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