tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
fork atom
kernel / net / ethtool / common.c
at v6.14-rc2 997 lines 33 kB view raw
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 10#include "netlink.h" 11#include "common.h" 12#include "../core/dev.h" 13 14 15const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = { 16 [NETIF_F_SG_BIT] = "tx-scatter-gather", 17 [NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4", 18 [NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic", 19 [NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6", 20 [NETIF_F_HIGHDMA_BIT] = "highdma", 21 [NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist", 22 [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert", 23 24 [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse", 25 [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter", 26 [NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert", 27 [NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse", 28 [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter", 29 [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged", 30 [NETIF_F_GSO_BIT] = "tx-generic-segmentation", 31 [NETIF_F_GRO_BIT] = "rx-gro", 32 [NETIF_F_GRO_HW_BIT] = "rx-gro-hw", 33 [NETIF_F_LRO_BIT] = "rx-lro", 34 35 [NETIF_F_TSO_BIT] = "tx-tcp-segmentation", 36 [NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust", 37 [NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation", 38 [NETIF_F_TSO_MANGLEID_BIT] = "tx-tcp-mangleid-segmentation", 39 [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation", 40 [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation", 41 [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation", 42 [NETIF_F_GSO_GRE_CSUM_BIT] = "tx-gre-csum-segmentation", 43 [NETIF_F_GSO_IPXIP4_BIT] = "tx-ipxip4-segmentation", 44 [NETIF_F_GSO_IPXIP6_BIT] = "tx-ipxip6-segmentation", 45 [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation", 46 [NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation", 47 [NETIF_F_GSO_PARTIAL_BIT] = "tx-gso-partial", 48 [NETIF_F_GSO_TUNNEL_REMCSUM_BIT] = "tx-tunnel-remcsum-segmentation", 49 [NETIF_F_GSO_SCTP_BIT] = "tx-sctp-segmentation", 50 [NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation", 51 [NETIF_F_GSO_UDP_L4_BIT] = "tx-udp-segmentation", 52 [NETIF_F_GSO_FRAGLIST_BIT] = "tx-gso-list", 53 54 [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc", 55 [NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp", 56 [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter", 57 [NETIF_F_RXHASH_BIT] = "rx-hashing", 58 [NETIF_F_RXCSUM_BIT] = "rx-checksum", 59 [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy", 60 [NETIF_F_LOOPBACK_BIT] = "loopback", 61 [NETIF_F_RXFCS_BIT] = "rx-fcs", 62 [NETIF_F_RXALL_BIT] = "rx-all", 63 [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload", 64 [NETIF_F_HW_TC_BIT] = "hw-tc-offload", 65 [NETIF_F_HW_ESP_BIT] = "esp-hw-offload", 66 [NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload", 67 [NETIF_F_RX_UDP_TUNNEL_PORT_BIT] = "rx-udp_tunnel-port-offload", 68 [NETIF_F_HW_TLS_RECORD_BIT] = "tls-hw-record", 69 [NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload", 70 [NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload", 71 [NETIF_F_GRO_FRAGLIST_BIT] = "rx-gro-list", 72 [NETIF_F_HW_MACSEC_BIT] = "macsec-hw-offload", 73 [NETIF_F_GRO_UDP_FWD_BIT] = "rx-udp-gro-forwarding", 74 [NETIF_F_HW_HSR_TAG_INS_BIT] = "hsr-tag-ins-offload", 75 [NETIF_F_HW_HSR_TAG_RM_BIT] = "hsr-tag-rm-offload", 76 [NETIF_F_HW_HSR_FWD_BIT] = "hsr-fwd-offload", 77 [NETIF_F_HW_HSR_DUP_BIT] = "hsr-dup-offload", 78}; 79 80const char 81rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = { 82 [ETH_RSS_HASH_TOP_BIT] = "toeplitz", 83 [ETH_RSS_HASH_XOR_BIT] = "xor", 84 [ETH_RSS_HASH_CRC32_BIT] = "crc32", 85}; 86 87const char 88tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = { 89 [ETHTOOL_ID_UNSPEC] = "Unspec", 90 [ETHTOOL_RX_COPYBREAK] = "rx-copybreak", 91 [ETHTOOL_TX_COPYBREAK] = "tx-copybreak", 92 [ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout", 93 [ETHTOOL_TX_COPYBREAK_BUF_SIZE] = "tx-copybreak-buf-size", 94}; 95 96const char 97phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = { 98 [ETHTOOL_ID_UNSPEC] = "Unspec", 99 [ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift", 100 [ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down", 101 [ETHTOOL_PHY_EDPD] = "phy-energy-detect-power-down", 102}; 103 104#define __LINK_MODE_NAME(speed, type, duplex) \ 105 #speed "base" #type "/" #duplex 106#define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \ 107 [ETHTOOL_LINK_MODE(speed, type, duplex)] = \ 108 __LINK_MODE_NAME(speed, type, duplex) 109#define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \ 110 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name 111 112const char link_mode_names[][ETH_GSTRING_LEN] = { 113 __DEFINE_LINK_MODE_NAME(10, T, Half), 114 __DEFINE_LINK_MODE_NAME(10, T, Full), 115 __DEFINE_LINK_MODE_NAME(100, T, Half), 116 __DEFINE_LINK_MODE_NAME(100, T, Full), 117 __DEFINE_LINK_MODE_NAME(1000, T, Half), 118 __DEFINE_LINK_MODE_NAME(1000, T, Full), 119 __DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"), 120 __DEFINE_SPECIAL_MODE_NAME(TP, "TP"), 121 __DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"), 122 __DEFINE_SPECIAL_MODE_NAME(MII, "MII"), 123 __DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"), 124 __DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"), 125 __DEFINE_LINK_MODE_NAME(10000, T, Full), 126 __DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"), 127 __DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"), 128 __DEFINE_LINK_MODE_NAME(2500, X, Full), 129 __DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"), 130 __DEFINE_LINK_MODE_NAME(1000, KX, Full), 131 __DEFINE_LINK_MODE_NAME(10000, KX4, Full), 132 __DEFINE_LINK_MODE_NAME(10000, KR, Full), 133 __DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"), 134 __DEFINE_LINK_MODE_NAME(20000, MLD2, Full), 135 __DEFINE_LINK_MODE_NAME(20000, KR2, Full), 136 __DEFINE_LINK_MODE_NAME(40000, KR4, Full), 137 __DEFINE_LINK_MODE_NAME(40000, CR4, Full), 138 __DEFINE_LINK_MODE_NAME(40000, SR4, Full), 139 __DEFINE_LINK_MODE_NAME(40000, LR4, Full), 140 __DEFINE_LINK_MODE_NAME(56000, KR4, Full), 141 __DEFINE_LINK_MODE_NAME(56000, CR4, Full), 142 __DEFINE_LINK_MODE_NAME(56000, SR4, Full), 143 __DEFINE_LINK_MODE_NAME(56000, LR4, Full), 144 __DEFINE_LINK_MODE_NAME(25000, CR, Full), 145 __DEFINE_LINK_MODE_NAME(25000, KR, Full), 146 __DEFINE_LINK_MODE_NAME(25000, SR, Full), 147 __DEFINE_LINK_MODE_NAME(50000, CR2, Full), 148 __DEFINE_LINK_MODE_NAME(50000, KR2, Full), 149 __DEFINE_LINK_MODE_NAME(100000, KR4, Full), 150 __DEFINE_LINK_MODE_NAME(100000, SR4, Full), 151 __DEFINE_LINK_MODE_NAME(100000, CR4, Full), 152 __DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full), 153 __DEFINE_LINK_MODE_NAME(50000, SR2, Full), 154 __DEFINE_LINK_MODE_NAME(1000, X, Full), 155 __DEFINE_LINK_MODE_NAME(10000, CR, Full), 156 __DEFINE_LINK_MODE_NAME(10000, SR, Full), 157 __DEFINE_LINK_MODE_NAME(10000, LR, Full), 158 __DEFINE_LINK_MODE_NAME(10000, LRM, Full), 159 __DEFINE_LINK_MODE_NAME(10000, ER, Full), 160 __DEFINE_LINK_MODE_NAME(2500, T, Full), 161 __DEFINE_LINK_MODE_NAME(5000, T, Full), 162 __DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"), 163 __DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"), 164 __DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"), 165 __DEFINE_LINK_MODE_NAME(50000, KR, Full), 166 __DEFINE_LINK_MODE_NAME(50000, SR, Full), 167 __DEFINE_LINK_MODE_NAME(50000, CR, Full), 168 __DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full), 169 __DEFINE_LINK_MODE_NAME(50000, DR, Full), 170 __DEFINE_LINK_MODE_NAME(100000, KR2, Full), 171 __DEFINE_LINK_MODE_NAME(100000, SR2, Full), 172 __DEFINE_LINK_MODE_NAME(100000, CR2, Full), 173 __DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full), 174 __DEFINE_LINK_MODE_NAME(100000, DR2, Full), 175 __DEFINE_LINK_MODE_NAME(200000, KR4, Full), 176 __DEFINE_LINK_MODE_NAME(200000, SR4, Full), 177 __DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full), 178 __DEFINE_LINK_MODE_NAME(200000, DR4, Full), 179 __DEFINE_LINK_MODE_NAME(200000, CR4, Full), 180 __DEFINE_LINK_MODE_NAME(100, T1, Full), 181 __DEFINE_LINK_MODE_NAME(1000, T1, Full), 182 __DEFINE_LINK_MODE_NAME(400000, KR8, Full), 183 __DEFINE_LINK_MODE_NAME(400000, SR8, Full), 184 __DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full), 185 __DEFINE_LINK_MODE_NAME(400000, DR8, Full), 186 __DEFINE_LINK_MODE_NAME(400000, CR8, Full), 187 __DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"), 188 __DEFINE_LINK_MODE_NAME(100000, KR, Full), 189 __DEFINE_LINK_MODE_NAME(100000, SR, Full), 190 __DEFINE_LINK_MODE_NAME(100000, LR_ER_FR, Full), 191 __DEFINE_LINK_MODE_NAME(100000, DR, Full), 192 __DEFINE_LINK_MODE_NAME(100000, CR, Full), 193 __DEFINE_LINK_MODE_NAME(200000, KR2, Full), 194 __DEFINE_LINK_MODE_NAME(200000, SR2, Full), 195 __DEFINE_LINK_MODE_NAME(200000, LR2_ER2_FR2, Full), 196 __DEFINE_LINK_MODE_NAME(200000, DR2, Full), 197 __DEFINE_LINK_MODE_NAME(200000, CR2, Full), 198 __DEFINE_LINK_MODE_NAME(400000, KR4, Full), 199 __DEFINE_LINK_MODE_NAME(400000, SR4, Full), 200 __DEFINE_LINK_MODE_NAME(400000, LR4_ER4_FR4, Full), 201 __DEFINE_LINK_MODE_NAME(400000, DR4, Full), 202 __DEFINE_LINK_MODE_NAME(400000, CR4, Full), 203 __DEFINE_LINK_MODE_NAME(100, FX, Half), 204 __DEFINE_LINK_MODE_NAME(100, FX, Full), 205 __DEFINE_LINK_MODE_NAME(10, T1L, Full), 206 __DEFINE_LINK_MODE_NAME(800000, CR8, Full), 207 __DEFINE_LINK_MODE_NAME(800000, KR8, Full), 208 __DEFINE_LINK_MODE_NAME(800000, DR8, Full), 209 __DEFINE_LINK_MODE_NAME(800000, DR8_2, Full), 210 __DEFINE_LINK_MODE_NAME(800000, SR8, Full), 211 __DEFINE_LINK_MODE_NAME(800000, VR8, Full), 212 __DEFINE_LINK_MODE_NAME(10, T1S, Full), 213 __DEFINE_LINK_MODE_NAME(10, T1S, Half), 214 __DEFINE_LINK_MODE_NAME(10, T1S_P2MP, Half), 215 __DEFINE_LINK_MODE_NAME(10, T1BRR, Full), 216}; 217static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS); 218 219#define __LINK_MODE_LANES_CR 1 220#define __LINK_MODE_LANES_CR2 2 221#define __LINK_MODE_LANES_CR4 4 222#define __LINK_MODE_LANES_CR8 8 223#define __LINK_MODE_LANES_DR 1 224#define __LINK_MODE_LANES_DR2 2 225#define __LINK_MODE_LANES_DR4 4 226#define __LINK_MODE_LANES_DR8 8 227#define __LINK_MODE_LANES_KR 1 228#define __LINK_MODE_LANES_KR2 2 229#define __LINK_MODE_LANES_KR4 4 230#define __LINK_MODE_LANES_KR8 8 231#define __LINK_MODE_LANES_SR 1 232#define __LINK_MODE_LANES_SR2 2 233#define __LINK_MODE_LANES_SR4 4 234#define __LINK_MODE_LANES_SR8 8 235#define __LINK_MODE_LANES_ER 1 236#define __LINK_MODE_LANES_KX 1 237#define __LINK_MODE_LANES_KX4 4 238#define __LINK_MODE_LANES_LR 1 239#define __LINK_MODE_LANES_LR4 4 240#define __LINK_MODE_LANES_LR4_ER4 4 241#define __LINK_MODE_LANES_LR_ER_FR 1 242#define __LINK_MODE_LANES_LR2_ER2_FR2 2 243#define __LINK_MODE_LANES_LR4_ER4_FR4 4 244#define __LINK_MODE_LANES_LR8_ER8_FR8 8 245#define __LINK_MODE_LANES_LRM 1 246#define __LINK_MODE_LANES_MLD2 2 247#define __LINK_MODE_LANES_T 1 248#define __LINK_MODE_LANES_T1 1 249#define __LINK_MODE_LANES_X 1 250#define __LINK_MODE_LANES_FX 1 251#define __LINK_MODE_LANES_T1L 1 252#define __LINK_MODE_LANES_T1S 1 253#define __LINK_MODE_LANES_T1S_P2MP 1 254#define __LINK_MODE_LANES_VR8 8 255#define __LINK_MODE_LANES_DR8_2 8 256#define __LINK_MODE_LANES_T1BRR 1 257 258#define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex) \ 259 [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \ 260 .speed = SPEED_ ## _speed, \ 261 .lanes = __LINK_MODE_LANES_ ## _type, \ 262 .duplex = __DUPLEX_ ## _duplex \ 263 } 264#define __DUPLEX_Half DUPLEX_HALF 265#define __DUPLEX_Full DUPLEX_FULL 266#define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \ 267 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \ 268 .speed = SPEED_UNKNOWN, \ 269 .lanes = 0, \ 270 .duplex = DUPLEX_UNKNOWN, \ 271 } 272 273const struct link_mode_info link_mode_params[] = { 274 __DEFINE_LINK_MODE_PARAMS(10, T, Half), 275 __DEFINE_LINK_MODE_PARAMS(10, T, Full), 276 __DEFINE_LINK_MODE_PARAMS(100, T, Half), 277 __DEFINE_LINK_MODE_PARAMS(100, T, Full), 278 __DEFINE_LINK_MODE_PARAMS(1000, T, Half), 279 __DEFINE_LINK_MODE_PARAMS(1000, T, Full), 280 __DEFINE_SPECIAL_MODE_PARAMS(Autoneg), 281 __DEFINE_SPECIAL_MODE_PARAMS(TP), 282 __DEFINE_SPECIAL_MODE_PARAMS(AUI), 283 __DEFINE_SPECIAL_MODE_PARAMS(MII), 284 __DEFINE_SPECIAL_MODE_PARAMS(FIBRE), 285 __DEFINE_SPECIAL_MODE_PARAMS(BNC), 286 __DEFINE_LINK_MODE_PARAMS(10000, T, Full), 287 __DEFINE_SPECIAL_MODE_PARAMS(Pause), 288 __DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause), 289 __DEFINE_LINK_MODE_PARAMS(2500, X, Full), 290 __DEFINE_SPECIAL_MODE_PARAMS(Backplane), 291 __DEFINE_LINK_MODE_PARAMS(1000, KX, Full), 292 __DEFINE_LINK_MODE_PARAMS(10000, KX4, Full), 293 __DEFINE_LINK_MODE_PARAMS(10000, KR, Full), 294 [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = { 295 .speed = SPEED_10000, 296 .lanes = 1, 297 .duplex = DUPLEX_FULL, 298 }, 299 __DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full), 300 __DEFINE_LINK_MODE_PARAMS(20000, KR2, Full), 301 __DEFINE_LINK_MODE_PARAMS(40000, KR4, Full), 302 __DEFINE_LINK_MODE_PARAMS(40000, CR4, Full), 303 __DEFINE_LINK_MODE_PARAMS(40000, SR4, Full), 304 __DEFINE_LINK_MODE_PARAMS(40000, LR4, Full), 305 __DEFINE_LINK_MODE_PARAMS(56000, KR4, Full), 306 __DEFINE_LINK_MODE_PARAMS(56000, CR4, Full), 307 __DEFINE_LINK_MODE_PARAMS(56000, SR4, Full), 308 __DEFINE_LINK_MODE_PARAMS(56000, LR4, Full), 309 __DEFINE_LINK_MODE_PARAMS(25000, CR, Full), 310 __DEFINE_LINK_MODE_PARAMS(25000, KR, Full), 311 __DEFINE_LINK_MODE_PARAMS(25000, SR, Full), 312 __DEFINE_LINK_MODE_PARAMS(50000, CR2, Full), 313 __DEFINE_LINK_MODE_PARAMS(50000, KR2, Full), 314 __DEFINE_LINK_MODE_PARAMS(100000, KR4, Full), 315 __DEFINE_LINK_MODE_PARAMS(100000, SR4, Full), 316 __DEFINE_LINK_MODE_PARAMS(100000, CR4, Full), 317 __DEFINE_LINK_MODE_PARAMS(100000, LR4_ER4, Full), 318 __DEFINE_LINK_MODE_PARAMS(50000, SR2, Full), 319 __DEFINE_LINK_MODE_PARAMS(1000, X, Full), 320 __DEFINE_LINK_MODE_PARAMS(10000, CR, Full), 321 __DEFINE_LINK_MODE_PARAMS(10000, SR, Full), 322 __DEFINE_LINK_MODE_PARAMS(10000, LR, Full), 323 __DEFINE_LINK_MODE_PARAMS(10000, LRM, Full), 324 __DEFINE_LINK_MODE_PARAMS(10000, ER, Full), 325 __DEFINE_LINK_MODE_PARAMS(2500, T, Full), 326 __DEFINE_LINK_MODE_PARAMS(5000, T, Full), 327 __DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE), 328 __DEFINE_SPECIAL_MODE_PARAMS(FEC_RS), 329 __DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER), 330 __DEFINE_LINK_MODE_PARAMS(50000, KR, Full), 331 __DEFINE_LINK_MODE_PARAMS(50000, SR, Full), 332 __DEFINE_LINK_MODE_PARAMS(50000, CR, Full), 333 __DEFINE_LINK_MODE_PARAMS(50000, LR_ER_FR, Full), 334 __DEFINE_LINK_MODE_PARAMS(50000, DR, Full), 335 __DEFINE_LINK_MODE_PARAMS(100000, KR2, Full), 336 __DEFINE_LINK_MODE_PARAMS(100000, SR2, Full), 337 __DEFINE_LINK_MODE_PARAMS(100000, CR2, Full), 338 __DEFINE_LINK_MODE_PARAMS(100000, LR2_ER2_FR2, Full), 339 __DEFINE_LINK_MODE_PARAMS(100000, DR2, Full), 340 __DEFINE_LINK_MODE_PARAMS(200000, KR4, Full), 341 __DEFINE_LINK_MODE_PARAMS(200000, SR4, Full), 342 __DEFINE_LINK_MODE_PARAMS(200000, LR4_ER4_FR4, Full), 343 __DEFINE_LINK_MODE_PARAMS(200000, DR4, Full), 344 __DEFINE_LINK_MODE_PARAMS(200000, CR4, Full), 345 __DEFINE_LINK_MODE_PARAMS(100, T1, Full), 346 __DEFINE_LINK_MODE_PARAMS(1000, T1, Full), 347 __DEFINE_LINK_MODE_PARAMS(400000, KR8, Full), 348 __DEFINE_LINK_MODE_PARAMS(400000, SR8, Full), 349 __DEFINE_LINK_MODE_PARAMS(400000, LR8_ER8_FR8, Full), 350 __DEFINE_LINK_MODE_PARAMS(400000, DR8, Full), 351 __DEFINE_LINK_MODE_PARAMS(400000, CR8, Full), 352 __DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS), 353 __DEFINE_LINK_MODE_PARAMS(100000, KR, Full), 354 __DEFINE_LINK_MODE_PARAMS(100000, SR, Full), 355 __DEFINE_LINK_MODE_PARAMS(100000, LR_ER_FR, Full), 356 __DEFINE_LINK_MODE_PARAMS(100000, DR, Full), 357 __DEFINE_LINK_MODE_PARAMS(100000, CR, Full), 358 __DEFINE_LINK_MODE_PARAMS(200000, KR2, Full), 359 __DEFINE_LINK_MODE_PARAMS(200000, SR2, Full), 360 __DEFINE_LINK_MODE_PARAMS(200000, LR2_ER2_FR2, Full), 361 __DEFINE_LINK_MODE_PARAMS(200000, DR2, Full), 362 __DEFINE_LINK_MODE_PARAMS(200000, CR2, Full), 363 __DEFINE_LINK_MODE_PARAMS(400000, KR4, Full), 364 __DEFINE_LINK_MODE_PARAMS(400000, SR4, Full), 365 __DEFINE_LINK_MODE_PARAMS(400000, LR4_ER4_FR4, Full), 366 __DEFINE_LINK_MODE_PARAMS(400000, DR4, Full), 367 __DEFINE_LINK_MODE_PARAMS(400000, CR4, Full), 368 __DEFINE_LINK_MODE_PARAMS(100, FX, Half), 369 __DEFINE_LINK_MODE_PARAMS(100, FX, Full), 370 __DEFINE_LINK_MODE_PARAMS(10, T1L, Full), 371 __DEFINE_LINK_MODE_PARAMS(800000, CR8, Full), 372 __DEFINE_LINK_MODE_PARAMS(800000, KR8, Full), 373 __DEFINE_LINK_MODE_PARAMS(800000, DR8, Full), 374 __DEFINE_LINK_MODE_PARAMS(800000, DR8_2, Full), 375 __DEFINE_LINK_MODE_PARAMS(800000, SR8, Full), 376 __DEFINE_LINK_MODE_PARAMS(800000, VR8, Full), 377 __DEFINE_LINK_MODE_PARAMS(10, T1S, Full), 378 __DEFINE_LINK_MODE_PARAMS(10, T1S, Half), 379 __DEFINE_LINK_MODE_PARAMS(10, T1S_P2MP, Half), 380 __DEFINE_LINK_MODE_PARAMS(10, T1BRR, Full), 381}; 382static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS); 383 384const char netif_msg_class_names[][ETH_GSTRING_LEN] = { 385 [NETIF_MSG_DRV_BIT] = "drv", 386 [NETIF_MSG_PROBE_BIT] = "probe", 387 [NETIF_MSG_LINK_BIT] = "link", 388 [NETIF_MSG_TIMER_BIT] = "timer", 389 [NETIF_MSG_IFDOWN_BIT] = "ifdown", 390 [NETIF_MSG_IFUP_BIT] = "ifup", 391 [NETIF_MSG_RX_ERR_BIT] = "rx_err", 392 [NETIF_MSG_TX_ERR_BIT] = "tx_err", 393 [NETIF_MSG_TX_QUEUED_BIT] = "tx_queued", 394 [NETIF_MSG_INTR_BIT] = "intr", 395 [NETIF_MSG_TX_DONE_BIT] = "tx_done", 396 [NETIF_MSG_RX_STATUS_BIT] = "rx_status", 397 [NETIF_MSG_PKTDATA_BIT] = "pktdata", 398 [NETIF_MSG_HW_BIT] = "hw", 399 [NETIF_MSG_WOL_BIT] = "wol", 400}; 401static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT); 402 403const char wol_mode_names[][ETH_GSTRING_LEN] = { 404 [const_ilog2(WAKE_PHY)] = "phy", 405 [const_ilog2(WAKE_UCAST)] = "ucast", 406 [const_ilog2(WAKE_MCAST)] = "mcast", 407 [const_ilog2(WAKE_BCAST)] = "bcast", 408 [const_ilog2(WAKE_ARP)] = "arp", 409 [const_ilog2(WAKE_MAGIC)] = "magic", 410 [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure", 411 [const_ilog2(WAKE_FILTER)] = "filter", 412}; 413static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT); 414 415const char sof_timestamping_names[][ETH_GSTRING_LEN] = { 416 [const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)] = "hardware-transmit", 417 [const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)] = "software-transmit", 418 [const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)] = "hardware-receive", 419 [const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)] = "software-receive", 420 [const_ilog2(SOF_TIMESTAMPING_SOFTWARE)] = "software-system-clock", 421 [const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock", 422 [const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock", 423 [const_ilog2(SOF_TIMESTAMPING_OPT_ID)] = "option-id", 424 [const_ilog2(SOF_TIMESTAMPING_TX_SCHED)] = "sched-transmit", 425 [const_ilog2(SOF_TIMESTAMPING_TX_ACK)] = "ack-transmit", 426 [const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)] = "option-cmsg", 427 [const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)] = "option-tsonly", 428 [const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats", 429 [const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo", 430 [const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw", 431 [const_ilog2(SOF_TIMESTAMPING_BIND_PHC)] = "bind-phc", 432 [const_ilog2(SOF_TIMESTAMPING_OPT_ID_TCP)] = "option-id-tcp", 433 [const_ilog2(SOF_TIMESTAMPING_OPT_RX_FILTER)] = "option-rx-filter", 434}; 435static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT); 436 437const char ts_tx_type_names[][ETH_GSTRING_LEN] = { 438 [HWTSTAMP_TX_OFF] = "off", 439 [HWTSTAMP_TX_ON] = "on", 440 [HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync", 441 [HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p", 442}; 443static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT); 444 445const char ts_rx_filter_names[][ETH_GSTRING_LEN] = { 446 [HWTSTAMP_FILTER_NONE] = "none", 447 [HWTSTAMP_FILTER_ALL] = "all", 448 [HWTSTAMP_FILTER_SOME] = "some", 449 [HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event", 450 [HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync", 451 [HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req", 452 [HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event", 453 [HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync", 454 [HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req", 455 [HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event", 456 [HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync", 457 [HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req", 458 [HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event", 459 [HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync", 460 [HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req", 461 [HWTSTAMP_FILTER_NTP_ALL] = "ntp-all", 462}; 463static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT); 464 465const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = { 466 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN] = "vxlan", 467 [ETHTOOL_UDP_TUNNEL_TYPE_GENEVE] = "geneve", 468 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE] = "vxlan-gpe", 469}; 470static_assert(ARRAY_SIZE(udp_tunnel_type_names) == 471 __ETHTOOL_UDP_TUNNEL_TYPE_CNT); 472 473/* return false if legacy contained non-0 deprecated fields 474 * maxtxpkt/maxrxpkt. rest of ksettings always updated 475 */ 476bool 477convert_legacy_settings_to_link_ksettings( 478 struct ethtool_link_ksettings *link_ksettings, 479 const struct ethtool_cmd *legacy_settings) 480{ 481 bool retval = true; 482 483 memset(link_ksettings, 0, sizeof(*link_ksettings)); 484 485 /* This is used to tell users that driver is still using these 486 * deprecated legacy fields, and they should not use 487 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS 488 */ 489 if (legacy_settings->maxtxpkt || 490 legacy_settings->maxrxpkt) 491 retval = false; 492 493 ethtool_convert_legacy_u32_to_link_mode( 494 link_ksettings->link_modes.supported, 495 legacy_settings->supported); 496 ethtool_convert_legacy_u32_to_link_mode( 497 link_ksettings->link_modes.advertising, 498 legacy_settings->advertising); 499 ethtool_convert_legacy_u32_to_link_mode( 500 link_ksettings->link_modes.lp_advertising, 501 legacy_settings->lp_advertising); 502 link_ksettings->base.speed 503 = ethtool_cmd_speed(legacy_settings); 504 link_ksettings->base.duplex 505 = legacy_settings->duplex; 506 link_ksettings->base.port 507 = legacy_settings->port; 508 link_ksettings->base.phy_address 509 = legacy_settings->phy_address; 510 link_ksettings->base.autoneg 511 = legacy_settings->autoneg; 512 link_ksettings->base.mdio_support 513 = legacy_settings->mdio_support; 514 link_ksettings->base.eth_tp_mdix 515 = legacy_settings->eth_tp_mdix; 516 link_ksettings->base.eth_tp_mdix_ctrl 517 = legacy_settings->eth_tp_mdix_ctrl; 518 return retval; 519} 520 521int __ethtool_get_link(struct net_device *dev) 522{ 523 if (!dev->ethtool_ops->get_link) 524 return -EOPNOTSUPP; 525 526 return netif_running(dev) && dev->ethtool_ops->get_link(dev); 527} 528 529static int ethtool_get_rxnfc_rule_count(struct net_device *dev) 530{ 531 const struct ethtool_ops *ops = dev->ethtool_ops; 532 struct ethtool_rxnfc info = { 533 .cmd = ETHTOOL_GRXCLSRLCNT, 534 }; 535 int err; 536 537 err = ops->get_rxnfc(dev, &info, NULL); 538 if (err) 539 return err; 540 541 return info.rule_cnt; 542} 543 544/* Max offset for one RSS context */ 545static u32 ethtool_get_rss_ctx_max_channel(struct ethtool_rxfh_context *ctx) 546{ 547 u32 max_ring = 0; 548 u32 i, *tbl; 549 550 if (WARN_ON_ONCE(!ctx)) 551 return 0; 552 tbl = ethtool_rxfh_context_indir(ctx); 553 for (i = 0; i < ctx->indir_size; i++) 554 max_ring = max(max_ring, tbl[i]); 555 return max_ring; 556} 557 558static int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max) 559{ 560 const struct ethtool_ops *ops = dev->ethtool_ops; 561 struct ethtool_rxnfc *info; 562 int err, i, rule_cnt; 563 u64 max_ring = 0; 564 565 if (!ops->get_rxnfc) 566 return -EOPNOTSUPP; 567 568 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 569 if (rule_cnt <= 0) 570 return -EINVAL; 571 572 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); 573 if (!info) 574 return -ENOMEM; 575 576 info->cmd = ETHTOOL_GRXCLSRLALL; 577 info->rule_cnt = rule_cnt; 578 err = ops->get_rxnfc(dev, info, info->rule_locs); 579 if (err) 580 goto err_free_info; 581 582 for (i = 0; i < rule_cnt; i++) { 583 struct ethtool_rxnfc rule_info = { 584 .cmd = ETHTOOL_GRXCLSRULE, 585 .fs.location = info->rule_locs[i], 586 }; 587 588 err = ops->get_rxnfc(dev, &rule_info, NULL); 589 if (err) 590 goto err_free_info; 591 592 if (rule_info.fs.ring_cookie != RX_CLS_FLOW_DISC && 593 rule_info.fs.ring_cookie != RX_CLS_FLOW_WAKE && 594 !ethtool_get_flow_spec_ring_vf(rule_info.fs.ring_cookie)) { 595 u64 ring = rule_info.fs.ring_cookie; 596 597 if (rule_info.flow_type & FLOW_RSS) { 598 struct ethtool_rxfh_context *ctx; 599 600 ctx = xa_load(&dev->ethtool->rss_ctx, 601 rule_info.rss_context); 602 ring += ethtool_get_rss_ctx_max_channel(ctx); 603 } 604 max_ring = max_t(u64, max_ring, ring); 605 } 606 } 607 608 kvfree(info); 609 *max = max_ring; 610 return 0; 611 612err_free_info: 613 kvfree(info); 614 return err; 615} 616 617/* Max offset across all of a device's RSS contexts */ 618static u32 ethtool_get_max_rss_ctx_channel(struct net_device *dev) 619{ 620 struct ethtool_rxfh_context *ctx; 621 unsigned long context; 622 u32 max_ring = 0; 623 624 mutex_lock(&dev->ethtool->rss_lock); 625 xa_for_each(&dev->ethtool->rss_ctx, context, ctx) 626 max_ring = max(max_ring, ethtool_get_rss_ctx_max_channel(ctx)); 627 mutex_unlock(&dev->ethtool->rss_lock); 628 629 return max_ring; 630} 631 632static u32 ethtool_get_max_rxfh_channel(struct net_device *dev) 633{ 634 struct ethtool_rxfh_param rxfh = {}; 635 u32 dev_size, current_max = 0; 636 int ret; 637 638 /* While we do track whether RSS context has an indirection 639 * table explicitly set by the user, no driver looks at that bit. 640 * Assume drivers won't auto-regenerate the additional tables, 641 * to be safe. 642 */ 643 current_max = ethtool_get_max_rss_ctx_channel(dev); 644 645 if (!netif_is_rxfh_configured(dev)) 646 return current_max; 647 648 if (!dev->ethtool_ops->get_rxfh_indir_size || 649 !dev->ethtool_ops->get_rxfh) 650 return current_max; 651 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); 652 if (dev_size == 0) 653 return current_max; 654 655 rxfh.indir = kcalloc(dev_size, sizeof(rxfh.indir[0]), GFP_USER); 656 if (!rxfh.indir) 657 return U32_MAX; 658 659 ret = dev->ethtool_ops->get_rxfh(dev, &rxfh); 660 if (ret) { 661 current_max = U32_MAX; 662 goto out_free; 663 } 664 665 while (dev_size--) 666 current_max = max(current_max, rxfh.indir[dev_size]); 667 668out_free: 669 kfree(rxfh.indir); 670 return current_max; 671} 672 673int ethtool_check_max_channel(struct net_device *dev, 674 struct ethtool_channels channels, 675 struct genl_info *info) 676{ 677 u64 max_rxnfc_in_use; 678 u32 max_rxfh_in_use; 679 int max_mp_in_use; 680 681 /* ensure the new Rx count fits within the configured Rx flow 682 * indirection table/rxnfc settings 683 */ 684 if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use)) 685 max_rxnfc_in_use = 0; 686 max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev); 687 if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) { 688 if (info) 689 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use); 690 return -EINVAL; 691 } 692 if (channels.combined_count + channels.rx_count <= max_rxnfc_in_use) { 693 if (info) 694 GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings"); 695 return -EINVAL; 696 } 697 698 max_mp_in_use = dev_get_min_mp_channel_count(dev); 699 if (channels.combined_count + channels.rx_count <= max_mp_in_use) { 700 if (info) 701 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use); 702 return -EINVAL; 703 } 704 705 return 0; 706} 707 708int ethtool_check_rss_ctx_busy(struct net_device *dev, u32 rss_context) 709{ 710 const struct ethtool_ops *ops = dev->ethtool_ops; 711 struct ethtool_rxnfc *info; 712 int rc, i, rule_cnt; 713 714 if (!ops->get_rxnfc) 715 return 0; 716 717 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 718 if (!rule_cnt) 719 return 0; 720 721 if (rule_cnt < 0) 722 return -EINVAL; 723 724 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); 725 if (!info) 726 return -ENOMEM; 727 728 info->cmd = ETHTOOL_GRXCLSRLALL; 729 info->rule_cnt = rule_cnt; 730 rc = ops->get_rxnfc(dev, info, info->rule_locs); 731 if (rc) 732 goto out_free; 733 734 for (i = 0; i < rule_cnt; i++) { 735 struct ethtool_rxnfc rule_info = { 736 .cmd = ETHTOOL_GRXCLSRULE, 737 .fs.location = info->rule_locs[i], 738 }; 739 740 rc = ops->get_rxnfc(dev, &rule_info, NULL); 741 if (rc) 742 goto out_free; 743 744 if (rule_info.fs.flow_type & FLOW_RSS && 745 rule_info.rss_context == rss_context) { 746 rc = -EBUSY; 747 goto out_free; 748 } 749 } 750 751out_free: 752 kvfree(info); 753 return rc; 754} 755 756int ethtool_check_ops(const struct ethtool_ops *ops) 757{ 758 if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params)) 759 return -EINVAL; 760 if (WARN_ON(ops->rxfh_max_num_contexts == 1)) 761 return -EINVAL; 762 /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime, 763 * the fact that ops are checked at registration time does not 764 * mean the ops attached to a netdev later on are sane. 765 */ 766 return 0; 767} 768 769static void ethtool_init_tsinfo(struct kernel_ethtool_ts_info *info) 770{ 771 memset(info, 0, sizeof(*info)); 772 info->cmd = ETHTOOL_GET_TS_INFO; 773 info->phc_index = -1; 774} 775 776int ethtool_net_get_ts_info_by_phc(struct net_device *dev, 777 struct kernel_ethtool_ts_info *info, 778 struct hwtstamp_provider_desc *hwprov_desc) 779{ 780 const struct ethtool_ops *ops = dev->ethtool_ops; 781 int err; 782 783 if (!ops->get_ts_info) 784 return -ENODEV; 785 786 /* Does ptp comes from netdev */ 787 ethtool_init_tsinfo(info); 788 info->phc_qualifier = hwprov_desc->qualifier; 789 err = ops->get_ts_info(dev, info); 790 if (err) 791 return err; 792 793 if (info->phc_index == hwprov_desc->index && 794 net_support_hwtstamp_qualifier(dev, hwprov_desc->qualifier)) 795 return 0; 796 797 return -ENODEV; 798} 799 800struct phy_device * 801ethtool_phy_get_ts_info_by_phc(struct net_device *dev, 802 struct kernel_ethtool_ts_info *info, 803 struct hwtstamp_provider_desc *hwprov_desc) 804{ 805 int err; 806 807 /* Only precise qualifier is supported in phydev */ 808 if (hwprov_desc->qualifier != HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 809 return ERR_PTR(-ENODEV); 810 811 /* Look in the phy topology */ 812 if (dev->link_topo) { 813 struct phy_device_node *pdn; 814 unsigned long phy_index; 815 816 xa_for_each(&dev->link_topo->phys, phy_index, pdn) { 817 if (!phy_has_tsinfo(pdn->phy)) 818 continue; 819 820 ethtool_init_tsinfo(info); 821 err = phy_ts_info(pdn->phy, info); 822 if (err) 823 return ERR_PTR(err); 824 825 if (info->phc_index == hwprov_desc->index) 826 return pdn->phy; 827 } 828 return ERR_PTR(-ENODEV); 829 } 830 831 /* Look on the dev->phydev */ 832 if (phy_has_tsinfo(dev->phydev)) { 833 ethtool_init_tsinfo(info); 834 err = phy_ts_info(dev->phydev, info); 835 if (err) 836 return ERR_PTR(err); 837 838 if (info->phc_index == hwprov_desc->index) 839 return dev->phydev; 840 } 841 842 return ERR_PTR(-ENODEV); 843} 844 845int ethtool_get_ts_info_by_phc(struct net_device *dev, 846 struct kernel_ethtool_ts_info *info, 847 struct hwtstamp_provider_desc *hwprov_desc) 848{ 849 int err; 850 851 err = ethtool_net_get_ts_info_by_phc(dev, info, hwprov_desc); 852 if (err == -ENODEV) { 853 struct phy_device *phy; 854 855 phy = ethtool_phy_get_ts_info_by_phc(dev, info, hwprov_desc); 856 if (IS_ERR(phy)) 857 err = PTR_ERR(phy); 858 else 859 err = 0; 860 } 861 862 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 863 SOF_TIMESTAMPING_SOFTWARE; 864 865 return err; 866} 867 868int __ethtool_get_ts_info(struct net_device *dev, 869 struct kernel_ethtool_ts_info *info) 870{ 871 struct hwtstamp_provider *hwprov; 872 int err = 0; 873 874 rcu_read_lock(); 875 hwprov = rcu_dereference(dev->hwprov); 876 /* No provider specified, use default behavior */ 877 if (!hwprov) { 878 const struct ethtool_ops *ops = dev->ethtool_ops; 879 struct phy_device *phydev = dev->phydev; 880 881 ethtool_init_tsinfo(info); 882 if (phy_is_default_hwtstamp(phydev) && 883 phy_has_tsinfo(phydev)) 884 err = phy_ts_info(phydev, info); 885 else if (ops->get_ts_info) 886 err = ops->get_ts_info(dev, info); 887 888 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 889 SOF_TIMESTAMPING_SOFTWARE; 890 891 rcu_read_unlock(); 892 return err; 893 } 894 895 err = ethtool_get_ts_info_by_phc(dev, info, &hwprov->desc); 896 rcu_read_unlock(); 897 return err; 898} 899 900bool net_support_hwtstamp_qualifier(struct net_device *dev, 901 enum hwtstamp_provider_qualifier qualifier) 902{ 903 const struct ethtool_ops *ops = dev->ethtool_ops; 904 905 if (!ops) 906 return false; 907 908 /* Return true with precise qualifier and with NIC without 909 * qualifier description to not break the old behavior. 910 */ 911 if (!ops->supported_hwtstamp_qualifiers && 912 qualifier == HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 913 return true; 914 915 if (ops->supported_hwtstamp_qualifiers & BIT(qualifier)) 916 return true; 917 918 return false; 919} 920 921int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index) 922{ 923 struct kernel_ethtool_ts_info info = { }; 924 int num = 0; 925 926 if (!__ethtool_get_ts_info(dev, &info)) 927 num = ptp_get_vclocks_index(info.phc_index, vclock_index); 928 929 return num; 930} 931EXPORT_SYMBOL(ethtool_get_phc_vclocks); 932 933int ethtool_get_ts_info_by_layer(struct net_device *dev, struct kernel_ethtool_ts_info *info) 934{ 935 return __ethtool_get_ts_info(dev, info); 936} 937EXPORT_SYMBOL(ethtool_get_ts_info_by_layer); 938 939const struct ethtool_phy_ops *ethtool_phy_ops; 940 941void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops) 942{ 943 ASSERT_RTNL(); 944 ethtool_phy_ops = ops; 945} 946EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops); 947 948void 949ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, 950 enum ethtool_link_mode_bit_indices link_mode) 951{ 952 const struct link_mode_info *link_info; 953 954 if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS)) 955 return; 956 957 link_info = &link_mode_params[link_mode]; 958 link_ksettings->base.speed = link_info->speed; 959 link_ksettings->lanes = link_info->lanes; 960 link_ksettings->base.duplex = link_info->duplex; 961} 962EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode); 963 964/** 965 * ethtool_forced_speed_maps_init 966 * @maps: Pointer to an array of Ethtool forced speed map 967 * @size: Array size 968 * 969 * Initialize an array of Ethtool forced speed map to Ethtool link modes. This 970 * should be called during driver module init. 971 */ 972void 973ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size) 974{ 975 for (u32 i = 0; i < size; i++) { 976 struct ethtool_forced_speed_map *map = &maps[i]; 977 978 linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps); 979 map->cap_arr = NULL; 980 map->arr_size = 0; 981 } 982} 983EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init); 984 985void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id) 986{ 987 struct ethtool_rxfh_context *ctx; 988 989 WARN_ONCE(!rtnl_is_locked() && 990 !lockdep_is_held_type(&dev->ethtool->rss_lock, -1), 991 "RSS context lock assertion failed\n"); 992 993 netdev_err(dev, "device error, RSS context %d lost\n", context_id); 994 ctx = xa_erase(&dev->ethtool->rss_ctx, context_id); 995 kfree(ctx); 996} 997EXPORT_SYMBOL(ethtool_rxfh_context_lost);