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 }; 217 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS); 218 219 #define __LINK_MODE_LANES_CR 1 220 #define __LINK_MODE_LANES_CR2 2 221 #define __LINK_MODE_LANES_CR4 4 222 #define __LINK_MODE_LANES_CR8 8 223 #define __LINK_MODE_LANES_DR 1 224 #define __LINK_MODE_LANES_DR2 2 225 #define __LINK_MODE_LANES_DR4 4 226 #define __LINK_MODE_LANES_DR8 8 227 #define __LINK_MODE_LANES_KR 1 228 #define __LINK_MODE_LANES_KR2 2 229 #define __LINK_MODE_LANES_KR4 4 230 #define __LINK_MODE_LANES_KR8 8 231 #define __LINK_MODE_LANES_SR 1 232 #define __LINK_MODE_LANES_SR2 2 233 #define __LINK_MODE_LANES_SR4 4 234 #define __LINK_MODE_LANES_SR8 8 235 #define __LINK_MODE_LANES_ER 1 236 #define __LINK_MODE_LANES_KX 1 237 #define __LINK_MODE_LANES_KX4 4 238 #define __LINK_MODE_LANES_LR 1 239 #define __LINK_MODE_LANES_LR4 4 240 #define __LINK_MODE_LANES_LR4_ER4 4 241 #define __LINK_MODE_LANES_LR_ER_FR 1 242 #define __LINK_MODE_LANES_LR2_ER2_FR2 2 243 #define __LINK_MODE_LANES_LR4_ER4_FR4 4 244 #define __LINK_MODE_LANES_LR8_ER8_FR8 8 245 #define __LINK_MODE_LANES_LRM 1 246 #define __LINK_MODE_LANES_MLD2 2 247 #define __LINK_MODE_LANES_T 1 248 #define __LINK_MODE_LANES_T1 1 249 #define __LINK_MODE_LANES_X 1 250 #define __LINK_MODE_LANES_FX 1 251 #define __LINK_MODE_LANES_T1L 1 252 #define __LINK_MODE_LANES_T1S 1 253 #define __LINK_MODE_LANES_T1S_P2MP 1 254 #define __LINK_MODE_LANES_VR8 8 255 #define __LINK_MODE_LANES_DR8_2 8 256 #define __LINK_MODE_LANES_T1BRR 1 257 258 #define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex) \ 259 [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \ 260 .speed = SPEED_ ## _speed, \ 261 .lanes = __LINK_MODE_LANES_ ## _type, \ 262 .duplex = __DUPLEX_ ## _duplex \ 263 } 264 #define __DUPLEX_Half DUPLEX_HALF 265 #define __DUPLEX_Full DUPLEX_FULL 266 #define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \ 267 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \ 268 .speed = SPEED_UNKNOWN, \ 269 .lanes = 0, \ 270 .duplex = DUPLEX_UNKNOWN, \ 271 } 272 273 const struct link_mode_info link_mode_params[] = { 274 __DEFINE_LINK_MODE_PARAMS(10, T, Half), 275 __DEFINE_LINK_MODE_PARAMS(10, T, Full), 276 __DEFINE_LINK_MODE_PARAMS(100, T, Half), 277 __DEFINE_LINK_MODE_PARAMS(100, T, Full), 278 __DEFINE_LINK_MODE_PARAMS(1000, T, Half), 279 __DEFINE_LINK_MODE_PARAMS(1000, T, Full), 280 __DEFINE_SPECIAL_MODE_PARAMS(Autoneg), 281 __DEFINE_SPECIAL_MODE_PARAMS(TP), 282 __DEFINE_SPECIAL_MODE_PARAMS(AUI), 283 __DEFINE_SPECIAL_MODE_PARAMS(MII), 284 __DEFINE_SPECIAL_MODE_PARAMS(FIBRE), 285 __DEFINE_SPECIAL_MODE_PARAMS(BNC), 286 __DEFINE_LINK_MODE_PARAMS(10000, T, Full), 287 __DEFINE_SPECIAL_MODE_PARAMS(Pause), 288 __DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause), 289 __DEFINE_LINK_MODE_PARAMS(2500, X, Full), 290 __DEFINE_SPECIAL_MODE_PARAMS(Backplane), 291 __DEFINE_LINK_MODE_PARAMS(1000, KX, Full), 292 __DEFINE_LINK_MODE_PARAMS(10000, KX4, Full), 293 __DEFINE_LINK_MODE_PARAMS(10000, KR, Full), 294 [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = { 295 .speed = SPEED_10000, 296 .lanes = 1, 297 .duplex = DUPLEX_FULL, 298 }, 299 __DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full), 300 __DEFINE_LINK_MODE_PARAMS(20000, KR2, Full), 301 __DEFINE_LINK_MODE_PARAMS(40000, KR4, Full), 302 __DEFINE_LINK_MODE_PARAMS(40000, CR4, Full), 303 __DEFINE_LINK_MODE_PARAMS(40000, SR4, Full), 304 __DEFINE_LINK_MODE_PARAMS(40000, LR4, Full), 305 __DEFINE_LINK_MODE_PARAMS(56000, KR4, Full), 306 __DEFINE_LINK_MODE_PARAMS(56000, CR4, Full), 307 __DEFINE_LINK_MODE_PARAMS(56000, SR4, Full), 308 __DEFINE_LINK_MODE_PARAMS(56000, LR4, Full), 309 __DEFINE_LINK_MODE_PARAMS(25000, CR, Full), 310 __DEFINE_LINK_MODE_PARAMS(25000, KR, Full), 311 __DEFINE_LINK_MODE_PARAMS(25000, SR, Full), 312 __DEFINE_LINK_MODE_PARAMS(50000, CR2, Full), 313 __DEFINE_LINK_MODE_PARAMS(50000, KR2, Full), 314 __DEFINE_LINK_MODE_PARAMS(100000, KR4, Full), 315 __DEFINE_LINK_MODE_PARAMS(100000, SR4, Full), 316 __DEFINE_LINK_MODE_PARAMS(100000, CR4, Full), 317 __DEFINE_LINK_MODE_PARAMS(100000, LR4_ER4, Full), 318 __DEFINE_LINK_MODE_PARAMS(50000, SR2, Full), 319 __DEFINE_LINK_MODE_PARAMS(1000, X, Full), 320 __DEFINE_LINK_MODE_PARAMS(10000, CR, Full), 321 __DEFINE_LINK_MODE_PARAMS(10000, SR, Full), 322 __DEFINE_LINK_MODE_PARAMS(10000, LR, Full), 323 __DEFINE_LINK_MODE_PARAMS(10000, LRM, Full), 324 __DEFINE_LINK_MODE_PARAMS(10000, ER, Full), 325 __DEFINE_LINK_MODE_PARAMS(2500, T, Full), 326 __DEFINE_LINK_MODE_PARAMS(5000, T, Full), 327 __DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE), 328 __DEFINE_SPECIAL_MODE_PARAMS(FEC_RS), 329 __DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER), 330 __DEFINE_LINK_MODE_PARAMS(50000, KR, Full), 331 __DEFINE_LINK_MODE_PARAMS(50000, SR, Full), 332 __DEFINE_LINK_MODE_PARAMS(50000, CR, Full), 333 __DEFINE_LINK_MODE_PARAMS(50000, LR_ER_FR, Full), 334 __DEFINE_LINK_MODE_PARAMS(50000, DR, Full), 335 __DEFINE_LINK_MODE_PARAMS(100000, KR2, Full), 336 __DEFINE_LINK_MODE_PARAMS(100000, SR2, Full), 337 __DEFINE_LINK_MODE_PARAMS(100000, CR2, Full), 338 __DEFINE_LINK_MODE_PARAMS(100000, LR2_ER2_FR2, Full), 339 __DEFINE_LINK_MODE_PARAMS(100000, DR2, Full), 340 __DEFINE_LINK_MODE_PARAMS(200000, KR4, Full), 341 __DEFINE_LINK_MODE_PARAMS(200000, SR4, Full), 342 __DEFINE_LINK_MODE_PARAMS(200000, LR4_ER4_FR4, Full), 343 __DEFINE_LINK_MODE_PARAMS(200000, DR4, Full), 344 __DEFINE_LINK_MODE_PARAMS(200000, CR4, Full), 345 __DEFINE_LINK_MODE_PARAMS(100, T1, Full), 346 __DEFINE_LINK_MODE_PARAMS(1000, T1, Full), 347 __DEFINE_LINK_MODE_PARAMS(400000, KR8, Full), 348 __DEFINE_LINK_MODE_PARAMS(400000, SR8, Full), 349 __DEFINE_LINK_MODE_PARAMS(400000, LR8_ER8_FR8, Full), 350 __DEFINE_LINK_MODE_PARAMS(400000, DR8, Full), 351 __DEFINE_LINK_MODE_PARAMS(400000, CR8, Full), 352 __DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS), 353 __DEFINE_LINK_MODE_PARAMS(100000, KR, Full), 354 __DEFINE_LINK_MODE_PARAMS(100000, SR, Full), 355 __DEFINE_LINK_MODE_PARAMS(100000, LR_ER_FR, Full), 356 __DEFINE_LINK_MODE_PARAMS(100000, DR, Full), 357 __DEFINE_LINK_MODE_PARAMS(100000, CR, Full), 358 __DEFINE_LINK_MODE_PARAMS(200000, KR2, Full), 359 __DEFINE_LINK_MODE_PARAMS(200000, SR2, Full), 360 __DEFINE_LINK_MODE_PARAMS(200000, LR2_ER2_FR2, Full), 361 __DEFINE_LINK_MODE_PARAMS(200000, DR2, Full), 362 __DEFINE_LINK_MODE_PARAMS(200000, CR2, Full), 363 __DEFINE_LINK_MODE_PARAMS(400000, KR4, Full), 364 __DEFINE_LINK_MODE_PARAMS(400000, SR4, Full), 365 __DEFINE_LINK_MODE_PARAMS(400000, LR4_ER4_FR4, Full), 366 __DEFINE_LINK_MODE_PARAMS(400000, DR4, Full), 367 __DEFINE_LINK_MODE_PARAMS(400000, CR4, Full), 368 __DEFINE_LINK_MODE_PARAMS(100, FX, Half), 369 __DEFINE_LINK_MODE_PARAMS(100, FX, Full), 370 __DEFINE_LINK_MODE_PARAMS(10, T1L, Full), 371 __DEFINE_LINK_MODE_PARAMS(800000, CR8, Full), 372 __DEFINE_LINK_MODE_PARAMS(800000, KR8, Full), 373 __DEFINE_LINK_MODE_PARAMS(800000, DR8, Full), 374 __DEFINE_LINK_MODE_PARAMS(800000, DR8_2, Full), 375 __DEFINE_LINK_MODE_PARAMS(800000, SR8, Full), 376 __DEFINE_LINK_MODE_PARAMS(800000, VR8, Full), 377 __DEFINE_LINK_MODE_PARAMS(10, T1S, Full), 378 __DEFINE_LINK_MODE_PARAMS(10, T1S, Half), 379 __DEFINE_LINK_MODE_PARAMS(10, T1S_P2MP, Half), 380 __DEFINE_LINK_MODE_PARAMS(10, T1BRR, Full), 381 }; 382 static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS); 383 384 const char netif_msg_class_names[][ETH_GSTRING_LEN] = { 385 [NETIF_MSG_DRV_BIT] = "drv", 386 [NETIF_MSG_PROBE_BIT] = "probe", 387 [NETIF_MSG_LINK_BIT] = "link", 388 [NETIF_MSG_TIMER_BIT] = "timer", 389 [NETIF_MSG_IFDOWN_BIT] = "ifdown", 390 [NETIF_MSG_IFUP_BIT] = "ifup", 391 [NETIF_MSG_RX_ERR_BIT] = "rx_err", 392 [NETIF_MSG_TX_ERR_BIT] = "tx_err", 393 [NETIF_MSG_TX_QUEUED_BIT] = "tx_queued", 394 [NETIF_MSG_INTR_BIT] = "intr", 395 [NETIF_MSG_TX_DONE_BIT] = "tx_done", 396 [NETIF_MSG_RX_STATUS_BIT] = "rx_status", 397 [NETIF_MSG_PKTDATA_BIT] = "pktdata", 398 [NETIF_MSG_HW_BIT] = "hw", 399 [NETIF_MSG_WOL_BIT] = "wol", 400 }; 401 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT); 402 403 const char wol_mode_names[][ETH_GSTRING_LEN] = { 404 [const_ilog2(WAKE_PHY)] = "phy", 405 [const_ilog2(WAKE_UCAST)] = "ucast", 406 [const_ilog2(WAKE_MCAST)] = "mcast", 407 [const_ilog2(WAKE_BCAST)] = "bcast", 408 [const_ilog2(WAKE_ARP)] = "arp", 409 [const_ilog2(WAKE_MAGIC)] = "magic", 410 [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure", 411 [const_ilog2(WAKE_FILTER)] = "filter", 412 }; 413 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT); 414 415 const char sof_timestamping_names[][ETH_GSTRING_LEN] = { 416 [const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)] = "hardware-transmit", 417 [const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)] = "software-transmit", 418 [const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)] = "hardware-receive", 419 [const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)] = "software-receive", 420 [const_ilog2(SOF_TIMESTAMPING_SOFTWARE)] = "software-system-clock", 421 [const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock", 422 [const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock", 423 [const_ilog2(SOF_TIMESTAMPING_OPT_ID)] = "option-id", 424 [const_ilog2(SOF_TIMESTAMPING_TX_SCHED)] = "sched-transmit", 425 [const_ilog2(SOF_TIMESTAMPING_TX_ACK)] = "ack-transmit", 426 [const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)] = "option-cmsg", 427 [const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)] = "option-tsonly", 428 [const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats", 429 [const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo", 430 [const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw", 431 [const_ilog2(SOF_TIMESTAMPING_BIND_PHC)] = "bind-phc", 432 [const_ilog2(SOF_TIMESTAMPING_OPT_ID_TCP)] = "option-id-tcp", 433 [const_ilog2(SOF_TIMESTAMPING_OPT_RX_FILTER)] = "option-rx-filter", 434 }; 435 static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT); 436 437 const char ts_tx_type_names[][ETH_GSTRING_LEN] = { 438 [HWTSTAMP_TX_OFF] = "off", 439 [HWTSTAMP_TX_ON] = "on", 440 [HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync", 441 [HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p", 442 }; 443 static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT); 444 445 const char ts_rx_filter_names[][ETH_GSTRING_LEN] = { 446 [HWTSTAMP_FILTER_NONE] = "none", 447 [HWTSTAMP_FILTER_ALL] = "all", 448 [HWTSTAMP_FILTER_SOME] = "some", 449 [HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event", 450 [HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync", 451 [HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req", 452 [HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event", 453 [HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync", 454 [HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req", 455 [HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event", 456 [HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync", 457 [HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req", 458 [HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event", 459 [HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync", 460 [HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req", 461 [HWTSTAMP_FILTER_NTP_ALL] = "ntp-all", 462 }; 463 static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT); 464 465 const char ts_flags_names[][ETH_GSTRING_LEN] = { 466 [const_ilog2(HWTSTAMP_FLAG_BONDED_PHC_INDEX)] = "bonded-phc-index", 467 }; 468 static_assert(ARRAY_SIZE(ts_flags_names) == __HWTSTAMP_FLAG_CNT); 469 470 const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = { 471 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN] = "vxlan", 472 [ETHTOOL_UDP_TUNNEL_TYPE_GENEVE] = "geneve", 473 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE] = "vxlan-gpe", 474 }; 475 static_assert(ARRAY_SIZE(udp_tunnel_type_names) == 476 __ETHTOOL_UDP_TUNNEL_TYPE_CNT); 477 478 /* return false if legacy contained non-0 deprecated fields 479 * maxtxpkt/maxrxpkt. rest of ksettings always updated 480 */ 481 bool 482 convert_legacy_settings_to_link_ksettings( 483 struct ethtool_link_ksettings *link_ksettings, 484 const struct ethtool_cmd *legacy_settings) 485 { 486 bool retval = true; 487 488 memset(link_ksettings, 0, sizeof(*link_ksettings)); 489 490 /* This is used to tell users that driver is still using these 491 * deprecated legacy fields, and they should not use 492 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS 493 */ 494 if (legacy_settings->maxtxpkt || 495 legacy_settings->maxrxpkt) 496 retval = false; 497 498 ethtool_convert_legacy_u32_to_link_mode( 499 link_ksettings->link_modes.supported, 500 legacy_settings->supported); 501 ethtool_convert_legacy_u32_to_link_mode( 502 link_ksettings->link_modes.advertising, 503 legacy_settings->advertising); 504 ethtool_convert_legacy_u32_to_link_mode( 505 link_ksettings->link_modes.lp_advertising, 506 legacy_settings->lp_advertising); 507 link_ksettings->base.speed 508 = ethtool_cmd_speed(legacy_settings); 509 link_ksettings->base.duplex 510 = legacy_settings->duplex; 511 link_ksettings->base.port 512 = legacy_settings->port; 513 link_ksettings->base.phy_address 514 = legacy_settings->phy_address; 515 link_ksettings->base.autoneg 516 = legacy_settings->autoneg; 517 link_ksettings->base.mdio_support 518 = legacy_settings->mdio_support; 519 link_ksettings->base.eth_tp_mdix 520 = legacy_settings->eth_tp_mdix; 521 link_ksettings->base.eth_tp_mdix_ctrl 522 = legacy_settings->eth_tp_mdix_ctrl; 523 return retval; 524 } 525 526 int __ethtool_get_link(struct net_device *dev) 527 { 528 if (!dev->ethtool_ops->get_link) 529 return -EOPNOTSUPP; 530 531 return netif_running(dev) && dev->ethtool_ops->get_link(dev); 532 } 533 534 static int ethtool_get_rxnfc_rule_count(struct net_device *dev) 535 { 536 const struct ethtool_ops *ops = dev->ethtool_ops; 537 struct ethtool_rxnfc info = { 538 .cmd = ETHTOOL_GRXCLSRLCNT, 539 }; 540 int err; 541 542 err = ops->get_rxnfc(dev, &info, NULL); 543 if (err) 544 return err; 545 546 return info.rule_cnt; 547 } 548 549 /* Max offset for one RSS context */ 550 static u32 ethtool_get_rss_ctx_max_channel(struct ethtool_rxfh_context *ctx) 551 { 552 u32 max_ring = 0; 553 u32 i, *tbl; 554 555 if (WARN_ON_ONCE(!ctx)) 556 return 0; 557 tbl = ethtool_rxfh_context_indir(ctx); 558 for (i = 0; i < ctx->indir_size; i++) 559 max_ring = max(max_ring, tbl[i]); 560 return max_ring; 561 } 562 563 static int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max) 564 { 565 const struct ethtool_ops *ops = dev->ethtool_ops; 566 struct ethtool_rxnfc *info; 567 int err, i, rule_cnt; 568 u64 max_ring = 0; 569 570 if (!ops->get_rxnfc) 571 return -EOPNOTSUPP; 572 573 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 574 if (rule_cnt <= 0) 575 return -EINVAL; 576 577 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); 578 if (!info) 579 return -ENOMEM; 580 581 info->cmd = ETHTOOL_GRXCLSRLALL; 582 info->rule_cnt = rule_cnt; 583 err = ops->get_rxnfc(dev, info, info->rule_locs); 584 if (err) 585 goto err_free_info; 586 587 for (i = 0; i < rule_cnt; i++) { 588 struct ethtool_rxnfc rule_info = { 589 .cmd = ETHTOOL_GRXCLSRULE, 590 .fs.location = info->rule_locs[i], 591 }; 592 593 err = ops->get_rxnfc(dev, &rule_info, NULL); 594 if (err) 595 goto err_free_info; 596 597 if (rule_info.fs.ring_cookie != RX_CLS_FLOW_DISC && 598 rule_info.fs.ring_cookie != RX_CLS_FLOW_WAKE && 599 !ethtool_get_flow_spec_ring_vf(rule_info.fs.ring_cookie)) { 600 u64 ring = rule_info.fs.ring_cookie; 601 602 if (rule_info.flow_type & FLOW_RSS) { 603 struct ethtool_rxfh_context *ctx; 604 605 ctx = xa_load(&dev->ethtool->rss_ctx, 606 rule_info.rss_context); 607 ring += ethtool_get_rss_ctx_max_channel(ctx); 608 } 609 max_ring = max_t(u64, max_ring, ring); 610 } 611 } 612 613 kvfree(info); 614 *max = max_ring; 615 return 0; 616 617 err_free_info: 618 kvfree(info); 619 return err; 620 } 621 622 /* Max offset across all of a device's RSS contexts */ 623 static u32 ethtool_get_max_rss_ctx_channel(struct net_device *dev) 624 { 625 struct ethtool_rxfh_context *ctx; 626 unsigned long context; 627 u32 max_ring = 0; 628 629 mutex_lock(&dev->ethtool->rss_lock); 630 xa_for_each(&dev->ethtool->rss_ctx, context, ctx) 631 max_ring = max(max_ring, ethtool_get_rss_ctx_max_channel(ctx)); 632 mutex_unlock(&dev->ethtool->rss_lock); 633 634 return max_ring; 635 } 636 637 static u32 ethtool_get_max_rxfh_channel(struct net_device *dev) 638 { 639 struct ethtool_rxfh_param rxfh = {}; 640 u32 dev_size, current_max = 0; 641 int ret; 642 643 /* While we do track whether RSS context has an indirection 644 * table explicitly set by the user, no driver looks at that bit. 645 * Assume drivers won't auto-regenerate the additional tables, 646 * to be safe. 647 */ 648 current_max = ethtool_get_max_rss_ctx_channel(dev); 649 650 if (!netif_is_rxfh_configured(dev)) 651 return current_max; 652 653 if (!dev->ethtool_ops->get_rxfh_indir_size || 654 !dev->ethtool_ops->get_rxfh) 655 return current_max; 656 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); 657 if (dev_size == 0) 658 return current_max; 659 660 rxfh.indir = kcalloc(dev_size, sizeof(rxfh.indir[0]), GFP_USER); 661 if (!rxfh.indir) 662 return U32_MAX; 663 664 ret = dev->ethtool_ops->get_rxfh(dev, &rxfh); 665 if (ret) { 666 current_max = U32_MAX; 667 goto out_free; 668 } 669 670 while (dev_size--) 671 current_max = max(current_max, rxfh.indir[dev_size]); 672 673 out_free: 674 kfree(rxfh.indir); 675 return current_max; 676 } 677 678 int ethtool_check_max_channel(struct net_device *dev, 679 struct ethtool_channels channels, 680 struct genl_info *info) 681 { 682 u64 max_rxnfc_in_use; 683 u32 max_rxfh_in_use; 684 int max_mp_in_use; 685 686 /* ensure the new Rx count fits within the configured Rx flow 687 * indirection table/rxnfc settings 688 */ 689 if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use)) 690 max_rxnfc_in_use = 0; 691 max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev); 692 if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) { 693 if (info) 694 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use); 695 return -EINVAL; 696 } 697 if (channels.combined_count + channels.rx_count <= max_rxnfc_in_use) { 698 if (info) 699 GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings"); 700 return -EINVAL; 701 } 702 703 max_mp_in_use = dev_get_min_mp_channel_count(dev); 704 if (channels.combined_count + channels.rx_count <= max_mp_in_use) { 705 if (info) 706 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use); 707 return -EINVAL; 708 } 709 710 return 0; 711 } 712 713 int ethtool_check_rss_ctx_busy(struct net_device *dev, u32 rss_context) 714 { 715 const struct ethtool_ops *ops = dev->ethtool_ops; 716 struct ethtool_rxnfc *info; 717 int rc, i, rule_cnt; 718 719 if (!ops->get_rxnfc) 720 return 0; 721 722 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 723 if (!rule_cnt) 724 return 0; 725 726 if (rule_cnt < 0) 727 return -EINVAL; 728 729 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); 730 if (!info) 731 return -ENOMEM; 732 733 info->cmd = ETHTOOL_GRXCLSRLALL; 734 info->rule_cnt = rule_cnt; 735 rc = ops->get_rxnfc(dev, info, info->rule_locs); 736 if (rc) 737 goto out_free; 738 739 for (i = 0; i < rule_cnt; i++) { 740 struct ethtool_rxnfc rule_info = { 741 .cmd = ETHTOOL_GRXCLSRULE, 742 .fs.location = info->rule_locs[i], 743 }; 744 745 rc = ops->get_rxnfc(dev, &rule_info, NULL); 746 if (rc) 747 goto out_free; 748 749 if (rule_info.fs.flow_type & FLOW_RSS && 750 rule_info.rss_context == rss_context) { 751 rc = -EBUSY; 752 goto out_free; 753 } 754 } 755 756 out_free: 757 kvfree(info); 758 return rc; 759 } 760 761 int ethtool_check_ops(const struct ethtool_ops *ops) 762 { 763 if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params)) 764 return -EINVAL; 765 if (WARN_ON(ops->rxfh_max_num_contexts == 1)) 766 return -EINVAL; 767 /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime, 768 * the fact that ops are checked at registration time does not 769 * mean the ops attached to a netdev later on are sane. 770 */ 771 return 0; 772 } 773 774 static void ethtool_init_tsinfo(struct kernel_ethtool_ts_info *info) 775 { 776 memset(info, 0, sizeof(*info)); 777 info->cmd = ETHTOOL_GET_TS_INFO; 778 info->phc_index = -1; 779 } 780 781 int ethtool_net_get_ts_info_by_phc(struct net_device *dev, 782 struct kernel_ethtool_ts_info *info, 783 struct hwtstamp_provider_desc *hwprov_desc) 784 { 785 const struct ethtool_ops *ops = dev->ethtool_ops; 786 int err; 787 788 if (!ops->get_ts_info) 789 return -ENODEV; 790 791 /* Does ptp comes from netdev */ 792 ethtool_init_tsinfo(info); 793 info->phc_qualifier = hwprov_desc->qualifier; 794 err = ops->get_ts_info(dev, info); 795 if (err) 796 return err; 797 798 if (info->phc_index == hwprov_desc->index && 799 net_support_hwtstamp_qualifier(dev, hwprov_desc->qualifier)) 800 return 0; 801 802 return -ENODEV; 803 } 804 805 struct phy_device * 806 ethtool_phy_get_ts_info_by_phc(struct net_device *dev, 807 struct kernel_ethtool_ts_info *info, 808 struct hwtstamp_provider_desc *hwprov_desc) 809 { 810 int err; 811 812 /* Only precise qualifier is supported in phydev */ 813 if (hwprov_desc->qualifier != HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 814 return ERR_PTR(-ENODEV); 815 816 /* Look in the phy topology */ 817 if (dev->link_topo) { 818 struct phy_device_node *pdn; 819 unsigned long phy_index; 820 821 xa_for_each(&dev->link_topo->phys, phy_index, pdn) { 822 if (!phy_has_tsinfo(pdn->phy)) 823 continue; 824 825 ethtool_init_tsinfo(info); 826 err = phy_ts_info(pdn->phy, info); 827 if (err) 828 return ERR_PTR(err); 829 830 if (info->phc_index == hwprov_desc->index) 831 return pdn->phy; 832 } 833 return ERR_PTR(-ENODEV); 834 } 835 836 /* Look on the dev->phydev */ 837 if (phy_has_tsinfo(dev->phydev)) { 838 ethtool_init_tsinfo(info); 839 err = phy_ts_info(dev->phydev, info); 840 if (err) 841 return ERR_PTR(err); 842 843 if (info->phc_index == hwprov_desc->index) 844 return dev->phydev; 845 } 846 847 return ERR_PTR(-ENODEV); 848 } 849 850 int ethtool_get_ts_info_by_phc(struct net_device *dev, 851 struct kernel_ethtool_ts_info *info, 852 struct hwtstamp_provider_desc *hwprov_desc) 853 { 854 int err; 855 856 err = ethtool_net_get_ts_info_by_phc(dev, info, hwprov_desc); 857 if (err == -ENODEV) { 858 struct phy_device *phy; 859 860 phy = ethtool_phy_get_ts_info_by_phc(dev, info, hwprov_desc); 861 if (IS_ERR(phy)) 862 err = PTR_ERR(phy); 863 else 864 err = 0; 865 } 866 867 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 868 SOF_TIMESTAMPING_SOFTWARE; 869 870 return err; 871 } 872 873 int __ethtool_get_ts_info(struct net_device *dev, 874 struct kernel_ethtool_ts_info *info) 875 { 876 struct hwtstamp_provider *hwprov; 877 int err = 0; 878 879 rcu_read_lock(); 880 hwprov = rcu_dereference(dev->hwprov); 881 /* No provider specified, use default behavior */ 882 if (!hwprov) { 883 const struct ethtool_ops *ops = dev->ethtool_ops; 884 struct phy_device *phydev = dev->phydev; 885 886 ethtool_init_tsinfo(info); 887 if (phy_is_default_hwtstamp(phydev) && 888 phy_has_tsinfo(phydev)) 889 err = phy_ts_info(phydev, info); 890 else if (ops->get_ts_info) 891 err = ops->get_ts_info(dev, info); 892 893 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 894 SOF_TIMESTAMPING_SOFTWARE; 895 896 rcu_read_unlock(); 897 return err; 898 } 899 900 err = ethtool_get_ts_info_by_phc(dev, info, &hwprov->desc); 901 rcu_read_unlock(); 902 return err; 903 } 904 905 bool net_support_hwtstamp_qualifier(struct net_device *dev, 906 enum hwtstamp_provider_qualifier qualifier) 907 { 908 const struct ethtool_ops *ops = dev->ethtool_ops; 909 910 if (!ops) 911 return false; 912 913 /* Return true with precise qualifier and with NIC without 914 * qualifier description to not break the old behavior. 915 */ 916 if (!ops->supported_hwtstamp_qualifiers && 917 qualifier == HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 918 return true; 919 920 if (ops->supported_hwtstamp_qualifiers & BIT(qualifier)) 921 return true; 922 923 return false; 924 } 925 926 int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index) 927 { 928 struct kernel_ethtool_ts_info info = { }; 929 int num = 0; 930 931 if (!__ethtool_get_ts_info(dev, &info)) 932 num = ptp_get_vclocks_index(info.phc_index, vclock_index); 933 934 return num; 935 } 936 EXPORT_SYMBOL(ethtool_get_phc_vclocks); 937 938 int ethtool_get_ts_info_by_layer(struct net_device *dev, struct kernel_ethtool_ts_info *info) 939 { 940 return __ethtool_get_ts_info(dev, info); 941 } 942 EXPORT_SYMBOL(ethtool_get_ts_info_by_layer); 943 944 const struct ethtool_phy_ops *ethtool_phy_ops; 945 946 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops) 947 { 948 ASSERT_RTNL(); 949 ethtool_phy_ops = ops; 950 } 951 EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops); 952 953 void 954 ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, 955 enum ethtool_link_mode_bit_indices link_mode) 956 { 957 const struct link_mode_info *link_info; 958 959 if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS)) 960 return; 961 962 link_info = &link_mode_params[link_mode]; 963 link_ksettings->base.speed = link_info->speed; 964 link_ksettings->lanes = link_info->lanes; 965 link_ksettings->base.duplex = link_info->duplex; 966 } 967 EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode); 968 969 /** 970 * ethtool_forced_speed_maps_init 971 * @maps: Pointer to an array of Ethtool forced speed map 972 * @size: Array size 973 * 974 * Initialize an array of Ethtool forced speed map to Ethtool link modes. This 975 * should be called during driver module init. 976 */ 977 void 978 ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size) 979 { 980 for (u32 i = 0; i < size; i++) { 981 struct ethtool_forced_speed_map *map = &maps[i]; 982 983 linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps); 984 map->cap_arr = NULL; 985 map->arr_size = 0; 986 } 987 } 988 EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init); 989 990 void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id) 991 { 992 struct ethtool_rxfh_context *ctx; 993 994 WARN_ONCE(!rtnl_is_locked() && 995 !lockdep_is_held_type(&dev->ethtool->rss_lock, -1), 996 "RSS context lock assertion failed\n"); 997 998 netdev_err(dev, "device error, RSS context %d lost\n", context_id); 999 ctx = xa_erase(&dev->ethtool->rss_ctx, context_id); 1000 kfree(ctx); 1001 } 1002 EXPORT_SYMBOL(ethtool_rxfh_context_lost); 1003