1 /******************************************************************************* 2 * 3 * Intel Ethernet Controller XL710 Family Linux Driver 4 * Copyright(c) 2013 - 2015 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 44 #define I40E_NETDEV_STAT(_net_stat) \ 45 I40E_STAT(struct rtnl_link_stats64, #_net_stat, _net_stat) 46 #define I40E_PF_STAT(_name, _stat) \ 47 I40E_STAT(struct i40e_pf, _name, _stat) 48 #define I40E_VSI_STAT(_name, _stat) \ 49 I40E_STAT(struct i40e_vsi, _name, _stat) 50 #define I40E_VEB_STAT(_name, _stat) \ 51 I40E_STAT(struct i40e_veb, _name, _stat) 52 53 static const struct i40e_stats i40e_gstrings_net_stats[] = { 54 I40E_NETDEV_STAT(rx_packets), 55 I40E_NETDEV_STAT(tx_packets), 56 I40E_NETDEV_STAT(rx_bytes), 57 I40E_NETDEV_STAT(tx_bytes), 58 I40E_NETDEV_STAT(rx_errors), 59 I40E_NETDEV_STAT(tx_errors), 60 I40E_NETDEV_STAT(rx_dropped), 61 I40E_NETDEV_STAT(tx_dropped), 62 I40E_NETDEV_STAT(collisions), 63 I40E_NETDEV_STAT(rx_length_errors), 64 I40E_NETDEV_STAT(rx_crc_errors), 65 }; 66 67 static const struct i40e_stats i40e_gstrings_veb_stats[] = { 68 I40E_VEB_STAT("rx_bytes", stats.rx_bytes), 69 I40E_VEB_STAT("tx_bytes", stats.tx_bytes), 70 I40E_VEB_STAT("rx_unicast", stats.rx_unicast), 71 I40E_VEB_STAT("tx_unicast", stats.tx_unicast), 72 I40E_VEB_STAT("rx_multicast", stats.rx_multicast), 73 I40E_VEB_STAT("tx_multicast", stats.tx_multicast), 74 I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast), 75 I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast), 76 I40E_VEB_STAT("rx_discards", stats.rx_discards), 77 I40E_VEB_STAT("tx_discards", stats.tx_discards), 78 I40E_VEB_STAT("tx_errors", stats.tx_errors), 79 I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol), 80 }; 81 82 static const struct i40e_stats i40e_gstrings_misc_stats[] = { 83 I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 84 I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 85 I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 86 I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 87 I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 88 I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 89 I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 90 }; 91 92 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, 93 struct ethtool_rxnfc *cmd); 94 95 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 96 * but they are separate. This device supports Virtualization, and 97 * as such might have several netdevs supporting VMDq and FCoE going 98 * through a single port. The NETDEV_STATs are for individual netdevs 99 * seen at the top of the stack, and the PF_STATs are for the physical 100 * function at the bottom of the stack hosting those netdevs. 101 * 102 * The PF_STATs are appended to the netdev stats only when ethtool -S 103 * is queried on the base PF netdev, not on the VMDq or FCoE netdev. 104 */ 105 static struct i40e_stats i40e_gstrings_stats[] = { 106 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes), 107 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes), 108 I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast), 109 I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast), 110 I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast), 111 I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast), 112 I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast), 113 I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast), 114 I40E_PF_STAT("tx_errors", stats.eth.tx_errors), 115 I40E_PF_STAT("rx_dropped", stats.eth.rx_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_flush_cnt", fd_flush_cnt), 149 I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match), 150 I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match), 151 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match), 152 153 /* LPI stats */ 154 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status), 155 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status), 156 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count), 157 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count), 158 }; 159 160 #ifdef I40E_FCOE 161 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = { 162 I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc), 163 I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped), 164 I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets), 165 I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords), 166 I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count), 167 I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error), 168 I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets), 169 I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords), 170 }; 171 172 #endif /* I40E_FCOE */ 173 #define I40E_QUEUE_STATS_LEN(n) \ 174 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \ 175 * 2 /* Tx and Rx together */ \ 176 * (sizeof(struct i40e_queue_stats) / sizeof(u64))) 177 #define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats) 178 #define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats) 179 #define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats) 180 #ifdef I40E_FCOE 181 #define I40E_FCOE_STATS_LEN ARRAY_SIZE(i40e_gstrings_fcoe_stats) 182 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ 183 I40E_FCOE_STATS_LEN + \ 184 I40E_MISC_STATS_LEN + \ 185 I40E_QUEUE_STATS_LEN((n))) 186 #else 187 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ 188 I40E_MISC_STATS_LEN + \ 189 I40E_QUEUE_STATS_LEN((n))) 190 #endif /* I40E_FCOE */ 191 #define I40E_PFC_STATS_LEN ( \ 192 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \ 193 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \ 194 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \ 195 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \ 196 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \ 197 / sizeof(u64)) 198 #define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats) 199 #define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \ 200 I40E_PFC_STATS_LEN + \ 201 I40E_VSI_STATS_LEN((n))) 202 203 enum i40e_ethtool_test_id { 204 I40E_ETH_TEST_REG = 0, 205 I40E_ETH_TEST_EEPROM, 206 I40E_ETH_TEST_INTR, 207 I40E_ETH_TEST_LOOPBACK, 208 I40E_ETH_TEST_LINK, 209 }; 210 211 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = { 212 "Register test (offline)", 213 "Eeprom test (offline)", 214 "Interrupt test (offline)", 215 "Loopback test (offline)", 216 "Link test (on/offline)" 217 }; 218 219 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN) 220 221 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = { 222 "NPAR", 223 }; 224 225 #define I40E_PRIV_FLAGS_STR_LEN \ 226 (sizeof(i40e_priv_flags_strings) / ETH_GSTRING_LEN) 227 228 /** 229 * i40e_partition_setting_complaint - generic complaint for MFP restriction 230 * @pf: the PF struct 231 **/ 232 static void i40e_partition_setting_complaint(struct i40e_pf *pf) 233 { 234 dev_info(&pf->pdev->dev, 235 "The link settings are allowed to be changed only from the first partition of a given port. Please switch to the first partition in order to change the setting.\n"); 236 } 237 238 /** 239 * i40e_get_settings_link_up - Get the Link settings for when link is up 240 * @hw: hw structure 241 * @ecmd: ethtool command to fill in 242 * @netdev: network interface device structure 243 * 244 **/ 245 static void i40e_get_settings_link_up(struct i40e_hw *hw, 246 struct ethtool_cmd *ecmd, 247 struct net_device *netdev) 248 { 249 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 250 u32 link_speed = hw_link_info->link_speed; 251 252 /* Initialize supported and advertised settings based on phy settings */ 253 switch (hw_link_info->phy_type) { 254 case I40E_PHY_TYPE_40GBASE_CR4: 255 case I40E_PHY_TYPE_40GBASE_CR4_CU: 256 ecmd->supported = SUPPORTED_Autoneg | 257 SUPPORTED_40000baseCR4_Full; 258 ecmd->advertising = ADVERTISED_Autoneg | 259 ADVERTISED_40000baseCR4_Full; 260 break; 261 case I40E_PHY_TYPE_XLAUI: 262 case I40E_PHY_TYPE_XLPPI: 263 case I40E_PHY_TYPE_40GBASE_AOC: 264 ecmd->supported = SUPPORTED_40000baseCR4_Full; 265 break; 266 case I40E_PHY_TYPE_40GBASE_KR4: 267 ecmd->supported = SUPPORTED_Autoneg | 268 SUPPORTED_40000baseKR4_Full; 269 ecmd->advertising = ADVERTISED_Autoneg | 270 ADVERTISED_40000baseKR4_Full; 271 break; 272 case I40E_PHY_TYPE_40GBASE_SR4: 273 ecmd->supported = SUPPORTED_40000baseSR4_Full; 274 break; 275 case I40E_PHY_TYPE_40GBASE_LR4: 276 ecmd->supported = SUPPORTED_40000baseLR4_Full; 277 break; 278 case I40E_PHY_TYPE_20GBASE_KR2: 279 ecmd->supported = SUPPORTED_Autoneg | 280 SUPPORTED_20000baseKR2_Full; 281 ecmd->advertising = ADVERTISED_Autoneg | 282 ADVERTISED_20000baseKR2_Full; 283 break; 284 case I40E_PHY_TYPE_10GBASE_KX4: 285 ecmd->supported = SUPPORTED_Autoneg | 286 SUPPORTED_10000baseKX4_Full; 287 ecmd->advertising = ADVERTISED_Autoneg | 288 ADVERTISED_10000baseKX4_Full; 289 break; 290 case I40E_PHY_TYPE_10GBASE_KR: 291 ecmd->supported = SUPPORTED_Autoneg | 292 SUPPORTED_10000baseKR_Full; 293 ecmd->advertising = ADVERTISED_Autoneg | 294 ADVERTISED_10000baseKR_Full; 295 break; 296 case I40E_PHY_TYPE_10GBASE_SR: 297 case I40E_PHY_TYPE_10GBASE_LR: 298 case I40E_PHY_TYPE_1000BASE_SX: 299 case I40E_PHY_TYPE_1000BASE_LX: 300 ecmd->supported = SUPPORTED_10000baseT_Full | 301 SUPPORTED_1000baseT_Full; 302 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 303 ecmd->advertising |= ADVERTISED_10000baseT_Full; 304 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 305 ecmd->advertising |= ADVERTISED_1000baseT_Full; 306 break; 307 case I40E_PHY_TYPE_1000BASE_KX: 308 ecmd->supported = SUPPORTED_Autoneg | 309 SUPPORTED_1000baseKX_Full; 310 ecmd->advertising = ADVERTISED_Autoneg | 311 ADVERTISED_1000baseKX_Full; 312 break; 313 case I40E_PHY_TYPE_10GBASE_T: 314 case I40E_PHY_TYPE_1000BASE_T: 315 case I40E_PHY_TYPE_100BASE_TX: 316 ecmd->supported = SUPPORTED_Autoneg | 317 SUPPORTED_10000baseT_Full | 318 SUPPORTED_1000baseT_Full | 319 SUPPORTED_100baseT_Full; 320 ecmd->advertising = ADVERTISED_Autoneg; 321 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 322 ecmd->advertising |= ADVERTISED_10000baseT_Full; 323 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 324 ecmd->advertising |= ADVERTISED_1000baseT_Full; 325 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 326 ecmd->advertising |= ADVERTISED_100baseT_Full; 327 break; 328 case I40E_PHY_TYPE_10GBASE_CR1_CU: 329 case I40E_PHY_TYPE_10GBASE_CR1: 330 ecmd->supported = SUPPORTED_Autoneg | 331 SUPPORTED_10000baseT_Full; 332 ecmd->advertising = ADVERTISED_Autoneg | 333 ADVERTISED_10000baseT_Full; 334 break; 335 case I40E_PHY_TYPE_XAUI: 336 case I40E_PHY_TYPE_XFI: 337 case I40E_PHY_TYPE_SFI: 338 case I40E_PHY_TYPE_10GBASE_SFPP_CU: 339 case I40E_PHY_TYPE_10GBASE_AOC: 340 ecmd->supported = SUPPORTED_10000baseT_Full; 341 break; 342 case I40E_PHY_TYPE_SGMII: 343 ecmd->supported = SUPPORTED_Autoneg | 344 SUPPORTED_1000baseT_Full | 345 SUPPORTED_100baseT_Full; 346 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 347 ecmd->advertising |= ADVERTISED_1000baseT_Full; 348 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 349 ecmd->advertising |= ADVERTISED_100baseT_Full; 350 break; 351 default: 352 /* if we got here and link is up something bad is afoot */ 353 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n", 354 hw_link_info->phy_type); 355 } 356 357 /* Set speed and duplex */ 358 switch (link_speed) { 359 case I40E_LINK_SPEED_40GB: 360 ethtool_cmd_speed_set(ecmd, SPEED_40000); 361 break; 362 case I40E_LINK_SPEED_20GB: 363 ethtool_cmd_speed_set(ecmd, SPEED_20000); 364 break; 365 case I40E_LINK_SPEED_10GB: 366 ethtool_cmd_speed_set(ecmd, SPEED_10000); 367 break; 368 case I40E_LINK_SPEED_1GB: 369 ethtool_cmd_speed_set(ecmd, SPEED_1000); 370 break; 371 case I40E_LINK_SPEED_100MB: 372 ethtool_cmd_speed_set(ecmd, SPEED_100); 373 break; 374 default: 375 break; 376 } 377 ecmd->duplex = DUPLEX_FULL; 378 } 379 380 /** 381 * i40e_get_settings_link_down - Get the Link settings for when link is down 382 * @hw: hw structure 383 * @ecmd: ethtool command to fill in 384 * 385 * Reports link settings that can be determined when link is down 386 **/ 387 static void i40e_get_settings_link_down(struct i40e_hw *hw, 388 struct ethtool_cmd *ecmd) 389 { 390 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 391 392 /* link is down and the driver needs to fall back on 393 * device ID to determine what kinds of info to display, 394 * it's mostly a guess that may change when link is up 395 */ 396 switch (hw->device_id) { 397 case I40E_DEV_ID_QSFP_A: 398 case I40E_DEV_ID_QSFP_B: 399 case I40E_DEV_ID_QSFP_C: 400 /* pluggable QSFP */ 401 ecmd->supported = SUPPORTED_40000baseSR4_Full | 402 SUPPORTED_40000baseCR4_Full | 403 SUPPORTED_40000baseLR4_Full; 404 ecmd->advertising = ADVERTISED_40000baseSR4_Full | 405 ADVERTISED_40000baseCR4_Full | 406 ADVERTISED_40000baseLR4_Full; 407 break; 408 case I40E_DEV_ID_KX_B: 409 /* backplane 40G */ 410 ecmd->supported = SUPPORTED_40000baseKR4_Full; 411 ecmd->advertising = ADVERTISED_40000baseKR4_Full; 412 break; 413 case I40E_DEV_ID_KX_C: 414 /* backplane 10G */ 415 ecmd->supported = SUPPORTED_10000baseKR_Full; 416 ecmd->advertising = ADVERTISED_10000baseKR_Full; 417 break; 418 case I40E_DEV_ID_10G_BASE_T: 419 ecmd->supported = SUPPORTED_10000baseT_Full | 420 SUPPORTED_1000baseT_Full | 421 SUPPORTED_100baseT_Full; 422 /* Figure out what has been requested */ 423 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 424 ecmd->advertising |= ADVERTISED_10000baseT_Full; 425 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 426 ecmd->advertising |= ADVERTISED_1000baseT_Full; 427 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 428 ecmd->advertising |= ADVERTISED_100baseT_Full; 429 break; 430 case I40E_DEV_ID_20G_KR2: 431 /* backplane 20G */ 432 ecmd->supported = SUPPORTED_20000baseKR2_Full; 433 ecmd->advertising = ADVERTISED_20000baseKR2_Full; 434 break; 435 default: 436 /* all the rest are 10G/1G */ 437 ecmd->supported = SUPPORTED_10000baseT_Full | 438 SUPPORTED_1000baseT_Full; 439 /* Figure out what has been requested */ 440 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 441 ecmd->advertising |= ADVERTISED_10000baseT_Full; 442 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 443 ecmd->advertising |= ADVERTISED_1000baseT_Full; 444 break; 445 } 446 447 /* With no link speed and duplex are unknown */ 448 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN); 449 ecmd->duplex = DUPLEX_UNKNOWN; 450 } 451 452 /** 453 * i40e_get_settings - Get Link Speed and Duplex settings 454 * @netdev: network interface device structure 455 * @ecmd: ethtool command 456 * 457 * Reports speed/duplex settings based on media_type 458 **/ 459 static int i40e_get_settings(struct net_device *netdev, 460 struct ethtool_cmd *ecmd) 461 { 462 struct i40e_netdev_priv *np = netdev_priv(netdev); 463 struct i40e_pf *pf = np->vsi->back; 464 struct i40e_hw *hw = &pf->hw; 465 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 466 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 467 468 if (link_up) 469 i40e_get_settings_link_up(hw, ecmd, netdev); 470 else 471 i40e_get_settings_link_down(hw, ecmd); 472 473 /* Now set the settings that don't rely on link being up/down */ 474 475 /* Set autoneg settings */ 476 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 477 AUTONEG_ENABLE : AUTONEG_DISABLE); 478 479 switch (hw->phy.media_type) { 480 case I40E_MEDIA_TYPE_BACKPLANE: 481 ecmd->supported |= SUPPORTED_Autoneg | 482 SUPPORTED_Backplane; 483 ecmd->advertising |= ADVERTISED_Autoneg | 484 ADVERTISED_Backplane; 485 ecmd->port = PORT_NONE; 486 break; 487 case I40E_MEDIA_TYPE_BASET: 488 ecmd->supported |= SUPPORTED_TP; 489 ecmd->advertising |= ADVERTISED_TP; 490 ecmd->port = PORT_TP; 491 break; 492 case I40E_MEDIA_TYPE_DA: 493 case I40E_MEDIA_TYPE_CX4: 494 ecmd->supported |= SUPPORTED_FIBRE; 495 ecmd->advertising |= ADVERTISED_FIBRE; 496 ecmd->port = PORT_DA; 497 break; 498 case I40E_MEDIA_TYPE_FIBER: 499 ecmd->supported |= SUPPORTED_FIBRE; 500 ecmd->port = PORT_FIBRE; 501 break; 502 case I40E_MEDIA_TYPE_UNKNOWN: 503 default: 504 ecmd->port = PORT_OTHER; 505 break; 506 } 507 508 /* Set transceiver */ 509 ecmd->transceiver = XCVR_EXTERNAL; 510 511 /* Set flow control settings */ 512 ecmd->supported |= SUPPORTED_Pause; 513 514 switch (hw->fc.requested_mode) { 515 case I40E_FC_FULL: 516 ecmd->advertising |= ADVERTISED_Pause; 517 break; 518 case I40E_FC_TX_PAUSE: 519 ecmd->advertising |= ADVERTISED_Asym_Pause; 520 break; 521 case I40E_FC_RX_PAUSE: 522 ecmd->advertising |= (ADVERTISED_Pause | 523 ADVERTISED_Asym_Pause); 524 break; 525 default: 526 ecmd->advertising &= ~(ADVERTISED_Pause | 527 ADVERTISED_Asym_Pause); 528 break; 529 } 530 531 return 0; 532 } 533 534 /** 535 * i40e_set_settings - Set Speed and Duplex 536 * @netdev: network interface device structure 537 * @ecmd: ethtool command 538 * 539 * Set speed/duplex per media_types advertised/forced 540 **/ 541 static int i40e_set_settings(struct net_device *netdev, 542 struct ethtool_cmd *ecmd) 543 { 544 struct i40e_netdev_priv *np = netdev_priv(netdev); 545 struct i40e_aq_get_phy_abilities_resp abilities; 546 struct i40e_aq_set_phy_config config; 547 struct i40e_pf *pf = np->vsi->back; 548 struct i40e_vsi *vsi = np->vsi; 549 struct i40e_hw *hw = &pf->hw; 550 struct ethtool_cmd safe_ecmd; 551 i40e_status status = 0; 552 bool change = false; 553 int err = 0; 554 u8 autoneg; 555 u32 advertise; 556 557 /* Changing port settings is not supported if this isn't the 558 * port's controlling PF 559 */ 560 if (hw->partition_id != 1) { 561 i40e_partition_setting_complaint(pf); 562 return -EOPNOTSUPP; 563 } 564 565 if (vsi != pf->vsi[pf->lan_vsi]) 566 return -EOPNOTSUPP; 567 568 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET && 569 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER && 570 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE && 571 hw->phy.link_info.link_info & I40E_AQ_LINK_UP) 572 return -EOPNOTSUPP; 573 574 /* get our own copy of the bits to check against */ 575 memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd)); 576 i40e_get_settings(netdev, &safe_ecmd); 577 578 /* save autoneg and speed out of ecmd */ 579 autoneg = ecmd->autoneg; 580 advertise = ecmd->advertising; 581 582 /* set autoneg and speed back to what they currently are */ 583 ecmd->autoneg = safe_ecmd.autoneg; 584 ecmd->advertising = safe_ecmd.advertising; 585 586 ecmd->cmd = safe_ecmd.cmd; 587 /* If ecmd and safe_ecmd are not the same now, then they are 588 * trying to set something that we do not support 589 */ 590 if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd))) 591 return -EOPNOTSUPP; 592 593 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state)) 594 usleep_range(1000, 2000); 595 596 /* Get the current phy config */ 597 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities, 598 NULL); 599 if (status) 600 return -EAGAIN; 601 602 /* Copy abilities to config in case autoneg is not 603 * set below 604 */ 605 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config)); 606 config.abilities = abilities.abilities; 607 608 /* Check autoneg */ 609 if (autoneg == AUTONEG_ENABLE) { 610 /* If autoneg is not supported, return error */ 611 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) { 612 netdev_info(netdev, "Autoneg not supported on this phy\n"); 613 return -EINVAL; 614 } 615 /* If autoneg was not already enabled */ 616 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) { 617 config.abilities = abilities.abilities | 618 I40E_AQ_PHY_ENABLE_AN; 619 change = true; 620 } 621 } else { 622 /* If autoneg is supported 10GBASE_T is the only phy that 623 * can disable it, so otherwise return error 624 */ 625 if (safe_ecmd.supported & SUPPORTED_Autoneg && 626 hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) { 627 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 628 return -EINVAL; 629 } 630 /* If autoneg is currently enabled */ 631 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) { 632 config.abilities = abilities.abilities & 633 ~I40E_AQ_PHY_ENABLE_AN; 634 change = true; 635 } 636 } 637 638 if (advertise & ~safe_ecmd.supported) 639 return -EINVAL; 640 641 if (advertise & ADVERTISED_100baseT_Full) 642 config.link_speed |= I40E_LINK_SPEED_100MB; 643 if (advertise & ADVERTISED_1000baseT_Full || 644 advertise & ADVERTISED_1000baseKX_Full) 645 config.link_speed |= I40E_LINK_SPEED_1GB; 646 if (advertise & ADVERTISED_10000baseT_Full || 647 advertise & ADVERTISED_10000baseKX4_Full || 648 advertise & ADVERTISED_10000baseKR_Full) 649 config.link_speed |= I40E_LINK_SPEED_10GB; 650 if (advertise & ADVERTISED_20000baseKR2_Full) 651 config.link_speed |= I40E_LINK_SPEED_20GB; 652 if (advertise & ADVERTISED_40000baseKR4_Full || 653 advertise & ADVERTISED_40000baseCR4_Full || 654 advertise & ADVERTISED_40000baseSR4_Full || 655 advertise & ADVERTISED_40000baseLR4_Full) 656 config.link_speed |= I40E_LINK_SPEED_40GB; 657 658 if (change || (abilities.link_speed != config.link_speed)) { 659 /* copy over the rest of the abilities */ 660 config.phy_type = abilities.phy_type; 661 config.eee_capability = abilities.eee_capability; 662 config.eeer = abilities.eeer_val; 663 config.low_power_ctrl = abilities.d3_lpan; 664 665 /* save the requested speeds */ 666 hw->phy.link_info.requested_speeds = config.link_speed; 667 /* set link and auto negotiation so changes take effect */ 668 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK; 669 /* If link is up put link down */ 670 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) { 671 /* Tell the OS link is going down, the link will go 672 * back up when fw says it is ready asynchronously 673 */ 674 netdev_info(netdev, "PHY settings change requested, NIC Link is going down.\n"); 675 netif_carrier_off(netdev); 676 netif_tx_stop_all_queues(netdev); 677 } 678 679 /* make the aq call */ 680 status = i40e_aq_set_phy_config(hw, &config, NULL); 681 if (status) { 682 netdev_info(netdev, "Set phy config failed with error %d.\n", 683 status); 684 return -EAGAIN; 685 } 686 687 status = i40e_aq_get_link_info(hw, true, NULL, NULL); 688 if (status) 689 netdev_info(netdev, "Updating link info failed with error %d\n", 690 status); 691 692 } else { 693 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 694 } 695 696 return err; 697 } 698 699 static int i40e_nway_reset(struct net_device *netdev) 700 { 701 /* restart autonegotiation */ 702 struct i40e_netdev_priv *np = netdev_priv(netdev); 703 struct i40e_pf *pf = np->vsi->back; 704 struct i40e_hw *hw = &pf->hw; 705 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP; 706 i40e_status ret = 0; 707 708 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL); 709 if (ret) { 710 netdev_info(netdev, "link restart failed, aq_err=%d\n", 711 pf->hw.aq.asq_last_status); 712 return -EIO; 713 } 714 715 return 0; 716 } 717 718 /** 719 * i40e_get_pauseparam - Get Flow Control status 720 * Return tx/rx-pause status 721 **/ 722 static void i40e_get_pauseparam(struct net_device *netdev, 723 struct ethtool_pauseparam *pause) 724 { 725 struct i40e_netdev_priv *np = netdev_priv(netdev); 726 struct i40e_pf *pf = np->vsi->back; 727 struct i40e_hw *hw = &pf->hw; 728 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 729 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 730 731 pause->autoneg = 732 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 733 AUTONEG_ENABLE : AUTONEG_DISABLE); 734 735 /* PFC enabled so report LFC as off */ 736 if (dcbx_cfg->pfc.pfcenable) { 737 pause->rx_pause = 0; 738 pause->tx_pause = 0; 739 return; 740 } 741 742 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) { 743 pause->rx_pause = 1; 744 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) { 745 pause->tx_pause = 1; 746 } else if (hw->fc.current_mode == I40E_FC_FULL) { 747 pause->rx_pause = 1; 748 pause->tx_pause = 1; 749 } 750 } 751 752 /** 753 * i40e_set_pauseparam - Set Flow Control parameter 754 * @netdev: network interface device structure 755 * @pause: return tx/rx flow control status 756 **/ 757 static int i40e_set_pauseparam(struct net_device *netdev, 758 struct ethtool_pauseparam *pause) 759 { 760 struct i40e_netdev_priv *np = netdev_priv(netdev); 761 struct i40e_pf *pf = np->vsi->back; 762 struct i40e_vsi *vsi = np->vsi; 763 struct i40e_hw *hw = &pf->hw; 764 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 765 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 766 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 767 i40e_status status; 768 u8 aq_failures; 769 int err = 0; 770 771 /* Changing the port's flow control is not supported if this isn't the 772 * port's controlling PF 773 */ 774 if (hw->partition_id != 1) { 775 i40e_partition_setting_complaint(pf); 776 return -EOPNOTSUPP; 777 } 778 779 if (vsi != pf->vsi[pf->lan_vsi]) 780 return -EOPNOTSUPP; 781 782 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 783 AUTONEG_ENABLE : AUTONEG_DISABLE)) { 784 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 785 return -EOPNOTSUPP; 786 } 787 788 /* If we have link and don't have autoneg */ 789 if (!test_bit(__I40E_DOWN, &pf->state) && 790 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) { 791 /* Send message that it might not necessarily work*/ 792 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 793 } 794 795 if (dcbx_cfg->pfc.pfcenable) { 796 netdev_info(netdev, 797 "Priority flow control enabled. Cannot set link flow control.\n"); 798 return -EOPNOTSUPP; 799 } 800 801 if (pause->rx_pause && pause->tx_pause) 802 hw->fc.requested_mode = I40E_FC_FULL; 803 else if (pause->rx_pause && !pause->tx_pause) 804 hw->fc.requested_mode = I40E_FC_RX_PAUSE; 805 else if (!pause->rx_pause && pause->tx_pause) 806 hw->fc.requested_mode = I40E_FC_TX_PAUSE; 807 else if (!pause->rx_pause && !pause->tx_pause) 808 hw->fc.requested_mode = I40E_FC_NONE; 809 else 810 return -EINVAL; 811 812 /* Tell the OS link is going down, the link will go back up when fw 813 * says it is ready asynchronously 814 */ 815 netdev_info(netdev, "Flow control settings change requested, NIC Link is going down.\n"); 816 netif_carrier_off(netdev); 817 netif_tx_stop_all_queues(netdev); 818 819 /* Set the fc mode and only restart an if link is up*/ 820 status = i40e_set_fc(hw, &aq_failures, link_up); 821 822 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) { 823 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with error %d and status %d\n", 824 status, hw->aq.asq_last_status); 825 err = -EAGAIN; 826 } 827 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) { 828 netdev_info(netdev, "Set fc failed on the set_phy_config call with error %d and status %d\n", 829 status, hw->aq.asq_last_status); 830 err = -EAGAIN; 831 } 832 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) { 833 netdev_info(netdev, "Set fc failed on the get_link_info call with error %d and status %d\n", 834 status, hw->aq.asq_last_status); 835 err = -EAGAIN; 836 } 837 838 if (!test_bit(__I40E_DOWN, &pf->state)) { 839 /* Give it a little more time to try to come back */ 840 msleep(75); 841 if (!test_bit(__I40E_DOWN, &pf->state)) 842 return i40e_nway_reset(netdev); 843 } 844 845 return err; 846 } 847 848 static u32 i40e_get_msglevel(struct net_device *netdev) 849 { 850 struct i40e_netdev_priv *np = netdev_priv(netdev); 851 struct i40e_pf *pf = np->vsi->back; 852 853 return pf->msg_enable; 854 } 855 856 static void i40e_set_msglevel(struct net_device *netdev, u32 data) 857 { 858 struct i40e_netdev_priv *np = netdev_priv(netdev); 859 struct i40e_pf *pf = np->vsi->back; 860 861 if (I40E_DEBUG_USER & data) 862 pf->hw.debug_mask = data; 863 pf->msg_enable = data; 864 } 865 866 static int i40e_get_regs_len(struct net_device *netdev) 867 { 868 int reg_count = 0; 869 int i; 870 871 for (i = 0; i40e_reg_list[i].offset != 0; i++) 872 reg_count += i40e_reg_list[i].elements; 873 874 return reg_count * sizeof(u32); 875 } 876 877 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs, 878 void *p) 879 { 880 struct i40e_netdev_priv *np = netdev_priv(netdev); 881 struct i40e_pf *pf = np->vsi->back; 882 struct i40e_hw *hw = &pf->hw; 883 u32 *reg_buf = p; 884 int i, j, ri; 885 u32 reg; 886 887 /* Tell ethtool which driver-version-specific regs output we have. 888 * 889 * At some point, if we have ethtool doing special formatting of 890 * this data, it will rely on this version number to know how to 891 * interpret things. Hence, this needs to be updated if/when the 892 * diags register table is changed. 893 */ 894 regs->version = 1; 895 896 /* loop through the diags reg table for what to print */ 897 ri = 0; 898 for (i = 0; i40e_reg_list[i].offset != 0; i++) { 899 for (j = 0; j < i40e_reg_list[i].elements; j++) { 900 reg = i40e_reg_list[i].offset 901 + (j * i40e_reg_list[i].stride); 902 reg_buf[ri++] = rd32(hw, reg); 903 } 904 } 905 906 } 907 908 static int i40e_get_eeprom(struct net_device *netdev, 909 struct ethtool_eeprom *eeprom, u8 *bytes) 910 { 911 struct i40e_netdev_priv *np = netdev_priv(netdev); 912 struct i40e_hw *hw = &np->vsi->back->hw; 913 struct i40e_pf *pf = np->vsi->back; 914 int ret_val = 0, len, offset; 915 u8 *eeprom_buff; 916 u16 i, sectors; 917 bool last; 918 u32 magic; 919 920 #define I40E_NVM_SECTOR_SIZE 4096 921 if (eeprom->len == 0) 922 return -EINVAL; 923 924 /* check for NVMUpdate access method */ 925 magic = hw->vendor_id | (hw->device_id << 16); 926 if (eeprom->magic && eeprom->magic != magic) { 927 struct i40e_nvm_access *cmd; 928 int errno; 929 930 /* make sure it is the right magic for NVMUpdate */ 931 if ((eeprom->magic >> 16) != hw->device_id) 932 return -EINVAL; 933 934 cmd = (struct i40e_nvm_access *)eeprom; 935 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 936 if (ret_val && 937 ((hw->aq.asq_last_status != I40E_AQ_RC_EACCES) || 938 (hw->debug_mask & I40E_DEBUG_NVM))) 939 dev_info(&pf->pdev->dev, 940 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 941 ret_val, hw->aq.asq_last_status, errno, 942 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 943 cmd->offset, cmd->data_size); 944 945 return errno; 946 } 947 948 /* normal ethtool get_eeprom support */ 949 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 950 951 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL); 952 if (!eeprom_buff) 953 return -ENOMEM; 954 955 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); 956 if (ret_val) { 957 dev_info(&pf->pdev->dev, 958 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 959 ret_val, hw->aq.asq_last_status); 960 goto free_buff; 961 } 962 963 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE; 964 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0; 965 len = I40E_NVM_SECTOR_SIZE; 966 last = false; 967 for (i = 0; i < sectors; i++) { 968 if (i == (sectors - 1)) { 969 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i); 970 last = true; 971 } 972 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i), 973 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len, 974 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i), 975 last, NULL); 976 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) { 977 dev_info(&pf->pdev->dev, 978 "read NVM failed, invalid offset 0x%x\n", 979 offset); 980 break; 981 } else if (ret_val && 982 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) { 983 dev_info(&pf->pdev->dev, 984 "read NVM failed, access, offset 0x%x\n", 985 offset); 986 break; 987 } else if (ret_val) { 988 dev_info(&pf->pdev->dev, 989 "read NVM failed offset %d err=%d status=0x%x\n", 990 offset, ret_val, hw->aq.asq_last_status); 991 break; 992 } 993 } 994 995 i40e_release_nvm(hw); 996 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len); 997 free_buff: 998 kfree(eeprom_buff); 999 return ret_val; 1000 } 1001 1002 static int i40e_get_eeprom_len(struct net_device *netdev) 1003 { 1004 struct i40e_netdev_priv *np = netdev_priv(netdev); 1005 struct i40e_hw *hw = &np->vsi->back->hw; 1006 u32 val; 1007 1008 val = (rd32(hw, I40E_GLPCI_LBARCTRL) 1009 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK) 1010 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT; 1011 /* register returns value in power of 2, 64Kbyte chunks. */ 1012 val = (64 * 1024) * (1 << val); 1013 return val; 1014 } 1015 1016 static int i40e_set_eeprom(struct net_device *netdev, 1017 struct ethtool_eeprom *eeprom, u8 *bytes) 1018 { 1019 struct i40e_netdev_priv *np = netdev_priv(netdev); 1020 struct i40e_hw *hw = &np->vsi->back->hw; 1021 struct i40e_pf *pf = np->vsi->back; 1022 struct i40e_nvm_access *cmd; 1023 int ret_val = 0; 1024 int errno; 1025 u32 magic; 1026 1027 /* normal ethtool set_eeprom is not supported */ 1028 magic = hw->vendor_id | (hw->device_id << 16); 1029 if (eeprom->magic == magic) 1030 return -EOPNOTSUPP; 1031 1032 /* check for NVMUpdate access method */ 1033 if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id) 1034 return -EINVAL; 1035 1036 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 1037 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 1038 return -EBUSY; 1039 1040 cmd = (struct i40e_nvm_access *)eeprom; 1041 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 1042 if (ret_val && 1043 ((hw->aq.asq_last_status != I40E_AQ_RC_EPERM && 1044 hw->aq.asq_last_status != I40E_AQ_RC_EBUSY) || 1045 (hw->debug_mask & I40E_DEBUG_NVM))) 1046 dev_info(&pf->pdev->dev, 1047 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 1048 ret_val, hw->aq.asq_last_status, errno, 1049 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 1050 cmd->offset, cmd->data_size); 1051 1052 return errno; 1053 } 1054 1055 static void i40e_get_drvinfo(struct net_device *netdev, 1056 struct ethtool_drvinfo *drvinfo) 1057 { 1058 struct i40e_netdev_priv *np = netdev_priv(netdev); 1059 struct i40e_vsi *vsi = np->vsi; 1060 struct i40e_pf *pf = vsi->back; 1061 1062 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver)); 1063 strlcpy(drvinfo->version, i40e_driver_version_str, 1064 sizeof(drvinfo->version)); 1065 strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw), 1066 sizeof(drvinfo->fw_version)); 1067 strlcpy(drvinfo->bus_info, pci_name(pf->pdev), 1068 sizeof(drvinfo->bus_info)); 1069 drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN; 1070 } 1071 1072 static void i40e_get_ringparam(struct net_device *netdev, 1073 struct ethtool_ringparam *ring) 1074 { 1075 struct i40e_netdev_priv *np = netdev_priv(netdev); 1076 struct i40e_pf *pf = np->vsi->back; 1077 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; 1078 1079 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1080 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1081 ring->rx_mini_max_pending = 0; 1082 ring->rx_jumbo_max_pending = 0; 1083 ring->rx_pending = vsi->rx_rings[0]->count; 1084 ring->tx_pending = vsi->tx_rings[0]->count; 1085 ring->rx_mini_pending = 0; 1086 ring->rx_jumbo_pending = 0; 1087 } 1088 1089 static int i40e_set_ringparam(struct net_device *netdev, 1090 struct ethtool_ringparam *ring) 1091 { 1092 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL; 1093 struct i40e_netdev_priv *np = netdev_priv(netdev); 1094 struct i40e_vsi *vsi = np->vsi; 1095 struct i40e_pf *pf = vsi->back; 1096 u32 new_rx_count, new_tx_count; 1097 int i, err = 0; 1098 1099 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 1100 return -EINVAL; 1101 1102 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS || 1103 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS || 1104 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS || 1105 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) { 1106 netdev_info(netdev, 1107 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n", 1108 ring->tx_pending, ring->rx_pending, 1109 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS); 1110 return -EINVAL; 1111 } 1112 1113 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1114 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1115 1116 /* if nothing to do return success */ 1117 if ((new_tx_count == vsi->tx_rings[0]->count) && 1118 (new_rx_count == vsi->rx_rings[0]->count)) 1119 return 0; 1120 1121 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state)) 1122 usleep_range(1000, 2000); 1123 1124 if (!netif_running(vsi->netdev)) { 1125 /* simple case - set for the next time the netdev is started */ 1126 for (i = 0; i < vsi->num_queue_pairs; i++) { 1127 vsi->tx_rings[i]->count = new_tx_count; 1128 vsi->rx_rings[i]->count = new_rx_count; 1129 } 1130 goto done; 1131 } 1132 1133 /* We can't just free everything and then setup again, 1134 * because the ISRs in MSI-X mode get passed pointers 1135 * to the Tx and Rx ring structs. 1136 */ 1137 1138 /* alloc updated Tx resources */ 1139 if (new_tx_count != vsi->tx_rings[0]->count) { 1140 netdev_info(netdev, 1141 "Changing Tx descriptor count from %d to %d.\n", 1142 vsi->tx_rings[0]->count, new_tx_count); 1143 tx_rings = kcalloc(vsi->alloc_queue_pairs, 1144 sizeof(struct i40e_ring), GFP_KERNEL); 1145 if (!tx_rings) { 1146 err = -ENOMEM; 1147 goto done; 1148 } 1149 1150 for (i = 0; i < vsi->num_queue_pairs; i++) { 1151 /* clone ring and setup updated count */ 1152 tx_rings[i] = *vsi->tx_rings[i]; 1153 tx_rings[i].count = new_tx_count; 1154 err = i40e_setup_tx_descriptors(&tx_rings[i]); 1155 if (err) { 1156 while (i) { 1157 i--; 1158 i40e_free_tx_resources(&tx_rings[i]); 1159 } 1160 kfree(tx_rings); 1161 tx_rings = NULL; 1162 1163 goto done; 1164 } 1165 } 1166 } 1167 1168 /* alloc updated Rx resources */ 1169 if (new_rx_count != vsi->rx_rings[0]->count) { 1170 netdev_info(netdev, 1171 "Changing Rx descriptor count from %d to %d\n", 1172 vsi->rx_rings[0]->count, new_rx_count); 1173 rx_rings = kcalloc(vsi->alloc_queue_pairs, 1174 sizeof(struct i40e_ring), GFP_KERNEL); 1175 if (!rx_rings) { 1176 err = -ENOMEM; 1177 goto free_tx; 1178 } 1179 1180 for (i = 0; i < vsi->num_queue_pairs; i++) { 1181 /* clone ring and setup updated count */ 1182 rx_rings[i] = *vsi->rx_rings[i]; 1183 rx_rings[i].count = new_rx_count; 1184 err = i40e_setup_rx_descriptors(&rx_rings[i]); 1185 if (err) { 1186 while (i) { 1187 i--; 1188 i40e_free_rx_resources(&rx_rings[i]); 1189 } 1190 kfree(rx_rings); 1191 rx_rings = NULL; 1192 1193 goto free_tx; 1194 } 1195 } 1196 } 1197 1198 /* Bring interface down, copy in the new ring info, 1199 * then restore the interface 1200 */ 1201 i40e_down(vsi); 1202 1203 if (tx_rings) { 1204 for (i = 0; i < vsi->num_queue_pairs; i++) { 1205 i40e_free_tx_resources(vsi->tx_rings[i]); 1206 *vsi->tx_rings[i] = tx_rings[i]; 1207 } 1208 kfree(tx_rings); 1209 tx_rings = NULL; 1210 } 1211 1212 if (rx_rings) { 1213 for (i = 0; i < vsi->num_queue_pairs; i++) { 1214 i40e_free_rx_resources(vsi->rx_rings[i]); 1215 *vsi->rx_rings[i] = rx_rings[i]; 1216 } 1217 kfree(rx_rings); 1218 rx_rings = NULL; 1219 } 1220 1221 i40e_up(vsi); 1222 1223 free_tx: 1224 /* error cleanup if the Rx allocations failed after getting Tx */ 1225 if (tx_rings) { 1226 for (i = 0; i < vsi->num_queue_pairs; i++) 1227 i40e_free_tx_resources(&tx_rings[i]); 1228 kfree(tx_rings); 1229 tx_rings = NULL; 1230 } 1231 1232 done: 1233 clear_bit(__I40E_CONFIG_BUSY, &pf->state); 1234 1235 return err; 1236 } 1237 1238 static int i40e_get_sset_count(struct net_device *netdev, int sset) 1239 { 1240 struct i40e_netdev_priv *np = netdev_priv(netdev); 1241 struct i40e_vsi *vsi = np->vsi; 1242 struct i40e_pf *pf = vsi->back; 1243 1244 switch (sset) { 1245 case ETH_SS_TEST: 1246 return I40E_TEST_LEN; 1247 case ETH_SS_STATS: 1248 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) { 1249 int len = I40E_PF_STATS_LEN(netdev); 1250 1251 if (pf->lan_veb != I40E_NO_VEB) 1252 len += I40E_VEB_STATS_LEN; 1253 return len; 1254 } else { 1255 return I40E_VSI_STATS_LEN(netdev); 1256 } 1257 case ETH_SS_PRIV_FLAGS: 1258 return I40E_PRIV_FLAGS_STR_LEN; 1259 default: 1260 return -EOPNOTSUPP; 1261 } 1262 } 1263 1264 static void i40e_get_ethtool_stats(struct net_device *netdev, 1265 struct ethtool_stats *stats, u64 *data) 1266 { 1267 struct i40e_netdev_priv *np = netdev_priv(netdev); 1268 struct i40e_ring *tx_ring, *rx_ring; 1269 struct i40e_vsi *vsi = np->vsi; 1270 struct i40e_pf *pf = vsi->back; 1271 int i = 0; 1272 char *p; 1273 int j; 1274 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi); 1275 unsigned int start; 1276 1277 i40e_update_stats(vsi); 1278 1279 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) { 1280 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset; 1281 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat == 1282 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1283 } 1284 for (j = 0; j < I40E_MISC_STATS_LEN; j++) { 1285 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset; 1286 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat == 1287 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1288 } 1289 #ifdef I40E_FCOE 1290 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) { 1291 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset; 1292 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat == 1293 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1294 } 1295 #endif 1296 rcu_read_lock(); 1297 for (j = 0; j < vsi->num_queue_pairs; j++) { 1298 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]); 1299 1300 if (!tx_ring) 1301 continue; 1302 1303 /* process Tx ring statistics */ 1304 do { 1305 start = u64_stats_fetch_begin_irq(&tx_ring->syncp); 1306 data[i] = tx_ring->stats.packets; 1307 data[i + 1] = tx_ring->stats.bytes; 1308 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start)); 1309 i += 2; 1310 1311 /* Rx ring is the 2nd half of the queue pair */ 1312 rx_ring = &tx_ring[1]; 1313 do { 1314 start = u64_stats_fetch_begin_irq(&rx_ring->syncp); 1315 data[i] = rx_ring->stats.packets; 1316 data[i + 1] = rx_ring->stats.bytes; 1317 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start)); 1318 i += 2; 1319 } 1320 rcu_read_unlock(); 1321 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1322 return; 1323 1324 if (pf->lan_veb != I40E_NO_VEB) { 1325 struct i40e_veb *veb = pf->veb[pf->lan_veb]; 1326 for (j = 0; j < I40E_VEB_STATS_LEN; j++) { 1327 p = (char *)veb; 1328 p += i40e_gstrings_veb_stats[j].stat_offset; 1329 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat == 1330 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1331 } 1332 } 1333 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) { 1334 p = (char *)pf + i40e_gstrings_stats[j].stat_offset; 1335 data[i++] = (i40e_gstrings_stats[j].sizeof_stat == 1336 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1337 } 1338 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1339 data[i++] = pf->stats.priority_xon_tx[j]; 1340 data[i++] = pf->stats.priority_xoff_tx[j]; 1341 } 1342 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1343 data[i++] = pf->stats.priority_xon_rx[j]; 1344 data[i++] = pf->stats.priority_xoff_rx[j]; 1345 } 1346 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) 1347 data[i++] = pf->stats.priority_xon_2_xoff[j]; 1348 } 1349 1350 static void i40e_get_strings(struct net_device *netdev, u32 stringset, 1351 u8 *data) 1352 { 1353 struct i40e_netdev_priv *np = netdev_priv(netdev); 1354 struct i40e_vsi *vsi = np->vsi; 1355 struct i40e_pf *pf = vsi->back; 1356 char *p = (char *)data; 1357 int i; 1358 1359 switch (stringset) { 1360 case ETH_SS_TEST: 1361 for (i = 0; i < I40E_TEST_LEN; i++) { 1362 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN); 1363 data += ETH_GSTRING_LEN; 1364 } 1365 break; 1366 case ETH_SS_STATS: 1367 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) { 1368 snprintf(p, ETH_GSTRING_LEN, "%s", 1369 i40e_gstrings_net_stats[i].stat_string); 1370 p += ETH_GSTRING_LEN; 1371 } 1372 for (i = 0; i < I40E_MISC_STATS_LEN; i++) { 1373 snprintf(p, ETH_GSTRING_LEN, "%s", 1374 i40e_gstrings_misc_stats[i].stat_string); 1375 p += ETH_GSTRING_LEN; 1376 } 1377 #ifdef I40E_FCOE 1378 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) { 1379 snprintf(p, ETH_GSTRING_LEN, "%s", 1380 i40e_gstrings_fcoe_stats[i].stat_string); 1381 p += ETH_GSTRING_LEN; 1382 } 1383 #endif 1384 for (i = 0; i < vsi->num_queue_pairs; i++) { 1385 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i); 1386 p += ETH_GSTRING_LEN; 1387 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i); 1388 p += ETH_GSTRING_LEN; 1389 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i); 1390 p += ETH_GSTRING_LEN; 1391 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i); 1392 p += ETH_GSTRING_LEN; 1393 } 1394 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1395 return; 1396 1397 if (pf->lan_veb != I40E_NO_VEB) { 1398 for (i = 0; i < I40E_VEB_STATS_LEN; i++) { 1399 snprintf(p, ETH_GSTRING_LEN, "veb.%s", 1400 i40e_gstrings_veb_stats[i].stat_string); 1401 p += ETH_GSTRING_LEN; 1402 } 1403 } 1404 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) { 1405 snprintf(p, ETH_GSTRING_LEN, "port.%s", 1406 i40e_gstrings_stats[i].stat_string); 1407 p += ETH_GSTRING_LEN; 1408 } 1409 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1410 snprintf(p, ETH_GSTRING_LEN, 1411 "port.tx_priority_%u_xon", i); 1412 p += ETH_GSTRING_LEN; 1413 snprintf(p, ETH_GSTRING_LEN, 1414 "port.tx_priority_%u_xoff", i); 1415 p += ETH_GSTRING_LEN; 1416 } 1417 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1418 snprintf(p, ETH_GSTRING_LEN, 1419 "port.rx_priority_%u_xon", i); 1420 p += ETH_GSTRING_LEN; 1421 snprintf(p, ETH_GSTRING_LEN, 1422 "port.rx_priority_%u_xoff", i); 1423 p += ETH_GSTRING_LEN; 1424 } 1425 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1426 snprintf(p, ETH_GSTRING_LEN, 1427 "port.rx_priority_%u_xon_2_xoff", i); 1428 p += ETH_GSTRING_LEN; 1429 } 1430 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */ 1431 break; 1432 case ETH_SS_PRIV_FLAGS: 1433 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) { 1434 memcpy(data, i40e_priv_flags_strings[i], 1435 ETH_GSTRING_LEN); 1436 data += ETH_GSTRING_LEN; 1437 } 1438 break; 1439 default: 1440 break; 1441 } 1442 } 1443 1444 static int i40e_get_ts_info(struct net_device *dev, 1445 struct ethtool_ts_info *info) 1446 { 1447 struct i40e_pf *pf = i40e_netdev_to_pf(dev); 1448 1449 /* only report HW timestamping if PTP is enabled */ 1450 if (!(pf->flags & I40E_FLAG_PTP)) 1451 return ethtool_op_get_ts_info(dev, info); 1452 1453 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 1454 SOF_TIMESTAMPING_RX_SOFTWARE | 1455 SOF_TIMESTAMPING_SOFTWARE | 1456 SOF_TIMESTAMPING_TX_HARDWARE | 1457 SOF_TIMESTAMPING_RX_HARDWARE | 1458 SOF_TIMESTAMPING_RAW_HARDWARE; 1459 1460 if (pf->ptp_clock) 1461 info->phc_index = ptp_clock_index(pf->ptp_clock); 1462 else 1463 info->phc_index = -1; 1464 1465 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON); 1466 1467 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | 1468 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) | 1469 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) | 1470 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) | 1471 (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) | 1472 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | 1473 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) | 1474 (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) | 1475 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | 1476 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) | 1477 (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) | 1478 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ); 1479 1480 return 0; 1481 } 1482 1483 static int i40e_link_test(struct net_device *netdev, u64 *data) 1484 { 1485 struct i40e_netdev_priv *np = netdev_priv(netdev); 1486 struct i40e_pf *pf = np->vsi->back; 1487 1488 netif_info(pf, hw, netdev, "link test\n"); 1489 if (i40e_get_link_status(&pf->hw)) 1490 *data = 0; 1491 else 1492 *data = 1; 1493 1494 return *data; 1495 } 1496 1497 static int i40e_reg_test(struct net_device *netdev, u64 *data) 1498 { 1499 struct i40e_netdev_priv *np = netdev_priv(netdev); 1500 struct i40e_pf *pf = np->vsi->back; 1501 1502 netif_info(pf, hw, netdev, "register test\n"); 1503 *data = i40e_diag_reg_test(&pf->hw); 1504 1505 return *data; 1506 } 1507 1508 static int i40e_eeprom_test(struct net_device *netdev, u64 *data) 1509 { 1510 struct i40e_netdev_priv *np = netdev_priv(netdev); 1511 struct i40e_pf *pf = np->vsi->back; 1512 1513 netif_info(pf, hw, netdev, "eeprom test\n"); 1514 *data = i40e_diag_eeprom_test(&pf->hw); 1515 1516 /* forcebly clear the NVM Update state machine */ 1517 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT; 1518 1519 return *data; 1520 } 1521 1522 static int i40e_intr_test(struct net_device *netdev, u64 *data) 1523 { 1524 struct i40e_netdev_priv *np = netdev_priv(netdev); 1525 struct i40e_pf *pf = np->vsi->back; 1526 u16 swc_old = pf->sw_int_count; 1527 1528 netif_info(pf, hw, netdev, "interrupt test\n"); 1529 wr32(&pf->hw, I40E_PFINT_DYN_CTL0, 1530 (I40E_PFINT_DYN_CTL0_INTENA_MASK | 1531 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK | 1532 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK | 1533 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK | 1534 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK)); 1535 usleep_range(1000, 2000); 1536 *data = (swc_old == pf->sw_int_count); 1537 1538 return *data; 1539 } 1540 1541 static int i40e_loopback_test(struct net_device *netdev, u64 *data) 1542 { 1543 struct i40e_netdev_priv *np = netdev_priv(netdev); 1544 struct i40e_pf *pf = np->vsi->back; 1545 1546 netif_info(pf, hw, netdev, "loopback test not implemented\n"); 1547 *data = 0; 1548 1549 return *data; 1550 } 1551 1552 static inline bool i40e_active_vfs(struct i40e_pf *pf) 1553 { 1554 struct i40e_vf *vfs = pf->vf; 1555 int i; 1556 1557 for (i = 0; i < pf->num_alloc_vfs; i++) 1558 if (vfs[i].vf_states & I40E_VF_STAT_ACTIVE) 1559 return true; 1560 return false; 1561 } 1562 1563 static void i40e_diag_test(struct net_device *netdev, 1564 struct ethtool_test *eth_test, u64 *data) 1565 { 1566 struct i40e_netdev_priv *np = netdev_priv(netdev); 1567 bool if_running = netif_running(netdev); 1568 struct i40e_pf *pf = np->vsi->back; 1569 1570 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1571 /* Offline tests */ 1572 netif_info(pf, drv, netdev, "offline testing starting\n"); 1573 1574 set_bit(__I40E_TESTING, &pf->state); 1575 1576 if (i40e_active_vfs(pf)) { 1577 dev_warn(&pf->pdev->dev, 1578 "Please take active VFS offline and restart the adapter before running NIC diagnostics\n"); 1579 data[I40E_ETH_TEST_REG] = 1; 1580 data[I40E_ETH_TEST_EEPROM] = 1; 1581 data[I40E_ETH_TEST_INTR] = 1; 1582 data[I40E_ETH_TEST_LOOPBACK] = 1; 1583 data[I40E_ETH_TEST_LINK] = 1; 1584 eth_test->flags |= ETH_TEST_FL_FAILED; 1585 clear_bit(__I40E_TESTING, &pf->state); 1586 goto skip_ol_tests; 1587 } 1588 1589 /* If the device is online then take it offline */ 1590 if (if_running) 1591 /* indicate we're in test mode */ 1592 dev_close(netdev); 1593 else 1594 i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED)); 1595 1596 /* Link test performed before hardware reset 1597 * so autoneg doesn't interfere with test result 1598 */ 1599 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1600 eth_test->flags |= ETH_TEST_FL_FAILED; 1601 1602 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM])) 1603 eth_test->flags |= ETH_TEST_FL_FAILED; 1604 1605 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR])) 1606 eth_test->flags |= ETH_TEST_FL_FAILED; 1607 1608 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK])) 1609 eth_test->flags |= ETH_TEST_FL_FAILED; 1610 1611 /* run reg test last, a reset is required after it */ 1612 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG])) 1613 eth_test->flags |= ETH_TEST_FL_FAILED; 1614 1615 clear_bit(__I40E_TESTING, &pf->state); 1616 i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED)); 1617 1618 if (if_running) 1619 dev_open(netdev); 1620 } else { 1621 /* Online tests */ 1622 netif_info(pf, drv, netdev, "online testing starting\n"); 1623 1624 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1625 eth_test->flags |= ETH_TEST_FL_FAILED; 1626 1627 /* Offline only tests, not run in online; pass by default */ 1628 data[I40E_ETH_TEST_REG] = 0; 1629 data[I40E_ETH_TEST_EEPROM] = 0; 1630 data[I40E_ETH_TEST_INTR] = 0; 1631 data[I40E_ETH_TEST_LOOPBACK] = 0; 1632 } 1633 1634 skip_ol_tests: 1635 1636 netif_info(pf, drv, netdev, "testing finished\n"); 1637 } 1638 1639 static void i40e_get_wol(struct net_device *netdev, 1640 struct ethtool_wolinfo *wol) 1641 { 1642 struct i40e_netdev_priv *np = netdev_priv(netdev); 1643 struct i40e_pf *pf = np->vsi->back; 1644 struct i40e_hw *hw = &pf->hw; 1645 u16 wol_nvm_bits; 1646 1647 /* NVM bit on means WoL disabled for the port */ 1648 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1649 if ((1 << hw->port) & wol_nvm_bits || hw->partition_id != 1) { 1650 wol->supported = 0; 1651 wol->wolopts = 0; 1652 } else { 1653 wol->supported = WAKE_MAGIC; 1654 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0); 1655 } 1656 } 1657 1658 /** 1659 * i40e_set_wol - set the WakeOnLAN configuration 1660 * @netdev: the netdev in question 1661 * @wol: the ethtool WoL setting data 1662 **/ 1663 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1664 { 1665 struct i40e_netdev_priv *np = netdev_priv(netdev); 1666 struct i40e_pf *pf = np->vsi->back; 1667 struct i40e_vsi *vsi = np->vsi; 1668 struct i40e_hw *hw = &pf->hw; 1669 u16 wol_nvm_bits; 1670 1671 /* WoL not supported if this isn't the controlling PF on the port */ 1672 if (hw->partition_id != 1) { 1673 i40e_partition_setting_complaint(pf); 1674 return -EOPNOTSUPP; 1675 } 1676 1677 if (vsi != pf->vsi[pf->lan_vsi]) 1678 return -EOPNOTSUPP; 1679 1680 /* NVM bit on means WoL disabled for the port */ 1681 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1682 if (((1 << hw->port) & wol_nvm_bits)) 1683 return -EOPNOTSUPP; 1684 1685 /* only magic packet is supported */ 1686 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC)) 1687 return -EOPNOTSUPP; 1688 1689 /* is this a new value? */ 1690 if (pf->wol_en != !!wol->wolopts) { 1691 pf->wol_en = !!wol->wolopts; 1692 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en); 1693 } 1694 1695 return 0; 1696 } 1697 1698 static int i40e_set_phys_id(struct net_device *netdev, 1699 enum ethtool_phys_id_state state) 1700 { 1701 struct i40e_netdev_priv *np = netdev_priv(netdev); 1702 struct i40e_pf *pf = np->vsi->back; 1703 struct i40e_hw *hw = &pf->hw; 1704 int blink_freq = 2; 1705 1706 switch (state) { 1707 case ETHTOOL_ID_ACTIVE: 1708 pf->led_status = i40e_led_get(hw); 1709 return blink_freq; 1710 case ETHTOOL_ID_ON: 1711 i40e_led_set(hw, 0xF, false); 1712 break; 1713 case ETHTOOL_ID_OFF: 1714 i40e_led_set(hw, 0x0, false); 1715 break; 1716 case ETHTOOL_ID_INACTIVE: 1717 i40e_led_set(hw, pf->led_status, false); 1718 break; 1719 default: 1720 break; 1721 } 1722 1723 return 0; 1724 } 1725 1726 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt 1727 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also 1728 * 125us (8000 interrupts per second) == ITR(62) 1729 */ 1730 1731 static int i40e_get_coalesce(struct net_device *netdev, 1732 struct ethtool_coalesce *ec) 1733 { 1734 struct i40e_netdev_priv *np = netdev_priv(netdev); 1735 struct i40e_vsi *vsi = np->vsi; 1736 1737 ec->tx_max_coalesced_frames_irq = vsi->work_limit; 1738 ec->rx_max_coalesced_frames_irq = vsi->work_limit; 1739 1740 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting)) 1741 ec->use_adaptive_rx_coalesce = 1; 1742 1743 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting)) 1744 ec->use_adaptive_tx_coalesce = 1; 1745 1746 ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC; 1747 ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC; 1748 1749 return 0; 1750 } 1751 1752 static int i40e_set_coalesce(struct net_device *netdev, 1753 struct ethtool_coalesce *ec) 1754 { 1755 struct i40e_netdev_priv *np = netdev_priv(netdev); 1756 struct i40e_q_vector *q_vector; 1757 struct i40e_vsi *vsi = np->vsi; 1758 struct i40e_pf *pf = vsi->back; 1759 struct i40e_hw *hw = &pf->hw; 1760 u16 vector; 1761 int i; 1762 1763 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) 1764 vsi->work_limit = ec->tx_max_coalesced_frames_irq; 1765 1766 vector = vsi->base_vector; 1767 if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1768 (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1769 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1770 } else if (ec->rx_coalesce_usecs == 0) { 1771 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1772 if (ec->use_adaptive_rx_coalesce) 1773 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n"); 1774 } else { 1775 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n"); 1776 return -EINVAL; 1777 } 1778 1779 if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1780 (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1781 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1782 } else if (ec->tx_coalesce_usecs == 0) { 1783 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1784 if (ec->use_adaptive_tx_coalesce) 1785 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n"); 1786 } else { 1787 netif_info(pf, drv, netdev, 1788 "Invalid value, tx-usecs range is 0-8160\n"); 1789 return -EINVAL; 1790 } 1791 1792 if (ec->use_adaptive_rx_coalesce) 1793 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC; 1794 else 1795 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC; 1796 1797 if (ec->use_adaptive_tx_coalesce) 1798 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC; 1799 else 1800 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC; 1801 1802 for (i = 0; i < vsi->num_q_vectors; i++, vector++) { 1803 q_vector = vsi->q_vectors[i]; 1804 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting); 1805 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr); 1806 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting); 1807 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr); 1808 i40e_flush(hw); 1809 } 1810 1811 return 0; 1812 } 1813 1814 /** 1815 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type 1816 * @pf: pointer to the physical function struct 1817 * @cmd: ethtool rxnfc command 1818 * 1819 * Returns Success if the flow is supported, else Invalid Input. 1820 **/ 1821 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd) 1822 { 1823 cmd->data = 0; 1824 1825 if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) { 1826 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data; 1827 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type; 1828 return 0; 1829 } 1830 /* Report default options for RSS on i40e */ 1831 switch (cmd->flow_type) { 1832 case TCP_V4_FLOW: 1833 case UDP_V4_FLOW: 1834 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1835 /* fall through to add IP fields */ 1836 case SCTP_V4_FLOW: 1837 case AH_ESP_V4_FLOW: 1838 case AH_V4_FLOW: 1839 case ESP_V4_FLOW: 1840 case IPV4_FLOW: 1841 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1842 break; 1843 case TCP_V6_FLOW: 1844 case UDP_V6_FLOW: 1845 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1846 /* fall through to add IP fields */ 1847 case SCTP_V6_FLOW: 1848 case AH_ESP_V6_FLOW: 1849 case AH_V6_FLOW: 1850 case ESP_V6_FLOW: 1851 case IPV6_FLOW: 1852 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1853 break; 1854 default: 1855 return -EINVAL; 1856 } 1857 1858 return 0; 1859 } 1860 1861 /** 1862 * i40e_get_ethtool_fdir_all - Populates the rule count of a command 1863 * @pf: Pointer to the physical function struct 1864 * @cmd: The command to get or set Rx flow classification rules 1865 * @rule_locs: Array of used rule locations 1866 * 1867 * This function populates both the total and actual rule count of 1868 * the ethtool flow classification command 1869 * 1870 * Returns 0 on success or -EMSGSIZE if entry not found 1871 **/ 1872 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf, 1873 struct ethtool_rxnfc *cmd, 1874 u32 *rule_locs) 1875 { 1876 struct i40e_fdir_filter *rule; 1877 struct hlist_node *node2; 1878 int cnt = 0; 1879 1880 /* report total rule count */ 1881 cmd->data = i40e_get_fd_cnt_all(pf); 1882 1883 hlist_for_each_entry_safe(rule, node2, 1884 &pf->fdir_filter_list, fdir_node) { 1885 if (cnt == cmd->rule_cnt) 1886 return -EMSGSIZE; 1887 1888 rule_locs[cnt] = rule->fd_id; 1889 cnt++; 1890 } 1891 1892 cmd->rule_cnt = cnt; 1893 1894 return 0; 1895 } 1896 1897 /** 1898 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow 1899 * @pf: Pointer to the physical function struct 1900 * @cmd: The command to get or set Rx flow classification rules 1901 * 1902 * This function looks up a filter based on the Rx flow classification 1903 * command and fills the flow spec info for it if found 1904 * 1905 * Returns 0 on success or -EINVAL if filter not found 1906 **/ 1907 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf, 1908 struct ethtool_rxnfc *cmd) 1909 { 1910 struct ethtool_rx_flow_spec *fsp = 1911 (struct ethtool_rx_flow_spec *)&cmd->fs; 1912 struct i40e_fdir_filter *rule = NULL; 1913 struct hlist_node *node2; 1914 1915 hlist_for_each_entry_safe(rule, node2, 1916 &pf->fdir_filter_list, fdir_node) { 1917 if (fsp->location <= rule->fd_id) 1918 break; 1919 } 1920 1921 if (!rule || fsp->location != rule->fd_id) 1922 return -EINVAL; 1923 1924 fsp->flow_type = rule->flow_type; 1925 if (fsp->flow_type == IP_USER_FLOW) { 1926 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; 1927 fsp->h_u.usr_ip4_spec.proto = 0; 1928 fsp->m_u.usr_ip4_spec.proto = 0; 1929 } 1930 1931 /* Reverse the src and dest notion, since the HW views them from 1932 * Tx perspective where as the user expects it from Rx filter view. 1933 */ 1934 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port; 1935 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port; 1936 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0]; 1937 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0]; 1938 1939 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET) 1940 fsp->ring_cookie = RX_CLS_FLOW_DISC; 1941 else 1942 fsp->ring_cookie = rule->q_index; 1943 1944 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) { 1945 struct i40e_vsi *vsi; 1946 1947 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi); 1948 if (vsi && vsi->type == I40E_VSI_SRIOV) { 1949 fsp->h_ext.data[1] = htonl(vsi->vf_id); 1950 fsp->m_ext.data[1] = htonl(0x1); 1951 } 1952 } 1953 1954 return 0; 1955 } 1956 1957 /** 1958 * i40e_get_rxnfc - command to get RX flow classification rules 1959 * @netdev: network interface device structure 1960 * @cmd: ethtool rxnfc command 1961 * 1962 * Returns Success if the command is supported. 1963 **/ 1964 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 1965 u32 *rule_locs) 1966 { 1967 struct i40e_netdev_priv *np = netdev_priv(netdev); 1968 struct i40e_vsi *vsi = np->vsi; 1969 struct i40e_pf *pf = vsi->back; 1970 int ret = -EOPNOTSUPP; 1971 1972 switch (cmd->cmd) { 1973 case ETHTOOL_GRXRINGS: 1974 cmd->data = vsi->alloc_queue_pairs; 1975 ret = 0; 1976 break; 1977 case ETHTOOL_GRXFH: 1978 ret = i40e_get_rss_hash_opts(pf, cmd); 1979 break; 1980 case ETHTOOL_GRXCLSRLCNT: 1981 cmd->rule_cnt = pf->fdir_pf_active_filters; 1982 /* report total rule count */ 1983 cmd->data = i40e_get_fd_cnt_all(pf); 1984 ret = 0; 1985 break; 1986 case ETHTOOL_GRXCLSRULE: 1987 ret = i40e_get_ethtool_fdir_entry(pf, cmd); 1988 break; 1989 case ETHTOOL_GRXCLSRLALL: 1990 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs); 1991 break; 1992 default: 1993 break; 1994 } 1995 1996 return ret; 1997 } 1998 1999 /** 2000 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2001 * @pf: pointer to the physical function struct 2002 * @cmd: ethtool rxnfc command 2003 * 2004 * Returns Success if the flow input set is supported. 2005 **/ 2006 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc) 2007 { 2008 struct i40e_hw *hw = &pf->hw; 2009 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) | 2010 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32); 2011 2012 /* RSS does not support anything other than hashing 2013 * to queues on src and dst IPs and ports 2014 */ 2015 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | 2016 RXH_L4_B_0_1 | RXH_L4_B_2_3)) 2017 return -EINVAL; 2018 2019 /* We need at least the IP SRC and DEST fields for hashing */ 2020 if (!(nfc->data & RXH_IP_SRC) || 2021 !(nfc->data & RXH_IP_DST)) 2022 return -EINVAL; 2023 2024 switch (nfc->flow_type) { 2025 case TCP_V4_FLOW: 2026 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2027 case 0: 2028 hena &= ~((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 2029 break; 2030 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2031 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 2032 break; 2033 default: 2034 return -EINVAL; 2035 } 2036 break; 2037 case TCP_V6_FLOW: 2038 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2039 case 0: 2040 hena &= ~((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 2041 break; 2042 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2043 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 2044 break; 2045 default: 2046 return -EINVAL; 2047 } 2048 break; 2049 case UDP_V4_FLOW: 2050 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2051 case 0: 2052 hena &= ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 2053 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4)); 2054 break; 2055 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2056 hena |= (((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 2057 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4)); 2058 break; 2059 default: 2060 return -EINVAL; 2061 } 2062 break; 2063 case UDP_V6_FLOW: 2064 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2065 case 0: 2066 hena &= ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 2067 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6)); 2068 break; 2069 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2070 hena |= (((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 2071 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6)); 2072 break; 2073 default: 2074 return -EINVAL; 2075 } 2076 break; 2077 case AH_ESP_V4_FLOW: 2078 case AH_V4_FLOW: 2079 case ESP_V4_FLOW: 2080 case SCTP_V4_FLOW: 2081 if ((nfc->data & RXH_L4_B_0_1) || 2082 (nfc->data & RXH_L4_B_2_3)) 2083 return -EINVAL; 2084 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER); 2085 break; 2086 case AH_ESP_V6_FLOW: 2087 case AH_V6_FLOW: 2088 case ESP_V6_FLOW: 2089 case SCTP_V6_FLOW: 2090 if ((nfc->data & RXH_L4_B_0_1) || 2091 (nfc->data & RXH_L4_B_2_3)) 2092 return -EINVAL; 2093 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER); 2094 break; 2095 case IPV4_FLOW: 2096 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) | 2097 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4); 2098 break; 2099 case IPV6_FLOW: 2100 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) | 2101 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6); 2102 break; 2103 default: 2104 return -EINVAL; 2105 } 2106 2107 wr32(hw, I40E_PFQF_HENA(0), (u32)hena); 2108 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32)); 2109 i40e_flush(hw); 2110 2111 /* Save setting for future output/update */ 2112 pf->vsi[pf->lan_vsi]->rxnfc = *nfc; 2113 2114 return 0; 2115 } 2116 2117 /** 2118 * i40e_match_fdir_input_set - Match a new filter against an existing one 2119 * @rule: The filter already added 2120 * @input: The new filter to comapre against 2121 * 2122 * Returns true if the two input set match 2123 **/ 2124 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule, 2125 struct i40e_fdir_filter *input) 2126 { 2127 if ((rule->dst_ip[0] != input->dst_ip[0]) || 2128 (rule->src_ip[0] != input->src_ip[0]) || 2129 (rule->dst_port != input->dst_port) || 2130 (rule->src_port != input->src_port)) 2131 return false; 2132 return true; 2133 } 2134 2135 /** 2136 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry 2137 * @vsi: Pointer to the targeted VSI 2138 * @input: The filter to update or NULL to indicate deletion 2139 * @sw_idx: Software index to the filter 2140 * @cmd: The command to get or set Rx flow classification rules 2141 * 2142 * This function updates (or deletes) a Flow Director entry from 2143 * the hlist of the corresponding PF 2144 * 2145 * Returns 0 on success 2146 **/ 2147 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi, 2148 struct i40e_fdir_filter *input, 2149 u16 sw_idx, 2150 struct ethtool_rxnfc *cmd) 2151 { 2152 struct i40e_fdir_filter *rule, *parent; 2153 struct i40e_pf *pf = vsi->back; 2154 struct hlist_node *node2; 2155 int err = -EINVAL; 2156 2157 parent = NULL; 2158 rule = NULL; 2159 2160 hlist_for_each_entry_safe(rule, node2, 2161 &pf->fdir_filter_list, fdir_node) { 2162 /* hash found, or no matching entry */ 2163 if (rule->fd_id >= sw_idx) 2164 break; 2165 parent = rule; 2166 } 2167 2168 /* if there is an old rule occupying our place remove it */ 2169 if (rule && (rule->fd_id == sw_idx)) { 2170 if (input && !i40e_match_fdir_input_set(rule, input)) 2171 err = i40e_add_del_fdir(vsi, rule, false); 2172 else if (!input) 2173 err = i40e_add_del_fdir(vsi, rule, false); 2174 hlist_del(&rule->fdir_node); 2175 kfree(rule); 2176 pf->fdir_pf_active_filters--; 2177 } 2178 2179 /* If no input this was a delete, err should be 0 if a rule was 2180 * successfully found and removed from the list else -EINVAL 2181 */ 2182 if (!input) 2183 return err; 2184 2185 /* initialize node and set software index */ 2186 INIT_HLIST_NODE(&input->fdir_node); 2187 2188 /* add filter to the list */ 2189 if (parent) 2190 hlist_add_behind(&input->fdir_node, &parent->fdir_node); 2191 else 2192 hlist_add_head(&input->fdir_node, 2193 &pf->fdir_filter_list); 2194 2195 /* update counts */ 2196 pf->fdir_pf_active_filters++; 2197 2198 return 0; 2199 } 2200 2201 /** 2202 * i40e_del_fdir_entry - Deletes a Flow Director filter entry 2203 * @vsi: Pointer to the targeted VSI 2204 * @cmd: The command to get or set Rx flow classification rules 2205 * 2206 * The function removes a Flow Director filter entry from the 2207 * hlist of the corresponding PF 2208 * 2209 * Returns 0 on success 2210 */ 2211 static int i40e_del_fdir_entry(struct i40e_vsi *vsi, 2212 struct ethtool_rxnfc *cmd) 2213 { 2214 struct ethtool_rx_flow_spec *fsp = 2215 (struct ethtool_rx_flow_spec *)&cmd->fs; 2216 struct i40e_pf *pf = vsi->back; 2217 int ret = 0; 2218 2219 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2220 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2221 return -EBUSY; 2222 2223 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2224 return -EBUSY; 2225 2226 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd); 2227 2228 i40e_fdir_check_and_reenable(pf); 2229 return ret; 2230 } 2231 2232 /** 2233 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters 2234 * @vsi: pointer to the targeted VSI 2235 * @cmd: command to get or set RX flow classification rules 2236 * 2237 * Add Flow Director filters for a specific flow spec based on their 2238 * protocol. Returns 0 if the filters were successfully added. 2239 **/ 2240 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, 2241 struct ethtool_rxnfc *cmd) 2242 { 2243 struct ethtool_rx_flow_spec *fsp; 2244 struct i40e_fdir_filter *input; 2245 struct i40e_pf *pf; 2246 int ret = -EINVAL; 2247 u16 vf_id; 2248 2249 if (!vsi) 2250 return -EINVAL; 2251 2252 pf = vsi->back; 2253 2254 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 2255 return -EOPNOTSUPP; 2256 2257 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED) 2258 return -ENOSPC; 2259 2260 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2261 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2262 return -EBUSY; 2263 2264 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2265 return -EBUSY; 2266 2267 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs; 2268 2269 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort + 2270 pf->hw.func_caps.fd_filters_guaranteed)) { 2271 return -EINVAL; 2272 } 2273 2274 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) && 2275 (fsp->ring_cookie >= vsi->num_queue_pairs)) 2276 return -EINVAL; 2277 2278 input = kzalloc(sizeof(*input), GFP_KERNEL); 2279 2280 if (!input) 2281 return -ENOMEM; 2282 2283 input->fd_id = fsp->location; 2284 2285 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) 2286 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET; 2287 else 2288 input->dest_ctl = 2289 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX; 2290 2291 input->q_index = fsp->ring_cookie; 2292 input->flex_off = 0; 2293 input->pctype = 0; 2294 input->dest_vsi = vsi->id; 2295 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID; 2296 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id); 2297 input->flow_type = fsp->flow_type; 2298 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto; 2299 2300 /* Reverse the src and dest notion, since the HW expects them to be from 2301 * Tx perspective where as the input from user is from Rx filter view. 2302 */ 2303 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc; 2304 input->src_port = fsp->h_u.tcp_ip4_spec.pdst; 2305 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src; 2306 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst; 2307 2308 if (ntohl(fsp->m_ext.data[1])) { 2309 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) { 2310 netif_info(pf, drv, vsi->netdev, "Invalid VF id\n"); 2311 goto free_input; 2312 } 2313 vf_id = ntohl(fsp->h_ext.data[1]); 2314 /* Find vsi id from vf id and override dest vsi */ 2315 input->dest_vsi = pf->vf[vf_id].lan_vsi_id; 2316 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) { 2317 netif_info(pf, drv, vsi->netdev, "Invalid queue id\n"); 2318 goto free_input; 2319 } 2320 } 2321 2322 ret = i40e_add_del_fdir(vsi, input, true); 2323 free_input: 2324 if (ret) 2325 kfree(input); 2326 else 2327 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL); 2328 2329 return ret; 2330 } 2331 2332 /** 2333 * i40e_set_rxnfc - command to set RX flow classification rules 2334 * @netdev: network interface device structure 2335 * @cmd: ethtool rxnfc command 2336 * 2337 * Returns Success if the command is supported. 2338 **/ 2339 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2340 { 2341 struct i40e_netdev_priv *np = netdev_priv(netdev); 2342 struct i40e_vsi *vsi = np->vsi; 2343 struct i40e_pf *pf = vsi->back; 2344 int ret = -EOPNOTSUPP; 2345 2346 switch (cmd->cmd) { 2347 case ETHTOOL_SRXFH: 2348 ret = i40e_set_rss_hash_opt(pf, cmd); 2349 break; 2350 case ETHTOOL_SRXCLSRLINS: 2351 ret = i40e_add_fdir_ethtool(vsi, cmd); 2352 break; 2353 case ETHTOOL_SRXCLSRLDEL: 2354 ret = i40e_del_fdir_entry(vsi, cmd); 2355 break; 2356 default: 2357 break; 2358 } 2359 2360 return ret; 2361 } 2362 2363 /** 2364 * i40e_max_channels - get Max number of combined channels supported 2365 * @vsi: vsi pointer 2366 **/ 2367 static unsigned int i40e_max_channels(struct i40e_vsi *vsi) 2368 { 2369 /* TODO: This code assumes DCB and FD is disabled for now. */ 2370 return vsi->alloc_queue_pairs; 2371 } 2372 2373 /** 2374 * i40e_get_channels - Get the current channels enabled and max supported etc. 2375 * @netdev: network interface device structure 2376 * @ch: ethtool channels structure 2377 * 2378 * We don't support separate tx and rx queues as channels. The other count 2379 * represents how many queues are being used for control. max_combined counts 2380 * how many queue pairs we can support. They may not be mapped 1 to 1 with 2381 * q_vectors since we support a lot more queue pairs than q_vectors. 2382 **/ 2383 static void i40e_get_channels(struct net_device *dev, 2384 struct ethtool_channels *ch) 2385 { 2386 struct i40e_netdev_priv *np = netdev_priv(dev); 2387 struct i40e_vsi *vsi = np->vsi; 2388 struct i40e_pf *pf = vsi->back; 2389 2390 /* report maximum channels */ 2391 ch->max_combined = i40e_max_channels(vsi); 2392 2393 /* report info for other vector */ 2394 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0; 2395 ch->max_other = ch->other_count; 2396 2397 /* Note: This code assumes DCB is disabled for now. */ 2398 ch->combined_count = vsi->num_queue_pairs; 2399 } 2400 2401 /** 2402 * i40e_set_channels - Set the new channels count. 2403 * @netdev: network interface device structure 2404 * @ch: ethtool channels structure 2405 * 2406 * The new channels count may not be the same as requested by the user 2407 * since it gets rounded down to a power of 2 value. 2408 **/ 2409 static int i40e_set_channels(struct net_device *dev, 2410 struct ethtool_channels *ch) 2411 { 2412 struct i40e_netdev_priv *np = netdev_priv(dev); 2413 unsigned int count = ch->combined_count; 2414 struct i40e_vsi *vsi = np->vsi; 2415 struct i40e_pf *pf = vsi->back; 2416 int new_count; 2417 2418 /* We do not support setting channels for any other VSI at present */ 2419 if (vsi->type != I40E_VSI_MAIN) 2420 return -EINVAL; 2421 2422 /* verify they are not requesting separate vectors */ 2423 if (!count || ch->rx_count || ch->tx_count) 2424 return -EINVAL; 2425 2426 /* verify other_count has not changed */ 2427 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0)) 2428 return -EINVAL; 2429 2430 /* verify the number of channels does not exceed hardware limits */ 2431 if (count > i40e_max_channels(vsi)) 2432 return -EINVAL; 2433 2434 /* update feature limits from largest to smallest supported values */ 2435 /* TODO: Flow director limit, DCB etc */ 2436 2437 /* use rss_reconfig to rebuild with new queue count and update traffic 2438 * class queue mapping 2439 */ 2440 new_count = i40e_reconfig_rss_queues(pf, count); 2441 if (new_count > 0) 2442 return 0; 2443 else 2444 return -EINVAL; 2445 } 2446 2447 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4) 2448 /** 2449 * i40e_get_rxfh_key_size - get the RSS hash key size 2450 * @netdev: network interface device structure 2451 * 2452 * Returns the table size. 2453 **/ 2454 static u32 i40e_get_rxfh_key_size(struct net_device *netdev) 2455 { 2456 return I40E_HKEY_ARRAY_SIZE; 2457 } 2458 2459 /** 2460 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size 2461 * @netdev: network interface device structure 2462 * 2463 * Returns the table size. 2464 **/ 2465 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev) 2466 { 2467 return I40E_HLUT_ARRAY_SIZE; 2468 } 2469 2470 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, 2471 u8 *hfunc) 2472 { 2473 struct i40e_netdev_priv *np = netdev_priv(netdev); 2474 struct i40e_vsi *vsi = np->vsi; 2475 struct i40e_pf *pf = vsi->back; 2476 struct i40e_hw *hw = &pf->hw; 2477 u32 reg_val; 2478 int i, j; 2479 2480 if (hfunc) 2481 *hfunc = ETH_RSS_HASH_TOP; 2482 2483 if (!indir) 2484 return 0; 2485 2486 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) { 2487 reg_val = rd32(hw, I40E_PFQF_HLUT(i)); 2488 indir[j++] = reg_val & 0xff; 2489 indir[j++] = (reg_val >> 8) & 0xff; 2490 indir[j++] = (reg_val >> 16) & 0xff; 2491 indir[j++] = (reg_val >> 24) & 0xff; 2492 } 2493 2494 if (key) { 2495 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) { 2496 reg_val = rd32(hw, I40E_PFQF_HKEY(i)); 2497 key[j++] = (u8)(reg_val & 0xff); 2498 key[j++] = (u8)((reg_val >> 8) & 0xff); 2499 key[j++] = (u8)((reg_val >> 16) & 0xff); 2500 key[j++] = (u8)((reg_val >> 24) & 0xff); 2501 } 2502 } 2503 return 0; 2504 } 2505 2506 /** 2507 * i40e_set_rxfh - set the rx flow hash indirection table 2508 * @netdev: network interface device structure 2509 * @indir: indirection table 2510 * @key: hash key 2511 * 2512 * Returns -EINVAL if the table specifies an inavlid queue id, otherwise 2513 * returns 0 after programming the table. 2514 **/ 2515 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir, 2516 const u8 *key, const u8 hfunc) 2517 { 2518 struct i40e_netdev_priv *np = netdev_priv(netdev); 2519 struct i40e_vsi *vsi = np->vsi; 2520 struct i40e_pf *pf = vsi->back; 2521 struct i40e_hw *hw = &pf->hw; 2522 u32 reg_val; 2523 int i, j; 2524 2525 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 2526 return -EOPNOTSUPP; 2527 2528 if (!indir) 2529 return 0; 2530 2531 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) { 2532 reg_val = indir[j++]; 2533 reg_val |= indir[j++] << 8; 2534 reg_val |= indir[j++] << 16; 2535 reg_val |= indir[j++] << 24; 2536 wr32(hw, I40E_PFQF_HLUT(i), reg_val); 2537 } 2538 2539 if (key) { 2540 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) { 2541 reg_val = key[j++]; 2542 reg_val |= key[j++] << 8; 2543 reg_val |= key[j++] << 16; 2544 reg_val |= key[j++] << 24; 2545 wr32(hw, I40E_PFQF_HKEY(i), reg_val); 2546 } 2547 } 2548 return 0; 2549 } 2550 2551 /** 2552 * i40e_get_priv_flags - report device private flags 2553 * @dev: network interface device structure 2554 * 2555 * The get string set count and the string set should be matched for each 2556 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings 2557 * array. 2558 * 2559 * Returns a u32 bitmap of flags. 2560 **/ 2561 static u32 i40e_get_priv_flags(struct net_device *dev) 2562 { 2563 struct i40e_netdev_priv *np = netdev_priv(dev); 2564 struct i40e_vsi *vsi = np->vsi; 2565 struct i40e_pf *pf = vsi->back; 2566 u32 ret_flags = 0; 2567 2568 ret_flags |= pf->hw.func_caps.npar_enable ? 2569 I40E_PRIV_FLAGS_NPAR_FLAG : 0; 2570 2571 return ret_flags; 2572 } 2573 2574 static const struct ethtool_ops i40e_ethtool_ops = { 2575 .get_settings = i40e_get_settings, 2576 .set_settings = i40e_set_settings, 2577 .get_drvinfo = i40e_get_drvinfo, 2578 .get_regs_len = i40e_get_regs_len, 2579 .get_regs = i40e_get_regs, 2580 .nway_reset = i40e_nway_reset, 2581 .get_link = ethtool_op_get_link, 2582 .get_wol = i40e_get_wol, 2583 .set_wol = i40e_set_wol, 2584 .set_eeprom = i40e_set_eeprom, 2585 .get_eeprom_len = i40e_get_eeprom_len, 2586 .get_eeprom = i40e_get_eeprom, 2587 .get_ringparam = i40e_get_ringparam, 2588 .set_ringparam = i40e_set_ringparam, 2589 .get_pauseparam = i40e_get_pauseparam, 2590 .set_pauseparam = i40e_set_pauseparam, 2591 .get_msglevel = i40e_get_msglevel, 2592 .set_msglevel = i40e_set_msglevel, 2593 .get_rxnfc = i40e_get_rxnfc, 2594 .set_rxnfc = i40e_set_rxnfc, 2595 .self_test = i40e_diag_test, 2596 .get_strings = i40e_get_strings, 2597 .set_phys_id = i40e_set_phys_id, 2598 .get_sset_count = i40e_get_sset_count, 2599 .get_ethtool_stats = i40e_get_ethtool_stats, 2600 .get_coalesce = i40e_get_coalesce, 2601 .set_coalesce = i40e_set_coalesce, 2602 .get_rxfh_key_size = i40e_get_rxfh_key_size, 2603 .get_rxfh_indir_size = i40e_get_rxfh_indir_size, 2604 .get_rxfh = i40e_get_rxfh, 2605 .set_rxfh = i40e_set_rxfh, 2606 .get_channels = i40e_get_channels, 2607 .set_channels = i40e_set_channels, 2608 .get_ts_info = i40e_get_ts_info, 2609 .get_priv_flags = i40e_get_priv_flags, 2610 }; 2611 2612 void i40e_set_ethtool_ops(struct net_device *netdev) 2613 { 2614 netdev->ethtool_ops = &i40e_ethtool_ops; 2615 } 2616