1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 /* ethtool support for ice */ 5 6 #include "ice.h" 7 #include "ice_lib.h" 8 #include "ice_dcb_lib.h" 9 10 struct ice_stats { 11 char stat_string[ETH_GSTRING_LEN]; 12 int sizeof_stat; 13 int stat_offset; 14 }; 15 16 #define ICE_STAT(_type, _name, _stat) { \ 17 .stat_string = _name, \ 18 .sizeof_stat = FIELD_SIZEOF(_type, _stat), \ 19 .stat_offset = offsetof(_type, _stat) \ 20 } 21 22 #define ICE_VSI_STAT(_name, _stat) \ 23 ICE_STAT(struct ice_vsi, _name, _stat) 24 #define ICE_PF_STAT(_name, _stat) \ 25 ICE_STAT(struct ice_pf, _name, _stat) 26 27 static int ice_q_stats_len(struct net_device *netdev) 28 { 29 struct ice_netdev_priv *np = netdev_priv(netdev); 30 31 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 32 (sizeof(struct ice_q_stats) / sizeof(u64))); 33 } 34 35 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 36 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 37 38 #define ICE_PFC_STATS_LEN ( \ 39 (FIELD_SIZEOF(struct ice_pf, stats.priority_xoff_rx) + \ 40 FIELD_SIZEOF(struct ice_pf, stats.priority_xon_rx) + \ 41 FIELD_SIZEOF(struct ice_pf, stats.priority_xoff_tx) + \ 42 FIELD_SIZEOF(struct ice_pf, stats.priority_xon_tx)) \ 43 / sizeof(u64)) 44 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 45 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 46 47 static const struct ice_stats ice_gstrings_vsi_stats[] = { 48 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 49 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 50 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 51 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 52 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 53 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 54 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 55 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 56 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 57 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 58 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 59 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 60 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 61 ICE_VSI_STAT("tx_linearize", tx_linearize), 62 }; 63 64 enum ice_ethtool_test_id { 65 ICE_ETH_TEST_REG = 0, 66 ICE_ETH_TEST_EEPROM, 67 ICE_ETH_TEST_INTR, 68 ICE_ETH_TEST_LOOP, 69 ICE_ETH_TEST_LINK, 70 }; 71 72 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 73 "Register test (offline)", 74 "EEPROM test (offline)", 75 "Interrupt test (offline)", 76 "Loopback test (offline)", 77 "Link test (on/offline)", 78 }; 79 80 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 81 82 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 83 * but they aren't. This device is capable of supporting multiple 84 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 85 * netdevs whereas the PF_STATs are for the physical function that's 86 * hosting these netdevs. 87 * 88 * The PF_STATs are appended to the netdev stats only when ethtool -S 89 * is queried on the base PF netdev. 90 */ 91 static const struct ice_stats ice_gstrings_pf_stats[] = { 92 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 93 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 94 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 95 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 96 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 97 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 98 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 99 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 100 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 101 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 102 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 103 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 104 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 105 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 106 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 107 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 108 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 109 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 110 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 111 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 112 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 113 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 114 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 115 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 116 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 117 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 118 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 119 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 120 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 121 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 122 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 123 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 124 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 125 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors), 126 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 127 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 128 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 129 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 130 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 131 }; 132 133 static const u32 ice_regs_dump_list[] = { 134 PFGEN_STATE, 135 PRTGEN_STATUS, 136 QRX_CTRL(0), 137 QINT_TQCTL(0), 138 QINT_RQCTL(0), 139 PFINT_OICR_ENA, 140 QRX_ITR(0), 141 PF0INT_ITR_0(0), 142 PF0INT_ITR_1(0), 143 PF0INT_ITR_2(0), 144 }; 145 146 struct ice_priv_flag { 147 char name[ETH_GSTRING_LEN]; 148 u32 bitno; /* bit position in pf->flags */ 149 }; 150 151 #define ICE_PRIV_FLAG(_name, _bitno) { \ 152 .name = _name, \ 153 .bitno = _bitno, \ 154 } 155 156 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 157 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 158 ICE_PRIV_FLAG("enable-fw-lldp", ICE_FLAG_ENABLE_FW_LLDP), 159 }; 160 161 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 162 163 /** 164 * ice_nvm_version_str - format the NVM version strings 165 * @hw: ptr to the hardware info 166 */ 167 static char *ice_nvm_version_str(struct ice_hw *hw) 168 { 169 static char buf[ICE_ETHTOOL_FWVER_LEN]; 170 u8 ver, patch; 171 u32 full_ver; 172 u16 build; 173 174 full_ver = hw->nvm.oem_ver; 175 ver = (u8)((full_ver & ICE_OEM_VER_MASK) >> ICE_OEM_VER_SHIFT); 176 build = (u16)((full_ver & ICE_OEM_VER_BUILD_MASK) >> 177 ICE_OEM_VER_BUILD_SHIFT); 178 patch = (u8)(full_ver & ICE_OEM_VER_PATCH_MASK); 179 180 snprintf(buf, sizeof(buf), "%x.%02x 0x%x %d.%d.%d", 181 (hw->nvm.ver & ICE_NVM_VER_HI_MASK) >> ICE_NVM_VER_HI_SHIFT, 182 (hw->nvm.ver & ICE_NVM_VER_LO_MASK) >> ICE_NVM_VER_LO_SHIFT, 183 hw->nvm.eetrack, ver, build, patch); 184 185 return buf; 186 } 187 188 static void 189 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 190 { 191 struct ice_netdev_priv *np = netdev_priv(netdev); 192 struct ice_vsi *vsi = np->vsi; 193 struct ice_pf *pf = vsi->back; 194 195 strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 196 strlcpy(drvinfo->version, ice_drv_ver, sizeof(drvinfo->version)); 197 strlcpy(drvinfo->fw_version, ice_nvm_version_str(&pf->hw), 198 sizeof(drvinfo->fw_version)); 199 strlcpy(drvinfo->bus_info, pci_name(pf->pdev), 200 sizeof(drvinfo->bus_info)); 201 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 202 } 203 204 static int ice_get_regs_len(struct net_device __always_unused *netdev) 205 { 206 return sizeof(ice_regs_dump_list); 207 } 208 209 static void 210 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 211 { 212 struct ice_netdev_priv *np = netdev_priv(netdev); 213 struct ice_pf *pf = np->vsi->back; 214 struct ice_hw *hw = &pf->hw; 215 u32 *regs_buf = (u32 *)p; 216 int i; 217 218 regs->version = 1; 219 220 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 221 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 222 } 223 224 static u32 ice_get_msglevel(struct net_device *netdev) 225 { 226 struct ice_netdev_priv *np = netdev_priv(netdev); 227 struct ice_pf *pf = np->vsi->back; 228 229 #ifndef CONFIG_DYNAMIC_DEBUG 230 if (pf->hw.debug_mask) 231 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 232 pf->hw.debug_mask); 233 #endif /* !CONFIG_DYNAMIC_DEBUG */ 234 235 return pf->msg_enable; 236 } 237 238 static void ice_set_msglevel(struct net_device *netdev, u32 data) 239 { 240 struct ice_netdev_priv *np = netdev_priv(netdev); 241 struct ice_pf *pf = np->vsi->back; 242 243 #ifndef CONFIG_DYNAMIC_DEBUG 244 if (ICE_DBG_USER & data) 245 pf->hw.debug_mask = data; 246 else 247 pf->msg_enable = data; 248 #else 249 pf->msg_enable = data; 250 #endif /* !CONFIG_DYNAMIC_DEBUG */ 251 } 252 253 static int ice_get_eeprom_len(struct net_device *netdev) 254 { 255 struct ice_netdev_priv *np = netdev_priv(netdev); 256 struct ice_pf *pf = np->vsi->back; 257 258 return (int)(pf->hw.nvm.sr_words * sizeof(u16)); 259 } 260 261 static int 262 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 263 u8 *bytes) 264 { 265 struct ice_netdev_priv *np = netdev_priv(netdev); 266 u16 first_word, last_word, nwords; 267 struct ice_vsi *vsi = np->vsi; 268 struct ice_pf *pf = vsi->back; 269 struct ice_hw *hw = &pf->hw; 270 enum ice_status status; 271 struct device *dev; 272 int ret = 0; 273 u16 *buf; 274 275 dev = &pf->pdev->dev; 276 277 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 278 279 first_word = eeprom->offset >> 1; 280 last_word = (eeprom->offset + eeprom->len - 1) >> 1; 281 nwords = last_word - first_word + 1; 282 283 buf = devm_kcalloc(dev, nwords, sizeof(u16), GFP_KERNEL); 284 if (!buf) 285 return -ENOMEM; 286 287 status = ice_read_sr_buf(hw, first_word, &nwords, buf); 288 if (status) { 289 dev_err(dev, "ice_read_sr_buf failed, err %d aq_err %d\n", 290 status, hw->adminq.sq_last_status); 291 eeprom->len = sizeof(u16) * nwords; 292 ret = -EIO; 293 goto out; 294 } 295 296 memcpy(bytes, (u8 *)buf + (eeprom->offset & 1), eeprom->len); 297 out: 298 devm_kfree(dev, buf); 299 return ret; 300 } 301 302 /** 303 * ice_active_vfs - check if there are any active VFs 304 * @pf: board private structure 305 * 306 * Returns true if an active VF is found, otherwise returns false 307 */ 308 static bool ice_active_vfs(struct ice_pf *pf) 309 { 310 struct ice_vf *vf = pf->vf; 311 int i; 312 313 for (i = 0; i < pf->num_alloc_vfs; i++, vf++) 314 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) 315 return true; 316 return false; 317 } 318 319 /** 320 * ice_link_test - perform a link test on a given net_device 321 * @netdev: network interface device structure 322 * 323 * This function performs one of the self-tests required by ethtool. 324 * Returns 0 on success, non-zero on failure. 325 */ 326 static u64 ice_link_test(struct net_device *netdev) 327 { 328 struct ice_netdev_priv *np = netdev_priv(netdev); 329 enum ice_status status; 330 bool link_up = false; 331 332 netdev_info(netdev, "link test\n"); 333 status = ice_get_link_status(np->vsi->port_info, &link_up); 334 if (status) { 335 netdev_err(netdev, "link query error, status = %d\n", status); 336 return 1; 337 } 338 339 if (!link_up) 340 return 2; 341 342 return 0; 343 } 344 345 /** 346 * ice_eeprom_test - perform an EEPROM test on a given net_device 347 * @netdev: network interface device structure 348 * 349 * This function performs one of the self-tests required by ethtool. 350 * Returns 0 on success, non-zero on failure. 351 */ 352 static u64 ice_eeprom_test(struct net_device *netdev) 353 { 354 struct ice_netdev_priv *np = netdev_priv(netdev); 355 struct ice_pf *pf = np->vsi->back; 356 357 netdev_info(netdev, "EEPROM test\n"); 358 return !!(ice_nvm_validate_checksum(&pf->hw)); 359 } 360 361 /** 362 * ice_reg_pattern_test 363 * @hw: pointer to the HW struct 364 * @reg: reg to be tested 365 * @mask: bits to be touched 366 */ 367 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 368 { 369 struct ice_pf *pf = (struct ice_pf *)hw->back; 370 static const u32 patterns[] = { 371 0x5A5A5A5A, 0xA5A5A5A5, 372 0x00000000, 0xFFFFFFFF 373 }; 374 u32 val, orig_val; 375 int i; 376 377 orig_val = rd32(hw, reg); 378 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 379 u32 pattern = patterns[i] & mask; 380 381 wr32(hw, reg, pattern); 382 val = rd32(hw, reg); 383 if (val == pattern) 384 continue; 385 dev_err(&pf->pdev->dev, 386 "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 387 , __func__, reg, pattern, val); 388 return 1; 389 } 390 391 wr32(hw, reg, orig_val); 392 val = rd32(hw, reg); 393 if (val != orig_val) { 394 dev_err(&pf->pdev->dev, 395 "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 396 , __func__, reg, orig_val, val); 397 return 1; 398 } 399 400 return 0; 401 } 402 403 /** 404 * ice_reg_test - perform a register test on a given net_device 405 * @netdev: network interface device structure 406 * 407 * This function performs one of the self-tests required by ethtool. 408 * Returns 0 on success, non-zero on failure. 409 */ 410 static u64 ice_reg_test(struct net_device *netdev) 411 { 412 struct ice_netdev_priv *np = netdev_priv(netdev); 413 struct ice_hw *hw = np->vsi->port_info->hw; 414 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 415 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 416 struct ice_diag_reg_test_info { 417 u32 address; 418 u32 mask; 419 u32 elem_num; 420 u32 elem_size; 421 } ice_reg_list[] = { 422 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 423 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 424 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 425 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 426 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 427 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 428 {GLINT_CTL, 0xffff0001, 1, 0} 429 }; 430 int i; 431 432 netdev_dbg(netdev, "Register test\n"); 433 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 434 u32 j; 435 436 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 437 u32 mask = ice_reg_list[i].mask; 438 u32 reg = ice_reg_list[i].address + 439 (j * ice_reg_list[i].elem_size); 440 441 /* bail on failure (non-zero return) */ 442 if (ice_reg_pattern_test(hw, reg, mask)) 443 return 1; 444 } 445 } 446 447 return 0; 448 } 449 450 /** 451 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 452 * @vsi: pointer to the VSI structure 453 * 454 * Function configures rings of a VSI for loopback test without 455 * enabling interrupts or informing the kernel about new queues. 456 * 457 * Returns 0 on success, negative on failure. 458 */ 459 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 460 { 461 int status; 462 463 status = ice_vsi_setup_tx_rings(vsi); 464 if (status) 465 goto err_setup_tx_ring; 466 467 status = ice_vsi_setup_rx_rings(vsi); 468 if (status) 469 goto err_setup_rx_ring; 470 471 status = ice_vsi_cfg(vsi); 472 if (status) 473 goto err_setup_rx_ring; 474 475 status = ice_vsi_start_rx_rings(vsi); 476 if (status) 477 goto err_start_rx_ring; 478 479 return status; 480 481 err_start_rx_ring: 482 ice_vsi_free_rx_rings(vsi); 483 err_setup_rx_ring: 484 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 485 err_setup_tx_ring: 486 ice_vsi_free_tx_rings(vsi); 487 488 return status; 489 } 490 491 /** 492 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 493 * @vsi: pointer to the VSI structure 494 * 495 * Function stops and frees VSI rings after a loopback test. 496 * Returns 0 on success, negative on failure. 497 */ 498 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 499 { 500 int status; 501 502 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 503 if (status) 504 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 505 vsi->vsi_num, status); 506 507 status = ice_vsi_stop_rx_rings(vsi); 508 if (status) 509 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 510 vsi->vsi_num, status); 511 512 ice_vsi_free_tx_rings(vsi); 513 ice_vsi_free_rx_rings(vsi); 514 515 return status; 516 } 517 518 /** 519 * ice_lbtest_create_frame - create test packet 520 * @pf: pointer to the PF structure 521 * @ret_data: allocated frame buffer 522 * @size: size of the packet data 523 * 524 * Function allocates a frame with a test pattern on specific offsets. 525 * Returns 0 on success, non-zero on failure. 526 */ 527 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 528 { 529 u8 *data; 530 531 if (!pf) 532 return -EINVAL; 533 534 data = devm_kzalloc(&pf->pdev->dev, size, GFP_KERNEL); 535 if (!data) 536 return -ENOMEM; 537 538 /* Since the ethernet test frame should always be at least 539 * 64 bytes long, fill some octets in the payload with test data. 540 */ 541 memset(data, 0xFF, size); 542 data[32] = 0xDE; 543 data[42] = 0xAD; 544 data[44] = 0xBE; 545 data[46] = 0xEF; 546 547 *ret_data = data; 548 549 return 0; 550 } 551 552 /** 553 * ice_lbtest_check_frame - verify received loopback frame 554 * @frame: pointer to the raw packet data 555 * 556 * Function verifies received test frame with a pattern. 557 * Returns true if frame matches the pattern, false otherwise. 558 */ 559 static bool ice_lbtest_check_frame(u8 *frame) 560 { 561 /* Validate bytes of a frame under offsets chosen earlier */ 562 if (frame[32] == 0xDE && 563 frame[42] == 0xAD && 564 frame[44] == 0xBE && 565 frame[46] == 0xEF && 566 frame[48] == 0xFF) 567 return true; 568 569 return false; 570 } 571 572 /** 573 * ice_diag_send - send test frames to the test ring 574 * @tx_ring: pointer to the transmit ring 575 * @data: pointer to the raw packet data 576 * @size: size of the packet to send 577 * 578 * Function sends loopback packets on a test Tx ring. 579 */ 580 static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size) 581 { 582 struct ice_tx_desc *tx_desc; 583 struct ice_tx_buf *tx_buf; 584 dma_addr_t dma; 585 u64 td_cmd; 586 587 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 588 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 589 590 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 591 if (dma_mapping_error(tx_ring->dev, dma)) 592 return -EINVAL; 593 594 tx_desc->buf_addr = cpu_to_le64(dma); 595 596 /* These flags are required for a descriptor to be pushed out */ 597 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 598 tx_desc->cmd_type_offset_bsz = 599 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 600 (td_cmd << ICE_TXD_QW1_CMD_S) | 601 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 602 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 603 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 604 605 tx_buf->next_to_watch = tx_desc; 606 607 /* Force memory write to complete before letting h/w know 608 * there are new descriptors to fetch. 609 */ 610 wmb(); 611 612 tx_ring->next_to_use++; 613 if (tx_ring->next_to_use >= tx_ring->count) 614 tx_ring->next_to_use = 0; 615 616 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 617 618 /* Wait until the packets get transmitted to the receive queue. */ 619 usleep_range(1000, 2000); 620 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 621 622 return 0; 623 } 624 625 #define ICE_LB_FRAME_SIZE 64 626 /** 627 * ice_lbtest_receive_frames - receive and verify test frames 628 * @rx_ring: pointer to the receive ring 629 * 630 * Function receives loopback packets and verify their correctness. 631 * Returns number of received valid frames. 632 */ 633 static int ice_lbtest_receive_frames(struct ice_ring *rx_ring) 634 { 635 struct ice_rx_buf *rx_buf; 636 int valid_frames, i; 637 u8 *received_buf; 638 639 valid_frames = 0; 640 641 for (i = 0; i < rx_ring->count; i++) { 642 union ice_32b_rx_flex_desc *rx_desc; 643 644 rx_desc = ICE_RX_DESC(rx_ring, i); 645 646 if (!(rx_desc->wb.status_error0 & 647 cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS))) 648 continue; 649 650 rx_buf = &rx_ring->rx_buf[i]; 651 received_buf = page_address(rx_buf->page); 652 653 if (ice_lbtest_check_frame(received_buf)) 654 valid_frames++; 655 } 656 657 return valid_frames; 658 } 659 660 /** 661 * ice_loopback_test - perform a loopback test on a given net_device 662 * @netdev: network interface device structure 663 * 664 * This function performs one of the self-tests required by ethtool. 665 * Returns 0 on success, non-zero on failure. 666 */ 667 static u64 ice_loopback_test(struct net_device *netdev) 668 { 669 struct ice_netdev_priv *np = netdev_priv(netdev); 670 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 671 struct ice_pf *pf = orig_vsi->back; 672 struct ice_ring *tx_ring, *rx_ring; 673 u8 broadcast[ETH_ALEN], ret = 0; 674 int num_frames, valid_frames; 675 LIST_HEAD(tmp_list); 676 u8 *tx_frame; 677 int i; 678 679 netdev_info(netdev, "loopback test\n"); 680 681 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 682 if (!test_vsi) { 683 netdev_err(netdev, "Failed to create a VSI for the loopback test"); 684 return 1; 685 } 686 687 test_vsi->netdev = netdev; 688 tx_ring = test_vsi->tx_rings[0]; 689 rx_ring = test_vsi->rx_rings[0]; 690 691 if (ice_lbtest_prepare_rings(test_vsi)) { 692 ret = 2; 693 goto lbtest_vsi_close; 694 } 695 696 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 697 ret = 3; 698 goto lbtest_rings_dis; 699 } 700 701 /* Enable MAC loopback in firmware */ 702 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 703 ret = 4; 704 goto lbtest_mac_dis; 705 } 706 707 /* Test VSI needs to receive broadcast packets */ 708 eth_broadcast_addr(broadcast); 709 if (ice_add_mac_to_list(test_vsi, &tmp_list, broadcast)) { 710 ret = 5; 711 goto lbtest_mac_dis; 712 } 713 714 if (ice_add_mac(&pf->hw, &tmp_list)) { 715 ret = 6; 716 goto free_mac_list; 717 } 718 719 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 720 ret = 7; 721 goto remove_mac_filters; 722 } 723 724 num_frames = min_t(int, tx_ring->count, 32); 725 for (i = 0; i < num_frames; i++) { 726 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 727 ret = 8; 728 goto lbtest_free_frame; 729 } 730 } 731 732 valid_frames = ice_lbtest_receive_frames(rx_ring); 733 if (!valid_frames) 734 ret = 9; 735 else if (valid_frames != num_frames) 736 ret = 10; 737 738 lbtest_free_frame: 739 devm_kfree(&pf->pdev->dev, tx_frame); 740 remove_mac_filters: 741 if (ice_remove_mac(&pf->hw, &tmp_list)) 742 netdev_err(netdev, "Could not remove MAC filter for the test VSI"); 743 free_mac_list: 744 ice_free_fltr_list(&pf->pdev->dev, &tmp_list); 745 lbtest_mac_dis: 746 /* Disable MAC loopback after the test is completed. */ 747 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 748 netdev_err(netdev, "Could not disable MAC loopback\n"); 749 lbtest_rings_dis: 750 if (ice_lbtest_disable_rings(test_vsi)) 751 netdev_err(netdev, "Could not disable test rings\n"); 752 lbtest_vsi_close: 753 test_vsi->netdev = NULL; 754 if (ice_vsi_release(test_vsi)) 755 netdev_err(netdev, "Failed to remove the test VSI"); 756 757 return ret; 758 } 759 760 /** 761 * ice_intr_test - perform an interrupt test on a given net_device 762 * @netdev: network interface device structure 763 * 764 * This function performs one of the self-tests required by ethtool. 765 * Returns 0 on success, non-zero on failure. 766 */ 767 static u64 ice_intr_test(struct net_device *netdev) 768 { 769 struct ice_netdev_priv *np = netdev_priv(netdev); 770 struct ice_pf *pf = np->vsi->back; 771 u16 swic_old = pf->sw_int_count; 772 773 netdev_info(netdev, "interrupt test\n"); 774 775 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 776 GLINT_DYN_CTL_SW_ITR_INDX_M | 777 GLINT_DYN_CTL_INTENA_MSK_M | 778 GLINT_DYN_CTL_SWINT_TRIG_M); 779 780 usleep_range(1000, 2000); 781 return (swic_old == pf->sw_int_count); 782 } 783 784 /** 785 * ice_self_test - handler function for performing a self-test by ethtool 786 * @netdev: network interface device structure 787 * @eth_test: ethtool_test structure 788 * @data: required by ethtool.self_test 789 * 790 * This function is called after invoking 'ethtool -t devname' command where 791 * devname is the name of the network device on which ethtool should operate. 792 * It performs a set of self-tests to check if a device works properly. 793 */ 794 static void 795 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 796 u64 *data) 797 { 798 struct ice_netdev_priv *np = netdev_priv(netdev); 799 bool if_running = netif_running(netdev); 800 struct ice_pf *pf = np->vsi->back; 801 802 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 803 netdev_info(netdev, "offline testing starting\n"); 804 805 set_bit(__ICE_TESTING, pf->state); 806 807 if (ice_active_vfs(pf)) { 808 dev_warn(&pf->pdev->dev, 809 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 810 data[ICE_ETH_TEST_REG] = 1; 811 data[ICE_ETH_TEST_EEPROM] = 1; 812 data[ICE_ETH_TEST_INTR] = 1; 813 data[ICE_ETH_TEST_LOOP] = 1; 814 data[ICE_ETH_TEST_LINK] = 1; 815 eth_test->flags |= ETH_TEST_FL_FAILED; 816 clear_bit(__ICE_TESTING, pf->state); 817 goto skip_ol_tests; 818 } 819 /* If the device is online then take it offline */ 820 if (if_running) 821 /* indicate we're in test mode */ 822 ice_stop(netdev); 823 824 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 825 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 826 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 827 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 828 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 829 830 if (data[ICE_ETH_TEST_LINK] || 831 data[ICE_ETH_TEST_EEPROM] || 832 data[ICE_ETH_TEST_LOOP] || 833 data[ICE_ETH_TEST_INTR] || 834 data[ICE_ETH_TEST_REG]) 835 eth_test->flags |= ETH_TEST_FL_FAILED; 836 837 clear_bit(__ICE_TESTING, pf->state); 838 839 if (if_running) { 840 int status = ice_open(netdev); 841 842 if (status) { 843 dev_err(&pf->pdev->dev, 844 "Could not open device %s, err %d", 845 pf->int_name, status); 846 } 847 } 848 } else { 849 /* Online tests */ 850 netdev_info(netdev, "online testing starting\n"); 851 852 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 853 if (data[ICE_ETH_TEST_LINK]) 854 eth_test->flags |= ETH_TEST_FL_FAILED; 855 856 /* Offline only tests, not run in online; pass by default */ 857 data[ICE_ETH_TEST_REG] = 0; 858 data[ICE_ETH_TEST_EEPROM] = 0; 859 data[ICE_ETH_TEST_INTR] = 0; 860 data[ICE_ETH_TEST_LOOP] = 0; 861 } 862 863 skip_ol_tests: 864 netdev_info(netdev, "testing finished\n"); 865 } 866 867 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 868 { 869 struct ice_netdev_priv *np = netdev_priv(netdev); 870 struct ice_vsi *vsi = np->vsi; 871 char *p = (char *)data; 872 unsigned int i; 873 874 switch (stringset) { 875 case ETH_SS_STATS: 876 for (i = 0; i < ICE_VSI_STATS_LEN; i++) { 877 snprintf(p, ETH_GSTRING_LEN, "%s", 878 ice_gstrings_vsi_stats[i].stat_string); 879 p += ETH_GSTRING_LEN; 880 } 881 882 ice_for_each_alloc_txq(vsi, i) { 883 snprintf(p, ETH_GSTRING_LEN, 884 "tx_queue_%u_packets", i); 885 p += ETH_GSTRING_LEN; 886 snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i); 887 p += ETH_GSTRING_LEN; 888 } 889 890 ice_for_each_alloc_rxq(vsi, i) { 891 snprintf(p, ETH_GSTRING_LEN, 892 "rx_queue_%u_packets", i); 893 p += ETH_GSTRING_LEN; 894 snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i); 895 p += ETH_GSTRING_LEN; 896 } 897 898 if (vsi->type != ICE_VSI_PF) 899 return; 900 901 for (i = 0; i < ICE_PF_STATS_LEN; i++) { 902 snprintf(p, ETH_GSTRING_LEN, "%s", 903 ice_gstrings_pf_stats[i].stat_string); 904 p += ETH_GSTRING_LEN; 905 } 906 907 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 908 snprintf(p, ETH_GSTRING_LEN, 909 "tx_priority_%u_xon.nic", i); 910 p += ETH_GSTRING_LEN; 911 snprintf(p, ETH_GSTRING_LEN, 912 "tx_priority_%u_xoff.nic", i); 913 p += ETH_GSTRING_LEN; 914 } 915 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 916 snprintf(p, ETH_GSTRING_LEN, 917 "rx_priority_%u_xon.nic", i); 918 p += ETH_GSTRING_LEN; 919 snprintf(p, ETH_GSTRING_LEN, 920 "rx_priority_%u_xoff.nic", i); 921 p += ETH_GSTRING_LEN; 922 } 923 break; 924 case ETH_SS_TEST: 925 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 926 break; 927 case ETH_SS_PRIV_FLAGS: 928 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 929 snprintf(p, ETH_GSTRING_LEN, "%s", 930 ice_gstrings_priv_flags[i].name); 931 p += ETH_GSTRING_LEN; 932 } 933 break; 934 default: 935 break; 936 } 937 } 938 939 static int 940 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 941 { 942 struct ice_netdev_priv *np = netdev_priv(netdev); 943 bool led_active; 944 945 switch (state) { 946 case ETHTOOL_ID_ACTIVE: 947 led_active = true; 948 break; 949 case ETHTOOL_ID_INACTIVE: 950 led_active = false; 951 break; 952 default: 953 return -EINVAL; 954 } 955 956 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 957 return -EIO; 958 959 return 0; 960 } 961 962 /** 963 * ice_set_fec_cfg - Set link FEC options 964 * @netdev: network interface device structure 965 * @req_fec: FEC mode to configure 966 */ 967 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 968 { 969 struct ice_netdev_priv *np = netdev_priv(netdev); 970 struct ice_aqc_set_phy_cfg_data config = { 0 }; 971 struct ice_aqc_get_phy_caps_data *caps; 972 struct ice_vsi *vsi = np->vsi; 973 u8 sw_cfg_caps, sw_cfg_fec; 974 struct ice_port_info *pi; 975 enum ice_status status; 976 int err = 0; 977 978 pi = vsi->port_info; 979 if (!pi) 980 return -EOPNOTSUPP; 981 982 /* Changing the FEC parameters is not supported if not the PF VSI */ 983 if (vsi->type != ICE_VSI_PF) { 984 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 985 return -EOPNOTSUPP; 986 } 987 988 /* Get last SW configuration */ 989 caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL); 990 if (!caps) 991 return -ENOMEM; 992 993 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, 994 caps, NULL); 995 if (status) { 996 err = -EAGAIN; 997 goto done; 998 } 999 1000 /* Copy SW configuration returned from PHY caps to PHY config */ 1001 ice_copy_phy_caps_to_cfg(caps, &config); 1002 sw_cfg_caps = caps->caps; 1003 sw_cfg_fec = caps->link_fec_options; 1004 1005 /* Get toloplogy caps, then copy PHY FEC topoloy caps to PHY config */ 1006 memset(caps, 0, sizeof(*caps)); 1007 1008 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, 1009 caps, NULL); 1010 if (status) { 1011 err = -EAGAIN; 1012 goto done; 1013 } 1014 1015 config.caps |= (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC); 1016 config.link_fec_opt = caps->link_fec_options; 1017 1018 ice_cfg_phy_fec(&config, req_fec); 1019 1020 /* If FEC mode has changed, then set PHY configuration and enable AN. */ 1021 if ((config.caps & ICE_AQ_PHY_ENA_AUTO_FEC) != 1022 (sw_cfg_caps & ICE_AQC_PHY_EN_AUTO_FEC) || 1023 config.link_fec_opt != sw_cfg_fec) { 1024 if (caps->caps & ICE_AQC_PHY_AN_MODE) 1025 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1026 1027 status = ice_aq_set_phy_cfg(pi->hw, pi->lport, &config, NULL); 1028 1029 if (status) 1030 err = -EAGAIN; 1031 } 1032 1033 done: 1034 devm_kfree(&vsi->back->pdev->dev, caps); 1035 return err; 1036 } 1037 1038 /** 1039 * ice_set_fecparam - Set FEC link options 1040 * @netdev: network interface device structure 1041 * @fecparam: Ethtool structure to retrieve FEC parameters 1042 */ 1043 static int 1044 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1045 { 1046 struct ice_netdev_priv *np = netdev_priv(netdev); 1047 struct ice_vsi *vsi = np->vsi; 1048 enum ice_fec_mode fec; 1049 1050 switch (fecparam->fec) { 1051 case ETHTOOL_FEC_AUTO: 1052 fec = ICE_FEC_AUTO; 1053 break; 1054 case ETHTOOL_FEC_RS: 1055 fec = ICE_FEC_RS; 1056 break; 1057 case ETHTOOL_FEC_BASER: 1058 fec = ICE_FEC_BASER; 1059 break; 1060 case ETHTOOL_FEC_OFF: 1061 case ETHTOOL_FEC_NONE: 1062 fec = ICE_FEC_NONE; 1063 break; 1064 default: 1065 dev_warn(&vsi->back->pdev->dev, "Unsupported FEC mode: %d\n", 1066 fecparam->fec); 1067 return -EINVAL; 1068 } 1069 1070 return ice_set_fec_cfg(netdev, fec); 1071 } 1072 1073 /** 1074 * ice_get_fecparam - Get link FEC options 1075 * @netdev: network interface device structure 1076 * @fecparam: Ethtool structure to retrieve FEC parameters 1077 */ 1078 static int 1079 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1080 { 1081 struct ice_netdev_priv *np = netdev_priv(netdev); 1082 struct ice_aqc_get_phy_caps_data *caps; 1083 struct ice_link_status *link_info; 1084 struct ice_vsi *vsi = np->vsi; 1085 struct ice_port_info *pi; 1086 enum ice_status status; 1087 int err = 0; 1088 1089 pi = vsi->port_info; 1090 1091 if (!pi) 1092 return -EOPNOTSUPP; 1093 link_info = &pi->phy.link_info; 1094 1095 /* Set FEC mode based on negotiated link info */ 1096 switch (link_info->fec_info) { 1097 case ICE_AQ_LINK_25G_KR_FEC_EN: 1098 fecparam->active_fec = ETHTOOL_FEC_BASER; 1099 break; 1100 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1101 /* fall through */ 1102 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1103 fecparam->active_fec = ETHTOOL_FEC_RS; 1104 break; 1105 default: 1106 fecparam->active_fec = ETHTOOL_FEC_OFF; 1107 break; 1108 } 1109 1110 caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL); 1111 if (!caps) 1112 return -ENOMEM; 1113 1114 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, 1115 caps, NULL); 1116 if (status) { 1117 err = -EAGAIN; 1118 goto done; 1119 } 1120 1121 /* Set supported/configured FEC modes based on PHY capability */ 1122 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1123 fecparam->fec |= ETHTOOL_FEC_AUTO; 1124 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1125 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1126 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1127 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1128 fecparam->fec |= ETHTOOL_FEC_BASER; 1129 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1130 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1131 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1132 fecparam->fec |= ETHTOOL_FEC_RS; 1133 if (caps->link_fec_options == 0) 1134 fecparam->fec |= ETHTOOL_FEC_OFF; 1135 1136 done: 1137 devm_kfree(&vsi->back->pdev->dev, caps); 1138 return err; 1139 } 1140 1141 /** 1142 * ice_get_priv_flags - report device private flags 1143 * @netdev: network interface device structure 1144 * 1145 * The get string set count and the string set should be matched for each 1146 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1147 * array. 1148 * 1149 * Returns a u32 bitmap of flags. 1150 */ 1151 static u32 ice_get_priv_flags(struct net_device *netdev) 1152 { 1153 struct ice_netdev_priv *np = netdev_priv(netdev); 1154 struct ice_vsi *vsi = np->vsi; 1155 struct ice_pf *pf = vsi->back; 1156 u32 i, ret_flags = 0; 1157 1158 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1159 const struct ice_priv_flag *priv_flag; 1160 1161 priv_flag = &ice_gstrings_priv_flags[i]; 1162 1163 if (test_bit(priv_flag->bitno, pf->flags)) 1164 ret_flags |= BIT(i); 1165 } 1166 1167 return ret_flags; 1168 } 1169 1170 /** 1171 * ice_set_priv_flags - set private flags 1172 * @netdev: network interface device structure 1173 * @flags: bit flags to be set 1174 */ 1175 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1176 { 1177 struct ice_netdev_priv *np = netdev_priv(netdev); 1178 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1179 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1180 struct ice_vsi *vsi = np->vsi; 1181 struct ice_pf *pf = vsi->back; 1182 int ret = 0; 1183 u32 i; 1184 1185 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1186 return -EINVAL; 1187 1188 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1189 1190 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1191 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1192 const struct ice_priv_flag *priv_flag; 1193 1194 priv_flag = &ice_gstrings_priv_flags[i]; 1195 1196 if (flags & BIT(i)) 1197 set_bit(priv_flag->bitno, pf->flags); 1198 else 1199 clear_bit(priv_flag->bitno, pf->flags); 1200 } 1201 1202 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1203 1204 if (test_bit(ICE_FLAG_ENABLE_FW_LLDP, change_flags)) { 1205 if (!test_bit(ICE_FLAG_ENABLE_FW_LLDP, pf->flags)) { 1206 enum ice_status status; 1207 1208 /* Disable FW LLDP engine */ 1209 status = ice_aq_cfg_lldp_mib_change(&pf->hw, false, 1210 NULL); 1211 /* If unregistering for LLDP events fails, this is 1212 * not an error state, as there shouldn't be any 1213 * events to respond to. 1214 */ 1215 if (status) 1216 dev_info(&pf->pdev->dev, 1217 "Failed to unreg for LLDP events\n"); 1218 1219 /* The AQ call to stop the FW LLDP agent will generate 1220 * an error if the agent is already stopped. 1221 */ 1222 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1223 if (status) 1224 dev_warn(&pf->pdev->dev, 1225 "Fail to stop LLDP agent\n"); 1226 /* Use case for having the FW LLDP agent stopped 1227 * will likely not need DCB, so failure to init is 1228 * not a concern of ethtool 1229 */ 1230 status = ice_init_pf_dcb(pf, true); 1231 if (status) 1232 dev_warn(&pf->pdev->dev, "Fail to init DCB\n"); 1233 1234 /* Forward LLDP packets to default VSI so that they 1235 * are passed up the stack 1236 */ 1237 ice_cfg_sw_lldp(vsi, false, true); 1238 } else { 1239 enum ice_status status; 1240 bool dcbx_agent_status; 1241 1242 /* AQ command to start FW LLDP agent will return an 1243 * error if the agent is already started 1244 */ 1245 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1246 if (status) 1247 dev_warn(&pf->pdev->dev, 1248 "Fail to start LLDP Agent\n"); 1249 1250 /* AQ command to start FW DCBX agent will fail if 1251 * the agent is already started 1252 */ 1253 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1254 &dcbx_agent_status, 1255 NULL); 1256 if (status) 1257 dev_dbg(&pf->pdev->dev, 1258 "Failed to start FW DCBX\n"); 1259 1260 dev_info(&pf->pdev->dev, "FW DCBX agent is %s\n", 1261 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1262 1263 /* Failure to configure MIB change or init DCB is not 1264 * relevant to ethtool. Print notification that 1265 * registration/init failed but do not return error 1266 * state to ethtool 1267 */ 1268 status = ice_init_pf_dcb(pf, true); 1269 if (status) 1270 dev_dbg(&pf->pdev->dev, "Fail to init DCB\n"); 1271 1272 /* Remove rule to direct LLDP packets to default VSI. 1273 * The FW LLDP engine will now be consuming them. 1274 */ 1275 ice_cfg_sw_lldp(vsi, false, false); 1276 } 1277 } 1278 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1279 return ret; 1280 } 1281 1282 static int ice_get_sset_count(struct net_device *netdev, int sset) 1283 { 1284 switch (sset) { 1285 case ETH_SS_STATS: 1286 /* The number (and order) of strings reported *must* remain 1287 * constant for a given netdevice. This function must not 1288 * report a different number based on run time parameters 1289 * (such as the number of queues in use, or the setting of 1290 * a private ethtool flag). This is due to the nature of the 1291 * ethtool stats API. 1292 * 1293 * Userspace programs such as ethtool must make 3 separate 1294 * ioctl requests, one for size, one for the strings, and 1295 * finally one for the stats. Since these cross into 1296 * userspace, changes to the number or size could result in 1297 * undefined memory access or incorrect string<->value 1298 * correlations for statistics. 1299 * 1300 * Even if it appears to be safe, changes to the size or 1301 * order of strings will suffer from race conditions and are 1302 * not safe. 1303 */ 1304 return ICE_ALL_STATS_LEN(netdev); 1305 case ETH_SS_TEST: 1306 return ICE_TEST_LEN; 1307 case ETH_SS_PRIV_FLAGS: 1308 return ICE_PRIV_FLAG_ARRAY_SIZE; 1309 default: 1310 return -EOPNOTSUPP; 1311 } 1312 } 1313 1314 static void 1315 ice_get_ethtool_stats(struct net_device *netdev, 1316 struct ethtool_stats __always_unused *stats, u64 *data) 1317 { 1318 struct ice_netdev_priv *np = netdev_priv(netdev); 1319 struct ice_vsi *vsi = np->vsi; 1320 struct ice_pf *pf = vsi->back; 1321 struct ice_ring *ring; 1322 unsigned int j = 0; 1323 int i = 0; 1324 char *p; 1325 1326 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1327 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1328 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1329 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1330 } 1331 1332 /* populate per queue stats */ 1333 rcu_read_lock(); 1334 1335 ice_for_each_alloc_txq(vsi, j) { 1336 ring = READ_ONCE(vsi->tx_rings[j]); 1337 if (ring) { 1338 data[i++] = ring->stats.pkts; 1339 data[i++] = ring->stats.bytes; 1340 } else { 1341 data[i++] = 0; 1342 data[i++] = 0; 1343 } 1344 } 1345 1346 ice_for_each_alloc_rxq(vsi, j) { 1347 ring = READ_ONCE(vsi->rx_rings[j]); 1348 if (ring) { 1349 data[i++] = ring->stats.pkts; 1350 data[i++] = ring->stats.bytes; 1351 } else { 1352 data[i++] = 0; 1353 data[i++] = 0; 1354 } 1355 } 1356 1357 rcu_read_unlock(); 1358 1359 if (vsi->type != ICE_VSI_PF) 1360 return; 1361 1362 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1363 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1364 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1365 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1366 } 1367 1368 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1369 data[i++] = pf->stats.priority_xon_tx[j]; 1370 data[i++] = pf->stats.priority_xoff_tx[j]; 1371 } 1372 1373 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1374 data[i++] = pf->stats.priority_xon_rx[j]; 1375 data[i++] = pf->stats.priority_xoff_rx[j]; 1376 } 1377 } 1378 1379 /** 1380 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1381 * @netdev: network interface device structure 1382 * @ks: ethtool link ksettings struct to fill out 1383 */ 1384 static void 1385 ice_phy_type_to_ethtool(struct net_device *netdev, 1386 struct ethtool_link_ksettings *ks) 1387 { 1388 struct ice_netdev_priv *np = netdev_priv(netdev); 1389 struct ice_link_status *hw_link_info; 1390 bool need_add_adv_mode = false; 1391 struct ice_vsi *vsi = np->vsi; 1392 u64 phy_types_high; 1393 u64 phy_types_low; 1394 1395 hw_link_info = &vsi->port_info->phy.link_info; 1396 phy_types_low = vsi->port_info->phy.phy_type_low; 1397 phy_types_high = vsi->port_info->phy.phy_type_high; 1398 1399 ethtool_link_ksettings_zero_link_mode(ks, supported); 1400 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1401 1402 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || 1403 phy_types_low & ICE_PHY_TYPE_LOW_100M_SGMII) { 1404 ethtool_link_ksettings_add_link_mode(ks, supported, 1405 100baseT_Full); 1406 if (!hw_link_info->req_speeds || 1407 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100MB) 1408 ethtool_link_ksettings_add_link_mode(ks, advertising, 1409 100baseT_Full); 1410 } 1411 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || 1412 phy_types_low & ICE_PHY_TYPE_LOW_1G_SGMII) { 1413 ethtool_link_ksettings_add_link_mode(ks, supported, 1414 1000baseT_Full); 1415 if (!hw_link_info->req_speeds || 1416 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) 1417 ethtool_link_ksettings_add_link_mode(ks, advertising, 1418 1000baseT_Full); 1419 } 1420 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX) { 1421 ethtool_link_ksettings_add_link_mode(ks, supported, 1422 1000baseKX_Full); 1423 if (!hw_link_info->req_speeds || 1424 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) 1425 ethtool_link_ksettings_add_link_mode(ks, advertising, 1426 1000baseKX_Full); 1427 } 1428 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_SX || 1429 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_LX) { 1430 ethtool_link_ksettings_add_link_mode(ks, supported, 1431 1000baseX_Full); 1432 if (!hw_link_info->req_speeds || 1433 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) 1434 ethtool_link_ksettings_add_link_mode(ks, advertising, 1435 1000baseX_Full); 1436 } 1437 if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T) { 1438 ethtool_link_ksettings_add_link_mode(ks, supported, 1439 2500baseT_Full); 1440 if (!hw_link_info->req_speeds || 1441 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB) 1442 ethtool_link_ksettings_add_link_mode(ks, advertising, 1443 2500baseT_Full); 1444 } 1445 if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_X || 1446 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX) { 1447 ethtool_link_ksettings_add_link_mode(ks, supported, 1448 2500baseX_Full); 1449 if (!hw_link_info->req_speeds || 1450 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB) 1451 ethtool_link_ksettings_add_link_mode(ks, advertising, 1452 2500baseX_Full); 1453 } 1454 if (phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || 1455 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR) { 1456 ethtool_link_ksettings_add_link_mode(ks, supported, 1457 5000baseT_Full); 1458 if (!hw_link_info->req_speeds || 1459 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_5GB) 1460 ethtool_link_ksettings_add_link_mode(ks, advertising, 1461 5000baseT_Full); 1462 } 1463 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || 1464 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_DA || 1465 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC || 1466 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_C2C) { 1467 ethtool_link_ksettings_add_link_mode(ks, supported, 1468 10000baseT_Full); 1469 if (!hw_link_info->req_speeds || 1470 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1471 ethtool_link_ksettings_add_link_mode(ks, advertising, 1472 10000baseT_Full); 1473 } 1474 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1) { 1475 ethtool_link_ksettings_add_link_mode(ks, supported, 1476 10000baseKR_Full); 1477 if (!hw_link_info->req_speeds || 1478 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1479 ethtool_link_ksettings_add_link_mode(ks, advertising, 1480 10000baseKR_Full); 1481 } 1482 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_SR) { 1483 ethtool_link_ksettings_add_link_mode(ks, supported, 1484 10000baseSR_Full); 1485 if (!hw_link_info->req_speeds || 1486 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1487 ethtool_link_ksettings_add_link_mode(ks, advertising, 1488 10000baseSR_Full); 1489 } 1490 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_LR) { 1491 ethtool_link_ksettings_add_link_mode(ks, supported, 1492 10000baseLR_Full); 1493 if (!hw_link_info->req_speeds || 1494 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1495 ethtool_link_ksettings_add_link_mode(ks, advertising, 1496 10000baseLR_Full); 1497 } 1498 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || 1499 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || 1500 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || 1501 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || 1502 phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC || 1503 phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_C2C) { 1504 ethtool_link_ksettings_add_link_mode(ks, supported, 1505 25000baseCR_Full); 1506 if (!hw_link_info->req_speeds || 1507 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) 1508 ethtool_link_ksettings_add_link_mode(ks, advertising, 1509 25000baseCR_Full); 1510 } 1511 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_SR || 1512 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_LR) { 1513 ethtool_link_ksettings_add_link_mode(ks, supported, 1514 25000baseSR_Full); 1515 if (!hw_link_info->req_speeds || 1516 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) 1517 ethtool_link_ksettings_add_link_mode(ks, advertising, 1518 25000baseSR_Full); 1519 } 1520 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || 1521 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || 1522 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1) { 1523 ethtool_link_ksettings_add_link_mode(ks, supported, 1524 25000baseKR_Full); 1525 if (!hw_link_info->req_speeds || 1526 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) 1527 ethtool_link_ksettings_add_link_mode(ks, advertising, 1528 25000baseKR_Full); 1529 } 1530 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { 1531 ethtool_link_ksettings_add_link_mode(ks, supported, 1532 40000baseKR4_Full); 1533 if (!hw_link_info->req_speeds || 1534 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1535 ethtool_link_ksettings_add_link_mode(ks, advertising, 1536 40000baseKR4_Full); 1537 } 1538 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || 1539 phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC || 1540 phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI) { 1541 ethtool_link_ksettings_add_link_mode(ks, supported, 1542 40000baseCR4_Full); 1543 if (!hw_link_info->req_speeds || 1544 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1545 ethtool_link_ksettings_add_link_mode(ks, advertising, 1546 40000baseCR4_Full); 1547 } 1548 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_SR4) { 1549 ethtool_link_ksettings_add_link_mode(ks, supported, 1550 40000baseSR4_Full); 1551 if (!hw_link_info->req_speeds || 1552 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1553 ethtool_link_ksettings_add_link_mode(ks, advertising, 1554 40000baseSR4_Full); 1555 } 1556 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_LR4) { 1557 ethtool_link_ksettings_add_link_mode(ks, supported, 1558 40000baseLR4_Full); 1559 if (!hw_link_info->req_speeds || 1560 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1561 ethtool_link_ksettings_add_link_mode(ks, advertising, 1562 40000baseLR4_Full); 1563 } 1564 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || 1565 phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC || 1566 phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2 || 1567 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC || 1568 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2 || 1569 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || 1570 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR || 1571 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC || 1572 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1) { 1573 ethtool_link_ksettings_add_link_mode(ks, supported, 1574 50000baseCR2_Full); 1575 if (!hw_link_info->req_speeds || 1576 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) 1577 ethtool_link_ksettings_add_link_mode(ks, advertising, 1578 50000baseCR2_Full); 1579 } 1580 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || 1581 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { 1582 ethtool_link_ksettings_add_link_mode(ks, supported, 1583 50000baseKR2_Full); 1584 if (!hw_link_info->req_speeds || 1585 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) 1586 ethtool_link_ksettings_add_link_mode(ks, advertising, 1587 50000baseKR2_Full); 1588 } 1589 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR2 || 1590 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR2 || 1591 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_FR || 1592 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR) { 1593 ethtool_link_ksettings_add_link_mode(ks, supported, 1594 50000baseSR2_Full); 1595 if (!hw_link_info->req_speeds || 1596 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) 1597 ethtool_link_ksettings_add_link_mode(ks, advertising, 1598 50000baseSR2_Full); 1599 } 1600 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || 1601 phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC || 1602 phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4 || 1603 phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC || 1604 phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4 || 1605 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 || 1606 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2 || 1607 phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC || 1608 phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2 || 1609 phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC || 1610 phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2) { 1611 ethtool_link_ksettings_add_link_mode(ks, supported, 1612 100000baseCR4_Full); 1613 if (!hw_link_info->req_speeds || 1614 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1615 need_add_adv_mode = true; 1616 } 1617 if (need_add_adv_mode) { 1618 need_add_adv_mode = false; 1619 ethtool_link_ksettings_add_link_mode(ks, advertising, 1620 100000baseCR4_Full); 1621 } 1622 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR4 || 1623 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR2) { 1624 ethtool_link_ksettings_add_link_mode(ks, supported, 1625 100000baseSR4_Full); 1626 if (!hw_link_info->req_speeds || 1627 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1628 need_add_adv_mode = true; 1629 } 1630 if (need_add_adv_mode) { 1631 need_add_adv_mode = false; 1632 ethtool_link_ksettings_add_link_mode(ks, advertising, 1633 100000baseSR4_Full); 1634 } 1635 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_LR4 || 1636 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_DR) { 1637 ethtool_link_ksettings_add_link_mode(ks, supported, 1638 100000baseLR4_ER4_Full); 1639 if (!hw_link_info->req_speeds || 1640 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1641 need_add_adv_mode = true; 1642 } 1643 if (need_add_adv_mode) { 1644 need_add_adv_mode = false; 1645 ethtool_link_ksettings_add_link_mode(ks, advertising, 1646 100000baseLR4_ER4_Full); 1647 } 1648 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || 1649 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || 1650 phy_types_high & ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4) { 1651 ethtool_link_ksettings_add_link_mode(ks, supported, 1652 100000baseKR4_Full); 1653 if (!hw_link_info->req_speeds || 1654 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1655 need_add_adv_mode = true; 1656 } 1657 if (need_add_adv_mode) 1658 ethtool_link_ksettings_add_link_mode(ks, advertising, 1659 100000baseKR4_Full); 1660 1661 /* Autoneg PHY types */ 1662 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || 1663 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || 1664 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX || 1665 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T || 1666 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX || 1667 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || 1668 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR || 1669 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || 1670 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 || 1671 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || 1672 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || 1673 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || 1674 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || 1675 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || 1676 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || 1677 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1 || 1678 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || 1679 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { 1680 ethtool_link_ksettings_add_link_mode(ks, supported, 1681 Autoneg); 1682 ethtool_link_ksettings_add_link_mode(ks, advertising, 1683 Autoneg); 1684 } 1685 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || 1686 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || 1687 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || 1688 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { 1689 ethtool_link_ksettings_add_link_mode(ks, supported, 1690 Autoneg); 1691 ethtool_link_ksettings_add_link_mode(ks, advertising, 1692 Autoneg); 1693 } 1694 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || 1695 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || 1696 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || 1697 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) { 1698 ethtool_link_ksettings_add_link_mode(ks, supported, 1699 Autoneg); 1700 ethtool_link_ksettings_add_link_mode(ks, advertising, 1701 Autoneg); 1702 } 1703 } 1704 1705 #define TEST_SET_BITS_TIMEOUT 50 1706 #define TEST_SET_BITS_SLEEP_MAX 2000 1707 #define TEST_SET_BITS_SLEEP_MIN 1000 1708 1709 /** 1710 * ice_get_settings_link_up - Get Link settings for when link is up 1711 * @ks: ethtool ksettings to fill in 1712 * @netdev: network interface device structure 1713 */ 1714 static void 1715 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1716 struct net_device *netdev) 1717 { 1718 struct ice_netdev_priv *np = netdev_priv(netdev); 1719 struct ice_port_info *pi = np->vsi->port_info; 1720 struct ethtool_link_ksettings cap_ksettings; 1721 struct ice_link_status *link_info; 1722 struct ice_vsi *vsi = np->vsi; 1723 bool unrecog_phy_high = false; 1724 bool unrecog_phy_low = false; 1725 1726 link_info = &vsi->port_info->phy.link_info; 1727 1728 /* Initialize supported and advertised settings based on PHY settings */ 1729 switch (link_info->phy_type_low) { 1730 case ICE_PHY_TYPE_LOW_100BASE_TX: 1731 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1732 ethtool_link_ksettings_add_link_mode(ks, supported, 1733 100baseT_Full); 1734 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1735 ethtool_link_ksettings_add_link_mode(ks, advertising, 1736 100baseT_Full); 1737 break; 1738 case ICE_PHY_TYPE_LOW_100M_SGMII: 1739 ethtool_link_ksettings_add_link_mode(ks, supported, 1740 100baseT_Full); 1741 break; 1742 case ICE_PHY_TYPE_LOW_1000BASE_T: 1743 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1744 ethtool_link_ksettings_add_link_mode(ks, supported, 1745 1000baseT_Full); 1746 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1747 ethtool_link_ksettings_add_link_mode(ks, advertising, 1748 1000baseT_Full); 1749 break; 1750 case ICE_PHY_TYPE_LOW_1G_SGMII: 1751 ethtool_link_ksettings_add_link_mode(ks, supported, 1752 1000baseT_Full); 1753 break; 1754 case ICE_PHY_TYPE_LOW_1000BASE_SX: 1755 case ICE_PHY_TYPE_LOW_1000BASE_LX: 1756 ethtool_link_ksettings_add_link_mode(ks, supported, 1757 1000baseX_Full); 1758 break; 1759 case ICE_PHY_TYPE_LOW_1000BASE_KX: 1760 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1761 ethtool_link_ksettings_add_link_mode(ks, supported, 1762 1000baseKX_Full); 1763 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1764 ethtool_link_ksettings_add_link_mode(ks, advertising, 1765 1000baseKX_Full); 1766 break; 1767 case ICE_PHY_TYPE_LOW_2500BASE_T: 1768 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1769 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1770 ethtool_link_ksettings_add_link_mode(ks, supported, 1771 2500baseT_Full); 1772 ethtool_link_ksettings_add_link_mode(ks, advertising, 1773 2500baseT_Full); 1774 break; 1775 case ICE_PHY_TYPE_LOW_2500BASE_X: 1776 ethtool_link_ksettings_add_link_mode(ks, supported, 1777 2500baseX_Full); 1778 break; 1779 case ICE_PHY_TYPE_LOW_2500BASE_KX: 1780 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1781 ethtool_link_ksettings_add_link_mode(ks, supported, 1782 2500baseX_Full); 1783 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1784 ethtool_link_ksettings_add_link_mode(ks, advertising, 1785 2500baseX_Full); 1786 break; 1787 case ICE_PHY_TYPE_LOW_5GBASE_T: 1788 case ICE_PHY_TYPE_LOW_5GBASE_KR: 1789 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1790 ethtool_link_ksettings_add_link_mode(ks, supported, 1791 5000baseT_Full); 1792 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1793 ethtool_link_ksettings_add_link_mode(ks, advertising, 1794 5000baseT_Full); 1795 break; 1796 case ICE_PHY_TYPE_LOW_10GBASE_T: 1797 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1798 ethtool_link_ksettings_add_link_mode(ks, supported, 1799 10000baseT_Full); 1800 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1801 ethtool_link_ksettings_add_link_mode(ks, advertising, 1802 10000baseT_Full); 1803 break; 1804 case ICE_PHY_TYPE_LOW_10G_SFI_DA: 1805 case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC: 1806 case ICE_PHY_TYPE_LOW_10G_SFI_C2C: 1807 ethtool_link_ksettings_add_link_mode(ks, supported, 1808 10000baseT_Full); 1809 break; 1810 case ICE_PHY_TYPE_LOW_10GBASE_SR: 1811 ethtool_link_ksettings_add_link_mode(ks, supported, 1812 10000baseSR_Full); 1813 break; 1814 case ICE_PHY_TYPE_LOW_10GBASE_LR: 1815 ethtool_link_ksettings_add_link_mode(ks, supported, 1816 10000baseLR_Full); 1817 break; 1818 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1: 1819 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1820 ethtool_link_ksettings_add_link_mode(ks, supported, 1821 10000baseKR_Full); 1822 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1823 ethtool_link_ksettings_add_link_mode(ks, advertising, 1824 10000baseKR_Full); 1825 break; 1826 case ICE_PHY_TYPE_LOW_25GBASE_T: 1827 case ICE_PHY_TYPE_LOW_25GBASE_CR: 1828 case ICE_PHY_TYPE_LOW_25GBASE_CR_S: 1829 case ICE_PHY_TYPE_LOW_25GBASE_CR1: 1830 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1831 ethtool_link_ksettings_add_link_mode(ks, supported, 1832 25000baseCR_Full); 1833 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1834 ethtool_link_ksettings_add_link_mode(ks, advertising, 1835 25000baseCR_Full); 1836 break; 1837 case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC: 1838 case ICE_PHY_TYPE_LOW_25G_AUI_C2C: 1839 ethtool_link_ksettings_add_link_mode(ks, supported, 1840 25000baseCR_Full); 1841 break; 1842 case ICE_PHY_TYPE_LOW_25GBASE_SR: 1843 case ICE_PHY_TYPE_LOW_25GBASE_LR: 1844 ethtool_link_ksettings_add_link_mode(ks, supported, 1845 25000baseSR_Full); 1846 break; 1847 case ICE_PHY_TYPE_LOW_25GBASE_KR: 1848 case ICE_PHY_TYPE_LOW_25GBASE_KR1: 1849 case ICE_PHY_TYPE_LOW_25GBASE_KR_S: 1850 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1851 ethtool_link_ksettings_add_link_mode(ks, supported, 1852 25000baseKR_Full); 1853 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1854 ethtool_link_ksettings_add_link_mode(ks, advertising, 1855 25000baseKR_Full); 1856 break; 1857 case ICE_PHY_TYPE_LOW_40GBASE_CR4: 1858 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1859 ethtool_link_ksettings_add_link_mode(ks, supported, 1860 40000baseCR4_Full); 1861 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1862 ethtool_link_ksettings_add_link_mode(ks, advertising, 1863 40000baseCR4_Full); 1864 break; 1865 case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC: 1866 case ICE_PHY_TYPE_LOW_40G_XLAUI: 1867 ethtool_link_ksettings_add_link_mode(ks, supported, 1868 40000baseCR4_Full); 1869 break; 1870 case ICE_PHY_TYPE_LOW_40GBASE_SR4: 1871 ethtool_link_ksettings_add_link_mode(ks, supported, 1872 40000baseSR4_Full); 1873 break; 1874 case ICE_PHY_TYPE_LOW_40GBASE_LR4: 1875 ethtool_link_ksettings_add_link_mode(ks, supported, 1876 40000baseLR4_Full); 1877 break; 1878 case ICE_PHY_TYPE_LOW_40GBASE_KR4: 1879 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1880 ethtool_link_ksettings_add_link_mode(ks, supported, 1881 40000baseKR4_Full); 1882 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1883 ethtool_link_ksettings_add_link_mode(ks, advertising, 1884 40000baseKR4_Full); 1885 break; 1886 case ICE_PHY_TYPE_LOW_50GBASE_CR2: 1887 case ICE_PHY_TYPE_LOW_50GBASE_CP: 1888 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1889 ethtool_link_ksettings_add_link_mode(ks, supported, 1890 50000baseCR2_Full); 1891 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1892 ethtool_link_ksettings_add_link_mode(ks, advertising, 1893 50000baseCR2_Full); 1894 break; 1895 case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC: 1896 case ICE_PHY_TYPE_LOW_50G_LAUI2: 1897 case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC: 1898 case ICE_PHY_TYPE_LOW_50G_AUI2: 1899 case ICE_PHY_TYPE_LOW_50GBASE_SR: 1900 case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC: 1901 case ICE_PHY_TYPE_LOW_50G_AUI1: 1902 ethtool_link_ksettings_add_link_mode(ks, supported, 1903 50000baseCR2_Full); 1904 break; 1905 case ICE_PHY_TYPE_LOW_50GBASE_KR2: 1906 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4: 1907 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1908 ethtool_link_ksettings_add_link_mode(ks, supported, 1909 50000baseKR2_Full); 1910 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1911 ethtool_link_ksettings_add_link_mode(ks, advertising, 1912 50000baseKR2_Full); 1913 break; 1914 case ICE_PHY_TYPE_LOW_50GBASE_SR2: 1915 case ICE_PHY_TYPE_LOW_50GBASE_LR2: 1916 case ICE_PHY_TYPE_LOW_50GBASE_FR: 1917 case ICE_PHY_TYPE_LOW_50GBASE_LR: 1918 ethtool_link_ksettings_add_link_mode(ks, supported, 1919 50000baseSR2_Full); 1920 break; 1921 case ICE_PHY_TYPE_LOW_100GBASE_CR4: 1922 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1923 ethtool_link_ksettings_add_link_mode(ks, supported, 1924 100000baseCR4_Full); 1925 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1926 ethtool_link_ksettings_add_link_mode(ks, advertising, 1927 100000baseCR4_Full); 1928 break; 1929 case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC: 1930 case ICE_PHY_TYPE_LOW_100G_CAUI4: 1931 case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC: 1932 case ICE_PHY_TYPE_LOW_100G_AUI4: 1933 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4: 1934 ethtool_link_ksettings_add_link_mode(ks, supported, 1935 100000baseCR4_Full); 1936 break; 1937 case ICE_PHY_TYPE_LOW_100GBASE_CP2: 1938 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1939 ethtool_link_ksettings_add_link_mode(ks, supported, 1940 100000baseCR4_Full); 1941 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1942 ethtool_link_ksettings_add_link_mode(ks, advertising, 1943 100000baseCR4_Full); 1944 break; 1945 case ICE_PHY_TYPE_LOW_100GBASE_SR4: 1946 case ICE_PHY_TYPE_LOW_100GBASE_SR2: 1947 ethtool_link_ksettings_add_link_mode(ks, supported, 1948 100000baseSR4_Full); 1949 break; 1950 case ICE_PHY_TYPE_LOW_100GBASE_LR4: 1951 case ICE_PHY_TYPE_LOW_100GBASE_DR: 1952 ethtool_link_ksettings_add_link_mode(ks, supported, 1953 100000baseLR4_ER4_Full); 1954 break; 1955 case ICE_PHY_TYPE_LOW_100GBASE_KR4: 1956 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4: 1957 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1958 ethtool_link_ksettings_add_link_mode(ks, supported, 1959 100000baseKR4_Full); 1960 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1961 ethtool_link_ksettings_add_link_mode(ks, advertising, 1962 100000baseKR4_Full); 1963 break; 1964 default: 1965 unrecog_phy_low = true; 1966 } 1967 1968 switch (link_info->phy_type_high) { 1969 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4: 1970 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1971 ethtool_link_ksettings_add_link_mode(ks, supported, 1972 100000baseKR4_Full); 1973 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1974 ethtool_link_ksettings_add_link_mode(ks, advertising, 1975 100000baseKR4_Full); 1976 break; 1977 case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC: 1978 case ICE_PHY_TYPE_HIGH_100G_CAUI2: 1979 case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC: 1980 case ICE_PHY_TYPE_HIGH_100G_AUI2: 1981 ethtool_link_ksettings_add_link_mode(ks, supported, 1982 100000baseCR4_Full); 1983 break; 1984 default: 1985 unrecog_phy_high = true; 1986 } 1987 1988 if (unrecog_phy_low && unrecog_phy_high) { 1989 /* if we got here and link is up something bad is afoot */ 1990 netdev_info(netdev, 1991 "WARNING: Unrecognized PHY_Low (0x%llx).\n", 1992 (u64)link_info->phy_type_low); 1993 netdev_info(netdev, 1994 "WARNING: Unrecognized PHY_High (0x%llx).\n", 1995 (u64)link_info->phy_type_high); 1996 } 1997 1998 /* Now that we've worked out everything that could be supported by the 1999 * current PHY type, get what is supported by the NVM and intersect 2000 * them to get what is truly supported 2001 */ 2002 memset(&cap_ksettings, 0, sizeof(cap_ksettings)); 2003 ice_phy_type_to_ethtool(netdev, &cap_ksettings); 2004 ethtool_intersect_link_masks(ks, &cap_ksettings); 2005 2006 switch (link_info->link_speed) { 2007 case ICE_AQ_LINK_SPEED_100GB: 2008 ks->base.speed = SPEED_100000; 2009 break; 2010 case ICE_AQ_LINK_SPEED_50GB: 2011 ks->base.speed = SPEED_50000; 2012 break; 2013 case ICE_AQ_LINK_SPEED_40GB: 2014 ks->base.speed = SPEED_40000; 2015 break; 2016 case ICE_AQ_LINK_SPEED_25GB: 2017 ks->base.speed = SPEED_25000; 2018 break; 2019 case ICE_AQ_LINK_SPEED_20GB: 2020 ks->base.speed = SPEED_20000; 2021 break; 2022 case ICE_AQ_LINK_SPEED_10GB: 2023 ks->base.speed = SPEED_10000; 2024 break; 2025 case ICE_AQ_LINK_SPEED_5GB: 2026 ks->base.speed = SPEED_5000; 2027 break; 2028 case ICE_AQ_LINK_SPEED_2500MB: 2029 ks->base.speed = SPEED_2500; 2030 break; 2031 case ICE_AQ_LINK_SPEED_1000MB: 2032 ks->base.speed = SPEED_1000; 2033 break; 2034 case ICE_AQ_LINK_SPEED_100MB: 2035 ks->base.speed = SPEED_100; 2036 break; 2037 default: 2038 netdev_info(netdev, 2039 "WARNING: Unrecognized link_speed (0x%x).\n", 2040 link_info->link_speed); 2041 break; 2042 } 2043 ks->base.duplex = DUPLEX_FULL; 2044 2045 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 2046 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2047 Autoneg); 2048 2049 /* Set flow control negotiated Rx/Tx pause */ 2050 switch (pi->fc.current_mode) { 2051 case ICE_FC_FULL: 2052 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2053 break; 2054 case ICE_FC_TX_PAUSE: 2055 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2056 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2057 Asym_Pause); 2058 break; 2059 case ICE_FC_RX_PAUSE: 2060 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2061 Asym_Pause); 2062 break; 2063 case ICE_FC_PFC: 2064 /* fall through */ 2065 default: 2066 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 2067 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 2068 Asym_Pause); 2069 break; 2070 } 2071 } 2072 2073 /** 2074 * ice_get_settings_link_down - Get the Link settings when link is down 2075 * @ks: ethtool ksettings to fill in 2076 * @netdev: network interface device structure 2077 * 2078 * Reports link settings that can be determined when link is down 2079 */ 2080 static void 2081 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 2082 struct net_device *netdev) 2083 { 2084 /* link is down and the driver needs to fall back on 2085 * supported PHY types to figure out what info to display 2086 */ 2087 ice_phy_type_to_ethtool(netdev, ks); 2088 2089 /* With no link, speed and duplex are unknown */ 2090 ks->base.speed = SPEED_UNKNOWN; 2091 ks->base.duplex = DUPLEX_UNKNOWN; 2092 } 2093 2094 /** 2095 * ice_get_link_ksettings - Get Link Speed and Duplex settings 2096 * @netdev: network interface device structure 2097 * @ks: ethtool ksettings 2098 * 2099 * Reports speed/duplex settings based on media_type 2100 */ 2101 static int 2102 ice_get_link_ksettings(struct net_device *netdev, 2103 struct ethtool_link_ksettings *ks) 2104 { 2105 struct ice_netdev_priv *np = netdev_priv(netdev); 2106 struct ice_aqc_get_phy_caps_data *caps; 2107 struct ice_link_status *hw_link_info; 2108 struct ice_vsi *vsi = np->vsi; 2109 enum ice_status status; 2110 int err = 0; 2111 2112 ethtool_link_ksettings_zero_link_mode(ks, supported); 2113 ethtool_link_ksettings_zero_link_mode(ks, advertising); 2114 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 2115 hw_link_info = &vsi->port_info->phy.link_info; 2116 2117 /* set speed and duplex */ 2118 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 2119 ice_get_settings_link_up(ks, netdev); 2120 else 2121 ice_get_settings_link_down(ks, netdev); 2122 2123 /* set autoneg settings */ 2124 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 2125 AUTONEG_ENABLE : AUTONEG_DISABLE; 2126 2127 /* set media type settings */ 2128 switch (vsi->port_info->phy.media_type) { 2129 case ICE_MEDIA_FIBER: 2130 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2131 ks->base.port = PORT_FIBRE; 2132 break; 2133 case ICE_MEDIA_BASET: 2134 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 2135 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 2136 ks->base.port = PORT_TP; 2137 break; 2138 case ICE_MEDIA_BACKPLANE: 2139 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2140 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 2141 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2142 ethtool_link_ksettings_add_link_mode(ks, advertising, 2143 Backplane); 2144 ks->base.port = PORT_NONE; 2145 break; 2146 case ICE_MEDIA_DA: 2147 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2148 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 2149 ks->base.port = PORT_DA; 2150 break; 2151 default: 2152 ks->base.port = PORT_OTHER; 2153 break; 2154 } 2155 2156 /* flow control is symmetric and always supported */ 2157 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2158 2159 caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL); 2160 if (!caps) 2161 return -ENOMEM; 2162 2163 status = ice_aq_get_phy_caps(vsi->port_info, false, 2164 ICE_AQC_REPORT_SW_CFG, caps, NULL); 2165 if (status) { 2166 err = -EIO; 2167 goto done; 2168 } 2169 2170 /* Set the advertised flow control based on the PHY capability */ 2171 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2172 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2173 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2174 ethtool_link_ksettings_add_link_mode(ks, advertising, 2175 Asym_Pause); 2176 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2177 ethtool_link_ksettings_add_link_mode(ks, advertising, 2178 Asym_Pause); 2179 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2180 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2181 ethtool_link_ksettings_add_link_mode(ks, advertising, 2182 Asym_Pause); 2183 } else { 2184 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2185 ethtool_link_ksettings_del_link_mode(ks, advertising, 2186 Asym_Pause); 2187 } 2188 2189 /* Set advertised FEC modes based on PHY capability */ 2190 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2191 2192 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2193 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2194 ethtool_link_ksettings_add_link_mode(ks, advertising, 2195 FEC_BASER); 2196 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2197 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2198 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2199 2200 status = ice_aq_get_phy_caps(vsi->port_info, false, 2201 ICE_AQC_REPORT_TOPO_CAP, caps, NULL); 2202 if (status) { 2203 err = -EIO; 2204 goto done; 2205 } 2206 2207 /* Set supported FEC modes based on PHY capability */ 2208 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2209 2210 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2211 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2212 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2213 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2214 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2215 2216 done: 2217 devm_kfree(&vsi->back->pdev->dev, caps); 2218 return err; 2219 } 2220 2221 /** 2222 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2223 * @ks: ethtool ksettings 2224 */ 2225 static u16 2226 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2227 { 2228 u16 adv_link_speed = 0; 2229 2230 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2231 100baseT_Full)) 2232 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2233 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2234 1000baseX_Full)) 2235 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2236 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2237 1000baseT_Full) || 2238 ethtool_link_ksettings_test_link_mode(ks, advertising, 2239 1000baseKX_Full)) 2240 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2241 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2242 2500baseT_Full)) 2243 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2244 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2245 2500baseX_Full)) 2246 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2247 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2248 5000baseT_Full)) 2249 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2250 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2251 10000baseT_Full) || 2252 ethtool_link_ksettings_test_link_mode(ks, advertising, 2253 10000baseKR_Full)) 2254 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2255 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2256 10000baseSR_Full) || 2257 ethtool_link_ksettings_test_link_mode(ks, advertising, 2258 10000baseLR_Full)) 2259 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2260 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2261 25000baseCR_Full) || 2262 ethtool_link_ksettings_test_link_mode(ks, advertising, 2263 25000baseSR_Full) || 2264 ethtool_link_ksettings_test_link_mode(ks, advertising, 2265 25000baseKR_Full)) 2266 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2267 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2268 40000baseCR4_Full) || 2269 ethtool_link_ksettings_test_link_mode(ks, advertising, 2270 40000baseSR4_Full) || 2271 ethtool_link_ksettings_test_link_mode(ks, advertising, 2272 40000baseLR4_Full) || 2273 ethtool_link_ksettings_test_link_mode(ks, advertising, 2274 40000baseKR4_Full)) 2275 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2276 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2277 50000baseCR2_Full) || 2278 ethtool_link_ksettings_test_link_mode(ks, advertising, 2279 50000baseKR2_Full)) 2280 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2281 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2282 50000baseSR2_Full)) 2283 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2284 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2285 100000baseCR4_Full) || 2286 ethtool_link_ksettings_test_link_mode(ks, advertising, 2287 100000baseSR4_Full) || 2288 ethtool_link_ksettings_test_link_mode(ks, advertising, 2289 100000baseLR4_ER4_Full) || 2290 ethtool_link_ksettings_test_link_mode(ks, advertising, 2291 100000baseKR4_Full)) 2292 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2293 2294 return adv_link_speed; 2295 } 2296 2297 /** 2298 * ice_setup_autoneg 2299 * @p: port info 2300 * @ks: ethtool_link_ksettings 2301 * @config: configuration that will be sent down to FW 2302 * @autoneg_enabled: autonegotiation is enabled or not 2303 * @autoneg_changed: will there a change in autonegotiation 2304 * @netdev: network interface device structure 2305 * 2306 * Setup PHY autonegotiation feature 2307 */ 2308 static int 2309 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2310 struct ice_aqc_set_phy_cfg_data *config, 2311 u8 autoneg_enabled, u8 *autoneg_changed, 2312 struct net_device *netdev) 2313 { 2314 int err = 0; 2315 2316 *autoneg_changed = 0; 2317 2318 /* Check autoneg */ 2319 if (autoneg_enabled == AUTONEG_ENABLE) { 2320 /* If autoneg was not already enabled */ 2321 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2322 /* If autoneg is not supported, return error */ 2323 if (!ethtool_link_ksettings_test_link_mode(ks, 2324 supported, 2325 Autoneg)) { 2326 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2327 err = -EINVAL; 2328 } else { 2329 /* Autoneg is allowed to change */ 2330 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2331 *autoneg_changed = 1; 2332 } 2333 } 2334 } else { 2335 /* If autoneg is currently enabled */ 2336 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2337 /* If autoneg is supported 10GBASE_T is the only PHY 2338 * that can disable it, so otherwise return error 2339 */ 2340 if (ethtool_link_ksettings_test_link_mode(ks, 2341 supported, 2342 Autoneg)) { 2343 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2344 err = -EINVAL; 2345 } else { 2346 /* Autoneg is allowed to change */ 2347 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2348 *autoneg_changed = 1; 2349 } 2350 } 2351 } 2352 2353 return err; 2354 } 2355 2356 /** 2357 * ice_set_link_ksettings - Set Speed and Duplex 2358 * @netdev: network interface device structure 2359 * @ks: ethtool ksettings 2360 * 2361 * Set speed/duplex per media_types advertised/forced 2362 */ 2363 static int 2364 ice_set_link_ksettings(struct net_device *netdev, 2365 const struct ethtool_link_ksettings *ks) 2366 { 2367 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT, lport = 0; 2368 struct ice_netdev_priv *np = netdev_priv(netdev); 2369 struct ethtool_link_ksettings safe_ks, copy_ks; 2370 struct ice_aqc_get_phy_caps_data *abilities; 2371 u16 adv_link_speed, curr_link_speed, idx; 2372 struct ice_aqc_set_phy_cfg_data config; 2373 struct ice_pf *pf = np->vsi->back; 2374 struct ice_port_info *p; 2375 u8 autoneg_changed = 0; 2376 enum ice_status status; 2377 u64 phy_type_high; 2378 u64 phy_type_low; 2379 int err = 0; 2380 bool linkup; 2381 2382 p = np->vsi->port_info; 2383 2384 if (!p) 2385 return -EOPNOTSUPP; 2386 2387 /* Check if this is LAN VSI */ 2388 ice_for_each_vsi(pf, idx) 2389 if (pf->vsi[idx]->type == ICE_VSI_PF) { 2390 if (np->vsi != pf->vsi[idx]) 2391 return -EOPNOTSUPP; 2392 break; 2393 } 2394 2395 if (p->phy.media_type != ICE_MEDIA_BASET && 2396 p->phy.media_type != ICE_MEDIA_FIBER && 2397 p->phy.media_type != ICE_MEDIA_BACKPLANE && 2398 p->phy.media_type != ICE_MEDIA_DA && 2399 p->phy.link_info.link_info & ICE_AQ_LINK_UP) 2400 return -EOPNOTSUPP; 2401 2402 /* copy the ksettings to copy_ks to avoid modifying the original */ 2403 memcpy(©_ks, ks, sizeof(copy_ks)); 2404 2405 /* save autoneg out of ksettings */ 2406 autoneg = copy_ks.base.autoneg; 2407 2408 memset(&safe_ks, 0, sizeof(safe_ks)); 2409 2410 /* Get link modes supported by hardware.*/ 2411 ice_phy_type_to_ethtool(netdev, &safe_ks); 2412 2413 /* and check against modes requested by user. 2414 * Return an error if unsupported mode was set. 2415 */ 2416 if (!bitmap_subset(copy_ks.link_modes.advertising, 2417 safe_ks.link_modes.supported, 2418 __ETHTOOL_LINK_MODE_MASK_NBITS)) 2419 return -EINVAL; 2420 2421 /* get our own copy of the bits to check against */ 2422 memset(&safe_ks, 0, sizeof(safe_ks)); 2423 safe_ks.base.cmd = copy_ks.base.cmd; 2424 safe_ks.base.link_mode_masks_nwords = 2425 copy_ks.base.link_mode_masks_nwords; 2426 ice_get_link_ksettings(netdev, &safe_ks); 2427 2428 /* set autoneg back to what it currently is */ 2429 copy_ks.base.autoneg = safe_ks.base.autoneg; 2430 /* we don't compare the speed */ 2431 copy_ks.base.speed = safe_ks.base.speed; 2432 2433 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2434 * trying to set something that we do not support. 2435 */ 2436 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) 2437 return -EOPNOTSUPP; 2438 2439 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2440 timeout--; 2441 if (!timeout) 2442 return -EBUSY; 2443 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2444 } 2445 2446 abilities = devm_kzalloc(&pf->pdev->dev, sizeof(*abilities), 2447 GFP_KERNEL); 2448 if (!abilities) 2449 return -ENOMEM; 2450 2451 /* Get the current PHY config */ 2452 status = ice_aq_get_phy_caps(p, false, ICE_AQC_REPORT_SW_CFG, abilities, 2453 NULL); 2454 if (status) { 2455 err = -EAGAIN; 2456 goto done; 2457 } 2458 2459 /* Copy abilities to config in case autoneg is not set below */ 2460 memset(&config, 0, sizeof(config)); 2461 config.caps = abilities->caps & ~ICE_AQC_PHY_AN_MODE; 2462 if (abilities->caps & ICE_AQC_PHY_AN_MODE) 2463 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2464 2465 /* Check autoneg */ 2466 err = ice_setup_autoneg(p, &safe_ks, &config, autoneg, &autoneg_changed, 2467 netdev); 2468 2469 if (err) 2470 goto done; 2471 2472 /* Call to get the current link speed */ 2473 p->phy.get_link_info = true; 2474 status = ice_get_link_status(p, &linkup); 2475 if (status) { 2476 err = -EAGAIN; 2477 goto done; 2478 } 2479 2480 curr_link_speed = p->phy.link_info.link_speed; 2481 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2482 2483 /* If speed didn't get set, set it to what it currently is. 2484 * This is needed because if advertise is 0 (as it is when autoneg 2485 * is disabled) then speed won't get set. 2486 */ 2487 if (!adv_link_speed) 2488 adv_link_speed = curr_link_speed; 2489 2490 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2491 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); 2492 2493 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2494 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2495 goto done; 2496 } 2497 2498 /* copy over the rest of the abilities */ 2499 config.low_power_ctrl = abilities->low_power_ctrl; 2500 config.eee_cap = abilities->eee_cap; 2501 config.eeer_value = abilities->eeer_value; 2502 config.link_fec_opt = abilities->link_fec_options; 2503 2504 /* save the requested speeds */ 2505 p->phy.link_info.req_speeds = adv_link_speed; 2506 2507 /* set link and auto negotiation so changes take effect */ 2508 config.caps |= ICE_AQ_PHY_ENA_LINK; 2509 2510 if (phy_type_low || phy_type_high) { 2511 config.phy_type_high = cpu_to_le64(phy_type_high) & 2512 abilities->phy_type_high; 2513 config.phy_type_low = cpu_to_le64(phy_type_low) & 2514 abilities->phy_type_low; 2515 } else { 2516 err = -EAGAIN; 2517 netdev_info(netdev, "Nothing changed. No PHY_TYPE is corresponded to advertised link speed.\n"); 2518 goto done; 2519 } 2520 2521 /* If link is up put link down */ 2522 if (p->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2523 /* Tell the OS link is going down, the link will go 2524 * back up when fw says it is ready asynchronously 2525 */ 2526 ice_print_link_msg(np->vsi, false); 2527 netif_carrier_off(netdev); 2528 netif_tx_stop_all_queues(netdev); 2529 } 2530 2531 /* make the aq call */ 2532 status = ice_aq_set_phy_cfg(&pf->hw, lport, &config, NULL); 2533 if (status) { 2534 netdev_info(netdev, "Set phy config failed,\n"); 2535 err = -EAGAIN; 2536 } 2537 2538 done: 2539 devm_kfree(&pf->pdev->dev, abilities); 2540 clear_bit(__ICE_CFG_BUSY, pf->state); 2541 2542 return err; 2543 } 2544 2545 /** 2546 * ice_get_rxnfc - command to get Rx flow classification rules 2547 * @netdev: network interface device structure 2548 * @cmd: ethtool rxnfc command 2549 * @rule_locs: buffer to rturn Rx flow classification rules 2550 * 2551 * Returns Success if the command is supported. 2552 */ 2553 static int 2554 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2555 u32 __always_unused *rule_locs) 2556 { 2557 struct ice_netdev_priv *np = netdev_priv(netdev); 2558 struct ice_vsi *vsi = np->vsi; 2559 int ret = -EOPNOTSUPP; 2560 2561 switch (cmd->cmd) { 2562 case ETHTOOL_GRXRINGS: 2563 cmd->data = vsi->rss_size; 2564 ret = 0; 2565 break; 2566 default: 2567 break; 2568 } 2569 2570 return ret; 2571 } 2572 2573 static void 2574 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2575 { 2576 struct ice_netdev_priv *np = netdev_priv(netdev); 2577 struct ice_vsi *vsi = np->vsi; 2578 2579 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2580 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2581 ring->rx_pending = vsi->rx_rings[0]->count; 2582 ring->tx_pending = vsi->tx_rings[0]->count; 2583 2584 /* Rx mini and jumbo rings are not supported */ 2585 ring->rx_mini_max_pending = 0; 2586 ring->rx_jumbo_max_pending = 0; 2587 ring->rx_mini_pending = 0; 2588 ring->rx_jumbo_pending = 0; 2589 } 2590 2591 static int 2592 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2593 { 2594 struct ice_ring *tx_rings = NULL, *rx_rings = NULL; 2595 struct ice_netdev_priv *np = netdev_priv(netdev); 2596 struct ice_vsi *vsi = np->vsi; 2597 struct ice_pf *pf = vsi->back; 2598 int i, timeout = 50, err = 0; 2599 u32 new_rx_cnt, new_tx_cnt; 2600 2601 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2602 ring->tx_pending < ICE_MIN_NUM_DESC || 2603 ring->rx_pending > ICE_MAX_NUM_DESC || 2604 ring->rx_pending < ICE_MIN_NUM_DESC) { 2605 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2606 ring->tx_pending, ring->rx_pending, 2607 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2608 ICE_REQ_DESC_MULTIPLE); 2609 return -EINVAL; 2610 } 2611 2612 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2613 if (new_tx_cnt != ring->tx_pending) 2614 netdev_info(netdev, 2615 "Requested Tx descriptor count rounded up to %d\n", 2616 new_tx_cnt); 2617 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2618 if (new_rx_cnt != ring->rx_pending) 2619 netdev_info(netdev, 2620 "Requested Rx descriptor count rounded up to %d\n", 2621 new_rx_cnt); 2622 2623 /* if nothing to do return success */ 2624 if (new_tx_cnt == vsi->tx_rings[0]->count && 2625 new_rx_cnt == vsi->rx_rings[0]->count) { 2626 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2627 return 0; 2628 } 2629 2630 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2631 timeout--; 2632 if (!timeout) 2633 return -EBUSY; 2634 usleep_range(1000, 2000); 2635 } 2636 2637 /* set for the next time the netdev is started */ 2638 if (!netif_running(vsi->netdev)) { 2639 for (i = 0; i < vsi->alloc_txq; i++) 2640 vsi->tx_rings[i]->count = new_tx_cnt; 2641 for (i = 0; i < vsi->alloc_rxq; i++) 2642 vsi->rx_rings[i]->count = new_rx_cnt; 2643 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2644 goto done; 2645 } 2646 2647 if (new_tx_cnt == vsi->tx_rings[0]->count) 2648 goto process_rx; 2649 2650 /* alloc updated Tx resources */ 2651 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2652 vsi->tx_rings[0]->count, new_tx_cnt); 2653 2654 tx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_txq, 2655 sizeof(*tx_rings), GFP_KERNEL); 2656 if (!tx_rings) { 2657 err = -ENOMEM; 2658 goto done; 2659 } 2660 2661 for (i = 0; i < vsi->alloc_txq; i++) { 2662 /* clone ring and setup updated count */ 2663 tx_rings[i] = *vsi->tx_rings[i]; 2664 tx_rings[i].count = new_tx_cnt; 2665 tx_rings[i].desc = NULL; 2666 tx_rings[i].tx_buf = NULL; 2667 err = ice_setup_tx_ring(&tx_rings[i]); 2668 if (err) { 2669 while (i) { 2670 i--; 2671 ice_clean_tx_ring(&tx_rings[i]); 2672 } 2673 devm_kfree(&pf->pdev->dev, tx_rings); 2674 goto done; 2675 } 2676 } 2677 2678 process_rx: 2679 if (new_rx_cnt == vsi->rx_rings[0]->count) 2680 goto process_link; 2681 2682 /* alloc updated Rx resources */ 2683 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2684 vsi->rx_rings[0]->count, new_rx_cnt); 2685 2686 rx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_rxq, 2687 sizeof(*rx_rings), GFP_KERNEL); 2688 if (!rx_rings) { 2689 err = -ENOMEM; 2690 goto done; 2691 } 2692 2693 for (i = 0; i < vsi->alloc_rxq; i++) { 2694 /* clone ring and setup updated count */ 2695 rx_rings[i] = *vsi->rx_rings[i]; 2696 rx_rings[i].count = new_rx_cnt; 2697 rx_rings[i].desc = NULL; 2698 rx_rings[i].rx_buf = NULL; 2699 /* this is to allow wr32 to have something to write to 2700 * during early allocation of Rx buffers 2701 */ 2702 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2703 2704 err = ice_setup_rx_ring(&rx_rings[i]); 2705 if (err) 2706 goto rx_unwind; 2707 2708 /* allocate Rx buffers */ 2709 err = ice_alloc_rx_bufs(&rx_rings[i], 2710 ICE_DESC_UNUSED(&rx_rings[i])); 2711 rx_unwind: 2712 if (err) { 2713 while (i) { 2714 i--; 2715 ice_free_rx_ring(&rx_rings[i]); 2716 } 2717 devm_kfree(&pf->pdev->dev, rx_rings); 2718 err = -ENOMEM; 2719 goto free_tx; 2720 } 2721 } 2722 2723 process_link: 2724 /* Bring interface down, copy in the new ring info, then restore the 2725 * interface. if VSI is up, bring it down and then back up 2726 */ 2727 if (!test_and_set_bit(__ICE_DOWN, vsi->state)) { 2728 ice_down(vsi); 2729 2730 if (tx_rings) { 2731 for (i = 0; i < vsi->alloc_txq; i++) { 2732 ice_free_tx_ring(vsi->tx_rings[i]); 2733 *vsi->tx_rings[i] = tx_rings[i]; 2734 } 2735 devm_kfree(&pf->pdev->dev, tx_rings); 2736 } 2737 2738 if (rx_rings) { 2739 for (i = 0; i < vsi->alloc_rxq; i++) { 2740 ice_free_rx_ring(vsi->rx_rings[i]); 2741 /* copy the real tail offset */ 2742 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2743 /* this is to fake out the allocation routine 2744 * into thinking it has to realloc everything 2745 * but the recycling logic will let us re-use 2746 * the buffers allocated above 2747 */ 2748 rx_rings[i].next_to_use = 0; 2749 rx_rings[i].next_to_clean = 0; 2750 rx_rings[i].next_to_alloc = 0; 2751 *vsi->rx_rings[i] = rx_rings[i]; 2752 } 2753 devm_kfree(&pf->pdev->dev, rx_rings); 2754 } 2755 2756 ice_up(vsi); 2757 } 2758 goto done; 2759 2760 free_tx: 2761 /* error cleanup if the Rx allocations failed after getting Tx */ 2762 if (tx_rings) { 2763 for (i = 0; i < vsi->alloc_txq; i++) 2764 ice_free_tx_ring(&tx_rings[i]); 2765 devm_kfree(&pf->pdev->dev, tx_rings); 2766 } 2767 2768 done: 2769 clear_bit(__ICE_CFG_BUSY, pf->state); 2770 return err; 2771 } 2772 2773 static int ice_nway_reset(struct net_device *netdev) 2774 { 2775 /* restart autonegotiation */ 2776 struct ice_netdev_priv *np = netdev_priv(netdev); 2777 struct ice_vsi *vsi = np->vsi; 2778 struct ice_port_info *pi; 2779 enum ice_status status; 2780 2781 pi = vsi->port_info; 2782 /* If VSI state is up, then restart autoneg with link up */ 2783 if (!test_bit(__ICE_DOWN, vsi->back->state)) 2784 status = ice_aq_set_link_restart_an(pi, true, NULL); 2785 else 2786 status = ice_aq_set_link_restart_an(pi, false, NULL); 2787 2788 if (status) { 2789 netdev_info(netdev, "link restart failed, err %d aq_err %d\n", 2790 status, pi->hw->adminq.sq_last_status); 2791 return -EIO; 2792 } 2793 2794 return 0; 2795 } 2796 2797 /** 2798 * ice_get_pauseparam - Get Flow Control status 2799 * @netdev: network interface device structure 2800 * @pause: ethernet pause (flow control) parameters 2801 * 2802 * Get requested flow control status from PHY capability. 2803 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2804 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2805 * the negotiated Rx/Tx pause via lp_advertising. 2806 */ 2807 static void 2808 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2809 { 2810 struct ice_netdev_priv *np = netdev_priv(netdev); 2811 struct ice_port_info *pi = np->vsi->port_info; 2812 struct ice_aqc_get_phy_caps_data *pcaps; 2813 struct ice_vsi *vsi = np->vsi; 2814 struct ice_dcbx_cfg *dcbx_cfg; 2815 enum ice_status status; 2816 2817 /* Initialize pause params */ 2818 pause->rx_pause = 0; 2819 pause->tx_pause = 0; 2820 2821 dcbx_cfg = &pi->local_dcbx_cfg; 2822 2823 pcaps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*pcaps), 2824 GFP_KERNEL); 2825 if (!pcaps) 2826 return; 2827 2828 /* Get current PHY config */ 2829 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 2830 NULL); 2831 if (status) 2832 goto out; 2833 2834 pause->autoneg = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ? 2835 AUTONEG_ENABLE : AUTONEG_DISABLE); 2836 2837 if (dcbx_cfg->pfc.pfcena) 2838 /* PFC enabled so report LFC as off */ 2839 goto out; 2840 2841 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 2842 pause->tx_pause = 1; 2843 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 2844 pause->rx_pause = 1; 2845 2846 out: 2847 devm_kfree(&vsi->back->pdev->dev, pcaps); 2848 } 2849 2850 /** 2851 * ice_set_pauseparam - Set Flow Control parameter 2852 * @netdev: network interface device structure 2853 * @pause: return Tx/Rx flow control status 2854 */ 2855 static int 2856 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2857 { 2858 struct ice_netdev_priv *np = netdev_priv(netdev); 2859 struct ice_link_status *hw_link_info; 2860 struct ice_pf *pf = np->vsi->back; 2861 struct ice_dcbx_cfg *dcbx_cfg; 2862 struct ice_vsi *vsi = np->vsi; 2863 struct ice_hw *hw = &pf->hw; 2864 struct ice_port_info *pi; 2865 enum ice_status status; 2866 u8 aq_failures; 2867 bool link_up; 2868 int err = 0; 2869 2870 pi = vsi->port_info; 2871 hw_link_info = &pi->phy.link_info; 2872 dcbx_cfg = &pi->local_dcbx_cfg; 2873 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 2874 2875 /* Changing the port's flow control is not supported if this isn't the 2876 * PF VSI 2877 */ 2878 if (vsi->type != ICE_VSI_PF) { 2879 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 2880 return -EOPNOTSUPP; 2881 } 2882 2883 if (pause->autoneg != (hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 2884 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 2885 return -EOPNOTSUPP; 2886 } 2887 2888 /* If we have link and don't have autoneg */ 2889 if (!test_bit(__ICE_DOWN, pf->state) && 2890 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 2891 /* Send message that it might not necessarily work*/ 2892 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 2893 } 2894 2895 if (dcbx_cfg->pfc.pfcena) { 2896 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 2897 return -EOPNOTSUPP; 2898 } 2899 if (pause->rx_pause && pause->tx_pause) 2900 pi->fc.req_mode = ICE_FC_FULL; 2901 else if (pause->rx_pause && !pause->tx_pause) 2902 pi->fc.req_mode = ICE_FC_RX_PAUSE; 2903 else if (!pause->rx_pause && pause->tx_pause) 2904 pi->fc.req_mode = ICE_FC_TX_PAUSE; 2905 else if (!pause->rx_pause && !pause->tx_pause) 2906 pi->fc.req_mode = ICE_FC_NONE; 2907 else 2908 return -EINVAL; 2909 2910 /* Tell the OS link is going down, the link will go back up when fw 2911 * says it is ready asynchronously 2912 */ 2913 ice_print_link_msg(vsi, false); 2914 netif_carrier_off(netdev); 2915 netif_tx_stop_all_queues(netdev); 2916 2917 /* Set the FC mode and only restart AN if link is up */ 2918 status = ice_set_fc(pi, &aq_failures, link_up); 2919 2920 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 2921 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %d\n", 2922 status, hw->adminq.sq_last_status); 2923 err = -EAGAIN; 2924 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 2925 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %d\n", 2926 status, hw->adminq.sq_last_status); 2927 err = -EAGAIN; 2928 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 2929 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %d\n", 2930 status, hw->adminq.sq_last_status); 2931 err = -EAGAIN; 2932 } 2933 2934 if (!test_bit(__ICE_DOWN, pf->state)) { 2935 /* Give it a little more time to try to come back. If still 2936 * down, restart autoneg link or reinitialize the interface. 2937 */ 2938 msleep(75); 2939 if (!test_bit(__ICE_DOWN, pf->state)) 2940 return ice_nway_reset(netdev); 2941 2942 ice_down(vsi); 2943 ice_up(vsi); 2944 } 2945 2946 return err; 2947 } 2948 2949 /** 2950 * ice_get_rxfh_key_size - get the RSS hash key size 2951 * @netdev: network interface device structure 2952 * 2953 * Returns the table size. 2954 */ 2955 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 2956 { 2957 return ICE_VSIQF_HKEY_ARRAY_SIZE; 2958 } 2959 2960 /** 2961 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 2962 * @netdev: network interface device structure 2963 * 2964 * Returns the table size. 2965 */ 2966 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 2967 { 2968 struct ice_netdev_priv *np = netdev_priv(netdev); 2969 2970 return np->vsi->rss_table_size; 2971 } 2972 2973 /** 2974 * ice_get_rxfh - get the Rx flow hash indirection table 2975 * @netdev: network interface device structure 2976 * @indir: indirection table 2977 * @key: hash key 2978 * @hfunc: hash function 2979 * 2980 * Reads the indirection table directly from the hardware. 2981 */ 2982 static int 2983 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 2984 { 2985 struct ice_netdev_priv *np = netdev_priv(netdev); 2986 struct ice_vsi *vsi = np->vsi; 2987 struct ice_pf *pf = vsi->back; 2988 int ret = 0, i; 2989 u8 *lut; 2990 2991 if (hfunc) 2992 *hfunc = ETH_RSS_HASH_TOP; 2993 2994 if (!indir) 2995 return 0; 2996 2997 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 2998 /* RSS not supported return error here */ 2999 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3000 return -EIO; 3001 } 3002 3003 lut = devm_kzalloc(&pf->pdev->dev, vsi->rss_table_size, GFP_KERNEL); 3004 if (!lut) 3005 return -ENOMEM; 3006 3007 if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) { 3008 ret = -EIO; 3009 goto out; 3010 } 3011 3012 for (i = 0; i < vsi->rss_table_size; i++) 3013 indir[i] = (u32)(lut[i]); 3014 3015 out: 3016 devm_kfree(&pf->pdev->dev, lut); 3017 return ret; 3018 } 3019 3020 /** 3021 * ice_set_rxfh - set the Rx flow hash indirection table 3022 * @netdev: network interface device structure 3023 * @indir: indirection table 3024 * @key: hash key 3025 * @hfunc: hash function 3026 * 3027 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3028 * returns 0 after programming the table. 3029 */ 3030 static int 3031 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3032 const u8 hfunc) 3033 { 3034 struct ice_netdev_priv *np = netdev_priv(netdev); 3035 struct ice_vsi *vsi = np->vsi; 3036 struct ice_pf *pf = vsi->back; 3037 u8 *seed = NULL; 3038 3039 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3040 return -EOPNOTSUPP; 3041 3042 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3043 /* RSS not supported return error here */ 3044 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3045 return -EIO; 3046 } 3047 3048 if (key) { 3049 if (!vsi->rss_hkey_user) { 3050 vsi->rss_hkey_user = 3051 devm_kzalloc(&pf->pdev->dev, 3052 ICE_VSIQF_HKEY_ARRAY_SIZE, 3053 GFP_KERNEL); 3054 if (!vsi->rss_hkey_user) 3055 return -ENOMEM; 3056 } 3057 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3058 seed = vsi->rss_hkey_user; 3059 } 3060 3061 if (!vsi->rss_lut_user) { 3062 vsi->rss_lut_user = devm_kzalloc(&pf->pdev->dev, 3063 vsi->rss_table_size, 3064 GFP_KERNEL); 3065 if (!vsi->rss_lut_user) 3066 return -ENOMEM; 3067 } 3068 3069 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3070 if (indir) { 3071 int i; 3072 3073 for (i = 0; i < vsi->rss_table_size; i++) 3074 vsi->rss_lut_user[i] = (u8)(indir[i]); 3075 } else { 3076 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3077 vsi->rss_size); 3078 } 3079 3080 if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size)) 3081 return -EIO; 3082 3083 return 0; 3084 } 3085 3086 enum ice_container_type { 3087 ICE_RX_CONTAINER, 3088 ICE_TX_CONTAINER, 3089 }; 3090 3091 /** 3092 * ice_get_rc_coalesce - get ITR values for specific ring container 3093 * @ec: ethtool structure to fill with driver's coalesce settings 3094 * @c_type: container type, Rx or Tx 3095 * @rc: ring container that the ITR values will come from 3096 * 3097 * Query the device for ice_ring_container specific ITR values. This is 3098 * done per ice_ring_container because each q_vector can have 1 or more rings 3099 * and all of said ring(s) will have the same ITR values. 3100 * 3101 * Returns 0 on success, negative otherwise. 3102 */ 3103 static int 3104 ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type, 3105 struct ice_ring_container *rc) 3106 { 3107 struct ice_pf *pf; 3108 3109 if (!rc->ring) 3110 return -EINVAL; 3111 3112 pf = rc->ring->vsi->back; 3113 3114 switch (c_type) { 3115 case ICE_RX_CONTAINER: 3116 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3117 ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3118 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl; 3119 break; 3120 case ICE_TX_CONTAINER: 3121 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3122 ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3123 break; 3124 default: 3125 dev_dbg(&pf->pdev->dev, "Invalid c_type %d\n", c_type); 3126 return -EINVAL; 3127 } 3128 3129 return 0; 3130 } 3131 3132 /** 3133 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3134 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3135 * @ec: coalesce settings to program the device with 3136 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3137 * 3138 * Return 0 on success, and negative under the following conditions: 3139 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3140 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3141 */ 3142 static int 3143 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3144 { 3145 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3146 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3147 &vsi->rx_rings[q_num]->q_vector->rx)) 3148 return -EINVAL; 3149 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3150 &vsi->tx_rings[q_num]->q_vector->tx)) 3151 return -EINVAL; 3152 } else if (q_num < vsi->num_rxq) { 3153 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3154 &vsi->rx_rings[q_num]->q_vector->rx)) 3155 return -EINVAL; 3156 } else if (q_num < vsi->num_txq) { 3157 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3158 &vsi->tx_rings[q_num]->q_vector->tx)) 3159 return -EINVAL; 3160 } else { 3161 return -EINVAL; 3162 } 3163 3164 return 0; 3165 } 3166 3167 /** 3168 * __ice_get_coalesce - get ITR/INTRL values for the device 3169 * @netdev: pointer to the netdev associated with this query 3170 * @ec: ethtool structure to fill with driver's coalesce settings 3171 * @q_num: queue number to get the coalesce settings for 3172 * 3173 * If the caller passes in a negative q_num then we return coalesce settings 3174 * based on queue number 0, else use the actual q_num passed in. 3175 */ 3176 static int 3177 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3178 int q_num) 3179 { 3180 struct ice_netdev_priv *np = netdev_priv(netdev); 3181 struct ice_vsi *vsi = np->vsi; 3182 3183 if (q_num < 0) 3184 q_num = 0; 3185 3186 if (ice_get_q_coalesce(vsi, ec, q_num)) 3187 return -EINVAL; 3188 3189 if (q_num < vsi->num_txq) 3190 ec->tx_max_coalesced_frames_irq = vsi->work_lmt; 3191 3192 if (q_num < vsi->num_rxq) 3193 ec->rx_max_coalesced_frames_irq = vsi->work_lmt; 3194 3195 return 0; 3196 } 3197 3198 static int 3199 ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3200 { 3201 return __ice_get_coalesce(netdev, ec, -1); 3202 } 3203 3204 static int 3205 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3206 struct ethtool_coalesce *ec) 3207 { 3208 return __ice_get_coalesce(netdev, ec, q_num); 3209 } 3210 3211 /** 3212 * ice_set_rc_coalesce - set ITR values for specific ring container 3213 * @c_type: container type, Rx or Tx 3214 * @ec: ethtool structure from user to update ITR settings 3215 * @rc: ring container that the ITR values will come from 3216 * @vsi: VSI associated to the ring container 3217 * 3218 * Set specific ITR values. This is done per ice_ring_container because each 3219 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3220 * ITR values. 3221 * 3222 * Returns 0 on success, negative otherwise. 3223 */ 3224 static int 3225 ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, 3226 struct ice_ring_container *rc, struct ice_vsi *vsi) 3227 { 3228 struct ice_pf *pf = vsi->back; 3229 u16 itr_setting; 3230 3231 if (!rc->ring) 3232 return -EINVAL; 3233 3234 itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3235 3236 switch (c_type) { 3237 case ICE_RX_CONTAINER: 3238 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3239 (ec->rx_coalesce_usecs_high && 3240 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3241 netdev_info(vsi->netdev, 3242 "Invalid value, rx-usecs-high valid values are 0 (disabled), %d-%d\n", 3243 pf->hw.intrl_gran, ICE_MAX_INTRL); 3244 return -EINVAL; 3245 } 3246 3247 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) { 3248 rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high; 3249 wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx), 3250 ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high, 3251 pf->hw.intrl_gran)); 3252 } 3253 3254 if (ec->rx_coalesce_usecs != itr_setting && 3255 ec->use_adaptive_rx_coalesce) { 3256 netdev_info(vsi->netdev, 3257 "Rx interrupt throttling cannot be changed if adaptive-rx is enabled\n"); 3258 return -EINVAL; 3259 } 3260 3261 if (ec->rx_coalesce_usecs > ICE_ITR_MAX) { 3262 netdev_info(vsi->netdev, 3263 "Invalid value, rx-usecs range is 0-%d\n", 3264 ICE_ITR_MAX); 3265 return -EINVAL; 3266 } 3267 3268 if (ec->use_adaptive_rx_coalesce) { 3269 rc->itr_setting |= ICE_ITR_DYNAMIC; 3270 } else { 3271 rc->itr_setting = ITR_REG_ALIGN(ec->rx_coalesce_usecs); 3272 rc->target_itr = ITR_TO_REG(rc->itr_setting); 3273 } 3274 break; 3275 case ICE_TX_CONTAINER: 3276 if (ec->tx_coalesce_usecs_high) { 3277 netdev_info(vsi->netdev, 3278 "setting tx-usecs-high is not supported\n"); 3279 return -EINVAL; 3280 } 3281 3282 if (ec->tx_coalesce_usecs != itr_setting && 3283 ec->use_adaptive_tx_coalesce) { 3284 netdev_info(vsi->netdev, 3285 "Tx interrupt throttling cannot be changed if adaptive-tx is enabled\n"); 3286 return -EINVAL; 3287 } 3288 3289 if (ec->tx_coalesce_usecs > ICE_ITR_MAX) { 3290 netdev_info(vsi->netdev, 3291 "Invalid value, tx-usecs range is 0-%d\n", 3292 ICE_ITR_MAX); 3293 return -EINVAL; 3294 } 3295 3296 if (ec->use_adaptive_tx_coalesce) { 3297 rc->itr_setting |= ICE_ITR_DYNAMIC; 3298 } else { 3299 rc->itr_setting = ITR_REG_ALIGN(ec->tx_coalesce_usecs); 3300 rc->target_itr = ITR_TO_REG(rc->itr_setting); 3301 } 3302 break; 3303 default: 3304 dev_dbg(&pf->pdev->dev, "Invalid container type %d\n", c_type); 3305 return -EINVAL; 3306 } 3307 3308 return 0; 3309 } 3310 3311 /** 3312 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3313 * @vsi: VSI associated to the queue that need updating 3314 * @ec: coalesce settings to program the device with 3315 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3316 * 3317 * Return 0 on success, and negative under the following conditions: 3318 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3319 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3320 */ 3321 static int 3322 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3323 { 3324 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3325 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3326 &vsi->rx_rings[q_num]->q_vector->rx, 3327 vsi)) 3328 return -EINVAL; 3329 3330 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3331 &vsi->tx_rings[q_num]->q_vector->tx, 3332 vsi)) 3333 return -EINVAL; 3334 } else if (q_num < vsi->num_rxq) { 3335 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3336 &vsi->rx_rings[q_num]->q_vector->rx, 3337 vsi)) 3338 return -EINVAL; 3339 } else if (q_num < vsi->num_txq) { 3340 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3341 &vsi->tx_rings[q_num]->q_vector->tx, 3342 vsi)) 3343 return -EINVAL; 3344 } else { 3345 return -EINVAL; 3346 } 3347 3348 return 0; 3349 } 3350 3351 /** 3352 * __ice_set_coalesce - set ITR/INTRL values for the device 3353 * @netdev: pointer to the netdev associated with this query 3354 * @ec: ethtool structure to fill with driver's coalesce settings 3355 * @q_num: queue number to get the coalesce settings for 3356 * 3357 * If the caller passes in a negative q_num then we set the coalesce settings 3358 * for all Tx/Rx queues, else use the actual q_num passed in. 3359 */ 3360 static int 3361 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3362 int q_num) 3363 { 3364 struct ice_netdev_priv *np = netdev_priv(netdev); 3365 struct ice_vsi *vsi = np->vsi; 3366 3367 if (q_num < 0) { 3368 int i; 3369 3370 ice_for_each_q_vector(vsi, i) { 3371 if (ice_set_q_coalesce(vsi, ec, i)) 3372 return -EINVAL; 3373 } 3374 goto set_work_lmt; 3375 } 3376 3377 if (ice_set_q_coalesce(vsi, ec, q_num)) 3378 return -EINVAL; 3379 3380 set_work_lmt: 3381 3382 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) 3383 vsi->work_lmt = max(ec->tx_max_coalesced_frames_irq, 3384 ec->rx_max_coalesced_frames_irq); 3385 3386 return 0; 3387 } 3388 3389 static int 3390 ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3391 { 3392 return __ice_set_coalesce(netdev, ec, -1); 3393 } 3394 3395 static int 3396 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3397 struct ethtool_coalesce *ec) 3398 { 3399 return __ice_set_coalesce(netdev, ec, q_num); 3400 } 3401 3402 static const struct ethtool_ops ice_ethtool_ops = { 3403 .get_link_ksettings = ice_get_link_ksettings, 3404 .set_link_ksettings = ice_set_link_ksettings, 3405 .get_drvinfo = ice_get_drvinfo, 3406 .get_regs_len = ice_get_regs_len, 3407 .get_regs = ice_get_regs, 3408 .get_msglevel = ice_get_msglevel, 3409 .set_msglevel = ice_set_msglevel, 3410 .self_test = ice_self_test, 3411 .get_link = ethtool_op_get_link, 3412 .get_eeprom_len = ice_get_eeprom_len, 3413 .get_eeprom = ice_get_eeprom, 3414 .get_coalesce = ice_get_coalesce, 3415 .set_coalesce = ice_set_coalesce, 3416 .get_strings = ice_get_strings, 3417 .set_phys_id = ice_set_phys_id, 3418 .get_ethtool_stats = ice_get_ethtool_stats, 3419 .get_priv_flags = ice_get_priv_flags, 3420 .set_priv_flags = ice_set_priv_flags, 3421 .get_sset_count = ice_get_sset_count, 3422 .get_rxnfc = ice_get_rxnfc, 3423 .get_ringparam = ice_get_ringparam, 3424 .set_ringparam = ice_set_ringparam, 3425 .nway_reset = ice_nway_reset, 3426 .get_pauseparam = ice_get_pauseparam, 3427 .set_pauseparam = ice_set_pauseparam, 3428 .get_rxfh_key_size = ice_get_rxfh_key_size, 3429 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 3430 .get_rxfh = ice_get_rxfh, 3431 .set_rxfh = ice_set_rxfh, 3432 .get_ts_info = ethtool_op_get_ts_info, 3433 .get_per_queue_coalesce = ice_get_per_q_coalesce, 3434 .set_per_queue_coalesce = ice_set_per_q_coalesce, 3435 .get_fecparam = ice_get_fecparam, 3436 .set_fecparam = ice_set_fecparam, 3437 }; 3438 3439 /** 3440 * ice_set_ethtool_ops - setup netdev ethtool ops 3441 * @netdev: network interface device structure 3442 * 3443 * setup netdev ethtool ops with ice specific ops 3444 */ 3445 void ice_set_ethtool_ops(struct net_device *netdev) 3446 { 3447 netdev->ethtool_ops = &ice_ethtool_ops; 3448 } 3449