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 [const_ilog2(SOF_TIMESTAMPING_TX_COMPLETION)] = "tx-completion", 480 }; 481 static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT); 482 483 const char ts_tx_type_names[][ETH_GSTRING_LEN] = { 484 [HWTSTAMP_TX_OFF] = "off", 485 [HWTSTAMP_TX_ON] = "on", 486 [HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync", 487 [HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p", 488 }; 489 static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT); 490 491 const char ts_rx_filter_names[][ETH_GSTRING_LEN] = { 492 [HWTSTAMP_FILTER_NONE] = "none", 493 [HWTSTAMP_FILTER_ALL] = "all", 494 [HWTSTAMP_FILTER_SOME] = "some", 495 [HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event", 496 [HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync", 497 [HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req", 498 [HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event", 499 [HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync", 500 [HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req", 501 [HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event", 502 [HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync", 503 [HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req", 504 [HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event", 505 [HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync", 506 [HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req", 507 [HWTSTAMP_FILTER_NTP_ALL] = "ntp-all", 508 }; 509 static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT); 510 511 const char ts_flags_names[][ETH_GSTRING_LEN] = { 512 [const_ilog2(HWTSTAMP_FLAG_BONDED_PHC_INDEX)] = "bonded-phc-index", 513 }; 514 static_assert(ARRAY_SIZE(ts_flags_names) == __HWTSTAMP_FLAG_CNT); 515 516 const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = { 517 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN] = "vxlan", 518 [ETHTOOL_UDP_TUNNEL_TYPE_GENEVE] = "geneve", 519 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE] = "vxlan-gpe", 520 }; 521 static_assert(ARRAY_SIZE(udp_tunnel_type_names) == 522 __ETHTOOL_UDP_TUNNEL_TYPE_CNT); 523 524 /* return false if legacy contained non-0 deprecated fields 525 * maxtxpkt/maxrxpkt. rest of ksettings always updated 526 */ 527 bool 528 convert_legacy_settings_to_link_ksettings( 529 struct ethtool_link_ksettings *link_ksettings, 530 const struct ethtool_cmd *legacy_settings) 531 { 532 bool retval = true; 533 534 memset(link_ksettings, 0, sizeof(*link_ksettings)); 535 536 /* This is used to tell users that driver is still using these 537 * deprecated legacy fields, and they should not use 538 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS 539 */ 540 if (legacy_settings->maxtxpkt || 541 legacy_settings->maxrxpkt) 542 retval = false; 543 544 ethtool_convert_legacy_u32_to_link_mode( 545 link_ksettings->link_modes.supported, 546 legacy_settings->supported); 547 ethtool_convert_legacy_u32_to_link_mode( 548 link_ksettings->link_modes.advertising, 549 legacy_settings->advertising); 550 ethtool_convert_legacy_u32_to_link_mode( 551 link_ksettings->link_modes.lp_advertising, 552 legacy_settings->lp_advertising); 553 link_ksettings->base.speed 554 = ethtool_cmd_speed(legacy_settings); 555 link_ksettings->base.duplex 556 = legacy_settings->duplex; 557 link_ksettings->base.port 558 = legacy_settings->port; 559 link_ksettings->base.phy_address 560 = legacy_settings->phy_address; 561 link_ksettings->base.autoneg 562 = legacy_settings->autoneg; 563 link_ksettings->base.mdio_support 564 = legacy_settings->mdio_support; 565 link_ksettings->base.eth_tp_mdix 566 = legacy_settings->eth_tp_mdix; 567 link_ksettings->base.eth_tp_mdix_ctrl 568 = legacy_settings->eth_tp_mdix_ctrl; 569 return retval; 570 } 571 572 int __ethtool_get_link(struct net_device *dev) 573 { 574 if (!dev->ethtool_ops->get_link) 575 return -EOPNOTSUPP; 576 577 return netif_running(dev) && dev->ethtool_ops->get_link(dev); 578 } 579 580 int ethtool_get_rx_ring_count(struct net_device *dev) 581 { 582 const struct ethtool_ops *ops = dev->ethtool_ops; 583 struct ethtool_rxnfc rx_rings = {}; 584 int ret; 585 586 if (ops->get_rx_ring_count) 587 return ops->get_rx_ring_count(dev); 588 589 if (!ops->get_rxnfc) 590 return -EOPNOTSUPP; 591 592 rx_rings.cmd = ETHTOOL_GRXRINGS; 593 ret = ops->get_rxnfc(dev, &rx_rings, NULL); 594 if (ret < 0) 595 return ret; 596 597 return rx_rings.data; 598 } 599 600 static int ethtool_get_rxnfc_rule_count(struct net_device *dev) 601 { 602 const struct ethtool_ops *ops = dev->ethtool_ops; 603 struct ethtool_rxnfc info = { 604 .cmd = ETHTOOL_GRXCLSRLCNT, 605 }; 606 int err; 607 608 err = ops->get_rxnfc(dev, &info, NULL); 609 if (err) 610 return err; 611 612 return info.rule_cnt; 613 } 614 615 /* Max offset for one RSS context */ 616 static u32 ethtool_get_rss_ctx_max_channel(struct ethtool_rxfh_context *ctx) 617 { 618 u32 max_ring = 0; 619 u32 i, *tbl; 620 621 if (WARN_ON_ONCE(!ctx)) 622 return 0; 623 tbl = ethtool_rxfh_context_indir(ctx); 624 for (i = 0; i < ctx->indir_size; i++) 625 max_ring = max(max_ring, tbl[i]); 626 return max_ring; 627 } 628 629 static int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max) 630 { 631 const struct ethtool_ops *ops = dev->ethtool_ops; 632 struct ethtool_rxnfc *info; 633 int err, i, rule_cnt; 634 u64 max_ring = 0; 635 636 if (!ops->get_rxnfc) 637 return -EOPNOTSUPP; 638 639 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 640 if (rule_cnt <= 0) 641 return -EINVAL; 642 643 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); 644 if (!info) 645 return -ENOMEM; 646 647 info->cmd = ETHTOOL_GRXCLSRLALL; 648 info->rule_cnt = rule_cnt; 649 err = ops->get_rxnfc(dev, info, info->rule_locs); 650 if (err) 651 goto err_free_info; 652 653 for (i = 0; i < rule_cnt; i++) { 654 struct ethtool_rxnfc rule_info = { 655 .cmd = ETHTOOL_GRXCLSRULE, 656 .fs.location = info->rule_locs[i], 657 }; 658 659 err = ops->get_rxnfc(dev, &rule_info, NULL); 660 if (err) 661 goto err_free_info; 662 663 if (rule_info.fs.ring_cookie != RX_CLS_FLOW_DISC && 664 rule_info.fs.ring_cookie != RX_CLS_FLOW_WAKE && 665 !ethtool_get_flow_spec_ring_vf(rule_info.fs.ring_cookie)) { 666 u64 ring = rule_info.fs.ring_cookie; 667 668 if (rule_info.flow_type & FLOW_RSS) { 669 struct ethtool_rxfh_context *ctx; 670 671 ctx = xa_load(&dev->ethtool->rss_ctx, 672 rule_info.rss_context); 673 ring += ethtool_get_rss_ctx_max_channel(ctx); 674 } 675 max_ring = max_t(u64, max_ring, ring); 676 } 677 } 678 679 kvfree(info); 680 *max = max_ring; 681 return 0; 682 683 err_free_info: 684 kvfree(info); 685 return err; 686 } 687 688 /* Max offset across all of a device's RSS contexts */ 689 static u32 ethtool_get_max_rss_ctx_channel(struct net_device *dev) 690 { 691 struct ethtool_rxfh_context *ctx; 692 unsigned long context; 693 u32 max_ring = 0; 694 695 mutex_lock(&dev->ethtool->rss_lock); 696 xa_for_each(&dev->ethtool->rss_ctx, context, ctx) 697 max_ring = max(max_ring, ethtool_get_rss_ctx_max_channel(ctx)); 698 mutex_unlock(&dev->ethtool->rss_lock); 699 700 return max_ring; 701 } 702 703 static u32 ethtool_get_max_rxfh_channel(struct net_device *dev) 704 { 705 struct ethtool_rxfh_param rxfh = {}; 706 u32 dev_size, current_max = 0; 707 int ret; 708 709 /* While we do track whether RSS context has an indirection 710 * table explicitly set by the user, no driver looks at that bit. 711 * Assume drivers won't auto-regenerate the additional tables, 712 * to be safe. 713 */ 714 current_max = ethtool_get_max_rss_ctx_channel(dev); 715 716 if (!netif_is_rxfh_configured(dev)) 717 return current_max; 718 719 if (!dev->ethtool_ops->get_rxfh_indir_size || 720 !dev->ethtool_ops->get_rxfh) 721 return current_max; 722 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); 723 if (dev_size == 0) 724 return current_max; 725 726 rxfh.indir = kcalloc(dev_size, sizeof(rxfh.indir[0]), GFP_USER); 727 if (!rxfh.indir) 728 return U32_MAX; 729 730 mutex_lock(&dev->ethtool->rss_lock); 731 ret = dev->ethtool_ops->get_rxfh(dev, &rxfh); 732 mutex_unlock(&dev->ethtool->rss_lock); 733 if (ret) { 734 current_max = U32_MAX; 735 goto out_free; 736 } 737 738 while (dev_size--) 739 current_max = max(current_max, rxfh.indir[dev_size]); 740 741 out_free: 742 kfree(rxfh.indir); 743 return current_max; 744 } 745 746 int ethtool_check_max_channel(struct net_device *dev, 747 struct ethtool_channels channels, 748 struct genl_info *info) 749 { 750 u64 max_rxnfc_in_use; 751 u32 max_rxfh_in_use; 752 int max_mp_in_use; 753 754 /* ensure the new Rx count fits within the configured Rx flow 755 * indirection table/rxnfc settings 756 */ 757 if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use)) 758 max_rxnfc_in_use = 0; 759 max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev); 760 if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) { 761 if (info) 762 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use); 763 return -EINVAL; 764 } 765 if (channels.combined_count + channels.rx_count <= max_rxnfc_in_use) { 766 if (info) 767 GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings"); 768 return -EINVAL; 769 } 770 771 max_mp_in_use = dev_get_min_mp_channel_count(dev); 772 if (channels.combined_count + channels.rx_count <= max_mp_in_use) { 773 if (info) 774 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use); 775 return -EINVAL; 776 } 777 778 return 0; 779 } 780 781 int ethtool_check_rss_ctx_busy(struct net_device *dev, u32 rss_context) 782 { 783 const struct ethtool_ops *ops = dev->ethtool_ops; 784 struct ethtool_rxnfc *info; 785 int rc, i, rule_cnt; 786 787 if (!ops->get_rxnfc) 788 return 0; 789 790 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 791 if (!rule_cnt) 792 return 0; 793 794 if (rule_cnt < 0) 795 return -EINVAL; 796 797 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); 798 if (!info) 799 return -ENOMEM; 800 801 info->cmd = ETHTOOL_GRXCLSRLALL; 802 info->rule_cnt = rule_cnt; 803 rc = ops->get_rxnfc(dev, info, info->rule_locs); 804 if (rc) 805 goto out_free; 806 807 for (i = 0; i < rule_cnt; i++) { 808 struct ethtool_rxnfc rule_info = { 809 .cmd = ETHTOOL_GRXCLSRULE, 810 .fs.location = info->rule_locs[i], 811 }; 812 813 rc = ops->get_rxnfc(dev, &rule_info, NULL); 814 if (rc) 815 goto out_free; 816 817 if (rule_info.fs.flow_type & FLOW_RSS && 818 rule_info.rss_context == rss_context) { 819 rc = -EBUSY; 820 goto out_free; 821 } 822 } 823 824 out_free: 825 kvfree(info); 826 return rc; 827 } 828 829 struct ethtool_rxfh_context * 830 ethtool_rxfh_ctx_alloc(const struct ethtool_ops *ops, 831 u32 indir_size, u32 key_size) 832 { 833 size_t indir_bytes, flex_len, key_off, size; 834 struct ethtool_rxfh_context *ctx; 835 u32 priv_bytes, indir_max; 836 u16 key_max; 837 838 key_max = max(key_size, ops->rxfh_key_space); 839 indir_max = max(indir_size, ops->rxfh_indir_space); 840 841 priv_bytes = ALIGN(ops->rxfh_priv_size, sizeof(u32)); 842 indir_bytes = array_size(indir_max, sizeof(u32)); 843 844 key_off = size_add(priv_bytes, indir_bytes); 845 flex_len = size_add(key_off, key_max); 846 size = struct_size_t(struct ethtool_rxfh_context, data, flex_len); 847 848 ctx = kzalloc(size, GFP_KERNEL_ACCOUNT); 849 if (!ctx) 850 return NULL; 851 852 ctx->indir_size = indir_size; 853 ctx->key_size = key_size; 854 ctx->key_off = key_off; 855 ctx->priv_size = ops->rxfh_priv_size; 856 857 ctx->hfunc = ETH_RSS_HASH_NO_CHANGE; 858 ctx->input_xfrm = RXH_XFRM_NO_CHANGE; 859 860 return ctx; 861 } 862 863 /* Check if fields configured for flow hash are symmetric - if src is included 864 * so is dst and vice versa. 865 */ 866 int ethtool_rxfh_config_is_sym(u64 rxfh) 867 { 868 bool sym; 869 870 sym = rxfh == (rxfh & (RXH_IP_SRC | RXH_IP_DST | 871 RXH_L4_B_0_1 | RXH_L4_B_2_3)); 872 sym &= !!(rxfh & RXH_IP_SRC) == !!(rxfh & RXH_IP_DST); 873 sym &= !!(rxfh & RXH_L4_B_0_1) == !!(rxfh & RXH_L4_B_2_3); 874 875 return sym; 876 } 877 878 int ethtool_check_ops(const struct ethtool_ops *ops) 879 { 880 if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params)) 881 return -EINVAL; 882 if (WARN_ON(ops->rxfh_max_num_contexts == 1)) 883 return -EINVAL; 884 if (WARN_ON(ops->supported_input_xfrm && !ops->get_rxfh_fields)) 885 return -EINVAL; 886 if (WARN_ON(ops->supported_input_xfrm && 887 ops->rxfh_per_ctx_fields != ops->rxfh_per_ctx_key)) 888 return -EINVAL; 889 890 /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime, 891 * the fact that ops are checked at registration time does not 892 * mean the ops attached to a netdev later on are sane. 893 */ 894 return 0; 895 } 896 897 void ethtool_ringparam_get_cfg(struct net_device *dev, 898 struct ethtool_ringparam *param, 899 struct kernel_ethtool_ringparam *kparam, 900 struct netlink_ext_ack *extack) 901 { 902 memset(param, 0, sizeof(*param)); 903 memset(kparam, 0, sizeof(*kparam)); 904 905 param->cmd = ETHTOOL_GRINGPARAM; 906 dev->ethtool_ops->get_ringparam(dev, param, kparam, extack); 907 908 /* Driver gives us current state, we want to return current config */ 909 kparam->tcp_data_split = dev->cfg->hds_config; 910 kparam->hds_thresh = dev->cfg->hds_thresh; 911 } 912 913 static void ethtool_init_tsinfo(struct kernel_ethtool_ts_info *info) 914 { 915 memset(info, 0, sizeof(*info)); 916 info->cmd = ETHTOOL_GET_TS_INFO; 917 info->phc_index = -1; 918 } 919 920 int ethtool_net_get_ts_info_by_phc(struct net_device *dev, 921 struct kernel_ethtool_ts_info *info, 922 struct hwtstamp_provider_desc *hwprov_desc) 923 { 924 const struct ethtool_ops *ops = dev->ethtool_ops; 925 int err; 926 927 if (!ops->get_ts_info) 928 return -EOPNOTSUPP; 929 930 /* Does ptp comes from netdev */ 931 ethtool_init_tsinfo(info); 932 info->phc_qualifier = hwprov_desc->qualifier; 933 err = ops->get_ts_info(dev, info); 934 if (err) 935 return err; 936 937 if (info->phc_index == hwprov_desc->index && 938 net_support_hwtstamp_qualifier(dev, hwprov_desc->qualifier)) 939 return 0; 940 941 return -ENODEV; 942 } 943 944 struct phy_device * 945 ethtool_phy_get_ts_info_by_phc(struct net_device *dev, 946 struct kernel_ethtool_ts_info *info, 947 struct hwtstamp_provider_desc *hwprov_desc) 948 { 949 int err; 950 951 /* Only precise qualifier is supported in phydev */ 952 if (hwprov_desc->qualifier != HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 953 return ERR_PTR(-ENODEV); 954 955 /* Look in the phy topology */ 956 if (dev->link_topo) { 957 struct phy_device_node *pdn; 958 unsigned long phy_index; 959 960 xa_for_each(&dev->link_topo->phys, phy_index, pdn) { 961 if (!phy_has_tsinfo(pdn->phy)) 962 continue; 963 964 ethtool_init_tsinfo(info); 965 err = phy_ts_info(pdn->phy, info); 966 if (err) 967 return ERR_PTR(err); 968 969 if (info->phc_index == hwprov_desc->index) 970 return pdn->phy; 971 } 972 return ERR_PTR(-ENODEV); 973 } 974 975 /* Look on the dev->phydev */ 976 if (phy_has_tsinfo(dev->phydev)) { 977 ethtool_init_tsinfo(info); 978 err = phy_ts_info(dev->phydev, info); 979 if (err) 980 return ERR_PTR(err); 981 982 if (info->phc_index == hwprov_desc->index) 983 return dev->phydev; 984 } 985 986 return ERR_PTR(-ENODEV); 987 } 988 989 int ethtool_get_ts_info_by_phc(struct net_device *dev, 990 struct kernel_ethtool_ts_info *info, 991 struct hwtstamp_provider_desc *hwprov_desc) 992 { 993 int err; 994 995 err = ethtool_net_get_ts_info_by_phc(dev, info, hwprov_desc); 996 if (err == -ENODEV || err == -EOPNOTSUPP) { 997 struct phy_device *phy; 998 999 phy = ethtool_phy_get_ts_info_by_phc(dev, info, hwprov_desc); 1000 if (IS_ERR(phy)) 1001 return PTR_ERR(phy); 1002 1003 /* Report the phc source only if we have a real 1004 * phc source with an index. 1005 */ 1006 if (info->phc_index >= 0) { 1007 info->phc_source = HWTSTAMP_SOURCE_PHYLIB; 1008 info->phc_phyindex = phy->phyindex; 1009 } 1010 err = 0; 1011 } else if (!err && info->phc_index >= 0) { 1012 info->phc_source = HWTSTAMP_SOURCE_NETDEV; 1013 } 1014 1015 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 1016 SOF_TIMESTAMPING_SOFTWARE; 1017 1018 return err; 1019 } 1020 1021 int __ethtool_get_ts_info(struct net_device *dev, 1022 struct kernel_ethtool_ts_info *info) 1023 { 1024 struct hwtstamp_provider *hwprov; 1025 int err = 0; 1026 1027 rcu_read_lock(); 1028 hwprov = rcu_dereference(dev->hwprov); 1029 /* No provider specified, use default behavior */ 1030 if (!hwprov) { 1031 const struct ethtool_ops *ops = dev->ethtool_ops; 1032 struct phy_device *phydev = dev->phydev; 1033 1034 ethtool_init_tsinfo(info); 1035 if (phy_is_default_hwtstamp(phydev) && 1036 phy_has_tsinfo(phydev)) { 1037 err = phy_ts_info(phydev, info); 1038 /* Report the phc source only if we have a real 1039 * phc source with an index. 1040 */ 1041 if (!err && info->phc_index >= 0) { 1042 info->phc_source = HWTSTAMP_SOURCE_PHYLIB; 1043 info->phc_phyindex = phydev->phyindex; 1044 } 1045 } else if (ops->get_ts_info) { 1046 err = ops->get_ts_info(dev, info); 1047 if (!err && info->phc_index >= 0) 1048 info->phc_source = HWTSTAMP_SOURCE_NETDEV; 1049 } 1050 1051 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 1052 SOF_TIMESTAMPING_SOFTWARE; 1053 1054 rcu_read_unlock(); 1055 return err; 1056 } 1057 1058 err = ethtool_get_ts_info_by_phc(dev, info, &hwprov->desc); 1059 rcu_read_unlock(); 1060 return err; 1061 } 1062 1063 bool net_support_hwtstamp_qualifier(struct net_device *dev, 1064 enum hwtstamp_provider_qualifier qualifier) 1065 { 1066 const struct ethtool_ops *ops = dev->ethtool_ops; 1067 1068 if (!ops) 1069 return false; 1070 1071 /* Return true with precise qualifier and with NIC without 1072 * qualifier description to not break the old behavior. 1073 */ 1074 if (!ops->supported_hwtstamp_qualifiers && 1075 qualifier == HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 1076 return true; 1077 1078 if (ops->supported_hwtstamp_qualifiers & BIT(qualifier)) 1079 return true; 1080 1081 return false; 1082 } 1083 1084 int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index) 1085 { 1086 struct kernel_ethtool_ts_info info = { }; 1087 int num = 0; 1088 1089 if (!__ethtool_get_ts_info(dev, &info)) 1090 num = ptp_get_vclocks_index(info.phc_index, vclock_index); 1091 1092 return num; 1093 } 1094 EXPORT_SYMBOL(ethtool_get_phc_vclocks); 1095 1096 int ethtool_get_ts_info_by_layer(struct net_device *dev, struct kernel_ethtool_ts_info *info) 1097 { 1098 return __ethtool_get_ts_info(dev, info); 1099 } 1100 EXPORT_SYMBOL(ethtool_get_ts_info_by_layer); 1101 1102 const struct ethtool_phy_ops *ethtool_phy_ops; 1103 1104 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops) 1105 { 1106 ASSERT_RTNL(); 1107 ethtool_phy_ops = ops; 1108 } 1109 EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops); 1110 1111 void 1112 ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, 1113 enum ethtool_link_mode_bit_indices link_mode) 1114 { 1115 const struct link_mode_info *link_info; 1116 1117 if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS)) 1118 return; 1119 1120 link_info = &link_mode_params[link_mode]; 1121 link_ksettings->base.speed = link_info->speed; 1122 link_ksettings->lanes = link_info->lanes; 1123 link_ksettings->base.duplex = link_info->duplex; 1124 } 1125 EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode); 1126 1127 /** 1128 * ethtool_forced_speed_maps_init 1129 * @maps: Pointer to an array of Ethtool forced speed map 1130 * @size: Array size 1131 * 1132 * Initialize an array of Ethtool forced speed map to Ethtool link modes. This 1133 * should be called during driver module init. 1134 */ 1135 void 1136 ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size) 1137 { 1138 for (u32 i = 0; i < size; i++) { 1139 struct ethtool_forced_speed_map *map = &maps[i]; 1140 1141 linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps); 1142 map->cap_arr = NULL; 1143 map->arr_size = 0; 1144 } 1145 } 1146 EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init); 1147 1148 void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id) 1149 { 1150 struct ethtool_rxfh_context *ctx; 1151 1152 WARN_ONCE(!rtnl_is_locked() && 1153 !lockdep_is_held_type(&dev->ethtool->rss_lock, -1), 1154 "RSS context lock assertion failed\n"); 1155 1156 netdev_err(dev, "device error, RSS context %d lost\n", context_id); 1157 ctx = xa_erase(&dev->ethtool->rss_ctx, context_id); 1158 kfree(ctx); 1159 ethtool_rss_notify(dev, ETHTOOL_MSG_RSS_DELETE_NTF, context_id); 1160 } 1161 EXPORT_SYMBOL(ethtool_rxfh_context_lost); 1162