| /* |
| * 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 <http://www.gnu.org/licenses/>. |
| */ |
| |
| #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 { |
| unsigned char sum_needed; |
| 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; |
| bool cptse; |
| } e1000x_txd_props; |
| |
| void e1000x_read_tx_ctx_descr(struct e1000_context_desc *d, |
| e1000x_txd_props *props); |
