1 /******************************************************************************* 2 * 3 * Intel Ethernet Controller XL710 Family Linux Driver 4 * Copyright(c) 2013 - 2016 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 I40E_VSI_STAT("tx_lost_interrupt", tx_lost_interrupt), 93 I40E_VSI_STAT("rx_alloc_fail", rx_buf_failed), 94 I40E_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 95 }; 96 97 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 98 * but they are separate. This device supports Virtualization, and 99 * as such might have several netdevs supporting VMDq and FCoE going 100 * through a single port. The NETDEV_STATs are for individual netdevs 101 * seen at the top of the stack, and the PF_STATs are for the physical 102 * function at the bottom of the stack hosting those netdevs. 103 * 104 * The PF_STATs are appended to the netdev stats only when ethtool -S 105 * is queried on the base PF netdev, not on the VMDq or FCoE netdev. 106 */ 107 static struct i40e_stats i40e_gstrings_stats[] = { 108 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes), 109 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes), 110 I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast), 111 I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast), 112 I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast), 113 I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast), 114 I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast), 115 I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast), 116 I40E_PF_STAT("tx_errors", stats.eth.tx_errors), 117 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards), 118 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down), 119 I40E_PF_STAT("rx_crc_errors", stats.crc_errors), 120 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes), 121 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults), 122 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults), 123 I40E_PF_STAT("tx_timeout", tx_timeout_count), 124 I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error), 125 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors), 126 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx), 127 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx), 128 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx), 129 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx), 130 I40E_PF_STAT("rx_size_64", stats.rx_size_64), 131 I40E_PF_STAT("rx_size_127", stats.rx_size_127), 132 I40E_PF_STAT("rx_size_255", stats.rx_size_255), 133 I40E_PF_STAT("rx_size_511", stats.rx_size_511), 134 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023), 135 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522), 136 I40E_PF_STAT("rx_size_big", stats.rx_size_big), 137 I40E_PF_STAT("tx_size_64", stats.tx_size_64), 138 I40E_PF_STAT("tx_size_127", stats.tx_size_127), 139 I40E_PF_STAT("tx_size_255", stats.tx_size_255), 140 I40E_PF_STAT("tx_size_511", stats.tx_size_511), 141 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023), 142 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522), 143 I40E_PF_STAT("tx_size_big", stats.tx_size_big), 144 I40E_PF_STAT("rx_undersize", stats.rx_undersize), 145 I40E_PF_STAT("rx_fragments", stats.rx_fragments), 146 I40E_PF_STAT("rx_oversize", stats.rx_oversize), 147 I40E_PF_STAT("rx_jabber", stats.rx_jabber), 148 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests), 149 I40E_PF_STAT("arq_overflows", arq_overflows), 150 I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared), 151 I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt), 152 I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match), 153 I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match), 154 I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status), 155 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match), 156 I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status), 157 158 /* LPI stats */ 159 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status), 160 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status), 161 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count), 162 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count), 163 }; 164 165 #ifdef I40E_FCOE 166 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = { 167 I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc), 168 I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped), 169 I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets), 170 I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords), 171 I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count), 172 I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error), 173 I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets), 174 I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords), 175 }; 176 177 #endif /* I40E_FCOE */ 178 #define I40E_QUEUE_STATS_LEN(n) \ 179 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \ 180 * 2 /* Tx and Rx together */ \ 181 * (sizeof(struct i40e_queue_stats) / sizeof(u64))) 182 #define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats) 183 #define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats) 184 #define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats) 185 #ifdef I40E_FCOE 186 #define I40E_FCOE_STATS_LEN ARRAY_SIZE(i40e_gstrings_fcoe_stats) 187 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ 188 I40E_FCOE_STATS_LEN + \ 189 I40E_MISC_STATS_LEN + \ 190 I40E_QUEUE_STATS_LEN((n))) 191 #else 192 #define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \ 193 I40E_MISC_STATS_LEN + \ 194 I40E_QUEUE_STATS_LEN((n))) 195 #endif /* I40E_FCOE */ 196 #define I40E_PFC_STATS_LEN ( \ 197 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \ 198 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \ 199 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \ 200 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \ 201 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \ 202 / sizeof(u64)) 203 #define I40E_VEB_TC_STATS_LEN ( \ 204 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \ 205 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \ 206 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \ 207 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \ 208 / sizeof(u64)) 209 #define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats) 210 #define I40E_VEB_STATS_TOTAL (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN) 211 #define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \ 212 I40E_PFC_STATS_LEN + \ 213 I40E_VSI_STATS_LEN((n))) 214 215 enum i40e_ethtool_test_id { 216 I40E_ETH_TEST_REG = 0, 217 I40E_ETH_TEST_EEPROM, 218 I40E_ETH_TEST_INTR, 219 I40E_ETH_TEST_LOOPBACK, 220 I40E_ETH_TEST_LINK, 221 }; 222 223 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = { 224 "Register test (offline)", 225 "Eeprom test (offline)", 226 "Interrupt test (offline)", 227 "Loopback test (offline)", 228 "Link test (on/offline)" 229 }; 230 231 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN) 232 233 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = { 234 "NPAR", 235 "LinkPolling", 236 "flow-director-atr", 237 "veb-stats", 238 "packet-split", 239 "hw-atr-eviction", 240 }; 241 242 #define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings) 243 244 /** 245 * i40e_partition_setting_complaint - generic complaint for MFP restriction 246 * @pf: the PF struct 247 **/ 248 static void i40e_partition_setting_complaint(struct i40e_pf *pf) 249 { 250 dev_info(&pf->pdev->dev, 251 "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"); 252 } 253 254 /** 255 * i40e_get_settings_link_up - Get the Link settings for when link is up 256 * @hw: hw structure 257 * @ecmd: ethtool command to fill in 258 * @netdev: network interface device structure 259 * 260 **/ 261 static void i40e_get_settings_link_up(struct i40e_hw *hw, 262 struct ethtool_cmd *ecmd, 263 struct net_device *netdev, 264 struct i40e_pf *pf) 265 { 266 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 267 u32 link_speed = hw_link_info->link_speed; 268 269 /* Initialize supported and advertised settings based on phy settings */ 270 switch (hw_link_info->phy_type) { 271 case I40E_PHY_TYPE_40GBASE_CR4: 272 case I40E_PHY_TYPE_40GBASE_CR4_CU: 273 ecmd->supported = SUPPORTED_Autoneg | 274 SUPPORTED_40000baseCR4_Full; 275 ecmd->advertising = ADVERTISED_Autoneg | 276 ADVERTISED_40000baseCR4_Full; 277 break; 278 case I40E_PHY_TYPE_XLAUI: 279 case I40E_PHY_TYPE_XLPPI: 280 case I40E_PHY_TYPE_40GBASE_AOC: 281 ecmd->supported = SUPPORTED_40000baseCR4_Full; 282 break; 283 case I40E_PHY_TYPE_40GBASE_SR4: 284 ecmd->supported = SUPPORTED_40000baseSR4_Full; 285 break; 286 case I40E_PHY_TYPE_40GBASE_LR4: 287 ecmd->supported = SUPPORTED_40000baseLR4_Full; 288 break; 289 case I40E_PHY_TYPE_10GBASE_SR: 290 case I40E_PHY_TYPE_10GBASE_LR: 291 case I40E_PHY_TYPE_1000BASE_SX: 292 case I40E_PHY_TYPE_1000BASE_LX: 293 ecmd->supported = SUPPORTED_10000baseT_Full; 294 if (hw_link_info->module_type[2] & 295 I40E_MODULE_TYPE_1000BASE_SX || 296 hw_link_info->module_type[2] & 297 I40E_MODULE_TYPE_1000BASE_LX) { 298 ecmd->supported |= SUPPORTED_1000baseT_Full; 299 if (hw_link_info->requested_speeds & 300 I40E_LINK_SPEED_1GB) 301 ecmd->advertising |= ADVERTISED_1000baseT_Full; 302 } 303 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 304 ecmd->advertising |= ADVERTISED_10000baseT_Full; 305 break; 306 case I40E_PHY_TYPE_10GBASE_T: 307 case I40E_PHY_TYPE_1000BASE_T: 308 ecmd->supported = SUPPORTED_Autoneg | 309 SUPPORTED_10000baseT_Full | 310 SUPPORTED_1000baseT_Full; 311 ecmd->advertising = ADVERTISED_Autoneg; 312 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 313 ecmd->advertising |= ADVERTISED_10000baseT_Full; 314 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 315 ecmd->advertising |= ADVERTISED_1000baseT_Full; 316 break; 317 case I40E_PHY_TYPE_1000BASE_T_OPTICAL: 318 ecmd->supported = SUPPORTED_Autoneg | 319 SUPPORTED_1000baseT_Full; 320 ecmd->advertising = ADVERTISED_Autoneg | 321 ADVERTISED_1000baseT_Full; 322 break; 323 case I40E_PHY_TYPE_100BASE_TX: 324 ecmd->supported = SUPPORTED_Autoneg | 325 SUPPORTED_100baseT_Full; 326 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 327 ecmd->advertising |= ADVERTISED_100baseT_Full; 328 break; 329 case I40E_PHY_TYPE_10GBASE_CR1_CU: 330 case I40E_PHY_TYPE_10GBASE_CR1: 331 ecmd->supported = SUPPORTED_Autoneg | 332 SUPPORTED_10000baseT_Full; 333 ecmd->advertising = ADVERTISED_Autoneg | 334 ADVERTISED_10000baseT_Full; 335 break; 336 case I40E_PHY_TYPE_XAUI: 337 case I40E_PHY_TYPE_XFI: 338 case I40E_PHY_TYPE_SFI: 339 case I40E_PHY_TYPE_10GBASE_SFPP_CU: 340 case I40E_PHY_TYPE_10GBASE_AOC: 341 ecmd->supported = SUPPORTED_10000baseT_Full; 342 break; 343 case I40E_PHY_TYPE_SGMII: 344 ecmd->supported = SUPPORTED_Autoneg | 345 SUPPORTED_1000baseT_Full; 346 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 347 ecmd->advertising |= ADVERTISED_1000baseT_Full; 348 if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) { 349 ecmd->supported |= SUPPORTED_100baseT_Full; 350 if (hw_link_info->requested_speeds & 351 I40E_LINK_SPEED_100MB) 352 ecmd->advertising |= ADVERTISED_100baseT_Full; 353 } 354 break; 355 /* Backplane is set based on supported phy types in get_settings 356 * so don't set anything here but don't warn either 357 */ 358 case I40E_PHY_TYPE_40GBASE_KR4: 359 case I40E_PHY_TYPE_20GBASE_KR2: 360 case I40E_PHY_TYPE_10GBASE_KR: 361 case I40E_PHY_TYPE_10GBASE_KX4: 362 case I40E_PHY_TYPE_1000BASE_KX: 363 break; 364 default: 365 /* if we got here and link is up something bad is afoot */ 366 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n", 367 hw_link_info->phy_type); 368 } 369 370 /* Set speed and duplex */ 371 switch (link_speed) { 372 case I40E_LINK_SPEED_40GB: 373 ethtool_cmd_speed_set(ecmd, SPEED_40000); 374 break; 375 case I40E_LINK_SPEED_20GB: 376 ethtool_cmd_speed_set(ecmd, SPEED_20000); 377 break; 378 case I40E_LINK_SPEED_10GB: 379 ethtool_cmd_speed_set(ecmd, SPEED_10000); 380 break; 381 case I40E_LINK_SPEED_1GB: 382 ethtool_cmd_speed_set(ecmd, SPEED_1000); 383 break; 384 case I40E_LINK_SPEED_100MB: 385 ethtool_cmd_speed_set(ecmd, SPEED_100); 386 break; 387 default: 388 break; 389 } 390 ecmd->duplex = DUPLEX_FULL; 391 } 392 393 /** 394 * i40e_get_settings_link_down - Get the Link settings for when link is down 395 * @hw: hw structure 396 * @ecmd: ethtool command to fill in 397 * 398 * Reports link settings that can be determined when link is down 399 **/ 400 static void i40e_get_settings_link_down(struct i40e_hw *hw, 401 struct ethtool_cmd *ecmd, 402 struct i40e_pf *pf) 403 { 404 enum i40e_aq_capabilities_phy_type phy_types = hw->phy.phy_types; 405 406 /* link is down and the driver needs to fall back on 407 * supported phy types to figure out what info to display 408 */ 409 ecmd->supported = 0x0; 410 ecmd->advertising = 0x0; 411 if (phy_types & I40E_CAP_PHY_TYPE_SGMII) { 412 ecmd->supported |= SUPPORTED_Autoneg | 413 SUPPORTED_1000baseT_Full; 414 ecmd->advertising |= ADVERTISED_Autoneg | 415 ADVERTISED_1000baseT_Full; 416 if (pf->hw.mac.type == I40E_MAC_X722) { 417 ecmd->supported |= SUPPORTED_100baseT_Full; 418 ecmd->advertising |= ADVERTISED_100baseT_Full; 419 if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) { 420 ecmd->supported |= SUPPORTED_100baseT_Full; 421 ecmd->advertising |= ADVERTISED_100baseT_Full; 422 } 423 } 424 } 425 if (phy_types & I40E_CAP_PHY_TYPE_XAUI || 426 phy_types & I40E_CAP_PHY_TYPE_XFI || 427 phy_types & I40E_CAP_PHY_TYPE_SFI || 428 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU || 429 phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC) 430 ecmd->supported |= SUPPORTED_10000baseT_Full; 431 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU || 432 phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 || 433 phy_types & I40E_CAP_PHY_TYPE_10GBASE_T || 434 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR || 435 phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) { 436 ecmd->supported |= SUPPORTED_Autoneg | 437 SUPPORTED_10000baseT_Full; 438 ecmd->advertising |= ADVERTISED_Autoneg | 439 ADVERTISED_10000baseT_Full; 440 } 441 if (phy_types & I40E_CAP_PHY_TYPE_XLAUI || 442 phy_types & I40E_CAP_PHY_TYPE_XLPPI || 443 phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC) 444 ecmd->supported |= SUPPORTED_40000baseCR4_Full; 445 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU || 446 phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) { 447 ecmd->supported |= SUPPORTED_Autoneg | 448 SUPPORTED_40000baseCR4_Full; 449 ecmd->advertising |= ADVERTISED_Autoneg | 450 ADVERTISED_40000baseCR4_Full; 451 } 452 if ((phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) && 453 !(phy_types & I40E_CAP_PHY_TYPE_1000BASE_T)) { 454 ecmd->supported |= SUPPORTED_Autoneg | 455 SUPPORTED_100baseT_Full; 456 ecmd->advertising |= ADVERTISED_Autoneg | 457 ADVERTISED_100baseT_Full; 458 } 459 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T || 460 phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX || 461 phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX || 462 phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) { 463 ecmd->supported |= SUPPORTED_Autoneg | 464 SUPPORTED_1000baseT_Full; 465 ecmd->advertising |= ADVERTISED_Autoneg | 466 ADVERTISED_1000baseT_Full; 467 } 468 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4) 469 ecmd->supported |= SUPPORTED_40000baseSR4_Full; 470 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4) 471 ecmd->supported |= SUPPORTED_40000baseLR4_Full; 472 473 /* With no link speed and duplex are unknown */ 474 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN); 475 ecmd->duplex = DUPLEX_UNKNOWN; 476 } 477 478 /** 479 * i40e_get_settings - Get Link Speed and Duplex settings 480 * @netdev: network interface device structure 481 * @ecmd: ethtool command 482 * 483 * Reports speed/duplex settings based on media_type 484 **/ 485 static int i40e_get_settings(struct net_device *netdev, 486 struct ethtool_cmd *ecmd) 487 { 488 struct i40e_netdev_priv *np = netdev_priv(netdev); 489 struct i40e_pf *pf = np->vsi->back; 490 struct i40e_hw *hw = &pf->hw; 491 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 492 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 493 494 if (link_up) 495 i40e_get_settings_link_up(hw, ecmd, netdev, pf); 496 else 497 i40e_get_settings_link_down(hw, ecmd, pf); 498 499 /* Now set the settings that don't rely on link being up/down */ 500 501 /* For backplane, supported and advertised are only reliant on the 502 * phy types the NVM specifies are supported. 503 */ 504 if (hw->device_id == I40E_DEV_ID_KX_B || 505 hw->device_id == I40E_DEV_ID_KX_C || 506 hw->device_id == I40E_DEV_ID_20G_KR2 || 507 hw->device_id == I40E_DEV_ID_20G_KR2_A) { 508 ecmd->supported = SUPPORTED_Autoneg; 509 ecmd->advertising = ADVERTISED_Autoneg; 510 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) { 511 ecmd->supported |= SUPPORTED_40000baseKR4_Full; 512 ecmd->advertising |= ADVERTISED_40000baseKR4_Full; 513 } 514 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) { 515 ecmd->supported |= SUPPORTED_20000baseKR2_Full; 516 ecmd->advertising |= ADVERTISED_20000baseKR2_Full; 517 } 518 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) { 519 ecmd->supported |= SUPPORTED_10000baseKR_Full; 520 ecmd->advertising |= ADVERTISED_10000baseKR_Full; 521 } 522 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) { 523 ecmd->supported |= SUPPORTED_10000baseKX4_Full; 524 ecmd->advertising |= ADVERTISED_10000baseKX4_Full; 525 } 526 if (hw->phy.phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) { 527 ecmd->supported |= SUPPORTED_1000baseKX_Full; 528 ecmd->advertising |= ADVERTISED_1000baseKX_Full; 529 } 530 } 531 532 /* Set autoneg settings */ 533 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 534 AUTONEG_ENABLE : AUTONEG_DISABLE); 535 536 switch (hw->phy.media_type) { 537 case I40E_MEDIA_TYPE_BACKPLANE: 538 ecmd->supported |= SUPPORTED_Autoneg | 539 SUPPORTED_Backplane; 540 ecmd->advertising |= ADVERTISED_Autoneg | 541 ADVERTISED_Backplane; 542 ecmd->port = PORT_NONE; 543 break; 544 case I40E_MEDIA_TYPE_BASET: 545 ecmd->supported |= SUPPORTED_TP; 546 ecmd->advertising |= ADVERTISED_TP; 547 ecmd->port = PORT_TP; 548 break; 549 case I40E_MEDIA_TYPE_DA: 550 case I40E_MEDIA_TYPE_CX4: 551 ecmd->supported |= SUPPORTED_FIBRE; 552 ecmd->advertising |= ADVERTISED_FIBRE; 553 ecmd->port = PORT_DA; 554 break; 555 case I40E_MEDIA_TYPE_FIBER: 556 ecmd->supported |= SUPPORTED_FIBRE; 557 ecmd->port = PORT_FIBRE; 558 break; 559 case I40E_MEDIA_TYPE_UNKNOWN: 560 default: 561 ecmd->port = PORT_OTHER; 562 break; 563 } 564 565 /* Set transceiver */ 566 ecmd->transceiver = XCVR_EXTERNAL; 567 568 /* Set flow control settings */ 569 ecmd->supported |= SUPPORTED_Pause; 570 571 switch (hw->fc.requested_mode) { 572 case I40E_FC_FULL: 573 ecmd->advertising |= ADVERTISED_Pause; 574 break; 575 case I40E_FC_TX_PAUSE: 576 ecmd->advertising |= ADVERTISED_Asym_Pause; 577 break; 578 case I40E_FC_RX_PAUSE: 579 ecmd->advertising |= (ADVERTISED_Pause | 580 ADVERTISED_Asym_Pause); 581 break; 582 default: 583 ecmd->advertising &= ~(ADVERTISED_Pause | 584 ADVERTISED_Asym_Pause); 585 break; 586 } 587 588 return 0; 589 } 590 591 /** 592 * i40e_set_settings - Set Speed and Duplex 593 * @netdev: network interface device structure 594 * @ecmd: ethtool command 595 * 596 * Set speed/duplex per media_types advertised/forced 597 **/ 598 static int i40e_set_settings(struct net_device *netdev, 599 struct ethtool_cmd *ecmd) 600 { 601 struct i40e_netdev_priv *np = netdev_priv(netdev); 602 struct i40e_aq_get_phy_abilities_resp abilities; 603 struct i40e_aq_set_phy_config config; 604 struct i40e_pf *pf = np->vsi->back; 605 struct i40e_vsi *vsi = np->vsi; 606 struct i40e_hw *hw = &pf->hw; 607 struct ethtool_cmd safe_ecmd; 608 i40e_status status = 0; 609 bool change = false; 610 int err = 0; 611 u8 autoneg; 612 u32 advertise; 613 614 /* Changing port settings is not supported if this isn't the 615 * port's controlling PF 616 */ 617 if (hw->partition_id != 1) { 618 i40e_partition_setting_complaint(pf); 619 return -EOPNOTSUPP; 620 } 621 622 if (vsi != pf->vsi[pf->lan_vsi]) 623 return -EOPNOTSUPP; 624 625 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET && 626 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER && 627 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE && 628 hw->phy.link_info.link_info & I40E_AQ_LINK_UP) 629 return -EOPNOTSUPP; 630 631 if (hw->device_id == I40E_DEV_ID_KX_B || 632 hw->device_id == I40E_DEV_ID_KX_C || 633 hw->device_id == I40E_DEV_ID_20G_KR2 || 634 hw->device_id == I40E_DEV_ID_20G_KR2_A) { 635 netdev_info(netdev, "Changing settings is not supported on backplane.\n"); 636 return -EOPNOTSUPP; 637 } 638 639 /* get our own copy of the bits to check against */ 640 memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd)); 641 i40e_get_settings(netdev, &safe_ecmd); 642 643 /* save autoneg and speed out of ecmd */ 644 autoneg = ecmd->autoneg; 645 advertise = ecmd->advertising; 646 647 /* set autoneg and speed back to what they currently are */ 648 ecmd->autoneg = safe_ecmd.autoneg; 649 ecmd->advertising = safe_ecmd.advertising; 650 651 ecmd->cmd = safe_ecmd.cmd; 652 /* If ecmd and safe_ecmd are not the same now, then they are 653 * trying to set something that we do not support 654 */ 655 if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd))) 656 return -EOPNOTSUPP; 657 658 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state)) 659 usleep_range(1000, 2000); 660 661 /* Get the current phy config */ 662 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities, 663 NULL); 664 if (status) 665 return -EAGAIN; 666 667 /* Copy abilities to config in case autoneg is not 668 * set below 669 */ 670 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config)); 671 config.abilities = abilities.abilities; 672 673 /* Check autoneg */ 674 if (autoneg == AUTONEG_ENABLE) { 675 /* If autoneg was not already enabled */ 676 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) { 677 /* If autoneg is not supported, return error */ 678 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) { 679 netdev_info(netdev, "Autoneg not supported on this phy\n"); 680 return -EINVAL; 681 } 682 /* Autoneg is allowed to change */ 683 config.abilities = abilities.abilities | 684 I40E_AQ_PHY_ENABLE_AN; 685 change = true; 686 } 687 } else { 688 /* If autoneg is currently enabled */ 689 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) { 690 /* If autoneg is supported 10GBASE_T is the only PHY 691 * that can disable it, so otherwise return error 692 */ 693 if (safe_ecmd.supported & SUPPORTED_Autoneg && 694 hw->phy.link_info.phy_type != 695 I40E_PHY_TYPE_10GBASE_T) { 696 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 697 return -EINVAL; 698 } 699 /* Autoneg is allowed to change */ 700 config.abilities = abilities.abilities & 701 ~I40E_AQ_PHY_ENABLE_AN; 702 change = true; 703 } 704 } 705 706 if (advertise & ~safe_ecmd.supported) 707 return -EINVAL; 708 709 if (advertise & ADVERTISED_100baseT_Full) 710 config.link_speed |= I40E_LINK_SPEED_100MB; 711 if (advertise & ADVERTISED_1000baseT_Full || 712 advertise & ADVERTISED_1000baseKX_Full) 713 config.link_speed |= I40E_LINK_SPEED_1GB; 714 if (advertise & ADVERTISED_10000baseT_Full || 715 advertise & ADVERTISED_10000baseKX4_Full || 716 advertise & ADVERTISED_10000baseKR_Full) 717 config.link_speed |= I40E_LINK_SPEED_10GB; 718 if (advertise & ADVERTISED_20000baseKR2_Full) 719 config.link_speed |= I40E_LINK_SPEED_20GB; 720 if (advertise & ADVERTISED_40000baseKR4_Full || 721 advertise & ADVERTISED_40000baseCR4_Full || 722 advertise & ADVERTISED_40000baseSR4_Full || 723 advertise & ADVERTISED_40000baseLR4_Full) 724 config.link_speed |= I40E_LINK_SPEED_40GB; 725 726 /* If speed didn't get set, set it to what it currently is. 727 * This is needed because if advertise is 0 (as it is when autoneg 728 * is disabled) then speed won't get set. 729 */ 730 if (!config.link_speed) 731 config.link_speed = abilities.link_speed; 732 733 if (change || (abilities.link_speed != config.link_speed)) { 734 /* copy over the rest of the abilities */ 735 config.phy_type = abilities.phy_type; 736 config.eee_capability = abilities.eee_capability; 737 config.eeer = abilities.eeer_val; 738 config.low_power_ctrl = abilities.d3_lpan; 739 740 /* save the requested speeds */ 741 hw->phy.link_info.requested_speeds = config.link_speed; 742 /* set link and auto negotiation so changes take effect */ 743 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK; 744 /* If link is up put link down */ 745 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) { 746 /* Tell the OS link is going down, the link will go 747 * back up when fw says it is ready asynchronously 748 */ 749 i40e_print_link_message(vsi, false); 750 netif_carrier_off(netdev); 751 netif_tx_stop_all_queues(netdev); 752 } 753 754 /* make the aq call */ 755 status = i40e_aq_set_phy_config(hw, &config, NULL); 756 if (status) { 757 netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n", 758 i40e_stat_str(hw, status), 759 i40e_aq_str(hw, hw->aq.asq_last_status)); 760 return -EAGAIN; 761 } 762 763 status = i40e_update_link_info(hw); 764 if (status) 765 netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n", 766 i40e_stat_str(hw, status), 767 i40e_aq_str(hw, hw->aq.asq_last_status)); 768 769 } else { 770 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 771 } 772 773 return err; 774 } 775 776 static int i40e_nway_reset(struct net_device *netdev) 777 { 778 /* restart autonegotiation */ 779 struct i40e_netdev_priv *np = netdev_priv(netdev); 780 struct i40e_pf *pf = np->vsi->back; 781 struct i40e_hw *hw = &pf->hw; 782 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP; 783 i40e_status ret = 0; 784 785 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL); 786 if (ret) { 787 netdev_info(netdev, "link restart failed, err %s aq_err %s\n", 788 i40e_stat_str(hw, ret), 789 i40e_aq_str(hw, hw->aq.asq_last_status)); 790 return -EIO; 791 } 792 793 return 0; 794 } 795 796 /** 797 * i40e_get_pauseparam - Get Flow Control status 798 * Return tx/rx-pause status 799 **/ 800 static void i40e_get_pauseparam(struct net_device *netdev, 801 struct ethtool_pauseparam *pause) 802 { 803 struct i40e_netdev_priv *np = netdev_priv(netdev); 804 struct i40e_pf *pf = np->vsi->back; 805 struct i40e_hw *hw = &pf->hw; 806 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 807 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 808 809 pause->autoneg = 810 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 811 AUTONEG_ENABLE : AUTONEG_DISABLE); 812 813 /* PFC enabled so report LFC as off */ 814 if (dcbx_cfg->pfc.pfcenable) { 815 pause->rx_pause = 0; 816 pause->tx_pause = 0; 817 return; 818 } 819 820 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) { 821 pause->rx_pause = 1; 822 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) { 823 pause->tx_pause = 1; 824 } else if (hw->fc.current_mode == I40E_FC_FULL) { 825 pause->rx_pause = 1; 826 pause->tx_pause = 1; 827 } 828 } 829 830 /** 831 * i40e_set_pauseparam - Set Flow Control parameter 832 * @netdev: network interface device structure 833 * @pause: return tx/rx flow control status 834 **/ 835 static int i40e_set_pauseparam(struct net_device *netdev, 836 struct ethtool_pauseparam *pause) 837 { 838 struct i40e_netdev_priv *np = netdev_priv(netdev); 839 struct i40e_pf *pf = np->vsi->back; 840 struct i40e_vsi *vsi = np->vsi; 841 struct i40e_hw *hw = &pf->hw; 842 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 843 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 844 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 845 i40e_status status; 846 u8 aq_failures; 847 int err = 0; 848 849 /* Changing the port's flow control is not supported if this isn't the 850 * port's controlling PF 851 */ 852 if (hw->partition_id != 1) { 853 i40e_partition_setting_complaint(pf); 854 return -EOPNOTSUPP; 855 } 856 857 if (vsi != pf->vsi[pf->lan_vsi]) 858 return -EOPNOTSUPP; 859 860 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 861 AUTONEG_ENABLE : AUTONEG_DISABLE)) { 862 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 863 return -EOPNOTSUPP; 864 } 865 866 /* If we have link and don't have autoneg */ 867 if (!test_bit(__I40E_DOWN, &pf->state) && 868 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) { 869 /* Send message that it might not necessarily work*/ 870 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 871 } 872 873 if (dcbx_cfg->pfc.pfcenable) { 874 netdev_info(netdev, 875 "Priority flow control enabled. Cannot set link flow control.\n"); 876 return -EOPNOTSUPP; 877 } 878 879 if (pause->rx_pause && pause->tx_pause) 880 hw->fc.requested_mode = I40E_FC_FULL; 881 else if (pause->rx_pause && !pause->tx_pause) 882 hw->fc.requested_mode = I40E_FC_RX_PAUSE; 883 else if (!pause->rx_pause && pause->tx_pause) 884 hw->fc.requested_mode = I40E_FC_TX_PAUSE; 885 else if (!pause->rx_pause && !pause->tx_pause) 886 hw->fc.requested_mode = I40E_FC_NONE; 887 else 888 return -EINVAL; 889 890 /* Tell the OS link is going down, the link will go back up when fw 891 * says it is ready asynchronously 892 */ 893 i40e_print_link_message(vsi, false); 894 netif_carrier_off(netdev); 895 netif_tx_stop_all_queues(netdev); 896 897 /* Set the fc mode and only restart an if link is up*/ 898 status = i40e_set_fc(hw, &aq_failures, link_up); 899 900 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) { 901 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 902 i40e_stat_str(hw, status), 903 i40e_aq_str(hw, hw->aq.asq_last_status)); 904 err = -EAGAIN; 905 } 906 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) { 907 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 908 i40e_stat_str(hw, status), 909 i40e_aq_str(hw, hw->aq.asq_last_status)); 910 err = -EAGAIN; 911 } 912 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) { 913 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 914 i40e_stat_str(hw, status), 915 i40e_aq_str(hw, hw->aq.asq_last_status)); 916 err = -EAGAIN; 917 } 918 919 if (!test_bit(__I40E_DOWN, &pf->state)) { 920 /* Give it a little more time to try to come back */ 921 msleep(75); 922 if (!test_bit(__I40E_DOWN, &pf->state)) 923 return i40e_nway_reset(netdev); 924 } 925 926 return err; 927 } 928 929 static u32 i40e_get_msglevel(struct net_device *netdev) 930 { 931 struct i40e_netdev_priv *np = netdev_priv(netdev); 932 struct i40e_pf *pf = np->vsi->back; 933 934 return pf->msg_enable; 935 } 936 937 static void i40e_set_msglevel(struct net_device *netdev, u32 data) 938 { 939 struct i40e_netdev_priv *np = netdev_priv(netdev); 940 struct i40e_pf *pf = np->vsi->back; 941 942 if (I40E_DEBUG_USER & data) 943 pf->hw.debug_mask = data; 944 pf->msg_enable = data; 945 } 946 947 static int i40e_get_regs_len(struct net_device *netdev) 948 { 949 int reg_count = 0; 950 int i; 951 952 for (i = 0; i40e_reg_list[i].offset != 0; i++) 953 reg_count += i40e_reg_list[i].elements; 954 955 return reg_count * sizeof(u32); 956 } 957 958 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs, 959 void *p) 960 { 961 struct i40e_netdev_priv *np = netdev_priv(netdev); 962 struct i40e_pf *pf = np->vsi->back; 963 struct i40e_hw *hw = &pf->hw; 964 u32 *reg_buf = p; 965 int i, j, ri; 966 u32 reg; 967 968 /* Tell ethtool which driver-version-specific regs output we have. 969 * 970 * At some point, if we have ethtool doing special formatting of 971 * this data, it will rely on this version number to know how to 972 * interpret things. Hence, this needs to be updated if/when the 973 * diags register table is changed. 974 */ 975 regs->version = 1; 976 977 /* loop through the diags reg table for what to print */ 978 ri = 0; 979 for (i = 0; i40e_reg_list[i].offset != 0; i++) { 980 for (j = 0; j < i40e_reg_list[i].elements; j++) { 981 reg = i40e_reg_list[i].offset 982 + (j * i40e_reg_list[i].stride); 983 reg_buf[ri++] = rd32(hw, reg); 984 } 985 } 986 987 } 988 989 static int i40e_get_eeprom(struct net_device *netdev, 990 struct ethtool_eeprom *eeprom, u8 *bytes) 991 { 992 struct i40e_netdev_priv *np = netdev_priv(netdev); 993 struct i40e_hw *hw = &np->vsi->back->hw; 994 struct i40e_pf *pf = np->vsi->back; 995 int ret_val = 0, len, offset; 996 u8 *eeprom_buff; 997 u16 i, sectors; 998 bool last; 999 u32 magic; 1000 1001 #define I40E_NVM_SECTOR_SIZE 4096 1002 if (eeprom->len == 0) 1003 return -EINVAL; 1004 1005 /* check for NVMUpdate access method */ 1006 magic = hw->vendor_id | (hw->device_id << 16); 1007 if (eeprom->magic && eeprom->magic != magic) { 1008 struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom; 1009 int errno = 0; 1010 1011 /* make sure it is the right magic for NVMUpdate */ 1012 if ((eeprom->magic >> 16) != hw->device_id) 1013 errno = -EINVAL; 1014 else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 1015 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 1016 errno = -EBUSY; 1017 else 1018 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 1019 1020 if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM)) 1021 dev_info(&pf->pdev->dev, 1022 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 1023 ret_val, hw->aq.asq_last_status, errno, 1024 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 1025 cmd->offset, cmd->data_size); 1026 1027 return errno; 1028 } 1029 1030 /* normal ethtool get_eeprom support */ 1031 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 1032 1033 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL); 1034 if (!eeprom_buff) 1035 return -ENOMEM; 1036 1037 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); 1038 if (ret_val) { 1039 dev_info(&pf->pdev->dev, 1040 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1041 ret_val, hw->aq.asq_last_status); 1042 goto free_buff; 1043 } 1044 1045 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE; 1046 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0; 1047 len = I40E_NVM_SECTOR_SIZE; 1048 last = false; 1049 for (i = 0; i < sectors; i++) { 1050 if (i == (sectors - 1)) { 1051 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i); 1052 last = true; 1053 } 1054 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i), 1055 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len, 1056 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i), 1057 last, NULL); 1058 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) { 1059 dev_info(&pf->pdev->dev, 1060 "read NVM failed, invalid offset 0x%x\n", 1061 offset); 1062 break; 1063 } else if (ret_val && 1064 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) { 1065 dev_info(&pf->pdev->dev, 1066 "read NVM failed, access, offset 0x%x\n", 1067 offset); 1068 break; 1069 } else if (ret_val) { 1070 dev_info(&pf->pdev->dev, 1071 "read NVM failed offset %d err=%d status=0x%x\n", 1072 offset, ret_val, hw->aq.asq_last_status); 1073 break; 1074 } 1075 } 1076 1077 i40e_release_nvm(hw); 1078 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len); 1079 free_buff: 1080 kfree(eeprom_buff); 1081 return ret_val; 1082 } 1083 1084 static int i40e_get_eeprom_len(struct net_device *netdev) 1085 { 1086 struct i40e_netdev_priv *np = netdev_priv(netdev); 1087 struct i40e_hw *hw = &np->vsi->back->hw; 1088 u32 val; 1089 1090 val = (rd32(hw, I40E_GLPCI_LBARCTRL) 1091 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK) 1092 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT; 1093 /* register returns value in power of 2, 64Kbyte chunks. */ 1094 val = (64 * 1024) * BIT(val); 1095 return val; 1096 } 1097 1098 static int i40e_set_eeprom(struct net_device *netdev, 1099 struct ethtool_eeprom *eeprom, u8 *bytes) 1100 { 1101 struct i40e_netdev_priv *np = netdev_priv(netdev); 1102 struct i40e_hw *hw = &np->vsi->back->hw; 1103 struct i40e_pf *pf = np->vsi->back; 1104 struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom; 1105 int ret_val = 0; 1106 int errno = 0; 1107 u32 magic; 1108 1109 /* normal ethtool set_eeprom is not supported */ 1110 magic = hw->vendor_id | (hw->device_id << 16); 1111 if (eeprom->magic == magic) 1112 errno = -EOPNOTSUPP; 1113 /* check for NVMUpdate access method */ 1114 else if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id) 1115 errno = -EINVAL; 1116 else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 1117 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 1118 errno = -EBUSY; 1119 else 1120 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 1121 1122 if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM)) 1123 dev_info(&pf->pdev->dev, 1124 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 1125 ret_val, hw->aq.asq_last_status, errno, 1126 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 1127 cmd->offset, cmd->data_size); 1128 1129 return errno; 1130 } 1131 1132 static void i40e_get_drvinfo(struct net_device *netdev, 1133 struct ethtool_drvinfo *drvinfo) 1134 { 1135 struct i40e_netdev_priv *np = netdev_priv(netdev); 1136 struct i40e_vsi *vsi = np->vsi; 1137 struct i40e_pf *pf = vsi->back; 1138 1139 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver)); 1140 strlcpy(drvinfo->version, i40e_driver_version_str, 1141 sizeof(drvinfo->version)); 1142 strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw), 1143 sizeof(drvinfo->fw_version)); 1144 strlcpy(drvinfo->bus_info, pci_name(pf->pdev), 1145 sizeof(drvinfo->bus_info)); 1146 } 1147 1148 static void i40e_get_ringparam(struct net_device *netdev, 1149 struct ethtool_ringparam *ring) 1150 { 1151 struct i40e_netdev_priv *np = netdev_priv(netdev); 1152 struct i40e_pf *pf = np->vsi->back; 1153 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; 1154 1155 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1156 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1157 ring->rx_mini_max_pending = 0; 1158 ring->rx_jumbo_max_pending = 0; 1159 ring->rx_pending = vsi->rx_rings[0]->count; 1160 ring->tx_pending = vsi->tx_rings[0]->count; 1161 ring->rx_mini_pending = 0; 1162 ring->rx_jumbo_pending = 0; 1163 } 1164 1165 static int i40e_set_ringparam(struct net_device *netdev, 1166 struct ethtool_ringparam *ring) 1167 { 1168 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL; 1169 struct i40e_netdev_priv *np = netdev_priv(netdev); 1170 struct i40e_vsi *vsi = np->vsi; 1171 struct i40e_pf *pf = vsi->back; 1172 u32 new_rx_count, new_tx_count; 1173 int i, err = 0; 1174 1175 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 1176 return -EINVAL; 1177 1178 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS || 1179 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS || 1180 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS || 1181 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) { 1182 netdev_info(netdev, 1183 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n", 1184 ring->tx_pending, ring->rx_pending, 1185 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS); 1186 return -EINVAL; 1187 } 1188 1189 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1190 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1191 1192 /* if nothing to do return success */ 1193 if ((new_tx_count == vsi->tx_rings[0]->count) && 1194 (new_rx_count == vsi->rx_rings[0]->count)) 1195 return 0; 1196 1197 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state)) 1198 usleep_range(1000, 2000); 1199 1200 if (!netif_running(vsi->netdev)) { 1201 /* simple case - set for the next time the netdev is started */ 1202 for (i = 0; i < vsi->num_queue_pairs; i++) { 1203 vsi->tx_rings[i]->count = new_tx_count; 1204 vsi->rx_rings[i]->count = new_rx_count; 1205 } 1206 goto done; 1207 } 1208 1209 /* We can't just free everything and then setup again, 1210 * because the ISRs in MSI-X mode get passed pointers 1211 * to the Tx and Rx ring structs. 1212 */ 1213 1214 /* alloc updated Tx resources */ 1215 if (new_tx_count != vsi->tx_rings[0]->count) { 1216 netdev_info(netdev, 1217 "Changing Tx descriptor count from %d to %d.\n", 1218 vsi->tx_rings[0]->count, new_tx_count); 1219 tx_rings = kcalloc(vsi->alloc_queue_pairs, 1220 sizeof(struct i40e_ring), GFP_KERNEL); 1221 if (!tx_rings) { 1222 err = -ENOMEM; 1223 goto done; 1224 } 1225 1226 for (i = 0; i < vsi->num_queue_pairs; i++) { 1227 /* clone ring and setup updated count */ 1228 tx_rings[i] = *vsi->tx_rings[i]; 1229 tx_rings[i].count = new_tx_count; 1230 /* the desc and bi pointers will be reallocated in the 1231 * setup call 1232 */ 1233 tx_rings[i].desc = NULL; 1234 tx_rings[i].rx_bi = NULL; 1235 err = i40e_setup_tx_descriptors(&tx_rings[i]); 1236 if (err) { 1237 while (i) { 1238 i--; 1239 i40e_free_tx_resources(&tx_rings[i]); 1240 } 1241 kfree(tx_rings); 1242 tx_rings = NULL; 1243 1244 goto done; 1245 } 1246 } 1247 } 1248 1249 /* alloc updated Rx resources */ 1250 if (new_rx_count != vsi->rx_rings[0]->count) { 1251 netdev_info(netdev, 1252 "Changing Rx descriptor count from %d to %d\n", 1253 vsi->rx_rings[0]->count, new_rx_count); 1254 rx_rings = kcalloc(vsi->alloc_queue_pairs, 1255 sizeof(struct i40e_ring), GFP_KERNEL); 1256 if (!rx_rings) { 1257 err = -ENOMEM; 1258 goto free_tx; 1259 } 1260 1261 for (i = 0; i < vsi->num_queue_pairs; i++) { 1262 /* clone ring and setup updated count */ 1263 rx_rings[i] = *vsi->rx_rings[i]; 1264 rx_rings[i].count = new_rx_count; 1265 /* the desc and bi pointers will be reallocated in the 1266 * setup call 1267 */ 1268 rx_rings[i].desc = NULL; 1269 rx_rings[i].rx_bi = NULL; 1270 err = i40e_setup_rx_descriptors(&rx_rings[i]); 1271 if (err) { 1272 while (i) { 1273 i--; 1274 i40e_free_rx_resources(&rx_rings[i]); 1275 } 1276 kfree(rx_rings); 1277 rx_rings = NULL; 1278 1279 goto free_tx; 1280 } 1281 } 1282 } 1283 1284 /* Bring interface down, copy in the new ring info, 1285 * then restore the interface 1286 */ 1287 i40e_down(vsi); 1288 1289 if (tx_rings) { 1290 for (i = 0; i < vsi->num_queue_pairs; i++) { 1291 i40e_free_tx_resources(vsi->tx_rings[i]); 1292 *vsi->tx_rings[i] = tx_rings[i]; 1293 } 1294 kfree(tx_rings); 1295 tx_rings = NULL; 1296 } 1297 1298 if (rx_rings) { 1299 for (i = 0; i < vsi->num_queue_pairs; i++) { 1300 i40e_free_rx_resources(vsi->rx_rings[i]); 1301 *vsi->rx_rings[i] = rx_rings[i]; 1302 } 1303 kfree(rx_rings); 1304 rx_rings = NULL; 1305 } 1306 1307 i40e_up(vsi); 1308 1309 free_tx: 1310 /* error cleanup if the Rx allocations failed after getting Tx */ 1311 if (tx_rings) { 1312 for (i = 0; i < vsi->num_queue_pairs; i++) 1313 i40e_free_tx_resources(&tx_rings[i]); 1314 kfree(tx_rings); 1315 tx_rings = NULL; 1316 } 1317 1318 done: 1319 clear_bit(__I40E_CONFIG_BUSY, &pf->state); 1320 1321 return err; 1322 } 1323 1324 static int i40e_get_sset_count(struct net_device *netdev, int sset) 1325 { 1326 struct i40e_netdev_priv *np = netdev_priv(netdev); 1327 struct i40e_vsi *vsi = np->vsi; 1328 struct i40e_pf *pf = vsi->back; 1329 1330 switch (sset) { 1331 case ETH_SS_TEST: 1332 return I40E_TEST_LEN; 1333 case ETH_SS_STATS: 1334 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) { 1335 int len = I40E_PF_STATS_LEN(netdev); 1336 1337 if ((pf->lan_veb != I40E_NO_VEB) && 1338 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) 1339 len += I40E_VEB_STATS_TOTAL; 1340 return len; 1341 } else { 1342 return I40E_VSI_STATS_LEN(netdev); 1343 } 1344 case ETH_SS_PRIV_FLAGS: 1345 return I40E_PRIV_FLAGS_STR_LEN; 1346 default: 1347 return -EOPNOTSUPP; 1348 } 1349 } 1350 1351 static void i40e_get_ethtool_stats(struct net_device *netdev, 1352 struct ethtool_stats *stats, u64 *data) 1353 { 1354 struct i40e_netdev_priv *np = netdev_priv(netdev); 1355 struct i40e_ring *tx_ring, *rx_ring; 1356 struct i40e_vsi *vsi = np->vsi; 1357 struct i40e_pf *pf = vsi->back; 1358 int i = 0; 1359 char *p; 1360 int j; 1361 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi); 1362 unsigned int start; 1363 1364 i40e_update_stats(vsi); 1365 1366 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) { 1367 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset; 1368 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat == 1369 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1370 } 1371 for (j = 0; j < I40E_MISC_STATS_LEN; j++) { 1372 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset; 1373 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat == 1374 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1375 } 1376 #ifdef I40E_FCOE 1377 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) { 1378 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset; 1379 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat == 1380 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1381 } 1382 #endif 1383 rcu_read_lock(); 1384 for (j = 0; j < vsi->num_queue_pairs; j++) { 1385 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]); 1386 1387 if (!tx_ring) 1388 continue; 1389 1390 /* process Tx ring statistics */ 1391 do { 1392 start = u64_stats_fetch_begin_irq(&tx_ring->syncp); 1393 data[i] = tx_ring->stats.packets; 1394 data[i + 1] = tx_ring->stats.bytes; 1395 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start)); 1396 i += 2; 1397 1398 /* Rx ring is the 2nd half of the queue pair */ 1399 rx_ring = &tx_ring[1]; 1400 do { 1401 start = u64_stats_fetch_begin_irq(&rx_ring->syncp); 1402 data[i] = rx_ring->stats.packets; 1403 data[i + 1] = rx_ring->stats.bytes; 1404 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start)); 1405 i += 2; 1406 } 1407 rcu_read_unlock(); 1408 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1409 return; 1410 1411 if ((pf->lan_veb != I40E_NO_VEB) && 1412 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 1413 struct i40e_veb *veb = pf->veb[pf->lan_veb]; 1414 1415 for (j = 0; j < I40E_VEB_STATS_LEN; j++) { 1416 p = (char *)veb; 1417 p += i40e_gstrings_veb_stats[j].stat_offset; 1418 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat == 1419 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1420 } 1421 for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) { 1422 data[i++] = veb->tc_stats.tc_tx_packets[j]; 1423 data[i++] = veb->tc_stats.tc_tx_bytes[j]; 1424 data[i++] = veb->tc_stats.tc_rx_packets[j]; 1425 data[i++] = veb->tc_stats.tc_rx_bytes[j]; 1426 } 1427 } 1428 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) { 1429 p = (char *)pf + i40e_gstrings_stats[j].stat_offset; 1430 data[i++] = (i40e_gstrings_stats[j].sizeof_stat == 1431 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1432 } 1433 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1434 data[i++] = pf->stats.priority_xon_tx[j]; 1435 data[i++] = pf->stats.priority_xoff_tx[j]; 1436 } 1437 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1438 data[i++] = pf->stats.priority_xon_rx[j]; 1439 data[i++] = pf->stats.priority_xoff_rx[j]; 1440 } 1441 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) 1442 data[i++] = pf->stats.priority_xon_2_xoff[j]; 1443 } 1444 1445 static void i40e_get_strings(struct net_device *netdev, u32 stringset, 1446 u8 *data) 1447 { 1448 struct i40e_netdev_priv *np = netdev_priv(netdev); 1449 struct i40e_vsi *vsi = np->vsi; 1450 struct i40e_pf *pf = vsi->back; 1451 char *p = (char *)data; 1452 int i; 1453 1454 switch (stringset) { 1455 case ETH_SS_TEST: 1456 for (i = 0; i < I40E_TEST_LEN; i++) { 1457 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN); 1458 data += ETH_GSTRING_LEN; 1459 } 1460 break; 1461 case ETH_SS_STATS: 1462 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) { 1463 snprintf(p, ETH_GSTRING_LEN, "%s", 1464 i40e_gstrings_net_stats[i].stat_string); 1465 p += ETH_GSTRING_LEN; 1466 } 1467 for (i = 0; i < I40E_MISC_STATS_LEN; i++) { 1468 snprintf(p, ETH_GSTRING_LEN, "%s", 1469 i40e_gstrings_misc_stats[i].stat_string); 1470 p += ETH_GSTRING_LEN; 1471 } 1472 #ifdef I40E_FCOE 1473 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) { 1474 snprintf(p, ETH_GSTRING_LEN, "%s", 1475 i40e_gstrings_fcoe_stats[i].stat_string); 1476 p += ETH_GSTRING_LEN; 1477 } 1478 #endif 1479 for (i = 0; i < vsi->num_queue_pairs; i++) { 1480 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i); 1481 p += ETH_GSTRING_LEN; 1482 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i); 1483 p += ETH_GSTRING_LEN; 1484 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i); 1485 p += ETH_GSTRING_LEN; 1486 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i); 1487 p += ETH_GSTRING_LEN; 1488 } 1489 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1490 return; 1491 1492 if ((pf->lan_veb != I40E_NO_VEB) && 1493 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 1494 for (i = 0; i < I40E_VEB_STATS_LEN; i++) { 1495 snprintf(p, ETH_GSTRING_LEN, "veb.%s", 1496 i40e_gstrings_veb_stats[i].stat_string); 1497 p += ETH_GSTRING_LEN; 1498 } 1499 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1500 snprintf(p, ETH_GSTRING_LEN, 1501 "veb.tc_%u_tx_packets", i); 1502 p += ETH_GSTRING_LEN; 1503 snprintf(p, ETH_GSTRING_LEN, 1504 "veb.tc_%u_tx_bytes", i); 1505 p += ETH_GSTRING_LEN; 1506 snprintf(p, ETH_GSTRING_LEN, 1507 "veb.tc_%u_rx_packets", i); 1508 p += ETH_GSTRING_LEN; 1509 snprintf(p, ETH_GSTRING_LEN, 1510 "veb.tc_%u_rx_bytes", i); 1511 p += ETH_GSTRING_LEN; 1512 } 1513 } 1514 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) { 1515 snprintf(p, ETH_GSTRING_LEN, "port.%s", 1516 i40e_gstrings_stats[i].stat_string); 1517 p += ETH_GSTRING_LEN; 1518 } 1519 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1520 snprintf(p, ETH_GSTRING_LEN, 1521 "port.tx_priority_%u_xon", i); 1522 p += ETH_GSTRING_LEN; 1523 snprintf(p, ETH_GSTRING_LEN, 1524 "port.tx_priority_%u_xoff", i); 1525 p += ETH_GSTRING_LEN; 1526 } 1527 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1528 snprintf(p, ETH_GSTRING_LEN, 1529 "port.rx_priority_%u_xon", i); 1530 p += ETH_GSTRING_LEN; 1531 snprintf(p, ETH_GSTRING_LEN, 1532 "port.rx_priority_%u_xoff", i); 1533 p += ETH_GSTRING_LEN; 1534 } 1535 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1536 snprintf(p, ETH_GSTRING_LEN, 1537 "port.rx_priority_%u_xon_2_xoff", i); 1538 p += ETH_GSTRING_LEN; 1539 } 1540 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */ 1541 break; 1542 case ETH_SS_PRIV_FLAGS: 1543 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) { 1544 memcpy(data, i40e_priv_flags_strings[i], 1545 ETH_GSTRING_LEN); 1546 data += ETH_GSTRING_LEN; 1547 } 1548 break; 1549 default: 1550 break; 1551 } 1552 } 1553 1554 static int i40e_get_ts_info(struct net_device *dev, 1555 struct ethtool_ts_info *info) 1556 { 1557 struct i40e_pf *pf = i40e_netdev_to_pf(dev); 1558 1559 /* only report HW timestamping if PTP is enabled */ 1560 if (!(pf->flags & I40E_FLAG_PTP)) 1561 return ethtool_op_get_ts_info(dev, info); 1562 1563 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 1564 SOF_TIMESTAMPING_RX_SOFTWARE | 1565 SOF_TIMESTAMPING_SOFTWARE | 1566 SOF_TIMESTAMPING_TX_HARDWARE | 1567 SOF_TIMESTAMPING_RX_HARDWARE | 1568 SOF_TIMESTAMPING_RAW_HARDWARE; 1569 1570 if (pf->ptp_clock) 1571 info->phc_index = ptp_clock_index(pf->ptp_clock); 1572 else 1573 info->phc_index = -1; 1574 1575 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 1576 1577 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | 1578 BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | 1579 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT); 1580 1581 return 0; 1582 } 1583 1584 static int i40e_link_test(struct net_device *netdev, u64 *data) 1585 { 1586 struct i40e_netdev_priv *np = netdev_priv(netdev); 1587 struct i40e_pf *pf = np->vsi->back; 1588 i40e_status status; 1589 bool link_up = false; 1590 1591 netif_info(pf, hw, netdev, "link test\n"); 1592 status = i40e_get_link_status(&pf->hw, &link_up); 1593 if (status) { 1594 netif_err(pf, drv, netdev, "link query timed out, please retry test\n"); 1595 *data = 1; 1596 return *data; 1597 } 1598 1599 if (link_up) 1600 *data = 0; 1601 else 1602 *data = 1; 1603 1604 return *data; 1605 } 1606 1607 static int i40e_reg_test(struct net_device *netdev, u64 *data) 1608 { 1609 struct i40e_netdev_priv *np = netdev_priv(netdev); 1610 struct i40e_pf *pf = np->vsi->back; 1611 1612 netif_info(pf, hw, netdev, "register test\n"); 1613 *data = i40e_diag_reg_test(&pf->hw); 1614 1615 return *data; 1616 } 1617 1618 static int i40e_eeprom_test(struct net_device *netdev, u64 *data) 1619 { 1620 struct i40e_netdev_priv *np = netdev_priv(netdev); 1621 struct i40e_pf *pf = np->vsi->back; 1622 1623 netif_info(pf, hw, netdev, "eeprom test\n"); 1624 *data = i40e_diag_eeprom_test(&pf->hw); 1625 1626 /* forcebly clear the NVM Update state machine */ 1627 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT; 1628 1629 return *data; 1630 } 1631 1632 static int i40e_intr_test(struct net_device *netdev, u64 *data) 1633 { 1634 struct i40e_netdev_priv *np = netdev_priv(netdev); 1635 struct i40e_pf *pf = np->vsi->back; 1636 u16 swc_old = pf->sw_int_count; 1637 1638 netif_info(pf, hw, netdev, "interrupt test\n"); 1639 wr32(&pf->hw, I40E_PFINT_DYN_CTL0, 1640 (I40E_PFINT_DYN_CTL0_INTENA_MASK | 1641 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK | 1642 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK | 1643 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK | 1644 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK)); 1645 usleep_range(1000, 2000); 1646 *data = (swc_old == pf->sw_int_count); 1647 1648 return *data; 1649 } 1650 1651 static int i40e_loopback_test(struct net_device *netdev, u64 *data) 1652 { 1653 struct i40e_netdev_priv *np = netdev_priv(netdev); 1654 struct i40e_pf *pf = np->vsi->back; 1655 1656 netif_info(pf, hw, netdev, "loopback test not implemented\n"); 1657 *data = 0; 1658 1659 return *data; 1660 } 1661 1662 static inline bool i40e_active_vfs(struct i40e_pf *pf) 1663 { 1664 struct i40e_vf *vfs = pf->vf; 1665 int i; 1666 1667 for (i = 0; i < pf->num_alloc_vfs; i++) 1668 if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states)) 1669 return true; 1670 return false; 1671 } 1672 1673 static inline bool i40e_active_vmdqs(struct i40e_pf *pf) 1674 { 1675 struct i40e_vsi **vsi = pf->vsi; 1676 int i; 1677 1678 for (i = 0; i < pf->num_alloc_vsi; i++) { 1679 if (!vsi[i]) 1680 continue; 1681 if (vsi[i]->type == I40E_VSI_VMDQ2) 1682 return true; 1683 } 1684 1685 return false; 1686 } 1687 1688 static void i40e_diag_test(struct net_device *netdev, 1689 struct ethtool_test *eth_test, u64 *data) 1690 { 1691 struct i40e_netdev_priv *np = netdev_priv(netdev); 1692 bool if_running = netif_running(netdev); 1693 struct i40e_pf *pf = np->vsi->back; 1694 1695 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1696 /* Offline tests */ 1697 netif_info(pf, drv, netdev, "offline testing starting\n"); 1698 1699 set_bit(__I40E_TESTING, &pf->state); 1700 1701 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) { 1702 dev_warn(&pf->pdev->dev, 1703 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 1704 data[I40E_ETH_TEST_REG] = 1; 1705 data[I40E_ETH_TEST_EEPROM] = 1; 1706 data[I40E_ETH_TEST_INTR] = 1; 1707 data[I40E_ETH_TEST_LOOPBACK] = 1; 1708 data[I40E_ETH_TEST_LINK] = 1; 1709 eth_test->flags |= ETH_TEST_FL_FAILED; 1710 clear_bit(__I40E_TESTING, &pf->state); 1711 goto skip_ol_tests; 1712 } 1713 1714 /* If the device is online then take it offline */ 1715 if (if_running) 1716 /* indicate we're in test mode */ 1717 dev_close(netdev); 1718 else 1719 /* This reset does not affect link - if it is 1720 * changed to a type of reset that does affect 1721 * link then the following link test would have 1722 * to be moved to before the reset 1723 */ 1724 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1725 1726 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1727 eth_test->flags |= ETH_TEST_FL_FAILED; 1728 1729 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM])) 1730 eth_test->flags |= ETH_TEST_FL_FAILED; 1731 1732 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR])) 1733 eth_test->flags |= ETH_TEST_FL_FAILED; 1734 1735 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK])) 1736 eth_test->flags |= ETH_TEST_FL_FAILED; 1737 1738 /* run reg test last, a reset is required after it */ 1739 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG])) 1740 eth_test->flags |= ETH_TEST_FL_FAILED; 1741 1742 clear_bit(__I40E_TESTING, &pf->state); 1743 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1744 1745 if (if_running) 1746 dev_open(netdev); 1747 } else { 1748 /* Online tests */ 1749 netif_info(pf, drv, netdev, "online testing starting\n"); 1750 1751 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1752 eth_test->flags |= ETH_TEST_FL_FAILED; 1753 1754 /* Offline only tests, not run in online; pass by default */ 1755 data[I40E_ETH_TEST_REG] = 0; 1756 data[I40E_ETH_TEST_EEPROM] = 0; 1757 data[I40E_ETH_TEST_INTR] = 0; 1758 data[I40E_ETH_TEST_LOOPBACK] = 0; 1759 } 1760 1761 skip_ol_tests: 1762 1763 netif_info(pf, drv, netdev, "testing finished\n"); 1764 } 1765 1766 static void i40e_get_wol(struct net_device *netdev, 1767 struct ethtool_wolinfo *wol) 1768 { 1769 struct i40e_netdev_priv *np = netdev_priv(netdev); 1770 struct i40e_pf *pf = np->vsi->back; 1771 struct i40e_hw *hw = &pf->hw; 1772 u16 wol_nvm_bits; 1773 1774 /* NVM bit on means WoL disabled for the port */ 1775 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1776 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) { 1777 wol->supported = 0; 1778 wol->wolopts = 0; 1779 } else { 1780 wol->supported = WAKE_MAGIC; 1781 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0); 1782 } 1783 } 1784 1785 /** 1786 * i40e_set_wol - set the WakeOnLAN configuration 1787 * @netdev: the netdev in question 1788 * @wol: the ethtool WoL setting data 1789 **/ 1790 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1791 { 1792 struct i40e_netdev_priv *np = netdev_priv(netdev); 1793 struct i40e_pf *pf = np->vsi->back; 1794 struct i40e_vsi *vsi = np->vsi; 1795 struct i40e_hw *hw = &pf->hw; 1796 u16 wol_nvm_bits; 1797 1798 /* WoL not supported if this isn't the controlling PF on the port */ 1799 if (hw->partition_id != 1) { 1800 i40e_partition_setting_complaint(pf); 1801 return -EOPNOTSUPP; 1802 } 1803 1804 if (vsi != pf->vsi[pf->lan_vsi]) 1805 return -EOPNOTSUPP; 1806 1807 /* NVM bit on means WoL disabled for the port */ 1808 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1809 if (BIT(hw->port) & wol_nvm_bits) 1810 return -EOPNOTSUPP; 1811 1812 /* only magic packet is supported */ 1813 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC)) 1814 return -EOPNOTSUPP; 1815 1816 /* is this a new value? */ 1817 if (pf->wol_en != !!wol->wolopts) { 1818 pf->wol_en = !!wol->wolopts; 1819 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en); 1820 } 1821 1822 return 0; 1823 } 1824 1825 static int i40e_set_phys_id(struct net_device *netdev, 1826 enum ethtool_phys_id_state state) 1827 { 1828 struct i40e_netdev_priv *np = netdev_priv(netdev); 1829 i40e_status ret = 0; 1830 struct i40e_pf *pf = np->vsi->back; 1831 struct i40e_hw *hw = &pf->hw; 1832 int blink_freq = 2; 1833 u16 temp_status; 1834 1835 switch (state) { 1836 case ETHTOOL_ID_ACTIVE: 1837 if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY)) { 1838 pf->led_status = i40e_led_get(hw); 1839 } else { 1840 i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_PORT, NULL); 1841 ret = i40e_led_get_phy(hw, &temp_status, 1842 &pf->phy_led_val); 1843 pf->led_status = temp_status; 1844 } 1845 return blink_freq; 1846 case ETHTOOL_ID_ON: 1847 if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY)) 1848 i40e_led_set(hw, 0xf, false); 1849 else 1850 ret = i40e_led_set_phy(hw, true, pf->led_status, 0); 1851 break; 1852 case ETHTOOL_ID_OFF: 1853 if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY)) 1854 i40e_led_set(hw, 0x0, false); 1855 else 1856 ret = i40e_led_set_phy(hw, false, pf->led_status, 0); 1857 break; 1858 case ETHTOOL_ID_INACTIVE: 1859 if (!(pf->flags & I40E_FLAG_HAVE_10GBASET_PHY)) { 1860 i40e_led_set(hw, false, pf->led_status); 1861 } else { 1862 ret = i40e_led_set_phy(hw, false, pf->led_status, 1863 (pf->phy_led_val | 1864 I40E_PHY_LED_MODE_ORIG)); 1865 i40e_aq_set_phy_debug(hw, 0, NULL); 1866 } 1867 break; 1868 default: 1869 break; 1870 } 1871 if (ret) 1872 return -ENOENT; 1873 else 1874 return 0; 1875 } 1876 1877 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt 1878 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also 1879 * 125us (8000 interrupts per second) == ITR(62) 1880 */ 1881 1882 static int __i40e_get_coalesce(struct net_device *netdev, 1883 struct ethtool_coalesce *ec, 1884 int queue) 1885 { 1886 struct i40e_netdev_priv *np = netdev_priv(netdev); 1887 struct i40e_vsi *vsi = np->vsi; 1888 1889 ec->tx_max_coalesced_frames_irq = vsi->work_limit; 1890 ec->rx_max_coalesced_frames_irq = vsi->work_limit; 1891 1892 /* rx and tx usecs has per queue value. If user doesn't specify the queue, 1893 * return queue 0's value to represent. 1894 */ 1895 if (queue < 0) { 1896 queue = 0; 1897 } else if (queue >= vsi->num_queue_pairs) { 1898 return -EINVAL; 1899 } 1900 1901 if (ITR_IS_DYNAMIC(vsi->rx_rings[queue]->rx_itr_setting)) 1902 ec->use_adaptive_rx_coalesce = 1; 1903 1904 if (ITR_IS_DYNAMIC(vsi->tx_rings[queue]->tx_itr_setting)) 1905 ec->use_adaptive_tx_coalesce = 1; 1906 1907 ec->rx_coalesce_usecs = vsi->rx_rings[queue]->rx_itr_setting & ~I40E_ITR_DYNAMIC; 1908 ec->tx_coalesce_usecs = vsi->tx_rings[queue]->tx_itr_setting & ~I40E_ITR_DYNAMIC; 1909 1910 /* we use the _usecs_high to store/set the interrupt rate limit 1911 * that the hardware supports, that almost but not quite 1912 * fits the original intent of the ethtool variable, 1913 * the rx_coalesce_usecs_high limits total interrupts 1914 * per second from both tx/rx sources. 1915 */ 1916 ec->rx_coalesce_usecs_high = vsi->int_rate_limit; 1917 ec->tx_coalesce_usecs_high = vsi->int_rate_limit; 1918 1919 return 0; 1920 } 1921 1922 static int i40e_get_coalesce(struct net_device *netdev, 1923 struct ethtool_coalesce *ec) 1924 { 1925 return __i40e_get_coalesce(netdev, ec, -1); 1926 } 1927 1928 static int i40e_get_per_queue_coalesce(struct net_device *netdev, u32 queue, 1929 struct ethtool_coalesce *ec) 1930 { 1931 return __i40e_get_coalesce(netdev, ec, queue); 1932 } 1933 1934 static void i40e_set_itr_per_queue(struct i40e_vsi *vsi, 1935 struct ethtool_coalesce *ec, 1936 int queue) 1937 { 1938 struct i40e_pf *pf = vsi->back; 1939 struct i40e_hw *hw = &pf->hw; 1940 struct i40e_q_vector *q_vector; 1941 u16 vector, intrl; 1942 1943 intrl = INTRL_USEC_TO_REG(vsi->int_rate_limit); 1944 1945 vsi->rx_rings[queue]->rx_itr_setting = ec->rx_coalesce_usecs; 1946 vsi->tx_rings[queue]->tx_itr_setting = ec->tx_coalesce_usecs; 1947 1948 if (ec->use_adaptive_rx_coalesce) 1949 vsi->rx_rings[queue]->rx_itr_setting |= I40E_ITR_DYNAMIC; 1950 else 1951 vsi->rx_rings[queue]->rx_itr_setting &= ~I40E_ITR_DYNAMIC; 1952 1953 if (ec->use_adaptive_tx_coalesce) 1954 vsi->tx_rings[queue]->tx_itr_setting |= I40E_ITR_DYNAMIC; 1955 else 1956 vsi->tx_rings[queue]->tx_itr_setting &= ~I40E_ITR_DYNAMIC; 1957 1958 q_vector = vsi->rx_rings[queue]->q_vector; 1959 q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[queue]->rx_itr_setting); 1960 vector = vsi->base_vector + q_vector->v_idx; 1961 wr32(hw, I40E_PFINT_ITRN(I40E_RX_ITR, vector - 1), q_vector->rx.itr); 1962 1963 q_vector = vsi->tx_rings[queue]->q_vector; 1964 q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[queue]->tx_itr_setting); 1965 vector = vsi->base_vector + q_vector->v_idx; 1966 wr32(hw, I40E_PFINT_ITRN(I40E_TX_ITR, vector - 1), q_vector->tx.itr); 1967 1968 wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl); 1969 i40e_flush(hw); 1970 } 1971 1972 static int __i40e_set_coalesce(struct net_device *netdev, 1973 struct ethtool_coalesce *ec, 1974 int queue) 1975 { 1976 struct i40e_netdev_priv *np = netdev_priv(netdev); 1977 struct i40e_vsi *vsi = np->vsi; 1978 struct i40e_pf *pf = vsi->back; 1979 int i; 1980 1981 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) 1982 vsi->work_limit = ec->tx_max_coalesced_frames_irq; 1983 1984 /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */ 1985 if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) { 1986 netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n"); 1987 return -EINVAL; 1988 } 1989 1990 if (ec->rx_coalesce_usecs_high >= INTRL_REG_TO_USEC(I40E_MAX_INTRL)) { 1991 netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-235\n"); 1992 return -EINVAL; 1993 } 1994 1995 if (ec->rx_coalesce_usecs == 0) { 1996 if (ec->use_adaptive_rx_coalesce) 1997 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n"); 1998 } else if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) || 1999 (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) { 2000 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n"); 2001 return -EINVAL; 2002 } 2003 2004 vsi->int_rate_limit = ec->rx_coalesce_usecs_high; 2005 2006 if (ec->tx_coalesce_usecs == 0) { 2007 if (ec->use_adaptive_tx_coalesce) 2008 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n"); 2009 } else if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) || 2010 (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) { 2011 netif_info(pf, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n"); 2012 return -EINVAL; 2013 } 2014 2015 /* rx and tx usecs has per queue value. If user doesn't specify the queue, 2016 * apply to all queues. 2017 */ 2018 if (queue < 0) { 2019 for (i = 0; i < vsi->num_queue_pairs; i++) 2020 i40e_set_itr_per_queue(vsi, ec, i); 2021 } else if (queue < vsi->num_queue_pairs) { 2022 i40e_set_itr_per_queue(vsi, ec, queue); 2023 } else { 2024 netif_info(pf, drv, netdev, "Invalid queue value, queue range is 0 - %d\n", 2025 vsi->num_queue_pairs - 1); 2026 return -EINVAL; 2027 } 2028 2029 return 0; 2030 } 2031 2032 static int i40e_set_coalesce(struct net_device *netdev, 2033 struct ethtool_coalesce *ec) 2034 { 2035 return __i40e_set_coalesce(netdev, ec, -1); 2036 } 2037 2038 static int i40e_set_per_queue_coalesce(struct net_device *netdev, u32 queue, 2039 struct ethtool_coalesce *ec) 2040 { 2041 return __i40e_set_coalesce(netdev, ec, queue); 2042 } 2043 2044 /** 2045 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type 2046 * @pf: pointer to the physical function struct 2047 * @cmd: ethtool rxnfc command 2048 * 2049 * Returns Success if the flow is supported, else Invalid Input. 2050 **/ 2051 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd) 2052 { 2053 cmd->data = 0; 2054 2055 if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) { 2056 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data; 2057 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type; 2058 return 0; 2059 } 2060 /* Report default options for RSS on i40e */ 2061 switch (cmd->flow_type) { 2062 case TCP_V4_FLOW: 2063 case UDP_V4_FLOW: 2064 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 2065 /* fall through to add IP fields */ 2066 case SCTP_V4_FLOW: 2067 case AH_ESP_V4_FLOW: 2068 case AH_V4_FLOW: 2069 case ESP_V4_FLOW: 2070 case IPV4_FLOW: 2071 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 2072 break; 2073 case TCP_V6_FLOW: 2074 case UDP_V6_FLOW: 2075 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 2076 /* fall through to add IP fields */ 2077 case SCTP_V6_FLOW: 2078 case AH_ESP_V6_FLOW: 2079 case AH_V6_FLOW: 2080 case ESP_V6_FLOW: 2081 case IPV6_FLOW: 2082 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 2083 break; 2084 default: 2085 return -EINVAL; 2086 } 2087 2088 return 0; 2089 } 2090 2091 /** 2092 * i40e_get_ethtool_fdir_all - Populates the rule count of a command 2093 * @pf: Pointer to the physical function struct 2094 * @cmd: The command to get or set Rx flow classification rules 2095 * @rule_locs: Array of used rule locations 2096 * 2097 * This function populates both the total and actual rule count of 2098 * the ethtool flow classification command 2099 * 2100 * Returns 0 on success or -EMSGSIZE if entry not found 2101 **/ 2102 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf, 2103 struct ethtool_rxnfc *cmd, 2104 u32 *rule_locs) 2105 { 2106 struct i40e_fdir_filter *rule; 2107 struct hlist_node *node2; 2108 int cnt = 0; 2109 2110 /* report total rule count */ 2111 cmd->data = i40e_get_fd_cnt_all(pf); 2112 2113 hlist_for_each_entry_safe(rule, node2, 2114 &pf->fdir_filter_list, fdir_node) { 2115 if (cnt == cmd->rule_cnt) 2116 return -EMSGSIZE; 2117 2118 rule_locs[cnt] = rule->fd_id; 2119 cnt++; 2120 } 2121 2122 cmd->rule_cnt = cnt; 2123 2124 return 0; 2125 } 2126 2127 /** 2128 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow 2129 * @pf: Pointer to the physical function struct 2130 * @cmd: The command to get or set Rx flow classification rules 2131 * 2132 * This function looks up a filter based on the Rx flow classification 2133 * command and fills the flow spec info for it if found 2134 * 2135 * Returns 0 on success or -EINVAL if filter not found 2136 **/ 2137 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf, 2138 struct ethtool_rxnfc *cmd) 2139 { 2140 struct ethtool_rx_flow_spec *fsp = 2141 (struct ethtool_rx_flow_spec *)&cmd->fs; 2142 struct i40e_fdir_filter *rule = NULL; 2143 struct hlist_node *node2; 2144 2145 hlist_for_each_entry_safe(rule, node2, 2146 &pf->fdir_filter_list, fdir_node) { 2147 if (fsp->location <= rule->fd_id) 2148 break; 2149 } 2150 2151 if (!rule || fsp->location != rule->fd_id) 2152 return -EINVAL; 2153 2154 fsp->flow_type = rule->flow_type; 2155 if (fsp->flow_type == IP_USER_FLOW) { 2156 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; 2157 fsp->h_u.usr_ip4_spec.proto = 0; 2158 fsp->m_u.usr_ip4_spec.proto = 0; 2159 } 2160 2161 /* Reverse the src and dest notion, since the HW views them from 2162 * Tx perspective where as the user expects it from Rx filter view. 2163 */ 2164 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port; 2165 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port; 2166 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0]; 2167 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0]; 2168 2169 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET) 2170 fsp->ring_cookie = RX_CLS_FLOW_DISC; 2171 else 2172 fsp->ring_cookie = rule->q_index; 2173 2174 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) { 2175 struct i40e_vsi *vsi; 2176 2177 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi); 2178 if (vsi && vsi->type == I40E_VSI_SRIOV) { 2179 fsp->h_ext.data[1] = htonl(vsi->vf_id); 2180 fsp->m_ext.data[1] = htonl(0x1); 2181 } 2182 } 2183 2184 return 0; 2185 } 2186 2187 /** 2188 * i40e_get_rxnfc - command to get RX flow classification rules 2189 * @netdev: network interface device structure 2190 * @cmd: ethtool rxnfc command 2191 * 2192 * Returns Success if the command is supported. 2193 **/ 2194 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2195 u32 *rule_locs) 2196 { 2197 struct i40e_netdev_priv *np = netdev_priv(netdev); 2198 struct i40e_vsi *vsi = np->vsi; 2199 struct i40e_pf *pf = vsi->back; 2200 int ret = -EOPNOTSUPP; 2201 2202 switch (cmd->cmd) { 2203 case ETHTOOL_GRXRINGS: 2204 cmd->data = vsi->num_queue_pairs; 2205 ret = 0; 2206 break; 2207 case ETHTOOL_GRXFH: 2208 ret = i40e_get_rss_hash_opts(pf, cmd); 2209 break; 2210 case ETHTOOL_GRXCLSRLCNT: 2211 cmd->rule_cnt = pf->fdir_pf_active_filters; 2212 /* report total rule count */ 2213 cmd->data = i40e_get_fd_cnt_all(pf); 2214 ret = 0; 2215 break; 2216 case ETHTOOL_GRXCLSRULE: 2217 ret = i40e_get_ethtool_fdir_entry(pf, cmd); 2218 break; 2219 case ETHTOOL_GRXCLSRLALL: 2220 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs); 2221 break; 2222 default: 2223 break; 2224 } 2225 2226 return ret; 2227 } 2228 2229 /** 2230 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2231 * @pf: pointer to the physical function struct 2232 * @cmd: ethtool rxnfc command 2233 * 2234 * Returns Success if the flow input set is supported. 2235 **/ 2236 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc) 2237 { 2238 struct i40e_hw *hw = &pf->hw; 2239 u64 hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) | 2240 ((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32); 2241 2242 /* RSS does not support anything other than hashing 2243 * to queues on src and dst IPs and ports 2244 */ 2245 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | 2246 RXH_L4_B_0_1 | RXH_L4_B_2_3)) 2247 return -EINVAL; 2248 2249 /* We need at least the IP SRC and DEST fields for hashing */ 2250 if (!(nfc->data & RXH_IP_SRC) || 2251 !(nfc->data & RXH_IP_DST)) 2252 return -EINVAL; 2253 2254 switch (nfc->flow_type) { 2255 case TCP_V4_FLOW: 2256 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2257 case 0: 2258 return -EINVAL; 2259 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2260 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) 2261 hena |= 2262 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK); 2263 2264 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP); 2265 break; 2266 default: 2267 return -EINVAL; 2268 } 2269 break; 2270 case TCP_V6_FLOW: 2271 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2272 case 0: 2273 return -EINVAL; 2274 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2275 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) 2276 hena |= 2277 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK); 2278 2279 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP); 2280 break; 2281 default: 2282 return -EINVAL; 2283 } 2284 break; 2285 case UDP_V4_FLOW: 2286 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2287 case 0: 2288 return -EINVAL; 2289 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2290 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) 2291 hena |= 2292 BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) | 2293 BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP); 2294 2295 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | 2296 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4)); 2297 break; 2298 default: 2299 return -EINVAL; 2300 } 2301 break; 2302 case UDP_V6_FLOW: 2303 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 2304 case 0: 2305 return -EINVAL; 2306 case (RXH_L4_B_0_1 | RXH_L4_B_2_3): 2307 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) 2308 hena |= 2309 BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) | 2310 BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP); 2311 2312 hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | 2313 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6)); 2314 break; 2315 default: 2316 return -EINVAL; 2317 } 2318 break; 2319 case AH_ESP_V4_FLOW: 2320 case AH_V4_FLOW: 2321 case ESP_V4_FLOW: 2322 case SCTP_V4_FLOW: 2323 if ((nfc->data & RXH_L4_B_0_1) || 2324 (nfc->data & RXH_L4_B_2_3)) 2325 return -EINVAL; 2326 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER); 2327 break; 2328 case AH_ESP_V6_FLOW: 2329 case AH_V6_FLOW: 2330 case ESP_V6_FLOW: 2331 case SCTP_V6_FLOW: 2332 if ((nfc->data & RXH_L4_B_0_1) || 2333 (nfc->data & RXH_L4_B_2_3)) 2334 return -EINVAL; 2335 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER); 2336 break; 2337 case IPV4_FLOW: 2338 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) | 2339 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4); 2340 break; 2341 case IPV6_FLOW: 2342 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) | 2343 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6); 2344 break; 2345 default: 2346 return -EINVAL; 2347 } 2348 2349 i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (u32)hena); 2350 i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32)); 2351 i40e_flush(hw); 2352 2353 /* Save setting for future output/update */ 2354 pf->vsi[pf->lan_vsi]->rxnfc = *nfc; 2355 2356 return 0; 2357 } 2358 2359 /** 2360 * i40e_match_fdir_input_set - Match a new filter against an existing one 2361 * @rule: The filter already added 2362 * @input: The new filter to comapre against 2363 * 2364 * Returns true if the two input set match 2365 **/ 2366 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule, 2367 struct i40e_fdir_filter *input) 2368 { 2369 if ((rule->dst_ip[0] != input->dst_ip[0]) || 2370 (rule->src_ip[0] != input->src_ip[0]) || 2371 (rule->dst_port != input->dst_port) || 2372 (rule->src_port != input->src_port)) 2373 return false; 2374 return true; 2375 } 2376 2377 /** 2378 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry 2379 * @vsi: Pointer to the targeted VSI 2380 * @input: The filter to update or NULL to indicate deletion 2381 * @sw_idx: Software index to the filter 2382 * @cmd: The command to get or set Rx flow classification rules 2383 * 2384 * This function updates (or deletes) a Flow Director entry from 2385 * the hlist of the corresponding PF 2386 * 2387 * Returns 0 on success 2388 **/ 2389 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi, 2390 struct i40e_fdir_filter *input, 2391 u16 sw_idx, 2392 struct ethtool_rxnfc *cmd) 2393 { 2394 struct i40e_fdir_filter *rule, *parent; 2395 struct i40e_pf *pf = vsi->back; 2396 struct hlist_node *node2; 2397 int err = -EINVAL; 2398 2399 parent = NULL; 2400 rule = NULL; 2401 2402 hlist_for_each_entry_safe(rule, node2, 2403 &pf->fdir_filter_list, fdir_node) { 2404 /* hash found, or no matching entry */ 2405 if (rule->fd_id >= sw_idx) 2406 break; 2407 parent = rule; 2408 } 2409 2410 /* if there is an old rule occupying our place remove it */ 2411 if (rule && (rule->fd_id == sw_idx)) { 2412 if (input && !i40e_match_fdir_input_set(rule, input)) 2413 err = i40e_add_del_fdir(vsi, rule, false); 2414 else if (!input) 2415 err = i40e_add_del_fdir(vsi, rule, false); 2416 hlist_del(&rule->fdir_node); 2417 kfree(rule); 2418 pf->fdir_pf_active_filters--; 2419 } 2420 2421 /* If no input this was a delete, err should be 0 if a rule was 2422 * successfully found and removed from the list else -EINVAL 2423 */ 2424 if (!input) 2425 return err; 2426 2427 /* initialize node and set software index */ 2428 INIT_HLIST_NODE(&input->fdir_node); 2429 2430 /* add filter to the list */ 2431 if (parent) 2432 hlist_add_behind(&input->fdir_node, &parent->fdir_node); 2433 else 2434 hlist_add_head(&input->fdir_node, 2435 &pf->fdir_filter_list); 2436 2437 /* update counts */ 2438 pf->fdir_pf_active_filters++; 2439 2440 return 0; 2441 } 2442 2443 /** 2444 * i40e_del_fdir_entry - Deletes a Flow Director filter entry 2445 * @vsi: Pointer to the targeted VSI 2446 * @cmd: The command to get or set Rx flow classification rules 2447 * 2448 * The function removes a Flow Director filter entry from the 2449 * hlist of the corresponding PF 2450 * 2451 * Returns 0 on success 2452 */ 2453 static int i40e_del_fdir_entry(struct i40e_vsi *vsi, 2454 struct ethtool_rxnfc *cmd) 2455 { 2456 struct ethtool_rx_flow_spec *fsp = 2457 (struct ethtool_rx_flow_spec *)&cmd->fs; 2458 struct i40e_pf *pf = vsi->back; 2459 int ret = 0; 2460 2461 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2462 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2463 return -EBUSY; 2464 2465 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2466 return -EBUSY; 2467 2468 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd); 2469 2470 i40e_fdir_check_and_reenable(pf); 2471 return ret; 2472 } 2473 2474 /** 2475 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters 2476 * @vsi: pointer to the targeted VSI 2477 * @cmd: command to get or set RX flow classification rules 2478 * 2479 * Add Flow Director filters for a specific flow spec based on their 2480 * protocol. Returns 0 if the filters were successfully added. 2481 **/ 2482 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, 2483 struct ethtool_rxnfc *cmd) 2484 { 2485 struct ethtool_rx_flow_spec *fsp; 2486 struct i40e_fdir_filter *input; 2487 struct i40e_pf *pf; 2488 int ret = -EINVAL; 2489 u16 vf_id; 2490 2491 if (!vsi) 2492 return -EINVAL; 2493 2494 pf = vsi->back; 2495 2496 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 2497 return -EOPNOTSUPP; 2498 2499 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED) 2500 return -ENOSPC; 2501 2502 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2503 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2504 return -EBUSY; 2505 2506 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2507 return -EBUSY; 2508 2509 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs; 2510 2511 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort + 2512 pf->hw.func_caps.fd_filters_guaranteed)) { 2513 return -EINVAL; 2514 } 2515 2516 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) && 2517 (fsp->ring_cookie >= vsi->num_queue_pairs)) 2518 return -EINVAL; 2519 2520 input = kzalloc(sizeof(*input), GFP_KERNEL); 2521 2522 if (!input) 2523 return -ENOMEM; 2524 2525 input->fd_id = fsp->location; 2526 2527 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) 2528 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET; 2529 else 2530 input->dest_ctl = 2531 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX; 2532 2533 input->q_index = fsp->ring_cookie; 2534 input->flex_off = 0; 2535 input->pctype = 0; 2536 input->dest_vsi = vsi->id; 2537 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID; 2538 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id); 2539 input->flow_type = fsp->flow_type; 2540 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto; 2541 2542 /* Reverse the src and dest notion, since the HW expects them to be from 2543 * Tx perspective where as the input from user is from Rx filter view. 2544 */ 2545 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc; 2546 input->src_port = fsp->h_u.tcp_ip4_spec.pdst; 2547 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src; 2548 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst; 2549 2550 if (ntohl(fsp->m_ext.data[1])) { 2551 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) { 2552 netif_info(pf, drv, vsi->netdev, "Invalid VF id\n"); 2553 goto free_input; 2554 } 2555 vf_id = ntohl(fsp->h_ext.data[1]); 2556 /* Find vsi id from vf id and override dest vsi */ 2557 input->dest_vsi = pf->vf[vf_id].lan_vsi_id; 2558 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) { 2559 netif_info(pf, drv, vsi->netdev, "Invalid queue id\n"); 2560 goto free_input; 2561 } 2562 } 2563 2564 ret = i40e_add_del_fdir(vsi, input, true); 2565 free_input: 2566 if (ret) 2567 kfree(input); 2568 else 2569 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL); 2570 2571 return ret; 2572 } 2573 2574 /** 2575 * i40e_set_rxnfc - command to set RX flow classification rules 2576 * @netdev: network interface device structure 2577 * @cmd: ethtool rxnfc command 2578 * 2579 * Returns Success if the command is supported. 2580 **/ 2581 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2582 { 2583 struct i40e_netdev_priv *np = netdev_priv(netdev); 2584 struct i40e_vsi *vsi = np->vsi; 2585 struct i40e_pf *pf = vsi->back; 2586 int ret = -EOPNOTSUPP; 2587 2588 switch (cmd->cmd) { 2589 case ETHTOOL_SRXFH: 2590 ret = i40e_set_rss_hash_opt(pf, cmd); 2591 break; 2592 case ETHTOOL_SRXCLSRLINS: 2593 ret = i40e_add_fdir_ethtool(vsi, cmd); 2594 break; 2595 case ETHTOOL_SRXCLSRLDEL: 2596 ret = i40e_del_fdir_entry(vsi, cmd); 2597 break; 2598 default: 2599 break; 2600 } 2601 2602 return ret; 2603 } 2604 2605 /** 2606 * i40e_max_channels - get Max number of combined channels supported 2607 * @vsi: vsi pointer 2608 **/ 2609 static unsigned int i40e_max_channels(struct i40e_vsi *vsi) 2610 { 2611 /* TODO: This code assumes DCB and FD is disabled for now. */ 2612 return vsi->alloc_queue_pairs; 2613 } 2614 2615 /** 2616 * i40e_get_channels - Get the current channels enabled and max supported etc. 2617 * @netdev: network interface device structure 2618 * @ch: ethtool channels structure 2619 * 2620 * We don't support separate tx and rx queues as channels. The other count 2621 * represents how many queues are being used for control. max_combined counts 2622 * how many queue pairs we can support. They may not be mapped 1 to 1 with 2623 * q_vectors since we support a lot more queue pairs than q_vectors. 2624 **/ 2625 static void i40e_get_channels(struct net_device *dev, 2626 struct ethtool_channels *ch) 2627 { 2628 struct i40e_netdev_priv *np = netdev_priv(dev); 2629 struct i40e_vsi *vsi = np->vsi; 2630 struct i40e_pf *pf = vsi->back; 2631 2632 /* report maximum channels */ 2633 ch->max_combined = i40e_max_channels(vsi); 2634 2635 /* report info for other vector */ 2636 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0; 2637 ch->max_other = ch->other_count; 2638 2639 /* Note: This code assumes DCB is disabled for now. */ 2640 ch->combined_count = vsi->num_queue_pairs; 2641 } 2642 2643 /** 2644 * i40e_set_channels - Set the new channels count. 2645 * @netdev: network interface device structure 2646 * @ch: ethtool channels structure 2647 * 2648 * The new channels count may not be the same as requested by the user 2649 * since it gets rounded down to a power of 2 value. 2650 **/ 2651 static int i40e_set_channels(struct net_device *dev, 2652 struct ethtool_channels *ch) 2653 { 2654 struct i40e_netdev_priv *np = netdev_priv(dev); 2655 unsigned int count = ch->combined_count; 2656 struct i40e_vsi *vsi = np->vsi; 2657 struct i40e_pf *pf = vsi->back; 2658 int new_count; 2659 2660 /* We do not support setting channels for any other VSI at present */ 2661 if (vsi->type != I40E_VSI_MAIN) 2662 return -EINVAL; 2663 2664 /* verify they are not requesting separate vectors */ 2665 if (!count || ch->rx_count || ch->tx_count) 2666 return -EINVAL; 2667 2668 /* verify other_count has not changed */ 2669 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0)) 2670 return -EINVAL; 2671 2672 /* verify the number of channels does not exceed hardware limits */ 2673 if (count > i40e_max_channels(vsi)) 2674 return -EINVAL; 2675 2676 /* update feature limits from largest to smallest supported values */ 2677 /* TODO: Flow director limit, DCB etc */ 2678 2679 /* use rss_reconfig to rebuild with new queue count and update traffic 2680 * class queue mapping 2681 */ 2682 new_count = i40e_reconfig_rss_queues(pf, count); 2683 if (new_count > 0) 2684 return 0; 2685 else 2686 return -EINVAL; 2687 } 2688 2689 /** 2690 * i40e_get_rxfh_key_size - get the RSS hash key size 2691 * @netdev: network interface device structure 2692 * 2693 * Returns the table size. 2694 **/ 2695 static u32 i40e_get_rxfh_key_size(struct net_device *netdev) 2696 { 2697 return I40E_HKEY_ARRAY_SIZE; 2698 } 2699 2700 /** 2701 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size 2702 * @netdev: network interface device structure 2703 * 2704 * Returns the table size. 2705 **/ 2706 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev) 2707 { 2708 return I40E_HLUT_ARRAY_SIZE; 2709 } 2710 2711 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, 2712 u8 *hfunc) 2713 { 2714 struct i40e_netdev_priv *np = netdev_priv(netdev); 2715 struct i40e_vsi *vsi = np->vsi; 2716 u8 *lut, *seed = NULL; 2717 int ret; 2718 u16 i; 2719 2720 if (hfunc) 2721 *hfunc = ETH_RSS_HASH_TOP; 2722 2723 if (!indir) 2724 return 0; 2725 2726 seed = key; 2727 lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL); 2728 if (!lut) 2729 return -ENOMEM; 2730 ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE); 2731 if (ret) 2732 goto out; 2733 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++) 2734 indir[i] = (u32)(lut[i]); 2735 2736 out: 2737 kfree(lut); 2738 2739 return ret; 2740 } 2741 2742 /** 2743 * i40e_set_rxfh - set the rx flow hash indirection table 2744 * @netdev: network interface device structure 2745 * @indir: indirection table 2746 * @key: hash key 2747 * 2748 * Returns -EINVAL if the table specifies an invalid queue id, otherwise 2749 * returns 0 after programming the table. 2750 **/ 2751 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir, 2752 const u8 *key, const u8 hfunc) 2753 { 2754 struct i40e_netdev_priv *np = netdev_priv(netdev); 2755 struct i40e_vsi *vsi = np->vsi; 2756 u8 *seed = NULL; 2757 u16 i; 2758 2759 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 2760 return -EOPNOTSUPP; 2761 2762 if (!indir) 2763 return 0; 2764 2765 if (key) { 2766 if (!vsi->rss_hkey_user) { 2767 vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE, 2768 GFP_KERNEL); 2769 if (!vsi->rss_hkey_user) 2770 return -ENOMEM; 2771 } 2772 memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE); 2773 seed = vsi->rss_hkey_user; 2774 } 2775 if (!vsi->rss_lut_user) { 2776 vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL); 2777 if (!vsi->rss_lut_user) 2778 return -ENOMEM; 2779 } 2780 2781 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 2782 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++) 2783 vsi->rss_lut_user[i] = (u8)(indir[i]); 2784 2785 return i40e_config_rss(vsi, seed, vsi->rss_lut_user, 2786 I40E_HLUT_ARRAY_SIZE); 2787 } 2788 2789 /** 2790 * i40e_get_priv_flags - report device private flags 2791 * @dev: network interface device structure 2792 * 2793 * The get string set count and the string set should be matched for each 2794 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings 2795 * array. 2796 * 2797 * Returns a u32 bitmap of flags. 2798 **/ 2799 static u32 i40e_get_priv_flags(struct net_device *dev) 2800 { 2801 struct i40e_netdev_priv *np = netdev_priv(dev); 2802 struct i40e_vsi *vsi = np->vsi; 2803 struct i40e_pf *pf = vsi->back; 2804 u32 ret_flags = 0; 2805 2806 ret_flags |= pf->hw.func_caps.npar_enable ? 2807 I40E_PRIV_FLAGS_NPAR_FLAG : 0; 2808 ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ? 2809 I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0; 2810 ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ? 2811 I40E_PRIV_FLAGS_FD_ATR : 0; 2812 ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ? 2813 I40E_PRIV_FLAGS_VEB_STATS : 0; 2814 ret_flags |= pf->flags & I40E_FLAG_RX_PS_ENABLED ? 2815 I40E_PRIV_FLAGS_PS : 0; 2816 ret_flags |= pf->auto_disable_flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE ? 2817 0 : I40E_PRIV_FLAGS_HW_ATR_EVICT; 2818 2819 return ret_flags; 2820 } 2821 2822 /** 2823 * i40e_set_priv_flags - set private flags 2824 * @dev: network interface device structure 2825 * @flags: bit flags to be set 2826 **/ 2827 static int i40e_set_priv_flags(struct net_device *dev, u32 flags) 2828 { 2829 struct i40e_netdev_priv *np = netdev_priv(dev); 2830 struct i40e_vsi *vsi = np->vsi; 2831 struct i40e_pf *pf = vsi->back; 2832 bool reset_required = false; 2833 2834 /* NOTE: MFP is not settable */ 2835 2836 /* allow the user to control the method of receive 2837 * buffer DMA, whether the packet is split at header 2838 * boundaries into two separate buffers. In some cases 2839 * one routine or the other will perform better. 2840 */ 2841 if ((flags & I40E_PRIV_FLAGS_PS) && 2842 !(pf->flags & I40E_FLAG_RX_PS_ENABLED)) { 2843 pf->flags |= I40E_FLAG_RX_PS_ENABLED; 2844 pf->flags &= ~I40E_FLAG_RX_1BUF_ENABLED; 2845 reset_required = true; 2846 } else if (!(flags & I40E_PRIV_FLAGS_PS) && 2847 (pf->flags & I40E_FLAG_RX_PS_ENABLED)) { 2848 pf->flags &= ~I40E_FLAG_RX_PS_ENABLED; 2849 pf->flags |= I40E_FLAG_RX_1BUF_ENABLED; 2850 reset_required = true; 2851 } 2852 2853 if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG) 2854 pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED; 2855 else 2856 pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED; 2857 2858 /* allow the user to control the state of the Flow 2859 * Director ATR (Application Targeted Routing) feature 2860 * of the driver 2861 */ 2862 if (flags & I40E_PRIV_FLAGS_FD_ATR) { 2863 pf->flags |= I40E_FLAG_FD_ATR_ENABLED; 2864 } else { 2865 pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED; 2866 pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED; 2867 } 2868 2869 if ((flags & I40E_PRIV_FLAGS_VEB_STATS) && 2870 !(pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 2871 pf->flags |= I40E_FLAG_VEB_STATS_ENABLED; 2872 reset_required = true; 2873 } else if (!(flags & I40E_PRIV_FLAGS_VEB_STATS) && 2874 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 2875 pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED; 2876 reset_required = true; 2877 } 2878 2879 if ((flags & I40E_PRIV_FLAGS_HW_ATR_EVICT) && 2880 (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE)) 2881 pf->auto_disable_flags &= ~I40E_FLAG_HW_ATR_EVICT_CAPABLE; 2882 else 2883 pf->auto_disable_flags |= I40E_FLAG_HW_ATR_EVICT_CAPABLE; 2884 2885 /* if needed, issue reset to cause things to take effect */ 2886 if (reset_required) 2887 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 2888 2889 return 0; 2890 } 2891 2892 static const struct ethtool_ops i40e_ethtool_ops = { 2893 .get_settings = i40e_get_settings, 2894 .set_settings = i40e_set_settings, 2895 .get_drvinfo = i40e_get_drvinfo, 2896 .get_regs_len = i40e_get_regs_len, 2897 .get_regs = i40e_get_regs, 2898 .nway_reset = i40e_nway_reset, 2899 .get_link = ethtool_op_get_link, 2900 .get_wol = i40e_get_wol, 2901 .set_wol = i40e_set_wol, 2902 .set_eeprom = i40e_set_eeprom, 2903 .get_eeprom_len = i40e_get_eeprom_len, 2904 .get_eeprom = i40e_get_eeprom, 2905 .get_ringparam = i40e_get_ringparam, 2906 .set_ringparam = i40e_set_ringparam, 2907 .get_pauseparam = i40e_get_pauseparam, 2908 .set_pauseparam = i40e_set_pauseparam, 2909 .get_msglevel = i40e_get_msglevel, 2910 .set_msglevel = i40e_set_msglevel, 2911 .get_rxnfc = i40e_get_rxnfc, 2912 .set_rxnfc = i40e_set_rxnfc, 2913 .self_test = i40e_diag_test, 2914 .get_strings = i40e_get_strings, 2915 .set_phys_id = i40e_set_phys_id, 2916 .get_sset_count = i40e_get_sset_count, 2917 .get_ethtool_stats = i40e_get_ethtool_stats, 2918 .get_coalesce = i40e_get_coalesce, 2919 .set_coalesce = i40e_set_coalesce, 2920 .get_rxfh_key_size = i40e_get_rxfh_key_size, 2921 .get_rxfh_indir_size = i40e_get_rxfh_indir_size, 2922 .get_rxfh = i40e_get_rxfh, 2923 .set_rxfh = i40e_set_rxfh, 2924 .get_channels = i40e_get_channels, 2925 .set_channels = i40e_set_channels, 2926 .get_ts_info = i40e_get_ts_info, 2927 .get_priv_flags = i40e_get_priv_flags, 2928 .set_priv_flags = i40e_set_priv_flags, 2929 .get_per_queue_coalesce = i40e_get_per_queue_coalesce, 2930 .set_per_queue_coalesce = i40e_set_per_queue_coalesce, 2931 }; 2932 2933 void i40e_set_ethtool_ops(struct net_device *netdev) 2934 { 2935 netdev->ethtool_ops = &i40e_ethtool_ops; 2936 } 2937