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
   9 #include "common.h"
  10
  11 const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
  12         [NETIF_F_SG_BIT] =               "tx-scatter-gather",
  13         [NETIF_F_IP_CSUM_BIT] =          "tx-checksum-ipv4",
  14         [NETIF_F_HW_CSUM_BIT] =          "tx-checksum-ip-generic",
  15         [NETIF_F_IPV6_CSUM_BIT] =        "tx-checksum-ipv6",
  16         [NETIF_F_HIGHDMA_BIT] =          "highdma",
  17         [NETIF_F_FRAGLIST_BIT] =         "tx-scatter-gather-fraglist",
  18         [NETIF_F_HW_VLAN_CTAG_TX_BIT] =  "tx-vlan-hw-insert",
  19
  20         [NETIF_F_HW_VLAN_CTAG_RX_BIT] =  "rx-vlan-hw-parse",
  21         [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter",
  22         [NETIF_F_HW_VLAN_STAG_TX_BIT] =  "tx-vlan-stag-hw-insert",
  23         [NETIF_F_HW_VLAN_STAG_RX_BIT] =  "rx-vlan-stag-hw-parse",
  24         [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter",
  25         [NETIF_F_VLAN_CHALLENGED_BIT] =  "vlan-challenged",
  26         [NETIF_F_GSO_BIT] =              "tx-generic-segmentation",
  27         [NETIF_F_LLTX_BIT] =             "tx-lockless",
  28         [NETIF_F_NETNS_LOCAL_BIT] =      "netns-local",
  29         [NETIF_F_GRO_BIT] =              "rx-gro",
  30         [NETIF_F_GRO_HW_BIT] =           "rx-gro-hw",
  31         [NETIF_F_LRO_BIT] =              "rx-lro",
  32
  33         [NETIF_F_TSO_BIT] =              "tx-tcp-segmentation",
  34         [NETIF_F_GSO_ROBUST_BIT] =       "tx-gso-robust",
  35         [NETIF_F_TSO_ECN_BIT] =          "tx-tcp-ecn-segmentation",
  36         [NETIF_F_TSO_MANGLEID_BIT] =     "tx-tcp-mangleid-segmentation",
  37         [NETIF_F_TSO6_BIT] =             "tx-tcp6-segmentation",
  38         [NETIF_F_FSO_BIT] =              "tx-fcoe-segmentation",
  39         [NETIF_F_GSO_GRE_BIT] =          "tx-gre-segmentation",
  40         [NETIF_F_GSO_GRE_CSUM_BIT] =     "tx-gre-csum-segmentation",
  41         [NETIF_F_GSO_IPXIP4_BIT] =       "tx-ipxip4-segmentation",
  42         [NETIF_F_GSO_IPXIP6_BIT] =       "tx-ipxip6-segmentation",
  43         [NETIF_F_GSO_UDP_TUNNEL_BIT] =   "tx-udp_tnl-segmentation",
  44         [NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation",
  45         [NETIF_F_GSO_PARTIAL_BIT] =      "tx-gso-partial",
  46         [NETIF_F_GSO_TUNNEL_REMCSUM_BIT] = "tx-tunnel-remcsum-segmentation",
  47         [NETIF_F_GSO_SCTP_BIT] =         "tx-sctp-segmentation",
  48         [NETIF_F_GSO_ESP_BIT] =          "tx-esp-segmentation",
  49         [NETIF_F_GSO_UDP_L4_BIT] =       "tx-udp-segmentation",
  50         [NETIF_F_GSO_FRAGLIST_BIT] =     "tx-gso-list",
  51
  52         [NETIF_F_FCOE_CRC_BIT] =         "tx-checksum-fcoe-crc",
  53         [NETIF_F_SCTP_CRC_BIT] =        "tx-checksum-sctp",
  54         [NETIF_F_FCOE_MTU_BIT] =         "fcoe-mtu",
  55         [NETIF_F_NTUPLE_BIT] =           "rx-ntuple-filter",
  56         [NETIF_F_RXHASH_BIT] =           "rx-hashing",
  57         [NETIF_F_RXCSUM_BIT] =           "rx-checksum",
  58         [NETIF_F_NOCACHE_COPY_BIT] =     "tx-nocache-copy",
  59         [NETIF_F_LOOPBACK_BIT] =         "loopback",
  60         [NETIF_F_RXFCS_BIT] =            "rx-fcs",
  61         [NETIF_F_RXALL_BIT] =            "rx-all",
  62         [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
  63         [NETIF_F_HW_TC_BIT] =            "hw-tc-offload",
  64         [NETIF_F_HW_ESP_BIT] =           "esp-hw-offload",
  65         [NETIF_F_HW_ESP_TX_CSUM_BIT] =   "esp-tx-csum-hw-offload",
  66         [NETIF_F_RX_UDP_TUNNEL_PORT_BIT] =       "rx-udp_tunnel-port-offload",
  67         [NETIF_F_HW_TLS_RECORD_BIT] =   "tls-hw-record",
  68         [NETIF_F_HW_TLS_TX_BIT] =        "tls-hw-tx-offload",
  69         [NETIF_F_HW_TLS_RX_BIT] =        "tls-hw-rx-offload",
  70         [NETIF_F_GRO_FRAGLIST_BIT] =     "rx-gro-list",
  71         [NETIF_F_HW_MACSEC_BIT] =        "macsec-hw-offload",
  72         [NETIF_F_GRO_UDP_FWD_BIT] =      "rx-udp-gro-forwarding",
  73         [NETIF_F_HW_HSR_TAG_INS_BIT] =   "hsr-tag-ins-offload",
  74         [NETIF_F_HW_HSR_TAG_RM_BIT] =    "hsr-tag-rm-offload",
  75         [NETIF_F_HW_HSR_FWD_BIT] =       "hsr-fwd-offload",
  76         [NETIF_F_HW_HSR_DUP_BIT] =       "hsr-dup-offload",
  77 };
  78
  79 const char
  80 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
  81         [ETH_RSS_HASH_TOP_BIT] =        "toeplitz",
  82         [ETH_RSS_HASH_XOR_BIT] =        "xor",
  83         [ETH_RSS_HASH_CRC32_BIT] =      "crc32",
  84 };
  85
  86 const char
  87 tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
  88         [ETHTOOL_ID_UNSPEC]     = "Unspec",
  89         [ETHTOOL_RX_COPYBREAK]  = "rx-copybreak",
  90         [ETHTOOL_TX_COPYBREAK]  = "tx-copybreak",
  91         [ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout",
  92 };
  93
  94 const char
  95 phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
  96         [ETHTOOL_ID_UNSPEC]     = "Unspec",
  97         [ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift",
  98         [ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down",
  99         [ETHTOOL_PHY_EDPD]      = "phy-energy-detect-power-down",
 100 };
 101
 102 #define __LINK_MODE_NAME(speed, type, duplex) \
 103         #speed "base" #type "/" #duplex
 104 #define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \
 105         [ETHTOOL_LINK_MODE(speed, type, duplex)] = \
 106         __LINK_MODE_NAME(speed, type, duplex)
 107 #define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \
 108         [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name
 109
 110 const char link_mode_names[][ETH_GSTRING_LEN] = {
 111         __DEFINE_LINK_MODE_NAME(10, T, Half),
 112         __DEFINE_LINK_MODE_NAME(10, T, Full),
 113         __DEFINE_LINK_MODE_NAME(100, T, Half),
 114         __DEFINE_LINK_MODE_NAME(100, T, Full),
 115         __DEFINE_LINK_MODE_NAME(1000, T, Half),
 116         __DEFINE_LINK_MODE_NAME(1000, T, Full),
 117         __DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"),
 118         __DEFINE_SPECIAL_MODE_NAME(TP, "TP"),
 119         __DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"),
 120         __DEFINE_SPECIAL_MODE_NAME(MII, "MII"),
 121         __DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"),
 122         __DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"),
 123         __DEFINE_LINK_MODE_NAME(10000, T, Full),
 124         __DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"),
 125         __DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"),
 126         __DEFINE_LINK_MODE_NAME(2500, X, Full),
 127         __DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"),
 128         __DEFINE_LINK_MODE_NAME(1000, KX, Full),
 129         __DEFINE_LINK_MODE_NAME(10000, KX4, Full),
 130         __DEFINE_LINK_MODE_NAME(10000, KR, Full),
 131         __DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"),
 132         __DEFINE_LINK_MODE_NAME(20000, MLD2, Full),
 133         __DEFINE_LINK_MODE_NAME(20000, KR2, Full),
 134         __DEFINE_LINK_MODE_NAME(40000, KR4, Full),
 135         __DEFINE_LINK_MODE_NAME(40000, CR4, Full),
 136         __DEFINE_LINK_MODE_NAME(40000, SR4, Full),
 137         __DEFINE_LINK_MODE_NAME(40000, LR4, Full),
 138         __DEFINE_LINK_MODE_NAME(56000, KR4, Full),
 139         __DEFINE_LINK_MODE_NAME(56000, CR4, Full),
 140         __DEFINE_LINK_MODE_NAME(56000, SR4, Full),
 141         __DEFINE_LINK_MODE_NAME(56000, LR4, Full),
 142         __DEFINE_LINK_MODE_NAME(25000, CR, Full),
 143         __DEFINE_LINK_MODE_NAME(25000, KR, Full),
 144         __DEFINE_LINK_MODE_NAME(25000, SR, Full),
 145         __DEFINE_LINK_MODE_NAME(50000, CR2, Full),
 146         __DEFINE_LINK_MODE_NAME(50000, KR2, Full),
 147         __DEFINE_LINK_MODE_NAME(100000, KR4, Full),
 148         __DEFINE_LINK_MODE_NAME(100000, SR4, Full),
 149         __DEFINE_LINK_MODE_NAME(100000, CR4, Full),
 150         __DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full),
 151         __DEFINE_LINK_MODE_NAME(50000, SR2, Full),
 152         __DEFINE_LINK_MODE_NAME(1000, X, Full),
 153         __DEFINE_LINK_MODE_NAME(10000, CR, Full),
 154         __DEFINE_LINK_MODE_NAME(10000, SR, Full),
 155         __DEFINE_LINK_MODE_NAME(10000, LR, Full),
 156         __DEFINE_LINK_MODE_NAME(10000, LRM, Full),
 157         __DEFINE_LINK_MODE_NAME(10000, ER, Full),
 158         __DEFINE_LINK_MODE_NAME(2500, T, Full),
 159         __DEFINE_LINK_MODE_NAME(5000, T, Full),
 160         __DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"),
 161         __DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"),
 162         __DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"),
 163         __DEFINE_LINK_MODE_NAME(50000, KR, Full),
 164         __DEFINE_LINK_MODE_NAME(50000, SR, Full),
 165         __DEFINE_LINK_MODE_NAME(50000, CR, Full),
 166         __DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full),
 167         __DEFINE_LINK_MODE_NAME(50000, DR, Full),
 168         __DEFINE_LINK_MODE_NAME(100000, KR2, Full),
 169         __DEFINE_LINK_MODE_NAME(100000, SR2, Full),
 170         __DEFINE_LINK_MODE_NAME(100000, CR2, Full),
 171         __DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full),
 172         __DEFINE_LINK_MODE_NAME(100000, DR2, Full),
 173         __DEFINE_LINK_MODE_NAME(200000, KR4, Full),
 174         __DEFINE_LINK_MODE_NAME(200000, SR4, Full),
 175         __DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full),
 176         __DEFINE_LINK_MODE_NAME(200000, DR4, Full),
 177         __DEFINE_LINK_MODE_NAME(200000, CR4, Full),
 178         __DEFINE_LINK_MODE_NAME(100, T1, Full),
 179         __DEFINE_LINK_MODE_NAME(1000, T1, Full),
 180         __DEFINE_LINK_MODE_NAME(400000, KR8, Full),
 181         __DEFINE_LINK_MODE_NAME(400000, SR8, Full),
 182         __DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full),
 183         __DEFINE_LINK_MODE_NAME(400000, DR8, Full),
 184         __DEFINE_LINK_MODE_NAME(400000, CR8, Full),
 185         __DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"),
 186         __DEFINE_LINK_MODE_NAME(100000, KR, Full),
 187         __DEFINE_LINK_MODE_NAME(100000, SR, Full),
 188         __DEFINE_LINK_MODE_NAME(100000, LR_ER_FR, Full),
 189         __DEFINE_LINK_MODE_NAME(100000, DR, Full),
 190         __DEFINE_LINK_MODE_NAME(100000, CR, Full),
 191         __DEFINE_LINK_MODE_NAME(200000, KR2, Full),
 192         __DEFINE_LINK_MODE_NAME(200000, SR2, Full),
 193         __DEFINE_LINK_MODE_NAME(200000, LR2_ER2_FR2, Full),
 194         __DEFINE_LINK_MODE_NAME(200000, DR2, Full),
 195         __DEFINE_LINK_MODE_NAME(200000, CR2, Full),
 196         __DEFINE_LINK_MODE_NAME(400000, KR4, Full),
 197         __DEFINE_LINK_MODE_NAME(400000, SR4, Full),
 198         __DEFINE_LINK_MODE_NAME(400000, LR4_ER4_FR4, Full),
 199         __DEFINE_LINK_MODE_NAME(400000, DR4, Full),
 200         __DEFINE_LINK_MODE_NAME(400000, CR4, Full),
 201         __DEFINE_LINK_MODE_NAME(100, FX, Half),
 202         __DEFINE_LINK_MODE_NAME(100, FX, Full),
 203 };
 204 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
 205
 206 #define __LINK_MODE_LANES_CR            1
 207 #define __LINK_MODE_LANES_CR2           2
 208 #define __LINK_MODE_LANES_CR4           4
 209 #define __LINK_MODE_LANES_CR8           8
 210 #define __LINK_MODE_LANES_DR            1
 211 #define __LINK_MODE_LANES_DR2           2
 212 #define __LINK_MODE_LANES_DR4           4
 213 #define __LINK_MODE_LANES_DR8           8
 214 #define __LINK_MODE_LANES_KR            1
 215 #define __LINK_MODE_LANES_KR2           2
 216 #define __LINK_MODE_LANES_KR4           4
 217 #define __LINK_MODE_LANES_KR8           8
 218 #define __LINK_MODE_LANES_SR            1
 219 #define __LINK_MODE_LANES_SR2           2
 220 #define __LINK_MODE_LANES_SR4           4
 221 #define __LINK_MODE_LANES_SR8           8
 222 #define __LINK_MODE_LANES_ER            1
 223 #define __LINK_MODE_LANES_KX            1
 224 #define __LINK_MODE_LANES_KX4           4
 225 #define __LINK_MODE_LANES_LR            1
 226 #define __LINK_MODE_LANES_LR4           4
 227 #define __LINK_MODE_LANES_LR4_ER4       4
 228 #define __LINK_MODE_LANES_LR_ER_FR      1
 229 #define __LINK_MODE_LANES_LR2_ER2_FR2   2
 230 #define __LINK_MODE_LANES_LR4_ER4_FR4   4
 231 #define __LINK_MODE_LANES_LR8_ER8_FR8   8
 232 #define __LINK_MODE_LANES_LRM           1
 233 #define __LINK_MODE_LANES_MLD2          2
 234 #define __LINK_MODE_LANES_T             1
 235 #define __LINK_MODE_LANES_T1            1
 236 #define __LINK_MODE_LANES_X             1
 237 #define __LINK_MODE_LANES_FX            1
 238
 239 #define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex)       \
 240         [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = {         \
 241                 .speed  = SPEED_ ## _speed, \
 242                 .lanes  = __LINK_MODE_LANES_ ## _type, \
 243                 .duplex = __DUPLEX_ ## _duplex \
 244         }
 245 #define __DUPLEX_Half DUPLEX_HALF
 246 #define __DUPLEX_Full DUPLEX_FULL
 247 #define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \
 248         [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \
 249                 .speed  = SPEED_UNKNOWN, \
 250                 .lanes  = 0, \
 251                 .duplex = DUPLEX_UNKNOWN, \
 252         }
 253
 254 const struct link_mode_info link_mode_params[] = {
 255         __DEFINE_LINK_MODE_PARAMS(10, T, Half),
 256         __DEFINE_LINK_MODE_PARAMS(10, T, Full),
 257         __DEFINE_LINK_MODE_PARAMS(100, T, Half),
 258         __DEFINE_LINK_MODE_PARAMS(100, T, Full),
 259         __DEFINE_LINK_MODE_PARAMS(1000, T, Half),
 260         __DEFINE_LINK_MODE_PARAMS(1000, T, Full),
 261         __DEFINE_SPECIAL_MODE_PARAMS(Autoneg),
 262         __DEFINE_SPECIAL_MODE_PARAMS(TP),
 263         __DEFINE_SPECIAL_MODE_PARAMS(AUI),
 264         __DEFINE_SPECIAL_MODE_PARAMS(MII),
 265         __DEFINE_SPECIAL_MODE_PARAMS(FIBRE),
 266         __DEFINE_SPECIAL_MODE_PARAMS(BNC),
 267         __DEFINE_LINK_MODE_PARAMS(10000, T, Full),
 268         __DEFINE_SPECIAL_MODE_PARAMS(Pause),
 269         __DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause),
 270         __DEFINE_LINK_MODE_PARAMS(2500, X, Full),
 271         __DEFINE_SPECIAL_MODE_PARAMS(Backplane),
 272         __DEFINE_LINK_MODE_PARAMS(1000, KX, Full),
 273         __DEFINE_LINK_MODE_PARAMS(10000, KX4, Full),
 274         __DEFINE_LINK_MODE_PARAMS(10000, KR, Full),
 275         [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = {
 276                 .speed  = SPEED_10000,
 277                 .lanes  = 1,
 278                 .duplex = DUPLEX_FULL,
 279         },
 280         __DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full),
 281         __DEFINE_LINK_MODE_PARAMS(20000, KR2, Full),
 282         __DEFINE_LINK_MODE_PARAMS(40000, KR4, Full),
 283         __DEFINE_LINK_MODE_PARAMS(40000, CR4, Full),
 284         __DEFINE_LINK_MODE_PARAMS(40000, SR4, Full),
 285         __DEFINE_LINK_MODE_PARAMS(40000, LR4, Full),
 286         __DEFINE_LINK_MODE_PARAMS(56000, KR4, Full),
 287         __DEFINE_LINK_MODE_PARAMS(56000, CR4, Full),
 288         __DEFINE_LINK_MODE_PARAMS(56000, SR4, Full),
 289         __DEFINE_LINK_MODE_PARAMS(56000, LR4, Full),
 290         __DEFINE_LINK_MODE_PARAMS(25000, CR, Full),
 291         __DEFINE_LINK_MODE_PARAMS(25000, KR, Full),
 292         __DEFINE_LINK_MODE_PARAMS(25000, SR, Full),
 293         __DEFINE_LINK_MODE_PARAMS(50000, CR2, Full),
 294         __DEFINE_LINK_MODE_PARAMS(50000, KR2, Full),
 295         __DEFINE_LINK_MODE_PARAMS(100000, KR4, Full),
 296         __DEFINE_LINK_MODE_PARAMS(100000, SR4, Full),
 297         __DEFINE_LINK_MODE_PARAMS(100000, CR4, Full),
 298         __DEFINE_LINK_MODE_PARAMS(100000, LR4_ER4, Full),
 299         __DEFINE_LINK_MODE_PARAMS(50000, SR2, Full),
 300         __DEFINE_LINK_MODE_PARAMS(1000, X, Full),
 301         __DEFINE_LINK_MODE_PARAMS(10000, CR, Full),
 302         __DEFINE_LINK_MODE_PARAMS(10000, SR, Full),
 303         __DEFINE_LINK_MODE_PARAMS(10000, LR, Full),
 304         __DEFINE_LINK_MODE_PARAMS(10000, LRM, Full),
 305         __DEFINE_LINK_MODE_PARAMS(10000, ER, Full),
 306         __DEFINE_LINK_MODE_PARAMS(2500, T, Full),
 307         __DEFINE_LINK_MODE_PARAMS(5000, T, Full),
 308         __DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE),
 309         __DEFINE_SPECIAL_MODE_PARAMS(FEC_RS),
 310         __DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER),
 311         __DEFINE_LINK_MODE_PARAMS(50000, KR, Full),
 312         __DEFINE_LINK_MODE_PARAMS(50000, SR, Full),
 313         __DEFINE_LINK_MODE_PARAMS(50000, CR, Full),
 314         __DEFINE_LINK_MODE_PARAMS(50000, LR_ER_FR, Full),
 315         __DEFINE_LINK_MODE_PARAMS(50000, DR, Full),
 316         __DEFINE_LINK_MODE_PARAMS(100000, KR2, Full),
 317         __DEFINE_LINK_MODE_PARAMS(100000, SR2, Full),
 318         __DEFINE_LINK_MODE_PARAMS(100000, CR2, Full),
 319         __DEFINE_LINK_MODE_PARAMS(100000, LR2_ER2_FR2, Full),
 320         __DEFINE_LINK_MODE_PARAMS(100000, DR2, Full),
 321         __DEFINE_LINK_MODE_PARAMS(200000, KR4, Full),
 322         __DEFINE_LINK_MODE_PARAMS(200000, SR4, Full),
 323         __DEFINE_LINK_MODE_PARAMS(200000, LR4_ER4_FR4, Full),
 324         __DEFINE_LINK_MODE_PARAMS(200000, DR4, Full),
 325         __DEFINE_LINK_MODE_PARAMS(200000, CR4, Full),
 326         __DEFINE_LINK_MODE_PARAMS(100, T1, Full),
 327         __DEFINE_LINK_MODE_PARAMS(1000, T1, Full),
 328         __DEFINE_LINK_MODE_PARAMS(400000, KR8, Full),
 329         __DEFINE_LINK_MODE_PARAMS(400000, SR8, Full),
 330         __DEFINE_LINK_MODE_PARAMS(400000, LR8_ER8_FR8, Full),
 331         __DEFINE_LINK_MODE_PARAMS(400000, DR8, Full),
 332         __DEFINE_LINK_MODE_PARAMS(400000, CR8, Full),
 333         __DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS),
 334         __DEFINE_LINK_MODE_PARAMS(100000, KR, Full),
 335         __DEFINE_LINK_MODE_PARAMS(100000, SR, Full),
 336         __DEFINE_LINK_MODE_PARAMS(100000, LR_ER_FR, Full),
 337         __DEFINE_LINK_MODE_PARAMS(100000, DR, Full),
 338         __DEFINE_LINK_MODE_PARAMS(100000, CR, Full),
 339         __DEFINE_LINK_MODE_PARAMS(200000, KR2, Full),
 340         __DEFINE_LINK_MODE_PARAMS(200000, SR2, Full),
 341         __DEFINE_LINK_MODE_PARAMS(200000, LR2_ER2_FR2, Full),
 342         __DEFINE_LINK_MODE_PARAMS(200000, DR2, Full),
 343         __DEFINE_LINK_MODE_PARAMS(200000, CR2, Full),
 344         __DEFINE_LINK_MODE_PARAMS(400000, KR4, Full),
 345         __DEFINE_LINK_MODE_PARAMS(400000, SR4, Full),
 346         __DEFINE_LINK_MODE_PARAMS(400000, LR4_ER4_FR4, Full),
 347         __DEFINE_LINK_MODE_PARAMS(400000, DR4, Full),
 348         __DEFINE_LINK_MODE_PARAMS(400000, CR4, Full),
 349         __DEFINE_LINK_MODE_PARAMS(100, FX, Half),
 350         __DEFINE_LINK_MODE_PARAMS(100, FX, Full),
 351 };
 352 static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS);
 353
 354 const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
 355         [NETIF_MSG_DRV_BIT]             = "drv",
 356         [NETIF_MSG_PROBE_BIT]           = "probe",
 357         [NETIF_MSG_LINK_BIT]            = "link",
 358         [NETIF_MSG_TIMER_BIT]           = "timer",
 359         [NETIF_MSG_IFDOWN_BIT]          = "ifdown",
 360         [NETIF_MSG_IFUP_BIT]            = "ifup",
 361         [NETIF_MSG_RX_ERR_BIT]          = "rx_err",
 362         [NETIF_MSG_TX_ERR_BIT]          = "tx_err",
 363         [NETIF_MSG_TX_QUEUED_BIT]       = "tx_queued",
 364         [NETIF_MSG_INTR_BIT]            = "intr",
 365         [NETIF_MSG_TX_DONE_BIT]         = "tx_done",
 366         [NETIF_MSG_RX_STATUS_BIT]       = "rx_status",
 367         [NETIF_MSG_PKTDATA_BIT]         = "pktdata",
 368         [NETIF_MSG_HW_BIT]              = "hw",
 369         [NETIF_MSG_WOL_BIT]             = "wol",
 370 };
 371 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT);
 372
 373 const char wol_mode_names[][ETH_GSTRING_LEN] = {
 374         [const_ilog2(WAKE_PHY)]         = "phy",
 375         [const_ilog2(WAKE_UCAST)]       = "ucast",
 376         [const_ilog2(WAKE_MCAST)]       = "mcast",
 377         [const_ilog2(WAKE_BCAST)]       = "bcast",
 378         [const_ilog2(WAKE_ARP)]         = "arp",
 379         [const_ilog2(WAKE_MAGIC)]       = "magic",
 380         [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure",
 381         [const_ilog2(WAKE_FILTER)]      = "filter",
 382 };
 383 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT);
 384
 385 const char sof_timestamping_names[][ETH_GSTRING_LEN] = {
 386         [const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)]  = "hardware-transmit",
 387         [const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)]  = "software-transmit",
 388         [const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)]  = "hardware-receive",
 389         [const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)]  = "software-receive",
 390         [const_ilog2(SOF_TIMESTAMPING_SOFTWARE)]     = "software-system-clock",
 391         [const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock",
 392         [const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock",
 393         [const_ilog2(SOF_TIMESTAMPING_OPT_ID)]       = "option-id",
 394         [const_ilog2(SOF_TIMESTAMPING_TX_SCHED)]     = "sched-transmit",
 395         [const_ilog2(SOF_TIMESTAMPING_TX_ACK)]       = "ack-transmit",
 396         [const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)]     = "option-cmsg",
 397         [const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)]   = "option-tsonly",
 398         [const_ilog2(SOF_TIMESTAMPING_OPT_STATS)]    = "option-stats",
 399         [const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)]  = "option-pktinfo",
 400         [const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)]  = "option-tx-swhw",
 401         [const_ilog2(SOF_TIMESTAMPING_BIND_PHC)]     = "bind-phc",
 402 };
 403 static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT);
 404
 405 const char ts_tx_type_names[][ETH_GSTRING_LEN] = {
 406         [HWTSTAMP_TX_OFF]               = "off",
 407         [HWTSTAMP_TX_ON]                = "on",
 408         [HWTSTAMP_TX_ONESTEP_SYNC]      = "onestep-sync",
 409         [HWTSTAMP_TX_ONESTEP_P2P]       = "onestep-p2p",
 410 };
 411 static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT);
 412
 413 const char ts_rx_filter_names[][ETH_GSTRING_LEN] = {
 414         [HWTSTAMP_FILTER_NONE]                  = "none",
 415         [HWTSTAMP_FILTER_ALL]                   = "all",
 416         [HWTSTAMP_FILTER_SOME]                  = "some",
 417         [HWTSTAMP_FILTER_PTP_V1_L4_EVENT]       = "ptpv1-l4-event",
 418         [HWTSTAMP_FILTER_PTP_V1_L4_SYNC]        = "ptpv1-l4-sync",
 419         [HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ]   = "ptpv1-l4-delay-req",
 420         [HWTSTAMP_FILTER_PTP_V2_L4_EVENT]       = "ptpv2-l4-event",
 421         [HWTSTAMP_FILTER_PTP_V2_L4_SYNC]        = "ptpv2-l4-sync",
 422         [HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ]   = "ptpv2-l4-delay-req",
 423         [HWTSTAMP_FILTER_PTP_V2_L2_EVENT]       = "ptpv2-l2-event",
 424         [HWTSTAMP_FILTER_PTP_V2_L2_SYNC]        = "ptpv2-l2-sync",
 425         [HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ]   = "ptpv2-l2-delay-req",
 426         [HWTSTAMP_FILTER_PTP_V2_EVENT]          = "ptpv2-event",
 427         [HWTSTAMP_FILTER_PTP_V2_SYNC]           = "ptpv2-sync",
 428         [HWTSTAMP_FILTER_PTP_V2_DELAY_REQ]      = "ptpv2-delay-req",
 429         [HWTSTAMP_FILTER_NTP_ALL]               = "ntp-all",
 430 };
 431 static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT);
 432
 433 const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = {
 434         [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN]         = "vxlan",
 435         [ETHTOOL_UDP_TUNNEL_TYPE_GENEVE]        = "geneve",
 436         [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE]     = "vxlan-gpe",
 437 };
 438 static_assert(ARRAY_SIZE(udp_tunnel_type_names) ==
 439               __ETHTOOL_UDP_TUNNEL_TYPE_CNT);
 440
 441 /* return false if legacy contained non-0 deprecated fields
 442  * maxtxpkt/maxrxpkt. rest of ksettings always updated
 443  */
 444 bool
 445 convert_legacy_settings_to_link_ksettings(
 446         struct ethtool_link_ksettings *link_ksettings,
 447         const struct ethtool_cmd *legacy_settings)
 448 {
 449         bool retval = true;
 450
 451         memset(link_ksettings, 0, sizeof(*link_ksettings));
 452
 453         /* This is used to tell users that driver is still using these
 454          * deprecated legacy fields, and they should not use
 455          * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS
 456          */
 457         if (legacy_settings->maxtxpkt ||
 458             legacy_settings->maxrxpkt)
 459                 retval = false;
 460
 461         ethtool_convert_legacy_u32_to_link_mode(
 462                 link_ksettings->link_modes.supported,
 463                 legacy_settings->supported);
 464         ethtool_convert_legacy_u32_to_link_mode(
 465                 link_ksettings->link_modes.advertising,
 466                 legacy_settings->advertising);
 467         ethtool_convert_legacy_u32_to_link_mode(
 468                 link_ksettings->link_modes.lp_advertising,
 469                 legacy_settings->lp_advertising);
 470         link_ksettings->base.speed
 471                 = ethtool_cmd_speed(legacy_settings);
 472         link_ksettings->base.duplex
 473                 = legacy_settings->duplex;
 474         link_ksettings->base.port
 475                 = legacy_settings->port;
 476         link_ksettings->base.phy_address
 477                 = legacy_settings->phy_address;
 478         link_ksettings->base.autoneg
 479                 = legacy_settings->autoneg;
 480         link_ksettings->base.mdio_support
 481                 = legacy_settings->mdio_support;
 482         link_ksettings->base.eth_tp_mdix
 483                 = legacy_settings->eth_tp_mdix;
 484         link_ksettings->base.eth_tp_mdix_ctrl
 485                 = legacy_settings->eth_tp_mdix_ctrl;
 486         return retval;
 487 }
 488
 489 int __ethtool_get_link(struct net_device *dev)
 490 {
 491         if (!dev->ethtool_ops->get_link)
 492                 return -EOPNOTSUPP;
 493
 494         return netif_running(dev) && dev->ethtool_ops->get_link(dev);
 495 }
 496
 497 int ethtool_get_max_rxfh_channel(struct net_device *dev, u32 *max)
 498 {
 499         u32 dev_size, current_max = 0;
 500         u32 *indir;
 501         int ret;
 502
 503         if (!dev->ethtool_ops->get_rxfh_indir_size ||
 504             !dev->ethtool_ops->get_rxfh)
 505                 return -EOPNOTSUPP;
 506         dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
 507         if (dev_size == 0)
 508                 return -EOPNOTSUPP;
 509
 510         indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
 511         if (!indir)
 512                 return -ENOMEM;
 513
 514         ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
 515         if (ret)
 516                 goto out;
 517
 518         while (dev_size--)
 519                 current_max = max(current_max, indir[dev_size]);
 520
 521         *max = current_max;
 522
 523 out:
 524         kfree(indir);
 525         return ret;
 526 }
 527
 528 int ethtool_check_ops(const struct ethtool_ops *ops)
 529 {
 530         if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
 531                 return -EINVAL;
 532         /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime,
 533          * the fact that ops are checked at registration time does not
 534          * mean the ops attached to a netdev later on are sane.
 535          */
 536         return 0;
 537 }
 538
 539 int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
 540 {
 541         const struct ethtool_ops *ops = dev->ethtool_ops;
 542         struct phy_device *phydev = dev->phydev;
 543
 544         memset(info, 0, sizeof(*info));
 545         info->cmd = ETHTOOL_GET_TS_INFO;
 546
 547         if (phy_has_tsinfo(phydev))
 548                 return phy_ts_info(phydev, info);
 549         if (ops->get_ts_info)
 550                 return ops->get_ts_info(dev, info);
 551
 552         info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
 553                                 SOF_TIMESTAMPING_SOFTWARE;
 554         info->phc_index = -1;
 555
 556         return 0;
 557 }
 558
 559 int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index)
 560 {
 561         struct ethtool_ts_info info = { };
 562         int num = 0;
 563
 564         if (!__ethtool_get_ts_info(dev, &info))
 565                 num = ptp_get_vclocks_index(info.phc_index, vclock_index);
 566
 567         return num;
 568 }
 569 EXPORT_SYMBOL(ethtool_get_phc_vclocks);
 570
 571 const struct ethtool_phy_ops *ethtool_phy_ops;
 572
 573 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)
 574 {
 575         rtnl_lock();
 576         ethtool_phy_ops = ops;
 577         rtnl_unlock();
 578 }
 579 EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops);
 580
 581 void
 582 ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings,
 583                               enum ethtool_link_mode_bit_indices link_mode)
 584 {
 585         const struct link_mode_info *link_info;
 586
 587         if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS))
 588                 return;
 589
 590         link_info = &link_mode_params[link_mode];
 591         link_ksettings->base.speed = link_info->speed;
 592         link_ksettings->lanes = link_info->lanes;
 593         link_ksettings->base.duplex = link_info->duplex;
 594 }
 595 EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode);