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