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 #include <net/netdev_queues.h> 10 11 #include "netlink.h" 12 #include "common.h" 13 #include "../core/dev.h" 14 15 16 const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = { 17 [NETIF_F_SG_BIT] = "tx-scatter-gather", 18 [NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4", 19 [NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic", 20 [NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6", 21 [NETIF_F_HIGHDMA_BIT] = "highdma", 22 [NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist", 23 [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert", 24 25 [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse", 26 [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter", 27 [NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert", 28 [NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse", 29 [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter", 30 [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged", 31 [NETIF_F_GSO_BIT] = "tx-generic-segmentation", 32 [NETIF_F_GRO_BIT] = "rx-gro", 33 [NETIF_F_GRO_HW_BIT] = "rx-gro-hw", 34 [NETIF_F_LRO_BIT] = "rx-lro", 35 36 [NETIF_F_TSO_BIT] = "tx-tcp-segmentation", 37 [NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust", 38 [NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation", 39 [NETIF_F_GSO_ACCECN_BIT] = "tx-tcp-accecn-segmentation", 40 [NETIF_F_TSO_MANGLEID_BIT] = "tx-tcp-mangleid-segmentation", 41 [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation", 42 [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation", 43 [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation", 44 [NETIF_F_GSO_GRE_CSUM_BIT] = "tx-gre-csum-segmentation", 45 [NETIF_F_GSO_IPXIP4_BIT] = "tx-ipxip4-segmentation", 46 [NETIF_F_GSO_IPXIP6_BIT] = "tx-ipxip6-segmentation", 47 [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation", 48 [NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation", 49 [NETIF_F_GSO_PARTIAL_BIT] = "tx-gso-partial", 50 [NETIF_F_GSO_TUNNEL_REMCSUM_BIT] = "tx-tunnel-remcsum-segmentation", 51 [NETIF_F_GSO_SCTP_BIT] = "tx-sctp-segmentation", 52 [NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation", 53 [NETIF_F_GSO_UDP_L4_BIT] = "tx-udp-segmentation", 54 [NETIF_F_GSO_FRAGLIST_BIT] = "tx-gso-list", 55 56 [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc", 57 [NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp", 58 [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter", 59 [NETIF_F_RXHASH_BIT] = "rx-hashing", 60 [NETIF_F_RXCSUM_BIT] = "rx-checksum", 61 [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy", 62 [NETIF_F_LOOPBACK_BIT] = "loopback", 63 [NETIF_F_RXFCS_BIT] = "rx-fcs", 64 [NETIF_F_RXALL_BIT] = "rx-all", 65 [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload", 66 [NETIF_F_HW_TC_BIT] = "hw-tc-offload", 67 [NETIF_F_HW_ESP_BIT] = "esp-hw-offload", 68 [NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload", 69 [NETIF_F_RX_UDP_TUNNEL_PORT_BIT] = "rx-udp_tunnel-port-offload", 70 [NETIF_F_HW_TLS_RECORD_BIT] = "tls-hw-record", 71 [NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload", 72 [NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload", 73 [NETIF_F_GRO_FRAGLIST_BIT] = "rx-gro-list", 74 [NETIF_F_HW_MACSEC_BIT] = "macsec-hw-offload", 75 [NETIF_F_GRO_UDP_FWD_BIT] = "rx-udp-gro-forwarding", 76 [NETIF_F_HW_HSR_TAG_INS_BIT] = "hsr-tag-ins-offload", 77 [NETIF_F_HW_HSR_TAG_RM_BIT] = "hsr-tag-rm-offload", 78 [NETIF_F_HW_HSR_FWD_BIT] = "hsr-fwd-offload", 79 [NETIF_F_HW_HSR_DUP_BIT] = "hsr-dup-offload", 80 }; 81 82 const char 83 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = { 84 [ETH_RSS_HASH_TOP_BIT] = "toeplitz", 85 [ETH_RSS_HASH_XOR_BIT] = "xor", 86 [ETH_RSS_HASH_CRC32_BIT] = "crc32", 87 }; 88 89 const char 90 tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = { 91 [ETHTOOL_ID_UNSPEC] = "Unspec", 92 [ETHTOOL_RX_COPYBREAK] = "rx-copybreak", 93 [ETHTOOL_TX_COPYBREAK] = "tx-copybreak", 94 [ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout", 95 [ETHTOOL_TX_COPYBREAK_BUF_SIZE] = "tx-copybreak-buf-size", 96 }; 97 98 const char 99 phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = { 100 [ETHTOOL_ID_UNSPEC] = "Unspec", 101 [ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift", 102 [ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down", 103 [ETHTOOL_PHY_EDPD] = "phy-energy-detect-power-down", 104 }; 105 106 #define __LINK_MODE_NAME(speed, type, duplex) \ 107 #speed "base" #type "/" #duplex 108 #define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \ 109 [ETHTOOL_LINK_MODE(speed, type, duplex)] = \ 110 __LINK_MODE_NAME(speed, type, duplex) 111 #define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \ 112 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name 113 114 const char link_mode_names[][ETH_GSTRING_LEN] = { 115 __DEFINE_LINK_MODE_NAME(10, T, Half), 116 __DEFINE_LINK_MODE_NAME(10, T, Full), 117 __DEFINE_LINK_MODE_NAME(100, T, Half), 118 __DEFINE_LINK_MODE_NAME(100, T, Full), 119 __DEFINE_LINK_MODE_NAME(1000, T, Half), 120 __DEFINE_LINK_MODE_NAME(1000, T, Full), 121 __DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"), 122 __DEFINE_SPECIAL_MODE_NAME(TP, "TP"), 123 __DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"), 124 __DEFINE_SPECIAL_MODE_NAME(MII, "MII"), 125 __DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"), 126 __DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"), 127 __DEFINE_LINK_MODE_NAME(10000, T, Full), 128 __DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"), 129 __DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"), 130 __DEFINE_LINK_MODE_NAME(2500, X, Full), 131 __DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"), 132 __DEFINE_LINK_MODE_NAME(1000, KX, Full), 133 __DEFINE_LINK_MODE_NAME(10000, KX4, Full), 134 __DEFINE_LINK_MODE_NAME(10000, KR, Full), 135 __DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"), 136 __DEFINE_LINK_MODE_NAME(20000, MLD2, Full), 137 __DEFINE_LINK_MODE_NAME(20000, KR2, Full), 138 __DEFINE_LINK_MODE_NAME(40000, KR4, Full), 139 __DEFINE_LINK_MODE_NAME(40000, CR4, Full), 140 __DEFINE_LINK_MODE_NAME(40000, SR4, Full), 141 __DEFINE_LINK_MODE_NAME(40000, LR4, Full), 142 __DEFINE_LINK_MODE_NAME(56000, KR4, Full), 143 __DEFINE_LINK_MODE_NAME(56000, CR4, Full), 144 __DEFINE_LINK_MODE_NAME(56000, SR4, Full), 145 __DEFINE_LINK_MODE_NAME(56000, LR4, Full), 146 __DEFINE_LINK_MODE_NAME(25000, CR, Full), 147 __DEFINE_LINK_MODE_NAME(25000, KR, Full), 148 __DEFINE_LINK_MODE_NAME(25000, SR, Full), 149 __DEFINE_LINK_MODE_NAME(50000, CR2, Full), 150 __DEFINE_LINK_MODE_NAME(50000, KR2, Full), 151 __DEFINE_LINK_MODE_NAME(100000, KR4, Full), 152 __DEFINE_LINK_MODE_NAME(100000, SR4, Full), 153 __DEFINE_LINK_MODE_NAME(100000, CR4, Full), 154 __DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full), 155 __DEFINE_LINK_MODE_NAME(50000, SR2, Full), 156 __DEFINE_LINK_MODE_NAME(1000, X, Full), 157 __DEFINE_LINK_MODE_NAME(10000, CR, Full), 158 __DEFINE_LINK_MODE_NAME(10000, SR, Full), 159 __DEFINE_LINK_MODE_NAME(10000, LR, Full), 160 __DEFINE_LINK_MODE_NAME(10000, LRM, Full), 161 __DEFINE_LINK_MODE_NAME(10000, ER, Full), 162 __DEFINE_LINK_MODE_NAME(2500, T, Full), 163 __DEFINE_LINK_MODE_NAME(5000, T, Full), 164 __DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"), 165 __DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"), 166 __DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"), 167 __DEFINE_LINK_MODE_NAME(50000, KR, Full), 168 __DEFINE_LINK_MODE_NAME(50000, SR, Full), 169 __DEFINE_LINK_MODE_NAME(50000, CR, Full), 170 __DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full), 171 __DEFINE_LINK_MODE_NAME(50000, DR, Full), 172 __DEFINE_LINK_MODE_NAME(100000, KR2, Full), 173 __DEFINE_LINK_MODE_NAME(100000, SR2, Full), 174 __DEFINE_LINK_MODE_NAME(100000, CR2, Full), 175 __DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full), 176 __DEFINE_LINK_MODE_NAME(100000, DR2, Full), 177 __DEFINE_LINK_MODE_NAME(200000, KR4, Full), 178 __DEFINE_LINK_MODE_NAME(200000, SR4, Full), 179 __DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full), 180 __DEFINE_LINK_MODE_NAME(200000, DR4, Full), 181 __DEFINE_LINK_MODE_NAME(200000, CR4, Full), 182 __DEFINE_LINK_MODE_NAME(100, T1, Full), 183 __DEFINE_LINK_MODE_NAME(1000, T1, Full), 184 __DEFINE_LINK_MODE_NAME(400000, KR8, Full), 185 __DEFINE_LINK_MODE_NAME(400000, SR8, Full), 186 __DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full), 187 __DEFINE_LINK_MODE_NAME(400000, DR8, Full), 188 __DEFINE_LINK_MODE_NAME(400000, CR8, Full), 189 __DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"), 190 __DEFINE_LINK_MODE_NAME(100000, KR, Full), 191 __DEFINE_LINK_MODE_NAME(100000, SR, Full), 192 __DEFINE_LINK_MODE_NAME(100000, LR_ER_FR, Full), 193 __DEFINE_LINK_MODE_NAME(100000, DR, Full), 194 __DEFINE_LINK_MODE_NAME(100000, CR, Full), 195 __DEFINE_LINK_MODE_NAME(200000, KR2, Full), 196 __DEFINE_LINK_MODE_NAME(200000, SR2, Full), 197 __DEFINE_LINK_MODE_NAME(200000, LR2_ER2_FR2, Full), 198 __DEFINE_LINK_MODE_NAME(200000, DR2, Full), 199 __DEFINE_LINK_MODE_NAME(200000, CR2, Full), 200 __DEFINE_LINK_MODE_NAME(400000, KR4, Full), 201 __DEFINE_LINK_MODE_NAME(400000, SR4, Full), 202 __DEFINE_LINK_MODE_NAME(400000, LR4_ER4_FR4, Full), 203 __DEFINE_LINK_MODE_NAME(400000, DR4, Full), 204 __DEFINE_LINK_MODE_NAME(400000, CR4, Full), 205 __DEFINE_LINK_MODE_NAME(100, FX, Half), 206 __DEFINE_LINK_MODE_NAME(100, FX, Full), 207 __DEFINE_LINK_MODE_NAME(10, T1L, Full), 208 __DEFINE_LINK_MODE_NAME(800000, CR8, Full), 209 __DEFINE_LINK_MODE_NAME(800000, KR8, Full), 210 __DEFINE_LINK_MODE_NAME(800000, DR8, Full), 211 __DEFINE_LINK_MODE_NAME(800000, DR8_2, Full), 212 __DEFINE_LINK_MODE_NAME(800000, SR8, Full), 213 __DEFINE_LINK_MODE_NAME(800000, VR8, Full), 214 __DEFINE_LINK_MODE_NAME(10, T1S, Full), 215 __DEFINE_LINK_MODE_NAME(10, T1S, Half), 216 __DEFINE_LINK_MODE_NAME(10, T1S_P2MP, Half), 217 __DEFINE_LINK_MODE_NAME(10, T1BRR, Full), 218 __DEFINE_LINK_MODE_NAME(200000, CR, Full), 219 __DEFINE_LINK_MODE_NAME(200000, KR, Full), 220 __DEFINE_LINK_MODE_NAME(200000, DR, Full), 221 __DEFINE_LINK_MODE_NAME(200000, DR_2, Full), 222 __DEFINE_LINK_MODE_NAME(200000, SR, Full), 223 __DEFINE_LINK_MODE_NAME(200000, VR, Full), 224 __DEFINE_LINK_MODE_NAME(400000, CR2, Full), 225 __DEFINE_LINK_MODE_NAME(400000, KR2, Full), 226 __DEFINE_LINK_MODE_NAME(400000, DR2, Full), 227 __DEFINE_LINK_MODE_NAME(400000, DR2_2, Full), 228 __DEFINE_LINK_MODE_NAME(400000, SR2, Full), 229 __DEFINE_LINK_MODE_NAME(400000, VR2, Full), 230 __DEFINE_LINK_MODE_NAME(800000, CR4, Full), 231 __DEFINE_LINK_MODE_NAME(800000, KR4, Full), 232 __DEFINE_LINK_MODE_NAME(800000, DR4, Full), 233 __DEFINE_LINK_MODE_NAME(800000, DR4_2, Full), 234 __DEFINE_LINK_MODE_NAME(800000, SR4, Full), 235 __DEFINE_LINK_MODE_NAME(800000, VR4, Full), 236 }; 237 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS); 238 239 #define __LINK_MODE_LANES_CR 1 240 #define __LINK_MODE_LANES_CR2 2 241 #define __LINK_MODE_LANES_CR4 4 242 #define __LINK_MODE_LANES_CR8 8 243 #define __LINK_MODE_LANES_DR 1 244 #define __LINK_MODE_LANES_DR_2 1 245 #define __LINK_MODE_LANES_DR2 2 246 #define __LINK_MODE_LANES_DR2_2 2 247 #define __LINK_MODE_LANES_DR4 4 248 #define __LINK_MODE_LANES_DR4_2 4 249 #define __LINK_MODE_LANES_DR8 8 250 #define __LINK_MODE_LANES_KR 1 251 #define __LINK_MODE_LANES_KR2 2 252 #define __LINK_MODE_LANES_KR4 4 253 #define __LINK_MODE_LANES_KR8 8 254 #define __LINK_MODE_LANES_SR 1 255 #define __LINK_MODE_LANES_SR2 2 256 #define __LINK_MODE_LANES_SR4 4 257 #define __LINK_MODE_LANES_SR8 8 258 #define __LINK_MODE_LANES_ER 1 259 #define __LINK_MODE_LANES_KX 1 260 #define __LINK_MODE_LANES_KX4 4 261 #define __LINK_MODE_LANES_LR 1 262 #define __LINK_MODE_LANES_LR4 4 263 #define __LINK_MODE_LANES_LR4_ER4 4 264 #define __LINK_MODE_LANES_LR_ER_FR 1 265 #define __LINK_MODE_LANES_LR2_ER2_FR2 2 266 #define __LINK_MODE_LANES_LR4_ER4_FR4 4 267 #define __LINK_MODE_LANES_LR8_ER8_FR8 8 268 #define __LINK_MODE_LANES_LRM 1 269 #define __LINK_MODE_LANES_MLD2 2 270 #define __LINK_MODE_LANES_T 1 271 #define __LINK_MODE_LANES_T1 1 272 #define __LINK_MODE_LANES_X 1 273 #define __LINK_MODE_LANES_FX 1 274 #define __LINK_MODE_LANES_T1L 1 275 #define __LINK_MODE_LANES_T1S 1 276 #define __LINK_MODE_LANES_T1S_P2MP 1 277 #define __LINK_MODE_LANES_VR 1 278 #define __LINK_MODE_LANES_VR2 2 279 #define __LINK_MODE_LANES_VR4 4 280 #define __LINK_MODE_LANES_VR8 8 281 #define __LINK_MODE_LANES_DR8_2 8 282 #define __LINK_MODE_LANES_T1BRR 1 283 284 #define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex) \ 285 [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \ 286 .speed = SPEED_ ## _speed, \ 287 .lanes = __LINK_MODE_LANES_ ## _type, \ 288 .duplex = __DUPLEX_ ## _duplex \ 289 } 290 #define __DUPLEX_Half DUPLEX_HALF 291 #define __DUPLEX_Full DUPLEX_FULL 292 #define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \ 293 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \ 294 .speed = SPEED_UNKNOWN, \ 295 .lanes = 0, \ 296 .duplex = DUPLEX_UNKNOWN, \ 297 } 298 299 const struct link_mode_info link_mode_params[] = { 300 __DEFINE_LINK_MODE_PARAMS(10, T, Half), 301 __DEFINE_LINK_MODE_PARAMS(10, T, Full), 302 __DEFINE_LINK_MODE_PARAMS(100, T, Half), 303 __DEFINE_LINK_MODE_PARAMS(100, T, Full), 304 __DEFINE_LINK_MODE_PARAMS(1000, T, Half), 305 __DEFINE_LINK_MODE_PARAMS(1000, T, Full), 306 __DEFINE_SPECIAL_MODE_PARAMS(Autoneg), 307 __DEFINE_SPECIAL_MODE_PARAMS(TP), 308 __DEFINE_SPECIAL_MODE_PARAMS(AUI), 309 __DEFINE_SPECIAL_MODE_PARAMS(MII), 310 __DEFINE_SPECIAL_MODE_PARAMS(FIBRE), 311 __DEFINE_SPECIAL_MODE_PARAMS(BNC), 312 __DEFINE_LINK_MODE_PARAMS(10000, T, Full), 313 __DEFINE_SPECIAL_MODE_PARAMS(Pause), 314 __DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause), 315 __DEFINE_LINK_MODE_PARAMS(2500, X, Full), 316 __DEFINE_SPECIAL_MODE_PARAMS(Backplane), 317 __DEFINE_LINK_MODE_PARAMS(1000, KX, Full), 318 __DEFINE_LINK_MODE_PARAMS(10000, KX4, Full), 319 __DEFINE_LINK_MODE_PARAMS(10000, KR, Full), 320 [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = { 321 .speed = SPEED_10000, 322 .lanes = 1, 323 .duplex = DUPLEX_FULL, 324 }, 325 __DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full), 326 __DEFINE_LINK_MODE_PARAMS(20000, KR2, Full), 327 __DEFINE_LINK_MODE_PARAMS(40000, KR4, Full), 328 __DEFINE_LINK_MODE_PARAMS(40000, CR4, Full), 329 __DEFINE_LINK_MODE_PARAMS(40000, SR4, Full), 330 __DEFINE_LINK_MODE_PARAMS(40000, LR4, Full), 331 __DEFINE_LINK_MODE_PARAMS(56000, KR4, Full), 332 __DEFINE_LINK_MODE_PARAMS(56000, CR4, Full), 333 __DEFINE_LINK_MODE_PARAMS(56000, SR4, Full), 334 __DEFINE_LINK_MODE_PARAMS(56000, LR4, Full), 335 __DEFINE_LINK_MODE_PARAMS(25000, CR, Full), 336 __DEFINE_LINK_MODE_PARAMS(25000, KR, Full), 337 __DEFINE_LINK_MODE_PARAMS(25000, SR, Full), 338 __DEFINE_LINK_MODE_PARAMS(50000, CR2, Full), 339 __DEFINE_LINK_MODE_PARAMS(50000, KR2, Full), 340 __DEFINE_LINK_MODE_PARAMS(100000, KR4, Full), 341 __DEFINE_LINK_MODE_PARAMS(100000, SR4, Full), 342 __DEFINE_LINK_MODE_PARAMS(100000, CR4, Full), 343 __DEFINE_LINK_MODE_PARAMS(100000, LR4_ER4, Full), 344 __DEFINE_LINK_MODE_PARAMS(50000, SR2, Full), 345 __DEFINE_LINK_MODE_PARAMS(1000, X, Full), 346 __DEFINE_LINK_MODE_PARAMS(10000, CR, Full), 347 __DEFINE_LINK_MODE_PARAMS(10000, SR, Full), 348 __DEFINE_LINK_MODE_PARAMS(10000, LR, Full), 349 __DEFINE_LINK_MODE_PARAMS(10000, LRM, Full), 350 __DEFINE_LINK_MODE_PARAMS(10000, ER, Full), 351 __DEFINE_LINK_MODE_PARAMS(2500, T, Full), 352 __DEFINE_LINK_MODE_PARAMS(5000, T, Full), 353 __DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE), 354 __DEFINE_SPECIAL_MODE_PARAMS(FEC_RS), 355 __DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER), 356 __DEFINE_LINK_MODE_PARAMS(50000, KR, Full), 357 __DEFINE_LINK_MODE_PARAMS(50000, SR, Full), 358 __DEFINE_LINK_MODE_PARAMS(50000, CR, Full), 359 __DEFINE_LINK_MODE_PARAMS(50000, LR_ER_FR, Full), 360 __DEFINE_LINK_MODE_PARAMS(50000, DR, Full), 361 __DEFINE_LINK_MODE_PARAMS(100000, KR2, Full), 362 __DEFINE_LINK_MODE_PARAMS(100000, SR2, Full), 363 __DEFINE_LINK_MODE_PARAMS(100000, CR2, Full), 364 __DEFINE_LINK_MODE_PARAMS(100000, LR2_ER2_FR2, Full), 365 __DEFINE_LINK_MODE_PARAMS(100000, DR2, Full), 366 __DEFINE_LINK_MODE_PARAMS(200000, KR4, Full), 367 __DEFINE_LINK_MODE_PARAMS(200000, SR4, Full), 368 __DEFINE_LINK_MODE_PARAMS(200000, LR4_ER4_FR4, Full), 369 __DEFINE_LINK_MODE_PARAMS(200000, DR4, Full), 370 __DEFINE_LINK_MODE_PARAMS(200000, CR4, Full), 371 __DEFINE_LINK_MODE_PARAMS(100, T1, Full), 372 __DEFINE_LINK_MODE_PARAMS(1000, T1, Full), 373 __DEFINE_LINK_MODE_PARAMS(400000, KR8, Full), 374 __DEFINE_LINK_MODE_PARAMS(400000, SR8, Full), 375 __DEFINE_LINK_MODE_PARAMS(400000, LR8_ER8_FR8, Full), 376 __DEFINE_LINK_MODE_PARAMS(400000, DR8, Full), 377 __DEFINE_LINK_MODE_PARAMS(400000, CR8, Full), 378 __DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS), 379 __DEFINE_LINK_MODE_PARAMS(100000, KR, Full), 380 __DEFINE_LINK_MODE_PARAMS(100000, SR, Full), 381 __DEFINE_LINK_MODE_PARAMS(100000, LR_ER_FR, Full), 382 __DEFINE_LINK_MODE_PARAMS(100000, DR, Full), 383 __DEFINE_LINK_MODE_PARAMS(100000, CR, Full), 384 __DEFINE_LINK_MODE_PARAMS(200000, KR2, Full), 385 __DEFINE_LINK_MODE_PARAMS(200000, SR2, Full), 386 __DEFINE_LINK_MODE_PARAMS(200000, LR2_ER2_FR2, Full), 387 __DEFINE_LINK_MODE_PARAMS(200000, DR2, Full), 388 __DEFINE_LINK_MODE_PARAMS(200000, CR2, Full), 389 __DEFINE_LINK_MODE_PARAMS(400000, KR4, Full), 390 __DEFINE_LINK_MODE_PARAMS(400000, SR4, Full), 391 __DEFINE_LINK_MODE_PARAMS(400000, LR4_ER4_FR4, Full), 392 __DEFINE_LINK_MODE_PARAMS(400000, DR4, Full), 393 __DEFINE_LINK_MODE_PARAMS(400000, CR4, Full), 394 __DEFINE_LINK_MODE_PARAMS(100, FX, Half), 395 __DEFINE_LINK_MODE_PARAMS(100, FX, Full), 396 __DEFINE_LINK_MODE_PARAMS(10, T1L, Full), 397 __DEFINE_LINK_MODE_PARAMS(800000, CR8, Full), 398 __DEFINE_LINK_MODE_PARAMS(800000, KR8, Full), 399 __DEFINE_LINK_MODE_PARAMS(800000, DR8, Full), 400 __DEFINE_LINK_MODE_PARAMS(800000, DR8_2, Full), 401 __DEFINE_LINK_MODE_PARAMS(800000, SR8, Full), 402 __DEFINE_LINK_MODE_PARAMS(800000, VR8, Full), 403 __DEFINE_LINK_MODE_PARAMS(10, T1S, Full), 404 __DEFINE_LINK_MODE_PARAMS(10, T1S, Half), 405 __DEFINE_LINK_MODE_PARAMS(10, T1S_P2MP, Half), 406 __DEFINE_LINK_MODE_PARAMS(10, T1BRR, Full), 407 __DEFINE_LINK_MODE_PARAMS(200000, CR, Full), 408 __DEFINE_LINK_MODE_PARAMS(200000, KR, Full), 409 __DEFINE_LINK_MODE_PARAMS(200000, DR, Full), 410 __DEFINE_LINK_MODE_PARAMS(200000, DR_2, Full), 411 __DEFINE_LINK_MODE_PARAMS(200000, SR, Full), 412 __DEFINE_LINK_MODE_PARAMS(200000, VR, Full), 413 __DEFINE_LINK_MODE_PARAMS(400000, CR2, Full), 414 __DEFINE_LINK_MODE_PARAMS(400000, KR2, Full), 415 __DEFINE_LINK_MODE_PARAMS(400000, DR2, Full), 416 __DEFINE_LINK_MODE_PARAMS(400000, DR2_2, Full), 417 __DEFINE_LINK_MODE_PARAMS(400000, SR2, Full), 418 __DEFINE_LINK_MODE_PARAMS(400000, VR2, Full), 419 __DEFINE_LINK_MODE_PARAMS(800000, CR4, Full), 420 __DEFINE_LINK_MODE_PARAMS(800000, KR4, Full), 421 __DEFINE_LINK_MODE_PARAMS(800000, DR4, Full), 422 __DEFINE_LINK_MODE_PARAMS(800000, DR4_2, Full), 423 __DEFINE_LINK_MODE_PARAMS(800000, SR4, Full), 424 __DEFINE_LINK_MODE_PARAMS(800000, VR4, Full), 425 }; 426 static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS); 427 EXPORT_SYMBOL_GPL(link_mode_params); 428 429 const char netif_msg_class_names[][ETH_GSTRING_LEN] = { 430 [NETIF_MSG_DRV_BIT] = "drv", 431 [NETIF_MSG_PROBE_BIT] = "probe", 432 [NETIF_MSG_LINK_BIT] = "link", 433 [NETIF_MSG_TIMER_BIT] = "timer", 434 [NETIF_MSG_IFDOWN_BIT] = "ifdown", 435 [NETIF_MSG_IFUP_BIT] = "ifup", 436 [NETIF_MSG_RX_ERR_BIT] = "rx_err", 437 [NETIF_MSG_TX_ERR_BIT] = "tx_err", 438 [NETIF_MSG_TX_QUEUED_BIT] = "tx_queued", 439 [NETIF_MSG_INTR_BIT] = "intr", 440 [NETIF_MSG_TX_DONE_BIT] = "tx_done", 441 [NETIF_MSG_RX_STATUS_BIT] = "rx_status", 442 [NETIF_MSG_PKTDATA_BIT] = "pktdata", 443 [NETIF_MSG_HW_BIT] = "hw", 444 [NETIF_MSG_WOL_BIT] = "wol", 445 }; 446 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT); 447 448 const char wol_mode_names[][ETH_GSTRING_LEN] = { 449 [const_ilog2(WAKE_PHY)] = "phy", 450 [const_ilog2(WAKE_UCAST)] = "ucast", 451 [const_ilog2(WAKE_MCAST)] = "mcast", 452 [const_ilog2(WAKE_BCAST)] = "bcast", 453 [const_ilog2(WAKE_ARP)] = "arp", 454 [const_ilog2(WAKE_MAGIC)] = "magic", 455 [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure", 456 [const_ilog2(WAKE_FILTER)] = "filter", 457 }; 458 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT); 459 460 const char sof_timestamping_names[][ETH_GSTRING_LEN] = { 461 [const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)] = "hardware-transmit", 462 [const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)] = "software-transmit", 463 [const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)] = "hardware-receive", 464 [const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)] = "software-receive", 465 [const_ilog2(SOF_TIMESTAMPING_SOFTWARE)] = "software-system-clock", 466 [const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock", 467 [const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock", 468 [const_ilog2(SOF_TIMESTAMPING_OPT_ID)] = "option-id", 469 [const_ilog2(SOF_TIMESTAMPING_TX_SCHED)] = "sched-transmit", 470 [const_ilog2(SOF_TIMESTAMPING_TX_ACK)] = "ack-transmit", 471 [const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)] = "option-cmsg", 472 [const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)] = "option-tsonly", 473 [const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats", 474 [const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo", 475 [const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw", 476 [const_ilog2(SOF_TIMESTAMPING_BIND_PHC)] = "bind-phc", 477 [const_ilog2(SOF_TIMESTAMPING_OPT_ID_TCP)] = "option-id-tcp", 478 [const_ilog2(SOF_TIMESTAMPING_OPT_RX_FILTER)] = "option-rx-filter", 479 }; 480 static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT); 481 482 const char ts_tx_type_names[][ETH_GSTRING_LEN] = { 483 [HWTSTAMP_TX_OFF] = "off", 484 [HWTSTAMP_TX_ON] = "on", 485 [HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync", 486 [HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p", 487 }; 488 static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT); 489 490 const char ts_rx_filter_names[][ETH_GSTRING_LEN] = { 491 [HWTSTAMP_FILTER_NONE] = "none", 492 [HWTSTAMP_FILTER_ALL] = "all", 493 [HWTSTAMP_FILTER_SOME] = "some", 494 [HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event", 495 [HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync", 496 [HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req", 497 [HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event", 498 [HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync", 499 [HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req", 500 [HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event", 501 [HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync", 502 [HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req", 503 [HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event", 504 [HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync", 505 [HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req", 506 [HWTSTAMP_FILTER_NTP_ALL] = "ntp-all", 507 }; 508 static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT); 509 510 const char ts_flags_names[][ETH_GSTRING_LEN] = { 511 [const_ilog2(HWTSTAMP_FLAG_BONDED_PHC_INDEX)] = "bonded-phc-index", 512 }; 513 static_assert(ARRAY_SIZE(ts_flags_names) == __HWTSTAMP_FLAG_CNT); 514 515 const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = { 516 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN] = "vxlan", 517 [ETHTOOL_UDP_TUNNEL_TYPE_GENEVE] = "geneve", 518 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE] = "vxlan-gpe", 519 }; 520 static_assert(ARRAY_SIZE(udp_tunnel_type_names) == 521 __ETHTOOL_UDP_TUNNEL_TYPE_CNT); 522 523 /* return false if legacy contained non-0 deprecated fields 524 * maxtxpkt/maxrxpkt. rest of ksettings always updated 525 */ 526 bool 527 convert_legacy_settings_to_link_ksettings( 528 struct ethtool_link_ksettings *link_ksettings, 529 const struct ethtool_cmd *legacy_settings) 530 { 531 bool retval = true; 532 533 memset(link_ksettings, 0, sizeof(*link_ksettings)); 534 535 /* This is used to tell users that driver is still using these 536 * deprecated legacy fields, and they should not use 537 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS 538 */ 539 if (legacy_settings->maxtxpkt || 540 legacy_settings->maxrxpkt) 541 retval = false; 542 543 ethtool_convert_legacy_u32_to_link_mode( 544 link_ksettings->link_modes.supported, 545 legacy_settings->supported); 546 ethtool_convert_legacy_u32_to_link_mode( 547 link_ksettings->link_modes.advertising, 548 legacy_settings->advertising); 549 ethtool_convert_legacy_u32_to_link_mode( 550 link_ksettings->link_modes.lp_advertising, 551 legacy_settings->lp_advertising); 552 link_ksettings->base.speed 553 = ethtool_cmd_speed(legacy_settings); 554 link_ksettings->base.duplex 555 = legacy_settings->duplex; 556 link_ksettings->base.port 557 = legacy_settings->port; 558 link_ksettings->base.phy_address 559 = legacy_settings->phy_address; 560 link_ksettings->base.autoneg 561 = legacy_settings->autoneg; 562 link_ksettings->base.mdio_support 563 = legacy_settings->mdio_support; 564 link_ksettings->base.eth_tp_mdix 565 = legacy_settings->eth_tp_mdix; 566 link_ksettings->base.eth_tp_mdix_ctrl 567 = legacy_settings->eth_tp_mdix_ctrl; 568 return retval; 569 } 570 571 int __ethtool_get_link(struct net_device *dev) 572 { 573 if (!dev->ethtool_ops->get_link) 574 return -EOPNOTSUPP; 575 576 return netif_running(dev) && dev->ethtool_ops->get_link(dev); 577 } 578 579 static int ethtool_get_rxnfc_rule_count(struct net_device *dev) 580 { 581 const struct ethtool_ops *ops = dev->ethtool_ops; 582 struct ethtool_rxnfc info = { 583 .cmd = ETHTOOL_GRXCLSRLCNT, 584 }; 585 int err; 586 587 err = ops->get_rxnfc(dev, &info, NULL); 588 if (err) 589 return err; 590 591 return info.rule_cnt; 592 } 593 594 /* Max offset for one RSS context */ 595 static u32 ethtool_get_rss_ctx_max_channel(struct ethtool_rxfh_context *ctx) 596 { 597 u32 max_ring = 0; 598 u32 i, *tbl; 599 600 if (WARN_ON_ONCE(!ctx)) 601 return 0; 602 tbl = ethtool_rxfh_context_indir(ctx); 603 for (i = 0; i < ctx->indir_size; i++) 604 max_ring = max(max_ring, tbl[i]); 605 return max_ring; 606 } 607 608 static int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max) 609 { 610 const struct ethtool_ops *ops = dev->ethtool_ops; 611 struct ethtool_rxnfc *info; 612 int err, i, rule_cnt; 613 u64 max_ring = 0; 614 615 if (!ops->get_rxnfc) 616 return -EOPNOTSUPP; 617 618 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 619 if (rule_cnt <= 0) 620 return -EINVAL; 621 622 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); 623 if (!info) 624 return -ENOMEM; 625 626 info->cmd = ETHTOOL_GRXCLSRLALL; 627 info->rule_cnt = rule_cnt; 628 err = ops->get_rxnfc(dev, info, info->rule_locs); 629 if (err) 630 goto err_free_info; 631 632 for (i = 0; i < rule_cnt; i++) { 633 struct ethtool_rxnfc rule_info = { 634 .cmd = ETHTOOL_GRXCLSRULE, 635 .fs.location = info->rule_locs[i], 636 }; 637 638 err = ops->get_rxnfc(dev, &rule_info, NULL); 639 if (err) 640 goto err_free_info; 641 642 if (rule_info.fs.ring_cookie != RX_CLS_FLOW_DISC && 643 rule_info.fs.ring_cookie != RX_CLS_FLOW_WAKE && 644 !ethtool_get_flow_spec_ring_vf(rule_info.fs.ring_cookie)) { 645 u64 ring = rule_info.fs.ring_cookie; 646 647 if (rule_info.flow_type & FLOW_RSS) { 648 struct ethtool_rxfh_context *ctx; 649 650 ctx = xa_load(&dev->ethtool->rss_ctx, 651 rule_info.rss_context); 652 ring += ethtool_get_rss_ctx_max_channel(ctx); 653 } 654 max_ring = max_t(u64, max_ring, ring); 655 } 656 } 657 658 kvfree(info); 659 *max = max_ring; 660 return 0; 661 662 err_free_info: 663 kvfree(info); 664 return err; 665 } 666 667 /* Max offset across all of a device's RSS contexts */ 668 static u32 ethtool_get_max_rss_ctx_channel(struct net_device *dev) 669 { 670 struct ethtool_rxfh_context *ctx; 671 unsigned long context; 672 u32 max_ring = 0; 673 674 mutex_lock(&dev->ethtool->rss_lock); 675 xa_for_each(&dev->ethtool->rss_ctx, context, ctx) 676 max_ring = max(max_ring, ethtool_get_rss_ctx_max_channel(ctx)); 677 mutex_unlock(&dev->ethtool->rss_lock); 678 679 return max_ring; 680 } 681 682 static u32 ethtool_get_max_rxfh_channel(struct net_device *dev) 683 { 684 struct ethtool_rxfh_param rxfh = {}; 685 u32 dev_size, current_max = 0; 686 int ret; 687 688 /* While we do track whether RSS context has an indirection 689 * table explicitly set by the user, no driver looks at that bit. 690 * Assume drivers won't auto-regenerate the additional tables, 691 * to be safe. 692 */ 693 current_max = ethtool_get_max_rss_ctx_channel(dev); 694 695 if (!netif_is_rxfh_configured(dev)) 696 return current_max; 697 698 if (!dev->ethtool_ops->get_rxfh_indir_size || 699 !dev->ethtool_ops->get_rxfh) 700 return current_max; 701 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); 702 if (dev_size == 0) 703 return current_max; 704 705 rxfh.indir = kcalloc(dev_size, sizeof(rxfh.indir[0]), GFP_USER); 706 if (!rxfh.indir) 707 return U32_MAX; 708 709 ret = dev->ethtool_ops->get_rxfh(dev, &rxfh); 710 if (ret) { 711 current_max = U32_MAX; 712 goto out_free; 713 } 714 715 while (dev_size--) 716 current_max = max(current_max, rxfh.indir[dev_size]); 717 718 out_free: 719 kfree(rxfh.indir); 720 return current_max; 721 } 722 723 int ethtool_check_max_channel(struct net_device *dev, 724 struct ethtool_channels channels, 725 struct genl_info *info) 726 { 727 u64 max_rxnfc_in_use; 728 u32 max_rxfh_in_use; 729 int max_mp_in_use; 730 731 /* ensure the new Rx count fits within the configured Rx flow 732 * indirection table/rxnfc settings 733 */ 734 if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use)) 735 max_rxnfc_in_use = 0; 736 max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev); 737 if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) { 738 if (info) 739 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use); 740 return -EINVAL; 741 } 742 if (channels.combined_count + channels.rx_count <= max_rxnfc_in_use) { 743 if (info) 744 GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings"); 745 return -EINVAL; 746 } 747 748 max_mp_in_use = dev_get_min_mp_channel_count(dev); 749 if (channels.combined_count + channels.rx_count <= max_mp_in_use) { 750 if (info) 751 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use); 752 return -EINVAL; 753 } 754 755 return 0; 756 } 757 758 int ethtool_check_rss_ctx_busy(struct net_device *dev, u32 rss_context) 759 { 760 const struct ethtool_ops *ops = dev->ethtool_ops; 761 struct ethtool_rxnfc *info; 762 int rc, i, rule_cnt; 763 764 if (!ops->get_rxnfc) 765 return 0; 766 767 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 768 if (!rule_cnt) 769 return 0; 770 771 if (rule_cnt < 0) 772 return -EINVAL; 773 774 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); 775 if (!info) 776 return -ENOMEM; 777 778 info->cmd = ETHTOOL_GRXCLSRLALL; 779 info->rule_cnt = rule_cnt; 780 rc = ops->get_rxnfc(dev, info, info->rule_locs); 781 if (rc) 782 goto out_free; 783 784 for (i = 0; i < rule_cnt; i++) { 785 struct ethtool_rxnfc rule_info = { 786 .cmd = ETHTOOL_GRXCLSRULE, 787 .fs.location = info->rule_locs[i], 788 }; 789 790 rc = ops->get_rxnfc(dev, &rule_info, NULL); 791 if (rc) 792 goto out_free; 793 794 if (rule_info.fs.flow_type & FLOW_RSS && 795 rule_info.rss_context == rss_context) { 796 rc = -EBUSY; 797 goto out_free; 798 } 799 } 800 801 out_free: 802 kvfree(info); 803 return rc; 804 } 805 806 int ethtool_check_ops(const struct ethtool_ops *ops) 807 { 808 if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params)) 809 return -EINVAL; 810 if (WARN_ON(ops->rxfh_max_num_contexts == 1)) 811 return -EINVAL; 812 /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime, 813 * the fact that ops are checked at registration time does not 814 * mean the ops attached to a netdev later on are sane. 815 */ 816 return 0; 817 } 818 819 void ethtool_ringparam_get_cfg(struct net_device *dev, 820 struct ethtool_ringparam *param, 821 struct kernel_ethtool_ringparam *kparam, 822 struct netlink_ext_ack *extack) 823 { 824 memset(param, 0, sizeof(*param)); 825 memset(kparam, 0, sizeof(*kparam)); 826 827 param->cmd = ETHTOOL_GRINGPARAM; 828 dev->ethtool_ops->get_ringparam(dev, param, kparam, extack); 829 830 /* Driver gives us current state, we want to return current config */ 831 kparam->tcp_data_split = dev->cfg->hds_config; 832 } 833 834 static void ethtool_init_tsinfo(struct kernel_ethtool_ts_info *info) 835 { 836 memset(info, 0, sizeof(*info)); 837 info->cmd = ETHTOOL_GET_TS_INFO; 838 info->phc_index = -1; 839 } 840 841 int ethtool_net_get_ts_info_by_phc(struct net_device *dev, 842 struct kernel_ethtool_ts_info *info, 843 struct hwtstamp_provider_desc *hwprov_desc) 844 { 845 const struct ethtool_ops *ops = dev->ethtool_ops; 846 int err; 847 848 if (!ops->get_ts_info) 849 return -ENODEV; 850 851 /* Does ptp comes from netdev */ 852 ethtool_init_tsinfo(info); 853 info->phc_qualifier = hwprov_desc->qualifier; 854 err = ops->get_ts_info(dev, info); 855 if (err) 856 return err; 857 858 if (info->phc_index == hwprov_desc->index && 859 net_support_hwtstamp_qualifier(dev, hwprov_desc->qualifier)) 860 return 0; 861 862 return -ENODEV; 863 } 864 865 struct phy_device * 866 ethtool_phy_get_ts_info_by_phc(struct net_device *dev, 867 struct kernel_ethtool_ts_info *info, 868 struct hwtstamp_provider_desc *hwprov_desc) 869 { 870 int err; 871 872 /* Only precise qualifier is supported in phydev */ 873 if (hwprov_desc->qualifier != HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 874 return ERR_PTR(-ENODEV); 875 876 /* Look in the phy topology */ 877 if (dev->link_topo) { 878 struct phy_device_node *pdn; 879 unsigned long phy_index; 880 881 xa_for_each(&dev->link_topo->phys, phy_index, pdn) { 882 if (!phy_has_tsinfo(pdn->phy)) 883 continue; 884 885 ethtool_init_tsinfo(info); 886 err = phy_ts_info(pdn->phy, info); 887 if (err) 888 return ERR_PTR(err); 889 890 if (info->phc_index == hwprov_desc->index) 891 return pdn->phy; 892 } 893 return ERR_PTR(-ENODEV); 894 } 895 896 /* Look on the dev->phydev */ 897 if (phy_has_tsinfo(dev->phydev)) { 898 ethtool_init_tsinfo(info); 899 err = phy_ts_info(dev->phydev, info); 900 if (err) 901 return ERR_PTR(err); 902 903 if (info->phc_index == hwprov_desc->index) 904 return dev->phydev; 905 } 906 907 return ERR_PTR(-ENODEV); 908 } 909 910 int ethtool_get_ts_info_by_phc(struct net_device *dev, 911 struct kernel_ethtool_ts_info *info, 912 struct hwtstamp_provider_desc *hwprov_desc) 913 { 914 int err; 915 916 err = ethtool_net_get_ts_info_by_phc(dev, info, hwprov_desc); 917 if (err == -ENODEV) { 918 struct phy_device *phy; 919 920 phy = ethtool_phy_get_ts_info_by_phc(dev, info, hwprov_desc); 921 if (IS_ERR(phy)) 922 err = PTR_ERR(phy); 923 else 924 err = 0; 925 } 926 927 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 928 SOF_TIMESTAMPING_SOFTWARE; 929 930 return err; 931 } 932 933 int __ethtool_get_ts_info(struct net_device *dev, 934 struct kernel_ethtool_ts_info *info) 935 { 936 struct hwtstamp_provider *hwprov; 937 int err = 0; 938 939 rcu_read_lock(); 940 hwprov = rcu_dereference(dev->hwprov); 941 /* No provider specified, use default behavior */ 942 if (!hwprov) { 943 const struct ethtool_ops *ops = dev->ethtool_ops; 944 struct phy_device *phydev = dev->phydev; 945 946 ethtool_init_tsinfo(info); 947 if (phy_is_default_hwtstamp(phydev) && 948 phy_has_tsinfo(phydev)) 949 err = phy_ts_info(phydev, info); 950 else if (ops->get_ts_info) 951 err = ops->get_ts_info(dev, info); 952 953 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 954 SOF_TIMESTAMPING_SOFTWARE; 955 956 rcu_read_unlock(); 957 return err; 958 } 959 960 err = ethtool_get_ts_info_by_phc(dev, info, &hwprov->desc); 961 rcu_read_unlock(); 962 return err; 963 } 964 965 bool net_support_hwtstamp_qualifier(struct net_device *dev, 966 enum hwtstamp_provider_qualifier qualifier) 967 { 968 const struct ethtool_ops *ops = dev->ethtool_ops; 969 970 if (!ops) 971 return false; 972 973 /* Return true with precise qualifier and with NIC without 974 * qualifier description to not break the old behavior. 975 */ 976 if (!ops->supported_hwtstamp_qualifiers && 977 qualifier == HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 978 return true; 979 980 if (ops->supported_hwtstamp_qualifiers & BIT(qualifier)) 981 return true; 982 983 return false; 984 } 985 986 int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index) 987 { 988 struct kernel_ethtool_ts_info info = { }; 989 int num = 0; 990 991 if (!__ethtool_get_ts_info(dev, &info)) 992 num = ptp_get_vclocks_index(info.phc_index, vclock_index); 993 994 return num; 995 } 996 EXPORT_SYMBOL(ethtool_get_phc_vclocks); 997 998 int ethtool_get_ts_info_by_layer(struct net_device *dev, struct kernel_ethtool_ts_info *info) 999 { 1000 return __ethtool_get_ts_info(dev, info); 1001 } 1002 EXPORT_SYMBOL(ethtool_get_ts_info_by_layer); 1003 1004 const struct ethtool_phy_ops *ethtool_phy_ops; 1005 1006 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops) 1007 { 1008 ASSERT_RTNL(); 1009 ethtool_phy_ops = ops; 1010 } 1011 EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops); 1012 1013 void 1014 ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, 1015 enum ethtool_link_mode_bit_indices link_mode) 1016 { 1017 const struct link_mode_info *link_info; 1018 1019 if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS)) 1020 return; 1021 1022 link_info = &link_mode_params[link_mode]; 1023 link_ksettings->base.speed = link_info->speed; 1024 link_ksettings->lanes = link_info->lanes; 1025 link_ksettings->base.duplex = link_info->duplex; 1026 } 1027 EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode); 1028 1029 /** 1030 * ethtool_forced_speed_maps_init 1031 * @maps: Pointer to an array of Ethtool forced speed map 1032 * @size: Array size 1033 * 1034 * Initialize an array of Ethtool forced speed map to Ethtool link modes. This 1035 * should be called during driver module init. 1036 */ 1037 void 1038 ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size) 1039 { 1040 for (u32 i = 0; i < size; i++) { 1041 struct ethtool_forced_speed_map *map = &maps[i]; 1042 1043 linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps); 1044 map->cap_arr = NULL; 1045 map->arr_size = 0; 1046 } 1047 } 1048 EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init); 1049 1050 void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id) 1051 { 1052 struct ethtool_rxfh_context *ctx; 1053 1054 WARN_ONCE(!rtnl_is_locked() && 1055 !lockdep_is_held_type(&dev->ethtool->rss_lock, -1), 1056 "RSS context lock assertion failed\n"); 1057 1058 netdev_err(dev, "device error, RSS context %d lost\n", context_id); 1059 ctx = xa_erase(&dev->ethtool->rss_ctx, context_id); 1060 kfree(ctx); 1061 } 1062 EXPORT_SYMBOL(ethtool_rxfh_context_lost); 1063