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 #include <net/dcbnl.h> 12 13 struct ice_stats { 14 char stat_string[ETH_GSTRING_LEN]; 15 int sizeof_stat; 16 int stat_offset; 17 }; 18 19 #define ICE_STAT(_type, _name, _stat) { \ 20 .stat_string = _name, \ 21 .sizeof_stat = sizeof_field(_type, _stat), \ 22 .stat_offset = offsetof(_type, _stat) \ 23 } 24 25 #define ICE_VSI_STAT(_name, _stat) \ 26 ICE_STAT(struct ice_vsi, _name, _stat) 27 #define ICE_PF_STAT(_name, _stat) \ 28 ICE_STAT(struct ice_pf, _name, _stat) 29 30 static int ice_q_stats_len(struct net_device *netdev) 31 { 32 struct ice_netdev_priv *np = netdev_priv(netdev); 33 34 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 35 (sizeof(struct ice_q_stats) / sizeof(u64))); 36 } 37 38 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 39 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 40 41 #define ICE_PFC_STATS_LEN ( \ 42 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \ 43 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \ 44 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \ 45 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \ 46 / sizeof(u64)) 47 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 48 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 49 50 static const struct ice_stats ice_gstrings_vsi_stats[] = { 51 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 52 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 53 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 54 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 55 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 56 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 57 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 58 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 59 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 60 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 61 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 62 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 63 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 64 ICE_VSI_STAT("tx_linearize", tx_linearize), 65 ICE_VSI_STAT("tx_busy", tx_busy), 66 ICE_VSI_STAT("tx_restart", tx_restart), 67 }; 68 69 enum ice_ethtool_test_id { 70 ICE_ETH_TEST_REG = 0, 71 ICE_ETH_TEST_EEPROM, 72 ICE_ETH_TEST_INTR, 73 ICE_ETH_TEST_LOOP, 74 ICE_ETH_TEST_LINK, 75 }; 76 77 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 78 "Register test (offline)", 79 "EEPROM test (offline)", 80 "Interrupt test (offline)", 81 "Loopback test (offline)", 82 "Link test (on/offline)", 83 }; 84 85 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 86 87 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 88 * but they aren't. This device is capable of supporting multiple 89 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 90 * netdevs whereas the PF_STATs are for the physical function that's 91 * hosting these netdevs. 92 * 93 * The PF_STATs are appended to the netdev stats only when ethtool -S 94 * is queried on the base PF netdev. 95 */ 96 static const struct ice_stats ice_gstrings_pf_stats[] = { 97 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 98 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 99 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 100 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 101 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 102 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 103 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 104 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 105 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 106 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count), 107 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 108 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 109 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 110 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 111 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 112 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 113 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 114 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 115 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 116 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 117 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 118 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 119 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 120 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 121 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 122 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 123 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 124 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 125 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 126 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 127 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 128 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 129 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 130 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 131 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors), 132 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 133 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 134 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 135 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 136 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 137 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), 138 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), 139 }; 140 141 static const u32 ice_regs_dump_list[] = { 142 PFGEN_STATE, 143 PRTGEN_STATUS, 144 QRX_CTRL(0), 145 QINT_TQCTL(0), 146 QINT_RQCTL(0), 147 PFINT_OICR_ENA, 148 QRX_ITR(0), 149 }; 150 151 struct ice_priv_flag { 152 char name[ETH_GSTRING_LEN]; 153 u32 bitno; /* bit position in pf->flags */ 154 }; 155 156 #define ICE_PRIV_FLAG(_name, _bitno) { \ 157 .name = _name, \ 158 .bitno = _bitno, \ 159 } 160 161 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 162 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 163 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 164 ICE_PRIV_FLAG("vf-true-promisc-support", 165 ICE_FLAG_VF_TRUE_PROMISC_ENA), 166 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 167 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), 168 }; 169 170 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 171 172 static void 173 __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo, 174 struct ice_vsi *vsi) 175 { 176 struct ice_pf *pf = vsi->back; 177 struct ice_hw *hw = &pf->hw; 178 struct ice_orom_info *orom; 179 struct ice_nvm_info *nvm; 180 181 nvm = &hw->flash.nvm; 182 orom = &hw->flash.orom; 183 184 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 185 186 /* Display NVM version (from which the firmware version can be 187 * determined) which contains more pertinent information. 188 */ 189 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 190 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor, 191 nvm->eetrack, orom->major, orom->build, orom->patch); 192 193 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 194 sizeof(drvinfo->bus_info)); 195 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 196 } 197 198 static void 199 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 200 { 201 struct ice_netdev_priv *np = netdev_priv(netdev); 202 203 __ice_get_drvinfo(netdev, drvinfo, np->vsi); 204 } 205 206 static void 207 ice_repr_get_drvinfo(struct net_device *netdev, 208 struct ethtool_drvinfo *drvinfo) 209 { 210 struct ice_repr *repr = ice_netdev_to_repr(netdev); 211 212 if (ice_check_vf_ready_for_cfg(repr->vf)) 213 return; 214 215 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi); 216 } 217 218 static int ice_get_regs_len(struct net_device __always_unused *netdev) 219 { 220 return sizeof(ice_regs_dump_list); 221 } 222 223 static void 224 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 225 { 226 struct ice_netdev_priv *np = netdev_priv(netdev); 227 struct ice_pf *pf = np->vsi->back; 228 struct ice_hw *hw = &pf->hw; 229 u32 *regs_buf = (u32 *)p; 230 unsigned int i; 231 232 regs->version = 1; 233 234 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 235 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 236 } 237 238 static u32 ice_get_msglevel(struct net_device *netdev) 239 { 240 struct ice_netdev_priv *np = netdev_priv(netdev); 241 struct ice_pf *pf = np->vsi->back; 242 243 #ifndef CONFIG_DYNAMIC_DEBUG 244 if (pf->hw.debug_mask) 245 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 246 pf->hw.debug_mask); 247 #endif /* !CONFIG_DYNAMIC_DEBUG */ 248 249 return pf->msg_enable; 250 } 251 252 static void ice_set_msglevel(struct net_device *netdev, u32 data) 253 { 254 struct ice_netdev_priv *np = netdev_priv(netdev); 255 struct ice_pf *pf = np->vsi->back; 256 257 #ifndef CONFIG_DYNAMIC_DEBUG 258 if (ICE_DBG_USER & data) 259 pf->hw.debug_mask = data; 260 else 261 pf->msg_enable = data; 262 #else 263 pf->msg_enable = data; 264 #endif /* !CONFIG_DYNAMIC_DEBUG */ 265 } 266 267 static int ice_get_eeprom_len(struct net_device *netdev) 268 { 269 struct ice_netdev_priv *np = netdev_priv(netdev); 270 struct ice_pf *pf = np->vsi->back; 271 272 return (int)pf->hw.flash.flash_size; 273 } 274 275 static int 276 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 277 u8 *bytes) 278 { 279 struct ice_netdev_priv *np = netdev_priv(netdev); 280 struct ice_vsi *vsi = np->vsi; 281 struct ice_pf *pf = vsi->back; 282 struct ice_hw *hw = &pf->hw; 283 enum ice_status status; 284 struct device *dev; 285 int ret = 0; 286 u8 *buf; 287 288 dev = ice_pf_to_dev(pf); 289 290 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 291 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 292 eeprom->cmd, eeprom->offset, eeprom->len); 293 294 buf = kzalloc(eeprom->len, GFP_KERNEL); 295 if (!buf) 296 return -ENOMEM; 297 298 status = ice_acquire_nvm(hw, ICE_RES_READ); 299 if (status) { 300 dev_err(dev, "ice_acquire_nvm failed, err %s aq_err %s\n", 301 ice_stat_str(status), 302 ice_aq_str(hw->adminq.sq_last_status)); 303 ret = -EIO; 304 goto out; 305 } 306 307 status = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 308 false); 309 if (status) { 310 dev_err(dev, "ice_read_flat_nvm failed, err %s aq_err %s\n", 311 ice_stat_str(status), 312 ice_aq_str(hw->adminq.sq_last_status)); 313 ret = -EIO; 314 goto release; 315 } 316 317 memcpy(bytes, buf, eeprom->len); 318 release: 319 ice_release_nvm(hw); 320 out: 321 kfree(buf); 322 return ret; 323 } 324 325 /** 326 * ice_active_vfs - check if there are any active VFs 327 * @pf: board private structure 328 * 329 * Returns true if an active VF is found, otherwise returns false 330 */ 331 static bool ice_active_vfs(struct ice_pf *pf) 332 { 333 unsigned int i; 334 335 ice_for_each_vf(pf, i) { 336 struct ice_vf *vf = &pf->vf[i]; 337 338 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) 339 return true; 340 } 341 342 return false; 343 } 344 345 /** 346 * ice_link_test - perform a link test on a given net_device 347 * @netdev: network interface device structure 348 * 349 * This function performs one of the self-tests required by ethtool. 350 * Returns 0 on success, non-zero on failure. 351 */ 352 static u64 ice_link_test(struct net_device *netdev) 353 { 354 struct ice_netdev_priv *np = netdev_priv(netdev); 355 enum ice_status status; 356 bool link_up = false; 357 358 netdev_info(netdev, "link test\n"); 359 status = ice_get_link_status(np->vsi->port_info, &link_up); 360 if (status) { 361 netdev_err(netdev, "link query error, status = %s\n", 362 ice_stat_str(status)); 363 return 1; 364 } 365 366 if (!link_up) 367 return 2; 368 369 return 0; 370 } 371 372 /** 373 * ice_eeprom_test - perform an EEPROM test on a given net_device 374 * @netdev: network interface device structure 375 * 376 * This function performs one of the self-tests required by ethtool. 377 * Returns 0 on success, non-zero on failure. 378 */ 379 static u64 ice_eeprom_test(struct net_device *netdev) 380 { 381 struct ice_netdev_priv *np = netdev_priv(netdev); 382 struct ice_pf *pf = np->vsi->back; 383 384 netdev_info(netdev, "EEPROM test\n"); 385 return !!(ice_nvm_validate_checksum(&pf->hw)); 386 } 387 388 /** 389 * ice_reg_pattern_test 390 * @hw: pointer to the HW struct 391 * @reg: reg to be tested 392 * @mask: bits to be touched 393 */ 394 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 395 { 396 struct ice_pf *pf = (struct ice_pf *)hw->back; 397 struct device *dev = ice_pf_to_dev(pf); 398 static const u32 patterns[] = { 399 0x5A5A5A5A, 0xA5A5A5A5, 400 0x00000000, 0xFFFFFFFF 401 }; 402 u32 val, orig_val; 403 unsigned int i; 404 405 orig_val = rd32(hw, reg); 406 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 407 u32 pattern = patterns[i] & mask; 408 409 wr32(hw, reg, pattern); 410 val = rd32(hw, reg); 411 if (val == pattern) 412 continue; 413 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 414 , __func__, reg, pattern, val); 415 return 1; 416 } 417 418 wr32(hw, reg, orig_val); 419 val = rd32(hw, reg); 420 if (val != orig_val) { 421 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 422 , __func__, reg, orig_val, val); 423 return 1; 424 } 425 426 return 0; 427 } 428 429 /** 430 * ice_reg_test - perform a register test on a given net_device 431 * @netdev: network interface device structure 432 * 433 * This function performs one of the self-tests required by ethtool. 434 * Returns 0 on success, non-zero on failure. 435 */ 436 static u64 ice_reg_test(struct net_device *netdev) 437 { 438 struct ice_netdev_priv *np = netdev_priv(netdev); 439 struct ice_hw *hw = np->vsi->port_info->hw; 440 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 441 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 442 struct ice_diag_reg_test_info { 443 u32 address; 444 u32 mask; 445 u32 elem_num; 446 u32 elem_size; 447 } ice_reg_list[] = { 448 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 449 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 450 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 451 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 452 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 453 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 454 {GLINT_CTL, 0xffff0001, 1, 0} 455 }; 456 unsigned int i; 457 458 netdev_dbg(netdev, "Register test\n"); 459 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 460 u32 j; 461 462 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 463 u32 mask = ice_reg_list[i].mask; 464 u32 reg = ice_reg_list[i].address + 465 (j * ice_reg_list[i].elem_size); 466 467 /* bail on failure (non-zero return) */ 468 if (ice_reg_pattern_test(hw, reg, mask)) 469 return 1; 470 } 471 } 472 473 return 0; 474 } 475 476 /** 477 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 478 * @vsi: pointer to the VSI structure 479 * 480 * Function configures rings of a VSI for loopback test without 481 * enabling interrupts or informing the kernel about new queues. 482 * 483 * Returns 0 on success, negative on failure. 484 */ 485 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 486 { 487 int status; 488 489 status = ice_vsi_setup_tx_rings(vsi); 490 if (status) 491 goto err_setup_tx_ring; 492 493 status = ice_vsi_setup_rx_rings(vsi); 494 if (status) 495 goto err_setup_rx_ring; 496 497 status = ice_vsi_cfg(vsi); 498 if (status) 499 goto err_setup_rx_ring; 500 501 status = ice_vsi_start_all_rx_rings(vsi); 502 if (status) 503 goto err_start_rx_ring; 504 505 return status; 506 507 err_start_rx_ring: 508 ice_vsi_free_rx_rings(vsi); 509 err_setup_rx_ring: 510 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 511 err_setup_tx_ring: 512 ice_vsi_free_tx_rings(vsi); 513 514 return status; 515 } 516 517 /** 518 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 519 * @vsi: pointer to the VSI structure 520 * 521 * Function stops and frees VSI rings after a loopback test. 522 * Returns 0 on success, negative on failure. 523 */ 524 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 525 { 526 int status; 527 528 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 529 if (status) 530 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 531 vsi->vsi_num, status); 532 533 status = ice_vsi_stop_all_rx_rings(vsi); 534 if (status) 535 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 536 vsi->vsi_num, status); 537 538 ice_vsi_free_tx_rings(vsi); 539 ice_vsi_free_rx_rings(vsi); 540 541 return status; 542 } 543 544 /** 545 * ice_lbtest_create_frame - create test packet 546 * @pf: pointer to the PF structure 547 * @ret_data: allocated frame buffer 548 * @size: size of the packet data 549 * 550 * Function allocates a frame with a test pattern on specific offsets. 551 * Returns 0 on success, non-zero on failure. 552 */ 553 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 554 { 555 u8 *data; 556 557 if (!pf) 558 return -EINVAL; 559 560 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); 561 if (!data) 562 return -ENOMEM; 563 564 /* Since the ethernet test frame should always be at least 565 * 64 bytes long, fill some octets in the payload with test data. 566 */ 567 memset(data, 0xFF, size); 568 data[32] = 0xDE; 569 data[42] = 0xAD; 570 data[44] = 0xBE; 571 data[46] = 0xEF; 572 573 *ret_data = data; 574 575 return 0; 576 } 577 578 /** 579 * ice_lbtest_check_frame - verify received loopback frame 580 * @frame: pointer to the raw packet data 581 * 582 * Function verifies received test frame with a pattern. 583 * Returns true if frame matches the pattern, false otherwise. 584 */ 585 static bool ice_lbtest_check_frame(u8 *frame) 586 { 587 /* Validate bytes of a frame under offsets chosen earlier */ 588 if (frame[32] == 0xDE && 589 frame[42] == 0xAD && 590 frame[44] == 0xBE && 591 frame[46] == 0xEF && 592 frame[48] == 0xFF) 593 return true; 594 595 return false; 596 } 597 598 /** 599 * ice_diag_send - send test frames to the test ring 600 * @tx_ring: pointer to the transmit ring 601 * @data: pointer to the raw packet data 602 * @size: size of the packet to send 603 * 604 * Function sends loopback packets on a test Tx ring. 605 */ 606 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size) 607 { 608 struct ice_tx_desc *tx_desc; 609 struct ice_tx_buf *tx_buf; 610 dma_addr_t dma; 611 u64 td_cmd; 612 613 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 614 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 615 616 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 617 if (dma_mapping_error(tx_ring->dev, dma)) 618 return -EINVAL; 619 620 tx_desc->buf_addr = cpu_to_le64(dma); 621 622 /* These flags are required for a descriptor to be pushed out */ 623 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 624 tx_desc->cmd_type_offset_bsz = 625 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 626 (td_cmd << ICE_TXD_QW1_CMD_S) | 627 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 628 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 629 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 630 631 tx_buf->next_to_watch = tx_desc; 632 633 /* Force memory write to complete before letting h/w know 634 * there are new descriptors to fetch. 635 */ 636 wmb(); 637 638 tx_ring->next_to_use++; 639 if (tx_ring->next_to_use >= tx_ring->count) 640 tx_ring->next_to_use = 0; 641 642 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 643 644 /* Wait until the packets get transmitted to the receive queue. */ 645 usleep_range(1000, 2000); 646 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 647 648 return 0; 649 } 650 651 #define ICE_LB_FRAME_SIZE 64 652 /** 653 * ice_lbtest_receive_frames - receive and verify test frames 654 * @rx_ring: pointer to the receive ring 655 * 656 * Function receives loopback packets and verify their correctness. 657 * Returns number of received valid frames. 658 */ 659 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring) 660 { 661 struct ice_rx_buf *rx_buf; 662 int valid_frames, i; 663 u8 *received_buf; 664 665 valid_frames = 0; 666 667 for (i = 0; i < rx_ring->count; i++) { 668 union ice_32b_rx_flex_desc *rx_desc; 669 670 rx_desc = ICE_RX_DESC(rx_ring, i); 671 672 if (!(rx_desc->wb.status_error0 & 673 cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS))) 674 continue; 675 676 rx_buf = &rx_ring->rx_buf[i]; 677 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 678 679 if (ice_lbtest_check_frame(received_buf)) 680 valid_frames++; 681 } 682 683 return valid_frames; 684 } 685 686 /** 687 * ice_loopback_test - perform a loopback test on a given net_device 688 * @netdev: network interface device structure 689 * 690 * This function performs one of the self-tests required by ethtool. 691 * Returns 0 on success, non-zero on failure. 692 */ 693 static u64 ice_loopback_test(struct net_device *netdev) 694 { 695 struct ice_netdev_priv *np = netdev_priv(netdev); 696 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 697 struct ice_pf *pf = orig_vsi->back; 698 u8 broadcast[ETH_ALEN], ret = 0; 699 int num_frames, valid_frames; 700 struct ice_tx_ring *tx_ring; 701 struct ice_rx_ring *rx_ring; 702 struct device *dev; 703 u8 *tx_frame; 704 int i; 705 706 dev = ice_pf_to_dev(pf); 707 netdev_info(netdev, "loopback test\n"); 708 709 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 710 if (!test_vsi) { 711 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 712 return 1; 713 } 714 715 test_vsi->netdev = netdev; 716 tx_ring = test_vsi->tx_rings[0]; 717 rx_ring = test_vsi->rx_rings[0]; 718 719 if (ice_lbtest_prepare_rings(test_vsi)) { 720 ret = 2; 721 goto lbtest_vsi_close; 722 } 723 724 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 725 ret = 3; 726 goto lbtest_rings_dis; 727 } 728 729 /* Enable MAC loopback in firmware */ 730 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 731 ret = 4; 732 goto lbtest_mac_dis; 733 } 734 735 /* Test VSI needs to receive broadcast packets */ 736 eth_broadcast_addr(broadcast); 737 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 738 ret = 5; 739 goto lbtest_mac_dis; 740 } 741 742 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 743 ret = 7; 744 goto remove_mac_filters; 745 } 746 747 num_frames = min_t(int, tx_ring->count, 32); 748 for (i = 0; i < num_frames; i++) { 749 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 750 ret = 8; 751 goto lbtest_free_frame; 752 } 753 } 754 755 valid_frames = ice_lbtest_receive_frames(rx_ring); 756 if (!valid_frames) 757 ret = 9; 758 else if (valid_frames != num_frames) 759 ret = 10; 760 761 lbtest_free_frame: 762 devm_kfree(dev, tx_frame); 763 remove_mac_filters: 764 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 765 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 766 lbtest_mac_dis: 767 /* Disable MAC loopback after the test is completed. */ 768 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 769 netdev_err(netdev, "Could not disable MAC loopback\n"); 770 lbtest_rings_dis: 771 if (ice_lbtest_disable_rings(test_vsi)) 772 netdev_err(netdev, "Could not disable test rings\n"); 773 lbtest_vsi_close: 774 test_vsi->netdev = NULL; 775 if (ice_vsi_release(test_vsi)) 776 netdev_err(netdev, "Failed to remove the test VSI\n"); 777 778 return ret; 779 } 780 781 /** 782 * ice_intr_test - perform an interrupt test on a given net_device 783 * @netdev: network interface device structure 784 * 785 * This function performs one of the self-tests required by ethtool. 786 * Returns 0 on success, non-zero on failure. 787 */ 788 static u64 ice_intr_test(struct net_device *netdev) 789 { 790 struct ice_netdev_priv *np = netdev_priv(netdev); 791 struct ice_pf *pf = np->vsi->back; 792 u16 swic_old = pf->sw_int_count; 793 794 netdev_info(netdev, "interrupt test\n"); 795 796 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 797 GLINT_DYN_CTL_SW_ITR_INDX_M | 798 GLINT_DYN_CTL_INTENA_MSK_M | 799 GLINT_DYN_CTL_SWINT_TRIG_M); 800 801 usleep_range(1000, 2000); 802 return (swic_old == pf->sw_int_count); 803 } 804 805 /** 806 * ice_self_test - handler function for performing a self-test by ethtool 807 * @netdev: network interface device structure 808 * @eth_test: ethtool_test structure 809 * @data: required by ethtool.self_test 810 * 811 * This function is called after invoking 'ethtool -t devname' command where 812 * devname is the name of the network device on which ethtool should operate. 813 * It performs a set of self-tests to check if a device works properly. 814 */ 815 static void 816 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 817 u64 *data) 818 { 819 struct ice_netdev_priv *np = netdev_priv(netdev); 820 bool if_running = netif_running(netdev); 821 struct ice_pf *pf = np->vsi->back; 822 struct device *dev; 823 824 dev = ice_pf_to_dev(pf); 825 826 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 827 netdev_info(netdev, "offline testing starting\n"); 828 829 set_bit(ICE_TESTING, pf->state); 830 831 if (ice_active_vfs(pf)) { 832 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 833 data[ICE_ETH_TEST_REG] = 1; 834 data[ICE_ETH_TEST_EEPROM] = 1; 835 data[ICE_ETH_TEST_INTR] = 1; 836 data[ICE_ETH_TEST_LOOP] = 1; 837 data[ICE_ETH_TEST_LINK] = 1; 838 eth_test->flags |= ETH_TEST_FL_FAILED; 839 clear_bit(ICE_TESTING, pf->state); 840 goto skip_ol_tests; 841 } 842 /* If the device is online then take it offline */ 843 if (if_running) 844 /* indicate we're in test mode */ 845 ice_stop(netdev); 846 847 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 848 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 849 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 850 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 851 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 852 853 if (data[ICE_ETH_TEST_LINK] || 854 data[ICE_ETH_TEST_EEPROM] || 855 data[ICE_ETH_TEST_LOOP] || 856 data[ICE_ETH_TEST_INTR] || 857 data[ICE_ETH_TEST_REG]) 858 eth_test->flags |= ETH_TEST_FL_FAILED; 859 860 clear_bit(ICE_TESTING, pf->state); 861 862 if (if_running) { 863 int status = ice_open(netdev); 864 865 if (status) { 866 dev_err(dev, "Could not open device %s, err %d\n", 867 pf->int_name, status); 868 } 869 } 870 } else { 871 /* Online tests */ 872 netdev_info(netdev, "online testing starting\n"); 873 874 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 875 if (data[ICE_ETH_TEST_LINK]) 876 eth_test->flags |= ETH_TEST_FL_FAILED; 877 878 /* Offline only tests, not run in online; pass by default */ 879 data[ICE_ETH_TEST_REG] = 0; 880 data[ICE_ETH_TEST_EEPROM] = 0; 881 data[ICE_ETH_TEST_INTR] = 0; 882 data[ICE_ETH_TEST_LOOP] = 0; 883 } 884 885 skip_ol_tests: 886 netdev_info(netdev, "testing finished\n"); 887 } 888 889 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 890 { 891 struct ice_netdev_priv *np = netdev_priv(netdev); 892 struct ice_vsi *vsi = ice_get_netdev_priv_vsi(np); 893 unsigned int i; 894 u8 *p = data; 895 896 switch (stringset) { 897 case ETH_SS_STATS: 898 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 899 ethtool_sprintf(&p, 900 ice_gstrings_vsi_stats[i].stat_string); 901 902 if (ice_is_port_repr_netdev(netdev)) 903 return; 904 905 ice_for_each_alloc_txq(vsi, i) { 906 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 907 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 908 } 909 910 ice_for_each_alloc_rxq(vsi, i) { 911 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 912 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 913 } 914 915 if (vsi->type != ICE_VSI_PF) 916 return; 917 918 for (i = 0; i < ICE_PF_STATS_LEN; i++) 919 ethtool_sprintf(&p, 920 ice_gstrings_pf_stats[i].stat_string); 921 922 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 923 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 924 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 925 } 926 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 927 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 928 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 929 } 930 break; 931 case ETH_SS_TEST: 932 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 933 break; 934 case ETH_SS_PRIV_FLAGS: 935 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 936 ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name); 937 break; 938 default: 939 break; 940 } 941 } 942 943 static int 944 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 945 { 946 struct ice_netdev_priv *np = netdev_priv(netdev); 947 bool led_active; 948 949 switch (state) { 950 case ETHTOOL_ID_ACTIVE: 951 led_active = true; 952 break; 953 case ETHTOOL_ID_INACTIVE: 954 led_active = false; 955 break; 956 default: 957 return -EINVAL; 958 } 959 960 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 961 return -EIO; 962 963 return 0; 964 } 965 966 /** 967 * ice_set_fec_cfg - Set link FEC options 968 * @netdev: network interface device structure 969 * @req_fec: FEC mode to configure 970 */ 971 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 972 { 973 struct ice_netdev_priv *np = netdev_priv(netdev); 974 struct ice_aqc_set_phy_cfg_data config = { 0 }; 975 struct ice_vsi *vsi = np->vsi; 976 struct ice_port_info *pi; 977 978 pi = vsi->port_info; 979 if (!pi) 980 return -EOPNOTSUPP; 981 982 /* Changing the FEC parameters is not supported if not the PF VSI */ 983 if (vsi->type != ICE_VSI_PF) { 984 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 985 return -EOPNOTSUPP; 986 } 987 988 /* Proceed only if requesting different FEC mode */ 989 if (pi->phy.curr_user_fec_req == req_fec) 990 return 0; 991 992 /* Copy the current user PHY configuration. The current user PHY 993 * configuration is initialized during probe from PHY capabilities 994 * software mode, and updated on set PHY configuration. 995 */ 996 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 997 998 ice_cfg_phy_fec(pi, &config, req_fec); 999 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1000 1001 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1002 return -EAGAIN; 1003 1004 /* Save requested FEC config */ 1005 pi->phy.curr_user_fec_req = req_fec; 1006 1007 return 0; 1008 } 1009 1010 /** 1011 * ice_set_fecparam - Set FEC link options 1012 * @netdev: network interface device structure 1013 * @fecparam: Ethtool structure to retrieve FEC parameters 1014 */ 1015 static int 1016 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1017 { 1018 struct ice_netdev_priv *np = netdev_priv(netdev); 1019 struct ice_vsi *vsi = np->vsi; 1020 enum ice_fec_mode fec; 1021 1022 switch (fecparam->fec) { 1023 case ETHTOOL_FEC_AUTO: 1024 fec = ICE_FEC_AUTO; 1025 break; 1026 case ETHTOOL_FEC_RS: 1027 fec = ICE_FEC_RS; 1028 break; 1029 case ETHTOOL_FEC_BASER: 1030 fec = ICE_FEC_BASER; 1031 break; 1032 case ETHTOOL_FEC_OFF: 1033 case ETHTOOL_FEC_NONE: 1034 fec = ICE_FEC_NONE; 1035 break; 1036 default: 1037 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1038 fecparam->fec); 1039 return -EINVAL; 1040 } 1041 1042 return ice_set_fec_cfg(netdev, fec); 1043 } 1044 1045 /** 1046 * ice_get_fecparam - Get link FEC options 1047 * @netdev: network interface device structure 1048 * @fecparam: Ethtool structure to retrieve FEC parameters 1049 */ 1050 static int 1051 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1052 { 1053 struct ice_netdev_priv *np = netdev_priv(netdev); 1054 struct ice_aqc_get_phy_caps_data *caps; 1055 struct ice_link_status *link_info; 1056 struct ice_vsi *vsi = np->vsi; 1057 struct ice_port_info *pi; 1058 enum ice_status status; 1059 int err = 0; 1060 1061 pi = vsi->port_info; 1062 1063 if (!pi) 1064 return -EOPNOTSUPP; 1065 link_info = &pi->phy.link_info; 1066 1067 /* Set FEC mode based on negotiated link info */ 1068 switch (link_info->fec_info) { 1069 case ICE_AQ_LINK_25G_KR_FEC_EN: 1070 fecparam->active_fec = ETHTOOL_FEC_BASER; 1071 break; 1072 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1073 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1074 fecparam->active_fec = ETHTOOL_FEC_RS; 1075 break; 1076 default: 1077 fecparam->active_fec = ETHTOOL_FEC_OFF; 1078 break; 1079 } 1080 1081 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1082 if (!caps) 1083 return -ENOMEM; 1084 1085 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1086 caps, NULL); 1087 if (status) { 1088 err = -EAGAIN; 1089 goto done; 1090 } 1091 1092 /* Set supported/configured FEC modes based on PHY capability */ 1093 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1094 fecparam->fec |= ETHTOOL_FEC_AUTO; 1095 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1096 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1097 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1098 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1099 fecparam->fec |= ETHTOOL_FEC_BASER; 1100 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1101 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1102 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1103 fecparam->fec |= ETHTOOL_FEC_RS; 1104 if (caps->link_fec_options == 0) 1105 fecparam->fec |= ETHTOOL_FEC_OFF; 1106 1107 done: 1108 kfree(caps); 1109 return err; 1110 } 1111 1112 /** 1113 * ice_nway_reset - restart autonegotiation 1114 * @netdev: network interface device structure 1115 */ 1116 static int ice_nway_reset(struct net_device *netdev) 1117 { 1118 struct ice_netdev_priv *np = netdev_priv(netdev); 1119 struct ice_vsi *vsi = np->vsi; 1120 int err; 1121 1122 /* If VSI state is up, then restart autoneg with link up */ 1123 if (!test_bit(ICE_DOWN, vsi->back->state)) 1124 err = ice_set_link(vsi, true); 1125 else 1126 err = ice_set_link(vsi, false); 1127 1128 return err; 1129 } 1130 1131 /** 1132 * ice_get_priv_flags - report device private flags 1133 * @netdev: network interface device structure 1134 * 1135 * The get string set count and the string set should be matched for each 1136 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1137 * array. 1138 * 1139 * Returns a u32 bitmap of flags. 1140 */ 1141 static u32 ice_get_priv_flags(struct net_device *netdev) 1142 { 1143 struct ice_netdev_priv *np = netdev_priv(netdev); 1144 struct ice_vsi *vsi = np->vsi; 1145 struct ice_pf *pf = vsi->back; 1146 u32 i, ret_flags = 0; 1147 1148 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1149 const struct ice_priv_flag *priv_flag; 1150 1151 priv_flag = &ice_gstrings_priv_flags[i]; 1152 1153 if (test_bit(priv_flag->bitno, pf->flags)) 1154 ret_flags |= BIT(i); 1155 } 1156 1157 return ret_flags; 1158 } 1159 1160 /** 1161 * ice_set_priv_flags - set private flags 1162 * @netdev: network interface device structure 1163 * @flags: bit flags to be set 1164 */ 1165 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1166 { 1167 struct ice_netdev_priv *np = netdev_priv(netdev); 1168 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1169 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1170 struct ice_vsi *vsi = np->vsi; 1171 struct ice_pf *pf = vsi->back; 1172 struct device *dev; 1173 int ret = 0; 1174 u32 i; 1175 1176 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1177 return -EINVAL; 1178 1179 dev = ice_pf_to_dev(pf); 1180 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1181 1182 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1183 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1184 const struct ice_priv_flag *priv_flag; 1185 1186 priv_flag = &ice_gstrings_priv_flags[i]; 1187 1188 if (flags & BIT(i)) 1189 set_bit(priv_flag->bitno, pf->flags); 1190 else 1191 clear_bit(priv_flag->bitno, pf->flags); 1192 } 1193 1194 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1195 1196 /* Do not allow change to link-down-on-close when Total Port Shutdown 1197 * is enabled. 1198 */ 1199 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1200 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1201 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1202 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1203 ret = -EINVAL; 1204 goto ethtool_exit; 1205 } 1206 1207 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1208 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1209 enum ice_status status; 1210 1211 /* Disable FW LLDP engine */ 1212 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1213 1214 /* If unregistering for LLDP events fails, this is 1215 * not an error state, as there shouldn't be any 1216 * events to respond to. 1217 */ 1218 if (status) 1219 dev_info(dev, "Failed to unreg for LLDP events\n"); 1220 1221 /* The AQ call to stop the FW LLDP agent will generate 1222 * an error if the agent is already stopped. 1223 */ 1224 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1225 if (status) 1226 dev_warn(dev, "Fail to stop LLDP agent\n"); 1227 /* Use case for having the FW LLDP agent stopped 1228 * will likely not need DCB, so failure to init is 1229 * not a concern of ethtool 1230 */ 1231 status = ice_init_pf_dcb(pf, true); 1232 if (status) 1233 dev_warn(dev, "Fail to init DCB\n"); 1234 1235 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1236 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1237 } else { 1238 enum ice_status status; 1239 bool dcbx_agent_status; 1240 1241 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { 1242 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); 1243 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); 1244 ret = -EOPNOTSUPP; 1245 goto ethtool_exit; 1246 } 1247 1248 /* Remove rule to direct LLDP packets to default VSI. 1249 * The FW LLDP engine will now be consuming them. 1250 */ 1251 ice_cfg_sw_lldp(vsi, false, false); 1252 1253 /* AQ command to start FW LLDP agent will return an 1254 * error if the agent is already started 1255 */ 1256 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1257 if (status) 1258 dev_warn(dev, "Fail to start LLDP Agent\n"); 1259 1260 /* AQ command to start FW DCBX agent will fail if 1261 * the agent is already started 1262 */ 1263 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1264 &dcbx_agent_status, 1265 NULL); 1266 if (status) 1267 dev_dbg(dev, "Failed to start FW DCBX\n"); 1268 1269 dev_info(dev, "FW DCBX agent is %s\n", 1270 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1271 1272 /* Failure to configure MIB change or init DCB is not 1273 * relevant to ethtool. Print notification that 1274 * registration/init failed but do not return error 1275 * state to ethtool 1276 */ 1277 status = ice_init_pf_dcb(pf, true); 1278 if (status) 1279 dev_dbg(dev, "Fail to init DCB\n"); 1280 1281 /* Register for MIB change events */ 1282 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1283 if (status) 1284 dev_dbg(dev, "Fail to enable MIB change events\n"); 1285 1286 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1287 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1288 1289 ice_nway_reset(netdev); 1290 } 1291 } 1292 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1293 /* down and up VSI so that changes of Rx cfg are reflected. */ 1294 ice_down(vsi); 1295 ice_up(vsi); 1296 } 1297 /* don't allow modification of this flag when a single VF is in 1298 * promiscuous mode because it's not supported 1299 */ 1300 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1301 ice_is_any_vf_in_promisc(pf)) { 1302 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1303 /* toggle bit back to previous state */ 1304 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1305 ret = -EAGAIN; 1306 } 1307 ethtool_exit: 1308 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1309 return ret; 1310 } 1311 1312 static int ice_get_sset_count(struct net_device *netdev, int sset) 1313 { 1314 switch (sset) { 1315 case ETH_SS_STATS: 1316 /* The number (and order) of strings reported *must* remain 1317 * constant for a given netdevice. This function must not 1318 * report a different number based on run time parameters 1319 * (such as the number of queues in use, or the setting of 1320 * a private ethtool flag). This is due to the nature of the 1321 * ethtool stats API. 1322 * 1323 * Userspace programs such as ethtool must make 3 separate 1324 * ioctl requests, one for size, one for the strings, and 1325 * finally one for the stats. Since these cross into 1326 * userspace, changes to the number or size could result in 1327 * undefined memory access or incorrect string<->value 1328 * correlations for statistics. 1329 * 1330 * Even if it appears to be safe, changes to the size or 1331 * order of strings will suffer from race conditions and are 1332 * not safe. 1333 */ 1334 if (ice_is_port_repr_netdev(netdev)) 1335 return ICE_VSI_STATS_LEN; 1336 1337 return ICE_ALL_STATS_LEN(netdev); 1338 case ETH_SS_TEST: 1339 return ICE_TEST_LEN; 1340 case ETH_SS_PRIV_FLAGS: 1341 return ICE_PRIV_FLAG_ARRAY_SIZE; 1342 default: 1343 return -EOPNOTSUPP; 1344 } 1345 } 1346 1347 static void 1348 ice_get_ethtool_stats(struct net_device *netdev, 1349 struct ethtool_stats __always_unused *stats, u64 *data) 1350 { 1351 struct ice_netdev_priv *np = netdev_priv(netdev); 1352 struct ice_vsi *vsi = ice_get_netdev_priv_vsi(np); 1353 struct ice_pf *pf = vsi->back; 1354 struct ice_tx_ring *tx_ring; 1355 struct ice_rx_ring *rx_ring; 1356 unsigned int j; 1357 int i = 0; 1358 char *p; 1359 1360 ice_update_pf_stats(pf); 1361 ice_update_vsi_stats(vsi); 1362 1363 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1364 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1365 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1366 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1367 } 1368 1369 if (ice_is_port_repr_netdev(netdev)) 1370 return; 1371 1372 /* populate per queue stats */ 1373 rcu_read_lock(); 1374 1375 ice_for_each_alloc_txq(vsi, j) { 1376 tx_ring = READ_ONCE(vsi->tx_rings[j]); 1377 if (tx_ring) { 1378 data[i++] = tx_ring->stats.pkts; 1379 data[i++] = tx_ring->stats.bytes; 1380 } else { 1381 data[i++] = 0; 1382 data[i++] = 0; 1383 } 1384 } 1385 1386 ice_for_each_alloc_rxq(vsi, j) { 1387 rx_ring = READ_ONCE(vsi->rx_rings[j]); 1388 if (rx_ring) { 1389 data[i++] = rx_ring->stats.pkts; 1390 data[i++] = rx_ring->stats.bytes; 1391 } else { 1392 data[i++] = 0; 1393 data[i++] = 0; 1394 } 1395 } 1396 1397 rcu_read_unlock(); 1398 1399 if (vsi->type != ICE_VSI_PF) 1400 return; 1401 1402 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1403 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1404 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1405 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1406 } 1407 1408 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1409 data[i++] = pf->stats.priority_xon_tx[j]; 1410 data[i++] = pf->stats.priority_xoff_tx[j]; 1411 } 1412 1413 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1414 data[i++] = pf->stats.priority_xon_rx[j]; 1415 data[i++] = pf->stats.priority_xoff_rx[j]; 1416 } 1417 } 1418 1419 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1420 ICE_PHY_TYPE_LOW_100M_SGMII) 1421 1422 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1423 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1424 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1425 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1426 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1427 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1428 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1429 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1430 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1431 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1432 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1433 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1434 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1435 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1436 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1437 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1438 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1439 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1440 1441 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1442 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1443 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1444 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1445 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1446 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1447 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1448 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1449 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1450 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1451 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1452 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1453 ICE_PHY_TYPE_LOW_100GBASE_DR) 1454 1455 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1456 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1457 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1458 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1459 ICE_PHY_TYPE_HIGH_100G_AUI2) 1460 1461 /** 1462 * ice_mask_min_supported_speeds 1463 * @phy_types_high: PHY type high 1464 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1465 * 1466 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1467 * for ethtool supported link mode. 1468 */ 1469 static 1470 void ice_mask_min_supported_speeds(u64 phy_types_high, u64 *phy_types_low) 1471 { 1472 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1473 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G || 1474 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) 1475 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1476 else 1477 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1478 } 1479 1480 #define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \ 1481 do { \ 1482 if (req_speeds & (aq_link_speed) || \ 1483 (!req_speeds && \ 1484 (advert_phy_type_lo & phy_type_mask_lo || \ 1485 advert_phy_type_hi & phy_type_mask_hi))) \ 1486 ethtool_link_ksettings_add_link_mode(ks, advertising,\ 1487 ethtool_link_mode); \ 1488 } while (0) 1489 1490 /** 1491 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1492 * @netdev: network interface device structure 1493 * @ks: ethtool link ksettings struct to fill out 1494 */ 1495 static void 1496 ice_phy_type_to_ethtool(struct net_device *netdev, 1497 struct ethtool_link_ksettings *ks) 1498 { 1499 struct ice_netdev_priv *np = netdev_priv(netdev); 1500 struct ice_vsi *vsi = np->vsi; 1501 struct ice_pf *pf = vsi->back; 1502 u64 advert_phy_type_lo = 0; 1503 u64 advert_phy_type_hi = 0; 1504 u64 phy_type_mask_lo = 0; 1505 u64 phy_type_mask_hi = 0; 1506 u64 phy_types_high = 0; 1507 u64 phy_types_low = 0; 1508 u16 req_speeds; 1509 1510 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1511 1512 /* Check if lenient mode is supported and enabled, or in strict mode. 1513 * 1514 * In lenient mode the Supported link modes are the PHY types without 1515 * media. The Advertising link mode is either 1. the user requested 1516 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1517 * 1518 * In strict mode Supported link mode are the PHY type with media, 1519 * and Advertising link modes are the media PHY type or the speed 1520 * requested by user. 1521 */ 1522 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1523 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1524 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1525 1526 ice_mask_min_supported_speeds(phy_types_high, &phy_types_low); 1527 /* determine advertised modes based on link override only 1528 * if it's supported and if the FW doesn't abstract the 1529 * driver from having to account for link overrides 1530 */ 1531 if (ice_fw_supports_link_override(&pf->hw) && 1532 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 1533 struct ice_link_default_override_tlv *ldo; 1534 1535 ldo = &pf->link_dflt_override; 1536 /* If override enabled and PHY mask set, then 1537 * Advertising link mode is the intersection of the PHY 1538 * types without media and the override PHY mask. 1539 */ 1540 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1541 (ldo->phy_type_low || ldo->phy_type_high)) { 1542 advert_phy_type_lo = 1543 le64_to_cpu(pf->nvm_phy_type_lo) & 1544 ldo->phy_type_low; 1545 advert_phy_type_hi = 1546 le64_to_cpu(pf->nvm_phy_type_hi) & 1547 ldo->phy_type_high; 1548 } 1549 } 1550 } else { 1551 /* strict mode */ 1552 phy_types_low = vsi->port_info->phy.phy_type_low; 1553 phy_types_high = vsi->port_info->phy.phy_type_high; 1554 } 1555 1556 /* If Advertising link mode PHY type is not using override PHY type, 1557 * then use PHY type with media. 1558 */ 1559 if (!advert_phy_type_lo && !advert_phy_type_hi) { 1560 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 1561 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 1562 } 1563 1564 ethtool_link_ksettings_zero_link_mode(ks, supported); 1565 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1566 1567 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX | 1568 ICE_PHY_TYPE_LOW_100M_SGMII; 1569 if (phy_types_low & phy_type_mask_lo) { 1570 ethtool_link_ksettings_add_link_mode(ks, supported, 1571 100baseT_Full); 1572 1573 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB, 1574 100baseT_Full); 1575 } 1576 1577 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T | 1578 ICE_PHY_TYPE_LOW_1G_SGMII; 1579 if (phy_types_low & phy_type_mask_lo) { 1580 ethtool_link_ksettings_add_link_mode(ks, supported, 1581 1000baseT_Full); 1582 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1583 1000baseT_Full); 1584 } 1585 1586 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX; 1587 if (phy_types_low & phy_type_mask_lo) { 1588 ethtool_link_ksettings_add_link_mode(ks, supported, 1589 1000baseKX_Full); 1590 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1591 1000baseKX_Full); 1592 } 1593 1594 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX | 1595 ICE_PHY_TYPE_LOW_1000BASE_LX; 1596 if (phy_types_low & phy_type_mask_lo) { 1597 ethtool_link_ksettings_add_link_mode(ks, supported, 1598 1000baseX_Full); 1599 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1600 1000baseX_Full); 1601 } 1602 1603 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T; 1604 if (phy_types_low & phy_type_mask_lo) { 1605 ethtool_link_ksettings_add_link_mode(ks, supported, 1606 2500baseT_Full); 1607 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1608 2500baseT_Full); 1609 } 1610 1611 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X | 1612 ICE_PHY_TYPE_LOW_2500BASE_KX; 1613 if (phy_types_low & phy_type_mask_lo) { 1614 ethtool_link_ksettings_add_link_mode(ks, supported, 1615 2500baseX_Full); 1616 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1617 2500baseX_Full); 1618 } 1619 1620 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T | 1621 ICE_PHY_TYPE_LOW_5GBASE_KR; 1622 if (phy_types_low & phy_type_mask_lo) { 1623 ethtool_link_ksettings_add_link_mode(ks, supported, 1624 5000baseT_Full); 1625 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB, 1626 5000baseT_Full); 1627 } 1628 1629 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T | 1630 ICE_PHY_TYPE_LOW_10G_SFI_DA | 1631 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | 1632 ICE_PHY_TYPE_LOW_10G_SFI_C2C; 1633 if (phy_types_low & phy_type_mask_lo) { 1634 ethtool_link_ksettings_add_link_mode(ks, supported, 1635 10000baseT_Full); 1636 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1637 10000baseT_Full); 1638 } 1639 1640 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1; 1641 if (phy_types_low & phy_type_mask_lo) { 1642 ethtool_link_ksettings_add_link_mode(ks, supported, 1643 10000baseKR_Full); 1644 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1645 10000baseKR_Full); 1646 } 1647 1648 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR; 1649 if (phy_types_low & phy_type_mask_lo) { 1650 ethtool_link_ksettings_add_link_mode(ks, supported, 1651 10000baseSR_Full); 1652 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1653 10000baseSR_Full); 1654 } 1655 1656 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR; 1657 if (phy_types_low & phy_type_mask_lo) { 1658 ethtool_link_ksettings_add_link_mode(ks, supported, 1659 10000baseLR_Full); 1660 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1661 10000baseLR_Full); 1662 } 1663 1664 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T | 1665 ICE_PHY_TYPE_LOW_25GBASE_CR | 1666 ICE_PHY_TYPE_LOW_25GBASE_CR_S | 1667 ICE_PHY_TYPE_LOW_25GBASE_CR1 | 1668 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC | 1669 ICE_PHY_TYPE_LOW_25G_AUI_C2C; 1670 if (phy_types_low & phy_type_mask_lo) { 1671 ethtool_link_ksettings_add_link_mode(ks, supported, 1672 25000baseCR_Full); 1673 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1674 25000baseCR_Full); 1675 } 1676 1677 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR | 1678 ICE_PHY_TYPE_LOW_25GBASE_LR; 1679 if (phy_types_low & phy_type_mask_lo) { 1680 ethtool_link_ksettings_add_link_mode(ks, supported, 1681 25000baseSR_Full); 1682 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1683 25000baseSR_Full); 1684 } 1685 1686 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR | 1687 ICE_PHY_TYPE_LOW_25GBASE_KR_S | 1688 ICE_PHY_TYPE_LOW_25GBASE_KR1; 1689 if (phy_types_low & phy_type_mask_lo) { 1690 ethtool_link_ksettings_add_link_mode(ks, supported, 1691 25000baseKR_Full); 1692 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1693 25000baseKR_Full); 1694 } 1695 1696 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4; 1697 if (phy_types_low & phy_type_mask_lo) { 1698 ethtool_link_ksettings_add_link_mode(ks, supported, 1699 40000baseKR4_Full); 1700 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1701 40000baseKR4_Full); 1702 } 1703 1704 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 | 1705 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC | 1706 ICE_PHY_TYPE_LOW_40G_XLAUI; 1707 if (phy_types_low & phy_type_mask_lo) { 1708 ethtool_link_ksettings_add_link_mode(ks, supported, 1709 40000baseCR4_Full); 1710 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1711 40000baseCR4_Full); 1712 } 1713 1714 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4; 1715 if (phy_types_low & phy_type_mask_lo) { 1716 ethtool_link_ksettings_add_link_mode(ks, supported, 1717 40000baseSR4_Full); 1718 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1719 40000baseSR4_Full); 1720 } 1721 1722 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4; 1723 if (phy_types_low & phy_type_mask_lo) { 1724 ethtool_link_ksettings_add_link_mode(ks, supported, 1725 40000baseLR4_Full); 1726 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1727 40000baseLR4_Full); 1728 } 1729 1730 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 | 1731 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC | 1732 ICE_PHY_TYPE_LOW_50G_LAUI2 | 1733 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC | 1734 ICE_PHY_TYPE_LOW_50G_AUI2 | 1735 ICE_PHY_TYPE_LOW_50GBASE_CP | 1736 ICE_PHY_TYPE_LOW_50GBASE_SR | 1737 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC | 1738 ICE_PHY_TYPE_LOW_50G_AUI1; 1739 if (phy_types_low & phy_type_mask_lo) { 1740 ethtool_link_ksettings_add_link_mode(ks, supported, 1741 50000baseCR2_Full); 1742 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1743 50000baseCR2_Full); 1744 } 1745 1746 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 | 1747 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4; 1748 if (phy_types_low & phy_type_mask_lo) { 1749 ethtool_link_ksettings_add_link_mode(ks, supported, 1750 50000baseKR2_Full); 1751 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1752 50000baseKR2_Full); 1753 } 1754 1755 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 | 1756 ICE_PHY_TYPE_LOW_50GBASE_LR2 | 1757 ICE_PHY_TYPE_LOW_50GBASE_FR | 1758 ICE_PHY_TYPE_LOW_50GBASE_LR; 1759 if (phy_types_low & phy_type_mask_lo) { 1760 ethtool_link_ksettings_add_link_mode(ks, supported, 1761 50000baseSR2_Full); 1762 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1763 50000baseSR2_Full); 1764 } 1765 1766 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 | 1767 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | 1768 ICE_PHY_TYPE_LOW_100G_CAUI4 | 1769 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | 1770 ICE_PHY_TYPE_LOW_100G_AUI4 | 1771 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | 1772 ICE_PHY_TYPE_LOW_100GBASE_CP2; 1773 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC | 1774 ICE_PHY_TYPE_HIGH_100G_CAUI2 | 1775 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | 1776 ICE_PHY_TYPE_HIGH_100G_AUI2; 1777 if (phy_types_low & phy_type_mask_lo || 1778 phy_types_high & phy_type_mask_hi) { 1779 ethtool_link_ksettings_add_link_mode(ks, supported, 1780 100000baseCR4_Full); 1781 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1782 100000baseCR4_Full); 1783 } 1784 1785 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 | 1786 ICE_PHY_TYPE_LOW_100GBASE_SR2; 1787 if (phy_types_low & phy_type_mask_lo) { 1788 ethtool_link_ksettings_add_link_mode(ks, supported, 1789 100000baseSR4_Full); 1790 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1791 100000baseSR4_Full); 1792 } 1793 1794 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 | 1795 ICE_PHY_TYPE_LOW_100GBASE_DR; 1796 if (phy_types_low & phy_type_mask_lo) { 1797 ethtool_link_ksettings_add_link_mode(ks, supported, 1798 100000baseLR4_ER4_Full); 1799 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1800 100000baseLR4_ER4_Full); 1801 } 1802 1803 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 | 1804 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4; 1805 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4; 1806 if (phy_types_low & phy_type_mask_lo || 1807 phy_types_high & phy_type_mask_hi) { 1808 ethtool_link_ksettings_add_link_mode(ks, supported, 1809 100000baseKR4_Full); 1810 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1811 100000baseKR4_Full); 1812 } 1813 } 1814 1815 #define TEST_SET_BITS_TIMEOUT 50 1816 #define TEST_SET_BITS_SLEEP_MAX 2000 1817 #define TEST_SET_BITS_SLEEP_MIN 1000 1818 1819 /** 1820 * ice_get_settings_link_up - Get Link settings for when link is up 1821 * @ks: ethtool ksettings to fill in 1822 * @netdev: network interface device structure 1823 */ 1824 static void 1825 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1826 struct net_device *netdev) 1827 { 1828 struct ice_netdev_priv *np = netdev_priv(netdev); 1829 struct ice_port_info *pi = np->vsi->port_info; 1830 struct ice_link_status *link_info; 1831 struct ice_vsi *vsi = np->vsi; 1832 1833 link_info = &vsi->port_info->phy.link_info; 1834 1835 /* Get supported and advertised settings from PHY ability with media */ 1836 ice_phy_type_to_ethtool(netdev, ks); 1837 1838 switch (link_info->link_speed) { 1839 case ICE_AQ_LINK_SPEED_100GB: 1840 ks->base.speed = SPEED_100000; 1841 break; 1842 case ICE_AQ_LINK_SPEED_50GB: 1843 ks->base.speed = SPEED_50000; 1844 break; 1845 case ICE_AQ_LINK_SPEED_40GB: 1846 ks->base.speed = SPEED_40000; 1847 break; 1848 case ICE_AQ_LINK_SPEED_25GB: 1849 ks->base.speed = SPEED_25000; 1850 break; 1851 case ICE_AQ_LINK_SPEED_20GB: 1852 ks->base.speed = SPEED_20000; 1853 break; 1854 case ICE_AQ_LINK_SPEED_10GB: 1855 ks->base.speed = SPEED_10000; 1856 break; 1857 case ICE_AQ_LINK_SPEED_5GB: 1858 ks->base.speed = SPEED_5000; 1859 break; 1860 case ICE_AQ_LINK_SPEED_2500MB: 1861 ks->base.speed = SPEED_2500; 1862 break; 1863 case ICE_AQ_LINK_SPEED_1000MB: 1864 ks->base.speed = SPEED_1000; 1865 break; 1866 case ICE_AQ_LINK_SPEED_100MB: 1867 ks->base.speed = SPEED_100; 1868 break; 1869 default: 1870 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1871 link_info->link_speed); 1872 break; 1873 } 1874 ks->base.duplex = DUPLEX_FULL; 1875 1876 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1877 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1878 Autoneg); 1879 1880 /* Set flow control negotiated Rx/Tx pause */ 1881 switch (pi->fc.current_mode) { 1882 case ICE_FC_FULL: 1883 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1884 break; 1885 case ICE_FC_TX_PAUSE: 1886 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1887 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1888 Asym_Pause); 1889 break; 1890 case ICE_FC_RX_PAUSE: 1891 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1892 Asym_Pause); 1893 break; 1894 case ICE_FC_PFC: 1895 default: 1896 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1897 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1898 Asym_Pause); 1899 break; 1900 } 1901 } 1902 1903 /** 1904 * ice_get_settings_link_down - Get the Link settings when link is down 1905 * @ks: ethtool ksettings to fill in 1906 * @netdev: network interface device structure 1907 * 1908 * Reports link settings that can be determined when link is down 1909 */ 1910 static void 1911 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1912 struct net_device *netdev) 1913 { 1914 /* link is down and the driver needs to fall back on 1915 * supported PHY types to figure out what info to display 1916 */ 1917 ice_phy_type_to_ethtool(netdev, ks); 1918 1919 /* With no link, speed and duplex are unknown */ 1920 ks->base.speed = SPEED_UNKNOWN; 1921 ks->base.duplex = DUPLEX_UNKNOWN; 1922 } 1923 1924 /** 1925 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1926 * @netdev: network interface device structure 1927 * @ks: ethtool ksettings 1928 * 1929 * Reports speed/duplex settings based on media_type 1930 */ 1931 static int 1932 ice_get_link_ksettings(struct net_device *netdev, 1933 struct ethtool_link_ksettings *ks) 1934 { 1935 struct ice_netdev_priv *np = netdev_priv(netdev); 1936 struct ice_aqc_get_phy_caps_data *caps; 1937 struct ice_link_status *hw_link_info; 1938 struct ice_vsi *vsi = np->vsi; 1939 enum ice_status status; 1940 int err = 0; 1941 1942 ethtool_link_ksettings_zero_link_mode(ks, supported); 1943 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1944 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1945 hw_link_info = &vsi->port_info->phy.link_info; 1946 1947 /* set speed and duplex */ 1948 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 1949 ice_get_settings_link_up(ks, netdev); 1950 else 1951 ice_get_settings_link_down(ks, netdev); 1952 1953 /* set autoneg settings */ 1954 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 1955 AUTONEG_ENABLE : AUTONEG_DISABLE; 1956 1957 /* set media type settings */ 1958 switch (vsi->port_info->phy.media_type) { 1959 case ICE_MEDIA_FIBER: 1960 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1961 ks->base.port = PORT_FIBRE; 1962 break; 1963 case ICE_MEDIA_BASET: 1964 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 1965 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 1966 ks->base.port = PORT_TP; 1967 break; 1968 case ICE_MEDIA_BACKPLANE: 1969 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 1970 ethtool_link_ksettings_add_link_mode(ks, advertising, 1971 Backplane); 1972 ks->base.port = PORT_NONE; 1973 break; 1974 case ICE_MEDIA_DA: 1975 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1976 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 1977 ks->base.port = PORT_DA; 1978 break; 1979 default: 1980 ks->base.port = PORT_OTHER; 1981 break; 1982 } 1983 1984 /* flow control is symmetric and always supported */ 1985 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 1986 1987 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1988 if (!caps) 1989 return -ENOMEM; 1990 1991 status = ice_aq_get_phy_caps(vsi->port_info, false, 1992 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 1993 if (status) { 1994 err = -EIO; 1995 goto done; 1996 } 1997 1998 /* Set the advertised flow control based on the PHY capability */ 1999 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2000 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2001 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2002 ethtool_link_ksettings_add_link_mode(ks, advertising, 2003 Asym_Pause); 2004 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2005 ethtool_link_ksettings_add_link_mode(ks, advertising, 2006 Asym_Pause); 2007 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2008 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2009 ethtool_link_ksettings_add_link_mode(ks, advertising, 2010 Asym_Pause); 2011 } else { 2012 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2013 ethtool_link_ksettings_del_link_mode(ks, advertising, 2014 Asym_Pause); 2015 } 2016 2017 /* Set advertised FEC modes based on PHY capability */ 2018 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2019 2020 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2021 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2022 ethtool_link_ksettings_add_link_mode(ks, advertising, 2023 FEC_BASER); 2024 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2025 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2026 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2027 2028 status = ice_aq_get_phy_caps(vsi->port_info, false, 2029 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 2030 if (status) { 2031 err = -EIO; 2032 goto done; 2033 } 2034 2035 /* Set supported FEC modes based on PHY capability */ 2036 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2037 2038 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2039 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2040 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2041 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2042 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2043 2044 /* Set supported and advertised autoneg */ 2045 if (ice_is_phy_caps_an_enabled(caps)) { 2046 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2047 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2048 } 2049 2050 done: 2051 kfree(caps); 2052 return err; 2053 } 2054 2055 /** 2056 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2057 * @ks: ethtool ksettings 2058 */ 2059 static u16 2060 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2061 { 2062 u16 adv_link_speed = 0; 2063 2064 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2065 100baseT_Full)) 2066 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2067 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2068 1000baseX_Full)) 2069 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2070 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2071 1000baseT_Full) || 2072 ethtool_link_ksettings_test_link_mode(ks, advertising, 2073 1000baseKX_Full)) 2074 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2075 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2076 2500baseT_Full)) 2077 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2078 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2079 2500baseX_Full)) 2080 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2081 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2082 5000baseT_Full)) 2083 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2084 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2085 10000baseT_Full) || 2086 ethtool_link_ksettings_test_link_mode(ks, advertising, 2087 10000baseKR_Full)) 2088 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2089 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2090 10000baseSR_Full) || 2091 ethtool_link_ksettings_test_link_mode(ks, advertising, 2092 10000baseLR_Full)) 2093 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2094 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2095 25000baseCR_Full) || 2096 ethtool_link_ksettings_test_link_mode(ks, advertising, 2097 25000baseSR_Full) || 2098 ethtool_link_ksettings_test_link_mode(ks, advertising, 2099 25000baseKR_Full)) 2100 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2101 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2102 40000baseCR4_Full) || 2103 ethtool_link_ksettings_test_link_mode(ks, advertising, 2104 40000baseSR4_Full) || 2105 ethtool_link_ksettings_test_link_mode(ks, advertising, 2106 40000baseLR4_Full) || 2107 ethtool_link_ksettings_test_link_mode(ks, advertising, 2108 40000baseKR4_Full)) 2109 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2110 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2111 50000baseCR2_Full) || 2112 ethtool_link_ksettings_test_link_mode(ks, advertising, 2113 50000baseKR2_Full)) 2114 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2115 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2116 50000baseSR2_Full)) 2117 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2118 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2119 100000baseCR4_Full) || 2120 ethtool_link_ksettings_test_link_mode(ks, advertising, 2121 100000baseSR4_Full) || 2122 ethtool_link_ksettings_test_link_mode(ks, advertising, 2123 100000baseLR4_ER4_Full) || 2124 ethtool_link_ksettings_test_link_mode(ks, advertising, 2125 100000baseKR4_Full)) 2126 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2127 2128 return adv_link_speed; 2129 } 2130 2131 /** 2132 * ice_setup_autoneg 2133 * @p: port info 2134 * @ks: ethtool_link_ksettings 2135 * @config: configuration that will be sent down to FW 2136 * @autoneg_enabled: autonegotiation is enabled or not 2137 * @autoneg_changed: will there a change in autonegotiation 2138 * @netdev: network interface device structure 2139 * 2140 * Setup PHY autonegotiation feature 2141 */ 2142 static int 2143 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2144 struct ice_aqc_set_phy_cfg_data *config, 2145 u8 autoneg_enabled, u8 *autoneg_changed, 2146 struct net_device *netdev) 2147 { 2148 int err = 0; 2149 2150 *autoneg_changed = 0; 2151 2152 /* Check autoneg */ 2153 if (autoneg_enabled == AUTONEG_ENABLE) { 2154 /* If autoneg was not already enabled */ 2155 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2156 /* If autoneg is not supported, return error */ 2157 if (!ethtool_link_ksettings_test_link_mode(ks, 2158 supported, 2159 Autoneg)) { 2160 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2161 err = -EINVAL; 2162 } else { 2163 /* Autoneg is allowed to change */ 2164 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2165 *autoneg_changed = 1; 2166 } 2167 } 2168 } else { 2169 /* If autoneg is currently enabled */ 2170 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2171 /* If autoneg is supported 10GBASE_T is the only PHY 2172 * that can disable it, so otherwise return error 2173 */ 2174 if (ethtool_link_ksettings_test_link_mode(ks, 2175 supported, 2176 Autoneg)) { 2177 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2178 err = -EINVAL; 2179 } else { 2180 /* Autoneg is allowed to change */ 2181 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2182 *autoneg_changed = 1; 2183 } 2184 } 2185 } 2186 2187 return err; 2188 } 2189 2190 /** 2191 * ice_set_link_ksettings - Set Speed and Duplex 2192 * @netdev: network interface device structure 2193 * @ks: ethtool ksettings 2194 * 2195 * Set speed/duplex per media_types advertised/forced 2196 */ 2197 static int 2198 ice_set_link_ksettings(struct net_device *netdev, 2199 const struct ethtool_link_ksettings *ks) 2200 { 2201 struct ice_netdev_priv *np = netdev_priv(netdev); 2202 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2203 struct ethtool_link_ksettings copy_ks = *ks; 2204 struct ethtool_link_ksettings safe_ks = {}; 2205 struct ice_aqc_get_phy_caps_data *phy_caps; 2206 struct ice_aqc_set_phy_cfg_data config; 2207 u16 adv_link_speed, curr_link_speed; 2208 struct ice_pf *pf = np->vsi->back; 2209 struct ice_port_info *pi; 2210 u8 autoneg_changed = 0; 2211 enum ice_status status; 2212 u64 phy_type_high = 0; 2213 u64 phy_type_low = 0; 2214 int err = 0; 2215 bool linkup; 2216 2217 pi = np->vsi->port_info; 2218 2219 if (!pi) 2220 return -EIO; 2221 2222 if (pi->phy.media_type != ICE_MEDIA_BASET && 2223 pi->phy.media_type != ICE_MEDIA_FIBER && 2224 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2225 pi->phy.media_type != ICE_MEDIA_DA && 2226 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2227 return -EOPNOTSUPP; 2228 2229 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2230 if (!phy_caps) 2231 return -ENOMEM; 2232 2233 /* Get the PHY capabilities based on media */ 2234 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2235 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2236 phy_caps, NULL); 2237 else 2238 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2239 phy_caps, NULL); 2240 if (status) { 2241 err = -EIO; 2242 goto done; 2243 } 2244 2245 /* save autoneg out of ksettings */ 2246 autoneg = copy_ks.base.autoneg; 2247 2248 /* Get link modes supported by hardware.*/ 2249 ice_phy_type_to_ethtool(netdev, &safe_ks); 2250 2251 /* and check against modes requested by user. 2252 * Return an error if unsupported mode was set. 2253 */ 2254 if (!bitmap_subset(copy_ks.link_modes.advertising, 2255 safe_ks.link_modes.supported, 2256 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2257 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2258 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"); 2259 err = -EOPNOTSUPP; 2260 goto done; 2261 } 2262 2263 /* get our own copy of the bits to check against */ 2264 memset(&safe_ks, 0, sizeof(safe_ks)); 2265 safe_ks.base.cmd = copy_ks.base.cmd; 2266 safe_ks.base.link_mode_masks_nwords = 2267 copy_ks.base.link_mode_masks_nwords; 2268 ice_get_link_ksettings(netdev, &safe_ks); 2269 2270 /* set autoneg back to what it currently is */ 2271 copy_ks.base.autoneg = safe_ks.base.autoneg; 2272 /* we don't compare the speed */ 2273 copy_ks.base.speed = safe_ks.base.speed; 2274 2275 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2276 * trying to set something that we do not support. 2277 */ 2278 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2279 err = -EOPNOTSUPP; 2280 goto done; 2281 } 2282 2283 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2284 timeout--; 2285 if (!timeout) { 2286 err = -EBUSY; 2287 goto done; 2288 } 2289 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2290 } 2291 2292 /* Copy the current user PHY configuration. The current user PHY 2293 * configuration is initialized during probe from PHY capabilities 2294 * software mode, and updated on set PHY configuration. 2295 */ 2296 config = pi->phy.curr_user_phy_cfg; 2297 2298 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2299 2300 /* Check autoneg */ 2301 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2302 netdev); 2303 2304 if (err) 2305 goto done; 2306 2307 /* Call to get the current link speed */ 2308 pi->phy.get_link_info = true; 2309 status = ice_get_link_status(pi, &linkup); 2310 if (status) { 2311 err = -EIO; 2312 goto done; 2313 } 2314 2315 curr_link_speed = pi->phy.link_info.link_speed; 2316 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2317 2318 /* If speed didn't get set, set it to what it currently is. 2319 * This is needed because if advertise is 0 (as it is when autoneg 2320 * is disabled) then speed won't get set. 2321 */ 2322 if (!adv_link_speed) 2323 adv_link_speed = curr_link_speed; 2324 2325 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2326 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); 2327 2328 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2329 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2330 goto done; 2331 } 2332 2333 /* save the requested speeds */ 2334 pi->phy.link_info.req_speeds = adv_link_speed; 2335 2336 /* set link and auto negotiation so changes take effect */ 2337 config.caps |= ICE_AQ_PHY_ENA_LINK; 2338 2339 /* check if there is a PHY type for the requested advertised speed */ 2340 if (!(phy_type_low || phy_type_high)) { 2341 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"); 2342 err = -EOPNOTSUPP; 2343 goto done; 2344 } 2345 2346 /* intersect requested advertised speed PHY types with media PHY types 2347 * for set PHY configuration 2348 */ 2349 config.phy_type_high = cpu_to_le64(phy_type_high) & 2350 phy_caps->phy_type_high; 2351 config.phy_type_low = cpu_to_le64(phy_type_low) & 2352 phy_caps->phy_type_low; 2353 2354 if (!(config.phy_type_high || config.phy_type_low)) { 2355 /* If there is no intersection and lenient mode is enabled, then 2356 * intersect the requested advertised speed with NVM media type 2357 * PHY types. 2358 */ 2359 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2360 config.phy_type_high = cpu_to_le64(phy_type_high) & 2361 pf->nvm_phy_type_hi; 2362 config.phy_type_low = cpu_to_le64(phy_type_low) & 2363 pf->nvm_phy_type_lo; 2364 } else { 2365 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"); 2366 err = -EOPNOTSUPP; 2367 goto done; 2368 } 2369 } 2370 2371 /* If link is up put link down */ 2372 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2373 /* Tell the OS link is going down, the link will go 2374 * back up when fw says it is ready asynchronously 2375 */ 2376 ice_print_link_msg(np->vsi, false); 2377 netif_carrier_off(netdev); 2378 netif_tx_stop_all_queues(netdev); 2379 } 2380 2381 /* make the aq call */ 2382 status = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2383 if (status) { 2384 netdev_info(netdev, "Set phy config failed,\n"); 2385 err = -EIO; 2386 goto done; 2387 } 2388 2389 /* Save speed request */ 2390 pi->phy.curr_user_speed_req = adv_link_speed; 2391 done: 2392 kfree(phy_caps); 2393 clear_bit(ICE_CFG_BUSY, pf->state); 2394 2395 return err; 2396 } 2397 2398 /** 2399 * ice_parse_hdrs - parses headers from RSS hash input 2400 * @nfc: ethtool rxnfc command 2401 * 2402 * This function parses the rxnfc command and returns intended 2403 * header types for RSS configuration 2404 */ 2405 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2406 { 2407 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2408 2409 switch (nfc->flow_type) { 2410 case TCP_V4_FLOW: 2411 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2412 break; 2413 case UDP_V4_FLOW: 2414 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2415 break; 2416 case SCTP_V4_FLOW: 2417 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2418 break; 2419 case TCP_V6_FLOW: 2420 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2421 break; 2422 case UDP_V6_FLOW: 2423 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2424 break; 2425 case SCTP_V6_FLOW: 2426 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2427 break; 2428 default: 2429 break; 2430 } 2431 return hdrs; 2432 } 2433 2434 #define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) 2435 #define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) 2436 #define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) 2437 #define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) 2438 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) 2439 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) 2440 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) 2441 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) 2442 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ 2443 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) 2444 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ 2445 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) 2446 2447 /** 2448 * ice_parse_hash_flds - parses hash fields from RSS hash input 2449 * @nfc: ethtool rxnfc command 2450 * 2451 * This function parses the rxnfc command and returns intended 2452 * hash fields for RSS configuration 2453 */ 2454 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) 2455 { 2456 u64 hfld = ICE_HASH_INVALID; 2457 2458 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2459 switch (nfc->flow_type) { 2460 case TCP_V4_FLOW: 2461 case UDP_V4_FLOW: 2462 case SCTP_V4_FLOW: 2463 if (nfc->data & RXH_IP_SRC) 2464 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2465 if (nfc->data & RXH_IP_DST) 2466 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2467 break; 2468 case TCP_V6_FLOW: 2469 case UDP_V6_FLOW: 2470 case SCTP_V6_FLOW: 2471 if (nfc->data & RXH_IP_SRC) 2472 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2473 if (nfc->data & RXH_IP_DST) 2474 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2475 break; 2476 default: 2477 break; 2478 } 2479 } 2480 2481 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2482 switch (nfc->flow_type) { 2483 case TCP_V4_FLOW: 2484 case TCP_V6_FLOW: 2485 if (nfc->data & RXH_L4_B_0_1) 2486 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2487 if (nfc->data & RXH_L4_B_2_3) 2488 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2489 break; 2490 case UDP_V4_FLOW: 2491 case UDP_V6_FLOW: 2492 if (nfc->data & RXH_L4_B_0_1) 2493 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2494 if (nfc->data & RXH_L4_B_2_3) 2495 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2496 break; 2497 case SCTP_V4_FLOW: 2498 case SCTP_V6_FLOW: 2499 if (nfc->data & RXH_L4_B_0_1) 2500 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2501 if (nfc->data & RXH_L4_B_2_3) 2502 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2503 break; 2504 default: 2505 break; 2506 } 2507 } 2508 2509 return hfld; 2510 } 2511 2512 /** 2513 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2514 * @vsi: the VSI being configured 2515 * @nfc: ethtool rxnfc command 2516 * 2517 * Returns Success if the flow input set is supported. 2518 */ 2519 static int 2520 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2521 { 2522 struct ice_pf *pf = vsi->back; 2523 enum ice_status status; 2524 struct device *dev; 2525 u64 hashed_flds; 2526 u32 hdrs; 2527 2528 dev = ice_pf_to_dev(pf); 2529 if (ice_is_safe_mode(pf)) { 2530 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2531 vsi->vsi_num); 2532 return -EINVAL; 2533 } 2534 2535 hashed_flds = ice_parse_hash_flds(nfc); 2536 if (hashed_flds == ICE_HASH_INVALID) { 2537 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2538 vsi->vsi_num); 2539 return -EINVAL; 2540 } 2541 2542 hdrs = ice_parse_hdrs(nfc); 2543 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2544 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2545 vsi->vsi_num); 2546 return -EINVAL; 2547 } 2548 2549 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); 2550 if (status) { 2551 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %s\n", 2552 vsi->vsi_num, ice_stat_str(status)); 2553 return -EINVAL; 2554 } 2555 2556 return 0; 2557 } 2558 2559 /** 2560 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2561 * @vsi: the VSI being configured 2562 * @nfc: ethtool rxnfc command 2563 */ 2564 static void 2565 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2566 { 2567 struct ice_pf *pf = vsi->back; 2568 struct device *dev; 2569 u64 hash_flds; 2570 u32 hdrs; 2571 2572 dev = ice_pf_to_dev(pf); 2573 2574 nfc->data = 0; 2575 if (ice_is_safe_mode(pf)) { 2576 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2577 vsi->vsi_num); 2578 return; 2579 } 2580 2581 hdrs = ice_parse_hdrs(nfc); 2582 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2583 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2584 vsi->vsi_num); 2585 return; 2586 } 2587 2588 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); 2589 if (hash_flds == ICE_HASH_INVALID) { 2590 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2591 vsi->vsi_num); 2592 return; 2593 } 2594 2595 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2596 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2597 nfc->data |= (u64)RXH_IP_SRC; 2598 2599 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2600 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2601 nfc->data |= (u64)RXH_IP_DST; 2602 2603 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2604 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2605 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2606 nfc->data |= (u64)RXH_L4_B_0_1; 2607 2608 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2609 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2610 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2611 nfc->data |= (u64)RXH_L4_B_2_3; 2612 } 2613 2614 /** 2615 * ice_set_rxnfc - command to set Rx flow rules. 2616 * @netdev: network interface device structure 2617 * @cmd: ethtool rxnfc command 2618 * 2619 * Returns 0 for success and negative values for errors 2620 */ 2621 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2622 { 2623 struct ice_netdev_priv *np = netdev_priv(netdev); 2624 struct ice_vsi *vsi = np->vsi; 2625 2626 switch (cmd->cmd) { 2627 case ETHTOOL_SRXCLSRLINS: 2628 return ice_add_fdir_ethtool(vsi, cmd); 2629 case ETHTOOL_SRXCLSRLDEL: 2630 return ice_del_fdir_ethtool(vsi, cmd); 2631 case ETHTOOL_SRXFH: 2632 return ice_set_rss_hash_opt(vsi, cmd); 2633 default: 2634 break; 2635 } 2636 return -EOPNOTSUPP; 2637 } 2638 2639 /** 2640 * ice_get_rxnfc - command to get Rx flow classification rules 2641 * @netdev: network interface device structure 2642 * @cmd: ethtool rxnfc command 2643 * @rule_locs: buffer to rturn Rx flow classification rules 2644 * 2645 * Returns Success if the command is supported. 2646 */ 2647 static int 2648 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2649 u32 __always_unused *rule_locs) 2650 { 2651 struct ice_netdev_priv *np = netdev_priv(netdev); 2652 struct ice_vsi *vsi = np->vsi; 2653 int ret = -EOPNOTSUPP; 2654 struct ice_hw *hw; 2655 2656 hw = &vsi->back->hw; 2657 2658 switch (cmd->cmd) { 2659 case ETHTOOL_GRXRINGS: 2660 cmd->data = vsi->rss_size; 2661 ret = 0; 2662 break; 2663 case ETHTOOL_GRXCLSRLCNT: 2664 cmd->rule_cnt = hw->fdir_active_fltr; 2665 /* report total rule count */ 2666 cmd->data = ice_get_fdir_cnt_all(hw); 2667 ret = 0; 2668 break; 2669 case ETHTOOL_GRXCLSRULE: 2670 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2671 break; 2672 case ETHTOOL_GRXCLSRLALL: 2673 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2674 break; 2675 case ETHTOOL_GRXFH: 2676 ice_get_rss_hash_opt(vsi, cmd); 2677 ret = 0; 2678 break; 2679 default: 2680 break; 2681 } 2682 2683 return ret; 2684 } 2685 2686 static void 2687 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2688 { 2689 struct ice_netdev_priv *np = netdev_priv(netdev); 2690 struct ice_vsi *vsi = np->vsi; 2691 2692 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2693 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2694 ring->rx_pending = vsi->rx_rings[0]->count; 2695 ring->tx_pending = vsi->tx_rings[0]->count; 2696 2697 /* Rx mini and jumbo rings are not supported */ 2698 ring->rx_mini_max_pending = 0; 2699 ring->rx_jumbo_max_pending = 0; 2700 ring->rx_mini_pending = 0; 2701 ring->rx_jumbo_pending = 0; 2702 } 2703 2704 static int 2705 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2706 { 2707 struct ice_netdev_priv *np = netdev_priv(netdev); 2708 struct ice_tx_ring *xdp_rings = NULL; 2709 struct ice_tx_ring *tx_rings = NULL; 2710 struct ice_rx_ring *rx_rings = NULL; 2711 struct ice_vsi *vsi = np->vsi; 2712 struct ice_pf *pf = vsi->back; 2713 int i, timeout = 50, err = 0; 2714 u16 new_rx_cnt, new_tx_cnt; 2715 2716 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2717 ring->tx_pending < ICE_MIN_NUM_DESC || 2718 ring->rx_pending > ICE_MAX_NUM_DESC || 2719 ring->rx_pending < ICE_MIN_NUM_DESC) { 2720 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2721 ring->tx_pending, ring->rx_pending, 2722 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2723 ICE_REQ_DESC_MULTIPLE); 2724 return -EINVAL; 2725 } 2726 2727 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2728 if (new_tx_cnt != ring->tx_pending) 2729 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2730 new_tx_cnt); 2731 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2732 if (new_rx_cnt != ring->rx_pending) 2733 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2734 new_rx_cnt); 2735 2736 /* if nothing to do return success */ 2737 if (new_tx_cnt == vsi->tx_rings[0]->count && 2738 new_rx_cnt == vsi->rx_rings[0]->count) { 2739 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2740 return 0; 2741 } 2742 2743 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2744 * disallow changing the number of descriptors -- regardless 2745 * if the netdev is running or not. 2746 */ 2747 if (ice_xsk_any_rx_ring_ena(vsi)) 2748 return -EBUSY; 2749 2750 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2751 timeout--; 2752 if (!timeout) 2753 return -EBUSY; 2754 usleep_range(1000, 2000); 2755 } 2756 2757 /* set for the next time the netdev is started */ 2758 if (!netif_running(vsi->netdev)) { 2759 ice_for_each_alloc_txq(vsi, i) 2760 vsi->tx_rings[i]->count = new_tx_cnt; 2761 ice_for_each_alloc_rxq(vsi, i) 2762 vsi->rx_rings[i]->count = new_rx_cnt; 2763 if (ice_is_xdp_ena_vsi(vsi)) 2764 ice_for_each_xdp_txq(vsi, i) 2765 vsi->xdp_rings[i]->count = new_tx_cnt; 2766 vsi->num_tx_desc = (u16)new_tx_cnt; 2767 vsi->num_rx_desc = (u16)new_rx_cnt; 2768 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2769 goto done; 2770 } 2771 2772 if (new_tx_cnt == vsi->tx_rings[0]->count) 2773 goto process_rx; 2774 2775 /* alloc updated Tx resources */ 2776 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2777 vsi->tx_rings[0]->count, new_tx_cnt); 2778 2779 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2780 if (!tx_rings) { 2781 err = -ENOMEM; 2782 goto done; 2783 } 2784 2785 ice_for_each_txq(vsi, i) { 2786 /* clone ring and setup updated count */ 2787 tx_rings[i] = *vsi->tx_rings[i]; 2788 tx_rings[i].count = new_tx_cnt; 2789 tx_rings[i].desc = NULL; 2790 tx_rings[i].tx_buf = NULL; 2791 err = ice_setup_tx_ring(&tx_rings[i]); 2792 if (err) { 2793 while (i--) 2794 ice_clean_tx_ring(&tx_rings[i]); 2795 kfree(tx_rings); 2796 goto done; 2797 } 2798 } 2799 2800 if (!ice_is_xdp_ena_vsi(vsi)) 2801 goto process_rx; 2802 2803 /* alloc updated XDP resources */ 2804 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2805 vsi->xdp_rings[0]->count, new_tx_cnt); 2806 2807 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2808 if (!xdp_rings) { 2809 err = -ENOMEM; 2810 goto free_tx; 2811 } 2812 2813 ice_for_each_xdp_txq(vsi, i) { 2814 /* clone ring and setup updated count */ 2815 xdp_rings[i] = *vsi->xdp_rings[i]; 2816 xdp_rings[i].count = new_tx_cnt; 2817 xdp_rings[i].desc = NULL; 2818 xdp_rings[i].tx_buf = NULL; 2819 err = ice_setup_tx_ring(&xdp_rings[i]); 2820 if (err) { 2821 while (i--) 2822 ice_clean_tx_ring(&xdp_rings[i]); 2823 kfree(xdp_rings); 2824 goto free_tx; 2825 } 2826 ice_set_ring_xdp(&xdp_rings[i]); 2827 } 2828 2829 process_rx: 2830 if (new_rx_cnt == vsi->rx_rings[0]->count) 2831 goto process_link; 2832 2833 /* alloc updated Rx resources */ 2834 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2835 vsi->rx_rings[0]->count, new_rx_cnt); 2836 2837 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2838 if (!rx_rings) { 2839 err = -ENOMEM; 2840 goto done; 2841 } 2842 2843 ice_for_each_rxq(vsi, i) { 2844 /* clone ring and setup updated count */ 2845 rx_rings[i] = *vsi->rx_rings[i]; 2846 rx_rings[i].count = new_rx_cnt; 2847 rx_rings[i].desc = NULL; 2848 rx_rings[i].rx_buf = NULL; 2849 /* this is to allow wr32 to have something to write to 2850 * during early allocation of Rx buffers 2851 */ 2852 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2853 2854 err = ice_setup_rx_ring(&rx_rings[i]); 2855 if (err) 2856 goto rx_unwind; 2857 2858 /* allocate Rx buffers */ 2859 err = ice_alloc_rx_bufs(&rx_rings[i], 2860 ICE_DESC_UNUSED(&rx_rings[i])); 2861 rx_unwind: 2862 if (err) { 2863 while (i) { 2864 i--; 2865 ice_free_rx_ring(&rx_rings[i]); 2866 } 2867 kfree(rx_rings); 2868 err = -ENOMEM; 2869 goto free_tx; 2870 } 2871 } 2872 2873 process_link: 2874 /* Bring interface down, copy in the new ring info, then restore the 2875 * interface. if VSI is up, bring it down and then back up 2876 */ 2877 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 2878 ice_down(vsi); 2879 2880 if (tx_rings) { 2881 ice_for_each_txq(vsi, i) { 2882 ice_free_tx_ring(vsi->tx_rings[i]); 2883 *vsi->tx_rings[i] = tx_rings[i]; 2884 } 2885 kfree(tx_rings); 2886 } 2887 2888 if (rx_rings) { 2889 ice_for_each_rxq(vsi, i) { 2890 ice_free_rx_ring(vsi->rx_rings[i]); 2891 /* copy the real tail offset */ 2892 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2893 /* this is to fake out the allocation routine 2894 * into thinking it has to realloc everything 2895 * but the recycling logic will let us re-use 2896 * the buffers allocated above 2897 */ 2898 rx_rings[i].next_to_use = 0; 2899 rx_rings[i].next_to_clean = 0; 2900 rx_rings[i].next_to_alloc = 0; 2901 *vsi->rx_rings[i] = rx_rings[i]; 2902 } 2903 kfree(rx_rings); 2904 } 2905 2906 if (xdp_rings) { 2907 ice_for_each_xdp_txq(vsi, i) { 2908 ice_free_tx_ring(vsi->xdp_rings[i]); 2909 *vsi->xdp_rings[i] = xdp_rings[i]; 2910 } 2911 kfree(xdp_rings); 2912 } 2913 2914 vsi->num_tx_desc = new_tx_cnt; 2915 vsi->num_rx_desc = new_rx_cnt; 2916 ice_up(vsi); 2917 } 2918 goto done; 2919 2920 free_tx: 2921 /* error cleanup if the Rx allocations failed after getting Tx */ 2922 if (tx_rings) { 2923 ice_for_each_txq(vsi, i) 2924 ice_free_tx_ring(&tx_rings[i]); 2925 kfree(tx_rings); 2926 } 2927 2928 done: 2929 clear_bit(ICE_CFG_BUSY, pf->state); 2930 return err; 2931 } 2932 2933 /** 2934 * ice_get_pauseparam - Get Flow Control status 2935 * @netdev: network interface device structure 2936 * @pause: ethernet pause (flow control) parameters 2937 * 2938 * Get requested flow control status from PHY capability. 2939 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2940 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2941 * the negotiated Rx/Tx pause via lp_advertising. 2942 */ 2943 static void 2944 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2945 { 2946 struct ice_netdev_priv *np = netdev_priv(netdev); 2947 struct ice_port_info *pi = np->vsi->port_info; 2948 struct ice_aqc_get_phy_caps_data *pcaps; 2949 struct ice_dcbx_cfg *dcbx_cfg; 2950 enum ice_status status; 2951 2952 /* Initialize pause params */ 2953 pause->rx_pause = 0; 2954 pause->tx_pause = 0; 2955 2956 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 2957 2958 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2959 if (!pcaps) 2960 return; 2961 2962 /* Get current PHY config */ 2963 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 2964 NULL); 2965 if (status) 2966 goto out; 2967 2968 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 2969 AUTONEG_DISABLE; 2970 2971 if (dcbx_cfg->pfc.pfcena) 2972 /* PFC enabled so report LFC as off */ 2973 goto out; 2974 2975 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 2976 pause->tx_pause = 1; 2977 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 2978 pause->rx_pause = 1; 2979 2980 out: 2981 kfree(pcaps); 2982 } 2983 2984 /** 2985 * ice_set_pauseparam - Set Flow Control parameter 2986 * @netdev: network interface device structure 2987 * @pause: return Tx/Rx flow control status 2988 */ 2989 static int 2990 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2991 { 2992 struct ice_netdev_priv *np = netdev_priv(netdev); 2993 struct ice_aqc_get_phy_caps_data *pcaps; 2994 struct ice_link_status *hw_link_info; 2995 struct ice_pf *pf = np->vsi->back; 2996 struct ice_dcbx_cfg *dcbx_cfg; 2997 struct ice_vsi *vsi = np->vsi; 2998 struct ice_hw *hw = &pf->hw; 2999 struct ice_port_info *pi; 3000 enum ice_status status; 3001 u8 aq_failures; 3002 bool link_up; 3003 int err = 0; 3004 u32 is_an; 3005 3006 pi = vsi->port_info; 3007 hw_link_info = &pi->phy.link_info; 3008 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3009 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3010 3011 /* Changing the port's flow control is not supported if this isn't the 3012 * PF VSI 3013 */ 3014 if (vsi->type != ICE_VSI_PF) { 3015 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3016 return -EOPNOTSUPP; 3017 } 3018 3019 /* Get pause param reports configured and negotiated flow control pause 3020 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3021 * defined get pause param pause->autoneg reports SW configured setting, 3022 * so compare pause->autoneg with SW configured to prevent the user from 3023 * using set pause param to chance autoneg. 3024 */ 3025 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3026 if (!pcaps) 3027 return -ENOMEM; 3028 3029 /* Get current PHY config */ 3030 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3031 NULL); 3032 if (status) { 3033 kfree(pcaps); 3034 return -EIO; 3035 } 3036 3037 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3038 AUTONEG_DISABLE; 3039 3040 kfree(pcaps); 3041 3042 if (pause->autoneg != is_an) { 3043 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3044 return -EOPNOTSUPP; 3045 } 3046 3047 /* If we have link and don't have autoneg */ 3048 if (!test_bit(ICE_DOWN, pf->state) && 3049 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3050 /* Send message that it might not necessarily work*/ 3051 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3052 } 3053 3054 if (dcbx_cfg->pfc.pfcena) { 3055 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3056 return -EOPNOTSUPP; 3057 } 3058 if (pause->rx_pause && pause->tx_pause) 3059 pi->fc.req_mode = ICE_FC_FULL; 3060 else if (pause->rx_pause && !pause->tx_pause) 3061 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3062 else if (!pause->rx_pause && pause->tx_pause) 3063 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3064 else if (!pause->rx_pause && !pause->tx_pause) 3065 pi->fc.req_mode = ICE_FC_NONE; 3066 else 3067 return -EINVAL; 3068 3069 /* Set the FC mode and only restart AN if link is up */ 3070 status = ice_set_fc(pi, &aq_failures, link_up); 3071 3072 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3073 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 3074 ice_stat_str(status), 3075 ice_aq_str(hw->adminq.sq_last_status)); 3076 err = -EAGAIN; 3077 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3078 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 3079 ice_stat_str(status), 3080 ice_aq_str(hw->adminq.sq_last_status)); 3081 err = -EAGAIN; 3082 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3083 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 3084 ice_stat_str(status), 3085 ice_aq_str(hw->adminq.sq_last_status)); 3086 err = -EAGAIN; 3087 } 3088 3089 return err; 3090 } 3091 3092 /** 3093 * ice_get_rxfh_key_size - get the RSS hash key size 3094 * @netdev: network interface device structure 3095 * 3096 * Returns the table size. 3097 */ 3098 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3099 { 3100 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3101 } 3102 3103 /** 3104 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3105 * @netdev: network interface device structure 3106 * 3107 * Returns the table size. 3108 */ 3109 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3110 { 3111 struct ice_netdev_priv *np = netdev_priv(netdev); 3112 3113 return np->vsi->rss_table_size; 3114 } 3115 3116 /** 3117 * ice_get_rxfh - get the Rx flow hash indirection table 3118 * @netdev: network interface device structure 3119 * @indir: indirection table 3120 * @key: hash key 3121 * @hfunc: hash function 3122 * 3123 * Reads the indirection table directly from the hardware. 3124 */ 3125 static int 3126 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3127 { 3128 struct ice_netdev_priv *np = netdev_priv(netdev); 3129 struct ice_vsi *vsi = np->vsi; 3130 struct ice_pf *pf = vsi->back; 3131 int err, i; 3132 u8 *lut; 3133 3134 if (hfunc) 3135 *hfunc = ETH_RSS_HASH_TOP; 3136 3137 if (!indir) 3138 return 0; 3139 3140 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3141 /* RSS not supported return error here */ 3142 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3143 return -EIO; 3144 } 3145 3146 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3147 if (!lut) 3148 return -ENOMEM; 3149 3150 err = ice_get_rss_key(vsi, key); 3151 if (err) 3152 goto out; 3153 3154 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size); 3155 if (err) 3156 goto out; 3157 3158 for (i = 0; i < vsi->rss_table_size; i++) 3159 indir[i] = (u32)(lut[i]); 3160 3161 out: 3162 kfree(lut); 3163 return err; 3164 } 3165 3166 /** 3167 * ice_set_rxfh - set the Rx flow hash indirection table 3168 * @netdev: network interface device structure 3169 * @indir: indirection table 3170 * @key: hash key 3171 * @hfunc: hash function 3172 * 3173 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3174 * returns 0 after programming the table. 3175 */ 3176 static int 3177 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3178 const u8 hfunc) 3179 { 3180 struct ice_netdev_priv *np = netdev_priv(netdev); 3181 struct ice_vsi *vsi = np->vsi; 3182 struct ice_pf *pf = vsi->back; 3183 struct device *dev; 3184 int err; 3185 3186 dev = ice_pf_to_dev(pf); 3187 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3188 return -EOPNOTSUPP; 3189 3190 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3191 /* RSS not supported return error here */ 3192 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3193 return -EIO; 3194 } 3195 3196 if (key) { 3197 if (!vsi->rss_hkey_user) { 3198 vsi->rss_hkey_user = 3199 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3200 GFP_KERNEL); 3201 if (!vsi->rss_hkey_user) 3202 return -ENOMEM; 3203 } 3204 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3205 3206 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3207 if (err) 3208 return err; 3209 } 3210 3211 if (!vsi->rss_lut_user) { 3212 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3213 GFP_KERNEL); 3214 if (!vsi->rss_lut_user) 3215 return -ENOMEM; 3216 } 3217 3218 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3219 if (indir) { 3220 int i; 3221 3222 for (i = 0; i < vsi->rss_table_size; i++) 3223 vsi->rss_lut_user[i] = (u8)(indir[i]); 3224 } else { 3225 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3226 vsi->rss_size); 3227 } 3228 3229 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3230 if (err) 3231 return err; 3232 3233 return 0; 3234 } 3235 3236 static int 3237 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) 3238 { 3239 struct ice_pf *pf = ice_netdev_to_pf(dev); 3240 3241 /* only report timestamping if PTP is enabled */ 3242 if (!test_bit(ICE_FLAG_PTP, pf->flags)) 3243 return ethtool_op_get_ts_info(dev, info); 3244 3245 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3246 SOF_TIMESTAMPING_RX_SOFTWARE | 3247 SOF_TIMESTAMPING_SOFTWARE | 3248 SOF_TIMESTAMPING_TX_HARDWARE | 3249 SOF_TIMESTAMPING_RX_HARDWARE | 3250 SOF_TIMESTAMPING_RAW_HARDWARE; 3251 3252 info->phc_index = ice_get_ptp_clock_index(pf); 3253 3254 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3255 3256 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3257 3258 return 0; 3259 } 3260 3261 /** 3262 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3263 * @pf: PF structure 3264 */ 3265 static int ice_get_max_txq(struct ice_pf *pf) 3266 { 3267 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3268 (u16)pf->hw.func_caps.common_cap.num_txq); 3269 } 3270 3271 /** 3272 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3273 * @pf: PF structure 3274 */ 3275 static int ice_get_max_rxq(struct ice_pf *pf) 3276 { 3277 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3278 (u16)pf->hw.func_caps.common_cap.num_rxq); 3279 } 3280 3281 /** 3282 * ice_get_combined_cnt - return the current number of combined channels 3283 * @vsi: PF VSI pointer 3284 * 3285 * Go through all queue vectors and count ones that have both Rx and Tx ring 3286 * attached 3287 */ 3288 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3289 { 3290 u32 combined = 0; 3291 int q_idx; 3292 3293 ice_for_each_q_vector(vsi, q_idx) { 3294 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3295 3296 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring) 3297 combined++; 3298 } 3299 3300 return combined; 3301 } 3302 3303 /** 3304 * ice_get_channels - get the current and max supported channels 3305 * @dev: network interface device structure 3306 * @ch: ethtool channel data structure 3307 */ 3308 static void 3309 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3310 { 3311 struct ice_netdev_priv *np = netdev_priv(dev); 3312 struct ice_vsi *vsi = np->vsi; 3313 struct ice_pf *pf = vsi->back; 3314 3315 /* report maximum channels */ 3316 ch->max_rx = ice_get_max_rxq(pf); 3317 ch->max_tx = ice_get_max_txq(pf); 3318 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3319 3320 /* report current channels */ 3321 ch->combined_count = ice_get_combined_cnt(vsi); 3322 ch->rx_count = vsi->num_rxq - ch->combined_count; 3323 ch->tx_count = vsi->num_txq - ch->combined_count; 3324 3325 /* report other queues */ 3326 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3327 ch->max_other = ch->other_count; 3328 } 3329 3330 /** 3331 * ice_get_valid_rss_size - return valid number of RSS queues 3332 * @hw: pointer to the HW structure 3333 * @new_size: requested RSS queues 3334 */ 3335 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3336 { 3337 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3338 3339 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3340 } 3341 3342 /** 3343 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3344 * @vsi: VSI to reconfigure RSS LUT on 3345 * @req_rss_size: requested range of queue numbers for hashing 3346 * 3347 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3348 */ 3349 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3350 { 3351 struct ice_pf *pf = vsi->back; 3352 struct device *dev; 3353 struct ice_hw *hw; 3354 int err; 3355 u8 *lut; 3356 3357 dev = ice_pf_to_dev(pf); 3358 hw = &pf->hw; 3359 3360 if (!req_rss_size) 3361 return -EINVAL; 3362 3363 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3364 if (!lut) 3365 return -ENOMEM; 3366 3367 /* set RSS LUT parameters */ 3368 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3369 vsi->rss_size = 1; 3370 else 3371 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3372 3373 /* create/set RSS LUT */ 3374 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3375 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3376 if (err) 3377 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3378 ice_aq_str(hw->adminq.sq_last_status)); 3379 3380 kfree(lut); 3381 return err; 3382 } 3383 3384 /** 3385 * ice_set_channels - set the number channels 3386 * @dev: network interface device structure 3387 * @ch: ethtool channel data structure 3388 */ 3389 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3390 { 3391 struct ice_netdev_priv *np = netdev_priv(dev); 3392 struct ice_vsi *vsi = np->vsi; 3393 struct ice_pf *pf = vsi->back; 3394 int new_rx = 0, new_tx = 0; 3395 u32 curr_combined; 3396 3397 /* do not support changing channels in Safe Mode */ 3398 if (ice_is_safe_mode(pf)) { 3399 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3400 return -EOPNOTSUPP; 3401 } 3402 /* do not support changing other_count */ 3403 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3404 return -EINVAL; 3405 3406 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3407 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3408 return -EOPNOTSUPP; 3409 } 3410 3411 curr_combined = ice_get_combined_cnt(vsi); 3412 3413 /* these checks are for cases where user didn't specify a particular 3414 * value on cmd line but we get non-zero value anyway via 3415 * get_channels(); look at ethtool.c in ethtool repository (the user 3416 * space part), particularly, do_schannels() routine 3417 */ 3418 if (ch->rx_count == vsi->num_rxq - curr_combined) 3419 ch->rx_count = 0; 3420 if (ch->tx_count == vsi->num_txq - curr_combined) 3421 ch->tx_count = 0; 3422 if (ch->combined_count == curr_combined) 3423 ch->combined_count = 0; 3424 3425 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3426 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3427 return -EINVAL; 3428 } 3429 3430 new_rx = ch->combined_count + ch->rx_count; 3431 new_tx = ch->combined_count + ch->tx_count; 3432 3433 if (new_rx > ice_get_max_rxq(pf)) { 3434 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3435 ice_get_max_rxq(pf)); 3436 return -EINVAL; 3437 } 3438 if (new_tx > ice_get_max_txq(pf)) { 3439 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3440 ice_get_max_txq(pf)); 3441 return -EINVAL; 3442 } 3443 3444 ice_vsi_recfg_qs(vsi, new_rx, new_tx); 3445 3446 if (!netif_is_rxfh_configured(dev)) 3447 return ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3448 3449 /* Update rss_size due to change in Rx queues */ 3450 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3451 3452 return 0; 3453 } 3454 3455 /** 3456 * ice_get_wol - get current Wake on LAN configuration 3457 * @netdev: network interface device structure 3458 * @wol: Ethtool structure to retrieve WoL settings 3459 */ 3460 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3461 { 3462 struct ice_netdev_priv *np = netdev_priv(netdev); 3463 struct ice_pf *pf = np->vsi->back; 3464 3465 if (np->vsi->type != ICE_VSI_PF) 3466 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3467 3468 /* Get WoL settings based on the HW capability */ 3469 if (ice_is_wol_supported(&pf->hw)) { 3470 wol->supported = WAKE_MAGIC; 3471 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3472 } else { 3473 wol->supported = 0; 3474 wol->wolopts = 0; 3475 } 3476 } 3477 3478 /** 3479 * ice_set_wol - set Wake on LAN on supported device 3480 * @netdev: network interface device structure 3481 * @wol: Ethtool structure to set WoL 3482 */ 3483 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3484 { 3485 struct ice_netdev_priv *np = netdev_priv(netdev); 3486 struct ice_vsi *vsi = np->vsi; 3487 struct ice_pf *pf = vsi->back; 3488 3489 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 3490 return -EOPNOTSUPP; 3491 3492 /* only magic packet is supported */ 3493 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3494 return -EOPNOTSUPP; 3495 3496 /* Set WoL only if there is a new value */ 3497 if (pf->wol_ena != !!wol->wolopts) { 3498 pf->wol_ena = !!wol->wolopts; 3499 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3500 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3501 pf->wol_ena ? "en" : "dis"); 3502 } 3503 3504 return 0; 3505 } 3506 3507 /** 3508 * ice_get_rc_coalesce - get ITR values for specific ring container 3509 * @ec: ethtool structure to fill with driver's coalesce settings 3510 * @rc: ring container that the ITR values will come from 3511 * 3512 * Query the device for ice_ring_container specific ITR values. This is 3513 * done per ice_ring_container because each q_vector can have 1 or more rings 3514 * and all of said ring(s) will have the same ITR values. 3515 * 3516 * Returns 0 on success, negative otherwise. 3517 */ 3518 static int 3519 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc) 3520 { 3521 if (!rc->rx_ring) 3522 return -EINVAL; 3523 3524 switch (rc->type) { 3525 case ICE_RX_CONTAINER: 3526 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 3527 ec->rx_coalesce_usecs = rc->itr_setting; 3528 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl; 3529 break; 3530 case ICE_TX_CONTAINER: 3531 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 3532 ec->tx_coalesce_usecs = rc->itr_setting; 3533 break; 3534 default: 3535 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type); 3536 return -EINVAL; 3537 } 3538 3539 return 0; 3540 } 3541 3542 /** 3543 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3544 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3545 * @ec: coalesce settings to program the device with 3546 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3547 * 3548 * Return 0 on success, and negative under the following conditions: 3549 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3550 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3551 */ 3552 static int 3553 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3554 { 3555 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3556 if (ice_get_rc_coalesce(ec, 3557 &vsi->rx_rings[q_num]->q_vector->rx)) 3558 return -EINVAL; 3559 if (ice_get_rc_coalesce(ec, 3560 &vsi->tx_rings[q_num]->q_vector->tx)) 3561 return -EINVAL; 3562 } else if (q_num < vsi->num_rxq) { 3563 if (ice_get_rc_coalesce(ec, 3564 &vsi->rx_rings[q_num]->q_vector->rx)) 3565 return -EINVAL; 3566 } else if (q_num < vsi->num_txq) { 3567 if (ice_get_rc_coalesce(ec, 3568 &vsi->tx_rings[q_num]->q_vector->tx)) 3569 return -EINVAL; 3570 } else { 3571 return -EINVAL; 3572 } 3573 3574 return 0; 3575 } 3576 3577 /** 3578 * __ice_get_coalesce - get ITR/INTRL values for the device 3579 * @netdev: pointer to the netdev associated with this query 3580 * @ec: ethtool structure to fill with driver's coalesce settings 3581 * @q_num: queue number to get the coalesce settings for 3582 * 3583 * If the caller passes in a negative q_num then we return coalesce settings 3584 * based on queue number 0, else use the actual q_num passed in. 3585 */ 3586 static int 3587 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3588 int q_num) 3589 { 3590 struct ice_netdev_priv *np = netdev_priv(netdev); 3591 struct ice_vsi *vsi = np->vsi; 3592 3593 if (q_num < 0) 3594 q_num = 0; 3595 3596 if (ice_get_q_coalesce(vsi, ec, q_num)) 3597 return -EINVAL; 3598 3599 return 0; 3600 } 3601 3602 static int ice_get_coalesce(struct net_device *netdev, 3603 struct ethtool_coalesce *ec, 3604 struct kernel_ethtool_coalesce *kernel_coal, 3605 struct netlink_ext_ack *extack) 3606 { 3607 return __ice_get_coalesce(netdev, ec, -1); 3608 } 3609 3610 static int 3611 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3612 struct ethtool_coalesce *ec) 3613 { 3614 return __ice_get_coalesce(netdev, ec, q_num); 3615 } 3616 3617 /** 3618 * ice_set_rc_coalesce - set ITR values for specific ring container 3619 * @ec: ethtool structure from user to update ITR settings 3620 * @rc: ring container that the ITR values will come from 3621 * @vsi: VSI associated to the ring container 3622 * 3623 * Set specific ITR values. This is done per ice_ring_container because each 3624 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3625 * ITR values. 3626 * 3627 * Returns 0 on success, negative otherwise. 3628 */ 3629 static int 3630 ice_set_rc_coalesce(struct ethtool_coalesce *ec, 3631 struct ice_ring_container *rc, struct ice_vsi *vsi) 3632 { 3633 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3634 u32 use_adaptive_coalesce, coalesce_usecs; 3635 struct ice_pf *pf = vsi->back; 3636 u16 itr_setting; 3637 3638 if (!rc->rx_ring) 3639 return -EINVAL; 3640 3641 switch (rc->type) { 3642 case ICE_RX_CONTAINER: 3643 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3644 (ec->rx_coalesce_usecs_high && 3645 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3646 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3647 c_type_str, pf->hw.intrl_gran, 3648 ICE_MAX_INTRL); 3649 return -EINVAL; 3650 } 3651 if (ec->rx_coalesce_usecs_high != rc->rx_ring->q_vector->intrl && 3652 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 3653 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 3654 c_type_str); 3655 return -EINVAL; 3656 } 3657 if (ec->rx_coalesce_usecs_high != rc->rx_ring->q_vector->intrl) { 3658 rc->rx_ring->q_vector->intrl = ec->rx_coalesce_usecs_high; 3659 ice_write_intrl(rc->rx_ring->q_vector, 3660 ec->rx_coalesce_usecs_high); 3661 } 3662 3663 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3664 coalesce_usecs = ec->rx_coalesce_usecs; 3665 3666 break; 3667 case ICE_TX_CONTAINER: 3668 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3669 coalesce_usecs = ec->tx_coalesce_usecs; 3670 3671 break; 3672 default: 3673 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3674 rc->type); 3675 return -EINVAL; 3676 } 3677 3678 itr_setting = rc->itr_setting; 3679 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3680 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3681 c_type_str, c_type_str); 3682 return -EINVAL; 3683 } 3684 3685 if (coalesce_usecs > ICE_ITR_MAX) { 3686 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3687 c_type_str, ICE_ITR_MAX); 3688 return -EINVAL; 3689 } 3690 3691 if (use_adaptive_coalesce) { 3692 rc->itr_mode = ITR_DYNAMIC; 3693 } else { 3694 rc->itr_mode = ITR_STATIC; 3695 /* store user facing value how it was set */ 3696 rc->itr_setting = coalesce_usecs; 3697 /* write the change to the register */ 3698 ice_write_itr(rc, coalesce_usecs); 3699 /* force writes to take effect immediately, the flush shouldn't 3700 * be done in the functions above because the intent is for 3701 * them to do lazy writes. 3702 */ 3703 ice_flush(&pf->hw); 3704 } 3705 3706 return 0; 3707 } 3708 3709 /** 3710 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3711 * @vsi: VSI associated to the queue that need updating 3712 * @ec: coalesce settings to program the device with 3713 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3714 * 3715 * Return 0 on success, and negative under the following conditions: 3716 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3717 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3718 */ 3719 static int 3720 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3721 { 3722 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3723 if (ice_set_rc_coalesce(ec, 3724 &vsi->rx_rings[q_num]->q_vector->rx, 3725 vsi)) 3726 return -EINVAL; 3727 3728 if (ice_set_rc_coalesce(ec, 3729 &vsi->tx_rings[q_num]->q_vector->tx, 3730 vsi)) 3731 return -EINVAL; 3732 } else if (q_num < vsi->num_rxq) { 3733 if (ice_set_rc_coalesce(ec, 3734 &vsi->rx_rings[q_num]->q_vector->rx, 3735 vsi)) 3736 return -EINVAL; 3737 } else if (q_num < vsi->num_txq) { 3738 if (ice_set_rc_coalesce(ec, 3739 &vsi->tx_rings[q_num]->q_vector->tx, 3740 vsi)) 3741 return -EINVAL; 3742 } else { 3743 return -EINVAL; 3744 } 3745 3746 return 0; 3747 } 3748 3749 /** 3750 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3751 * @netdev: netdev used for print 3752 * @itr_setting: previous user setting 3753 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3754 * @coalesce_usecs: requested value of [tx|rx]-usecs 3755 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3756 */ 3757 static void 3758 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3759 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3760 const char *c_type_str) 3761 { 3762 if (use_adaptive_coalesce) 3763 return; 3764 3765 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3766 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", 3767 c_type_str, coalesce_usecs, c_type_str, 3768 ITR_REG_ALIGN(coalesce_usecs)); 3769 } 3770 3771 /** 3772 * __ice_set_coalesce - set ITR/INTRL values for the device 3773 * @netdev: pointer to the netdev associated with this query 3774 * @ec: ethtool structure to fill with driver's coalesce settings 3775 * @q_num: queue number to get the coalesce settings for 3776 * 3777 * If the caller passes in a negative q_num then we set the coalesce settings 3778 * for all Tx/Rx queues, else use the actual q_num passed in. 3779 */ 3780 static int 3781 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3782 int q_num) 3783 { 3784 struct ice_netdev_priv *np = netdev_priv(netdev); 3785 struct ice_vsi *vsi = np->vsi; 3786 3787 if (q_num < 0) { 3788 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3789 int v_idx; 3790 3791 if (q_vector) { 3792 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3793 ec->use_adaptive_rx_coalesce, 3794 ec->rx_coalesce_usecs, "rx"); 3795 3796 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3797 ec->use_adaptive_tx_coalesce, 3798 ec->tx_coalesce_usecs, "tx"); 3799 } 3800 3801 ice_for_each_q_vector(vsi, v_idx) { 3802 /* In some cases if DCB is configured the num_[rx|tx]q 3803 * can be less than vsi->num_q_vectors. This check 3804 * accounts for that so we don't report a false failure 3805 */ 3806 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3807 goto set_complete; 3808 3809 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3810 return -EINVAL; 3811 } 3812 goto set_complete; 3813 } 3814 3815 if (ice_set_q_coalesce(vsi, ec, q_num)) 3816 return -EINVAL; 3817 3818 set_complete: 3819 return 0; 3820 } 3821 3822 static int ice_set_coalesce(struct net_device *netdev, 3823 struct ethtool_coalesce *ec, 3824 struct kernel_ethtool_coalesce *kernel_coal, 3825 struct netlink_ext_ack *extack) 3826 { 3827 return __ice_set_coalesce(netdev, ec, -1); 3828 } 3829 3830 static int 3831 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3832 struct ethtool_coalesce *ec) 3833 { 3834 return __ice_set_coalesce(netdev, ec, q_num); 3835 } 3836 3837 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 3838 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 3839 #define ICE_MODULE_TYPE_SFP 0x03 3840 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 3841 #define ICE_MODULE_TYPE_QSFP28 0x11 3842 #define ICE_MODULE_SFF_ADDR_MODE 0x04 3843 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 3844 #define ICE_MODULE_REVISION_ADDR 0x01 3845 #define ICE_MODULE_SFF_8472_COMP 0x5E 3846 #define ICE_MODULE_SFF_8472_SWAP 0x5C 3847 #define ICE_MODULE_QSFP_MAX_LEN 640 3848 3849 /** 3850 * ice_get_module_info - get SFF module type and revision information 3851 * @netdev: network interface device structure 3852 * @modinfo: module EEPROM size and layout information structure 3853 */ 3854 static int 3855 ice_get_module_info(struct net_device *netdev, 3856 struct ethtool_modinfo *modinfo) 3857 { 3858 struct ice_netdev_priv *np = netdev_priv(netdev); 3859 struct ice_vsi *vsi = np->vsi; 3860 struct ice_pf *pf = vsi->back; 3861 struct ice_hw *hw = &pf->hw; 3862 enum ice_status status; 3863 u8 sff8472_comp = 0; 3864 u8 sff8472_swap = 0; 3865 u8 sff8636_rev = 0; 3866 u8 value = 0; 3867 3868 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 3869 0, &value, 1, 0, NULL); 3870 if (status) 3871 return -EIO; 3872 3873 switch (value) { 3874 case ICE_MODULE_TYPE_SFP: 3875 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3876 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 3877 &sff8472_comp, 1, 0, NULL); 3878 if (status) 3879 return -EIO; 3880 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3881 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 3882 &sff8472_swap, 1, 0, NULL); 3883 if (status) 3884 return -EIO; 3885 3886 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 3887 modinfo->type = ETH_MODULE_SFF_8079; 3888 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3889 } else if (sff8472_comp && 3890 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 3891 modinfo->type = ETH_MODULE_SFF_8472; 3892 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 3893 } else { 3894 modinfo->type = ETH_MODULE_SFF_8079; 3895 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3896 } 3897 break; 3898 case ICE_MODULE_TYPE_QSFP_PLUS: 3899 case ICE_MODULE_TYPE_QSFP28: 3900 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3901 ICE_MODULE_REVISION_ADDR, 0x00, 0, 3902 &sff8636_rev, 1, 0, NULL); 3903 if (status) 3904 return -EIO; 3905 /* Check revision compliance */ 3906 if (sff8636_rev > 0x02) { 3907 /* Module is SFF-8636 compliant */ 3908 modinfo->type = ETH_MODULE_SFF_8636; 3909 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3910 } else { 3911 modinfo->type = ETH_MODULE_SFF_8436; 3912 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3913 } 3914 break; 3915 default: 3916 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 3917 return -EINVAL; 3918 } 3919 return 0; 3920 } 3921 3922 /** 3923 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 3924 * @netdev: network interface device structure 3925 * @ee: EEPROM dump request structure 3926 * @data: buffer to be filled with EEPROM contents 3927 */ 3928 static int 3929 ice_get_module_eeprom(struct net_device *netdev, 3930 struct ethtool_eeprom *ee, u8 *data) 3931 { 3932 struct ice_netdev_priv *np = netdev_priv(netdev); 3933 #define SFF_READ_BLOCK_SIZE 8 3934 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 3935 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 3936 struct ice_vsi *vsi = np->vsi; 3937 struct ice_pf *pf = vsi->back; 3938 struct ice_hw *hw = &pf->hw; 3939 enum ice_status status; 3940 bool is_sfp = false; 3941 unsigned int i, j; 3942 u16 offset = 0; 3943 u8 page = 0; 3944 3945 if (!ee || !ee->len || !data) 3946 return -EINVAL; 3947 3948 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 3949 NULL); 3950 if (status) 3951 return -EIO; 3952 3953 if (value[0] == ICE_MODULE_TYPE_SFP) 3954 is_sfp = true; 3955 3956 memset(data, 0, ee->len); 3957 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 3958 offset = i + ee->offset; 3959 page = 0; 3960 3961 /* Check if we need to access the other memory page */ 3962 if (is_sfp) { 3963 if (offset >= ETH_MODULE_SFF_8079_LEN) { 3964 offset -= ETH_MODULE_SFF_8079_LEN; 3965 addr = ICE_I2C_EEPROM_DEV_ADDR2; 3966 } 3967 } else { 3968 while (offset >= ETH_MODULE_SFF_8436_LEN) { 3969 /* Compute memory page number and offset. */ 3970 offset -= ETH_MODULE_SFF_8436_LEN / 2; 3971 page++; 3972 } 3973 } 3974 3975 /* Bit 2 of EEPROM address 0x02 declares upper 3976 * pages are disabled on QSFP modules. 3977 * SFP modules only ever use page 0. 3978 */ 3979 if (page == 0 || !(data[0x2] & 0x4)) { 3980 /* If i2c bus is busy due to slow page change or 3981 * link management access, call can fail. This is normal. 3982 * So we retry this a few times. 3983 */ 3984 for (j = 0; j < 4; j++) { 3985 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 3986 !is_sfp, value, 3987 SFF_READ_BLOCK_SIZE, 3988 0, NULL); 3989 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n", 3990 addr, offset, page, is_sfp, 3991 value[0], value[1], value[2], value[3], 3992 value[4], value[5], value[6], value[7], 3993 status); 3994 if (status) { 3995 usleep_range(1500, 2500); 3996 memset(value, 0, SFF_READ_BLOCK_SIZE); 3997 continue; 3998 } 3999 break; 4000 } 4001 4002 /* Make sure we have enough room for the new block */ 4003 if ((i + SFF_READ_BLOCK_SIZE) < ee->len) 4004 memcpy(data + i, value, SFF_READ_BLOCK_SIZE); 4005 } 4006 } 4007 return 0; 4008 } 4009 4010 static const struct ethtool_ops ice_ethtool_ops = { 4011 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 4012 ETHTOOL_COALESCE_USE_ADAPTIVE | 4013 ETHTOOL_COALESCE_RX_USECS_HIGH, 4014 .get_link_ksettings = ice_get_link_ksettings, 4015 .set_link_ksettings = ice_set_link_ksettings, 4016 .get_drvinfo = ice_get_drvinfo, 4017 .get_regs_len = ice_get_regs_len, 4018 .get_regs = ice_get_regs, 4019 .get_wol = ice_get_wol, 4020 .set_wol = ice_set_wol, 4021 .get_msglevel = ice_get_msglevel, 4022 .set_msglevel = ice_set_msglevel, 4023 .self_test = ice_self_test, 4024 .get_link = ethtool_op_get_link, 4025 .get_eeprom_len = ice_get_eeprom_len, 4026 .get_eeprom = ice_get_eeprom, 4027 .get_coalesce = ice_get_coalesce, 4028 .set_coalesce = ice_set_coalesce, 4029 .get_strings = ice_get_strings, 4030 .set_phys_id = ice_set_phys_id, 4031 .get_ethtool_stats = ice_get_ethtool_stats, 4032 .get_priv_flags = ice_get_priv_flags, 4033 .set_priv_flags = ice_set_priv_flags, 4034 .get_sset_count = ice_get_sset_count, 4035 .get_rxnfc = ice_get_rxnfc, 4036 .set_rxnfc = ice_set_rxnfc, 4037 .get_ringparam = ice_get_ringparam, 4038 .set_ringparam = ice_set_ringparam, 4039 .nway_reset = ice_nway_reset, 4040 .get_pauseparam = ice_get_pauseparam, 4041 .set_pauseparam = ice_set_pauseparam, 4042 .get_rxfh_key_size = ice_get_rxfh_key_size, 4043 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4044 .get_rxfh = ice_get_rxfh, 4045 .set_rxfh = ice_set_rxfh, 4046 .get_channels = ice_get_channels, 4047 .set_channels = ice_set_channels, 4048 .get_ts_info = ice_get_ts_info, 4049 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4050 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4051 .get_fecparam = ice_get_fecparam, 4052 .set_fecparam = ice_set_fecparam, 4053 .get_module_info = ice_get_module_info, 4054 .get_module_eeprom = ice_get_module_eeprom, 4055 }; 4056 4057 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4058 .get_link_ksettings = ice_get_link_ksettings, 4059 .set_link_ksettings = ice_set_link_ksettings, 4060 .get_drvinfo = ice_get_drvinfo, 4061 .get_regs_len = ice_get_regs_len, 4062 .get_regs = ice_get_regs, 4063 .get_wol = ice_get_wol, 4064 .set_wol = ice_set_wol, 4065 .get_msglevel = ice_get_msglevel, 4066 .set_msglevel = ice_set_msglevel, 4067 .get_link = ethtool_op_get_link, 4068 .get_eeprom_len = ice_get_eeprom_len, 4069 .get_eeprom = ice_get_eeprom, 4070 .get_strings = ice_get_strings, 4071 .get_ethtool_stats = ice_get_ethtool_stats, 4072 .get_sset_count = ice_get_sset_count, 4073 .get_ringparam = ice_get_ringparam, 4074 .set_ringparam = ice_set_ringparam, 4075 .nway_reset = ice_nway_reset, 4076 .get_channels = ice_get_channels, 4077 }; 4078 4079 /** 4080 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4081 * @netdev: network interface device structure 4082 */ 4083 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4084 { 4085 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4086 } 4087 4088 static const struct ethtool_ops ice_ethtool_repr_ops = { 4089 .get_drvinfo = ice_repr_get_drvinfo, 4090 .get_link = ethtool_op_get_link, 4091 .get_strings = ice_get_strings, 4092 .get_ethtool_stats = ice_get_ethtool_stats, 4093 .get_sset_count = ice_get_sset_count, 4094 }; 4095 4096 /** 4097 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops 4098 * @netdev: network interface device structure 4099 */ 4100 void ice_set_ethtool_repr_ops(struct net_device *netdev) 4101 { 4102 netdev->ethtool_ops = &ice_ethtool_repr_ops; 4103 } 4104 4105 /** 4106 * ice_set_ethtool_ops - setup netdev ethtool ops 4107 * @netdev: network interface device structure 4108 * 4109 * setup netdev ethtool ops with ice specific ops 4110 */ 4111 void ice_set_ethtool_ops(struct net_device *netdev) 4112 { 4113 netdev->ethtool_ops = &ice_ethtool_ops; 4114 } 4115