1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 /* ethtool support for ice */ 5 6 #include "ice.h" 7 #include "ice_flow.h" 8 #include "ice_fltr.h" 9 #include "ice_lib.h" 10 #include "ice_dcb_lib.h" 11 12 struct ice_stats { 13 char stat_string[ETH_GSTRING_LEN]; 14 int sizeof_stat; 15 int stat_offset; 16 }; 17 18 #define ICE_STAT(_type, _name, _stat) { \ 19 .stat_string = _name, \ 20 .sizeof_stat = sizeof_field(_type, _stat), \ 21 .stat_offset = offsetof(_type, _stat) \ 22 } 23 24 #define ICE_VSI_STAT(_name, _stat) \ 25 ICE_STAT(struct ice_vsi, _name, _stat) 26 #define ICE_PF_STAT(_name, _stat) \ 27 ICE_STAT(struct ice_pf, _name, _stat) 28 29 static int ice_q_stats_len(struct net_device *netdev) 30 { 31 struct ice_netdev_priv *np = netdev_priv(netdev); 32 33 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 34 (sizeof(struct ice_q_stats) / sizeof(u64))); 35 } 36 37 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 38 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 39 40 #define ICE_PFC_STATS_LEN ( \ 41 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \ 42 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \ 43 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \ 44 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \ 45 / sizeof(u64)) 46 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 47 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 48 49 static const struct ice_stats ice_gstrings_vsi_stats[] = { 50 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 51 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 52 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 53 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 54 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 55 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 56 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 57 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 58 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 59 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 60 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 61 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 62 ICE_VSI_STAT("rx_gro_dropped", rx_gro_dropped), 63 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 64 ICE_VSI_STAT("tx_linearize", tx_linearize), 65 ICE_VSI_STAT("tx_busy", tx_busy), 66 ICE_VSI_STAT("tx_restart", tx_restart), 67 }; 68 69 enum ice_ethtool_test_id { 70 ICE_ETH_TEST_REG = 0, 71 ICE_ETH_TEST_EEPROM, 72 ICE_ETH_TEST_INTR, 73 ICE_ETH_TEST_LOOP, 74 ICE_ETH_TEST_LINK, 75 }; 76 77 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 78 "Register test (offline)", 79 "EEPROM test (offline)", 80 "Interrupt test (offline)", 81 "Loopback test (offline)", 82 "Link test (on/offline)", 83 }; 84 85 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 86 87 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 88 * but they aren't. This device is capable of supporting multiple 89 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 90 * netdevs whereas the PF_STATs are for the physical function that's 91 * hosting these netdevs. 92 * 93 * The PF_STATs are appended to the netdev stats only when ethtool -S 94 * is queried on the base PF netdev. 95 */ 96 static const struct ice_stats ice_gstrings_pf_stats[] = { 97 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 98 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 99 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 100 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 101 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 102 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 103 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 104 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 105 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 106 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count), 107 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 108 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 109 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 110 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 111 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 112 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 113 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 114 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 115 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 116 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 117 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 118 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 119 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 120 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 121 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 122 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 123 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 124 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 125 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 126 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 127 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 128 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 129 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 130 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 131 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors), 132 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 133 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 134 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 135 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 136 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 137 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), 138 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), 139 }; 140 141 static const u32 ice_regs_dump_list[] = { 142 PFGEN_STATE, 143 PRTGEN_STATUS, 144 QRX_CTRL(0), 145 QINT_TQCTL(0), 146 QINT_RQCTL(0), 147 PFINT_OICR_ENA, 148 QRX_ITR(0), 149 }; 150 151 struct ice_priv_flag { 152 char name[ETH_GSTRING_LEN]; 153 u32 bitno; /* bit position in pf->flags */ 154 }; 155 156 #define ICE_PRIV_FLAG(_name, _bitno) { \ 157 .name = _name, \ 158 .bitno = _bitno, \ 159 } 160 161 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 162 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 163 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 164 ICE_PRIV_FLAG("vf-true-promisc-support", 165 ICE_FLAG_VF_TRUE_PROMISC_ENA), 166 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 167 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), 168 }; 169 170 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 171 172 static void 173 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 174 { 175 struct ice_netdev_priv *np = netdev_priv(netdev); 176 struct ice_vsi *vsi = np->vsi; 177 struct ice_pf *pf = vsi->back; 178 struct ice_hw *hw = &pf->hw; 179 struct ice_orom_info *orom; 180 struct ice_nvm_info *nvm; 181 182 nvm = &hw->nvm; 183 orom = &nvm->orom; 184 185 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 186 187 /* Display NVM version (from which the firmware version can be 188 * determined) which contains more pertinent information. 189 */ 190 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 191 "%x.%02x 0x%x %d.%d.%d", nvm->major_ver, nvm->minor_ver, 192 nvm->eetrack, orom->major, orom->build, orom->patch); 193 194 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 195 sizeof(drvinfo->bus_info)); 196 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 197 } 198 199 static int ice_get_regs_len(struct net_device __always_unused *netdev) 200 { 201 return sizeof(ice_regs_dump_list); 202 } 203 204 static void 205 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 206 { 207 struct ice_netdev_priv *np = netdev_priv(netdev); 208 struct ice_pf *pf = np->vsi->back; 209 struct ice_hw *hw = &pf->hw; 210 u32 *regs_buf = (u32 *)p; 211 unsigned int i; 212 213 regs->version = 1; 214 215 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 216 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 217 } 218 219 static u32 ice_get_msglevel(struct net_device *netdev) 220 { 221 struct ice_netdev_priv *np = netdev_priv(netdev); 222 struct ice_pf *pf = np->vsi->back; 223 224 #ifndef CONFIG_DYNAMIC_DEBUG 225 if (pf->hw.debug_mask) 226 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 227 pf->hw.debug_mask); 228 #endif /* !CONFIG_DYNAMIC_DEBUG */ 229 230 return pf->msg_enable; 231 } 232 233 static void ice_set_msglevel(struct net_device *netdev, u32 data) 234 { 235 struct ice_netdev_priv *np = netdev_priv(netdev); 236 struct ice_pf *pf = np->vsi->back; 237 238 #ifndef CONFIG_DYNAMIC_DEBUG 239 if (ICE_DBG_USER & data) 240 pf->hw.debug_mask = data; 241 else 242 pf->msg_enable = data; 243 #else 244 pf->msg_enable = data; 245 #endif /* !CONFIG_DYNAMIC_DEBUG */ 246 } 247 248 static int ice_get_eeprom_len(struct net_device *netdev) 249 { 250 struct ice_netdev_priv *np = netdev_priv(netdev); 251 struct ice_pf *pf = np->vsi->back; 252 253 return (int)pf->hw.nvm.flash_size; 254 } 255 256 static int 257 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 258 u8 *bytes) 259 { 260 struct ice_netdev_priv *np = netdev_priv(netdev); 261 struct ice_vsi *vsi = np->vsi; 262 struct ice_pf *pf = vsi->back; 263 struct ice_hw *hw = &pf->hw; 264 enum ice_status status; 265 struct device *dev; 266 int ret = 0; 267 u8 *buf; 268 269 dev = ice_pf_to_dev(pf); 270 271 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 272 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 273 eeprom->cmd, eeprom->offset, eeprom->len); 274 275 buf = kzalloc(eeprom->len, GFP_KERNEL); 276 if (!buf) 277 return -ENOMEM; 278 279 status = ice_acquire_nvm(hw, ICE_RES_READ); 280 if (status) { 281 dev_err(dev, "ice_acquire_nvm failed, err %s aq_err %s\n", 282 ice_stat_str(status), 283 ice_aq_str(hw->adminq.sq_last_status)); 284 ret = -EIO; 285 goto out; 286 } 287 288 status = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 289 false); 290 if (status) { 291 dev_err(dev, "ice_read_flat_nvm failed, err %s aq_err %s\n", 292 ice_stat_str(status), 293 ice_aq_str(hw->adminq.sq_last_status)); 294 ret = -EIO; 295 goto release; 296 } 297 298 memcpy(bytes, buf, eeprom->len); 299 release: 300 ice_release_nvm(hw); 301 out: 302 kfree(buf); 303 return ret; 304 } 305 306 /** 307 * ice_active_vfs - check if there are any active VFs 308 * @pf: board private structure 309 * 310 * Returns true if an active VF is found, otherwise returns false 311 */ 312 static bool ice_active_vfs(struct ice_pf *pf) 313 { 314 unsigned int i; 315 316 ice_for_each_vf(pf, i) { 317 struct ice_vf *vf = &pf->vf[i]; 318 319 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) 320 return true; 321 } 322 323 return false; 324 } 325 326 /** 327 * ice_link_test - perform a link test on a given net_device 328 * @netdev: network interface device structure 329 * 330 * This function performs one of the self-tests required by ethtool. 331 * Returns 0 on success, non-zero on failure. 332 */ 333 static u64 ice_link_test(struct net_device *netdev) 334 { 335 struct ice_netdev_priv *np = netdev_priv(netdev); 336 enum ice_status status; 337 bool link_up = false; 338 339 netdev_info(netdev, "link test\n"); 340 status = ice_get_link_status(np->vsi->port_info, &link_up); 341 if (status) { 342 netdev_err(netdev, "link query error, status = %s\n", 343 ice_stat_str(status)); 344 return 1; 345 } 346 347 if (!link_up) 348 return 2; 349 350 return 0; 351 } 352 353 /** 354 * ice_eeprom_test - perform an EEPROM test on a given net_device 355 * @netdev: network interface device structure 356 * 357 * This function performs one of the self-tests required by ethtool. 358 * Returns 0 on success, non-zero on failure. 359 */ 360 static u64 ice_eeprom_test(struct net_device *netdev) 361 { 362 struct ice_netdev_priv *np = netdev_priv(netdev); 363 struct ice_pf *pf = np->vsi->back; 364 365 netdev_info(netdev, "EEPROM test\n"); 366 return !!(ice_nvm_validate_checksum(&pf->hw)); 367 } 368 369 /** 370 * ice_reg_pattern_test 371 * @hw: pointer to the HW struct 372 * @reg: reg to be tested 373 * @mask: bits to be touched 374 */ 375 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 376 { 377 struct ice_pf *pf = (struct ice_pf *)hw->back; 378 struct device *dev = ice_pf_to_dev(pf); 379 static const u32 patterns[] = { 380 0x5A5A5A5A, 0xA5A5A5A5, 381 0x00000000, 0xFFFFFFFF 382 }; 383 u32 val, orig_val; 384 unsigned int i; 385 386 orig_val = rd32(hw, reg); 387 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 388 u32 pattern = patterns[i] & mask; 389 390 wr32(hw, reg, pattern); 391 val = rd32(hw, reg); 392 if (val == pattern) 393 continue; 394 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 395 , __func__, reg, pattern, val); 396 return 1; 397 } 398 399 wr32(hw, reg, orig_val); 400 val = rd32(hw, reg); 401 if (val != orig_val) { 402 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 403 , __func__, reg, orig_val, val); 404 return 1; 405 } 406 407 return 0; 408 } 409 410 /** 411 * ice_reg_test - perform a register test on a given net_device 412 * @netdev: network interface device structure 413 * 414 * This function performs one of the self-tests required by ethtool. 415 * Returns 0 on success, non-zero on failure. 416 */ 417 static u64 ice_reg_test(struct net_device *netdev) 418 { 419 struct ice_netdev_priv *np = netdev_priv(netdev); 420 struct ice_hw *hw = np->vsi->port_info->hw; 421 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 422 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 423 struct ice_diag_reg_test_info { 424 u32 address; 425 u32 mask; 426 u32 elem_num; 427 u32 elem_size; 428 } ice_reg_list[] = { 429 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 430 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 431 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 432 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 433 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 434 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 435 {GLINT_CTL, 0xffff0001, 1, 0} 436 }; 437 unsigned int i; 438 439 netdev_dbg(netdev, "Register test\n"); 440 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 441 u32 j; 442 443 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 444 u32 mask = ice_reg_list[i].mask; 445 u32 reg = ice_reg_list[i].address + 446 (j * ice_reg_list[i].elem_size); 447 448 /* bail on failure (non-zero return) */ 449 if (ice_reg_pattern_test(hw, reg, mask)) 450 return 1; 451 } 452 } 453 454 return 0; 455 } 456 457 /** 458 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 459 * @vsi: pointer to the VSI structure 460 * 461 * Function configures rings of a VSI for loopback test without 462 * enabling interrupts or informing the kernel about new queues. 463 * 464 * Returns 0 on success, negative on failure. 465 */ 466 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 467 { 468 int status; 469 470 status = ice_vsi_setup_tx_rings(vsi); 471 if (status) 472 goto err_setup_tx_ring; 473 474 status = ice_vsi_setup_rx_rings(vsi); 475 if (status) 476 goto err_setup_rx_ring; 477 478 status = ice_vsi_cfg(vsi); 479 if (status) 480 goto err_setup_rx_ring; 481 482 status = ice_vsi_start_all_rx_rings(vsi); 483 if (status) 484 goto err_start_rx_ring; 485 486 return status; 487 488 err_start_rx_ring: 489 ice_vsi_free_rx_rings(vsi); 490 err_setup_rx_ring: 491 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 492 err_setup_tx_ring: 493 ice_vsi_free_tx_rings(vsi); 494 495 return status; 496 } 497 498 /** 499 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 500 * @vsi: pointer to the VSI structure 501 * 502 * Function stops and frees VSI rings after a loopback test. 503 * Returns 0 on success, negative on failure. 504 */ 505 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 506 { 507 int status; 508 509 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 510 if (status) 511 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 512 vsi->vsi_num, status); 513 514 status = ice_vsi_stop_all_rx_rings(vsi); 515 if (status) 516 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 517 vsi->vsi_num, status); 518 519 ice_vsi_free_tx_rings(vsi); 520 ice_vsi_free_rx_rings(vsi); 521 522 return status; 523 } 524 525 /** 526 * ice_lbtest_create_frame - create test packet 527 * @pf: pointer to the PF structure 528 * @ret_data: allocated frame buffer 529 * @size: size of the packet data 530 * 531 * Function allocates a frame with a test pattern on specific offsets. 532 * Returns 0 on success, non-zero on failure. 533 */ 534 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 535 { 536 u8 *data; 537 538 if (!pf) 539 return -EINVAL; 540 541 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); 542 if (!data) 543 return -ENOMEM; 544 545 /* Since the ethernet test frame should always be at least 546 * 64 bytes long, fill some octets in the payload with test data. 547 */ 548 memset(data, 0xFF, size); 549 data[32] = 0xDE; 550 data[42] = 0xAD; 551 data[44] = 0xBE; 552 data[46] = 0xEF; 553 554 *ret_data = data; 555 556 return 0; 557 } 558 559 /** 560 * ice_lbtest_check_frame - verify received loopback frame 561 * @frame: pointer to the raw packet data 562 * 563 * Function verifies received test frame with a pattern. 564 * Returns true if frame matches the pattern, false otherwise. 565 */ 566 static bool ice_lbtest_check_frame(u8 *frame) 567 { 568 /* Validate bytes of a frame under offsets chosen earlier */ 569 if (frame[32] == 0xDE && 570 frame[42] == 0xAD && 571 frame[44] == 0xBE && 572 frame[46] == 0xEF && 573 frame[48] == 0xFF) 574 return true; 575 576 return false; 577 } 578 579 /** 580 * ice_diag_send - send test frames to the test ring 581 * @tx_ring: pointer to the transmit ring 582 * @data: pointer to the raw packet data 583 * @size: size of the packet to send 584 * 585 * Function sends loopback packets on a test Tx ring. 586 */ 587 static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size) 588 { 589 struct ice_tx_desc *tx_desc; 590 struct ice_tx_buf *tx_buf; 591 dma_addr_t dma; 592 u64 td_cmd; 593 594 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 595 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 596 597 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 598 if (dma_mapping_error(tx_ring->dev, dma)) 599 return -EINVAL; 600 601 tx_desc->buf_addr = cpu_to_le64(dma); 602 603 /* These flags are required for a descriptor to be pushed out */ 604 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 605 tx_desc->cmd_type_offset_bsz = 606 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 607 (td_cmd << ICE_TXD_QW1_CMD_S) | 608 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 609 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 610 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 611 612 tx_buf->next_to_watch = tx_desc; 613 614 /* Force memory write to complete before letting h/w know 615 * there are new descriptors to fetch. 616 */ 617 wmb(); 618 619 tx_ring->next_to_use++; 620 if (tx_ring->next_to_use >= tx_ring->count) 621 tx_ring->next_to_use = 0; 622 623 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 624 625 /* Wait until the packets get transmitted to the receive queue. */ 626 usleep_range(1000, 2000); 627 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 628 629 return 0; 630 } 631 632 #define ICE_LB_FRAME_SIZE 64 633 /** 634 * ice_lbtest_receive_frames - receive and verify test frames 635 * @rx_ring: pointer to the receive ring 636 * 637 * Function receives loopback packets and verify their correctness. 638 * Returns number of received valid frames. 639 */ 640 static int ice_lbtest_receive_frames(struct ice_ring *rx_ring) 641 { 642 struct ice_rx_buf *rx_buf; 643 int valid_frames, i; 644 u8 *received_buf; 645 646 valid_frames = 0; 647 648 for (i = 0; i < rx_ring->count; i++) { 649 union ice_32b_rx_flex_desc *rx_desc; 650 651 rx_desc = ICE_RX_DESC(rx_ring, i); 652 653 if (!(rx_desc->wb.status_error0 & 654 cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS))) 655 continue; 656 657 rx_buf = &rx_ring->rx_buf[i]; 658 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 659 660 if (ice_lbtest_check_frame(received_buf)) 661 valid_frames++; 662 } 663 664 return valid_frames; 665 } 666 667 /** 668 * ice_loopback_test - perform a loopback test on a given net_device 669 * @netdev: network interface device structure 670 * 671 * This function performs one of the self-tests required by ethtool. 672 * Returns 0 on success, non-zero on failure. 673 */ 674 static u64 ice_loopback_test(struct net_device *netdev) 675 { 676 struct ice_netdev_priv *np = netdev_priv(netdev); 677 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 678 struct ice_pf *pf = orig_vsi->back; 679 struct ice_ring *tx_ring, *rx_ring; 680 u8 broadcast[ETH_ALEN], ret = 0; 681 int num_frames, valid_frames; 682 struct device *dev; 683 u8 *tx_frame; 684 int i; 685 686 dev = ice_pf_to_dev(pf); 687 netdev_info(netdev, "loopback test\n"); 688 689 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 690 if (!test_vsi) { 691 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 692 return 1; 693 } 694 695 test_vsi->netdev = netdev; 696 tx_ring = test_vsi->tx_rings[0]; 697 rx_ring = test_vsi->rx_rings[0]; 698 699 if (ice_lbtest_prepare_rings(test_vsi)) { 700 ret = 2; 701 goto lbtest_vsi_close; 702 } 703 704 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 705 ret = 3; 706 goto lbtest_rings_dis; 707 } 708 709 /* Enable MAC loopback in firmware */ 710 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 711 ret = 4; 712 goto lbtest_mac_dis; 713 } 714 715 /* Test VSI needs to receive broadcast packets */ 716 eth_broadcast_addr(broadcast); 717 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 718 ret = 5; 719 goto lbtest_mac_dis; 720 } 721 722 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 723 ret = 7; 724 goto remove_mac_filters; 725 } 726 727 num_frames = min_t(int, tx_ring->count, 32); 728 for (i = 0; i < num_frames; i++) { 729 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 730 ret = 8; 731 goto lbtest_free_frame; 732 } 733 } 734 735 valid_frames = ice_lbtest_receive_frames(rx_ring); 736 if (!valid_frames) 737 ret = 9; 738 else if (valid_frames != num_frames) 739 ret = 10; 740 741 lbtest_free_frame: 742 devm_kfree(dev, tx_frame); 743 remove_mac_filters: 744 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 745 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 746 lbtest_mac_dis: 747 /* Disable MAC loopback after the test is completed. */ 748 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 749 netdev_err(netdev, "Could not disable MAC loopback\n"); 750 lbtest_rings_dis: 751 if (ice_lbtest_disable_rings(test_vsi)) 752 netdev_err(netdev, "Could not disable test rings\n"); 753 lbtest_vsi_close: 754 test_vsi->netdev = NULL; 755 if (ice_vsi_release(test_vsi)) 756 netdev_err(netdev, "Failed to remove the test VSI\n"); 757 758 return ret; 759 } 760 761 /** 762 * ice_intr_test - perform an interrupt test on a given net_device 763 * @netdev: network interface device structure 764 * 765 * This function performs one of the self-tests required by ethtool. 766 * Returns 0 on success, non-zero on failure. 767 */ 768 static u64 ice_intr_test(struct net_device *netdev) 769 { 770 struct ice_netdev_priv *np = netdev_priv(netdev); 771 struct ice_pf *pf = np->vsi->back; 772 u16 swic_old = pf->sw_int_count; 773 774 netdev_info(netdev, "interrupt test\n"); 775 776 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 777 GLINT_DYN_CTL_SW_ITR_INDX_M | 778 GLINT_DYN_CTL_INTENA_MSK_M | 779 GLINT_DYN_CTL_SWINT_TRIG_M); 780 781 usleep_range(1000, 2000); 782 return (swic_old == pf->sw_int_count); 783 } 784 785 /** 786 * ice_self_test - handler function for performing a self-test by ethtool 787 * @netdev: network interface device structure 788 * @eth_test: ethtool_test structure 789 * @data: required by ethtool.self_test 790 * 791 * This function is called after invoking 'ethtool -t devname' command where 792 * devname is the name of the network device on which ethtool should operate. 793 * It performs a set of self-tests to check if a device works properly. 794 */ 795 static void 796 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 797 u64 *data) 798 { 799 struct ice_netdev_priv *np = netdev_priv(netdev); 800 bool if_running = netif_running(netdev); 801 struct ice_pf *pf = np->vsi->back; 802 struct device *dev; 803 804 dev = ice_pf_to_dev(pf); 805 806 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 807 netdev_info(netdev, "offline testing starting\n"); 808 809 set_bit(__ICE_TESTING, pf->state); 810 811 if (ice_active_vfs(pf)) { 812 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 813 data[ICE_ETH_TEST_REG] = 1; 814 data[ICE_ETH_TEST_EEPROM] = 1; 815 data[ICE_ETH_TEST_INTR] = 1; 816 data[ICE_ETH_TEST_LOOP] = 1; 817 data[ICE_ETH_TEST_LINK] = 1; 818 eth_test->flags |= ETH_TEST_FL_FAILED; 819 clear_bit(__ICE_TESTING, pf->state); 820 goto skip_ol_tests; 821 } 822 /* If the device is online then take it offline */ 823 if (if_running) 824 /* indicate we're in test mode */ 825 ice_stop(netdev); 826 827 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 828 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 829 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 830 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 831 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 832 833 if (data[ICE_ETH_TEST_LINK] || 834 data[ICE_ETH_TEST_EEPROM] || 835 data[ICE_ETH_TEST_LOOP] || 836 data[ICE_ETH_TEST_INTR] || 837 data[ICE_ETH_TEST_REG]) 838 eth_test->flags |= ETH_TEST_FL_FAILED; 839 840 clear_bit(__ICE_TESTING, pf->state); 841 842 if (if_running) { 843 int status = ice_open(netdev); 844 845 if (status) { 846 dev_err(dev, "Could not open device %s, err %d\n", 847 pf->int_name, status); 848 } 849 } 850 } else { 851 /* Online tests */ 852 netdev_info(netdev, "online testing starting\n"); 853 854 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 855 if (data[ICE_ETH_TEST_LINK]) 856 eth_test->flags |= ETH_TEST_FL_FAILED; 857 858 /* Offline only tests, not run in online; pass by default */ 859 data[ICE_ETH_TEST_REG] = 0; 860 data[ICE_ETH_TEST_EEPROM] = 0; 861 data[ICE_ETH_TEST_INTR] = 0; 862 data[ICE_ETH_TEST_LOOP] = 0; 863 } 864 865 skip_ol_tests: 866 netdev_info(netdev, "testing finished\n"); 867 } 868 869 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 870 { 871 struct ice_netdev_priv *np = netdev_priv(netdev); 872 struct ice_vsi *vsi = np->vsi; 873 char *p = (char *)data; 874 unsigned int i; 875 876 switch (stringset) { 877 case ETH_SS_STATS: 878 for (i = 0; i < ICE_VSI_STATS_LEN; i++) { 879 snprintf(p, ETH_GSTRING_LEN, "%s", 880 ice_gstrings_vsi_stats[i].stat_string); 881 p += ETH_GSTRING_LEN; 882 } 883 884 ice_for_each_alloc_txq(vsi, i) { 885 snprintf(p, ETH_GSTRING_LEN, 886 "tx_queue_%u_packets", i); 887 p += ETH_GSTRING_LEN; 888 snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i); 889 p += ETH_GSTRING_LEN; 890 } 891 892 ice_for_each_alloc_rxq(vsi, i) { 893 snprintf(p, ETH_GSTRING_LEN, 894 "rx_queue_%u_packets", i); 895 p += ETH_GSTRING_LEN; 896 snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i); 897 p += ETH_GSTRING_LEN; 898 } 899 900 if (vsi->type != ICE_VSI_PF) 901 return; 902 903 for (i = 0; i < ICE_PF_STATS_LEN; i++) { 904 snprintf(p, ETH_GSTRING_LEN, "%s", 905 ice_gstrings_pf_stats[i].stat_string); 906 p += ETH_GSTRING_LEN; 907 } 908 909 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 910 snprintf(p, ETH_GSTRING_LEN, 911 "tx_priority_%u_xon.nic", i); 912 p += ETH_GSTRING_LEN; 913 snprintf(p, ETH_GSTRING_LEN, 914 "tx_priority_%u_xoff.nic", i); 915 p += ETH_GSTRING_LEN; 916 } 917 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 918 snprintf(p, ETH_GSTRING_LEN, 919 "rx_priority_%u_xon.nic", i); 920 p += ETH_GSTRING_LEN; 921 snprintf(p, ETH_GSTRING_LEN, 922 "rx_priority_%u_xoff.nic", i); 923 p += ETH_GSTRING_LEN; 924 } 925 break; 926 case ETH_SS_TEST: 927 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 928 break; 929 case ETH_SS_PRIV_FLAGS: 930 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 931 snprintf(p, ETH_GSTRING_LEN, "%s", 932 ice_gstrings_priv_flags[i].name); 933 p += ETH_GSTRING_LEN; 934 } 935 break; 936 default: 937 break; 938 } 939 } 940 941 static int 942 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 943 { 944 struct ice_netdev_priv *np = netdev_priv(netdev); 945 bool led_active; 946 947 switch (state) { 948 case ETHTOOL_ID_ACTIVE: 949 led_active = true; 950 break; 951 case ETHTOOL_ID_INACTIVE: 952 led_active = false; 953 break; 954 default: 955 return -EINVAL; 956 } 957 958 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 959 return -EIO; 960 961 return 0; 962 } 963 964 /** 965 * ice_set_fec_cfg - Set link FEC options 966 * @netdev: network interface device structure 967 * @req_fec: FEC mode to configure 968 */ 969 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 970 { 971 struct ice_netdev_priv *np = netdev_priv(netdev); 972 struct ice_aqc_set_phy_cfg_data config = { 0 }; 973 struct ice_vsi *vsi = np->vsi; 974 struct ice_port_info *pi; 975 976 pi = vsi->port_info; 977 if (!pi) 978 return -EOPNOTSUPP; 979 980 /* Changing the FEC parameters is not supported if not the PF VSI */ 981 if (vsi->type != ICE_VSI_PF) { 982 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 983 return -EOPNOTSUPP; 984 } 985 986 /* Proceed only if requesting different FEC mode */ 987 if (pi->phy.curr_user_fec_req == req_fec) 988 return 0; 989 990 /* Copy the current user PHY configuration. The current user PHY 991 * configuration is initialized during probe from PHY capabilities 992 * software mode, and updated on set PHY configuration. 993 */ 994 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 995 996 ice_cfg_phy_fec(pi, &config, req_fec); 997 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 998 999 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1000 return -EAGAIN; 1001 1002 /* Save requested FEC config */ 1003 pi->phy.curr_user_fec_req = req_fec; 1004 1005 return 0; 1006 } 1007 1008 /** 1009 * ice_set_fecparam - Set FEC link options 1010 * @netdev: network interface device structure 1011 * @fecparam: Ethtool structure to retrieve FEC parameters 1012 */ 1013 static int 1014 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1015 { 1016 struct ice_netdev_priv *np = netdev_priv(netdev); 1017 struct ice_vsi *vsi = np->vsi; 1018 enum ice_fec_mode fec; 1019 1020 switch (fecparam->fec) { 1021 case ETHTOOL_FEC_AUTO: 1022 fec = ICE_FEC_AUTO; 1023 break; 1024 case ETHTOOL_FEC_RS: 1025 fec = ICE_FEC_RS; 1026 break; 1027 case ETHTOOL_FEC_BASER: 1028 fec = ICE_FEC_BASER; 1029 break; 1030 case ETHTOOL_FEC_OFF: 1031 case ETHTOOL_FEC_NONE: 1032 fec = ICE_FEC_NONE; 1033 break; 1034 default: 1035 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1036 fecparam->fec); 1037 return -EINVAL; 1038 } 1039 1040 return ice_set_fec_cfg(netdev, fec); 1041 } 1042 1043 /** 1044 * ice_get_fecparam - Get link FEC options 1045 * @netdev: network interface device structure 1046 * @fecparam: Ethtool structure to retrieve FEC parameters 1047 */ 1048 static int 1049 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1050 { 1051 struct ice_netdev_priv *np = netdev_priv(netdev); 1052 struct ice_aqc_get_phy_caps_data *caps; 1053 struct ice_link_status *link_info; 1054 struct ice_vsi *vsi = np->vsi; 1055 struct ice_port_info *pi; 1056 enum ice_status status; 1057 int err = 0; 1058 1059 pi = vsi->port_info; 1060 1061 if (!pi) 1062 return -EOPNOTSUPP; 1063 link_info = &pi->phy.link_info; 1064 1065 /* Set FEC mode based on negotiated link info */ 1066 switch (link_info->fec_info) { 1067 case ICE_AQ_LINK_25G_KR_FEC_EN: 1068 fecparam->active_fec = ETHTOOL_FEC_BASER; 1069 break; 1070 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1071 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1072 fecparam->active_fec = ETHTOOL_FEC_RS; 1073 break; 1074 default: 1075 fecparam->active_fec = ETHTOOL_FEC_OFF; 1076 break; 1077 } 1078 1079 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1080 if (!caps) 1081 return -ENOMEM; 1082 1083 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, 1084 caps, NULL); 1085 if (status) { 1086 err = -EAGAIN; 1087 goto done; 1088 } 1089 1090 /* Set supported/configured FEC modes based on PHY capability */ 1091 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1092 fecparam->fec |= ETHTOOL_FEC_AUTO; 1093 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1094 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1095 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1096 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1097 fecparam->fec |= ETHTOOL_FEC_BASER; 1098 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1099 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1100 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1101 fecparam->fec |= ETHTOOL_FEC_RS; 1102 if (caps->link_fec_options == 0) 1103 fecparam->fec |= ETHTOOL_FEC_OFF; 1104 1105 done: 1106 kfree(caps); 1107 return err; 1108 } 1109 1110 /** 1111 * ice_nway_reset - restart autonegotiation 1112 * @netdev: network interface device structure 1113 */ 1114 static int ice_nway_reset(struct net_device *netdev) 1115 { 1116 struct ice_netdev_priv *np = netdev_priv(netdev); 1117 struct ice_vsi *vsi = np->vsi; 1118 struct ice_port_info *pi; 1119 enum ice_status status; 1120 1121 pi = vsi->port_info; 1122 /* If VSI state is up, then restart autoneg with link up */ 1123 if (!test_bit(__ICE_DOWN, vsi->back->state)) 1124 status = ice_aq_set_link_restart_an(pi, true, NULL); 1125 else 1126 status = ice_aq_set_link_restart_an(pi, false, NULL); 1127 1128 if (status) { 1129 netdev_info(netdev, "link restart failed, err %s aq_err %s\n", 1130 ice_stat_str(status), 1131 ice_aq_str(pi->hw->adminq.sq_last_status)); 1132 return -EIO; 1133 } 1134 1135 return 0; 1136 } 1137 1138 /** 1139 * ice_get_priv_flags - report device private flags 1140 * @netdev: network interface device structure 1141 * 1142 * The get string set count and the string set should be matched for each 1143 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1144 * array. 1145 * 1146 * Returns a u32 bitmap of flags. 1147 */ 1148 static u32 ice_get_priv_flags(struct net_device *netdev) 1149 { 1150 struct ice_netdev_priv *np = netdev_priv(netdev); 1151 struct ice_vsi *vsi = np->vsi; 1152 struct ice_pf *pf = vsi->back; 1153 u32 i, ret_flags = 0; 1154 1155 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1156 const struct ice_priv_flag *priv_flag; 1157 1158 priv_flag = &ice_gstrings_priv_flags[i]; 1159 1160 if (test_bit(priv_flag->bitno, pf->flags)) 1161 ret_flags |= BIT(i); 1162 } 1163 1164 return ret_flags; 1165 } 1166 1167 /** 1168 * ice_set_priv_flags - set private flags 1169 * @netdev: network interface device structure 1170 * @flags: bit flags to be set 1171 */ 1172 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1173 { 1174 struct ice_netdev_priv *np = netdev_priv(netdev); 1175 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1176 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1177 struct ice_vsi *vsi = np->vsi; 1178 struct ice_pf *pf = vsi->back; 1179 struct device *dev; 1180 int ret = 0; 1181 u32 i; 1182 1183 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1184 return -EINVAL; 1185 1186 dev = ice_pf_to_dev(pf); 1187 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1188 1189 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1190 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1191 const struct ice_priv_flag *priv_flag; 1192 1193 priv_flag = &ice_gstrings_priv_flags[i]; 1194 1195 if (flags & BIT(i)) 1196 set_bit(priv_flag->bitno, pf->flags); 1197 else 1198 clear_bit(priv_flag->bitno, pf->flags); 1199 } 1200 1201 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1202 1203 /* Do not allow change to link-down-on-close when Total Port Shutdown 1204 * is enabled. 1205 */ 1206 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1207 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1208 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1209 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1210 ret = -EINVAL; 1211 goto ethtool_exit; 1212 } 1213 1214 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1215 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1216 enum ice_status status; 1217 1218 /* Disable FW LLDP engine */ 1219 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1220 1221 /* If unregistering for LLDP events fails, this is 1222 * not an error state, as there shouldn't be any 1223 * events to respond to. 1224 */ 1225 if (status) 1226 dev_info(dev, "Failed to unreg for LLDP events\n"); 1227 1228 /* The AQ call to stop the FW LLDP agent will generate 1229 * an error if the agent is already stopped. 1230 */ 1231 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1232 if (status) 1233 dev_warn(dev, "Fail to stop LLDP agent\n"); 1234 /* Use case for having the FW LLDP agent stopped 1235 * will likely not need DCB, so failure to init is 1236 * not a concern of ethtool 1237 */ 1238 status = ice_init_pf_dcb(pf, true); 1239 if (status) 1240 dev_warn(dev, "Fail to init DCB\n"); 1241 } else { 1242 enum ice_status status; 1243 bool dcbx_agent_status; 1244 1245 /* AQ command to start FW LLDP agent will return an 1246 * error if the agent is already started 1247 */ 1248 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1249 if (status) 1250 dev_warn(dev, "Fail to start LLDP Agent\n"); 1251 1252 /* AQ command to start FW DCBX agent will fail if 1253 * the agent is already started 1254 */ 1255 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1256 &dcbx_agent_status, 1257 NULL); 1258 if (status) 1259 dev_dbg(dev, "Failed to start FW DCBX\n"); 1260 1261 dev_info(dev, "FW DCBX agent is %s\n", 1262 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1263 1264 /* Failure to configure MIB change or init DCB is not 1265 * relevant to ethtool. Print notification that 1266 * registration/init failed but do not return error 1267 * state to ethtool 1268 */ 1269 status = ice_init_pf_dcb(pf, true); 1270 if (status) 1271 dev_dbg(dev, "Fail to init DCB\n"); 1272 1273 /* Remove rule to direct LLDP packets to default VSI. 1274 * The FW LLDP engine will now be consuming them. 1275 */ 1276 ice_cfg_sw_lldp(vsi, false, false); 1277 1278 /* Register for MIB change events */ 1279 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1280 if (status) 1281 dev_dbg(dev, "Fail to enable MIB change events\n"); 1282 1283 ice_nway_reset(netdev); 1284 } 1285 } 1286 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1287 /* down and up VSI so that changes of Rx cfg are reflected. */ 1288 ice_down(vsi); 1289 ice_up(vsi); 1290 } 1291 /* don't allow modification of this flag when a single VF is in 1292 * promiscuous mode because it's not supported 1293 */ 1294 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1295 ice_is_any_vf_in_promisc(pf)) { 1296 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1297 /* toggle bit back to previous state */ 1298 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1299 ret = -EAGAIN; 1300 } 1301 ethtool_exit: 1302 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1303 return ret; 1304 } 1305 1306 static int ice_get_sset_count(struct net_device *netdev, int sset) 1307 { 1308 switch (sset) { 1309 case ETH_SS_STATS: 1310 /* The number (and order) of strings reported *must* remain 1311 * constant for a given netdevice. This function must not 1312 * report a different number based on run time parameters 1313 * (such as the number of queues in use, or the setting of 1314 * a private ethtool flag). This is due to the nature of the 1315 * ethtool stats API. 1316 * 1317 * Userspace programs such as ethtool must make 3 separate 1318 * ioctl requests, one for size, one for the strings, and 1319 * finally one for the stats. Since these cross into 1320 * userspace, changes to the number or size could result in 1321 * undefined memory access or incorrect string<->value 1322 * correlations for statistics. 1323 * 1324 * Even if it appears to be safe, changes to the size or 1325 * order of strings will suffer from race conditions and are 1326 * not safe. 1327 */ 1328 return ICE_ALL_STATS_LEN(netdev); 1329 case ETH_SS_TEST: 1330 return ICE_TEST_LEN; 1331 case ETH_SS_PRIV_FLAGS: 1332 return ICE_PRIV_FLAG_ARRAY_SIZE; 1333 default: 1334 return -EOPNOTSUPP; 1335 } 1336 } 1337 1338 static void 1339 ice_get_ethtool_stats(struct net_device *netdev, 1340 struct ethtool_stats __always_unused *stats, u64 *data) 1341 { 1342 struct ice_netdev_priv *np = netdev_priv(netdev); 1343 struct ice_vsi *vsi = np->vsi; 1344 struct ice_pf *pf = vsi->back; 1345 struct ice_ring *ring; 1346 unsigned int j; 1347 int i = 0; 1348 char *p; 1349 1350 ice_update_pf_stats(pf); 1351 ice_update_vsi_stats(vsi); 1352 1353 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1354 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1355 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1356 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1357 } 1358 1359 /* populate per queue stats */ 1360 rcu_read_lock(); 1361 1362 ice_for_each_alloc_txq(vsi, j) { 1363 ring = READ_ONCE(vsi->tx_rings[j]); 1364 if (ring) { 1365 data[i++] = ring->stats.pkts; 1366 data[i++] = ring->stats.bytes; 1367 } else { 1368 data[i++] = 0; 1369 data[i++] = 0; 1370 } 1371 } 1372 1373 ice_for_each_alloc_rxq(vsi, j) { 1374 ring = READ_ONCE(vsi->rx_rings[j]); 1375 if (ring) { 1376 data[i++] = ring->stats.pkts; 1377 data[i++] = ring->stats.bytes; 1378 } else { 1379 data[i++] = 0; 1380 data[i++] = 0; 1381 } 1382 } 1383 1384 rcu_read_unlock(); 1385 1386 if (vsi->type != ICE_VSI_PF) 1387 return; 1388 1389 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1390 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1391 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1392 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1393 } 1394 1395 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1396 data[i++] = pf->stats.priority_xon_tx[j]; 1397 data[i++] = pf->stats.priority_xoff_tx[j]; 1398 } 1399 1400 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1401 data[i++] = pf->stats.priority_xon_rx[j]; 1402 data[i++] = pf->stats.priority_xoff_rx[j]; 1403 } 1404 } 1405 1406 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1407 ICE_PHY_TYPE_LOW_100M_SGMII) 1408 1409 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1410 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1411 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1412 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1413 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1414 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1415 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1416 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1417 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1418 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1419 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1420 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1421 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1422 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1423 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1424 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1425 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1426 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1427 1428 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1429 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1430 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1431 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1432 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1433 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1434 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1435 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1436 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1437 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1438 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1439 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1440 ICE_PHY_TYPE_LOW_100GBASE_DR) 1441 1442 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1443 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1444 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1445 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1446 ICE_PHY_TYPE_HIGH_100G_AUI2) 1447 1448 /** 1449 * ice_mask_min_supported_speeds 1450 * @phy_types_high: PHY type high 1451 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1452 * 1453 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1454 * for ethtool supported link mode. 1455 */ 1456 static 1457 void ice_mask_min_supported_speeds(u64 phy_types_high, u64 *phy_types_low) 1458 { 1459 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1460 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G || 1461 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) 1462 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1463 else 1464 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1465 } 1466 1467 #define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \ 1468 do { \ 1469 if (req_speeds & (aq_link_speed) || \ 1470 (!req_speeds && \ 1471 (adv_phy_type_lo & phy_type_mask_lo || \ 1472 adv_phy_type_hi & phy_type_mask_hi))) \ 1473 ethtool_link_ksettings_add_link_mode(ks, advertising,\ 1474 ethtool_link_mode); \ 1475 } while (0) 1476 1477 /** 1478 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1479 * @netdev: network interface device structure 1480 * @ks: ethtool link ksettings struct to fill out 1481 */ 1482 static void 1483 ice_phy_type_to_ethtool(struct net_device *netdev, 1484 struct ethtool_link_ksettings *ks) 1485 { 1486 struct ice_netdev_priv *np = netdev_priv(netdev); 1487 struct ice_vsi *vsi = np->vsi; 1488 struct ice_pf *pf = vsi->back; 1489 u64 phy_type_mask_lo = 0; 1490 u64 phy_type_mask_hi = 0; 1491 u64 adv_phy_type_lo = 0; 1492 u64 adv_phy_type_hi = 0; 1493 u64 phy_types_high = 0; 1494 u64 phy_types_low = 0; 1495 u16 req_speeds; 1496 1497 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1498 1499 /* Check if lenient mode is supported and enabled, or in strict mode. 1500 * 1501 * In lenient mode the Supported link modes are the PHY types without 1502 * media. The Advertising link mode is either 1. the user requested 1503 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1504 * 1505 * In strict mode Supported link mode are the PHY type with media, 1506 * and Advertising link modes are the media PHY type or the speed 1507 * requested by user. 1508 */ 1509 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1510 struct ice_link_default_override_tlv *ldo; 1511 1512 ldo = &pf->link_dflt_override; 1513 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1514 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1515 1516 ice_mask_min_supported_speeds(phy_types_high, &phy_types_low); 1517 1518 /* If override enabled and PHY mask set, then 1519 * Advertising link mode is the intersection of the PHY 1520 * types without media and the override PHY mask. 1521 */ 1522 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1523 (ldo->phy_type_low || ldo->phy_type_high)) { 1524 adv_phy_type_lo = 1525 le64_to_cpu(pf->nvm_phy_type_lo) & 1526 ldo->phy_type_low; 1527 adv_phy_type_hi = 1528 le64_to_cpu(pf->nvm_phy_type_hi) & 1529 ldo->phy_type_high; 1530 } 1531 } else { 1532 phy_types_low = vsi->port_info->phy.phy_type_low; 1533 phy_types_high = vsi->port_info->phy.phy_type_high; 1534 } 1535 1536 /* If Advertising link mode PHY type is not using override PHY type, 1537 * then use PHY type with media. 1538 */ 1539 if (!adv_phy_type_lo && !adv_phy_type_hi) { 1540 adv_phy_type_lo = vsi->port_info->phy.phy_type_low; 1541 adv_phy_type_hi = vsi->port_info->phy.phy_type_high; 1542 } 1543 1544 ethtool_link_ksettings_zero_link_mode(ks, supported); 1545 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1546 1547 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX | 1548 ICE_PHY_TYPE_LOW_100M_SGMII; 1549 if (phy_types_low & phy_type_mask_lo) { 1550 ethtool_link_ksettings_add_link_mode(ks, supported, 1551 100baseT_Full); 1552 1553 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB, 1554 100baseT_Full); 1555 } 1556 1557 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T | 1558 ICE_PHY_TYPE_LOW_1G_SGMII; 1559 if (phy_types_low & phy_type_mask_lo) { 1560 ethtool_link_ksettings_add_link_mode(ks, supported, 1561 1000baseT_Full); 1562 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1563 1000baseT_Full); 1564 } 1565 1566 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX; 1567 if (phy_types_low & phy_type_mask_lo) { 1568 ethtool_link_ksettings_add_link_mode(ks, supported, 1569 1000baseKX_Full); 1570 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1571 1000baseKX_Full); 1572 } 1573 1574 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX | 1575 ICE_PHY_TYPE_LOW_1000BASE_LX; 1576 if (phy_types_low & phy_type_mask_lo) { 1577 ethtool_link_ksettings_add_link_mode(ks, supported, 1578 1000baseX_Full); 1579 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1580 1000baseX_Full); 1581 } 1582 1583 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T; 1584 if (phy_types_low & phy_type_mask_lo) { 1585 ethtool_link_ksettings_add_link_mode(ks, supported, 1586 2500baseT_Full); 1587 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1588 2500baseT_Full); 1589 } 1590 1591 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X | 1592 ICE_PHY_TYPE_LOW_2500BASE_KX; 1593 if (phy_types_low & phy_type_mask_lo) { 1594 ethtool_link_ksettings_add_link_mode(ks, supported, 1595 2500baseX_Full); 1596 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1597 2500baseX_Full); 1598 } 1599 1600 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T | 1601 ICE_PHY_TYPE_LOW_5GBASE_KR; 1602 if (phy_types_low & phy_type_mask_lo) { 1603 ethtool_link_ksettings_add_link_mode(ks, supported, 1604 5000baseT_Full); 1605 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB, 1606 5000baseT_Full); 1607 } 1608 1609 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T | 1610 ICE_PHY_TYPE_LOW_10G_SFI_DA | 1611 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | 1612 ICE_PHY_TYPE_LOW_10G_SFI_C2C; 1613 if (phy_types_low & phy_type_mask_lo) { 1614 ethtool_link_ksettings_add_link_mode(ks, supported, 1615 10000baseT_Full); 1616 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1617 10000baseT_Full); 1618 } 1619 1620 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1; 1621 if (phy_types_low & phy_type_mask_lo) { 1622 ethtool_link_ksettings_add_link_mode(ks, supported, 1623 10000baseKR_Full); 1624 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1625 10000baseKR_Full); 1626 } 1627 1628 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR; 1629 if (phy_types_low & phy_type_mask_lo) { 1630 ethtool_link_ksettings_add_link_mode(ks, supported, 1631 10000baseSR_Full); 1632 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1633 10000baseSR_Full); 1634 } 1635 1636 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR; 1637 if (phy_types_low & phy_type_mask_lo) { 1638 ethtool_link_ksettings_add_link_mode(ks, supported, 1639 10000baseLR_Full); 1640 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1641 10000baseLR_Full); 1642 } 1643 1644 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T | 1645 ICE_PHY_TYPE_LOW_25GBASE_CR | 1646 ICE_PHY_TYPE_LOW_25GBASE_CR_S | 1647 ICE_PHY_TYPE_LOW_25GBASE_CR1 | 1648 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC | 1649 ICE_PHY_TYPE_LOW_25G_AUI_C2C; 1650 if (phy_types_low & phy_type_mask_lo) { 1651 ethtool_link_ksettings_add_link_mode(ks, supported, 1652 25000baseCR_Full); 1653 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1654 25000baseCR_Full); 1655 } 1656 1657 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR | 1658 ICE_PHY_TYPE_LOW_25GBASE_LR; 1659 if (phy_types_low & phy_type_mask_lo) { 1660 ethtool_link_ksettings_add_link_mode(ks, supported, 1661 25000baseSR_Full); 1662 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1663 25000baseSR_Full); 1664 } 1665 1666 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR | 1667 ICE_PHY_TYPE_LOW_25GBASE_KR_S | 1668 ICE_PHY_TYPE_LOW_25GBASE_KR1; 1669 if (phy_types_low & phy_type_mask_lo) { 1670 ethtool_link_ksettings_add_link_mode(ks, supported, 1671 25000baseKR_Full); 1672 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1673 25000baseKR_Full); 1674 } 1675 1676 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4; 1677 if (phy_types_low & phy_type_mask_lo) { 1678 ethtool_link_ksettings_add_link_mode(ks, supported, 1679 40000baseKR4_Full); 1680 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1681 40000baseKR4_Full); 1682 } 1683 1684 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 | 1685 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC | 1686 ICE_PHY_TYPE_LOW_40G_XLAUI; 1687 if (phy_types_low & phy_type_mask_lo) { 1688 ethtool_link_ksettings_add_link_mode(ks, supported, 1689 40000baseCR4_Full); 1690 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1691 40000baseCR4_Full); 1692 } 1693 1694 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4; 1695 if (phy_types_low & phy_type_mask_lo) { 1696 ethtool_link_ksettings_add_link_mode(ks, supported, 1697 40000baseSR4_Full); 1698 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1699 40000baseSR4_Full); 1700 } 1701 1702 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4; 1703 if (phy_types_low & phy_type_mask_lo) { 1704 ethtool_link_ksettings_add_link_mode(ks, supported, 1705 40000baseLR4_Full); 1706 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1707 40000baseLR4_Full); 1708 } 1709 1710 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 | 1711 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC | 1712 ICE_PHY_TYPE_LOW_50G_LAUI2 | 1713 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC | 1714 ICE_PHY_TYPE_LOW_50G_AUI2 | 1715 ICE_PHY_TYPE_LOW_50GBASE_CP | 1716 ICE_PHY_TYPE_LOW_50GBASE_SR | 1717 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC | 1718 ICE_PHY_TYPE_LOW_50G_AUI1; 1719 if (phy_types_low & phy_type_mask_lo) { 1720 ethtool_link_ksettings_add_link_mode(ks, supported, 1721 50000baseCR2_Full); 1722 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1723 50000baseCR2_Full); 1724 } 1725 1726 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 | 1727 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4; 1728 if (phy_types_low & phy_type_mask_lo) { 1729 ethtool_link_ksettings_add_link_mode(ks, supported, 1730 50000baseKR2_Full); 1731 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1732 50000baseKR2_Full); 1733 } 1734 1735 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 | 1736 ICE_PHY_TYPE_LOW_50GBASE_LR2 | 1737 ICE_PHY_TYPE_LOW_50GBASE_FR | 1738 ICE_PHY_TYPE_LOW_50GBASE_LR; 1739 if (phy_types_low & phy_type_mask_lo) { 1740 ethtool_link_ksettings_add_link_mode(ks, supported, 1741 50000baseSR2_Full); 1742 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1743 50000baseSR2_Full); 1744 } 1745 1746 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 | 1747 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | 1748 ICE_PHY_TYPE_LOW_100G_CAUI4 | 1749 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | 1750 ICE_PHY_TYPE_LOW_100G_AUI4 | 1751 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | 1752 ICE_PHY_TYPE_LOW_100GBASE_CP2; 1753 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC | 1754 ICE_PHY_TYPE_HIGH_100G_CAUI2 | 1755 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | 1756 ICE_PHY_TYPE_HIGH_100G_AUI2; 1757 if (phy_types_low & phy_type_mask_lo || 1758 phy_types_high & phy_type_mask_hi) { 1759 ethtool_link_ksettings_add_link_mode(ks, supported, 1760 100000baseCR4_Full); 1761 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1762 100000baseCR4_Full); 1763 } 1764 1765 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 | 1766 ICE_PHY_TYPE_LOW_100GBASE_SR2; 1767 if (phy_types_low & phy_type_mask_lo) { 1768 ethtool_link_ksettings_add_link_mode(ks, supported, 1769 100000baseSR4_Full); 1770 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1771 100000baseSR4_Full); 1772 } 1773 1774 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 | 1775 ICE_PHY_TYPE_LOW_100GBASE_DR; 1776 if (phy_types_low & phy_type_mask_lo) { 1777 ethtool_link_ksettings_add_link_mode(ks, supported, 1778 100000baseLR4_ER4_Full); 1779 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1780 100000baseLR4_ER4_Full); 1781 } 1782 1783 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 | 1784 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4; 1785 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4; 1786 if (phy_types_low & phy_type_mask_lo || 1787 phy_types_high & phy_type_mask_hi) { 1788 ethtool_link_ksettings_add_link_mode(ks, supported, 1789 100000baseKR4_Full); 1790 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1791 100000baseKR4_Full); 1792 } 1793 1794 /* Autoneg PHY types */ 1795 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || 1796 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || 1797 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX || 1798 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T || 1799 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX || 1800 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || 1801 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR || 1802 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || 1803 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 || 1804 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || 1805 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || 1806 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || 1807 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || 1808 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || 1809 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || 1810 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1 || 1811 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || 1812 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { 1813 ethtool_link_ksettings_add_link_mode(ks, supported, 1814 Autoneg); 1815 ethtool_link_ksettings_add_link_mode(ks, advertising, 1816 Autoneg); 1817 } 1818 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || 1819 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || 1820 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || 1821 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { 1822 ethtool_link_ksettings_add_link_mode(ks, supported, 1823 Autoneg); 1824 ethtool_link_ksettings_add_link_mode(ks, advertising, 1825 Autoneg); 1826 } 1827 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || 1828 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || 1829 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || 1830 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) { 1831 ethtool_link_ksettings_add_link_mode(ks, supported, 1832 Autoneg); 1833 ethtool_link_ksettings_add_link_mode(ks, advertising, 1834 Autoneg); 1835 } 1836 } 1837 1838 #define TEST_SET_BITS_TIMEOUT 50 1839 #define TEST_SET_BITS_SLEEP_MAX 2000 1840 #define TEST_SET_BITS_SLEEP_MIN 1000 1841 1842 /** 1843 * ice_get_settings_link_up - Get Link settings for when link is up 1844 * @ks: ethtool ksettings to fill in 1845 * @netdev: network interface device structure 1846 */ 1847 static void 1848 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1849 struct net_device *netdev) 1850 { 1851 struct ice_netdev_priv *np = netdev_priv(netdev); 1852 struct ice_port_info *pi = np->vsi->port_info; 1853 struct ice_link_status *link_info; 1854 struct ice_vsi *vsi = np->vsi; 1855 1856 link_info = &vsi->port_info->phy.link_info; 1857 1858 /* Get supported and advertised settings from PHY ability with media */ 1859 ice_phy_type_to_ethtool(netdev, ks); 1860 1861 switch (link_info->link_speed) { 1862 case ICE_AQ_LINK_SPEED_100GB: 1863 ks->base.speed = SPEED_100000; 1864 break; 1865 case ICE_AQ_LINK_SPEED_50GB: 1866 ks->base.speed = SPEED_50000; 1867 break; 1868 case ICE_AQ_LINK_SPEED_40GB: 1869 ks->base.speed = SPEED_40000; 1870 break; 1871 case ICE_AQ_LINK_SPEED_25GB: 1872 ks->base.speed = SPEED_25000; 1873 break; 1874 case ICE_AQ_LINK_SPEED_20GB: 1875 ks->base.speed = SPEED_20000; 1876 break; 1877 case ICE_AQ_LINK_SPEED_10GB: 1878 ks->base.speed = SPEED_10000; 1879 break; 1880 case ICE_AQ_LINK_SPEED_5GB: 1881 ks->base.speed = SPEED_5000; 1882 break; 1883 case ICE_AQ_LINK_SPEED_2500MB: 1884 ks->base.speed = SPEED_2500; 1885 break; 1886 case ICE_AQ_LINK_SPEED_1000MB: 1887 ks->base.speed = SPEED_1000; 1888 break; 1889 case ICE_AQ_LINK_SPEED_100MB: 1890 ks->base.speed = SPEED_100; 1891 break; 1892 default: 1893 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1894 link_info->link_speed); 1895 break; 1896 } 1897 ks->base.duplex = DUPLEX_FULL; 1898 1899 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1900 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1901 Autoneg); 1902 1903 /* Set flow control negotiated Rx/Tx pause */ 1904 switch (pi->fc.current_mode) { 1905 case ICE_FC_FULL: 1906 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1907 break; 1908 case ICE_FC_TX_PAUSE: 1909 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1910 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1911 Asym_Pause); 1912 break; 1913 case ICE_FC_RX_PAUSE: 1914 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1915 Asym_Pause); 1916 break; 1917 case ICE_FC_PFC: 1918 default: 1919 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1920 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1921 Asym_Pause); 1922 break; 1923 } 1924 } 1925 1926 /** 1927 * ice_get_settings_link_down - Get the Link settings when link is down 1928 * @ks: ethtool ksettings to fill in 1929 * @netdev: network interface device structure 1930 * 1931 * Reports link settings that can be determined when link is down 1932 */ 1933 static void 1934 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1935 struct net_device *netdev) 1936 { 1937 /* link is down and the driver needs to fall back on 1938 * supported PHY types to figure out what info to display 1939 */ 1940 ice_phy_type_to_ethtool(netdev, ks); 1941 1942 /* With no link, speed and duplex are unknown */ 1943 ks->base.speed = SPEED_UNKNOWN; 1944 ks->base.duplex = DUPLEX_UNKNOWN; 1945 } 1946 1947 /** 1948 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1949 * @netdev: network interface device structure 1950 * @ks: ethtool ksettings 1951 * 1952 * Reports speed/duplex settings based on media_type 1953 */ 1954 static int 1955 ice_get_link_ksettings(struct net_device *netdev, 1956 struct ethtool_link_ksettings *ks) 1957 { 1958 struct ice_netdev_priv *np = netdev_priv(netdev); 1959 struct ice_aqc_get_phy_caps_data *caps; 1960 struct ice_link_status *hw_link_info; 1961 struct ice_vsi *vsi = np->vsi; 1962 enum ice_status status; 1963 int err = 0; 1964 1965 ethtool_link_ksettings_zero_link_mode(ks, supported); 1966 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1967 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1968 hw_link_info = &vsi->port_info->phy.link_info; 1969 1970 /* set speed and duplex */ 1971 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 1972 ice_get_settings_link_up(ks, netdev); 1973 else 1974 ice_get_settings_link_down(ks, netdev); 1975 1976 /* set autoneg settings */ 1977 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 1978 AUTONEG_ENABLE : AUTONEG_DISABLE; 1979 1980 /* set media type settings */ 1981 switch (vsi->port_info->phy.media_type) { 1982 case ICE_MEDIA_FIBER: 1983 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1984 ks->base.port = PORT_FIBRE; 1985 break; 1986 case ICE_MEDIA_BASET: 1987 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 1988 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 1989 ks->base.port = PORT_TP; 1990 break; 1991 case ICE_MEDIA_BACKPLANE: 1992 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1993 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 1994 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1995 ethtool_link_ksettings_add_link_mode(ks, advertising, 1996 Backplane); 1997 ks->base.port = PORT_NONE; 1998 break; 1999 case ICE_MEDIA_DA: 2000 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2001 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 2002 ks->base.port = PORT_DA; 2003 break; 2004 default: 2005 ks->base.port = PORT_OTHER; 2006 break; 2007 } 2008 2009 /* flow control is symmetric and always supported */ 2010 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2011 2012 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 2013 if (!caps) 2014 return -ENOMEM; 2015 2016 status = ice_aq_get_phy_caps(vsi->port_info, false, 2017 ICE_AQC_REPORT_SW_CFG, caps, NULL); 2018 if (status) { 2019 err = -EIO; 2020 goto done; 2021 } 2022 2023 /* Set the advertised flow control based on the PHY capability */ 2024 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2025 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2026 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2027 ethtool_link_ksettings_add_link_mode(ks, advertising, 2028 Asym_Pause); 2029 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2030 ethtool_link_ksettings_add_link_mode(ks, advertising, 2031 Asym_Pause); 2032 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2033 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2034 ethtool_link_ksettings_add_link_mode(ks, advertising, 2035 Asym_Pause); 2036 } else { 2037 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2038 ethtool_link_ksettings_del_link_mode(ks, advertising, 2039 Asym_Pause); 2040 } 2041 2042 /* Set advertised FEC modes based on PHY capability */ 2043 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2044 2045 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2046 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2047 ethtool_link_ksettings_add_link_mode(ks, advertising, 2048 FEC_BASER); 2049 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2050 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2051 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2052 2053 status = ice_aq_get_phy_caps(vsi->port_info, false, 2054 ICE_AQC_REPORT_TOPO_CAP, caps, NULL); 2055 if (status) { 2056 err = -EIO; 2057 goto done; 2058 } 2059 2060 /* Set supported FEC modes based on PHY capability */ 2061 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2062 2063 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2064 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2065 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2066 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2067 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2068 2069 done: 2070 kfree(caps); 2071 return err; 2072 } 2073 2074 /** 2075 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2076 * @ks: ethtool ksettings 2077 */ 2078 static u16 2079 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2080 { 2081 u16 adv_link_speed = 0; 2082 2083 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2084 100baseT_Full)) 2085 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2086 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2087 1000baseX_Full)) 2088 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2089 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2090 1000baseT_Full) || 2091 ethtool_link_ksettings_test_link_mode(ks, advertising, 2092 1000baseKX_Full)) 2093 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2094 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2095 2500baseT_Full)) 2096 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2097 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2098 2500baseX_Full)) 2099 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2100 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2101 5000baseT_Full)) 2102 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2103 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2104 10000baseT_Full) || 2105 ethtool_link_ksettings_test_link_mode(ks, advertising, 2106 10000baseKR_Full)) 2107 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2108 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2109 10000baseSR_Full) || 2110 ethtool_link_ksettings_test_link_mode(ks, advertising, 2111 10000baseLR_Full)) 2112 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2113 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2114 25000baseCR_Full) || 2115 ethtool_link_ksettings_test_link_mode(ks, advertising, 2116 25000baseSR_Full) || 2117 ethtool_link_ksettings_test_link_mode(ks, advertising, 2118 25000baseKR_Full)) 2119 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2120 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2121 40000baseCR4_Full) || 2122 ethtool_link_ksettings_test_link_mode(ks, advertising, 2123 40000baseSR4_Full) || 2124 ethtool_link_ksettings_test_link_mode(ks, advertising, 2125 40000baseLR4_Full) || 2126 ethtool_link_ksettings_test_link_mode(ks, advertising, 2127 40000baseKR4_Full)) 2128 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2129 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2130 50000baseCR2_Full) || 2131 ethtool_link_ksettings_test_link_mode(ks, advertising, 2132 50000baseKR2_Full)) 2133 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2134 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2135 50000baseSR2_Full)) 2136 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2137 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2138 100000baseCR4_Full) || 2139 ethtool_link_ksettings_test_link_mode(ks, advertising, 2140 100000baseSR4_Full) || 2141 ethtool_link_ksettings_test_link_mode(ks, advertising, 2142 100000baseLR4_ER4_Full) || 2143 ethtool_link_ksettings_test_link_mode(ks, advertising, 2144 100000baseKR4_Full)) 2145 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2146 2147 return adv_link_speed; 2148 } 2149 2150 /** 2151 * ice_setup_autoneg 2152 * @p: port info 2153 * @ks: ethtool_link_ksettings 2154 * @config: configuration that will be sent down to FW 2155 * @autoneg_enabled: autonegotiation is enabled or not 2156 * @autoneg_changed: will there a change in autonegotiation 2157 * @netdev: network interface device structure 2158 * 2159 * Setup PHY autonegotiation feature 2160 */ 2161 static int 2162 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2163 struct ice_aqc_set_phy_cfg_data *config, 2164 u8 autoneg_enabled, u8 *autoneg_changed, 2165 struct net_device *netdev) 2166 { 2167 int err = 0; 2168 2169 *autoneg_changed = 0; 2170 2171 /* Check autoneg */ 2172 if (autoneg_enabled == AUTONEG_ENABLE) { 2173 /* If autoneg was not already enabled */ 2174 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2175 /* If autoneg is not supported, return error */ 2176 if (!ethtool_link_ksettings_test_link_mode(ks, 2177 supported, 2178 Autoneg)) { 2179 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2180 err = -EINVAL; 2181 } else { 2182 /* Autoneg is allowed to change */ 2183 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2184 *autoneg_changed = 1; 2185 } 2186 } 2187 } else { 2188 /* If autoneg is currently enabled */ 2189 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2190 /* If autoneg is supported 10GBASE_T is the only PHY 2191 * that can disable it, so otherwise return error 2192 */ 2193 if (ethtool_link_ksettings_test_link_mode(ks, 2194 supported, 2195 Autoneg)) { 2196 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2197 err = -EINVAL; 2198 } else { 2199 /* Autoneg is allowed to change */ 2200 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2201 *autoneg_changed = 1; 2202 } 2203 } 2204 } 2205 2206 return err; 2207 } 2208 2209 /** 2210 * ice_set_link_ksettings - Set Speed and Duplex 2211 * @netdev: network interface device structure 2212 * @ks: ethtool ksettings 2213 * 2214 * Set speed/duplex per media_types advertised/forced 2215 */ 2216 static int 2217 ice_set_link_ksettings(struct net_device *netdev, 2218 const struct ethtool_link_ksettings *ks) 2219 { 2220 struct ice_netdev_priv *np = netdev_priv(netdev); 2221 struct ethtool_link_ksettings safe_ks, copy_ks; 2222 struct ice_aqc_get_phy_caps_data *abilities; 2223 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2224 u16 adv_link_speed, curr_link_speed, idx; 2225 struct ice_aqc_set_phy_cfg_data config; 2226 struct ice_pf *pf = np->vsi->back; 2227 struct ice_port_info *p; 2228 u8 autoneg_changed = 0; 2229 enum ice_status status; 2230 u64 phy_type_high = 0; 2231 u64 phy_type_low = 0; 2232 int err = 0; 2233 bool linkup; 2234 2235 p = np->vsi->port_info; 2236 2237 if (!p) 2238 return -EOPNOTSUPP; 2239 2240 /* Check if this is LAN VSI */ 2241 ice_for_each_vsi(pf, idx) 2242 if (pf->vsi[idx]->type == ICE_VSI_PF) { 2243 if (np->vsi != pf->vsi[idx]) 2244 return -EOPNOTSUPP; 2245 break; 2246 } 2247 2248 if (p->phy.media_type != ICE_MEDIA_BASET && 2249 p->phy.media_type != ICE_MEDIA_FIBER && 2250 p->phy.media_type != ICE_MEDIA_BACKPLANE && 2251 p->phy.media_type != ICE_MEDIA_DA && 2252 p->phy.link_info.link_info & ICE_AQ_LINK_UP) 2253 return -EOPNOTSUPP; 2254 2255 abilities = kzalloc(sizeof(*abilities), GFP_KERNEL); 2256 if (!abilities) 2257 return -ENOMEM; 2258 2259 /* Get the PHY capabilities based on media */ 2260 status = ice_aq_get_phy_caps(p, false, ICE_AQC_REPORT_TOPO_CAP, 2261 abilities, NULL); 2262 if (status) { 2263 err = -EAGAIN; 2264 goto done; 2265 } 2266 2267 /* copy the ksettings to copy_ks to avoid modifying the original */ 2268 memcpy(©_ks, ks, sizeof(copy_ks)); 2269 2270 /* save autoneg out of ksettings */ 2271 autoneg = copy_ks.base.autoneg; 2272 2273 memset(&safe_ks, 0, sizeof(safe_ks)); 2274 2275 /* Get link modes supported by hardware.*/ 2276 ice_phy_type_to_ethtool(netdev, &safe_ks); 2277 2278 /* and check against modes requested by user. 2279 * Return an error if unsupported mode was set. 2280 */ 2281 if (!bitmap_subset(copy_ks.link_modes.advertising, 2282 safe_ks.link_modes.supported, 2283 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2284 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2285 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2286 err = -EINVAL; 2287 goto done; 2288 } 2289 2290 /* get our own copy of the bits to check against */ 2291 memset(&safe_ks, 0, sizeof(safe_ks)); 2292 safe_ks.base.cmd = copy_ks.base.cmd; 2293 safe_ks.base.link_mode_masks_nwords = 2294 copy_ks.base.link_mode_masks_nwords; 2295 ice_get_link_ksettings(netdev, &safe_ks); 2296 2297 /* set autoneg back to what it currently is */ 2298 copy_ks.base.autoneg = safe_ks.base.autoneg; 2299 /* we don't compare the speed */ 2300 copy_ks.base.speed = safe_ks.base.speed; 2301 2302 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2303 * trying to set something that we do not support. 2304 */ 2305 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2306 err = -EOPNOTSUPP; 2307 goto done; 2308 } 2309 2310 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2311 timeout--; 2312 if (!timeout) { 2313 err = -EBUSY; 2314 goto done; 2315 } 2316 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2317 } 2318 2319 /* Copy the current user PHY configuration. The current user PHY 2320 * configuration is initialized during probe from PHY capabilities 2321 * software mode, and updated on set PHY configuration. 2322 */ 2323 memcpy(&config, &p->phy.curr_user_phy_cfg, sizeof(config)); 2324 2325 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2326 2327 /* Check autoneg */ 2328 err = ice_setup_autoneg(p, &safe_ks, &config, autoneg, &autoneg_changed, 2329 netdev); 2330 2331 if (err) 2332 goto done; 2333 2334 /* Call to get the current link speed */ 2335 p->phy.get_link_info = true; 2336 status = ice_get_link_status(p, &linkup); 2337 if (status) { 2338 err = -EAGAIN; 2339 goto done; 2340 } 2341 2342 curr_link_speed = p->phy.link_info.link_speed; 2343 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2344 2345 /* If speed didn't get set, set it to what it currently is. 2346 * This is needed because if advertise is 0 (as it is when autoneg 2347 * is disabled) then speed won't get set. 2348 */ 2349 if (!adv_link_speed) 2350 adv_link_speed = curr_link_speed; 2351 2352 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2353 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); 2354 2355 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2356 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2357 goto done; 2358 } 2359 2360 /* save the requested speeds */ 2361 p->phy.link_info.req_speeds = adv_link_speed; 2362 2363 /* set link and auto negotiation so changes take effect */ 2364 config.caps |= ICE_AQ_PHY_ENA_LINK; 2365 2366 /* check if there is a PHY type for the requested advertised speed */ 2367 if (!(phy_type_low || phy_type_high)) { 2368 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2369 err = -EAGAIN; 2370 goto done; 2371 } 2372 2373 /* intersect requested advertised speed PHY types with media PHY types 2374 * for set PHY configuration 2375 */ 2376 config.phy_type_high = cpu_to_le64(phy_type_high) & 2377 abilities->phy_type_high; 2378 config.phy_type_low = cpu_to_le64(phy_type_low) & 2379 abilities->phy_type_low; 2380 2381 if (!(config.phy_type_high || config.phy_type_low)) { 2382 /* If there is no intersection and lenient mode is enabled, then 2383 * intersect the requested advertised speed with NVM media type 2384 * PHY types. 2385 */ 2386 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2387 config.phy_type_high = cpu_to_le64(phy_type_high) & 2388 pf->nvm_phy_type_hi; 2389 config.phy_type_low = cpu_to_le64(phy_type_low) & 2390 pf->nvm_phy_type_lo; 2391 } else { 2392 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2393 err = -EAGAIN; 2394 goto done; 2395 } 2396 } 2397 2398 /* If link is up put link down */ 2399 if (p->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2400 /* Tell the OS link is going down, the link will go 2401 * back up when fw says it is ready asynchronously 2402 */ 2403 ice_print_link_msg(np->vsi, false); 2404 netif_carrier_off(netdev); 2405 netif_tx_stop_all_queues(netdev); 2406 } 2407 2408 /* make the aq call */ 2409 status = ice_aq_set_phy_cfg(&pf->hw, p, &config, NULL); 2410 if (status) { 2411 netdev_info(netdev, "Set phy config failed,\n"); 2412 err = -EAGAIN; 2413 goto done; 2414 } 2415 2416 /* Save speed request */ 2417 p->phy.curr_user_speed_req = adv_link_speed; 2418 done: 2419 kfree(abilities); 2420 clear_bit(__ICE_CFG_BUSY, pf->state); 2421 2422 return err; 2423 } 2424 2425 /** 2426 * ice_parse_hdrs - parses headers from RSS hash input 2427 * @nfc: ethtool rxnfc command 2428 * 2429 * This function parses the rxnfc command and returns intended 2430 * header types for RSS configuration 2431 */ 2432 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2433 { 2434 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2435 2436 switch (nfc->flow_type) { 2437 case TCP_V4_FLOW: 2438 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2439 break; 2440 case UDP_V4_FLOW: 2441 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2442 break; 2443 case SCTP_V4_FLOW: 2444 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2445 break; 2446 case TCP_V6_FLOW: 2447 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2448 break; 2449 case UDP_V6_FLOW: 2450 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2451 break; 2452 case SCTP_V6_FLOW: 2453 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2454 break; 2455 default: 2456 break; 2457 } 2458 return hdrs; 2459 } 2460 2461 #define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) 2462 #define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) 2463 #define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) 2464 #define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) 2465 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) 2466 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) 2467 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) 2468 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) 2469 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ 2470 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) 2471 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ 2472 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) 2473 2474 /** 2475 * ice_parse_hash_flds - parses hash fields from RSS hash input 2476 * @nfc: ethtool rxnfc command 2477 * 2478 * This function parses the rxnfc command and returns intended 2479 * hash fields for RSS configuration 2480 */ 2481 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) 2482 { 2483 u64 hfld = ICE_HASH_INVALID; 2484 2485 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2486 switch (nfc->flow_type) { 2487 case TCP_V4_FLOW: 2488 case UDP_V4_FLOW: 2489 case SCTP_V4_FLOW: 2490 if (nfc->data & RXH_IP_SRC) 2491 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2492 if (nfc->data & RXH_IP_DST) 2493 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2494 break; 2495 case TCP_V6_FLOW: 2496 case UDP_V6_FLOW: 2497 case SCTP_V6_FLOW: 2498 if (nfc->data & RXH_IP_SRC) 2499 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2500 if (nfc->data & RXH_IP_DST) 2501 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2502 break; 2503 default: 2504 break; 2505 } 2506 } 2507 2508 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2509 switch (nfc->flow_type) { 2510 case TCP_V4_FLOW: 2511 case TCP_V6_FLOW: 2512 if (nfc->data & RXH_L4_B_0_1) 2513 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2514 if (nfc->data & RXH_L4_B_2_3) 2515 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2516 break; 2517 case UDP_V4_FLOW: 2518 case UDP_V6_FLOW: 2519 if (nfc->data & RXH_L4_B_0_1) 2520 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2521 if (nfc->data & RXH_L4_B_2_3) 2522 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2523 break; 2524 case SCTP_V4_FLOW: 2525 case SCTP_V6_FLOW: 2526 if (nfc->data & RXH_L4_B_0_1) 2527 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2528 if (nfc->data & RXH_L4_B_2_3) 2529 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2530 break; 2531 default: 2532 break; 2533 } 2534 } 2535 2536 return hfld; 2537 } 2538 2539 /** 2540 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2541 * @vsi: the VSI being configured 2542 * @nfc: ethtool rxnfc command 2543 * 2544 * Returns Success if the flow input set is supported. 2545 */ 2546 static int 2547 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2548 { 2549 struct ice_pf *pf = vsi->back; 2550 enum ice_status status; 2551 struct device *dev; 2552 u64 hashed_flds; 2553 u32 hdrs; 2554 2555 dev = ice_pf_to_dev(pf); 2556 if (ice_is_safe_mode(pf)) { 2557 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2558 vsi->vsi_num); 2559 return -EINVAL; 2560 } 2561 2562 hashed_flds = ice_parse_hash_flds(nfc); 2563 if (hashed_flds == ICE_HASH_INVALID) { 2564 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2565 vsi->vsi_num); 2566 return -EINVAL; 2567 } 2568 2569 hdrs = ice_parse_hdrs(nfc); 2570 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2571 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2572 vsi->vsi_num); 2573 return -EINVAL; 2574 } 2575 2576 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); 2577 if (status) { 2578 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %s\n", 2579 vsi->vsi_num, ice_stat_str(status)); 2580 return -EINVAL; 2581 } 2582 2583 return 0; 2584 } 2585 2586 /** 2587 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2588 * @vsi: the VSI being configured 2589 * @nfc: ethtool rxnfc command 2590 */ 2591 static void 2592 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2593 { 2594 struct ice_pf *pf = vsi->back; 2595 struct device *dev; 2596 u64 hash_flds; 2597 u32 hdrs; 2598 2599 dev = ice_pf_to_dev(pf); 2600 2601 nfc->data = 0; 2602 if (ice_is_safe_mode(pf)) { 2603 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2604 vsi->vsi_num); 2605 return; 2606 } 2607 2608 hdrs = ice_parse_hdrs(nfc); 2609 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2610 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2611 vsi->vsi_num); 2612 return; 2613 } 2614 2615 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); 2616 if (hash_flds == ICE_HASH_INVALID) { 2617 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2618 vsi->vsi_num); 2619 return; 2620 } 2621 2622 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2623 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2624 nfc->data |= (u64)RXH_IP_SRC; 2625 2626 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2627 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2628 nfc->data |= (u64)RXH_IP_DST; 2629 2630 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2631 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2632 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2633 nfc->data |= (u64)RXH_L4_B_0_1; 2634 2635 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2636 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2637 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2638 nfc->data |= (u64)RXH_L4_B_2_3; 2639 } 2640 2641 /** 2642 * ice_set_rxnfc - command to set Rx flow rules. 2643 * @netdev: network interface device structure 2644 * @cmd: ethtool rxnfc command 2645 * 2646 * Returns 0 for success and negative values for errors 2647 */ 2648 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2649 { 2650 struct ice_netdev_priv *np = netdev_priv(netdev); 2651 struct ice_vsi *vsi = np->vsi; 2652 2653 switch (cmd->cmd) { 2654 case ETHTOOL_SRXCLSRLINS: 2655 return ice_add_fdir_ethtool(vsi, cmd); 2656 case ETHTOOL_SRXCLSRLDEL: 2657 return ice_del_fdir_ethtool(vsi, cmd); 2658 case ETHTOOL_SRXFH: 2659 return ice_set_rss_hash_opt(vsi, cmd); 2660 default: 2661 break; 2662 } 2663 return -EOPNOTSUPP; 2664 } 2665 2666 /** 2667 * ice_get_rxnfc - command to get Rx flow classification rules 2668 * @netdev: network interface device structure 2669 * @cmd: ethtool rxnfc command 2670 * @rule_locs: buffer to rturn Rx flow classification rules 2671 * 2672 * Returns Success if the command is supported. 2673 */ 2674 static int 2675 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2676 u32 __always_unused *rule_locs) 2677 { 2678 struct ice_netdev_priv *np = netdev_priv(netdev); 2679 struct ice_vsi *vsi = np->vsi; 2680 int ret = -EOPNOTSUPP; 2681 struct ice_hw *hw; 2682 2683 hw = &vsi->back->hw; 2684 2685 switch (cmd->cmd) { 2686 case ETHTOOL_GRXRINGS: 2687 cmd->data = vsi->rss_size; 2688 ret = 0; 2689 break; 2690 case ETHTOOL_GRXCLSRLCNT: 2691 cmd->rule_cnt = hw->fdir_active_fltr; 2692 /* report total rule count */ 2693 cmd->data = ice_get_fdir_cnt_all(hw); 2694 ret = 0; 2695 break; 2696 case ETHTOOL_GRXCLSRULE: 2697 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2698 break; 2699 case ETHTOOL_GRXCLSRLALL: 2700 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2701 break; 2702 case ETHTOOL_GRXFH: 2703 ice_get_rss_hash_opt(vsi, cmd); 2704 ret = 0; 2705 break; 2706 default: 2707 break; 2708 } 2709 2710 return ret; 2711 } 2712 2713 static void 2714 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2715 { 2716 struct ice_netdev_priv *np = netdev_priv(netdev); 2717 struct ice_vsi *vsi = np->vsi; 2718 2719 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2720 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2721 ring->rx_pending = vsi->rx_rings[0]->count; 2722 ring->tx_pending = vsi->tx_rings[0]->count; 2723 2724 /* Rx mini and jumbo rings are not supported */ 2725 ring->rx_mini_max_pending = 0; 2726 ring->rx_jumbo_max_pending = 0; 2727 ring->rx_mini_pending = 0; 2728 ring->rx_jumbo_pending = 0; 2729 } 2730 2731 static int 2732 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2733 { 2734 struct ice_ring *tx_rings = NULL, *rx_rings = NULL; 2735 struct ice_netdev_priv *np = netdev_priv(netdev); 2736 struct ice_ring *xdp_rings = NULL; 2737 struct ice_vsi *vsi = np->vsi; 2738 struct ice_pf *pf = vsi->back; 2739 int i, timeout = 50, err = 0; 2740 u16 new_rx_cnt, new_tx_cnt; 2741 2742 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2743 ring->tx_pending < ICE_MIN_NUM_DESC || 2744 ring->rx_pending > ICE_MAX_NUM_DESC || 2745 ring->rx_pending < ICE_MIN_NUM_DESC) { 2746 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2747 ring->tx_pending, ring->rx_pending, 2748 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2749 ICE_REQ_DESC_MULTIPLE); 2750 return -EINVAL; 2751 } 2752 2753 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2754 if (new_tx_cnt != ring->tx_pending) 2755 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2756 new_tx_cnt); 2757 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2758 if (new_rx_cnt != ring->rx_pending) 2759 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2760 new_rx_cnt); 2761 2762 /* if nothing to do return success */ 2763 if (new_tx_cnt == vsi->tx_rings[0]->count && 2764 new_rx_cnt == vsi->rx_rings[0]->count) { 2765 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2766 return 0; 2767 } 2768 2769 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2770 * disallow changing the number of descriptors -- regardless 2771 * if the netdev is running or not. 2772 */ 2773 if (ice_xsk_any_rx_ring_ena(vsi)) 2774 return -EBUSY; 2775 2776 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2777 timeout--; 2778 if (!timeout) 2779 return -EBUSY; 2780 usleep_range(1000, 2000); 2781 } 2782 2783 /* set for the next time the netdev is started */ 2784 if (!netif_running(vsi->netdev)) { 2785 for (i = 0; i < vsi->alloc_txq; i++) 2786 vsi->tx_rings[i]->count = new_tx_cnt; 2787 for (i = 0; i < vsi->alloc_rxq; i++) 2788 vsi->rx_rings[i]->count = new_rx_cnt; 2789 if (ice_is_xdp_ena_vsi(vsi)) 2790 for (i = 0; i < vsi->num_xdp_txq; i++) 2791 vsi->xdp_rings[i]->count = new_tx_cnt; 2792 vsi->num_tx_desc = (u16)new_tx_cnt; 2793 vsi->num_rx_desc = (u16)new_rx_cnt; 2794 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2795 goto done; 2796 } 2797 2798 if (new_tx_cnt == vsi->tx_rings[0]->count) 2799 goto process_rx; 2800 2801 /* alloc updated Tx resources */ 2802 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2803 vsi->tx_rings[0]->count, new_tx_cnt); 2804 2805 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2806 if (!tx_rings) { 2807 err = -ENOMEM; 2808 goto done; 2809 } 2810 2811 ice_for_each_txq(vsi, i) { 2812 /* clone ring and setup updated count */ 2813 tx_rings[i] = *vsi->tx_rings[i]; 2814 tx_rings[i].count = new_tx_cnt; 2815 tx_rings[i].desc = NULL; 2816 tx_rings[i].tx_buf = NULL; 2817 err = ice_setup_tx_ring(&tx_rings[i]); 2818 if (err) { 2819 while (i--) 2820 ice_clean_tx_ring(&tx_rings[i]); 2821 kfree(tx_rings); 2822 goto done; 2823 } 2824 } 2825 2826 if (!ice_is_xdp_ena_vsi(vsi)) 2827 goto process_rx; 2828 2829 /* alloc updated XDP resources */ 2830 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2831 vsi->xdp_rings[0]->count, new_tx_cnt); 2832 2833 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2834 if (!xdp_rings) { 2835 err = -ENOMEM; 2836 goto free_tx; 2837 } 2838 2839 for (i = 0; i < vsi->num_xdp_txq; i++) { 2840 /* clone ring and setup updated count */ 2841 xdp_rings[i] = *vsi->xdp_rings[i]; 2842 xdp_rings[i].count = new_tx_cnt; 2843 xdp_rings[i].desc = NULL; 2844 xdp_rings[i].tx_buf = NULL; 2845 err = ice_setup_tx_ring(&xdp_rings[i]); 2846 if (err) { 2847 while (i--) 2848 ice_clean_tx_ring(&xdp_rings[i]); 2849 kfree(xdp_rings); 2850 goto free_tx; 2851 } 2852 ice_set_ring_xdp(&xdp_rings[i]); 2853 } 2854 2855 process_rx: 2856 if (new_rx_cnt == vsi->rx_rings[0]->count) 2857 goto process_link; 2858 2859 /* alloc updated Rx resources */ 2860 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2861 vsi->rx_rings[0]->count, new_rx_cnt); 2862 2863 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2864 if (!rx_rings) { 2865 err = -ENOMEM; 2866 goto done; 2867 } 2868 2869 ice_for_each_rxq(vsi, i) { 2870 /* clone ring and setup updated count */ 2871 rx_rings[i] = *vsi->rx_rings[i]; 2872 rx_rings[i].count = new_rx_cnt; 2873 rx_rings[i].desc = NULL; 2874 rx_rings[i].rx_buf = NULL; 2875 /* this is to allow wr32 to have something to write to 2876 * during early allocation of Rx buffers 2877 */ 2878 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2879 2880 err = ice_setup_rx_ring(&rx_rings[i]); 2881 if (err) 2882 goto rx_unwind; 2883 2884 /* allocate Rx buffers */ 2885 err = ice_alloc_rx_bufs(&rx_rings[i], 2886 ICE_DESC_UNUSED(&rx_rings[i])); 2887 rx_unwind: 2888 if (err) { 2889 while (i) { 2890 i--; 2891 ice_free_rx_ring(&rx_rings[i]); 2892 } 2893 kfree(rx_rings); 2894 err = -ENOMEM; 2895 goto free_tx; 2896 } 2897 } 2898 2899 process_link: 2900 /* Bring interface down, copy in the new ring info, then restore the 2901 * interface. if VSI is up, bring it down and then back up 2902 */ 2903 if (!test_and_set_bit(__ICE_DOWN, vsi->state)) { 2904 ice_down(vsi); 2905 2906 if (tx_rings) { 2907 ice_for_each_txq(vsi, i) { 2908 ice_free_tx_ring(vsi->tx_rings[i]); 2909 *vsi->tx_rings[i] = tx_rings[i]; 2910 } 2911 kfree(tx_rings); 2912 } 2913 2914 if (rx_rings) { 2915 ice_for_each_rxq(vsi, i) { 2916 ice_free_rx_ring(vsi->rx_rings[i]); 2917 /* copy the real tail offset */ 2918 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2919 /* this is to fake out the allocation routine 2920 * into thinking it has to realloc everything 2921 * but the recycling logic will let us re-use 2922 * the buffers allocated above 2923 */ 2924 rx_rings[i].next_to_use = 0; 2925 rx_rings[i].next_to_clean = 0; 2926 rx_rings[i].next_to_alloc = 0; 2927 *vsi->rx_rings[i] = rx_rings[i]; 2928 } 2929 kfree(rx_rings); 2930 } 2931 2932 if (xdp_rings) { 2933 for (i = 0; i < vsi->num_xdp_txq; i++) { 2934 ice_free_tx_ring(vsi->xdp_rings[i]); 2935 *vsi->xdp_rings[i] = xdp_rings[i]; 2936 } 2937 kfree(xdp_rings); 2938 } 2939 2940 vsi->num_tx_desc = new_tx_cnt; 2941 vsi->num_rx_desc = new_rx_cnt; 2942 ice_up(vsi); 2943 } 2944 goto done; 2945 2946 free_tx: 2947 /* error cleanup if the Rx allocations failed after getting Tx */ 2948 if (tx_rings) { 2949 ice_for_each_txq(vsi, i) 2950 ice_free_tx_ring(&tx_rings[i]); 2951 kfree(tx_rings); 2952 } 2953 2954 done: 2955 clear_bit(__ICE_CFG_BUSY, pf->state); 2956 return err; 2957 } 2958 2959 /** 2960 * ice_get_pauseparam - Get Flow Control status 2961 * @netdev: network interface device structure 2962 * @pause: ethernet pause (flow control) parameters 2963 * 2964 * Get requested flow control status from PHY capability. 2965 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2966 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2967 * the negotiated Rx/Tx pause via lp_advertising. 2968 */ 2969 static void 2970 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2971 { 2972 struct ice_netdev_priv *np = netdev_priv(netdev); 2973 struct ice_port_info *pi = np->vsi->port_info; 2974 struct ice_aqc_get_phy_caps_data *pcaps; 2975 struct ice_dcbx_cfg *dcbx_cfg; 2976 enum ice_status status; 2977 2978 /* Initialize pause params */ 2979 pause->rx_pause = 0; 2980 pause->tx_pause = 0; 2981 2982 dcbx_cfg = &pi->local_dcbx_cfg; 2983 2984 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2985 if (!pcaps) 2986 return; 2987 2988 /* Get current PHY config */ 2989 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 2990 NULL); 2991 if (status) 2992 goto out; 2993 2994 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 2995 AUTONEG_DISABLE; 2996 2997 if (dcbx_cfg->pfc.pfcena) 2998 /* PFC enabled so report LFC as off */ 2999 goto out; 3000 3001 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 3002 pause->tx_pause = 1; 3003 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 3004 pause->rx_pause = 1; 3005 3006 out: 3007 kfree(pcaps); 3008 } 3009 3010 /** 3011 * ice_set_pauseparam - Set Flow Control parameter 3012 * @netdev: network interface device structure 3013 * @pause: return Tx/Rx flow control status 3014 */ 3015 static int 3016 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3017 { 3018 struct ice_netdev_priv *np = netdev_priv(netdev); 3019 struct ice_aqc_get_phy_caps_data *pcaps; 3020 struct ice_link_status *hw_link_info; 3021 struct ice_pf *pf = np->vsi->back; 3022 struct ice_dcbx_cfg *dcbx_cfg; 3023 struct ice_vsi *vsi = np->vsi; 3024 struct ice_hw *hw = &pf->hw; 3025 struct ice_port_info *pi; 3026 enum ice_status status; 3027 u8 aq_failures; 3028 bool link_up; 3029 int err = 0; 3030 u32 is_an; 3031 3032 pi = vsi->port_info; 3033 hw_link_info = &pi->phy.link_info; 3034 dcbx_cfg = &pi->local_dcbx_cfg; 3035 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3036 3037 /* Changing the port's flow control is not supported if this isn't the 3038 * PF VSI 3039 */ 3040 if (vsi->type != ICE_VSI_PF) { 3041 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3042 return -EOPNOTSUPP; 3043 } 3044 3045 /* Get pause param reports configured and negotiated flow control pause 3046 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3047 * defined get pause param pause->autoneg reports SW configured setting, 3048 * so compare pause->autoneg with SW configured to prevent the user from 3049 * using set pause param to chance autoneg. 3050 */ 3051 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3052 if (!pcaps) 3053 return -ENOMEM; 3054 3055 /* Get current PHY config */ 3056 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 3057 NULL); 3058 if (status) { 3059 kfree(pcaps); 3060 return -EIO; 3061 } 3062 3063 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3064 AUTONEG_DISABLE; 3065 3066 kfree(pcaps); 3067 3068 if (pause->autoneg != is_an) { 3069 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3070 return -EOPNOTSUPP; 3071 } 3072 3073 /* If we have link and don't have autoneg */ 3074 if (!test_bit(__ICE_DOWN, pf->state) && 3075 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3076 /* Send message that it might not necessarily work*/ 3077 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3078 } 3079 3080 if (dcbx_cfg->pfc.pfcena) { 3081 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3082 return -EOPNOTSUPP; 3083 } 3084 if (pause->rx_pause && pause->tx_pause) 3085 pi->fc.req_mode = ICE_FC_FULL; 3086 else if (pause->rx_pause && !pause->tx_pause) 3087 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3088 else if (!pause->rx_pause && pause->tx_pause) 3089 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3090 else if (!pause->rx_pause && !pause->tx_pause) 3091 pi->fc.req_mode = ICE_FC_NONE; 3092 else 3093 return -EINVAL; 3094 3095 /* Set the FC mode and only restart AN if link is up */ 3096 status = ice_set_fc(pi, &aq_failures, link_up); 3097 3098 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3099 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 3100 ice_stat_str(status), 3101 ice_aq_str(hw->adminq.sq_last_status)); 3102 err = -EAGAIN; 3103 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3104 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 3105 ice_stat_str(status), 3106 ice_aq_str(hw->adminq.sq_last_status)); 3107 err = -EAGAIN; 3108 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3109 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 3110 ice_stat_str(status), 3111 ice_aq_str(hw->adminq.sq_last_status)); 3112 err = -EAGAIN; 3113 } 3114 3115 return err; 3116 } 3117 3118 /** 3119 * ice_get_rxfh_key_size - get the RSS hash key size 3120 * @netdev: network interface device structure 3121 * 3122 * Returns the table size. 3123 */ 3124 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3125 { 3126 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3127 } 3128 3129 /** 3130 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3131 * @netdev: network interface device structure 3132 * 3133 * Returns the table size. 3134 */ 3135 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3136 { 3137 struct ice_netdev_priv *np = netdev_priv(netdev); 3138 3139 return np->vsi->rss_table_size; 3140 } 3141 3142 /** 3143 * ice_get_rxfh - get the Rx flow hash indirection table 3144 * @netdev: network interface device structure 3145 * @indir: indirection table 3146 * @key: hash key 3147 * @hfunc: hash function 3148 * 3149 * Reads the indirection table directly from the hardware. 3150 */ 3151 static int 3152 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3153 { 3154 struct ice_netdev_priv *np = netdev_priv(netdev); 3155 struct ice_vsi *vsi = np->vsi; 3156 struct ice_pf *pf = vsi->back; 3157 int ret = 0, i; 3158 u8 *lut; 3159 3160 if (hfunc) 3161 *hfunc = ETH_RSS_HASH_TOP; 3162 3163 if (!indir) 3164 return 0; 3165 3166 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3167 /* RSS not supported return error here */ 3168 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3169 return -EIO; 3170 } 3171 3172 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3173 if (!lut) 3174 return -ENOMEM; 3175 3176 if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) { 3177 ret = -EIO; 3178 goto out; 3179 } 3180 3181 for (i = 0; i < vsi->rss_table_size; i++) 3182 indir[i] = (u32)(lut[i]); 3183 3184 out: 3185 kfree(lut); 3186 return ret; 3187 } 3188 3189 /** 3190 * ice_set_rxfh - set the Rx flow hash indirection table 3191 * @netdev: network interface device structure 3192 * @indir: indirection table 3193 * @key: hash key 3194 * @hfunc: hash function 3195 * 3196 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3197 * returns 0 after programming the table. 3198 */ 3199 static int 3200 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3201 const u8 hfunc) 3202 { 3203 struct ice_netdev_priv *np = netdev_priv(netdev); 3204 struct ice_vsi *vsi = np->vsi; 3205 struct ice_pf *pf = vsi->back; 3206 struct device *dev; 3207 u8 *seed = NULL; 3208 3209 dev = ice_pf_to_dev(pf); 3210 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3211 return -EOPNOTSUPP; 3212 3213 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3214 /* RSS not supported return error here */ 3215 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3216 return -EIO; 3217 } 3218 3219 if (key) { 3220 if (!vsi->rss_hkey_user) { 3221 vsi->rss_hkey_user = 3222 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3223 GFP_KERNEL); 3224 if (!vsi->rss_hkey_user) 3225 return -ENOMEM; 3226 } 3227 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3228 seed = vsi->rss_hkey_user; 3229 } 3230 3231 if (!vsi->rss_lut_user) { 3232 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3233 GFP_KERNEL); 3234 if (!vsi->rss_lut_user) 3235 return -ENOMEM; 3236 } 3237 3238 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3239 if (indir) { 3240 int i; 3241 3242 for (i = 0; i < vsi->rss_table_size; i++) 3243 vsi->rss_lut_user[i] = (u8)(indir[i]); 3244 } else { 3245 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3246 vsi->rss_size); 3247 } 3248 3249 if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size)) 3250 return -EIO; 3251 3252 return 0; 3253 } 3254 3255 /** 3256 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3257 * @pf: PF structure 3258 */ 3259 static int ice_get_max_txq(struct ice_pf *pf) 3260 { 3261 return min_t(int, num_online_cpus(), 3262 pf->hw.func_caps.common_cap.num_txq); 3263 } 3264 3265 /** 3266 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3267 * @pf: PF structure 3268 */ 3269 static int ice_get_max_rxq(struct ice_pf *pf) 3270 { 3271 return min_t(int, num_online_cpus(), 3272 pf->hw.func_caps.common_cap.num_rxq); 3273 } 3274 3275 /** 3276 * ice_get_combined_cnt - return the current number of combined channels 3277 * @vsi: PF VSI pointer 3278 * 3279 * Go through all queue vectors and count ones that have both Rx and Tx ring 3280 * attached 3281 */ 3282 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3283 { 3284 u32 combined = 0; 3285 int q_idx; 3286 3287 ice_for_each_q_vector(vsi, q_idx) { 3288 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3289 3290 if (q_vector->rx.ring && q_vector->tx.ring) 3291 combined++; 3292 } 3293 3294 return combined; 3295 } 3296 3297 /** 3298 * ice_get_channels - get the current and max supported channels 3299 * @dev: network interface device structure 3300 * @ch: ethtool channel data structure 3301 */ 3302 static void 3303 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3304 { 3305 struct ice_netdev_priv *np = netdev_priv(dev); 3306 struct ice_vsi *vsi = np->vsi; 3307 struct ice_pf *pf = vsi->back; 3308 3309 /* report maximum channels */ 3310 ch->max_rx = ice_get_max_rxq(pf); 3311 ch->max_tx = ice_get_max_txq(pf); 3312 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3313 3314 /* report current channels */ 3315 ch->combined_count = ice_get_combined_cnt(vsi); 3316 ch->rx_count = vsi->num_rxq - ch->combined_count; 3317 ch->tx_count = vsi->num_txq - ch->combined_count; 3318 3319 /* report other queues */ 3320 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3321 ch->max_other = ch->other_count; 3322 } 3323 3324 /** 3325 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3326 * @vsi: VSI to reconfigure RSS LUT on 3327 * @req_rss_size: requested range of queue numbers for hashing 3328 * 3329 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3330 */ 3331 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3332 { 3333 struct ice_pf *pf = vsi->back; 3334 enum ice_status status; 3335 struct device *dev; 3336 struct ice_hw *hw; 3337 int err = 0; 3338 u8 *lut; 3339 3340 dev = ice_pf_to_dev(pf); 3341 hw = &pf->hw; 3342 3343 if (!req_rss_size) 3344 return -EINVAL; 3345 3346 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3347 if (!lut) 3348 return -ENOMEM; 3349 3350 /* set RSS LUT parameters */ 3351 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3352 vsi->rss_size = 1; 3353 } else { 3354 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3355 3356 vsi->rss_size = min_t(int, req_rss_size, 3357 BIT(caps->rss_table_entry_width)); 3358 } 3359 3360 /* create/set RSS LUT */ 3361 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3362 status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type, lut, 3363 vsi->rss_table_size); 3364 if (status) { 3365 dev_err(dev, "Cannot set RSS lut, err %s aq_err %s\n", 3366 ice_stat_str(status), 3367 ice_aq_str(hw->adminq.sq_last_status)); 3368 err = -EIO; 3369 } 3370 3371 kfree(lut); 3372 return err; 3373 } 3374 3375 /** 3376 * ice_set_channels - set the number channels 3377 * @dev: network interface device structure 3378 * @ch: ethtool channel data structure 3379 */ 3380 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3381 { 3382 struct ice_netdev_priv *np = netdev_priv(dev); 3383 struct ice_vsi *vsi = np->vsi; 3384 struct ice_pf *pf = vsi->back; 3385 int new_rx = 0, new_tx = 0; 3386 u32 curr_combined; 3387 3388 /* do not support changing channels in Safe Mode */ 3389 if (ice_is_safe_mode(pf)) { 3390 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3391 return -EOPNOTSUPP; 3392 } 3393 /* do not support changing other_count */ 3394 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3395 return -EINVAL; 3396 3397 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3398 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3399 return -EOPNOTSUPP; 3400 } 3401 3402 curr_combined = ice_get_combined_cnt(vsi); 3403 3404 /* these checks are for cases where user didn't specify a particular 3405 * value on cmd line but we get non-zero value anyway via 3406 * get_channels(); look at ethtool.c in ethtool repository (the user 3407 * space part), particularly, do_schannels() routine 3408 */ 3409 if (ch->rx_count == vsi->num_rxq - curr_combined) 3410 ch->rx_count = 0; 3411 if (ch->tx_count == vsi->num_txq - curr_combined) 3412 ch->tx_count = 0; 3413 if (ch->combined_count == curr_combined) 3414 ch->combined_count = 0; 3415 3416 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3417 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3418 return -EINVAL; 3419 } 3420 3421 new_rx = ch->combined_count + ch->rx_count; 3422 new_tx = ch->combined_count + ch->tx_count; 3423 3424 if (new_rx > ice_get_max_rxq(pf)) { 3425 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3426 ice_get_max_rxq(pf)); 3427 return -EINVAL; 3428 } 3429 if (new_tx > ice_get_max_txq(pf)) { 3430 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3431 ice_get_max_txq(pf)); 3432 return -EINVAL; 3433 } 3434 3435 ice_vsi_recfg_qs(vsi, new_rx, new_tx); 3436 3437 if (new_rx && !netif_is_rxfh_configured(dev)) 3438 return ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3439 3440 return 0; 3441 } 3442 3443 /** 3444 * ice_get_wol - get current Wake on LAN configuration 3445 * @netdev: network interface device structure 3446 * @wol: Ethtool structure to retrieve WoL settings 3447 */ 3448 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3449 { 3450 struct ice_netdev_priv *np = netdev_priv(netdev); 3451 struct ice_pf *pf = np->vsi->back; 3452 3453 if (np->vsi->type != ICE_VSI_PF) 3454 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3455 3456 /* Get WoL settings based on the HW capability */ 3457 if (ice_is_wol_supported(pf)) { 3458 wol->supported = WAKE_MAGIC; 3459 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3460 } else { 3461 wol->supported = 0; 3462 wol->wolopts = 0; 3463 } 3464 } 3465 3466 /** 3467 * ice_set_wol - set Wake on LAN on supported device 3468 * @netdev: network interface device structure 3469 * @wol: Ethtool structure to set WoL 3470 */ 3471 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3472 { 3473 struct ice_netdev_priv *np = netdev_priv(netdev); 3474 struct ice_vsi *vsi = np->vsi; 3475 struct ice_pf *pf = vsi->back; 3476 3477 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(pf)) 3478 return -EOPNOTSUPP; 3479 3480 /* only magic packet is supported */ 3481 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3482 return -EOPNOTSUPP; 3483 3484 /* Set WoL only if there is a new value */ 3485 if (pf->wol_ena != !!wol->wolopts) { 3486 pf->wol_ena = !!wol->wolopts; 3487 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3488 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3489 pf->wol_ena ? "en" : "dis"); 3490 } 3491 3492 return 0; 3493 } 3494 3495 enum ice_container_type { 3496 ICE_RX_CONTAINER, 3497 ICE_TX_CONTAINER, 3498 }; 3499 3500 /** 3501 * ice_get_rc_coalesce - get ITR values for specific ring container 3502 * @ec: ethtool structure to fill with driver's coalesce settings 3503 * @c_type: container type, Rx or Tx 3504 * @rc: ring container that the ITR values will come from 3505 * 3506 * Query the device for ice_ring_container specific ITR values. This is 3507 * done per ice_ring_container because each q_vector can have 1 or more rings 3508 * and all of said ring(s) will have the same ITR values. 3509 * 3510 * Returns 0 on success, negative otherwise. 3511 */ 3512 static int 3513 ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type, 3514 struct ice_ring_container *rc) 3515 { 3516 struct ice_pf *pf; 3517 3518 if (!rc->ring) 3519 return -EINVAL; 3520 3521 pf = rc->ring->vsi->back; 3522 3523 switch (c_type) { 3524 case ICE_RX_CONTAINER: 3525 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3526 ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3527 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl; 3528 break; 3529 case ICE_TX_CONTAINER: 3530 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3531 ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3532 break; 3533 default: 3534 dev_dbg(ice_pf_to_dev(pf), "Invalid c_type %d\n", c_type); 3535 return -EINVAL; 3536 } 3537 3538 return 0; 3539 } 3540 3541 /** 3542 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3543 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3544 * @ec: coalesce settings to program the device with 3545 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3546 * 3547 * Return 0 on success, and negative under the following conditions: 3548 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3549 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3550 */ 3551 static int 3552 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3553 { 3554 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3555 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3556 &vsi->rx_rings[q_num]->q_vector->rx)) 3557 return -EINVAL; 3558 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3559 &vsi->tx_rings[q_num]->q_vector->tx)) 3560 return -EINVAL; 3561 } else if (q_num < vsi->num_rxq) { 3562 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3563 &vsi->rx_rings[q_num]->q_vector->rx)) 3564 return -EINVAL; 3565 } else if (q_num < vsi->num_txq) { 3566 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3567 &vsi->tx_rings[q_num]->q_vector->tx)) 3568 return -EINVAL; 3569 } else { 3570 return -EINVAL; 3571 } 3572 3573 return 0; 3574 } 3575 3576 /** 3577 * __ice_get_coalesce - get ITR/INTRL values for the device 3578 * @netdev: pointer to the netdev associated with this query 3579 * @ec: ethtool structure to fill with driver's coalesce settings 3580 * @q_num: queue number to get the coalesce settings for 3581 * 3582 * If the caller passes in a negative q_num then we return coalesce settings 3583 * based on queue number 0, else use the actual q_num passed in. 3584 */ 3585 static int 3586 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3587 int q_num) 3588 { 3589 struct ice_netdev_priv *np = netdev_priv(netdev); 3590 struct ice_vsi *vsi = np->vsi; 3591 3592 if (q_num < 0) 3593 q_num = 0; 3594 3595 if (ice_get_q_coalesce(vsi, ec, q_num)) 3596 return -EINVAL; 3597 3598 return 0; 3599 } 3600 3601 static int 3602 ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3603 { 3604 return __ice_get_coalesce(netdev, ec, -1); 3605 } 3606 3607 static int 3608 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3609 struct ethtool_coalesce *ec) 3610 { 3611 return __ice_get_coalesce(netdev, ec, q_num); 3612 } 3613 3614 /** 3615 * ice_set_rc_coalesce - set ITR values for specific ring container 3616 * @c_type: container type, Rx or Tx 3617 * @ec: ethtool structure from user to update ITR settings 3618 * @rc: ring container that the ITR values will come from 3619 * @vsi: VSI associated to the ring container 3620 * 3621 * Set specific ITR values. This is done per ice_ring_container because each 3622 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3623 * ITR values. 3624 * 3625 * Returns 0 on success, negative otherwise. 3626 */ 3627 static int 3628 ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, 3629 struct ice_ring_container *rc, struct ice_vsi *vsi) 3630 { 3631 const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3632 u32 use_adaptive_coalesce, coalesce_usecs; 3633 struct ice_pf *pf = vsi->back; 3634 u16 itr_setting; 3635 3636 if (!rc->ring) 3637 return -EINVAL; 3638 3639 switch (c_type) { 3640 case ICE_RX_CONTAINER: 3641 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3642 (ec->rx_coalesce_usecs_high && 3643 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3644 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3645 c_type_str, pf->hw.intrl_gran, 3646 ICE_MAX_INTRL); 3647 return -EINVAL; 3648 } 3649 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) { 3650 rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high; 3651 wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx), 3652 ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high, 3653 pf->hw.intrl_gran)); 3654 } 3655 3656 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3657 coalesce_usecs = ec->rx_coalesce_usecs; 3658 3659 break; 3660 case ICE_TX_CONTAINER: 3661 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3662 coalesce_usecs = ec->tx_coalesce_usecs; 3663 3664 break; 3665 default: 3666 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3667 c_type); 3668 return -EINVAL; 3669 } 3670 3671 itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3672 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3673 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3674 c_type_str, c_type_str); 3675 return -EINVAL; 3676 } 3677 3678 if (coalesce_usecs > ICE_ITR_MAX) { 3679 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3680 c_type_str, ICE_ITR_MAX); 3681 return -EINVAL; 3682 } 3683 3684 if (use_adaptive_coalesce) { 3685 rc->itr_setting |= ICE_ITR_DYNAMIC; 3686 } else { 3687 /* save the user set usecs */ 3688 rc->itr_setting = coalesce_usecs; 3689 /* device ITR granularity is in 2 usec increments */ 3690 rc->target_itr = ITR_REG_ALIGN(rc->itr_setting); 3691 } 3692 3693 return 0; 3694 } 3695 3696 /** 3697 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3698 * @vsi: VSI associated to the queue that need updating 3699 * @ec: coalesce settings to program the device with 3700 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3701 * 3702 * Return 0 on success, and negative under the following conditions: 3703 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3704 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3705 */ 3706 static int 3707 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3708 { 3709 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3710 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3711 &vsi->rx_rings[q_num]->q_vector->rx, 3712 vsi)) 3713 return -EINVAL; 3714 3715 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3716 &vsi->tx_rings[q_num]->q_vector->tx, 3717 vsi)) 3718 return -EINVAL; 3719 } else if (q_num < vsi->num_rxq) { 3720 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3721 &vsi->rx_rings[q_num]->q_vector->rx, 3722 vsi)) 3723 return -EINVAL; 3724 } else if (q_num < vsi->num_txq) { 3725 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3726 &vsi->tx_rings[q_num]->q_vector->tx, 3727 vsi)) 3728 return -EINVAL; 3729 } else { 3730 return -EINVAL; 3731 } 3732 3733 return 0; 3734 } 3735 3736 /** 3737 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3738 * @netdev: netdev used for print 3739 * @itr_setting: previous user setting 3740 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3741 * @coalesce_usecs: requested value of [tx|rx]-usecs 3742 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3743 */ 3744 static void 3745 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3746 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3747 const char *c_type_str) 3748 { 3749 if (use_adaptive_coalesce) 3750 return; 3751 3752 itr_setting = ITR_TO_REG(itr_setting); 3753 3754 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3755 netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n", 3756 c_type_str, coalesce_usecs, c_type_str, 3757 ITR_REG_ALIGN(coalesce_usecs)); 3758 } 3759 3760 /** 3761 * __ice_set_coalesce - set ITR/INTRL values for the device 3762 * @netdev: pointer to the netdev associated with this query 3763 * @ec: ethtool structure to fill with driver's coalesce settings 3764 * @q_num: queue number to get the coalesce settings for 3765 * 3766 * If the caller passes in a negative q_num then we set the coalesce settings 3767 * for all Tx/Rx queues, else use the actual q_num passed in. 3768 */ 3769 static int 3770 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3771 int q_num) 3772 { 3773 struct ice_netdev_priv *np = netdev_priv(netdev); 3774 struct ice_vsi *vsi = np->vsi; 3775 3776 if (q_num < 0) { 3777 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3778 int v_idx; 3779 3780 if (q_vector) { 3781 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3782 ec->use_adaptive_rx_coalesce, 3783 ec->rx_coalesce_usecs, "rx"); 3784 3785 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3786 ec->use_adaptive_tx_coalesce, 3787 ec->tx_coalesce_usecs, "tx"); 3788 } 3789 3790 ice_for_each_q_vector(vsi, v_idx) { 3791 /* In some cases if DCB is configured the num_[rx|tx]q 3792 * can be less than vsi->num_q_vectors. This check 3793 * accounts for that so we don't report a false failure 3794 */ 3795 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3796 goto set_complete; 3797 3798 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3799 return -EINVAL; 3800 } 3801 goto set_complete; 3802 } 3803 3804 if (ice_set_q_coalesce(vsi, ec, q_num)) 3805 return -EINVAL; 3806 3807 set_complete: 3808 3809 return 0; 3810 } 3811 3812 static int 3813 ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3814 { 3815 return __ice_set_coalesce(netdev, ec, -1); 3816 } 3817 3818 static int 3819 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3820 struct ethtool_coalesce *ec) 3821 { 3822 return __ice_set_coalesce(netdev, ec, q_num); 3823 } 3824 3825 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 3826 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 3827 #define ICE_MODULE_TYPE_SFP 0x03 3828 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 3829 #define ICE_MODULE_TYPE_QSFP28 0x11 3830 #define ICE_MODULE_SFF_ADDR_MODE 0x04 3831 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 3832 #define ICE_MODULE_REVISION_ADDR 0x01 3833 #define ICE_MODULE_SFF_8472_COMP 0x5E 3834 #define ICE_MODULE_SFF_8472_SWAP 0x5C 3835 #define ICE_MODULE_QSFP_MAX_LEN 640 3836 3837 /** 3838 * ice_get_module_info - get SFF module type and revision information 3839 * @netdev: network interface device structure 3840 * @modinfo: module EEPROM size and layout information structure 3841 */ 3842 static int 3843 ice_get_module_info(struct net_device *netdev, 3844 struct ethtool_modinfo *modinfo) 3845 { 3846 struct ice_netdev_priv *np = netdev_priv(netdev); 3847 struct ice_vsi *vsi = np->vsi; 3848 struct ice_pf *pf = vsi->back; 3849 struct ice_hw *hw = &pf->hw; 3850 enum ice_status status; 3851 u8 sff8472_comp = 0; 3852 u8 sff8472_swap = 0; 3853 u8 sff8636_rev = 0; 3854 u8 value = 0; 3855 3856 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 3857 0, &value, 1, 0, NULL); 3858 if (status) 3859 return -EIO; 3860 3861 switch (value) { 3862 case ICE_MODULE_TYPE_SFP: 3863 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3864 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 3865 &sff8472_comp, 1, 0, NULL); 3866 if (status) 3867 return -EIO; 3868 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3869 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 3870 &sff8472_swap, 1, 0, NULL); 3871 if (status) 3872 return -EIO; 3873 3874 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 3875 modinfo->type = ETH_MODULE_SFF_8079; 3876 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3877 } else if (sff8472_comp && 3878 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 3879 modinfo->type = ETH_MODULE_SFF_8472; 3880 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 3881 } else { 3882 modinfo->type = ETH_MODULE_SFF_8079; 3883 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3884 } 3885 break; 3886 case ICE_MODULE_TYPE_QSFP_PLUS: 3887 case ICE_MODULE_TYPE_QSFP28: 3888 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3889 ICE_MODULE_REVISION_ADDR, 0x00, 0, 3890 &sff8636_rev, 1, 0, NULL); 3891 if (status) 3892 return -EIO; 3893 /* Check revision compliance */ 3894 if (sff8636_rev > 0x02) { 3895 /* Module is SFF-8636 compliant */ 3896 modinfo->type = ETH_MODULE_SFF_8636; 3897 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3898 } else { 3899 modinfo->type = ETH_MODULE_SFF_8436; 3900 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3901 } 3902 break; 3903 default: 3904 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 3905 return -EINVAL; 3906 } 3907 return 0; 3908 } 3909 3910 /** 3911 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 3912 * @netdev: network interface device structure 3913 * @ee: EEPROM dump request structure 3914 * @data: buffer to be filled with EEPROM contents 3915 */ 3916 static int 3917 ice_get_module_eeprom(struct net_device *netdev, 3918 struct ethtool_eeprom *ee, u8 *data) 3919 { 3920 struct ice_netdev_priv *np = netdev_priv(netdev); 3921 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 3922 struct ice_vsi *vsi = np->vsi; 3923 struct ice_pf *pf = vsi->back; 3924 struct ice_hw *hw = &pf->hw; 3925 enum ice_status status; 3926 bool is_sfp = false; 3927 unsigned int i; 3928 u16 offset = 0; 3929 u8 value = 0; 3930 u8 page = 0; 3931 3932 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, 3933 &value, 1, 0, NULL); 3934 if (status) 3935 return -EIO; 3936 3937 if (!ee || !ee->len || !data) 3938 return -EINVAL; 3939 3940 if (value == ICE_MODULE_TYPE_SFP) 3941 is_sfp = true; 3942 3943 for (i = 0; i < ee->len; i++) { 3944 offset = i + ee->offset; 3945 3946 /* Check if we need to access the other memory page */ 3947 if (is_sfp) { 3948 if (offset >= ETH_MODULE_SFF_8079_LEN) { 3949 offset -= ETH_MODULE_SFF_8079_LEN; 3950 addr = ICE_I2C_EEPROM_DEV_ADDR2; 3951 } 3952 } else { 3953 while (offset >= ETH_MODULE_SFF_8436_LEN) { 3954 /* Compute memory page number and offset. */ 3955 offset -= ETH_MODULE_SFF_8436_LEN / 2; 3956 page++; 3957 } 3958 } 3959 3960 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, !is_sfp, 3961 &value, 1, 0, NULL); 3962 if (status) 3963 value = 0; 3964 data[i] = value; 3965 } 3966 return 0; 3967 } 3968 3969 static const struct ethtool_ops ice_ethtool_ops = { 3970 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 3971 ETHTOOL_COALESCE_USE_ADAPTIVE | 3972 ETHTOOL_COALESCE_RX_USECS_HIGH, 3973 .get_link_ksettings = ice_get_link_ksettings, 3974 .set_link_ksettings = ice_set_link_ksettings, 3975 .get_drvinfo = ice_get_drvinfo, 3976 .get_regs_len = ice_get_regs_len, 3977 .get_regs = ice_get_regs, 3978 .get_wol = ice_get_wol, 3979 .set_wol = ice_set_wol, 3980 .get_msglevel = ice_get_msglevel, 3981 .set_msglevel = ice_set_msglevel, 3982 .self_test = ice_self_test, 3983 .get_link = ethtool_op_get_link, 3984 .get_eeprom_len = ice_get_eeprom_len, 3985 .get_eeprom = ice_get_eeprom, 3986 .get_coalesce = ice_get_coalesce, 3987 .set_coalesce = ice_set_coalesce, 3988 .get_strings = ice_get_strings, 3989 .set_phys_id = ice_set_phys_id, 3990 .get_ethtool_stats = ice_get_ethtool_stats, 3991 .get_priv_flags = ice_get_priv_flags, 3992 .set_priv_flags = ice_set_priv_flags, 3993 .get_sset_count = ice_get_sset_count, 3994 .get_rxnfc = ice_get_rxnfc, 3995 .set_rxnfc = ice_set_rxnfc, 3996 .get_ringparam = ice_get_ringparam, 3997 .set_ringparam = ice_set_ringparam, 3998 .nway_reset = ice_nway_reset, 3999 .get_pauseparam = ice_get_pauseparam, 4000 .set_pauseparam = ice_set_pauseparam, 4001 .get_rxfh_key_size = ice_get_rxfh_key_size, 4002 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4003 .get_rxfh = ice_get_rxfh, 4004 .set_rxfh = ice_set_rxfh, 4005 .get_channels = ice_get_channels, 4006 .set_channels = ice_set_channels, 4007 .get_ts_info = ethtool_op_get_ts_info, 4008 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4009 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4010 .get_fecparam = ice_get_fecparam, 4011 .set_fecparam = ice_set_fecparam, 4012 .get_module_info = ice_get_module_info, 4013 .get_module_eeprom = ice_get_module_eeprom, 4014 }; 4015 4016 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4017 .get_link_ksettings = ice_get_link_ksettings, 4018 .set_link_ksettings = ice_set_link_ksettings, 4019 .get_drvinfo = ice_get_drvinfo, 4020 .get_regs_len = ice_get_regs_len, 4021 .get_regs = ice_get_regs, 4022 .get_wol = ice_get_wol, 4023 .set_wol = ice_set_wol, 4024 .get_msglevel = ice_get_msglevel, 4025 .set_msglevel = ice_set_msglevel, 4026 .get_link = ethtool_op_get_link, 4027 .get_eeprom_len = ice_get_eeprom_len, 4028 .get_eeprom = ice_get_eeprom, 4029 .get_strings = ice_get_strings, 4030 .get_ethtool_stats = ice_get_ethtool_stats, 4031 .get_sset_count = ice_get_sset_count, 4032 .get_ringparam = ice_get_ringparam, 4033 .set_ringparam = ice_set_ringparam, 4034 .nway_reset = ice_nway_reset, 4035 .get_channels = ice_get_channels, 4036 }; 4037 4038 /** 4039 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4040 * @netdev: network interface device structure 4041 */ 4042 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4043 { 4044 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4045 } 4046 4047 /** 4048 * ice_set_ethtool_ops - setup netdev ethtool ops 4049 * @netdev: network interface device structure 4050 * 4051 * setup netdev ethtool ops with ice specific ops 4052 */ 4053 void ice_set_ethtool_ops(struct net_device *netdev) 4054 { 4055 netdev->ethtool_ops = &ice_ethtool_ops; 4056 } 4057