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path: root/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
index 7735328fff21..4053368eb743 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
@@ -19,6 +19,18 @@
#include "dhd_dbg.h"
+/* IDs of the 6 default common rings of msgbuf protocol */
+#define BRCMF_H2D_MSGRING_CONTROL_SUBMIT 0
+#define BRCMF_H2D_MSGRING_RXPOST_SUBMIT 1
+#define BRCMF_D2H_MSGRING_CONTROL_COMPLETE 2
+#define BRCMF_D2H_MSGRING_TX_COMPLETE 3
+#define BRCMF_D2H_MSGRING_RX_COMPLETE 4
+
+#define BRCMF_NROF_H2D_COMMON_MSGRINGS 2
+#define BRCMF_NROF_D2H_COMMON_MSGRINGS 3
+#define BRCMF_NROF_COMMON_MSGRINGS (BRCMF_NROF_H2D_COMMON_MSGRINGS + \
+ BRCMF_NROF_D2H_COMMON_MSGRINGS)
+
/* The level of bus communication with the dongle */
enum brcmf_bus_state {
BRCMF_BUS_UNKNOWN, /* Not determined yet */
@@ -70,6 +82,25 @@ struct brcmf_bus_ops {
struct pktq * (*gettxq)(struct device *dev);
};
+
+/**
+ * struct brcmf_bus_msgbuf - bus ringbuf if in case of msgbuf.
+ *
+ * @commonrings: commonrings which are always there.
+ * @flowrings: commonrings which are dynamically created and destroyed for data.
+ * @rx_dataoffset: if set then all rx data has this this offset.
+ * @max_rxbufpost: maximum number of buffers to post for rx.
+ * @nrof_flowrings: number of flowrings.
+ */
+struct brcmf_bus_msgbuf {
+ struct brcmf_commonring *commonrings[BRCMF_NROF_COMMON_MSGRINGS];
+ struct brcmf_commonring **flowrings;
+ u32 rx_dataoffset;
+ u32 max_rxbufpost;
+ u32 nrof_flowrings;
+};
+
+
/**
* struct brcmf_bus - interface structure between common and bus layer
*
@@ -101,6 +132,7 @@ struct brcmf_bus {
bool always_use_fws_queue;
struct brcmf_bus_ops *ops;
+ struct brcmf_bus_msgbuf *msgbuf;
};
/*