/* * QEMU e1000(e) emulation - shared code * * Copyright (c) 2008 Qumranet * * Based on work done by: * Nir Peleg, Tutis Systems Ltd. for Qumranet Inc. * Copyright (c) 2007 Dan Aloni * Copyright (c) 2004 Antony T Curtis * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see . */ #include "e1000_regs.h" #define defreg(x) x = (E1000_##x >> 2) enum { defreg(CTRL), defreg(EECD), defreg(EERD), defreg(GPRC), defreg(GPTC), defreg(ICR), defreg(ICS), defreg(IMC), defreg(IMS), defreg(LEDCTL), defreg(MANC), defreg(MDIC), defreg(MPC), defreg(PBA), defreg(RCTL), defreg(RDBAH0), defreg(RDBAL0), defreg(RDH0), defreg(RDLEN0), defreg(RDT0), defreg(STATUS), defreg(SWSM), defreg(TCTL), defreg(TDBAH), defreg(TDBAL), defreg(TDH), defreg(TDLEN), defreg(TDT), defreg(TDLEN1), defreg(TDBAL1), defreg(TDBAH1), defreg(TDH1), defreg(TDT1), defreg(TORH), defreg(TORL), defreg(TOTH), defreg(TOTL), defreg(TPR), defreg(TPT), defreg(TXDCTL), defreg(WUFC), defreg(RA), defreg(MTA), defreg(CRCERRS), defreg(VFTA), defreg(VET), defreg(RDTR), defreg(RADV), defreg(TADV), defreg(ITR), defreg(SCC), defreg(ECOL), defreg(MCC), defreg(LATECOL), defreg(COLC), defreg(DC), defreg(TNCRS), defreg(SEQEC), defreg(CEXTERR), defreg(RLEC), defreg(XONRXC), defreg(XONTXC), defreg(XOFFRXC), defreg(XOFFTXC), defreg(FCRUC), defreg(AIT), defreg(TDFH), defreg(TDFT), defreg(TDFHS), defreg(TDFTS), defreg(TDFPC), defreg(WUC), defreg(WUS), defreg(POEMB), defreg(PBS), defreg(RDFH), defreg(RDFT), defreg(RDFHS), defreg(RDFTS), defreg(RDFPC), defreg(PBM), defreg(IPAV), defreg(IP4AT), defreg(IP6AT), defreg(WUPM), defreg(FFLT), defreg(FFMT), defreg(FFVT), defreg(TARC0), defreg(TARC1), defreg(IAM), defreg(EXTCNF_CTRL), defreg(GCR), defreg(TIMINCA), defreg(EIAC), defreg(CTRL_EXT), defreg(IVAR), defreg(MFUTP01), defreg(MFUTP23), defreg(MANC2H), defreg(MFVAL), defreg(MDEF), defreg(FACTPS), defreg(FTFT), defreg(RUC), defreg(ROC), defreg(RFC), defreg(RJC), defreg(PRC64), defreg(PRC127), defreg(PRC255), defreg(PRC511), defreg(PRC1023), defreg(PRC1522), defreg(PTC64), defreg(PTC127), defreg(PTC255), defreg(PTC511), defreg(PTC1023), defreg(PTC1522), defreg(GORCL), defreg(GORCH), defreg(GOTCL), defreg(GOTCH), defreg(RNBC), defreg(BPRC), defreg(MPRC), defreg(RFCTL), defreg(PSRCTL), defreg(MPTC), defreg(BPTC), defreg(TSCTFC), defreg(IAC), defreg(MGTPRC), defreg(MGTPDC), defreg(MGTPTC), defreg(TSCTC), defreg(RXCSUM), defreg(FUNCTAG), defreg(GSCL_1), defreg(GSCL_2), defreg(GSCL_3), defreg(GSCL_4), defreg(GSCN_0), defreg(GSCN_1), defreg(GSCN_2), defreg(GSCN_3), defreg(GCR2), defreg(RAID), defreg(RSRPD), defreg(TIDV), defreg(EITR), defreg(MRQC), defreg(RETA), defreg(RSSRK), defreg(RDBAH1), defreg(RDBAL1), defreg(RDLEN1), defreg(RDH1), defreg(RDT1), defreg(PBACLR), defreg(FCAL), defreg(FCAH), defreg(FCT), defreg(FCRTH), defreg(FCRTL), defreg(FCTTV), defreg(FCRTV), defreg(FLA), defreg(EEWR), defreg(FLOP), defreg(FLOL), defreg(FLSWCTL), defreg(FLSWCNT), defreg(RXDCTL), defreg(RXDCTL1), defreg(MAVTV0), defreg(MAVTV1), defreg(MAVTV2), defreg(MAVTV3), defreg(TXSTMPL), defreg(TXSTMPH), defreg(SYSTIML), defreg(SYSTIMH), defreg(RXCFGL), defreg(RXUDP), defreg(TIMADJL), defreg(TIMADJH), defreg(RXSTMPH), defreg(RXSTMPL), defreg(RXSATRL), defreg(RXSATRH), defreg(FLASHT), defreg(TIPG), defreg(RDH), defreg(RDT), defreg(RDLEN), defreg(RDBAH), defreg(RDBAL), defreg(TXDCTL1), defreg(FLSWDATA), defreg(CTRL_DUP), defreg(EXTCNF_SIZE), defreg(EEMNGCTL), defreg(EEMNGDATA), defreg(FLMNGCTL), defreg(FLMNGDATA), defreg(FLMNGCNT), defreg(TSYNCRXCTL), defreg(TSYNCTXCTL), /* Aliases */ defreg(RDH0_A), defreg(RDT0_A), defreg(RDTR_A), defreg(RDFH_A), defreg(RDFT_A), defreg(TDH_A), defreg(TDT_A), defreg(TIDV_A), defreg(TDFH_A), defreg(TDFT_A), defreg(RA_A), defreg(RDBAL0_A), defreg(TDBAL_A), defreg(TDLEN_A), defreg(VFTA_A), defreg(RDLEN0_A), defreg(FCRTL_A), defreg(FCRTH_A) }; static inline void e1000x_inc_reg_if_not_full(uint32_t *mac, int index) { if (mac[index] != 0xffffffff) { mac[index]++; } } static inline void e1000x_grow_8reg_if_not_full(uint32_t *mac, int index, int size) { uint64_t sum = mac[index] | (uint64_t)mac[index + 1] << 32; if (sum + size < sum) { sum = ~0ULL; } else { sum += size; } mac[index] = sum; mac[index + 1] = sum >> 32; } static inline int e1000x_vlan_enabled(uint32_t *mac) { return ((mac[CTRL] & E1000_CTRL_VME) != 0); } static inline int e1000x_is_vlan_txd(uint32_t txd_lower) { return ((txd_lower & E1000_TXD_CMD_VLE) != 0); } static inline int e1000x_vlan_rx_filter_enabled(uint32_t *mac) { return ((mac[RCTL] & E1000_RCTL_VFE) != 0); } static inline int e1000x_fcs_len(uint32_t *mac) { /* FCS aka Ethernet CRC-32. We don't get it from backends and can't * fill it in, just pad descriptor length by 4 bytes unless guest * told us to strip it off the packet. */ return (mac[RCTL] & E1000_RCTL_SECRC) ? 0 : 4; } static inline void e1000x_update_regs_on_link_down(uint32_t *mac, uint16_t *phy) { mac[STATUS] &= ~E1000_STATUS_LU; phy[PHY_STATUS] &= ~MII_SR_LINK_STATUS; phy[PHY_STATUS] &= ~MII_SR_AUTONEG_COMPLETE; phy[PHY_LP_ABILITY] &= ~MII_LPAR_LPACK; } static inline void e1000x_update_regs_on_link_up(uint32_t *mac, uint16_t *phy) { mac[STATUS] |= E1000_STATUS_LU; phy[PHY_STATUS] |= MII_SR_LINK_STATUS; } void e1000x_update_rx_total_stats(uint32_t *mac, size_t data_size, size_t data_fcs_size); void e1000x_core_prepare_eeprom(uint16_t *eeprom, const uint16_t *templ, uint32_t templ_size, uint16_t dev_id, const uint8_t *macaddr); uint32_t e1000x_rxbufsize(uint32_t rctl); bool e1000x_rx_ready(PCIDevice *d, uint32_t *mac); bool e1000x_is_vlan_packet(const uint8_t *buf, uint16_t vet); bool e1000x_rx_group_filter(uint32_t *mac, const uint8_t *buf); bool e1000x_hw_rx_enabled(uint32_t *mac); bool e1000x_is_oversized(uint32_t *mac, size_t size); void e1000x_restart_autoneg(uint32_t *mac, uint16_t *phy, QEMUTimer *timer); void e1000x_reset_mac_addr(NICState *nic, uint32_t *mac_regs, uint8_t *mac_addr); void e1000x_update_regs_on_autoneg_done(uint32_t *mac, uint16_t *phy); void e1000x_increase_size_stats(uint32_t *mac, const int *size_regs, int size); typedef struct e1000x_txd_props { uint8_t ipcss; uint8_t ipcso; uint16_t ipcse; uint8_t tucss; uint8_t tucso; uint16_t tucse; uint32_t paylen; uint8_t hdr_len; uint16_t mss; int8_t ip; int8_t tcp; bool tse; } e1000x_txd_props; void e1000x_read_tx_ctx_descr(struct e1000_context_desc *d, e1000x_txd_props *props);