1 // SPDX-License-Identifier: GPL-2.0-only 2 3 #include "common.h" 4 5 const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = { 6 [NETIF_F_SG_BIT] = "tx-scatter-gather", 7 [NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4", 8 [NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic", 9 [NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6", 10 [NETIF_F_HIGHDMA_BIT] = "highdma", 11 [NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist", 12 [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert", 13 14 [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse", 15 [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter", 16 [NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert", 17 [NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse", 18 [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter", 19 [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged", 20 [NETIF_F_GSO_BIT] = "tx-generic-segmentation", 21 [NETIF_F_LLTX_BIT] = "tx-lockless", 22 [NETIF_F_NETNS_LOCAL_BIT] = "netns-local", 23 [NETIF_F_GRO_BIT] = "rx-gro", 24 [NETIF_F_GRO_HW_BIT] = "rx-gro-hw", 25 [NETIF_F_LRO_BIT] = "rx-lro", 26 27 [NETIF_F_TSO_BIT] = "tx-tcp-segmentation", 28 [NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust", 29 [NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation", 30 [NETIF_F_TSO_MANGLEID_BIT] = "tx-tcp-mangleid-segmentation", 31 [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation", 32 [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation", 33 [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation", 34 [NETIF_F_GSO_GRE_CSUM_BIT] = "tx-gre-csum-segmentation", 35 [NETIF_F_GSO_IPXIP4_BIT] = "tx-ipxip4-segmentation", 36 [NETIF_F_GSO_IPXIP6_BIT] = "tx-ipxip6-segmentation", 37 [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation", 38 [NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation", 39 [NETIF_F_GSO_PARTIAL_BIT] = "tx-gso-partial", 40 [NETIF_F_GSO_SCTP_BIT] = "tx-sctp-segmentation", 41 [NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation", 42 [NETIF_F_GSO_UDP_L4_BIT] = "tx-udp-segmentation", 43 44 [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc", 45 [NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp", 46 [NETIF_F_FCOE_MTU_BIT] = "fcoe-mtu", 47 [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter", 48 [NETIF_F_RXHASH_BIT] = "rx-hashing", 49 [NETIF_F_RXCSUM_BIT] = "rx-checksum", 50 [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy", 51 [NETIF_F_LOOPBACK_BIT] = "loopback", 52 [NETIF_F_RXFCS_BIT] = "rx-fcs", 53 [NETIF_F_RXALL_BIT] = "rx-all", 54 [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload", 55 [NETIF_F_HW_TC_BIT] = "hw-tc-offload", 56 [NETIF_F_HW_ESP_BIT] = "esp-hw-offload", 57 [NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload", 58 [NETIF_F_RX_UDP_TUNNEL_PORT_BIT] = "rx-udp_tunnel-port-offload", 59 [NETIF_F_HW_TLS_RECORD_BIT] = "tls-hw-record", 60 [NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload", 61 [NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload", 62 [NETIF_F_GRO_FRAGLIST_BIT] = "rx-gro-list", 63 [NETIF_F_HW_MACSEC_BIT] = "macsec-hw-offload", 64 }; 65 66 const char 67 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = { 68 [ETH_RSS_HASH_TOP_BIT] = "toeplitz", 69 [ETH_RSS_HASH_XOR_BIT] = "xor", 70 [ETH_RSS_HASH_CRC32_BIT] = "crc32", 71 }; 72 73 const char 74 tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = { 75 [ETHTOOL_ID_UNSPEC] = "Unspec", 76 [ETHTOOL_RX_COPYBREAK] = "rx-copybreak", 77 [ETHTOOL_TX_COPYBREAK] = "tx-copybreak", 78 [ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout", 79 }; 80 81 const char 82 phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = { 83 [ETHTOOL_ID_UNSPEC] = "Unspec", 84 [ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift", 85 [ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down", 86 [ETHTOOL_PHY_EDPD] = "phy-energy-detect-power-down", 87 }; 88 89 #define __LINK_MODE_NAME(speed, type, duplex) \ 90 #speed "base" #type "/" #duplex 91 #define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \ 92 [ETHTOOL_LINK_MODE(speed, type, duplex)] = \ 93 __LINK_MODE_NAME(speed, type, duplex) 94 #define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \ 95 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name 96 97 const char link_mode_names[][ETH_GSTRING_LEN] = { 98 __DEFINE_LINK_MODE_NAME(10, T, Half), 99 __DEFINE_LINK_MODE_NAME(10, T, Full), 100 __DEFINE_LINK_MODE_NAME(100, T, Half), 101 __DEFINE_LINK_MODE_NAME(100, T, Full), 102 __DEFINE_LINK_MODE_NAME(1000, T, Half), 103 __DEFINE_LINK_MODE_NAME(1000, T, Full), 104 __DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"), 105 __DEFINE_SPECIAL_MODE_NAME(TP, "TP"), 106 __DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"), 107 __DEFINE_SPECIAL_MODE_NAME(MII, "MII"), 108 __DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"), 109 __DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"), 110 __DEFINE_LINK_MODE_NAME(10000, T, Full), 111 __DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"), 112 __DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"), 113 __DEFINE_LINK_MODE_NAME(2500, X, Full), 114 __DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"), 115 __DEFINE_LINK_MODE_NAME(1000, KX, Full), 116 __DEFINE_LINK_MODE_NAME(10000, KX4, Full), 117 __DEFINE_LINK_MODE_NAME(10000, KR, Full), 118 __DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"), 119 __DEFINE_LINK_MODE_NAME(20000, MLD2, Full), 120 __DEFINE_LINK_MODE_NAME(20000, KR2, Full), 121 __DEFINE_LINK_MODE_NAME(40000, KR4, Full), 122 __DEFINE_LINK_MODE_NAME(40000, CR4, Full), 123 __DEFINE_LINK_MODE_NAME(40000, SR4, Full), 124 __DEFINE_LINK_MODE_NAME(40000, LR4, Full), 125 __DEFINE_LINK_MODE_NAME(56000, KR4, Full), 126 __DEFINE_LINK_MODE_NAME(56000, CR4, Full), 127 __DEFINE_LINK_MODE_NAME(56000, SR4, Full), 128 __DEFINE_LINK_MODE_NAME(56000, LR4, Full), 129 __DEFINE_LINK_MODE_NAME(25000, CR, Full), 130 __DEFINE_LINK_MODE_NAME(25000, KR, Full), 131 __DEFINE_LINK_MODE_NAME(25000, SR, Full), 132 __DEFINE_LINK_MODE_NAME(50000, CR2, Full), 133 __DEFINE_LINK_MODE_NAME(50000, KR2, Full), 134 __DEFINE_LINK_MODE_NAME(100000, KR4, Full), 135 __DEFINE_LINK_MODE_NAME(100000, SR4, Full), 136 __DEFINE_LINK_MODE_NAME(100000, CR4, Full), 137 __DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full), 138 __DEFINE_LINK_MODE_NAME(50000, SR2, Full), 139 __DEFINE_LINK_MODE_NAME(1000, X, Full), 140 __DEFINE_LINK_MODE_NAME(10000, CR, Full), 141 __DEFINE_LINK_MODE_NAME(10000, SR, Full), 142 __DEFINE_LINK_MODE_NAME(10000, LR, Full), 143 __DEFINE_LINK_MODE_NAME(10000, LRM, Full), 144 __DEFINE_LINK_MODE_NAME(10000, ER, Full), 145 __DEFINE_LINK_MODE_NAME(2500, T, Full), 146 __DEFINE_LINK_MODE_NAME(5000, T, Full), 147 __DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"), 148 __DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"), 149 __DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"), 150 __DEFINE_LINK_MODE_NAME(50000, KR, Full), 151 __DEFINE_LINK_MODE_NAME(50000, SR, Full), 152 __DEFINE_LINK_MODE_NAME(50000, CR, Full), 153 __DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full), 154 __DEFINE_LINK_MODE_NAME(50000, DR, Full), 155 __DEFINE_LINK_MODE_NAME(100000, KR2, Full), 156 __DEFINE_LINK_MODE_NAME(100000, SR2, Full), 157 __DEFINE_LINK_MODE_NAME(100000, CR2, Full), 158 __DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full), 159 __DEFINE_LINK_MODE_NAME(100000, DR2, Full), 160 __DEFINE_LINK_MODE_NAME(200000, KR4, Full), 161 __DEFINE_LINK_MODE_NAME(200000, SR4, Full), 162 __DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full), 163 __DEFINE_LINK_MODE_NAME(200000, DR4, Full), 164 __DEFINE_LINK_MODE_NAME(200000, CR4, Full), 165 __DEFINE_LINK_MODE_NAME(100, T1, Full), 166 __DEFINE_LINK_MODE_NAME(1000, T1, Full), 167 __DEFINE_LINK_MODE_NAME(400000, KR8, Full), 168 __DEFINE_LINK_MODE_NAME(400000, SR8, Full), 169 __DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full), 170 __DEFINE_LINK_MODE_NAME(400000, DR8, Full), 171 __DEFINE_LINK_MODE_NAME(400000, CR8, Full), 172 __DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"), 173 }; 174 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS); 175 176 const char netif_msg_class_names[][ETH_GSTRING_LEN] = { 177 [NETIF_MSG_DRV_BIT] = "drv", 178 [NETIF_MSG_PROBE_BIT] = "probe", 179 [NETIF_MSG_LINK_BIT] = "link", 180 [NETIF_MSG_TIMER_BIT] = "timer", 181 [NETIF_MSG_IFDOWN_BIT] = "ifdown", 182 [NETIF_MSG_IFUP_BIT] = "ifup", 183 [NETIF_MSG_RX_ERR_BIT] = "rx_err", 184 [NETIF_MSG_TX_ERR_BIT] = "tx_err", 185 [NETIF_MSG_TX_QUEUED_BIT] = "tx_queued", 186 [NETIF_MSG_INTR_BIT] = "intr", 187 [NETIF_MSG_TX_DONE_BIT] = "tx_done", 188 [NETIF_MSG_RX_STATUS_BIT] = "rx_status", 189 [NETIF_MSG_PKTDATA_BIT] = "pktdata", 190 [NETIF_MSG_HW_BIT] = "hw", 191 [NETIF_MSG_WOL_BIT] = "wol", 192 }; 193 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT); 194 195 const char wol_mode_names[][ETH_GSTRING_LEN] = { 196 [const_ilog2(WAKE_PHY)] = "phy", 197 [const_ilog2(WAKE_UCAST)] = "ucast", 198 [const_ilog2(WAKE_MCAST)] = "mcast", 199 [const_ilog2(WAKE_BCAST)] = "bcast", 200 [const_ilog2(WAKE_ARP)] = "arp", 201 [const_ilog2(WAKE_MAGIC)] = "magic", 202 [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure", 203 [const_ilog2(WAKE_FILTER)] = "filter", 204 }; 205 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT); 206 207 /* return false if legacy contained non-0 deprecated fields 208 * maxtxpkt/maxrxpkt. rest of ksettings always updated 209 */ 210 bool 211 convert_legacy_settings_to_link_ksettings( 212 struct ethtool_link_ksettings *link_ksettings, 213 const struct ethtool_cmd *legacy_settings) 214 { 215 bool retval = true; 216 217 memset(link_ksettings, 0, sizeof(*link_ksettings)); 218 219 /* This is used to tell users that driver is still using these 220 * deprecated legacy fields, and they should not use 221 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS 222 */ 223 if (legacy_settings->maxtxpkt || 224 legacy_settings->maxrxpkt) 225 retval = false; 226 227 ethtool_convert_legacy_u32_to_link_mode( 228 link_ksettings->link_modes.supported, 229 legacy_settings->supported); 230 ethtool_convert_legacy_u32_to_link_mode( 231 link_ksettings->link_modes.advertising, 232 legacy_settings->advertising); 233 ethtool_convert_legacy_u32_to_link_mode( 234 link_ksettings->link_modes.lp_advertising, 235 legacy_settings->lp_advertising); 236 link_ksettings->base.speed 237 = ethtool_cmd_speed(legacy_settings); 238 link_ksettings->base.duplex 239 = legacy_settings->duplex; 240 link_ksettings->base.port 241 = legacy_settings->port; 242 link_ksettings->base.phy_address 243 = legacy_settings->phy_address; 244 link_ksettings->base.autoneg 245 = legacy_settings->autoneg; 246 link_ksettings->base.mdio_support 247 = legacy_settings->mdio_support; 248 link_ksettings->base.eth_tp_mdix 249 = legacy_settings->eth_tp_mdix; 250 link_ksettings->base.eth_tp_mdix_ctrl 251 = legacy_settings->eth_tp_mdix_ctrl; 252 return retval; 253 } 254 255 int __ethtool_get_link(struct net_device *dev) 256 { 257 if (!dev->ethtool_ops->get_link) 258 return -EOPNOTSUPP; 259 260 return netif_running(dev) && dev->ethtool_ops->get_link(dev); 261 } 262 263 int ethtool_get_max_rxfh_channel(struct net_device *dev, u32 *max) 264 { 265 u32 dev_size, current_max = 0; 266 u32 *indir; 267 int ret; 268 269 if (!dev->ethtool_ops->get_rxfh_indir_size || 270 !dev->ethtool_ops->get_rxfh) 271 return -EOPNOTSUPP; 272 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev); 273 if (dev_size == 0) 274 return -EOPNOTSUPP; 275 276 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER); 277 if (!indir) 278 return -ENOMEM; 279 280 ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL); 281 if (ret) 282 goto out; 283 284 while (dev_size--) 285 current_max = max(current_max, indir[dev_size]); 286 287 *max = current_max; 288 289 out: 290 kfree(indir); 291 return ret; 292 } 293 294 int ethtool_check_ops(const struct ethtool_ops *ops) 295 { 296 if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params)) 297 return -EINVAL; 298 /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime, 299 * the fact that ops are checked at registration time does not 300 * mean the ops attached to a netdev later on are sane. 301 */ 302 return 0; 303 } 304