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 const 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_LINK, 220 }; 221 222 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = { 223 "Register test (offline)", 224 "Eeprom test (offline)", 225 "Interrupt test (offline)", 226 "Link test (on/offline)" 227 }; 228 229 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN) 230 231 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = { 232 "MFP", 233 "LinkPolling", 234 "flow-director-atr", 235 "veb-stats", 236 "hw-atr-eviction", 237 }; 238 239 #define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings) 240 241 /* Private flags with a global effect, restricted to PF 0 */ 242 static const char i40e_gl_priv_flags_strings[][ETH_GSTRING_LEN] = { 243 "vf-true-promisc-support", 244 }; 245 246 #define I40E_GL_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_gl_priv_flags_strings) 247 248 /** 249 * i40e_partition_setting_complaint - generic complaint for MFP restriction 250 * @pf: the PF struct 251 **/ 252 static void i40e_partition_setting_complaint(struct i40e_pf *pf) 253 { 254 dev_info(&pf->pdev->dev, 255 "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"); 256 } 257 258 /** 259 * i40e_phy_type_to_ethtool - convert the phy_types to ethtool link modes 260 * @phy_types: PHY types to convert 261 * @supported: pointer to the ethtool supported variable to fill in 262 * @advertising: pointer to the ethtool advertising variable to fill in 263 * 264 **/ 265 static void i40e_phy_type_to_ethtool(struct i40e_pf *pf, u32 *supported, 266 u32 *advertising) 267 { 268 struct i40e_link_status *hw_link_info = &pf->hw.phy.link_info; 269 u64 phy_types = pf->hw.phy.phy_types; 270 271 *supported = 0x0; 272 *advertising = 0x0; 273 274 if (phy_types & I40E_CAP_PHY_TYPE_SGMII) { 275 *supported |= SUPPORTED_Autoneg | 276 SUPPORTED_1000baseT_Full; 277 *advertising |= ADVERTISED_Autoneg; 278 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 279 *advertising |= ADVERTISED_1000baseT_Full; 280 if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) { 281 *supported |= SUPPORTED_100baseT_Full; 282 *advertising |= ADVERTISED_100baseT_Full; 283 } 284 } 285 if (phy_types & I40E_CAP_PHY_TYPE_XAUI || 286 phy_types & I40E_CAP_PHY_TYPE_XFI || 287 phy_types & I40E_CAP_PHY_TYPE_SFI || 288 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU || 289 phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC) 290 *supported |= SUPPORTED_10000baseT_Full; 291 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU || 292 phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 || 293 phy_types & I40E_CAP_PHY_TYPE_10GBASE_T || 294 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR || 295 phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) { 296 *supported |= SUPPORTED_Autoneg | 297 SUPPORTED_10000baseT_Full; 298 *advertising |= ADVERTISED_Autoneg; 299 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 300 *advertising |= ADVERTISED_10000baseT_Full; 301 } 302 if (phy_types & I40E_CAP_PHY_TYPE_XLAUI || 303 phy_types & I40E_CAP_PHY_TYPE_XLPPI || 304 phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC) 305 *supported |= SUPPORTED_40000baseCR4_Full; 306 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU || 307 phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) { 308 *supported |= SUPPORTED_Autoneg | 309 SUPPORTED_40000baseCR4_Full; 310 *advertising |= ADVERTISED_Autoneg; 311 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_40GB) 312 *advertising |= ADVERTISED_40000baseCR4_Full; 313 } 314 if (phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) { 315 *supported |= SUPPORTED_Autoneg | 316 SUPPORTED_100baseT_Full; 317 *advertising |= ADVERTISED_Autoneg; 318 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 319 *advertising |= ADVERTISED_100baseT_Full; 320 } 321 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T || 322 phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX || 323 phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX || 324 phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) { 325 *supported |= SUPPORTED_Autoneg | 326 SUPPORTED_1000baseT_Full; 327 *advertising |= ADVERTISED_Autoneg; 328 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 329 *advertising |= ADVERTISED_1000baseT_Full; 330 } 331 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4) 332 *supported |= SUPPORTED_40000baseSR4_Full; 333 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4) 334 *supported |= SUPPORTED_40000baseLR4_Full; 335 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) { 336 *supported |= SUPPORTED_40000baseKR4_Full | 337 SUPPORTED_Autoneg; 338 *advertising |= ADVERTISED_40000baseKR4_Full | 339 ADVERTISED_Autoneg; 340 } 341 if (phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) { 342 *supported |= SUPPORTED_20000baseKR2_Full | 343 SUPPORTED_Autoneg; 344 *advertising |= ADVERTISED_Autoneg; 345 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_20GB) 346 *advertising |= ADVERTISED_20000baseKR2_Full; 347 } 348 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) { 349 if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER)) 350 *supported |= SUPPORTED_10000baseKR_Full | 351 SUPPORTED_Autoneg; 352 *advertising |= ADVERTISED_Autoneg; 353 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 354 if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER)) 355 *advertising |= ADVERTISED_10000baseKR_Full; 356 } 357 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) { 358 *supported |= SUPPORTED_10000baseKX4_Full | 359 SUPPORTED_Autoneg; 360 *advertising |= ADVERTISED_Autoneg; 361 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 362 *advertising |= ADVERTISED_10000baseKX4_Full; 363 } 364 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) { 365 if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER)) 366 *supported |= SUPPORTED_1000baseKX_Full | 367 SUPPORTED_Autoneg; 368 *advertising |= ADVERTISED_Autoneg; 369 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 370 if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER)) 371 *advertising |= ADVERTISED_1000baseKX_Full; 372 } 373 if (phy_types & I40E_CAP_PHY_TYPE_25GBASE_KR || 374 phy_types & I40E_CAP_PHY_TYPE_25GBASE_CR || 375 phy_types & I40E_CAP_PHY_TYPE_25GBASE_SR || 376 phy_types & I40E_CAP_PHY_TYPE_25GBASE_LR) { 377 *supported |= SUPPORTED_Autoneg; 378 *advertising |= ADVERTISED_Autoneg; 379 } 380 } 381 382 /** 383 * i40e_get_settings_link_up - Get the Link settings for when link is up 384 * @hw: hw structure 385 * @ecmd: ethtool command to fill in 386 * @netdev: network interface device structure 387 * 388 **/ 389 static void i40e_get_settings_link_up(struct i40e_hw *hw, 390 struct ethtool_cmd *ecmd, 391 struct net_device *netdev, 392 struct i40e_pf *pf) 393 { 394 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 395 u32 link_speed = hw_link_info->link_speed; 396 u32 e_advertising = 0x0; 397 u32 e_supported = 0x0; 398 399 /* Initialize supported and advertised settings based on phy settings */ 400 switch (hw_link_info->phy_type) { 401 case I40E_PHY_TYPE_40GBASE_CR4: 402 case I40E_PHY_TYPE_40GBASE_CR4_CU: 403 ecmd->supported = SUPPORTED_Autoneg | 404 SUPPORTED_40000baseCR4_Full; 405 ecmd->advertising = ADVERTISED_Autoneg | 406 ADVERTISED_40000baseCR4_Full; 407 break; 408 case I40E_PHY_TYPE_XLAUI: 409 case I40E_PHY_TYPE_XLPPI: 410 case I40E_PHY_TYPE_40GBASE_AOC: 411 ecmd->supported = SUPPORTED_40000baseCR4_Full; 412 break; 413 case I40E_PHY_TYPE_40GBASE_SR4: 414 ecmd->supported = SUPPORTED_40000baseSR4_Full; 415 break; 416 case I40E_PHY_TYPE_40GBASE_LR4: 417 ecmd->supported = SUPPORTED_40000baseLR4_Full; 418 break; 419 case I40E_PHY_TYPE_10GBASE_SR: 420 case I40E_PHY_TYPE_10GBASE_LR: 421 case I40E_PHY_TYPE_1000BASE_SX: 422 case I40E_PHY_TYPE_1000BASE_LX: 423 ecmd->supported = SUPPORTED_10000baseT_Full; 424 if (hw_link_info->module_type[2] & 425 I40E_MODULE_TYPE_1000BASE_SX || 426 hw_link_info->module_type[2] & 427 I40E_MODULE_TYPE_1000BASE_LX) { 428 ecmd->supported |= SUPPORTED_1000baseT_Full; 429 if (hw_link_info->requested_speeds & 430 I40E_LINK_SPEED_1GB) 431 ecmd->advertising |= ADVERTISED_1000baseT_Full; 432 } 433 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 434 ecmd->advertising |= ADVERTISED_10000baseT_Full; 435 break; 436 case I40E_PHY_TYPE_10GBASE_T: 437 case I40E_PHY_TYPE_1000BASE_T: 438 case I40E_PHY_TYPE_100BASE_TX: 439 ecmd->supported = SUPPORTED_Autoneg | 440 SUPPORTED_10000baseT_Full | 441 SUPPORTED_1000baseT_Full | 442 SUPPORTED_100baseT_Full; 443 ecmd->advertising = ADVERTISED_Autoneg; 444 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB) 445 ecmd->advertising |= ADVERTISED_10000baseT_Full; 446 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 447 ecmd->advertising |= ADVERTISED_1000baseT_Full; 448 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB) 449 ecmd->advertising |= ADVERTISED_100baseT_Full; 450 break; 451 case I40E_PHY_TYPE_1000BASE_T_OPTICAL: 452 ecmd->supported = SUPPORTED_Autoneg | 453 SUPPORTED_1000baseT_Full; 454 ecmd->advertising = ADVERTISED_Autoneg | 455 ADVERTISED_1000baseT_Full; 456 break; 457 case I40E_PHY_TYPE_10GBASE_CR1_CU: 458 case I40E_PHY_TYPE_10GBASE_CR1: 459 ecmd->supported = SUPPORTED_Autoneg | 460 SUPPORTED_10000baseT_Full; 461 ecmd->advertising = ADVERTISED_Autoneg | 462 ADVERTISED_10000baseT_Full; 463 break; 464 case I40E_PHY_TYPE_XAUI: 465 case I40E_PHY_TYPE_XFI: 466 case I40E_PHY_TYPE_SFI: 467 case I40E_PHY_TYPE_10GBASE_SFPP_CU: 468 case I40E_PHY_TYPE_10GBASE_AOC: 469 ecmd->supported = SUPPORTED_10000baseT_Full; 470 ecmd->advertising = SUPPORTED_10000baseT_Full; 471 break; 472 case I40E_PHY_TYPE_SGMII: 473 ecmd->supported = SUPPORTED_Autoneg | 474 SUPPORTED_1000baseT_Full; 475 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB) 476 ecmd->advertising |= ADVERTISED_1000baseT_Full; 477 if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) { 478 ecmd->supported |= SUPPORTED_100baseT_Full; 479 if (hw_link_info->requested_speeds & 480 I40E_LINK_SPEED_100MB) 481 ecmd->advertising |= ADVERTISED_100baseT_Full; 482 } 483 break; 484 case I40E_PHY_TYPE_40GBASE_KR4: 485 case I40E_PHY_TYPE_20GBASE_KR2: 486 case I40E_PHY_TYPE_10GBASE_KR: 487 case I40E_PHY_TYPE_10GBASE_KX4: 488 case I40E_PHY_TYPE_1000BASE_KX: 489 ecmd->supported |= SUPPORTED_40000baseKR4_Full | 490 SUPPORTED_20000baseKR2_Full | 491 SUPPORTED_10000baseKR_Full | 492 SUPPORTED_10000baseKX4_Full | 493 SUPPORTED_1000baseKX_Full | 494 SUPPORTED_Autoneg; 495 ecmd->advertising |= ADVERTISED_40000baseKR4_Full | 496 ADVERTISED_20000baseKR2_Full | 497 ADVERTISED_10000baseKR_Full | 498 ADVERTISED_10000baseKX4_Full | 499 ADVERTISED_1000baseKX_Full | 500 ADVERTISED_Autoneg; 501 break; 502 case I40E_PHY_TYPE_25GBASE_KR: 503 case I40E_PHY_TYPE_25GBASE_CR: 504 case I40E_PHY_TYPE_25GBASE_SR: 505 case I40E_PHY_TYPE_25GBASE_LR: 506 ecmd->supported = SUPPORTED_Autoneg; 507 ecmd->advertising = ADVERTISED_Autoneg; 508 /* TODO: add speeds when ethtool is ready to support*/ 509 break; 510 default: 511 /* if we got here and link is up something bad is afoot */ 512 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n", 513 hw_link_info->phy_type); 514 } 515 516 /* Now that we've worked out everything that could be supported by the 517 * current PHY type, get what is supported by the NVM and them to 518 * get what is truly supported 519 */ 520 i40e_phy_type_to_ethtool(pf, &e_supported, 521 &e_advertising); 522 523 ecmd->supported = ecmd->supported & e_supported; 524 ecmd->advertising = ecmd->advertising & e_advertising; 525 526 /* Set speed and duplex */ 527 switch (link_speed) { 528 case I40E_LINK_SPEED_40GB: 529 ethtool_cmd_speed_set(ecmd, SPEED_40000); 530 break; 531 case I40E_LINK_SPEED_25GB: 532 #ifdef SPEED_25000 533 ethtool_cmd_speed_set(ecmd, SPEED_25000); 534 #else 535 netdev_info(netdev, 536 "Speed is 25G, display not supported by this version of ethtool.\n"); 537 #endif 538 break; 539 case I40E_LINK_SPEED_20GB: 540 ethtool_cmd_speed_set(ecmd, SPEED_20000); 541 break; 542 case I40E_LINK_SPEED_10GB: 543 ethtool_cmd_speed_set(ecmd, SPEED_10000); 544 break; 545 case I40E_LINK_SPEED_1GB: 546 ethtool_cmd_speed_set(ecmd, SPEED_1000); 547 break; 548 case I40E_LINK_SPEED_100MB: 549 ethtool_cmd_speed_set(ecmd, SPEED_100); 550 break; 551 default: 552 break; 553 } 554 ecmd->duplex = DUPLEX_FULL; 555 } 556 557 /** 558 * i40e_get_settings_link_down - Get the Link settings for when link is down 559 * @hw: hw structure 560 * @ecmd: ethtool command to fill in 561 * 562 * Reports link settings that can be determined when link is down 563 **/ 564 static void i40e_get_settings_link_down(struct i40e_hw *hw, 565 struct ethtool_cmd *ecmd, 566 struct i40e_pf *pf) 567 { 568 /* link is down and the driver needs to fall back on 569 * supported phy types to figure out what info to display 570 */ 571 i40e_phy_type_to_ethtool(pf, &ecmd->supported, 572 &ecmd->advertising); 573 574 /* With no link speed and duplex are unknown */ 575 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN); 576 ecmd->duplex = DUPLEX_UNKNOWN; 577 } 578 579 /** 580 * i40e_get_settings - Get Link Speed and Duplex settings 581 * @netdev: network interface device structure 582 * @ecmd: ethtool command 583 * 584 * Reports speed/duplex settings based on media_type 585 **/ 586 static int i40e_get_settings(struct net_device *netdev, 587 struct ethtool_cmd *ecmd) 588 { 589 struct i40e_netdev_priv *np = netdev_priv(netdev); 590 struct i40e_pf *pf = np->vsi->back; 591 struct i40e_hw *hw = &pf->hw; 592 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 593 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 594 595 if (link_up) 596 i40e_get_settings_link_up(hw, ecmd, netdev, pf); 597 else 598 i40e_get_settings_link_down(hw, ecmd, pf); 599 600 /* Now set the settings that don't rely on link being up/down */ 601 /* Set autoneg settings */ 602 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 603 AUTONEG_ENABLE : AUTONEG_DISABLE); 604 605 switch (hw->phy.media_type) { 606 case I40E_MEDIA_TYPE_BACKPLANE: 607 ecmd->supported |= SUPPORTED_Autoneg | 608 SUPPORTED_Backplane; 609 ecmd->advertising |= ADVERTISED_Autoneg | 610 ADVERTISED_Backplane; 611 ecmd->port = PORT_NONE; 612 break; 613 case I40E_MEDIA_TYPE_BASET: 614 ecmd->supported |= SUPPORTED_TP; 615 ecmd->advertising |= ADVERTISED_TP; 616 ecmd->port = PORT_TP; 617 break; 618 case I40E_MEDIA_TYPE_DA: 619 case I40E_MEDIA_TYPE_CX4: 620 ecmd->supported |= SUPPORTED_FIBRE; 621 ecmd->advertising |= ADVERTISED_FIBRE; 622 ecmd->port = PORT_DA; 623 break; 624 case I40E_MEDIA_TYPE_FIBER: 625 ecmd->supported |= SUPPORTED_FIBRE; 626 ecmd->port = PORT_FIBRE; 627 break; 628 case I40E_MEDIA_TYPE_UNKNOWN: 629 default: 630 ecmd->port = PORT_OTHER; 631 break; 632 } 633 634 /* Set transceiver */ 635 ecmd->transceiver = XCVR_EXTERNAL; 636 637 /* Set flow control settings */ 638 ecmd->supported |= SUPPORTED_Pause; 639 640 switch (hw->fc.requested_mode) { 641 case I40E_FC_FULL: 642 ecmd->advertising |= ADVERTISED_Pause; 643 break; 644 case I40E_FC_TX_PAUSE: 645 ecmd->advertising |= ADVERTISED_Asym_Pause; 646 break; 647 case I40E_FC_RX_PAUSE: 648 ecmd->advertising |= (ADVERTISED_Pause | 649 ADVERTISED_Asym_Pause); 650 break; 651 default: 652 ecmd->advertising &= ~(ADVERTISED_Pause | 653 ADVERTISED_Asym_Pause); 654 break; 655 } 656 657 return 0; 658 } 659 660 /** 661 * i40e_set_settings - Set Speed and Duplex 662 * @netdev: network interface device structure 663 * @ecmd: ethtool command 664 * 665 * Set speed/duplex per media_types advertised/forced 666 **/ 667 static int i40e_set_settings(struct net_device *netdev, 668 struct ethtool_cmd *ecmd) 669 { 670 struct i40e_netdev_priv *np = netdev_priv(netdev); 671 struct i40e_aq_get_phy_abilities_resp abilities; 672 struct i40e_aq_set_phy_config config; 673 struct i40e_pf *pf = np->vsi->back; 674 struct i40e_vsi *vsi = np->vsi; 675 struct i40e_hw *hw = &pf->hw; 676 struct ethtool_cmd safe_ecmd; 677 i40e_status status = 0; 678 bool change = false; 679 int err = 0; 680 u8 autoneg; 681 u32 advertise; 682 683 /* Changing port settings is not supported if this isn't the 684 * port's controlling PF 685 */ 686 if (hw->partition_id != 1) { 687 i40e_partition_setting_complaint(pf); 688 return -EOPNOTSUPP; 689 } 690 691 if (vsi != pf->vsi[pf->lan_vsi]) 692 return -EOPNOTSUPP; 693 694 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET && 695 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER && 696 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE && 697 hw->phy.media_type != I40E_MEDIA_TYPE_DA && 698 hw->phy.link_info.link_info & I40E_AQ_LINK_UP) 699 return -EOPNOTSUPP; 700 701 if (hw->device_id == I40E_DEV_ID_KX_B || 702 hw->device_id == I40E_DEV_ID_KX_C || 703 hw->device_id == I40E_DEV_ID_20G_KR2 || 704 hw->device_id == I40E_DEV_ID_20G_KR2_A) { 705 netdev_info(netdev, "Changing settings is not supported on backplane.\n"); 706 return -EOPNOTSUPP; 707 } 708 709 /* get our own copy of the bits to check against */ 710 memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd)); 711 i40e_get_settings(netdev, &safe_ecmd); 712 713 /* save autoneg and speed out of ecmd */ 714 autoneg = ecmd->autoneg; 715 advertise = ecmd->advertising; 716 717 /* set autoneg and speed back to what they currently are */ 718 ecmd->autoneg = safe_ecmd.autoneg; 719 ecmd->advertising = safe_ecmd.advertising; 720 721 ecmd->cmd = safe_ecmd.cmd; 722 /* If ecmd and safe_ecmd are not the same now, then they are 723 * trying to set something that we do not support 724 */ 725 if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd))) 726 return -EOPNOTSUPP; 727 728 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state)) 729 usleep_range(1000, 2000); 730 731 /* Get the current phy config */ 732 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities, 733 NULL); 734 if (status) 735 return -EAGAIN; 736 737 /* Copy abilities to config in case autoneg is not 738 * set below 739 */ 740 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config)); 741 config.abilities = abilities.abilities; 742 743 /* Check autoneg */ 744 if (autoneg == AUTONEG_ENABLE) { 745 /* If autoneg was not already enabled */ 746 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) { 747 /* If autoneg is not supported, return error */ 748 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) { 749 netdev_info(netdev, "Autoneg not supported on this phy\n"); 750 return -EINVAL; 751 } 752 /* Autoneg is allowed to change */ 753 config.abilities = abilities.abilities | 754 I40E_AQ_PHY_ENABLE_AN; 755 change = true; 756 } 757 } else { 758 /* If autoneg is currently enabled */ 759 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) { 760 /* If autoneg is supported 10GBASE_T is the only PHY 761 * that can disable it, so otherwise return error 762 */ 763 if (safe_ecmd.supported & SUPPORTED_Autoneg && 764 hw->phy.link_info.phy_type != 765 I40E_PHY_TYPE_10GBASE_T) { 766 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 767 return -EINVAL; 768 } 769 /* Autoneg is allowed to change */ 770 config.abilities = abilities.abilities & 771 ~I40E_AQ_PHY_ENABLE_AN; 772 change = true; 773 } 774 } 775 776 if (advertise & ~safe_ecmd.supported) 777 return -EINVAL; 778 779 if (advertise & ADVERTISED_100baseT_Full) 780 config.link_speed |= I40E_LINK_SPEED_100MB; 781 if (advertise & ADVERTISED_1000baseT_Full || 782 advertise & ADVERTISED_1000baseKX_Full) 783 config.link_speed |= I40E_LINK_SPEED_1GB; 784 if (advertise & ADVERTISED_10000baseT_Full || 785 advertise & ADVERTISED_10000baseKX4_Full || 786 advertise & ADVERTISED_10000baseKR_Full) 787 config.link_speed |= I40E_LINK_SPEED_10GB; 788 if (advertise & ADVERTISED_20000baseKR2_Full) 789 config.link_speed |= I40E_LINK_SPEED_20GB; 790 if (advertise & ADVERTISED_40000baseKR4_Full || 791 advertise & ADVERTISED_40000baseCR4_Full || 792 advertise & ADVERTISED_40000baseSR4_Full || 793 advertise & ADVERTISED_40000baseLR4_Full) 794 config.link_speed |= I40E_LINK_SPEED_40GB; 795 796 /* If speed didn't get set, set it to what it currently is. 797 * This is needed because if advertise is 0 (as it is when autoneg 798 * is disabled) then speed won't get set. 799 */ 800 if (!config.link_speed) 801 config.link_speed = abilities.link_speed; 802 803 if (change || (abilities.link_speed != config.link_speed)) { 804 /* copy over the rest of the abilities */ 805 config.phy_type = abilities.phy_type; 806 config.phy_type_ext = abilities.phy_type_ext; 807 config.eee_capability = abilities.eee_capability; 808 config.eeer = abilities.eeer_val; 809 config.low_power_ctrl = abilities.d3_lpan; 810 config.fec_config = abilities.fec_cfg_curr_mod_ext_info & 811 I40E_AQ_PHY_FEC_CONFIG_MASK; 812 813 /* save the requested speeds */ 814 hw->phy.link_info.requested_speeds = config.link_speed; 815 /* set link and auto negotiation so changes take effect */ 816 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK; 817 /* If link is up put link down */ 818 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) { 819 /* Tell the OS link is going down, the link will go 820 * back up when fw says it is ready asynchronously 821 */ 822 i40e_print_link_message(vsi, false); 823 netif_carrier_off(netdev); 824 netif_tx_stop_all_queues(netdev); 825 } 826 827 /* make the aq call */ 828 status = i40e_aq_set_phy_config(hw, &config, NULL); 829 if (status) { 830 netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n", 831 i40e_stat_str(hw, status), 832 i40e_aq_str(hw, hw->aq.asq_last_status)); 833 return -EAGAIN; 834 } 835 836 status = i40e_update_link_info(hw); 837 if (status) 838 netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n", 839 i40e_stat_str(hw, status), 840 i40e_aq_str(hw, hw->aq.asq_last_status)); 841 842 } else { 843 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 844 } 845 846 return err; 847 } 848 849 static int i40e_nway_reset(struct net_device *netdev) 850 { 851 /* restart autonegotiation */ 852 struct i40e_netdev_priv *np = netdev_priv(netdev); 853 struct i40e_pf *pf = np->vsi->back; 854 struct i40e_hw *hw = &pf->hw; 855 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP; 856 i40e_status ret = 0; 857 858 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL); 859 if (ret) { 860 netdev_info(netdev, "link restart failed, err %s aq_err %s\n", 861 i40e_stat_str(hw, ret), 862 i40e_aq_str(hw, hw->aq.asq_last_status)); 863 return -EIO; 864 } 865 866 return 0; 867 } 868 869 /** 870 * i40e_get_pauseparam - Get Flow Control status 871 * Return tx/rx-pause status 872 **/ 873 static void i40e_get_pauseparam(struct net_device *netdev, 874 struct ethtool_pauseparam *pause) 875 { 876 struct i40e_netdev_priv *np = netdev_priv(netdev); 877 struct i40e_pf *pf = np->vsi->back; 878 struct i40e_hw *hw = &pf->hw; 879 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 880 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 881 882 pause->autoneg = 883 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 884 AUTONEG_ENABLE : AUTONEG_DISABLE); 885 886 /* PFC enabled so report LFC as off */ 887 if (dcbx_cfg->pfc.pfcenable) { 888 pause->rx_pause = 0; 889 pause->tx_pause = 0; 890 return; 891 } 892 893 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) { 894 pause->rx_pause = 1; 895 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) { 896 pause->tx_pause = 1; 897 } else if (hw->fc.current_mode == I40E_FC_FULL) { 898 pause->rx_pause = 1; 899 pause->tx_pause = 1; 900 } 901 } 902 903 /** 904 * i40e_set_pauseparam - Set Flow Control parameter 905 * @netdev: network interface device structure 906 * @pause: return tx/rx flow control status 907 **/ 908 static int i40e_set_pauseparam(struct net_device *netdev, 909 struct ethtool_pauseparam *pause) 910 { 911 struct i40e_netdev_priv *np = netdev_priv(netdev); 912 struct i40e_pf *pf = np->vsi->back; 913 struct i40e_vsi *vsi = np->vsi; 914 struct i40e_hw *hw = &pf->hw; 915 struct i40e_link_status *hw_link_info = &hw->phy.link_info; 916 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config; 917 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP; 918 i40e_status status; 919 u8 aq_failures; 920 int err = 0; 921 922 /* Changing the port's flow control is not supported if this isn't the 923 * port's controlling PF 924 */ 925 if (hw->partition_id != 1) { 926 i40e_partition_setting_complaint(pf); 927 return -EOPNOTSUPP; 928 } 929 930 if (vsi != pf->vsi[pf->lan_vsi]) 931 return -EOPNOTSUPP; 932 933 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ? 934 AUTONEG_ENABLE : AUTONEG_DISABLE)) { 935 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 936 return -EOPNOTSUPP; 937 } 938 939 /* If we have link and don't have autoneg */ 940 if (!test_bit(__I40E_DOWN, &pf->state) && 941 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) { 942 /* Send message that it might not necessarily work*/ 943 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 944 } 945 946 if (dcbx_cfg->pfc.pfcenable) { 947 netdev_info(netdev, 948 "Priority flow control enabled. Cannot set link flow control.\n"); 949 return -EOPNOTSUPP; 950 } 951 952 if (pause->rx_pause && pause->tx_pause) 953 hw->fc.requested_mode = I40E_FC_FULL; 954 else if (pause->rx_pause && !pause->tx_pause) 955 hw->fc.requested_mode = I40E_FC_RX_PAUSE; 956 else if (!pause->rx_pause && pause->tx_pause) 957 hw->fc.requested_mode = I40E_FC_TX_PAUSE; 958 else if (!pause->rx_pause && !pause->tx_pause) 959 hw->fc.requested_mode = I40E_FC_NONE; 960 else 961 return -EINVAL; 962 963 /* Tell the OS link is going down, the link will go back up when fw 964 * says it is ready asynchronously 965 */ 966 i40e_print_link_message(vsi, false); 967 netif_carrier_off(netdev); 968 netif_tx_stop_all_queues(netdev); 969 970 /* Set the fc mode and only restart an if link is up*/ 971 status = i40e_set_fc(hw, &aq_failures, link_up); 972 973 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) { 974 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 975 i40e_stat_str(hw, status), 976 i40e_aq_str(hw, hw->aq.asq_last_status)); 977 err = -EAGAIN; 978 } 979 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) { 980 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 981 i40e_stat_str(hw, status), 982 i40e_aq_str(hw, hw->aq.asq_last_status)); 983 err = -EAGAIN; 984 } 985 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) { 986 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 987 i40e_stat_str(hw, status), 988 i40e_aq_str(hw, hw->aq.asq_last_status)); 989 err = -EAGAIN; 990 } 991 992 if (!test_bit(__I40E_DOWN, &pf->state)) { 993 /* Give it a little more time to try to come back */ 994 msleep(75); 995 if (!test_bit(__I40E_DOWN, &pf->state)) 996 return i40e_nway_reset(netdev); 997 } 998 999 return err; 1000 } 1001 1002 static u32 i40e_get_msglevel(struct net_device *netdev) 1003 { 1004 struct i40e_netdev_priv *np = netdev_priv(netdev); 1005 struct i40e_pf *pf = np->vsi->back; 1006 u32 debug_mask = pf->hw.debug_mask; 1007 1008 if (debug_mask) 1009 netdev_info(netdev, "i40e debug_mask: 0x%08X\n", debug_mask); 1010 1011 return pf->msg_enable; 1012 } 1013 1014 static void i40e_set_msglevel(struct net_device *netdev, u32 data) 1015 { 1016 struct i40e_netdev_priv *np = netdev_priv(netdev); 1017 struct i40e_pf *pf = np->vsi->back; 1018 1019 if (I40E_DEBUG_USER & data) 1020 pf->hw.debug_mask = data; 1021 else 1022 pf->msg_enable = data; 1023 } 1024 1025 static int i40e_get_regs_len(struct net_device *netdev) 1026 { 1027 int reg_count = 0; 1028 int i; 1029 1030 for (i = 0; i40e_reg_list[i].offset != 0; i++) 1031 reg_count += i40e_reg_list[i].elements; 1032 1033 return reg_count * sizeof(u32); 1034 } 1035 1036 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs, 1037 void *p) 1038 { 1039 struct i40e_netdev_priv *np = netdev_priv(netdev); 1040 struct i40e_pf *pf = np->vsi->back; 1041 struct i40e_hw *hw = &pf->hw; 1042 u32 *reg_buf = p; 1043 int i, j, ri; 1044 u32 reg; 1045 1046 /* Tell ethtool which driver-version-specific regs output we have. 1047 * 1048 * At some point, if we have ethtool doing special formatting of 1049 * this data, it will rely on this version number to know how to 1050 * interpret things. Hence, this needs to be updated if/when the 1051 * diags register table is changed. 1052 */ 1053 regs->version = 1; 1054 1055 /* loop through the diags reg table for what to print */ 1056 ri = 0; 1057 for (i = 0; i40e_reg_list[i].offset != 0; i++) { 1058 for (j = 0; j < i40e_reg_list[i].elements; j++) { 1059 reg = i40e_reg_list[i].offset 1060 + (j * i40e_reg_list[i].stride); 1061 reg_buf[ri++] = rd32(hw, reg); 1062 } 1063 } 1064 1065 } 1066 1067 static int i40e_get_eeprom(struct net_device *netdev, 1068 struct ethtool_eeprom *eeprom, u8 *bytes) 1069 { 1070 struct i40e_netdev_priv *np = netdev_priv(netdev); 1071 struct i40e_hw *hw = &np->vsi->back->hw; 1072 struct i40e_pf *pf = np->vsi->back; 1073 int ret_val = 0, len, offset; 1074 u8 *eeprom_buff; 1075 u16 i, sectors; 1076 bool last; 1077 u32 magic; 1078 1079 #define I40E_NVM_SECTOR_SIZE 4096 1080 if (eeprom->len == 0) 1081 return -EINVAL; 1082 1083 /* check for NVMUpdate access method */ 1084 magic = hw->vendor_id | (hw->device_id << 16); 1085 if (eeprom->magic && eeprom->magic != magic) { 1086 struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom; 1087 int errno = 0; 1088 1089 /* make sure it is the right magic for NVMUpdate */ 1090 if ((eeprom->magic >> 16) != hw->device_id) 1091 errno = -EINVAL; 1092 else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 1093 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 1094 errno = -EBUSY; 1095 else 1096 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 1097 1098 if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM)) 1099 dev_info(&pf->pdev->dev, 1100 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 1101 ret_val, hw->aq.asq_last_status, errno, 1102 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 1103 cmd->offset, cmd->data_size); 1104 1105 return errno; 1106 } 1107 1108 /* normal ethtool get_eeprom support */ 1109 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 1110 1111 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL); 1112 if (!eeprom_buff) 1113 return -ENOMEM; 1114 1115 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); 1116 if (ret_val) { 1117 dev_info(&pf->pdev->dev, 1118 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1119 ret_val, hw->aq.asq_last_status); 1120 goto free_buff; 1121 } 1122 1123 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE; 1124 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0; 1125 len = I40E_NVM_SECTOR_SIZE; 1126 last = false; 1127 for (i = 0; i < sectors; i++) { 1128 if (i == (sectors - 1)) { 1129 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i); 1130 last = true; 1131 } 1132 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i), 1133 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len, 1134 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i), 1135 last, NULL); 1136 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) { 1137 dev_info(&pf->pdev->dev, 1138 "read NVM failed, invalid offset 0x%x\n", 1139 offset); 1140 break; 1141 } else if (ret_val && 1142 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) { 1143 dev_info(&pf->pdev->dev, 1144 "read NVM failed, access, offset 0x%x\n", 1145 offset); 1146 break; 1147 } else if (ret_val) { 1148 dev_info(&pf->pdev->dev, 1149 "read NVM failed offset %d err=%d status=0x%x\n", 1150 offset, ret_val, hw->aq.asq_last_status); 1151 break; 1152 } 1153 } 1154 1155 i40e_release_nvm(hw); 1156 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len); 1157 free_buff: 1158 kfree(eeprom_buff); 1159 return ret_val; 1160 } 1161 1162 static int i40e_get_eeprom_len(struct net_device *netdev) 1163 { 1164 struct i40e_netdev_priv *np = netdev_priv(netdev); 1165 struct i40e_hw *hw = &np->vsi->back->hw; 1166 u32 val; 1167 1168 val = (rd32(hw, I40E_GLPCI_LBARCTRL) 1169 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK) 1170 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT; 1171 /* register returns value in power of 2, 64Kbyte chunks. */ 1172 val = (64 * 1024) * BIT(val); 1173 return val; 1174 } 1175 1176 static int i40e_set_eeprom(struct net_device *netdev, 1177 struct ethtool_eeprom *eeprom, u8 *bytes) 1178 { 1179 struct i40e_netdev_priv *np = netdev_priv(netdev); 1180 struct i40e_hw *hw = &np->vsi->back->hw; 1181 struct i40e_pf *pf = np->vsi->back; 1182 struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom; 1183 int ret_val = 0; 1184 int errno = 0; 1185 u32 magic; 1186 1187 /* normal ethtool set_eeprom is not supported */ 1188 magic = hw->vendor_id | (hw->device_id << 16); 1189 if (eeprom->magic == magic) 1190 errno = -EOPNOTSUPP; 1191 /* check for NVMUpdate access method */ 1192 else if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id) 1193 errno = -EINVAL; 1194 else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 1195 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 1196 errno = -EBUSY; 1197 else 1198 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno); 1199 1200 if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM)) 1201 dev_info(&pf->pdev->dev, 1202 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n", 1203 ret_val, hw->aq.asq_last_status, errno, 1204 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK), 1205 cmd->offset, cmd->data_size); 1206 1207 return errno; 1208 } 1209 1210 static void i40e_get_drvinfo(struct net_device *netdev, 1211 struct ethtool_drvinfo *drvinfo) 1212 { 1213 struct i40e_netdev_priv *np = netdev_priv(netdev); 1214 struct i40e_vsi *vsi = np->vsi; 1215 struct i40e_pf *pf = vsi->back; 1216 1217 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver)); 1218 strlcpy(drvinfo->version, i40e_driver_version_str, 1219 sizeof(drvinfo->version)); 1220 strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw), 1221 sizeof(drvinfo->fw_version)); 1222 strlcpy(drvinfo->bus_info, pci_name(pf->pdev), 1223 sizeof(drvinfo->bus_info)); 1224 drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN; 1225 if (pf->hw.pf_id == 0) 1226 drvinfo->n_priv_flags += I40E_GL_PRIV_FLAGS_STR_LEN; 1227 } 1228 1229 static void i40e_get_ringparam(struct net_device *netdev, 1230 struct ethtool_ringparam *ring) 1231 { 1232 struct i40e_netdev_priv *np = netdev_priv(netdev); 1233 struct i40e_pf *pf = np->vsi->back; 1234 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; 1235 1236 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1237 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS; 1238 ring->rx_mini_max_pending = 0; 1239 ring->rx_jumbo_max_pending = 0; 1240 ring->rx_pending = vsi->rx_rings[0]->count; 1241 ring->tx_pending = vsi->tx_rings[0]->count; 1242 ring->rx_mini_pending = 0; 1243 ring->rx_jumbo_pending = 0; 1244 } 1245 1246 static int i40e_set_ringparam(struct net_device *netdev, 1247 struct ethtool_ringparam *ring) 1248 { 1249 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL; 1250 struct i40e_netdev_priv *np = netdev_priv(netdev); 1251 struct i40e_hw *hw = &np->vsi->back->hw; 1252 struct i40e_vsi *vsi = np->vsi; 1253 struct i40e_pf *pf = vsi->back; 1254 u32 new_rx_count, new_tx_count; 1255 int i, err = 0; 1256 1257 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 1258 return -EINVAL; 1259 1260 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS || 1261 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS || 1262 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS || 1263 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) { 1264 netdev_info(netdev, 1265 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n", 1266 ring->tx_pending, ring->rx_pending, 1267 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS); 1268 return -EINVAL; 1269 } 1270 1271 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1272 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE); 1273 1274 /* if nothing to do return success */ 1275 if ((new_tx_count == vsi->tx_rings[0]->count) && 1276 (new_rx_count == vsi->rx_rings[0]->count)) 1277 return 0; 1278 1279 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state)) 1280 usleep_range(1000, 2000); 1281 1282 if (!netif_running(vsi->netdev)) { 1283 /* simple case - set for the next time the netdev is started */ 1284 for (i = 0; i < vsi->num_queue_pairs; i++) { 1285 vsi->tx_rings[i]->count = new_tx_count; 1286 vsi->rx_rings[i]->count = new_rx_count; 1287 } 1288 goto done; 1289 } 1290 1291 /* We can't just free everything and then setup again, 1292 * because the ISRs in MSI-X mode get passed pointers 1293 * to the Tx and Rx ring structs. 1294 */ 1295 1296 /* alloc updated Tx resources */ 1297 if (new_tx_count != vsi->tx_rings[0]->count) { 1298 netdev_info(netdev, 1299 "Changing Tx descriptor count from %d to %d.\n", 1300 vsi->tx_rings[0]->count, new_tx_count); 1301 tx_rings = kcalloc(vsi->alloc_queue_pairs, 1302 sizeof(struct i40e_ring), GFP_KERNEL); 1303 if (!tx_rings) { 1304 err = -ENOMEM; 1305 goto done; 1306 } 1307 1308 for (i = 0; i < vsi->num_queue_pairs; i++) { 1309 /* clone ring and setup updated count */ 1310 tx_rings[i] = *vsi->tx_rings[i]; 1311 tx_rings[i].count = new_tx_count; 1312 /* the desc and bi pointers will be reallocated in the 1313 * setup call 1314 */ 1315 tx_rings[i].desc = NULL; 1316 tx_rings[i].rx_bi = NULL; 1317 err = i40e_setup_tx_descriptors(&tx_rings[i]); 1318 if (err) { 1319 while (i) { 1320 i--; 1321 i40e_free_tx_resources(&tx_rings[i]); 1322 } 1323 kfree(tx_rings); 1324 tx_rings = NULL; 1325 1326 goto done; 1327 } 1328 } 1329 } 1330 1331 /* alloc updated Rx resources */ 1332 if (new_rx_count != vsi->rx_rings[0]->count) { 1333 netdev_info(netdev, 1334 "Changing Rx descriptor count from %d to %d\n", 1335 vsi->rx_rings[0]->count, new_rx_count); 1336 rx_rings = kcalloc(vsi->alloc_queue_pairs, 1337 sizeof(struct i40e_ring), GFP_KERNEL); 1338 if (!rx_rings) { 1339 err = -ENOMEM; 1340 goto free_tx; 1341 } 1342 1343 for (i = 0; i < vsi->num_queue_pairs; i++) { 1344 struct i40e_ring *ring; 1345 u16 unused; 1346 1347 /* clone ring and setup updated count */ 1348 rx_rings[i] = *vsi->rx_rings[i]; 1349 rx_rings[i].count = new_rx_count; 1350 /* the desc and bi pointers will be reallocated in the 1351 * setup call 1352 */ 1353 rx_rings[i].desc = NULL; 1354 rx_rings[i].rx_bi = NULL; 1355 /* this is to allow wr32 to have something to write to 1356 * during early allocation of Rx buffers 1357 */ 1358 rx_rings[i].tail = hw->hw_addr + I40E_PRTGEN_STATUS; 1359 err = i40e_setup_rx_descriptors(&rx_rings[i]); 1360 if (err) 1361 goto rx_unwind; 1362 1363 /* now allocate the Rx buffers to make sure the OS 1364 * has enough memory, any failure here means abort 1365 */ 1366 ring = &rx_rings[i]; 1367 unused = I40E_DESC_UNUSED(ring); 1368 err = i40e_alloc_rx_buffers(ring, unused); 1369 rx_unwind: 1370 if (err) { 1371 do { 1372 i40e_free_rx_resources(&rx_rings[i]); 1373 } while (i--); 1374 kfree(rx_rings); 1375 rx_rings = NULL; 1376 1377 goto free_tx; 1378 } 1379 } 1380 } 1381 1382 /* Bring interface down, copy in the new ring info, 1383 * then restore the interface 1384 */ 1385 i40e_down(vsi); 1386 1387 if (tx_rings) { 1388 for (i = 0; i < vsi->num_queue_pairs; i++) { 1389 i40e_free_tx_resources(vsi->tx_rings[i]); 1390 *vsi->tx_rings[i] = tx_rings[i]; 1391 } 1392 kfree(tx_rings); 1393 tx_rings = NULL; 1394 } 1395 1396 if (rx_rings) { 1397 for (i = 0; i < vsi->num_queue_pairs; i++) { 1398 i40e_free_rx_resources(vsi->rx_rings[i]); 1399 /* get the real tail offset */ 1400 rx_rings[i].tail = vsi->rx_rings[i]->tail; 1401 /* this is to fake out the allocation routine 1402 * into thinking it has to realloc everything 1403 * but the recycling logic will let us re-use 1404 * the buffers allocated above 1405 */ 1406 rx_rings[i].next_to_use = 0; 1407 rx_rings[i].next_to_clean = 0; 1408 rx_rings[i].next_to_alloc = 0; 1409 /* do a struct copy */ 1410 *vsi->rx_rings[i] = rx_rings[i]; 1411 } 1412 kfree(rx_rings); 1413 rx_rings = NULL; 1414 } 1415 1416 i40e_up(vsi); 1417 1418 free_tx: 1419 /* error cleanup if the Rx allocations failed after getting Tx */ 1420 if (tx_rings) { 1421 for (i = 0; i < vsi->num_queue_pairs; i++) 1422 i40e_free_tx_resources(&tx_rings[i]); 1423 kfree(tx_rings); 1424 tx_rings = NULL; 1425 } 1426 1427 done: 1428 clear_bit(__I40E_CONFIG_BUSY, &pf->state); 1429 1430 return err; 1431 } 1432 1433 static int i40e_get_sset_count(struct net_device *netdev, int sset) 1434 { 1435 struct i40e_netdev_priv *np = netdev_priv(netdev); 1436 struct i40e_vsi *vsi = np->vsi; 1437 struct i40e_pf *pf = vsi->back; 1438 1439 switch (sset) { 1440 case ETH_SS_TEST: 1441 return I40E_TEST_LEN; 1442 case ETH_SS_STATS: 1443 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) { 1444 int len = I40E_PF_STATS_LEN(netdev); 1445 1446 if ((pf->lan_veb != I40E_NO_VEB) && 1447 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) 1448 len += I40E_VEB_STATS_TOTAL; 1449 return len; 1450 } else { 1451 return I40E_VSI_STATS_LEN(netdev); 1452 } 1453 case ETH_SS_PRIV_FLAGS: 1454 return I40E_PRIV_FLAGS_STR_LEN + 1455 (pf->hw.pf_id == 0 ? I40E_GL_PRIV_FLAGS_STR_LEN : 0); 1456 default: 1457 return -EOPNOTSUPP; 1458 } 1459 } 1460 1461 static void i40e_get_ethtool_stats(struct net_device *netdev, 1462 struct ethtool_stats *stats, u64 *data) 1463 { 1464 struct i40e_netdev_priv *np = netdev_priv(netdev); 1465 struct i40e_ring *tx_ring, *rx_ring; 1466 struct i40e_vsi *vsi = np->vsi; 1467 struct i40e_pf *pf = vsi->back; 1468 int i = 0; 1469 char *p; 1470 int j; 1471 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi); 1472 unsigned int start; 1473 1474 i40e_update_stats(vsi); 1475 1476 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) { 1477 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset; 1478 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat == 1479 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1480 } 1481 for (j = 0; j < I40E_MISC_STATS_LEN; j++) { 1482 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset; 1483 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat == 1484 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1485 } 1486 #ifdef I40E_FCOE 1487 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) { 1488 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset; 1489 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat == 1490 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1491 } 1492 #endif 1493 rcu_read_lock(); 1494 for (j = 0; j < vsi->num_queue_pairs; j++) { 1495 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]); 1496 1497 if (!tx_ring) 1498 continue; 1499 1500 /* process Tx ring statistics */ 1501 do { 1502 start = u64_stats_fetch_begin_irq(&tx_ring->syncp); 1503 data[i] = tx_ring->stats.packets; 1504 data[i + 1] = tx_ring->stats.bytes; 1505 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start)); 1506 i += 2; 1507 1508 /* Rx ring is the 2nd half of the queue pair */ 1509 rx_ring = &tx_ring[1]; 1510 do { 1511 start = u64_stats_fetch_begin_irq(&rx_ring->syncp); 1512 data[i] = rx_ring->stats.packets; 1513 data[i + 1] = rx_ring->stats.bytes; 1514 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start)); 1515 i += 2; 1516 } 1517 rcu_read_unlock(); 1518 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1519 return; 1520 1521 if ((pf->lan_veb != I40E_NO_VEB) && 1522 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 1523 struct i40e_veb *veb = pf->veb[pf->lan_veb]; 1524 1525 for (j = 0; j < I40E_VEB_STATS_LEN; j++) { 1526 p = (char *)veb; 1527 p += i40e_gstrings_veb_stats[j].stat_offset; 1528 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat == 1529 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1530 } 1531 for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) { 1532 data[i++] = veb->tc_stats.tc_tx_packets[j]; 1533 data[i++] = veb->tc_stats.tc_tx_bytes[j]; 1534 data[i++] = veb->tc_stats.tc_rx_packets[j]; 1535 data[i++] = veb->tc_stats.tc_rx_bytes[j]; 1536 } 1537 } 1538 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) { 1539 p = (char *)pf + i40e_gstrings_stats[j].stat_offset; 1540 data[i++] = (i40e_gstrings_stats[j].sizeof_stat == 1541 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1542 } 1543 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1544 data[i++] = pf->stats.priority_xon_tx[j]; 1545 data[i++] = pf->stats.priority_xoff_tx[j]; 1546 } 1547 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) { 1548 data[i++] = pf->stats.priority_xon_rx[j]; 1549 data[i++] = pf->stats.priority_xoff_rx[j]; 1550 } 1551 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) 1552 data[i++] = pf->stats.priority_xon_2_xoff[j]; 1553 } 1554 1555 static void i40e_get_strings(struct net_device *netdev, u32 stringset, 1556 u8 *data) 1557 { 1558 struct i40e_netdev_priv *np = netdev_priv(netdev); 1559 struct i40e_vsi *vsi = np->vsi; 1560 struct i40e_pf *pf = vsi->back; 1561 char *p = (char *)data; 1562 int i; 1563 1564 switch (stringset) { 1565 case ETH_SS_TEST: 1566 memcpy(data, i40e_gstrings_test, 1567 I40E_TEST_LEN * ETH_GSTRING_LEN); 1568 break; 1569 case ETH_SS_STATS: 1570 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) { 1571 snprintf(p, ETH_GSTRING_LEN, "%s", 1572 i40e_gstrings_net_stats[i].stat_string); 1573 p += ETH_GSTRING_LEN; 1574 } 1575 for (i = 0; i < I40E_MISC_STATS_LEN; i++) { 1576 snprintf(p, ETH_GSTRING_LEN, "%s", 1577 i40e_gstrings_misc_stats[i].stat_string); 1578 p += ETH_GSTRING_LEN; 1579 } 1580 #ifdef I40E_FCOE 1581 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) { 1582 snprintf(p, ETH_GSTRING_LEN, "%s", 1583 i40e_gstrings_fcoe_stats[i].stat_string); 1584 p += ETH_GSTRING_LEN; 1585 } 1586 #endif 1587 for (i = 0; i < vsi->num_queue_pairs; i++) { 1588 snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_packets", i); 1589 p += ETH_GSTRING_LEN; 1590 snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_bytes", i); 1591 p += ETH_GSTRING_LEN; 1592 snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_packets", i); 1593 p += ETH_GSTRING_LEN; 1594 snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_bytes", i); 1595 p += ETH_GSTRING_LEN; 1596 } 1597 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1) 1598 return; 1599 1600 if ((pf->lan_veb != I40E_NO_VEB) && 1601 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 1602 for (i = 0; i < I40E_VEB_STATS_LEN; i++) { 1603 snprintf(p, ETH_GSTRING_LEN, "veb.%s", 1604 i40e_gstrings_veb_stats[i].stat_string); 1605 p += ETH_GSTRING_LEN; 1606 } 1607 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1608 snprintf(p, ETH_GSTRING_LEN, 1609 "veb.tc_%d_tx_packets", i); 1610 p += ETH_GSTRING_LEN; 1611 snprintf(p, ETH_GSTRING_LEN, 1612 "veb.tc_%d_tx_bytes", i); 1613 p += ETH_GSTRING_LEN; 1614 snprintf(p, ETH_GSTRING_LEN, 1615 "veb.tc_%d_rx_packets", i); 1616 p += ETH_GSTRING_LEN; 1617 snprintf(p, ETH_GSTRING_LEN, 1618 "veb.tc_%d_rx_bytes", i); 1619 p += ETH_GSTRING_LEN; 1620 } 1621 } 1622 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) { 1623 snprintf(p, ETH_GSTRING_LEN, "port.%s", 1624 i40e_gstrings_stats[i].stat_string); 1625 p += ETH_GSTRING_LEN; 1626 } 1627 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1628 snprintf(p, ETH_GSTRING_LEN, 1629 "port.tx_priority_%d_xon", i); 1630 p += ETH_GSTRING_LEN; 1631 snprintf(p, ETH_GSTRING_LEN, 1632 "port.tx_priority_%d_xoff", i); 1633 p += ETH_GSTRING_LEN; 1634 } 1635 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1636 snprintf(p, ETH_GSTRING_LEN, 1637 "port.rx_priority_%d_xon", i); 1638 p += ETH_GSTRING_LEN; 1639 snprintf(p, ETH_GSTRING_LEN, 1640 "port.rx_priority_%d_xoff", i); 1641 p += ETH_GSTRING_LEN; 1642 } 1643 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) { 1644 snprintf(p, ETH_GSTRING_LEN, 1645 "port.rx_priority_%d_xon_2_xoff", i); 1646 p += ETH_GSTRING_LEN; 1647 } 1648 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */ 1649 break; 1650 case ETH_SS_PRIV_FLAGS: 1651 memcpy(data, i40e_priv_flags_strings, 1652 I40E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN); 1653 data += I40E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN; 1654 if (pf->hw.pf_id == 0) 1655 memcpy(data, i40e_gl_priv_flags_strings, 1656 I40E_GL_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN); 1657 break; 1658 default: 1659 break; 1660 } 1661 } 1662 1663 static int i40e_get_ts_info(struct net_device *dev, 1664 struct ethtool_ts_info *info) 1665 { 1666 struct i40e_pf *pf = i40e_netdev_to_pf(dev); 1667 1668 /* only report HW timestamping if PTP is enabled */ 1669 if (!(pf->flags & I40E_FLAG_PTP)) 1670 return ethtool_op_get_ts_info(dev, info); 1671 1672 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 1673 SOF_TIMESTAMPING_RX_SOFTWARE | 1674 SOF_TIMESTAMPING_SOFTWARE | 1675 SOF_TIMESTAMPING_TX_HARDWARE | 1676 SOF_TIMESTAMPING_RX_HARDWARE | 1677 SOF_TIMESTAMPING_RAW_HARDWARE; 1678 1679 if (pf->ptp_clock) 1680 info->phc_index = ptp_clock_index(pf->ptp_clock); 1681 else 1682 info->phc_index = -1; 1683 1684 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 1685 1686 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | 1687 BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) | 1688 BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) | 1689 BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ); 1690 1691 if (pf->flags & I40E_FLAG_PTP_L4_CAPABLE) 1692 info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) | 1693 BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) | 1694 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) | 1695 BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | 1696 BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) | 1697 BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | 1698 BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) | 1699 BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ); 1700 1701 return 0; 1702 } 1703 1704 static int i40e_link_test(struct net_device *netdev, u64 *data) 1705 { 1706 struct i40e_netdev_priv *np = netdev_priv(netdev); 1707 struct i40e_pf *pf = np->vsi->back; 1708 i40e_status status; 1709 bool link_up = false; 1710 1711 netif_info(pf, hw, netdev, "link test\n"); 1712 status = i40e_get_link_status(&pf->hw, &link_up); 1713 if (status) { 1714 netif_err(pf, drv, netdev, "link query timed out, please retry test\n"); 1715 *data = 1; 1716 return *data; 1717 } 1718 1719 if (link_up) 1720 *data = 0; 1721 else 1722 *data = 1; 1723 1724 return *data; 1725 } 1726 1727 static int i40e_reg_test(struct net_device *netdev, u64 *data) 1728 { 1729 struct i40e_netdev_priv *np = netdev_priv(netdev); 1730 struct i40e_pf *pf = np->vsi->back; 1731 1732 netif_info(pf, hw, netdev, "register test\n"); 1733 *data = i40e_diag_reg_test(&pf->hw); 1734 1735 return *data; 1736 } 1737 1738 static int i40e_eeprom_test(struct net_device *netdev, u64 *data) 1739 { 1740 struct i40e_netdev_priv *np = netdev_priv(netdev); 1741 struct i40e_pf *pf = np->vsi->back; 1742 1743 netif_info(pf, hw, netdev, "eeprom test\n"); 1744 *data = i40e_diag_eeprom_test(&pf->hw); 1745 1746 /* forcebly clear the NVM Update state machine */ 1747 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT; 1748 1749 return *data; 1750 } 1751 1752 static int i40e_intr_test(struct net_device *netdev, u64 *data) 1753 { 1754 struct i40e_netdev_priv *np = netdev_priv(netdev); 1755 struct i40e_pf *pf = np->vsi->back; 1756 u16 swc_old = pf->sw_int_count; 1757 1758 netif_info(pf, hw, netdev, "interrupt test\n"); 1759 wr32(&pf->hw, I40E_PFINT_DYN_CTL0, 1760 (I40E_PFINT_DYN_CTL0_INTENA_MASK | 1761 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK | 1762 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK | 1763 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK | 1764 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK)); 1765 usleep_range(1000, 2000); 1766 *data = (swc_old == pf->sw_int_count); 1767 1768 return *data; 1769 } 1770 1771 static inline bool i40e_active_vfs(struct i40e_pf *pf) 1772 { 1773 struct i40e_vf *vfs = pf->vf; 1774 int i; 1775 1776 for (i = 0; i < pf->num_alloc_vfs; i++) 1777 if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states)) 1778 return true; 1779 return false; 1780 } 1781 1782 static inline bool i40e_active_vmdqs(struct i40e_pf *pf) 1783 { 1784 return !!i40e_find_vsi_by_type(pf, I40E_VSI_VMDQ2); 1785 } 1786 1787 static void i40e_diag_test(struct net_device *netdev, 1788 struct ethtool_test *eth_test, u64 *data) 1789 { 1790 struct i40e_netdev_priv *np = netdev_priv(netdev); 1791 bool if_running = netif_running(netdev); 1792 struct i40e_pf *pf = np->vsi->back; 1793 1794 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 1795 /* Offline tests */ 1796 netif_info(pf, drv, netdev, "offline testing starting\n"); 1797 1798 set_bit(__I40E_TESTING, &pf->state); 1799 1800 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) { 1801 dev_warn(&pf->pdev->dev, 1802 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 1803 data[I40E_ETH_TEST_REG] = 1; 1804 data[I40E_ETH_TEST_EEPROM] = 1; 1805 data[I40E_ETH_TEST_INTR] = 1; 1806 data[I40E_ETH_TEST_LINK] = 1; 1807 eth_test->flags |= ETH_TEST_FL_FAILED; 1808 clear_bit(__I40E_TESTING, &pf->state); 1809 goto skip_ol_tests; 1810 } 1811 1812 /* If the device is online then take it offline */ 1813 if (if_running) 1814 /* indicate we're in test mode */ 1815 i40e_close(netdev); 1816 else 1817 /* This reset does not affect link - if it is 1818 * changed to a type of reset that does affect 1819 * link then the following link test would have 1820 * to be moved to before the reset 1821 */ 1822 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1823 1824 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1825 eth_test->flags |= ETH_TEST_FL_FAILED; 1826 1827 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM])) 1828 eth_test->flags |= ETH_TEST_FL_FAILED; 1829 1830 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR])) 1831 eth_test->flags |= ETH_TEST_FL_FAILED; 1832 1833 /* run reg test last, a reset is required after it */ 1834 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG])) 1835 eth_test->flags |= ETH_TEST_FL_FAILED; 1836 1837 clear_bit(__I40E_TESTING, &pf->state); 1838 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1839 1840 if (if_running) 1841 i40e_open(netdev); 1842 } else { 1843 /* Online tests */ 1844 netif_info(pf, drv, netdev, "online testing starting\n"); 1845 1846 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK])) 1847 eth_test->flags |= ETH_TEST_FL_FAILED; 1848 1849 /* Offline only tests, not run in online; pass by default */ 1850 data[I40E_ETH_TEST_REG] = 0; 1851 data[I40E_ETH_TEST_EEPROM] = 0; 1852 data[I40E_ETH_TEST_INTR] = 0; 1853 } 1854 1855 skip_ol_tests: 1856 1857 netif_info(pf, drv, netdev, "testing finished\n"); 1858 } 1859 1860 static void i40e_get_wol(struct net_device *netdev, 1861 struct ethtool_wolinfo *wol) 1862 { 1863 struct i40e_netdev_priv *np = netdev_priv(netdev); 1864 struct i40e_pf *pf = np->vsi->back; 1865 struct i40e_hw *hw = &pf->hw; 1866 u16 wol_nvm_bits; 1867 1868 /* NVM bit on means WoL disabled for the port */ 1869 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1870 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) { 1871 wol->supported = 0; 1872 wol->wolopts = 0; 1873 } else { 1874 wol->supported = WAKE_MAGIC; 1875 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0); 1876 } 1877 } 1878 1879 /** 1880 * i40e_set_wol - set the WakeOnLAN configuration 1881 * @netdev: the netdev in question 1882 * @wol: the ethtool WoL setting data 1883 **/ 1884 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1885 { 1886 struct i40e_netdev_priv *np = netdev_priv(netdev); 1887 struct i40e_pf *pf = np->vsi->back; 1888 struct i40e_vsi *vsi = np->vsi; 1889 struct i40e_hw *hw = &pf->hw; 1890 u16 wol_nvm_bits; 1891 1892 /* WoL not supported if this isn't the controlling PF on the port */ 1893 if (hw->partition_id != 1) { 1894 i40e_partition_setting_complaint(pf); 1895 return -EOPNOTSUPP; 1896 } 1897 1898 if (vsi != pf->vsi[pf->lan_vsi]) 1899 return -EOPNOTSUPP; 1900 1901 /* NVM bit on means WoL disabled for the port */ 1902 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits); 1903 if (BIT(hw->port) & wol_nvm_bits) 1904 return -EOPNOTSUPP; 1905 1906 /* only magic packet is supported */ 1907 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC)) 1908 return -EOPNOTSUPP; 1909 1910 /* is this a new value? */ 1911 if (pf->wol_en != !!wol->wolopts) { 1912 pf->wol_en = !!wol->wolopts; 1913 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en); 1914 } 1915 1916 return 0; 1917 } 1918 1919 static int i40e_set_phys_id(struct net_device *netdev, 1920 enum ethtool_phys_id_state state) 1921 { 1922 struct i40e_netdev_priv *np = netdev_priv(netdev); 1923 i40e_status ret = 0; 1924 struct i40e_pf *pf = np->vsi->back; 1925 struct i40e_hw *hw = &pf->hw; 1926 int blink_freq = 2; 1927 u16 temp_status; 1928 1929 switch (state) { 1930 case ETHTOOL_ID_ACTIVE: 1931 if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS)) { 1932 pf->led_status = i40e_led_get(hw); 1933 } else { 1934 i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_ALL, NULL); 1935 ret = i40e_led_get_phy(hw, &temp_status, 1936 &pf->phy_led_val); 1937 pf->led_status = temp_status; 1938 } 1939 return blink_freq; 1940 case ETHTOOL_ID_ON: 1941 if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS)) 1942 i40e_led_set(hw, 0xf, false); 1943 else 1944 ret = i40e_led_set_phy(hw, true, pf->led_status, 0); 1945 break; 1946 case ETHTOOL_ID_OFF: 1947 if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS)) 1948 i40e_led_set(hw, 0x0, false); 1949 else 1950 ret = i40e_led_set_phy(hw, false, pf->led_status, 0); 1951 break; 1952 case ETHTOOL_ID_INACTIVE: 1953 if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS)) { 1954 i40e_led_set(hw, pf->led_status, false); 1955 } else { 1956 ret = i40e_led_set_phy(hw, false, pf->led_status, 1957 (pf->phy_led_val | 1958 I40E_PHY_LED_MODE_ORIG)); 1959 i40e_aq_set_phy_debug(hw, 0, NULL); 1960 } 1961 break; 1962 default: 1963 break; 1964 } 1965 if (ret) 1966 return -ENOENT; 1967 else 1968 return 0; 1969 } 1970 1971 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt 1972 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also 1973 * 125us (8000 interrupts per second) == ITR(62) 1974 */ 1975 1976 /** 1977 * __i40e_get_coalesce - get per-queue coalesce settings 1978 * @netdev: the netdev to check 1979 * @ec: ethtool coalesce data structure 1980 * @queue: which queue to pick 1981 * 1982 * Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs 1983 * are per queue. If queue is <0 then we default to queue 0 as the 1984 * representative value. 1985 **/ 1986 static int __i40e_get_coalesce(struct net_device *netdev, 1987 struct ethtool_coalesce *ec, 1988 int queue) 1989 { 1990 struct i40e_netdev_priv *np = netdev_priv(netdev); 1991 struct i40e_ring *rx_ring, *tx_ring; 1992 struct i40e_vsi *vsi = np->vsi; 1993 1994 ec->tx_max_coalesced_frames_irq = vsi->work_limit; 1995 ec->rx_max_coalesced_frames_irq = vsi->work_limit; 1996 1997 /* rx and tx usecs has per queue value. If user doesn't specify the queue, 1998 * return queue 0's value to represent. 1999 */ 2000 if (queue < 0) { 2001 queue = 0; 2002 } else if (queue >= vsi->num_queue_pairs) { 2003 return -EINVAL; 2004 } 2005 2006 rx_ring = vsi->rx_rings[queue]; 2007 tx_ring = vsi->tx_rings[queue]; 2008 2009 if (ITR_IS_DYNAMIC(rx_ring->rx_itr_setting)) 2010 ec->use_adaptive_rx_coalesce = 1; 2011 2012 if (ITR_IS_DYNAMIC(tx_ring->tx_itr_setting)) 2013 ec->use_adaptive_tx_coalesce = 1; 2014 2015 ec->rx_coalesce_usecs = rx_ring->rx_itr_setting & ~I40E_ITR_DYNAMIC; 2016 ec->tx_coalesce_usecs = tx_ring->tx_itr_setting & ~I40E_ITR_DYNAMIC; 2017 2018 2019 /* we use the _usecs_high to store/set the interrupt rate limit 2020 * that the hardware supports, that almost but not quite 2021 * fits the original intent of the ethtool variable, 2022 * the rx_coalesce_usecs_high limits total interrupts 2023 * per second from both tx/rx sources. 2024 */ 2025 ec->rx_coalesce_usecs_high = vsi->int_rate_limit; 2026 ec->tx_coalesce_usecs_high = vsi->int_rate_limit; 2027 2028 return 0; 2029 } 2030 2031 /** 2032 * i40e_get_coalesce - get a netdev's coalesce settings 2033 * @netdev: the netdev to check 2034 * @ec: ethtool coalesce data structure 2035 * 2036 * Gets the coalesce settings for a particular netdev. Note that if user has 2037 * modified per-queue settings, this only guarantees to represent queue 0. See 2038 * __i40e_get_coalesce for more details. 2039 **/ 2040 static int i40e_get_coalesce(struct net_device *netdev, 2041 struct ethtool_coalesce *ec) 2042 { 2043 return __i40e_get_coalesce(netdev, ec, -1); 2044 } 2045 2046 /** 2047 * i40e_get_per_queue_coalesce - gets coalesce settings for particular queue 2048 * @netdev: netdev structure 2049 * @ec: ethtool's coalesce settings 2050 * @queue: the particular queue to read 2051 * 2052 * Will read a specific queue's coalesce settings 2053 **/ 2054 static int i40e_get_per_queue_coalesce(struct net_device *netdev, u32 queue, 2055 struct ethtool_coalesce *ec) 2056 { 2057 return __i40e_get_coalesce(netdev, ec, queue); 2058 } 2059 2060 /** 2061 * i40e_set_itr_per_queue - set ITR values for specific queue 2062 * @vsi: the VSI to set values for 2063 * @ec: coalesce settings from ethtool 2064 * @queue: the queue to modify 2065 * 2066 * Change the ITR settings for a specific queue. 2067 **/ 2068 2069 static void i40e_set_itr_per_queue(struct i40e_vsi *vsi, 2070 struct ethtool_coalesce *ec, 2071 int queue) 2072 { 2073 struct i40e_pf *pf = vsi->back; 2074 struct i40e_hw *hw = &pf->hw; 2075 struct i40e_q_vector *q_vector; 2076 u16 vector, intrl; 2077 2078 intrl = i40e_intrl_usec_to_reg(vsi->int_rate_limit); 2079 2080 vsi->rx_rings[queue]->rx_itr_setting = ec->rx_coalesce_usecs; 2081 vsi->tx_rings[queue]->tx_itr_setting = ec->tx_coalesce_usecs; 2082 2083 if (ec->use_adaptive_rx_coalesce) 2084 vsi->rx_rings[queue]->rx_itr_setting |= I40E_ITR_DYNAMIC; 2085 else 2086 vsi->rx_rings[queue]->rx_itr_setting &= ~I40E_ITR_DYNAMIC; 2087 2088 if (ec->use_adaptive_tx_coalesce) 2089 vsi->tx_rings[queue]->tx_itr_setting |= I40E_ITR_DYNAMIC; 2090 else 2091 vsi->tx_rings[queue]->tx_itr_setting &= ~I40E_ITR_DYNAMIC; 2092 2093 q_vector = vsi->rx_rings[queue]->q_vector; 2094 q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[queue]->rx_itr_setting); 2095 vector = vsi->base_vector + q_vector->v_idx; 2096 wr32(hw, I40E_PFINT_ITRN(I40E_RX_ITR, vector - 1), q_vector->rx.itr); 2097 2098 q_vector = vsi->tx_rings[queue]->q_vector; 2099 q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[queue]->tx_itr_setting); 2100 vector = vsi->base_vector + q_vector->v_idx; 2101 wr32(hw, I40E_PFINT_ITRN(I40E_TX_ITR, vector - 1), q_vector->tx.itr); 2102 2103 wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl); 2104 i40e_flush(hw); 2105 } 2106 2107 /** 2108 * __i40e_set_coalesce - set coalesce settings for particular queue 2109 * @netdev: the netdev to change 2110 * @ec: ethtool coalesce settings 2111 * @queue: the queue to change 2112 * 2113 * Sets the coalesce settings for a particular queue. 2114 **/ 2115 static int __i40e_set_coalesce(struct net_device *netdev, 2116 struct ethtool_coalesce *ec, 2117 int queue) 2118 { 2119 struct i40e_netdev_priv *np = netdev_priv(netdev); 2120 struct i40e_vsi *vsi = np->vsi; 2121 struct i40e_pf *pf = vsi->back; 2122 u16 intrl_reg; 2123 int i; 2124 2125 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) 2126 vsi->work_limit = ec->tx_max_coalesced_frames_irq; 2127 2128 /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */ 2129 if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) { 2130 netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n"); 2131 return -EINVAL; 2132 } 2133 2134 if (ec->rx_coalesce_usecs_high > INTRL_REG_TO_USEC(I40E_MAX_INTRL)) { 2135 netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-%lu\n", 2136 INTRL_REG_TO_USEC(I40E_MAX_INTRL)); 2137 return -EINVAL; 2138 } 2139 2140 if (ec->rx_coalesce_usecs == 0) { 2141 if (ec->use_adaptive_rx_coalesce) 2142 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n"); 2143 } else if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) || 2144 (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) { 2145 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n"); 2146 return -EINVAL; 2147 } 2148 2149 intrl_reg = i40e_intrl_usec_to_reg(ec->rx_coalesce_usecs_high); 2150 vsi->int_rate_limit = INTRL_REG_TO_USEC(intrl_reg); 2151 if (vsi->int_rate_limit != ec->rx_coalesce_usecs_high) { 2152 netif_info(pf, drv, netdev, "Interrupt rate limit rounded down to %d\n", 2153 vsi->int_rate_limit); 2154 } 2155 2156 if (ec->tx_coalesce_usecs == 0) { 2157 if (ec->use_adaptive_tx_coalesce) 2158 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n"); 2159 } else if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) || 2160 (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) { 2161 netif_info(pf, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n"); 2162 return -EINVAL; 2163 } 2164 2165 /* rx and tx usecs has per queue value. If user doesn't specify the queue, 2166 * apply to all queues. 2167 */ 2168 if (queue < 0) { 2169 for (i = 0; i < vsi->num_queue_pairs; i++) 2170 i40e_set_itr_per_queue(vsi, ec, i); 2171 } else if (queue < vsi->num_queue_pairs) { 2172 i40e_set_itr_per_queue(vsi, ec, queue); 2173 } else { 2174 netif_info(pf, drv, netdev, "Invalid queue value, queue range is 0 - %d\n", 2175 vsi->num_queue_pairs - 1); 2176 return -EINVAL; 2177 } 2178 2179 return 0; 2180 } 2181 2182 /** 2183 * i40e_set_coalesce - set coalesce settings for every queue on the netdev 2184 * @netdev: the netdev to change 2185 * @ec: ethtool coalesce settings 2186 * 2187 * This will set each queue to the same coalesce settings. 2188 **/ 2189 static int i40e_set_coalesce(struct net_device *netdev, 2190 struct ethtool_coalesce *ec) 2191 { 2192 return __i40e_set_coalesce(netdev, ec, -1); 2193 } 2194 2195 /** 2196 * i40e_set_per_queue_coalesce - set specific queue's coalesce settings 2197 * @netdev: the netdev to change 2198 * @ec: ethtool's coalesce settings 2199 * @queue: the queue to change 2200 * 2201 * Sets the specified queue's coalesce settings. 2202 **/ 2203 static int i40e_set_per_queue_coalesce(struct net_device *netdev, u32 queue, 2204 struct ethtool_coalesce *ec) 2205 { 2206 return __i40e_set_coalesce(netdev, ec, queue); 2207 } 2208 2209 /** 2210 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type 2211 * @pf: pointer to the physical function struct 2212 * @cmd: ethtool rxnfc command 2213 * 2214 * Returns Success if the flow is supported, else Invalid Input. 2215 **/ 2216 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd) 2217 { 2218 struct i40e_hw *hw = &pf->hw; 2219 u8 flow_pctype = 0; 2220 u64 i_set = 0; 2221 2222 cmd->data = 0; 2223 2224 switch (cmd->flow_type) { 2225 case TCP_V4_FLOW: 2226 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP; 2227 break; 2228 case UDP_V4_FLOW: 2229 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP; 2230 break; 2231 case TCP_V6_FLOW: 2232 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP; 2233 break; 2234 case UDP_V6_FLOW: 2235 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP; 2236 break; 2237 case SCTP_V4_FLOW: 2238 case AH_ESP_V4_FLOW: 2239 case AH_V4_FLOW: 2240 case ESP_V4_FLOW: 2241 case IPV4_FLOW: 2242 case SCTP_V6_FLOW: 2243 case AH_ESP_V6_FLOW: 2244 case AH_V6_FLOW: 2245 case ESP_V6_FLOW: 2246 case IPV6_FLOW: 2247 /* Default is src/dest for IP, no matter the L4 hashing */ 2248 cmd->data |= RXH_IP_SRC | RXH_IP_DST; 2249 break; 2250 default: 2251 return -EINVAL; 2252 } 2253 2254 /* Read flow based hash input set register */ 2255 if (flow_pctype) { 2256 i_set = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, 2257 flow_pctype)) | 2258 ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, 2259 flow_pctype)) << 32); 2260 } 2261 2262 /* Process bits of hash input set */ 2263 if (i_set) { 2264 if (i_set & I40E_L4_SRC_MASK) 2265 cmd->data |= RXH_L4_B_0_1; 2266 if (i_set & I40E_L4_DST_MASK) 2267 cmd->data |= RXH_L4_B_2_3; 2268 2269 if (cmd->flow_type == TCP_V4_FLOW || 2270 cmd->flow_type == UDP_V4_FLOW) { 2271 if (i_set & I40E_L3_SRC_MASK) 2272 cmd->data |= RXH_IP_SRC; 2273 if (i_set & I40E_L3_DST_MASK) 2274 cmd->data |= RXH_IP_DST; 2275 } else if (cmd->flow_type == TCP_V6_FLOW || 2276 cmd->flow_type == UDP_V6_FLOW) { 2277 if (i_set & I40E_L3_V6_SRC_MASK) 2278 cmd->data |= RXH_IP_SRC; 2279 if (i_set & I40E_L3_V6_DST_MASK) 2280 cmd->data |= RXH_IP_DST; 2281 } 2282 } 2283 2284 return 0; 2285 } 2286 2287 /** 2288 * i40e_get_ethtool_fdir_all - Populates the rule count of a command 2289 * @pf: Pointer to the physical function struct 2290 * @cmd: The command to get or set Rx flow classification rules 2291 * @rule_locs: Array of used rule locations 2292 * 2293 * This function populates both the total and actual rule count of 2294 * the ethtool flow classification command 2295 * 2296 * Returns 0 on success or -EMSGSIZE if entry not found 2297 **/ 2298 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf, 2299 struct ethtool_rxnfc *cmd, 2300 u32 *rule_locs) 2301 { 2302 struct i40e_fdir_filter *rule; 2303 struct hlist_node *node2; 2304 int cnt = 0; 2305 2306 /* report total rule count */ 2307 cmd->data = i40e_get_fd_cnt_all(pf); 2308 2309 hlist_for_each_entry_safe(rule, node2, 2310 &pf->fdir_filter_list, fdir_node) { 2311 if (cnt == cmd->rule_cnt) 2312 return -EMSGSIZE; 2313 2314 rule_locs[cnt] = rule->fd_id; 2315 cnt++; 2316 } 2317 2318 cmd->rule_cnt = cnt; 2319 2320 return 0; 2321 } 2322 2323 /** 2324 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow 2325 * @pf: Pointer to the physical function struct 2326 * @cmd: The command to get or set Rx flow classification rules 2327 * 2328 * This function looks up a filter based on the Rx flow classification 2329 * command and fills the flow spec info for it if found 2330 * 2331 * Returns 0 on success or -EINVAL if filter not found 2332 **/ 2333 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf, 2334 struct ethtool_rxnfc *cmd) 2335 { 2336 struct ethtool_rx_flow_spec *fsp = 2337 (struct ethtool_rx_flow_spec *)&cmd->fs; 2338 struct i40e_fdir_filter *rule = NULL; 2339 struct hlist_node *node2; 2340 2341 hlist_for_each_entry_safe(rule, node2, 2342 &pf->fdir_filter_list, fdir_node) { 2343 if (fsp->location <= rule->fd_id) 2344 break; 2345 } 2346 2347 if (!rule || fsp->location != rule->fd_id) 2348 return -EINVAL; 2349 2350 fsp->flow_type = rule->flow_type; 2351 if (fsp->flow_type == IP_USER_FLOW) { 2352 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; 2353 fsp->h_u.usr_ip4_spec.proto = 0; 2354 fsp->m_u.usr_ip4_spec.proto = 0; 2355 } 2356 2357 /* Reverse the src and dest notion, since the HW views them from 2358 * Tx perspective where as the user expects it from Rx filter view. 2359 */ 2360 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port; 2361 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port; 2362 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0]; 2363 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0]; 2364 2365 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET) 2366 fsp->ring_cookie = RX_CLS_FLOW_DISC; 2367 else 2368 fsp->ring_cookie = rule->q_index; 2369 2370 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) { 2371 struct i40e_vsi *vsi; 2372 2373 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi); 2374 if (vsi && vsi->type == I40E_VSI_SRIOV) { 2375 fsp->h_ext.data[1] = htonl(vsi->vf_id); 2376 fsp->m_ext.data[1] = htonl(0x1); 2377 } 2378 } 2379 2380 return 0; 2381 } 2382 2383 /** 2384 * i40e_get_rxnfc - command to get RX flow classification rules 2385 * @netdev: network interface device structure 2386 * @cmd: ethtool rxnfc command 2387 * 2388 * Returns Success if the command is supported. 2389 **/ 2390 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2391 u32 *rule_locs) 2392 { 2393 struct i40e_netdev_priv *np = netdev_priv(netdev); 2394 struct i40e_vsi *vsi = np->vsi; 2395 struct i40e_pf *pf = vsi->back; 2396 int ret = -EOPNOTSUPP; 2397 2398 switch (cmd->cmd) { 2399 case ETHTOOL_GRXRINGS: 2400 cmd->data = vsi->num_queue_pairs; 2401 ret = 0; 2402 break; 2403 case ETHTOOL_GRXFH: 2404 ret = i40e_get_rss_hash_opts(pf, cmd); 2405 break; 2406 case ETHTOOL_GRXCLSRLCNT: 2407 cmd->rule_cnt = pf->fdir_pf_active_filters; 2408 /* report total rule count */ 2409 cmd->data = i40e_get_fd_cnt_all(pf); 2410 ret = 0; 2411 break; 2412 case ETHTOOL_GRXCLSRULE: 2413 ret = i40e_get_ethtool_fdir_entry(pf, cmd); 2414 break; 2415 case ETHTOOL_GRXCLSRLALL: 2416 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs); 2417 break; 2418 default: 2419 break; 2420 } 2421 2422 return ret; 2423 } 2424 2425 /** 2426 * i40e_get_rss_hash_bits - Read RSS Hash bits from register 2427 * @nfc: pointer to user request 2428 * @i_setc bits currently set 2429 * 2430 * Returns value of bits to be set per user request 2431 **/ 2432 static u64 i40e_get_rss_hash_bits(struct ethtool_rxnfc *nfc, u64 i_setc) 2433 { 2434 u64 i_set = i_setc; 2435 u64 src_l3 = 0, dst_l3 = 0; 2436 2437 if (nfc->data & RXH_L4_B_0_1) 2438 i_set |= I40E_L4_SRC_MASK; 2439 else 2440 i_set &= ~I40E_L4_SRC_MASK; 2441 if (nfc->data & RXH_L4_B_2_3) 2442 i_set |= I40E_L4_DST_MASK; 2443 else 2444 i_set &= ~I40E_L4_DST_MASK; 2445 2446 if (nfc->flow_type == TCP_V6_FLOW || nfc->flow_type == UDP_V6_FLOW) { 2447 src_l3 = I40E_L3_V6_SRC_MASK; 2448 dst_l3 = I40E_L3_V6_DST_MASK; 2449 } else if (nfc->flow_type == TCP_V4_FLOW || 2450 nfc->flow_type == UDP_V4_FLOW) { 2451 src_l3 = I40E_L3_SRC_MASK; 2452 dst_l3 = I40E_L3_DST_MASK; 2453 } else { 2454 /* Any other flow type are not supported here */ 2455 return i_set; 2456 } 2457 2458 if (nfc->data & RXH_IP_SRC) 2459 i_set |= src_l3; 2460 else 2461 i_set &= ~src_l3; 2462 if (nfc->data & RXH_IP_DST) 2463 i_set |= dst_l3; 2464 else 2465 i_set &= ~dst_l3; 2466 2467 return i_set; 2468 } 2469 2470 /** 2471 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2472 * @pf: pointer to the physical function struct 2473 * @cmd: ethtool rxnfc command 2474 * 2475 * Returns Success if the flow input set is supported. 2476 **/ 2477 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc) 2478 { 2479 struct i40e_hw *hw = &pf->hw; 2480 u64 hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) | 2481 ((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32); 2482 u8 flow_pctype = 0; 2483 u64 i_set, i_setc; 2484 2485 /* RSS does not support anything other than hashing 2486 * to queues on src and dst IPs and ports 2487 */ 2488 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST | 2489 RXH_L4_B_0_1 | RXH_L4_B_2_3)) 2490 return -EINVAL; 2491 2492 switch (nfc->flow_type) { 2493 case TCP_V4_FLOW: 2494 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP; 2495 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) 2496 hena |= 2497 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK); 2498 break; 2499 case TCP_V6_FLOW: 2500 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP; 2501 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) 2502 hena |= 2503 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK); 2504 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) 2505 hena |= 2506 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK); 2507 break; 2508 case UDP_V4_FLOW: 2509 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP; 2510 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) 2511 hena |= 2512 BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) | 2513 BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP); 2514 2515 hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4); 2516 break; 2517 case UDP_V6_FLOW: 2518 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP; 2519 if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) 2520 hena |= 2521 BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) | 2522 BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP); 2523 2524 hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6); 2525 break; 2526 case AH_ESP_V4_FLOW: 2527 case AH_V4_FLOW: 2528 case ESP_V4_FLOW: 2529 case SCTP_V4_FLOW: 2530 if ((nfc->data & RXH_L4_B_0_1) || 2531 (nfc->data & RXH_L4_B_2_3)) 2532 return -EINVAL; 2533 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER); 2534 break; 2535 case AH_ESP_V6_FLOW: 2536 case AH_V6_FLOW: 2537 case ESP_V6_FLOW: 2538 case SCTP_V6_FLOW: 2539 if ((nfc->data & RXH_L4_B_0_1) || 2540 (nfc->data & RXH_L4_B_2_3)) 2541 return -EINVAL; 2542 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER); 2543 break; 2544 case IPV4_FLOW: 2545 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) | 2546 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4); 2547 break; 2548 case IPV6_FLOW: 2549 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) | 2550 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6); 2551 break; 2552 default: 2553 return -EINVAL; 2554 } 2555 2556 if (flow_pctype) { 2557 i_setc = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, 2558 flow_pctype)) | 2559 ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, 2560 flow_pctype)) << 32); 2561 i_set = i40e_get_rss_hash_bits(nfc, i_setc); 2562 i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, flow_pctype), 2563 (u32)i_set); 2564 i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, flow_pctype), 2565 (u32)(i_set >> 32)); 2566 hena |= BIT_ULL(flow_pctype); 2567 } 2568 2569 i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (u32)hena); 2570 i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32)); 2571 i40e_flush(hw); 2572 2573 return 0; 2574 } 2575 2576 /** 2577 * i40e_match_fdir_input_set - Match a new filter against an existing one 2578 * @rule: The filter already added 2579 * @input: The new filter to comapre against 2580 * 2581 * Returns true if the two input set match 2582 **/ 2583 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule, 2584 struct i40e_fdir_filter *input) 2585 { 2586 if ((rule->dst_ip[0] != input->dst_ip[0]) || 2587 (rule->src_ip[0] != input->src_ip[0]) || 2588 (rule->dst_port != input->dst_port) || 2589 (rule->src_port != input->src_port)) 2590 return false; 2591 return true; 2592 } 2593 2594 /** 2595 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry 2596 * @vsi: Pointer to the targeted VSI 2597 * @input: The filter to update or NULL to indicate deletion 2598 * @sw_idx: Software index to the filter 2599 * @cmd: The command to get or set Rx flow classification rules 2600 * 2601 * This function updates (or deletes) a Flow Director entry from 2602 * the hlist of the corresponding PF 2603 * 2604 * Returns 0 on success 2605 **/ 2606 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi, 2607 struct i40e_fdir_filter *input, 2608 u16 sw_idx, 2609 struct ethtool_rxnfc *cmd) 2610 { 2611 struct i40e_fdir_filter *rule, *parent; 2612 struct i40e_pf *pf = vsi->back; 2613 struct hlist_node *node2; 2614 int err = -EINVAL; 2615 2616 parent = NULL; 2617 rule = NULL; 2618 2619 hlist_for_each_entry_safe(rule, node2, 2620 &pf->fdir_filter_list, fdir_node) { 2621 /* hash found, or no matching entry */ 2622 if (rule->fd_id >= sw_idx) 2623 break; 2624 parent = rule; 2625 } 2626 2627 /* if there is an old rule occupying our place remove it */ 2628 if (rule && (rule->fd_id == sw_idx)) { 2629 if (input && !i40e_match_fdir_input_set(rule, input)) 2630 err = i40e_add_del_fdir(vsi, rule, false); 2631 else if (!input) 2632 err = i40e_add_del_fdir(vsi, rule, false); 2633 hlist_del(&rule->fdir_node); 2634 kfree(rule); 2635 pf->fdir_pf_active_filters--; 2636 } 2637 2638 /* If no input this was a delete, err should be 0 if a rule was 2639 * successfully found and removed from the list else -EINVAL 2640 */ 2641 if (!input) 2642 return err; 2643 2644 /* initialize node and set software index */ 2645 INIT_HLIST_NODE(&input->fdir_node); 2646 2647 /* add filter to the list */ 2648 if (parent) 2649 hlist_add_behind(&input->fdir_node, &parent->fdir_node); 2650 else 2651 hlist_add_head(&input->fdir_node, 2652 &pf->fdir_filter_list); 2653 2654 /* update counts */ 2655 pf->fdir_pf_active_filters++; 2656 2657 return 0; 2658 } 2659 2660 /** 2661 * i40e_del_fdir_entry - Deletes a Flow Director filter entry 2662 * @vsi: Pointer to the targeted VSI 2663 * @cmd: The command to get or set Rx flow classification rules 2664 * 2665 * The function removes a Flow Director filter entry from the 2666 * hlist of the corresponding PF 2667 * 2668 * Returns 0 on success 2669 */ 2670 static int i40e_del_fdir_entry(struct i40e_vsi *vsi, 2671 struct ethtool_rxnfc *cmd) 2672 { 2673 struct ethtool_rx_flow_spec *fsp = 2674 (struct ethtool_rx_flow_spec *)&cmd->fs; 2675 struct i40e_pf *pf = vsi->back; 2676 int ret = 0; 2677 2678 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2679 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2680 return -EBUSY; 2681 2682 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2683 return -EBUSY; 2684 2685 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd); 2686 2687 i40e_fdir_check_and_reenable(pf); 2688 return ret; 2689 } 2690 2691 /** 2692 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters 2693 * @vsi: pointer to the targeted VSI 2694 * @cmd: command to get or set RX flow classification rules 2695 * 2696 * Add Flow Director filters for a specific flow spec based on their 2697 * protocol. Returns 0 if the filters were successfully added. 2698 **/ 2699 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, 2700 struct ethtool_rxnfc *cmd) 2701 { 2702 struct ethtool_rx_flow_spec *fsp; 2703 struct i40e_fdir_filter *input; 2704 struct i40e_pf *pf; 2705 int ret = -EINVAL; 2706 u16 vf_id; 2707 2708 if (!vsi) 2709 return -EINVAL; 2710 pf = vsi->back; 2711 2712 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 2713 return -EOPNOTSUPP; 2714 2715 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED) 2716 return -ENOSPC; 2717 2718 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) || 2719 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state)) 2720 return -EBUSY; 2721 2722 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state)) 2723 return -EBUSY; 2724 2725 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs; 2726 2727 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort + 2728 pf->hw.func_caps.fd_filters_guaranteed)) { 2729 return -EINVAL; 2730 } 2731 2732 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) && 2733 (fsp->ring_cookie >= vsi->num_queue_pairs)) 2734 return -EINVAL; 2735 2736 input = kzalloc(sizeof(*input), GFP_KERNEL); 2737 2738 if (!input) 2739 return -ENOMEM; 2740 2741 input->fd_id = fsp->location; 2742 2743 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) 2744 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET; 2745 else 2746 input->dest_ctl = 2747 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX; 2748 2749 input->q_index = fsp->ring_cookie; 2750 input->flex_off = 0; 2751 input->pctype = 0; 2752 input->dest_vsi = vsi->id; 2753 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID; 2754 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id); 2755 input->flow_type = fsp->flow_type; 2756 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto; 2757 2758 /* Reverse the src and dest notion, since the HW expects them to be from 2759 * Tx perspective where as the input from user is from Rx filter view. 2760 */ 2761 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc; 2762 input->src_port = fsp->h_u.tcp_ip4_spec.pdst; 2763 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src; 2764 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst; 2765 2766 if (ntohl(fsp->m_ext.data[1])) { 2767 vf_id = ntohl(fsp->h_ext.data[1]); 2768 if (vf_id >= pf->num_alloc_vfs) { 2769 netif_info(pf, drv, vsi->netdev, 2770 "Invalid VF id %d\n", vf_id); 2771 goto free_input; 2772 } 2773 /* Find vsi id from vf id and override dest vsi */ 2774 input->dest_vsi = pf->vf[vf_id].lan_vsi_id; 2775 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) { 2776 netif_info(pf, drv, vsi->netdev, 2777 "Invalid queue id %d for VF %d\n", 2778 input->q_index, vf_id); 2779 goto free_input; 2780 } 2781 } 2782 2783 ret = i40e_add_del_fdir(vsi, input, true); 2784 free_input: 2785 if (ret) 2786 kfree(input); 2787 else 2788 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL); 2789 2790 return ret; 2791 } 2792 2793 /** 2794 * i40e_set_rxnfc - command to set RX flow classification rules 2795 * @netdev: network interface device structure 2796 * @cmd: ethtool rxnfc command 2797 * 2798 * Returns Success if the command is supported. 2799 **/ 2800 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2801 { 2802 struct i40e_netdev_priv *np = netdev_priv(netdev); 2803 struct i40e_vsi *vsi = np->vsi; 2804 struct i40e_pf *pf = vsi->back; 2805 int ret = -EOPNOTSUPP; 2806 2807 switch (cmd->cmd) { 2808 case ETHTOOL_SRXFH: 2809 ret = i40e_set_rss_hash_opt(pf, cmd); 2810 break; 2811 case ETHTOOL_SRXCLSRLINS: 2812 ret = i40e_add_fdir_ethtool(vsi, cmd); 2813 break; 2814 case ETHTOOL_SRXCLSRLDEL: 2815 ret = i40e_del_fdir_entry(vsi, cmd); 2816 break; 2817 default: 2818 break; 2819 } 2820 2821 return ret; 2822 } 2823 2824 /** 2825 * i40e_max_channels - get Max number of combined channels supported 2826 * @vsi: vsi pointer 2827 **/ 2828 static unsigned int i40e_max_channels(struct i40e_vsi *vsi) 2829 { 2830 /* TODO: This code assumes DCB and FD is disabled for now. */ 2831 return vsi->alloc_queue_pairs; 2832 } 2833 2834 /** 2835 * i40e_get_channels - Get the current channels enabled and max supported etc. 2836 * @netdev: network interface device structure 2837 * @ch: ethtool channels structure 2838 * 2839 * We don't support separate tx and rx queues as channels. The other count 2840 * represents how many queues are being used for control. max_combined counts 2841 * how many queue pairs we can support. They may not be mapped 1 to 1 with 2842 * q_vectors since we support a lot more queue pairs than q_vectors. 2843 **/ 2844 static void i40e_get_channels(struct net_device *dev, 2845 struct ethtool_channels *ch) 2846 { 2847 struct i40e_netdev_priv *np = netdev_priv(dev); 2848 struct i40e_vsi *vsi = np->vsi; 2849 struct i40e_pf *pf = vsi->back; 2850 2851 /* report maximum channels */ 2852 ch->max_combined = i40e_max_channels(vsi); 2853 2854 /* report info for other vector */ 2855 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0; 2856 ch->max_other = ch->other_count; 2857 2858 /* Note: This code assumes DCB is disabled for now. */ 2859 ch->combined_count = vsi->num_queue_pairs; 2860 } 2861 2862 /** 2863 * i40e_set_channels - Set the new channels count. 2864 * @netdev: network interface device structure 2865 * @ch: ethtool channels structure 2866 * 2867 * The new channels count may not be the same as requested by the user 2868 * since it gets rounded down to a power of 2 value. 2869 **/ 2870 static int i40e_set_channels(struct net_device *dev, 2871 struct ethtool_channels *ch) 2872 { 2873 const u8 drop = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET; 2874 struct i40e_netdev_priv *np = netdev_priv(dev); 2875 unsigned int count = ch->combined_count; 2876 struct i40e_vsi *vsi = np->vsi; 2877 struct i40e_pf *pf = vsi->back; 2878 struct i40e_fdir_filter *rule; 2879 struct hlist_node *node2; 2880 int new_count; 2881 int err = 0; 2882 2883 /* We do not support setting channels for any other VSI at present */ 2884 if (vsi->type != I40E_VSI_MAIN) 2885 return -EINVAL; 2886 2887 /* verify they are not requesting separate vectors */ 2888 if (!count || ch->rx_count || ch->tx_count) 2889 return -EINVAL; 2890 2891 /* verify other_count has not changed */ 2892 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0)) 2893 return -EINVAL; 2894 2895 /* verify the number of channels does not exceed hardware limits */ 2896 if (count > i40e_max_channels(vsi)) 2897 return -EINVAL; 2898 2899 /* verify that the number of channels does not invalidate any current 2900 * flow director rules 2901 */ 2902 hlist_for_each_entry_safe(rule, node2, 2903 &pf->fdir_filter_list, fdir_node) { 2904 if (rule->dest_ctl != drop && count <= rule->q_index) { 2905 dev_warn(&pf->pdev->dev, 2906 "Existing user defined filter %d assigns flow to queue %d\n", 2907 rule->fd_id, rule->q_index); 2908 err = -EINVAL; 2909 } 2910 } 2911 2912 if (err) { 2913 dev_err(&pf->pdev->dev, 2914 "Existing filter rules must be deleted to reduce combined channel count to %d\n", 2915 count); 2916 return err; 2917 } 2918 2919 /* update feature limits from largest to smallest supported values */ 2920 /* TODO: Flow director limit, DCB etc */ 2921 2922 /* use rss_reconfig to rebuild with new queue count and update traffic 2923 * class queue mapping 2924 */ 2925 new_count = i40e_reconfig_rss_queues(pf, count); 2926 if (new_count > 0) 2927 return 0; 2928 else 2929 return -EINVAL; 2930 } 2931 2932 /** 2933 * i40e_get_rxfh_key_size - get the RSS hash key size 2934 * @netdev: network interface device structure 2935 * 2936 * Returns the table size. 2937 **/ 2938 static u32 i40e_get_rxfh_key_size(struct net_device *netdev) 2939 { 2940 return I40E_HKEY_ARRAY_SIZE; 2941 } 2942 2943 /** 2944 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size 2945 * @netdev: network interface device structure 2946 * 2947 * Returns the table size. 2948 **/ 2949 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev) 2950 { 2951 return I40E_HLUT_ARRAY_SIZE; 2952 } 2953 2954 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, 2955 u8 *hfunc) 2956 { 2957 struct i40e_netdev_priv *np = netdev_priv(netdev); 2958 struct i40e_vsi *vsi = np->vsi; 2959 u8 *lut, *seed = NULL; 2960 int ret; 2961 u16 i; 2962 2963 if (hfunc) 2964 *hfunc = ETH_RSS_HASH_TOP; 2965 2966 if (!indir) 2967 return 0; 2968 2969 seed = key; 2970 lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL); 2971 if (!lut) 2972 return -ENOMEM; 2973 ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE); 2974 if (ret) 2975 goto out; 2976 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++) 2977 indir[i] = (u32)(lut[i]); 2978 2979 out: 2980 kfree(lut); 2981 2982 return ret; 2983 } 2984 2985 /** 2986 * i40e_set_rxfh - set the rx flow hash indirection table 2987 * @netdev: network interface device structure 2988 * @indir: indirection table 2989 * @key: hash key 2990 * 2991 * Returns -EINVAL if the table specifies an invalid queue id, otherwise 2992 * returns 0 after programming the table. 2993 **/ 2994 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir, 2995 const u8 *key, const u8 hfunc) 2996 { 2997 struct i40e_netdev_priv *np = netdev_priv(netdev); 2998 struct i40e_vsi *vsi = np->vsi; 2999 struct i40e_pf *pf = vsi->back; 3000 u8 *seed = NULL; 3001 u16 i; 3002 3003 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3004 return -EOPNOTSUPP; 3005 3006 if (key) { 3007 if (!vsi->rss_hkey_user) { 3008 vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE, 3009 GFP_KERNEL); 3010 if (!vsi->rss_hkey_user) 3011 return -ENOMEM; 3012 } 3013 memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE); 3014 seed = vsi->rss_hkey_user; 3015 } 3016 if (!vsi->rss_lut_user) { 3017 vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL); 3018 if (!vsi->rss_lut_user) 3019 return -ENOMEM; 3020 } 3021 3022 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3023 if (indir) 3024 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++) 3025 vsi->rss_lut_user[i] = (u8)(indir[i]); 3026 else 3027 i40e_fill_rss_lut(pf, vsi->rss_lut_user, I40E_HLUT_ARRAY_SIZE, 3028 vsi->rss_size); 3029 3030 return i40e_config_rss(vsi, seed, vsi->rss_lut_user, 3031 I40E_HLUT_ARRAY_SIZE); 3032 } 3033 3034 /** 3035 * i40e_get_priv_flags - report device private flags 3036 * @dev: network interface device structure 3037 * 3038 * The get string set count and the string set should be matched for each 3039 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings 3040 * array. 3041 * 3042 * Returns a u32 bitmap of flags. 3043 **/ 3044 static u32 i40e_get_priv_flags(struct net_device *dev) 3045 { 3046 struct i40e_netdev_priv *np = netdev_priv(dev); 3047 struct i40e_vsi *vsi = np->vsi; 3048 struct i40e_pf *pf = vsi->back; 3049 u32 ret_flags = 0; 3050 3051 ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ? 3052 I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0; 3053 ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ? 3054 I40E_PRIV_FLAGS_FD_ATR : 0; 3055 ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ? 3056 I40E_PRIV_FLAGS_VEB_STATS : 0; 3057 ret_flags |= pf->auto_disable_flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE ? 3058 0 : I40E_PRIV_FLAGS_HW_ATR_EVICT; 3059 if (pf->hw.pf_id == 0) { 3060 ret_flags |= pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT ? 3061 I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT : 0; 3062 } 3063 3064 return ret_flags; 3065 } 3066 3067 /** 3068 * i40e_set_priv_flags - set private flags 3069 * @dev: network interface device structure 3070 * @flags: bit flags to be set 3071 **/ 3072 static int i40e_set_priv_flags(struct net_device *dev, u32 flags) 3073 { 3074 struct i40e_netdev_priv *np = netdev_priv(dev); 3075 struct i40e_vsi *vsi = np->vsi; 3076 struct i40e_pf *pf = vsi->back; 3077 u16 sw_flags = 0, valid_flags = 0; 3078 bool reset_required = false; 3079 bool promisc_change = false; 3080 int ret; 3081 3082 /* NOTE: MFP is not settable */ 3083 3084 if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG) 3085 pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED; 3086 else 3087 pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED; 3088 3089 /* allow the user to control the state of the Flow 3090 * Director ATR (Application Targeted Routing) feature 3091 * of the driver 3092 */ 3093 if (flags & I40E_PRIV_FLAGS_FD_ATR) { 3094 pf->flags |= I40E_FLAG_FD_ATR_ENABLED; 3095 } else { 3096 pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED; 3097 pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED; 3098 3099 /* flush current ATR settings */ 3100 set_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state); 3101 } 3102 3103 if ((flags & I40E_PRIV_FLAGS_VEB_STATS) && 3104 !(pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 3105 pf->flags |= I40E_FLAG_VEB_STATS_ENABLED; 3106 reset_required = true; 3107 } else if (!(flags & I40E_PRIV_FLAGS_VEB_STATS) && 3108 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) { 3109 pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED; 3110 reset_required = true; 3111 } 3112 3113 if (pf->hw.pf_id == 0) { 3114 if ((flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) && 3115 !(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) { 3116 pf->flags |= I40E_FLAG_TRUE_PROMISC_SUPPORT; 3117 promisc_change = true; 3118 } else if (!(flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) && 3119 (pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) { 3120 pf->flags &= ~I40E_FLAG_TRUE_PROMISC_SUPPORT; 3121 promisc_change = true; 3122 } 3123 } 3124 if (promisc_change) { 3125 if (!(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) 3126 sw_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC; 3127 valid_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC; 3128 ret = i40e_aq_set_switch_config(&pf->hw, sw_flags, valid_flags, 3129 NULL); 3130 if (ret && pf->hw.aq.asq_last_status != I40E_AQ_RC_ESRCH) { 3131 dev_info(&pf->pdev->dev, 3132 "couldn't set switch config bits, err %s aq_err %s\n", 3133 i40e_stat_str(&pf->hw, ret), 3134 i40e_aq_str(&pf->hw, 3135 pf->hw.aq.asq_last_status)); 3136 /* not a fatal problem, just keep going */ 3137 } 3138 } 3139 3140 if ((flags & I40E_PRIV_FLAGS_HW_ATR_EVICT) && 3141 (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE)) 3142 pf->auto_disable_flags &= ~I40E_FLAG_HW_ATR_EVICT_CAPABLE; 3143 else 3144 pf->auto_disable_flags |= I40E_FLAG_HW_ATR_EVICT_CAPABLE; 3145 3146 /* if needed, issue reset to cause things to take effect */ 3147 if (reset_required) 3148 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED)); 3149 3150 return 0; 3151 } 3152 3153 static const struct ethtool_ops i40e_ethtool_ops = { 3154 .get_settings = i40e_get_settings, 3155 .set_settings = i40e_set_settings, 3156 .get_drvinfo = i40e_get_drvinfo, 3157 .get_regs_len = i40e_get_regs_len, 3158 .get_regs = i40e_get_regs, 3159 .nway_reset = i40e_nway_reset, 3160 .get_link = ethtool_op_get_link, 3161 .get_wol = i40e_get_wol, 3162 .set_wol = i40e_set_wol, 3163 .set_eeprom = i40e_set_eeprom, 3164 .get_eeprom_len = i40e_get_eeprom_len, 3165 .get_eeprom = i40e_get_eeprom, 3166 .get_ringparam = i40e_get_ringparam, 3167 .set_ringparam = i40e_set_ringparam, 3168 .get_pauseparam = i40e_get_pauseparam, 3169 .set_pauseparam = i40e_set_pauseparam, 3170 .get_msglevel = i40e_get_msglevel, 3171 .set_msglevel = i40e_set_msglevel, 3172 .get_rxnfc = i40e_get_rxnfc, 3173 .set_rxnfc = i40e_set_rxnfc, 3174 .self_test = i40e_diag_test, 3175 .get_strings = i40e_get_strings, 3176 .set_phys_id = i40e_set_phys_id, 3177 .get_sset_count = i40e_get_sset_count, 3178 .get_ethtool_stats = i40e_get_ethtool_stats, 3179 .get_coalesce = i40e_get_coalesce, 3180 .set_coalesce = i40e_set_coalesce, 3181 .get_rxfh_key_size = i40e_get_rxfh_key_size, 3182 .get_rxfh_indir_size = i40e_get_rxfh_indir_size, 3183 .get_rxfh = i40e_get_rxfh, 3184 .set_rxfh = i40e_set_rxfh, 3185 .get_channels = i40e_get_channels, 3186 .set_channels = i40e_set_channels, 3187 .get_ts_info = i40e_get_ts_info, 3188 .get_priv_flags = i40e_get_priv_flags, 3189 .set_priv_flags = i40e_set_priv_flags, 3190 .get_per_queue_coalesce = i40e_get_per_queue_coalesce, 3191 .set_per_queue_coalesce = i40e_set_per_queue_coalesce, 3192 }; 3193 3194 void i40e_set_ethtool_ops(struct net_device *netdev) 3195 { 3196 netdev->ethtool_ops = &i40e_ethtool_ops; 3197 } 3198