Dmitry Fleytman | 093454e | 2016-06-01 11:23:44 +0300 | [diff] [blame] | 1 | /* |
| 2 | * QEMU e1000(e) emulation - shared code |
| 3 | * |
| 4 | * Copyright (c) 2008 Qumranet |
| 5 | * |
| 6 | * Based on work done by: |
| 7 | * Nir Peleg, Tutis Systems Ltd. for Qumranet Inc. |
| 8 | * Copyright (c) 2007 Dan Aloni |
| 9 | * Copyright (c) 2004 Antony T Curtis |
| 10 | * |
| 11 | * This library is free software; you can redistribute it and/or |
| 12 | * modify it under the terms of the GNU Lesser General Public |
| 13 | * License as published by the Free Software Foundation; either |
Chetan Pant | 7cd2a9f | 2020-10-23 12:41:34 +0000 | [diff] [blame] | 14 | * version 2.1 of the License, or (at your option) any later version. |
Dmitry Fleytman | 093454e | 2016-06-01 11:23:44 +0300 | [diff] [blame] | 15 | * |
| 16 | * This library is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 19 | * Lesser General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU Lesser General Public |
| 22 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| 23 | */ |
| 24 | |
Markus Armbruster | f91005e | 2019-06-04 20:16:18 +0200 | [diff] [blame] | 25 | #ifndef HW_NET_E1000X_COMMON_H |
| 26 | #define HW_NET_E1000X_COMMON_H |
| 27 | |
Dmitry Fleytman | 093454e | 2016-06-01 11:23:44 +0300 | [diff] [blame] | 28 | #include "e1000_regs.h" |
| 29 | |
| 30 | #define defreg(x) x = (E1000_##x >> 2) |
| 31 | enum { |
| 32 | defreg(CTRL), defreg(EECD), defreg(EERD), defreg(GPRC), |
| 33 | defreg(GPTC), defreg(ICR), defreg(ICS), defreg(IMC), |
| 34 | defreg(IMS), defreg(LEDCTL), defreg(MANC), defreg(MDIC), |
| 35 | defreg(MPC), defreg(PBA), defreg(RCTL), defreg(RDBAH0), |
| 36 | defreg(RDBAL0), defreg(RDH0), defreg(RDLEN0), defreg(RDT0), |
| 37 | defreg(STATUS), defreg(SWSM), defreg(TCTL), defreg(TDBAH), |
| 38 | defreg(TDBAL), defreg(TDH), defreg(TDLEN), defreg(TDT), |
| 39 | defreg(TDLEN1), defreg(TDBAL1), defreg(TDBAH1), defreg(TDH1), |
| 40 | defreg(TDT1), defreg(TORH), defreg(TORL), defreg(TOTH), |
| 41 | defreg(TOTL), defreg(TPR), defreg(TPT), defreg(TXDCTL), |
| 42 | defreg(WUFC), defreg(RA), defreg(MTA), defreg(CRCERRS), |
| 43 | defreg(VFTA), defreg(VET), defreg(RDTR), defreg(RADV), |
| 44 | defreg(TADV), defreg(ITR), defreg(SCC), defreg(ECOL), |
| 45 | defreg(MCC), defreg(LATECOL), defreg(COLC), defreg(DC), |
Kamil Rytarowski | 757704f | 2017-09-03 18:37:26 +0200 | [diff] [blame] | 46 | defreg(TNCRS), defreg(SEQEC), defreg(CEXTERR), defreg(RLEC), |
Dmitry Fleytman | 093454e | 2016-06-01 11:23:44 +0300 | [diff] [blame] | 47 | defreg(XONRXC), defreg(XONTXC), defreg(XOFFRXC), defreg(XOFFTXC), |
| 48 | defreg(FCRUC), defreg(AIT), defreg(TDFH), defreg(TDFT), |
| 49 | defreg(TDFHS), defreg(TDFTS), defreg(TDFPC), defreg(WUC), |
| 50 | defreg(WUS), defreg(POEMB), defreg(PBS), defreg(RDFH), |
| 51 | defreg(RDFT), defreg(RDFHS), defreg(RDFTS), defreg(RDFPC), |
| 52 | defreg(PBM), defreg(IPAV), defreg(IP4AT), defreg(IP6AT), |
| 53 | defreg(WUPM), defreg(FFLT), defreg(FFMT), defreg(FFVT), |
| 54 | defreg(TARC0), defreg(TARC1), defreg(IAM), defreg(EXTCNF_CTRL), |
| 55 | defreg(GCR), defreg(TIMINCA), defreg(EIAC), defreg(CTRL_EXT), |
| 56 | defreg(IVAR), defreg(MFUTP01), defreg(MFUTP23), defreg(MANC2H), |
| 57 | defreg(MFVAL), defreg(MDEF), defreg(FACTPS), defreg(FTFT), |
| 58 | defreg(RUC), defreg(ROC), defreg(RFC), defreg(RJC), |
| 59 | defreg(PRC64), defreg(PRC127), defreg(PRC255), defreg(PRC511), |
| 60 | defreg(PRC1023), defreg(PRC1522), defreg(PTC64), defreg(PTC127), |
| 61 | defreg(PTC255), defreg(PTC511), defreg(PTC1023), defreg(PTC1522), |
| 62 | defreg(GORCL), defreg(GORCH), defreg(GOTCL), defreg(GOTCH), |
| 63 | defreg(RNBC), defreg(BPRC), defreg(MPRC), defreg(RFCTL), |
| 64 | defreg(PSRCTL), defreg(MPTC), defreg(BPTC), defreg(TSCTFC), |
| 65 | defreg(IAC), defreg(MGTPRC), defreg(MGTPDC), defreg(MGTPTC), |
| 66 | defreg(TSCTC), defreg(RXCSUM), defreg(FUNCTAG), defreg(GSCL_1), |
| 67 | defreg(GSCL_2), defreg(GSCL_3), defreg(GSCL_4), defreg(GSCN_0), |
| 68 | defreg(GSCN_1), defreg(GSCN_2), defreg(GSCN_3), defreg(GCR2), |
| 69 | defreg(RAID), defreg(RSRPD), defreg(TIDV), defreg(EITR), |
| 70 | defreg(MRQC), defreg(RETA), defreg(RSSRK), defreg(RDBAH1), |
| 71 | defreg(RDBAL1), defreg(RDLEN1), defreg(RDH1), defreg(RDT1), |
| 72 | defreg(PBACLR), defreg(FCAL), defreg(FCAH), defreg(FCT), |
| 73 | defreg(FCRTH), defreg(FCRTL), defreg(FCTTV), defreg(FCRTV), |
| 74 | defreg(FLA), defreg(EEWR), defreg(FLOP), defreg(FLOL), |
| 75 | defreg(FLSWCTL), defreg(FLSWCNT), defreg(RXDCTL), defreg(RXDCTL1), |
| 76 | defreg(MAVTV0), defreg(MAVTV1), defreg(MAVTV2), defreg(MAVTV3), |
| 77 | defreg(TXSTMPL), defreg(TXSTMPH), defreg(SYSTIML), defreg(SYSTIMH), |
| 78 | defreg(RXCFGL), defreg(RXUDP), defreg(TIMADJL), defreg(TIMADJH), |
| 79 | defreg(RXSTMPH), defreg(RXSTMPL), defreg(RXSATRL), defreg(RXSATRH), |
| 80 | defreg(FLASHT), defreg(TIPG), defreg(RDH), defreg(RDT), |
| 81 | defreg(RDLEN), defreg(RDBAH), defreg(RDBAL), |
| 82 | defreg(TXDCTL1), |
| 83 | defreg(FLSWDATA), |
| 84 | defreg(CTRL_DUP), |
| 85 | defreg(EXTCNF_SIZE), |
| 86 | defreg(EEMNGCTL), |
| 87 | defreg(EEMNGDATA), |
| 88 | defreg(FLMNGCTL), |
| 89 | defreg(FLMNGDATA), |
| 90 | defreg(FLMNGCNT), |
| 91 | defreg(TSYNCRXCTL), |
| 92 | defreg(TSYNCTXCTL), |
| 93 | |
| 94 | /* Aliases */ |
| 95 | defreg(RDH0_A), defreg(RDT0_A), defreg(RDTR_A), defreg(RDFH_A), |
| 96 | defreg(RDFT_A), defreg(TDH_A), defreg(TDT_A), defreg(TIDV_A), |
| 97 | defreg(TDFH_A), defreg(TDFT_A), defreg(RA_A), defreg(RDBAL0_A), |
| 98 | defreg(TDBAL_A), defreg(TDLEN_A), defreg(VFTA_A), defreg(RDLEN0_A), |
| 99 | defreg(FCRTL_A), defreg(FCRTH_A) |
| 100 | }; |
| 101 | |
| 102 | static inline void |
| 103 | e1000x_inc_reg_if_not_full(uint32_t *mac, int index) |
| 104 | { |
| 105 | if (mac[index] != 0xffffffff) { |
| 106 | mac[index]++; |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | static inline void |
| 111 | e1000x_grow_8reg_if_not_full(uint32_t *mac, int index, int size) |
| 112 | { |
| 113 | uint64_t sum = mac[index] | (uint64_t)mac[index + 1] << 32; |
| 114 | |
| 115 | if (sum + size < sum) { |
| 116 | sum = ~0ULL; |
| 117 | } else { |
| 118 | sum += size; |
| 119 | } |
| 120 | mac[index] = sum; |
| 121 | mac[index + 1] = sum >> 32; |
| 122 | } |
| 123 | |
| 124 | static inline int |
| 125 | e1000x_vlan_enabled(uint32_t *mac) |
| 126 | { |
| 127 | return ((mac[CTRL] & E1000_CTRL_VME) != 0); |
| 128 | } |
| 129 | |
| 130 | static inline int |
| 131 | e1000x_is_vlan_txd(uint32_t txd_lower) |
| 132 | { |
| 133 | return ((txd_lower & E1000_TXD_CMD_VLE) != 0); |
| 134 | } |
| 135 | |
| 136 | static inline int |
| 137 | e1000x_vlan_rx_filter_enabled(uint32_t *mac) |
| 138 | { |
| 139 | return ((mac[RCTL] & E1000_RCTL_VFE) != 0); |
| 140 | } |
| 141 | |
| 142 | static inline int |
| 143 | e1000x_fcs_len(uint32_t *mac) |
| 144 | { |
| 145 | /* FCS aka Ethernet CRC-32. We don't get it from backends and can't |
| 146 | * fill it in, just pad descriptor length by 4 bytes unless guest |
| 147 | * told us to strip it off the packet. */ |
| 148 | return (mac[RCTL] & E1000_RCTL_SECRC) ? 0 : 4; |
| 149 | } |
| 150 | |
| 151 | static inline void |
| 152 | e1000x_update_regs_on_link_down(uint32_t *mac, uint16_t *phy) |
| 153 | { |
| 154 | mac[STATUS] &= ~E1000_STATUS_LU; |
| 155 | phy[PHY_STATUS] &= ~MII_SR_LINK_STATUS; |
| 156 | phy[PHY_STATUS] &= ~MII_SR_AUTONEG_COMPLETE; |
| 157 | phy[PHY_LP_ABILITY] &= ~MII_LPAR_LPACK; |
| 158 | } |
| 159 | |
| 160 | static inline void |
| 161 | e1000x_update_regs_on_link_up(uint32_t *mac, uint16_t *phy) |
| 162 | { |
| 163 | mac[STATUS] |= E1000_STATUS_LU; |
| 164 | phy[PHY_STATUS] |= MII_SR_LINK_STATUS; |
| 165 | } |
| 166 | |
| 167 | void e1000x_update_rx_total_stats(uint32_t *mac, |
| 168 | size_t data_size, |
| 169 | size_t data_fcs_size); |
| 170 | |
| 171 | void e1000x_core_prepare_eeprom(uint16_t *eeprom, |
| 172 | const uint16_t *templ, |
| 173 | uint32_t templ_size, |
| 174 | uint16_t dev_id, |
| 175 | const uint8_t *macaddr); |
| 176 | |
| 177 | uint32_t e1000x_rxbufsize(uint32_t rctl); |
| 178 | |
| 179 | bool e1000x_rx_ready(PCIDevice *d, uint32_t *mac); |
| 180 | |
| 181 | bool e1000x_is_vlan_packet(const uint8_t *buf, uint16_t vet); |
| 182 | |
| 183 | bool e1000x_rx_group_filter(uint32_t *mac, const uint8_t *buf); |
| 184 | |
| 185 | bool e1000x_hw_rx_enabled(uint32_t *mac); |
| 186 | |
| 187 | bool e1000x_is_oversized(uint32_t *mac, size_t size); |
| 188 | |
| 189 | void e1000x_restart_autoneg(uint32_t *mac, uint16_t *phy, QEMUTimer *timer); |
| 190 | |
| 191 | void e1000x_reset_mac_addr(NICState *nic, uint32_t *mac_regs, |
| 192 | uint8_t *mac_addr); |
| 193 | |
| 194 | void e1000x_update_regs_on_autoneg_done(uint32_t *mac, uint16_t *phy); |
| 195 | |
| 196 | void e1000x_increase_size_stats(uint32_t *mac, const int *size_regs, int size); |
| 197 | |
| 198 | typedef struct e1000x_txd_props { |
Dmitry Fleytman | 093454e | 2016-06-01 11:23:44 +0300 | [diff] [blame] | 199 | uint8_t ipcss; |
| 200 | uint8_t ipcso; |
| 201 | uint16_t ipcse; |
| 202 | uint8_t tucss; |
| 203 | uint8_t tucso; |
| 204 | uint16_t tucse; |
| 205 | uint32_t paylen; |
| 206 | uint8_t hdr_len; |
| 207 | uint16_t mss; |
| 208 | int8_t ip; |
| 209 | int8_t tcp; |
| 210 | bool tse; |
Dmitry Fleytman | 093454e | 2016-06-01 11:23:44 +0300 | [diff] [blame] | 211 | } e1000x_txd_props; |
| 212 | |
| 213 | void e1000x_read_tx_ctx_descr(struct e1000_context_desc *d, |
| 214 | e1000x_txd_props *props); |
Markus Armbruster | f91005e | 2019-06-04 20:16:18 +0200 | [diff] [blame] | 215 | |
| 216 | #endif |