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_lib.h" 8 #include "ice_dcb_lib.h" 9 10 struct ice_stats { 11 char stat_string[ETH_GSTRING_LEN]; 12 int sizeof_stat; 13 int stat_offset; 14 }; 15 16 #define ICE_STAT(_type, _name, _stat) { \ 17 .stat_string = _name, \ 18 .sizeof_stat = FIELD_SIZEOF(_type, _stat), \ 19 .stat_offset = offsetof(_type, _stat) \ 20 } 21 22 #define ICE_VSI_STAT(_name, _stat) \ 23 ICE_STAT(struct ice_vsi, _name, _stat) 24 #define ICE_PF_STAT(_name, _stat) \ 25 ICE_STAT(struct ice_pf, _name, _stat) 26 27 static int ice_q_stats_len(struct net_device *netdev) 28 { 29 struct ice_netdev_priv *np = netdev_priv(netdev); 30 31 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 32 (sizeof(struct ice_q_stats) / sizeof(u64))); 33 } 34 35 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 36 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 37 38 #define ICE_PFC_STATS_LEN ( \ 39 (FIELD_SIZEOF(struct ice_pf, stats.priority_xoff_rx) + \ 40 FIELD_SIZEOF(struct ice_pf, stats.priority_xon_rx) + \ 41 FIELD_SIZEOF(struct ice_pf, stats.priority_xoff_tx) + \ 42 FIELD_SIZEOF(struct ice_pf, stats.priority_xon_tx)) \ 43 / sizeof(u64)) 44 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 45 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 46 47 static const struct ice_stats ice_gstrings_vsi_stats[] = { 48 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 49 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 50 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 51 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 52 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 53 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 54 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 55 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 56 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 57 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 58 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 59 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 60 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 61 ICE_VSI_STAT("tx_linearize", tx_linearize), 62 }; 63 64 enum ice_ethtool_test_id { 65 ICE_ETH_TEST_REG = 0, 66 ICE_ETH_TEST_EEPROM, 67 ICE_ETH_TEST_INTR, 68 ICE_ETH_TEST_LOOP, 69 ICE_ETH_TEST_LINK, 70 }; 71 72 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 73 "Register test (offline)", 74 "EEPROM test (offline)", 75 "Interrupt test (offline)", 76 "Loopback test (offline)", 77 "Link test (on/offline)", 78 }; 79 80 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 81 82 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 83 * but they aren't. This device is capable of supporting multiple 84 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 85 * netdevs whereas the PF_STATs are for the physical function that's 86 * hosting these netdevs. 87 * 88 * The PF_STATs are appended to the netdev stats only when ethtool -S 89 * is queried on the base PF netdev. 90 */ 91 static const struct ice_stats ice_gstrings_pf_stats[] = { 92 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 93 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 94 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 95 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 96 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 97 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 98 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 99 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 100 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 101 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 102 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 103 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 104 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 105 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 106 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 107 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 108 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 109 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 110 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 111 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 112 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 113 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 114 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 115 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 116 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 117 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 118 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 119 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 120 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 121 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 122 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 123 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 124 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 125 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors), 126 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 127 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 128 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 129 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 130 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 131 }; 132 133 static const u32 ice_regs_dump_list[] = { 134 PFGEN_STATE, 135 PRTGEN_STATUS, 136 QRX_CTRL(0), 137 QINT_TQCTL(0), 138 QINT_RQCTL(0), 139 PFINT_OICR_ENA, 140 QRX_ITR(0), 141 PF0INT_ITR_0(0), 142 PF0INT_ITR_1(0), 143 PF0INT_ITR_2(0), 144 }; 145 146 struct ice_priv_flag { 147 char name[ETH_GSTRING_LEN]; 148 u32 bitno; /* bit position in pf->flags */ 149 }; 150 151 #define ICE_PRIV_FLAG(_name, _bitno) { \ 152 .name = _name, \ 153 .bitno = _bitno, \ 154 } 155 156 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 157 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 158 ICE_PRIV_FLAG("enable-fw-lldp", ICE_FLAG_ENABLE_FW_LLDP), 159 }; 160 161 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 162 163 /** 164 * ice_nvm_version_str - format the NVM version strings 165 * @hw: ptr to the hardware info 166 */ 167 static char *ice_nvm_version_str(struct ice_hw *hw) 168 { 169 static char buf[ICE_ETHTOOL_FWVER_LEN]; 170 u8 ver, patch; 171 u32 full_ver; 172 u16 build; 173 174 full_ver = hw->nvm.oem_ver; 175 ver = (u8)((full_ver & ICE_OEM_VER_MASK) >> ICE_OEM_VER_SHIFT); 176 build = (u16)((full_ver & ICE_OEM_VER_BUILD_MASK) >> 177 ICE_OEM_VER_BUILD_SHIFT); 178 patch = (u8)(full_ver & ICE_OEM_VER_PATCH_MASK); 179 180 snprintf(buf, sizeof(buf), "%x.%02x 0x%x %d.%d.%d", 181 (hw->nvm.ver & ICE_NVM_VER_HI_MASK) >> ICE_NVM_VER_HI_SHIFT, 182 (hw->nvm.ver & ICE_NVM_VER_LO_MASK) >> ICE_NVM_VER_LO_SHIFT, 183 hw->nvm.eetrack, ver, build, patch); 184 185 return buf; 186 } 187 188 static void 189 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 190 { 191 struct ice_netdev_priv *np = netdev_priv(netdev); 192 struct ice_vsi *vsi = np->vsi; 193 struct ice_pf *pf = vsi->back; 194 195 strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 196 strlcpy(drvinfo->version, ice_drv_ver, sizeof(drvinfo->version)); 197 strlcpy(drvinfo->fw_version, ice_nvm_version_str(&pf->hw), 198 sizeof(drvinfo->fw_version)); 199 strlcpy(drvinfo->bus_info, pci_name(pf->pdev), 200 sizeof(drvinfo->bus_info)); 201 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 202 } 203 204 static int ice_get_regs_len(struct net_device __always_unused *netdev) 205 { 206 return sizeof(ice_regs_dump_list); 207 } 208 209 static void 210 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 211 { 212 struct ice_netdev_priv *np = netdev_priv(netdev); 213 struct ice_pf *pf = np->vsi->back; 214 struct ice_hw *hw = &pf->hw; 215 u32 *regs_buf = (u32 *)p; 216 int i; 217 218 regs->version = 1; 219 220 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 221 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 222 } 223 224 static u32 ice_get_msglevel(struct net_device *netdev) 225 { 226 struct ice_netdev_priv *np = netdev_priv(netdev); 227 struct ice_pf *pf = np->vsi->back; 228 229 #ifndef CONFIG_DYNAMIC_DEBUG 230 if (pf->hw.debug_mask) 231 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 232 pf->hw.debug_mask); 233 #endif /* !CONFIG_DYNAMIC_DEBUG */ 234 235 return pf->msg_enable; 236 } 237 238 static void ice_set_msglevel(struct net_device *netdev, u32 data) 239 { 240 struct ice_netdev_priv *np = netdev_priv(netdev); 241 struct ice_pf *pf = np->vsi->back; 242 243 #ifndef CONFIG_DYNAMIC_DEBUG 244 if (ICE_DBG_USER & data) 245 pf->hw.debug_mask = data; 246 else 247 pf->msg_enable = data; 248 #else 249 pf->msg_enable = data; 250 #endif /* !CONFIG_DYNAMIC_DEBUG */ 251 } 252 253 static int ice_get_eeprom_len(struct net_device *netdev) 254 { 255 struct ice_netdev_priv *np = netdev_priv(netdev); 256 struct ice_pf *pf = np->vsi->back; 257 258 return (int)(pf->hw.nvm.sr_words * sizeof(u16)); 259 } 260 261 static int 262 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 263 u8 *bytes) 264 { 265 struct ice_netdev_priv *np = netdev_priv(netdev); 266 u16 first_word, last_word, nwords; 267 struct ice_vsi *vsi = np->vsi; 268 struct ice_pf *pf = vsi->back; 269 struct ice_hw *hw = &pf->hw; 270 enum ice_status status; 271 struct device *dev; 272 int ret = 0; 273 u16 *buf; 274 275 dev = &pf->pdev->dev; 276 277 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 278 279 first_word = eeprom->offset >> 1; 280 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 281 nwords = last_word - first_word + 1; 282 283 buf = devm_kcalloc(dev, nwords, sizeof(u16), GFP_KERNEL); 284 if (!buf) 285 return -ENOMEM; 286 287 status = ice_read_sr_buf(hw, first_word, &nwords, buf); 288 if (status) { 289 dev_err(dev, "ice_read_sr_buf failed, err %d aq_err %d\n", 290 status, hw->adminq.sq_last_status); 291 eeprom->len = sizeof(u16) * nwords; 292 ret = -EIO; 293 goto out; 294 } 295 296 memcpy(bytes, (u8 *)buf + (eeprom->offset & 1), eeprom->len); 297 out: 298 devm_kfree(dev, buf); 299 return ret; 300 } 301 302 /** 303 * ice_active_vfs - check if there are any active VFs 304 * @pf: board private structure 305 * 306 * Returns true if an active VF is found, otherwise returns false 307 */ 308 static bool ice_active_vfs(struct ice_pf *pf) 309 { 310 struct ice_vf *vf = pf->vf; 311 int i; 312 313 for (i = 0; i < pf->num_alloc_vfs; i++, vf++) 314 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) 315 return true; 316 return false; 317 } 318 319 /** 320 * ice_link_test - perform a link test on a given net_device 321 * @netdev: network interface device structure 322 * 323 * This function performs one of the self-tests required by ethtool. 324 * Returns 0 on success, non-zero on failure. 325 */ 326 static u64 ice_link_test(struct net_device *netdev) 327 { 328 struct ice_netdev_priv *np = netdev_priv(netdev); 329 enum ice_status status; 330 bool link_up = false; 331 332 netdev_info(netdev, "link test\n"); 333 status = ice_get_link_status(np->vsi->port_info, &link_up); 334 if (status) { 335 netdev_err(netdev, "link query error, status = %d\n", status); 336 return 1; 337 } 338 339 if (!link_up) 340 return 2; 341 342 return 0; 343 } 344 345 /** 346 * ice_eeprom_test - perform an EEPROM test on a given net_device 347 * @netdev: network interface device structure 348 * 349 * This function performs one of the self-tests required by ethtool. 350 * Returns 0 on success, non-zero on failure. 351 */ 352 static u64 ice_eeprom_test(struct net_device *netdev) 353 { 354 struct ice_netdev_priv *np = netdev_priv(netdev); 355 struct ice_pf *pf = np->vsi->back; 356 357 netdev_info(netdev, "EEPROM test\n"); 358 return !!(ice_nvm_validate_checksum(&pf->hw)); 359 } 360 361 /** 362 * ice_reg_pattern_test 363 * @hw: pointer to the HW struct 364 * @reg: reg to be tested 365 * @mask: bits to be touched 366 */ 367 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 368 { 369 struct ice_pf *pf = (struct ice_pf *)hw->back; 370 static const u32 patterns[] = { 371 0x5A5A5A5A, 0xA5A5A5A5, 372 0x00000000, 0xFFFFFFFF 373 }; 374 u32 val, orig_val; 375 int i; 376 377 orig_val = rd32(hw, reg); 378 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 379 u32 pattern = patterns[i] & mask; 380 381 wr32(hw, reg, pattern); 382 val = rd32(hw, reg); 383 if (val == pattern) 384 continue; 385 dev_err(&pf->pdev->dev, 386 "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 387 , __func__, reg, pattern, val); 388 return 1; 389 } 390 391 wr32(hw, reg, orig_val); 392 val = rd32(hw, reg); 393 if (val != orig_val) { 394 dev_err(&pf->pdev->dev, 395 "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 396 , __func__, reg, orig_val, val); 397 return 1; 398 } 399 400 return 0; 401 } 402 403 /** 404 * ice_reg_test - perform a register test on a given net_device 405 * @netdev: network interface device structure 406 * 407 * This function performs one of the self-tests required by ethtool. 408 * Returns 0 on success, non-zero on failure. 409 */ 410 static u64 ice_reg_test(struct net_device *netdev) 411 { 412 struct ice_netdev_priv *np = netdev_priv(netdev); 413 struct ice_hw *hw = np->vsi->port_info->hw; 414 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 415 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 416 struct ice_diag_reg_test_info { 417 u32 address; 418 u32 mask; 419 u32 elem_num; 420 u32 elem_size; 421 } ice_reg_list[] = { 422 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 423 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 424 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 425 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 426 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 427 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 428 {GLINT_CTL, 0xffff0001, 1, 0} 429 }; 430 int i; 431 432 netdev_dbg(netdev, "Register test\n"); 433 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 434 u32 j; 435 436 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 437 u32 mask = ice_reg_list[i].mask; 438 u32 reg = ice_reg_list[i].address + 439 (j * ice_reg_list[i].elem_size); 440 441 /* bail on failure (non-zero return) */ 442 if (ice_reg_pattern_test(hw, reg, mask)) 443 return 1; 444 } 445 } 446 447 return 0; 448 } 449 450 /** 451 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 452 * @vsi: pointer to the VSI structure 453 * 454 * Function configures rings of a VSI for loopback test without 455 * enabling interrupts or informing the kernel about new queues. 456 * 457 * Returns 0 on success, negative on failure. 458 */ 459 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 460 { 461 int status; 462 463 status = ice_vsi_setup_tx_rings(vsi); 464 if (status) 465 goto err_setup_tx_ring; 466 467 status = ice_vsi_setup_rx_rings(vsi); 468 if (status) 469 goto err_setup_rx_ring; 470 471 status = ice_vsi_cfg(vsi); 472 if (status) 473 goto err_setup_rx_ring; 474 475 status = ice_vsi_start_rx_rings(vsi); 476 if (status) 477 goto err_start_rx_ring; 478 479 return status; 480 481 err_start_rx_ring: 482 ice_vsi_free_rx_rings(vsi); 483 err_setup_rx_ring: 484 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 485 err_setup_tx_ring: 486 ice_vsi_free_tx_rings(vsi); 487 488 return status; 489 } 490 491 /** 492 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 493 * @vsi: pointer to the VSI structure 494 * 495 * Function stops and frees VSI rings after a loopback test. 496 * Returns 0 on success, negative on failure. 497 */ 498 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 499 { 500 int status; 501 502 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 503 if (status) 504 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 505 vsi->vsi_num, status); 506 507 status = ice_vsi_stop_rx_rings(vsi); 508 if (status) 509 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 510 vsi->vsi_num, status); 511 512 ice_vsi_free_tx_rings(vsi); 513 ice_vsi_free_rx_rings(vsi); 514 515 return status; 516 } 517 518 /** 519 * ice_lbtest_create_frame - create test packet 520 * @pf: pointer to the PF structure 521 * @ret_data: allocated frame buffer 522 * @size: size of the packet data 523 * 524 * Function allocates a frame with a test pattern on specific offsets. 525 * Returns 0 on success, non-zero on failure. 526 */ 527 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 528 { 529 u8 *data; 530 531 if (!pf) 532 return -EINVAL; 533 534 data = devm_kzalloc(&pf->pdev->dev, size, GFP_KERNEL); 535 if (!data) 536 return -ENOMEM; 537 538 /* Since the ethernet test frame should always be at least 539 * 64 bytes long, fill some octets in the payload with test data. 540 */ 541 memset(data, 0xFF, size); 542 data[32] = 0xDE; 543 data[42] = 0xAD; 544 data[44] = 0xBE; 545 data[46] = 0xEF; 546 547 *ret_data = data; 548 549 return 0; 550 } 551 552 /** 553 * ice_lbtest_check_frame - verify received loopback frame 554 * @frame: pointer to the raw packet data 555 * 556 * Function verifies received test frame with a pattern. 557 * Returns true if frame matches the pattern, false otherwise. 558 */ 559 static bool ice_lbtest_check_frame(u8 *frame) 560 { 561 /* Validate bytes of a frame under offsets chosen earlier */ 562 if (frame[32] == 0xDE && 563 frame[42] == 0xAD && 564 frame[44] == 0xBE && 565 frame[46] == 0xEF && 566 frame[48] == 0xFF) 567 return true; 568 569 return false; 570 } 571 572 /** 573 * ice_diag_send - send test frames to the test ring 574 * @tx_ring: pointer to the transmit ring 575 * @data: pointer to the raw packet data 576 * @size: size of the packet to send 577 * 578 * Function sends loopback packets on a test Tx ring. 579 */ 580 static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size) 581 { 582 struct ice_tx_desc *tx_desc; 583 struct ice_tx_buf *tx_buf; 584 dma_addr_t dma; 585 u64 td_cmd; 586 587 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 588 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 589 590 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 591 if (dma_mapping_error(tx_ring->dev, dma)) 592 return -EINVAL; 593 594 tx_desc->buf_addr = cpu_to_le64(dma); 595 596 /* These flags are required for a descriptor to be pushed out */ 597 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 598 tx_desc->cmd_type_offset_bsz = 599 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 600 (td_cmd << ICE_TXD_QW1_CMD_S) | 601 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 602 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 603 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 604 605 tx_buf->next_to_watch = tx_desc; 606 607 /* Force memory write to complete before letting h/w know 608 * there are new descriptors to fetch. 609 */ 610 wmb(); 611 612 tx_ring->next_to_use++; 613 if (tx_ring->next_to_use >= tx_ring->count) 614 tx_ring->next_to_use = 0; 615 616 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 617 618 /* Wait until the packets get transmitted to the receive queue. */ 619 usleep_range(1000, 2000); 620 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 621 622 return 0; 623 } 624 625 #define ICE_LB_FRAME_SIZE 64 626 /** 627 * ice_lbtest_receive_frames - receive and verify test frames 628 * @rx_ring: pointer to the receive ring 629 * 630 * Function receives loopback packets and verify their correctness. 631 * Returns number of received valid frames. 632 */ 633 static int ice_lbtest_receive_frames(struct ice_ring *rx_ring) 634 { 635 struct ice_rx_buf *rx_buf; 636 int valid_frames, i; 637 u8 *received_buf; 638 639 valid_frames = 0; 640 641 for (i = 0; i < rx_ring->count; i++) { 642 union ice_32b_rx_flex_desc *rx_desc; 643 644 rx_desc = ICE_RX_DESC(rx_ring, i); 645 646 if (!(rx_desc->wb.status_error0 & 647 cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS))) 648 continue; 649 650 rx_buf = &rx_ring->rx_buf[i]; 651 received_buf = page_address(rx_buf->page); 652 653 if (ice_lbtest_check_frame(received_buf)) 654 valid_frames++; 655 } 656 657 return valid_frames; 658 } 659 660 /** 661 * ice_loopback_test - perform a loopback test on a given net_device 662 * @netdev: network interface device structure 663 * 664 * This function performs one of the self-tests required by ethtool. 665 * Returns 0 on success, non-zero on failure. 666 */ 667 static u64 ice_loopback_test(struct net_device *netdev) 668 { 669 struct ice_netdev_priv *np = netdev_priv(netdev); 670 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 671 struct ice_pf *pf = orig_vsi->back; 672 struct ice_ring *tx_ring, *rx_ring; 673 u8 broadcast[ETH_ALEN], ret = 0; 674 int num_frames, valid_frames; 675 LIST_HEAD(tmp_list); 676 u8 *tx_frame; 677 int i; 678 679 netdev_info(netdev, "loopback test\n"); 680 681 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 682 if (!test_vsi) { 683 netdev_err(netdev, "Failed to create a VSI for the loopback test"); 684 return 1; 685 } 686 687 test_vsi->netdev = netdev; 688 tx_ring = test_vsi->tx_rings[0]; 689 rx_ring = test_vsi->rx_rings[0]; 690 691 if (ice_lbtest_prepare_rings(test_vsi)) { 692 ret = 2; 693 goto lbtest_vsi_close; 694 } 695 696 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 697 ret = 3; 698 goto lbtest_rings_dis; 699 } 700 701 /* Enable MAC loopback in firmware */ 702 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 703 ret = 4; 704 goto lbtest_mac_dis; 705 } 706 707 /* Test VSI needs to receive broadcast packets */ 708 eth_broadcast_addr(broadcast); 709 if (ice_add_mac_to_list(test_vsi, &tmp_list, broadcast)) { 710 ret = 5; 711 goto lbtest_mac_dis; 712 } 713 714 if (ice_add_mac(&pf->hw, &tmp_list)) { 715 ret = 6; 716 goto free_mac_list; 717 } 718 719 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 720 ret = 7; 721 goto remove_mac_filters; 722 } 723 724 num_frames = min_t(int, tx_ring->count, 32); 725 for (i = 0; i < num_frames; i++) { 726 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 727 ret = 8; 728 goto lbtest_free_frame; 729 } 730 } 731 732 valid_frames = ice_lbtest_receive_frames(rx_ring); 733 if (!valid_frames) 734 ret = 9; 735 else if (valid_frames != num_frames) 736 ret = 10; 737 738 lbtest_free_frame: 739 devm_kfree(&pf->pdev->dev, tx_frame); 740 remove_mac_filters: 741 if (ice_remove_mac(&pf->hw, &tmp_list)) 742 netdev_err(netdev, "Could not remove MAC filter for the test VSI"); 743 free_mac_list: 744 ice_free_fltr_list(&pf->pdev->dev, &tmp_list); 745 lbtest_mac_dis: 746 /* Disable MAC loopback after the test is completed. */ 747 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 748 netdev_err(netdev, "Could not disable MAC loopback\n"); 749 lbtest_rings_dis: 750 if (ice_lbtest_disable_rings(test_vsi)) 751 netdev_err(netdev, "Could not disable test rings\n"); 752 lbtest_vsi_close: 753 test_vsi->netdev = NULL; 754 if (ice_vsi_release(test_vsi)) 755 netdev_err(netdev, "Failed to remove the test VSI"); 756 757 return ret; 758 } 759 760 /** 761 * ice_intr_test - perform an interrupt test on a given net_device 762 * @netdev: network interface device structure 763 * 764 * This function performs one of the self-tests required by ethtool. 765 * Returns 0 on success, non-zero on failure. 766 */ 767 static u64 ice_intr_test(struct net_device *netdev) 768 { 769 struct ice_netdev_priv *np = netdev_priv(netdev); 770 struct ice_pf *pf = np->vsi->back; 771 u16 swic_old = pf->sw_int_count; 772 773 netdev_info(netdev, "interrupt test\n"); 774 775 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 776 GLINT_DYN_CTL_SW_ITR_INDX_M | 777 GLINT_DYN_CTL_INTENA_MSK_M | 778 GLINT_DYN_CTL_SWINT_TRIG_M); 779 780 usleep_range(1000, 2000); 781 return (swic_old == pf->sw_int_count); 782 } 783 784 /** 785 * ice_self_test - handler function for performing a self-test by ethtool 786 * @netdev: network interface device structure 787 * @eth_test: ethtool_test structure 788 * @data: required by ethtool.self_test 789 * 790 * This function is called after invoking 'ethtool -t devname' command where 791 * devname is the name of the network device on which ethtool should operate. 792 * It performs a set of self-tests to check if a device works properly. 793 */ 794 static void 795 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 796 u64 *data) 797 { 798 struct ice_netdev_priv *np = netdev_priv(netdev); 799 bool if_running = netif_running(netdev); 800 struct ice_pf *pf = np->vsi->back; 801 802 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 803 netdev_info(netdev, "offline testing starting\n"); 804 805 set_bit(__ICE_TESTING, pf->state); 806 807 if (ice_active_vfs(pf)) { 808 dev_warn(&pf->pdev->dev, 809 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 810 data[ICE_ETH_TEST_REG] = 1; 811 data[ICE_ETH_TEST_EEPROM] = 1; 812 data[ICE_ETH_TEST_INTR] = 1; 813 data[ICE_ETH_TEST_LOOP] = 1; 814 data[ICE_ETH_TEST_LINK] = 1; 815 eth_test->flags |= ETH_TEST_FL_FAILED; 816 clear_bit(__ICE_TESTING, pf->state); 817 goto skip_ol_tests; 818 } 819 /* If the device is online then take it offline */ 820 if (if_running) 821 /* indicate we're in test mode */ 822 ice_stop(netdev); 823 824 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 825 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 826 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 827 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 828 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 829 830 if (data[ICE_ETH_TEST_LINK] || 831 data[ICE_ETH_TEST_EEPROM] || 832 data[ICE_ETH_TEST_LOOP] || 833 data[ICE_ETH_TEST_INTR] || 834 data[ICE_ETH_TEST_REG]) 835 eth_test->flags |= ETH_TEST_FL_FAILED; 836 837 clear_bit(__ICE_TESTING, pf->state); 838 839 if (if_running) { 840 int status = ice_open(netdev); 841 842 if (status) { 843 dev_err(&pf->pdev->dev, 844 "Could not open device %s, err %d", 845 pf->int_name, status); 846 } 847 } 848 } else { 849 /* Online tests */ 850 netdev_info(netdev, "online testing starting\n"); 851 852 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 853 if (data[ICE_ETH_TEST_LINK]) 854 eth_test->flags |= ETH_TEST_FL_FAILED; 855 856 /* Offline only tests, not run in online; pass by default */ 857 data[ICE_ETH_TEST_REG] = 0; 858 data[ICE_ETH_TEST_EEPROM] = 0; 859 data[ICE_ETH_TEST_INTR] = 0; 860 data[ICE_ETH_TEST_LOOP] = 0; 861 } 862 863 skip_ol_tests: 864 netdev_info(netdev, "testing finished\n"); 865 } 866 867 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 868 { 869 struct ice_netdev_priv *np = netdev_priv(netdev); 870 struct ice_vsi *vsi = np->vsi; 871 char *p = (char *)data; 872 unsigned int i; 873 874 switch (stringset) { 875 case ETH_SS_STATS: 876 for (i = 0; i < ICE_VSI_STATS_LEN; i++) { 877 snprintf(p, ETH_GSTRING_LEN, "%s", 878 ice_gstrings_vsi_stats[i].stat_string); 879 p += ETH_GSTRING_LEN; 880 } 881 882 ice_for_each_alloc_txq(vsi, i) { 883 snprintf(p, ETH_GSTRING_LEN, 884 "tx_queue_%u_packets", i); 885 p += ETH_GSTRING_LEN; 886 snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i); 887 p += ETH_GSTRING_LEN; 888 } 889 890 ice_for_each_alloc_rxq(vsi, i) { 891 snprintf(p, ETH_GSTRING_LEN, 892 "rx_queue_%u_packets", i); 893 p += ETH_GSTRING_LEN; 894 snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i); 895 p += ETH_GSTRING_LEN; 896 } 897 898 if (vsi->type != ICE_VSI_PF) 899 return; 900 901 for (i = 0; i < ICE_PF_STATS_LEN; i++) { 902 snprintf(p, ETH_GSTRING_LEN, "%s", 903 ice_gstrings_pf_stats[i].stat_string); 904 p += ETH_GSTRING_LEN; 905 } 906 907 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 908 snprintf(p, ETH_GSTRING_LEN, 909 "tx_priority_%u_xon.nic", i); 910 p += ETH_GSTRING_LEN; 911 snprintf(p, ETH_GSTRING_LEN, 912 "tx_priority_%u_xoff.nic", i); 913 p += ETH_GSTRING_LEN; 914 } 915 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 916 snprintf(p, ETH_GSTRING_LEN, 917 "rx_priority_%u_xon.nic", i); 918 p += ETH_GSTRING_LEN; 919 snprintf(p, ETH_GSTRING_LEN, 920 "rx_priority_%u_xoff.nic", i); 921 p += ETH_GSTRING_LEN; 922 } 923 break; 924 case ETH_SS_TEST: 925 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 926 break; 927 case ETH_SS_PRIV_FLAGS: 928 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 929 snprintf(p, ETH_GSTRING_LEN, "%s", 930 ice_gstrings_priv_flags[i].name); 931 p += ETH_GSTRING_LEN; 932 } 933 break; 934 default: 935 break; 936 } 937 } 938 939 static int 940 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 941 { 942 struct ice_netdev_priv *np = netdev_priv(netdev); 943 bool led_active; 944 945 switch (state) { 946 case ETHTOOL_ID_ACTIVE: 947 led_active = true; 948 break; 949 case ETHTOOL_ID_INACTIVE: 950 led_active = false; 951 break; 952 default: 953 return -EINVAL; 954 } 955 956 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 957 return -EIO; 958 959 return 0; 960 } 961 962 /** 963 * ice_set_fec_cfg - Set link FEC options 964 * @netdev: network interface device structure 965 * @req_fec: FEC mode to configure 966 */ 967 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 968 { 969 struct ice_netdev_priv *np = netdev_priv(netdev); 970 struct ice_aqc_set_phy_cfg_data config = { 0 }; 971 struct ice_aqc_get_phy_caps_data *caps; 972 struct ice_vsi *vsi = np->vsi; 973 u8 sw_cfg_caps, sw_cfg_fec; 974 struct ice_port_info *pi; 975 enum ice_status status; 976 int err = 0; 977 978 pi = vsi->port_info; 979 if (!pi) 980 return -EOPNOTSUPP; 981 982 /* Changing the FEC parameters is not supported if not the PF VSI */ 983 if (vsi->type != ICE_VSI_PF) { 984 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 985 return -EOPNOTSUPP; 986 } 987 988 /* Get last SW configuration */ 989 caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL); 990 if (!caps) 991 return -ENOMEM; 992 993 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, 994 caps, NULL); 995 if (status) { 996 err = -EAGAIN; 997 goto done; 998 } 999 1000 /* Copy SW configuration returned from PHY caps to PHY config */ 1001 ice_copy_phy_caps_to_cfg(caps, &config); 1002 sw_cfg_caps = caps->caps; 1003 sw_cfg_fec = caps->link_fec_options; 1004 1005 /* Get toloplogy caps, then copy PHY FEC topoloy caps to PHY config */ 1006 memset(caps, 0, sizeof(*caps)); 1007 1008 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, 1009 caps, NULL); 1010 if (status) { 1011 err = -EAGAIN; 1012 goto done; 1013 } 1014 1015 config.caps |= (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC); 1016 config.link_fec_opt = caps->link_fec_options; 1017 1018 ice_cfg_phy_fec(&config, req_fec); 1019 1020 /* If FEC mode has changed, then set PHY configuration and enable AN. */ 1021 if ((config.caps & ICE_AQ_PHY_ENA_AUTO_FEC) != 1022 (sw_cfg_caps & ICE_AQC_PHY_EN_AUTO_FEC) || 1023 config.link_fec_opt != sw_cfg_fec) { 1024 if (caps->caps & ICE_AQC_PHY_AN_MODE) 1025 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1026 1027 status = ice_aq_set_phy_cfg(pi->hw, pi->lport, &config, NULL); 1028 1029 if (status) 1030 err = -EAGAIN; 1031 } 1032 1033 done: 1034 devm_kfree(&vsi->back->pdev->dev, caps); 1035 return err; 1036 } 1037 1038 /** 1039 * ice_set_fecparam - Set FEC link options 1040 * @netdev: network interface device structure 1041 * @fecparam: Ethtool structure to retrieve FEC parameters 1042 */ 1043 static int 1044 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1045 { 1046 struct ice_netdev_priv *np = netdev_priv(netdev); 1047 struct ice_vsi *vsi = np->vsi; 1048 enum ice_fec_mode fec; 1049 1050 switch (fecparam->fec) { 1051 case ETHTOOL_FEC_AUTO: 1052 fec = ICE_FEC_AUTO; 1053 break; 1054 case ETHTOOL_FEC_RS: 1055 fec = ICE_FEC_RS; 1056 break; 1057 case ETHTOOL_FEC_BASER: 1058 fec = ICE_FEC_BASER; 1059 break; 1060 case ETHTOOL_FEC_OFF: 1061 case ETHTOOL_FEC_NONE: 1062 fec = ICE_FEC_NONE; 1063 break; 1064 default: 1065 dev_warn(&vsi->back->pdev->dev, "Unsupported FEC mode: %d\n", 1066 fecparam->fec); 1067 return -EINVAL; 1068 } 1069 1070 return ice_set_fec_cfg(netdev, fec); 1071 } 1072 1073 /** 1074 * ice_get_fecparam - Get link FEC options 1075 * @netdev: network interface device structure 1076 * @fecparam: Ethtool structure to retrieve FEC parameters 1077 */ 1078 static int 1079 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1080 { 1081 struct ice_netdev_priv *np = netdev_priv(netdev); 1082 struct ice_aqc_get_phy_caps_data *caps; 1083 struct ice_link_status *link_info; 1084 struct ice_vsi *vsi = np->vsi; 1085 struct ice_port_info *pi; 1086 enum ice_status status; 1087 int err = 0; 1088 1089 pi = vsi->port_info; 1090 1091 if (!pi) 1092 return -EOPNOTSUPP; 1093 link_info = &pi->phy.link_info; 1094 1095 /* Set FEC mode based on negotiated link info */ 1096 switch (link_info->fec_info) { 1097 case ICE_AQ_LINK_25G_KR_FEC_EN: 1098 fecparam->active_fec = ETHTOOL_FEC_BASER; 1099 break; 1100 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1101 /* fall through */ 1102 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1103 fecparam->active_fec = ETHTOOL_FEC_RS; 1104 break; 1105 default: 1106 fecparam->active_fec = ETHTOOL_FEC_OFF; 1107 break; 1108 } 1109 1110 caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL); 1111 if (!caps) 1112 return -ENOMEM; 1113 1114 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, 1115 caps, NULL); 1116 if (status) { 1117 err = -EAGAIN; 1118 goto done; 1119 } 1120 1121 /* Set supported/configured FEC modes based on PHY capability */ 1122 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1123 fecparam->fec |= ETHTOOL_FEC_AUTO; 1124 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1125 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1126 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1127 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1128 fecparam->fec |= ETHTOOL_FEC_BASER; 1129 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1130 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1131 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1132 fecparam->fec |= ETHTOOL_FEC_RS; 1133 if (caps->link_fec_options == 0) 1134 fecparam->fec |= ETHTOOL_FEC_OFF; 1135 1136 done: 1137 devm_kfree(&vsi->back->pdev->dev, caps); 1138 return err; 1139 } 1140 1141 /** 1142 * ice_get_priv_flags - report device private flags 1143 * @netdev: network interface device structure 1144 * 1145 * The get string set count and the string set should be matched for each 1146 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1147 * array. 1148 * 1149 * Returns a u32 bitmap of flags. 1150 */ 1151 static u32 ice_get_priv_flags(struct net_device *netdev) 1152 { 1153 struct ice_netdev_priv *np = netdev_priv(netdev); 1154 struct ice_vsi *vsi = np->vsi; 1155 struct ice_pf *pf = vsi->back; 1156 u32 i, ret_flags = 0; 1157 1158 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1159 const struct ice_priv_flag *priv_flag; 1160 1161 priv_flag = &ice_gstrings_priv_flags[i]; 1162 1163 if (test_bit(priv_flag->bitno, pf->flags)) 1164 ret_flags |= BIT(i); 1165 } 1166 1167 return ret_flags; 1168 } 1169 1170 /** 1171 * ice_set_priv_flags - set private flags 1172 * @netdev: network interface device structure 1173 * @flags: bit flags to be set 1174 */ 1175 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1176 { 1177 struct ice_netdev_priv *np = netdev_priv(netdev); 1178 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1179 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1180 struct ice_vsi *vsi = np->vsi; 1181 struct ice_pf *pf = vsi->back; 1182 int ret = 0; 1183 u32 i; 1184 1185 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1186 return -EINVAL; 1187 1188 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1189 1190 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1191 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1192 const struct ice_priv_flag *priv_flag; 1193 1194 priv_flag = &ice_gstrings_priv_flags[i]; 1195 1196 if (flags & BIT(i)) 1197 set_bit(priv_flag->bitno, pf->flags); 1198 else 1199 clear_bit(priv_flag->bitno, pf->flags); 1200 } 1201 1202 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1203 1204 if (test_bit(ICE_FLAG_ENABLE_FW_LLDP, change_flags)) { 1205 if (!test_bit(ICE_FLAG_ENABLE_FW_LLDP, pf->flags)) { 1206 enum ice_status status; 1207 1208 /* Disable FW LLDP engine */ 1209 status = ice_aq_cfg_lldp_mib_change(&pf->hw, false, 1210 NULL); 1211 /* If unregistering for LLDP events fails, this is 1212 * not an error state, as there shouldn't be any 1213 * events to respond to. 1214 */ 1215 if (status) 1216 dev_info(&pf->pdev->dev, 1217 "Failed to unreg for LLDP events\n"); 1218 1219 /* The AQ call to stop the FW LLDP agent will generate 1220 * an error if the agent is already stopped. 1221 */ 1222 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1223 if (status) 1224 dev_warn(&pf->pdev->dev, 1225 "Fail to stop LLDP agent\n"); 1226 /* Use case for having the FW LLDP agent stopped 1227 * will likely not need DCB, so failure to init is 1228 * not a concern of ethtool 1229 */ 1230 status = ice_init_pf_dcb(pf, true); 1231 if (status) 1232 dev_warn(&pf->pdev->dev, "Fail to init DCB\n"); 1233 1234 /* Forward LLDP packets to default VSI so that they 1235 * are passed up the stack 1236 */ 1237 ice_cfg_sw_lldp(vsi, false, true); 1238 } else { 1239 enum ice_status status; 1240 bool dcbx_agent_status; 1241 1242 /* AQ command to start FW LLDP agent will return an 1243 * error if the agent is already started 1244 */ 1245 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1246 if (status) 1247 dev_warn(&pf->pdev->dev, 1248 "Fail to start LLDP Agent\n"); 1249 1250 /* AQ command to start FW DCBX agent will fail if 1251 * the agent is already started 1252 */ 1253 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1254 &dcbx_agent_status, 1255 NULL); 1256 if (status) 1257 dev_dbg(&pf->pdev->dev, 1258 "Failed to start FW DCBX\n"); 1259 1260 dev_info(&pf->pdev->dev, "FW DCBX agent is %s\n", 1261 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1262 1263 /* Failure to configure MIB change or init DCB is not 1264 * relevant to ethtool. Print notification that 1265 * registration/init failed but do not return error 1266 * state to ethtool 1267 */ 1268 status = ice_init_pf_dcb(pf, true); 1269 if (status) 1270 dev_dbg(&pf->pdev->dev, "Fail to init DCB\n"); 1271 1272 /* Remove rule to direct LLDP packets to default VSI. 1273 * The FW LLDP engine will now be consuming them. 1274 */ 1275 ice_cfg_sw_lldp(vsi, false, false); 1276 } 1277 } 1278 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1279 return ret; 1280 } 1281 1282 static int ice_get_sset_count(struct net_device *netdev, int sset) 1283 { 1284 switch (sset) { 1285 case ETH_SS_STATS: 1286 /* The number (and order) of strings reported *must* remain 1287 * constant for a given netdevice. This function must not 1288 * report a different number based on run time parameters 1289 * (such as the number of queues in use, or the setting of 1290 * a private ethtool flag). This is due to the nature of the 1291 * ethtool stats API. 1292 * 1293 * Userspace programs such as ethtool must make 3 separate 1294 * ioctl requests, one for size, one for the strings, and 1295 * finally one for the stats. Since these cross into 1296 * userspace, changes to the number or size could result in 1297 * undefined memory access or incorrect string<->value 1298 * correlations for statistics. 1299 * 1300 * Even if it appears to be safe, changes to the size or 1301 * order of strings will suffer from race conditions and are 1302 * not safe. 1303 */ 1304 return ICE_ALL_STATS_LEN(netdev); 1305 case ETH_SS_TEST: 1306 return ICE_TEST_LEN; 1307 case ETH_SS_PRIV_FLAGS: 1308 return ICE_PRIV_FLAG_ARRAY_SIZE; 1309 default: 1310 return -EOPNOTSUPP; 1311 } 1312 } 1313 1314 static void 1315 ice_get_ethtool_stats(struct net_device *netdev, 1316 struct ethtool_stats __always_unused *stats, u64 *data) 1317 { 1318 struct ice_netdev_priv *np = netdev_priv(netdev); 1319 struct ice_vsi *vsi = np->vsi; 1320 struct ice_pf *pf = vsi->back; 1321 struct ice_ring *ring; 1322 unsigned int j = 0; 1323 int i = 0; 1324 char *p; 1325 1326 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1327 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1328 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1329 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1330 } 1331 1332 /* populate per queue stats */ 1333 rcu_read_lock(); 1334 1335 ice_for_each_alloc_txq(vsi, j) { 1336 ring = READ_ONCE(vsi->tx_rings[j]); 1337 if (ring) { 1338 data[i++] = ring->stats.pkts; 1339 data[i++] = ring->stats.bytes; 1340 } else { 1341 data[i++] = 0; 1342 data[i++] = 0; 1343 } 1344 } 1345 1346 ice_for_each_alloc_rxq(vsi, j) { 1347 ring = READ_ONCE(vsi->rx_rings[j]); 1348 if (ring) { 1349 data[i++] = ring->stats.pkts; 1350 data[i++] = ring->stats.bytes; 1351 } else { 1352 data[i++] = 0; 1353 data[i++] = 0; 1354 } 1355 } 1356 1357 rcu_read_unlock(); 1358 1359 if (vsi->type != ICE_VSI_PF) 1360 return; 1361 1362 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1363 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1364 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1365 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1366 } 1367 1368 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1369 data[i++] = pf->stats.priority_xon_tx[j]; 1370 data[i++] = pf->stats.priority_xoff_tx[j]; 1371 } 1372 1373 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1374 data[i++] = pf->stats.priority_xon_rx[j]; 1375 data[i++] = pf->stats.priority_xoff_rx[j]; 1376 } 1377 } 1378 1379 /** 1380 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1381 * @netdev: network interface device structure 1382 * @ks: ethtool link ksettings struct to fill out 1383 */ 1384 static void 1385 ice_phy_type_to_ethtool(struct net_device *netdev, 1386 struct ethtool_link_ksettings *ks) 1387 { 1388 struct ice_netdev_priv *np = netdev_priv(netdev); 1389 struct ice_link_status *hw_link_info; 1390 bool need_add_adv_mode = false; 1391 struct ice_vsi *vsi = np->vsi; 1392 u64 phy_types_high; 1393 u64 phy_types_low; 1394 1395 hw_link_info = &vsi->port_info->phy.link_info; 1396 phy_types_low = vsi->port_info->phy.phy_type_low; 1397 phy_types_high = vsi->port_info->phy.phy_type_high; 1398 1399 ethtool_link_ksettings_zero_link_mode(ks, supported); 1400 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1401 1402 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || 1403 phy_types_low & ICE_PHY_TYPE_LOW_100M_SGMII) { 1404 ethtool_link_ksettings_add_link_mode(ks, supported, 1405 100baseT_Full); 1406 if (!hw_link_info->req_speeds || 1407 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100MB) 1408 ethtool_link_ksettings_add_link_mode(ks, advertising, 1409 100baseT_Full); 1410 } 1411 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || 1412 phy_types_low & ICE_PHY_TYPE_LOW_1G_SGMII) { 1413 ethtool_link_ksettings_add_link_mode(ks, supported, 1414 1000baseT_Full); 1415 if (!hw_link_info->req_speeds || 1416 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) 1417 ethtool_link_ksettings_add_link_mode(ks, advertising, 1418 1000baseT_Full); 1419 } 1420 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX) { 1421 ethtool_link_ksettings_add_link_mode(ks, supported, 1422 1000baseKX_Full); 1423 if (!hw_link_info->req_speeds || 1424 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) 1425 ethtool_link_ksettings_add_link_mode(ks, advertising, 1426 1000baseKX_Full); 1427 } 1428 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_SX || 1429 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_LX) { 1430 ethtool_link_ksettings_add_link_mode(ks, supported, 1431 1000baseX_Full); 1432 if (!hw_link_info->req_speeds || 1433 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) 1434 ethtool_link_ksettings_add_link_mode(ks, advertising, 1435 1000baseX_Full); 1436 } 1437 if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T) { 1438 ethtool_link_ksettings_add_link_mode(ks, supported, 1439 2500baseT_Full); 1440 if (!hw_link_info->req_speeds || 1441 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB) 1442 ethtool_link_ksettings_add_link_mode(ks, advertising, 1443 2500baseT_Full); 1444 } 1445 if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_X || 1446 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX) { 1447 ethtool_link_ksettings_add_link_mode(ks, supported, 1448 2500baseX_Full); 1449 if (!hw_link_info->req_speeds || 1450 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB) 1451 ethtool_link_ksettings_add_link_mode(ks, advertising, 1452 2500baseX_Full); 1453 } 1454 if (phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || 1455 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR) { 1456 ethtool_link_ksettings_add_link_mode(ks, supported, 1457 5000baseT_Full); 1458 if (!hw_link_info->req_speeds || 1459 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_5GB) 1460 ethtool_link_ksettings_add_link_mode(ks, advertising, 1461 5000baseT_Full); 1462 } 1463 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || 1464 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_DA || 1465 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC || 1466 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_C2C) { 1467 ethtool_link_ksettings_add_link_mode(ks, supported, 1468 10000baseT_Full); 1469 if (!hw_link_info->req_speeds || 1470 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1471 ethtool_link_ksettings_add_link_mode(ks, advertising, 1472 10000baseT_Full); 1473 } 1474 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1) { 1475 ethtool_link_ksettings_add_link_mode(ks, supported, 1476 10000baseKR_Full); 1477 if (!hw_link_info->req_speeds || 1478 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1479 ethtool_link_ksettings_add_link_mode(ks, advertising, 1480 10000baseKR_Full); 1481 } 1482 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_SR) { 1483 ethtool_link_ksettings_add_link_mode(ks, supported, 1484 10000baseSR_Full); 1485 if (!hw_link_info->req_speeds || 1486 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1487 ethtool_link_ksettings_add_link_mode(ks, advertising, 1488 10000baseSR_Full); 1489 } 1490 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_LR) { 1491 ethtool_link_ksettings_add_link_mode(ks, supported, 1492 10000baseLR_Full); 1493 if (!hw_link_info->req_speeds || 1494 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1495 ethtool_link_ksettings_add_link_mode(ks, advertising, 1496 10000baseLR_Full); 1497 } 1498 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || 1499 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || 1500 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || 1501 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || 1502 phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC || 1503 phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_C2C) { 1504 ethtool_link_ksettings_add_link_mode(ks, supported, 1505 25000baseCR_Full); 1506 if (!hw_link_info->req_speeds || 1507 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) 1508 ethtool_link_ksettings_add_link_mode(ks, advertising, 1509 25000baseCR_Full); 1510 } 1511 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_SR || 1512 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_LR) { 1513 ethtool_link_ksettings_add_link_mode(ks, supported, 1514 25000baseSR_Full); 1515 if (!hw_link_info->req_speeds || 1516 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) 1517 ethtool_link_ksettings_add_link_mode(ks, advertising, 1518 25000baseSR_Full); 1519 } 1520 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || 1521 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || 1522 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1) { 1523 ethtool_link_ksettings_add_link_mode(ks, supported, 1524 25000baseKR_Full); 1525 if (!hw_link_info->req_speeds || 1526 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) 1527 ethtool_link_ksettings_add_link_mode(ks, advertising, 1528 25000baseKR_Full); 1529 } 1530 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { 1531 ethtool_link_ksettings_add_link_mode(ks, supported, 1532 40000baseKR4_Full); 1533 if (!hw_link_info->req_speeds || 1534 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1535 ethtool_link_ksettings_add_link_mode(ks, advertising, 1536 40000baseKR4_Full); 1537 } 1538 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || 1539 phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC || 1540 phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI) { 1541 ethtool_link_ksettings_add_link_mode(ks, supported, 1542 40000baseCR4_Full); 1543 if (!hw_link_info->req_speeds || 1544 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1545 ethtool_link_ksettings_add_link_mode(ks, advertising, 1546 40000baseCR4_Full); 1547 } 1548 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_SR4) { 1549 ethtool_link_ksettings_add_link_mode(ks, supported, 1550 40000baseSR4_Full); 1551 if (!hw_link_info->req_speeds || 1552 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1553 ethtool_link_ksettings_add_link_mode(ks, advertising, 1554 40000baseSR4_Full); 1555 } 1556 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_LR4) { 1557 ethtool_link_ksettings_add_link_mode(ks, supported, 1558 40000baseLR4_Full); 1559 if (!hw_link_info->req_speeds || 1560 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1561 ethtool_link_ksettings_add_link_mode(ks, advertising, 1562 40000baseLR4_Full); 1563 } 1564 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || 1565 phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC || 1566 phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2 || 1567 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC || 1568 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2 || 1569 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || 1570 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR || 1571 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC || 1572 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1) { 1573 ethtool_link_ksettings_add_link_mode(ks, supported, 1574 50000baseCR2_Full); 1575 if (!hw_link_info->req_speeds || 1576 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) 1577 ethtool_link_ksettings_add_link_mode(ks, advertising, 1578 50000baseCR2_Full); 1579 } 1580 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || 1581 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { 1582 ethtool_link_ksettings_add_link_mode(ks, supported, 1583 50000baseKR2_Full); 1584 if (!hw_link_info->req_speeds || 1585 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) 1586 ethtool_link_ksettings_add_link_mode(ks, advertising, 1587 50000baseKR2_Full); 1588 } 1589 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR2 || 1590 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR2 || 1591 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_FR || 1592 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR) { 1593 ethtool_link_ksettings_add_link_mode(ks, supported, 1594 50000baseSR2_Full); 1595 if (!hw_link_info->req_speeds || 1596 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) 1597 ethtool_link_ksettings_add_link_mode(ks, advertising, 1598 50000baseSR2_Full); 1599 } 1600 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || 1601 phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC || 1602 phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4 || 1603 phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC || 1604 phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4 || 1605 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 || 1606 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2 || 1607 phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC || 1608 phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2 || 1609 phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC || 1610 phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2) { 1611 ethtool_link_ksettings_add_link_mode(ks, supported, 1612 100000baseCR4_Full); 1613 if (!hw_link_info->req_speeds || 1614 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1615 need_add_adv_mode = true; 1616 } 1617 if (need_add_adv_mode) { 1618 need_add_adv_mode = false; 1619 ethtool_link_ksettings_add_link_mode(ks, advertising, 1620 100000baseCR4_Full); 1621 } 1622 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR4 || 1623 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR2) { 1624 ethtool_link_ksettings_add_link_mode(ks, supported, 1625 100000baseSR4_Full); 1626 if (!hw_link_info->req_speeds || 1627 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1628 need_add_adv_mode = true; 1629 } 1630 if (need_add_adv_mode) { 1631 need_add_adv_mode = false; 1632 ethtool_link_ksettings_add_link_mode(ks, advertising, 1633 100000baseSR4_Full); 1634 } 1635 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_LR4 || 1636 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_DR) { 1637 ethtool_link_ksettings_add_link_mode(ks, supported, 1638 100000baseLR4_ER4_Full); 1639 if (!hw_link_info->req_speeds || 1640 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1641 need_add_adv_mode = true; 1642 } 1643 if (need_add_adv_mode) { 1644 need_add_adv_mode = false; 1645 ethtool_link_ksettings_add_link_mode(ks, advertising, 1646 100000baseLR4_ER4_Full); 1647 } 1648 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || 1649 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || 1650 phy_types_high & ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4) { 1651 ethtool_link_ksettings_add_link_mode(ks, supported, 1652 100000baseKR4_Full); 1653 if (!hw_link_info->req_speeds || 1654 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1655 need_add_adv_mode = true; 1656 } 1657 if (need_add_adv_mode) 1658 ethtool_link_ksettings_add_link_mode(ks, advertising, 1659 100000baseKR4_Full); 1660 1661 /* Autoneg PHY types */ 1662 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || 1663 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || 1664 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX || 1665 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T || 1666 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX || 1667 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || 1668 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR || 1669 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || 1670 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 || 1671 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || 1672 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || 1673 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || 1674 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || 1675 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || 1676 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || 1677 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1 || 1678 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || 1679 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { 1680 ethtool_link_ksettings_add_link_mode(ks, supported, 1681 Autoneg); 1682 ethtool_link_ksettings_add_link_mode(ks, advertising, 1683 Autoneg); 1684 } 1685 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || 1686 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || 1687 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || 1688 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { 1689 ethtool_link_ksettings_add_link_mode(ks, supported, 1690 Autoneg); 1691 ethtool_link_ksettings_add_link_mode(ks, advertising, 1692 Autoneg); 1693 } 1694 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || 1695 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || 1696 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || 1697 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) { 1698 ethtool_link_ksettings_add_link_mode(ks, supported, 1699 Autoneg); 1700 ethtool_link_ksettings_add_link_mode(ks, advertising, 1701 Autoneg); 1702 } 1703 } 1704 1705 #define TEST_SET_BITS_TIMEOUT 50 1706 #define TEST_SET_BITS_SLEEP_MAX 2000 1707 #define TEST_SET_BITS_SLEEP_MIN 1000 1708 1709 /** 1710 * ice_get_settings_link_up - Get Link settings for when link is up 1711 * @ks: ethtool ksettings to fill in 1712 * @netdev: network interface device structure 1713 */ 1714 static void 1715 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1716 struct net_device *netdev) 1717 { 1718 struct ice_netdev_priv *np = netdev_priv(netdev); 1719 struct ethtool_link_ksettings cap_ksettings; 1720 struct ice_link_status *link_info; 1721 struct ice_vsi *vsi = np->vsi; 1722 bool unrecog_phy_high = false; 1723 bool unrecog_phy_low = false; 1724 1725 link_info = &vsi->port_info->phy.link_info; 1726 1727 /* Initialize supported and advertised settings based on PHY settings */ 1728 switch (link_info->phy_type_low) { 1729 case ICE_PHY_TYPE_LOW_100BASE_TX: 1730 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1731 ethtool_link_ksettings_add_link_mode(ks, supported, 1732 100baseT_Full); 1733 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1734 ethtool_link_ksettings_add_link_mode(ks, advertising, 1735 100baseT_Full); 1736 break; 1737 case ICE_PHY_TYPE_LOW_100M_SGMII: 1738 ethtool_link_ksettings_add_link_mode(ks, supported, 1739 100baseT_Full); 1740 break; 1741 case ICE_PHY_TYPE_LOW_1000BASE_T: 1742 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1743 ethtool_link_ksettings_add_link_mode(ks, supported, 1744 1000baseT_Full); 1745 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1746 ethtool_link_ksettings_add_link_mode(ks, advertising, 1747 1000baseT_Full); 1748 break; 1749 case ICE_PHY_TYPE_LOW_1G_SGMII: 1750 ethtool_link_ksettings_add_link_mode(ks, supported, 1751 1000baseT_Full); 1752 break; 1753 case ICE_PHY_TYPE_LOW_1000BASE_SX: 1754 case ICE_PHY_TYPE_LOW_1000BASE_LX: 1755 ethtool_link_ksettings_add_link_mode(ks, supported, 1756 1000baseX_Full); 1757 break; 1758 case ICE_PHY_TYPE_LOW_1000BASE_KX: 1759 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1760 ethtool_link_ksettings_add_link_mode(ks, supported, 1761 1000baseKX_Full); 1762 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1763 ethtool_link_ksettings_add_link_mode(ks, advertising, 1764 1000baseKX_Full); 1765 break; 1766 case ICE_PHY_TYPE_LOW_2500BASE_T: 1767 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1768 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1769 ethtool_link_ksettings_add_link_mode(ks, supported, 1770 2500baseT_Full); 1771 ethtool_link_ksettings_add_link_mode(ks, advertising, 1772 2500baseT_Full); 1773 break; 1774 case ICE_PHY_TYPE_LOW_2500BASE_X: 1775 ethtool_link_ksettings_add_link_mode(ks, supported, 1776 2500baseX_Full); 1777 break; 1778 case ICE_PHY_TYPE_LOW_2500BASE_KX: 1779 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1780 ethtool_link_ksettings_add_link_mode(ks, supported, 1781 2500baseX_Full); 1782 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1783 ethtool_link_ksettings_add_link_mode(ks, advertising, 1784 2500baseX_Full); 1785 break; 1786 case ICE_PHY_TYPE_LOW_5GBASE_T: 1787 case ICE_PHY_TYPE_LOW_5GBASE_KR: 1788 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1789 ethtool_link_ksettings_add_link_mode(ks, supported, 1790 5000baseT_Full); 1791 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1792 ethtool_link_ksettings_add_link_mode(ks, advertising, 1793 5000baseT_Full); 1794 break; 1795 case ICE_PHY_TYPE_LOW_10GBASE_T: 1796 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1797 ethtool_link_ksettings_add_link_mode(ks, supported, 1798 10000baseT_Full); 1799 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1800 ethtool_link_ksettings_add_link_mode(ks, advertising, 1801 10000baseT_Full); 1802 break; 1803 case ICE_PHY_TYPE_LOW_10G_SFI_DA: 1804 case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC: 1805 case ICE_PHY_TYPE_LOW_10G_SFI_C2C: 1806 ethtool_link_ksettings_add_link_mode(ks, supported, 1807 10000baseT_Full); 1808 break; 1809 case ICE_PHY_TYPE_LOW_10GBASE_SR: 1810 ethtool_link_ksettings_add_link_mode(ks, supported, 1811 10000baseSR_Full); 1812 break; 1813 case ICE_PHY_TYPE_LOW_10GBASE_LR: 1814 ethtool_link_ksettings_add_link_mode(ks, supported, 1815 10000baseLR_Full); 1816 break; 1817 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1: 1818 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1819 ethtool_link_ksettings_add_link_mode(ks, supported, 1820 10000baseKR_Full); 1821 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1822 ethtool_link_ksettings_add_link_mode(ks, advertising, 1823 10000baseKR_Full); 1824 break; 1825 case ICE_PHY_TYPE_LOW_25GBASE_T: 1826 case ICE_PHY_TYPE_LOW_25GBASE_CR: 1827 case ICE_PHY_TYPE_LOW_25GBASE_CR_S: 1828 case ICE_PHY_TYPE_LOW_25GBASE_CR1: 1829 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1830 ethtool_link_ksettings_add_link_mode(ks, supported, 1831 25000baseCR_Full); 1832 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1833 ethtool_link_ksettings_add_link_mode(ks, advertising, 1834 25000baseCR_Full); 1835 break; 1836 case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC: 1837 case ICE_PHY_TYPE_LOW_25G_AUI_C2C: 1838 ethtool_link_ksettings_add_link_mode(ks, supported, 1839 25000baseCR_Full); 1840 break; 1841 case ICE_PHY_TYPE_LOW_25GBASE_SR: 1842 case ICE_PHY_TYPE_LOW_25GBASE_LR: 1843 ethtool_link_ksettings_add_link_mode(ks, supported, 1844 25000baseSR_Full); 1845 break; 1846 case ICE_PHY_TYPE_LOW_25GBASE_KR: 1847 case ICE_PHY_TYPE_LOW_25GBASE_KR1: 1848 case ICE_PHY_TYPE_LOW_25GBASE_KR_S: 1849 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1850 ethtool_link_ksettings_add_link_mode(ks, supported, 1851 25000baseKR_Full); 1852 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1853 ethtool_link_ksettings_add_link_mode(ks, advertising, 1854 25000baseKR_Full); 1855 break; 1856 case ICE_PHY_TYPE_LOW_40GBASE_CR4: 1857 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1858 ethtool_link_ksettings_add_link_mode(ks, supported, 1859 40000baseCR4_Full); 1860 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1861 ethtool_link_ksettings_add_link_mode(ks, advertising, 1862 40000baseCR4_Full); 1863 break; 1864 case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC: 1865 case ICE_PHY_TYPE_LOW_40G_XLAUI: 1866 ethtool_link_ksettings_add_link_mode(ks, supported, 1867 40000baseCR4_Full); 1868 break; 1869 case ICE_PHY_TYPE_LOW_40GBASE_SR4: 1870 ethtool_link_ksettings_add_link_mode(ks, supported, 1871 40000baseSR4_Full); 1872 break; 1873 case ICE_PHY_TYPE_LOW_40GBASE_LR4: 1874 ethtool_link_ksettings_add_link_mode(ks, supported, 1875 40000baseLR4_Full); 1876 break; 1877 case ICE_PHY_TYPE_LOW_40GBASE_KR4: 1878 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1879 ethtool_link_ksettings_add_link_mode(ks, supported, 1880 40000baseKR4_Full); 1881 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1882 ethtool_link_ksettings_add_link_mode(ks, advertising, 1883 40000baseKR4_Full); 1884 break; 1885 case ICE_PHY_TYPE_LOW_50GBASE_CR2: 1886 case ICE_PHY_TYPE_LOW_50GBASE_CP: 1887 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1888 ethtool_link_ksettings_add_link_mode(ks, supported, 1889 50000baseCR2_Full); 1890 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1891 ethtool_link_ksettings_add_link_mode(ks, advertising, 1892 50000baseCR2_Full); 1893 break; 1894 case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC: 1895 case ICE_PHY_TYPE_LOW_50G_LAUI2: 1896 case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC: 1897 case ICE_PHY_TYPE_LOW_50G_AUI2: 1898 case ICE_PHY_TYPE_LOW_50GBASE_SR: 1899 case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC: 1900 case ICE_PHY_TYPE_LOW_50G_AUI1: 1901 ethtool_link_ksettings_add_link_mode(ks, supported, 1902 50000baseCR2_Full); 1903 break; 1904 case ICE_PHY_TYPE_LOW_50GBASE_KR2: 1905 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4: 1906 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1907 ethtool_link_ksettings_add_link_mode(ks, supported, 1908 50000baseKR2_Full); 1909 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1910 ethtool_link_ksettings_add_link_mode(ks, advertising, 1911 50000baseKR2_Full); 1912 break; 1913 case ICE_PHY_TYPE_LOW_50GBASE_SR2: 1914 case ICE_PHY_TYPE_LOW_50GBASE_LR2: 1915 case ICE_PHY_TYPE_LOW_50GBASE_FR: 1916 case ICE_PHY_TYPE_LOW_50GBASE_LR: 1917 ethtool_link_ksettings_add_link_mode(ks, supported, 1918 50000baseSR2_Full); 1919 break; 1920 case ICE_PHY_TYPE_LOW_100GBASE_CR4: 1921 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1922 ethtool_link_ksettings_add_link_mode(ks, supported, 1923 100000baseCR4_Full); 1924 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1925 ethtool_link_ksettings_add_link_mode(ks, advertising, 1926 100000baseCR4_Full); 1927 break; 1928 case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC: 1929 case ICE_PHY_TYPE_LOW_100G_CAUI4: 1930 case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC: 1931 case ICE_PHY_TYPE_LOW_100G_AUI4: 1932 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4: 1933 ethtool_link_ksettings_add_link_mode(ks, supported, 1934 100000baseCR4_Full); 1935 break; 1936 case ICE_PHY_TYPE_LOW_100GBASE_CP2: 1937 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1938 ethtool_link_ksettings_add_link_mode(ks, supported, 1939 100000baseCR4_Full); 1940 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1941 ethtool_link_ksettings_add_link_mode(ks, advertising, 1942 100000baseCR4_Full); 1943 break; 1944 case ICE_PHY_TYPE_LOW_100GBASE_SR4: 1945 case ICE_PHY_TYPE_LOW_100GBASE_SR2: 1946 ethtool_link_ksettings_add_link_mode(ks, supported, 1947 100000baseSR4_Full); 1948 break; 1949 case ICE_PHY_TYPE_LOW_100GBASE_LR4: 1950 case ICE_PHY_TYPE_LOW_100GBASE_DR: 1951 ethtool_link_ksettings_add_link_mode(ks, supported, 1952 100000baseLR4_ER4_Full); 1953 break; 1954 case ICE_PHY_TYPE_LOW_100GBASE_KR4: 1955 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4: 1956 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1957 ethtool_link_ksettings_add_link_mode(ks, supported, 1958 100000baseKR4_Full); 1959 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1960 ethtool_link_ksettings_add_link_mode(ks, advertising, 1961 100000baseKR4_Full); 1962 break; 1963 default: 1964 unrecog_phy_low = true; 1965 } 1966 1967 switch (link_info->phy_type_high) { 1968 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4: 1969 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1970 ethtool_link_ksettings_add_link_mode(ks, supported, 1971 100000baseKR4_Full); 1972 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1973 ethtool_link_ksettings_add_link_mode(ks, advertising, 1974 100000baseKR4_Full); 1975 break; 1976 case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC: 1977 case ICE_PHY_TYPE_HIGH_100G_CAUI2: 1978 case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC: 1979 case ICE_PHY_TYPE_HIGH_100G_AUI2: 1980 ethtool_link_ksettings_add_link_mode(ks, supported, 1981 100000baseCR4_Full); 1982 break; 1983 default: 1984 unrecog_phy_high = true; 1985 } 1986 1987 if (unrecog_phy_low && unrecog_phy_high) { 1988 /* if we got here and link is up something bad is afoot */ 1989 netdev_info(netdev, 1990 "WARNING: Unrecognized PHY_Low (0x%llx).\n", 1991 (u64)link_info->phy_type_low); 1992 netdev_info(netdev, 1993 "WARNING: Unrecognized PHY_High (0x%llx).\n", 1994 (u64)link_info->phy_type_high); 1995 } 1996 1997 /* Now that we've worked out everything that could be supported by the 1998 * current PHY type, get what is supported by the NVM and intersect 1999 * them to get what is truly supported 2000 */ 2001 memset(&cap_ksettings, 0, sizeof(cap_ksettings)); 2002 ice_phy_type_to_ethtool(netdev, &cap_ksettings); 2003 ethtool_intersect_link_masks(ks, &cap_ksettings); 2004 2005 switch (link_info->link_speed) { 2006 case ICE_AQ_LINK_SPEED_100GB: 2007 ks->base.speed = SPEED_100000; 2008 break; 2009 case ICE_AQ_LINK_SPEED_50GB: 2010 ks->base.speed = SPEED_50000; 2011 break; 2012 case ICE_AQ_LINK_SPEED_40GB: 2013 ks->base.speed = SPEED_40000; 2014 break; 2015 case ICE_AQ_LINK_SPEED_25GB: 2016 ks->base.speed = SPEED_25000; 2017 break; 2018 case ICE_AQ_LINK_SPEED_20GB: 2019 ks->base.speed = SPEED_20000; 2020 break; 2021 case ICE_AQ_LINK_SPEED_10GB: 2022 ks->base.speed = SPEED_10000; 2023 break; 2024 case ICE_AQ_LINK_SPEED_5GB: 2025 ks->base.speed = SPEED_5000; 2026 break; 2027 case ICE_AQ_LINK_SPEED_2500MB: 2028 ks->base.speed = SPEED_2500; 2029 break; 2030 case ICE_AQ_LINK_SPEED_1000MB: 2031 ks->base.speed = SPEED_1000; 2032 break; 2033 case ICE_AQ_LINK_SPEED_100MB: 2034 ks->base.speed = SPEED_100; 2035 break; 2036 default: 2037 netdev_info(netdev, 2038 "WARNING: Unrecognized link_speed (0x%x).\n", 2039 link_info->link_speed); 2040 break; 2041 } 2042 ks->base.duplex = DUPLEX_FULL; 2043 } 2044 2045 /** 2046 * ice_get_settings_link_down - Get the Link settings when link is down 2047 * @ks: ethtool ksettings to fill in 2048 * @netdev: network interface device structure 2049 * 2050 * Reports link settings that can be determined when link is down 2051 */ 2052 static void 2053 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 2054 struct net_device *netdev) 2055 { 2056 /* link is down and the driver needs to fall back on 2057 * supported PHY types to figure out what info to display 2058 */ 2059 ice_phy_type_to_ethtool(netdev, ks); 2060 2061 /* With no link, speed and duplex are unknown */ 2062 ks->base.speed = SPEED_UNKNOWN; 2063 ks->base.duplex = DUPLEX_UNKNOWN; 2064 } 2065 2066 /** 2067 * ice_get_link_ksettings - Get Link Speed and Duplex settings 2068 * @netdev: network interface device structure 2069 * @ks: ethtool ksettings 2070 * 2071 * Reports speed/duplex settings based on media_type 2072 */ 2073 static int 2074 ice_get_link_ksettings(struct net_device *netdev, 2075 struct ethtool_link_ksettings *ks) 2076 { 2077 struct ice_netdev_priv *np = netdev_priv(netdev); 2078 struct ice_aqc_get_phy_caps_data *caps; 2079 struct ice_link_status *hw_link_info; 2080 struct ice_vsi *vsi = np->vsi; 2081 2082 ethtool_link_ksettings_zero_link_mode(ks, supported); 2083 ethtool_link_ksettings_zero_link_mode(ks, advertising); 2084 hw_link_info = &vsi->port_info->phy.link_info; 2085 2086 /* set speed and duplex */ 2087 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 2088 ice_get_settings_link_up(ks, netdev); 2089 else 2090 ice_get_settings_link_down(ks, netdev); 2091 2092 /* set autoneg settings */ 2093 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 2094 AUTONEG_ENABLE : AUTONEG_DISABLE; 2095 2096 /* set media type settings */ 2097 switch (vsi->port_info->phy.media_type) { 2098 case ICE_MEDIA_FIBER: 2099 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2100 ks->base.port = PORT_FIBRE; 2101 break; 2102 case ICE_MEDIA_BASET: 2103 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 2104 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 2105 ks->base.port = PORT_TP; 2106 break; 2107 case ICE_MEDIA_BACKPLANE: 2108 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2109 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 2110 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2111 ethtool_link_ksettings_add_link_mode(ks, advertising, 2112 Backplane); 2113 ks->base.port = PORT_NONE; 2114 break; 2115 case ICE_MEDIA_DA: 2116 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2117 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 2118 ks->base.port = PORT_DA; 2119 break; 2120 default: 2121 ks->base.port = PORT_OTHER; 2122 break; 2123 } 2124 2125 /* flow control is symmetric and always supported */ 2126 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2127 2128 switch (vsi->port_info->fc.req_mode) { 2129 case ICE_FC_FULL: 2130 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2131 break; 2132 case ICE_FC_TX_PAUSE: 2133 ethtool_link_ksettings_add_link_mode(ks, advertising, 2134 Asym_Pause); 2135 break; 2136 case ICE_FC_RX_PAUSE: 2137 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2138 ethtool_link_ksettings_add_link_mode(ks, advertising, 2139 Asym_Pause); 2140 break; 2141 case ICE_FC_PFC: 2142 default: 2143 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2144 ethtool_link_ksettings_del_link_mode(ks, advertising, 2145 Asym_Pause); 2146 break; 2147 } 2148 2149 caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL); 2150 if (!caps) 2151 goto done; 2152 2153 if (ice_aq_get_phy_caps(vsi->port_info, false, ICE_AQC_REPORT_TOPO_CAP, 2154 caps, NULL)) 2155 netdev_info(netdev, "Get phy capability failed.\n"); 2156 2157 /* Set supported FEC modes based on PHY capability */ 2158 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2159 2160 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2161 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2162 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2163 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2164 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2165 2166 if (ice_aq_get_phy_caps(vsi->port_info, false, ICE_AQC_REPORT_SW_CFG, 2167 caps, NULL)) 2168 netdev_info(netdev, "Get phy capability failed.\n"); 2169 2170 /* Set advertised FEC modes based on PHY capability */ 2171 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2172 2173 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2174 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2175 ethtool_link_ksettings_add_link_mode(ks, advertising, 2176 FEC_BASER); 2177 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2178 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2179 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2180 2181 done: 2182 devm_kfree(&vsi->back->pdev->dev, caps); 2183 return 0; 2184 } 2185 2186 /** 2187 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2188 * @ks: ethtool ksettings 2189 */ 2190 static u16 2191 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2192 { 2193 u16 adv_link_speed = 0; 2194 2195 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2196 100baseT_Full)) 2197 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2198 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2199 1000baseX_Full)) 2200 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2201 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2202 1000baseT_Full) || 2203 ethtool_link_ksettings_test_link_mode(ks, advertising, 2204 1000baseKX_Full)) 2205 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2206 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2207 2500baseT_Full)) 2208 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2209 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2210 2500baseX_Full)) 2211 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2212 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2213 5000baseT_Full)) 2214 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2215 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2216 10000baseT_Full) || 2217 ethtool_link_ksettings_test_link_mode(ks, advertising, 2218 10000baseKR_Full)) 2219 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2220 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2221 10000baseSR_Full) || 2222 ethtool_link_ksettings_test_link_mode(ks, advertising, 2223 10000baseLR_Full)) 2224 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2225 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2226 25000baseCR_Full) || 2227 ethtool_link_ksettings_test_link_mode(ks, advertising, 2228 25000baseSR_Full) || 2229 ethtool_link_ksettings_test_link_mode(ks, advertising, 2230 25000baseKR_Full)) 2231 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2232 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2233 40000baseCR4_Full) || 2234 ethtool_link_ksettings_test_link_mode(ks, advertising, 2235 40000baseSR4_Full) || 2236 ethtool_link_ksettings_test_link_mode(ks, advertising, 2237 40000baseLR4_Full) || 2238 ethtool_link_ksettings_test_link_mode(ks, advertising, 2239 40000baseKR4_Full)) 2240 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2241 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2242 50000baseCR2_Full) || 2243 ethtool_link_ksettings_test_link_mode(ks, advertising, 2244 50000baseKR2_Full)) 2245 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2246 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2247 50000baseSR2_Full)) 2248 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2249 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2250 100000baseCR4_Full) || 2251 ethtool_link_ksettings_test_link_mode(ks, advertising, 2252 100000baseSR4_Full) || 2253 ethtool_link_ksettings_test_link_mode(ks, advertising, 2254 100000baseLR4_ER4_Full) || 2255 ethtool_link_ksettings_test_link_mode(ks, advertising, 2256 100000baseKR4_Full)) 2257 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2258 2259 return adv_link_speed; 2260 } 2261 2262 /** 2263 * ice_setup_autoneg 2264 * @p: port info 2265 * @ks: ethtool_link_ksettings 2266 * @config: configuration that will be sent down to FW 2267 * @autoneg_enabled: autonegotiation is enabled or not 2268 * @autoneg_changed: will there a change in autonegotiation 2269 * @netdev: network interface device structure 2270 * 2271 * Setup PHY autonegotiation feature 2272 */ 2273 static int 2274 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2275 struct ice_aqc_set_phy_cfg_data *config, 2276 u8 autoneg_enabled, u8 *autoneg_changed, 2277 struct net_device *netdev) 2278 { 2279 int err = 0; 2280 2281 *autoneg_changed = 0; 2282 2283 /* Check autoneg */ 2284 if (autoneg_enabled == AUTONEG_ENABLE) { 2285 /* If autoneg was not already enabled */ 2286 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2287 /* If autoneg is not supported, return error */ 2288 if (!ethtool_link_ksettings_test_link_mode(ks, 2289 supported, 2290 Autoneg)) { 2291 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2292 err = -EINVAL; 2293 } else { 2294 /* Autoneg is allowed to change */ 2295 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2296 *autoneg_changed = 1; 2297 } 2298 } 2299 } else { 2300 /* If autoneg is currently enabled */ 2301 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2302 /* If autoneg is supported 10GBASE_T is the only PHY 2303 * that can disable it, so otherwise return error 2304 */ 2305 if (ethtool_link_ksettings_test_link_mode(ks, 2306 supported, 2307 Autoneg)) { 2308 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2309 err = -EINVAL; 2310 } else { 2311 /* Autoneg is allowed to change */ 2312 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2313 *autoneg_changed = 1; 2314 } 2315 } 2316 } 2317 2318 return err; 2319 } 2320 2321 /** 2322 * ice_set_link_ksettings - Set Speed and Duplex 2323 * @netdev: network interface device structure 2324 * @ks: ethtool ksettings 2325 * 2326 * Set speed/duplex per media_types advertised/forced 2327 */ 2328 static int 2329 ice_set_link_ksettings(struct net_device *netdev, 2330 const struct ethtool_link_ksettings *ks) 2331 { 2332 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT, lport = 0; 2333 struct ice_netdev_priv *np = netdev_priv(netdev); 2334 struct ethtool_link_ksettings safe_ks, copy_ks; 2335 struct ice_aqc_get_phy_caps_data *abilities; 2336 u16 adv_link_speed, curr_link_speed, idx; 2337 struct ice_aqc_set_phy_cfg_data config; 2338 struct ice_pf *pf = np->vsi->back; 2339 struct ice_port_info *p; 2340 u8 autoneg_changed = 0; 2341 enum ice_status status; 2342 u64 phy_type_high; 2343 u64 phy_type_low; 2344 int err = 0; 2345 bool linkup; 2346 2347 p = np->vsi->port_info; 2348 2349 if (!p) 2350 return -EOPNOTSUPP; 2351 2352 /* Check if this is LAN VSI */ 2353 ice_for_each_vsi(pf, idx) 2354 if (pf->vsi[idx]->type == ICE_VSI_PF) { 2355 if (np->vsi != pf->vsi[idx]) 2356 return -EOPNOTSUPP; 2357 break; 2358 } 2359 2360 if (p->phy.media_type != ICE_MEDIA_BASET && 2361 p->phy.media_type != ICE_MEDIA_FIBER && 2362 p->phy.media_type != ICE_MEDIA_BACKPLANE && 2363 p->phy.media_type != ICE_MEDIA_DA && 2364 p->phy.link_info.link_info & ICE_AQ_LINK_UP) 2365 return -EOPNOTSUPP; 2366 2367 /* copy the ksettings to copy_ks to avoid modifying the original */ 2368 memcpy(©_ks, ks, sizeof(copy_ks)); 2369 2370 /* save autoneg out of ksettings */ 2371 autoneg = copy_ks.base.autoneg; 2372 2373 memset(&safe_ks, 0, sizeof(safe_ks)); 2374 2375 /* Get link modes supported by hardware.*/ 2376 ice_phy_type_to_ethtool(netdev, &safe_ks); 2377 2378 /* and check against modes requested by user. 2379 * Return an error if unsupported mode was set. 2380 */ 2381 if (!bitmap_subset(copy_ks.link_modes.advertising, 2382 safe_ks.link_modes.supported, 2383 __ETHTOOL_LINK_MODE_MASK_NBITS)) 2384 return -EINVAL; 2385 2386 /* get our own copy of the bits to check against */ 2387 memset(&safe_ks, 0, sizeof(safe_ks)); 2388 safe_ks.base.cmd = copy_ks.base.cmd; 2389 safe_ks.base.link_mode_masks_nwords = 2390 copy_ks.base.link_mode_masks_nwords; 2391 ice_get_link_ksettings(netdev, &safe_ks); 2392 2393 /* set autoneg back to what it currently is */ 2394 copy_ks.base.autoneg = safe_ks.base.autoneg; 2395 /* we don't compare the speed */ 2396 copy_ks.base.speed = safe_ks.base.speed; 2397 2398 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2399 * trying to set something that we do not support. 2400 */ 2401 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) 2402 return -EOPNOTSUPP; 2403 2404 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2405 timeout--; 2406 if (!timeout) 2407 return -EBUSY; 2408 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2409 } 2410 2411 abilities = devm_kzalloc(&pf->pdev->dev, sizeof(*abilities), 2412 GFP_KERNEL); 2413 if (!abilities) 2414 return -ENOMEM; 2415 2416 /* Get the current PHY config */ 2417 status = ice_aq_get_phy_caps(p, false, ICE_AQC_REPORT_SW_CFG, abilities, 2418 NULL); 2419 if (status) { 2420 err = -EAGAIN; 2421 goto done; 2422 } 2423 2424 /* Copy abilities to config in case autoneg is not set below */ 2425 memset(&config, 0, sizeof(config)); 2426 config.caps = abilities->caps & ~ICE_AQC_PHY_AN_MODE; 2427 if (abilities->caps & ICE_AQC_PHY_AN_MODE) 2428 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2429 2430 /* Check autoneg */ 2431 err = ice_setup_autoneg(p, &safe_ks, &config, autoneg, &autoneg_changed, 2432 netdev); 2433 2434 if (err) 2435 goto done; 2436 2437 /* Call to get the current link speed */ 2438 p->phy.get_link_info = true; 2439 status = ice_get_link_status(p, &linkup); 2440 if (status) { 2441 err = -EAGAIN; 2442 goto done; 2443 } 2444 2445 curr_link_speed = p->phy.link_info.link_speed; 2446 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2447 2448 /* If speed didn't get set, set it to what it currently is. 2449 * This is needed because if advertise is 0 (as it is when autoneg 2450 * is disabled) then speed won't get set. 2451 */ 2452 if (!adv_link_speed) 2453 adv_link_speed = curr_link_speed; 2454 2455 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2456 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); 2457 2458 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2459 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2460 goto done; 2461 } 2462 2463 /* copy over the rest of the abilities */ 2464 config.low_power_ctrl = abilities->low_power_ctrl; 2465 config.eee_cap = abilities->eee_cap; 2466 config.eeer_value = abilities->eeer_value; 2467 config.link_fec_opt = abilities->link_fec_options; 2468 2469 /* save the requested speeds */ 2470 p->phy.link_info.req_speeds = adv_link_speed; 2471 2472 /* set link and auto negotiation so changes take effect */ 2473 config.caps |= ICE_AQ_PHY_ENA_LINK; 2474 2475 if (phy_type_low || phy_type_high) { 2476 config.phy_type_high = cpu_to_le64(phy_type_high) & 2477 abilities->phy_type_high; 2478 config.phy_type_low = cpu_to_le64(phy_type_low) & 2479 abilities->phy_type_low; 2480 } else { 2481 err = -EAGAIN; 2482 netdev_info(netdev, "Nothing changed. No PHY_TYPE is corresponded to advertised link speed.\n"); 2483 goto done; 2484 } 2485 2486 /* If link is up put link down */ 2487 if (p->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2488 /* Tell the OS link is going down, the link will go 2489 * back up when fw says it is ready asynchronously 2490 */ 2491 ice_print_link_msg(np->vsi, false); 2492 netif_carrier_off(netdev); 2493 netif_tx_stop_all_queues(netdev); 2494 } 2495 2496 /* make the aq call */ 2497 status = ice_aq_set_phy_cfg(&pf->hw, lport, &config, NULL); 2498 if (status) { 2499 netdev_info(netdev, "Set phy config failed,\n"); 2500 err = -EAGAIN; 2501 } 2502 2503 done: 2504 devm_kfree(&pf->pdev->dev, abilities); 2505 clear_bit(__ICE_CFG_BUSY, pf->state); 2506 2507 return err; 2508 } 2509 2510 /** 2511 * ice_get_rxnfc - command to get Rx flow classification rules 2512 * @netdev: network interface device structure 2513 * @cmd: ethtool rxnfc command 2514 * @rule_locs: buffer to rturn Rx flow classification rules 2515 * 2516 * Returns Success if the command is supported. 2517 */ 2518 static int 2519 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2520 u32 __always_unused *rule_locs) 2521 { 2522 struct ice_netdev_priv *np = netdev_priv(netdev); 2523 struct ice_vsi *vsi = np->vsi; 2524 int ret = -EOPNOTSUPP; 2525 2526 switch (cmd->cmd) { 2527 case ETHTOOL_GRXRINGS: 2528 cmd->data = vsi->rss_size; 2529 ret = 0; 2530 break; 2531 default: 2532 break; 2533 } 2534 2535 return ret; 2536 } 2537 2538 static void 2539 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2540 { 2541 struct ice_netdev_priv *np = netdev_priv(netdev); 2542 struct ice_vsi *vsi = np->vsi; 2543 2544 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2545 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2546 ring->rx_pending = vsi->rx_rings[0]->count; 2547 ring->tx_pending = vsi->tx_rings[0]->count; 2548 2549 /* Rx mini and jumbo rings are not supported */ 2550 ring->rx_mini_max_pending = 0; 2551 ring->rx_jumbo_max_pending = 0; 2552 ring->rx_mini_pending = 0; 2553 ring->rx_jumbo_pending = 0; 2554 } 2555 2556 static int 2557 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2558 { 2559 struct ice_ring *tx_rings = NULL, *rx_rings = NULL; 2560 struct ice_netdev_priv *np = netdev_priv(netdev); 2561 struct ice_vsi *vsi = np->vsi; 2562 struct ice_pf *pf = vsi->back; 2563 int i, timeout = 50, err = 0; 2564 u32 new_rx_cnt, new_tx_cnt; 2565 2566 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2567 ring->tx_pending < ICE_MIN_NUM_DESC || 2568 ring->rx_pending > ICE_MAX_NUM_DESC || 2569 ring->rx_pending < ICE_MIN_NUM_DESC) { 2570 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2571 ring->tx_pending, ring->rx_pending, 2572 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2573 ICE_REQ_DESC_MULTIPLE); 2574 return -EINVAL; 2575 } 2576 2577 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2578 if (new_tx_cnt != ring->tx_pending) 2579 netdev_info(netdev, 2580 "Requested Tx descriptor count rounded up to %d\n", 2581 new_tx_cnt); 2582 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2583 if (new_rx_cnt != ring->rx_pending) 2584 netdev_info(netdev, 2585 "Requested Rx descriptor count rounded up to %d\n", 2586 new_rx_cnt); 2587 2588 /* if nothing to do return success */ 2589 if (new_tx_cnt == vsi->tx_rings[0]->count && 2590 new_rx_cnt == vsi->rx_rings[0]->count) { 2591 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2592 return 0; 2593 } 2594 2595 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2596 timeout--; 2597 if (!timeout) 2598 return -EBUSY; 2599 usleep_range(1000, 2000); 2600 } 2601 2602 /* set for the next time the netdev is started */ 2603 if (!netif_running(vsi->netdev)) { 2604 for (i = 0; i < vsi->alloc_txq; i++) 2605 vsi->tx_rings[i]->count = new_tx_cnt; 2606 for (i = 0; i < vsi->alloc_rxq; i++) 2607 vsi->rx_rings[i]->count = new_rx_cnt; 2608 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2609 goto done; 2610 } 2611 2612 if (new_tx_cnt == vsi->tx_rings[0]->count) 2613 goto process_rx; 2614 2615 /* alloc updated Tx resources */ 2616 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2617 vsi->tx_rings[0]->count, new_tx_cnt); 2618 2619 tx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_txq, 2620 sizeof(*tx_rings), GFP_KERNEL); 2621 if (!tx_rings) { 2622 err = -ENOMEM; 2623 goto done; 2624 } 2625 2626 for (i = 0; i < vsi->alloc_txq; i++) { 2627 /* clone ring and setup updated count */ 2628 tx_rings[i] = *vsi->tx_rings[i]; 2629 tx_rings[i].count = new_tx_cnt; 2630 tx_rings[i].desc = NULL; 2631 tx_rings[i].tx_buf = NULL; 2632 err = ice_setup_tx_ring(&tx_rings[i]); 2633 if (err) { 2634 while (i) { 2635 i--; 2636 ice_clean_tx_ring(&tx_rings[i]); 2637 } 2638 devm_kfree(&pf->pdev->dev, tx_rings); 2639 goto done; 2640 } 2641 } 2642 2643 process_rx: 2644 if (new_rx_cnt == vsi->rx_rings[0]->count) 2645 goto process_link; 2646 2647 /* alloc updated Rx resources */ 2648 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2649 vsi->rx_rings[0]->count, new_rx_cnt); 2650 2651 rx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_rxq, 2652 sizeof(*rx_rings), GFP_KERNEL); 2653 if (!rx_rings) { 2654 err = -ENOMEM; 2655 goto done; 2656 } 2657 2658 for (i = 0; i < vsi->alloc_rxq; i++) { 2659 /* clone ring and setup updated count */ 2660 rx_rings[i] = *vsi->rx_rings[i]; 2661 rx_rings[i].count = new_rx_cnt; 2662 rx_rings[i].desc = NULL; 2663 rx_rings[i].rx_buf = NULL; 2664 /* this is to allow wr32 to have something to write to 2665 * during early allocation of Rx buffers 2666 */ 2667 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2668 2669 err = ice_setup_rx_ring(&rx_rings[i]); 2670 if (err) 2671 goto rx_unwind; 2672 2673 /* allocate Rx buffers */ 2674 err = ice_alloc_rx_bufs(&rx_rings[i], 2675 ICE_DESC_UNUSED(&rx_rings[i])); 2676 rx_unwind: 2677 if (err) { 2678 while (i) { 2679 i--; 2680 ice_free_rx_ring(&rx_rings[i]); 2681 } 2682 devm_kfree(&pf->pdev->dev, rx_rings); 2683 err = -ENOMEM; 2684 goto free_tx; 2685 } 2686 } 2687 2688 process_link: 2689 /* Bring interface down, copy in the new ring info, then restore the 2690 * interface. if VSI is up, bring it down and then back up 2691 */ 2692 if (!test_and_set_bit(__ICE_DOWN, vsi->state)) { 2693 ice_down(vsi); 2694 2695 if (tx_rings) { 2696 for (i = 0; i < vsi->alloc_txq; i++) { 2697 ice_free_tx_ring(vsi->tx_rings[i]); 2698 *vsi->tx_rings[i] = tx_rings[i]; 2699 } 2700 devm_kfree(&pf->pdev->dev, tx_rings); 2701 } 2702 2703 if (rx_rings) { 2704 for (i = 0; i < vsi->alloc_rxq; i++) { 2705 ice_free_rx_ring(vsi->rx_rings[i]); 2706 /* copy the real tail offset */ 2707 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2708 /* this is to fake out the allocation routine 2709 * into thinking it has to realloc everything 2710 * but the recycling logic will let us re-use 2711 * the buffers allocated above 2712 */ 2713 rx_rings[i].next_to_use = 0; 2714 rx_rings[i].next_to_clean = 0; 2715 rx_rings[i].next_to_alloc = 0; 2716 *vsi->rx_rings[i] = rx_rings[i]; 2717 } 2718 devm_kfree(&pf->pdev->dev, rx_rings); 2719 } 2720 2721 ice_up(vsi); 2722 } 2723 goto done; 2724 2725 free_tx: 2726 /* error cleanup if the Rx allocations failed after getting Tx */ 2727 if (tx_rings) { 2728 for (i = 0; i < vsi->alloc_txq; i++) 2729 ice_free_tx_ring(&tx_rings[i]); 2730 devm_kfree(&pf->pdev->dev, tx_rings); 2731 } 2732 2733 done: 2734 clear_bit(__ICE_CFG_BUSY, pf->state); 2735 return err; 2736 } 2737 2738 static int ice_nway_reset(struct net_device *netdev) 2739 { 2740 /* restart autonegotiation */ 2741 struct ice_netdev_priv *np = netdev_priv(netdev); 2742 struct ice_vsi *vsi = np->vsi; 2743 struct ice_port_info *pi; 2744 enum ice_status status; 2745 2746 pi = vsi->port_info; 2747 /* If VSI state is up, then restart autoneg with link up */ 2748 if (!test_bit(__ICE_DOWN, vsi->back->state)) 2749 status = ice_aq_set_link_restart_an(pi, true, NULL); 2750 else 2751 status = ice_aq_set_link_restart_an(pi, false, NULL); 2752 2753 if (status) { 2754 netdev_info(netdev, "link restart failed, err %d aq_err %d\n", 2755 status, pi->hw->adminq.sq_last_status); 2756 return -EIO; 2757 } 2758 2759 return 0; 2760 } 2761 2762 /** 2763 * ice_get_pauseparam - Get Flow Control status 2764 * @netdev: network interface device structure 2765 * @pause: ethernet pause (flow control) parameters 2766 */ 2767 static void 2768 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2769 { 2770 struct ice_netdev_priv *np = netdev_priv(netdev); 2771 struct ice_port_info *pi = np->vsi->port_info; 2772 struct ice_aqc_get_phy_caps_data *pcaps; 2773 struct ice_vsi *vsi = np->vsi; 2774 struct ice_dcbx_cfg *dcbx_cfg; 2775 enum ice_status status; 2776 2777 /* Initialize pause params */ 2778 pause->rx_pause = 0; 2779 pause->tx_pause = 0; 2780 2781 dcbx_cfg = &pi->local_dcbx_cfg; 2782 2783 pcaps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*pcaps), 2784 GFP_KERNEL); 2785 if (!pcaps) 2786 return; 2787 2788 /* Get current PHY config */ 2789 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 2790 NULL); 2791 if (status) 2792 goto out; 2793 2794 pause->autoneg = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ? 2795 AUTONEG_ENABLE : AUTONEG_DISABLE); 2796 2797 if (dcbx_cfg->pfc.pfcena) 2798 /* PFC enabled so report LFC as off */ 2799 goto out; 2800 2801 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 2802 pause->tx_pause = 1; 2803 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 2804 pause->rx_pause = 1; 2805 2806 out: 2807 devm_kfree(&vsi->back->pdev->dev, pcaps); 2808 } 2809 2810 /** 2811 * ice_set_pauseparam - Set Flow Control parameter 2812 * @netdev: network interface device structure 2813 * @pause: return Tx/Rx flow control status 2814 */ 2815 static int 2816 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2817 { 2818 struct ice_netdev_priv *np = netdev_priv(netdev); 2819 struct ice_link_status *hw_link_info; 2820 struct ice_pf *pf = np->vsi->back; 2821 struct ice_dcbx_cfg *dcbx_cfg; 2822 struct ice_vsi *vsi = np->vsi; 2823 struct ice_hw *hw = &pf->hw; 2824 struct ice_port_info *pi; 2825 enum ice_status status; 2826 u8 aq_failures; 2827 bool link_up; 2828 int err = 0; 2829 2830 pi = vsi->port_info; 2831 hw_link_info = &pi->phy.link_info; 2832 dcbx_cfg = &pi->local_dcbx_cfg; 2833 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 2834 2835 /* Changing the port's flow control is not supported if this isn't the 2836 * PF VSI 2837 */ 2838 if (vsi->type != ICE_VSI_PF) { 2839 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 2840 return -EOPNOTSUPP; 2841 } 2842 2843 if (pause->autoneg != (hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 2844 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 2845 return -EOPNOTSUPP; 2846 } 2847 2848 /* If we have link and don't have autoneg */ 2849 if (!test_bit(__ICE_DOWN, pf->state) && 2850 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 2851 /* Send message that it might not necessarily work*/ 2852 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 2853 } 2854 2855 if (dcbx_cfg->pfc.pfcena) { 2856 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 2857 return -EOPNOTSUPP; 2858 } 2859 if (pause->rx_pause && pause->tx_pause) 2860 pi->fc.req_mode = ICE_FC_FULL; 2861 else if (pause->rx_pause && !pause->tx_pause) 2862 pi->fc.req_mode = ICE_FC_RX_PAUSE; 2863 else if (!pause->rx_pause && pause->tx_pause) 2864 pi->fc.req_mode = ICE_FC_TX_PAUSE; 2865 else if (!pause->rx_pause && !pause->tx_pause) 2866 pi->fc.req_mode = ICE_FC_NONE; 2867 else 2868 return -EINVAL; 2869 2870 /* Tell the OS link is going down, the link will go back up when fw 2871 * says it is ready asynchronously 2872 */ 2873 ice_print_link_msg(vsi, false); 2874 netif_carrier_off(netdev); 2875 netif_tx_stop_all_queues(netdev); 2876 2877 /* Set the FC mode and only restart AN if link is up */ 2878 status = ice_set_fc(pi, &aq_failures, link_up); 2879 2880 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 2881 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %d\n", 2882 status, hw->adminq.sq_last_status); 2883 err = -EAGAIN; 2884 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 2885 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %d\n", 2886 status, hw->adminq.sq_last_status); 2887 err = -EAGAIN; 2888 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 2889 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %d\n", 2890 status, hw->adminq.sq_last_status); 2891 err = -EAGAIN; 2892 } 2893 2894 if (!test_bit(__ICE_DOWN, pf->state)) { 2895 /* Give it a little more time to try to come back. If still 2896 * down, restart autoneg link or reinitialize the interface. 2897 */ 2898 msleep(75); 2899 if (!test_bit(__ICE_DOWN, pf->state)) 2900 return ice_nway_reset(netdev); 2901 2902 ice_down(vsi); 2903 ice_up(vsi); 2904 } 2905 2906 return err; 2907 } 2908 2909 /** 2910 * ice_get_rxfh_key_size - get the RSS hash key size 2911 * @netdev: network interface device structure 2912 * 2913 * Returns the table size. 2914 */ 2915 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 2916 { 2917 return ICE_VSIQF_HKEY_ARRAY_SIZE; 2918 } 2919 2920 /** 2921 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 2922 * @netdev: network interface device structure 2923 * 2924 * Returns the table size. 2925 */ 2926 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 2927 { 2928 struct ice_netdev_priv *np = netdev_priv(netdev); 2929 2930 return np->vsi->rss_table_size; 2931 } 2932 2933 /** 2934 * ice_get_rxfh - get the Rx flow hash indirection table 2935 * @netdev: network interface device structure 2936 * @indir: indirection table 2937 * @key: hash key 2938 * @hfunc: hash function 2939 * 2940 * Reads the indirection table directly from the hardware. 2941 */ 2942 static int 2943 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 2944 { 2945 struct ice_netdev_priv *np = netdev_priv(netdev); 2946 struct ice_vsi *vsi = np->vsi; 2947 struct ice_pf *pf = vsi->back; 2948 int ret = 0, i; 2949 u8 *lut; 2950 2951 if (hfunc) 2952 *hfunc = ETH_RSS_HASH_TOP; 2953 2954 if (!indir) 2955 return 0; 2956 2957 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 2958 /* RSS not supported return error here */ 2959 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 2960 return -EIO; 2961 } 2962 2963 lut = devm_kzalloc(&pf->pdev->dev, vsi->rss_table_size, GFP_KERNEL); 2964 if (!lut) 2965 return -ENOMEM; 2966 2967 if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) { 2968 ret = -EIO; 2969 goto out; 2970 } 2971 2972 for (i = 0; i < vsi->rss_table_size; i++) 2973 indir[i] = (u32)(lut[i]); 2974 2975 out: 2976 devm_kfree(&pf->pdev->dev, lut); 2977 return ret; 2978 } 2979 2980 /** 2981 * ice_set_rxfh - set the Rx flow hash indirection table 2982 * @netdev: network interface device structure 2983 * @indir: indirection table 2984 * @key: hash key 2985 * @hfunc: hash function 2986 * 2987 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 2988 * returns 0 after programming the table. 2989 */ 2990 static int 2991 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 2992 const u8 hfunc) 2993 { 2994 struct ice_netdev_priv *np = netdev_priv(netdev); 2995 struct ice_vsi *vsi = np->vsi; 2996 struct ice_pf *pf = vsi->back; 2997 u8 *seed = NULL; 2998 2999 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3000 return -EOPNOTSUPP; 3001 3002 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3003 /* RSS not supported return error here */ 3004 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3005 return -EIO; 3006 } 3007 3008 if (key) { 3009 if (!vsi->rss_hkey_user) { 3010 vsi->rss_hkey_user = 3011 devm_kzalloc(&pf->pdev->dev, 3012 ICE_VSIQF_HKEY_ARRAY_SIZE, 3013 GFP_KERNEL); 3014 if (!vsi->rss_hkey_user) 3015 return -ENOMEM; 3016 } 3017 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3018 seed = vsi->rss_hkey_user; 3019 } 3020 3021 if (!vsi->rss_lut_user) { 3022 vsi->rss_lut_user = devm_kzalloc(&pf->pdev->dev, 3023 vsi->rss_table_size, 3024 GFP_KERNEL); 3025 if (!vsi->rss_lut_user) 3026 return -ENOMEM; 3027 } 3028 3029 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3030 if (indir) { 3031 int i; 3032 3033 for (i = 0; i < vsi->rss_table_size; i++) 3034 vsi->rss_lut_user[i] = (u8)(indir[i]); 3035 } else { 3036 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3037 vsi->rss_size); 3038 } 3039 3040 if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size)) 3041 return -EIO; 3042 3043 return 0; 3044 } 3045 3046 enum ice_container_type { 3047 ICE_RX_CONTAINER, 3048 ICE_TX_CONTAINER, 3049 }; 3050 3051 /** 3052 * ice_get_rc_coalesce - get ITR values for specific ring container 3053 * @ec: ethtool structure to fill with driver's coalesce settings 3054 * @c_type: container type, Rx or Tx 3055 * @rc: ring container that the ITR values will come from 3056 * 3057 * Query the device for ice_ring_container specific ITR values. This is 3058 * done per ice_ring_container because each q_vector can have 1 or more rings 3059 * and all of said ring(s) will have the same ITR values. 3060 * 3061 * Returns 0 on success, negative otherwise. 3062 */ 3063 static int 3064 ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type, 3065 struct ice_ring_container *rc) 3066 { 3067 struct ice_pf *pf; 3068 3069 if (!rc->ring) 3070 return -EINVAL; 3071 3072 pf = rc->ring->vsi->back; 3073 3074 switch (c_type) { 3075 case ICE_RX_CONTAINER: 3076 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3077 ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3078 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl; 3079 break; 3080 case ICE_TX_CONTAINER: 3081 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3082 ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3083 break; 3084 default: 3085 dev_dbg(&pf->pdev->dev, "Invalid c_type %d\n", c_type); 3086 return -EINVAL; 3087 } 3088 3089 return 0; 3090 } 3091 3092 /** 3093 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3094 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3095 * @ec: coalesce settings to program the device with 3096 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3097 * 3098 * Return 0 on success, and negative under the following conditions: 3099 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3100 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3101 */ 3102 static int 3103 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3104 { 3105 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3106 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3107 &vsi->rx_rings[q_num]->q_vector->rx)) 3108 return -EINVAL; 3109 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3110 &vsi->tx_rings[q_num]->q_vector->tx)) 3111 return -EINVAL; 3112 } else if (q_num < vsi->num_rxq) { 3113 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3114 &vsi->rx_rings[q_num]->q_vector->rx)) 3115 return -EINVAL; 3116 } else if (q_num < vsi->num_txq) { 3117 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3118 &vsi->tx_rings[q_num]->q_vector->tx)) 3119 return -EINVAL; 3120 } else { 3121 return -EINVAL; 3122 } 3123 3124 return 0; 3125 } 3126 3127 /** 3128 * __ice_get_coalesce - get ITR/INTRL values for the device 3129 * @netdev: pointer to the netdev associated with this query 3130 * @ec: ethtool structure to fill with driver's coalesce settings 3131 * @q_num: queue number to get the coalesce settings for 3132 * 3133 * If the caller passes in a negative q_num then we return coalesce settings 3134 * based on queue number 0, else use the actual q_num passed in. 3135 */ 3136 static int 3137 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3138 int q_num) 3139 { 3140 struct ice_netdev_priv *np = netdev_priv(netdev); 3141 struct ice_vsi *vsi = np->vsi; 3142 3143 if (q_num < 0) 3144 q_num = 0; 3145 3146 if (ice_get_q_coalesce(vsi, ec, q_num)) 3147 return -EINVAL; 3148 3149 if (q_num < vsi->num_txq) 3150 ec->tx_max_coalesced_frames_irq = vsi->work_lmt; 3151 3152 if (q_num < vsi->num_rxq) 3153 ec->rx_max_coalesced_frames_irq = vsi->work_lmt; 3154 3155 return 0; 3156 } 3157 3158 static int 3159 ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3160 { 3161 return __ice_get_coalesce(netdev, ec, -1); 3162 } 3163 3164 static int 3165 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3166 struct ethtool_coalesce *ec) 3167 { 3168 return __ice_get_coalesce(netdev, ec, q_num); 3169 } 3170 3171 /** 3172 * ice_set_rc_coalesce - set ITR values for specific ring container 3173 * @c_type: container type, Rx or Tx 3174 * @ec: ethtool structure from user to update ITR settings 3175 * @rc: ring container that the ITR values will come from 3176 * @vsi: VSI associated to the ring container 3177 * 3178 * Set specific ITR values. This is done per ice_ring_container because each 3179 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3180 * ITR values. 3181 * 3182 * Returns 0 on success, negative otherwise. 3183 */ 3184 static int 3185 ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, 3186 struct ice_ring_container *rc, struct ice_vsi *vsi) 3187 { 3188 struct ice_pf *pf = vsi->back; 3189 u16 itr_setting; 3190 3191 if (!rc->ring) 3192 return -EINVAL; 3193 3194 itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3195 3196 switch (c_type) { 3197 case ICE_RX_CONTAINER: 3198 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3199 (ec->rx_coalesce_usecs_high && 3200 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3201 netdev_info(vsi->netdev, 3202 "Invalid value, rx-usecs-high valid values are 0 (disabled), %d-%d\n", 3203 pf->hw.intrl_gran, ICE_MAX_INTRL); 3204 return -EINVAL; 3205 } 3206 3207 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) { 3208 rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high; 3209 wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx), 3210 ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high, 3211 pf->hw.intrl_gran)); 3212 } 3213 3214 if (ec->rx_coalesce_usecs != itr_setting && 3215 ec->use_adaptive_rx_coalesce) { 3216 netdev_info(vsi->netdev, 3217 "Rx interrupt throttling cannot be changed if adaptive-rx is enabled\n"); 3218 return -EINVAL; 3219 } 3220 3221 if (ec->rx_coalesce_usecs > ICE_ITR_MAX) { 3222 netdev_info(vsi->netdev, 3223 "Invalid value, rx-usecs range is 0-%d\n", 3224 ICE_ITR_MAX); 3225 return -EINVAL; 3226 } 3227 3228 if (ec->use_adaptive_rx_coalesce) { 3229 rc->itr_setting |= ICE_ITR_DYNAMIC; 3230 } else { 3231 rc->itr_setting = ITR_REG_ALIGN(ec->rx_coalesce_usecs); 3232 rc->target_itr = ITR_TO_REG(rc->itr_setting); 3233 } 3234 break; 3235 case ICE_TX_CONTAINER: 3236 if (ec->tx_coalesce_usecs_high) { 3237 netdev_info(vsi->netdev, 3238 "setting tx-usecs-high is not supported\n"); 3239 return -EINVAL; 3240 } 3241 3242 if (ec->tx_coalesce_usecs != itr_setting && 3243 ec->use_adaptive_tx_coalesce) { 3244 netdev_info(vsi->netdev, 3245 "Tx interrupt throttling cannot be changed if adaptive-tx is enabled\n"); 3246 return -EINVAL; 3247 } 3248 3249 if (ec->tx_coalesce_usecs > ICE_ITR_MAX) { 3250 netdev_info(vsi->netdev, 3251 "Invalid value, tx-usecs range is 0-%d\n", 3252 ICE_ITR_MAX); 3253 return -EINVAL; 3254 } 3255 3256 if (ec->use_adaptive_tx_coalesce) { 3257 rc->itr_setting |= ICE_ITR_DYNAMIC; 3258 } else { 3259 rc->itr_setting = ITR_REG_ALIGN(ec->tx_coalesce_usecs); 3260 rc->target_itr = ITR_TO_REG(rc->itr_setting); 3261 } 3262 break; 3263 default: 3264 dev_dbg(&pf->pdev->dev, "Invalid container type %d\n", c_type); 3265 return -EINVAL; 3266 } 3267 3268 return 0; 3269 } 3270 3271 /** 3272 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3273 * @vsi: VSI associated to the queue that need updating 3274 * @ec: coalesce settings to program the device with 3275 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3276 * 3277 * Return 0 on success, and negative under the following conditions: 3278 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3279 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3280 */ 3281 static int 3282 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3283 { 3284 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3285 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3286 &vsi->rx_rings[q_num]->q_vector->rx, 3287 vsi)) 3288 return -EINVAL; 3289 3290 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3291 &vsi->tx_rings[q_num]->q_vector->tx, 3292 vsi)) 3293 return -EINVAL; 3294 } else if (q_num < vsi->num_rxq) { 3295 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3296 &vsi->rx_rings[q_num]->q_vector->rx, 3297 vsi)) 3298 return -EINVAL; 3299 } else if (q_num < vsi->num_txq) { 3300 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3301 &vsi->tx_rings[q_num]->q_vector->tx, 3302 vsi)) 3303 return -EINVAL; 3304 } else { 3305 return -EINVAL; 3306 } 3307 3308 return 0; 3309 } 3310 3311 /** 3312 * __ice_set_coalesce - set ITR/INTRL values for the device 3313 * @netdev: pointer to the netdev associated with this query 3314 * @ec: ethtool structure to fill with driver's coalesce settings 3315 * @q_num: queue number to get the coalesce settings for 3316 * 3317 * If the caller passes in a negative q_num then we set the coalesce settings 3318 * for all Tx/Rx queues, else use the actual q_num passed in. 3319 */ 3320 static int 3321 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3322 int q_num) 3323 { 3324 struct ice_netdev_priv *np = netdev_priv(netdev); 3325 struct ice_vsi *vsi = np->vsi; 3326 3327 if (q_num < 0) { 3328 int i; 3329 3330 ice_for_each_q_vector(vsi, i) { 3331 if (ice_set_q_coalesce(vsi, ec, i)) 3332 return -EINVAL; 3333 } 3334 goto set_work_lmt; 3335 } 3336 3337 if (ice_set_q_coalesce(vsi, ec, q_num)) 3338 return -EINVAL; 3339 3340 set_work_lmt: 3341 3342 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) 3343 vsi->work_lmt = max(ec->tx_max_coalesced_frames_irq, 3344 ec->rx_max_coalesced_frames_irq); 3345 3346 return 0; 3347 } 3348 3349 static int 3350 ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3351 { 3352 return __ice_set_coalesce(netdev, ec, -1); 3353 } 3354 3355 static int 3356 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3357 struct ethtool_coalesce *ec) 3358 { 3359 return __ice_set_coalesce(netdev, ec, q_num); 3360 } 3361 3362 static const struct ethtool_ops ice_ethtool_ops = { 3363 .get_link_ksettings = ice_get_link_ksettings, 3364 .set_link_ksettings = ice_set_link_ksettings, 3365 .get_drvinfo = ice_get_drvinfo, 3366 .get_regs_len = ice_get_regs_len, 3367 .get_regs = ice_get_regs, 3368 .get_msglevel = ice_get_msglevel, 3369 .set_msglevel = ice_set_msglevel, 3370 .self_test = ice_self_test, 3371 .get_link = ethtool_op_get_link, 3372 .get_eeprom_len = ice_get_eeprom_len, 3373 .get_eeprom = ice_get_eeprom, 3374 .get_coalesce = ice_get_coalesce, 3375 .set_coalesce = ice_set_coalesce, 3376 .get_strings = ice_get_strings, 3377 .set_phys_id = ice_set_phys_id, 3378 .get_ethtool_stats = ice_get_ethtool_stats, 3379 .get_priv_flags = ice_get_priv_flags, 3380 .set_priv_flags = ice_set_priv_flags, 3381 .get_sset_count = ice_get_sset_count, 3382 .get_rxnfc = ice_get_rxnfc, 3383 .get_ringparam = ice_get_ringparam, 3384 .set_ringparam = ice_set_ringparam, 3385 .nway_reset = ice_nway_reset, 3386 .get_pauseparam = ice_get_pauseparam, 3387 .set_pauseparam = ice_set_pauseparam, 3388 .get_rxfh_key_size = ice_get_rxfh_key_size, 3389 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 3390 .get_rxfh = ice_get_rxfh, 3391 .set_rxfh = ice_set_rxfh, 3392 .get_ts_info = ethtool_op_get_ts_info, 3393 .get_per_queue_coalesce = ice_get_per_q_coalesce, 3394 .set_per_queue_coalesce = ice_set_per_q_coalesce, 3395 .get_fecparam = ice_get_fecparam, 3396 .set_fecparam = ice_set_fecparam, 3397 }; 3398 3399 /** 3400 * ice_set_ethtool_ops - setup netdev ethtool ops 3401 * @netdev: network interface device structure 3402 * 3403 * setup netdev ethtool ops with ice specific ops 3404 */ 3405 void ice_set_ethtool_ops(struct net_device *netdev) 3406 { 3407 netdev->ethtool_ops = &ice_ethtool_ops; 3408 } 3409