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common.c
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linux-6.19.14/net/ethtool/common.c
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 16const 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 82const char 83rss_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 89const char 90tunable_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 98const char 99phy_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 114const 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 __DEFINE_LINK_MODE_NAME(1600000, CR8, Full), 237 __DEFINE_LINK_MODE_NAME(1600000, KR8, Full), 238 __DEFINE_LINK_MODE_NAME(1600000, DR8, Full), 239 __DEFINE_LINK_MODE_NAME(1600000, DR8_2, Full), 240}; 241static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS); 242 243#define __LINK_MODE_LANES_CR 1 244#define __LINK_MODE_LANES_CR2 2 245#define __LINK_MODE_LANES_CR4 4 246#define __LINK_MODE_LANES_CR8 8 247#define __LINK_MODE_LANES_DR 1 248#define __LINK_MODE_LANES_DR_2 1 249#define __LINK_MODE_LANES_DR2 2 250#define __LINK_MODE_LANES_DR2_2 2 251#define __LINK_MODE_LANES_DR4 4 252#define __LINK_MODE_LANES_DR4_2 4 253#define __LINK_MODE_LANES_DR8 8 254#define __LINK_MODE_LANES_KR 1 255#define __LINK_MODE_LANES_KR2 2 256#define __LINK_MODE_LANES_KR4 4 257#define __LINK_MODE_LANES_KR8 8 258#define __LINK_MODE_LANES_SR 1 259#define __LINK_MODE_LANES_SR2 2 260#define __LINK_MODE_LANES_SR4 4 261#define __LINK_MODE_LANES_SR8 8 262#define __LINK_MODE_LANES_ER 1 263#define __LINK_MODE_LANES_KX 1 264#define __LINK_MODE_LANES_KX4 4 265#define __LINK_MODE_LANES_LR 1 266#define __LINK_MODE_LANES_LR4 4 267#define __LINK_MODE_LANES_LR4_ER4 4 268#define __LINK_MODE_LANES_LR_ER_FR 1 269#define __LINK_MODE_LANES_LR2_ER2_FR2 2 270#define __LINK_MODE_LANES_LR4_ER4_FR4 4 271#define __LINK_MODE_LANES_LR8_ER8_FR8 8 272#define __LINK_MODE_LANES_LRM 1 273#define __LINK_MODE_LANES_MLD2 2 274#define __LINK_MODE_LANES_T 1 275#define __LINK_MODE_LANES_T1 1 276#define __LINK_MODE_LANES_X 1 277#define __LINK_MODE_LANES_FX 1 278#define __LINK_MODE_LANES_T1L 1 279#define __LINK_MODE_LANES_T1S 1 280#define __LINK_MODE_LANES_T1S_P2MP 1 281#define __LINK_MODE_LANES_VR 1 282#define __LINK_MODE_LANES_VR2 2 283#define __LINK_MODE_LANES_VR4 4 284#define __LINK_MODE_LANES_VR8 8 285#define __LINK_MODE_LANES_DR8_2 8 286#define __LINK_MODE_LANES_T1BRR 1 287 288#define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex) \ 289 [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \ 290 .speed = SPEED_ ## _speed, \ 291 .lanes = __LINK_MODE_LANES_ ## _type, \ 292 .duplex = __DUPLEX_ ## _duplex \ 293 } 294#define __DUPLEX_Half DUPLEX_HALF 295#define __DUPLEX_Full DUPLEX_FULL 296#define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \ 297 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \ 298 .speed = SPEED_UNKNOWN, \ 299 .lanes = 0, \ 300 .duplex = DUPLEX_UNKNOWN, \ 301 } 302 303const struct link_mode_info link_mode_params[] = { 304 __DEFINE_LINK_MODE_PARAMS(10, T, Half), 305 __DEFINE_LINK_MODE_PARAMS(10, T, Full), 306 __DEFINE_LINK_MODE_PARAMS(100, T, Half), 307 __DEFINE_LINK_MODE_PARAMS(100, T, Full), 308 __DEFINE_LINK_MODE_PARAMS(1000, T, Half), 309 __DEFINE_LINK_MODE_PARAMS(1000, T, Full), 310 __DEFINE_SPECIAL_MODE_PARAMS(Autoneg), 311 __DEFINE_SPECIAL_MODE_PARAMS(TP), 312 __DEFINE_SPECIAL_MODE_PARAMS(AUI), 313 __DEFINE_SPECIAL_MODE_PARAMS(MII), 314 __DEFINE_SPECIAL_MODE_PARAMS(FIBRE), 315 __DEFINE_SPECIAL_MODE_PARAMS(BNC), 316 __DEFINE_LINK_MODE_PARAMS(10000, T, Full), 317 __DEFINE_SPECIAL_MODE_PARAMS(Pause), 318 __DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause), 319 __DEFINE_LINK_MODE_PARAMS(2500, X, Full), 320 __DEFINE_SPECIAL_MODE_PARAMS(Backplane), 321 __DEFINE_LINK_MODE_PARAMS(1000, KX, Full), 322 __DEFINE_LINK_MODE_PARAMS(10000, KX4, Full), 323 __DEFINE_LINK_MODE_PARAMS(10000, KR, Full), 324 [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = { 325 .speed = SPEED_10000, 326 .lanes = 1, 327 .duplex = DUPLEX_FULL, 328 }, 329 __DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full), 330 __DEFINE_LINK_MODE_PARAMS(20000, KR2, Full), 331 __DEFINE_LINK_MODE_PARAMS(40000, KR4, Full), 332 __DEFINE_LINK_MODE_PARAMS(40000, CR4, Full), 333 __DEFINE_LINK_MODE_PARAMS(40000, SR4, Full), 334 __DEFINE_LINK_MODE_PARAMS(40000, LR4, Full), 335 __DEFINE_LINK_MODE_PARAMS(56000, KR4, Full), 336 __DEFINE_LINK_MODE_PARAMS(56000, CR4, Full), 337 __DEFINE_LINK_MODE_PARAMS(56000, SR4, Full), 338 __DEFINE_LINK_MODE_PARAMS(56000, LR4, Full), 339 __DEFINE_LINK_MODE_PARAMS(25000, CR, Full), 340 __DEFINE_LINK_MODE_PARAMS(25000, KR, Full), 341 __DEFINE_LINK_MODE_PARAMS(25000, SR, Full), 342 __DEFINE_LINK_MODE_PARAMS(50000, CR2, Full), 343 __DEFINE_LINK_MODE_PARAMS(50000, KR2, Full), 344 __DEFINE_LINK_MODE_PARAMS(100000, KR4, Full), 345 __DEFINE_LINK_MODE_PARAMS(100000, SR4, Full), 346 __DEFINE_LINK_MODE_PARAMS(100000, CR4, Full), 347 __DEFINE_LINK_MODE_PARAMS(100000, LR4_ER4, Full), 348 __DEFINE_LINK_MODE_PARAMS(50000, SR2, Full), 349 __DEFINE_LINK_MODE_PARAMS(1000, X, Full), 350 __DEFINE_LINK_MODE_PARAMS(10000, CR, Full), 351 __DEFINE_LINK_MODE_PARAMS(10000, SR, Full), 352 __DEFINE_LINK_MODE_PARAMS(10000, LR, Full), 353 __DEFINE_LINK_MODE_PARAMS(10000, LRM, Full), 354 __DEFINE_LINK_MODE_PARAMS(10000, ER, Full), 355 __DEFINE_LINK_MODE_PARAMS(2500, T, Full), 356 __DEFINE_LINK_MODE_PARAMS(5000, T, Full), 357 __DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE), 358 __DEFINE_SPECIAL_MODE_PARAMS(FEC_RS), 359 __DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER), 360 __DEFINE_LINK_MODE_PARAMS(50000, KR, Full), 361 __DEFINE_LINK_MODE_PARAMS(50000, SR, Full), 362 __DEFINE_LINK_MODE_PARAMS(50000, CR, Full), 363 __DEFINE_LINK_MODE_PARAMS(50000, LR_ER_FR, Full), 364 __DEFINE_LINK_MODE_PARAMS(50000, DR, Full), 365 __DEFINE_LINK_MODE_PARAMS(100000, KR2, Full), 366 __DEFINE_LINK_MODE_PARAMS(100000, SR2, Full), 367 __DEFINE_LINK_MODE_PARAMS(100000, CR2, Full), 368 __DEFINE_LINK_MODE_PARAMS(100000, LR2_ER2_FR2, Full), 369 __DEFINE_LINK_MODE_PARAMS(100000, DR2, Full), 370 __DEFINE_LINK_MODE_PARAMS(200000, KR4, Full), 371 __DEFINE_LINK_MODE_PARAMS(200000, SR4, Full), 372 __DEFINE_LINK_MODE_PARAMS(200000, LR4_ER4_FR4, Full), 373 __DEFINE_LINK_MODE_PARAMS(200000, DR4, Full), 374 __DEFINE_LINK_MODE_PARAMS(200000, CR4, Full), 375 __DEFINE_LINK_MODE_PARAMS(100, T1, Full), 376 __DEFINE_LINK_MODE_PARAMS(1000, T1, Full), 377 __DEFINE_LINK_MODE_PARAMS(400000, KR8, Full), 378 __DEFINE_LINK_MODE_PARAMS(400000, SR8, Full), 379 __DEFINE_LINK_MODE_PARAMS(400000, LR8_ER8_FR8, Full), 380 __DEFINE_LINK_MODE_PARAMS(400000, DR8, Full), 381 __DEFINE_LINK_MODE_PARAMS(400000, CR8, Full), 382 __DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS), 383 __DEFINE_LINK_MODE_PARAMS(100000, KR, Full), 384 __DEFINE_LINK_MODE_PARAMS(100000, SR, Full), 385 __DEFINE_LINK_MODE_PARAMS(100000, LR_ER_FR, Full), 386 __DEFINE_LINK_MODE_PARAMS(100000, DR, Full), 387 __DEFINE_LINK_MODE_PARAMS(100000, CR, Full), 388 __DEFINE_LINK_MODE_PARAMS(200000, KR2, Full), 389 __DEFINE_LINK_MODE_PARAMS(200000, SR2, Full), 390 __DEFINE_LINK_MODE_PARAMS(200000, LR2_ER2_FR2, Full), 391 __DEFINE_LINK_MODE_PARAMS(200000, DR2, Full), 392 __DEFINE_LINK_MODE_PARAMS(200000, CR2, Full), 393 __DEFINE_LINK_MODE_PARAMS(400000, KR4, Full), 394 __DEFINE_LINK_MODE_PARAMS(400000, SR4, Full), 395 __DEFINE_LINK_MODE_PARAMS(400000, LR4_ER4_FR4, Full), 396 __DEFINE_LINK_MODE_PARAMS(400000, DR4, Full), 397 __DEFINE_LINK_MODE_PARAMS(400000, CR4, Full), 398 __DEFINE_LINK_MODE_PARAMS(100, FX, Half), 399 __DEFINE_LINK_MODE_PARAMS(100, FX, Full), 400 __DEFINE_LINK_MODE_PARAMS(10, T1L, Full), 401 __DEFINE_LINK_MODE_PARAMS(800000, CR8, Full), 402 __DEFINE_LINK_MODE_PARAMS(800000, KR8, Full), 403 __DEFINE_LINK_MODE_PARAMS(800000, DR8, Full), 404 __DEFINE_LINK_MODE_PARAMS(800000, DR8_2, Full), 405 __DEFINE_LINK_MODE_PARAMS(800000, SR8, Full), 406 __DEFINE_LINK_MODE_PARAMS(800000, VR8, Full), 407 __DEFINE_LINK_MODE_PARAMS(10, T1S, Full), 408 __DEFINE_LINK_MODE_PARAMS(10, T1S, Half), 409 __DEFINE_LINK_MODE_PARAMS(10, T1S_P2MP, Half), 410 __DEFINE_LINK_MODE_PARAMS(10, T1BRR, Full), 411 __DEFINE_LINK_MODE_PARAMS(200000, CR, Full), 412 __DEFINE_LINK_MODE_PARAMS(200000, KR, Full), 413 __DEFINE_LINK_MODE_PARAMS(200000, DR, Full), 414 __DEFINE_LINK_MODE_PARAMS(200000, DR_2, Full), 415 __DEFINE_LINK_MODE_PARAMS(200000, SR, Full), 416 __DEFINE_LINK_MODE_PARAMS(200000, VR, Full), 417 __DEFINE_LINK_MODE_PARAMS(400000, CR2, Full), 418 __DEFINE_LINK_MODE_PARAMS(400000, KR2, Full), 419 __DEFINE_LINK_MODE_PARAMS(400000, DR2, Full), 420 __DEFINE_LINK_MODE_PARAMS(400000, DR2_2, Full), 421 __DEFINE_LINK_MODE_PARAMS(400000, SR2, Full), 422 __DEFINE_LINK_MODE_PARAMS(400000, VR2, Full), 423 __DEFINE_LINK_MODE_PARAMS(800000, CR4, Full), 424 __DEFINE_LINK_MODE_PARAMS(800000, KR4, Full), 425 __DEFINE_LINK_MODE_PARAMS(800000, DR4, Full), 426 __DEFINE_LINK_MODE_PARAMS(800000, DR4_2, Full), 427 __DEFINE_LINK_MODE_PARAMS(800000, SR4, Full), 428 __DEFINE_LINK_MODE_PARAMS(800000, VR4, Full), 429 __DEFINE_LINK_MODE_PARAMS(1600000, CR8, Full), 430 __DEFINE_LINK_MODE_PARAMS(1600000, KR8, Full), 431 __DEFINE_LINK_MODE_PARAMS(1600000, DR8, Full), 432 __DEFINE_LINK_MODE_PARAMS(1600000, DR8_2, Full), 433}; 434static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS); 435EXPORT_SYMBOL_GPL(link_mode_params); 436 437const char netif_msg_class_names[][ETH_GSTRING_LEN] = { 438 [NETIF_MSG_DRV_BIT] = "drv", 439 [NETIF_MSG_PROBE_BIT] = "probe", 440 [NETIF_MSG_LINK_BIT] = "link", 441 [NETIF_MSG_TIMER_BIT] = "timer", 442 [NETIF_MSG_IFDOWN_BIT] = "ifdown", 443 [NETIF_MSG_IFUP_BIT] = "ifup", 444 [NETIF_MSG_RX_ERR_BIT] = "rx_err", 445 [NETIF_MSG_TX_ERR_BIT] = "tx_err", 446 [NETIF_MSG_TX_QUEUED_BIT] = "tx_queued", 447 [NETIF_MSG_INTR_BIT] = "intr", 448 [NETIF_MSG_TX_DONE_BIT] = "tx_done", 449 [NETIF_MSG_RX_STATUS_BIT] = "rx_status", 450 [NETIF_MSG_PKTDATA_BIT] = "pktdata", 451 [NETIF_MSG_HW_BIT] = "hw", 452 [NETIF_MSG_WOL_BIT] = "wol", 453}; 454static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT); 455 456const char wol_mode_names[][ETH_GSTRING_LEN] = { 457 [const_ilog2(WAKE_PHY)] = "phy", 458 [const_ilog2(WAKE_UCAST)] = "ucast", 459 [const_ilog2(WAKE_MCAST)] = "mcast", 460 [const_ilog2(WAKE_BCAST)] = "bcast", 461 [const_ilog2(WAKE_ARP)] = "arp", 462 [const_ilog2(WAKE_MAGIC)] = "magic", 463 [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure", 464 [const_ilog2(WAKE_FILTER)] = "filter", 465}; 466static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT); 467 468const char sof_timestamping_names[][ETH_GSTRING_LEN] = { 469 [const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)] = "hardware-transmit", 470 [const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)] = "software-transmit", 471 [const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)] = "hardware-receive", 472 [const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)] = "software-receive", 473 [const_ilog2(SOF_TIMESTAMPING_SOFTWARE)] = "software-system-clock", 474 [const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock", 475 [const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock", 476 [const_ilog2(SOF_TIMESTAMPING_OPT_ID)] = "option-id", 477 [const_ilog2(SOF_TIMESTAMPING_TX_SCHED)] = "sched-transmit", 478 [const_ilog2(SOF_TIMESTAMPING_TX_ACK)] = "ack-transmit", 479 [const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)] = "option-cmsg", 480 [const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)] = "option-tsonly", 481 [const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats", 482 [const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo", 483 [const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw", 484 [const_ilog2(SOF_TIMESTAMPING_BIND_PHC)] = "bind-phc", 485 [const_ilog2(SOF_TIMESTAMPING_OPT_ID_TCP)] = "option-id-tcp", 486 [const_ilog2(SOF_TIMESTAMPING_OPT_RX_FILTER)] = "option-rx-filter", 487 [const_ilog2(SOF_TIMESTAMPING_TX_COMPLETION)] = "tx-completion", 488}; 489static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT); 490 491const char ts_tx_type_names[][ETH_GSTRING_LEN] = { 492 [HWTSTAMP_TX_OFF] = "off", 493 [HWTSTAMP_TX_ON] = "on", 494 [HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync", 495 [HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p", 496}; 497static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT); 498 499const char ts_rx_filter_names[][ETH_GSTRING_LEN] = { 500 [HWTSTAMP_FILTER_NONE] = "none", 501 [HWTSTAMP_FILTER_ALL] = "all", 502 [HWTSTAMP_FILTER_SOME] = "some", 503 [HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event", 504 [HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync", 505 [HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req", 506 [HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event", 507 [HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync", 508 [HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req", 509 [HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event", 510 [HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync", 511 [HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req", 512 [HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event", 513 [HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync", 514 [HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req", 515 [HWTSTAMP_FILTER_NTP_ALL] = "ntp-all", 516}; 517static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT); 518 519const char ts_flags_names[][ETH_GSTRING_LEN] = { 520 [const_ilog2(HWTSTAMP_FLAG_BONDED_PHC_INDEX)] = "bonded-phc-index", 521}; 522static_assert(ARRAY_SIZE(ts_flags_names) == __HWTSTAMP_FLAG_CNT); 523 524const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = { 525 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN] = "vxlan", 526 [ETHTOOL_UDP_TUNNEL_TYPE_GENEVE] = "geneve", 527 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE] = "vxlan-gpe", 528}; 529static_assert(ARRAY_SIZE(udp_tunnel_type_names) == 530 __ETHTOOL_UDP_TUNNEL_TYPE_CNT); 531 532/* return false if legacy contained non-0 deprecated fields 533 * maxtxpkt/maxrxpkt. rest of ksettings always updated 534 */ 535bool 536convert_legacy_settings_to_link_ksettings( 537 struct ethtool_link_ksettings *link_ksettings, 538 const struct ethtool_cmd *legacy_settings) 539{ 540 bool retval = true; 541 542 memset(link_ksettings, 0, sizeof(*link_ksettings)); 543 544 /* This is used to tell users that driver is still using these 545 * deprecated legacy fields, and they should not use 546 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS 547 */ 548 if (legacy_settings->maxtxpkt || 549 legacy_settings->maxrxpkt) 550 retval = false; 551 552 ethtool_convert_legacy_u32_to_link_mode( 553 link_ksettings->link_modes.supported, 554 legacy_settings->supported); 555 ethtool_convert_legacy_u32_to_link_mode( 556 link_ksettings->link_modes.advertising, 557 legacy_settings->advertising); 558 ethtool_convert_legacy_u32_to_link_mode( 559 link_ksettings->link_modes.lp_advertising, 560 legacy_settings->lp_advertising); 561 link_ksettings->base.speed 562 = ethtool_cmd_speed(legacy_settings); 563 link_ksettings->base.duplex 564 = legacy_settings->duplex; 565 link_ksettings->base.port 566 = legacy_settings->port; 567 link_ksettings->base.phy_address 568 = legacy_settings->phy_address; 569 link_ksettings->base.autoneg 570 = legacy_settings->autoneg; 571 link_ksettings->base.mdio_support 572 = legacy_settings->mdio_support; 573 link_ksettings->base.eth_tp_mdix 574 = legacy_settings->eth_tp_mdix; 575 link_ksettings->base.eth_tp_mdix_ctrl 576 = legacy_settings->eth_tp_mdix_ctrl; 577 return retval; 578} 579 580int __ethtool_get_link(struct net_device *dev) 581{ 582 if (!dev->ethtool_ops->get_link) 583 return -EOPNOTSUPP; 584 585 return netif_running(dev) && dev->ethtool_ops->get_link(dev); 586} 587 588int ethtool_get_rx_ring_count(struct net_device *dev) 589{ 590 const struct ethtool_ops *ops = dev->ethtool_ops; 591 struct ethtool_rxnfc rx_rings = {}; 592 int ret; 593 594 if (ops->get_rx_ring_count) 595 return ops->get_rx_ring_count(dev); 596 597 if (!ops->get_rxnfc) 598 return -EOPNOTSUPP; 599 600 rx_rings.cmd = ETHTOOL_GRXRINGS; 601 ret = ops->get_rxnfc(dev, &rx_rings, NULL); 602 if (ret < 0) 603 return ret; 604 605 return rx_rings.data; 606} 607 608static int ethtool_get_rxnfc_rule_count(struct net_device *dev) 609{ 610 const struct ethtool_ops *ops = dev->ethtool_ops; 611 struct ethtool_rxnfc info = { 612 .cmd = ETHTOOL_GRXCLSRLCNT, 613 }; 614 int err; 615 616 err = ops->get_rxnfc(dev, &info, NULL); 617 if (err) 618 return err; 619 620 return info.rule_cnt; 621} 622 623/* Max offset for one RSS context */ 624static u32 ethtool_get_rss_ctx_max_channel(struct ethtool_rxfh_context *ctx) 625{ 626 u32 max_ring = 0; 627 u32 i, *tbl; 628 629 if (WARN_ON_ONCE(!ctx)) 630 return 0; 631 tbl = ethtool_rxfh_context_indir(ctx); 632 for (i = 0; i < ctx->indir_size; i++) 633 max_ring = max(max_ring, tbl[i]); 634 return max_ring; 635} 636 637static int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max) 638{ 639 const struct ethtool_ops *ops = dev->ethtool_ops; 640 struct ethtool_rxnfc *info; 641 int err, i, rule_cnt; 642 u64 max_ring = 0; 643 644 if (!ops->get_rxnfc) 645 return -EOPNOTSUPP; 646 647 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 648 if (rule_cnt <= 0) 649 return -EINVAL; 650 651 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); 652 if (!info) 653 return -ENOMEM; 654 655 info->cmd = ETHTOOL_GRXCLSRLALL; 656 info->rule_cnt = rule_cnt; 657 err = ops->get_rxnfc(dev, info, info->rule_locs); 658 if (err) 659 goto err_free_info; 660 661 for (i = 0; i < rule_cnt; i++) { 662 struct ethtool_rxnfc rule_info = { 663 .cmd = ETHTOOL_GRXCLSRULE, 664 .fs.location = info->rule_locs[i], 665 }; 666 667 err = ops->get_rxnfc(dev, &rule_info, NULL); 668 if (err) 669 goto err_free_info; 670 671 if (rule_info.fs.ring_cookie != RX_CLS_FLOW_DISC && 672 rule_info.fs.ring_cookie != RX_CLS_FLOW_WAKE && 673 !ethtool_get_flow_spec_ring_vf(rule_info.fs.ring_cookie)) { 674 u64 ring = rule_info.fs.ring_cookie; 675 676 if (rule_info.flow_type & FLOW_RSS) { 677 struct ethtool_rxfh_context *ctx; 678 679 ctx = xa_load(&dev->ethtool->rss_ctx, 680 rule_info.rss_context); 681 ring += ethtool_get_rss_ctx_max_channel(ctx); 682 } 683 max_ring = max_t(u64, max_ring, ring); 684 } 685 } 686 687 kvfree(info); 688 *max = max_ring; 689 return 0; 690 691err_free_info: 692 kvfree(info); 693 return err; 694} 695 696/* Max offset across all of a device's RSS contexts */ 697static u32 ethtool_get_max_rss_ctx_channel(struct net_device *dev) 698{ 699 struct ethtool_rxfh_context *ctx; 700 unsigned long context; 701 u32 max_ring = 0; 702 703 mutex_lock(&dev->ethtool->rss_lock); 704 xa_for_each(&dev->ethtool->rss_ctx, context, ctx) 705 max_ring = max(max_ring, ethtool_get_rss_ctx_max_channel(ctx)); 706 mutex_unlock(&dev->ethtool->rss_lock); 707 708 return max_ring; 709} 710 711static u32 ethtool_get_max_rxfh_channel(struct net_device *dev) 712{ 713 struct ethtool_rxfh_param rxfh = {}; 714 u32 dev_size, current_max = 0; 715 int ret; 716 717 /* While we do track whether RSS context has an indirection 718 * table explicitly set by the user, no driver looks at that bit. 719 * Assume drivers won't auto-regenerate the additional tables, 720 * to be safe. 721 */ 722 current_max = ethtool_get_max_rss_ctx_channel(dev); 723 724 if (!netif_is_rxfh_configured(dev)) 725 return current_max; 726 727 if (!dev->ethtool_ops->get_rxfh_indir_size || 728 !dev->ethtool_ops->get_rxfh) 729 return current_max; 730 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); 731 if (dev_size == 0) 732 return current_max; 733 734 rxfh.indir = kcalloc(dev_size, sizeof(rxfh.indir[0]), GFP_USER); 735 if (!rxfh.indir) 736 return U32_MAX; 737 738 mutex_lock(&dev->ethtool->rss_lock); 739 ret = dev->ethtool_ops->get_rxfh(dev, &rxfh); 740 mutex_unlock(&dev->ethtool->rss_lock); 741 if (ret) { 742 current_max = U32_MAX; 743 goto out_free; 744 } 745 746 while (dev_size--) 747 current_max = max(current_max, rxfh.indir[dev_size]); 748 749out_free: 750 kfree(rxfh.indir); 751 return current_max; 752} 753 754int ethtool_check_max_channel(struct net_device *dev, 755 struct ethtool_channels channels, 756 struct genl_info *info) 757{ 758 u64 max_rxnfc_in_use; 759 u32 max_rxfh_in_use; 760 int max_mp_in_use; 761 762 /* ensure the new Rx count fits within the configured Rx flow 763 * indirection table/rxnfc settings 764 */ 765 if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use)) 766 max_rxnfc_in_use = 0; 767 max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev); 768 if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) { 769 if (info) 770 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use); 771 return -EINVAL; 772 } 773 if (channels.combined_count + channels.rx_count <= max_rxnfc_in_use) { 774 if (info) 775 GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings"); 776 return -EINVAL; 777 } 778 779 max_mp_in_use = dev_get_min_mp_channel_count(dev); 780 if (channels.combined_count + channels.rx_count <= max_mp_in_use) { 781 if (info) 782 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use); 783 return -EINVAL; 784 } 785 786 return 0; 787} 788 789int ethtool_check_rss_ctx_busy(struct net_device *dev, u32 rss_context) 790{ 791 const struct ethtool_ops *ops = dev->ethtool_ops; 792 struct ethtool_rxnfc *info; 793 int rc, i, rule_cnt; 794 795 if (!ops->get_rxnfc) 796 return 0; 797 798 rule_cnt = ethtool_get_rxnfc_rule_count(dev); 799 if (!rule_cnt) 800 return 0; 801 802 if (rule_cnt < 0) 803 return -EINVAL; 804 805 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL); 806 if (!info) 807 return -ENOMEM; 808 809 info->cmd = ETHTOOL_GRXCLSRLALL; 810 info->rule_cnt = rule_cnt; 811 rc = ops->get_rxnfc(dev, info, info->rule_locs); 812 if (rc) 813 goto out_free; 814 815 for (i = 0; i < rule_cnt; i++) { 816 struct ethtool_rxnfc rule_info = { 817 .cmd = ETHTOOL_GRXCLSRULE, 818 .fs.location = info->rule_locs[i], 819 }; 820 821 rc = ops->get_rxnfc(dev, &rule_info, NULL); 822 if (rc) 823 goto out_free; 824 825 if (rule_info.fs.flow_type & FLOW_RSS && 826 rule_info.rss_context == rss_context) { 827 rc = -EBUSY; 828 goto out_free; 829 } 830 } 831 832out_free: 833 kvfree(info); 834 return rc; 835} 836 837struct ethtool_rxfh_context * 838ethtool_rxfh_ctx_alloc(const struct ethtool_ops *ops, 839 u32 indir_size, u32 key_size) 840{ 841 size_t indir_bytes, flex_len, key_off, size; 842 struct ethtool_rxfh_context *ctx; 843 u32 priv_bytes, indir_max; 844 u16 key_max; 845 846 key_max = max(key_size, ops->rxfh_key_space); 847 indir_max = max(indir_size, ops->rxfh_indir_space); 848 849 priv_bytes = ALIGN(ops->rxfh_priv_size, sizeof(u32)); 850 indir_bytes = array_size(indir_max, sizeof(u32)); 851 852 key_off = size_add(priv_bytes, indir_bytes); 853 flex_len = size_add(key_off, key_max); 854 size = struct_size_t(struct ethtool_rxfh_context, data, flex_len); 855 856 ctx = kzalloc(size, GFP_KERNEL_ACCOUNT); 857 if (!ctx) 858 return NULL; 859 860 ctx->indir_size = indir_size; 861 ctx->key_size = key_size; 862 ctx->key_off = key_off; 863 ctx->priv_size = ops->rxfh_priv_size; 864 865 return ctx; 866} 867 868/* Check if fields configured for flow hash are symmetric - if src is included 869 * so is dst and vice versa. 870 */ 871int ethtool_rxfh_config_is_sym(u64 rxfh) 872{ 873 bool sym; 874 875 sym = rxfh == (rxfh & (RXH_IP_SRC | RXH_IP_DST | 876 RXH_L4_B_0_1 | RXH_L4_B_2_3)); 877 sym &= !!(rxfh & RXH_IP_SRC) == !!(rxfh & RXH_IP_DST); 878 sym &= !!(rxfh & RXH_L4_B_0_1) == !!(rxfh & RXH_L4_B_2_3); 879 880 return sym; 881} 882 883int ethtool_check_ops(const struct ethtool_ops *ops) 884{ 885 if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params)) 886 return -EINVAL; 887 if (WARN_ON(ops->rxfh_max_num_contexts == 1)) 888 return -EINVAL; 889 if (WARN_ON(ops->supported_input_xfrm && !ops->get_rxfh_fields)) 890 return -EINVAL; 891 if (WARN_ON(ops->supported_input_xfrm && 892 ops->rxfh_per_ctx_fields != ops->rxfh_per_ctx_key)) 893 return -EINVAL; 894 895 /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime, 896 * the fact that ops are checked at registration time does not 897 * mean the ops attached to a netdev later on are sane. 898 */ 899 return 0; 900} 901 902void ethtool_ringparam_get_cfg(struct net_device *dev, 903 struct ethtool_ringparam *param, 904 struct kernel_ethtool_ringparam *kparam, 905 struct netlink_ext_ack *extack) 906{ 907 memset(param, 0, sizeof(*param)); 908 memset(kparam, 0, sizeof(*kparam)); 909 910 param->cmd = ETHTOOL_GRINGPARAM; 911 dev->ethtool_ops->get_ringparam(dev, param, kparam, extack); 912 913 /* Driver gives us current state, we want to return current config */ 914 kparam->tcp_data_split = dev->cfg->hds_config; 915 kparam->hds_thresh = dev->cfg->hds_thresh; 916} 917 918static void ethtool_init_tsinfo(struct kernel_ethtool_ts_info *info) 919{ 920 memset(info, 0, sizeof(*info)); 921 info->cmd = ETHTOOL_GET_TS_INFO; 922 info->phc_index = -1; 923} 924 925int ethtool_net_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 const struct ethtool_ops *ops = dev->ethtool_ops; 930 int err; 931 932 if (!ops->get_ts_info) 933 return -EOPNOTSUPP; 934 935 /* Does ptp comes from netdev */ 936 ethtool_init_tsinfo(info); 937 info->phc_qualifier = hwprov_desc->qualifier; 938 err = ops->get_ts_info(dev, info); 939 if (err) 940 return err; 941 942 if (info->phc_index == hwprov_desc->index && 943 net_support_hwtstamp_qualifier(dev, hwprov_desc->qualifier)) 944 return 0; 945 946 return -ENODEV; 947} 948 949struct phy_device * 950ethtool_phy_get_ts_info_by_phc(struct net_device *dev, 951 struct kernel_ethtool_ts_info *info, 952 struct hwtstamp_provider_desc *hwprov_desc) 953{ 954 int err; 955 956 /* Only precise qualifier is supported in phydev */ 957 if (hwprov_desc->qualifier != HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 958 return ERR_PTR(-ENODEV); 959 960 /* Look in the phy topology */ 961 if (dev->link_topo) { 962 struct phy_device_node *pdn; 963 unsigned long phy_index; 964 965 xa_for_each(&dev->link_topo->phys, phy_index, pdn) { 966 if (!phy_has_tsinfo(pdn->phy)) 967 continue; 968 969 ethtool_init_tsinfo(info); 970 err = phy_ts_info(pdn->phy, info); 971 if (err) 972 return ERR_PTR(err); 973 974 if (info->phc_index == hwprov_desc->index) 975 return pdn->phy; 976 } 977 return ERR_PTR(-ENODEV); 978 } 979 980 /* Look on the dev->phydev */ 981 if (phy_has_tsinfo(dev->phydev)) { 982 ethtool_init_tsinfo(info); 983 err = phy_ts_info(dev->phydev, info); 984 if (err) 985 return ERR_PTR(err); 986 987 if (info->phc_index == hwprov_desc->index) 988 return dev->phydev; 989 } 990 991 return ERR_PTR(-ENODEV); 992} 993 994int ethtool_get_ts_info_by_phc(struct net_device *dev, 995 struct kernel_ethtool_ts_info *info, 996 struct hwtstamp_provider_desc *hwprov_desc) 997{ 998 int err; 999 1000 err = ethtool_net_get_ts_info_by_phc(dev, info, hwprov_desc); 1001 if (err == -ENODEV || err == -EOPNOTSUPP) { 1002 struct phy_device *phy; 1003 1004 phy = ethtool_phy_get_ts_info_by_phc(dev, info, hwprov_desc); 1005 if (IS_ERR(phy)) 1006 return PTR_ERR(phy); 1007 1008 /* Report the phc source only if we have a real 1009 * phc source with an index. 1010 */ 1011 if (info->phc_index >= 0) { 1012 info->phc_source = HWTSTAMP_SOURCE_PHYLIB; 1013 info->phc_phyindex = phy->phyindex; 1014 } 1015 err = 0; 1016 } else if (!err && info->phc_index >= 0) { 1017 info->phc_source = HWTSTAMP_SOURCE_NETDEV; 1018 } 1019 1020 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 1021 SOF_TIMESTAMPING_SOFTWARE; 1022 1023 return err; 1024} 1025 1026int __ethtool_get_ts_info(struct net_device *dev, 1027 struct kernel_ethtool_ts_info *info) 1028{ 1029 struct hwtstamp_provider *hwprov; 1030 int err = 0; 1031 1032 rcu_read_lock(); 1033 hwprov = rcu_dereference(dev->hwprov); 1034 /* No provider specified, use default behavior */ 1035 if (!hwprov) { 1036 const struct ethtool_ops *ops = dev->ethtool_ops; 1037 struct phy_device *phydev = dev->phydev; 1038 1039 ethtool_init_tsinfo(info); 1040 if (phy_is_default_hwtstamp(phydev) && 1041 phy_has_tsinfo(phydev)) { 1042 err = phy_ts_info(phydev, info); 1043 /* Report the phc source only if we have a real 1044 * phc source with an index. 1045 */ 1046 if (!err && info->phc_index >= 0) { 1047 info->phc_source = HWTSTAMP_SOURCE_PHYLIB; 1048 info->phc_phyindex = phydev->phyindex; 1049 } 1050 } else if (ops->get_ts_info) { 1051 err = ops->get_ts_info(dev, info); 1052 if (!err && info->phc_index >= 0) 1053 info->phc_source = HWTSTAMP_SOURCE_NETDEV; 1054 } 1055 1056 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | 1057 SOF_TIMESTAMPING_SOFTWARE; 1058 1059 rcu_read_unlock(); 1060 return err; 1061 } 1062 1063 err = ethtool_get_ts_info_by_phc(dev, info, &hwprov->desc); 1064 rcu_read_unlock(); 1065 return err; 1066} 1067 1068bool net_support_hwtstamp_qualifier(struct net_device *dev, 1069 enum hwtstamp_provider_qualifier qualifier) 1070{ 1071 const struct ethtool_ops *ops = dev->ethtool_ops; 1072 1073 if (!ops) 1074 return false; 1075 1076 /* Return true with precise qualifier and with NIC without 1077 * qualifier description to not break the old behavior. 1078 */ 1079 if (!ops->supported_hwtstamp_qualifiers && 1080 qualifier == HWTSTAMP_PROVIDER_QUALIFIER_PRECISE) 1081 return true; 1082 1083 if (ops->supported_hwtstamp_qualifiers & BIT(qualifier)) 1084 return true; 1085 1086 return false; 1087} 1088 1089int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index) 1090{ 1091 struct kernel_ethtool_ts_info info = { }; 1092 int num = 0; 1093 1094 if (!__ethtool_get_ts_info(dev, &info)) 1095 num = ptp_get_vclocks_index(info.phc_index, vclock_index); 1096 1097 return num; 1098} 1099EXPORT_SYMBOL(ethtool_get_phc_vclocks); 1100 1101int ethtool_get_ts_info_by_layer(struct net_device *dev, struct kernel_ethtool_ts_info *info) 1102{ 1103 return __ethtool_get_ts_info(dev, info); 1104} 1105EXPORT_SYMBOL(ethtool_get_ts_info_by_layer); 1106 1107const struct ethtool_phy_ops *ethtool_phy_ops; 1108 1109void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops) 1110{ 1111 ASSERT_RTNL(); 1112 ethtool_phy_ops = ops; 1113} 1114EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops); 1115 1116void 1117ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, 1118 enum ethtool_link_mode_bit_indices link_mode) 1119{ 1120 const struct link_mode_info *link_info; 1121 1122 if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS)) 1123 return; 1124 1125 link_info = &link_mode_params[link_mode]; 1126 link_ksettings->base.speed = link_info->speed; 1127 link_ksettings->lanes = link_info->lanes; 1128 link_ksettings->base.duplex = link_info->duplex; 1129} 1130EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode); 1131 1132/** 1133 * ethtool_forced_speed_maps_init 1134 * @maps: Pointer to an array of Ethtool forced speed map 1135 * @size: Array size 1136 * 1137 * Initialize an array of Ethtool forced speed map to Ethtool link modes. This 1138 * should be called during driver module init. 1139 */ 1140void 1141ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size) 1142{ 1143 for (u32 i = 0; i < size; i++) { 1144 struct ethtool_forced_speed_map *map = &maps[i]; 1145 1146 linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps); 1147 map->cap_arr = NULL; 1148 map->arr_size = 0; 1149 } 1150} 1151EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init); 1152 1153void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id) 1154{ 1155 struct ethtool_rxfh_context *ctx; 1156 1157 WARN_ONCE(!rtnl_is_locked() && 1158 !lockdep_is_held_type(&dev->ethtool->rss_lock, -1), 1159 "RSS context lock assertion failed\n"); 1160 1161 netdev_err(dev, "device error, RSS context %d lost\n", context_id); 1162 ctx = xa_erase(&dev->ethtool->rss_ctx, context_id); 1163 kfree(ctx); 1164 ethtool_rss_notify(dev, ETHTOOL_MSG_RSS_DELETE_NTF, context_id); 1165} 1166EXPORT_SYMBOL(ethtool_rxfh_context_lost);
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