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