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_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_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 struct ice_ring *tx_ring, *rx_ring; 699 u8 broadcast[ETH_ALEN], ret = 0; 700 int num_frames, valid_frames; 701 struct device *dev; 702 u8 *tx_frame; 703 int i; 704 705 dev = ice_pf_to_dev(pf); 706 netdev_info(netdev, "loopback test\n"); 707 708 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 709 if (!test_vsi) { 710 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 711 return 1; 712 } 713 714 test_vsi->netdev = netdev; 715 tx_ring = test_vsi->tx_rings[0]; 716 rx_ring = test_vsi->rx_rings[0]; 717 718 if (ice_lbtest_prepare_rings(test_vsi)) { 719 ret = 2; 720 goto lbtest_vsi_close; 721 } 722 723 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 724 ret = 3; 725 goto lbtest_rings_dis; 726 } 727 728 /* Enable MAC loopback in firmware */ 729 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 730 ret = 4; 731 goto lbtest_mac_dis; 732 } 733 734 /* Test VSI needs to receive broadcast packets */ 735 eth_broadcast_addr(broadcast); 736 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 737 ret = 5; 738 goto lbtest_mac_dis; 739 } 740 741 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 742 ret = 7; 743 goto remove_mac_filters; 744 } 745 746 num_frames = min_t(int, tx_ring->count, 32); 747 for (i = 0; i < num_frames; i++) { 748 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 749 ret = 8; 750 goto lbtest_free_frame; 751 } 752 } 753 754 valid_frames = ice_lbtest_receive_frames(rx_ring); 755 if (!valid_frames) 756 ret = 9; 757 else if (valid_frames != num_frames) 758 ret = 10; 759 760 lbtest_free_frame: 761 devm_kfree(dev, tx_frame); 762 remove_mac_filters: 763 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 764 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 765 lbtest_mac_dis: 766 /* Disable MAC loopback after the test is completed. */ 767 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 768 netdev_err(netdev, "Could not disable MAC loopback\n"); 769 lbtest_rings_dis: 770 if (ice_lbtest_disable_rings(test_vsi)) 771 netdev_err(netdev, "Could not disable test rings\n"); 772 lbtest_vsi_close: 773 test_vsi->netdev = NULL; 774 if (ice_vsi_release(test_vsi)) 775 netdev_err(netdev, "Failed to remove the test VSI\n"); 776 777 return ret; 778 } 779 780 /** 781 * ice_intr_test - perform an interrupt test on a given net_device 782 * @netdev: network interface device structure 783 * 784 * This function performs one of the self-tests required by ethtool. 785 * Returns 0 on success, non-zero on failure. 786 */ 787 static u64 ice_intr_test(struct net_device *netdev) 788 { 789 struct ice_netdev_priv *np = netdev_priv(netdev); 790 struct ice_pf *pf = np->vsi->back; 791 u16 swic_old = pf->sw_int_count; 792 793 netdev_info(netdev, "interrupt test\n"); 794 795 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 796 GLINT_DYN_CTL_SW_ITR_INDX_M | 797 GLINT_DYN_CTL_INTENA_MSK_M | 798 GLINT_DYN_CTL_SWINT_TRIG_M); 799 800 usleep_range(1000, 2000); 801 return (swic_old == pf->sw_int_count); 802 } 803 804 /** 805 * ice_self_test - handler function for performing a self-test by ethtool 806 * @netdev: network interface device structure 807 * @eth_test: ethtool_test structure 808 * @data: required by ethtool.self_test 809 * 810 * This function is called after invoking 'ethtool -t devname' command where 811 * devname is the name of the network device on which ethtool should operate. 812 * It performs a set of self-tests to check if a device works properly. 813 */ 814 static void 815 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 816 u64 *data) 817 { 818 struct ice_netdev_priv *np = netdev_priv(netdev); 819 bool if_running = netif_running(netdev); 820 struct ice_pf *pf = np->vsi->back; 821 struct device *dev; 822 823 dev = ice_pf_to_dev(pf); 824 825 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 826 netdev_info(netdev, "offline testing starting\n"); 827 828 set_bit(ICE_TESTING, pf->state); 829 830 if (ice_active_vfs(pf)) { 831 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 832 data[ICE_ETH_TEST_REG] = 1; 833 data[ICE_ETH_TEST_EEPROM] = 1; 834 data[ICE_ETH_TEST_INTR] = 1; 835 data[ICE_ETH_TEST_LOOP] = 1; 836 data[ICE_ETH_TEST_LINK] = 1; 837 eth_test->flags |= ETH_TEST_FL_FAILED; 838 clear_bit(ICE_TESTING, pf->state); 839 goto skip_ol_tests; 840 } 841 /* If the device is online then take it offline */ 842 if (if_running) 843 /* indicate we're in test mode */ 844 ice_stop(netdev); 845 846 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 847 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 848 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 849 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 850 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 851 852 if (data[ICE_ETH_TEST_LINK] || 853 data[ICE_ETH_TEST_EEPROM] || 854 data[ICE_ETH_TEST_LOOP] || 855 data[ICE_ETH_TEST_INTR] || 856 data[ICE_ETH_TEST_REG]) 857 eth_test->flags |= ETH_TEST_FL_FAILED; 858 859 clear_bit(ICE_TESTING, pf->state); 860 861 if (if_running) { 862 int status = ice_open(netdev); 863 864 if (status) { 865 dev_err(dev, "Could not open device %s, err %d\n", 866 pf->int_name, status); 867 } 868 } 869 } else { 870 /* Online tests */ 871 netdev_info(netdev, "online testing starting\n"); 872 873 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 874 if (data[ICE_ETH_TEST_LINK]) 875 eth_test->flags |= ETH_TEST_FL_FAILED; 876 877 /* Offline only tests, not run in online; pass by default */ 878 data[ICE_ETH_TEST_REG] = 0; 879 data[ICE_ETH_TEST_EEPROM] = 0; 880 data[ICE_ETH_TEST_INTR] = 0; 881 data[ICE_ETH_TEST_LOOP] = 0; 882 } 883 884 skip_ol_tests: 885 netdev_info(netdev, "testing finished\n"); 886 } 887 888 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 889 { 890 struct ice_netdev_priv *np = netdev_priv(netdev); 891 struct ice_vsi *vsi = ice_get_netdev_priv_vsi(np); 892 unsigned int i; 893 u8 *p = data; 894 895 switch (stringset) { 896 case ETH_SS_STATS: 897 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 898 ethtool_sprintf(&p, 899 ice_gstrings_vsi_stats[i].stat_string); 900 901 if (ice_is_port_repr_netdev(netdev)) 902 return; 903 904 ice_for_each_alloc_txq(vsi, i) { 905 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 906 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 907 } 908 909 ice_for_each_alloc_rxq(vsi, i) { 910 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 911 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 912 } 913 914 if (vsi->type != ICE_VSI_PF) 915 return; 916 917 for (i = 0; i < ICE_PF_STATS_LEN; i++) 918 ethtool_sprintf(&p, 919 ice_gstrings_pf_stats[i].stat_string); 920 921 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 922 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 923 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 924 } 925 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 926 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 927 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 928 } 929 break; 930 case ETH_SS_TEST: 931 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 932 break; 933 case ETH_SS_PRIV_FLAGS: 934 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 935 ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name); 936 break; 937 default: 938 break; 939 } 940 } 941 942 static int 943 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 944 { 945 struct ice_netdev_priv *np = netdev_priv(netdev); 946 bool led_active; 947 948 switch (state) { 949 case ETHTOOL_ID_ACTIVE: 950 led_active = true; 951 break; 952 case ETHTOOL_ID_INACTIVE: 953 led_active = false; 954 break; 955 default: 956 return -EINVAL; 957 } 958 959 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 960 return -EIO; 961 962 return 0; 963 } 964 965 /** 966 * ice_set_fec_cfg - Set link FEC options 967 * @netdev: network interface device structure 968 * @req_fec: FEC mode to configure 969 */ 970 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 971 { 972 struct ice_netdev_priv *np = netdev_priv(netdev); 973 struct ice_aqc_set_phy_cfg_data config = { 0 }; 974 struct ice_vsi *vsi = np->vsi; 975 struct ice_port_info *pi; 976 977 pi = vsi->port_info; 978 if (!pi) 979 return -EOPNOTSUPP; 980 981 /* Changing the FEC parameters is not supported if not the PF VSI */ 982 if (vsi->type != ICE_VSI_PF) { 983 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 984 return -EOPNOTSUPP; 985 } 986 987 /* Proceed only if requesting different FEC mode */ 988 if (pi->phy.curr_user_fec_req == req_fec) 989 return 0; 990 991 /* Copy the current user PHY configuration. The current user PHY 992 * configuration is initialized during probe from PHY capabilities 993 * software mode, and updated on set PHY configuration. 994 */ 995 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 996 997 ice_cfg_phy_fec(pi, &config, req_fec); 998 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 999 1000 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1001 return -EAGAIN; 1002 1003 /* Save requested FEC config */ 1004 pi->phy.curr_user_fec_req = req_fec; 1005 1006 return 0; 1007 } 1008 1009 /** 1010 * ice_set_fecparam - Set FEC link options 1011 * @netdev: network interface device structure 1012 * @fecparam: Ethtool structure to retrieve FEC parameters 1013 */ 1014 static int 1015 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1016 { 1017 struct ice_netdev_priv *np = netdev_priv(netdev); 1018 struct ice_vsi *vsi = np->vsi; 1019 enum ice_fec_mode fec; 1020 1021 switch (fecparam->fec) { 1022 case ETHTOOL_FEC_AUTO: 1023 fec = ICE_FEC_AUTO; 1024 break; 1025 case ETHTOOL_FEC_RS: 1026 fec = ICE_FEC_RS; 1027 break; 1028 case ETHTOOL_FEC_BASER: 1029 fec = ICE_FEC_BASER; 1030 break; 1031 case ETHTOOL_FEC_OFF: 1032 case ETHTOOL_FEC_NONE: 1033 fec = ICE_FEC_NONE; 1034 break; 1035 default: 1036 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1037 fecparam->fec); 1038 return -EINVAL; 1039 } 1040 1041 return ice_set_fec_cfg(netdev, fec); 1042 } 1043 1044 /** 1045 * ice_get_fecparam - Get link FEC options 1046 * @netdev: network interface device structure 1047 * @fecparam: Ethtool structure to retrieve FEC parameters 1048 */ 1049 static int 1050 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1051 { 1052 struct ice_netdev_priv *np = netdev_priv(netdev); 1053 struct ice_aqc_get_phy_caps_data *caps; 1054 struct ice_link_status *link_info; 1055 struct ice_vsi *vsi = np->vsi; 1056 struct ice_port_info *pi; 1057 enum ice_status status; 1058 int err = 0; 1059 1060 pi = vsi->port_info; 1061 1062 if (!pi) 1063 return -EOPNOTSUPP; 1064 link_info = &pi->phy.link_info; 1065 1066 /* Set FEC mode based on negotiated link info */ 1067 switch (link_info->fec_info) { 1068 case ICE_AQ_LINK_25G_KR_FEC_EN: 1069 fecparam->active_fec = ETHTOOL_FEC_BASER; 1070 break; 1071 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1072 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1073 fecparam->active_fec = ETHTOOL_FEC_RS; 1074 break; 1075 default: 1076 fecparam->active_fec = ETHTOOL_FEC_OFF; 1077 break; 1078 } 1079 1080 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1081 if (!caps) 1082 return -ENOMEM; 1083 1084 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1085 caps, NULL); 1086 if (status) { 1087 err = -EAGAIN; 1088 goto done; 1089 } 1090 1091 /* Set supported/configured FEC modes based on PHY capability */ 1092 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1093 fecparam->fec |= ETHTOOL_FEC_AUTO; 1094 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1095 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1096 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1097 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1098 fecparam->fec |= ETHTOOL_FEC_BASER; 1099 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1100 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1101 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1102 fecparam->fec |= ETHTOOL_FEC_RS; 1103 if (caps->link_fec_options == 0) 1104 fecparam->fec |= ETHTOOL_FEC_OFF; 1105 1106 done: 1107 kfree(caps); 1108 return err; 1109 } 1110 1111 /** 1112 * ice_nway_reset - restart autonegotiation 1113 * @netdev: network interface device structure 1114 */ 1115 static int ice_nway_reset(struct net_device *netdev) 1116 { 1117 struct ice_netdev_priv *np = netdev_priv(netdev); 1118 struct ice_vsi *vsi = np->vsi; 1119 int err; 1120 1121 /* If VSI state is up, then restart autoneg with link up */ 1122 if (!test_bit(ICE_DOWN, vsi->back->state)) 1123 err = ice_set_link(vsi, true); 1124 else 1125 err = ice_set_link(vsi, false); 1126 1127 return err; 1128 } 1129 1130 /** 1131 * ice_get_priv_flags - report device private flags 1132 * @netdev: network interface device structure 1133 * 1134 * The get string set count and the string set should be matched for each 1135 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1136 * array. 1137 * 1138 * Returns a u32 bitmap of flags. 1139 */ 1140 static u32 ice_get_priv_flags(struct net_device *netdev) 1141 { 1142 struct ice_netdev_priv *np = netdev_priv(netdev); 1143 struct ice_vsi *vsi = np->vsi; 1144 struct ice_pf *pf = vsi->back; 1145 u32 i, ret_flags = 0; 1146 1147 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1148 const struct ice_priv_flag *priv_flag; 1149 1150 priv_flag = &ice_gstrings_priv_flags[i]; 1151 1152 if (test_bit(priv_flag->bitno, pf->flags)) 1153 ret_flags |= BIT(i); 1154 } 1155 1156 return ret_flags; 1157 } 1158 1159 /** 1160 * ice_set_priv_flags - set private flags 1161 * @netdev: network interface device structure 1162 * @flags: bit flags to be set 1163 */ 1164 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1165 { 1166 struct ice_netdev_priv *np = netdev_priv(netdev); 1167 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1168 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1169 struct ice_vsi *vsi = np->vsi; 1170 struct ice_pf *pf = vsi->back; 1171 struct device *dev; 1172 int ret = 0; 1173 u32 i; 1174 1175 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1176 return -EINVAL; 1177 1178 dev = ice_pf_to_dev(pf); 1179 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1180 1181 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1182 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1183 const struct ice_priv_flag *priv_flag; 1184 1185 priv_flag = &ice_gstrings_priv_flags[i]; 1186 1187 if (flags & BIT(i)) 1188 set_bit(priv_flag->bitno, pf->flags); 1189 else 1190 clear_bit(priv_flag->bitno, pf->flags); 1191 } 1192 1193 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1194 1195 /* Do not allow change to link-down-on-close when Total Port Shutdown 1196 * is enabled. 1197 */ 1198 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1199 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1200 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1201 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1202 ret = -EINVAL; 1203 goto ethtool_exit; 1204 } 1205 1206 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1207 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1208 enum ice_status status; 1209 1210 /* Disable FW LLDP engine */ 1211 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1212 1213 /* If unregistering for LLDP events fails, this is 1214 * not an error state, as there shouldn't be any 1215 * events to respond to. 1216 */ 1217 if (status) 1218 dev_info(dev, "Failed to unreg for LLDP events\n"); 1219 1220 /* The AQ call to stop the FW LLDP agent will generate 1221 * an error if the agent is already stopped. 1222 */ 1223 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1224 if (status) 1225 dev_warn(dev, "Fail to stop LLDP agent\n"); 1226 /* Use case for having the FW LLDP agent stopped 1227 * will likely not need DCB, so failure to init is 1228 * not a concern of ethtool 1229 */ 1230 status = ice_init_pf_dcb(pf, true); 1231 if (status) 1232 dev_warn(dev, "Fail to init DCB\n"); 1233 1234 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1235 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1236 } else { 1237 enum ice_status status; 1238 bool dcbx_agent_status; 1239 1240 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { 1241 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); 1242 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); 1243 ret = -EOPNOTSUPP; 1244 goto ethtool_exit; 1245 } 1246 1247 /* Remove rule to direct LLDP packets to default VSI. 1248 * The FW LLDP engine will now be consuming them. 1249 */ 1250 ice_cfg_sw_lldp(vsi, false, false); 1251 1252 /* AQ command to start FW LLDP agent will return an 1253 * error if the agent is already started 1254 */ 1255 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1256 if (status) 1257 dev_warn(dev, "Fail to start LLDP Agent\n"); 1258 1259 /* AQ command to start FW DCBX agent will fail if 1260 * the agent is already started 1261 */ 1262 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1263 &dcbx_agent_status, 1264 NULL); 1265 if (status) 1266 dev_dbg(dev, "Failed to start FW DCBX\n"); 1267 1268 dev_info(dev, "FW DCBX agent is %s\n", 1269 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1270 1271 /* Failure to configure MIB change or init DCB is not 1272 * relevant to ethtool. Print notification that 1273 * registration/init failed but do not return error 1274 * state to ethtool 1275 */ 1276 status = ice_init_pf_dcb(pf, true); 1277 if (status) 1278 dev_dbg(dev, "Fail to init DCB\n"); 1279 1280 /* Register for MIB change events */ 1281 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1282 if (status) 1283 dev_dbg(dev, "Fail to enable MIB change events\n"); 1284 1285 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1286 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1287 1288 ice_nway_reset(netdev); 1289 } 1290 } 1291 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1292 /* down and up VSI so that changes of Rx cfg are reflected. */ 1293 ice_down(vsi); 1294 ice_up(vsi); 1295 } 1296 /* don't allow modification of this flag when a single VF is in 1297 * promiscuous mode because it's not supported 1298 */ 1299 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1300 ice_is_any_vf_in_promisc(pf)) { 1301 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1302 /* toggle bit back to previous state */ 1303 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1304 ret = -EAGAIN; 1305 } 1306 ethtool_exit: 1307 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1308 return ret; 1309 } 1310 1311 static int ice_get_sset_count(struct net_device *netdev, int sset) 1312 { 1313 switch (sset) { 1314 case ETH_SS_STATS: 1315 /* The number (and order) of strings reported *must* remain 1316 * constant for a given netdevice. This function must not 1317 * report a different number based on run time parameters 1318 * (such as the number of queues in use, or the setting of 1319 * a private ethtool flag). This is due to the nature of the 1320 * ethtool stats API. 1321 * 1322 * Userspace programs such as ethtool must make 3 separate 1323 * ioctl requests, one for size, one for the strings, and 1324 * finally one for the stats. Since these cross into 1325 * userspace, changes to the number or size could result in 1326 * undefined memory access or incorrect string<->value 1327 * correlations for statistics. 1328 * 1329 * Even if it appears to be safe, changes to the size or 1330 * order of strings will suffer from race conditions and are 1331 * not safe. 1332 */ 1333 if (ice_is_port_repr_netdev(netdev)) 1334 return ICE_VSI_STATS_LEN; 1335 1336 return ICE_ALL_STATS_LEN(netdev); 1337 case ETH_SS_TEST: 1338 return ICE_TEST_LEN; 1339 case ETH_SS_PRIV_FLAGS: 1340 return ICE_PRIV_FLAG_ARRAY_SIZE; 1341 default: 1342 return -EOPNOTSUPP; 1343 } 1344 } 1345 1346 static void 1347 ice_get_ethtool_stats(struct net_device *netdev, 1348 struct ethtool_stats __always_unused *stats, u64 *data) 1349 { 1350 struct ice_netdev_priv *np = netdev_priv(netdev); 1351 struct ice_vsi *vsi = ice_get_netdev_priv_vsi(np); 1352 struct ice_pf *pf = vsi->back; 1353 struct ice_ring *ring; 1354 unsigned int j; 1355 int i = 0; 1356 char *p; 1357 1358 ice_update_pf_stats(pf); 1359 ice_update_vsi_stats(vsi); 1360 1361 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1362 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1363 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1364 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1365 } 1366 1367 if (ice_is_port_repr_netdev(netdev)) 1368 return; 1369 1370 /* populate per queue stats */ 1371 rcu_read_lock(); 1372 1373 ice_for_each_alloc_txq(vsi, j) { 1374 ring = READ_ONCE(vsi->tx_rings[j]); 1375 if (ring) { 1376 data[i++] = ring->stats.pkts; 1377 data[i++] = ring->stats.bytes; 1378 } else { 1379 data[i++] = 0; 1380 data[i++] = 0; 1381 } 1382 } 1383 1384 ice_for_each_alloc_rxq(vsi, j) { 1385 ring = READ_ONCE(vsi->rx_rings[j]); 1386 if (ring) { 1387 data[i++] = ring->stats.pkts; 1388 data[i++] = ring->stats.bytes; 1389 } else { 1390 data[i++] = 0; 1391 data[i++] = 0; 1392 } 1393 } 1394 1395 rcu_read_unlock(); 1396 1397 if (vsi->type != ICE_VSI_PF) 1398 return; 1399 1400 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1401 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1402 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1403 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1404 } 1405 1406 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1407 data[i++] = pf->stats.priority_xon_tx[j]; 1408 data[i++] = pf->stats.priority_xoff_tx[j]; 1409 } 1410 1411 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1412 data[i++] = pf->stats.priority_xon_rx[j]; 1413 data[i++] = pf->stats.priority_xoff_rx[j]; 1414 } 1415 } 1416 1417 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1418 ICE_PHY_TYPE_LOW_100M_SGMII) 1419 1420 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1421 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1422 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1423 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1424 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1425 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1426 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1427 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1428 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1429 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1430 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1431 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1432 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1433 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1434 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1435 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1436 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1437 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1438 1439 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1440 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1441 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1442 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1443 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1444 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1445 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1446 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1447 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1448 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1449 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1450 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1451 ICE_PHY_TYPE_LOW_100GBASE_DR) 1452 1453 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1454 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1455 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1456 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1457 ICE_PHY_TYPE_HIGH_100G_AUI2) 1458 1459 /** 1460 * ice_mask_min_supported_speeds 1461 * @phy_types_high: PHY type high 1462 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1463 * 1464 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1465 * for ethtool supported link mode. 1466 */ 1467 static 1468 void ice_mask_min_supported_speeds(u64 phy_types_high, u64 *phy_types_low) 1469 { 1470 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1471 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G || 1472 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) 1473 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1474 else 1475 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1476 } 1477 1478 #define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \ 1479 do { \ 1480 if (req_speeds & (aq_link_speed) || \ 1481 (!req_speeds && \ 1482 (advert_phy_type_lo & phy_type_mask_lo || \ 1483 advert_phy_type_hi & phy_type_mask_hi))) \ 1484 ethtool_link_ksettings_add_link_mode(ks, advertising,\ 1485 ethtool_link_mode); \ 1486 } while (0) 1487 1488 /** 1489 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1490 * @netdev: network interface device structure 1491 * @ks: ethtool link ksettings struct to fill out 1492 */ 1493 static void 1494 ice_phy_type_to_ethtool(struct net_device *netdev, 1495 struct ethtool_link_ksettings *ks) 1496 { 1497 struct ice_netdev_priv *np = netdev_priv(netdev); 1498 struct ice_vsi *vsi = np->vsi; 1499 struct ice_pf *pf = vsi->back; 1500 u64 advert_phy_type_lo = 0; 1501 u64 advert_phy_type_hi = 0; 1502 u64 phy_type_mask_lo = 0; 1503 u64 phy_type_mask_hi = 0; 1504 u64 phy_types_high = 0; 1505 u64 phy_types_low = 0; 1506 u16 req_speeds; 1507 1508 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1509 1510 /* Check if lenient mode is supported and enabled, or in strict mode. 1511 * 1512 * In lenient mode the Supported link modes are the PHY types without 1513 * media. The Advertising link mode is either 1. the user requested 1514 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1515 * 1516 * In strict mode Supported link mode are the PHY type with media, 1517 * and Advertising link modes are the media PHY type or the speed 1518 * requested by user. 1519 */ 1520 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1521 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1522 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1523 1524 ice_mask_min_supported_speeds(phy_types_high, &phy_types_low); 1525 /* determine advertised modes based on link override only 1526 * if it's supported and if the FW doesn't abstract the 1527 * driver from having to account for link overrides 1528 */ 1529 if (ice_fw_supports_link_override(&pf->hw) && 1530 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 1531 struct ice_link_default_override_tlv *ldo; 1532 1533 ldo = &pf->link_dflt_override; 1534 /* If override enabled and PHY mask set, then 1535 * Advertising link mode is the intersection of the PHY 1536 * types without media and the override PHY mask. 1537 */ 1538 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1539 (ldo->phy_type_low || ldo->phy_type_high)) { 1540 advert_phy_type_lo = 1541 le64_to_cpu(pf->nvm_phy_type_lo) & 1542 ldo->phy_type_low; 1543 advert_phy_type_hi = 1544 le64_to_cpu(pf->nvm_phy_type_hi) & 1545 ldo->phy_type_high; 1546 } 1547 } 1548 } else { 1549 /* strict mode */ 1550 phy_types_low = vsi->port_info->phy.phy_type_low; 1551 phy_types_high = vsi->port_info->phy.phy_type_high; 1552 } 1553 1554 /* If Advertising link mode PHY type is not using override PHY type, 1555 * then use PHY type with media. 1556 */ 1557 if (!advert_phy_type_lo && !advert_phy_type_hi) { 1558 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 1559 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 1560 } 1561 1562 ethtool_link_ksettings_zero_link_mode(ks, supported); 1563 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1564 1565 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX | 1566 ICE_PHY_TYPE_LOW_100M_SGMII; 1567 if (phy_types_low & phy_type_mask_lo) { 1568 ethtool_link_ksettings_add_link_mode(ks, supported, 1569 100baseT_Full); 1570 1571 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB, 1572 100baseT_Full); 1573 } 1574 1575 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T | 1576 ICE_PHY_TYPE_LOW_1G_SGMII; 1577 if (phy_types_low & phy_type_mask_lo) { 1578 ethtool_link_ksettings_add_link_mode(ks, supported, 1579 1000baseT_Full); 1580 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1581 1000baseT_Full); 1582 } 1583 1584 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX; 1585 if (phy_types_low & phy_type_mask_lo) { 1586 ethtool_link_ksettings_add_link_mode(ks, supported, 1587 1000baseKX_Full); 1588 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1589 1000baseKX_Full); 1590 } 1591 1592 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX | 1593 ICE_PHY_TYPE_LOW_1000BASE_LX; 1594 if (phy_types_low & phy_type_mask_lo) { 1595 ethtool_link_ksettings_add_link_mode(ks, supported, 1596 1000baseX_Full); 1597 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1598 1000baseX_Full); 1599 } 1600 1601 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T; 1602 if (phy_types_low & phy_type_mask_lo) { 1603 ethtool_link_ksettings_add_link_mode(ks, supported, 1604 2500baseT_Full); 1605 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1606 2500baseT_Full); 1607 } 1608 1609 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X | 1610 ICE_PHY_TYPE_LOW_2500BASE_KX; 1611 if (phy_types_low & phy_type_mask_lo) { 1612 ethtool_link_ksettings_add_link_mode(ks, supported, 1613 2500baseX_Full); 1614 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1615 2500baseX_Full); 1616 } 1617 1618 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T | 1619 ICE_PHY_TYPE_LOW_5GBASE_KR; 1620 if (phy_types_low & phy_type_mask_lo) { 1621 ethtool_link_ksettings_add_link_mode(ks, supported, 1622 5000baseT_Full); 1623 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB, 1624 5000baseT_Full); 1625 } 1626 1627 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T | 1628 ICE_PHY_TYPE_LOW_10G_SFI_DA | 1629 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | 1630 ICE_PHY_TYPE_LOW_10G_SFI_C2C; 1631 if (phy_types_low & phy_type_mask_lo) { 1632 ethtool_link_ksettings_add_link_mode(ks, supported, 1633 10000baseT_Full); 1634 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1635 10000baseT_Full); 1636 } 1637 1638 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1; 1639 if (phy_types_low & phy_type_mask_lo) { 1640 ethtool_link_ksettings_add_link_mode(ks, supported, 1641 10000baseKR_Full); 1642 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1643 10000baseKR_Full); 1644 } 1645 1646 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR; 1647 if (phy_types_low & phy_type_mask_lo) { 1648 ethtool_link_ksettings_add_link_mode(ks, supported, 1649 10000baseSR_Full); 1650 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1651 10000baseSR_Full); 1652 } 1653 1654 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR; 1655 if (phy_types_low & phy_type_mask_lo) { 1656 ethtool_link_ksettings_add_link_mode(ks, supported, 1657 10000baseLR_Full); 1658 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1659 10000baseLR_Full); 1660 } 1661 1662 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T | 1663 ICE_PHY_TYPE_LOW_25GBASE_CR | 1664 ICE_PHY_TYPE_LOW_25GBASE_CR_S | 1665 ICE_PHY_TYPE_LOW_25GBASE_CR1 | 1666 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC | 1667 ICE_PHY_TYPE_LOW_25G_AUI_C2C; 1668 if (phy_types_low & phy_type_mask_lo) { 1669 ethtool_link_ksettings_add_link_mode(ks, supported, 1670 25000baseCR_Full); 1671 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1672 25000baseCR_Full); 1673 } 1674 1675 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR | 1676 ICE_PHY_TYPE_LOW_25GBASE_LR; 1677 if (phy_types_low & phy_type_mask_lo) { 1678 ethtool_link_ksettings_add_link_mode(ks, supported, 1679 25000baseSR_Full); 1680 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1681 25000baseSR_Full); 1682 } 1683 1684 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR | 1685 ICE_PHY_TYPE_LOW_25GBASE_KR_S | 1686 ICE_PHY_TYPE_LOW_25GBASE_KR1; 1687 if (phy_types_low & phy_type_mask_lo) { 1688 ethtool_link_ksettings_add_link_mode(ks, supported, 1689 25000baseKR_Full); 1690 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1691 25000baseKR_Full); 1692 } 1693 1694 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4; 1695 if (phy_types_low & phy_type_mask_lo) { 1696 ethtool_link_ksettings_add_link_mode(ks, supported, 1697 40000baseKR4_Full); 1698 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1699 40000baseKR4_Full); 1700 } 1701 1702 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 | 1703 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC | 1704 ICE_PHY_TYPE_LOW_40G_XLAUI; 1705 if (phy_types_low & phy_type_mask_lo) { 1706 ethtool_link_ksettings_add_link_mode(ks, supported, 1707 40000baseCR4_Full); 1708 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1709 40000baseCR4_Full); 1710 } 1711 1712 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4; 1713 if (phy_types_low & phy_type_mask_lo) { 1714 ethtool_link_ksettings_add_link_mode(ks, supported, 1715 40000baseSR4_Full); 1716 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1717 40000baseSR4_Full); 1718 } 1719 1720 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4; 1721 if (phy_types_low & phy_type_mask_lo) { 1722 ethtool_link_ksettings_add_link_mode(ks, supported, 1723 40000baseLR4_Full); 1724 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1725 40000baseLR4_Full); 1726 } 1727 1728 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 | 1729 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC | 1730 ICE_PHY_TYPE_LOW_50G_LAUI2 | 1731 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC | 1732 ICE_PHY_TYPE_LOW_50G_AUI2 | 1733 ICE_PHY_TYPE_LOW_50GBASE_CP | 1734 ICE_PHY_TYPE_LOW_50GBASE_SR | 1735 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC | 1736 ICE_PHY_TYPE_LOW_50G_AUI1; 1737 if (phy_types_low & phy_type_mask_lo) { 1738 ethtool_link_ksettings_add_link_mode(ks, supported, 1739 50000baseCR2_Full); 1740 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1741 50000baseCR2_Full); 1742 } 1743 1744 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 | 1745 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4; 1746 if (phy_types_low & phy_type_mask_lo) { 1747 ethtool_link_ksettings_add_link_mode(ks, supported, 1748 50000baseKR2_Full); 1749 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1750 50000baseKR2_Full); 1751 } 1752 1753 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 | 1754 ICE_PHY_TYPE_LOW_50GBASE_LR2 | 1755 ICE_PHY_TYPE_LOW_50GBASE_FR | 1756 ICE_PHY_TYPE_LOW_50GBASE_LR; 1757 if (phy_types_low & phy_type_mask_lo) { 1758 ethtool_link_ksettings_add_link_mode(ks, supported, 1759 50000baseSR2_Full); 1760 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1761 50000baseSR2_Full); 1762 } 1763 1764 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 | 1765 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | 1766 ICE_PHY_TYPE_LOW_100G_CAUI4 | 1767 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | 1768 ICE_PHY_TYPE_LOW_100G_AUI4 | 1769 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | 1770 ICE_PHY_TYPE_LOW_100GBASE_CP2; 1771 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC | 1772 ICE_PHY_TYPE_HIGH_100G_CAUI2 | 1773 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | 1774 ICE_PHY_TYPE_HIGH_100G_AUI2; 1775 if (phy_types_low & phy_type_mask_lo || 1776 phy_types_high & phy_type_mask_hi) { 1777 ethtool_link_ksettings_add_link_mode(ks, supported, 1778 100000baseCR4_Full); 1779 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1780 100000baseCR4_Full); 1781 } 1782 1783 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 | 1784 ICE_PHY_TYPE_LOW_100GBASE_SR2; 1785 if (phy_types_low & phy_type_mask_lo) { 1786 ethtool_link_ksettings_add_link_mode(ks, supported, 1787 100000baseSR4_Full); 1788 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1789 100000baseSR4_Full); 1790 } 1791 1792 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 | 1793 ICE_PHY_TYPE_LOW_100GBASE_DR; 1794 if (phy_types_low & phy_type_mask_lo) { 1795 ethtool_link_ksettings_add_link_mode(ks, supported, 1796 100000baseLR4_ER4_Full); 1797 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1798 100000baseLR4_ER4_Full); 1799 } 1800 1801 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 | 1802 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4; 1803 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4; 1804 if (phy_types_low & phy_type_mask_lo || 1805 phy_types_high & phy_type_mask_hi) { 1806 ethtool_link_ksettings_add_link_mode(ks, supported, 1807 100000baseKR4_Full); 1808 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1809 100000baseKR4_Full); 1810 } 1811 } 1812 1813 #define TEST_SET_BITS_TIMEOUT 50 1814 #define TEST_SET_BITS_SLEEP_MAX 2000 1815 #define TEST_SET_BITS_SLEEP_MIN 1000 1816 1817 /** 1818 * ice_get_settings_link_up - Get Link settings for when link is up 1819 * @ks: ethtool ksettings to fill in 1820 * @netdev: network interface device structure 1821 */ 1822 static void 1823 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1824 struct net_device *netdev) 1825 { 1826 struct ice_netdev_priv *np = netdev_priv(netdev); 1827 struct ice_port_info *pi = np->vsi->port_info; 1828 struct ice_link_status *link_info; 1829 struct ice_vsi *vsi = np->vsi; 1830 1831 link_info = &vsi->port_info->phy.link_info; 1832 1833 /* Get supported and advertised settings from PHY ability with media */ 1834 ice_phy_type_to_ethtool(netdev, ks); 1835 1836 switch (link_info->link_speed) { 1837 case ICE_AQ_LINK_SPEED_100GB: 1838 ks->base.speed = SPEED_100000; 1839 break; 1840 case ICE_AQ_LINK_SPEED_50GB: 1841 ks->base.speed = SPEED_50000; 1842 break; 1843 case ICE_AQ_LINK_SPEED_40GB: 1844 ks->base.speed = SPEED_40000; 1845 break; 1846 case ICE_AQ_LINK_SPEED_25GB: 1847 ks->base.speed = SPEED_25000; 1848 break; 1849 case ICE_AQ_LINK_SPEED_20GB: 1850 ks->base.speed = SPEED_20000; 1851 break; 1852 case ICE_AQ_LINK_SPEED_10GB: 1853 ks->base.speed = SPEED_10000; 1854 break; 1855 case ICE_AQ_LINK_SPEED_5GB: 1856 ks->base.speed = SPEED_5000; 1857 break; 1858 case ICE_AQ_LINK_SPEED_2500MB: 1859 ks->base.speed = SPEED_2500; 1860 break; 1861 case ICE_AQ_LINK_SPEED_1000MB: 1862 ks->base.speed = SPEED_1000; 1863 break; 1864 case ICE_AQ_LINK_SPEED_100MB: 1865 ks->base.speed = SPEED_100; 1866 break; 1867 default: 1868 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1869 link_info->link_speed); 1870 break; 1871 } 1872 ks->base.duplex = DUPLEX_FULL; 1873 1874 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1875 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1876 Autoneg); 1877 1878 /* Set flow control negotiated Rx/Tx pause */ 1879 switch (pi->fc.current_mode) { 1880 case ICE_FC_FULL: 1881 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1882 break; 1883 case ICE_FC_TX_PAUSE: 1884 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1885 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1886 Asym_Pause); 1887 break; 1888 case ICE_FC_RX_PAUSE: 1889 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1890 Asym_Pause); 1891 break; 1892 case ICE_FC_PFC: 1893 default: 1894 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1895 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1896 Asym_Pause); 1897 break; 1898 } 1899 } 1900 1901 /** 1902 * ice_get_settings_link_down - Get the Link settings when link is down 1903 * @ks: ethtool ksettings to fill in 1904 * @netdev: network interface device structure 1905 * 1906 * Reports link settings that can be determined when link is down 1907 */ 1908 static void 1909 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1910 struct net_device *netdev) 1911 { 1912 /* link is down and the driver needs to fall back on 1913 * supported PHY types to figure out what info to display 1914 */ 1915 ice_phy_type_to_ethtool(netdev, ks); 1916 1917 /* With no link, speed and duplex are unknown */ 1918 ks->base.speed = SPEED_UNKNOWN; 1919 ks->base.duplex = DUPLEX_UNKNOWN; 1920 } 1921 1922 /** 1923 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1924 * @netdev: network interface device structure 1925 * @ks: ethtool ksettings 1926 * 1927 * Reports speed/duplex settings based on media_type 1928 */ 1929 static int 1930 ice_get_link_ksettings(struct net_device *netdev, 1931 struct ethtool_link_ksettings *ks) 1932 { 1933 struct ice_netdev_priv *np = netdev_priv(netdev); 1934 struct ice_aqc_get_phy_caps_data *caps; 1935 struct ice_link_status *hw_link_info; 1936 struct ice_vsi *vsi = np->vsi; 1937 enum ice_status status; 1938 int err = 0; 1939 1940 ethtool_link_ksettings_zero_link_mode(ks, supported); 1941 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1942 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1943 hw_link_info = &vsi->port_info->phy.link_info; 1944 1945 /* set speed and duplex */ 1946 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 1947 ice_get_settings_link_up(ks, netdev); 1948 else 1949 ice_get_settings_link_down(ks, netdev); 1950 1951 /* set autoneg settings */ 1952 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 1953 AUTONEG_ENABLE : AUTONEG_DISABLE; 1954 1955 /* set media type settings */ 1956 switch (vsi->port_info->phy.media_type) { 1957 case ICE_MEDIA_FIBER: 1958 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1959 ks->base.port = PORT_FIBRE; 1960 break; 1961 case ICE_MEDIA_BASET: 1962 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 1963 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 1964 ks->base.port = PORT_TP; 1965 break; 1966 case ICE_MEDIA_BACKPLANE: 1967 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 1968 ethtool_link_ksettings_add_link_mode(ks, advertising, 1969 Backplane); 1970 ks->base.port = PORT_NONE; 1971 break; 1972 case ICE_MEDIA_DA: 1973 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1974 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 1975 ks->base.port = PORT_DA; 1976 break; 1977 default: 1978 ks->base.port = PORT_OTHER; 1979 break; 1980 } 1981 1982 /* flow control is symmetric and always supported */ 1983 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 1984 1985 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1986 if (!caps) 1987 return -ENOMEM; 1988 1989 status = ice_aq_get_phy_caps(vsi->port_info, false, 1990 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 1991 if (status) { 1992 err = -EIO; 1993 goto done; 1994 } 1995 1996 /* Set the advertised flow control based on the PHY capability */ 1997 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 1998 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 1999 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2000 ethtool_link_ksettings_add_link_mode(ks, advertising, 2001 Asym_Pause); 2002 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2003 ethtool_link_ksettings_add_link_mode(ks, advertising, 2004 Asym_Pause); 2005 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2006 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2007 ethtool_link_ksettings_add_link_mode(ks, advertising, 2008 Asym_Pause); 2009 } else { 2010 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2011 ethtool_link_ksettings_del_link_mode(ks, advertising, 2012 Asym_Pause); 2013 } 2014 2015 /* Set advertised FEC modes based on PHY capability */ 2016 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2017 2018 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2019 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2020 ethtool_link_ksettings_add_link_mode(ks, advertising, 2021 FEC_BASER); 2022 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2023 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2024 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2025 2026 status = ice_aq_get_phy_caps(vsi->port_info, false, 2027 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 2028 if (status) { 2029 err = -EIO; 2030 goto done; 2031 } 2032 2033 /* Set supported FEC modes based on PHY capability */ 2034 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2035 2036 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2037 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2038 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2039 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2040 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2041 2042 /* Set supported and advertised autoneg */ 2043 if (ice_is_phy_caps_an_enabled(caps)) { 2044 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2045 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2046 } 2047 2048 done: 2049 kfree(caps); 2050 return err; 2051 } 2052 2053 /** 2054 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2055 * @ks: ethtool ksettings 2056 */ 2057 static u16 2058 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2059 { 2060 u16 adv_link_speed = 0; 2061 2062 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2063 100baseT_Full)) 2064 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2065 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2066 1000baseX_Full)) 2067 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2068 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2069 1000baseT_Full) || 2070 ethtool_link_ksettings_test_link_mode(ks, advertising, 2071 1000baseKX_Full)) 2072 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2073 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2074 2500baseT_Full)) 2075 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2076 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2077 2500baseX_Full)) 2078 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2079 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2080 5000baseT_Full)) 2081 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2082 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2083 10000baseT_Full) || 2084 ethtool_link_ksettings_test_link_mode(ks, advertising, 2085 10000baseKR_Full)) 2086 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2087 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2088 10000baseSR_Full) || 2089 ethtool_link_ksettings_test_link_mode(ks, advertising, 2090 10000baseLR_Full)) 2091 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2092 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2093 25000baseCR_Full) || 2094 ethtool_link_ksettings_test_link_mode(ks, advertising, 2095 25000baseSR_Full) || 2096 ethtool_link_ksettings_test_link_mode(ks, advertising, 2097 25000baseKR_Full)) 2098 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2099 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2100 40000baseCR4_Full) || 2101 ethtool_link_ksettings_test_link_mode(ks, advertising, 2102 40000baseSR4_Full) || 2103 ethtool_link_ksettings_test_link_mode(ks, advertising, 2104 40000baseLR4_Full) || 2105 ethtool_link_ksettings_test_link_mode(ks, advertising, 2106 40000baseKR4_Full)) 2107 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2108 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2109 50000baseCR2_Full) || 2110 ethtool_link_ksettings_test_link_mode(ks, advertising, 2111 50000baseKR2_Full)) 2112 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2113 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2114 50000baseSR2_Full)) 2115 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2116 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2117 100000baseCR4_Full) || 2118 ethtool_link_ksettings_test_link_mode(ks, advertising, 2119 100000baseSR4_Full) || 2120 ethtool_link_ksettings_test_link_mode(ks, advertising, 2121 100000baseLR4_ER4_Full) || 2122 ethtool_link_ksettings_test_link_mode(ks, advertising, 2123 100000baseKR4_Full)) 2124 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2125 2126 return adv_link_speed; 2127 } 2128 2129 /** 2130 * ice_setup_autoneg 2131 * @p: port info 2132 * @ks: ethtool_link_ksettings 2133 * @config: configuration that will be sent down to FW 2134 * @autoneg_enabled: autonegotiation is enabled or not 2135 * @autoneg_changed: will there a change in autonegotiation 2136 * @netdev: network interface device structure 2137 * 2138 * Setup PHY autonegotiation feature 2139 */ 2140 static int 2141 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2142 struct ice_aqc_set_phy_cfg_data *config, 2143 u8 autoneg_enabled, u8 *autoneg_changed, 2144 struct net_device *netdev) 2145 { 2146 int err = 0; 2147 2148 *autoneg_changed = 0; 2149 2150 /* Check autoneg */ 2151 if (autoneg_enabled == AUTONEG_ENABLE) { 2152 /* If autoneg was not already enabled */ 2153 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2154 /* If autoneg is not supported, return error */ 2155 if (!ethtool_link_ksettings_test_link_mode(ks, 2156 supported, 2157 Autoneg)) { 2158 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2159 err = -EINVAL; 2160 } else { 2161 /* Autoneg is allowed to change */ 2162 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2163 *autoneg_changed = 1; 2164 } 2165 } 2166 } else { 2167 /* If autoneg is currently enabled */ 2168 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2169 /* If autoneg is supported 10GBASE_T is the only PHY 2170 * that can disable it, so otherwise return error 2171 */ 2172 if (ethtool_link_ksettings_test_link_mode(ks, 2173 supported, 2174 Autoneg)) { 2175 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2176 err = -EINVAL; 2177 } else { 2178 /* Autoneg is allowed to change */ 2179 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2180 *autoneg_changed = 1; 2181 } 2182 } 2183 } 2184 2185 return err; 2186 } 2187 2188 /** 2189 * ice_set_link_ksettings - Set Speed and Duplex 2190 * @netdev: network interface device structure 2191 * @ks: ethtool ksettings 2192 * 2193 * Set speed/duplex per media_types advertised/forced 2194 */ 2195 static int 2196 ice_set_link_ksettings(struct net_device *netdev, 2197 const struct ethtool_link_ksettings *ks) 2198 { 2199 struct ice_netdev_priv *np = netdev_priv(netdev); 2200 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2201 struct ethtool_link_ksettings copy_ks = *ks; 2202 struct ethtool_link_ksettings safe_ks = {}; 2203 struct ice_aqc_get_phy_caps_data *phy_caps; 2204 struct ice_aqc_set_phy_cfg_data config; 2205 u16 adv_link_speed, curr_link_speed; 2206 struct ice_pf *pf = np->vsi->back; 2207 struct ice_port_info *pi; 2208 u8 autoneg_changed = 0; 2209 enum ice_status status; 2210 u64 phy_type_high = 0; 2211 u64 phy_type_low = 0; 2212 int err = 0; 2213 bool linkup; 2214 2215 pi = np->vsi->port_info; 2216 2217 if (!pi) 2218 return -EIO; 2219 2220 if (pi->phy.media_type != ICE_MEDIA_BASET && 2221 pi->phy.media_type != ICE_MEDIA_FIBER && 2222 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2223 pi->phy.media_type != ICE_MEDIA_DA && 2224 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2225 return -EOPNOTSUPP; 2226 2227 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2228 if (!phy_caps) 2229 return -ENOMEM; 2230 2231 /* Get the PHY capabilities based on media */ 2232 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2233 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2234 phy_caps, NULL); 2235 else 2236 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2237 phy_caps, NULL); 2238 if (status) { 2239 err = -EIO; 2240 goto done; 2241 } 2242 2243 /* save autoneg out of ksettings */ 2244 autoneg = copy_ks.base.autoneg; 2245 2246 /* Get link modes supported by hardware.*/ 2247 ice_phy_type_to_ethtool(netdev, &safe_ks); 2248 2249 /* and check against modes requested by user. 2250 * Return an error if unsupported mode was set. 2251 */ 2252 if (!bitmap_subset(copy_ks.link_modes.advertising, 2253 safe_ks.link_modes.supported, 2254 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2255 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2256 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"); 2257 err = -EOPNOTSUPP; 2258 goto done; 2259 } 2260 2261 /* get our own copy of the bits to check against */ 2262 memset(&safe_ks, 0, sizeof(safe_ks)); 2263 safe_ks.base.cmd = copy_ks.base.cmd; 2264 safe_ks.base.link_mode_masks_nwords = 2265 copy_ks.base.link_mode_masks_nwords; 2266 ice_get_link_ksettings(netdev, &safe_ks); 2267 2268 /* set autoneg back to what it currently is */ 2269 copy_ks.base.autoneg = safe_ks.base.autoneg; 2270 /* we don't compare the speed */ 2271 copy_ks.base.speed = safe_ks.base.speed; 2272 2273 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2274 * trying to set something that we do not support. 2275 */ 2276 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2277 err = -EOPNOTSUPP; 2278 goto done; 2279 } 2280 2281 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2282 timeout--; 2283 if (!timeout) { 2284 err = -EBUSY; 2285 goto done; 2286 } 2287 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2288 } 2289 2290 /* Copy the current user PHY configuration. The current user PHY 2291 * configuration is initialized during probe from PHY capabilities 2292 * software mode, and updated on set PHY configuration. 2293 */ 2294 config = pi->phy.curr_user_phy_cfg; 2295 2296 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2297 2298 /* Check autoneg */ 2299 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2300 netdev); 2301 2302 if (err) 2303 goto done; 2304 2305 /* Call to get the current link speed */ 2306 pi->phy.get_link_info = true; 2307 status = ice_get_link_status(pi, &linkup); 2308 if (status) { 2309 err = -EIO; 2310 goto done; 2311 } 2312 2313 curr_link_speed = pi->phy.link_info.link_speed; 2314 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2315 2316 /* If speed didn't get set, set it to what it currently is. 2317 * This is needed because if advertise is 0 (as it is when autoneg 2318 * is disabled) then speed won't get set. 2319 */ 2320 if (!adv_link_speed) 2321 adv_link_speed = curr_link_speed; 2322 2323 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2324 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); 2325 2326 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2327 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2328 goto done; 2329 } 2330 2331 /* save the requested speeds */ 2332 pi->phy.link_info.req_speeds = adv_link_speed; 2333 2334 /* set link and auto negotiation so changes take effect */ 2335 config.caps |= ICE_AQ_PHY_ENA_LINK; 2336 2337 /* check if there is a PHY type for the requested advertised speed */ 2338 if (!(phy_type_low || phy_type_high)) { 2339 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"); 2340 err = -EOPNOTSUPP; 2341 goto done; 2342 } 2343 2344 /* intersect requested advertised speed PHY types with media PHY types 2345 * for set PHY configuration 2346 */ 2347 config.phy_type_high = cpu_to_le64(phy_type_high) & 2348 phy_caps->phy_type_high; 2349 config.phy_type_low = cpu_to_le64(phy_type_low) & 2350 phy_caps->phy_type_low; 2351 2352 if (!(config.phy_type_high || config.phy_type_low)) { 2353 /* If there is no intersection and lenient mode is enabled, then 2354 * intersect the requested advertised speed with NVM media type 2355 * PHY types. 2356 */ 2357 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2358 config.phy_type_high = cpu_to_le64(phy_type_high) & 2359 pf->nvm_phy_type_hi; 2360 config.phy_type_low = cpu_to_le64(phy_type_low) & 2361 pf->nvm_phy_type_lo; 2362 } else { 2363 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"); 2364 err = -EOPNOTSUPP; 2365 goto done; 2366 } 2367 } 2368 2369 /* If link is up put link down */ 2370 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2371 /* Tell the OS link is going down, the link will go 2372 * back up when fw says it is ready asynchronously 2373 */ 2374 ice_print_link_msg(np->vsi, false); 2375 netif_carrier_off(netdev); 2376 netif_tx_stop_all_queues(netdev); 2377 } 2378 2379 /* make the aq call */ 2380 status = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2381 if (status) { 2382 netdev_info(netdev, "Set phy config failed,\n"); 2383 err = -EIO; 2384 goto done; 2385 } 2386 2387 /* Save speed request */ 2388 pi->phy.curr_user_speed_req = adv_link_speed; 2389 done: 2390 kfree(phy_caps); 2391 clear_bit(ICE_CFG_BUSY, pf->state); 2392 2393 return err; 2394 } 2395 2396 /** 2397 * ice_parse_hdrs - parses headers from RSS hash input 2398 * @nfc: ethtool rxnfc command 2399 * 2400 * This function parses the rxnfc command and returns intended 2401 * header types for RSS configuration 2402 */ 2403 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2404 { 2405 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2406 2407 switch (nfc->flow_type) { 2408 case TCP_V4_FLOW: 2409 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2410 break; 2411 case UDP_V4_FLOW: 2412 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2413 break; 2414 case SCTP_V4_FLOW: 2415 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2416 break; 2417 case TCP_V6_FLOW: 2418 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2419 break; 2420 case UDP_V6_FLOW: 2421 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2422 break; 2423 case SCTP_V6_FLOW: 2424 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2425 break; 2426 default: 2427 break; 2428 } 2429 return hdrs; 2430 } 2431 2432 #define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) 2433 #define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) 2434 #define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) 2435 #define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) 2436 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) 2437 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) 2438 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) 2439 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) 2440 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ 2441 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) 2442 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ 2443 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) 2444 2445 /** 2446 * ice_parse_hash_flds - parses hash fields from RSS hash input 2447 * @nfc: ethtool rxnfc command 2448 * 2449 * This function parses the rxnfc command and returns intended 2450 * hash fields for RSS configuration 2451 */ 2452 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) 2453 { 2454 u64 hfld = ICE_HASH_INVALID; 2455 2456 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2457 switch (nfc->flow_type) { 2458 case TCP_V4_FLOW: 2459 case UDP_V4_FLOW: 2460 case SCTP_V4_FLOW: 2461 if (nfc->data & RXH_IP_SRC) 2462 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2463 if (nfc->data & RXH_IP_DST) 2464 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2465 break; 2466 case TCP_V6_FLOW: 2467 case UDP_V6_FLOW: 2468 case SCTP_V6_FLOW: 2469 if (nfc->data & RXH_IP_SRC) 2470 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2471 if (nfc->data & RXH_IP_DST) 2472 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2473 break; 2474 default: 2475 break; 2476 } 2477 } 2478 2479 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2480 switch (nfc->flow_type) { 2481 case TCP_V4_FLOW: 2482 case TCP_V6_FLOW: 2483 if (nfc->data & RXH_L4_B_0_1) 2484 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2485 if (nfc->data & RXH_L4_B_2_3) 2486 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2487 break; 2488 case UDP_V4_FLOW: 2489 case UDP_V6_FLOW: 2490 if (nfc->data & RXH_L4_B_0_1) 2491 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2492 if (nfc->data & RXH_L4_B_2_3) 2493 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2494 break; 2495 case SCTP_V4_FLOW: 2496 case SCTP_V6_FLOW: 2497 if (nfc->data & RXH_L4_B_0_1) 2498 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2499 if (nfc->data & RXH_L4_B_2_3) 2500 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2501 break; 2502 default: 2503 break; 2504 } 2505 } 2506 2507 return hfld; 2508 } 2509 2510 /** 2511 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2512 * @vsi: the VSI being configured 2513 * @nfc: ethtool rxnfc command 2514 * 2515 * Returns Success if the flow input set is supported. 2516 */ 2517 static int 2518 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2519 { 2520 struct ice_pf *pf = vsi->back; 2521 enum ice_status status; 2522 struct device *dev; 2523 u64 hashed_flds; 2524 u32 hdrs; 2525 2526 dev = ice_pf_to_dev(pf); 2527 if (ice_is_safe_mode(pf)) { 2528 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2529 vsi->vsi_num); 2530 return -EINVAL; 2531 } 2532 2533 hashed_flds = ice_parse_hash_flds(nfc); 2534 if (hashed_flds == ICE_HASH_INVALID) { 2535 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2536 vsi->vsi_num); 2537 return -EINVAL; 2538 } 2539 2540 hdrs = ice_parse_hdrs(nfc); 2541 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2542 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2543 vsi->vsi_num); 2544 return -EINVAL; 2545 } 2546 2547 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); 2548 if (status) { 2549 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %s\n", 2550 vsi->vsi_num, ice_stat_str(status)); 2551 return -EINVAL; 2552 } 2553 2554 return 0; 2555 } 2556 2557 /** 2558 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2559 * @vsi: the VSI being configured 2560 * @nfc: ethtool rxnfc command 2561 */ 2562 static void 2563 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2564 { 2565 struct ice_pf *pf = vsi->back; 2566 struct device *dev; 2567 u64 hash_flds; 2568 u32 hdrs; 2569 2570 dev = ice_pf_to_dev(pf); 2571 2572 nfc->data = 0; 2573 if (ice_is_safe_mode(pf)) { 2574 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2575 vsi->vsi_num); 2576 return; 2577 } 2578 2579 hdrs = ice_parse_hdrs(nfc); 2580 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2581 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2582 vsi->vsi_num); 2583 return; 2584 } 2585 2586 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); 2587 if (hash_flds == ICE_HASH_INVALID) { 2588 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2589 vsi->vsi_num); 2590 return; 2591 } 2592 2593 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2594 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2595 nfc->data |= (u64)RXH_IP_SRC; 2596 2597 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2598 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2599 nfc->data |= (u64)RXH_IP_DST; 2600 2601 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2602 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2603 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2604 nfc->data |= (u64)RXH_L4_B_0_1; 2605 2606 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2607 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2608 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2609 nfc->data |= (u64)RXH_L4_B_2_3; 2610 } 2611 2612 /** 2613 * ice_set_rxnfc - command to set Rx flow rules. 2614 * @netdev: network interface device structure 2615 * @cmd: ethtool rxnfc command 2616 * 2617 * Returns 0 for success and negative values for errors 2618 */ 2619 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2620 { 2621 struct ice_netdev_priv *np = netdev_priv(netdev); 2622 struct ice_vsi *vsi = np->vsi; 2623 2624 switch (cmd->cmd) { 2625 case ETHTOOL_SRXCLSRLINS: 2626 return ice_add_fdir_ethtool(vsi, cmd); 2627 case ETHTOOL_SRXCLSRLDEL: 2628 return ice_del_fdir_ethtool(vsi, cmd); 2629 case ETHTOOL_SRXFH: 2630 return ice_set_rss_hash_opt(vsi, cmd); 2631 default: 2632 break; 2633 } 2634 return -EOPNOTSUPP; 2635 } 2636 2637 /** 2638 * ice_get_rxnfc - command to get Rx flow classification rules 2639 * @netdev: network interface device structure 2640 * @cmd: ethtool rxnfc command 2641 * @rule_locs: buffer to rturn Rx flow classification rules 2642 * 2643 * Returns Success if the command is supported. 2644 */ 2645 static int 2646 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2647 u32 __always_unused *rule_locs) 2648 { 2649 struct ice_netdev_priv *np = netdev_priv(netdev); 2650 struct ice_vsi *vsi = np->vsi; 2651 int ret = -EOPNOTSUPP; 2652 struct ice_hw *hw; 2653 2654 hw = &vsi->back->hw; 2655 2656 switch (cmd->cmd) { 2657 case ETHTOOL_GRXRINGS: 2658 cmd->data = vsi->rss_size; 2659 ret = 0; 2660 break; 2661 case ETHTOOL_GRXCLSRLCNT: 2662 cmd->rule_cnt = hw->fdir_active_fltr; 2663 /* report total rule count */ 2664 cmd->data = ice_get_fdir_cnt_all(hw); 2665 ret = 0; 2666 break; 2667 case ETHTOOL_GRXCLSRULE: 2668 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2669 break; 2670 case ETHTOOL_GRXCLSRLALL: 2671 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2672 break; 2673 case ETHTOOL_GRXFH: 2674 ice_get_rss_hash_opt(vsi, cmd); 2675 ret = 0; 2676 break; 2677 default: 2678 break; 2679 } 2680 2681 return ret; 2682 } 2683 2684 static void 2685 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2686 { 2687 struct ice_netdev_priv *np = netdev_priv(netdev); 2688 struct ice_vsi *vsi = np->vsi; 2689 2690 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2691 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2692 ring->rx_pending = vsi->rx_rings[0]->count; 2693 ring->tx_pending = vsi->tx_rings[0]->count; 2694 2695 /* Rx mini and jumbo rings are not supported */ 2696 ring->rx_mini_max_pending = 0; 2697 ring->rx_jumbo_max_pending = 0; 2698 ring->rx_mini_pending = 0; 2699 ring->rx_jumbo_pending = 0; 2700 } 2701 2702 static int 2703 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2704 { 2705 struct ice_ring *tx_rings = NULL, *rx_rings = NULL; 2706 struct ice_netdev_priv *np = netdev_priv(netdev); 2707 struct ice_ring *xdp_rings = NULL; 2708 struct ice_vsi *vsi = np->vsi; 2709 struct ice_pf *pf = vsi->back; 2710 int i, timeout = 50, err = 0; 2711 u16 new_rx_cnt, new_tx_cnt; 2712 2713 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2714 ring->tx_pending < ICE_MIN_NUM_DESC || 2715 ring->rx_pending > ICE_MAX_NUM_DESC || 2716 ring->rx_pending < ICE_MIN_NUM_DESC) { 2717 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2718 ring->tx_pending, ring->rx_pending, 2719 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2720 ICE_REQ_DESC_MULTIPLE); 2721 return -EINVAL; 2722 } 2723 2724 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2725 if (new_tx_cnt != ring->tx_pending) 2726 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2727 new_tx_cnt); 2728 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2729 if (new_rx_cnt != ring->rx_pending) 2730 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2731 new_rx_cnt); 2732 2733 /* if nothing to do return success */ 2734 if (new_tx_cnt == vsi->tx_rings[0]->count && 2735 new_rx_cnt == vsi->rx_rings[0]->count) { 2736 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2737 return 0; 2738 } 2739 2740 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2741 * disallow changing the number of descriptors -- regardless 2742 * if the netdev is running or not. 2743 */ 2744 if (ice_xsk_any_rx_ring_ena(vsi)) 2745 return -EBUSY; 2746 2747 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2748 timeout--; 2749 if (!timeout) 2750 return -EBUSY; 2751 usleep_range(1000, 2000); 2752 } 2753 2754 /* set for the next time the netdev is started */ 2755 if (!netif_running(vsi->netdev)) { 2756 for (i = 0; i < vsi->alloc_txq; i++) 2757 vsi->tx_rings[i]->count = new_tx_cnt; 2758 for (i = 0; i < vsi->alloc_rxq; i++) 2759 vsi->rx_rings[i]->count = new_rx_cnt; 2760 if (ice_is_xdp_ena_vsi(vsi)) 2761 for (i = 0; i < vsi->num_xdp_txq; i++) 2762 vsi->xdp_rings[i]->count = new_tx_cnt; 2763 vsi->num_tx_desc = (u16)new_tx_cnt; 2764 vsi->num_rx_desc = (u16)new_rx_cnt; 2765 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2766 goto done; 2767 } 2768 2769 if (new_tx_cnt == vsi->tx_rings[0]->count) 2770 goto process_rx; 2771 2772 /* alloc updated Tx resources */ 2773 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2774 vsi->tx_rings[0]->count, new_tx_cnt); 2775 2776 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2777 if (!tx_rings) { 2778 err = -ENOMEM; 2779 goto done; 2780 } 2781 2782 ice_for_each_txq(vsi, i) { 2783 /* clone ring and setup updated count */ 2784 tx_rings[i] = *vsi->tx_rings[i]; 2785 tx_rings[i].count = new_tx_cnt; 2786 tx_rings[i].desc = NULL; 2787 tx_rings[i].tx_buf = NULL; 2788 err = ice_setup_tx_ring(&tx_rings[i]); 2789 if (err) { 2790 while (i--) 2791 ice_clean_tx_ring(&tx_rings[i]); 2792 kfree(tx_rings); 2793 goto done; 2794 } 2795 } 2796 2797 if (!ice_is_xdp_ena_vsi(vsi)) 2798 goto process_rx; 2799 2800 /* alloc updated XDP resources */ 2801 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2802 vsi->xdp_rings[0]->count, new_tx_cnt); 2803 2804 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2805 if (!xdp_rings) { 2806 err = -ENOMEM; 2807 goto free_tx; 2808 } 2809 2810 for (i = 0; i < vsi->num_xdp_txq; i++) { 2811 /* clone ring and setup updated count */ 2812 xdp_rings[i] = *vsi->xdp_rings[i]; 2813 xdp_rings[i].count = new_tx_cnt; 2814 xdp_rings[i].desc = NULL; 2815 xdp_rings[i].tx_buf = NULL; 2816 err = ice_setup_tx_ring(&xdp_rings[i]); 2817 if (err) { 2818 while (i--) 2819 ice_clean_tx_ring(&xdp_rings[i]); 2820 kfree(xdp_rings); 2821 goto free_tx; 2822 } 2823 ice_set_ring_xdp(&xdp_rings[i]); 2824 } 2825 2826 process_rx: 2827 if (new_rx_cnt == vsi->rx_rings[0]->count) 2828 goto process_link; 2829 2830 /* alloc updated Rx resources */ 2831 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2832 vsi->rx_rings[0]->count, new_rx_cnt); 2833 2834 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2835 if (!rx_rings) { 2836 err = -ENOMEM; 2837 goto done; 2838 } 2839 2840 ice_for_each_rxq(vsi, i) { 2841 /* clone ring and setup updated count */ 2842 rx_rings[i] = *vsi->rx_rings[i]; 2843 rx_rings[i].count = new_rx_cnt; 2844 rx_rings[i].desc = NULL; 2845 rx_rings[i].rx_buf = NULL; 2846 /* this is to allow wr32 to have something to write to 2847 * during early allocation of Rx buffers 2848 */ 2849 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2850 2851 err = ice_setup_rx_ring(&rx_rings[i]); 2852 if (err) 2853 goto rx_unwind; 2854 2855 /* allocate Rx buffers */ 2856 err = ice_alloc_rx_bufs(&rx_rings[i], 2857 ICE_DESC_UNUSED(&rx_rings[i])); 2858 rx_unwind: 2859 if (err) { 2860 while (i) { 2861 i--; 2862 ice_free_rx_ring(&rx_rings[i]); 2863 } 2864 kfree(rx_rings); 2865 err = -ENOMEM; 2866 goto free_tx; 2867 } 2868 } 2869 2870 process_link: 2871 /* Bring interface down, copy in the new ring info, then restore the 2872 * interface. if VSI is up, bring it down and then back up 2873 */ 2874 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 2875 ice_down(vsi); 2876 2877 if (tx_rings) { 2878 ice_for_each_txq(vsi, i) { 2879 ice_free_tx_ring(vsi->tx_rings[i]); 2880 *vsi->tx_rings[i] = tx_rings[i]; 2881 } 2882 kfree(tx_rings); 2883 } 2884 2885 if (rx_rings) { 2886 ice_for_each_rxq(vsi, i) { 2887 ice_free_rx_ring(vsi->rx_rings[i]); 2888 /* copy the real tail offset */ 2889 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2890 /* this is to fake out the allocation routine 2891 * into thinking it has to realloc everything 2892 * but the recycling logic will let us re-use 2893 * the buffers allocated above 2894 */ 2895 rx_rings[i].next_to_use = 0; 2896 rx_rings[i].next_to_clean = 0; 2897 rx_rings[i].next_to_alloc = 0; 2898 *vsi->rx_rings[i] = rx_rings[i]; 2899 } 2900 kfree(rx_rings); 2901 } 2902 2903 if (xdp_rings) { 2904 for (i = 0; i < vsi->num_xdp_txq; i++) { 2905 ice_free_tx_ring(vsi->xdp_rings[i]); 2906 *vsi->xdp_rings[i] = xdp_rings[i]; 2907 } 2908 kfree(xdp_rings); 2909 } 2910 2911 vsi->num_tx_desc = new_tx_cnt; 2912 vsi->num_rx_desc = new_rx_cnt; 2913 ice_up(vsi); 2914 } 2915 goto done; 2916 2917 free_tx: 2918 /* error cleanup if the Rx allocations failed after getting Tx */ 2919 if (tx_rings) { 2920 ice_for_each_txq(vsi, i) 2921 ice_free_tx_ring(&tx_rings[i]); 2922 kfree(tx_rings); 2923 } 2924 2925 done: 2926 clear_bit(ICE_CFG_BUSY, pf->state); 2927 return err; 2928 } 2929 2930 /** 2931 * ice_get_pauseparam - Get Flow Control status 2932 * @netdev: network interface device structure 2933 * @pause: ethernet pause (flow control) parameters 2934 * 2935 * Get requested flow control status from PHY capability. 2936 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2937 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2938 * the negotiated Rx/Tx pause via lp_advertising. 2939 */ 2940 static void 2941 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2942 { 2943 struct ice_netdev_priv *np = netdev_priv(netdev); 2944 struct ice_port_info *pi = np->vsi->port_info; 2945 struct ice_aqc_get_phy_caps_data *pcaps; 2946 struct ice_dcbx_cfg *dcbx_cfg; 2947 enum ice_status status; 2948 2949 /* Initialize pause params */ 2950 pause->rx_pause = 0; 2951 pause->tx_pause = 0; 2952 2953 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 2954 2955 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2956 if (!pcaps) 2957 return; 2958 2959 /* Get current PHY config */ 2960 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 2961 NULL); 2962 if (status) 2963 goto out; 2964 2965 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 2966 AUTONEG_DISABLE; 2967 2968 if (dcbx_cfg->pfc.pfcena) 2969 /* PFC enabled so report LFC as off */ 2970 goto out; 2971 2972 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 2973 pause->tx_pause = 1; 2974 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 2975 pause->rx_pause = 1; 2976 2977 out: 2978 kfree(pcaps); 2979 } 2980 2981 /** 2982 * ice_set_pauseparam - Set Flow Control parameter 2983 * @netdev: network interface device structure 2984 * @pause: return Tx/Rx flow control status 2985 */ 2986 static int 2987 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2988 { 2989 struct ice_netdev_priv *np = netdev_priv(netdev); 2990 struct ice_aqc_get_phy_caps_data *pcaps; 2991 struct ice_link_status *hw_link_info; 2992 struct ice_pf *pf = np->vsi->back; 2993 struct ice_dcbx_cfg *dcbx_cfg; 2994 struct ice_vsi *vsi = np->vsi; 2995 struct ice_hw *hw = &pf->hw; 2996 struct ice_port_info *pi; 2997 enum ice_status status; 2998 u8 aq_failures; 2999 bool link_up; 3000 int err = 0; 3001 u32 is_an; 3002 3003 pi = vsi->port_info; 3004 hw_link_info = &pi->phy.link_info; 3005 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3006 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3007 3008 /* Changing the port's flow control is not supported if this isn't the 3009 * PF VSI 3010 */ 3011 if (vsi->type != ICE_VSI_PF) { 3012 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3013 return -EOPNOTSUPP; 3014 } 3015 3016 /* Get pause param reports configured and negotiated flow control pause 3017 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3018 * defined get pause param pause->autoneg reports SW configured setting, 3019 * so compare pause->autoneg with SW configured to prevent the user from 3020 * using set pause param to chance autoneg. 3021 */ 3022 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3023 if (!pcaps) 3024 return -ENOMEM; 3025 3026 /* Get current PHY config */ 3027 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3028 NULL); 3029 if (status) { 3030 kfree(pcaps); 3031 return -EIO; 3032 } 3033 3034 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3035 AUTONEG_DISABLE; 3036 3037 kfree(pcaps); 3038 3039 if (pause->autoneg != is_an) { 3040 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3041 return -EOPNOTSUPP; 3042 } 3043 3044 /* If we have link and don't have autoneg */ 3045 if (!test_bit(ICE_DOWN, pf->state) && 3046 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3047 /* Send message that it might not necessarily work*/ 3048 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3049 } 3050 3051 if (dcbx_cfg->pfc.pfcena) { 3052 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3053 return -EOPNOTSUPP; 3054 } 3055 if (pause->rx_pause && pause->tx_pause) 3056 pi->fc.req_mode = ICE_FC_FULL; 3057 else if (pause->rx_pause && !pause->tx_pause) 3058 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3059 else if (!pause->rx_pause && pause->tx_pause) 3060 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3061 else if (!pause->rx_pause && !pause->tx_pause) 3062 pi->fc.req_mode = ICE_FC_NONE; 3063 else 3064 return -EINVAL; 3065 3066 /* Set the FC mode and only restart AN if link is up */ 3067 status = ice_set_fc(pi, &aq_failures, link_up); 3068 3069 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3070 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 3071 ice_stat_str(status), 3072 ice_aq_str(hw->adminq.sq_last_status)); 3073 err = -EAGAIN; 3074 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3075 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 3076 ice_stat_str(status), 3077 ice_aq_str(hw->adminq.sq_last_status)); 3078 err = -EAGAIN; 3079 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3080 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 3081 ice_stat_str(status), 3082 ice_aq_str(hw->adminq.sq_last_status)); 3083 err = -EAGAIN; 3084 } 3085 3086 return err; 3087 } 3088 3089 /** 3090 * ice_get_rxfh_key_size - get the RSS hash key size 3091 * @netdev: network interface device structure 3092 * 3093 * Returns the table size. 3094 */ 3095 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3096 { 3097 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3098 } 3099 3100 /** 3101 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3102 * @netdev: network interface device structure 3103 * 3104 * Returns the table size. 3105 */ 3106 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3107 { 3108 struct ice_netdev_priv *np = netdev_priv(netdev); 3109 3110 return np->vsi->rss_table_size; 3111 } 3112 3113 /** 3114 * ice_get_rxfh - get the Rx flow hash indirection table 3115 * @netdev: network interface device structure 3116 * @indir: indirection table 3117 * @key: hash key 3118 * @hfunc: hash function 3119 * 3120 * Reads the indirection table directly from the hardware. 3121 */ 3122 static int 3123 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3124 { 3125 struct ice_netdev_priv *np = netdev_priv(netdev); 3126 struct ice_vsi *vsi = np->vsi; 3127 struct ice_pf *pf = vsi->back; 3128 int err, i; 3129 u8 *lut; 3130 3131 if (hfunc) 3132 *hfunc = ETH_RSS_HASH_TOP; 3133 3134 if (!indir) 3135 return 0; 3136 3137 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3138 /* RSS not supported return error here */ 3139 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3140 return -EIO; 3141 } 3142 3143 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3144 if (!lut) 3145 return -ENOMEM; 3146 3147 err = ice_get_rss_key(vsi, key); 3148 if (err) 3149 goto out; 3150 3151 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size); 3152 if (err) 3153 goto out; 3154 3155 for (i = 0; i < vsi->rss_table_size; i++) 3156 indir[i] = (u32)(lut[i]); 3157 3158 out: 3159 kfree(lut); 3160 return err; 3161 } 3162 3163 /** 3164 * ice_set_rxfh - set the Rx flow hash indirection table 3165 * @netdev: network interface device structure 3166 * @indir: indirection table 3167 * @key: hash key 3168 * @hfunc: hash function 3169 * 3170 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3171 * returns 0 after programming the table. 3172 */ 3173 static int 3174 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3175 const u8 hfunc) 3176 { 3177 struct ice_netdev_priv *np = netdev_priv(netdev); 3178 struct ice_vsi *vsi = np->vsi; 3179 struct ice_pf *pf = vsi->back; 3180 struct device *dev; 3181 int err; 3182 3183 dev = ice_pf_to_dev(pf); 3184 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3185 return -EOPNOTSUPP; 3186 3187 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3188 /* RSS not supported return error here */ 3189 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3190 return -EIO; 3191 } 3192 3193 if (key) { 3194 if (!vsi->rss_hkey_user) { 3195 vsi->rss_hkey_user = 3196 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3197 GFP_KERNEL); 3198 if (!vsi->rss_hkey_user) 3199 return -ENOMEM; 3200 } 3201 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3202 3203 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3204 if (err) 3205 return err; 3206 } 3207 3208 if (!vsi->rss_lut_user) { 3209 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3210 GFP_KERNEL); 3211 if (!vsi->rss_lut_user) 3212 return -ENOMEM; 3213 } 3214 3215 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3216 if (indir) { 3217 int i; 3218 3219 for (i = 0; i < vsi->rss_table_size; i++) 3220 vsi->rss_lut_user[i] = (u8)(indir[i]); 3221 } else { 3222 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3223 vsi->rss_size); 3224 } 3225 3226 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3227 if (err) 3228 return err; 3229 3230 return 0; 3231 } 3232 3233 static int 3234 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) 3235 { 3236 struct ice_pf *pf = ice_netdev_to_pf(dev); 3237 3238 /* only report timestamping if PTP is enabled */ 3239 if (!test_bit(ICE_FLAG_PTP, pf->flags)) 3240 return ethtool_op_get_ts_info(dev, info); 3241 3242 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3243 SOF_TIMESTAMPING_RX_SOFTWARE | 3244 SOF_TIMESTAMPING_SOFTWARE | 3245 SOF_TIMESTAMPING_TX_HARDWARE | 3246 SOF_TIMESTAMPING_RX_HARDWARE | 3247 SOF_TIMESTAMPING_RAW_HARDWARE; 3248 3249 info->phc_index = ice_get_ptp_clock_index(pf); 3250 3251 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3252 3253 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3254 3255 return 0; 3256 } 3257 3258 /** 3259 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3260 * @pf: PF structure 3261 */ 3262 static int ice_get_max_txq(struct ice_pf *pf) 3263 { 3264 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3265 (u16)pf->hw.func_caps.common_cap.num_txq); 3266 } 3267 3268 /** 3269 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3270 * @pf: PF structure 3271 */ 3272 static int ice_get_max_rxq(struct ice_pf *pf) 3273 { 3274 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3275 (u16)pf->hw.func_caps.common_cap.num_rxq); 3276 } 3277 3278 /** 3279 * ice_get_combined_cnt - return the current number of combined channels 3280 * @vsi: PF VSI pointer 3281 * 3282 * Go through all queue vectors and count ones that have both Rx and Tx ring 3283 * attached 3284 */ 3285 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3286 { 3287 u32 combined = 0; 3288 int q_idx; 3289 3290 ice_for_each_q_vector(vsi, q_idx) { 3291 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3292 3293 if (q_vector->rx.ring && q_vector->tx.ring) 3294 combined++; 3295 } 3296 3297 return combined; 3298 } 3299 3300 /** 3301 * ice_get_channels - get the current and max supported channels 3302 * @dev: network interface device structure 3303 * @ch: ethtool channel data structure 3304 */ 3305 static void 3306 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3307 { 3308 struct ice_netdev_priv *np = netdev_priv(dev); 3309 struct ice_vsi *vsi = np->vsi; 3310 struct ice_pf *pf = vsi->back; 3311 3312 /* report maximum channels */ 3313 ch->max_rx = ice_get_max_rxq(pf); 3314 ch->max_tx = ice_get_max_txq(pf); 3315 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3316 3317 /* report current channels */ 3318 ch->combined_count = ice_get_combined_cnt(vsi); 3319 ch->rx_count = vsi->num_rxq - ch->combined_count; 3320 ch->tx_count = vsi->num_txq - ch->combined_count; 3321 3322 /* report other queues */ 3323 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3324 ch->max_other = ch->other_count; 3325 } 3326 3327 /** 3328 * ice_get_valid_rss_size - return valid number of RSS queues 3329 * @hw: pointer to the HW structure 3330 * @new_size: requested RSS queues 3331 */ 3332 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3333 { 3334 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3335 3336 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3337 } 3338 3339 /** 3340 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3341 * @vsi: VSI to reconfigure RSS LUT on 3342 * @req_rss_size: requested range of queue numbers for hashing 3343 * 3344 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3345 */ 3346 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3347 { 3348 struct ice_pf *pf = vsi->back; 3349 struct device *dev; 3350 struct ice_hw *hw; 3351 int err; 3352 u8 *lut; 3353 3354 dev = ice_pf_to_dev(pf); 3355 hw = &pf->hw; 3356 3357 if (!req_rss_size) 3358 return -EINVAL; 3359 3360 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3361 if (!lut) 3362 return -ENOMEM; 3363 3364 /* set RSS LUT parameters */ 3365 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3366 vsi->rss_size = 1; 3367 else 3368 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3369 3370 /* create/set RSS LUT */ 3371 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3372 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3373 if (err) 3374 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3375 ice_aq_str(hw->adminq.sq_last_status)); 3376 3377 kfree(lut); 3378 return err; 3379 } 3380 3381 /** 3382 * ice_set_channels - set the number channels 3383 * @dev: network interface device structure 3384 * @ch: ethtool channel data structure 3385 */ 3386 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3387 { 3388 struct ice_netdev_priv *np = netdev_priv(dev); 3389 struct ice_vsi *vsi = np->vsi; 3390 struct ice_pf *pf = vsi->back; 3391 int new_rx = 0, new_tx = 0; 3392 u32 curr_combined; 3393 3394 /* do not support changing channels in Safe Mode */ 3395 if (ice_is_safe_mode(pf)) { 3396 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3397 return -EOPNOTSUPP; 3398 } 3399 /* do not support changing other_count */ 3400 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3401 return -EINVAL; 3402 3403 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3404 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3405 return -EOPNOTSUPP; 3406 } 3407 3408 curr_combined = ice_get_combined_cnt(vsi); 3409 3410 /* these checks are for cases where user didn't specify a particular 3411 * value on cmd line but we get non-zero value anyway via 3412 * get_channels(); look at ethtool.c in ethtool repository (the user 3413 * space part), particularly, do_schannels() routine 3414 */ 3415 if (ch->rx_count == vsi->num_rxq - curr_combined) 3416 ch->rx_count = 0; 3417 if (ch->tx_count == vsi->num_txq - curr_combined) 3418 ch->tx_count = 0; 3419 if (ch->combined_count == curr_combined) 3420 ch->combined_count = 0; 3421 3422 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3423 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3424 return -EINVAL; 3425 } 3426 3427 new_rx = ch->combined_count + ch->rx_count; 3428 new_tx = ch->combined_count + ch->tx_count; 3429 3430 if (new_rx > ice_get_max_rxq(pf)) { 3431 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3432 ice_get_max_rxq(pf)); 3433 return -EINVAL; 3434 } 3435 if (new_tx > ice_get_max_txq(pf)) { 3436 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3437 ice_get_max_txq(pf)); 3438 return -EINVAL; 3439 } 3440 3441 ice_vsi_recfg_qs(vsi, new_rx, new_tx); 3442 3443 if (!netif_is_rxfh_configured(dev)) 3444 return ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3445 3446 /* Update rss_size due to change in Rx queues */ 3447 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3448 3449 return 0; 3450 } 3451 3452 /** 3453 * ice_get_wol - get current Wake on LAN configuration 3454 * @netdev: network interface device structure 3455 * @wol: Ethtool structure to retrieve WoL settings 3456 */ 3457 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3458 { 3459 struct ice_netdev_priv *np = netdev_priv(netdev); 3460 struct ice_pf *pf = np->vsi->back; 3461 3462 if (np->vsi->type != ICE_VSI_PF) 3463 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3464 3465 /* Get WoL settings based on the HW capability */ 3466 if (ice_is_wol_supported(&pf->hw)) { 3467 wol->supported = WAKE_MAGIC; 3468 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3469 } else { 3470 wol->supported = 0; 3471 wol->wolopts = 0; 3472 } 3473 } 3474 3475 /** 3476 * ice_set_wol - set Wake on LAN on supported device 3477 * @netdev: network interface device structure 3478 * @wol: Ethtool structure to set WoL 3479 */ 3480 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3481 { 3482 struct ice_netdev_priv *np = netdev_priv(netdev); 3483 struct ice_vsi *vsi = np->vsi; 3484 struct ice_pf *pf = vsi->back; 3485 3486 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 3487 return -EOPNOTSUPP; 3488 3489 /* only magic packet is supported */ 3490 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3491 return -EOPNOTSUPP; 3492 3493 /* Set WoL only if there is a new value */ 3494 if (pf->wol_ena != !!wol->wolopts) { 3495 pf->wol_ena = !!wol->wolopts; 3496 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3497 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3498 pf->wol_ena ? "en" : "dis"); 3499 } 3500 3501 return 0; 3502 } 3503 3504 enum ice_container_type { 3505 ICE_RX_CONTAINER, 3506 ICE_TX_CONTAINER, 3507 }; 3508 3509 /** 3510 * ice_get_rc_coalesce - get ITR values for specific ring container 3511 * @ec: ethtool structure to fill with driver's coalesce settings 3512 * @c_type: container type, Rx or Tx 3513 * @rc: ring container that the ITR values will come from 3514 * 3515 * Query the device for ice_ring_container specific ITR values. This is 3516 * done per ice_ring_container because each q_vector can have 1 or more rings 3517 * and all of said ring(s) will have the same ITR values. 3518 * 3519 * Returns 0 on success, negative otherwise. 3520 */ 3521 static int 3522 ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type, 3523 struct ice_ring_container *rc) 3524 { 3525 if (!rc->ring) 3526 return -EINVAL; 3527 3528 switch (c_type) { 3529 case ICE_RX_CONTAINER: 3530 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 3531 ec->rx_coalesce_usecs = rc->itr_setting; 3532 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl; 3533 break; 3534 case ICE_TX_CONTAINER: 3535 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 3536 ec->tx_coalesce_usecs = rc->itr_setting; 3537 break; 3538 default: 3539 dev_dbg(ice_pf_to_dev(rc->ring->vsi->back), "Invalid c_type %d\n", c_type); 3540 return -EINVAL; 3541 } 3542 3543 return 0; 3544 } 3545 3546 /** 3547 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3548 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3549 * @ec: coalesce settings to program the device with 3550 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3551 * 3552 * Return 0 on success, and negative under the following conditions: 3553 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3554 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3555 */ 3556 static int 3557 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3558 { 3559 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3560 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3561 &vsi->rx_rings[q_num]->q_vector->rx)) 3562 return -EINVAL; 3563 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3564 &vsi->tx_rings[q_num]->q_vector->tx)) 3565 return -EINVAL; 3566 } else if (q_num < vsi->num_rxq) { 3567 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3568 &vsi->rx_rings[q_num]->q_vector->rx)) 3569 return -EINVAL; 3570 } else if (q_num < vsi->num_txq) { 3571 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3572 &vsi->tx_rings[q_num]->q_vector->tx)) 3573 return -EINVAL; 3574 } else { 3575 return -EINVAL; 3576 } 3577 3578 return 0; 3579 } 3580 3581 /** 3582 * __ice_get_coalesce - get ITR/INTRL values for the device 3583 * @netdev: pointer to the netdev associated with this query 3584 * @ec: ethtool structure to fill with driver's coalesce settings 3585 * @q_num: queue number to get the coalesce settings for 3586 * 3587 * If the caller passes in a negative q_num then we return coalesce settings 3588 * based on queue number 0, else use the actual q_num passed in. 3589 */ 3590 static int 3591 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3592 int q_num) 3593 { 3594 struct ice_netdev_priv *np = netdev_priv(netdev); 3595 struct ice_vsi *vsi = np->vsi; 3596 3597 if (q_num < 0) 3598 q_num = 0; 3599 3600 if (ice_get_q_coalesce(vsi, ec, q_num)) 3601 return -EINVAL; 3602 3603 return 0; 3604 } 3605 3606 static int ice_get_coalesce(struct net_device *netdev, 3607 struct ethtool_coalesce *ec, 3608 struct kernel_ethtool_coalesce *kernel_coal, 3609 struct netlink_ext_ack *extack) 3610 { 3611 return __ice_get_coalesce(netdev, ec, -1); 3612 } 3613 3614 static int 3615 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3616 struct ethtool_coalesce *ec) 3617 { 3618 return __ice_get_coalesce(netdev, ec, q_num); 3619 } 3620 3621 /** 3622 * ice_set_rc_coalesce - set ITR values for specific ring container 3623 * @c_type: container type, Rx or Tx 3624 * @ec: ethtool structure from user to update ITR settings 3625 * @rc: ring container that the ITR values will come from 3626 * @vsi: VSI associated to the ring container 3627 * 3628 * Set specific ITR values. This is done per ice_ring_container because each 3629 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3630 * ITR values. 3631 * 3632 * Returns 0 on success, negative otherwise. 3633 */ 3634 static int 3635 ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, 3636 struct ice_ring_container *rc, struct ice_vsi *vsi) 3637 { 3638 const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3639 u32 use_adaptive_coalesce, coalesce_usecs; 3640 struct ice_pf *pf = vsi->back; 3641 u16 itr_setting; 3642 3643 if (!rc->ring) 3644 return -EINVAL; 3645 3646 switch (c_type) { 3647 case ICE_RX_CONTAINER: 3648 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3649 (ec->rx_coalesce_usecs_high && 3650 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3651 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3652 c_type_str, pf->hw.intrl_gran, 3653 ICE_MAX_INTRL); 3654 return -EINVAL; 3655 } 3656 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl && 3657 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 3658 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 3659 c_type_str); 3660 return -EINVAL; 3661 } 3662 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) { 3663 rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high; 3664 ice_write_intrl(rc->ring->q_vector, 3665 ec->rx_coalesce_usecs_high); 3666 } 3667 3668 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3669 coalesce_usecs = ec->rx_coalesce_usecs; 3670 3671 break; 3672 case ICE_TX_CONTAINER: 3673 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3674 coalesce_usecs = ec->tx_coalesce_usecs; 3675 3676 break; 3677 default: 3678 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3679 c_type); 3680 return -EINVAL; 3681 } 3682 3683 itr_setting = rc->itr_setting; 3684 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3685 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3686 c_type_str, c_type_str); 3687 return -EINVAL; 3688 } 3689 3690 if (coalesce_usecs > ICE_ITR_MAX) { 3691 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3692 c_type_str, ICE_ITR_MAX); 3693 return -EINVAL; 3694 } 3695 3696 if (use_adaptive_coalesce) { 3697 rc->itr_mode = ITR_DYNAMIC; 3698 } else { 3699 rc->itr_mode = ITR_STATIC; 3700 /* store user facing value how it was set */ 3701 rc->itr_setting = coalesce_usecs; 3702 /* write the change to the register */ 3703 ice_write_itr(rc, coalesce_usecs); 3704 /* force writes to take effect immediately, the flush shouldn't 3705 * be done in the functions above because the intent is for 3706 * them to do lazy writes. 3707 */ 3708 ice_flush(&pf->hw); 3709 } 3710 3711 return 0; 3712 } 3713 3714 /** 3715 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3716 * @vsi: VSI associated to the queue that need updating 3717 * @ec: coalesce settings to program the device with 3718 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3719 * 3720 * Return 0 on success, and negative under the following conditions: 3721 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3722 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3723 */ 3724 static int 3725 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3726 { 3727 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3728 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3729 &vsi->rx_rings[q_num]->q_vector->rx, 3730 vsi)) 3731 return -EINVAL; 3732 3733 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3734 &vsi->tx_rings[q_num]->q_vector->tx, 3735 vsi)) 3736 return -EINVAL; 3737 } else if (q_num < vsi->num_rxq) { 3738 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3739 &vsi->rx_rings[q_num]->q_vector->rx, 3740 vsi)) 3741 return -EINVAL; 3742 } else if (q_num < vsi->num_txq) { 3743 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3744 &vsi->tx_rings[q_num]->q_vector->tx, 3745 vsi)) 3746 return -EINVAL; 3747 } else { 3748 return -EINVAL; 3749 } 3750 3751 return 0; 3752 } 3753 3754 /** 3755 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3756 * @netdev: netdev used for print 3757 * @itr_setting: previous user setting 3758 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3759 * @coalesce_usecs: requested value of [tx|rx]-usecs 3760 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3761 */ 3762 static void 3763 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3764 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3765 const char *c_type_str) 3766 { 3767 if (use_adaptive_coalesce) 3768 return; 3769 3770 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3771 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", 3772 c_type_str, coalesce_usecs, c_type_str, 3773 ITR_REG_ALIGN(coalesce_usecs)); 3774 } 3775 3776 /** 3777 * __ice_set_coalesce - set ITR/INTRL values for the device 3778 * @netdev: pointer to the netdev associated with this query 3779 * @ec: ethtool structure to fill with driver's coalesce settings 3780 * @q_num: queue number to get the coalesce settings for 3781 * 3782 * If the caller passes in a negative q_num then we set the coalesce settings 3783 * for all Tx/Rx queues, else use the actual q_num passed in. 3784 */ 3785 static int 3786 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3787 int q_num) 3788 { 3789 struct ice_netdev_priv *np = netdev_priv(netdev); 3790 struct ice_vsi *vsi = np->vsi; 3791 3792 if (q_num < 0) { 3793 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3794 int v_idx; 3795 3796 if (q_vector) { 3797 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3798 ec->use_adaptive_rx_coalesce, 3799 ec->rx_coalesce_usecs, "rx"); 3800 3801 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3802 ec->use_adaptive_tx_coalesce, 3803 ec->tx_coalesce_usecs, "tx"); 3804 } 3805 3806 ice_for_each_q_vector(vsi, v_idx) { 3807 /* In some cases if DCB is configured the num_[rx|tx]q 3808 * can be less than vsi->num_q_vectors. This check 3809 * accounts for that so we don't report a false failure 3810 */ 3811 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3812 goto set_complete; 3813 3814 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3815 return -EINVAL; 3816 } 3817 goto set_complete; 3818 } 3819 3820 if (ice_set_q_coalesce(vsi, ec, q_num)) 3821 return -EINVAL; 3822 3823 set_complete: 3824 return 0; 3825 } 3826 3827 static int ice_set_coalesce(struct net_device *netdev, 3828 struct ethtool_coalesce *ec, 3829 struct kernel_ethtool_coalesce *kernel_coal, 3830 struct netlink_ext_ack *extack) 3831 { 3832 return __ice_set_coalesce(netdev, ec, -1); 3833 } 3834 3835 static int 3836 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3837 struct ethtool_coalesce *ec) 3838 { 3839 return __ice_set_coalesce(netdev, ec, q_num); 3840 } 3841 3842 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 3843 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 3844 #define ICE_MODULE_TYPE_SFP 0x03 3845 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 3846 #define ICE_MODULE_TYPE_QSFP28 0x11 3847 #define ICE_MODULE_SFF_ADDR_MODE 0x04 3848 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 3849 #define ICE_MODULE_REVISION_ADDR 0x01 3850 #define ICE_MODULE_SFF_8472_COMP 0x5E 3851 #define ICE_MODULE_SFF_8472_SWAP 0x5C 3852 #define ICE_MODULE_QSFP_MAX_LEN 640 3853 3854 /** 3855 * ice_get_module_info - get SFF module type and revision information 3856 * @netdev: network interface device structure 3857 * @modinfo: module EEPROM size and layout information structure 3858 */ 3859 static int 3860 ice_get_module_info(struct net_device *netdev, 3861 struct ethtool_modinfo *modinfo) 3862 { 3863 struct ice_netdev_priv *np = netdev_priv(netdev); 3864 struct ice_vsi *vsi = np->vsi; 3865 struct ice_pf *pf = vsi->back; 3866 struct ice_hw *hw = &pf->hw; 3867 enum ice_status status; 3868 u8 sff8472_comp = 0; 3869 u8 sff8472_swap = 0; 3870 u8 sff8636_rev = 0; 3871 u8 value = 0; 3872 3873 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 3874 0, &value, 1, 0, NULL); 3875 if (status) 3876 return -EIO; 3877 3878 switch (value) { 3879 case ICE_MODULE_TYPE_SFP: 3880 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3881 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 3882 &sff8472_comp, 1, 0, NULL); 3883 if (status) 3884 return -EIO; 3885 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3886 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 3887 &sff8472_swap, 1, 0, NULL); 3888 if (status) 3889 return -EIO; 3890 3891 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 3892 modinfo->type = ETH_MODULE_SFF_8079; 3893 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3894 } else if (sff8472_comp && 3895 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 3896 modinfo->type = ETH_MODULE_SFF_8472; 3897 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 3898 } else { 3899 modinfo->type = ETH_MODULE_SFF_8079; 3900 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3901 } 3902 break; 3903 case ICE_MODULE_TYPE_QSFP_PLUS: 3904 case ICE_MODULE_TYPE_QSFP28: 3905 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3906 ICE_MODULE_REVISION_ADDR, 0x00, 0, 3907 &sff8636_rev, 1, 0, NULL); 3908 if (status) 3909 return -EIO; 3910 /* Check revision compliance */ 3911 if (sff8636_rev > 0x02) { 3912 /* Module is SFF-8636 compliant */ 3913 modinfo->type = ETH_MODULE_SFF_8636; 3914 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3915 } else { 3916 modinfo->type = ETH_MODULE_SFF_8436; 3917 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3918 } 3919 break; 3920 default: 3921 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 3922 return -EINVAL; 3923 } 3924 return 0; 3925 } 3926 3927 /** 3928 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 3929 * @netdev: network interface device structure 3930 * @ee: EEPROM dump request structure 3931 * @data: buffer to be filled with EEPROM contents 3932 */ 3933 static int 3934 ice_get_module_eeprom(struct net_device *netdev, 3935 struct ethtool_eeprom *ee, u8 *data) 3936 { 3937 struct ice_netdev_priv *np = netdev_priv(netdev); 3938 #define SFF_READ_BLOCK_SIZE 8 3939 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 3940 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 3941 struct ice_vsi *vsi = np->vsi; 3942 struct ice_pf *pf = vsi->back; 3943 struct ice_hw *hw = &pf->hw; 3944 enum ice_status status; 3945 bool is_sfp = false; 3946 unsigned int i, j; 3947 u16 offset = 0; 3948 u8 page = 0; 3949 3950 if (!ee || !ee->len || !data) 3951 return -EINVAL; 3952 3953 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 3954 NULL); 3955 if (status) 3956 return -EIO; 3957 3958 if (value[0] == ICE_MODULE_TYPE_SFP) 3959 is_sfp = true; 3960 3961 memset(data, 0, ee->len); 3962 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 3963 offset = i + ee->offset; 3964 page = 0; 3965 3966 /* Check if we need to access the other memory page */ 3967 if (is_sfp) { 3968 if (offset >= ETH_MODULE_SFF_8079_LEN) { 3969 offset -= ETH_MODULE_SFF_8079_LEN; 3970 addr = ICE_I2C_EEPROM_DEV_ADDR2; 3971 } 3972 } else { 3973 while (offset >= ETH_MODULE_SFF_8436_LEN) { 3974 /* Compute memory page number and offset. */ 3975 offset -= ETH_MODULE_SFF_8436_LEN / 2; 3976 page++; 3977 } 3978 } 3979 3980 /* Bit 2 of EEPROM address 0x02 declares upper 3981 * pages are disabled on QSFP modules. 3982 * SFP modules only ever use page 0. 3983 */ 3984 if (page == 0 || !(data[0x2] & 0x4)) { 3985 /* If i2c bus is busy due to slow page change or 3986 * link management access, call can fail. This is normal. 3987 * So we retry this a few times. 3988 */ 3989 for (j = 0; j < 4; j++) { 3990 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 3991 !is_sfp, value, 3992 SFF_READ_BLOCK_SIZE, 3993 0, NULL); 3994 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n", 3995 addr, offset, page, is_sfp, 3996 value[0], value[1], value[2], value[3], 3997 value[4], value[5], value[6], value[7], 3998 status); 3999 if (status) { 4000 usleep_range(1500, 2500); 4001 memset(value, 0, SFF_READ_BLOCK_SIZE); 4002 continue; 4003 } 4004 break; 4005 } 4006 4007 /* Make sure we have enough room for the new block */ 4008 if ((i + SFF_READ_BLOCK_SIZE) < ee->len) 4009 memcpy(data + i, value, SFF_READ_BLOCK_SIZE); 4010 } 4011 } 4012 return 0; 4013 } 4014 4015 static const struct ethtool_ops ice_ethtool_ops = { 4016 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 4017 ETHTOOL_COALESCE_USE_ADAPTIVE | 4018 ETHTOOL_COALESCE_RX_USECS_HIGH, 4019 .get_link_ksettings = ice_get_link_ksettings, 4020 .set_link_ksettings = ice_set_link_ksettings, 4021 .get_drvinfo = ice_get_drvinfo, 4022 .get_regs_len = ice_get_regs_len, 4023 .get_regs = ice_get_regs, 4024 .get_wol = ice_get_wol, 4025 .set_wol = ice_set_wol, 4026 .get_msglevel = ice_get_msglevel, 4027 .set_msglevel = ice_set_msglevel, 4028 .self_test = ice_self_test, 4029 .get_link = ethtool_op_get_link, 4030 .get_eeprom_len = ice_get_eeprom_len, 4031 .get_eeprom = ice_get_eeprom, 4032 .get_coalesce = ice_get_coalesce, 4033 .set_coalesce = ice_set_coalesce, 4034 .get_strings = ice_get_strings, 4035 .set_phys_id = ice_set_phys_id, 4036 .get_ethtool_stats = ice_get_ethtool_stats, 4037 .get_priv_flags = ice_get_priv_flags, 4038 .set_priv_flags = ice_set_priv_flags, 4039 .get_sset_count = ice_get_sset_count, 4040 .get_rxnfc = ice_get_rxnfc, 4041 .set_rxnfc = ice_set_rxnfc, 4042 .get_ringparam = ice_get_ringparam, 4043 .set_ringparam = ice_set_ringparam, 4044 .nway_reset = ice_nway_reset, 4045 .get_pauseparam = ice_get_pauseparam, 4046 .set_pauseparam = ice_set_pauseparam, 4047 .get_rxfh_key_size = ice_get_rxfh_key_size, 4048 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4049 .get_rxfh = ice_get_rxfh, 4050 .set_rxfh = ice_set_rxfh, 4051 .get_channels = ice_get_channels, 4052 .set_channels = ice_set_channels, 4053 .get_ts_info = ice_get_ts_info, 4054 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4055 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4056 .get_fecparam = ice_get_fecparam, 4057 .set_fecparam = ice_set_fecparam, 4058 .get_module_info = ice_get_module_info, 4059 .get_module_eeprom = ice_get_module_eeprom, 4060 }; 4061 4062 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4063 .get_link_ksettings = ice_get_link_ksettings, 4064 .set_link_ksettings = ice_set_link_ksettings, 4065 .get_drvinfo = ice_get_drvinfo, 4066 .get_regs_len = ice_get_regs_len, 4067 .get_regs = ice_get_regs, 4068 .get_wol = ice_get_wol, 4069 .set_wol = ice_set_wol, 4070 .get_msglevel = ice_get_msglevel, 4071 .set_msglevel = ice_set_msglevel, 4072 .get_link = ethtool_op_get_link, 4073 .get_eeprom_len = ice_get_eeprom_len, 4074 .get_eeprom = ice_get_eeprom, 4075 .get_strings = ice_get_strings, 4076 .get_ethtool_stats = ice_get_ethtool_stats, 4077 .get_sset_count = ice_get_sset_count, 4078 .get_ringparam = ice_get_ringparam, 4079 .set_ringparam = ice_set_ringparam, 4080 .nway_reset = ice_nway_reset, 4081 .get_channels = ice_get_channels, 4082 }; 4083 4084 /** 4085 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4086 * @netdev: network interface device structure 4087 */ 4088 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4089 { 4090 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4091 } 4092 4093 static const struct ethtool_ops ice_ethtool_repr_ops = { 4094 .get_drvinfo = ice_repr_get_drvinfo, 4095 .get_link = ethtool_op_get_link, 4096 .get_strings = ice_get_strings, 4097 .get_ethtool_stats = ice_get_ethtool_stats, 4098 .get_sset_count = ice_get_sset_count, 4099 }; 4100 4101 /** 4102 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops 4103 * @netdev: network interface device structure 4104 */ 4105 void ice_set_ethtool_repr_ops(struct net_device *netdev) 4106 { 4107 netdev->ethtool_ops = &ice_ethtool_repr_ops; 4108 } 4109 4110 /** 4111 * ice_set_ethtool_ops - setup netdev ethtool ops 4112 * @netdev: network interface device structure 4113 * 4114 * setup netdev ethtool ops with ice specific ops 4115 */ 4116 void ice_set_ethtool_ops(struct net_device *netdev) 4117 { 4118 netdev->ethtool_ops = &ice_ethtool_ops; 4119 } 4120