1 // SPDX-License-Identifier: GPL-2.0-only 2 3 #include <linux/ethtool_netlink.h> 4 #include <linux/net_tstamp.h> 5 #include <linux/phy.h> 6 #include <linux/rtnetlink.h> 7 #include <linux/ptp_clock_kernel.h> 8 #include <linux/phy_link_topology.h> 9 10 #include "netlink.h" 11 #include "common.h" 12 #include "../core/dev.h" 13 14 15 const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = { 16 [NETIF_F_SG_BIT] = "tx-scatter-gather", 17 [NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4", 18 [NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic", 19 [NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6", 20 [NETIF_F_HIGHDMA_BIT] = "highdma", 21 [NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist", 22 [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert", 23 24 [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse", 25 [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter", 26 [NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert", 27 [NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse", 28 [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter", 29 [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged", 30 [NETIF_F_GSO_BIT] = "tx-generic-segmentation", 31 [NETIF_F_GRO_BIT] = "rx-gro", 32 [NETIF_F_GRO_HW_BIT] = "rx-gro-hw", 33 [NETIF_F_LRO_BIT] = "rx-lro", 34 35 [NETIF_F_TSO_BIT] = "tx-tcp-segmentation", 36 [NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust", 37 [NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation", 38 [NETIF_F_TSO_MANGLEID_BIT] = "tx-tcp-mangleid-segmentation", 39 [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation", 40 [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation", 41 [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation", 42 [NETIF_F_GSO_GRE_CSUM_BIT] = "tx-gre-csum-segmentation", 43 [NETIF_F_GSO_IPXIP4_BIT] = "tx-ipxip4-segmentation", 44 [NETIF_F_GSO_IPXIP6_BIT] = "tx-ipxip6-segmentation", 45 [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation", 46 [NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation", 47 [NETIF_F_GSO_PARTIAL_BIT] = "tx-gso-partial", 48 [NETIF_F_GSO_TUNNEL_REMCSUM_BIT] = "tx-tunnel-remcsum-segmentation", 49 [NETIF_F_GSO_SCTP_BIT] = "tx-sctp-segmentation", 50 [NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation", 51 [NETIF_F_GSO_UDP_L4_BIT] = "tx-udp-segmentation", 52 [NETIF_F_GSO_FRAGLIST_BIT] = "tx-gso-list", 53 54 [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc", 55 [NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp", 56 [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter", 57 [NETIF_F_RXHASH_BIT] = "rx-hashing", 58 [NETIF_F_RXCSUM_BIT] = "rx-checksum", 59 [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy", 60 [NETIF_F_LOOPBACK_BIT] = "loopback", 61 [NETIF_F_RXFCS_BIT] = "rx-fcs", 62 [NETIF_F_RXALL_BIT] = "rx-all", 63 [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload", 64 [NETIF_F_HW_TC_BIT] = "hw-tc-offload", 65 [NETIF_F_HW_ESP_BIT] = "esp-hw-offload", 66 [NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload", 67 [NETIF_F_RX_UDP_TUNNEL_PORT_BIT] = "rx-udp_tunnel-port-offload", 68 [NETIF_F_HW_TLS_RECORD_BIT] = "tls-hw-record", 69 [NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload", 70 [NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload", 71 [NETIF_F_GRO_FRAGLIST_BIT] = "rx-gro-list", 72 [NETIF_F_HW_MACSEC_BIT] = "macsec-hw-offload", 73 [NETIF_F_GRO_UDP_FWD_BIT] = "rx-udp-gro-forwarding", 74 [NETIF_F_HW_HSR_TAG_INS_BIT] = "hsr-tag-ins-offload", 75 [NETIF_F_HW_HSR_TAG_RM_BIT] = "hsr-tag-rm-offload", 76 [NETIF_F_HW_HSR_FWD_BIT] = "hsr-fwd-offload", 77 [NETIF_F_HW_HSR_DUP_BIT] = "hsr-dup-offload", 78 }; 79 80 const char 81 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = { 82 [ETH_RSS_HASH_TOP_BIT] = "toeplitz", 83 [ETH_RSS_HASH_XOR_BIT] = "xor", 84 [ETH_RSS_HASH_CRC32_BIT] = "crc32", 85 }; 86 87 const char 88 tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = { 89 [ETHTOOL_ID_UNSPEC] = "Unspec", 90 [ETHTOOL_RX_COPYBREAK] = "rx-copybreak", 91 [ETHTOOL_TX_COPYBREAK] = "tx-copybreak", 92 [ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout", 93 [ETHTOOL_TX_COPYBREAK_BUF_SIZE] = "tx-copybreak-buf-size", 94 }; 95 96 const char 97 phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = { 98 [ETHTOOL_ID_UNSPEC] = "Unspec", 99 [ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift", 100 [ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down", 101 [ETHTOOL_PHY_EDPD] = "phy-energy-detect-power-down", 102 }; 103 104 #define __LINK_MODE_NAME(speed, type, duplex) \ 105 #speed "base" #type "/" #duplex 106 #define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \ 107 [ETHTOOL_LINK_MODE(speed, type, duplex)] = \ 108 __LINK_MODE_NAME(speed, type, duplex) 109 #define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \ 110 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name 111 112 const char link_mode_names[][ETH_GSTRING_LEN] = { 113 __DEFINE_LINK_MODE_NAME(10, T, Half), 114 __DEFINE_LINK_MODE_NAME(10, T, Full), 115 __DEFINE_LINK_MODE_NAME(100, T, Half), 116 __DEFINE_LINK_MODE_NAME(100, T, Full), 117 __DEFINE_LINK_MODE_NAME(1000, T, Half), 118 __DEFINE_LINK_MODE_NAME(1000, T, Full), 119 __DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"), 120 __DEFINE_SPECIAL_MODE_NAME(TP, "TP"), 121 __DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"), 122 __DEFINE_SPECIAL_MODE_NAME(MII, "MII"), 123 __DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"), 124 __DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"), 125 __DEFINE_LINK_MODE_NAME(10000, T, Full), 126 __DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"), 127 __DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"), 128 __DEFINE_LINK_MODE_NAME(2500, X, Full), 129 __DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"), 130 __DEFINE_LINK_MODE_NAME(1000, KX, Full), 131 __DEFINE_LINK_MODE_NAME(10000, KX4, Full), 132 __DEFINE_LINK_MODE_NAME(10000, KR, Full), 133 __DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"), 134 __DEFINE_LINK_MODE_NAME(20000, MLD2, Full), 135 __DEFINE_LINK_MODE_NAME(20000, KR2, Full), 136 __DEFINE_LINK_MODE_NAME(40000, KR4, Full), 137 __DEFINE_LINK_MODE_NAME(40000, CR4, Full), 138 __DEFINE_LINK_MODE_NAME(40000, SR4, Full), 139 __DEFINE_LINK_MODE_NAME(40000, LR4, Full), 140 __DEFINE_LINK_MODE_NAME(56000, KR4, Full), 141 __DEFINE_LINK_MODE_NAME(56000, CR4, Full), 142 __DEFINE_LINK_MODE_NAME(56000, SR4, Full), 143 __DEFINE_LINK_MODE_NAME(56000, LR4, Full), 144 __DEFINE_LINK_MODE_NAME(25000, CR, Full), 145 __DEFINE_LINK_MODE_NAME(25000, KR, Full), 146 __DEFINE_LINK_MODE_NAME(25000, SR, Full), 147 __DEFINE_LINK_MODE_NAME(50000, CR2, Full), 148 __DEFINE_LINK_MODE_NAME(50000, KR2, Full), 149 __DEFINE_LINK_MODE_NAME(100000, KR4, Full), 150 __DEFINE_LINK_MODE_NAME(100000, SR4, Full), 151 __DEFINE_LINK_MODE_NAME(100000, CR4, Full), 152 __DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full), 153 __DEFINE_LINK_MODE_NAME(50000, SR2, Full), 154 __DEFINE_LINK_MODE_NAME(1000, X, Full), 155 __DEFINE_LINK_MODE_NAME(10000, CR, Full), 156 __DEFINE_LINK_MODE_NAME(10000, SR, Full), 157 __DEFINE_LINK_MODE_NAME(10000, LR, Full), 158 __DEFINE_LINK_MODE_NAME(10000, LRM, Full), 159 __DEFINE_LINK_MODE_NAME(10000, ER, Full), 160 __DEFINE_LINK_MODE_NAME(2500, T, Full), 161 __DEFINE_LINK_MODE_NAME(5000, T, Full), 162 __DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"), 163 __DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"), 164 __DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"), 165 __DEFINE_LINK_MODE_NAME(50000, KR, Full), 166 __DEFINE_LINK_MODE_NAME(50000, SR, Full), 167 __DEFINE_LINK_MODE_NAME(50000, CR, Full), 168 __DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full), 169 __DEFINE_LINK_MODE_NAME(50000, DR, Full), 170 __DEFINE_LINK_MODE_NAME(100000, KR2, Full), 171 __DEFINE_LINK_MODE_NAME(100000, SR2, Full), 172 __DEFINE_LINK_MODE_NAME(100000, CR2, Full), 173 __DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full), 174 __DEFINE_LINK_MODE_NAME(100000, DR2, Full), 175 __DEFINE_LINK_MODE_NAME(200000, KR4, Full), 176 __DEFINE_LINK_MODE_NAME(200000, SR4, Full), 177 __DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full), 178 __DEFINE_LINK_MODE_NAME(200000, DR4, Full), 179 __DEFINE_LINK_MODE_NAME(200000, CR4, Full), 180 __DEFINE_LINK_MODE_NAME(100, T1, Full), 181 __DEFINE_LINK_MODE_NAME(1000, T1, Full), 182 __DEFINE_LINK_MODE_NAME(400000, KR8, Full), 183 __DEFINE_LINK_MODE_NAME(400000, SR8, Full), 184 __DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full), 185 __DEFINE_LINK_MODE_NAME(400000, DR8, Full), 186 __DEFINE_LINK_MODE_NAME(400000, CR8, Full), 187 __DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"), 188 __DEFINE_LINK_MODE_NAME(100000, KR, Full), 189 __DEFINE_LINK_MODE_NAME(100000, SR, Full), 190 __DEFINE_LINK_MODE_NAME(100000, LR_ER_FR, Full), 191 __DEFINE_LINK_MODE_NAME(100000, DR, Full), 192 __DEFINE_LINK_MODE_NAME(100000, CR, Full), 193 __DEFINE_LINK_MODE_NAME(200000, KR2, Full), 194 __DEFINE_LINK_MODE_NAME(200000, SR2, Full), 195 __DEFINE_LINK_MODE_NAME(200000, LR2_ER2_FR2, Full), 196 __DEFINE_LINK_MODE_NAME(200000, DR2, Full), 197 __DEFINE_LINK_MODE_NAME(200000, CR2, Full), 198 __DEFINE_LINK_MODE_NAME(400000, KR4, Full), 199 __DEFINE_LINK_MODE_NAME(400000, SR4, Full), 200 __DEFINE_LINK_MODE_NAME(400000, LR4_ER4_FR4, Full), 201 __DEFINE_LINK_MODE_NAME(400000, DR4, Full), 202 __DEFINE_LINK_MODE_NAME(400000, CR4, Full), 203 __DEFINE_LINK_MODE_NAME(100, FX, Half), 204 __DEFINE_LINK_MODE_NAME(100, FX, Full), 205 __DEFINE_LINK_MODE_NAME(10, T1L, Full), 206 __DEFINE_LINK_MODE_NAME(800000, CR8, Full), 207 __DEFINE_LINK_MODE_NAME(800000, KR8, Full), 208 __DEFINE_LINK_MODE_NAME(800000, DR8, Full), 209 __DEFINE_LINK_MODE_NAME(800000, DR8_2, Full), 210 __DEFINE_LINK_MODE_NAME(800000, SR8, Full), 211 __DEFINE_LINK_MODE_NAME(800000, VR8, Full), 212 __DEFINE_LINK_MODE_NAME(10, T1S, Full), 213 __DEFINE_LINK_MODE_NAME(10, T1S, Half), 214 __DEFINE_LINK_MODE_NAME(10, T1S_P2MP, Half), 215 __DEFINE_LINK_MODE_NAME(10, T1BRR, Full), 216 __DEFINE_LINK_MODE_NAME(200000, CR, Full), 217 __DEFINE_LINK_MODE_NAME(200000, KR, Full), 218 __DEFINE_LINK_MODE_NAME(200000, DR, Full), 219 __DEFINE_LINK_MODE_NAME(200000, DR_2, Full), 220 __DEFINE_LINK_MODE_NAME(200000, SR, Full), 221 __DEFINE_LINK_MODE_NAME(200000, VR, Full), 222 __DEFINE_LINK_MODE_NAME(400000, CR2, Full), 223 __DEFINE_LINK_MODE_NAME(400000, KR2, Full), 224 __DEFINE_LINK_MODE_NAME(400000, DR2, Full), 225 __DEFINE_LINK_MODE_NAME(400000, DR2_2, Full), 226 __DEFINE_LINK_MODE_NAME(400000, SR2, Full), 227 __DEFINE_LINK_MODE_NAME(400000, VR2, Full), 228 __DEFINE_LINK_MODE_NAME(800000, CR4, Full), 229 __DEFINE_LINK_MODE_NAME(800000, KR4, Full), 230 __DEFINE_LINK_MODE_NAME(800000, DR4, Full), 231 __DEFINE_LINK_MODE_NAME(800000, DR4_2, Full), 232 __DEFINE_LINK_MODE_NAME(800000, SR4, Full), 233 __DEFINE_LINK_MODE_NAME(800000, VR4, Full), 234 }; 235 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS); 236 237 #define __LINK_MODE_LANES_CR 1 238 #define __LINK_MODE_LANES_CR2 2 239 #define __LINK_MODE_LANES_CR4 4 240 #define __LINK_MODE_LANES_CR8 8 241 #define __LINK_MODE_LANES_DR 1 242 #define __LINK_MODE_LANES_DR_2 1 243 #define __LINK_MODE_LANES_DR2 2 244 #define __LINK_MODE_LANES_DR2_2 2 245 #define __LINK_MODE_LANES_DR4 4 246 #define __LINK_MODE_LANES_DR4_2 4 247 #define __LINK_MODE_LANES_DR8 8 248 #define __LINK_MODE_LANES_KR 1 249 #define __LINK_MODE_LANES_KR2 2 250 #define __LINK_MODE_LANES_KR4 4 251 #define __LINK_MODE_LANES_KR8 8 252 #define __LINK_MODE_LANES_SR 1 253 #define __LINK_MODE_LANES_SR2 2 254 #define __LINK_MODE_LANES_SR4 4 255 #define __LINK_MODE_LANES_SR8 8 256 #define __LINK_MODE_LANES_ER 1 257 #define __LINK_MODE_LANES_KX 1 258 #define __LINK_MODE_LANES_KX4 4 259 #define __LINK_MODE_LANES_LR 1 260 #define __LINK_MODE_LANES_LR4 4 261 #define __LINK_MODE_LANES_LR4_ER4 4 262 #define __LINK_MODE_LANES_LR_ER_FR 1 263 #define __LINK_MODE_LANES_LR2_ER2_FR2 2 264 #define __LINK_MODE_LANES_LR4_ER4_FR4 4 265 #define __LINK_MODE_LANES_LR8_ER8_FR8 8 266 #define __LINK_MODE_LANES_LRM 1 267 #define __LINK_MODE_LANES_MLD2 2 268 #define __LINK_MODE_LANES_T 1 269 #define __LINK_MODE_LANES_T1 1 270 #define __LINK_MODE_LANES_X 1 271 #define __LINK_MODE_LANES_FX 1 272 #define __LINK_MODE_LANES_T1L 1 273 #define __LINK_MODE_LANES_T1S 1 274 #define __LINK_MODE_LANES_T1S_P2MP 1 275 #define __LINK_MODE_LANES_VR 1 276 #define __LINK_MODE_LANES_VR2 2 277 #define __LINK_MODE_LANES_VR4 4 278 #define __LINK_MODE_LANES_VR8 8 279 #define __LINK_MODE_LANES_DR8_2 8 280 #define __LINK_MODE_LANES_T1BRR 1 281 282 #define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex) \ 283 [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \ 284 .speed = SPEED_ ## _speed, \ 285 .lanes = __LINK_MODE_LANES_ ## _type, \ 286 .duplex = __DUPLEX_ ## _duplex \ 287 } 288 #define __DUPLEX_Half DUPLEX_HALF 289 #define __DUPLEX_Full DUPLEX_FULL 290 #define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \ 291 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \ 292 .speed = SPEED_UNKNOWN, \ 293 .lanes = 0, \ 294 .duplex = DUPLEX_UNKNOWN, \ 295 } 296 297 const struct link_mode_info link_mode_params[] = { 298 __DEFINE_LINK_MODE_PARAMS(10, T, Half), 299 __DEFINE_LINK_MODE_PARAMS(10, T, Full), 300 __DEFINE_LINK_MODE_PARAMS(100, T, Half), 301 __DEFINE_LINK_MODE_PARAMS(100, T, Full), 302 __DEFINE_LINK_MODE_PARAMS(1000, T, Half), 303 __DEFINE_LINK_MODE_PARAMS(1000, T, Full), 304 __DEFINE_SPECIAL_MODE_PARAMS(Autoneg), 305 __DEFINE_SPECIAL_MODE_PARAMS(TP), 306 __DEFINE_SPECIAL_MODE_PARAMS(AUI), 307 __DEFINE_SPECIAL_MODE_PARAMS(MII), 308 __DEFINE_SPECIAL_MODE_PARAMS(FIBRE), 309 __DEFINE_SPECIAL_MODE_PARAMS(BNC), 310 __DEFINE_LINK_MODE_PARAMS(10000, T, Full), 311 __DEFINE_SPECIAL_MODE_PARAMS(Pause), 312 __DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause), 313 __DEFINE_LINK_MODE_PARAMS(2500, X, Full), 314 __DEFINE_SPECIAL_MODE_PARAMS(Backplane), 315 __DEFINE_LINK_MODE_PARAMS(1000, KX, Full), 316 __DEFINE_LINK_MODE_PARAMS(10000, KX4, Full), 317 __DEFINE_LINK_MODE_PARAMS(10000, KR, Full), 318 [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = { 319 .speed = SPEED_10000, 320 .lanes = 1, 321 .duplex = DUPLEX_FULL, 322 }, 323 __DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full), 324 __DEFINE_LINK_MODE_PARAMS(20000, KR2, Full), 325 __DEFINE_LINK_MODE_PARAMS(40000, KR4, Full), 326 __DEFINE_LINK_MODE_PARAMS(40000, CR4, Full), 327 __DEFINE_LINK_MODE_PARAMS(40000, SR4, Full), 328 __DEFINE_LINK_MODE_PARAMS(40000, LR4, Full), 329 __DEFINE_LINK_MODE_PARAMS(56000, KR4, Full), 330 __DEFINE_LINK_MODE_PARAMS(56000, CR4, Full), 331 __DEFINE_LINK_MODE_PARAMS(56000, SR4, Full), 332 __DEFINE_LINK_MODE_PARAMS(56000, LR4, Full), 333 __DEFINE_LINK_MODE_PARAMS(25000, CR, Full), 334 __DEFINE_LINK_MODE_PARAMS(25000, KR, Full), 335 __DEFINE_LINK_MODE_PARAMS(25000, SR, Full), 336 __DEFINE_LINK_MODE_PARAMS(50000, CR2, Full), 337 __DEFINE_LINK_MODE_PARAMS(50000, KR2, Full), 338 __DEFINE_LINK_MODE_PARAMS(100000, KR4, Full), 339 __DEFINE_LINK_MODE_PARAMS(100000, SR4, Full), 340 __DEFINE_LINK_MODE_PARAMS(100000, CR4, Full), 341 __DEFINE_LINK_MODE_PARAMS(100000, LR4_ER4, Full), 342 __DEFINE_LINK_MODE_PARAMS(50000, SR2, Full), 343 __DEFINE_LINK_MODE_PARAMS(1000, X, Full), 344 __DEFINE_LINK_MODE_PARAMS(10000, CR, Full), 345 __DEFINE_LINK_MODE_PARAMS(10000, SR, Full), 346 __DEFINE_LINK_MODE_PARAMS(10000, LR, Full), 347 __DEFINE_LINK_MODE_PARAMS(10000, LRM, Full), 348 __DEFINE_LINK_MODE_PARAMS(10000, ER, Full), 349 __DEFINE_LINK_MODE_PARAMS(2500, T, Full), 350 __DEFINE_LINK_MODE_PARAMS(5000, T, Full), 351 __DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE), 352 __DEFINE_SPECIAL_MODE_PARAMS(FEC_RS), 353 __DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER), 354 __DEFINE_LINK_MODE_PARAMS(50000, KR, Full), 355 __DEFINE_LINK_MODE_PARAMS(50000, SR, Full), 356 __DEFINE_LINK_MODE_PARAMS(50000, CR, Full), 357 __DEFINE_LINK_MODE_PARAMS(50000, LR_ER_FR, Full), 358 __DEFINE_LINK_MODE_PARAMS(50000, DR, Full), 359 __DEFINE_LINK_MODE_PARAMS(100000, KR2, Full), 360 __DEFINE_LINK_MODE_PARAMS(100000, SR2, Full), 361 __DEFINE_LINK_MODE_PARAMS(100000, CR2, Full), 362 __DEFINE_LINK_MODE_PARAMS(100000, LR2_ER2_FR2, Full), 363 __DEFINE_LINK_MODE_PARAMS(100000, DR2, Full), 364 __DEFINE_LINK_MODE_PARAMS(200000, KR4, Full), 365 __DEFINE_LINK_MODE_PARAMS(200000, SR4, Full), 366 __DEFINE_LINK_MODE_PARAMS(200000, LR4_ER4_FR4, Full), 367 __DEFINE_LINK_MODE_PARAMS(200000, DR4, Full), 368 __DEFINE_LINK_MODE_PARAMS(200000, CR4, Full), 369 __DEFINE_LINK_MODE_PARAMS(100, T1, Full), 370 __DEFINE_LINK_MODE_PARAMS(1000, T1, Full), 371 __DEFINE_LINK_MODE_PARAMS(400000, KR8, Full), 372 __DEFINE_LINK_MODE_PARAMS(400000, SR8, Full), 373 __DEFINE_LINK_MODE_PARAMS(400000, LR8_ER8_FR8, Full), 374 __DEFINE_LINK_MODE_PARAMS(400000, DR8, Full), 375 __DEFINE_LINK_MODE_PARAMS(400000, CR8, Full), 376 __DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS), 377 __DEFINE_LINK_MODE_PARAMS(100000, KR, Full), 378 __DEFINE_LINK_MODE_PARAMS(100000, SR, Full), 379 __DEFINE_LINK_MODE_PARAMS(100000, LR_ER_FR, Full), 380 __DEFINE_LINK_MODE_PARAMS(100000, DR, Full), 381 __DEFINE_LINK_MODE_PARAMS(100000, CR, Full), 382 __DEFINE_LINK_MODE_PARAMS(200000, KR2, Full), 383 __DEFINE_LINK_MODE_PARAMS(200000, SR2, Full), 384 __DEFINE_LINK_MODE_PARAMS(200000, LR2_ER2_FR2, Full), 385 __DEFINE_LINK_MODE_PARAMS(200000, DR2, Full), 386 __DEFINE_LINK_MODE_PARAMS(200000, CR2, Full), 387 __DEFINE_LINK_MODE_PARAMS(400000, KR4, Full), 388 __DEFINE_LINK_MODE_PARAMS(400000, SR4, Full), 389 __DEFINE_LINK_MODE_PARAMS(400000, LR4_ER4_FR4, Full), 390 __DEFINE_LINK_MODE_PARAMS(400000, DR4, Full), 391 __DEFINE_LINK_MODE_PARAMS(400000, CR4, Full), 392 __DEFINE_LINK_MODE_PARAMS(100, FX, Half), 393 __DEFINE_LINK_MODE_PARAMS(100, FX, Full), 394 __DEFINE_LINK_MODE_PARAMS(10, T1L, Full), 395 __DEFINE_LINK_MODE_PARAMS(800000, CR8, Full), 396 __DEFINE_LINK_MODE_PARAMS(800000, KR8, Full), 397 __DEFINE_LINK_MODE_PARAMS(800000, DR8, Full), 398 __DEFINE_LINK_MODE_PARAMS(800000, DR8_2, Full), 399 __DEFINE_LINK_MODE_PARAMS(800000, SR8, Full), 400 __DEFINE_LINK_MODE_PARAMS(800000, VR8, Full), 401 __DEFINE_LINK_MODE_PARAMS(10, T1S, Full), 402 __DEFINE_LINK_MODE_PARAMS(10, T1S, Half), 403 __DEFINE_LINK_MODE_PARAMS(10, T1S_P2MP, Half), 404 __DEFINE_LINK_MODE_PARAMS(10, T1BRR, Full), 405 __DEFINE_LINK_MODE_PARAMS(200000, CR, Full), 406 __DEFINE_LINK_MODE_PARAMS(200000, KR, Full), 407 __DEFINE_LINK_MODE_PARAMS(200000, DR, Full), 408 __DEFINE_LINK_MODE_PARAMS(200000, DR_2, Full), 409 __DEFINE_LINK_MODE_PARAMS(200000, SR, Full), 410 __DEFINE_LINK_MODE_PARAMS(200000, VR, Full), 411 __DEFINE_LINK_MODE_PARAMS(400000, CR2, Full), 412 __DEFINE_LINK_MODE_PARAMS(400000, KR2, Full), 413 __DEFINE_LINK_MODE_PARAMS(400000, DR2, Full), 414 __DEFINE_LINK_MODE_PARAMS(400000, DR2_2, Full), 415 __DEFINE_LINK_MODE_PARAMS(400000, SR2, Full), 416 __DEFINE_LINK_MODE_PARAMS(400000, VR2, Full), 417 __DEFINE_LINK_MODE_PARAMS(800000, CR4, Full), 418 __DEFINE_LINK_MODE_PARAMS(800000, KR4, Full), 419 __DEFINE_LINK_MODE_PARAMS(800000, DR4, Full), 420 __DEFINE_LINK_MODE_PARAMS(800000, DR4_2, Full), 421 __DEFINE_LINK_MODE_PARAMS(800000, SR4, Full), 422 __DEFINE_LINK_MODE_PARAMS(800000, VR4, Full), 423 }; 424 static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS); 425 426 const char netif_msg_class_names[][ETH_GSTRING_LEN] = { 427 [NETIF_MSG_DRV_BIT] = "drv", 428 [NETIF_MSG_PROBE_BIT] = "probe", 429 [NETIF_MSG_LINK_BIT] = "link", 430 [NETIF_MSG_TIMER_BIT] = "timer", 431 [NETIF_MSG_IFDOWN_BIT] = "ifdown", 432 [NETIF_MSG_IFUP_BIT] = "ifup", 433 [NETIF_MSG_RX_ERR_BIT] = "rx_err", 434 [NETIF_MSG_TX_ERR_BIT] = "tx_err", 435 [NETIF_MSG_TX_QUEUED_BIT] = "tx_queued", 436 [NETIF_MSG_INTR_BIT] = "intr", 437 [NETIF_MSG_TX_DONE_BIT] = "tx_done", 438 [NETIF_MSG_RX_STATUS_BIT] = "rx_status", 439 [NETIF_MSG_PKTDATA_BIT] = "pktdata", 440 [NETIF_MSG_HW_BIT] = "hw", 441 [NETIF_MSG_WOL_BIT] = "wol", 442 }; 443 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT); 444 445 const char wol_mode_names[][ETH_GSTRING_LEN] = { 446 [const_ilog2(WAKE_PHY)] = "phy", 447 [const_ilog2(WAKE_UCAST)] = "ucast", 448 [const_ilog2(WAKE_MCAST)] = "mcast", 449 [const_ilog2(WAKE_BCAST)] = "bcast", 450 [const_ilog2(WAKE_ARP)] = "arp", 451 [const_ilog2(WAKE_MAGIC)] = "magic", 452 [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure", 453 [const_ilog2(WAKE_FILTER)] = "filter", 454 }; 455 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT); 456 457 const char sof_timestamping_names[][ETH_GSTRING_LEN] = { 458 [const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)] = "hardware-transmit", 459 [const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)] = "software-transmit", 460 [const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)] = "hardware-receive", 461 [const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)] = "software-receive", 462 [const_ilog2(SOF_TIMESTAMPING_SOFTWARE)] = "software-system-clock", 463 [const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock", 464 [const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock", 465 [const_ilog2(SOF_TIMESTAMPING_OPT_ID)] = "option-id", 466 [const_ilog2(SOF_TIMESTAMPING_TX_SCHED)] = "sched-transmit", 467 [const_ilog2(SOF_TIMESTAMPING_TX_ACK)] = "ack-transmit", 468 [const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)] = "option-cmsg", 469 [const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)] = "option-tsonly", 470 [const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats", 471 [const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo", 472 [const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw", 473 [const_ilog2(SOF_TIMESTAMPING_BIND_PHC)] = "bind-phc", 474 [const_ilog2(SOF_TIMESTAMPING_OPT_ID_TCP)] = "option-id-tcp", 475 [const_ilog2(SOF_TIMESTAMPING_OPT_RX_FILTER)] = "option-rx-filter", 476 }; 477 static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT); 478 479 const char ts_tx_type_names[][ETH_GSTRING_LEN] = { 480 [HWTSTAMP_TX_OFF] = "off", 481 [HWTSTAMP_TX_ON] = "on", 482 [HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync", 483 [HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p", 484 }; 485 static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT); 486 487 const char ts_rx_filter_names[][ETH_GSTRING_LEN] = { 488 [HWTSTAMP_FILTER_NONE] = "none", 489 [HWTSTAMP_FILTER_ALL] = "all", 490 [HWTSTAMP_FILTER_SOME] = "some", 491 [HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event", 492 [HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync", 493 [HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req", 494 [HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event", 495 [HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync", 496 [HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req", 497 [HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event", 498 [HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync", 499 [HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req", 500 [HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event", 501 [HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync", 502 [HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req", 503 [HWTSTAMP_FILTER_NTP_ALL] = "ntp-all", 504 }; 505 static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT); 506 507 const char ts_flags_names[][ETH_GSTRING_LEN] = { 508 [const_ilog2(HWTSTAMP_FLAG_BONDED_PHC_INDEX)] = "bonded-phc-index", 509 }; 510 static_assert(ARRAY_SIZE(ts_flags_names) == __HWTSTAMP_FLAG_CNT); 511 512 const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = { 513 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN] = "vxlan", 514 [ETHTOOL_UDP_TUNNEL_TYPE_GENEVE] = "geneve", 515 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE] = "vxlan-gpe", 516 }; 517 static_assert(ARRAY_SIZE(udp_tunnel_type_names) == 518 __ETHTOOL_UDP_TUNNEL_TYPE_CNT); 519 520 /* return false if legacy contained non-0 deprecated fields 521 * maxtxpkt/maxrxpkt. rest of ksettings always updated 522 */ 523 bool 524 convert_legacy_settings_to_link_ksettings( 525 struct ethtool_link_ksettings *link_ksettings, 526 const struct ethtool_cmd *legacy_settings) 527 { 528 bool retval = true; 529 530 memset(link_ksettings, 0, sizeof(*link_ksettings)); 531 532 /* This is used to tell users that driver is still using these 533 * deprecated legacy fields, and they should not use 534 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS 535 */ 536 if (legacy_settings->maxtxpkt || 537 legacy_settings->maxrxpkt) 538 retval = false; 539 540 ethtool_convert_legacy_u32_to_link_mode( 541 link_ksettings->link_modes.supported, 542 legacy_settings->supported); 543 ethtool_convert_legacy_u32_to_link_mode( 544 link_ksettings->link_modes.advertising, 545 legacy_settings->advertising); 546 ethtool_convert_legacy_u32_to_link_mode( 547 link_ksettings->link_modes.lp_advertising, 548 legacy_settings->lp_advertising); 549 link_ksettings->base.speed 550 = ethtool_cmd_speed(legacy_settings); 551 link_ksettings->base.duplex 552 = legacy_settings->duplex; 553 link_ksettings->base.port 554 = legacy_settings->port; 555 link_ksettings->base.phy_address 556 = legacy_settings->phy_address; 557 link_ksettings->base.autoneg 558 = legacy_settings->autoneg; 559 link_ksettings->base.mdio_support 560 = legacy_settings->mdio_support; 561 link_ksettings->base.eth_tp_mdix 562 = legacy_settings->eth_tp_mdix; 563 link_ksettings->base.eth_tp_mdix_ctrl 564 = legacy_settings->eth_tp_mdix_ctrl; 565 return retval; 566 } 567 568 int __ethtool_get_link(struct net_device *dev) 569 { 570 if (!dev->ethtool_ops->get_link) 571 return -EOPNOTSUPP; 572 573 return netif_running(dev) && dev->ethtool_ops->get_link(dev); 574 } 575 576 static int ethtool_get_rxnfc_rule_count(struct net_device *dev) 577 { 578 const struct ethtool_ops *ops = dev->ethtool_ops; 579 struct ethtool_rxnfc info = { 580 .cmd = ETHTOOL_GRXCLSRLCNT, 581 }; 582 int err; 583 584 err = ops->get_rxnfc(dev, &info, NULL); 585 if (err) 586 return err; 587 588 return info.rule_cnt; 589 } 590 591 /* Max offset for one RSS context */ 592 static u32 ethtool_get_rss_ctx_max_channel(struct ethtool_rxfh_context *ctx) 593 { 594 u32 max_ring = 0; 595 u32 i, *tbl; 596 597 if (WARN_ON_ONCE(!ctx)) 598 return 0; 599 tbl = ethtool_rxfh_context_indir(ctx); 600 for (i = 0; i < ctx->indir_size; i++) 601 max_ring = max(max_ring, tbl[i]); 602 return max_ring; 603 } 604 605 static int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max) 606 { 607 const struct ethtool_ops *ops = dev->ethtool_ops; 608 struct ethtool_rxnfc *info; 609 int err, i, rule_cnt; 610 u64 max_ring = 0; 611 612 if (!ops->get_rxnfc) 613 return -EOPNOTSUPP; 614 615 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 616 if (rule_cnt <= 0) 617 return -EINVAL; 618 619 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); 620 if (!info) 621 return -ENOMEM; 622 623 info->cmd = ETHTOOL_GRXCLSRLALL; 624 info->rule_cnt = rule_cnt; 625 err = ops->get_rxnfc(dev, info, info->rule_locs); 626 if (err) 627 goto err_free_info; 628 629 for (i = 0; i < rule_cnt; i++) { 630 struct ethtool_rxnfc rule_info = { 631 .cmd = ETHTOOL_GRXCLSRULE, 632 .fs.location = info->rule_locs[i], 633 }; 634 635 err = ops->get_rxnfc(dev, &rule_info, NULL); 636 if (err) 637 goto err_free_info; 638 639 if (rule_info.fs.ring_cookie != RX_CLS_FLOW_DISC && 640 rule_info.fs.ring_cookie != RX_CLS_FLOW_WAKE && 641 !ethtool_get_flow_spec_ring_vf(rule_info.fs.ring_cookie)) { 642 u64 ring = rule_info.fs.ring_cookie; 643 644 if (rule_info.flow_type & FLOW_RSS) { 645 struct ethtool_rxfh_context *ctx; 646 647 ctx = xa_load(&dev->ethtool->rss_ctx, 648 rule_info.rss_context); 649 ring += ethtool_get_rss_ctx_max_channel(ctx); 650 } 651 max_ring = max_t(u64, max_ring, ring); 652 } 653 } 654 655 kvfree(info); 656 *max = max_ring; 657 return 0; 658 659 err_free_info: 660 kvfree(info); 661 return err; 662 } 663 664 /* Max offset across all of a device's RSS contexts */ 665 static u32 ethtool_get_max_rss_ctx_channel(struct net_device *dev) 666 { 667 struct ethtool_rxfh_context *ctx; 668 unsigned long context; 669 u32 max_ring = 0; 670 671 mutex_lock(&dev->ethtool->rss_lock); 672 xa_for_each(&dev->ethtool->rss_ctx, context, ctx) 673 max_ring = max(max_ring, ethtool_get_rss_ctx_max_channel(ctx)); 674 mutex_unlock(&dev->ethtool->rss_lock); 675 676 return max_ring; 677 } 678 679 static u32 ethtool_get_max_rxfh_channel(struct net_device *dev) 680 { 681 struct ethtool_rxfh_param rxfh = {}; 682 u32 dev_size, current_max = 0; 683 int ret; 684 685 /* While we do track whether RSS context has an indirection 686 * table explicitly set by the user, no driver looks at that bit. 687 * Assume drivers won't auto-regenerate the additional tables, 688 * to be safe. 689 */ 690 current_max = ethtool_get_max_rss_ctx_channel(dev); 691 692 if (!netif_is_rxfh_configured(dev)) 693 return current_max; 694 695 if (!dev->ethtool_ops->get_rxfh_indir_size || 696 !dev->ethtool_ops->get_rxfh) 697 return current_max; 698 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); 699 if (dev_size == 0) 700 return current_max; 701 702 rxfh.indir = kcalloc(dev_size, sizeof(rxfh.indir[0]), GFP_USER); 703 if (!rxfh.indir) 704 return U32_MAX; 705 706 ret = dev->ethtool_ops->get_rxfh(dev, &rxfh); 707 if (ret) { 708 current_max = U32_MAX; 709 goto out_free; 710 } 711 712 while (dev_size--) 713 current_max = max(current_max, rxfh.indir[dev_size]); 714 715 out_free: 716 kfree(rxfh.indir); 717 return current_max; 718 } 719 720 int ethtool_check_max_channel(struct net_device *dev, 721 struct ethtool_channels channels, 722 struct genl_info *info) 723 { 724 u64 max_rxnfc_in_use; 725 u32 max_rxfh_in_use; 726 int max_mp_in_use; 727 728 /* ensure the new Rx count fits within the configured Rx flow 729 * indirection table/rxnfc settings 730 */ 731 if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use)) 732 max_rxnfc_in_use = 0; 733 max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev); 734 if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) { 735 if (info) 736 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use); 737 return -EINVAL; 738 } 739 if (channels.combined_count + channels.rx_count <= max_rxnfc_in_use) { 740 if (info) 741 GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings"); 742 return -EINVAL; 743 } 744 745 max_mp_in_use = dev_get_min_mp_channel_count(dev); 746 if (channels.combined_count + channels.rx_count <= max_mp_in_use) { 747 if (info) 748 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use); 749 return -EINVAL; 750 } 751 752 return 0; 753 } 754 755 int ethtool_check_rss_ctx_busy(struct net_device *dev, u32 rss_context) 756 { 757 const struct ethtool_ops *ops = dev->ethtool_ops; 758 struct ethtool_rxnfc *info; 759 int rc, i, rule_cnt; 760 761 if (!ops->get_rxnfc) 762 return 0; 763 764 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 765 if (!rule_cnt) 766 return 0; 767 768 if (rule_cnt < 0) 769 return -EINVAL; 770 771 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); 772 if (!info) 773 return -ENOMEM; 774 775 info->cmd = ETHTOOL_GRXCLSRLALL; 776 info->rule_cnt = rule_cnt; 777 rc = ops->get_rxnfc(dev, info, info->rule_locs); 778 if (rc) 779 goto out_free; 780 781 for (i = 0; i < rule_cnt; i++) { 782 struct ethtool_rxnfc rule_info = { 783 .cmd = ETHTOOL_GRXCLSRULE, 784 .fs.location = info->rule_locs[i], 785 }; 786 787 rc = ops->get_rxnfc(dev, &rule_info, NULL); 788 if (rc) 789 goto out_free; 790 791 if (rule_info.fs.flow_type & FLOW_RSS && 792 rule_info.rss_context == rss_context) { 793 rc = -EBUSY; 794 goto out_free; 795 } 796 } 797 798 out_free: 799 kvfree(info); 800 return rc; 801 } 802 803 int ethtool_check_ops(const struct ethtool_ops *ops) 804 { 805 if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params)) 806 return -EINVAL; 807 if (WARN_ON(ops->rxfh_max_num_contexts == 1)) 808 return -EINVAL; 809 /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime, 810 * the fact that ops are checked at registration time does not 811 * mean the ops attached to a netdev later on are sane. 812 */ 813 return 0; 814 } 815 816 static void ethtool_init_tsinfo(struct kernel_ethtool_ts_info *info) 817 { 818 memset(info, 0, sizeof(*info)); 819 info->cmd = ETHTOOL_GET_TS_INFO; 820 info->phc_index = -1; 821 } 822 823 int ethtool_net_get_ts_info_by_phc(struct net_device *dev, 824 struct kernel_ethtool_ts_info *info, 825 struct hwtstamp_provider_desc *hwprov_desc) 826 { 827 const struct ethtool_ops *ops = dev->ethtool_ops; 828 int err; 829 830 if (!ops->get_ts_info) 831 return -ENODEV; 832 833 /* Does ptp comes from netdev */ 834 ethtool_init_tsinfo(info); 835 info->phc_qualifier = hwprov_desc->qualifier; 836 err = ops->get_ts_info(dev, info); 837 if (err) 838 return err; 839 840 if (info->phc_index == hwprov_desc->index && 841 net_support_hwtstamp_qualifier(dev, hwprov_desc->qualifier)) 842 return 0; 843 844 return -ENODEV; 845 } 846 847 struct phy_device * 848 ethtool_phy_get_ts_info_by_phc(struct net_device *dev, 849 struct kernel_ethtool_ts_info *info, 850 struct hwtstamp_provider_desc *hwprov_desc) 851 { 852 int err; 853 854 /* Only precise qualifier is supported in phydev */ 855 if (hwprov_desc->qualifier != HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 856 return ERR_PTR(-ENODEV); 857 858 /* Look in the phy topology */ 859 if (dev->link_topo) { 860 struct phy_device_node *pdn; 861 unsigned long phy_index; 862 863 xa_for_each(&dev->link_topo->phys, phy_index, pdn) { 864 if (!phy_has_tsinfo(pdn->phy)) 865 continue; 866 867 ethtool_init_tsinfo(info); 868 err = phy_ts_info(pdn->phy, info); 869 if (err) 870 return ERR_PTR(err); 871 872 if (info->phc_index == hwprov_desc->index) 873 return pdn->phy; 874 } 875 return ERR_PTR(-ENODEV); 876 } 877 878 /* Look on the dev->phydev */ 879 if (phy_has_tsinfo(dev->phydev)) { 880 ethtool_init_tsinfo(info); 881 err = phy_ts_info(dev->phydev, info); 882 if (err) 883 return ERR_PTR(err); 884 885 if (info->phc_index == hwprov_desc->index) 886 return dev->phydev; 887 } 888 889 return ERR_PTR(-ENODEV); 890 } 891 892 int ethtool_get_ts_info_by_phc(struct net_device *dev, 893 struct kernel_ethtool_ts_info *info, 894 struct hwtstamp_provider_desc *hwprov_desc) 895 { 896 int err; 897 898 err = ethtool_net_get_ts_info_by_phc(dev, info, hwprov_desc); 899 if (err == -ENODEV) { 900 struct phy_device *phy; 901 902 phy = ethtool_phy_get_ts_info_by_phc(dev, info, hwprov_desc); 903 if (IS_ERR(phy)) 904 err = PTR_ERR(phy); 905 else 906 err = 0; 907 } 908 909 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 910 SOF_TIMESTAMPING_SOFTWARE; 911 912 return err; 913 } 914 915 int __ethtool_get_ts_info(struct net_device *dev, 916 struct kernel_ethtool_ts_info *info) 917 { 918 struct hwtstamp_provider *hwprov; 919 int err = 0; 920 921 rcu_read_lock(); 922 hwprov = rcu_dereference(dev->hwprov); 923 /* No provider specified, use default behavior */ 924 if (!hwprov) { 925 const struct ethtool_ops *ops = dev->ethtool_ops; 926 struct phy_device *phydev = dev->phydev; 927 928 ethtool_init_tsinfo(info); 929 if (phy_is_default_hwtstamp(phydev) && 930 phy_has_tsinfo(phydev)) 931 err = phy_ts_info(phydev, info); 932 else if (ops->get_ts_info) 933 err = ops->get_ts_info(dev, info); 934 935 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 936 SOF_TIMESTAMPING_SOFTWARE; 937 938 rcu_read_unlock(); 939 return err; 940 } 941 942 err = ethtool_get_ts_info_by_phc(dev, info, &hwprov->desc); 943 rcu_read_unlock(); 944 return err; 945 } 946 947 bool net_support_hwtstamp_qualifier(struct net_device *dev, 948 enum hwtstamp_provider_qualifier qualifier) 949 { 950 const struct ethtool_ops *ops = dev->ethtool_ops; 951 952 if (!ops) 953 return false; 954 955 /* Return true with precise qualifier and with NIC without 956 * qualifier description to not break the old behavior. 957 */ 958 if (!ops->supported_hwtstamp_qualifiers && 959 qualifier == HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 960 return true; 961 962 if (ops->supported_hwtstamp_qualifiers & BIT(qualifier)) 963 return true; 964 965 return false; 966 } 967 968 int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index) 969 { 970 struct kernel_ethtool_ts_info info = { }; 971 int num = 0; 972 973 if (!__ethtool_get_ts_info(dev, &info)) 974 num = ptp_get_vclocks_index(info.phc_index, vclock_index); 975 976 return num; 977 } 978 EXPORT_SYMBOL(ethtool_get_phc_vclocks); 979 980 int ethtool_get_ts_info_by_layer(struct net_device *dev, struct kernel_ethtool_ts_info *info) 981 { 982 return __ethtool_get_ts_info(dev, info); 983 } 984 EXPORT_SYMBOL(ethtool_get_ts_info_by_layer); 985 986 const struct ethtool_phy_ops *ethtool_phy_ops; 987 988 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops) 989 { 990 ASSERT_RTNL(); 991 ethtool_phy_ops = ops; 992 } 993 EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops); 994 995 void 996 ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, 997 enum ethtool_link_mode_bit_indices link_mode) 998 { 999 const struct link_mode_info *link_info; 1000 1001 if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS)) 1002 return; 1003 1004 link_info = &link_mode_params[link_mode]; 1005 link_ksettings->base.speed = link_info->speed; 1006 link_ksettings->lanes = link_info->lanes; 1007 link_ksettings->base.duplex = link_info->duplex; 1008 } 1009 EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode); 1010 1011 /** 1012 * ethtool_forced_speed_maps_init 1013 * @maps: Pointer to an array of Ethtool forced speed map 1014 * @size: Array size 1015 * 1016 * Initialize an array of Ethtool forced speed map to Ethtool link modes. This 1017 * should be called during driver module init. 1018 */ 1019 void 1020 ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size) 1021 { 1022 for (u32 i = 0; i < size; i++) { 1023 struct ethtool_forced_speed_map *map = &maps[i]; 1024 1025 linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps); 1026 map->cap_arr = NULL; 1027 map->arr_size = 0; 1028 } 1029 } 1030 EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init); 1031 1032 void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id) 1033 { 1034 struct ethtool_rxfh_context *ctx; 1035 1036 WARN_ONCE(!rtnl_is_locked() && 1037 !lockdep_is_held_type(&dev->ethtool->rss_lock, -1), 1038 "RSS context lock assertion failed\n"); 1039 1040 netdev_err(dev, "device error, RSS context %d lost\n", context_id); 1041 ctx = xa_erase(&dev->ethtool->rss_ctx, context_id); 1042 kfree(ctx); 1043 } 1044 EXPORT_SYMBOL(ethtool_rxfh_context_lost); 1045