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 for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) { 1348 data[i++] = veb->tc_stats.tc_tx_packets[j]; 1349 data[i++] = veb->tc_stats.tc_tx_bytes[j]; 1350 data[i++] = veb->tc_stats.tc_rx_packets[j]; 1351 data[i++] = veb->tc_stats.tc_rx_bytes[j]; 1352 } 1353 } 1354 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) { 1355 p = (char *)pf + i40e_gstrings_stats[j].stat_offset; 1356 data[i++] = (i40e_gstrings_stats[j].sizeof_stat == 1357 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1358 } 1359 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1360 data[i++] = pf->stats.priority_xon_tx[j]; 1361 data[i++] = pf->stats.priority_xoff_tx[j]; 1362 } 1363 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1364 data[i++] = pf->stats.priority_xon_rx[j]; 1365 data[i++] = pf->stats.priority_xoff_rx[j]; 1366 } 1367 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) 1368 data[i++] = pf->stats.priority_xon_2_xoff[j]; 1369 } 1370 1371 static void i40e_get_strings(struct net_device *netdev, u32 stringset, 1372 u8 *data) 1373 { 1374 struct i40e_netdev_priv *np = netdev_priv(netdev); 1375 struct i40e_vsi *vsi = np->vsi; 1376 struct i40e_pf *pf = vsi->back; 1377 char *p = (char *)data; 1378 int i; 1379 1380 switch (stringset) { 1381 case ETH_SS_TEST: 1382 for (i = 0; i < I40E_TEST_LEN; i++) { 1383 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN); 1384 data += ETH_GSTRING_LEN; 1385 } 1386 break; 1387 case ETH_SS_STATS: 1388 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) { 1389 snprintf(p, ETH_GSTRING_LEN, "%s", 1390 i40e_gstrings_net_stats[i].stat_string); 1391 p += ETH_GSTRING_LEN; 1392 } 1393 for (i = 0; i < I40E_MISC_STATS_LEN; i++) { 1394 snprintf(p, ETH_GSTRING_LEN, "%s", 1395 i40e_gstrings_misc_stats[i].stat_string); 1396 p += ETH_GSTRING_LEN; 1397 } 1398 #ifdef I40E_FCOE 1399 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) { 1400 snprintf(p, ETH_GSTRING_LEN, "%s", 1401 i40e_gstrings_fcoe_stats[i].stat_string); 1402 p += ETH_GSTRING_LEN; 1403 } 1404 #endif 1405 for (i = 0; i < vsi->num_queue_pairs; i++) { 1406 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i); 1407 p += ETH_GSTRING_LEN; 1408 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i); 1409 p += ETH_GSTRING_LEN; 1410 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i); 1411 p += ETH_GSTRING_LEN; 1412 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i); 1413 p += ETH_GSTRING_LEN; 1414 } 1415 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1416 return; 1417 1418 if (pf->lan_veb != I40E_NO_VEB) { 1419 for (i = 0; i < I40E_VEB_STATS_LEN; i++) { 1420 snprintf(p, ETH_GSTRING_LEN, "veb.%s", 1421 i40e_gstrings_veb_stats[i].stat_string); 1422 p += ETH_GSTRING_LEN; 1423 } 1424 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1425 snprintf(p, ETH_GSTRING_LEN, 1426 "veb.tc_%u_tx_packets", i); 1427 p += ETH_GSTRING_LEN; 1428 snprintf(p, ETH_GSTRING_LEN, 1429 "veb.tc_%u_tx_bytes", i); 1430 p += ETH_GSTRING_LEN; 1431 snprintf(p, ETH_GSTRING_LEN, 1432 "veb.tc_%u_rx_packets", i); 1433 p += ETH_GSTRING_LEN; 1434 snprintf(p, ETH_GSTRING_LEN, 1435 "veb.tc_%u_rx_bytes", i); 1436 p += ETH_GSTRING_LEN; 1437 } 1438 } 1439 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) { 1440 snprintf(p, ETH_GSTRING_LEN, "port.%s", 1441 i40e_gstrings_stats[i].stat_string); 1442 p += ETH_GSTRING_LEN; 1443 } 1444 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1445 snprintf(p, ETH_GSTRING_LEN, 1446 "port.tx_priority_%u_xon", i); 1447 p += ETH_GSTRING_LEN; 1448 snprintf(p, ETH_GSTRING_LEN, 1449 "port.tx_priority_%u_xoff", i); 1450 p += ETH_GSTRING_LEN; 1451 } 1452 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1453 snprintf(p, ETH_GSTRING_LEN, 1454 "port.rx_priority_%u_xon", i); 1455 p += ETH_GSTRING_LEN; 1456 snprintf(p, ETH_GSTRING_LEN, 1457 "port.rx_priority_%u_xoff", i); 1458 p += ETH_GSTRING_LEN; 1459 } 1460 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1461 snprintf(p, ETH_GSTRING_LEN, 1462 "port.rx_priority_%u_xon_2_xoff", i); 1463 p += ETH_GSTRING_LEN; 1464 } 1465 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */ 1466 break; 1467 case ETH_SS_PRIV_FLAGS: 1468 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) { 1469 memcpy(data, i40e_priv_flags_strings[i], 1470 ETH_GSTRING_LEN); 1471 data += ETH_GSTRING_LEN; 1472 } 1473 break; 1474 default: 1475 break; 1476 } 1477 } 1478 1479 static int i40e_get_ts_info(struct net_device *dev, 1480 struct ethtool_ts_info *info) 1481 { 1482 struct i40e_pf *pf = i40e_netdev_to_pf(dev); 1483 1484 /* only report HW timestamping if PTP is enabled */ 1485 if (!(pf->flags & I40E_FLAG_PTP)) 1486 return ethtool_op_get_ts_info(dev, info); 1487 1488 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 1489 SOF_TIMESTAMPING_RX_SOFTWARE | 1490 SOF_TIMESTAMPING_SOFTWARE | 1491 SOF_TIMESTAMPING_TX_HARDWARE | 1492 SOF_TIMESTAMPING_RX_HARDWARE | 1493 SOF_TIMESTAMPING_RAW_HARDWARE; 1494 1495 if (pf->ptp_clock) 1496 info->phc_index = ptp_clock_index(pf->ptp_clock); 1497 else 1498 info->phc_index = -1; 1499 1500 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 1501 1502 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | 1503 BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | 1504 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT); 1505 1506 return 0; 1507 } 1508 1509 static int i40e_link_test(struct net_device *netdev, u64 *data) 1510 { 1511 struct i40e_netdev_priv *np = netdev_priv(netdev); 1512 struct i40e_pf *pf = np->vsi->back; 1513 1514 netif_info(pf, hw, netdev, "link test\n"); 1515 if (i40e_get_link_status(&pf->hw)) 1516 *data = 0; 1517 else 1518 *data = 1; 1519 1520 return *data; 1521 } 1522 1523 static int i40e_reg_test(struct net_device *netdev, u64 *data) 1524 { 1525 struct i40e_netdev_priv *np = netdev_priv(netdev); 1526 struct i40e_pf *pf = np->vsi->back; 1527 1528 netif_info(pf, hw, netdev, "register test\n"); 1529 *data = i40e_diag_reg_test(&pf->hw); 1530 1531 return *data; 1532 } 1533 1534 static int i40e_eeprom_test(struct net_device *netdev, u64 *data) 1535 { 1536 struct i40e_netdev_priv *np = netdev_priv(netdev); 1537 struct i40e_pf *pf = np->vsi->back; 1538 1539 netif_info(pf, hw, netdev, "eeprom test\n"); 1540 *data = i40e_diag_eeprom_test(&pf->hw); 1541 1542 /* forcebly clear the NVM Update state machine */ 1543 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT; 1544 1545 return *data; 1546 } 1547 1548 static int i40e_intr_test(struct net_device *netdev, u64 *data) 1549 { 1550 struct i40e_netdev_priv *np = netdev_priv(netdev); 1551 struct i40e_pf *pf = np->vsi->back; 1552 u16 swc_old = pf->sw_int_count; 1553 1554 netif_info(pf, hw, netdev, "interrupt test\n"); 1555 wr32(&pf->hw, I40E_PFINT_DYN_CTL0, 1556 (I40E_PFINT_DYN_CTL0_INTENA_MASK | 1557 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK | 1558 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK | 1559 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK | 1560 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK)); 1561 usleep_range(1000, 2000); 1562 *data = (swc_old == pf->sw_int_count); 1563 1564 return *data; 1565 } 1566 1567 static int i40e_loopback_test(struct net_device *netdev, u64 *data) 1568 { 1569 struct i40e_netdev_priv *np = netdev_priv(netdev); 1570 struct i40e_pf *pf = np->vsi->back; 1571 1572 netif_info(pf, hw, netdev, "loopback test not implemented\n"); 1573 *data = 0; 1574 1575 return *data; 1576 } 1577 1578 static inline bool i40e_active_vfs(struct i40e_pf *pf) 1579 { 1580 struct i40e_vf *vfs = pf->vf; 1581 int i; 1582 1583 for (i = 0; i < pf->num_alloc_vfs; i++) 1584 if (vfs[i].vf_states & I40E_VF_STAT_ACTIVE) 1585 return true; 1586 return false; 1587 } 1588 1589 static inline bool i40e_active_vmdqs(struct i40e_pf *pf) 1590 { 1591 struct i40e_vsi **vsi = pf->vsi; 1592 int i; 1593 1594 for (i = 0; i < pf->num_alloc_vsi; i++) { 1595 if (!vsi[i]) 1596 continue; 1597 if (vsi[i]->type == I40E_VSI_VMDQ2) 1598 return true; 1599 } 1600 1601 return false; 1602 } 1603 1604 static void i40e_diag_test(struct net_device *netdev, 1605 struct ethtool_test *eth_test, u64 *data) 1606 { 1607 struct i40e_netdev_priv *np = netdev_priv(netdev); 1608 bool if_running = netif_running(netdev); 1609 struct i40e_pf *pf = np->vsi->back; 1610 1611 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1612 /* Offline tests */ 1613 netif_info(pf, drv, netdev, "offline testing starting\n"); 1614 1615 set_bit(__I40E_TESTING, &pf->state); 1616 1617 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) { 1618 dev_warn(&pf->pdev->dev, 1619 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 1620 data[I40E_ETH_TEST_REG] = 1; 1621 data[I40E_ETH_TEST_EEPROM] = 1; 1622 data[I40E_ETH_TEST_INTR] = 1; 1623 data[I40E_ETH_TEST_LOOPBACK] = 1; 1624 data[I40E_ETH_TEST_LINK] = 1; 1625 eth_test->flags |= ETH_TEST_FL_FAILED; 1626 clear_bit(__I40E_TESTING, &pf->state); 1627 goto skip_ol_tests; 1628 } 1629 1630 /* If the device is online then take it offline */ 1631 if (if_running) 1632 /* indicate we're in test mode */ 1633 dev_close(netdev); 1634 else 1635 /* This reset does not affect link - if it is 1636 * changed to a type of reset that does affect 1637 * link then the following link test would have 1638 * to be moved to before the reset 1639 */ 1640 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1641 1642 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1643 eth_test->flags |= ETH_TEST_FL_FAILED; 1644 1645 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM])) 1646 eth_test->flags |= ETH_TEST_FL_FAILED; 1647 1648 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR])) 1649 eth_test->flags |= ETH_TEST_FL_FAILED; 1650 1651 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK])) 1652 eth_test->flags |= ETH_TEST_FL_FAILED; 1653 1654 /* run reg test last, a reset is required after it */ 1655 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG])) 1656 eth_test->flags |= ETH_TEST_FL_FAILED; 1657 1658 clear_bit(__I40E_TESTING, &pf->state); 1659 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1660 1661 if (if_running) 1662 dev_open(netdev); 1663 } else { 1664 /* Online tests */ 1665 netif_info(pf, drv, netdev, "online testing starting\n"); 1666 1667 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1668 eth_test->flags |= ETH_TEST_FL_FAILED; 1669 1670 /* Offline only tests, not run in online; pass by default */ 1671 data[I40E_ETH_TEST_REG] = 0; 1672 data[I40E_ETH_TEST_EEPROM] = 0; 1673 data[I40E_ETH_TEST_INTR] = 0; 1674 data[I40E_ETH_TEST_LOOPBACK] = 0; 1675 } 1676 1677 skip_ol_tests: 1678 1679 netif_info(pf, drv, netdev, "testing finished\n"); 1680 } 1681 1682 static void i40e_get_wol(struct net_device *netdev, 1683 struct ethtool_wolinfo *wol) 1684 { 1685 struct i40e_netdev_priv *np = netdev_priv(netdev); 1686 struct i40e_pf *pf = np->vsi->back; 1687 struct i40e_hw *hw = &pf->hw; 1688 u16 wol_nvm_bits; 1689 1690 /* NVM bit on means WoL disabled for the port */ 1691 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1692 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) { 1693 wol->supported = 0; 1694 wol->wolopts = 0; 1695 } else { 1696 wol->supported = WAKE_MAGIC; 1697 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0); 1698 } 1699 } 1700 1701 /** 1702 * i40e_set_wol - set the WakeOnLAN configuration 1703 * @netdev: the netdev in question 1704 * @wol: the ethtool WoL setting data 1705 **/ 1706 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1707 { 1708 struct i40e_netdev_priv *np = netdev_priv(netdev); 1709 struct i40e_pf *pf = np->vsi->back; 1710 struct i40e_vsi *vsi = np->vsi; 1711 struct i40e_hw *hw = &pf->hw; 1712 u16 wol_nvm_bits; 1713 1714 /* WoL not supported if this isn't the controlling PF on the port */ 1715 if (hw->partition_id != 1) { 1716 i40e_partition_setting_complaint(pf); 1717 return -EOPNOTSUPP; 1718 } 1719 1720 if (vsi != pf->vsi[pf->lan_vsi]) 1721 return -EOPNOTSUPP; 1722 1723 /* NVM bit on means WoL disabled for the port */ 1724 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1725 if (BIT(hw->port) & wol_nvm_bits) 1726 return -EOPNOTSUPP; 1727 1728 /* only magic packet is supported */ 1729 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC)) 1730 return -EOPNOTSUPP; 1731 1732 /* is this a new value? */ 1733 if (pf->wol_en != !!wol->wolopts) { 1734 pf->wol_en = !!wol->wolopts; 1735 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en); 1736 } 1737 1738 return 0; 1739 } 1740 1741 static int i40e_set_phys_id(struct net_device *netdev, 1742 enum ethtool_phys_id_state state) 1743 { 1744 struct i40e_netdev_priv *np = netdev_priv(netdev); 1745 struct i40e_pf *pf = np->vsi->back; 1746 struct i40e_hw *hw = &pf->hw; 1747 int blink_freq = 2; 1748 1749 switch (state) { 1750 case ETHTOOL_ID_ACTIVE: 1751 pf->led_status = i40e_led_get(hw); 1752 return blink_freq; 1753 case ETHTOOL_ID_ON: 1754 i40e_led_set(hw, 0xF, false); 1755 break; 1756 case ETHTOOL_ID_OFF: 1757 i40e_led_set(hw, 0x0, false); 1758 break; 1759 case ETHTOOL_ID_INACTIVE: 1760 i40e_led_set(hw, pf->led_status, false); 1761 break; 1762 default: 1763 break; 1764 } 1765 1766 return 0; 1767 } 1768 1769 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt 1770 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also 1771 * 125us (8000 interrupts per second) == ITR(62) 1772 */ 1773 1774 static int i40e_get_coalesce(struct net_device *netdev, 1775 struct ethtool_coalesce *ec) 1776 { 1777 struct i40e_netdev_priv *np = netdev_priv(netdev); 1778 struct i40e_vsi *vsi = np->vsi; 1779 1780 ec->tx_max_coalesced_frames_irq = vsi->work_limit; 1781 ec->rx_max_coalesced_frames_irq = vsi->work_limit; 1782 1783 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting)) 1784 ec->use_adaptive_rx_coalesce = 1; 1785 1786 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting)) 1787 ec->use_adaptive_tx_coalesce = 1; 1788 1789 ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC; 1790 ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC; 1791 1792 return 0; 1793 } 1794 1795 static int i40e_set_coalesce(struct net_device *netdev, 1796 struct ethtool_coalesce *ec) 1797 { 1798 struct i40e_netdev_priv *np = netdev_priv(netdev); 1799 struct i40e_q_vector *q_vector; 1800 struct i40e_vsi *vsi = np->vsi; 1801 struct i40e_pf *pf = vsi->back; 1802 struct i40e_hw *hw = &pf->hw; 1803 u16 vector; 1804 int i; 1805 1806 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) 1807 vsi->work_limit = ec->tx_max_coalesced_frames_irq; 1808 1809 vector = vsi->base_vector; 1810 if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1811 (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1812 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1813 } else if (ec->rx_coalesce_usecs == 0) { 1814 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1815 if (ec->use_adaptive_rx_coalesce) 1816 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n"); 1817 } else { 1818 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n"); 1819 return -EINVAL; 1820 } 1821 1822 if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1823 (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1824 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1825 } else if (ec->tx_coalesce_usecs == 0) { 1826 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1827 if (ec->use_adaptive_tx_coalesce) 1828 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n"); 1829 } else { 1830 netif_info(pf, drv, netdev, 1831 "Invalid value, tx-usecs range is 0-8160\n"); 1832 return -EINVAL; 1833 } 1834 1835 if (ec->use_adaptive_rx_coalesce) 1836 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC; 1837 else 1838 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC; 1839 1840 if (ec->use_adaptive_tx_coalesce) 1841 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC; 1842 else 1843 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC; 1844 1845 for (i = 0; i < vsi->num_q_vectors; i++, vector++) { 1846 q_vector = vsi->q_vectors[i]; 1847 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting); 1848 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr); 1849 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting); 1850 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr); 1851 i40e_flush(hw); 1852 } 1853 1854 return 0; 1855 } 1856 1857 /** 1858 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type 1859 * @pf: pointer to the physical function struct 1860 * @cmd: ethtool rxnfc command 1861 * 1862 * Returns Success if the flow is supported, else Invalid Input. 1863 **/ 1864 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd) 1865 { 1866 cmd->data = 0; 1867 1868 if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) { 1869 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data; 1870 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type; 1871 return 0; 1872 } 1873 /* Report default options for RSS on i40e */ 1874 switch (cmd->flow_type) { 1875 case TCP_V4_FLOW: 1876 case UDP_V4_FLOW: 1877 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1878 /* fall through to add IP fields */ 1879 case SCTP_V4_FLOW: 1880 case AH_ESP_V4_FLOW: 1881 case AH_V4_FLOW: 1882 case ESP_V4_FLOW: 1883 case IPV4_FLOW: 1884 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1885 break; 1886 case TCP_V6_FLOW: 1887 case UDP_V6_FLOW: 1888 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1889 /* fall through to add IP fields */ 1890 case SCTP_V6_FLOW: 1891 case AH_ESP_V6_FLOW: 1892 case AH_V6_FLOW: 1893 case ESP_V6_FLOW: 1894 case IPV6_FLOW: 1895 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1896 break; 1897 default: 1898 return -EINVAL; 1899 } 1900 1901 return 0; 1902 } 1903 1904 /** 1905 * i40e_get_ethtool_fdir_all - Populates the rule count of a command 1906 * @pf: Pointer to the physical function struct 1907 * @cmd: The command to get or set Rx flow classification rules 1908 * @rule_locs: Array of used rule locations 1909 * 1910 * This function populates both the total and actual rule count of 1911 * the ethtool flow classification command 1912 * 1913 * Returns 0 on success or -EMSGSIZE if entry not found 1914 **/ 1915 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf, 1916 struct ethtool_rxnfc *cmd, 1917 u32 *rule_locs) 1918 { 1919 struct i40e_fdir_filter *rule; 1920 struct hlist_node *node2; 1921 int cnt = 0; 1922 1923 /* report total rule count */ 1924 cmd->data = i40e_get_fd_cnt_all(pf); 1925 1926 hlist_for_each_entry_safe(rule, node2, 1927 &pf->fdir_filter_list, fdir_node) { 1928 if (cnt == cmd->rule_cnt) 1929 return -EMSGSIZE; 1930 1931 rule_locs[cnt] = rule->fd_id; 1932 cnt++; 1933 } 1934 1935 cmd->rule_cnt = cnt; 1936 1937 return 0; 1938 } 1939 1940 /** 1941 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow 1942 * @pf: Pointer to the physical function struct 1943 * @cmd: The command to get or set Rx flow classification rules 1944 * 1945 * This function looks up a filter based on the Rx flow classification 1946 * command and fills the flow spec info for it if found 1947 * 1948 * Returns 0 on success or -EINVAL if filter not found 1949 **/ 1950 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf, 1951 struct ethtool_rxnfc *cmd) 1952 { 1953 struct ethtool_rx_flow_spec *fsp = 1954 (struct ethtool_rx_flow_spec *)&cmd->fs; 1955 struct i40e_fdir_filter *rule = NULL; 1956 struct hlist_node *node2; 1957 1958 hlist_for_each_entry_safe(rule, node2, 1959 &pf->fdir_filter_list, fdir_node) { 1960 if (fsp->location <= rule->fd_id) 1961 break; 1962 } 1963 1964 if (!rule || fsp->location != rule->fd_id) 1965 return -EINVAL; 1966 1967 fsp->flow_type = rule->flow_type; 1968 if (fsp->flow_type == IP_USER_FLOW) { 1969 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; 1970 fsp->h_u.usr_ip4_spec.proto = 0; 1971 fsp->m_u.usr_ip4_spec.proto = 0; 1972 } 1973 1974 /* Reverse the src and dest notion, since the HW views them from 1975 * Tx perspective where as the user expects it from Rx filter view. 1976 */ 1977 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port; 1978 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port; 1979 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0]; 1980 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0]; 1981 1982 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET) 1983 fsp->ring_cookie = RX_CLS_FLOW_DISC; 1984 else 1985 fsp->ring_cookie = rule->q_index; 1986 1987 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) { 1988 struct i40e_vsi *vsi; 1989 1990 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi); 1991 if (vsi && vsi->type == I40E_VSI_SRIOV) { 1992 fsp->h_ext.data[1] = htonl(vsi->vf_id); 1993 fsp->m_ext.data[1] = htonl(0x1); 1994 } 1995 } 1996 1997 return 0; 1998 } 1999 2000 /** 2001 * i40e_get_rxnfc - command to get RX flow classification rules 2002 * @netdev: network interface device structure 2003 * @cmd: ethtool rxnfc command 2004 * 2005 * Returns Success if the command is supported. 2006 **/ 2007 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2008 u32 *rule_locs) 2009 { 2010 struct i40e_netdev_priv *np = netdev_priv(netdev); 2011 struct i40e_vsi *vsi = np->vsi; 2012 struct i40e_pf *pf = vsi->back; 2013 int ret = -EOPNOTSUPP; 2014 2015 switch (cmd->cmd) { 2016 case ETHTOOL_GRXRINGS: 2017 cmd->data = vsi->alloc_queue_pairs; 2018 ret = 0; 2019 break; 2020 case ETHTOOL_GRXFH: 2021 ret = i40e_get_rss_hash_opts(pf, cmd); 2022 break; 2023 case ETHTOOL_GRXCLSRLCNT: 2024 cmd->rule_cnt = pf->fdir_pf_active_filters; 2025 /* report total rule count */ 2026 cmd->data = i40e_get_fd_cnt_all(pf); 2027 ret = 0; 2028 break; 2029 case ETHTOOL_GRXCLSRULE: 2030 ret = i40e_get_ethtool_fdir_entry(pf, cmd); 2031 break; 2032 case ETHTOOL_GRXCLSRLALL: 2033 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs); 2034 break; 2035 default: 2036 break; 2037 } 2038 2039 return ret; 2040 } 2041 2042 /** 2043 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2044 * @pf: pointer to the physical function struct 2045 * @cmd: ethtool rxnfc command 2046 * 2047 * Returns Success if the flow input set is supported. 2048 **/ 2049 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc) 2050 { 2051 struct i40e_hw *hw = &pf->hw; 2052 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) | 2053 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32); 2054 2055 /* RSS does not support anything other than hashing 2056 * to queues on src and dst IPs and ports 2057 */ 2058 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | 2059 RXH_L4_B_0_1 | RXH_L4_B_2_3)) 2060 return -EINVAL; 2061 2062 /* We need at least the IP SRC and DEST fields for hashing */ 2063 if (!(nfc->data & RXH_IP_SRC) || 2064 !(nfc->data & RXH_IP_DST)) 2065 return -EINVAL; 2066 2067 switch (nfc->flow_type) { 2068 case TCP_V4_FLOW: 2069 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2070 case 0: 2071 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 2072 break; 2073 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2074 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 2075 break; 2076 default: 2077 return -EINVAL; 2078 } 2079 break; 2080 case TCP_V6_FLOW: 2081 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2082 case 0: 2083 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 2084 break; 2085 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2086 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 2087 break; 2088 default: 2089 return -EINVAL; 2090 } 2091 break; 2092 case UDP_V4_FLOW: 2093 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2094 case 0: 2095 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 2096 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4)); 2097 break; 2098 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2099 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 2100 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4)); 2101 break; 2102 default: 2103 return -EINVAL; 2104 } 2105 break; 2106 case UDP_V6_FLOW: 2107 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2108 case 0: 2109 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 2110 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6)); 2111 break; 2112 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2113 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 2114 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6)); 2115 break; 2116 default: 2117 return -EINVAL; 2118 } 2119 break; 2120 case AH_ESP_V4_FLOW: 2121 case AH_V4_FLOW: 2122 case ESP_V4_FLOW: 2123 case SCTP_V4_FLOW: 2124 if ((nfc->data & RXH_L4_B_0_1) || 2125 (nfc->data & RXH_L4_B_2_3)) 2126 return -EINVAL; 2127 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER); 2128 break; 2129 case AH_ESP_V6_FLOW: 2130 case AH_V6_FLOW: 2131 case ESP_V6_FLOW: 2132 case SCTP_V6_FLOW: 2133 if ((nfc->data & RXH_L4_B_0_1) || 2134 (nfc->data & RXH_L4_B_2_3)) 2135 return -EINVAL; 2136 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER); 2137 break; 2138 case IPV4_FLOW: 2139 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) | 2140 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4); 2141 break; 2142 case IPV6_FLOW: 2143 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) | 2144 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6); 2145 break; 2146 default: 2147 return -EINVAL; 2148 } 2149 2150 wr32(hw, I40E_PFQF_HENA(0), (u32)hena); 2151 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32)); 2152 i40e_flush(hw); 2153 2154 /* Save setting for future output/update */ 2155 pf->vsi[pf->lan_vsi]->rxnfc = *nfc; 2156 2157 return 0; 2158 } 2159 2160 /** 2161 * i40e_match_fdir_input_set - Match a new filter against an existing one 2162 * @rule: The filter already added 2163 * @input: The new filter to comapre against 2164 * 2165 * Returns true if the two input set match 2166 **/ 2167 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule, 2168 struct i40e_fdir_filter *input) 2169 { 2170 if ((rule->dst_ip[0] != input->dst_ip[0]) || 2171 (rule->src_ip[0] != input->src_ip[0]) || 2172 (rule->dst_port != input->dst_port) || 2173 (rule->src_port != input->src_port)) 2174 return false; 2175 return true; 2176 } 2177 2178 /** 2179 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry 2180 * @vsi: Pointer to the targeted VSI 2181 * @input: The filter to update or NULL to indicate deletion 2182 * @sw_idx: Software index to the filter 2183 * @cmd: The command to get or set Rx flow classification rules 2184 * 2185 * This function updates (or deletes) a Flow Director entry from 2186 * the hlist of the corresponding PF 2187 * 2188 * Returns 0 on success 2189 **/ 2190 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi, 2191 struct i40e_fdir_filter *input, 2192 u16 sw_idx, 2193 struct ethtool_rxnfc *cmd) 2194 { 2195 struct i40e_fdir_filter *rule, *parent; 2196 struct i40e_pf *pf = vsi->back; 2197 struct hlist_node *node2; 2198 int err = -EINVAL; 2199 2200 parent = NULL; 2201 rule = NULL; 2202 2203 hlist_for_each_entry_safe(rule, node2, 2204 &pf->fdir_filter_list, fdir_node) { 2205 /* hash found, or no matching entry */ 2206 if (rule->fd_id >= sw_idx) 2207 break; 2208 parent = rule; 2209 } 2210 2211 /* if there is an old rule occupying our place remove it */ 2212 if (rule && (rule->fd_id == sw_idx)) { 2213 if (input && !i40e_match_fdir_input_set(rule, input)) 2214 err = i40e_add_del_fdir(vsi, rule, false); 2215 else if (!input) 2216 err = i40e_add_del_fdir(vsi, rule, false); 2217 hlist_del(&rule->fdir_node); 2218 kfree(rule); 2219 pf->fdir_pf_active_filters--; 2220 } 2221 2222 /* If no input this was a delete, err should be 0 if a rule was 2223 * successfully found and removed from the list else -EINVAL 2224 */ 2225 if (!input) 2226 return err; 2227 2228 /* initialize node and set software index */ 2229 INIT_HLIST_NODE(&input->fdir_node); 2230 2231 /* add filter to the list */ 2232 if (parent) 2233 hlist_add_behind(&input->fdir_node, &parent->fdir_node); 2234 else 2235 hlist_add_head(&input->fdir_node, 2236 &pf->fdir_filter_list); 2237 2238 /* update counts */ 2239 pf->fdir_pf_active_filters++; 2240 2241 return 0; 2242 } 2243 2244 /** 2245 * i40e_del_fdir_entry - Deletes a Flow Director filter entry 2246 * @vsi: Pointer to the targeted VSI 2247 * @cmd: The command to get or set Rx flow classification rules 2248 * 2249 * The function removes a Flow Director filter entry from the 2250 * hlist of the corresponding PF 2251 * 2252 * Returns 0 on success 2253 */ 2254 static int i40e_del_fdir_entry(struct i40e_vsi *vsi, 2255 struct ethtool_rxnfc *cmd) 2256 { 2257 struct ethtool_rx_flow_spec *fsp = 2258 (struct ethtool_rx_flow_spec *)&cmd->fs; 2259 struct i40e_pf *pf = vsi->back; 2260 int ret = 0; 2261 2262 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2263 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2264 return -EBUSY; 2265 2266 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2267 return -EBUSY; 2268 2269 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd); 2270 2271 i40e_fdir_check_and_reenable(pf); 2272 return ret; 2273 } 2274 2275 /** 2276 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters 2277 * @vsi: pointer to the targeted VSI 2278 * @cmd: command to get or set RX flow classification rules 2279 * 2280 * Add Flow Director filters for a specific flow spec based on their 2281 * protocol. Returns 0 if the filters were successfully added. 2282 **/ 2283 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, 2284 struct ethtool_rxnfc *cmd) 2285 { 2286 struct ethtool_rx_flow_spec *fsp; 2287 struct i40e_fdir_filter *input; 2288 struct i40e_pf *pf; 2289 int ret = -EINVAL; 2290 u16 vf_id; 2291 2292 if (!vsi) 2293 return -EINVAL; 2294 2295 pf = vsi->back; 2296 2297 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 2298 return -EOPNOTSUPP; 2299 2300 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED) 2301 return -ENOSPC; 2302 2303 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2304 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2305 return -EBUSY; 2306 2307 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2308 return -EBUSY; 2309 2310 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs; 2311 2312 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort + 2313 pf->hw.func_caps.fd_filters_guaranteed)) { 2314 return -EINVAL; 2315 } 2316 2317 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) && 2318 (fsp->ring_cookie >= vsi->num_queue_pairs)) 2319 return -EINVAL; 2320 2321 input = kzalloc(sizeof(*input), GFP_KERNEL); 2322 2323 if (!input) 2324 return -ENOMEM; 2325 2326 input->fd_id = fsp->location; 2327 2328 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) 2329 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET; 2330 else 2331 input->dest_ctl = 2332 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX; 2333 2334 input->q_index = fsp->ring_cookie; 2335 input->flex_off = 0; 2336 input->pctype = 0; 2337 input->dest_vsi = vsi->id; 2338 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID; 2339 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id); 2340 input->flow_type = fsp->flow_type; 2341 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto; 2342 2343 /* Reverse the src and dest notion, since the HW expects them to be from 2344 * Tx perspective where as the input from user is from Rx filter view. 2345 */ 2346 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc; 2347 input->src_port = fsp->h_u.tcp_ip4_spec.pdst; 2348 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src; 2349 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst; 2350 2351 if (ntohl(fsp->m_ext.data[1])) { 2352 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) { 2353 netif_info(pf, drv, vsi->netdev, "Invalid VF id\n"); 2354 goto free_input; 2355 } 2356 vf_id = ntohl(fsp->h_ext.data[1]); 2357 /* Find vsi id from vf id and override dest vsi */ 2358 input->dest_vsi = pf->vf[vf_id].lan_vsi_id; 2359 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) { 2360 netif_info(pf, drv, vsi->netdev, "Invalid queue id\n"); 2361 goto free_input; 2362 } 2363 } 2364 2365 ret = i40e_add_del_fdir(vsi, input, true); 2366 free_input: 2367 if (ret) 2368 kfree(input); 2369 else 2370 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL); 2371 2372 return ret; 2373 } 2374 2375 /** 2376 * i40e_set_rxnfc - command to set RX flow classification rules 2377 * @netdev: network interface device structure 2378 * @cmd: ethtool rxnfc command 2379 * 2380 * Returns Success if the command is supported. 2381 **/ 2382 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2383 { 2384 struct i40e_netdev_priv *np = netdev_priv(netdev); 2385 struct i40e_vsi *vsi = np->vsi; 2386 struct i40e_pf *pf = vsi->back; 2387 int ret = -EOPNOTSUPP; 2388 2389 switch (cmd->cmd) { 2390 case ETHTOOL_SRXFH: 2391 ret = i40e_set_rss_hash_opt(pf, cmd); 2392 break; 2393 case ETHTOOL_SRXCLSRLINS: 2394 ret = i40e_add_fdir_ethtool(vsi, cmd); 2395 break; 2396 case ETHTOOL_SRXCLSRLDEL: 2397 ret = i40e_del_fdir_entry(vsi, cmd); 2398 break; 2399 default: 2400 break; 2401 } 2402 2403 return ret; 2404 } 2405 2406 /** 2407 * i40e_max_channels - get Max number of combined channels supported 2408 * @vsi: vsi pointer 2409 **/ 2410 static unsigned int i40e_max_channels(struct i40e_vsi *vsi) 2411 { 2412 /* TODO: This code assumes DCB and FD is disabled for now. */ 2413 return vsi->alloc_queue_pairs; 2414 } 2415 2416 /** 2417 * i40e_get_channels - Get the current channels enabled and max supported etc. 2418 * @netdev: network interface device structure 2419 * @ch: ethtool channels structure 2420 * 2421 * We don't support separate tx and rx queues as channels. The other count 2422 * represents how many queues are being used for control. max_combined counts 2423 * how many queue pairs we can support. They may not be mapped 1 to 1 with 2424 * q_vectors since we support a lot more queue pairs than q_vectors. 2425 **/ 2426 static void i40e_get_channels(struct net_device *dev, 2427 struct ethtool_channels *ch) 2428 { 2429 struct i40e_netdev_priv *np = netdev_priv(dev); 2430 struct i40e_vsi *vsi = np->vsi; 2431 struct i40e_pf *pf = vsi->back; 2432 2433 /* report maximum channels */ 2434 ch->max_combined = i40e_max_channels(vsi); 2435 2436 /* report info for other vector */ 2437 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0; 2438 ch->max_other = ch->other_count; 2439 2440 /* Note: This code assumes DCB is disabled for now. */ 2441 ch->combined_count = vsi->num_queue_pairs; 2442 } 2443 2444 /** 2445 * i40e_set_channels - Set the new channels count. 2446 * @netdev: network interface device structure 2447 * @ch: ethtool channels structure 2448 * 2449 * The new channels count may not be the same as requested by the user 2450 * since it gets rounded down to a power of 2 value. 2451 **/ 2452 static int i40e_set_channels(struct net_device *dev, 2453 struct ethtool_channels *ch) 2454 { 2455 struct i40e_netdev_priv *np = netdev_priv(dev); 2456 unsigned int count = ch->combined_count; 2457 struct i40e_vsi *vsi = np->vsi; 2458 struct i40e_pf *pf = vsi->back; 2459 int new_count; 2460 2461 /* We do not support setting channels for any other VSI at present */ 2462 if (vsi->type != I40E_VSI_MAIN) 2463 return -EINVAL; 2464 2465 /* verify they are not requesting separate vectors */ 2466 if (!count || ch->rx_count || ch->tx_count) 2467 return -EINVAL; 2468 2469 /* verify other_count has not changed */ 2470 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0)) 2471 return -EINVAL; 2472 2473 /* verify the number of channels does not exceed hardware limits */ 2474 if (count > i40e_max_channels(vsi)) 2475 return -EINVAL; 2476 2477 /* update feature limits from largest to smallest supported values */ 2478 /* TODO: Flow director limit, DCB etc */ 2479 2480 /* use rss_reconfig to rebuild with new queue count and update traffic 2481 * class queue mapping 2482 */ 2483 new_count = i40e_reconfig_rss_queues(pf, count); 2484 if (new_count > 0) 2485 return 0; 2486 else 2487 return -EINVAL; 2488 } 2489 2490 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4) 2491 /** 2492 * i40e_get_rxfh_key_size - get the RSS hash key size 2493 * @netdev: network interface device structure 2494 * 2495 * Returns the table size. 2496 **/ 2497 static u32 i40e_get_rxfh_key_size(struct net_device *netdev) 2498 { 2499 return I40E_HKEY_ARRAY_SIZE; 2500 } 2501 2502 /** 2503 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size 2504 * @netdev: network interface device structure 2505 * 2506 * Returns the table size. 2507 **/ 2508 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev) 2509 { 2510 return I40E_HLUT_ARRAY_SIZE; 2511 } 2512 2513 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, 2514 u8 *hfunc) 2515 { 2516 struct i40e_netdev_priv *np = netdev_priv(netdev); 2517 struct i40e_vsi *vsi = np->vsi; 2518 struct i40e_pf *pf = vsi->back; 2519 struct i40e_hw *hw = &pf->hw; 2520 u32 reg_val; 2521 int i, j; 2522 2523 if (hfunc) 2524 *hfunc = ETH_RSS_HASH_TOP; 2525 2526 if (!indir) 2527 return 0; 2528 2529 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) { 2530 reg_val = rd32(hw, I40E_PFQF_HLUT(i)); 2531 indir[j++] = reg_val & 0xff; 2532 indir[j++] = (reg_val >> 8) & 0xff; 2533 indir[j++] = (reg_val >> 16) & 0xff; 2534 indir[j++] = (reg_val >> 24) & 0xff; 2535 } 2536 2537 if (key) { 2538 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) { 2539 reg_val = rd32(hw, I40E_PFQF_HKEY(i)); 2540 key[j++] = (u8)(reg_val & 0xff); 2541 key[j++] = (u8)((reg_val >> 8) & 0xff); 2542 key[j++] = (u8)((reg_val >> 16) & 0xff); 2543 key[j++] = (u8)((reg_val >> 24) & 0xff); 2544 } 2545 } 2546 return 0; 2547 } 2548 2549 /** 2550 * i40e_set_rxfh - set the rx flow hash indirection table 2551 * @netdev: network interface device structure 2552 * @indir: indirection table 2553 * @key: hash key 2554 * 2555 * Returns -EINVAL if the table specifies an invalid queue id, otherwise 2556 * returns 0 after programming the table. 2557 **/ 2558 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir, 2559 const u8 *key, const u8 hfunc) 2560 { 2561 struct i40e_netdev_priv *np = netdev_priv(netdev); 2562 struct i40e_vsi *vsi = np->vsi; 2563 struct i40e_pf *pf = vsi->back; 2564 struct i40e_hw *hw = &pf->hw; 2565 u32 reg_val; 2566 int i, j; 2567 2568 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 2569 return -EOPNOTSUPP; 2570 2571 if (!indir) 2572 return 0; 2573 2574 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) { 2575 reg_val = indir[j++]; 2576 reg_val |= indir[j++] << 8; 2577 reg_val |= indir[j++] << 16; 2578 reg_val |= indir[j++] << 24; 2579 wr32(hw, I40E_PFQF_HLUT(i), reg_val); 2580 } 2581 2582 if (key) { 2583 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) { 2584 reg_val = key[j++]; 2585 reg_val |= key[j++] << 8; 2586 reg_val |= key[j++] << 16; 2587 reg_val |= key[j++] << 24; 2588 wr32(hw, I40E_PFQF_HKEY(i), reg_val); 2589 } 2590 } 2591 return 0; 2592 } 2593 2594 /** 2595 * i40e_get_priv_flags - report device private flags 2596 * @dev: network interface device structure 2597 * 2598 * The get string set count and the string set should be matched for each 2599 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings 2600 * array. 2601 * 2602 * Returns a u32 bitmap of flags. 2603 **/ 2604 static u32 i40e_get_priv_flags(struct net_device *dev) 2605 { 2606 struct i40e_netdev_priv *np = netdev_priv(dev); 2607 struct i40e_vsi *vsi = np->vsi; 2608 struct i40e_pf *pf = vsi->back; 2609 u32 ret_flags = 0; 2610 2611 ret_flags |= pf->hw.func_caps.npar_enable ? 2612 I40E_PRIV_FLAGS_NPAR_FLAG : 0; 2613 2614 return ret_flags; 2615 } 2616 2617 static const struct ethtool_ops i40e_ethtool_ops = { 2618 .get_settings = i40e_get_settings, 2619 .set_settings = i40e_set_settings, 2620 .get_drvinfo = i40e_get_drvinfo, 2621 .get_regs_len = i40e_get_regs_len, 2622 .get_regs = i40e_get_regs, 2623 .nway_reset = i40e_nway_reset, 2624 .get_link = ethtool_op_get_link, 2625 .get_wol = i40e_get_wol, 2626 .set_wol = i40e_set_wol, 2627 .set_eeprom = i40e_set_eeprom, 2628 .get_eeprom_len = i40e_get_eeprom_len, 2629 .get_eeprom = i40e_get_eeprom, 2630 .get_ringparam = i40e_get_ringparam, 2631 .set_ringparam = i40e_set_ringparam, 2632 .get_pauseparam = i40e_get_pauseparam, 2633 .set_pauseparam = i40e_set_pauseparam, 2634 .get_msglevel = i40e_get_msglevel, 2635 .set_msglevel = i40e_set_msglevel, 2636 .get_rxnfc = i40e_get_rxnfc, 2637 .set_rxnfc = i40e_set_rxnfc, 2638 .self_test = i40e_diag_test, 2639 .get_strings = i40e_get_strings, 2640 .set_phys_id = i40e_set_phys_id, 2641 .get_sset_count = i40e_get_sset_count, 2642 .get_ethtool_stats = i40e_get_ethtool_stats, 2643 .get_coalesce = i40e_get_coalesce, 2644 .set_coalesce = i40e_set_coalesce, 2645 .get_rxfh_key_size = i40e_get_rxfh_key_size, 2646 .get_rxfh_indir_size = i40e_get_rxfh_indir_size, 2647 .get_rxfh = i40e_get_rxfh, 2648 .set_rxfh = i40e_set_rxfh, 2649 .get_channels = i40e_get_channels, 2650 .set_channels = i40e_set_channels, 2651 .get_ts_info = i40e_get_ts_info, 2652 .get_priv_flags = i40e_get_priv_flags, 2653 }; 2654 2655 void i40e_set_ethtool_ops(struct net_device *netdev) 2656 { 2657 netdev->ethtool_ops = &i40e_ethtool_ops; 2658 } 2659