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 "common.h" 12 #include "netlink.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_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 [ETHTOOL_PHY_SHORT_CABLE_PRESET] = "phy-short-cable-preset", 104 [ETHTOOL_PHY_LPF_BW] = "phy-lpf-bandwidth", 105 [ETHTOOL_PHY_DSP_EQ_INIT_VALUE] = "phy-dsp-eq-init-value", 106 }; 107 108 #define __LINK_MODE_NAME(speed, type, duplex) \ 109 #speed "base" #type "/" #duplex 110 #define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \ 111 [ETHTOOL_LINK_MODE(speed, type, duplex)] = \ 112 __LINK_MODE_NAME(speed, type, duplex) 113 #define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \ 114 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name 115 116 const char link_mode_names[][ETH_GSTRING_LEN] = { 117 __DEFINE_LINK_MODE_NAME(10, T, Half), 118 __DEFINE_LINK_MODE_NAME(10, T, Full), 119 __DEFINE_LINK_MODE_NAME(100, T, Half), 120 __DEFINE_LINK_MODE_NAME(100, T, Full), 121 __DEFINE_LINK_MODE_NAME(1000, T, Half), 122 __DEFINE_LINK_MODE_NAME(1000, T, Full), 123 __DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"), 124 __DEFINE_SPECIAL_MODE_NAME(TP, "TP"), 125 __DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"), 126 __DEFINE_SPECIAL_MODE_NAME(MII, "MII"), 127 __DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"), 128 __DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"), 129 __DEFINE_LINK_MODE_NAME(10000, T, Full), 130 __DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"), 131 __DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"), 132 __DEFINE_LINK_MODE_NAME(2500, X, Full), 133 __DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"), 134 __DEFINE_LINK_MODE_NAME(1000, KX, Full), 135 __DEFINE_LINK_MODE_NAME(10000, KX4, Full), 136 __DEFINE_LINK_MODE_NAME(10000, KR, Full), 137 __DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"), 138 __DEFINE_LINK_MODE_NAME(20000, MLD2, Full), 139 __DEFINE_LINK_MODE_NAME(20000, KR2, Full), 140 __DEFINE_LINK_MODE_NAME(40000, KR4, Full), 141 __DEFINE_LINK_MODE_NAME(40000, CR4, Full), 142 __DEFINE_LINK_MODE_NAME(40000, SR4, Full), 143 __DEFINE_LINK_MODE_NAME(40000, LR4, Full), 144 __DEFINE_LINK_MODE_NAME(56000, KR4, Full), 145 __DEFINE_LINK_MODE_NAME(56000, CR4, Full), 146 __DEFINE_LINK_MODE_NAME(56000, SR4, Full), 147 __DEFINE_LINK_MODE_NAME(56000, LR4, Full), 148 __DEFINE_LINK_MODE_NAME(25000, CR, Full), 149 __DEFINE_LINK_MODE_NAME(25000, KR, Full), 150 __DEFINE_LINK_MODE_NAME(25000, SR, Full), 151 __DEFINE_LINK_MODE_NAME(50000, CR2, Full), 152 __DEFINE_LINK_MODE_NAME(50000, KR2, Full), 153 __DEFINE_LINK_MODE_NAME(100000, KR4, Full), 154 __DEFINE_LINK_MODE_NAME(100000, SR4, Full), 155 __DEFINE_LINK_MODE_NAME(100000, CR4, Full), 156 __DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full), 157 __DEFINE_LINK_MODE_NAME(50000, SR2, Full), 158 __DEFINE_LINK_MODE_NAME(1000, X, Full), 159 __DEFINE_LINK_MODE_NAME(10000, CR, Full), 160 __DEFINE_LINK_MODE_NAME(10000, SR, Full), 161 __DEFINE_LINK_MODE_NAME(10000, LR, Full), 162 __DEFINE_LINK_MODE_NAME(10000, LRM, Full), 163 __DEFINE_LINK_MODE_NAME(10000, ER, Full), 164 __DEFINE_LINK_MODE_NAME(2500, T, Full), 165 __DEFINE_LINK_MODE_NAME(5000, T, Full), 166 __DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"), 167 __DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"), 168 __DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"), 169 __DEFINE_LINK_MODE_NAME(50000, KR, Full), 170 __DEFINE_LINK_MODE_NAME(50000, SR, Full), 171 __DEFINE_LINK_MODE_NAME(50000, CR, Full), 172 __DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full), 173 __DEFINE_LINK_MODE_NAME(50000, DR, Full), 174 __DEFINE_LINK_MODE_NAME(100000, KR2, Full), 175 __DEFINE_LINK_MODE_NAME(100000, SR2, Full), 176 __DEFINE_LINK_MODE_NAME(100000, CR2, Full), 177 __DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full), 178 __DEFINE_LINK_MODE_NAME(100000, DR2, Full), 179 __DEFINE_LINK_MODE_NAME(200000, KR4, Full), 180 __DEFINE_LINK_MODE_NAME(200000, SR4, Full), 181 __DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full), 182 __DEFINE_LINK_MODE_NAME(200000, DR4, Full), 183 __DEFINE_LINK_MODE_NAME(200000, CR4, Full), 184 __DEFINE_LINK_MODE_NAME(100, T1, Full), 185 __DEFINE_LINK_MODE_NAME(1000, T1, Full), 186 __DEFINE_LINK_MODE_NAME(400000, KR8, Full), 187 __DEFINE_LINK_MODE_NAME(400000, SR8, Full), 188 __DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full), 189 __DEFINE_LINK_MODE_NAME(400000, DR8, Full), 190 __DEFINE_LINK_MODE_NAME(400000, CR8, Full), 191 __DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"), 192 __DEFINE_LINK_MODE_NAME(100000, KR, Full), 193 __DEFINE_LINK_MODE_NAME(100000, SR, Full), 194 __DEFINE_LINK_MODE_NAME(100000, LR_ER_FR, Full), 195 __DEFINE_LINK_MODE_NAME(100000, DR, Full), 196 __DEFINE_LINK_MODE_NAME(100000, CR, Full), 197 __DEFINE_LINK_MODE_NAME(200000, KR2, Full), 198 __DEFINE_LINK_MODE_NAME(200000, SR2, Full), 199 __DEFINE_LINK_MODE_NAME(200000, LR2_ER2_FR2, Full), 200 __DEFINE_LINK_MODE_NAME(200000, DR2, Full), 201 __DEFINE_LINK_MODE_NAME(200000, CR2, Full), 202 __DEFINE_LINK_MODE_NAME(400000, KR4, Full), 203 __DEFINE_LINK_MODE_NAME(400000, SR4, Full), 204 __DEFINE_LINK_MODE_NAME(400000, LR4_ER4_FR4, Full), 205 __DEFINE_LINK_MODE_NAME(400000, DR4, Full), 206 __DEFINE_LINK_MODE_NAME(400000, CR4, Full), 207 __DEFINE_LINK_MODE_NAME(100, FX, Half), 208 __DEFINE_LINK_MODE_NAME(100, FX, Full), 209 __DEFINE_LINK_MODE_NAME(10, T1L, Full), 210 __DEFINE_LINK_MODE_NAME(800000, CR8, Full), 211 __DEFINE_LINK_MODE_NAME(800000, KR8, Full), 212 __DEFINE_LINK_MODE_NAME(800000, DR8, Full), 213 __DEFINE_LINK_MODE_NAME(800000, DR8_2, Full), 214 __DEFINE_LINK_MODE_NAME(800000, SR8, Full), 215 __DEFINE_LINK_MODE_NAME(800000, VR8, Full), 216 __DEFINE_LINK_MODE_NAME(10, T1S, Full), 217 __DEFINE_LINK_MODE_NAME(10, T1S, Half), 218 __DEFINE_LINK_MODE_NAME(10, T1S_P2MP, Half), 219 __DEFINE_LINK_MODE_NAME(10, T1BRR, Full), 220 __DEFINE_LINK_MODE_NAME(200000, CR, Full), 221 __DEFINE_LINK_MODE_NAME(200000, KR, Full), 222 __DEFINE_LINK_MODE_NAME(200000, DR, Full), 223 __DEFINE_LINK_MODE_NAME(200000, DR_2, Full), 224 __DEFINE_LINK_MODE_NAME(200000, SR, Full), 225 __DEFINE_LINK_MODE_NAME(200000, VR, Full), 226 __DEFINE_LINK_MODE_NAME(400000, CR2, Full), 227 __DEFINE_LINK_MODE_NAME(400000, KR2, Full), 228 __DEFINE_LINK_MODE_NAME(400000, DR2, Full), 229 __DEFINE_LINK_MODE_NAME(400000, DR2_2, Full), 230 __DEFINE_LINK_MODE_NAME(400000, SR2, Full), 231 __DEFINE_LINK_MODE_NAME(400000, VR2, Full), 232 __DEFINE_LINK_MODE_NAME(800000, CR4, Full), 233 __DEFINE_LINK_MODE_NAME(800000, KR4, Full), 234 __DEFINE_LINK_MODE_NAME(800000, DR4, Full), 235 __DEFINE_LINK_MODE_NAME(800000, DR4_2, Full), 236 __DEFINE_LINK_MODE_NAME(800000, SR4, Full), 237 __DEFINE_LINK_MODE_NAME(800000, VR4, Full), 238 __DEFINE_LINK_MODE_NAME(1600000, CR8, Full), 239 __DEFINE_LINK_MODE_NAME(1600000, KR8, Full), 240 __DEFINE_LINK_MODE_NAME(1600000, DR8, Full), 241 __DEFINE_LINK_MODE_NAME(1600000, DR8_2, Full), 242 }; 243 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS); 244 245 #define __LINK_MODE_LANES_CR 1 246 #define __LINK_MODE_LANES_CR2 2 247 #define __LINK_MODE_LANES_CR4 4 248 #define __LINK_MODE_LANES_CR8 8 249 #define __LINK_MODE_LANES_DR 1 250 #define __LINK_MODE_LANES_DR_2 1 251 #define __LINK_MODE_LANES_DR2 2 252 #define __LINK_MODE_LANES_DR2_2 2 253 #define __LINK_MODE_LANES_DR4 4 254 #define __LINK_MODE_LANES_DR4_2 4 255 #define __LINK_MODE_LANES_DR8 8 256 #define __LINK_MODE_LANES_KR 1 257 #define __LINK_MODE_LANES_KR2 2 258 #define __LINK_MODE_LANES_KR4 4 259 #define __LINK_MODE_LANES_KR8 8 260 #define __LINK_MODE_LANES_SR 1 261 #define __LINK_MODE_LANES_SR2 2 262 #define __LINK_MODE_LANES_SR4 4 263 #define __LINK_MODE_LANES_SR8 8 264 #define __LINK_MODE_LANES_ER 1 265 #define __LINK_MODE_LANES_KX 1 266 #define __LINK_MODE_LANES_KX4 4 267 #define __LINK_MODE_LANES_LR 1 268 #define __LINK_MODE_LANES_LR4 4 269 #define __LINK_MODE_LANES_LR4_ER4 4 270 #define __LINK_MODE_LANES_LR_ER_FR 1 271 #define __LINK_MODE_LANES_LR2_ER2_FR2 2 272 #define __LINK_MODE_LANES_LR4_ER4_FR4 4 273 #define __LINK_MODE_LANES_LR8_ER8_FR8 8 274 #define __LINK_MODE_LANES_LRM 1 275 #define __LINK_MODE_LANES_MLD2 2 276 #define __LINK_MODE_LANES_T 1 277 #define __LINK_MODE_LANES_T1 1 278 #define __LINK_MODE_LANES_X 1 279 #define __LINK_MODE_LANES_FX 1 280 #define __LINK_MODE_LANES_T1L 1 281 #define __LINK_MODE_LANES_T1S 1 282 #define __LINK_MODE_LANES_T1S_P2MP 1 283 #define __LINK_MODE_LANES_VR 1 284 #define __LINK_MODE_LANES_VR2 2 285 #define __LINK_MODE_LANES_VR4 4 286 #define __LINK_MODE_LANES_VR8 8 287 #define __LINK_MODE_LANES_DR8_2 8 288 #define __LINK_MODE_LANES_T1BRR 1 289 290 #define __DEFINE_LINK_MODE_PARAMS_PAIRS(_speed, _type, _min_pairs, _pairs, _duplex, _medium) \ 291 [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \ 292 .speed = SPEED_ ## _speed, \ 293 .lanes = __LINK_MODE_LANES_ ## _type, \ 294 .min_pairs = _min_pairs, \ 295 .pairs = _pairs, \ 296 .duplex = __DUPLEX_ ## _duplex, \ 297 .mediums = BIT(ETHTOOL_LINK_MEDIUM_BASE ## _medium) \ 298 } 299 300 #define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex, _medium) \ 301 [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \ 302 .speed = SPEED_ ## _speed, \ 303 .lanes = __LINK_MODE_LANES_ ## _type, \ 304 .min_pairs = 0, \ 305 .pairs = 0, \ 306 .duplex = __DUPLEX_ ## _duplex, \ 307 .mediums = BIT(ETHTOOL_LINK_MEDIUM_BASE ## _medium) \ 308 } 309 #define __DEFINE_LINK_MODE_PARAMS_MEDIUMS(_speed, _type, _duplex, _mediums) \ 310 [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \ 311 .speed = SPEED_ ## _speed, \ 312 .lanes = __LINK_MODE_LANES_ ## _type, \ 313 .min_pairs = 0, \ 314 .pairs = 0, \ 315 .duplex = __DUPLEX_ ## _duplex, \ 316 .mediums = (_mediums) \ 317 } 318 #define __MED(_medium) (BIT(ETHTOOL_LINK_MEDIUM_BASE ## _medium)) 319 #define __DUPLEX_Half DUPLEX_HALF 320 #define __DUPLEX_Full DUPLEX_FULL 321 #define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \ 322 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \ 323 .speed = SPEED_UNKNOWN, \ 324 .lanes = 0, \ 325 .duplex = DUPLEX_UNKNOWN, \ 326 .mediums = BIT(ETHTOOL_LINK_MEDIUM_NONE), \ 327 } 328 329 const struct link_mode_info link_mode_params[] = { 330 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T, 2, 4, Half, T), 331 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T, 2, 4, Full, T), 332 __DEFINE_LINK_MODE_PARAMS_PAIRS(100, T, 2, 4, Half, T), 333 __DEFINE_LINK_MODE_PARAMS_PAIRS(100, T, 2, 4, Full, T), 334 __DEFINE_LINK_MODE_PARAMS_PAIRS(1000, T, 4, 4, Half, T), 335 __DEFINE_LINK_MODE_PARAMS_PAIRS(1000, T, 4, 4, Full, T), 336 __DEFINE_SPECIAL_MODE_PARAMS(Autoneg), 337 __DEFINE_SPECIAL_MODE_PARAMS(TP), 338 __DEFINE_SPECIAL_MODE_PARAMS(AUI), 339 __DEFINE_SPECIAL_MODE_PARAMS(MII), 340 __DEFINE_SPECIAL_MODE_PARAMS(FIBRE), 341 __DEFINE_SPECIAL_MODE_PARAMS(BNC), 342 __DEFINE_LINK_MODE_PARAMS_PAIRS(10000, T, 4, 4, Full, T), 343 __DEFINE_SPECIAL_MODE_PARAMS(Pause), 344 __DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause), 345 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(2500, X, Full, 346 __MED(C) | __MED(S) | __MED(L)), 347 __DEFINE_SPECIAL_MODE_PARAMS(Backplane), 348 __DEFINE_LINK_MODE_PARAMS(1000, KX, Full, K), 349 __DEFINE_LINK_MODE_PARAMS(10000, KX4, Full, K), 350 __DEFINE_LINK_MODE_PARAMS(10000, KR, Full, K), 351 [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = { 352 .speed = SPEED_10000, 353 .lanes = 1, 354 .duplex = DUPLEX_FULL, 355 }, 356 __DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full, MLD), 357 __DEFINE_LINK_MODE_PARAMS(20000, KR2, Full, K), 358 __DEFINE_LINK_MODE_PARAMS(40000, KR4, Full, K), 359 __DEFINE_LINK_MODE_PARAMS(40000, CR4, Full, C), 360 __DEFINE_LINK_MODE_PARAMS(40000, SR4, Full, S), 361 __DEFINE_LINK_MODE_PARAMS(40000, LR4, Full, L), 362 __DEFINE_LINK_MODE_PARAMS(56000, KR4, Full, K), 363 __DEFINE_LINK_MODE_PARAMS(56000, CR4, Full, C), 364 __DEFINE_LINK_MODE_PARAMS(56000, SR4, Full, S), 365 __DEFINE_LINK_MODE_PARAMS(56000, LR4, Full, L), 366 __DEFINE_LINK_MODE_PARAMS(25000, CR, Full, C), 367 __DEFINE_LINK_MODE_PARAMS(25000, KR, Full, K), 368 __DEFINE_LINK_MODE_PARAMS(25000, SR, Full, S), 369 __DEFINE_LINK_MODE_PARAMS(50000, CR2, Full, C), 370 __DEFINE_LINK_MODE_PARAMS(50000, KR2, Full, K), 371 __DEFINE_LINK_MODE_PARAMS(100000, KR4, Full, K), 372 __DEFINE_LINK_MODE_PARAMS(100000, SR4, Full, S), 373 __DEFINE_LINK_MODE_PARAMS(100000, CR4, Full, C), 374 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(100000, LR4_ER4, Full, 375 __MED(L) | __MED(E)), 376 __DEFINE_LINK_MODE_PARAMS(50000, SR2, Full, S), 377 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(1000, X, Full, 378 __MED(C) | __MED(S) | __MED(L)), 379 __DEFINE_LINK_MODE_PARAMS(10000, CR, Full, C), 380 __DEFINE_LINK_MODE_PARAMS(10000, SR, Full, S), 381 __DEFINE_LINK_MODE_PARAMS(10000, LR, Full, L), 382 __DEFINE_LINK_MODE_PARAMS(10000, LRM, Full, L), 383 __DEFINE_LINK_MODE_PARAMS(10000, ER, Full, E), 384 __DEFINE_LINK_MODE_PARAMS_PAIRS(2500, T, 4, 4, Full, T), 385 __DEFINE_LINK_MODE_PARAMS_PAIRS(5000, T, 4, 4, Full, T), 386 __DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE), 387 __DEFINE_SPECIAL_MODE_PARAMS(FEC_RS), 388 __DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER), 389 __DEFINE_LINK_MODE_PARAMS(50000, KR, Full, K), 390 __DEFINE_LINK_MODE_PARAMS(50000, SR, Full, S), 391 __DEFINE_LINK_MODE_PARAMS(50000, CR, Full, C), 392 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(50000, LR_ER_FR, Full, 393 __MED(L) | __MED(E) | __MED(F)), 394 __DEFINE_LINK_MODE_PARAMS(50000, DR, Full, D), 395 __DEFINE_LINK_MODE_PARAMS(100000, KR2, Full, K), 396 __DEFINE_LINK_MODE_PARAMS(100000, SR2, Full, S), 397 __DEFINE_LINK_MODE_PARAMS(100000, CR2, Full, C), 398 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(100000, LR2_ER2_FR2, Full, 399 __MED(L) | __MED(E) | __MED(F)), 400 __DEFINE_LINK_MODE_PARAMS(100000, DR2, Full, D), 401 __DEFINE_LINK_MODE_PARAMS(200000, KR4, Full, K), 402 __DEFINE_LINK_MODE_PARAMS(200000, SR4, Full, S), 403 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(200000, LR4_ER4_FR4, Full, 404 __MED(L) | __MED(E) | __MED(F)), 405 __DEFINE_LINK_MODE_PARAMS(200000, DR4, Full, D), 406 __DEFINE_LINK_MODE_PARAMS(200000, CR4, Full, C), 407 __DEFINE_LINK_MODE_PARAMS_PAIRS(100, T1, 1, 1, Full, T), 408 __DEFINE_LINK_MODE_PARAMS_PAIRS(1000, T1, 1, 1, Full, T), 409 __DEFINE_LINK_MODE_PARAMS(400000, KR8, Full, K), 410 __DEFINE_LINK_MODE_PARAMS(400000, SR8, Full, S), 411 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(400000, LR8_ER8_FR8, Full, 412 __MED(L) | __MED(E) | __MED(F)), 413 __DEFINE_LINK_MODE_PARAMS(400000, DR8, Full, D), 414 __DEFINE_LINK_MODE_PARAMS(400000, CR8, Full, C), 415 __DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS), 416 __DEFINE_LINK_MODE_PARAMS(100000, KR, Full, K), 417 __DEFINE_LINK_MODE_PARAMS(100000, SR, Full, S), 418 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(100000, LR_ER_FR, Full, 419 __MED(L) | __MED(E) | __MED(F)), 420 __DEFINE_LINK_MODE_PARAMS(100000, DR, Full, D), 421 __DEFINE_LINK_MODE_PARAMS(100000, CR, Full, C), 422 __DEFINE_LINK_MODE_PARAMS(200000, KR2, Full, K), 423 __DEFINE_LINK_MODE_PARAMS(200000, SR2, Full, S), 424 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(200000, LR2_ER2_FR2, Full, 425 __MED(L) | __MED(E) | __MED(F)), 426 __DEFINE_LINK_MODE_PARAMS(200000, DR2, Full, D), 427 __DEFINE_LINK_MODE_PARAMS(200000, CR2, Full, C), 428 __DEFINE_LINK_MODE_PARAMS(400000, KR4, Full, K), 429 __DEFINE_LINK_MODE_PARAMS(400000, SR4, Full, S), 430 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(400000, LR4_ER4_FR4, Full, 431 __MED(L) | __MED(E) | __MED(F)), 432 __DEFINE_LINK_MODE_PARAMS(400000, DR4, Full, D), 433 __DEFINE_LINK_MODE_PARAMS(400000, CR4, Full, C), 434 __DEFINE_LINK_MODE_PARAMS(100, FX, Half, F), 435 __DEFINE_LINK_MODE_PARAMS(100, FX, Full, F), 436 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1L, 1, 1, Full, T), 437 __DEFINE_LINK_MODE_PARAMS(800000, CR8, Full, C), 438 __DEFINE_LINK_MODE_PARAMS(800000, KR8, Full, K), 439 __DEFINE_LINK_MODE_PARAMS(800000, DR8, Full, D), 440 __DEFINE_LINK_MODE_PARAMS(800000, DR8_2, Full, D), 441 __DEFINE_LINK_MODE_PARAMS(800000, SR8, Full, S), 442 __DEFINE_LINK_MODE_PARAMS(800000, VR8, Full, V), 443 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1S, 1, 1, Full, T), 444 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1S, 1, 1, Half, T), 445 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1S_P2MP, 1, 1, Half, T), 446 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1BRR, 1, 1, Full, T), 447 __DEFINE_LINK_MODE_PARAMS(200000, CR, Full, C), 448 __DEFINE_LINK_MODE_PARAMS(200000, KR, Full, K), 449 __DEFINE_LINK_MODE_PARAMS(200000, DR, Full, D), 450 __DEFINE_LINK_MODE_PARAMS(200000, DR_2, Full, D), 451 __DEFINE_LINK_MODE_PARAMS(200000, SR, Full, S), 452 __DEFINE_LINK_MODE_PARAMS(200000, VR, Full, V), 453 __DEFINE_LINK_MODE_PARAMS(400000, CR2, Full, C), 454 __DEFINE_LINK_MODE_PARAMS(400000, KR2, Full, K), 455 __DEFINE_LINK_MODE_PARAMS(400000, DR2, Full, D), 456 __DEFINE_LINK_MODE_PARAMS(400000, DR2_2, Full, D), 457 __DEFINE_LINK_MODE_PARAMS(400000, SR2, Full, S), 458 __DEFINE_LINK_MODE_PARAMS(400000, VR2, Full, V), 459 __DEFINE_LINK_MODE_PARAMS(800000, CR4, Full, C), 460 __DEFINE_LINK_MODE_PARAMS(800000, KR4, Full, K), 461 __DEFINE_LINK_MODE_PARAMS(800000, DR4, Full, D), 462 __DEFINE_LINK_MODE_PARAMS(800000, DR4_2, Full, D), 463 __DEFINE_LINK_MODE_PARAMS(800000, SR4, Full, S), 464 __DEFINE_LINK_MODE_PARAMS(800000, VR4, Full, V), 465 __DEFINE_LINK_MODE_PARAMS(1600000, CR8, Full, C), 466 __DEFINE_LINK_MODE_PARAMS(1600000, KR8, Full, K), 467 __DEFINE_LINK_MODE_PARAMS(1600000, DR8, Full, D), 468 __DEFINE_LINK_MODE_PARAMS(1600000, DR8_2, Full, D), 469 }; 470 static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS); 471 EXPORT_SYMBOL_GPL(link_mode_params); 472 473 static const char ethtool_link_medium_names[][ETH_GSTRING_LEN] = { 474 [ETHTOOL_LINK_MEDIUM_BASET] = "BaseT", 475 [ETHTOOL_LINK_MEDIUM_BASEK] = "BaseK", 476 [ETHTOOL_LINK_MEDIUM_BASES] = "BaseS", 477 [ETHTOOL_LINK_MEDIUM_BASEC] = "BaseC", 478 [ETHTOOL_LINK_MEDIUM_BASEL] = "BaseL", 479 [ETHTOOL_LINK_MEDIUM_BASED] = "BaseD", 480 [ETHTOOL_LINK_MEDIUM_BASEE] = "BaseE", 481 [ETHTOOL_LINK_MEDIUM_BASEF] = "BaseF", 482 [ETHTOOL_LINK_MEDIUM_BASEV] = "BaseV", 483 [ETHTOOL_LINK_MEDIUM_BASEMLD] = "BaseMLD", 484 [ETHTOOL_LINK_MEDIUM_NONE] = "None", 485 }; 486 static_assert(ARRAY_SIZE(ethtool_link_medium_names) == __ETHTOOL_LINK_MEDIUM_LAST); 487 488 const char netif_msg_class_names[][ETH_GSTRING_LEN] = { 489 [NETIF_MSG_DRV_BIT] = "drv", 490 [NETIF_MSG_PROBE_BIT] = "probe", 491 [NETIF_MSG_LINK_BIT] = "link", 492 [NETIF_MSG_TIMER_BIT] = "timer", 493 [NETIF_MSG_IFDOWN_BIT] = "ifdown", 494 [NETIF_MSG_IFUP_BIT] = "ifup", 495 [NETIF_MSG_RX_ERR_BIT] = "rx_err", 496 [NETIF_MSG_TX_ERR_BIT] = "tx_err", 497 [NETIF_MSG_TX_QUEUED_BIT] = "tx_queued", 498 [NETIF_MSG_INTR_BIT] = "intr", 499 [NETIF_MSG_TX_DONE_BIT] = "tx_done", 500 [NETIF_MSG_RX_STATUS_BIT] = "rx_status", 501 [NETIF_MSG_PKTDATA_BIT] = "pktdata", 502 [NETIF_MSG_HW_BIT] = "hw", 503 [NETIF_MSG_WOL_BIT] = "wol", 504 }; 505 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT); 506 507 const char wol_mode_names[][ETH_GSTRING_LEN] = { 508 [const_ilog2(WAKE_PHY)] = "phy", 509 [const_ilog2(WAKE_UCAST)] = "ucast", 510 [const_ilog2(WAKE_MCAST)] = "mcast", 511 [const_ilog2(WAKE_BCAST)] = "bcast", 512 [const_ilog2(WAKE_ARP)] = "arp", 513 [const_ilog2(WAKE_MAGIC)] = "magic", 514 [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure", 515 [const_ilog2(WAKE_FILTER)] = "filter", 516 }; 517 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT); 518 519 const char sof_timestamping_names[][ETH_GSTRING_LEN] = { 520 [const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)] = "hardware-transmit", 521 [const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)] = "software-transmit", 522 [const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)] = "hardware-receive", 523 [const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)] = "software-receive", 524 [const_ilog2(SOF_TIMESTAMPING_SOFTWARE)] = "software-system-clock", 525 [const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock", 526 [const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock", 527 [const_ilog2(SOF_TIMESTAMPING_OPT_ID)] = "option-id", 528 [const_ilog2(SOF_TIMESTAMPING_TX_SCHED)] = "sched-transmit", 529 [const_ilog2(SOF_TIMESTAMPING_TX_ACK)] = "ack-transmit", 530 [const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)] = "option-cmsg", 531 [const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)] = "option-tsonly", 532 [const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats", 533 [const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo", 534 [const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw", 535 [const_ilog2(SOF_TIMESTAMPING_BIND_PHC)] = "bind-phc", 536 [const_ilog2(SOF_TIMESTAMPING_OPT_ID_TCP)] = "option-id-tcp", 537 [const_ilog2(SOF_TIMESTAMPING_OPT_RX_FILTER)] = "option-rx-filter", 538 [const_ilog2(SOF_TIMESTAMPING_TX_COMPLETION)] = "tx-completion", 539 }; 540 static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT); 541 542 const char ts_tx_type_names[][ETH_GSTRING_LEN] = { 543 [HWTSTAMP_TX_OFF] = "off", 544 [HWTSTAMP_TX_ON] = "on", 545 [HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync", 546 [HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p", 547 }; 548 static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT); 549 550 const char ts_rx_filter_names[][ETH_GSTRING_LEN] = { 551 [HWTSTAMP_FILTER_NONE] = "none", 552 [HWTSTAMP_FILTER_ALL] = "all", 553 [HWTSTAMP_FILTER_SOME] = "some", 554 [HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event", 555 [HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync", 556 [HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req", 557 [HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event", 558 [HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync", 559 [HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req", 560 [HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event", 561 [HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync", 562 [HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req", 563 [HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event", 564 [HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync", 565 [HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req", 566 [HWTSTAMP_FILTER_NTP_ALL] = "ntp-all", 567 }; 568 static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT); 569 570 const char ts_flags_names[][ETH_GSTRING_LEN] = { 571 [const_ilog2(HWTSTAMP_FLAG_BONDED_PHC_INDEX)] = "bonded-phc-index", 572 }; 573 static_assert(ARRAY_SIZE(ts_flags_names) == __HWTSTAMP_FLAG_CNT); 574 575 const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = { 576 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN] = "vxlan", 577 [ETHTOOL_UDP_TUNNEL_TYPE_GENEVE] = "geneve", 578 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE] = "vxlan-gpe", 579 }; 580 static_assert(ARRAY_SIZE(udp_tunnel_type_names) == 581 __ETHTOOL_UDP_TUNNEL_TYPE_CNT); 582 583 /* return false if legacy contained non-0 deprecated fields 584 * maxtxpkt/maxrxpkt. rest of ksettings always updated 585 */ 586 bool 587 convert_legacy_settings_to_link_ksettings( 588 struct ethtool_link_ksettings *link_ksettings, 589 const struct ethtool_cmd *legacy_settings) 590 { 591 bool retval = true; 592 593 memset(link_ksettings, 0, sizeof(*link_ksettings)); 594 595 /* This is used to tell users that driver is still using these 596 * deprecated legacy fields, and they should not use 597 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS 598 */ 599 if (legacy_settings->maxtxpkt || 600 legacy_settings->maxrxpkt) 601 retval = false; 602 603 ethtool_convert_legacy_u32_to_link_mode( 604 link_ksettings->link_modes.supported, 605 legacy_settings->supported); 606 ethtool_convert_legacy_u32_to_link_mode( 607 link_ksettings->link_modes.advertising, 608 legacy_settings->advertising); 609 ethtool_convert_legacy_u32_to_link_mode( 610 link_ksettings->link_modes.lp_advertising, 611 legacy_settings->lp_advertising); 612 link_ksettings->base.speed 613 = ethtool_cmd_speed(legacy_settings); 614 link_ksettings->base.duplex 615 = legacy_settings->duplex; 616 link_ksettings->base.port 617 = legacy_settings->port; 618 link_ksettings->base.phy_address 619 = legacy_settings->phy_address; 620 link_ksettings->base.autoneg 621 = legacy_settings->autoneg; 622 link_ksettings->base.mdio_support 623 = legacy_settings->mdio_support; 624 link_ksettings->base.eth_tp_mdix 625 = legacy_settings->eth_tp_mdix; 626 link_ksettings->base.eth_tp_mdix_ctrl 627 = legacy_settings->eth_tp_mdix_ctrl; 628 return retval; 629 } 630 631 int __ethtool_get_link(struct net_device *dev) 632 { 633 if (!dev->ethtool_ops->get_link) 634 return -EOPNOTSUPP; 635 636 return netif_running(dev) && dev->ethtool_ops->get_link(dev); 637 } 638 639 int ethtool_get_rx_ring_count(struct net_device *dev) 640 { 641 const struct ethtool_ops *ops = dev->ethtool_ops; 642 643 if (!ops->get_rx_ring_count) 644 return -EOPNOTSUPP; 645 646 return ops->get_rx_ring_count(dev); 647 } 648 649 static int ethtool_get_rxnfc_rule_count(struct net_device *dev) 650 { 651 const struct ethtool_ops *ops = dev->ethtool_ops; 652 struct ethtool_rxnfc info = { 653 .cmd = ETHTOOL_GRXCLSRLCNT, 654 }; 655 int err; 656 657 err = ops->get_rxnfc(dev, &info, NULL); 658 if (err) 659 return err; 660 661 return info.rule_cnt; 662 } 663 664 /* Max offset for one RSS context */ 665 static u32 ethtool_get_rss_ctx_max_channel(struct ethtool_rxfh_context *ctx) 666 { 667 u32 max_ring = 0; 668 u32 i, *tbl; 669 670 if (WARN_ON_ONCE(!ctx)) 671 return 0; 672 tbl = ethtool_rxfh_context_indir(ctx); 673 for (i = 0; i < ctx->indir_size; i++) 674 max_ring = max(max_ring, tbl[i]); 675 return max_ring; 676 } 677 678 static int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max) 679 { 680 const struct ethtool_ops *ops = dev->ethtool_ops; 681 struct ethtool_rxnfc *info; 682 int err, i, rule_cnt; 683 u64 max_ring = 0; 684 685 if (!ops->get_rxnfc) 686 return -EOPNOTSUPP; 687 688 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 689 if (rule_cnt <= 0) 690 return -EINVAL; 691 692 info = kvzalloc_flex(*info, rule_locs, rule_cnt); 693 if (!info) 694 return -ENOMEM; 695 696 info->cmd = ETHTOOL_GRXCLSRLALL; 697 info->rule_cnt = rule_cnt; 698 err = ops->get_rxnfc(dev, info, info->rule_locs); 699 if (err) 700 goto err_free_info; 701 702 for (i = 0; i < rule_cnt; i++) { 703 struct ethtool_rxnfc rule_info = { 704 .cmd = ETHTOOL_GRXCLSRULE, 705 .fs.location = info->rule_locs[i], 706 }; 707 708 err = ops->get_rxnfc(dev, &rule_info, NULL); 709 if (err) 710 goto err_free_info; 711 712 if (rule_info.fs.ring_cookie != RX_CLS_FLOW_DISC && 713 rule_info.fs.ring_cookie != RX_CLS_FLOW_WAKE && 714 !ethtool_get_flow_spec_ring_vf(rule_info.fs.ring_cookie)) { 715 u64 ring = rule_info.fs.ring_cookie; 716 717 if (rule_info.flow_type & FLOW_RSS) { 718 struct ethtool_rxfh_context *ctx; 719 720 ctx = xa_load(&dev->ethtool->rss_ctx, 721 rule_info.rss_context); 722 ring += ethtool_get_rss_ctx_max_channel(ctx); 723 } 724 max_ring = max_t(u64, max_ring, ring); 725 } 726 } 727 728 kvfree(info); 729 *max = max_ring; 730 return 0; 731 732 err_free_info: 733 kvfree(info); 734 return err; 735 } 736 737 /* Max offset across all of a device's RSS contexts */ 738 static u32 ethtool_get_max_rss_ctx_channel(struct net_device *dev) 739 { 740 struct ethtool_rxfh_context *ctx; 741 unsigned long context; 742 u32 max_ring = 0; 743 744 mutex_lock(&dev->ethtool->rss_lock); 745 xa_for_each(&dev->ethtool->rss_ctx, context, ctx) 746 max_ring = max(max_ring, ethtool_get_rss_ctx_max_channel(ctx)); 747 mutex_unlock(&dev->ethtool->rss_lock); 748 749 return max_ring; 750 } 751 752 static u32 ethtool_get_max_rxfh_channel(struct net_device *dev) 753 { 754 struct ethtool_rxfh_param rxfh = {}; 755 u32 dev_size, current_max = 0; 756 int ret; 757 758 /* While we do track whether RSS context has an indirection 759 * table explicitly set by the user, no driver looks at that bit. 760 * Assume drivers won't auto-regenerate the additional tables, 761 * to be safe. 762 */ 763 current_max = ethtool_get_max_rss_ctx_channel(dev); 764 765 if (!netif_is_rxfh_configured(dev)) 766 return current_max; 767 768 if (!dev->ethtool_ops->get_rxfh_indir_size || 769 !dev->ethtool_ops->get_rxfh) 770 return current_max; 771 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); 772 if (dev_size == 0) 773 return current_max; 774 775 rxfh.indir = kzalloc_objs(rxfh.indir[0], dev_size, GFP_USER); 776 if (!rxfh.indir) 777 return U32_MAX; 778 779 mutex_lock(&dev->ethtool->rss_lock); 780 ret = dev->ethtool_ops->get_rxfh(dev, &rxfh); 781 mutex_unlock(&dev->ethtool->rss_lock); 782 if (ret) { 783 current_max = U32_MAX; 784 goto out_free; 785 } 786 787 while (dev_size--) 788 current_max = max(current_max, rxfh.indir[dev_size]); 789 790 out_free: 791 kfree(rxfh.indir); 792 return current_max; 793 } 794 795 int ethtool_check_max_channel(struct net_device *dev, 796 struct ethtool_channels channels, 797 struct genl_info *info) 798 { 799 u64 max_rxnfc_in_use; 800 u32 max_rxfh_in_use; 801 int max_mp_in_use; 802 803 /* ensure the new Rx count fits within the configured Rx flow 804 * indirection table/rxnfc settings 805 */ 806 if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use)) 807 max_rxnfc_in_use = 0; 808 max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev); 809 if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) { 810 if (info) 811 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use); 812 return -EINVAL; 813 } 814 if (channels.combined_count + channels.rx_count <= max_rxnfc_in_use) { 815 if (info) 816 GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings"); 817 return -EINVAL; 818 } 819 820 max_mp_in_use = dev_get_min_mp_channel_count(dev); 821 if (channels.combined_count + channels.rx_count <= max_mp_in_use) { 822 if (info) 823 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use); 824 return -EINVAL; 825 } 826 827 return 0; 828 } 829 830 int ethtool_check_rss_ctx_busy(struct net_device *dev, u32 rss_context) 831 { 832 const struct ethtool_ops *ops = dev->ethtool_ops; 833 struct ethtool_rxnfc *info; 834 int rc, i, rule_cnt; 835 836 if (!ops->get_rxnfc) 837 return 0; 838 839 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 840 if (!rule_cnt) 841 return 0; 842 843 if (rule_cnt < 0) 844 return -EINVAL; 845 846 info = kvzalloc_flex(*info, rule_locs, rule_cnt); 847 if (!info) 848 return -ENOMEM; 849 850 info->cmd = ETHTOOL_GRXCLSRLALL; 851 info->rule_cnt = rule_cnt; 852 rc = ops->get_rxnfc(dev, info, info->rule_locs); 853 if (rc) 854 goto out_free; 855 856 for (i = 0; i < rule_cnt; i++) { 857 struct ethtool_rxnfc rule_info = { 858 .cmd = ETHTOOL_GRXCLSRULE, 859 .fs.location = info->rule_locs[i], 860 }; 861 862 rc = ops->get_rxnfc(dev, &rule_info, NULL); 863 if (rc) 864 goto out_free; 865 866 if (rule_info.fs.flow_type & FLOW_RSS && 867 rule_info.rss_context == rss_context) { 868 rc = -EBUSY; 869 goto out_free; 870 } 871 } 872 873 out_free: 874 kvfree(info); 875 return rc; 876 } 877 878 struct ethtool_rxfh_context * 879 ethtool_rxfh_ctx_alloc(const struct ethtool_ops *ops, 880 u32 indir_size, u32 key_size) 881 { 882 size_t indir_bytes, flex_len, key_off, size; 883 struct ethtool_rxfh_context *ctx; 884 u32 priv_bytes, indir_max; 885 u16 key_max; 886 887 key_max = max(key_size, ops->rxfh_key_space); 888 indir_max = max(indir_size, ops->rxfh_indir_space); 889 890 priv_bytes = ALIGN(ops->rxfh_priv_size, sizeof(u32)); 891 indir_bytes = array_size(indir_max, sizeof(u32)); 892 893 key_off = size_add(priv_bytes, indir_bytes); 894 flex_len = size_add(key_off, key_max); 895 size = struct_size_t(struct ethtool_rxfh_context, data, flex_len); 896 897 ctx = kzalloc(size, GFP_KERNEL_ACCOUNT); 898 if (!ctx) 899 return NULL; 900 901 ctx->indir_size = indir_size; 902 ctx->key_size = key_size; 903 ctx->key_off = key_off; 904 ctx->priv_size = ops->rxfh_priv_size; 905 906 return ctx; 907 } 908 909 /* Check if fields configured for flow hash are symmetric - if src is included 910 * so is dst and vice versa. 911 */ 912 int ethtool_rxfh_config_is_sym(u64 rxfh) 913 { 914 bool sym; 915 916 sym = rxfh == (rxfh & (RXH_IP_SRC | RXH_IP_DST | 917 RXH_L4_B_0_1 | RXH_L4_B_2_3)); 918 sym &= !!(rxfh & RXH_IP_SRC) == !!(rxfh & RXH_IP_DST); 919 sym &= !!(rxfh & RXH_L4_B_0_1) == !!(rxfh & RXH_L4_B_2_3); 920 921 return sym; 922 } 923 924 int ethtool_check_ops(const struct ethtool_ops *ops) 925 { 926 if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params)) 927 return -EINVAL; 928 if (WARN_ON(ops->rxfh_max_num_contexts == 1)) 929 return -EINVAL; 930 if (WARN_ON(ops->supported_input_xfrm && !ops->get_rxfh_fields)) 931 return -EINVAL; 932 if (WARN_ON(ops->supported_input_xfrm && 933 ops->rxfh_per_ctx_fields != ops->rxfh_per_ctx_key)) 934 return -EINVAL; 935 936 /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime, 937 * the fact that ops are checked at registration time does not 938 * mean the ops attached to a netdev later on are sane. 939 */ 940 return 0; 941 } 942 943 void ethtool_ringparam_get_cfg(struct net_device *dev, 944 struct ethtool_ringparam *param, 945 struct kernel_ethtool_ringparam *kparam, 946 struct netlink_ext_ack *extack) 947 { 948 memset(param, 0, sizeof(*param)); 949 memset(kparam, 0, sizeof(*kparam)); 950 951 param->cmd = ETHTOOL_GRINGPARAM; 952 dev->ethtool_ops->get_ringparam(dev, param, kparam, extack); 953 954 /* Driver gives us current state, we want to return current config */ 955 kparam->tcp_data_split = dev->cfg->hds_config; 956 kparam->hds_thresh = dev->cfg->hds_thresh; 957 } 958 959 static void ethtool_init_tsinfo(struct kernel_ethtool_ts_info *info) 960 { 961 memset(info, 0, sizeof(*info)); 962 info->cmd = ETHTOOL_GET_TS_INFO; 963 info->phc_index = -1; 964 } 965 966 int ethtool_net_get_ts_info_by_phc(struct net_device *dev, 967 struct kernel_ethtool_ts_info *info, 968 struct hwtstamp_provider_desc *hwprov_desc) 969 { 970 const struct ethtool_ops *ops = dev->ethtool_ops; 971 int err; 972 973 if (!ops->get_ts_info) 974 return -EOPNOTSUPP; 975 976 /* Does ptp comes from netdev */ 977 ethtool_init_tsinfo(info); 978 info->phc_qualifier = hwprov_desc->qualifier; 979 err = ops->get_ts_info(dev, info); 980 if (err) 981 return err; 982 983 if (info->phc_index == hwprov_desc->index && 984 net_support_hwtstamp_qualifier(dev, hwprov_desc->qualifier)) 985 return 0; 986 987 return -ENODEV; 988 } 989 990 struct phy_device * 991 ethtool_phy_get_ts_info_by_phc(struct net_device *dev, 992 struct kernel_ethtool_ts_info *info, 993 struct hwtstamp_provider_desc *hwprov_desc) 994 { 995 int err; 996 997 /* Only precise qualifier is supported in phydev */ 998 if (hwprov_desc->qualifier != HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 999 return ERR_PTR(-ENODEV); 1000 1001 /* Look in the phy topology */ 1002 if (dev->link_topo) { 1003 struct phy_device_node *pdn; 1004 unsigned long phy_index; 1005 1006 xa_for_each(&dev->link_topo->phys, phy_index, pdn) { 1007 if (!phy_has_tsinfo(pdn->phy)) 1008 continue; 1009 1010 ethtool_init_tsinfo(info); 1011 err = phy_ts_info(pdn->phy, info); 1012 if (err) 1013 return ERR_PTR(err); 1014 1015 if (info->phc_index == hwprov_desc->index) 1016 return pdn->phy; 1017 } 1018 return ERR_PTR(-ENODEV); 1019 } 1020 1021 /* Look on the dev->phydev */ 1022 if (phy_has_tsinfo(dev->phydev)) { 1023 ethtool_init_tsinfo(info); 1024 err = phy_ts_info(dev->phydev, info); 1025 if (err) 1026 return ERR_PTR(err); 1027 1028 if (info->phc_index == hwprov_desc->index) 1029 return dev->phydev; 1030 } 1031 1032 return ERR_PTR(-ENODEV); 1033 } 1034 1035 int ethtool_get_ts_info_by_phc(struct net_device *dev, 1036 struct kernel_ethtool_ts_info *info, 1037 struct hwtstamp_provider_desc *hwprov_desc) 1038 { 1039 int err; 1040 1041 err = ethtool_net_get_ts_info_by_phc(dev, info, hwprov_desc); 1042 if (err == -ENODEV || err == -EOPNOTSUPP) { 1043 struct phy_device *phy; 1044 1045 phy = ethtool_phy_get_ts_info_by_phc(dev, info, hwprov_desc); 1046 if (IS_ERR(phy)) 1047 return PTR_ERR(phy); 1048 1049 /* Report the phc source only if we have a real 1050 * phc source with an index. 1051 */ 1052 if (info->phc_index >= 0) { 1053 info->phc_source = HWTSTAMP_SOURCE_PHYLIB; 1054 info->phc_phyindex = phy->phyindex; 1055 } 1056 err = 0; 1057 } else if (!err && info->phc_index >= 0) { 1058 info->phc_source = HWTSTAMP_SOURCE_NETDEV; 1059 } 1060 1061 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 1062 SOF_TIMESTAMPING_SOFTWARE; 1063 1064 return err; 1065 } 1066 1067 int __ethtool_get_ts_info(struct net_device *dev, 1068 struct kernel_ethtool_ts_info *info) 1069 { 1070 struct hwtstamp_provider *hwprov; 1071 int err = 0; 1072 1073 rcu_read_lock(); 1074 hwprov = rcu_dereference(dev->hwprov); 1075 /* No provider specified, use default behavior */ 1076 if (!hwprov) { 1077 const struct ethtool_ops *ops = dev->ethtool_ops; 1078 struct phy_device *phydev = dev->phydev; 1079 1080 ethtool_init_tsinfo(info); 1081 if (phy_is_default_hwtstamp(phydev) && 1082 phy_has_tsinfo(phydev)) { 1083 err = phy_ts_info(phydev, info); 1084 /* Report the phc source only if we have a real 1085 * phc source with an index. 1086 */ 1087 if (!err && info->phc_index >= 0) { 1088 info->phc_source = HWTSTAMP_SOURCE_PHYLIB; 1089 info->phc_phyindex = phydev->phyindex; 1090 } 1091 } else if (ops->get_ts_info) { 1092 err = ops->get_ts_info(dev, info); 1093 if (!err && info->phc_index >= 0) 1094 info->phc_source = HWTSTAMP_SOURCE_NETDEV; 1095 } 1096 1097 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 1098 SOF_TIMESTAMPING_SOFTWARE; 1099 1100 rcu_read_unlock(); 1101 return err; 1102 } 1103 1104 err = ethtool_get_ts_info_by_phc(dev, info, &hwprov->desc); 1105 rcu_read_unlock(); 1106 return err; 1107 } 1108 1109 bool net_support_hwtstamp_qualifier(struct net_device *dev, 1110 enum hwtstamp_provider_qualifier qualifier) 1111 { 1112 const struct ethtool_ops *ops = dev->ethtool_ops; 1113 1114 if (!ops) 1115 return false; 1116 1117 /* Return true with precise qualifier and with NIC without 1118 * qualifier description to not break the old behavior. 1119 */ 1120 if (!ops->supported_hwtstamp_qualifiers && 1121 qualifier == HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 1122 return true; 1123 1124 if (ops->supported_hwtstamp_qualifiers & BIT(qualifier)) 1125 return true; 1126 1127 return false; 1128 } 1129 1130 int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index) 1131 { 1132 struct kernel_ethtool_ts_info info = { }; 1133 int num = 0; 1134 1135 if (!__ethtool_get_ts_info(dev, &info)) 1136 num = ptp_get_vclocks_index(info.phc_index, vclock_index); 1137 1138 return num; 1139 } 1140 EXPORT_SYMBOL(ethtool_get_phc_vclocks); 1141 1142 int ethtool_get_ts_info_by_layer(struct net_device *dev, struct kernel_ethtool_ts_info *info) 1143 { 1144 return __ethtool_get_ts_info(dev, info); 1145 } 1146 EXPORT_SYMBOL(ethtool_get_ts_info_by_layer); 1147 1148 const struct ethtool_phy_ops *ethtool_phy_ops; 1149 1150 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops) 1151 { 1152 ASSERT_RTNL(); 1153 ethtool_phy_ops = ops; 1154 } 1155 EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops); 1156 1157 void 1158 ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, 1159 enum ethtool_link_mode_bit_indices link_mode) 1160 { 1161 const struct link_mode_info *link_info; 1162 1163 if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS)) 1164 return; 1165 1166 link_info = &link_mode_params[link_mode]; 1167 link_ksettings->base.speed = link_info->speed; 1168 link_ksettings->lanes = link_info->lanes; 1169 link_ksettings->base.duplex = link_info->duplex; 1170 } 1171 EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode); 1172 1173 /** 1174 * ethtool_forced_speed_maps_init 1175 * @maps: Pointer to an array of Ethtool forced speed map 1176 * @size: Array size 1177 * 1178 * Initialize an array of Ethtool forced speed map to Ethtool link modes. This 1179 * should be called during driver module init. 1180 */ 1181 void 1182 ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size) 1183 { 1184 for (u32 i = 0; i < size; i++) { 1185 struct ethtool_forced_speed_map *map = &maps[i]; 1186 1187 linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps); 1188 map->cap_arr = NULL; 1189 map->arr_size = 0; 1190 } 1191 } 1192 EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init); 1193 1194 void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id) 1195 { 1196 struct ethtool_rxfh_context *ctx; 1197 1198 WARN_ONCE(!rtnl_is_locked() && 1199 !lockdep_is_held_type(&dev->ethtool->rss_lock, -1), 1200 "RSS context lock assertion failed\n"); 1201 1202 netdev_err(dev, "device error, RSS context %d lost\n", context_id); 1203 ctx = xa_erase(&dev->ethtool->rss_ctx, context_id); 1204 kfree(ctx); 1205 ethtool_rss_notify(dev, ETHTOOL_MSG_RSS_DELETE_NTF, context_id); 1206 } 1207 EXPORT_SYMBOL(ethtool_rxfh_context_lost); 1208 1209 bool netif_is_rxfh_configured(const struct net_device *dev) 1210 { 1211 return dev->ethtool->rss_indir_user_size; 1212 } 1213 EXPORT_SYMBOL(netif_is_rxfh_configured); 1214 1215 /** 1216 * ethtool_rxfh_indir_lost - Notify core that the RSS indirection table was lost 1217 * @dev: network device 1218 * 1219 * Drivers should call this when the device can no longer maintain the 1220 * user-configured indirection table, typically after a HW fault recovery 1221 * that reduced the maximum queue count. Marks the default RSS context 1222 * indirection table as unconfigured and sends an %ETHTOOL_MSG_RSS_NTF 1223 * notification. 1224 */ 1225 void ethtool_rxfh_indir_lost(struct net_device *dev) 1226 { 1227 WARN_ONCE(!rtnl_is_locked() && 1228 !lockdep_is_held_type(&dev->ethtool->rss_lock, -1), 1229 "RSS context lock assertion failed\n"); 1230 1231 netdev_err(dev, "device error, RSS indirection table lost\n"); 1232 dev->ethtool->rss_indir_user_size = 0; 1233 ethtool_rss_notify(dev, ETHTOOL_MSG_RSS_NTF, 0); 1234 } 1235 EXPORT_SYMBOL(ethtool_rxfh_indir_lost); 1236 1237 static bool ethtool_rxfh_is_periodic(const u32 *tbl, u32 old_size, u32 new_size) 1238 { 1239 u32 i; 1240 1241 for (i = new_size; i < old_size; i++) 1242 if (tbl[i] != tbl[i % new_size]) 1243 return false; 1244 return true; 1245 } 1246 1247 static bool ethtool_rxfh_can_resize(const u32 *tbl, u32 old_size, u32 new_size, 1248 u32 user_size) 1249 { 1250 if (new_size == old_size) 1251 return true; 1252 1253 if (!user_size) 1254 return true; 1255 1256 if (new_size < old_size) { 1257 if (new_size < user_size) 1258 return false; 1259 if (old_size % new_size) 1260 return false; 1261 if (!ethtool_rxfh_is_periodic(tbl, old_size, new_size)) 1262 return false; 1263 return true; 1264 } 1265 1266 if (new_size % old_size) 1267 return false; 1268 return true; 1269 } 1270 1271 /* Resize without validation; caller must have called can_resize first */ 1272 static void ethtool_rxfh_resize(u32 *tbl, u32 old_size, u32 new_size) 1273 { 1274 u32 i; 1275 1276 /* Grow: replicate existing pattern; shrink is a no-op on the data */ 1277 for (i = old_size; i < new_size; i++) 1278 tbl[i] = tbl[i % old_size]; 1279 } 1280 1281 /** 1282 * ethtool_rxfh_indir_can_resize - Check if context 0 indir table can resize 1283 * @dev: network device 1284 * @tbl: indirection table 1285 * @old_size: current number of entries in the table 1286 * @new_size: desired number of entries 1287 * 1288 * Validate that @tbl can be resized from @old_size to @new_size without 1289 * data loss. Uses the user_size floor from context 0. When user_size is 1290 * zero the table is not user-configured and resize always succeeds. 1291 * Read-only; does not modify the table. 1292 * 1293 * Return: true if resize is possible, false otherwise. 1294 */ 1295 bool ethtool_rxfh_indir_can_resize(struct net_device *dev, const u32 *tbl, 1296 u32 old_size, u32 new_size) 1297 { 1298 return ethtool_rxfh_can_resize(tbl, old_size, new_size, 1299 dev->ethtool->rss_indir_user_size); 1300 } 1301 EXPORT_SYMBOL(ethtool_rxfh_indir_can_resize); 1302 1303 /** 1304 * ethtool_rxfh_indir_resize - Fold or unfold context 0 indirection table 1305 * @dev: network device 1306 * @tbl: indirection table (must have room for max(old_size, new_size) entries) 1307 * @old_size: current number of entries in the table 1308 * @new_size: desired number of entries 1309 * 1310 * Resize the default RSS context indirection table in place. Caller 1311 * must have validated with ethtool_rxfh_indir_can_resize() first. 1312 */ 1313 void ethtool_rxfh_indir_resize(struct net_device *dev, u32 *tbl, 1314 u32 old_size, u32 new_size) 1315 { 1316 if (!dev->ethtool->rss_indir_user_size) 1317 return; 1318 1319 ethtool_rxfh_resize(tbl, old_size, new_size); 1320 } 1321 EXPORT_SYMBOL(ethtool_rxfh_indir_resize); 1322 1323 /** 1324 * ethtool_rxfh_ctxs_can_resize - Validate resize for all RSS contexts 1325 * @dev: network device 1326 * @new_indir_size: new indirection table size 1327 * 1328 * Validate that the indirection tables of all non-default RSS contexts 1329 * can be resized to @new_indir_size. Read-only; does not modify any 1330 * context. Intended to be paired with ethtool_rxfh_ctxs_resize(). 1331 * 1332 * Return: 0 if all contexts can be resized, negative errno on failure. 1333 */ 1334 int ethtool_rxfh_ctxs_can_resize(struct net_device *dev, u32 new_indir_size) 1335 { 1336 struct ethtool_rxfh_context *ctx; 1337 unsigned long context; 1338 int ret = 0; 1339 1340 if (!dev->ethtool_ops->rxfh_indir_space || 1341 new_indir_size > dev->ethtool_ops->rxfh_indir_space) 1342 return -EINVAL; 1343 1344 mutex_lock(&dev->ethtool->rss_lock); 1345 xa_for_each(&dev->ethtool->rss_ctx, context, ctx) { 1346 u32 *indir = ethtool_rxfh_context_indir(ctx); 1347 1348 if (!ethtool_rxfh_can_resize(indir, ctx->indir_size, 1349 new_indir_size, 1350 ctx->indir_user_size)) { 1351 ret = -EINVAL; 1352 goto unlock; 1353 } 1354 } 1355 unlock: 1356 mutex_unlock(&dev->ethtool->rss_lock); 1357 return ret; 1358 } 1359 EXPORT_SYMBOL(ethtool_rxfh_ctxs_can_resize); 1360 1361 /** 1362 * ethtool_rxfh_ctxs_resize - Resize all RSS context indirection tables 1363 * @dev: network device 1364 * @new_indir_size: new indirection table size 1365 * 1366 * Resize the indirection table of every non-default RSS context to 1367 * @new_indir_size. Caller must have validated with 1368 * ethtool_rxfh_ctxs_can_resize() first. An %ETHTOOL_MSG_RSS_NTF is 1369 * sent for each resized context. 1370 * 1371 * Notifications are sent outside the RSS lock to avoid holding the 1372 * mutex during notification delivery. 1373 */ 1374 void ethtool_rxfh_ctxs_resize(struct net_device *dev, u32 new_indir_size) 1375 { 1376 struct ethtool_rxfh_context *ctx; 1377 unsigned long context; 1378 1379 mutex_lock(&dev->ethtool->rss_lock); 1380 xa_for_each(&dev->ethtool->rss_ctx, context, ctx) { 1381 ethtool_rxfh_resize(ethtool_rxfh_context_indir(ctx), 1382 ctx->indir_size, new_indir_size); 1383 ctx->indir_size = new_indir_size; 1384 } 1385 mutex_unlock(&dev->ethtool->rss_lock); 1386 1387 xa_for_each(&dev->ethtool->rss_ctx, context, ctx) 1388 ethtool_rss_notify(dev, ETHTOOL_MSG_RSS_NTF, context); 1389 } 1390 EXPORT_SYMBOL(ethtool_rxfh_ctxs_resize); 1391 1392 enum ethtool_link_medium ethtool_str_to_medium(const char *str) 1393 { 1394 int i; 1395 1396 for (i = 0; i < __ETHTOOL_LINK_MEDIUM_LAST; i++) 1397 if (!strcmp(ethtool_link_medium_names[i], str)) 1398 return i; 1399 1400 return ETHTOOL_LINK_MEDIUM_NONE; 1401 } 1402 EXPORT_SYMBOL_GPL(ethtool_str_to_medium); 1403