1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 /* ethtool support for ice */ 5 6 #include "ice.h" 7 #include "ice_flow.h" 8 #include "ice_fltr.h" 9 #include "ice_lib.h" 10 #include "ice_dcb_lib.h" 11 #include <net/dcbnl.h> 12 13 struct ice_stats { 14 char stat_string[ETH_GSTRING_LEN]; 15 int sizeof_stat; 16 int stat_offset; 17 }; 18 19 #define ICE_STAT(_type, _name, _stat) { \ 20 .stat_string = _name, \ 21 .sizeof_stat = sizeof_field(_type, _stat), \ 22 .stat_offset = offsetof(_type, _stat) \ 23 } 24 25 #define ICE_VSI_STAT(_name, _stat) \ 26 ICE_STAT(struct ice_vsi, _name, _stat) 27 #define ICE_PF_STAT(_name, _stat) \ 28 ICE_STAT(struct ice_pf, _name, _stat) 29 30 static int ice_q_stats_len(struct net_device *netdev) 31 { 32 struct ice_netdev_priv *np = netdev_priv(netdev); 33 34 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 35 (sizeof(struct ice_q_stats) / sizeof(u64))); 36 } 37 38 #define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 39 #define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 40 41 #define ICE_PFC_STATS_LEN ( \ 42 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \ 43 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \ 44 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \ 45 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \ 46 / sizeof(u64)) 47 #define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 48 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 49 50 static const struct ice_stats ice_gstrings_vsi_stats[] = { 51 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 52 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 53 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 54 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 55 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 56 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 57 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 58 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 59 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 60 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 61 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 62 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 63 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 64 ICE_VSI_STAT("tx_linearize", tx_linearize), 65 ICE_VSI_STAT("tx_busy", tx_busy), 66 ICE_VSI_STAT("tx_restart", tx_restart), 67 }; 68 69 enum ice_ethtool_test_id { 70 ICE_ETH_TEST_REG = 0, 71 ICE_ETH_TEST_EEPROM, 72 ICE_ETH_TEST_INTR, 73 ICE_ETH_TEST_LOOP, 74 ICE_ETH_TEST_LINK, 75 }; 76 77 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 78 "Register test (offline)", 79 "EEPROM test (offline)", 80 "Interrupt test (offline)", 81 "Loopback test (offline)", 82 "Link test (on/offline)", 83 }; 84 85 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 86 87 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 88 * but they aren't. This device is capable of supporting multiple 89 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 90 * netdevs whereas the PF_STATs are for the physical function that's 91 * hosting these netdevs. 92 * 93 * The PF_STATs are appended to the netdev stats only when ethtool -S 94 * is queried on the base PF netdev. 95 */ 96 static const struct ice_stats ice_gstrings_pf_stats[] = { 97 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 98 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 99 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 100 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 101 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 102 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 103 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 104 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 105 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 106 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count), 107 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 108 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 109 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 110 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 111 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 112 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 113 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 114 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 115 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 116 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 117 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 118 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 119 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 120 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 121 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 122 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 123 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 124 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 125 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 126 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 127 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 128 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 129 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 130 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 131 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors), 132 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 133 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 134 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 135 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 136 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 137 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), 138 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), 139 }; 140 141 static const u32 ice_regs_dump_list[] = { 142 PFGEN_STATE, 143 PRTGEN_STATUS, 144 QRX_CTRL(0), 145 QINT_TQCTL(0), 146 QINT_RQCTL(0), 147 PFINT_OICR_ENA, 148 QRX_ITR(0), 149 }; 150 151 struct ice_priv_flag { 152 char name[ETH_GSTRING_LEN]; 153 u32 bitno; /* bit position in pf->flags */ 154 }; 155 156 #define ICE_PRIV_FLAG(_name, _bitno) { \ 157 .name = _name, \ 158 .bitno = _bitno, \ 159 } 160 161 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 162 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 163 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 164 ICE_PRIV_FLAG("vf-true-promisc-support", 165 ICE_FLAG_VF_TRUE_PROMISC_ENA), 166 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 167 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), 168 }; 169 170 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 171 172 static void 173 __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo, 174 struct ice_vsi *vsi) 175 { 176 struct ice_pf *pf = vsi->back; 177 struct ice_hw *hw = &pf->hw; 178 struct ice_orom_info *orom; 179 struct ice_nvm_info *nvm; 180 181 nvm = &hw->flash.nvm; 182 orom = &hw->flash.orom; 183 184 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 185 186 /* Display NVM version (from which the firmware version can be 187 * determined) which contains more pertinent information. 188 */ 189 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 190 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor, 191 nvm->eetrack, orom->major, orom->build, orom->patch); 192 193 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 194 sizeof(drvinfo->bus_info)); 195 } 196 197 static void 198 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 199 { 200 struct ice_netdev_priv *np = netdev_priv(netdev); 201 202 __ice_get_drvinfo(netdev, drvinfo, np->vsi); 203 204 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 205 } 206 207 static int ice_get_regs_len(struct net_device __always_unused *netdev) 208 { 209 return sizeof(ice_regs_dump_list); 210 } 211 212 static void 213 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 214 { 215 struct ice_netdev_priv *np = netdev_priv(netdev); 216 struct ice_pf *pf = np->vsi->back; 217 struct ice_hw *hw = &pf->hw; 218 u32 *regs_buf = (u32 *)p; 219 unsigned int i; 220 221 regs->version = 1; 222 223 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 224 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 225 } 226 227 static u32 ice_get_msglevel(struct net_device *netdev) 228 { 229 struct ice_netdev_priv *np = netdev_priv(netdev); 230 struct ice_pf *pf = np->vsi->back; 231 232 #ifndef CONFIG_DYNAMIC_DEBUG 233 if (pf->hw.debug_mask) 234 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 235 pf->hw.debug_mask); 236 #endif /* !CONFIG_DYNAMIC_DEBUG */ 237 238 return pf->msg_enable; 239 } 240 241 static void ice_set_msglevel(struct net_device *netdev, u32 data) 242 { 243 struct ice_netdev_priv *np = netdev_priv(netdev); 244 struct ice_pf *pf = np->vsi->back; 245 246 #ifndef CONFIG_DYNAMIC_DEBUG 247 if (ICE_DBG_USER & data) 248 pf->hw.debug_mask = data; 249 else 250 pf->msg_enable = data; 251 #else 252 pf->msg_enable = data; 253 #endif /* !CONFIG_DYNAMIC_DEBUG */ 254 } 255 256 static int ice_get_eeprom_len(struct net_device *netdev) 257 { 258 struct ice_netdev_priv *np = netdev_priv(netdev); 259 struct ice_pf *pf = np->vsi->back; 260 261 return (int)pf->hw.flash.flash_size; 262 } 263 264 static int 265 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 266 u8 *bytes) 267 { 268 struct ice_netdev_priv *np = netdev_priv(netdev); 269 struct ice_vsi *vsi = np->vsi; 270 struct ice_pf *pf = vsi->back; 271 struct ice_hw *hw = &pf->hw; 272 enum ice_status status; 273 struct device *dev; 274 int ret = 0; 275 u8 *buf; 276 277 dev = ice_pf_to_dev(pf); 278 279 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 280 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 281 eeprom->cmd, eeprom->offset, eeprom->len); 282 283 buf = kzalloc(eeprom->len, GFP_KERNEL); 284 if (!buf) 285 return -ENOMEM; 286 287 status = ice_acquire_nvm(hw, ICE_RES_READ); 288 if (status) { 289 dev_err(dev, "ice_acquire_nvm failed, err %s aq_err %s\n", 290 ice_stat_str(status), 291 ice_aq_str(hw->adminq.sq_last_status)); 292 ret = -EIO; 293 goto out; 294 } 295 296 status = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 297 false); 298 if (status) { 299 dev_err(dev, "ice_read_flat_nvm failed, err %s aq_err %s\n", 300 ice_stat_str(status), 301 ice_aq_str(hw->adminq.sq_last_status)); 302 ret = -EIO; 303 goto release; 304 } 305 306 memcpy(bytes, buf, eeprom->len); 307 release: 308 ice_release_nvm(hw); 309 out: 310 kfree(buf); 311 return ret; 312 } 313 314 /** 315 * ice_active_vfs - check if there are any active VFs 316 * @pf: board private structure 317 * 318 * Returns true if an active VF is found, otherwise returns false 319 */ 320 static bool ice_active_vfs(struct ice_pf *pf) 321 { 322 unsigned int i; 323 324 ice_for_each_vf(pf, i) { 325 struct ice_vf *vf = &pf->vf[i]; 326 327 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) 328 return true; 329 } 330 331 return false; 332 } 333 334 /** 335 * ice_link_test - perform a link test on a given net_device 336 * @netdev: network interface device structure 337 * 338 * This function performs one of the self-tests required by ethtool. 339 * Returns 0 on success, non-zero on failure. 340 */ 341 static u64 ice_link_test(struct net_device *netdev) 342 { 343 struct ice_netdev_priv *np = netdev_priv(netdev); 344 enum ice_status status; 345 bool link_up = false; 346 347 netdev_info(netdev, "link test\n"); 348 status = ice_get_link_status(np->vsi->port_info, &link_up); 349 if (status) { 350 netdev_err(netdev, "link query error, status = %s\n", 351 ice_stat_str(status)); 352 return 1; 353 } 354 355 if (!link_up) 356 return 2; 357 358 return 0; 359 } 360 361 /** 362 * ice_eeprom_test - perform an EEPROM test on a given net_device 363 * @netdev: network interface device structure 364 * 365 * This function performs one of the self-tests required by ethtool. 366 * Returns 0 on success, non-zero on failure. 367 */ 368 static u64 ice_eeprom_test(struct net_device *netdev) 369 { 370 struct ice_netdev_priv *np = netdev_priv(netdev); 371 struct ice_pf *pf = np->vsi->back; 372 373 netdev_info(netdev, "EEPROM test\n"); 374 return !!(ice_nvm_validate_checksum(&pf->hw)); 375 } 376 377 /** 378 * ice_reg_pattern_test 379 * @hw: pointer to the HW struct 380 * @reg: reg to be tested 381 * @mask: bits to be touched 382 */ 383 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 384 { 385 struct ice_pf *pf = (struct ice_pf *)hw->back; 386 struct device *dev = ice_pf_to_dev(pf); 387 static const u32 patterns[] = { 388 0x5A5A5A5A, 0xA5A5A5A5, 389 0x00000000, 0xFFFFFFFF 390 }; 391 u32 val, orig_val; 392 unsigned int i; 393 394 orig_val = rd32(hw, reg); 395 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 396 u32 pattern = patterns[i] & mask; 397 398 wr32(hw, reg, pattern); 399 val = rd32(hw, reg); 400 if (val == pattern) 401 continue; 402 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 403 , __func__, reg, pattern, val); 404 return 1; 405 } 406 407 wr32(hw, reg, orig_val); 408 val = rd32(hw, reg); 409 if (val != orig_val) { 410 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 411 , __func__, reg, orig_val, val); 412 return 1; 413 } 414 415 return 0; 416 } 417 418 /** 419 * ice_reg_test - perform a register test on a given net_device 420 * @netdev: network interface device structure 421 * 422 * This function performs one of the self-tests required by ethtool. 423 * Returns 0 on success, non-zero on failure. 424 */ 425 static u64 ice_reg_test(struct net_device *netdev) 426 { 427 struct ice_netdev_priv *np = netdev_priv(netdev); 428 struct ice_hw *hw = np->vsi->port_info->hw; 429 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 430 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 431 struct ice_diag_reg_test_info { 432 u32 address; 433 u32 mask; 434 u32 elem_num; 435 u32 elem_size; 436 } ice_reg_list[] = { 437 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 438 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 439 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 440 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 441 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 442 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 443 {GLINT_CTL, 0xffff0001, 1, 0} 444 }; 445 unsigned int i; 446 447 netdev_dbg(netdev, "Register test\n"); 448 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 449 u32 j; 450 451 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 452 u32 mask = ice_reg_list[i].mask; 453 u32 reg = ice_reg_list[i].address + 454 (j * ice_reg_list[i].elem_size); 455 456 /* bail on failure (non-zero return) */ 457 if (ice_reg_pattern_test(hw, reg, mask)) 458 return 1; 459 } 460 } 461 462 return 0; 463 } 464 465 /** 466 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 467 * @vsi: pointer to the VSI structure 468 * 469 * Function configures rings of a VSI for loopback test without 470 * enabling interrupts or informing the kernel about new queues. 471 * 472 * Returns 0 on success, negative on failure. 473 */ 474 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 475 { 476 int status; 477 478 status = ice_vsi_setup_tx_rings(vsi); 479 if (status) 480 goto err_setup_tx_ring; 481 482 status = ice_vsi_setup_rx_rings(vsi); 483 if (status) 484 goto err_setup_rx_ring; 485 486 status = ice_vsi_cfg(vsi); 487 if (status) 488 goto err_setup_rx_ring; 489 490 status = ice_vsi_start_all_rx_rings(vsi); 491 if (status) 492 goto err_start_rx_ring; 493 494 return status; 495 496 err_start_rx_ring: 497 ice_vsi_free_rx_rings(vsi); 498 err_setup_rx_ring: 499 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 500 err_setup_tx_ring: 501 ice_vsi_free_tx_rings(vsi); 502 503 return status; 504 } 505 506 /** 507 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 508 * @vsi: pointer to the VSI structure 509 * 510 * Function stops and frees VSI rings after a loopback test. 511 * Returns 0 on success, negative on failure. 512 */ 513 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 514 { 515 int status; 516 517 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 518 if (status) 519 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 520 vsi->vsi_num, status); 521 522 status = ice_vsi_stop_all_rx_rings(vsi); 523 if (status) 524 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 525 vsi->vsi_num, status); 526 527 ice_vsi_free_tx_rings(vsi); 528 ice_vsi_free_rx_rings(vsi); 529 530 return status; 531 } 532 533 /** 534 * ice_lbtest_create_frame - create test packet 535 * @pf: pointer to the PF structure 536 * @ret_data: allocated frame buffer 537 * @size: size of the packet data 538 * 539 * Function allocates a frame with a test pattern on specific offsets. 540 * Returns 0 on success, non-zero on failure. 541 */ 542 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 543 { 544 u8 *data; 545 546 if (!pf) 547 return -EINVAL; 548 549 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); 550 if (!data) 551 return -ENOMEM; 552 553 /* Since the ethernet test frame should always be at least 554 * 64 bytes long, fill some octets in the payload with test data. 555 */ 556 memset(data, 0xFF, size); 557 data[32] = 0xDE; 558 data[42] = 0xAD; 559 data[44] = 0xBE; 560 data[46] = 0xEF; 561 562 *ret_data = data; 563 564 return 0; 565 } 566 567 /** 568 * ice_lbtest_check_frame - verify received loopback frame 569 * @frame: pointer to the raw packet data 570 * 571 * Function verifies received test frame with a pattern. 572 * Returns true if frame matches the pattern, false otherwise. 573 */ 574 static bool ice_lbtest_check_frame(u8 *frame) 575 { 576 /* Validate bytes of a frame under offsets chosen earlier */ 577 if (frame[32] == 0xDE && 578 frame[42] == 0xAD && 579 frame[44] == 0xBE && 580 frame[46] == 0xEF && 581 frame[48] == 0xFF) 582 return true; 583 584 return false; 585 } 586 587 /** 588 * ice_diag_send - send test frames to the test ring 589 * @tx_ring: pointer to the transmit ring 590 * @data: pointer to the raw packet data 591 * @size: size of the packet to send 592 * 593 * Function sends loopback packets on a test Tx ring. 594 */ 595 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size) 596 { 597 struct ice_tx_desc *tx_desc; 598 struct ice_tx_buf *tx_buf; 599 dma_addr_t dma; 600 u64 td_cmd; 601 602 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 603 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 604 605 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 606 if (dma_mapping_error(tx_ring->dev, dma)) 607 return -EINVAL; 608 609 tx_desc->buf_addr = cpu_to_le64(dma); 610 611 /* These flags are required for a descriptor to be pushed out */ 612 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 613 tx_desc->cmd_type_offset_bsz = 614 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 615 (td_cmd << ICE_TXD_QW1_CMD_S) | 616 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 617 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 618 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 619 620 tx_buf->next_to_watch = tx_desc; 621 622 /* Force memory write to complete before letting h/w know 623 * there are new descriptors to fetch. 624 */ 625 wmb(); 626 627 tx_ring->next_to_use++; 628 if (tx_ring->next_to_use >= tx_ring->count) 629 tx_ring->next_to_use = 0; 630 631 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 632 633 /* Wait until the packets get transmitted to the receive queue. */ 634 usleep_range(1000, 2000); 635 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 636 637 return 0; 638 } 639 640 #define ICE_LB_FRAME_SIZE 64 641 /** 642 * ice_lbtest_receive_frames - receive and verify test frames 643 * @rx_ring: pointer to the receive ring 644 * 645 * Function receives loopback packets and verify their correctness. 646 * Returns number of received valid frames. 647 */ 648 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring) 649 { 650 struct ice_rx_buf *rx_buf; 651 int valid_frames, i; 652 u8 *received_buf; 653 654 valid_frames = 0; 655 656 for (i = 0; i < rx_ring->count; i++) { 657 union ice_32b_rx_flex_desc *rx_desc; 658 659 rx_desc = ICE_RX_DESC(rx_ring, i); 660 661 if (!(rx_desc->wb.status_error0 & 662 cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS))) 663 continue; 664 665 rx_buf = &rx_ring->rx_buf[i]; 666 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 667 668 if (ice_lbtest_check_frame(received_buf)) 669 valid_frames++; 670 } 671 672 return valid_frames; 673 } 674 675 /** 676 * ice_loopback_test - perform a loopback test on a given net_device 677 * @netdev: network interface device structure 678 * 679 * This function performs one of the self-tests required by ethtool. 680 * Returns 0 on success, non-zero on failure. 681 */ 682 static u64 ice_loopback_test(struct net_device *netdev) 683 { 684 struct ice_netdev_priv *np = netdev_priv(netdev); 685 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 686 struct ice_pf *pf = orig_vsi->back; 687 u8 broadcast[ETH_ALEN], ret = 0; 688 int num_frames, valid_frames; 689 struct ice_tx_ring *tx_ring; 690 struct ice_rx_ring *rx_ring; 691 struct device *dev; 692 u8 *tx_frame; 693 int i; 694 695 dev = ice_pf_to_dev(pf); 696 netdev_info(netdev, "loopback test\n"); 697 698 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 699 if (!test_vsi) { 700 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 701 return 1; 702 } 703 704 test_vsi->netdev = netdev; 705 tx_ring = test_vsi->tx_rings[0]; 706 rx_ring = test_vsi->rx_rings[0]; 707 708 if (ice_lbtest_prepare_rings(test_vsi)) { 709 ret = 2; 710 goto lbtest_vsi_close; 711 } 712 713 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 714 ret = 3; 715 goto lbtest_rings_dis; 716 } 717 718 /* Enable MAC loopback in firmware */ 719 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 720 ret = 4; 721 goto lbtest_mac_dis; 722 } 723 724 /* Test VSI needs to receive broadcast packets */ 725 eth_broadcast_addr(broadcast); 726 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 727 ret = 5; 728 goto lbtest_mac_dis; 729 } 730 731 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 732 ret = 7; 733 goto remove_mac_filters; 734 } 735 736 num_frames = min_t(int, tx_ring->count, 32); 737 for (i = 0; i < num_frames; i++) { 738 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 739 ret = 8; 740 goto lbtest_free_frame; 741 } 742 } 743 744 valid_frames = ice_lbtest_receive_frames(rx_ring); 745 if (!valid_frames) 746 ret = 9; 747 else if (valid_frames != num_frames) 748 ret = 10; 749 750 lbtest_free_frame: 751 devm_kfree(dev, tx_frame); 752 remove_mac_filters: 753 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 754 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 755 lbtest_mac_dis: 756 /* Disable MAC loopback after the test is completed. */ 757 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 758 netdev_err(netdev, "Could not disable MAC loopback\n"); 759 lbtest_rings_dis: 760 if (ice_lbtest_disable_rings(test_vsi)) 761 netdev_err(netdev, "Could not disable test rings\n"); 762 lbtest_vsi_close: 763 test_vsi->netdev = NULL; 764 if (ice_vsi_release(test_vsi)) 765 netdev_err(netdev, "Failed to remove the test VSI\n"); 766 767 return ret; 768 } 769 770 /** 771 * ice_intr_test - perform an interrupt test on a given net_device 772 * @netdev: network interface device structure 773 * 774 * This function performs one of the self-tests required by ethtool. 775 * Returns 0 on success, non-zero on failure. 776 */ 777 static u64 ice_intr_test(struct net_device *netdev) 778 { 779 struct ice_netdev_priv *np = netdev_priv(netdev); 780 struct ice_pf *pf = np->vsi->back; 781 u16 swic_old = pf->sw_int_count; 782 783 netdev_info(netdev, "interrupt test\n"); 784 785 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 786 GLINT_DYN_CTL_SW_ITR_INDX_M | 787 GLINT_DYN_CTL_INTENA_MSK_M | 788 GLINT_DYN_CTL_SWINT_TRIG_M); 789 790 usleep_range(1000, 2000); 791 return (swic_old == pf->sw_int_count); 792 } 793 794 /** 795 * ice_self_test - handler function for performing a self-test by ethtool 796 * @netdev: network interface device structure 797 * @eth_test: ethtool_test structure 798 * @data: required by ethtool.self_test 799 * 800 * This function is called after invoking 'ethtool -t devname' command where 801 * devname is the name of the network device on which ethtool should operate. 802 * It performs a set of self-tests to check if a device works properly. 803 */ 804 static void 805 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 806 u64 *data) 807 { 808 struct ice_netdev_priv *np = netdev_priv(netdev); 809 bool if_running = netif_running(netdev); 810 struct ice_pf *pf = np->vsi->back; 811 struct device *dev; 812 813 dev = ice_pf_to_dev(pf); 814 815 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 816 netdev_info(netdev, "offline testing starting\n"); 817 818 set_bit(ICE_TESTING, pf->state); 819 820 if (ice_active_vfs(pf)) { 821 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 822 data[ICE_ETH_TEST_REG] = 1; 823 data[ICE_ETH_TEST_EEPROM] = 1; 824 data[ICE_ETH_TEST_INTR] = 1; 825 data[ICE_ETH_TEST_LOOP] = 1; 826 data[ICE_ETH_TEST_LINK] = 1; 827 eth_test->flags |= ETH_TEST_FL_FAILED; 828 clear_bit(ICE_TESTING, pf->state); 829 goto skip_ol_tests; 830 } 831 /* If the device is online then take it offline */ 832 if (if_running) 833 /* indicate we're in test mode */ 834 ice_stop(netdev); 835 836 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 837 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 838 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 839 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 840 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 841 842 if (data[ICE_ETH_TEST_LINK] || 843 data[ICE_ETH_TEST_EEPROM] || 844 data[ICE_ETH_TEST_LOOP] || 845 data[ICE_ETH_TEST_INTR] || 846 data[ICE_ETH_TEST_REG]) 847 eth_test->flags |= ETH_TEST_FL_FAILED; 848 849 clear_bit(ICE_TESTING, pf->state); 850 851 if (if_running) { 852 int status = ice_open(netdev); 853 854 if (status) { 855 dev_err(dev, "Could not open device %s, err %d\n", 856 pf->int_name, status); 857 } 858 } 859 } else { 860 /* Online tests */ 861 netdev_info(netdev, "online testing starting\n"); 862 863 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 864 if (data[ICE_ETH_TEST_LINK]) 865 eth_test->flags |= ETH_TEST_FL_FAILED; 866 867 /* Offline only tests, not run in online; pass by default */ 868 data[ICE_ETH_TEST_REG] = 0; 869 data[ICE_ETH_TEST_EEPROM] = 0; 870 data[ICE_ETH_TEST_INTR] = 0; 871 data[ICE_ETH_TEST_LOOP] = 0; 872 } 873 874 skip_ol_tests: 875 netdev_info(netdev, "testing finished\n"); 876 } 877 878 static void 879 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data, 880 struct ice_vsi *vsi) 881 { 882 unsigned int i; 883 u8 *p = data; 884 885 switch (stringset) { 886 case ETH_SS_STATS: 887 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 888 ethtool_sprintf(&p, 889 ice_gstrings_vsi_stats[i].stat_string); 890 891 if (ice_is_port_repr_netdev(netdev)) 892 return; 893 894 ice_for_each_alloc_txq(vsi, i) { 895 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 896 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 897 } 898 899 ice_for_each_alloc_rxq(vsi, i) { 900 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 901 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 902 } 903 904 if (vsi->type != ICE_VSI_PF) 905 return; 906 907 for (i = 0; i < ICE_PF_STATS_LEN; i++) 908 ethtool_sprintf(&p, 909 ice_gstrings_pf_stats[i].stat_string); 910 911 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 912 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 913 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 914 } 915 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 916 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 917 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 918 } 919 break; 920 case ETH_SS_TEST: 921 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 922 break; 923 case ETH_SS_PRIV_FLAGS: 924 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 925 ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name); 926 break; 927 default: 928 break; 929 } 930 } 931 932 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 933 { 934 struct ice_netdev_priv *np = netdev_priv(netdev); 935 936 __ice_get_strings(netdev, stringset, data, np->vsi); 937 } 938 939 static int 940 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 941 { 942 struct ice_netdev_priv *np = netdev_priv(netdev); 943 bool led_active; 944 945 switch (state) { 946 case ETHTOOL_ID_ACTIVE: 947 led_active = true; 948 break; 949 case ETHTOOL_ID_INACTIVE: 950 led_active = false; 951 break; 952 default: 953 return -EINVAL; 954 } 955 956 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 957 return -EIO; 958 959 return 0; 960 } 961 962 /** 963 * ice_set_fec_cfg - Set link FEC options 964 * @netdev: network interface device structure 965 * @req_fec: FEC mode to configure 966 */ 967 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 968 { 969 struct ice_netdev_priv *np = netdev_priv(netdev); 970 struct ice_aqc_set_phy_cfg_data config = { 0 }; 971 struct ice_vsi *vsi = np->vsi; 972 struct ice_port_info *pi; 973 974 pi = vsi->port_info; 975 if (!pi) 976 return -EOPNOTSUPP; 977 978 /* Changing the FEC parameters is not supported if not the PF VSI */ 979 if (vsi->type != ICE_VSI_PF) { 980 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 981 return -EOPNOTSUPP; 982 } 983 984 /* Proceed only if requesting different FEC mode */ 985 if (pi->phy.curr_user_fec_req == req_fec) 986 return 0; 987 988 /* Copy the current user PHY configuration. The current user PHY 989 * configuration is initialized during probe from PHY capabilities 990 * software mode, and updated on set PHY configuration. 991 */ 992 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 993 994 ice_cfg_phy_fec(pi, &config, req_fec); 995 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 996 997 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 998 return -EAGAIN; 999 1000 /* Save requested FEC config */ 1001 pi->phy.curr_user_fec_req = req_fec; 1002 1003 return 0; 1004 } 1005 1006 /** 1007 * ice_set_fecparam - Set FEC link options 1008 * @netdev: network interface device structure 1009 * @fecparam: Ethtool structure to retrieve FEC parameters 1010 */ 1011 static int 1012 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1013 { 1014 struct ice_netdev_priv *np = netdev_priv(netdev); 1015 struct ice_vsi *vsi = np->vsi; 1016 enum ice_fec_mode fec; 1017 1018 switch (fecparam->fec) { 1019 case ETHTOOL_FEC_AUTO: 1020 fec = ICE_FEC_AUTO; 1021 break; 1022 case ETHTOOL_FEC_RS: 1023 fec = ICE_FEC_RS; 1024 break; 1025 case ETHTOOL_FEC_BASER: 1026 fec = ICE_FEC_BASER; 1027 break; 1028 case ETHTOOL_FEC_OFF: 1029 case ETHTOOL_FEC_NONE: 1030 fec = ICE_FEC_NONE; 1031 break; 1032 default: 1033 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1034 fecparam->fec); 1035 return -EINVAL; 1036 } 1037 1038 return ice_set_fec_cfg(netdev, fec); 1039 } 1040 1041 /** 1042 * ice_get_fecparam - Get link FEC options 1043 * @netdev: network interface device structure 1044 * @fecparam: Ethtool structure to retrieve FEC parameters 1045 */ 1046 static int 1047 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1048 { 1049 struct ice_netdev_priv *np = netdev_priv(netdev); 1050 struct ice_aqc_get_phy_caps_data *caps; 1051 struct ice_link_status *link_info; 1052 struct ice_vsi *vsi = np->vsi; 1053 struct ice_port_info *pi; 1054 enum ice_status status; 1055 int err = 0; 1056 1057 pi = vsi->port_info; 1058 1059 if (!pi) 1060 return -EOPNOTSUPP; 1061 link_info = &pi->phy.link_info; 1062 1063 /* Set FEC mode based on negotiated link info */ 1064 switch (link_info->fec_info) { 1065 case ICE_AQ_LINK_25G_KR_FEC_EN: 1066 fecparam->active_fec = ETHTOOL_FEC_BASER; 1067 break; 1068 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1069 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1070 fecparam->active_fec = ETHTOOL_FEC_RS; 1071 break; 1072 default: 1073 fecparam->active_fec = ETHTOOL_FEC_OFF; 1074 break; 1075 } 1076 1077 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1078 if (!caps) 1079 return -ENOMEM; 1080 1081 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1082 caps, NULL); 1083 if (status) { 1084 err = -EAGAIN; 1085 goto done; 1086 } 1087 1088 /* Set supported/configured FEC modes based on PHY capability */ 1089 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1090 fecparam->fec |= ETHTOOL_FEC_AUTO; 1091 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1092 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1093 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1094 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1095 fecparam->fec |= ETHTOOL_FEC_BASER; 1096 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1097 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1098 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1099 fecparam->fec |= ETHTOOL_FEC_RS; 1100 if (caps->link_fec_options == 0) 1101 fecparam->fec |= ETHTOOL_FEC_OFF; 1102 1103 done: 1104 kfree(caps); 1105 return err; 1106 } 1107 1108 /** 1109 * ice_nway_reset - restart autonegotiation 1110 * @netdev: network interface device structure 1111 */ 1112 static int ice_nway_reset(struct net_device *netdev) 1113 { 1114 struct ice_netdev_priv *np = netdev_priv(netdev); 1115 struct ice_vsi *vsi = np->vsi; 1116 int err; 1117 1118 /* If VSI state is up, then restart autoneg with link up */ 1119 if (!test_bit(ICE_DOWN, vsi->back->state)) 1120 err = ice_set_link(vsi, true); 1121 else 1122 err = ice_set_link(vsi, false); 1123 1124 return err; 1125 } 1126 1127 /** 1128 * ice_get_priv_flags - report device private flags 1129 * @netdev: network interface device structure 1130 * 1131 * The get string set count and the string set should be matched for each 1132 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1133 * array. 1134 * 1135 * Returns a u32 bitmap of flags. 1136 */ 1137 static u32 ice_get_priv_flags(struct net_device *netdev) 1138 { 1139 struct ice_netdev_priv *np = netdev_priv(netdev); 1140 struct ice_vsi *vsi = np->vsi; 1141 struct ice_pf *pf = vsi->back; 1142 u32 i, ret_flags = 0; 1143 1144 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1145 const struct ice_priv_flag *priv_flag; 1146 1147 priv_flag = &ice_gstrings_priv_flags[i]; 1148 1149 if (test_bit(priv_flag->bitno, pf->flags)) 1150 ret_flags |= BIT(i); 1151 } 1152 1153 return ret_flags; 1154 } 1155 1156 /** 1157 * ice_set_priv_flags - set private flags 1158 * @netdev: network interface device structure 1159 * @flags: bit flags to be set 1160 */ 1161 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1162 { 1163 struct ice_netdev_priv *np = netdev_priv(netdev); 1164 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1165 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1166 struct ice_vsi *vsi = np->vsi; 1167 struct ice_pf *pf = vsi->back; 1168 struct device *dev; 1169 int ret = 0; 1170 u32 i; 1171 1172 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1173 return -EINVAL; 1174 1175 dev = ice_pf_to_dev(pf); 1176 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1177 1178 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1179 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1180 const struct ice_priv_flag *priv_flag; 1181 1182 priv_flag = &ice_gstrings_priv_flags[i]; 1183 1184 if (flags & BIT(i)) 1185 set_bit(priv_flag->bitno, pf->flags); 1186 else 1187 clear_bit(priv_flag->bitno, pf->flags); 1188 } 1189 1190 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1191 1192 /* Do not allow change to link-down-on-close when Total Port Shutdown 1193 * is enabled. 1194 */ 1195 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1196 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1197 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1198 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1199 ret = -EINVAL; 1200 goto ethtool_exit; 1201 } 1202 1203 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1204 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1205 enum ice_status status; 1206 1207 /* Disable FW LLDP engine */ 1208 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1209 1210 /* If unregistering for LLDP events fails, this is 1211 * not an error state, as there shouldn't be any 1212 * events to respond to. 1213 */ 1214 if (status) 1215 dev_info(dev, "Failed to unreg for LLDP events\n"); 1216 1217 /* The AQ call to stop the FW LLDP agent will generate 1218 * an error if the agent is already stopped. 1219 */ 1220 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1221 if (status) 1222 dev_warn(dev, "Fail to stop LLDP agent\n"); 1223 /* Use case for having the FW LLDP agent stopped 1224 * will likely not need DCB, so failure to init is 1225 * not a concern of ethtool 1226 */ 1227 status = ice_init_pf_dcb(pf, true); 1228 if (status) 1229 dev_warn(dev, "Fail to init DCB\n"); 1230 1231 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1232 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1233 } else { 1234 enum ice_status status; 1235 bool dcbx_agent_status; 1236 1237 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { 1238 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); 1239 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); 1240 ret = -EOPNOTSUPP; 1241 goto ethtool_exit; 1242 } 1243 1244 /* Remove rule to direct LLDP packets to default VSI. 1245 * The FW LLDP engine will now be consuming them. 1246 */ 1247 ice_cfg_sw_lldp(vsi, false, false); 1248 1249 /* AQ command to start FW LLDP agent will return an 1250 * error if the agent is already started 1251 */ 1252 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1253 if (status) 1254 dev_warn(dev, "Fail to start LLDP Agent\n"); 1255 1256 /* AQ command to start FW DCBX agent will fail if 1257 * the agent is already started 1258 */ 1259 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1260 &dcbx_agent_status, 1261 NULL); 1262 if (status) 1263 dev_dbg(dev, "Failed to start FW DCBX\n"); 1264 1265 dev_info(dev, "FW DCBX agent is %s\n", 1266 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1267 1268 /* Failure to configure MIB change or init DCB is not 1269 * relevant to ethtool. Print notification that 1270 * registration/init failed but do not return error 1271 * state to ethtool 1272 */ 1273 status = ice_init_pf_dcb(pf, true); 1274 if (status) 1275 dev_dbg(dev, "Fail to init DCB\n"); 1276 1277 /* Register for MIB change events */ 1278 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1279 if (status) 1280 dev_dbg(dev, "Fail to enable MIB change events\n"); 1281 1282 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1283 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1284 1285 ice_nway_reset(netdev); 1286 } 1287 } 1288 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1289 /* down and up VSI so that changes of Rx cfg are reflected. */ 1290 ice_down(vsi); 1291 ice_up(vsi); 1292 } 1293 /* don't allow modification of this flag when a single VF is in 1294 * promiscuous mode because it's not supported 1295 */ 1296 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1297 ice_is_any_vf_in_promisc(pf)) { 1298 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1299 /* toggle bit back to previous state */ 1300 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1301 ret = -EAGAIN; 1302 } 1303 ethtool_exit: 1304 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1305 return ret; 1306 } 1307 1308 static int ice_get_sset_count(struct net_device *netdev, int sset) 1309 { 1310 switch (sset) { 1311 case ETH_SS_STATS: 1312 /* The number (and order) of strings reported *must* remain 1313 * constant for a given netdevice. This function must not 1314 * report a different number based on run time parameters 1315 * (such as the number of queues in use, or the setting of 1316 * a private ethtool flag). This is due to the nature of the 1317 * ethtool stats API. 1318 * 1319 * Userspace programs such as ethtool must make 3 separate 1320 * ioctl requests, one for size, one for the strings, and 1321 * finally one for the stats. Since these cross into 1322 * userspace, changes to the number or size could result in 1323 * undefined memory access or incorrect string<->value 1324 * correlations for statistics. 1325 * 1326 * Even if it appears to be safe, changes to the size or 1327 * order of strings will suffer from race conditions and are 1328 * not safe. 1329 */ 1330 return ICE_ALL_STATS_LEN(netdev); 1331 case ETH_SS_TEST: 1332 return ICE_TEST_LEN; 1333 case ETH_SS_PRIV_FLAGS: 1334 return ICE_PRIV_FLAG_ARRAY_SIZE; 1335 default: 1336 return -EOPNOTSUPP; 1337 } 1338 } 1339 1340 static void 1341 __ice_get_ethtool_stats(struct net_device *netdev, 1342 struct ethtool_stats __always_unused *stats, u64 *data, 1343 struct ice_vsi *vsi) 1344 { 1345 struct ice_pf *pf = vsi->back; 1346 struct ice_tx_ring *tx_ring; 1347 struct ice_rx_ring *rx_ring; 1348 unsigned int j; 1349 int i = 0; 1350 char *p; 1351 1352 ice_update_pf_stats(pf); 1353 ice_update_vsi_stats(vsi); 1354 1355 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1356 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1357 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1358 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1359 } 1360 1361 if (ice_is_port_repr_netdev(netdev)) 1362 return; 1363 1364 /* populate per queue stats */ 1365 rcu_read_lock(); 1366 1367 ice_for_each_alloc_txq(vsi, j) { 1368 tx_ring = READ_ONCE(vsi->tx_rings[j]); 1369 if (tx_ring) { 1370 data[i++] = tx_ring->stats.pkts; 1371 data[i++] = tx_ring->stats.bytes; 1372 } else { 1373 data[i++] = 0; 1374 data[i++] = 0; 1375 } 1376 } 1377 1378 ice_for_each_alloc_rxq(vsi, j) { 1379 rx_ring = READ_ONCE(vsi->rx_rings[j]); 1380 if (rx_ring) { 1381 data[i++] = rx_ring->stats.pkts; 1382 data[i++] = rx_ring->stats.bytes; 1383 } else { 1384 data[i++] = 0; 1385 data[i++] = 0; 1386 } 1387 } 1388 1389 rcu_read_unlock(); 1390 1391 if (vsi->type != ICE_VSI_PF) 1392 return; 1393 1394 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1395 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1396 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1397 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1398 } 1399 1400 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1401 data[i++] = pf->stats.priority_xon_tx[j]; 1402 data[i++] = pf->stats.priority_xoff_tx[j]; 1403 } 1404 1405 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1406 data[i++] = pf->stats.priority_xon_rx[j]; 1407 data[i++] = pf->stats.priority_xoff_rx[j]; 1408 } 1409 } 1410 1411 static void 1412 ice_get_ethtool_stats(struct net_device *netdev, 1413 struct ethtool_stats __always_unused *stats, u64 *data) 1414 { 1415 struct ice_netdev_priv *np = netdev_priv(netdev); 1416 1417 __ice_get_ethtool_stats(netdev, stats, data, np->vsi); 1418 } 1419 1420 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1421 ICE_PHY_TYPE_LOW_100M_SGMII) 1422 1423 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1424 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1425 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1426 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1427 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1428 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1429 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1430 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1431 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1432 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1433 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1434 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1435 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1436 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1437 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1438 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1439 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1440 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1441 1442 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1443 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1444 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1445 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1446 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1447 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1448 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1449 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1450 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1451 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1452 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1453 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1454 ICE_PHY_TYPE_LOW_100GBASE_DR) 1455 1456 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1457 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1458 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1459 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1460 ICE_PHY_TYPE_HIGH_100G_AUI2) 1461 1462 /** 1463 * ice_mask_min_supported_speeds 1464 * @phy_types_high: PHY type high 1465 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1466 * 1467 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1468 * for ethtool supported link mode. 1469 */ 1470 static 1471 void ice_mask_min_supported_speeds(u64 phy_types_high, u64 *phy_types_low) 1472 { 1473 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1474 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G || 1475 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) 1476 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1477 else 1478 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1479 } 1480 1481 #define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \ 1482 do { \ 1483 if (req_speeds & (aq_link_speed) || \ 1484 (!req_speeds && \ 1485 (advert_phy_type_lo & phy_type_mask_lo || \ 1486 advert_phy_type_hi & phy_type_mask_hi))) \ 1487 ethtool_link_ksettings_add_link_mode(ks, advertising,\ 1488 ethtool_link_mode); \ 1489 } while (0) 1490 1491 /** 1492 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1493 * @netdev: network interface device structure 1494 * @ks: ethtool link ksettings struct to fill out 1495 */ 1496 static void 1497 ice_phy_type_to_ethtool(struct net_device *netdev, 1498 struct ethtool_link_ksettings *ks) 1499 { 1500 struct ice_netdev_priv *np = netdev_priv(netdev); 1501 struct ice_vsi *vsi = np->vsi; 1502 struct ice_pf *pf = vsi->back; 1503 u64 advert_phy_type_lo = 0; 1504 u64 advert_phy_type_hi = 0; 1505 u64 phy_type_mask_lo = 0; 1506 u64 phy_type_mask_hi = 0; 1507 u64 phy_types_high = 0; 1508 u64 phy_types_low = 0; 1509 u16 req_speeds; 1510 1511 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1512 1513 /* Check if lenient mode is supported and enabled, or in strict mode. 1514 * 1515 * In lenient mode the Supported link modes are the PHY types without 1516 * media. The Advertising link mode is either 1. the user requested 1517 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1518 * 1519 * In strict mode Supported link mode are the PHY type with media, 1520 * and Advertising link modes are the media PHY type or the speed 1521 * requested by user. 1522 */ 1523 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1524 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1525 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1526 1527 ice_mask_min_supported_speeds(phy_types_high, &phy_types_low); 1528 /* determine advertised modes based on link override only 1529 * if it's supported and if the FW doesn't abstract the 1530 * driver from having to account for link overrides 1531 */ 1532 if (ice_fw_supports_link_override(&pf->hw) && 1533 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 1534 struct ice_link_default_override_tlv *ldo; 1535 1536 ldo = &pf->link_dflt_override; 1537 /* If override enabled and PHY mask set, then 1538 * Advertising link mode is the intersection of the PHY 1539 * types without media and the override PHY mask. 1540 */ 1541 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1542 (ldo->phy_type_low || ldo->phy_type_high)) { 1543 advert_phy_type_lo = 1544 le64_to_cpu(pf->nvm_phy_type_lo) & 1545 ldo->phy_type_low; 1546 advert_phy_type_hi = 1547 le64_to_cpu(pf->nvm_phy_type_hi) & 1548 ldo->phy_type_high; 1549 } 1550 } 1551 } else { 1552 /* strict mode */ 1553 phy_types_low = vsi->port_info->phy.phy_type_low; 1554 phy_types_high = vsi->port_info->phy.phy_type_high; 1555 } 1556 1557 /* If Advertising link mode PHY type is not using override PHY type, 1558 * then use PHY type with media. 1559 */ 1560 if (!advert_phy_type_lo && !advert_phy_type_hi) { 1561 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 1562 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 1563 } 1564 1565 ethtool_link_ksettings_zero_link_mode(ks, supported); 1566 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1567 1568 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX | 1569 ICE_PHY_TYPE_LOW_100M_SGMII; 1570 if (phy_types_low & phy_type_mask_lo) { 1571 ethtool_link_ksettings_add_link_mode(ks, supported, 1572 100baseT_Full); 1573 1574 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB, 1575 100baseT_Full); 1576 } 1577 1578 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T | 1579 ICE_PHY_TYPE_LOW_1G_SGMII; 1580 if (phy_types_low & phy_type_mask_lo) { 1581 ethtool_link_ksettings_add_link_mode(ks, supported, 1582 1000baseT_Full); 1583 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1584 1000baseT_Full); 1585 } 1586 1587 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX; 1588 if (phy_types_low & phy_type_mask_lo) { 1589 ethtool_link_ksettings_add_link_mode(ks, supported, 1590 1000baseKX_Full); 1591 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1592 1000baseKX_Full); 1593 } 1594 1595 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX | 1596 ICE_PHY_TYPE_LOW_1000BASE_LX; 1597 if (phy_types_low & phy_type_mask_lo) { 1598 ethtool_link_ksettings_add_link_mode(ks, supported, 1599 1000baseX_Full); 1600 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1601 1000baseX_Full); 1602 } 1603 1604 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T; 1605 if (phy_types_low & phy_type_mask_lo) { 1606 ethtool_link_ksettings_add_link_mode(ks, supported, 1607 2500baseT_Full); 1608 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1609 2500baseT_Full); 1610 } 1611 1612 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X | 1613 ICE_PHY_TYPE_LOW_2500BASE_KX; 1614 if (phy_types_low & phy_type_mask_lo) { 1615 ethtool_link_ksettings_add_link_mode(ks, supported, 1616 2500baseX_Full); 1617 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1618 2500baseX_Full); 1619 } 1620 1621 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T | 1622 ICE_PHY_TYPE_LOW_5GBASE_KR; 1623 if (phy_types_low & phy_type_mask_lo) { 1624 ethtool_link_ksettings_add_link_mode(ks, supported, 1625 5000baseT_Full); 1626 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB, 1627 5000baseT_Full); 1628 } 1629 1630 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T | 1631 ICE_PHY_TYPE_LOW_10G_SFI_DA | 1632 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | 1633 ICE_PHY_TYPE_LOW_10G_SFI_C2C; 1634 if (phy_types_low & phy_type_mask_lo) { 1635 ethtool_link_ksettings_add_link_mode(ks, supported, 1636 10000baseT_Full); 1637 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1638 10000baseT_Full); 1639 } 1640 1641 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1; 1642 if (phy_types_low & phy_type_mask_lo) { 1643 ethtool_link_ksettings_add_link_mode(ks, supported, 1644 10000baseKR_Full); 1645 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1646 10000baseKR_Full); 1647 } 1648 1649 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR; 1650 if (phy_types_low & phy_type_mask_lo) { 1651 ethtool_link_ksettings_add_link_mode(ks, supported, 1652 10000baseSR_Full); 1653 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1654 10000baseSR_Full); 1655 } 1656 1657 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR; 1658 if (phy_types_low & phy_type_mask_lo) { 1659 ethtool_link_ksettings_add_link_mode(ks, supported, 1660 10000baseLR_Full); 1661 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1662 10000baseLR_Full); 1663 } 1664 1665 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T | 1666 ICE_PHY_TYPE_LOW_25GBASE_CR | 1667 ICE_PHY_TYPE_LOW_25GBASE_CR_S | 1668 ICE_PHY_TYPE_LOW_25GBASE_CR1 | 1669 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC | 1670 ICE_PHY_TYPE_LOW_25G_AUI_C2C; 1671 if (phy_types_low & phy_type_mask_lo) { 1672 ethtool_link_ksettings_add_link_mode(ks, supported, 1673 25000baseCR_Full); 1674 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1675 25000baseCR_Full); 1676 } 1677 1678 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR | 1679 ICE_PHY_TYPE_LOW_25GBASE_LR; 1680 if (phy_types_low & phy_type_mask_lo) { 1681 ethtool_link_ksettings_add_link_mode(ks, supported, 1682 25000baseSR_Full); 1683 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1684 25000baseSR_Full); 1685 } 1686 1687 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR | 1688 ICE_PHY_TYPE_LOW_25GBASE_KR_S | 1689 ICE_PHY_TYPE_LOW_25GBASE_KR1; 1690 if (phy_types_low & phy_type_mask_lo) { 1691 ethtool_link_ksettings_add_link_mode(ks, supported, 1692 25000baseKR_Full); 1693 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1694 25000baseKR_Full); 1695 } 1696 1697 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4; 1698 if (phy_types_low & phy_type_mask_lo) { 1699 ethtool_link_ksettings_add_link_mode(ks, supported, 1700 40000baseKR4_Full); 1701 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1702 40000baseKR4_Full); 1703 } 1704 1705 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 | 1706 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC | 1707 ICE_PHY_TYPE_LOW_40G_XLAUI; 1708 if (phy_types_low & phy_type_mask_lo) { 1709 ethtool_link_ksettings_add_link_mode(ks, supported, 1710 40000baseCR4_Full); 1711 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1712 40000baseCR4_Full); 1713 } 1714 1715 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4; 1716 if (phy_types_low & phy_type_mask_lo) { 1717 ethtool_link_ksettings_add_link_mode(ks, supported, 1718 40000baseSR4_Full); 1719 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1720 40000baseSR4_Full); 1721 } 1722 1723 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4; 1724 if (phy_types_low & phy_type_mask_lo) { 1725 ethtool_link_ksettings_add_link_mode(ks, supported, 1726 40000baseLR4_Full); 1727 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1728 40000baseLR4_Full); 1729 } 1730 1731 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 | 1732 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC | 1733 ICE_PHY_TYPE_LOW_50G_LAUI2 | 1734 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC | 1735 ICE_PHY_TYPE_LOW_50G_AUI2 | 1736 ICE_PHY_TYPE_LOW_50GBASE_CP | 1737 ICE_PHY_TYPE_LOW_50GBASE_SR | 1738 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC | 1739 ICE_PHY_TYPE_LOW_50G_AUI1; 1740 if (phy_types_low & phy_type_mask_lo) { 1741 ethtool_link_ksettings_add_link_mode(ks, supported, 1742 50000baseCR2_Full); 1743 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1744 50000baseCR2_Full); 1745 } 1746 1747 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 | 1748 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4; 1749 if (phy_types_low & phy_type_mask_lo) { 1750 ethtool_link_ksettings_add_link_mode(ks, supported, 1751 50000baseKR2_Full); 1752 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1753 50000baseKR2_Full); 1754 } 1755 1756 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 | 1757 ICE_PHY_TYPE_LOW_50GBASE_LR2 | 1758 ICE_PHY_TYPE_LOW_50GBASE_FR | 1759 ICE_PHY_TYPE_LOW_50GBASE_LR; 1760 if (phy_types_low & phy_type_mask_lo) { 1761 ethtool_link_ksettings_add_link_mode(ks, supported, 1762 50000baseSR2_Full); 1763 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1764 50000baseSR2_Full); 1765 } 1766 1767 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 | 1768 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | 1769 ICE_PHY_TYPE_LOW_100G_CAUI4 | 1770 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | 1771 ICE_PHY_TYPE_LOW_100G_AUI4 | 1772 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | 1773 ICE_PHY_TYPE_LOW_100GBASE_CP2; 1774 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC | 1775 ICE_PHY_TYPE_HIGH_100G_CAUI2 | 1776 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | 1777 ICE_PHY_TYPE_HIGH_100G_AUI2; 1778 if (phy_types_low & phy_type_mask_lo || 1779 phy_types_high & phy_type_mask_hi) { 1780 ethtool_link_ksettings_add_link_mode(ks, supported, 1781 100000baseCR4_Full); 1782 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1783 100000baseCR4_Full); 1784 } 1785 1786 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 | 1787 ICE_PHY_TYPE_LOW_100GBASE_SR2; 1788 if (phy_types_low & phy_type_mask_lo) { 1789 ethtool_link_ksettings_add_link_mode(ks, supported, 1790 100000baseSR4_Full); 1791 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1792 100000baseSR4_Full); 1793 } 1794 1795 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 | 1796 ICE_PHY_TYPE_LOW_100GBASE_DR; 1797 if (phy_types_low & phy_type_mask_lo) { 1798 ethtool_link_ksettings_add_link_mode(ks, supported, 1799 100000baseLR4_ER4_Full); 1800 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1801 100000baseLR4_ER4_Full); 1802 } 1803 1804 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 | 1805 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4; 1806 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4; 1807 if (phy_types_low & phy_type_mask_lo || 1808 phy_types_high & phy_type_mask_hi) { 1809 ethtool_link_ksettings_add_link_mode(ks, supported, 1810 100000baseKR4_Full); 1811 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1812 100000baseKR4_Full); 1813 } 1814 } 1815 1816 #define TEST_SET_BITS_TIMEOUT 50 1817 #define TEST_SET_BITS_SLEEP_MAX 2000 1818 #define TEST_SET_BITS_SLEEP_MIN 1000 1819 1820 /** 1821 * ice_get_settings_link_up - Get Link settings for when link is up 1822 * @ks: ethtool ksettings to fill in 1823 * @netdev: network interface device structure 1824 */ 1825 static void 1826 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1827 struct net_device *netdev) 1828 { 1829 struct ice_netdev_priv *np = netdev_priv(netdev); 1830 struct ice_port_info *pi = np->vsi->port_info; 1831 struct ice_link_status *link_info; 1832 struct ice_vsi *vsi = np->vsi; 1833 1834 link_info = &vsi->port_info->phy.link_info; 1835 1836 /* Get supported and advertised settings from PHY ability with media */ 1837 ice_phy_type_to_ethtool(netdev, ks); 1838 1839 switch (link_info->link_speed) { 1840 case ICE_AQ_LINK_SPEED_100GB: 1841 ks->base.speed = SPEED_100000; 1842 break; 1843 case ICE_AQ_LINK_SPEED_50GB: 1844 ks->base.speed = SPEED_50000; 1845 break; 1846 case ICE_AQ_LINK_SPEED_40GB: 1847 ks->base.speed = SPEED_40000; 1848 break; 1849 case ICE_AQ_LINK_SPEED_25GB: 1850 ks->base.speed = SPEED_25000; 1851 break; 1852 case ICE_AQ_LINK_SPEED_20GB: 1853 ks->base.speed = SPEED_20000; 1854 break; 1855 case ICE_AQ_LINK_SPEED_10GB: 1856 ks->base.speed = SPEED_10000; 1857 break; 1858 case ICE_AQ_LINK_SPEED_5GB: 1859 ks->base.speed = SPEED_5000; 1860 break; 1861 case ICE_AQ_LINK_SPEED_2500MB: 1862 ks->base.speed = SPEED_2500; 1863 break; 1864 case ICE_AQ_LINK_SPEED_1000MB: 1865 ks->base.speed = SPEED_1000; 1866 break; 1867 case ICE_AQ_LINK_SPEED_100MB: 1868 ks->base.speed = SPEED_100; 1869 break; 1870 default: 1871 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1872 link_info->link_speed); 1873 break; 1874 } 1875 ks->base.duplex = DUPLEX_FULL; 1876 1877 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1878 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1879 Autoneg); 1880 1881 /* Set flow control negotiated Rx/Tx pause */ 1882 switch (pi->fc.current_mode) { 1883 case ICE_FC_FULL: 1884 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1885 break; 1886 case ICE_FC_TX_PAUSE: 1887 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1888 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1889 Asym_Pause); 1890 break; 1891 case ICE_FC_RX_PAUSE: 1892 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1893 Asym_Pause); 1894 break; 1895 case ICE_FC_PFC: 1896 default: 1897 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1898 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1899 Asym_Pause); 1900 break; 1901 } 1902 } 1903 1904 /** 1905 * ice_get_settings_link_down - Get the Link settings when link is down 1906 * @ks: ethtool ksettings to fill in 1907 * @netdev: network interface device structure 1908 * 1909 * Reports link settings that can be determined when link is down 1910 */ 1911 static void 1912 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1913 struct net_device *netdev) 1914 { 1915 /* link is down and the driver needs to fall back on 1916 * supported PHY types to figure out what info to display 1917 */ 1918 ice_phy_type_to_ethtool(netdev, ks); 1919 1920 /* With no link, speed and duplex are unknown */ 1921 ks->base.speed = SPEED_UNKNOWN; 1922 ks->base.duplex = DUPLEX_UNKNOWN; 1923 } 1924 1925 /** 1926 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1927 * @netdev: network interface device structure 1928 * @ks: ethtool ksettings 1929 * 1930 * Reports speed/duplex settings based on media_type 1931 */ 1932 static int 1933 ice_get_link_ksettings(struct net_device *netdev, 1934 struct ethtool_link_ksettings *ks) 1935 { 1936 struct ice_netdev_priv *np = netdev_priv(netdev); 1937 struct ice_aqc_get_phy_caps_data *caps; 1938 struct ice_link_status *hw_link_info; 1939 struct ice_vsi *vsi = np->vsi; 1940 enum ice_status status; 1941 int err = 0; 1942 1943 ethtool_link_ksettings_zero_link_mode(ks, supported); 1944 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1945 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1946 hw_link_info = &vsi->port_info->phy.link_info; 1947 1948 /* set speed and duplex */ 1949 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 1950 ice_get_settings_link_up(ks, netdev); 1951 else 1952 ice_get_settings_link_down(ks, netdev); 1953 1954 /* set autoneg settings */ 1955 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 1956 AUTONEG_ENABLE : AUTONEG_DISABLE; 1957 1958 /* set media type settings */ 1959 switch (vsi->port_info->phy.media_type) { 1960 case ICE_MEDIA_FIBER: 1961 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1962 ks->base.port = PORT_FIBRE; 1963 break; 1964 case ICE_MEDIA_BASET: 1965 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 1966 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 1967 ks->base.port = PORT_TP; 1968 break; 1969 case ICE_MEDIA_BACKPLANE: 1970 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 1971 ethtool_link_ksettings_add_link_mode(ks, advertising, 1972 Backplane); 1973 ks->base.port = PORT_NONE; 1974 break; 1975 case ICE_MEDIA_DA: 1976 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1977 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 1978 ks->base.port = PORT_DA; 1979 break; 1980 default: 1981 ks->base.port = PORT_OTHER; 1982 break; 1983 } 1984 1985 /* flow control is symmetric and always supported */ 1986 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 1987 1988 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1989 if (!caps) 1990 return -ENOMEM; 1991 1992 status = ice_aq_get_phy_caps(vsi->port_info, false, 1993 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 1994 if (status) { 1995 err = -EIO; 1996 goto done; 1997 } 1998 1999 /* Set the advertised flow control based on the PHY capability */ 2000 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2001 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2002 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2003 ethtool_link_ksettings_add_link_mode(ks, advertising, 2004 Asym_Pause); 2005 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2006 ethtool_link_ksettings_add_link_mode(ks, advertising, 2007 Asym_Pause); 2008 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2009 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2010 ethtool_link_ksettings_add_link_mode(ks, advertising, 2011 Asym_Pause); 2012 } else { 2013 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2014 ethtool_link_ksettings_del_link_mode(ks, advertising, 2015 Asym_Pause); 2016 } 2017 2018 /* Set advertised FEC modes based on PHY capability */ 2019 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2020 2021 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2022 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2023 ethtool_link_ksettings_add_link_mode(ks, advertising, 2024 FEC_BASER); 2025 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2026 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2027 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2028 2029 status = ice_aq_get_phy_caps(vsi->port_info, false, 2030 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 2031 if (status) { 2032 err = -EIO; 2033 goto done; 2034 } 2035 2036 /* Set supported FEC modes based on PHY capability */ 2037 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2038 2039 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2040 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2041 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2042 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2043 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2044 2045 /* Set supported and advertised autoneg */ 2046 if (ice_is_phy_caps_an_enabled(caps)) { 2047 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2048 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2049 } 2050 2051 done: 2052 kfree(caps); 2053 return err; 2054 } 2055 2056 /** 2057 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2058 * @ks: ethtool ksettings 2059 */ 2060 static u16 2061 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2062 { 2063 u16 adv_link_speed = 0; 2064 2065 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2066 100baseT_Full)) 2067 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2068 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2069 1000baseX_Full)) 2070 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2071 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2072 1000baseT_Full) || 2073 ethtool_link_ksettings_test_link_mode(ks, advertising, 2074 1000baseKX_Full)) 2075 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2076 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2077 2500baseT_Full)) 2078 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2079 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2080 2500baseX_Full)) 2081 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2082 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2083 5000baseT_Full)) 2084 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2085 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2086 10000baseT_Full) || 2087 ethtool_link_ksettings_test_link_mode(ks, advertising, 2088 10000baseKR_Full)) 2089 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2090 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2091 10000baseSR_Full) || 2092 ethtool_link_ksettings_test_link_mode(ks, advertising, 2093 10000baseLR_Full)) 2094 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2095 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2096 25000baseCR_Full) || 2097 ethtool_link_ksettings_test_link_mode(ks, advertising, 2098 25000baseSR_Full) || 2099 ethtool_link_ksettings_test_link_mode(ks, advertising, 2100 25000baseKR_Full)) 2101 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2102 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2103 40000baseCR4_Full) || 2104 ethtool_link_ksettings_test_link_mode(ks, advertising, 2105 40000baseSR4_Full) || 2106 ethtool_link_ksettings_test_link_mode(ks, advertising, 2107 40000baseLR4_Full) || 2108 ethtool_link_ksettings_test_link_mode(ks, advertising, 2109 40000baseKR4_Full)) 2110 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2111 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2112 50000baseCR2_Full) || 2113 ethtool_link_ksettings_test_link_mode(ks, advertising, 2114 50000baseKR2_Full)) 2115 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2116 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2117 50000baseSR2_Full)) 2118 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2119 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2120 100000baseCR4_Full) || 2121 ethtool_link_ksettings_test_link_mode(ks, advertising, 2122 100000baseSR4_Full) || 2123 ethtool_link_ksettings_test_link_mode(ks, advertising, 2124 100000baseLR4_ER4_Full) || 2125 ethtool_link_ksettings_test_link_mode(ks, advertising, 2126 100000baseKR4_Full)) 2127 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2128 2129 return adv_link_speed; 2130 } 2131 2132 /** 2133 * ice_setup_autoneg 2134 * @p: port info 2135 * @ks: ethtool_link_ksettings 2136 * @config: configuration that will be sent down to FW 2137 * @autoneg_enabled: autonegotiation is enabled or not 2138 * @autoneg_changed: will there a change in autonegotiation 2139 * @netdev: network interface device structure 2140 * 2141 * Setup PHY autonegotiation feature 2142 */ 2143 static int 2144 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2145 struct ice_aqc_set_phy_cfg_data *config, 2146 u8 autoneg_enabled, u8 *autoneg_changed, 2147 struct net_device *netdev) 2148 { 2149 int err = 0; 2150 2151 *autoneg_changed = 0; 2152 2153 /* Check autoneg */ 2154 if (autoneg_enabled == AUTONEG_ENABLE) { 2155 /* If autoneg was not already enabled */ 2156 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2157 /* If autoneg is not supported, return error */ 2158 if (!ethtool_link_ksettings_test_link_mode(ks, 2159 supported, 2160 Autoneg)) { 2161 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2162 err = -EINVAL; 2163 } else { 2164 /* Autoneg is allowed to change */ 2165 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2166 *autoneg_changed = 1; 2167 } 2168 } 2169 } else { 2170 /* If autoneg is currently enabled */ 2171 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2172 /* If autoneg is supported 10GBASE_T is the only PHY 2173 * that can disable it, so otherwise return error 2174 */ 2175 if (ethtool_link_ksettings_test_link_mode(ks, 2176 supported, 2177 Autoneg)) { 2178 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2179 err = -EINVAL; 2180 } else { 2181 /* Autoneg is allowed to change */ 2182 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2183 *autoneg_changed = 1; 2184 } 2185 } 2186 } 2187 2188 return err; 2189 } 2190 2191 /** 2192 * ice_set_link_ksettings - Set Speed and Duplex 2193 * @netdev: network interface device structure 2194 * @ks: ethtool ksettings 2195 * 2196 * Set speed/duplex per media_types advertised/forced 2197 */ 2198 static int 2199 ice_set_link_ksettings(struct net_device *netdev, 2200 const struct ethtool_link_ksettings *ks) 2201 { 2202 struct ice_netdev_priv *np = netdev_priv(netdev); 2203 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2204 struct ethtool_link_ksettings copy_ks = *ks; 2205 struct ethtool_link_ksettings safe_ks = {}; 2206 struct ice_aqc_get_phy_caps_data *phy_caps; 2207 struct ice_aqc_set_phy_cfg_data config; 2208 u16 adv_link_speed, curr_link_speed; 2209 struct ice_pf *pf = np->vsi->back; 2210 struct ice_port_info *pi; 2211 u8 autoneg_changed = 0; 2212 enum ice_status status; 2213 u64 phy_type_high = 0; 2214 u64 phy_type_low = 0; 2215 int err = 0; 2216 bool linkup; 2217 2218 pi = np->vsi->port_info; 2219 2220 if (!pi) 2221 return -EIO; 2222 2223 if (pi->phy.media_type != ICE_MEDIA_BASET && 2224 pi->phy.media_type != ICE_MEDIA_FIBER && 2225 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2226 pi->phy.media_type != ICE_MEDIA_DA && 2227 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2228 return -EOPNOTSUPP; 2229 2230 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2231 if (!phy_caps) 2232 return -ENOMEM; 2233 2234 /* Get the PHY capabilities based on media */ 2235 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2236 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2237 phy_caps, NULL); 2238 else 2239 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2240 phy_caps, NULL); 2241 if (status) { 2242 err = -EIO; 2243 goto done; 2244 } 2245 2246 /* save autoneg out of ksettings */ 2247 autoneg = copy_ks.base.autoneg; 2248 2249 /* Get link modes supported by hardware.*/ 2250 ice_phy_type_to_ethtool(netdev, &safe_ks); 2251 2252 /* and check against modes requested by user. 2253 * Return an error if unsupported mode was set. 2254 */ 2255 if (!bitmap_subset(copy_ks.link_modes.advertising, 2256 safe_ks.link_modes.supported, 2257 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2258 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2259 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"); 2260 err = -EOPNOTSUPP; 2261 goto done; 2262 } 2263 2264 /* get our own copy of the bits to check against */ 2265 memset(&safe_ks, 0, sizeof(safe_ks)); 2266 safe_ks.base.cmd = copy_ks.base.cmd; 2267 safe_ks.base.link_mode_masks_nwords = 2268 copy_ks.base.link_mode_masks_nwords; 2269 ice_get_link_ksettings(netdev, &safe_ks); 2270 2271 /* set autoneg back to what it currently is */ 2272 copy_ks.base.autoneg = safe_ks.base.autoneg; 2273 /* we don't compare the speed */ 2274 copy_ks.base.speed = safe_ks.base.speed; 2275 2276 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2277 * trying to set something that we do not support. 2278 */ 2279 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2280 err = -EOPNOTSUPP; 2281 goto done; 2282 } 2283 2284 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2285 timeout--; 2286 if (!timeout) { 2287 err = -EBUSY; 2288 goto done; 2289 } 2290 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2291 } 2292 2293 /* Copy the current user PHY configuration. The current user PHY 2294 * configuration is initialized during probe from PHY capabilities 2295 * software mode, and updated on set PHY configuration. 2296 */ 2297 config = pi->phy.curr_user_phy_cfg; 2298 2299 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2300 2301 /* Check autoneg */ 2302 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2303 netdev); 2304 2305 if (err) 2306 goto done; 2307 2308 /* Call to get the current link speed */ 2309 pi->phy.get_link_info = true; 2310 status = ice_get_link_status(pi, &linkup); 2311 if (status) { 2312 err = -EIO; 2313 goto done; 2314 } 2315 2316 curr_link_speed = pi->phy.link_info.link_speed; 2317 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2318 2319 /* If speed didn't get set, set it to what it currently is. 2320 * This is needed because if advertise is 0 (as it is when autoneg 2321 * is disabled) then speed won't get set. 2322 */ 2323 if (!adv_link_speed) 2324 adv_link_speed = curr_link_speed; 2325 2326 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2327 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); 2328 2329 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2330 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2331 goto done; 2332 } 2333 2334 /* save the requested speeds */ 2335 pi->phy.link_info.req_speeds = adv_link_speed; 2336 2337 /* set link and auto negotiation so changes take effect */ 2338 config.caps |= ICE_AQ_PHY_ENA_LINK; 2339 2340 /* check if there is a PHY type for the requested advertised speed */ 2341 if (!(phy_type_low || phy_type_high)) { 2342 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"); 2343 err = -EOPNOTSUPP; 2344 goto done; 2345 } 2346 2347 /* intersect requested advertised speed PHY types with media PHY types 2348 * for set PHY configuration 2349 */ 2350 config.phy_type_high = cpu_to_le64(phy_type_high) & 2351 phy_caps->phy_type_high; 2352 config.phy_type_low = cpu_to_le64(phy_type_low) & 2353 phy_caps->phy_type_low; 2354 2355 if (!(config.phy_type_high || config.phy_type_low)) { 2356 /* If there is no intersection and lenient mode is enabled, then 2357 * intersect the requested advertised speed with NVM media type 2358 * PHY types. 2359 */ 2360 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2361 config.phy_type_high = cpu_to_le64(phy_type_high) & 2362 pf->nvm_phy_type_hi; 2363 config.phy_type_low = cpu_to_le64(phy_type_low) & 2364 pf->nvm_phy_type_lo; 2365 } else { 2366 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"); 2367 err = -EOPNOTSUPP; 2368 goto done; 2369 } 2370 } 2371 2372 /* If link is up put link down */ 2373 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2374 /* Tell the OS link is going down, the link will go 2375 * back up when fw says it is ready asynchronously 2376 */ 2377 ice_print_link_msg(np->vsi, false); 2378 netif_carrier_off(netdev); 2379 netif_tx_stop_all_queues(netdev); 2380 } 2381 2382 /* make the aq call */ 2383 status = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2384 if (status) { 2385 netdev_info(netdev, "Set phy config failed,\n"); 2386 err = -EIO; 2387 goto done; 2388 } 2389 2390 /* Save speed request */ 2391 pi->phy.curr_user_speed_req = adv_link_speed; 2392 done: 2393 kfree(phy_caps); 2394 clear_bit(ICE_CFG_BUSY, pf->state); 2395 2396 return err; 2397 } 2398 2399 /** 2400 * ice_parse_hdrs - parses headers from RSS hash input 2401 * @nfc: ethtool rxnfc command 2402 * 2403 * This function parses the rxnfc command and returns intended 2404 * header types for RSS configuration 2405 */ 2406 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2407 { 2408 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2409 2410 switch (nfc->flow_type) { 2411 case TCP_V4_FLOW: 2412 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2413 break; 2414 case UDP_V4_FLOW: 2415 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2416 break; 2417 case SCTP_V4_FLOW: 2418 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2419 break; 2420 case TCP_V6_FLOW: 2421 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2422 break; 2423 case UDP_V6_FLOW: 2424 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2425 break; 2426 case SCTP_V6_FLOW: 2427 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2428 break; 2429 default: 2430 break; 2431 } 2432 return hdrs; 2433 } 2434 2435 #define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) 2436 #define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) 2437 #define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) 2438 #define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) 2439 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) 2440 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) 2441 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) 2442 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) 2443 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ 2444 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) 2445 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ 2446 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) 2447 2448 /** 2449 * ice_parse_hash_flds - parses hash fields from RSS hash input 2450 * @nfc: ethtool rxnfc command 2451 * 2452 * This function parses the rxnfc command and returns intended 2453 * hash fields for RSS configuration 2454 */ 2455 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) 2456 { 2457 u64 hfld = ICE_HASH_INVALID; 2458 2459 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2460 switch (nfc->flow_type) { 2461 case TCP_V4_FLOW: 2462 case UDP_V4_FLOW: 2463 case SCTP_V4_FLOW: 2464 if (nfc->data & RXH_IP_SRC) 2465 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2466 if (nfc->data & RXH_IP_DST) 2467 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2468 break; 2469 case TCP_V6_FLOW: 2470 case UDP_V6_FLOW: 2471 case SCTP_V6_FLOW: 2472 if (nfc->data & RXH_IP_SRC) 2473 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2474 if (nfc->data & RXH_IP_DST) 2475 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2476 break; 2477 default: 2478 break; 2479 } 2480 } 2481 2482 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2483 switch (nfc->flow_type) { 2484 case TCP_V4_FLOW: 2485 case TCP_V6_FLOW: 2486 if (nfc->data & RXH_L4_B_0_1) 2487 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2488 if (nfc->data & RXH_L4_B_2_3) 2489 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2490 break; 2491 case UDP_V4_FLOW: 2492 case UDP_V6_FLOW: 2493 if (nfc->data & RXH_L4_B_0_1) 2494 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2495 if (nfc->data & RXH_L4_B_2_3) 2496 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2497 break; 2498 case SCTP_V4_FLOW: 2499 case SCTP_V6_FLOW: 2500 if (nfc->data & RXH_L4_B_0_1) 2501 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2502 if (nfc->data & RXH_L4_B_2_3) 2503 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2504 break; 2505 default: 2506 break; 2507 } 2508 } 2509 2510 return hfld; 2511 } 2512 2513 /** 2514 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2515 * @vsi: the VSI being configured 2516 * @nfc: ethtool rxnfc command 2517 * 2518 * Returns Success if the flow input set is supported. 2519 */ 2520 static int 2521 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2522 { 2523 struct ice_pf *pf = vsi->back; 2524 enum ice_status status; 2525 struct device *dev; 2526 u64 hashed_flds; 2527 u32 hdrs; 2528 2529 dev = ice_pf_to_dev(pf); 2530 if (ice_is_safe_mode(pf)) { 2531 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2532 vsi->vsi_num); 2533 return -EINVAL; 2534 } 2535 2536 hashed_flds = ice_parse_hash_flds(nfc); 2537 if (hashed_flds == ICE_HASH_INVALID) { 2538 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2539 vsi->vsi_num); 2540 return -EINVAL; 2541 } 2542 2543 hdrs = ice_parse_hdrs(nfc); 2544 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2545 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2546 vsi->vsi_num); 2547 return -EINVAL; 2548 } 2549 2550 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); 2551 if (status) { 2552 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %s\n", 2553 vsi->vsi_num, ice_stat_str(status)); 2554 return -EINVAL; 2555 } 2556 2557 return 0; 2558 } 2559 2560 /** 2561 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2562 * @vsi: the VSI being configured 2563 * @nfc: ethtool rxnfc command 2564 */ 2565 static void 2566 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2567 { 2568 struct ice_pf *pf = vsi->back; 2569 struct device *dev; 2570 u64 hash_flds; 2571 u32 hdrs; 2572 2573 dev = ice_pf_to_dev(pf); 2574 2575 nfc->data = 0; 2576 if (ice_is_safe_mode(pf)) { 2577 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2578 vsi->vsi_num); 2579 return; 2580 } 2581 2582 hdrs = ice_parse_hdrs(nfc); 2583 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2584 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2585 vsi->vsi_num); 2586 return; 2587 } 2588 2589 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); 2590 if (hash_flds == ICE_HASH_INVALID) { 2591 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2592 vsi->vsi_num); 2593 return; 2594 } 2595 2596 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2597 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2598 nfc->data |= (u64)RXH_IP_SRC; 2599 2600 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2601 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2602 nfc->data |= (u64)RXH_IP_DST; 2603 2604 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2605 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2606 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2607 nfc->data |= (u64)RXH_L4_B_0_1; 2608 2609 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2610 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2611 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2612 nfc->data |= (u64)RXH_L4_B_2_3; 2613 } 2614 2615 /** 2616 * ice_set_rxnfc - command to set Rx flow rules. 2617 * @netdev: network interface device structure 2618 * @cmd: ethtool rxnfc command 2619 * 2620 * Returns 0 for success and negative values for errors 2621 */ 2622 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2623 { 2624 struct ice_netdev_priv *np = netdev_priv(netdev); 2625 struct ice_vsi *vsi = np->vsi; 2626 2627 switch (cmd->cmd) { 2628 case ETHTOOL_SRXCLSRLINS: 2629 return ice_add_fdir_ethtool(vsi, cmd); 2630 case ETHTOOL_SRXCLSRLDEL: 2631 return ice_del_fdir_ethtool(vsi, cmd); 2632 case ETHTOOL_SRXFH: 2633 return ice_set_rss_hash_opt(vsi, cmd); 2634 default: 2635 break; 2636 } 2637 return -EOPNOTSUPP; 2638 } 2639 2640 /** 2641 * ice_get_rxnfc - command to get Rx flow classification rules 2642 * @netdev: network interface device structure 2643 * @cmd: ethtool rxnfc command 2644 * @rule_locs: buffer to rturn Rx flow classification rules 2645 * 2646 * Returns Success if the command is supported. 2647 */ 2648 static int 2649 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2650 u32 __always_unused *rule_locs) 2651 { 2652 struct ice_netdev_priv *np = netdev_priv(netdev); 2653 struct ice_vsi *vsi = np->vsi; 2654 int ret = -EOPNOTSUPP; 2655 struct ice_hw *hw; 2656 2657 hw = &vsi->back->hw; 2658 2659 switch (cmd->cmd) { 2660 case ETHTOOL_GRXRINGS: 2661 cmd->data = vsi->rss_size; 2662 ret = 0; 2663 break; 2664 case ETHTOOL_GRXCLSRLCNT: 2665 cmd->rule_cnt = hw->fdir_active_fltr; 2666 /* report total rule count */ 2667 cmd->data = ice_get_fdir_cnt_all(hw); 2668 ret = 0; 2669 break; 2670 case ETHTOOL_GRXCLSRULE: 2671 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2672 break; 2673 case ETHTOOL_GRXCLSRLALL: 2674 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2675 break; 2676 case ETHTOOL_GRXFH: 2677 ice_get_rss_hash_opt(vsi, cmd); 2678 ret = 0; 2679 break; 2680 default: 2681 break; 2682 } 2683 2684 return ret; 2685 } 2686 2687 static void 2688 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2689 { 2690 struct ice_netdev_priv *np = netdev_priv(netdev); 2691 struct ice_vsi *vsi = np->vsi; 2692 2693 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2694 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2695 ring->rx_pending = vsi->rx_rings[0]->count; 2696 ring->tx_pending = vsi->tx_rings[0]->count; 2697 2698 /* Rx mini and jumbo rings are not supported */ 2699 ring->rx_mini_max_pending = 0; 2700 ring->rx_jumbo_max_pending = 0; 2701 ring->rx_mini_pending = 0; 2702 ring->rx_jumbo_pending = 0; 2703 } 2704 2705 static int 2706 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2707 { 2708 struct ice_netdev_priv *np = netdev_priv(netdev); 2709 struct ice_tx_ring *xdp_rings = NULL; 2710 struct ice_tx_ring *tx_rings = NULL; 2711 struct ice_rx_ring *rx_rings = NULL; 2712 struct ice_vsi *vsi = np->vsi; 2713 struct ice_pf *pf = vsi->back; 2714 int i, timeout = 50, err = 0; 2715 u16 new_rx_cnt, new_tx_cnt; 2716 2717 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2718 ring->tx_pending < ICE_MIN_NUM_DESC || 2719 ring->rx_pending > ICE_MAX_NUM_DESC || 2720 ring->rx_pending < ICE_MIN_NUM_DESC) { 2721 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2722 ring->tx_pending, ring->rx_pending, 2723 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2724 ICE_REQ_DESC_MULTIPLE); 2725 return -EINVAL; 2726 } 2727 2728 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2729 if (new_tx_cnt != ring->tx_pending) 2730 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2731 new_tx_cnt); 2732 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2733 if (new_rx_cnt != ring->rx_pending) 2734 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2735 new_rx_cnt); 2736 2737 /* if nothing to do return success */ 2738 if (new_tx_cnt == vsi->tx_rings[0]->count && 2739 new_rx_cnt == vsi->rx_rings[0]->count) { 2740 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2741 return 0; 2742 } 2743 2744 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2745 * disallow changing the number of descriptors -- regardless 2746 * if the netdev is running or not. 2747 */ 2748 if (ice_xsk_any_rx_ring_ena(vsi)) 2749 return -EBUSY; 2750 2751 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2752 timeout--; 2753 if (!timeout) 2754 return -EBUSY; 2755 usleep_range(1000, 2000); 2756 } 2757 2758 /* set for the next time the netdev is started */ 2759 if (!netif_running(vsi->netdev)) { 2760 ice_for_each_alloc_txq(vsi, i) 2761 vsi->tx_rings[i]->count = new_tx_cnt; 2762 ice_for_each_alloc_rxq(vsi, i) 2763 vsi->rx_rings[i]->count = new_rx_cnt; 2764 if (ice_is_xdp_ena_vsi(vsi)) 2765 ice_for_each_xdp_txq(vsi, i) 2766 vsi->xdp_rings[i]->count = new_tx_cnt; 2767 vsi->num_tx_desc = (u16)new_tx_cnt; 2768 vsi->num_rx_desc = (u16)new_rx_cnt; 2769 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2770 goto done; 2771 } 2772 2773 if (new_tx_cnt == vsi->tx_rings[0]->count) 2774 goto process_rx; 2775 2776 /* alloc updated Tx resources */ 2777 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2778 vsi->tx_rings[0]->count, new_tx_cnt); 2779 2780 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2781 if (!tx_rings) { 2782 err = -ENOMEM; 2783 goto done; 2784 } 2785 2786 ice_for_each_txq(vsi, i) { 2787 /* clone ring and setup updated count */ 2788 tx_rings[i] = *vsi->tx_rings[i]; 2789 tx_rings[i].count = new_tx_cnt; 2790 tx_rings[i].desc = NULL; 2791 tx_rings[i].tx_buf = NULL; 2792 err = ice_setup_tx_ring(&tx_rings[i]); 2793 if (err) { 2794 while (i--) 2795 ice_clean_tx_ring(&tx_rings[i]); 2796 kfree(tx_rings); 2797 goto done; 2798 } 2799 } 2800 2801 if (!ice_is_xdp_ena_vsi(vsi)) 2802 goto process_rx; 2803 2804 /* alloc updated XDP resources */ 2805 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2806 vsi->xdp_rings[0]->count, new_tx_cnt); 2807 2808 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2809 if (!xdp_rings) { 2810 err = -ENOMEM; 2811 goto free_tx; 2812 } 2813 2814 ice_for_each_xdp_txq(vsi, i) { 2815 /* clone ring and setup updated count */ 2816 xdp_rings[i] = *vsi->xdp_rings[i]; 2817 xdp_rings[i].count = new_tx_cnt; 2818 xdp_rings[i].desc = NULL; 2819 xdp_rings[i].tx_buf = NULL; 2820 err = ice_setup_tx_ring(&xdp_rings[i]); 2821 if (err) { 2822 while (i--) 2823 ice_clean_tx_ring(&xdp_rings[i]); 2824 kfree(xdp_rings); 2825 goto free_tx; 2826 } 2827 ice_set_ring_xdp(&xdp_rings[i]); 2828 } 2829 2830 process_rx: 2831 if (new_rx_cnt == vsi->rx_rings[0]->count) 2832 goto process_link; 2833 2834 /* alloc updated Rx resources */ 2835 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2836 vsi->rx_rings[0]->count, new_rx_cnt); 2837 2838 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2839 if (!rx_rings) { 2840 err = -ENOMEM; 2841 goto done; 2842 } 2843 2844 ice_for_each_rxq(vsi, i) { 2845 /* clone ring and setup updated count */ 2846 rx_rings[i] = *vsi->rx_rings[i]; 2847 rx_rings[i].count = new_rx_cnt; 2848 rx_rings[i].desc = NULL; 2849 rx_rings[i].rx_buf = NULL; 2850 /* this is to allow wr32 to have something to write to 2851 * during early allocation of Rx buffers 2852 */ 2853 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2854 2855 err = ice_setup_rx_ring(&rx_rings[i]); 2856 if (err) 2857 goto rx_unwind; 2858 2859 /* allocate Rx buffers */ 2860 err = ice_alloc_rx_bufs(&rx_rings[i], 2861 ICE_DESC_UNUSED(&rx_rings[i])); 2862 rx_unwind: 2863 if (err) { 2864 while (i) { 2865 i--; 2866 ice_free_rx_ring(&rx_rings[i]); 2867 } 2868 kfree(rx_rings); 2869 err = -ENOMEM; 2870 goto free_tx; 2871 } 2872 } 2873 2874 process_link: 2875 /* Bring interface down, copy in the new ring info, then restore the 2876 * interface. if VSI is up, bring it down and then back up 2877 */ 2878 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 2879 ice_down(vsi); 2880 2881 if (tx_rings) { 2882 ice_for_each_txq(vsi, i) { 2883 ice_free_tx_ring(vsi->tx_rings[i]); 2884 *vsi->tx_rings[i] = tx_rings[i]; 2885 } 2886 kfree(tx_rings); 2887 } 2888 2889 if (rx_rings) { 2890 ice_for_each_rxq(vsi, i) { 2891 ice_free_rx_ring(vsi->rx_rings[i]); 2892 /* copy the real tail offset */ 2893 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2894 /* this is to fake out the allocation routine 2895 * into thinking it has to realloc everything 2896 * but the recycling logic will let us re-use 2897 * the buffers allocated above 2898 */ 2899 rx_rings[i].next_to_use = 0; 2900 rx_rings[i].next_to_clean = 0; 2901 rx_rings[i].next_to_alloc = 0; 2902 *vsi->rx_rings[i] = rx_rings[i]; 2903 } 2904 kfree(rx_rings); 2905 } 2906 2907 if (xdp_rings) { 2908 ice_for_each_xdp_txq(vsi, i) { 2909 ice_free_tx_ring(vsi->xdp_rings[i]); 2910 *vsi->xdp_rings[i] = xdp_rings[i]; 2911 } 2912 kfree(xdp_rings); 2913 } 2914 2915 vsi->num_tx_desc = new_tx_cnt; 2916 vsi->num_rx_desc = new_rx_cnt; 2917 ice_up(vsi); 2918 } 2919 goto done; 2920 2921 free_tx: 2922 /* error cleanup if the Rx allocations failed after getting Tx */ 2923 if (tx_rings) { 2924 ice_for_each_txq(vsi, i) 2925 ice_free_tx_ring(&tx_rings[i]); 2926 kfree(tx_rings); 2927 } 2928 2929 done: 2930 clear_bit(ICE_CFG_BUSY, pf->state); 2931 return err; 2932 } 2933 2934 /** 2935 * ice_get_pauseparam - Get Flow Control status 2936 * @netdev: network interface device structure 2937 * @pause: ethernet pause (flow control) parameters 2938 * 2939 * Get requested flow control status from PHY capability. 2940 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2941 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2942 * the negotiated Rx/Tx pause via lp_advertising. 2943 */ 2944 static void 2945 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2946 { 2947 struct ice_netdev_priv *np = netdev_priv(netdev); 2948 struct ice_port_info *pi = np->vsi->port_info; 2949 struct ice_aqc_get_phy_caps_data *pcaps; 2950 struct ice_dcbx_cfg *dcbx_cfg; 2951 enum ice_status status; 2952 2953 /* Initialize pause params */ 2954 pause->rx_pause = 0; 2955 pause->tx_pause = 0; 2956 2957 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 2958 2959 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2960 if (!pcaps) 2961 return; 2962 2963 /* Get current PHY config */ 2964 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 2965 NULL); 2966 if (status) 2967 goto out; 2968 2969 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 2970 AUTONEG_DISABLE; 2971 2972 if (dcbx_cfg->pfc.pfcena) 2973 /* PFC enabled so report LFC as off */ 2974 goto out; 2975 2976 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 2977 pause->tx_pause = 1; 2978 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 2979 pause->rx_pause = 1; 2980 2981 out: 2982 kfree(pcaps); 2983 } 2984 2985 /** 2986 * ice_set_pauseparam - Set Flow Control parameter 2987 * @netdev: network interface device structure 2988 * @pause: return Tx/Rx flow control status 2989 */ 2990 static int 2991 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2992 { 2993 struct ice_netdev_priv *np = netdev_priv(netdev); 2994 struct ice_aqc_get_phy_caps_data *pcaps; 2995 struct ice_link_status *hw_link_info; 2996 struct ice_pf *pf = np->vsi->back; 2997 struct ice_dcbx_cfg *dcbx_cfg; 2998 struct ice_vsi *vsi = np->vsi; 2999 struct ice_hw *hw = &pf->hw; 3000 struct ice_port_info *pi; 3001 enum ice_status status; 3002 u8 aq_failures; 3003 bool link_up; 3004 int err = 0; 3005 u32 is_an; 3006 3007 pi = vsi->port_info; 3008 hw_link_info = &pi->phy.link_info; 3009 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3010 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3011 3012 /* Changing the port's flow control is not supported if this isn't the 3013 * PF VSI 3014 */ 3015 if (vsi->type != ICE_VSI_PF) { 3016 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3017 return -EOPNOTSUPP; 3018 } 3019 3020 /* Get pause param reports configured and negotiated flow control pause 3021 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3022 * defined get pause param pause->autoneg reports SW configured setting, 3023 * so compare pause->autoneg with SW configured to prevent the user from 3024 * using set pause param to chance autoneg. 3025 */ 3026 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3027 if (!pcaps) 3028 return -ENOMEM; 3029 3030 /* Get current PHY config */ 3031 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3032 NULL); 3033 if (status) { 3034 kfree(pcaps); 3035 return -EIO; 3036 } 3037 3038 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3039 AUTONEG_DISABLE; 3040 3041 kfree(pcaps); 3042 3043 if (pause->autoneg != is_an) { 3044 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3045 return -EOPNOTSUPP; 3046 } 3047 3048 /* If we have link and don't have autoneg */ 3049 if (!test_bit(ICE_DOWN, pf->state) && 3050 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3051 /* Send message that it might not necessarily work*/ 3052 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3053 } 3054 3055 if (dcbx_cfg->pfc.pfcena) { 3056 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3057 return -EOPNOTSUPP; 3058 } 3059 if (pause->rx_pause && pause->tx_pause) 3060 pi->fc.req_mode = ICE_FC_FULL; 3061 else if (pause->rx_pause && !pause->tx_pause) 3062 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3063 else if (!pause->rx_pause && pause->tx_pause) 3064 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3065 else if (!pause->rx_pause && !pause->tx_pause) 3066 pi->fc.req_mode = ICE_FC_NONE; 3067 else 3068 return -EINVAL; 3069 3070 /* Set the FC mode and only restart AN if link is up */ 3071 status = ice_set_fc(pi, &aq_failures, link_up); 3072 3073 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3074 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 3075 ice_stat_str(status), 3076 ice_aq_str(hw->adminq.sq_last_status)); 3077 err = -EAGAIN; 3078 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3079 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 3080 ice_stat_str(status), 3081 ice_aq_str(hw->adminq.sq_last_status)); 3082 err = -EAGAIN; 3083 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3084 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 3085 ice_stat_str(status), 3086 ice_aq_str(hw->adminq.sq_last_status)); 3087 err = -EAGAIN; 3088 } 3089 3090 return err; 3091 } 3092 3093 /** 3094 * ice_get_rxfh_key_size - get the RSS hash key size 3095 * @netdev: network interface device structure 3096 * 3097 * Returns the table size. 3098 */ 3099 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3100 { 3101 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3102 } 3103 3104 /** 3105 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3106 * @netdev: network interface device structure 3107 * 3108 * Returns the table size. 3109 */ 3110 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3111 { 3112 struct ice_netdev_priv *np = netdev_priv(netdev); 3113 3114 return np->vsi->rss_table_size; 3115 } 3116 3117 /** 3118 * ice_get_rxfh - get the Rx flow hash indirection table 3119 * @netdev: network interface device structure 3120 * @indir: indirection table 3121 * @key: hash key 3122 * @hfunc: hash function 3123 * 3124 * Reads the indirection table directly from the hardware. 3125 */ 3126 static int 3127 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3128 { 3129 struct ice_netdev_priv *np = netdev_priv(netdev); 3130 struct ice_vsi *vsi = np->vsi; 3131 struct ice_pf *pf = vsi->back; 3132 int err, i; 3133 u8 *lut; 3134 3135 if (hfunc) 3136 *hfunc = ETH_RSS_HASH_TOP; 3137 3138 if (!indir) 3139 return 0; 3140 3141 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3142 /* RSS not supported return error here */ 3143 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3144 return -EIO; 3145 } 3146 3147 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3148 if (!lut) 3149 return -ENOMEM; 3150 3151 err = ice_get_rss_key(vsi, key); 3152 if (err) 3153 goto out; 3154 3155 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size); 3156 if (err) 3157 goto out; 3158 3159 for (i = 0; i < vsi->rss_table_size; i++) 3160 indir[i] = (u32)(lut[i]); 3161 3162 out: 3163 kfree(lut); 3164 return err; 3165 } 3166 3167 /** 3168 * ice_set_rxfh - set the Rx flow hash indirection table 3169 * @netdev: network interface device structure 3170 * @indir: indirection table 3171 * @key: hash key 3172 * @hfunc: hash function 3173 * 3174 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3175 * returns 0 after programming the table. 3176 */ 3177 static int 3178 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3179 const u8 hfunc) 3180 { 3181 struct ice_netdev_priv *np = netdev_priv(netdev); 3182 struct ice_vsi *vsi = np->vsi; 3183 struct ice_pf *pf = vsi->back; 3184 struct device *dev; 3185 int err; 3186 3187 dev = ice_pf_to_dev(pf); 3188 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3189 return -EOPNOTSUPP; 3190 3191 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3192 /* RSS not supported return error here */ 3193 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3194 return -EIO; 3195 } 3196 3197 if (ice_is_adq_active(pf)) { 3198 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n"); 3199 return -EOPNOTSUPP; 3200 } 3201 3202 if (key) { 3203 if (!vsi->rss_hkey_user) { 3204 vsi->rss_hkey_user = 3205 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3206 GFP_KERNEL); 3207 if (!vsi->rss_hkey_user) 3208 return -ENOMEM; 3209 } 3210 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3211 3212 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3213 if (err) 3214 return err; 3215 } 3216 3217 if (!vsi->rss_lut_user) { 3218 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3219 GFP_KERNEL); 3220 if (!vsi->rss_lut_user) 3221 return -ENOMEM; 3222 } 3223 3224 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3225 if (indir) { 3226 int i; 3227 3228 for (i = 0; i < vsi->rss_table_size; i++) 3229 vsi->rss_lut_user[i] = (u8)(indir[i]); 3230 } else { 3231 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3232 vsi->rss_size); 3233 } 3234 3235 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3236 if (err) 3237 return err; 3238 3239 return 0; 3240 } 3241 3242 static int 3243 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) 3244 { 3245 struct ice_pf *pf = ice_netdev_to_pf(dev); 3246 3247 /* only report timestamping if PTP is enabled */ 3248 if (!test_bit(ICE_FLAG_PTP, pf->flags)) 3249 return ethtool_op_get_ts_info(dev, info); 3250 3251 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3252 SOF_TIMESTAMPING_RX_SOFTWARE | 3253 SOF_TIMESTAMPING_SOFTWARE | 3254 SOF_TIMESTAMPING_TX_HARDWARE | 3255 SOF_TIMESTAMPING_RX_HARDWARE | 3256 SOF_TIMESTAMPING_RAW_HARDWARE; 3257 3258 info->phc_index = ice_get_ptp_clock_index(pf); 3259 3260 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3261 3262 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3263 3264 return 0; 3265 } 3266 3267 /** 3268 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3269 * @pf: PF structure 3270 */ 3271 static int ice_get_max_txq(struct ice_pf *pf) 3272 { 3273 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3274 (u16)pf->hw.func_caps.common_cap.num_txq); 3275 } 3276 3277 /** 3278 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3279 * @pf: PF structure 3280 */ 3281 static int ice_get_max_rxq(struct ice_pf *pf) 3282 { 3283 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3284 (u16)pf->hw.func_caps.common_cap.num_rxq); 3285 } 3286 3287 /** 3288 * ice_get_combined_cnt - return the current number of combined channels 3289 * @vsi: PF VSI pointer 3290 * 3291 * Go through all queue vectors and count ones that have both Rx and Tx ring 3292 * attached 3293 */ 3294 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3295 { 3296 u32 combined = 0; 3297 int q_idx; 3298 3299 ice_for_each_q_vector(vsi, q_idx) { 3300 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3301 3302 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring) 3303 combined++; 3304 } 3305 3306 return combined; 3307 } 3308 3309 /** 3310 * ice_get_channels - get the current and max supported channels 3311 * @dev: network interface device structure 3312 * @ch: ethtool channel data structure 3313 */ 3314 static void 3315 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3316 { 3317 struct ice_netdev_priv *np = netdev_priv(dev); 3318 struct ice_vsi *vsi = np->vsi; 3319 struct ice_pf *pf = vsi->back; 3320 3321 /* report maximum channels */ 3322 ch->max_rx = ice_get_max_rxq(pf); 3323 ch->max_tx = ice_get_max_txq(pf); 3324 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3325 3326 /* report current channels */ 3327 ch->combined_count = ice_get_combined_cnt(vsi); 3328 ch->rx_count = vsi->num_rxq - ch->combined_count; 3329 ch->tx_count = vsi->num_txq - ch->combined_count; 3330 3331 /* report other queues */ 3332 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3333 ch->max_other = ch->other_count; 3334 } 3335 3336 /** 3337 * ice_get_valid_rss_size - return valid number of RSS queues 3338 * @hw: pointer to the HW structure 3339 * @new_size: requested RSS queues 3340 */ 3341 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3342 { 3343 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3344 3345 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3346 } 3347 3348 /** 3349 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3350 * @vsi: VSI to reconfigure RSS LUT on 3351 * @req_rss_size: requested range of queue numbers for hashing 3352 * 3353 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3354 */ 3355 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3356 { 3357 struct ice_pf *pf = vsi->back; 3358 struct device *dev; 3359 struct ice_hw *hw; 3360 int err; 3361 u8 *lut; 3362 3363 dev = ice_pf_to_dev(pf); 3364 hw = &pf->hw; 3365 3366 if (!req_rss_size) 3367 return -EINVAL; 3368 3369 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3370 if (!lut) 3371 return -ENOMEM; 3372 3373 /* set RSS LUT parameters */ 3374 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3375 vsi->rss_size = 1; 3376 else 3377 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3378 3379 /* create/set RSS LUT */ 3380 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3381 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3382 if (err) 3383 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3384 ice_aq_str(hw->adminq.sq_last_status)); 3385 3386 kfree(lut); 3387 return err; 3388 } 3389 3390 /** 3391 * ice_set_channels - set the number channels 3392 * @dev: network interface device structure 3393 * @ch: ethtool channel data structure 3394 */ 3395 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3396 { 3397 struct ice_netdev_priv *np = netdev_priv(dev); 3398 struct ice_vsi *vsi = np->vsi; 3399 struct ice_pf *pf = vsi->back; 3400 int new_rx = 0, new_tx = 0; 3401 u32 curr_combined; 3402 3403 /* do not support changing channels in Safe Mode */ 3404 if (ice_is_safe_mode(pf)) { 3405 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3406 return -EOPNOTSUPP; 3407 } 3408 /* do not support changing other_count */ 3409 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3410 return -EINVAL; 3411 3412 if (ice_is_adq_active(pf)) { 3413 netdev_err(dev, "Cannot set channels with ADQ configured.\n"); 3414 return -EOPNOTSUPP; 3415 } 3416 3417 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3418 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3419 return -EOPNOTSUPP; 3420 } 3421 3422 curr_combined = ice_get_combined_cnt(vsi); 3423 3424 /* these checks are for cases where user didn't specify a particular 3425 * value on cmd line but we get non-zero value anyway via 3426 * get_channels(); look at ethtool.c in ethtool repository (the user 3427 * space part), particularly, do_schannels() routine 3428 */ 3429 if (ch->rx_count == vsi->num_rxq - curr_combined) 3430 ch->rx_count = 0; 3431 if (ch->tx_count == vsi->num_txq - curr_combined) 3432 ch->tx_count = 0; 3433 if (ch->combined_count == curr_combined) 3434 ch->combined_count = 0; 3435 3436 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3437 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3438 return -EINVAL; 3439 } 3440 3441 new_rx = ch->combined_count + ch->rx_count; 3442 new_tx = ch->combined_count + ch->tx_count; 3443 3444 if (new_rx > ice_get_max_rxq(pf)) { 3445 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3446 ice_get_max_rxq(pf)); 3447 return -EINVAL; 3448 } 3449 if (new_tx > ice_get_max_txq(pf)) { 3450 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3451 ice_get_max_txq(pf)); 3452 return -EINVAL; 3453 } 3454 3455 ice_vsi_recfg_qs(vsi, new_rx, new_tx); 3456 3457 if (!netif_is_rxfh_configured(dev)) 3458 return ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3459 3460 /* Update rss_size due to change in Rx queues */ 3461 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3462 3463 return 0; 3464 } 3465 3466 /** 3467 * ice_get_wol - get current Wake on LAN configuration 3468 * @netdev: network interface device structure 3469 * @wol: Ethtool structure to retrieve WoL settings 3470 */ 3471 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3472 { 3473 struct ice_netdev_priv *np = netdev_priv(netdev); 3474 struct ice_pf *pf = np->vsi->back; 3475 3476 if (np->vsi->type != ICE_VSI_PF) 3477 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3478 3479 /* Get WoL settings based on the HW capability */ 3480 if (ice_is_wol_supported(&pf->hw)) { 3481 wol->supported = WAKE_MAGIC; 3482 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3483 } else { 3484 wol->supported = 0; 3485 wol->wolopts = 0; 3486 } 3487 } 3488 3489 /** 3490 * ice_set_wol - set Wake on LAN on supported device 3491 * @netdev: network interface device structure 3492 * @wol: Ethtool structure to set WoL 3493 */ 3494 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3495 { 3496 struct ice_netdev_priv *np = netdev_priv(netdev); 3497 struct ice_vsi *vsi = np->vsi; 3498 struct ice_pf *pf = vsi->back; 3499 3500 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 3501 return -EOPNOTSUPP; 3502 3503 /* only magic packet is supported */ 3504 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3505 return -EOPNOTSUPP; 3506 3507 /* Set WoL only if there is a new value */ 3508 if (pf->wol_ena != !!wol->wolopts) { 3509 pf->wol_ena = !!wol->wolopts; 3510 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3511 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3512 pf->wol_ena ? "en" : "dis"); 3513 } 3514 3515 return 0; 3516 } 3517 3518 /** 3519 * ice_get_rc_coalesce - get ITR values for specific ring container 3520 * @ec: ethtool structure to fill with driver's coalesce settings 3521 * @rc: ring container that the ITR values will come from 3522 * 3523 * Query the device for ice_ring_container specific ITR values. This is 3524 * done per ice_ring_container because each q_vector can have 1 or more rings 3525 * and all of said ring(s) will have the same ITR values. 3526 * 3527 * Returns 0 on success, negative otherwise. 3528 */ 3529 static int 3530 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc) 3531 { 3532 if (!rc->rx_ring) 3533 return -EINVAL; 3534 3535 switch (rc->type) { 3536 case ICE_RX_CONTAINER: 3537 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 3538 ec->rx_coalesce_usecs = rc->itr_setting; 3539 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl; 3540 break; 3541 case ICE_TX_CONTAINER: 3542 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 3543 ec->tx_coalesce_usecs = rc->itr_setting; 3544 break; 3545 default: 3546 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type); 3547 return -EINVAL; 3548 } 3549 3550 return 0; 3551 } 3552 3553 /** 3554 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3555 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3556 * @ec: coalesce settings to program the device with 3557 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3558 * 3559 * Return 0 on success, and negative under the following conditions: 3560 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3561 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3562 */ 3563 static int 3564 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3565 { 3566 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3567 if (ice_get_rc_coalesce(ec, 3568 &vsi->rx_rings[q_num]->q_vector->rx)) 3569 return -EINVAL; 3570 if (ice_get_rc_coalesce(ec, 3571 &vsi->tx_rings[q_num]->q_vector->tx)) 3572 return -EINVAL; 3573 } else if (q_num < vsi->num_rxq) { 3574 if (ice_get_rc_coalesce(ec, 3575 &vsi->rx_rings[q_num]->q_vector->rx)) 3576 return -EINVAL; 3577 } else if (q_num < vsi->num_txq) { 3578 if (ice_get_rc_coalesce(ec, 3579 &vsi->tx_rings[q_num]->q_vector->tx)) 3580 return -EINVAL; 3581 } else { 3582 return -EINVAL; 3583 } 3584 3585 return 0; 3586 } 3587 3588 /** 3589 * __ice_get_coalesce - get ITR/INTRL values for the device 3590 * @netdev: pointer to the netdev associated with this query 3591 * @ec: ethtool structure to fill with driver's coalesce settings 3592 * @q_num: queue number to get the coalesce settings for 3593 * 3594 * If the caller passes in a negative q_num then we return coalesce settings 3595 * based on queue number 0, else use the actual q_num passed in. 3596 */ 3597 static int 3598 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3599 int q_num) 3600 { 3601 struct ice_netdev_priv *np = netdev_priv(netdev); 3602 struct ice_vsi *vsi = np->vsi; 3603 3604 if (q_num < 0) 3605 q_num = 0; 3606 3607 if (ice_get_q_coalesce(vsi, ec, q_num)) 3608 return -EINVAL; 3609 3610 return 0; 3611 } 3612 3613 static int ice_get_coalesce(struct net_device *netdev, 3614 struct ethtool_coalesce *ec, 3615 struct kernel_ethtool_coalesce *kernel_coal, 3616 struct netlink_ext_ack *extack) 3617 { 3618 return __ice_get_coalesce(netdev, ec, -1); 3619 } 3620 3621 static int 3622 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3623 struct ethtool_coalesce *ec) 3624 { 3625 return __ice_get_coalesce(netdev, ec, q_num); 3626 } 3627 3628 /** 3629 * ice_set_rc_coalesce - set ITR values for specific ring container 3630 * @ec: ethtool structure from user to update ITR settings 3631 * @rc: ring container that the ITR values will come from 3632 * @vsi: VSI associated to the ring container 3633 * 3634 * Set specific ITR values. This is done per ice_ring_container because each 3635 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3636 * ITR values. 3637 * 3638 * Returns 0 on success, negative otherwise. 3639 */ 3640 static int 3641 ice_set_rc_coalesce(struct ethtool_coalesce *ec, 3642 struct ice_ring_container *rc, struct ice_vsi *vsi) 3643 { 3644 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3645 u32 use_adaptive_coalesce, coalesce_usecs; 3646 struct ice_pf *pf = vsi->back; 3647 u16 itr_setting; 3648 3649 if (!rc->rx_ring) 3650 return -EINVAL; 3651 3652 switch (rc->type) { 3653 case ICE_RX_CONTAINER: 3654 { 3655 struct ice_q_vector *q_vector = rc->rx_ring->q_vector; 3656 3657 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3658 (ec->rx_coalesce_usecs_high && 3659 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3660 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3661 c_type_str, pf->hw.intrl_gran, 3662 ICE_MAX_INTRL); 3663 return -EINVAL; 3664 } 3665 if (ec->rx_coalesce_usecs_high != q_vector->intrl && 3666 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 3667 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 3668 c_type_str); 3669 return -EINVAL; 3670 } 3671 if (ec->rx_coalesce_usecs_high != q_vector->intrl) 3672 q_vector->intrl = ec->rx_coalesce_usecs_high; 3673 3674 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3675 coalesce_usecs = ec->rx_coalesce_usecs; 3676 3677 break; 3678 } 3679 case ICE_TX_CONTAINER: 3680 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3681 coalesce_usecs = ec->tx_coalesce_usecs; 3682 3683 break; 3684 default: 3685 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3686 rc->type); 3687 return -EINVAL; 3688 } 3689 3690 itr_setting = rc->itr_setting; 3691 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3692 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3693 c_type_str, c_type_str); 3694 return -EINVAL; 3695 } 3696 3697 if (coalesce_usecs > ICE_ITR_MAX) { 3698 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3699 c_type_str, ICE_ITR_MAX); 3700 return -EINVAL; 3701 } 3702 3703 if (use_adaptive_coalesce) { 3704 rc->itr_mode = ITR_DYNAMIC; 3705 } else { 3706 rc->itr_mode = ITR_STATIC; 3707 /* store user facing value how it was set */ 3708 rc->itr_setting = coalesce_usecs; 3709 /* write the change to the register */ 3710 ice_write_itr(rc, coalesce_usecs); 3711 /* force writes to take effect immediately, the flush shouldn't 3712 * be done in the functions above because the intent is for 3713 * them to do lazy writes. 3714 */ 3715 ice_flush(&pf->hw); 3716 } 3717 3718 return 0; 3719 } 3720 3721 /** 3722 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3723 * @vsi: VSI associated to the queue that need updating 3724 * @ec: coalesce settings to program the device with 3725 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3726 * 3727 * Return 0 on success, and negative under the following conditions: 3728 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3729 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3730 */ 3731 static int 3732 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3733 { 3734 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3735 if (ice_set_rc_coalesce(ec, 3736 &vsi->rx_rings[q_num]->q_vector->rx, 3737 vsi)) 3738 return -EINVAL; 3739 3740 if (ice_set_rc_coalesce(ec, 3741 &vsi->tx_rings[q_num]->q_vector->tx, 3742 vsi)) 3743 return -EINVAL; 3744 } else if (q_num < vsi->num_rxq) { 3745 if (ice_set_rc_coalesce(ec, 3746 &vsi->rx_rings[q_num]->q_vector->rx, 3747 vsi)) 3748 return -EINVAL; 3749 } else if (q_num < vsi->num_txq) { 3750 if (ice_set_rc_coalesce(ec, 3751 &vsi->tx_rings[q_num]->q_vector->tx, 3752 vsi)) 3753 return -EINVAL; 3754 } else { 3755 return -EINVAL; 3756 } 3757 3758 return 0; 3759 } 3760 3761 /** 3762 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3763 * @netdev: netdev used for print 3764 * @itr_setting: previous user setting 3765 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3766 * @coalesce_usecs: requested value of [tx|rx]-usecs 3767 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3768 */ 3769 static void 3770 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3771 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3772 const char *c_type_str) 3773 { 3774 if (use_adaptive_coalesce) 3775 return; 3776 3777 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3778 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", 3779 c_type_str, coalesce_usecs, c_type_str, 3780 ITR_REG_ALIGN(coalesce_usecs)); 3781 } 3782 3783 /** 3784 * __ice_set_coalesce - set ITR/INTRL values for the device 3785 * @netdev: pointer to the netdev associated with this query 3786 * @ec: ethtool structure to fill with driver's coalesce settings 3787 * @q_num: queue number to get the coalesce settings for 3788 * 3789 * If the caller passes in a negative q_num then we set the coalesce settings 3790 * for all Tx/Rx queues, else use the actual q_num passed in. 3791 */ 3792 static int 3793 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3794 int q_num) 3795 { 3796 struct ice_netdev_priv *np = netdev_priv(netdev); 3797 struct ice_vsi *vsi = np->vsi; 3798 3799 if (q_num < 0) { 3800 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3801 int v_idx; 3802 3803 if (q_vector) { 3804 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3805 ec->use_adaptive_rx_coalesce, 3806 ec->rx_coalesce_usecs, "rx"); 3807 3808 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3809 ec->use_adaptive_tx_coalesce, 3810 ec->tx_coalesce_usecs, "tx"); 3811 } 3812 3813 ice_for_each_q_vector(vsi, v_idx) { 3814 /* In some cases if DCB is configured the num_[rx|tx]q 3815 * can be less than vsi->num_q_vectors. This check 3816 * accounts for that so we don't report a false failure 3817 */ 3818 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3819 goto set_complete; 3820 3821 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3822 return -EINVAL; 3823 3824 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]); 3825 } 3826 goto set_complete; 3827 } 3828 3829 if (ice_set_q_coalesce(vsi, ec, q_num)) 3830 return -EINVAL; 3831 3832 ice_set_q_vector_intrl(vsi->q_vectors[q_num]); 3833 3834 set_complete: 3835 return 0; 3836 } 3837 3838 static int ice_set_coalesce(struct net_device *netdev, 3839 struct ethtool_coalesce *ec, 3840 struct kernel_ethtool_coalesce *kernel_coal, 3841 struct netlink_ext_ack *extack) 3842 { 3843 return __ice_set_coalesce(netdev, ec, -1); 3844 } 3845 3846 static int 3847 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3848 struct ethtool_coalesce *ec) 3849 { 3850 return __ice_set_coalesce(netdev, ec, q_num); 3851 } 3852 3853 static void 3854 ice_repr_get_drvinfo(struct net_device *netdev, 3855 struct ethtool_drvinfo *drvinfo) 3856 { 3857 struct ice_repr *repr = ice_netdev_to_repr(netdev); 3858 3859 if (ice_check_vf_ready_for_cfg(repr->vf)) 3860 return; 3861 3862 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi); 3863 } 3864 3865 static void 3866 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 3867 { 3868 struct ice_repr *repr = ice_netdev_to_repr(netdev); 3869 3870 /* for port representors only ETH_SS_STATS is supported */ 3871 if (ice_check_vf_ready_for_cfg(repr->vf) || 3872 stringset != ETH_SS_STATS) 3873 return; 3874 3875 __ice_get_strings(netdev, stringset, data, repr->src_vsi); 3876 } 3877 3878 static void 3879 ice_repr_get_ethtool_stats(struct net_device *netdev, 3880 struct ethtool_stats __always_unused *stats, 3881 u64 *data) 3882 { 3883 struct ice_repr *repr = ice_netdev_to_repr(netdev); 3884 3885 if (ice_check_vf_ready_for_cfg(repr->vf)) 3886 return; 3887 3888 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi); 3889 } 3890 3891 static int ice_repr_get_sset_count(struct net_device *netdev, int sset) 3892 { 3893 switch (sset) { 3894 case ETH_SS_STATS: 3895 return ICE_VSI_STATS_LEN; 3896 default: 3897 return -EOPNOTSUPP; 3898 } 3899 } 3900 3901 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 3902 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 3903 #define ICE_MODULE_TYPE_SFP 0x03 3904 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 3905 #define ICE_MODULE_TYPE_QSFP28 0x11 3906 #define ICE_MODULE_SFF_ADDR_MODE 0x04 3907 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 3908 #define ICE_MODULE_REVISION_ADDR 0x01 3909 #define ICE_MODULE_SFF_8472_COMP 0x5E 3910 #define ICE_MODULE_SFF_8472_SWAP 0x5C 3911 #define ICE_MODULE_QSFP_MAX_LEN 640 3912 3913 /** 3914 * ice_get_module_info - get SFF module type and revision information 3915 * @netdev: network interface device structure 3916 * @modinfo: module EEPROM size and layout information structure 3917 */ 3918 static int 3919 ice_get_module_info(struct net_device *netdev, 3920 struct ethtool_modinfo *modinfo) 3921 { 3922 struct ice_netdev_priv *np = netdev_priv(netdev); 3923 struct ice_vsi *vsi = np->vsi; 3924 struct ice_pf *pf = vsi->back; 3925 struct ice_hw *hw = &pf->hw; 3926 enum ice_status status; 3927 u8 sff8472_comp = 0; 3928 u8 sff8472_swap = 0; 3929 u8 sff8636_rev = 0; 3930 u8 value = 0; 3931 3932 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 3933 0, &value, 1, 0, NULL); 3934 if (status) 3935 return -EIO; 3936 3937 switch (value) { 3938 case ICE_MODULE_TYPE_SFP: 3939 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3940 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 3941 &sff8472_comp, 1, 0, NULL); 3942 if (status) 3943 return -EIO; 3944 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3945 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 3946 &sff8472_swap, 1, 0, NULL); 3947 if (status) 3948 return -EIO; 3949 3950 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 3951 modinfo->type = ETH_MODULE_SFF_8079; 3952 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3953 } else if (sff8472_comp && 3954 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 3955 modinfo->type = ETH_MODULE_SFF_8472; 3956 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 3957 } else { 3958 modinfo->type = ETH_MODULE_SFF_8079; 3959 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3960 } 3961 break; 3962 case ICE_MODULE_TYPE_QSFP_PLUS: 3963 case ICE_MODULE_TYPE_QSFP28: 3964 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3965 ICE_MODULE_REVISION_ADDR, 0x00, 0, 3966 &sff8636_rev, 1, 0, NULL); 3967 if (status) 3968 return -EIO; 3969 /* Check revision compliance */ 3970 if (sff8636_rev > 0x02) { 3971 /* Module is SFF-8636 compliant */ 3972 modinfo->type = ETH_MODULE_SFF_8636; 3973 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3974 } else { 3975 modinfo->type = ETH_MODULE_SFF_8436; 3976 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3977 } 3978 break; 3979 default: 3980 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 3981 return -EINVAL; 3982 } 3983 return 0; 3984 } 3985 3986 /** 3987 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 3988 * @netdev: network interface device structure 3989 * @ee: EEPROM dump request structure 3990 * @data: buffer to be filled with EEPROM contents 3991 */ 3992 static int 3993 ice_get_module_eeprom(struct net_device *netdev, 3994 struct ethtool_eeprom *ee, u8 *data) 3995 { 3996 struct ice_netdev_priv *np = netdev_priv(netdev); 3997 #define SFF_READ_BLOCK_SIZE 8 3998 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 3999 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 4000 struct ice_vsi *vsi = np->vsi; 4001 struct ice_pf *pf = vsi->back; 4002 struct ice_hw *hw = &pf->hw; 4003 enum ice_status status; 4004 bool is_sfp = false; 4005 unsigned int i, j; 4006 u16 offset = 0; 4007 u8 page = 0; 4008 4009 if (!ee || !ee->len || !data) 4010 return -EINVAL; 4011 4012 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 4013 NULL); 4014 if (status) 4015 return -EIO; 4016 4017 if (value[0] == ICE_MODULE_TYPE_SFP) 4018 is_sfp = true; 4019 4020 memset(data, 0, ee->len); 4021 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 4022 offset = i + ee->offset; 4023 page = 0; 4024 4025 /* Check if we need to access the other memory page */ 4026 if (is_sfp) { 4027 if (offset >= ETH_MODULE_SFF_8079_LEN) { 4028 offset -= ETH_MODULE_SFF_8079_LEN; 4029 addr = ICE_I2C_EEPROM_DEV_ADDR2; 4030 } 4031 } else { 4032 while (offset >= ETH_MODULE_SFF_8436_LEN) { 4033 /* Compute memory page number and offset. */ 4034 offset -= ETH_MODULE_SFF_8436_LEN / 2; 4035 page++; 4036 } 4037 } 4038 4039 /* Bit 2 of EEPROM address 0x02 declares upper 4040 * pages are disabled on QSFP modules. 4041 * SFP modules only ever use page 0. 4042 */ 4043 if (page == 0 || !(data[0x2] & 0x4)) { 4044 /* If i2c bus is busy due to slow page change or 4045 * link management access, call can fail. This is normal. 4046 * So we retry this a few times. 4047 */ 4048 for (j = 0; j < 4; j++) { 4049 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 4050 !is_sfp, value, 4051 SFF_READ_BLOCK_SIZE, 4052 0, NULL); 4053 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n", 4054 addr, offset, page, is_sfp, 4055 value[0], value[1], value[2], value[3], 4056 value[4], value[5], value[6], value[7], 4057 status); 4058 if (status) { 4059 usleep_range(1500, 2500); 4060 memset(value, 0, SFF_READ_BLOCK_SIZE); 4061 continue; 4062 } 4063 break; 4064 } 4065 4066 /* Make sure we have enough room for the new block */ 4067 if ((i + SFF_READ_BLOCK_SIZE) < ee->len) 4068 memcpy(data + i, value, SFF_READ_BLOCK_SIZE); 4069 } 4070 } 4071 return 0; 4072 } 4073 4074 static const struct ethtool_ops ice_ethtool_ops = { 4075 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 4076 ETHTOOL_COALESCE_USE_ADAPTIVE | 4077 ETHTOOL_COALESCE_RX_USECS_HIGH, 4078 .get_link_ksettings = ice_get_link_ksettings, 4079 .set_link_ksettings = ice_set_link_ksettings, 4080 .get_drvinfo = ice_get_drvinfo, 4081 .get_regs_len = ice_get_regs_len, 4082 .get_regs = ice_get_regs, 4083 .get_wol = ice_get_wol, 4084 .set_wol = ice_set_wol, 4085 .get_msglevel = ice_get_msglevel, 4086 .set_msglevel = ice_set_msglevel, 4087 .self_test = ice_self_test, 4088 .get_link = ethtool_op_get_link, 4089 .get_eeprom_len = ice_get_eeprom_len, 4090 .get_eeprom = ice_get_eeprom, 4091 .get_coalesce = ice_get_coalesce, 4092 .set_coalesce = ice_set_coalesce, 4093 .get_strings = ice_get_strings, 4094 .set_phys_id = ice_set_phys_id, 4095 .get_ethtool_stats = ice_get_ethtool_stats, 4096 .get_priv_flags = ice_get_priv_flags, 4097 .set_priv_flags = ice_set_priv_flags, 4098 .get_sset_count = ice_get_sset_count, 4099 .get_rxnfc = ice_get_rxnfc, 4100 .set_rxnfc = ice_set_rxnfc, 4101 .get_ringparam = ice_get_ringparam, 4102 .set_ringparam = ice_set_ringparam, 4103 .nway_reset = ice_nway_reset, 4104 .get_pauseparam = ice_get_pauseparam, 4105 .set_pauseparam = ice_set_pauseparam, 4106 .get_rxfh_key_size = ice_get_rxfh_key_size, 4107 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4108 .get_rxfh = ice_get_rxfh, 4109 .set_rxfh = ice_set_rxfh, 4110 .get_channels = ice_get_channels, 4111 .set_channels = ice_set_channels, 4112 .get_ts_info = ice_get_ts_info, 4113 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4114 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4115 .get_fecparam = ice_get_fecparam, 4116 .set_fecparam = ice_set_fecparam, 4117 .get_module_info = ice_get_module_info, 4118 .get_module_eeprom = ice_get_module_eeprom, 4119 }; 4120 4121 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4122 .get_link_ksettings = ice_get_link_ksettings, 4123 .set_link_ksettings = ice_set_link_ksettings, 4124 .get_drvinfo = ice_get_drvinfo, 4125 .get_regs_len = ice_get_regs_len, 4126 .get_regs = ice_get_regs, 4127 .get_wol = ice_get_wol, 4128 .set_wol = ice_set_wol, 4129 .get_msglevel = ice_get_msglevel, 4130 .set_msglevel = ice_set_msglevel, 4131 .get_link = ethtool_op_get_link, 4132 .get_eeprom_len = ice_get_eeprom_len, 4133 .get_eeprom = ice_get_eeprom, 4134 .get_strings = ice_get_strings, 4135 .get_ethtool_stats = ice_get_ethtool_stats, 4136 .get_sset_count = ice_get_sset_count, 4137 .get_ringparam = ice_get_ringparam, 4138 .set_ringparam = ice_set_ringparam, 4139 .nway_reset = ice_nway_reset, 4140 .get_channels = ice_get_channels, 4141 }; 4142 4143 /** 4144 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4145 * @netdev: network interface device structure 4146 */ 4147 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4148 { 4149 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4150 } 4151 4152 static const struct ethtool_ops ice_ethtool_repr_ops = { 4153 .get_drvinfo = ice_repr_get_drvinfo, 4154 .get_link = ethtool_op_get_link, 4155 .get_strings = ice_repr_get_strings, 4156 .get_ethtool_stats = ice_repr_get_ethtool_stats, 4157 .get_sset_count = ice_repr_get_sset_count, 4158 }; 4159 4160 /** 4161 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops 4162 * @netdev: network interface device structure 4163 */ 4164 void ice_set_ethtool_repr_ops(struct net_device *netdev) 4165 { 4166 netdev->ethtool_ops = &ice_ethtool_repr_ops; 4167 } 4168 4169 /** 4170 * ice_set_ethtool_ops - setup netdev ethtool ops 4171 * @netdev: network interface device structure 4172 * 4173 * setup netdev ethtool ops with ice specific ops 4174 */ 4175 void ice_set_ethtool_ops(struct net_device *netdev) 4176 { 4177 netdev->ethtool_ops = &ice_ethtool_ops; 4178 } 4179