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 I40E_VSI_STAT("tx_linearize", tx_linearize), 91 }; 92 93 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 94 * but they are separate. This device supports Virtualization, and 95 * as such might have several netdevs supporting VMDq and FCoE going 96 * through a single port. The NETDEV_STATs are for individual netdevs 97 * seen at the top of the stack, and the PF_STATs are for the physical 98 * function at the bottom of the stack hosting those netdevs. 99 * 100 * The PF_STATs are appended to the netdev stats only when ethtool -S 101 * is queried on the base PF netdev, not on the VMDq or FCoE netdev. 102 */ 103 static struct i40e_stats i40e_gstrings_stats[] = { 104 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes), 105 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes), 106 I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast), 107 I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast), 108 I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast), 109 I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast), 110 I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast), 111 I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast), 112 I40E_PF_STAT("tx_errors", stats.eth.tx_errors), 113 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards), 114 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down), 115 I40E_PF_STAT("rx_crc_errors", stats.crc_errors), 116 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes), 117 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults), 118 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults), 119 I40E_PF_STAT("tx_timeout", tx_timeout_count), 120 I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error), 121 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors), 122 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx), 123 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx), 124 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx), 125 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx), 126 I40E_PF_STAT("rx_size_64", stats.rx_size_64), 127 I40E_PF_STAT("rx_size_127", stats.rx_size_127), 128 I40E_PF_STAT("rx_size_255", stats.rx_size_255), 129 I40E_PF_STAT("rx_size_511", stats.rx_size_511), 130 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023), 131 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522), 132 I40E_PF_STAT("rx_size_big", stats.rx_size_big), 133 I40E_PF_STAT("tx_size_64", stats.tx_size_64), 134 I40E_PF_STAT("tx_size_127", stats.tx_size_127), 135 I40E_PF_STAT("tx_size_255", stats.tx_size_255), 136 I40E_PF_STAT("tx_size_511", stats.tx_size_511), 137 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023), 138 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522), 139 I40E_PF_STAT("tx_size_big", stats.tx_size_big), 140 I40E_PF_STAT("rx_undersize", stats.rx_undersize), 141 I40E_PF_STAT("rx_fragments", stats.rx_fragments), 142 I40E_PF_STAT("rx_oversize", stats.rx_oversize), 143 I40E_PF_STAT("rx_jabber", stats.rx_jabber), 144 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests), 145 I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared), 146 I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt), 147 I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match), 148 I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match), 149 I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status), 150 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match), 151 I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status), 152 153 /* LPI stats */ 154 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status), 155 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status), 156 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count), 157 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count), 158 }; 159 160 #ifdef I40E_FCOE 161 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = { 162 I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc), 163 I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped), 164 I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets), 165 I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords), 166 I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count), 167 I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error), 168 I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets), 169 I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords), 170 }; 171 172 #endif /* I40E_FCOE */ 173 #define I40E_QUEUE_STATS_LEN(n) \ 174 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \ 175 * 2 /* Tx and Rx together */ \ 176 * (sizeof(struct i40e_queue_stats) / sizeof(u64))) 177 #define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats) 178 #define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats) 179 #define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats) 180 #ifdef I40E_FCOE 181 #define I40E_FCOE_STATS_LEN ARRAY_SIZE(i40e_gstrings_fcoe_stats) 182 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ 183 I40E_FCOE_STATS_LEN + \ 184 I40E_MISC_STATS_LEN + \ 185 I40E_QUEUE_STATS_LEN((n))) 186 #else 187 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ 188 I40E_MISC_STATS_LEN + \ 189 I40E_QUEUE_STATS_LEN((n))) 190 #endif /* I40E_FCOE */ 191 #define I40E_PFC_STATS_LEN ( \ 192 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \ 193 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \ 194 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \ 195 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \ 196 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \ 197 / sizeof(u64)) 198 #define I40E_VEB_TC_STATS_LEN ( \ 199 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \ 200 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \ 201 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \ 202 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \ 203 / sizeof(u64)) 204 #define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats) 205 #define I40E_VEB_STATS_TOTAL (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN) 206 #define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \ 207 I40E_PFC_STATS_LEN + \ 208 I40E_VSI_STATS_LEN((n))) 209 210 enum i40e_ethtool_test_id { 211 I40E_ETH_TEST_REG = 0, 212 I40E_ETH_TEST_EEPROM, 213 I40E_ETH_TEST_INTR, 214 I40E_ETH_TEST_LOOPBACK, 215 I40E_ETH_TEST_LINK, 216 }; 217 218 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = { 219 "Register test (offline)", 220 "Eeprom test (offline)", 221 "Interrupt test (offline)", 222 "Loopback test (offline)", 223 "Link test (on/offline)" 224 }; 225 226 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN) 227 228 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = { 229 "NPAR", 230 "LinkPolling", 231 "flow-director-atr", 232 "veb-stats", 233 }; 234 235 #define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings) 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 struct i40e_pf *pf) 258 { 259 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 260 u32 link_speed = hw_link_info->link_speed; 261 262 /* Initialize supported and advertised settings based on phy settings */ 263 switch (hw_link_info->phy_type) { 264 case I40E_PHY_TYPE_40GBASE_CR4: 265 case I40E_PHY_TYPE_40GBASE_CR4_CU: 266 ecmd->supported = SUPPORTED_Autoneg | 267 SUPPORTED_40000baseCR4_Full; 268 ecmd->advertising = ADVERTISED_Autoneg | 269 ADVERTISED_40000baseCR4_Full; 270 break; 271 case I40E_PHY_TYPE_XLAUI: 272 case I40E_PHY_TYPE_XLPPI: 273 case I40E_PHY_TYPE_40GBASE_AOC: 274 ecmd->supported = SUPPORTED_40000baseCR4_Full; 275 break; 276 case I40E_PHY_TYPE_40GBASE_SR4: 277 ecmd->supported = SUPPORTED_40000baseSR4_Full; 278 break; 279 case I40E_PHY_TYPE_40GBASE_LR4: 280 ecmd->supported = SUPPORTED_40000baseLR4_Full; 281 break; 282 case I40E_PHY_TYPE_10GBASE_SR: 283 case I40E_PHY_TYPE_10GBASE_LR: 284 case I40E_PHY_TYPE_1000BASE_SX: 285 case I40E_PHY_TYPE_1000BASE_LX: 286 ecmd->supported = SUPPORTED_10000baseT_Full; 287 if (hw_link_info->module_type[2] & 288 I40E_MODULE_TYPE_1000BASE_SX || 289 hw_link_info->module_type[2] & 290 I40E_MODULE_TYPE_1000BASE_LX) { 291 ecmd->supported |= SUPPORTED_1000baseT_Full; 292 if (hw_link_info->requested_speeds & 293 I40E_LINK_SPEED_1GB) 294 ecmd->advertising |= ADVERTISED_1000baseT_Full; 295 } 296 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 297 ecmd->advertising |= ADVERTISED_10000baseT_Full; 298 break; 299 case I40E_PHY_TYPE_10GBASE_T: 300 case I40E_PHY_TYPE_1000BASE_T: 301 ecmd->supported = SUPPORTED_Autoneg | 302 SUPPORTED_10000baseT_Full | 303 SUPPORTED_1000baseT_Full; 304 ecmd->advertising = ADVERTISED_Autoneg; 305 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 306 ecmd->advertising |= ADVERTISED_10000baseT_Full; 307 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 308 ecmd->advertising |= ADVERTISED_1000baseT_Full; 309 break; 310 case I40E_PHY_TYPE_1000BASE_T_OPTICAL: 311 ecmd->supported = SUPPORTED_Autoneg | 312 SUPPORTED_1000baseT_Full; 313 ecmd->advertising = ADVERTISED_Autoneg | 314 ADVERTISED_1000baseT_Full; 315 break; 316 case I40E_PHY_TYPE_100BASE_TX: 317 ecmd->supported = SUPPORTED_Autoneg | 318 SUPPORTED_100baseT_Full; 319 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 320 ecmd->advertising |= ADVERTISED_100baseT_Full; 321 break; 322 case I40E_PHY_TYPE_10GBASE_CR1_CU: 323 case I40E_PHY_TYPE_10GBASE_CR1: 324 ecmd->supported = SUPPORTED_Autoneg | 325 SUPPORTED_10000baseT_Full; 326 ecmd->advertising = ADVERTISED_Autoneg | 327 ADVERTISED_10000baseT_Full; 328 break; 329 case I40E_PHY_TYPE_XAUI: 330 case I40E_PHY_TYPE_XFI: 331 case I40E_PHY_TYPE_SFI: 332 case I40E_PHY_TYPE_10GBASE_SFPP_CU: 333 case I40E_PHY_TYPE_10GBASE_AOC: 334 ecmd->supported = SUPPORTED_10000baseT_Full; 335 break; 336 case I40E_PHY_TYPE_SGMII: 337 ecmd->supported = SUPPORTED_Autoneg | 338 SUPPORTED_1000baseT_Full; 339 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 340 ecmd->advertising |= ADVERTISED_1000baseT_Full; 341 if (pf->hw.mac.type == I40E_MAC_X722) { 342 ecmd->supported |= SUPPORTED_100baseT_Full; 343 if (hw_link_info->requested_speeds & 344 I40E_LINK_SPEED_100MB) 345 ecmd->advertising |= ADVERTISED_100baseT_Full; 346 } 347 break; 348 /* Backplane is set based on supported phy types in get_settings 349 * so don't set anything here but don't warn either 350 */ 351 case I40E_PHY_TYPE_40GBASE_KR4: 352 case I40E_PHY_TYPE_20GBASE_KR2: 353 case I40E_PHY_TYPE_10GBASE_KR: 354 case I40E_PHY_TYPE_10GBASE_KX4: 355 case I40E_PHY_TYPE_1000BASE_KX: 356 break; 357 default: 358 /* if we got here and link is up something bad is afoot */ 359 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n", 360 hw_link_info->phy_type); 361 } 362 363 /* Set speed and duplex */ 364 switch (link_speed) { 365 case I40E_LINK_SPEED_40GB: 366 ethtool_cmd_speed_set(ecmd, SPEED_40000); 367 break; 368 case I40E_LINK_SPEED_20GB: 369 ethtool_cmd_speed_set(ecmd, SPEED_20000); 370 break; 371 case I40E_LINK_SPEED_10GB: 372 ethtool_cmd_speed_set(ecmd, SPEED_10000); 373 break; 374 case I40E_LINK_SPEED_1GB: 375 ethtool_cmd_speed_set(ecmd, SPEED_1000); 376 break; 377 case I40E_LINK_SPEED_100MB: 378 ethtool_cmd_speed_set(ecmd, SPEED_100); 379 break; 380 default: 381 break; 382 } 383 ecmd->duplex = DUPLEX_FULL; 384 } 385 386 /** 387 * i40e_get_settings_link_down - Get the Link settings for when link is down 388 * @hw: hw structure 389 * @ecmd: ethtool command to fill in 390 * 391 * Reports link settings that can be determined when link is down 392 **/ 393 static void i40e_get_settings_link_down(struct i40e_hw *hw, 394 struct ethtool_cmd *ecmd, 395 struct i40e_pf *pf) 396 { 397 enum i40e_aq_capabilities_phy_type phy_types = hw->phy.phy_types; 398 399 /* link is down and the driver needs to fall back on 400 * supported phy types to figure out what info to display 401 */ 402 ecmd->supported = 0x0; 403 ecmd->advertising = 0x0; 404 if (phy_types & I40E_CAP_PHY_TYPE_SGMII) { 405 ecmd->supported |= SUPPORTED_Autoneg | 406 SUPPORTED_1000baseT_Full; 407 ecmd->advertising |= ADVERTISED_Autoneg | 408 ADVERTISED_1000baseT_Full; 409 if (pf->hw.mac.type == I40E_MAC_X722) { 410 ecmd->supported |= SUPPORTED_100baseT_Full; 411 ecmd->advertising |= ADVERTISED_100baseT_Full; 412 } 413 } 414 if (phy_types & I40E_CAP_PHY_TYPE_XAUI || 415 phy_types & I40E_CAP_PHY_TYPE_XFI || 416 phy_types & I40E_CAP_PHY_TYPE_SFI || 417 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU || 418 phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC) 419 ecmd->supported |= SUPPORTED_10000baseT_Full; 420 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU || 421 phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 || 422 phy_types & I40E_CAP_PHY_TYPE_10GBASE_T || 423 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR || 424 phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) { 425 ecmd->supported |= SUPPORTED_Autoneg | 426 SUPPORTED_10000baseT_Full; 427 ecmd->advertising |= ADVERTISED_Autoneg | 428 ADVERTISED_10000baseT_Full; 429 } 430 if (phy_types & I40E_CAP_PHY_TYPE_XLAUI || 431 phy_types & I40E_CAP_PHY_TYPE_XLPPI || 432 phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC) 433 ecmd->supported |= SUPPORTED_40000baseCR4_Full; 434 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU || 435 phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) { 436 ecmd->supported |= SUPPORTED_Autoneg | 437 SUPPORTED_40000baseCR4_Full; 438 ecmd->advertising |= ADVERTISED_Autoneg | 439 ADVERTISED_40000baseCR4_Full; 440 } 441 if ((phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) && 442 !(phy_types & I40E_CAP_PHY_TYPE_1000BASE_T)) { 443 ecmd->supported |= SUPPORTED_Autoneg | 444 SUPPORTED_100baseT_Full; 445 ecmd->advertising |= ADVERTISED_Autoneg | 446 ADVERTISED_100baseT_Full; 447 } 448 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T || 449 phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX || 450 phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX || 451 phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) { 452 ecmd->supported |= SUPPORTED_Autoneg | 453 SUPPORTED_1000baseT_Full; 454 ecmd->advertising |= ADVERTISED_Autoneg | 455 ADVERTISED_1000baseT_Full; 456 } 457 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4) 458 ecmd->supported |= SUPPORTED_40000baseSR4_Full; 459 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4) 460 ecmd->supported |= SUPPORTED_40000baseLR4_Full; 461 462 /* With no link speed and duplex are unknown */ 463 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN); 464 ecmd->duplex = DUPLEX_UNKNOWN; 465 } 466 467 /** 468 * i40e_get_settings - Get Link Speed and Duplex settings 469 * @netdev: network interface device structure 470 * @ecmd: ethtool command 471 * 472 * Reports speed/duplex settings based on media_type 473 **/ 474 static int i40e_get_settings(struct net_device *netdev, 475 struct ethtool_cmd *ecmd) 476 { 477 struct i40e_netdev_priv *np = netdev_priv(netdev); 478 struct i40e_pf *pf = np->vsi->back; 479 struct i40e_hw *hw = &pf->hw; 480 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 481 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 482 483 if (link_up) 484 i40e_get_settings_link_up(hw, ecmd, netdev, pf); 485 else 486 i40e_get_settings_link_down(hw, ecmd, pf); 487 488 /* Now set the settings that don't rely on link being up/down */ 489 490 /* For backplane, supported and advertised are only reliant on the 491 * phy types the NVM specifies are supported. 492 */ 493 if (hw->device_id == I40E_DEV_ID_KX_B || 494 hw->device_id == I40E_DEV_ID_KX_C || 495 hw->device_id == I40E_DEV_ID_20G_KR2 || 496 hw->device_id == I40E_DEV_ID_20G_KR2_A) { 497 ecmd->supported = SUPPORTED_Autoneg; 498 ecmd->advertising = ADVERTISED_Autoneg; 499 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) { 500 ecmd->supported |= SUPPORTED_40000baseKR4_Full; 501 ecmd->advertising |= ADVERTISED_40000baseKR4_Full; 502 } 503 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) { 504 ecmd->supported |= SUPPORTED_20000baseKR2_Full; 505 ecmd->advertising |= ADVERTISED_20000baseKR2_Full; 506 } 507 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) { 508 ecmd->supported |= SUPPORTED_10000baseKR_Full; 509 ecmd->advertising |= ADVERTISED_10000baseKR_Full; 510 } 511 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) { 512 ecmd->supported |= SUPPORTED_10000baseKX4_Full; 513 ecmd->advertising |= ADVERTISED_10000baseKX4_Full; 514 } 515 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) { 516 ecmd->supported |= SUPPORTED_1000baseKX_Full; 517 ecmd->advertising |= ADVERTISED_1000baseKX_Full; 518 } 519 } 520 521 /* Set autoneg settings */ 522 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 523 AUTONEG_ENABLE : AUTONEG_DISABLE); 524 525 switch (hw->phy.media_type) { 526 case I40E_MEDIA_TYPE_BACKPLANE: 527 ecmd->supported |= SUPPORTED_Autoneg | 528 SUPPORTED_Backplane; 529 ecmd->advertising |= ADVERTISED_Autoneg | 530 ADVERTISED_Backplane; 531 ecmd->port = PORT_NONE; 532 break; 533 case I40E_MEDIA_TYPE_BASET: 534 ecmd->supported |= SUPPORTED_TP; 535 ecmd->advertising |= ADVERTISED_TP; 536 ecmd->port = PORT_TP; 537 break; 538 case I40E_MEDIA_TYPE_DA: 539 case I40E_MEDIA_TYPE_CX4: 540 ecmd->supported |= SUPPORTED_FIBRE; 541 ecmd->advertising |= ADVERTISED_FIBRE; 542 ecmd->port = PORT_DA; 543 break; 544 case I40E_MEDIA_TYPE_FIBER: 545 ecmd->supported |= SUPPORTED_FIBRE; 546 ecmd->port = PORT_FIBRE; 547 break; 548 case I40E_MEDIA_TYPE_UNKNOWN: 549 default: 550 ecmd->port = PORT_OTHER; 551 break; 552 } 553 554 /* Set transceiver */ 555 ecmd->transceiver = XCVR_EXTERNAL; 556 557 /* Set flow control settings */ 558 ecmd->supported |= SUPPORTED_Pause; 559 560 switch (hw->fc.requested_mode) { 561 case I40E_FC_FULL: 562 ecmd->advertising |= ADVERTISED_Pause; 563 break; 564 case I40E_FC_TX_PAUSE: 565 ecmd->advertising |= ADVERTISED_Asym_Pause; 566 break; 567 case I40E_FC_RX_PAUSE: 568 ecmd->advertising |= (ADVERTISED_Pause | 569 ADVERTISED_Asym_Pause); 570 break; 571 default: 572 ecmd->advertising &= ~(ADVERTISED_Pause | 573 ADVERTISED_Asym_Pause); 574 break; 575 } 576 577 return 0; 578 } 579 580 /** 581 * i40e_set_settings - Set Speed and Duplex 582 * @netdev: network interface device structure 583 * @ecmd: ethtool command 584 * 585 * Set speed/duplex per media_types advertised/forced 586 **/ 587 static int i40e_set_settings(struct net_device *netdev, 588 struct ethtool_cmd *ecmd) 589 { 590 struct i40e_netdev_priv *np = netdev_priv(netdev); 591 struct i40e_aq_get_phy_abilities_resp abilities; 592 struct i40e_aq_set_phy_config config; 593 struct i40e_pf *pf = np->vsi->back; 594 struct i40e_vsi *vsi = np->vsi; 595 struct i40e_hw *hw = &pf->hw; 596 struct ethtool_cmd safe_ecmd; 597 i40e_status status = 0; 598 bool change = false; 599 int err = 0; 600 u8 autoneg; 601 u32 advertise; 602 603 /* Changing port settings is not supported if this isn't the 604 * port's controlling PF 605 */ 606 if (hw->partition_id != 1) { 607 i40e_partition_setting_complaint(pf); 608 return -EOPNOTSUPP; 609 } 610 611 if (vsi != pf->vsi[pf->lan_vsi]) 612 return -EOPNOTSUPP; 613 614 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET && 615 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER && 616 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE && 617 hw->phy.link_info.link_info & I40E_AQ_LINK_UP) 618 return -EOPNOTSUPP; 619 620 if (hw->device_id == I40E_DEV_ID_KX_B || 621 hw->device_id == I40E_DEV_ID_KX_C || 622 hw->device_id == I40E_DEV_ID_20G_KR2 || 623 hw->device_id == I40E_DEV_ID_20G_KR2_A) { 624 netdev_info(netdev, "Changing settings is not supported on backplane.\n"); 625 return -EOPNOTSUPP; 626 } 627 628 /* get our own copy of the bits to check against */ 629 memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd)); 630 i40e_get_settings(netdev, &safe_ecmd); 631 632 /* save autoneg and speed out of ecmd */ 633 autoneg = ecmd->autoneg; 634 advertise = ecmd->advertising; 635 636 /* set autoneg and speed back to what they currently are */ 637 ecmd->autoneg = safe_ecmd.autoneg; 638 ecmd->advertising = safe_ecmd.advertising; 639 640 ecmd->cmd = safe_ecmd.cmd; 641 /* If ecmd and safe_ecmd are not the same now, then they are 642 * trying to set something that we do not support 643 */ 644 if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd))) 645 return -EOPNOTSUPP; 646 647 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state)) 648 usleep_range(1000, 2000); 649 650 /* Get the current phy config */ 651 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities, 652 NULL); 653 if (status) 654 return -EAGAIN; 655 656 /* Copy abilities to config in case autoneg is not 657 * set below 658 */ 659 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config)); 660 config.abilities = abilities.abilities; 661 662 /* Check autoneg */ 663 if (autoneg == AUTONEG_ENABLE) { 664 /* If autoneg was not already enabled */ 665 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) { 666 /* If autoneg is not supported, return error */ 667 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) { 668 netdev_info(netdev, "Autoneg not supported on this phy\n"); 669 return -EINVAL; 670 } 671 /* Autoneg is allowed to change */ 672 config.abilities = abilities.abilities | 673 I40E_AQ_PHY_ENABLE_AN; 674 change = true; 675 } 676 } else { 677 /* If autoneg is currently enabled */ 678 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) { 679 /* If autoneg is supported 10GBASE_T is the only PHY 680 * that can disable it, so otherwise return error 681 */ 682 if (safe_ecmd.supported & SUPPORTED_Autoneg && 683 hw->phy.link_info.phy_type != 684 I40E_PHY_TYPE_10GBASE_T) { 685 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 686 return -EINVAL; 687 } 688 /* Autoneg is allowed to change */ 689 config.abilities = abilities.abilities & 690 ~I40E_AQ_PHY_ENABLE_AN; 691 change = true; 692 } 693 } 694 695 if (advertise & ~safe_ecmd.supported) 696 return -EINVAL; 697 698 if (advertise & ADVERTISED_100baseT_Full) 699 config.link_speed |= I40E_LINK_SPEED_100MB; 700 if (advertise & ADVERTISED_1000baseT_Full || 701 advertise & ADVERTISED_1000baseKX_Full) 702 config.link_speed |= I40E_LINK_SPEED_1GB; 703 if (advertise & ADVERTISED_10000baseT_Full || 704 advertise & ADVERTISED_10000baseKX4_Full || 705 advertise & ADVERTISED_10000baseKR_Full) 706 config.link_speed |= I40E_LINK_SPEED_10GB; 707 if (advertise & ADVERTISED_20000baseKR2_Full) 708 config.link_speed |= I40E_LINK_SPEED_20GB; 709 if (advertise & ADVERTISED_40000baseKR4_Full || 710 advertise & ADVERTISED_40000baseCR4_Full || 711 advertise & ADVERTISED_40000baseSR4_Full || 712 advertise & ADVERTISED_40000baseLR4_Full) 713 config.link_speed |= I40E_LINK_SPEED_40GB; 714 715 /* If speed didn't get set, set it to what it currently is. 716 * This is needed because if advertise is 0 (as it is when autoneg 717 * is disabled) then speed won't get set. 718 */ 719 if (!config.link_speed) 720 config.link_speed = abilities.link_speed; 721 722 if (change || (abilities.link_speed != config.link_speed)) { 723 /* copy over the rest of the abilities */ 724 config.phy_type = abilities.phy_type; 725 config.eee_capability = abilities.eee_capability; 726 config.eeer = abilities.eeer_val; 727 config.low_power_ctrl = abilities.d3_lpan; 728 729 /* save the requested speeds */ 730 hw->phy.link_info.requested_speeds = config.link_speed; 731 /* set link and auto negotiation so changes take effect */ 732 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK; 733 /* If link is up put link down */ 734 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) { 735 /* Tell the OS link is going down, the link will go 736 * back up when fw says it is ready asynchronously 737 */ 738 i40e_print_link_message(vsi, false); 739 netif_carrier_off(netdev); 740 netif_tx_stop_all_queues(netdev); 741 } 742 743 /* make the aq call */ 744 status = i40e_aq_set_phy_config(hw, &config, NULL); 745 if (status) { 746 netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n", 747 i40e_stat_str(hw, status), 748 i40e_aq_str(hw, hw->aq.asq_last_status)); 749 return -EAGAIN; 750 } 751 752 status = i40e_update_link_info(hw); 753 if (status) 754 netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n", 755 i40e_stat_str(hw, status), 756 i40e_aq_str(hw, hw->aq.asq_last_status)); 757 758 } else { 759 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 760 } 761 762 return err; 763 } 764 765 static int i40e_nway_reset(struct net_device *netdev) 766 { 767 /* restart autonegotiation */ 768 struct i40e_netdev_priv *np = netdev_priv(netdev); 769 struct i40e_pf *pf = np->vsi->back; 770 struct i40e_hw *hw = &pf->hw; 771 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP; 772 i40e_status ret = 0; 773 774 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL); 775 if (ret) { 776 netdev_info(netdev, "link restart failed, err %s aq_err %s\n", 777 i40e_stat_str(hw, ret), 778 i40e_aq_str(hw, hw->aq.asq_last_status)); 779 return -EIO; 780 } 781 782 return 0; 783 } 784 785 /** 786 * i40e_get_pauseparam - Get Flow Control status 787 * Return tx/rx-pause status 788 **/ 789 static void i40e_get_pauseparam(struct net_device *netdev, 790 struct ethtool_pauseparam *pause) 791 { 792 struct i40e_netdev_priv *np = netdev_priv(netdev); 793 struct i40e_pf *pf = np->vsi->back; 794 struct i40e_hw *hw = &pf->hw; 795 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 796 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 797 798 pause->autoneg = 799 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 800 AUTONEG_ENABLE : AUTONEG_DISABLE); 801 802 /* PFC enabled so report LFC as off */ 803 if (dcbx_cfg->pfc.pfcenable) { 804 pause->rx_pause = 0; 805 pause->tx_pause = 0; 806 return; 807 } 808 809 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) { 810 pause->rx_pause = 1; 811 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) { 812 pause->tx_pause = 1; 813 } else if (hw->fc.current_mode == I40E_FC_FULL) { 814 pause->rx_pause = 1; 815 pause->tx_pause = 1; 816 } 817 } 818 819 /** 820 * i40e_set_pauseparam - Set Flow Control parameter 821 * @netdev: network interface device structure 822 * @pause: return tx/rx flow control status 823 **/ 824 static int i40e_set_pauseparam(struct net_device *netdev, 825 struct ethtool_pauseparam *pause) 826 { 827 struct i40e_netdev_priv *np = netdev_priv(netdev); 828 struct i40e_pf *pf = np->vsi->back; 829 struct i40e_vsi *vsi = np->vsi; 830 struct i40e_hw *hw = &pf->hw; 831 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 832 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 833 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 834 i40e_status status; 835 u8 aq_failures; 836 int err = 0; 837 838 /* Changing the port's flow control is not supported if this isn't the 839 * port's controlling PF 840 */ 841 if (hw->partition_id != 1) { 842 i40e_partition_setting_complaint(pf); 843 return -EOPNOTSUPP; 844 } 845 846 if (vsi != pf->vsi[pf->lan_vsi]) 847 return -EOPNOTSUPP; 848 849 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 850 AUTONEG_ENABLE : AUTONEG_DISABLE)) { 851 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 852 return -EOPNOTSUPP; 853 } 854 855 /* If we have link and don't have autoneg */ 856 if (!test_bit(__I40E_DOWN, &pf->state) && 857 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) { 858 /* Send message that it might not necessarily work*/ 859 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 860 } 861 862 if (dcbx_cfg->pfc.pfcenable) { 863 netdev_info(netdev, 864 "Priority flow control enabled. Cannot set link flow control.\n"); 865 return -EOPNOTSUPP; 866 } 867 868 if (pause->rx_pause && pause->tx_pause) 869 hw->fc.requested_mode = I40E_FC_FULL; 870 else if (pause->rx_pause && !pause->tx_pause) 871 hw->fc.requested_mode = I40E_FC_RX_PAUSE; 872 else if (!pause->rx_pause && pause->tx_pause) 873 hw->fc.requested_mode = I40E_FC_TX_PAUSE; 874 else if (!pause->rx_pause && !pause->tx_pause) 875 hw->fc.requested_mode = I40E_FC_NONE; 876 else 877 return -EINVAL; 878 879 /* Tell the OS link is going down, the link will go back up when fw 880 * says it is ready asynchronously 881 */ 882 i40e_print_link_message(vsi, false); 883 netif_carrier_off(netdev); 884 netif_tx_stop_all_queues(netdev); 885 886 /* Set the fc mode and only restart an if link is up*/ 887 status = i40e_set_fc(hw, &aq_failures, link_up); 888 889 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) { 890 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 891 i40e_stat_str(hw, status), 892 i40e_aq_str(hw, hw->aq.asq_last_status)); 893 err = -EAGAIN; 894 } 895 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) { 896 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 897 i40e_stat_str(hw, status), 898 i40e_aq_str(hw, hw->aq.asq_last_status)); 899 err = -EAGAIN; 900 } 901 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) { 902 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 903 i40e_stat_str(hw, status), 904 i40e_aq_str(hw, hw->aq.asq_last_status)); 905 err = -EAGAIN; 906 } 907 908 if (!test_bit(__I40E_DOWN, &pf->state)) { 909 /* Give it a little more time to try to come back */ 910 msleep(75); 911 if (!test_bit(__I40E_DOWN, &pf->state)) 912 return i40e_nway_reset(netdev); 913 } 914 915 return err; 916 } 917 918 static u32 i40e_get_msglevel(struct net_device *netdev) 919 { 920 struct i40e_netdev_priv *np = netdev_priv(netdev); 921 struct i40e_pf *pf = np->vsi->back; 922 923 return pf->msg_enable; 924 } 925 926 static void i40e_set_msglevel(struct net_device *netdev, u32 data) 927 { 928 struct i40e_netdev_priv *np = netdev_priv(netdev); 929 struct i40e_pf *pf = np->vsi->back; 930 931 if (I40E_DEBUG_USER & data) 932 pf->hw.debug_mask = data; 933 pf->msg_enable = data; 934 } 935 936 static int i40e_get_regs_len(struct net_device *netdev) 937 { 938 int reg_count = 0; 939 int i; 940 941 for (i = 0; i40e_reg_list[i].offset != 0; i++) 942 reg_count += i40e_reg_list[i].elements; 943 944 return reg_count * sizeof(u32); 945 } 946 947 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs, 948 void *p) 949 { 950 struct i40e_netdev_priv *np = netdev_priv(netdev); 951 struct i40e_pf *pf = np->vsi->back; 952 struct i40e_hw *hw = &pf->hw; 953 u32 *reg_buf = p; 954 int i, j, ri; 955 u32 reg; 956 957 /* Tell ethtool which driver-version-specific regs output we have. 958 * 959 * At some point, if we have ethtool doing special formatting of 960 * this data, it will rely on this version number to know how to 961 * interpret things. Hence, this needs to be updated if/when the 962 * diags register table is changed. 963 */ 964 regs->version = 1; 965 966 /* loop through the diags reg table for what to print */ 967 ri = 0; 968 for (i = 0; i40e_reg_list[i].offset != 0; i++) { 969 for (j = 0; j < i40e_reg_list[i].elements; j++) { 970 reg = i40e_reg_list[i].offset 971 + (j * i40e_reg_list[i].stride); 972 reg_buf[ri++] = rd32(hw, reg); 973 } 974 } 975 976 } 977 978 static int i40e_get_eeprom(struct net_device *netdev, 979 struct ethtool_eeprom *eeprom, u8 *bytes) 980 { 981 struct i40e_netdev_priv *np = netdev_priv(netdev); 982 struct i40e_hw *hw = &np->vsi->back->hw; 983 struct i40e_pf *pf = np->vsi->back; 984 int ret_val = 0, len, offset; 985 u8 *eeprom_buff; 986 u16 i, sectors; 987 bool last; 988 u32 magic; 989 990 #define I40E_NVM_SECTOR_SIZE 4096 991 if (eeprom->len == 0) 992 return -EINVAL; 993 994 /* check for NVMUpdate access method */ 995 magic = hw->vendor_id | (hw->device_id << 16); 996 if (eeprom->magic && eeprom->magic != magic) { 997 struct i40e_nvm_access *cmd; 998 int errno; 999 1000 /* make sure it is the right magic for NVMUpdate */ 1001 if ((eeprom->magic >> 16) != hw->device_id) 1002 return -EINVAL; 1003 1004 cmd = (struct i40e_nvm_access *)eeprom; 1005 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 1006 if (ret_val && (hw->debug_mask & I40E_DEBUG_NVM)) 1007 dev_info(&pf->pdev->dev, 1008 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 1009 ret_val, hw->aq.asq_last_status, errno, 1010 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 1011 cmd->offset, cmd->data_size); 1012 1013 return errno; 1014 } 1015 1016 /* normal ethtool get_eeprom support */ 1017 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 1018 1019 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL); 1020 if (!eeprom_buff) 1021 return -ENOMEM; 1022 1023 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); 1024 if (ret_val) { 1025 dev_info(&pf->pdev->dev, 1026 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1027 ret_val, hw->aq.asq_last_status); 1028 goto free_buff; 1029 } 1030 1031 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE; 1032 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0; 1033 len = I40E_NVM_SECTOR_SIZE; 1034 last = false; 1035 for (i = 0; i < sectors; i++) { 1036 if (i == (sectors - 1)) { 1037 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i); 1038 last = true; 1039 } 1040 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i), 1041 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len, 1042 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i), 1043 last, NULL); 1044 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) { 1045 dev_info(&pf->pdev->dev, 1046 "read NVM failed, invalid offset 0x%x\n", 1047 offset); 1048 break; 1049 } else if (ret_val && 1050 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) { 1051 dev_info(&pf->pdev->dev, 1052 "read NVM failed, access, offset 0x%x\n", 1053 offset); 1054 break; 1055 } else if (ret_val) { 1056 dev_info(&pf->pdev->dev, 1057 "read NVM failed offset %d err=%d status=0x%x\n", 1058 offset, ret_val, hw->aq.asq_last_status); 1059 break; 1060 } 1061 } 1062 1063 i40e_release_nvm(hw); 1064 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len); 1065 free_buff: 1066 kfree(eeprom_buff); 1067 return ret_val; 1068 } 1069 1070 static int i40e_get_eeprom_len(struct net_device *netdev) 1071 { 1072 struct i40e_netdev_priv *np = netdev_priv(netdev); 1073 struct i40e_hw *hw = &np->vsi->back->hw; 1074 u32 val; 1075 1076 val = (rd32(hw, I40E_GLPCI_LBARCTRL) 1077 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK) 1078 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT; 1079 /* register returns value in power of 2, 64Kbyte chunks. */ 1080 val = (64 * 1024) * BIT(val); 1081 return val; 1082 } 1083 1084 static int i40e_set_eeprom(struct net_device *netdev, 1085 struct ethtool_eeprom *eeprom, u8 *bytes) 1086 { 1087 struct i40e_netdev_priv *np = netdev_priv(netdev); 1088 struct i40e_hw *hw = &np->vsi->back->hw; 1089 struct i40e_pf *pf = np->vsi->back; 1090 struct i40e_nvm_access *cmd; 1091 int ret_val = 0; 1092 int errno; 1093 u32 magic; 1094 1095 /* normal ethtool set_eeprom is not supported */ 1096 magic = hw->vendor_id | (hw->device_id << 16); 1097 if (eeprom->magic == magic) 1098 return -EOPNOTSUPP; 1099 1100 /* check for NVMUpdate access method */ 1101 if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id) 1102 return -EINVAL; 1103 1104 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 1105 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 1106 return -EBUSY; 1107 1108 cmd = (struct i40e_nvm_access *)eeprom; 1109 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 1110 if (ret_val && (hw->debug_mask & I40E_DEBUG_NVM)) 1111 dev_info(&pf->pdev->dev, 1112 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 1113 ret_val, hw->aq.asq_last_status, errno, 1114 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 1115 cmd->offset, cmd->data_size); 1116 1117 return errno; 1118 } 1119 1120 static void i40e_get_drvinfo(struct net_device *netdev, 1121 struct ethtool_drvinfo *drvinfo) 1122 { 1123 struct i40e_netdev_priv *np = netdev_priv(netdev); 1124 struct i40e_vsi *vsi = np->vsi; 1125 struct i40e_pf *pf = vsi->back; 1126 1127 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver)); 1128 strlcpy(drvinfo->version, i40e_driver_version_str, 1129 sizeof(drvinfo->version)); 1130 strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw), 1131 sizeof(drvinfo->fw_version)); 1132 strlcpy(drvinfo->bus_info, pci_name(pf->pdev), 1133 sizeof(drvinfo->bus_info)); 1134 } 1135 1136 static void i40e_get_ringparam(struct net_device *netdev, 1137 struct ethtool_ringparam *ring) 1138 { 1139 struct i40e_netdev_priv *np = netdev_priv(netdev); 1140 struct i40e_pf *pf = np->vsi->back; 1141 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; 1142 1143 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1144 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1145 ring->rx_mini_max_pending = 0; 1146 ring->rx_jumbo_max_pending = 0; 1147 ring->rx_pending = vsi->rx_rings[0]->count; 1148 ring->tx_pending = vsi->tx_rings[0]->count; 1149 ring->rx_mini_pending = 0; 1150 ring->rx_jumbo_pending = 0; 1151 } 1152 1153 static int i40e_set_ringparam(struct net_device *netdev, 1154 struct ethtool_ringparam *ring) 1155 { 1156 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL; 1157 struct i40e_netdev_priv *np = netdev_priv(netdev); 1158 struct i40e_vsi *vsi = np->vsi; 1159 struct i40e_pf *pf = vsi->back; 1160 u32 new_rx_count, new_tx_count; 1161 int i, err = 0; 1162 1163 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 1164 return -EINVAL; 1165 1166 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS || 1167 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS || 1168 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS || 1169 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) { 1170 netdev_info(netdev, 1171 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n", 1172 ring->tx_pending, ring->rx_pending, 1173 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS); 1174 return -EINVAL; 1175 } 1176 1177 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1178 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1179 1180 /* if nothing to do return success */ 1181 if ((new_tx_count == vsi->tx_rings[0]->count) && 1182 (new_rx_count == vsi->rx_rings[0]->count)) 1183 return 0; 1184 1185 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state)) 1186 usleep_range(1000, 2000); 1187 1188 if (!netif_running(vsi->netdev)) { 1189 /* simple case - set for the next time the netdev is started */ 1190 for (i = 0; i < vsi->num_queue_pairs; i++) { 1191 vsi->tx_rings[i]->count = new_tx_count; 1192 vsi->rx_rings[i]->count = new_rx_count; 1193 } 1194 goto done; 1195 } 1196 1197 /* We can't just free everything and then setup again, 1198 * because the ISRs in MSI-X mode get passed pointers 1199 * to the Tx and Rx ring structs. 1200 */ 1201 1202 /* alloc updated Tx resources */ 1203 if (new_tx_count != vsi->tx_rings[0]->count) { 1204 netdev_info(netdev, 1205 "Changing Tx descriptor count from %d to %d.\n", 1206 vsi->tx_rings[0]->count, new_tx_count); 1207 tx_rings = kcalloc(vsi->alloc_queue_pairs, 1208 sizeof(struct i40e_ring), GFP_KERNEL); 1209 if (!tx_rings) { 1210 err = -ENOMEM; 1211 goto done; 1212 } 1213 1214 for (i = 0; i < vsi->num_queue_pairs; i++) { 1215 /* clone ring and setup updated count */ 1216 tx_rings[i] = *vsi->tx_rings[i]; 1217 tx_rings[i].count = new_tx_count; 1218 /* the desc and bi pointers will be reallocated in the 1219 * setup call 1220 */ 1221 tx_rings[i].desc = NULL; 1222 tx_rings[i].rx_bi = NULL; 1223 err = i40e_setup_tx_descriptors(&tx_rings[i]); 1224 if (err) { 1225 while (i) { 1226 i--; 1227 i40e_free_tx_resources(&tx_rings[i]); 1228 } 1229 kfree(tx_rings); 1230 tx_rings = NULL; 1231 1232 goto done; 1233 } 1234 } 1235 } 1236 1237 /* alloc updated Rx resources */ 1238 if (new_rx_count != vsi->rx_rings[0]->count) { 1239 netdev_info(netdev, 1240 "Changing Rx descriptor count from %d to %d\n", 1241 vsi->rx_rings[0]->count, new_rx_count); 1242 rx_rings = kcalloc(vsi->alloc_queue_pairs, 1243 sizeof(struct i40e_ring), GFP_KERNEL); 1244 if (!rx_rings) { 1245 err = -ENOMEM; 1246 goto free_tx; 1247 } 1248 1249 for (i = 0; i < vsi->num_queue_pairs; i++) { 1250 /* clone ring and setup updated count */ 1251 rx_rings[i] = *vsi->rx_rings[i]; 1252 rx_rings[i].count = new_rx_count; 1253 /* the desc and bi pointers will be reallocated in the 1254 * setup call 1255 */ 1256 rx_rings[i].desc = NULL; 1257 rx_rings[i].rx_bi = NULL; 1258 err = i40e_setup_rx_descriptors(&rx_rings[i]); 1259 if (err) { 1260 while (i) { 1261 i--; 1262 i40e_free_rx_resources(&rx_rings[i]); 1263 } 1264 kfree(rx_rings); 1265 rx_rings = NULL; 1266 1267 goto free_tx; 1268 } 1269 } 1270 } 1271 1272 /* Bring interface down, copy in the new ring info, 1273 * then restore the interface 1274 */ 1275 i40e_down(vsi); 1276 1277 if (tx_rings) { 1278 for (i = 0; i < vsi->num_queue_pairs; i++) { 1279 i40e_free_tx_resources(vsi->tx_rings[i]); 1280 *vsi->tx_rings[i] = tx_rings[i]; 1281 } 1282 kfree(tx_rings); 1283 tx_rings = NULL; 1284 } 1285 1286 if (rx_rings) { 1287 for (i = 0; i < vsi->num_queue_pairs; i++) { 1288 i40e_free_rx_resources(vsi->rx_rings[i]); 1289 *vsi->rx_rings[i] = rx_rings[i]; 1290 } 1291 kfree(rx_rings); 1292 rx_rings = NULL; 1293 } 1294 1295 i40e_up(vsi); 1296 1297 free_tx: 1298 /* error cleanup if the Rx allocations failed after getting Tx */ 1299 if (tx_rings) { 1300 for (i = 0; i < vsi->num_queue_pairs; i++) 1301 i40e_free_tx_resources(&tx_rings[i]); 1302 kfree(tx_rings); 1303 tx_rings = NULL; 1304 } 1305 1306 done: 1307 clear_bit(__I40E_CONFIG_BUSY, &pf->state); 1308 1309 return err; 1310 } 1311 1312 static int i40e_get_sset_count(struct net_device *netdev, int sset) 1313 { 1314 struct i40e_netdev_priv *np = netdev_priv(netdev); 1315 struct i40e_vsi *vsi = np->vsi; 1316 struct i40e_pf *pf = vsi->back; 1317 1318 switch (sset) { 1319 case ETH_SS_TEST: 1320 return I40E_TEST_LEN; 1321 case ETH_SS_STATS: 1322 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) { 1323 int len = I40E_PF_STATS_LEN(netdev); 1324 1325 if ((pf->lan_veb != I40E_NO_VEB) && 1326 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) 1327 len += I40E_VEB_STATS_TOTAL; 1328 return len; 1329 } else { 1330 return I40E_VSI_STATS_LEN(netdev); 1331 } 1332 case ETH_SS_PRIV_FLAGS: 1333 return I40E_PRIV_FLAGS_STR_LEN; 1334 default: 1335 return -EOPNOTSUPP; 1336 } 1337 } 1338 1339 static void i40e_get_ethtool_stats(struct net_device *netdev, 1340 struct ethtool_stats *stats, u64 *data) 1341 { 1342 struct i40e_netdev_priv *np = netdev_priv(netdev); 1343 struct i40e_ring *tx_ring, *rx_ring; 1344 struct i40e_vsi *vsi = np->vsi; 1345 struct i40e_pf *pf = vsi->back; 1346 int i = 0; 1347 char *p; 1348 int j; 1349 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi); 1350 unsigned int start; 1351 1352 i40e_update_stats(vsi); 1353 1354 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) { 1355 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset; 1356 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat == 1357 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1358 } 1359 for (j = 0; j < I40E_MISC_STATS_LEN; j++) { 1360 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset; 1361 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat == 1362 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1363 } 1364 #ifdef I40E_FCOE 1365 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) { 1366 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset; 1367 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat == 1368 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1369 } 1370 #endif 1371 rcu_read_lock(); 1372 for (j = 0; j < vsi->num_queue_pairs; j++) { 1373 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]); 1374 1375 if (!tx_ring) 1376 continue; 1377 1378 /* process Tx ring statistics */ 1379 do { 1380 start = u64_stats_fetch_begin_irq(&tx_ring->syncp); 1381 data[i] = tx_ring->stats.packets; 1382 data[i + 1] = tx_ring->stats.bytes; 1383 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start)); 1384 i += 2; 1385 1386 /* Rx ring is the 2nd half of the queue pair */ 1387 rx_ring = &tx_ring[1]; 1388 do { 1389 start = u64_stats_fetch_begin_irq(&rx_ring->syncp); 1390 data[i] = rx_ring->stats.packets; 1391 data[i + 1] = rx_ring->stats.bytes; 1392 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start)); 1393 i += 2; 1394 } 1395 rcu_read_unlock(); 1396 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1397 return; 1398 1399 if ((pf->lan_veb != I40E_NO_VEB) && 1400 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 1401 struct i40e_veb *veb = pf->veb[pf->lan_veb]; 1402 1403 for (j = 0; j < I40E_VEB_STATS_LEN; j++) { 1404 p = (char *)veb; 1405 p += i40e_gstrings_veb_stats[j].stat_offset; 1406 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat == 1407 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1408 } 1409 for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) { 1410 data[i++] = veb->tc_stats.tc_tx_packets[j]; 1411 data[i++] = veb->tc_stats.tc_tx_bytes[j]; 1412 data[i++] = veb->tc_stats.tc_rx_packets[j]; 1413 data[i++] = veb->tc_stats.tc_rx_bytes[j]; 1414 } 1415 } 1416 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) { 1417 p = (char *)pf + i40e_gstrings_stats[j].stat_offset; 1418 data[i++] = (i40e_gstrings_stats[j].sizeof_stat == 1419 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1420 } 1421 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1422 data[i++] = pf->stats.priority_xon_tx[j]; 1423 data[i++] = pf->stats.priority_xoff_tx[j]; 1424 } 1425 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1426 data[i++] = pf->stats.priority_xon_rx[j]; 1427 data[i++] = pf->stats.priority_xoff_rx[j]; 1428 } 1429 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) 1430 data[i++] = pf->stats.priority_xon_2_xoff[j]; 1431 } 1432 1433 static void i40e_get_strings(struct net_device *netdev, u32 stringset, 1434 u8 *data) 1435 { 1436 struct i40e_netdev_priv *np = netdev_priv(netdev); 1437 struct i40e_vsi *vsi = np->vsi; 1438 struct i40e_pf *pf = vsi->back; 1439 char *p = (char *)data; 1440 int i; 1441 1442 switch (stringset) { 1443 case ETH_SS_TEST: 1444 for (i = 0; i < I40E_TEST_LEN; i++) { 1445 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN); 1446 data += ETH_GSTRING_LEN; 1447 } 1448 break; 1449 case ETH_SS_STATS: 1450 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) { 1451 snprintf(p, ETH_GSTRING_LEN, "%s", 1452 i40e_gstrings_net_stats[i].stat_string); 1453 p += ETH_GSTRING_LEN; 1454 } 1455 for (i = 0; i < I40E_MISC_STATS_LEN; i++) { 1456 snprintf(p, ETH_GSTRING_LEN, "%s", 1457 i40e_gstrings_misc_stats[i].stat_string); 1458 p += ETH_GSTRING_LEN; 1459 } 1460 #ifdef I40E_FCOE 1461 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) { 1462 snprintf(p, ETH_GSTRING_LEN, "%s", 1463 i40e_gstrings_fcoe_stats[i].stat_string); 1464 p += ETH_GSTRING_LEN; 1465 } 1466 #endif 1467 for (i = 0; i < vsi->num_queue_pairs; i++) { 1468 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i); 1469 p += ETH_GSTRING_LEN; 1470 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i); 1471 p += ETH_GSTRING_LEN; 1472 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i); 1473 p += ETH_GSTRING_LEN; 1474 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i); 1475 p += ETH_GSTRING_LEN; 1476 } 1477 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1478 return; 1479 1480 if ((pf->lan_veb != I40E_NO_VEB) && 1481 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 1482 for (i = 0; i < I40E_VEB_STATS_LEN; i++) { 1483 snprintf(p, ETH_GSTRING_LEN, "veb.%s", 1484 i40e_gstrings_veb_stats[i].stat_string); 1485 p += ETH_GSTRING_LEN; 1486 } 1487 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1488 snprintf(p, ETH_GSTRING_LEN, 1489 "veb.tc_%u_tx_packets", i); 1490 p += ETH_GSTRING_LEN; 1491 snprintf(p, ETH_GSTRING_LEN, 1492 "veb.tc_%u_tx_bytes", i); 1493 p += ETH_GSTRING_LEN; 1494 snprintf(p, ETH_GSTRING_LEN, 1495 "veb.tc_%u_rx_packets", i); 1496 p += ETH_GSTRING_LEN; 1497 snprintf(p, ETH_GSTRING_LEN, 1498 "veb.tc_%u_rx_bytes", i); 1499 p += ETH_GSTRING_LEN; 1500 } 1501 } 1502 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) { 1503 snprintf(p, ETH_GSTRING_LEN, "port.%s", 1504 i40e_gstrings_stats[i].stat_string); 1505 p += ETH_GSTRING_LEN; 1506 } 1507 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1508 snprintf(p, ETH_GSTRING_LEN, 1509 "port.tx_priority_%u_xon", i); 1510 p += ETH_GSTRING_LEN; 1511 snprintf(p, ETH_GSTRING_LEN, 1512 "port.tx_priority_%u_xoff", i); 1513 p += ETH_GSTRING_LEN; 1514 } 1515 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1516 snprintf(p, ETH_GSTRING_LEN, 1517 "port.rx_priority_%u_xon", i); 1518 p += ETH_GSTRING_LEN; 1519 snprintf(p, ETH_GSTRING_LEN, 1520 "port.rx_priority_%u_xoff", i); 1521 p += ETH_GSTRING_LEN; 1522 } 1523 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1524 snprintf(p, ETH_GSTRING_LEN, 1525 "port.rx_priority_%u_xon_2_xoff", i); 1526 p += ETH_GSTRING_LEN; 1527 } 1528 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */ 1529 break; 1530 case ETH_SS_PRIV_FLAGS: 1531 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) { 1532 memcpy(data, i40e_priv_flags_strings[i], 1533 ETH_GSTRING_LEN); 1534 data += ETH_GSTRING_LEN; 1535 } 1536 break; 1537 default: 1538 break; 1539 } 1540 } 1541 1542 static int i40e_get_ts_info(struct net_device *dev, 1543 struct ethtool_ts_info *info) 1544 { 1545 struct i40e_pf *pf = i40e_netdev_to_pf(dev); 1546 1547 /* only report HW timestamping if PTP is enabled */ 1548 if (!(pf->flags & I40E_FLAG_PTP)) 1549 return ethtool_op_get_ts_info(dev, info); 1550 1551 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 1552 SOF_TIMESTAMPING_RX_SOFTWARE | 1553 SOF_TIMESTAMPING_SOFTWARE | 1554 SOF_TIMESTAMPING_TX_HARDWARE | 1555 SOF_TIMESTAMPING_RX_HARDWARE | 1556 SOF_TIMESTAMPING_RAW_HARDWARE; 1557 1558 if (pf->ptp_clock) 1559 info->phc_index = ptp_clock_index(pf->ptp_clock); 1560 else 1561 info->phc_index = -1; 1562 1563 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 1564 1565 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | 1566 BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | 1567 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT); 1568 1569 return 0; 1570 } 1571 1572 static int i40e_link_test(struct net_device *netdev, u64 *data) 1573 { 1574 struct i40e_netdev_priv *np = netdev_priv(netdev); 1575 struct i40e_pf *pf = np->vsi->back; 1576 i40e_status status; 1577 bool link_up = false; 1578 1579 netif_info(pf, hw, netdev, "link test\n"); 1580 status = i40e_get_link_status(&pf->hw, &link_up); 1581 if (status) { 1582 netif_err(pf, drv, netdev, "link query timed out, please retry test\n"); 1583 *data = 1; 1584 return *data; 1585 } 1586 1587 if (link_up) 1588 *data = 0; 1589 else 1590 *data = 1; 1591 1592 return *data; 1593 } 1594 1595 static int i40e_reg_test(struct net_device *netdev, u64 *data) 1596 { 1597 struct i40e_netdev_priv *np = netdev_priv(netdev); 1598 struct i40e_pf *pf = np->vsi->back; 1599 1600 netif_info(pf, hw, netdev, "register test\n"); 1601 *data = i40e_diag_reg_test(&pf->hw); 1602 1603 return *data; 1604 } 1605 1606 static int i40e_eeprom_test(struct net_device *netdev, u64 *data) 1607 { 1608 struct i40e_netdev_priv *np = netdev_priv(netdev); 1609 struct i40e_pf *pf = np->vsi->back; 1610 1611 netif_info(pf, hw, netdev, "eeprom test\n"); 1612 *data = i40e_diag_eeprom_test(&pf->hw); 1613 1614 /* forcebly clear the NVM Update state machine */ 1615 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT; 1616 1617 return *data; 1618 } 1619 1620 static int i40e_intr_test(struct net_device *netdev, u64 *data) 1621 { 1622 struct i40e_netdev_priv *np = netdev_priv(netdev); 1623 struct i40e_pf *pf = np->vsi->back; 1624 u16 swc_old = pf->sw_int_count; 1625 1626 netif_info(pf, hw, netdev, "interrupt test\n"); 1627 wr32(&pf->hw, I40E_PFINT_DYN_CTL0, 1628 (I40E_PFINT_DYN_CTL0_INTENA_MASK | 1629 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK | 1630 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK | 1631 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK | 1632 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK)); 1633 usleep_range(1000, 2000); 1634 *data = (swc_old == pf->sw_int_count); 1635 1636 return *data; 1637 } 1638 1639 static int i40e_loopback_test(struct net_device *netdev, u64 *data) 1640 { 1641 struct i40e_netdev_priv *np = netdev_priv(netdev); 1642 struct i40e_pf *pf = np->vsi->back; 1643 1644 netif_info(pf, hw, netdev, "loopback test not implemented\n"); 1645 *data = 0; 1646 1647 return *data; 1648 } 1649 1650 static inline bool i40e_active_vfs(struct i40e_pf *pf) 1651 { 1652 struct i40e_vf *vfs = pf->vf; 1653 int i; 1654 1655 for (i = 0; i < pf->num_alloc_vfs; i++) 1656 if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states)) 1657 return true; 1658 return false; 1659 } 1660 1661 static inline bool i40e_active_vmdqs(struct i40e_pf *pf) 1662 { 1663 struct i40e_vsi **vsi = pf->vsi; 1664 int i; 1665 1666 for (i = 0; i < pf->num_alloc_vsi; i++) { 1667 if (!vsi[i]) 1668 continue; 1669 if (vsi[i]->type == I40E_VSI_VMDQ2) 1670 return true; 1671 } 1672 1673 return false; 1674 } 1675 1676 static void i40e_diag_test(struct net_device *netdev, 1677 struct ethtool_test *eth_test, u64 *data) 1678 { 1679 struct i40e_netdev_priv *np = netdev_priv(netdev); 1680 bool if_running = netif_running(netdev); 1681 struct i40e_pf *pf = np->vsi->back; 1682 1683 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1684 /* Offline tests */ 1685 netif_info(pf, drv, netdev, "offline testing starting\n"); 1686 1687 set_bit(__I40E_TESTING, &pf->state); 1688 1689 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) { 1690 dev_warn(&pf->pdev->dev, 1691 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 1692 data[I40E_ETH_TEST_REG] = 1; 1693 data[I40E_ETH_TEST_EEPROM] = 1; 1694 data[I40E_ETH_TEST_INTR] = 1; 1695 data[I40E_ETH_TEST_LOOPBACK] = 1; 1696 data[I40E_ETH_TEST_LINK] = 1; 1697 eth_test->flags |= ETH_TEST_FL_FAILED; 1698 clear_bit(__I40E_TESTING, &pf->state); 1699 goto skip_ol_tests; 1700 } 1701 1702 /* If the device is online then take it offline */ 1703 if (if_running) 1704 /* indicate we're in test mode */ 1705 dev_close(netdev); 1706 else 1707 /* This reset does not affect link - if it is 1708 * changed to a type of reset that does affect 1709 * link then the following link test would have 1710 * to be moved to before the reset 1711 */ 1712 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1713 1714 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1715 eth_test->flags |= ETH_TEST_FL_FAILED; 1716 1717 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM])) 1718 eth_test->flags |= ETH_TEST_FL_FAILED; 1719 1720 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR])) 1721 eth_test->flags |= ETH_TEST_FL_FAILED; 1722 1723 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK])) 1724 eth_test->flags |= ETH_TEST_FL_FAILED; 1725 1726 /* run reg test last, a reset is required after it */ 1727 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG])) 1728 eth_test->flags |= ETH_TEST_FL_FAILED; 1729 1730 clear_bit(__I40E_TESTING, &pf->state); 1731 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1732 1733 if (if_running) 1734 dev_open(netdev); 1735 } else { 1736 /* Online tests */ 1737 netif_info(pf, drv, netdev, "online testing starting\n"); 1738 1739 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1740 eth_test->flags |= ETH_TEST_FL_FAILED; 1741 1742 /* Offline only tests, not run in online; pass by default */ 1743 data[I40E_ETH_TEST_REG] = 0; 1744 data[I40E_ETH_TEST_EEPROM] = 0; 1745 data[I40E_ETH_TEST_INTR] = 0; 1746 data[I40E_ETH_TEST_LOOPBACK] = 0; 1747 } 1748 1749 skip_ol_tests: 1750 1751 netif_info(pf, drv, netdev, "testing finished\n"); 1752 } 1753 1754 static void i40e_get_wol(struct net_device *netdev, 1755 struct ethtool_wolinfo *wol) 1756 { 1757 struct i40e_netdev_priv *np = netdev_priv(netdev); 1758 struct i40e_pf *pf = np->vsi->back; 1759 struct i40e_hw *hw = &pf->hw; 1760 u16 wol_nvm_bits; 1761 1762 /* NVM bit on means WoL disabled for the port */ 1763 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1764 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) { 1765 wol->supported = 0; 1766 wol->wolopts = 0; 1767 } else { 1768 wol->supported = WAKE_MAGIC; 1769 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0); 1770 } 1771 } 1772 1773 /** 1774 * i40e_set_wol - set the WakeOnLAN configuration 1775 * @netdev: the netdev in question 1776 * @wol: the ethtool WoL setting data 1777 **/ 1778 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1779 { 1780 struct i40e_netdev_priv *np = netdev_priv(netdev); 1781 struct i40e_pf *pf = np->vsi->back; 1782 struct i40e_vsi *vsi = np->vsi; 1783 struct i40e_hw *hw = &pf->hw; 1784 u16 wol_nvm_bits; 1785 1786 /* WoL not supported if this isn't the controlling PF on the port */ 1787 if (hw->partition_id != 1) { 1788 i40e_partition_setting_complaint(pf); 1789 return -EOPNOTSUPP; 1790 } 1791 1792 if (vsi != pf->vsi[pf->lan_vsi]) 1793 return -EOPNOTSUPP; 1794 1795 /* NVM bit on means WoL disabled for the port */ 1796 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1797 if (BIT(hw->port) & wol_nvm_bits) 1798 return -EOPNOTSUPP; 1799 1800 /* only magic packet is supported */ 1801 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC)) 1802 return -EOPNOTSUPP; 1803 1804 /* is this a new value? */ 1805 if (pf->wol_en != !!wol->wolopts) { 1806 pf->wol_en = !!wol->wolopts; 1807 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en); 1808 } 1809 1810 return 0; 1811 } 1812 1813 static int i40e_set_phys_id(struct net_device *netdev, 1814 enum ethtool_phys_id_state state) 1815 { 1816 struct i40e_netdev_priv *np = netdev_priv(netdev); 1817 struct i40e_pf *pf = np->vsi->back; 1818 struct i40e_hw *hw = &pf->hw; 1819 int blink_freq = 2; 1820 1821 switch (state) { 1822 case ETHTOOL_ID_ACTIVE: 1823 pf->led_status = i40e_led_get(hw); 1824 return blink_freq; 1825 case ETHTOOL_ID_ON: 1826 i40e_led_set(hw, 0xF, false); 1827 break; 1828 case ETHTOOL_ID_OFF: 1829 i40e_led_set(hw, 0x0, false); 1830 break; 1831 case ETHTOOL_ID_INACTIVE: 1832 i40e_led_set(hw, pf->led_status, false); 1833 break; 1834 default: 1835 break; 1836 } 1837 1838 return 0; 1839 } 1840 1841 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt 1842 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also 1843 * 125us (8000 interrupts per second) == ITR(62) 1844 */ 1845 1846 static int i40e_get_coalesce(struct net_device *netdev, 1847 struct ethtool_coalesce *ec) 1848 { 1849 struct i40e_netdev_priv *np = netdev_priv(netdev); 1850 struct i40e_vsi *vsi = np->vsi; 1851 1852 ec->tx_max_coalesced_frames_irq = vsi->work_limit; 1853 ec->rx_max_coalesced_frames_irq = vsi->work_limit; 1854 1855 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting)) 1856 ec->use_adaptive_rx_coalesce = 1; 1857 1858 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting)) 1859 ec->use_adaptive_tx_coalesce = 1; 1860 1861 ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC; 1862 ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC; 1863 /* we use the _usecs_high to store/set the interrupt rate limit 1864 * that the hardware supports, that almost but not quite 1865 * fits the original intent of the ethtool variable, 1866 * the rx_coalesce_usecs_high limits total interrupts 1867 * per second from both tx/rx sources. 1868 */ 1869 ec->rx_coalesce_usecs_high = vsi->int_rate_limit; 1870 ec->tx_coalesce_usecs_high = vsi->int_rate_limit; 1871 1872 return 0; 1873 } 1874 1875 static int i40e_set_coalesce(struct net_device *netdev, 1876 struct ethtool_coalesce *ec) 1877 { 1878 struct i40e_netdev_priv *np = netdev_priv(netdev); 1879 struct i40e_q_vector *q_vector; 1880 struct i40e_vsi *vsi = np->vsi; 1881 struct i40e_pf *pf = vsi->back; 1882 struct i40e_hw *hw = &pf->hw; 1883 u16 vector; 1884 int i; 1885 1886 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) 1887 vsi->work_limit = ec->tx_max_coalesced_frames_irq; 1888 1889 /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */ 1890 if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) { 1891 netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n"); 1892 return -EINVAL; 1893 } 1894 1895 if (ec->rx_coalesce_usecs_high >= INTRL_REG_TO_USEC(I40E_MAX_INTRL)) { 1896 netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-235\n"); 1897 return -EINVAL; 1898 } 1899 1900 vector = vsi->base_vector; 1901 if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1902 (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1903 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1904 } else if (ec->rx_coalesce_usecs == 0) { 1905 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1906 if (ec->use_adaptive_rx_coalesce) 1907 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n"); 1908 } else { 1909 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n"); 1910 return -EINVAL; 1911 } 1912 1913 vsi->int_rate_limit = ec->rx_coalesce_usecs_high; 1914 1915 if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1916 (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1917 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1918 } else if (ec->tx_coalesce_usecs == 0) { 1919 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1920 if (ec->use_adaptive_tx_coalesce) 1921 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n"); 1922 } else { 1923 netif_info(pf, drv, netdev, 1924 "Invalid value, tx-usecs range is 0-8160\n"); 1925 return -EINVAL; 1926 } 1927 1928 if (ec->use_adaptive_rx_coalesce) 1929 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC; 1930 else 1931 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC; 1932 1933 if (ec->use_adaptive_tx_coalesce) 1934 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC; 1935 else 1936 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC; 1937 1938 for (i = 0; i < vsi->num_q_vectors; i++, vector++) { 1939 u16 intrl = INTRL_USEC_TO_REG(vsi->int_rate_limit); 1940 1941 q_vector = vsi->q_vectors[i]; 1942 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting); 1943 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr); 1944 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting); 1945 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr); 1946 wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl); 1947 i40e_flush(hw); 1948 } 1949 1950 return 0; 1951 } 1952 1953 /** 1954 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type 1955 * @pf: pointer to the physical function struct 1956 * @cmd: ethtool rxnfc command 1957 * 1958 * Returns Success if the flow is supported, else Invalid Input. 1959 **/ 1960 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd) 1961 { 1962 cmd->data = 0; 1963 1964 if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) { 1965 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data; 1966 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type; 1967 return 0; 1968 } 1969 /* Report default options for RSS on i40e */ 1970 switch (cmd->flow_type) { 1971 case TCP_V4_FLOW: 1972 case UDP_V4_FLOW: 1973 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1974 /* fall through to add IP fields */ 1975 case SCTP_V4_FLOW: 1976 case AH_ESP_V4_FLOW: 1977 case AH_V4_FLOW: 1978 case ESP_V4_FLOW: 1979 case IPV4_FLOW: 1980 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1981 break; 1982 case TCP_V6_FLOW: 1983 case UDP_V6_FLOW: 1984 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1985 /* fall through to add IP fields */ 1986 case SCTP_V6_FLOW: 1987 case AH_ESP_V6_FLOW: 1988 case AH_V6_FLOW: 1989 case ESP_V6_FLOW: 1990 case IPV6_FLOW: 1991 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1992 break; 1993 default: 1994 return -EINVAL; 1995 } 1996 1997 return 0; 1998 } 1999 2000 /** 2001 * i40e_get_ethtool_fdir_all - Populates the rule count of a command 2002 * @pf: Pointer to the physical function struct 2003 * @cmd: The command to get or set Rx flow classification rules 2004 * @rule_locs: Array of used rule locations 2005 * 2006 * This function populates both the total and actual rule count of 2007 * the ethtool flow classification command 2008 * 2009 * Returns 0 on success or -EMSGSIZE if entry not found 2010 **/ 2011 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf, 2012 struct ethtool_rxnfc *cmd, 2013 u32 *rule_locs) 2014 { 2015 struct i40e_fdir_filter *rule; 2016 struct hlist_node *node2; 2017 int cnt = 0; 2018 2019 /* report total rule count */ 2020 cmd->data = i40e_get_fd_cnt_all(pf); 2021 2022 hlist_for_each_entry_safe(rule, node2, 2023 &pf->fdir_filter_list, fdir_node) { 2024 if (cnt == cmd->rule_cnt) 2025 return -EMSGSIZE; 2026 2027 rule_locs[cnt] = rule->fd_id; 2028 cnt++; 2029 } 2030 2031 cmd->rule_cnt = cnt; 2032 2033 return 0; 2034 } 2035 2036 /** 2037 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow 2038 * @pf: Pointer to the physical function struct 2039 * @cmd: The command to get or set Rx flow classification rules 2040 * 2041 * This function looks up a filter based on the Rx flow classification 2042 * command and fills the flow spec info for it if found 2043 * 2044 * Returns 0 on success or -EINVAL if filter not found 2045 **/ 2046 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf, 2047 struct ethtool_rxnfc *cmd) 2048 { 2049 struct ethtool_rx_flow_spec *fsp = 2050 (struct ethtool_rx_flow_spec *)&cmd->fs; 2051 struct i40e_fdir_filter *rule = NULL; 2052 struct hlist_node *node2; 2053 2054 hlist_for_each_entry_safe(rule, node2, 2055 &pf->fdir_filter_list, fdir_node) { 2056 if (fsp->location <= rule->fd_id) 2057 break; 2058 } 2059 2060 if (!rule || fsp->location != rule->fd_id) 2061 return -EINVAL; 2062 2063 fsp->flow_type = rule->flow_type; 2064 if (fsp->flow_type == IP_USER_FLOW) { 2065 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; 2066 fsp->h_u.usr_ip4_spec.proto = 0; 2067 fsp->m_u.usr_ip4_spec.proto = 0; 2068 } 2069 2070 /* Reverse the src and dest notion, since the HW views them from 2071 * Tx perspective where as the user expects it from Rx filter view. 2072 */ 2073 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port; 2074 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port; 2075 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0]; 2076 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0]; 2077 2078 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET) 2079 fsp->ring_cookie = RX_CLS_FLOW_DISC; 2080 else 2081 fsp->ring_cookie = rule->q_index; 2082 2083 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) { 2084 struct i40e_vsi *vsi; 2085 2086 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi); 2087 if (vsi && vsi->type == I40E_VSI_SRIOV) { 2088 fsp->h_ext.data[1] = htonl(vsi->vf_id); 2089 fsp->m_ext.data[1] = htonl(0x1); 2090 } 2091 } 2092 2093 return 0; 2094 } 2095 2096 /** 2097 * i40e_get_rxnfc - command to get RX flow classification rules 2098 * @netdev: network interface device structure 2099 * @cmd: ethtool rxnfc command 2100 * 2101 * Returns Success if the command is supported. 2102 **/ 2103 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2104 u32 *rule_locs) 2105 { 2106 struct i40e_netdev_priv *np = netdev_priv(netdev); 2107 struct i40e_vsi *vsi = np->vsi; 2108 struct i40e_pf *pf = vsi->back; 2109 int ret = -EOPNOTSUPP; 2110 2111 switch (cmd->cmd) { 2112 case ETHTOOL_GRXRINGS: 2113 cmd->data = vsi->alloc_queue_pairs; 2114 ret = 0; 2115 break; 2116 case ETHTOOL_GRXFH: 2117 ret = i40e_get_rss_hash_opts(pf, cmd); 2118 break; 2119 case ETHTOOL_GRXCLSRLCNT: 2120 cmd->rule_cnt = pf->fdir_pf_active_filters; 2121 /* report total rule count */ 2122 cmd->data = i40e_get_fd_cnt_all(pf); 2123 ret = 0; 2124 break; 2125 case ETHTOOL_GRXCLSRULE: 2126 ret = i40e_get_ethtool_fdir_entry(pf, cmd); 2127 break; 2128 case ETHTOOL_GRXCLSRLALL: 2129 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs); 2130 break; 2131 default: 2132 break; 2133 } 2134 2135 return ret; 2136 } 2137 2138 /** 2139 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2140 * @pf: pointer to the physical function struct 2141 * @cmd: ethtool rxnfc command 2142 * 2143 * Returns Success if the flow input set is supported. 2144 **/ 2145 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc) 2146 { 2147 struct i40e_hw *hw = &pf->hw; 2148 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) | 2149 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32); 2150 2151 /* RSS does not support anything other than hashing 2152 * to queues on src and dst IPs and ports 2153 */ 2154 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | 2155 RXH_L4_B_0_1 | RXH_L4_B_2_3)) 2156 return -EINVAL; 2157 2158 /* We need at least the IP SRC and DEST fields for hashing */ 2159 if (!(nfc->data & RXH_IP_SRC) || 2160 !(nfc->data & RXH_IP_DST)) 2161 return -EINVAL; 2162 2163 switch (nfc->flow_type) { 2164 case TCP_V4_FLOW: 2165 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2166 case 0: 2167 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 2168 break; 2169 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2170 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 2171 break; 2172 default: 2173 return -EINVAL; 2174 } 2175 break; 2176 case TCP_V6_FLOW: 2177 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2178 case 0: 2179 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 2180 break; 2181 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2182 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 2183 break; 2184 default: 2185 return -EINVAL; 2186 } 2187 break; 2188 case UDP_V4_FLOW: 2189 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2190 case 0: 2191 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 2192 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4)); 2193 break; 2194 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2195 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 2196 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4)); 2197 break; 2198 default: 2199 return -EINVAL; 2200 } 2201 break; 2202 case UDP_V6_FLOW: 2203 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2204 case 0: 2205 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 2206 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6)); 2207 break; 2208 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2209 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 2210 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6)); 2211 break; 2212 default: 2213 return -EINVAL; 2214 } 2215 break; 2216 case AH_ESP_V4_FLOW: 2217 case AH_V4_FLOW: 2218 case ESP_V4_FLOW: 2219 case SCTP_V4_FLOW: 2220 if ((nfc->data & RXH_L4_B_0_1) || 2221 (nfc->data & RXH_L4_B_2_3)) 2222 return -EINVAL; 2223 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER); 2224 break; 2225 case AH_ESP_V6_FLOW: 2226 case AH_V6_FLOW: 2227 case ESP_V6_FLOW: 2228 case SCTP_V6_FLOW: 2229 if ((nfc->data & RXH_L4_B_0_1) || 2230 (nfc->data & RXH_L4_B_2_3)) 2231 return -EINVAL; 2232 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER); 2233 break; 2234 case IPV4_FLOW: 2235 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) | 2236 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4); 2237 break; 2238 case IPV6_FLOW: 2239 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) | 2240 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6); 2241 break; 2242 default: 2243 return -EINVAL; 2244 } 2245 2246 wr32(hw, I40E_PFQF_HENA(0), (u32)hena); 2247 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32)); 2248 i40e_flush(hw); 2249 2250 /* Save setting for future output/update */ 2251 pf->vsi[pf->lan_vsi]->rxnfc = *nfc; 2252 2253 return 0; 2254 } 2255 2256 /** 2257 * i40e_match_fdir_input_set - Match a new filter against an existing one 2258 * @rule: The filter already added 2259 * @input: The new filter to comapre against 2260 * 2261 * Returns true if the two input set match 2262 **/ 2263 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule, 2264 struct i40e_fdir_filter *input) 2265 { 2266 if ((rule->dst_ip[0] != input->dst_ip[0]) || 2267 (rule->src_ip[0] != input->src_ip[0]) || 2268 (rule->dst_port != input->dst_port) || 2269 (rule->src_port != input->src_port)) 2270 return false; 2271 return true; 2272 } 2273 2274 /** 2275 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry 2276 * @vsi: Pointer to the targeted VSI 2277 * @input: The filter to update or NULL to indicate deletion 2278 * @sw_idx: Software index to the filter 2279 * @cmd: The command to get or set Rx flow classification rules 2280 * 2281 * This function updates (or deletes) a Flow Director entry from 2282 * the hlist of the corresponding PF 2283 * 2284 * Returns 0 on success 2285 **/ 2286 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi, 2287 struct i40e_fdir_filter *input, 2288 u16 sw_idx, 2289 struct ethtool_rxnfc *cmd) 2290 { 2291 struct i40e_fdir_filter *rule, *parent; 2292 struct i40e_pf *pf = vsi->back; 2293 struct hlist_node *node2; 2294 int err = -EINVAL; 2295 2296 parent = NULL; 2297 rule = NULL; 2298 2299 hlist_for_each_entry_safe(rule, node2, 2300 &pf->fdir_filter_list, fdir_node) { 2301 /* hash found, or no matching entry */ 2302 if (rule->fd_id >= sw_idx) 2303 break; 2304 parent = rule; 2305 } 2306 2307 /* if there is an old rule occupying our place remove it */ 2308 if (rule && (rule->fd_id == sw_idx)) { 2309 if (input && !i40e_match_fdir_input_set(rule, input)) 2310 err = i40e_add_del_fdir(vsi, rule, false); 2311 else if (!input) 2312 err = i40e_add_del_fdir(vsi, rule, false); 2313 hlist_del(&rule->fdir_node); 2314 kfree(rule); 2315 pf->fdir_pf_active_filters--; 2316 } 2317 2318 /* If no input this was a delete, err should be 0 if a rule was 2319 * successfully found and removed from the list else -EINVAL 2320 */ 2321 if (!input) 2322 return err; 2323 2324 /* initialize node and set software index */ 2325 INIT_HLIST_NODE(&input->fdir_node); 2326 2327 /* add filter to the list */ 2328 if (parent) 2329 hlist_add_behind(&input->fdir_node, &parent->fdir_node); 2330 else 2331 hlist_add_head(&input->fdir_node, 2332 &pf->fdir_filter_list); 2333 2334 /* update counts */ 2335 pf->fdir_pf_active_filters++; 2336 2337 return 0; 2338 } 2339 2340 /** 2341 * i40e_del_fdir_entry - Deletes a Flow Director filter entry 2342 * @vsi: Pointer to the targeted VSI 2343 * @cmd: The command to get or set Rx flow classification rules 2344 * 2345 * The function removes a Flow Director filter entry from the 2346 * hlist of the corresponding PF 2347 * 2348 * Returns 0 on success 2349 */ 2350 static int i40e_del_fdir_entry(struct i40e_vsi *vsi, 2351 struct ethtool_rxnfc *cmd) 2352 { 2353 struct ethtool_rx_flow_spec *fsp = 2354 (struct ethtool_rx_flow_spec *)&cmd->fs; 2355 struct i40e_pf *pf = vsi->back; 2356 int ret = 0; 2357 2358 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2359 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2360 return -EBUSY; 2361 2362 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2363 return -EBUSY; 2364 2365 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd); 2366 2367 i40e_fdir_check_and_reenable(pf); 2368 return ret; 2369 } 2370 2371 /** 2372 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters 2373 * @vsi: pointer to the targeted VSI 2374 * @cmd: command to get or set RX flow classification rules 2375 * 2376 * Add Flow Director filters for a specific flow spec based on their 2377 * protocol. Returns 0 if the filters were successfully added. 2378 **/ 2379 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, 2380 struct ethtool_rxnfc *cmd) 2381 { 2382 struct ethtool_rx_flow_spec *fsp; 2383 struct i40e_fdir_filter *input; 2384 struct i40e_pf *pf; 2385 int ret = -EINVAL; 2386 u16 vf_id; 2387 2388 if (!vsi) 2389 return -EINVAL; 2390 2391 pf = vsi->back; 2392 2393 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 2394 return -EOPNOTSUPP; 2395 2396 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED) 2397 return -ENOSPC; 2398 2399 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2400 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2401 return -EBUSY; 2402 2403 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2404 return -EBUSY; 2405 2406 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs; 2407 2408 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort + 2409 pf->hw.func_caps.fd_filters_guaranteed)) { 2410 return -EINVAL; 2411 } 2412 2413 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) && 2414 (fsp->ring_cookie >= vsi->num_queue_pairs)) 2415 return -EINVAL; 2416 2417 input = kzalloc(sizeof(*input), GFP_KERNEL); 2418 2419 if (!input) 2420 return -ENOMEM; 2421 2422 input->fd_id = fsp->location; 2423 2424 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) 2425 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET; 2426 else 2427 input->dest_ctl = 2428 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX; 2429 2430 input->q_index = fsp->ring_cookie; 2431 input->flex_off = 0; 2432 input->pctype = 0; 2433 input->dest_vsi = vsi->id; 2434 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID; 2435 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id); 2436 input->flow_type = fsp->flow_type; 2437 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto; 2438 2439 /* Reverse the src and dest notion, since the HW expects them to be from 2440 * Tx perspective where as the input from user is from Rx filter view. 2441 */ 2442 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc; 2443 input->src_port = fsp->h_u.tcp_ip4_spec.pdst; 2444 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src; 2445 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst; 2446 2447 if (ntohl(fsp->m_ext.data[1])) { 2448 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) { 2449 netif_info(pf, drv, vsi->netdev, "Invalid VF id\n"); 2450 goto free_input; 2451 } 2452 vf_id = ntohl(fsp->h_ext.data[1]); 2453 /* Find vsi id from vf id and override dest vsi */ 2454 input->dest_vsi = pf->vf[vf_id].lan_vsi_id; 2455 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) { 2456 netif_info(pf, drv, vsi->netdev, "Invalid queue id\n"); 2457 goto free_input; 2458 } 2459 } 2460 2461 ret = i40e_add_del_fdir(vsi, input, true); 2462 free_input: 2463 if (ret) 2464 kfree(input); 2465 else 2466 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL); 2467 2468 return ret; 2469 } 2470 2471 /** 2472 * i40e_set_rxnfc - command to set RX flow classification rules 2473 * @netdev: network interface device structure 2474 * @cmd: ethtool rxnfc command 2475 * 2476 * Returns Success if the command is supported. 2477 **/ 2478 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2479 { 2480 struct i40e_netdev_priv *np = netdev_priv(netdev); 2481 struct i40e_vsi *vsi = np->vsi; 2482 struct i40e_pf *pf = vsi->back; 2483 int ret = -EOPNOTSUPP; 2484 2485 switch (cmd->cmd) { 2486 case ETHTOOL_SRXFH: 2487 ret = i40e_set_rss_hash_opt(pf, cmd); 2488 break; 2489 case ETHTOOL_SRXCLSRLINS: 2490 ret = i40e_add_fdir_ethtool(vsi, cmd); 2491 break; 2492 case ETHTOOL_SRXCLSRLDEL: 2493 ret = i40e_del_fdir_entry(vsi, cmd); 2494 break; 2495 default: 2496 break; 2497 } 2498 2499 return ret; 2500 } 2501 2502 /** 2503 * i40e_max_channels - get Max number of combined channels supported 2504 * @vsi: vsi pointer 2505 **/ 2506 static unsigned int i40e_max_channels(struct i40e_vsi *vsi) 2507 { 2508 /* TODO: This code assumes DCB and FD is disabled for now. */ 2509 return vsi->alloc_queue_pairs; 2510 } 2511 2512 /** 2513 * i40e_get_channels - Get the current channels enabled and max supported etc. 2514 * @netdev: network interface device structure 2515 * @ch: ethtool channels structure 2516 * 2517 * We don't support separate tx and rx queues as channels. The other count 2518 * represents how many queues are being used for control. max_combined counts 2519 * how many queue pairs we can support. They may not be mapped 1 to 1 with 2520 * q_vectors since we support a lot more queue pairs than q_vectors. 2521 **/ 2522 static void i40e_get_channels(struct net_device *dev, 2523 struct ethtool_channels *ch) 2524 { 2525 struct i40e_netdev_priv *np = netdev_priv(dev); 2526 struct i40e_vsi *vsi = np->vsi; 2527 struct i40e_pf *pf = vsi->back; 2528 2529 /* report maximum channels */ 2530 ch->max_combined = i40e_max_channels(vsi); 2531 2532 /* report info for other vector */ 2533 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0; 2534 ch->max_other = ch->other_count; 2535 2536 /* Note: This code assumes DCB is disabled for now. */ 2537 ch->combined_count = vsi->num_queue_pairs; 2538 } 2539 2540 /** 2541 * i40e_set_channels - Set the new channels count. 2542 * @netdev: network interface device structure 2543 * @ch: ethtool channels structure 2544 * 2545 * The new channels count may not be the same as requested by the user 2546 * since it gets rounded down to a power of 2 value. 2547 **/ 2548 static int i40e_set_channels(struct net_device *dev, 2549 struct ethtool_channels *ch) 2550 { 2551 struct i40e_netdev_priv *np = netdev_priv(dev); 2552 unsigned int count = ch->combined_count; 2553 struct i40e_vsi *vsi = np->vsi; 2554 struct i40e_pf *pf = vsi->back; 2555 int new_count; 2556 2557 /* We do not support setting channels for any other VSI at present */ 2558 if (vsi->type != I40E_VSI_MAIN) 2559 return -EINVAL; 2560 2561 /* verify they are not requesting separate vectors */ 2562 if (!count || ch->rx_count || ch->tx_count) 2563 return -EINVAL; 2564 2565 /* verify other_count has not changed */ 2566 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0)) 2567 return -EINVAL; 2568 2569 /* verify the number of channels does not exceed hardware limits */ 2570 if (count > i40e_max_channels(vsi)) 2571 return -EINVAL; 2572 2573 /* update feature limits from largest to smallest supported values */ 2574 /* TODO: Flow director limit, DCB etc */ 2575 2576 /* use rss_reconfig to rebuild with new queue count and update traffic 2577 * class queue mapping 2578 */ 2579 new_count = i40e_reconfig_rss_queues(pf, count); 2580 if (new_count > 0) 2581 return 0; 2582 else 2583 return -EINVAL; 2584 } 2585 2586 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4) 2587 /** 2588 * i40e_get_rxfh_key_size - get the RSS hash key size 2589 * @netdev: network interface device structure 2590 * 2591 * Returns the table size. 2592 **/ 2593 static u32 i40e_get_rxfh_key_size(struct net_device *netdev) 2594 { 2595 return I40E_HKEY_ARRAY_SIZE; 2596 } 2597 2598 /** 2599 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size 2600 * @netdev: network interface device structure 2601 * 2602 * Returns the table size. 2603 **/ 2604 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev) 2605 { 2606 return I40E_HLUT_ARRAY_SIZE; 2607 } 2608 2609 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, 2610 u8 *hfunc) 2611 { 2612 struct i40e_netdev_priv *np = netdev_priv(netdev); 2613 struct i40e_vsi *vsi = np->vsi; 2614 struct i40e_pf *pf = vsi->back; 2615 struct i40e_hw *hw = &pf->hw; 2616 u32 reg_val; 2617 int i, j; 2618 2619 if (hfunc) 2620 *hfunc = ETH_RSS_HASH_TOP; 2621 2622 if (!indir) 2623 return 0; 2624 2625 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) { 2626 reg_val = rd32(hw, I40E_PFQF_HLUT(i)); 2627 indir[j++] = reg_val & 0xff; 2628 indir[j++] = (reg_val >> 8) & 0xff; 2629 indir[j++] = (reg_val >> 16) & 0xff; 2630 indir[j++] = (reg_val >> 24) & 0xff; 2631 } 2632 2633 if (key) { 2634 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) { 2635 reg_val = rd32(hw, I40E_PFQF_HKEY(i)); 2636 key[j++] = (u8)(reg_val & 0xff); 2637 key[j++] = (u8)((reg_val >> 8) & 0xff); 2638 key[j++] = (u8)((reg_val >> 16) & 0xff); 2639 key[j++] = (u8)((reg_val >> 24) & 0xff); 2640 } 2641 } 2642 return 0; 2643 } 2644 2645 /** 2646 * i40e_set_rxfh - set the rx flow hash indirection table 2647 * @netdev: network interface device structure 2648 * @indir: indirection table 2649 * @key: hash key 2650 * 2651 * Returns -EINVAL if the table specifies an invalid queue id, otherwise 2652 * returns 0 after programming the table. 2653 **/ 2654 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir, 2655 const u8 *key, const u8 hfunc) 2656 { 2657 struct i40e_netdev_priv *np = netdev_priv(netdev); 2658 struct i40e_vsi *vsi = np->vsi; 2659 struct i40e_pf *pf = vsi->back; 2660 struct i40e_hw *hw = &pf->hw; 2661 u32 reg_val; 2662 int i, j; 2663 2664 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 2665 return -EOPNOTSUPP; 2666 2667 if (!indir) 2668 return 0; 2669 2670 for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) { 2671 reg_val = indir[j++]; 2672 reg_val |= indir[j++] << 8; 2673 reg_val |= indir[j++] << 16; 2674 reg_val |= indir[j++] << 24; 2675 wr32(hw, I40E_PFQF_HLUT(i), reg_val); 2676 } 2677 2678 if (key) { 2679 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) { 2680 reg_val = key[j++]; 2681 reg_val |= key[j++] << 8; 2682 reg_val |= key[j++] << 16; 2683 reg_val |= key[j++] << 24; 2684 wr32(hw, I40E_PFQF_HKEY(i), reg_val); 2685 } 2686 } 2687 return 0; 2688 } 2689 2690 /** 2691 * i40e_get_priv_flags - report device private flags 2692 * @dev: network interface device structure 2693 * 2694 * The get string set count and the string set should be matched for each 2695 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings 2696 * array. 2697 * 2698 * Returns a u32 bitmap of flags. 2699 **/ 2700 static u32 i40e_get_priv_flags(struct net_device *dev) 2701 { 2702 struct i40e_netdev_priv *np = netdev_priv(dev); 2703 struct i40e_vsi *vsi = np->vsi; 2704 struct i40e_pf *pf = vsi->back; 2705 u32 ret_flags = 0; 2706 2707 ret_flags |= pf->hw.func_caps.npar_enable ? 2708 I40E_PRIV_FLAGS_NPAR_FLAG : 0; 2709 ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ? 2710 I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0; 2711 ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ? 2712 I40E_PRIV_FLAGS_FD_ATR : 0; 2713 ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ? 2714 I40E_PRIV_FLAGS_VEB_STATS : 0; 2715 2716 return ret_flags; 2717 } 2718 2719 /** 2720 * i40e_set_priv_flags - set private flags 2721 * @dev: network interface device structure 2722 * @flags: bit flags to be set 2723 **/ 2724 static int i40e_set_priv_flags(struct net_device *dev, u32 flags) 2725 { 2726 struct i40e_netdev_priv *np = netdev_priv(dev); 2727 struct i40e_vsi *vsi = np->vsi; 2728 struct i40e_pf *pf = vsi->back; 2729 2730 if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG) 2731 pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED; 2732 else 2733 pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED; 2734 2735 /* allow the user to control the state of the Flow 2736 * Director ATR (Application Targeted Routing) feature 2737 * of the driver 2738 */ 2739 if (flags & I40E_PRIV_FLAGS_FD_ATR) { 2740 pf->flags |= I40E_FLAG_FD_ATR_ENABLED; 2741 } else { 2742 pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED; 2743 pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED; 2744 } 2745 2746 if (flags & I40E_PRIV_FLAGS_VEB_STATS) 2747 pf->flags |= I40E_FLAG_VEB_STATS_ENABLED; 2748 else 2749 pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED; 2750 2751 return 0; 2752 } 2753 2754 static const struct ethtool_ops i40e_ethtool_ops = { 2755 .get_settings = i40e_get_settings, 2756 .set_settings = i40e_set_settings, 2757 .get_drvinfo = i40e_get_drvinfo, 2758 .get_regs_len = i40e_get_regs_len, 2759 .get_regs = i40e_get_regs, 2760 .nway_reset = i40e_nway_reset, 2761 .get_link = ethtool_op_get_link, 2762 .get_wol = i40e_get_wol, 2763 .set_wol = i40e_set_wol, 2764 .set_eeprom = i40e_set_eeprom, 2765 .get_eeprom_len = i40e_get_eeprom_len, 2766 .get_eeprom = i40e_get_eeprom, 2767 .get_ringparam = i40e_get_ringparam, 2768 .set_ringparam = i40e_set_ringparam, 2769 .get_pauseparam = i40e_get_pauseparam, 2770 .set_pauseparam = i40e_set_pauseparam, 2771 .get_msglevel = i40e_get_msglevel, 2772 .set_msglevel = i40e_set_msglevel, 2773 .get_rxnfc = i40e_get_rxnfc, 2774 .set_rxnfc = i40e_set_rxnfc, 2775 .self_test = i40e_diag_test, 2776 .get_strings = i40e_get_strings, 2777 .set_phys_id = i40e_set_phys_id, 2778 .get_sset_count = i40e_get_sset_count, 2779 .get_ethtool_stats = i40e_get_ethtool_stats, 2780 .get_coalesce = i40e_get_coalesce, 2781 .set_coalesce = i40e_set_coalesce, 2782 .get_rxfh_key_size = i40e_get_rxfh_key_size, 2783 .get_rxfh_indir_size = i40e_get_rxfh_indir_size, 2784 .get_rxfh = i40e_get_rxfh, 2785 .set_rxfh = i40e_set_rxfh, 2786 .get_channels = i40e_get_channels, 2787 .set_channels = i40e_set_channels, 2788 .get_ts_info = i40e_get_ts_info, 2789 .get_priv_flags = i40e_get_priv_flags, 2790 .set_priv_flags = i40e_set_priv_flags, 2791 }; 2792 2793 void i40e_set_ethtool_ops(struct net_device *netdev) 2794 { 2795 netdev->ethtool_ops = &i40e_ethtool_ops; 2796 } 2797