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