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 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 195 sizeof(drvinfo->bus_info)); 196 } 197 198 static void 199 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 200 { 201 struct ice_netdev_priv *np = netdev_priv(netdev); 202 203 __ice_get_drvinfo(netdev, drvinfo, np->vsi); 204 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 205 } 206 207 static int ice_get_regs_len(struct net_device __always_unused *netdev) 208 { 209 return sizeof(ice_regs_dump_list); 210 } 211 212 static void 213 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 214 { 215 struct ice_netdev_priv *np = netdev_priv(netdev); 216 struct ice_pf *pf = np->vsi->back; 217 struct ice_hw *hw = &pf->hw; 218 u32 *regs_buf = (u32 *)p; 219 unsigned int i; 220 221 regs->version = 1; 222 223 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 224 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 225 } 226 227 static u32 ice_get_msglevel(struct net_device *netdev) 228 { 229 struct ice_netdev_priv *np = netdev_priv(netdev); 230 struct ice_pf *pf = np->vsi->back; 231 232 #ifndef CONFIG_DYNAMIC_DEBUG 233 if (pf->hw.debug_mask) 234 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 235 pf->hw.debug_mask); 236 #endif /* !CONFIG_DYNAMIC_DEBUG */ 237 238 return pf->msg_enable; 239 } 240 241 static void ice_set_msglevel(struct net_device *netdev, u32 data) 242 { 243 struct ice_netdev_priv *np = netdev_priv(netdev); 244 struct ice_pf *pf = np->vsi->back; 245 246 #ifndef CONFIG_DYNAMIC_DEBUG 247 if (ICE_DBG_USER & data) 248 pf->hw.debug_mask = data; 249 else 250 pf->msg_enable = data; 251 #else 252 pf->msg_enable = data; 253 #endif /* !CONFIG_DYNAMIC_DEBUG */ 254 } 255 256 static int ice_get_eeprom_len(struct net_device *netdev) 257 { 258 struct ice_netdev_priv *np = netdev_priv(netdev); 259 struct ice_pf *pf = np->vsi->back; 260 261 return (int)pf->hw.flash.flash_size; 262 } 263 264 static int 265 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 266 u8 *bytes) 267 { 268 struct ice_netdev_priv *np = netdev_priv(netdev); 269 struct ice_vsi *vsi = np->vsi; 270 struct ice_pf *pf = vsi->back; 271 struct ice_hw *hw = &pf->hw; 272 struct device *dev; 273 int ret; 274 u8 *buf; 275 276 dev = ice_pf_to_dev(pf); 277 278 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 279 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 280 eeprom->cmd, eeprom->offset, eeprom->len); 281 282 buf = kzalloc(eeprom->len, GFP_KERNEL); 283 if (!buf) 284 return -ENOMEM; 285 286 ret = ice_acquire_nvm(hw, ICE_RES_READ); 287 if (ret) { 288 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n", 289 ret, ice_aq_str(hw->adminq.sq_last_status)); 290 goto out; 291 } 292 293 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 294 false); 295 if (ret) { 296 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n", 297 ret, ice_aq_str(hw->adminq.sq_last_status)); 298 goto release; 299 } 300 301 memcpy(bytes, buf, eeprom->len); 302 release: 303 ice_release_nvm(hw); 304 out: 305 kfree(buf); 306 return ret; 307 } 308 309 /** 310 * ice_active_vfs - check if there are any active VFs 311 * @pf: board private structure 312 * 313 * Returns true if an active VF is found, otherwise returns false 314 */ 315 static bool ice_active_vfs(struct ice_pf *pf) 316 { 317 bool active = false; 318 struct ice_vf *vf; 319 unsigned int bkt; 320 321 rcu_read_lock(); 322 ice_for_each_vf_rcu(pf, bkt, vf) { 323 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 324 active = true; 325 break; 326 } 327 } 328 rcu_read_unlock(); 329 330 return active; 331 } 332 333 /** 334 * ice_link_test - perform a link test on a given net_device 335 * @netdev: network interface device structure 336 * 337 * This function performs one of the self-tests required by ethtool. 338 * Returns 0 on success, non-zero on failure. 339 */ 340 static u64 ice_link_test(struct net_device *netdev) 341 { 342 struct ice_netdev_priv *np = netdev_priv(netdev); 343 bool link_up = false; 344 int status; 345 346 netdev_info(netdev, "link test\n"); 347 status = ice_get_link_status(np->vsi->port_info, &link_up); 348 if (status) { 349 netdev_err(netdev, "link query error, status = %d\n", 350 status); 351 return 1; 352 } 353 354 if (!link_up) 355 return 2; 356 357 return 0; 358 } 359 360 /** 361 * ice_eeprom_test - perform an EEPROM test on a given net_device 362 * @netdev: network interface device structure 363 * 364 * This function performs one of the self-tests required by ethtool. 365 * Returns 0 on success, non-zero on failure. 366 */ 367 static u64 ice_eeprom_test(struct net_device *netdev) 368 { 369 struct ice_netdev_priv *np = netdev_priv(netdev); 370 struct ice_pf *pf = np->vsi->back; 371 372 netdev_info(netdev, "EEPROM test\n"); 373 return !!(ice_nvm_validate_checksum(&pf->hw)); 374 } 375 376 /** 377 * ice_reg_pattern_test 378 * @hw: pointer to the HW struct 379 * @reg: reg to be tested 380 * @mask: bits to be touched 381 */ 382 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 383 { 384 struct ice_pf *pf = (struct ice_pf *)hw->back; 385 struct device *dev = ice_pf_to_dev(pf); 386 static const u32 patterns[] = { 387 0x5A5A5A5A, 0xA5A5A5A5, 388 0x00000000, 0xFFFFFFFF 389 }; 390 u32 val, orig_val; 391 unsigned int i; 392 393 orig_val = rd32(hw, reg); 394 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 395 u32 pattern = patterns[i] & mask; 396 397 wr32(hw, reg, pattern); 398 val = rd32(hw, reg); 399 if (val == pattern) 400 continue; 401 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 402 , __func__, reg, pattern, val); 403 return 1; 404 } 405 406 wr32(hw, reg, orig_val); 407 val = rd32(hw, reg); 408 if (val != orig_val) { 409 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 410 , __func__, reg, orig_val, val); 411 return 1; 412 } 413 414 return 0; 415 } 416 417 /** 418 * ice_reg_test - perform a register test on a given net_device 419 * @netdev: network interface device structure 420 * 421 * This function performs one of the self-tests required by ethtool. 422 * Returns 0 on success, non-zero on failure. 423 */ 424 static u64 ice_reg_test(struct net_device *netdev) 425 { 426 struct ice_netdev_priv *np = netdev_priv(netdev); 427 struct ice_hw *hw = np->vsi->port_info->hw; 428 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 429 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 430 struct ice_diag_reg_test_info { 431 u32 address; 432 u32 mask; 433 u32 elem_num; 434 u32 elem_size; 435 } ice_reg_list[] = { 436 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 437 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 438 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 439 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 440 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 441 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 442 {GLINT_CTL, 0xffff0001, 1, 0} 443 }; 444 unsigned int i; 445 446 netdev_dbg(netdev, "Register test\n"); 447 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 448 u32 j; 449 450 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 451 u32 mask = ice_reg_list[i].mask; 452 u32 reg = ice_reg_list[i].address + 453 (j * ice_reg_list[i].elem_size); 454 455 /* bail on failure (non-zero return) */ 456 if (ice_reg_pattern_test(hw, reg, mask)) 457 return 1; 458 } 459 } 460 461 return 0; 462 } 463 464 /** 465 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 466 * @vsi: pointer to the VSI structure 467 * 468 * Function configures rings of a VSI for loopback test without 469 * enabling interrupts or informing the kernel about new queues. 470 * 471 * Returns 0 on success, negative on failure. 472 */ 473 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 474 { 475 int status; 476 477 status = ice_vsi_setup_tx_rings(vsi); 478 if (status) 479 goto err_setup_tx_ring; 480 481 status = ice_vsi_setup_rx_rings(vsi); 482 if (status) 483 goto err_setup_rx_ring; 484 485 status = ice_vsi_cfg(vsi); 486 if (status) 487 goto err_setup_rx_ring; 488 489 status = ice_vsi_start_all_rx_rings(vsi); 490 if (status) 491 goto err_start_rx_ring; 492 493 return status; 494 495 err_start_rx_ring: 496 ice_vsi_free_rx_rings(vsi); 497 err_setup_rx_ring: 498 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 499 err_setup_tx_ring: 500 ice_vsi_free_tx_rings(vsi); 501 502 return status; 503 } 504 505 /** 506 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 507 * @vsi: pointer to the VSI structure 508 * 509 * Function stops and frees VSI rings after a loopback test. 510 * Returns 0 on success, negative on failure. 511 */ 512 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 513 { 514 int status; 515 516 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 517 if (status) 518 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 519 vsi->vsi_num, status); 520 521 status = ice_vsi_stop_all_rx_rings(vsi); 522 if (status) 523 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 524 vsi->vsi_num, status); 525 526 ice_vsi_free_tx_rings(vsi); 527 ice_vsi_free_rx_rings(vsi); 528 529 return status; 530 } 531 532 /** 533 * ice_lbtest_create_frame - create test packet 534 * @pf: pointer to the PF structure 535 * @ret_data: allocated frame buffer 536 * @size: size of the packet data 537 * 538 * Function allocates a frame with a test pattern on specific offsets. 539 * Returns 0 on success, non-zero on failure. 540 */ 541 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 542 { 543 u8 *data; 544 545 if (!pf) 546 return -EINVAL; 547 548 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); 549 if (!data) 550 return -ENOMEM; 551 552 /* Since the ethernet test frame should always be at least 553 * 64 bytes long, fill some octets in the payload with test data. 554 */ 555 memset(data, 0xFF, size); 556 data[32] = 0xDE; 557 data[42] = 0xAD; 558 data[44] = 0xBE; 559 data[46] = 0xEF; 560 561 *ret_data = data; 562 563 return 0; 564 } 565 566 /** 567 * ice_lbtest_check_frame - verify received loopback frame 568 * @frame: pointer to the raw packet data 569 * 570 * Function verifies received test frame with a pattern. 571 * Returns true if frame matches the pattern, false otherwise. 572 */ 573 static bool ice_lbtest_check_frame(u8 *frame) 574 { 575 /* Validate bytes of a frame under offsets chosen earlier */ 576 if (frame[32] == 0xDE && 577 frame[42] == 0xAD && 578 frame[44] == 0xBE && 579 frame[46] == 0xEF && 580 frame[48] == 0xFF) 581 return true; 582 583 return false; 584 } 585 586 /** 587 * ice_diag_send - send test frames to the test ring 588 * @tx_ring: pointer to the transmit ring 589 * @data: pointer to the raw packet data 590 * @size: size of the packet to send 591 * 592 * Function sends loopback packets on a test Tx ring. 593 */ 594 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size) 595 { 596 struct ice_tx_desc *tx_desc; 597 struct ice_tx_buf *tx_buf; 598 dma_addr_t dma; 599 u64 td_cmd; 600 601 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 602 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 603 604 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 605 if (dma_mapping_error(tx_ring->dev, dma)) 606 return -EINVAL; 607 608 tx_desc->buf_addr = cpu_to_le64(dma); 609 610 /* These flags are required for a descriptor to be pushed out */ 611 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 612 tx_desc->cmd_type_offset_bsz = 613 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 614 (td_cmd << ICE_TXD_QW1_CMD_S) | 615 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 616 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 617 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 618 619 tx_buf->next_to_watch = tx_desc; 620 621 /* Force memory write to complete before letting h/w know 622 * there are new descriptors to fetch. 623 */ 624 wmb(); 625 626 tx_ring->next_to_use++; 627 if (tx_ring->next_to_use >= tx_ring->count) 628 tx_ring->next_to_use = 0; 629 630 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 631 632 /* Wait until the packets get transmitted to the receive queue. */ 633 usleep_range(1000, 2000); 634 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 635 636 return 0; 637 } 638 639 #define ICE_LB_FRAME_SIZE 64 640 /** 641 * ice_lbtest_receive_frames - receive and verify test frames 642 * @rx_ring: pointer to the receive ring 643 * 644 * Function receives loopback packets and verify their correctness. 645 * Returns number of received valid frames. 646 */ 647 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring) 648 { 649 struct ice_rx_buf *rx_buf; 650 int valid_frames, i; 651 u8 *received_buf; 652 653 valid_frames = 0; 654 655 for (i = 0; i < rx_ring->count; i++) { 656 union ice_32b_rx_flex_desc *rx_desc; 657 658 rx_desc = ICE_RX_DESC(rx_ring, i); 659 660 if (!(rx_desc->wb.status_error0 & 661 cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS))) 662 continue; 663 664 rx_buf = &rx_ring->rx_buf[i]; 665 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 666 667 if (ice_lbtest_check_frame(received_buf)) 668 valid_frames++; 669 } 670 671 return valid_frames; 672 } 673 674 /** 675 * ice_loopback_test - perform a loopback test on a given net_device 676 * @netdev: network interface device structure 677 * 678 * This function performs one of the self-tests required by ethtool. 679 * Returns 0 on success, non-zero on failure. 680 */ 681 static u64 ice_loopback_test(struct net_device *netdev) 682 { 683 struct ice_netdev_priv *np = netdev_priv(netdev); 684 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 685 struct ice_pf *pf = orig_vsi->back; 686 u8 broadcast[ETH_ALEN], ret = 0; 687 int num_frames, valid_frames; 688 struct ice_tx_ring *tx_ring; 689 struct ice_rx_ring *rx_ring; 690 struct device *dev; 691 u8 *tx_frame; 692 int i; 693 694 dev = ice_pf_to_dev(pf); 695 netdev_info(netdev, "loopback test\n"); 696 697 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 698 if (!test_vsi) { 699 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 700 return 1; 701 } 702 703 test_vsi->netdev = netdev; 704 tx_ring = test_vsi->tx_rings[0]; 705 rx_ring = test_vsi->rx_rings[0]; 706 707 if (ice_lbtest_prepare_rings(test_vsi)) { 708 ret = 2; 709 goto lbtest_vsi_close; 710 } 711 712 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 713 ret = 3; 714 goto lbtest_rings_dis; 715 } 716 717 /* Enable MAC loopback in firmware */ 718 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 719 ret = 4; 720 goto lbtest_mac_dis; 721 } 722 723 /* Test VSI needs to receive broadcast packets */ 724 eth_broadcast_addr(broadcast); 725 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 726 ret = 5; 727 goto lbtest_mac_dis; 728 } 729 730 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 731 ret = 7; 732 goto remove_mac_filters; 733 } 734 735 num_frames = min_t(int, tx_ring->count, 32); 736 for (i = 0; i < num_frames; i++) { 737 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 738 ret = 8; 739 goto lbtest_free_frame; 740 } 741 } 742 743 valid_frames = ice_lbtest_receive_frames(rx_ring); 744 if (!valid_frames) 745 ret = 9; 746 else if (valid_frames != num_frames) 747 ret = 10; 748 749 lbtest_free_frame: 750 devm_kfree(dev, tx_frame); 751 remove_mac_filters: 752 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 753 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 754 lbtest_mac_dis: 755 /* Disable MAC loopback after the test is completed. */ 756 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 757 netdev_err(netdev, "Could not disable MAC loopback\n"); 758 lbtest_rings_dis: 759 if (ice_lbtest_disable_rings(test_vsi)) 760 netdev_err(netdev, "Could not disable test rings\n"); 761 lbtest_vsi_close: 762 test_vsi->netdev = NULL; 763 if (ice_vsi_release(test_vsi)) 764 netdev_err(netdev, "Failed to remove the test VSI\n"); 765 766 return ret; 767 } 768 769 /** 770 * ice_intr_test - perform an interrupt test on a given net_device 771 * @netdev: network interface device structure 772 * 773 * This function performs one of the self-tests required by ethtool. 774 * Returns 0 on success, non-zero on failure. 775 */ 776 static u64 ice_intr_test(struct net_device *netdev) 777 { 778 struct ice_netdev_priv *np = netdev_priv(netdev); 779 struct ice_pf *pf = np->vsi->back; 780 u16 swic_old = pf->sw_int_count; 781 782 netdev_info(netdev, "interrupt test\n"); 783 784 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 785 GLINT_DYN_CTL_SW_ITR_INDX_M | 786 GLINT_DYN_CTL_INTENA_MSK_M | 787 GLINT_DYN_CTL_SWINT_TRIG_M); 788 789 usleep_range(1000, 2000); 790 return (swic_old == pf->sw_int_count); 791 } 792 793 /** 794 * ice_self_test - handler function for performing a self-test by ethtool 795 * @netdev: network interface device structure 796 * @eth_test: ethtool_test structure 797 * @data: required by ethtool.self_test 798 * 799 * This function is called after invoking 'ethtool -t devname' command where 800 * devname is the name of the network device on which ethtool should operate. 801 * It performs a set of self-tests to check if a device works properly. 802 */ 803 static void 804 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 805 u64 *data) 806 { 807 struct ice_netdev_priv *np = netdev_priv(netdev); 808 bool if_running = netif_running(netdev); 809 struct ice_pf *pf = np->vsi->back; 810 struct device *dev; 811 812 dev = ice_pf_to_dev(pf); 813 814 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 815 netdev_info(netdev, "offline testing starting\n"); 816 817 set_bit(ICE_TESTING, pf->state); 818 819 if (ice_active_vfs(pf)) { 820 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 821 data[ICE_ETH_TEST_REG] = 1; 822 data[ICE_ETH_TEST_EEPROM] = 1; 823 data[ICE_ETH_TEST_INTR] = 1; 824 data[ICE_ETH_TEST_LOOP] = 1; 825 data[ICE_ETH_TEST_LINK] = 1; 826 eth_test->flags |= ETH_TEST_FL_FAILED; 827 clear_bit(ICE_TESTING, pf->state); 828 goto skip_ol_tests; 829 } 830 /* If the device is online then take it offline */ 831 if (if_running) 832 /* indicate we're in test mode */ 833 ice_stop(netdev); 834 835 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 836 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 837 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 838 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 839 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 840 841 if (data[ICE_ETH_TEST_LINK] || 842 data[ICE_ETH_TEST_EEPROM] || 843 data[ICE_ETH_TEST_LOOP] || 844 data[ICE_ETH_TEST_INTR] || 845 data[ICE_ETH_TEST_REG]) 846 eth_test->flags |= ETH_TEST_FL_FAILED; 847 848 clear_bit(ICE_TESTING, pf->state); 849 850 if (if_running) { 851 int status = ice_open(netdev); 852 853 if (status) { 854 dev_err(dev, "Could not open device %s, err %d\n", 855 pf->int_name, status); 856 } 857 } 858 } else { 859 /* Online tests */ 860 netdev_info(netdev, "online testing starting\n"); 861 862 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 863 if (data[ICE_ETH_TEST_LINK]) 864 eth_test->flags |= ETH_TEST_FL_FAILED; 865 866 /* Offline only tests, not run in online; pass by default */ 867 data[ICE_ETH_TEST_REG] = 0; 868 data[ICE_ETH_TEST_EEPROM] = 0; 869 data[ICE_ETH_TEST_INTR] = 0; 870 data[ICE_ETH_TEST_LOOP] = 0; 871 } 872 873 skip_ol_tests: 874 netdev_info(netdev, "testing finished\n"); 875 } 876 877 static void 878 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data, 879 struct ice_vsi *vsi) 880 { 881 unsigned int i; 882 u8 *p = data; 883 884 switch (stringset) { 885 case ETH_SS_STATS: 886 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 887 ethtool_sprintf(&p, 888 ice_gstrings_vsi_stats[i].stat_string); 889 890 if (ice_is_port_repr_netdev(netdev)) 891 return; 892 893 ice_for_each_alloc_txq(vsi, i) { 894 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 895 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 896 } 897 898 ice_for_each_alloc_rxq(vsi, i) { 899 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 900 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 901 } 902 903 if (vsi->type != ICE_VSI_PF) 904 return; 905 906 for (i = 0; i < ICE_PF_STATS_LEN; i++) 907 ethtool_sprintf(&p, 908 ice_gstrings_pf_stats[i].stat_string); 909 910 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 911 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 912 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 913 } 914 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 915 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 916 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 917 } 918 break; 919 case ETH_SS_TEST: 920 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 921 break; 922 case ETH_SS_PRIV_FLAGS: 923 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 924 ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name); 925 break; 926 default: 927 break; 928 } 929 } 930 931 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 932 { 933 struct ice_netdev_priv *np = netdev_priv(netdev); 934 935 __ice_get_strings(netdev, stringset, data, np->vsi); 936 } 937 938 static int 939 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 940 { 941 struct ice_netdev_priv *np = netdev_priv(netdev); 942 bool led_active; 943 944 switch (state) { 945 case ETHTOOL_ID_ACTIVE: 946 led_active = true; 947 break; 948 case ETHTOOL_ID_INACTIVE: 949 led_active = false; 950 break; 951 default: 952 return -EINVAL; 953 } 954 955 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 956 return -EIO; 957 958 return 0; 959 } 960 961 /** 962 * ice_set_fec_cfg - Set link FEC options 963 * @netdev: network interface device structure 964 * @req_fec: FEC mode to configure 965 */ 966 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 967 { 968 struct ice_netdev_priv *np = netdev_priv(netdev); 969 struct ice_aqc_set_phy_cfg_data config = { 0 }; 970 struct ice_vsi *vsi = np->vsi; 971 struct ice_port_info *pi; 972 973 pi = vsi->port_info; 974 if (!pi) 975 return -EOPNOTSUPP; 976 977 /* Changing the FEC parameters is not supported if not the PF VSI */ 978 if (vsi->type != ICE_VSI_PF) { 979 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 980 return -EOPNOTSUPP; 981 } 982 983 /* Proceed only if requesting different FEC mode */ 984 if (pi->phy.curr_user_fec_req == req_fec) 985 return 0; 986 987 /* Copy the current user PHY configuration. The current user PHY 988 * configuration is initialized during probe from PHY capabilities 989 * software mode, and updated on set PHY configuration. 990 */ 991 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 992 993 ice_cfg_phy_fec(pi, &config, req_fec); 994 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 995 996 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 997 return -EAGAIN; 998 999 /* Save requested FEC config */ 1000 pi->phy.curr_user_fec_req = req_fec; 1001 1002 return 0; 1003 } 1004 1005 /** 1006 * ice_set_fecparam - Set FEC link options 1007 * @netdev: network interface device structure 1008 * @fecparam: Ethtool structure to retrieve FEC parameters 1009 */ 1010 static int 1011 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1012 { 1013 struct ice_netdev_priv *np = netdev_priv(netdev); 1014 struct ice_vsi *vsi = np->vsi; 1015 enum ice_fec_mode fec; 1016 1017 switch (fecparam->fec) { 1018 case ETHTOOL_FEC_AUTO: 1019 fec = ICE_FEC_AUTO; 1020 break; 1021 case ETHTOOL_FEC_RS: 1022 fec = ICE_FEC_RS; 1023 break; 1024 case ETHTOOL_FEC_BASER: 1025 fec = ICE_FEC_BASER; 1026 break; 1027 case ETHTOOL_FEC_OFF: 1028 case ETHTOOL_FEC_NONE: 1029 fec = ICE_FEC_NONE; 1030 break; 1031 default: 1032 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1033 fecparam->fec); 1034 return -EINVAL; 1035 } 1036 1037 return ice_set_fec_cfg(netdev, fec); 1038 } 1039 1040 /** 1041 * ice_get_fecparam - Get link FEC options 1042 * @netdev: network interface device structure 1043 * @fecparam: Ethtool structure to retrieve FEC parameters 1044 */ 1045 static int 1046 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1047 { 1048 struct ice_netdev_priv *np = netdev_priv(netdev); 1049 struct ice_aqc_get_phy_caps_data *caps; 1050 struct ice_link_status *link_info; 1051 struct ice_vsi *vsi = np->vsi; 1052 struct ice_port_info *pi; 1053 int err; 1054 1055 pi = vsi->port_info; 1056 1057 if (!pi) 1058 return -EOPNOTSUPP; 1059 link_info = &pi->phy.link_info; 1060 1061 /* Set FEC mode based on negotiated link info */ 1062 switch (link_info->fec_info) { 1063 case ICE_AQ_LINK_25G_KR_FEC_EN: 1064 fecparam->active_fec = ETHTOOL_FEC_BASER; 1065 break; 1066 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1067 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1068 fecparam->active_fec = ETHTOOL_FEC_RS; 1069 break; 1070 default: 1071 fecparam->active_fec = ETHTOOL_FEC_OFF; 1072 break; 1073 } 1074 1075 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1076 if (!caps) 1077 return -ENOMEM; 1078 1079 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1080 caps, NULL); 1081 if (err) 1082 goto done; 1083 1084 /* Set supported/configured FEC modes based on PHY capability */ 1085 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1086 fecparam->fec |= ETHTOOL_FEC_AUTO; 1087 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1088 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1089 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1090 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1091 fecparam->fec |= ETHTOOL_FEC_BASER; 1092 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1093 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1094 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1095 fecparam->fec |= ETHTOOL_FEC_RS; 1096 if (caps->link_fec_options == 0) 1097 fecparam->fec |= ETHTOOL_FEC_OFF; 1098 1099 done: 1100 kfree(caps); 1101 return err; 1102 } 1103 1104 /** 1105 * ice_nway_reset - restart autonegotiation 1106 * @netdev: network interface device structure 1107 */ 1108 static int ice_nway_reset(struct net_device *netdev) 1109 { 1110 struct ice_netdev_priv *np = netdev_priv(netdev); 1111 struct ice_vsi *vsi = np->vsi; 1112 int err; 1113 1114 /* If VSI state is up, then restart autoneg with link up */ 1115 if (!test_bit(ICE_DOWN, vsi->back->state)) 1116 err = ice_set_link(vsi, true); 1117 else 1118 err = ice_set_link(vsi, false); 1119 1120 return err; 1121 } 1122 1123 /** 1124 * ice_get_priv_flags - report device private flags 1125 * @netdev: network interface device structure 1126 * 1127 * The get string set count and the string set should be matched for each 1128 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1129 * array. 1130 * 1131 * Returns a u32 bitmap of flags. 1132 */ 1133 static u32 ice_get_priv_flags(struct net_device *netdev) 1134 { 1135 struct ice_netdev_priv *np = netdev_priv(netdev); 1136 struct ice_vsi *vsi = np->vsi; 1137 struct ice_pf *pf = vsi->back; 1138 u32 i, ret_flags = 0; 1139 1140 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1141 const struct ice_priv_flag *priv_flag; 1142 1143 priv_flag = &ice_gstrings_priv_flags[i]; 1144 1145 if (test_bit(priv_flag->bitno, pf->flags)) 1146 ret_flags |= BIT(i); 1147 } 1148 1149 return ret_flags; 1150 } 1151 1152 /** 1153 * ice_set_priv_flags - set private flags 1154 * @netdev: network interface device structure 1155 * @flags: bit flags to be set 1156 */ 1157 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1158 { 1159 struct ice_netdev_priv *np = netdev_priv(netdev); 1160 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1161 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1162 struct ice_vsi *vsi = np->vsi; 1163 struct ice_pf *pf = vsi->back; 1164 struct device *dev; 1165 int ret = 0; 1166 u32 i; 1167 1168 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1169 return -EINVAL; 1170 1171 dev = ice_pf_to_dev(pf); 1172 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1173 1174 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1175 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1176 const struct ice_priv_flag *priv_flag; 1177 1178 priv_flag = &ice_gstrings_priv_flags[i]; 1179 1180 if (flags & BIT(i)) 1181 set_bit(priv_flag->bitno, pf->flags); 1182 else 1183 clear_bit(priv_flag->bitno, pf->flags); 1184 } 1185 1186 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1187 1188 /* Do not allow change to link-down-on-close when Total Port Shutdown 1189 * is enabled. 1190 */ 1191 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1192 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1193 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1194 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1195 ret = -EINVAL; 1196 goto ethtool_exit; 1197 } 1198 1199 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1200 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1201 int status; 1202 1203 /* Disable FW LLDP engine */ 1204 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1205 1206 /* If unregistering for LLDP events fails, this is 1207 * not an error state, as there shouldn't be any 1208 * events to respond to. 1209 */ 1210 if (status) 1211 dev_info(dev, "Failed to unreg for LLDP events\n"); 1212 1213 /* The AQ call to stop the FW LLDP agent will generate 1214 * an error if the agent is already stopped. 1215 */ 1216 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1217 if (status) 1218 dev_warn(dev, "Fail to stop LLDP agent\n"); 1219 /* Use case for having the FW LLDP agent stopped 1220 * will likely not need DCB, so failure to init is 1221 * not a concern of ethtool 1222 */ 1223 status = ice_init_pf_dcb(pf, true); 1224 if (status) 1225 dev_warn(dev, "Fail to init DCB\n"); 1226 1227 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1228 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1229 } else { 1230 bool dcbx_agent_status; 1231 int status; 1232 1233 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { 1234 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); 1235 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); 1236 ret = -EOPNOTSUPP; 1237 goto ethtool_exit; 1238 } 1239 1240 /* Remove rule to direct LLDP packets to default VSI. 1241 * The FW LLDP engine will now be consuming them. 1242 */ 1243 ice_cfg_sw_lldp(vsi, false, false); 1244 1245 /* AQ command to start FW LLDP agent will return an 1246 * error if the agent is already started 1247 */ 1248 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1249 if (status) 1250 dev_warn(dev, "Fail to start LLDP Agent\n"); 1251 1252 /* AQ command to start FW DCBX agent will fail if 1253 * the agent is already started 1254 */ 1255 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1256 &dcbx_agent_status, 1257 NULL); 1258 if (status) 1259 dev_dbg(dev, "Failed to start FW DCBX\n"); 1260 1261 dev_info(dev, "FW DCBX agent is %s\n", 1262 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1263 1264 /* Failure to configure MIB change or init DCB is not 1265 * relevant to ethtool. Print notification that 1266 * registration/init failed but do not return error 1267 * state to ethtool 1268 */ 1269 status = ice_init_pf_dcb(pf, true); 1270 if (status) 1271 dev_dbg(dev, "Fail to init DCB\n"); 1272 1273 /* Register for MIB change events */ 1274 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1275 if (status) 1276 dev_dbg(dev, "Fail to enable MIB change events\n"); 1277 1278 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1279 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1280 1281 ice_nway_reset(netdev); 1282 } 1283 } 1284 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1285 /* down and up VSI so that changes of Rx cfg are reflected. */ 1286 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 1287 ice_down(vsi); 1288 ice_up(vsi); 1289 } 1290 } 1291 /* don't allow modification of this flag when a single VF is in 1292 * promiscuous mode because it's not supported 1293 */ 1294 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1295 ice_is_any_vf_in_promisc(pf)) { 1296 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1297 /* toggle bit back to previous state */ 1298 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1299 ret = -EAGAIN; 1300 } 1301 1302 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) && 1303 ice_has_vfs(pf)) { 1304 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n"); 1305 /* toggle bit back to previous state */ 1306 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags); 1307 ret = -EOPNOTSUPP; 1308 } 1309 ethtool_exit: 1310 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1311 return ret; 1312 } 1313 1314 static int ice_get_sset_count(struct net_device *netdev, int sset) 1315 { 1316 switch (sset) { 1317 case ETH_SS_STATS: 1318 /* The number (and order) of strings reported *must* remain 1319 * constant for a given netdevice. This function must not 1320 * report a different number based on run time parameters 1321 * (such as the number of queues in use, or the setting of 1322 * a private ethtool flag). This is due to the nature of the 1323 * ethtool stats API. 1324 * 1325 * Userspace programs such as ethtool must make 3 separate 1326 * ioctl requests, one for size, one for the strings, and 1327 * finally one for the stats. Since these cross into 1328 * userspace, changes to the number or size could result in 1329 * undefined memory access or incorrect string<->value 1330 * correlations for statistics. 1331 * 1332 * Even if it appears to be safe, changes to the size or 1333 * order of strings will suffer from race conditions and are 1334 * not safe. 1335 */ 1336 return ICE_ALL_STATS_LEN(netdev); 1337 case ETH_SS_TEST: 1338 return ICE_TEST_LEN; 1339 case ETH_SS_PRIV_FLAGS: 1340 return ICE_PRIV_FLAG_ARRAY_SIZE; 1341 default: 1342 return -EOPNOTSUPP; 1343 } 1344 } 1345 1346 static void 1347 __ice_get_ethtool_stats(struct net_device *netdev, 1348 struct ethtool_stats __always_unused *stats, u64 *data, 1349 struct ice_vsi *vsi) 1350 { 1351 struct ice_pf *pf = vsi->back; 1352 struct ice_tx_ring *tx_ring; 1353 struct ice_rx_ring *rx_ring; 1354 unsigned int j; 1355 int i = 0; 1356 char *p; 1357 1358 ice_update_pf_stats(pf); 1359 ice_update_vsi_stats(vsi); 1360 1361 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1362 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1363 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1364 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1365 } 1366 1367 if (ice_is_port_repr_netdev(netdev)) 1368 return; 1369 1370 /* populate per queue stats */ 1371 rcu_read_lock(); 1372 1373 ice_for_each_alloc_txq(vsi, j) { 1374 tx_ring = READ_ONCE(vsi->tx_rings[j]); 1375 if (tx_ring) { 1376 data[i++] = tx_ring->stats.pkts; 1377 data[i++] = tx_ring->stats.bytes; 1378 } else { 1379 data[i++] = 0; 1380 data[i++] = 0; 1381 } 1382 } 1383 1384 ice_for_each_alloc_rxq(vsi, j) { 1385 rx_ring = READ_ONCE(vsi->rx_rings[j]); 1386 if (rx_ring) { 1387 data[i++] = rx_ring->stats.pkts; 1388 data[i++] = rx_ring->stats.bytes; 1389 } else { 1390 data[i++] = 0; 1391 data[i++] = 0; 1392 } 1393 } 1394 1395 rcu_read_unlock(); 1396 1397 if (vsi->type != ICE_VSI_PF) 1398 return; 1399 1400 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1401 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1402 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1403 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1404 } 1405 1406 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1407 data[i++] = pf->stats.priority_xon_tx[j]; 1408 data[i++] = pf->stats.priority_xoff_tx[j]; 1409 } 1410 1411 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1412 data[i++] = pf->stats.priority_xon_rx[j]; 1413 data[i++] = pf->stats.priority_xoff_rx[j]; 1414 } 1415 } 1416 1417 static void 1418 ice_get_ethtool_stats(struct net_device *netdev, 1419 struct ethtool_stats __always_unused *stats, u64 *data) 1420 { 1421 struct ice_netdev_priv *np = netdev_priv(netdev); 1422 1423 __ice_get_ethtool_stats(netdev, stats, data, np->vsi); 1424 } 1425 1426 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1427 ICE_PHY_TYPE_LOW_100M_SGMII) 1428 1429 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1430 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1431 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1432 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1433 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1434 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1435 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1436 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1437 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1438 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1439 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1440 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1441 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1442 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1443 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1444 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1445 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1446 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1447 1448 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1449 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1450 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1451 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1452 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1453 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1454 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1455 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1456 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1457 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1458 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1459 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1460 ICE_PHY_TYPE_LOW_100GBASE_DR) 1461 1462 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1463 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1464 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1465 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1466 ICE_PHY_TYPE_HIGH_100G_AUI2) 1467 1468 /** 1469 * ice_mask_min_supported_speeds 1470 * @phy_types_high: PHY type high 1471 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1472 * 1473 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1474 * for ethtool supported link mode. 1475 */ 1476 static 1477 void ice_mask_min_supported_speeds(u64 phy_types_high, u64 *phy_types_low) 1478 { 1479 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1480 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G || 1481 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) 1482 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1483 else 1484 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1485 } 1486 1487 #define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \ 1488 do { \ 1489 if (req_speeds & (aq_link_speed) || \ 1490 (!req_speeds && \ 1491 (advert_phy_type_lo & phy_type_mask_lo || \ 1492 advert_phy_type_hi & phy_type_mask_hi))) \ 1493 ethtool_link_ksettings_add_link_mode(ks, advertising,\ 1494 ethtool_link_mode); \ 1495 } while (0) 1496 1497 /** 1498 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1499 * @netdev: network interface device structure 1500 * @ks: ethtool link ksettings struct to fill out 1501 */ 1502 static void 1503 ice_phy_type_to_ethtool(struct net_device *netdev, 1504 struct ethtool_link_ksettings *ks) 1505 { 1506 struct ice_netdev_priv *np = netdev_priv(netdev); 1507 struct ice_vsi *vsi = np->vsi; 1508 struct ice_pf *pf = vsi->back; 1509 u64 advert_phy_type_lo = 0; 1510 u64 advert_phy_type_hi = 0; 1511 u64 phy_type_mask_lo = 0; 1512 u64 phy_type_mask_hi = 0; 1513 u64 phy_types_high = 0; 1514 u64 phy_types_low = 0; 1515 u16 req_speeds; 1516 1517 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1518 1519 /* Check if lenient mode is supported and enabled, or in strict mode. 1520 * 1521 * In lenient mode the Supported link modes are the PHY types without 1522 * media. The Advertising link mode is either 1. the user requested 1523 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1524 * 1525 * In strict mode Supported link mode are the PHY type with media, 1526 * and Advertising link modes are the media PHY type or the speed 1527 * requested by user. 1528 */ 1529 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1530 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1531 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1532 1533 ice_mask_min_supported_speeds(phy_types_high, &phy_types_low); 1534 /* determine advertised modes based on link override only 1535 * if it's supported and if the FW doesn't abstract the 1536 * driver from having to account for link overrides 1537 */ 1538 if (ice_fw_supports_link_override(&pf->hw) && 1539 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 1540 struct ice_link_default_override_tlv *ldo; 1541 1542 ldo = &pf->link_dflt_override; 1543 /* If override enabled and PHY mask set, then 1544 * Advertising link mode is the intersection of the PHY 1545 * types without media and the override PHY mask. 1546 */ 1547 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1548 (ldo->phy_type_low || ldo->phy_type_high)) { 1549 advert_phy_type_lo = 1550 le64_to_cpu(pf->nvm_phy_type_lo) & 1551 ldo->phy_type_low; 1552 advert_phy_type_hi = 1553 le64_to_cpu(pf->nvm_phy_type_hi) & 1554 ldo->phy_type_high; 1555 } 1556 } 1557 } else { 1558 /* strict mode */ 1559 phy_types_low = vsi->port_info->phy.phy_type_low; 1560 phy_types_high = vsi->port_info->phy.phy_type_high; 1561 } 1562 1563 /* If Advertising link mode PHY type is not using override PHY type, 1564 * then use PHY type with media. 1565 */ 1566 if (!advert_phy_type_lo && !advert_phy_type_hi) { 1567 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 1568 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 1569 } 1570 1571 ethtool_link_ksettings_zero_link_mode(ks, supported); 1572 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1573 1574 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX | 1575 ICE_PHY_TYPE_LOW_100M_SGMII; 1576 if (phy_types_low & phy_type_mask_lo) { 1577 ethtool_link_ksettings_add_link_mode(ks, supported, 1578 100baseT_Full); 1579 1580 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB, 1581 100baseT_Full); 1582 } 1583 1584 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T | 1585 ICE_PHY_TYPE_LOW_1G_SGMII; 1586 if (phy_types_low & phy_type_mask_lo) { 1587 ethtool_link_ksettings_add_link_mode(ks, supported, 1588 1000baseT_Full); 1589 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1590 1000baseT_Full); 1591 } 1592 1593 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX; 1594 if (phy_types_low & phy_type_mask_lo) { 1595 ethtool_link_ksettings_add_link_mode(ks, supported, 1596 1000baseKX_Full); 1597 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1598 1000baseKX_Full); 1599 } 1600 1601 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX | 1602 ICE_PHY_TYPE_LOW_1000BASE_LX; 1603 if (phy_types_low & phy_type_mask_lo) { 1604 ethtool_link_ksettings_add_link_mode(ks, supported, 1605 1000baseX_Full); 1606 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1607 1000baseX_Full); 1608 } 1609 1610 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T; 1611 if (phy_types_low & phy_type_mask_lo) { 1612 ethtool_link_ksettings_add_link_mode(ks, supported, 1613 2500baseT_Full); 1614 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1615 2500baseT_Full); 1616 } 1617 1618 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X | 1619 ICE_PHY_TYPE_LOW_2500BASE_KX; 1620 if (phy_types_low & phy_type_mask_lo) { 1621 ethtool_link_ksettings_add_link_mode(ks, supported, 1622 2500baseX_Full); 1623 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1624 2500baseX_Full); 1625 } 1626 1627 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T | 1628 ICE_PHY_TYPE_LOW_5GBASE_KR; 1629 if (phy_types_low & phy_type_mask_lo) { 1630 ethtool_link_ksettings_add_link_mode(ks, supported, 1631 5000baseT_Full); 1632 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB, 1633 5000baseT_Full); 1634 } 1635 1636 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T | 1637 ICE_PHY_TYPE_LOW_10G_SFI_DA | 1638 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | 1639 ICE_PHY_TYPE_LOW_10G_SFI_C2C; 1640 if (phy_types_low & phy_type_mask_lo) { 1641 ethtool_link_ksettings_add_link_mode(ks, supported, 1642 10000baseT_Full); 1643 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1644 10000baseT_Full); 1645 } 1646 1647 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1; 1648 if (phy_types_low & phy_type_mask_lo) { 1649 ethtool_link_ksettings_add_link_mode(ks, supported, 1650 10000baseKR_Full); 1651 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1652 10000baseKR_Full); 1653 } 1654 1655 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR; 1656 if (phy_types_low & phy_type_mask_lo) { 1657 ethtool_link_ksettings_add_link_mode(ks, supported, 1658 10000baseSR_Full); 1659 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1660 10000baseSR_Full); 1661 } 1662 1663 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR; 1664 if (phy_types_low & phy_type_mask_lo) { 1665 ethtool_link_ksettings_add_link_mode(ks, supported, 1666 10000baseLR_Full); 1667 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1668 10000baseLR_Full); 1669 } 1670 1671 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T | 1672 ICE_PHY_TYPE_LOW_25GBASE_CR | 1673 ICE_PHY_TYPE_LOW_25GBASE_CR_S | 1674 ICE_PHY_TYPE_LOW_25GBASE_CR1 | 1675 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC | 1676 ICE_PHY_TYPE_LOW_25G_AUI_C2C; 1677 if (phy_types_low & phy_type_mask_lo) { 1678 ethtool_link_ksettings_add_link_mode(ks, supported, 1679 25000baseCR_Full); 1680 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1681 25000baseCR_Full); 1682 } 1683 1684 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR | 1685 ICE_PHY_TYPE_LOW_25GBASE_LR; 1686 if (phy_types_low & phy_type_mask_lo) { 1687 ethtool_link_ksettings_add_link_mode(ks, supported, 1688 25000baseSR_Full); 1689 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1690 25000baseSR_Full); 1691 } 1692 1693 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR | 1694 ICE_PHY_TYPE_LOW_25GBASE_KR_S | 1695 ICE_PHY_TYPE_LOW_25GBASE_KR1; 1696 if (phy_types_low & phy_type_mask_lo) { 1697 ethtool_link_ksettings_add_link_mode(ks, supported, 1698 25000baseKR_Full); 1699 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1700 25000baseKR_Full); 1701 } 1702 1703 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4; 1704 if (phy_types_low & phy_type_mask_lo) { 1705 ethtool_link_ksettings_add_link_mode(ks, supported, 1706 40000baseKR4_Full); 1707 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1708 40000baseKR4_Full); 1709 } 1710 1711 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 | 1712 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC | 1713 ICE_PHY_TYPE_LOW_40G_XLAUI; 1714 if (phy_types_low & phy_type_mask_lo) { 1715 ethtool_link_ksettings_add_link_mode(ks, supported, 1716 40000baseCR4_Full); 1717 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1718 40000baseCR4_Full); 1719 } 1720 1721 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4; 1722 if (phy_types_low & phy_type_mask_lo) { 1723 ethtool_link_ksettings_add_link_mode(ks, supported, 1724 40000baseSR4_Full); 1725 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1726 40000baseSR4_Full); 1727 } 1728 1729 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4; 1730 if (phy_types_low & phy_type_mask_lo) { 1731 ethtool_link_ksettings_add_link_mode(ks, supported, 1732 40000baseLR4_Full); 1733 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1734 40000baseLR4_Full); 1735 } 1736 1737 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 | 1738 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC | 1739 ICE_PHY_TYPE_LOW_50G_LAUI2 | 1740 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC | 1741 ICE_PHY_TYPE_LOW_50G_AUI2 | 1742 ICE_PHY_TYPE_LOW_50GBASE_CP | 1743 ICE_PHY_TYPE_LOW_50GBASE_SR | 1744 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC | 1745 ICE_PHY_TYPE_LOW_50G_AUI1; 1746 if (phy_types_low & phy_type_mask_lo) { 1747 ethtool_link_ksettings_add_link_mode(ks, supported, 1748 50000baseCR2_Full); 1749 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1750 50000baseCR2_Full); 1751 } 1752 1753 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 | 1754 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4; 1755 if (phy_types_low & phy_type_mask_lo) { 1756 ethtool_link_ksettings_add_link_mode(ks, supported, 1757 50000baseKR2_Full); 1758 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1759 50000baseKR2_Full); 1760 } 1761 1762 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 | 1763 ICE_PHY_TYPE_LOW_50GBASE_LR2 | 1764 ICE_PHY_TYPE_LOW_50GBASE_FR | 1765 ICE_PHY_TYPE_LOW_50GBASE_LR; 1766 if (phy_types_low & phy_type_mask_lo) { 1767 ethtool_link_ksettings_add_link_mode(ks, supported, 1768 50000baseSR2_Full); 1769 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1770 50000baseSR2_Full); 1771 } 1772 1773 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 | 1774 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | 1775 ICE_PHY_TYPE_LOW_100G_CAUI4 | 1776 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | 1777 ICE_PHY_TYPE_LOW_100G_AUI4 | 1778 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | 1779 ICE_PHY_TYPE_LOW_100GBASE_CP2; 1780 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC | 1781 ICE_PHY_TYPE_HIGH_100G_CAUI2 | 1782 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | 1783 ICE_PHY_TYPE_HIGH_100G_AUI2; 1784 if (phy_types_low & phy_type_mask_lo || 1785 phy_types_high & phy_type_mask_hi) { 1786 ethtool_link_ksettings_add_link_mode(ks, supported, 1787 100000baseCR4_Full); 1788 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1789 100000baseCR4_Full); 1790 } 1791 1792 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 | 1793 ICE_PHY_TYPE_LOW_100GBASE_SR2; 1794 if (phy_types_low & phy_type_mask_lo) { 1795 ethtool_link_ksettings_add_link_mode(ks, supported, 1796 100000baseSR4_Full); 1797 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1798 100000baseSR4_Full); 1799 } 1800 1801 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 | 1802 ICE_PHY_TYPE_LOW_100GBASE_DR; 1803 if (phy_types_low & phy_type_mask_lo) { 1804 ethtool_link_ksettings_add_link_mode(ks, supported, 1805 100000baseLR4_ER4_Full); 1806 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1807 100000baseLR4_ER4_Full); 1808 } 1809 1810 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 | 1811 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4; 1812 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4; 1813 if (phy_types_low & phy_type_mask_lo || 1814 phy_types_high & phy_type_mask_hi) { 1815 ethtool_link_ksettings_add_link_mode(ks, supported, 1816 100000baseKR4_Full); 1817 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1818 100000baseKR4_Full); 1819 } 1820 } 1821 1822 #define TEST_SET_BITS_TIMEOUT 50 1823 #define TEST_SET_BITS_SLEEP_MAX 2000 1824 #define TEST_SET_BITS_SLEEP_MIN 1000 1825 1826 /** 1827 * ice_get_settings_link_up - Get Link settings for when link is up 1828 * @ks: ethtool ksettings to fill in 1829 * @netdev: network interface device structure 1830 */ 1831 static void 1832 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1833 struct net_device *netdev) 1834 { 1835 struct ice_netdev_priv *np = netdev_priv(netdev); 1836 struct ice_port_info *pi = np->vsi->port_info; 1837 struct ice_link_status *link_info; 1838 struct ice_vsi *vsi = np->vsi; 1839 1840 link_info = &vsi->port_info->phy.link_info; 1841 1842 /* Get supported and advertised settings from PHY ability with media */ 1843 ice_phy_type_to_ethtool(netdev, ks); 1844 1845 switch (link_info->link_speed) { 1846 case ICE_AQ_LINK_SPEED_100GB: 1847 ks->base.speed = SPEED_100000; 1848 break; 1849 case ICE_AQ_LINK_SPEED_50GB: 1850 ks->base.speed = SPEED_50000; 1851 break; 1852 case ICE_AQ_LINK_SPEED_40GB: 1853 ks->base.speed = SPEED_40000; 1854 break; 1855 case ICE_AQ_LINK_SPEED_25GB: 1856 ks->base.speed = SPEED_25000; 1857 break; 1858 case ICE_AQ_LINK_SPEED_20GB: 1859 ks->base.speed = SPEED_20000; 1860 break; 1861 case ICE_AQ_LINK_SPEED_10GB: 1862 ks->base.speed = SPEED_10000; 1863 break; 1864 case ICE_AQ_LINK_SPEED_5GB: 1865 ks->base.speed = SPEED_5000; 1866 break; 1867 case ICE_AQ_LINK_SPEED_2500MB: 1868 ks->base.speed = SPEED_2500; 1869 break; 1870 case ICE_AQ_LINK_SPEED_1000MB: 1871 ks->base.speed = SPEED_1000; 1872 break; 1873 case ICE_AQ_LINK_SPEED_100MB: 1874 ks->base.speed = SPEED_100; 1875 break; 1876 default: 1877 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1878 link_info->link_speed); 1879 break; 1880 } 1881 ks->base.duplex = DUPLEX_FULL; 1882 1883 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1884 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1885 Autoneg); 1886 1887 /* Set flow control negotiated Rx/Tx pause */ 1888 switch (pi->fc.current_mode) { 1889 case ICE_FC_FULL: 1890 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1891 break; 1892 case ICE_FC_TX_PAUSE: 1893 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1894 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1895 Asym_Pause); 1896 break; 1897 case ICE_FC_RX_PAUSE: 1898 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1899 Asym_Pause); 1900 break; 1901 case ICE_FC_PFC: 1902 default: 1903 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1904 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1905 Asym_Pause); 1906 break; 1907 } 1908 } 1909 1910 /** 1911 * ice_get_settings_link_down - Get the Link settings when link is down 1912 * @ks: ethtool ksettings to fill in 1913 * @netdev: network interface device structure 1914 * 1915 * Reports link settings that can be determined when link is down 1916 */ 1917 static void 1918 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1919 struct net_device *netdev) 1920 { 1921 /* link is down and the driver needs to fall back on 1922 * supported PHY types to figure out what info to display 1923 */ 1924 ice_phy_type_to_ethtool(netdev, ks); 1925 1926 /* With no link, speed and duplex are unknown */ 1927 ks->base.speed = SPEED_UNKNOWN; 1928 ks->base.duplex = DUPLEX_UNKNOWN; 1929 } 1930 1931 /** 1932 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1933 * @netdev: network interface device structure 1934 * @ks: ethtool ksettings 1935 * 1936 * Reports speed/duplex settings based on media_type 1937 */ 1938 static int 1939 ice_get_link_ksettings(struct net_device *netdev, 1940 struct ethtool_link_ksettings *ks) 1941 { 1942 struct ice_netdev_priv *np = netdev_priv(netdev); 1943 struct ice_aqc_get_phy_caps_data *caps; 1944 struct ice_link_status *hw_link_info; 1945 struct ice_vsi *vsi = np->vsi; 1946 int err; 1947 1948 ethtool_link_ksettings_zero_link_mode(ks, supported); 1949 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1950 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1951 hw_link_info = &vsi->port_info->phy.link_info; 1952 1953 /* set speed and duplex */ 1954 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 1955 ice_get_settings_link_up(ks, netdev); 1956 else 1957 ice_get_settings_link_down(ks, netdev); 1958 1959 /* set autoneg settings */ 1960 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 1961 AUTONEG_ENABLE : AUTONEG_DISABLE; 1962 1963 /* set media type settings */ 1964 switch (vsi->port_info->phy.media_type) { 1965 case ICE_MEDIA_FIBER: 1966 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1967 ks->base.port = PORT_FIBRE; 1968 break; 1969 case ICE_MEDIA_BASET: 1970 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 1971 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 1972 ks->base.port = PORT_TP; 1973 break; 1974 case ICE_MEDIA_BACKPLANE: 1975 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 1976 ethtool_link_ksettings_add_link_mode(ks, advertising, 1977 Backplane); 1978 ks->base.port = PORT_NONE; 1979 break; 1980 case ICE_MEDIA_DA: 1981 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1982 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 1983 ks->base.port = PORT_DA; 1984 break; 1985 default: 1986 ks->base.port = PORT_OTHER; 1987 break; 1988 } 1989 1990 /* flow control is symmetric and always supported */ 1991 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 1992 1993 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1994 if (!caps) 1995 return -ENOMEM; 1996 1997 err = ice_aq_get_phy_caps(vsi->port_info, false, 1998 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 1999 if (err) 2000 goto done; 2001 2002 /* Set the advertised flow control based on the PHY capability */ 2003 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2004 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2005 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2006 ethtool_link_ksettings_add_link_mode(ks, advertising, 2007 Asym_Pause); 2008 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2009 ethtool_link_ksettings_add_link_mode(ks, advertising, 2010 Asym_Pause); 2011 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2012 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2013 ethtool_link_ksettings_add_link_mode(ks, advertising, 2014 Asym_Pause); 2015 } else { 2016 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2017 ethtool_link_ksettings_del_link_mode(ks, advertising, 2018 Asym_Pause); 2019 } 2020 2021 /* Set advertised FEC modes based on PHY capability */ 2022 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2023 2024 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2025 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2026 ethtool_link_ksettings_add_link_mode(ks, advertising, 2027 FEC_BASER); 2028 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2029 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2030 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2031 2032 err = ice_aq_get_phy_caps(vsi->port_info, false, 2033 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 2034 if (err) 2035 goto done; 2036 2037 /* Set supported FEC modes based on PHY capability */ 2038 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2039 2040 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2041 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2042 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2043 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2044 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2045 2046 /* Set supported and advertised autoneg */ 2047 if (ice_is_phy_caps_an_enabled(caps)) { 2048 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2049 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2050 } 2051 2052 done: 2053 kfree(caps); 2054 return err; 2055 } 2056 2057 /** 2058 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2059 * @ks: ethtool ksettings 2060 */ 2061 static u16 2062 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2063 { 2064 u16 adv_link_speed = 0; 2065 2066 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2067 100baseT_Full)) 2068 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2069 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2070 1000baseX_Full)) 2071 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2072 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2073 1000baseT_Full) || 2074 ethtool_link_ksettings_test_link_mode(ks, advertising, 2075 1000baseKX_Full)) 2076 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2077 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2078 2500baseT_Full)) 2079 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2080 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2081 2500baseX_Full)) 2082 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2083 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2084 5000baseT_Full)) 2085 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2086 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2087 10000baseT_Full) || 2088 ethtool_link_ksettings_test_link_mode(ks, advertising, 2089 10000baseKR_Full)) 2090 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2091 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2092 10000baseSR_Full) || 2093 ethtool_link_ksettings_test_link_mode(ks, advertising, 2094 10000baseLR_Full)) 2095 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2096 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2097 25000baseCR_Full) || 2098 ethtool_link_ksettings_test_link_mode(ks, advertising, 2099 25000baseSR_Full) || 2100 ethtool_link_ksettings_test_link_mode(ks, advertising, 2101 25000baseKR_Full)) 2102 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2103 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2104 40000baseCR4_Full) || 2105 ethtool_link_ksettings_test_link_mode(ks, advertising, 2106 40000baseSR4_Full) || 2107 ethtool_link_ksettings_test_link_mode(ks, advertising, 2108 40000baseLR4_Full) || 2109 ethtool_link_ksettings_test_link_mode(ks, advertising, 2110 40000baseKR4_Full)) 2111 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2112 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2113 50000baseCR2_Full) || 2114 ethtool_link_ksettings_test_link_mode(ks, advertising, 2115 50000baseKR2_Full)) 2116 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2117 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2118 50000baseSR2_Full)) 2119 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2120 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2121 100000baseCR4_Full) || 2122 ethtool_link_ksettings_test_link_mode(ks, advertising, 2123 100000baseSR4_Full) || 2124 ethtool_link_ksettings_test_link_mode(ks, advertising, 2125 100000baseLR4_ER4_Full) || 2126 ethtool_link_ksettings_test_link_mode(ks, advertising, 2127 100000baseKR4_Full)) 2128 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2129 2130 return adv_link_speed; 2131 } 2132 2133 /** 2134 * ice_setup_autoneg 2135 * @p: port info 2136 * @ks: ethtool_link_ksettings 2137 * @config: configuration that will be sent down to FW 2138 * @autoneg_enabled: autonegotiation is enabled or not 2139 * @autoneg_changed: will there a change in autonegotiation 2140 * @netdev: network interface device structure 2141 * 2142 * Setup PHY autonegotiation feature 2143 */ 2144 static int 2145 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2146 struct ice_aqc_set_phy_cfg_data *config, 2147 u8 autoneg_enabled, u8 *autoneg_changed, 2148 struct net_device *netdev) 2149 { 2150 int err = 0; 2151 2152 *autoneg_changed = 0; 2153 2154 /* Check autoneg */ 2155 if (autoneg_enabled == AUTONEG_ENABLE) { 2156 /* If autoneg was not already enabled */ 2157 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2158 /* If autoneg is not supported, return error */ 2159 if (!ethtool_link_ksettings_test_link_mode(ks, 2160 supported, 2161 Autoneg)) { 2162 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2163 err = -EINVAL; 2164 } else { 2165 /* Autoneg is allowed to change */ 2166 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2167 *autoneg_changed = 1; 2168 } 2169 } 2170 } else { 2171 /* If autoneg is currently enabled */ 2172 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2173 /* If autoneg is supported 10GBASE_T is the only PHY 2174 * that can disable it, so otherwise return error 2175 */ 2176 if (ethtool_link_ksettings_test_link_mode(ks, 2177 supported, 2178 Autoneg)) { 2179 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2180 err = -EINVAL; 2181 } else { 2182 /* Autoneg is allowed to change */ 2183 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2184 *autoneg_changed = 1; 2185 } 2186 } 2187 } 2188 2189 return err; 2190 } 2191 2192 /** 2193 * ice_set_link_ksettings - Set Speed and Duplex 2194 * @netdev: network interface device structure 2195 * @ks: ethtool ksettings 2196 * 2197 * Set speed/duplex per media_types advertised/forced 2198 */ 2199 static int 2200 ice_set_link_ksettings(struct net_device *netdev, 2201 const struct ethtool_link_ksettings *ks) 2202 { 2203 struct ice_netdev_priv *np = netdev_priv(netdev); 2204 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2205 struct ethtool_link_ksettings copy_ks = *ks; 2206 struct ethtool_link_ksettings safe_ks = {}; 2207 struct ice_aqc_get_phy_caps_data *phy_caps; 2208 struct ice_aqc_set_phy_cfg_data config; 2209 u16 adv_link_speed, curr_link_speed; 2210 struct ice_pf *pf = np->vsi->back; 2211 struct ice_port_info *pi; 2212 u8 autoneg_changed = 0; 2213 u64 phy_type_high = 0; 2214 u64 phy_type_low = 0; 2215 bool linkup; 2216 int err; 2217 2218 pi = np->vsi->port_info; 2219 2220 if (!pi) 2221 return -EIO; 2222 2223 if (pi->phy.media_type != ICE_MEDIA_BASET && 2224 pi->phy.media_type != ICE_MEDIA_FIBER && 2225 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2226 pi->phy.media_type != ICE_MEDIA_DA && 2227 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2228 return -EOPNOTSUPP; 2229 2230 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2231 if (!phy_caps) 2232 return -ENOMEM; 2233 2234 /* Get the PHY capabilities based on media */ 2235 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2236 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2237 phy_caps, NULL); 2238 else 2239 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2240 phy_caps, NULL); 2241 if (err) 2242 goto done; 2243 2244 /* save autoneg out of ksettings */ 2245 autoneg = copy_ks.base.autoneg; 2246 2247 /* Get link modes supported by hardware.*/ 2248 ice_phy_type_to_ethtool(netdev, &safe_ks); 2249 2250 /* and check against modes requested by user. 2251 * Return an error if unsupported mode was set. 2252 */ 2253 if (!bitmap_subset(copy_ks.link_modes.advertising, 2254 safe_ks.link_modes.supported, 2255 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2256 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2257 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"); 2258 err = -EOPNOTSUPP; 2259 goto done; 2260 } 2261 2262 /* get our own copy of the bits to check against */ 2263 memset(&safe_ks, 0, sizeof(safe_ks)); 2264 safe_ks.base.cmd = copy_ks.base.cmd; 2265 safe_ks.base.link_mode_masks_nwords = 2266 copy_ks.base.link_mode_masks_nwords; 2267 ice_get_link_ksettings(netdev, &safe_ks); 2268 2269 /* set autoneg back to what it currently is */ 2270 copy_ks.base.autoneg = safe_ks.base.autoneg; 2271 /* we don't compare the speed */ 2272 copy_ks.base.speed = safe_ks.base.speed; 2273 2274 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2275 * trying to set something that we do not support. 2276 */ 2277 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2278 err = -EOPNOTSUPP; 2279 goto done; 2280 } 2281 2282 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2283 timeout--; 2284 if (!timeout) { 2285 err = -EBUSY; 2286 goto done; 2287 } 2288 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2289 } 2290 2291 /* Copy the current user PHY configuration. The current user PHY 2292 * configuration is initialized during probe from PHY capabilities 2293 * software mode, and updated on set PHY configuration. 2294 */ 2295 config = pi->phy.curr_user_phy_cfg; 2296 2297 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2298 2299 /* Check autoneg */ 2300 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2301 netdev); 2302 2303 if (err) 2304 goto done; 2305 2306 /* Call to get the current link speed */ 2307 pi->phy.get_link_info = true; 2308 err = ice_get_link_status(pi, &linkup); 2309 if (err) 2310 goto done; 2311 2312 curr_link_speed = pi->phy.curr_user_speed_req; 2313 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2314 2315 /* If speed didn't get set, set it to what it currently is. 2316 * This is needed because if advertise is 0 (as it is when autoneg 2317 * is disabled) then speed won't get set. 2318 */ 2319 if (!adv_link_speed) 2320 adv_link_speed = curr_link_speed; 2321 2322 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2323 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); 2324 2325 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2326 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2327 goto done; 2328 } 2329 2330 /* save the requested speeds */ 2331 pi->phy.link_info.req_speeds = adv_link_speed; 2332 2333 /* set link and auto negotiation so changes take effect */ 2334 config.caps |= ICE_AQ_PHY_ENA_LINK; 2335 2336 /* check if there is a PHY type for the requested advertised speed */ 2337 if (!(phy_type_low || phy_type_high)) { 2338 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"); 2339 err = -EOPNOTSUPP; 2340 goto done; 2341 } 2342 2343 /* intersect requested advertised speed PHY types with media PHY types 2344 * for set PHY configuration 2345 */ 2346 config.phy_type_high = cpu_to_le64(phy_type_high) & 2347 phy_caps->phy_type_high; 2348 config.phy_type_low = cpu_to_le64(phy_type_low) & 2349 phy_caps->phy_type_low; 2350 2351 if (!(config.phy_type_high || config.phy_type_low)) { 2352 /* If there is no intersection and lenient mode is enabled, then 2353 * intersect the requested advertised speed with NVM media type 2354 * PHY types. 2355 */ 2356 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2357 config.phy_type_high = cpu_to_le64(phy_type_high) & 2358 pf->nvm_phy_type_hi; 2359 config.phy_type_low = cpu_to_le64(phy_type_low) & 2360 pf->nvm_phy_type_lo; 2361 } else { 2362 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"); 2363 err = -EOPNOTSUPP; 2364 goto done; 2365 } 2366 } 2367 2368 /* If link is up put link down */ 2369 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2370 /* Tell the OS link is going down, the link will go 2371 * back up when fw says it is ready asynchronously 2372 */ 2373 ice_print_link_msg(np->vsi, false); 2374 netif_carrier_off(netdev); 2375 netif_tx_stop_all_queues(netdev); 2376 } 2377 2378 /* make the aq call */ 2379 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2380 if (err) { 2381 netdev_info(netdev, "Set phy config failed,\n"); 2382 goto done; 2383 } 2384 2385 /* Save speed request */ 2386 pi->phy.curr_user_speed_req = adv_link_speed; 2387 done: 2388 kfree(phy_caps); 2389 clear_bit(ICE_CFG_BUSY, pf->state); 2390 2391 return err; 2392 } 2393 2394 /** 2395 * ice_parse_hdrs - parses headers from RSS hash input 2396 * @nfc: ethtool rxnfc command 2397 * 2398 * This function parses the rxnfc command and returns intended 2399 * header types for RSS configuration 2400 */ 2401 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2402 { 2403 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2404 2405 switch (nfc->flow_type) { 2406 case TCP_V4_FLOW: 2407 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2408 break; 2409 case UDP_V4_FLOW: 2410 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2411 break; 2412 case SCTP_V4_FLOW: 2413 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2414 break; 2415 case TCP_V6_FLOW: 2416 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2417 break; 2418 case UDP_V6_FLOW: 2419 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2420 break; 2421 case SCTP_V6_FLOW: 2422 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2423 break; 2424 default: 2425 break; 2426 } 2427 return hdrs; 2428 } 2429 2430 #define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) 2431 #define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) 2432 #define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) 2433 #define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) 2434 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) 2435 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) 2436 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) 2437 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) 2438 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ 2439 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) 2440 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ 2441 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) 2442 2443 /** 2444 * ice_parse_hash_flds - parses hash fields from RSS hash input 2445 * @nfc: ethtool rxnfc command 2446 * 2447 * This function parses the rxnfc command and returns intended 2448 * hash fields for RSS configuration 2449 */ 2450 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) 2451 { 2452 u64 hfld = ICE_HASH_INVALID; 2453 2454 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2455 switch (nfc->flow_type) { 2456 case TCP_V4_FLOW: 2457 case UDP_V4_FLOW: 2458 case SCTP_V4_FLOW: 2459 if (nfc->data & RXH_IP_SRC) 2460 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2461 if (nfc->data & RXH_IP_DST) 2462 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2463 break; 2464 case TCP_V6_FLOW: 2465 case UDP_V6_FLOW: 2466 case SCTP_V6_FLOW: 2467 if (nfc->data & RXH_IP_SRC) 2468 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2469 if (nfc->data & RXH_IP_DST) 2470 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2471 break; 2472 default: 2473 break; 2474 } 2475 } 2476 2477 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2478 switch (nfc->flow_type) { 2479 case TCP_V4_FLOW: 2480 case TCP_V6_FLOW: 2481 if (nfc->data & RXH_L4_B_0_1) 2482 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2483 if (nfc->data & RXH_L4_B_2_3) 2484 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2485 break; 2486 case UDP_V4_FLOW: 2487 case UDP_V6_FLOW: 2488 if (nfc->data & RXH_L4_B_0_1) 2489 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2490 if (nfc->data & RXH_L4_B_2_3) 2491 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2492 break; 2493 case SCTP_V4_FLOW: 2494 case SCTP_V6_FLOW: 2495 if (nfc->data & RXH_L4_B_0_1) 2496 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2497 if (nfc->data & RXH_L4_B_2_3) 2498 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2499 break; 2500 default: 2501 break; 2502 } 2503 } 2504 2505 return hfld; 2506 } 2507 2508 /** 2509 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2510 * @vsi: the VSI being configured 2511 * @nfc: ethtool rxnfc command 2512 * 2513 * Returns Success if the flow input set is supported. 2514 */ 2515 static int 2516 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2517 { 2518 struct ice_pf *pf = vsi->back; 2519 struct device *dev; 2520 u64 hashed_flds; 2521 int status; 2522 u32 hdrs; 2523 2524 dev = ice_pf_to_dev(pf); 2525 if (ice_is_safe_mode(pf)) { 2526 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2527 vsi->vsi_num); 2528 return -EINVAL; 2529 } 2530 2531 hashed_flds = ice_parse_hash_flds(nfc); 2532 if (hashed_flds == ICE_HASH_INVALID) { 2533 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2534 vsi->vsi_num); 2535 return -EINVAL; 2536 } 2537 2538 hdrs = ice_parse_hdrs(nfc); 2539 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2540 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2541 vsi->vsi_num); 2542 return -EINVAL; 2543 } 2544 2545 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); 2546 if (status) { 2547 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n", 2548 vsi->vsi_num, status); 2549 return status; 2550 } 2551 2552 return 0; 2553 } 2554 2555 /** 2556 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2557 * @vsi: the VSI being configured 2558 * @nfc: ethtool rxnfc command 2559 */ 2560 static void 2561 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2562 { 2563 struct ice_pf *pf = vsi->back; 2564 struct device *dev; 2565 u64 hash_flds; 2566 u32 hdrs; 2567 2568 dev = ice_pf_to_dev(pf); 2569 2570 nfc->data = 0; 2571 if (ice_is_safe_mode(pf)) { 2572 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2573 vsi->vsi_num); 2574 return; 2575 } 2576 2577 hdrs = ice_parse_hdrs(nfc); 2578 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2579 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2580 vsi->vsi_num); 2581 return; 2582 } 2583 2584 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); 2585 if (hash_flds == ICE_HASH_INVALID) { 2586 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2587 vsi->vsi_num); 2588 return; 2589 } 2590 2591 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2592 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2593 nfc->data |= (u64)RXH_IP_SRC; 2594 2595 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2596 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2597 nfc->data |= (u64)RXH_IP_DST; 2598 2599 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2600 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2601 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2602 nfc->data |= (u64)RXH_L4_B_0_1; 2603 2604 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2605 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2606 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2607 nfc->data |= (u64)RXH_L4_B_2_3; 2608 } 2609 2610 /** 2611 * ice_set_rxnfc - command to set Rx flow rules. 2612 * @netdev: network interface device structure 2613 * @cmd: ethtool rxnfc command 2614 * 2615 * Returns 0 for success and negative values for errors 2616 */ 2617 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2618 { 2619 struct ice_netdev_priv *np = netdev_priv(netdev); 2620 struct ice_vsi *vsi = np->vsi; 2621 2622 switch (cmd->cmd) { 2623 case ETHTOOL_SRXCLSRLINS: 2624 return ice_add_fdir_ethtool(vsi, cmd); 2625 case ETHTOOL_SRXCLSRLDEL: 2626 return ice_del_fdir_ethtool(vsi, cmd); 2627 case ETHTOOL_SRXFH: 2628 return ice_set_rss_hash_opt(vsi, cmd); 2629 default: 2630 break; 2631 } 2632 return -EOPNOTSUPP; 2633 } 2634 2635 /** 2636 * ice_get_rxnfc - command to get Rx flow classification rules 2637 * @netdev: network interface device structure 2638 * @cmd: ethtool rxnfc command 2639 * @rule_locs: buffer to rturn Rx flow classification rules 2640 * 2641 * Returns Success if the command is supported. 2642 */ 2643 static int 2644 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2645 u32 __always_unused *rule_locs) 2646 { 2647 struct ice_netdev_priv *np = netdev_priv(netdev); 2648 struct ice_vsi *vsi = np->vsi; 2649 int ret = -EOPNOTSUPP; 2650 struct ice_hw *hw; 2651 2652 hw = &vsi->back->hw; 2653 2654 switch (cmd->cmd) { 2655 case ETHTOOL_GRXRINGS: 2656 cmd->data = vsi->rss_size; 2657 ret = 0; 2658 break; 2659 case ETHTOOL_GRXCLSRLCNT: 2660 cmd->rule_cnt = hw->fdir_active_fltr; 2661 /* report total rule count */ 2662 cmd->data = ice_get_fdir_cnt_all(hw); 2663 ret = 0; 2664 break; 2665 case ETHTOOL_GRXCLSRULE: 2666 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2667 break; 2668 case ETHTOOL_GRXCLSRLALL: 2669 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2670 break; 2671 case ETHTOOL_GRXFH: 2672 ice_get_rss_hash_opt(vsi, cmd); 2673 ret = 0; 2674 break; 2675 default: 2676 break; 2677 } 2678 2679 return ret; 2680 } 2681 2682 static void 2683 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2684 struct kernel_ethtool_ringparam *kernel_ring, 2685 struct netlink_ext_ack *extack) 2686 { 2687 struct ice_netdev_priv *np = netdev_priv(netdev); 2688 struct ice_vsi *vsi = np->vsi; 2689 2690 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2691 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2692 ring->rx_pending = vsi->rx_rings[0]->count; 2693 ring->tx_pending = vsi->tx_rings[0]->count; 2694 2695 /* Rx mini and jumbo rings are not supported */ 2696 ring->rx_mini_max_pending = 0; 2697 ring->rx_jumbo_max_pending = 0; 2698 ring->rx_mini_pending = 0; 2699 ring->rx_jumbo_pending = 0; 2700 } 2701 2702 static int 2703 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2704 struct kernel_ethtool_ringparam *kernel_ring, 2705 struct netlink_ext_ack *extack) 2706 { 2707 struct ice_netdev_priv *np = netdev_priv(netdev); 2708 struct ice_tx_ring *xdp_rings = NULL; 2709 struct ice_tx_ring *tx_rings = NULL; 2710 struct ice_rx_ring *rx_rings = NULL; 2711 struct ice_vsi *vsi = np->vsi; 2712 struct ice_pf *pf = vsi->back; 2713 int i, timeout = 50, err = 0; 2714 u16 new_rx_cnt, new_tx_cnt; 2715 2716 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2717 ring->tx_pending < ICE_MIN_NUM_DESC || 2718 ring->rx_pending > ICE_MAX_NUM_DESC || 2719 ring->rx_pending < ICE_MIN_NUM_DESC) { 2720 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2721 ring->tx_pending, ring->rx_pending, 2722 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2723 ICE_REQ_DESC_MULTIPLE); 2724 return -EINVAL; 2725 } 2726 2727 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2728 if (new_tx_cnt != ring->tx_pending) 2729 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2730 new_tx_cnt); 2731 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2732 if (new_rx_cnt != ring->rx_pending) 2733 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2734 new_rx_cnt); 2735 2736 /* if nothing to do return success */ 2737 if (new_tx_cnt == vsi->tx_rings[0]->count && 2738 new_rx_cnt == vsi->rx_rings[0]->count) { 2739 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2740 return 0; 2741 } 2742 2743 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2744 * disallow changing the number of descriptors -- regardless 2745 * if the netdev is running or not. 2746 */ 2747 if (ice_xsk_any_rx_ring_ena(vsi)) 2748 return -EBUSY; 2749 2750 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2751 timeout--; 2752 if (!timeout) 2753 return -EBUSY; 2754 usleep_range(1000, 2000); 2755 } 2756 2757 /* set for the next time the netdev is started */ 2758 if (!netif_running(vsi->netdev)) { 2759 ice_for_each_alloc_txq(vsi, i) 2760 vsi->tx_rings[i]->count = new_tx_cnt; 2761 ice_for_each_alloc_rxq(vsi, i) 2762 vsi->rx_rings[i]->count = new_rx_cnt; 2763 if (ice_is_xdp_ena_vsi(vsi)) 2764 ice_for_each_xdp_txq(vsi, i) 2765 vsi->xdp_rings[i]->count = new_tx_cnt; 2766 vsi->num_tx_desc = (u16)new_tx_cnt; 2767 vsi->num_rx_desc = (u16)new_rx_cnt; 2768 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2769 goto done; 2770 } 2771 2772 if (new_tx_cnt == vsi->tx_rings[0]->count) 2773 goto process_rx; 2774 2775 /* alloc updated Tx resources */ 2776 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2777 vsi->tx_rings[0]->count, new_tx_cnt); 2778 2779 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2780 if (!tx_rings) { 2781 err = -ENOMEM; 2782 goto done; 2783 } 2784 2785 ice_for_each_txq(vsi, i) { 2786 /* clone ring and setup updated count */ 2787 tx_rings[i] = *vsi->tx_rings[i]; 2788 tx_rings[i].count = new_tx_cnt; 2789 tx_rings[i].desc = NULL; 2790 tx_rings[i].tx_buf = NULL; 2791 err = ice_setup_tx_ring(&tx_rings[i]); 2792 if (err) { 2793 while (i--) 2794 ice_clean_tx_ring(&tx_rings[i]); 2795 kfree(tx_rings); 2796 goto done; 2797 } 2798 } 2799 2800 if (!ice_is_xdp_ena_vsi(vsi)) 2801 goto process_rx; 2802 2803 /* alloc updated XDP resources */ 2804 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2805 vsi->xdp_rings[0]->count, new_tx_cnt); 2806 2807 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2808 if (!xdp_rings) { 2809 err = -ENOMEM; 2810 goto free_tx; 2811 } 2812 2813 ice_for_each_xdp_txq(vsi, i) { 2814 /* clone ring and setup updated count */ 2815 xdp_rings[i] = *vsi->xdp_rings[i]; 2816 xdp_rings[i].count = new_tx_cnt; 2817 xdp_rings[i].next_dd = ICE_RING_QUARTER(&xdp_rings[i]) - 1; 2818 xdp_rings[i].next_rs = ICE_RING_QUARTER(&xdp_rings[i]) - 1; 2819 xdp_rings[i].desc = NULL; 2820 xdp_rings[i].tx_buf = NULL; 2821 err = ice_setup_tx_ring(&xdp_rings[i]); 2822 if (err) { 2823 while (i--) 2824 ice_clean_tx_ring(&xdp_rings[i]); 2825 kfree(xdp_rings); 2826 goto free_tx; 2827 } 2828 ice_set_ring_xdp(&xdp_rings[i]); 2829 } 2830 2831 process_rx: 2832 if (new_rx_cnt == vsi->rx_rings[0]->count) 2833 goto process_link; 2834 2835 /* alloc updated Rx resources */ 2836 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2837 vsi->rx_rings[0]->count, new_rx_cnt); 2838 2839 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2840 if (!rx_rings) { 2841 err = -ENOMEM; 2842 goto done; 2843 } 2844 2845 ice_for_each_rxq(vsi, i) { 2846 /* clone ring and setup updated count */ 2847 rx_rings[i] = *vsi->rx_rings[i]; 2848 rx_rings[i].count = new_rx_cnt; 2849 rx_rings[i].desc = NULL; 2850 rx_rings[i].rx_buf = NULL; 2851 /* this is to allow wr32 to have something to write to 2852 * during early allocation of Rx buffers 2853 */ 2854 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2855 2856 err = ice_setup_rx_ring(&rx_rings[i]); 2857 if (err) 2858 goto rx_unwind; 2859 2860 /* allocate Rx buffers */ 2861 err = ice_alloc_rx_bufs(&rx_rings[i], 2862 ICE_DESC_UNUSED(&rx_rings[i])); 2863 rx_unwind: 2864 if (err) { 2865 while (i) { 2866 i--; 2867 ice_free_rx_ring(&rx_rings[i]); 2868 } 2869 kfree(rx_rings); 2870 err = -ENOMEM; 2871 goto free_tx; 2872 } 2873 } 2874 2875 process_link: 2876 /* Bring interface down, copy in the new ring info, then restore the 2877 * interface. if VSI is up, bring it down and then back up 2878 */ 2879 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 2880 ice_down(vsi); 2881 2882 if (tx_rings) { 2883 ice_for_each_txq(vsi, i) { 2884 ice_free_tx_ring(vsi->tx_rings[i]); 2885 *vsi->tx_rings[i] = tx_rings[i]; 2886 } 2887 kfree(tx_rings); 2888 } 2889 2890 if (rx_rings) { 2891 ice_for_each_rxq(vsi, i) { 2892 ice_free_rx_ring(vsi->rx_rings[i]); 2893 /* copy the real tail offset */ 2894 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2895 /* this is to fake out the allocation routine 2896 * into thinking it has to realloc everything 2897 * but the recycling logic will let us re-use 2898 * the buffers allocated above 2899 */ 2900 rx_rings[i].next_to_use = 0; 2901 rx_rings[i].next_to_clean = 0; 2902 rx_rings[i].next_to_alloc = 0; 2903 *vsi->rx_rings[i] = rx_rings[i]; 2904 } 2905 kfree(rx_rings); 2906 } 2907 2908 if (xdp_rings) { 2909 ice_for_each_xdp_txq(vsi, i) { 2910 ice_free_tx_ring(vsi->xdp_rings[i]); 2911 *vsi->xdp_rings[i] = xdp_rings[i]; 2912 } 2913 kfree(xdp_rings); 2914 } 2915 2916 vsi->num_tx_desc = new_tx_cnt; 2917 vsi->num_rx_desc = new_rx_cnt; 2918 ice_up(vsi); 2919 } 2920 goto done; 2921 2922 free_tx: 2923 /* error cleanup if the Rx allocations failed after getting Tx */ 2924 if (tx_rings) { 2925 ice_for_each_txq(vsi, i) 2926 ice_free_tx_ring(&tx_rings[i]); 2927 kfree(tx_rings); 2928 } 2929 2930 done: 2931 clear_bit(ICE_CFG_BUSY, pf->state); 2932 return err; 2933 } 2934 2935 /** 2936 * ice_get_pauseparam - Get Flow Control status 2937 * @netdev: network interface device structure 2938 * @pause: ethernet pause (flow control) parameters 2939 * 2940 * Get requested flow control status from PHY capability. 2941 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2942 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2943 * the negotiated Rx/Tx pause via lp_advertising. 2944 */ 2945 static void 2946 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2947 { 2948 struct ice_netdev_priv *np = netdev_priv(netdev); 2949 struct ice_port_info *pi = np->vsi->port_info; 2950 struct ice_aqc_get_phy_caps_data *pcaps; 2951 struct ice_dcbx_cfg *dcbx_cfg; 2952 int status; 2953 2954 /* Initialize pause params */ 2955 pause->rx_pause = 0; 2956 pause->tx_pause = 0; 2957 2958 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 2959 2960 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2961 if (!pcaps) 2962 return; 2963 2964 /* Get current PHY config */ 2965 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 2966 NULL); 2967 if (status) 2968 goto out; 2969 2970 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 2971 AUTONEG_DISABLE; 2972 2973 if (dcbx_cfg->pfc.pfcena) 2974 /* PFC enabled so report LFC as off */ 2975 goto out; 2976 2977 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 2978 pause->tx_pause = 1; 2979 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 2980 pause->rx_pause = 1; 2981 2982 out: 2983 kfree(pcaps); 2984 } 2985 2986 /** 2987 * ice_set_pauseparam - Set Flow Control parameter 2988 * @netdev: network interface device structure 2989 * @pause: return Tx/Rx flow control status 2990 */ 2991 static int 2992 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2993 { 2994 struct ice_netdev_priv *np = netdev_priv(netdev); 2995 struct ice_aqc_get_phy_caps_data *pcaps; 2996 struct ice_link_status *hw_link_info; 2997 struct ice_pf *pf = np->vsi->back; 2998 struct ice_dcbx_cfg *dcbx_cfg; 2999 struct ice_vsi *vsi = np->vsi; 3000 struct ice_hw *hw = &pf->hw; 3001 struct ice_port_info *pi; 3002 u8 aq_failures; 3003 bool link_up; 3004 u32 is_an; 3005 int err; 3006 3007 pi = vsi->port_info; 3008 hw_link_info = &pi->phy.link_info; 3009 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3010 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3011 3012 /* Changing the port's flow control is not supported if this isn't the 3013 * PF VSI 3014 */ 3015 if (vsi->type != ICE_VSI_PF) { 3016 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3017 return -EOPNOTSUPP; 3018 } 3019 3020 /* Get pause param reports configured and negotiated flow control pause 3021 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3022 * defined get pause param pause->autoneg reports SW configured setting, 3023 * so compare pause->autoneg with SW configured to prevent the user from 3024 * using set pause param to chance autoneg. 3025 */ 3026 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3027 if (!pcaps) 3028 return -ENOMEM; 3029 3030 /* Get current PHY config */ 3031 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3032 NULL); 3033 if (err) { 3034 kfree(pcaps); 3035 return err; 3036 } 3037 3038 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3039 AUTONEG_DISABLE; 3040 3041 kfree(pcaps); 3042 3043 if (pause->autoneg != is_an) { 3044 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3045 return -EOPNOTSUPP; 3046 } 3047 3048 /* If we have link and don't have autoneg */ 3049 if (!test_bit(ICE_DOWN, pf->state) && 3050 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3051 /* Send message that it might not necessarily work*/ 3052 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3053 } 3054 3055 if (dcbx_cfg->pfc.pfcena) { 3056 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3057 return -EOPNOTSUPP; 3058 } 3059 if (pause->rx_pause && pause->tx_pause) 3060 pi->fc.req_mode = ICE_FC_FULL; 3061 else if (pause->rx_pause && !pause->tx_pause) 3062 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3063 else if (!pause->rx_pause && pause->tx_pause) 3064 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3065 else if (!pause->rx_pause && !pause->tx_pause) 3066 pi->fc.req_mode = ICE_FC_NONE; 3067 else 3068 return -EINVAL; 3069 3070 /* Set the FC mode and only restart AN if link is up */ 3071 err = ice_set_fc(pi, &aq_failures, link_up); 3072 3073 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3074 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n", 3075 err, ice_aq_str(hw->adminq.sq_last_status)); 3076 err = -EAGAIN; 3077 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3078 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n", 3079 err, ice_aq_str(hw->adminq.sq_last_status)); 3080 err = -EAGAIN; 3081 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3082 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n", 3083 err, ice_aq_str(hw->adminq.sq_last_status)); 3084 err = -EAGAIN; 3085 } 3086 3087 return err; 3088 } 3089 3090 /** 3091 * ice_get_rxfh_key_size - get the RSS hash key size 3092 * @netdev: network interface device structure 3093 * 3094 * Returns the table size. 3095 */ 3096 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3097 { 3098 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3099 } 3100 3101 /** 3102 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3103 * @netdev: network interface device structure 3104 * 3105 * Returns the table size. 3106 */ 3107 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3108 { 3109 struct ice_netdev_priv *np = netdev_priv(netdev); 3110 3111 return np->vsi->rss_table_size; 3112 } 3113 3114 static int 3115 ice_get_rxfh_context(struct net_device *netdev, u32 *indir, 3116 u8 *key, u8 *hfunc, u32 rss_context) 3117 { 3118 struct ice_netdev_priv *np = netdev_priv(netdev); 3119 struct ice_vsi *vsi = np->vsi; 3120 struct ice_pf *pf = vsi->back; 3121 u16 qcount, offset; 3122 int err, num_tc, i; 3123 u8 *lut; 3124 3125 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3126 netdev_warn(netdev, "RSS is not supported on this VSI!\n"); 3127 return -EOPNOTSUPP; 3128 } 3129 3130 if (rss_context && !ice_is_adq_active(pf)) { 3131 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n"); 3132 return -EINVAL; 3133 } 3134 3135 qcount = vsi->mqprio_qopt.qopt.count[rss_context]; 3136 offset = vsi->mqprio_qopt.qopt.offset[rss_context]; 3137 3138 if (rss_context && ice_is_adq_active(pf)) { 3139 num_tc = vsi->mqprio_qopt.qopt.num_tc; 3140 if (rss_context >= num_tc) { 3141 netdev_err(netdev, "RSS context:%d > num_tc:%d\n", 3142 rss_context, num_tc); 3143 return -EINVAL; 3144 } 3145 /* Use channel VSI of given TC */ 3146 vsi = vsi->tc_map_vsi[rss_context]; 3147 } 3148 3149 if (hfunc) 3150 *hfunc = ETH_RSS_HASH_TOP; 3151 3152 if (!indir) 3153 return 0; 3154 3155 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3156 if (!lut) 3157 return -ENOMEM; 3158 3159 err = ice_get_rss_key(vsi, key); 3160 if (err) 3161 goto out; 3162 3163 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size); 3164 if (err) 3165 goto out; 3166 3167 if (ice_is_adq_active(pf)) { 3168 for (i = 0; i < vsi->rss_table_size; i++) 3169 indir[i] = offset + lut[i] % qcount; 3170 goto out; 3171 } 3172 3173 for (i = 0; i < vsi->rss_table_size; i++) 3174 indir[i] = lut[i]; 3175 3176 out: 3177 kfree(lut); 3178 return err; 3179 } 3180 3181 /** 3182 * ice_get_rxfh - get the Rx flow hash indirection table 3183 * @netdev: network interface device structure 3184 * @indir: indirection table 3185 * @key: hash key 3186 * @hfunc: hash function 3187 * 3188 * Reads the indirection table directly from the hardware. 3189 */ 3190 static int 3191 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3192 { 3193 return ice_get_rxfh_context(netdev, indir, key, hfunc, 0); 3194 } 3195 3196 /** 3197 * ice_set_rxfh - set the Rx flow hash indirection table 3198 * @netdev: network interface device structure 3199 * @indir: indirection table 3200 * @key: hash key 3201 * @hfunc: hash function 3202 * 3203 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3204 * returns 0 after programming the table. 3205 */ 3206 static int 3207 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3208 const u8 hfunc) 3209 { 3210 struct ice_netdev_priv *np = netdev_priv(netdev); 3211 struct ice_vsi *vsi = np->vsi; 3212 struct ice_pf *pf = vsi->back; 3213 struct device *dev; 3214 int err; 3215 3216 dev = ice_pf_to_dev(pf); 3217 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3218 return -EOPNOTSUPP; 3219 3220 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3221 /* RSS not supported return error here */ 3222 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3223 return -EIO; 3224 } 3225 3226 if (ice_is_adq_active(pf)) { 3227 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n"); 3228 return -EOPNOTSUPP; 3229 } 3230 3231 if (key) { 3232 if (!vsi->rss_hkey_user) { 3233 vsi->rss_hkey_user = 3234 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3235 GFP_KERNEL); 3236 if (!vsi->rss_hkey_user) 3237 return -ENOMEM; 3238 } 3239 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3240 3241 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3242 if (err) 3243 return err; 3244 } 3245 3246 if (!vsi->rss_lut_user) { 3247 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3248 GFP_KERNEL); 3249 if (!vsi->rss_lut_user) 3250 return -ENOMEM; 3251 } 3252 3253 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3254 if (indir) { 3255 int i; 3256 3257 for (i = 0; i < vsi->rss_table_size; i++) 3258 vsi->rss_lut_user[i] = (u8)(indir[i]); 3259 } else { 3260 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3261 vsi->rss_size); 3262 } 3263 3264 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3265 if (err) 3266 return err; 3267 3268 return 0; 3269 } 3270 3271 static int 3272 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) 3273 { 3274 struct ice_pf *pf = ice_netdev_to_pf(dev); 3275 3276 /* only report timestamping if PTP is enabled */ 3277 if (!test_bit(ICE_FLAG_PTP, pf->flags)) 3278 return ethtool_op_get_ts_info(dev, info); 3279 3280 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3281 SOF_TIMESTAMPING_RX_SOFTWARE | 3282 SOF_TIMESTAMPING_SOFTWARE | 3283 SOF_TIMESTAMPING_TX_HARDWARE | 3284 SOF_TIMESTAMPING_RX_HARDWARE | 3285 SOF_TIMESTAMPING_RAW_HARDWARE; 3286 3287 info->phc_index = ice_get_ptp_clock_index(pf); 3288 3289 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3290 3291 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3292 3293 return 0; 3294 } 3295 3296 /** 3297 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3298 * @pf: PF structure 3299 */ 3300 static int ice_get_max_txq(struct ice_pf *pf) 3301 { 3302 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3303 (u16)pf->hw.func_caps.common_cap.num_txq); 3304 } 3305 3306 /** 3307 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3308 * @pf: PF structure 3309 */ 3310 static int ice_get_max_rxq(struct ice_pf *pf) 3311 { 3312 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3313 (u16)pf->hw.func_caps.common_cap.num_rxq); 3314 } 3315 3316 /** 3317 * ice_get_combined_cnt - return the current number of combined channels 3318 * @vsi: PF VSI pointer 3319 * 3320 * Go through all queue vectors and count ones that have both Rx and Tx ring 3321 * attached 3322 */ 3323 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3324 { 3325 u32 combined = 0; 3326 int q_idx; 3327 3328 ice_for_each_q_vector(vsi, q_idx) { 3329 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3330 3331 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring) 3332 combined++; 3333 } 3334 3335 return combined; 3336 } 3337 3338 /** 3339 * ice_get_channels - get the current and max supported channels 3340 * @dev: network interface device structure 3341 * @ch: ethtool channel data structure 3342 */ 3343 static void 3344 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3345 { 3346 struct ice_netdev_priv *np = netdev_priv(dev); 3347 struct ice_vsi *vsi = np->vsi; 3348 struct ice_pf *pf = vsi->back; 3349 3350 /* report maximum channels */ 3351 ch->max_rx = ice_get_max_rxq(pf); 3352 ch->max_tx = ice_get_max_txq(pf); 3353 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3354 3355 /* report current channels */ 3356 ch->combined_count = ice_get_combined_cnt(vsi); 3357 ch->rx_count = vsi->num_rxq - ch->combined_count; 3358 ch->tx_count = vsi->num_txq - ch->combined_count; 3359 3360 /* report other queues */ 3361 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3362 ch->max_other = ch->other_count; 3363 } 3364 3365 /** 3366 * ice_get_valid_rss_size - return valid number of RSS queues 3367 * @hw: pointer to the HW structure 3368 * @new_size: requested RSS queues 3369 */ 3370 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3371 { 3372 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3373 3374 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3375 } 3376 3377 /** 3378 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3379 * @vsi: VSI to reconfigure RSS LUT on 3380 * @req_rss_size: requested range of queue numbers for hashing 3381 * 3382 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3383 */ 3384 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3385 { 3386 struct ice_pf *pf = vsi->back; 3387 struct device *dev; 3388 struct ice_hw *hw; 3389 int err; 3390 u8 *lut; 3391 3392 dev = ice_pf_to_dev(pf); 3393 hw = &pf->hw; 3394 3395 if (!req_rss_size) 3396 return -EINVAL; 3397 3398 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3399 if (!lut) 3400 return -ENOMEM; 3401 3402 /* set RSS LUT parameters */ 3403 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3404 vsi->rss_size = 1; 3405 else 3406 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3407 3408 /* create/set RSS LUT */ 3409 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3410 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3411 if (err) 3412 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3413 ice_aq_str(hw->adminq.sq_last_status)); 3414 3415 kfree(lut); 3416 return err; 3417 } 3418 3419 /** 3420 * ice_set_channels - set the number channels 3421 * @dev: network interface device structure 3422 * @ch: ethtool channel data structure 3423 */ 3424 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3425 { 3426 struct ice_netdev_priv *np = netdev_priv(dev); 3427 struct ice_vsi *vsi = np->vsi; 3428 struct ice_pf *pf = vsi->back; 3429 int new_rx = 0, new_tx = 0; 3430 u32 curr_combined; 3431 3432 /* do not support changing channels in Safe Mode */ 3433 if (ice_is_safe_mode(pf)) { 3434 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3435 return -EOPNOTSUPP; 3436 } 3437 /* do not support changing other_count */ 3438 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3439 return -EINVAL; 3440 3441 if (ice_is_adq_active(pf)) { 3442 netdev_err(dev, "Cannot set channels with ADQ configured.\n"); 3443 return -EOPNOTSUPP; 3444 } 3445 3446 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3447 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3448 return -EOPNOTSUPP; 3449 } 3450 3451 curr_combined = ice_get_combined_cnt(vsi); 3452 3453 /* these checks are for cases where user didn't specify a particular 3454 * value on cmd line but we get non-zero value anyway via 3455 * get_channels(); look at ethtool.c in ethtool repository (the user 3456 * space part), particularly, do_schannels() routine 3457 */ 3458 if (ch->rx_count == vsi->num_rxq - curr_combined) 3459 ch->rx_count = 0; 3460 if (ch->tx_count == vsi->num_txq - curr_combined) 3461 ch->tx_count = 0; 3462 if (ch->combined_count == curr_combined) 3463 ch->combined_count = 0; 3464 3465 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3466 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3467 return -EINVAL; 3468 } 3469 3470 new_rx = ch->combined_count + ch->rx_count; 3471 new_tx = ch->combined_count + ch->tx_count; 3472 3473 if (new_rx > ice_get_max_rxq(pf)) { 3474 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3475 ice_get_max_rxq(pf)); 3476 return -EINVAL; 3477 } 3478 if (new_tx > ice_get_max_txq(pf)) { 3479 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3480 ice_get_max_txq(pf)); 3481 return -EINVAL; 3482 } 3483 3484 ice_vsi_recfg_qs(vsi, new_rx, new_tx); 3485 3486 if (!netif_is_rxfh_configured(dev)) 3487 return ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3488 3489 /* Update rss_size due to change in Rx queues */ 3490 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3491 3492 return 0; 3493 } 3494 3495 /** 3496 * ice_get_wol - get current Wake on LAN configuration 3497 * @netdev: network interface device structure 3498 * @wol: Ethtool structure to retrieve WoL settings 3499 */ 3500 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3501 { 3502 struct ice_netdev_priv *np = netdev_priv(netdev); 3503 struct ice_pf *pf = np->vsi->back; 3504 3505 if (np->vsi->type != ICE_VSI_PF) 3506 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3507 3508 /* Get WoL settings based on the HW capability */ 3509 if (ice_is_wol_supported(&pf->hw)) { 3510 wol->supported = WAKE_MAGIC; 3511 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3512 } else { 3513 wol->supported = 0; 3514 wol->wolopts = 0; 3515 } 3516 } 3517 3518 /** 3519 * ice_set_wol - set Wake on LAN on supported device 3520 * @netdev: network interface device structure 3521 * @wol: Ethtool structure to set WoL 3522 */ 3523 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3524 { 3525 struct ice_netdev_priv *np = netdev_priv(netdev); 3526 struct ice_vsi *vsi = np->vsi; 3527 struct ice_pf *pf = vsi->back; 3528 3529 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 3530 return -EOPNOTSUPP; 3531 3532 /* only magic packet is supported */ 3533 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3534 return -EOPNOTSUPP; 3535 3536 /* Set WoL only if there is a new value */ 3537 if (pf->wol_ena != !!wol->wolopts) { 3538 pf->wol_ena = !!wol->wolopts; 3539 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3540 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3541 pf->wol_ena ? "en" : "dis"); 3542 } 3543 3544 return 0; 3545 } 3546 3547 /** 3548 * ice_get_rc_coalesce - get ITR values for specific ring container 3549 * @ec: ethtool structure to fill with driver's coalesce settings 3550 * @rc: ring container that the ITR values will come from 3551 * 3552 * Query the device for ice_ring_container specific ITR values. This is 3553 * done per ice_ring_container because each q_vector can have 1 or more rings 3554 * and all of said ring(s) will have the same ITR values. 3555 * 3556 * Returns 0 on success, negative otherwise. 3557 */ 3558 static int 3559 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc) 3560 { 3561 if (!rc->rx_ring) 3562 return -EINVAL; 3563 3564 switch (rc->type) { 3565 case ICE_RX_CONTAINER: 3566 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 3567 ec->rx_coalesce_usecs = rc->itr_setting; 3568 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl; 3569 break; 3570 case ICE_TX_CONTAINER: 3571 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 3572 ec->tx_coalesce_usecs = rc->itr_setting; 3573 break; 3574 default: 3575 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type); 3576 return -EINVAL; 3577 } 3578 3579 return 0; 3580 } 3581 3582 /** 3583 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3584 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3585 * @ec: coalesce settings to program the device with 3586 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3587 * 3588 * Return 0 on success, and negative under the following conditions: 3589 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3590 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3591 */ 3592 static int 3593 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3594 { 3595 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3596 if (ice_get_rc_coalesce(ec, 3597 &vsi->rx_rings[q_num]->q_vector->rx)) 3598 return -EINVAL; 3599 if (ice_get_rc_coalesce(ec, 3600 &vsi->tx_rings[q_num]->q_vector->tx)) 3601 return -EINVAL; 3602 } else if (q_num < vsi->num_rxq) { 3603 if (ice_get_rc_coalesce(ec, 3604 &vsi->rx_rings[q_num]->q_vector->rx)) 3605 return -EINVAL; 3606 } else if (q_num < vsi->num_txq) { 3607 if (ice_get_rc_coalesce(ec, 3608 &vsi->tx_rings[q_num]->q_vector->tx)) 3609 return -EINVAL; 3610 } else { 3611 return -EINVAL; 3612 } 3613 3614 return 0; 3615 } 3616 3617 /** 3618 * __ice_get_coalesce - get ITR/INTRL values for the device 3619 * @netdev: pointer to the netdev associated with this query 3620 * @ec: ethtool structure to fill with driver's coalesce settings 3621 * @q_num: queue number to get the coalesce settings for 3622 * 3623 * If the caller passes in a negative q_num then we return coalesce settings 3624 * based on queue number 0, else use the actual q_num passed in. 3625 */ 3626 static int 3627 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3628 int q_num) 3629 { 3630 struct ice_netdev_priv *np = netdev_priv(netdev); 3631 struct ice_vsi *vsi = np->vsi; 3632 3633 if (q_num < 0) 3634 q_num = 0; 3635 3636 if (ice_get_q_coalesce(vsi, ec, q_num)) 3637 return -EINVAL; 3638 3639 return 0; 3640 } 3641 3642 static int ice_get_coalesce(struct net_device *netdev, 3643 struct ethtool_coalesce *ec, 3644 struct kernel_ethtool_coalesce *kernel_coal, 3645 struct netlink_ext_ack *extack) 3646 { 3647 return __ice_get_coalesce(netdev, ec, -1); 3648 } 3649 3650 static int 3651 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3652 struct ethtool_coalesce *ec) 3653 { 3654 return __ice_get_coalesce(netdev, ec, q_num); 3655 } 3656 3657 /** 3658 * ice_set_rc_coalesce - set ITR values for specific ring container 3659 * @ec: ethtool structure from user to update ITR settings 3660 * @rc: ring container that the ITR values will come from 3661 * @vsi: VSI associated to the ring container 3662 * 3663 * Set specific ITR values. This is done per ice_ring_container because each 3664 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3665 * ITR values. 3666 * 3667 * Returns 0 on success, negative otherwise. 3668 */ 3669 static int 3670 ice_set_rc_coalesce(struct ethtool_coalesce *ec, 3671 struct ice_ring_container *rc, struct ice_vsi *vsi) 3672 { 3673 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3674 u32 use_adaptive_coalesce, coalesce_usecs; 3675 struct ice_pf *pf = vsi->back; 3676 u16 itr_setting; 3677 3678 if (!rc->rx_ring) 3679 return -EINVAL; 3680 3681 switch (rc->type) { 3682 case ICE_RX_CONTAINER: 3683 { 3684 struct ice_q_vector *q_vector = rc->rx_ring->q_vector; 3685 3686 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3687 (ec->rx_coalesce_usecs_high && 3688 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3689 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3690 c_type_str, pf->hw.intrl_gran, 3691 ICE_MAX_INTRL); 3692 return -EINVAL; 3693 } 3694 if (ec->rx_coalesce_usecs_high != q_vector->intrl && 3695 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 3696 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 3697 c_type_str); 3698 return -EINVAL; 3699 } 3700 if (ec->rx_coalesce_usecs_high != q_vector->intrl) 3701 q_vector->intrl = ec->rx_coalesce_usecs_high; 3702 3703 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3704 coalesce_usecs = ec->rx_coalesce_usecs; 3705 3706 break; 3707 } 3708 case ICE_TX_CONTAINER: 3709 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3710 coalesce_usecs = ec->tx_coalesce_usecs; 3711 3712 break; 3713 default: 3714 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3715 rc->type); 3716 return -EINVAL; 3717 } 3718 3719 itr_setting = rc->itr_setting; 3720 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3721 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3722 c_type_str, c_type_str); 3723 return -EINVAL; 3724 } 3725 3726 if (coalesce_usecs > ICE_ITR_MAX) { 3727 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3728 c_type_str, ICE_ITR_MAX); 3729 return -EINVAL; 3730 } 3731 3732 if (use_adaptive_coalesce) { 3733 rc->itr_mode = ITR_DYNAMIC; 3734 } else { 3735 rc->itr_mode = ITR_STATIC; 3736 /* store user facing value how it was set */ 3737 rc->itr_setting = coalesce_usecs; 3738 /* write the change to the register */ 3739 ice_write_itr(rc, coalesce_usecs); 3740 /* force writes to take effect immediately, the flush shouldn't 3741 * be done in the functions above because the intent is for 3742 * them to do lazy writes. 3743 */ 3744 ice_flush(&pf->hw); 3745 } 3746 3747 return 0; 3748 } 3749 3750 /** 3751 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3752 * @vsi: VSI associated to the queue that need updating 3753 * @ec: coalesce settings to program the device with 3754 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3755 * 3756 * Return 0 on success, and negative under the following conditions: 3757 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3758 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3759 */ 3760 static int 3761 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3762 { 3763 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3764 if (ice_set_rc_coalesce(ec, 3765 &vsi->rx_rings[q_num]->q_vector->rx, 3766 vsi)) 3767 return -EINVAL; 3768 3769 if (ice_set_rc_coalesce(ec, 3770 &vsi->tx_rings[q_num]->q_vector->tx, 3771 vsi)) 3772 return -EINVAL; 3773 } else if (q_num < vsi->num_rxq) { 3774 if (ice_set_rc_coalesce(ec, 3775 &vsi->rx_rings[q_num]->q_vector->rx, 3776 vsi)) 3777 return -EINVAL; 3778 } else if (q_num < vsi->num_txq) { 3779 if (ice_set_rc_coalesce(ec, 3780 &vsi->tx_rings[q_num]->q_vector->tx, 3781 vsi)) 3782 return -EINVAL; 3783 } else { 3784 return -EINVAL; 3785 } 3786 3787 return 0; 3788 } 3789 3790 /** 3791 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3792 * @netdev: netdev used for print 3793 * @itr_setting: previous user setting 3794 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3795 * @coalesce_usecs: requested value of [tx|rx]-usecs 3796 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3797 */ 3798 static void 3799 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3800 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3801 const char *c_type_str) 3802 { 3803 if (use_adaptive_coalesce) 3804 return; 3805 3806 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3807 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", 3808 c_type_str, coalesce_usecs, c_type_str, 3809 ITR_REG_ALIGN(coalesce_usecs)); 3810 } 3811 3812 /** 3813 * __ice_set_coalesce - set ITR/INTRL values for the device 3814 * @netdev: pointer to the netdev associated with this query 3815 * @ec: ethtool structure to fill with driver's coalesce settings 3816 * @q_num: queue number to get the coalesce settings for 3817 * 3818 * If the caller passes in a negative q_num then we set the coalesce settings 3819 * for all Tx/Rx queues, else use the actual q_num passed in. 3820 */ 3821 static int 3822 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3823 int q_num) 3824 { 3825 struct ice_netdev_priv *np = netdev_priv(netdev); 3826 struct ice_vsi *vsi = np->vsi; 3827 3828 if (q_num < 0) { 3829 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3830 int v_idx; 3831 3832 if (q_vector) { 3833 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3834 ec->use_adaptive_rx_coalesce, 3835 ec->rx_coalesce_usecs, "rx"); 3836 3837 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3838 ec->use_adaptive_tx_coalesce, 3839 ec->tx_coalesce_usecs, "tx"); 3840 } 3841 3842 ice_for_each_q_vector(vsi, v_idx) { 3843 /* In some cases if DCB is configured the num_[rx|tx]q 3844 * can be less than vsi->num_q_vectors. This check 3845 * accounts for that so we don't report a false failure 3846 */ 3847 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3848 goto set_complete; 3849 3850 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3851 return -EINVAL; 3852 3853 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]); 3854 } 3855 goto set_complete; 3856 } 3857 3858 if (ice_set_q_coalesce(vsi, ec, q_num)) 3859 return -EINVAL; 3860 3861 ice_set_q_vector_intrl(vsi->q_vectors[q_num]); 3862 3863 set_complete: 3864 return 0; 3865 } 3866 3867 static int ice_set_coalesce(struct net_device *netdev, 3868 struct ethtool_coalesce *ec, 3869 struct kernel_ethtool_coalesce *kernel_coal, 3870 struct netlink_ext_ack *extack) 3871 { 3872 return __ice_set_coalesce(netdev, ec, -1); 3873 } 3874 3875 static int 3876 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3877 struct ethtool_coalesce *ec) 3878 { 3879 return __ice_set_coalesce(netdev, ec, q_num); 3880 } 3881 3882 static void 3883 ice_repr_get_drvinfo(struct net_device *netdev, 3884 struct ethtool_drvinfo *drvinfo) 3885 { 3886 struct ice_repr *repr = ice_netdev_to_repr(netdev); 3887 3888 if (ice_check_vf_ready_for_cfg(repr->vf)) 3889 return; 3890 3891 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi); 3892 } 3893 3894 static void 3895 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 3896 { 3897 struct ice_repr *repr = ice_netdev_to_repr(netdev); 3898 3899 /* for port representors only ETH_SS_STATS is supported */ 3900 if (ice_check_vf_ready_for_cfg(repr->vf) || 3901 stringset != ETH_SS_STATS) 3902 return; 3903 3904 __ice_get_strings(netdev, stringset, data, repr->src_vsi); 3905 } 3906 3907 static void 3908 ice_repr_get_ethtool_stats(struct net_device *netdev, 3909 struct ethtool_stats __always_unused *stats, 3910 u64 *data) 3911 { 3912 struct ice_repr *repr = ice_netdev_to_repr(netdev); 3913 3914 if (ice_check_vf_ready_for_cfg(repr->vf)) 3915 return; 3916 3917 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi); 3918 } 3919 3920 static int ice_repr_get_sset_count(struct net_device *netdev, int sset) 3921 { 3922 switch (sset) { 3923 case ETH_SS_STATS: 3924 return ICE_VSI_STATS_LEN; 3925 default: 3926 return -EOPNOTSUPP; 3927 } 3928 } 3929 3930 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 3931 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 3932 #define ICE_MODULE_TYPE_SFP 0x03 3933 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 3934 #define ICE_MODULE_TYPE_QSFP28 0x11 3935 #define ICE_MODULE_SFF_ADDR_MODE 0x04 3936 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 3937 #define ICE_MODULE_REVISION_ADDR 0x01 3938 #define ICE_MODULE_SFF_8472_COMP 0x5E 3939 #define ICE_MODULE_SFF_8472_SWAP 0x5C 3940 #define ICE_MODULE_QSFP_MAX_LEN 640 3941 3942 /** 3943 * ice_get_module_info - get SFF module type and revision information 3944 * @netdev: network interface device structure 3945 * @modinfo: module EEPROM size and layout information structure 3946 */ 3947 static int 3948 ice_get_module_info(struct net_device *netdev, 3949 struct ethtool_modinfo *modinfo) 3950 { 3951 struct ice_netdev_priv *np = netdev_priv(netdev); 3952 struct ice_vsi *vsi = np->vsi; 3953 struct ice_pf *pf = vsi->back; 3954 struct ice_hw *hw = &pf->hw; 3955 u8 sff8472_comp = 0; 3956 u8 sff8472_swap = 0; 3957 u8 sff8636_rev = 0; 3958 u8 value = 0; 3959 int status; 3960 3961 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 3962 0, &value, 1, 0, NULL); 3963 if (status) 3964 return status; 3965 3966 switch (value) { 3967 case ICE_MODULE_TYPE_SFP: 3968 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3969 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 3970 &sff8472_comp, 1, 0, NULL); 3971 if (status) 3972 return status; 3973 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3974 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 3975 &sff8472_swap, 1, 0, NULL); 3976 if (status) 3977 return status; 3978 3979 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 3980 modinfo->type = ETH_MODULE_SFF_8079; 3981 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3982 } else if (sff8472_comp && 3983 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 3984 modinfo->type = ETH_MODULE_SFF_8472; 3985 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 3986 } else { 3987 modinfo->type = ETH_MODULE_SFF_8079; 3988 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3989 } 3990 break; 3991 case ICE_MODULE_TYPE_QSFP_PLUS: 3992 case ICE_MODULE_TYPE_QSFP28: 3993 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3994 ICE_MODULE_REVISION_ADDR, 0x00, 0, 3995 &sff8636_rev, 1, 0, NULL); 3996 if (status) 3997 return status; 3998 /* Check revision compliance */ 3999 if (sff8636_rev > 0x02) { 4000 /* Module is SFF-8636 compliant */ 4001 modinfo->type = ETH_MODULE_SFF_8636; 4002 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4003 } else { 4004 modinfo->type = ETH_MODULE_SFF_8436; 4005 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4006 } 4007 break; 4008 default: 4009 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 4010 return -EINVAL; 4011 } 4012 return 0; 4013 } 4014 4015 /** 4016 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 4017 * @netdev: network interface device structure 4018 * @ee: EEPROM dump request structure 4019 * @data: buffer to be filled with EEPROM contents 4020 */ 4021 static int 4022 ice_get_module_eeprom(struct net_device *netdev, 4023 struct ethtool_eeprom *ee, u8 *data) 4024 { 4025 struct ice_netdev_priv *np = netdev_priv(netdev); 4026 #define SFF_READ_BLOCK_SIZE 8 4027 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 4028 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 4029 struct ice_vsi *vsi = np->vsi; 4030 struct ice_pf *pf = vsi->back; 4031 struct ice_hw *hw = &pf->hw; 4032 bool is_sfp = false; 4033 unsigned int i, j; 4034 u16 offset = 0; 4035 u8 page = 0; 4036 int status; 4037 4038 if (!ee || !ee->len || !data) 4039 return -EINVAL; 4040 4041 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 4042 NULL); 4043 if (status) 4044 return status; 4045 4046 if (value[0] == ICE_MODULE_TYPE_SFP) 4047 is_sfp = true; 4048 4049 memset(data, 0, ee->len); 4050 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 4051 offset = i + ee->offset; 4052 page = 0; 4053 4054 /* Check if we need to access the other memory page */ 4055 if (is_sfp) { 4056 if (offset >= ETH_MODULE_SFF_8079_LEN) { 4057 offset -= ETH_MODULE_SFF_8079_LEN; 4058 addr = ICE_I2C_EEPROM_DEV_ADDR2; 4059 } 4060 } else { 4061 while (offset >= ETH_MODULE_SFF_8436_LEN) { 4062 /* Compute memory page number and offset. */ 4063 offset -= ETH_MODULE_SFF_8436_LEN / 2; 4064 page++; 4065 } 4066 } 4067 4068 /* Bit 2 of EEPROM address 0x02 declares upper 4069 * pages are disabled on QSFP modules. 4070 * SFP modules only ever use page 0. 4071 */ 4072 if (page == 0 || !(data[0x2] & 0x4)) { 4073 /* If i2c bus is busy due to slow page change or 4074 * link management access, call can fail. This is normal. 4075 * So we retry this a few times. 4076 */ 4077 for (j = 0; j < 4; j++) { 4078 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 4079 !is_sfp, value, 4080 SFF_READ_BLOCK_SIZE, 4081 0, NULL); 4082 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n", 4083 addr, offset, page, is_sfp, 4084 value[0], value[1], value[2], value[3], 4085 value[4], value[5], value[6], value[7], 4086 status); 4087 if (status) { 4088 usleep_range(1500, 2500); 4089 memset(value, 0, SFF_READ_BLOCK_SIZE); 4090 continue; 4091 } 4092 break; 4093 } 4094 4095 /* Make sure we have enough room for the new block */ 4096 if ((i + SFF_READ_BLOCK_SIZE) < ee->len) 4097 memcpy(data + i, value, SFF_READ_BLOCK_SIZE); 4098 } 4099 } 4100 return 0; 4101 } 4102 4103 static const struct ethtool_ops ice_ethtool_ops = { 4104 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 4105 ETHTOOL_COALESCE_USE_ADAPTIVE | 4106 ETHTOOL_COALESCE_RX_USECS_HIGH, 4107 .get_link_ksettings = ice_get_link_ksettings, 4108 .set_link_ksettings = ice_set_link_ksettings, 4109 .get_drvinfo = ice_get_drvinfo, 4110 .get_regs_len = ice_get_regs_len, 4111 .get_regs = ice_get_regs, 4112 .get_wol = ice_get_wol, 4113 .set_wol = ice_set_wol, 4114 .get_msglevel = ice_get_msglevel, 4115 .set_msglevel = ice_set_msglevel, 4116 .self_test = ice_self_test, 4117 .get_link = ethtool_op_get_link, 4118 .get_eeprom_len = ice_get_eeprom_len, 4119 .get_eeprom = ice_get_eeprom, 4120 .get_coalesce = ice_get_coalesce, 4121 .set_coalesce = ice_set_coalesce, 4122 .get_strings = ice_get_strings, 4123 .set_phys_id = ice_set_phys_id, 4124 .get_ethtool_stats = ice_get_ethtool_stats, 4125 .get_priv_flags = ice_get_priv_flags, 4126 .set_priv_flags = ice_set_priv_flags, 4127 .get_sset_count = ice_get_sset_count, 4128 .get_rxnfc = ice_get_rxnfc, 4129 .set_rxnfc = ice_set_rxnfc, 4130 .get_ringparam = ice_get_ringparam, 4131 .set_ringparam = ice_set_ringparam, 4132 .nway_reset = ice_nway_reset, 4133 .get_pauseparam = ice_get_pauseparam, 4134 .set_pauseparam = ice_set_pauseparam, 4135 .get_rxfh_key_size = ice_get_rxfh_key_size, 4136 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4137 .get_rxfh_context = ice_get_rxfh_context, 4138 .get_rxfh = ice_get_rxfh, 4139 .set_rxfh = ice_set_rxfh, 4140 .get_channels = ice_get_channels, 4141 .set_channels = ice_set_channels, 4142 .get_ts_info = ice_get_ts_info, 4143 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4144 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4145 .get_fecparam = ice_get_fecparam, 4146 .set_fecparam = ice_set_fecparam, 4147 .get_module_info = ice_get_module_info, 4148 .get_module_eeprom = ice_get_module_eeprom, 4149 }; 4150 4151 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4152 .get_link_ksettings = ice_get_link_ksettings, 4153 .set_link_ksettings = ice_set_link_ksettings, 4154 .get_drvinfo = ice_get_drvinfo, 4155 .get_regs_len = ice_get_regs_len, 4156 .get_regs = ice_get_regs, 4157 .get_wol = ice_get_wol, 4158 .set_wol = ice_set_wol, 4159 .get_msglevel = ice_get_msglevel, 4160 .set_msglevel = ice_set_msglevel, 4161 .get_link = ethtool_op_get_link, 4162 .get_eeprom_len = ice_get_eeprom_len, 4163 .get_eeprom = ice_get_eeprom, 4164 .get_strings = ice_get_strings, 4165 .get_ethtool_stats = ice_get_ethtool_stats, 4166 .get_sset_count = ice_get_sset_count, 4167 .get_ringparam = ice_get_ringparam, 4168 .set_ringparam = ice_set_ringparam, 4169 .nway_reset = ice_nway_reset, 4170 .get_channels = ice_get_channels, 4171 }; 4172 4173 /** 4174 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4175 * @netdev: network interface device structure 4176 */ 4177 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4178 { 4179 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4180 } 4181 4182 static const struct ethtool_ops ice_ethtool_repr_ops = { 4183 .get_drvinfo = ice_repr_get_drvinfo, 4184 .get_link = ethtool_op_get_link, 4185 .get_strings = ice_repr_get_strings, 4186 .get_ethtool_stats = ice_repr_get_ethtool_stats, 4187 .get_sset_count = ice_repr_get_sset_count, 4188 }; 4189 4190 /** 4191 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops 4192 * @netdev: network interface device structure 4193 */ 4194 void ice_set_ethtool_repr_ops(struct net_device *netdev) 4195 { 4196 netdev->ethtool_ops = &ice_ethtool_repr_ops; 4197 } 4198 4199 /** 4200 * ice_set_ethtool_ops - setup netdev ethtool ops 4201 * @netdev: network interface device structure 4202 * 4203 * setup netdev ethtool ops with ice specific ops 4204 */ 4205 void ice_set_ethtool_ops(struct net_device *netdev) 4206 { 4207 netdev->ethtool_ops = &ice_ethtool_ops; 4208 } 4209