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_atr_status", stats.fd_atr_status), 152 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match), 153 I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status), 154 155 /* LPI stats */ 156 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status), 157 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status), 158 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count), 159 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count), 160 }; 161 162 #ifdef I40E_FCOE 163 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = { 164 I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc), 165 I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped), 166 I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets), 167 I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords), 168 I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count), 169 I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error), 170 I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets), 171 I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords), 172 }; 173 174 #endif /* I40E_FCOE */ 175 #define I40E_QUEUE_STATS_LEN(n) \ 176 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \ 177 * 2 /* Tx and Rx together */ \ 178 * (sizeof(struct i40e_queue_stats) / sizeof(u64))) 179 #define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats) 180 #define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats) 181 #define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats) 182 #ifdef I40E_FCOE 183 #define I40E_FCOE_STATS_LEN ARRAY_SIZE(i40e_gstrings_fcoe_stats) 184 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ 185 I40E_FCOE_STATS_LEN + \ 186 I40E_MISC_STATS_LEN + \ 187 I40E_QUEUE_STATS_LEN((n))) 188 #else 189 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ 190 I40E_MISC_STATS_LEN + \ 191 I40E_QUEUE_STATS_LEN((n))) 192 #endif /* I40E_FCOE */ 193 #define I40E_PFC_STATS_LEN ( \ 194 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \ 195 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \ 196 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \ 197 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \ 198 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \ 199 / sizeof(u64)) 200 #define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats) 201 #define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \ 202 I40E_PFC_STATS_LEN + \ 203 I40E_VSI_STATS_LEN((n))) 204 205 enum i40e_ethtool_test_id { 206 I40E_ETH_TEST_REG = 0, 207 I40E_ETH_TEST_EEPROM, 208 I40E_ETH_TEST_INTR, 209 I40E_ETH_TEST_LOOPBACK, 210 I40E_ETH_TEST_LINK, 211 }; 212 213 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = { 214 "Register test (offline)", 215 "Eeprom test (offline)", 216 "Interrupt test (offline)", 217 "Loopback test (offline)", 218 "Link test (on/offline)" 219 }; 220 221 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN) 222 223 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = { 224 "NPAR", 225 }; 226 227 #define I40E_PRIV_FLAGS_STR_LEN \ 228 (sizeof(i40e_priv_flags_strings) / ETH_GSTRING_LEN) 229 230 /** 231 * i40e_partition_setting_complaint - generic complaint for MFP restriction 232 * @pf: the PF struct 233 **/ 234 static void i40e_partition_setting_complaint(struct i40e_pf *pf) 235 { 236 dev_info(&pf->pdev->dev, 237 "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"); 238 } 239 240 /** 241 * i40e_get_settings_link_up - Get the Link settings for when link is up 242 * @hw: hw structure 243 * @ecmd: ethtool command to fill in 244 * @netdev: network interface device structure 245 * 246 **/ 247 static void i40e_get_settings_link_up(struct i40e_hw *hw, 248 struct ethtool_cmd *ecmd, 249 struct net_device *netdev) 250 { 251 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 252 u32 link_speed = hw_link_info->link_speed; 253 254 /* Initialize supported and advertised settings based on phy settings */ 255 switch (hw_link_info->phy_type) { 256 case I40E_PHY_TYPE_40GBASE_CR4: 257 case I40E_PHY_TYPE_40GBASE_CR4_CU: 258 ecmd->supported = SUPPORTED_Autoneg | 259 SUPPORTED_40000baseCR4_Full; 260 ecmd->advertising = ADVERTISED_Autoneg | 261 ADVERTISED_40000baseCR4_Full; 262 break; 263 case I40E_PHY_TYPE_XLAUI: 264 case I40E_PHY_TYPE_XLPPI: 265 case I40E_PHY_TYPE_40GBASE_AOC: 266 ecmd->supported = SUPPORTED_40000baseCR4_Full; 267 break; 268 case I40E_PHY_TYPE_40GBASE_KR4: 269 ecmd->supported = SUPPORTED_Autoneg | 270 SUPPORTED_40000baseKR4_Full; 271 ecmd->advertising = ADVERTISED_Autoneg | 272 ADVERTISED_40000baseKR4_Full; 273 break; 274 case I40E_PHY_TYPE_40GBASE_SR4: 275 ecmd->supported = SUPPORTED_40000baseSR4_Full; 276 break; 277 case I40E_PHY_TYPE_40GBASE_LR4: 278 ecmd->supported = SUPPORTED_40000baseLR4_Full; 279 break; 280 case I40E_PHY_TYPE_20GBASE_KR2: 281 ecmd->supported = SUPPORTED_Autoneg | 282 SUPPORTED_20000baseKR2_Full; 283 ecmd->advertising = ADVERTISED_Autoneg | 284 ADVERTISED_20000baseKR2_Full; 285 break; 286 case I40E_PHY_TYPE_10GBASE_KX4: 287 ecmd->supported = SUPPORTED_Autoneg | 288 SUPPORTED_10000baseKX4_Full; 289 ecmd->advertising = ADVERTISED_Autoneg | 290 ADVERTISED_10000baseKX4_Full; 291 break; 292 case I40E_PHY_TYPE_10GBASE_KR: 293 ecmd->supported = SUPPORTED_Autoneg | 294 SUPPORTED_10000baseKR_Full; 295 ecmd->advertising = ADVERTISED_Autoneg | 296 ADVERTISED_10000baseKR_Full; 297 break; 298 case I40E_PHY_TYPE_10GBASE_SR: 299 case I40E_PHY_TYPE_10GBASE_LR: 300 case I40E_PHY_TYPE_1000BASE_SX: 301 case I40E_PHY_TYPE_1000BASE_LX: 302 ecmd->supported = SUPPORTED_10000baseT_Full | 303 SUPPORTED_1000baseT_Full; 304 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 305 ecmd->advertising |= ADVERTISED_10000baseT_Full; 306 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 307 ecmd->advertising |= ADVERTISED_1000baseT_Full; 308 break; 309 case I40E_PHY_TYPE_1000BASE_KX: 310 ecmd->supported = SUPPORTED_Autoneg | 311 SUPPORTED_1000baseKX_Full; 312 ecmd->advertising = ADVERTISED_Autoneg | 313 ADVERTISED_1000baseKX_Full; 314 break; 315 case I40E_PHY_TYPE_10GBASE_T: 316 case I40E_PHY_TYPE_1000BASE_T: 317 case I40E_PHY_TYPE_100BASE_TX: 318 ecmd->supported = SUPPORTED_Autoneg | 319 SUPPORTED_10000baseT_Full | 320 SUPPORTED_1000baseT_Full | 321 SUPPORTED_100baseT_Full; 322 ecmd->advertising = ADVERTISED_Autoneg; 323 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 324 ecmd->advertising |= ADVERTISED_10000baseT_Full; 325 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 326 ecmd->advertising |= ADVERTISED_1000baseT_Full; 327 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 328 ecmd->advertising |= ADVERTISED_100baseT_Full; 329 break; 330 case I40E_PHY_TYPE_10GBASE_CR1_CU: 331 case I40E_PHY_TYPE_10GBASE_CR1: 332 ecmd->supported = SUPPORTED_Autoneg | 333 SUPPORTED_10000baseT_Full; 334 ecmd->advertising = ADVERTISED_Autoneg | 335 ADVERTISED_10000baseT_Full; 336 break; 337 case I40E_PHY_TYPE_XAUI: 338 case I40E_PHY_TYPE_XFI: 339 case I40E_PHY_TYPE_SFI: 340 case I40E_PHY_TYPE_10GBASE_SFPP_CU: 341 case I40E_PHY_TYPE_10GBASE_AOC: 342 ecmd->supported = SUPPORTED_10000baseT_Full; 343 break; 344 case I40E_PHY_TYPE_SGMII: 345 ecmd->supported = SUPPORTED_Autoneg | 346 SUPPORTED_1000baseT_Full | 347 SUPPORTED_100baseT_Full; 348 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 349 ecmd->advertising |= ADVERTISED_1000baseT_Full; 350 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 351 ecmd->advertising |= ADVERTISED_100baseT_Full; 352 break; 353 default: 354 /* if we got here and link is up something bad is afoot */ 355 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n", 356 hw_link_info->phy_type); 357 } 358 359 /* Set speed and duplex */ 360 switch (link_speed) { 361 case I40E_LINK_SPEED_40GB: 362 ethtool_cmd_speed_set(ecmd, SPEED_40000); 363 break; 364 case I40E_LINK_SPEED_20GB: 365 ethtool_cmd_speed_set(ecmd, SPEED_20000); 366 break; 367 case I40E_LINK_SPEED_10GB: 368 ethtool_cmd_speed_set(ecmd, SPEED_10000); 369 break; 370 case I40E_LINK_SPEED_1GB: 371 ethtool_cmd_speed_set(ecmd, SPEED_1000); 372 break; 373 case I40E_LINK_SPEED_100MB: 374 ethtool_cmd_speed_set(ecmd, SPEED_100); 375 break; 376 default: 377 break; 378 } 379 ecmd->duplex = DUPLEX_FULL; 380 } 381 382 /** 383 * i40e_get_settings_link_down - Get the Link settings for when link is down 384 * @hw: hw structure 385 * @ecmd: ethtool command to fill in 386 * 387 * Reports link settings that can be determined when link is down 388 **/ 389 static void i40e_get_settings_link_down(struct i40e_hw *hw, 390 struct ethtool_cmd *ecmd) 391 { 392 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 393 394 /* link is down and the driver needs to fall back on 395 * device ID to determine what kinds of info to display, 396 * it's mostly a guess that may change when link is up 397 */ 398 switch (hw->device_id) { 399 case I40E_DEV_ID_QSFP_A: 400 case I40E_DEV_ID_QSFP_B: 401 case I40E_DEV_ID_QSFP_C: 402 /* pluggable QSFP */ 403 ecmd->supported = SUPPORTED_40000baseSR4_Full | 404 SUPPORTED_40000baseCR4_Full | 405 SUPPORTED_40000baseLR4_Full; 406 ecmd->advertising = ADVERTISED_40000baseSR4_Full | 407 ADVERTISED_40000baseCR4_Full | 408 ADVERTISED_40000baseLR4_Full; 409 break; 410 case I40E_DEV_ID_KX_B: 411 /* backplane 40G */ 412 ecmd->supported = SUPPORTED_40000baseKR4_Full; 413 ecmd->advertising = ADVERTISED_40000baseKR4_Full; 414 break; 415 case I40E_DEV_ID_KX_C: 416 /* backplane 10G */ 417 ecmd->supported = SUPPORTED_10000baseKR_Full; 418 ecmd->advertising = ADVERTISED_10000baseKR_Full; 419 break; 420 case I40E_DEV_ID_10G_BASE_T: 421 ecmd->supported = SUPPORTED_10000baseT_Full | 422 SUPPORTED_1000baseT_Full | 423 SUPPORTED_100baseT_Full; 424 /* Figure out what has been requested */ 425 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 426 ecmd->advertising |= ADVERTISED_10000baseT_Full; 427 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 428 ecmd->advertising |= ADVERTISED_1000baseT_Full; 429 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 430 ecmd->advertising |= ADVERTISED_100baseT_Full; 431 break; 432 case I40E_DEV_ID_20G_KR2: 433 /* backplane 20G */ 434 ecmd->supported = SUPPORTED_20000baseKR2_Full; 435 ecmd->advertising = ADVERTISED_20000baseKR2_Full; 436 break; 437 default: 438 /* all the rest are 10G/1G */ 439 ecmd->supported = SUPPORTED_10000baseT_Full | 440 SUPPORTED_1000baseT_Full; 441 /* Figure out what has been requested */ 442 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 443 ecmd->advertising |= ADVERTISED_10000baseT_Full; 444 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 445 ecmd->advertising |= ADVERTISED_1000baseT_Full; 446 break; 447 } 448 449 /* With no link speed and duplex are unknown */ 450 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN); 451 ecmd->duplex = DUPLEX_UNKNOWN; 452 } 453 454 /** 455 * i40e_get_settings - Get Link Speed and Duplex settings 456 * @netdev: network interface device structure 457 * @ecmd: ethtool command 458 * 459 * Reports speed/duplex settings based on media_type 460 **/ 461 static int i40e_get_settings(struct net_device *netdev, 462 struct ethtool_cmd *ecmd) 463 { 464 struct i40e_netdev_priv *np = netdev_priv(netdev); 465 struct i40e_pf *pf = np->vsi->back; 466 struct i40e_hw *hw = &pf->hw; 467 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 468 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 469 470 if (link_up) 471 i40e_get_settings_link_up(hw, ecmd, netdev); 472 else 473 i40e_get_settings_link_down(hw, ecmd); 474 475 /* Now set the settings that don't rely on link being up/down */ 476 477 /* Set autoneg settings */ 478 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 479 AUTONEG_ENABLE : AUTONEG_DISABLE); 480 481 switch (hw->phy.media_type) { 482 case I40E_MEDIA_TYPE_BACKPLANE: 483 ecmd->supported |= SUPPORTED_Autoneg | 484 SUPPORTED_Backplane; 485 ecmd->advertising |= ADVERTISED_Autoneg | 486 ADVERTISED_Backplane; 487 ecmd->port = PORT_NONE; 488 break; 489 case I40E_MEDIA_TYPE_BASET: 490 ecmd->supported |= SUPPORTED_TP; 491 ecmd->advertising |= ADVERTISED_TP; 492 ecmd->port = PORT_TP; 493 break; 494 case I40E_MEDIA_TYPE_DA: 495 case I40E_MEDIA_TYPE_CX4: 496 ecmd->supported |= SUPPORTED_FIBRE; 497 ecmd->advertising |= ADVERTISED_FIBRE; 498 ecmd->port = PORT_DA; 499 break; 500 case I40E_MEDIA_TYPE_FIBER: 501 ecmd->supported |= SUPPORTED_FIBRE; 502 ecmd->port = PORT_FIBRE; 503 break; 504 case I40E_MEDIA_TYPE_UNKNOWN: 505 default: 506 ecmd->port = PORT_OTHER; 507 break; 508 } 509 510 /* Set transceiver */ 511 ecmd->transceiver = XCVR_EXTERNAL; 512 513 /* Set flow control settings */ 514 ecmd->supported |= SUPPORTED_Pause; 515 516 switch (hw->fc.requested_mode) { 517 case I40E_FC_FULL: 518 ecmd->advertising |= ADVERTISED_Pause; 519 break; 520 case I40E_FC_TX_PAUSE: 521 ecmd->advertising |= ADVERTISED_Asym_Pause; 522 break; 523 case I40E_FC_RX_PAUSE: 524 ecmd->advertising |= (ADVERTISED_Pause | 525 ADVERTISED_Asym_Pause); 526 break; 527 default: 528 ecmd->advertising &= ~(ADVERTISED_Pause | 529 ADVERTISED_Asym_Pause); 530 break; 531 } 532 533 return 0; 534 } 535 536 /** 537 * i40e_set_settings - Set Speed and Duplex 538 * @netdev: network interface device structure 539 * @ecmd: ethtool command 540 * 541 * Set speed/duplex per media_types advertised/forced 542 **/ 543 static int i40e_set_settings(struct net_device *netdev, 544 struct ethtool_cmd *ecmd) 545 { 546 struct i40e_netdev_priv *np = netdev_priv(netdev); 547 struct i40e_aq_get_phy_abilities_resp abilities; 548 struct i40e_aq_set_phy_config config; 549 struct i40e_pf *pf = np->vsi->back; 550 struct i40e_vsi *vsi = np->vsi; 551 struct i40e_hw *hw = &pf->hw; 552 struct ethtool_cmd safe_ecmd; 553 i40e_status status = 0; 554 bool change = false; 555 int err = 0; 556 u8 autoneg; 557 u32 advertise; 558 559 /* Changing port settings is not supported if this isn't the 560 * port's controlling PF 561 */ 562 if (hw->partition_id != 1) { 563 i40e_partition_setting_complaint(pf); 564 return -EOPNOTSUPP; 565 } 566 567 if (vsi != pf->vsi[pf->lan_vsi]) 568 return -EOPNOTSUPP; 569 570 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET && 571 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER && 572 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE && 573 hw->phy.link_info.link_info & I40E_AQ_LINK_UP) 574 return -EOPNOTSUPP; 575 576 /* get our own copy of the bits to check against */ 577 memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd)); 578 i40e_get_settings(netdev, &safe_ecmd); 579 580 /* save autoneg and speed out of ecmd */ 581 autoneg = ecmd->autoneg; 582 advertise = ecmd->advertising; 583 584 /* set autoneg and speed back to what they currently are */ 585 ecmd->autoneg = safe_ecmd.autoneg; 586 ecmd->advertising = safe_ecmd.advertising; 587 588 ecmd->cmd = safe_ecmd.cmd; 589 /* If ecmd and safe_ecmd are not the same now, then they are 590 * trying to set something that we do not support 591 */ 592 if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd))) 593 return -EOPNOTSUPP; 594 595 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state)) 596 usleep_range(1000, 2000); 597 598 /* Get the current phy config */ 599 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities, 600 NULL); 601 if (status) 602 return -EAGAIN; 603 604 /* Copy abilities to config in case autoneg is not 605 * set below 606 */ 607 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config)); 608 config.abilities = abilities.abilities; 609 610 /* Check autoneg */ 611 if (autoneg == AUTONEG_ENABLE) { 612 /* If autoneg is not supported, return error */ 613 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) { 614 netdev_info(netdev, "Autoneg not supported on this phy\n"); 615 return -EINVAL; 616 } 617 /* If autoneg was not already enabled */ 618 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) { 619 config.abilities = abilities.abilities | 620 I40E_AQ_PHY_ENABLE_AN; 621 change = true; 622 } 623 } else { 624 /* If autoneg is supported 10GBASE_T is the only phy that 625 * can disable it, so otherwise return error 626 */ 627 if (safe_ecmd.supported & SUPPORTED_Autoneg && 628 hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) { 629 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 630 return -EINVAL; 631 } 632 /* If autoneg is currently enabled */ 633 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) { 634 config.abilities = abilities.abilities & 635 ~I40E_AQ_PHY_ENABLE_AN; 636 change = true; 637 } 638 } 639 640 if (advertise & ~safe_ecmd.supported) 641 return -EINVAL; 642 643 if (advertise & ADVERTISED_100baseT_Full) 644 config.link_speed |= I40E_LINK_SPEED_100MB; 645 if (advertise & ADVERTISED_1000baseT_Full || 646 advertise & ADVERTISED_1000baseKX_Full) 647 config.link_speed |= I40E_LINK_SPEED_1GB; 648 if (advertise & ADVERTISED_10000baseT_Full || 649 advertise & ADVERTISED_10000baseKX4_Full || 650 advertise & ADVERTISED_10000baseKR_Full) 651 config.link_speed |= I40E_LINK_SPEED_10GB; 652 if (advertise & ADVERTISED_20000baseKR2_Full) 653 config.link_speed |= I40E_LINK_SPEED_20GB; 654 if (advertise & ADVERTISED_40000baseKR4_Full || 655 advertise & ADVERTISED_40000baseCR4_Full || 656 advertise & ADVERTISED_40000baseSR4_Full || 657 advertise & ADVERTISED_40000baseLR4_Full) 658 config.link_speed |= I40E_LINK_SPEED_40GB; 659 660 if (change || (abilities.link_speed != config.link_speed)) { 661 /* copy over the rest of the abilities */ 662 config.phy_type = abilities.phy_type; 663 config.eee_capability = abilities.eee_capability; 664 config.eeer = abilities.eeer_val; 665 config.low_power_ctrl = abilities.d3_lpan; 666 667 /* save the requested speeds */ 668 hw->phy.link_info.requested_speeds = config.link_speed; 669 /* set link and auto negotiation so changes take effect */ 670 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK; 671 /* If link is up put link down */ 672 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) { 673 /* Tell the OS link is going down, the link will go 674 * back up when fw says it is ready asynchronously 675 */ 676 netdev_info(netdev, "PHY settings change requested, NIC Link is going down.\n"); 677 netif_carrier_off(netdev); 678 netif_tx_stop_all_queues(netdev); 679 } 680 681 /* make the aq call */ 682 status = i40e_aq_set_phy_config(hw, &config, NULL); 683 if (status) { 684 netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n", 685 i40e_stat_str(hw, status), 686 i40e_aq_str(hw, hw->aq.asq_last_status)); 687 return -EAGAIN; 688 } 689 690 status = i40e_aq_get_link_info(hw, true, NULL, NULL); 691 if (status) 692 netdev_info(netdev, "Updating link info failed with err %s aq_err %s\n", 693 i40e_stat_str(hw, status), 694 i40e_aq_str(hw, hw->aq.asq_last_status)); 695 696 } else { 697 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 698 } 699 700 return err; 701 } 702 703 static int i40e_nway_reset(struct net_device *netdev) 704 { 705 /* restart autonegotiation */ 706 struct i40e_netdev_priv *np = netdev_priv(netdev); 707 struct i40e_pf *pf = np->vsi->back; 708 struct i40e_hw *hw = &pf->hw; 709 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP; 710 i40e_status ret = 0; 711 712 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL); 713 if (ret) { 714 netdev_info(netdev, "link restart failed, err %s aq_err %s\n", 715 i40e_stat_str(hw, ret), 716 i40e_aq_str(hw, hw->aq.asq_last_status)); 717 return -EIO; 718 } 719 720 return 0; 721 } 722 723 /** 724 * i40e_get_pauseparam - Get Flow Control status 725 * Return tx/rx-pause status 726 **/ 727 static void i40e_get_pauseparam(struct net_device *netdev, 728 struct ethtool_pauseparam *pause) 729 { 730 struct i40e_netdev_priv *np = netdev_priv(netdev); 731 struct i40e_pf *pf = np->vsi->back; 732 struct i40e_hw *hw = &pf->hw; 733 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 734 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 735 736 pause->autoneg = 737 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 738 AUTONEG_ENABLE : AUTONEG_DISABLE); 739 740 /* PFC enabled so report LFC as off */ 741 if (dcbx_cfg->pfc.pfcenable) { 742 pause->rx_pause = 0; 743 pause->tx_pause = 0; 744 return; 745 } 746 747 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) { 748 pause->rx_pause = 1; 749 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) { 750 pause->tx_pause = 1; 751 } else if (hw->fc.current_mode == I40E_FC_FULL) { 752 pause->rx_pause = 1; 753 pause->tx_pause = 1; 754 } 755 } 756 757 /** 758 * i40e_set_pauseparam - Set Flow Control parameter 759 * @netdev: network interface device structure 760 * @pause: return tx/rx flow control status 761 **/ 762 static int i40e_set_pauseparam(struct net_device *netdev, 763 struct ethtool_pauseparam *pause) 764 { 765 struct i40e_netdev_priv *np = netdev_priv(netdev); 766 struct i40e_pf *pf = np->vsi->back; 767 struct i40e_vsi *vsi = np->vsi; 768 struct i40e_hw *hw = &pf->hw; 769 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 770 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 771 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 772 i40e_status status; 773 u8 aq_failures; 774 int err = 0; 775 776 /* Changing the port's flow control is not supported if this isn't the 777 * port's controlling PF 778 */ 779 if (hw->partition_id != 1) { 780 i40e_partition_setting_complaint(pf); 781 return -EOPNOTSUPP; 782 } 783 784 if (vsi != pf->vsi[pf->lan_vsi]) 785 return -EOPNOTSUPP; 786 787 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 788 AUTONEG_ENABLE : AUTONEG_DISABLE)) { 789 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 790 return -EOPNOTSUPP; 791 } 792 793 /* If we have link and don't have autoneg */ 794 if (!test_bit(__I40E_DOWN, &pf->state) && 795 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) { 796 /* Send message that it might not necessarily work*/ 797 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 798 } 799 800 if (dcbx_cfg->pfc.pfcenable) { 801 netdev_info(netdev, 802 "Priority flow control enabled. Cannot set link flow control.\n"); 803 return -EOPNOTSUPP; 804 } 805 806 if (pause->rx_pause && pause->tx_pause) 807 hw->fc.requested_mode = I40E_FC_FULL; 808 else if (pause->rx_pause && !pause->tx_pause) 809 hw->fc.requested_mode = I40E_FC_RX_PAUSE; 810 else if (!pause->rx_pause && pause->tx_pause) 811 hw->fc.requested_mode = I40E_FC_TX_PAUSE; 812 else if (!pause->rx_pause && !pause->tx_pause) 813 hw->fc.requested_mode = I40E_FC_NONE; 814 else 815 return -EINVAL; 816 817 /* Tell the OS link is going down, the link will go back up when fw 818 * says it is ready asynchronously 819 */ 820 netdev_info(netdev, "Flow control settings change requested, NIC Link is going down.\n"); 821 netif_carrier_off(netdev); 822 netif_tx_stop_all_queues(netdev); 823 824 /* Set the fc mode and only restart an if link is up*/ 825 status = i40e_set_fc(hw, &aq_failures, link_up); 826 827 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) { 828 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 829 i40e_stat_str(hw, status), 830 i40e_aq_str(hw, hw->aq.asq_last_status)); 831 err = -EAGAIN; 832 } 833 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) { 834 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 835 i40e_stat_str(hw, status), 836 i40e_aq_str(hw, hw->aq.asq_last_status)); 837 err = -EAGAIN; 838 } 839 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) { 840 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 841 i40e_stat_str(hw, status), 842 i40e_aq_str(hw, hw->aq.asq_last_status)); 843 err = -EAGAIN; 844 } 845 846 if (!test_bit(__I40E_DOWN, &pf->state)) { 847 /* Give it a little more time to try to come back */ 848 msleep(75); 849 if (!test_bit(__I40E_DOWN, &pf->state)) 850 return i40e_nway_reset(netdev); 851 } 852 853 return err; 854 } 855 856 static u32 i40e_get_msglevel(struct net_device *netdev) 857 { 858 struct i40e_netdev_priv *np = netdev_priv(netdev); 859 struct i40e_pf *pf = np->vsi->back; 860 861 return pf->msg_enable; 862 } 863 864 static void i40e_set_msglevel(struct net_device *netdev, u32 data) 865 { 866 struct i40e_netdev_priv *np = netdev_priv(netdev); 867 struct i40e_pf *pf = np->vsi->back; 868 869 if (I40E_DEBUG_USER & data) 870 pf->hw.debug_mask = data; 871 pf->msg_enable = data; 872 } 873 874 static int i40e_get_regs_len(struct net_device *netdev) 875 { 876 int reg_count = 0; 877 int i; 878 879 for (i = 0; i40e_reg_list[i].offset != 0; i++) 880 reg_count += i40e_reg_list[i].elements; 881 882 return reg_count * sizeof(u32); 883 } 884 885 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs, 886 void *p) 887 { 888 struct i40e_netdev_priv *np = netdev_priv(netdev); 889 struct i40e_pf *pf = np->vsi->back; 890 struct i40e_hw *hw = &pf->hw; 891 u32 *reg_buf = p; 892 int i, j, ri; 893 u32 reg; 894 895 /* Tell ethtool which driver-version-specific regs output we have. 896 * 897 * At some point, if we have ethtool doing special formatting of 898 * this data, it will rely on this version number to know how to 899 * interpret things. Hence, this needs to be updated if/when the 900 * diags register table is changed. 901 */ 902 regs->version = 1; 903 904 /* loop through the diags reg table for what to print */ 905 ri = 0; 906 for (i = 0; i40e_reg_list[i].offset != 0; i++) { 907 for (j = 0; j < i40e_reg_list[i].elements; j++) { 908 reg = i40e_reg_list[i].offset 909 + (j * i40e_reg_list[i].stride); 910 reg_buf[ri++] = rd32(hw, reg); 911 } 912 } 913 914 } 915 916 static int i40e_get_eeprom(struct net_device *netdev, 917 struct ethtool_eeprom *eeprom, u8 *bytes) 918 { 919 struct i40e_netdev_priv *np = netdev_priv(netdev); 920 struct i40e_hw *hw = &np->vsi->back->hw; 921 struct i40e_pf *pf = np->vsi->back; 922 int ret_val = 0, len, offset; 923 u8 *eeprom_buff; 924 u16 i, sectors; 925 bool last; 926 u32 magic; 927 928 #define I40E_NVM_SECTOR_SIZE 4096 929 if (eeprom->len == 0) 930 return -EINVAL; 931 932 /* check for NVMUpdate access method */ 933 magic = hw->vendor_id | (hw->device_id << 16); 934 if (eeprom->magic && eeprom->magic != magic) { 935 struct i40e_nvm_access *cmd; 936 int errno; 937 938 /* make sure it is the right magic for NVMUpdate */ 939 if ((eeprom->magic >> 16) != hw->device_id) 940 return -EINVAL; 941 942 cmd = (struct i40e_nvm_access *)eeprom; 943 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 944 if (ret_val && 945 ((hw->aq.asq_last_status != I40E_AQ_RC_EACCES) || 946 (hw->debug_mask & I40E_DEBUG_NVM))) 947 dev_info(&pf->pdev->dev, 948 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 949 ret_val, hw->aq.asq_last_status, errno, 950 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 951 cmd->offset, cmd->data_size); 952 953 return errno; 954 } 955 956 /* normal ethtool get_eeprom support */ 957 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 958 959 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL); 960 if (!eeprom_buff) 961 return -ENOMEM; 962 963 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); 964 if (ret_val) { 965 dev_info(&pf->pdev->dev, 966 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 967 ret_val, hw->aq.asq_last_status); 968 goto free_buff; 969 } 970 971 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE; 972 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0; 973 len = I40E_NVM_SECTOR_SIZE; 974 last = false; 975 for (i = 0; i < sectors; i++) { 976 if (i == (sectors - 1)) { 977 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i); 978 last = true; 979 } 980 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i), 981 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len, 982 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i), 983 last, NULL); 984 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) { 985 dev_info(&pf->pdev->dev, 986 "read NVM failed, invalid offset 0x%x\n", 987 offset); 988 break; 989 } else if (ret_val && 990 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) { 991 dev_info(&pf->pdev->dev, 992 "read NVM failed, access, offset 0x%x\n", 993 offset); 994 break; 995 } else if (ret_val) { 996 dev_info(&pf->pdev->dev, 997 "read NVM failed offset %d err=%d status=0x%x\n", 998 offset, ret_val, hw->aq.asq_last_status); 999 break; 1000 } 1001 } 1002 1003 i40e_release_nvm(hw); 1004 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len); 1005 free_buff: 1006 kfree(eeprom_buff); 1007 return ret_val; 1008 } 1009 1010 static int i40e_get_eeprom_len(struct net_device *netdev) 1011 { 1012 struct i40e_netdev_priv *np = netdev_priv(netdev); 1013 struct i40e_hw *hw = &np->vsi->back->hw; 1014 u32 val; 1015 1016 val = (rd32(hw, I40E_GLPCI_LBARCTRL) 1017 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK) 1018 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT; 1019 /* register returns value in power of 2, 64Kbyte chunks. */ 1020 val = (64 * 1024) * BIT(val); 1021 return val; 1022 } 1023 1024 static int i40e_set_eeprom(struct net_device *netdev, 1025 struct ethtool_eeprom *eeprom, u8 *bytes) 1026 { 1027 struct i40e_netdev_priv *np = netdev_priv(netdev); 1028 struct i40e_hw *hw = &np->vsi->back->hw; 1029 struct i40e_pf *pf = np->vsi->back; 1030 struct i40e_nvm_access *cmd; 1031 int ret_val = 0; 1032 int errno; 1033 u32 magic; 1034 1035 /* normal ethtool set_eeprom is not supported */ 1036 magic = hw->vendor_id | (hw->device_id << 16); 1037 if (eeprom->magic == magic) 1038 return -EOPNOTSUPP; 1039 1040 /* check for NVMUpdate access method */ 1041 if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id) 1042 return -EINVAL; 1043 1044 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 1045 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 1046 return -EBUSY; 1047 1048 cmd = (struct i40e_nvm_access *)eeprom; 1049 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 1050 if (ret_val && 1051 ((hw->aq.asq_last_status != I40E_AQ_RC_EPERM && 1052 hw->aq.asq_last_status != I40E_AQ_RC_EBUSY) || 1053 (hw->debug_mask & I40E_DEBUG_NVM))) 1054 dev_info(&pf->pdev->dev, 1055 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 1056 ret_val, hw->aq.asq_last_status, errno, 1057 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 1058 cmd->offset, cmd->data_size); 1059 1060 return errno; 1061 } 1062 1063 static void i40e_get_drvinfo(struct net_device *netdev, 1064 struct ethtool_drvinfo *drvinfo) 1065 { 1066 struct i40e_netdev_priv *np = netdev_priv(netdev); 1067 struct i40e_vsi *vsi = np->vsi; 1068 struct i40e_pf *pf = vsi->back; 1069 1070 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver)); 1071 strlcpy(drvinfo->version, i40e_driver_version_str, 1072 sizeof(drvinfo->version)); 1073 strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw), 1074 sizeof(drvinfo->fw_version)); 1075 strlcpy(drvinfo->bus_info, pci_name(pf->pdev), 1076 sizeof(drvinfo->bus_info)); 1077 drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN; 1078 } 1079 1080 static void i40e_get_ringparam(struct net_device *netdev, 1081 struct ethtool_ringparam *ring) 1082 { 1083 struct i40e_netdev_priv *np = netdev_priv(netdev); 1084 struct i40e_pf *pf = np->vsi->back; 1085 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; 1086 1087 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1088 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1089 ring->rx_mini_max_pending = 0; 1090 ring->rx_jumbo_max_pending = 0; 1091 ring->rx_pending = vsi->rx_rings[0]->count; 1092 ring->tx_pending = vsi->tx_rings[0]->count; 1093 ring->rx_mini_pending = 0; 1094 ring->rx_jumbo_pending = 0; 1095 } 1096 1097 static int i40e_set_ringparam(struct net_device *netdev, 1098 struct ethtool_ringparam *ring) 1099 { 1100 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL; 1101 struct i40e_netdev_priv *np = netdev_priv(netdev); 1102 struct i40e_vsi *vsi = np->vsi; 1103 struct i40e_pf *pf = vsi->back; 1104 u32 new_rx_count, new_tx_count; 1105 int i, err = 0; 1106 1107 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 1108 return -EINVAL; 1109 1110 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS || 1111 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS || 1112 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS || 1113 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) { 1114 netdev_info(netdev, 1115 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n", 1116 ring->tx_pending, ring->rx_pending, 1117 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS); 1118 return -EINVAL; 1119 } 1120 1121 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1122 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1123 1124 /* if nothing to do return success */ 1125 if ((new_tx_count == vsi->tx_rings[0]->count) && 1126 (new_rx_count == vsi->rx_rings[0]->count)) 1127 return 0; 1128 1129 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state)) 1130 usleep_range(1000, 2000); 1131 1132 if (!netif_running(vsi->netdev)) { 1133 /* simple case - set for the next time the netdev is started */ 1134 for (i = 0; i < vsi->num_queue_pairs; i++) { 1135 vsi->tx_rings[i]->count = new_tx_count; 1136 vsi->rx_rings[i]->count = new_rx_count; 1137 } 1138 goto done; 1139 } 1140 1141 /* We can't just free everything and then setup again, 1142 * because the ISRs in MSI-X mode get passed pointers 1143 * to the Tx and Rx ring structs. 1144 */ 1145 1146 /* alloc updated Tx resources */ 1147 if (new_tx_count != vsi->tx_rings[0]->count) { 1148 netdev_info(netdev, 1149 "Changing Tx descriptor count from %d to %d.\n", 1150 vsi->tx_rings[0]->count, new_tx_count); 1151 tx_rings = kcalloc(vsi->alloc_queue_pairs, 1152 sizeof(struct i40e_ring), GFP_KERNEL); 1153 if (!tx_rings) { 1154 err = -ENOMEM; 1155 goto done; 1156 } 1157 1158 for (i = 0; i < vsi->num_queue_pairs; i++) { 1159 /* clone ring and setup updated count */ 1160 tx_rings[i] = *vsi->tx_rings[i]; 1161 tx_rings[i].count = new_tx_count; 1162 err = i40e_setup_tx_descriptors(&tx_rings[i]); 1163 if (err) { 1164 while (i) { 1165 i--; 1166 i40e_free_tx_resources(&tx_rings[i]); 1167 } 1168 kfree(tx_rings); 1169 tx_rings = NULL; 1170 1171 goto done; 1172 } 1173 } 1174 } 1175 1176 /* alloc updated Rx resources */ 1177 if (new_rx_count != vsi->rx_rings[0]->count) { 1178 netdev_info(netdev, 1179 "Changing Rx descriptor count from %d to %d\n", 1180 vsi->rx_rings[0]->count, new_rx_count); 1181 rx_rings = kcalloc(vsi->alloc_queue_pairs, 1182 sizeof(struct i40e_ring), GFP_KERNEL); 1183 if (!rx_rings) { 1184 err = -ENOMEM; 1185 goto free_tx; 1186 } 1187 1188 for (i = 0; i < vsi->num_queue_pairs; i++) { 1189 /* clone ring and setup updated count */ 1190 rx_rings[i] = *vsi->rx_rings[i]; 1191 rx_rings[i].count = new_rx_count; 1192 err = i40e_setup_rx_descriptors(&rx_rings[i]); 1193 if (err) { 1194 while (i) { 1195 i--; 1196 i40e_free_rx_resources(&rx_rings[i]); 1197 } 1198 kfree(rx_rings); 1199 rx_rings = NULL; 1200 1201 goto free_tx; 1202 } 1203 } 1204 } 1205 1206 /* Bring interface down, copy in the new ring info, 1207 * then restore the interface 1208 */ 1209 i40e_down(vsi); 1210 1211 if (tx_rings) { 1212 for (i = 0; i < vsi->num_queue_pairs; i++) { 1213 i40e_free_tx_resources(vsi->tx_rings[i]); 1214 *vsi->tx_rings[i] = tx_rings[i]; 1215 } 1216 kfree(tx_rings); 1217 tx_rings = NULL; 1218 } 1219 1220 if (rx_rings) { 1221 for (i = 0; i < vsi->num_queue_pairs; i++) { 1222 i40e_free_rx_resources(vsi->rx_rings[i]); 1223 *vsi->rx_rings[i] = rx_rings[i]; 1224 } 1225 kfree(rx_rings); 1226 rx_rings = NULL; 1227 } 1228 1229 i40e_up(vsi); 1230 1231 free_tx: 1232 /* error cleanup if the Rx allocations failed after getting Tx */ 1233 if (tx_rings) { 1234 for (i = 0; i < vsi->num_queue_pairs; i++) 1235 i40e_free_tx_resources(&tx_rings[i]); 1236 kfree(tx_rings); 1237 tx_rings = NULL; 1238 } 1239 1240 done: 1241 clear_bit(__I40E_CONFIG_BUSY, &pf->state); 1242 1243 return err; 1244 } 1245 1246 static int i40e_get_sset_count(struct net_device *netdev, int sset) 1247 { 1248 struct i40e_netdev_priv *np = netdev_priv(netdev); 1249 struct i40e_vsi *vsi = np->vsi; 1250 struct i40e_pf *pf = vsi->back; 1251 1252 switch (sset) { 1253 case ETH_SS_TEST: 1254 return I40E_TEST_LEN; 1255 case ETH_SS_STATS: 1256 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) { 1257 int len = I40E_PF_STATS_LEN(netdev); 1258 1259 if (pf->lan_veb != I40E_NO_VEB) 1260 len += I40E_VEB_STATS_LEN; 1261 return len; 1262 } else { 1263 return I40E_VSI_STATS_LEN(netdev); 1264 } 1265 case ETH_SS_PRIV_FLAGS: 1266 return I40E_PRIV_FLAGS_STR_LEN; 1267 default: 1268 return -EOPNOTSUPP; 1269 } 1270 } 1271 1272 static void i40e_get_ethtool_stats(struct net_device *netdev, 1273 struct ethtool_stats *stats, u64 *data) 1274 { 1275 struct i40e_netdev_priv *np = netdev_priv(netdev); 1276 struct i40e_ring *tx_ring, *rx_ring; 1277 struct i40e_vsi *vsi = np->vsi; 1278 struct i40e_pf *pf = vsi->back; 1279 int i = 0; 1280 char *p; 1281 int j; 1282 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi); 1283 unsigned int start; 1284 1285 i40e_update_stats(vsi); 1286 1287 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) { 1288 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset; 1289 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat == 1290 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1291 } 1292 for (j = 0; j < I40E_MISC_STATS_LEN; j++) { 1293 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset; 1294 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat == 1295 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1296 } 1297 #ifdef I40E_FCOE 1298 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) { 1299 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset; 1300 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat == 1301 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1302 } 1303 #endif 1304 rcu_read_lock(); 1305 for (j = 0; j < vsi->num_queue_pairs; j++) { 1306 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]); 1307 1308 if (!tx_ring) 1309 continue; 1310 1311 /* process Tx ring statistics */ 1312 do { 1313 start = u64_stats_fetch_begin_irq(&tx_ring->syncp); 1314 data[i] = tx_ring->stats.packets; 1315 data[i + 1] = tx_ring->stats.bytes; 1316 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start)); 1317 i += 2; 1318 1319 /* Rx ring is the 2nd half of the queue pair */ 1320 rx_ring = &tx_ring[1]; 1321 do { 1322 start = u64_stats_fetch_begin_irq(&rx_ring->syncp); 1323 data[i] = rx_ring->stats.packets; 1324 data[i + 1] = rx_ring->stats.bytes; 1325 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start)); 1326 i += 2; 1327 } 1328 rcu_read_unlock(); 1329 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1330 return; 1331 1332 if (pf->lan_veb != I40E_NO_VEB) { 1333 struct i40e_veb *veb = pf->veb[pf->lan_veb]; 1334 for (j = 0; j < I40E_VEB_STATS_LEN; j++) { 1335 p = (char *)veb; 1336 p += i40e_gstrings_veb_stats[j].stat_offset; 1337 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat == 1338 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1339 } 1340 } 1341 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) { 1342 p = (char *)pf + i40e_gstrings_stats[j].stat_offset; 1343 data[i++] = (i40e_gstrings_stats[j].sizeof_stat == 1344 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1345 } 1346 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1347 data[i++] = pf->stats.priority_xon_tx[j]; 1348 data[i++] = pf->stats.priority_xoff_tx[j]; 1349 } 1350 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1351 data[i++] = pf->stats.priority_xon_rx[j]; 1352 data[i++] = pf->stats.priority_xoff_rx[j]; 1353 } 1354 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) 1355 data[i++] = pf->stats.priority_xon_2_xoff[j]; 1356 } 1357 1358 static void i40e_get_strings(struct net_device *netdev, u32 stringset, 1359 u8 *data) 1360 { 1361 struct i40e_netdev_priv *np = netdev_priv(netdev); 1362 struct i40e_vsi *vsi = np->vsi; 1363 struct i40e_pf *pf = vsi->back; 1364 char *p = (char *)data; 1365 int i; 1366 1367 switch (stringset) { 1368 case ETH_SS_TEST: 1369 for (i = 0; i < I40E_TEST_LEN; i++) { 1370 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN); 1371 data += ETH_GSTRING_LEN; 1372 } 1373 break; 1374 case ETH_SS_STATS: 1375 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) { 1376 snprintf(p, ETH_GSTRING_LEN, "%s", 1377 i40e_gstrings_net_stats[i].stat_string); 1378 p += ETH_GSTRING_LEN; 1379 } 1380 for (i = 0; i < I40E_MISC_STATS_LEN; i++) { 1381 snprintf(p, ETH_GSTRING_LEN, "%s", 1382 i40e_gstrings_misc_stats[i].stat_string); 1383 p += ETH_GSTRING_LEN; 1384 } 1385 #ifdef I40E_FCOE 1386 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) { 1387 snprintf(p, ETH_GSTRING_LEN, "%s", 1388 i40e_gstrings_fcoe_stats[i].stat_string); 1389 p += ETH_GSTRING_LEN; 1390 } 1391 #endif 1392 for (i = 0; i < vsi->num_queue_pairs; i++) { 1393 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i); 1394 p += ETH_GSTRING_LEN; 1395 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i); 1396 p += ETH_GSTRING_LEN; 1397 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i); 1398 p += ETH_GSTRING_LEN; 1399 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i); 1400 p += ETH_GSTRING_LEN; 1401 } 1402 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1403 return; 1404 1405 if (pf->lan_veb != I40E_NO_VEB) { 1406 for (i = 0; i < I40E_VEB_STATS_LEN; i++) { 1407 snprintf(p, ETH_GSTRING_LEN, "veb.%s", 1408 i40e_gstrings_veb_stats[i].stat_string); 1409 p += ETH_GSTRING_LEN; 1410 } 1411 } 1412 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) { 1413 snprintf(p, ETH_GSTRING_LEN, "port.%s", 1414 i40e_gstrings_stats[i].stat_string); 1415 p += ETH_GSTRING_LEN; 1416 } 1417 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1418 snprintf(p, ETH_GSTRING_LEN, 1419 "port.tx_priority_%u_xon", i); 1420 p += ETH_GSTRING_LEN; 1421 snprintf(p, ETH_GSTRING_LEN, 1422 "port.tx_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", i); 1428 p += ETH_GSTRING_LEN; 1429 snprintf(p, ETH_GSTRING_LEN, 1430 "port.rx_priority_%u_xoff", i); 1431 p += ETH_GSTRING_LEN; 1432 } 1433 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1434 snprintf(p, ETH_GSTRING_LEN, 1435 "port.rx_priority_%u_xon_2_xoff", i); 1436 p += ETH_GSTRING_LEN; 1437 } 1438 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */ 1439 break; 1440 case ETH_SS_PRIV_FLAGS: 1441 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) { 1442 memcpy(data, i40e_priv_flags_strings[i], 1443 ETH_GSTRING_LEN); 1444 data += ETH_GSTRING_LEN; 1445 } 1446 break; 1447 default: 1448 break; 1449 } 1450 } 1451 1452 static int i40e_get_ts_info(struct net_device *dev, 1453 struct ethtool_ts_info *info) 1454 { 1455 struct i40e_pf *pf = i40e_netdev_to_pf(dev); 1456 1457 /* only report HW timestamping if PTP is enabled */ 1458 if (!(pf->flags & I40E_FLAG_PTP)) 1459 return ethtool_op_get_ts_info(dev, info); 1460 1461 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 1462 SOF_TIMESTAMPING_RX_SOFTWARE | 1463 SOF_TIMESTAMPING_SOFTWARE | 1464 SOF_TIMESTAMPING_TX_HARDWARE | 1465 SOF_TIMESTAMPING_RX_HARDWARE | 1466 SOF_TIMESTAMPING_RAW_HARDWARE; 1467 1468 if (pf->ptp_clock) 1469 info->phc_index = ptp_clock_index(pf->ptp_clock); 1470 else 1471 info->phc_index = -1; 1472 1473 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 1474 1475 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | 1476 BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | 1477 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT); 1478 1479 return 0; 1480 } 1481 1482 static int i40e_link_test(struct net_device *netdev, u64 *data) 1483 { 1484 struct i40e_netdev_priv *np = netdev_priv(netdev); 1485 struct i40e_pf *pf = np->vsi->back; 1486 1487 netif_info(pf, hw, netdev, "link test\n"); 1488 if (i40e_get_link_status(&pf->hw)) 1489 *data = 0; 1490 else 1491 *data = 1; 1492 1493 return *data; 1494 } 1495 1496 static int i40e_reg_test(struct net_device *netdev, u64 *data) 1497 { 1498 struct i40e_netdev_priv *np = netdev_priv(netdev); 1499 struct i40e_pf *pf = np->vsi->back; 1500 1501 netif_info(pf, hw, netdev, "register test\n"); 1502 *data = i40e_diag_reg_test(&pf->hw); 1503 1504 return *data; 1505 } 1506 1507 static int i40e_eeprom_test(struct net_device *netdev, u64 *data) 1508 { 1509 struct i40e_netdev_priv *np = netdev_priv(netdev); 1510 struct i40e_pf *pf = np->vsi->back; 1511 1512 netif_info(pf, hw, netdev, "eeprom test\n"); 1513 *data = i40e_diag_eeprom_test(&pf->hw); 1514 1515 /* forcebly clear the NVM Update state machine */ 1516 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT; 1517 1518 return *data; 1519 } 1520 1521 static int i40e_intr_test(struct net_device *netdev, u64 *data) 1522 { 1523 struct i40e_netdev_priv *np = netdev_priv(netdev); 1524 struct i40e_pf *pf = np->vsi->back; 1525 u16 swc_old = pf->sw_int_count; 1526 1527 netif_info(pf, hw, netdev, "interrupt test\n"); 1528 wr32(&pf->hw, I40E_PFINT_DYN_CTL0, 1529 (I40E_PFINT_DYN_CTL0_INTENA_MASK | 1530 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK | 1531 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK | 1532 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK | 1533 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK)); 1534 usleep_range(1000, 2000); 1535 *data = (swc_old == pf->sw_int_count); 1536 1537 return *data; 1538 } 1539 1540 static int i40e_loopback_test(struct net_device *netdev, u64 *data) 1541 { 1542 struct i40e_netdev_priv *np = netdev_priv(netdev); 1543 struct i40e_pf *pf = np->vsi->back; 1544 1545 netif_info(pf, hw, netdev, "loopback test not implemented\n"); 1546 *data = 0; 1547 1548 return *data; 1549 } 1550 1551 static inline bool i40e_active_vfs(struct i40e_pf *pf) 1552 { 1553 struct i40e_vf *vfs = pf->vf; 1554 int i; 1555 1556 for (i = 0; i < pf->num_alloc_vfs; i++) 1557 if (vfs[i].vf_states & I40E_VF_STAT_ACTIVE) 1558 return true; 1559 return false; 1560 } 1561 1562 static void i40e_diag_test(struct net_device *netdev, 1563 struct ethtool_test *eth_test, u64 *data) 1564 { 1565 struct i40e_netdev_priv *np = netdev_priv(netdev); 1566 bool if_running = netif_running(netdev); 1567 struct i40e_pf *pf = np->vsi->back; 1568 1569 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1570 /* Offline tests */ 1571 netif_info(pf, drv, netdev, "offline testing starting\n"); 1572 1573 set_bit(__I40E_TESTING, &pf->state); 1574 1575 if (i40e_active_vfs(pf)) { 1576 dev_warn(&pf->pdev->dev, 1577 "Please take active VFS offline and restart the adapter before running NIC diagnostics\n"); 1578 data[I40E_ETH_TEST_REG] = 1; 1579 data[I40E_ETH_TEST_EEPROM] = 1; 1580 data[I40E_ETH_TEST_INTR] = 1; 1581 data[I40E_ETH_TEST_LOOPBACK] = 1; 1582 data[I40E_ETH_TEST_LINK] = 1; 1583 eth_test->flags |= ETH_TEST_FL_FAILED; 1584 clear_bit(__I40E_TESTING, &pf->state); 1585 goto skip_ol_tests; 1586 } 1587 1588 /* If the device is online then take it offline */ 1589 if (if_running) 1590 /* indicate we're in test mode */ 1591 dev_close(netdev); 1592 else 1593 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1594 1595 /* Link test performed before hardware reset 1596 * so autoneg doesn't interfere with test result 1597 */ 1598 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1599 eth_test->flags |= ETH_TEST_FL_FAILED; 1600 1601 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM])) 1602 eth_test->flags |= ETH_TEST_FL_FAILED; 1603 1604 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR])) 1605 eth_test->flags |= ETH_TEST_FL_FAILED; 1606 1607 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK])) 1608 eth_test->flags |= ETH_TEST_FL_FAILED; 1609 1610 /* run reg test last, a reset is required after it */ 1611 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG])) 1612 eth_test->flags |= ETH_TEST_FL_FAILED; 1613 1614 clear_bit(__I40E_TESTING, &pf->state); 1615 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1616 1617 if (if_running) 1618 dev_open(netdev); 1619 } else { 1620 /* Online tests */ 1621 netif_info(pf, drv, netdev, "online testing starting\n"); 1622 1623 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1624 eth_test->flags |= ETH_TEST_FL_FAILED; 1625 1626 /* Offline only tests, not run in online; pass by default */ 1627 data[I40E_ETH_TEST_REG] = 0; 1628 data[I40E_ETH_TEST_EEPROM] = 0; 1629 data[I40E_ETH_TEST_INTR] = 0; 1630 data[I40E_ETH_TEST_LOOPBACK] = 0; 1631 } 1632 1633 skip_ol_tests: 1634 1635 netif_info(pf, drv, netdev, "testing finished\n"); 1636 } 1637 1638 static void i40e_get_wol(struct net_device *netdev, 1639 struct ethtool_wolinfo *wol) 1640 { 1641 struct i40e_netdev_priv *np = netdev_priv(netdev); 1642 struct i40e_pf *pf = np->vsi->back; 1643 struct i40e_hw *hw = &pf->hw; 1644 u16 wol_nvm_bits; 1645 1646 /* NVM bit on means WoL disabled for the port */ 1647 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1648 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) { 1649 wol->supported = 0; 1650 wol->wolopts = 0; 1651 } else { 1652 wol->supported = WAKE_MAGIC; 1653 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0); 1654 } 1655 } 1656 1657 /** 1658 * i40e_set_wol - set the WakeOnLAN configuration 1659 * @netdev: the netdev in question 1660 * @wol: the ethtool WoL setting data 1661 **/ 1662 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1663 { 1664 struct i40e_netdev_priv *np = netdev_priv(netdev); 1665 struct i40e_pf *pf = np->vsi->back; 1666 struct i40e_vsi *vsi = np->vsi; 1667 struct i40e_hw *hw = &pf->hw; 1668 u16 wol_nvm_bits; 1669 1670 /* WoL not supported if this isn't the controlling PF on the port */ 1671 if (hw->partition_id != 1) { 1672 i40e_partition_setting_complaint(pf); 1673 return -EOPNOTSUPP; 1674 } 1675 1676 if (vsi != pf->vsi[pf->lan_vsi]) 1677 return -EOPNOTSUPP; 1678 1679 /* NVM bit on means WoL disabled for the port */ 1680 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1681 if (BIT(hw->port) & wol_nvm_bits) 1682 return -EOPNOTSUPP; 1683 1684 /* only magic packet is supported */ 1685 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC)) 1686 return -EOPNOTSUPP; 1687 1688 /* is this a new value? */ 1689 if (pf->wol_en != !!wol->wolopts) { 1690 pf->wol_en = !!wol->wolopts; 1691 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en); 1692 } 1693 1694 return 0; 1695 } 1696 1697 static int i40e_set_phys_id(struct net_device *netdev, 1698 enum ethtool_phys_id_state state) 1699 { 1700 struct i40e_netdev_priv *np = netdev_priv(netdev); 1701 struct i40e_pf *pf = np->vsi->back; 1702 struct i40e_hw *hw = &pf->hw; 1703 int blink_freq = 2; 1704 1705 switch (state) { 1706 case ETHTOOL_ID_ACTIVE: 1707 pf->led_status = i40e_led_get(hw); 1708 return blink_freq; 1709 case ETHTOOL_ID_ON: 1710 i40e_led_set(hw, 0xF, false); 1711 break; 1712 case ETHTOOL_ID_OFF: 1713 i40e_led_set(hw, 0x0, false); 1714 break; 1715 case ETHTOOL_ID_INACTIVE: 1716 i40e_led_set(hw, pf->led_status, false); 1717 break; 1718 default: 1719 break; 1720 } 1721 1722 return 0; 1723 } 1724 1725 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt 1726 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also 1727 * 125us (8000 interrupts per second) == ITR(62) 1728 */ 1729 1730 static int i40e_get_coalesce(struct net_device *netdev, 1731 struct ethtool_coalesce *ec) 1732 { 1733 struct i40e_netdev_priv *np = netdev_priv(netdev); 1734 struct i40e_vsi *vsi = np->vsi; 1735 1736 ec->tx_max_coalesced_frames_irq = vsi->work_limit; 1737 ec->rx_max_coalesced_frames_irq = vsi->work_limit; 1738 1739 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting)) 1740 ec->use_adaptive_rx_coalesce = 1; 1741 1742 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting)) 1743 ec->use_adaptive_tx_coalesce = 1; 1744 1745 ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC; 1746 ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC; 1747 1748 return 0; 1749 } 1750 1751 static int i40e_set_coalesce(struct net_device *netdev, 1752 struct ethtool_coalesce *ec) 1753 { 1754 struct i40e_netdev_priv *np = netdev_priv(netdev); 1755 struct i40e_q_vector *q_vector; 1756 struct i40e_vsi *vsi = np->vsi; 1757 struct i40e_pf *pf = vsi->back; 1758 struct i40e_hw *hw = &pf->hw; 1759 u16 vector; 1760 int i; 1761 1762 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) 1763 vsi->work_limit = ec->tx_max_coalesced_frames_irq; 1764 1765 vector = vsi->base_vector; 1766 if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1767 (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1768 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1769 } else if (ec->rx_coalesce_usecs == 0) { 1770 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1771 if (ec->use_adaptive_rx_coalesce) 1772 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n"); 1773 } else { 1774 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n"); 1775 return -EINVAL; 1776 } 1777 1778 if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1779 (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1780 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1781 } else if (ec->tx_coalesce_usecs == 0) { 1782 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1783 if (ec->use_adaptive_tx_coalesce) 1784 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n"); 1785 } else { 1786 netif_info(pf, drv, netdev, 1787 "Invalid value, tx-usecs range is 0-8160\n"); 1788 return -EINVAL; 1789 } 1790 1791 if (ec->use_adaptive_rx_coalesce) 1792 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC; 1793 else 1794 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC; 1795 1796 if (ec->use_adaptive_tx_coalesce) 1797 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC; 1798 else 1799 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC; 1800 1801 for (i = 0; i < vsi->num_q_vectors; i++, vector++) { 1802 q_vector = vsi->q_vectors[i]; 1803 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting); 1804 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr); 1805 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting); 1806 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr); 1807 i40e_flush(hw); 1808 } 1809 1810 return 0; 1811 } 1812 1813 /** 1814 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type 1815 * @pf: pointer to the physical function struct 1816 * @cmd: ethtool rxnfc command 1817 * 1818 * Returns Success if the flow is supported, else Invalid Input. 1819 **/ 1820 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd) 1821 { 1822 cmd->data = 0; 1823 1824 if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) { 1825 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data; 1826 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type; 1827 return 0; 1828 } 1829 /* Report default options for RSS on i40e */ 1830 switch (cmd->flow_type) { 1831 case TCP_V4_FLOW: 1832 case UDP_V4_FLOW: 1833 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1834 /* fall through to add IP fields */ 1835 case SCTP_V4_FLOW: 1836 case AH_ESP_V4_FLOW: 1837 case AH_V4_FLOW: 1838 case ESP_V4_FLOW: 1839 case IPV4_FLOW: 1840 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1841 break; 1842 case TCP_V6_FLOW: 1843 case UDP_V6_FLOW: 1844 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1845 /* fall through to add IP fields */ 1846 case SCTP_V6_FLOW: 1847 case AH_ESP_V6_FLOW: 1848 case AH_V6_FLOW: 1849 case ESP_V6_FLOW: 1850 case IPV6_FLOW: 1851 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1852 break; 1853 default: 1854 return -EINVAL; 1855 } 1856 1857 return 0; 1858 } 1859 1860 /** 1861 * i40e_get_ethtool_fdir_all - Populates the rule count of a command 1862 * @pf: Pointer to the physical function struct 1863 * @cmd: The command to get or set Rx flow classification rules 1864 * @rule_locs: Array of used rule locations 1865 * 1866 * This function populates both the total and actual rule count of 1867 * the ethtool flow classification command 1868 * 1869 * Returns 0 on success or -EMSGSIZE if entry not found 1870 **/ 1871 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf, 1872 struct ethtool_rxnfc *cmd, 1873 u32 *rule_locs) 1874 { 1875 struct i40e_fdir_filter *rule; 1876 struct hlist_node *node2; 1877 int cnt = 0; 1878 1879 /* report total rule count */ 1880 cmd->data = i40e_get_fd_cnt_all(pf); 1881 1882 hlist_for_each_entry_safe(rule, node2, 1883 &pf->fdir_filter_list, fdir_node) { 1884 if (cnt == cmd->rule_cnt) 1885 return -EMSGSIZE; 1886 1887 rule_locs[cnt] = rule->fd_id; 1888 cnt++; 1889 } 1890 1891 cmd->rule_cnt = cnt; 1892 1893 return 0; 1894 } 1895 1896 /** 1897 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow 1898 * @pf: Pointer to the physical function struct 1899 * @cmd: The command to get or set Rx flow classification rules 1900 * 1901 * This function looks up a filter based on the Rx flow classification 1902 * command and fills the flow spec info for it if found 1903 * 1904 * Returns 0 on success or -EINVAL if filter not found 1905 **/ 1906 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf, 1907 struct ethtool_rxnfc *cmd) 1908 { 1909 struct ethtool_rx_flow_spec *fsp = 1910 (struct ethtool_rx_flow_spec *)&cmd->fs; 1911 struct i40e_fdir_filter *rule = NULL; 1912 struct hlist_node *node2; 1913 1914 hlist_for_each_entry_safe(rule, node2, 1915 &pf->fdir_filter_list, fdir_node) { 1916 if (fsp->location <= rule->fd_id) 1917 break; 1918 } 1919 1920 if (!rule || fsp->location != rule->fd_id) 1921 return -EINVAL; 1922 1923 fsp->flow_type = rule->flow_type; 1924 if (fsp->flow_type == IP_USER_FLOW) { 1925 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; 1926 fsp->h_u.usr_ip4_spec.proto = 0; 1927 fsp->m_u.usr_ip4_spec.proto = 0; 1928 } 1929 1930 /* Reverse the src and dest notion, since the HW views them from 1931 * Tx perspective where as the user expects it from Rx filter view. 1932 */ 1933 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port; 1934 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port; 1935 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0]; 1936 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0]; 1937 1938 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET) 1939 fsp->ring_cookie = RX_CLS_FLOW_DISC; 1940 else 1941 fsp->ring_cookie = rule->q_index; 1942 1943 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) { 1944 struct i40e_vsi *vsi; 1945 1946 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi); 1947 if (vsi && vsi->type == I40E_VSI_SRIOV) { 1948 fsp->h_ext.data[1] = htonl(vsi->vf_id); 1949 fsp->m_ext.data[1] = htonl(0x1); 1950 } 1951 } 1952 1953 return 0; 1954 } 1955 1956 /** 1957 * i40e_get_rxnfc - command to get RX flow classification rules 1958 * @netdev: network interface device structure 1959 * @cmd: ethtool rxnfc command 1960 * 1961 * Returns Success if the command is supported. 1962 **/ 1963 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 1964 u32 *rule_locs) 1965 { 1966 struct i40e_netdev_priv *np = netdev_priv(netdev); 1967 struct i40e_vsi *vsi = np->vsi; 1968 struct i40e_pf *pf = vsi->back; 1969 int ret = -EOPNOTSUPP; 1970 1971 switch (cmd->cmd) { 1972 case ETHTOOL_GRXRINGS: 1973 cmd->data = vsi->alloc_queue_pairs; 1974 ret = 0; 1975 break; 1976 case ETHTOOL_GRXFH: 1977 ret = i40e_get_rss_hash_opts(pf, cmd); 1978 break; 1979 case ETHTOOL_GRXCLSRLCNT: 1980 cmd->rule_cnt = pf->fdir_pf_active_filters; 1981 /* report total rule count */ 1982 cmd->data = i40e_get_fd_cnt_all(pf); 1983 ret = 0; 1984 break; 1985 case ETHTOOL_GRXCLSRULE: 1986 ret = i40e_get_ethtool_fdir_entry(pf, cmd); 1987 break; 1988 case ETHTOOL_GRXCLSRLALL: 1989 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs); 1990 break; 1991 default: 1992 break; 1993 } 1994 1995 return ret; 1996 } 1997 1998 /** 1999 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2000 * @pf: pointer to the physical function struct 2001 * @cmd: ethtool rxnfc command 2002 * 2003 * Returns Success if the flow input set is supported. 2004 **/ 2005 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc) 2006 { 2007 struct i40e_hw *hw = &pf->hw; 2008 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) | 2009 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32); 2010 2011 /* RSS does not support anything other than hashing 2012 * to queues on src and dst IPs and ports 2013 */ 2014 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | 2015 RXH_L4_B_0_1 | RXH_L4_B_2_3)) 2016 return -EINVAL; 2017 2018 /* We need at least the IP SRC and DEST fields for hashing */ 2019 if (!(nfc->data & RXH_IP_SRC) || 2020 !(nfc->data & RXH_IP_DST)) 2021 return -EINVAL; 2022 2023 switch (nfc->flow_type) { 2024 case TCP_V4_FLOW: 2025 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2026 case 0: 2027 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 2028 break; 2029 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2030 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 2031 break; 2032 default: 2033 return -EINVAL; 2034 } 2035 break; 2036 case TCP_V6_FLOW: 2037 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2038 case 0: 2039 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 2040 break; 2041 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2042 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 2043 break; 2044 default: 2045 return -EINVAL; 2046 } 2047 break; 2048 case UDP_V4_FLOW: 2049 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2050 case 0: 2051 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 2052 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4)); 2053 break; 2054 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2055 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 2056 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4)); 2057 break; 2058 default: 2059 return -EINVAL; 2060 } 2061 break; 2062 case UDP_V6_FLOW: 2063 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2064 case 0: 2065 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 2066 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6)); 2067 break; 2068 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2069 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 2070 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6)); 2071 break; 2072 default: 2073 return -EINVAL; 2074 } 2075 break; 2076 case AH_ESP_V4_FLOW: 2077 case AH_V4_FLOW: 2078 case ESP_V4_FLOW: 2079 case SCTP_V4_FLOW: 2080 if ((nfc->data & RXH_L4_B_0_1) || 2081 (nfc->data & RXH_L4_B_2_3)) 2082 return -EINVAL; 2083 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER); 2084 break; 2085 case AH_ESP_V6_FLOW: 2086 case AH_V6_FLOW: 2087 case ESP_V6_FLOW: 2088 case SCTP_V6_FLOW: 2089 if ((nfc->data & RXH_L4_B_0_1) || 2090 (nfc->data & RXH_L4_B_2_3)) 2091 return -EINVAL; 2092 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER); 2093 break; 2094 case IPV4_FLOW: 2095 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) | 2096 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4); 2097 break; 2098 case IPV6_FLOW: 2099 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) | 2100 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6); 2101 break; 2102 default: 2103 return -EINVAL; 2104 } 2105 2106 wr32(hw, I40E_PFQF_HENA(0), (u32)hena); 2107 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32)); 2108 i40e_flush(hw); 2109 2110 /* Save setting for future output/update */ 2111 pf->vsi[pf->lan_vsi]->rxnfc = *nfc; 2112 2113 return 0; 2114 } 2115 2116 /** 2117 * i40e_match_fdir_input_set - Match a new filter against an existing one 2118 * @rule: The filter already added 2119 * @input: The new filter to comapre against 2120 * 2121 * Returns true if the two input set match 2122 **/ 2123 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule, 2124 struct i40e_fdir_filter *input) 2125 { 2126 if ((rule->dst_ip[0] != input->dst_ip[0]) || 2127 (rule->src_ip[0] != input->src_ip[0]) || 2128 (rule->dst_port != input->dst_port) || 2129 (rule->src_port != input->src_port)) 2130 return false; 2131 return true; 2132 } 2133 2134 /** 2135 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry 2136 * @vsi: Pointer to the targeted VSI 2137 * @input: The filter to update or NULL to indicate deletion 2138 * @sw_idx: Software index to the filter 2139 * @cmd: The command to get or set Rx flow classification rules 2140 * 2141 * This function updates (or deletes) a Flow Director entry from 2142 * the hlist of the corresponding PF 2143 * 2144 * Returns 0 on success 2145 **/ 2146 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi, 2147 struct i40e_fdir_filter *input, 2148 u16 sw_idx, 2149 struct ethtool_rxnfc *cmd) 2150 { 2151 struct i40e_fdir_filter *rule, *parent; 2152 struct i40e_pf *pf = vsi->back; 2153 struct hlist_node *node2; 2154 int err = -EINVAL; 2155 2156 parent = NULL; 2157 rule = NULL; 2158 2159 hlist_for_each_entry_safe(rule, node2, 2160 &pf->fdir_filter_list, fdir_node) { 2161 /* hash found, or no matching entry */ 2162 if (rule->fd_id >= sw_idx) 2163 break; 2164 parent = rule; 2165 } 2166 2167 /* if there is an old rule occupying our place remove it */ 2168 if (rule && (rule->fd_id == sw_idx)) { 2169 if (input && !i40e_match_fdir_input_set(rule, input)) 2170 err = i40e_add_del_fdir(vsi, rule, false); 2171 else if (!input) 2172 err = i40e_add_del_fdir(vsi, rule, false); 2173 hlist_del(&rule->fdir_node); 2174 kfree(rule); 2175 pf->fdir_pf_active_filters--; 2176 } 2177 2178 /* If no input this was a delete, err should be 0 if a rule was 2179 * successfully found and removed from the list else -EINVAL 2180 */ 2181 if (!input) 2182 return err; 2183 2184 /* initialize node and set software index */ 2185 INIT_HLIST_NODE(&input->fdir_node); 2186 2187 /* add filter to the list */ 2188 if (parent) 2189 hlist_add_behind(&input->fdir_node, &parent->fdir_node); 2190 else 2191 hlist_add_head(&input->fdir_node, 2192 &pf->fdir_filter_list); 2193 2194 /* update counts */ 2195 pf->fdir_pf_active_filters++; 2196 2197 return 0; 2198 } 2199 2200 /** 2201 * i40e_del_fdir_entry - Deletes a Flow Director filter entry 2202 * @vsi: Pointer to the targeted VSI 2203 * @cmd: The command to get or set Rx flow classification rules 2204 * 2205 * The function removes a Flow Director filter entry from the 2206 * hlist of the corresponding PF 2207 * 2208 * Returns 0 on success 2209 */ 2210 static int i40e_del_fdir_entry(struct i40e_vsi *vsi, 2211 struct ethtool_rxnfc *cmd) 2212 { 2213 struct ethtool_rx_flow_spec *fsp = 2214 (struct ethtool_rx_flow_spec *)&cmd->fs; 2215 struct i40e_pf *pf = vsi->back; 2216 int ret = 0; 2217 2218 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2219 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2220 return -EBUSY; 2221 2222 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2223 return -EBUSY; 2224 2225 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd); 2226 2227 i40e_fdir_check_and_reenable(pf); 2228 return ret; 2229 } 2230 2231 /** 2232 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters 2233 * @vsi: pointer to the targeted VSI 2234 * @cmd: command to get or set RX flow classification rules 2235 * 2236 * Add Flow Director filters for a specific flow spec based on their 2237 * protocol. Returns 0 if the filters were successfully added. 2238 **/ 2239 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, 2240 struct ethtool_rxnfc *cmd) 2241 { 2242 struct ethtool_rx_flow_spec *fsp; 2243 struct i40e_fdir_filter *input; 2244 struct i40e_pf *pf; 2245 int ret = -EINVAL; 2246 u16 vf_id; 2247 2248 if (!vsi) 2249 return -EINVAL; 2250 2251 pf = vsi->back; 2252 2253 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 2254 return -EOPNOTSUPP; 2255 2256 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED) 2257 return -ENOSPC; 2258 2259 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2260 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2261 return -EBUSY; 2262 2263 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2264 return -EBUSY; 2265 2266 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs; 2267 2268 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort + 2269 pf->hw.func_caps.fd_filters_guaranteed)) { 2270 return -EINVAL; 2271 } 2272 2273 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) && 2274 (fsp->ring_cookie >= vsi->num_queue_pairs)) 2275 return -EINVAL; 2276 2277 input = kzalloc(sizeof(*input), GFP_KERNEL); 2278 2279 if (!input) 2280 return -ENOMEM; 2281 2282 input->fd_id = fsp->location; 2283 2284 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) 2285 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET; 2286 else 2287 input->dest_ctl = 2288 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX; 2289 2290 input->q_index = fsp->ring_cookie; 2291 input->flex_off = 0; 2292 input->pctype = 0; 2293 input->dest_vsi = vsi->id; 2294 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID; 2295 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id); 2296 input->flow_type = fsp->flow_type; 2297 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto; 2298 2299 /* Reverse the src and dest notion, since the HW expects them to be from 2300 * Tx perspective where as the input from user is from Rx filter view. 2301 */ 2302 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc; 2303 input->src_port = fsp->h_u.tcp_ip4_spec.pdst; 2304 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src; 2305 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst; 2306 2307 if (ntohl(fsp->m_ext.data[1])) { 2308 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) { 2309 netif_info(pf, drv, vsi->netdev, "Invalid VF id\n"); 2310 goto free_input; 2311 } 2312 vf_id = ntohl(fsp->h_ext.data[1]); 2313 /* Find vsi id from vf id and override dest vsi */ 2314 input->dest_vsi = pf->vf[vf_id].lan_vsi_id; 2315 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) { 2316 netif_info(pf, drv, vsi->netdev, "Invalid queue id\n"); 2317 goto free_input; 2318 } 2319 } 2320 2321 ret = i40e_add_del_fdir(vsi, input, true); 2322 free_input: 2323 if (ret) 2324 kfree(input); 2325 else 2326 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL); 2327 2328 return ret; 2329 } 2330 2331 /** 2332 * i40e_set_rxnfc - command to set RX flow classification rules 2333 * @netdev: network interface device structure 2334 * @cmd: ethtool rxnfc command 2335 * 2336 * Returns Success if the command is supported. 2337 **/ 2338 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2339 { 2340 struct i40e_netdev_priv *np = netdev_priv(netdev); 2341 struct i40e_vsi *vsi = np->vsi; 2342 struct i40e_pf *pf = vsi->back; 2343 int ret = -EOPNOTSUPP; 2344 2345 switch (cmd->cmd) { 2346 case ETHTOOL_SRXFH: 2347 ret = i40e_set_rss_hash_opt(pf, cmd); 2348 break; 2349 case ETHTOOL_SRXCLSRLINS: 2350 ret = i40e_add_fdir_ethtool(vsi, cmd); 2351 break; 2352 case ETHTOOL_SRXCLSRLDEL: 2353 ret = i40e_del_fdir_entry(vsi, cmd); 2354 break; 2355 default: 2356 break; 2357 } 2358 2359 return ret; 2360 } 2361 2362 /** 2363 * i40e_max_channels - get Max number of combined channels supported 2364 * @vsi: vsi pointer 2365 **/ 2366 static unsigned int i40e_max_channels(struct i40e_vsi *vsi) 2367 { 2368 /* TODO: This code assumes DCB and FD is disabled for now. */ 2369 return vsi->alloc_queue_pairs; 2370 } 2371 2372 /** 2373 * i40e_get_channels - Get the current channels enabled and max supported etc. 2374 * @netdev: network interface device structure 2375 * @ch: ethtool channels structure 2376 * 2377 * We don't support separate tx and rx queues as channels. The other count 2378 * represents how many queues are being used for control. max_combined counts 2379 * how many queue pairs we can support. They may not be mapped 1 to 1 with 2380 * q_vectors since we support a lot more queue pairs than q_vectors. 2381 **/ 2382 static void i40e_get_channels(struct net_device *dev, 2383 struct ethtool_channels *ch) 2384 { 2385 struct i40e_netdev_priv *np = netdev_priv(dev); 2386 struct i40e_vsi *vsi = np->vsi; 2387 struct i40e_pf *pf = vsi->back; 2388 2389 /* report maximum channels */ 2390 ch->max_combined = i40e_max_channels(vsi); 2391 2392 /* report info for other vector */ 2393 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0; 2394 ch->max_other = ch->other_count; 2395 2396 /* Note: This code assumes DCB is disabled for now. */ 2397 ch->combined_count = vsi->num_queue_pairs; 2398 } 2399 2400 /** 2401 * i40e_set_channels - Set the new channels count. 2402 * @netdev: network interface device structure 2403 * @ch: ethtool channels structure 2404 * 2405 * The new channels count may not be the same as requested by the user 2406 * since it gets rounded down to a power of 2 value. 2407 **/ 2408 static int i40e_set_channels(struct net_device *dev, 2409 struct ethtool_channels *ch) 2410 { 2411 struct i40e_netdev_priv *np = netdev_priv(dev); 2412 unsigned int count = ch->combined_count; 2413 struct i40e_vsi *vsi = np->vsi; 2414 struct i40e_pf *pf = vsi->back; 2415 int new_count; 2416 2417 /* We do not support setting channels for any other VSI at present */ 2418 if (vsi->type != I40E_VSI_MAIN) 2419 return -EINVAL; 2420 2421 /* verify they are not requesting separate vectors */ 2422 if (!count || ch->rx_count || ch->tx_count) 2423 return -EINVAL; 2424 2425 /* verify other_count has not changed */ 2426 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0)) 2427 return -EINVAL; 2428 2429 /* verify the number of channels does not exceed hardware limits */ 2430 if (count > i40e_max_channels(vsi)) 2431 return -EINVAL; 2432 2433 /* update feature limits from largest to smallest supported values */ 2434 /* TODO: Flow director limit, DCB etc */ 2435 2436 /* use rss_reconfig to rebuild with new queue count and update traffic 2437 * class queue mapping 2438 */ 2439 new_count = i40e_reconfig_rss_queues(pf, count); 2440 if (new_count > 0) 2441 return 0; 2442 else 2443 return -EINVAL; 2444 } 2445 2446 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4) 2447 /** 2448 * i40e_get_rxfh_key_size - get the RSS hash key size 2449 * @netdev: network interface device structure 2450 * 2451 * Returns the table size. 2452 **/ 2453 static u32 i40e_get_rxfh_key_size(struct net_device *netdev) 2454 { 2455 return I40E_HKEY_ARRAY_SIZE; 2456 } 2457 2458 /** 2459 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size 2460 * @netdev: network interface device structure 2461 * 2462 * Returns the table size. 2463 **/ 2464 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev) 2465 { 2466 return I40E_HLUT_ARRAY_SIZE; 2467 } 2468 2469 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, 2470 u8 *hfunc) 2471 { 2472 struct i40e_netdev_priv *np = netdev_priv(netdev); 2473 struct i40e_vsi *vsi = np->vsi; 2474 struct i40e_pf *pf = vsi->back; 2475 struct i40e_hw *hw = &pf->hw; 2476 u32 reg_val; 2477 int i, j; 2478 2479 if (hfunc) 2480 *hfunc = ETH_RSS_HASH_TOP; 2481 2482 if (!indir) 2483 return 0; 2484 2485 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) { 2486 reg_val = rd32(hw, I40E_PFQF_HLUT(i)); 2487 indir[j++] = reg_val & 0xff; 2488 indir[j++] = (reg_val >> 8) & 0xff; 2489 indir[j++] = (reg_val >> 16) & 0xff; 2490 indir[j++] = (reg_val >> 24) & 0xff; 2491 } 2492 2493 if (key) { 2494 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) { 2495 reg_val = rd32(hw, I40E_PFQF_HKEY(i)); 2496 key[j++] = (u8)(reg_val & 0xff); 2497 key[j++] = (u8)((reg_val >> 8) & 0xff); 2498 key[j++] = (u8)((reg_val >> 16) & 0xff); 2499 key[j++] = (u8)((reg_val >> 24) & 0xff); 2500 } 2501 } 2502 return 0; 2503 } 2504 2505 /** 2506 * i40e_set_rxfh - set the rx flow hash indirection table 2507 * @netdev: network interface device structure 2508 * @indir: indirection table 2509 * @key: hash key 2510 * 2511 * Returns -EINVAL if the table specifies an inavlid queue id, otherwise 2512 * returns 0 after programming the table. 2513 **/ 2514 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir, 2515 const u8 *key, const u8 hfunc) 2516 { 2517 struct i40e_netdev_priv *np = netdev_priv(netdev); 2518 struct i40e_vsi *vsi = np->vsi; 2519 struct i40e_pf *pf = vsi->back; 2520 struct i40e_hw *hw = &pf->hw; 2521 u32 reg_val; 2522 int i, j; 2523 2524 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 2525 return -EOPNOTSUPP; 2526 2527 if (!indir) 2528 return 0; 2529 2530 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) { 2531 reg_val = indir[j++]; 2532 reg_val |= indir[j++] << 8; 2533 reg_val |= indir[j++] << 16; 2534 reg_val |= indir[j++] << 24; 2535 wr32(hw, I40E_PFQF_HLUT(i), reg_val); 2536 } 2537 2538 if (key) { 2539 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) { 2540 reg_val = key[j++]; 2541 reg_val |= key[j++] << 8; 2542 reg_val |= key[j++] << 16; 2543 reg_val |= key[j++] << 24; 2544 wr32(hw, I40E_PFQF_HKEY(i), reg_val); 2545 } 2546 } 2547 return 0; 2548 } 2549 2550 /** 2551 * i40e_get_priv_flags - report device private flags 2552 * @dev: network interface device structure 2553 * 2554 * The get string set count and the string set should be matched for each 2555 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings 2556 * array. 2557 * 2558 * Returns a u32 bitmap of flags. 2559 **/ 2560 static u32 i40e_get_priv_flags(struct net_device *dev) 2561 { 2562 struct i40e_netdev_priv *np = netdev_priv(dev); 2563 struct i40e_vsi *vsi = np->vsi; 2564 struct i40e_pf *pf = vsi->back; 2565 u32 ret_flags = 0; 2566 2567 ret_flags |= pf->hw.func_caps.npar_enable ? 2568 I40E_PRIV_FLAGS_NPAR_FLAG : 0; 2569 2570 return ret_flags; 2571 } 2572 2573 static const struct ethtool_ops i40e_ethtool_ops = { 2574 .get_settings = i40e_get_settings, 2575 .set_settings = i40e_set_settings, 2576 .get_drvinfo = i40e_get_drvinfo, 2577 .get_regs_len = i40e_get_regs_len, 2578 .get_regs = i40e_get_regs, 2579 .nway_reset = i40e_nway_reset, 2580 .get_link = ethtool_op_get_link, 2581 .get_wol = i40e_get_wol, 2582 .set_wol = i40e_set_wol, 2583 .set_eeprom = i40e_set_eeprom, 2584 .get_eeprom_len = i40e_get_eeprom_len, 2585 .get_eeprom = i40e_get_eeprom, 2586 .get_ringparam = i40e_get_ringparam, 2587 .set_ringparam = i40e_set_ringparam, 2588 .get_pauseparam = i40e_get_pauseparam, 2589 .set_pauseparam = i40e_set_pauseparam, 2590 .get_msglevel = i40e_get_msglevel, 2591 .set_msglevel = i40e_set_msglevel, 2592 .get_rxnfc = i40e_get_rxnfc, 2593 .set_rxnfc = i40e_set_rxnfc, 2594 .self_test = i40e_diag_test, 2595 .get_strings = i40e_get_strings, 2596 .set_phys_id = i40e_set_phys_id, 2597 .get_sset_count = i40e_get_sset_count, 2598 .get_ethtool_stats = i40e_get_ethtool_stats, 2599 .get_coalesce = i40e_get_coalesce, 2600 .set_coalesce = i40e_set_coalesce, 2601 .get_rxfh_key_size = i40e_get_rxfh_key_size, 2602 .get_rxfh_indir_size = i40e_get_rxfh_indir_size, 2603 .get_rxfh = i40e_get_rxfh, 2604 .set_rxfh = i40e_set_rxfh, 2605 .get_channels = i40e_get_channels, 2606 .set_channels = i40e_set_channels, 2607 .get_ts_info = i40e_get_ts_info, 2608 .get_priv_flags = i40e_get_priv_flags, 2609 }; 2610 2611 void i40e_set_ethtool_ops(struct net_device *netdev) 2612 { 2613 netdev->ethtool_ops = &i40e_ethtool_ops; 2614 } 2615