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_flow.h" 8 #include "ice_fltr.h" 9 #include "ice_lib.h" 10 #include "ice_dcb_lib.h" 11 12 struct ice_stats { 13 char stat_string[ETH_GSTRING_LEN]; 14 int sizeof_stat; 15 int stat_offset; 16 }; 17 18 #define ICE_STAT(_type, _name, _stat) { \ 19 .stat_string = _name, \ 20 .sizeof_stat = sizeof_field(_type, _stat), \ 21 .stat_offset = offsetof(_type, _stat) \ 22 } 23 24 #define ICE_VSI_STAT(_name, _stat) \ 25 ICE_STAT(struct ice_vsi, _name, _stat) 26 #define ICE_PF_STAT(_name, _stat) \ 27 ICE_STAT(struct ice_pf, _name, _stat) 28 29 static int ice_q_stats_len(struct net_device *netdev) 30 { 31 struct ice_netdev_priv *np = netdev_priv(netdev); 32 33 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 34 (sizeof(struct ice_q_stats) / sizeof(u64))); 35 } 36 37 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 38 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 39 40 #define ICE_PFC_STATS_LEN ( \ 41 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \ 42 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \ 43 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \ 44 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \ 45 / sizeof(u64)) 46 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 47 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 48 49 static const struct ice_stats ice_gstrings_vsi_stats[] = { 50 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 51 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 52 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 53 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 54 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 55 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 56 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 57 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 58 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 59 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 60 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 61 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 62 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 63 ICE_VSI_STAT("tx_linearize", tx_linearize), 64 }; 65 66 enum ice_ethtool_test_id { 67 ICE_ETH_TEST_REG = 0, 68 ICE_ETH_TEST_EEPROM, 69 ICE_ETH_TEST_INTR, 70 ICE_ETH_TEST_LOOP, 71 ICE_ETH_TEST_LINK, 72 }; 73 74 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 75 "Register test (offline)", 76 "EEPROM test (offline)", 77 "Interrupt test (offline)", 78 "Loopback test (offline)", 79 "Link test (on/offline)", 80 }; 81 82 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 83 84 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 85 * but they aren't. This device is capable of supporting multiple 86 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 87 * netdevs whereas the PF_STATs are for the physical function that's 88 * hosting these netdevs. 89 * 90 * The PF_STATs are appended to the netdev stats only when ethtool -S 91 * is queried on the base PF netdev. 92 */ 93 static const struct ice_stats ice_gstrings_pf_stats[] = { 94 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 95 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 96 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 97 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 98 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 99 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 100 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 101 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 102 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 103 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 104 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 105 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 106 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 107 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 108 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 109 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 110 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 111 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 112 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 113 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 114 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 115 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 116 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 117 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 118 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 119 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 120 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 121 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 122 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 123 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 124 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 125 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 126 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 127 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors), 128 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 129 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 130 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 131 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 132 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 133 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), 134 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), 135 }; 136 137 static const u32 ice_regs_dump_list[] = { 138 PFGEN_STATE, 139 PRTGEN_STATUS, 140 QRX_CTRL(0), 141 QINT_TQCTL(0), 142 QINT_RQCTL(0), 143 PFINT_OICR_ENA, 144 QRX_ITR(0), 145 }; 146 147 struct ice_priv_flag { 148 char name[ETH_GSTRING_LEN]; 149 u32 bitno; /* bit position in pf->flags */ 150 }; 151 152 #define ICE_PRIV_FLAG(_name, _bitno) { \ 153 .name = _name, \ 154 .bitno = _bitno, \ 155 } 156 157 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 158 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 159 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 160 ICE_PRIV_FLAG("vf-true-promisc-support", 161 ICE_FLAG_VF_TRUE_PROMISC_ENA), 162 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 163 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), 164 }; 165 166 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 167 168 static void 169 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 170 { 171 struct ice_netdev_priv *np = netdev_priv(netdev); 172 struct ice_vsi *vsi = np->vsi; 173 struct ice_pf *pf = vsi->back; 174 struct ice_hw *hw = &pf->hw; 175 struct ice_orom_info *orom; 176 struct ice_nvm_info *nvm; 177 178 nvm = &hw->nvm; 179 orom = &nvm->orom; 180 181 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 182 183 /* Display NVM version (from which the firmware version can be 184 * determined) which contains more pertinent information. 185 */ 186 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 187 "%x.%02x 0x%x %d.%d.%d", nvm->major_ver, nvm->minor_ver, 188 nvm->eetrack, orom->major, orom->build, orom->patch); 189 190 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 191 sizeof(drvinfo->bus_info)); 192 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 193 } 194 195 static int ice_get_regs_len(struct net_device __always_unused *netdev) 196 { 197 return sizeof(ice_regs_dump_list); 198 } 199 200 static void 201 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 202 { 203 struct ice_netdev_priv *np = netdev_priv(netdev); 204 struct ice_pf *pf = np->vsi->back; 205 struct ice_hw *hw = &pf->hw; 206 u32 *regs_buf = (u32 *)p; 207 unsigned int i; 208 209 regs->version = 1; 210 211 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 212 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 213 } 214 215 static u32 ice_get_msglevel(struct net_device *netdev) 216 { 217 struct ice_netdev_priv *np = netdev_priv(netdev); 218 struct ice_pf *pf = np->vsi->back; 219 220 #ifndef CONFIG_DYNAMIC_DEBUG 221 if (pf->hw.debug_mask) 222 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 223 pf->hw.debug_mask); 224 #endif /* !CONFIG_DYNAMIC_DEBUG */ 225 226 return pf->msg_enable; 227 } 228 229 static void ice_set_msglevel(struct net_device *netdev, u32 data) 230 { 231 struct ice_netdev_priv *np = netdev_priv(netdev); 232 struct ice_pf *pf = np->vsi->back; 233 234 #ifndef CONFIG_DYNAMIC_DEBUG 235 if (ICE_DBG_USER & data) 236 pf->hw.debug_mask = data; 237 else 238 pf->msg_enable = data; 239 #else 240 pf->msg_enable = data; 241 #endif /* !CONFIG_DYNAMIC_DEBUG */ 242 } 243 244 static int ice_get_eeprom_len(struct net_device *netdev) 245 { 246 struct ice_netdev_priv *np = netdev_priv(netdev); 247 struct ice_pf *pf = np->vsi->back; 248 249 return (int)pf->hw.nvm.flash_size; 250 } 251 252 static int 253 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 254 u8 *bytes) 255 { 256 struct ice_netdev_priv *np = netdev_priv(netdev); 257 struct ice_vsi *vsi = np->vsi; 258 struct ice_pf *pf = vsi->back; 259 struct ice_hw *hw = &pf->hw; 260 enum ice_status status; 261 struct device *dev; 262 int ret = 0; 263 u8 *buf; 264 265 dev = ice_pf_to_dev(pf); 266 267 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 268 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 269 eeprom->cmd, eeprom->offset, eeprom->len); 270 271 buf = kzalloc(eeprom->len, GFP_KERNEL); 272 if (!buf) 273 return -ENOMEM; 274 275 status = ice_acquire_nvm(hw, ICE_RES_READ); 276 if (status) { 277 dev_err(dev, "ice_acquire_nvm failed, err %s aq_err %s\n", 278 ice_stat_str(status), 279 ice_aq_str(hw->adminq.sq_last_status)); 280 ret = -EIO; 281 goto out; 282 } 283 284 status = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 285 false); 286 if (status) { 287 dev_err(dev, "ice_read_flat_nvm failed, err %s aq_err %s\n", 288 ice_stat_str(status), 289 ice_aq_str(hw->adminq.sq_last_status)); 290 ret = -EIO; 291 goto release; 292 } 293 294 memcpy(bytes, buf, eeprom->len); 295 release: 296 ice_release_nvm(hw); 297 out: 298 kfree(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 unsigned int i; 311 312 ice_for_each_vf(pf, i) { 313 struct ice_vf *vf = &pf->vf[i]; 314 315 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) 316 return true; 317 } 318 319 return false; 320 } 321 322 /** 323 * ice_link_test - perform a link test on a given net_device 324 * @netdev: network interface device structure 325 * 326 * This function performs one of the self-tests required by ethtool. 327 * Returns 0 on success, non-zero on failure. 328 */ 329 static u64 ice_link_test(struct net_device *netdev) 330 { 331 struct ice_netdev_priv *np = netdev_priv(netdev); 332 enum ice_status status; 333 bool link_up = false; 334 335 netdev_info(netdev, "link test\n"); 336 status = ice_get_link_status(np->vsi->port_info, &link_up); 337 if (status) { 338 netdev_err(netdev, "link query error, status = %s\n", 339 ice_stat_str(status)); 340 return 1; 341 } 342 343 if (!link_up) 344 return 2; 345 346 return 0; 347 } 348 349 /** 350 * ice_eeprom_test - perform an EEPROM test on a given net_device 351 * @netdev: network interface device structure 352 * 353 * This function performs one of the self-tests required by ethtool. 354 * Returns 0 on success, non-zero on failure. 355 */ 356 static u64 ice_eeprom_test(struct net_device *netdev) 357 { 358 struct ice_netdev_priv *np = netdev_priv(netdev); 359 struct ice_pf *pf = np->vsi->back; 360 361 netdev_info(netdev, "EEPROM test\n"); 362 return !!(ice_nvm_validate_checksum(&pf->hw)); 363 } 364 365 /** 366 * ice_reg_pattern_test 367 * @hw: pointer to the HW struct 368 * @reg: reg to be tested 369 * @mask: bits to be touched 370 */ 371 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 372 { 373 struct ice_pf *pf = (struct ice_pf *)hw->back; 374 struct device *dev = ice_pf_to_dev(pf); 375 static const u32 patterns[] = { 376 0x5A5A5A5A, 0xA5A5A5A5, 377 0x00000000, 0xFFFFFFFF 378 }; 379 u32 val, orig_val; 380 unsigned int i; 381 382 orig_val = rd32(hw, reg); 383 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 384 u32 pattern = patterns[i] & mask; 385 386 wr32(hw, reg, pattern); 387 val = rd32(hw, reg); 388 if (val == pattern) 389 continue; 390 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 391 , __func__, reg, pattern, val); 392 return 1; 393 } 394 395 wr32(hw, reg, orig_val); 396 val = rd32(hw, reg); 397 if (val != orig_val) { 398 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 399 , __func__, reg, orig_val, val); 400 return 1; 401 } 402 403 return 0; 404 } 405 406 /** 407 * ice_reg_test - perform a register test on a given net_device 408 * @netdev: network interface device structure 409 * 410 * This function performs one of the self-tests required by ethtool. 411 * Returns 0 on success, non-zero on failure. 412 */ 413 static u64 ice_reg_test(struct net_device *netdev) 414 { 415 struct ice_netdev_priv *np = netdev_priv(netdev); 416 struct ice_hw *hw = np->vsi->port_info->hw; 417 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 418 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 419 struct ice_diag_reg_test_info { 420 u32 address; 421 u32 mask; 422 u32 elem_num; 423 u32 elem_size; 424 } ice_reg_list[] = { 425 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 426 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 427 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 428 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 429 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 430 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 431 {GLINT_CTL, 0xffff0001, 1, 0} 432 }; 433 unsigned int i; 434 435 netdev_dbg(netdev, "Register test\n"); 436 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 437 u32 j; 438 439 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 440 u32 mask = ice_reg_list[i].mask; 441 u32 reg = ice_reg_list[i].address + 442 (j * ice_reg_list[i].elem_size); 443 444 /* bail on failure (non-zero return) */ 445 if (ice_reg_pattern_test(hw, reg, mask)) 446 return 1; 447 } 448 } 449 450 return 0; 451 } 452 453 /** 454 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 455 * @vsi: pointer to the VSI structure 456 * 457 * Function configures rings of a VSI for loopback test without 458 * enabling interrupts or informing the kernel about new queues. 459 * 460 * Returns 0 on success, negative on failure. 461 */ 462 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 463 { 464 int status; 465 466 status = ice_vsi_setup_tx_rings(vsi); 467 if (status) 468 goto err_setup_tx_ring; 469 470 status = ice_vsi_setup_rx_rings(vsi); 471 if (status) 472 goto err_setup_rx_ring; 473 474 status = ice_vsi_cfg(vsi); 475 if (status) 476 goto err_setup_rx_ring; 477 478 status = ice_vsi_start_all_rx_rings(vsi); 479 if (status) 480 goto err_start_rx_ring; 481 482 return status; 483 484 err_start_rx_ring: 485 ice_vsi_free_rx_rings(vsi); 486 err_setup_rx_ring: 487 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 488 err_setup_tx_ring: 489 ice_vsi_free_tx_rings(vsi); 490 491 return status; 492 } 493 494 /** 495 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 496 * @vsi: pointer to the VSI structure 497 * 498 * Function stops and frees VSI rings after a loopback test. 499 * Returns 0 on success, negative on failure. 500 */ 501 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 502 { 503 int status; 504 505 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 506 if (status) 507 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 508 vsi->vsi_num, status); 509 510 status = ice_vsi_stop_all_rx_rings(vsi); 511 if (status) 512 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 513 vsi->vsi_num, status); 514 515 ice_vsi_free_tx_rings(vsi); 516 ice_vsi_free_rx_rings(vsi); 517 518 return status; 519 } 520 521 /** 522 * ice_lbtest_create_frame - create test packet 523 * @pf: pointer to the PF structure 524 * @ret_data: allocated frame buffer 525 * @size: size of the packet data 526 * 527 * Function allocates a frame with a test pattern on specific offsets. 528 * Returns 0 on success, non-zero on failure. 529 */ 530 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 531 { 532 u8 *data; 533 534 if (!pf) 535 return -EINVAL; 536 537 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); 538 if (!data) 539 return -ENOMEM; 540 541 /* Since the ethernet test frame should always be at least 542 * 64 bytes long, fill some octets in the payload with test data. 543 */ 544 memset(data, 0xFF, size); 545 data[32] = 0xDE; 546 data[42] = 0xAD; 547 data[44] = 0xBE; 548 data[46] = 0xEF; 549 550 *ret_data = data; 551 552 return 0; 553 } 554 555 /** 556 * ice_lbtest_check_frame - verify received loopback frame 557 * @frame: pointer to the raw packet data 558 * 559 * Function verifies received test frame with a pattern. 560 * Returns true if frame matches the pattern, false otherwise. 561 */ 562 static bool ice_lbtest_check_frame(u8 *frame) 563 { 564 /* Validate bytes of a frame under offsets chosen earlier */ 565 if (frame[32] == 0xDE && 566 frame[42] == 0xAD && 567 frame[44] == 0xBE && 568 frame[46] == 0xEF && 569 frame[48] == 0xFF) 570 return true; 571 572 return false; 573 } 574 575 /** 576 * ice_diag_send - send test frames to the test ring 577 * @tx_ring: pointer to the transmit ring 578 * @data: pointer to the raw packet data 579 * @size: size of the packet to send 580 * 581 * Function sends loopback packets on a test Tx ring. 582 */ 583 static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size) 584 { 585 struct ice_tx_desc *tx_desc; 586 struct ice_tx_buf *tx_buf; 587 dma_addr_t dma; 588 u64 td_cmd; 589 590 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 591 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 592 593 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 594 if (dma_mapping_error(tx_ring->dev, dma)) 595 return -EINVAL; 596 597 tx_desc->buf_addr = cpu_to_le64(dma); 598 599 /* These flags are required for a descriptor to be pushed out */ 600 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 601 tx_desc->cmd_type_offset_bsz = 602 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 603 (td_cmd << ICE_TXD_QW1_CMD_S) | 604 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 605 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 606 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 607 608 tx_buf->next_to_watch = tx_desc; 609 610 /* Force memory write to complete before letting h/w know 611 * there are new descriptors to fetch. 612 */ 613 wmb(); 614 615 tx_ring->next_to_use++; 616 if (tx_ring->next_to_use >= tx_ring->count) 617 tx_ring->next_to_use = 0; 618 619 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 620 621 /* Wait until the packets get transmitted to the receive queue. */ 622 usleep_range(1000, 2000); 623 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 624 625 return 0; 626 } 627 628 #define ICE_LB_FRAME_SIZE 64 629 /** 630 * ice_lbtest_receive_frames - receive and verify test frames 631 * @rx_ring: pointer to the receive ring 632 * 633 * Function receives loopback packets and verify their correctness. 634 * Returns number of received valid frames. 635 */ 636 static int ice_lbtest_receive_frames(struct ice_ring *rx_ring) 637 { 638 struct ice_rx_buf *rx_buf; 639 int valid_frames, i; 640 u8 *received_buf; 641 642 valid_frames = 0; 643 644 for (i = 0; i < rx_ring->count; i++) { 645 union ice_32b_rx_flex_desc *rx_desc; 646 647 rx_desc = ICE_RX_DESC(rx_ring, i); 648 649 if (!(rx_desc->wb.status_error0 & 650 cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS))) 651 continue; 652 653 rx_buf = &rx_ring->rx_buf[i]; 654 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 655 656 if (ice_lbtest_check_frame(received_buf)) 657 valid_frames++; 658 } 659 660 return valid_frames; 661 } 662 663 /** 664 * ice_loopback_test - perform a loopback test on a given net_device 665 * @netdev: network interface device structure 666 * 667 * This function performs one of the self-tests required by ethtool. 668 * Returns 0 on success, non-zero on failure. 669 */ 670 static u64 ice_loopback_test(struct net_device *netdev) 671 { 672 struct ice_netdev_priv *np = netdev_priv(netdev); 673 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 674 struct ice_pf *pf = orig_vsi->back; 675 struct ice_ring *tx_ring, *rx_ring; 676 u8 broadcast[ETH_ALEN], ret = 0; 677 int num_frames, valid_frames; 678 struct device *dev; 679 u8 *tx_frame; 680 int i; 681 682 dev = ice_pf_to_dev(pf); 683 netdev_info(netdev, "loopback test\n"); 684 685 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 686 if (!test_vsi) { 687 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 688 return 1; 689 } 690 691 test_vsi->netdev = netdev; 692 tx_ring = test_vsi->tx_rings[0]; 693 rx_ring = test_vsi->rx_rings[0]; 694 695 if (ice_lbtest_prepare_rings(test_vsi)) { 696 ret = 2; 697 goto lbtest_vsi_close; 698 } 699 700 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 701 ret = 3; 702 goto lbtest_rings_dis; 703 } 704 705 /* Enable MAC loopback in firmware */ 706 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 707 ret = 4; 708 goto lbtest_mac_dis; 709 } 710 711 /* Test VSI needs to receive broadcast packets */ 712 eth_broadcast_addr(broadcast); 713 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 714 ret = 5; 715 goto lbtest_mac_dis; 716 } 717 718 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 719 ret = 7; 720 goto remove_mac_filters; 721 } 722 723 num_frames = min_t(int, tx_ring->count, 32); 724 for (i = 0; i < num_frames; i++) { 725 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 726 ret = 8; 727 goto lbtest_free_frame; 728 } 729 } 730 731 valid_frames = ice_lbtest_receive_frames(rx_ring); 732 if (!valid_frames) 733 ret = 9; 734 else if (valid_frames != num_frames) 735 ret = 10; 736 737 lbtest_free_frame: 738 devm_kfree(dev, tx_frame); 739 remove_mac_filters: 740 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 741 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 742 lbtest_mac_dis: 743 /* Disable MAC loopback after the test is completed. */ 744 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 745 netdev_err(netdev, "Could not disable MAC loopback\n"); 746 lbtest_rings_dis: 747 if (ice_lbtest_disable_rings(test_vsi)) 748 netdev_err(netdev, "Could not disable test rings\n"); 749 lbtest_vsi_close: 750 test_vsi->netdev = NULL; 751 if (ice_vsi_release(test_vsi)) 752 netdev_err(netdev, "Failed to remove the test VSI\n"); 753 754 return ret; 755 } 756 757 /** 758 * ice_intr_test - perform an interrupt test on a given net_device 759 * @netdev: network interface device structure 760 * 761 * This function performs one of the self-tests required by ethtool. 762 * Returns 0 on success, non-zero on failure. 763 */ 764 static u64 ice_intr_test(struct net_device *netdev) 765 { 766 struct ice_netdev_priv *np = netdev_priv(netdev); 767 struct ice_pf *pf = np->vsi->back; 768 u16 swic_old = pf->sw_int_count; 769 770 netdev_info(netdev, "interrupt test\n"); 771 772 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 773 GLINT_DYN_CTL_SW_ITR_INDX_M | 774 GLINT_DYN_CTL_INTENA_MSK_M | 775 GLINT_DYN_CTL_SWINT_TRIG_M); 776 777 usleep_range(1000, 2000); 778 return (swic_old == pf->sw_int_count); 779 } 780 781 /** 782 * ice_self_test - handler function for performing a self-test by ethtool 783 * @netdev: network interface device structure 784 * @eth_test: ethtool_test structure 785 * @data: required by ethtool.self_test 786 * 787 * This function is called after invoking 'ethtool -t devname' command where 788 * devname is the name of the network device on which ethtool should operate. 789 * It performs a set of self-tests to check if a device works properly. 790 */ 791 static void 792 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 793 u64 *data) 794 { 795 struct ice_netdev_priv *np = netdev_priv(netdev); 796 bool if_running = netif_running(netdev); 797 struct ice_pf *pf = np->vsi->back; 798 struct device *dev; 799 800 dev = ice_pf_to_dev(pf); 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(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 809 data[ICE_ETH_TEST_REG] = 1; 810 data[ICE_ETH_TEST_EEPROM] = 1; 811 data[ICE_ETH_TEST_INTR] = 1; 812 data[ICE_ETH_TEST_LOOP] = 1; 813 data[ICE_ETH_TEST_LINK] = 1; 814 eth_test->flags |= ETH_TEST_FL_FAILED; 815 clear_bit(__ICE_TESTING, pf->state); 816 goto skip_ol_tests; 817 } 818 /* If the device is online then take it offline */ 819 if (if_running) 820 /* indicate we're in test mode */ 821 ice_stop(netdev); 822 823 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 824 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 825 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 826 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 827 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 828 829 if (data[ICE_ETH_TEST_LINK] || 830 data[ICE_ETH_TEST_EEPROM] || 831 data[ICE_ETH_TEST_LOOP] || 832 data[ICE_ETH_TEST_INTR] || 833 data[ICE_ETH_TEST_REG]) 834 eth_test->flags |= ETH_TEST_FL_FAILED; 835 836 clear_bit(__ICE_TESTING, pf->state); 837 838 if (if_running) { 839 int status = ice_open(netdev); 840 841 if (status) { 842 dev_err(dev, "Could not open device %s, err %d\n", 843 pf->int_name, status); 844 } 845 } 846 } else { 847 /* Online tests */ 848 netdev_info(netdev, "online testing starting\n"); 849 850 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 851 if (data[ICE_ETH_TEST_LINK]) 852 eth_test->flags |= ETH_TEST_FL_FAILED; 853 854 /* Offline only tests, not run in online; pass by default */ 855 data[ICE_ETH_TEST_REG] = 0; 856 data[ICE_ETH_TEST_EEPROM] = 0; 857 data[ICE_ETH_TEST_INTR] = 0; 858 data[ICE_ETH_TEST_LOOP] = 0; 859 } 860 861 skip_ol_tests: 862 netdev_info(netdev, "testing finished\n"); 863 } 864 865 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 866 { 867 struct ice_netdev_priv *np = netdev_priv(netdev); 868 struct ice_vsi *vsi = np->vsi; 869 char *p = (char *)data; 870 unsigned int i; 871 872 switch (stringset) { 873 case ETH_SS_STATS: 874 for (i = 0; i < ICE_VSI_STATS_LEN; i++) { 875 snprintf(p, ETH_GSTRING_LEN, "%s", 876 ice_gstrings_vsi_stats[i].stat_string); 877 p += ETH_GSTRING_LEN; 878 } 879 880 ice_for_each_alloc_txq(vsi, i) { 881 snprintf(p, ETH_GSTRING_LEN, 882 "tx_queue_%u_packets", i); 883 p += ETH_GSTRING_LEN; 884 snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i); 885 p += ETH_GSTRING_LEN; 886 } 887 888 ice_for_each_alloc_rxq(vsi, i) { 889 snprintf(p, ETH_GSTRING_LEN, 890 "rx_queue_%u_packets", i); 891 p += ETH_GSTRING_LEN; 892 snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i); 893 p += ETH_GSTRING_LEN; 894 } 895 896 if (vsi->type != ICE_VSI_PF) 897 return; 898 899 for (i = 0; i < ICE_PF_STATS_LEN; i++) { 900 snprintf(p, ETH_GSTRING_LEN, "%s", 901 ice_gstrings_pf_stats[i].stat_string); 902 p += ETH_GSTRING_LEN; 903 } 904 905 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 906 snprintf(p, ETH_GSTRING_LEN, 907 "tx_priority_%u_xon.nic", i); 908 p += ETH_GSTRING_LEN; 909 snprintf(p, ETH_GSTRING_LEN, 910 "tx_priority_%u_xoff.nic", i); 911 p += ETH_GSTRING_LEN; 912 } 913 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 914 snprintf(p, ETH_GSTRING_LEN, 915 "rx_priority_%u_xon.nic", i); 916 p += ETH_GSTRING_LEN; 917 snprintf(p, ETH_GSTRING_LEN, 918 "rx_priority_%u_xoff.nic", i); 919 p += ETH_GSTRING_LEN; 920 } 921 break; 922 case ETH_SS_TEST: 923 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 924 break; 925 case ETH_SS_PRIV_FLAGS: 926 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 927 snprintf(p, ETH_GSTRING_LEN, "%s", 928 ice_gstrings_priv_flags[i].name); 929 p += ETH_GSTRING_LEN; 930 } 931 break; 932 default: 933 break; 934 } 935 } 936 937 static int 938 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 939 { 940 struct ice_netdev_priv *np = netdev_priv(netdev); 941 bool led_active; 942 943 switch (state) { 944 case ETHTOOL_ID_ACTIVE: 945 led_active = true; 946 break; 947 case ETHTOOL_ID_INACTIVE: 948 led_active = false; 949 break; 950 default: 951 return -EINVAL; 952 } 953 954 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 955 return -EIO; 956 957 return 0; 958 } 959 960 /** 961 * ice_set_fec_cfg - Set link FEC options 962 * @netdev: network interface device structure 963 * @req_fec: FEC mode to configure 964 */ 965 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 966 { 967 struct ice_netdev_priv *np = netdev_priv(netdev); 968 struct ice_aqc_set_phy_cfg_data config = { 0 }; 969 struct ice_vsi *vsi = np->vsi; 970 struct ice_port_info *pi; 971 972 pi = vsi->port_info; 973 if (!pi) 974 return -EOPNOTSUPP; 975 976 /* Changing the FEC parameters is not supported if not the PF VSI */ 977 if (vsi->type != ICE_VSI_PF) { 978 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 979 return -EOPNOTSUPP; 980 } 981 982 /* Proceed only if requesting different FEC mode */ 983 if (pi->phy.curr_user_fec_req == req_fec) 984 return 0; 985 986 /* Copy the current user PHY configuration. The current user PHY 987 * configuration is initialized during probe from PHY capabilities 988 * software mode, and updated on set PHY configuration. 989 */ 990 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 991 992 ice_cfg_phy_fec(pi, &config, req_fec); 993 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 994 995 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 996 return -EAGAIN; 997 998 /* Save requested FEC config */ 999 pi->phy.curr_user_fec_req = req_fec; 1000 1001 return 0; 1002 } 1003 1004 /** 1005 * ice_set_fecparam - Set FEC link options 1006 * @netdev: network interface device structure 1007 * @fecparam: Ethtool structure to retrieve FEC parameters 1008 */ 1009 static int 1010 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1011 { 1012 struct ice_netdev_priv *np = netdev_priv(netdev); 1013 struct ice_vsi *vsi = np->vsi; 1014 enum ice_fec_mode fec; 1015 1016 switch (fecparam->fec) { 1017 case ETHTOOL_FEC_AUTO: 1018 fec = ICE_FEC_AUTO; 1019 break; 1020 case ETHTOOL_FEC_RS: 1021 fec = ICE_FEC_RS; 1022 break; 1023 case ETHTOOL_FEC_BASER: 1024 fec = ICE_FEC_BASER; 1025 break; 1026 case ETHTOOL_FEC_OFF: 1027 case ETHTOOL_FEC_NONE: 1028 fec = ICE_FEC_NONE; 1029 break; 1030 default: 1031 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1032 fecparam->fec); 1033 return -EINVAL; 1034 } 1035 1036 return ice_set_fec_cfg(netdev, fec); 1037 } 1038 1039 /** 1040 * ice_get_fecparam - Get link FEC options 1041 * @netdev: network interface device structure 1042 * @fecparam: Ethtool structure to retrieve FEC parameters 1043 */ 1044 static int 1045 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1046 { 1047 struct ice_netdev_priv *np = netdev_priv(netdev); 1048 struct ice_aqc_get_phy_caps_data *caps; 1049 struct ice_link_status *link_info; 1050 struct ice_vsi *vsi = np->vsi; 1051 struct ice_port_info *pi; 1052 enum ice_status status; 1053 int err = 0; 1054 1055 pi = vsi->port_info; 1056 1057 if (!pi) 1058 return -EOPNOTSUPP; 1059 link_info = &pi->phy.link_info; 1060 1061 /* Set FEC mode based on negotiated link info */ 1062 switch (link_info->fec_info) { 1063 case ICE_AQ_LINK_25G_KR_FEC_EN: 1064 fecparam->active_fec = ETHTOOL_FEC_BASER; 1065 break; 1066 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1067 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1068 fecparam->active_fec = ETHTOOL_FEC_RS; 1069 break; 1070 default: 1071 fecparam->active_fec = ETHTOOL_FEC_OFF; 1072 break; 1073 } 1074 1075 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1076 if (!caps) 1077 return -ENOMEM; 1078 1079 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, 1080 caps, NULL); 1081 if (status) { 1082 err = -EAGAIN; 1083 goto done; 1084 } 1085 1086 /* Set supported/configured FEC modes based on PHY capability */ 1087 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1088 fecparam->fec |= ETHTOOL_FEC_AUTO; 1089 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1090 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1091 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1092 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1093 fecparam->fec |= ETHTOOL_FEC_BASER; 1094 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1095 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1096 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1097 fecparam->fec |= ETHTOOL_FEC_RS; 1098 if (caps->link_fec_options == 0) 1099 fecparam->fec |= ETHTOOL_FEC_OFF; 1100 1101 done: 1102 kfree(caps); 1103 return err; 1104 } 1105 1106 /** 1107 * ice_nway_reset - restart autonegotiation 1108 * @netdev: network interface device structure 1109 */ 1110 static int ice_nway_reset(struct net_device *netdev) 1111 { 1112 struct ice_netdev_priv *np = netdev_priv(netdev); 1113 struct ice_vsi *vsi = np->vsi; 1114 struct ice_port_info *pi; 1115 enum ice_status status; 1116 1117 pi = vsi->port_info; 1118 /* If VSI state is up, then restart autoneg with link up */ 1119 if (!test_bit(__ICE_DOWN, vsi->back->state)) 1120 status = ice_aq_set_link_restart_an(pi, true, NULL); 1121 else 1122 status = ice_aq_set_link_restart_an(pi, false, NULL); 1123 1124 if (status) { 1125 netdev_info(netdev, "link restart failed, err %s aq_err %s\n", 1126 ice_stat_str(status), 1127 ice_aq_str(pi->hw->adminq.sq_last_status)); 1128 return -EIO; 1129 } 1130 1131 return 0; 1132 } 1133 1134 /** 1135 * ice_get_priv_flags - report device private flags 1136 * @netdev: network interface device structure 1137 * 1138 * The get string set count and the string set should be matched for each 1139 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1140 * array. 1141 * 1142 * Returns a u32 bitmap of flags. 1143 */ 1144 static u32 ice_get_priv_flags(struct net_device *netdev) 1145 { 1146 struct ice_netdev_priv *np = netdev_priv(netdev); 1147 struct ice_vsi *vsi = np->vsi; 1148 struct ice_pf *pf = vsi->back; 1149 u32 i, ret_flags = 0; 1150 1151 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1152 const struct ice_priv_flag *priv_flag; 1153 1154 priv_flag = &ice_gstrings_priv_flags[i]; 1155 1156 if (test_bit(priv_flag->bitno, pf->flags)) 1157 ret_flags |= BIT(i); 1158 } 1159 1160 return ret_flags; 1161 } 1162 1163 /** 1164 * ice_set_priv_flags - set private flags 1165 * @netdev: network interface device structure 1166 * @flags: bit flags to be set 1167 */ 1168 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1169 { 1170 struct ice_netdev_priv *np = netdev_priv(netdev); 1171 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1172 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1173 struct ice_vsi *vsi = np->vsi; 1174 struct ice_pf *pf = vsi->back; 1175 struct device *dev; 1176 int ret = 0; 1177 u32 i; 1178 1179 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1180 return -EINVAL; 1181 1182 dev = ice_pf_to_dev(pf); 1183 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1184 1185 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1186 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1187 const struct ice_priv_flag *priv_flag; 1188 1189 priv_flag = &ice_gstrings_priv_flags[i]; 1190 1191 if (flags & BIT(i)) 1192 set_bit(priv_flag->bitno, pf->flags); 1193 else 1194 clear_bit(priv_flag->bitno, pf->flags); 1195 } 1196 1197 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1198 1199 /* Do not allow change to link-down-on-close when Total Port Shutdown 1200 * is enabled. 1201 */ 1202 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1203 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1204 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1205 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1206 ret = -EINVAL; 1207 goto ethtool_exit; 1208 } 1209 1210 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1211 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1212 enum ice_status status; 1213 1214 /* Disable FW LLDP engine */ 1215 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1216 1217 /* If unregistering for LLDP events fails, this is 1218 * not an error state, as there shouldn't be any 1219 * events to respond to. 1220 */ 1221 if (status) 1222 dev_info(dev, "Failed to unreg for LLDP events\n"); 1223 1224 /* The AQ call to stop the FW LLDP agent will generate 1225 * an error if the agent is already stopped. 1226 */ 1227 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1228 if (status) 1229 dev_warn(dev, "Fail to stop LLDP agent\n"); 1230 /* Use case for having the FW LLDP agent stopped 1231 * will likely not need DCB, so failure to init is 1232 * not a concern of ethtool 1233 */ 1234 status = ice_init_pf_dcb(pf, true); 1235 if (status) 1236 dev_warn(dev, "Fail to init DCB\n"); 1237 } else { 1238 enum ice_status status; 1239 bool dcbx_agent_status; 1240 1241 /* AQ command to start FW LLDP agent will return an 1242 * error if the agent is already started 1243 */ 1244 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1245 if (status) 1246 dev_warn(dev, "Fail to start LLDP Agent\n"); 1247 1248 /* AQ command to start FW DCBX agent will fail if 1249 * the agent is already started 1250 */ 1251 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1252 &dcbx_agent_status, 1253 NULL); 1254 if (status) 1255 dev_dbg(dev, "Failed to start FW DCBX\n"); 1256 1257 dev_info(dev, "FW DCBX agent is %s\n", 1258 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1259 1260 /* Failure to configure MIB change or init DCB is not 1261 * relevant to ethtool. Print notification that 1262 * registration/init failed but do not return error 1263 * state to ethtool 1264 */ 1265 status = ice_init_pf_dcb(pf, true); 1266 if (status) 1267 dev_dbg(dev, "Fail to init DCB\n"); 1268 1269 /* Remove rule to direct LLDP packets to default VSI. 1270 * The FW LLDP engine will now be consuming them. 1271 */ 1272 ice_cfg_sw_lldp(vsi, false, false); 1273 1274 /* Register for MIB change events */ 1275 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1276 if (status) 1277 dev_dbg(dev, "Fail to enable MIB change events\n"); 1278 1279 ice_nway_reset(netdev); 1280 } 1281 } 1282 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1283 /* down and up VSI so that changes of Rx cfg are reflected. */ 1284 ice_down(vsi); 1285 ice_up(vsi); 1286 } 1287 /* don't allow modification of this flag when a single VF is in 1288 * promiscuous mode because it's not supported 1289 */ 1290 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1291 ice_is_any_vf_in_promisc(pf)) { 1292 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1293 /* toggle bit back to previous state */ 1294 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1295 ret = -EAGAIN; 1296 } 1297 ethtool_exit: 1298 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1299 return ret; 1300 } 1301 1302 static int ice_get_sset_count(struct net_device *netdev, int sset) 1303 { 1304 switch (sset) { 1305 case ETH_SS_STATS: 1306 /* The number (and order) of strings reported *must* remain 1307 * constant for a given netdevice. This function must not 1308 * report a different number based on run time parameters 1309 * (such as the number of queues in use, or the setting of 1310 * a private ethtool flag). This is due to the nature of the 1311 * ethtool stats API. 1312 * 1313 * Userspace programs such as ethtool must make 3 separate 1314 * ioctl requests, one for size, one for the strings, and 1315 * finally one for the stats. Since these cross into 1316 * userspace, changes to the number or size could result in 1317 * undefined memory access or incorrect string<->value 1318 * correlations for statistics. 1319 * 1320 * Even if it appears to be safe, changes to the size or 1321 * order of strings will suffer from race conditions and are 1322 * not safe. 1323 */ 1324 return ICE_ALL_STATS_LEN(netdev); 1325 case ETH_SS_TEST: 1326 return ICE_TEST_LEN; 1327 case ETH_SS_PRIV_FLAGS: 1328 return ICE_PRIV_FLAG_ARRAY_SIZE; 1329 default: 1330 return -EOPNOTSUPP; 1331 } 1332 } 1333 1334 static void 1335 ice_get_ethtool_stats(struct net_device *netdev, 1336 struct ethtool_stats __always_unused *stats, u64 *data) 1337 { 1338 struct ice_netdev_priv *np = netdev_priv(netdev); 1339 struct ice_vsi *vsi = np->vsi; 1340 struct ice_pf *pf = vsi->back; 1341 struct ice_ring *ring; 1342 unsigned int j; 1343 int i = 0; 1344 char *p; 1345 1346 ice_update_pf_stats(pf); 1347 ice_update_vsi_stats(vsi); 1348 1349 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1350 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1351 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1352 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1353 } 1354 1355 /* populate per queue stats */ 1356 rcu_read_lock(); 1357 1358 ice_for_each_alloc_txq(vsi, j) { 1359 ring = READ_ONCE(vsi->tx_rings[j]); 1360 if (ring) { 1361 data[i++] = ring->stats.pkts; 1362 data[i++] = ring->stats.bytes; 1363 } else { 1364 data[i++] = 0; 1365 data[i++] = 0; 1366 } 1367 } 1368 1369 ice_for_each_alloc_rxq(vsi, j) { 1370 ring = READ_ONCE(vsi->rx_rings[j]); 1371 if (ring) { 1372 data[i++] = ring->stats.pkts; 1373 data[i++] = ring->stats.bytes; 1374 } else { 1375 data[i++] = 0; 1376 data[i++] = 0; 1377 } 1378 } 1379 1380 rcu_read_unlock(); 1381 1382 if (vsi->type != ICE_VSI_PF) 1383 return; 1384 1385 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1386 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1387 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1388 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1389 } 1390 1391 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1392 data[i++] = pf->stats.priority_xon_tx[j]; 1393 data[i++] = pf->stats.priority_xoff_tx[j]; 1394 } 1395 1396 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1397 data[i++] = pf->stats.priority_xon_rx[j]; 1398 data[i++] = pf->stats.priority_xoff_rx[j]; 1399 } 1400 } 1401 1402 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1403 ICE_PHY_TYPE_LOW_100M_SGMII) 1404 1405 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1406 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1407 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1408 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1409 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1410 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1411 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1412 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1413 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1414 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1415 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1416 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1417 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1418 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1419 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1420 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1421 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1422 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1423 1424 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1425 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1426 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1427 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1428 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1429 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1430 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1431 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1432 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1433 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1434 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1435 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1436 ICE_PHY_TYPE_LOW_100GBASE_DR) 1437 1438 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1439 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1440 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1441 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1442 ICE_PHY_TYPE_HIGH_100G_AUI2) 1443 1444 /** 1445 * ice_mask_min_supported_speeds 1446 * @phy_types_high: PHY type high 1447 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1448 * 1449 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1450 * for ethtool supported link mode. 1451 */ 1452 static 1453 void ice_mask_min_supported_speeds(u64 phy_types_high, u64 *phy_types_low) 1454 { 1455 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1456 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G || 1457 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) 1458 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1459 else 1460 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1461 } 1462 1463 #define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \ 1464 do { \ 1465 if (req_speeds & (aq_link_speed) || \ 1466 (!req_speeds && \ 1467 (adv_phy_type_lo & phy_type_mask_lo || \ 1468 adv_phy_type_hi & phy_type_mask_hi))) \ 1469 ethtool_link_ksettings_add_link_mode(ks, advertising,\ 1470 ethtool_link_mode); \ 1471 } while (0) 1472 1473 /** 1474 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1475 * @netdev: network interface device structure 1476 * @ks: ethtool link ksettings struct to fill out 1477 */ 1478 static void 1479 ice_phy_type_to_ethtool(struct net_device *netdev, 1480 struct ethtool_link_ksettings *ks) 1481 { 1482 struct ice_netdev_priv *np = netdev_priv(netdev); 1483 struct ice_vsi *vsi = np->vsi; 1484 struct ice_pf *pf = vsi->back; 1485 u64 phy_type_mask_lo = 0; 1486 u64 phy_type_mask_hi = 0; 1487 u64 adv_phy_type_lo = 0; 1488 u64 adv_phy_type_hi = 0; 1489 u64 phy_types_high = 0; 1490 u64 phy_types_low = 0; 1491 u16 req_speeds; 1492 1493 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1494 1495 /* Check if lenient mode is supported and enabled, or in strict mode. 1496 * 1497 * In lenient mode the Supported link modes are the PHY types without 1498 * media. The Advertising link mode is either 1. the user requested 1499 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1500 * 1501 * In strict mode Supported link mode are the PHY type with media, 1502 * and Advertising link modes are the media PHY type or the speed 1503 * requested by user. 1504 */ 1505 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1506 struct ice_link_default_override_tlv *ldo; 1507 1508 ldo = &pf->link_dflt_override; 1509 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1510 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1511 1512 ice_mask_min_supported_speeds(phy_types_high, &phy_types_low); 1513 1514 /* If override enabled and PHY mask set, then 1515 * Advertising link mode is the intersection of the PHY 1516 * types without media and the override PHY mask. 1517 */ 1518 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1519 (ldo->phy_type_low || ldo->phy_type_high)) { 1520 adv_phy_type_lo = 1521 le64_to_cpu(pf->nvm_phy_type_lo) & 1522 ldo->phy_type_low; 1523 adv_phy_type_hi = 1524 le64_to_cpu(pf->nvm_phy_type_hi) & 1525 ldo->phy_type_high; 1526 } 1527 } else { 1528 phy_types_low = vsi->port_info->phy.phy_type_low; 1529 phy_types_high = vsi->port_info->phy.phy_type_high; 1530 } 1531 1532 /* If Advertising link mode PHY type is not using override PHY type, 1533 * then use PHY type with media. 1534 */ 1535 if (!adv_phy_type_lo && !adv_phy_type_hi) { 1536 adv_phy_type_lo = vsi->port_info->phy.phy_type_low; 1537 adv_phy_type_hi = vsi->port_info->phy.phy_type_high; 1538 } 1539 1540 ethtool_link_ksettings_zero_link_mode(ks, supported); 1541 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1542 1543 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX | 1544 ICE_PHY_TYPE_LOW_100M_SGMII; 1545 if (phy_types_low & phy_type_mask_lo) { 1546 ethtool_link_ksettings_add_link_mode(ks, supported, 1547 100baseT_Full); 1548 1549 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB, 1550 100baseT_Full); 1551 } 1552 1553 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T | 1554 ICE_PHY_TYPE_LOW_1G_SGMII; 1555 if (phy_types_low & phy_type_mask_lo) { 1556 ethtool_link_ksettings_add_link_mode(ks, supported, 1557 1000baseT_Full); 1558 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1559 1000baseT_Full); 1560 } 1561 1562 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX; 1563 if (phy_types_low & phy_type_mask_lo) { 1564 ethtool_link_ksettings_add_link_mode(ks, supported, 1565 1000baseKX_Full); 1566 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1567 1000baseKX_Full); 1568 } 1569 1570 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX | 1571 ICE_PHY_TYPE_LOW_1000BASE_LX; 1572 if (phy_types_low & phy_type_mask_lo) { 1573 ethtool_link_ksettings_add_link_mode(ks, supported, 1574 1000baseX_Full); 1575 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1576 1000baseX_Full); 1577 } 1578 1579 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T; 1580 if (phy_types_low & phy_type_mask_lo) { 1581 ethtool_link_ksettings_add_link_mode(ks, supported, 1582 2500baseT_Full); 1583 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1584 2500baseT_Full); 1585 } 1586 1587 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X | 1588 ICE_PHY_TYPE_LOW_2500BASE_KX; 1589 if (phy_types_low & phy_type_mask_lo) { 1590 ethtool_link_ksettings_add_link_mode(ks, supported, 1591 2500baseX_Full); 1592 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1593 2500baseX_Full); 1594 } 1595 1596 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T | 1597 ICE_PHY_TYPE_LOW_5GBASE_KR; 1598 if (phy_types_low & phy_type_mask_lo) { 1599 ethtool_link_ksettings_add_link_mode(ks, supported, 1600 5000baseT_Full); 1601 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB, 1602 5000baseT_Full); 1603 } 1604 1605 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T | 1606 ICE_PHY_TYPE_LOW_10G_SFI_DA | 1607 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | 1608 ICE_PHY_TYPE_LOW_10G_SFI_C2C; 1609 if (phy_types_low & phy_type_mask_lo) { 1610 ethtool_link_ksettings_add_link_mode(ks, supported, 1611 10000baseT_Full); 1612 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1613 10000baseT_Full); 1614 } 1615 1616 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1; 1617 if (phy_types_low & phy_type_mask_lo) { 1618 ethtool_link_ksettings_add_link_mode(ks, supported, 1619 10000baseKR_Full); 1620 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1621 10000baseKR_Full); 1622 } 1623 1624 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR; 1625 if (phy_types_low & phy_type_mask_lo) { 1626 ethtool_link_ksettings_add_link_mode(ks, supported, 1627 10000baseSR_Full); 1628 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1629 10000baseSR_Full); 1630 } 1631 1632 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR; 1633 if (phy_types_low & phy_type_mask_lo) { 1634 ethtool_link_ksettings_add_link_mode(ks, supported, 1635 10000baseLR_Full); 1636 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1637 10000baseLR_Full); 1638 } 1639 1640 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T | 1641 ICE_PHY_TYPE_LOW_25GBASE_CR | 1642 ICE_PHY_TYPE_LOW_25GBASE_CR_S | 1643 ICE_PHY_TYPE_LOW_25GBASE_CR1 | 1644 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC | 1645 ICE_PHY_TYPE_LOW_25G_AUI_C2C; 1646 if (phy_types_low & phy_type_mask_lo) { 1647 ethtool_link_ksettings_add_link_mode(ks, supported, 1648 25000baseCR_Full); 1649 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1650 25000baseCR_Full); 1651 } 1652 1653 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR | 1654 ICE_PHY_TYPE_LOW_25GBASE_LR; 1655 if (phy_types_low & phy_type_mask_lo) { 1656 ethtool_link_ksettings_add_link_mode(ks, supported, 1657 25000baseSR_Full); 1658 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1659 25000baseSR_Full); 1660 } 1661 1662 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR | 1663 ICE_PHY_TYPE_LOW_25GBASE_KR_S | 1664 ICE_PHY_TYPE_LOW_25GBASE_KR1; 1665 if (phy_types_low & phy_type_mask_lo) { 1666 ethtool_link_ksettings_add_link_mode(ks, supported, 1667 25000baseKR_Full); 1668 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1669 25000baseKR_Full); 1670 } 1671 1672 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4; 1673 if (phy_types_low & phy_type_mask_lo) { 1674 ethtool_link_ksettings_add_link_mode(ks, supported, 1675 40000baseKR4_Full); 1676 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1677 40000baseKR4_Full); 1678 } 1679 1680 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 | 1681 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC | 1682 ICE_PHY_TYPE_LOW_40G_XLAUI; 1683 if (phy_types_low & phy_type_mask_lo) { 1684 ethtool_link_ksettings_add_link_mode(ks, supported, 1685 40000baseCR4_Full); 1686 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1687 40000baseCR4_Full); 1688 } 1689 1690 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4; 1691 if (phy_types_low & phy_type_mask_lo) { 1692 ethtool_link_ksettings_add_link_mode(ks, supported, 1693 40000baseSR4_Full); 1694 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1695 40000baseSR4_Full); 1696 } 1697 1698 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4; 1699 if (phy_types_low & phy_type_mask_lo) { 1700 ethtool_link_ksettings_add_link_mode(ks, supported, 1701 40000baseLR4_Full); 1702 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1703 40000baseLR4_Full); 1704 } 1705 1706 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 | 1707 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC | 1708 ICE_PHY_TYPE_LOW_50G_LAUI2 | 1709 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC | 1710 ICE_PHY_TYPE_LOW_50G_AUI2 | 1711 ICE_PHY_TYPE_LOW_50GBASE_CP | 1712 ICE_PHY_TYPE_LOW_50GBASE_SR | 1713 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC | 1714 ICE_PHY_TYPE_LOW_50G_AUI1; 1715 if (phy_types_low & phy_type_mask_lo) { 1716 ethtool_link_ksettings_add_link_mode(ks, supported, 1717 50000baseCR2_Full); 1718 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1719 50000baseCR2_Full); 1720 } 1721 1722 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 | 1723 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4; 1724 if (phy_types_low & phy_type_mask_lo) { 1725 ethtool_link_ksettings_add_link_mode(ks, supported, 1726 50000baseKR2_Full); 1727 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1728 50000baseKR2_Full); 1729 } 1730 1731 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 | 1732 ICE_PHY_TYPE_LOW_50GBASE_LR2 | 1733 ICE_PHY_TYPE_LOW_50GBASE_FR | 1734 ICE_PHY_TYPE_LOW_50GBASE_LR; 1735 if (phy_types_low & phy_type_mask_lo) { 1736 ethtool_link_ksettings_add_link_mode(ks, supported, 1737 50000baseSR2_Full); 1738 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1739 50000baseSR2_Full); 1740 } 1741 1742 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 | 1743 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | 1744 ICE_PHY_TYPE_LOW_100G_CAUI4 | 1745 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | 1746 ICE_PHY_TYPE_LOW_100G_AUI4 | 1747 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | 1748 ICE_PHY_TYPE_LOW_100GBASE_CP2; 1749 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC | 1750 ICE_PHY_TYPE_HIGH_100G_CAUI2 | 1751 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | 1752 ICE_PHY_TYPE_HIGH_100G_AUI2; 1753 if (phy_types_low & phy_type_mask_lo || 1754 phy_types_high & phy_type_mask_hi) { 1755 ethtool_link_ksettings_add_link_mode(ks, supported, 1756 100000baseCR4_Full); 1757 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1758 100000baseCR4_Full); 1759 } 1760 1761 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 | 1762 ICE_PHY_TYPE_LOW_100GBASE_SR2; 1763 if (phy_types_low & phy_type_mask_lo) { 1764 ethtool_link_ksettings_add_link_mode(ks, supported, 1765 100000baseSR4_Full); 1766 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1767 100000baseSR4_Full); 1768 } 1769 1770 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 | 1771 ICE_PHY_TYPE_LOW_100GBASE_DR; 1772 if (phy_types_low & phy_type_mask_lo) { 1773 ethtool_link_ksettings_add_link_mode(ks, supported, 1774 100000baseLR4_ER4_Full); 1775 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1776 100000baseLR4_ER4_Full); 1777 } 1778 1779 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 | 1780 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4; 1781 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4; 1782 if (phy_types_low & phy_type_mask_lo || 1783 phy_types_high & phy_type_mask_hi) { 1784 ethtool_link_ksettings_add_link_mode(ks, supported, 1785 100000baseKR4_Full); 1786 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1787 100000baseKR4_Full); 1788 } 1789 1790 /* Autoneg PHY types */ 1791 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || 1792 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || 1793 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX || 1794 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T || 1795 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX || 1796 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || 1797 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR || 1798 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || 1799 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 || 1800 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || 1801 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || 1802 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || 1803 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || 1804 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || 1805 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || 1806 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1 || 1807 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || 1808 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { 1809 ethtool_link_ksettings_add_link_mode(ks, supported, 1810 Autoneg); 1811 ethtool_link_ksettings_add_link_mode(ks, advertising, 1812 Autoneg); 1813 } 1814 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || 1815 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || 1816 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || 1817 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { 1818 ethtool_link_ksettings_add_link_mode(ks, supported, 1819 Autoneg); 1820 ethtool_link_ksettings_add_link_mode(ks, advertising, 1821 Autoneg); 1822 } 1823 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || 1824 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || 1825 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || 1826 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) { 1827 ethtool_link_ksettings_add_link_mode(ks, supported, 1828 Autoneg); 1829 ethtool_link_ksettings_add_link_mode(ks, advertising, 1830 Autoneg); 1831 } 1832 } 1833 1834 #define TEST_SET_BITS_TIMEOUT 50 1835 #define TEST_SET_BITS_SLEEP_MAX 2000 1836 #define TEST_SET_BITS_SLEEP_MIN 1000 1837 1838 /** 1839 * ice_get_settings_link_up - Get Link settings for when link is up 1840 * @ks: ethtool ksettings to fill in 1841 * @netdev: network interface device structure 1842 */ 1843 static void 1844 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1845 struct net_device *netdev) 1846 { 1847 struct ice_netdev_priv *np = netdev_priv(netdev); 1848 struct ice_port_info *pi = np->vsi->port_info; 1849 struct ice_link_status *link_info; 1850 struct ice_vsi *vsi = np->vsi; 1851 1852 link_info = &vsi->port_info->phy.link_info; 1853 1854 /* Get supported and advertised settings from PHY ability with media */ 1855 ice_phy_type_to_ethtool(netdev, ks); 1856 1857 switch (link_info->link_speed) { 1858 case ICE_AQ_LINK_SPEED_100GB: 1859 ks->base.speed = SPEED_100000; 1860 break; 1861 case ICE_AQ_LINK_SPEED_50GB: 1862 ks->base.speed = SPEED_50000; 1863 break; 1864 case ICE_AQ_LINK_SPEED_40GB: 1865 ks->base.speed = SPEED_40000; 1866 break; 1867 case ICE_AQ_LINK_SPEED_25GB: 1868 ks->base.speed = SPEED_25000; 1869 break; 1870 case ICE_AQ_LINK_SPEED_20GB: 1871 ks->base.speed = SPEED_20000; 1872 break; 1873 case ICE_AQ_LINK_SPEED_10GB: 1874 ks->base.speed = SPEED_10000; 1875 break; 1876 case ICE_AQ_LINK_SPEED_5GB: 1877 ks->base.speed = SPEED_5000; 1878 break; 1879 case ICE_AQ_LINK_SPEED_2500MB: 1880 ks->base.speed = SPEED_2500; 1881 break; 1882 case ICE_AQ_LINK_SPEED_1000MB: 1883 ks->base.speed = SPEED_1000; 1884 break; 1885 case ICE_AQ_LINK_SPEED_100MB: 1886 ks->base.speed = SPEED_100; 1887 break; 1888 default: 1889 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1890 link_info->link_speed); 1891 break; 1892 } 1893 ks->base.duplex = DUPLEX_FULL; 1894 1895 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1896 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1897 Autoneg); 1898 1899 /* Set flow control negotiated Rx/Tx pause */ 1900 switch (pi->fc.current_mode) { 1901 case ICE_FC_FULL: 1902 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1903 break; 1904 case ICE_FC_TX_PAUSE: 1905 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1906 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1907 Asym_Pause); 1908 break; 1909 case ICE_FC_RX_PAUSE: 1910 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1911 Asym_Pause); 1912 break; 1913 case ICE_FC_PFC: 1914 default: 1915 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1916 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1917 Asym_Pause); 1918 break; 1919 } 1920 } 1921 1922 /** 1923 * ice_get_settings_link_down - Get the Link settings when link is down 1924 * @ks: ethtool ksettings to fill in 1925 * @netdev: network interface device structure 1926 * 1927 * Reports link settings that can be determined when link is down 1928 */ 1929 static void 1930 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1931 struct net_device *netdev) 1932 { 1933 /* link is down and the driver needs to fall back on 1934 * supported PHY types to figure out what info to display 1935 */ 1936 ice_phy_type_to_ethtool(netdev, ks); 1937 1938 /* With no link, speed and duplex are unknown */ 1939 ks->base.speed = SPEED_UNKNOWN; 1940 ks->base.duplex = DUPLEX_UNKNOWN; 1941 } 1942 1943 /** 1944 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1945 * @netdev: network interface device structure 1946 * @ks: ethtool ksettings 1947 * 1948 * Reports speed/duplex settings based on media_type 1949 */ 1950 static int 1951 ice_get_link_ksettings(struct net_device *netdev, 1952 struct ethtool_link_ksettings *ks) 1953 { 1954 struct ice_netdev_priv *np = netdev_priv(netdev); 1955 struct ice_aqc_get_phy_caps_data *caps; 1956 struct ice_link_status *hw_link_info; 1957 struct ice_vsi *vsi = np->vsi; 1958 enum ice_status status; 1959 int err = 0; 1960 1961 ethtool_link_ksettings_zero_link_mode(ks, supported); 1962 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1963 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1964 hw_link_info = &vsi->port_info->phy.link_info; 1965 1966 /* set speed and duplex */ 1967 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 1968 ice_get_settings_link_up(ks, netdev); 1969 else 1970 ice_get_settings_link_down(ks, netdev); 1971 1972 /* set autoneg settings */ 1973 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 1974 AUTONEG_ENABLE : AUTONEG_DISABLE; 1975 1976 /* set media type settings */ 1977 switch (vsi->port_info->phy.media_type) { 1978 case ICE_MEDIA_FIBER: 1979 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1980 ks->base.port = PORT_FIBRE; 1981 break; 1982 case ICE_MEDIA_BASET: 1983 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 1984 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 1985 ks->base.port = PORT_TP; 1986 break; 1987 case ICE_MEDIA_BACKPLANE: 1988 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1989 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 1990 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1991 ethtool_link_ksettings_add_link_mode(ks, advertising, 1992 Backplane); 1993 ks->base.port = PORT_NONE; 1994 break; 1995 case ICE_MEDIA_DA: 1996 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1997 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 1998 ks->base.port = PORT_DA; 1999 break; 2000 default: 2001 ks->base.port = PORT_OTHER; 2002 break; 2003 } 2004 2005 /* flow control is symmetric and always supported */ 2006 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2007 2008 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 2009 if (!caps) 2010 return -ENOMEM; 2011 2012 status = ice_aq_get_phy_caps(vsi->port_info, false, 2013 ICE_AQC_REPORT_SW_CFG, caps, NULL); 2014 if (status) { 2015 err = -EIO; 2016 goto done; 2017 } 2018 2019 /* Set the advertised flow control based on the PHY capability */ 2020 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2021 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2022 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2023 ethtool_link_ksettings_add_link_mode(ks, advertising, 2024 Asym_Pause); 2025 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2026 ethtool_link_ksettings_add_link_mode(ks, advertising, 2027 Asym_Pause); 2028 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2029 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2030 ethtool_link_ksettings_add_link_mode(ks, advertising, 2031 Asym_Pause); 2032 } else { 2033 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2034 ethtool_link_ksettings_del_link_mode(ks, advertising, 2035 Asym_Pause); 2036 } 2037 2038 /* Set advertised FEC modes based on PHY capability */ 2039 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2040 2041 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2042 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2043 ethtool_link_ksettings_add_link_mode(ks, advertising, 2044 FEC_BASER); 2045 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2046 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2047 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2048 2049 status = ice_aq_get_phy_caps(vsi->port_info, false, 2050 ICE_AQC_REPORT_TOPO_CAP, caps, NULL); 2051 if (status) { 2052 err = -EIO; 2053 goto done; 2054 } 2055 2056 /* Set supported FEC modes based on PHY capability */ 2057 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2058 2059 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2060 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2061 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2062 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2063 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2064 2065 done: 2066 kfree(caps); 2067 return err; 2068 } 2069 2070 /** 2071 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2072 * @ks: ethtool ksettings 2073 */ 2074 static u16 2075 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2076 { 2077 u16 adv_link_speed = 0; 2078 2079 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2080 100baseT_Full)) 2081 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2082 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2083 1000baseX_Full)) 2084 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2085 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2086 1000baseT_Full) || 2087 ethtool_link_ksettings_test_link_mode(ks, advertising, 2088 1000baseKX_Full)) 2089 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2090 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2091 2500baseT_Full)) 2092 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2093 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2094 2500baseX_Full)) 2095 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2096 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2097 5000baseT_Full)) 2098 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2099 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2100 10000baseT_Full) || 2101 ethtool_link_ksettings_test_link_mode(ks, advertising, 2102 10000baseKR_Full)) 2103 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2104 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2105 10000baseSR_Full) || 2106 ethtool_link_ksettings_test_link_mode(ks, advertising, 2107 10000baseLR_Full)) 2108 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2109 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2110 25000baseCR_Full) || 2111 ethtool_link_ksettings_test_link_mode(ks, advertising, 2112 25000baseSR_Full) || 2113 ethtool_link_ksettings_test_link_mode(ks, advertising, 2114 25000baseKR_Full)) 2115 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2116 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2117 40000baseCR4_Full) || 2118 ethtool_link_ksettings_test_link_mode(ks, advertising, 2119 40000baseSR4_Full) || 2120 ethtool_link_ksettings_test_link_mode(ks, advertising, 2121 40000baseLR4_Full) || 2122 ethtool_link_ksettings_test_link_mode(ks, advertising, 2123 40000baseKR4_Full)) 2124 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2125 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2126 50000baseCR2_Full) || 2127 ethtool_link_ksettings_test_link_mode(ks, advertising, 2128 50000baseKR2_Full)) 2129 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2130 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2131 50000baseSR2_Full)) 2132 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2133 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2134 100000baseCR4_Full) || 2135 ethtool_link_ksettings_test_link_mode(ks, advertising, 2136 100000baseSR4_Full) || 2137 ethtool_link_ksettings_test_link_mode(ks, advertising, 2138 100000baseLR4_ER4_Full) || 2139 ethtool_link_ksettings_test_link_mode(ks, advertising, 2140 100000baseKR4_Full)) 2141 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2142 2143 return adv_link_speed; 2144 } 2145 2146 /** 2147 * ice_setup_autoneg 2148 * @p: port info 2149 * @ks: ethtool_link_ksettings 2150 * @config: configuration that will be sent down to FW 2151 * @autoneg_enabled: autonegotiation is enabled or not 2152 * @autoneg_changed: will there a change in autonegotiation 2153 * @netdev: network interface device structure 2154 * 2155 * Setup PHY autonegotiation feature 2156 */ 2157 static int 2158 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2159 struct ice_aqc_set_phy_cfg_data *config, 2160 u8 autoneg_enabled, u8 *autoneg_changed, 2161 struct net_device *netdev) 2162 { 2163 int err = 0; 2164 2165 *autoneg_changed = 0; 2166 2167 /* Check autoneg */ 2168 if (autoneg_enabled == AUTONEG_ENABLE) { 2169 /* If autoneg was not already enabled */ 2170 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2171 /* If autoneg is not supported, return error */ 2172 if (!ethtool_link_ksettings_test_link_mode(ks, 2173 supported, 2174 Autoneg)) { 2175 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2176 err = -EINVAL; 2177 } else { 2178 /* Autoneg is allowed to change */ 2179 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2180 *autoneg_changed = 1; 2181 } 2182 } 2183 } else { 2184 /* If autoneg is currently enabled */ 2185 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2186 /* If autoneg is supported 10GBASE_T is the only PHY 2187 * that can disable it, so otherwise return error 2188 */ 2189 if (ethtool_link_ksettings_test_link_mode(ks, 2190 supported, 2191 Autoneg)) { 2192 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2193 err = -EINVAL; 2194 } else { 2195 /* Autoneg is allowed to change */ 2196 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2197 *autoneg_changed = 1; 2198 } 2199 } 2200 } 2201 2202 return err; 2203 } 2204 2205 /** 2206 * ice_set_link_ksettings - Set Speed and Duplex 2207 * @netdev: network interface device structure 2208 * @ks: ethtool ksettings 2209 * 2210 * Set speed/duplex per media_types advertised/forced 2211 */ 2212 static int 2213 ice_set_link_ksettings(struct net_device *netdev, 2214 const struct ethtool_link_ksettings *ks) 2215 { 2216 struct ice_netdev_priv *np = netdev_priv(netdev); 2217 struct ethtool_link_ksettings safe_ks, copy_ks; 2218 struct ice_aqc_get_phy_caps_data *abilities; 2219 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2220 u16 adv_link_speed, curr_link_speed, idx; 2221 struct ice_aqc_set_phy_cfg_data config; 2222 struct ice_pf *pf = np->vsi->back; 2223 struct ice_port_info *p; 2224 u8 autoneg_changed = 0; 2225 enum ice_status status; 2226 u64 phy_type_high = 0; 2227 u64 phy_type_low = 0; 2228 int err = 0; 2229 bool linkup; 2230 2231 p = np->vsi->port_info; 2232 2233 if (!p) 2234 return -EOPNOTSUPP; 2235 2236 /* Check if this is LAN VSI */ 2237 ice_for_each_vsi(pf, idx) 2238 if (pf->vsi[idx]->type == ICE_VSI_PF) { 2239 if (np->vsi != pf->vsi[idx]) 2240 return -EOPNOTSUPP; 2241 break; 2242 } 2243 2244 if (p->phy.media_type != ICE_MEDIA_BASET && 2245 p->phy.media_type != ICE_MEDIA_FIBER && 2246 p->phy.media_type != ICE_MEDIA_BACKPLANE && 2247 p->phy.media_type != ICE_MEDIA_DA && 2248 p->phy.link_info.link_info & ICE_AQ_LINK_UP) 2249 return -EOPNOTSUPP; 2250 2251 abilities = kzalloc(sizeof(*abilities), GFP_KERNEL); 2252 if (!abilities) 2253 return -ENOMEM; 2254 2255 /* Get the PHY capabilities based on media */ 2256 status = ice_aq_get_phy_caps(p, false, ICE_AQC_REPORT_TOPO_CAP, 2257 abilities, NULL); 2258 if (status) { 2259 err = -EAGAIN; 2260 goto done; 2261 } 2262 2263 /* copy the ksettings to copy_ks to avoid modifying the original */ 2264 memcpy(©_ks, ks, sizeof(copy_ks)); 2265 2266 /* save autoneg out of ksettings */ 2267 autoneg = copy_ks.base.autoneg; 2268 2269 memset(&safe_ks, 0, sizeof(safe_ks)); 2270 2271 /* Get link modes supported by hardware.*/ 2272 ice_phy_type_to_ethtool(netdev, &safe_ks); 2273 2274 /* and check against modes requested by user. 2275 * Return an error if unsupported mode was set. 2276 */ 2277 if (!bitmap_subset(copy_ks.link_modes.advertising, 2278 safe_ks.link_modes.supported, 2279 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2280 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2281 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2282 err = -EINVAL; 2283 goto done; 2284 } 2285 2286 /* get our own copy of the bits to check against */ 2287 memset(&safe_ks, 0, sizeof(safe_ks)); 2288 safe_ks.base.cmd = copy_ks.base.cmd; 2289 safe_ks.base.link_mode_masks_nwords = 2290 copy_ks.base.link_mode_masks_nwords; 2291 ice_get_link_ksettings(netdev, &safe_ks); 2292 2293 /* set autoneg back to what it currently is */ 2294 copy_ks.base.autoneg = safe_ks.base.autoneg; 2295 /* we don't compare the speed */ 2296 copy_ks.base.speed = safe_ks.base.speed; 2297 2298 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2299 * trying to set something that we do not support. 2300 */ 2301 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2302 err = -EOPNOTSUPP; 2303 goto done; 2304 } 2305 2306 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2307 timeout--; 2308 if (!timeout) { 2309 err = -EBUSY; 2310 goto done; 2311 } 2312 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2313 } 2314 2315 /* Copy the current user PHY configuration. The current user PHY 2316 * configuration is initialized during probe from PHY capabilities 2317 * software mode, and updated on set PHY configuration. 2318 */ 2319 memcpy(&config, &p->phy.curr_user_phy_cfg, sizeof(config)); 2320 2321 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2322 2323 /* Check autoneg */ 2324 err = ice_setup_autoneg(p, &safe_ks, &config, autoneg, &autoneg_changed, 2325 netdev); 2326 2327 if (err) 2328 goto done; 2329 2330 /* Call to get the current link speed */ 2331 p->phy.get_link_info = true; 2332 status = ice_get_link_status(p, &linkup); 2333 if (status) { 2334 err = -EAGAIN; 2335 goto done; 2336 } 2337 2338 curr_link_speed = p->phy.link_info.link_speed; 2339 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2340 2341 /* If speed didn't get set, set it to what it currently is. 2342 * This is needed because if advertise is 0 (as it is when autoneg 2343 * is disabled) then speed won't get set. 2344 */ 2345 if (!adv_link_speed) 2346 adv_link_speed = curr_link_speed; 2347 2348 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2349 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); 2350 2351 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2352 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2353 goto done; 2354 } 2355 2356 /* save the requested speeds */ 2357 p->phy.link_info.req_speeds = adv_link_speed; 2358 2359 /* set link and auto negotiation so changes take effect */ 2360 config.caps |= ICE_AQ_PHY_ENA_LINK; 2361 2362 /* check if there is a PHY type for the requested advertised speed */ 2363 if (!(phy_type_low || phy_type_high)) { 2364 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2365 err = -EAGAIN; 2366 goto done; 2367 } 2368 2369 /* intersect requested advertised speed PHY types with media PHY types 2370 * for set PHY configuration 2371 */ 2372 config.phy_type_high = cpu_to_le64(phy_type_high) & 2373 abilities->phy_type_high; 2374 config.phy_type_low = cpu_to_le64(phy_type_low) & 2375 abilities->phy_type_low; 2376 2377 if (!(config.phy_type_high || config.phy_type_low)) { 2378 /* If there is no intersection and lenient mode is enabled, then 2379 * intersect the requested advertised speed with NVM media type 2380 * PHY types. 2381 */ 2382 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2383 config.phy_type_high = cpu_to_le64(phy_type_high) & 2384 pf->nvm_phy_type_hi; 2385 config.phy_type_low = cpu_to_le64(phy_type_low) & 2386 pf->nvm_phy_type_lo; 2387 } else { 2388 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2389 err = -EAGAIN; 2390 goto done; 2391 } 2392 } 2393 2394 /* If link is up put link down */ 2395 if (p->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2396 /* Tell the OS link is going down, the link will go 2397 * back up when fw says it is ready asynchronously 2398 */ 2399 ice_print_link_msg(np->vsi, false); 2400 netif_carrier_off(netdev); 2401 netif_tx_stop_all_queues(netdev); 2402 } 2403 2404 /* make the aq call */ 2405 status = ice_aq_set_phy_cfg(&pf->hw, p, &config, NULL); 2406 if (status) { 2407 netdev_info(netdev, "Set phy config failed,\n"); 2408 err = -EAGAIN; 2409 goto done; 2410 } 2411 2412 /* Save speed request */ 2413 p->phy.curr_user_speed_req = adv_link_speed; 2414 done: 2415 kfree(abilities); 2416 clear_bit(__ICE_CFG_BUSY, pf->state); 2417 2418 return err; 2419 } 2420 2421 /** 2422 * ice_parse_hdrs - parses headers from RSS hash input 2423 * @nfc: ethtool rxnfc command 2424 * 2425 * This function parses the rxnfc command and returns intended 2426 * header types for RSS configuration 2427 */ 2428 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2429 { 2430 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2431 2432 switch (nfc->flow_type) { 2433 case TCP_V4_FLOW: 2434 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2435 break; 2436 case UDP_V4_FLOW: 2437 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2438 break; 2439 case SCTP_V4_FLOW: 2440 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2441 break; 2442 case TCP_V6_FLOW: 2443 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2444 break; 2445 case UDP_V6_FLOW: 2446 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2447 break; 2448 case SCTP_V6_FLOW: 2449 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2450 break; 2451 default: 2452 break; 2453 } 2454 return hdrs; 2455 } 2456 2457 #define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) 2458 #define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) 2459 #define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) 2460 #define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) 2461 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) 2462 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) 2463 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) 2464 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) 2465 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ 2466 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) 2467 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ 2468 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) 2469 2470 /** 2471 * ice_parse_hash_flds - parses hash fields from RSS hash input 2472 * @nfc: ethtool rxnfc command 2473 * 2474 * This function parses the rxnfc command and returns intended 2475 * hash fields for RSS configuration 2476 */ 2477 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) 2478 { 2479 u64 hfld = ICE_HASH_INVALID; 2480 2481 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2482 switch (nfc->flow_type) { 2483 case TCP_V4_FLOW: 2484 case UDP_V4_FLOW: 2485 case SCTP_V4_FLOW: 2486 if (nfc->data & RXH_IP_SRC) 2487 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2488 if (nfc->data & RXH_IP_DST) 2489 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2490 break; 2491 case TCP_V6_FLOW: 2492 case UDP_V6_FLOW: 2493 case SCTP_V6_FLOW: 2494 if (nfc->data & RXH_IP_SRC) 2495 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2496 if (nfc->data & RXH_IP_DST) 2497 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2498 break; 2499 default: 2500 break; 2501 } 2502 } 2503 2504 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2505 switch (nfc->flow_type) { 2506 case TCP_V4_FLOW: 2507 case TCP_V6_FLOW: 2508 if (nfc->data & RXH_L4_B_0_1) 2509 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2510 if (nfc->data & RXH_L4_B_2_3) 2511 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2512 break; 2513 case UDP_V4_FLOW: 2514 case UDP_V6_FLOW: 2515 if (nfc->data & RXH_L4_B_0_1) 2516 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2517 if (nfc->data & RXH_L4_B_2_3) 2518 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2519 break; 2520 case SCTP_V4_FLOW: 2521 case SCTP_V6_FLOW: 2522 if (nfc->data & RXH_L4_B_0_1) 2523 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2524 if (nfc->data & RXH_L4_B_2_3) 2525 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2526 break; 2527 default: 2528 break; 2529 } 2530 } 2531 2532 return hfld; 2533 } 2534 2535 /** 2536 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2537 * @vsi: the VSI being configured 2538 * @nfc: ethtool rxnfc command 2539 * 2540 * Returns Success if the flow input set is supported. 2541 */ 2542 static int 2543 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2544 { 2545 struct ice_pf *pf = vsi->back; 2546 enum ice_status status; 2547 struct device *dev; 2548 u64 hashed_flds; 2549 u32 hdrs; 2550 2551 dev = ice_pf_to_dev(pf); 2552 if (ice_is_safe_mode(pf)) { 2553 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2554 vsi->vsi_num); 2555 return -EINVAL; 2556 } 2557 2558 hashed_flds = ice_parse_hash_flds(nfc); 2559 if (hashed_flds == ICE_HASH_INVALID) { 2560 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2561 vsi->vsi_num); 2562 return -EINVAL; 2563 } 2564 2565 hdrs = ice_parse_hdrs(nfc); 2566 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2567 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2568 vsi->vsi_num); 2569 return -EINVAL; 2570 } 2571 2572 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); 2573 if (status) { 2574 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %s\n", 2575 vsi->vsi_num, ice_stat_str(status)); 2576 return -EINVAL; 2577 } 2578 2579 return 0; 2580 } 2581 2582 /** 2583 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2584 * @vsi: the VSI being configured 2585 * @nfc: ethtool rxnfc command 2586 */ 2587 static void 2588 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2589 { 2590 struct ice_pf *pf = vsi->back; 2591 struct device *dev; 2592 u64 hash_flds; 2593 u32 hdrs; 2594 2595 dev = ice_pf_to_dev(pf); 2596 2597 nfc->data = 0; 2598 if (ice_is_safe_mode(pf)) { 2599 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2600 vsi->vsi_num); 2601 return; 2602 } 2603 2604 hdrs = ice_parse_hdrs(nfc); 2605 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2606 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2607 vsi->vsi_num); 2608 return; 2609 } 2610 2611 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); 2612 if (hash_flds == ICE_HASH_INVALID) { 2613 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2614 vsi->vsi_num); 2615 return; 2616 } 2617 2618 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2619 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2620 nfc->data |= (u64)RXH_IP_SRC; 2621 2622 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2623 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2624 nfc->data |= (u64)RXH_IP_DST; 2625 2626 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2627 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2628 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2629 nfc->data |= (u64)RXH_L4_B_0_1; 2630 2631 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2632 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2633 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2634 nfc->data |= (u64)RXH_L4_B_2_3; 2635 } 2636 2637 /** 2638 * ice_set_rxnfc - command to set Rx flow rules. 2639 * @netdev: network interface device structure 2640 * @cmd: ethtool rxnfc command 2641 * 2642 * Returns 0 for success and negative values for errors 2643 */ 2644 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2645 { 2646 struct ice_netdev_priv *np = netdev_priv(netdev); 2647 struct ice_vsi *vsi = np->vsi; 2648 2649 switch (cmd->cmd) { 2650 case ETHTOOL_SRXCLSRLINS: 2651 return ice_add_fdir_ethtool(vsi, cmd); 2652 case ETHTOOL_SRXCLSRLDEL: 2653 return ice_del_fdir_ethtool(vsi, cmd); 2654 case ETHTOOL_SRXFH: 2655 return ice_set_rss_hash_opt(vsi, cmd); 2656 default: 2657 break; 2658 } 2659 return -EOPNOTSUPP; 2660 } 2661 2662 /** 2663 * ice_get_rxnfc - command to get Rx flow classification rules 2664 * @netdev: network interface device structure 2665 * @cmd: ethtool rxnfc command 2666 * @rule_locs: buffer to rturn Rx flow classification rules 2667 * 2668 * Returns Success if the command is supported. 2669 */ 2670 static int 2671 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2672 u32 __always_unused *rule_locs) 2673 { 2674 struct ice_netdev_priv *np = netdev_priv(netdev); 2675 struct ice_vsi *vsi = np->vsi; 2676 int ret = -EOPNOTSUPP; 2677 struct ice_hw *hw; 2678 2679 hw = &vsi->back->hw; 2680 2681 switch (cmd->cmd) { 2682 case ETHTOOL_GRXRINGS: 2683 cmd->data = vsi->rss_size; 2684 ret = 0; 2685 break; 2686 case ETHTOOL_GRXCLSRLCNT: 2687 cmd->rule_cnt = hw->fdir_active_fltr; 2688 /* report total rule count */ 2689 cmd->data = ice_get_fdir_cnt_all(hw); 2690 ret = 0; 2691 break; 2692 case ETHTOOL_GRXCLSRULE: 2693 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2694 break; 2695 case ETHTOOL_GRXCLSRLALL: 2696 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2697 break; 2698 case ETHTOOL_GRXFH: 2699 ice_get_rss_hash_opt(vsi, cmd); 2700 ret = 0; 2701 break; 2702 default: 2703 break; 2704 } 2705 2706 return ret; 2707 } 2708 2709 static void 2710 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2711 { 2712 struct ice_netdev_priv *np = netdev_priv(netdev); 2713 struct ice_vsi *vsi = np->vsi; 2714 2715 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2716 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2717 ring->rx_pending = vsi->rx_rings[0]->count; 2718 ring->tx_pending = vsi->tx_rings[0]->count; 2719 2720 /* Rx mini and jumbo rings are not supported */ 2721 ring->rx_mini_max_pending = 0; 2722 ring->rx_jumbo_max_pending = 0; 2723 ring->rx_mini_pending = 0; 2724 ring->rx_jumbo_pending = 0; 2725 } 2726 2727 static int 2728 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2729 { 2730 struct ice_ring *tx_rings = NULL, *rx_rings = NULL; 2731 struct ice_netdev_priv *np = netdev_priv(netdev); 2732 struct ice_ring *xdp_rings = NULL; 2733 struct ice_vsi *vsi = np->vsi; 2734 struct ice_pf *pf = vsi->back; 2735 int i, timeout = 50, err = 0; 2736 u16 new_rx_cnt, new_tx_cnt; 2737 2738 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2739 ring->tx_pending < ICE_MIN_NUM_DESC || 2740 ring->rx_pending > ICE_MAX_NUM_DESC || 2741 ring->rx_pending < ICE_MIN_NUM_DESC) { 2742 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2743 ring->tx_pending, ring->rx_pending, 2744 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2745 ICE_REQ_DESC_MULTIPLE); 2746 return -EINVAL; 2747 } 2748 2749 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2750 if (new_tx_cnt != ring->tx_pending) 2751 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2752 new_tx_cnt); 2753 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2754 if (new_rx_cnt != ring->rx_pending) 2755 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2756 new_rx_cnt); 2757 2758 /* if nothing to do return success */ 2759 if (new_tx_cnt == vsi->tx_rings[0]->count && 2760 new_rx_cnt == vsi->rx_rings[0]->count) { 2761 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2762 return 0; 2763 } 2764 2765 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2766 * disallow changing the number of descriptors -- regardless 2767 * if the netdev is running or not. 2768 */ 2769 if (ice_xsk_any_rx_ring_ena(vsi)) 2770 return -EBUSY; 2771 2772 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2773 timeout--; 2774 if (!timeout) 2775 return -EBUSY; 2776 usleep_range(1000, 2000); 2777 } 2778 2779 /* set for the next time the netdev is started */ 2780 if (!netif_running(vsi->netdev)) { 2781 for (i = 0; i < vsi->alloc_txq; i++) 2782 vsi->tx_rings[i]->count = new_tx_cnt; 2783 for (i = 0; i < vsi->alloc_rxq; i++) 2784 vsi->rx_rings[i]->count = new_rx_cnt; 2785 if (ice_is_xdp_ena_vsi(vsi)) 2786 for (i = 0; i < vsi->num_xdp_txq; i++) 2787 vsi->xdp_rings[i]->count = new_tx_cnt; 2788 vsi->num_tx_desc = (u16)new_tx_cnt; 2789 vsi->num_rx_desc = (u16)new_rx_cnt; 2790 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2791 goto done; 2792 } 2793 2794 if (new_tx_cnt == vsi->tx_rings[0]->count) 2795 goto process_rx; 2796 2797 /* alloc updated Tx resources */ 2798 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2799 vsi->tx_rings[0]->count, new_tx_cnt); 2800 2801 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2802 if (!tx_rings) { 2803 err = -ENOMEM; 2804 goto done; 2805 } 2806 2807 ice_for_each_txq(vsi, i) { 2808 /* clone ring and setup updated count */ 2809 tx_rings[i] = *vsi->tx_rings[i]; 2810 tx_rings[i].count = new_tx_cnt; 2811 tx_rings[i].desc = NULL; 2812 tx_rings[i].tx_buf = NULL; 2813 err = ice_setup_tx_ring(&tx_rings[i]); 2814 if (err) { 2815 while (i--) 2816 ice_clean_tx_ring(&tx_rings[i]); 2817 kfree(tx_rings); 2818 goto done; 2819 } 2820 } 2821 2822 if (!ice_is_xdp_ena_vsi(vsi)) 2823 goto process_rx; 2824 2825 /* alloc updated XDP resources */ 2826 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2827 vsi->xdp_rings[0]->count, new_tx_cnt); 2828 2829 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2830 if (!xdp_rings) { 2831 err = -ENOMEM; 2832 goto free_tx; 2833 } 2834 2835 for (i = 0; i < vsi->num_xdp_txq; i++) { 2836 /* clone ring and setup updated count */ 2837 xdp_rings[i] = *vsi->xdp_rings[i]; 2838 xdp_rings[i].count = new_tx_cnt; 2839 xdp_rings[i].desc = NULL; 2840 xdp_rings[i].tx_buf = NULL; 2841 err = ice_setup_tx_ring(&xdp_rings[i]); 2842 if (err) { 2843 while (i--) 2844 ice_clean_tx_ring(&xdp_rings[i]); 2845 kfree(xdp_rings); 2846 goto free_tx; 2847 } 2848 ice_set_ring_xdp(&xdp_rings[i]); 2849 } 2850 2851 process_rx: 2852 if (new_rx_cnt == vsi->rx_rings[0]->count) 2853 goto process_link; 2854 2855 /* alloc updated Rx resources */ 2856 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2857 vsi->rx_rings[0]->count, new_rx_cnt); 2858 2859 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2860 if (!rx_rings) { 2861 err = -ENOMEM; 2862 goto done; 2863 } 2864 2865 ice_for_each_rxq(vsi, i) { 2866 /* clone ring and setup updated count */ 2867 rx_rings[i] = *vsi->rx_rings[i]; 2868 rx_rings[i].count = new_rx_cnt; 2869 rx_rings[i].desc = NULL; 2870 rx_rings[i].rx_buf = NULL; 2871 /* this is to allow wr32 to have something to write to 2872 * during early allocation of Rx buffers 2873 */ 2874 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2875 2876 err = ice_setup_rx_ring(&rx_rings[i]); 2877 if (err) 2878 goto rx_unwind; 2879 2880 /* allocate Rx buffers */ 2881 err = ice_alloc_rx_bufs(&rx_rings[i], 2882 ICE_DESC_UNUSED(&rx_rings[i])); 2883 rx_unwind: 2884 if (err) { 2885 while (i) { 2886 i--; 2887 ice_free_rx_ring(&rx_rings[i]); 2888 } 2889 kfree(rx_rings); 2890 err = -ENOMEM; 2891 goto free_tx; 2892 } 2893 } 2894 2895 process_link: 2896 /* Bring interface down, copy in the new ring info, then restore the 2897 * interface. if VSI is up, bring it down and then back up 2898 */ 2899 if (!test_and_set_bit(__ICE_DOWN, vsi->state)) { 2900 ice_down(vsi); 2901 2902 if (tx_rings) { 2903 ice_for_each_txq(vsi, i) { 2904 ice_free_tx_ring(vsi->tx_rings[i]); 2905 *vsi->tx_rings[i] = tx_rings[i]; 2906 } 2907 kfree(tx_rings); 2908 } 2909 2910 if (rx_rings) { 2911 ice_for_each_rxq(vsi, i) { 2912 ice_free_rx_ring(vsi->rx_rings[i]); 2913 /* copy the real tail offset */ 2914 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2915 /* this is to fake out the allocation routine 2916 * into thinking it has to realloc everything 2917 * but the recycling logic will let us re-use 2918 * the buffers allocated above 2919 */ 2920 rx_rings[i].next_to_use = 0; 2921 rx_rings[i].next_to_clean = 0; 2922 rx_rings[i].next_to_alloc = 0; 2923 *vsi->rx_rings[i] = rx_rings[i]; 2924 } 2925 kfree(rx_rings); 2926 } 2927 2928 if (xdp_rings) { 2929 for (i = 0; i < vsi->num_xdp_txq; i++) { 2930 ice_free_tx_ring(vsi->xdp_rings[i]); 2931 *vsi->xdp_rings[i] = xdp_rings[i]; 2932 } 2933 kfree(xdp_rings); 2934 } 2935 2936 vsi->num_tx_desc = new_tx_cnt; 2937 vsi->num_rx_desc = new_rx_cnt; 2938 ice_up(vsi); 2939 } 2940 goto done; 2941 2942 free_tx: 2943 /* error cleanup if the Rx allocations failed after getting Tx */ 2944 if (tx_rings) { 2945 ice_for_each_txq(vsi, i) 2946 ice_free_tx_ring(&tx_rings[i]); 2947 kfree(tx_rings); 2948 } 2949 2950 done: 2951 clear_bit(__ICE_CFG_BUSY, pf->state); 2952 return err; 2953 } 2954 2955 /** 2956 * ice_get_pauseparam - Get Flow Control status 2957 * @netdev: network interface device structure 2958 * @pause: ethernet pause (flow control) parameters 2959 * 2960 * Get requested flow control status from PHY capability. 2961 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2962 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2963 * the negotiated Rx/Tx pause via lp_advertising. 2964 */ 2965 static void 2966 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2967 { 2968 struct ice_netdev_priv *np = netdev_priv(netdev); 2969 struct ice_port_info *pi = np->vsi->port_info; 2970 struct ice_aqc_get_phy_caps_data *pcaps; 2971 struct ice_dcbx_cfg *dcbx_cfg; 2972 enum ice_status status; 2973 2974 /* Initialize pause params */ 2975 pause->rx_pause = 0; 2976 pause->tx_pause = 0; 2977 2978 dcbx_cfg = &pi->local_dcbx_cfg; 2979 2980 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2981 if (!pcaps) 2982 return; 2983 2984 /* Get current PHY config */ 2985 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 2986 NULL); 2987 if (status) 2988 goto out; 2989 2990 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 2991 AUTONEG_DISABLE; 2992 2993 if (dcbx_cfg->pfc.pfcena) 2994 /* PFC enabled so report LFC as off */ 2995 goto out; 2996 2997 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 2998 pause->tx_pause = 1; 2999 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 3000 pause->rx_pause = 1; 3001 3002 out: 3003 kfree(pcaps); 3004 } 3005 3006 /** 3007 * ice_set_pauseparam - Set Flow Control parameter 3008 * @netdev: network interface device structure 3009 * @pause: return Tx/Rx flow control status 3010 */ 3011 static int 3012 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3013 { 3014 struct ice_netdev_priv *np = netdev_priv(netdev); 3015 struct ice_aqc_get_phy_caps_data *pcaps; 3016 struct ice_link_status *hw_link_info; 3017 struct ice_pf *pf = np->vsi->back; 3018 struct ice_dcbx_cfg *dcbx_cfg; 3019 struct ice_vsi *vsi = np->vsi; 3020 struct ice_hw *hw = &pf->hw; 3021 struct ice_port_info *pi; 3022 enum ice_status status; 3023 u8 aq_failures; 3024 bool link_up; 3025 int err = 0; 3026 u32 is_an; 3027 3028 pi = vsi->port_info; 3029 hw_link_info = &pi->phy.link_info; 3030 dcbx_cfg = &pi->local_dcbx_cfg; 3031 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3032 3033 /* Changing the port's flow control is not supported if this isn't the 3034 * PF VSI 3035 */ 3036 if (vsi->type != ICE_VSI_PF) { 3037 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3038 return -EOPNOTSUPP; 3039 } 3040 3041 /* Get pause param reports configured and negotiated flow control pause 3042 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3043 * defined get pause param pause->autoneg reports SW configured setting, 3044 * so compare pause->autoneg with SW configured to prevent the user from 3045 * using set pause param to chance autoneg. 3046 */ 3047 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3048 if (!pcaps) 3049 return -ENOMEM; 3050 3051 /* Get current PHY config */ 3052 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 3053 NULL); 3054 if (status) { 3055 kfree(pcaps); 3056 return -EIO; 3057 } 3058 3059 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3060 AUTONEG_DISABLE; 3061 3062 kfree(pcaps); 3063 3064 if (pause->autoneg != is_an) { 3065 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3066 return -EOPNOTSUPP; 3067 } 3068 3069 /* If we have link and don't have autoneg */ 3070 if (!test_bit(__ICE_DOWN, pf->state) && 3071 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3072 /* Send message that it might not necessarily work*/ 3073 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3074 } 3075 3076 if (dcbx_cfg->pfc.pfcena) { 3077 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3078 return -EOPNOTSUPP; 3079 } 3080 if (pause->rx_pause && pause->tx_pause) 3081 pi->fc.req_mode = ICE_FC_FULL; 3082 else if (pause->rx_pause && !pause->tx_pause) 3083 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3084 else if (!pause->rx_pause && pause->tx_pause) 3085 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3086 else if (!pause->rx_pause && !pause->tx_pause) 3087 pi->fc.req_mode = ICE_FC_NONE; 3088 else 3089 return -EINVAL; 3090 3091 /* Set the FC mode and only restart AN if link is up */ 3092 status = ice_set_fc(pi, &aq_failures, link_up); 3093 3094 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3095 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 3096 ice_stat_str(status), 3097 ice_aq_str(hw->adminq.sq_last_status)); 3098 err = -EAGAIN; 3099 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3100 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 3101 ice_stat_str(status), 3102 ice_aq_str(hw->adminq.sq_last_status)); 3103 err = -EAGAIN; 3104 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3105 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 3106 ice_stat_str(status), 3107 ice_aq_str(hw->adminq.sq_last_status)); 3108 err = -EAGAIN; 3109 } 3110 3111 return err; 3112 } 3113 3114 /** 3115 * ice_get_rxfh_key_size - get the RSS hash key size 3116 * @netdev: network interface device structure 3117 * 3118 * Returns the table size. 3119 */ 3120 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3121 { 3122 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3123 } 3124 3125 /** 3126 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3127 * @netdev: network interface device structure 3128 * 3129 * Returns the table size. 3130 */ 3131 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3132 { 3133 struct ice_netdev_priv *np = netdev_priv(netdev); 3134 3135 return np->vsi->rss_table_size; 3136 } 3137 3138 /** 3139 * ice_get_rxfh - get the Rx flow hash indirection table 3140 * @netdev: network interface device structure 3141 * @indir: indirection table 3142 * @key: hash key 3143 * @hfunc: hash function 3144 * 3145 * Reads the indirection table directly from the hardware. 3146 */ 3147 static int 3148 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3149 { 3150 struct ice_netdev_priv *np = netdev_priv(netdev); 3151 struct ice_vsi *vsi = np->vsi; 3152 struct ice_pf *pf = vsi->back; 3153 int ret = 0, i; 3154 u8 *lut; 3155 3156 if (hfunc) 3157 *hfunc = ETH_RSS_HASH_TOP; 3158 3159 if (!indir) 3160 return 0; 3161 3162 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3163 /* RSS not supported return error here */ 3164 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3165 return -EIO; 3166 } 3167 3168 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3169 if (!lut) 3170 return -ENOMEM; 3171 3172 if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) { 3173 ret = -EIO; 3174 goto out; 3175 } 3176 3177 for (i = 0; i < vsi->rss_table_size; i++) 3178 indir[i] = (u32)(lut[i]); 3179 3180 out: 3181 kfree(lut); 3182 return ret; 3183 } 3184 3185 /** 3186 * ice_set_rxfh - set the Rx flow hash indirection table 3187 * @netdev: network interface device structure 3188 * @indir: indirection table 3189 * @key: hash key 3190 * @hfunc: hash function 3191 * 3192 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3193 * returns 0 after programming the table. 3194 */ 3195 static int 3196 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3197 const u8 hfunc) 3198 { 3199 struct ice_netdev_priv *np = netdev_priv(netdev); 3200 struct ice_vsi *vsi = np->vsi; 3201 struct ice_pf *pf = vsi->back; 3202 struct device *dev; 3203 u8 *seed = NULL; 3204 3205 dev = ice_pf_to_dev(pf); 3206 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3207 return -EOPNOTSUPP; 3208 3209 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3210 /* RSS not supported return error here */ 3211 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3212 return -EIO; 3213 } 3214 3215 if (key) { 3216 if (!vsi->rss_hkey_user) { 3217 vsi->rss_hkey_user = 3218 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3219 GFP_KERNEL); 3220 if (!vsi->rss_hkey_user) 3221 return -ENOMEM; 3222 } 3223 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3224 seed = vsi->rss_hkey_user; 3225 } 3226 3227 if (!vsi->rss_lut_user) { 3228 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3229 GFP_KERNEL); 3230 if (!vsi->rss_lut_user) 3231 return -ENOMEM; 3232 } 3233 3234 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3235 if (indir) { 3236 int i; 3237 3238 for (i = 0; i < vsi->rss_table_size; i++) 3239 vsi->rss_lut_user[i] = (u8)(indir[i]); 3240 } else { 3241 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3242 vsi->rss_size); 3243 } 3244 3245 if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size)) 3246 return -EIO; 3247 3248 return 0; 3249 } 3250 3251 /** 3252 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3253 * @pf: PF structure 3254 */ 3255 static int ice_get_max_txq(struct ice_pf *pf) 3256 { 3257 return min_t(int, num_online_cpus(), 3258 pf->hw.func_caps.common_cap.num_txq); 3259 } 3260 3261 /** 3262 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3263 * @pf: PF structure 3264 */ 3265 static int ice_get_max_rxq(struct ice_pf *pf) 3266 { 3267 return min_t(int, num_online_cpus(), 3268 pf->hw.func_caps.common_cap.num_rxq); 3269 } 3270 3271 /** 3272 * ice_get_combined_cnt - return the current number of combined channels 3273 * @vsi: PF VSI pointer 3274 * 3275 * Go through all queue vectors and count ones that have both Rx and Tx ring 3276 * attached 3277 */ 3278 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3279 { 3280 u32 combined = 0; 3281 int q_idx; 3282 3283 ice_for_each_q_vector(vsi, q_idx) { 3284 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3285 3286 if (q_vector->rx.ring && q_vector->tx.ring) 3287 combined++; 3288 } 3289 3290 return combined; 3291 } 3292 3293 /** 3294 * ice_get_channels - get the current and max supported channels 3295 * @dev: network interface device structure 3296 * @ch: ethtool channel data structure 3297 */ 3298 static void 3299 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3300 { 3301 struct ice_netdev_priv *np = netdev_priv(dev); 3302 struct ice_vsi *vsi = np->vsi; 3303 struct ice_pf *pf = vsi->back; 3304 3305 /* report maximum channels */ 3306 ch->max_rx = ice_get_max_rxq(pf); 3307 ch->max_tx = ice_get_max_txq(pf); 3308 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3309 3310 /* report current channels */ 3311 ch->combined_count = ice_get_combined_cnt(vsi); 3312 ch->rx_count = vsi->num_rxq - ch->combined_count; 3313 ch->tx_count = vsi->num_txq - ch->combined_count; 3314 3315 /* report other queues */ 3316 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3317 ch->max_other = ch->other_count; 3318 } 3319 3320 /** 3321 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3322 * @vsi: VSI to reconfigure RSS LUT on 3323 * @req_rss_size: requested range of queue numbers for hashing 3324 * 3325 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3326 */ 3327 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3328 { 3329 struct ice_pf *pf = vsi->back; 3330 enum ice_status status; 3331 struct device *dev; 3332 struct ice_hw *hw; 3333 int err = 0; 3334 u8 *lut; 3335 3336 dev = ice_pf_to_dev(pf); 3337 hw = &pf->hw; 3338 3339 if (!req_rss_size) 3340 return -EINVAL; 3341 3342 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3343 if (!lut) 3344 return -ENOMEM; 3345 3346 /* set RSS LUT parameters */ 3347 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3348 vsi->rss_size = 1; 3349 } else { 3350 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3351 3352 vsi->rss_size = min_t(int, req_rss_size, 3353 BIT(caps->rss_table_entry_width)); 3354 } 3355 3356 /* create/set RSS LUT */ 3357 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3358 status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type, lut, 3359 vsi->rss_table_size); 3360 if (status) { 3361 dev_err(dev, "Cannot set RSS lut, err %s aq_err %s\n", 3362 ice_stat_str(status), 3363 ice_aq_str(hw->adminq.sq_last_status)); 3364 err = -EIO; 3365 } 3366 3367 kfree(lut); 3368 return err; 3369 } 3370 3371 /** 3372 * ice_set_channels - set the number channels 3373 * @dev: network interface device structure 3374 * @ch: ethtool channel data structure 3375 */ 3376 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3377 { 3378 struct ice_netdev_priv *np = netdev_priv(dev); 3379 struct ice_vsi *vsi = np->vsi; 3380 struct ice_pf *pf = vsi->back; 3381 int new_rx = 0, new_tx = 0; 3382 u32 curr_combined; 3383 3384 /* do not support changing channels in Safe Mode */ 3385 if (ice_is_safe_mode(pf)) { 3386 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3387 return -EOPNOTSUPP; 3388 } 3389 /* do not support changing other_count */ 3390 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3391 return -EINVAL; 3392 3393 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3394 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3395 return -EOPNOTSUPP; 3396 } 3397 3398 curr_combined = ice_get_combined_cnt(vsi); 3399 3400 /* these checks are for cases where user didn't specify a particular 3401 * value on cmd line but we get non-zero value anyway via 3402 * get_channels(); look at ethtool.c in ethtool repository (the user 3403 * space part), particularly, do_schannels() routine 3404 */ 3405 if (ch->rx_count == vsi->num_rxq - curr_combined) 3406 ch->rx_count = 0; 3407 if (ch->tx_count == vsi->num_txq - curr_combined) 3408 ch->tx_count = 0; 3409 if (ch->combined_count == curr_combined) 3410 ch->combined_count = 0; 3411 3412 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3413 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3414 return -EINVAL; 3415 } 3416 3417 new_rx = ch->combined_count + ch->rx_count; 3418 new_tx = ch->combined_count + ch->tx_count; 3419 3420 if (new_rx > ice_get_max_rxq(pf)) { 3421 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3422 ice_get_max_rxq(pf)); 3423 return -EINVAL; 3424 } 3425 if (new_tx > ice_get_max_txq(pf)) { 3426 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3427 ice_get_max_txq(pf)); 3428 return -EINVAL; 3429 } 3430 3431 ice_vsi_recfg_qs(vsi, new_rx, new_tx); 3432 3433 if (new_rx && !netif_is_rxfh_configured(dev)) 3434 return ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3435 3436 return 0; 3437 } 3438 3439 /** 3440 * ice_get_wol - get current Wake on LAN configuration 3441 * @netdev: network interface device structure 3442 * @wol: Ethtool structure to retrieve WoL settings 3443 */ 3444 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3445 { 3446 struct ice_netdev_priv *np = netdev_priv(netdev); 3447 struct ice_pf *pf = np->vsi->back; 3448 3449 if (np->vsi->type != ICE_VSI_PF) 3450 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3451 3452 /* Get WoL settings based on the HW capability */ 3453 if (ice_is_wol_supported(pf)) { 3454 wol->supported = WAKE_MAGIC; 3455 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3456 } else { 3457 wol->supported = 0; 3458 wol->wolopts = 0; 3459 } 3460 } 3461 3462 /** 3463 * ice_set_wol - set Wake on LAN on supported device 3464 * @netdev: network interface device structure 3465 * @wol: Ethtool structure to set WoL 3466 */ 3467 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3468 { 3469 struct ice_netdev_priv *np = netdev_priv(netdev); 3470 struct ice_vsi *vsi = np->vsi; 3471 struct ice_pf *pf = vsi->back; 3472 3473 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(pf)) 3474 return -EOPNOTSUPP; 3475 3476 /* only magic packet is supported */ 3477 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3478 return -EOPNOTSUPP; 3479 3480 /* Set WoL only if there is a new value */ 3481 if (pf->wol_ena != !!wol->wolopts) { 3482 pf->wol_ena = !!wol->wolopts; 3483 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3484 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3485 pf->wol_ena ? "en" : "dis"); 3486 } 3487 3488 return 0; 3489 } 3490 3491 enum ice_container_type { 3492 ICE_RX_CONTAINER, 3493 ICE_TX_CONTAINER, 3494 }; 3495 3496 /** 3497 * ice_get_rc_coalesce - get ITR values for specific ring container 3498 * @ec: ethtool structure to fill with driver's coalesce settings 3499 * @c_type: container type, Rx or Tx 3500 * @rc: ring container that the ITR values will come from 3501 * 3502 * Query the device for ice_ring_container specific ITR values. This is 3503 * done per ice_ring_container because each q_vector can have 1 or more rings 3504 * and all of said ring(s) will have the same ITR values. 3505 * 3506 * Returns 0 on success, negative otherwise. 3507 */ 3508 static int 3509 ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type, 3510 struct ice_ring_container *rc) 3511 { 3512 struct ice_pf *pf; 3513 3514 if (!rc->ring) 3515 return -EINVAL; 3516 3517 pf = rc->ring->vsi->back; 3518 3519 switch (c_type) { 3520 case ICE_RX_CONTAINER: 3521 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3522 ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3523 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl; 3524 break; 3525 case ICE_TX_CONTAINER: 3526 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3527 ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3528 break; 3529 default: 3530 dev_dbg(ice_pf_to_dev(pf), "Invalid c_type %d\n", c_type); 3531 return -EINVAL; 3532 } 3533 3534 return 0; 3535 } 3536 3537 /** 3538 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3539 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3540 * @ec: coalesce settings to program the device with 3541 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3542 * 3543 * Return 0 on success, and negative under the following conditions: 3544 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3545 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3546 */ 3547 static int 3548 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3549 { 3550 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3551 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3552 &vsi->rx_rings[q_num]->q_vector->rx)) 3553 return -EINVAL; 3554 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3555 &vsi->tx_rings[q_num]->q_vector->tx)) 3556 return -EINVAL; 3557 } else if (q_num < vsi->num_rxq) { 3558 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3559 &vsi->rx_rings[q_num]->q_vector->rx)) 3560 return -EINVAL; 3561 } else if (q_num < vsi->num_txq) { 3562 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3563 &vsi->tx_rings[q_num]->q_vector->tx)) 3564 return -EINVAL; 3565 } else { 3566 return -EINVAL; 3567 } 3568 3569 return 0; 3570 } 3571 3572 /** 3573 * __ice_get_coalesce - get ITR/INTRL values for the device 3574 * @netdev: pointer to the netdev associated with this query 3575 * @ec: ethtool structure to fill with driver's coalesce settings 3576 * @q_num: queue number to get the coalesce settings for 3577 * 3578 * If the caller passes in a negative q_num then we return coalesce settings 3579 * based on queue number 0, else use the actual q_num passed in. 3580 */ 3581 static int 3582 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3583 int q_num) 3584 { 3585 struct ice_netdev_priv *np = netdev_priv(netdev); 3586 struct ice_vsi *vsi = np->vsi; 3587 3588 if (q_num < 0) 3589 q_num = 0; 3590 3591 if (ice_get_q_coalesce(vsi, ec, q_num)) 3592 return -EINVAL; 3593 3594 return 0; 3595 } 3596 3597 static int 3598 ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3599 { 3600 return __ice_get_coalesce(netdev, ec, -1); 3601 } 3602 3603 static int 3604 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3605 struct ethtool_coalesce *ec) 3606 { 3607 return __ice_get_coalesce(netdev, ec, q_num); 3608 } 3609 3610 /** 3611 * ice_set_rc_coalesce - set ITR values for specific ring container 3612 * @c_type: container type, Rx or Tx 3613 * @ec: ethtool structure from user to update ITR settings 3614 * @rc: ring container that the ITR values will come from 3615 * @vsi: VSI associated to the ring container 3616 * 3617 * Set specific ITR values. This is done per ice_ring_container because each 3618 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3619 * ITR values. 3620 * 3621 * Returns 0 on success, negative otherwise. 3622 */ 3623 static int 3624 ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, 3625 struct ice_ring_container *rc, struct ice_vsi *vsi) 3626 { 3627 const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3628 u32 use_adaptive_coalesce, coalesce_usecs; 3629 struct ice_pf *pf = vsi->back; 3630 u16 itr_setting; 3631 3632 if (!rc->ring) 3633 return -EINVAL; 3634 3635 switch (c_type) { 3636 case ICE_RX_CONTAINER: 3637 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3638 (ec->rx_coalesce_usecs_high && 3639 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3640 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3641 c_type_str, pf->hw.intrl_gran, 3642 ICE_MAX_INTRL); 3643 return -EINVAL; 3644 } 3645 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) { 3646 rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high; 3647 wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx), 3648 ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high, 3649 pf->hw.intrl_gran)); 3650 } 3651 3652 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3653 coalesce_usecs = ec->rx_coalesce_usecs; 3654 3655 break; 3656 case ICE_TX_CONTAINER: 3657 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3658 coalesce_usecs = ec->tx_coalesce_usecs; 3659 3660 break; 3661 default: 3662 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3663 c_type); 3664 return -EINVAL; 3665 } 3666 3667 itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3668 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3669 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3670 c_type_str, c_type_str); 3671 return -EINVAL; 3672 } 3673 3674 if (coalesce_usecs > ICE_ITR_MAX) { 3675 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3676 c_type_str, ICE_ITR_MAX); 3677 return -EINVAL; 3678 } 3679 3680 if (use_adaptive_coalesce) { 3681 rc->itr_setting |= ICE_ITR_DYNAMIC; 3682 } else { 3683 /* save the user set usecs */ 3684 rc->itr_setting = coalesce_usecs; 3685 /* device ITR granularity is in 2 usec increments */ 3686 rc->target_itr = ITR_REG_ALIGN(rc->itr_setting); 3687 } 3688 3689 return 0; 3690 } 3691 3692 /** 3693 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3694 * @vsi: VSI associated to the queue that need updating 3695 * @ec: coalesce settings to program the device with 3696 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3697 * 3698 * Return 0 on success, and negative under the following conditions: 3699 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3700 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3701 */ 3702 static int 3703 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3704 { 3705 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3706 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3707 &vsi->rx_rings[q_num]->q_vector->rx, 3708 vsi)) 3709 return -EINVAL; 3710 3711 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3712 &vsi->tx_rings[q_num]->q_vector->tx, 3713 vsi)) 3714 return -EINVAL; 3715 } else if (q_num < vsi->num_rxq) { 3716 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3717 &vsi->rx_rings[q_num]->q_vector->rx, 3718 vsi)) 3719 return -EINVAL; 3720 } else if (q_num < vsi->num_txq) { 3721 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3722 &vsi->tx_rings[q_num]->q_vector->tx, 3723 vsi)) 3724 return -EINVAL; 3725 } else { 3726 return -EINVAL; 3727 } 3728 3729 return 0; 3730 } 3731 3732 /** 3733 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3734 * @netdev: netdev used for print 3735 * @itr_setting: previous user setting 3736 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3737 * @coalesce_usecs: requested value of [tx|rx]-usecs 3738 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3739 */ 3740 static void 3741 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3742 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3743 const char *c_type_str) 3744 { 3745 if (use_adaptive_coalesce) 3746 return; 3747 3748 itr_setting = ITR_TO_REG(itr_setting); 3749 3750 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3751 netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n", 3752 c_type_str, coalesce_usecs, c_type_str, 3753 ITR_REG_ALIGN(coalesce_usecs)); 3754 } 3755 3756 /** 3757 * __ice_set_coalesce - set ITR/INTRL values for the device 3758 * @netdev: pointer to the netdev associated with this query 3759 * @ec: ethtool structure to fill with driver's coalesce settings 3760 * @q_num: queue number to get the coalesce settings for 3761 * 3762 * If the caller passes in a negative q_num then we set the coalesce settings 3763 * for all Tx/Rx queues, else use the actual q_num passed in. 3764 */ 3765 static int 3766 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3767 int q_num) 3768 { 3769 struct ice_netdev_priv *np = netdev_priv(netdev); 3770 struct ice_vsi *vsi = np->vsi; 3771 3772 if (q_num < 0) { 3773 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3774 int v_idx; 3775 3776 if (q_vector) { 3777 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3778 ec->use_adaptive_rx_coalesce, 3779 ec->rx_coalesce_usecs, "rx"); 3780 3781 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3782 ec->use_adaptive_tx_coalesce, 3783 ec->tx_coalesce_usecs, "tx"); 3784 } 3785 3786 ice_for_each_q_vector(vsi, v_idx) { 3787 /* In some cases if DCB is configured the num_[rx|tx]q 3788 * can be less than vsi->num_q_vectors. This check 3789 * accounts for that so we don't report a false failure 3790 */ 3791 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3792 goto set_complete; 3793 3794 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3795 return -EINVAL; 3796 } 3797 goto set_complete; 3798 } 3799 3800 if (ice_set_q_coalesce(vsi, ec, q_num)) 3801 return -EINVAL; 3802 3803 set_complete: 3804 3805 return 0; 3806 } 3807 3808 static int 3809 ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3810 { 3811 return __ice_set_coalesce(netdev, ec, -1); 3812 } 3813 3814 static int 3815 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3816 struct ethtool_coalesce *ec) 3817 { 3818 return __ice_set_coalesce(netdev, ec, q_num); 3819 } 3820 3821 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 3822 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 3823 #define ICE_MODULE_TYPE_SFP 0x03 3824 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 3825 #define ICE_MODULE_TYPE_QSFP28 0x11 3826 #define ICE_MODULE_SFF_ADDR_MODE 0x04 3827 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 3828 #define ICE_MODULE_REVISION_ADDR 0x01 3829 #define ICE_MODULE_SFF_8472_COMP 0x5E 3830 #define ICE_MODULE_SFF_8472_SWAP 0x5C 3831 #define ICE_MODULE_QSFP_MAX_LEN 640 3832 3833 /** 3834 * ice_get_module_info - get SFF module type and revision information 3835 * @netdev: network interface device structure 3836 * @modinfo: module EEPROM size and layout information structure 3837 */ 3838 static int 3839 ice_get_module_info(struct net_device *netdev, 3840 struct ethtool_modinfo *modinfo) 3841 { 3842 struct ice_netdev_priv *np = netdev_priv(netdev); 3843 struct ice_vsi *vsi = np->vsi; 3844 struct ice_pf *pf = vsi->back; 3845 struct ice_hw *hw = &pf->hw; 3846 enum ice_status status; 3847 u8 sff8472_comp = 0; 3848 u8 sff8472_swap = 0; 3849 u8 sff8636_rev = 0; 3850 u8 value = 0; 3851 3852 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 3853 0, &value, 1, 0, NULL); 3854 if (status) 3855 return -EIO; 3856 3857 switch (value) { 3858 case ICE_MODULE_TYPE_SFP: 3859 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3860 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 3861 &sff8472_comp, 1, 0, NULL); 3862 if (status) 3863 return -EIO; 3864 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3865 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 3866 &sff8472_swap, 1, 0, NULL); 3867 if (status) 3868 return -EIO; 3869 3870 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 3871 modinfo->type = ETH_MODULE_SFF_8079; 3872 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3873 } else if (sff8472_comp && 3874 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 3875 modinfo->type = ETH_MODULE_SFF_8472; 3876 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 3877 } else { 3878 modinfo->type = ETH_MODULE_SFF_8079; 3879 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3880 } 3881 break; 3882 case ICE_MODULE_TYPE_QSFP_PLUS: 3883 case ICE_MODULE_TYPE_QSFP28: 3884 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3885 ICE_MODULE_REVISION_ADDR, 0x00, 0, 3886 &sff8636_rev, 1, 0, NULL); 3887 if (status) 3888 return -EIO; 3889 /* Check revision compliance */ 3890 if (sff8636_rev > 0x02) { 3891 /* Module is SFF-8636 compliant */ 3892 modinfo->type = ETH_MODULE_SFF_8636; 3893 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3894 } else { 3895 modinfo->type = ETH_MODULE_SFF_8436; 3896 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3897 } 3898 break; 3899 default: 3900 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 3901 return -EINVAL; 3902 } 3903 return 0; 3904 } 3905 3906 /** 3907 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 3908 * @netdev: network interface device structure 3909 * @ee: EEPROM dump request structure 3910 * @data: buffer to be filled with EEPROM contents 3911 */ 3912 static int 3913 ice_get_module_eeprom(struct net_device *netdev, 3914 struct ethtool_eeprom *ee, u8 *data) 3915 { 3916 struct ice_netdev_priv *np = netdev_priv(netdev); 3917 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 3918 struct ice_vsi *vsi = np->vsi; 3919 struct ice_pf *pf = vsi->back; 3920 struct ice_hw *hw = &pf->hw; 3921 enum ice_status status; 3922 bool is_sfp = false; 3923 unsigned int i; 3924 u16 offset = 0; 3925 u8 value = 0; 3926 u8 page = 0; 3927 3928 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, 3929 &value, 1, 0, NULL); 3930 if (status) 3931 return -EIO; 3932 3933 if (!ee || !ee->len || !data) 3934 return -EINVAL; 3935 3936 if (value == ICE_MODULE_TYPE_SFP) 3937 is_sfp = true; 3938 3939 for (i = 0; i < ee->len; i++) { 3940 offset = i + ee->offset; 3941 3942 /* Check if we need to access the other memory page */ 3943 if (is_sfp) { 3944 if (offset >= ETH_MODULE_SFF_8079_LEN) { 3945 offset -= ETH_MODULE_SFF_8079_LEN; 3946 addr = ICE_I2C_EEPROM_DEV_ADDR2; 3947 } 3948 } else { 3949 while (offset >= ETH_MODULE_SFF_8436_LEN) { 3950 /* Compute memory page number and offset. */ 3951 offset -= ETH_MODULE_SFF_8436_LEN / 2; 3952 page++; 3953 } 3954 } 3955 3956 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, !is_sfp, 3957 &value, 1, 0, NULL); 3958 if (status) 3959 value = 0; 3960 data[i] = value; 3961 } 3962 return 0; 3963 } 3964 3965 static const struct ethtool_ops ice_ethtool_ops = { 3966 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 3967 ETHTOOL_COALESCE_USE_ADAPTIVE | 3968 ETHTOOL_COALESCE_RX_USECS_HIGH, 3969 .get_link_ksettings = ice_get_link_ksettings, 3970 .set_link_ksettings = ice_set_link_ksettings, 3971 .get_drvinfo = ice_get_drvinfo, 3972 .get_regs_len = ice_get_regs_len, 3973 .get_regs = ice_get_regs, 3974 .get_wol = ice_get_wol, 3975 .set_wol = ice_set_wol, 3976 .get_msglevel = ice_get_msglevel, 3977 .set_msglevel = ice_set_msglevel, 3978 .self_test = ice_self_test, 3979 .get_link = ethtool_op_get_link, 3980 .get_eeprom_len = ice_get_eeprom_len, 3981 .get_eeprom = ice_get_eeprom, 3982 .get_coalesce = ice_get_coalesce, 3983 .set_coalesce = ice_set_coalesce, 3984 .get_strings = ice_get_strings, 3985 .set_phys_id = ice_set_phys_id, 3986 .get_ethtool_stats = ice_get_ethtool_stats, 3987 .get_priv_flags = ice_get_priv_flags, 3988 .set_priv_flags = ice_set_priv_flags, 3989 .get_sset_count = ice_get_sset_count, 3990 .get_rxnfc = ice_get_rxnfc, 3991 .set_rxnfc = ice_set_rxnfc, 3992 .get_ringparam = ice_get_ringparam, 3993 .set_ringparam = ice_set_ringparam, 3994 .nway_reset = ice_nway_reset, 3995 .get_pauseparam = ice_get_pauseparam, 3996 .set_pauseparam = ice_set_pauseparam, 3997 .get_rxfh_key_size = ice_get_rxfh_key_size, 3998 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 3999 .get_rxfh = ice_get_rxfh, 4000 .set_rxfh = ice_set_rxfh, 4001 .get_channels = ice_get_channels, 4002 .set_channels = ice_set_channels, 4003 .get_ts_info = ethtool_op_get_ts_info, 4004 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4005 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4006 .get_fecparam = ice_get_fecparam, 4007 .set_fecparam = ice_set_fecparam, 4008 .get_module_info = ice_get_module_info, 4009 .get_module_eeprom = ice_get_module_eeprom, 4010 }; 4011 4012 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4013 .get_link_ksettings = ice_get_link_ksettings, 4014 .set_link_ksettings = ice_set_link_ksettings, 4015 .get_drvinfo = ice_get_drvinfo, 4016 .get_regs_len = ice_get_regs_len, 4017 .get_regs = ice_get_regs, 4018 .get_wol = ice_get_wol, 4019 .set_wol = ice_set_wol, 4020 .get_msglevel = ice_get_msglevel, 4021 .set_msglevel = ice_set_msglevel, 4022 .get_link = ethtool_op_get_link, 4023 .get_eeprom_len = ice_get_eeprom_len, 4024 .get_eeprom = ice_get_eeprom, 4025 .get_strings = ice_get_strings, 4026 .get_ethtool_stats = ice_get_ethtool_stats, 4027 .get_sset_count = ice_get_sset_count, 4028 .get_ringparam = ice_get_ringparam, 4029 .set_ringparam = ice_set_ringparam, 4030 .nway_reset = ice_nway_reset, 4031 .get_channels = ice_get_channels, 4032 }; 4033 4034 /** 4035 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4036 * @netdev: network interface device structure 4037 */ 4038 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4039 { 4040 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4041 } 4042 4043 /** 4044 * ice_set_ethtool_ops - setup netdev ethtool ops 4045 * @netdev: network interface device structure 4046 * 4047 * setup netdev ethtool ops with ice specific ops 4048 */ 4049 void ice_set_ethtool_ops(struct net_device *netdev) 4050 { 4051 netdev->ethtool_ops = &ice_ethtool_ops; 4052 } 4053