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authorArend van Spriel <arend@broadcom.com>2011-10-05 13:19:03 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-10-11 15:55:30 -0400
commit5b435de0d786869c95d1962121af0d7df2542009 (patch)
tree9b7cfbc4aa9f1ec0e719e3a0c677bd9f4e56540d /drivers/net/wireless/brcm80211/brcmfmac
parent5f68a2b0a890d086e40fc7b55f4a0c32c28bc0d2 (diff)
downloadlinux-5b435de0d786869c95d1962121af0d7df2542009.tar.gz
net: wireless: add brcm80211 drivers
Add the brcm80211 tree to drivers/net/wireless, and disable the version that's in drivers/staging. This version includes the sources currently in staging, plus any changes that have been sent out for review. Sources in staging will be deleted in a followup patch. Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/Makefile33
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/bcmchip.h32
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c371
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c625
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd.h773
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h57
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c498
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c872
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h58
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c1354
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_proto.h60
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c4581
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h252
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c3730
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h375
15 files changed, 13671 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/Makefile b/drivers/net/wireless/brcm80211/brcmfmac/Makefile
new file mode 100644
index 000000000000..b44e3094588a
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/Makefile
@@ -0,0 +1,33 @@
+#
+# Makefile fragment for Broadcom 802.11n Networking Device Driver
+#
+# Copyright (c) 2010 Broadcom Corporation
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+# OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+ccflags-y += \
+ -Idrivers/net/wireless/brcm80211/brcmfmac \
+ -Idrivers/net/wireless/brcm80211/include
+
+DHDOFILES = \
+ wl_cfg80211.o \
+ dhd_cdc.o \
+ dhd_common.o \
+ dhd_sdio.o \
+ dhd_linux.o \
+ bcmsdh.o \
+ bcmsdh_sdmmc.o
+
+obj-$(CONFIG_BRCMFMAC) += brcmfmac.o
+brcmfmac-objs += $(DHDOFILES)
+ccflags-y += -D__CHECK_ENDIAN__
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmchip.h b/drivers/net/wireless/brcm80211/brcmfmac/bcmchip.h
new file mode 100644
index 000000000000..d7d3afd5a10f
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmchip.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2011 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _bcmchip_h_
+#define _bcmchip_h_
+
+/* bcm4329 */
+/* SDIO device core, ID 0x829 */
+#define BCM4329_CORE_BUS_BASE 0x18011000
+/* internal memory core, ID 0x80e */
+#define BCM4329_CORE_SOCRAM_BASE 0x18003000
+/* ARM Cortex M3 core, ID 0x82a */
+#define BCM4329_CORE_ARM_BASE 0x18002000
+#define BCM4329_RAMSIZE 0x48000
+/* firmware name */
+#define BCM4329_FW_NAME "brcm/bcm4329-fullmac-4.bin"
+#define BCM4329_NV_NAME "brcm/bcm4329-fullmac-4.txt"
+
+#endif /* _bcmchip_h_ */
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
new file mode 100644
index 000000000000..bff9dcd6fadc
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
@@ -0,0 +1,371 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+/* ****************** SDIO CARD Interface Functions **************************/
+
+#include <linux/types.h>
+#include <linux/netdevice.h>
+#include <linux/pci.h>
+#include <linux/pci_ids.h>
+#include <linux/sched.h>
+#include <linux/completion.h>
+#include <linux/mmc/sdio.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/card.h>
+
+#include <defs.h>
+#include <brcm_hw_ids.h>
+#include <brcmu_utils.h>
+#include <brcmu_wifi.h>
+#include <soc.h>
+#include "dhd.h"
+#include "dhd_bus.h"
+#include "dhd_dbg.h"
+#include "sdio_host.h"
+
+#define SDIOH_API_ACCESS_RETRY_LIMIT 2
+
+static void brcmf_sdioh_irqhandler(struct sdio_func *func)
+{
+ struct brcmf_sdio_dev *sdiodev = dev_get_drvdata(&func->card->dev);
+
+ brcmf_dbg(TRACE, "***IRQHandler\n");
+
+ sdio_release_host(func);
+
+ brcmf_sdbrcm_isr(sdiodev->bus);
+
+ sdio_claim_host(func);
+}
+
+int brcmf_sdcard_intr_reg(struct brcmf_sdio_dev *sdiodev)
+{
+ brcmf_dbg(TRACE, "Entering\n");
+
+ sdio_claim_host(sdiodev->func[1]);
+ sdio_claim_irq(sdiodev->func[1], brcmf_sdioh_irqhandler);
+ sdio_release_host(sdiodev->func[1]);
+
+ return 0;
+}
+
+int brcmf_sdcard_intr_dereg(struct brcmf_sdio_dev *sdiodev)
+{
+ brcmf_dbg(TRACE, "Entering\n");
+
+ sdio_claim_host(sdiodev->func[1]);
+ sdio_release_irq(sdiodev->func[1]);
+ sdio_release_host(sdiodev->func[1]);
+
+ return 0;
+}
+
+u8 brcmf_sdcard_cfg_read(struct brcmf_sdio_dev *sdiodev, uint fnc_num, u32 addr,
+ int *err)
+{
+ int status;
+ s32 retry = 0;
+ u8 data = 0;
+
+ do {
+ if (retry) /* wait for 1 ms till bus get settled down */
+ udelay(1000);
+ status = brcmf_sdioh_request_byte(sdiodev, SDIOH_READ, fnc_num,
+ addr, (u8 *) &data);
+ } while (status != 0
+ && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
+ if (err)
+ *err = status;
+
+ brcmf_dbg(INFO, "fun = %d, addr = 0x%x, u8data = 0x%x\n",
+ fnc_num, addr, data);
+
+ return data;
+}
+
+void
+brcmf_sdcard_cfg_write(struct brcmf_sdio_dev *sdiodev, uint fnc_num, u32 addr,
+ u8 data, int *err)
+{
+ int status;
+ s32 retry = 0;
+
+ do {
+ if (retry) /* wait for 1 ms till bus get settled down */
+ udelay(1000);
+ status = brcmf_sdioh_request_byte(sdiodev, SDIOH_WRITE, fnc_num,
+ addr, (u8 *) &data);
+ } while (status != 0
+ && (retry++ < SDIOH_API_ACCESS_RETRY_LIMIT));
+ if (err)
+ *err = status;
+
+ brcmf_dbg(INFO, "fun = %d, addr = 0x%x, u8data = 0x%x\n",
+ fnc_num, addr, data);
+}
+
+int
+brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address)
+{
+ int err = 0;
+ brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW,
+ (address >> 8) & SBSDIO_SBADDRLOW_MASK, &err);
+ if (!err)
+ brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_SBADDRMID,
+ (address >> 16) & SBSDIO_SBADDRMID_MASK,
+ &err);
+ if (!err)
+ brcmf_sdcard_cfg_write(sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_SBADDRHIGH,
+ (address >> 24) & SBSDIO_SBADDRHIGH_MASK,
+ &err);
+
+ return err;
+}
+
+u32 brcmf_sdcard_reg_read(struct brcmf_sdio_dev *sdiodev, u32 addr, uint size)
+{
+ int status;
+ u32 word = 0;
+ uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
+
+ brcmf_dbg(INFO, "fun = 1, addr = 0x%x\n", addr);
+
+ if (bar0 != sdiodev->sbwad) {
+ if (brcmf_sdcard_set_sbaddr_window(sdiodev, bar0))
+ return 0xFFFFFFFF;
+
+ sdiodev->sbwad = bar0;
+ }
+
+ addr &= SBSDIO_SB_OFT_ADDR_MASK;
+ if (size == 4)
+ addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+
+ status = brcmf_sdioh_request_word(sdiodev, SDIOH_READ, SDIO_FUNC_1,
+ addr, &word, size);
+
+ sdiodev->regfail = (status != 0);
+
+ brcmf_dbg(INFO, "u32data = 0x%x\n", word);
+
+ /* if ok, return appropriately masked word */
+ if (status == 0) {
+ switch (size) {
+ case sizeof(u8):
+ return word & 0xff;
+ case sizeof(u16):
+ return word & 0xffff;
+ case sizeof(u32):
+ return word;
+ default:
+ sdiodev->regfail = true;
+
+ }
+ }
+
+ /* otherwise, bad sdio access or invalid size */
+ brcmf_dbg(ERROR, "error reading addr 0x%04x size %d\n", addr, size);
+ return 0xFFFFFFFF;
+}
+
+u32 brcmf_sdcard_reg_write(struct brcmf_sdio_dev *sdiodev, u32 addr, uint size,
+ u32 data)
+{
+ int status;
+ uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
+ int err = 0;
+
+ brcmf_dbg(INFO, "fun = 1, addr = 0x%x, uint%ddata = 0x%x\n",
+ addr, size * 8, data);
+
+ if (bar0 != sdiodev->sbwad) {
+ err = brcmf_sdcard_set_sbaddr_window(sdiodev, bar0);
+ if (err)
+ return err;
+
+ sdiodev->sbwad = bar0;
+ }
+
+ addr &= SBSDIO_SB_OFT_ADDR_MASK;
+ if (size == 4)
+ addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+ status =
+ brcmf_sdioh_request_word(sdiodev, SDIOH_WRITE, SDIO_FUNC_1,
+ addr, &data, size);
+ sdiodev->regfail = (status != 0);
+
+ if (status == 0)
+ return 0;
+
+ brcmf_dbg(ERROR, "error writing 0x%08x to addr 0x%04x size %d\n",
+ data, addr, size);
+ return 0xFFFFFFFF;
+}
+
+bool brcmf_sdcard_regfail(struct brcmf_sdio_dev *sdiodev)
+{
+ return sdiodev->regfail;
+}
+
+int
+brcmf_sdcard_recv_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
+ uint flags,
+ u8 *buf, uint nbytes, struct sk_buff *pkt)
+{
+ int status;
+ uint incr_fix;
+ uint width;
+ uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
+ int err = 0;
+
+ brcmf_dbg(INFO, "fun = %d, addr = 0x%x, size = %d\n", fn, addr, nbytes);
+
+ /* Async not implemented yet */
+ if (flags & SDIO_REQ_ASYNC)
+ return -ENOTSUPP;
+
+ if (bar0 != sdiodev->sbwad) {
+ err = brcmf_sdcard_set_sbaddr_window(sdiodev, bar0);
+ if (err)
+ return err;
+
+ sdiodev->sbwad = bar0;
+ }
+
+ addr &= SBSDIO_SB_OFT_ADDR_MASK;
+
+ incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
+ width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
+ if (width == 4)
+ addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+
+ status = brcmf_sdioh_request_buffer(sdiodev, incr_fix, SDIOH_READ,
+ fn, addr, width, nbytes, buf, pkt);
+
+ return status;
+}
+
+int
+brcmf_sdcard_send_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
+ uint flags, u8 *buf, uint nbytes, struct sk_buff *pkt)
+{
+ uint incr_fix;
+ uint width;
+ uint bar0 = addr & ~SBSDIO_SB_OFT_ADDR_MASK;
+ int err = 0;
+
+ brcmf_dbg(INFO, "fun = %d, addr = 0x%x, size = %d\n", fn, addr, nbytes);
+
+ /* Async not implemented yet */
+ if (flags & SDIO_REQ_ASYNC)
+ return -ENOTSUPP;
+
+ if (bar0 != sdiodev->sbwad) {
+ err = brcmf_sdcard_set_sbaddr_window(sdiodev, bar0);
+ if (err)
+ return err;
+
+ sdiodev->sbwad = bar0;
+ }
+
+ addr &= SBSDIO_SB_OFT_ADDR_MASK;
+
+ incr_fix = (flags & SDIO_REQ_FIXED) ? SDIOH_DATA_FIX : SDIOH_DATA_INC;
+ width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
+ if (width == 4)
+ addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+
+ return brcmf_sdioh_request_buffer(sdiodev, incr_fix, SDIOH_WRITE, fn,
+ addr, width, nbytes, buf, pkt);
+}
+
+int brcmf_sdcard_rwdata(struct brcmf_sdio_dev *sdiodev, uint rw, u32 addr,
+ u8 *buf, uint nbytes)
+{
+ addr &= SBSDIO_SB_OFT_ADDR_MASK;
+ addr |= SBSDIO_SB_ACCESS_2_4B_FLAG;
+
+ return brcmf_sdioh_request_buffer(sdiodev, SDIOH_DATA_INC,
+ (rw ? SDIOH_WRITE : SDIOH_READ), SDIO_FUNC_1,
+ addr, 4, nbytes, buf, NULL);
+}
+
+int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn)
+{
+ char t_func = (char)fn;
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* issue abort cmd52 command through F0 */
+ brcmf_sdioh_request_byte(sdiodev, SDIOH_WRITE, SDIO_FUNC_0,
+ SDIO_CCCR_ABORT, &t_func);
+
+ brcmf_dbg(TRACE, "Exit\n");
+ return 0;
+}
+
+int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
+{
+ u32 regs = 0;
+ int ret = 0;
+
+ ret = brcmf_sdioh_attach(sdiodev);
+ if (ret)
+ goto out;
+
+ regs = SI_ENUM_BASE;
+
+ /* Report the BAR, to fix if needed */
+ sdiodev->sbwad = SI_ENUM_BASE;
+
+ /* try to attach to the target device */
+ sdiodev->bus = brcmf_sdbrcm_probe(0, 0, 0, 0, regs, sdiodev);
+ if (!sdiodev->bus) {
+ brcmf_dbg(ERROR, "device attach failed\n");
+ ret = -ENODEV;
+ goto out;
+ }
+
+out:
+ if (ret)
+ brcmf_sdio_remove(sdiodev);
+
+ return ret;
+}
+EXPORT_SYMBOL(brcmf_sdio_probe);
+
+int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev)
+{
+ if (sdiodev->bus) {
+ brcmf_sdbrcm_disconnect(sdiodev->bus);
+ sdiodev->bus = NULL;
+ }
+
+ brcmf_sdioh_detach(sdiodev);
+
+ sdiodev->sbwad = 0;
+
+ return 0;
+}
+EXPORT_SYMBOL(brcmf_sdio_remove);
+
+void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev, bool enable)
+{
+ if (enable)
+ brcmf_sdbrcm_wd_timer(sdiodev->bus, BRCMF_WD_POLL_MS);
+ else
+ brcmf_sdbrcm_wd_timer(sdiodev->bus, 0);
+}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
new file mode 100644
index 000000000000..e919de210f70
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
@@ -0,0 +1,625 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <linux/types.h>
+#include <linux/netdevice.h>
+#include <linux/mmc/sdio.h>
+#include <linux/mmc/core.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/mmc/card.h>
+#include <linux/suspend.h>
+#include <linux/errno.h>
+#include <linux/sched.h> /* request_irq() */
+#include <net/cfg80211.h>
+
+#include <defs.h>
+#include <brcm_hw_ids.h>
+#include <brcmu_utils.h>
+#include <brcmu_wifi.h>
+#include "sdio_host.h"
+#include "dhd.h"
+#include "dhd_dbg.h"
+#include "wl_cfg80211.h"
+
+#define SDIO_VENDOR_ID_BROADCOM 0x02d0
+
+#define DMA_ALIGN_MASK 0x03
+
+#define SDIO_DEVICE_ID_BROADCOM_4329 0x4329
+
+#define SDIO_FUNC1_BLOCKSIZE 64
+#define SDIO_FUNC2_BLOCKSIZE 512
+
+/* devices we support, null terminated */
+static const struct sdio_device_id brcmf_sdmmc_ids[] = {
+ {SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4329)},
+ { /* end: all zeroes */ },
+};
+MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
+
+static bool
+brcmf_pm_resume_error(struct brcmf_sdio_dev *sdiodev)
+{
+ bool is_err = false;
+#ifdef CONFIG_PM_SLEEP
+ is_err = atomic_read(&sdiodev->suspend);
+#endif
+ return is_err;
+}
+
+static void
+brcmf_pm_resume_wait(struct brcmf_sdio_dev *sdiodev, wait_queue_head_t *wq)
+{
+#ifdef CONFIG_PM_SLEEP
+ int retry = 0;
+ while (atomic_read(&sdiodev->suspend) && retry++ != 30)
+ wait_event_timeout(*wq, false, HZ/100);
+#endif
+}
+
+static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev,
+ uint regaddr, u8 *byte)
+{
+ struct sdio_func *sdfunc = sdiodev->func[0];
+ int err_ret;
+
+ /*
+ * Can only directly write to some F0 registers.
+ * Handle F2 enable/disable and Abort command
+ * as a special case.
+ */
+ if (regaddr == SDIO_CCCR_IOEx) {
+ sdfunc = sdiodev->func[2];
+ if (sdfunc) {
+ sdio_claim_host(sdfunc);
+ if (*byte & SDIO_FUNC_ENABLE_2) {
+ /* Enable Function 2 */
+ err_ret = sdio_enable_func(sdfunc);
+ if (err_ret)
+ brcmf_dbg(ERROR,
+ "enable F2 failed:%d\n",
+ err_ret);
+ } else {
+ /* Disable Function 2 */
+ err_ret = sdio_disable_func(sdfunc);
+ if (err_ret)
+ brcmf_dbg(ERROR,
+ "Disable F2 failed:%d\n",
+ err_ret);
+ }
+ sdio_release_host(sdfunc);
+ }
+ } else if (regaddr == SDIO_CCCR_ABORT) {
+ sdio_claim_host(sdfunc);
+ sdio_writeb(sdfunc, *byte, regaddr, &err_ret);
+ sdio_release_host(sdfunc);
+ } else if (regaddr < 0xF0) {
+ brcmf_dbg(ERROR, "F0 Wr:0x%02x: write disallowed\n", regaddr);
+ err_ret = -EPERM;
+ } else {
+ sdio_claim_host(sdfunc);
+ sdio_f0_writeb(sdfunc, *byte, regaddr, &err_ret);
+ sdio_release_host(sdfunc);
+ }
+
+ return err_ret;
+}
+
+int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, uint func,
+ uint regaddr, u8 *byte)
+{
+ int err_ret;
+
+ brcmf_dbg(INFO, "rw=%d, func=%d, addr=0x%05x\n", rw, func, regaddr);
+
+ brcmf_pm_resume_wait(sdiodev, &sdiodev->request_byte_wait);
+ if (brcmf_pm_resume_error(sdiodev))
+ return -EIO;
+
+ if (rw && func == 0) {
+ /* handle F0 separately */
+ err_ret = brcmf_sdioh_f0_write_byte(sdiodev, regaddr, byte);
+ } else {
+ sdio_claim_host(sdiodev->func[func]);
+ if (rw) /* CMD52 Write */
+ sdio_writeb(sdiodev->func[func], *byte, regaddr,
+ &err_ret);
+ else if (func == 0) {
+ *byte = sdio_f0_readb(sdiodev->func[func], regaddr,
+ &err_ret);
+ } else {
+ *byte = sdio_readb(sdiodev->func[func], regaddr,
+ &err_ret);
+ }
+ sdio_release_host(sdiodev->func[func]);
+ }
+
+ if (err_ret)
+ brcmf_dbg(ERROR, "Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
+ rw ? "write" : "read", func, regaddr, *byte, err_ret);
+
+ return err_ret;
+}
+
+int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev,
+ uint rw, uint func, uint addr, u32 *word,
+ uint nbytes)
+{
+ int err_ret = -EIO;
+
+ if (func == 0) {
+ brcmf_dbg(ERROR, "Only CMD52 allowed to F0\n");
+ return -EINVAL;
+ }
+
+ brcmf_dbg(INFO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n",
+ rw, func, addr, nbytes);
+
+ brcmf_pm_resume_wait(sdiodev, &sdiodev->request_word_wait);
+ if (brcmf_pm_resume_error(sdiodev))
+ return -EIO;
+ /* Claim host controller */
+ sdio_claim_host(sdiodev->func[func]);
+
+ if (rw) { /* CMD52 Write */
+ if (nbytes == 4)
+ sdio_writel(sdiodev->func[func], *word, addr,
+ &err_ret);
+ else if (nbytes == 2)
+ sdio_writew(sdiodev->func[func], (*word & 0xFFFF),
+ addr, &err_ret);
+ else
+ brcmf_dbg(ERROR, "Invalid nbytes: %d\n", nbytes);
+ } else { /* CMD52 Read */
+ if (nbytes == 4)
+ *word = sdio_readl(sdiodev->func[func], addr, &err_ret);
+ else if (nbytes == 2)
+ *word = sdio_readw(sdiodev->func[func], addr,
+ &err_ret) & 0xFFFF;
+ else
+ brcmf_dbg(ERROR, "Invalid nbytes: %d\n", nbytes);
+ }
+
+ /* Release host controller */
+ sdio_release_host(sdiodev->func[func]);
+
+ if (err_ret)
+ brcmf_dbg(ERROR, "Failed to %s word, Err: 0x%08x\n",
+ rw ? "write" : "read", err_ret);
+
+ return err_ret;
+}
+
+static int
+brcmf_sdioh_request_packet(struct brcmf_sdio_dev *sdiodev, uint fix_inc,
+ uint write, uint func, uint addr,
+ struct sk_buff *pkt)
+{
+ bool fifo = (fix_inc == SDIOH_DATA_FIX);
+ u32 SGCount = 0;
+ int err_ret = 0;
+
+ struct sk_buff *pnext;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ brcmf_pm_resume_wait(sdiodev, &sdiodev->request_packet_wait);
+ if (brcmf_pm_resume_error(sdiodev))
+ return -EIO;
+
+ /* Claim host controller */
+ sdio_claim_host(sdiodev->func[func]);
+ for (pnext = pkt; pnext; pnext = pnext->next) {
+ uint pkt_len = pnext->len;
+ pkt_len += 3;
+ pkt_len &= 0xFFFFFFFC;
+
+ if ((write) && (!fifo)) {
+ err_ret = sdio_memcpy_toio(sdiodev->func[func], addr,
+ ((u8 *) (pnext->data)),
+ pkt_len);
+ } else if (write) {
+ err_ret = sdio_memcpy_toio(sdiodev->func[func], addr,
+ ((u8 *) (pnext->data)),
+ pkt_len);
+ } else if (fifo) {
+ err_ret = sdio_readsb(sdiodev->func[func],
+ ((u8 *) (pnext->data)),
+ addr, pkt_len);
+ } else {
+ err_ret = sdio_memcpy_fromio(sdiodev->func[func],
+ ((u8 *) (pnext->data)),
+ addr, pkt_len);
+ }
+
+ if (err_ret) {
+ brcmf_dbg(ERROR, "%s FAILED %p[%d], addr=0x%05x, pkt_len=%d, ERR=0x%08x\n",
+ write ? "TX" : "RX", pnext, SGCount, addr,
+ pkt_len, err_ret);
+ } else {
+ brcmf_dbg(TRACE, "%s xfr'd %p[%d], addr=0x%05x, len=%d\n",
+ write ? "TX" : "RX", pnext, SGCount, addr,
+ pkt_len);
+ }
+
+ if (!fifo)
+ addr += pkt_len;
+ SGCount++;
+
+ }
+
+ /* Release host controller */
+ sdio_release_host(sdiodev->func[func]);
+
+ brcmf_dbg(TRACE, "Exit\n");
+ return err_ret;
+}
+
+/*
+ * This function takes a buffer or packet, and fixes everything up
+ * so that in the end, a DMA-able packet is created.
+ *
+ * A buffer does not have an associated packet pointer,
+ * and may or may not be aligned.
+ * A packet may consist of a single packet, or a packet chain.
+ * If it is a packet chain, then all the packets in the chain
+ * must be properly aligned.
+ *
+ * If the packet data is not aligned, then there may only be
+ * one packet, and in this case, it is copied to a new
+ * aligned packet.
+ *
+ */
+int brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev,
+ uint fix_inc, uint write, uint func, uint addr,
+ uint reg_width, uint buflen_u, u8 *buffer,
+ struct sk_buff *pkt)
+{
+ int Status;
+ struct sk_buff *mypkt = NULL;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ brcmf_pm_resume_wait(sdiodev, &sdiodev->request_buffer_wait);
+ if (brcmf_pm_resume_error(sdiodev))
+ return -EIO;
+ /* Case 1: we don't have a packet. */
+ if (pkt == NULL) {
+ brcmf_dbg(DATA, "Creating new %s Packet, len=%d\n",
+ write ? "TX" : "RX", buflen_u);
+ mypkt = brcmu_pkt_buf_get_skb(buflen_u);
+ if (!mypkt) {
+ brcmf_dbg(ERROR, "brcmu_pkt_buf_get_skb failed: len %d\n",
+ buflen_u);
+ return -EIO;
+ }
+
+ /* For a write, copy the buffer data into the packet. */
+ if (write)
+ memcpy(mypkt->data, buffer, buflen_u);
+
+ Status = brcmf_sdioh_request_packet(sdiodev, fix_inc, write,
+ func, addr, mypkt);
+
+ /* For a read, copy the packet data back to the buffer. */
+ if (!write)
+ memcpy(buffer, mypkt->data, buflen_u);
+
+ brcmu_pkt_buf_free_skb(mypkt);
+ } else if (((ulong) (pkt->data) & DMA_ALIGN_MASK) != 0) {
+ /*
+ * Case 2: We have a packet, but it is unaligned.
+ * In this case, we cannot have a chain (pkt->next == NULL)
+ */
+ brcmf_dbg(DATA, "Creating aligned %s Packet, len=%d\n",
+ write ? "TX" : "RX", pkt->len);
+ mypkt = brcmu_pkt_buf_get_skb(pkt->len);
+ if (!mypkt) {
+ brcmf_dbg(ERROR, "brcmu_pkt_buf_get_skb failed: len %d\n",
+ pkt->len);
+ return -EIO;
+ }
+
+ /* For a write, copy the buffer data into the packet. */
+ if (write)
+ memcpy(mypkt->data, pkt->data, pkt->len);
+
+ Status = brcmf_sdioh_request_packet(sdiodev, fix_inc, write,
+ func, addr, mypkt);
+
+ /* For a read, copy the packet data back to the buffer. */
+ if (!write)
+ memcpy(pkt->data, mypkt->data, mypkt->len);
+
+ brcmu_pkt_buf_free_skb(mypkt);
+ } else { /* case 3: We have a packet and
+ it is aligned. */
+ brcmf_dbg(DATA, "Aligned %s Packet, direct DMA\n",
+ write ? "Tx" : "Rx");
+ Status = brcmf_sdioh_request_packet(sdiodev, fix_inc, write,
+ func, addr, pkt);
+ }
+
+ return Status;
+}
+
+/* Read client card reg */
+static int
+brcmf_sdioh_card_regread(struct brcmf_sdio_dev *sdiodev, int func, u32 regaddr,
+ int regsize, u32 *data)
+{
+
+ if ((func == 0) || (regsize == 1)) {
+ u8 temp = 0;
+
+ brcmf_sdioh_request_byte(sdiodev, SDIOH_READ, func, regaddr,
+ &temp);
+ *data = temp;
+ *data &= 0xff;
+ brcmf_dbg(DATA, "byte read data=0x%02x\n", *data);
+ } else {
+ brcmf_sdioh_request_word(sdiodev, SDIOH_READ, func, regaddr,
+ data, regsize);
+ if (regsize == 2)
+ *data &= 0xffff;
+
+ brcmf_dbg(DATA, "word read data=0x%08x\n", *data);
+ }
+
+ return SUCCESS;
+}
+
+static int brcmf_sdioh_get_cisaddr(struct brcmf_sdio_dev *sdiodev, u32 regaddr)
+{
+ /* read 24 bits and return valid 17 bit addr */
+ int i;
+ u32 scratch, regdata;
+ __le32 scratch_le;
+ u8 *ptr = (u8 *)&scratch_le;
+
+ for (i = 0; i < 3; i++) {
+ if ((brcmf_sdioh_card_regread(sdiodev, 0, regaddr, 1,
+ &regdata)) != SUCCESS)
+ brcmf_dbg(ERROR, "Can't read!\n");
+
+ *ptr++ = (u8) regdata;
+ regaddr++;
+ }
+
+ /* Only the lower 17-bits are valid */
+ scratch = le32_to_cpu(scratch_le);
+ scratch &= 0x0001FFFF;
+ return scratch;
+}
+
+static int brcmf_sdioh_enablefuncs(struct brcmf_sdio_dev *sdiodev)
+{
+ int err_ret;
+ u32 fbraddr;
+ u8 func;
+
+ brcmf_dbg(TRACE, "\n");
+
+ /* Get the Card's common CIS address */
+ sdiodev->func_cis_ptr[0] = brcmf_sdioh_get_cisaddr(sdiodev,
+ SDIO_CCCR_CIS);
+ brcmf_dbg(INFO, "Card's Common CIS Ptr = 0x%x\n",
+ sdiodev->func_cis_ptr[0]);
+
+ /* Get the Card's function CIS (for each function) */
+ for (fbraddr = SDIO_FBR_BASE(1), func = 1;
+ func <= sdiodev->num_funcs; func++, fbraddr += SDIOD_FBR_SIZE) {
+ sdiodev->func_cis_ptr[func] =
+ brcmf_sdioh_get_cisaddr(sdiodev, SDIO_FBR_CIS + fbraddr);
+ brcmf_dbg(INFO, "Function %d CIS Ptr = 0x%x\n",
+ func, sdiodev->func_cis_ptr[func]);
+ }
+
+ /* Enable Function 1 */
+ sdio_claim_host(sdiodev->func[1]);
+ err_ret = sdio_enable_func(sdiodev->func[1]);
+ sdio_release_host(sdiodev->func[1]);
+ if (err_ret)
+ brcmf_dbg(ERROR, "Failed to enable F1 Err: 0x%08x\n", err_ret);
+
+ return false;
+}
+
+/*
+ * Public entry points & extern's
+ */
+int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev)
+{
+ int err_ret = 0;
+
+ brcmf_dbg(TRACE, "\n");
+
+ sdiodev->num_funcs = 2;
+
+ sdio_claim_host(sdiodev->func[1]);
+ err_ret = sdio_set_block_size(sdiodev->func[1], SDIO_FUNC1_BLOCKSIZE);
+ sdio_release_host(sdiodev->func[1]);
+ if (err_ret) {
+ brcmf_dbg(ERROR, "Failed to set F1 blocksize\n");
+ goto out;
+ }
+
+ sdio_claim_host(sdiodev->func[2]);
+ err_ret = sdio_set_block_size(sdiodev->func[2], SDIO_FUNC2_BLOCKSIZE);
+ sdio_release_host(sdiodev->func[2]);
+ if (err_ret) {
+ brcmf_dbg(ERROR, "Failed to set F2 blocksize\n");
+ goto out;
+ }
+
+ brcmf_sdioh_enablefuncs(sdiodev);
+
+out:
+ brcmf_dbg(TRACE, "Done\n");
+ return err_ret;
+}
+
+void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev)
+{
+ brcmf_dbg(TRACE, "\n");
+
+ /* Disable Function 2 */
+ sdio_claim_host(sdiodev->func[2]);
+ sdio_disable_func(sdiodev->func[2]);
+ sdio_release_host(sdiodev->func[2]);
+
+ /* Disable Function 1 */
+ sdio_claim_host(sdiodev->func[1]);
+ sdio_disable_func(sdiodev->func[1]);
+ sdio_release_host(sdiodev->func[1]);
+
+}
+
+static int brcmf_ops_sdio_probe(struct sdio_func *func,
+ const struct sdio_device_id *id)
+{
+ int ret = 0;
+ struct brcmf_sdio_dev *sdiodev;
+ brcmf_dbg(TRACE, "Enter\n");
+ brcmf_dbg(TRACE, "func->class=%x\n", func->class);
+ brcmf_dbg(TRACE, "sdio_vendor: 0x%04x\n", func->vendor);
+ brcmf_dbg(TRACE, "sdio_device: 0x%04x\n", func->device);
+ brcmf_dbg(TRACE, "Function#: 0x%04x\n", func->num);
+
+ if (func->num == 1) {
+ if (dev_get_drvdata(&func->card->dev)) {
+ brcmf_dbg(ERROR, "card private drvdata occupied\n");
+ return -ENXIO;
+ }
+ sdiodev = kzalloc(sizeof(struct brcmf_sdio_dev), GFP_KERNEL);
+ if (!sdiodev)
+ return -ENOMEM;
+ sdiodev->func[0] = func->card->sdio_func[0];
+ sdiodev->func[1] = func;
+ dev_set_drvdata(&func->card->dev, sdiodev);
+
+ atomic_set(&sdiodev->suspend, false);
+ init_waitqueue_head(&sdiodev->request_byte_wait);
+ init_waitqueue_head(&sdiodev->request_word_wait);
+ init_waitqueue_head(&sdiodev->request_packet_wait);
+ init_waitqueue_head(&sdiodev->request_buffer_wait);
+ }
+
+ if (func->num == 2) {
+ sdiodev = dev_get_drvdata(&func->card->dev);
+ if ((!sdiodev) || (sdiodev->func[1]->card != func->card))
+ return -ENODEV;
+ sdiodev->func[2] = func;
+
+ brcmf_dbg(TRACE, "F2 found, calling brcmf_sdio_probe...\n");
+ ret = brcmf_sdio_probe(sdiodev);
+ }
+
+ return ret;
+}
+
+static void brcmf_ops_sdio_remove(struct sdio_func *func)
+{
+ struct brcmf_sdio_dev *sdiodev;
+ brcmf_dbg(TRACE, "Enter\n");
+ brcmf_dbg(INFO, "func->class=%x\n", func->class);
+ brcmf_dbg(INFO, "sdio_vendor: 0x%04x\n", func->vendor);
+ brcmf_dbg(INFO, "sdio_device: 0x%04x\n", func->device);
+ brcmf_dbg(INFO, "Function#: 0x%04x\n", func->num);
+
+ if (func->num == 2) {
+ sdiodev = dev_get_drvdata(&func->card->dev);
+ brcmf_dbg(TRACE, "F2 found, calling brcmf_sdio_remove...\n");
+ brcmf_sdio_remove(sdiodev);
+ dev_set_drvdata(&func->card->dev, NULL);
+ kfree(sdiodev);
+ }
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int brcmf_sdio_suspend(struct device *dev)
+{
+ mmc_pm_flag_t sdio_flags;
+ struct brcmf_sdio_dev *sdiodev;
+ struct sdio_func *func = dev_to_sdio_func(dev);
+ int ret = 0;
+
+ brcmf_dbg(TRACE, "\n");
+
+ sdiodev = dev_get_drvdata(&func->card->dev);
+
+ atomic_set(&sdiodev->suspend, true);
+
+ sdio_flags = sdio_get_host_pm_caps(sdiodev->func[1]);
+ if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
+ brcmf_dbg(ERROR, "Host can't keep power while suspended\n");
+ return -EINVAL;
+ }
+
+ ret = sdio_set_host_pm_flags(sdiodev->func[1], MMC_PM_KEEP_POWER);
+ if (ret) {
+ brcmf_dbg(ERROR, "Failed to set pm_flags\n");
+ return ret;
+ }
+
+ brcmf_sdio_wdtmr_enable(sdiodev, false);
+
+ return ret;
+}
+
+static int brcmf_sdio_resume(struct device *dev)
+{
+ struct brcmf_sdio_dev *sdiodev;
+ struct sdio_func *func = dev_to_sdio_func(dev);
+
+ sdiodev = dev_get_drvdata(&func->card->dev);
+ brcmf_sdio_wdtmr_enable(sdiodev, true);
+ atomic_set(&sdiodev->suspend, false);
+ return 0;
+}
+
+static const struct dev_pm_ops brcmf_sdio_pm_ops = {
+ .suspend = brcmf_sdio_suspend,
+ .resume = brcmf_sdio_resume,
+};
+#endif /* CONFIG_PM_SLEEP */
+
+static struct sdio_driver brcmf_sdmmc_driver = {
+ .probe = brcmf_ops_sdio_probe,
+ .remove = brcmf_ops_sdio_remove,
+ .name = "brcmfmac",
+ .id_table = brcmf_sdmmc_ids,
+#ifdef CONFIG_PM_SLEEP
+ .drv = {
+ .pm = &brcmf_sdio_pm_ops,
+ },
+#endif /* CONFIG_PM_SLEEP */
+};
+
+/* bus register interface */
+int brcmf_bus_register(void)
+{
+ brcmf_dbg(TRACE, "Enter\n");
+
+ return sdio_register_driver(&brcmf_sdmmc_driver);
+}
+
+void brcmf_bus_unregister(void)
+{
+ brcmf_dbg(TRACE, "Enter\n");
+
+ sdio_unregister_driver(&brcmf_sdmmc_driver);
+}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
new file mode 100644
index 000000000000..3ec74778b2e3
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h
@@ -0,0 +1,773 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/****************
+ * Common types *
+ */
+
+#ifndef _BRCMF_H_
+#define _BRCMF_H_
+
+#define BRCMF_VERSION_STR "4.218.248.5"
+
+/*******************************************************************************
+ * IO codes that are interpreted by dongle firmware
+ ******************************************************************************/
+#define BRCMF_C_UP 2
+#define BRCMF_C_SET_PROMISC 10
+#define BRCMF_C_GET_RATE 12
+#define BRCMF_C_GET_INFRA 19
+#define BRCMF_C_SET_INFRA 20
+#define BRCMF_C_GET_AUTH 21
+#define BRCMF_C_SET_AUTH 22
+#define BRCMF_C_GET_BSSID 23
+#define BRCMF_C_GET_SSID 25
+#define BRCMF_C_SET_SSID 26
+#define BRCMF_C_GET_CHANNEL 29
+#define BRCMF_C_GET_SRL 31
+#define BRCMF_C_GET_LRL 33
+#define BRCMF_C_GET_RADIO 37
+#define BRCMF_C_SET_RADIO 38
+#define BRCMF_C_GET_PHYTYPE 39
+#define BRCMF_C_SET_KEY 45
+#define BRCMF_C_SET_PASSIVE_SCAN 49
+#define BRCMF_C_SCAN 50
+#define BRCMF_C_SCAN_RESULTS 51
+#define BRCMF_C_DISASSOC 52
+#define BRCMF_C_REASSOC 53
+#define BRCMF_C_SET_ROAM_TRIGGER 55
+#define BRCMF_C_SET_ROAM_DELTA 57
+#define BRCMF_C_GET_DTIMPRD 77
+#define BRCMF_C_SET_COUNTRY 84
+#define BRCMF_C_GET_PM 85
+#define BRCMF_C_SET_PM 86
+#define BRCMF_C_GET_AP 117
+#define BRCMF_C_SET_AP 118
+#define BRCMF_C_GET_RSSI 127
+#define BRCMF_C_GET_WSEC 133
+#define BRCMF_C_SET_WSEC 134
+#define BRCMF_C_GET_PHY_NOISE 135
+#define BRCMF_C_GET_BSS_INFO 136
+#define BRCMF_C_SET_SCAN_CHANNEL_TIME 185
+#define BRCMF_C_SET_SCAN_UNASSOC_TIME 187
+#define BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON 201
+#define BRCMF_C_GET_VALID_CHANNELS 217
+#define BRCMF_C_GET_KEY_PRIMARY 235
+#define BRCMF_C_SET_KEY_PRIMARY 236
+#define BRCMF_C_SET_SCAN_PASSIVE_TIME 258
+#define BRCMF_C_GET_VAR 262
+#define BRCMF_C_SET_VAR 263
+
+/* phy types (returned by WLC_GET_PHYTPE) */
+#define WLC_PHY_TYPE_A 0
+#define WLC_PHY_TYPE_B 1
+#define WLC_PHY_TYPE_G 2
+#define WLC_PHY_TYPE_N 4
+#define WLC_PHY_TYPE_LP 5
+#define WLC_PHY_TYPE_SSN 6
+#define WLC_PHY_TYPE_HT 7
+#define WLC_PHY_TYPE_LCN 8
+#define WLC_PHY_TYPE_NULL 0xf
+
+#define BRCMF_EVENTING_MASK_LEN 16
+
+#define TOE_TX_CSUM_OL 0x00000001
+#define TOE_RX_CSUM_OL 0x00000002
+
+#define BRCMF_BSS_INFO_VERSION 108 /* current ver of brcmf_bss_info struct */
+
+/* size of brcmf_scan_params not including variable length array */
+#define BRCMF_SCAN_PARAMS_FIXED_SIZE 64
+
+/* masks for channel and ssid count */
+#define BRCMF_SCAN_PARAMS_COUNT_MASK 0x0000ffff
+#define BRCMF_SCAN_PARAMS_NSSID_SHIFT 16
+
+#define BRCMF_SCAN_ACTION_START 1
+#define BRCMF_SCAN_ACTION_CONTINUE 2
+#define WL_SCAN_ACTION_ABORT 3
+
+#define BRCMF_ISCAN_REQ_VERSION 1
+
+/* brcmf_iscan_results status values */
+#define BRCMF_SCAN_RESULTS_SUCCESS 0
+#define BRCMF_SCAN_RESULTS_PARTIAL 1
+#define BRCMF_SCAN_RESULTS_PENDING 2
+#define BRCMF_SCAN_RESULTS_ABORTED 3
+#define BRCMF_SCAN_RESULTS_NO_MEM 4
+
+/* Indicates this key is using soft encrypt */
+#define WL_SOFT_KEY (1 << 0)
+/* primary (ie tx) key */
+#define BRCMF_PRIMARY_KEY (1 << 1)
+/* Reserved for backward compat */
+#define WL_KF_RES_4 (1 << 4)
+/* Reserved for backward compat */
+#define WL_KF_RES_5 (1 << 5)
+/* Indicates a group key for a IBSS PEER */
+#define WL_IBSS_PEER_GROUP_KEY (1 << 6)
+
+/* For supporting multiple interfaces */
+#define BRCMF_MAX_IFS 16
+#define BRCMF_DEL_IF -0xe
+#define BRCMF_BAD_IF -0xf
+
+#define DOT11_BSSTYPE_ANY 2
+#define DOT11_MAX_DEFAULT_KEYS 4
+
+#define BRCMF_EVENT_MSG_LINK 0x01
+#define BRCMF_EVENT_MSG_FLUSHTXQ 0x02
+#define BRCMF_EVENT_MSG_GROUP 0x04
+
+struct brcmf_event_msg {
+ __be16 version;
+ __be16 flags;
+ __be32 event_type;
+ __be32 status;
+ __be32 reason;
+ __be32 auth_type;
+ __be32 datalen;
+ u8 addr[ETH_ALEN];
+ char ifname[IFNAMSIZ];
+} __packed;
+
+struct brcm_ethhdr {
+ u16 subtype;
+ u16 length;
+ u8 version;
+ u8 oui[3];
+ u16 usr_subtype;
+} __packed;
+
+struct brcmf_event {
+ struct ethhdr eth;
+ struct brcm_ethhdr hdr;
+ struct brcmf_event_msg msg;
+} __packed;
+
+struct dngl_stats {
+ unsigned long rx_packets; /* total packets received */
+ unsigned long tx_packets; /* total packets transmitted */
+ unsigned long rx_bytes; /* total bytes received */
+ unsigned long tx_bytes; /* total bytes transmitted */
+ unsigned long rx_errors; /* bad packets received */
+ unsigned long tx_errors; /* packet transmit problems */
+ unsigned long rx_dropped; /* packets dropped by dongle */
+ unsigned long tx_dropped; /* packets dropped by dongle */
+ unsigned long multicast; /* multicast packets received */
+};
+
+/* event codes sent by the dongle to this driver */
+#define BRCMF_E_SET_SSID 0
+#define BRCMF_E_JOIN 1
+#define BRCMF_E_START 2
+#define BRCMF_E_AUTH 3
+#define BRCMF_E_AUTH_IND 4
+#define BRCMF_E_DEAUTH 5
+#define BRCMF_E_DEAUTH_IND 6
+#define BRCMF_E_ASSOC 7
+#define BRCMF_E_ASSOC_IND 8
+#define BRCMF_E_REASSOC 9
+#define BRCMF_E_REASSOC_IND 10
+#define BRCMF_E_DISASSOC 11
+#define BRCMF_E_DISASSOC_IND 12
+#define BRCMF_E_QUIET_START 13
+#define BRCMF_E_QUIET_END 14
+#define BRCMF_E_BEACON_RX 15
+#define BRCMF_E_LINK 16
+#define BRCMF_E_MIC_ERROR 17
+#define BRCMF_E_NDIS_LINK 18
+#define BRCMF_E_ROAM 19
+#define BRCMF_E_TXFAIL 20
+#define BRCMF_E_PMKID_CACHE 21
+#define BRCMF_E_RETROGRADE_TSF 22
+#define BRCMF_E_PRUNE 23
+#define BRCMF_E_AUTOAUTH 24
+#define BRCMF_E_EAPOL_MSG 25
+#define BRCMF_E_SCAN_COMPLETE 26
+#define BRCMF_E_ADDTS_IND 27
+#define BRCMF_E_DELTS_IND 28
+#define BRCMF_E_BCNSENT_IND 29
+#define BRCMF_E_BCNRX_MSG 30
+#define BRCMF_E_BCNLOST_MSG 31
+#define BRCMF_E_ROAM_PREP 32
+#define BRCMF_E_PFN_NET_FOUND 33
+#define BRCMF_E_PFN_NET_LOST 34
+#define BRCMF_E_RESET_COMPLETE 35
+#define BRCMF_E_JOIN_START 36
+#define BRCMF_E_ROAM_START 37
+#define BRCMF_E_ASSOC_START 38
+#define BRCMF_E_IBSS_ASSOC 39
+#define BRCMF_E_RADIO 40
+#define BRCMF_E_PSM_WATCHDOG 41
+#define BRCMF_E_PROBREQ_MSG 44
+#define BRCMF_E_SCAN_CONFIRM_IND 45
+#define BRCMF_E_PSK_SUP 46
+#define BRCMF_E_COUNTRY_CODE_CHANGED 47
+#define BRCMF_E_EXCEEDED_MEDIUM_TIME 48
+#define BRCMF_E_ICV_ERROR 49
+#define BRCMF_E_UNICAST_DECODE_ERROR 50
+#define BRCMF_E_MULTICAST_DECODE_ERROR 51
+#define BRCMF_E_TRACE 52
+#define BRCMF_E_IF 54
+#define BRCMF_E_RSSI 56
+#define BRCMF_E_PFN_SCAN_COMPLETE 57
+#define BRCMF_E_EXTLOG_MSG 58
+#define BRCMF_E_ACTION_FRAME 59
+#define BRCMF_E_ACTION_FRAME_COMPLETE 60
+#define BRCMF_E_PRE_ASSOC_IND 61
+#define BRCMF_E_PRE_REASSOC_IND 62
+#define BRCMF_E_CHANNEL_ADOPTED 63
+#define BRCMF_E_AP_STARTED 64
+#define BRCMF_E_DFS_AP_STOP 65
+#define BRCMF_E_DFS_AP_RESUME 66
+#define BRCMF_E_RESERVED1 67
+#define BRCMF_E_RESERVED2 68
+#define BRCMF_E_ESCAN_RESULT 69
+#define BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE 70
+#define BRCMF_E_DCS_REQUEST 73
+
+#define BRCMF_E_FIFO_CREDIT_MAP 74
+
+#define BRCMF_E_LAST 75
+
+#define BRCMF_E_STATUS_SUCCESS 0
+#define BRCMF_E_STATUS_FAIL 1
+#define BRCMF_E_STATUS_TIMEOUT 2
+#define BRCMF_E_STATUS_NO_NETWORKS 3
+#define BRCMF_E_STATUS_ABORT 4
+#define BRCMF_E_STATUS_NO_ACK 5
+#define BRCMF_E_STATUS_UNSOLICITED 6
+#define BRCMF_E_STATUS_ATTEMPT 7
+#define BRCMF_E_STATUS_PARTIAL 8
+#define BRCMF_E_STATUS_NEWSCAN 9
+#define BRCMF_E_STATUS_NEWASSOC 10
+#define BRCMF_E_STATUS_11HQUIET 11
+#define BRCMF_E_STATUS_SUPPRESS 12
+#define BRCMF_E_STATUS_NOCHANS 13
+#define BRCMF_E_STATUS_CS_ABORT 15
+#define BRCMF_E_STATUS_ERROR 16
+
+#define BRCMF_E_REASON_INITIAL_ASSOC 0
+#define BRCMF_E_REASON_LOW_RSSI 1
+#define BRCMF_E_REASON_DEAUTH 2
+#define BRCMF_E_REASON_DISASSOC 3
+#define BRCMF_E_REASON_BCNS_LOST 4
+#define BRCMF_E_REASON_MINTXRATE 9
+#define BRCMF_E_REASON_TXFAIL 10
+
+#define BRCMF_E_REASON_FAST_ROAM_FAILED 5
+#define BRCMF_E_REASON_DIRECTED_ROAM 6
+#define BRCMF_E_REASON_TSPEC_REJECTED 7
+#define BRCMF_E_REASON_BETTER_AP 8
+
+#define BRCMF_E_PRUNE_ENCR_MISMATCH 1
+#define BRCMF_E_PRUNE_BCAST_BSSID 2
+#define BRCMF_E_PRUNE_MAC_DENY 3
+#define BRCMF_E_PRUNE_MAC_NA 4
+#define BRCMF_E_PRUNE_REG_PASSV 5
+#define BRCMF_E_PRUNE_SPCT_MGMT 6
+#define BRCMF_E_PRUNE_RADAR 7
+#define BRCMF_E_RSN_MISMATCH 8
+#define BRCMF_E_PRUNE_NO_COMMON_RATES 9
+#define BRCMF_E_PRUNE_BASIC_RATES 10
+#define BRCMF_E_PRUNE_CIPHER_NA 12
+#define BRCMF_E_PRUNE_KNOWN_STA 13
+#define BRCMF_E_PRUNE_WDS_PEER 15
+#define BRCMF_E_PRUNE_QBSS_LOAD 16
+#define BRCMF_E_PRUNE_HOME_AP 17
+
+#define BRCMF_E_SUP_OTHER 0
+#define BRCMF_E_SUP_DECRYPT_KEY_DATA 1
+#define BRCMF_E_SUP_BAD_UCAST_WEP128 2
+#define BRCMF_E_SUP_BAD_UCAST_WEP40 3
+#define BRCMF_E_SUP_UNSUP_KEY_LEN 4
+#define BRCMF_E_SUP_PW_KEY_CIPHER 5
+#define BRCMF_E_SUP_MSG3_TOO_MANY_IE 6
+#define BRCMF_E_SUP_MSG3_IE_MISMATCH 7
+#define BRCMF_E_SUP_NO_INSTALL_FLAG 8
+#define BRCMF_E_SUP_MSG3_NO_GTK 9
+#define BRCMF_E_SUP_GRP_KEY_CIPHER 10
+#define BRCMF_E_SUP_GRP_MSG1_NO_GTK 11
+#define BRCMF_E_SUP_GTK_DECRYPT_FAIL 12
+#define BRCMF_E_SUP_SEND_FAIL 13
+#define BRCMF_E_SUP_DEAUTH 14
+
+#define BRCMF_E_IF_ADD 1
+#define BRCMF_E_IF_DEL 2
+#define BRCMF_E_IF_CHANGE 3
+
+#define BRCMF_E_IF_ROLE_STA 0
+#define BRCMF_E_IF_ROLE_AP 1
+#define BRCMF_E_IF_ROLE_WDS 2
+
+#define BRCMF_E_LINK_BCN_LOSS 1
+#define BRCMF_E_LINK_DISASSOC 2
+#define BRCMF_E_LINK_ASSOC_REC 3
+#define BRCMF_E_LINK_BSSCFG_DIS 4
+
+/* The level of bus communication with the dongle */
+enum brcmf_bus_state {
+ BRCMF_BUS_DOWN, /* Not ready for frame transfers */
+ BRCMF_BUS_LOAD, /* Download access only (CPU reset) */
+ BRCMF_BUS_DATA /* Ready for frame transfers */
+};
+
+/* Pattern matching filter. Specifies an offset within received packets to
+ * start matching, the pattern to match, the size of the pattern, and a bitmask
+ * that indicates which bits within the pattern should be matched.
+ */
+struct brcmf_pkt_filter_pattern {
+ /*
+ * Offset within received packet to start pattern matching.
+ * Offset '0' is the first byte of the ethernet header.
+ */
+ u32 offset;
+ /* Size of the pattern. Bitmask must be the same size.*/
+ u32 size_bytes;
+ /*
+ * Variable length mask and pattern data. mask starts at offset 0.
+ * Pattern immediately follows mask.
+ */
+ u8 mask_and_pattern[1];
+};
+
+/* IOVAR "pkt_filter_add" parameter. Used to install packet filters. */
+struct brcmf_pkt_filter {
+ u32 id; /* Unique filter id, specified by app. */
+ u32 type; /* Filter type (WL_PKT_FILTER_TYPE_xxx). */
+ u32 negate_match; /* Negate the result of filter matches */
+ union { /* Filter definitions */
+ struct brcmf_pkt_filter_pattern pattern; /* Filter pattern */
+ } u;
+};
+
+/* IOVAR "pkt_filter_enable" parameter. */
+struct brcmf_pkt_filter_enable {
+ u32 id; /* Unique filter id */
+ u32 enable; /* Enable/disable bool */
+};
+
+/* BSS info structure
+ * Applications MUST CHECK ie_offset field and length field to access IEs and
+ * next bss_info structure in a vector (in struct brcmf_scan_results)
+ */
+struct brcmf_bss_info {
+ __le32 version; /* version field */
+ __le32 length; /* byte length of data in this record,
+ * starting at version and including IEs
+ */
+ u8 BSSID[ETH_ALEN];
+ __le16 beacon_period; /* units are Kusec */
+ __le16 capability; /* Capability information */
+ u8 SSID_len;
+ u8 SSID[32];
+ struct {
+ __le32 count; /* # rates in this set */
+ u8 rates[16]; /* rates in 500kbps units w/hi bit set if basic */
+ } rateset; /* supported rates */
+ __le16 chanspec; /* chanspec for bss */
+ __le16 atim_window; /* units are Kusec */
+ u8 dtim_period; /* DTIM period */
+ __le16 RSSI; /* receive signal strength (in dBm) */
+ s8 phy_noise; /* noise (in dBm) */
+
+ u8 n_cap; /* BSS is 802.11N Capable */
+ /* 802.11N BSS Capabilities (based on HT_CAP_*): */
+ __le32 nbss_cap;
+ u8 ctl_ch; /* 802.11N BSS control channel number */
+ __le32 reserved32[1]; /* Reserved for expansion of BSS properties */
+ u8 flags; /* flags */
+ u8 reserved[3]; /* Reserved for expansion of BSS properties */
+ u8 basic_mcs[MCSSET_LEN]; /* 802.11N BSS required MCS set */
+
+ __le16 ie_offset; /* offset at which IEs start, from beginning */
+ __le32 ie_length; /* byte length of Information Elements */
+ __le16 SNR; /* average SNR of during frame reception */
+ /* Add new fields here */
+ /* variable length Information Elements */
+};
+
+struct brcm_rateset_le {
+ /* # rates in this set */
+ __le32 count;
+ /* rates in 500kbps units w/hi bit set if basic */
+ u8 rates[WL_NUMRATES];
+};
+
+struct brcmf_ssid {
+ u32 SSID_len;
+ unsigned char SSID[32];
+};
+
+struct brcmf_ssid_le {
+ __le32 SSID_len;
+ unsigned char SSID[32];
+};
+
+struct brcmf_scan_params_le {
+ struct brcmf_ssid_le ssid_le; /* default: {0, ""} */
+ u8 bssid[ETH_ALEN]; /* default: bcast */
+ s8 bss_type; /* default: any,
+ * DOT11_BSSTYPE_ANY/INFRASTRUCTURE/INDEPENDENT
+ */
+ u8 scan_type; /* flags, 0 use default */
+ __le32 nprobes; /* -1 use default, number of probes per channel */
+ __le32 active_time; /* -1 use default, dwell time per channel for
+ * active scanning
+ */
+ __le32 passive_time; /* -1 use default, dwell time per channel
+ * for passive scanning
+ */
+ __le32 home_time; /* -1 use default, dwell time for the
+ * home channel between channel scans
+ */
+ __le32 channel_num; /* count of channels and ssids that follow
+ *
+ * low half is count of channels in
+ * channel_list, 0 means default (use all
+ * available channels)
+ *
+ * high half is entries in struct brcmf_ssid
+ * array that follows channel_list, aligned for
+ * s32 (4 bytes) meaning an odd channel count
+ * implies a 2-byte pad between end of
+ * channel_list and first ssid
+ *
+ * if ssid count is zero, single ssid in the
+ * fixed parameter portion is assumed, otherwise
+ * ssid in the fixed portion is ignored
+ */
+ __le16 channel_list[1]; /* list of chanspecs */
+};
+
+/* incremental scan struct */
+struct brcmf_iscan_params_le {
+ __le32 version;
+ __le16 action;
+ __le16 scan_duration;
+ struct brcmf_scan_params_le params_le;
+};
+
+struct brcmf_scan_results {
+ u32 buflen;
+ u32 version;
+ u32 count;
+ struct brcmf_bss_info bss_info[1];
+};
+
+struct brcmf_scan_results_le {
+ __le32 buflen;
+ __le32 version;
+ __le32 count;
+ struct brcmf_bss_info bss_info[1];
+};
+
+/* used for association with a specific BSSID and chanspec list */
+struct brcmf_assoc_params_le {
+ /* 00:00:00:00:00:00: broadcast scan */
+ u8 bssid[ETH_ALEN];
+ /* 0: all available channels, otherwise count of chanspecs in
+ * chanspec_list */
+ __le32 chanspec_num;
+ /* list of chanspecs */
+ __le16 chanspec_list[1];
+};
+
+/* used for join with or without a specific bssid and channel list */
+struct brcmf_join_params {
+ struct brcmf_ssid_le ssid_le;
+ struct brcmf_assoc_params_le params_le;
+};
+
+/* size of brcmf_scan_results not including variable length array */
+#define BRCMF_SCAN_RESULTS_FIXED_SIZE \
+ (sizeof(struct brcmf_scan_results) - sizeof(struct brcmf_bss_info))
+
+/* incremental scan results struct */
+struct brcmf_iscan_results {
+ union {
+ u32 status;
+ __le32 status_le;
+ };
+ union {
+ struct brcmf_scan_results results;
+ struct brcmf_scan_results_le results_le;
+ };
+};
+
+/* size of brcmf_iscan_results not including variable length array */
+#define BRCMF_ISCAN_RESULTS_FIXED_SIZE \
+ (BRCMF_SCAN_RESULTS_FIXED_SIZE + \
+ offsetof(struct brcmf_iscan_results, results))
+
+struct brcmf_wsec_key {
+ u32 index; /* key index */
+ u32 len; /* key length */
+ u8 data[WLAN_MAX_KEY_LEN]; /* key data */
+ u32 pad_1[18];
+ u32 algo; /* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */
+ u32 flags; /* misc flags */
+ u32 pad_2[3];
+ u32 iv_initialized; /* has IV been initialized already? */
+ u32 pad_3;
+ /* Rx IV */
+ struct {
+ u32 hi; /* upper 32 bits of IV */
+ u16 lo; /* lower 16 bits of IV */
+ } rxiv;
+ u32 pad_4[2];
+ u8 ea[ETH_ALEN]; /* per station */
+};
+
+/*
+ * dongle requires same struct as above but with fields in little endian order
+ */
+struct brcmf_wsec_key_le {
+ __le32 index; /* key index */
+ __le32 len; /* key length */
+ u8 data[WLAN_MAX_KEY_LEN]; /* key data */
+ __le32 pad_1[18];
+ __le32 algo; /* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */
+ __le32 flags; /* misc flags */
+ __le32 pad_2[3];
+ __le32 iv_initialized; /* has IV been initialized already? */
+ __le32 pad_3;
+ /* Rx IV */
+ struct {
+ __le32 hi; /* upper 32 bits of IV */
+ __le16 lo; /* lower 16 bits of IV */
+ } rxiv;
+ __le32 pad_4[2];
+ u8 ea[ETH_ALEN]; /* per station */
+};
+
+/* Used to get specific STA parameters */
+struct brcmf_scb_val_le {
+ __le32 val;
+ u8 ea[ETH_ALEN];
+};
+
+/* channel encoding */
+struct brcmf_channel_info_le {
+ __le32 hw_channel;
+ __le32 target_channel;
+ __le32 scan_channel;
+};
+
+/* Bus independent dongle command */
+struct brcmf_dcmd {
+ uint cmd; /* common dongle cmd definition */
+ void *buf; /* pointer to user buffer */
+ uint len; /* length of user buffer */
+ u8 set; /* get or set request (optional) */
+ uint used; /* bytes read or written (optional) */
+ uint needed; /* bytes needed (optional) */
+};
+
+/* Forward decls for struct brcmf_pub (see below) */
+struct brcmf_bus; /* device bus info */
+struct brcmf_proto; /* device communication protocol info */
+struct brcmf_info; /* device driver info */
+struct brcmf_cfg80211_dev; /* cfg80211 device info */
+
+/* Common structure for module and instance linkage */
+struct brcmf_pub {
+ /* Linkage ponters */
+ struct brcmf_bus *bus;
+ struct brcmf_proto *prot;
+ struct brcmf_info *info;
+ struct brcmf_cfg80211_dev *config;
+
+ /* Internal brcmf items */
+ bool up; /* Driver up/down (to OS) */
+ bool txoff; /* Transmit flow-controlled */
+ enum brcmf_bus_state busstate;
+ uint hdrlen; /* Total BRCMF header length (proto + bus) */
+ uint maxctl; /* Max size rxctl request from proto to bus */
+ uint rxsz; /* Rx buffer size bus module should use */
+ u8 wme_dp; /* wme discard priority */
+
+ /* Dongle media info */
+ bool iswl; /* Dongle-resident driver is wl */
+ unsigned long drv_version; /* Version of dongle-resident driver */
+ u8 mac[ETH_ALEN]; /* MAC address obtained from dongle */
+ struct dngl_stats dstats; /* Stats for dongle-based data */
+
+ /* Additional stats for the bus level */
+
+ /* Data packets sent to dongle */
+ unsigned long tx_packets;
+ /* Multicast data packets sent to dongle */
+ unsigned long tx_multicast;
+ /* Errors in sending data to dongle */
+ unsigned long tx_errors;
+ /* Control packets sent to dongle */
+ unsigned long tx_ctlpkts;
+ /* Errors sending control frames to dongle */
+ unsigned long tx_ctlerrs;
+ /* Packets sent up the network interface */
+ unsigned long rx_packets;
+ /* Multicast packets sent up the network interface */
+ unsigned long rx_multicast;
+ /* Errors processing rx data packets */
+ unsigned long rx_errors;
+ /* Control frames processed from dongle */
+ unsigned long rx_ctlpkts;
+
+ /* Errors in processing rx control frames */
+ unsigned long rx_ctlerrs;
+ /* Packets dropped locally (no memory) */
+ unsigned long rx_dropped;
+ /* Packets flushed due to unscheduled sendup thread */
+ unsigned long rx_flushed;
+ /* Number of times dpc scheduled by watchdog timer */
+ unsigned long wd_dpc_sched;
+
+ /* Number of packets where header read-ahead was used. */
+ unsigned long rx_readahead_cnt;
+ /* Number of tx packets we had to realloc for headroom */
+ unsigned long tx_realloc;
+ /* Number of flow control pkts recvd */
+ unsigned long fc_packets;
+
+ /* Last error return */
+ int bcmerror;
+ uint tickcnt;
+
+ /* Last error from dongle */
+ int dongle_error;
+
+ /* Suspend disable flag flag */
+ int suspend_disable_flag; /* "1" to disable all extra powersaving
+ during suspend */
+ int in_suspend; /* flag set to 1 when early suspend called */
+ int dtim_skip; /* dtim skip , default 0 means wake each dtim */
+
+ /* Pkt filter defination */
+ char *pktfilter[100];
+ int pktfilter_count;
+
+ u8 country_code[BRCM_CNTRY_BUF_SZ];
+ char eventmask[BRCMF_EVENTING_MASK_LEN];
+
+};
+
+struct brcmf_if_event {
+ u8 ifidx;
+ u8 action;
+ u8 flags;
+ u8 bssidx;
+};
+
+struct bcmevent_name {
+ uint event;
+ const char *name;
+};
+
+extern const struct bcmevent_name bcmevent_names[];
+
+/* Indication from bus module regarding presence/insertion of dongle.
+ * Return struct brcmf_pub pointer, used as handle to OS module in later calls.
+ * Returned structure should have bus and prot pointers filled in.
+ * bus_hdrlen specifies required headroom for bus module header.
+ */
+extern struct brcmf_pub *brcmf_attach(struct brcmf_bus *bus,
+ uint bus_hdrlen);
+extern int brcmf_net_attach(struct brcmf_pub *drvr, int idx);
+extern int brcmf_netdev_wait_pend8021x(struct net_device *ndev);
+
+extern s32 brcmf_exec_dcmd(struct net_device *dev, u32 cmd, void *arg, u32 len);
+
+/* Indication from bus module regarding removal/absence of dongle */
+extern void brcmf_detach(struct brcmf_pub *drvr);
+
+/* Indication from bus module to change flow-control state */
+extern void brcmf_txflowcontrol(struct brcmf_pub *drvr, int ifidx, bool on);
+
+extern bool brcmf_c_prec_enq(struct brcmf_pub *drvr, struct pktq *q,
+ struct sk_buff *pkt, int prec);
+
+/* Receive frame for delivery to OS. Callee disposes of rxp. */
+extern void brcmf_rx_frame(struct brcmf_pub *drvr, int ifidx,
+ struct sk_buff *rxp, int numpkt);
+
+/* Return pointer to interface name */
+extern char *brcmf_ifname(struct brcmf_pub *drvr, int idx);
+
+/* Notify tx completion */
+extern void brcmf_txcomplete(struct brcmf_pub *drvr, struct sk_buff *txp,
+ bool success);
+
+/* Query dongle */
+extern int brcmf_proto_cdc_query_dcmd(struct brcmf_pub *drvr, int ifidx,
+ uint cmd, void *buf, uint len);
+
+/* OS independent layer functions */
+extern int brcmf_os_proto_block(struct brcmf_pub *drvr);
+extern int brcmf_os_proto_unblock(struct brcmf_pub *drvr);
+#ifdef BCMDBG
+extern int brcmf_write_to_file(struct brcmf_pub *drvr, u8 *buf, int size);
+#endif /* BCMDBG */
+
+extern int brcmf_ifname2idx(struct brcmf_info *drvr_priv, char *name);
+extern int brcmf_c_host_event(struct brcmf_info *drvr_priv, int *idx,
+ void *pktdata, struct brcmf_event_msg *,
+ void **data_ptr);
+
+extern void brcmf_c_init(void);
+
+extern int brcmf_add_if(struct brcmf_info *drvr_priv, int ifidx,
+ struct net_device *ndev, char *name, u8 *mac_addr,
+ u32 flags, u8 bssidx);
+extern void brcmf_del_if(struct brcmf_info *drvr_priv, int ifidx);
+
+/* Send packet to dongle via data channel */
+extern int brcmf_sendpkt(struct brcmf_pub *drvr, int ifidx,\
+ struct sk_buff *pkt);
+
+extern int brcmf_bus_start(struct brcmf_pub *drvr);
+
+extern void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg);
+extern void brcmf_c_pktfilter_offload_enable(struct brcmf_pub *drvr, char *arg,
+ int enable, int master_mode);
+
+#define BRCMF_DCMD_SMLEN 256 /* "small" cmd buffer required */
+#define BRCMF_DCMD_MEDLEN 1536 /* "med" cmd buffer required */
+#define BRCMF_DCMD_MAXLEN 8192 /* max length cmd buffer required */
+
+/* message levels */
+#define BRCMF_ERROR_VAL 0x0001
+#define BRCMF_TRACE_VAL 0x0002
+#define BRCMF_INFO_VAL 0x0004
+#define BRCMF_DATA_VAL 0x0008
+#define BRCMF_CTL_VAL 0x0010
+#define BRCMF_TIMER_VAL 0x0020
+#define BRCMF_HDRS_VAL 0x0040
+#define BRCMF_BYTES_VAL 0x0080
+#define BRCMF_INTR_VAL 0x0100
+#define BRCMF_GLOM_VAL 0x0400
+#define BRCMF_EVENT_VAL 0x0800
+#define BRCMF_BTA_VAL 0x1000
+#define BRCMF_ISCAN_VAL 0x2000
+
+/* Enter idle immediately (no timeout) */
+#define BRCMF_IDLE_IMMEDIATE (-1)
+#define BRCMF_IDLE_ACTIVE 0 /* Do not request any SD clock change
+ when idle */
+#define BRCMF_IDLE_INTERVAL 1
+
+#endif /* _BRCMF_H_ */
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
new file mode 100644
index 000000000000..a249407c9a1b
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCMF_BUS_H_
+#define _BRCMF_BUS_H_
+
+/* Packet alignment for most efficient SDIO (can change based on platform) */
+#define BRCMF_SDALIGN (1 << 6)
+
+/* watchdog polling interval in ms */
+#define BRCMF_WD_POLL_MS 10
+
+/*
+ * Exported from brcmf bus module (brcmf_usb, brcmf_sdio)
+ */
+
+/* Indicate (dis)interest in finding dongles. */
+extern int brcmf_bus_register(void);
+extern void brcmf_bus_unregister(void);
+
+/* obtain linux device object providing bus function */
+extern struct device *brcmf_bus_get_device(struct brcmf_bus *bus);
+
+/* Stop bus module: clear pending frames, disable data flow */
+extern void brcmf_sdbrcm_bus_stop(struct brcmf_bus *bus);
+
+/* Initialize bus module: prepare for communication w/dongle */
+extern int brcmf_sdbrcm_bus_init(struct brcmf_pub *drvr);
+
+/* Send a data frame to the dongle. Callee disposes of txp. */
+extern int brcmf_sdbrcm_bus_txdata(struct brcmf_bus *bus, struct sk_buff *txp);
+
+/* Send/receive a control message to/from the dongle.
+ * Expects caller to enforce a single outstanding transaction.
+ */
+extern int
+brcmf_sdbrcm_bus_txctl(struct brcmf_bus *bus, unsigned char *msg, uint msglen);
+
+extern int
+brcmf_sdbrcm_bus_rxctl(struct brcmf_bus *bus, unsigned char *msg, uint msglen);
+
+extern void brcmf_sdbrcm_wd_timer(struct brcmf_bus *bus, uint wdtick);
+
+#endif /* _BRCMF_BUS_H_ */
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c
new file mode 100644
index 000000000000..e34c5c3d1d55
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c
@@ -0,0 +1,498 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*******************************************************************************
+ * Communicates with the dongle by using dcmd codes.
+ * For certain dcmd codes, the dongle interprets string data from the host.
+ ******************************************************************************/
+
+#include <linux/types.h>
+#include <linux/netdevice.h>
+#include <linux/sched.h>
+#include <defs.h>
+
+#include <brcmu_utils.h>
+#include <brcmu_wifi.h>
+
+#include "dhd.h"
+#include "dhd_proto.h"
+#include "dhd_bus.h"
+#include "dhd_dbg.h"
+
+struct brcmf_proto_cdc_dcmd {
+ __le32 cmd; /* dongle command value */
+ __le32 len; /* lower 16: output buflen;
+ * upper 16: input buflen (excludes header) */
+ __le32 flags; /* flag defns given below */
+ __le32 status; /* status code returned from the device */
+};
+
+/* Max valid buffer size that can be sent to the dongle */
+#define CDC_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN)
+
+/* CDC flag definitions */
+#define CDC_DCMD_ERROR 0x01 /* 1=cmd failed */
+#define CDC_DCMD_SET 0x02 /* 0=get, 1=set cmd */
+#define CDC_DCMD_IF_MASK 0xF000 /* I/F index */
+#define CDC_DCMD_IF_SHIFT 12
+#define CDC_DCMD_ID_MASK 0xFFFF0000 /* id an cmd pairing */
+#define CDC_DCMD_ID_SHIFT 16 /* ID Mask shift bits */
+#define CDC_DCMD_ID(flags) \
+ (((flags) & CDC_DCMD_ID_MASK) >> CDC_DCMD_ID_SHIFT)
+
+/*
+ * BDC header - Broadcom specific extension of CDC.
+ * Used on data packets to convey priority across USB.
+ */
+#define BDC_HEADER_LEN 4
+#define BDC_PROTO_VER 1 /* Protocol version */
+#define BDC_FLAG_VER_MASK 0xf0 /* Protocol version mask */
+#define BDC_FLAG_VER_SHIFT 4 /* Protocol version shift */
+#define BDC_FLAG_SUM_GOOD 0x04 /* Good RX checksums */
+#define BDC_FLAG_SUM_NEEDED 0x08 /* Dongle needs to do TX checksums */
+#define BDC_PRIORITY_MASK 0x7
+#define BDC_FLAG2_IF_MASK 0x0f /* packet rx interface in APSTA */
+#define BDC_FLAG2_IF_SHIFT 0
+
+#define BDC_GET_IF_IDX(hdr) \
+ ((int)((((hdr)->flags2) & BDC_FLAG2_IF_MASK) >> BDC_FLAG2_IF_SHIFT))
+#define BDC_SET_IF_IDX(hdr, idx) \
+ ((hdr)->flags2 = (((hdr)->flags2 & ~BDC_FLAG2_IF_MASK) | \
+ ((idx) << BDC_FLAG2_IF_SHIFT)))
+
+struct brcmf_proto_bdc_header {
+ u8 flags;
+ u8 priority; /* 802.1d Priority, 4:7 flow control info for usb */
+ u8 flags2;
+ u8 rssi;
+};
+
+
+#define RETRIES 2 /* # of retries to retrieve matching dcmd response */
+#define BUS_HEADER_LEN (16+BRCMF_SDALIGN) /* Must be atleast SDPCM_RESERVE
+ * (amount of header tha might be added)
+ * plus any space that might be needed
+ * for alignment padding.
+ */
+#define ROUND_UP_MARGIN 2048 /* Biggest SDIO block size possible for
+ * round off at the end of buffer
+ */
+
+struct brcmf_proto {
+ u16 reqid;
+ u8 pending;
+ u32 lastcmd;
+ u8 bus_header[BUS_HEADER_LEN];
+ struct brcmf_proto_cdc_dcmd msg;
+ unsigned char buf[BRCMF_DCMD_MAXLEN + ROUND_UP_MARGIN];
+};
+
+static int brcmf_proto_cdc_msg(struct brcmf_pub *drvr)
+{
+ struct brcmf_proto *prot = drvr->prot;
+ int len = le32_to_cpu(prot->msg.len) +
+ sizeof(struct brcmf_proto_cdc_dcmd);
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* NOTE : cdc->msg.len holds the desired length of the buffer to be
+ * returned. Only up to CDC_MAX_MSG_SIZE of this buffer area
+ * is actually sent to the dongle
+ */
+ if (len > CDC_MAX_MSG_SIZE)
+ len = CDC_MAX_MSG_SIZE;
+
+ /* Send request */
+ return brcmf_sdbrcm_bus_txctl(drvr->bus, (unsigned char *)&prot->msg,
+ len);
+}
+
+static int brcmf_proto_cdc_cmplt(struct brcmf_pub *drvr, u32 id, u32 len)
+{
+ int ret;
+ struct brcmf_proto *prot = drvr->prot;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ do {
+ ret = brcmf_sdbrcm_bus_rxctl(drvr->bus,
+ (unsigned char *)&prot->msg,
+ len + sizeof(struct brcmf_proto_cdc_dcmd));
+ if (ret < 0)
+ break;
+ } while (CDC_DCMD_ID(le32_to_cpu(prot->msg.flags)) != id);
+
+ return ret;
+}
+
+int
+brcmf_proto_cdc_query_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
+ void *buf, uint len)
+{
+ struct brcmf_proto *prot = drvr->prot;
+ struct brcmf_proto_cdc_dcmd *msg = &prot->msg;
+ void *info;
+ int ret = 0, retries = 0;
+ u32 id, flags;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ brcmf_dbg(CTL, "cmd %d len %d\n", cmd, len);
+
+ /* Respond "bcmerror" and "bcmerrorstr" with local cache */
+ if (cmd == BRCMF_C_GET_VAR && buf) {
+ if (!strcmp((char *)buf, "bcmerrorstr")) {
+ strncpy((char *)buf, "bcm_error",
+ BCME_STRLEN);
+ goto done;
+ } else if (!strcmp((char *)buf, "bcmerror")) {
+ *(int *)buf = drvr->dongle_error;
+ goto done;
+ }
+ }
+
+ memset(msg, 0, sizeof(struct brcmf_proto_cdc_dcmd));
+
+ msg->cmd = cpu_to_le32(cmd);
+ msg->len = cpu_to_le32(len);
+ flags = (++prot->reqid << CDC_DCMD_ID_SHIFT);
+ flags = (flags & ~CDC_DCMD_IF_MASK) |
+ (ifidx << CDC_DCMD_IF_SHIFT);
+ msg->flags = cpu_to_le32(flags);
+
+ if (buf)
+ memcpy(prot->buf, buf, len);
+
+ ret = brcmf_proto_cdc_msg(drvr);
+ if (ret < 0) {
+ brcmf_dbg(ERROR, "brcmf_proto_cdc_msg failed w/status %d\n",
+ ret);
+ goto done;
+ }
+
+retry:
+ /* wait for interrupt and get first fragment */
+ ret = brcmf_proto_cdc_cmplt(drvr, prot->reqid, len);
+ if (ret < 0)
+ goto done;
+
+ flags = le32_to_cpu(msg->flags);
+ id = (flags & CDC_DCMD_ID_MASK) >> CDC_DCMD_ID_SHIFT;
+
+ if ((id < prot->reqid) && (++retries < RETRIES))
+ goto retry;
+ if (id != prot->reqid) {
+ brcmf_dbg(ERROR, "%s: unexpected request id %d (expected %d)\n",
+ brcmf_ifname(drvr, ifidx), id, prot->reqid);
+ ret = -EINVAL;
+ goto done;
+ }
+
+ /* Check info buffer */
+ info = (void *)&msg[1];
+
+ /* Copy info buffer */
+ if (buf) {
+ if (ret < (int)len)
+ len = ret;
+ memcpy(buf, info, len);
+ }
+
+ /* Check the ERROR flag */
+ if (flags & CDC_DCMD_ERROR) {
+ ret = le32_to_cpu(msg->status);
+ /* Cache error from dongle */
+ drvr->dongle_error = ret;
+ }
+
+done:
+ return ret;
+}
+
+int brcmf_proto_cdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
+ void *buf, uint len)
+{
+ struct brcmf_proto *prot = drvr->prot;
+ struct brcmf_proto_cdc_dcmd *msg = &prot->msg;
+ int ret = 0;
+ u32 flags, id;
+
+ brcmf_dbg(TRACE, "Enter\n");
+ brcmf_dbg(CTL, "cmd %d len %d\n", cmd, len);
+
+ memset(msg, 0, sizeof(struct brcmf_proto_cdc_dcmd));
+
+ msg->cmd = cpu_to_le32(cmd);
+ msg->len = cpu_to_le32(len);
+ flags = (++prot->reqid << CDC_DCMD_ID_SHIFT) | CDC_DCMD_SET;
+ flags = (flags & ~CDC_DCMD_IF_MASK) |
+ (ifidx << CDC_DCMD_IF_SHIFT);
+ msg->flags = cpu_to_le32(flags);
+
+ if (buf)
+ memcpy(prot->buf, buf, len);
+
+ ret = brcmf_proto_cdc_msg(drvr);
+ if (ret < 0)
+ goto done;
+
+ ret = brcmf_proto_cdc_cmplt(drvr, prot->reqid, len);
+ if (ret < 0)
+ goto done;
+
+ flags = le32_to_cpu(msg->flags);
+ id = (flags & CDC_DCMD_ID_MASK) >> CDC_DCMD_ID_SHIFT;
+
+ if (id != prot->reqid) {
+ brcmf_dbg(ERROR, "%s: unexpected request id %d (expected %d)\n",
+ brcmf_ifname(drvr, ifidx), id, prot->reqid);
+ ret = -EINVAL;
+ goto done;
+ }
+
+ /* Check the ERROR flag */
+ if (flags & CDC_DCMD_ERROR) {
+ ret = le32_to_cpu(msg->status);
+ /* Cache error from dongle */
+ drvr->dongle_error = ret;
+ }
+
+done:
+ return ret;
+}
+
+int
+brcmf_proto_dcmd(struct brcmf_pub *drvr, int ifidx, struct brcmf_dcmd *dcmd,
+ int len)
+{
+ struct brcmf_proto *prot = drvr->prot;
+ int ret = -1;
+
+ if (drvr->busstate == BRCMF_BUS_DOWN) {
+ brcmf_dbg(ERROR, "bus is down. we have nothing to do.\n");
+ return ret;
+ }
+ brcmf_os_proto_block(drvr);
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (len > BRCMF_DCMD_MAXLEN)
+ goto done;
+
+ if (prot->pending == true) {
+ brcmf_dbg(TRACE, "CDC packet is pending!!!! cmd=0x%x (%lu) lastcmd=0x%x (%lu)\n",
+ dcmd->cmd, (unsigned long)dcmd->cmd, prot->lastcmd,
+ (unsigned long)prot->lastcmd);
+ if (dcmd->cmd == BRCMF_C_SET_VAR ||
+ dcmd->cmd == BRCMF_C_GET_VAR)
+ brcmf_dbg(TRACE, "iovar cmd=%s\n", (char *)dcmd->buf);
+
+ goto done;
+ }
+
+ prot->pending = true;
+ prot->lastcmd = dcmd->cmd;
+ if (dcmd->set)
+ ret = brcmf_proto_cdc_set_dcmd(drvr, ifidx, dcmd->cmd,
+ dcmd->buf, len);
+ else {
+ ret = brcmf_proto_cdc_query_dcmd(drvr, ifidx, dcmd->cmd,
+ dcmd->buf, len);
+ if (ret > 0)
+ dcmd->used = ret -
+ sizeof(struct brcmf_proto_cdc_dcmd);
+ }
+
+ if (ret >= 0)
+ ret = 0;
+ else {
+ struct brcmf_proto_cdc_dcmd *msg = &prot->msg;
+ /* len == needed when set/query fails from dongle */
+ dcmd->needed = le32_to_cpu(msg->len);
+ }
+
+ /* Intercept the wme_dp dongle cmd here */
+ if (!ret && dcmd->cmd == BRCMF_C_SET_VAR &&
+ !strcmp(dcmd->buf, "wme_dp")) {
+ int slen;
+ __le32 val = 0;
+
+ slen = strlen("wme_dp") + 1;
+ if (len >= (int)(slen + sizeof(int)))
+ memcpy(&val, (char *)dcmd->buf + slen, sizeof(int));
+ drvr->wme_dp = (u8) le32_to_cpu(val);
+ }
+
+ prot->pending = false;
+
+done:
+ brcmf_os_proto_unblock(drvr);
+
+ return ret;
+}
+
+static bool pkt_sum_needed(struct sk_buff *skb)
+{
+ return skb->ip_summed == CHECKSUM_PARTIAL;
+}
+
+static void pkt_set_sum_good(struct sk_buff *skb, bool x)
+{
+ skb->ip_summed = (x ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE);
+}
+
+void brcmf_proto_hdrpush(struct brcmf_pub *drvr, int ifidx,
+ struct sk_buff *pktbuf)
+{
+ struct brcmf_proto_bdc_header *h;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* Push BDC header used to convey priority for buses that don't */
+
+ skb_push(pktbuf, BDC_HEADER_LEN);
+
+ h = (struct brcmf_proto_bdc_header *)(pktbuf->data);
+
+ h->flags = (BDC_PROTO_VER << BDC_FLAG_VER_SHIFT);
+ if (pkt_sum_needed(pktbuf))
+ h->flags |= BDC_FLAG_SUM_NEEDED;
+
+ h->priority = (pktbuf->priority & BDC_PRIORITY_MASK);
+ h->flags2 = 0;
+ h->rssi = 0;
+ BDC_SET_IF_IDX(h, ifidx);
+}
+
+int brcmf_proto_hdrpull(struct brcmf_pub *drvr, int *ifidx,
+ struct sk_buff *pktbuf)
+{
+ struct brcmf_proto_bdc_header *h;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* Pop BDC header used to convey priority for buses that don't */
+
+ if (pktbuf->len < BDC_HEADER_LEN) {
+ brcmf_dbg(ERROR, "rx data too short (%d < %d)\n",
+ pktbuf->len, BDC_HEADER_LEN);
+ return -EBADE;
+ }
+
+ h = (struct brcmf_proto_bdc_header *)(pktbuf->data);
+
+ *ifidx = BDC_GET_IF_IDX(h);
+ if (*ifidx >= BRCMF_MAX_IFS) {
+ brcmf_dbg(ERROR, "rx data ifnum out of range (%d)\n", *ifidx);
+ return -EBADE;
+ }
+
+ if (((h->flags & BDC_FLAG_VER_MASK) >> BDC_FLAG_VER_SHIFT) !=
+ BDC_PROTO_VER) {
+ brcmf_dbg(ERROR, "%s: non-BDC packet received, flags 0x%x\n",
+ brcmf_ifname(drvr, *ifidx), h->flags);
+ return -EBADE;
+ }
+
+ if (h->flags & BDC_FLAG_SUM_GOOD) {
+ brcmf_dbg(INFO, "%s: BDC packet received with good rx-csum, flags 0x%x\n",
+ brcmf_ifname(drvr, *ifidx), h->flags);
+ pkt_set_sum_good(pktbuf, true);
+ }
+
+ pktbuf->priority = h->priority & BDC_PRIORITY_MASK;
+
+ skb_pull(pktbuf, BDC_HEADER_LEN);
+
+ return 0;
+}
+
+int brcmf_proto_attach(struct brcmf_pub *drvr)
+{
+ struct brcmf_proto *cdc;
+
+ cdc = kzalloc(sizeof(struct brcmf_proto), GFP_ATOMIC);
+ if (!cdc)
+ goto fail;
+
+ /* ensure that the msg buf directly follows the cdc msg struct */
+ if ((unsigned long)(&cdc->msg + 1) != (unsigned long)cdc->buf) {
+ brcmf_dbg(ERROR, "struct brcmf_proto is not correctly defined\n");
+ goto fail;
+ }
+
+ drvr->prot = cdc;
+ drvr->hdrlen += BDC_HEADER_LEN;
+ drvr->maxctl = BRCMF_DCMD_MAXLEN +
+ sizeof(struct brcmf_proto_cdc_dcmd) + ROUND_UP_MARGIN;
+ return 0;
+
+fail:
+ kfree(cdc);
+ return -ENOMEM;
+}
+
+/* ~NOTE~ What if another thread is waiting on the semaphore? Holding it? */
+void brcmf_proto_detach(struct brcmf_pub *drvr)
+{
+ kfree(drvr->prot);
+ drvr->prot = NULL;
+}
+
+void brcmf_proto_dstats(struct brcmf_pub *drvr)
+{
+ /* No stats from dongle added yet, copy bus stats */
+ drvr->dstats.tx_packets = drvr->tx_packets;
+ drvr->dstats.tx_errors = drvr->tx_errors;
+ drvr->dstats.rx_packets = drvr->rx_packets;
+ drvr->dstats.rx_errors = drvr->rx_errors;
+ drvr->dstats.rx_dropped = drvr->rx_dropped;
+ drvr->dstats.multicast = drvr->rx_multicast;
+ return;
+}
+
+int brcmf_proto_init(struct brcmf_pub *drvr)
+{
+ int ret = 0;
+ char buf[128];
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ brcmf_os_proto_block(drvr);
+
+ /* Get the device MAC address */
+ strcpy(buf, "cur_etheraddr");
+ ret = brcmf_proto_cdc_query_dcmd(drvr, 0, BRCMF_C_GET_VAR,
+ buf, sizeof(buf));
+ if (ret < 0) {
+ brcmf_os_proto_unblock(drvr);
+ return ret;
+ }
+ memcpy(drvr->mac, buf, ETH_ALEN);
+
+ brcmf_os_proto_unblock(drvr);
+
+ ret = brcmf_c_preinit_dcmds(drvr);
+
+ /* Always assumes wl for now */
+ drvr->iswl = true;
+
+ return ret;
+}
+
+void brcmf_proto_stop(struct brcmf_pub *drvr)
+{
+ /* Nothing to do for CDC */
+}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c
new file mode 100644
index 000000000000..4075fd74dd92
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c
@@ -0,0 +1,872 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/sched.h>
+#include <linux/netdevice.h>
+#include <asm/unaligned.h>
+#include <defs.h>
+#include <brcmu_wifi.h>
+#include <brcmu_utils.h>
+#include "dhd.h"
+#include "dhd_bus.h"
+#include "dhd_proto.h"
+#include "dhd_dbg.h"
+
+#define BRCM_OUI "\x00\x10\x18"
+#define DOT11_OUI_LEN 3
+#define BCMILCP_BCM_SUBTYPE_EVENT 1
+#define PKTFILTER_BUF_SIZE 2048
+#define BRCMF_ARPOL_MODE 0xb /* agent|snoop|peer_autoreply */
+
+int brcmf_msg_level;
+
+#define MSGTRACE_VERSION 1
+
+#define BRCMF_PKT_FILTER_FIXED_LEN offsetof(struct brcmf_pkt_filter, u)
+#define BRCMF_PKT_FILTER_PATTERN_FIXED_LEN \
+ offsetof(struct brcmf_pkt_filter_pattern, mask_and_pattern)
+
+#ifdef BCMDBG
+static const char brcmf_version[] =
+ "Dongle Host Driver, version " BRCMF_VERSION_STR "\nCompiled on "
+ __DATE__ " at " __TIME__;
+#else
+static const char brcmf_version[] =
+ "Dongle Host Driver, version " BRCMF_VERSION_STR;
+#endif
+
+/* Message trace header */
+struct msgtrace_hdr {
+ u8 version;
+ u8 spare;
+ __be16 len; /* Len of the trace */
+ __be32 seqnum; /* Sequence number of message. Useful
+ * if the messsage has been lost
+ * because of DMA error or a bus reset
+ * (ex: SDIO Func2)
+ */
+ __be32 discarded_bytes; /* Number of discarded bytes because of
+ trace overflow */
+ __be32 discarded_printf; /* Number of discarded printf
+ because of trace overflow */
+} __packed;
+
+void brcmf_c_init(void)
+{
+ /* Init global variables at run-time, not as part of the declaration.
+ * This is required to support init/de-init of the driver.
+ * Initialization
+ * of globals as part of the declaration results in non-deterministic
+ * behaviour since the value of the globals may be different on the
+ * first time that the driver is initialized vs subsequent
+ * initializations.
+ */
+ brcmf_msg_level = BRCMF_ERROR_VAL;
+}
+
+bool brcmf_c_prec_enq(struct brcmf_pub *drvr, struct pktq *q,
+ struct sk_buff *pkt, int prec)
+{
+ struct sk_buff *p;
+ int eprec = -1; /* precedence to evict from */
+ bool discard_oldest;
+
+ /* Fast case, precedence queue is not full and we are also not
+ * exceeding total queue length
+ */
+ if (!pktq_pfull(q, prec) && !pktq_full(q)) {
+ brcmu_pktq_penq(q, prec, pkt);
+ return true;
+ }
+
+ /* Determine precedence from which to evict packet, if any */
+ if (pktq_pfull(q, prec))
+ eprec = prec;
+ else if (pktq_full(q)) {
+ p = brcmu_pktq_peek_tail(q, &eprec);
+ if (eprec > prec)
+ return false;
+ }
+
+ /* Evict if needed */
+ if (eprec >= 0) {
+ /* Detect queueing to unconfigured precedence */
+ discard_oldest = ac_bitmap_tst(drvr->wme_dp, eprec);
+ if (eprec == prec && !discard_oldest)
+ return false; /* refuse newer (incoming) packet */
+ /* Evict packet according to discard policy */
+ p = discard_oldest ? brcmu_pktq_pdeq(q, eprec) :
+ brcmu_pktq_pdeq_tail(q, eprec);
+ if (p == NULL)
+ brcmf_dbg(ERROR, "brcmu_pktq_penq() failed, oldest %d\n",
+ discard_oldest);
+
+ brcmu_pkt_buf_free_skb(p);
+ }
+
+ /* Enqueue */
+ p = brcmu_pktq_penq(q, prec, pkt);
+ if (p == NULL)
+ brcmf_dbg(ERROR, "brcmu_pktq_penq() failed\n");
+
+ return p != NULL;
+}
+
+#ifdef BCMDBG
+static void
+brcmf_c_show_host_event(struct brcmf_event_msg *event, void *event_data)
+{
+ uint i, status, reason;
+ bool group = false, flush_txq = false, link = false;
+ char *auth_str, *event_name;
+ unsigned char *buf;
+ char err_msg[256], eabuf[ETHER_ADDR_STR_LEN];
+ static struct {
+ uint event;
+ char *event_name;
+ } event_names[] = {
+ {
+ BRCMF_E_SET_SSID, "SET_SSID"}, {
+ BRCMF_E_JOIN, "JOIN"}, {
+ BRCMF_E_START, "START"}, {
+ BRCMF_E_AUTH, "AUTH"}, {
+ BRCMF_E_AUTH_IND, "AUTH_IND"}, {
+ BRCMF_E_DEAUTH, "DEAUTH"}, {
+ BRCMF_E_DEAUTH_IND, "DEAUTH_IND"}, {
+ BRCMF_E_ASSOC, "ASSOC"}, {
+ BRCMF_E_ASSOC_IND, "ASSOC_IND"}, {
+ BRCMF_E_REASSOC, "REASSOC"}, {
+ BRCMF_E_REASSOC_IND, "REASSOC_IND"}, {
+ BRCMF_E_DISASSOC, "DISASSOC"}, {
+ BRCMF_E_DISASSOC_IND, "DISASSOC_IND"}, {
+ BRCMF_E_QUIET_START, "START_QUIET"}, {
+ BRCMF_E_QUIET_END, "END_QUIET"}, {
+ BRCMF_E_BEACON_RX, "BEACON_RX"}, {
+ BRCMF_E_LINK, "LINK"}, {
+ BRCMF_E_MIC_ERROR, "MIC_ERROR"}, {
+ BRCMF_E_NDIS_LINK, "NDIS_LINK"}, {
+ BRCMF_E_ROAM, "ROAM"}, {
+ BRCMF_E_TXFAIL, "TXFAIL"}, {
+ BRCMF_E_PMKID_CACHE, "PMKID_CACHE"}, {
+ BRCMF_E_RETROGRADE_TSF, "RETROGRADE_TSF"}, {
+ BRCMF_E_PRUNE, "PRUNE"}, {
+ BRCMF_E_AUTOAUTH, "AUTOAUTH"}, {
+ BRCMF_E_EAPOL_MSG, "EAPOL_MSG"}, {
+ BRCMF_E_SCAN_COMPLETE, "SCAN_COMPLETE"}, {
+ BRCMF_E_ADDTS_IND, "ADDTS_IND"}, {
+ BRCMF_E_DELTS_IND, "DELTS_IND"}, {
+ BRCMF_E_BCNSENT_IND, "BCNSENT_IND"}, {
+ BRCMF_E_BCNRX_MSG, "BCNRX_MSG"}, {
+ BRCMF_E_BCNLOST_MSG, "BCNLOST_MSG"}, {
+ BRCMF_E_ROAM_PREP, "ROAM_PREP"}, {
+ BRCMF_E_PFN_NET_FOUND, "PNO_NET_FOUND"}, {
+ BRCMF_E_PFN_NET_LOST, "PNO_NET_LOST"}, {
+ BRCMF_E_RESET_COMPLETE, "RESET_COMPLETE"}, {
+ BRCMF_E_JOIN_START, "JOIN_START"}, {
+ BRCMF_E_ROAM_START, "ROAM_START"}, {
+ BRCMF_E_ASSOC_START, "ASSOC_START"}, {
+ BRCMF_E_IBSS_ASSOC, "IBSS_ASSOC"}, {
+ BRCMF_E_RADIO, "RADIO"}, {
+ BRCMF_E_PSM_WATCHDOG, "PSM_WATCHDOG"}, {
+ BRCMF_E_PROBREQ_MSG, "PROBREQ_MSG"}, {
+ BRCMF_E_SCAN_CONFIRM_IND, "SCAN_CONFIRM_IND"}, {
+ BRCMF_E_PSK_SUP, "PSK_SUP"}, {
+ BRCMF_E_COUNTRY_CODE_CHANGED, "COUNTRY_CODE_CHANGED"}, {
+ BRCMF_E_EXCEEDED_MEDIUM_TIME, "EXCEEDED_MEDIUM_TIME"}, {
+ BRCMF_E_ICV_ERROR, "ICV_ERROR"}, {
+ BRCMF_E_UNICAST_DECODE_ERROR, "UNICAST_DECODE_ERROR"}, {
+ BRCMF_E_MULTICAST_DECODE_ERROR, "MULTICAST_DECODE_ERROR"}, {
+ BRCMF_E_TRACE, "TRACE"}, {
+ BRCMF_E_ACTION_FRAME, "ACTION FRAME"}, {
+ BRCMF_E_ACTION_FRAME_COMPLETE, "ACTION FRAME TX COMPLETE"}, {
+ BRCMF_E_IF, "IF"}, {
+ BRCMF_E_RSSI, "RSSI"}, {
+ BRCMF_E_PFN_SCAN_COMPLETE, "SCAN_COMPLETE"}
+ };
+ uint event_type, flags, auth_type, datalen;
+ static u32 seqnum_prev;
+ struct msgtrace_hdr hdr;
+ u32 nblost;
+ char *s, *p;
+
+ event_type = be32_to_cpu(event->event_type);
+ flags = be16_to_cpu(event->flags);
+ status = be32_to_cpu(event->status);
+ reason = be32_to_cpu(event->reason);
+ auth_type = be32_to_cpu(event->auth_type);
+ datalen = be32_to_cpu(event->datalen);
+ /* debug dump of event messages */
+ sprintf(eabuf, "%pM", event->addr);
+
+ event_name = "UNKNOWN";
+ for (i = 0; i < ARRAY_SIZE(event_names); i++) {
+ if (event_names[i].event == event_type)
+ event_name = event_names[i].event_name;
+ }
+
+ brcmf_dbg(EVENT, "EVENT: %s, event ID = %d\n", event_name, event_type);
+ brcmf_dbg(EVENT, "flags 0x%04x, status %d, reason %d, auth_type %d MAC %s\n",
+ flags, status, reason, auth_type, eabuf);
+
+ if (flags & BRCMF_EVENT_MSG_LINK)
+ link = true;
+ if (flags & BRCMF_EVENT_MSG_GROUP)
+ group = true;
+ if (flags & BRCMF_EVENT_MSG_FLUSHTXQ)
+ flush_txq = true;
+
+ switch (event_type) {
+ case BRCMF_E_START:
+ case BRCMF_E_DEAUTH:
+ case BRCMF_E_DISASSOC:
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf);
+ break;
+
+ case BRCMF_E_ASSOC_IND:
+ case BRCMF_E_REASSOC_IND:
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf);
+ break;
+
+ case BRCMF_E_ASSOC:
+ case BRCMF_E_REASSOC:
+ if (status == BRCMF_E_STATUS_SUCCESS)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, SUCCESS\n",
+ event_name, eabuf);
+ else if (status == BRCMF_E_STATUS_TIMEOUT)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, TIMEOUT\n",
+ event_name, eabuf);
+ else if (status == BRCMF_E_STATUS_FAIL)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, FAILURE, reason %d\n",
+ event_name, eabuf, (int)reason);
+ else
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, unexpected status %d\n",
+ event_name, eabuf, (int)status);
+ break;
+
+ case BRCMF_E_DEAUTH_IND:
+ case BRCMF_E_DISASSOC_IND:
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, reason %d\n",
+ event_name, eabuf, (int)reason);
+ break;
+
+ case BRCMF_E_AUTH:
+ case BRCMF_E_AUTH_IND:
+ if (auth_type == WLAN_AUTH_OPEN)
+ auth_str = "Open System";
+ else if (auth_type == WLAN_AUTH_SHARED_KEY)
+ auth_str = "Shared Key";
+ else {
+ sprintf(err_msg, "AUTH unknown: %d", (int)auth_type);
+ auth_str = err_msg;
+ }
+ if (event_type == BRCMF_E_AUTH_IND)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s\n",
+ event_name, eabuf, auth_str);
+ else if (status == BRCMF_E_STATUS_SUCCESS)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, SUCCESS\n",
+ event_name, eabuf, auth_str);
+ else if (status == BRCMF_E_STATUS_TIMEOUT)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, TIMEOUT\n",
+ event_name, eabuf, auth_str);
+ else if (status == BRCMF_E_STATUS_FAIL) {
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, %s, FAILURE, reason %d\n",
+ event_name, eabuf, auth_str, (int)reason);
+ }
+
+ break;
+
+ case BRCMF_E_JOIN:
+ case BRCMF_E_ROAM:
+ case BRCMF_E_SET_SSID:
+ if (status == BRCMF_E_STATUS_SUCCESS)
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n",
+ event_name, eabuf);
+ else if (status == BRCMF_E_STATUS_FAIL)
+ brcmf_dbg(EVENT, "MACEVENT: %s, failed\n", event_name);
+ else if (status == BRCMF_E_STATUS_NO_NETWORKS)
+ brcmf_dbg(EVENT, "MACEVENT: %s, no networks found\n",
+ event_name);
+ else
+ brcmf_dbg(EVENT, "MACEVENT: %s, unexpected status %d\n",
+ event_name, (int)status);
+ break;
+
+ case BRCMF_E_BEACON_RX:
+ if (status == BRCMF_E_STATUS_SUCCESS)
+ brcmf_dbg(EVENT, "MACEVENT: %s, SUCCESS\n", event_name);
+ else if (status == BRCMF_E_STATUS_FAIL)
+ brcmf_dbg(EVENT, "MACEVENT: %s, FAIL\n", event_name);
+ else
+ brcmf_dbg(EVENT, "MACEVENT: %s, status %d\n",
+ event_name, status);
+ break;
+
+ case BRCMF_E_LINK:
+ brcmf_dbg(EVENT, "MACEVENT: %s %s\n",
+ event_name, link ? "UP" : "DOWN");
+ break;
+
+ case BRCMF_E_MIC_ERROR:
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s, Group %d, Flush %d\n",
+ event_name, eabuf, group, flush_txq);
+ break;
+
+ case BRCMF_E_ICV_ERROR:
+ case BRCMF_E_UNICAST_DECODE_ERROR:
+ case BRCMF_E_MULTICAST_DECODE_ERROR:
+ brcmf_dbg(EVENT, "MACEVENT: %s, MAC %s\n", event_name, eabuf);
+ break;
+
+ case BRCMF_E_TXFAIL:
+ brcmf_dbg(EVENT, "MACEVENT: %s, RA %s\n", event_name, eabuf);
+ break;
+
+ case BRCMF_E_SCAN_COMPLETE:
+ case BRCMF_E_PMKID_CACHE:
+ brcmf_dbg(EVENT, "MACEVENT: %s\n", event_name);
+ break;
+
+ case BRCMF_E_PFN_NET_FOUND:
+ case BRCMF_E_PFN_NET_LOST:
+ case BRCMF_E_PFN_SCAN_COMPLETE:
+ brcmf_dbg(EVENT, "PNOEVENT: %s\n", event_name);
+ break;
+
+ case BRCMF_E_PSK_SUP:
+ case BRCMF_E_PRUNE:
+ brcmf_dbg(EVENT, "MACEVENT: %s, status %d, reason %d\n",
+ event_name, (int)status, (int)reason);
+ break;
+
+ case BRCMF_E_TRACE:
+ buf = (unsigned char *) event_data;
+ memcpy(&hdr, buf, sizeof(struct msgtrace_hdr));
+
+ if (hdr.version != MSGTRACE_VERSION) {
+ brcmf_dbg(ERROR,
+ "MACEVENT: %s [unsupported version --> brcmf"
+ " version:%d dongle version:%d]\n",
+ event_name, MSGTRACE_VERSION, hdr.version);
+ /* Reset datalen to avoid display below */
+ datalen = 0;
+ break;
+ }
+
+ /* There are 2 bytes available at the end of data */
+ *(buf + sizeof(struct msgtrace_hdr)
+ + be16_to_cpu(hdr.len)) = '\0';
+
+ if (be32_to_cpu(hdr.discarded_bytes)
+ || be32_to_cpu(hdr.discarded_printf))
+ brcmf_dbg(ERROR,
+ "WLC_E_TRACE: [Discarded traces in dongle -->"
+ " discarded_bytes %d discarded_printf %d]\n",
+ be32_to_cpu(hdr.discarded_bytes),
+ be32_to_cpu(hdr.discarded_printf));
+
+ nblost = be32_to_cpu(hdr.seqnum) - seqnum_prev - 1;
+ if (nblost > 0)
+ brcmf_dbg(ERROR, "WLC_E_TRACE: [Event lost --> seqnum "
+ " %d nblost %d\n", be32_to_cpu(hdr.seqnum),
+ nblost);
+ seqnum_prev = be32_to_cpu(hdr.seqnum);
+
+ /* Display the trace buffer. Advance from \n to \n to
+ * avoid display big
+ * printf (issue with Linux printk )
+ */
+ p = (char *)&buf[sizeof(struct msgtrace_hdr)];
+ while ((s = strstr(p, "\n")) != NULL) {
+ *s = '\0';
+ printk(KERN_DEBUG"%s\n", p);
+ p = s + 1;
+ }
+ printk(KERN_DEBUG "%s\n", p);
+
+ /* Reset datalen to avoid display below */
+ datalen = 0;
+ break;
+
+ case BRCMF_E_RSSI:
+ brcmf_dbg(EVENT, "MACEVENT: %s %d\n",
+ event_name, be32_to_cpu(*((__be32 *)event_data)));
+ break;
+
+ default:
+ brcmf_dbg(EVENT,
+ "MACEVENT: %s %d, MAC %s, status %d, reason %d, "
+ "auth %d\n", event_name, event_type, eabuf,
+ (int)status, (int)reason, (int)auth_type);
+ break;
+ }
+
+ /* show any appended data */
+ if (datalen) {
+ buf = (unsigned char *) event_data;
+ brcmf_dbg(EVENT, " data (%d) : ", datalen);
+ for (i = 0; i < datalen; i++)
+ brcmf_dbg(EVENT, " 0x%02x ", *buf++);
+ brcmf_dbg(EVENT, "\n");
+ }
+}
+#endif /* BCMDBG */
+
+int
+brcmf_c_host_event(struct brcmf_info *drvr_priv, int *ifidx, void *pktdata,
+ struct brcmf_event_msg *event, void **data_ptr)
+{
+ /* check whether packet is a BRCM event pkt */
+ struct brcmf_event *pvt_data = (struct brcmf_event *) pktdata;
+ struct brcmf_if_event *ifevent;
+ char *event_data;
+ u32 type, status;
+ u16 flags;
+ int evlen;
+
+ if (memcmp(BRCM_OUI, &pvt_data->hdr.oui[0], DOT11_OUI_LEN)) {
+ brcmf_dbg(ERROR, "mismatched OUI, bailing\n");
+ return -EBADE;
+ }
+
+ /* BRCM event pkt may be unaligned - use xxx_ua to load user_subtype. */
+ if (get_unaligned_be16(&pvt_data->hdr.usr_subtype) !=
+ BCMILCP_BCM_SUBTYPE_EVENT) {
+ brcmf_dbg(ERROR, "mismatched subtype, bailing\n");
+ return -EBADE;
+ }
+
+ *data_ptr = &pvt_data[1];
+ event_data = *data_ptr;
+
+ /* memcpy since BRCM event pkt may be unaligned. */
+ memcpy(event, &pvt_data->msg, sizeof(struct brcmf_event_msg));
+
+ type = get_unaligned_be32(&event->event_type);
+ flags = get_unaligned_be16(&event->flags);
+ status = get_unaligned_be32(&event->status);
+ evlen = get_unaligned_be32(&event->datalen) +
+ sizeof(struct brcmf_event);
+
+ switch (type) {
+ case BRCMF_E_IF:
+ ifevent = (struct brcmf_if_event *) event_data;
+ brcmf_dbg(TRACE, "if event\n");
+
+ if (ifevent->ifidx > 0 && ifevent->ifidx < BRCMF_MAX_IFS) {
+ if (ifevent->action == BRCMF_E_IF_ADD)
+ brcmf_add_if(drvr_priv, ifevent->ifidx, NULL,
+ event->ifname,
+ pvt_data->eth.h_dest,
+ ifevent->flags, ifevent->bssidx);
+ else
+ brcmf_del_if(drvr_priv, ifevent->ifidx);
+ } else {
+ brcmf_dbg(ERROR, "Invalid ifidx %d for %s\n",
+ ifevent->ifidx, event->ifname);
+ }
+
+ /* send up the if event: btamp user needs it */
+ *ifidx = brcmf_ifname2idx(drvr_priv, event->ifname);
+ break;
+
+ /* These are what external supplicant/authenticator wants */
+ case BRCMF_E_LINK:
+ case BRCMF_E_ASSOC_IND:
+ case BRCMF_E_REASSOC_IND:
+ case BRCMF_E_DISASSOC_IND:
+ case BRCMF_E_MIC_ERROR:
+ default:
+ /* Fall through: this should get _everything_ */
+
+ *ifidx = brcmf_ifname2idx(drvr_priv, event->ifname);
+ brcmf_dbg(TRACE, "MAC event %d, flags %x, status %x\n",
+ type, flags, status);
+
+ /* put it back to BRCMF_E_NDIS_LINK */
+ if (type == BRCMF_E_NDIS_LINK) {
+ u32 temp1;
+ __be32 temp2;
+
+ temp1 = get_unaligned_be32(&event->event_type);
+ brcmf_dbg(TRACE, "Converted to WLC_E_LINK type %d\n",
+ temp1);
+
+ temp2 = cpu_to_be32(BRCMF_E_NDIS_LINK);
+ memcpy((void *)(&pvt_data->msg.event_type), &temp2,
+ sizeof(pvt_data->msg.event_type));
+ }
+ break;
+ }
+
+#ifdef BCMDBG
+ brcmf_c_show_host_event(event, event_data);
+#endif /* BCMDBG */
+
+ return 0;
+}
+
+/* Convert user's input in hex pattern to byte-size mask */
+static int brcmf_c_pattern_atoh(char *src, char *dst)
+{
+ int i;
+ if (strncmp(src, "0x", 2) != 0 && strncmp(src, "0X", 2) != 0) {
+ brcmf_dbg(ERROR, "Mask invalid format. Needs to start with 0x\n");
+ return -EINVAL;
+ }
+ src = src + 2; /* Skip past 0x */
+ if (strlen(src) % 2 != 0) {
+ brcmf_dbg(ERROR, "Mask invalid format. Length must be even.\n");
+ return -EINVAL;
+ }
+ for (i = 0; *src != '\0'; i++) {
+ unsigned long res;
+ char num[3];
+ strncpy(num, src, 2);
+ num[2] = '\0';
+ if (kstrtoul(num, 16, &res))
+ return -EINVAL;
+ dst[i] = (u8)res;
+ src += 2;
+ }
+ return i;
+}
+
+void
+brcmf_c_pktfilter_offload_enable(struct brcmf_pub *drvr, char *arg, int enable,
+ int master_mode)
+{
+ unsigned long res;
+ char *argv[8];
+ int i = 0;
+ const char *str;
+ int buf_len;
+ int str_len;
+ char *arg_save = NULL, *arg_org = NULL;
+ int rc;
+ char buf[128];
+ struct brcmf_pkt_filter_enable enable_parm;
+ struct brcmf_pkt_filter_enable *pkt_filterp;
+
+ arg_save = kmalloc(strlen(arg) + 1, GFP_ATOMIC);
+ if (!arg_save)
+ goto fail;
+
+ arg_org = arg_save;
+ memcpy(arg_save, arg, strlen(arg) + 1);
+
+ argv[i] = strsep(&arg_save, " ");
+
+ i = 0;
+ if (NULL == argv[i]) {
+ brcmf_dbg(ERROR, "No args provided\n");
+ goto fail;
+ }
+
+ str = "pkt_filter_enable";
+ str_len = strlen(str);
+ strncpy(buf, str, str_len);
+ buf[str_len] = '\0';
+ buf_len = str_len + 1;
+
+ pkt_filterp = (struct brcmf_pkt_filter_enable *) (buf + str_len + 1);
+
+ /* Parse packet filter id. */
+ enable_parm.id = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ enable_parm.id = (u32)res;
+
+ /* Parse enable/disable value. */
+ enable_parm.enable = enable;
+
+ buf_len += sizeof(enable_parm);
+ memcpy((char *)pkt_filterp, &enable_parm, sizeof(enable_parm));
+
+ /* Enable/disable the specified filter. */
+ rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, buf_len);
+ rc = rc >= 0 ? 0 : rc;
+ if (rc)
+ brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n",
+ arg, rc);
+ else
+ brcmf_dbg(TRACE, "successfully added pktfilter %s\n", arg);
+
+ /* Contorl the master mode */
+ brcmu_mkiovar("pkt_filter_mode", (char *)&master_mode, 4, buf,
+ sizeof(buf));
+ rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf,
+ sizeof(buf));
+ rc = rc >= 0 ? 0 : rc;
+ if (rc)
+ brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n",
+ arg, rc);
+
+fail:
+ kfree(arg_org);
+}
+
+void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg)
+{
+ const char *str;
+ struct brcmf_pkt_filter pkt_filter;
+ struct brcmf_pkt_filter *pkt_filterp;
+ unsigned long res;
+ int buf_len;
+ int str_len;
+ int rc;
+ u32 mask_size;
+ u32 pattern_size;
+ char *argv[8], *buf = NULL;
+ int i = 0;
+ char *arg_save = NULL, *arg_org = NULL;
+
+ arg_save = kstrdup(arg, GFP_ATOMIC);
+ if (!arg_save)
+ goto fail;
+
+ arg_org = arg_save;
+
+ buf = kmalloc(PKTFILTER_BUF_SIZE, GFP_ATOMIC);
+ if (!buf)
+ goto fail;
+
+ argv[i] = strsep(&arg_save, " ");
+ while (argv[i++])
+ argv[i] = strsep(&arg_save, " ");
+
+ i = 0;
+ if (NULL == argv[i]) {
+ brcmf_dbg(ERROR, "No args provided\n");
+ goto fail;
+ }
+
+ str = "pkt_filter_add";
+ strcpy(buf, str);
+ str_len = strlen(str);
+ buf_len = str_len + 1;
+
+ pkt_filterp = (struct brcmf_pkt_filter *) (buf + str_len + 1);
+
+ /* Parse packet filter id. */
+ pkt_filter.id = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ pkt_filter.id = (u32)res;
+
+ if (NULL == argv[++i]) {
+ brcmf_dbg(ERROR, "Polarity not provided\n");
+ goto fail;
+ }
+
+ /* Parse filter polarity. */
+ pkt_filter.negate_match = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ pkt_filter.negate_match = (u32)res;
+
+ if (NULL == argv[++i]) {
+ brcmf_dbg(ERROR, "Filter type not provided\n");
+ goto fail;
+ }
+
+ /* Parse filter type. */
+ pkt_filter.type = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ pkt_filter.type = (u32)res;
+
+ if (NULL == argv[++i]) {
+ brcmf_dbg(ERROR, "Offset not provided\n");
+ goto fail;
+ }
+
+ /* Parse pattern filter offset. */
+ pkt_filter.u.pattern.offset = 0;
+ if (!kstrtoul(argv[i], 0, &res))
+ pkt_filter.u.pattern.offset = (u32)res;
+
+ if (NULL == argv[++i]) {
+ brcmf_dbg(ERROR, "Bitmask not provided\n");
+ goto fail;
+ }
+
+ /* Parse pattern filter mask. */
+ mask_size =
+ brcmf_c_pattern_atoh
+ (argv[i], (char *)pkt_filterp->u.pattern.mask_and_pattern);
+
+ if (NULL == argv[++i]) {
+ brcmf_dbg(ERROR, "Pattern not provided\n");
+ goto fail;
+ }
+
+ /* Parse pattern filter pattern. */
+ pattern_size =
+ brcmf_c_pattern_atoh(argv[i],
+ (char *)&pkt_filterp->u.pattern.
+ mask_and_pattern[mask_size]);
+
+ if (mask_size != pattern_size) {
+ brcmf_dbg(ERROR, "Mask and pattern not the same size\n");
+ goto fail;
+ }
+
+ pkt_filter.u.pattern.size_bytes = mask_size;
+ buf_len += BRCMF_PKT_FILTER_FIXED_LEN;
+ buf_len += (BRCMF_PKT_FILTER_PATTERN_FIXED_LEN + 2 * mask_size);
+
+ /* Keep-alive attributes are set in local
+ * variable (keep_alive_pkt), and
+ ** then memcpy'ed into buffer (keep_alive_pktp) since there is no
+ ** guarantee that the buffer is properly aligned.
+ */
+ memcpy((char *)pkt_filterp,
+ &pkt_filter,
+ BRCMF_PKT_FILTER_FIXED_LEN + BRCMF_PKT_FILTER_PATTERN_FIXED_LEN);
+
+ rc = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, buf, buf_len);
+ rc = rc >= 0 ? 0 : rc;
+
+ if (rc)
+ brcmf_dbg(TRACE, "failed to add pktfilter %s, retcode = %d\n",
+ arg, rc);
+ else
+ brcmf_dbg(TRACE, "successfully added pktfilter %s\n", arg);
+
+fail:
+ kfree(arg_org);
+
+ kfree(buf);
+}
+
+static void brcmf_c_arp_offload_set(struct brcmf_pub *drvr, int arp_mode)
+{
+ char iovbuf[32];
+ int retcode;
+
+ brcmu_mkiovar("arp_ol", (char *)&arp_mode, 4, iovbuf, sizeof(iovbuf));
+ retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR,
+ iovbuf, sizeof(iovbuf));
+ retcode = retcode >= 0 ? 0 : retcode;
+ if (retcode)
+ brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, retcode = %d\n",
+ arp_mode, retcode);
+ else
+ brcmf_dbg(TRACE, "successfully set ARP offload mode to 0x%x\n",
+ arp_mode);
+}
+
+static void brcmf_c_arp_offload_enable(struct brcmf_pub *drvr, int arp_enable)
+{
+ char iovbuf[32];
+ int retcode;
+
+ brcmu_mkiovar("arpoe", (char *)&arp_enable, 4, iovbuf, sizeof(iovbuf));
+ retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR,
+ iovbuf, sizeof(iovbuf));
+ retcode = retcode >= 0 ? 0 : retcode;
+ if (retcode)
+ brcmf_dbg(TRACE, "failed to enable ARP offload to %d, retcode = %d\n",
+ arp_enable, retcode);
+ else
+ brcmf_dbg(TRACE, "successfully enabled ARP offload to %d\n",
+ arp_enable);
+}
+
+int brcmf_c_preinit_dcmds(struct brcmf_pub *drvr)
+{
+ char iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; /* Room for
+ "event_msgs" + '\0' + bitvec */
+ uint up = 0;
+ char buf[128], *ptr;
+ u32 dongle_align = BRCMF_SDALIGN;
+ u32 glom = 0;
+ u32 roaming = 1;
+ uint bcn_timeout = 3;
+ int scan_assoc_time = 40;
+ int scan_unassoc_time = 40;
+ int i;
+
+ brcmf_os_proto_block(drvr);
+
+ /* Set Country code */
+ if (drvr->country_code[0] != 0) {
+ if (brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_COUNTRY,
+ drvr->country_code,
+ sizeof(drvr->country_code)) < 0)
+ brcmf_dbg(ERROR, "country code setting failed\n");
+ }
+
+ /* query for 'ver' to get version info from firmware */
+ memset(buf, 0, sizeof(buf));
+ ptr = buf;
+ brcmu_mkiovar("ver", NULL, 0, buf, sizeof(buf));
+ brcmf_proto_cdc_query_dcmd(drvr, 0, BRCMF_C_GET_VAR, buf, sizeof(buf));
+ strsep(&ptr, "\n");
+ /* Print fw version info */
+ brcmf_dbg(ERROR, "Firmware version = %s\n", buf);
+
+ /* Match Host and Dongle rx alignment */
+ brcmu_mkiovar("bus:txglomalign", (char *)&dongle_align, 4, iovbuf,
+ sizeof(iovbuf));
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+
+ /* disable glom option per default */
+ brcmu_mkiovar("bus:txglom", (char *)&glom, 4, iovbuf, sizeof(iovbuf));
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+
+ /* Setup timeout if Beacons are lost and roam is off to report
+ link down */
+ brcmu_mkiovar("bcn_timeout", (char *)&bcn_timeout, 4, iovbuf,
+ sizeof(iovbuf));
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+
+ /* Enable/Disable build-in roaming to allowed ext supplicant to take
+ of romaing */
+ brcmu_mkiovar("roam_off", (char *)&roaming, 4,
+ iovbuf, sizeof(iovbuf));
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+
+ /* Force STA UP */
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_UP, (char *)&up, sizeof(up));
+
+ /* Setup event_msgs */
+ brcmu_mkiovar("event_msgs", drvr->eventmask, BRCMF_EVENTING_MASK_LEN,
+ iovbuf, sizeof(iovbuf));
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
+ sizeof(iovbuf));
+
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_CHANNEL_TIME,
+ (char *)&scan_assoc_time, sizeof(scan_assoc_time));
+ brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_UNASSOC_TIME,
+ (char *)&scan_unassoc_time, sizeof(scan_unassoc_time));
+
+ /* Set and enable ARP offload feature */
+ brcmf_c_arp_offload_set(drvr, BRCMF_ARPOL_MODE);
+ brcmf_c_arp_offload_enable(drvr, true);
+
+ /* Set up pkt filter */
+ for (i = 0; i < drvr->pktfilter_count; i++) {
+ brcmf_c_pktfilter_offload_set(drvr, drvr->pktfilter[i]);
+ brcmf_c_pktfilter_offload_enable(drvr, drvr->pktfilter[i],
+ 0, true);
+ }
+
+ brcmf_os_proto_unblock(drvr);
+
+ return 0;
+}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h
new file mode 100644
index 000000000000..7467922f0536
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCMF_DBG_H_
+#define _BRCMF_DBG_H_
+
+#if defined(BCMDBG)
+
+#define brcmf_dbg(level, fmt, ...) \
+do { \
+ if (BRCMF_ERROR_VAL == BRCMF_##level##_VAL) { \
+ if (brcmf_msg_level & BRCMF_##level##_VAL) { \
+ if (net_ratelimit()) \
+ printk(KERN_DEBUG "%s: " fmt, \
+ __func__, ##__VA_ARGS__); \
+ } \
+ } else { \
+ if (brcmf_msg_level & BRCMF_##level##_VAL) { \
+ printk(KERN_DEBUG "%s: " fmt, \
+ __func__, ##__VA_ARGS__); \
+ } \
+ } \
+} while (0)
+
+#define BRCMF_DATA_ON() (brcmf_msg_level & BRCMF_DATA_VAL)
+#define BRCMF_CTL_ON() (brcmf_msg_level & BRCMF_CTL_VAL)
+#define BRCMF_HDRS_ON() (brcmf_msg_level & BRCMF_HDRS_VAL)
+#define BRCMF_BYTES_ON() (brcmf_msg_level & BRCMF_BYTES_VAL)
+#define BRCMF_GLOM_ON() (brcmf_msg_level & BRCMF_GLOM_VAL)
+
+#else /* (defined BCMDBG) || (defined BCMDBG) */
+
+#define brcmf_dbg(level, fmt, ...) no_printk(fmt, ##__VA_ARGS__)
+
+#define BRCMF_DATA_ON() 0
+#define BRCMF_CTL_ON() 0
+#define BRCMF_HDRS_ON() 0
+#define BRCMF_BYTES_ON() 0
+#define BRCMF_GLOM_ON() 0
+
+#endif /* defined(BCMDBG) */
+
+extern int brcmf_msg_level;
+
+#endif /* _BRCMF_DBG_H_ */
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
new file mode 100644
index 000000000000..99ba5e3e45fa
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -0,0 +1,1354 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/kthread.h>
+#include <linux/slab.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/random.h>
+#include <linux/spinlock.h>
+#include <linux/ethtool.h>
+#include <linux/fcntl.h>
+#include <linux/fs.h>
+#include <linux/uaccess.h>
+#include <linux/hardirq.h>
+#include <linux/mutex.h>
+#include <linux/wait.h>
+#include <net/cfg80211.h>
+#include <net/rtnetlink.h>
+#include <defs.h>
+#include <brcmu_utils.h>
+#include <brcmu_wifi.h>
+
+#include "dhd.h"
+#include "dhd_bus.h"
+#include "dhd_proto.h"
+#include "dhd_dbg.h"
+#include "wl_cfg80211.h"
+#include "bcmchip.h"
+
+MODULE_AUTHOR("Broadcom Corporation");
+MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac driver.");
+MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac cards");
+MODULE_LICENSE("Dual BSD/GPL");
+
+
+/* Interface control information */
+struct brcmf_if {
+ struct brcmf_info *info; /* back pointer to brcmf_info */
+ /* OS/stack specifics */
+ struct net_device *ndev;
+ struct net_device_stats stats;
+ int idx; /* iface idx in dongle */
+ int state; /* interface state */
+ u8 mac_addr[ETH_ALEN]; /* assigned MAC address */
+};
+
+/* Local private structure (extension of pub) */
+struct brcmf_info {
+ struct brcmf_pub pub;
+
+ /* OS/stack specifics */
+ struct brcmf_if *iflist[BRCMF_MAX_IFS];
+
+ struct mutex proto_block;
+
+ struct work_struct setmacaddr_work;
+ struct work_struct multicast_work;
+ u8 macvalue[ETH_ALEN];
+ atomic_t pend_8021x_cnt;
+};
+
+/* Error bits */
+module_param(brcmf_msg_level, int, 0);
+
+
+static int brcmf_net2idx(struct brcmf_info *drvr_priv, struct net_device *ndev)
+{
+ int i = 0;
+
+ while (i < BRCMF_MAX_IFS) {
+ if (drvr_priv->iflist[i] && drvr_priv->iflist[i]->ndev == ndev)
+ return i;
+ i++;
+ }
+
+ return BRCMF_BAD_IF;
+}
+
+int brcmf_ifname2idx(struct brcmf_info *drvr_priv, char *name)
+{
+ int i = BRCMF_MAX_IFS;
+ struct brcmf_if *ifp;
+
+ if (name == NULL || *name == '\0')
+ return 0;
+
+ while (--i > 0) {
+ ifp = drvr_priv->iflist[i];
+ if (ifp && !strncmp(ifp->ndev->name, name, IFNAMSIZ))
+ break;
+ }
+
+ brcmf_dbg(TRACE, "return idx %d for \"%s\"\n", i, name);
+
+ return i; /* default - the primary interface */
+}
+
+char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx)
+{
+ struct brcmf_info *drvr_priv = drvr->info;
+
+ if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) {
+ brcmf_dbg(ERROR, "ifidx %d out of range\n", ifidx);
+ return "<if_bad>";
+ }
+
+ if (drvr_priv->iflist[ifidx] == NULL) {
+ brcmf_dbg(ERROR, "null i/f %d\n", ifidx);
+ return "<if_null>";
+ }
+
+ if (drvr_priv->iflist[ifidx]->ndev)
+ return drvr_priv->iflist[ifidx]->ndev->name;
+
+ return "<if_none>";
+}
+
+static void _brcmf_set_multicast_list(struct work_struct *work)
+{
+ struct net_device *ndev;
+ struct netdev_hw_addr *ha;
+ u32 allmulti, cnt;
+ __le32 cnt_le;
+ __le32 allmulti_le;
+
+ struct brcmf_dcmd dcmd;
+ char *buf, *bufp;
+ uint buflen;
+ int ret;
+
+ struct brcmf_info *drvr_priv = container_of(work, struct brcmf_info,
+ multicast_work);
+
+ ndev = drvr_priv->iflist[0]->ndev;
+ cnt = netdev_mc_count(ndev);
+
+ /* Determine initial value of allmulti flag */
+ allmulti = (ndev->flags & IFF_ALLMULTI) ? true : false;
+
+ /* Send down the multicast list first. */
+
+ buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETH_ALEN);
+ bufp = buf = kmalloc(buflen, GFP_ATOMIC);
+ if (!bufp)
+ return;
+
+ strcpy(bufp, "mcast_list");
+ bufp += strlen("mcast_list") + 1;
+
+ cnt_le = cpu_to_le32(cnt);
+ memcpy(bufp, &cnt_le, sizeof(cnt));
+ bufp += sizeof(cnt_le);
+
+ netdev_for_each_mc_addr(ha, ndev) {
+ if (!cnt)
+ break;
+ memcpy(bufp, ha->addr, ETH_ALEN);
+ bufp += ETH_ALEN;
+ cnt--;
+ }
+
+ memset(&dcmd, 0, sizeof(dcmd));
+ dcmd.cmd = BRCMF_C_SET_VAR;
+ dcmd.buf = buf;
+ dcmd.len = buflen;
+ dcmd.set = true;
+
+ ret = brcmf_proto_dcmd(&drvr_priv->pub, 0, &dcmd, dcmd.len);
+ if (ret < 0) {
+ brcmf_dbg(ERROR, "%s: set mcast_list failed, cnt %d\n",
+ brcmf_ifname(&drvr_priv->pub, 0), cnt);
+ allmulti = cnt ? true : allmulti;
+ }
+
+ kfree(buf);
+
+ /* Now send the allmulti setting. This is based on the setting in the
+ * net_device flags, but might be modified above to be turned on if we
+ * were trying to set some addresses and dongle rejected it...
+ */
+
+ buflen = sizeof("allmulti") + sizeof(allmulti);
+ buf = kmalloc(buflen, GFP_ATOMIC);
+ if (!buf)
+ return;
+
+ allmulti_le = cpu_to_le32(allmulti);
+
+ if (!brcmu_mkiovar
+ ("allmulti", (void *)&allmulti_le,
+ sizeof(allmulti_le), buf, buflen)) {
+ brcmf_dbg(ERROR, "%s: mkiovar failed for allmulti, datalen %d buflen %u\n",
+ brcmf_ifname(&drvr_priv->pub, 0),
+ (int)sizeof(allmulti), buflen);
+ kfree(buf);
+ return;
+ }
+
+ memset(&dcmd, 0, sizeof(dcmd));
+ dcmd.cmd = BRCMF_C_SET_VAR;
+ dcmd.buf = buf;
+ dcmd.len = buflen;
+ dcmd.set = true;
+
+ ret = brcmf_proto_dcmd(&drvr_priv->pub, 0, &dcmd, dcmd.len);
+ if (ret < 0) {
+ brcmf_dbg(ERROR, "%s: set allmulti %d failed\n",
+ brcmf_ifname(&drvr_priv->pub, 0),
+ le32_to_cpu(allmulti_le));
+ }
+
+ kfree(buf);
+
+ /* Finally, pick up the PROMISC flag as well, like the NIC
+ driver does */
+
+ allmulti = (ndev->flags & IFF_PROMISC) ? true : false;
+ allmulti_le = cpu_to_le32(allmulti);
+
+ memset(&dcmd, 0, sizeof(dcmd));
+ dcmd.cmd = BRCMF_C_SET_PROMISC;
+ dcmd.buf = &allmulti_le;
+ dcmd.len = sizeof(allmulti_le);
+ dcmd.set = true;
+
+ ret = brcmf_proto_dcmd(&drvr_priv->pub, 0, &dcmd, dcmd.len);
+ if (ret < 0) {
+ brcmf_dbg(ERROR, "%s: set promisc %d failed\n",
+ brcmf_ifname(&drvr_priv->pub, 0),
+ le32_to_cpu(allmulti_le));
+ }
+}
+
+static void
+_brcmf_set_mac_address(struct work_struct *work)
+{
+ char buf[32];
+ struct brcmf_dcmd dcmd;
+ int ret;
+
+ struct brcmf_info *drvr_priv = container_of(work, struct brcmf_info,
+ setmacaddr_work);
+
+ brcmf_dbg(TRACE, "enter\n");
+ if (!brcmu_mkiovar("cur_etheraddr", (char *)drvr_priv->macvalue,
+ ETH_ALEN, buf, 32)) {
+ brcmf_dbg(ERROR, "%s: mkiovar failed for cur_etheraddr\n",
+ brcmf_ifname(&drvr_priv->pub, 0));
+ return;
+ }
+ memset(&dcmd, 0, sizeof(dcmd));
+ dcmd.cmd = BRCMF_C_SET_VAR;
+ dcmd.buf = buf;
+ dcmd.len = 32;
+ dcmd.set = true;
+
+ ret = brcmf_proto_dcmd(&drvr_priv->pub, 0, &dcmd, dcmd.len);
+ if (ret < 0)
+ brcmf_dbg(ERROR, "%s: set cur_etheraddr failed\n",
+ brcmf_ifname(&drvr_priv->pub, 0));
+ else
+ memcpy(drvr_priv->iflist[0]->ndev->dev_addr,
+ drvr_priv->macvalue, ETH_ALEN);
+
+ return;
+}
+
+static int brcmf_netdev_set_mac_address(struct net_device *ndev, void *addr)
+{
+ struct brcmf_info *drvr_priv = *(struct brcmf_info **)
+ netdev_priv(ndev);
+ struct sockaddr *sa = (struct sockaddr *)addr;
+ int ifidx;
+
+ ifidx = brcmf_net2idx(drvr_priv, ndev);
+ if (ifidx == BRCMF_BAD_IF)
+ return -1;
+
+ memcpy(&drvr_priv->macvalue, sa->sa_data, ETH_ALEN);
+ schedule_work(&drvr_priv->setmacaddr_work);
+ return 0;
+}
+
+static void brcmf_netdev_set_multicast_list(struct net_device *ndev)
+{
+ struct brcmf_info *drvr_priv = *(struct brcmf_info **)
+ netdev_priv(ndev);
+ int ifidx;
+
+ ifidx = brcmf_net2idx(drvr_priv, ndev);
+ if (ifidx == BRCMF_BAD_IF)
+ return;
+
+ schedule_work(&drvr_priv->multicast_work);
+}
+
+int brcmf_sendpkt(struct brcmf_pub *drvr, int ifidx, struct sk_buff *pktbuf)
+{
+ struct brcmf_info *drvr_priv = drvr->info;
+
+ /* Reject if down */
+ if (!drvr->up || (drvr->busstate == BRCMF_BUS_DOWN))
+ return -ENODEV;
+
+ /* Update multicast statistic */
+ if (pktbuf->len >= ETH_ALEN) {
+ u8 *pktdata = (u8 *) (pktbuf->data);
+ struct ethhdr *eh = (struct ethhdr *)pktdata;
+
+ if (is_multicast_ether_addr(eh->h_dest))
+ drvr->tx_multicast++;
+ if (ntohs(eh->h_proto) == ETH_P_PAE)
+ atomic_inc(&drvr_priv->pend_8021x_cnt);
+ }
+
+ /* If the protocol uses a data header, apply it */
+ brcmf_proto_hdrpush(drvr, ifidx, pktbuf);
+
+ /* Use bus module to send data frame */
+ return brcmf_sdbrcm_bus_txdata(drvr->bus, pktbuf);
+}
+
+static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+{
+ int ret;
+ struct brcmf_info *drvr_priv = *(struct brcmf_info **)
+ netdev_priv(ndev);
+ int ifidx;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* Reject if down */
+ if (!drvr_priv->pub.up || (drvr_priv->pub.busstate == BRCMF_BUS_DOWN)) {
+ brcmf_dbg(ERROR, "xmit rejected pub.up=%d busstate=%d\n",
+ drvr_priv->pub.up, drvr_priv->pub.busstate);
+ netif_stop_queue(ndev);
+ return -ENODEV;
+ }
+
+ ifidx = brcmf_net2idx(drvr_priv, ndev);
+ if (ifidx == BRCMF_BAD_IF) {
+ brcmf_dbg(ERROR, "bad ifidx %d\n", ifidx);
+ netif_stop_queue(ndev);
+ return -ENODEV;
+ }
+
+ /* Make sure there's enough room for any header */
+ if (skb_headroom(skb) < drvr_priv->pub.hdrlen) {
+ struct sk_buff *skb2;
+
+ brcmf_dbg(INFO, "%s: insufficient headroom\n",
+ brcmf_ifname(&drvr_priv->pub, ifidx));
+ drvr_priv->pub.tx_realloc++;
+ skb2 = skb_realloc_headroom(skb, drvr_priv->pub.hdrlen);
+ dev_kfree_skb(skb);
+ skb = skb2;
+ if (skb == NULL) {
+ brcmf_dbg(ERROR, "%s: skb_realloc_headroom failed\n",
+ brcmf_ifname(&drvr_priv->pub, ifidx));
+ ret = -ENOMEM;
+ goto done;
+ }
+ }
+
+ ret = brcmf_sendpkt(&drvr_priv->pub, ifidx, skb);
+
+done:
+ if (ret)
+ drvr_priv->pub.dstats.tx_dropped++;
+ else
+ drvr_priv->pub.tx_packets++;
+
+ /* Return ok: we always eat the packet */
+ return 0;
+}
+
+void brcmf_txflowcontrol(struct brcmf_pub *drvr, int ifidx, bool state)
+{
+ struct net_device *ndev;
+ struct brcmf_info *drvr_priv = drvr->info;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ drvr->txoff = state;
+ ndev = drvr_priv->iflist[ifidx]->ndev;
+ if (state == ON)
+ netif_stop_queue(ndev);
+ else
+ netif_wake_queue(ndev);
+}
+
+static int brcmf_host_event(struct brcmf_info *drvr_priv, int *ifidx,
+ void *pktdata, struct brcmf_event_msg *event,
+ void **data)
+{
+ int bcmerror = 0;
+
+ bcmerror = brcmf_c_host_event(drvr_priv, ifidx, pktdata, event, data);
+ if (bcmerror != 0)
+ return bcmerror;
+
+ if (drvr_priv->iflist[*ifidx]->ndev)
+ brcmf_cfg80211_event(drvr_priv->iflist[*ifidx]->ndev,
+ event, *data);
+
+ return bcmerror;
+}
+
+void brcmf_rx_frame(struct brcmf_pub *drvr, int ifidx, struct sk_buff *skb,
+ int numpkt)
+{
+ struct brcmf_info *drvr_priv = drvr->info;
+ unsigned char *eth;
+ uint len;
+ void *data;
+ struct sk_buff *pnext, *save_pktbuf;
+ int i;
+ struct brcmf_if *ifp;
+ struct brcmf_event_msg event;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ save_pktbuf = skb;
+
+ for (i = 0; skb && i < numpkt; i++, skb = pnext) {
+
+ pnext = skb->next;
+ skb->next = NULL;
+
+ /* Get the protocol, maintain skb around eth_type_trans()
+ * The main reason for this hack is for the limitation of
+ * Linux 2.4 where 'eth_type_trans' uses the
+ * 'net->hard_header_len'
+ * to perform skb_pull inside vs ETH_HLEN. Since to avoid
+ * coping of the packet coming from the network stack to add
+ * BDC, Hardware header etc, during network interface
+ * registration
+ * we set the 'net->hard_header_len' to ETH_HLEN + extra space
+ * required
+ * for BDC, Hardware header etc. and not just the ETH_HLEN
+ */
+ eth = skb->data;
+ len = skb->len;
+
+ ifp = drvr_priv->iflist[ifidx];
+ if (ifp == NULL)
+ ifp = drvr_priv->iflist[0];
+
+ skb->dev = ifp->ndev;
+ skb->protocol = eth_type_trans(skb, skb->dev);
+
+ if (skb->pkt_type == PACKET_MULTICAST)
+ drvr_priv->pub.rx_multicast++;
+
+ skb->data = eth;
+ skb->len = len;
+
+ /* Strip header, count, deliver upward */
+ skb_pull(skb, ETH_HLEN);
+
+ /* Process special event packets and then discard them */
+ if (ntohs(skb->protocol) == ETH_P_LINK_CTL)
+ brcmf_host_event(drvr_priv, &ifidx,
+ skb_mac_header(skb),
+ &event, &data);
+
+ if (drvr_priv->iflist[ifidx] &&
+ !drvr_priv->iflist[ifidx]->state)
+ ifp = drvr_priv->iflist[ifidx];
+
+ if (ifp->ndev)
+ ifp->ndev->last_rx = jiffies;
+
+ drvr->dstats.rx_bytes += skb->len;
+ drvr->rx_packets++; /* Local count */
+
+ if (in_interrupt())
+ netif_rx(skb);
+ else
+ /* If the receive is not processed inside an ISR,
+ * the softirqd must be woken explicitly to service
+ * the NET_RX_SOFTIRQ. In 2.6 kernels, this is handled
+ * by netif_rx_ni(), but in earlier kernels, we need
+ * to do it manually.
+ */
+ netif_rx_ni(skb);
+ }
+}
+
+void brcmf_txcomplete(struct brcmf_pub *drvr, struct sk_buff *txp, bool success)
+{
+ uint ifidx;
+ struct brcmf_info *drvr_priv = drvr->info;
+ struct ethhdr *eh;
+ u16 type;
+
+ brcmf_proto_hdrpull(drvr, &ifidx, txp);
+
+ eh = (struct ethhdr *)(txp->data);
+ type = ntohs(eh->h_proto);
+
+ if (type == ETH_P_PAE)
+ atomic_dec(&drvr_priv->pend_8021x_cnt);
+
+}
+
+static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev)
+{
+ struct brcmf_info *drvr_priv = *(struct brcmf_info **)
+ netdev_priv(ndev);
+ struct brcmf_if *ifp;
+ int ifidx;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ ifidx = brcmf_net2idx(drvr_priv, ndev);
+ if (ifidx == BRCMF_BAD_IF)
+ return NULL;
+
+ ifp = drvr_priv->iflist[ifidx];
+
+ if (drvr_priv->pub.up)
+ /* Use the protocol to get dongle stats */
+ brcmf_proto_dstats(&drvr_priv->pub);
+
+ /* Copy dongle stats to net device stats */
+ ifp->stats.rx_packets = drvr_priv->pub.dstats.rx_packets;
+ ifp->stats.tx_packets = drvr_priv->pub.dstats.tx_packets;
+ ifp->stats.rx_bytes = drvr_priv->pub.dstats.rx_bytes;
+ ifp->stats.tx_bytes = drvr_priv->pub.dstats.tx_bytes;
+ ifp->stats.rx_errors = drvr_priv->pub.dstats.rx_errors;
+ ifp->stats.tx_errors = drvr_priv->pub.dstats.tx_errors;
+ ifp->stats.rx_dropped = drvr_priv->pub.dstats.rx_dropped;
+ ifp->stats.tx_dropped = drvr_priv->pub.dstats.tx_dropped;
+ ifp->stats.multicast = drvr_priv->pub.dstats.multicast;
+
+ return &ifp->stats;
+}
+
+/* Retrieve current toe component enables, which are kept
+ as a bitmap in toe_ol iovar */
+static int brcmf_toe_get(struct brcmf_info *drvr_priv, int ifidx, u32 *toe_ol)
+{
+ struct brcmf_dcmd dcmd;
+ char buf[32];
+ int ret;
+
+ memset(&dcmd, 0, sizeof(dcmd));
+
+ dcmd.cmd = BRCMF_C_GET_VAR;
+ dcmd.buf = buf;
+ dcmd.len = (uint) sizeof(buf);
+ dcmd.set = false;
+
+ strcpy(buf, "toe_ol");
+ ret = brcmf_proto_dcmd(&drvr_priv->pub, ifidx, &dcmd, dcmd.len);
+ if (ret < 0) {
+ /* Check for older dongle image that doesn't support toe_ol */
+ if (ret == -EIO) {
+ brcmf_dbg(ERROR, "%s: toe not supported by device\n",
+ brcmf_ifname(&drvr_priv->pub, ifidx));
+ return -EOPNOTSUPP;
+ }
+
+ brcmf_dbg(INFO, "%s: could not get toe_ol: ret=%d\n",
+ brcmf_ifname(&drvr_priv->pub, ifidx), ret);
+ return ret;
+ }
+
+ memcpy(toe_ol, buf, sizeof(u32));
+ return 0;
+}
+
+/* Set current toe component enables in toe_ol iovar,
+ and set toe global enable iovar */
+static int brcmf_toe_set(struct brcmf_info *drvr_priv, int ifidx, u32 toe_ol)
+{
+ struct brcmf_dcmd dcmd;
+ char buf[32];
+ int toe, ret;
+
+ memset(&dcmd, 0, sizeof(dcmd));
+
+ dcmd.cmd = BRCMF_C_SET_VAR;
+ dcmd.buf = buf;
+ dcmd.len = (uint) sizeof(buf);
+ dcmd.set = true;
+
+ /* Set toe_ol as requested */
+
+ strcpy(buf, "toe_ol");
+ memcpy(&buf[sizeof("toe_ol")], &toe_ol, sizeof(u32));
+
+ ret = brcmf_proto_dcmd(&drvr_priv->pub, ifidx, &dcmd, dcmd.len);
+ if (ret < 0) {
+ brcmf_dbg(ERROR, "%s: could not set toe_ol: ret=%d\n",
+ brcmf_ifname(&drvr_priv->pub, ifidx), ret);
+ return ret;
+ }
+
+ /* Enable toe globally only if any components are enabled. */
+
+ toe = (toe_ol != 0);
+
+ strcpy(buf, "toe");
+ memcpy(&buf[sizeof("toe")], &toe, sizeof(u32));
+
+ ret = brcmf_proto_dcmd(&drvr_priv->pub, ifidx, &dcmd, dcmd.len);
+ if (ret < 0) {
+ brcmf_dbg(ERROR, "%s: could not set toe: ret=%d\n",
+ brcmf_ifname(&drvr_priv->pub, ifidx), ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void brcmf_ethtool_get_drvinfo(struct net_device *ndev,
+ struct ethtool_drvinfo *info)
+{
+ struct brcmf_info *drvr_priv = *(struct brcmf_info **)
+ netdev_priv(ndev);
+
+ sprintf(info->driver, KBUILD_MODNAME);
+ sprintf(info->version, "%lu", drvr_priv->pub.drv_version);
+ sprintf(info->fw_version, "%s", BCM4329_FW_NAME);
+ sprintf(info->bus_info, "%s",
+ dev_name(brcmf_bus_get_device(drvr_priv->pub.bus)));
+}
+
+static struct ethtool_ops brcmf_ethtool_ops = {
+ .get_drvinfo = brcmf_ethtool_get_drvinfo
+};
+
+static int brcmf_ethtool(struct brcmf_info *drvr_priv, void __user *uaddr)
+{
+ struct ethtool_drvinfo info;
+ char drvname[sizeof(info.driver)];
+ u32 cmd;
+ struct ethtool_value edata;
+ u32 toe_cmpnt, csum_dir;
+ int ret;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* all ethtool calls start with a cmd word */
+ if (copy_from_user(&cmd, uaddr, sizeof(u32)))
+ return -EFAULT;
+
+ switch (cmd) {
+ case ETHTOOL_GDRVINFO:
+ /* Copy out any request driver name */
+ if (copy_from_user(&info, uaddr, sizeof(info)))
+ return -EFAULT;
+ strncpy(drvname, info.driver, sizeof(info.driver));
+ drvname[sizeof(info.driver) - 1] = '\0';
+
+ /* clear struct for return */
+ memset(&info, 0, sizeof(info));
+ info.cmd = cmd;
+
+ /* if requested, identify ourselves */
+ if (strcmp(drvname, "?dhd") == 0) {
+ sprintf(info.driver, "dhd");
+ strcpy(info.version, BRCMF_VERSION_STR);
+ }
+
+ /* otherwise, require dongle to be up */
+ else if (!drvr_priv->pub.up) {
+ brcmf_dbg(ERROR, "dongle is not up\n");
+ return -ENODEV;
+ }
+
+ /* finally, report dongle driver type */
+ else if (drvr_priv->pub.iswl)
+ sprintf(info.driver, "wl");
+ else
+ sprintf(info.driver, "xx");
+
+ sprintf(info.version, "%lu", drvr_priv->pub.drv_version);
+ if (copy_to_user(uaddr, &info, sizeof(info)))
+ return -EFAULT;
+ brcmf_dbg(CTL, "given %*s, returning %s\n",
+ (int)sizeof(drvname), drvname, info.driver);
+ break;
+
+ /* Get toe offload components from dongle */
+ case ETHTOOL_GRXCSUM:
+ case ETHTOOL_GTXCSUM:
+ ret = brcmf_toe_get(drvr_priv, 0, &toe_cmpnt);
+ if (ret < 0)
+ return ret;
+
+ csum_dir =
+ (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL;
+
+ edata.cmd = cmd;
+ edata.data = (toe_cmpnt & csum_dir) ? 1 : 0;
+
+ if (copy_to_user(uaddr, &edata, sizeof(edata)))
+ return -EFAULT;
+ break;
+
+ /* Set toe offload components in dongle */
+ case ETHTOOL_SRXCSUM:
+ case ETHTOOL_STXCSUM:
+ if (copy_from_user(&edata, uaddr, sizeof(edata)))
+ return -EFAULT;
+
+ /* Read the current settings, update and write back */
+ ret = brcmf_toe_get(drvr_priv, 0, &toe_cmpnt);
+ if (ret < 0)
+ return ret;
+
+ csum_dir =
+ (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL;
+
+ if (edata.data != 0)
+ toe_cmpnt |= csum_dir;
+ else
+ toe_cmpnt &= ~csum_dir;
+
+ ret = brcmf_toe_set(drvr_priv, 0, toe_cmpnt);
+ if (ret < 0)
+ return ret;
+
+ /* If setting TX checksum mode, tell Linux the new mode */
+ if (cmd == ETHTOOL_STXCSUM) {
+ if (edata.data)
+ drvr_priv->iflist[0]->ndev->features |=
+ NETIF_F_IP_CSUM;
+ else
+ drvr_priv->iflist[0]->ndev->features &=
+ ~NETIF_F_IP_CSUM;
+ }
+
+ break;
+
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int brcmf_netdev_ioctl_entry(struct net_device *ndev, struct ifreq *ifr,
+ int cmd)
+{
+ struct brcmf_info *drvr_priv = *(struct brcmf_info **)
+ netdev_priv(ndev);
+ int ifidx;
+
+ ifidx = brcmf_net2idx(drvr_priv, ndev);
+ brcmf_dbg(TRACE, "ifidx %d, cmd 0x%04x\n", ifidx, cmd);
+
+ if (ifidx == BRCMF_BAD_IF)
+ return -1;
+
+ if (cmd == SIOCETHTOOL)
+ return brcmf_ethtool(drvr_priv, ifr->ifr_data);
+
+ return -EOPNOTSUPP;
+}
+
+/* called only from within this driver. Sends a command to the dongle. */
+s32 brcmf_exec_dcmd(struct net_device *ndev, u32 cmd, void *arg, u32 len)
+{
+ struct brcmf_dcmd dcmd;
+ s32 err = 0;
+ int buflen = 0;
+ bool is_set_key_cmd;
+ struct brcmf_info *drvr_priv = *(struct brcmf_info **)
+ netdev_priv(ndev);
+ int ifidx;
+
+ memset(&dcmd, 0, sizeof(dcmd));
+ dcmd.cmd = cmd;
+ dcmd.buf = arg;
+ dcmd.len = len;
+
+ ifidx = brcmf_net2idx(drvr_priv, ndev);
+
+ if (dcmd.buf != NULL)
+ buflen = min_t(uint, dcmd.len, BRCMF_DCMD_MAXLEN);
+
+ /* send to dongle (must be up, and wl) */
+ if ((drvr_priv->pub.busstate != BRCMF_BUS_DATA)) {
+ brcmf_dbg(ERROR, "DONGLE_DOWN\n");
+ err = -EIO;
+ goto done;
+ }
+
+ if (!drvr_priv->pub.iswl) {
+ err = -EIO;
+ goto done;
+ }
+
+ /*
+ * Intercept BRCMF_C_SET_KEY CMD - serialize M4 send and
+ * set key CMD to prevent M4 encryption.
+ */
+ is_set_key_cmd = ((dcmd.cmd == BRCMF_C_SET_KEY) ||
+ ((dcmd.cmd == BRCMF_C_SET_VAR) &&
+ !(strncmp("wsec_key", dcmd.buf, 9))) ||
+ ((dcmd.cmd == BRCMF_C_SET_VAR) &&
+ !(strncmp("bsscfg:wsec_key", dcmd.buf, 15))));
+ if (is_set_key_cmd)
+ brcmf_netdev_wait_pend8021x(ndev);
+
+ err = brcmf_proto_dcmd(&drvr_priv->pub, ifidx, &dcmd, buflen);
+
+done:
+ if (err > 0)
+ err = 0;
+
+ return err;
+}
+
+static int brcmf_netdev_stop(struct net_device *ndev)
+{
+ struct brcmf_pub *drvr = *(struct brcmf_pub **) netdev_priv(ndev);
+
+ brcmf_dbg(TRACE, "Enter\n");
+ brcmf_cfg80211_down(drvr->config);
+ if (drvr->up == 0)
+ return 0;
+
+ /* Set state and stop OS transmissions */
+ drvr->up = 0;
+ netif_stop_queue(ndev);
+
+ return 0;
+}
+
+static int brcmf_netdev_open(struct net_device *ndev)
+{
+ struct brcmf_info *drvr_priv = *(struct brcmf_info **)
+ netdev_priv(ndev);
+ u32 toe_ol;
+ int ifidx = brcmf_net2idx(drvr_priv, ndev);
+ s32 ret = 0;
+
+ brcmf_dbg(TRACE, "ifidx %d\n", ifidx);
+
+ if (ifidx == 0) { /* do it only for primary eth0 */
+
+ /* try to bring up bus */
+ ret = brcmf_bus_start(&drvr_priv->pub);
+ if (ret != 0) {
+ brcmf_dbg(ERROR, "failed with code %d\n", ret);
+ return -1;
+ }
+ atomic_set(&drvr_priv->pend_8021x_cnt, 0);
+
+ memcpy(ndev->dev_addr, drvr_priv->pub.mac, ETH_ALEN);
+
+ /* Get current TOE mode from dongle */
+ if (brcmf_toe_get(drvr_priv, ifidx, &toe_ol) >= 0
+ && (toe_ol & TOE_TX_CSUM_OL) != 0)
+ drvr_priv->iflist[ifidx]->ndev->features |=
+ NETIF_F_IP_CSUM;
+ else
+ drvr_priv->iflist[ifidx]->ndev->features &=
+ ~NETIF_F_IP_CSUM;
+ }
+ /* Allow transmit calls */
+ netif_start_queue(ndev);
+ drvr_priv->pub.up = 1;
+ if (brcmf_cfg80211_up(drvr_priv->pub.config)) {
+ brcmf_dbg(ERROR, "failed to bring up cfg80211\n");
+ return -1;
+ }
+
+ return ret;
+}
+
+int
+brcmf_add_if(struct brcmf_info *drvr_priv, int ifidx, struct net_device *ndev,
+ char *name, u8 *mac_addr, u32 flags, u8 bssidx)
+{
+ struct brcmf_if *ifp;
+ int ret = 0, err = 0;
+
+ brcmf_dbg(TRACE, "idx %d, handle->%p\n", ifidx, ndev);
+
+ ifp = drvr_priv->iflist[ifidx];
+ if (!ifp) {
+ ifp = kmalloc(sizeof(struct brcmf_if), GFP_ATOMIC);
+ if (!ifp)
+ return -ENOMEM;
+ }
+
+ memset(ifp, 0, sizeof(struct brcmf_if));
+ ifp->info = drvr_priv;
+ drvr_priv->iflist[ifidx] = ifp;
+ if (mac_addr != NULL)
+ memcpy(&ifp->mac_addr, mac_addr, ETH_ALEN);
+
+ if (ndev == NULL) {
+ ifp->state = BRCMF_E_IF_ADD;
+ ifp->idx = ifidx;
+ /*
+ * Delete the existing interface before overwriting it
+ * in case we missed the BRCMF_E_IF_DEL event.
+ */
+ if (ifp->ndev != NULL) {
+ brcmf_dbg(ERROR, "ERROR: netdev:%s already exists, try free & unregister\n",
+ ifp->ndev->name);
+ netif_stop_queue(ifp->ndev);
+ unregister_netdev(ifp->ndev);
+ free_netdev(ifp->ndev);
+ }
+
+ /* Allocate netdev, including space for private structure */
+ ifp->ndev = alloc_netdev(sizeof(drvr_priv), "wlan%d",
+ ether_setup);
+ if (!ifp->ndev) {
+ brcmf_dbg(ERROR, "OOM - alloc_netdev\n");
+ ret = -ENOMEM;
+ }
+
+ if (ret == 0) {
+ memcpy(netdev_priv(ifp->ndev), &drvr_priv,
+ sizeof(drvr_priv));
+ err = brcmf_net_attach(&drvr_priv->pub, ifp->idx);
+ if (err != 0) {
+ brcmf_dbg(ERROR, "brcmf_net_attach failed, err %d\n",
+ err);
+ ret = -EOPNOTSUPP;
+ } else {
+ brcmf_dbg(TRACE, " ==== pid:%x, net_device for if:%s created ===\n",
+ current->pid, ifp->ndev->name);
+ ifp->state = 0;
+ }
+ }
+
+ if (ret < 0) {
+ if (ifp->ndev)
+ free_netdev(ifp->ndev);
+
+ drvr_priv->iflist[ifp->idx] = NULL;
+ kfree(ifp);
+ }
+ } else
+ ifp->ndev = ndev;
+
+ return 0;
+}
+
+void brcmf_del_if(struct brcmf_info *drvr_priv, int ifidx)
+{
+ struct brcmf_if *ifp;
+
+ brcmf_dbg(TRACE, "idx %d\n", ifidx);
+
+ ifp = drvr_priv->iflist[ifidx];
+ if (!ifp) {
+ brcmf_dbg(ERROR, "Null interface\n");
+ return;
+ }
+
+ ifp->state = BRCMF_E_IF_DEL;
+ ifp->idx = ifidx;
+ if (ifp->ndev != NULL) {
+ netif_stop_queue(ifp->ndev);
+ unregister_netdev(ifp->ndev);
+ free_netdev(ifp->ndev);
+ drvr_priv->iflist[ifidx] = NULL;
+ kfree(ifp);
+ }
+}
+
+struct brcmf_pub *brcmf_attach(struct brcmf_bus *bus, uint bus_hdrlen)
+{
+ struct brcmf_info *drvr_priv = NULL;
+ struct net_device *ndev;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* Allocate netdev, including space for private structure */
+ ndev = alloc_netdev(sizeof(drvr_priv), "wlan%d", ether_setup);
+ if (!ndev) {
+ brcmf_dbg(ERROR, "OOM - alloc_netdev\n");
+ goto fail;
+ }
+
+ /* Allocate primary brcmf_info */
+ drvr_priv = kzalloc(sizeof(struct brcmf_info), GFP_ATOMIC);
+ if (!drvr_priv)
+ goto fail;
+
+ /*
+ * Save the brcmf_info into the priv
+ */
+ memcpy(netdev_priv(ndev), &drvr_priv, sizeof(drvr_priv));
+
+ if (brcmf_add_if(drvr_priv, 0, ndev, ndev->name, NULL, 0, 0) ==
+ BRCMF_BAD_IF)
+ goto fail;
+
+ ndev->netdev_ops = NULL;
+ mutex_init(&drvr_priv->proto_block);
+
+ /* Link to info module */
+ drvr_priv->pub.info = drvr_priv;
+
+ /* Link to bus module */
+ drvr_priv->pub.bus = bus;
+ drvr_priv->pub.hdrlen = bus_hdrlen;
+
+ /* Attach and link in the protocol */
+ if (brcmf_proto_attach(&drvr_priv->pub) != 0) {
+ brcmf_dbg(ERROR, "brcmf_prot_attach failed\n");
+ goto fail;
+ }
+
+ /* Attach and link in the cfg80211 */
+ drvr_priv->pub.config =
+ brcmf_cfg80211_attach(ndev,
+ brcmf_bus_get_device(bus),
+ &drvr_priv->pub);
+ if (drvr_priv->pub.config == NULL) {
+ brcmf_dbg(ERROR, "wl_cfg80211_attach failed\n");
+ goto fail;
+ }
+
+ INIT_WORK(&drvr_priv->setmacaddr_work, _brcmf_set_mac_address);
+ INIT_WORK(&drvr_priv->multicast_work, _brcmf_set_multicast_list);
+
+ /*
+ * Save the brcmf_info into the priv
+ */
+ memcpy(netdev_priv(ndev), &drvr_priv, sizeof(drvr_priv));
+
+ return &drvr_priv->pub;
+
+fail:
+ if (ndev)
+ free_netdev(ndev);
+ if (drvr_priv)
+ brcmf_detach(&drvr_priv->pub);
+
+ return NULL;
+}
+
+int brcmf_bus_start(struct brcmf_pub *drvr)
+{
+ int ret = -1;
+ struct brcmf_info *drvr_priv = drvr->info;
+ /* Room for "event_msgs" + '\0' + bitvec */
+ char iovbuf[BRCMF_EVENTING_MASK_LEN + 12];
+
+ brcmf_dbg(TRACE, "\n");
+
+ /* Bring up the bus */
+ ret = brcmf_sdbrcm_bus_init(&drvr_priv->pub);
+ if (ret != 0) {
+ brcmf_dbg(ERROR, "brcmf_sdbrcm_bus_init failed %d\n", ret);
+ return ret;
+ }
+
+ /* If bus is not ready, can't come up */
+ if (drvr_priv->pub.busstate != BRCMF_BUS_DATA) {
+ brcmf_dbg(ERROR, "failed bus is not ready\n");
+ return -ENODEV;
+ }
+
+ brcmu_mkiovar("event_msgs", drvr->eventmask, BRCMF_EVENTING_MASK_LEN,
+ iovbuf, sizeof(iovbuf));
+ brcmf_proto_cdc_query_dcmd(drvr, 0, BRCMF_C_GET_VAR, iovbuf,
+ sizeof(iovbuf));
+ memcpy(drvr->eventmask, iovbuf, BRCMF_EVENTING_MASK_LEN);
+
+ setbit(drvr->eventmask, BRCMF_E_SET_SSID);
+ setbit(drvr->eventmask, BRCMF_E_PRUNE);
+ setbit(drvr->eventmask, BRCMF_E_AUTH);
+ setbit(drvr->eventmask, BRCMF_E_REASSOC);
+ setbit(drvr->eventmask, BRCMF_E_REASSOC_IND);
+ setbit(drvr->eventmask, BRCMF_E_DEAUTH_IND);
+ setbit(drvr->eventmask, BRCMF_E_DISASSOC_IND);
+ setbit(drvr->eventmask, BRCMF_E_DISASSOC);
+ setbit(drvr->eventmask, BRCMF_E_JOIN);
+ setbit(drvr->eventmask, BRCMF_E_ASSOC_IND);
+ setbit(drvr->eventmask, BRCMF_E_PSK_SUP);
+ setbit(drvr->eventmask, BRCMF_E_LINK);
+ setbit(drvr->eventmask, BRCMF_E_NDIS_LINK);
+ setbit(drvr->eventmask, BRCMF_E_MIC_ERROR);
+ setbit(drvr->eventmask, BRCMF_E_PMKID_CACHE);
+ setbit(drvr->eventmask, BRCMF_E_TXFAIL);
+ setbit(drvr->eventmask, BRCMF_E_JOIN_START);
+ setbit(drvr->eventmask, BRCMF_E_SCAN_COMPLETE);
+
+/* enable dongle roaming event */
+
+ drvr->pktfilter_count = 1;
+ /* Setup filter to allow only unicast */
+ drvr->pktfilter[0] = "100 0 0 0 0x01 0x00";
+
+ /* Bus is ready, do any protocol initialization */
+ ret = brcmf_proto_init(&drvr_priv->pub);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static struct net_device_ops brcmf_netdev_ops_pri = {
+ .ndo_open = brcmf_netdev_open,
+ .ndo_stop = brcmf_netdev_stop,
+ .ndo_get_stats = brcmf_netdev_get_stats,
+ .ndo_do_ioctl = brcmf_netdev_ioctl_entry,
+ .ndo_start_xmit = brcmf_netdev_start_xmit,
+ .ndo_set_mac_address = brcmf_netdev_set_mac_address,
+ .ndo_set_multicast_list = brcmf_netdev_set_multicast_list
+};
+
+int brcmf_net_attach(struct brcmf_pub *drvr, int ifidx)
+{
+ struct brcmf_info *drvr_priv = drvr->info;
+ struct net_device *ndev;
+ u8 temp_addr[ETH_ALEN] = {
+ 0x00, 0x90, 0x4c, 0x11, 0x22, 0x33};
+
+ brcmf_dbg(TRACE, "ifidx %d\n", ifidx);
+
+ ndev = drvr_priv->iflist[ifidx]->ndev;
+ ndev->netdev_ops = &brcmf_netdev_ops_pri;
+
+ /*
+ * We have to use the primary MAC for virtual interfaces
+ */
+ if (ifidx != 0) {
+ /* for virtual interfaces use the primary MAC */
+ memcpy(temp_addr, drvr_priv->pub.mac, ETH_ALEN);
+
+ }
+
+ if (ifidx == 1) {
+ brcmf_dbg(TRACE, "ACCESS POINT MAC:\n");
+ /* ACCESSPOINT INTERFACE CASE */
+ temp_addr[0] |= 0X02; /* set bit 2 ,
+ - Locally Administered address */
+
+ }
+ ndev->hard_header_len = ETH_HLEN + drvr_priv->pub.hdrlen;
+ ndev->ethtool_ops = &brcmf_ethtool_ops;
+
+ drvr_priv->pub.rxsz = ndev->mtu + ndev->hard_header_len +
+ drvr_priv->pub.hdrlen;
+
+ memcpy(ndev->dev_addr, temp_addr, ETH_ALEN);
+
+ if (register_netdev(ndev) != 0) {
+ brcmf_dbg(ERROR, "couldn't register the net device\n");
+ goto fail;
+ }
+
+ brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name);
+
+ return 0;
+
+fail:
+ ndev->netdev_ops = NULL;
+ return -EBADE;
+}
+
+static void brcmf_bus_detach(struct brcmf_pub *drvr)
+{
+ struct brcmf_info *drvr_priv;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (drvr) {
+ drvr_priv = drvr->info;
+ if (drvr_priv) {
+ /* Stop the protocol module */
+ brcmf_proto_stop(&drvr_priv->pub);
+
+ /* Stop the bus module */
+ brcmf_sdbrcm_bus_stop(drvr_priv->pub.bus);
+ }
+ }
+}
+
+void brcmf_detach(struct brcmf_pub *drvr)
+{
+ struct brcmf_info *drvr_priv;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (drvr) {
+ drvr_priv = drvr->info;
+ if (drvr_priv) {
+ struct brcmf_if *ifp;
+ int i;
+
+ for (i = 1; i < BRCMF_MAX_IFS; i++)
+ if (drvr_priv->iflist[i])
+ brcmf_del_if(drvr_priv, i);
+
+ ifp = drvr_priv->iflist[0];
+ if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) {
+ rtnl_lock();
+ brcmf_netdev_stop(ifp->ndev);
+ rtnl_unlock();
+ unregister_netdev(ifp->ndev);
+ }
+
+ cancel_work_sync(&drvr_priv->setmacaddr_work);
+ cancel_work_sync(&drvr_priv->multicast_work);
+
+ brcmf_bus_detach(drvr);
+
+ if (drvr->prot)
+ brcmf_proto_detach(drvr);
+
+ brcmf_cfg80211_detach(drvr->config);
+
+ free_netdev(ifp->ndev);
+ kfree(ifp);
+ kfree(drvr_priv);
+ }
+ }
+}
+
+static void __exit brcmf_module_cleanup(void)
+{
+ brcmf_dbg(TRACE, "Enter\n");
+
+ brcmf_bus_unregister();
+}
+
+static int __init brcmf_module_init(void)
+{
+ int error;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ error = brcmf_bus_register();
+
+ if (error) {
+ brcmf_dbg(ERROR, "brcmf_bus_register failed\n");
+ goto failed;
+ }
+ return 0;
+
+failed:
+ return -EINVAL;
+}
+
+module_init(brcmf_module_init);
+module_exit(brcmf_module_cleanup);
+
+int brcmf_os_proto_block(struct brcmf_pub *drvr)
+{
+ struct brcmf_info *drvr_priv = drvr->info;
+
+ if (drvr_priv) {
+ mutex_lock(&drvr_priv->proto_block);
+ return 1;
+ }
+ return 0;
+}
+
+int brcmf_os_proto_unblock(struct brcmf_pub *drvr)
+{
+ struct brcmf_info *drvr_priv = drvr->info;
+
+ if (drvr_priv) {
+ mutex_unlock(&drvr_priv->proto_block);
+ return 1;
+ }
+
+ return 0;
+}
+
+static int brcmf_get_pend_8021x_cnt(struct brcmf_info *drvr_priv)
+{
+ return atomic_read(&drvr_priv->pend_8021x_cnt);
+}
+
+#define MAX_WAIT_FOR_8021X_TX 10
+
+int brcmf_netdev_wait_pend8021x(struct net_device *ndev)
+{
+ struct brcmf_info *drvr_priv = *(struct brcmf_info **)netdev_priv(ndev);
+ int timeout = 10 * HZ / 1000;
+ int ntimes = MAX_WAIT_FOR_8021X_TX;
+ int pend = brcmf_get_pend_8021x_cnt(drvr_priv);
+
+ while (ntimes && pend) {
+ if (pend) {
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(timeout);
+ set_current_state(TASK_RUNNING);
+ ntimes--;
+ }
+ pend = brcmf_get_pend_8021x_cnt(drvr_priv);
+ }
+ return pend;
+}
+
+#ifdef BCMDBG
+int brcmf_write_to_file(struct brcmf_pub *drvr, u8 *buf, int size)
+{
+ int ret = 0;
+ struct file *fp;
+ mm_segment_t old_fs;
+ loff_t pos = 0;
+
+ /* change to KERNEL_DS address limit */
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+
+ /* open file to write */
+ fp = filp_open("/tmp/mem_dump", O_WRONLY | O_CREAT, 0640);
+ if (!fp) {
+ brcmf_dbg(ERROR, "open file error\n");
+ ret = -1;
+ goto exit;
+ }
+
+ /* Write buf to file */
+ fp->f_op->write(fp, buf, size, &pos);
+
+exit:
+ /* free buf before return */
+ kfree(buf);
+ /* close file before return */
+ if (fp)
+ filp_close(fp, current->files);
+ /* restore previous address limit */
+ set_fs(old_fs);
+
+ return ret;
+}
+#endif /* BCMDBG */
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_proto.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_proto.h
new file mode 100644
index 000000000000..4ee1ea846f6d
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_proto.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCMF_PROTO_H_
+#define _BRCMF_PROTO_H_
+
+/*
+ * Exported from the brcmf protocol module (brcmf_cdc)
+ */
+
+/* Linkage, sets prot link and updates hdrlen in pub */
+extern int brcmf_proto_attach(struct brcmf_pub *drvr);
+
+/* Unlink, frees allocated protocol memory (including brcmf_proto) */
+extern void brcmf_proto_detach(struct brcmf_pub *drvr);
+
+/* Initialize protocol: sync w/dongle state.
+ * Sets dongle media info (iswl, drv_version, mac address).
+ */
+extern int brcmf_proto_init(struct brcmf_pub *drvr);
+
+/* Stop protocol: sync w/dongle state. */
+extern void brcmf_proto_stop(struct brcmf_pub *drvr);
+
+/* Add any protocol-specific data header.
+ * Caller must reserve prot_hdrlen prepend space.
+ */
+extern void brcmf_proto_hdrpush(struct brcmf_pub *, int ifidx,
+ struct sk_buff *txp);
+
+/* Remove any protocol-specific data header. */
+extern int brcmf_proto_hdrpull(struct brcmf_pub *, int *ifidx,
+ struct sk_buff *rxp);
+
+/* Use protocol to issue command to dongle */
+extern int brcmf_proto_dcmd(struct brcmf_pub *drvr, int ifidx,
+ struct brcmf_dcmd *dcmd, int len);
+
+/* Update local copy of dongle statistics */
+extern void brcmf_proto_dstats(struct brcmf_pub *drvr);
+
+extern int brcmf_c_preinit_dcmds(struct brcmf_pub *drvr);
+
+extern int brcmf_proto_cdc_set_dcmd(struct brcmf_pub *drvr, int ifidx,
+ uint cmd, void *buf, uint len);
+
+#endif /* _BRCMF_PROTO_H_ */
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
new file mode 100644
index 000000000000..6885755f4ec6
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -0,0 +1,4581 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/kthread.h>
+#include <linux/printk.h>
+#include <linux/pci_ids.h>
+#include <linux/netdevice.h>
+#include <linux/interrupt.h>
+#include <linux/sched.h>
+#include <linux/mmc/sdio.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/card.h>
+#include <linux/semaphore.h>
+#include <linux/firmware.h>
+#include <asm/unaligned.h>
+#include <defs.h>
+#include <brcmu_wifi.h>
+#include <brcmu_utils.h>
+#include <brcm_hw_ids.h>
+#include <soc.h>
+#include "sdio_host.h"
+
+#define DCMD_RESP_TIMEOUT 2000 /* In milli second */
+
+#ifdef BCMDBG
+
+#define BRCMF_TRAP_INFO_SIZE 80
+
+#define CBUF_LEN (128)
+
+struct rte_log_le {
+ __le32 buf; /* Can't be pointer on (64-bit) hosts */
+ __le32 buf_size;
+ __le32 idx;
+ char *_buf_compat; /* Redundant pointer for backward compat. */
+};
+
+struct rte_console {
+ /* Virtual UART
+ * When there is no UART (e.g. Quickturn),
+ * the host should write a complete
+ * input line directly into cbuf and then write
+ * the length into vcons_in.
+ * This may also be used when there is a real UART
+ * (at risk of conflicting with
+ * the real UART). vcons_out is currently unused.
+ */
+ uint vcons_in;
+ uint vcons_out;
+
+ /* Output (logging) buffer
+ * Console output is written to a ring buffer log_buf at index log_idx.
+ * The host may read the output when it sees log_idx advance.
+ * Output will be lost if the output wraps around faster than the host
+ * polls.
+ */
+ struct rte_log_le log_le;
+
+ /* Console input line buffer
+ * Characters are read one at a time into cbuf
+ * until <CR> is received, then
+ * the buffer is processed as a command line.
+ * Also used for virtual UART.
+ */
+ uint cbuf_idx;
+ char cbuf[CBUF_LEN];
+};
+
+#endif /* BCMDBG */
+#include <chipcommon.h>
+
+#include "dhd.h"
+#include "dhd_bus.h"
+#include "dhd_proto.h"
+#include "dhd_dbg.h"
+#include <bcmchip.h>
+
+#define TXQLEN 2048 /* bulk tx queue length */
+#define TXHI (TXQLEN - 256) /* turn on flow control above TXHI */
+#define TXLOW (TXHI - 256) /* turn off flow control below TXLOW */
+#define PRIOMASK 7
+
+#define TXRETRIES 2 /* # of retries for tx frames */
+
+#define BRCMF_RXBOUND 50 /* Default for max rx frames in
+ one scheduling */
+
+#define BRCMF_TXBOUND 20 /* Default for max tx frames in
+ one scheduling */
+
+#define BRCMF_TXMINMAX 1 /* Max tx frames if rx still pending */
+
+#define MEMBLOCK 2048 /* Block size used for downloading
+ of dongle image */
+#define MAX_DATA_BUF (32 * 1024) /* Must be large enough to hold
+ biggest possible glom */
+
+#define BRCMF_FIRSTREAD (1 << 6)
+
+
+/* SBSDIO_DEVICE_CTL */
+
+/* 1: device will assert busy signal when receiving CMD53 */
+#define SBSDIO_DEVCTL_SETBUSY 0x01
+/* 1: assertion of sdio interrupt is synchronous to the sdio clock */
+#define SBSDIO_DEVCTL_SPI_INTR_SYNC 0x02
+/* 1: mask all interrupts to host except the chipActive (rev 8) */
+#define SBSDIO_DEVCTL_CA_INT_ONLY 0x04
+/* 1: isolate internal sdio signals, put external pads in tri-state; requires
+ * sdio bus power cycle to clear (rev 9) */
+#define SBSDIO_DEVCTL_PADS_ISO 0x08
+/* Force SD->SB reset mapping (rev 11) */
+#define SBSDIO_DEVCTL_SB_RST_CTL 0x30
+/* Determined by CoreControl bit */
+#define SBSDIO_DEVCTL_RST_CORECTL 0x00
+/* Force backplane reset */
+#define SBSDIO_DEVCTL_RST_BPRESET 0x10
+/* Force no backplane reset */
+#define SBSDIO_DEVCTL_RST_NOBPRESET 0x20
+
+/* SBSDIO_FUNC1_CHIPCLKCSR */
+
+/* Force ALP request to backplane */
+#define SBSDIO_FORCE_ALP 0x01
+/* Force HT request to backplane */
+#define SBSDIO_FORCE_HT 0x02
+/* Force ILP request to backplane */
+#define SBSDIO_FORCE_ILP 0x04
+/* Make ALP ready (power up xtal) */
+#define SBSDIO_ALP_AVAIL_REQ 0x08
+/* Make HT ready (power up PLL) */
+#define SBSDIO_HT_AVAIL_REQ 0x10
+/* Squelch clock requests from HW */
+#define SBSDIO_FORCE_HW_CLKREQ_OFF 0x20
+/* Status: ALP is ready */
+#define SBSDIO_ALP_AVAIL 0x40
+/* Status: HT is ready */
+#define SBSDIO_HT_AVAIL 0x80
+
+#define SBSDIO_AVBITS (SBSDIO_HT_AVAIL | SBSDIO_ALP_AVAIL)
+#define SBSDIO_ALPAV(regval) ((regval) & SBSDIO_AVBITS)
+#define SBSDIO_HTAV(regval) (((regval) & SBSDIO_AVBITS) == SBSDIO_AVBITS)
+#define SBSDIO_ALPONLY(regval) (SBSDIO_ALPAV(regval) && !SBSDIO_HTAV(regval))
+
+#define SBSDIO_CLKAV(regval, alponly) \
+ (SBSDIO_ALPAV(regval) && (alponly ? 1 : SBSDIO_HTAV(regval)))
+
+/* direct(mapped) cis space */
+
+/* MAPPED common CIS address */
+#define SBSDIO_CIS_BASE_COMMON 0x1000
+/* maximum bytes in one CIS */
+#define SBSDIO_CIS_SIZE_LIMIT 0x200
+/* cis offset addr is < 17 bits */
+#define SBSDIO_CIS_OFT_ADDR_MASK 0x1FFFF
+
+/* manfid tuple length, include tuple, link bytes */
+#define SBSDIO_CIS_MANFID_TUPLE_LEN 6
+
+/* intstatus */
+#define I_SMB_SW0 (1 << 0) /* To SB Mail S/W interrupt 0 */
+#define I_SMB_SW1 (1 << 1) /* To SB Mail S/W interrupt 1 */
+#define I_SMB_SW2 (1 << 2) /* To SB Mail S/W interrupt 2 */
+#define I_SMB_SW3 (1 << 3) /* To SB Mail S/W interrupt 3 */
+#define I_SMB_SW_MASK 0x0000000f /* To SB Mail S/W interrupts mask */
+#define I_SMB_SW_SHIFT 0 /* To SB Mail S/W interrupts shift */
+#define I_HMB_SW0 (1 << 4) /* To Host Mail S/W interrupt 0 */
+#define I_HMB_SW1 (1 << 5) /* To Host Mail S/W interrupt 1 */
+#define I_HMB_SW2 (1 << 6) /* To Host Mail S/W interrupt 2 */
+#define I_HMB_SW3 (1 << 7) /* To Host Mail S/W interrupt 3 */
+#define I_HMB_SW_MASK 0x000000f0 /* To Host Mail S/W interrupts mask */
+#define I_HMB_SW_SHIFT 4 /* To Host Mail S/W interrupts shift */
+#define I_WR_OOSYNC (1 << 8) /* Write Frame Out Of Sync */
+#define I_RD_OOSYNC (1 << 9) /* Read Frame Out Of Sync */
+#define I_PC (1 << 10) /* descriptor error */
+#define I_PD (1 << 11) /* data error */
+#define I_DE (1 << 12) /* Descriptor protocol Error */
+#define I_RU (1 << 13) /* Receive descriptor Underflow */
+#define I_RO (1 << 14) /* Receive fifo Overflow */
+#define I_XU (1 << 15) /* Transmit fifo Underflow */
+#define I_RI (1 << 16) /* Receive Interrupt */
+#define I_BUSPWR (1 << 17) /* SDIO Bus Power Change (rev 9) */
+#define I_XMTDATA_AVAIL (1 << 23) /* bits in fifo */
+#define I_XI (1 << 24) /* Transmit Interrupt */
+#define I_RF_TERM (1 << 25) /* Read Frame Terminate */
+#define I_WF_TERM (1 << 26) /* Write Frame Terminate */
+#define I_PCMCIA_XU (1 << 27) /* PCMCIA Transmit FIFO Underflow */
+#define I_SBINT (1 << 28) /* sbintstatus Interrupt */
+#define I_CHIPACTIVE (1 << 29) /* chip from doze to active state */
+#define I_SRESET (1 << 30) /* CCCR RES interrupt */
+#define I_IOE2 (1U << 31) /* CCCR IOE2 Bit Changed */
+#define I_ERRORS (I_PC | I_PD | I_DE | I_RU | I_RO | I_XU)
+#define I_DMA (I_RI | I_XI | I_ERRORS)
+
+/* corecontrol */
+#define CC_CISRDY (1 << 0) /* CIS Ready */
+#define CC_BPRESEN (1 << 1) /* CCCR RES signal */
+#define CC_F2RDY (1 << 2) /* set CCCR IOR2 bit */
+#define CC_CLRPADSISO (1 << 3) /* clear SDIO pads isolation */
+#define CC_XMTDATAAVAIL_MODE (1 << 4)
+#define CC_XMTDATAAVAIL_CTRL (1 << 5)
+
+/* SDA_FRAMECTRL */
+#define SFC_RF_TERM (1 << 0) /* Read Frame Terminate */
+#define SFC_WF_TERM (1 << 1) /* Write Frame Terminate */
+#define SFC_CRC4WOOS (1 << 2) /* CRC error for write out of sync */
+#define SFC_ABORTALL (1 << 3) /* Abort all in-progress frames */
+
+/* HW frame tag */
+#define SDPCM_FRAMETAG_LEN 4 /* 2 bytes len, 2 bytes check val */
+
+/* Total length of frame header for dongle protocol */
+#define SDPCM_HDRLEN (SDPCM_FRAMETAG_LEN + SDPCM_SWHEADER_LEN)
+#define SDPCM_RESERVE (SDPCM_HDRLEN + BRCMF_SDALIGN)
+
+/*
+ * Software allocation of To SB Mailbox resources
+ */
+
+/* tosbmailbox bits corresponding to intstatus bits */
+#define SMB_NAK (1 << 0) /* Frame NAK */
+#define SMB_INT_ACK (1 << 1) /* Host Interrupt ACK */
+#define SMB_USE_OOB (1 << 2) /* Use OOB Wakeup */
+#define SMB_DEV_INT (1 << 3) /* Miscellaneous Interrupt */
+
+/* tosbmailboxdata */
+#define SMB_DATA_VERSION_SHIFT 16 /* host protocol version */
+
+/*
+ * Software allocation of To Host Mailbox resources
+ */
+
+/* intstatus bits */
+#define I_HMB_FC_STATE I_HMB_SW0 /* Flow Control State */
+#define I_HMB_FC_CHANGE I_HMB_SW1 /* Flow Control State Changed */
+#define I_HMB_FRAME_IND I_HMB_SW2 /* Frame Indication */
+#define I_HMB_HOST_INT I_HMB_SW3 /* Miscellaneous Interrupt */
+
+/* tohostmailboxdata */
+#define HMB_DATA_NAKHANDLED 1 /* retransmit NAK'd frame */
+#define HMB_DATA_DEVREADY 2 /* talk to host after enable */
+#define HMB_DATA_FC 4 /* per prio flowcontrol update flag */
+#define HMB_DATA_FWREADY 8 /* fw ready for protocol activity */
+
+#define HMB_DATA_FCDATA_MASK 0xff000000
+#define HMB_DATA_FCDATA_SHIFT 24
+
+#define HMB_DATA_VERSION_MASK 0x00ff0000
+#define HMB_DATA_VERSION_SHIFT 16
+
+/*
+ * Software-defined protocol header
+ */
+
+/* Current protocol version */
+#define SDPCM_PROT_VERSION 4
+
+/* SW frame header */
+#define SDPCM_PACKET_SEQUENCE(p) (((u8 *)p)[0] & 0xff)
+
+#define SDPCM_CHANNEL_MASK 0x00000f00
+#define SDPCM_CHANNEL_SHIFT 8
+#define SDPCM_PACKET_CHANNEL(p) (((u8 *)p)[1] & 0x0f)
+
+#define SDPCM_NEXTLEN_OFFSET 2
+
+/* Data Offset from SOF (HW Tag, SW Tag, Pad) */
+#define SDPCM_DOFFSET_OFFSET 3 /* Data Offset */
+#define SDPCM_DOFFSET_VALUE(p) (((u8 *)p)[SDPCM_DOFFSET_OFFSET] & 0xff)
+#define SDPCM_DOFFSET_MASK 0xff000000
+#define SDPCM_DOFFSET_SHIFT 24
+#define SDPCM_FCMASK_OFFSET 4 /* Flow control */
+#define SDPCM_FCMASK_VALUE(p) (((u8 *)p)[SDPCM_FCMASK_OFFSET] & 0xff)
+#define SDPCM_WINDOW_OFFSET 5 /* Credit based fc */
+#define SDPCM_WINDOW_VALUE(p) (((u8 *)p)[SDPCM_WINDOW_OFFSET] & 0xff)
+
+#define SDPCM_SWHEADER_LEN 8 /* SW header is 64 bits */
+
+/* logical channel numbers */
+#define SDPCM_CONTROL_CHANNEL 0 /* Control channel Id */
+#define SDPCM_EVENT_CHANNEL 1 /* Asyc Event Indication Channel Id */
+#define SDPCM_DATA_CHANNEL 2 /* Data Xmit/Recv Channel Id */
+#define SDPCM_GLOM_CHANNEL 3 /* For coalesced packets */
+#define SDPCM_TEST_CHANNEL 15 /* Reserved for test/debug packets */
+
+#define SDPCM_SEQUENCE_WRAP 256 /* wrap-around val for 8bit frame seq */
+
+#define SDPCM_GLOMDESC(p) (((u8 *)p)[1] & 0x80)
+
+/*
+ * Shared structure between dongle and the host.
+ * The structure contains pointers to trap or assert information.
+ */
+#define SDPCM_SHARED_VERSION 0x0002
+#define SDPCM_SHARED_VERSION_MASK 0x00FF
+#define SDPCM_SHARED_ASSERT_BUILT 0x0100
+#define SDPCM_SHARED_ASSERT 0x0200
+#define SDPCM_SHARED_TRAP 0x0400
+
+/* Space for header read, limit for data packets */
+#define MAX_HDR_READ (1 << 6)
+#define MAX_RX_DATASZ 2048
+
+/* Maximum milliseconds to wait for F2 to come up */
+#define BRCMF_WAIT_F2RDY 3000
+
+/* Bump up limit on waiting for HT to account for first startup;
+ * if the image is doing a CRC calculation before programming the PMU
+ * for HT availability, it could take a couple hundred ms more, so
+ * max out at a 1 second (1000000us).
+ */
+#undef PMU_MAX_TRANSITION_DLY
+#define PMU_MAX_TRANSITION_DLY 1000000
+
+/* Value for ChipClockCSR during initial setup */
+#define BRCMF_INIT_CLKCTL1 (SBSDIO_FORCE_HW_CLKREQ_OFF | \
+ SBSDIO_ALP_AVAIL_REQ)
+
+/* Flags for SDH calls */
+#define F2SYNC (SDIO_REQ_4BYTE | SDIO_REQ_FIXED)
+
+/* sbimstate */
+#define SBIM_IBE 0x20000 /* inbanderror */
+#define SBIM_TO 0x40000 /* timeout */
+#define SBIM_BY 0x01800000 /* busy (sonics >= 2.3) */
+#define SBIM_RJ 0x02000000 /* reject (sonics >= 2.3) */
+
+/* sbtmstatelow */
+
+/* reset */
+#define SBTML_RESET 0x0001
+/* reject field */
+#define SBTML_REJ_MASK 0x0006
+/* reject */
+#define SBTML_REJ 0x0002
+/* temporary reject, for error recovery */
+#define SBTML_TMPREJ 0x0004
+
+/* Shift to locate the SI control flags in sbtml */
+#define SBTML_SICF_SHIFT 16
+
+/* sbtmstatehigh */
+#define SBTMH_SERR 0x0001 /* serror */
+#define SBTMH_INT 0x0002 /* interrupt */
+#define SBTMH_BUSY 0x0004 /* busy */
+#define SBTMH_TO 0x0020 /* timeout (sonics >= 2.3) */
+
+/* Shift to locate the SI status flags in sbtmh */
+#define SBTMH_SISF_SHIFT 16
+
+/* sbidlow */
+#define SBIDL_INIT 0x80 /* initiator */
+
+/* sbidhigh */
+#define SBIDH_RC_MASK 0x000f /* revision code */
+#define SBIDH_RCE_MASK 0x7000 /* revision code extension field */
+#define SBIDH_RCE_SHIFT 8
+#define SBCOREREV(sbidh) \
+ ((((sbidh) & SBIDH_RCE_MASK) >> SBIDH_RCE_SHIFT) | \
+ ((sbidh) & SBIDH_RC_MASK))
+#define SBIDH_CC_MASK 0x8ff0 /* core code */
+#define SBIDH_CC_SHIFT 4
+#define SBIDH_VC_MASK 0xffff0000 /* vendor code */
+#define SBIDH_VC_SHIFT 16
+
+/*
+ * Conversion of 802.1D priority to precedence level
+ */
+static uint prio2prec(u32 prio)
+{
+ return (prio == PRIO_8021D_NONE || prio == PRIO_8021D_BE) ?
+ (prio^2) : prio;
+}
+
+/*
+ * Core reg address translation.
+ * Both macro's returns a 32 bits byte address on the backplane bus.
+ */
+#define CORE_CC_REG(base, field) \
+ (base + offsetof(struct chipcregs, field))
+#define CORE_BUS_REG(base, field) \
+ (base + offsetof(struct sdpcmd_regs, field))
+#define CORE_SB(base, field) \
+ (base + SBCONFIGOFF + offsetof(struct sbconfig, field))
+
+/* core registers */
+struct sdpcmd_regs {
+ u32 corecontrol; /* 0x00, rev8 */
+ u32 corestatus; /* rev8 */
+ u32 PAD[1];
+ u32 biststatus; /* rev8 */
+
+ /* PCMCIA access */
+ u16 pcmciamesportaladdr; /* 0x010, rev8 */
+ u16 PAD[1];
+ u16 pcmciamesportalmask; /* rev8 */
+ u16 PAD[1];
+ u16 pcmciawrframebc; /* rev8 */
+ u16 PAD[1];
+ u16 pcmciaunderflowtimer; /* rev8 */
+ u16 PAD[1];
+
+ /* interrupt */
+ u32 intstatus; /* 0x020, rev8 */
+ u32 hostintmask; /* rev8 */
+ u32 intmask; /* rev8 */
+ u32 sbintstatus; /* rev8 */
+ u32 sbintmask; /* rev8 */
+ u32 funcintmask; /* rev4 */
+ u32 PAD[2];
+ u32 tosbmailbox; /* 0x040, rev8 */
+ u32 tohostmailbox; /* rev8 */
+ u32 tosbmailboxdata; /* rev8 */
+ u32 tohostmailboxdata; /* rev8 */
+
+ /* synchronized access to registers in SDIO clock domain */
+ u32 sdioaccess; /* 0x050, rev8 */
+ u32 PAD[3];
+
+ /* PCMCIA frame control */
+ u8 pcmciaframectrl; /* 0x060, rev8 */
+ u8 PAD[3];
+ u8 pcmciawatermark; /* rev8 */
+ u8 PAD[155];
+
+ /* interrupt batching control */
+ u32 intrcvlazy; /* 0x100, rev8 */
+ u32 PAD[3];
+
+ /* counters */
+ u32 cmd52rd; /* 0x110, rev8 */
+ u32 cmd52wr; /* rev8 */
+ u32 cmd53rd; /* rev8 */
+ u32 cmd53wr; /* rev8 */
+ u32 abort; /* rev8 */
+ u32 datacrcerror; /* rev8 */
+ u32 rdoutofsync; /* rev8 */
+ u32 wroutofsync; /* rev8 */
+ u32 writebusy; /* rev8 */
+ u32 readwait; /* rev8 */
+ u32 readterm; /* rev8 */
+ u32 writeterm; /* rev8 */
+ u32 PAD[40];
+ u32 clockctlstatus; /* rev8 */
+ u32 PAD[7];
+
+ u32 PAD[128]; /* DMA engines */
+
+ /* SDIO/PCMCIA CIS region */
+ char cis[512]; /* 0x400-0x5ff, rev6 */
+
+ /* PCMCIA function control registers */
+ char pcmciafcr[256]; /* 0x600-6ff, rev6 */
+ u16 PAD[55];
+
+ /* PCMCIA backplane access */
+ u16 backplanecsr; /* 0x76E, rev6 */
+ u16 backplaneaddr0; /* rev6 */
+ u16 backplaneaddr1; /* rev6 */
+ u16 backplaneaddr2; /* rev6 */
+ u16 backplaneaddr3; /* rev6 */
+ u16 backplanedata0; /* rev6 */
+ u16 backplanedata1; /* rev6 */
+ u16 backplanedata2; /* rev6 */
+ u16 backplanedata3; /* rev6 */
+ u16 PAD[31];
+
+ /* sprom "size" & "blank" info */
+ u16 spromstatus; /* 0x7BE, rev2 */
+ u32 PAD[464];
+
+ u16 PAD[0x80];
+};
+
+#ifdef BCMDBG
+/* Device console log buffer state */
+struct brcmf_console {
+ uint count; /* Poll interval msec counter */
+ uint log_addr; /* Log struct address (fixed) */
+ struct rte_log_le log_le; /* Log struct (host copy) */
+ uint bufsize; /* Size of log buffer */
+ u8 *buf; /* Log buffer (host copy) */
+ uint last; /* Last buffer read index */
+};
+#endif /* BCMDBG */
+
+struct sdpcm_shared {
+ u32 flags;
+ u32 trap_addr;
+ u32 assert_exp_addr;
+ u32 assert_file_addr;
+ u32 assert_line;
+ u32 console_addr; /* Address of struct rte_console */
+ u32 msgtrace_addr;
+ u8 tag[32];
+};
+
+struct sdpcm_shared_le {
+ __le32 flags;
+ __le32 trap_addr;
+ __le32 assert_exp_addr;
+ __le32 assert_file_addr;
+ __le32 assert_line;
+ __le32 console_addr; /* Address of struct rte_console */
+ __le32 msgtrace_addr;
+ u8 tag[32];
+};
+
+
+/* misc chip info needed by some of the routines */
+struct chip_info {
+ u32 chip;
+ u32 chiprev;
+ u32 cccorebase;
+ u32 ccrev;
+ u32 cccaps;
+ u32 buscorebase; /* 32 bits backplane bus address */
+ u32 buscorerev;
+ u32 buscoretype;
+ u32 ramcorebase;
+ u32 armcorebase;
+ u32 pmurev;
+ u32 ramsize;
+};
+
+/* Private data for SDIO bus interaction */
+struct brcmf_bus {
+ struct brcmf_pub *drvr;
+
+ struct brcmf_sdio_dev *sdiodev; /* sdio device handler */
+ struct chip_info *ci; /* Chip info struct */
+ char *vars; /* Variables (from CIS and/or other) */
+ uint varsz; /* Size of variables buffer */
+
+ u32 ramsize; /* Size of RAM in SOCRAM (bytes) */
+
+ u32 hostintmask; /* Copy of Host Interrupt Mask */
+ u32 intstatus; /* Intstatus bits (events) pending */
+ bool dpc_sched; /* Indicates DPC schedule (intrpt rcvd) */
+ bool fcstate; /* State of dongle flow-control */
+
+ uint blocksize; /* Block size of SDIO transfers */
+ uint roundup; /* Max roundup limit */
+
+ struct pktq txq; /* Queue length used for flow-control */
+ u8 flowcontrol; /* per prio flow control bitmask */
+ u8 tx_seq; /* Transmit sequence number (next) */
+ u8 tx_max; /* Maximum transmit sequence allowed */
+
+ u8 hdrbuf[MAX_HDR_READ + BRCMF_SDALIGN];
+ u8 *rxhdr; /* Header of current rx frame (in hdrbuf) */
+ u16 nextlen; /* Next Read Len from last header */
+ u8 rx_seq; /* Receive sequence number (expected) */
+ bool rxskip; /* Skip receive (awaiting NAK ACK) */
+
+ uint rxbound; /* Rx frames to read before resched */
+ uint txbound; /* Tx frames to send before resched */
+ uint txminmax;
+
+ struct sk_buff *glomd; /* Packet containing glomming descriptor */
+ struct sk_buff *glom; /* Packet chain for glommed superframe */
+ uint glomerr; /* Glom packet read errors */
+
+ u8 *rxbuf; /* Buffer for receiving control packets */
+ uint rxblen; /* Allocated length of rxbuf */
+ u8 *rxctl; /* Aligned pointer into rxbuf */
+ u8 *databuf; /* Buffer for receiving big glom packet */
+ u8 *dataptr; /* Aligned pointer into databuf */
+ uint rxlen; /* Length of valid data in buffer */
+
+ u8 sdpcm_ver; /* Bus protocol reported by dongle */
+
+ bool intr; /* Use interrupts */
+ bool poll; /* Use polling */
+ bool ipend; /* Device interrupt is pending */
+ uint intrcount; /* Count of device interrupt callbacks */
+ uint lastintrs; /* Count as of last watchdog timer */
+ uint spurious; /* Count of spurious interrupts */
+ uint pollrate; /* Ticks between device polls */
+ uint polltick; /* Tick counter */
+ uint pollcnt; /* Count of active polls */
+
+#ifdef BCMDBG
+ uint console_interval;
+ struct brcmf_console console; /* Console output polling support */
+ uint console_addr; /* Console address from shared struct */
+#endif /* BCMDBG */
+
+ uint regfails; /* Count of R_REG failures */
+
+ uint clkstate; /* State of sd and backplane clock(s) */
+ bool activity; /* Activity flag for clock down */
+ s32 idletime; /* Control for activity timeout */
+ s32 idlecount; /* Activity timeout counter */
+ s32 idleclock; /* How to set bus driver when idle */
+ s32 sd_rxchain;
+ bool use_rxchain; /* If brcmf should use PKT chains */
+ bool sleeping; /* Is SDIO bus sleeping? */
+ bool rxflow_mode; /* Rx flow control mode */
+ bool rxflow; /* Is rx flow control on */
+ bool alp_only; /* Don't use HT clock (ALP only) */
+/* Field to decide if rx of control frames happen in rxbuf or lb-pool */
+ bool usebufpool;
+
+ /* Some additional counters */
+ uint tx_sderrs; /* Count of tx attempts with sd errors */
+ uint fcqueued; /* Tx packets that got queued */
+ uint rxrtx; /* Count of rtx requests (NAK to dongle) */
+ uint rx_toolong; /* Receive frames too long to receive */
+ uint rxc_errors; /* SDIO errors when reading control frames */
+ uint rx_hdrfail; /* SDIO errors on header reads */
+ uint rx_badhdr; /* Bad received headers (roosync?) */
+ uint rx_badseq; /* Mismatched rx sequence number */
+ uint fc_rcvd; /* Number of flow-control events received */
+ uint fc_xoff; /* Number which turned on flow-control */
+ uint fc_xon; /* Number which turned off flow-control */
+ uint rxglomfail; /* Failed deglom attempts */
+ uint rxglomframes; /* Number of glom frames (superframes) */
+ uint rxglompkts; /* Number of packets from glom frames */
+ uint f2rxhdrs; /* Number of header reads */
+ uint f2rxdata; /* Number of frame data reads */
+ uint f2txdata; /* Number of f2 frame writes */
+ uint f1regdata; /* Number of f1 register accesses */
+
+ u8 *ctrl_frame_buf;
+ u32 ctrl_frame_len;
+ bool ctrl_frame_stat;
+
+ spinlock_t txqlock;
+ wait_queue_head_t ctrl_wait;
+ wait_queue_head_t dcmd_resp_wait;
+
+ struct timer_list timer;
+ struct completion watchdog_wait;
+ struct task_struct *watchdog_tsk;
+ bool wd_timer_valid;
+ uint save_ms;
+
+ struct task_struct *dpc_tsk;
+ struct completion dpc_wait;
+
+ struct semaphore sdsem;
+
+ const char *fw_name;
+ const struct firmware *firmware;
+ const char *nv_name;
+ u32 fw_ptr;
+};
+
+struct sbconfig {
+ u32 PAD[2];
+ u32 sbipsflag; /* initiator port ocp slave flag */
+ u32 PAD[3];
+ u32 sbtpsflag; /* target port ocp slave flag */
+ u32 PAD[11];
+ u32 sbtmerrloga; /* (sonics >= 2.3) */
+ u32 PAD;
+ u32 sbtmerrlog; /* (sonics >= 2.3) */
+ u32 PAD[3];
+ u32 sbadmatch3; /* address match3 */
+ u32 PAD;
+ u32 sbadmatch2; /* address match2 */
+ u32 PAD;
+ u32 sbadmatch1; /* address match1 */
+ u32 PAD[7];
+ u32 sbimstate; /* initiator agent state */
+ u32 sbintvec; /* interrupt mask */
+ u32 sbtmstatelow; /* target state */
+ u32 sbtmstatehigh; /* target state */
+ u32 sbbwa0; /* bandwidth allocation table0 */
+ u32 PAD;
+ u32 sbimconfiglow; /* initiator configuration */
+ u32 sbimconfighigh; /* initiator configuration */
+ u32 sbadmatch0; /* address match0 */
+ u32 PAD;
+ u32 sbtmconfiglow; /* target configuration */
+ u32 sbtmconfighigh; /* target configuration */
+ u32 sbbconfig; /* broadcast configuration */
+ u32 PAD;
+ u32 sbbstate; /* broadcast state */
+ u32 PAD[3];
+ u32 sbactcnfg; /* activate configuration */
+ u32 PAD[3];
+ u32 sbflagst; /* current sbflags */
+ u32 PAD[3];
+ u32 sbidlow; /* identification */
+ u32 sbidhigh; /* identification */
+};
+
+/* clkstate */
+#define CLK_NONE 0
+#define CLK_SDONLY 1
+#define CLK_PENDING 2 /* Not used yet */
+#define CLK_AVAIL 3
+
+#ifdef BCMDBG
+static int qcount[NUMPRIO];
+static int tx_packets[NUMPRIO];
+#endif /* BCMDBG */
+
+#define SDIO_DRIVE_STRENGTH 6 /* in milliamps */
+
+#define RETRYCHAN(chan) ((chan) == SDPCM_EVENT_CHANNEL)
+
+/* Retry count for register access failures */
+static const uint retry_limit = 2;
+
+/* Limit on rounding up frames */
+static const uint max_roundup = 512;
+
+#define ALIGNMENT 4
+
+static void pkt_align(struct sk_buff *p, int len, int align)
+{
+ uint datalign;
+ datalign = (unsigned long)(p->data);
+ datalign = roundup(datalign, (align)) - datalign;
+ if (datalign)
+ skb_pull(p, datalign);
+ __skb_trim(p, len);
+}
+
+/* To check if there's window offered */
+static bool data_ok(struct brcmf_bus *bus)
+{
+ return (u8)(bus->tx_max - bus->tx_seq) != 0 &&
+ ((u8)(bus->tx_max - bus->tx_seq) & 0x80) == 0;
+}
+
+/*
+ * Reads a register in the SDIO hardware block. This block occupies a series of
+ * adresses on the 32 bit backplane bus.
+ */
+static void
+r_sdreg32(struct brcmf_bus *bus, u32 *regvar, u32 reg_offset, u32 *retryvar)
+{
+ *retryvar = 0;
+ do {
+ *regvar = brcmf_sdcard_reg_read(bus->sdiodev,
+ bus->ci->buscorebase + reg_offset, sizeof(u32));
+ } while (brcmf_sdcard_regfail(bus->sdiodev) &&
+ (++(*retryvar) <= retry_limit));
+ if (*retryvar) {
+ bus->regfails += (*retryvar-1);
+ if (*retryvar > retry_limit) {
+ brcmf_dbg(ERROR, "FAILED READ %Xh\n", reg_offset);
+ *regvar = 0;
+ }
+ }
+}
+
+static void
+w_sdreg32(struct brcmf_bus *bus, u32 regval, u32 reg_offset, u32 *retryvar)
+{
+ *retryvar = 0;
+ do {
+ brcmf_sdcard_reg_write(bus->sdiodev,
+ bus->ci->buscorebase + reg_offset,
+ sizeof(u32), regval);
+ } while (brcmf_sdcard_regfail(bus->sdiodev) &&
+ (++(*retryvar) <= retry_limit));
+ if (*retryvar) {
+ bus->regfails += (*retryvar-1);
+ if (*retryvar > retry_limit)
+ brcmf_dbg(ERROR, "FAILED REGISTER WRITE %Xh\n",
+ reg_offset);
+ }
+}
+
+#define PKT_AVAILABLE() (intstatus & I_HMB_FRAME_IND)
+
+#define HOSTINTMASK (I_HMB_SW_MASK | I_CHIPACTIVE)
+
+/* Packet free applicable unconditionally for sdio and sdspi.
+ * Conditional if bufpool was present for gspi bus.
+ */
+static void brcmf_sdbrcm_pktfree2(struct brcmf_bus *bus, struct sk_buff *pkt)
+{
+ if (bus->usebufpool)
+ brcmu_pkt_buf_free_skb(pkt);
+}
+
+/* Turn backplane clock on or off */
+static int brcmf_sdbrcm_htclk(struct brcmf_bus *bus, bool on, bool pendok)
+{
+ int err;
+ u8 clkctl, clkreq, devctl;
+ unsigned long timeout;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ clkctl = 0;
+
+ if (on) {
+ /* Request HT Avail */
+ clkreq =
+ bus->alp_only ? SBSDIO_ALP_AVAIL_REQ : SBSDIO_HT_AVAIL_REQ;
+
+ if ((bus->ci->chip == BCM4329_CHIP_ID)
+ && (bus->ci->chiprev == 0))
+ clkreq |= SBSDIO_FORCE_ALP;
+
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR, clkreq, &err);
+ if (err) {
+ brcmf_dbg(ERROR, "HT Avail request error: %d\n", err);
+ return -EBADE;
+ }
+
+ if (pendok && ((bus->ci->buscoretype == PCMCIA_CORE_ID)
+ && (bus->ci->buscorerev == 9))) {
+ u32 dummy, retries;
+ r_sdreg32(bus, &dummy,
+ offsetof(struct sdpcmd_regs, clockctlstatus),
+ &retries);
+ }
+
+ /* Check current status */
+ clkctl = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR, &err);
+ if (err) {
+ brcmf_dbg(ERROR, "HT Avail read error: %d\n", err);
+ return -EBADE;
+ }
+
+ /* Go to pending and await interrupt if appropriate */
+ if (!SBSDIO_CLKAV(clkctl, bus->alp_only) && pendok) {
+ /* Allow only clock-available interrupt */
+ devctl = brcmf_sdcard_cfg_read(bus->sdiodev,
+ SDIO_FUNC_1,
+ SBSDIO_DEVICE_CTL, &err);
+ if (err) {
+ brcmf_dbg(ERROR, "Devctl error setting CA: %d\n",
+ err);
+ return -EBADE;
+ }
+
+ devctl |= SBSDIO_DEVCTL_CA_INT_ONLY;
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_DEVICE_CTL, devctl, &err);
+ brcmf_dbg(INFO, "CLKCTL: set PENDING\n");
+ bus->clkstate = CLK_PENDING;
+
+ return 0;
+ } else if (bus->clkstate == CLK_PENDING) {
+ /* Cancel CA-only interrupt filter */
+ devctl =
+ brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_DEVICE_CTL, &err);
+ devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY;
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_DEVICE_CTL, devctl, &err);
+ }
+
+ /* Otherwise, wait here (polling) for HT Avail */
+ timeout = jiffies +
+ msecs_to_jiffies(PMU_MAX_TRANSITION_DLY/1000);
+ while (!SBSDIO_CLKAV(clkctl, bus->alp_only)) {
+ clkctl = brcmf_sdcard_cfg_read(bus->sdiodev,
+ SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR,
+ &err);
+ if (time_after(jiffies, timeout))
+ break;
+ else
+ usleep_range(5000, 10000);
+ }
+ if (err) {
+ brcmf_dbg(ERROR, "HT Avail request error: %d\n", err);
+ return -EBADE;
+ }
+ if (!SBSDIO_CLKAV(clkctl, bus->alp_only)) {
+ brcmf_dbg(ERROR, "HT Avail timeout (%d): clkctl 0x%02x\n",
+ PMU_MAX_TRANSITION_DLY, clkctl);
+ return -EBADE;
+ }
+
+ /* Mark clock available */
+ bus->clkstate = CLK_AVAIL;
+ brcmf_dbg(INFO, "CLKCTL: turned ON\n");
+
+#if defined(BCMDBG)
+ if (bus->alp_only != true) {
+ if (SBSDIO_ALPONLY(clkctl))
+ brcmf_dbg(ERROR, "HT Clock should be on\n");
+ }
+#endif /* defined (BCMDBG) */
+
+ bus->activity = true;
+ } else {
+ clkreq = 0;
+
+ if (bus->clkstate == CLK_PENDING) {
+ /* Cancel CA-only interrupt filter */
+ devctl = brcmf_sdcard_cfg_read(bus->sdiodev,
+ SDIO_FUNC_1,
+ SBSDIO_DEVICE_CTL, &err);
+ devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY;
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_DEVICE_CTL, devctl, &err);
+ }
+
+ bus->clkstate = CLK_SDONLY;
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR, clkreq, &err);
+ brcmf_dbg(INFO, "CLKCTL: turned OFF\n");
+ if (err) {
+ brcmf_dbg(ERROR, "Failed access turning clock off: %d\n",
+ err);
+ return -EBADE;
+ }
+ }
+ return 0;
+}
+
+/* Change idle/active SD state */
+static int brcmf_sdbrcm_sdclk(struct brcmf_bus *bus, bool on)
+{
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (on)
+ bus->clkstate = CLK_SDONLY;
+ else
+ bus->clkstate = CLK_NONE;
+
+ return 0;
+}
+
+/* Transition SD and backplane clock readiness */
+static int brcmf_sdbrcm_clkctl(struct brcmf_bus *bus, uint target, bool pendok)
+{
+#ifdef BCMDBG
+ uint oldstate = bus->clkstate;
+#endif /* BCMDBG */
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* Early exit if we're already there */
+ if (bus->clkstate == target) {
+ if (target == CLK_AVAIL) {
+ brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
+ bus->activity = true;
+ }
+ return 0;
+ }
+
+ switch (target) {
+ case CLK_AVAIL:
+ /* Make sure SD clock is available */
+ if (bus->clkstate == CLK_NONE)
+ brcmf_sdbrcm_sdclk(bus, true);
+ /* Now request HT Avail on the backplane */
+ brcmf_sdbrcm_htclk(bus, true, pendok);
+ brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
+ bus->activity = true;
+ break;
+
+ case CLK_SDONLY:
+ /* Remove HT request, or bring up SD clock */
+ if (bus->clkstate == CLK_NONE)
+ brcmf_sdbrcm_sdclk(bus, true);
+ else if (bus->clkstate == CLK_AVAIL)
+ brcmf_sdbrcm_htclk(bus, false, false);
+ else
+ brcmf_dbg(ERROR, "request for %d -> %d\n",
+ bus->clkstate, target);
+ brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
+ break;
+
+ case CLK_NONE:
+ /* Make sure to remove HT request */
+ if (bus->clkstate == CLK_AVAIL)
+ brcmf_sdbrcm_htclk(bus, false, false);
+ /* Now remove the SD clock */
+ brcmf_sdbrcm_sdclk(bus, false);
+ brcmf_sdbrcm_wd_timer(bus, 0);
+ break;
+ }
+#ifdef BCMDBG
+ brcmf_dbg(INFO, "%d -> %d\n", oldstate, bus->clkstate);
+#endif /* BCMDBG */
+
+ return 0;
+}
+
+static int brcmf_sdbrcm_bussleep(struct brcmf_bus *bus, bool sleep)
+{
+ uint retries = 0;
+
+ brcmf_dbg(INFO, "request %s (currently %s)\n",
+ sleep ? "SLEEP" : "WAKE",
+ bus->sleeping ? "SLEEP" : "WAKE");
+
+ /* Done if we're already in the requested state */
+ if (sleep == bus->sleeping)
+ return 0;
+
+ /* Going to sleep: set the alarm and turn off the lights... */
+ if (sleep) {
+ /* Don't sleep if something is pending */
+ if (bus->dpc_sched || bus->rxskip || pktq_len(&bus->txq))
+ return -EBUSY;
+
+ /* Make sure the controller has the bus up */
+ brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false);
+
+ /* Tell device to start using OOB wakeup */
+ w_sdreg32(bus, SMB_USE_OOB,
+ offsetof(struct sdpcmd_regs, tosbmailbox), &retries);
+ if (retries > retry_limit)
+ brcmf_dbg(ERROR, "CANNOT SIGNAL CHIP, WILL NOT WAKE UP!!\n");
+
+ /* Turn off our contribution to the HT clock request */
+ brcmf_sdbrcm_clkctl(bus, CLK_SDONLY, false);
+
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR,
+ SBSDIO_FORCE_HW_CLKREQ_OFF, NULL);
+
+ /* Isolate the bus */
+ if (bus->ci->chip != BCM4329_CHIP_ID) {
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_DEVICE_CTL,
+ SBSDIO_DEVCTL_PADS_ISO, NULL);
+ }
+
+ /* Change state */
+ bus->sleeping = true;
+
+ } else {
+ /* Waking up: bus power up is ok, set local state */
+
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL);
+
+ /* Force pad isolation off if possible
+ (in case power never toggled) */
+ if ((bus->ci->buscoretype == PCMCIA_CORE_ID)
+ && (bus->ci->buscorerev >= 10))
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_DEVICE_CTL, 0, NULL);
+
+ /* Make sure the controller has the bus up */
+ brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false);
+
+ /* Send misc interrupt to indicate OOB not needed */
+ w_sdreg32(bus, 0, offsetof(struct sdpcmd_regs, tosbmailboxdata),
+ &retries);
+ if (retries <= retry_limit)
+ w_sdreg32(bus, SMB_DEV_INT,
+ offsetof(struct sdpcmd_regs, tosbmailbox),
+ &retries);
+
+ if (retries > retry_limit)
+ brcmf_dbg(ERROR, "CANNOT SIGNAL CHIP TO CLEAR OOB!!\n");
+
+ /* Make sure we have SD bus access */
+ brcmf_sdbrcm_clkctl(bus, CLK_SDONLY, false);
+
+ /* Change state */
+ bus->sleeping = false;
+ }
+
+ return 0;
+}
+
+static void bus_wake(struct brcmf_bus *bus)
+{
+ if (bus->sleeping)
+ brcmf_sdbrcm_bussleep(bus, false);
+}
+
+static u32 brcmf_sdbrcm_hostmail(struct brcmf_bus *bus)
+{
+ u32 intstatus = 0;
+ u32 hmb_data;
+ u8 fcbits;
+ uint retries = 0;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* Read mailbox data and ack that we did so */
+ r_sdreg32(bus, &hmb_data,
+ offsetof(struct sdpcmd_regs, tohostmailboxdata), &retries);
+
+ if (retries <= retry_limit)
+ w_sdreg32(bus, SMB_INT_ACK,
+ offsetof(struct sdpcmd_regs, tosbmailbox), &retries);
+ bus->f1regdata += 2;
+
+ /* Dongle recomposed rx frames, accept them again */
+ if (hmb_data & HMB_DATA_NAKHANDLED) {
+ brcmf_dbg(INFO, "Dongle reports NAK handled, expect rtx of %d\n",
+ bus->rx_seq);
+ if (!bus->rxskip)
+ brcmf_dbg(ERROR, "unexpected NAKHANDLED!\n");
+
+ bus->rxskip = false;
+ intstatus |= I_HMB_FRAME_IND;
+ }
+
+ /*
+ * DEVREADY does not occur with gSPI.
+ */
+ if (hmb_data & (HMB_DATA_DEVREADY | HMB_DATA_FWREADY)) {
+ bus->sdpcm_ver =
+ (hmb_data & HMB_DATA_VERSION_MASK) >>
+ HMB_DATA_VERSION_SHIFT;
+ if (bus->sdpcm_ver != SDPCM_PROT_VERSION)
+ brcmf_dbg(ERROR, "Version mismatch, dongle reports %d, "
+ "expecting %d\n",
+ bus->sdpcm_ver, SDPCM_PROT_VERSION);
+ else
+ brcmf_dbg(INFO, "Dongle ready, protocol version %d\n",
+ bus->sdpcm_ver);
+ }
+
+ /*
+ * Flow Control has been moved into the RX headers and this out of band
+ * method isn't used any more.
+ * remaining backward compatible with older dongles.
+ */
+ if (hmb_data & HMB_DATA_FC) {
+ fcbits = (hmb_data & HMB_DATA_FCDATA_MASK) >>
+ HMB_DATA_FCDATA_SHIFT;
+
+ if (fcbits & ~bus->flowcontrol)
+ bus->fc_xoff++;
+
+ if (bus->flowcontrol & ~fcbits)
+ bus->fc_xon++;
+
+ bus->fc_rcvd++;
+ bus->flowcontrol = fcbits;
+ }
+
+ /* Shouldn't be any others */
+ if (hmb_data & ~(HMB_DATA_DEVREADY |
+ HMB_DATA_NAKHANDLED |
+ HMB_DATA_FC |
+ HMB_DATA_FWREADY |
+ HMB_DATA_FCDATA_MASK | HMB_DATA_VERSION_MASK))
+ brcmf_dbg(ERROR, "Unknown mailbox data content: 0x%02x\n",
+ hmb_data);
+
+ return intstatus;
+}
+
+static void brcmf_sdbrcm_rxfail(struct brcmf_bus *bus, bool abort, bool rtx)
+{
+ uint retries = 0;
+ u16 lastrbc;
+ u8 hi, lo;
+ int err;
+
+ brcmf_dbg(ERROR, "%sterminate frame%s\n",
+ abort ? "abort command, " : "",
+ rtx ? ", send NAK" : "");
+
+ if (abort)
+ brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
+
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_FRAMECTRL,
+ SFC_RF_TERM, &err);
+ bus->f1regdata++;
+
+ /* Wait until the packet has been flushed (device/FIFO stable) */
+ for (lastrbc = retries = 0xffff; retries > 0; retries--) {
+ hi = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_RFRAMEBCHI, NULL);
+ lo = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_RFRAMEBCLO, NULL);
+ bus->f1regdata += 2;
+
+ if ((hi == 0) && (lo == 0))
+ break;
+
+ if ((hi > (lastrbc >> 8)) && (lo > (lastrbc & 0x00ff))) {
+ brcmf_dbg(ERROR, "count growing: last 0x%04x now 0x%04x\n",
+ lastrbc, (hi << 8) + lo);
+ }
+ lastrbc = (hi << 8) + lo;
+ }
+
+ if (!retries)
+ brcmf_dbg(ERROR, "count never zeroed: last 0x%04x\n", lastrbc);
+ else
+ brcmf_dbg(INFO, "flush took %d iterations\n", 0xffff - retries);
+
+ if (rtx) {
+ bus->rxrtx++;
+ w_sdreg32(bus, SMB_NAK,
+ offsetof(struct sdpcmd_regs, tosbmailbox), &retries);
+
+ bus->f1regdata++;
+ if (retries <= retry_limit)
+ bus->rxskip = true;
+ }
+
+ /* Clear partial in any case */
+ bus->nextlen = 0;
+
+ /* If we can't reach the device, signal failure */
+ if (err || brcmf_sdcard_regfail(bus->sdiodev))
+ bus->drvr->busstate = BRCMF_BUS_DOWN;
+}
+
+static u8 brcmf_sdbrcm_rxglom(struct brcmf_bus *bus, u8 rxseq)
+{
+ u16 dlen, totlen;
+ u8 *dptr, num = 0;
+
+ u16 sublen, check;
+ struct sk_buff *pfirst, *plast, *pnext, *save_pfirst;
+
+ int errcode;
+ u8 chan, seq, doff, sfdoff;
+ u8 txmax;
+
+ int ifidx = 0;
+ bool usechain = bus->use_rxchain;
+
+ /* If packets, issue read(s) and send up packet chain */
+ /* Return sequence numbers consumed? */
+
+ brcmf_dbg(TRACE, "start: glomd %p glom %p\n", bus->glomd, bus->glom);
+
+ /* If there's a descriptor, generate the packet chain */
+ if (bus->glomd) {
+ pfirst = plast = pnext = NULL;
+ dlen = (u16) (bus->glomd->len);
+ dptr = bus->glomd->data;
+ if (!dlen || (dlen & 1)) {
+ brcmf_dbg(ERROR, "bad glomd len(%d), ignore descriptor\n",
+ dlen);
+ dlen = 0;
+ }
+
+ for (totlen = num = 0; dlen; num++) {
+ /* Get (and move past) next length */
+ sublen = get_unaligned_le16(dptr);
+ dlen -= sizeof(u16);
+ dptr += sizeof(u16);
+ if ((sublen < SDPCM_HDRLEN) ||
+ ((num == 0) && (sublen < (2 * SDPCM_HDRLEN)))) {
+ brcmf_dbg(ERROR, "descriptor len %d bad: %d\n",
+ num, sublen);
+ pnext = NULL;
+ break;
+ }
+ if (sublen % BRCMF_SDALIGN) {
+ brcmf_dbg(ERROR, "sublen %d not multiple of %d\n",
+ sublen, BRCMF_SDALIGN);
+ usechain = false;
+ }
+ totlen += sublen;
+
+ /* For last frame, adjust read len so total
+ is a block multiple */
+ if (!dlen) {
+ sublen +=
+ (roundup(totlen, bus->blocksize) - totlen);
+ totlen = roundup(totlen, bus->blocksize);
+ }
+
+ /* Allocate/chain packet for next subframe */
+ pnext = brcmu_pkt_buf_get_skb(sublen + BRCMF_SDALIGN);
+ if (pnext == NULL) {
+ brcmf_dbg(ERROR, "bcm_pkt_buf_get_skb failed, num %d len %d\n",
+ num, sublen);
+ break;
+ }
+ if (!pfirst) {
+ pfirst = plast = pnext;
+ } else {
+ plast->next = pnext;
+ plast = pnext;
+ }
+
+ /* Adhere to start alignment requirements */
+ pkt_align(pnext, sublen, BRCMF_SDALIGN);
+ }
+
+ /* If all allocations succeeded, save packet chain
+ in bus structure */
+ if (pnext) {
+ brcmf_dbg(GLOM, "allocated %d-byte packet chain for %d subframes\n",
+ totlen, num);
+ if (BRCMF_GLOM_ON() && bus->nextlen &&
+ totlen != bus->nextlen) {
+ brcmf_dbg(GLOM, "glomdesc mismatch: nextlen %d glomdesc %d rxseq %d\n",
+ bus->nextlen, totlen, rxseq);
+ }
+ bus->glom = pfirst;
+ pfirst = pnext = NULL;
+ } else {
+ if (pfirst)
+ brcmu_pkt_buf_free_skb(pfirst);
+ bus->glom = NULL;
+ num = 0;
+ }
+
+ /* Done with descriptor packet */
+ brcmu_pkt_buf_free_skb(bus->glomd);
+ bus->glomd = NULL;
+ bus->nextlen = 0;
+ }
+
+ /* Ok -- either we just generated a packet chain,
+ or had one from before */
+ if (bus->glom) {
+ if (BRCMF_GLOM_ON()) {
+ brcmf_dbg(GLOM, "try superframe read, packet chain:\n");
+ for (pnext = bus->glom; pnext; pnext = pnext->next) {
+ brcmf_dbg(GLOM, " %p: %p len 0x%04x (%d)\n",
+ pnext, (u8 *) (pnext->data),
+ pnext->len, pnext->len);
+ }
+ }
+
+ pfirst = bus->glom;
+ dlen = (u16) brcmu_pkttotlen(pfirst);
+
+ /* Do an SDIO read for the superframe. Configurable iovar to
+ * read directly into the chained packet, or allocate a large
+ * packet and and copy into the chain.
+ */
+ if (usechain) {
+ errcode = brcmf_sdcard_recv_buf(bus->sdiodev,
+ bus->sdiodev->sbwad,
+ SDIO_FUNC_2,
+ F2SYNC, (u8 *) pfirst->data, dlen,
+ pfirst);
+ } else if (bus->dataptr) {
+ errcode = brcmf_sdcard_recv_buf(bus->sdiodev,
+ bus->sdiodev->sbwad,
+ SDIO_FUNC_2,
+ F2SYNC, bus->dataptr, dlen,
+ NULL);
+ sublen = (u16) brcmu_pktfrombuf(pfirst, 0, dlen,
+ bus->dataptr);
+ if (sublen != dlen) {
+ brcmf_dbg(ERROR, "FAILED TO COPY, dlen %d sublen %d\n",
+ dlen, sublen);
+ errcode = -1;
+ }
+ pnext = NULL;
+ } else {
+ brcmf_dbg(ERROR, "COULDN'T ALLOC %d-BYTE GLOM, FORCE FAILURE\n",
+ dlen);
+ errcode = -1;
+ }
+ bus->f2rxdata++;
+
+ /* On failure, kill the superframe, allow a couple retries */
+ if (errcode < 0) {
+ brcmf_dbg(ERROR, "glom read of %d bytes failed: %d\n",
+ dlen, errcode);
+ bus->drvr->rx_errors++;
+
+ if (bus->glomerr++ < 3) {
+ brcmf_sdbrcm_rxfail(bus, true, true);
+ } else {
+ bus->glomerr = 0;
+ brcmf_sdbrcm_rxfail(bus, true, false);
+ brcmu_pkt_buf_free_skb(bus->glom);
+ bus->rxglomfail++;
+ bus->glom = NULL;
+ }
+ return 0;
+ }
+#ifdef BCMDBG
+ if (BRCMF_GLOM_ON()) {
+ printk(KERN_DEBUG "SUPERFRAME:\n");
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
+ pfirst->data, min_t(int, pfirst->len, 48));
+ }
+#endif
+
+ /* Validate the superframe header */
+ dptr = (u8 *) (pfirst->data);
+ sublen = get_unaligned_le16(dptr);
+ check = get_unaligned_le16(dptr + sizeof(u16));
+
+ chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]);
+ seq = SDPCM_PACKET_SEQUENCE(&dptr[SDPCM_FRAMETAG_LEN]);
+ bus->nextlen = dptr[SDPCM_FRAMETAG_LEN + SDPCM_NEXTLEN_OFFSET];
+ if ((bus->nextlen << 4) > MAX_RX_DATASZ) {
+ brcmf_dbg(INFO, "nextlen too large (%d) seq %d\n",
+ bus->nextlen, seq);
+ bus->nextlen = 0;
+ }
+ doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]);
+ txmax = SDPCM_WINDOW_VALUE(&dptr[SDPCM_FRAMETAG_LEN]);
+
+ errcode = 0;
+ if ((u16)~(sublen ^ check)) {
+ brcmf_dbg(ERROR, "(superframe): HW hdr error: len/check 0x%04x/0x%04x\n",
+ sublen, check);
+ errcode = -1;
+ } else if (roundup(sublen, bus->blocksize) != dlen) {
+ brcmf_dbg(ERROR, "(superframe): len 0x%04x, rounded 0x%04x, expect 0x%04x\n",
+ sublen, roundup(sublen, bus->blocksize),
+ dlen);
+ errcode = -1;
+ } else if (SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]) !=
+ SDPCM_GLOM_CHANNEL) {
+ brcmf_dbg(ERROR, "(superframe): bad channel %d\n",
+ SDPCM_PACKET_CHANNEL(
+ &dptr[SDPCM_FRAMETAG_LEN]));
+ errcode = -1;
+ } else if (SDPCM_GLOMDESC(&dptr[SDPCM_FRAMETAG_LEN])) {
+ brcmf_dbg(ERROR, "(superframe): got 2nd descriptor?\n");
+ errcode = -1;
+ } else if ((doff < SDPCM_HDRLEN) ||
+ (doff > (pfirst->len - SDPCM_HDRLEN))) {
+ brcmf_dbg(ERROR, "(superframe): Bad data offset %d: HW %d pkt %d min %d\n",
+ doff, sublen, pfirst->len, SDPCM_HDRLEN);
+ errcode = -1;
+ }
+
+ /* Check sequence number of superframe SW header */
+ if (rxseq != seq) {
+ brcmf_dbg(INFO, "(superframe) rx_seq %d, expected %d\n",
+ seq, rxseq);
+ bus->rx_badseq++;
+ rxseq = seq;
+ }
+
+ /* Check window for sanity */
+ if ((u8) (txmax - bus->tx_seq) > 0x40) {
+ brcmf_dbg(ERROR, "unlikely tx max %d with tx_seq %d\n",
+ txmax, bus->tx_seq);
+ txmax = bus->tx_seq + 2;
+ }
+ bus->tx_max = txmax;
+
+ /* Remove superframe header, remember offset */
+ skb_pull(pfirst, doff);
+ sfdoff = doff;
+
+ /* Validate all the subframe headers */
+ for (num = 0, pnext = pfirst; pnext && !errcode;
+ num++, pnext = pnext->next) {
+ dptr = (u8 *) (pnext->data);
+ dlen = (u16) (pnext->len);
+ sublen = get_unaligned_le16(dptr);
+ check = get_unaligned_le16(dptr + sizeof(u16));
+ chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]);
+ doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]);
+#ifdef BCMDBG
+ if (BRCMF_GLOM_ON()) {
+ printk(KERN_DEBUG "subframe:\n");
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
+ dptr, 32);
+ }
+#endif
+
+ if ((u16)~(sublen ^ check)) {
+ brcmf_dbg(ERROR, "(subframe %d): HW hdr error: len/check 0x%04x/0x%04x\n",
+ num, sublen, check);
+ errcode = -1;
+ } else if ((sublen > dlen) || (sublen < SDPCM_HDRLEN)) {
+ brcmf_dbg(ERROR, "(subframe %d): length mismatch: len 0x%04x, expect 0x%04x\n",
+ num, sublen, dlen);
+ errcode = -1;
+ } else if ((chan != SDPCM_DATA_CHANNEL) &&
+ (chan != SDPCM_EVENT_CHANNEL)) {
+ brcmf_dbg(ERROR, "(subframe %d): bad channel %d\n",
+ num, chan);
+ errcode = -1;
+ } else if ((doff < SDPCM_HDRLEN) || (doff > sublen)) {
+ brcmf_dbg(ERROR, "(subframe %d): Bad data offset %d: HW %d min %d\n",
+ num, doff, sublen, SDPCM_HDRLEN);
+ errcode = -1;
+ }
+ }
+
+ if (errcode) {
+ /* Terminate frame on error, request
+ a couple retries */
+ if (bus->glomerr++ < 3) {
+ /* Restore superframe header space */
+ skb_push(pfirst, sfdoff);
+ brcmf_sdbrcm_rxfail(bus, true, true);
+ } else {
+ bus->glomerr = 0;
+ brcmf_sdbrcm_rxfail(bus, true, false);
+ brcmu_pkt_buf_free_skb(bus->glom);
+ bus->rxglomfail++;
+ bus->glom = NULL;
+ }
+ bus->nextlen = 0;
+ return 0;
+ }
+
+ /* Basic SD framing looks ok - process each packet (header) */
+ save_pfirst = pfirst;
+ bus->glom = NULL;
+ plast = NULL;
+
+ for (num = 0; pfirst; rxseq++, pfirst = pnext) {
+ pnext = pfirst->next;
+ pfirst->next = NULL;
+
+ dptr = (u8 *) (pfirst->data);
+ sublen = get_unaligned_le16(dptr);
+ chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]);
+ seq = SDPCM_PACKET_SEQUENCE(&dptr[SDPCM_FRAMETAG_LEN]);
+ doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]);
+
+ brcmf_dbg(GLOM, "Get subframe %d, %p(%p/%d), sublen %d chan %d seq %d\n",
+ num, pfirst, pfirst->data,
+ pfirst->len, sublen, chan, seq);
+
+ /* precondition: chan == SDPCM_DATA_CHANNEL ||
+ chan == SDPCM_EVENT_CHANNEL */
+
+ if (rxseq != seq) {
+ brcmf_dbg(GLOM, "rx_seq %d, expected %d\n",
+ seq, rxseq);
+ bus->rx_badseq++;
+ rxseq = seq;
+ }
+#ifdef BCMDBG
+ if (BRCMF_BYTES_ON() && BRCMF_DATA_ON()) {
+ printk(KERN_DEBUG "Rx Subframe Data:\n");
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
+ dptr, dlen);
+ }
+#endif
+
+ __skb_trim(pfirst, sublen);
+ skb_pull(pfirst, doff);
+
+ if (pfirst->len == 0) {
+ brcmu_pkt_buf_free_skb(pfirst);
+ if (plast)
+ plast->next = pnext;
+ else
+ save_pfirst = pnext;
+
+ continue;
+ } else if (brcmf_proto_hdrpull(bus->drvr, &ifidx,
+ pfirst) != 0) {
+ brcmf_dbg(ERROR, "rx protocol error\n");
+ bus->drvr->rx_errors++;
+ brcmu_pkt_buf_free_skb(pfirst);
+ if (plast)
+ plast->next = pnext;
+ else
+ save_pfirst = pnext;
+
+ continue;
+ }
+
+ /* this packet will go up, link back into
+ chain and count it */
+ pfirst->next = pnext;
+ plast = pfirst;
+ num++;
+
+#ifdef BCMDBG
+ if (BRCMF_GLOM_ON()) {
+ brcmf_dbg(GLOM, "subframe %d to stack, %p (%p/%d) nxt/lnk %p/%p\n",
+ num, pfirst, pfirst->data,
+ pfirst->len, pfirst->next,
+ pfirst->prev);
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
+ pfirst->data,
+ min_t(int, pfirst->len, 32));
+ }
+#endif /* BCMDBG */
+ }
+ if (num) {
+ up(&bus->sdsem);
+ brcmf_rx_frame(bus->drvr, ifidx, save_pfirst, num);
+ down(&bus->sdsem);
+ }
+
+ bus->rxglomframes++;
+ bus->rxglompkts += num;
+ }
+ return num;
+}
+
+static int brcmf_sdbrcm_dcmd_resp_wait(struct brcmf_bus *bus, uint *condition,
+ bool *pending)
+{
+ DECLARE_WAITQUEUE(wait, current);
+ int timeout = msecs_to_jiffies(DCMD_RESP_TIMEOUT);
+
+ /* Wait until control frame is available */
+ add_wait_queue(&bus->dcmd_resp_wait, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
+
+ while (!(*condition) && (!signal_pending(current) && timeout))
+ timeout = schedule_timeout(timeout);
+
+ if (signal_pending(current))
+ *pending = true;
+
+ set_current_state(TASK_RUNNING);
+ remove_wait_queue(&bus->dcmd_resp_wait, &wait);
+
+ return timeout;
+}
+
+static int brcmf_sdbrcm_dcmd_resp_wake(struct brcmf_bus *bus)
+{
+ if (waitqueue_active(&bus->dcmd_resp_wait))
+ wake_up_interruptible(&bus->dcmd_resp_wait);
+
+ return 0;
+}
+static void
+brcmf_sdbrcm_read_control(struct brcmf_bus *bus, u8 *hdr, uint len, uint doff)
+{
+ uint rdlen, pad;
+
+ int sdret;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* Set rxctl for frame (w/optional alignment) */
+ bus->rxctl = bus->rxbuf;
+ bus->rxctl += BRCMF_FIRSTREAD;
+ pad = ((unsigned long)bus->rxctl % BRCMF_SDALIGN);
+ if (pad)
+ bus->rxctl += (BRCMF_SDALIGN - pad);
+ bus->rxctl -= BRCMF_FIRSTREAD;
+
+ /* Copy the already-read portion over */
+ memcpy(bus->rxctl, hdr, BRCMF_FIRSTREAD);
+ if (len <= BRCMF_FIRSTREAD)
+ goto gotpkt;
+
+ /* Raise rdlen to next SDIO block to avoid tail command */
+ rdlen = len - BRCMF_FIRSTREAD;
+ if (bus->roundup && bus->blocksize && (rdlen > bus->blocksize)) {
+ pad = bus->blocksize - (rdlen % bus->blocksize);
+ if ((pad <= bus->roundup) && (pad < bus->blocksize) &&
+ ((len + pad) < bus->drvr->maxctl))
+ rdlen += pad;
+ } else if (rdlen % BRCMF_SDALIGN) {
+ rdlen += BRCMF_SDALIGN - (rdlen % BRCMF_SDALIGN);
+ }
+
+ /* Satisfy length-alignment requirements */
+ if (rdlen & (ALIGNMENT - 1))
+ rdlen = roundup(rdlen, ALIGNMENT);
+
+ /* Drop if the read is too big or it exceeds our maximum */
+ if ((rdlen + BRCMF_FIRSTREAD) > bus->drvr->maxctl) {
+ brcmf_dbg(ERROR, "%d-byte control read exceeds %d-byte buffer\n",
+ rdlen, bus->drvr->maxctl);
+ bus->drvr->rx_errors++;
+ brcmf_sdbrcm_rxfail(bus, false, false);
+ goto done;
+ }
+
+ if ((len - doff) > bus->drvr->maxctl) {
+ brcmf_dbg(ERROR, "%d-byte ctl frame (%d-byte ctl data) exceeds %d-byte limit\n",
+ len, len - doff, bus->drvr->maxctl);
+ bus->drvr->rx_errors++;
+ bus->rx_toolong++;
+ brcmf_sdbrcm_rxfail(bus, false, false);
+ goto done;
+ }
+
+ /* Read remainder of frame body into the rxctl buffer */
+ sdret = brcmf_sdcard_recv_buf(bus->sdiodev,
+ bus->sdiodev->sbwad,
+ SDIO_FUNC_2,
+ F2SYNC, (bus->rxctl + BRCMF_FIRSTREAD), rdlen,
+ NULL);
+ bus->f2rxdata++;
+
+ /* Control frame failures need retransmission */
+ if (sdret < 0) {
+ brcmf_dbg(ERROR, "read %d control bytes failed: %d\n",
+ rdlen, sdret);
+ bus->rxc_errors++;
+ brcmf_sdbrcm_rxfail(bus, true, true);
+ goto done;
+ }
+
+gotpkt:
+
+#ifdef BCMDBG
+ if (BRCMF_BYTES_ON() && BRCMF_CTL_ON()) {
+ printk(KERN_DEBUG "RxCtrl:\n");
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, bus->rxctl, len);
+ }
+#endif
+
+ /* Point to valid data and indicate its length */
+ bus->rxctl += doff;
+ bus->rxlen = len - doff;
+
+done:
+ /* Awake any waiters */
+ brcmf_sdbrcm_dcmd_resp_wake(bus);
+}
+
+/* Pad read to blocksize for efficiency */
+static void brcmf_pad(struct brcmf_bus *bus, u16 *pad, u16 *rdlen)
+{
+ if (bus->roundup && bus->blocksize && *rdlen > bus->blocksize) {
+ *pad = bus->blocksize - (*rdlen % bus->blocksize);
+ if (*pad <= bus->roundup && *pad < bus->blocksize &&
+ *rdlen + *pad + BRCMF_FIRSTREAD < MAX_RX_DATASZ)
+ *rdlen += *pad;
+ } else if (*rdlen % BRCMF_SDALIGN) {
+ *rdlen += BRCMF_SDALIGN - (*rdlen % BRCMF_SDALIGN);
+ }
+}
+
+static void
+brcmf_alloc_pkt_and_read(struct brcmf_bus *bus, u16 rdlen,
+ struct sk_buff **pkt, u8 **rxbuf)
+{
+ int sdret; /* Return code from calls */
+
+ *pkt = brcmu_pkt_buf_get_skb(rdlen + BRCMF_SDALIGN);
+ if (*pkt == NULL)
+ return;
+
+ pkt_align(*pkt, rdlen, BRCMF_SDALIGN);
+ *rxbuf = (u8 *) ((*pkt)->data);
+ /* Read the entire frame */
+ sdret = brcmf_sdcard_recv_buf(bus->sdiodev, bus->sdiodev->sbwad,
+ SDIO_FUNC_2, F2SYNC,
+ *rxbuf, rdlen, *pkt);
+ bus->f2rxdata++;
+
+ if (sdret < 0) {
+ brcmf_dbg(ERROR, "(nextlen): read %d bytes failed: %d\n",
+ rdlen, sdret);
+ brcmu_pkt_buf_free_skb(*pkt);
+ bus->drvr->rx_errors++;
+ /* Force retry w/normal header read.
+ * Don't attempt NAK for
+ * gSPI
+ */
+ brcmf_sdbrcm_rxfail(bus, true, true);
+ *pkt = NULL;
+ }
+}
+
+/* Checks the header */
+static int
+brcmf_check_rxbuf(struct brcmf_bus *bus, struct sk_buff *pkt, u8 *rxbuf,
+ u8 rxseq, u16 nextlen, u16 *len)
+{
+ u16 check;
+ bool len_consistent; /* Result of comparing readahead len and
+ len from hw-hdr */
+
+ memcpy(bus->rxhdr, rxbuf, SDPCM_HDRLEN);
+
+ /* Extract hardware header fields */
+ *len = get_unaligned_le16(bus->rxhdr);
+ check = get_unaligned_le16(bus->rxhdr + sizeof(u16));
+
+ /* All zeros means readahead info was bad */
+ if (!(*len | check)) {
+ brcmf_dbg(INFO, "(nextlen): read zeros in HW header???\n");
+ goto fail;
+ }
+
+ /* Validate check bytes */
+ if ((u16)~(*len ^ check)) {
+ brcmf_dbg(ERROR, "(nextlen): HW hdr error: nextlen/len/check 0x%04x/0x%04x/0x%04x\n",
+ nextlen, *len, check);
+ bus->rx_badhdr++;
+ brcmf_sdbrcm_rxfail(bus, false, false);
+ goto fail;
+ }
+
+ /* Validate frame length */
+ if (*len < SDPCM_HDRLEN) {
+ brcmf_dbg(ERROR, "(nextlen): HW hdr length invalid: %d\n",
+ *len);
+ goto fail;
+ }
+
+ /* Check for consistency with readahead info */
+ len_consistent = (nextlen != (roundup(*len, 16) >> 4));
+ if (len_consistent) {
+ /* Mismatch, force retry w/normal
+ header (may be >4K) */
+ brcmf_dbg(ERROR, "(nextlen): mismatch, nextlen %d len %d rnd %d; expected rxseq %d\n",
+ nextlen, *len, roundup(*len, 16),
+ rxseq);
+ brcmf_sdbrcm_rxfail(bus, true, true);
+ goto fail;
+ }
+
+ return 0;
+
+fail:
+ brcmf_sdbrcm_pktfree2(bus, pkt);
+ return -EINVAL;
+}
+
+/* Return true if there may be more frames to read */
+static uint
+brcmf_sdbrcm_readframes(struct brcmf_bus *bus, uint maxframes, bool *finished)
+{
+ u16 len, check; /* Extracted hardware header fields */
+ u8 chan, seq, doff; /* Extracted software header fields */
+ u8 fcbits; /* Extracted fcbits from software header */
+
+ struct sk_buff *pkt; /* Packet for event or data frames */
+ u16 pad; /* Number of pad bytes to read */
+ u16 rdlen; /* Total number of bytes to read */
+ u8 rxseq; /* Next sequence number to expect */
+ uint rxleft = 0; /* Remaining number of frames allowed */
+ int sdret; /* Return code from calls */
+ u8 txmax; /* Maximum tx sequence offered */
+ u8 *rxbuf;
+ int ifidx = 0;
+ uint rxcount = 0; /* Total frames read */
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* Not finished unless we encounter no more frames indication */
+ *finished = false;
+
+ for (rxseq = bus->rx_seq, rxleft = maxframes;
+ !bus->rxskip && rxleft && bus->drvr->busstate != BRCMF_BUS_DOWN;
+ rxseq++, rxleft--) {
+
+ /* Handle glomming separately */
+ if (bus->glom || bus->glomd) {
+ u8 cnt;
+ brcmf_dbg(GLOM, "calling rxglom: glomd %p, glom %p\n",
+ bus->glomd, bus->glom);
+ cnt = brcmf_sdbrcm_rxglom(bus, rxseq);
+ brcmf_dbg(GLOM, "rxglom returned %d\n", cnt);
+ rxseq += cnt - 1;
+ rxleft = (rxleft > cnt) ? (rxleft - cnt) : 1;
+ continue;
+ }
+
+ /* Try doing single read if we can */
+ if (bus->nextlen) {
+ u16 nextlen = bus->nextlen;
+ bus->nextlen = 0;
+
+ rdlen = len = nextlen << 4;
+ brcmf_pad(bus, &pad, &rdlen);
+
+ /*
+ * After the frame is received we have to
+ * distinguish whether it is data
+ * or non-data frame.
+ */
+ brcmf_alloc_pkt_and_read(bus, rdlen, &pkt, &rxbuf);
+ if (pkt == NULL) {
+ /* Give up on data, request rtx of events */
+ brcmf_dbg(ERROR, "(nextlen): brcmf_alloc_pkt_and_read failed: len %d rdlen %d expected rxseq %d\n",
+ len, rdlen, rxseq);
+ continue;
+ }
+
+ if (brcmf_check_rxbuf(bus, pkt, rxbuf, rxseq, nextlen,
+ &len) < 0)
+ continue;
+
+ /* Extract software header fields */
+ chan = SDPCM_PACKET_CHANNEL(
+ &bus->rxhdr[SDPCM_FRAMETAG_LEN]);
+ seq = SDPCM_PACKET_SEQUENCE(
+ &bus->rxhdr[SDPCM_FRAMETAG_LEN]);
+ doff = SDPCM_DOFFSET_VALUE(
+ &bus->rxhdr[SDPCM_FRAMETAG_LEN]);
+ txmax = SDPCM_WINDOW_VALUE(
+ &bus->rxhdr[SDPCM_FRAMETAG_LEN]);
+
+ bus->nextlen =
+ bus->rxhdr[SDPCM_FRAMETAG_LEN +
+ SDPCM_NEXTLEN_OFFSET];
+ if ((bus->nextlen << 4) > MAX_RX_DATASZ) {
+ brcmf_dbg(INFO, "(nextlen): got frame w/nextlen too large (%d), seq %d\n",
+ bus->nextlen, seq);
+ bus->nextlen = 0;
+ }
+
+ bus->drvr->rx_readahead_cnt++;
+
+ /* Handle Flow Control */
+ fcbits = SDPCM_FCMASK_VALUE(
+ &bus->rxhdr[SDPCM_FRAMETAG_LEN]);
+
+ if (bus->flowcontrol != fcbits) {
+ if (~bus->flowcontrol & fcbits)
+ bus->fc_xoff++;
+
+ if (bus->flowcontrol & ~fcbits)
+ bus->fc_xon++;
+
+ bus->fc_rcvd++;
+ bus->flowcontrol = fcbits;
+ }
+
+ /* Check and update sequence number */
+ if (rxseq != seq) {
+ brcmf_dbg(INFO, "(nextlen): rx_seq %d, expected %d\n",
+ seq, rxseq);
+ bus->rx_badseq++;
+ rxseq = seq;
+ }
+
+ /* Check window for sanity */
+ if ((u8) (txmax - bus->tx_seq) > 0x40) {
+ brcmf_dbg(ERROR, "got unlikely tx max %d with tx_seq %d\n",
+ txmax, bus->tx_seq);
+ txmax = bus->tx_seq + 2;
+ }
+ bus->tx_max = txmax;
+
+#ifdef BCMDBG
+ if (BRCMF_BYTES_ON() && BRCMF_DATA_ON()) {
+ printk(KERN_DEBUG "Rx Data:\n");
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
+ rxbuf, len);
+ } else if (BRCMF_HDRS_ON()) {
+ printk(KERN_DEBUG "RxHdr:\n");
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
+ bus->rxhdr, SDPCM_HDRLEN);
+ }
+#endif
+
+ if (chan == SDPCM_CONTROL_CHANNEL) {
+ brcmf_dbg(ERROR, "(nextlen): readahead on control packet %d?\n",
+ seq);
+ /* Force retry w/normal header read */
+ bus->nextlen = 0;
+ brcmf_sdbrcm_rxfail(bus, false, true);
+ brcmf_sdbrcm_pktfree2(bus, pkt);
+ continue;
+ }
+
+ /* Validate data offset */
+ if ((doff < SDPCM_HDRLEN) || (doff > len)) {
+ brcmf_dbg(ERROR, "(nextlen): bad data offset %d: HW len %d min %d\n",
+ doff, len, SDPCM_HDRLEN);
+ brcmf_sdbrcm_rxfail(bus, false, false);
+ brcmf_sdbrcm_pktfree2(bus, pkt);
+ continue;
+ }
+
+ /* All done with this one -- now deliver the packet */
+ goto deliver;
+ }
+
+ /* Read frame header (hardware and software) */
+ sdret = brcmf_sdcard_recv_buf(bus->sdiodev, bus->sdiodev->sbwad,
+ SDIO_FUNC_2, F2SYNC, bus->rxhdr,
+ BRCMF_FIRSTREAD, NULL);
+ bus->f2rxhdrs++;
+
+ if (sdret < 0) {
+ brcmf_dbg(ERROR, "RXHEADER FAILED: %d\n", sdret);
+ bus->rx_hdrfail++;
+ brcmf_sdbrcm_rxfail(bus, true, true);
+ continue;
+ }
+#ifdef BCMDBG
+ if (BRCMF_BYTES_ON() || BRCMF_HDRS_ON()) {
+ printk(KERN_DEBUG "RxHdr:\n");
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
+ bus->rxhdr, SDPCM_HDRLEN);
+ }
+#endif
+
+ /* Extract hardware header fields */
+ len = get_unaligned_le16(bus->rxhdr);
+ check = get_unaligned_le16(bus->rxhdr + sizeof(u16));
+
+ /* All zeros means no more frames */
+ if (!(len | check)) {
+ *finished = true;
+ break;
+ }
+
+ /* Validate check bytes */
+ if ((u16) ~(len ^ check)) {
+ brcmf_dbg(ERROR, "HW hdr err: len/check 0x%04x/0x%04x\n",
+ len, check);
+ bus->rx_badhdr++;
+ brcmf_sdbrcm_rxfail(bus, false, false);
+ continue;
+ }
+
+ /* Validate frame length */
+ if (len < SDPCM_HDRLEN) {
+ brcmf_dbg(ERROR, "HW hdr length invalid: %d\n", len);
+ continue;
+ }
+
+ /* Extract software header fields */
+ chan = SDPCM_PACKET_CHANNEL(&bus->rxhdr[SDPCM_FRAMETAG_LEN]);
+ seq = SDPCM_PACKET_SEQUENCE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]);
+ doff = SDPCM_DOFFSET_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]);
+ txmax = SDPCM_WINDOW_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]);
+
+ /* Validate data offset */
+ if ((doff < SDPCM_HDRLEN) || (doff > len)) {
+ brcmf_dbg(ERROR, "Bad data offset %d: HW len %d, min %d seq %d\n",
+ doff, len, SDPCM_HDRLEN, seq);
+ bus->rx_badhdr++;
+ brcmf_sdbrcm_rxfail(bus, false, false);
+ continue;
+ }
+
+ /* Save the readahead length if there is one */
+ bus->nextlen =
+ bus->rxhdr[SDPCM_FRAMETAG_LEN + SDPCM_NEXTLEN_OFFSET];
+ if ((bus->nextlen << 4) > MAX_RX_DATASZ) {
+ brcmf_dbg(INFO, "(nextlen): got frame w/nextlen too large (%d), seq %d\n",
+ bus->nextlen, seq);
+ bus->nextlen = 0;
+ }
+
+ /* Handle Flow Control */
+ fcbits = SDPCM_FCMASK_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]);
+
+ if (bus->flowcontrol != fcbits) {
+ if (~bus->flowcontrol & fcbits)
+ bus->fc_xoff++;
+
+ if (bus->flowcontrol & ~fcbits)
+ bus->fc_xon++;
+
+ bus->fc_rcvd++;
+ bus->flowcontrol = fcbits;
+ }
+
+ /* Check and update sequence number */
+ if (rxseq != seq) {
+ brcmf_dbg(INFO, "rx_seq %d, expected %d\n", seq, rxseq);
+ bus->rx_badseq++;
+ rxseq = seq;
+ }
+
+ /* Check window for sanity */
+ if ((u8) (txmax - bus->tx_seq) > 0x40) {
+ brcmf_dbg(ERROR, "unlikely tx max %d with tx_seq %d\n",
+ txmax, bus->tx_seq);
+ txmax = bus->tx_seq + 2;
+ }
+ bus->tx_max = txmax;
+
+ /* Call a separate function for control frames */
+ if (chan == SDPCM_CONTROL_CHANNEL) {
+ brcmf_sdbrcm_read_control(bus, bus->rxhdr, len, doff);
+ continue;
+ }
+
+ /* precondition: chan is either SDPCM_DATA_CHANNEL,
+ SDPCM_EVENT_CHANNEL, SDPCM_TEST_CHANNEL or
+ SDPCM_GLOM_CHANNEL */
+
+ /* Length to read */
+ rdlen = (len > BRCMF_FIRSTREAD) ? (len - BRCMF_FIRSTREAD) : 0;
+
+ /* May pad read to blocksize for efficiency */
+ if (bus->roundup && bus->blocksize &&
+ (rdlen > bus->blocksize)) {
+ pad = bus->blocksize - (rdlen % bus->blocksize);
+ if ((pad <= bus->roundup) && (pad < bus->blocksize) &&
+ ((rdlen + pad + BRCMF_FIRSTREAD) < MAX_RX_DATASZ))
+ rdlen += pad;
+ } else if (rdlen % BRCMF_SDALIGN) {
+ rdlen += BRCMF_SDALIGN - (rdlen % BRCMF_SDALIGN);
+ }
+
+ /* Satisfy length-alignment requirements */
+ if (rdlen & (ALIGNMENT - 1))
+ rdlen = roundup(rdlen, ALIGNMENT);
+
+ if ((rdlen + BRCMF_FIRSTREAD) > MAX_RX_DATASZ) {
+ /* Too long -- skip this frame */
+ brcmf_dbg(ERROR, "too long: len %d rdlen %d\n",
+ len, rdlen);
+ bus->drvr->rx_errors++;
+ bus->rx_toolong++;
+ brcmf_sdbrcm_rxfail(bus, false, false);
+ continue;
+ }
+
+ pkt = brcmu_pkt_buf_get_skb(rdlen +
+ BRCMF_FIRSTREAD + BRCMF_SDALIGN);
+ if (!pkt) {
+ /* Give up on data, request rtx of events */
+ brcmf_dbg(ERROR, "brcmu_pkt_buf_get_skb failed: rdlen %d chan %d\n",
+ rdlen, chan);
+ bus->drvr->rx_dropped++;
+ brcmf_sdbrcm_rxfail(bus, false, RETRYCHAN(chan));
+ continue;
+ }
+
+ /* Leave room for what we already read, and align remainder */
+ skb_pull(pkt, BRCMF_FIRSTREAD);
+ pkt_align(pkt, rdlen, BRCMF_SDALIGN);
+
+ /* Read the remaining frame data */
+ sdret = brcmf_sdcard_recv_buf(bus->sdiodev, bus->sdiodev->sbwad,
+ SDIO_FUNC_2, F2SYNC, ((u8 *) (pkt->data)),
+ rdlen, pkt);
+ bus->f2rxdata++;
+
+ if (sdret < 0) {
+ brcmf_dbg(ERROR, "read %d %s bytes failed: %d\n", rdlen,
+ ((chan == SDPCM_EVENT_CHANNEL) ? "event"
+ : ((chan == SDPCM_DATA_CHANNEL) ? "data"
+ : "test")), sdret);
+ brcmu_pkt_buf_free_skb(pkt);
+ bus->drvr->rx_errors++;
+ brcmf_sdbrcm_rxfail(bus, true, RETRYCHAN(chan));
+ continue;
+ }
+
+ /* Copy the already-read portion */
+ skb_push(pkt, BRCMF_FIRSTREAD);
+ memcpy(pkt->data, bus->rxhdr, BRCMF_FIRSTREAD);
+
+#ifdef BCMDBG
+ if (BRCMF_BYTES_ON() && BRCMF_DATA_ON()) {
+ printk(KERN_DEBUG "Rx Data:\n");
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
+ pkt->data, len);
+ }
+#endif
+
+deliver:
+ /* Save superframe descriptor and allocate packet frame */
+ if (chan == SDPCM_GLOM_CHANNEL) {
+ if (SDPCM_GLOMDESC(&bus->rxhdr[SDPCM_FRAMETAG_LEN])) {
+ brcmf_dbg(GLOM, "glom descriptor, %d bytes:\n",
+ len);
+#ifdef BCMDBG
+ if (BRCMF_GLOM_ON()) {
+ printk(KERN_DEBUG "Glom Data:\n");
+ print_hex_dump_bytes("",
+ DUMP_PREFIX_OFFSET,
+ pkt->data, len);
+ }
+#endif
+ __skb_trim(pkt, len);
+ skb_pull(pkt, SDPCM_HDRLEN);
+ bus->glomd = pkt;
+ } else {
+ brcmf_dbg(ERROR, "%s: glom superframe w/o "
+ "descriptor!\n", __func__);
+ brcmf_sdbrcm_rxfail(bus, false, false);
+ }
+ continue;
+ }
+
+ /* Fill in packet len and prio, deliver upward */
+ __skb_trim(pkt, len);
+ skb_pull(pkt, doff);
+
+ if (pkt->len == 0) {
+ brcmu_pkt_buf_free_skb(pkt);
+ continue;
+ } else if (brcmf_proto_hdrpull(bus->drvr, &ifidx, pkt) != 0) {
+ brcmf_dbg(ERROR, "rx protocol error\n");
+ brcmu_pkt_buf_free_skb(pkt);
+ bus->drvr->rx_errors++;
+ continue;
+ }
+
+ /* Unlock during rx call */
+ up(&bus->sdsem);
+ brcmf_rx_frame(bus->drvr, ifidx, pkt, 1);
+ down(&bus->sdsem);
+ }
+ rxcount = maxframes - rxleft;
+#ifdef BCMDBG
+ /* Message if we hit the limit */
+ if (!rxleft)
+ brcmf_dbg(DATA, "hit rx limit of %d frames\n",
+ maxframes);
+ else
+#endif /* BCMDBG */
+ brcmf_dbg(DATA, "processed %d frames\n", rxcount);
+ /* Back off rxseq if awaiting rtx, update rx_seq */
+ if (bus->rxskip)
+ rxseq--;
+ bus->rx_seq = rxseq;
+
+ return rxcount;
+}
+
+static int
+brcmf_sdbrcm_send_buf(struct brcmf_bus *bus, u32 addr, uint fn, uint flags,
+ u8 *buf, uint nbytes, struct sk_buff *pkt)
+{
+ return brcmf_sdcard_send_buf
+ (bus->sdiodev, addr, fn, flags, buf, nbytes, pkt);
+}
+
+static void
+brcmf_sdbrcm_wait_for_event(struct brcmf_bus *bus, bool *lockvar)
+{
+ up(&bus->sdsem);
+ wait_event_interruptible_timeout(bus->ctrl_wait,
+ (*lockvar == false), HZ * 2);
+ down(&bus->sdsem);
+ return;
+}
+
+static void
+brcmf_sdbrcm_wait_event_wakeup(struct brcmf_bus *bus)
+{
+ if (waitqueue_active(&bus->ctrl_wait))
+ wake_up_interruptible(&bus->ctrl_wait);
+ return;
+}
+
+/* Writes a HW/SW header into the packet and sends it. */
+/* Assumes: (a) header space already there, (b) caller holds lock */
+static int brcmf_sdbrcm_txpkt(struct brcmf_bus *bus, struct sk_buff *pkt,
+ uint chan, bool free_pkt)
+{
+ int ret;
+ u8 *frame;
+ u16 len, pad = 0;
+ u32 swheader;
+ struct sk_buff *new;
+ int i;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ frame = (u8 *) (pkt->data);
+
+ /* Add alignment padding, allocate new packet if needed */
+ pad = ((unsigned long)frame % BRCMF_SDALIGN);
+ if (pad) {
+ if (skb_headroom(pkt) < pad) {
+ brcmf_dbg(INFO, "insufficient headroom %d for %d pad\n",
+ skb_headroom(pkt), pad);
+ bus->drvr->tx_realloc++;
+ new = brcmu_pkt_buf_get_skb(pkt->len + BRCMF_SDALIGN);
+ if (!new) {
+ brcmf_dbg(ERROR, "couldn't allocate new %d-byte packet\n",
+ pkt->len + BRCMF_SDALIGN);
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ pkt_align(new, pkt->len, BRCMF_SDALIGN);
+ memcpy(new->data, pkt->data, pkt->len);
+ if (free_pkt)
+ brcmu_pkt_buf_free_skb(pkt);
+ /* free the pkt if canned one is not used */
+ free_pkt = true;
+ pkt = new;
+ frame = (u8 *) (pkt->data);
+ /* precondition: (frame % BRCMF_SDALIGN) == 0) */
+ pad = 0;
+ } else {
+ skb_push(pkt, pad);
+ frame = (u8 *) (pkt->data);
+ /* precondition: pad + SDPCM_HDRLEN <= pkt->len */
+ memset(frame, 0, pad + SDPCM_HDRLEN);
+ }
+ }
+ /* precondition: pad < BRCMF_SDALIGN */
+
+ /* Hardware tag: 2 byte len followed by 2 byte ~len check (all LE) */
+ len = (u16) (pkt->len);
+ *(__le16 *) frame = cpu_to_le16(len);
+ *(((__le16 *) frame) + 1) = cpu_to_le16(~len);
+
+ /* Software tag: channel, sequence number, data offset */
+ swheader =
+ ((chan << SDPCM_CHANNEL_SHIFT) & SDPCM_CHANNEL_MASK) | bus->tx_seq |
+ (((pad +
+ SDPCM_HDRLEN) << SDPCM_DOFFSET_SHIFT) & SDPCM_DOFFSET_MASK);
+
+ put_unaligned_le32(swheader, frame + SDPCM_FRAMETAG_LEN);
+ put_unaligned_le32(0, frame + SDPCM_FRAMETAG_LEN + sizeof(swheader));
+
+#ifdef BCMDBG
+ tx_packets[pkt->priority]++;
+ if (BRCMF_BYTES_ON() &&
+ (((BRCMF_CTL_ON() && (chan == SDPCM_CONTROL_CHANNEL)) ||
+ (BRCMF_DATA_ON() && (chan != SDPCM_CONTROL_CHANNEL))))) {
+ printk(KERN_DEBUG "Tx Frame:\n");
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, frame, len);
+ } else if (BRCMF_HDRS_ON()) {
+ printk(KERN_DEBUG "TxHdr:\n");
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
+ frame, min_t(u16, len, 16));
+ }
+#endif
+
+ /* Raise len to next SDIO block to eliminate tail command */
+ if (bus->roundup && bus->blocksize && (len > bus->blocksize)) {
+ u16 pad = bus->blocksize - (len % bus->blocksize);
+ if ((pad <= bus->roundup) && (pad < bus->blocksize))
+ len += pad;
+ } else if (len % BRCMF_SDALIGN) {
+ len += BRCMF_SDALIGN - (len % BRCMF_SDALIGN);
+ }
+
+ /* Some controllers have trouble with odd bytes -- round to even */
+ if (len & (ALIGNMENT - 1))
+ len = roundup(len, ALIGNMENT);
+
+ ret = brcmf_sdbrcm_send_buf(bus, bus->sdiodev->sbwad,
+ SDIO_FUNC_2, F2SYNC, frame,
+ len, pkt);
+ bus->f2txdata++;
+
+ if (ret < 0) {
+ /* On failure, abort the command and terminate the frame */
+ brcmf_dbg(INFO, "sdio error %d, abort command and terminate frame\n",
+ ret);
+ bus->tx_sderrs++;
+
+ brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_FRAMECTRL, SFC_WF_TERM,
+ NULL);
+ bus->f1regdata++;
+
+ for (i = 0; i < 3; i++) {
+ u8 hi, lo;
+ hi = brcmf_sdcard_cfg_read(bus->sdiodev,
+ SDIO_FUNC_1,
+ SBSDIO_FUNC1_WFRAMEBCHI,
+ NULL);
+ lo = brcmf_sdcard_cfg_read(bus->sdiodev,
+ SDIO_FUNC_1,
+ SBSDIO_FUNC1_WFRAMEBCLO,
+ NULL);
+ bus->f1regdata += 2;
+ if ((hi == 0) && (lo == 0))
+ break;
+ }
+
+ }
+ if (ret == 0)
+ bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQUENCE_WRAP;
+
+done:
+ /* restore pkt buffer pointer before calling tx complete routine */
+ skb_pull(pkt, SDPCM_HDRLEN + pad);
+ up(&bus->sdsem);
+ brcmf_txcomplete(bus->drvr, pkt, ret != 0);
+ down(&bus->sdsem);
+
+ if (free_pkt)
+ brcmu_pkt_buf_free_skb(pkt);
+
+ return ret;
+}
+
+static uint brcmf_sdbrcm_sendfromq(struct brcmf_bus *bus, uint maxframes)
+{
+ struct sk_buff *pkt;
+ u32 intstatus = 0;
+ uint retries = 0;
+ int ret = 0, prec_out;
+ uint cnt = 0;
+ uint datalen;
+ u8 tx_prec_map;
+
+ struct brcmf_pub *drvr = bus->drvr;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ tx_prec_map = ~bus->flowcontrol;
+
+ /* Send frames until the limit or some other event */
+ for (cnt = 0; (cnt < maxframes) && data_ok(bus); cnt++) {
+ spin_lock_bh(&bus->txqlock);
+ pkt = brcmu_pktq_mdeq(&bus->txq, tx_prec_map, &prec_out);
+ if (pkt == NULL) {
+ spin_unlock_bh(&bus->txqlock);
+ break;
+ }
+ spin_unlock_bh(&bus->txqlock);
+ datalen = pkt->len - SDPCM_HDRLEN;
+
+ ret = brcmf_sdbrcm_txpkt(bus, pkt, SDPCM_DATA_CHANNEL, true);
+ if (ret)
+ bus->drvr->tx_errors++;
+ else
+ bus->drvr->dstats.tx_bytes += datalen;
+
+ /* In poll mode, need to check for other events */
+ if (!bus->intr && cnt) {
+ /* Check device status, signal pending interrupt */
+ r_sdreg32(bus, &intstatus,
+ offsetof(struct sdpcmd_regs, intstatus),
+ &retries);
+ bus->f2txdata++;
+ if (brcmf_sdcard_regfail(bus->sdiodev))
+ break;
+ if (intstatus & bus->hostintmask)
+ bus->ipend = true;
+ }
+ }
+
+ /* Deflow-control stack if needed */
+ if (drvr->up && (drvr->busstate == BRCMF_BUS_DATA) &&
+ drvr->txoff && (pktq_len(&bus->txq) < TXLOW))
+ brcmf_txflowcontrol(drvr, 0, OFF);
+
+ return cnt;
+}
+
+static bool brcmf_sdbrcm_dpc(struct brcmf_bus *bus)
+{
+ u32 intstatus, newstatus = 0;
+ uint retries = 0;
+ uint rxlimit = bus->rxbound; /* Rx frames to read before resched */
+ uint txlimit = bus->txbound; /* Tx frames to send before resched */
+ uint framecnt = 0; /* Temporary counter of tx/rx frames */
+ bool rxdone = true; /* Flag for no more read data */
+ bool resched = false; /* Flag indicating resched wanted */
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* Start with leftover status bits */
+ intstatus = bus->intstatus;
+
+ down(&bus->sdsem);
+
+ /* If waiting for HTAVAIL, check status */
+ if (bus->clkstate == CLK_PENDING) {
+ int err;
+ u8 clkctl, devctl = 0;
+
+#ifdef BCMDBG
+ /* Check for inconsistent device control */
+ devctl = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_DEVICE_CTL, &err);
+ if (err) {
+ brcmf_dbg(ERROR, "error reading DEVCTL: %d\n", err);
+ bus->drvr->busstate = BRCMF_BUS_DOWN;
+ }
+#endif /* BCMDBG */
+
+ /* Read CSR, if clock on switch to AVAIL, else ignore */
+ clkctl = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR, &err);
+ if (err) {
+ brcmf_dbg(ERROR, "error reading CSR: %d\n",
+ err);
+ bus->drvr->busstate = BRCMF_BUS_DOWN;
+ }
+
+ brcmf_dbg(INFO, "DPC: PENDING, devctl 0x%02x clkctl 0x%02x\n",
+ devctl, clkctl);
+
+ if (SBSDIO_HTAV(clkctl)) {
+ devctl = brcmf_sdcard_cfg_read(bus->sdiodev,
+ SDIO_FUNC_1,
+ SBSDIO_DEVICE_CTL, &err);
+ if (err) {
+ brcmf_dbg(ERROR, "error reading DEVCTL: %d\n",
+ err);
+ bus->drvr->busstate = BRCMF_BUS_DOWN;
+ }
+ devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY;
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_DEVICE_CTL, devctl, &err);
+ if (err) {
+ brcmf_dbg(ERROR, "error writing DEVCTL: %d\n",
+ err);
+ bus->drvr->busstate = BRCMF_BUS_DOWN;
+ }
+ bus->clkstate = CLK_AVAIL;
+ } else {
+ goto clkwait;
+ }
+ }
+
+ bus_wake(bus);
+
+ /* Make sure backplane clock is on */
+ brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, true);
+ if (bus->clkstate == CLK_PENDING)
+ goto clkwait;
+
+ /* Pending interrupt indicates new device status */
+ if (bus->ipend) {
+ bus->ipend = false;
+ r_sdreg32(bus, &newstatus,
+ offsetof(struct sdpcmd_regs, intstatus), &retries);
+ bus->f1regdata++;
+ if (brcmf_sdcard_regfail(bus->sdiodev))
+ newstatus = 0;
+ newstatus &= bus->hostintmask;
+ bus->fcstate = !!(newstatus & I_HMB_FC_STATE);
+ if (newstatus) {
+ w_sdreg32(bus, newstatus,
+ offsetof(struct sdpcmd_regs, intstatus),
+ &retries);
+ bus->f1regdata++;
+ }
+ }
+
+ /* Merge new bits with previous */
+ intstatus |= newstatus;
+ bus->intstatus = 0;
+
+ /* Handle flow-control change: read new state in case our ack
+ * crossed another change interrupt. If change still set, assume
+ * FC ON for safety, let next loop through do the debounce.
+ */
+ if (intstatus & I_HMB_FC_CHANGE) {
+ intstatus &= ~I_HMB_FC_CHANGE;
+ w_sdreg32(bus, I_HMB_FC_CHANGE,
+ offsetof(struct sdpcmd_regs, intstatus), &retries);
+
+ r_sdreg32(bus, &newstatus,
+ offsetof(struct sdpcmd_regs, intstatus), &retries);
+ bus->f1regdata += 2;
+ bus->fcstate =
+ !!(newstatus & (I_HMB_FC_STATE | I_HMB_FC_CHANGE));
+ intstatus |= (newstatus & bus->hostintmask);
+ }
+
+ /* Handle host mailbox indication */
+ if (intstatus & I_HMB_HOST_INT) {
+ intstatus &= ~I_HMB_HOST_INT;
+ intstatus |= brcmf_sdbrcm_hostmail(bus);
+ }
+
+ /* Generally don't ask for these, can get CRC errors... */
+ if (intstatus & I_WR_OOSYNC) {
+ brcmf_dbg(ERROR, "Dongle reports WR_OOSYNC\n");
+ intstatus &= ~I_WR_OOSYNC;
+ }
+
+ if (intstatus & I_RD_OOSYNC) {
+ brcmf_dbg(ERROR, "Dongle reports RD_OOSYNC\n");
+ intstatus &= ~I_RD_OOSYNC;
+ }
+
+ if (intstatus & I_SBINT) {
+ brcmf_dbg(ERROR, "Dongle reports SBINT\n");
+ intstatus &= ~I_SBINT;
+ }
+
+ /* Would be active due to wake-wlan in gSPI */
+ if (intstatus & I_CHIPACTIVE) {
+ brcmf_dbg(INFO, "Dongle reports CHIPACTIVE\n");
+ intstatus &= ~I_CHIPACTIVE;
+ }
+
+ /* Ignore frame indications if rxskip is set */
+ if (bus->rxskip)
+ intstatus &= ~I_HMB_FRAME_IND;
+
+ /* On frame indication, read available frames */
+ if (PKT_AVAILABLE()) {
+ framecnt = brcmf_sdbrcm_readframes(bus, rxlimit, &rxdone);
+ if (rxdone || bus->rxskip)
+ intstatus &= ~I_HMB_FRAME_IND;
+ rxlimit -= min(framecnt, rxlimit);
+ }
+
+ /* Keep still-pending events for next scheduling */
+ bus->intstatus = intstatus;
+
+clkwait:
+ if (data_ok(bus) && bus->ctrl_frame_stat &&
+ (bus->clkstate == CLK_AVAIL)) {
+ int ret, i;
+
+ ret = brcmf_sdbrcm_send_buf(bus, bus->sdiodev->sbwad,
+ SDIO_FUNC_2, F2SYNC, (u8 *) bus->ctrl_frame_buf,
+ (u32) bus->ctrl_frame_len, NULL);
+
+ if (ret < 0) {
+ /* On failure, abort the command and
+ terminate the frame */
+ brcmf_dbg(INFO, "sdio error %d, abort command and terminate frame\n",
+ ret);
+ bus->tx_sderrs++;
+
+ brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
+
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_FRAMECTRL, SFC_WF_TERM,
+ NULL);
+ bus->f1regdata++;
+
+ for (i = 0; i < 3; i++) {
+ u8 hi, lo;
+ hi = brcmf_sdcard_cfg_read(bus->sdiodev,
+ SDIO_FUNC_1,
+ SBSDIO_FUNC1_WFRAMEBCHI,
+ NULL);
+ lo = brcmf_sdcard_cfg_read(bus->sdiodev,
+ SDIO_FUNC_1,
+ SBSDIO_FUNC1_WFRAMEBCLO,
+ NULL);
+ bus->f1regdata += 2;
+ if ((hi == 0) && (lo == 0))
+ break;
+ }
+
+ }
+ if (ret == 0)
+ bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQUENCE_WRAP;
+
+ brcmf_dbg(INFO, "Return_dpc value is : %d\n", ret);
+ bus->ctrl_frame_stat = false;
+ brcmf_sdbrcm_wait_event_wakeup(bus);
+ }
+ /* Send queued frames (limit 1 if rx may still be pending) */
+ else if ((bus->clkstate == CLK_AVAIL) && !bus->fcstate &&
+ brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol) && txlimit
+ && data_ok(bus)) {
+ framecnt = rxdone ? txlimit : min(txlimit, bus->txminmax);
+ framecnt = brcmf_sdbrcm_sendfromq(bus, framecnt);
+ txlimit -= framecnt;
+ }
+
+ /* Resched if events or tx frames are pending,
+ else await next interrupt */
+ /* On failed register access, all bets are off:
+ no resched or interrupts */
+ if ((bus->drvr->busstate == BRCMF_BUS_DOWN) ||
+ brcmf_sdcard_regfail(bus->sdiodev)) {
+ brcmf_dbg(ERROR, "failed backplane access over SDIO, halting operation %d\n",
+ brcmf_sdcard_regfail(bus->sdiodev));
+ bus->drvr->busstate = BRCMF_BUS_DOWN;
+ bus->intstatus = 0;
+ } else if (bus->clkstate == CLK_PENDING) {
+ brcmf_dbg(INFO, "rescheduled due to CLK_PENDING awaiting I_CHIPACTIVE interrupt\n");
+ resched = true;
+ } else if (bus->intstatus || bus->ipend ||
+ (!bus->fcstate && brcmu_pktq_mlen(&bus->txq, ~bus->flowcontrol)
+ && data_ok(bus)) || PKT_AVAILABLE()) {
+ resched = true;
+ }
+
+ bus->dpc_sched = resched;
+
+ /* If we're done for now, turn off clock request. */
+ if ((bus->clkstate != CLK_PENDING)
+ && bus->idletime == BRCMF_IDLE_IMMEDIATE) {
+ bus->activity = false;
+ brcmf_sdbrcm_clkctl(bus, CLK_NONE, false);
+ }
+
+ up(&bus->sdsem);
+
+ return resched;
+}
+
+static int brcmf_sdbrcm_dpc_thread(void *data)
+{
+ struct brcmf_bus *bus = (struct brcmf_bus *) data;
+
+ allow_signal(SIGTERM);
+ /* Run until signal received */
+ while (1) {
+ if (kthread_should_stop())
+ break;
+ if (!wait_for_completion_interruptible(&bus->dpc_wait)) {
+ /* Call bus dpc unless it indicated down
+ (then clean stop) */
+ if (bus->drvr->busstate != BRCMF_BUS_DOWN) {
+ if (brcmf_sdbrcm_dpc(bus))
+ complete(&bus->dpc_wait);
+ } else {
+ /* after stopping the bus, exit thread */
+ brcmf_sdbrcm_bus_stop(bus);
+ bus->dpc_tsk = NULL;
+ break;
+ }
+ } else
+ break;
+ }
+ return 0;
+}
+
+int brcmf_sdbrcm_bus_txdata(struct brcmf_bus *bus, struct sk_buff *pkt)
+{
+ int ret = -EBADE;
+ uint datalen, prec;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ datalen = pkt->len;
+
+ /* Add space for the header */
+ skb_push(pkt, SDPCM_HDRLEN);
+ /* precondition: IS_ALIGNED((unsigned long)(pkt->data), 2) */
+
+ prec = prio2prec((pkt->priority & PRIOMASK));
+
+ /* Check for existing queue, current flow-control,
+ pending event, or pending clock */
+ brcmf_dbg(TRACE, "deferring pktq len %d\n", pktq_len(&bus->txq));
+ bus->fcqueued++;
+
+ /* Priority based enq */
+ spin_lock_bh(&bus->txqlock);
+ if (brcmf_c_prec_enq(bus->drvr, &bus->txq, pkt, prec) == false) {
+ skb_pull(pkt, SDPCM_HDRLEN);
+ brcmf_txcomplete(bus->drvr, pkt, false);
+ brcmu_pkt_buf_free_skb(pkt);
+ brcmf_dbg(ERROR, "out of bus->txq !!!\n");
+ ret = -ENOSR;
+ } else {
+ ret = 0;
+ }
+ spin_unlock_bh(&bus->txqlock);
+
+ if (pktq_len(&bus->txq) >= TXHI)
+ brcmf_txflowcontrol(bus->drvr, 0, ON);
+
+#ifdef BCMDBG
+ if (pktq_plen(&bus->txq, prec) > qcount[prec])
+ qcount[prec] = pktq_plen(&bus->txq, prec);
+#endif
+ /* Schedule DPC if needed to send queued packet(s) */
+ if (!bus->dpc_sched) {
+ bus->dpc_sched = true;
+ if (bus->dpc_tsk)
+ complete(&bus->dpc_wait);
+ }
+
+ return ret;
+}
+
+static int
+brcmf_sdbrcm_membytes(struct brcmf_bus *bus, bool write, u32 address, u8 *data,
+ uint size)
+{
+ int bcmerror = 0;
+ u32 sdaddr;
+ uint dsize;
+
+ /* Determine initial transfer parameters */
+ sdaddr = address & SBSDIO_SB_OFT_ADDR_MASK;
+ if ((sdaddr + size) & SBSDIO_SBWINDOW_MASK)
+ dsize = (SBSDIO_SB_OFT_ADDR_LIMIT - sdaddr);
+ else
+ dsize = size;
+
+ /* Set the backplane window to include the start address */
+ bcmerror = brcmf_sdcard_set_sbaddr_window(bus->sdiodev, address);
+ if (bcmerror) {
+ brcmf_dbg(ERROR, "window change failed\n");
+ goto xfer_done;
+ }
+
+ /* Do the transfer(s) */
+ while (size) {
+ brcmf_dbg(INFO, "%s %d bytes at offset 0x%08x in window 0x%08x\n",
+ write ? "write" : "read", dsize,
+ sdaddr, address & SBSDIO_SBWINDOW_MASK);
+ bcmerror = brcmf_sdcard_rwdata(bus->sdiodev, write,
+ sdaddr, data, dsize);
+ if (bcmerror) {
+ brcmf_dbg(ERROR, "membytes transfer failed\n");
+ break;
+ }
+
+ /* Adjust for next transfer (if any) */
+ size -= dsize;
+ if (size) {
+ data += dsize;
+ address += dsize;
+ bcmerror = brcmf_sdcard_set_sbaddr_window(bus->sdiodev,
+ address);
+ if (bcmerror) {
+ brcmf_dbg(ERROR, "window change failed\n");
+ break;
+ }
+ sdaddr = 0;
+ dsize = min_t(uint, SBSDIO_SB_OFT_ADDR_LIMIT, size);
+ }
+ }
+
+xfer_done:
+ /* Return the window to backplane enumeration space for core access */
+ if (brcmf_sdcard_set_sbaddr_window(bus->sdiodev, bus->sdiodev->sbwad))
+ brcmf_dbg(ERROR, "FAILED to set window back to 0x%x\n",
+ bus->sdiodev->sbwad);
+
+ return bcmerror;
+}
+
+#ifdef BCMDBG
+#define CONSOLE_LINE_MAX 192
+
+static int brcmf_sdbrcm_readconsole(struct brcmf_bus *bus)
+{
+ struct brcmf_console *c = &bus->console;
+ u8 line[CONSOLE_LINE_MAX], ch;
+ u32 n, idx, addr;
+ int rv;
+
+ /* Don't do anything until FWREADY updates console address */
+ if (bus->console_addr == 0)
+ return 0;
+
+ /* Read console log struct */
+ addr = bus->console_addr + offsetof(struct rte_console, log_le);
+ rv = brcmf_sdbrcm_membytes(bus, false, addr, (u8 *)&c->log_le,
+ sizeof(c->log_le));
+ if (rv < 0)
+ return rv;
+
+ /* Allocate console buffer (one time only) */
+ if (c->buf == NULL) {
+ c->bufsize = le32_to_cpu(c->log_le.buf_size);
+ c->buf = kmalloc(c->bufsize, GFP_ATOMIC);
+ if (c->buf == NULL)
+ return -ENOMEM;
+ }
+
+ idx = le32_to_cpu(c->log_le.idx);
+
+ /* Protect against corrupt value */
+ if (idx > c->bufsize)
+ return -EBADE;
+
+ /* Skip reading the console buffer if the index pointer
+ has not moved */
+ if (idx == c->last)
+ return 0;
+
+ /* Read the console buffer */
+ addr = le32_to_cpu(c->log_le.buf);
+ rv = brcmf_sdbrcm_membytes(bus, false, addr, c->buf, c->bufsize);
+ if (rv < 0)
+ return rv;
+
+ while (c->last != idx) {
+ for (n = 0; n < CONSOLE_LINE_MAX - 2; n++) {
+ if (c->last == idx) {
+ /* This would output a partial line.
+ * Instead, back up
+ * the buffer pointer and output this
+ * line next time around.
+ */
+ if (c->last >= n)
+ c->last -= n;
+ else
+ c->last = c->bufsize - n;
+ goto break2;
+ }
+ ch = c->buf[c->last];
+ c->last = (c->last + 1) % c->bufsize;
+ if (ch == '\n')
+ break;
+ line[n] = ch;
+ }
+
+ if (n > 0) {
+ if (line[n - 1] == '\r')
+ n--;
+ line[n] = 0;
+ printk(KERN_DEBUG "CONSOLE: %s\n", line);
+ }
+ }
+break2:
+
+ return 0;
+}
+#endif /* BCMDBG */
+
+static int brcmf_tx_frame(struct brcmf_bus *bus, u8 *frame, u16 len)
+{
+ int i;
+ int ret;
+
+ bus->ctrl_frame_stat = false;
+ ret = brcmf_sdbrcm_send_buf(bus, bus->sdiodev->sbwad,
+ SDIO_FUNC_2, F2SYNC, frame, len, NULL);
+
+ if (ret < 0) {
+ /* On failure, abort the command and terminate the frame */
+ brcmf_dbg(INFO, "sdio error %d, abort command and terminate frame\n",
+ ret);
+ bus->tx_sderrs++;
+
+ brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
+
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_FRAMECTRL,
+ SFC_WF_TERM, NULL);
+ bus->f1regdata++;
+
+ for (i = 0; i < 3; i++) {
+ u8 hi, lo;
+ hi = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_WFRAMEBCHI,
+ NULL);
+ lo = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_WFRAMEBCLO,
+ NULL);
+ bus->f1regdata += 2;
+ if (hi == 0 && lo == 0)
+ break;
+ }
+ return ret;
+ }
+
+ bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQUENCE_WRAP;
+
+ return ret;
+}
+
+int
+brcmf_sdbrcm_bus_txctl(struct brcmf_bus *bus, unsigned char *msg, uint msglen)
+{
+ u8 *frame;
+ u16 len;
+ u32 swheader;
+ uint retries = 0;
+ u8 doff = 0;
+ int ret = -1;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* Back the pointer to make a room for bus header */
+ frame = msg - SDPCM_HDRLEN;
+ len = (msglen += SDPCM_HDRLEN);
+
+ /* Add alignment padding (optional for ctl frames) */
+ doff = ((unsigned long)frame % BRCMF_SDALIGN);
+ if (doff) {
+ frame -= doff;
+ len += doff;
+ msglen += doff;
+ memset(frame, 0, doff + SDPCM_HDRLEN);
+ }
+ /* precondition: doff < BRCMF_SDALIGN */
+ doff += SDPCM_HDRLEN;
+
+ /* Round send length to next SDIO block */
+ if (bus->roundup && bus->blocksize && (len > bus->blocksize)) {
+ u16 pad = bus->blocksize - (len % bus->blocksize);
+ if ((pad <= bus->roundup) && (pad < bus->blocksize))
+ len += pad;
+ } else if (len % BRCMF_SDALIGN) {
+ len += BRCMF_SDALIGN - (len % BRCMF_SDALIGN);
+ }
+
+ /* Satisfy length-alignment requirements */
+ if (len & (ALIGNMENT - 1))
+ len = roundup(len, ALIGNMENT);
+
+ /* precondition: IS_ALIGNED((unsigned long)frame, 2) */
+
+ /* Need to lock here to protect txseq and SDIO tx calls */
+ down(&bus->sdsem);
+
+ bus_wake(bus);
+
+ /* Make sure backplane clock is on */
+ brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false);
+
+ /* Hardware tag: 2 byte len followed by 2 byte ~len check (all LE) */
+ *(__le16 *) frame = cpu_to_le16((u16) msglen);
+ *(((__le16 *) frame) + 1) = cpu_to_le16(~msglen);
+
+ /* Software tag: channel, sequence number, data offset */
+ swheader =
+ ((SDPCM_CONTROL_CHANNEL << SDPCM_CHANNEL_SHIFT) &
+ SDPCM_CHANNEL_MASK)
+ | bus->tx_seq | ((doff << SDPCM_DOFFSET_SHIFT) &
+ SDPCM_DOFFSET_MASK);
+ put_unaligned_le32(swheader, frame + SDPCM_FRAMETAG_LEN);
+ put_unaligned_le32(0, frame + SDPCM_FRAMETAG_LEN + sizeof(swheader));
+
+ if (!data_ok(bus)) {
+ brcmf_dbg(INFO, "No bus credit bus->tx_max %d, bus->tx_seq %d\n",
+ bus->tx_max, bus->tx_seq);
+ bus->ctrl_frame_stat = true;
+ /* Send from dpc */
+ bus->ctrl_frame_buf = frame;
+ bus->ctrl_frame_len = len;
+
+ brcmf_sdbrcm_wait_for_event(bus, &bus->ctrl_frame_stat);
+
+ if (bus->ctrl_frame_stat == false) {
+ brcmf_dbg(INFO, "ctrl_frame_stat == false\n");
+ ret = 0;
+ } else {
+ brcmf_dbg(INFO, "ctrl_frame_stat == true\n");
+ ret = -1;
+ }
+ }
+
+ if (ret == -1) {
+#ifdef BCMDBG
+ if (BRCMF_BYTES_ON() && BRCMF_CTL_ON()) {
+ printk(KERN_DEBUG "Tx Frame:\n");
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
+ frame, len);
+ } else if (BRCMF_HDRS_ON()) {
+ printk(KERN_DEBUG "TxHdr:\n");
+ print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
+ frame, min_t(u16, len, 16));
+ }
+#endif
+
+ do {
+ ret = brcmf_tx_frame(bus, frame, len);
+ } while (ret < 0 && retries++ < TXRETRIES);
+ }
+
+ if ((bus->idletime == BRCMF_IDLE_IMMEDIATE) && !bus->dpc_sched) {
+ bus->activity = false;
+ brcmf_sdbrcm_clkctl(bus, CLK_NONE, true);
+ }
+
+ up(&bus->sdsem);
+
+ if (ret)
+ bus->drvr->tx_ctlerrs++;
+ else
+ bus->drvr->tx_ctlpkts++;
+
+ return ret ? -EIO : 0;
+}
+
+int
+brcmf_sdbrcm_bus_rxctl(struct brcmf_bus *bus, unsigned char *msg, uint msglen)
+{
+ int timeleft;
+ uint rxlen = 0;
+ bool pending;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* Wait until control frame is available */
+ timeleft = brcmf_sdbrcm_dcmd_resp_wait(bus, &bus->rxlen, &pending);
+
+ down(&bus->sdsem);
+ rxlen = bus->rxlen;
+ memcpy(msg, bus->rxctl, min(msglen, rxlen));
+ bus->rxlen = 0;
+ up(&bus->sdsem);
+
+ if (rxlen) {
+ brcmf_dbg(CTL, "resumed on rxctl frame, got %d expected %d\n",
+ rxlen, msglen);
+ } else if (timeleft == 0) {
+ brcmf_dbg(ERROR, "resumed on timeout\n");
+ } else if (pending == true) {
+ brcmf_dbg(CTL, "cancelled\n");
+ return -ERESTARTSYS;
+ } else {
+ brcmf_dbg(CTL, "resumed for unknown reason?\n");
+ }
+
+ if (rxlen)
+ bus->drvr->rx_ctlpkts++;
+ else
+ bus->drvr->rx_ctlerrs++;
+
+ return rxlen ? (int)rxlen : -ETIMEDOUT;
+}
+
+static int brcmf_sdbrcm_downloadvars(struct brcmf_bus *bus, void *arg, int len)
+{
+ int bcmerror = 0;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* Basic sanity checks */
+ if (bus->drvr->up) {
+ bcmerror = -EISCONN;
+ goto err;
+ }
+ if (!len) {
+ bcmerror = -EOVERFLOW;
+ goto err;
+ }
+
+ /* Free the old ones and replace with passed variables */
+ kfree(bus->vars);
+
+ bus->vars = kmalloc(len, GFP_ATOMIC);
+ bus->varsz = bus->vars ? len : 0;
+ if (bus->vars == NULL) {
+ bcmerror = -ENOMEM;
+ goto err;
+ }
+
+ /* Copy the passed variables, which should include the
+ terminating double-null */
+ memcpy(bus->vars, arg, bus->varsz);
+err:
+ return bcmerror;
+}
+
+static int brcmf_sdbrcm_write_vars(struct brcmf_bus *bus)
+{
+ int bcmerror = 0;
+ u32 varsize;
+ u32 varaddr;
+ u8 *vbuffer;
+ u32 varsizew;
+ __le32 varsizew_le;
+#ifdef BCMDBG
+ char *nvram_ularray;
+#endif /* BCMDBG */
+
+ /* Even if there are no vars are to be written, we still
+ need to set the ramsize. */
+ varsize = bus->varsz ? roundup(bus->varsz, 4) : 0;
+ varaddr = (bus->ramsize - 4) - varsize;
+
+ if (bus->vars) {
+ vbuffer = kzalloc(varsize, GFP_ATOMIC);
+ if (!vbuffer)
+ return -ENOMEM;
+
+ memcpy(vbuffer, bus->vars, bus->varsz);
+
+ /* Write the vars list */
+ bcmerror =
+ brcmf_sdbrcm_membytes(bus, true, varaddr, vbuffer, varsize);
+#ifdef BCMDBG
+ /* Verify NVRAM bytes */
+ brcmf_dbg(INFO, "Compare NVRAM dl & ul; varsize=%d\n", varsize);
+ nvram_ularray = kmalloc(varsize, GFP_ATOMIC);
+ if (!nvram_ularray)
+ return -ENOMEM;
+
+ /* Upload image to verify downloaded contents. */
+ memset(nvram_ularray, 0xaa, varsize);
+
+ /* Read the vars list to temp buffer for comparison */
+ bcmerror =
+ brcmf_sdbrcm_membytes(bus, false, varaddr, nvram_ularray,
+ varsize);
+ if (bcmerror) {
+ brcmf_dbg(ERROR, "error %d on reading %d nvram bytes at 0x%08x\n",
+ bcmerror, varsize, varaddr);
+ }
+ /* Compare the org NVRAM with the one read from RAM */
+ if (memcmp(vbuffer, nvram_ularray, varsize))
+ brcmf_dbg(ERROR, "Downloaded NVRAM image is corrupted\n");
+ else
+ brcmf_dbg(ERROR, "Download/Upload/Compare of NVRAM ok\n");
+
+ kfree(nvram_ularray);
+#endif /* BCMDBG */
+
+ kfree(vbuffer);
+ }
+
+ /* adjust to the user specified RAM */
+ brcmf_dbg(INFO, "Physical memory size: %d\n", bus->ramsize);
+ brcmf_dbg(INFO, "Vars are at %d, orig varsize is %d\n",
+ varaddr, varsize);
+ varsize = ((bus->ramsize - 4) - varaddr);
+
+ /*
+ * Determine the length token:
+ * Varsize, converted to words, in lower 16-bits, checksum
+ * in upper 16-bits.
+ */
+ if (bcmerror) {
+ varsizew = 0;
+ varsizew_le = cpu_to_le32(0);
+ } else {
+ varsizew = varsize / 4;
+ varsizew = (~varsizew << 16) | (varsizew & 0x0000FFFF);
+ varsizew_le = cpu_to_le32(varsizew);
+ }
+
+ brcmf_dbg(INFO, "New varsize is %d, length token=0x%08x\n",
+ varsize, varsizew);
+
+ /* Write the length token to the last word */
+ bcmerror = brcmf_sdbrcm_membytes(bus, true, (bus->ramsize - 4),
+ (u8 *)&varsizew_le, 4);
+
+ return bcmerror;
+}
+
+static void
+brcmf_sdbrcm_chip_disablecore(struct brcmf_sdio_dev *sdiodev, u32 corebase)
+{
+ u32 regdata;
+
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbtmstatelow), 4);
+ if (regdata & SBTML_RESET)
+ return;
+
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbtmstatelow), 4);
+ if ((regdata & (SICF_CLOCK_EN << SBTML_SICF_SHIFT)) != 0) {
+ /*
+ * set target reject and spin until busy is clear
+ * (preserve core-specific bits)
+ */
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbtmstatelow), 4);
+ brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbtmstatelow),
+ 4, regdata | SBTML_REJ);
+
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbtmstatelow), 4);
+ udelay(1);
+ SPINWAIT((brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbtmstatehigh), 4) &
+ SBTMH_BUSY), 100000);
+
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbtmstatehigh), 4);
+ if (regdata & SBTMH_BUSY)
+ brcmf_dbg(ERROR, "ARM core still busy\n");
+
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbidlow), 4);
+ if (regdata & SBIDL_INIT) {
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbimstate), 4) |
+ SBIM_RJ;
+ brcmf_sdcard_reg_write(sdiodev,
+ CORE_SB(corebase, sbimstate), 4,
+ regdata);
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbimstate), 4);
+ udelay(1);
+ SPINWAIT((brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbimstate), 4) &
+ SBIM_BY), 100000);
+ }
+
+ /* set reset and reject while enabling the clocks */
+ brcmf_sdcard_reg_write(sdiodev,
+ CORE_SB(corebase, sbtmstatelow), 4,
+ (((SICF_FGC | SICF_CLOCK_EN) << SBTML_SICF_SHIFT) |
+ SBTML_REJ | SBTML_RESET));
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbtmstatelow), 4);
+ udelay(10);
+
+ /* clear the initiator reject bit */
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbidlow), 4);
+ if (regdata & SBIDL_INIT) {
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbimstate), 4) &
+ ~SBIM_RJ;
+ brcmf_sdcard_reg_write(sdiodev,
+ CORE_SB(corebase, sbimstate), 4,
+ regdata);
+ }
+ }
+
+ /* leave reset and reject asserted */
+ brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbtmstatelow), 4,
+ (SBTML_REJ | SBTML_RESET));
+ udelay(1);
+}
+
+static void
+brcmf_sdbrcm_chip_resetcore(struct brcmf_sdio_dev *sdiodev, u32 corebase)
+{
+ u32 regdata;
+
+ /*
+ * Must do the disable sequence first to work for
+ * arbitrary current core state.
+ */
+ brcmf_sdbrcm_chip_disablecore(sdiodev, corebase);
+
+ /*
+ * Now do the initialization sequence.
+ * set reset while enabling the clock and
+ * forcing them on throughout the core
+ */
+ brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbtmstatelow), 4,
+ ((SICF_FGC | SICF_CLOCK_EN) << SBTML_SICF_SHIFT) |
+ SBTML_RESET);
+ udelay(1);
+
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbtmstatehigh), 4);
+ if (regdata & SBTMH_SERR)
+ brcmf_sdcard_reg_write(sdiodev,
+ CORE_SB(corebase, sbtmstatehigh), 4, 0);
+
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(corebase, sbimstate), 4);
+ if (regdata & (SBIM_IBE | SBIM_TO))
+ brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbimstate), 4,
+ regdata & ~(SBIM_IBE | SBIM_TO));
+
+ /* clear reset and allow it to propagate throughout the core */
+ brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbtmstatelow), 4,
+ (SICF_FGC << SBTML_SICF_SHIFT) |
+ (SICF_CLOCK_EN << SBTML_SICF_SHIFT));
+ udelay(1);
+
+ /* leave clock enabled */
+ brcmf_sdcard_reg_write(sdiodev, CORE_SB(corebase, sbtmstatelow), 4,
+ (SICF_CLOCK_EN << SBTML_SICF_SHIFT));
+ udelay(1);
+}
+
+static int brcmf_sdbrcm_download_state(struct brcmf_bus *bus, bool enter)
+{
+ uint retries;
+ u32 regdata;
+ int bcmerror = 0;
+
+ /* To enter download state, disable ARM and reset SOCRAM.
+ * To exit download state, simply reset ARM (default is RAM boot).
+ */
+ if (enter) {
+ bus->alp_only = true;
+
+ brcmf_sdbrcm_chip_disablecore(bus->sdiodev,
+ bus->ci->armcorebase);
+
+ brcmf_sdbrcm_chip_resetcore(bus->sdiodev, bus->ci->ramcorebase);
+
+ /* Clear the top bit of memory */
+ if (bus->ramsize) {
+ u32 zeros = 0;
+ brcmf_sdbrcm_membytes(bus, true, bus->ramsize - 4,
+ (u8 *)&zeros, 4);
+ }
+ } else {
+ regdata = brcmf_sdcard_reg_read(bus->sdiodev,
+ CORE_SB(bus->ci->ramcorebase, sbtmstatelow), 4);
+ regdata &= (SBTML_RESET | SBTML_REJ_MASK |
+ (SICF_CLOCK_EN << SBTML_SICF_SHIFT));
+ if ((SICF_CLOCK_EN << SBTML_SICF_SHIFT) != regdata) {
+ brcmf_dbg(ERROR, "SOCRAM core is down after reset?\n");
+ bcmerror = -EBADE;
+ goto fail;
+ }
+
+ bcmerror = brcmf_sdbrcm_write_vars(bus);
+ if (bcmerror) {
+ brcmf_dbg(ERROR, "no vars written to RAM\n");
+ bcmerror = 0;
+ }
+
+ w_sdreg32(bus, 0xFFFFFFFF,
+ offsetof(struct sdpcmd_regs, intstatus), &retries);
+
+ brcmf_sdbrcm_chip_resetcore(bus->sdiodev, bus->ci->armcorebase);
+
+ /* Allow HT Clock now that the ARM is running. */
+ bus->alp_only = false;
+
+ bus->drvr->busstate = BRCMF_BUS_LOAD;
+ }
+fail:
+ return bcmerror;
+}
+
+static int brcmf_sdbrcm_get_image(char *buf, int len, struct brcmf_bus *bus)
+{
+ if (bus->firmware->size < bus->fw_ptr + len)
+ len = bus->firmware->size - bus->fw_ptr;
+
+ memcpy(buf, &bus->firmware->data[bus->fw_ptr], len);
+ bus->fw_ptr += len;
+ return len;
+}
+
+MODULE_FIRMWARE(BCM4329_FW_NAME);
+MODULE_FIRMWARE(BCM4329_NV_NAME);
+
+static int brcmf_sdbrcm_download_code_file(struct brcmf_bus *bus)
+{
+ int offset = 0;
+ uint len;
+ u8 *memblock = NULL, *memptr;
+ int ret;
+
+ brcmf_dbg(INFO, "Enter\n");
+
+ bus->fw_name = BCM4329_FW_NAME;
+ ret = request_firmware(&bus->firmware, bus->fw_name,
+ &bus->sdiodev->func[2]->dev);
+ if (ret) {
+ brcmf_dbg(ERROR, "Fail to request firmware %d\n", ret);
+ return ret;
+ }
+ bus->fw_ptr = 0;
+
+ memptr = memblock = kmalloc(MEMBLOCK + BRCMF_SDALIGN, GFP_ATOMIC);
+ if (memblock == NULL) {
+ ret = -ENOMEM;
+ goto err;
+ }
+ if ((u32)(unsigned long)memblock % BRCMF_SDALIGN)
+ memptr += (BRCMF_SDALIGN -
+ ((u32)(unsigned long)memblock % BRCMF_SDALIGN));
+
+ /* Download image */
+ while ((len =
+ brcmf_sdbrcm_get_image((char *)memptr, MEMBLOCK, bus))) {
+ ret = brcmf_sdbrcm_membytes(bus, true, offset, memptr, len);
+ if (ret) {
+ brcmf_dbg(ERROR, "error %d on writing %d membytes at 0x%08x\n",
+ ret, MEMBLOCK, offset);
+ goto err;
+ }
+
+ offset += MEMBLOCK;
+ }
+
+err:
+ kfree(memblock);
+
+ release_firmware(bus->firmware);
+ bus->fw_ptr = 0;
+
+ return ret;
+}
+
+/*
+ * ProcessVars:Takes a buffer of "<var>=<value>\n" lines read from a file
+ * and ending in a NUL.
+ * Removes carriage returns, empty lines, comment lines, and converts
+ * newlines to NULs.
+ * Shortens buffer as needed and pads with NULs. End of buffer is marked
+ * by two NULs.
+*/
+
+static uint brcmf_process_nvram_vars(char *varbuf, uint len)
+{
+ char *dp;
+ bool findNewline;
+ int column;
+ uint buf_len, n;
+
+ dp = varbuf;
+
+ findNewline = false;
+ column = 0;
+
+ for (n = 0; n < len; n++) {
+ if (varbuf[n] == 0)
+ break;
+ if (varbuf[n] == '\r')
+ continue;
+ if (findNewline && varbuf[n] != '\n')
+ continue;
+ findNewline = false;
+ if (varbuf[n] == '#') {
+ findNewline = true;
+ continue;
+ }
+ if (varbuf[n] == '\n') {
+ if (column == 0)
+ continue;
+ *dp++ = 0;
+ column = 0;
+ continue;
+ }
+ *dp++ = varbuf[n];
+ column++;
+ }
+ buf_len = dp - varbuf;
+
+ while (dp < varbuf + n)
+ *dp++ = 0;
+
+ return buf_len;
+}
+
+static int brcmf_sdbrcm_download_nvram(struct brcmf_bus *bus)
+{
+ uint len;
+ char *memblock = NULL;
+ char *bufp;
+ int ret;
+
+ bus->nv_name = BCM4329_NV_NAME;
+ ret = request_firmware(&bus->firmware, bus->nv_name,
+ &bus->sdiodev->func[2]->dev);
+ if (ret) {
+ brcmf_dbg(ERROR, "Fail to request nvram %d\n", ret);
+ return ret;
+ }
+ bus->fw_ptr = 0;
+
+ memblock = kmalloc(MEMBLOCK, GFP_ATOMIC);
+ if (memblock == NULL) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ len = brcmf_sdbrcm_get_image(memblock, MEMBLOCK, bus);
+
+ if (len > 0 && len < MEMBLOCK) {
+ bufp = (char *)memblock;
+ bufp[len] = 0;
+ len = brcmf_process_nvram_vars(bufp, len);
+ bufp += len;
+ *bufp++ = 0;
+ if (len)
+ ret = brcmf_sdbrcm_downloadvars(bus, memblock, len + 1);
+ if (ret)
+ brcmf_dbg(ERROR, "error downloading vars: %d\n", ret);
+ } else {
+ brcmf_dbg(ERROR, "error reading nvram file: %d\n", len);
+ ret = -EIO;
+ }
+
+err:
+ kfree(memblock);
+
+ release_firmware(bus->firmware);
+ bus->fw_ptr = 0;
+
+ return ret;
+}
+
+static int _brcmf_sdbrcm_download_firmware(struct brcmf_bus *bus)
+{
+ int bcmerror = -1;
+
+ /* Keep arm in reset */
+ if (brcmf_sdbrcm_download_state(bus, true)) {
+ brcmf_dbg(ERROR, "error placing ARM core in reset\n");
+ goto err;
+ }
+
+ /* External image takes precedence if specified */
+ if (brcmf_sdbrcm_download_code_file(bus)) {
+ brcmf_dbg(ERROR, "dongle image file download failed\n");
+ goto err;
+ }
+
+ /* External nvram takes precedence if specified */
+ if (brcmf_sdbrcm_download_nvram(bus))
+ brcmf_dbg(ERROR, "dongle nvram file download failed\n");
+
+ /* Take arm out of reset */
+ if (brcmf_sdbrcm_download_state(bus, false)) {
+ brcmf_dbg(ERROR, "error getting out of ARM core reset\n");
+ goto err;
+ }
+
+ bcmerror = 0;
+
+err:
+ return bcmerror;
+}
+
+static bool
+brcmf_sdbrcm_download_firmware(struct brcmf_bus *bus)
+{
+ bool ret;
+
+ /* Download the firmware */
+ brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false);
+
+ ret = _brcmf_sdbrcm_download_firmware(bus) == 0;
+
+ brcmf_sdbrcm_clkctl(bus, CLK_SDONLY, false);
+
+ return ret;
+}
+
+void brcmf_sdbrcm_bus_stop(struct brcmf_bus *bus)
+{
+ u32 local_hostintmask;
+ u8 saveclk;
+ uint retries;
+ int err;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (bus->watchdog_tsk) {
+ send_sig(SIGTERM, bus->watchdog_tsk, 1);
+ kthread_stop(bus->watchdog_tsk);
+ bus->watchdog_tsk = NULL;
+ }
+
+ if (bus->dpc_tsk && bus->dpc_tsk != current) {
+ send_sig(SIGTERM, bus->dpc_tsk, 1);
+ kthread_stop(bus->dpc_tsk);
+ bus->dpc_tsk = NULL;
+ }
+
+ down(&bus->sdsem);
+
+ bus_wake(bus);
+
+ /* Enable clock for device interrupts */
+ brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false);
+
+ /* Disable and clear interrupts at the chip level also */
+ w_sdreg32(bus, 0, offsetof(struct sdpcmd_regs, hostintmask), &retries);
+ local_hostintmask = bus->hostintmask;
+ bus->hostintmask = 0;
+
+ /* Change our idea of bus state */
+ bus->drvr->busstate = BRCMF_BUS_DOWN;
+
+ /* Force clocks on backplane to be sure F2 interrupt propagates */
+ saveclk = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR, &err);
+ if (!err) {
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR,
+ (saveclk | SBSDIO_FORCE_HT), &err);
+ }
+ if (err)
+ brcmf_dbg(ERROR, "Failed to force clock for F2: err %d\n", err);
+
+ /* Turn off the bus (F2), free any pending packets */
+ brcmf_dbg(INTR, "disable SDIO interrupts\n");
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_0, SDIO_CCCR_IOEx,
+ SDIO_FUNC_ENABLE_1, NULL);
+
+ /* Clear any pending interrupts now that F2 is disabled */
+ w_sdreg32(bus, local_hostintmask,
+ offsetof(struct sdpcmd_regs, intstatus), &retries);
+
+ /* Turn off the backplane clock (only) */
+ brcmf_sdbrcm_clkctl(bus, CLK_SDONLY, false);
+
+ /* Clear the data packet queues */
+ brcmu_pktq_flush(&bus->txq, true, NULL, NULL);
+
+ /* Clear any held glomming stuff */
+ if (bus->glomd)
+ brcmu_pkt_buf_free_skb(bus->glomd);
+
+ if (bus->glom)
+ brcmu_pkt_buf_free_skb(bus->glom);
+
+ bus->glom = bus->glomd = NULL;
+
+ /* Clear rx control and wake any waiters */
+ bus->rxlen = 0;
+ brcmf_sdbrcm_dcmd_resp_wake(bus);
+
+ /* Reset some F2 state stuff */
+ bus->rxskip = false;
+ bus->tx_seq = bus->rx_seq = 0;
+
+ up(&bus->sdsem);
+}
+
+int brcmf_sdbrcm_bus_init(struct brcmf_pub *drvr)
+{
+ struct brcmf_bus *bus = drvr->bus;
+ unsigned long timeout;
+ uint retries = 0;
+ u8 ready, enable;
+ int err, ret = 0;
+ u8 saveclk;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* try to download image and nvram to the dongle */
+ if (drvr->busstate == BRCMF_BUS_DOWN) {
+ if (!(brcmf_sdbrcm_download_firmware(bus)))
+ return -1;
+ }
+
+ if (!bus->drvr)
+ return 0;
+
+ /* Start the watchdog timer */
+ bus->drvr->tickcnt = 0;
+ brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
+
+ down(&bus->sdsem);
+
+ /* Make sure backplane clock is on, needed to generate F2 interrupt */
+ brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false);
+ if (bus->clkstate != CLK_AVAIL)
+ goto exit;
+
+ /* Force clocks on backplane to be sure F2 interrupt propagates */
+ saveclk =
+ brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR, &err);
+ if (!err) {
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR,
+ (saveclk | SBSDIO_FORCE_HT), &err);
+ }
+ if (err) {
+ brcmf_dbg(ERROR, "Failed to force clock for F2: err %d\n", err);
+ goto exit;
+ }
+
+ /* Enable function 2 (frame transfers) */
+ w_sdreg32(bus, SDPCM_PROT_VERSION << SMB_DATA_VERSION_SHIFT,
+ offsetof(struct sdpcmd_regs, tosbmailboxdata), &retries);
+ enable = (SDIO_FUNC_ENABLE_1 | SDIO_FUNC_ENABLE_2);
+
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_0, SDIO_CCCR_IOEx,
+ enable, NULL);
+
+ timeout = jiffies + msecs_to_jiffies(BRCMF_WAIT_F2RDY);
+ ready = 0;
+ while (enable != ready) {
+ ready = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_0,
+ SDIO_CCCR_IORx, NULL);
+ if (time_after(jiffies, timeout))
+ break;
+ else if (time_after(jiffies, timeout - BRCMF_WAIT_F2RDY + 50))
+ /* prevent busy waiting if it takes too long */
+ msleep_interruptible(20);
+ }
+
+ brcmf_dbg(INFO, "enable 0x%02x, ready 0x%02x\n", enable, ready);
+
+ /* If F2 successfully enabled, set core and enable interrupts */
+ if (ready == enable) {
+ /* Set up the interrupt mask and enable interrupts */
+ bus->hostintmask = HOSTINTMASK;
+ w_sdreg32(bus, bus->hostintmask,
+ offsetof(struct sdpcmd_regs, hostintmask), &retries);
+
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_WATERMARK, 8, &err);
+
+ /* Set bus state according to enable result */
+ drvr->busstate = BRCMF_BUS_DATA;
+ }
+
+ else {
+ /* Disable F2 again */
+ enable = SDIO_FUNC_ENABLE_1;
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_0,
+ SDIO_CCCR_IOEx, enable, NULL);
+ }
+
+ /* Restore previous clock setting */
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR, saveclk, &err);
+
+ /* If we didn't come up, turn off backplane clock */
+ if (drvr->busstate != BRCMF_BUS_DATA)
+ brcmf_sdbrcm_clkctl(bus, CLK_NONE, false);
+
+exit:
+ up(&bus->sdsem);
+
+ return ret;
+}
+
+void brcmf_sdbrcm_isr(void *arg)
+{
+ struct brcmf_bus *bus = (struct brcmf_bus *) arg;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (!bus) {
+ brcmf_dbg(ERROR, "bus is null pointer, exiting\n");
+ return;
+ }
+
+ if (bus->drvr->busstate == BRCMF_BUS_DOWN) {
+ brcmf_dbg(ERROR, "bus is down. we have nothing to do\n");
+ return;
+ }
+ /* Count the interrupt call */
+ bus->intrcount++;
+ bus->ipend = true;
+
+ /* Shouldn't get this interrupt if we're sleeping? */
+ if (bus->sleeping) {
+ brcmf_dbg(ERROR, "INTERRUPT WHILE SLEEPING??\n");
+ return;
+ }
+
+ /* Disable additional interrupts (is this needed now)? */
+ if (!bus->intr)
+ brcmf_dbg(ERROR, "isr w/o interrupt configured!\n");
+
+ bus->dpc_sched = true;
+ if (bus->dpc_tsk)
+ complete(&bus->dpc_wait);
+}
+
+static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_pub *drvr)
+{
+ struct brcmf_bus *bus;
+
+ brcmf_dbg(TIMER, "Enter\n");
+
+ bus = drvr->bus;
+
+ /* Ignore the timer if simulating bus down */
+ if (bus->sleeping)
+ return false;
+
+ down(&bus->sdsem);
+
+ /* Poll period: check device if appropriate. */
+ if (bus->poll && (++bus->polltick >= bus->pollrate)) {
+ u32 intstatus = 0;
+
+ /* Reset poll tick */
+ bus->polltick = 0;
+
+ /* Check device if no interrupts */
+ if (!bus->intr || (bus->intrcount == bus->lastintrs)) {
+
+ if (!bus->dpc_sched) {
+ u8 devpend;
+ devpend = brcmf_sdcard_cfg_read(bus->sdiodev,
+ SDIO_FUNC_0, SDIO_CCCR_INTx,
+ NULL);
+ intstatus =
+ devpend & (INTR_STATUS_FUNC1 |
+ INTR_STATUS_FUNC2);
+ }
+
+ /* If there is something, make like the ISR and
+ schedule the DPC */
+ if (intstatus) {
+ bus->pollcnt++;
+ bus->ipend = true;
+
+ bus->dpc_sched = true;
+ if (bus->dpc_tsk)
+ complete(&bus->dpc_wait);
+ }
+ }
+
+ /* Update interrupt tracking */
+ bus->lastintrs = bus->intrcount;
+ }
+#ifdef BCMDBG
+ /* Poll for console output periodically */
+ if (drvr->busstate == BRCMF_BUS_DATA && bus->console_interval != 0) {
+ bus->console.count += BRCMF_WD_POLL_MS;
+ if (bus->console.count >= bus->console_interval) {
+ bus->console.count -= bus->console_interval;
+ /* Make sure backplane clock is on */
+ brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false);
+ if (brcmf_sdbrcm_readconsole(bus) < 0)
+ /* stop on error */
+ bus->console_interval = 0;
+ }
+ }
+#endif /* BCMDBG */
+
+ /* On idle timeout clear activity flag and/or turn off clock */
+ if ((bus->idletime > 0) && (bus->clkstate == CLK_AVAIL)) {
+ if (++bus->idlecount >= bus->idletime) {
+ bus->idlecount = 0;
+ if (bus->activity) {
+ bus->activity = false;
+ brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
+ } else {
+ brcmf_sdbrcm_clkctl(bus, CLK_NONE, false);
+ }
+ }
+ }
+
+ up(&bus->sdsem);
+
+ return bus->ipend;
+}
+
+static bool brcmf_sdbrcm_chipmatch(u16 chipid)
+{
+ if (chipid == BCM4329_CHIP_ID)
+ return true;
+ return false;
+}
+
+static void brcmf_sdbrcm_release_malloc(struct brcmf_bus *bus)
+{
+ brcmf_dbg(TRACE, "Enter\n");
+
+ kfree(bus->rxbuf);
+ bus->rxctl = bus->rxbuf = NULL;
+ bus->rxlen = 0;
+
+ kfree(bus->databuf);
+ bus->databuf = NULL;
+}
+
+static bool brcmf_sdbrcm_probe_malloc(struct brcmf_bus *bus)
+{
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (bus->drvr->maxctl) {
+ bus->rxblen =
+ roundup((bus->drvr->maxctl + SDPCM_HDRLEN),
+ ALIGNMENT) + BRCMF_SDALIGN;
+ bus->rxbuf = kmalloc(bus->rxblen, GFP_ATOMIC);
+ if (!(bus->rxbuf))
+ goto fail;
+ }
+
+ /* Allocate buffer to receive glomed packet */
+ bus->databuf = kmalloc(MAX_DATA_BUF, GFP_ATOMIC);
+ if (!(bus->databuf)) {
+ /* release rxbuf which was already located as above */
+ if (!bus->rxblen)
+ kfree(bus->rxbuf);
+ goto fail;
+ }
+
+ /* Align the buffer */
+ if ((unsigned long)bus->databuf % BRCMF_SDALIGN)
+ bus->dataptr = bus->databuf + (BRCMF_SDALIGN -
+ ((unsigned long)bus->databuf % BRCMF_SDALIGN));
+ else
+ bus->dataptr = bus->databuf;
+
+ return true;
+
+fail:
+ return false;
+}
+
+/* SDIO Pad drive strength to select value mappings */
+struct sdiod_drive_str {
+ u8 strength; /* Pad Drive Strength in mA */
+ u8 sel; /* Chip-specific select value */
+};
+
+/* SDIO Drive Strength to sel value table for PMU Rev 1 */
+static const struct sdiod_drive_str sdiod_drive_strength_tab1[] = {
+ {
+ 4, 0x2}, {
+ 2, 0x3}, {
+ 1, 0x0}, {
+ 0, 0x0}
+ };
+
+/* SDIO Drive Strength to sel value table for PMU Rev 2, 3 */
+static const struct sdiod_drive_str sdiod_drive_strength_tab2[] = {
+ {
+ 12, 0x7}, {
+ 10, 0x6}, {
+ 8, 0x5}, {
+ 6, 0x4}, {
+ 4, 0x2}, {
+ 2, 0x1}, {
+ 0, 0x0}
+ };
+
+/* SDIO Drive Strength to sel value table for PMU Rev 8 (1.8V) */
+static const struct sdiod_drive_str sdiod_drive_strength_tab3[] = {
+ {
+ 32, 0x7}, {
+ 26, 0x6}, {
+ 22, 0x5}, {
+ 16, 0x4}, {
+ 12, 0x3}, {
+ 8, 0x2}, {
+ 4, 0x1}, {
+ 0, 0x0}
+ };
+
+#define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu))
+
+static void brcmf_sdbrcm_sdiod_drive_strength_init(struct brcmf_bus *bus,
+ u32 drivestrength) {
+ struct sdiod_drive_str *str_tab = NULL;
+ u32 str_mask = 0;
+ u32 str_shift = 0;
+ char chn[8];
+
+ if (!(bus->ci->cccaps & CC_CAP_PMU))
+ return;
+
+ switch (SDIOD_DRVSTR_KEY(bus->ci->chip, bus->ci->pmurev)) {
+ case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 1):
+ str_tab = (struct sdiod_drive_str *)&sdiod_drive_strength_tab1;
+ str_mask = 0x30000000;
+ str_shift = 28;
+ break;
+ case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 2):
+ case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 3):
+ str_tab = (struct sdiod_drive_str *)&sdiod_drive_strength_tab2;
+ str_mask = 0x00003800;
+ str_shift = 11;
+ break;
+ case SDIOD_DRVSTR_KEY(BCM4336_CHIP_ID, 8):
+ str_tab = (struct sdiod_drive_str *)&sdiod_drive_strength_tab3;
+ str_mask = 0x00003800;
+ str_shift = 11;
+ break;
+ default:
+ brcmf_dbg(ERROR, "No SDIO Drive strength init done for chip %s rev %d pmurev %d\n",
+ brcmu_chipname(bus->ci->chip, chn, 8),
+ bus->ci->chiprev, bus->ci->pmurev);
+ break;
+ }
+
+ if (str_tab != NULL) {
+ u32 drivestrength_sel = 0;
+ u32 cc_data_temp;
+ int i;
+
+ for (i = 0; str_tab[i].strength != 0; i++) {
+ if (drivestrength >= str_tab[i].strength) {
+ drivestrength_sel = str_tab[i].sel;
+ break;
+ }
+ }
+
+ brcmf_sdcard_reg_write(bus->sdiodev,
+ CORE_CC_REG(bus->ci->cccorebase, chipcontrol_addr),
+ 4, 1);
+ cc_data_temp = brcmf_sdcard_reg_read(bus->sdiodev,
+ CORE_CC_REG(bus->ci->cccorebase, chipcontrol_addr), 4);
+ cc_data_temp &= ~str_mask;
+ drivestrength_sel <<= str_shift;
+ cc_data_temp |= drivestrength_sel;
+ brcmf_sdcard_reg_write(bus->sdiodev,
+ CORE_CC_REG(bus->ci->cccorebase, chipcontrol_addr),
+ 4, cc_data_temp);
+
+ brcmf_dbg(INFO, "SDIO: %dmA drive strength selected, set to 0x%08x\n",
+ drivestrength, cc_data_temp);
+ }
+}
+
+static int
+brcmf_sdbrcm_chip_recognition(struct brcmf_sdio_dev *sdiodev,
+ struct chip_info *ci, u32 regs)
+{
+ u32 regdata;
+
+ /*
+ * Get CC core rev
+ * Chipid is assume to be at offset 0 from regs arg
+ * For different chiptypes or old sdio hosts w/o chipcommon,
+ * other ways of recognition should be added here.
+ */
+ ci->cccorebase = regs;
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_CC_REG(ci->cccorebase, chipid), 4);
+ ci->chip = regdata & CID_ID_MASK;
+ ci->chiprev = (regdata & CID_REV_MASK) >> CID_REV_SHIFT;
+
+ brcmf_dbg(INFO, "chipid=0x%x chiprev=%d\n", ci->chip, ci->chiprev);
+
+ /* Address of cores for new chips should be added here */
+ switch (ci->chip) {
+ case BCM4329_CHIP_ID:
+ ci->buscorebase = BCM4329_CORE_BUS_BASE;
+ ci->ramcorebase = BCM4329_CORE_SOCRAM_BASE;
+ ci->armcorebase = BCM4329_CORE_ARM_BASE;
+ ci->ramsize = BCM4329_RAMSIZE;
+ break;
+ default:
+ brcmf_dbg(ERROR, "chipid 0x%x is not supported\n", ci->chip);
+ return -ENODEV;
+ }
+
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(ci->cccorebase, sbidhigh), 4);
+ ci->ccrev = SBCOREREV(regdata);
+
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_CC_REG(ci->cccorebase, pmucapabilities), 4);
+ ci->pmurev = regdata & PCAP_REV_MASK;
+
+ regdata = brcmf_sdcard_reg_read(sdiodev,
+ CORE_SB(ci->buscorebase, sbidhigh), 4);
+ ci->buscorerev = SBCOREREV(regdata);
+ ci->buscoretype = (regdata & SBIDH_CC_MASK) >> SBIDH_CC_SHIFT;
+
+ brcmf_dbg(INFO, "ccrev=%d, pmurev=%d, buscore rev/type=%d/0x%x\n",
+ ci->ccrev, ci->pmurev, ci->buscorerev, ci->buscoretype);
+
+ /* get chipcommon capabilites */
+ ci->cccaps = brcmf_sdcard_reg_read(sdiodev,
+ CORE_CC_REG(ci->cccorebase, capabilities), 4);
+
+ return 0;
+}
+
+static int
+brcmf_sdbrcm_chip_attach(struct brcmf_bus *bus, u32 regs)
+{
+ struct chip_info *ci;
+ int err;
+ u8 clkval, clkset;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* alloc chip_info_t */
+ ci = kzalloc(sizeof(struct chip_info), GFP_ATOMIC);
+ if (NULL == ci)
+ return -ENOMEM;
+
+ /* bus/core/clk setup for register access */
+ /* Try forcing SDIO core to do ALPAvail request only */
+ clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_ALP_AVAIL_REQ;
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR, clkset, &err);
+ if (err) {
+ brcmf_dbg(ERROR, "error writing for HT off\n");
+ goto fail;
+ }
+
+ /* If register supported, wait for ALPAvail and then force ALP */
+ /* This may take up to 15 milliseconds */
+ clkval = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR, NULL);
+ if ((clkval & ~SBSDIO_AVBITS) == clkset) {
+ SPINWAIT(((clkval =
+ brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR,
+ NULL)),
+ !SBSDIO_ALPAV(clkval)),
+ PMU_MAX_TRANSITION_DLY);
+ if (!SBSDIO_ALPAV(clkval)) {
+ brcmf_dbg(ERROR, "timeout on ALPAV wait, clkval 0x%02x\n",
+ clkval);
+ err = -EBUSY;
+ goto fail;
+ }
+ clkset = SBSDIO_FORCE_HW_CLKREQ_OFF |
+ SBSDIO_FORCE_ALP;
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR,
+ clkset, &err);
+ udelay(65);
+ } else {
+ brcmf_dbg(ERROR, "ChipClkCSR access: wrote 0x%02x read 0x%02x\n",
+ clkset, clkval);
+ err = -EACCES;
+ goto fail;
+ }
+
+ /* Also, disable the extra SDIO pull-ups */
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_SDIOPULLUP, 0, NULL);
+
+ err = brcmf_sdbrcm_chip_recognition(bus->sdiodev, ci, regs);
+ if (err)
+ goto fail;
+
+ /*
+ * Make sure any on-chip ARM is off (in case strapping is wrong),
+ * or downloaded code was already running.
+ */
+ brcmf_sdbrcm_chip_disablecore(bus->sdiodev, ci->armcorebase);
+
+ brcmf_sdcard_reg_write(bus->sdiodev,
+ CORE_CC_REG(ci->cccorebase, gpiopullup), 4, 0);
+ brcmf_sdcard_reg_write(bus->sdiodev,
+ CORE_CC_REG(ci->cccorebase, gpiopulldown), 4, 0);
+
+ /* Disable F2 to clear any intermediate frame state on the dongle */
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_0, SDIO_CCCR_IOEx,
+ SDIO_FUNC_ENABLE_1, NULL);
+
+ /* WAR: cmd52 backplane read so core HW will drop ALPReq */
+ clkval = brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ 0, NULL);
+
+ /* Done with backplane-dependent accesses, can drop clock... */
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL);
+
+ bus->ci = ci;
+ return 0;
+fail:
+ bus->ci = NULL;
+ kfree(ci);
+ return err;
+}
+
+static bool
+brcmf_sdbrcm_probe_attach(struct brcmf_bus *bus, u32 regsva)
+{
+ u8 clkctl = 0;
+ int err = 0;
+ int reg_addr;
+ u32 reg_val;
+
+ bus->alp_only = true;
+
+ /* Return the window to backplane enumeration space for core access */
+ if (brcmf_sdcard_set_sbaddr_window(bus->sdiodev, SI_ENUM_BASE))
+ brcmf_dbg(ERROR, "FAILED to return to SI_ENUM_BASE\n");
+
+#ifdef BCMDBG
+ printk(KERN_DEBUG "F1 signature read @0x18000000=0x%4x\n",
+ brcmf_sdcard_reg_read(bus->sdiodev, SI_ENUM_BASE, 4));
+
+#endif /* BCMDBG */
+
+ /*
+ * Force PLL off until brcmf_sdbrcm_chip_attach()
+ * programs PLL control regs
+ */
+
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR,
+ BRCMF_INIT_CLKCTL1, &err);
+ if (!err)
+ clkctl =
+ brcmf_sdcard_cfg_read(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR, &err);
+
+ if (err || ((clkctl & ~SBSDIO_AVBITS) != BRCMF_INIT_CLKCTL1)) {
+ brcmf_dbg(ERROR, "ChipClkCSR access: err %d wrote 0x%02x read 0x%02x\n",
+ err, BRCMF_INIT_CLKCTL1, clkctl);
+ goto fail;
+ }
+
+ if (brcmf_sdbrcm_chip_attach(bus, regsva)) {
+ brcmf_dbg(ERROR, "brcmf_sdbrcm_chip_attach failed!\n");
+ goto fail;
+ }
+
+ if (!brcmf_sdbrcm_chipmatch((u16) bus->ci->chip)) {
+ brcmf_dbg(ERROR, "unsupported chip: 0x%04x\n", bus->ci->chip);
+ goto fail;
+ }
+
+ brcmf_sdbrcm_sdiod_drive_strength_init(bus, SDIO_DRIVE_STRENGTH);
+
+ /* Get info on the ARM and SOCRAM cores... */
+ brcmf_sdcard_reg_read(bus->sdiodev,
+ CORE_SB(bus->ci->armcorebase, sbidhigh), 4);
+ bus->ramsize = bus->ci->ramsize;
+ if (!(bus->ramsize)) {
+ brcmf_dbg(ERROR, "failed to find SOCRAM memory!\n");
+ goto fail;
+ }
+
+ /* Set core control so an SDIO reset does a backplane reset */
+ reg_addr = bus->ci->buscorebase +
+ offsetof(struct sdpcmd_regs, corecontrol);
+ reg_val = brcmf_sdcard_reg_read(bus->sdiodev, reg_addr, sizeof(u32));
+ brcmf_sdcard_reg_write(bus->sdiodev, reg_addr, sizeof(u32),
+ reg_val | CC_BPRESEN);
+
+ brcmu_pktq_init(&bus->txq, (PRIOMASK + 1), TXQLEN);
+
+ /* Locate an appropriately-aligned portion of hdrbuf */
+ bus->rxhdr = (u8 *) roundup((unsigned long)&bus->hdrbuf[0],
+ BRCMF_SDALIGN);
+
+ /* Set the poll and/or interrupt flags */
+ bus->intr = true;
+ bus->poll = false;
+ if (bus->poll)
+ bus->pollrate = 1;
+
+ return true;
+
+fail:
+ return false;
+}
+
+static bool brcmf_sdbrcm_probe_init(struct brcmf_bus *bus)
+{
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* Disable F2 to clear any intermediate frame state on the dongle */
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_0, SDIO_CCCR_IOEx,
+ SDIO_FUNC_ENABLE_1, NULL);
+
+ bus->drvr->busstate = BRCMF_BUS_DOWN;
+ bus->sleeping = false;
+ bus->rxflow = false;
+
+ /* Done with backplane-dependent accesses, can drop clock... */
+ brcmf_sdcard_cfg_write(bus->sdiodev, SDIO_FUNC_1,
+ SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL);
+
+ /* ...and initialize clock/power states */
+ bus->clkstate = CLK_SDONLY;
+ bus->idletime = BRCMF_IDLE_INTERVAL;
+ bus->idleclock = BRCMF_IDLE_ACTIVE;
+
+ /* Query the F2 block size, set roundup accordingly */
+ bus->blocksize = bus->sdiodev->func[2]->cur_blksize;
+ bus->roundup = min(max_roundup, bus->blocksize);
+
+ /* bus module does not support packet chaining */
+ bus->use_rxchain = false;
+ bus->sd_rxchain = false;
+
+ return true;
+}
+
+static int
+brcmf_sdbrcm_watchdog_thread(void *data)
+{
+ struct brcmf_bus *bus = (struct brcmf_bus *)data;
+
+ allow_signal(SIGTERM);
+ /* Run until signal received */
+ while (1) {
+ if (kthread_should_stop())
+ break;
+ if (!wait_for_completion_interruptible(&bus->watchdog_wait)) {
+ brcmf_sdbrcm_bus_watchdog(bus->drvr);
+ /* Count the tick for reference */
+ bus->drvr->tickcnt++;
+ } else
+ break;
+ }
+ return 0;
+}
+
+static void
+brcmf_sdbrcm_watchdog(unsigned long data)
+{
+ struct brcmf_bus *bus = (struct brcmf_bus *)data;
+
+ if (bus->watchdog_tsk) {
+ complete(&bus->watchdog_wait);
+ /* Reschedule the watchdog */
+ if (bus->wd_timer_valid)
+ mod_timer(&bus->timer,
+ jiffies + BRCMF_WD_POLL_MS * HZ / 1000);
+ }
+}
+
+static void
+brcmf_sdbrcm_chip_detach(struct brcmf_bus *bus)
+{
+ brcmf_dbg(TRACE, "Enter\n");
+
+ kfree(bus->ci);
+ bus->ci = NULL;
+}
+
+static void brcmf_sdbrcm_release_dongle(struct brcmf_bus *bus)
+{
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (bus->ci) {
+ brcmf_sdbrcm_clkctl(bus, CLK_AVAIL, false);
+ brcmf_sdbrcm_clkctl(bus, CLK_NONE, false);
+ brcmf_sdbrcm_chip_detach(bus);
+ if (bus->vars && bus->varsz)
+ kfree(bus->vars);
+ bus->vars = NULL;
+ }
+
+ brcmf_dbg(TRACE, "Disconnected\n");
+}
+
+/* Detach and free everything */
+static void brcmf_sdbrcm_release(struct brcmf_bus *bus)
+{
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (bus) {
+ /* De-register interrupt handler */
+ brcmf_sdcard_intr_dereg(bus->sdiodev);
+
+ if (bus->drvr) {
+ brcmf_detach(bus->drvr);
+ brcmf_sdbrcm_release_dongle(bus);
+ bus->drvr = NULL;
+ }
+
+ brcmf_sdbrcm_release_malloc(bus);
+
+ kfree(bus);
+ }
+
+ brcmf_dbg(TRACE, "Disconnected\n");
+}
+
+void *brcmf_sdbrcm_probe(u16 bus_no, u16 slot, u16 func, uint bustype,
+ u32 regsva, struct brcmf_sdio_dev *sdiodev)
+{
+ int ret;
+ struct brcmf_bus *bus;
+
+ /* Init global variables at run-time, not as part of the declaration.
+ * This is required to support init/de-init of the driver.
+ * Initialization
+ * of globals as part of the declaration results in non-deterministic
+ * behavior since the value of the globals may be different on the
+ * first time that the driver is initialized vs subsequent
+ * initializations.
+ */
+ brcmf_c_init();
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ /* We make an assumption about address window mappings:
+ * regsva == SI_ENUM_BASE*/
+
+ /* Allocate private bus interface state */
+ bus = kzalloc(sizeof(struct brcmf_bus), GFP_ATOMIC);
+ if (!bus)
+ goto fail;
+
+ bus->sdiodev = sdiodev;
+ sdiodev->bus = bus;
+ bus->txbound = BRCMF_TXBOUND;
+ bus->rxbound = BRCMF_RXBOUND;
+ bus->txminmax = BRCMF_TXMINMAX;
+ bus->tx_seq = SDPCM_SEQUENCE_WRAP - 1;
+ bus->usebufpool = false; /* Use bufpool if allocated,
+ else use locally malloced rxbuf */
+
+ /* attempt to attach to the dongle */
+ if (!(brcmf_sdbrcm_probe_attach(bus, regsva))) {
+ brcmf_dbg(ERROR, "brcmf_sdbrcm_probe_attach failed\n");
+ goto fail;
+ }
+
+ spin_lock_init(&bus->txqlock);
+ init_waitqueue_head(&bus->ctrl_wait);
+ init_waitqueue_head(&bus->dcmd_resp_wait);
+
+ /* Set up the watchdog timer */
+ init_timer(&bus->timer);
+ bus->timer.data = (unsigned long)bus;
+ bus->timer.function = brcmf_sdbrcm_watchdog;
+
+ /* Initialize thread based operation and lock */
+ sema_init(&bus->sdsem, 1);
+
+ /* Initialize watchdog thread */
+ init_completion(&bus->watchdog_wait);
+ bus->watchdog_tsk = kthread_run(brcmf_sdbrcm_watchdog_thread,
+ bus, "brcmf_watchdog");
+ if (IS_ERR(bus->watchdog_tsk)) {
+ printk(KERN_WARNING
+ "brcmf_watchdog thread failed to start\n");
+ bus->watchdog_tsk = NULL;
+ }
+ /* Initialize DPC thread */
+ init_completion(&bus->dpc_wait);
+ bus->dpc_tsk = kthread_run(brcmf_sdbrcm_dpc_thread,
+ bus, "brcmf_dpc");
+ if (IS_ERR(bus->dpc_tsk)) {
+ printk(KERN_WARNING
+ "brcmf_dpc thread failed to start\n");
+ bus->dpc_tsk = NULL;
+ }
+
+ /* Attach to the brcmf/OS/network interface */
+ bus->drvr = brcmf_attach(bus, SDPCM_RESERVE);
+ if (!bus->drvr) {
+ brcmf_dbg(ERROR, "brcmf_attach failed\n");
+ goto fail;
+ }
+
+ /* Allocate buffers */
+ if (!(brcmf_sdbrcm_probe_malloc(bus))) {
+ brcmf_dbg(ERROR, "brcmf_sdbrcm_probe_malloc failed\n");
+ goto fail;
+ }
+
+ if (!(brcmf_sdbrcm_probe_init(bus))) {
+ brcmf_dbg(ERROR, "brcmf_sdbrcm_probe_init failed\n");
+ goto fail;
+ }
+
+ /* Register interrupt callback, but mask it (not operational yet). */
+ brcmf_dbg(INTR, "disable SDIO interrupts (not interested yet)\n");
+ ret = brcmf_sdcard_intr_reg(bus->sdiodev);
+ if (ret != 0) {
+ brcmf_dbg(ERROR, "FAILED: sdcard_intr_reg returned %d\n", ret);
+ goto fail;
+ }
+ brcmf_dbg(INTR, "registered SDIO interrupt function ok\n");
+
+ brcmf_dbg(INFO, "completed!!\n");
+
+ /* if firmware path present try to download and bring up bus */
+ ret = brcmf_bus_start(bus->drvr);
+ if (ret != 0) {
+ if (ret == -ENOLINK) {
+ brcmf_dbg(ERROR, "dongle is not responding\n");
+ goto fail;
+ }
+ }
+ /* Ok, have the per-port tell the stack we're open for business */
+ if (brcmf_net_attach(bus->drvr, 0) != 0) {
+ brcmf_dbg(ERROR, "Net attach failed!!\n");
+ goto fail;
+ }
+
+ return bus;
+
+fail:
+ brcmf_sdbrcm_release(bus);
+ return NULL;
+}
+
+void brcmf_sdbrcm_disconnect(void *ptr)
+{
+ struct brcmf_bus *bus = (struct brcmf_bus *)ptr;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ if (bus)
+ brcmf_sdbrcm_release(bus);
+
+ brcmf_dbg(TRACE, "Disconnected\n");
+}
+
+struct device *brcmf_bus_get_device(struct brcmf_bus *bus)
+{
+ return &bus->sdiodev->func[2]->dev;
+}
+
+void
+brcmf_sdbrcm_wd_timer(struct brcmf_bus *bus, uint wdtick)
+{
+ /* don't start the wd until fw is loaded */
+ if (bus->drvr->busstate == BRCMF_BUS_DOWN)
+ return;
+
+ /* Totally stop the timer */
+ if (!wdtick && bus->wd_timer_valid == true) {
+ del_timer_sync(&bus->timer);
+ bus->wd_timer_valid = false;
+ bus->save_ms = wdtick;
+ return;
+ }
+
+ if (wdtick) {
+ if (bus->save_ms != BRCMF_WD_POLL_MS) {
+ if (bus->wd_timer_valid == true)
+ /* Stop timer and restart at new value */
+ del_timer_sync(&bus->timer);
+
+ /* Create timer again when watchdog period is
+ dynamically changed or in the first instance
+ */
+ bus->timer.expires =
+ jiffies + BRCMF_WD_POLL_MS * HZ / 1000;
+ add_timer(&bus->timer);
+
+ } else {
+ /* Re arm the timer, at last watchdog period */
+ mod_timer(&bus->timer,
+ jiffies + BRCMF_WD_POLL_MS * HZ / 1000);
+ }
+
+ bus->wd_timer_valid = true;
+ bus->save_ms = wdtick;
+ }
+}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h
new file mode 100644
index 000000000000..726fa8981113
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h
@@ -0,0 +1,252 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _BRCM_SDH_H_
+#define _BRCM_SDH_H_
+
+#include <linux/skbuff.h>
+
+#define SDIO_FUNC_0 0
+#define SDIO_FUNC_1 1
+#define SDIO_FUNC_2 2
+
+#define SDIOD_FBR_SIZE 0x100
+
+/* io_en */
+#define SDIO_FUNC_ENABLE_1 0x02
+#define SDIO_FUNC_ENABLE_2 0x04
+
+/* io_rdys */
+#define SDIO_FUNC_READY_1 0x02
+#define SDIO_FUNC_READY_2 0x04
+
+/* intr_status */
+#define INTR_STATUS_FUNC1 0x2
+#define INTR_STATUS_FUNC2 0x4
+
+/* Maximum number of I/O funcs */
+#define SDIOD_MAX_IOFUNCS 7
+
+/* as of sdiod rev 0, supports 3 functions */
+#define SBSDIO_NUM_FUNCTION 3
+
+/* function 1 miscellaneous registers */
+
+/* sprom command and status */
+#define SBSDIO_SPROM_CS 0x10000
+/* sprom info register */
+#define SBSDIO_SPROM_INFO 0x10001
+/* sprom indirect access data byte 0 */
+#define SBSDIO_SPROM_DATA_LOW 0x10002
+/* sprom indirect access data byte 1 */
+#define SBSDIO_SPROM_DATA_HIGH 0x10003
+/* sprom indirect access addr byte 0 */
+#define SBSDIO_SPROM_ADDR_LOW 0x10004
+/* sprom indirect access addr byte 0 */
+#define SBSDIO_SPROM_ADDR_HIGH 0x10005
+/* xtal_pu (gpio) output */
+#define SBSDIO_CHIP_CTRL_DATA 0x10006
+/* xtal_pu (gpio) enable */
+#define SBSDIO_CHIP_CTRL_EN 0x10007
+/* rev < 7, watermark for sdio device */
+#define SBSDIO_WATERMARK 0x10008
+/* control busy signal generation */
+#define SBSDIO_DEVICE_CTL 0x10009
+
+/* SB Address Window Low (b15) */
+#define SBSDIO_FUNC1_SBADDRLOW 0x1000A
+/* SB Address Window Mid (b23:b16) */
+#define SBSDIO_FUNC1_SBADDRMID 0x1000B
+/* SB Address Window High (b31:b24) */
+#define SBSDIO_FUNC1_SBADDRHIGH 0x1000C
+/* Frame Control (frame term/abort) */
+#define SBSDIO_FUNC1_FRAMECTRL 0x1000D
+/* ChipClockCSR (ALP/HT ctl/status) */
+#define SBSDIO_FUNC1_CHIPCLKCSR 0x1000E
+/* SdioPullUp (on cmd, d0-d2) */
+#define SBSDIO_FUNC1_SDIOPULLUP 0x1000F
+/* Write Frame Byte Count Low */
+#define SBSDIO_FUNC1_WFRAMEBCLO 0x10019
+/* Write Frame Byte Count High */
+#define SBSDIO_FUNC1_WFRAMEBCHI 0x1001A
+/* Read Frame Byte Count Low */
+#define SBSDIO_FUNC1_RFRAMEBCLO 0x1001B
+/* Read Frame Byte Count High */
+#define SBSDIO_FUNC1_RFRAMEBCHI 0x1001C
+
+#define SBSDIO_FUNC1_MISC_REG_START 0x10000 /* f1 misc register start */
+#define SBSDIO_FUNC1_MISC_REG_LIMIT 0x1001C /* f1 misc register end */
+
+/* function 1 OCP space */
+
+/* sb offset addr is <= 15 bits, 32k */
+#define SBSDIO_SB_OFT_ADDR_MASK 0x07FFF
+#define SBSDIO_SB_OFT_ADDR_LIMIT 0x08000
+/* with b15, maps to 32-bit SB access */
+#define SBSDIO_SB_ACCESS_2_4B_FLAG 0x08000
+
+/* valid bits in SBSDIO_FUNC1_SBADDRxxx regs */
+
+#define SBSDIO_SBADDRLOW_MASK 0x80 /* Valid bits in SBADDRLOW */
+#define SBSDIO_SBADDRMID_MASK 0xff /* Valid bits in SBADDRMID */
+#define SBSDIO_SBADDRHIGH_MASK 0xffU /* Valid bits in SBADDRHIGH */
+/* Address bits from SBADDR regs */
+#define SBSDIO_SBWINDOW_MASK 0xffff8000
+
+#define SDIOH_READ 0 /* Read request */
+#define SDIOH_WRITE 1 /* Write request */
+
+#define SDIOH_DATA_FIX 0 /* Fixed addressing */
+#define SDIOH_DATA_INC 1 /* Incremental addressing */
+
+/* internal return code */
+#define SUCCESS 0
+#define ERROR 1
+
+struct brcmf_sdreg {
+ int func;
+ int offset;
+ int value;
+};
+
+struct brcmf_sdio_dev {
+ struct sdio_func *func[SDIO_MAX_FUNCS];
+ u8 num_funcs; /* Supported funcs on client */
+ u32 func_cis_ptr[SDIOD_MAX_IOFUNCS];
+ u32 sbwad; /* Save backplane window address */
+ bool regfail; /* status of last reg_r/w call */
+ void *bus;
+ atomic_t suspend; /* suspend flag */
+ wait_queue_head_t request_byte_wait;
+ wait_queue_head_t request_word_wait;
+ wait_queue_head_t request_packet_wait;
+ wait_queue_head_t request_buffer_wait;
+
+};
+
+/* Register/deregister device interrupt handler. */
+extern int
+brcmf_sdcard_intr_reg(struct brcmf_sdio_dev *sdiodev);
+
+extern int brcmf_sdcard_intr_dereg(struct brcmf_sdio_dev *sdiodev);
+
+/* Access SDIO address space (e.g. CCCR) using CMD52 (single-byte interface).
+ * fn: function number
+ * addr: unmodified SDIO-space address
+ * data: data byte to write
+ * err: pointer to error code (or NULL)
+ */
+extern u8 brcmf_sdcard_cfg_read(struct brcmf_sdio_dev *sdiodev, uint func,
+ u32 addr, int *err);
+extern void brcmf_sdcard_cfg_write(struct brcmf_sdio_dev *sdiodev, uint func,
+ u32 addr, u8 data, int *err);
+
+/* Synchronous access to device (client) core registers via CMD53 to F1.
+ * addr: backplane address (i.e. >= regsva from attach)
+ * size: register width in bytes (2 or 4)
+ * data: data for register write
+ */
+extern u32
+brcmf_sdcard_reg_read(struct brcmf_sdio_dev *sdiodev, u32 addr, uint size);
+
+extern u32
+brcmf_sdcard_reg_write(struct brcmf_sdio_dev *sdiodev, u32 addr, uint size,
+ u32 data);
+
+/* Indicate if last reg read/write failed */
+extern bool brcmf_sdcard_regfail(struct brcmf_sdio_dev *sdiodev);
+
+/* Buffer transfer to/from device (client) core via cmd53.
+ * fn: function number
+ * addr: backplane address (i.e. >= regsva from attach)
+ * flags: backplane width, address increment, sync/async
+ * buf: pointer to memory data buffer
+ * nbytes: number of bytes to transfer to/from buf
+ * pkt: pointer to packet associated with buf (if any)
+ * complete: callback function for command completion (async only)
+ * handle: handle for completion callback (first arg in callback)
+ * Returns 0 or error code.
+ * NOTE: Async operation is not currently supported.
+ */
+extern int
+brcmf_sdcard_send_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
+ uint flags, u8 *buf, uint nbytes, struct sk_buff *pkt);
+extern int
+brcmf_sdcard_recv_buf(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
+ uint flags, u8 *buf, uint nbytes, struct sk_buff *pkt);
+
+/* Flags bits */
+
+/* Four-byte target (backplane) width (vs. two-byte) */
+#define SDIO_REQ_4BYTE 0x1
+/* Fixed address (FIFO) (vs. incrementing address) */
+#define SDIO_REQ_FIXED 0x2
+/* Async request (vs. sync request) */
+#define SDIO_REQ_ASYNC 0x4
+
+/* Read/write to memory block (F1, no FIFO) via CMD53 (sync only).
+ * rw: read or write (0/1)
+ * addr: direct SDIO address
+ * buf: pointer to memory data buffer
+ * nbytes: number of bytes to transfer to/from buf
+ * Returns 0 or error code.
+ */
+extern int brcmf_sdcard_rwdata(struct brcmf_sdio_dev *sdiodev, uint rw,
+ u32 addr, u8 *buf, uint nbytes);
+
+/* Issue an abort to the specified function */
+extern int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn);
+
+/* platform specific/high level functions */
+extern int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev);
+extern int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev);
+
+extern int brcmf_sdcard_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev,
+ u32 address);
+
+/* attach, return handler on success, NULL if failed.
+ * The handler shall be provided by all subsequent calls. No local cache
+ * cfghdl points to the starting address of pci device mapped memory
+ */
+extern int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev);
+extern void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev);
+
+/* read or write one byte using cmd52 */
+extern int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw,
+ uint fnc, uint addr, u8 *byte);
+
+/* read or write 2/4 bytes using cmd53 */
+extern int
+brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev,
+ uint rw, uint fnc, uint addr,
+ u32 *word, uint nbyte);
+
+/* read or write any buffer using cmd53 */
+extern int
+brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev,
+ uint fix_inc, uint rw, uint fnc_num,
+ u32 addr, uint regwidth,
+ u32 buflen, u8 *buffer, struct sk_buff *pkt);
+
+/* Watchdog timer interface for pm ops */
+extern void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev,
+ bool enable);
+
+extern void *brcmf_sdbrcm_probe(u16 bus_no, u16 slot, u16 func, uint bustype,
+ u32 regsva, struct brcmf_sdio_dev *sdiodev);
+extern void brcmf_sdbrcm_disconnect(void *ptr);
+extern void brcmf_sdbrcm_isr(void *arg);
+#endif /* _BRCM_SDH_H_ */
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
new file mode 100644
index 000000000000..fc643c1eb59a
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -0,0 +1,3730 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */
+
+#include <linux/kernel.h>
+#include <linux/if_arp.h>
+#include <linux/sched.h>
+#include <linux/kthread.h>
+#include <linux/netdevice.h>
+#include <linux/bitops.h>
+#include <linux/etherdevice.h>
+#include <linux/ieee80211.h>
+#include <linux/uaccess.h>
+#include <net/cfg80211.h>
+
+#include <brcmu_utils.h>
+#include <defs.h>
+#include <brcmu_wifi.h>
+#include "dhd.h"
+#include "wl_cfg80211.h"
+
+#define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
+ (sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
+
+static const u8 ether_bcast[ETH_ALEN] = {255, 255, 255, 255, 255, 255};
+
+static u32 brcmf_dbg_level = WL_DBG_ERR;
+
+static void brcmf_set_drvdata(struct brcmf_cfg80211_dev *dev, void *data)
+{
+ dev->driver_data = data;
+}
+
+static void *brcmf_get_drvdata(struct brcmf_cfg80211_dev *dev)
+{
+ void *data = NULL;
+
+ if (dev)
+ data = dev->driver_data;
+ return data;
+}
+
+static
+struct brcmf_cfg80211_priv *brcmf_priv_get(struct brcmf_cfg80211_dev *cfg_dev)
+{
+ struct brcmf_cfg80211_iface *ci = brcmf_get_drvdata(cfg_dev);
+ return ci->cfg_priv;
+}
+
+static bool check_sys_up(struct wiphy *wiphy)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ if (!test_bit(WL_STATUS_READY, &cfg_priv->status)) {
+ WL_INFO("device is not ready : status (%d)\n",
+ (int)cfg_priv->status);
+ return false;
+ }
+ return true;
+}
+
+#define CHAN2G(_channel, _freq, _flags) { \
+ .band = IEEE80211_BAND_2GHZ, \
+ .center_freq = (_freq), \
+ .hw_value = (_channel), \
+ .flags = (_flags), \
+ .max_antenna_gain = 0, \
+ .max_power = 30, \
+}
+
+#define CHAN5G(_channel, _flags) { \
+ .band = IEEE80211_BAND_5GHZ, \
+ .center_freq = 5000 + (5 * (_channel)), \
+ .hw_value = (_channel), \
+ .flags = (_flags), \
+ .max_antenna_gain = 0, \
+ .max_power = 30, \
+}
+
+#define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2)
+#define RATETAB_ENT(_rateid, _flags) \
+ { \
+ .bitrate = RATE_TO_BASE100KBPS(_rateid), \
+ .hw_value = (_rateid), \
+ .flags = (_flags), \
+ }
+
+static struct ieee80211_rate __wl_rates[] = {
+ RATETAB_ENT(BRCM_RATE_1M, 0),
+ RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATETAB_ENT(BRCM_RATE_6M, 0),
+ RATETAB_ENT(BRCM_RATE_9M, 0),
+ RATETAB_ENT(BRCM_RATE_12M, 0),
+ RATETAB_ENT(BRCM_RATE_18M, 0),
+ RATETAB_ENT(BRCM_RATE_24M, 0),
+ RATETAB_ENT(BRCM_RATE_36M, 0),
+ RATETAB_ENT(BRCM_RATE_48M, 0),
+ RATETAB_ENT(BRCM_RATE_54M, 0),
+};
+
+#define wl_a_rates (__wl_rates + 4)
+#define wl_a_rates_size 8
+#define wl_g_rates (__wl_rates + 0)
+#define wl_g_rates_size 12
+
+static struct ieee80211_channel __wl_2ghz_channels[] = {
+ CHAN2G(1, 2412, 0),
+ CHAN2G(2, 2417, 0),
+ CHAN2G(3, 2422, 0),
+ CHAN2G(4, 2427, 0),
+ CHAN2G(5, 2432, 0),
+ CHAN2G(6, 2437, 0),
+ CHAN2G(7, 2442, 0),
+ CHAN2G(8, 2447, 0),
+ CHAN2G(9, 2452, 0),
+ CHAN2G(10, 2457, 0),
+ CHAN2G(11, 2462, 0),
+ CHAN2G(12, 2467, 0),
+ CHAN2G(13, 2472, 0),
+ CHAN2G(14, 2484, 0),
+};
+
+static struct ieee80211_channel __wl_5ghz_a_channels[] = {
+ CHAN5G(34, 0), CHAN5G(36, 0),
+ CHAN5G(38, 0), CHAN5G(40, 0),
+ CHAN5G(42, 0), CHAN5G(44, 0),
+ CHAN5G(46, 0), CHAN5G(48, 0),
+ CHAN5G(52, 0), CHAN5G(56, 0),
+ CHAN5G(60, 0), CHAN5G(64, 0),
+ CHAN5G(100, 0), CHAN5G(104, 0),
+ CHAN5G(108, 0), CHAN5G(112, 0),
+ CHAN5G(116, 0), CHAN5G(120, 0),
+ CHAN5G(124, 0), CHAN5G(128, 0),
+ CHAN5G(132, 0), CHAN5G(136, 0),
+ CHAN5G(140, 0), CHAN5G(149, 0),
+ CHAN5G(153, 0), CHAN5G(157, 0),
+ CHAN5G(161, 0), CHAN5G(165, 0),
+ CHAN5G(184, 0), CHAN5G(188, 0),
+ CHAN5G(192, 0), CHAN5G(196, 0),
+ CHAN5G(200, 0), CHAN5G(204, 0),
+ CHAN5G(208, 0), CHAN5G(212, 0),
+ CHAN5G(216, 0),
+};
+
+static struct ieee80211_channel __wl_5ghz_n_channels[] = {
+ CHAN5G(32, 0), CHAN5G(34, 0),
+ CHAN5G(36, 0), CHAN5G(38, 0),
+ CHAN5G(40, 0), CHAN5G(42, 0),
+ CHAN5G(44, 0), CHAN5G(46, 0),
+ CHAN5G(48, 0), CHAN5G(50, 0),
+ CHAN5G(52, 0), CHAN5G(54, 0),
+ CHAN5G(56, 0), CHAN5G(58, 0),
+ CHAN5G(60, 0), CHAN5G(62, 0),
+ CHAN5G(64, 0), CHAN5G(66, 0),
+ CHAN5G(68, 0), CHAN5G(70, 0),
+ CHAN5G(72, 0), CHAN5G(74, 0),
+ CHAN5G(76, 0), CHAN5G(78, 0),
+ CHAN5G(80, 0), CHAN5G(82, 0),
+ CHAN5G(84, 0), CHAN5G(86, 0),
+ CHAN5G(88, 0), CHAN5G(90, 0),
+ CHAN5G(92, 0), CHAN5G(94, 0),
+ CHAN5G(96, 0), CHAN5G(98, 0),
+ CHAN5G(100, 0), CHAN5G(102, 0),
+ CHAN5G(104, 0), CHAN5G(106, 0),
+ CHAN5G(108, 0), CHAN5G(110, 0),
+ CHAN5G(112, 0), CHAN5G(114, 0),
+ CHAN5G(116, 0), CHAN5G(118, 0),
+ CHAN5G(120, 0), CHAN5G(122, 0),
+ CHAN5G(124, 0), CHAN5G(126, 0),
+ CHAN5G(128, 0), CHAN5G(130, 0),
+ CHAN5G(132, 0), CHAN5G(134, 0),
+ CHAN5G(136, 0), CHAN5G(138, 0),
+ CHAN5G(140, 0), CHAN5G(142, 0),
+ CHAN5G(144, 0), CHAN5G(145, 0),
+ CHAN5G(146, 0), CHAN5G(147, 0),
+ CHAN5G(148, 0), CHAN5G(149, 0),
+ CHAN5G(150, 0), CHAN5G(151, 0),
+ CHAN5G(152, 0), CHAN5G(153, 0),
+ CHAN5G(154, 0), CHAN5G(155, 0),
+ CHAN5G(156, 0), CHAN5G(157, 0),
+ CHAN5G(158, 0), CHAN5G(159, 0),
+ CHAN5G(160, 0), CHAN5G(161, 0),
+ CHAN5G(162, 0), CHAN5G(163, 0),
+ CHAN5G(164, 0), CHAN5G(165, 0),
+ CHAN5G(166, 0), CHAN5G(168, 0),
+ CHAN5G(170, 0), CHAN5G(172, 0),
+ CHAN5G(174, 0), CHAN5G(176, 0),
+ CHAN5G(178, 0), CHAN5G(180, 0),
+ CHAN5G(182, 0), CHAN5G(184, 0),
+ CHAN5G(186, 0), CHAN5G(188, 0),
+ CHAN5G(190, 0), CHAN5G(192, 0),
+ CHAN5G(194, 0), CHAN5G(196, 0),
+ CHAN5G(198, 0), CHAN5G(200, 0),
+ CHAN5G(202, 0), CHAN5G(204, 0),
+ CHAN5G(206, 0), CHAN5G(208, 0),
+ CHAN5G(210, 0), CHAN5G(212, 0),
+ CHAN5G(214, 0), CHAN5G(216, 0),
+ CHAN5G(218, 0), CHAN5G(220, 0),
+ CHAN5G(222, 0), CHAN5G(224, 0),
+ CHAN5G(226, 0), CHAN5G(228, 0),
+};
+
+static struct ieee80211_supported_band __wl_band_2ghz = {
+ .band = IEEE80211_BAND_2GHZ,
+ .channels = __wl_2ghz_channels,
+ .n_channels = ARRAY_SIZE(__wl_2ghz_channels),
+ .bitrates = wl_g_rates,
+ .n_bitrates = wl_g_rates_size,
+};
+
+static struct ieee80211_supported_band __wl_band_5ghz_a = {
+ .band = IEEE80211_BAND_5GHZ,
+ .channels = __wl_5ghz_a_channels,
+ .n_channels = ARRAY_SIZE(__wl_5ghz_a_channels),
+ .bitrates = wl_a_rates,
+ .n_bitrates = wl_a_rates_size,
+};
+
+static struct ieee80211_supported_band __wl_band_5ghz_n = {
+ .band = IEEE80211_BAND_5GHZ,
+ .channels = __wl_5ghz_n_channels,
+ .n_channels = ARRAY_SIZE(__wl_5ghz_n_channels),
+ .bitrates = wl_a_rates,
+ .n_bitrates = wl_a_rates_size,
+};
+
+static const u32 __wl_cipher_suites[] = {
+ WLAN_CIPHER_SUITE_WEP40,
+ WLAN_CIPHER_SUITE_WEP104,
+ WLAN_CIPHER_SUITE_TKIP,
+ WLAN_CIPHER_SUITE_CCMP,
+ WLAN_CIPHER_SUITE_AES_CMAC,
+};
+
+/* function for reading/writing a single u32 from/to the dongle */
+static int
+brcmf_exec_dcmd_u32(struct net_device *ndev, u32 cmd, u32 *par)
+{
+ int err;
+ __le32 par_le = cpu_to_le32(*par);
+
+ err = brcmf_exec_dcmd(ndev, cmd, &par_le, sizeof(__le32));
+ *par = le32_to_cpu(par_le);
+
+ return err;
+}
+
+static void convert_key_from_CPU(struct brcmf_wsec_key *key,
+ struct brcmf_wsec_key_le *key_le)
+{
+ key_le->index = cpu_to_le32(key->index);
+ key_le->len = cpu_to_le32(key->len);
+ key_le->algo = cpu_to_le32(key->algo);
+ key_le->flags = cpu_to_le32(key->flags);
+ key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi);
+ key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo);
+ key_le->iv_initialized = cpu_to_le32(key->iv_initialized);
+ memcpy(key_le->data, key->data, sizeof(key->data));
+ memcpy(key_le->ea, key->ea, sizeof(key->ea));
+}
+
+static int send_key_to_dongle(struct net_device *ndev,
+ struct brcmf_wsec_key *key)
+{
+ int err;
+ struct brcmf_wsec_key_le key_le;
+
+ convert_key_from_CPU(key, &key_le);
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_KEY, &key_le, sizeof(key_le));
+ if (err)
+ WL_ERR("WLC_SET_KEY error (%d)\n", err);
+ return err;
+}
+
+static s32
+brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
+ enum nl80211_iftype type, u32 *flags,
+ struct vif_params *params)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ struct wireless_dev *wdev;
+ s32 infra = 0;
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ switch (type) {
+ case NL80211_IFTYPE_MONITOR:
+ case NL80211_IFTYPE_WDS:
+ WL_ERR("type (%d) : currently we do not support this type\n",
+ type);
+ return -EOPNOTSUPP;
+ case NL80211_IFTYPE_ADHOC:
+ cfg_priv->conf->mode = WL_MODE_IBSS;
+ infra = 0;
+ break;
+ case NL80211_IFTYPE_STATION:
+ cfg_priv->conf->mode = WL_MODE_BSS;
+ infra = 1;
+ break;
+ default:
+ err = -EINVAL;
+ goto done;
+ }
+
+ err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra);
+ if (err) {
+ WL_ERR("WLC_SET_INFRA error (%d)\n", err);
+ err = -EAGAIN;
+ } else {
+ wdev = ndev->ieee80211_ptr;
+ wdev->iftype = type;
+ }
+
+ WL_INFO("IF Type = %s\n",
+ (cfg_priv->conf->mode == WL_MODE_IBSS) ? "Adhoc" : "Infra");
+
+done:
+ WL_TRACE("Exit\n");
+
+ return err;
+}
+
+static s32 brcmf_dev_intvar_set(struct net_device *ndev, s8 *name, s32 val)
+{
+ s8 buf[BRCMF_DCMD_SMLEN];
+ u32 len;
+ s32 err = 0;
+ __le32 val_le;
+
+ val_le = cpu_to_le32(val);
+ len = brcmu_mkiovar(name, (char *)(&val_le), sizeof(val_le), buf,
+ sizeof(buf));
+ BUG_ON(!len);
+
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, buf, len);
+ if (err)
+ WL_ERR("error (%d)\n", err);
+
+ return err;
+}
+
+static s32
+brcmf_dev_intvar_get(struct net_device *ndev, s8 *name, s32 *retval)
+{
+ union {
+ s8 buf[BRCMF_DCMD_SMLEN];
+ __le32 val;
+ } var;
+ u32 len;
+ u32 data_null;
+ s32 err = 0;
+
+ len =
+ brcmu_mkiovar(name, (char *)(&data_null), 0, (char *)(&var),
+ sizeof(var.buf));
+ BUG_ON(!len);
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, &var, len);
+ if (err)
+ WL_ERR("error (%d)\n", err);
+
+ *retval = le32_to_cpu(var.val);
+
+ return err;
+}
+
+static void brcmf_set_mpc(struct net_device *ndev, int mpc)
+{
+ s32 err = 0;
+ struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
+
+ if (test_bit(WL_STATUS_READY, &cfg_priv->status)) {
+ err = brcmf_dev_intvar_set(ndev, "mpc", mpc);
+ if (err) {
+ WL_ERR("fail to set mpc\n");
+ return;
+ }
+ WL_INFO("MPC : %d\n", mpc);
+ }
+}
+
+static void wl_iscan_prep(struct brcmf_scan_params_le *params_le,
+ struct brcmf_ssid *ssid)
+{
+ memcpy(params_le->bssid, ether_bcast, ETH_ALEN);
+ params_le->bss_type = DOT11_BSSTYPE_ANY;
+ params_le->scan_type = 0;
+ params_le->channel_num = 0;
+ params_le->nprobes = cpu_to_le32(-1);
+ params_le->active_time = cpu_to_le32(-1);
+ params_le->passive_time = cpu_to_le32(-1);
+ params_le->home_time = cpu_to_le32(-1);
+ if (ssid && ssid->SSID_len)
+ memcpy(&params_le->ssid_le, ssid, sizeof(struct brcmf_ssid));
+}
+
+static s32
+brcmf_dev_iovar_setbuf(struct net_device *ndev, s8 * iovar, void *param,
+ s32 paramlen, void *bufptr, s32 buflen)
+{
+ s32 iolen;
+
+ iolen = brcmu_mkiovar(iovar, param, paramlen, bufptr, buflen);
+ BUG_ON(!iolen);
+
+ return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, bufptr, iolen);
+}
+
+static s32
+brcmf_dev_iovar_getbuf(struct net_device *ndev, s8 * iovar, void *param,
+ s32 paramlen, void *bufptr, s32 buflen)
+{
+ s32 iolen;
+
+ iolen = brcmu_mkiovar(iovar, param, paramlen, bufptr, buflen);
+ BUG_ON(!iolen);
+
+ return brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, bufptr, buflen);
+}
+
+static s32
+brcmf_run_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan,
+ struct brcmf_ssid *ssid, u16 action)
+{
+ s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE +
+ offsetof(struct brcmf_iscan_params_le, params_le);
+ struct brcmf_iscan_params_le *params;
+ s32 err = 0;
+
+ if (ssid && ssid->SSID_len)
+ params_size += sizeof(struct brcmf_ssid);
+ params = kzalloc(params_size, GFP_KERNEL);
+ if (!params)
+ return -ENOMEM;
+ BUG_ON(params_size >= BRCMF_DCMD_SMLEN);
+
+ wl_iscan_prep(&params->params_le, ssid);
+
+ params->version = cpu_to_le32(BRCMF_ISCAN_REQ_VERSION);
+ params->action = cpu_to_le16(action);
+ params->scan_duration = cpu_to_le16(0);
+
+ err = brcmf_dev_iovar_setbuf(iscan->ndev, "iscan", params, params_size,
+ iscan->dcmd_buf, BRCMF_DCMD_SMLEN);
+ if (err) {
+ if (err == -EBUSY)
+ WL_INFO("system busy : iscan canceled\n");
+ else
+ WL_ERR("error (%d)\n", err);
+ }
+
+ kfree(params);
+ return err;
+}
+
+static s32 brcmf_do_iscan(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv);
+ struct net_device *ndev = cfg_to_ndev(cfg_priv);
+ struct brcmf_ssid ssid;
+ s32 passive_scan;
+ s32 err = 0;
+
+ /* Broadcast scan by default */
+ memset(&ssid, 0, sizeof(ssid));
+
+ iscan->state = WL_ISCAN_STATE_SCANING;
+
+ passive_scan = cfg_priv->active_scan ? 0 : 1;
+ err = brcmf_exec_dcmd(cfg_to_ndev(cfg_priv), BRCMF_C_SET_PASSIVE_SCAN,
+ &passive_scan, sizeof(passive_scan));
+ if (err) {
+ WL_ERR("error (%d)\n", err);
+ return err;
+ }
+ brcmf_set_mpc(ndev, 0);
+ cfg_priv->iscan_kickstart = true;
+ err = brcmf_run_iscan(iscan, &ssid, BRCMF_SCAN_ACTION_START);
+ if (err) {
+ brcmf_set_mpc(ndev, 1);
+ cfg_priv->iscan_kickstart = false;
+ return err;
+ }
+ mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000);
+ iscan->timer_on = 1;
+ return err;
+}
+
+static s32
+__brcmf_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
+ struct cfg80211_scan_request *request,
+ struct cfg80211_ssid *this_ssid)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
+ struct cfg80211_ssid *ssids;
+ struct brcmf_cfg80211_scan_req *sr = cfg_priv->scan_req_int;
+ s32 passive_scan;
+ bool iscan_req;
+ bool spec_scan;
+ s32 err = 0;
+ u32 SSID_len;
+
+ if (test_bit(WL_STATUS_SCANNING, &cfg_priv->status)) {
+ WL_ERR("Scanning already : status (%lu)\n", cfg_priv->status);
+ return -EAGAIN;
+ }
+ if (test_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status)) {
+ WL_ERR("Scanning being aborted : status (%lu)\n",
+ cfg_priv->status);
+ return -EAGAIN;
+ }
+ if (test_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) {
+ WL_ERR("Connecting : status (%lu)\n",
+ cfg_priv->status);
+ return -EAGAIN;
+ }
+
+ iscan_req = false;
+ spec_scan = false;
+ if (request) {
+ /* scan bss */
+ ssids = request->ssids;
+ if (cfg_priv->iscan_on && (!ssids || !ssids->ssid_len))
+ iscan_req = true;
+ } else {
+ /* scan in ibss */
+ /* we don't do iscan in ibss */
+ ssids = this_ssid;
+ }
+
+ cfg_priv->scan_request = request;
+ set_bit(WL_STATUS_SCANNING, &cfg_priv->status);
+ if (iscan_req) {
+ err = brcmf_do_iscan(cfg_priv);
+ if (!err)
+ return err;
+ else
+ goto scan_out;
+ } else {
+ WL_SCAN("ssid \"%s\", ssid_len (%d)\n",
+ ssids->ssid, ssids->ssid_len);
+ memset(&sr->ssid_le, 0, sizeof(sr->ssid_le));
+ SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len);
+ sr->ssid_le.SSID_len = cpu_to_le32(0);
+ if (SSID_len) {
+ memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len);
+ sr->ssid_le.SSID_len = cpu_to_le32(SSID_len);
+ spec_scan = true;
+ } else {
+ WL_SCAN("Broadcast scan\n");
+ }
+
+ passive_scan = cfg_priv->active_scan ? 0 : 1;
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN,
+ &passive_scan, sizeof(passive_scan));
+ if (err) {
+ WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
+ goto scan_out;
+ }
+ brcmf_set_mpc(ndev, 0);
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, &sr->ssid_le,
+ sizeof(sr->ssid_le));
+ if (err) {
+ if (err == -EBUSY)
+ WL_INFO("system busy : scan for \"%s\" "
+ "canceled\n", sr->ssid_le.SSID);
+ else
+ WL_ERR("WLC_SCAN error (%d)\n", err);
+
+ brcmf_set_mpc(ndev, 1);
+ goto scan_out;
+ }
+ }
+
+ return 0;
+
+scan_out:
+ clear_bit(WL_STATUS_SCANNING, &cfg_priv->status);
+ cfg_priv->scan_request = NULL;
+ return err;
+}
+
+static s32
+brcmf_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
+ struct cfg80211_scan_request *request)
+{
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ err = __brcmf_cfg80211_scan(wiphy, ndev, request, NULL);
+ if (err)
+ WL_ERR("scan error (%d)\n", err);
+
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold)
+{
+ s32 err = 0;
+
+ err = brcmf_dev_intvar_set(ndev, "rtsthresh", rts_threshold);
+ if (err)
+ WL_ERR("Error (%d)\n", err);
+
+ return err;
+}
+
+static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold)
+{
+ s32 err = 0;
+
+ err = brcmf_dev_intvar_set(ndev, "fragthresh", frag_threshold);
+ if (err)
+ WL_ERR("Error (%d)\n", err);
+
+ return err;
+}
+
+static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l)
+{
+ s32 err = 0;
+ u32 cmd = (l ? BRCM_SET_LRL : BRCM_SET_SRL);
+
+ err = brcmf_exec_dcmd_u32(ndev, cmd, &retry);
+ if (err) {
+ WL_ERR("cmd (%d) , error (%d)\n", cmd, err);
+ return err;
+ }
+ return err;
+}
+
+static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ struct net_device *ndev = cfg_to_ndev(cfg_priv);
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ if (changed & WIPHY_PARAM_RTS_THRESHOLD &&
+ (cfg_priv->conf->rts_threshold != wiphy->rts_threshold)) {
+ cfg_priv->conf->rts_threshold = wiphy->rts_threshold;
+ err = brcmf_set_rts(ndev, cfg_priv->conf->rts_threshold);
+ if (!err)
+ goto done;
+ }
+ if (changed & WIPHY_PARAM_FRAG_THRESHOLD &&
+ (cfg_priv->conf->frag_threshold != wiphy->frag_threshold)) {
+ cfg_priv->conf->frag_threshold = wiphy->frag_threshold;
+ err = brcmf_set_frag(ndev, cfg_priv->conf->frag_threshold);
+ if (!err)
+ goto done;
+ }
+ if (changed & WIPHY_PARAM_RETRY_LONG
+ && (cfg_priv->conf->retry_long != wiphy->retry_long)) {
+ cfg_priv->conf->retry_long = wiphy->retry_long;
+ err = brcmf_set_retry(ndev, cfg_priv->conf->retry_long, true);
+ if (!err)
+ goto done;
+ }
+ if (changed & WIPHY_PARAM_RETRY_SHORT
+ && (cfg_priv->conf->retry_short != wiphy->retry_short)) {
+ cfg_priv->conf->retry_short = wiphy->retry_short;
+ err = brcmf_set_retry(ndev, cfg_priv->conf->retry_short, false);
+ if (!err)
+ goto done;
+ }
+
+done:
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static void *brcmf_read_prof(struct brcmf_cfg80211_priv *cfg_priv, s32 item)
+{
+ switch (item) {
+ case WL_PROF_SEC:
+ return &cfg_priv->profile->sec;
+ case WL_PROF_BSSID:
+ return &cfg_priv->profile->bssid;
+ case WL_PROF_SSID:
+ return &cfg_priv->profile->ssid;
+ }
+ WL_ERR("invalid item (%d)\n", item);
+ return NULL;
+}
+
+static s32
+brcmf_update_prof(struct brcmf_cfg80211_priv *cfg_priv,
+ const struct brcmf_event_msg *e, void *data, s32 item)
+{
+ s32 err = 0;
+ struct brcmf_ssid *ssid;
+
+ switch (item) {
+ case WL_PROF_SSID:
+ ssid = (struct brcmf_ssid *) data;
+ memset(cfg_priv->profile->ssid.SSID, 0,
+ sizeof(cfg_priv->profile->ssid.SSID));
+ memcpy(cfg_priv->profile->ssid.SSID,
+ ssid->SSID, ssid->SSID_len);
+ cfg_priv->profile->ssid.SSID_len = ssid->SSID_len;
+ break;
+ case WL_PROF_BSSID:
+ if (data)
+ memcpy(cfg_priv->profile->bssid, data, ETH_ALEN);
+ else
+ memset(cfg_priv->profile->bssid, 0, ETH_ALEN);
+ break;
+ case WL_PROF_SEC:
+ memcpy(&cfg_priv->profile->sec, data,
+ sizeof(cfg_priv->profile->sec));
+ break;
+ case WL_PROF_BEACONINT:
+ cfg_priv->profile->beacon_interval = *(u16 *)data;
+ break;
+ case WL_PROF_DTIMPERIOD:
+ cfg_priv->profile->dtim_period = *(u8 *)data;
+ break;
+ default:
+ WL_ERR("unsupported item (%d)\n", item);
+ err = -EOPNOTSUPP;
+ break;
+ }
+
+ return err;
+}
+
+static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof)
+{
+ memset(prof, 0, sizeof(*prof));
+}
+
+static void brcmf_ch_to_chanspec(int ch, struct brcmf_join_params *join_params,
+ size_t *join_params_size)
+{
+ u16 chanspec = 0;
+
+ if (ch != 0) {
+ if (ch <= CH_MAX_2G_CHANNEL)
+ chanspec |= WL_CHANSPEC_BAND_2G;
+ else
+ chanspec |= WL_CHANSPEC_BAND_5G;
+
+ chanspec |= WL_CHANSPEC_BW_20;
+ chanspec |= WL_CHANSPEC_CTL_SB_NONE;
+
+ *join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE +
+ sizeof(u16);
+
+ chanspec |= (ch & WL_CHANSPEC_CHAN_MASK);
+ join_params->params_le.chanspec_list[0] = cpu_to_le16(chanspec);
+ join_params->params_le.chanspec_num = cpu_to_le32(1);
+
+ WL_CONN("join_params->params.chanspec_list[0]= %#X,"
+ "channel %d, chanspec %#X\n",
+ chanspec, ch, chanspec);
+ }
+}
+
+static void brcmf_link_down(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct net_device *ndev = NULL;
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+
+ if (cfg_priv->link_up) {
+ ndev = cfg_to_ndev(cfg_priv);
+ WL_INFO("Call WLC_DISASSOC to stop excess roaming\n ");
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, NULL, 0);
+ if (err)
+ WL_ERR("WLC_DISASSOC failed (%d)\n", err);
+ cfg_priv->link_up = false;
+ }
+ WL_TRACE("Exit\n");
+}
+
+static s32
+brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
+ struct cfg80211_ibss_params *params)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ struct brcmf_join_params join_params;
+ size_t join_params_size = 0;
+ s32 err = 0;
+ s32 wsec = 0;
+ s32 bcnprd;
+ struct brcmf_ssid ssid;
+
+ WL_TRACE("Enter\n");
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ if (params->ssid)
+ WL_CONN("SSID: %s\n", params->ssid);
+ else {
+ WL_CONN("SSID: NULL, Not supported\n");
+ return -EOPNOTSUPP;
+ }
+
+ set_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
+
+ if (params->bssid)
+ WL_CONN("BSSID: %02X %02X %02X %02X %02X %02X\n",
+ params->bssid[0], params->bssid[1], params->bssid[2],
+ params->bssid[3], params->bssid[4], params->bssid[5]);
+ else
+ WL_CONN("No BSSID specified\n");
+
+ if (params->channel)
+ WL_CONN("channel: %d\n", params->channel->center_freq);
+ else
+ WL_CONN("no channel specified\n");
+
+ if (params->channel_fixed)
+ WL_CONN("fixed channel required\n");
+ else
+ WL_CONN("no fixed channel required\n");
+
+ if (params->ie && params->ie_len)
+ WL_CONN("ie len: %d\n", params->ie_len);
+ else
+ WL_CONN("no ie specified\n");
+
+ if (params->beacon_interval)
+ WL_CONN("beacon interval: %d\n", params->beacon_interval);
+ else
+ WL_CONN("no beacon interval specified\n");
+
+ if (params->basic_rates)
+ WL_CONN("basic rates: %08X\n", params->basic_rates);
+ else
+ WL_CONN("no basic rates specified\n");
+
+ if (params->privacy)
+ WL_CONN("privacy required\n");
+ else
+ WL_CONN("no privacy required\n");
+
+ /* Configure Privacy for starter */
+ if (params->privacy)
+ wsec |= WEP_ENABLED;
+
+ err = brcmf_dev_intvar_set(ndev, "wsec", wsec);
+ if (err) {
+ WL_ERR("wsec failed (%d)\n", err);
+ goto done;
+ }
+
+ /* Configure Beacon Interval for starter */
+ if (params->beacon_interval)
+ bcnprd = params->beacon_interval;
+ else
+ bcnprd = 100;
+
+ err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_BCNPRD, &bcnprd);
+ if (err) {
+ WL_ERR("WLC_SET_BCNPRD failed (%d)\n", err);
+ goto done;
+ }
+
+ /* Configure required join parameter */
+ memset(&join_params, 0, sizeof(struct brcmf_join_params));
+
+ /* SSID */
+ ssid.SSID_len = min_t(u32, params->ssid_len, 32);
+ memcpy(ssid.SSID, params->ssid, ssid.SSID_len);
+ memcpy(join_params.ssid_le.SSID, params->ssid, ssid.SSID_len);
+ join_params.ssid_le.SSID_len = cpu_to_le32(ssid.SSID_len);
+ join_params_size = sizeof(join_params.ssid_le);
+ brcmf_update_prof(cfg_priv, NULL, &ssid, WL_PROF_SSID);
+
+ /* BSSID */
+ if (params->bssid) {
+ memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN);
+ join_params_size = sizeof(join_params.ssid_le) +
+ BRCMF_ASSOC_PARAMS_FIXED_SIZE;
+ } else {
+ memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN);
+ }
+
+ brcmf_update_prof(cfg_priv, NULL,
+ &join_params.params_le.bssid, WL_PROF_BSSID);
+
+ /* Channel */
+ if (params->channel) {
+ u32 target_channel;
+
+ cfg_priv->channel =
+ ieee80211_frequency_to_channel(
+ params->channel->center_freq);
+ if (params->channel_fixed) {
+ /* adding chanspec */
+ brcmf_ch_to_chanspec(cfg_priv->channel,
+ &join_params, &join_params_size);
+ }
+
+ /* set channel for starter */
+ target_channel = cfg_priv->channel;
+ err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_CHANNEL,
+ &target_channel);
+ if (err) {
+ WL_ERR("WLC_SET_CHANNEL failed (%d)\n", err);
+ goto done;
+ }
+ } else
+ cfg_priv->channel = 0;
+
+ cfg_priv->ibss_starter = false;
+
+
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID,
+ &join_params, join_params_size);
+ if (err) {
+ WL_ERR("WLC_SET_SSID failed (%d)\n", err);
+ goto done;
+ }
+
+done:
+ if (err)
+ clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ brcmf_link_down(cfg_priv);
+
+ WL_TRACE("Exit\n");
+
+ return err;
+}
+
+static s32 brcmf_set_wpa_version(struct net_device *ndev,
+ struct cfg80211_connect_params *sme)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
+ struct brcmf_cfg80211_security *sec;
+ s32 val = 0;
+ s32 err = 0;
+
+ if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1)
+ val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED;
+ else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)
+ val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED;
+ else
+ val = WPA_AUTH_DISABLED;
+ WL_CONN("setting wpa_auth to 0x%0x\n", val);
+ err = brcmf_dev_intvar_set(ndev, "wpa_auth", val);
+ if (err) {
+ WL_ERR("set wpa_auth failed (%d)\n", err);
+ return err;
+ }
+ sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC);
+ sec->wpa_versions = sme->crypto.wpa_versions;
+ return err;
+}
+
+static s32 brcmf_set_auth_type(struct net_device *ndev,
+ struct cfg80211_connect_params *sme)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
+ struct brcmf_cfg80211_security *sec;
+ s32 val = 0;
+ s32 err = 0;
+
+ switch (sme->auth_type) {
+ case NL80211_AUTHTYPE_OPEN_SYSTEM:
+ val = 0;
+ WL_CONN("open system\n");
+ break;
+ case NL80211_AUTHTYPE_SHARED_KEY:
+ val = 1;
+ WL_CONN("shared key\n");
+ break;
+ case NL80211_AUTHTYPE_AUTOMATIC:
+ val = 2;
+ WL_CONN("automatic\n");
+ break;
+ case NL80211_AUTHTYPE_NETWORK_EAP:
+ WL_CONN("network eap\n");
+ default:
+ val = 2;
+ WL_ERR("invalid auth type (%d)\n", sme->auth_type);
+ break;
+ }
+
+ err = brcmf_dev_intvar_set(ndev, "auth", val);
+ if (err) {
+ WL_ERR("set auth failed (%d)\n", err);
+ return err;
+ }
+ sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC);
+ sec->auth_type = sme->auth_type;
+ return err;
+}
+
+static s32
+brcmf_set_set_cipher(struct net_device *ndev,
+ struct cfg80211_connect_params *sme)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
+ struct brcmf_cfg80211_security *sec;
+ s32 pval = 0;
+ s32 gval = 0;
+ s32 err = 0;
+
+ if (sme->crypto.n_ciphers_pairwise) {
+ switch (sme->crypto.ciphers_pairwise[0]) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ pval = WEP_ENABLED;
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ pval = TKIP_ENABLED;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ pval = AES_ENABLED;
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ pval = AES_ENABLED;
+ break;
+ default:
+ WL_ERR("invalid cipher pairwise (%d)\n",
+ sme->crypto.ciphers_pairwise[0]);
+ return -EINVAL;
+ }
+ }
+ if (sme->crypto.cipher_group) {
+ switch (sme->crypto.cipher_group) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ gval = WEP_ENABLED;
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ gval = TKIP_ENABLED;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ gval = AES_ENABLED;
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ gval = AES_ENABLED;
+ break;
+ default:
+ WL_ERR("invalid cipher group (%d)\n",
+ sme->crypto.cipher_group);
+ return -EINVAL;
+ }
+ }
+
+ WL_CONN("pval (%d) gval (%d)\n", pval, gval);
+ err = brcmf_dev_intvar_set(ndev, "wsec", pval | gval);
+ if (err) {
+ WL_ERR("error (%d)\n", err);
+ return err;
+ }
+
+ sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC);
+ sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0];
+ sec->cipher_group = sme->crypto.cipher_group;
+
+ return err;
+}
+
+static s32
+brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
+ struct brcmf_cfg80211_security *sec;
+ s32 val = 0;
+ s32 err = 0;
+
+ if (sme->crypto.n_akm_suites) {
+ err = brcmf_dev_intvar_get(ndev, "wpa_auth", &val);
+ if (err) {
+ WL_ERR("could not get wpa_auth (%d)\n", err);
+ return err;
+ }
+ if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) {
+ switch (sme->crypto.akm_suites[0]) {
+ case WLAN_AKM_SUITE_8021X:
+ val = WPA_AUTH_UNSPECIFIED;
+ break;
+ case WLAN_AKM_SUITE_PSK:
+ val = WPA_AUTH_PSK;
+ break;
+ default:
+ WL_ERR("invalid cipher group (%d)\n",
+ sme->crypto.cipher_group);
+ return -EINVAL;
+ }
+ } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) {
+ switch (sme->crypto.akm_suites[0]) {
+ case WLAN_AKM_SUITE_8021X:
+ val = WPA2_AUTH_UNSPECIFIED;
+ break;
+ case WLAN_AKM_SUITE_PSK:
+ val = WPA2_AUTH_PSK;
+ break;
+ default:
+ WL_ERR("invalid cipher group (%d)\n",
+ sme->crypto.cipher_group);
+ return -EINVAL;
+ }
+ }
+
+ WL_CONN("setting wpa_auth to %d\n", val);
+ err = brcmf_dev_intvar_set(ndev, "wpa_auth", val);
+ if (err) {
+ WL_ERR("could not set wpa_auth (%d)\n", err);
+ return err;
+ }
+ }
+ sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC);
+ sec->wpa_auth = sme->crypto.akm_suites[0];
+
+ return err;
+}
+
+static s32
+brcmf_set_set_sharedkey(struct net_device *ndev,
+ struct cfg80211_connect_params *sme)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
+ struct brcmf_cfg80211_security *sec;
+ struct brcmf_wsec_key key;
+ s32 val;
+ s32 err = 0;
+
+ WL_CONN("key len (%d)\n", sme->key_len);
+ if (sme->key_len) {
+ sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC);
+ WL_CONN("wpa_versions 0x%x cipher_pairwise 0x%x\n",
+ sec->wpa_versions, sec->cipher_pairwise);
+ if (!
+ (sec->wpa_versions & (NL80211_WPA_VERSION_1 |
+ NL80211_WPA_VERSION_2))
+&& (sec->cipher_pairwise & (WLAN_CIPHER_SUITE_WEP40 |
+ WLAN_CIPHER_SUITE_WEP104))) {
+ memset(&key, 0, sizeof(key));
+ key.len = (u32) sme->key_len;
+ key.index = (u32) sme->key_idx;
+ if (key.len > sizeof(key.data)) {
+ WL_ERR("Too long key length (%u)\n", key.len);
+ return -EINVAL;
+ }
+ memcpy(key.data, sme->key, key.len);
+ key.flags = BRCMF_PRIMARY_KEY;
+ switch (sec->cipher_pairwise) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ key.algo = CRYPTO_ALGO_WEP1;
+ break;
+ case WLAN_CIPHER_SUITE_WEP104:
+ key.algo = CRYPTO_ALGO_WEP128;
+ break;
+ default:
+ WL_ERR("Invalid algorithm (%d)\n",
+ sme->crypto.ciphers_pairwise[0]);
+ return -EINVAL;
+ }
+ /* Set the new key/index */
+ WL_CONN("key length (%d) key index (%d) algo (%d)\n",
+ key.len, key.index, key.algo);
+ WL_CONN("key \"%s\"\n", key.data);
+ err = send_key_to_dongle(ndev, &key);
+ if (err)
+ return err;
+
+ if (sec->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) {
+ WL_CONN("set auth_type to shared key\n");
+ val = 1; /* shared key */
+ err = brcmf_dev_intvar_set(ndev, "auth", val);
+ if (err) {
+ WL_ERR("set auth failed (%d)\n", err);
+ return err;
+ }
+ }
+ }
+ }
+ return err;
+}
+
+static s32
+brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
+ struct cfg80211_connect_params *sme)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ struct ieee80211_channel *chan = sme->channel;
+ struct brcmf_join_params join_params;
+ size_t join_params_size;
+ struct brcmf_ssid ssid;
+
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ if (!sme->ssid) {
+ WL_ERR("Invalid ssid\n");
+ return -EOPNOTSUPP;
+ }
+
+ set_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
+
+ if (chan) {
+ cfg_priv->channel =
+ ieee80211_frequency_to_channel(chan->center_freq);
+ WL_CONN("channel (%d), center_req (%d)\n",
+ cfg_priv->channel, chan->center_freq);
+ } else
+ cfg_priv->channel = 0;
+
+ WL_INFO("ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len);
+
+ err = brcmf_set_wpa_version(ndev, sme);
+ if (err) {
+ WL_ERR("wl_set_wpa_version failed (%d)\n", err);
+ goto done;
+ }
+
+ err = brcmf_set_auth_type(ndev, sme);
+ if (err) {
+ WL_ERR("wl_set_auth_type failed (%d)\n", err);
+ goto done;
+ }
+
+ err = brcmf_set_set_cipher(ndev, sme);
+ if (err) {
+ WL_ERR("wl_set_set_cipher failed (%d)\n", err);
+ goto done;
+ }
+
+ err = brcmf_set_key_mgmt(ndev, sme);
+ if (err) {
+ WL_ERR("wl_set_key_mgmt failed (%d)\n", err);
+ goto done;
+ }
+
+ err = brcmf_set_set_sharedkey(ndev, sme);
+ if (err) {
+ WL_ERR("wl_set_set_sharedkey failed (%d)\n", err);
+ goto done;
+ }
+
+ memset(&join_params, 0, sizeof(join_params));
+ join_params_size = sizeof(join_params.ssid_le);
+
+ ssid.SSID_len = min_t(u32, sizeof(ssid.SSID), sme->ssid_len);
+ memcpy(&join_params.ssid_le.SSID, sme->ssid, ssid.SSID_len);
+ memcpy(&ssid.SSID, sme->ssid, ssid.SSID_len);
+ join_params.ssid_le.SSID_len = cpu_to_le32(ssid.SSID_len);
+ brcmf_update_prof(cfg_priv, NULL, &ssid, WL_PROF_SSID);
+
+ memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN);
+
+ if (ssid.SSID_len < IEEE80211_MAX_SSID_LEN)
+ WL_CONN("ssid \"%s\", len (%d)\n",
+ ssid.SSID, ssid.SSID_len);
+
+ brcmf_ch_to_chanspec(cfg_priv->channel,
+ &join_params, &join_params_size);
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID,
+ &join_params, join_params_size);
+ if (err)
+ WL_ERR("WLC_SET_SSID failed (%d)\n", err);
+
+done:
+ if (err)
+ clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
+ u16 reason_code)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ struct brcmf_scb_val_le scbval;
+ s32 err = 0;
+
+ WL_TRACE("Enter. Reason code = %d\n", reason_code);
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ clear_bit(WL_STATUS_CONNECTED, &cfg_priv->status);
+
+ memcpy(&scbval.ea, brcmf_read_prof(cfg_priv, WL_PROF_BSSID), ETH_ALEN);
+ scbval.val = cpu_to_le32(reason_code);
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, &scbval,
+ sizeof(struct brcmf_scb_val_le));
+ if (err)
+ WL_ERR("error (%d)\n", err);
+
+ cfg_priv->link_up = false;
+
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_set_tx_power(struct wiphy *wiphy,
+ enum nl80211_tx_power_setting type, s32 dbm)
+{
+
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ struct net_device *ndev = cfg_to_ndev(cfg_priv);
+ u16 txpwrmw;
+ s32 err = 0;
+ s32 disable = 0;
+
+ WL_TRACE("Enter\n");
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ switch (type) {
+ case NL80211_TX_POWER_AUTOMATIC:
+ break;
+ case NL80211_TX_POWER_LIMITED:
+ if (dbm < 0) {
+ WL_ERR("TX_POWER_LIMITED - dbm is negative\n");
+ err = -EINVAL;
+ goto done;
+ }
+ break;
+ case NL80211_TX_POWER_FIXED:
+ if (dbm < 0) {
+ WL_ERR("TX_POWER_FIXED - dbm is negative\n");
+ err = -EINVAL;
+ goto done;
+ }
+ break;
+ }
+ /* Make sure radio is off or on as far as software is concerned */
+ disable = WL_RADIO_SW_DISABLE << 16;
+ err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_RADIO, &disable);
+ if (err)
+ WL_ERR("WLC_SET_RADIO error (%d)\n", err);
+
+ if (dbm > 0xffff)
+ txpwrmw = 0xffff;
+ else
+ txpwrmw = (u16) dbm;
+ err = brcmf_dev_intvar_set(ndev, "qtxpower",
+ (s32) (brcmu_mw_to_qdbm(txpwrmw)));
+ if (err)
+ WL_ERR("qtxpower error (%d)\n", err);
+ cfg_priv->conf->tx_power = dbm;
+
+done:
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ struct net_device *ndev = cfg_to_ndev(cfg_priv);
+ s32 txpwrdbm;
+ u8 result;
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ err = brcmf_dev_intvar_get(ndev, "qtxpower", &txpwrdbm);
+ if (err) {
+ WL_ERR("error (%d)\n", err);
+ goto done;
+ }
+
+ result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE);
+ *dbm = (s32) brcmu_qdbm_to_mw(result);
+
+done:
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev,
+ u8 key_idx, bool unicast, bool multicast)
+{
+ u32 index;
+ u32 wsec;
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+ WL_CONN("key index (%d)\n", key_idx);
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_WSEC, &wsec);
+ if (err) {
+ WL_ERR("WLC_GET_WSEC error (%d)\n", err);
+ goto done;
+ }
+
+ if (wsec & WEP_ENABLED) {
+ /* Just select a new current key */
+ index = key_idx;
+ err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_KEY_PRIMARY,
+ &index);
+ if (err)
+ WL_ERR("error (%d)\n", err);
+ }
+done:
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
+ u8 key_idx, const u8 *mac_addr, struct key_params *params)
+{
+ struct brcmf_wsec_key key;
+ struct brcmf_wsec_key_le key_le;
+ s32 err = 0;
+
+ memset(&key, 0, sizeof(key));
+ key.index = (u32) key_idx;
+ /* Instead of bcast for ea address for default wep keys,
+ driver needs it to be Null */
+ if (!is_multicast_ether_addr(mac_addr))
+ memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN);
+ key.len = (u32) params->key_len;
+ /* check for key index change */
+ if (key.len == 0) {
+ /* key delete */
+ err = send_key_to_dongle(ndev, &key);
+ if (err)
+ return err;
+ } else {
+ if (key.len > sizeof(key.data)) {
+ WL_ERR("Invalid key length (%d)\n", key.len);
+ return -EINVAL;
+ }
+
+ WL_CONN("Setting the key index %d\n", key.index);
+ memcpy(key.data, params->key, key.len);
+
+ if (params->cipher == WLAN_CIPHER_SUITE_TKIP) {
+ u8 keybuf[8];
+ memcpy(keybuf, &key.data[24], sizeof(keybuf));
+ memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
+ memcpy(&key.data[16], keybuf, sizeof(keybuf));
+ }
+
+ /* if IW_ENCODE_EXT_RX_SEQ_VALID set */
+ if (params->seq && params->seq_len == 6) {
+ /* rx iv */
+ u8 *ivptr;
+ ivptr = (u8 *) params->seq;
+ key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
+ (ivptr[3] << 8) | ivptr[2];
+ key.rxiv.lo = (ivptr[1] << 8) | ivptr[0];
+ key.iv_initialized = true;
+ }
+
+ switch (params->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ key.algo = CRYPTO_ALGO_WEP1;
+ WL_CONN("WLAN_CIPHER_SUITE_WEP40\n");
+ break;
+ case WLAN_CIPHER_SUITE_WEP104:
+ key.algo = CRYPTO_ALGO_WEP128;
+ WL_CONN("WLAN_CIPHER_SUITE_WEP104\n");
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ key.algo = CRYPTO_ALGO_TKIP;
+ WL_CONN("WLAN_CIPHER_SUITE_TKIP\n");
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ key.algo = CRYPTO_ALGO_AES_CCM;
+ WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n");
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ key.algo = CRYPTO_ALGO_AES_CCM;
+ WL_CONN("WLAN_CIPHER_SUITE_CCMP\n");
+ break;
+ default:
+ WL_ERR("Invalid cipher (0x%x)\n", params->cipher);
+ return -EINVAL;
+ }
+ convert_key_from_CPU(&key, &key_le);
+
+ brcmf_netdev_wait_pend8021x(ndev);
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_KEY, &key_le,
+ sizeof(key_le));
+ if (err) {
+ WL_ERR("WLC_SET_KEY error (%d)\n", err);
+ return err;
+ }
+ }
+ return err;
+}
+
+static s32
+brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
+ u8 key_idx, bool pairwise, const u8 *mac_addr,
+ struct key_params *params)
+{
+ struct brcmf_wsec_key key;
+ s32 val;
+ s32 wsec;
+ s32 err = 0;
+ u8 keybuf[8];
+
+ WL_TRACE("Enter\n");
+ WL_CONN("key index (%d)\n", key_idx);
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ if (mac_addr) {
+ WL_TRACE("Exit");
+ return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params);
+ }
+ memset(&key, 0, sizeof(key));
+
+ key.len = (u32) params->key_len;
+ key.index = (u32) key_idx;
+
+ if (key.len > sizeof(key.data)) {
+ WL_ERR("Too long key length (%u)\n", key.len);
+ err = -EINVAL;
+ goto done;
+ }
+ memcpy(key.data, params->key, key.len);
+
+ key.flags = BRCMF_PRIMARY_KEY;
+ switch (params->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ key.algo = CRYPTO_ALGO_WEP1;
+ WL_CONN("WLAN_CIPHER_SUITE_WEP40\n");
+ break;
+ case WLAN_CIPHER_SUITE_WEP104:
+ key.algo = CRYPTO_ALGO_WEP128;
+ WL_CONN("WLAN_CIPHER_SUITE_WEP104\n");
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ memcpy(keybuf, &key.data[24], sizeof(keybuf));
+ memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
+ memcpy(&key.data[16], keybuf, sizeof(keybuf));
+ key.algo = CRYPTO_ALGO_TKIP;
+ WL_CONN("WLAN_CIPHER_SUITE_TKIP\n");
+ break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ key.algo = CRYPTO_ALGO_AES_CCM;
+ WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n");
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ key.algo = CRYPTO_ALGO_AES_CCM;
+ WL_CONN("WLAN_CIPHER_SUITE_CCMP\n");
+ break;
+ default:
+ WL_ERR("Invalid cipher (0x%x)\n", params->cipher);
+ err = -EINVAL;
+ goto done;
+ }
+
+ err = send_key_to_dongle(ndev, &key); /* Set the new key/index */
+ if (err)
+ goto done;
+
+ val = WEP_ENABLED;
+ err = brcmf_dev_intvar_get(ndev, "wsec", &wsec);
+ if (err) {
+ WL_ERR("get wsec error (%d)\n", err);
+ goto done;
+ }
+ wsec &= ~(WEP_ENABLED);
+ wsec |= val;
+ err = brcmf_dev_intvar_set(ndev, "wsec", wsec);
+ if (err) {
+ WL_ERR("set wsec error (%d)\n", err);
+ goto done;
+ }
+
+ val = 1; /* assume shared key. otherwise 0 */
+ err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AUTH, &val);
+ if (err)
+ WL_ERR("WLC_SET_AUTH error (%d)\n", err);
+done:
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
+ u8 key_idx, bool pairwise, const u8 *mac_addr)
+{
+ struct brcmf_wsec_key key;
+ s32 err = 0;
+ s32 val;
+ s32 wsec;
+
+ WL_TRACE("Enter\n");
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ memset(&key, 0, sizeof(key));
+
+ key.index = (u32) key_idx;
+ key.flags = BRCMF_PRIMARY_KEY;
+ key.algo = CRYPTO_ALGO_OFF;
+
+ WL_CONN("key index (%d)\n", key_idx);
+
+ /* Set the new key/index */
+ err = send_key_to_dongle(ndev, &key);
+ if (err) {
+ if (err == -EINVAL) {
+ if (key.index >= DOT11_MAX_DEFAULT_KEYS)
+ /* we ignore this key index in this case */
+ WL_ERR("invalid key index (%d)\n", key_idx);
+ }
+ /* Ignore this error, may happen during DISASSOC */
+ err = -EAGAIN;
+ goto done;
+ }
+
+ val = 0;
+ err = brcmf_dev_intvar_get(ndev, "wsec", &wsec);
+ if (err) {
+ WL_ERR("get wsec error (%d)\n", err);
+ /* Ignore this error, may happen during DISASSOC */
+ err = -EAGAIN;
+ goto done;
+ }
+ wsec &= ~(WEP_ENABLED);
+ wsec |= val;
+ err = brcmf_dev_intvar_set(ndev, "wsec", wsec);
+ if (err) {
+ WL_ERR("set wsec error (%d)\n", err);
+ /* Ignore this error, may happen during DISASSOC */
+ err = -EAGAIN;
+ goto done;
+ }
+
+ val = 0; /* assume open key. otherwise 1 */
+ err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AUTH, &val);
+ if (err) {
+ WL_ERR("WLC_SET_AUTH error (%d)\n", err);
+ /* Ignore this error, may happen during DISASSOC */
+ err = -EAGAIN;
+ }
+done:
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
+ u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie,
+ void (*callback) (void *cookie, struct key_params * params))
+{
+ struct key_params params;
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ struct brcmf_cfg80211_security *sec;
+ s32 wsec;
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+ WL_CONN("key index (%d)\n", key_idx);
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ memset(&params, 0, sizeof(params));
+
+ err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_WSEC, &wsec);
+ if (err) {
+ WL_ERR("WLC_GET_WSEC error (%d)\n", err);
+ /* Ignore this error, may happen during DISASSOC */
+ err = -EAGAIN;
+ goto done;
+ }
+ switch (wsec) {
+ case WEP_ENABLED:
+ sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC);
+ if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
+ params.cipher = WLAN_CIPHER_SUITE_WEP40;
+ WL_CONN("WLAN_CIPHER_SUITE_WEP40\n");
+ } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) {
+ params.cipher = WLAN_CIPHER_SUITE_WEP104;
+ WL_CONN("WLAN_CIPHER_SUITE_WEP104\n");
+ }
+ break;
+ case TKIP_ENABLED:
+ params.cipher = WLAN_CIPHER_SUITE_TKIP;
+ WL_CONN("WLAN_CIPHER_SUITE_TKIP\n");
+ break;
+ case AES_ENABLED:
+ params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
+ WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n");
+ break;
+ default:
+ WL_ERR("Invalid algo (0x%x)\n", wsec);
+ err = -EINVAL;
+ goto done;
+ }
+ callback(cookie, &params);
+
+done:
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy,
+ struct net_device *ndev, u8 key_idx)
+{
+ WL_INFO("Not supported\n");
+
+ return -EOPNOTSUPP;
+}
+
+static s32
+brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
+ u8 *mac, struct station_info *sinfo)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ struct brcmf_scb_val_le scb_val;
+ int rssi;
+ s32 rate;
+ s32 err = 0;
+ u8 *bssid = brcmf_read_prof(cfg_priv, WL_PROF_BSSID);
+
+ WL_TRACE("Enter\n");
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ if (memcmp(mac, bssid, ETH_ALEN)) {
+ WL_ERR("Wrong Mac address cfg_mac-%X:%X:%X:%X:%X:%X"
+ "wl_bssid-%X:%X:%X:%X:%X:%X\n",
+ mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
+ bssid[0], bssid[1], bssid[2], bssid[3],
+ bssid[4], bssid[5]);
+ err = -ENOENT;
+ goto done;
+ }
+
+ /* Report the current tx rate */
+ err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_RATE, &rate);
+ if (err) {
+ WL_ERR("Could not get rate (%d)\n", err);
+ } else {
+ sinfo->filled |= STATION_INFO_TX_BITRATE;
+ sinfo->txrate.legacy = rate * 5;
+ WL_CONN("Rate %d Mbps\n", rate / 2);
+ }
+
+ if (test_bit(WL_STATUS_CONNECTED, &cfg_priv->status)) {
+ scb_val.val = cpu_to_le32(0);
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_RSSI, &scb_val,
+ sizeof(struct brcmf_scb_val_le));
+ if (err)
+ WL_ERR("Could not get rssi (%d)\n", err);
+
+ rssi = le32_to_cpu(scb_val.val);
+ sinfo->filled |= STATION_INFO_SIGNAL;
+ sinfo->signal = rssi;
+ WL_CONN("RSSI %d dBm\n", rssi);
+ }
+
+done:
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
+ bool enabled, s32 timeout)
+{
+ s32 pm;
+ s32 err = 0;
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+
+ WL_TRACE("Enter\n");
+
+ /*
+ * Powersave enable/disable request is coming from the
+ * cfg80211 even before the interface is up. In that
+ * scenario, driver will be storing the power save
+ * preference in cfg_priv struct to apply this to
+ * FW later while initializing the dongle
+ */
+ cfg_priv->pwr_save = enabled;
+ if (!test_bit(WL_STATUS_READY, &cfg_priv->status)) {
+
+ WL_INFO("Device is not ready,"
+ "storing the value in cfg_priv struct\n");
+ goto done;
+ }
+
+ pm = enabled ? PM_FAST : PM_OFF;
+ WL_INFO("power save %s\n", (pm ? "enabled" : "disabled"));
+
+ err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &pm);
+ if (err) {
+ if (err == -ENODEV)
+ WL_ERR("net_device is not ready yet\n");
+ else
+ WL_ERR("error (%d)\n", err);
+ }
+done:
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_set_bitrate_mask(struct wiphy *wiphy, struct net_device *ndev,
+ const u8 *addr,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ struct brcm_rateset_le rateset_le;
+ s32 rate;
+ s32 val;
+ s32 err_bg;
+ s32 err_a;
+ u32 legacy;
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ /* addr param is always NULL. ignore it */
+ /* Get current rateset */
+ err = brcmf_exec_dcmd(ndev, BRCM_GET_CURR_RATESET, &rateset_le,
+ sizeof(rateset_le));
+ if (err) {
+ WL_ERR("could not get current rateset (%d)\n", err);
+ goto done;
+ }
+
+ legacy = ffs(mask->control[IEEE80211_BAND_2GHZ].legacy & 0xFFFF);
+ if (!legacy)
+ legacy = ffs(mask->control[IEEE80211_BAND_5GHZ].legacy &
+ 0xFFFF);
+
+ val = wl_g_rates[legacy - 1].bitrate * 100000;
+
+ if (val < le32_to_cpu(rateset_le.count))
+ /* Select rate by rateset index */
+ rate = rateset_le.rates[val] & 0x7f;
+ else
+ /* Specified rate in bps */
+ rate = val / 500000;
+
+ WL_CONN("rate %d mbps\n", rate / 2);
+
+ /*
+ *
+ * Set rate override,
+ * Since the is a/b/g-blind, both a/bg_rate are enforced.
+ */
+ err_bg = brcmf_dev_intvar_set(ndev, "bg_rate", rate);
+ err_a = brcmf_dev_intvar_set(ndev, "a_rate", rate);
+ if (err_bg && err_a) {
+ WL_ERR("could not set fixed rate (%d) (%d)\n", err_bg, err_a);
+ err = err_bg | err_a;
+ }
+
+done:
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_priv *cfg_priv,
+ struct brcmf_bss_info *bi)
+{
+ struct wiphy *wiphy = cfg_to_wiphy(cfg_priv);
+ struct ieee80211_channel *notify_channel;
+ struct cfg80211_bss *bss;
+ struct ieee80211_supported_band *band;
+ s32 err = 0;
+ u16 channel;
+ u32 freq;
+ u64 notify_timestamp;
+ u16 notify_capability;
+ u16 notify_interval;
+ u8 *notify_ie;
+ size_t notify_ielen;
+ s32 notify_signal;
+
+ if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) {
+ WL_ERR("Bss info is larger than buffer. Discarding\n");
+ return 0;
+ }
+
+ channel = bi->ctl_ch ? bi->ctl_ch :
+ CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec));
+
+ if (channel <= CH_MAX_2G_CHANNEL)
+ band = wiphy->bands[IEEE80211_BAND_2GHZ];
+ else
+ band = wiphy->bands[IEEE80211_BAND_5GHZ];
+
+ freq = ieee80211_channel_to_frequency(channel, band->band);
+ notify_channel = ieee80211_get_channel(wiphy, freq);
+
+ notify_timestamp = jiffies_to_msecs(jiffies)*1000; /* uSec */
+ notify_capability = le16_to_cpu(bi->capability);
+ notify_interval = le16_to_cpu(bi->beacon_period);
+ notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
+ notify_ielen = le32_to_cpu(bi->ie_length);
+ notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
+
+ WL_CONN("bssid: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
+ bi->BSSID[0], bi->BSSID[1], bi->BSSID[2],
+ bi->BSSID[3], bi->BSSID[4], bi->BSSID[5]);
+ WL_CONN("Channel: %d(%d)\n", channel, freq);
+ WL_CONN("Capability: %X\n", notify_capability);
+ WL_CONN("Beacon interval: %d\n", notify_interval);
+ WL_CONN("Signal: %d\n", notify_signal);
+ WL_CONN("notify_timestamp: %#018llx\n", notify_timestamp);
+
+ bss = cfg80211_inform_bss(wiphy, notify_channel, (const u8 *)bi->BSSID,
+ notify_timestamp, notify_capability, notify_interval, notify_ie,
+ notify_ielen, notify_signal, GFP_KERNEL);
+
+ if (!bss) {
+ WL_ERR("cfg80211_inform_bss_frame error\n");
+ return -EINVAL;
+ }
+
+ return err;
+}
+
+static s32 brcmf_inform_bss(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct brcmf_scan_results *bss_list;
+ struct brcmf_bss_info *bi = NULL; /* must be initialized */
+ s32 err = 0;
+ int i;
+
+ bss_list = cfg_priv->bss_list;
+ if (bss_list->version != BRCMF_BSS_INFO_VERSION) {
+ WL_ERR("Version %d != WL_BSS_INFO_VERSION\n",
+ bss_list->version);
+ return -EOPNOTSUPP;
+ }
+ WL_SCAN("scanned AP count (%d)\n", bss_list->count);
+ for (i = 0; i < bss_list->count && i < WL_AP_MAX; i++) {
+ bi = next_bss(bss_list, bi);
+ err = brcmf_inform_single_bss(cfg_priv, bi);
+ if (err)
+ break;
+ }
+ return err;
+}
+
+static s32 wl_inform_ibss(struct brcmf_cfg80211_priv *cfg_priv,
+ struct net_device *ndev, const u8 *bssid)
+{
+ struct wiphy *wiphy = cfg_to_wiphy(cfg_priv);
+ struct ieee80211_channel *notify_channel;
+ struct brcmf_bss_info *bi = NULL;
+ struct ieee80211_supported_band *band;
+ u8 *buf = NULL;
+ s32 err = 0;
+ u16 channel;
+ u32 freq;
+ u64 notify_timestamp;
+ u16 notify_capability;
+ u16 notify_interval;
+ u8 *notify_ie;
+ size_t notify_ielen;
+ s32 notify_signal;
+
+ WL_TRACE("Enter\n");
+
+ buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
+ if (buf == NULL) {
+ err = -ENOMEM;
+ goto CleanUp;
+ }
+
+ *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
+
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_BSS_INFO, buf, WL_BSS_INFO_MAX);
+ if (err) {
+ WL_ERR("WLC_GET_BSS_INFO failed: %d\n", err);
+ goto CleanUp;
+ }
+
+ bi = (struct brcmf_bss_info *)(buf + 4);
+
+ channel = bi->ctl_ch ? bi->ctl_ch :
+ CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec));
+
+ if (channel <= CH_MAX_2G_CHANNEL)
+ band = wiphy->bands[IEEE80211_BAND_2GHZ];
+ else
+ band = wiphy->bands[IEEE80211_BAND_5GHZ];
+
+ freq = ieee80211_channel_to_frequency(channel, band->band);
+ notify_channel = ieee80211_get_channel(wiphy, freq);
+
+ notify_timestamp = jiffies_to_msecs(jiffies)*1000; /* uSec */
+ notify_capability = le16_to_cpu(bi->capability);
+ notify_interval = le16_to_cpu(bi->beacon_period);
+ notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset);
+ notify_ielen = le32_to_cpu(bi->ie_length);
+ notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100;
+
+ WL_CONN("channel: %d(%d)\n", channel, freq);
+ WL_CONN("capability: %X\n", notify_capability);
+ WL_CONN("beacon interval: %d\n", notify_interval);
+ WL_CONN("signal: %d\n", notify_signal);
+ WL_CONN("notify_timestamp: %#018llx\n", notify_timestamp);
+
+ cfg80211_inform_bss(wiphy, notify_channel, bssid,
+ notify_timestamp, notify_capability, notify_interval,
+ notify_ie, notify_ielen, notify_signal, GFP_KERNEL);
+
+CleanUp:
+
+ kfree(buf);
+
+ WL_TRACE("Exit\n");
+
+ return err;
+}
+
+static bool brcmf_is_ibssmode(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ return cfg_priv->conf->mode == WL_MODE_IBSS;
+}
+
+static s32 brcmf_update_bss_info(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct brcmf_bss_info *bi;
+ struct brcmf_ssid *ssid;
+ struct brcmu_tlv *tim;
+ u16 beacon_interval;
+ u8 dtim_period;
+ size_t ie_len;
+ u8 *ie;
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+ if (brcmf_is_ibssmode(cfg_priv))
+ return err;
+
+ ssid = (struct brcmf_ssid *)brcmf_read_prof(cfg_priv, WL_PROF_SSID);
+
+ *(__le32 *)cfg_priv->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX);
+ err = brcmf_exec_dcmd(cfg_to_ndev(cfg_priv), BRCMF_C_GET_BSS_INFO,
+ cfg_priv->extra_buf, WL_EXTRA_BUF_MAX);
+ if (err) {
+ WL_ERR("Could not get bss info %d\n", err);
+ goto update_bss_info_out;
+ }
+
+ bi = (struct brcmf_bss_info *)(cfg_priv->extra_buf + 4);
+ err = brcmf_inform_single_bss(cfg_priv, bi);
+ if (err)
+ goto update_bss_info_out;
+
+ ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset);
+ ie_len = le32_to_cpu(bi->ie_length);
+ beacon_interval = le16_to_cpu(bi->beacon_period);
+
+ tim = brcmu_parse_tlvs(ie, ie_len, WLAN_EID_TIM);
+ if (tim)
+ dtim_period = tim->data[1];
+ else {
+ /*
+ * active scan was done so we could not get dtim
+ * information out of probe response.
+ * so we speficially query dtim information to dongle.
+ */
+ u32 var;
+ err = brcmf_dev_intvar_get(cfg_to_ndev(cfg_priv),
+ "dtim_assoc", &var);
+ if (err) {
+ WL_ERR("wl dtim_assoc failed (%d)\n", err);
+ goto update_bss_info_out;
+ }
+ dtim_period = (u8)var;
+ }
+
+ brcmf_update_prof(cfg_priv, NULL, &beacon_interval, WL_PROF_BEACONINT);
+ brcmf_update_prof(cfg_priv, NULL, &dtim_period, WL_PROF_DTIMPERIOD);
+
+update_bss_info_out:
+ WL_TRACE("Exit");
+ return err;
+}
+
+static void brcmf_term_iscan(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv);
+ struct brcmf_ssid ssid;
+
+ if (cfg_priv->iscan_on) {
+ iscan->state = WL_ISCAN_STATE_IDLE;
+
+ if (iscan->timer_on) {
+ del_timer_sync(&iscan->timer);
+ iscan->timer_on = 0;
+ }
+
+ cancel_work_sync(&iscan->work);
+
+ /* Abort iscan running in FW */
+ memset(&ssid, 0, sizeof(ssid));
+ brcmf_run_iscan(iscan, &ssid, WL_SCAN_ACTION_ABORT);
+ }
+}
+
+static void brcmf_notify_iscan_complete(struct brcmf_cfg80211_iscan_ctrl *iscan,
+ bool aborted)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = iscan_to_cfg(iscan);
+ struct net_device *ndev = cfg_to_ndev(cfg_priv);
+
+ if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg_priv->status)) {
+ WL_ERR("Scan complete while device not scanning\n");
+ return;
+ }
+ if (cfg_priv->scan_request) {
+ WL_SCAN("ISCAN Completed scan: %s\n",
+ aborted ? "Aborted" : "Done");
+ cfg80211_scan_done(cfg_priv->scan_request, aborted);
+ brcmf_set_mpc(ndev, 1);
+ cfg_priv->scan_request = NULL;
+ }
+ cfg_priv->iscan_kickstart = false;
+}
+
+static s32 brcmf_wakeup_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan)
+{
+ if (iscan->state != WL_ISCAN_STATE_IDLE) {
+ WL_SCAN("wake up iscan\n");
+ schedule_work(&iscan->work);
+ return 0;
+ }
+
+ return -EIO;
+}
+
+static s32
+brcmf_get_iscan_results(struct brcmf_cfg80211_iscan_ctrl *iscan, u32 *status,
+ struct brcmf_scan_results **bss_list)
+{
+ struct brcmf_iscan_results list;
+ struct brcmf_scan_results *results;
+ struct brcmf_scan_results_le *results_le;
+ struct brcmf_iscan_results *list_buf;
+ s32 err = 0;
+
+ memset(iscan->scan_buf, 0, WL_ISCAN_BUF_MAX);
+ list_buf = (struct brcmf_iscan_results *)iscan->scan_buf;
+ results = &list_buf->results;
+ results_le = &list_buf->results_le;
+ results->buflen = BRCMF_ISCAN_RESULTS_FIXED_SIZE;
+ results->version = 0;
+ results->count = 0;
+
+ memset(&list, 0, sizeof(list));
+ list.results_le.buflen = cpu_to_le32(WL_ISCAN_BUF_MAX);
+ err = brcmf_dev_iovar_getbuf(iscan->ndev, "iscanresults", &list,
+ BRCMF_ISCAN_RESULTS_FIXED_SIZE,
+ iscan->scan_buf, WL_ISCAN_BUF_MAX);
+ if (err) {
+ WL_ERR("error (%d)\n", err);
+ return err;
+ }
+ results->buflen = le32_to_cpu(results_le->buflen);
+ results->version = le32_to_cpu(results_le->version);
+ results->count = le32_to_cpu(results_le->count);
+ WL_SCAN("results->count = %d\n", results_le->count);
+ WL_SCAN("results->buflen = %d\n", results_le->buflen);
+ *status = le32_to_cpu(list_buf->status_le);
+ WL_SCAN("status = %d\n", *status);
+ *bss_list = results;
+
+ return err;
+}
+
+static s32 brcmf_iscan_done(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan;
+ s32 err = 0;
+
+ iscan->state = WL_ISCAN_STATE_IDLE;
+ brcmf_inform_bss(cfg_priv);
+ brcmf_notify_iscan_complete(iscan, false);
+
+ return err;
+}
+
+static s32 brcmf_iscan_pending(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan;
+ s32 err = 0;
+
+ /* Reschedule the timer */
+ mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000);
+ iscan->timer_on = 1;
+
+ return err;
+}
+
+static s32 brcmf_iscan_inprogress(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan;
+ s32 err = 0;
+
+ brcmf_inform_bss(cfg_priv);
+ brcmf_run_iscan(iscan, NULL, BRCMF_SCAN_ACTION_CONTINUE);
+ /* Reschedule the timer */
+ mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000);
+ iscan->timer_on = 1;
+
+ return err;
+}
+
+static s32 brcmf_iscan_aborted(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan;
+ s32 err = 0;
+
+ iscan->state = WL_ISCAN_STATE_IDLE;
+ brcmf_notify_iscan_complete(iscan, true);
+
+ return err;
+}
+
+static void brcmf_cfg80211_iscan_handler(struct work_struct *work)
+{
+ struct brcmf_cfg80211_iscan_ctrl *iscan =
+ container_of(work, struct brcmf_cfg80211_iscan_ctrl,
+ work);
+ struct brcmf_cfg80211_priv *cfg_priv = iscan_to_cfg(iscan);
+ struct brcmf_cfg80211_iscan_eloop *el = &iscan->el;
+ u32 status = BRCMF_SCAN_RESULTS_PARTIAL;
+
+ if (iscan->timer_on) {
+ del_timer_sync(&iscan->timer);
+ iscan->timer_on = 0;
+ }
+
+ if (brcmf_get_iscan_results(iscan, &status, &cfg_priv->bss_list)) {
+ status = BRCMF_SCAN_RESULTS_ABORTED;
+ WL_ERR("Abort iscan\n");
+ }
+
+ el->handler[status](cfg_priv);
+}
+
+static void brcmf_iscan_timer(unsigned long data)
+{
+ struct brcmf_cfg80211_iscan_ctrl *iscan =
+ (struct brcmf_cfg80211_iscan_ctrl *)data;
+
+ if (iscan) {
+ iscan->timer_on = 0;
+ WL_SCAN("timer expired\n");
+ brcmf_wakeup_iscan(iscan);
+ }
+}
+
+static s32 brcmf_invoke_iscan(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv);
+
+ if (cfg_priv->iscan_on) {
+ iscan->state = WL_ISCAN_STATE_IDLE;
+ INIT_WORK(&iscan->work, brcmf_cfg80211_iscan_handler);
+ }
+
+ return 0;
+}
+
+static void brcmf_init_iscan_eloop(struct brcmf_cfg80211_iscan_eloop *el)
+{
+ memset(el, 0, sizeof(*el));
+ el->handler[BRCMF_SCAN_RESULTS_SUCCESS] = brcmf_iscan_done;
+ el->handler[BRCMF_SCAN_RESULTS_PARTIAL] = brcmf_iscan_inprogress;
+ el->handler[BRCMF_SCAN_RESULTS_PENDING] = brcmf_iscan_pending;
+ el->handler[BRCMF_SCAN_RESULTS_ABORTED] = brcmf_iscan_aborted;
+ el->handler[BRCMF_SCAN_RESULTS_NO_MEM] = brcmf_iscan_aborted;
+}
+
+static s32 brcmf_init_iscan(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv);
+ int err = 0;
+
+ if (cfg_priv->iscan_on) {
+ iscan->ndev = cfg_to_ndev(cfg_priv);
+ brcmf_init_iscan_eloop(&iscan->el);
+ iscan->timer_ms = WL_ISCAN_TIMER_INTERVAL_MS;
+ init_timer(&iscan->timer);
+ iscan->timer.data = (unsigned long) iscan;
+ iscan->timer.function = brcmf_iscan_timer;
+ err = brcmf_invoke_iscan(cfg_priv);
+ if (!err)
+ iscan->data = cfg_priv;
+ }
+
+ return err;
+}
+
+static void brcmf_delay(u32 ms)
+{
+ if (ms < 1000 / HZ) {
+ cond_resched();
+ mdelay(ms);
+ } else {
+ msleep(ms);
+ }
+}
+
+static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+
+ /*
+ * Check for WL_STATUS_READY before any function call which
+ * could result is bus access. Don't block the resume for
+ * any driver error conditions
+ */
+ WL_TRACE("Enter\n");
+
+ if (test_bit(WL_STATUS_READY, &cfg_priv->status))
+ brcmf_invoke_iscan(wiphy_to_cfg(wiphy));
+
+ WL_TRACE("Exit\n");
+ return 0;
+}
+
+static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
+ struct cfg80211_wowlan *wow)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ struct net_device *ndev = cfg_to_ndev(cfg_priv);
+
+ WL_TRACE("Enter\n");
+
+ /*
+ * Check for WL_STATUS_READY before any function call which
+ * could result is bus access. Don't block the suspend for
+ * any driver error conditions
+ */
+
+ /*
+ * While going to suspend if associated with AP disassociate
+ * from AP to save power while system is in suspended state
+ */
+ if ((test_bit(WL_STATUS_CONNECTED, &cfg_priv->status) ||
+ test_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) &&
+ test_bit(WL_STATUS_READY, &cfg_priv->status)) {
+ WL_INFO("Disassociating from AP"
+ " while entering suspend state\n");
+ brcmf_link_down(cfg_priv);
+
+ /*
+ * Make sure WPA_Supplicant receives all the event
+ * generated due to DISASSOC call to the fw to keep
+ * the state fw and WPA_Supplicant state consistent
+ */
+ brcmf_delay(500);
+ }
+
+ set_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status);
+ if (test_bit(WL_STATUS_READY, &cfg_priv->status))
+ brcmf_term_iscan(cfg_priv);
+
+ if (cfg_priv->scan_request) {
+ /* Indidate scan abort to cfg80211 layer */
+ WL_INFO("Terminating scan in progress\n");
+ cfg80211_scan_done(cfg_priv->scan_request, true);
+ cfg_priv->scan_request = NULL;
+ }
+ clear_bit(WL_STATUS_SCANNING, &cfg_priv->status);
+ clear_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status);
+
+ /* Turn off watchdog timer */
+ if (test_bit(WL_STATUS_READY, &cfg_priv->status)) {
+ WL_INFO("Enable MPC\n");
+ brcmf_set_mpc(ndev, 1);
+ }
+
+ WL_TRACE("Exit\n");
+
+ return 0;
+}
+
+static __used s32
+brcmf_dev_bufvar_set(struct net_device *ndev, s8 *name, s8 *buf, s32 len)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
+ u32 buflen;
+
+ buflen = brcmu_mkiovar(name, buf, len, cfg_priv->dcmd_buf,
+ WL_DCMD_LEN_MAX);
+ BUG_ON(!buflen);
+
+ return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, cfg_priv->dcmd_buf,
+ buflen);
+}
+
+static s32
+brcmf_dev_bufvar_get(struct net_device *ndev, s8 *name, s8 *buf,
+ s32 buf_len)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
+ u32 len;
+ s32 err = 0;
+
+ len = brcmu_mkiovar(name, NULL, 0, cfg_priv->dcmd_buf,
+ WL_DCMD_LEN_MAX);
+ BUG_ON(!len);
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, cfg_priv->dcmd_buf,
+ WL_DCMD_LEN_MAX);
+ if (err) {
+ WL_ERR("error (%d)\n", err);
+ return err;
+ }
+ memcpy(buf, cfg_priv->dcmd_buf, buf_len);
+
+ return err;
+}
+
+static __used s32
+brcmf_update_pmklist(struct net_device *ndev,
+ struct brcmf_cfg80211_pmk_list *pmk_list, s32 err)
+{
+ int i, j;
+
+ WL_CONN("No of elements %d\n", pmk_list->pmkids.npmkid);
+ for (i = 0; i < pmk_list->pmkids.npmkid; i++) {
+ WL_CONN("PMKID[%d]: %pM =\n", i,
+ &pmk_list->pmkids.pmkid[i].BSSID);
+ for (j = 0; j < WLAN_PMKID_LEN; j++)
+ WL_CONN("%02x\n", pmk_list->pmkids.pmkid[i].PMKID[j]);
+ }
+
+ if (!err)
+ brcmf_dev_bufvar_set(ndev, "pmkid_info", (char *)pmk_list,
+ sizeof(*pmk_list));
+
+ return err;
+}
+
+static s32
+brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev,
+ struct cfg80211_pmksa *pmksa)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ struct pmkid_list *pmkids = &cfg_priv->pmk_list->pmkids;
+ s32 err = 0;
+ int i;
+
+ WL_TRACE("Enter\n");
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ for (i = 0; i < pmkids->npmkid; i++)
+ if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN))
+ break;
+ if (i < WL_NUM_PMKIDS_MAX) {
+ memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN);
+ memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
+ if (i == pmkids->npmkid)
+ pmkids->npmkid++;
+ } else
+ err = -EINVAL;
+
+ WL_CONN("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n",
+ pmkids->pmkid[pmkids->npmkid].BSSID);
+ for (i = 0; i < WLAN_PMKID_LEN; i++)
+ WL_CONN("%02x\n", pmkids->pmkid[pmkids->npmkid].PMKID[i]);
+
+ err = brcmf_update_pmklist(ndev, cfg_priv->pmk_list, err);
+
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev,
+ struct cfg80211_pmksa *pmksa)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ struct pmkid_list pmkid;
+ s32 err = 0;
+ int i;
+
+ WL_TRACE("Enter\n");
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN);
+ memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN);
+
+ WL_CONN("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n",
+ &pmkid.pmkid[0].BSSID);
+ for (i = 0; i < WLAN_PMKID_LEN; i++)
+ WL_CONN("%02x\n", pmkid.pmkid[0].PMKID[i]);
+
+ for (i = 0; i < cfg_priv->pmk_list->pmkids.npmkid; i++)
+ if (!memcmp
+ (pmksa->bssid, &cfg_priv->pmk_list->pmkids.pmkid[i].BSSID,
+ ETH_ALEN))
+ break;
+
+ if ((cfg_priv->pmk_list->pmkids.npmkid > 0)
+ && (i < cfg_priv->pmk_list->pmkids.npmkid)) {
+ memset(&cfg_priv->pmk_list->pmkids.pmkid[i], 0,
+ sizeof(struct pmkid));
+ for (; i < (cfg_priv->pmk_list->pmkids.npmkid - 1); i++) {
+ memcpy(&cfg_priv->pmk_list->pmkids.pmkid[i].BSSID,
+ &cfg_priv->pmk_list->pmkids.pmkid[i + 1].BSSID,
+ ETH_ALEN);
+ memcpy(&cfg_priv->pmk_list->pmkids.pmkid[i].PMKID,
+ &cfg_priv->pmk_list->pmkids.pmkid[i + 1].PMKID,
+ WLAN_PMKID_LEN);
+ }
+ cfg_priv->pmk_list->pmkids.npmkid--;
+ } else
+ err = -EINVAL;
+
+ err = brcmf_update_pmklist(ndev, cfg_priv->pmk_list, err);
+
+ WL_TRACE("Exit\n");
+ return err;
+
+}
+
+static s32
+brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev)
+{
+ struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy);
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+ if (!check_sys_up(wiphy))
+ return -EIO;
+
+ memset(cfg_priv->pmk_list, 0, sizeof(*cfg_priv->pmk_list));
+ err = brcmf_update_pmklist(ndev, cfg_priv->pmk_list, err);
+
+ WL_TRACE("Exit\n");
+ return err;
+
+}
+
+static struct cfg80211_ops wl_cfg80211_ops = {
+ .change_virtual_intf = brcmf_cfg80211_change_iface,
+ .scan = brcmf_cfg80211_scan,
+ .set_wiphy_params = brcmf_cfg80211_set_wiphy_params,
+ .join_ibss = brcmf_cfg80211_join_ibss,
+ .leave_ibss = brcmf_cfg80211_leave_ibss,
+ .get_station = brcmf_cfg80211_get_station,
+ .set_tx_power = brcmf_cfg80211_set_tx_power,
+ .get_tx_power = brcmf_cfg80211_get_tx_power,
+ .add_key = brcmf_cfg80211_add_key,
+ .del_key = brcmf_cfg80211_del_key,
+ .get_key = brcmf_cfg80211_get_key,
+ .set_default_key = brcmf_cfg80211_config_default_key,
+ .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key,
+ .set_power_mgmt = brcmf_cfg80211_set_power_mgmt,
+ .set_bitrate_mask = brcmf_cfg80211_set_bitrate_mask,
+ .connect = brcmf_cfg80211_connect,
+ .disconnect = brcmf_cfg80211_disconnect,
+ .suspend = brcmf_cfg80211_suspend,
+ .resume = brcmf_cfg80211_resume,
+ .set_pmksa = brcmf_cfg80211_set_pmksa,
+ .del_pmksa = brcmf_cfg80211_del_pmksa,
+ .flush_pmksa = brcmf_cfg80211_flush_pmksa
+};
+
+static s32 brcmf_mode_to_nl80211_iftype(s32 mode)
+{
+ s32 err = 0;
+
+ switch (mode) {
+ case WL_MODE_BSS:
+ return NL80211_IFTYPE_STATION;
+ case WL_MODE_IBSS:
+ return NL80211_IFTYPE_ADHOC;
+ default:
+ return NL80211_IFTYPE_UNSPECIFIED;
+ }
+
+ return err;
+}
+
+static struct wireless_dev *brcmf_alloc_wdev(s32 sizeof_iface,
+ struct device *ndev)
+{
+ struct wireless_dev *wdev;
+ s32 err = 0;
+
+ wdev = kzalloc(sizeof(*wdev), GFP_KERNEL);
+ if (!wdev)
+ return ERR_PTR(-ENOMEM);
+
+ wdev->wiphy =
+ wiphy_new(&wl_cfg80211_ops,
+ sizeof(struct brcmf_cfg80211_priv) + sizeof_iface);
+ if (!wdev->wiphy) {
+ WL_ERR("Couldn not allocate wiphy device\n");
+ err = -ENOMEM;
+ goto wiphy_new_out;
+ }
+ set_wiphy_dev(wdev->wiphy, ndev);
+ wdev->wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
+ wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
+ wdev->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC);
+ wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz;
+ wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set
+ * it as 11a by default.
+ * This will be updated with
+ * 11n phy tables in
+ * "ifconfig up"
+ * if phy has 11n capability
+ */
+ wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
+ wdev->wiphy->cipher_suites = __wl_cipher_suites;
+ wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
+ wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power
+ * save mode
+ * by default
+ */
+ err = wiphy_register(wdev->wiphy);
+ if (err < 0) {
+ WL_ERR("Couldn not register wiphy device (%d)\n", err);
+ goto wiphy_register_out;
+ }
+ return wdev;
+
+wiphy_register_out:
+ wiphy_free(wdev->wiphy);
+
+wiphy_new_out:
+ kfree(wdev);
+
+ return ERR_PTR(err);
+}
+
+static void brcmf_free_wdev(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct wireless_dev *wdev = cfg_priv->wdev;
+
+ if (!wdev) {
+ WL_ERR("wdev is invalid\n");
+ return;
+ }
+ wiphy_unregister(wdev->wiphy);
+ wiphy_free(wdev->wiphy);
+ kfree(wdev);
+ cfg_priv->wdev = NULL;
+}
+
+static bool brcmf_is_linkup(struct brcmf_cfg80211_priv *cfg_priv,
+ const struct brcmf_event_msg *e)
+{
+ u32 event = be32_to_cpu(e->event_type);
+ u32 status = be32_to_cpu(e->status);
+
+ if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) {
+ WL_CONN("Processing set ssid\n");
+ cfg_priv->link_up = true;
+ return true;
+ }
+
+ return false;
+}
+
+static bool brcmf_is_linkdown(struct brcmf_cfg80211_priv *cfg_priv,
+ const struct brcmf_event_msg *e)
+{
+ u32 event = be32_to_cpu(e->event_type);
+ u16 flags = be16_to_cpu(e->flags);
+
+ if (event == BRCMF_E_LINK && (!(flags & BRCMF_EVENT_MSG_LINK))) {
+ WL_CONN("Processing link down\n");
+ return true;
+ }
+ return false;
+}
+
+static bool brcmf_is_nonetwork(struct brcmf_cfg80211_priv *cfg_priv,
+ const struct brcmf_event_msg *e)
+{
+ u32 event = be32_to_cpu(e->event_type);
+ u32 status = be32_to_cpu(e->status);
+
+ if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) {
+ WL_CONN("Processing Link %s & no network found\n",
+ be16_to_cpu(e->flags) & BRCMF_EVENT_MSG_LINK ?
+ "up" : "down");
+ return true;
+ }
+
+ if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) {
+ WL_CONN("Processing connecting & no network found\n");
+ return true;
+ }
+
+ return false;
+}
+
+static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv);
+
+ kfree(conn_info->req_ie);
+ conn_info->req_ie = NULL;
+ conn_info->req_ie_len = 0;
+ kfree(conn_info->resp_ie);
+ conn_info->resp_ie = NULL;
+ conn_info->resp_ie_len = 0;
+}
+
+static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct net_device *ndev = cfg_to_ndev(cfg_priv);
+ struct brcmf_cfg80211_assoc_ielen *assoc_info;
+ struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv);
+ u32 req_len;
+ u32 resp_len;
+ s32 err = 0;
+
+ brcmf_clear_assoc_ies(cfg_priv);
+
+ err = brcmf_dev_bufvar_get(ndev, "assoc_info", cfg_priv->extra_buf,
+ WL_ASSOC_INFO_MAX);
+ if (err) {
+ WL_ERR("could not get assoc info (%d)\n", err);
+ return err;
+ }
+ assoc_info = (struct brcmf_cfg80211_assoc_ielen *)cfg_priv->extra_buf;
+ req_len = assoc_info->req_len;
+ resp_len = assoc_info->resp_len;
+ if (req_len) {
+ err = brcmf_dev_bufvar_get(ndev, "assoc_req_ies",
+ cfg_priv->extra_buf,
+ WL_ASSOC_INFO_MAX);
+ if (err) {
+ WL_ERR("could not get assoc req (%d)\n", err);
+ return err;
+ }
+ conn_info->req_ie_len = req_len;
+ conn_info->req_ie =
+ kmemdup(cfg_priv->extra_buf, conn_info->req_ie_len,
+ GFP_KERNEL);
+ } else {
+ conn_info->req_ie_len = 0;
+ conn_info->req_ie = NULL;
+ }
+ if (resp_len) {
+ err = brcmf_dev_bufvar_get(ndev, "assoc_resp_ies",
+ cfg_priv->extra_buf,
+ WL_ASSOC_INFO_MAX);
+ if (err) {
+ WL_ERR("could not get assoc resp (%d)\n", err);
+ return err;
+ }
+ conn_info->resp_ie_len = resp_len;
+ conn_info->resp_ie =
+ kmemdup(cfg_priv->extra_buf, conn_info->resp_ie_len,
+ GFP_KERNEL);
+ } else {
+ conn_info->resp_ie_len = 0;
+ conn_info->resp_ie = NULL;
+ }
+ WL_CONN("req len (%d) resp len (%d)\n",
+ conn_info->req_ie_len, conn_info->resp_ie_len);
+
+ return err;
+}
+
+static s32
+brcmf_bss_roaming_done(struct brcmf_cfg80211_priv *cfg_priv,
+ struct net_device *ndev,
+ const struct brcmf_event_msg *e)
+{
+ struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv);
+ struct wiphy *wiphy = cfg_to_wiphy(cfg_priv);
+ struct brcmf_channel_info_le channel_le;
+ struct ieee80211_channel *notify_channel;
+ struct ieee80211_supported_band *band;
+ u32 freq;
+ s32 err = 0;
+ u32 target_channel;
+
+ WL_TRACE("Enter\n");
+
+ brcmf_get_assoc_ies(cfg_priv);
+ brcmf_update_prof(cfg_priv, NULL, &e->addr, WL_PROF_BSSID);
+ brcmf_update_bss_info(cfg_priv);
+
+ brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_le,
+ sizeof(channel_le));
+
+ target_channel = le32_to_cpu(channel_le.target_channel);
+ WL_CONN("Roamed to channel %d\n", target_channel);
+
+ if (target_channel <= CH_MAX_2G_CHANNEL)
+ band = wiphy->bands[IEEE80211_BAND_2GHZ];
+ else
+ band = wiphy->bands[IEEE80211_BAND_5GHZ];
+
+ freq = ieee80211_channel_to_frequency(target_channel, band->band);
+ notify_channel = ieee80211_get_channel(wiphy, freq);
+
+ cfg80211_roamed(ndev, notify_channel,
+ (u8 *)brcmf_read_prof(cfg_priv, WL_PROF_BSSID),
+ conn_info->req_ie, conn_info->req_ie_len,
+ conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
+ WL_CONN("Report roaming result\n");
+
+ set_bit(WL_STATUS_CONNECTED, &cfg_priv->status);
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_bss_connect_done(struct brcmf_cfg80211_priv *cfg_priv,
+ struct net_device *ndev, const struct brcmf_event_msg *e,
+ bool completed)
+{
+ struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv);
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+
+ if (test_and_clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) {
+ if (completed) {
+ brcmf_get_assoc_ies(cfg_priv);
+ brcmf_update_prof(cfg_priv, NULL, &e->addr,
+ WL_PROF_BSSID);
+ brcmf_update_bss_info(cfg_priv);
+ }
+ cfg80211_connect_result(ndev,
+ (u8 *)brcmf_read_prof(cfg_priv,
+ WL_PROF_BSSID),
+ conn_info->req_ie,
+ conn_info->req_ie_len,
+ conn_info->resp_ie,
+ conn_info->resp_ie_len,
+ completed ? WLAN_STATUS_SUCCESS :
+ WLAN_STATUS_AUTH_TIMEOUT,
+ GFP_KERNEL);
+ if (completed)
+ set_bit(WL_STATUS_CONNECTED, &cfg_priv->status);
+ WL_CONN("Report connect result - connection %s\n",
+ completed ? "succeeded" : "failed");
+ }
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_notify_connect_status(struct brcmf_cfg80211_priv *cfg_priv,
+ struct net_device *ndev,
+ const struct brcmf_event_msg *e, void *data)
+{
+ s32 err = 0;
+
+ if (brcmf_is_linkup(cfg_priv, e)) {
+ WL_CONN("Linkup\n");
+ if (brcmf_is_ibssmode(cfg_priv)) {
+ brcmf_update_prof(cfg_priv, NULL, (void *)e->addr,
+ WL_PROF_BSSID);
+ wl_inform_ibss(cfg_priv, ndev, e->addr);
+ cfg80211_ibss_joined(ndev, e->addr, GFP_KERNEL);
+ clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
+ set_bit(WL_STATUS_CONNECTED, &cfg_priv->status);
+ } else
+ brcmf_bss_connect_done(cfg_priv, ndev, e, true);
+ } else if (brcmf_is_linkdown(cfg_priv, e)) {
+ WL_CONN("Linkdown\n");
+ if (brcmf_is_ibssmode(cfg_priv)) {
+ clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
+ if (test_and_clear_bit(WL_STATUS_CONNECTED,
+ &cfg_priv->status))
+ brcmf_link_down(cfg_priv);
+ } else {
+ brcmf_bss_connect_done(cfg_priv, ndev, e, false);
+ if (test_and_clear_bit(WL_STATUS_CONNECTED,
+ &cfg_priv->status)) {
+ cfg80211_disconnected(ndev, 0, NULL, 0,
+ GFP_KERNEL);
+ brcmf_link_down(cfg_priv);
+ }
+ }
+ brcmf_init_prof(cfg_priv->profile);
+ } else if (brcmf_is_nonetwork(cfg_priv, e)) {
+ if (brcmf_is_ibssmode(cfg_priv))
+ clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status);
+ else
+ brcmf_bss_connect_done(cfg_priv, ndev, e, false);
+ }
+
+ return err;
+}
+
+static s32
+brcmf_notify_roaming_status(struct brcmf_cfg80211_priv *cfg_priv,
+ struct net_device *ndev,
+ const struct brcmf_event_msg *e, void *data)
+{
+ s32 err = 0;
+ u32 event = be32_to_cpu(e->event_type);
+ u32 status = be32_to_cpu(e->status);
+
+ if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
+ if (test_bit(WL_STATUS_CONNECTED, &cfg_priv->status))
+ brcmf_bss_roaming_done(cfg_priv, ndev, e);
+ else
+ brcmf_bss_connect_done(cfg_priv, ndev, e, true);
+ }
+
+ return err;
+}
+
+static s32
+brcmf_notify_mic_status(struct brcmf_cfg80211_priv *cfg_priv,
+ struct net_device *ndev,
+ const struct brcmf_event_msg *e, void *data)
+{
+ u16 flags = be16_to_cpu(e->flags);
+ enum nl80211_key_type key_type;
+
+ if (flags & BRCMF_EVENT_MSG_GROUP)
+ key_type = NL80211_KEYTYPE_GROUP;
+ else
+ key_type = NL80211_KEYTYPE_PAIRWISE;
+
+ cfg80211_michael_mic_failure(ndev, (u8 *)&e->addr, key_type, -1,
+ NULL, GFP_KERNEL);
+
+ return 0;
+}
+
+static s32
+brcmf_notify_scan_status(struct brcmf_cfg80211_priv *cfg_priv,
+ struct net_device *ndev,
+ const struct brcmf_event_msg *e, void *data)
+{
+ struct brcmf_channel_info_le channel_inform_le;
+ struct brcmf_scan_results_le *bss_list_le;
+ u32 len = WL_SCAN_BUF_MAX;
+ s32 err = 0;
+ bool scan_abort = false;
+ u32 scan_channel;
+
+ WL_TRACE("Enter\n");
+
+ if (cfg_priv->iscan_on && cfg_priv->iscan_kickstart) {
+ WL_TRACE("Exit\n");
+ return brcmf_wakeup_iscan(cfg_to_iscan(cfg_priv));
+ }
+
+ if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg_priv->status)) {
+ WL_ERR("Scan complete while device not scanning\n");
+ scan_abort = true;
+ err = -EINVAL;
+ goto scan_done_out;
+ }
+
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_inform_le,
+ sizeof(channel_inform_le));
+ if (err) {
+ WL_ERR("scan busy (%d)\n", err);
+ scan_abort = true;
+ goto scan_done_out;
+ }
+ scan_channel = le32_to_cpu(channel_inform_le.scan_channel);
+ if (scan_channel)
+ WL_CONN("channel_inform.scan_channel (%d)\n", scan_channel);
+ cfg_priv->bss_list = cfg_priv->scan_results;
+ bss_list_le = (struct brcmf_scan_results_le *) cfg_priv->bss_list;
+
+ memset(cfg_priv->scan_results, 0, len);
+ bss_list_le->buflen = cpu_to_le32(len);
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN_RESULTS,
+ cfg_priv->scan_results, len);
+ if (err) {
+ WL_ERR("%s Scan_results error (%d)\n", ndev->name, err);
+ err = -EINVAL;
+ scan_abort = true;
+ goto scan_done_out;
+ }
+ cfg_priv->scan_results->buflen = le32_to_cpu(bss_list_le->buflen);
+ cfg_priv->scan_results->version = le32_to_cpu(bss_list_le->version);
+ cfg_priv->scan_results->count = le32_to_cpu(bss_list_le->count);
+
+ err = brcmf_inform_bss(cfg_priv);
+ if (err) {
+ scan_abort = true;
+ goto scan_done_out;
+ }
+
+scan_done_out:
+ if (cfg_priv->scan_request) {
+ WL_SCAN("calling cfg80211_scan_done\n");
+ cfg80211_scan_done(cfg_priv->scan_request, scan_abort);
+ brcmf_set_mpc(ndev, 1);
+ cfg_priv->scan_request = NULL;
+ }
+
+ WL_TRACE("Exit\n");
+
+ return err;
+}
+
+static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf)
+{
+ conf->mode = (u32)-1;
+ conf->frag_threshold = (u32)-1;
+ conf->rts_threshold = (u32)-1;
+ conf->retry_short = (u32)-1;
+ conf->retry_long = (u32)-1;
+ conf->tx_power = -1;
+}
+
+static void brcmf_init_eloop_handler(struct brcmf_cfg80211_event_loop *el)
+{
+ memset(el, 0, sizeof(*el));
+ el->handler[BRCMF_E_SCAN_COMPLETE] = brcmf_notify_scan_status;
+ el->handler[BRCMF_E_LINK] = brcmf_notify_connect_status;
+ el->handler[BRCMF_E_ROAM] = brcmf_notify_roaming_status;
+ el->handler[BRCMF_E_MIC_ERROR] = brcmf_notify_mic_status;
+ el->handler[BRCMF_E_SET_SSID] = brcmf_notify_connect_status;
+}
+
+static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ kfree(cfg_priv->scan_results);
+ cfg_priv->scan_results = NULL;
+ kfree(cfg_priv->bss_info);
+ cfg_priv->bss_info = NULL;
+ kfree(cfg_priv->conf);
+ cfg_priv->conf = NULL;
+ kfree(cfg_priv->profile);
+ cfg_priv->profile = NULL;
+ kfree(cfg_priv->scan_req_int);
+ cfg_priv->scan_req_int = NULL;
+ kfree(cfg_priv->dcmd_buf);
+ cfg_priv->dcmd_buf = NULL;
+ kfree(cfg_priv->extra_buf);
+ cfg_priv->extra_buf = NULL;
+ kfree(cfg_priv->iscan);
+ cfg_priv->iscan = NULL;
+ kfree(cfg_priv->pmk_list);
+ cfg_priv->pmk_list = NULL;
+}
+
+static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ cfg_priv->scan_results = kzalloc(WL_SCAN_BUF_MAX, GFP_KERNEL);
+ if (!cfg_priv->scan_results)
+ goto init_priv_mem_out;
+ cfg_priv->conf = kzalloc(sizeof(*cfg_priv->conf), GFP_KERNEL);
+ if (!cfg_priv->conf)
+ goto init_priv_mem_out;
+ cfg_priv->profile = kzalloc(sizeof(*cfg_priv->profile), GFP_KERNEL);
+ if (!cfg_priv->profile)
+ goto init_priv_mem_out;
+ cfg_priv->bss_info = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL);
+ if (!cfg_priv->bss_info)
+ goto init_priv_mem_out;
+ cfg_priv->scan_req_int = kzalloc(sizeof(*cfg_priv->scan_req_int),
+ GFP_KERNEL);
+ if (!cfg_priv->scan_req_int)
+ goto init_priv_mem_out;
+ cfg_priv->dcmd_buf = kzalloc(WL_DCMD_LEN_MAX, GFP_KERNEL);
+ if (!cfg_priv->dcmd_buf)
+ goto init_priv_mem_out;
+ cfg_priv->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL);
+ if (!cfg_priv->extra_buf)
+ goto init_priv_mem_out;
+ cfg_priv->iscan = kzalloc(sizeof(*cfg_priv->iscan), GFP_KERNEL);
+ if (!cfg_priv->iscan)
+ goto init_priv_mem_out;
+ cfg_priv->pmk_list = kzalloc(sizeof(*cfg_priv->pmk_list), GFP_KERNEL);
+ if (!cfg_priv->pmk_list)
+ goto init_priv_mem_out;
+
+ return 0;
+
+init_priv_mem_out:
+ brcmf_deinit_priv_mem(cfg_priv);
+
+ return -ENOMEM;
+}
+
+/*
+* retrieve first queued event from head
+*/
+
+static struct brcmf_cfg80211_event_q *brcmf_deq_event(
+ struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct brcmf_cfg80211_event_q *e = NULL;
+
+ spin_lock_irq(&cfg_priv->evt_q_lock);
+ if (!list_empty(&cfg_priv->evt_q_list)) {
+ e = list_first_entry(&cfg_priv->evt_q_list,
+ struct brcmf_cfg80211_event_q, evt_q_list);
+ list_del(&e->evt_q_list);
+ }
+ spin_unlock_irq(&cfg_priv->evt_q_lock);
+
+ return e;
+}
+
+/*
+** push event to tail of the queue
+*/
+
+static s32
+brcmf_enq_event(struct brcmf_cfg80211_priv *cfg_priv, u32 event,
+ const struct brcmf_event_msg *msg)
+{
+ struct brcmf_cfg80211_event_q *e;
+ s32 err = 0;
+
+ e = kzalloc(sizeof(struct brcmf_cfg80211_event_q), GFP_KERNEL);
+ if (!e)
+ return -ENOMEM;
+
+ e->etype = event;
+ memcpy(&e->emsg, msg, sizeof(struct brcmf_event_msg));
+
+ spin_lock_irq(&cfg_priv->evt_q_lock);
+ list_add_tail(&e->evt_q_list, &cfg_priv->evt_q_list);
+ spin_unlock_irq(&cfg_priv->evt_q_lock);
+
+ return err;
+}
+
+static void brcmf_put_event(struct brcmf_cfg80211_event_q *e)
+{
+ kfree(e);
+}
+
+static void brcmf_cfg80211_event_handler(struct work_struct *work)
+{
+ struct brcmf_cfg80211_priv *cfg_priv =
+ container_of(work, struct brcmf_cfg80211_priv,
+ event_work);
+ struct brcmf_cfg80211_event_q *e;
+
+ e = brcmf_deq_event(cfg_priv);
+ if (unlikely(!e)) {
+ WL_ERR("event queue empty...\n");
+ return;
+ }
+
+ do {
+ WL_INFO("event type (%d)\n", e->etype);
+ if (cfg_priv->el.handler[e->etype])
+ cfg_priv->el.handler[e->etype](cfg_priv,
+ cfg_to_ndev(cfg_priv),
+ &e->emsg, e->edata);
+ else
+ WL_INFO("Unknown Event (%d): ignoring\n", e->etype);
+ brcmf_put_event(e);
+ } while ((e = brcmf_deq_event(cfg_priv)));
+
+}
+
+static void brcmf_init_eq(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ spin_lock_init(&cfg_priv->evt_q_lock);
+ INIT_LIST_HEAD(&cfg_priv->evt_q_list);
+}
+
+static void brcmf_flush_eq(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct brcmf_cfg80211_event_q *e;
+
+ spin_lock_irq(&cfg_priv->evt_q_lock);
+ while (!list_empty(&cfg_priv->evt_q_list)) {
+ e = list_first_entry(&cfg_priv->evt_q_list,
+ struct brcmf_cfg80211_event_q, evt_q_list);
+ list_del(&e->evt_q_list);
+ kfree(e);
+ }
+ spin_unlock_irq(&cfg_priv->evt_q_lock);
+}
+
+static s32 wl_init_priv(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ s32 err = 0;
+
+ cfg_priv->scan_request = NULL;
+ cfg_priv->pwr_save = true;
+ cfg_priv->iscan_on = true; /* iscan on & off switch.
+ we enable iscan per default */
+ cfg_priv->roam_on = true; /* roam on & off switch.
+ we enable roam per default */
+
+ cfg_priv->iscan_kickstart = false;
+ cfg_priv->active_scan = true; /* we do active scan for
+ specific scan per default */
+ cfg_priv->dongle_up = false; /* dongle is not up yet */
+ brcmf_init_eq(cfg_priv);
+ err = brcmf_init_priv_mem(cfg_priv);
+ if (err)
+ return err;
+ INIT_WORK(&cfg_priv->event_work, brcmf_cfg80211_event_handler);
+ brcmf_init_eloop_handler(&cfg_priv->el);
+ mutex_init(&cfg_priv->usr_sync);
+ err = brcmf_init_iscan(cfg_priv);
+ if (err)
+ return err;
+ brcmf_init_conf(cfg_priv->conf);
+ brcmf_init_prof(cfg_priv->profile);
+ brcmf_link_down(cfg_priv);
+
+ return err;
+}
+
+static void wl_deinit_priv(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ cancel_work_sync(&cfg_priv->event_work);
+ cfg_priv->dongle_up = false; /* dongle down */
+ brcmf_flush_eq(cfg_priv);
+ brcmf_link_down(cfg_priv);
+ brcmf_term_iscan(cfg_priv);
+ brcmf_deinit_priv_mem(cfg_priv);
+}
+
+struct brcmf_cfg80211_dev *brcmf_cfg80211_attach(struct net_device *ndev,
+ struct device *busdev,
+ void *data)
+{
+ struct wireless_dev *wdev;
+ struct brcmf_cfg80211_priv *cfg_priv;
+ struct brcmf_cfg80211_iface *ci;
+ struct brcmf_cfg80211_dev *cfg_dev;
+ s32 err = 0;
+
+ if (!ndev) {
+ WL_ERR("ndev is invalid\n");
+ return NULL;
+ }
+ cfg_dev = kzalloc(sizeof(struct brcmf_cfg80211_dev), GFP_KERNEL);
+ if (!cfg_dev)
+ return NULL;
+
+ wdev = brcmf_alloc_wdev(sizeof(struct brcmf_cfg80211_iface), busdev);
+ if (IS_ERR(wdev)) {
+ kfree(cfg_dev);
+ return NULL;
+ }
+
+ wdev->iftype = brcmf_mode_to_nl80211_iftype(WL_MODE_BSS);
+ cfg_priv = wdev_to_cfg(wdev);
+ cfg_priv->wdev = wdev;
+ cfg_priv->pub = data;
+ ci = (struct brcmf_cfg80211_iface *)&cfg_priv->ci;
+ ci->cfg_priv = cfg_priv;
+ ndev->ieee80211_ptr = wdev;
+ SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy));
+ wdev->netdev = ndev;
+ err = wl_init_priv(cfg_priv);
+ if (err) {
+ WL_ERR("Failed to init iwm_priv (%d)\n", err);
+ goto cfg80211_attach_out;
+ }
+ brcmf_set_drvdata(cfg_dev, ci);
+
+ return cfg_dev;
+
+cfg80211_attach_out:
+ brcmf_free_wdev(cfg_priv);
+ kfree(cfg_dev);
+ return NULL;
+}
+
+void brcmf_cfg80211_detach(struct brcmf_cfg80211_dev *cfg_dev)
+{
+ struct brcmf_cfg80211_priv *cfg_priv;
+
+ cfg_priv = brcmf_priv_get(cfg_dev);
+
+ wl_deinit_priv(cfg_priv);
+ brcmf_free_wdev(cfg_priv);
+ brcmf_set_drvdata(cfg_dev, NULL);
+ kfree(cfg_dev);
+}
+
+void
+brcmf_cfg80211_event(struct net_device *ndev,
+ const struct brcmf_event_msg *e, void *data)
+{
+ u32 event_type = be32_to_cpu(e->event_type);
+ struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev);
+
+ if (!brcmf_enq_event(cfg_priv, event_type, e))
+ schedule_work(&cfg_priv->event_work);
+}
+
+static s32 brcmf_dongle_mode(struct net_device *ndev, s32 iftype)
+{
+ s32 infra = 0;
+ s32 err = 0;
+
+ switch (iftype) {
+ case NL80211_IFTYPE_MONITOR:
+ case NL80211_IFTYPE_WDS:
+ WL_ERR("type (%d) : currently we do not support this mode\n",
+ iftype);
+ err = -EINVAL;
+ return err;
+ case NL80211_IFTYPE_ADHOC:
+ infra = 0;
+ break;
+ case NL80211_IFTYPE_STATION:
+ infra = 1;
+ break;
+ default:
+ err = -EINVAL;
+ WL_ERR("invalid type (%d)\n", iftype);
+ return err;
+ }
+ err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra);
+ if (err) {
+ WL_ERR("WLC_SET_INFRA error (%d)\n", err);
+ return err;
+ }
+
+ return 0;
+}
+
+static s32 brcmf_dongle_eventmsg(struct net_device *ndev)
+{
+ /* Room for "event_msgs" + '\0' + bitvec */
+ s8 iovbuf[BRCMF_EVENTING_MASK_LEN + 12];
+ s8 eventmask[BRCMF_EVENTING_MASK_LEN];
+ s32 err = 0;
+
+ WL_TRACE("Enter\n");
+
+ /* Setup event_msgs */
+ brcmu_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN, iovbuf,
+ sizeof(iovbuf));
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, iovbuf, sizeof(iovbuf));
+ if (err) {
+ WL_ERR("Get event_msgs error (%d)\n", err);
+ goto dongle_eventmsg_out;
+ }
+ memcpy(eventmask, iovbuf, BRCMF_EVENTING_MASK_LEN);
+
+ setbit(eventmask, BRCMF_E_SET_SSID);
+ setbit(eventmask, BRCMF_E_ROAM);
+ setbit(eventmask, BRCMF_E_PRUNE);
+ setbit(eventmask, BRCMF_E_AUTH);
+ setbit(eventmask, BRCMF_E_REASSOC);
+ setbit(eventmask, BRCMF_E_REASSOC_IND);
+ setbit(eventmask, BRCMF_E_DEAUTH_IND);
+ setbit(eventmask, BRCMF_E_DISASSOC_IND);
+ setbit(eventmask, BRCMF_E_DISASSOC);
+ setbit(eventmask, BRCMF_E_JOIN);
+ setbit(eventmask, BRCMF_E_ASSOC_IND);
+ setbit(eventmask, BRCMF_E_PSK_SUP);
+ setbit(eventmask, BRCMF_E_LINK);
+ setbit(eventmask, BRCMF_E_NDIS_LINK);
+ setbit(eventmask, BRCMF_E_MIC_ERROR);
+ setbit(eventmask, BRCMF_E_PMKID_CACHE);
+ setbit(eventmask, BRCMF_E_TXFAIL);
+ setbit(eventmask, BRCMF_E_JOIN_START);
+ setbit(eventmask, BRCMF_E_SCAN_COMPLETE);
+
+ brcmu_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN, iovbuf,
+ sizeof(iovbuf));
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf));
+ if (err) {
+ WL_ERR("Set event_msgs error (%d)\n", err);
+ goto dongle_eventmsg_out;
+ }
+
+dongle_eventmsg_out:
+ WL_TRACE("Exit\n");
+ return err;
+}
+
+static s32
+brcmf_dongle_roam(struct net_device *ndev, u32 roamvar, u32 bcn_timeout)
+{
+ s8 iovbuf[32];
+ s32 roamtrigger[2];
+ s32 roam_delta[2];
+ s32 err = 0;
+
+ /*
+ * Setup timeout if Beacons are lost and roam is
+ * off to report link down
+ */
+ if (roamvar) {
+ brcmu_mkiovar("bcn_timeout", (char *)&bcn_timeout,
+ sizeof(bcn_timeout), iovbuf, sizeof(iovbuf));
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR,
+ iovbuf, sizeof(iovbuf));
+ if (err) {
+ WL_ERR("bcn_timeout error (%d)\n", err);
+ goto dongle_rom_out;
+ }
+ }
+
+ /*
+ * Enable/Disable built-in roaming to allow supplicant
+ * to take care of roaming
+ */
+ WL_INFO("Internal Roaming = %s\n", roamvar ? "Off" : "On");
+ brcmu_mkiovar("roam_off", (char *)&roamvar,
+ sizeof(roamvar), iovbuf, sizeof(iovbuf));
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf));
+ if (err) {
+ WL_ERR("roam_off error (%d)\n", err);
+ goto dongle_rom_out;
+ }
+
+ roamtrigger[0] = WL_ROAM_TRIGGER_LEVEL;
+ roamtrigger[1] = BRCM_BAND_ALL;
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_TRIGGER,
+ (void *)roamtrigger, sizeof(roamtrigger));
+ if (err) {
+ WL_ERR("WLC_SET_ROAM_TRIGGER error (%d)\n", err);
+ goto dongle_rom_out;
+ }
+
+ roam_delta[0] = WL_ROAM_DELTA;
+ roam_delta[1] = BRCM_BAND_ALL;
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_DELTA,
+ (void *)roam_delta, sizeof(roam_delta));
+ if (err) {
+ WL_ERR("WLC_SET_ROAM_DELTA error (%d)\n", err);
+ goto dongle_rom_out;
+ }
+
+dongle_rom_out:
+ return err;
+}
+
+static s32
+brcmf_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time,
+ s32 scan_unassoc_time, s32 scan_passive_time)
+{
+ s32 err = 0;
+
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_CHANNEL_TIME,
+ &scan_assoc_time, sizeof(scan_assoc_time));
+ if (err) {
+ if (err == -EOPNOTSUPP)
+ WL_INFO("Scan assoc time is not supported\n");
+ else
+ WL_ERR("Scan assoc time error (%d)\n", err);
+ goto dongle_scantime_out;
+ }
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_UNASSOC_TIME,
+ &scan_unassoc_time, sizeof(scan_unassoc_time));
+ if (err) {
+ if (err == -EOPNOTSUPP)
+ WL_INFO("Scan unassoc time is not supported\n");
+ else
+ WL_ERR("Scan unassoc time error (%d)\n", err);
+ goto dongle_scantime_out;
+ }
+
+ err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_PASSIVE_TIME,
+ &scan_passive_time, sizeof(scan_passive_time));
+ if (err) {
+ if (err == -EOPNOTSUPP)
+ WL_INFO("Scan passive time is not supported\n");
+ else
+ WL_ERR("Scan passive time error (%d)\n", err);
+ goto dongle_scantime_out;
+ }
+
+dongle_scantime_out:
+ return err;
+}
+
+static s32 wl_update_wiphybands(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct wiphy *wiphy;
+ s32 phy_list;
+ s8 phy;
+ s32 err = 0;
+
+ err = brcmf_exec_dcmd(cfg_to_ndev(cfg_priv), BRCM_GET_PHYLIST,
+ &phy_list, sizeof(phy_list));
+ if (err) {
+ WL_ERR("error (%d)\n", err);
+ return err;
+ }
+
+ phy = ((char *)&phy_list)[1];
+ WL_INFO("%c phy\n", phy);
+ if (phy == 'n' || phy == 'a') {
+ wiphy = cfg_to_wiphy(cfg_priv);
+ wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_n;
+ }
+
+ return err;
+}
+
+static s32 brcmf_dongle_probecap(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ return wl_update_wiphybands(cfg_priv);
+}
+
+static s32 brcmf_config_dongle(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ struct net_device *ndev;
+ struct wireless_dev *wdev;
+ s32 power_mode;
+ s32 err = 0;
+
+ if (cfg_priv->dongle_up)
+ return err;
+
+ ndev = cfg_to_ndev(cfg_priv);
+ wdev = ndev->ieee80211_ptr;
+
+ brcmf_dongle_scantime(ndev, WL_SCAN_CHANNEL_TIME,
+ WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME);
+
+ err = brcmf_dongle_eventmsg(ndev);
+ if (err)
+ goto default_conf_out;
+
+ power_mode = cfg_priv->pwr_save ? PM_FAST : PM_OFF;
+ err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &power_mode);
+ if (err)
+ goto default_conf_out;
+ WL_INFO("power save set to %s\n",
+ (power_mode ? "enabled" : "disabled"));
+
+ err = brcmf_dongle_roam(ndev, (cfg_priv->roam_on ? 0 : 1),
+ WL_BEACON_TIMEOUT);
+ if (err)
+ goto default_conf_out;
+ err = brcmf_dongle_mode(ndev, wdev->iftype);
+ if (err && err != -EINPROGRESS)
+ goto default_conf_out;
+ err = brcmf_dongle_probecap(cfg_priv);
+ if (err)
+ goto default_conf_out;
+
+ /* -EINPROGRESS: Call commit handler */
+
+default_conf_out:
+
+ cfg_priv->dongle_up = true;
+
+ return err;
+
+}
+
+static int brcmf_debugfs_add_netdev_params(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ char buf[10+IFNAMSIZ];
+ struct dentry *fd;
+ s32 err = 0;
+
+ sprintf(buf, "netdev:%s", cfg_to_ndev(cfg_priv)->name);
+ cfg_priv->debugfsdir = debugfs_create_dir(buf,
+ cfg_to_wiphy(cfg_priv)->debugfsdir);
+
+ fd = debugfs_create_u16("beacon_int", S_IRUGO, cfg_priv->debugfsdir,
+ (u16 *)&cfg_priv->profile->beacon_interval);
+ if (!fd) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+ fd = debugfs_create_u8("dtim_period", S_IRUGO, cfg_priv->debugfsdir,
+ (u8 *)&cfg_priv->profile->dtim_period);
+ if (!fd) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+err_out:
+ return err;
+}
+
+static void brcmf_debugfs_remove_netdev(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ debugfs_remove_recursive(cfg_priv->debugfsdir);
+ cfg_priv->debugfsdir = NULL;
+}
+
+static s32 __brcmf_cfg80211_up(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ s32 err = 0;
+
+ set_bit(WL_STATUS_READY, &cfg_priv->status);
+
+ brcmf_debugfs_add_netdev_params(cfg_priv);
+
+ err = brcmf_config_dongle(cfg_priv);
+ if (err)
+ return err;
+
+ brcmf_invoke_iscan(cfg_priv);
+
+ return err;
+}
+
+static s32 __brcmf_cfg80211_down(struct brcmf_cfg80211_priv *cfg_priv)
+{
+ /*
+ * While going down, if associated with AP disassociate
+ * from AP to save power
+ */
+ if ((test_bit(WL_STATUS_CONNECTED, &cfg_priv->status) ||
+ test_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) &&
+ test_bit(WL_STATUS_READY, &cfg_priv->status)) {
+ WL_INFO("Disassociating from AP");
+ brcmf_link_down(cfg_priv);
+
+ /* Make sure WPA_Supplicant receives all the event
+ generated due to DISASSOC call to the fw to keep
+ the state fw and WPA_Supplicant state consistent
+ */
+ brcmf_delay(500);
+ }
+
+ set_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status);
+ brcmf_term_iscan(cfg_priv);
+ if (cfg_priv->scan_request) {
+ cfg80211_scan_done(cfg_priv->scan_request, true);
+ /* May need to perform this to cover rmmod */
+ /* wl_set_mpc(cfg_to_ndev(wl), 1); */
+ cfg_priv->scan_request = NULL;
+ }
+ clear_bit(WL_STATUS_READY, &cfg_priv->status);
+ clear_bit(WL_STATUS_SCANNING, &cfg_priv->status);
+ clear_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status);
+
+ brcmf_debugfs_remove_netdev(cfg_priv);
+
+ return 0;
+}
+
+s32 brcmf_cfg80211_up(struct brcmf_cfg80211_dev *cfg_dev)
+{
+ struct brcmf_cfg80211_priv *cfg_priv;
+ s32 err = 0;
+
+ cfg_priv = brcmf_priv_get(cfg_dev);
+ mutex_lock(&cfg_priv->usr_sync);
+ err = __brcmf_cfg80211_up(cfg_priv);
+ mutex_unlock(&cfg_priv->usr_sync);
+
+ return err;
+}
+
+s32 brcmf_cfg80211_down(struct brcmf_cfg80211_dev *cfg_dev)
+{
+ struct brcmf_cfg80211_priv *cfg_priv;
+ s32 err = 0;
+
+ cfg_priv = brcmf_priv_get(cfg_dev);
+ mutex_lock(&cfg_priv->usr_sync);
+ err = __brcmf_cfg80211_down(cfg_priv);
+ mutex_unlock(&cfg_priv->usr_sync);
+
+ return err;
+}
+
+static __used s32 brcmf_add_ie(struct brcmf_cfg80211_priv *cfg_priv,
+ u8 t, u8 l, u8 *v)
+{
+ struct brcmf_cfg80211_ie *ie = &cfg_priv->ie;
+ s32 err = 0;
+
+ if (ie->offset + l + 2 > WL_TLV_INFO_MAX) {
+ WL_ERR("ei crosses buffer boundary\n");
+ return -ENOSPC;
+ }
+ ie->buf[ie->offset] = t;
+ ie->buf[ie->offset + 1] = l;
+ memcpy(&ie->buf[ie->offset + 2], v, l);
+ ie->offset += l + 2;
+
+ return err;
+}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h
new file mode 100644
index 000000000000..e69f4f6bf946
--- /dev/null
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h
@@ -0,0 +1,375 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _wl_cfg80211_h_
+#define _wl_cfg80211_h_
+
+struct brcmf_cfg80211_conf;
+struct brcmf_cfg80211_iface;
+struct brcmf_cfg80211_priv;
+struct brcmf_cfg80211_security;
+struct brcmf_cfg80211_ibss;
+
+#define WL_DBG_NONE 0
+#define WL_DBG_CONN (1 << 5)
+#define WL_DBG_SCAN (1 << 4)
+#define WL_DBG_TRACE (1 << 3)
+#define WL_DBG_INFO (1 << 1)
+#define WL_DBG_ERR (1 << 0)
+#define WL_DBG_MASK ((WL_DBG_INFO | WL_DBG_ERR | WL_DBG_TRACE) | \
+ (WL_DBG_SCAN) | (WL_DBG_CONN))
+
+#define WL_ERR(fmt, args...) \
+do { \
+ if (brcmf_dbg_level & WL_DBG_ERR) { \
+ if (net_ratelimit()) { \
+ printk(KERN_ERR "ERROR @%s : " fmt, \
+ __func__, ##args); \
+ } \
+ } \
+} while (0)
+
+#if (defined BCMDBG)
+#define WL_INFO(fmt, args...) \
+do { \
+ if (brcmf_dbg_level & WL_DBG_INFO) { \
+ if (net_ratelimit()) { \
+ printk(KERN_ERR "INFO @%s : " fmt, \
+ __func__, ##args); \
+ } \
+ } \
+} while (0)
+
+#define WL_TRACE(fmt, args...) \
+do { \
+ if (brcmf_dbg_level & WL_DBG_TRACE) { \
+ if (net_ratelimit()) { \
+ printk(KERN_ERR "TRACE @%s : " fmt, \
+ __func__, ##args); \
+ } \
+ } \
+} while (0)
+
+#define WL_SCAN(fmt, args...) \
+do { \
+ if (brcmf_dbg_level & WL_DBG_SCAN) { \
+ if (net_ratelimit()) { \
+ printk(KERN_ERR "SCAN @%s : " fmt, \
+ __func__, ##args); \
+ } \
+ } \
+} while (0)
+
+#define WL_CONN(fmt, args...) \
+do { \
+ if (brcmf_dbg_level & WL_DBG_CONN) { \
+ if (net_ratelimit()) { \
+ printk(KERN_ERR "CONN @%s : " fmt, \
+ __func__, ##args); \
+ } \
+ } \
+} while (0)
+
+#else /* (defined BCMDBG) */
+#define WL_INFO(fmt, args...)
+#define WL_TRACE(fmt, args...)
+#define WL_SCAN(fmt, args...)
+#define WL_CONN(fmt, args...)
+#endif /* (defined BCMDBG) */
+
+#define WL_NUM_SCAN_MAX 1
+#define WL_NUM_PMKIDS_MAX MAXPMKID /* will be used
+ * for 2.6.33 kernel
+ * or later
+ */
+#define WL_SCAN_BUF_MAX (1024 * 8)
+#define WL_TLV_INFO_MAX 1024
+#define WL_BSS_INFO_MAX 2048
+#define WL_ASSOC_INFO_MAX 512 /*
+ * needs to grab assoc info from dongle to
+ * report it to cfg80211 through "connect"
+ * event
+ */
+#define WL_DCMD_LEN_MAX 1024
+#define WL_EXTRA_BUF_MAX 2048
+#define WL_ISCAN_BUF_MAX 2048 /*
+ * the buf length can be BRCMF_DCMD_MAXLEN
+ * to reduce iteration
+ */
+#define WL_ISCAN_TIMER_INTERVAL_MS 3000
+#define WL_SCAN_ERSULTS_LAST (BRCMF_SCAN_RESULTS_NO_MEM+1)
+#define WL_AP_MAX 256 /* virtually unlimitted as long
+ * as kernel memory allows
+ */
+
+#define WL_ROAM_TRIGGER_LEVEL -75
+#define WL_ROAM_DELTA 20
+#define WL_BEACON_TIMEOUT 3
+
+#define WL_SCAN_CHANNEL_TIME 40
+#define WL_SCAN_UNASSOC_TIME 40
+#define WL_SCAN_PASSIVE_TIME 120
+
+/* dongle status */
+enum wl_status {
+ WL_STATUS_READY,
+ WL_STATUS_SCANNING,
+ WL_STATUS_SCAN_ABORTING,
+ WL_STATUS_CONNECTING,
+ WL_STATUS_CONNECTED
+};
+
+/* wi-fi mode */
+enum wl_mode {
+ WL_MODE_BSS,
+ WL_MODE_IBSS,
+ WL_MODE_AP
+};
+
+/* dongle profile list */
+enum wl_prof_list {
+ WL_PROF_MODE,
+ WL_PROF_SSID,
+ WL_PROF_SEC,
+ WL_PROF_IBSS,
+ WL_PROF_BAND,
+ WL_PROF_BSSID,
+ WL_PROF_ACT,
+ WL_PROF_BEACONINT,
+ WL_PROF_DTIMPERIOD
+};
+
+/* dongle iscan state */
+enum wl_iscan_state {
+ WL_ISCAN_STATE_IDLE,
+ WL_ISCAN_STATE_SCANING
+};
+
+/* dongle configuration */
+struct brcmf_cfg80211_conf {
+ u32 mode; /* adhoc , infrastructure or ap */
+ u32 frag_threshold;
+ u32 rts_threshold;
+ u32 retry_short;
+ u32 retry_long;
+ s32 tx_power;
+ struct ieee80211_channel channel;
+};
+
+/* cfg80211 main event loop */
+struct brcmf_cfg80211_event_loop {
+ s32(*handler[BRCMF_E_LAST]) (struct brcmf_cfg80211_priv *cfg_priv,
+ struct net_device *ndev,
+ const struct brcmf_event_msg *e,
+ void *data);
+};
+
+/* representing interface of cfg80211 plane */
+struct brcmf_cfg80211_iface {
+ struct brcmf_cfg80211_priv *cfg_priv;
+};
+
+struct brcmf_cfg80211_dev {
+ void *driver_data; /* to store cfg80211 object information */
+};
+
+/* basic structure of scan request */
+struct brcmf_cfg80211_scan_req {
+ struct brcmf_ssid_le ssid_le;
+};
+
+/* basic structure of information element */
+struct brcmf_cfg80211_ie {
+ u16 offset;
+ u8 buf[WL_TLV_INFO_MAX];
+};
+
+/* event queue for cfg80211 main event */
+struct brcmf_cfg80211_event_q {
+ struct list_head evt_q_list;
+ u32 etype;
+ struct brcmf_event_msg emsg;
+ s8 edata[1];
+};
+
+/* security information with currently associated ap */
+struct brcmf_cfg80211_security {
+ u32 wpa_versions;
+ u32 auth_type;
+ u32 cipher_pairwise;
+ u32 cipher_group;
+ u32 wpa_auth;
+};
+
+/* ibss information for currently joined ibss network */
+struct brcmf_cfg80211_ibss {
+ u8 beacon_interval; /* in millisecond */
+ u8 atim; /* in millisecond */
+ s8 join_only;
+ u8 band;
+ u8 channel;
+};
+
+/* dongle profile */
+struct brcmf_cfg80211_profile {
+ u32 mode;
+ struct brcmf_ssid ssid;
+ u8 bssid[ETH_ALEN];
+ u16 beacon_interval;
+ u8 dtim_period;
+ struct brcmf_cfg80211_security sec;
+ struct brcmf_cfg80211_ibss ibss;
+ s32 band;
+};
+
+/* dongle iscan event loop */
+struct brcmf_cfg80211_iscan_eloop {
+ s32 (*handler[WL_SCAN_ERSULTS_LAST])
+ (struct brcmf_cfg80211_priv *cfg_priv);
+};
+
+/* dongle iscan controller */
+struct brcmf_cfg80211_iscan_ctrl {
+ struct net_device *ndev;
+ struct timer_list timer;
+ u32 timer_ms;
+ u32 timer_on;
+ s32 state;
+ struct work_struct work;
+ struct brcmf_cfg80211_iscan_eloop el;
+ void *data;
+ s8 dcmd_buf[BRCMF_DCMD_SMLEN];
+ s8 scan_buf[WL_ISCAN_BUF_MAX];
+};
+
+/* association inform */
+struct brcmf_cfg80211_connect_info {
+ u8 *req_ie;
+ s32 req_ie_len;
+ u8 *resp_ie;
+ s32 resp_ie_len;
+};
+
+/* assoc ie length */
+struct brcmf_cfg80211_assoc_ielen {
+ u32 req_len;
+ u32 resp_len;
+};
+
+/* wpa2 pmk list */
+struct brcmf_cfg80211_pmk_list {
+ struct pmkid_list pmkids;
+ struct pmkid foo[MAXPMKID - 1];
+};
+
+/* dongle private data of cfg80211 interface */
+struct brcmf_cfg80211_priv {
+ struct wireless_dev *wdev; /* representing wl cfg80211 device */
+ struct brcmf_cfg80211_conf *conf; /* dongle configuration */
+ struct cfg80211_scan_request *scan_request; /* scan request
+ object */
+ struct brcmf_cfg80211_event_loop el; /* main event loop */
+ struct list_head evt_q_list; /* used for event queue */
+ spinlock_t evt_q_lock; /* for event queue synchronization */
+ struct mutex usr_sync; /* maily for dongle up/down synchronization */
+ struct brcmf_scan_results *bss_list; /* bss_list holding scanned
+ ap information */
+ struct brcmf_scan_results *scan_results;
+ struct brcmf_cfg80211_scan_req *scan_req_int; /* scan request object
+ for internal purpose */
+ struct wl_cfg80211_bss_info *bss_info; /* bss information for
+ cfg80211 layer */
+ struct brcmf_cfg80211_ie ie; /* information element object for
+ internal purpose */
+ struct brcmf_cfg80211_profile *profile; /* holding dongle profile */
+ struct brcmf_cfg80211_iscan_ctrl *iscan; /* iscan controller */
+ struct brcmf_cfg80211_connect_info conn_info; /* association info */
+ struct brcmf_cfg80211_pmk_list *pmk_list; /* wpa2 pmk list */
+ struct work_struct event_work; /* event handler work struct */
+ unsigned long status; /* current dongle status */
+ void *pub;
+ u32 channel; /* current channel */
+ bool iscan_on; /* iscan on/off switch */
+ bool iscan_kickstart; /* indicate iscan already started */
+ bool active_scan; /* current scan mode */
+ bool ibss_starter; /* indicates this sta is ibss starter */
+ bool link_up; /* link/connection up flag */
+ bool pwr_save; /* indicate whether dongle to support
+ power save mode */
+ bool dongle_up; /* indicate whether dongle up or not */
+ bool roam_on; /* on/off switch for dongle self-roaming */
+ bool scan_tried; /* indicates if first scan attempted */
+ u8 *dcmd_buf; /* dcmd buffer */
+ u8 *extra_buf; /* maily to grab assoc information */
+ struct dentry *debugfsdir;
+ u8 ci[0] __aligned(NETDEV_ALIGN);
+};
+
+static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_priv *w)
+{
+ return w->wdev->wiphy;
+}
+
+static inline struct brcmf_cfg80211_priv *wiphy_to_cfg(struct wiphy *w)
+{
+ return (struct brcmf_cfg80211_priv *)(wiphy_priv(w));
+}
+
+static inline struct brcmf_cfg80211_priv *wdev_to_cfg(struct wireless_dev *wd)
+{
+ return (struct brcmf_cfg80211_priv *)(wdev_priv(wd));
+}
+
+static inline struct net_device *cfg_to_ndev(struct brcmf_cfg80211_priv *cfg)
+{
+ return cfg->wdev->netdev;
+}
+
+static inline struct brcmf_cfg80211_priv *ndev_to_cfg(struct net_device *ndev)
+{
+ return wdev_to_cfg(ndev->ieee80211_ptr);
+}
+
+#define iscan_to_cfg(i) ((struct brcmf_cfg80211_priv *)(i->data))
+#define cfg_to_iscan(w) (w->iscan)
+
+static inline struct
+brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_priv *cfg)
+{
+ return &cfg->conn_info;
+}
+
+static inline struct brcmf_bss_info *next_bss(struct brcmf_scan_results *list,
+ struct brcmf_bss_info *bss)
+{
+ return bss = bss ?
+ (struct brcmf_bss_info *)((unsigned long)bss +
+ le32_to_cpu(bss->length)) :
+ list->bss_info;
+}
+
+extern struct brcmf_cfg80211_dev *brcmf_cfg80211_attach(struct net_device *ndev,
+ struct device *busdev,
+ void *data);
+extern void brcmf_cfg80211_detach(struct brcmf_cfg80211_dev *cfg);
+
+/* event handler from dongle */
+extern void brcmf_cfg80211_event(struct net_device *ndev,
+ const struct brcmf_event_msg *e, void *data);
+extern s32 brcmf_cfg80211_up(struct brcmf_cfg80211_dev *cfg_dev);
+extern s32 brcmf_cfg80211_down(struct brcmf_cfg80211_dev *cfg_dev);
+
+#endif /* _wl_cfg80211_h_ */