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 I40E_VSI_STAT("tx_force_wb", tx_force_wb), 92 }; 93 94 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 95 * but they are separate. This device supports Virtualization, and 96 * as such might have several netdevs supporting VMDq and FCoE going 97 * through a single port. The NETDEV_STATs are for individual netdevs 98 * seen at the top of the stack, and the PF_STATs are for the physical 99 * function at the bottom of the stack hosting those netdevs. 100 * 101 * The PF_STATs are appended to the netdev stats only when ethtool -S 102 * is queried on the base PF netdev, not on the VMDq or FCoE netdev. 103 */ 104 static struct i40e_stats i40e_gstrings_stats[] = { 105 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes), 106 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes), 107 I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast), 108 I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast), 109 I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast), 110 I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast), 111 I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast), 112 I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast), 113 I40E_PF_STAT("tx_errors", stats.eth.tx_errors), 114 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards), 115 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down), 116 I40E_PF_STAT("rx_crc_errors", stats.crc_errors), 117 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes), 118 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults), 119 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults), 120 I40E_PF_STAT("tx_timeout", tx_timeout_count), 121 I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error), 122 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors), 123 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx), 124 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx), 125 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx), 126 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx), 127 I40E_PF_STAT("rx_size_64", stats.rx_size_64), 128 I40E_PF_STAT("rx_size_127", stats.rx_size_127), 129 I40E_PF_STAT("rx_size_255", stats.rx_size_255), 130 I40E_PF_STAT("rx_size_511", stats.rx_size_511), 131 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023), 132 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522), 133 I40E_PF_STAT("rx_size_big", stats.rx_size_big), 134 I40E_PF_STAT("tx_size_64", stats.tx_size_64), 135 I40E_PF_STAT("tx_size_127", stats.tx_size_127), 136 I40E_PF_STAT("tx_size_255", stats.tx_size_255), 137 I40E_PF_STAT("tx_size_511", stats.tx_size_511), 138 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023), 139 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522), 140 I40E_PF_STAT("tx_size_big", stats.tx_size_big), 141 I40E_PF_STAT("rx_undersize", stats.rx_undersize), 142 I40E_PF_STAT("rx_fragments", stats.rx_fragments), 143 I40E_PF_STAT("rx_oversize", stats.rx_oversize), 144 I40E_PF_STAT("rx_jabber", stats.rx_jabber), 145 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests), 146 I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared), 147 I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt), 148 I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match), 149 I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match), 150 I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status), 151 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match), 152 I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status), 153 154 /* LPI stats */ 155 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status), 156 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status), 157 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count), 158 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count), 159 }; 160 161 #ifdef I40E_FCOE 162 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = { 163 I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc), 164 I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped), 165 I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets), 166 I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords), 167 I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count), 168 I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error), 169 I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets), 170 I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords), 171 }; 172 173 #endif /* I40E_FCOE */ 174 #define I40E_QUEUE_STATS_LEN(n) \ 175 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \ 176 * 2 /* Tx and Rx together */ \ 177 * (sizeof(struct i40e_queue_stats) / sizeof(u64))) 178 #define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats) 179 #define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats) 180 #define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats) 181 #ifdef I40E_FCOE 182 #define I40E_FCOE_STATS_LEN ARRAY_SIZE(i40e_gstrings_fcoe_stats) 183 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ 184 I40E_FCOE_STATS_LEN + \ 185 I40E_MISC_STATS_LEN + \ 186 I40E_QUEUE_STATS_LEN((n))) 187 #else 188 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ 189 I40E_MISC_STATS_LEN + \ 190 I40E_QUEUE_STATS_LEN((n))) 191 #endif /* I40E_FCOE */ 192 #define I40E_PFC_STATS_LEN ( \ 193 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \ 194 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \ 195 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \ 196 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \ 197 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \ 198 / sizeof(u64)) 199 #define I40E_VEB_TC_STATS_LEN ( \ 200 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \ 201 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \ 202 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \ 203 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \ 204 / sizeof(u64)) 205 #define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats) 206 #define I40E_VEB_STATS_TOTAL (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN) 207 #define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \ 208 I40E_PFC_STATS_LEN + \ 209 I40E_VSI_STATS_LEN((n))) 210 211 enum i40e_ethtool_test_id { 212 I40E_ETH_TEST_REG = 0, 213 I40E_ETH_TEST_EEPROM, 214 I40E_ETH_TEST_INTR, 215 I40E_ETH_TEST_LOOPBACK, 216 I40E_ETH_TEST_LINK, 217 }; 218 219 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = { 220 "Register test (offline)", 221 "Eeprom test (offline)", 222 "Interrupt test (offline)", 223 "Loopback test (offline)", 224 "Link test (on/offline)" 225 }; 226 227 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN) 228 229 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = { 230 "NPAR", 231 "LinkPolling", 232 "flow-director-atr", 233 "veb-stats", 234 "packet-split", 235 }; 236 237 #define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings) 238 239 /** 240 * i40e_partition_setting_complaint - generic complaint for MFP restriction 241 * @pf: the PF struct 242 **/ 243 static void i40e_partition_setting_complaint(struct i40e_pf *pf) 244 { 245 dev_info(&pf->pdev->dev, 246 "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"); 247 } 248 249 /** 250 * i40e_get_settings_link_up - Get the Link settings for when link is up 251 * @hw: hw structure 252 * @ecmd: ethtool command to fill in 253 * @netdev: network interface device structure 254 * 255 **/ 256 static void i40e_get_settings_link_up(struct i40e_hw *hw, 257 struct ethtool_cmd *ecmd, 258 struct net_device *netdev, 259 struct i40e_pf *pf) 260 { 261 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 262 u32 link_speed = hw_link_info->link_speed; 263 264 /* Initialize supported and advertised settings based on phy settings */ 265 switch (hw_link_info->phy_type) { 266 case I40E_PHY_TYPE_40GBASE_CR4: 267 case I40E_PHY_TYPE_40GBASE_CR4_CU: 268 ecmd->supported = SUPPORTED_Autoneg | 269 SUPPORTED_40000baseCR4_Full; 270 ecmd->advertising = ADVERTISED_Autoneg | 271 ADVERTISED_40000baseCR4_Full; 272 break; 273 case I40E_PHY_TYPE_XLAUI: 274 case I40E_PHY_TYPE_XLPPI: 275 case I40E_PHY_TYPE_40GBASE_AOC: 276 ecmd->supported = SUPPORTED_40000baseCR4_Full; 277 break; 278 case I40E_PHY_TYPE_40GBASE_SR4: 279 ecmd->supported = SUPPORTED_40000baseSR4_Full; 280 break; 281 case I40E_PHY_TYPE_40GBASE_LR4: 282 ecmd->supported = SUPPORTED_40000baseLR4_Full; 283 break; 284 case I40E_PHY_TYPE_10GBASE_SR: 285 case I40E_PHY_TYPE_10GBASE_LR: 286 case I40E_PHY_TYPE_1000BASE_SX: 287 case I40E_PHY_TYPE_1000BASE_LX: 288 ecmd->supported = SUPPORTED_10000baseT_Full; 289 if (hw_link_info->module_type[2] & 290 I40E_MODULE_TYPE_1000BASE_SX || 291 hw_link_info->module_type[2] & 292 I40E_MODULE_TYPE_1000BASE_LX) { 293 ecmd->supported |= SUPPORTED_1000baseT_Full; 294 if (hw_link_info->requested_speeds & 295 I40E_LINK_SPEED_1GB) 296 ecmd->advertising |= ADVERTISED_1000baseT_Full; 297 } 298 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 299 ecmd->advertising |= ADVERTISED_10000baseT_Full; 300 break; 301 case I40E_PHY_TYPE_10GBASE_T: 302 case I40E_PHY_TYPE_1000BASE_T: 303 ecmd->supported = SUPPORTED_Autoneg | 304 SUPPORTED_10000baseT_Full | 305 SUPPORTED_1000baseT_Full; 306 ecmd->advertising = ADVERTISED_Autoneg; 307 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 308 ecmd->advertising |= ADVERTISED_10000baseT_Full; 309 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 310 ecmd->advertising |= ADVERTISED_1000baseT_Full; 311 break; 312 case I40E_PHY_TYPE_1000BASE_T_OPTICAL: 313 ecmd->supported = SUPPORTED_Autoneg | 314 SUPPORTED_1000baseT_Full; 315 ecmd->advertising = ADVERTISED_Autoneg | 316 ADVERTISED_1000baseT_Full; 317 break; 318 case I40E_PHY_TYPE_100BASE_TX: 319 ecmd->supported = SUPPORTED_Autoneg | 320 SUPPORTED_100baseT_Full; 321 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 322 ecmd->advertising |= ADVERTISED_100baseT_Full; 323 break; 324 case I40E_PHY_TYPE_10GBASE_CR1_CU: 325 case I40E_PHY_TYPE_10GBASE_CR1: 326 ecmd->supported = SUPPORTED_Autoneg | 327 SUPPORTED_10000baseT_Full; 328 ecmd->advertising = ADVERTISED_Autoneg | 329 ADVERTISED_10000baseT_Full; 330 break; 331 case I40E_PHY_TYPE_XAUI: 332 case I40E_PHY_TYPE_XFI: 333 case I40E_PHY_TYPE_SFI: 334 case I40E_PHY_TYPE_10GBASE_SFPP_CU: 335 case I40E_PHY_TYPE_10GBASE_AOC: 336 ecmd->supported = SUPPORTED_10000baseT_Full; 337 break; 338 case I40E_PHY_TYPE_SGMII: 339 ecmd->supported = SUPPORTED_Autoneg | 340 SUPPORTED_1000baseT_Full; 341 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 342 ecmd->advertising |= ADVERTISED_1000baseT_Full; 343 if (pf->hw.mac.type == I40E_MAC_X722) { 344 ecmd->supported |= SUPPORTED_100baseT_Full; 345 if (hw_link_info->requested_speeds & 346 I40E_LINK_SPEED_100MB) 347 ecmd->advertising |= ADVERTISED_100baseT_Full; 348 } 349 break; 350 /* Backplane is set based on supported phy types in get_settings 351 * so don't set anything here but don't warn either 352 */ 353 case I40E_PHY_TYPE_40GBASE_KR4: 354 case I40E_PHY_TYPE_20GBASE_KR2: 355 case I40E_PHY_TYPE_10GBASE_KR: 356 case I40E_PHY_TYPE_10GBASE_KX4: 357 case I40E_PHY_TYPE_1000BASE_KX: 358 break; 359 default: 360 /* if we got here and link is up something bad is afoot */ 361 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n", 362 hw_link_info->phy_type); 363 } 364 365 /* Set speed and duplex */ 366 switch (link_speed) { 367 case I40E_LINK_SPEED_40GB: 368 ethtool_cmd_speed_set(ecmd, SPEED_40000); 369 break; 370 case I40E_LINK_SPEED_20GB: 371 ethtool_cmd_speed_set(ecmd, SPEED_20000); 372 break; 373 case I40E_LINK_SPEED_10GB: 374 ethtool_cmd_speed_set(ecmd, SPEED_10000); 375 break; 376 case I40E_LINK_SPEED_1GB: 377 ethtool_cmd_speed_set(ecmd, SPEED_1000); 378 break; 379 case I40E_LINK_SPEED_100MB: 380 ethtool_cmd_speed_set(ecmd, SPEED_100); 381 break; 382 default: 383 break; 384 } 385 ecmd->duplex = DUPLEX_FULL; 386 } 387 388 /** 389 * i40e_get_settings_link_down - Get the Link settings for when link is down 390 * @hw: hw structure 391 * @ecmd: ethtool command to fill in 392 * 393 * Reports link settings that can be determined when link is down 394 **/ 395 static void i40e_get_settings_link_down(struct i40e_hw *hw, 396 struct ethtool_cmd *ecmd, 397 struct i40e_pf *pf) 398 { 399 enum i40e_aq_capabilities_phy_type phy_types = hw->phy.phy_types; 400 401 /* link is down and the driver needs to fall back on 402 * supported phy types to figure out what info to display 403 */ 404 ecmd->supported = 0x0; 405 ecmd->advertising = 0x0; 406 if (phy_types & I40E_CAP_PHY_TYPE_SGMII) { 407 ecmd->supported |= SUPPORTED_Autoneg | 408 SUPPORTED_1000baseT_Full; 409 ecmd->advertising |= ADVERTISED_Autoneg | 410 ADVERTISED_1000baseT_Full; 411 if (pf->hw.mac.type == I40E_MAC_X722) { 412 ecmd->supported |= SUPPORTED_100baseT_Full; 413 ecmd->advertising |= ADVERTISED_100baseT_Full; 414 } 415 } 416 if (phy_types & I40E_CAP_PHY_TYPE_XAUI || 417 phy_types & I40E_CAP_PHY_TYPE_XFI || 418 phy_types & I40E_CAP_PHY_TYPE_SFI || 419 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU || 420 phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC) 421 ecmd->supported |= SUPPORTED_10000baseT_Full; 422 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU || 423 phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 || 424 phy_types & I40E_CAP_PHY_TYPE_10GBASE_T || 425 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR || 426 phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) { 427 ecmd->supported |= SUPPORTED_Autoneg | 428 SUPPORTED_10000baseT_Full; 429 ecmd->advertising |= ADVERTISED_Autoneg | 430 ADVERTISED_10000baseT_Full; 431 } 432 if (phy_types & I40E_CAP_PHY_TYPE_XLAUI || 433 phy_types & I40E_CAP_PHY_TYPE_XLPPI || 434 phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC) 435 ecmd->supported |= SUPPORTED_40000baseCR4_Full; 436 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU || 437 phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) { 438 ecmd->supported |= SUPPORTED_Autoneg | 439 SUPPORTED_40000baseCR4_Full; 440 ecmd->advertising |= ADVERTISED_Autoneg | 441 ADVERTISED_40000baseCR4_Full; 442 } 443 if ((phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) && 444 !(phy_types & I40E_CAP_PHY_TYPE_1000BASE_T)) { 445 ecmd->supported |= SUPPORTED_Autoneg | 446 SUPPORTED_100baseT_Full; 447 ecmd->advertising |= ADVERTISED_Autoneg | 448 ADVERTISED_100baseT_Full; 449 } 450 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T || 451 phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX || 452 phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX || 453 phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) { 454 ecmd->supported |= SUPPORTED_Autoneg | 455 SUPPORTED_1000baseT_Full; 456 ecmd->advertising |= ADVERTISED_Autoneg | 457 ADVERTISED_1000baseT_Full; 458 } 459 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4) 460 ecmd->supported |= SUPPORTED_40000baseSR4_Full; 461 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4) 462 ecmd->supported |= SUPPORTED_40000baseLR4_Full; 463 464 /* With no link speed and duplex are unknown */ 465 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN); 466 ecmd->duplex = DUPLEX_UNKNOWN; 467 } 468 469 /** 470 * i40e_get_settings - Get Link Speed and Duplex settings 471 * @netdev: network interface device structure 472 * @ecmd: ethtool command 473 * 474 * Reports speed/duplex settings based on media_type 475 **/ 476 static int i40e_get_settings(struct net_device *netdev, 477 struct ethtool_cmd *ecmd) 478 { 479 struct i40e_netdev_priv *np = netdev_priv(netdev); 480 struct i40e_pf *pf = np->vsi->back; 481 struct i40e_hw *hw = &pf->hw; 482 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 483 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 484 485 if (link_up) 486 i40e_get_settings_link_up(hw, ecmd, netdev, pf); 487 else 488 i40e_get_settings_link_down(hw, ecmd, pf); 489 490 /* Now set the settings that don't rely on link being up/down */ 491 492 /* For backplane, supported and advertised are only reliant on the 493 * phy types the NVM specifies are supported. 494 */ 495 if (hw->device_id == I40E_DEV_ID_KX_B || 496 hw->device_id == I40E_DEV_ID_KX_C || 497 hw->device_id == I40E_DEV_ID_20G_KR2 || 498 hw->device_id == I40E_DEV_ID_20G_KR2_A) { 499 ecmd->supported = SUPPORTED_Autoneg; 500 ecmd->advertising = ADVERTISED_Autoneg; 501 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) { 502 ecmd->supported |= SUPPORTED_40000baseKR4_Full; 503 ecmd->advertising |= ADVERTISED_40000baseKR4_Full; 504 } 505 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) { 506 ecmd->supported |= SUPPORTED_20000baseKR2_Full; 507 ecmd->advertising |= ADVERTISED_20000baseKR2_Full; 508 } 509 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) { 510 ecmd->supported |= SUPPORTED_10000baseKR_Full; 511 ecmd->advertising |= ADVERTISED_10000baseKR_Full; 512 } 513 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) { 514 ecmd->supported |= SUPPORTED_10000baseKX4_Full; 515 ecmd->advertising |= ADVERTISED_10000baseKX4_Full; 516 } 517 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) { 518 ecmd->supported |= SUPPORTED_1000baseKX_Full; 519 ecmd->advertising |= ADVERTISED_1000baseKX_Full; 520 } 521 } 522 523 /* Set autoneg settings */ 524 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 525 AUTONEG_ENABLE : AUTONEG_DISABLE); 526 527 switch (hw->phy.media_type) { 528 case I40E_MEDIA_TYPE_BACKPLANE: 529 ecmd->supported |= SUPPORTED_Autoneg | 530 SUPPORTED_Backplane; 531 ecmd->advertising |= ADVERTISED_Autoneg | 532 ADVERTISED_Backplane; 533 ecmd->port = PORT_NONE; 534 break; 535 case I40E_MEDIA_TYPE_BASET: 536 ecmd->supported |= SUPPORTED_TP; 537 ecmd->advertising |= ADVERTISED_TP; 538 ecmd->port = PORT_TP; 539 break; 540 case I40E_MEDIA_TYPE_DA: 541 case I40E_MEDIA_TYPE_CX4: 542 ecmd->supported |= SUPPORTED_FIBRE; 543 ecmd->advertising |= ADVERTISED_FIBRE; 544 ecmd->port = PORT_DA; 545 break; 546 case I40E_MEDIA_TYPE_FIBER: 547 ecmd->supported |= SUPPORTED_FIBRE; 548 ecmd->port = PORT_FIBRE; 549 break; 550 case I40E_MEDIA_TYPE_UNKNOWN: 551 default: 552 ecmd->port = PORT_OTHER; 553 break; 554 } 555 556 /* Set transceiver */ 557 ecmd->transceiver = XCVR_EXTERNAL; 558 559 /* Set flow control settings */ 560 ecmd->supported |= SUPPORTED_Pause; 561 562 switch (hw->fc.requested_mode) { 563 case I40E_FC_FULL: 564 ecmd->advertising |= ADVERTISED_Pause; 565 break; 566 case I40E_FC_TX_PAUSE: 567 ecmd->advertising |= ADVERTISED_Asym_Pause; 568 break; 569 case I40E_FC_RX_PAUSE: 570 ecmd->advertising |= (ADVERTISED_Pause | 571 ADVERTISED_Asym_Pause); 572 break; 573 default: 574 ecmd->advertising &= ~(ADVERTISED_Pause | 575 ADVERTISED_Asym_Pause); 576 break; 577 } 578 579 return 0; 580 } 581 582 /** 583 * i40e_set_settings - Set Speed and Duplex 584 * @netdev: network interface device structure 585 * @ecmd: ethtool command 586 * 587 * Set speed/duplex per media_types advertised/forced 588 **/ 589 static int i40e_set_settings(struct net_device *netdev, 590 struct ethtool_cmd *ecmd) 591 { 592 struct i40e_netdev_priv *np = netdev_priv(netdev); 593 struct i40e_aq_get_phy_abilities_resp abilities; 594 struct i40e_aq_set_phy_config config; 595 struct i40e_pf *pf = np->vsi->back; 596 struct i40e_vsi *vsi = np->vsi; 597 struct i40e_hw *hw = &pf->hw; 598 struct ethtool_cmd safe_ecmd; 599 i40e_status status = 0; 600 bool change = false; 601 int err = 0; 602 u8 autoneg; 603 u32 advertise; 604 605 /* Changing port settings is not supported if this isn't the 606 * port's controlling PF 607 */ 608 if (hw->partition_id != 1) { 609 i40e_partition_setting_complaint(pf); 610 return -EOPNOTSUPP; 611 } 612 613 if (vsi != pf->vsi[pf->lan_vsi]) 614 return -EOPNOTSUPP; 615 616 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET && 617 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER && 618 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE && 619 hw->phy.link_info.link_info & I40E_AQ_LINK_UP) 620 return -EOPNOTSUPP; 621 622 if (hw->device_id == I40E_DEV_ID_KX_B || 623 hw->device_id == I40E_DEV_ID_KX_C || 624 hw->device_id == I40E_DEV_ID_20G_KR2 || 625 hw->device_id == I40E_DEV_ID_20G_KR2_A) { 626 netdev_info(netdev, "Changing settings is not supported on backplane.\n"); 627 return -EOPNOTSUPP; 628 } 629 630 /* get our own copy of the bits to check against */ 631 memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd)); 632 i40e_get_settings(netdev, &safe_ecmd); 633 634 /* save autoneg and speed out of ecmd */ 635 autoneg = ecmd->autoneg; 636 advertise = ecmd->advertising; 637 638 /* set autoneg and speed back to what they currently are */ 639 ecmd->autoneg = safe_ecmd.autoneg; 640 ecmd->advertising = safe_ecmd.advertising; 641 642 ecmd->cmd = safe_ecmd.cmd; 643 /* If ecmd and safe_ecmd are not the same now, then they are 644 * trying to set something that we do not support 645 */ 646 if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd))) 647 return -EOPNOTSUPP; 648 649 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state)) 650 usleep_range(1000, 2000); 651 652 /* Get the current phy config */ 653 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities, 654 NULL); 655 if (status) 656 return -EAGAIN; 657 658 /* Copy abilities to config in case autoneg is not 659 * set below 660 */ 661 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config)); 662 config.abilities = abilities.abilities; 663 664 /* Check autoneg */ 665 if (autoneg == AUTONEG_ENABLE) { 666 /* If autoneg was not already enabled */ 667 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) { 668 /* If autoneg is not supported, return error */ 669 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) { 670 netdev_info(netdev, "Autoneg not supported on this phy\n"); 671 return -EINVAL; 672 } 673 /* Autoneg is allowed to change */ 674 config.abilities = abilities.abilities | 675 I40E_AQ_PHY_ENABLE_AN; 676 change = true; 677 } 678 } else { 679 /* If autoneg is currently enabled */ 680 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) { 681 /* If autoneg is supported 10GBASE_T is the only PHY 682 * that can disable it, so otherwise return error 683 */ 684 if (safe_ecmd.supported & SUPPORTED_Autoneg && 685 hw->phy.link_info.phy_type != 686 I40E_PHY_TYPE_10GBASE_T) { 687 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 688 return -EINVAL; 689 } 690 /* Autoneg is allowed to change */ 691 config.abilities = abilities.abilities & 692 ~I40E_AQ_PHY_ENABLE_AN; 693 change = true; 694 } 695 } 696 697 if (advertise & ~safe_ecmd.supported) 698 return -EINVAL; 699 700 if (advertise & ADVERTISED_100baseT_Full) 701 config.link_speed |= I40E_LINK_SPEED_100MB; 702 if (advertise & ADVERTISED_1000baseT_Full || 703 advertise & ADVERTISED_1000baseKX_Full) 704 config.link_speed |= I40E_LINK_SPEED_1GB; 705 if (advertise & ADVERTISED_10000baseT_Full || 706 advertise & ADVERTISED_10000baseKX4_Full || 707 advertise & ADVERTISED_10000baseKR_Full) 708 config.link_speed |= I40E_LINK_SPEED_10GB; 709 if (advertise & ADVERTISED_20000baseKR2_Full) 710 config.link_speed |= I40E_LINK_SPEED_20GB; 711 if (advertise & ADVERTISED_40000baseKR4_Full || 712 advertise & ADVERTISED_40000baseCR4_Full || 713 advertise & ADVERTISED_40000baseSR4_Full || 714 advertise & ADVERTISED_40000baseLR4_Full) 715 config.link_speed |= I40E_LINK_SPEED_40GB; 716 717 /* If speed didn't get set, set it to what it currently is. 718 * This is needed because if advertise is 0 (as it is when autoneg 719 * is disabled) then speed won't get set. 720 */ 721 if (!config.link_speed) 722 config.link_speed = abilities.link_speed; 723 724 if (change || (abilities.link_speed != config.link_speed)) { 725 /* copy over the rest of the abilities */ 726 config.phy_type = abilities.phy_type; 727 config.eee_capability = abilities.eee_capability; 728 config.eeer = abilities.eeer_val; 729 config.low_power_ctrl = abilities.d3_lpan; 730 731 /* save the requested speeds */ 732 hw->phy.link_info.requested_speeds = config.link_speed; 733 /* set link and auto negotiation so changes take effect */ 734 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK; 735 /* If link is up put link down */ 736 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) { 737 /* Tell the OS link is going down, the link will go 738 * back up when fw says it is ready asynchronously 739 */ 740 i40e_print_link_message(vsi, false); 741 netif_carrier_off(netdev); 742 netif_tx_stop_all_queues(netdev); 743 } 744 745 /* make the aq call */ 746 status = i40e_aq_set_phy_config(hw, &config, NULL); 747 if (status) { 748 netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n", 749 i40e_stat_str(hw, status), 750 i40e_aq_str(hw, hw->aq.asq_last_status)); 751 return -EAGAIN; 752 } 753 754 status = i40e_update_link_info(hw); 755 if (status) 756 netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n", 757 i40e_stat_str(hw, status), 758 i40e_aq_str(hw, hw->aq.asq_last_status)); 759 760 } else { 761 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 762 } 763 764 return err; 765 } 766 767 static int i40e_nway_reset(struct net_device *netdev) 768 { 769 /* restart autonegotiation */ 770 struct i40e_netdev_priv *np = netdev_priv(netdev); 771 struct i40e_pf *pf = np->vsi->back; 772 struct i40e_hw *hw = &pf->hw; 773 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP; 774 i40e_status ret = 0; 775 776 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL); 777 if (ret) { 778 netdev_info(netdev, "link restart failed, err %s aq_err %s\n", 779 i40e_stat_str(hw, ret), 780 i40e_aq_str(hw, hw->aq.asq_last_status)); 781 return -EIO; 782 } 783 784 return 0; 785 } 786 787 /** 788 * i40e_get_pauseparam - Get Flow Control status 789 * Return tx/rx-pause status 790 **/ 791 static void i40e_get_pauseparam(struct net_device *netdev, 792 struct ethtool_pauseparam *pause) 793 { 794 struct i40e_netdev_priv *np = netdev_priv(netdev); 795 struct i40e_pf *pf = np->vsi->back; 796 struct i40e_hw *hw = &pf->hw; 797 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 798 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 799 800 pause->autoneg = 801 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 802 AUTONEG_ENABLE : AUTONEG_DISABLE); 803 804 /* PFC enabled so report LFC as off */ 805 if (dcbx_cfg->pfc.pfcenable) { 806 pause->rx_pause = 0; 807 pause->tx_pause = 0; 808 return; 809 } 810 811 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) { 812 pause->rx_pause = 1; 813 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) { 814 pause->tx_pause = 1; 815 } else if (hw->fc.current_mode == I40E_FC_FULL) { 816 pause->rx_pause = 1; 817 pause->tx_pause = 1; 818 } 819 } 820 821 /** 822 * i40e_set_pauseparam - Set Flow Control parameter 823 * @netdev: network interface device structure 824 * @pause: return tx/rx flow control status 825 **/ 826 static int i40e_set_pauseparam(struct net_device *netdev, 827 struct ethtool_pauseparam *pause) 828 { 829 struct i40e_netdev_priv *np = netdev_priv(netdev); 830 struct i40e_pf *pf = np->vsi->back; 831 struct i40e_vsi *vsi = np->vsi; 832 struct i40e_hw *hw = &pf->hw; 833 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 834 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 835 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 836 i40e_status status; 837 u8 aq_failures; 838 int err = 0; 839 840 /* Changing the port's flow control is not supported if this isn't the 841 * port's controlling PF 842 */ 843 if (hw->partition_id != 1) { 844 i40e_partition_setting_complaint(pf); 845 return -EOPNOTSUPP; 846 } 847 848 if (vsi != pf->vsi[pf->lan_vsi]) 849 return -EOPNOTSUPP; 850 851 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 852 AUTONEG_ENABLE : AUTONEG_DISABLE)) { 853 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 854 return -EOPNOTSUPP; 855 } 856 857 /* If we have link and don't have autoneg */ 858 if (!test_bit(__I40E_DOWN, &pf->state) && 859 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) { 860 /* Send message that it might not necessarily work*/ 861 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 862 } 863 864 if (dcbx_cfg->pfc.pfcenable) { 865 netdev_info(netdev, 866 "Priority flow control enabled. Cannot set link flow control.\n"); 867 return -EOPNOTSUPP; 868 } 869 870 if (pause->rx_pause && pause->tx_pause) 871 hw->fc.requested_mode = I40E_FC_FULL; 872 else if (pause->rx_pause && !pause->tx_pause) 873 hw->fc.requested_mode = I40E_FC_RX_PAUSE; 874 else if (!pause->rx_pause && pause->tx_pause) 875 hw->fc.requested_mode = I40E_FC_TX_PAUSE; 876 else if (!pause->rx_pause && !pause->tx_pause) 877 hw->fc.requested_mode = I40E_FC_NONE; 878 else 879 return -EINVAL; 880 881 /* Tell the OS link is going down, the link will go back up when fw 882 * says it is ready asynchronously 883 */ 884 i40e_print_link_message(vsi, false); 885 netif_carrier_off(netdev); 886 netif_tx_stop_all_queues(netdev); 887 888 /* Set the fc mode and only restart an if link is up*/ 889 status = i40e_set_fc(hw, &aq_failures, link_up); 890 891 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) { 892 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 893 i40e_stat_str(hw, status), 894 i40e_aq_str(hw, hw->aq.asq_last_status)); 895 err = -EAGAIN; 896 } 897 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) { 898 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 899 i40e_stat_str(hw, status), 900 i40e_aq_str(hw, hw->aq.asq_last_status)); 901 err = -EAGAIN; 902 } 903 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) { 904 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 905 i40e_stat_str(hw, status), 906 i40e_aq_str(hw, hw->aq.asq_last_status)); 907 err = -EAGAIN; 908 } 909 910 if (!test_bit(__I40E_DOWN, &pf->state)) { 911 /* Give it a little more time to try to come back */ 912 msleep(75); 913 if (!test_bit(__I40E_DOWN, &pf->state)) 914 return i40e_nway_reset(netdev); 915 } 916 917 return err; 918 } 919 920 static u32 i40e_get_msglevel(struct net_device *netdev) 921 { 922 struct i40e_netdev_priv *np = netdev_priv(netdev); 923 struct i40e_pf *pf = np->vsi->back; 924 925 return pf->msg_enable; 926 } 927 928 static void i40e_set_msglevel(struct net_device *netdev, u32 data) 929 { 930 struct i40e_netdev_priv *np = netdev_priv(netdev); 931 struct i40e_pf *pf = np->vsi->back; 932 933 if (I40E_DEBUG_USER & data) 934 pf->hw.debug_mask = data; 935 pf->msg_enable = data; 936 } 937 938 static int i40e_get_regs_len(struct net_device *netdev) 939 { 940 int reg_count = 0; 941 int i; 942 943 for (i = 0; i40e_reg_list[i].offset != 0; i++) 944 reg_count += i40e_reg_list[i].elements; 945 946 return reg_count * sizeof(u32); 947 } 948 949 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs, 950 void *p) 951 { 952 struct i40e_netdev_priv *np = netdev_priv(netdev); 953 struct i40e_pf *pf = np->vsi->back; 954 struct i40e_hw *hw = &pf->hw; 955 u32 *reg_buf = p; 956 int i, j, ri; 957 u32 reg; 958 959 /* Tell ethtool which driver-version-specific regs output we have. 960 * 961 * At some point, if we have ethtool doing special formatting of 962 * this data, it will rely on this version number to know how to 963 * interpret things. Hence, this needs to be updated if/when the 964 * diags register table is changed. 965 */ 966 regs->version = 1; 967 968 /* loop through the diags reg table for what to print */ 969 ri = 0; 970 for (i = 0; i40e_reg_list[i].offset != 0; i++) { 971 for (j = 0; j < i40e_reg_list[i].elements; j++) { 972 reg = i40e_reg_list[i].offset 973 + (j * i40e_reg_list[i].stride); 974 reg_buf[ri++] = rd32(hw, reg); 975 } 976 } 977 978 } 979 980 static int i40e_get_eeprom(struct net_device *netdev, 981 struct ethtool_eeprom *eeprom, u8 *bytes) 982 { 983 struct i40e_netdev_priv *np = netdev_priv(netdev); 984 struct i40e_hw *hw = &np->vsi->back->hw; 985 struct i40e_pf *pf = np->vsi->back; 986 int ret_val = 0, len, offset; 987 u8 *eeprom_buff; 988 u16 i, sectors; 989 bool last; 990 u32 magic; 991 992 #define I40E_NVM_SECTOR_SIZE 4096 993 if (eeprom->len == 0) 994 return -EINVAL; 995 996 /* check for NVMUpdate access method */ 997 magic = hw->vendor_id | (hw->device_id << 16); 998 if (eeprom->magic && eeprom->magic != magic) { 999 struct i40e_nvm_access *cmd; 1000 int errno; 1001 1002 /* make sure it is the right magic for NVMUpdate */ 1003 if ((eeprom->magic >> 16) != hw->device_id) 1004 return -EINVAL; 1005 1006 cmd = (struct i40e_nvm_access *)eeprom; 1007 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 1008 if (ret_val && (hw->debug_mask & I40E_DEBUG_NVM)) 1009 dev_info(&pf->pdev->dev, 1010 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 1011 ret_val, hw->aq.asq_last_status, errno, 1012 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 1013 cmd->offset, cmd->data_size); 1014 1015 return errno; 1016 } 1017 1018 /* normal ethtool get_eeprom support */ 1019 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 1020 1021 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL); 1022 if (!eeprom_buff) 1023 return -ENOMEM; 1024 1025 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); 1026 if (ret_val) { 1027 dev_info(&pf->pdev->dev, 1028 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1029 ret_val, hw->aq.asq_last_status); 1030 goto free_buff; 1031 } 1032 1033 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE; 1034 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0; 1035 len = I40E_NVM_SECTOR_SIZE; 1036 last = false; 1037 for (i = 0; i < sectors; i++) { 1038 if (i == (sectors - 1)) { 1039 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i); 1040 last = true; 1041 } 1042 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i), 1043 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len, 1044 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i), 1045 last, NULL); 1046 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) { 1047 dev_info(&pf->pdev->dev, 1048 "read NVM failed, invalid offset 0x%x\n", 1049 offset); 1050 break; 1051 } else if (ret_val && 1052 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) { 1053 dev_info(&pf->pdev->dev, 1054 "read NVM failed, access, offset 0x%x\n", 1055 offset); 1056 break; 1057 } else if (ret_val) { 1058 dev_info(&pf->pdev->dev, 1059 "read NVM failed offset %d err=%d status=0x%x\n", 1060 offset, ret_val, hw->aq.asq_last_status); 1061 break; 1062 } 1063 } 1064 1065 i40e_release_nvm(hw); 1066 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len); 1067 free_buff: 1068 kfree(eeprom_buff); 1069 return ret_val; 1070 } 1071 1072 static int i40e_get_eeprom_len(struct net_device *netdev) 1073 { 1074 struct i40e_netdev_priv *np = netdev_priv(netdev); 1075 struct i40e_hw *hw = &np->vsi->back->hw; 1076 u32 val; 1077 1078 val = (rd32(hw, I40E_GLPCI_LBARCTRL) 1079 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK) 1080 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT; 1081 /* register returns value in power of 2, 64Kbyte chunks. */ 1082 val = (64 * 1024) * BIT(val); 1083 return val; 1084 } 1085 1086 static int i40e_set_eeprom(struct net_device *netdev, 1087 struct ethtool_eeprom *eeprom, u8 *bytes) 1088 { 1089 struct i40e_netdev_priv *np = netdev_priv(netdev); 1090 struct i40e_hw *hw = &np->vsi->back->hw; 1091 struct i40e_pf *pf = np->vsi->back; 1092 struct i40e_nvm_access *cmd; 1093 int ret_val = 0; 1094 int errno; 1095 u32 magic; 1096 1097 /* normal ethtool set_eeprom is not supported */ 1098 magic = hw->vendor_id | (hw->device_id << 16); 1099 if (eeprom->magic == magic) 1100 return -EOPNOTSUPP; 1101 1102 /* check for NVMUpdate access method */ 1103 if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id) 1104 return -EINVAL; 1105 1106 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 1107 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 1108 return -EBUSY; 1109 1110 cmd = (struct i40e_nvm_access *)eeprom; 1111 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 1112 if (ret_val && (hw->debug_mask & I40E_DEBUG_NVM)) 1113 dev_info(&pf->pdev->dev, 1114 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 1115 ret_val, hw->aq.asq_last_status, errno, 1116 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 1117 cmd->offset, cmd->data_size); 1118 1119 return errno; 1120 } 1121 1122 static void i40e_get_drvinfo(struct net_device *netdev, 1123 struct ethtool_drvinfo *drvinfo) 1124 { 1125 struct i40e_netdev_priv *np = netdev_priv(netdev); 1126 struct i40e_vsi *vsi = np->vsi; 1127 struct i40e_pf *pf = vsi->back; 1128 1129 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver)); 1130 strlcpy(drvinfo->version, i40e_driver_version_str, 1131 sizeof(drvinfo->version)); 1132 strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw), 1133 sizeof(drvinfo->fw_version)); 1134 strlcpy(drvinfo->bus_info, pci_name(pf->pdev), 1135 sizeof(drvinfo->bus_info)); 1136 } 1137 1138 static void i40e_get_ringparam(struct net_device *netdev, 1139 struct ethtool_ringparam *ring) 1140 { 1141 struct i40e_netdev_priv *np = netdev_priv(netdev); 1142 struct i40e_pf *pf = np->vsi->back; 1143 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; 1144 1145 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1146 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1147 ring->rx_mini_max_pending = 0; 1148 ring->rx_jumbo_max_pending = 0; 1149 ring->rx_pending = vsi->rx_rings[0]->count; 1150 ring->tx_pending = vsi->tx_rings[0]->count; 1151 ring->rx_mini_pending = 0; 1152 ring->rx_jumbo_pending = 0; 1153 } 1154 1155 static int i40e_set_ringparam(struct net_device *netdev, 1156 struct ethtool_ringparam *ring) 1157 { 1158 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL; 1159 struct i40e_netdev_priv *np = netdev_priv(netdev); 1160 struct i40e_vsi *vsi = np->vsi; 1161 struct i40e_pf *pf = vsi->back; 1162 u32 new_rx_count, new_tx_count; 1163 int i, err = 0; 1164 1165 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 1166 return -EINVAL; 1167 1168 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS || 1169 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS || 1170 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS || 1171 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) { 1172 netdev_info(netdev, 1173 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n", 1174 ring->tx_pending, ring->rx_pending, 1175 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS); 1176 return -EINVAL; 1177 } 1178 1179 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1180 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1181 1182 /* if nothing to do return success */ 1183 if ((new_tx_count == vsi->tx_rings[0]->count) && 1184 (new_rx_count == vsi->rx_rings[0]->count)) 1185 return 0; 1186 1187 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state)) 1188 usleep_range(1000, 2000); 1189 1190 if (!netif_running(vsi->netdev)) { 1191 /* simple case - set for the next time the netdev is started */ 1192 for (i = 0; i < vsi->num_queue_pairs; i++) { 1193 vsi->tx_rings[i]->count = new_tx_count; 1194 vsi->rx_rings[i]->count = new_rx_count; 1195 } 1196 goto done; 1197 } 1198 1199 /* We can't just free everything and then setup again, 1200 * because the ISRs in MSI-X mode get passed pointers 1201 * to the Tx and Rx ring structs. 1202 */ 1203 1204 /* alloc updated Tx resources */ 1205 if (new_tx_count != vsi->tx_rings[0]->count) { 1206 netdev_info(netdev, 1207 "Changing Tx descriptor count from %d to %d.\n", 1208 vsi->tx_rings[0]->count, new_tx_count); 1209 tx_rings = kcalloc(vsi->alloc_queue_pairs, 1210 sizeof(struct i40e_ring), GFP_KERNEL); 1211 if (!tx_rings) { 1212 err = -ENOMEM; 1213 goto done; 1214 } 1215 1216 for (i = 0; i < vsi->num_queue_pairs; i++) { 1217 /* clone ring and setup updated count */ 1218 tx_rings[i] = *vsi->tx_rings[i]; 1219 tx_rings[i].count = new_tx_count; 1220 /* the desc and bi pointers will be reallocated in the 1221 * setup call 1222 */ 1223 tx_rings[i].desc = NULL; 1224 tx_rings[i].rx_bi = NULL; 1225 err = i40e_setup_tx_descriptors(&tx_rings[i]); 1226 if (err) { 1227 while (i) { 1228 i--; 1229 i40e_free_tx_resources(&tx_rings[i]); 1230 } 1231 kfree(tx_rings); 1232 tx_rings = NULL; 1233 1234 goto done; 1235 } 1236 } 1237 } 1238 1239 /* alloc updated Rx resources */ 1240 if (new_rx_count != vsi->rx_rings[0]->count) { 1241 netdev_info(netdev, 1242 "Changing Rx descriptor count from %d to %d\n", 1243 vsi->rx_rings[0]->count, new_rx_count); 1244 rx_rings = kcalloc(vsi->alloc_queue_pairs, 1245 sizeof(struct i40e_ring), GFP_KERNEL); 1246 if (!rx_rings) { 1247 err = -ENOMEM; 1248 goto free_tx; 1249 } 1250 1251 for (i = 0; i < vsi->num_queue_pairs; i++) { 1252 /* clone ring and setup updated count */ 1253 rx_rings[i] = *vsi->rx_rings[i]; 1254 rx_rings[i].count = new_rx_count; 1255 /* the desc and bi pointers will be reallocated in the 1256 * setup call 1257 */ 1258 rx_rings[i].desc = NULL; 1259 rx_rings[i].rx_bi = NULL; 1260 err = i40e_setup_rx_descriptors(&rx_rings[i]); 1261 if (err) { 1262 while (i) { 1263 i--; 1264 i40e_free_rx_resources(&rx_rings[i]); 1265 } 1266 kfree(rx_rings); 1267 rx_rings = NULL; 1268 1269 goto free_tx; 1270 } 1271 } 1272 } 1273 1274 /* Bring interface down, copy in the new ring info, 1275 * then restore the interface 1276 */ 1277 i40e_down(vsi); 1278 1279 if (tx_rings) { 1280 for (i = 0; i < vsi->num_queue_pairs; i++) { 1281 i40e_free_tx_resources(vsi->tx_rings[i]); 1282 *vsi->tx_rings[i] = tx_rings[i]; 1283 } 1284 kfree(tx_rings); 1285 tx_rings = NULL; 1286 } 1287 1288 if (rx_rings) { 1289 for (i = 0; i < vsi->num_queue_pairs; i++) { 1290 i40e_free_rx_resources(vsi->rx_rings[i]); 1291 *vsi->rx_rings[i] = rx_rings[i]; 1292 } 1293 kfree(rx_rings); 1294 rx_rings = NULL; 1295 } 1296 1297 i40e_up(vsi); 1298 1299 free_tx: 1300 /* error cleanup if the Rx allocations failed after getting Tx */ 1301 if (tx_rings) { 1302 for (i = 0; i < vsi->num_queue_pairs; i++) 1303 i40e_free_tx_resources(&tx_rings[i]); 1304 kfree(tx_rings); 1305 tx_rings = NULL; 1306 } 1307 1308 done: 1309 clear_bit(__I40E_CONFIG_BUSY, &pf->state); 1310 1311 return err; 1312 } 1313 1314 static int i40e_get_sset_count(struct net_device *netdev, int sset) 1315 { 1316 struct i40e_netdev_priv *np = netdev_priv(netdev); 1317 struct i40e_vsi *vsi = np->vsi; 1318 struct i40e_pf *pf = vsi->back; 1319 1320 switch (sset) { 1321 case ETH_SS_TEST: 1322 return I40E_TEST_LEN; 1323 case ETH_SS_STATS: 1324 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) { 1325 int len = I40E_PF_STATS_LEN(netdev); 1326 1327 if ((pf->lan_veb != I40E_NO_VEB) && 1328 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) 1329 len += I40E_VEB_STATS_TOTAL; 1330 return len; 1331 } else { 1332 return I40E_VSI_STATS_LEN(netdev); 1333 } 1334 case ETH_SS_PRIV_FLAGS: 1335 return I40E_PRIV_FLAGS_STR_LEN; 1336 default: 1337 return -EOPNOTSUPP; 1338 } 1339 } 1340 1341 static void i40e_get_ethtool_stats(struct net_device *netdev, 1342 struct ethtool_stats *stats, u64 *data) 1343 { 1344 struct i40e_netdev_priv *np = netdev_priv(netdev); 1345 struct i40e_ring *tx_ring, *rx_ring; 1346 struct i40e_vsi *vsi = np->vsi; 1347 struct i40e_pf *pf = vsi->back; 1348 int i = 0; 1349 char *p; 1350 int j; 1351 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi); 1352 unsigned int start; 1353 1354 i40e_update_stats(vsi); 1355 1356 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) { 1357 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset; 1358 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat == 1359 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1360 } 1361 for (j = 0; j < I40E_MISC_STATS_LEN; j++) { 1362 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset; 1363 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat == 1364 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1365 } 1366 #ifdef I40E_FCOE 1367 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) { 1368 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset; 1369 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat == 1370 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1371 } 1372 #endif 1373 rcu_read_lock(); 1374 for (j = 0; j < vsi->num_queue_pairs; j++) { 1375 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]); 1376 1377 if (!tx_ring) 1378 continue; 1379 1380 /* process Tx ring statistics */ 1381 do { 1382 start = u64_stats_fetch_begin_irq(&tx_ring->syncp); 1383 data[i] = tx_ring->stats.packets; 1384 data[i + 1] = tx_ring->stats.bytes; 1385 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start)); 1386 i += 2; 1387 1388 /* Rx ring is the 2nd half of the queue pair */ 1389 rx_ring = &tx_ring[1]; 1390 do { 1391 start = u64_stats_fetch_begin_irq(&rx_ring->syncp); 1392 data[i] = rx_ring->stats.packets; 1393 data[i + 1] = rx_ring->stats.bytes; 1394 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start)); 1395 i += 2; 1396 } 1397 rcu_read_unlock(); 1398 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1399 return; 1400 1401 if ((pf->lan_veb != I40E_NO_VEB) && 1402 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 1403 struct i40e_veb *veb = pf->veb[pf->lan_veb]; 1404 1405 for (j = 0; j < I40E_VEB_STATS_LEN; j++) { 1406 p = (char *)veb; 1407 p += i40e_gstrings_veb_stats[j].stat_offset; 1408 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat == 1409 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1410 } 1411 for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) { 1412 data[i++] = veb->tc_stats.tc_tx_packets[j]; 1413 data[i++] = veb->tc_stats.tc_tx_bytes[j]; 1414 data[i++] = veb->tc_stats.tc_rx_packets[j]; 1415 data[i++] = veb->tc_stats.tc_rx_bytes[j]; 1416 } 1417 } 1418 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) { 1419 p = (char *)pf + i40e_gstrings_stats[j].stat_offset; 1420 data[i++] = (i40e_gstrings_stats[j].sizeof_stat == 1421 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1422 } 1423 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1424 data[i++] = pf->stats.priority_xon_tx[j]; 1425 data[i++] = pf->stats.priority_xoff_tx[j]; 1426 } 1427 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1428 data[i++] = pf->stats.priority_xon_rx[j]; 1429 data[i++] = pf->stats.priority_xoff_rx[j]; 1430 } 1431 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) 1432 data[i++] = pf->stats.priority_xon_2_xoff[j]; 1433 } 1434 1435 static void i40e_get_strings(struct net_device *netdev, u32 stringset, 1436 u8 *data) 1437 { 1438 struct i40e_netdev_priv *np = netdev_priv(netdev); 1439 struct i40e_vsi *vsi = np->vsi; 1440 struct i40e_pf *pf = vsi->back; 1441 char *p = (char *)data; 1442 int i; 1443 1444 switch (stringset) { 1445 case ETH_SS_TEST: 1446 for (i = 0; i < I40E_TEST_LEN; i++) { 1447 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN); 1448 data += ETH_GSTRING_LEN; 1449 } 1450 break; 1451 case ETH_SS_STATS: 1452 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) { 1453 snprintf(p, ETH_GSTRING_LEN, "%s", 1454 i40e_gstrings_net_stats[i].stat_string); 1455 p += ETH_GSTRING_LEN; 1456 } 1457 for (i = 0; i < I40E_MISC_STATS_LEN; i++) { 1458 snprintf(p, ETH_GSTRING_LEN, "%s", 1459 i40e_gstrings_misc_stats[i].stat_string); 1460 p += ETH_GSTRING_LEN; 1461 } 1462 #ifdef I40E_FCOE 1463 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) { 1464 snprintf(p, ETH_GSTRING_LEN, "%s", 1465 i40e_gstrings_fcoe_stats[i].stat_string); 1466 p += ETH_GSTRING_LEN; 1467 } 1468 #endif 1469 for (i = 0; i < vsi->num_queue_pairs; i++) { 1470 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i); 1471 p += ETH_GSTRING_LEN; 1472 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i); 1473 p += ETH_GSTRING_LEN; 1474 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i); 1475 p += ETH_GSTRING_LEN; 1476 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i); 1477 p += ETH_GSTRING_LEN; 1478 } 1479 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1480 return; 1481 1482 if ((pf->lan_veb != I40E_NO_VEB) && 1483 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 1484 for (i = 0; i < I40E_VEB_STATS_LEN; i++) { 1485 snprintf(p, ETH_GSTRING_LEN, "veb.%s", 1486 i40e_gstrings_veb_stats[i].stat_string); 1487 p += ETH_GSTRING_LEN; 1488 } 1489 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1490 snprintf(p, ETH_GSTRING_LEN, 1491 "veb.tc_%u_tx_packets", i); 1492 p += ETH_GSTRING_LEN; 1493 snprintf(p, ETH_GSTRING_LEN, 1494 "veb.tc_%u_tx_bytes", i); 1495 p += ETH_GSTRING_LEN; 1496 snprintf(p, ETH_GSTRING_LEN, 1497 "veb.tc_%u_rx_packets", i); 1498 p += ETH_GSTRING_LEN; 1499 snprintf(p, ETH_GSTRING_LEN, 1500 "veb.tc_%u_rx_bytes", i); 1501 p += ETH_GSTRING_LEN; 1502 } 1503 } 1504 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) { 1505 snprintf(p, ETH_GSTRING_LEN, "port.%s", 1506 i40e_gstrings_stats[i].stat_string); 1507 p += ETH_GSTRING_LEN; 1508 } 1509 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1510 snprintf(p, ETH_GSTRING_LEN, 1511 "port.tx_priority_%u_xon", i); 1512 p += ETH_GSTRING_LEN; 1513 snprintf(p, ETH_GSTRING_LEN, 1514 "port.tx_priority_%u_xoff", i); 1515 p += ETH_GSTRING_LEN; 1516 } 1517 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1518 snprintf(p, ETH_GSTRING_LEN, 1519 "port.rx_priority_%u_xon", i); 1520 p += ETH_GSTRING_LEN; 1521 snprintf(p, ETH_GSTRING_LEN, 1522 "port.rx_priority_%u_xoff", i); 1523 p += ETH_GSTRING_LEN; 1524 } 1525 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1526 snprintf(p, ETH_GSTRING_LEN, 1527 "port.rx_priority_%u_xon_2_xoff", i); 1528 p += ETH_GSTRING_LEN; 1529 } 1530 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */ 1531 break; 1532 case ETH_SS_PRIV_FLAGS: 1533 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) { 1534 memcpy(data, i40e_priv_flags_strings[i], 1535 ETH_GSTRING_LEN); 1536 data += ETH_GSTRING_LEN; 1537 } 1538 break; 1539 default: 1540 break; 1541 } 1542 } 1543 1544 static int i40e_get_ts_info(struct net_device *dev, 1545 struct ethtool_ts_info *info) 1546 { 1547 struct i40e_pf *pf = i40e_netdev_to_pf(dev); 1548 1549 /* only report HW timestamping if PTP is enabled */ 1550 if (!(pf->flags & I40E_FLAG_PTP)) 1551 return ethtool_op_get_ts_info(dev, info); 1552 1553 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 1554 SOF_TIMESTAMPING_RX_SOFTWARE | 1555 SOF_TIMESTAMPING_SOFTWARE | 1556 SOF_TIMESTAMPING_TX_HARDWARE | 1557 SOF_TIMESTAMPING_RX_HARDWARE | 1558 SOF_TIMESTAMPING_RAW_HARDWARE; 1559 1560 if (pf->ptp_clock) 1561 info->phc_index = ptp_clock_index(pf->ptp_clock); 1562 else 1563 info->phc_index = -1; 1564 1565 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 1566 1567 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | 1568 BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | 1569 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT); 1570 1571 return 0; 1572 } 1573 1574 static int i40e_link_test(struct net_device *netdev, u64 *data) 1575 { 1576 struct i40e_netdev_priv *np = netdev_priv(netdev); 1577 struct i40e_pf *pf = np->vsi->back; 1578 i40e_status status; 1579 bool link_up = false; 1580 1581 netif_info(pf, hw, netdev, "link test\n"); 1582 status = i40e_get_link_status(&pf->hw, &link_up); 1583 if (status) { 1584 netif_err(pf, drv, netdev, "link query timed out, please retry test\n"); 1585 *data = 1; 1586 return *data; 1587 } 1588 1589 if (link_up) 1590 *data = 0; 1591 else 1592 *data = 1; 1593 1594 return *data; 1595 } 1596 1597 static int i40e_reg_test(struct net_device *netdev, u64 *data) 1598 { 1599 struct i40e_netdev_priv *np = netdev_priv(netdev); 1600 struct i40e_pf *pf = np->vsi->back; 1601 1602 netif_info(pf, hw, netdev, "register test\n"); 1603 *data = i40e_diag_reg_test(&pf->hw); 1604 1605 return *data; 1606 } 1607 1608 static int i40e_eeprom_test(struct net_device *netdev, u64 *data) 1609 { 1610 struct i40e_netdev_priv *np = netdev_priv(netdev); 1611 struct i40e_pf *pf = np->vsi->back; 1612 1613 netif_info(pf, hw, netdev, "eeprom test\n"); 1614 *data = i40e_diag_eeprom_test(&pf->hw); 1615 1616 /* forcebly clear the NVM Update state machine */ 1617 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT; 1618 1619 return *data; 1620 } 1621 1622 static int i40e_intr_test(struct net_device *netdev, u64 *data) 1623 { 1624 struct i40e_netdev_priv *np = netdev_priv(netdev); 1625 struct i40e_pf *pf = np->vsi->back; 1626 u16 swc_old = pf->sw_int_count; 1627 1628 netif_info(pf, hw, netdev, "interrupt test\n"); 1629 wr32(&pf->hw, I40E_PFINT_DYN_CTL0, 1630 (I40E_PFINT_DYN_CTL0_INTENA_MASK | 1631 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK | 1632 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK | 1633 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK | 1634 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK)); 1635 usleep_range(1000, 2000); 1636 *data = (swc_old == pf->sw_int_count); 1637 1638 return *data; 1639 } 1640 1641 static int i40e_loopback_test(struct net_device *netdev, u64 *data) 1642 { 1643 struct i40e_netdev_priv *np = netdev_priv(netdev); 1644 struct i40e_pf *pf = np->vsi->back; 1645 1646 netif_info(pf, hw, netdev, "loopback test not implemented\n"); 1647 *data = 0; 1648 1649 return *data; 1650 } 1651 1652 static inline bool i40e_active_vfs(struct i40e_pf *pf) 1653 { 1654 struct i40e_vf *vfs = pf->vf; 1655 int i; 1656 1657 for (i = 0; i < pf->num_alloc_vfs; i++) 1658 if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states)) 1659 return true; 1660 return false; 1661 } 1662 1663 static inline bool i40e_active_vmdqs(struct i40e_pf *pf) 1664 { 1665 struct i40e_vsi **vsi = pf->vsi; 1666 int i; 1667 1668 for (i = 0; i < pf->num_alloc_vsi; i++) { 1669 if (!vsi[i]) 1670 continue; 1671 if (vsi[i]->type == I40E_VSI_VMDQ2) 1672 return true; 1673 } 1674 1675 return false; 1676 } 1677 1678 static void i40e_diag_test(struct net_device *netdev, 1679 struct ethtool_test *eth_test, u64 *data) 1680 { 1681 struct i40e_netdev_priv *np = netdev_priv(netdev); 1682 bool if_running = netif_running(netdev); 1683 struct i40e_pf *pf = np->vsi->back; 1684 1685 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1686 /* Offline tests */ 1687 netif_info(pf, drv, netdev, "offline testing starting\n"); 1688 1689 set_bit(__I40E_TESTING, &pf->state); 1690 1691 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) { 1692 dev_warn(&pf->pdev->dev, 1693 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 1694 data[I40E_ETH_TEST_REG] = 1; 1695 data[I40E_ETH_TEST_EEPROM] = 1; 1696 data[I40E_ETH_TEST_INTR] = 1; 1697 data[I40E_ETH_TEST_LOOPBACK] = 1; 1698 data[I40E_ETH_TEST_LINK] = 1; 1699 eth_test->flags |= ETH_TEST_FL_FAILED; 1700 clear_bit(__I40E_TESTING, &pf->state); 1701 goto skip_ol_tests; 1702 } 1703 1704 /* If the device is online then take it offline */ 1705 if (if_running) 1706 /* indicate we're in test mode */ 1707 dev_close(netdev); 1708 else 1709 /* This reset does not affect link - if it is 1710 * changed to a type of reset that does affect 1711 * link then the following link test would have 1712 * to be moved to before the reset 1713 */ 1714 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1715 1716 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1717 eth_test->flags |= ETH_TEST_FL_FAILED; 1718 1719 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM])) 1720 eth_test->flags |= ETH_TEST_FL_FAILED; 1721 1722 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR])) 1723 eth_test->flags |= ETH_TEST_FL_FAILED; 1724 1725 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK])) 1726 eth_test->flags |= ETH_TEST_FL_FAILED; 1727 1728 /* run reg test last, a reset is required after it */ 1729 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG])) 1730 eth_test->flags |= ETH_TEST_FL_FAILED; 1731 1732 clear_bit(__I40E_TESTING, &pf->state); 1733 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1734 1735 if (if_running) 1736 dev_open(netdev); 1737 } else { 1738 /* Online tests */ 1739 netif_info(pf, drv, netdev, "online testing starting\n"); 1740 1741 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1742 eth_test->flags |= ETH_TEST_FL_FAILED; 1743 1744 /* Offline only tests, not run in online; pass by default */ 1745 data[I40E_ETH_TEST_REG] = 0; 1746 data[I40E_ETH_TEST_EEPROM] = 0; 1747 data[I40E_ETH_TEST_INTR] = 0; 1748 data[I40E_ETH_TEST_LOOPBACK] = 0; 1749 } 1750 1751 skip_ol_tests: 1752 1753 netif_info(pf, drv, netdev, "testing finished\n"); 1754 } 1755 1756 static void i40e_get_wol(struct net_device *netdev, 1757 struct ethtool_wolinfo *wol) 1758 { 1759 struct i40e_netdev_priv *np = netdev_priv(netdev); 1760 struct i40e_pf *pf = np->vsi->back; 1761 struct i40e_hw *hw = &pf->hw; 1762 u16 wol_nvm_bits; 1763 1764 /* NVM bit on means WoL disabled for the port */ 1765 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1766 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) { 1767 wol->supported = 0; 1768 wol->wolopts = 0; 1769 } else { 1770 wol->supported = WAKE_MAGIC; 1771 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0); 1772 } 1773 } 1774 1775 /** 1776 * i40e_set_wol - set the WakeOnLAN configuration 1777 * @netdev: the netdev in question 1778 * @wol: the ethtool WoL setting data 1779 **/ 1780 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1781 { 1782 struct i40e_netdev_priv *np = netdev_priv(netdev); 1783 struct i40e_pf *pf = np->vsi->back; 1784 struct i40e_vsi *vsi = np->vsi; 1785 struct i40e_hw *hw = &pf->hw; 1786 u16 wol_nvm_bits; 1787 1788 /* WoL not supported if this isn't the controlling PF on the port */ 1789 if (hw->partition_id != 1) { 1790 i40e_partition_setting_complaint(pf); 1791 return -EOPNOTSUPP; 1792 } 1793 1794 if (vsi != pf->vsi[pf->lan_vsi]) 1795 return -EOPNOTSUPP; 1796 1797 /* NVM bit on means WoL disabled for the port */ 1798 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1799 if (BIT(hw->port) & wol_nvm_bits) 1800 return -EOPNOTSUPP; 1801 1802 /* only magic packet is supported */ 1803 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC)) 1804 return -EOPNOTSUPP; 1805 1806 /* is this a new value? */ 1807 if (pf->wol_en != !!wol->wolopts) { 1808 pf->wol_en = !!wol->wolopts; 1809 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en); 1810 } 1811 1812 return 0; 1813 } 1814 1815 static int i40e_set_phys_id(struct net_device *netdev, 1816 enum ethtool_phys_id_state state) 1817 { 1818 struct i40e_netdev_priv *np = netdev_priv(netdev); 1819 struct i40e_pf *pf = np->vsi->back; 1820 struct i40e_hw *hw = &pf->hw; 1821 int blink_freq = 2; 1822 1823 switch (state) { 1824 case ETHTOOL_ID_ACTIVE: 1825 pf->led_status = i40e_led_get(hw); 1826 return blink_freq; 1827 case ETHTOOL_ID_ON: 1828 i40e_led_set(hw, 0xF, false); 1829 break; 1830 case ETHTOOL_ID_OFF: 1831 i40e_led_set(hw, 0x0, false); 1832 break; 1833 case ETHTOOL_ID_INACTIVE: 1834 i40e_led_set(hw, pf->led_status, false); 1835 break; 1836 default: 1837 break; 1838 } 1839 1840 return 0; 1841 } 1842 1843 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt 1844 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also 1845 * 125us (8000 interrupts per second) == ITR(62) 1846 */ 1847 1848 static int i40e_get_coalesce(struct net_device *netdev, 1849 struct ethtool_coalesce *ec) 1850 { 1851 struct i40e_netdev_priv *np = netdev_priv(netdev); 1852 struct i40e_vsi *vsi = np->vsi; 1853 1854 ec->tx_max_coalesced_frames_irq = vsi->work_limit; 1855 ec->rx_max_coalesced_frames_irq = vsi->work_limit; 1856 1857 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting)) 1858 ec->use_adaptive_rx_coalesce = 1; 1859 1860 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting)) 1861 ec->use_adaptive_tx_coalesce = 1; 1862 1863 ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC; 1864 ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC; 1865 /* we use the _usecs_high to store/set the interrupt rate limit 1866 * that the hardware supports, that almost but not quite 1867 * fits the original intent of the ethtool variable, 1868 * the rx_coalesce_usecs_high limits total interrupts 1869 * per second from both tx/rx sources. 1870 */ 1871 ec->rx_coalesce_usecs_high = vsi->int_rate_limit; 1872 ec->tx_coalesce_usecs_high = vsi->int_rate_limit; 1873 1874 return 0; 1875 } 1876 1877 static int i40e_set_coalesce(struct net_device *netdev, 1878 struct ethtool_coalesce *ec) 1879 { 1880 struct i40e_netdev_priv *np = netdev_priv(netdev); 1881 struct i40e_q_vector *q_vector; 1882 struct i40e_vsi *vsi = np->vsi; 1883 struct i40e_pf *pf = vsi->back; 1884 struct i40e_hw *hw = &pf->hw; 1885 u16 vector; 1886 int i; 1887 1888 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) 1889 vsi->work_limit = ec->tx_max_coalesced_frames_irq; 1890 1891 /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */ 1892 if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) { 1893 netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n"); 1894 return -EINVAL; 1895 } 1896 1897 if (ec->rx_coalesce_usecs_high >= INTRL_REG_TO_USEC(I40E_MAX_INTRL)) { 1898 netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-235\n"); 1899 return -EINVAL; 1900 } 1901 1902 vector = vsi->base_vector; 1903 if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1904 (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1905 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1906 } else if (ec->rx_coalesce_usecs == 0) { 1907 vsi->rx_itr_setting = ec->rx_coalesce_usecs; 1908 if (ec->use_adaptive_rx_coalesce) 1909 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n"); 1910 } else { 1911 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n"); 1912 return -EINVAL; 1913 } 1914 1915 vsi->int_rate_limit = ec->rx_coalesce_usecs_high; 1916 1917 if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) && 1918 (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) { 1919 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1920 } else if (ec->tx_coalesce_usecs == 0) { 1921 vsi->tx_itr_setting = ec->tx_coalesce_usecs; 1922 if (ec->use_adaptive_tx_coalesce) 1923 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n"); 1924 } else { 1925 netif_info(pf, drv, netdev, 1926 "Invalid value, tx-usecs range is 0-8160\n"); 1927 return -EINVAL; 1928 } 1929 1930 if (ec->use_adaptive_rx_coalesce) 1931 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC; 1932 else 1933 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC; 1934 1935 if (ec->use_adaptive_tx_coalesce) 1936 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC; 1937 else 1938 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC; 1939 1940 for (i = 0; i < vsi->num_q_vectors; i++, vector++) { 1941 u16 intrl = INTRL_USEC_TO_REG(vsi->int_rate_limit); 1942 1943 q_vector = vsi->q_vectors[i]; 1944 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting); 1945 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr); 1946 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting); 1947 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr); 1948 wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl); 1949 i40e_flush(hw); 1950 } 1951 1952 return 0; 1953 } 1954 1955 /** 1956 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type 1957 * @pf: pointer to the physical function struct 1958 * @cmd: ethtool rxnfc command 1959 * 1960 * Returns Success if the flow is supported, else Invalid Input. 1961 **/ 1962 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd) 1963 { 1964 cmd->data = 0; 1965 1966 if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) { 1967 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data; 1968 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type; 1969 return 0; 1970 } 1971 /* Report default options for RSS on i40e */ 1972 switch (cmd->flow_type) { 1973 case TCP_V4_FLOW: 1974 case UDP_V4_FLOW: 1975 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1976 /* fall through to add IP fields */ 1977 case SCTP_V4_FLOW: 1978 case AH_ESP_V4_FLOW: 1979 case AH_V4_FLOW: 1980 case ESP_V4_FLOW: 1981 case IPV4_FLOW: 1982 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1983 break; 1984 case TCP_V6_FLOW: 1985 case UDP_V6_FLOW: 1986 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1987 /* fall through to add IP fields */ 1988 case SCTP_V6_FLOW: 1989 case AH_ESP_V6_FLOW: 1990 case AH_V6_FLOW: 1991 case ESP_V6_FLOW: 1992 case IPV6_FLOW: 1993 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 1994 break; 1995 default: 1996 return -EINVAL; 1997 } 1998 1999 return 0; 2000 } 2001 2002 /** 2003 * i40e_get_ethtool_fdir_all - Populates the rule count of a command 2004 * @pf: Pointer to the physical function struct 2005 * @cmd: The command to get or set Rx flow classification rules 2006 * @rule_locs: Array of used rule locations 2007 * 2008 * This function populates both the total and actual rule count of 2009 * the ethtool flow classification command 2010 * 2011 * Returns 0 on success or -EMSGSIZE if entry not found 2012 **/ 2013 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf, 2014 struct ethtool_rxnfc *cmd, 2015 u32 *rule_locs) 2016 { 2017 struct i40e_fdir_filter *rule; 2018 struct hlist_node *node2; 2019 int cnt = 0; 2020 2021 /* report total rule count */ 2022 cmd->data = i40e_get_fd_cnt_all(pf); 2023 2024 hlist_for_each_entry_safe(rule, node2, 2025 &pf->fdir_filter_list, fdir_node) { 2026 if (cnt == cmd->rule_cnt) 2027 return -EMSGSIZE; 2028 2029 rule_locs[cnt] = rule->fd_id; 2030 cnt++; 2031 } 2032 2033 cmd->rule_cnt = cnt; 2034 2035 return 0; 2036 } 2037 2038 /** 2039 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow 2040 * @pf: Pointer to the physical function struct 2041 * @cmd: The command to get or set Rx flow classification rules 2042 * 2043 * This function looks up a filter based on the Rx flow classification 2044 * command and fills the flow spec info for it if found 2045 * 2046 * Returns 0 on success or -EINVAL if filter not found 2047 **/ 2048 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf, 2049 struct ethtool_rxnfc *cmd) 2050 { 2051 struct ethtool_rx_flow_spec *fsp = 2052 (struct ethtool_rx_flow_spec *)&cmd->fs; 2053 struct i40e_fdir_filter *rule = NULL; 2054 struct hlist_node *node2; 2055 2056 hlist_for_each_entry_safe(rule, node2, 2057 &pf->fdir_filter_list, fdir_node) { 2058 if (fsp->location <= rule->fd_id) 2059 break; 2060 } 2061 2062 if (!rule || fsp->location != rule->fd_id) 2063 return -EINVAL; 2064 2065 fsp->flow_type = rule->flow_type; 2066 if (fsp->flow_type == IP_USER_FLOW) { 2067 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; 2068 fsp->h_u.usr_ip4_spec.proto = 0; 2069 fsp->m_u.usr_ip4_spec.proto = 0; 2070 } 2071 2072 /* Reverse the src and dest notion, since the HW views them from 2073 * Tx perspective where as the user expects it from Rx filter view. 2074 */ 2075 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port; 2076 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port; 2077 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0]; 2078 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0]; 2079 2080 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET) 2081 fsp->ring_cookie = RX_CLS_FLOW_DISC; 2082 else 2083 fsp->ring_cookie = rule->q_index; 2084 2085 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) { 2086 struct i40e_vsi *vsi; 2087 2088 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi); 2089 if (vsi && vsi->type == I40E_VSI_SRIOV) { 2090 fsp->h_ext.data[1] = htonl(vsi->vf_id); 2091 fsp->m_ext.data[1] = htonl(0x1); 2092 } 2093 } 2094 2095 return 0; 2096 } 2097 2098 /** 2099 * i40e_get_rxnfc - command to get RX flow classification rules 2100 * @netdev: network interface device structure 2101 * @cmd: ethtool rxnfc command 2102 * 2103 * Returns Success if the command is supported. 2104 **/ 2105 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2106 u32 *rule_locs) 2107 { 2108 struct i40e_netdev_priv *np = netdev_priv(netdev); 2109 struct i40e_vsi *vsi = np->vsi; 2110 struct i40e_pf *pf = vsi->back; 2111 int ret = -EOPNOTSUPP; 2112 2113 switch (cmd->cmd) { 2114 case ETHTOOL_GRXRINGS: 2115 cmd->data = vsi->num_queue_pairs; 2116 ret = 0; 2117 break; 2118 case ETHTOOL_GRXFH: 2119 ret = i40e_get_rss_hash_opts(pf, cmd); 2120 break; 2121 case ETHTOOL_GRXCLSRLCNT: 2122 cmd->rule_cnt = pf->fdir_pf_active_filters; 2123 /* report total rule count */ 2124 cmd->data = i40e_get_fd_cnt_all(pf); 2125 ret = 0; 2126 break; 2127 case ETHTOOL_GRXCLSRULE: 2128 ret = i40e_get_ethtool_fdir_entry(pf, cmd); 2129 break; 2130 case ETHTOOL_GRXCLSRLALL: 2131 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs); 2132 break; 2133 default: 2134 break; 2135 } 2136 2137 return ret; 2138 } 2139 2140 /** 2141 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2142 * @pf: pointer to the physical function struct 2143 * @cmd: ethtool rxnfc command 2144 * 2145 * Returns Success if the flow input set is supported. 2146 **/ 2147 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc) 2148 { 2149 struct i40e_hw *hw = &pf->hw; 2150 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) | 2151 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32); 2152 2153 /* RSS does not support anything other than hashing 2154 * to queues on src and dst IPs and ports 2155 */ 2156 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | 2157 RXH_L4_B_0_1 | RXH_L4_B_2_3)) 2158 return -EINVAL; 2159 2160 /* We need at least the IP SRC and DEST fields for hashing */ 2161 if (!(nfc->data & RXH_IP_SRC) || 2162 !(nfc->data & RXH_IP_DST)) 2163 return -EINVAL; 2164 2165 switch (nfc->flow_type) { 2166 case TCP_V4_FLOW: 2167 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2168 case 0: 2169 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 2170 break; 2171 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2172 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 2173 break; 2174 default: 2175 return -EINVAL; 2176 } 2177 break; 2178 case TCP_V6_FLOW: 2179 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2180 case 0: 2181 hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 2182 break; 2183 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2184 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 2185 break; 2186 default: 2187 return -EINVAL; 2188 } 2189 break; 2190 case UDP_V4_FLOW: 2191 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2192 case 0: 2193 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 2194 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4)); 2195 break; 2196 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2197 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 2198 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4)); 2199 break; 2200 default: 2201 return -EINVAL; 2202 } 2203 break; 2204 case UDP_V6_FLOW: 2205 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2206 case 0: 2207 hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 2208 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6)); 2209 break; 2210 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2211 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 2212 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6)); 2213 break; 2214 default: 2215 return -EINVAL; 2216 } 2217 break; 2218 case AH_ESP_V4_FLOW: 2219 case AH_V4_FLOW: 2220 case ESP_V4_FLOW: 2221 case SCTP_V4_FLOW: 2222 if ((nfc->data & RXH_L4_B_0_1) || 2223 (nfc->data & RXH_L4_B_2_3)) 2224 return -EINVAL; 2225 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER); 2226 break; 2227 case AH_ESP_V6_FLOW: 2228 case AH_V6_FLOW: 2229 case ESP_V6_FLOW: 2230 case SCTP_V6_FLOW: 2231 if ((nfc->data & RXH_L4_B_0_1) || 2232 (nfc->data & RXH_L4_B_2_3)) 2233 return -EINVAL; 2234 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER); 2235 break; 2236 case IPV4_FLOW: 2237 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) | 2238 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4); 2239 break; 2240 case IPV6_FLOW: 2241 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) | 2242 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6); 2243 break; 2244 default: 2245 return -EINVAL; 2246 } 2247 2248 wr32(hw, I40E_PFQF_HENA(0), (u32)hena); 2249 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32)); 2250 i40e_flush(hw); 2251 2252 /* Save setting for future output/update */ 2253 pf->vsi[pf->lan_vsi]->rxnfc = *nfc; 2254 2255 return 0; 2256 } 2257 2258 /** 2259 * i40e_match_fdir_input_set - Match a new filter against an existing one 2260 * @rule: The filter already added 2261 * @input: The new filter to comapre against 2262 * 2263 * Returns true if the two input set match 2264 **/ 2265 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule, 2266 struct i40e_fdir_filter *input) 2267 { 2268 if ((rule->dst_ip[0] != input->dst_ip[0]) || 2269 (rule->src_ip[0] != input->src_ip[0]) || 2270 (rule->dst_port != input->dst_port) || 2271 (rule->src_port != input->src_port)) 2272 return false; 2273 return true; 2274 } 2275 2276 /** 2277 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry 2278 * @vsi: Pointer to the targeted VSI 2279 * @input: The filter to update or NULL to indicate deletion 2280 * @sw_idx: Software index to the filter 2281 * @cmd: The command to get or set Rx flow classification rules 2282 * 2283 * This function updates (or deletes) a Flow Director entry from 2284 * the hlist of the corresponding PF 2285 * 2286 * Returns 0 on success 2287 **/ 2288 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi, 2289 struct i40e_fdir_filter *input, 2290 u16 sw_idx, 2291 struct ethtool_rxnfc *cmd) 2292 { 2293 struct i40e_fdir_filter *rule, *parent; 2294 struct i40e_pf *pf = vsi->back; 2295 struct hlist_node *node2; 2296 int err = -EINVAL; 2297 2298 parent = NULL; 2299 rule = NULL; 2300 2301 hlist_for_each_entry_safe(rule, node2, 2302 &pf->fdir_filter_list, fdir_node) { 2303 /* hash found, or no matching entry */ 2304 if (rule->fd_id >= sw_idx) 2305 break; 2306 parent = rule; 2307 } 2308 2309 /* if there is an old rule occupying our place remove it */ 2310 if (rule && (rule->fd_id == sw_idx)) { 2311 if (input && !i40e_match_fdir_input_set(rule, input)) 2312 err = i40e_add_del_fdir(vsi, rule, false); 2313 else if (!input) 2314 err = i40e_add_del_fdir(vsi, rule, false); 2315 hlist_del(&rule->fdir_node); 2316 kfree(rule); 2317 pf->fdir_pf_active_filters--; 2318 } 2319 2320 /* If no input this was a delete, err should be 0 if a rule was 2321 * successfully found and removed from the list else -EINVAL 2322 */ 2323 if (!input) 2324 return err; 2325 2326 /* initialize node and set software index */ 2327 INIT_HLIST_NODE(&input->fdir_node); 2328 2329 /* add filter to the list */ 2330 if (parent) 2331 hlist_add_behind(&input->fdir_node, &parent->fdir_node); 2332 else 2333 hlist_add_head(&input->fdir_node, 2334 &pf->fdir_filter_list); 2335 2336 /* update counts */ 2337 pf->fdir_pf_active_filters++; 2338 2339 return 0; 2340 } 2341 2342 /** 2343 * i40e_del_fdir_entry - Deletes a Flow Director filter entry 2344 * @vsi: Pointer to the targeted VSI 2345 * @cmd: The command to get or set Rx flow classification rules 2346 * 2347 * The function removes a Flow Director filter entry from the 2348 * hlist of the corresponding PF 2349 * 2350 * Returns 0 on success 2351 */ 2352 static int i40e_del_fdir_entry(struct i40e_vsi *vsi, 2353 struct ethtool_rxnfc *cmd) 2354 { 2355 struct ethtool_rx_flow_spec *fsp = 2356 (struct ethtool_rx_flow_spec *)&cmd->fs; 2357 struct i40e_pf *pf = vsi->back; 2358 int ret = 0; 2359 2360 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2361 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2362 return -EBUSY; 2363 2364 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2365 return -EBUSY; 2366 2367 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd); 2368 2369 i40e_fdir_check_and_reenable(pf); 2370 return ret; 2371 } 2372 2373 /** 2374 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters 2375 * @vsi: pointer to the targeted VSI 2376 * @cmd: command to get or set RX flow classification rules 2377 * 2378 * Add Flow Director filters for a specific flow spec based on their 2379 * protocol. Returns 0 if the filters were successfully added. 2380 **/ 2381 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, 2382 struct ethtool_rxnfc *cmd) 2383 { 2384 struct ethtool_rx_flow_spec *fsp; 2385 struct i40e_fdir_filter *input; 2386 struct i40e_pf *pf; 2387 int ret = -EINVAL; 2388 u16 vf_id; 2389 2390 if (!vsi) 2391 return -EINVAL; 2392 2393 pf = vsi->back; 2394 2395 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 2396 return -EOPNOTSUPP; 2397 2398 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED) 2399 return -ENOSPC; 2400 2401 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2402 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2403 return -EBUSY; 2404 2405 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2406 return -EBUSY; 2407 2408 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs; 2409 2410 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort + 2411 pf->hw.func_caps.fd_filters_guaranteed)) { 2412 return -EINVAL; 2413 } 2414 2415 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) && 2416 (fsp->ring_cookie >= vsi->num_queue_pairs)) 2417 return -EINVAL; 2418 2419 input = kzalloc(sizeof(*input), GFP_KERNEL); 2420 2421 if (!input) 2422 return -ENOMEM; 2423 2424 input->fd_id = fsp->location; 2425 2426 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) 2427 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET; 2428 else 2429 input->dest_ctl = 2430 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX; 2431 2432 input->q_index = fsp->ring_cookie; 2433 input->flex_off = 0; 2434 input->pctype = 0; 2435 input->dest_vsi = vsi->id; 2436 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID; 2437 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id); 2438 input->flow_type = fsp->flow_type; 2439 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto; 2440 2441 /* Reverse the src and dest notion, since the HW expects them to be from 2442 * Tx perspective where as the input from user is from Rx filter view. 2443 */ 2444 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc; 2445 input->src_port = fsp->h_u.tcp_ip4_spec.pdst; 2446 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src; 2447 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst; 2448 2449 if (ntohl(fsp->m_ext.data[1])) { 2450 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) { 2451 netif_info(pf, drv, vsi->netdev, "Invalid VF id\n"); 2452 goto free_input; 2453 } 2454 vf_id = ntohl(fsp->h_ext.data[1]); 2455 /* Find vsi id from vf id and override dest vsi */ 2456 input->dest_vsi = pf->vf[vf_id].lan_vsi_id; 2457 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) { 2458 netif_info(pf, drv, vsi->netdev, "Invalid queue id\n"); 2459 goto free_input; 2460 } 2461 } 2462 2463 ret = i40e_add_del_fdir(vsi, input, true); 2464 free_input: 2465 if (ret) 2466 kfree(input); 2467 else 2468 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL); 2469 2470 return ret; 2471 } 2472 2473 /** 2474 * i40e_set_rxnfc - command to set RX flow classification rules 2475 * @netdev: network interface device structure 2476 * @cmd: ethtool rxnfc command 2477 * 2478 * Returns Success if the command is supported. 2479 **/ 2480 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2481 { 2482 struct i40e_netdev_priv *np = netdev_priv(netdev); 2483 struct i40e_vsi *vsi = np->vsi; 2484 struct i40e_pf *pf = vsi->back; 2485 int ret = -EOPNOTSUPP; 2486 2487 switch (cmd->cmd) { 2488 case ETHTOOL_SRXFH: 2489 ret = i40e_set_rss_hash_opt(pf, cmd); 2490 break; 2491 case ETHTOOL_SRXCLSRLINS: 2492 ret = i40e_add_fdir_ethtool(vsi, cmd); 2493 break; 2494 case ETHTOOL_SRXCLSRLDEL: 2495 ret = i40e_del_fdir_entry(vsi, cmd); 2496 break; 2497 default: 2498 break; 2499 } 2500 2501 return ret; 2502 } 2503 2504 /** 2505 * i40e_max_channels - get Max number of combined channels supported 2506 * @vsi: vsi pointer 2507 **/ 2508 static unsigned int i40e_max_channels(struct i40e_vsi *vsi) 2509 { 2510 /* TODO: This code assumes DCB and FD is disabled for now. */ 2511 return vsi->alloc_queue_pairs; 2512 } 2513 2514 /** 2515 * i40e_get_channels - Get the current channels enabled and max supported etc. 2516 * @netdev: network interface device structure 2517 * @ch: ethtool channels structure 2518 * 2519 * We don't support separate tx and rx queues as channels. The other count 2520 * represents how many queues are being used for control. max_combined counts 2521 * how many queue pairs we can support. They may not be mapped 1 to 1 with 2522 * q_vectors since we support a lot more queue pairs than q_vectors. 2523 **/ 2524 static void i40e_get_channels(struct net_device *dev, 2525 struct ethtool_channels *ch) 2526 { 2527 struct i40e_netdev_priv *np = netdev_priv(dev); 2528 struct i40e_vsi *vsi = np->vsi; 2529 struct i40e_pf *pf = vsi->back; 2530 2531 /* report maximum channels */ 2532 ch->max_combined = i40e_max_channels(vsi); 2533 2534 /* report info for other vector */ 2535 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0; 2536 ch->max_other = ch->other_count; 2537 2538 /* Note: This code assumes DCB is disabled for now. */ 2539 ch->combined_count = vsi->num_queue_pairs; 2540 } 2541 2542 /** 2543 * i40e_set_channels - Set the new channels count. 2544 * @netdev: network interface device structure 2545 * @ch: ethtool channels structure 2546 * 2547 * The new channels count may not be the same as requested by the user 2548 * since it gets rounded down to a power of 2 value. 2549 **/ 2550 static int i40e_set_channels(struct net_device *dev, 2551 struct ethtool_channels *ch) 2552 { 2553 struct i40e_netdev_priv *np = netdev_priv(dev); 2554 unsigned int count = ch->combined_count; 2555 struct i40e_vsi *vsi = np->vsi; 2556 struct i40e_pf *pf = vsi->back; 2557 int new_count; 2558 2559 /* We do not support setting channels for any other VSI at present */ 2560 if (vsi->type != I40E_VSI_MAIN) 2561 return -EINVAL; 2562 2563 /* verify they are not requesting separate vectors */ 2564 if (!count || ch->rx_count || ch->tx_count) 2565 return -EINVAL; 2566 2567 /* verify other_count has not changed */ 2568 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0)) 2569 return -EINVAL; 2570 2571 /* verify the number of channels does not exceed hardware limits */ 2572 if (count > i40e_max_channels(vsi)) 2573 return -EINVAL; 2574 2575 /* update feature limits from largest to smallest supported values */ 2576 /* TODO: Flow director limit, DCB etc */ 2577 2578 /* use rss_reconfig to rebuild with new queue count and update traffic 2579 * class queue mapping 2580 */ 2581 new_count = i40e_reconfig_rss_queues(pf, count); 2582 if (new_count > 0) 2583 return 0; 2584 else 2585 return -EINVAL; 2586 } 2587 2588 /** 2589 * i40e_get_rxfh_key_size - get the RSS hash key size 2590 * @netdev: network interface device structure 2591 * 2592 * Returns the table size. 2593 **/ 2594 static u32 i40e_get_rxfh_key_size(struct net_device *netdev) 2595 { 2596 return I40E_HKEY_ARRAY_SIZE; 2597 } 2598 2599 /** 2600 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size 2601 * @netdev: network interface device structure 2602 * 2603 * Returns the table size. 2604 **/ 2605 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev) 2606 { 2607 return I40E_HLUT_ARRAY_SIZE; 2608 } 2609 2610 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, 2611 u8 *hfunc) 2612 { 2613 struct i40e_netdev_priv *np = netdev_priv(netdev); 2614 struct i40e_vsi *vsi = np->vsi; 2615 u8 *lut, *seed = NULL; 2616 int ret; 2617 u16 i; 2618 2619 if (hfunc) 2620 *hfunc = ETH_RSS_HASH_TOP; 2621 2622 if (!indir) 2623 return 0; 2624 2625 seed = key; 2626 lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL); 2627 if (!lut) 2628 return -ENOMEM; 2629 ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE); 2630 if (ret) 2631 goto out; 2632 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++) 2633 indir[i] = (u32)(lut[i]); 2634 2635 out: 2636 kfree(lut); 2637 2638 return ret; 2639 } 2640 2641 /** 2642 * i40e_set_rxfh - set the rx flow hash indirection table 2643 * @netdev: network interface device structure 2644 * @indir: indirection table 2645 * @key: hash key 2646 * 2647 * Returns -EINVAL if the table specifies an invalid queue id, otherwise 2648 * returns 0 after programming the table. 2649 **/ 2650 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir, 2651 const u8 *key, const u8 hfunc) 2652 { 2653 struct i40e_netdev_priv *np = netdev_priv(netdev); 2654 struct i40e_vsi *vsi = np->vsi; 2655 u8 *seed = NULL; 2656 u16 i; 2657 2658 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 2659 return -EOPNOTSUPP; 2660 2661 if (!indir) 2662 return 0; 2663 2664 if (key) { 2665 if (!vsi->rss_hkey_user) { 2666 vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE, 2667 GFP_KERNEL); 2668 if (!vsi->rss_hkey_user) 2669 return -ENOMEM; 2670 } 2671 memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE); 2672 seed = vsi->rss_hkey_user; 2673 } 2674 if (!vsi->rss_lut_user) { 2675 vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL); 2676 if (!vsi->rss_lut_user) 2677 return -ENOMEM; 2678 } 2679 2680 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 2681 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++) 2682 vsi->rss_lut_user[i] = (u8)(indir[i]); 2683 2684 return i40e_config_rss(vsi, seed, vsi->rss_lut_user, 2685 I40E_HLUT_ARRAY_SIZE); 2686 } 2687 2688 /** 2689 * i40e_get_priv_flags - report device private flags 2690 * @dev: network interface device structure 2691 * 2692 * The get string set count and the string set should be matched for each 2693 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings 2694 * array. 2695 * 2696 * Returns a u32 bitmap of flags. 2697 **/ 2698 static u32 i40e_get_priv_flags(struct net_device *dev) 2699 { 2700 struct i40e_netdev_priv *np = netdev_priv(dev); 2701 struct i40e_vsi *vsi = np->vsi; 2702 struct i40e_pf *pf = vsi->back; 2703 u32 ret_flags = 0; 2704 2705 ret_flags |= pf->hw.func_caps.npar_enable ? 2706 I40E_PRIV_FLAGS_NPAR_FLAG : 0; 2707 ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ? 2708 I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0; 2709 ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ? 2710 I40E_PRIV_FLAGS_FD_ATR : 0; 2711 ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ? 2712 I40E_PRIV_FLAGS_VEB_STATS : 0; 2713 ret_flags |= pf->flags & I40E_FLAG_RX_PS_ENABLED ? 2714 I40E_PRIV_FLAGS_PS : 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 bool reset_required = false; 2730 2731 /* NOTE: MFP is not settable */ 2732 2733 /* allow the user to control the method of receive 2734 * buffer DMA, whether the packet is split at header 2735 * boundaries into two separate buffers. In some cases 2736 * one routine or the other will perform better. 2737 */ 2738 if ((flags & I40E_PRIV_FLAGS_PS) && 2739 !(pf->flags & I40E_FLAG_RX_PS_ENABLED)) { 2740 pf->flags |= I40E_FLAG_RX_PS_ENABLED; 2741 pf->flags &= ~I40E_FLAG_RX_1BUF_ENABLED; 2742 reset_required = true; 2743 } else if (!(flags & I40E_PRIV_FLAGS_PS) && 2744 (pf->flags & I40E_FLAG_RX_PS_ENABLED)) { 2745 pf->flags &= ~I40E_FLAG_RX_PS_ENABLED; 2746 pf->flags |= I40E_FLAG_RX_1BUF_ENABLED; 2747 reset_required = true; 2748 } 2749 2750 if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG) 2751 pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED; 2752 else 2753 pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED; 2754 2755 /* allow the user to control the state of the Flow 2756 * Director ATR (Application Targeted Routing) feature 2757 * of the driver 2758 */ 2759 if (flags & I40E_PRIV_FLAGS_FD_ATR) { 2760 pf->flags |= I40E_FLAG_FD_ATR_ENABLED; 2761 } else { 2762 pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED; 2763 pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED; 2764 } 2765 2766 if (flags & I40E_PRIV_FLAGS_VEB_STATS) 2767 pf->flags |= I40E_FLAG_VEB_STATS_ENABLED; 2768 else 2769 pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED; 2770 2771 /* if needed, issue reset to cause things to take effect */ 2772 if (reset_required) 2773 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 2774 2775 return 0; 2776 } 2777 2778 static const struct ethtool_ops i40e_ethtool_ops = { 2779 .get_settings = i40e_get_settings, 2780 .set_settings = i40e_set_settings, 2781 .get_drvinfo = i40e_get_drvinfo, 2782 .get_regs_len = i40e_get_regs_len, 2783 .get_regs = i40e_get_regs, 2784 .nway_reset = i40e_nway_reset, 2785 .get_link = ethtool_op_get_link, 2786 .get_wol = i40e_get_wol, 2787 .set_wol = i40e_set_wol, 2788 .set_eeprom = i40e_set_eeprom, 2789 .get_eeprom_len = i40e_get_eeprom_len, 2790 .get_eeprom = i40e_get_eeprom, 2791 .get_ringparam = i40e_get_ringparam, 2792 .set_ringparam = i40e_set_ringparam, 2793 .get_pauseparam = i40e_get_pauseparam, 2794 .set_pauseparam = i40e_set_pauseparam, 2795 .get_msglevel = i40e_get_msglevel, 2796 .set_msglevel = i40e_set_msglevel, 2797 .get_rxnfc = i40e_get_rxnfc, 2798 .set_rxnfc = i40e_set_rxnfc, 2799 .self_test = i40e_diag_test, 2800 .get_strings = i40e_get_strings, 2801 .set_phys_id = i40e_set_phys_id, 2802 .get_sset_count = i40e_get_sset_count, 2803 .get_ethtool_stats = i40e_get_ethtool_stats, 2804 .get_coalesce = i40e_get_coalesce, 2805 .set_coalesce = i40e_set_coalesce, 2806 .get_rxfh_key_size = i40e_get_rxfh_key_size, 2807 .get_rxfh_indir_size = i40e_get_rxfh_indir_size, 2808 .get_rxfh = i40e_get_rxfh, 2809 .set_rxfh = i40e_set_rxfh, 2810 .get_channels = i40e_get_channels, 2811 .set_channels = i40e_set_channels, 2812 .get_ts_info = i40e_get_ts_info, 2813 .get_priv_flags = i40e_get_priv_flags, 2814 .set_priv_flags = i40e_set_priv_flags, 2815 }; 2816 2817 void i40e_set_ethtool_ops(struct net_device *netdev) 2818 { 2819 netdev->ethtool_ops = &i40e_ethtool_ops; 2820 } 2821