1 // SPDX-License-Identifier: GPL-2.0-only 2 3 #include <linux/net_tstamp.h> 4 #include <linux/phy.h> 5 6 #include "common.h" 7 8 const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = { 9 [NETIF_F_SG_BIT] = "tx-scatter-gather", 10 [NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4", 11 [NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic", 12 [NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6", 13 [NETIF_F_HIGHDMA_BIT] = "highdma", 14 [NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist", 15 [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert", 16 17 [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse", 18 [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter", 19 [NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert", 20 [NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse", 21 [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter", 22 [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged", 23 [NETIF_F_GSO_BIT] = "tx-generic-segmentation", 24 [NETIF_F_LLTX_BIT] = "tx-lockless", 25 [NETIF_F_NETNS_LOCAL_BIT] = "netns-local", 26 [NETIF_F_GRO_BIT] = "rx-gro", 27 [NETIF_F_GRO_HW_BIT] = "rx-gro-hw", 28 [NETIF_F_LRO_BIT] = "rx-lro", 29 30 [NETIF_F_TSO_BIT] = "tx-tcp-segmentation", 31 [NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust", 32 [NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation", 33 [NETIF_F_TSO_MANGLEID_BIT] = "tx-tcp-mangleid-segmentation", 34 [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation", 35 [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation", 36 [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation", 37 [NETIF_F_GSO_GRE_CSUM_BIT] = "tx-gre-csum-segmentation", 38 [NETIF_F_GSO_IPXIP4_BIT] = "tx-ipxip4-segmentation", 39 [NETIF_F_GSO_IPXIP6_BIT] = "tx-ipxip6-segmentation", 40 [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation", 41 [NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation", 42 [NETIF_F_GSO_PARTIAL_BIT] = "tx-gso-partial", 43 [NETIF_F_GSO_SCTP_BIT] = "tx-sctp-segmentation", 44 [NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation", 45 [NETIF_F_GSO_UDP_L4_BIT] = "tx-udp-segmentation", 46 47 [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc", 48 [NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp", 49 [NETIF_F_FCOE_MTU_BIT] = "fcoe-mtu", 50 [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter", 51 [NETIF_F_RXHASH_BIT] = "rx-hashing", 52 [NETIF_F_RXCSUM_BIT] = "rx-checksum", 53 [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy", 54 [NETIF_F_LOOPBACK_BIT] = "loopback", 55 [NETIF_F_RXFCS_BIT] = "rx-fcs", 56 [NETIF_F_RXALL_BIT] = "rx-all", 57 [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload", 58 [NETIF_F_HW_TC_BIT] = "hw-tc-offload", 59 [NETIF_F_HW_ESP_BIT] = "esp-hw-offload", 60 [NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload", 61 [NETIF_F_RX_UDP_TUNNEL_PORT_BIT] = "rx-udp_tunnel-port-offload", 62 [NETIF_F_HW_TLS_RECORD_BIT] = "tls-hw-record", 63 [NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload", 64 [NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload", 65 [NETIF_F_GRO_FRAGLIST_BIT] = "rx-gro-list", 66 [NETIF_F_HW_MACSEC_BIT] = "macsec-hw-offload", 67 }; 68 69 const char 70 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = { 71 [ETH_RSS_HASH_TOP_BIT] = "toeplitz", 72 [ETH_RSS_HASH_XOR_BIT] = "xor", 73 [ETH_RSS_HASH_CRC32_BIT] = "crc32", 74 }; 75 76 const char 77 tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = { 78 [ETHTOOL_ID_UNSPEC] = "Unspec", 79 [ETHTOOL_RX_COPYBREAK] = "rx-copybreak", 80 [ETHTOOL_TX_COPYBREAK] = "tx-copybreak", 81 [ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout", 82 }; 83 84 const char 85 phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = { 86 [ETHTOOL_ID_UNSPEC] = "Unspec", 87 [ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift", 88 [ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down", 89 [ETHTOOL_PHY_EDPD] = "phy-energy-detect-power-down", 90 }; 91 92 #define __LINK_MODE_NAME(speed, type, duplex) \ 93 #speed "base" #type "/" #duplex 94 #define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \ 95 [ETHTOOL_LINK_MODE(speed, type, duplex)] = \ 96 __LINK_MODE_NAME(speed, type, duplex) 97 #define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \ 98 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name 99 100 const char link_mode_names[][ETH_GSTRING_LEN] = { 101 __DEFINE_LINK_MODE_NAME(10, T, Half), 102 __DEFINE_LINK_MODE_NAME(10, T, Full), 103 __DEFINE_LINK_MODE_NAME(100, T, Half), 104 __DEFINE_LINK_MODE_NAME(100, T, Full), 105 __DEFINE_LINK_MODE_NAME(1000, T, Half), 106 __DEFINE_LINK_MODE_NAME(1000, T, Full), 107 __DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"), 108 __DEFINE_SPECIAL_MODE_NAME(TP, "TP"), 109 __DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"), 110 __DEFINE_SPECIAL_MODE_NAME(MII, "MII"), 111 __DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"), 112 __DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"), 113 __DEFINE_LINK_MODE_NAME(10000, T, Full), 114 __DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"), 115 __DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"), 116 __DEFINE_LINK_MODE_NAME(2500, X, Full), 117 __DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"), 118 __DEFINE_LINK_MODE_NAME(1000, KX, Full), 119 __DEFINE_LINK_MODE_NAME(10000, KX4, Full), 120 __DEFINE_LINK_MODE_NAME(10000, KR, Full), 121 __DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"), 122 __DEFINE_LINK_MODE_NAME(20000, MLD2, Full), 123 __DEFINE_LINK_MODE_NAME(20000, KR2, Full), 124 __DEFINE_LINK_MODE_NAME(40000, KR4, Full), 125 __DEFINE_LINK_MODE_NAME(40000, CR4, Full), 126 __DEFINE_LINK_MODE_NAME(40000, SR4, Full), 127 __DEFINE_LINK_MODE_NAME(40000, LR4, Full), 128 __DEFINE_LINK_MODE_NAME(56000, KR4, Full), 129 __DEFINE_LINK_MODE_NAME(56000, CR4, Full), 130 __DEFINE_LINK_MODE_NAME(56000, SR4, Full), 131 __DEFINE_LINK_MODE_NAME(56000, LR4, Full), 132 __DEFINE_LINK_MODE_NAME(25000, CR, Full), 133 __DEFINE_LINK_MODE_NAME(25000, KR, Full), 134 __DEFINE_LINK_MODE_NAME(25000, SR, Full), 135 __DEFINE_LINK_MODE_NAME(50000, CR2, Full), 136 __DEFINE_LINK_MODE_NAME(50000, KR2, Full), 137 __DEFINE_LINK_MODE_NAME(100000, KR4, Full), 138 __DEFINE_LINK_MODE_NAME(100000, SR4, Full), 139 __DEFINE_LINK_MODE_NAME(100000, CR4, Full), 140 __DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full), 141 __DEFINE_LINK_MODE_NAME(50000, SR2, Full), 142 __DEFINE_LINK_MODE_NAME(1000, X, Full), 143 __DEFINE_LINK_MODE_NAME(10000, CR, Full), 144 __DEFINE_LINK_MODE_NAME(10000, SR, Full), 145 __DEFINE_LINK_MODE_NAME(10000, LR, Full), 146 __DEFINE_LINK_MODE_NAME(10000, LRM, Full), 147 __DEFINE_LINK_MODE_NAME(10000, ER, Full), 148 __DEFINE_LINK_MODE_NAME(2500, T, Full), 149 __DEFINE_LINK_MODE_NAME(5000, T, Full), 150 __DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"), 151 __DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"), 152 __DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"), 153 __DEFINE_LINK_MODE_NAME(50000, KR, Full), 154 __DEFINE_LINK_MODE_NAME(50000, SR, Full), 155 __DEFINE_LINK_MODE_NAME(50000, CR, Full), 156 __DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full), 157 __DEFINE_LINK_MODE_NAME(50000, DR, Full), 158 __DEFINE_LINK_MODE_NAME(100000, KR2, Full), 159 __DEFINE_LINK_MODE_NAME(100000, SR2, Full), 160 __DEFINE_LINK_MODE_NAME(100000, CR2, Full), 161 __DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full), 162 __DEFINE_LINK_MODE_NAME(100000, DR2, Full), 163 __DEFINE_LINK_MODE_NAME(200000, KR4, Full), 164 __DEFINE_LINK_MODE_NAME(200000, SR4, Full), 165 __DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full), 166 __DEFINE_LINK_MODE_NAME(200000, DR4, Full), 167 __DEFINE_LINK_MODE_NAME(200000, CR4, Full), 168 __DEFINE_LINK_MODE_NAME(100, T1, Full), 169 __DEFINE_LINK_MODE_NAME(1000, T1, Full), 170 __DEFINE_LINK_MODE_NAME(400000, KR8, Full), 171 __DEFINE_LINK_MODE_NAME(400000, SR8, Full), 172 __DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full), 173 __DEFINE_LINK_MODE_NAME(400000, DR8, Full), 174 __DEFINE_LINK_MODE_NAME(400000, CR8, Full), 175 __DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"), 176 }; 177 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS); 178 179 const char netif_msg_class_names[][ETH_GSTRING_LEN] = { 180 [NETIF_MSG_DRV_BIT] = "drv", 181 [NETIF_MSG_PROBE_BIT] = "probe", 182 [NETIF_MSG_LINK_BIT] = "link", 183 [NETIF_MSG_TIMER_BIT] = "timer", 184 [NETIF_MSG_IFDOWN_BIT] = "ifdown", 185 [NETIF_MSG_IFUP_BIT] = "ifup", 186 [NETIF_MSG_RX_ERR_BIT] = "rx_err", 187 [NETIF_MSG_TX_ERR_BIT] = "tx_err", 188 [NETIF_MSG_TX_QUEUED_BIT] = "tx_queued", 189 [NETIF_MSG_INTR_BIT] = "intr", 190 [NETIF_MSG_TX_DONE_BIT] = "tx_done", 191 [NETIF_MSG_RX_STATUS_BIT] = "rx_status", 192 [NETIF_MSG_PKTDATA_BIT] = "pktdata", 193 [NETIF_MSG_HW_BIT] = "hw", 194 [NETIF_MSG_WOL_BIT] = "wol", 195 }; 196 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT); 197 198 const char wol_mode_names[][ETH_GSTRING_LEN] = { 199 [const_ilog2(WAKE_PHY)] = "phy", 200 [const_ilog2(WAKE_UCAST)] = "ucast", 201 [const_ilog2(WAKE_MCAST)] = "mcast", 202 [const_ilog2(WAKE_BCAST)] = "bcast", 203 [const_ilog2(WAKE_ARP)] = "arp", 204 [const_ilog2(WAKE_MAGIC)] = "magic", 205 [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure", 206 [const_ilog2(WAKE_FILTER)] = "filter", 207 }; 208 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT); 209 210 const char sof_timestamping_names[][ETH_GSTRING_LEN] = { 211 [const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)] = "hardware-transmit", 212 [const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)] = "software-transmit", 213 [const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)] = "hardware-receive", 214 [const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)] = "software-receive", 215 [const_ilog2(SOF_TIMESTAMPING_SOFTWARE)] = "software-system-clock", 216 [const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock", 217 [const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock", 218 [const_ilog2(SOF_TIMESTAMPING_OPT_ID)] = "option-id", 219 [const_ilog2(SOF_TIMESTAMPING_TX_SCHED)] = "sched-transmit", 220 [const_ilog2(SOF_TIMESTAMPING_TX_ACK)] = "ack-transmit", 221 [const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)] = "option-cmsg", 222 [const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)] = "option-tsonly", 223 [const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats", 224 [const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo", 225 [const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw", 226 }; 227 static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT); 228 229 const char ts_tx_type_names[][ETH_GSTRING_LEN] = { 230 [HWTSTAMP_TX_OFF] = "off", 231 [HWTSTAMP_TX_ON] = "on", 232 [HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync", 233 [HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p", 234 }; 235 static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT); 236 237 const char ts_rx_filter_names[][ETH_GSTRING_LEN] = { 238 [HWTSTAMP_FILTER_NONE] = "none", 239 [HWTSTAMP_FILTER_ALL] = "all", 240 [HWTSTAMP_FILTER_SOME] = "some", 241 [HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event", 242 [HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync", 243 [HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req", 244 [HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event", 245 [HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync", 246 [HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req", 247 [HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event", 248 [HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync", 249 [HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req", 250 [HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event", 251 [HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync", 252 [HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req", 253 [HWTSTAMP_FILTER_NTP_ALL] = "ntp-all", 254 }; 255 static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT); 256 257 /* return false if legacy contained non-0 deprecated fields 258 * maxtxpkt/maxrxpkt. rest of ksettings always updated 259 */ 260 bool 261 convert_legacy_settings_to_link_ksettings( 262 struct ethtool_link_ksettings *link_ksettings, 263 const struct ethtool_cmd *legacy_settings) 264 { 265 bool retval = true; 266 267 memset(link_ksettings, 0, sizeof(*link_ksettings)); 268 269 /* This is used to tell users that driver is still using these 270 * deprecated legacy fields, and they should not use 271 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS 272 */ 273 if (legacy_settings->maxtxpkt || 274 legacy_settings->maxrxpkt) 275 retval = false; 276 277 ethtool_convert_legacy_u32_to_link_mode( 278 link_ksettings->link_modes.supported, 279 legacy_settings->supported); 280 ethtool_convert_legacy_u32_to_link_mode( 281 link_ksettings->link_modes.advertising, 282 legacy_settings->advertising); 283 ethtool_convert_legacy_u32_to_link_mode( 284 link_ksettings->link_modes.lp_advertising, 285 legacy_settings->lp_advertising); 286 link_ksettings->base.speed 287 = ethtool_cmd_speed(legacy_settings); 288 link_ksettings->base.duplex 289 = legacy_settings->duplex; 290 link_ksettings->base.port 291 = legacy_settings->port; 292 link_ksettings->base.phy_address 293 = legacy_settings->phy_address; 294 link_ksettings->base.autoneg 295 = legacy_settings->autoneg; 296 link_ksettings->base.mdio_support 297 = legacy_settings->mdio_support; 298 link_ksettings->base.eth_tp_mdix 299 = legacy_settings->eth_tp_mdix; 300 link_ksettings->base.eth_tp_mdix_ctrl 301 = legacy_settings->eth_tp_mdix_ctrl; 302 return retval; 303 } 304 305 int __ethtool_get_link(struct net_device *dev) 306 { 307 if (!dev->ethtool_ops->get_link) 308 return -EOPNOTSUPP; 309 310 return netif_running(dev) && dev->ethtool_ops->get_link(dev); 311 } 312 313 int ethtool_get_max_rxfh_channel(struct net_device *dev, u32 *max) 314 { 315 u32 dev_size, current_max = 0; 316 u32 *indir; 317 int ret; 318 319 if (!dev->ethtool_ops->get_rxfh_indir_size || 320 !dev->ethtool_ops->get_rxfh) 321 return -EOPNOTSUPP; 322 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); 323 if (dev_size == 0) 324 return -EOPNOTSUPP; 325 326 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER); 327 if (!indir) 328 return -ENOMEM; 329 330 ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL); 331 if (ret) 332 goto out; 333 334 while (dev_size--) 335 current_max = max(current_max, indir[dev_size]); 336 337 *max = current_max; 338 339 out: 340 kfree(indir); 341 return ret; 342 } 343 344 int ethtool_check_ops(const struct ethtool_ops *ops) 345 { 346 if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params)) 347 return -EINVAL; 348 /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime, 349 * the fact that ops are checked at registration time does not 350 * mean the ops attached to a netdev later on are sane. 351 */ 352 return 0; 353 } 354 355 int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) 356 { 357 const struct ethtool_ops *ops = dev->ethtool_ops; 358 struct phy_device *phydev = dev->phydev; 359 360 memset(info, 0, sizeof(*info)); 361 info->cmd = ETHTOOL_GET_TS_INFO; 362 363 if (phy_has_tsinfo(phydev)) 364 return phy_ts_info(phydev, info); 365 if (ops->get_ts_info) 366 return ops->get_ts_info(dev, info); 367 368 info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | 369 SOF_TIMESTAMPING_SOFTWARE; 370 info->phc_index = -1; 371 372 return 0; 373 } 374