1 /******************************************************************************* 2 * 3 * Intel Ethernet Controller XL710 Family Linux Driver 4 * Copyright(c) 2013 - 2014 Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program. If not, see <http://www.gnu.org/licenses/>. 17 * 18 * The full GNU General Public License is included in this distribution in 19 * the file called "COPYING". 20 * 21 * Contact Information: 22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24 * 25 ******************************************************************************/ 26 27 /* ethtool support for i40e */ 28 29 #include "i40e.h" 30 #include "i40e_diag.h" 31 32 struct i40e_stats { 33 char stat_string[ETH_GSTRING_LEN]; 34 int sizeof_stat; 35 int stat_offset; 36 }; 37 38 #define I40E_STAT(_type, _name, _stat) { \ 39 .stat_string = _name, \ 40 .sizeof_stat = FIELD_SIZEOF(_type, _stat), \ 41 .stat_offset = offsetof(_type, _stat) \ 42 } 43 #define I40E_NETDEV_STAT(_net_stat) \ 44 I40E_STAT(struct net_device_stats, #_net_stat, _net_stat) 45 #define I40E_PF_STAT(_name, _stat) \ 46 I40E_STAT(struct i40e_pf, _name, _stat) 47 #define I40E_VSI_STAT(_name, _stat) \ 48 I40E_STAT(struct i40e_vsi, _name, _stat) 49 #define I40E_VEB_STAT(_name, _stat) \ 50 I40E_STAT(struct i40e_veb, _name, _stat) 51 52 static const struct i40e_stats i40e_gstrings_net_stats[] = { 53 I40E_NETDEV_STAT(rx_packets), 54 I40E_NETDEV_STAT(tx_packets), 55 I40E_NETDEV_STAT(rx_bytes), 56 I40E_NETDEV_STAT(tx_bytes), 57 I40E_NETDEV_STAT(rx_errors), 58 I40E_NETDEV_STAT(tx_errors), 59 I40E_NETDEV_STAT(rx_dropped), 60 I40E_NETDEV_STAT(tx_dropped), 61 I40E_NETDEV_STAT(collisions), 62 I40E_NETDEV_STAT(rx_length_errors), 63 I40E_NETDEV_STAT(rx_crc_errors), 64 }; 65 66 static const struct i40e_stats i40e_gstrings_veb_stats[] = { 67 I40E_VEB_STAT("rx_bytes", stats.rx_bytes), 68 I40E_VEB_STAT("tx_bytes", stats.tx_bytes), 69 I40E_VEB_STAT("rx_unicast", stats.rx_unicast), 70 I40E_VEB_STAT("tx_unicast", stats.tx_unicast), 71 I40E_VEB_STAT("rx_multicast", stats.rx_multicast), 72 I40E_VEB_STAT("tx_multicast", stats.tx_multicast), 73 I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast), 74 I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast), 75 I40E_VEB_STAT("rx_discards", stats.rx_discards), 76 I40E_VEB_STAT("tx_discards", stats.tx_discards), 77 I40E_VEB_STAT("tx_errors", stats.tx_errors), 78 I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol), 79 }; 80 81 static const struct i40e_stats i40e_gstrings_misc_stats[] = { 82 I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 83 I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 84 I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 85 I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 86 I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 87 I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 88 I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 89 }; 90 91 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, 92 struct ethtool_rxnfc *cmd); 93 94 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 95 * but they are separate. This device supports Virtualization, and 96 * as such might have several netdevs supporting VMDq and FCoE going 97 * through a single port. The NETDEV_STATs are for individual netdevs 98 * seen at the top of the stack, and the PF_STATs are for the physical 99 * function at the bottom of the stack hosting those netdevs. 100 * 101 * The PF_STATs are appended to the netdev stats only when ethtool -S 102 * is queried on the base PF netdev, not on the VMDq or FCoE netdev. 103 */ 104 static struct i40e_stats i40e_gstrings_stats[] = { 105 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes), 106 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes), 107 I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast), 108 I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast), 109 I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast), 110 I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast), 111 I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast), 112 I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast), 113 I40E_PF_STAT("tx_errors", stats.eth.tx_errors), 114 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards), 115 I40E_PF_STAT("tx_dropped", stats.eth.tx_discards), 116 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down), 117 I40E_PF_STAT("crc_errors", stats.crc_errors), 118 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes), 119 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults), 120 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults), 121 I40E_PF_STAT("tx_timeout", tx_timeout_count), 122 I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error), 123 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors), 124 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx), 125 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx), 126 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx), 127 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx), 128 I40E_PF_STAT("rx_size_64", stats.rx_size_64), 129 I40E_PF_STAT("rx_size_127", stats.rx_size_127), 130 I40E_PF_STAT("rx_size_255", stats.rx_size_255), 131 I40E_PF_STAT("rx_size_511", stats.rx_size_511), 132 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023), 133 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522), 134 I40E_PF_STAT("rx_size_big", stats.rx_size_big), 135 I40E_PF_STAT("tx_size_64", stats.tx_size_64), 136 I40E_PF_STAT("tx_size_127", stats.tx_size_127), 137 I40E_PF_STAT("tx_size_255", stats.tx_size_255), 138 I40E_PF_STAT("tx_size_511", stats.tx_size_511), 139 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023), 140 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522), 141 I40E_PF_STAT("tx_size_big", stats.tx_size_big), 142 I40E_PF_STAT("rx_undersize", stats.rx_undersize), 143 I40E_PF_STAT("rx_fragments", stats.rx_fragments), 144 I40E_PF_STAT("rx_oversize", stats.rx_oversize), 145 I40E_PF_STAT("rx_jabber", stats.rx_jabber), 146 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests), 147 I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared), 148 I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match), 149 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match), 150 151 /* LPI stats */ 152 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status), 153 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status), 154 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count), 155 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count), 156 }; 157 158 #ifdef I40E_FCOE 159 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = { 160 I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc), 161 I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped), 162 I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets), 163 I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords), 164 I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count), 165 I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error), 166 I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets), 167 I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords), 168 }; 169 170 #endif /* I40E_FCOE */ 171 #define I40E_QUEUE_STATS_LEN(n) \ 172 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \ 173 * 2 /* Tx and Rx together */ \ 174 * (sizeof(struct i40e_queue_stats) / sizeof(u64))) 175 #define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats) 176 #define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats) 177 #define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats) 178 #ifdef I40E_FCOE 179 #define I40E_FCOE_STATS_LEN ARRAY_SIZE(i40e_gstrings_fcoe_stats) 180 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ 181 I40E_FCOE_STATS_LEN + \ 182 I40E_MISC_STATS_LEN + \ 183 I40E_QUEUE_STATS_LEN((n))) 184 #else 185 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ 186 I40E_MISC_STATS_LEN + \ 187 I40E_QUEUE_STATS_LEN((n))) 188 #endif /* I40E_FCOE */ 189 #define I40E_PFC_STATS_LEN ( \ 190 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \ 191 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \ 192 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \ 193 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \ 194 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \ 195 / sizeof(u64)) 196 #define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats) 197 #define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \ 198 I40E_PFC_STATS_LEN + \ 199 I40E_VSI_STATS_LEN((n))) 200 201 enum i40e_ethtool_test_id { 202 I40E_ETH_TEST_REG = 0, 203 I40E_ETH_TEST_EEPROM, 204 I40E_ETH_TEST_INTR, 205 I40E_ETH_TEST_LOOPBACK, 206 I40E_ETH_TEST_LINK, 207 }; 208 209 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = { 210 "Register test (offline)", 211 "Eeprom test (offline)", 212 "Interrupt test (offline)", 213 "Loopback test (offline)", 214 "Link test (on/offline)" 215 }; 216 217 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN) 218 219 /** 220 * i40e_get_settings - Get Link Speed and Duplex settings 221 * @netdev: network interface device structure 222 * @ecmd: ethtool command 223 * 224 * Reports speed/duplex settings based on media_type 225 **/ 226 static int i40e_get_settings(struct net_device *netdev, 227 struct ethtool_cmd *ecmd) 228 { 229 struct i40e_netdev_priv *np = netdev_priv(netdev); 230 struct i40e_pf *pf = np->vsi->back; 231 struct i40e_hw *hw = &pf->hw; 232 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 233 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 234 u32 link_speed = hw_link_info->link_speed; 235 236 /* hardware is either in 40G mode or 10G mode 237 * NOTE: this section initializes supported and advertising 238 */ 239 if (!link_up) { 240 /* link is down and the driver needs to fall back on 241 * device ID to determine what kinds of info to display, 242 * it's mostly a guess that may change when link is up 243 */ 244 switch (hw->device_id) { 245 case I40E_DEV_ID_QSFP_A: 246 case I40E_DEV_ID_QSFP_B: 247 case I40E_DEV_ID_QSFP_C: 248 /* pluggable QSFP */ 249 ecmd->supported = SUPPORTED_40000baseSR4_Full | 250 SUPPORTED_40000baseCR4_Full | 251 SUPPORTED_40000baseLR4_Full; 252 ecmd->advertising = ADVERTISED_40000baseSR4_Full | 253 ADVERTISED_40000baseCR4_Full | 254 ADVERTISED_40000baseLR4_Full; 255 break; 256 case I40E_DEV_ID_KX_B: 257 /* backplane 40G */ 258 ecmd->supported = SUPPORTED_40000baseKR4_Full; 259 ecmd->advertising = ADVERTISED_40000baseKR4_Full; 260 break; 261 case I40E_DEV_ID_KX_C: 262 /* backplane 10G */ 263 ecmd->supported = SUPPORTED_10000baseKR_Full; 264 ecmd->advertising = ADVERTISED_10000baseKR_Full; 265 break; 266 default: 267 /* all the rest are 10G/1G */ 268 ecmd->supported = SUPPORTED_10000baseT_Full | 269 SUPPORTED_1000baseT_Full; 270 ecmd->advertising = ADVERTISED_10000baseT_Full | 271 ADVERTISED_1000baseT_Full; 272 break; 273 } 274 275 /* skip phy_type use as it is zero when link is down */ 276 goto no_valid_phy_type; 277 } 278 279 switch (hw_link_info->phy_type) { 280 case I40E_PHY_TYPE_40GBASE_CR4: 281 case I40E_PHY_TYPE_40GBASE_CR4_CU: 282 ecmd->supported = SUPPORTED_Autoneg | 283 SUPPORTED_40000baseCR4_Full; 284 ecmd->advertising = ADVERTISED_Autoneg | 285 ADVERTISED_40000baseCR4_Full; 286 break; 287 case I40E_PHY_TYPE_40GBASE_KR4: 288 ecmd->supported = SUPPORTED_Autoneg | 289 SUPPORTED_40000baseKR4_Full; 290 ecmd->advertising = ADVERTISED_Autoneg | 291 ADVERTISED_40000baseKR4_Full; 292 break; 293 case I40E_PHY_TYPE_40GBASE_SR4: 294 case I40E_PHY_TYPE_XLPPI: 295 case I40E_PHY_TYPE_XLAUI: 296 ecmd->supported = SUPPORTED_40000baseSR4_Full; 297 break; 298 case I40E_PHY_TYPE_40GBASE_LR4: 299 ecmd->supported = SUPPORTED_40000baseLR4_Full; 300 break; 301 case I40E_PHY_TYPE_10GBASE_KX4: 302 ecmd->supported = SUPPORTED_Autoneg | 303 SUPPORTED_10000baseKX4_Full; 304 ecmd->advertising = ADVERTISED_Autoneg | 305 ADVERTISED_10000baseKX4_Full; 306 break; 307 case I40E_PHY_TYPE_10GBASE_KR: 308 ecmd->supported = SUPPORTED_Autoneg | 309 SUPPORTED_10000baseKR_Full; 310 ecmd->advertising = ADVERTISED_Autoneg | 311 ADVERTISED_10000baseKR_Full; 312 break; 313 case I40E_PHY_TYPE_10GBASE_SR: 314 case I40E_PHY_TYPE_10GBASE_LR: 315 ecmd->supported = SUPPORTED_10000baseT_Full; 316 break; 317 case I40E_PHY_TYPE_10GBASE_CR1_CU: 318 case I40E_PHY_TYPE_10GBASE_CR1: 319 case I40E_PHY_TYPE_10GBASE_T: 320 ecmd->supported = SUPPORTED_Autoneg | 321 SUPPORTED_10000baseT_Full; 322 ecmd->advertising = ADVERTISED_Autoneg | 323 ADVERTISED_10000baseT_Full; 324 break; 325 case I40E_PHY_TYPE_XAUI: 326 case I40E_PHY_TYPE_XFI: 327 case I40E_PHY_TYPE_SFI: 328 case I40E_PHY_TYPE_10GBASE_SFPP_CU: 329 ecmd->supported = SUPPORTED_10000baseT_Full; 330 break; 331 case I40E_PHY_TYPE_1000BASE_KX: 332 case I40E_PHY_TYPE_1000BASE_T: 333 ecmd->supported = SUPPORTED_Autoneg | 334 SUPPORTED_1000baseT_Full; 335 ecmd->advertising = ADVERTISED_Autoneg | 336 ADVERTISED_1000baseT_Full; 337 break; 338 case I40E_PHY_TYPE_100BASE_TX: 339 ecmd->supported = SUPPORTED_Autoneg | 340 SUPPORTED_100baseT_Full; 341 ecmd->advertising = ADVERTISED_Autoneg | 342 ADVERTISED_100baseT_Full; 343 break; 344 case I40E_PHY_TYPE_SGMII: 345 ecmd->supported = SUPPORTED_Autoneg | 346 SUPPORTED_1000baseT_Full | 347 SUPPORTED_100baseT_Full; 348 ecmd->advertising = ADVERTISED_Autoneg | 349 ADVERTISED_1000baseT_Full | 350 ADVERTISED_100baseT_Full; 351 break; 352 default: 353 /* if we got here and link is up something bad is afoot */ 354 WARN_ON(link_up); 355 } 356 357 no_valid_phy_type: 358 /* this is if autoneg is enabled or disabled */ 359 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 360 AUTONEG_ENABLE : AUTONEG_DISABLE); 361 362 switch (hw->phy.media_type) { 363 case I40E_MEDIA_TYPE_BACKPLANE: 364 ecmd->supported |= SUPPORTED_Autoneg | 365 SUPPORTED_Backplane; 366 ecmd->advertising |= ADVERTISED_Autoneg | 367 ADVERTISED_Backplane; 368 ecmd->port = PORT_NONE; 369 break; 370 case I40E_MEDIA_TYPE_BASET: 371 ecmd->supported |= SUPPORTED_TP; 372 ecmd->advertising |= ADVERTISED_TP; 373 ecmd->port = PORT_TP; 374 break; 375 case I40E_MEDIA_TYPE_DA: 376 case I40E_MEDIA_TYPE_CX4: 377 ecmd->supported |= SUPPORTED_FIBRE; 378 ecmd->advertising |= ADVERTISED_FIBRE; 379 ecmd->port = PORT_DA; 380 break; 381 case I40E_MEDIA_TYPE_FIBER: 382 ecmd->supported |= SUPPORTED_FIBRE; 383 ecmd->port = PORT_FIBRE; 384 break; 385 case I40E_MEDIA_TYPE_UNKNOWN: 386 default: 387 ecmd->port = PORT_OTHER; 388 break; 389 } 390 391 ecmd->transceiver = XCVR_EXTERNAL; 392 393 ecmd->supported |= SUPPORTED_Pause; 394 395 switch (hw->fc.current_mode) { 396 case I40E_FC_FULL: 397 ecmd->advertising |= ADVERTISED_Pause; 398 break; 399 case I40E_FC_TX_PAUSE: 400 ecmd->advertising |= ADVERTISED_Asym_Pause; 401 break; 402 case I40E_FC_RX_PAUSE: 403 ecmd->advertising |= (ADVERTISED_Pause | 404 ADVERTISED_Asym_Pause); 405 break; 406 default: 407 ecmd->advertising &= ~(ADVERTISED_Pause | 408 ADVERTISED_Asym_Pause); 409 break; 410 } 411 412 if (link_up) { 413 switch (link_speed) { 414 case I40E_LINK_SPEED_40GB: 415 /* need a SPEED_40000 in ethtool.h */ 416 ethtool_cmd_speed_set(ecmd, 40000); 417 break; 418 case I40E_LINK_SPEED_10GB: 419 ethtool_cmd_speed_set(ecmd, SPEED_10000); 420 break; 421 case I40E_LINK_SPEED_1GB: 422 ethtool_cmd_speed_set(ecmd, SPEED_1000); 423 break; 424 default: 425 break; 426 } 427 ecmd->duplex = DUPLEX_FULL; 428 } else { 429 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN); 430 ecmd->duplex = DUPLEX_UNKNOWN; 431 } 432 433 return 0; 434 } 435 436 /** 437 * i40e_set_settings - Set Speed and Duplex 438 * @netdev: network interface device structure 439 * @ecmd: ethtool command 440 * 441 * Set speed/duplex per media_types advertised/forced 442 **/ 443 static int i40e_set_settings(struct net_device *netdev, 444 struct ethtool_cmd *ecmd) 445 { 446 struct i40e_netdev_priv *np = netdev_priv(netdev); 447 struct i40e_aq_get_phy_abilities_resp abilities; 448 struct i40e_aq_set_phy_config config; 449 struct i40e_pf *pf = np->vsi->back; 450 struct i40e_vsi *vsi = np->vsi; 451 struct i40e_hw *hw = &pf->hw; 452 struct ethtool_cmd safe_ecmd; 453 i40e_status status = 0; 454 bool change = false; 455 int err = 0; 456 u8 autoneg; 457 u32 advertise; 458 459 if (vsi != pf->vsi[pf->lan_vsi]) 460 return -EOPNOTSUPP; 461 462 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET && 463 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER && 464 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE) 465 return -EOPNOTSUPP; 466 467 /* get our own copy of the bits to check against */ 468 memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd)); 469 i40e_get_settings(netdev, &safe_ecmd); 470 471 /* save autoneg and speed out of ecmd */ 472 autoneg = ecmd->autoneg; 473 advertise = ecmd->advertising; 474 475 /* set autoneg and speed back to what they currently are */ 476 ecmd->autoneg = safe_ecmd.autoneg; 477 ecmd->advertising = safe_ecmd.advertising; 478 479 ecmd->cmd = safe_ecmd.cmd; 480 /* If ecmd and safe_ecmd are not the same now, then they are 481 * trying to set something that we do not support 482 */ 483 if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd))) 484 return -EOPNOTSUPP; 485 486 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state)) 487 usleep_range(1000, 2000); 488 489 /* Get the current phy config */ 490 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities, 491 NULL); 492 if (status) 493 return -EAGAIN; 494 495 /* Copy link_speed and abilities to config in case they are not 496 * set below 497 */ 498 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config)); 499 config.link_speed = abilities.link_speed; 500 config.abilities = abilities.abilities; 501 502 /* Check autoneg */ 503 if (autoneg == AUTONEG_ENABLE) { 504 /* If autoneg is not supported, return error */ 505 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) { 506 netdev_info(netdev, "Autoneg not supported on this phy\n"); 507 return -EINVAL; 508 } 509 /* If autoneg was not already enabled */ 510 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) { 511 config.abilities = abilities.abilities | 512 I40E_AQ_PHY_ENABLE_AN; 513 change = true; 514 } 515 } else { 516 /* If autoneg is supported 10GBASE_T is the only phy that 517 * can disable it, so otherwise return error 518 */ 519 if (safe_ecmd.supported & SUPPORTED_Autoneg && 520 hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) { 521 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 522 return -EINVAL; 523 } 524 /* If autoneg is currently enabled */ 525 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) { 526 config.abilities = abilities.abilities | 527 ~I40E_AQ_PHY_ENABLE_AN; 528 change = true; 529 } 530 } 531 532 if (advertise & ~safe_ecmd.supported) 533 return -EINVAL; 534 535 if (advertise & ADVERTISED_100baseT_Full) 536 if (!(abilities.link_speed & I40E_LINK_SPEED_100MB)) { 537 config.link_speed |= I40E_LINK_SPEED_100MB; 538 change = true; 539 } 540 if (advertise & ADVERTISED_1000baseT_Full || 541 advertise & ADVERTISED_1000baseKX_Full) 542 if (!(abilities.link_speed & I40E_LINK_SPEED_1GB)) { 543 config.link_speed |= I40E_LINK_SPEED_1GB; 544 change = true; 545 } 546 if (advertise & ADVERTISED_10000baseT_Full || 547 advertise & ADVERTISED_10000baseKX4_Full || 548 advertise & ADVERTISED_10000baseKR_Full) 549 if (!(abilities.link_speed & I40E_LINK_SPEED_10GB)) { 550 config.link_speed |= I40E_LINK_SPEED_10GB; 551 change = true; 552 } 553 if (advertise & ADVERTISED_40000baseKR4_Full || 554 advertise & ADVERTISED_40000baseCR4_Full || 555 advertise & ADVERTISED_40000baseSR4_Full || 556 advertise & ADVERTISED_40000baseLR4_Full) 557 if (!(abilities.link_speed & I40E_LINK_SPEED_40GB)) { 558 config.link_speed |= I40E_LINK_SPEED_40GB; 559 change = true; 560 } 561 562 if (change) { 563 /* copy over the rest of the abilities */ 564 config.phy_type = abilities.phy_type; 565 config.eee_capability = abilities.eee_capability; 566 config.eeer = abilities.eeer_val; 567 config.low_power_ctrl = abilities.d3_lpan; 568 569 /* If link is up set link and an so changes take effect */ 570 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) 571 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK; 572 573 /* make the aq call */ 574 status = i40e_aq_set_phy_config(hw, &config, NULL); 575 if (status) { 576 netdev_info(netdev, "Set phy config failed with error %d.\n", 577 status); 578 return -EAGAIN; 579 } 580 581 status = i40e_update_link_info(hw, true); 582 if (status) 583 netdev_info(netdev, "Updating link info failed with error %d\n", 584 status); 585 586 } else { 587 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 588 } 589 590 return err; 591 } 592 593 static int i40e_nway_reset(struct net_device *netdev) 594 { 595 /* restart autonegotiation */ 596 struct i40e_netdev_priv *np = netdev_priv(netdev); 597 struct i40e_pf *pf = np->vsi->back; 598 struct i40e_hw *hw = &pf->hw; 599 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP; 600 i40e_status ret = 0; 601 602 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL); 603 if (ret) { 604 netdev_info(netdev, "link restart failed, aq_err=%d\n", 605 pf->hw.aq.asq_last_status); 606 return -EIO; 607 } 608 609 return 0; 610 } 611 612 /** 613 * i40e_get_pauseparam - Get Flow Control status 614 * Return tx/rx-pause status 615 **/ 616 static void i40e_get_pauseparam(struct net_device *netdev, 617 struct ethtool_pauseparam *pause) 618 { 619 struct i40e_netdev_priv *np = netdev_priv(netdev); 620 struct i40e_pf *pf = np->vsi->back; 621 struct i40e_hw *hw = &pf->hw; 622 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 623 624 pause->autoneg = 625 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 626 AUTONEG_ENABLE : AUTONEG_DISABLE); 627 628 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) { 629 pause->rx_pause = 1; 630 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) { 631 pause->tx_pause = 1; 632 } else if (hw->fc.current_mode == I40E_FC_FULL) { 633 pause->rx_pause = 1; 634 pause->tx_pause = 1; 635 } 636 } 637 638 /** 639 * i40e_set_pauseparam - Set Flow Control parameter 640 * @netdev: network interface device structure 641 * @pause: return tx/rx flow control status 642 **/ 643 static int i40e_set_pauseparam(struct net_device *netdev, 644 struct ethtool_pauseparam *pause) 645 { 646 struct i40e_netdev_priv *np = netdev_priv(netdev); 647 struct i40e_pf *pf = np->vsi->back; 648 struct i40e_vsi *vsi = np->vsi; 649 struct i40e_hw *hw = &pf->hw; 650 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 651 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 652 i40e_status status; 653 u8 aq_failures; 654 int err = 0; 655 656 if (vsi != pf->vsi[pf->lan_vsi]) 657 return -EOPNOTSUPP; 658 659 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 660 AUTONEG_ENABLE : AUTONEG_DISABLE)) { 661 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 662 return -EOPNOTSUPP; 663 } 664 665 /* If we have link and don't have autoneg */ 666 if (!test_bit(__I40E_DOWN, &pf->state) && 667 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) { 668 /* Send message that it might not necessarily work*/ 669 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 670 } 671 672 if (hw->fc.current_mode == I40E_FC_PFC) { 673 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 674 return -EOPNOTSUPP; 675 } 676 677 if (pause->rx_pause && pause->tx_pause) 678 hw->fc.requested_mode = I40E_FC_FULL; 679 else if (pause->rx_pause && !pause->tx_pause) 680 hw->fc.requested_mode = I40E_FC_RX_PAUSE; 681 else if (!pause->rx_pause && pause->tx_pause) 682 hw->fc.requested_mode = I40E_FC_TX_PAUSE; 683 else if (!pause->rx_pause && !pause->tx_pause) 684 hw->fc.requested_mode = I40E_FC_NONE; 685 else 686 return -EINVAL; 687 688 /* Set the fc mode and only restart an if link is up*/ 689 status = i40e_set_fc(hw, &aq_failures, link_up); 690 691 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) { 692 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with error %d and status %d\n", 693 status, hw->aq.asq_last_status); 694 err = -EAGAIN; 695 } 696 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) { 697 netdev_info(netdev, "Set fc failed on the set_phy_config call with error %d and status %d\n", 698 status, hw->aq.asq_last_status); 699 err = -EAGAIN; 700 } 701 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) { 702 netdev_info(netdev, "Set fc failed on the update_link_info call with error %d and status %d\n", 703 status, hw->aq.asq_last_status); 704 err = -EAGAIN; 705 } 706 707 if (!test_bit(__I40E_DOWN, &pf->state)) { 708 /* Give it a little more time to try to come back */ 709 msleep(75); 710 if (!test_bit(__I40E_DOWN, &pf->state)) 711 return i40e_nway_reset(netdev); 712 } 713 714 return err; 715 } 716 717 static u32 i40e_get_msglevel(struct net_device *netdev) 718 { 719 struct i40e_netdev_priv *np = netdev_priv(netdev); 720 struct i40e_pf *pf = np->vsi->back; 721 722 return pf->msg_enable; 723 } 724 725 static void i40e_set_msglevel(struct net_device *netdev, u32 data) 726 { 727 struct i40e_netdev_priv *np = netdev_priv(netdev); 728 struct i40e_pf *pf = np->vsi->back; 729 730 if (I40E_DEBUG_USER & data) 731 pf->hw.debug_mask = data; 732 pf->msg_enable = data; 733 } 734 735 static int i40e_get_regs_len(struct net_device *netdev) 736 { 737 int reg_count = 0; 738 int i; 739 740 for (i = 0; i40e_reg_list[i].offset != 0; i++) 741 reg_count += i40e_reg_list[i].elements; 742 743 return reg_count * sizeof(u32); 744 } 745 746 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs, 747 void *p) 748 { 749 struct i40e_netdev_priv *np = netdev_priv(netdev); 750 struct i40e_pf *pf = np->vsi->back; 751 struct i40e_hw *hw = &pf->hw; 752 u32 *reg_buf = p; 753 int i, j, ri; 754 u32 reg; 755 756 /* Tell ethtool which driver-version-specific regs output we have. 757 * 758 * At some point, if we have ethtool doing special formatting of 759 * this data, it will rely on this version number to know how to 760 * interpret things. Hence, this needs to be updated if/when the 761 * diags register table is changed. 762 */ 763 regs->version = 1; 764 765 /* loop through the diags reg table for what to print */ 766 ri = 0; 767 for (i = 0; i40e_reg_list[i].offset != 0; i++) { 768 for (j = 0; j < i40e_reg_list[i].elements; j++) { 769 reg = i40e_reg_list[i].offset 770 + (j * i40e_reg_list[i].stride); 771 reg_buf[ri++] = rd32(hw, reg); 772 } 773 } 774 775 } 776 777 static int i40e_get_eeprom(struct net_device *netdev, 778 struct ethtool_eeprom *eeprom, u8 *bytes) 779 { 780 struct i40e_netdev_priv *np = netdev_priv(netdev); 781 struct i40e_hw *hw = &np->vsi->back->hw; 782 struct i40e_pf *pf = np->vsi->back; 783 int ret_val = 0, len; 784 u8 *eeprom_buff; 785 u16 i, sectors; 786 bool last; 787 u32 magic; 788 789 #define I40E_NVM_SECTOR_SIZE 4096 790 if (eeprom->len == 0) 791 return -EINVAL; 792 793 /* check for NVMUpdate access method */ 794 magic = hw->vendor_id | (hw->device_id << 16); 795 if (eeprom->magic && eeprom->magic != magic) { 796 int errno; 797 798 /* make sure it is the right magic for NVMUpdate */ 799 if ((eeprom->magic >> 16) != hw->device_id) 800 return -EINVAL; 801 802 ret_val = i40e_nvmupd_command(hw, 803 (struct i40e_nvm_access *)eeprom, 804 bytes, &errno); 805 if (ret_val) 806 dev_info(&pf->pdev->dev, 807 "NVMUpdate read failed err=%d status=0x%x\n", 808 ret_val, hw->aq.asq_last_status); 809 810 return errno; 811 } 812 813 /* normal ethtool get_eeprom support */ 814 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 815 816 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL); 817 if (!eeprom_buff) 818 return -ENOMEM; 819 820 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); 821 if (ret_val) { 822 dev_info(&pf->pdev->dev, 823 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 824 ret_val, hw->aq.asq_last_status); 825 goto free_buff; 826 } 827 828 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE; 829 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0; 830 len = I40E_NVM_SECTOR_SIZE; 831 last = false; 832 for (i = 0; i < sectors; i++) { 833 if (i == (sectors - 1)) { 834 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i); 835 last = true; 836 } 837 ret_val = i40e_aq_read_nvm(hw, 0x0, 838 eeprom->offset + (I40E_NVM_SECTOR_SIZE * i), 839 len, 840 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i), 841 last, NULL); 842 if (ret_val) { 843 dev_info(&pf->pdev->dev, 844 "read NVM failed err=%d status=0x%x\n", 845 ret_val, hw->aq.asq_last_status); 846 goto release_nvm; 847 } 848 } 849 850 release_nvm: 851 i40e_release_nvm(hw); 852 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len); 853 free_buff: 854 kfree(eeprom_buff); 855 return ret_val; 856 } 857 858 static int i40e_get_eeprom_len(struct net_device *netdev) 859 { 860 struct i40e_netdev_priv *np = netdev_priv(netdev); 861 struct i40e_hw *hw = &np->vsi->back->hw; 862 u32 val; 863 864 val = (rd32(hw, I40E_GLPCI_LBARCTRL) 865 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK) 866 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT; 867 /* register returns value in power of 2, 64Kbyte chunks. */ 868 val = (64 * 1024) * (1 << val); 869 return val; 870 } 871 872 static int i40e_set_eeprom(struct net_device *netdev, 873 struct ethtool_eeprom *eeprom, u8 *bytes) 874 { 875 struct i40e_netdev_priv *np = netdev_priv(netdev); 876 struct i40e_hw *hw = &np->vsi->back->hw; 877 struct i40e_pf *pf = np->vsi->back; 878 int ret_val = 0; 879 int errno; 880 u32 magic; 881 882 /* normal ethtool set_eeprom is not supported */ 883 magic = hw->vendor_id | (hw->device_id << 16); 884 if (eeprom->magic == magic) 885 return -EOPNOTSUPP; 886 887 /* check for NVMUpdate access method */ 888 if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id) 889 return -EINVAL; 890 891 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 892 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 893 return -EBUSY; 894 895 ret_val = i40e_nvmupd_command(hw, (struct i40e_nvm_access *)eeprom, 896 bytes, &errno); 897 if (ret_val) 898 dev_info(&pf->pdev->dev, 899 "NVMUpdate write failed err=%d status=0x%x\n", 900 ret_val, hw->aq.asq_last_status); 901 902 return errno; 903 } 904 905 static void i40e_get_drvinfo(struct net_device *netdev, 906 struct ethtool_drvinfo *drvinfo) 907 { 908 struct i40e_netdev_priv *np = netdev_priv(netdev); 909 struct i40e_vsi *vsi = np->vsi; 910 struct i40e_pf *pf = vsi->back; 911 912 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver)); 913 strlcpy(drvinfo->version, i40e_driver_version_str, 914 sizeof(drvinfo->version)); 915 strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw), 916 sizeof(drvinfo->fw_version)); 917 strlcpy(drvinfo->bus_info, pci_name(pf->pdev), 918 sizeof(drvinfo->bus_info)); 919 } 920 921 static void i40e_get_ringparam(struct net_device *netdev, 922 struct ethtool_ringparam *ring) 923 { 924 struct i40e_netdev_priv *np = netdev_priv(netdev); 925 struct i40e_pf *pf = np->vsi->back; 926 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; 927 928 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 929 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 930 ring->rx_mini_max_pending = 0; 931 ring->rx_jumbo_max_pending = 0; 932 ring->rx_pending = vsi->rx_rings[0]->count; 933 ring->tx_pending = vsi->tx_rings[0]->count; 934 ring->rx_mini_pending = 0; 935 ring->rx_jumbo_pending = 0; 936 } 937 938 static int i40e_set_ringparam(struct net_device *netdev, 939 struct ethtool_ringparam *ring) 940 { 941 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL; 942 struct i40e_netdev_priv *np = netdev_priv(netdev); 943 struct i40e_vsi *vsi = np->vsi; 944 struct i40e_pf *pf = vsi->back; 945 u32 new_rx_count, new_tx_count; 946 int i, err = 0; 947 948 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 949 return -EINVAL; 950 951 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS || 952 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS || 953 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS || 954 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) { 955 netdev_info(netdev, 956 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n", 957 ring->tx_pending, ring->rx_pending, 958 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS); 959 return -EINVAL; 960 } 961 962 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 963 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 964 965 /* if nothing to do return success */ 966 if ((new_tx_count == vsi->tx_rings[0]->count) && 967 (new_rx_count == vsi->rx_rings[0]->count)) 968 return 0; 969 970 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state)) 971 usleep_range(1000, 2000); 972 973 if (!netif_running(vsi->netdev)) { 974 /* simple case - set for the next time the netdev is started */ 975 for (i = 0; i < vsi->num_queue_pairs; i++) { 976 vsi->tx_rings[i]->count = new_tx_count; 977 vsi->rx_rings[i]->count = new_rx_count; 978 } 979 goto done; 980 } 981 982 /* We can't just free everything and then setup again, 983 * because the ISRs in MSI-X mode get passed pointers 984 * to the Tx and Rx ring structs. 985 */ 986 987 /* alloc updated Tx resources */ 988 if (new_tx_count != vsi->tx_rings[0]->count) { 989 netdev_info(netdev, 990 "Changing Tx descriptor count from %d to %d.\n", 991 vsi->tx_rings[0]->count, new_tx_count); 992 tx_rings = kcalloc(vsi->alloc_queue_pairs, 993 sizeof(struct i40e_ring), GFP_KERNEL); 994 if (!tx_rings) { 995 err = -ENOMEM; 996 goto done; 997 } 998 999 for (i = 0; i < vsi->num_queue_pairs; i++) { 1000 /* clone ring and setup updated count */ 1001 tx_rings[i] = *vsi->tx_rings[i]; 1002 tx_rings[i].count = new_tx_count; 1003 err = i40e_setup_tx_descriptors(&tx_rings[i]); 1004 if (err) { 1005 while (i) { 1006 i--; 1007 i40e_free_tx_resources(&tx_rings[i]); 1008 } 1009 kfree(tx_rings); 1010 tx_rings = NULL; 1011 1012 goto done; 1013 } 1014 } 1015 } 1016 1017 /* alloc updated Rx resources */ 1018 if (new_rx_count != vsi->rx_rings[0]->count) { 1019 netdev_info(netdev, 1020 "Changing Rx descriptor count from %d to %d\n", 1021 vsi->rx_rings[0]->count, new_rx_count); 1022 rx_rings = kcalloc(vsi->alloc_queue_pairs, 1023 sizeof(struct i40e_ring), GFP_KERNEL); 1024 if (!rx_rings) { 1025 err = -ENOMEM; 1026 goto free_tx; 1027 } 1028 1029 for (i = 0; i < vsi->num_queue_pairs; i++) { 1030 /* clone ring and setup updated count */ 1031 rx_rings[i] = *vsi->rx_rings[i]; 1032 rx_rings[i].count = new_rx_count; 1033 err = i40e_setup_rx_descriptors(&rx_rings[i]); 1034 if (err) { 1035 while (i) { 1036 i--; 1037 i40e_free_rx_resources(&rx_rings[i]); 1038 } 1039 kfree(rx_rings); 1040 rx_rings = NULL; 1041 1042 goto free_tx; 1043 } 1044 } 1045 } 1046 1047 /* Bring interface down, copy in the new ring info, 1048 * then restore the interface 1049 */ 1050 i40e_down(vsi); 1051 1052 if (tx_rings) { 1053 for (i = 0; i < vsi->num_queue_pairs; i++) { 1054 i40e_free_tx_resources(vsi->tx_rings[i]); 1055 *vsi->tx_rings[i] = tx_rings[i]; 1056 } 1057 kfree(tx_rings); 1058 tx_rings = NULL; 1059 } 1060 1061 if (rx_rings) { 1062 for (i = 0; i < vsi->num_queue_pairs; i++) { 1063 i40e_free_rx_resources(vsi->rx_rings[i]); 1064 *vsi->rx_rings[i] = rx_rings[i]; 1065 } 1066 kfree(rx_rings); 1067 rx_rings = NULL; 1068 } 1069 1070 i40e_up(vsi); 1071 1072 free_tx: 1073 /* error cleanup if the Rx allocations failed after getting Tx */ 1074 if (tx_rings) { 1075 for (i = 0; i < vsi->num_queue_pairs; i++) 1076 i40e_free_tx_resources(&tx_rings[i]); 1077 kfree(tx_rings); 1078 tx_rings = NULL; 1079 } 1080 1081 done: 1082 clear_bit(__I40E_CONFIG_BUSY, &pf->state); 1083 1084 return err; 1085 } 1086 1087 static int i40e_get_sset_count(struct net_device *netdev, int sset) 1088 { 1089 struct i40e_netdev_priv *np = netdev_priv(netdev); 1090 struct i40e_vsi *vsi = np->vsi; 1091 struct i40e_pf *pf = vsi->back; 1092 1093 switch (sset) { 1094 case ETH_SS_TEST: 1095 return I40E_TEST_LEN; 1096 case ETH_SS_STATS: 1097 if (vsi == pf->vsi[pf->lan_vsi]) { 1098 int len = I40E_PF_STATS_LEN(netdev); 1099 1100 if (pf->lan_veb != I40E_NO_VEB) 1101 len += I40E_VEB_STATS_LEN; 1102 return len; 1103 } else { 1104 return I40E_VSI_STATS_LEN(netdev); 1105 } 1106 default: 1107 return -EOPNOTSUPP; 1108 } 1109 } 1110 1111 static void i40e_get_ethtool_stats(struct net_device *netdev, 1112 struct ethtool_stats *stats, u64 *data) 1113 { 1114 struct i40e_netdev_priv *np = netdev_priv(netdev); 1115 struct i40e_ring *tx_ring, *rx_ring; 1116 struct i40e_vsi *vsi = np->vsi; 1117 struct i40e_pf *pf = vsi->back; 1118 int i = 0; 1119 char *p; 1120 int j; 1121 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi); 1122 unsigned int start; 1123 1124 i40e_update_stats(vsi); 1125 1126 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) { 1127 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset; 1128 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat == 1129 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1130 } 1131 for (j = 0; j < I40E_MISC_STATS_LEN; j++) { 1132 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset; 1133 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat == 1134 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1135 } 1136 #ifdef I40E_FCOE 1137 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) { 1138 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset; 1139 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat == 1140 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1141 } 1142 #endif 1143 rcu_read_lock(); 1144 for (j = 0; j < vsi->num_queue_pairs; j++) { 1145 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]); 1146 1147 if (!tx_ring) 1148 continue; 1149 1150 /* process Tx ring statistics */ 1151 do { 1152 start = u64_stats_fetch_begin_irq(&tx_ring->syncp); 1153 data[i] = tx_ring->stats.packets; 1154 data[i + 1] = tx_ring->stats.bytes; 1155 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start)); 1156 i += 2; 1157 1158 /* Rx ring is the 2nd half of the queue pair */ 1159 rx_ring = &tx_ring[1]; 1160 do { 1161 start = u64_stats_fetch_begin_irq(&rx_ring->syncp); 1162 data[i] = rx_ring->stats.packets; 1163 data[i + 1] = rx_ring->stats.bytes; 1164 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start)); 1165 i += 2; 1166 } 1167 rcu_read_unlock(); 1168 if (vsi != pf->vsi[pf->lan_vsi]) 1169 return; 1170 1171 if (pf->lan_veb != I40E_NO_VEB) { 1172 struct i40e_veb *veb = pf->veb[pf->lan_veb]; 1173 for (j = 0; j < I40E_VEB_STATS_LEN; j++) { 1174 p = (char *)veb; 1175 p += i40e_gstrings_veb_stats[j].stat_offset; 1176 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat == 1177 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1178 } 1179 } 1180 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) { 1181 p = (char *)pf + i40e_gstrings_stats[j].stat_offset; 1182 data[i++] = (i40e_gstrings_stats[j].sizeof_stat == 1183 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1184 } 1185 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1186 data[i++] = pf->stats.priority_xon_tx[j]; 1187 data[i++] = pf->stats.priority_xoff_tx[j]; 1188 } 1189 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1190 data[i++] = pf->stats.priority_xon_rx[j]; 1191 data[i++] = pf->stats.priority_xoff_rx[j]; 1192 } 1193 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) 1194 data[i++] = pf->stats.priority_xon_2_xoff[j]; 1195 } 1196 1197 static void i40e_get_strings(struct net_device *netdev, u32 stringset, 1198 u8 *data) 1199 { 1200 struct i40e_netdev_priv *np = netdev_priv(netdev); 1201 struct i40e_vsi *vsi = np->vsi; 1202 struct i40e_pf *pf = vsi->back; 1203 char *p = (char *)data; 1204 int i; 1205 1206 switch (stringset) { 1207 case ETH_SS_TEST: 1208 for (i = 0; i < I40E_TEST_LEN; i++) { 1209 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN); 1210 data += ETH_GSTRING_LEN; 1211 } 1212 break; 1213 case ETH_SS_STATS: 1214 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) { 1215 snprintf(p, ETH_GSTRING_LEN, "%s", 1216 i40e_gstrings_net_stats[i].stat_string); 1217 p += ETH_GSTRING_LEN; 1218 } 1219 for (i = 0; i < I40E_MISC_STATS_LEN; i++) { 1220 snprintf(p, ETH_GSTRING_LEN, "%s", 1221 i40e_gstrings_misc_stats[i].stat_string); 1222 p += ETH_GSTRING_LEN; 1223 } 1224 #ifdef I40E_FCOE 1225 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) { 1226 snprintf(p, ETH_GSTRING_LEN, "%s", 1227 i40e_gstrings_fcoe_stats[i].stat_string); 1228 p += ETH_GSTRING_LEN; 1229 } 1230 #endif 1231 for (i = 0; i < vsi->num_queue_pairs; i++) { 1232 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i); 1233 p += ETH_GSTRING_LEN; 1234 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i); 1235 p += ETH_GSTRING_LEN; 1236 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i); 1237 p += ETH_GSTRING_LEN; 1238 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i); 1239 p += ETH_GSTRING_LEN; 1240 } 1241 if (vsi != pf->vsi[pf->lan_vsi]) 1242 return; 1243 1244 if (pf->lan_veb != I40E_NO_VEB) { 1245 for (i = 0; i < I40E_VEB_STATS_LEN; i++) { 1246 snprintf(p, ETH_GSTRING_LEN, "veb.%s", 1247 i40e_gstrings_veb_stats[i].stat_string); 1248 p += ETH_GSTRING_LEN; 1249 } 1250 } 1251 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) { 1252 snprintf(p, ETH_GSTRING_LEN, "port.%s", 1253 i40e_gstrings_stats[i].stat_string); 1254 p += ETH_GSTRING_LEN; 1255 } 1256 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1257 snprintf(p, ETH_GSTRING_LEN, 1258 "port.tx_priority_%u_xon", i); 1259 p += ETH_GSTRING_LEN; 1260 snprintf(p, ETH_GSTRING_LEN, 1261 "port.tx_priority_%u_xoff", i); 1262 p += ETH_GSTRING_LEN; 1263 } 1264 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1265 snprintf(p, ETH_GSTRING_LEN, 1266 "port.rx_priority_%u_xon", i); 1267 p += ETH_GSTRING_LEN; 1268 snprintf(p, ETH_GSTRING_LEN, 1269 "port.rx_priority_%u_xoff", i); 1270 p += ETH_GSTRING_LEN; 1271 } 1272 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1273 snprintf(p, ETH_GSTRING_LEN, 1274 "port.rx_priority_%u_xon_2_xoff", i); 1275 p += ETH_GSTRING_LEN; 1276 } 1277 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */ 1278 break; 1279 } 1280 } 1281 1282 static int i40e_get_ts_info(struct net_device *dev, 1283 struct ethtool_ts_info *info) 1284 { 1285 struct i40e_pf *pf = i40e_netdev_to_pf(dev); 1286 1287 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 1288 SOF_TIMESTAMPING_RX_SOFTWARE | 1289 SOF_TIMESTAMPING_SOFTWARE | 1290 SOF_TIMESTAMPING_TX_HARDWARE | 1291 SOF_TIMESTAMPING_RX_HARDWARE | 1292 SOF_TIMESTAMPING_RAW_HARDWARE; 1293 1294 if (pf->ptp_clock) 1295 info->phc_index = ptp_clock_index(pf->ptp_clock); 1296 else 1297 info->phc_index = -1; 1298 1299 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON); 1300 1301 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | 1302 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) | 1303 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) | 1304 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) | 1305 (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) | 1306 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | 1307 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) | 1308 (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) | 1309 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | 1310 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) | 1311 (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) | 1312 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ); 1313 1314 return 0; 1315 } 1316 1317 static int i40e_link_test(struct net_device *netdev, u64 *data) 1318 { 1319 struct i40e_netdev_priv *np = netdev_priv(netdev); 1320 struct i40e_pf *pf = np->vsi->back; 1321 1322 netif_info(pf, hw, netdev, "link test\n"); 1323 if (i40e_get_link_status(&pf->hw)) 1324 *data = 0; 1325 else 1326 *data = 1; 1327 1328 return *data; 1329 } 1330 1331 static int i40e_reg_test(struct net_device *netdev, u64 *data) 1332 { 1333 struct i40e_netdev_priv *np = netdev_priv(netdev); 1334 struct i40e_pf *pf = np->vsi->back; 1335 1336 netif_info(pf, hw, netdev, "register test\n"); 1337 *data = i40e_diag_reg_test(&pf->hw); 1338 1339 return *data; 1340 } 1341 1342 static int i40e_eeprom_test(struct net_device *netdev, u64 *data) 1343 { 1344 struct i40e_netdev_priv *np = netdev_priv(netdev); 1345 struct i40e_pf *pf = np->vsi->back; 1346 1347 netif_info(pf, hw, netdev, "eeprom test\n"); 1348 *data = i40e_diag_eeprom_test(&pf->hw); 1349 1350 return *data; 1351 } 1352 1353 static int i40e_intr_test(struct net_device *netdev, u64 *data) 1354 { 1355 struct i40e_netdev_priv *np = netdev_priv(netdev); 1356 struct i40e_pf *pf = np->vsi->back; 1357 u16 swc_old = pf->sw_int_count; 1358 1359 netif_info(pf, hw, netdev, "interrupt test\n"); 1360 wr32(&pf->hw, I40E_PFINT_DYN_CTL0, 1361 (I40E_PFINT_DYN_CTL0_INTENA_MASK | 1362 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK)); 1363 usleep_range(1000, 2000); 1364 *data = (swc_old == pf->sw_int_count); 1365 1366 return *data; 1367 } 1368 1369 static int i40e_loopback_test(struct net_device *netdev, u64 *data) 1370 { 1371 struct i40e_netdev_priv *np = netdev_priv(netdev); 1372 struct i40e_pf *pf = np->vsi->back; 1373 1374 netif_info(pf, hw, netdev, "loopback test not implemented\n"); 1375 *data = 0; 1376 1377 return *data; 1378 } 1379 1380 static void i40e_diag_test(struct net_device *netdev, 1381 struct ethtool_test *eth_test, u64 *data) 1382 { 1383 struct i40e_netdev_priv *np = netdev_priv(netdev); 1384 struct i40e_pf *pf = np->vsi->back; 1385 1386 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1387 /* Offline tests */ 1388 netif_info(pf, drv, netdev, "offline testing starting\n"); 1389 1390 set_bit(__I40E_TESTING, &pf->state); 1391 1392 /* Link test performed before hardware reset 1393 * so autoneg doesn't interfere with test result 1394 */ 1395 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1396 eth_test->flags |= ETH_TEST_FL_FAILED; 1397 1398 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM])) 1399 eth_test->flags |= ETH_TEST_FL_FAILED; 1400 1401 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR])) 1402 eth_test->flags |= ETH_TEST_FL_FAILED; 1403 1404 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK])) 1405 eth_test->flags |= ETH_TEST_FL_FAILED; 1406 1407 /* run reg test last, a reset is required after it */ 1408 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG])) 1409 eth_test->flags |= ETH_TEST_FL_FAILED; 1410 1411 clear_bit(__I40E_TESTING, &pf->state); 1412 i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED)); 1413 } else { 1414 /* Online tests */ 1415 netif_info(pf, drv, netdev, "online testing starting\n"); 1416 1417 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1418 eth_test->flags |= ETH_TEST_FL_FAILED; 1419 1420 /* Offline only tests, not run in online; pass by default */ 1421 data[I40E_ETH_TEST_REG] = 0; 1422 data[I40E_ETH_TEST_EEPROM] = 0; 1423 data[I40E_ETH_TEST_INTR] = 0; 1424 data[I40E_ETH_TEST_LOOPBACK] = 0; 1425 } 1426 1427 netif_info(pf, drv, netdev, "testing finished\n"); 1428 } 1429 1430 static void i40e_get_wol(struct net_device *netdev, 1431 struct ethtool_wolinfo *wol) 1432 { 1433 struct i40e_netdev_priv *np = netdev_priv(netdev); 1434 struct i40e_pf *pf = np->vsi->back; 1435 struct i40e_hw *hw = &pf->hw; 1436 u16 wol_nvm_bits; 1437 1438 /* NVM bit on means WoL disabled for the port */ 1439 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1440 if ((1 << hw->port) & wol_nvm_bits) { 1441 wol->supported = 0; 1442 wol->wolopts = 0; 1443 } else { 1444 wol->supported = WAKE_MAGIC; 1445 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0); 1446 } 1447 } 1448 1449 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1450 { 1451 struct i40e_netdev_priv *np = netdev_priv(netdev); 1452 struct i40e_pf *pf = np->vsi->back; 1453 struct i40e_hw *hw = &pf->hw; 1454 u16 wol_nvm_bits; 1455 1456 /* NVM bit on means WoL disabled for the port */ 1457 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1458 if (((1 << hw->port) & wol_nvm_bits)) 1459 return -EOPNOTSUPP; 1460 1461 /* only magic packet is supported */ 1462 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC)) 1463 return -EOPNOTSUPP; 1464 1465 /* is this a new value? */ 1466 if (pf->wol_en != !!wol->wolopts) { 1467 pf->wol_en = !!wol->wolopts; 1468 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en); 1469 } 1470 1471 return 0; 1472 } 1473 1474 static int i40e_set_phys_id(struct net_device *netdev, 1475 enum ethtool_phys_id_state state) 1476 { 1477 struct i40e_netdev_priv *np = netdev_priv(netdev); 1478 struct i40e_pf *pf = np->vsi->back; 1479 struct i40e_hw *hw = &pf->hw; 1480 int blink_freq = 2; 1481 1482 switch (state) { 1483 case ETHTOOL_ID_ACTIVE: 1484 pf->led_status = i40e_led_get(hw); 1485 return blink_freq; 1486 case ETHTOOL_ID_ON: 1487 i40e_led_set(hw, 0xF, false); 1488 break; 1489 case ETHTOOL_ID_OFF: 1490 i40e_led_set(hw, 0x0, false); 1491 break; 1492 case ETHTOOL_ID_INACTIVE: 1493 i40e_led_set(hw, pf->led_status, false); 1494 break; 1495 } 1496 1497 return 0; 1498 } 1499 1500 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt 1501 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also 1502 * 125us (8000 interrupts per second) == ITR(62) 1503 */ 1504 1505 static int i40e_get_coalesce(struct net_device *netdev, 1506 struct ethtool_coalesce *ec) 1507 { 1508 struct i40e_netdev_priv *np = netdev_priv(netdev); 1509 struct i40e_vsi *vsi = np->vsi; 1510 1511 ec->tx_max_coalesced_frames_irq = vsi->work_limit; 1512 ec->rx_max_coalesced_frames_irq = vsi->work_limit; 1513 1514 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting)) 1515 ec->use_adaptive_rx_coalesce = 1; 1516 1517 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting)) 1518 ec->use_adaptive_tx_coalesce = 1; 1519 1520 ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC; 1521 ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC; 1522 1523 return 0; 1524 } 1525 1526 static int i40e_set_coalesce(struct net_device *netdev, 1527 struct ethtool_coalesce *ec) 1528 { 1529 struct i40e_netdev_priv *np = netdev_priv(netdev); 1530 struct i40e_q_vector *q_vector; 1531 struct i40e_vsi *vsi = np->vsi; 1532 struct i40e_pf *pf = vsi->back; 1533 struct i40e_hw *hw = &pf->hw; 1534 u16 vector; 1535 int i; 1536 1537 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) 1538 vsi->work_limit = ec->tx_max_coalesced_frames_irq; 1539 1540 vector = vsi->base_vector; 1541 if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1542 (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1543 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1544 } else if (ec->rx_coalesce_usecs == 0) { 1545 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1546 i40e_irq_dynamic_disable(vsi, vector); 1547 if (ec->use_adaptive_rx_coalesce) 1548 netif_info(pf, drv, netdev, 1549 "Rx-secs=0, need to disable adaptive-Rx for a complete disable\n"); 1550 } else { 1551 netif_info(pf, drv, netdev, 1552 "Invalid value, Rx-usecs range is 0, 8-8160\n"); 1553 return -EINVAL; 1554 } 1555 1556 if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1557 (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1558 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1559 } else if (ec->tx_coalesce_usecs == 0) { 1560 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1561 i40e_irq_dynamic_disable(vsi, vector); 1562 if (ec->use_adaptive_tx_coalesce) 1563 netif_info(pf, drv, netdev, 1564 "Tx-secs=0, need to disable adaptive-Tx for a complete disable\n"); 1565 } else { 1566 netif_info(pf, drv, netdev, 1567 "Invalid value, Tx-usecs range is 0, 8-8160\n"); 1568 return -EINVAL; 1569 } 1570 1571 if (ec->use_adaptive_rx_coalesce) 1572 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC; 1573 else 1574 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC; 1575 1576 if (ec->use_adaptive_tx_coalesce) 1577 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC; 1578 else 1579 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC; 1580 1581 for (i = 0; i < vsi->num_q_vectors; i++, vector++) { 1582 q_vector = vsi->q_vectors[i]; 1583 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting); 1584 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr); 1585 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting); 1586 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr); 1587 i40e_flush(hw); 1588 } 1589 1590 return 0; 1591 } 1592 1593 /** 1594 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type 1595 * @pf: pointer to the physical function struct 1596 * @cmd: ethtool rxnfc command 1597 * 1598 * Returns Success if the flow is supported, else Invalid Input. 1599 **/ 1600 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd) 1601 { 1602 cmd->data = 0; 1603 1604 /* Report default options for RSS on i40e */ 1605 switch (cmd->flow_type) { 1606 case TCP_V4_FLOW: 1607 case UDP_V4_FLOW: 1608 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1609 /* fall through to add IP fields */ 1610 case SCTP_V4_FLOW: 1611 case AH_ESP_V4_FLOW: 1612 case AH_V4_FLOW: 1613 case ESP_V4_FLOW: 1614 case IPV4_FLOW: 1615 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1616 break; 1617 case TCP_V6_FLOW: 1618 case UDP_V6_FLOW: 1619 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1620 /* fall through to add IP fields */ 1621 case SCTP_V6_FLOW: 1622 case AH_ESP_V6_FLOW: 1623 case AH_V6_FLOW: 1624 case ESP_V6_FLOW: 1625 case IPV6_FLOW: 1626 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1627 break; 1628 default: 1629 return -EINVAL; 1630 } 1631 1632 return 0; 1633 } 1634 1635 /** 1636 * i40e_get_ethtool_fdir_all - Populates the rule count of a command 1637 * @pf: Pointer to the physical function struct 1638 * @cmd: The command to get or set Rx flow classification rules 1639 * @rule_locs: Array of used rule locations 1640 * 1641 * This function populates both the total and actual rule count of 1642 * the ethtool flow classification command 1643 * 1644 * Returns 0 on success or -EMSGSIZE if entry not found 1645 **/ 1646 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf, 1647 struct ethtool_rxnfc *cmd, 1648 u32 *rule_locs) 1649 { 1650 struct i40e_fdir_filter *rule; 1651 struct hlist_node *node2; 1652 int cnt = 0; 1653 1654 /* report total rule count */ 1655 cmd->data = i40e_get_fd_cnt_all(pf); 1656 1657 hlist_for_each_entry_safe(rule, node2, 1658 &pf->fdir_filter_list, fdir_node) { 1659 if (cnt == cmd->rule_cnt) 1660 return -EMSGSIZE; 1661 1662 rule_locs[cnt] = rule->fd_id; 1663 cnt++; 1664 } 1665 1666 cmd->rule_cnt = cnt; 1667 1668 return 0; 1669 } 1670 1671 /** 1672 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow 1673 * @pf: Pointer to the physical function struct 1674 * @cmd: The command to get or set Rx flow classification rules 1675 * 1676 * This function looks up a filter based on the Rx flow classification 1677 * command and fills the flow spec info for it if found 1678 * 1679 * Returns 0 on success or -EINVAL if filter not found 1680 **/ 1681 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf, 1682 struct ethtool_rxnfc *cmd) 1683 { 1684 struct ethtool_rx_flow_spec *fsp = 1685 (struct ethtool_rx_flow_spec *)&cmd->fs; 1686 struct i40e_fdir_filter *rule = NULL; 1687 struct hlist_node *node2; 1688 1689 hlist_for_each_entry_safe(rule, node2, 1690 &pf->fdir_filter_list, fdir_node) { 1691 if (fsp->location <= rule->fd_id) 1692 break; 1693 } 1694 1695 if (!rule || fsp->location != rule->fd_id) 1696 return -EINVAL; 1697 1698 fsp->flow_type = rule->flow_type; 1699 if (fsp->flow_type == IP_USER_FLOW) { 1700 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; 1701 fsp->h_u.usr_ip4_spec.proto = 0; 1702 fsp->m_u.usr_ip4_spec.proto = 0; 1703 } 1704 1705 /* Reverse the src and dest notion, since the HW views them from 1706 * Tx perspective where as the user expects it from Rx filter view. 1707 */ 1708 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port; 1709 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port; 1710 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0]; 1711 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0]; 1712 1713 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET) 1714 fsp->ring_cookie = RX_CLS_FLOW_DISC; 1715 else 1716 fsp->ring_cookie = rule->q_index; 1717 1718 return 0; 1719 } 1720 1721 /** 1722 * i40e_get_rxnfc - command to get RX flow classification rules 1723 * @netdev: network interface device structure 1724 * @cmd: ethtool rxnfc command 1725 * 1726 * Returns Success if the command is supported. 1727 **/ 1728 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 1729 u32 *rule_locs) 1730 { 1731 struct i40e_netdev_priv *np = netdev_priv(netdev); 1732 struct i40e_vsi *vsi = np->vsi; 1733 struct i40e_pf *pf = vsi->back; 1734 int ret = -EOPNOTSUPP; 1735 1736 switch (cmd->cmd) { 1737 case ETHTOOL_GRXRINGS: 1738 cmd->data = vsi->alloc_queue_pairs; 1739 ret = 0; 1740 break; 1741 case ETHTOOL_GRXFH: 1742 ret = i40e_get_rss_hash_opts(pf, cmd); 1743 break; 1744 case ETHTOOL_GRXCLSRLCNT: 1745 cmd->rule_cnt = pf->fdir_pf_active_filters; 1746 /* report total rule count */ 1747 cmd->data = i40e_get_fd_cnt_all(pf); 1748 ret = 0; 1749 break; 1750 case ETHTOOL_GRXCLSRULE: 1751 ret = i40e_get_ethtool_fdir_entry(pf, cmd); 1752 break; 1753 case ETHTOOL_GRXCLSRLALL: 1754 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs); 1755 break; 1756 default: 1757 break; 1758 } 1759 1760 return ret; 1761 } 1762 1763 /** 1764 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash 1765 * @pf: pointer to the physical function struct 1766 * @cmd: ethtool rxnfc command 1767 * 1768 * Returns Success if the flow input set is supported. 1769 **/ 1770 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc) 1771 { 1772 struct i40e_hw *hw = &pf->hw; 1773 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) | 1774 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32); 1775 1776 /* RSS does not support anything other than hashing 1777 * to queues on src and dst IPs and ports 1778 */ 1779 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | 1780 RXH_L4_B_0_1 | RXH_L4_B_2_3)) 1781 return -EINVAL; 1782 1783 /* We need at least the IP SRC and DEST fields for hashing */ 1784 if (!(nfc->data & RXH_IP_SRC) || 1785 !(nfc->data & RXH_IP_DST)) 1786 return -EINVAL; 1787 1788 switch (nfc->flow_type) { 1789 case TCP_V4_FLOW: 1790 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1791 case 0: 1792 hena &= ~((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 1793 break; 1794 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 1795 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 1796 break; 1797 default: 1798 return -EINVAL; 1799 } 1800 break; 1801 case TCP_V6_FLOW: 1802 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1803 case 0: 1804 hena &= ~((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 1805 break; 1806 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 1807 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 1808 break; 1809 default: 1810 return -EINVAL; 1811 } 1812 break; 1813 case UDP_V4_FLOW: 1814 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1815 case 0: 1816 hena &= ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 1817 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4)); 1818 break; 1819 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 1820 hena |= (((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 1821 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4)); 1822 break; 1823 default: 1824 return -EINVAL; 1825 } 1826 break; 1827 case UDP_V6_FLOW: 1828 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1829 case 0: 1830 hena &= ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 1831 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6)); 1832 break; 1833 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 1834 hena |= (((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 1835 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6)); 1836 break; 1837 default: 1838 return -EINVAL; 1839 } 1840 break; 1841 case AH_ESP_V4_FLOW: 1842 case AH_V4_FLOW: 1843 case ESP_V4_FLOW: 1844 case SCTP_V4_FLOW: 1845 if ((nfc->data & RXH_L4_B_0_1) || 1846 (nfc->data & RXH_L4_B_2_3)) 1847 return -EINVAL; 1848 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER); 1849 break; 1850 case AH_ESP_V6_FLOW: 1851 case AH_V6_FLOW: 1852 case ESP_V6_FLOW: 1853 case SCTP_V6_FLOW: 1854 if ((nfc->data & RXH_L4_B_0_1) || 1855 (nfc->data & RXH_L4_B_2_3)) 1856 return -EINVAL; 1857 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER); 1858 break; 1859 case IPV4_FLOW: 1860 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) | 1861 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4); 1862 break; 1863 case IPV6_FLOW: 1864 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) | 1865 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6); 1866 break; 1867 default: 1868 return -EINVAL; 1869 } 1870 1871 wr32(hw, I40E_PFQF_HENA(0), (u32)hena); 1872 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32)); 1873 i40e_flush(hw); 1874 1875 return 0; 1876 } 1877 1878 /** 1879 * i40e_match_fdir_input_set - Match a new filter against an existing one 1880 * @rule: The filter already added 1881 * @input: The new filter to comapre against 1882 * 1883 * Returns true if the two input set match 1884 **/ 1885 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule, 1886 struct i40e_fdir_filter *input) 1887 { 1888 if ((rule->dst_ip[0] != input->dst_ip[0]) || 1889 (rule->src_ip[0] != input->src_ip[0]) || 1890 (rule->dst_port != input->dst_port) || 1891 (rule->src_port != input->src_port)) 1892 return false; 1893 return true; 1894 } 1895 1896 /** 1897 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry 1898 * @vsi: Pointer to the targeted VSI 1899 * @input: The filter to update or NULL to indicate deletion 1900 * @sw_idx: Software index to the filter 1901 * @cmd: The command to get or set Rx flow classification rules 1902 * 1903 * This function updates (or deletes) a Flow Director entry from 1904 * the hlist of the corresponding PF 1905 * 1906 * Returns 0 on success 1907 **/ 1908 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi, 1909 struct i40e_fdir_filter *input, 1910 u16 sw_idx, 1911 struct ethtool_rxnfc *cmd) 1912 { 1913 struct i40e_fdir_filter *rule, *parent; 1914 struct i40e_pf *pf = vsi->back; 1915 struct hlist_node *node2; 1916 int err = -EINVAL; 1917 1918 parent = NULL; 1919 rule = NULL; 1920 1921 hlist_for_each_entry_safe(rule, node2, 1922 &pf->fdir_filter_list, fdir_node) { 1923 /* hash found, or no matching entry */ 1924 if (rule->fd_id >= sw_idx) 1925 break; 1926 parent = rule; 1927 } 1928 1929 /* if there is an old rule occupying our place remove it */ 1930 if (rule && (rule->fd_id == sw_idx)) { 1931 if (input && !i40e_match_fdir_input_set(rule, input)) 1932 err = i40e_add_del_fdir(vsi, rule, false); 1933 else if (!input) 1934 err = i40e_add_del_fdir(vsi, rule, false); 1935 hlist_del(&rule->fdir_node); 1936 kfree(rule); 1937 pf->fdir_pf_active_filters--; 1938 } 1939 1940 /* If no input this was a delete, err should be 0 if a rule was 1941 * successfully found and removed from the list else -EINVAL 1942 */ 1943 if (!input) 1944 return err; 1945 1946 /* initialize node and set software index */ 1947 INIT_HLIST_NODE(&input->fdir_node); 1948 1949 /* add filter to the list */ 1950 if (parent) 1951 hlist_add_behind(&input->fdir_node, &parent->fdir_node); 1952 else 1953 hlist_add_head(&input->fdir_node, 1954 &pf->fdir_filter_list); 1955 1956 /* update counts */ 1957 pf->fdir_pf_active_filters++; 1958 1959 return 0; 1960 } 1961 1962 /** 1963 * i40e_del_fdir_entry - Deletes a Flow Director filter entry 1964 * @vsi: Pointer to the targeted VSI 1965 * @cmd: The command to get or set Rx flow classification rules 1966 * 1967 * The function removes a Flow Director filter entry from the 1968 * hlist of the corresponding PF 1969 * 1970 * Returns 0 on success 1971 */ 1972 static int i40e_del_fdir_entry(struct i40e_vsi *vsi, 1973 struct ethtool_rxnfc *cmd) 1974 { 1975 struct ethtool_rx_flow_spec *fsp = 1976 (struct ethtool_rx_flow_spec *)&cmd->fs; 1977 struct i40e_pf *pf = vsi->back; 1978 int ret = 0; 1979 1980 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd); 1981 1982 i40e_fdir_check_and_reenable(pf); 1983 return ret; 1984 } 1985 1986 /** 1987 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters 1988 * @vsi: pointer to the targeted VSI 1989 * @cmd: command to get or set RX flow classification rules 1990 * 1991 * Add Flow Director filters for a specific flow spec based on their 1992 * protocol. Returns 0 if the filters were successfully added. 1993 **/ 1994 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, 1995 struct ethtool_rxnfc *cmd) 1996 { 1997 struct ethtool_rx_flow_spec *fsp; 1998 struct i40e_fdir_filter *input; 1999 struct i40e_pf *pf; 2000 int ret = -EINVAL; 2001 2002 if (!vsi) 2003 return -EINVAL; 2004 2005 pf = vsi->back; 2006 2007 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 2008 return -EOPNOTSUPP; 2009 2010 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED) 2011 return -ENOSPC; 2012 2013 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs; 2014 2015 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort + 2016 pf->hw.func_caps.fd_filters_guaranteed)) { 2017 return -EINVAL; 2018 } 2019 2020 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) && 2021 (fsp->ring_cookie >= vsi->num_queue_pairs)) 2022 return -EINVAL; 2023 2024 input = kzalloc(sizeof(*input), GFP_KERNEL); 2025 2026 if (!input) 2027 return -ENOMEM; 2028 2029 input->fd_id = fsp->location; 2030 2031 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) 2032 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET; 2033 else 2034 input->dest_ctl = 2035 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX; 2036 2037 input->q_index = fsp->ring_cookie; 2038 input->flex_off = 0; 2039 input->pctype = 0; 2040 input->dest_vsi = vsi->id; 2041 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID; 2042 input->cnt_index = pf->fd_sb_cnt_idx; 2043 input->flow_type = fsp->flow_type; 2044 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto; 2045 2046 /* Reverse the src and dest notion, since the HW expects them to be from 2047 * Tx perspective where as the input from user is from Rx filter view. 2048 */ 2049 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc; 2050 input->src_port = fsp->h_u.tcp_ip4_spec.pdst; 2051 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src; 2052 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst; 2053 2054 ret = i40e_add_del_fdir(vsi, input, true); 2055 if (ret) 2056 kfree(input); 2057 else 2058 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL); 2059 2060 return ret; 2061 } 2062 2063 /** 2064 * i40e_set_rxnfc - command to set RX flow classification rules 2065 * @netdev: network interface device structure 2066 * @cmd: ethtool rxnfc command 2067 * 2068 * Returns Success if the command is supported. 2069 **/ 2070 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2071 { 2072 struct i40e_netdev_priv *np = netdev_priv(netdev); 2073 struct i40e_vsi *vsi = np->vsi; 2074 struct i40e_pf *pf = vsi->back; 2075 int ret = -EOPNOTSUPP; 2076 2077 switch (cmd->cmd) { 2078 case ETHTOOL_SRXFH: 2079 ret = i40e_set_rss_hash_opt(pf, cmd); 2080 break; 2081 case ETHTOOL_SRXCLSRLINS: 2082 ret = i40e_add_fdir_ethtool(vsi, cmd); 2083 break; 2084 case ETHTOOL_SRXCLSRLDEL: 2085 ret = i40e_del_fdir_entry(vsi, cmd); 2086 break; 2087 default: 2088 break; 2089 } 2090 2091 return ret; 2092 } 2093 2094 /** 2095 * i40e_max_channels - get Max number of combined channels supported 2096 * @vsi: vsi pointer 2097 **/ 2098 static unsigned int i40e_max_channels(struct i40e_vsi *vsi) 2099 { 2100 /* TODO: This code assumes DCB and FD is disabled for now. */ 2101 return vsi->alloc_queue_pairs; 2102 } 2103 2104 /** 2105 * i40e_get_channels - Get the current channels enabled and max supported etc. 2106 * @netdev: network interface device structure 2107 * @ch: ethtool channels structure 2108 * 2109 * We don't support separate tx and rx queues as channels. The other count 2110 * represents how many queues are being used for control. max_combined counts 2111 * how many queue pairs we can support. They may not be mapped 1 to 1 with 2112 * q_vectors since we support a lot more queue pairs than q_vectors. 2113 **/ 2114 static void i40e_get_channels(struct net_device *dev, 2115 struct ethtool_channels *ch) 2116 { 2117 struct i40e_netdev_priv *np = netdev_priv(dev); 2118 struct i40e_vsi *vsi = np->vsi; 2119 struct i40e_pf *pf = vsi->back; 2120 2121 /* report maximum channels */ 2122 ch->max_combined = i40e_max_channels(vsi); 2123 2124 /* report info for other vector */ 2125 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0; 2126 ch->max_other = ch->other_count; 2127 2128 /* Note: This code assumes DCB is disabled for now. */ 2129 ch->combined_count = vsi->num_queue_pairs; 2130 } 2131 2132 /** 2133 * i40e_set_channels - Set the new channels count. 2134 * @netdev: network interface device structure 2135 * @ch: ethtool channels structure 2136 * 2137 * The new channels count may not be the same as requested by the user 2138 * since it gets rounded down to a power of 2 value. 2139 **/ 2140 static int i40e_set_channels(struct net_device *dev, 2141 struct ethtool_channels *ch) 2142 { 2143 struct i40e_netdev_priv *np = netdev_priv(dev); 2144 unsigned int count = ch->combined_count; 2145 struct i40e_vsi *vsi = np->vsi; 2146 struct i40e_pf *pf = vsi->back; 2147 int new_count; 2148 2149 /* We do not support setting channels for any other VSI at present */ 2150 if (vsi->type != I40E_VSI_MAIN) 2151 return -EINVAL; 2152 2153 /* verify they are not requesting separate vectors */ 2154 if (!count || ch->rx_count || ch->tx_count) 2155 return -EINVAL; 2156 2157 /* verify other_count has not changed */ 2158 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0)) 2159 return -EINVAL; 2160 2161 /* verify the number of channels does not exceed hardware limits */ 2162 if (count > i40e_max_channels(vsi)) 2163 return -EINVAL; 2164 2165 /* update feature limits from largest to smallest supported values */ 2166 /* TODO: Flow director limit, DCB etc */ 2167 2168 /* cap RSS limit */ 2169 if (count > pf->rss_size_max) 2170 count = pf->rss_size_max; 2171 2172 /* use rss_reconfig to rebuild with new queue count and update traffic 2173 * class queue mapping 2174 */ 2175 new_count = i40e_reconfig_rss_queues(pf, count); 2176 if (new_count > 0) 2177 return 0; 2178 else 2179 return -EINVAL; 2180 } 2181 2182 static const struct ethtool_ops i40e_ethtool_ops = { 2183 .get_settings = i40e_get_settings, 2184 .set_settings = i40e_set_settings, 2185 .get_drvinfo = i40e_get_drvinfo, 2186 .get_regs_len = i40e_get_regs_len, 2187 .get_regs = i40e_get_regs, 2188 .nway_reset = i40e_nway_reset, 2189 .get_link = ethtool_op_get_link, 2190 .get_wol = i40e_get_wol, 2191 .set_wol = i40e_set_wol, 2192 .set_eeprom = i40e_set_eeprom, 2193 .get_eeprom_len = i40e_get_eeprom_len, 2194 .get_eeprom = i40e_get_eeprom, 2195 .get_ringparam = i40e_get_ringparam, 2196 .set_ringparam = i40e_set_ringparam, 2197 .get_pauseparam = i40e_get_pauseparam, 2198 .set_pauseparam = i40e_set_pauseparam, 2199 .get_msglevel = i40e_get_msglevel, 2200 .set_msglevel = i40e_set_msglevel, 2201 .get_rxnfc = i40e_get_rxnfc, 2202 .set_rxnfc = i40e_set_rxnfc, 2203 .self_test = i40e_diag_test, 2204 .get_strings = i40e_get_strings, 2205 .set_phys_id = i40e_set_phys_id, 2206 .get_sset_count = i40e_get_sset_count, 2207 .get_ethtool_stats = i40e_get_ethtool_stats, 2208 .get_coalesce = i40e_get_coalesce, 2209 .set_coalesce = i40e_set_coalesce, 2210 .get_channels = i40e_get_channels, 2211 .set_channels = i40e_set_channels, 2212 .get_ts_info = i40e_get_ts_info, 2213 }; 2214 2215 void i40e_set_ethtool_ops(struct net_device *netdev) 2216 { 2217 netdev->ethtool_ops = &i40e_ethtool_ops; 2218 } 2219