1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 /* ethtool support for ice */ 5 6 #include "ice.h" 7 #include "ice_lib.h" 8 #include "ice_dcb_lib.h" 9 10 struct ice_stats { 11 char stat_string[ETH_GSTRING_LEN]; 12 int sizeof_stat; 13 int stat_offset; 14 }; 15 16 #define ICE_STAT(_type, _name, _stat) { \ 17 .stat_string = _name, \ 18 .sizeof_stat = FIELD_SIZEOF(_type, _stat), \ 19 .stat_offset = offsetof(_type, _stat) \ 20 } 21 22 #define ICE_VSI_STAT(_name, _stat) \ 23 ICE_STAT(struct ice_vsi, _name, _stat) 24 #define ICE_PF_STAT(_name, _stat) \ 25 ICE_STAT(struct ice_pf, _name, _stat) 26 27 static int ice_q_stats_len(struct net_device *netdev) 28 { 29 struct ice_netdev_priv *np = netdev_priv(netdev); 30 31 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 32 (sizeof(struct ice_q_stats) / sizeof(u64))); 33 } 34 35 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 36 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 37 38 #define ICE_PFC_STATS_LEN ( \ 39 (FIELD_SIZEOF(struct ice_pf, stats.priority_xoff_rx) + \ 40 FIELD_SIZEOF(struct ice_pf, stats.priority_xon_rx) + \ 41 FIELD_SIZEOF(struct ice_pf, stats.priority_xoff_tx) + \ 42 FIELD_SIZEOF(struct ice_pf, stats.priority_xon_tx)) \ 43 / sizeof(u64)) 44 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 45 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 46 47 static const struct ice_stats ice_gstrings_vsi_stats[] = { 48 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 49 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 50 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 51 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 52 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 53 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 54 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 55 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 56 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 57 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 58 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 59 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 60 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 61 ICE_VSI_STAT("tx_linearize", tx_linearize), 62 }; 63 64 enum ice_ethtool_test_id { 65 ICE_ETH_TEST_REG = 0, 66 ICE_ETH_TEST_EEPROM, 67 ICE_ETH_TEST_INTR, 68 ICE_ETH_TEST_LOOP, 69 ICE_ETH_TEST_LINK, 70 }; 71 72 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 73 "Register test (offline)", 74 "EEPROM test (offline)", 75 "Interrupt test (offline)", 76 "Loopback test (offline)", 77 "Link test (on/offline)", 78 }; 79 80 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 81 82 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 83 * but they aren't. This device is capable of supporting multiple 84 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 85 * netdevs whereas the PF_STATs are for the physical function that's 86 * hosting these netdevs. 87 * 88 * The PF_STATs are appended to the netdev stats only when ethtool -S 89 * is queried on the base PF netdev. 90 */ 91 static const struct ice_stats ice_gstrings_pf_stats[] = { 92 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 93 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 94 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 95 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 96 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 97 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 98 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 99 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 100 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 101 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 102 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 103 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 104 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 105 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 106 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 107 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 108 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 109 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 110 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 111 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 112 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 113 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 114 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 115 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 116 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 117 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 118 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 119 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 120 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 121 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 122 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 123 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 124 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 125 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors), 126 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 127 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 128 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 129 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 130 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 131 }; 132 133 static const u32 ice_regs_dump_list[] = { 134 PFGEN_STATE, 135 PRTGEN_STATUS, 136 QRX_CTRL(0), 137 QINT_TQCTL(0), 138 QINT_RQCTL(0), 139 PFINT_OICR_ENA, 140 QRX_ITR(0), 141 PF0INT_ITR_0(0), 142 PF0INT_ITR_1(0), 143 PF0INT_ITR_2(0), 144 }; 145 146 struct ice_priv_flag { 147 char name[ETH_GSTRING_LEN]; 148 u32 bitno; /* bit position in pf->flags */ 149 }; 150 151 #define ICE_PRIV_FLAG(_name, _bitno) { \ 152 .name = _name, \ 153 .bitno = _bitno, \ 154 } 155 156 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 157 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 158 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 159 }; 160 161 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 162 163 /** 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_FW_LLDP_AGENT, change_flags)) { 1205 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, 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; 1323 int i = 0; 1324 char *p; 1325 1326 ice_update_pf_stats(pf); 1327 ice_update_vsi_stats(vsi); 1328 1329 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1330 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1331 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1332 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1333 } 1334 1335 /* populate per queue stats */ 1336 rcu_read_lock(); 1337 1338 ice_for_each_alloc_txq(vsi, j) { 1339 ring = READ_ONCE(vsi->tx_rings[j]); 1340 if (ring) { 1341 data[i++] = ring->stats.pkts; 1342 data[i++] = ring->stats.bytes; 1343 } else { 1344 data[i++] = 0; 1345 data[i++] = 0; 1346 } 1347 } 1348 1349 ice_for_each_alloc_rxq(vsi, j) { 1350 ring = READ_ONCE(vsi->rx_rings[j]); 1351 if (ring) { 1352 data[i++] = ring->stats.pkts; 1353 data[i++] = ring->stats.bytes; 1354 } else { 1355 data[i++] = 0; 1356 data[i++] = 0; 1357 } 1358 } 1359 1360 rcu_read_unlock(); 1361 1362 if (vsi->type != ICE_VSI_PF) 1363 return; 1364 1365 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1366 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1367 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1368 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1369 } 1370 1371 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1372 data[i++] = pf->stats.priority_xon_tx[j]; 1373 data[i++] = pf->stats.priority_xoff_tx[j]; 1374 } 1375 1376 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1377 data[i++] = pf->stats.priority_xon_rx[j]; 1378 data[i++] = pf->stats.priority_xoff_rx[j]; 1379 } 1380 } 1381 1382 /** 1383 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1384 * @netdev: network interface device structure 1385 * @ks: ethtool link ksettings struct to fill out 1386 */ 1387 static void 1388 ice_phy_type_to_ethtool(struct net_device *netdev, 1389 struct ethtool_link_ksettings *ks) 1390 { 1391 struct ice_netdev_priv *np = netdev_priv(netdev); 1392 struct ice_link_status *hw_link_info; 1393 bool need_add_adv_mode = false; 1394 struct ice_vsi *vsi = np->vsi; 1395 u64 phy_types_high; 1396 u64 phy_types_low; 1397 1398 hw_link_info = &vsi->port_info->phy.link_info; 1399 phy_types_low = vsi->port_info->phy.phy_type_low; 1400 phy_types_high = vsi->port_info->phy.phy_type_high; 1401 1402 ethtool_link_ksettings_zero_link_mode(ks, supported); 1403 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1404 1405 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || 1406 phy_types_low & ICE_PHY_TYPE_LOW_100M_SGMII) { 1407 ethtool_link_ksettings_add_link_mode(ks, supported, 1408 100baseT_Full); 1409 if (!hw_link_info->req_speeds || 1410 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100MB) 1411 ethtool_link_ksettings_add_link_mode(ks, advertising, 1412 100baseT_Full); 1413 } 1414 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || 1415 phy_types_low & ICE_PHY_TYPE_LOW_1G_SGMII) { 1416 ethtool_link_ksettings_add_link_mode(ks, supported, 1417 1000baseT_Full); 1418 if (!hw_link_info->req_speeds || 1419 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) 1420 ethtool_link_ksettings_add_link_mode(ks, advertising, 1421 1000baseT_Full); 1422 } 1423 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX) { 1424 ethtool_link_ksettings_add_link_mode(ks, supported, 1425 1000baseKX_Full); 1426 if (!hw_link_info->req_speeds || 1427 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) 1428 ethtool_link_ksettings_add_link_mode(ks, advertising, 1429 1000baseKX_Full); 1430 } 1431 if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_SX || 1432 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_LX) { 1433 ethtool_link_ksettings_add_link_mode(ks, supported, 1434 1000baseX_Full); 1435 if (!hw_link_info->req_speeds || 1436 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB) 1437 ethtool_link_ksettings_add_link_mode(ks, advertising, 1438 1000baseX_Full); 1439 } 1440 if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T) { 1441 ethtool_link_ksettings_add_link_mode(ks, supported, 1442 2500baseT_Full); 1443 if (!hw_link_info->req_speeds || 1444 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB) 1445 ethtool_link_ksettings_add_link_mode(ks, advertising, 1446 2500baseT_Full); 1447 } 1448 if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_X || 1449 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX) { 1450 ethtool_link_ksettings_add_link_mode(ks, supported, 1451 2500baseX_Full); 1452 if (!hw_link_info->req_speeds || 1453 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB) 1454 ethtool_link_ksettings_add_link_mode(ks, advertising, 1455 2500baseX_Full); 1456 } 1457 if (phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || 1458 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR) { 1459 ethtool_link_ksettings_add_link_mode(ks, supported, 1460 5000baseT_Full); 1461 if (!hw_link_info->req_speeds || 1462 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_5GB) 1463 ethtool_link_ksettings_add_link_mode(ks, advertising, 1464 5000baseT_Full); 1465 } 1466 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || 1467 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_DA || 1468 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC || 1469 phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_C2C) { 1470 ethtool_link_ksettings_add_link_mode(ks, supported, 1471 10000baseT_Full); 1472 if (!hw_link_info->req_speeds || 1473 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1474 ethtool_link_ksettings_add_link_mode(ks, advertising, 1475 10000baseT_Full); 1476 } 1477 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1) { 1478 ethtool_link_ksettings_add_link_mode(ks, supported, 1479 10000baseKR_Full); 1480 if (!hw_link_info->req_speeds || 1481 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1482 ethtool_link_ksettings_add_link_mode(ks, advertising, 1483 10000baseKR_Full); 1484 } 1485 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_SR) { 1486 ethtool_link_ksettings_add_link_mode(ks, supported, 1487 10000baseSR_Full); 1488 if (!hw_link_info->req_speeds || 1489 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1490 ethtool_link_ksettings_add_link_mode(ks, advertising, 1491 10000baseSR_Full); 1492 } 1493 if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_LR) { 1494 ethtool_link_ksettings_add_link_mode(ks, supported, 1495 10000baseLR_Full); 1496 if (!hw_link_info->req_speeds || 1497 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB) 1498 ethtool_link_ksettings_add_link_mode(ks, advertising, 1499 10000baseLR_Full); 1500 } 1501 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || 1502 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || 1503 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || 1504 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || 1505 phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC || 1506 phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_C2C) { 1507 ethtool_link_ksettings_add_link_mode(ks, supported, 1508 25000baseCR_Full); 1509 if (!hw_link_info->req_speeds || 1510 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) 1511 ethtool_link_ksettings_add_link_mode(ks, advertising, 1512 25000baseCR_Full); 1513 } 1514 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_SR || 1515 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_LR) { 1516 ethtool_link_ksettings_add_link_mode(ks, supported, 1517 25000baseSR_Full); 1518 if (!hw_link_info->req_speeds || 1519 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) 1520 ethtool_link_ksettings_add_link_mode(ks, advertising, 1521 25000baseSR_Full); 1522 } 1523 if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || 1524 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || 1525 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1) { 1526 ethtool_link_ksettings_add_link_mode(ks, supported, 1527 25000baseKR_Full); 1528 if (!hw_link_info->req_speeds || 1529 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB) 1530 ethtool_link_ksettings_add_link_mode(ks, advertising, 1531 25000baseKR_Full); 1532 } 1533 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { 1534 ethtool_link_ksettings_add_link_mode(ks, supported, 1535 40000baseKR4_Full); 1536 if (!hw_link_info->req_speeds || 1537 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1538 ethtool_link_ksettings_add_link_mode(ks, advertising, 1539 40000baseKR4_Full); 1540 } 1541 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || 1542 phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC || 1543 phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI) { 1544 ethtool_link_ksettings_add_link_mode(ks, supported, 1545 40000baseCR4_Full); 1546 if (!hw_link_info->req_speeds || 1547 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1548 ethtool_link_ksettings_add_link_mode(ks, advertising, 1549 40000baseCR4_Full); 1550 } 1551 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_SR4) { 1552 ethtool_link_ksettings_add_link_mode(ks, supported, 1553 40000baseSR4_Full); 1554 if (!hw_link_info->req_speeds || 1555 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1556 ethtool_link_ksettings_add_link_mode(ks, advertising, 1557 40000baseSR4_Full); 1558 } 1559 if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_LR4) { 1560 ethtool_link_ksettings_add_link_mode(ks, supported, 1561 40000baseLR4_Full); 1562 if (!hw_link_info->req_speeds || 1563 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB) 1564 ethtool_link_ksettings_add_link_mode(ks, advertising, 1565 40000baseLR4_Full); 1566 } 1567 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || 1568 phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC || 1569 phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2 || 1570 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC || 1571 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2 || 1572 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || 1573 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR || 1574 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC || 1575 phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1) { 1576 ethtool_link_ksettings_add_link_mode(ks, supported, 1577 50000baseCR2_Full); 1578 if (!hw_link_info->req_speeds || 1579 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) 1580 ethtool_link_ksettings_add_link_mode(ks, advertising, 1581 50000baseCR2_Full); 1582 } 1583 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || 1584 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { 1585 ethtool_link_ksettings_add_link_mode(ks, supported, 1586 50000baseKR2_Full); 1587 if (!hw_link_info->req_speeds || 1588 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) 1589 ethtool_link_ksettings_add_link_mode(ks, advertising, 1590 50000baseKR2_Full); 1591 } 1592 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR2 || 1593 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR2 || 1594 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_FR || 1595 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR) { 1596 ethtool_link_ksettings_add_link_mode(ks, supported, 1597 50000baseSR2_Full); 1598 if (!hw_link_info->req_speeds || 1599 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB) 1600 ethtool_link_ksettings_add_link_mode(ks, advertising, 1601 50000baseSR2_Full); 1602 } 1603 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || 1604 phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC || 1605 phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4 || 1606 phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC || 1607 phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4 || 1608 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 || 1609 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2 || 1610 phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC || 1611 phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2 || 1612 phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC || 1613 phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2) { 1614 ethtool_link_ksettings_add_link_mode(ks, supported, 1615 100000baseCR4_Full); 1616 if (!hw_link_info->req_speeds || 1617 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1618 need_add_adv_mode = true; 1619 } 1620 if (need_add_adv_mode) { 1621 need_add_adv_mode = false; 1622 ethtool_link_ksettings_add_link_mode(ks, advertising, 1623 100000baseCR4_Full); 1624 } 1625 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR4 || 1626 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR2) { 1627 ethtool_link_ksettings_add_link_mode(ks, supported, 1628 100000baseSR4_Full); 1629 if (!hw_link_info->req_speeds || 1630 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1631 need_add_adv_mode = true; 1632 } 1633 if (need_add_adv_mode) { 1634 need_add_adv_mode = false; 1635 ethtool_link_ksettings_add_link_mode(ks, advertising, 1636 100000baseSR4_Full); 1637 } 1638 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_LR4 || 1639 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_DR) { 1640 ethtool_link_ksettings_add_link_mode(ks, supported, 1641 100000baseLR4_ER4_Full); 1642 if (!hw_link_info->req_speeds || 1643 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1644 need_add_adv_mode = true; 1645 } 1646 if (need_add_adv_mode) { 1647 need_add_adv_mode = false; 1648 ethtool_link_ksettings_add_link_mode(ks, advertising, 1649 100000baseLR4_ER4_Full); 1650 } 1651 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || 1652 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || 1653 phy_types_high & ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4) { 1654 ethtool_link_ksettings_add_link_mode(ks, supported, 1655 100000baseKR4_Full); 1656 if (!hw_link_info->req_speeds || 1657 hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB) 1658 need_add_adv_mode = true; 1659 } 1660 if (need_add_adv_mode) 1661 ethtool_link_ksettings_add_link_mode(ks, advertising, 1662 100000baseKR4_Full); 1663 1664 /* Autoneg PHY types */ 1665 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || 1666 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || 1667 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX || 1668 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T || 1669 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX || 1670 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || 1671 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR || 1672 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || 1673 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 || 1674 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || 1675 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || 1676 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || 1677 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || 1678 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || 1679 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || 1680 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1 || 1681 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || 1682 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { 1683 ethtool_link_ksettings_add_link_mode(ks, supported, 1684 Autoneg); 1685 ethtool_link_ksettings_add_link_mode(ks, advertising, 1686 Autoneg); 1687 } 1688 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || 1689 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || 1690 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || 1691 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { 1692 ethtool_link_ksettings_add_link_mode(ks, supported, 1693 Autoneg); 1694 ethtool_link_ksettings_add_link_mode(ks, advertising, 1695 Autoneg); 1696 } 1697 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || 1698 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || 1699 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || 1700 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) { 1701 ethtool_link_ksettings_add_link_mode(ks, supported, 1702 Autoneg); 1703 ethtool_link_ksettings_add_link_mode(ks, advertising, 1704 Autoneg); 1705 } 1706 } 1707 1708 #define TEST_SET_BITS_TIMEOUT 50 1709 #define TEST_SET_BITS_SLEEP_MAX 2000 1710 #define TEST_SET_BITS_SLEEP_MIN 1000 1711 1712 /** 1713 * ice_get_settings_link_up - Get Link settings for when link is up 1714 * @ks: ethtool ksettings to fill in 1715 * @netdev: network interface device structure 1716 */ 1717 static void 1718 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1719 struct net_device *netdev) 1720 { 1721 struct ice_netdev_priv *np = netdev_priv(netdev); 1722 struct ice_port_info *pi = np->vsi->port_info; 1723 struct ethtool_link_ksettings cap_ksettings; 1724 struct ice_link_status *link_info; 1725 struct ice_vsi *vsi = np->vsi; 1726 bool unrecog_phy_high = false; 1727 bool unrecog_phy_low = false; 1728 1729 link_info = &vsi->port_info->phy.link_info; 1730 1731 /* Initialize supported and advertised settings based on PHY settings */ 1732 switch (link_info->phy_type_low) { 1733 case ICE_PHY_TYPE_LOW_100BASE_TX: 1734 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1735 ethtool_link_ksettings_add_link_mode(ks, supported, 1736 100baseT_Full); 1737 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1738 ethtool_link_ksettings_add_link_mode(ks, advertising, 1739 100baseT_Full); 1740 break; 1741 case ICE_PHY_TYPE_LOW_100M_SGMII: 1742 ethtool_link_ksettings_add_link_mode(ks, supported, 1743 100baseT_Full); 1744 break; 1745 case ICE_PHY_TYPE_LOW_1000BASE_T: 1746 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1747 ethtool_link_ksettings_add_link_mode(ks, supported, 1748 1000baseT_Full); 1749 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1750 ethtool_link_ksettings_add_link_mode(ks, advertising, 1751 1000baseT_Full); 1752 break; 1753 case ICE_PHY_TYPE_LOW_1G_SGMII: 1754 ethtool_link_ksettings_add_link_mode(ks, supported, 1755 1000baseT_Full); 1756 break; 1757 case ICE_PHY_TYPE_LOW_1000BASE_SX: 1758 case ICE_PHY_TYPE_LOW_1000BASE_LX: 1759 ethtool_link_ksettings_add_link_mode(ks, supported, 1760 1000baseX_Full); 1761 break; 1762 case ICE_PHY_TYPE_LOW_1000BASE_KX: 1763 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1764 ethtool_link_ksettings_add_link_mode(ks, supported, 1765 1000baseKX_Full); 1766 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1767 ethtool_link_ksettings_add_link_mode(ks, advertising, 1768 1000baseKX_Full); 1769 break; 1770 case ICE_PHY_TYPE_LOW_2500BASE_T: 1771 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1772 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1773 ethtool_link_ksettings_add_link_mode(ks, supported, 1774 2500baseT_Full); 1775 ethtool_link_ksettings_add_link_mode(ks, advertising, 1776 2500baseT_Full); 1777 break; 1778 case ICE_PHY_TYPE_LOW_2500BASE_X: 1779 ethtool_link_ksettings_add_link_mode(ks, supported, 1780 2500baseX_Full); 1781 break; 1782 case ICE_PHY_TYPE_LOW_2500BASE_KX: 1783 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1784 ethtool_link_ksettings_add_link_mode(ks, supported, 1785 2500baseX_Full); 1786 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1787 ethtool_link_ksettings_add_link_mode(ks, advertising, 1788 2500baseX_Full); 1789 break; 1790 case ICE_PHY_TYPE_LOW_5GBASE_T: 1791 case ICE_PHY_TYPE_LOW_5GBASE_KR: 1792 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1793 ethtool_link_ksettings_add_link_mode(ks, supported, 1794 5000baseT_Full); 1795 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1796 ethtool_link_ksettings_add_link_mode(ks, advertising, 1797 5000baseT_Full); 1798 break; 1799 case ICE_PHY_TYPE_LOW_10GBASE_T: 1800 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1801 ethtool_link_ksettings_add_link_mode(ks, supported, 1802 10000baseT_Full); 1803 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1804 ethtool_link_ksettings_add_link_mode(ks, advertising, 1805 10000baseT_Full); 1806 break; 1807 case ICE_PHY_TYPE_LOW_10G_SFI_DA: 1808 case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC: 1809 case ICE_PHY_TYPE_LOW_10G_SFI_C2C: 1810 ethtool_link_ksettings_add_link_mode(ks, supported, 1811 10000baseT_Full); 1812 break; 1813 case ICE_PHY_TYPE_LOW_10GBASE_SR: 1814 ethtool_link_ksettings_add_link_mode(ks, supported, 1815 10000baseSR_Full); 1816 break; 1817 case ICE_PHY_TYPE_LOW_10GBASE_LR: 1818 ethtool_link_ksettings_add_link_mode(ks, supported, 1819 10000baseLR_Full); 1820 break; 1821 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1: 1822 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1823 ethtool_link_ksettings_add_link_mode(ks, supported, 1824 10000baseKR_Full); 1825 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1826 ethtool_link_ksettings_add_link_mode(ks, advertising, 1827 10000baseKR_Full); 1828 break; 1829 case ICE_PHY_TYPE_LOW_25GBASE_T: 1830 case ICE_PHY_TYPE_LOW_25GBASE_CR: 1831 case ICE_PHY_TYPE_LOW_25GBASE_CR_S: 1832 case ICE_PHY_TYPE_LOW_25GBASE_CR1: 1833 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1834 ethtool_link_ksettings_add_link_mode(ks, supported, 1835 25000baseCR_Full); 1836 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1837 ethtool_link_ksettings_add_link_mode(ks, advertising, 1838 25000baseCR_Full); 1839 break; 1840 case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC: 1841 case ICE_PHY_TYPE_LOW_25G_AUI_C2C: 1842 ethtool_link_ksettings_add_link_mode(ks, supported, 1843 25000baseCR_Full); 1844 break; 1845 case ICE_PHY_TYPE_LOW_25GBASE_SR: 1846 case ICE_PHY_TYPE_LOW_25GBASE_LR: 1847 ethtool_link_ksettings_add_link_mode(ks, supported, 1848 25000baseSR_Full); 1849 break; 1850 case ICE_PHY_TYPE_LOW_25GBASE_KR: 1851 case ICE_PHY_TYPE_LOW_25GBASE_KR1: 1852 case ICE_PHY_TYPE_LOW_25GBASE_KR_S: 1853 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1854 ethtool_link_ksettings_add_link_mode(ks, supported, 1855 25000baseKR_Full); 1856 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1857 ethtool_link_ksettings_add_link_mode(ks, advertising, 1858 25000baseKR_Full); 1859 break; 1860 case ICE_PHY_TYPE_LOW_40GBASE_CR4: 1861 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1862 ethtool_link_ksettings_add_link_mode(ks, supported, 1863 40000baseCR4_Full); 1864 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1865 ethtool_link_ksettings_add_link_mode(ks, advertising, 1866 40000baseCR4_Full); 1867 break; 1868 case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC: 1869 case ICE_PHY_TYPE_LOW_40G_XLAUI: 1870 ethtool_link_ksettings_add_link_mode(ks, supported, 1871 40000baseCR4_Full); 1872 break; 1873 case ICE_PHY_TYPE_LOW_40GBASE_SR4: 1874 ethtool_link_ksettings_add_link_mode(ks, supported, 1875 40000baseSR4_Full); 1876 break; 1877 case ICE_PHY_TYPE_LOW_40GBASE_LR4: 1878 ethtool_link_ksettings_add_link_mode(ks, supported, 1879 40000baseLR4_Full); 1880 break; 1881 case ICE_PHY_TYPE_LOW_40GBASE_KR4: 1882 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1883 ethtool_link_ksettings_add_link_mode(ks, supported, 1884 40000baseKR4_Full); 1885 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1886 ethtool_link_ksettings_add_link_mode(ks, advertising, 1887 40000baseKR4_Full); 1888 break; 1889 case ICE_PHY_TYPE_LOW_50GBASE_CR2: 1890 case ICE_PHY_TYPE_LOW_50GBASE_CP: 1891 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1892 ethtool_link_ksettings_add_link_mode(ks, supported, 1893 50000baseCR2_Full); 1894 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1895 ethtool_link_ksettings_add_link_mode(ks, advertising, 1896 50000baseCR2_Full); 1897 break; 1898 case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC: 1899 case ICE_PHY_TYPE_LOW_50G_LAUI2: 1900 case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC: 1901 case ICE_PHY_TYPE_LOW_50G_AUI2: 1902 case ICE_PHY_TYPE_LOW_50GBASE_SR: 1903 case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC: 1904 case ICE_PHY_TYPE_LOW_50G_AUI1: 1905 ethtool_link_ksettings_add_link_mode(ks, supported, 1906 50000baseCR2_Full); 1907 break; 1908 case ICE_PHY_TYPE_LOW_50GBASE_KR2: 1909 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4: 1910 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1911 ethtool_link_ksettings_add_link_mode(ks, supported, 1912 50000baseKR2_Full); 1913 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1914 ethtool_link_ksettings_add_link_mode(ks, advertising, 1915 50000baseKR2_Full); 1916 break; 1917 case ICE_PHY_TYPE_LOW_50GBASE_SR2: 1918 case ICE_PHY_TYPE_LOW_50GBASE_LR2: 1919 case ICE_PHY_TYPE_LOW_50GBASE_FR: 1920 case ICE_PHY_TYPE_LOW_50GBASE_LR: 1921 ethtool_link_ksettings_add_link_mode(ks, supported, 1922 50000baseSR2_Full); 1923 break; 1924 case ICE_PHY_TYPE_LOW_100GBASE_CR4: 1925 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1926 ethtool_link_ksettings_add_link_mode(ks, supported, 1927 100000baseCR4_Full); 1928 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1929 ethtool_link_ksettings_add_link_mode(ks, advertising, 1930 100000baseCR4_Full); 1931 break; 1932 case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC: 1933 case ICE_PHY_TYPE_LOW_100G_CAUI4: 1934 case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC: 1935 case ICE_PHY_TYPE_LOW_100G_AUI4: 1936 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4: 1937 ethtool_link_ksettings_add_link_mode(ks, supported, 1938 100000baseCR4_Full); 1939 break; 1940 case ICE_PHY_TYPE_LOW_100GBASE_CP2: 1941 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1942 ethtool_link_ksettings_add_link_mode(ks, supported, 1943 100000baseCR4_Full); 1944 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1945 ethtool_link_ksettings_add_link_mode(ks, advertising, 1946 100000baseCR4_Full); 1947 break; 1948 case ICE_PHY_TYPE_LOW_100GBASE_SR4: 1949 case ICE_PHY_TYPE_LOW_100GBASE_SR2: 1950 ethtool_link_ksettings_add_link_mode(ks, supported, 1951 100000baseSR4_Full); 1952 break; 1953 case ICE_PHY_TYPE_LOW_100GBASE_LR4: 1954 case ICE_PHY_TYPE_LOW_100GBASE_DR: 1955 ethtool_link_ksettings_add_link_mode(ks, supported, 1956 100000baseLR4_ER4_Full); 1957 break; 1958 case ICE_PHY_TYPE_LOW_100GBASE_KR4: 1959 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4: 1960 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1961 ethtool_link_ksettings_add_link_mode(ks, supported, 1962 100000baseKR4_Full); 1963 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1964 ethtool_link_ksettings_add_link_mode(ks, advertising, 1965 100000baseKR4_Full); 1966 break; 1967 default: 1968 unrecog_phy_low = true; 1969 } 1970 1971 switch (link_info->phy_type_high) { 1972 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4: 1973 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1974 ethtool_link_ksettings_add_link_mode(ks, supported, 1975 100000baseKR4_Full); 1976 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1977 ethtool_link_ksettings_add_link_mode(ks, advertising, 1978 100000baseKR4_Full); 1979 break; 1980 case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC: 1981 case ICE_PHY_TYPE_HIGH_100G_CAUI2: 1982 case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC: 1983 case ICE_PHY_TYPE_HIGH_100G_AUI2: 1984 ethtool_link_ksettings_add_link_mode(ks, supported, 1985 100000baseCR4_Full); 1986 break; 1987 default: 1988 unrecog_phy_high = true; 1989 } 1990 1991 if (unrecog_phy_low && unrecog_phy_high) { 1992 /* if we got here and link is up something bad is afoot */ 1993 netdev_info(netdev, 1994 "WARNING: Unrecognized PHY_Low (0x%llx).\n", 1995 (u64)link_info->phy_type_low); 1996 netdev_info(netdev, 1997 "WARNING: Unrecognized PHY_High (0x%llx).\n", 1998 (u64)link_info->phy_type_high); 1999 } 2000 2001 /* Now that we've worked out everything that could be supported by the 2002 * current PHY type, get what is supported by the NVM and intersect 2003 * them to get what is truly supported 2004 */ 2005 memset(&cap_ksettings, 0, sizeof(cap_ksettings)); 2006 ice_phy_type_to_ethtool(netdev, &cap_ksettings); 2007 ethtool_intersect_link_masks(ks, &cap_ksettings); 2008 2009 switch (link_info->link_speed) { 2010 case ICE_AQ_LINK_SPEED_100GB: 2011 ks->base.speed = SPEED_100000; 2012 break; 2013 case ICE_AQ_LINK_SPEED_50GB: 2014 ks->base.speed = SPEED_50000; 2015 break; 2016 case ICE_AQ_LINK_SPEED_40GB: 2017 ks->base.speed = SPEED_40000; 2018 break; 2019 case ICE_AQ_LINK_SPEED_25GB: 2020 ks->base.speed = SPEED_25000; 2021 break; 2022 case ICE_AQ_LINK_SPEED_20GB: 2023 ks->base.speed = SPEED_20000; 2024 break; 2025 case ICE_AQ_LINK_SPEED_10GB: 2026 ks->base.speed = SPEED_10000; 2027 break; 2028 case ICE_AQ_LINK_SPEED_5GB: 2029 ks->base.speed = SPEED_5000; 2030 break; 2031 case ICE_AQ_LINK_SPEED_2500MB: 2032 ks->base.speed = SPEED_2500; 2033 break; 2034 case ICE_AQ_LINK_SPEED_1000MB: 2035 ks->base.speed = SPEED_1000; 2036 break; 2037 case ICE_AQ_LINK_SPEED_100MB: 2038 ks->base.speed = SPEED_100; 2039 break; 2040 default: 2041 netdev_info(netdev, 2042 "WARNING: Unrecognized link_speed (0x%x).\n", 2043 link_info->link_speed); 2044 break; 2045 } 2046 ks->base.duplex = DUPLEX_FULL; 2047 2048 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 2049 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2050 Autoneg); 2051 2052 /* Set flow control negotiated Rx/Tx pause */ 2053 switch (pi->fc.current_mode) { 2054 case ICE_FC_FULL: 2055 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2056 break; 2057 case ICE_FC_TX_PAUSE: 2058 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 2059 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2060 Asym_Pause); 2061 break; 2062 case ICE_FC_RX_PAUSE: 2063 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 2064 Asym_Pause); 2065 break; 2066 case ICE_FC_PFC: 2067 /* fall through */ 2068 default: 2069 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 2070 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 2071 Asym_Pause); 2072 break; 2073 } 2074 } 2075 2076 /** 2077 * ice_get_settings_link_down - Get the Link settings when link is down 2078 * @ks: ethtool ksettings to fill in 2079 * @netdev: network interface device structure 2080 * 2081 * Reports link settings that can be determined when link is down 2082 */ 2083 static void 2084 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 2085 struct net_device *netdev) 2086 { 2087 /* link is down and the driver needs to fall back on 2088 * supported PHY types to figure out what info to display 2089 */ 2090 ice_phy_type_to_ethtool(netdev, ks); 2091 2092 /* With no link, speed and duplex are unknown */ 2093 ks->base.speed = SPEED_UNKNOWN; 2094 ks->base.duplex = DUPLEX_UNKNOWN; 2095 } 2096 2097 /** 2098 * ice_get_link_ksettings - Get Link Speed and Duplex settings 2099 * @netdev: network interface device structure 2100 * @ks: ethtool ksettings 2101 * 2102 * Reports speed/duplex settings based on media_type 2103 */ 2104 static int 2105 ice_get_link_ksettings(struct net_device *netdev, 2106 struct ethtool_link_ksettings *ks) 2107 { 2108 struct ice_netdev_priv *np = netdev_priv(netdev); 2109 struct ice_aqc_get_phy_caps_data *caps; 2110 struct ice_link_status *hw_link_info; 2111 struct ice_vsi *vsi = np->vsi; 2112 enum ice_status status; 2113 int err = 0; 2114 2115 ethtool_link_ksettings_zero_link_mode(ks, supported); 2116 ethtool_link_ksettings_zero_link_mode(ks, advertising); 2117 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 2118 hw_link_info = &vsi->port_info->phy.link_info; 2119 2120 /* set speed and duplex */ 2121 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 2122 ice_get_settings_link_up(ks, netdev); 2123 else 2124 ice_get_settings_link_down(ks, netdev); 2125 2126 /* set autoneg settings */ 2127 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 2128 AUTONEG_ENABLE : AUTONEG_DISABLE; 2129 2130 /* set media type settings */ 2131 switch (vsi->port_info->phy.media_type) { 2132 case ICE_MEDIA_FIBER: 2133 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2134 ks->base.port = PORT_FIBRE; 2135 break; 2136 case ICE_MEDIA_BASET: 2137 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 2138 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 2139 ks->base.port = PORT_TP; 2140 break; 2141 case ICE_MEDIA_BACKPLANE: 2142 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2143 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 2144 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2145 ethtool_link_ksettings_add_link_mode(ks, advertising, 2146 Backplane); 2147 ks->base.port = PORT_NONE; 2148 break; 2149 case ICE_MEDIA_DA: 2150 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2151 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 2152 ks->base.port = PORT_DA; 2153 break; 2154 default: 2155 ks->base.port = PORT_OTHER; 2156 break; 2157 } 2158 2159 /* flow control is symmetric and always supported */ 2160 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2161 2162 caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL); 2163 if (!caps) 2164 return -ENOMEM; 2165 2166 status = ice_aq_get_phy_caps(vsi->port_info, false, 2167 ICE_AQC_REPORT_SW_CFG, caps, NULL); 2168 if (status) { 2169 err = -EIO; 2170 goto done; 2171 } 2172 2173 /* Set the advertised flow control based on the PHY capability */ 2174 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2175 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2176 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2177 ethtool_link_ksettings_add_link_mode(ks, advertising, 2178 Asym_Pause); 2179 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2180 ethtool_link_ksettings_add_link_mode(ks, advertising, 2181 Asym_Pause); 2182 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2183 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2184 ethtool_link_ksettings_add_link_mode(ks, advertising, 2185 Asym_Pause); 2186 } else { 2187 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2188 ethtool_link_ksettings_del_link_mode(ks, advertising, 2189 Asym_Pause); 2190 } 2191 2192 /* Set advertised FEC modes based on PHY capability */ 2193 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2194 2195 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2196 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2197 ethtool_link_ksettings_add_link_mode(ks, advertising, 2198 FEC_BASER); 2199 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2200 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2201 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2202 2203 status = ice_aq_get_phy_caps(vsi->port_info, false, 2204 ICE_AQC_REPORT_TOPO_CAP, caps, NULL); 2205 if (status) { 2206 err = -EIO; 2207 goto done; 2208 } 2209 2210 /* Set supported FEC modes based on PHY capability */ 2211 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2212 2213 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2214 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2215 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2216 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2217 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2218 2219 done: 2220 devm_kfree(&vsi->back->pdev->dev, caps); 2221 return err; 2222 } 2223 2224 /** 2225 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2226 * @ks: ethtool ksettings 2227 */ 2228 static u16 2229 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2230 { 2231 u16 adv_link_speed = 0; 2232 2233 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2234 100baseT_Full)) 2235 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2236 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2237 1000baseX_Full)) 2238 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2239 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2240 1000baseT_Full) || 2241 ethtool_link_ksettings_test_link_mode(ks, advertising, 2242 1000baseKX_Full)) 2243 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2244 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2245 2500baseT_Full)) 2246 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2247 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2248 2500baseX_Full)) 2249 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2250 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2251 5000baseT_Full)) 2252 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2253 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2254 10000baseT_Full) || 2255 ethtool_link_ksettings_test_link_mode(ks, advertising, 2256 10000baseKR_Full)) 2257 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2258 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2259 10000baseSR_Full) || 2260 ethtool_link_ksettings_test_link_mode(ks, advertising, 2261 10000baseLR_Full)) 2262 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2263 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2264 25000baseCR_Full) || 2265 ethtool_link_ksettings_test_link_mode(ks, advertising, 2266 25000baseSR_Full) || 2267 ethtool_link_ksettings_test_link_mode(ks, advertising, 2268 25000baseKR_Full)) 2269 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2270 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2271 40000baseCR4_Full) || 2272 ethtool_link_ksettings_test_link_mode(ks, advertising, 2273 40000baseSR4_Full) || 2274 ethtool_link_ksettings_test_link_mode(ks, advertising, 2275 40000baseLR4_Full) || 2276 ethtool_link_ksettings_test_link_mode(ks, advertising, 2277 40000baseKR4_Full)) 2278 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2279 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2280 50000baseCR2_Full) || 2281 ethtool_link_ksettings_test_link_mode(ks, advertising, 2282 50000baseKR2_Full)) 2283 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2284 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2285 50000baseSR2_Full)) 2286 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2287 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2288 100000baseCR4_Full) || 2289 ethtool_link_ksettings_test_link_mode(ks, advertising, 2290 100000baseSR4_Full) || 2291 ethtool_link_ksettings_test_link_mode(ks, advertising, 2292 100000baseLR4_ER4_Full) || 2293 ethtool_link_ksettings_test_link_mode(ks, advertising, 2294 100000baseKR4_Full)) 2295 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2296 2297 return adv_link_speed; 2298 } 2299 2300 /** 2301 * ice_setup_autoneg 2302 * @p: port info 2303 * @ks: ethtool_link_ksettings 2304 * @config: configuration that will be sent down to FW 2305 * @autoneg_enabled: autonegotiation is enabled or not 2306 * @autoneg_changed: will there a change in autonegotiation 2307 * @netdev: network interface device structure 2308 * 2309 * Setup PHY autonegotiation feature 2310 */ 2311 static int 2312 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2313 struct ice_aqc_set_phy_cfg_data *config, 2314 u8 autoneg_enabled, u8 *autoneg_changed, 2315 struct net_device *netdev) 2316 { 2317 int err = 0; 2318 2319 *autoneg_changed = 0; 2320 2321 /* Check autoneg */ 2322 if (autoneg_enabled == AUTONEG_ENABLE) { 2323 /* If autoneg was not already enabled */ 2324 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2325 /* If autoneg is not supported, return error */ 2326 if (!ethtool_link_ksettings_test_link_mode(ks, 2327 supported, 2328 Autoneg)) { 2329 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2330 err = -EINVAL; 2331 } else { 2332 /* Autoneg is allowed to change */ 2333 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2334 *autoneg_changed = 1; 2335 } 2336 } 2337 } else { 2338 /* If autoneg is currently enabled */ 2339 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2340 /* If autoneg is supported 10GBASE_T is the only PHY 2341 * that can disable it, so otherwise return error 2342 */ 2343 if (ethtool_link_ksettings_test_link_mode(ks, 2344 supported, 2345 Autoneg)) { 2346 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2347 err = -EINVAL; 2348 } else { 2349 /* Autoneg is allowed to change */ 2350 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2351 *autoneg_changed = 1; 2352 } 2353 } 2354 } 2355 2356 return err; 2357 } 2358 2359 /** 2360 * ice_set_link_ksettings - Set Speed and Duplex 2361 * @netdev: network interface device structure 2362 * @ks: ethtool ksettings 2363 * 2364 * Set speed/duplex per media_types advertised/forced 2365 */ 2366 static int 2367 ice_set_link_ksettings(struct net_device *netdev, 2368 const struct ethtool_link_ksettings *ks) 2369 { 2370 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT, lport = 0; 2371 struct ice_netdev_priv *np = netdev_priv(netdev); 2372 struct ethtool_link_ksettings safe_ks, copy_ks; 2373 struct ice_aqc_get_phy_caps_data *abilities; 2374 u16 adv_link_speed, curr_link_speed, idx; 2375 struct ice_aqc_set_phy_cfg_data config; 2376 struct ice_pf *pf = np->vsi->back; 2377 struct ice_port_info *p; 2378 u8 autoneg_changed = 0; 2379 enum ice_status status; 2380 u64 phy_type_high; 2381 u64 phy_type_low; 2382 int err = 0; 2383 bool linkup; 2384 2385 p = np->vsi->port_info; 2386 2387 if (!p) 2388 return -EOPNOTSUPP; 2389 2390 /* Check if this is LAN VSI */ 2391 ice_for_each_vsi(pf, idx) 2392 if (pf->vsi[idx]->type == ICE_VSI_PF) { 2393 if (np->vsi != pf->vsi[idx]) 2394 return -EOPNOTSUPP; 2395 break; 2396 } 2397 2398 if (p->phy.media_type != ICE_MEDIA_BASET && 2399 p->phy.media_type != ICE_MEDIA_FIBER && 2400 p->phy.media_type != ICE_MEDIA_BACKPLANE && 2401 p->phy.media_type != ICE_MEDIA_DA && 2402 p->phy.link_info.link_info & ICE_AQ_LINK_UP) 2403 return -EOPNOTSUPP; 2404 2405 /* copy the ksettings to copy_ks to avoid modifying the original */ 2406 memcpy(©_ks, ks, sizeof(copy_ks)); 2407 2408 /* save autoneg out of ksettings */ 2409 autoneg = copy_ks.base.autoneg; 2410 2411 memset(&safe_ks, 0, sizeof(safe_ks)); 2412 2413 /* Get link modes supported by hardware.*/ 2414 ice_phy_type_to_ethtool(netdev, &safe_ks); 2415 2416 /* and check against modes requested by user. 2417 * Return an error if unsupported mode was set. 2418 */ 2419 if (!bitmap_subset(copy_ks.link_modes.advertising, 2420 safe_ks.link_modes.supported, 2421 __ETHTOOL_LINK_MODE_MASK_NBITS)) 2422 return -EINVAL; 2423 2424 /* get our own copy of the bits to check against */ 2425 memset(&safe_ks, 0, sizeof(safe_ks)); 2426 safe_ks.base.cmd = copy_ks.base.cmd; 2427 safe_ks.base.link_mode_masks_nwords = 2428 copy_ks.base.link_mode_masks_nwords; 2429 ice_get_link_ksettings(netdev, &safe_ks); 2430 2431 /* set autoneg back to what it currently is */ 2432 copy_ks.base.autoneg = safe_ks.base.autoneg; 2433 /* we don't compare the speed */ 2434 copy_ks.base.speed = safe_ks.base.speed; 2435 2436 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2437 * trying to set something that we do not support. 2438 */ 2439 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) 2440 return -EOPNOTSUPP; 2441 2442 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2443 timeout--; 2444 if (!timeout) 2445 return -EBUSY; 2446 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2447 } 2448 2449 abilities = devm_kzalloc(&pf->pdev->dev, sizeof(*abilities), 2450 GFP_KERNEL); 2451 if (!abilities) 2452 return -ENOMEM; 2453 2454 /* Get the current PHY config */ 2455 status = ice_aq_get_phy_caps(p, false, ICE_AQC_REPORT_SW_CFG, abilities, 2456 NULL); 2457 if (status) { 2458 err = -EAGAIN; 2459 goto done; 2460 } 2461 2462 /* Copy abilities to config in case autoneg is not set below */ 2463 memset(&config, 0, sizeof(config)); 2464 config.caps = abilities->caps & ~ICE_AQC_PHY_AN_MODE; 2465 if (abilities->caps & ICE_AQC_PHY_AN_MODE) 2466 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2467 2468 /* Check autoneg */ 2469 err = ice_setup_autoneg(p, &safe_ks, &config, autoneg, &autoneg_changed, 2470 netdev); 2471 2472 if (err) 2473 goto done; 2474 2475 /* Call to get the current link speed */ 2476 p->phy.get_link_info = true; 2477 status = ice_get_link_status(p, &linkup); 2478 if (status) { 2479 err = -EAGAIN; 2480 goto done; 2481 } 2482 2483 curr_link_speed = p->phy.link_info.link_speed; 2484 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2485 2486 /* If speed didn't get set, set it to what it currently is. 2487 * This is needed because if advertise is 0 (as it is when autoneg 2488 * is disabled) then speed won't get set. 2489 */ 2490 if (!adv_link_speed) 2491 adv_link_speed = curr_link_speed; 2492 2493 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2494 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); 2495 2496 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2497 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2498 goto done; 2499 } 2500 2501 /* copy over the rest of the abilities */ 2502 config.low_power_ctrl = abilities->low_power_ctrl; 2503 config.eee_cap = abilities->eee_cap; 2504 config.eeer_value = abilities->eeer_value; 2505 config.link_fec_opt = abilities->link_fec_options; 2506 2507 /* save the requested speeds */ 2508 p->phy.link_info.req_speeds = adv_link_speed; 2509 2510 /* set link and auto negotiation so changes take effect */ 2511 config.caps |= ICE_AQ_PHY_ENA_LINK; 2512 2513 if (phy_type_low || phy_type_high) { 2514 config.phy_type_high = cpu_to_le64(phy_type_high) & 2515 abilities->phy_type_high; 2516 config.phy_type_low = cpu_to_le64(phy_type_low) & 2517 abilities->phy_type_low; 2518 } else { 2519 err = -EAGAIN; 2520 netdev_info(netdev, "Nothing changed. No PHY_TYPE is corresponded to advertised link speed.\n"); 2521 goto done; 2522 } 2523 2524 /* If link is up put link down */ 2525 if (p->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2526 /* Tell the OS link is going down, the link will go 2527 * back up when fw says it is ready asynchronously 2528 */ 2529 ice_print_link_msg(np->vsi, false); 2530 netif_carrier_off(netdev); 2531 netif_tx_stop_all_queues(netdev); 2532 } 2533 2534 /* make the aq call */ 2535 status = ice_aq_set_phy_cfg(&pf->hw, lport, &config, NULL); 2536 if (status) { 2537 netdev_info(netdev, "Set phy config failed,\n"); 2538 err = -EAGAIN; 2539 } 2540 2541 done: 2542 devm_kfree(&pf->pdev->dev, abilities); 2543 clear_bit(__ICE_CFG_BUSY, pf->state); 2544 2545 return err; 2546 } 2547 2548 /** 2549 * ice_get_rxnfc - command to get Rx flow classification rules 2550 * @netdev: network interface device structure 2551 * @cmd: ethtool rxnfc command 2552 * @rule_locs: buffer to rturn Rx flow classification rules 2553 * 2554 * Returns Success if the command is supported. 2555 */ 2556 static int 2557 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2558 u32 __always_unused *rule_locs) 2559 { 2560 struct ice_netdev_priv *np = netdev_priv(netdev); 2561 struct ice_vsi *vsi = np->vsi; 2562 int ret = -EOPNOTSUPP; 2563 2564 switch (cmd->cmd) { 2565 case ETHTOOL_GRXRINGS: 2566 cmd->data = vsi->rss_size; 2567 ret = 0; 2568 break; 2569 default: 2570 break; 2571 } 2572 2573 return ret; 2574 } 2575 2576 static void 2577 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2578 { 2579 struct ice_netdev_priv *np = netdev_priv(netdev); 2580 struct ice_vsi *vsi = np->vsi; 2581 2582 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2583 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2584 ring->rx_pending = vsi->rx_rings[0]->count; 2585 ring->tx_pending = vsi->tx_rings[0]->count; 2586 2587 /* Rx mini and jumbo rings are not supported */ 2588 ring->rx_mini_max_pending = 0; 2589 ring->rx_jumbo_max_pending = 0; 2590 ring->rx_mini_pending = 0; 2591 ring->rx_jumbo_pending = 0; 2592 } 2593 2594 static int 2595 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2596 { 2597 struct ice_ring *tx_rings = NULL, *rx_rings = NULL; 2598 struct ice_netdev_priv *np = netdev_priv(netdev); 2599 struct ice_vsi *vsi = np->vsi; 2600 struct ice_pf *pf = vsi->back; 2601 int i, timeout = 50, err = 0; 2602 u32 new_rx_cnt, new_tx_cnt; 2603 2604 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2605 ring->tx_pending < ICE_MIN_NUM_DESC || 2606 ring->rx_pending > ICE_MAX_NUM_DESC || 2607 ring->rx_pending < ICE_MIN_NUM_DESC) { 2608 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2609 ring->tx_pending, ring->rx_pending, 2610 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2611 ICE_REQ_DESC_MULTIPLE); 2612 return -EINVAL; 2613 } 2614 2615 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2616 if (new_tx_cnt != ring->tx_pending) 2617 netdev_info(netdev, 2618 "Requested Tx descriptor count rounded up to %d\n", 2619 new_tx_cnt); 2620 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2621 if (new_rx_cnt != ring->rx_pending) 2622 netdev_info(netdev, 2623 "Requested Rx descriptor count rounded up to %d\n", 2624 new_rx_cnt); 2625 2626 /* if nothing to do return success */ 2627 if (new_tx_cnt == vsi->tx_rings[0]->count && 2628 new_rx_cnt == vsi->rx_rings[0]->count) { 2629 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2630 return 0; 2631 } 2632 2633 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2634 timeout--; 2635 if (!timeout) 2636 return -EBUSY; 2637 usleep_range(1000, 2000); 2638 } 2639 2640 /* set for the next time the netdev is started */ 2641 if (!netif_running(vsi->netdev)) { 2642 for (i = 0; i < vsi->alloc_txq; i++) 2643 vsi->tx_rings[i]->count = new_tx_cnt; 2644 for (i = 0; i < vsi->alloc_rxq; i++) 2645 vsi->rx_rings[i]->count = new_rx_cnt; 2646 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2647 goto done; 2648 } 2649 2650 if (new_tx_cnt == vsi->tx_rings[0]->count) 2651 goto process_rx; 2652 2653 /* alloc updated Tx resources */ 2654 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2655 vsi->tx_rings[0]->count, new_tx_cnt); 2656 2657 tx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_txq, 2658 sizeof(*tx_rings), GFP_KERNEL); 2659 if (!tx_rings) { 2660 err = -ENOMEM; 2661 goto done; 2662 } 2663 2664 for (i = 0; i < vsi->alloc_txq; i++) { 2665 /* clone ring and setup updated count */ 2666 tx_rings[i] = *vsi->tx_rings[i]; 2667 tx_rings[i].count = new_tx_cnt; 2668 tx_rings[i].desc = NULL; 2669 tx_rings[i].tx_buf = NULL; 2670 err = ice_setup_tx_ring(&tx_rings[i]); 2671 if (err) { 2672 while (i) { 2673 i--; 2674 ice_clean_tx_ring(&tx_rings[i]); 2675 } 2676 devm_kfree(&pf->pdev->dev, tx_rings); 2677 goto done; 2678 } 2679 } 2680 2681 process_rx: 2682 if (new_rx_cnt == vsi->rx_rings[0]->count) 2683 goto process_link; 2684 2685 /* alloc updated Rx resources */ 2686 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2687 vsi->rx_rings[0]->count, new_rx_cnt); 2688 2689 rx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_rxq, 2690 sizeof(*rx_rings), GFP_KERNEL); 2691 if (!rx_rings) { 2692 err = -ENOMEM; 2693 goto done; 2694 } 2695 2696 for (i = 0; i < vsi->alloc_rxq; i++) { 2697 /* clone ring and setup updated count */ 2698 rx_rings[i] = *vsi->rx_rings[i]; 2699 rx_rings[i].count = new_rx_cnt; 2700 rx_rings[i].desc = NULL; 2701 rx_rings[i].rx_buf = NULL; 2702 /* this is to allow wr32 to have something to write to 2703 * during early allocation of Rx buffers 2704 */ 2705 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2706 2707 err = ice_setup_rx_ring(&rx_rings[i]); 2708 if (err) 2709 goto rx_unwind; 2710 2711 /* allocate Rx buffers */ 2712 err = ice_alloc_rx_bufs(&rx_rings[i], 2713 ICE_DESC_UNUSED(&rx_rings[i])); 2714 rx_unwind: 2715 if (err) { 2716 while (i) { 2717 i--; 2718 ice_free_rx_ring(&rx_rings[i]); 2719 } 2720 devm_kfree(&pf->pdev->dev, rx_rings); 2721 err = -ENOMEM; 2722 goto free_tx; 2723 } 2724 } 2725 2726 process_link: 2727 /* Bring interface down, copy in the new ring info, then restore the 2728 * interface. if VSI is up, bring it down and then back up 2729 */ 2730 if (!test_and_set_bit(__ICE_DOWN, vsi->state)) { 2731 ice_down(vsi); 2732 2733 if (tx_rings) { 2734 for (i = 0; i < vsi->alloc_txq; i++) { 2735 ice_free_tx_ring(vsi->tx_rings[i]); 2736 *vsi->tx_rings[i] = tx_rings[i]; 2737 } 2738 devm_kfree(&pf->pdev->dev, tx_rings); 2739 } 2740 2741 if (rx_rings) { 2742 for (i = 0; i < vsi->alloc_rxq; i++) { 2743 ice_free_rx_ring(vsi->rx_rings[i]); 2744 /* copy the real tail offset */ 2745 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2746 /* this is to fake out the allocation routine 2747 * into thinking it has to realloc everything 2748 * but the recycling logic will let us re-use 2749 * the buffers allocated above 2750 */ 2751 rx_rings[i].next_to_use = 0; 2752 rx_rings[i].next_to_clean = 0; 2753 rx_rings[i].next_to_alloc = 0; 2754 *vsi->rx_rings[i] = rx_rings[i]; 2755 } 2756 devm_kfree(&pf->pdev->dev, rx_rings); 2757 } 2758 2759 ice_up(vsi); 2760 } 2761 goto done; 2762 2763 free_tx: 2764 /* error cleanup if the Rx allocations failed after getting Tx */ 2765 if (tx_rings) { 2766 for (i = 0; i < vsi->alloc_txq; i++) 2767 ice_free_tx_ring(&tx_rings[i]); 2768 devm_kfree(&pf->pdev->dev, tx_rings); 2769 } 2770 2771 done: 2772 clear_bit(__ICE_CFG_BUSY, pf->state); 2773 return err; 2774 } 2775 2776 static int ice_nway_reset(struct net_device *netdev) 2777 { 2778 /* restart autonegotiation */ 2779 struct ice_netdev_priv *np = netdev_priv(netdev); 2780 struct ice_vsi *vsi = np->vsi; 2781 struct ice_port_info *pi; 2782 enum ice_status status; 2783 2784 pi = vsi->port_info; 2785 /* If VSI state is up, then restart autoneg with link up */ 2786 if (!test_bit(__ICE_DOWN, vsi->back->state)) 2787 status = ice_aq_set_link_restart_an(pi, true, NULL); 2788 else 2789 status = ice_aq_set_link_restart_an(pi, false, NULL); 2790 2791 if (status) { 2792 netdev_info(netdev, "link restart failed, err %d aq_err %d\n", 2793 status, pi->hw->adminq.sq_last_status); 2794 return -EIO; 2795 } 2796 2797 return 0; 2798 } 2799 2800 /** 2801 * ice_get_pauseparam - Get Flow Control status 2802 * @netdev: network interface device structure 2803 * @pause: ethernet pause (flow control) parameters 2804 * 2805 * Get requested flow control status from PHY capability. 2806 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2807 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2808 * the negotiated Rx/Tx pause via lp_advertising. 2809 */ 2810 static void 2811 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2812 { 2813 struct ice_netdev_priv *np = netdev_priv(netdev); 2814 struct ice_port_info *pi = np->vsi->port_info; 2815 struct ice_aqc_get_phy_caps_data *pcaps; 2816 struct ice_vsi *vsi = np->vsi; 2817 struct ice_dcbx_cfg *dcbx_cfg; 2818 enum ice_status status; 2819 2820 /* Initialize pause params */ 2821 pause->rx_pause = 0; 2822 pause->tx_pause = 0; 2823 2824 dcbx_cfg = &pi->local_dcbx_cfg; 2825 2826 pcaps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*pcaps), 2827 GFP_KERNEL); 2828 if (!pcaps) 2829 return; 2830 2831 /* Get current PHY config */ 2832 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 2833 NULL); 2834 if (status) 2835 goto out; 2836 2837 pause->autoneg = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ? 2838 AUTONEG_ENABLE : AUTONEG_DISABLE); 2839 2840 if (dcbx_cfg->pfc.pfcena) 2841 /* PFC enabled so report LFC as off */ 2842 goto out; 2843 2844 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 2845 pause->tx_pause = 1; 2846 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 2847 pause->rx_pause = 1; 2848 2849 out: 2850 devm_kfree(&vsi->back->pdev->dev, pcaps); 2851 } 2852 2853 /** 2854 * ice_set_pauseparam - Set Flow Control parameter 2855 * @netdev: network interface device structure 2856 * @pause: return Tx/Rx flow control status 2857 */ 2858 static int 2859 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2860 { 2861 struct ice_netdev_priv *np = netdev_priv(netdev); 2862 struct ice_aqc_get_phy_caps_data *pcaps; 2863 struct ice_link_status *hw_link_info; 2864 struct ice_pf *pf = np->vsi->back; 2865 struct ice_dcbx_cfg *dcbx_cfg; 2866 struct ice_vsi *vsi = np->vsi; 2867 struct ice_hw *hw = &pf->hw; 2868 struct ice_port_info *pi; 2869 enum ice_status status; 2870 u8 aq_failures; 2871 bool link_up; 2872 int err = 0; 2873 u32 is_an; 2874 2875 pi = vsi->port_info; 2876 hw_link_info = &pi->phy.link_info; 2877 dcbx_cfg = &pi->local_dcbx_cfg; 2878 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 2879 2880 /* Changing the port's flow control is not supported if this isn't the 2881 * PF VSI 2882 */ 2883 if (vsi->type != ICE_VSI_PF) { 2884 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 2885 return -EOPNOTSUPP; 2886 } 2887 2888 /* Get pause param reports configured and negotiated flow control pause 2889 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 2890 * defined get pause param pause->autoneg reports SW configured setting, 2891 * so compare pause->autoneg with SW configured to prevent the user from 2892 * using set pause param to chance autoneg. 2893 */ 2894 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2895 if (!pcaps) 2896 return -ENOMEM; 2897 2898 /* Get current PHY config */ 2899 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 2900 NULL); 2901 if (status) { 2902 kfree(pcaps); 2903 return -EIO; 2904 } 2905 2906 is_an = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ? 2907 AUTONEG_ENABLE : AUTONEG_DISABLE); 2908 2909 kfree(pcaps); 2910 2911 if (pause->autoneg != is_an) { 2912 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 2913 return -EOPNOTSUPP; 2914 } 2915 2916 /* If we have link and don't have autoneg */ 2917 if (!test_bit(__ICE_DOWN, pf->state) && 2918 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 2919 /* Send message that it might not necessarily work*/ 2920 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 2921 } 2922 2923 if (dcbx_cfg->pfc.pfcena) { 2924 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 2925 return -EOPNOTSUPP; 2926 } 2927 if (pause->rx_pause && pause->tx_pause) 2928 pi->fc.req_mode = ICE_FC_FULL; 2929 else if (pause->rx_pause && !pause->tx_pause) 2930 pi->fc.req_mode = ICE_FC_RX_PAUSE; 2931 else if (!pause->rx_pause && pause->tx_pause) 2932 pi->fc.req_mode = ICE_FC_TX_PAUSE; 2933 else if (!pause->rx_pause && !pause->tx_pause) 2934 pi->fc.req_mode = ICE_FC_NONE; 2935 else 2936 return -EINVAL; 2937 2938 /* Tell the OS link is going down, the link will go back up when fw 2939 * says it is ready asynchronously 2940 */ 2941 ice_print_link_msg(vsi, false); 2942 netif_carrier_off(netdev); 2943 netif_tx_stop_all_queues(netdev); 2944 2945 /* Set the FC mode and only restart AN if link is up */ 2946 status = ice_set_fc(pi, &aq_failures, link_up); 2947 2948 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 2949 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %d\n", 2950 status, hw->adminq.sq_last_status); 2951 err = -EAGAIN; 2952 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 2953 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %d\n", 2954 status, hw->adminq.sq_last_status); 2955 err = -EAGAIN; 2956 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 2957 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %d\n", 2958 status, hw->adminq.sq_last_status); 2959 err = -EAGAIN; 2960 } 2961 2962 if (!test_bit(__ICE_DOWN, pf->state)) { 2963 /* Give it a little more time to try to come back. If still 2964 * down, restart autoneg link or reinitialize the interface. 2965 */ 2966 msleep(75); 2967 if (!test_bit(__ICE_DOWN, pf->state)) 2968 return ice_nway_reset(netdev); 2969 2970 ice_down(vsi); 2971 ice_up(vsi); 2972 } 2973 2974 return err; 2975 } 2976 2977 /** 2978 * ice_get_rxfh_key_size - get the RSS hash key size 2979 * @netdev: network interface device structure 2980 * 2981 * Returns the table size. 2982 */ 2983 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 2984 { 2985 return ICE_VSIQF_HKEY_ARRAY_SIZE; 2986 } 2987 2988 /** 2989 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 2990 * @netdev: network interface device structure 2991 * 2992 * Returns the table size. 2993 */ 2994 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 2995 { 2996 struct ice_netdev_priv *np = netdev_priv(netdev); 2997 2998 return np->vsi->rss_table_size; 2999 } 3000 3001 /** 3002 * ice_get_rxfh - get the Rx flow hash indirection table 3003 * @netdev: network interface device structure 3004 * @indir: indirection table 3005 * @key: hash key 3006 * @hfunc: hash function 3007 * 3008 * Reads the indirection table directly from the hardware. 3009 */ 3010 static int 3011 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3012 { 3013 struct ice_netdev_priv *np = netdev_priv(netdev); 3014 struct ice_vsi *vsi = np->vsi; 3015 struct ice_pf *pf = vsi->back; 3016 int ret = 0, i; 3017 u8 *lut; 3018 3019 if (hfunc) 3020 *hfunc = ETH_RSS_HASH_TOP; 3021 3022 if (!indir) 3023 return 0; 3024 3025 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3026 /* RSS not supported return error here */ 3027 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3028 return -EIO; 3029 } 3030 3031 lut = devm_kzalloc(&pf->pdev->dev, vsi->rss_table_size, GFP_KERNEL); 3032 if (!lut) 3033 return -ENOMEM; 3034 3035 if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) { 3036 ret = -EIO; 3037 goto out; 3038 } 3039 3040 for (i = 0; i < vsi->rss_table_size; i++) 3041 indir[i] = (u32)(lut[i]); 3042 3043 out: 3044 devm_kfree(&pf->pdev->dev, lut); 3045 return ret; 3046 } 3047 3048 /** 3049 * ice_set_rxfh - set the Rx flow hash indirection table 3050 * @netdev: network interface device structure 3051 * @indir: indirection table 3052 * @key: hash key 3053 * @hfunc: hash function 3054 * 3055 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3056 * returns 0 after programming the table. 3057 */ 3058 static int 3059 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3060 const u8 hfunc) 3061 { 3062 struct ice_netdev_priv *np = netdev_priv(netdev); 3063 struct ice_vsi *vsi = np->vsi; 3064 struct ice_pf *pf = vsi->back; 3065 u8 *seed = NULL; 3066 3067 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3068 return -EOPNOTSUPP; 3069 3070 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3071 /* RSS not supported return error here */ 3072 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3073 return -EIO; 3074 } 3075 3076 if (key) { 3077 if (!vsi->rss_hkey_user) { 3078 vsi->rss_hkey_user = 3079 devm_kzalloc(&pf->pdev->dev, 3080 ICE_VSIQF_HKEY_ARRAY_SIZE, 3081 GFP_KERNEL); 3082 if (!vsi->rss_hkey_user) 3083 return -ENOMEM; 3084 } 3085 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3086 seed = vsi->rss_hkey_user; 3087 } 3088 3089 if (!vsi->rss_lut_user) { 3090 vsi->rss_lut_user = devm_kzalloc(&pf->pdev->dev, 3091 vsi->rss_table_size, 3092 GFP_KERNEL); 3093 if (!vsi->rss_lut_user) 3094 return -ENOMEM; 3095 } 3096 3097 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3098 if (indir) { 3099 int i; 3100 3101 for (i = 0; i < vsi->rss_table_size; i++) 3102 vsi->rss_lut_user[i] = (u8)(indir[i]); 3103 } else { 3104 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3105 vsi->rss_size); 3106 } 3107 3108 if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size)) 3109 return -EIO; 3110 3111 return 0; 3112 } 3113 3114 enum ice_container_type { 3115 ICE_RX_CONTAINER, 3116 ICE_TX_CONTAINER, 3117 }; 3118 3119 /** 3120 * ice_get_rc_coalesce - get ITR values for specific ring container 3121 * @ec: ethtool structure to fill with driver's coalesce settings 3122 * @c_type: container type, Rx or Tx 3123 * @rc: ring container that the ITR values will come from 3124 * 3125 * Query the device for ice_ring_container specific ITR values. This is 3126 * done per ice_ring_container because each q_vector can have 1 or more rings 3127 * and all of said ring(s) will have the same ITR values. 3128 * 3129 * Returns 0 on success, negative otherwise. 3130 */ 3131 static int 3132 ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type, 3133 struct ice_ring_container *rc) 3134 { 3135 struct ice_pf *pf; 3136 3137 if (!rc->ring) 3138 return -EINVAL; 3139 3140 pf = rc->ring->vsi->back; 3141 3142 switch (c_type) { 3143 case ICE_RX_CONTAINER: 3144 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3145 ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3146 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl; 3147 break; 3148 case ICE_TX_CONTAINER: 3149 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3150 ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3151 break; 3152 default: 3153 dev_dbg(&pf->pdev->dev, "Invalid c_type %d\n", c_type); 3154 return -EINVAL; 3155 } 3156 3157 return 0; 3158 } 3159 3160 /** 3161 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3162 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3163 * @ec: coalesce settings to program the device with 3164 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3165 * 3166 * Return 0 on success, and negative under the following conditions: 3167 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3168 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3169 */ 3170 static int 3171 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3172 { 3173 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3174 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3175 &vsi->rx_rings[q_num]->q_vector->rx)) 3176 return -EINVAL; 3177 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3178 &vsi->tx_rings[q_num]->q_vector->tx)) 3179 return -EINVAL; 3180 } else if (q_num < vsi->num_rxq) { 3181 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3182 &vsi->rx_rings[q_num]->q_vector->rx)) 3183 return -EINVAL; 3184 } else if (q_num < vsi->num_txq) { 3185 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3186 &vsi->tx_rings[q_num]->q_vector->tx)) 3187 return -EINVAL; 3188 } else { 3189 return -EINVAL; 3190 } 3191 3192 return 0; 3193 } 3194 3195 /** 3196 * __ice_get_coalesce - get ITR/INTRL values for the device 3197 * @netdev: pointer to the netdev associated with this query 3198 * @ec: ethtool structure to fill with driver's coalesce settings 3199 * @q_num: queue number to get the coalesce settings for 3200 * 3201 * If the caller passes in a negative q_num then we return coalesce settings 3202 * based on queue number 0, else use the actual q_num passed in. 3203 */ 3204 static int 3205 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3206 int q_num) 3207 { 3208 struct ice_netdev_priv *np = netdev_priv(netdev); 3209 struct ice_vsi *vsi = np->vsi; 3210 3211 if (q_num < 0) 3212 q_num = 0; 3213 3214 if (ice_get_q_coalesce(vsi, ec, q_num)) 3215 return -EINVAL; 3216 3217 if (q_num < vsi->num_txq) 3218 ec->tx_max_coalesced_frames_irq = vsi->work_lmt; 3219 3220 if (q_num < vsi->num_rxq) 3221 ec->rx_max_coalesced_frames_irq = vsi->work_lmt; 3222 3223 return 0; 3224 } 3225 3226 static int 3227 ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3228 { 3229 return __ice_get_coalesce(netdev, ec, -1); 3230 } 3231 3232 static int 3233 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3234 struct ethtool_coalesce *ec) 3235 { 3236 return __ice_get_coalesce(netdev, ec, q_num); 3237 } 3238 3239 /** 3240 * ice_set_rc_coalesce - set ITR values for specific ring container 3241 * @c_type: container type, Rx or Tx 3242 * @ec: ethtool structure from user to update ITR settings 3243 * @rc: ring container that the ITR values will come from 3244 * @vsi: VSI associated to the ring container 3245 * 3246 * Set specific ITR values. This is done per ice_ring_container because each 3247 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3248 * ITR values. 3249 * 3250 * Returns 0 on success, negative otherwise. 3251 */ 3252 static int 3253 ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, 3254 struct ice_ring_container *rc, struct ice_vsi *vsi) 3255 { 3256 struct ice_pf *pf = vsi->back; 3257 u16 itr_setting; 3258 3259 if (!rc->ring) 3260 return -EINVAL; 3261 3262 itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3263 3264 switch (c_type) { 3265 case ICE_RX_CONTAINER: 3266 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3267 (ec->rx_coalesce_usecs_high && 3268 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3269 netdev_info(vsi->netdev, 3270 "Invalid value, rx-usecs-high valid values are 0 (disabled), %d-%d\n", 3271 pf->hw.intrl_gran, ICE_MAX_INTRL); 3272 return -EINVAL; 3273 } 3274 3275 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) { 3276 rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high; 3277 wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx), 3278 ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high, 3279 pf->hw.intrl_gran)); 3280 } 3281 3282 if (ec->rx_coalesce_usecs != itr_setting && 3283 ec->use_adaptive_rx_coalesce) { 3284 netdev_info(vsi->netdev, 3285 "Rx interrupt throttling cannot be changed if adaptive-rx is enabled\n"); 3286 return -EINVAL; 3287 } 3288 3289 if (ec->rx_coalesce_usecs > ICE_ITR_MAX) { 3290 netdev_info(vsi->netdev, 3291 "Invalid value, rx-usecs range is 0-%d\n", 3292 ICE_ITR_MAX); 3293 return -EINVAL; 3294 } 3295 3296 if (ec->use_adaptive_rx_coalesce) { 3297 rc->itr_setting |= ICE_ITR_DYNAMIC; 3298 } else { 3299 rc->itr_setting = ITR_REG_ALIGN(ec->rx_coalesce_usecs); 3300 rc->target_itr = ITR_TO_REG(rc->itr_setting); 3301 } 3302 break; 3303 case ICE_TX_CONTAINER: 3304 if (ec->tx_coalesce_usecs_high) { 3305 netdev_info(vsi->netdev, 3306 "setting tx-usecs-high is not supported\n"); 3307 return -EINVAL; 3308 } 3309 3310 if (ec->tx_coalesce_usecs != itr_setting && 3311 ec->use_adaptive_tx_coalesce) { 3312 netdev_info(vsi->netdev, 3313 "Tx interrupt throttling cannot be changed if adaptive-tx is enabled\n"); 3314 return -EINVAL; 3315 } 3316 3317 if (ec->tx_coalesce_usecs > ICE_ITR_MAX) { 3318 netdev_info(vsi->netdev, 3319 "Invalid value, tx-usecs range is 0-%d\n", 3320 ICE_ITR_MAX); 3321 return -EINVAL; 3322 } 3323 3324 if (ec->use_adaptive_tx_coalesce) { 3325 rc->itr_setting |= ICE_ITR_DYNAMIC; 3326 } else { 3327 rc->itr_setting = ITR_REG_ALIGN(ec->tx_coalesce_usecs); 3328 rc->target_itr = ITR_TO_REG(rc->itr_setting); 3329 } 3330 break; 3331 default: 3332 dev_dbg(&pf->pdev->dev, "Invalid container type %d\n", c_type); 3333 return -EINVAL; 3334 } 3335 3336 return 0; 3337 } 3338 3339 /** 3340 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3341 * @vsi: VSI associated to the queue that need updating 3342 * @ec: coalesce settings to program the device with 3343 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3344 * 3345 * Return 0 on success, and negative under the following conditions: 3346 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3347 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3348 */ 3349 static int 3350 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3351 { 3352 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3353 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3354 &vsi->rx_rings[q_num]->q_vector->rx, 3355 vsi)) 3356 return -EINVAL; 3357 3358 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3359 &vsi->tx_rings[q_num]->q_vector->tx, 3360 vsi)) 3361 return -EINVAL; 3362 } else if (q_num < vsi->num_rxq) { 3363 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3364 &vsi->rx_rings[q_num]->q_vector->rx, 3365 vsi)) 3366 return -EINVAL; 3367 } else if (q_num < vsi->num_txq) { 3368 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3369 &vsi->tx_rings[q_num]->q_vector->tx, 3370 vsi)) 3371 return -EINVAL; 3372 } else { 3373 return -EINVAL; 3374 } 3375 3376 return 0; 3377 } 3378 3379 /** 3380 * __ice_set_coalesce - set ITR/INTRL values for the device 3381 * @netdev: pointer to the netdev associated with this query 3382 * @ec: ethtool structure to fill with driver's coalesce settings 3383 * @q_num: queue number to get the coalesce settings for 3384 * 3385 * If the caller passes in a negative q_num then we set the coalesce settings 3386 * for all Tx/Rx queues, else use the actual q_num passed in. 3387 */ 3388 static int 3389 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3390 int q_num) 3391 { 3392 struct ice_netdev_priv *np = netdev_priv(netdev); 3393 struct ice_vsi *vsi = np->vsi; 3394 3395 if (q_num < 0) { 3396 int i; 3397 3398 ice_for_each_q_vector(vsi, i) { 3399 if (ice_set_q_coalesce(vsi, ec, i)) 3400 return -EINVAL; 3401 } 3402 goto set_work_lmt; 3403 } 3404 3405 if (ice_set_q_coalesce(vsi, ec, q_num)) 3406 return -EINVAL; 3407 3408 set_work_lmt: 3409 3410 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq) 3411 vsi->work_lmt = max(ec->tx_max_coalesced_frames_irq, 3412 ec->rx_max_coalesced_frames_irq); 3413 3414 return 0; 3415 } 3416 3417 static int 3418 ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3419 { 3420 return __ice_set_coalesce(netdev, ec, -1); 3421 } 3422 3423 static int 3424 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3425 struct ethtool_coalesce *ec) 3426 { 3427 return __ice_set_coalesce(netdev, ec, q_num); 3428 } 3429 3430 static const struct ethtool_ops ice_ethtool_ops = { 3431 .get_link_ksettings = ice_get_link_ksettings, 3432 .set_link_ksettings = ice_set_link_ksettings, 3433 .get_drvinfo = ice_get_drvinfo, 3434 .get_regs_len = ice_get_regs_len, 3435 .get_regs = ice_get_regs, 3436 .get_msglevel = ice_get_msglevel, 3437 .set_msglevel = ice_set_msglevel, 3438 .self_test = ice_self_test, 3439 .get_link = ethtool_op_get_link, 3440 .get_eeprom_len = ice_get_eeprom_len, 3441 .get_eeprom = ice_get_eeprom, 3442 .get_coalesce = ice_get_coalesce, 3443 .set_coalesce = ice_set_coalesce, 3444 .get_strings = ice_get_strings, 3445 .set_phys_id = ice_set_phys_id, 3446 .get_ethtool_stats = ice_get_ethtool_stats, 3447 .get_priv_flags = ice_get_priv_flags, 3448 .set_priv_flags = ice_set_priv_flags, 3449 .get_sset_count = ice_get_sset_count, 3450 .get_rxnfc = ice_get_rxnfc, 3451 .get_ringparam = ice_get_ringparam, 3452 .set_ringparam = ice_set_ringparam, 3453 .nway_reset = ice_nway_reset, 3454 .get_pauseparam = ice_get_pauseparam, 3455 .set_pauseparam = ice_set_pauseparam, 3456 .get_rxfh_key_size = ice_get_rxfh_key_size, 3457 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 3458 .get_rxfh = ice_get_rxfh, 3459 .set_rxfh = ice_set_rxfh, 3460 .get_ts_info = ethtool_op_get_ts_info, 3461 .get_per_queue_coalesce = ice_get_per_q_coalesce, 3462 .set_per_queue_coalesce = ice_set_per_q_coalesce, 3463 .get_fecparam = ice_get_fecparam, 3464 .set_fecparam = ice_set_fecparam, 3465 }; 3466 3467 /** 3468 * ice_set_ethtool_ops - setup netdev ethtool ops 3469 * @netdev: network interface device structure 3470 * 3471 * setup netdev ethtool ops with ice specific ops 3472 */ 3473 void ice_set_ethtool_ops(struct net_device *netdev) 3474 { 3475 netdev->ethtool_ops = &ice_ethtool_ops; 3476 } 3477