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("rx_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_TC_STATS_LEN ( \ 201 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \ 202 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \ 203 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \ 204 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \ 205 / sizeof(u64)) 206 #define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats) 207 #define I40E_VEB_STATS_TOTAL (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN) 208 #define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \ 209 I40E_PFC_STATS_LEN + \ 210 I40E_VSI_STATS_LEN((n))) 211 212 enum i40e_ethtool_test_id { 213 I40E_ETH_TEST_REG = 0, 214 I40E_ETH_TEST_EEPROM, 215 I40E_ETH_TEST_INTR, 216 I40E_ETH_TEST_LOOPBACK, 217 I40E_ETH_TEST_LINK, 218 }; 219 220 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = { 221 "Register test (offline)", 222 "Eeprom test (offline)", 223 "Interrupt test (offline)", 224 "Loopback test (offline)", 225 "Link test (on/offline)" 226 }; 227 228 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN) 229 230 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = { 231 "NPAR", 232 }; 233 234 #define I40E_PRIV_FLAGS_STR_LEN \ 235 (sizeof(i40e_priv_flags_strings) / ETH_GSTRING_LEN) 236 237 /** 238 * i40e_partition_setting_complaint - generic complaint for MFP restriction 239 * @pf: the PF struct 240 **/ 241 static void i40e_partition_setting_complaint(struct i40e_pf *pf) 242 { 243 dev_info(&pf->pdev->dev, 244 "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"); 245 } 246 247 /** 248 * i40e_get_settings_link_up - Get the Link settings for when link is up 249 * @hw: hw structure 250 * @ecmd: ethtool command to fill in 251 * @netdev: network interface device structure 252 * 253 **/ 254 static void i40e_get_settings_link_up(struct i40e_hw *hw, 255 struct ethtool_cmd *ecmd, 256 struct net_device *netdev) 257 { 258 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 259 u32 link_speed = hw_link_info->link_speed; 260 261 /* Initialize supported and advertised settings based on phy settings */ 262 switch (hw_link_info->phy_type) { 263 case I40E_PHY_TYPE_40GBASE_CR4: 264 case I40E_PHY_TYPE_40GBASE_CR4_CU: 265 ecmd->supported = SUPPORTED_Autoneg | 266 SUPPORTED_40000baseCR4_Full; 267 ecmd->advertising = ADVERTISED_Autoneg | 268 ADVERTISED_40000baseCR4_Full; 269 break; 270 case I40E_PHY_TYPE_XLAUI: 271 case I40E_PHY_TYPE_XLPPI: 272 case I40E_PHY_TYPE_40GBASE_AOC: 273 ecmd->supported = SUPPORTED_40000baseCR4_Full; 274 break; 275 case I40E_PHY_TYPE_40GBASE_KR4: 276 ecmd->supported = SUPPORTED_Autoneg | 277 SUPPORTED_40000baseKR4_Full; 278 ecmd->advertising = ADVERTISED_Autoneg | 279 ADVERTISED_40000baseKR4_Full; 280 break; 281 case I40E_PHY_TYPE_40GBASE_SR4: 282 ecmd->supported = SUPPORTED_40000baseSR4_Full; 283 break; 284 case I40E_PHY_TYPE_40GBASE_LR4: 285 ecmd->supported = SUPPORTED_40000baseLR4_Full; 286 break; 287 case I40E_PHY_TYPE_20GBASE_KR2: 288 ecmd->supported = SUPPORTED_Autoneg | 289 SUPPORTED_20000baseKR2_Full; 290 ecmd->advertising = ADVERTISED_Autoneg | 291 ADVERTISED_20000baseKR2_Full; 292 break; 293 case I40E_PHY_TYPE_10GBASE_KX4: 294 ecmd->supported = SUPPORTED_Autoneg | 295 SUPPORTED_10000baseKX4_Full; 296 ecmd->advertising = ADVERTISED_Autoneg | 297 ADVERTISED_10000baseKX4_Full; 298 break; 299 case I40E_PHY_TYPE_10GBASE_KR: 300 ecmd->supported = SUPPORTED_Autoneg | 301 SUPPORTED_10000baseKR_Full; 302 ecmd->advertising = ADVERTISED_Autoneg | 303 ADVERTISED_10000baseKR_Full; 304 break; 305 case I40E_PHY_TYPE_10GBASE_SR: 306 case I40E_PHY_TYPE_10GBASE_LR: 307 case I40E_PHY_TYPE_1000BASE_SX: 308 case I40E_PHY_TYPE_1000BASE_LX: 309 ecmd->supported = SUPPORTED_10000baseT_Full | 310 SUPPORTED_1000baseT_Full; 311 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 312 ecmd->advertising |= ADVERTISED_10000baseT_Full; 313 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 314 ecmd->advertising |= ADVERTISED_1000baseT_Full; 315 break; 316 case I40E_PHY_TYPE_1000BASE_KX: 317 ecmd->supported = SUPPORTED_Autoneg | 318 SUPPORTED_1000baseKX_Full; 319 ecmd->advertising = ADVERTISED_Autoneg | 320 ADVERTISED_1000baseKX_Full; 321 break; 322 case I40E_PHY_TYPE_10GBASE_T: 323 case I40E_PHY_TYPE_1000BASE_T: 324 case I40E_PHY_TYPE_100BASE_TX: 325 ecmd->supported = SUPPORTED_Autoneg | 326 SUPPORTED_10000baseT_Full | 327 SUPPORTED_1000baseT_Full | 328 SUPPORTED_100baseT_Full; 329 ecmd->advertising = ADVERTISED_Autoneg; 330 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 331 ecmd->advertising |= ADVERTISED_10000baseT_Full; 332 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 333 ecmd->advertising |= ADVERTISED_1000baseT_Full; 334 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 335 ecmd->advertising |= ADVERTISED_100baseT_Full; 336 break; 337 case I40E_PHY_TYPE_10GBASE_CR1_CU: 338 case I40E_PHY_TYPE_10GBASE_CR1: 339 ecmd->supported = SUPPORTED_Autoneg | 340 SUPPORTED_10000baseT_Full; 341 ecmd->advertising = ADVERTISED_Autoneg | 342 ADVERTISED_10000baseT_Full; 343 break; 344 case I40E_PHY_TYPE_XAUI: 345 case I40E_PHY_TYPE_XFI: 346 case I40E_PHY_TYPE_SFI: 347 case I40E_PHY_TYPE_10GBASE_SFPP_CU: 348 case I40E_PHY_TYPE_10GBASE_AOC: 349 ecmd->supported = SUPPORTED_10000baseT_Full; 350 break; 351 case I40E_PHY_TYPE_SGMII: 352 ecmd->supported = SUPPORTED_Autoneg | 353 SUPPORTED_1000baseT_Full | 354 SUPPORTED_100baseT_Full; 355 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 356 ecmd->advertising |= ADVERTISED_1000baseT_Full; 357 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 358 ecmd->advertising |= ADVERTISED_100baseT_Full; 359 break; 360 default: 361 /* if we got here and link is up something bad is afoot */ 362 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n", 363 hw_link_info->phy_type); 364 } 365 366 /* Set speed and duplex */ 367 switch (link_speed) { 368 case I40E_LINK_SPEED_40GB: 369 ethtool_cmd_speed_set(ecmd, SPEED_40000); 370 break; 371 case I40E_LINK_SPEED_20GB: 372 ethtool_cmd_speed_set(ecmd, SPEED_20000); 373 break; 374 case I40E_LINK_SPEED_10GB: 375 ethtool_cmd_speed_set(ecmd, SPEED_10000); 376 break; 377 case I40E_LINK_SPEED_1GB: 378 ethtool_cmd_speed_set(ecmd, SPEED_1000); 379 break; 380 case I40E_LINK_SPEED_100MB: 381 ethtool_cmd_speed_set(ecmd, SPEED_100); 382 break; 383 default: 384 break; 385 } 386 ecmd->duplex = DUPLEX_FULL; 387 } 388 389 /** 390 * i40e_get_settings_link_down - Get the Link settings for when link is down 391 * @hw: hw structure 392 * @ecmd: ethtool command to fill in 393 * 394 * Reports link settings that can be determined when link is down 395 **/ 396 static void i40e_get_settings_link_down(struct i40e_hw *hw, 397 struct ethtool_cmd *ecmd) 398 { 399 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 400 401 /* link is down and the driver needs to fall back on 402 * device ID to determine what kinds of info to display, 403 * it's mostly a guess that may change when link is up 404 */ 405 switch (hw->device_id) { 406 case I40E_DEV_ID_QSFP_A: 407 case I40E_DEV_ID_QSFP_B: 408 case I40E_DEV_ID_QSFP_C: 409 /* pluggable QSFP */ 410 ecmd->supported = SUPPORTED_40000baseSR4_Full | 411 SUPPORTED_40000baseCR4_Full | 412 SUPPORTED_40000baseLR4_Full; 413 ecmd->advertising = ADVERTISED_40000baseSR4_Full | 414 ADVERTISED_40000baseCR4_Full | 415 ADVERTISED_40000baseLR4_Full; 416 break; 417 case I40E_DEV_ID_KX_B: 418 /* backplane 40G */ 419 ecmd->supported = SUPPORTED_40000baseKR4_Full; 420 ecmd->advertising = ADVERTISED_40000baseKR4_Full; 421 break; 422 case I40E_DEV_ID_KX_C: 423 /* backplane 10G */ 424 ecmd->supported = SUPPORTED_10000baseKR_Full; 425 ecmd->advertising = ADVERTISED_10000baseKR_Full; 426 break; 427 case I40E_DEV_ID_10G_BASE_T: 428 ecmd->supported = SUPPORTED_10000baseT_Full | 429 SUPPORTED_1000baseT_Full | 430 SUPPORTED_100baseT_Full; 431 /* Figure out what has been requested */ 432 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 433 ecmd->advertising |= ADVERTISED_10000baseT_Full; 434 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 435 ecmd->advertising |= ADVERTISED_1000baseT_Full; 436 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 437 ecmd->advertising |= ADVERTISED_100baseT_Full; 438 break; 439 case I40E_DEV_ID_20G_KR2: 440 /* backplane 20G */ 441 ecmd->supported = SUPPORTED_20000baseKR2_Full; 442 ecmd->advertising = ADVERTISED_20000baseKR2_Full; 443 break; 444 default: 445 /* all the rest are 10G/1G */ 446 ecmd->supported = SUPPORTED_10000baseT_Full | 447 SUPPORTED_1000baseT_Full; 448 /* Figure out what has been requested */ 449 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 450 ecmd->advertising |= ADVERTISED_10000baseT_Full; 451 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 452 ecmd->advertising |= ADVERTISED_1000baseT_Full; 453 break; 454 } 455 456 /* With no link speed and duplex are unknown */ 457 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN); 458 ecmd->duplex = DUPLEX_UNKNOWN; 459 } 460 461 /** 462 * i40e_get_settings - Get Link Speed and Duplex settings 463 * @netdev: network interface device structure 464 * @ecmd: ethtool command 465 * 466 * Reports speed/duplex settings based on media_type 467 **/ 468 static int i40e_get_settings(struct net_device *netdev, 469 struct ethtool_cmd *ecmd) 470 { 471 struct i40e_netdev_priv *np = netdev_priv(netdev); 472 struct i40e_pf *pf = np->vsi->back; 473 struct i40e_hw *hw = &pf->hw; 474 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 475 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 476 477 if (link_up) 478 i40e_get_settings_link_up(hw, ecmd, netdev); 479 else 480 i40e_get_settings_link_down(hw, ecmd); 481 482 /* Now set the settings that don't rely on link being up/down */ 483 484 /* Set autoneg settings */ 485 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 486 AUTONEG_ENABLE : AUTONEG_DISABLE); 487 488 switch (hw->phy.media_type) { 489 case I40E_MEDIA_TYPE_BACKPLANE: 490 ecmd->supported |= SUPPORTED_Autoneg | 491 SUPPORTED_Backplane; 492 ecmd->advertising |= ADVERTISED_Autoneg | 493 ADVERTISED_Backplane; 494 ecmd->port = PORT_NONE; 495 break; 496 case I40E_MEDIA_TYPE_BASET: 497 ecmd->supported |= SUPPORTED_TP; 498 ecmd->advertising |= ADVERTISED_TP; 499 ecmd->port = PORT_TP; 500 break; 501 case I40E_MEDIA_TYPE_DA: 502 case I40E_MEDIA_TYPE_CX4: 503 ecmd->supported |= SUPPORTED_FIBRE; 504 ecmd->advertising |= ADVERTISED_FIBRE; 505 ecmd->port = PORT_DA; 506 break; 507 case I40E_MEDIA_TYPE_FIBER: 508 ecmd->supported |= SUPPORTED_FIBRE; 509 ecmd->port = PORT_FIBRE; 510 break; 511 case I40E_MEDIA_TYPE_UNKNOWN: 512 default: 513 ecmd->port = PORT_OTHER; 514 break; 515 } 516 517 /* Set transceiver */ 518 ecmd->transceiver = XCVR_EXTERNAL; 519 520 /* Set flow control settings */ 521 ecmd->supported |= SUPPORTED_Pause; 522 523 switch (hw->fc.requested_mode) { 524 case I40E_FC_FULL: 525 ecmd->advertising |= ADVERTISED_Pause; 526 break; 527 case I40E_FC_TX_PAUSE: 528 ecmd->advertising |= ADVERTISED_Asym_Pause; 529 break; 530 case I40E_FC_RX_PAUSE: 531 ecmd->advertising |= (ADVERTISED_Pause | 532 ADVERTISED_Asym_Pause); 533 break; 534 default: 535 ecmd->advertising &= ~(ADVERTISED_Pause | 536 ADVERTISED_Asym_Pause); 537 break; 538 } 539 540 return 0; 541 } 542 543 /** 544 * i40e_set_settings - Set Speed and Duplex 545 * @netdev: network interface device structure 546 * @ecmd: ethtool command 547 * 548 * Set speed/duplex per media_types advertised/forced 549 **/ 550 static int i40e_set_settings(struct net_device *netdev, 551 struct ethtool_cmd *ecmd) 552 { 553 struct i40e_netdev_priv *np = netdev_priv(netdev); 554 struct i40e_aq_get_phy_abilities_resp abilities; 555 struct i40e_aq_set_phy_config config; 556 struct i40e_pf *pf = np->vsi->back; 557 struct i40e_vsi *vsi = np->vsi; 558 struct i40e_hw *hw = &pf->hw; 559 struct ethtool_cmd safe_ecmd; 560 i40e_status status = 0; 561 bool change = false; 562 int err = 0; 563 u8 autoneg; 564 u32 advertise; 565 566 /* Changing port settings is not supported if this isn't the 567 * port's controlling PF 568 */ 569 if (hw->partition_id != 1) { 570 i40e_partition_setting_complaint(pf); 571 return -EOPNOTSUPP; 572 } 573 574 if (vsi != pf->vsi[pf->lan_vsi]) 575 return -EOPNOTSUPP; 576 577 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET && 578 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER && 579 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE && 580 hw->phy.link_info.link_info & I40E_AQ_LINK_UP) 581 return -EOPNOTSUPP; 582 583 /* get our own copy of the bits to check against */ 584 memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd)); 585 i40e_get_settings(netdev, &safe_ecmd); 586 587 /* save autoneg and speed out of ecmd */ 588 autoneg = ecmd->autoneg; 589 advertise = ecmd->advertising; 590 591 /* set autoneg and speed back to what they currently are */ 592 ecmd->autoneg = safe_ecmd.autoneg; 593 ecmd->advertising = safe_ecmd.advertising; 594 595 ecmd->cmd = safe_ecmd.cmd; 596 /* If ecmd and safe_ecmd are not the same now, then they are 597 * trying to set something that we do not support 598 */ 599 if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd))) 600 return -EOPNOTSUPP; 601 602 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state)) 603 usleep_range(1000, 2000); 604 605 /* Get the current phy config */ 606 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities, 607 NULL); 608 if (status) 609 return -EAGAIN; 610 611 /* Copy abilities to config in case autoneg is not 612 * set below 613 */ 614 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config)); 615 config.abilities = abilities.abilities; 616 617 /* Check autoneg */ 618 if (autoneg == AUTONEG_ENABLE) { 619 /* If autoneg is not supported, return error */ 620 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) { 621 netdev_info(netdev, "Autoneg not supported on this phy\n"); 622 return -EINVAL; 623 } 624 /* If autoneg was not already enabled */ 625 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) { 626 config.abilities = abilities.abilities | 627 I40E_AQ_PHY_ENABLE_AN; 628 change = true; 629 } 630 } else { 631 /* If autoneg is supported 10GBASE_T is the only phy that 632 * can disable it, so otherwise return error 633 */ 634 if (safe_ecmd.supported & SUPPORTED_Autoneg && 635 hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) { 636 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 637 return -EINVAL; 638 } 639 /* If autoneg is currently enabled */ 640 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) { 641 config.abilities = abilities.abilities & 642 ~I40E_AQ_PHY_ENABLE_AN; 643 change = true; 644 } 645 } 646 647 if (advertise & ~safe_ecmd.supported) 648 return -EINVAL; 649 650 if (advertise & ADVERTISED_100baseT_Full) 651 config.link_speed |= I40E_LINK_SPEED_100MB; 652 if (advertise & ADVERTISED_1000baseT_Full || 653 advertise & ADVERTISED_1000baseKX_Full) 654 config.link_speed |= I40E_LINK_SPEED_1GB; 655 if (advertise & ADVERTISED_10000baseT_Full || 656 advertise & ADVERTISED_10000baseKX4_Full || 657 advertise & ADVERTISED_10000baseKR_Full) 658 config.link_speed |= I40E_LINK_SPEED_10GB; 659 if (advertise & ADVERTISED_20000baseKR2_Full) 660 config.link_speed |= I40E_LINK_SPEED_20GB; 661 if (advertise & ADVERTISED_40000baseKR4_Full || 662 advertise & ADVERTISED_40000baseCR4_Full || 663 advertise & ADVERTISED_40000baseSR4_Full || 664 advertise & ADVERTISED_40000baseLR4_Full) 665 config.link_speed |= I40E_LINK_SPEED_40GB; 666 667 if (change || (abilities.link_speed != config.link_speed)) { 668 /* copy over the rest of the abilities */ 669 config.phy_type = abilities.phy_type; 670 config.eee_capability = abilities.eee_capability; 671 config.eeer = abilities.eeer_val; 672 config.low_power_ctrl = abilities.d3_lpan; 673 674 /* save the requested speeds */ 675 hw->phy.link_info.requested_speeds = config.link_speed; 676 /* set link and auto negotiation so changes take effect */ 677 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK; 678 /* If link is up put link down */ 679 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) { 680 /* Tell the OS link is going down, the link will go 681 * back up when fw says it is ready asynchronously 682 */ 683 netdev_info(netdev, "PHY settings change requested, NIC Link is going down.\n"); 684 netif_carrier_off(netdev); 685 netif_tx_stop_all_queues(netdev); 686 } 687 688 /* make the aq call */ 689 status = i40e_aq_set_phy_config(hw, &config, NULL); 690 if (status) { 691 netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n", 692 i40e_stat_str(hw, status), 693 i40e_aq_str(hw, hw->aq.asq_last_status)); 694 return -EAGAIN; 695 } 696 697 status = i40e_aq_get_link_info(hw, true, NULL, NULL); 698 if (status) 699 netdev_info(netdev, "Updating link info failed with err %s aq_err %s\n", 700 i40e_stat_str(hw, status), 701 i40e_aq_str(hw, hw->aq.asq_last_status)); 702 703 } else { 704 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 705 } 706 707 return err; 708 } 709 710 static int i40e_nway_reset(struct net_device *netdev) 711 { 712 /* restart autonegotiation */ 713 struct i40e_netdev_priv *np = netdev_priv(netdev); 714 struct i40e_pf *pf = np->vsi->back; 715 struct i40e_hw *hw = &pf->hw; 716 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP; 717 i40e_status ret = 0; 718 719 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL); 720 if (ret) { 721 netdev_info(netdev, "link restart failed, err %s aq_err %s\n", 722 i40e_stat_str(hw, ret), 723 i40e_aq_str(hw, hw->aq.asq_last_status)); 724 return -EIO; 725 } 726 727 return 0; 728 } 729 730 /** 731 * i40e_get_pauseparam - Get Flow Control status 732 * Return tx/rx-pause status 733 **/ 734 static void i40e_get_pauseparam(struct net_device *netdev, 735 struct ethtool_pauseparam *pause) 736 { 737 struct i40e_netdev_priv *np = netdev_priv(netdev); 738 struct i40e_pf *pf = np->vsi->back; 739 struct i40e_hw *hw = &pf->hw; 740 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 741 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 742 743 pause->autoneg = 744 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 745 AUTONEG_ENABLE : AUTONEG_DISABLE); 746 747 /* PFC enabled so report LFC as off */ 748 if (dcbx_cfg->pfc.pfcenable) { 749 pause->rx_pause = 0; 750 pause->tx_pause = 0; 751 return; 752 } 753 754 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) { 755 pause->rx_pause = 1; 756 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) { 757 pause->tx_pause = 1; 758 } else if (hw->fc.current_mode == I40E_FC_FULL) { 759 pause->rx_pause = 1; 760 pause->tx_pause = 1; 761 } 762 } 763 764 /** 765 * i40e_set_pauseparam - Set Flow Control parameter 766 * @netdev: network interface device structure 767 * @pause: return tx/rx flow control status 768 **/ 769 static int i40e_set_pauseparam(struct net_device *netdev, 770 struct ethtool_pauseparam *pause) 771 { 772 struct i40e_netdev_priv *np = netdev_priv(netdev); 773 struct i40e_pf *pf = np->vsi->back; 774 struct i40e_vsi *vsi = np->vsi; 775 struct i40e_hw *hw = &pf->hw; 776 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 777 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 778 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 779 i40e_status status; 780 u8 aq_failures; 781 int err = 0; 782 783 /* Changing the port's flow control is not supported if this isn't the 784 * port's controlling PF 785 */ 786 if (hw->partition_id != 1) { 787 i40e_partition_setting_complaint(pf); 788 return -EOPNOTSUPP; 789 } 790 791 if (vsi != pf->vsi[pf->lan_vsi]) 792 return -EOPNOTSUPP; 793 794 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 795 AUTONEG_ENABLE : AUTONEG_DISABLE)) { 796 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 797 return -EOPNOTSUPP; 798 } 799 800 /* If we have link and don't have autoneg */ 801 if (!test_bit(__I40E_DOWN, &pf->state) && 802 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) { 803 /* Send message that it might not necessarily work*/ 804 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 805 } 806 807 if (dcbx_cfg->pfc.pfcenable) { 808 netdev_info(netdev, 809 "Priority flow control enabled. Cannot set link flow control.\n"); 810 return -EOPNOTSUPP; 811 } 812 813 if (pause->rx_pause && pause->tx_pause) 814 hw->fc.requested_mode = I40E_FC_FULL; 815 else if (pause->rx_pause && !pause->tx_pause) 816 hw->fc.requested_mode = I40E_FC_RX_PAUSE; 817 else if (!pause->rx_pause && pause->tx_pause) 818 hw->fc.requested_mode = I40E_FC_TX_PAUSE; 819 else if (!pause->rx_pause && !pause->tx_pause) 820 hw->fc.requested_mode = I40E_FC_NONE; 821 else 822 return -EINVAL; 823 824 /* Tell the OS link is going down, the link will go back up when fw 825 * says it is ready asynchronously 826 */ 827 netdev_info(netdev, "Flow control settings change requested, NIC Link is going down.\n"); 828 netif_carrier_off(netdev); 829 netif_tx_stop_all_queues(netdev); 830 831 /* Set the fc mode and only restart an if link is up*/ 832 status = i40e_set_fc(hw, &aq_failures, link_up); 833 834 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) { 835 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 836 i40e_stat_str(hw, status), 837 i40e_aq_str(hw, hw->aq.asq_last_status)); 838 err = -EAGAIN; 839 } 840 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) { 841 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 842 i40e_stat_str(hw, status), 843 i40e_aq_str(hw, hw->aq.asq_last_status)); 844 err = -EAGAIN; 845 } 846 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) { 847 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 848 i40e_stat_str(hw, status), 849 i40e_aq_str(hw, hw->aq.asq_last_status)); 850 err = -EAGAIN; 851 } 852 853 if (!test_bit(__I40E_DOWN, &pf->state)) { 854 /* Give it a little more time to try to come back */ 855 msleep(75); 856 if (!test_bit(__I40E_DOWN, &pf->state)) 857 return i40e_nway_reset(netdev); 858 } 859 860 return err; 861 } 862 863 static u32 i40e_get_msglevel(struct net_device *netdev) 864 { 865 struct i40e_netdev_priv *np = netdev_priv(netdev); 866 struct i40e_pf *pf = np->vsi->back; 867 868 return pf->msg_enable; 869 } 870 871 static void i40e_set_msglevel(struct net_device *netdev, u32 data) 872 { 873 struct i40e_netdev_priv *np = netdev_priv(netdev); 874 struct i40e_pf *pf = np->vsi->back; 875 876 if (I40E_DEBUG_USER & data) 877 pf->hw.debug_mask = data; 878 pf->msg_enable = data; 879 } 880 881 static int i40e_get_regs_len(struct net_device *netdev) 882 { 883 int reg_count = 0; 884 int i; 885 886 for (i = 0; i40e_reg_list[i].offset != 0; i++) 887 reg_count += i40e_reg_list[i].elements; 888 889 return reg_count * sizeof(u32); 890 } 891 892 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs, 893 void *p) 894 { 895 struct i40e_netdev_priv *np = netdev_priv(netdev); 896 struct i40e_pf *pf = np->vsi->back; 897 struct i40e_hw *hw = &pf->hw; 898 u32 *reg_buf = p; 899 int i, j, ri; 900 u32 reg; 901 902 /* Tell ethtool which driver-version-specific regs output we have. 903 * 904 * At some point, if we have ethtool doing special formatting of 905 * this data, it will rely on this version number to know how to 906 * interpret things. Hence, this needs to be updated if/when the 907 * diags register table is changed. 908 */ 909 regs->version = 1; 910 911 /* loop through the diags reg table for what to print */ 912 ri = 0; 913 for (i = 0; i40e_reg_list[i].offset != 0; i++) { 914 for (j = 0; j < i40e_reg_list[i].elements; j++) { 915 reg = i40e_reg_list[i].offset 916 + (j * i40e_reg_list[i].stride); 917 reg_buf[ri++] = rd32(hw, reg); 918 } 919 } 920 921 } 922 923 static int i40e_get_eeprom(struct net_device *netdev, 924 struct ethtool_eeprom *eeprom, u8 *bytes) 925 { 926 struct i40e_netdev_priv *np = netdev_priv(netdev); 927 struct i40e_hw *hw = &np->vsi->back->hw; 928 struct i40e_pf *pf = np->vsi->back; 929 int ret_val = 0, len, offset; 930 u8 *eeprom_buff; 931 u16 i, sectors; 932 bool last; 933 u32 magic; 934 935 #define I40E_NVM_SECTOR_SIZE 4096 936 if (eeprom->len == 0) 937 return -EINVAL; 938 939 /* check for NVMUpdate access method */ 940 magic = hw->vendor_id | (hw->device_id << 16); 941 if (eeprom->magic && eeprom->magic != magic) { 942 struct i40e_nvm_access *cmd; 943 int errno; 944 945 /* make sure it is the right magic for NVMUpdate */ 946 if ((eeprom->magic >> 16) != hw->device_id) 947 return -EINVAL; 948 949 cmd = (struct i40e_nvm_access *)eeprom; 950 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 951 if (ret_val && 952 ((hw->aq.asq_last_status != I40E_AQ_RC_EACCES) || 953 (hw->debug_mask & I40E_DEBUG_NVM))) 954 dev_info(&pf->pdev->dev, 955 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 956 ret_val, hw->aq.asq_last_status, errno, 957 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 958 cmd->offset, cmd->data_size); 959 960 return errno; 961 } 962 963 /* normal ethtool get_eeprom support */ 964 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 965 966 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL); 967 if (!eeprom_buff) 968 return -ENOMEM; 969 970 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); 971 if (ret_val) { 972 dev_info(&pf->pdev->dev, 973 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 974 ret_val, hw->aq.asq_last_status); 975 goto free_buff; 976 } 977 978 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE; 979 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0; 980 len = I40E_NVM_SECTOR_SIZE; 981 last = false; 982 for (i = 0; i < sectors; i++) { 983 if (i == (sectors - 1)) { 984 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i); 985 last = true; 986 } 987 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i), 988 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len, 989 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i), 990 last, NULL); 991 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) { 992 dev_info(&pf->pdev->dev, 993 "read NVM failed, invalid offset 0x%x\n", 994 offset); 995 break; 996 } else if (ret_val && 997 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) { 998 dev_info(&pf->pdev->dev, 999 "read NVM failed, access, offset 0x%x\n", 1000 offset); 1001 break; 1002 } else if (ret_val) { 1003 dev_info(&pf->pdev->dev, 1004 "read NVM failed offset %d err=%d status=0x%x\n", 1005 offset, ret_val, hw->aq.asq_last_status); 1006 break; 1007 } 1008 } 1009 1010 i40e_release_nvm(hw); 1011 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len); 1012 free_buff: 1013 kfree(eeprom_buff); 1014 return ret_val; 1015 } 1016 1017 static int i40e_get_eeprom_len(struct net_device *netdev) 1018 { 1019 struct i40e_netdev_priv *np = netdev_priv(netdev); 1020 struct i40e_hw *hw = &np->vsi->back->hw; 1021 u32 val; 1022 1023 val = (rd32(hw, I40E_GLPCI_LBARCTRL) 1024 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK) 1025 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT; 1026 /* register returns value in power of 2, 64Kbyte chunks. */ 1027 val = (64 * 1024) * BIT(val); 1028 return val; 1029 } 1030 1031 static int i40e_set_eeprom(struct net_device *netdev, 1032 struct ethtool_eeprom *eeprom, u8 *bytes) 1033 { 1034 struct i40e_netdev_priv *np = netdev_priv(netdev); 1035 struct i40e_hw *hw = &np->vsi->back->hw; 1036 struct i40e_pf *pf = np->vsi->back; 1037 struct i40e_nvm_access *cmd; 1038 int ret_val = 0; 1039 int errno; 1040 u32 magic; 1041 1042 /* normal ethtool set_eeprom is not supported */ 1043 magic = hw->vendor_id | (hw->device_id << 16); 1044 if (eeprom->magic == magic) 1045 return -EOPNOTSUPP; 1046 1047 /* check for NVMUpdate access method */ 1048 if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id) 1049 return -EINVAL; 1050 1051 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 1052 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 1053 return -EBUSY; 1054 1055 cmd = (struct i40e_nvm_access *)eeprom; 1056 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 1057 if (ret_val && 1058 ((hw->aq.asq_last_status != I40E_AQ_RC_EPERM && 1059 hw->aq.asq_last_status != I40E_AQ_RC_EBUSY) || 1060 (hw->debug_mask & I40E_DEBUG_NVM))) 1061 dev_info(&pf->pdev->dev, 1062 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 1063 ret_val, hw->aq.asq_last_status, errno, 1064 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 1065 cmd->offset, cmd->data_size); 1066 1067 return errno; 1068 } 1069 1070 static void i40e_get_drvinfo(struct net_device *netdev, 1071 struct ethtool_drvinfo *drvinfo) 1072 { 1073 struct i40e_netdev_priv *np = netdev_priv(netdev); 1074 struct i40e_vsi *vsi = np->vsi; 1075 struct i40e_pf *pf = vsi->back; 1076 1077 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver)); 1078 strlcpy(drvinfo->version, i40e_driver_version_str, 1079 sizeof(drvinfo->version)); 1080 strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw), 1081 sizeof(drvinfo->fw_version)); 1082 strlcpy(drvinfo->bus_info, pci_name(pf->pdev), 1083 sizeof(drvinfo->bus_info)); 1084 drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN; 1085 } 1086 1087 static void i40e_get_ringparam(struct net_device *netdev, 1088 struct ethtool_ringparam *ring) 1089 { 1090 struct i40e_netdev_priv *np = netdev_priv(netdev); 1091 struct i40e_pf *pf = np->vsi->back; 1092 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; 1093 1094 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1095 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1096 ring->rx_mini_max_pending = 0; 1097 ring->rx_jumbo_max_pending = 0; 1098 ring->rx_pending = vsi->rx_rings[0]->count; 1099 ring->tx_pending = vsi->tx_rings[0]->count; 1100 ring->rx_mini_pending = 0; 1101 ring->rx_jumbo_pending = 0; 1102 } 1103 1104 static int i40e_set_ringparam(struct net_device *netdev, 1105 struct ethtool_ringparam *ring) 1106 { 1107 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL; 1108 struct i40e_netdev_priv *np = netdev_priv(netdev); 1109 struct i40e_vsi *vsi = np->vsi; 1110 struct i40e_pf *pf = vsi->back; 1111 u32 new_rx_count, new_tx_count; 1112 int i, err = 0; 1113 1114 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 1115 return -EINVAL; 1116 1117 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS || 1118 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS || 1119 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS || 1120 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) { 1121 netdev_info(netdev, 1122 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n", 1123 ring->tx_pending, ring->rx_pending, 1124 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS); 1125 return -EINVAL; 1126 } 1127 1128 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1129 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1130 1131 /* if nothing to do return success */ 1132 if ((new_tx_count == vsi->tx_rings[0]->count) && 1133 (new_rx_count == vsi->rx_rings[0]->count)) 1134 return 0; 1135 1136 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state)) 1137 usleep_range(1000, 2000); 1138 1139 if (!netif_running(vsi->netdev)) { 1140 /* simple case - set for the next time the netdev is started */ 1141 for (i = 0; i < vsi->num_queue_pairs; i++) { 1142 vsi->tx_rings[i]->count = new_tx_count; 1143 vsi->rx_rings[i]->count = new_rx_count; 1144 } 1145 goto done; 1146 } 1147 1148 /* We can't just free everything and then setup again, 1149 * because the ISRs in MSI-X mode get passed pointers 1150 * to the Tx and Rx ring structs. 1151 */ 1152 1153 /* alloc updated Tx resources */ 1154 if (new_tx_count != vsi->tx_rings[0]->count) { 1155 netdev_info(netdev, 1156 "Changing Tx descriptor count from %d to %d.\n", 1157 vsi->tx_rings[0]->count, new_tx_count); 1158 tx_rings = kcalloc(vsi->alloc_queue_pairs, 1159 sizeof(struct i40e_ring), GFP_KERNEL); 1160 if (!tx_rings) { 1161 err = -ENOMEM; 1162 goto done; 1163 } 1164 1165 for (i = 0; i < vsi->num_queue_pairs; i++) { 1166 /* clone ring and setup updated count */ 1167 tx_rings[i] = *vsi->tx_rings[i]; 1168 tx_rings[i].count = new_tx_count; 1169 err = i40e_setup_tx_descriptors(&tx_rings[i]); 1170 if (err) { 1171 while (i) { 1172 i--; 1173 i40e_free_tx_resources(&tx_rings[i]); 1174 } 1175 kfree(tx_rings); 1176 tx_rings = NULL; 1177 1178 goto done; 1179 } 1180 } 1181 } 1182 1183 /* alloc updated Rx resources */ 1184 if (new_rx_count != vsi->rx_rings[0]->count) { 1185 netdev_info(netdev, 1186 "Changing Rx descriptor count from %d to %d\n", 1187 vsi->rx_rings[0]->count, new_rx_count); 1188 rx_rings = kcalloc(vsi->alloc_queue_pairs, 1189 sizeof(struct i40e_ring), GFP_KERNEL); 1190 if (!rx_rings) { 1191 err = -ENOMEM; 1192 goto free_tx; 1193 } 1194 1195 for (i = 0; i < vsi->num_queue_pairs; i++) { 1196 /* clone ring and setup updated count */ 1197 rx_rings[i] = *vsi->rx_rings[i]; 1198 rx_rings[i].count = new_rx_count; 1199 err = i40e_setup_rx_descriptors(&rx_rings[i]); 1200 if (err) { 1201 while (i) { 1202 i--; 1203 i40e_free_rx_resources(&rx_rings[i]); 1204 } 1205 kfree(rx_rings); 1206 rx_rings = NULL; 1207 1208 goto free_tx; 1209 } 1210 } 1211 } 1212 1213 /* Bring interface down, copy in the new ring info, 1214 * then restore the interface 1215 */ 1216 i40e_down(vsi); 1217 1218 if (tx_rings) { 1219 for (i = 0; i < vsi->num_queue_pairs; i++) { 1220 i40e_free_tx_resources(vsi->tx_rings[i]); 1221 *vsi->tx_rings[i] = tx_rings[i]; 1222 } 1223 kfree(tx_rings); 1224 tx_rings = NULL; 1225 } 1226 1227 if (rx_rings) { 1228 for (i = 0; i < vsi->num_queue_pairs; i++) { 1229 i40e_free_rx_resources(vsi->rx_rings[i]); 1230 *vsi->rx_rings[i] = rx_rings[i]; 1231 } 1232 kfree(rx_rings); 1233 rx_rings = NULL; 1234 } 1235 1236 i40e_up(vsi); 1237 1238 free_tx: 1239 /* error cleanup if the Rx allocations failed after getting Tx */ 1240 if (tx_rings) { 1241 for (i = 0; i < vsi->num_queue_pairs; i++) 1242 i40e_free_tx_resources(&tx_rings[i]); 1243 kfree(tx_rings); 1244 tx_rings = NULL; 1245 } 1246 1247 done: 1248 clear_bit(__I40E_CONFIG_BUSY, &pf->state); 1249 1250 return err; 1251 } 1252 1253 static int i40e_get_sset_count(struct net_device *netdev, int sset) 1254 { 1255 struct i40e_netdev_priv *np = netdev_priv(netdev); 1256 struct i40e_vsi *vsi = np->vsi; 1257 struct i40e_pf *pf = vsi->back; 1258 1259 switch (sset) { 1260 case ETH_SS_TEST: 1261 return I40E_TEST_LEN; 1262 case ETH_SS_STATS: 1263 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) { 1264 int len = I40E_PF_STATS_LEN(netdev); 1265 1266 if (pf->lan_veb != I40E_NO_VEB) 1267 len += I40E_VEB_STATS_TOTAL; 1268 return len; 1269 } else { 1270 return I40E_VSI_STATS_LEN(netdev); 1271 } 1272 case ETH_SS_PRIV_FLAGS: 1273 return I40E_PRIV_FLAGS_STR_LEN; 1274 default: 1275 return -EOPNOTSUPP; 1276 } 1277 } 1278 1279 static void i40e_get_ethtool_stats(struct net_device *netdev, 1280 struct ethtool_stats *stats, u64 *data) 1281 { 1282 struct i40e_netdev_priv *np = netdev_priv(netdev); 1283 struct i40e_ring *tx_ring, *rx_ring; 1284 struct i40e_vsi *vsi = np->vsi; 1285 struct i40e_pf *pf = vsi->back; 1286 int i = 0; 1287 char *p; 1288 int j; 1289 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi); 1290 unsigned int start; 1291 1292 i40e_update_stats(vsi); 1293 1294 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) { 1295 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset; 1296 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat == 1297 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1298 } 1299 for (j = 0; j < I40E_MISC_STATS_LEN; j++) { 1300 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset; 1301 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat == 1302 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1303 } 1304 #ifdef I40E_FCOE 1305 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) { 1306 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset; 1307 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat == 1308 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1309 } 1310 #endif 1311 rcu_read_lock(); 1312 for (j = 0; j < vsi->num_queue_pairs; j++) { 1313 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]); 1314 1315 if (!tx_ring) 1316 continue; 1317 1318 /* process Tx ring statistics */ 1319 do { 1320 start = u64_stats_fetch_begin_irq(&tx_ring->syncp); 1321 data[i] = tx_ring->stats.packets; 1322 data[i + 1] = tx_ring->stats.bytes; 1323 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start)); 1324 i += 2; 1325 1326 /* Rx ring is the 2nd half of the queue pair */ 1327 rx_ring = &tx_ring[1]; 1328 do { 1329 start = u64_stats_fetch_begin_irq(&rx_ring->syncp); 1330 data[i] = rx_ring->stats.packets; 1331 data[i + 1] = rx_ring->stats.bytes; 1332 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start)); 1333 i += 2; 1334 } 1335 rcu_read_unlock(); 1336 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1337 return; 1338 1339 if (pf->lan_veb != I40E_NO_VEB) { 1340 struct i40e_veb *veb = pf->veb[pf->lan_veb]; 1341 for (j = 0; j < I40E_VEB_STATS_LEN; j++) { 1342 p = (char *)veb; 1343 p += i40e_gstrings_veb_stats[j].stat_offset; 1344 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat == 1345 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1346 } 1347 } 1348 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) { 1349 p = (char *)pf + i40e_gstrings_stats[j].stat_offset; 1350 data[i++] = (i40e_gstrings_stats[j].sizeof_stat == 1351 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1352 } 1353 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1354 data[i++] = pf->stats.priority_xon_tx[j]; 1355 data[i++] = pf->stats.priority_xoff_tx[j]; 1356 } 1357 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1358 data[i++] = pf->stats.priority_xon_rx[j]; 1359 data[i++] = pf->stats.priority_xoff_rx[j]; 1360 } 1361 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) 1362 data[i++] = pf->stats.priority_xon_2_xoff[j]; 1363 } 1364 1365 static void i40e_get_strings(struct net_device *netdev, u32 stringset, 1366 u8 *data) 1367 { 1368 struct i40e_netdev_priv *np = netdev_priv(netdev); 1369 struct i40e_vsi *vsi = np->vsi; 1370 struct i40e_pf *pf = vsi->back; 1371 char *p = (char *)data; 1372 int i; 1373 1374 switch (stringset) { 1375 case ETH_SS_TEST: 1376 for (i = 0; i < I40E_TEST_LEN; i++) { 1377 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN); 1378 data += ETH_GSTRING_LEN; 1379 } 1380 break; 1381 case ETH_SS_STATS: 1382 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) { 1383 snprintf(p, ETH_GSTRING_LEN, "%s", 1384 i40e_gstrings_net_stats[i].stat_string); 1385 p += ETH_GSTRING_LEN; 1386 } 1387 for (i = 0; i < I40E_MISC_STATS_LEN; i++) { 1388 snprintf(p, ETH_GSTRING_LEN, "%s", 1389 i40e_gstrings_misc_stats[i].stat_string); 1390 p += ETH_GSTRING_LEN; 1391 } 1392 #ifdef I40E_FCOE 1393 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) { 1394 snprintf(p, ETH_GSTRING_LEN, "%s", 1395 i40e_gstrings_fcoe_stats[i].stat_string); 1396 p += ETH_GSTRING_LEN; 1397 } 1398 #endif 1399 for (i = 0; i < vsi->num_queue_pairs; i++) { 1400 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i); 1401 p += ETH_GSTRING_LEN; 1402 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i); 1403 p += ETH_GSTRING_LEN; 1404 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i); 1405 p += ETH_GSTRING_LEN; 1406 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i); 1407 p += ETH_GSTRING_LEN; 1408 } 1409 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1410 return; 1411 1412 if (pf->lan_veb != I40E_NO_VEB) { 1413 for (i = 0; i < I40E_VEB_STATS_LEN; i++) { 1414 snprintf(p, ETH_GSTRING_LEN, "veb.%s", 1415 i40e_gstrings_veb_stats[i].stat_string); 1416 p += ETH_GSTRING_LEN; 1417 } 1418 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1419 snprintf(p, ETH_GSTRING_LEN, 1420 "veb.tc_%u_tx_packets", i); 1421 p += ETH_GSTRING_LEN; 1422 snprintf(p, ETH_GSTRING_LEN, 1423 "veb.tc_%u_tx_bytes", i); 1424 p += ETH_GSTRING_LEN; 1425 snprintf(p, ETH_GSTRING_LEN, 1426 "veb.tc_%u_rx_packets", i); 1427 p += ETH_GSTRING_LEN; 1428 snprintf(p, ETH_GSTRING_LEN, 1429 "veb.tc_%u_rx_bytes", i); 1430 p += ETH_GSTRING_LEN; 1431 } 1432 } 1433 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) { 1434 snprintf(p, ETH_GSTRING_LEN, "port.%s", 1435 i40e_gstrings_stats[i].stat_string); 1436 p += ETH_GSTRING_LEN; 1437 } 1438 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1439 snprintf(p, ETH_GSTRING_LEN, 1440 "port.tx_priority_%u_xon", i); 1441 p += ETH_GSTRING_LEN; 1442 snprintf(p, ETH_GSTRING_LEN, 1443 "port.tx_priority_%u_xoff", i); 1444 p += ETH_GSTRING_LEN; 1445 } 1446 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1447 snprintf(p, ETH_GSTRING_LEN, 1448 "port.rx_priority_%u_xon", i); 1449 p += ETH_GSTRING_LEN; 1450 snprintf(p, ETH_GSTRING_LEN, 1451 "port.rx_priority_%u_xoff", i); 1452 p += ETH_GSTRING_LEN; 1453 } 1454 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1455 snprintf(p, ETH_GSTRING_LEN, 1456 "port.rx_priority_%u_xon_2_xoff", i); 1457 p += ETH_GSTRING_LEN; 1458 } 1459 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */ 1460 break; 1461 case ETH_SS_PRIV_FLAGS: 1462 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) { 1463 memcpy(data, i40e_priv_flags_strings[i], 1464 ETH_GSTRING_LEN); 1465 data += ETH_GSTRING_LEN; 1466 } 1467 break; 1468 default: 1469 break; 1470 } 1471 } 1472 1473 static int i40e_get_ts_info(struct net_device *dev, 1474 struct ethtool_ts_info *info) 1475 { 1476 struct i40e_pf *pf = i40e_netdev_to_pf(dev); 1477 1478 /* only report HW timestamping if PTP is enabled */ 1479 if (!(pf->flags & I40E_FLAG_PTP)) 1480 return ethtool_op_get_ts_info(dev, info); 1481 1482 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 1483 SOF_TIMESTAMPING_RX_SOFTWARE | 1484 SOF_TIMESTAMPING_SOFTWARE | 1485 SOF_TIMESTAMPING_TX_HARDWARE | 1486 SOF_TIMESTAMPING_RX_HARDWARE | 1487 SOF_TIMESTAMPING_RAW_HARDWARE; 1488 1489 if (pf->ptp_clock) 1490 info->phc_index = ptp_clock_index(pf->ptp_clock); 1491 else 1492 info->phc_index = -1; 1493 1494 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 1495 1496 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | 1497 BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | 1498 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT); 1499 1500 return 0; 1501 } 1502 1503 static int i40e_link_test(struct net_device *netdev, u64 *data) 1504 { 1505 struct i40e_netdev_priv *np = netdev_priv(netdev); 1506 struct i40e_pf *pf = np->vsi->back; 1507 1508 netif_info(pf, hw, netdev, "link test\n"); 1509 if (i40e_get_link_status(&pf->hw)) 1510 *data = 0; 1511 else 1512 *data = 1; 1513 1514 return *data; 1515 } 1516 1517 static int i40e_reg_test(struct net_device *netdev, u64 *data) 1518 { 1519 struct i40e_netdev_priv *np = netdev_priv(netdev); 1520 struct i40e_pf *pf = np->vsi->back; 1521 1522 netif_info(pf, hw, netdev, "register test\n"); 1523 *data = i40e_diag_reg_test(&pf->hw); 1524 1525 return *data; 1526 } 1527 1528 static int i40e_eeprom_test(struct net_device *netdev, u64 *data) 1529 { 1530 struct i40e_netdev_priv *np = netdev_priv(netdev); 1531 struct i40e_pf *pf = np->vsi->back; 1532 1533 netif_info(pf, hw, netdev, "eeprom test\n"); 1534 *data = i40e_diag_eeprom_test(&pf->hw); 1535 1536 /* forcebly clear the NVM Update state machine */ 1537 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT; 1538 1539 return *data; 1540 } 1541 1542 static int i40e_intr_test(struct net_device *netdev, u64 *data) 1543 { 1544 struct i40e_netdev_priv *np = netdev_priv(netdev); 1545 struct i40e_pf *pf = np->vsi->back; 1546 u16 swc_old = pf->sw_int_count; 1547 1548 netif_info(pf, hw, netdev, "interrupt test\n"); 1549 wr32(&pf->hw, I40E_PFINT_DYN_CTL0, 1550 (I40E_PFINT_DYN_CTL0_INTENA_MASK | 1551 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK | 1552 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK | 1553 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK | 1554 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK)); 1555 usleep_range(1000, 2000); 1556 *data = (swc_old == pf->sw_int_count); 1557 1558 return *data; 1559 } 1560 1561 static int i40e_loopback_test(struct net_device *netdev, u64 *data) 1562 { 1563 struct i40e_netdev_priv *np = netdev_priv(netdev); 1564 struct i40e_pf *pf = np->vsi->back; 1565 1566 netif_info(pf, hw, netdev, "loopback test not implemented\n"); 1567 *data = 0; 1568 1569 return *data; 1570 } 1571 1572 static inline bool i40e_active_vfs(struct i40e_pf *pf) 1573 { 1574 struct i40e_vf *vfs = pf->vf; 1575 int i; 1576 1577 for (i = 0; i < pf->num_alloc_vfs; i++) 1578 if (vfs[i].vf_states & I40E_VF_STAT_ACTIVE) 1579 return true; 1580 return false; 1581 } 1582 1583 static inline bool i40e_active_vmdqs(struct i40e_pf *pf) 1584 { 1585 struct i40e_vsi **vsi = pf->vsi; 1586 int i; 1587 1588 for (i = 0; i < pf->num_alloc_vsi; i++) { 1589 if (!vsi[i]) 1590 continue; 1591 if (vsi[i]->type == I40E_VSI_VMDQ2) 1592 return true; 1593 } 1594 1595 return false; 1596 } 1597 1598 static void i40e_diag_test(struct net_device *netdev, 1599 struct ethtool_test *eth_test, u64 *data) 1600 { 1601 struct i40e_netdev_priv *np = netdev_priv(netdev); 1602 bool if_running = netif_running(netdev); 1603 struct i40e_pf *pf = np->vsi->back; 1604 1605 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1606 /* Offline tests */ 1607 netif_info(pf, drv, netdev, "offline testing starting\n"); 1608 1609 set_bit(__I40E_TESTING, &pf->state); 1610 1611 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) { 1612 dev_warn(&pf->pdev->dev, 1613 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 1614 data[I40E_ETH_TEST_REG] = 1; 1615 data[I40E_ETH_TEST_EEPROM] = 1; 1616 data[I40E_ETH_TEST_INTR] = 1; 1617 data[I40E_ETH_TEST_LOOPBACK] = 1; 1618 data[I40E_ETH_TEST_LINK] = 1; 1619 eth_test->flags |= ETH_TEST_FL_FAILED; 1620 clear_bit(__I40E_TESTING, &pf->state); 1621 goto skip_ol_tests; 1622 } 1623 1624 /* If the device is online then take it offline */ 1625 if (if_running) 1626 /* indicate we're in test mode */ 1627 dev_close(netdev); 1628 else 1629 /* This reset does not affect link - if it is 1630 * changed to a type of reset that does affect 1631 * link then the following link test would have 1632 * to be moved to before the reset 1633 */ 1634 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1635 1636 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1637 eth_test->flags |= ETH_TEST_FL_FAILED; 1638 1639 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM])) 1640 eth_test->flags |= ETH_TEST_FL_FAILED; 1641 1642 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR])) 1643 eth_test->flags |= ETH_TEST_FL_FAILED; 1644 1645 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK])) 1646 eth_test->flags |= ETH_TEST_FL_FAILED; 1647 1648 /* run reg test last, a reset is required after it */ 1649 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG])) 1650 eth_test->flags |= ETH_TEST_FL_FAILED; 1651 1652 clear_bit(__I40E_TESTING, &pf->state); 1653 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1654 1655 if (if_running) 1656 dev_open(netdev); 1657 } else { 1658 /* Online tests */ 1659 netif_info(pf, drv, netdev, "online testing starting\n"); 1660 1661 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1662 eth_test->flags |= ETH_TEST_FL_FAILED; 1663 1664 /* Offline only tests, not run in online; pass by default */ 1665 data[I40E_ETH_TEST_REG] = 0; 1666 data[I40E_ETH_TEST_EEPROM] = 0; 1667 data[I40E_ETH_TEST_INTR] = 0; 1668 data[I40E_ETH_TEST_LOOPBACK] = 0; 1669 } 1670 1671 skip_ol_tests: 1672 1673 netif_info(pf, drv, netdev, "testing finished\n"); 1674 } 1675 1676 static void i40e_get_wol(struct net_device *netdev, 1677 struct ethtool_wolinfo *wol) 1678 { 1679 struct i40e_netdev_priv *np = netdev_priv(netdev); 1680 struct i40e_pf *pf = np->vsi->back; 1681 struct i40e_hw *hw = &pf->hw; 1682 u16 wol_nvm_bits; 1683 1684 /* NVM bit on means WoL disabled for the port */ 1685 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1686 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) { 1687 wol->supported = 0; 1688 wol->wolopts = 0; 1689 } else { 1690 wol->supported = WAKE_MAGIC; 1691 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0); 1692 } 1693 } 1694 1695 /** 1696 * i40e_set_wol - set the WakeOnLAN configuration 1697 * @netdev: the netdev in question 1698 * @wol: the ethtool WoL setting data 1699 **/ 1700 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1701 { 1702 struct i40e_netdev_priv *np = netdev_priv(netdev); 1703 struct i40e_pf *pf = np->vsi->back; 1704 struct i40e_vsi *vsi = np->vsi; 1705 struct i40e_hw *hw = &pf->hw; 1706 u16 wol_nvm_bits; 1707 1708 /* WoL not supported if this isn't the controlling PF on the port */ 1709 if (hw->partition_id != 1) { 1710 i40e_partition_setting_complaint(pf); 1711 return -EOPNOTSUPP; 1712 } 1713 1714 if (vsi != pf->vsi[pf->lan_vsi]) 1715 return -EOPNOTSUPP; 1716 1717 /* NVM bit on means WoL disabled for the port */ 1718 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1719 if (BIT(hw->port) & wol_nvm_bits) 1720 return -EOPNOTSUPP; 1721 1722 /* only magic packet is supported */ 1723 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC)) 1724 return -EOPNOTSUPP; 1725 1726 /* is this a new value? */ 1727 if (pf->wol_en != !!wol->wolopts) { 1728 pf->wol_en = !!wol->wolopts; 1729 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en); 1730 } 1731 1732 return 0; 1733 } 1734 1735 static int i40e_set_phys_id(struct net_device *netdev, 1736 enum ethtool_phys_id_state state) 1737 { 1738 struct i40e_netdev_priv *np = netdev_priv(netdev); 1739 struct i40e_pf *pf = np->vsi->back; 1740 struct i40e_hw *hw = &pf->hw; 1741 int blink_freq = 2; 1742 1743 switch (state) { 1744 case ETHTOOL_ID_ACTIVE: 1745 pf->led_status = i40e_led_get(hw); 1746 return blink_freq; 1747 case ETHTOOL_ID_ON: 1748 i40e_led_set(hw, 0xF, false); 1749 break; 1750 case ETHTOOL_ID_OFF: 1751 i40e_led_set(hw, 0x0, false); 1752 break; 1753 case ETHTOOL_ID_INACTIVE: 1754 i40e_led_set(hw, pf->led_status, false); 1755 break; 1756 default: 1757 break; 1758 } 1759 1760 return 0; 1761 } 1762 1763 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt 1764 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also 1765 * 125us (8000 interrupts per second) == ITR(62) 1766 */ 1767 1768 static int i40e_get_coalesce(struct net_device *netdev, 1769 struct ethtool_coalesce *ec) 1770 { 1771 struct i40e_netdev_priv *np = netdev_priv(netdev); 1772 struct i40e_vsi *vsi = np->vsi; 1773 1774 ec->tx_max_coalesced_frames_irq = vsi->work_limit; 1775 ec->rx_max_coalesced_frames_irq = vsi->work_limit; 1776 1777 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting)) 1778 ec->use_adaptive_rx_coalesce = 1; 1779 1780 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting)) 1781 ec->use_adaptive_tx_coalesce = 1; 1782 1783 ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC; 1784 ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC; 1785 1786 return 0; 1787 } 1788 1789 static int i40e_set_coalesce(struct net_device *netdev, 1790 struct ethtool_coalesce *ec) 1791 { 1792 struct i40e_netdev_priv *np = netdev_priv(netdev); 1793 struct i40e_q_vector *q_vector; 1794 struct i40e_vsi *vsi = np->vsi; 1795 struct i40e_pf *pf = vsi->back; 1796 struct i40e_hw *hw = &pf->hw; 1797 u16 vector; 1798 int i; 1799 1800 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) 1801 vsi->work_limit = ec->tx_max_coalesced_frames_irq; 1802 1803 vector = vsi->base_vector; 1804 if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1805 (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1806 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1807 } else if (ec->rx_coalesce_usecs == 0) { 1808 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1809 if (ec->use_adaptive_rx_coalesce) 1810 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n"); 1811 } else { 1812 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n"); 1813 return -EINVAL; 1814 } 1815 1816 if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1817 (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1818 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1819 } else if (ec->tx_coalesce_usecs == 0) { 1820 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1821 if (ec->use_adaptive_tx_coalesce) 1822 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n"); 1823 } else { 1824 netif_info(pf, drv, netdev, 1825 "Invalid value, tx-usecs range is 0-8160\n"); 1826 return -EINVAL; 1827 } 1828 1829 if (ec->use_adaptive_rx_coalesce) 1830 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC; 1831 else 1832 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC; 1833 1834 if (ec->use_adaptive_tx_coalesce) 1835 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC; 1836 else 1837 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC; 1838 1839 for (i = 0; i < vsi->num_q_vectors; i++, vector++) { 1840 q_vector = vsi->q_vectors[i]; 1841 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting); 1842 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr); 1843 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting); 1844 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr); 1845 i40e_flush(hw); 1846 } 1847 1848 return 0; 1849 } 1850 1851 /** 1852 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type 1853 * @pf: pointer to the physical function struct 1854 * @cmd: ethtool rxnfc command 1855 * 1856 * Returns Success if the flow is supported, else Invalid Input. 1857 **/ 1858 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd) 1859 { 1860 cmd->data = 0; 1861 1862 if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) { 1863 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data; 1864 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type; 1865 return 0; 1866 } 1867 /* Report default options for RSS on i40e */ 1868 switch (cmd->flow_type) { 1869 case TCP_V4_FLOW: 1870 case UDP_V4_FLOW: 1871 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1872 /* fall through to add IP fields */ 1873 case SCTP_V4_FLOW: 1874 case AH_ESP_V4_FLOW: 1875 case AH_V4_FLOW: 1876 case ESP_V4_FLOW: 1877 case IPV4_FLOW: 1878 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1879 break; 1880 case TCP_V6_FLOW: 1881 case UDP_V6_FLOW: 1882 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1883 /* fall through to add IP fields */ 1884 case SCTP_V6_FLOW: 1885 case AH_ESP_V6_FLOW: 1886 case AH_V6_FLOW: 1887 case ESP_V6_FLOW: 1888 case IPV6_FLOW: 1889 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1890 break; 1891 default: 1892 return -EINVAL; 1893 } 1894 1895 return 0; 1896 } 1897 1898 /** 1899 * i40e_get_ethtool_fdir_all - Populates the rule count of a command 1900 * @pf: Pointer to the physical function struct 1901 * @cmd: The command to get or set Rx flow classification rules 1902 * @rule_locs: Array of used rule locations 1903 * 1904 * This function populates both the total and actual rule count of 1905 * the ethtool flow classification command 1906 * 1907 * Returns 0 on success or -EMSGSIZE if entry not found 1908 **/ 1909 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf, 1910 struct ethtool_rxnfc *cmd, 1911 u32 *rule_locs) 1912 { 1913 struct i40e_fdir_filter *rule; 1914 struct hlist_node *node2; 1915 int cnt = 0; 1916 1917 /* report total rule count */ 1918 cmd->data = i40e_get_fd_cnt_all(pf); 1919 1920 hlist_for_each_entry_safe(rule, node2, 1921 &pf->fdir_filter_list, fdir_node) { 1922 if (cnt == cmd->rule_cnt) 1923 return -EMSGSIZE; 1924 1925 rule_locs[cnt] = rule->fd_id; 1926 cnt++; 1927 } 1928 1929 cmd->rule_cnt = cnt; 1930 1931 return 0; 1932 } 1933 1934 /** 1935 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow 1936 * @pf: Pointer to the physical function struct 1937 * @cmd: The command to get or set Rx flow classification rules 1938 * 1939 * This function looks up a filter based on the Rx flow classification 1940 * command and fills the flow spec info for it if found 1941 * 1942 * Returns 0 on success or -EINVAL if filter not found 1943 **/ 1944 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf, 1945 struct ethtool_rxnfc *cmd) 1946 { 1947 struct ethtool_rx_flow_spec *fsp = 1948 (struct ethtool_rx_flow_spec *)&cmd->fs; 1949 struct i40e_fdir_filter *rule = NULL; 1950 struct hlist_node *node2; 1951 1952 hlist_for_each_entry_safe(rule, node2, 1953 &pf->fdir_filter_list, fdir_node) { 1954 if (fsp->location <= rule->fd_id) 1955 break; 1956 } 1957 1958 if (!rule || fsp->location != rule->fd_id) 1959 return -EINVAL; 1960 1961 fsp->flow_type = rule->flow_type; 1962 if (fsp->flow_type == IP_USER_FLOW) { 1963 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; 1964 fsp->h_u.usr_ip4_spec.proto = 0; 1965 fsp->m_u.usr_ip4_spec.proto = 0; 1966 } 1967 1968 /* Reverse the src and dest notion, since the HW views them from 1969 * Tx perspective where as the user expects it from Rx filter view. 1970 */ 1971 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port; 1972 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port; 1973 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0]; 1974 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0]; 1975 1976 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET) 1977 fsp->ring_cookie = RX_CLS_FLOW_DISC; 1978 else 1979 fsp->ring_cookie = rule->q_index; 1980 1981 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) { 1982 struct i40e_vsi *vsi; 1983 1984 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi); 1985 if (vsi && vsi->type == I40E_VSI_SRIOV) { 1986 fsp->h_ext.data[1] = htonl(vsi->vf_id); 1987 fsp->m_ext.data[1] = htonl(0x1); 1988 } 1989 } 1990 1991 return 0; 1992 } 1993 1994 /** 1995 * i40e_get_rxnfc - command to get RX flow classification rules 1996 * @netdev: network interface device structure 1997 * @cmd: ethtool rxnfc command 1998 * 1999 * Returns Success if the command is supported. 2000 **/ 2001 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2002 u32 *rule_locs) 2003 { 2004 struct i40e_netdev_priv *np = netdev_priv(netdev); 2005 struct i40e_vsi *vsi = np->vsi; 2006 struct i40e_pf *pf = vsi->back; 2007 int ret = -EOPNOTSUPP; 2008 2009 switch (cmd->cmd) { 2010 case ETHTOOL_GRXRINGS: 2011 cmd->data = vsi->alloc_queue_pairs; 2012 ret = 0; 2013 break; 2014 case ETHTOOL_GRXFH: 2015 ret = i40e_get_rss_hash_opts(pf, cmd); 2016 break; 2017 case ETHTOOL_GRXCLSRLCNT: 2018 cmd->rule_cnt = pf->fdir_pf_active_filters; 2019 /* report total rule count */ 2020 cmd->data = i40e_get_fd_cnt_all(pf); 2021 ret = 0; 2022 break; 2023 case ETHTOOL_GRXCLSRULE: 2024 ret = i40e_get_ethtool_fdir_entry(pf, cmd); 2025 break; 2026 case ETHTOOL_GRXCLSRLALL: 2027 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs); 2028 break; 2029 default: 2030 break; 2031 } 2032 2033 return ret; 2034 } 2035 2036 /** 2037 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2038 * @pf: pointer to the physical function struct 2039 * @cmd: ethtool rxnfc command 2040 * 2041 * Returns Success if the flow input set is supported. 2042 **/ 2043 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc) 2044 { 2045 struct i40e_hw *hw = &pf->hw; 2046 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) | 2047 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32); 2048 2049 /* RSS does not support anything other than hashing 2050 * to queues on src and dst IPs and ports 2051 */ 2052 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | 2053 RXH_L4_B_0_1 | RXH_L4_B_2_3)) 2054 return -EINVAL; 2055 2056 /* We need at least the IP SRC and DEST fields for hashing */ 2057 if (!(nfc->data & RXH_IP_SRC) || 2058 !(nfc->data & RXH_IP_DST)) 2059 return -EINVAL; 2060 2061 switch (nfc->flow_type) { 2062 case TCP_V4_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_IPV4_TCP); 2066 break; 2067 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2068 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 2069 break; 2070 default: 2071 return -EINVAL; 2072 } 2073 break; 2074 case TCP_V6_FLOW: 2075 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2076 case 0: 2077 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 2078 break; 2079 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2080 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 2081 break; 2082 default: 2083 return -EINVAL; 2084 } 2085 break; 2086 case UDP_V4_FLOW: 2087 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2088 case 0: 2089 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 2090 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4)); 2091 break; 2092 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2093 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 2094 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4)); 2095 break; 2096 default: 2097 return -EINVAL; 2098 } 2099 break; 2100 case UDP_V6_FLOW: 2101 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2102 case 0: 2103 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 2104 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6)); 2105 break; 2106 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2107 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 2108 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6)); 2109 break; 2110 default: 2111 return -EINVAL; 2112 } 2113 break; 2114 case AH_ESP_V4_FLOW: 2115 case AH_V4_FLOW: 2116 case ESP_V4_FLOW: 2117 case SCTP_V4_FLOW: 2118 if ((nfc->data & RXH_L4_B_0_1) || 2119 (nfc->data & RXH_L4_B_2_3)) 2120 return -EINVAL; 2121 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER); 2122 break; 2123 case AH_ESP_V6_FLOW: 2124 case AH_V6_FLOW: 2125 case ESP_V6_FLOW: 2126 case SCTP_V6_FLOW: 2127 if ((nfc->data & RXH_L4_B_0_1) || 2128 (nfc->data & RXH_L4_B_2_3)) 2129 return -EINVAL; 2130 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER); 2131 break; 2132 case IPV4_FLOW: 2133 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) | 2134 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4); 2135 break; 2136 case IPV6_FLOW: 2137 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) | 2138 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6); 2139 break; 2140 default: 2141 return -EINVAL; 2142 } 2143 2144 wr32(hw, I40E_PFQF_HENA(0), (u32)hena); 2145 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32)); 2146 i40e_flush(hw); 2147 2148 /* Save setting for future output/update */ 2149 pf->vsi[pf->lan_vsi]->rxnfc = *nfc; 2150 2151 return 0; 2152 } 2153 2154 /** 2155 * i40e_match_fdir_input_set - Match a new filter against an existing one 2156 * @rule: The filter already added 2157 * @input: The new filter to comapre against 2158 * 2159 * Returns true if the two input set match 2160 **/ 2161 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule, 2162 struct i40e_fdir_filter *input) 2163 { 2164 if ((rule->dst_ip[0] != input->dst_ip[0]) || 2165 (rule->src_ip[0] != input->src_ip[0]) || 2166 (rule->dst_port != input->dst_port) || 2167 (rule->src_port != input->src_port)) 2168 return false; 2169 return true; 2170 } 2171 2172 /** 2173 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry 2174 * @vsi: Pointer to the targeted VSI 2175 * @input: The filter to update or NULL to indicate deletion 2176 * @sw_idx: Software index to the filter 2177 * @cmd: The command to get or set Rx flow classification rules 2178 * 2179 * This function updates (or deletes) a Flow Director entry from 2180 * the hlist of the corresponding PF 2181 * 2182 * Returns 0 on success 2183 **/ 2184 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi, 2185 struct i40e_fdir_filter *input, 2186 u16 sw_idx, 2187 struct ethtool_rxnfc *cmd) 2188 { 2189 struct i40e_fdir_filter *rule, *parent; 2190 struct i40e_pf *pf = vsi->back; 2191 struct hlist_node *node2; 2192 int err = -EINVAL; 2193 2194 parent = NULL; 2195 rule = NULL; 2196 2197 hlist_for_each_entry_safe(rule, node2, 2198 &pf->fdir_filter_list, fdir_node) { 2199 /* hash found, or no matching entry */ 2200 if (rule->fd_id >= sw_idx) 2201 break; 2202 parent = rule; 2203 } 2204 2205 /* if there is an old rule occupying our place remove it */ 2206 if (rule && (rule->fd_id == sw_idx)) { 2207 if (input && !i40e_match_fdir_input_set(rule, input)) 2208 err = i40e_add_del_fdir(vsi, rule, false); 2209 else if (!input) 2210 err = i40e_add_del_fdir(vsi, rule, false); 2211 hlist_del(&rule->fdir_node); 2212 kfree(rule); 2213 pf->fdir_pf_active_filters--; 2214 } 2215 2216 /* If no input this was a delete, err should be 0 if a rule was 2217 * successfully found and removed from the list else -EINVAL 2218 */ 2219 if (!input) 2220 return err; 2221 2222 /* initialize node and set software index */ 2223 INIT_HLIST_NODE(&input->fdir_node); 2224 2225 /* add filter to the list */ 2226 if (parent) 2227 hlist_add_behind(&input->fdir_node, &parent->fdir_node); 2228 else 2229 hlist_add_head(&input->fdir_node, 2230 &pf->fdir_filter_list); 2231 2232 /* update counts */ 2233 pf->fdir_pf_active_filters++; 2234 2235 return 0; 2236 } 2237 2238 /** 2239 * i40e_del_fdir_entry - Deletes a Flow Director filter entry 2240 * @vsi: Pointer to the targeted VSI 2241 * @cmd: The command to get or set Rx flow classification rules 2242 * 2243 * The function removes a Flow Director filter entry from the 2244 * hlist of the corresponding PF 2245 * 2246 * Returns 0 on success 2247 */ 2248 static int i40e_del_fdir_entry(struct i40e_vsi *vsi, 2249 struct ethtool_rxnfc *cmd) 2250 { 2251 struct ethtool_rx_flow_spec *fsp = 2252 (struct ethtool_rx_flow_spec *)&cmd->fs; 2253 struct i40e_pf *pf = vsi->back; 2254 int ret = 0; 2255 2256 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2257 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2258 return -EBUSY; 2259 2260 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2261 return -EBUSY; 2262 2263 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd); 2264 2265 i40e_fdir_check_and_reenable(pf); 2266 return ret; 2267 } 2268 2269 /** 2270 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters 2271 * @vsi: pointer to the targeted VSI 2272 * @cmd: command to get or set RX flow classification rules 2273 * 2274 * Add Flow Director filters for a specific flow spec based on their 2275 * protocol. Returns 0 if the filters were successfully added. 2276 **/ 2277 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, 2278 struct ethtool_rxnfc *cmd) 2279 { 2280 struct ethtool_rx_flow_spec *fsp; 2281 struct i40e_fdir_filter *input; 2282 struct i40e_pf *pf; 2283 int ret = -EINVAL; 2284 u16 vf_id; 2285 2286 if (!vsi) 2287 return -EINVAL; 2288 2289 pf = vsi->back; 2290 2291 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 2292 return -EOPNOTSUPP; 2293 2294 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED) 2295 return -ENOSPC; 2296 2297 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2298 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2299 return -EBUSY; 2300 2301 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2302 return -EBUSY; 2303 2304 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs; 2305 2306 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort + 2307 pf->hw.func_caps.fd_filters_guaranteed)) { 2308 return -EINVAL; 2309 } 2310 2311 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) && 2312 (fsp->ring_cookie >= vsi->num_queue_pairs)) 2313 return -EINVAL; 2314 2315 input = kzalloc(sizeof(*input), GFP_KERNEL); 2316 2317 if (!input) 2318 return -ENOMEM; 2319 2320 input->fd_id = fsp->location; 2321 2322 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) 2323 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET; 2324 else 2325 input->dest_ctl = 2326 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX; 2327 2328 input->q_index = fsp->ring_cookie; 2329 input->flex_off = 0; 2330 input->pctype = 0; 2331 input->dest_vsi = vsi->id; 2332 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID; 2333 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id); 2334 input->flow_type = fsp->flow_type; 2335 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto; 2336 2337 /* Reverse the src and dest notion, since the HW expects them to be from 2338 * Tx perspective where as the input from user is from Rx filter view. 2339 */ 2340 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc; 2341 input->src_port = fsp->h_u.tcp_ip4_spec.pdst; 2342 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src; 2343 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst; 2344 2345 if (ntohl(fsp->m_ext.data[1])) { 2346 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) { 2347 netif_info(pf, drv, vsi->netdev, "Invalid VF id\n"); 2348 goto free_input; 2349 } 2350 vf_id = ntohl(fsp->h_ext.data[1]); 2351 /* Find vsi id from vf id and override dest vsi */ 2352 input->dest_vsi = pf->vf[vf_id].lan_vsi_id; 2353 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) { 2354 netif_info(pf, drv, vsi->netdev, "Invalid queue id\n"); 2355 goto free_input; 2356 } 2357 } 2358 2359 ret = i40e_add_del_fdir(vsi, input, true); 2360 free_input: 2361 if (ret) 2362 kfree(input); 2363 else 2364 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL); 2365 2366 return ret; 2367 } 2368 2369 /** 2370 * i40e_set_rxnfc - command to set RX flow classification rules 2371 * @netdev: network interface device structure 2372 * @cmd: ethtool rxnfc command 2373 * 2374 * Returns Success if the command is supported. 2375 **/ 2376 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2377 { 2378 struct i40e_netdev_priv *np = netdev_priv(netdev); 2379 struct i40e_vsi *vsi = np->vsi; 2380 struct i40e_pf *pf = vsi->back; 2381 int ret = -EOPNOTSUPP; 2382 2383 switch (cmd->cmd) { 2384 case ETHTOOL_SRXFH: 2385 ret = i40e_set_rss_hash_opt(pf, cmd); 2386 break; 2387 case ETHTOOL_SRXCLSRLINS: 2388 ret = i40e_add_fdir_ethtool(vsi, cmd); 2389 break; 2390 case ETHTOOL_SRXCLSRLDEL: 2391 ret = i40e_del_fdir_entry(vsi, cmd); 2392 break; 2393 default: 2394 break; 2395 } 2396 2397 return ret; 2398 } 2399 2400 /** 2401 * i40e_max_channels - get Max number of combined channels supported 2402 * @vsi: vsi pointer 2403 **/ 2404 static unsigned int i40e_max_channels(struct i40e_vsi *vsi) 2405 { 2406 /* TODO: This code assumes DCB and FD is disabled for now. */ 2407 return vsi->alloc_queue_pairs; 2408 } 2409 2410 /** 2411 * i40e_get_channels - Get the current channels enabled and max supported etc. 2412 * @netdev: network interface device structure 2413 * @ch: ethtool channels structure 2414 * 2415 * We don't support separate tx and rx queues as channels. The other count 2416 * represents how many queues are being used for control. max_combined counts 2417 * how many queue pairs we can support. They may not be mapped 1 to 1 with 2418 * q_vectors since we support a lot more queue pairs than q_vectors. 2419 **/ 2420 static void i40e_get_channels(struct net_device *dev, 2421 struct ethtool_channels *ch) 2422 { 2423 struct i40e_netdev_priv *np = netdev_priv(dev); 2424 struct i40e_vsi *vsi = np->vsi; 2425 struct i40e_pf *pf = vsi->back; 2426 2427 /* report maximum channels */ 2428 ch->max_combined = i40e_max_channels(vsi); 2429 2430 /* report info for other vector */ 2431 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0; 2432 ch->max_other = ch->other_count; 2433 2434 /* Note: This code assumes DCB is disabled for now. */ 2435 ch->combined_count = vsi->num_queue_pairs; 2436 } 2437 2438 /** 2439 * i40e_set_channels - Set the new channels count. 2440 * @netdev: network interface device structure 2441 * @ch: ethtool channels structure 2442 * 2443 * The new channels count may not be the same as requested by the user 2444 * since it gets rounded down to a power of 2 value. 2445 **/ 2446 static int i40e_set_channels(struct net_device *dev, 2447 struct ethtool_channels *ch) 2448 { 2449 struct i40e_netdev_priv *np = netdev_priv(dev); 2450 unsigned int count = ch->combined_count; 2451 struct i40e_vsi *vsi = np->vsi; 2452 struct i40e_pf *pf = vsi->back; 2453 int new_count; 2454 2455 /* We do not support setting channels for any other VSI at present */ 2456 if (vsi->type != I40E_VSI_MAIN) 2457 return -EINVAL; 2458 2459 /* verify they are not requesting separate vectors */ 2460 if (!count || ch->rx_count || ch->tx_count) 2461 return -EINVAL; 2462 2463 /* verify other_count has not changed */ 2464 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0)) 2465 return -EINVAL; 2466 2467 /* verify the number of channels does not exceed hardware limits */ 2468 if (count > i40e_max_channels(vsi)) 2469 return -EINVAL; 2470 2471 /* update feature limits from largest to smallest supported values */ 2472 /* TODO: Flow director limit, DCB etc */ 2473 2474 /* use rss_reconfig to rebuild with new queue count and update traffic 2475 * class queue mapping 2476 */ 2477 new_count = i40e_reconfig_rss_queues(pf, count); 2478 if (new_count > 0) 2479 return 0; 2480 else 2481 return -EINVAL; 2482 } 2483 2484 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4) 2485 /** 2486 * i40e_get_rxfh_key_size - get the RSS hash key size 2487 * @netdev: network interface device structure 2488 * 2489 * Returns the table size. 2490 **/ 2491 static u32 i40e_get_rxfh_key_size(struct net_device *netdev) 2492 { 2493 return I40E_HKEY_ARRAY_SIZE; 2494 } 2495 2496 /** 2497 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size 2498 * @netdev: network interface device structure 2499 * 2500 * Returns the table size. 2501 **/ 2502 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev) 2503 { 2504 return I40E_HLUT_ARRAY_SIZE; 2505 } 2506 2507 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, 2508 u8 *hfunc) 2509 { 2510 struct i40e_netdev_priv *np = netdev_priv(netdev); 2511 struct i40e_vsi *vsi = np->vsi; 2512 struct i40e_pf *pf = vsi->back; 2513 struct i40e_hw *hw = &pf->hw; 2514 u32 reg_val; 2515 int i, j; 2516 2517 if (hfunc) 2518 *hfunc = ETH_RSS_HASH_TOP; 2519 2520 if (!indir) 2521 return 0; 2522 2523 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) { 2524 reg_val = rd32(hw, I40E_PFQF_HLUT(i)); 2525 indir[j++] = reg_val & 0xff; 2526 indir[j++] = (reg_val >> 8) & 0xff; 2527 indir[j++] = (reg_val >> 16) & 0xff; 2528 indir[j++] = (reg_val >> 24) & 0xff; 2529 } 2530 2531 if (key) { 2532 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) { 2533 reg_val = rd32(hw, I40E_PFQF_HKEY(i)); 2534 key[j++] = (u8)(reg_val & 0xff); 2535 key[j++] = (u8)((reg_val >> 8) & 0xff); 2536 key[j++] = (u8)((reg_val >> 16) & 0xff); 2537 key[j++] = (u8)((reg_val >> 24) & 0xff); 2538 } 2539 } 2540 return 0; 2541 } 2542 2543 /** 2544 * i40e_set_rxfh - set the rx flow hash indirection table 2545 * @netdev: network interface device structure 2546 * @indir: indirection table 2547 * @key: hash key 2548 * 2549 * Returns -EINVAL if the table specifies an invalid queue id, otherwise 2550 * returns 0 after programming the table. 2551 **/ 2552 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir, 2553 const u8 *key, const u8 hfunc) 2554 { 2555 struct i40e_netdev_priv *np = netdev_priv(netdev); 2556 struct i40e_vsi *vsi = np->vsi; 2557 struct i40e_pf *pf = vsi->back; 2558 struct i40e_hw *hw = &pf->hw; 2559 u32 reg_val; 2560 int i, j; 2561 2562 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 2563 return -EOPNOTSUPP; 2564 2565 if (!indir) 2566 return 0; 2567 2568 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) { 2569 reg_val = indir[j++]; 2570 reg_val |= indir[j++] << 8; 2571 reg_val |= indir[j++] << 16; 2572 reg_val |= indir[j++] << 24; 2573 wr32(hw, I40E_PFQF_HLUT(i), reg_val); 2574 } 2575 2576 if (key) { 2577 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) { 2578 reg_val = key[j++]; 2579 reg_val |= key[j++] << 8; 2580 reg_val |= key[j++] << 16; 2581 reg_val |= key[j++] << 24; 2582 wr32(hw, I40E_PFQF_HKEY(i), reg_val); 2583 } 2584 } 2585 return 0; 2586 } 2587 2588 /** 2589 * i40e_get_priv_flags - report device private flags 2590 * @dev: network interface device structure 2591 * 2592 * The get string set count and the string set should be matched for each 2593 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings 2594 * array. 2595 * 2596 * Returns a u32 bitmap of flags. 2597 **/ 2598 static u32 i40e_get_priv_flags(struct net_device *dev) 2599 { 2600 struct i40e_netdev_priv *np = netdev_priv(dev); 2601 struct i40e_vsi *vsi = np->vsi; 2602 struct i40e_pf *pf = vsi->back; 2603 u32 ret_flags = 0; 2604 2605 ret_flags |= pf->hw.func_caps.npar_enable ? 2606 I40E_PRIV_FLAGS_NPAR_FLAG : 0; 2607 2608 return ret_flags; 2609 } 2610 2611 static const struct ethtool_ops i40e_ethtool_ops = { 2612 .get_settings = i40e_get_settings, 2613 .set_settings = i40e_set_settings, 2614 .get_drvinfo = i40e_get_drvinfo, 2615 .get_regs_len = i40e_get_regs_len, 2616 .get_regs = i40e_get_regs, 2617 .nway_reset = i40e_nway_reset, 2618 .get_link = ethtool_op_get_link, 2619 .get_wol = i40e_get_wol, 2620 .set_wol = i40e_set_wol, 2621 .set_eeprom = i40e_set_eeprom, 2622 .get_eeprom_len = i40e_get_eeprom_len, 2623 .get_eeprom = i40e_get_eeprom, 2624 .get_ringparam = i40e_get_ringparam, 2625 .set_ringparam = i40e_set_ringparam, 2626 .get_pauseparam = i40e_get_pauseparam, 2627 .set_pauseparam = i40e_set_pauseparam, 2628 .get_msglevel = i40e_get_msglevel, 2629 .set_msglevel = i40e_set_msglevel, 2630 .get_rxnfc = i40e_get_rxnfc, 2631 .set_rxnfc = i40e_set_rxnfc, 2632 .self_test = i40e_diag_test, 2633 .get_strings = i40e_get_strings, 2634 .set_phys_id = i40e_set_phys_id, 2635 .get_sset_count = i40e_get_sset_count, 2636 .get_ethtool_stats = i40e_get_ethtool_stats, 2637 .get_coalesce = i40e_get_coalesce, 2638 .set_coalesce = i40e_set_coalesce, 2639 .get_rxfh_key_size = i40e_get_rxfh_key_size, 2640 .get_rxfh_indir_size = i40e_get_rxfh_indir_size, 2641 .get_rxfh = i40e_get_rxfh, 2642 .set_rxfh = i40e_set_rxfh, 2643 .get_channels = i40e_get_channels, 2644 .set_channels = i40e_set_channels, 2645 .get_ts_info = i40e_get_ts_info, 2646 .get_priv_flags = i40e_get_priv_flags, 2647 }; 2648 2649 void i40e_set_ethtool_ops(struct net_device *netdev) 2650 { 2651 netdev->ethtool_ops = &i40e_ethtool_ops; 2652 } 2653