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