1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 /* ethtool support for ice */ 5 6 #include "ice.h" 7 #include "ice_lib.h" 8 #include "ice_dcb_lib.h" 9 10 struct ice_stats { 11 char stat_string[ETH_GSTRING_LEN]; 12 int sizeof_stat; 13 int stat_offset; 14 }; 15 16 #define ICE_STAT(_type, _name, _stat) { \ 17 .stat_string = _name, \ 18 .sizeof_stat = FIELD_SIZEOF(_type, _stat), \ 19 .stat_offset = offsetof(_type, _stat) \ 20 } 21 22 #define ICE_VSI_STAT(_name, _stat) \ 23 ICE_STAT(struct ice_vsi, _name, _stat) 24 #define ICE_PF_STAT(_name, _stat) \ 25 ICE_STAT(struct ice_pf, _name, _stat) 26 27 static int ice_q_stats_len(struct net_device *netdev) 28 { 29 struct ice_netdev_priv *np = netdev_priv(netdev); 30 31 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 32 (sizeof(struct ice_q_stats) / sizeof(u64))); 33 } 34 35 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 36 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 37 38 #define ICE_PFC_STATS_LEN ( \ 39 (FIELD_SIZEOF(struct ice_pf, stats.priority_xoff_rx) + \ 40 FIELD_SIZEOF(struct ice_pf, stats.priority_xon_rx) + \ 41 FIELD_SIZEOF(struct ice_pf, stats.priority_xoff_tx) + \ 42 FIELD_SIZEOF(struct ice_pf, stats.priority_xon_tx)) \ 43 / sizeof(u64)) 44 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 45 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 46 47 static const struct ice_stats ice_gstrings_vsi_stats[] = { 48 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 49 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 50 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 51 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 52 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 53 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 54 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 55 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 56 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 57 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 58 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 59 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 60 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 61 ICE_VSI_STAT("tx_linearize", tx_linearize), 62 }; 63 64 enum ice_ethtool_test_id { 65 ICE_ETH_TEST_REG = 0, 66 ICE_ETH_TEST_EEPROM, 67 ICE_ETH_TEST_INTR, 68 ICE_ETH_TEST_LOOP, 69 ICE_ETH_TEST_LINK, 70 }; 71 72 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 73 "Register test (offline)", 74 "EEPROM test (offline)", 75 "Interrupt test (offline)", 76 "Loopback test (offline)", 77 "Link test (on/offline)", 78 }; 79 80 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 81 82 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 83 * but they aren't. This device is capable of supporting multiple 84 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 85 * netdevs whereas the PF_STATs are for the physical function that's 86 * hosting these netdevs. 87 * 88 * The PF_STATs are appended to the netdev stats only when ethtool -S 89 * is queried on the base PF netdev. 90 */ 91 static const struct ice_stats ice_gstrings_pf_stats[] = { 92 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 93 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 94 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 95 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 96 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 97 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 98 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 99 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 100 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 101 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 102 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 103 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 104 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 105 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 106 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 107 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 108 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 109 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 110 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 111 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 112 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 113 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 114 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 115 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 116 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 117 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 118 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 119 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 120 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 121 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 122 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 123 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 124 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 125 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors), 126 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 127 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 128 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 129 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 130 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 131 }; 132 133 static const u32 ice_regs_dump_list[] = { 134 PFGEN_STATE, 135 PRTGEN_STATUS, 136 QRX_CTRL(0), 137 QINT_TQCTL(0), 138 QINT_RQCTL(0), 139 PFINT_OICR_ENA, 140 QRX_ITR(0), 141 PF0INT_ITR_0(0), 142 PF0INT_ITR_1(0), 143 PF0INT_ITR_2(0), 144 }; 145 146 struct ice_priv_flag { 147 char name[ETH_GSTRING_LEN]; 148 u32 bitno; /* bit position in pf->flags */ 149 }; 150 151 #define ICE_PRIV_FLAG(_name, _bitno) { \ 152 .name = _name, \ 153 .bitno = _bitno, \ 154 } 155 156 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 157 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 158 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 159 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), 160 }; 161 162 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 163 164 static void 165 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 166 { 167 struct ice_netdev_priv *np = netdev_priv(netdev); 168 struct ice_vsi *vsi = np->vsi; 169 struct ice_pf *pf = vsi->back; 170 171 strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 172 strlcpy(drvinfo->version, ice_drv_ver, sizeof(drvinfo->version)); 173 strlcpy(drvinfo->fw_version, ice_nvm_version_str(&pf->hw), 174 sizeof(drvinfo->fw_version)); 175 strlcpy(drvinfo->bus_info, pci_name(pf->pdev), 176 sizeof(drvinfo->bus_info)); 177 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 178 } 179 180 static int ice_get_regs_len(struct net_device __always_unused *netdev) 181 { 182 return sizeof(ice_regs_dump_list); 183 } 184 185 static void 186 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 187 { 188 struct ice_netdev_priv *np = netdev_priv(netdev); 189 struct ice_pf *pf = np->vsi->back; 190 struct ice_hw *hw = &pf->hw; 191 u32 *regs_buf = (u32 *)p; 192 int i; 193 194 regs->version = 1; 195 196 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 197 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 198 } 199 200 static u32 ice_get_msglevel(struct net_device *netdev) 201 { 202 struct ice_netdev_priv *np = netdev_priv(netdev); 203 struct ice_pf *pf = np->vsi->back; 204 205 #ifndef CONFIG_DYNAMIC_DEBUG 206 if (pf->hw.debug_mask) 207 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 208 pf->hw.debug_mask); 209 #endif /* !CONFIG_DYNAMIC_DEBUG */ 210 211 return pf->msg_enable; 212 } 213 214 static void ice_set_msglevel(struct net_device *netdev, u32 data) 215 { 216 struct ice_netdev_priv *np = netdev_priv(netdev); 217 struct ice_pf *pf = np->vsi->back; 218 219 #ifndef CONFIG_DYNAMIC_DEBUG 220 if (ICE_DBG_USER & data) 221 pf->hw.debug_mask = data; 222 else 223 pf->msg_enable = data; 224 #else 225 pf->msg_enable = data; 226 #endif /* !CONFIG_DYNAMIC_DEBUG */ 227 } 228 229 static int ice_get_eeprom_len(struct net_device *netdev) 230 { 231 struct ice_netdev_priv *np = netdev_priv(netdev); 232 struct ice_pf *pf = np->vsi->back; 233 234 return (int)(pf->hw.nvm.sr_words * sizeof(u16)); 235 } 236 237 static int 238 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 239 u8 *bytes) 240 { 241 struct ice_netdev_priv *np = netdev_priv(netdev); 242 u16 first_word, last_word, nwords; 243 struct ice_vsi *vsi = np->vsi; 244 struct ice_pf *pf = vsi->back; 245 struct ice_hw *hw = &pf->hw; 246 enum ice_status status; 247 struct device *dev; 248 int ret = 0; 249 u16 *buf; 250 251 dev = &pf->pdev->dev; 252 253 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 254 255 first_word = eeprom->offset >> 1; 256 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 257 nwords = last_word - first_word + 1; 258 259 buf = devm_kcalloc(dev, nwords, sizeof(u16), GFP_KERNEL); 260 if (!buf) 261 return -ENOMEM; 262 263 status = ice_read_sr_buf(hw, first_word, &nwords, buf); 264 if (status) { 265 dev_err(dev, "ice_read_sr_buf failed, err %d aq_err %d\n", 266 status, hw->adminq.sq_last_status); 267 eeprom->len = sizeof(u16) * nwords; 268 ret = -EIO; 269 goto out; 270 } 271 272 memcpy(bytes, (u8 *)buf + (eeprom->offset & 1), eeprom->len); 273 out: 274 devm_kfree(dev, buf); 275 return ret; 276 } 277 278 /** 279 * ice_active_vfs - check if there are any active VFs 280 * @pf: board private structure 281 * 282 * Returns true if an active VF is found, otherwise returns false 283 */ 284 static bool ice_active_vfs(struct ice_pf *pf) 285 { 286 struct ice_vf *vf = pf->vf; 287 int i; 288 289 for (i = 0; i < pf->num_alloc_vfs; i++, vf++) 290 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) 291 return true; 292 return false; 293 } 294 295 /** 296 * ice_link_test - perform a link test on a given net_device 297 * @netdev: network interface device structure 298 * 299 * This function performs one of the self-tests required by ethtool. 300 * Returns 0 on success, non-zero on failure. 301 */ 302 static u64 ice_link_test(struct net_device *netdev) 303 { 304 struct ice_netdev_priv *np = netdev_priv(netdev); 305 enum ice_status status; 306 bool link_up = false; 307 308 netdev_info(netdev, "link test\n"); 309 status = ice_get_link_status(np->vsi->port_info, &link_up); 310 if (status) { 311 netdev_err(netdev, "link query error, status = %d\n", status); 312 return 1; 313 } 314 315 if (!link_up) 316 return 2; 317 318 return 0; 319 } 320 321 /** 322 * ice_eeprom_test - perform an EEPROM test on a given net_device 323 * @netdev: network interface device structure 324 * 325 * This function performs one of the self-tests required by ethtool. 326 * Returns 0 on success, non-zero on failure. 327 */ 328 static u64 ice_eeprom_test(struct net_device *netdev) 329 { 330 struct ice_netdev_priv *np = netdev_priv(netdev); 331 struct ice_pf *pf = np->vsi->back; 332 333 netdev_info(netdev, "EEPROM test\n"); 334 return !!(ice_nvm_validate_checksum(&pf->hw)); 335 } 336 337 /** 338 * ice_reg_pattern_test 339 * @hw: pointer to the HW struct 340 * @reg: reg to be tested 341 * @mask: bits to be touched 342 */ 343 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 344 { 345 struct ice_pf *pf = (struct ice_pf *)hw->back; 346 static const u32 patterns[] = { 347 0x5A5A5A5A, 0xA5A5A5A5, 348 0x00000000, 0xFFFFFFFF 349 }; 350 u32 val, orig_val; 351 int i; 352 353 orig_val = rd32(hw, reg); 354 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 355 u32 pattern = patterns[i] & mask; 356 357 wr32(hw, reg, pattern); 358 val = rd32(hw, reg); 359 if (val == pattern) 360 continue; 361 dev_err(&pf->pdev->dev, 362 "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 363 , __func__, reg, pattern, val); 364 return 1; 365 } 366 367 wr32(hw, reg, orig_val); 368 val = rd32(hw, reg); 369 if (val != orig_val) { 370 dev_err(&pf->pdev->dev, 371 "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 372 , __func__, reg, orig_val, val); 373 return 1; 374 } 375 376 return 0; 377 } 378 379 /** 380 * ice_reg_test - perform a register test on a given net_device 381 * @netdev: network interface device structure 382 * 383 * This function performs one of the self-tests required by ethtool. 384 * Returns 0 on success, non-zero on failure. 385 */ 386 static u64 ice_reg_test(struct net_device *netdev) 387 { 388 struct ice_netdev_priv *np = netdev_priv(netdev); 389 struct ice_hw *hw = np->vsi->port_info->hw; 390 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 391 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 392 struct ice_diag_reg_test_info { 393 u32 address; 394 u32 mask; 395 u32 elem_num; 396 u32 elem_size; 397 } ice_reg_list[] = { 398 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 399 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 400 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 401 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 402 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 403 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 404 {GLINT_CTL, 0xffff0001, 1, 0} 405 }; 406 int i; 407 408 netdev_dbg(netdev, "Register test\n"); 409 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 410 u32 j; 411 412 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 413 u32 mask = ice_reg_list[i].mask; 414 u32 reg = ice_reg_list[i].address + 415 (j * ice_reg_list[i].elem_size); 416 417 /* bail on failure (non-zero return) */ 418 if (ice_reg_pattern_test(hw, reg, mask)) 419 return 1; 420 } 421 } 422 423 return 0; 424 } 425 426 /** 427 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 428 * @vsi: pointer to the VSI structure 429 * 430 * Function configures rings of a VSI for loopback test without 431 * enabling interrupts or informing the kernel about new queues. 432 * 433 * Returns 0 on success, negative on failure. 434 */ 435 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 436 { 437 int status; 438 439 status = ice_vsi_setup_tx_rings(vsi); 440 if (status) 441 goto err_setup_tx_ring; 442 443 status = ice_vsi_setup_rx_rings(vsi); 444 if (status) 445 goto err_setup_rx_ring; 446 447 status = ice_vsi_cfg(vsi); 448 if (status) 449 goto err_setup_rx_ring; 450 451 status = ice_vsi_start_rx_rings(vsi); 452 if (status) 453 goto err_start_rx_ring; 454 455 return status; 456 457 err_start_rx_ring: 458 ice_vsi_free_rx_rings(vsi); 459 err_setup_rx_ring: 460 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 461 err_setup_tx_ring: 462 ice_vsi_free_tx_rings(vsi); 463 464 return status; 465 } 466 467 /** 468 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 469 * @vsi: pointer to the VSI structure 470 * 471 * Function stops and frees VSI rings after a loopback test. 472 * Returns 0 on success, negative on failure. 473 */ 474 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 475 { 476 int status; 477 478 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 479 if (status) 480 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 481 vsi->vsi_num, status); 482 483 status = ice_vsi_stop_rx_rings(vsi); 484 if (status) 485 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 486 vsi->vsi_num, status); 487 488 ice_vsi_free_tx_rings(vsi); 489 ice_vsi_free_rx_rings(vsi); 490 491 return status; 492 } 493 494 /** 495 * ice_lbtest_create_frame - create test packet 496 * @pf: pointer to the PF structure 497 * @ret_data: allocated frame buffer 498 * @size: size of the packet data 499 * 500 * Function allocates a frame with a test pattern on specific offsets. 501 * Returns 0 on success, non-zero on failure. 502 */ 503 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 504 { 505 u8 *data; 506 507 if (!pf) 508 return -EINVAL; 509 510 data = devm_kzalloc(&pf->pdev->dev, size, GFP_KERNEL); 511 if (!data) 512 return -ENOMEM; 513 514 /* Since the ethernet test frame should always be at least 515 * 64 bytes long, fill some octets in the payload with test data. 516 */ 517 memset(data, 0xFF, size); 518 data[32] = 0xDE; 519 data[42] = 0xAD; 520 data[44] = 0xBE; 521 data[46] = 0xEF; 522 523 *ret_data = data; 524 525 return 0; 526 } 527 528 /** 529 * ice_lbtest_check_frame - verify received loopback frame 530 * @frame: pointer to the raw packet data 531 * 532 * Function verifies received test frame with a pattern. 533 * Returns true if frame matches the pattern, false otherwise. 534 */ 535 static bool ice_lbtest_check_frame(u8 *frame) 536 { 537 /* Validate bytes of a frame under offsets chosen earlier */ 538 if (frame[32] == 0xDE && 539 frame[42] == 0xAD && 540 frame[44] == 0xBE && 541 frame[46] == 0xEF && 542 frame[48] == 0xFF) 543 return true; 544 545 return false; 546 } 547 548 /** 549 * ice_diag_send - send test frames to the test ring 550 * @tx_ring: pointer to the transmit ring 551 * @data: pointer to the raw packet data 552 * @size: size of the packet to send 553 * 554 * Function sends loopback packets on a test Tx ring. 555 */ 556 static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size) 557 { 558 struct ice_tx_desc *tx_desc; 559 struct ice_tx_buf *tx_buf; 560 dma_addr_t dma; 561 u64 td_cmd; 562 563 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 564 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 565 566 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 567 if (dma_mapping_error(tx_ring->dev, dma)) 568 return -EINVAL; 569 570 tx_desc->buf_addr = cpu_to_le64(dma); 571 572 /* These flags are required for a descriptor to be pushed out */ 573 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 574 tx_desc->cmd_type_offset_bsz = 575 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 576 (td_cmd << ICE_TXD_QW1_CMD_S) | 577 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 578 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 579 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 580 581 tx_buf->next_to_watch = tx_desc; 582 583 /* Force memory write to complete before letting h/w know 584 * there are new descriptors to fetch. 585 */ 586 wmb(); 587 588 tx_ring->next_to_use++; 589 if (tx_ring->next_to_use >= tx_ring->count) 590 tx_ring->next_to_use = 0; 591 592 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 593 594 /* Wait until the packets get transmitted to the receive queue. */ 595 usleep_range(1000, 2000); 596 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 597 598 return 0; 599 } 600 601 #define ICE_LB_FRAME_SIZE 64 602 /** 603 * ice_lbtest_receive_frames - receive and verify test frames 604 * @rx_ring: pointer to the receive ring 605 * 606 * Function receives loopback packets and verify their correctness. 607 * Returns number of received valid frames. 608 */ 609 static int ice_lbtest_receive_frames(struct ice_ring *rx_ring) 610 { 611 struct ice_rx_buf *rx_buf; 612 int valid_frames, i; 613 u8 *received_buf; 614 615 valid_frames = 0; 616 617 for (i = 0; i < rx_ring->count; i++) { 618 union ice_32b_rx_flex_desc *rx_desc; 619 620 rx_desc = ICE_RX_DESC(rx_ring, i); 621 622 if (!(rx_desc->wb.status_error0 & 623 cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS))) 624 continue; 625 626 rx_buf = &rx_ring->rx_buf[i]; 627 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 628 629 if (ice_lbtest_check_frame(received_buf)) 630 valid_frames++; 631 } 632 633 return valid_frames; 634 } 635 636 /** 637 * ice_loopback_test - perform a loopback test on a given net_device 638 * @netdev: network interface device structure 639 * 640 * This function performs one of the self-tests required by ethtool. 641 * Returns 0 on success, non-zero on failure. 642 */ 643 static u64 ice_loopback_test(struct net_device *netdev) 644 { 645 struct ice_netdev_priv *np = netdev_priv(netdev); 646 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 647 struct ice_pf *pf = orig_vsi->back; 648 struct ice_ring *tx_ring, *rx_ring; 649 u8 broadcast[ETH_ALEN], ret = 0; 650 int num_frames, valid_frames; 651 LIST_HEAD(tmp_list); 652 u8 *tx_frame; 653 int i; 654 655 netdev_info(netdev, "loopback test\n"); 656 657 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 658 if (!test_vsi) { 659 netdev_err(netdev, "Failed to create a VSI for the loopback test"); 660 return 1; 661 } 662 663 test_vsi->netdev = netdev; 664 tx_ring = test_vsi->tx_rings[0]; 665 rx_ring = test_vsi->rx_rings[0]; 666 667 if (ice_lbtest_prepare_rings(test_vsi)) { 668 ret = 2; 669 goto lbtest_vsi_close; 670 } 671 672 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 673 ret = 3; 674 goto lbtest_rings_dis; 675 } 676 677 /* Enable MAC loopback in firmware */ 678 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 679 ret = 4; 680 goto lbtest_mac_dis; 681 } 682 683 /* Test VSI needs to receive broadcast packets */ 684 eth_broadcast_addr(broadcast); 685 if (ice_add_mac_to_list(test_vsi, &tmp_list, broadcast)) { 686 ret = 5; 687 goto lbtest_mac_dis; 688 } 689 690 if (ice_add_mac(&pf->hw, &tmp_list)) { 691 ret = 6; 692 goto free_mac_list; 693 } 694 695 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 696 ret = 7; 697 goto remove_mac_filters; 698 } 699 700 num_frames = min_t(int, tx_ring->count, 32); 701 for (i = 0; i < num_frames; i++) { 702 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 703 ret = 8; 704 goto lbtest_free_frame; 705 } 706 } 707 708 valid_frames = ice_lbtest_receive_frames(rx_ring); 709 if (!valid_frames) 710 ret = 9; 711 else if (valid_frames != num_frames) 712 ret = 10; 713 714 lbtest_free_frame: 715 devm_kfree(&pf->pdev->dev, tx_frame); 716 remove_mac_filters: 717 if (ice_remove_mac(&pf->hw, &tmp_list)) 718 netdev_err(netdev, "Could not remove MAC filter for the test VSI"); 719 free_mac_list: 720 ice_free_fltr_list(&pf->pdev->dev, &tmp_list); 721 lbtest_mac_dis: 722 /* Disable MAC loopback after the test is completed. */ 723 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 724 netdev_err(netdev, "Could not disable MAC loopback\n"); 725 lbtest_rings_dis: 726 if (ice_lbtest_disable_rings(test_vsi)) 727 netdev_err(netdev, "Could not disable test rings\n"); 728 lbtest_vsi_close: 729 test_vsi->netdev = NULL; 730 if (ice_vsi_release(test_vsi)) 731 netdev_err(netdev, "Failed to remove the test VSI"); 732 733 return ret; 734 } 735 736 /** 737 * ice_intr_test - perform an interrupt test on a given net_device 738 * @netdev: network interface device structure 739 * 740 * This function performs one of the self-tests required by ethtool. 741 * Returns 0 on success, non-zero on failure. 742 */ 743 static u64 ice_intr_test(struct net_device *netdev) 744 { 745 struct ice_netdev_priv *np = netdev_priv(netdev); 746 struct ice_pf *pf = np->vsi->back; 747 u16 swic_old = pf->sw_int_count; 748 749 netdev_info(netdev, "interrupt test\n"); 750 751 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 752 GLINT_DYN_CTL_SW_ITR_INDX_M | 753 GLINT_DYN_CTL_INTENA_MSK_M | 754 GLINT_DYN_CTL_SWINT_TRIG_M); 755 756 usleep_range(1000, 2000); 757 return (swic_old == pf->sw_int_count); 758 } 759 760 /** 761 * ice_self_test - handler function for performing a self-test by ethtool 762 * @netdev: network interface device structure 763 * @eth_test: ethtool_test structure 764 * @data: required by ethtool.self_test 765 * 766 * This function is called after invoking 'ethtool -t devname' command where 767 * devname is the name of the network device on which ethtool should operate. 768 * It performs a set of self-tests to check if a device works properly. 769 */ 770 static void 771 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 772 u64 *data) 773 { 774 struct ice_netdev_priv *np = netdev_priv(netdev); 775 bool if_running = netif_running(netdev); 776 struct ice_pf *pf = np->vsi->back; 777 778 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 779 netdev_info(netdev, "offline testing starting\n"); 780 781 set_bit(__ICE_TESTING, pf->state); 782 783 if (ice_active_vfs(pf)) { 784 dev_warn(&pf->pdev->dev, 785 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 786 data[ICE_ETH_TEST_REG] = 1; 787 data[ICE_ETH_TEST_EEPROM] = 1; 788 data[ICE_ETH_TEST_INTR] = 1; 789 data[ICE_ETH_TEST_LOOP] = 1; 790 data[ICE_ETH_TEST_LINK] = 1; 791 eth_test->flags |= ETH_TEST_FL_FAILED; 792 clear_bit(__ICE_TESTING, pf->state); 793 goto skip_ol_tests; 794 } 795 /* If the device is online then take it offline */ 796 if (if_running) 797 /* indicate we're in test mode */ 798 ice_stop(netdev); 799 800 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 801 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 802 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 803 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 804 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 805 806 if (data[ICE_ETH_TEST_LINK] || 807 data[ICE_ETH_TEST_EEPROM] || 808 data[ICE_ETH_TEST_LOOP] || 809 data[ICE_ETH_TEST_INTR] || 810 data[ICE_ETH_TEST_REG]) 811 eth_test->flags |= ETH_TEST_FL_FAILED; 812 813 clear_bit(__ICE_TESTING, pf->state); 814 815 if (if_running) { 816 int status = ice_open(netdev); 817 818 if (status) { 819 dev_err(&pf->pdev->dev, 820 "Could not open device %s, err %d", 821 pf->int_name, status); 822 } 823 } 824 } else { 825 /* Online tests */ 826 netdev_info(netdev, "online testing starting\n"); 827 828 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 829 if (data[ICE_ETH_TEST_LINK]) 830 eth_test->flags |= ETH_TEST_FL_FAILED; 831 832 /* Offline only tests, not run in online; pass by default */ 833 data[ICE_ETH_TEST_REG] = 0; 834 data[ICE_ETH_TEST_EEPROM] = 0; 835 data[ICE_ETH_TEST_INTR] = 0; 836 data[ICE_ETH_TEST_LOOP] = 0; 837 } 838 839 skip_ol_tests: 840 netdev_info(netdev, "testing finished\n"); 841 } 842 843 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 844 { 845 struct ice_netdev_priv *np = netdev_priv(netdev); 846 struct ice_vsi *vsi = np->vsi; 847 char *p = (char *)data; 848 unsigned int i; 849 850 switch (stringset) { 851 case ETH_SS_STATS: 852 for (i = 0; i < ICE_VSI_STATS_LEN; i++) { 853 snprintf(p, ETH_GSTRING_LEN, "%s", 854 ice_gstrings_vsi_stats[i].stat_string); 855 p += ETH_GSTRING_LEN; 856 } 857 858 ice_for_each_alloc_txq(vsi, i) { 859 snprintf(p, ETH_GSTRING_LEN, 860 "tx_queue_%u_packets", i); 861 p += ETH_GSTRING_LEN; 862 snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i); 863 p += ETH_GSTRING_LEN; 864 } 865 866 ice_for_each_alloc_rxq(vsi, i) { 867 snprintf(p, ETH_GSTRING_LEN, 868 "rx_queue_%u_packets", i); 869 p += ETH_GSTRING_LEN; 870 snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i); 871 p += ETH_GSTRING_LEN; 872 } 873 874 if (vsi->type != ICE_VSI_PF) 875 return; 876 877 for (i = 0; i < ICE_PF_STATS_LEN; i++) { 878 snprintf(p, ETH_GSTRING_LEN, "%s", 879 ice_gstrings_pf_stats[i].stat_string); 880 p += ETH_GSTRING_LEN; 881 } 882 883 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 884 snprintf(p, ETH_GSTRING_LEN, 885 "tx_priority_%u_xon.nic", i); 886 p += ETH_GSTRING_LEN; 887 snprintf(p, ETH_GSTRING_LEN, 888 "tx_priority_%u_xoff.nic", i); 889 p += ETH_GSTRING_LEN; 890 } 891 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 892 snprintf(p, ETH_GSTRING_LEN, 893 "rx_priority_%u_xon.nic", i); 894 p += ETH_GSTRING_LEN; 895 snprintf(p, ETH_GSTRING_LEN, 896 "rx_priority_%u_xoff.nic", i); 897 p += ETH_GSTRING_LEN; 898 } 899 break; 900 case ETH_SS_TEST: 901 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 902 break; 903 case ETH_SS_PRIV_FLAGS: 904 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 905 snprintf(p, ETH_GSTRING_LEN, "%s", 906 ice_gstrings_priv_flags[i].name); 907 p += ETH_GSTRING_LEN; 908 } 909 break; 910 default: 911 break; 912 } 913 } 914 915 static int 916 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 917 { 918 struct ice_netdev_priv *np = netdev_priv(netdev); 919 bool led_active; 920 921 switch (state) { 922 case ETHTOOL_ID_ACTIVE: 923 led_active = true; 924 break; 925 case ETHTOOL_ID_INACTIVE: 926 led_active = false; 927 break; 928 default: 929 return -EINVAL; 930 } 931 932 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 933 return -EIO; 934 935 return 0; 936 } 937 938 /** 939 * ice_set_fec_cfg - Set link FEC options 940 * @netdev: network interface device structure 941 * @req_fec: FEC mode to configure 942 */ 943 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 944 { 945 struct ice_netdev_priv *np = netdev_priv(netdev); 946 struct ice_aqc_set_phy_cfg_data config = { 0 }; 947 struct ice_aqc_get_phy_caps_data *caps; 948 struct ice_vsi *vsi = np->vsi; 949 u8 sw_cfg_caps, sw_cfg_fec; 950 struct ice_port_info *pi; 951 enum ice_status status; 952 int err = 0; 953 954 pi = vsi->port_info; 955 if (!pi) 956 return -EOPNOTSUPP; 957 958 /* Changing the FEC parameters is not supported if not the PF VSI */ 959 if (vsi->type != ICE_VSI_PF) { 960 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 961 return -EOPNOTSUPP; 962 } 963 964 /* Get last SW configuration */ 965 caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL); 966 if (!caps) 967 return -ENOMEM; 968 969 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, 970 caps, NULL); 971 if (status) { 972 err = -EAGAIN; 973 goto done; 974 } 975 976 /* Copy SW configuration returned from PHY caps to PHY config */ 977 ice_copy_phy_caps_to_cfg(caps, &config); 978 sw_cfg_caps = caps->caps; 979 sw_cfg_fec = caps->link_fec_options; 980 981 /* Get toloplogy caps, then copy PHY FEC topoloy caps to PHY config */ 982 memset(caps, 0, sizeof(*caps)); 983 984 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, 985 caps, NULL); 986 if (status) { 987 err = -EAGAIN; 988 goto done; 989 } 990 991 config.caps |= (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC); 992 config.link_fec_opt = caps->link_fec_options; 993 994 ice_cfg_phy_fec(&config, req_fec); 995 996 /* If FEC mode has changed, then set PHY configuration and enable AN. */ 997 if ((config.caps & ICE_AQ_PHY_ENA_AUTO_FEC) != 998 (sw_cfg_caps & ICE_AQC_PHY_EN_AUTO_FEC) || 999 config.link_fec_opt != sw_cfg_fec) { 1000 if (caps->caps & ICE_AQC_PHY_AN_MODE) 1001 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1002 1003 status = ice_aq_set_phy_cfg(pi->hw, pi->lport, &config, NULL); 1004 1005 if (status) 1006 err = -EAGAIN; 1007 } 1008 1009 done: 1010 devm_kfree(&vsi->back->pdev->dev, caps); 1011 return err; 1012 } 1013 1014 /** 1015 * ice_set_fecparam - Set FEC link options 1016 * @netdev: network interface device structure 1017 * @fecparam: Ethtool structure to retrieve FEC parameters 1018 */ 1019 static int 1020 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1021 { 1022 struct ice_netdev_priv *np = netdev_priv(netdev); 1023 struct ice_vsi *vsi = np->vsi; 1024 enum ice_fec_mode fec; 1025 1026 switch (fecparam->fec) { 1027 case ETHTOOL_FEC_AUTO: 1028 fec = ICE_FEC_AUTO; 1029 break; 1030 case ETHTOOL_FEC_RS: 1031 fec = ICE_FEC_RS; 1032 break; 1033 case ETHTOOL_FEC_BASER: 1034 fec = ICE_FEC_BASER; 1035 break; 1036 case ETHTOOL_FEC_OFF: 1037 case ETHTOOL_FEC_NONE: 1038 fec = ICE_FEC_NONE; 1039 break; 1040 default: 1041 dev_warn(&vsi->back->pdev->dev, "Unsupported FEC mode: %d\n", 1042 fecparam->fec); 1043 return -EINVAL; 1044 } 1045 1046 return ice_set_fec_cfg(netdev, fec); 1047 } 1048 1049 /** 1050 * ice_get_fecparam - Get link FEC options 1051 * @netdev: network interface device structure 1052 * @fecparam: Ethtool structure to retrieve FEC parameters 1053 */ 1054 static int 1055 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1056 { 1057 struct ice_netdev_priv *np = netdev_priv(netdev); 1058 struct ice_aqc_get_phy_caps_data *caps; 1059 struct ice_link_status *link_info; 1060 struct ice_vsi *vsi = np->vsi; 1061 struct ice_port_info *pi; 1062 enum ice_status status; 1063 int err = 0; 1064 1065 pi = vsi->port_info; 1066 1067 if (!pi) 1068 return -EOPNOTSUPP; 1069 link_info = &pi->phy.link_info; 1070 1071 /* Set FEC mode based on negotiated link info */ 1072 switch (link_info->fec_info) { 1073 case ICE_AQ_LINK_25G_KR_FEC_EN: 1074 fecparam->active_fec = ETHTOOL_FEC_BASER; 1075 break; 1076 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1077 /* fall through */ 1078 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1079 fecparam->active_fec = ETHTOOL_FEC_RS; 1080 break; 1081 default: 1082 fecparam->active_fec = ETHTOOL_FEC_OFF; 1083 break; 1084 } 1085 1086 caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL); 1087 if (!caps) 1088 return -ENOMEM; 1089 1090 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, 1091 caps, NULL); 1092 if (status) { 1093 err = -EAGAIN; 1094 goto done; 1095 } 1096 1097 /* Set supported/configured FEC modes based on PHY capability */ 1098 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1099 fecparam->fec |= ETHTOOL_FEC_AUTO; 1100 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1101 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1102 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1103 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1104 fecparam->fec |= ETHTOOL_FEC_BASER; 1105 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1106 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1107 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1108 fecparam->fec |= ETHTOOL_FEC_RS; 1109 if (caps->link_fec_options == 0) 1110 fecparam->fec |= ETHTOOL_FEC_OFF; 1111 1112 done: 1113 devm_kfree(&vsi->back->pdev->dev, caps); 1114 return err; 1115 } 1116 1117 /** 1118 * ice_get_priv_flags - report device private flags 1119 * @netdev: network interface device structure 1120 * 1121 * The get string set count and the string set should be matched for each 1122 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1123 * array. 1124 * 1125 * Returns a u32 bitmap of flags. 1126 */ 1127 static u32 ice_get_priv_flags(struct net_device *netdev) 1128 { 1129 struct ice_netdev_priv *np = netdev_priv(netdev); 1130 struct ice_vsi *vsi = np->vsi; 1131 struct ice_pf *pf = vsi->back; 1132 u32 i, ret_flags = 0; 1133 1134 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1135 const struct ice_priv_flag *priv_flag; 1136 1137 priv_flag = &ice_gstrings_priv_flags[i]; 1138 1139 if (test_bit(priv_flag->bitno, pf->flags)) 1140 ret_flags |= BIT(i); 1141 } 1142 1143 return ret_flags; 1144 } 1145 1146 /** 1147 * ice_set_priv_flags - set private flags 1148 * @netdev: network interface device structure 1149 * @flags: bit flags to be set 1150 */ 1151 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1152 { 1153 struct ice_netdev_priv *np = netdev_priv(netdev); 1154 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1155 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1156 struct ice_vsi *vsi = np->vsi; 1157 struct ice_pf *pf = vsi->back; 1158 int ret = 0; 1159 u32 i; 1160 1161 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1162 return -EINVAL; 1163 1164 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1165 1166 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1167 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1168 const struct ice_priv_flag *priv_flag; 1169 1170 priv_flag = &ice_gstrings_priv_flags[i]; 1171 1172 if (flags & BIT(i)) 1173 set_bit(priv_flag->bitno, pf->flags); 1174 else 1175 clear_bit(priv_flag->bitno, pf->flags); 1176 } 1177 1178 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1179 1180 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1181 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1182 enum ice_status status; 1183 1184 /* Disable FW LLDP engine */ 1185 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1186 1187 /* If unregistering for LLDP events fails, this is 1188 * not an error state, as there shouldn't be any 1189 * events to respond to. 1190 */ 1191 if (status) 1192 dev_info(&pf->pdev->dev, 1193 "Failed to unreg for LLDP events\n"); 1194 1195 /* The AQ call to stop the FW LLDP agent will generate 1196 * an error if the agent is already stopped. 1197 */ 1198 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1199 if (status) 1200 dev_warn(&pf->pdev->dev, 1201 "Fail to stop LLDP agent\n"); 1202 /* Use case for having the FW LLDP agent stopped 1203 * will likely not need DCB, so failure to init is 1204 * not a concern of ethtool 1205 */ 1206 status = ice_init_pf_dcb(pf, true); 1207 if (status) 1208 dev_warn(&pf->pdev->dev, "Fail to init DCB\n"); 1209 1210 /* Forward LLDP packets to default VSI so that they 1211 * are passed up the stack 1212 */ 1213 ice_cfg_sw_lldp(vsi, false, true); 1214 } else { 1215 enum ice_status status; 1216 bool dcbx_agent_status; 1217 1218 /* AQ command to start FW LLDP agent will return an 1219 * error if the agent is already started 1220 */ 1221 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1222 if (status) 1223 dev_warn(&pf->pdev->dev, 1224 "Fail to start LLDP Agent\n"); 1225 1226 /* AQ command to start FW DCBX agent will fail if 1227 * the agent is already started 1228 */ 1229 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1230 &dcbx_agent_status, 1231 NULL); 1232 if (status) 1233 dev_dbg(&pf->pdev->dev, 1234 "Failed to start FW DCBX\n"); 1235 1236 dev_info(&pf->pdev->dev, "FW DCBX agent is %s\n", 1237 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1238 1239 /* Failure to configure MIB change or init DCB is not 1240 * relevant to ethtool. Print notification that 1241 * registration/init failed but do not return error 1242 * state to ethtool 1243 */ 1244 status = ice_init_pf_dcb(pf, true); 1245 if (status) 1246 dev_dbg(&pf->pdev->dev, "Fail to init DCB\n"); 1247 1248 /* Remove rule to direct LLDP packets to default VSI. 1249 * The FW LLDP engine will now be consuming them. 1250 */ 1251 ice_cfg_sw_lldp(vsi, false, false); 1252 1253 /* Register for MIB change events */ 1254 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1255 if (status) 1256 dev_dbg(&pf->pdev->dev, 1257 "Fail to enable MIB change events\n"); 1258 } 1259 } 1260 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1261 /* down and up VSI so that changes of Rx cfg are reflected. */ 1262 ice_down(vsi); 1263 ice_up(vsi); 1264 } 1265 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1266 return ret; 1267 } 1268 1269 static int ice_get_sset_count(struct net_device *netdev, int sset) 1270 { 1271 switch (sset) { 1272 case ETH_SS_STATS: 1273 /* The number (and order) of strings reported *must* remain 1274 * constant for a given netdevice. This function must not 1275 * report a different number based on run time parameters 1276 * (such as the number of queues in use, or the setting of 1277 * a private ethtool flag). This is due to the nature of the 1278 * ethtool stats API. 1279 * 1280 * Userspace programs such as ethtool must make 3 separate 1281 * ioctl requests, one for size, one for the strings, and 1282 * finally one for the stats. Since these cross into 1283 * userspace, changes to the number or size could result in 1284 * undefined memory access or incorrect string<->value 1285 * correlations for statistics. 1286 * 1287 * Even if it appears to be safe, changes to the size or 1288 * order of strings will suffer from race conditions and are 1289 * not safe. 1290 */ 1291 return ICE_ALL_STATS_LEN(netdev); 1292 case ETH_SS_TEST: 1293 return ICE_TEST_LEN; 1294 case ETH_SS_PRIV_FLAGS: 1295 return ICE_PRIV_FLAG_ARRAY_SIZE; 1296 default: 1297 return -EOPNOTSUPP; 1298 } 1299 } 1300 1301 static void 1302 ice_get_ethtool_stats(struct net_device *netdev, 1303 struct ethtool_stats __always_unused *stats, u64 *data) 1304 { 1305 struct ice_netdev_priv *np = netdev_priv(netdev); 1306 struct ice_vsi *vsi = np->vsi; 1307 struct ice_pf *pf = vsi->back; 1308 struct ice_ring *ring; 1309 unsigned int j; 1310 int i = 0; 1311 char *p; 1312 1313 ice_update_pf_stats(pf); 1314 ice_update_vsi_stats(vsi); 1315 1316 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1317 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1318 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1319 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1320 } 1321 1322 /* populate per queue stats */ 1323 rcu_read_lock(); 1324 1325 ice_for_each_alloc_txq(vsi, j) { 1326 ring = READ_ONCE(vsi->tx_rings[j]); 1327 if (ring) { 1328 data[i++] = ring->stats.pkts; 1329 data[i++] = ring->stats.bytes; 1330 } else { 1331 data[i++] = 0; 1332 data[i++] = 0; 1333 } 1334 } 1335 1336 ice_for_each_alloc_rxq(vsi, j) { 1337 ring = READ_ONCE(vsi->rx_rings[j]); 1338 if (ring) { 1339 data[i++] = ring->stats.pkts; 1340 data[i++] = ring->stats.bytes; 1341 } else { 1342 data[i++] = 0; 1343 data[i++] = 0; 1344 } 1345 } 1346 1347 rcu_read_unlock(); 1348 1349 if (vsi->type != ICE_VSI_PF) 1350 return; 1351 1352 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1353 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1354 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1355 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1356 } 1357 1358 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1359 data[i++] = pf->stats.priority_xon_tx[j]; 1360 data[i++] = pf->stats.priority_xoff_tx[j]; 1361 } 1362 1363 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1364 data[i++] = pf->stats.priority_xon_rx[j]; 1365 data[i++] = pf->stats.priority_xoff_rx[j]; 1366 } 1367 } 1368 1369 /** 1370 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1371 * @netdev: network interface device structure 1372 * @ks: ethtool link ksettings struct to fill out 1373 */ 1374 static void 1375 ice_phy_type_to_ethtool(struct net_device *netdev, 1376 struct ethtool_link_ksettings *ks) 1377 { 1378 struct ice_netdev_priv *np = netdev_priv(netdev); 1379 struct ice_link_status *hw_link_info; 1380 bool need_add_adv_mode = false; 1381 struct ice_vsi *vsi = np->vsi; 1382 u64 phy_types_high; 1383 u64 phy_types_low; 1384 1385 hw_link_info = &vsi->port_info->phy.link_info; 1386 phy_types_low = vsi->port_info->phy.phy_type_low; 1387 phy_types_high = vsi->port_info->phy.phy_type_high; 1388 1389 ethtool_link_ksettings_zero_link_mode(ks, supported); 1390 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1391 1392 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || 1393 phy_types_low & ICE_PHY_TYPE_LOW_100M_SGMII) { 1394 ethtool_link_ksettings_add_link_mode(ks, supported, 1395 100baseT_Full); 1396 if (!hw_link_info->req_speeds || 1397 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100MB) 1398 ethtool_link_ksettings_add_link_mode(ks, advertising, 1399 100baseT_Full); 1400 } 1401 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || 1402 phy_types_low & ICE_PHY_TYPE_LOW_1G_SGMII) { 1403 ethtool_link_ksettings_add_link_mode(ks, supported, 1404 1000baseT_Full); 1405 if (!hw_link_info->req_speeds || 1406 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) 1407 ethtool_link_ksettings_add_link_mode(ks, advertising, 1408 1000baseT_Full); 1409 } 1410 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX) { 1411 ethtool_link_ksettings_add_link_mode(ks, supported, 1412 1000baseKX_Full); 1413 if (!hw_link_info->req_speeds || 1414 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) 1415 ethtool_link_ksettings_add_link_mode(ks, advertising, 1416 1000baseKX_Full); 1417 } 1418 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_SX || 1419 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_LX) { 1420 ethtool_link_ksettings_add_link_mode(ks, supported, 1421 1000baseX_Full); 1422 if (!hw_link_info->req_speeds || 1423 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) 1424 ethtool_link_ksettings_add_link_mode(ks, advertising, 1425 1000baseX_Full); 1426 } 1427 if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T) { 1428 ethtool_link_ksettings_add_link_mode(ks, supported, 1429 2500baseT_Full); 1430 if (!hw_link_info->req_speeds || 1431 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB) 1432 ethtool_link_ksettings_add_link_mode(ks, advertising, 1433 2500baseT_Full); 1434 } 1435 if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_X || 1436 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX) { 1437 ethtool_link_ksettings_add_link_mode(ks, supported, 1438 2500baseX_Full); 1439 if (!hw_link_info->req_speeds || 1440 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB) 1441 ethtool_link_ksettings_add_link_mode(ks, advertising, 1442 2500baseX_Full); 1443 } 1444 if (phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || 1445 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR) { 1446 ethtool_link_ksettings_add_link_mode(ks, supported, 1447 5000baseT_Full); 1448 if (!hw_link_info->req_speeds || 1449 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_5GB) 1450 ethtool_link_ksettings_add_link_mode(ks, advertising, 1451 5000baseT_Full); 1452 } 1453 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || 1454 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_DA || 1455 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC || 1456 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_C2C) { 1457 ethtool_link_ksettings_add_link_mode(ks, supported, 1458 10000baseT_Full); 1459 if (!hw_link_info->req_speeds || 1460 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1461 ethtool_link_ksettings_add_link_mode(ks, advertising, 1462 10000baseT_Full); 1463 } 1464 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1) { 1465 ethtool_link_ksettings_add_link_mode(ks, supported, 1466 10000baseKR_Full); 1467 if (!hw_link_info->req_speeds || 1468 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1469 ethtool_link_ksettings_add_link_mode(ks, advertising, 1470 10000baseKR_Full); 1471 } 1472 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_SR) { 1473 ethtool_link_ksettings_add_link_mode(ks, supported, 1474 10000baseSR_Full); 1475 if (!hw_link_info->req_speeds || 1476 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1477 ethtool_link_ksettings_add_link_mode(ks, advertising, 1478 10000baseSR_Full); 1479 } 1480 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_LR) { 1481 ethtool_link_ksettings_add_link_mode(ks, supported, 1482 10000baseLR_Full); 1483 if (!hw_link_info->req_speeds || 1484 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1485 ethtool_link_ksettings_add_link_mode(ks, advertising, 1486 10000baseLR_Full); 1487 } 1488 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || 1489 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || 1490 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || 1491 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || 1492 phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC || 1493 phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_C2C) { 1494 ethtool_link_ksettings_add_link_mode(ks, supported, 1495 25000baseCR_Full); 1496 if (!hw_link_info->req_speeds || 1497 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) 1498 ethtool_link_ksettings_add_link_mode(ks, advertising, 1499 25000baseCR_Full); 1500 } 1501 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_SR || 1502 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_LR) { 1503 ethtool_link_ksettings_add_link_mode(ks, supported, 1504 25000baseSR_Full); 1505 if (!hw_link_info->req_speeds || 1506 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) 1507 ethtool_link_ksettings_add_link_mode(ks, advertising, 1508 25000baseSR_Full); 1509 } 1510 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || 1511 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || 1512 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1) { 1513 ethtool_link_ksettings_add_link_mode(ks, supported, 1514 25000baseKR_Full); 1515 if (!hw_link_info->req_speeds || 1516 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) 1517 ethtool_link_ksettings_add_link_mode(ks, advertising, 1518 25000baseKR_Full); 1519 } 1520 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { 1521 ethtool_link_ksettings_add_link_mode(ks, supported, 1522 40000baseKR4_Full); 1523 if (!hw_link_info->req_speeds || 1524 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1525 ethtool_link_ksettings_add_link_mode(ks, advertising, 1526 40000baseKR4_Full); 1527 } 1528 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || 1529 phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC || 1530 phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI) { 1531 ethtool_link_ksettings_add_link_mode(ks, supported, 1532 40000baseCR4_Full); 1533 if (!hw_link_info->req_speeds || 1534 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1535 ethtool_link_ksettings_add_link_mode(ks, advertising, 1536 40000baseCR4_Full); 1537 } 1538 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_SR4) { 1539 ethtool_link_ksettings_add_link_mode(ks, supported, 1540 40000baseSR4_Full); 1541 if (!hw_link_info->req_speeds || 1542 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1543 ethtool_link_ksettings_add_link_mode(ks, advertising, 1544 40000baseSR4_Full); 1545 } 1546 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_LR4) { 1547 ethtool_link_ksettings_add_link_mode(ks, supported, 1548 40000baseLR4_Full); 1549 if (!hw_link_info->req_speeds || 1550 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1551 ethtool_link_ksettings_add_link_mode(ks, advertising, 1552 40000baseLR4_Full); 1553 } 1554 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || 1555 phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC || 1556 phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2 || 1557 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC || 1558 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2 || 1559 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || 1560 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR || 1561 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC || 1562 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1) { 1563 ethtool_link_ksettings_add_link_mode(ks, supported, 1564 50000baseCR2_Full); 1565 if (!hw_link_info->req_speeds || 1566 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) 1567 ethtool_link_ksettings_add_link_mode(ks, advertising, 1568 50000baseCR2_Full); 1569 } 1570 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || 1571 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { 1572 ethtool_link_ksettings_add_link_mode(ks, supported, 1573 50000baseKR2_Full); 1574 if (!hw_link_info->req_speeds || 1575 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) 1576 ethtool_link_ksettings_add_link_mode(ks, advertising, 1577 50000baseKR2_Full); 1578 } 1579 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR2 || 1580 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR2 || 1581 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_FR || 1582 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR) { 1583 ethtool_link_ksettings_add_link_mode(ks, supported, 1584 50000baseSR2_Full); 1585 if (!hw_link_info->req_speeds || 1586 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) 1587 ethtool_link_ksettings_add_link_mode(ks, advertising, 1588 50000baseSR2_Full); 1589 } 1590 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || 1591 phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC || 1592 phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4 || 1593 phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC || 1594 phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4 || 1595 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 || 1596 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2 || 1597 phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC || 1598 phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2 || 1599 phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC || 1600 phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2) { 1601 ethtool_link_ksettings_add_link_mode(ks, supported, 1602 100000baseCR4_Full); 1603 if (!hw_link_info->req_speeds || 1604 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1605 need_add_adv_mode = true; 1606 } 1607 if (need_add_adv_mode) { 1608 need_add_adv_mode = false; 1609 ethtool_link_ksettings_add_link_mode(ks, advertising, 1610 100000baseCR4_Full); 1611 } 1612 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR4 || 1613 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR2) { 1614 ethtool_link_ksettings_add_link_mode(ks, supported, 1615 100000baseSR4_Full); 1616 if (!hw_link_info->req_speeds || 1617 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1618 need_add_adv_mode = true; 1619 } 1620 if (need_add_adv_mode) { 1621 need_add_adv_mode = false; 1622 ethtool_link_ksettings_add_link_mode(ks, advertising, 1623 100000baseSR4_Full); 1624 } 1625 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_LR4 || 1626 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_DR) { 1627 ethtool_link_ksettings_add_link_mode(ks, supported, 1628 100000baseLR4_ER4_Full); 1629 if (!hw_link_info->req_speeds || 1630 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1631 need_add_adv_mode = true; 1632 } 1633 if (need_add_adv_mode) { 1634 need_add_adv_mode = false; 1635 ethtool_link_ksettings_add_link_mode(ks, advertising, 1636 100000baseLR4_ER4_Full); 1637 } 1638 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || 1639 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || 1640 phy_types_high & ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4) { 1641 ethtool_link_ksettings_add_link_mode(ks, supported, 1642 100000baseKR4_Full); 1643 if (!hw_link_info->req_speeds || 1644 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1645 need_add_adv_mode = true; 1646 } 1647 if (need_add_adv_mode) 1648 ethtool_link_ksettings_add_link_mode(ks, advertising, 1649 100000baseKR4_Full); 1650 1651 /* Autoneg PHY types */ 1652 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || 1653 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || 1654 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX || 1655 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T || 1656 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX || 1657 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || 1658 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR || 1659 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || 1660 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 || 1661 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || 1662 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || 1663 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || 1664 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || 1665 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || 1666 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || 1667 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1 || 1668 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || 1669 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { 1670 ethtool_link_ksettings_add_link_mode(ks, supported, 1671 Autoneg); 1672 ethtool_link_ksettings_add_link_mode(ks, advertising, 1673 Autoneg); 1674 } 1675 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || 1676 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || 1677 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || 1678 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { 1679 ethtool_link_ksettings_add_link_mode(ks, supported, 1680 Autoneg); 1681 ethtool_link_ksettings_add_link_mode(ks, advertising, 1682 Autoneg); 1683 } 1684 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || 1685 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || 1686 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || 1687 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) { 1688 ethtool_link_ksettings_add_link_mode(ks, supported, 1689 Autoneg); 1690 ethtool_link_ksettings_add_link_mode(ks, advertising, 1691 Autoneg); 1692 } 1693 } 1694 1695 #define TEST_SET_BITS_TIMEOUT 50 1696 #define TEST_SET_BITS_SLEEP_MAX 2000 1697 #define TEST_SET_BITS_SLEEP_MIN 1000 1698 1699 /** 1700 * ice_get_settings_link_up - Get Link settings for when link is up 1701 * @ks: ethtool ksettings to fill in 1702 * @netdev: network interface device structure 1703 */ 1704 static void 1705 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1706 struct net_device *netdev) 1707 { 1708 struct ice_netdev_priv *np = netdev_priv(netdev); 1709 struct ice_port_info *pi = np->vsi->port_info; 1710 struct ethtool_link_ksettings cap_ksettings; 1711 struct ice_link_status *link_info; 1712 struct ice_vsi *vsi = np->vsi; 1713 bool unrecog_phy_high = false; 1714 bool unrecog_phy_low = false; 1715 1716 link_info = &vsi->port_info->phy.link_info; 1717 1718 /* Initialize supported and advertised settings based on PHY settings */ 1719 switch (link_info->phy_type_low) { 1720 case ICE_PHY_TYPE_LOW_100BASE_TX: 1721 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1722 ethtool_link_ksettings_add_link_mode(ks, supported, 1723 100baseT_Full); 1724 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1725 ethtool_link_ksettings_add_link_mode(ks, advertising, 1726 100baseT_Full); 1727 break; 1728 case ICE_PHY_TYPE_LOW_100M_SGMII: 1729 ethtool_link_ksettings_add_link_mode(ks, supported, 1730 100baseT_Full); 1731 break; 1732 case ICE_PHY_TYPE_LOW_1000BASE_T: 1733 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1734 ethtool_link_ksettings_add_link_mode(ks, supported, 1735 1000baseT_Full); 1736 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1737 ethtool_link_ksettings_add_link_mode(ks, advertising, 1738 1000baseT_Full); 1739 break; 1740 case ICE_PHY_TYPE_LOW_1G_SGMII: 1741 ethtool_link_ksettings_add_link_mode(ks, supported, 1742 1000baseT_Full); 1743 break; 1744 case ICE_PHY_TYPE_LOW_1000BASE_SX: 1745 case ICE_PHY_TYPE_LOW_1000BASE_LX: 1746 ethtool_link_ksettings_add_link_mode(ks, supported, 1747 1000baseX_Full); 1748 break; 1749 case ICE_PHY_TYPE_LOW_1000BASE_KX: 1750 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1751 ethtool_link_ksettings_add_link_mode(ks, supported, 1752 1000baseKX_Full); 1753 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1754 ethtool_link_ksettings_add_link_mode(ks, advertising, 1755 1000baseKX_Full); 1756 break; 1757 case ICE_PHY_TYPE_LOW_2500BASE_T: 1758 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1759 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1760 ethtool_link_ksettings_add_link_mode(ks, supported, 1761 2500baseT_Full); 1762 ethtool_link_ksettings_add_link_mode(ks, advertising, 1763 2500baseT_Full); 1764 break; 1765 case ICE_PHY_TYPE_LOW_2500BASE_X: 1766 ethtool_link_ksettings_add_link_mode(ks, supported, 1767 2500baseX_Full); 1768 break; 1769 case ICE_PHY_TYPE_LOW_2500BASE_KX: 1770 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1771 ethtool_link_ksettings_add_link_mode(ks, supported, 1772 2500baseX_Full); 1773 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1774 ethtool_link_ksettings_add_link_mode(ks, advertising, 1775 2500baseX_Full); 1776 break; 1777 case ICE_PHY_TYPE_LOW_5GBASE_T: 1778 case ICE_PHY_TYPE_LOW_5GBASE_KR: 1779 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1780 ethtool_link_ksettings_add_link_mode(ks, supported, 1781 5000baseT_Full); 1782 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1783 ethtool_link_ksettings_add_link_mode(ks, advertising, 1784 5000baseT_Full); 1785 break; 1786 case ICE_PHY_TYPE_LOW_10GBASE_T: 1787 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1788 ethtool_link_ksettings_add_link_mode(ks, supported, 1789 10000baseT_Full); 1790 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1791 ethtool_link_ksettings_add_link_mode(ks, advertising, 1792 10000baseT_Full); 1793 break; 1794 case ICE_PHY_TYPE_LOW_10G_SFI_DA: 1795 case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC: 1796 case ICE_PHY_TYPE_LOW_10G_SFI_C2C: 1797 ethtool_link_ksettings_add_link_mode(ks, supported, 1798 10000baseT_Full); 1799 break; 1800 case ICE_PHY_TYPE_LOW_10GBASE_SR: 1801 ethtool_link_ksettings_add_link_mode(ks, supported, 1802 10000baseSR_Full); 1803 break; 1804 case ICE_PHY_TYPE_LOW_10GBASE_LR: 1805 ethtool_link_ksettings_add_link_mode(ks, supported, 1806 10000baseLR_Full); 1807 break; 1808 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1: 1809 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1810 ethtool_link_ksettings_add_link_mode(ks, supported, 1811 10000baseKR_Full); 1812 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1813 ethtool_link_ksettings_add_link_mode(ks, advertising, 1814 10000baseKR_Full); 1815 break; 1816 case ICE_PHY_TYPE_LOW_25GBASE_T: 1817 case ICE_PHY_TYPE_LOW_25GBASE_CR: 1818 case ICE_PHY_TYPE_LOW_25GBASE_CR_S: 1819 case ICE_PHY_TYPE_LOW_25GBASE_CR1: 1820 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1821 ethtool_link_ksettings_add_link_mode(ks, supported, 1822 25000baseCR_Full); 1823 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1824 ethtool_link_ksettings_add_link_mode(ks, advertising, 1825 25000baseCR_Full); 1826 break; 1827 case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC: 1828 case ICE_PHY_TYPE_LOW_25G_AUI_C2C: 1829 ethtool_link_ksettings_add_link_mode(ks, supported, 1830 25000baseCR_Full); 1831 break; 1832 case ICE_PHY_TYPE_LOW_25GBASE_SR: 1833 case ICE_PHY_TYPE_LOW_25GBASE_LR: 1834 ethtool_link_ksettings_add_link_mode(ks, supported, 1835 25000baseSR_Full); 1836 break; 1837 case ICE_PHY_TYPE_LOW_25GBASE_KR: 1838 case ICE_PHY_TYPE_LOW_25GBASE_KR1: 1839 case ICE_PHY_TYPE_LOW_25GBASE_KR_S: 1840 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1841 ethtool_link_ksettings_add_link_mode(ks, supported, 1842 25000baseKR_Full); 1843 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1844 ethtool_link_ksettings_add_link_mode(ks, advertising, 1845 25000baseKR_Full); 1846 break; 1847 case ICE_PHY_TYPE_LOW_40GBASE_CR4: 1848 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1849 ethtool_link_ksettings_add_link_mode(ks, supported, 1850 40000baseCR4_Full); 1851 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1852 ethtool_link_ksettings_add_link_mode(ks, advertising, 1853 40000baseCR4_Full); 1854 break; 1855 case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC: 1856 case ICE_PHY_TYPE_LOW_40G_XLAUI: 1857 ethtool_link_ksettings_add_link_mode(ks, supported, 1858 40000baseCR4_Full); 1859 break; 1860 case ICE_PHY_TYPE_LOW_40GBASE_SR4: 1861 ethtool_link_ksettings_add_link_mode(ks, supported, 1862 40000baseSR4_Full); 1863 break; 1864 case ICE_PHY_TYPE_LOW_40GBASE_LR4: 1865 ethtool_link_ksettings_add_link_mode(ks, supported, 1866 40000baseLR4_Full); 1867 break; 1868 case ICE_PHY_TYPE_LOW_40GBASE_KR4: 1869 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1870 ethtool_link_ksettings_add_link_mode(ks, supported, 1871 40000baseKR4_Full); 1872 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1873 ethtool_link_ksettings_add_link_mode(ks, advertising, 1874 40000baseKR4_Full); 1875 break; 1876 case ICE_PHY_TYPE_LOW_50GBASE_CR2: 1877 case ICE_PHY_TYPE_LOW_50GBASE_CP: 1878 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1879 ethtool_link_ksettings_add_link_mode(ks, supported, 1880 50000baseCR2_Full); 1881 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1882 ethtool_link_ksettings_add_link_mode(ks, advertising, 1883 50000baseCR2_Full); 1884 break; 1885 case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC: 1886 case ICE_PHY_TYPE_LOW_50G_LAUI2: 1887 case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC: 1888 case ICE_PHY_TYPE_LOW_50G_AUI2: 1889 case ICE_PHY_TYPE_LOW_50GBASE_SR: 1890 case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC: 1891 case ICE_PHY_TYPE_LOW_50G_AUI1: 1892 ethtool_link_ksettings_add_link_mode(ks, supported, 1893 50000baseCR2_Full); 1894 break; 1895 case ICE_PHY_TYPE_LOW_50GBASE_KR2: 1896 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4: 1897 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1898 ethtool_link_ksettings_add_link_mode(ks, supported, 1899 50000baseKR2_Full); 1900 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1901 ethtool_link_ksettings_add_link_mode(ks, advertising, 1902 50000baseKR2_Full); 1903 break; 1904 case ICE_PHY_TYPE_LOW_50GBASE_SR2: 1905 case ICE_PHY_TYPE_LOW_50GBASE_LR2: 1906 case ICE_PHY_TYPE_LOW_50GBASE_FR: 1907 case ICE_PHY_TYPE_LOW_50GBASE_LR: 1908 ethtool_link_ksettings_add_link_mode(ks, supported, 1909 50000baseSR2_Full); 1910 break; 1911 case ICE_PHY_TYPE_LOW_100GBASE_CR4: 1912 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1913 ethtool_link_ksettings_add_link_mode(ks, supported, 1914 100000baseCR4_Full); 1915 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1916 ethtool_link_ksettings_add_link_mode(ks, advertising, 1917 100000baseCR4_Full); 1918 break; 1919 case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC: 1920 case ICE_PHY_TYPE_LOW_100G_CAUI4: 1921 case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC: 1922 case ICE_PHY_TYPE_LOW_100G_AUI4: 1923 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4: 1924 ethtool_link_ksettings_add_link_mode(ks, supported, 1925 100000baseCR4_Full); 1926 break; 1927 case ICE_PHY_TYPE_LOW_100GBASE_CP2: 1928 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1929 ethtool_link_ksettings_add_link_mode(ks, supported, 1930 100000baseCR4_Full); 1931 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1932 ethtool_link_ksettings_add_link_mode(ks, advertising, 1933 100000baseCR4_Full); 1934 break; 1935 case ICE_PHY_TYPE_LOW_100GBASE_SR4: 1936 case ICE_PHY_TYPE_LOW_100GBASE_SR2: 1937 ethtool_link_ksettings_add_link_mode(ks, supported, 1938 100000baseSR4_Full); 1939 break; 1940 case ICE_PHY_TYPE_LOW_100GBASE_LR4: 1941 case ICE_PHY_TYPE_LOW_100GBASE_DR: 1942 ethtool_link_ksettings_add_link_mode(ks, supported, 1943 100000baseLR4_ER4_Full); 1944 break; 1945 case ICE_PHY_TYPE_LOW_100GBASE_KR4: 1946 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4: 1947 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1948 ethtool_link_ksettings_add_link_mode(ks, supported, 1949 100000baseKR4_Full); 1950 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1951 ethtool_link_ksettings_add_link_mode(ks, advertising, 1952 100000baseKR4_Full); 1953 break; 1954 default: 1955 unrecog_phy_low = true; 1956 } 1957 1958 switch (link_info->phy_type_high) { 1959 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4: 1960 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1961 ethtool_link_ksettings_add_link_mode(ks, supported, 1962 100000baseKR4_Full); 1963 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1964 ethtool_link_ksettings_add_link_mode(ks, advertising, 1965 100000baseKR4_Full); 1966 break; 1967 case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC: 1968 case ICE_PHY_TYPE_HIGH_100G_CAUI2: 1969 case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC: 1970 case ICE_PHY_TYPE_HIGH_100G_AUI2: 1971 ethtool_link_ksettings_add_link_mode(ks, supported, 1972 100000baseCR4_Full); 1973 break; 1974 default: 1975 unrecog_phy_high = true; 1976 } 1977 1978 if (unrecog_phy_low && unrecog_phy_high) { 1979 /* if we got here and link is up something bad is afoot */ 1980 netdev_info(netdev, 1981 "WARNING: Unrecognized PHY_Low (0x%llx).\n", 1982 (u64)link_info->phy_type_low); 1983 netdev_info(netdev, 1984 "WARNING: Unrecognized PHY_High (0x%llx).\n", 1985 (u64)link_info->phy_type_high); 1986 } 1987 1988 /* Now that we've worked out everything that could be supported by the 1989 * current PHY type, get what is supported by the NVM and intersect 1990 * them to get what is truly supported 1991 */ 1992 memset(&cap_ksettings, 0, sizeof(cap_ksettings)); 1993 ice_phy_type_to_ethtool(netdev, &cap_ksettings); 1994 ethtool_intersect_link_masks(ks, &cap_ksettings); 1995 1996 switch (link_info->link_speed) { 1997 case ICE_AQ_LINK_SPEED_100GB: 1998 ks->base.speed = SPEED_100000; 1999 break; 2000 case ICE_AQ_LINK_SPEED_50GB: 2001 ks->base.speed = SPEED_50000; 2002 break; 2003 case ICE_AQ_LINK_SPEED_40GB: 2004 ks->base.speed = SPEED_40000; 2005 break; 2006 case ICE_AQ_LINK_SPEED_25GB: 2007 ks->base.speed = SPEED_25000; 2008 break; 2009 case ICE_AQ_LINK_SPEED_20GB: 2010 ks->base.speed = SPEED_20000; 2011 break; 2012 case ICE_AQ_LINK_SPEED_10GB: 2013 ks->base.speed = SPEED_10000; 2014 break; 2015 case ICE_AQ_LINK_SPEED_5GB: 2016 ks->base.speed = SPEED_5000; 2017 break; 2018 case ICE_AQ_LINK_SPEED_2500MB: 2019 ks->base.speed = SPEED_2500; 2020 break; 2021 case ICE_AQ_LINK_SPEED_1000MB: 2022 ks->base.speed = SPEED_1000; 2023 break; 2024 case ICE_AQ_LINK_SPEED_100MB: 2025 ks->base.speed = SPEED_100; 2026 break; 2027 default: 2028 netdev_info(netdev, 2029 "WARNING: Unrecognized link_speed (0x%x).\n", 2030 link_info->link_speed); 2031 break; 2032 } 2033 ks->base.duplex = DUPLEX_FULL; 2034 2035 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 2036 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2037 Autoneg); 2038 2039 /* Set flow control negotiated Rx/Tx pause */ 2040 switch (pi->fc.current_mode) { 2041 case ICE_FC_FULL: 2042 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2043 break; 2044 case ICE_FC_TX_PAUSE: 2045 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2046 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2047 Asym_Pause); 2048 break; 2049 case ICE_FC_RX_PAUSE: 2050 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2051 Asym_Pause); 2052 break; 2053 case ICE_FC_PFC: 2054 /* fall through */ 2055 default: 2056 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 2057 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 2058 Asym_Pause); 2059 break; 2060 } 2061 } 2062 2063 /** 2064 * ice_get_settings_link_down - Get the Link settings when link is down 2065 * @ks: ethtool ksettings to fill in 2066 * @netdev: network interface device structure 2067 * 2068 * Reports link settings that can be determined when link is down 2069 */ 2070 static void 2071 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 2072 struct net_device *netdev) 2073 { 2074 /* link is down and the driver needs to fall back on 2075 * supported PHY types to figure out what info to display 2076 */ 2077 ice_phy_type_to_ethtool(netdev, ks); 2078 2079 /* With no link, speed and duplex are unknown */ 2080 ks->base.speed = SPEED_UNKNOWN; 2081 ks->base.duplex = DUPLEX_UNKNOWN; 2082 } 2083 2084 /** 2085 * ice_get_link_ksettings - Get Link Speed and Duplex settings 2086 * @netdev: network interface device structure 2087 * @ks: ethtool ksettings 2088 * 2089 * Reports speed/duplex settings based on media_type 2090 */ 2091 static int 2092 ice_get_link_ksettings(struct net_device *netdev, 2093 struct ethtool_link_ksettings *ks) 2094 { 2095 struct ice_netdev_priv *np = netdev_priv(netdev); 2096 struct ice_aqc_get_phy_caps_data *caps; 2097 struct ice_link_status *hw_link_info; 2098 struct ice_vsi *vsi = np->vsi; 2099 enum ice_status status; 2100 int err = 0; 2101 2102 ethtool_link_ksettings_zero_link_mode(ks, supported); 2103 ethtool_link_ksettings_zero_link_mode(ks, advertising); 2104 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 2105 hw_link_info = &vsi->port_info->phy.link_info; 2106 2107 /* set speed and duplex */ 2108 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 2109 ice_get_settings_link_up(ks, netdev); 2110 else 2111 ice_get_settings_link_down(ks, netdev); 2112 2113 /* set autoneg settings */ 2114 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 2115 AUTONEG_ENABLE : AUTONEG_DISABLE; 2116 2117 /* set media type settings */ 2118 switch (vsi->port_info->phy.media_type) { 2119 case ICE_MEDIA_FIBER: 2120 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2121 ks->base.port = PORT_FIBRE; 2122 break; 2123 case ICE_MEDIA_BASET: 2124 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 2125 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 2126 ks->base.port = PORT_TP; 2127 break; 2128 case ICE_MEDIA_BACKPLANE: 2129 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2130 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 2131 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2132 ethtool_link_ksettings_add_link_mode(ks, advertising, 2133 Backplane); 2134 ks->base.port = PORT_NONE; 2135 break; 2136 case ICE_MEDIA_DA: 2137 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2138 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 2139 ks->base.port = PORT_DA; 2140 break; 2141 default: 2142 ks->base.port = PORT_OTHER; 2143 break; 2144 } 2145 2146 /* flow control is symmetric and always supported */ 2147 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2148 2149 caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL); 2150 if (!caps) 2151 return -ENOMEM; 2152 2153 status = ice_aq_get_phy_caps(vsi->port_info, false, 2154 ICE_AQC_REPORT_SW_CFG, caps, NULL); 2155 if (status) { 2156 err = -EIO; 2157 goto done; 2158 } 2159 2160 /* Set the advertised flow control based on the PHY capability */ 2161 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2162 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2163 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2164 ethtool_link_ksettings_add_link_mode(ks, advertising, 2165 Asym_Pause); 2166 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2167 ethtool_link_ksettings_add_link_mode(ks, advertising, 2168 Asym_Pause); 2169 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2170 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2171 ethtool_link_ksettings_add_link_mode(ks, advertising, 2172 Asym_Pause); 2173 } else { 2174 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2175 ethtool_link_ksettings_del_link_mode(ks, advertising, 2176 Asym_Pause); 2177 } 2178 2179 /* Set advertised FEC modes based on PHY capability */ 2180 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2181 2182 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2183 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2184 ethtool_link_ksettings_add_link_mode(ks, advertising, 2185 FEC_BASER); 2186 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2187 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2188 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2189 2190 status = ice_aq_get_phy_caps(vsi->port_info, false, 2191 ICE_AQC_REPORT_TOPO_CAP, caps, NULL); 2192 if (status) { 2193 err = -EIO; 2194 goto done; 2195 } 2196 2197 /* Set supported FEC modes based on PHY capability */ 2198 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2199 2200 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2201 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2202 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2203 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2204 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2205 2206 done: 2207 devm_kfree(&vsi->back->pdev->dev, caps); 2208 return err; 2209 } 2210 2211 /** 2212 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2213 * @ks: ethtool ksettings 2214 */ 2215 static u16 2216 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2217 { 2218 u16 adv_link_speed = 0; 2219 2220 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2221 100baseT_Full)) 2222 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2223 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2224 1000baseX_Full)) 2225 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2226 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2227 1000baseT_Full) || 2228 ethtool_link_ksettings_test_link_mode(ks, advertising, 2229 1000baseKX_Full)) 2230 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2231 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2232 2500baseT_Full)) 2233 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2234 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2235 2500baseX_Full)) 2236 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2237 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2238 5000baseT_Full)) 2239 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2240 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2241 10000baseT_Full) || 2242 ethtool_link_ksettings_test_link_mode(ks, advertising, 2243 10000baseKR_Full)) 2244 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2245 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2246 10000baseSR_Full) || 2247 ethtool_link_ksettings_test_link_mode(ks, advertising, 2248 10000baseLR_Full)) 2249 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2250 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2251 25000baseCR_Full) || 2252 ethtool_link_ksettings_test_link_mode(ks, advertising, 2253 25000baseSR_Full) || 2254 ethtool_link_ksettings_test_link_mode(ks, advertising, 2255 25000baseKR_Full)) 2256 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2257 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2258 40000baseCR4_Full) || 2259 ethtool_link_ksettings_test_link_mode(ks, advertising, 2260 40000baseSR4_Full) || 2261 ethtool_link_ksettings_test_link_mode(ks, advertising, 2262 40000baseLR4_Full) || 2263 ethtool_link_ksettings_test_link_mode(ks, advertising, 2264 40000baseKR4_Full)) 2265 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2266 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2267 50000baseCR2_Full) || 2268 ethtool_link_ksettings_test_link_mode(ks, advertising, 2269 50000baseKR2_Full)) 2270 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2271 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2272 50000baseSR2_Full)) 2273 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2274 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2275 100000baseCR4_Full) || 2276 ethtool_link_ksettings_test_link_mode(ks, advertising, 2277 100000baseSR4_Full) || 2278 ethtool_link_ksettings_test_link_mode(ks, advertising, 2279 100000baseLR4_ER4_Full) || 2280 ethtool_link_ksettings_test_link_mode(ks, advertising, 2281 100000baseKR4_Full)) 2282 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2283 2284 return adv_link_speed; 2285 } 2286 2287 /** 2288 * ice_setup_autoneg 2289 * @p: port info 2290 * @ks: ethtool_link_ksettings 2291 * @config: configuration that will be sent down to FW 2292 * @autoneg_enabled: autonegotiation is enabled or not 2293 * @autoneg_changed: will there a change in autonegotiation 2294 * @netdev: network interface device structure 2295 * 2296 * Setup PHY autonegotiation feature 2297 */ 2298 static int 2299 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2300 struct ice_aqc_set_phy_cfg_data *config, 2301 u8 autoneg_enabled, u8 *autoneg_changed, 2302 struct net_device *netdev) 2303 { 2304 int err = 0; 2305 2306 *autoneg_changed = 0; 2307 2308 /* Check autoneg */ 2309 if (autoneg_enabled == AUTONEG_ENABLE) { 2310 /* If autoneg was not already enabled */ 2311 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2312 /* If autoneg is not supported, return error */ 2313 if (!ethtool_link_ksettings_test_link_mode(ks, 2314 supported, 2315 Autoneg)) { 2316 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2317 err = -EINVAL; 2318 } else { 2319 /* Autoneg is allowed to change */ 2320 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2321 *autoneg_changed = 1; 2322 } 2323 } 2324 } else { 2325 /* If autoneg is currently enabled */ 2326 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2327 /* If autoneg is supported 10GBASE_T is the only PHY 2328 * that can disable it, so otherwise return error 2329 */ 2330 if (ethtool_link_ksettings_test_link_mode(ks, 2331 supported, 2332 Autoneg)) { 2333 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2334 err = -EINVAL; 2335 } else { 2336 /* Autoneg is allowed to change */ 2337 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2338 *autoneg_changed = 1; 2339 } 2340 } 2341 } 2342 2343 return err; 2344 } 2345 2346 /** 2347 * ice_set_link_ksettings - Set Speed and Duplex 2348 * @netdev: network interface device structure 2349 * @ks: ethtool ksettings 2350 * 2351 * Set speed/duplex per media_types advertised/forced 2352 */ 2353 static int 2354 ice_set_link_ksettings(struct net_device *netdev, 2355 const struct ethtool_link_ksettings *ks) 2356 { 2357 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT, lport = 0; 2358 struct ice_netdev_priv *np = netdev_priv(netdev); 2359 struct ethtool_link_ksettings safe_ks, copy_ks; 2360 struct ice_aqc_get_phy_caps_data *abilities; 2361 u16 adv_link_speed, curr_link_speed, idx; 2362 struct ice_aqc_set_phy_cfg_data config; 2363 struct ice_pf *pf = np->vsi->back; 2364 struct ice_port_info *p; 2365 u8 autoneg_changed = 0; 2366 enum ice_status status; 2367 u64 phy_type_high; 2368 u64 phy_type_low; 2369 int err = 0; 2370 bool linkup; 2371 2372 p = np->vsi->port_info; 2373 2374 if (!p) 2375 return -EOPNOTSUPP; 2376 2377 /* Check if this is LAN VSI */ 2378 ice_for_each_vsi(pf, idx) 2379 if (pf->vsi[idx]->type == ICE_VSI_PF) { 2380 if (np->vsi != pf->vsi[idx]) 2381 return -EOPNOTSUPP; 2382 break; 2383 } 2384 2385 if (p->phy.media_type != ICE_MEDIA_BASET && 2386 p->phy.media_type != ICE_MEDIA_FIBER && 2387 p->phy.media_type != ICE_MEDIA_BACKPLANE && 2388 p->phy.media_type != ICE_MEDIA_DA && 2389 p->phy.link_info.link_info & ICE_AQ_LINK_UP) 2390 return -EOPNOTSUPP; 2391 2392 /* copy the ksettings to copy_ks to avoid modifying the original */ 2393 memcpy(©_ks, ks, sizeof(copy_ks)); 2394 2395 /* save autoneg out of ksettings */ 2396 autoneg = copy_ks.base.autoneg; 2397 2398 memset(&safe_ks, 0, sizeof(safe_ks)); 2399 2400 /* Get link modes supported by hardware.*/ 2401 ice_phy_type_to_ethtool(netdev, &safe_ks); 2402 2403 /* and check against modes requested by user. 2404 * Return an error if unsupported mode was set. 2405 */ 2406 if (!bitmap_subset(copy_ks.link_modes.advertising, 2407 safe_ks.link_modes.supported, 2408 __ETHTOOL_LINK_MODE_MASK_NBITS)) 2409 return -EINVAL; 2410 2411 /* get our own copy of the bits to check against */ 2412 memset(&safe_ks, 0, sizeof(safe_ks)); 2413 safe_ks.base.cmd = copy_ks.base.cmd; 2414 safe_ks.base.link_mode_masks_nwords = 2415 copy_ks.base.link_mode_masks_nwords; 2416 ice_get_link_ksettings(netdev, &safe_ks); 2417 2418 /* set autoneg back to what it currently is */ 2419 copy_ks.base.autoneg = safe_ks.base.autoneg; 2420 /* we don't compare the speed */ 2421 copy_ks.base.speed = safe_ks.base.speed; 2422 2423 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2424 * trying to set something that we do not support. 2425 */ 2426 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) 2427 return -EOPNOTSUPP; 2428 2429 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2430 timeout--; 2431 if (!timeout) 2432 return -EBUSY; 2433 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2434 } 2435 2436 abilities = devm_kzalloc(&pf->pdev->dev, sizeof(*abilities), 2437 GFP_KERNEL); 2438 if (!abilities) 2439 return -ENOMEM; 2440 2441 /* Get the current PHY config */ 2442 status = ice_aq_get_phy_caps(p, false, ICE_AQC_REPORT_SW_CFG, abilities, 2443 NULL); 2444 if (status) { 2445 err = -EAGAIN; 2446 goto done; 2447 } 2448 2449 /* Copy abilities to config in case autoneg is not set below */ 2450 memset(&config, 0, sizeof(config)); 2451 config.caps = abilities->caps & ~ICE_AQC_PHY_AN_MODE; 2452 if (abilities->caps & ICE_AQC_PHY_AN_MODE) 2453 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2454 2455 /* Check autoneg */ 2456 err = ice_setup_autoneg(p, &safe_ks, &config, autoneg, &autoneg_changed, 2457 netdev); 2458 2459 if (err) 2460 goto done; 2461 2462 /* Call to get the current link speed */ 2463 p->phy.get_link_info = true; 2464 status = ice_get_link_status(p, &linkup); 2465 if (status) { 2466 err = -EAGAIN; 2467 goto done; 2468 } 2469 2470 curr_link_speed = p->phy.link_info.link_speed; 2471 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2472 2473 /* If speed didn't get set, set it to what it currently is. 2474 * This is needed because if advertise is 0 (as it is when autoneg 2475 * is disabled) then speed won't get set. 2476 */ 2477 if (!adv_link_speed) 2478 adv_link_speed = curr_link_speed; 2479 2480 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2481 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); 2482 2483 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2484 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2485 goto done; 2486 } 2487 2488 /* copy over the rest of the abilities */ 2489 config.low_power_ctrl = abilities->low_power_ctrl; 2490 config.eee_cap = abilities->eee_cap; 2491 config.eeer_value = abilities->eeer_value; 2492 config.link_fec_opt = abilities->link_fec_options; 2493 2494 /* save the requested speeds */ 2495 p->phy.link_info.req_speeds = adv_link_speed; 2496 2497 /* set link and auto negotiation so changes take effect */ 2498 config.caps |= ICE_AQ_PHY_ENA_LINK; 2499 2500 if (phy_type_low || phy_type_high) { 2501 config.phy_type_high = cpu_to_le64(phy_type_high) & 2502 abilities->phy_type_high; 2503 config.phy_type_low = cpu_to_le64(phy_type_low) & 2504 abilities->phy_type_low; 2505 } else { 2506 err = -EAGAIN; 2507 netdev_info(netdev, "Nothing changed. No PHY_TYPE is corresponded to advertised link speed.\n"); 2508 goto done; 2509 } 2510 2511 /* If link is up put link down */ 2512 if (p->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2513 /* Tell the OS link is going down, the link will go 2514 * back up when fw says it is ready asynchronously 2515 */ 2516 ice_print_link_msg(np->vsi, false); 2517 netif_carrier_off(netdev); 2518 netif_tx_stop_all_queues(netdev); 2519 } 2520 2521 /* make the aq call */ 2522 status = ice_aq_set_phy_cfg(&pf->hw, lport, &config, NULL); 2523 if (status) { 2524 netdev_info(netdev, "Set phy config failed,\n"); 2525 err = -EAGAIN; 2526 } 2527 2528 done: 2529 devm_kfree(&pf->pdev->dev, abilities); 2530 clear_bit(__ICE_CFG_BUSY, pf->state); 2531 2532 return err; 2533 } 2534 2535 /** 2536 * ice_get_rxnfc - command to get Rx flow classification rules 2537 * @netdev: network interface device structure 2538 * @cmd: ethtool rxnfc command 2539 * @rule_locs: buffer to rturn Rx flow classification rules 2540 * 2541 * Returns Success if the command is supported. 2542 */ 2543 static int 2544 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2545 u32 __always_unused *rule_locs) 2546 { 2547 struct ice_netdev_priv *np = netdev_priv(netdev); 2548 struct ice_vsi *vsi = np->vsi; 2549 int ret = -EOPNOTSUPP; 2550 2551 switch (cmd->cmd) { 2552 case ETHTOOL_GRXRINGS: 2553 cmd->data = vsi->rss_size; 2554 ret = 0; 2555 break; 2556 default: 2557 break; 2558 } 2559 2560 return ret; 2561 } 2562 2563 static void 2564 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2565 { 2566 struct ice_netdev_priv *np = netdev_priv(netdev); 2567 struct ice_vsi *vsi = np->vsi; 2568 2569 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2570 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2571 ring->rx_pending = vsi->rx_rings[0]->count; 2572 ring->tx_pending = vsi->tx_rings[0]->count; 2573 2574 /* Rx mini and jumbo rings are not supported */ 2575 ring->rx_mini_max_pending = 0; 2576 ring->rx_jumbo_max_pending = 0; 2577 ring->rx_mini_pending = 0; 2578 ring->rx_jumbo_pending = 0; 2579 } 2580 2581 static int 2582 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2583 { 2584 struct ice_ring *tx_rings = NULL, *rx_rings = NULL; 2585 struct ice_netdev_priv *np = netdev_priv(netdev); 2586 struct ice_ring *xdp_rings = NULL; 2587 struct ice_vsi *vsi = np->vsi; 2588 struct ice_pf *pf = vsi->back; 2589 int i, timeout = 50, err = 0; 2590 u32 new_rx_cnt, new_tx_cnt; 2591 2592 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2593 ring->tx_pending < ICE_MIN_NUM_DESC || 2594 ring->rx_pending > ICE_MAX_NUM_DESC || 2595 ring->rx_pending < ICE_MIN_NUM_DESC) { 2596 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2597 ring->tx_pending, ring->rx_pending, 2598 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2599 ICE_REQ_DESC_MULTIPLE); 2600 return -EINVAL; 2601 } 2602 2603 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2604 if (new_tx_cnt != ring->tx_pending) 2605 netdev_info(netdev, 2606 "Requested Tx descriptor count rounded up to %d\n", 2607 new_tx_cnt); 2608 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2609 if (new_rx_cnt != ring->rx_pending) 2610 netdev_info(netdev, 2611 "Requested Rx descriptor count rounded up to %d\n", 2612 new_rx_cnt); 2613 2614 /* if nothing to do return success */ 2615 if (new_tx_cnt == vsi->tx_rings[0]->count && 2616 new_rx_cnt == vsi->rx_rings[0]->count) { 2617 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2618 return 0; 2619 } 2620 2621 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2622 * disallow changing the number of descriptors -- regardless 2623 * if the netdev is running or not. 2624 */ 2625 if (ice_xsk_any_rx_ring_ena(vsi)) 2626 return -EBUSY; 2627 2628 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2629 timeout--; 2630 if (!timeout) 2631 return -EBUSY; 2632 usleep_range(1000, 2000); 2633 } 2634 2635 /* set for the next time the netdev is started */ 2636 if (!netif_running(vsi->netdev)) { 2637 for (i = 0; i < vsi->alloc_txq; i++) 2638 vsi->tx_rings[i]->count = new_tx_cnt; 2639 for (i = 0; i < vsi->alloc_rxq; i++) 2640 vsi->rx_rings[i]->count = new_rx_cnt; 2641 if (ice_is_xdp_ena_vsi(vsi)) 2642 for (i = 0; i < vsi->num_xdp_txq; i++) 2643 vsi->xdp_rings[i]->count = new_tx_cnt; 2644 vsi->num_tx_desc = new_tx_cnt; 2645 vsi->num_rx_desc = new_rx_cnt; 2646 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2647 goto done; 2648 } 2649 2650 if (new_tx_cnt == vsi->tx_rings[0]->count) 2651 goto process_rx; 2652 2653 /* alloc updated Tx resources */ 2654 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2655 vsi->tx_rings[0]->count, new_tx_cnt); 2656 2657 tx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_txq, 2658 sizeof(*tx_rings), GFP_KERNEL); 2659 if (!tx_rings) { 2660 err = -ENOMEM; 2661 goto done; 2662 } 2663 2664 for (i = 0; i < vsi->alloc_txq; i++) { 2665 /* clone ring and setup updated count */ 2666 tx_rings[i] = *vsi->tx_rings[i]; 2667 tx_rings[i].count = new_tx_cnt; 2668 tx_rings[i].desc = NULL; 2669 tx_rings[i].tx_buf = NULL; 2670 err = ice_setup_tx_ring(&tx_rings[i]); 2671 if (err) { 2672 while (i--) 2673 ice_clean_tx_ring(&tx_rings[i]); 2674 devm_kfree(&pf->pdev->dev, tx_rings); 2675 goto done; 2676 } 2677 } 2678 2679 if (!ice_is_xdp_ena_vsi(vsi)) 2680 goto process_rx; 2681 2682 /* alloc updated XDP resources */ 2683 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2684 vsi->xdp_rings[0]->count, new_tx_cnt); 2685 2686 xdp_rings = devm_kcalloc(&pf->pdev->dev, vsi->num_xdp_txq, 2687 sizeof(*xdp_rings), GFP_KERNEL); 2688 if (!xdp_rings) { 2689 err = -ENOMEM; 2690 goto free_tx; 2691 } 2692 2693 for (i = 0; i < vsi->num_xdp_txq; i++) { 2694 /* clone ring and setup updated count */ 2695 xdp_rings[i] = *vsi->xdp_rings[i]; 2696 xdp_rings[i].count = new_tx_cnt; 2697 xdp_rings[i].desc = NULL; 2698 xdp_rings[i].tx_buf = NULL; 2699 err = ice_setup_tx_ring(&xdp_rings[i]); 2700 if (err) { 2701 while (i--) 2702 ice_clean_tx_ring(&xdp_rings[i]); 2703 devm_kfree(&pf->pdev->dev, xdp_rings); 2704 goto free_tx; 2705 } 2706 ice_set_ring_xdp(&xdp_rings[i]); 2707 } 2708 2709 process_rx: 2710 if (new_rx_cnt == vsi->rx_rings[0]->count) 2711 goto process_link; 2712 2713 /* alloc updated Rx resources */ 2714 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2715 vsi->rx_rings[0]->count, new_rx_cnt); 2716 2717 rx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_rxq, 2718 sizeof(*rx_rings), GFP_KERNEL); 2719 if (!rx_rings) { 2720 err = -ENOMEM; 2721 goto done; 2722 } 2723 2724 for (i = 0; i < vsi->alloc_rxq; i++) { 2725 /* clone ring and setup updated count */ 2726 rx_rings[i] = *vsi->rx_rings[i]; 2727 rx_rings[i].count = new_rx_cnt; 2728 rx_rings[i].desc = NULL; 2729 rx_rings[i].rx_buf = NULL; 2730 /* this is to allow wr32 to have something to write to 2731 * during early allocation of Rx buffers 2732 */ 2733 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2734 2735 err = ice_setup_rx_ring(&rx_rings[i]); 2736 if (err) 2737 goto rx_unwind; 2738 2739 /* allocate Rx buffers */ 2740 err = ice_alloc_rx_bufs(&rx_rings[i], 2741 ICE_DESC_UNUSED(&rx_rings[i])); 2742 rx_unwind: 2743 if (err) { 2744 while (i) { 2745 i--; 2746 ice_free_rx_ring(&rx_rings[i]); 2747 } 2748 devm_kfree(&pf->pdev->dev, rx_rings); 2749 err = -ENOMEM; 2750 goto free_tx; 2751 } 2752 } 2753 2754 process_link: 2755 /* Bring interface down, copy in the new ring info, then restore the 2756 * interface. if VSI is up, bring it down and then back up 2757 */ 2758 if (!test_and_set_bit(__ICE_DOWN, vsi->state)) { 2759 ice_down(vsi); 2760 2761 if (tx_rings) { 2762 for (i = 0; i < vsi->alloc_txq; i++) { 2763 ice_free_tx_ring(vsi->tx_rings[i]); 2764 *vsi->tx_rings[i] = tx_rings[i]; 2765 } 2766 devm_kfree(&pf->pdev->dev, tx_rings); 2767 } 2768 2769 if (rx_rings) { 2770 for (i = 0; i < vsi->alloc_rxq; i++) { 2771 ice_free_rx_ring(vsi->rx_rings[i]); 2772 /* copy the real tail offset */ 2773 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2774 /* this is to fake out the allocation routine 2775 * into thinking it has to realloc everything 2776 * but the recycling logic will let us re-use 2777 * the buffers allocated above 2778 */ 2779 rx_rings[i].next_to_use = 0; 2780 rx_rings[i].next_to_clean = 0; 2781 rx_rings[i].next_to_alloc = 0; 2782 *vsi->rx_rings[i] = rx_rings[i]; 2783 } 2784 devm_kfree(&pf->pdev->dev, rx_rings); 2785 } 2786 2787 if (xdp_rings) { 2788 for (i = 0; i < vsi->num_xdp_txq; i++) { 2789 ice_free_tx_ring(vsi->xdp_rings[i]); 2790 *vsi->xdp_rings[i] = xdp_rings[i]; 2791 } 2792 devm_kfree(&pf->pdev->dev, xdp_rings); 2793 } 2794 2795 vsi->num_tx_desc = new_tx_cnt; 2796 vsi->num_rx_desc = new_rx_cnt; 2797 ice_up(vsi); 2798 } 2799 goto done; 2800 2801 free_tx: 2802 /* error cleanup if the Rx allocations failed after getting Tx */ 2803 if (tx_rings) { 2804 for (i = 0; i < vsi->alloc_txq; i++) 2805 ice_free_tx_ring(&tx_rings[i]); 2806 devm_kfree(&pf->pdev->dev, tx_rings); 2807 } 2808 2809 done: 2810 clear_bit(__ICE_CFG_BUSY, pf->state); 2811 return err; 2812 } 2813 2814 static int ice_nway_reset(struct net_device *netdev) 2815 { 2816 /* restart autonegotiation */ 2817 struct ice_netdev_priv *np = netdev_priv(netdev); 2818 struct ice_vsi *vsi = np->vsi; 2819 struct ice_port_info *pi; 2820 enum ice_status status; 2821 2822 pi = vsi->port_info; 2823 /* If VSI state is up, then restart autoneg with link up */ 2824 if (!test_bit(__ICE_DOWN, vsi->back->state)) 2825 status = ice_aq_set_link_restart_an(pi, true, NULL); 2826 else 2827 status = ice_aq_set_link_restart_an(pi, false, NULL); 2828 2829 if (status) { 2830 netdev_info(netdev, "link restart failed, err %d aq_err %d\n", 2831 status, pi->hw->adminq.sq_last_status); 2832 return -EIO; 2833 } 2834 2835 return 0; 2836 } 2837 2838 /** 2839 * ice_get_pauseparam - Get Flow Control status 2840 * @netdev: network interface device structure 2841 * @pause: ethernet pause (flow control) parameters 2842 * 2843 * Get requested flow control status from PHY capability. 2844 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2845 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2846 * the negotiated Rx/Tx pause via lp_advertising. 2847 */ 2848 static void 2849 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2850 { 2851 struct ice_netdev_priv *np = netdev_priv(netdev); 2852 struct ice_port_info *pi = np->vsi->port_info; 2853 struct ice_aqc_get_phy_caps_data *pcaps; 2854 struct ice_vsi *vsi = np->vsi; 2855 struct ice_dcbx_cfg *dcbx_cfg; 2856 enum ice_status status; 2857 2858 /* Initialize pause params */ 2859 pause->rx_pause = 0; 2860 pause->tx_pause = 0; 2861 2862 dcbx_cfg = &pi->local_dcbx_cfg; 2863 2864 pcaps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*pcaps), 2865 GFP_KERNEL); 2866 if (!pcaps) 2867 return; 2868 2869 /* Get current PHY config */ 2870 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 2871 NULL); 2872 if (status) 2873 goto out; 2874 2875 pause->autoneg = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ? 2876 AUTONEG_ENABLE : AUTONEG_DISABLE); 2877 2878 if (dcbx_cfg->pfc.pfcena) 2879 /* PFC enabled so report LFC as off */ 2880 goto out; 2881 2882 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 2883 pause->tx_pause = 1; 2884 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 2885 pause->rx_pause = 1; 2886 2887 out: 2888 devm_kfree(&vsi->back->pdev->dev, pcaps); 2889 } 2890 2891 /** 2892 * ice_set_pauseparam - Set Flow Control parameter 2893 * @netdev: network interface device structure 2894 * @pause: return Tx/Rx flow control status 2895 */ 2896 static int 2897 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2898 { 2899 struct ice_netdev_priv *np = netdev_priv(netdev); 2900 struct ice_aqc_get_phy_caps_data *pcaps; 2901 struct ice_link_status *hw_link_info; 2902 struct ice_pf *pf = np->vsi->back; 2903 struct ice_dcbx_cfg *dcbx_cfg; 2904 struct ice_vsi *vsi = np->vsi; 2905 struct ice_hw *hw = &pf->hw; 2906 struct ice_port_info *pi; 2907 enum ice_status status; 2908 u8 aq_failures; 2909 bool link_up; 2910 int err = 0; 2911 u32 is_an; 2912 2913 pi = vsi->port_info; 2914 hw_link_info = &pi->phy.link_info; 2915 dcbx_cfg = &pi->local_dcbx_cfg; 2916 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 2917 2918 /* Changing the port's flow control is not supported if this isn't the 2919 * PF VSI 2920 */ 2921 if (vsi->type != ICE_VSI_PF) { 2922 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 2923 return -EOPNOTSUPP; 2924 } 2925 2926 /* Get pause param reports configured and negotiated flow control pause 2927 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 2928 * defined get pause param pause->autoneg reports SW configured setting, 2929 * so compare pause->autoneg with SW configured to prevent the user from 2930 * using set pause param to chance autoneg. 2931 */ 2932 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2933 if (!pcaps) 2934 return -ENOMEM; 2935 2936 /* Get current PHY config */ 2937 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 2938 NULL); 2939 if (status) { 2940 kfree(pcaps); 2941 return -EIO; 2942 } 2943 2944 is_an = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ? 2945 AUTONEG_ENABLE : AUTONEG_DISABLE); 2946 2947 kfree(pcaps); 2948 2949 if (pause->autoneg != is_an) { 2950 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 2951 return -EOPNOTSUPP; 2952 } 2953 2954 /* If we have link and don't have autoneg */ 2955 if (!test_bit(__ICE_DOWN, pf->state) && 2956 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 2957 /* Send message that it might not necessarily work*/ 2958 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 2959 } 2960 2961 if (dcbx_cfg->pfc.pfcena) { 2962 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 2963 return -EOPNOTSUPP; 2964 } 2965 if (pause->rx_pause && pause->tx_pause) 2966 pi->fc.req_mode = ICE_FC_FULL; 2967 else if (pause->rx_pause && !pause->tx_pause) 2968 pi->fc.req_mode = ICE_FC_RX_PAUSE; 2969 else if (!pause->rx_pause && pause->tx_pause) 2970 pi->fc.req_mode = ICE_FC_TX_PAUSE; 2971 else if (!pause->rx_pause && !pause->tx_pause) 2972 pi->fc.req_mode = ICE_FC_NONE; 2973 else 2974 return -EINVAL; 2975 2976 /* Tell the OS link is going down, the link will go back up when fw 2977 * says it is ready asynchronously 2978 */ 2979 ice_print_link_msg(vsi, false); 2980 netif_carrier_off(netdev); 2981 netif_tx_stop_all_queues(netdev); 2982 2983 /* Set the FC mode and only restart AN if link is up */ 2984 status = ice_set_fc(pi, &aq_failures, link_up); 2985 2986 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 2987 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %d\n", 2988 status, hw->adminq.sq_last_status); 2989 err = -EAGAIN; 2990 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 2991 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %d\n", 2992 status, hw->adminq.sq_last_status); 2993 err = -EAGAIN; 2994 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 2995 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %d\n", 2996 status, hw->adminq.sq_last_status); 2997 err = -EAGAIN; 2998 } 2999 3000 if (!test_bit(__ICE_DOWN, pf->state)) { 3001 /* Give it a little more time to try to come back. If still 3002 * down, restart autoneg link or reinitialize the interface. 3003 */ 3004 msleep(75); 3005 if (!test_bit(__ICE_DOWN, pf->state)) 3006 return ice_nway_reset(netdev); 3007 3008 ice_down(vsi); 3009 ice_up(vsi); 3010 } 3011 3012 return err; 3013 } 3014 3015 /** 3016 * ice_get_rxfh_key_size - get the RSS hash key size 3017 * @netdev: network interface device structure 3018 * 3019 * Returns the table size. 3020 */ 3021 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3022 { 3023 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3024 } 3025 3026 /** 3027 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3028 * @netdev: network interface device structure 3029 * 3030 * Returns the table size. 3031 */ 3032 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3033 { 3034 struct ice_netdev_priv *np = netdev_priv(netdev); 3035 3036 return np->vsi->rss_table_size; 3037 } 3038 3039 /** 3040 * ice_get_rxfh - get the Rx flow hash indirection table 3041 * @netdev: network interface device structure 3042 * @indir: indirection table 3043 * @key: hash key 3044 * @hfunc: hash function 3045 * 3046 * Reads the indirection table directly from the hardware. 3047 */ 3048 static int 3049 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3050 { 3051 struct ice_netdev_priv *np = netdev_priv(netdev); 3052 struct ice_vsi *vsi = np->vsi; 3053 struct ice_pf *pf = vsi->back; 3054 int ret = 0, i; 3055 u8 *lut; 3056 3057 if (hfunc) 3058 *hfunc = ETH_RSS_HASH_TOP; 3059 3060 if (!indir) 3061 return 0; 3062 3063 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3064 /* RSS not supported return error here */ 3065 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3066 return -EIO; 3067 } 3068 3069 lut = devm_kzalloc(&pf->pdev->dev, vsi->rss_table_size, GFP_KERNEL); 3070 if (!lut) 3071 return -ENOMEM; 3072 3073 if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) { 3074 ret = -EIO; 3075 goto out; 3076 } 3077 3078 for (i = 0; i < vsi->rss_table_size; i++) 3079 indir[i] = (u32)(lut[i]); 3080 3081 out: 3082 devm_kfree(&pf->pdev->dev, lut); 3083 return ret; 3084 } 3085 3086 /** 3087 * ice_set_rxfh - set the Rx flow hash indirection table 3088 * @netdev: network interface device structure 3089 * @indir: indirection table 3090 * @key: hash key 3091 * @hfunc: hash function 3092 * 3093 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3094 * returns 0 after programming the table. 3095 */ 3096 static int 3097 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3098 const u8 hfunc) 3099 { 3100 struct ice_netdev_priv *np = netdev_priv(netdev); 3101 struct ice_vsi *vsi = np->vsi; 3102 struct ice_pf *pf = vsi->back; 3103 u8 *seed = NULL; 3104 3105 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3106 return -EOPNOTSUPP; 3107 3108 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3109 /* RSS not supported return error here */ 3110 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3111 return -EIO; 3112 } 3113 3114 if (key) { 3115 if (!vsi->rss_hkey_user) { 3116 vsi->rss_hkey_user = 3117 devm_kzalloc(&pf->pdev->dev, 3118 ICE_VSIQF_HKEY_ARRAY_SIZE, 3119 GFP_KERNEL); 3120 if (!vsi->rss_hkey_user) 3121 return -ENOMEM; 3122 } 3123 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3124 seed = vsi->rss_hkey_user; 3125 } 3126 3127 if (!vsi->rss_lut_user) { 3128 vsi->rss_lut_user = devm_kzalloc(&pf->pdev->dev, 3129 vsi->rss_table_size, 3130 GFP_KERNEL); 3131 if (!vsi->rss_lut_user) 3132 return -ENOMEM; 3133 } 3134 3135 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3136 if (indir) { 3137 int i; 3138 3139 for (i = 0; i < vsi->rss_table_size; i++) 3140 vsi->rss_lut_user[i] = (u8)(indir[i]); 3141 } else { 3142 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3143 vsi->rss_size); 3144 } 3145 3146 if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size)) 3147 return -EIO; 3148 3149 return 0; 3150 } 3151 3152 enum ice_container_type { 3153 ICE_RX_CONTAINER, 3154 ICE_TX_CONTAINER, 3155 }; 3156 3157 /** 3158 * ice_get_rc_coalesce - get ITR values for specific ring container 3159 * @ec: ethtool structure to fill with driver's coalesce settings 3160 * @c_type: container type, Rx or Tx 3161 * @rc: ring container that the ITR values will come from 3162 * 3163 * Query the device for ice_ring_container specific ITR values. This is 3164 * done per ice_ring_container because each q_vector can have 1 or more rings 3165 * and all of said ring(s) will have the same ITR values. 3166 * 3167 * Returns 0 on success, negative otherwise. 3168 */ 3169 static int 3170 ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type, 3171 struct ice_ring_container *rc) 3172 { 3173 struct ice_pf *pf; 3174 3175 if (!rc->ring) 3176 return -EINVAL; 3177 3178 pf = rc->ring->vsi->back; 3179 3180 switch (c_type) { 3181 case ICE_RX_CONTAINER: 3182 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3183 ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3184 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl; 3185 break; 3186 case ICE_TX_CONTAINER: 3187 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3188 ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3189 break; 3190 default: 3191 dev_dbg(&pf->pdev->dev, "Invalid c_type %d\n", c_type); 3192 return -EINVAL; 3193 } 3194 3195 return 0; 3196 } 3197 3198 /** 3199 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3200 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3201 * @ec: coalesce settings to program the device with 3202 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3203 * 3204 * Return 0 on success, and negative under the following conditions: 3205 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3206 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3207 */ 3208 static int 3209 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3210 { 3211 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3212 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3213 &vsi->rx_rings[q_num]->q_vector->rx)) 3214 return -EINVAL; 3215 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3216 &vsi->tx_rings[q_num]->q_vector->tx)) 3217 return -EINVAL; 3218 } else if (q_num < vsi->num_rxq) { 3219 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3220 &vsi->rx_rings[q_num]->q_vector->rx)) 3221 return -EINVAL; 3222 } else if (q_num < vsi->num_txq) { 3223 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3224 &vsi->tx_rings[q_num]->q_vector->tx)) 3225 return -EINVAL; 3226 } else { 3227 return -EINVAL; 3228 } 3229 3230 return 0; 3231 } 3232 3233 /** 3234 * __ice_get_coalesce - get ITR/INTRL values for the device 3235 * @netdev: pointer to the netdev associated with this query 3236 * @ec: ethtool structure to fill with driver's coalesce settings 3237 * @q_num: queue number to get the coalesce settings for 3238 * 3239 * If the caller passes in a negative q_num then we return coalesce settings 3240 * based on queue number 0, else use the actual q_num passed in. 3241 */ 3242 static int 3243 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3244 int q_num) 3245 { 3246 struct ice_netdev_priv *np = netdev_priv(netdev); 3247 struct ice_vsi *vsi = np->vsi; 3248 3249 if (q_num < 0) 3250 q_num = 0; 3251 3252 if (ice_get_q_coalesce(vsi, ec, q_num)) 3253 return -EINVAL; 3254 3255 return 0; 3256 } 3257 3258 static int 3259 ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3260 { 3261 return __ice_get_coalesce(netdev, ec, -1); 3262 } 3263 3264 static int 3265 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3266 struct ethtool_coalesce *ec) 3267 { 3268 return __ice_get_coalesce(netdev, ec, q_num); 3269 } 3270 3271 /** 3272 * ice_set_rc_coalesce - set ITR values for specific ring container 3273 * @c_type: container type, Rx or Tx 3274 * @ec: ethtool structure from user to update ITR settings 3275 * @rc: ring container that the ITR values will come from 3276 * @vsi: VSI associated to the ring container 3277 * 3278 * Set specific ITR values. This is done per ice_ring_container because each 3279 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3280 * ITR values. 3281 * 3282 * Returns 0 on success, negative otherwise. 3283 */ 3284 static int 3285 ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, 3286 struct ice_ring_container *rc, struct ice_vsi *vsi) 3287 { 3288 const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3289 u32 use_adaptive_coalesce, coalesce_usecs; 3290 struct ice_pf *pf = vsi->back; 3291 u16 itr_setting; 3292 3293 if (!rc->ring) 3294 return -EINVAL; 3295 3296 switch (c_type) { 3297 case ICE_RX_CONTAINER: 3298 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3299 (ec->rx_coalesce_usecs_high && 3300 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3301 netdev_info(vsi->netdev, 3302 "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3303 c_type_str, pf->hw.intrl_gran, 3304 ICE_MAX_INTRL); 3305 return -EINVAL; 3306 } 3307 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) { 3308 rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high; 3309 wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx), 3310 ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high, 3311 pf->hw.intrl_gran)); 3312 } 3313 3314 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3315 coalesce_usecs = ec->rx_coalesce_usecs; 3316 3317 break; 3318 case ICE_TX_CONTAINER: 3319 if (ec->tx_coalesce_usecs_high) { 3320 netdev_info(vsi->netdev, 3321 "setting %s-usecs-high is not supported\n", 3322 c_type_str); 3323 return -EINVAL; 3324 } 3325 3326 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3327 coalesce_usecs = ec->tx_coalesce_usecs; 3328 3329 break; 3330 default: 3331 dev_dbg(&pf->pdev->dev, "Invalid container type %d\n", c_type); 3332 return -EINVAL; 3333 } 3334 3335 itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3336 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3337 netdev_info(vsi->netdev, 3338 "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3339 c_type_str, c_type_str); 3340 return -EINVAL; 3341 } 3342 3343 if (coalesce_usecs > ICE_ITR_MAX) { 3344 netdev_info(vsi->netdev, 3345 "Invalid value, %s-usecs range is 0-%d\n", 3346 c_type_str, ICE_ITR_MAX); 3347 return -EINVAL; 3348 } 3349 3350 /* hardware only supports an ITR granularity of 2us */ 3351 if (coalesce_usecs % 2 != 0) { 3352 netdev_info(vsi->netdev, 3353 "Invalid value, %s-usecs must be even\n", 3354 c_type_str); 3355 return -EINVAL; 3356 } 3357 3358 if (use_adaptive_coalesce) { 3359 rc->itr_setting |= ICE_ITR_DYNAMIC; 3360 } else { 3361 /* store user facing value how it was set */ 3362 rc->itr_setting = coalesce_usecs; 3363 /* set to static and convert to value HW understands */ 3364 rc->target_itr = 3365 ITR_TO_REG(ITR_REG_ALIGN(rc->itr_setting)); 3366 } 3367 3368 return 0; 3369 } 3370 3371 /** 3372 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3373 * @vsi: VSI associated to the queue that need updating 3374 * @ec: coalesce settings to program the device with 3375 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3376 * 3377 * Return 0 on success, and negative under the following conditions: 3378 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3379 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3380 */ 3381 static int 3382 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3383 { 3384 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3385 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3386 &vsi->rx_rings[q_num]->q_vector->rx, 3387 vsi)) 3388 return -EINVAL; 3389 3390 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3391 &vsi->tx_rings[q_num]->q_vector->tx, 3392 vsi)) 3393 return -EINVAL; 3394 } else if (q_num < vsi->num_rxq) { 3395 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3396 &vsi->rx_rings[q_num]->q_vector->rx, 3397 vsi)) 3398 return -EINVAL; 3399 } else if (q_num < vsi->num_txq) { 3400 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3401 &vsi->tx_rings[q_num]->q_vector->tx, 3402 vsi)) 3403 return -EINVAL; 3404 } else { 3405 return -EINVAL; 3406 } 3407 3408 return 0; 3409 } 3410 3411 /** 3412 * __ice_set_coalesce - set ITR/INTRL values for the device 3413 * @netdev: pointer to the netdev associated with this query 3414 * @ec: ethtool structure to fill with driver's coalesce settings 3415 * @q_num: queue number to get the coalesce settings for 3416 * 3417 * If the caller passes in a negative q_num then we set the coalesce settings 3418 * for all Tx/Rx queues, else use the actual q_num passed in. 3419 */ 3420 static int 3421 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3422 int q_num) 3423 { 3424 struct ice_netdev_priv *np = netdev_priv(netdev); 3425 struct ice_vsi *vsi = np->vsi; 3426 3427 if (q_num < 0) { 3428 int i; 3429 3430 ice_for_each_q_vector(vsi, i) { 3431 if (ice_set_q_coalesce(vsi, ec, i)) 3432 return -EINVAL; 3433 } 3434 goto set_complete; 3435 } 3436 3437 if (ice_set_q_coalesce(vsi, ec, q_num)) 3438 return -EINVAL; 3439 3440 set_complete: 3441 3442 return 0; 3443 } 3444 3445 static int 3446 ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3447 { 3448 return __ice_set_coalesce(netdev, ec, -1); 3449 } 3450 3451 static int 3452 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3453 struct ethtool_coalesce *ec) 3454 { 3455 return __ice_set_coalesce(netdev, ec, q_num); 3456 } 3457 3458 static const struct ethtool_ops ice_ethtool_ops = { 3459 .get_link_ksettings = ice_get_link_ksettings, 3460 .set_link_ksettings = ice_set_link_ksettings, 3461 .get_drvinfo = ice_get_drvinfo, 3462 .get_regs_len = ice_get_regs_len, 3463 .get_regs = ice_get_regs, 3464 .get_msglevel = ice_get_msglevel, 3465 .set_msglevel = ice_set_msglevel, 3466 .self_test = ice_self_test, 3467 .get_link = ethtool_op_get_link, 3468 .get_eeprom_len = ice_get_eeprom_len, 3469 .get_eeprom = ice_get_eeprom, 3470 .get_coalesce = ice_get_coalesce, 3471 .set_coalesce = ice_set_coalesce, 3472 .get_strings = ice_get_strings, 3473 .set_phys_id = ice_set_phys_id, 3474 .get_ethtool_stats = ice_get_ethtool_stats, 3475 .get_priv_flags = ice_get_priv_flags, 3476 .set_priv_flags = ice_set_priv_flags, 3477 .get_sset_count = ice_get_sset_count, 3478 .get_rxnfc = ice_get_rxnfc, 3479 .get_ringparam = ice_get_ringparam, 3480 .set_ringparam = ice_set_ringparam, 3481 .nway_reset = ice_nway_reset, 3482 .get_pauseparam = ice_get_pauseparam, 3483 .set_pauseparam = ice_set_pauseparam, 3484 .get_rxfh_key_size = ice_get_rxfh_key_size, 3485 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 3486 .get_rxfh = ice_get_rxfh, 3487 .set_rxfh = ice_set_rxfh, 3488 .get_ts_info = ethtool_op_get_ts_info, 3489 .get_per_queue_coalesce = ice_get_per_q_coalesce, 3490 .set_per_queue_coalesce = ice_set_per_q_coalesce, 3491 .get_fecparam = ice_get_fecparam, 3492 .set_fecparam = ice_set_fecparam, 3493 }; 3494 3495 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 3496 .get_link_ksettings = ice_get_link_ksettings, 3497 .set_link_ksettings = ice_set_link_ksettings, 3498 .get_drvinfo = ice_get_drvinfo, 3499 .get_regs_len = ice_get_regs_len, 3500 .get_regs = ice_get_regs, 3501 .get_msglevel = ice_get_msglevel, 3502 .set_msglevel = ice_set_msglevel, 3503 .get_eeprom_len = ice_get_eeprom_len, 3504 .get_eeprom = ice_get_eeprom, 3505 .get_strings = ice_get_strings, 3506 .get_ethtool_stats = ice_get_ethtool_stats, 3507 .get_sset_count = ice_get_sset_count, 3508 .get_ringparam = ice_get_ringparam, 3509 .set_ringparam = ice_set_ringparam, 3510 .nway_reset = ice_nway_reset, 3511 }; 3512 3513 /** 3514 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 3515 * @netdev: network interface device structure 3516 */ 3517 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 3518 { 3519 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 3520 } 3521 3522 /** 3523 * ice_set_ethtool_ops - setup netdev ethtool ops 3524 * @netdev: network interface device structure 3525 * 3526 * setup netdev ethtool ops with ice specific ops 3527 */ 3528 void ice_set_ethtool_ops(struct net_device *netdev) 3529 { 3530 netdev->ethtool_ops = &ice_ethtool_ops; 3531 } 3532