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