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