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 ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped), 140 ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts), 141 ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed), 142 ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded), 143 ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates), 144 }; 145 146 static const u32 ice_regs_dump_list[] = { 147 PFGEN_STATE, 148 PRTGEN_STATUS, 149 QRX_CTRL(0), 150 QINT_TQCTL(0), 151 QINT_RQCTL(0), 152 PFINT_OICR_ENA, 153 QRX_ITR(0), 154 }; 155 156 struct ice_priv_flag { 157 char name[ETH_GSTRING_LEN]; 158 u32 bitno; /* bit position in pf->flags */ 159 }; 160 161 #define ICE_PRIV_FLAG(_name, _bitno) { \ 162 .name = _name, \ 163 .bitno = _bitno, \ 164 } 165 166 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 167 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 168 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 169 ICE_PRIV_FLAG("vf-true-promisc-support", 170 ICE_FLAG_VF_TRUE_PROMISC_ENA), 171 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 172 ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING), 173 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), 174 }; 175 176 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 177 178 static void 179 __ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo, 180 struct ice_vsi *vsi) 181 { 182 struct ice_pf *pf = vsi->back; 183 struct ice_hw *hw = &pf->hw; 184 struct ice_orom_info *orom; 185 struct ice_nvm_info *nvm; 186 187 nvm = &hw->flash.nvm; 188 orom = &hw->flash.orom; 189 190 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 191 192 /* Display NVM version (from which the firmware version can be 193 * determined) which contains more pertinent information. 194 */ 195 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 196 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor, 197 nvm->eetrack, orom->major, orom->build, orom->patch); 198 199 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 200 sizeof(drvinfo->bus_info)); 201 } 202 203 static void 204 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 205 { 206 struct ice_netdev_priv *np = netdev_priv(netdev); 207 208 __ice_get_drvinfo(netdev, drvinfo, np->vsi); 209 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 210 } 211 212 static int ice_get_regs_len(struct net_device __always_unused *netdev) 213 { 214 return sizeof(ice_regs_dump_list); 215 } 216 217 static void 218 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 219 { 220 struct ice_netdev_priv *np = netdev_priv(netdev); 221 struct ice_pf *pf = np->vsi->back; 222 struct ice_hw *hw = &pf->hw; 223 u32 *regs_buf = (u32 *)p; 224 unsigned int i; 225 226 regs->version = 1; 227 228 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 229 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 230 } 231 232 static u32 ice_get_msglevel(struct net_device *netdev) 233 { 234 struct ice_netdev_priv *np = netdev_priv(netdev); 235 struct ice_pf *pf = np->vsi->back; 236 237 #ifndef CONFIG_DYNAMIC_DEBUG 238 if (pf->hw.debug_mask) 239 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 240 pf->hw.debug_mask); 241 #endif /* !CONFIG_DYNAMIC_DEBUG */ 242 243 return pf->msg_enable; 244 } 245 246 static void ice_set_msglevel(struct net_device *netdev, u32 data) 247 { 248 struct ice_netdev_priv *np = netdev_priv(netdev); 249 struct ice_pf *pf = np->vsi->back; 250 251 #ifndef CONFIG_DYNAMIC_DEBUG 252 if (ICE_DBG_USER & data) 253 pf->hw.debug_mask = data; 254 else 255 pf->msg_enable = data; 256 #else 257 pf->msg_enable = data; 258 #endif /* !CONFIG_DYNAMIC_DEBUG */ 259 } 260 261 static int ice_get_eeprom_len(struct net_device *netdev) 262 { 263 struct ice_netdev_priv *np = netdev_priv(netdev); 264 struct ice_pf *pf = np->vsi->back; 265 266 return (int)pf->hw.flash.flash_size; 267 } 268 269 static int 270 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 271 u8 *bytes) 272 { 273 struct ice_netdev_priv *np = netdev_priv(netdev); 274 struct ice_vsi *vsi = np->vsi; 275 struct ice_pf *pf = vsi->back; 276 struct ice_hw *hw = &pf->hw; 277 struct device *dev; 278 int ret; 279 u8 *buf; 280 281 dev = ice_pf_to_dev(pf); 282 283 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 284 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 285 eeprom->cmd, eeprom->offset, eeprom->len); 286 287 buf = kzalloc(eeprom->len, GFP_KERNEL); 288 if (!buf) 289 return -ENOMEM; 290 291 ret = ice_acquire_nvm(hw, ICE_RES_READ); 292 if (ret) { 293 dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n", 294 ret, ice_aq_str(hw->adminq.sq_last_status)); 295 goto out; 296 } 297 298 ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 299 false); 300 if (ret) { 301 dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n", 302 ret, ice_aq_str(hw->adminq.sq_last_status)); 303 goto release; 304 } 305 306 memcpy(bytes, buf, eeprom->len); 307 release: 308 ice_release_nvm(hw); 309 out: 310 kfree(buf); 311 return ret; 312 } 313 314 /** 315 * ice_active_vfs - check if there are any active VFs 316 * @pf: board private structure 317 * 318 * Returns true if an active VF is found, otherwise returns false 319 */ 320 static bool ice_active_vfs(struct ice_pf *pf) 321 { 322 bool active = false; 323 struct ice_vf *vf; 324 unsigned int bkt; 325 326 rcu_read_lock(); 327 ice_for_each_vf_rcu(pf, bkt, vf) { 328 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { 329 active = true; 330 break; 331 } 332 } 333 rcu_read_unlock(); 334 335 return active; 336 } 337 338 /** 339 * ice_link_test - perform a link test on a given net_device 340 * @netdev: network interface device structure 341 * 342 * This function performs one of the self-tests required by ethtool. 343 * Returns 0 on success, non-zero on failure. 344 */ 345 static u64 ice_link_test(struct net_device *netdev) 346 { 347 struct ice_netdev_priv *np = netdev_priv(netdev); 348 bool link_up = false; 349 int status; 350 351 netdev_info(netdev, "link test\n"); 352 status = ice_get_link_status(np->vsi->port_info, &link_up); 353 if (status) { 354 netdev_err(netdev, "link query error, status = %d\n", 355 status); 356 return 1; 357 } 358 359 if (!link_up) 360 return 2; 361 362 return 0; 363 } 364 365 /** 366 * ice_eeprom_test - perform an EEPROM test on a given net_device 367 * @netdev: network interface device structure 368 * 369 * This function performs one of the self-tests required by ethtool. 370 * Returns 0 on success, non-zero on failure. 371 */ 372 static u64 ice_eeprom_test(struct net_device *netdev) 373 { 374 struct ice_netdev_priv *np = netdev_priv(netdev); 375 struct ice_pf *pf = np->vsi->back; 376 377 netdev_info(netdev, "EEPROM test\n"); 378 return !!(ice_nvm_validate_checksum(&pf->hw)); 379 } 380 381 /** 382 * ice_reg_pattern_test 383 * @hw: pointer to the HW struct 384 * @reg: reg to be tested 385 * @mask: bits to be touched 386 */ 387 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 388 { 389 struct ice_pf *pf = (struct ice_pf *)hw->back; 390 struct device *dev = ice_pf_to_dev(pf); 391 static const u32 patterns[] = { 392 0x5A5A5A5A, 0xA5A5A5A5, 393 0x00000000, 0xFFFFFFFF 394 }; 395 u32 val, orig_val; 396 unsigned int i; 397 398 orig_val = rd32(hw, reg); 399 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 400 u32 pattern = patterns[i] & mask; 401 402 wr32(hw, reg, pattern); 403 val = rd32(hw, reg); 404 if (val == pattern) 405 continue; 406 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 407 , __func__, reg, pattern, val); 408 return 1; 409 } 410 411 wr32(hw, reg, orig_val); 412 val = rd32(hw, reg); 413 if (val != orig_val) { 414 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 415 , __func__, reg, orig_val, val); 416 return 1; 417 } 418 419 return 0; 420 } 421 422 /** 423 * ice_reg_test - perform a register test on a given net_device 424 * @netdev: network interface device structure 425 * 426 * This function performs one of the self-tests required by ethtool. 427 * Returns 0 on success, non-zero on failure. 428 */ 429 static u64 ice_reg_test(struct net_device *netdev) 430 { 431 struct ice_netdev_priv *np = netdev_priv(netdev); 432 struct ice_hw *hw = np->vsi->port_info->hw; 433 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 434 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 435 struct ice_diag_reg_test_info { 436 u32 address; 437 u32 mask; 438 u32 elem_num; 439 u32 elem_size; 440 } ice_reg_list[] = { 441 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 442 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 443 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 444 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 445 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 446 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 447 {GLINT_CTL, 0xffff0001, 1, 0} 448 }; 449 unsigned int i; 450 451 netdev_dbg(netdev, "Register test\n"); 452 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 453 u32 j; 454 455 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 456 u32 mask = ice_reg_list[i].mask; 457 u32 reg = ice_reg_list[i].address + 458 (j * ice_reg_list[i].elem_size); 459 460 /* bail on failure (non-zero return) */ 461 if (ice_reg_pattern_test(hw, reg, mask)) 462 return 1; 463 } 464 } 465 466 return 0; 467 } 468 469 /** 470 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 471 * @vsi: pointer to the VSI structure 472 * 473 * Function configures rings of a VSI for loopback test without 474 * enabling interrupts or informing the kernel about new queues. 475 * 476 * Returns 0 on success, negative on failure. 477 */ 478 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 479 { 480 int status; 481 482 status = ice_vsi_setup_tx_rings(vsi); 483 if (status) 484 goto err_setup_tx_ring; 485 486 status = ice_vsi_setup_rx_rings(vsi); 487 if (status) 488 goto err_setup_rx_ring; 489 490 status = ice_vsi_cfg(vsi); 491 if (status) 492 goto err_setup_rx_ring; 493 494 status = ice_vsi_start_all_rx_rings(vsi); 495 if (status) 496 goto err_start_rx_ring; 497 498 return status; 499 500 err_start_rx_ring: 501 ice_vsi_free_rx_rings(vsi); 502 err_setup_rx_ring: 503 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 504 err_setup_tx_ring: 505 ice_vsi_free_tx_rings(vsi); 506 507 return status; 508 } 509 510 /** 511 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 512 * @vsi: pointer to the VSI structure 513 * 514 * Function stops and frees VSI rings after a loopback test. 515 * Returns 0 on success, negative on failure. 516 */ 517 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 518 { 519 int status; 520 521 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 522 if (status) 523 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 524 vsi->vsi_num, status); 525 526 status = ice_vsi_stop_all_rx_rings(vsi); 527 if (status) 528 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 529 vsi->vsi_num, status); 530 531 ice_vsi_free_tx_rings(vsi); 532 ice_vsi_free_rx_rings(vsi); 533 534 return status; 535 } 536 537 /** 538 * ice_lbtest_create_frame - create test packet 539 * @pf: pointer to the PF structure 540 * @ret_data: allocated frame buffer 541 * @size: size of the packet data 542 * 543 * Function allocates a frame with a test pattern on specific offsets. 544 * Returns 0 on success, non-zero on failure. 545 */ 546 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 547 { 548 u8 *data; 549 550 if (!pf) 551 return -EINVAL; 552 553 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); 554 if (!data) 555 return -ENOMEM; 556 557 /* Since the ethernet test frame should always be at least 558 * 64 bytes long, fill some octets in the payload with test data. 559 */ 560 memset(data, 0xFF, size); 561 data[32] = 0xDE; 562 data[42] = 0xAD; 563 data[44] = 0xBE; 564 data[46] = 0xEF; 565 566 *ret_data = data; 567 568 return 0; 569 } 570 571 /** 572 * ice_lbtest_check_frame - verify received loopback frame 573 * @frame: pointer to the raw packet data 574 * 575 * Function verifies received test frame with a pattern. 576 * Returns true if frame matches the pattern, false otherwise. 577 */ 578 static bool ice_lbtest_check_frame(u8 *frame) 579 { 580 /* Validate bytes of a frame under offsets chosen earlier */ 581 if (frame[32] == 0xDE && 582 frame[42] == 0xAD && 583 frame[44] == 0xBE && 584 frame[46] == 0xEF && 585 frame[48] == 0xFF) 586 return true; 587 588 return false; 589 } 590 591 /** 592 * ice_diag_send - send test frames to the test ring 593 * @tx_ring: pointer to the transmit ring 594 * @data: pointer to the raw packet data 595 * @size: size of the packet to send 596 * 597 * Function sends loopback packets on a test Tx ring. 598 */ 599 static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size) 600 { 601 struct ice_tx_desc *tx_desc; 602 struct ice_tx_buf *tx_buf; 603 dma_addr_t dma; 604 u64 td_cmd; 605 606 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 607 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 608 609 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 610 if (dma_mapping_error(tx_ring->dev, dma)) 611 return -EINVAL; 612 613 tx_desc->buf_addr = cpu_to_le64(dma); 614 615 /* These flags are required for a descriptor to be pushed out */ 616 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 617 tx_desc->cmd_type_offset_bsz = 618 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 619 (td_cmd << ICE_TXD_QW1_CMD_S) | 620 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 621 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 622 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 623 624 tx_buf->next_to_watch = tx_desc; 625 626 /* Force memory write to complete before letting h/w know 627 * there are new descriptors to fetch. 628 */ 629 wmb(); 630 631 tx_ring->next_to_use++; 632 if (tx_ring->next_to_use >= tx_ring->count) 633 tx_ring->next_to_use = 0; 634 635 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 636 637 /* Wait until the packets get transmitted to the receive queue. */ 638 usleep_range(1000, 2000); 639 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 640 641 return 0; 642 } 643 644 #define ICE_LB_FRAME_SIZE 64 645 /** 646 * ice_lbtest_receive_frames - receive and verify test frames 647 * @rx_ring: pointer to the receive ring 648 * 649 * Function receives loopback packets and verify their correctness. 650 * Returns number of received valid frames. 651 */ 652 static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring) 653 { 654 struct ice_rx_buf *rx_buf; 655 int valid_frames, i; 656 u8 *received_buf; 657 658 valid_frames = 0; 659 660 for (i = 0; i < rx_ring->count; i++) { 661 union ice_32b_rx_flex_desc *rx_desc; 662 663 rx_desc = ICE_RX_DESC(rx_ring, i); 664 665 if (!(rx_desc->wb.status_error0 & 666 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) | 667 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S))))) 668 continue; 669 670 rx_buf = &rx_ring->rx_buf[i]; 671 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 672 673 if (ice_lbtest_check_frame(received_buf)) 674 valid_frames++; 675 } 676 677 return valid_frames; 678 } 679 680 /** 681 * ice_loopback_test - perform a loopback test on a given net_device 682 * @netdev: network interface device structure 683 * 684 * This function performs one of the self-tests required by ethtool. 685 * Returns 0 on success, non-zero on failure. 686 */ 687 static u64 ice_loopback_test(struct net_device *netdev) 688 { 689 struct ice_netdev_priv *np = netdev_priv(netdev); 690 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 691 struct ice_pf *pf = orig_vsi->back; 692 u8 broadcast[ETH_ALEN], ret = 0; 693 int num_frames, valid_frames; 694 struct ice_tx_ring *tx_ring; 695 struct ice_rx_ring *rx_ring; 696 struct device *dev; 697 u8 *tx_frame; 698 int i; 699 700 dev = ice_pf_to_dev(pf); 701 netdev_info(netdev, "loopback test\n"); 702 703 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 704 if (!test_vsi) { 705 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 706 return 1; 707 } 708 709 test_vsi->netdev = netdev; 710 tx_ring = test_vsi->tx_rings[0]; 711 rx_ring = test_vsi->rx_rings[0]; 712 713 if (ice_lbtest_prepare_rings(test_vsi)) { 714 ret = 2; 715 goto lbtest_vsi_close; 716 } 717 718 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 719 ret = 3; 720 goto lbtest_rings_dis; 721 } 722 723 /* Enable MAC loopback in firmware */ 724 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 725 ret = 4; 726 goto lbtest_mac_dis; 727 } 728 729 /* Test VSI needs to receive broadcast packets */ 730 eth_broadcast_addr(broadcast); 731 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 732 ret = 5; 733 goto lbtest_mac_dis; 734 } 735 736 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 737 ret = 7; 738 goto remove_mac_filters; 739 } 740 741 num_frames = min_t(int, tx_ring->count, 32); 742 for (i = 0; i < num_frames; i++) { 743 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 744 ret = 8; 745 goto lbtest_free_frame; 746 } 747 } 748 749 valid_frames = ice_lbtest_receive_frames(rx_ring); 750 if (!valid_frames) 751 ret = 9; 752 else if (valid_frames != num_frames) 753 ret = 10; 754 755 lbtest_free_frame: 756 devm_kfree(dev, tx_frame); 757 remove_mac_filters: 758 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 759 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 760 lbtest_mac_dis: 761 /* Disable MAC loopback after the test is completed. */ 762 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 763 netdev_err(netdev, "Could not disable MAC loopback\n"); 764 lbtest_rings_dis: 765 if (ice_lbtest_disable_rings(test_vsi)) 766 netdev_err(netdev, "Could not disable test rings\n"); 767 lbtest_vsi_close: 768 test_vsi->netdev = NULL; 769 if (ice_vsi_release(test_vsi)) 770 netdev_err(netdev, "Failed to remove the test VSI\n"); 771 772 return ret; 773 } 774 775 /** 776 * ice_intr_test - perform an interrupt test on a given net_device 777 * @netdev: network interface device structure 778 * 779 * This function performs one of the self-tests required by ethtool. 780 * Returns 0 on success, non-zero on failure. 781 */ 782 static u64 ice_intr_test(struct net_device *netdev) 783 { 784 struct ice_netdev_priv *np = netdev_priv(netdev); 785 struct ice_pf *pf = np->vsi->back; 786 u16 swic_old = pf->sw_int_count; 787 788 netdev_info(netdev, "interrupt test\n"); 789 790 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 791 GLINT_DYN_CTL_SW_ITR_INDX_M | 792 GLINT_DYN_CTL_INTENA_MSK_M | 793 GLINT_DYN_CTL_SWINT_TRIG_M); 794 795 usleep_range(1000, 2000); 796 return (swic_old == pf->sw_int_count); 797 } 798 799 /** 800 * ice_self_test - handler function for performing a self-test by ethtool 801 * @netdev: network interface device structure 802 * @eth_test: ethtool_test structure 803 * @data: required by ethtool.self_test 804 * 805 * This function is called after invoking 'ethtool -t devname' command where 806 * devname is the name of the network device on which ethtool should operate. 807 * It performs a set of self-tests to check if a device works properly. 808 */ 809 static void 810 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 811 u64 *data) 812 { 813 struct ice_netdev_priv *np = netdev_priv(netdev); 814 bool if_running = netif_running(netdev); 815 struct ice_pf *pf = np->vsi->back; 816 struct device *dev; 817 818 dev = ice_pf_to_dev(pf); 819 820 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 821 netdev_info(netdev, "offline testing starting\n"); 822 823 set_bit(ICE_TESTING, pf->state); 824 825 if (ice_active_vfs(pf)) { 826 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 827 data[ICE_ETH_TEST_REG] = 1; 828 data[ICE_ETH_TEST_EEPROM] = 1; 829 data[ICE_ETH_TEST_INTR] = 1; 830 data[ICE_ETH_TEST_LOOP] = 1; 831 data[ICE_ETH_TEST_LINK] = 1; 832 eth_test->flags |= ETH_TEST_FL_FAILED; 833 clear_bit(ICE_TESTING, pf->state); 834 goto skip_ol_tests; 835 } 836 /* If the device is online then take it offline */ 837 if (if_running) 838 /* indicate we're in test mode */ 839 ice_stop(netdev); 840 841 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 842 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 843 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 844 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 845 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 846 847 if (data[ICE_ETH_TEST_LINK] || 848 data[ICE_ETH_TEST_EEPROM] || 849 data[ICE_ETH_TEST_LOOP] || 850 data[ICE_ETH_TEST_INTR] || 851 data[ICE_ETH_TEST_REG]) 852 eth_test->flags |= ETH_TEST_FL_FAILED; 853 854 clear_bit(ICE_TESTING, pf->state); 855 856 if (if_running) { 857 int status = ice_open(netdev); 858 859 if (status) { 860 dev_err(dev, "Could not open device %s, err %d\n", 861 pf->int_name, status); 862 } 863 } 864 } else { 865 /* Online tests */ 866 netdev_info(netdev, "online testing starting\n"); 867 868 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 869 if (data[ICE_ETH_TEST_LINK]) 870 eth_test->flags |= ETH_TEST_FL_FAILED; 871 872 /* Offline only tests, not run in online; pass by default */ 873 data[ICE_ETH_TEST_REG] = 0; 874 data[ICE_ETH_TEST_EEPROM] = 0; 875 data[ICE_ETH_TEST_INTR] = 0; 876 data[ICE_ETH_TEST_LOOP] = 0; 877 } 878 879 skip_ol_tests: 880 netdev_info(netdev, "testing finished\n"); 881 } 882 883 static void 884 __ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data, 885 struct ice_vsi *vsi) 886 { 887 unsigned int i; 888 u8 *p = data; 889 890 switch (stringset) { 891 case ETH_SS_STATS: 892 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 893 ethtool_sprintf(&p, 894 ice_gstrings_vsi_stats[i].stat_string); 895 896 if (ice_is_port_repr_netdev(netdev)) 897 return; 898 899 ice_for_each_alloc_txq(vsi, i) { 900 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 901 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 902 } 903 904 ice_for_each_alloc_rxq(vsi, i) { 905 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 906 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 907 } 908 909 if (vsi->type != ICE_VSI_PF) 910 return; 911 912 for (i = 0; i < ICE_PF_STATS_LEN; i++) 913 ethtool_sprintf(&p, 914 ice_gstrings_pf_stats[i].stat_string); 915 916 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 917 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 918 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 919 } 920 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 921 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 922 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 923 } 924 break; 925 case ETH_SS_TEST: 926 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 927 break; 928 case ETH_SS_PRIV_FLAGS: 929 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 930 ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name); 931 break; 932 default: 933 break; 934 } 935 } 936 937 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 938 { 939 struct ice_netdev_priv *np = netdev_priv(netdev); 940 941 __ice_get_strings(netdev, stringset, data, np->vsi); 942 } 943 944 static int 945 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 946 { 947 struct ice_netdev_priv *np = netdev_priv(netdev); 948 bool led_active; 949 950 switch (state) { 951 case ETHTOOL_ID_ACTIVE: 952 led_active = true; 953 break; 954 case ETHTOOL_ID_INACTIVE: 955 led_active = false; 956 break; 957 default: 958 return -EINVAL; 959 } 960 961 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 962 return -EIO; 963 964 return 0; 965 } 966 967 /** 968 * ice_set_fec_cfg - Set link FEC options 969 * @netdev: network interface device structure 970 * @req_fec: FEC mode to configure 971 */ 972 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 973 { 974 struct ice_netdev_priv *np = netdev_priv(netdev); 975 struct ice_aqc_set_phy_cfg_data config = { 0 }; 976 struct ice_vsi *vsi = np->vsi; 977 struct ice_port_info *pi; 978 979 pi = vsi->port_info; 980 if (!pi) 981 return -EOPNOTSUPP; 982 983 /* Changing the FEC parameters is not supported if not the PF VSI */ 984 if (vsi->type != ICE_VSI_PF) { 985 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 986 return -EOPNOTSUPP; 987 } 988 989 /* Proceed only if requesting different FEC mode */ 990 if (pi->phy.curr_user_fec_req == req_fec) 991 return 0; 992 993 /* Copy the current user PHY configuration. The current user PHY 994 * configuration is initialized during probe from PHY capabilities 995 * software mode, and updated on set PHY configuration. 996 */ 997 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 998 999 ice_cfg_phy_fec(pi, &config, req_fec); 1000 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1001 1002 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1003 return -EAGAIN; 1004 1005 /* Save requested FEC config */ 1006 pi->phy.curr_user_fec_req = req_fec; 1007 1008 return 0; 1009 } 1010 1011 /** 1012 * ice_set_fecparam - Set FEC link options 1013 * @netdev: network interface device structure 1014 * @fecparam: Ethtool structure to retrieve FEC parameters 1015 */ 1016 static int 1017 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1018 { 1019 struct ice_netdev_priv *np = netdev_priv(netdev); 1020 struct ice_vsi *vsi = np->vsi; 1021 enum ice_fec_mode fec; 1022 1023 switch (fecparam->fec) { 1024 case ETHTOOL_FEC_AUTO: 1025 fec = ICE_FEC_AUTO; 1026 break; 1027 case ETHTOOL_FEC_RS: 1028 fec = ICE_FEC_RS; 1029 break; 1030 case ETHTOOL_FEC_BASER: 1031 fec = ICE_FEC_BASER; 1032 break; 1033 case ETHTOOL_FEC_OFF: 1034 case ETHTOOL_FEC_NONE: 1035 fec = ICE_FEC_NONE; 1036 break; 1037 default: 1038 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1039 fecparam->fec); 1040 return -EINVAL; 1041 } 1042 1043 return ice_set_fec_cfg(netdev, fec); 1044 } 1045 1046 /** 1047 * ice_get_fecparam - Get link FEC options 1048 * @netdev: network interface device structure 1049 * @fecparam: Ethtool structure to retrieve FEC parameters 1050 */ 1051 static int 1052 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1053 { 1054 struct ice_netdev_priv *np = netdev_priv(netdev); 1055 struct ice_aqc_get_phy_caps_data *caps; 1056 struct ice_link_status *link_info; 1057 struct ice_vsi *vsi = np->vsi; 1058 struct ice_port_info *pi; 1059 int err; 1060 1061 pi = vsi->port_info; 1062 1063 if (!pi) 1064 return -EOPNOTSUPP; 1065 link_info = &pi->phy.link_info; 1066 1067 /* Set FEC mode based on negotiated link info */ 1068 switch (link_info->fec_info) { 1069 case ICE_AQ_LINK_25G_KR_FEC_EN: 1070 fecparam->active_fec = ETHTOOL_FEC_BASER; 1071 break; 1072 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1073 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1074 fecparam->active_fec = ETHTOOL_FEC_RS; 1075 break; 1076 default: 1077 fecparam->active_fec = ETHTOOL_FEC_OFF; 1078 break; 1079 } 1080 1081 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1082 if (!caps) 1083 return -ENOMEM; 1084 1085 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1086 caps, NULL); 1087 if (err) 1088 goto done; 1089 1090 /* Set supported/configured FEC modes based on PHY capability */ 1091 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1092 fecparam->fec |= ETHTOOL_FEC_AUTO; 1093 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1094 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1095 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1096 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1097 fecparam->fec |= ETHTOOL_FEC_BASER; 1098 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1099 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1100 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1101 fecparam->fec |= ETHTOOL_FEC_RS; 1102 if (caps->link_fec_options == 0) 1103 fecparam->fec |= ETHTOOL_FEC_OFF; 1104 1105 done: 1106 kfree(caps); 1107 return err; 1108 } 1109 1110 /** 1111 * ice_nway_reset - restart autonegotiation 1112 * @netdev: network interface device structure 1113 */ 1114 static int ice_nway_reset(struct net_device *netdev) 1115 { 1116 struct ice_netdev_priv *np = netdev_priv(netdev); 1117 struct ice_vsi *vsi = np->vsi; 1118 int err; 1119 1120 /* If VSI state is up, then restart autoneg with link up */ 1121 if (!test_bit(ICE_DOWN, vsi->back->state)) 1122 err = ice_set_link(vsi, true); 1123 else 1124 err = ice_set_link(vsi, false); 1125 1126 return err; 1127 } 1128 1129 /** 1130 * ice_get_priv_flags - report device private flags 1131 * @netdev: network interface device structure 1132 * 1133 * The get string set count and the string set should be matched for each 1134 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1135 * array. 1136 * 1137 * Returns a u32 bitmap of flags. 1138 */ 1139 static u32 ice_get_priv_flags(struct net_device *netdev) 1140 { 1141 struct ice_netdev_priv *np = netdev_priv(netdev); 1142 struct ice_vsi *vsi = np->vsi; 1143 struct ice_pf *pf = vsi->back; 1144 u32 i, ret_flags = 0; 1145 1146 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1147 const struct ice_priv_flag *priv_flag; 1148 1149 priv_flag = &ice_gstrings_priv_flags[i]; 1150 1151 if (test_bit(priv_flag->bitno, pf->flags)) 1152 ret_flags |= BIT(i); 1153 } 1154 1155 return ret_flags; 1156 } 1157 1158 /** 1159 * ice_set_priv_flags - set private flags 1160 * @netdev: network interface device structure 1161 * @flags: bit flags to be set 1162 */ 1163 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1164 { 1165 struct ice_netdev_priv *np = netdev_priv(netdev); 1166 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1167 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1168 struct ice_vsi *vsi = np->vsi; 1169 struct ice_pf *pf = vsi->back; 1170 struct device *dev; 1171 int ret = 0; 1172 u32 i; 1173 1174 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1175 return -EINVAL; 1176 1177 dev = ice_pf_to_dev(pf); 1178 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1179 1180 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1181 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1182 const struct ice_priv_flag *priv_flag; 1183 1184 priv_flag = &ice_gstrings_priv_flags[i]; 1185 1186 if (flags & BIT(i)) 1187 set_bit(priv_flag->bitno, pf->flags); 1188 else 1189 clear_bit(priv_flag->bitno, pf->flags); 1190 } 1191 1192 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1193 1194 /* Do not allow change to link-down-on-close when Total Port Shutdown 1195 * is enabled. 1196 */ 1197 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1198 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1199 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1200 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1201 ret = -EINVAL; 1202 goto ethtool_exit; 1203 } 1204 1205 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1206 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1207 int status; 1208 1209 /* Disable FW LLDP engine */ 1210 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1211 1212 /* If unregistering for LLDP events fails, this is 1213 * not an error state, as there shouldn't be any 1214 * events to respond to. 1215 */ 1216 if (status) 1217 dev_info(dev, "Failed to unreg for LLDP events\n"); 1218 1219 /* The AQ call to stop the FW LLDP agent will generate 1220 * an error if the agent is already stopped. 1221 */ 1222 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1223 if (status) 1224 dev_warn(dev, "Fail to stop LLDP agent\n"); 1225 /* Use case for having the FW LLDP agent stopped 1226 * will likely not need DCB, so failure to init is 1227 * not a concern of ethtool 1228 */ 1229 status = ice_init_pf_dcb(pf, true); 1230 if (status) 1231 dev_warn(dev, "Fail to init DCB\n"); 1232 1233 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1234 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1235 } else { 1236 bool dcbx_agent_status; 1237 int status; 1238 1239 if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) { 1240 clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags); 1241 dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n"); 1242 ret = -EOPNOTSUPP; 1243 goto ethtool_exit; 1244 } 1245 1246 /* Remove rule to direct LLDP packets to default VSI. 1247 * The FW LLDP engine will now be consuming them. 1248 */ 1249 ice_cfg_sw_lldp(vsi, false, false); 1250 1251 /* AQ command to start FW LLDP agent will return an 1252 * error if the agent is already started 1253 */ 1254 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1255 if (status) 1256 dev_warn(dev, "Fail to start LLDP Agent\n"); 1257 1258 /* AQ command to start FW DCBX agent will fail if 1259 * the agent is already started 1260 */ 1261 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1262 &dcbx_agent_status, 1263 NULL); 1264 if (status) 1265 dev_dbg(dev, "Failed to start FW DCBX\n"); 1266 1267 dev_info(dev, "FW DCBX agent is %s\n", 1268 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1269 1270 /* Failure to configure MIB change or init DCB is not 1271 * relevant to ethtool. Print notification that 1272 * registration/init failed but do not return error 1273 * state to ethtool 1274 */ 1275 status = ice_init_pf_dcb(pf, true); 1276 if (status) 1277 dev_dbg(dev, "Fail to init DCB\n"); 1278 1279 /* Register for MIB change events */ 1280 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1281 if (status) 1282 dev_dbg(dev, "Fail to enable MIB change events\n"); 1283 1284 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1285 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1286 1287 ice_nway_reset(netdev); 1288 } 1289 } 1290 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1291 /* down and up VSI so that changes of Rx cfg are reflected. */ 1292 ice_down_up(vsi); 1293 } 1294 /* don't allow modification of this flag when a single VF is in 1295 * promiscuous mode because it's not supported 1296 */ 1297 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1298 ice_is_any_vf_in_unicast_promisc(pf)) { 1299 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1300 /* toggle bit back to previous state */ 1301 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1302 ret = -EAGAIN; 1303 } 1304 1305 if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) && 1306 ice_has_vfs(pf)) { 1307 dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n"); 1308 /* toggle bit back to previous state */ 1309 change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags); 1310 ret = -EOPNOTSUPP; 1311 } 1312 ethtool_exit: 1313 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1314 return ret; 1315 } 1316 1317 static int ice_get_sset_count(struct net_device *netdev, int sset) 1318 { 1319 switch (sset) { 1320 case ETH_SS_STATS: 1321 /* The number (and order) of strings reported *must* remain 1322 * constant for a given netdevice. This function must not 1323 * report a different number based on run time parameters 1324 * (such as the number of queues in use, or the setting of 1325 * a private ethtool flag). This is due to the nature of the 1326 * ethtool stats API. 1327 * 1328 * Userspace programs such as ethtool must make 3 separate 1329 * ioctl requests, one for size, one for the strings, and 1330 * finally one for the stats. Since these cross into 1331 * userspace, changes to the number or size could result in 1332 * undefined memory access or incorrect string<->value 1333 * correlations for statistics. 1334 * 1335 * Even if it appears to be safe, changes to the size or 1336 * order of strings will suffer from race conditions and are 1337 * not safe. 1338 */ 1339 return ICE_ALL_STATS_LEN(netdev); 1340 case ETH_SS_TEST: 1341 return ICE_TEST_LEN; 1342 case ETH_SS_PRIV_FLAGS: 1343 return ICE_PRIV_FLAG_ARRAY_SIZE; 1344 default: 1345 return -EOPNOTSUPP; 1346 } 1347 } 1348 1349 static void 1350 __ice_get_ethtool_stats(struct net_device *netdev, 1351 struct ethtool_stats __always_unused *stats, u64 *data, 1352 struct ice_vsi *vsi) 1353 { 1354 struct ice_pf *pf = vsi->back; 1355 struct ice_tx_ring *tx_ring; 1356 struct ice_rx_ring *rx_ring; 1357 unsigned int j; 1358 int i = 0; 1359 char *p; 1360 1361 ice_update_pf_stats(pf); 1362 ice_update_vsi_stats(vsi); 1363 1364 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1365 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1366 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1367 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1368 } 1369 1370 if (ice_is_port_repr_netdev(netdev)) 1371 return; 1372 1373 /* populate per queue stats */ 1374 rcu_read_lock(); 1375 1376 ice_for_each_alloc_txq(vsi, j) { 1377 tx_ring = READ_ONCE(vsi->tx_rings[j]); 1378 if (tx_ring) { 1379 data[i++] = tx_ring->stats.pkts; 1380 data[i++] = tx_ring->stats.bytes; 1381 } else { 1382 data[i++] = 0; 1383 data[i++] = 0; 1384 } 1385 } 1386 1387 ice_for_each_alloc_rxq(vsi, j) { 1388 rx_ring = READ_ONCE(vsi->rx_rings[j]); 1389 if (rx_ring) { 1390 data[i++] = rx_ring->stats.pkts; 1391 data[i++] = rx_ring->stats.bytes; 1392 } else { 1393 data[i++] = 0; 1394 data[i++] = 0; 1395 } 1396 } 1397 1398 rcu_read_unlock(); 1399 1400 if (vsi->type != ICE_VSI_PF) 1401 return; 1402 1403 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1404 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1405 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1406 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1407 } 1408 1409 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1410 data[i++] = pf->stats.priority_xon_tx[j]; 1411 data[i++] = pf->stats.priority_xoff_tx[j]; 1412 } 1413 1414 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1415 data[i++] = pf->stats.priority_xon_rx[j]; 1416 data[i++] = pf->stats.priority_xoff_rx[j]; 1417 } 1418 } 1419 1420 static void 1421 ice_get_ethtool_stats(struct net_device *netdev, 1422 struct ethtool_stats __always_unused *stats, u64 *data) 1423 { 1424 struct ice_netdev_priv *np = netdev_priv(netdev); 1425 1426 __ice_get_ethtool_stats(netdev, stats, data, np->vsi); 1427 } 1428 1429 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1430 ICE_PHY_TYPE_LOW_100M_SGMII) 1431 1432 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1433 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1434 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1435 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1436 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1437 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1438 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1439 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1440 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1441 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1442 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1443 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1444 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1445 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1446 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1447 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1448 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1449 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1450 1451 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1452 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1453 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1454 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1455 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1456 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1457 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1458 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1459 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1460 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1461 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1462 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1463 ICE_PHY_TYPE_LOW_100GBASE_DR) 1464 1465 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1466 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1467 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1468 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1469 ICE_PHY_TYPE_HIGH_100G_AUI2) 1470 1471 /** 1472 * ice_mask_min_supported_speeds 1473 * @hw: pointer to the HW structure 1474 * @phy_types_high: PHY type high 1475 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1476 * 1477 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1478 * for ethtool supported link mode. 1479 */ 1480 static void 1481 ice_mask_min_supported_speeds(struct ice_hw *hw, 1482 u64 phy_types_high, u64 *phy_types_low) 1483 { 1484 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1485 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G || 1486 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) 1487 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1488 else if (!ice_is_100m_speed_supported(hw)) 1489 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1490 } 1491 1492 #define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \ 1493 do { \ 1494 if (req_speeds & (aq_link_speed) || \ 1495 (!req_speeds && \ 1496 (advert_phy_type_lo & phy_type_mask_lo || \ 1497 advert_phy_type_hi & phy_type_mask_hi))) \ 1498 ethtool_link_ksettings_add_link_mode(ks, advertising,\ 1499 ethtool_link_mode); \ 1500 } while (0) 1501 1502 /** 1503 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1504 * @netdev: network interface device structure 1505 * @ks: ethtool link ksettings struct to fill out 1506 */ 1507 static void 1508 ice_phy_type_to_ethtool(struct net_device *netdev, 1509 struct ethtool_link_ksettings *ks) 1510 { 1511 struct ice_netdev_priv *np = netdev_priv(netdev); 1512 struct ice_vsi *vsi = np->vsi; 1513 struct ice_pf *pf = vsi->back; 1514 u64 advert_phy_type_lo = 0; 1515 u64 advert_phy_type_hi = 0; 1516 u64 phy_type_mask_lo = 0; 1517 u64 phy_type_mask_hi = 0; 1518 u64 phy_types_high = 0; 1519 u64 phy_types_low = 0; 1520 u16 req_speeds; 1521 1522 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1523 1524 /* Check if lenient mode is supported and enabled, or in strict mode. 1525 * 1526 * In lenient mode the Supported link modes are the PHY types without 1527 * media. The Advertising link mode is either 1. the user requested 1528 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1529 * 1530 * In strict mode Supported link mode are the PHY type with media, 1531 * and Advertising link modes are the media PHY type or the speed 1532 * requested by user. 1533 */ 1534 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1535 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1536 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1537 1538 ice_mask_min_supported_speeds(&pf->hw, phy_types_high, 1539 &phy_types_low); 1540 /* determine advertised modes based on link override only 1541 * if it's supported and if the FW doesn't abstract the 1542 * driver from having to account for link overrides 1543 */ 1544 if (ice_fw_supports_link_override(&pf->hw) && 1545 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 1546 struct ice_link_default_override_tlv *ldo; 1547 1548 ldo = &pf->link_dflt_override; 1549 /* If override enabled and PHY mask set, then 1550 * Advertising link mode is the intersection of the PHY 1551 * types without media and the override PHY mask. 1552 */ 1553 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1554 (ldo->phy_type_low || ldo->phy_type_high)) { 1555 advert_phy_type_lo = 1556 le64_to_cpu(pf->nvm_phy_type_lo) & 1557 ldo->phy_type_low; 1558 advert_phy_type_hi = 1559 le64_to_cpu(pf->nvm_phy_type_hi) & 1560 ldo->phy_type_high; 1561 } 1562 } 1563 } else { 1564 /* strict mode */ 1565 phy_types_low = vsi->port_info->phy.phy_type_low; 1566 phy_types_high = vsi->port_info->phy.phy_type_high; 1567 } 1568 1569 /* If Advertising link mode PHY type is not using override PHY type, 1570 * then use PHY type with media. 1571 */ 1572 if (!advert_phy_type_lo && !advert_phy_type_hi) { 1573 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 1574 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 1575 } 1576 1577 ethtool_link_ksettings_zero_link_mode(ks, supported); 1578 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1579 1580 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX | 1581 ICE_PHY_TYPE_LOW_100M_SGMII; 1582 if (phy_types_low & phy_type_mask_lo) { 1583 ethtool_link_ksettings_add_link_mode(ks, supported, 1584 100baseT_Full); 1585 1586 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB, 1587 100baseT_Full); 1588 } 1589 1590 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T | 1591 ICE_PHY_TYPE_LOW_1G_SGMII; 1592 if (phy_types_low & phy_type_mask_lo) { 1593 ethtool_link_ksettings_add_link_mode(ks, supported, 1594 1000baseT_Full); 1595 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1596 1000baseT_Full); 1597 } 1598 1599 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX; 1600 if (phy_types_low & phy_type_mask_lo) { 1601 ethtool_link_ksettings_add_link_mode(ks, supported, 1602 1000baseKX_Full); 1603 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1604 1000baseKX_Full); 1605 } 1606 1607 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX | 1608 ICE_PHY_TYPE_LOW_1000BASE_LX; 1609 if (phy_types_low & phy_type_mask_lo) { 1610 ethtool_link_ksettings_add_link_mode(ks, supported, 1611 1000baseX_Full); 1612 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1613 1000baseX_Full); 1614 } 1615 1616 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T; 1617 if (phy_types_low & phy_type_mask_lo) { 1618 ethtool_link_ksettings_add_link_mode(ks, supported, 1619 2500baseT_Full); 1620 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1621 2500baseT_Full); 1622 } 1623 1624 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X | 1625 ICE_PHY_TYPE_LOW_2500BASE_KX; 1626 if (phy_types_low & phy_type_mask_lo) { 1627 ethtool_link_ksettings_add_link_mode(ks, supported, 1628 2500baseX_Full); 1629 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1630 2500baseX_Full); 1631 } 1632 1633 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T | 1634 ICE_PHY_TYPE_LOW_5GBASE_KR; 1635 if (phy_types_low & phy_type_mask_lo) { 1636 ethtool_link_ksettings_add_link_mode(ks, supported, 1637 5000baseT_Full); 1638 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB, 1639 5000baseT_Full); 1640 } 1641 1642 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T | 1643 ICE_PHY_TYPE_LOW_10G_SFI_DA | 1644 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | 1645 ICE_PHY_TYPE_LOW_10G_SFI_C2C; 1646 if (phy_types_low & phy_type_mask_lo) { 1647 ethtool_link_ksettings_add_link_mode(ks, supported, 1648 10000baseT_Full); 1649 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1650 10000baseT_Full); 1651 } 1652 1653 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1; 1654 if (phy_types_low & phy_type_mask_lo) { 1655 ethtool_link_ksettings_add_link_mode(ks, supported, 1656 10000baseKR_Full); 1657 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1658 10000baseKR_Full); 1659 } 1660 1661 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR; 1662 if (phy_types_low & phy_type_mask_lo) { 1663 ethtool_link_ksettings_add_link_mode(ks, supported, 1664 10000baseSR_Full); 1665 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1666 10000baseSR_Full); 1667 } 1668 1669 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR; 1670 if (phy_types_low & phy_type_mask_lo) { 1671 ethtool_link_ksettings_add_link_mode(ks, supported, 1672 10000baseLR_Full); 1673 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1674 10000baseLR_Full); 1675 } 1676 1677 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T | 1678 ICE_PHY_TYPE_LOW_25GBASE_CR | 1679 ICE_PHY_TYPE_LOW_25GBASE_CR_S | 1680 ICE_PHY_TYPE_LOW_25GBASE_CR1 | 1681 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC | 1682 ICE_PHY_TYPE_LOW_25G_AUI_C2C; 1683 if (phy_types_low & phy_type_mask_lo) { 1684 ethtool_link_ksettings_add_link_mode(ks, supported, 1685 25000baseCR_Full); 1686 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1687 25000baseCR_Full); 1688 } 1689 1690 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR | 1691 ICE_PHY_TYPE_LOW_25GBASE_LR; 1692 if (phy_types_low & phy_type_mask_lo) { 1693 ethtool_link_ksettings_add_link_mode(ks, supported, 1694 25000baseSR_Full); 1695 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1696 25000baseSR_Full); 1697 } 1698 1699 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR | 1700 ICE_PHY_TYPE_LOW_25GBASE_KR_S | 1701 ICE_PHY_TYPE_LOW_25GBASE_KR1; 1702 if (phy_types_low & phy_type_mask_lo) { 1703 ethtool_link_ksettings_add_link_mode(ks, supported, 1704 25000baseKR_Full); 1705 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1706 25000baseKR_Full); 1707 } 1708 1709 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4; 1710 if (phy_types_low & phy_type_mask_lo) { 1711 ethtool_link_ksettings_add_link_mode(ks, supported, 1712 40000baseKR4_Full); 1713 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1714 40000baseKR4_Full); 1715 } 1716 1717 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 | 1718 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC | 1719 ICE_PHY_TYPE_LOW_40G_XLAUI; 1720 if (phy_types_low & phy_type_mask_lo) { 1721 ethtool_link_ksettings_add_link_mode(ks, supported, 1722 40000baseCR4_Full); 1723 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1724 40000baseCR4_Full); 1725 } 1726 1727 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4; 1728 if (phy_types_low & phy_type_mask_lo) { 1729 ethtool_link_ksettings_add_link_mode(ks, supported, 1730 40000baseSR4_Full); 1731 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1732 40000baseSR4_Full); 1733 } 1734 1735 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4; 1736 if (phy_types_low & phy_type_mask_lo) { 1737 ethtool_link_ksettings_add_link_mode(ks, supported, 1738 40000baseLR4_Full); 1739 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1740 40000baseLR4_Full); 1741 } 1742 1743 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 | 1744 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC | 1745 ICE_PHY_TYPE_LOW_50G_LAUI2 | 1746 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC | 1747 ICE_PHY_TYPE_LOW_50G_AUI2 | 1748 ICE_PHY_TYPE_LOW_50GBASE_CP | 1749 ICE_PHY_TYPE_LOW_50GBASE_SR | 1750 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC | 1751 ICE_PHY_TYPE_LOW_50G_AUI1; 1752 if (phy_types_low & phy_type_mask_lo) { 1753 ethtool_link_ksettings_add_link_mode(ks, supported, 1754 50000baseCR2_Full); 1755 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1756 50000baseCR2_Full); 1757 } 1758 1759 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 | 1760 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4; 1761 if (phy_types_low & phy_type_mask_lo) { 1762 ethtool_link_ksettings_add_link_mode(ks, supported, 1763 50000baseKR2_Full); 1764 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1765 50000baseKR2_Full); 1766 } 1767 1768 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 | 1769 ICE_PHY_TYPE_LOW_50GBASE_LR2 | 1770 ICE_PHY_TYPE_LOW_50GBASE_FR | 1771 ICE_PHY_TYPE_LOW_50GBASE_LR; 1772 if (phy_types_low & phy_type_mask_lo) { 1773 ethtool_link_ksettings_add_link_mode(ks, supported, 1774 50000baseSR2_Full); 1775 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1776 50000baseSR2_Full); 1777 } 1778 1779 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 | 1780 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | 1781 ICE_PHY_TYPE_LOW_100G_CAUI4 | 1782 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | 1783 ICE_PHY_TYPE_LOW_100G_AUI4 | 1784 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | 1785 ICE_PHY_TYPE_LOW_100GBASE_CP2; 1786 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC | 1787 ICE_PHY_TYPE_HIGH_100G_CAUI2 | 1788 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | 1789 ICE_PHY_TYPE_HIGH_100G_AUI2; 1790 if (phy_types_low & phy_type_mask_lo || 1791 phy_types_high & phy_type_mask_hi) { 1792 ethtool_link_ksettings_add_link_mode(ks, supported, 1793 100000baseCR4_Full); 1794 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1795 100000baseCR4_Full); 1796 } 1797 1798 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 | 1799 ICE_PHY_TYPE_LOW_100GBASE_SR2; 1800 if (phy_types_low & phy_type_mask_lo) { 1801 ethtool_link_ksettings_add_link_mode(ks, supported, 1802 100000baseSR4_Full); 1803 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1804 100000baseSR4_Full); 1805 } 1806 1807 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 | 1808 ICE_PHY_TYPE_LOW_100GBASE_DR; 1809 if (phy_types_low & phy_type_mask_lo) { 1810 ethtool_link_ksettings_add_link_mode(ks, supported, 1811 100000baseLR4_ER4_Full); 1812 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1813 100000baseLR4_ER4_Full); 1814 } 1815 1816 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 | 1817 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4; 1818 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4; 1819 if (phy_types_low & phy_type_mask_lo || 1820 phy_types_high & phy_type_mask_hi) { 1821 ethtool_link_ksettings_add_link_mode(ks, supported, 1822 100000baseKR4_Full); 1823 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1824 100000baseKR4_Full); 1825 } 1826 } 1827 1828 #define TEST_SET_BITS_TIMEOUT 50 1829 #define TEST_SET_BITS_SLEEP_MAX 2000 1830 #define TEST_SET_BITS_SLEEP_MIN 1000 1831 1832 /** 1833 * ice_get_settings_link_up - Get Link settings for when link is up 1834 * @ks: ethtool ksettings to fill in 1835 * @netdev: network interface device structure 1836 */ 1837 static void 1838 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1839 struct net_device *netdev) 1840 { 1841 struct ice_netdev_priv *np = netdev_priv(netdev); 1842 struct ice_port_info *pi = np->vsi->port_info; 1843 struct ice_link_status *link_info; 1844 struct ice_vsi *vsi = np->vsi; 1845 1846 link_info = &vsi->port_info->phy.link_info; 1847 1848 /* Get supported and advertised settings from PHY ability with media */ 1849 ice_phy_type_to_ethtool(netdev, ks); 1850 1851 switch (link_info->link_speed) { 1852 case ICE_AQ_LINK_SPEED_100GB: 1853 ks->base.speed = SPEED_100000; 1854 break; 1855 case ICE_AQ_LINK_SPEED_50GB: 1856 ks->base.speed = SPEED_50000; 1857 break; 1858 case ICE_AQ_LINK_SPEED_40GB: 1859 ks->base.speed = SPEED_40000; 1860 break; 1861 case ICE_AQ_LINK_SPEED_25GB: 1862 ks->base.speed = SPEED_25000; 1863 break; 1864 case ICE_AQ_LINK_SPEED_20GB: 1865 ks->base.speed = SPEED_20000; 1866 break; 1867 case ICE_AQ_LINK_SPEED_10GB: 1868 ks->base.speed = SPEED_10000; 1869 break; 1870 case ICE_AQ_LINK_SPEED_5GB: 1871 ks->base.speed = SPEED_5000; 1872 break; 1873 case ICE_AQ_LINK_SPEED_2500MB: 1874 ks->base.speed = SPEED_2500; 1875 break; 1876 case ICE_AQ_LINK_SPEED_1000MB: 1877 ks->base.speed = SPEED_1000; 1878 break; 1879 case ICE_AQ_LINK_SPEED_100MB: 1880 ks->base.speed = SPEED_100; 1881 break; 1882 default: 1883 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1884 link_info->link_speed); 1885 break; 1886 } 1887 ks->base.duplex = DUPLEX_FULL; 1888 1889 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1890 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1891 Autoneg); 1892 1893 /* Set flow control negotiated Rx/Tx pause */ 1894 switch (pi->fc.current_mode) { 1895 case ICE_FC_FULL: 1896 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1897 break; 1898 case ICE_FC_TX_PAUSE: 1899 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1900 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1901 Asym_Pause); 1902 break; 1903 case ICE_FC_RX_PAUSE: 1904 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1905 Asym_Pause); 1906 break; 1907 case ICE_FC_PFC: 1908 default: 1909 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1910 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1911 Asym_Pause); 1912 break; 1913 } 1914 } 1915 1916 /** 1917 * ice_get_settings_link_down - Get the Link settings when link is down 1918 * @ks: ethtool ksettings to fill in 1919 * @netdev: network interface device structure 1920 * 1921 * Reports link settings that can be determined when link is down 1922 */ 1923 static void 1924 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1925 struct net_device *netdev) 1926 { 1927 /* link is down and the driver needs to fall back on 1928 * supported PHY types to figure out what info to display 1929 */ 1930 ice_phy_type_to_ethtool(netdev, ks); 1931 1932 /* With no link, speed and duplex are unknown */ 1933 ks->base.speed = SPEED_UNKNOWN; 1934 ks->base.duplex = DUPLEX_UNKNOWN; 1935 } 1936 1937 /** 1938 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1939 * @netdev: network interface device structure 1940 * @ks: ethtool ksettings 1941 * 1942 * Reports speed/duplex settings based on media_type 1943 */ 1944 static int 1945 ice_get_link_ksettings(struct net_device *netdev, 1946 struct ethtool_link_ksettings *ks) 1947 { 1948 struct ice_netdev_priv *np = netdev_priv(netdev); 1949 struct ice_aqc_get_phy_caps_data *caps; 1950 struct ice_link_status *hw_link_info; 1951 struct ice_vsi *vsi = np->vsi; 1952 int err; 1953 1954 ethtool_link_ksettings_zero_link_mode(ks, supported); 1955 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1956 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1957 hw_link_info = &vsi->port_info->phy.link_info; 1958 1959 /* set speed and duplex */ 1960 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 1961 ice_get_settings_link_up(ks, netdev); 1962 else 1963 ice_get_settings_link_down(ks, netdev); 1964 1965 /* set autoneg settings */ 1966 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 1967 AUTONEG_ENABLE : AUTONEG_DISABLE; 1968 1969 /* set media type settings */ 1970 switch (vsi->port_info->phy.media_type) { 1971 case ICE_MEDIA_FIBER: 1972 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1973 ks->base.port = PORT_FIBRE; 1974 break; 1975 case ICE_MEDIA_BASET: 1976 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 1977 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 1978 ks->base.port = PORT_TP; 1979 break; 1980 case ICE_MEDIA_BACKPLANE: 1981 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 1982 ethtool_link_ksettings_add_link_mode(ks, advertising, 1983 Backplane); 1984 ks->base.port = PORT_NONE; 1985 break; 1986 case ICE_MEDIA_DA: 1987 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1988 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 1989 ks->base.port = PORT_DA; 1990 break; 1991 default: 1992 ks->base.port = PORT_OTHER; 1993 break; 1994 } 1995 1996 /* flow control is symmetric and always supported */ 1997 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 1998 1999 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 2000 if (!caps) 2001 return -ENOMEM; 2002 2003 err = ice_aq_get_phy_caps(vsi->port_info, false, 2004 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 2005 if (err) 2006 goto done; 2007 2008 /* Set the advertised flow control based on the PHY capability */ 2009 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2010 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2011 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2012 ethtool_link_ksettings_add_link_mode(ks, advertising, 2013 Asym_Pause); 2014 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2015 ethtool_link_ksettings_add_link_mode(ks, advertising, 2016 Asym_Pause); 2017 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2018 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2019 ethtool_link_ksettings_add_link_mode(ks, advertising, 2020 Asym_Pause); 2021 } else { 2022 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2023 ethtool_link_ksettings_del_link_mode(ks, advertising, 2024 Asym_Pause); 2025 } 2026 2027 /* Set advertised FEC modes based on PHY capability */ 2028 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2029 2030 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2031 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2032 ethtool_link_ksettings_add_link_mode(ks, advertising, 2033 FEC_BASER); 2034 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2035 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2036 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2037 2038 err = ice_aq_get_phy_caps(vsi->port_info, false, 2039 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 2040 if (err) 2041 goto done; 2042 2043 /* Set supported FEC modes based on PHY capability */ 2044 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2045 2046 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2047 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2048 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2049 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2050 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2051 2052 /* Set supported and advertised autoneg */ 2053 if (ice_is_phy_caps_an_enabled(caps)) { 2054 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2055 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2056 } 2057 2058 done: 2059 kfree(caps); 2060 return err; 2061 } 2062 2063 /** 2064 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2065 * @ks: ethtool ksettings 2066 */ 2067 static u16 2068 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2069 { 2070 u16 adv_link_speed = 0; 2071 2072 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2073 100baseT_Full)) 2074 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2075 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2076 1000baseX_Full)) 2077 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2078 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2079 1000baseT_Full) || 2080 ethtool_link_ksettings_test_link_mode(ks, advertising, 2081 1000baseKX_Full)) 2082 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2083 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2084 2500baseT_Full)) 2085 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2086 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2087 2500baseX_Full)) 2088 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2089 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2090 5000baseT_Full)) 2091 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2092 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2093 10000baseT_Full) || 2094 ethtool_link_ksettings_test_link_mode(ks, advertising, 2095 10000baseKR_Full)) 2096 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2097 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2098 10000baseSR_Full) || 2099 ethtool_link_ksettings_test_link_mode(ks, advertising, 2100 10000baseLR_Full)) 2101 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2102 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2103 25000baseCR_Full) || 2104 ethtool_link_ksettings_test_link_mode(ks, advertising, 2105 25000baseSR_Full) || 2106 ethtool_link_ksettings_test_link_mode(ks, advertising, 2107 25000baseKR_Full)) 2108 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2109 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2110 40000baseCR4_Full) || 2111 ethtool_link_ksettings_test_link_mode(ks, advertising, 2112 40000baseSR4_Full) || 2113 ethtool_link_ksettings_test_link_mode(ks, advertising, 2114 40000baseLR4_Full) || 2115 ethtool_link_ksettings_test_link_mode(ks, advertising, 2116 40000baseKR4_Full)) 2117 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2118 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2119 50000baseCR2_Full) || 2120 ethtool_link_ksettings_test_link_mode(ks, advertising, 2121 50000baseKR2_Full)) 2122 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2123 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2124 50000baseSR2_Full)) 2125 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2126 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2127 100000baseCR4_Full) || 2128 ethtool_link_ksettings_test_link_mode(ks, advertising, 2129 100000baseSR4_Full) || 2130 ethtool_link_ksettings_test_link_mode(ks, advertising, 2131 100000baseLR4_ER4_Full) || 2132 ethtool_link_ksettings_test_link_mode(ks, advertising, 2133 100000baseKR4_Full)) 2134 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2135 2136 return adv_link_speed; 2137 } 2138 2139 /** 2140 * ice_setup_autoneg 2141 * @p: port info 2142 * @ks: ethtool_link_ksettings 2143 * @config: configuration that will be sent down to FW 2144 * @autoneg_enabled: autonegotiation is enabled or not 2145 * @autoneg_changed: will there a change in autonegotiation 2146 * @netdev: network interface device structure 2147 * 2148 * Setup PHY autonegotiation feature 2149 */ 2150 static int 2151 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2152 struct ice_aqc_set_phy_cfg_data *config, 2153 u8 autoneg_enabled, u8 *autoneg_changed, 2154 struct net_device *netdev) 2155 { 2156 int err = 0; 2157 2158 *autoneg_changed = 0; 2159 2160 /* Check autoneg */ 2161 if (autoneg_enabled == AUTONEG_ENABLE) { 2162 /* If autoneg was not already enabled */ 2163 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2164 /* If autoneg is not supported, return error */ 2165 if (!ethtool_link_ksettings_test_link_mode(ks, 2166 supported, 2167 Autoneg)) { 2168 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2169 err = -EINVAL; 2170 } else { 2171 /* Autoneg is allowed to change */ 2172 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2173 *autoneg_changed = 1; 2174 } 2175 } 2176 } else { 2177 /* If autoneg is currently enabled */ 2178 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2179 /* If autoneg is supported 10GBASE_T is the only PHY 2180 * that can disable it, so otherwise return error 2181 */ 2182 if (ethtool_link_ksettings_test_link_mode(ks, 2183 supported, 2184 Autoneg)) { 2185 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2186 err = -EINVAL; 2187 } else { 2188 /* Autoneg is allowed to change */ 2189 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2190 *autoneg_changed = 1; 2191 } 2192 } 2193 } 2194 2195 return err; 2196 } 2197 2198 /** 2199 * ice_set_phy_type_from_speed - set phy_types based on speeds 2200 * and advertised modes 2201 * @ks: ethtool link ksettings struct 2202 * @phy_type_low: pointer to the lower part of phy_type 2203 * @phy_type_high: pointer to the higher part of phy_type 2204 * @adv_link_speed: targeted link speeds bitmap 2205 */ 2206 static void 2207 ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks, 2208 u64 *phy_type_low, u64 *phy_type_high, 2209 u16 adv_link_speed) 2210 { 2211 /* Handle 1000M speed in a special way because ice_update_phy_type 2212 * enables all link modes, but having mixed copper and optical 2213 * standards is not supported. 2214 */ 2215 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB; 2216 2217 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2218 1000baseT_Full)) 2219 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T | 2220 ICE_PHY_TYPE_LOW_1G_SGMII; 2221 2222 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2223 1000baseKX_Full)) 2224 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX; 2225 2226 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2227 1000baseX_Full)) 2228 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX | 2229 ICE_PHY_TYPE_LOW_1000BASE_LX; 2230 2231 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed); 2232 } 2233 2234 /** 2235 * ice_set_link_ksettings - Set Speed and Duplex 2236 * @netdev: network interface device structure 2237 * @ks: ethtool ksettings 2238 * 2239 * Set speed/duplex per media_types advertised/forced 2240 */ 2241 static int 2242 ice_set_link_ksettings(struct net_device *netdev, 2243 const struct ethtool_link_ksettings *ks) 2244 { 2245 struct ice_netdev_priv *np = netdev_priv(netdev); 2246 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2247 struct ethtool_link_ksettings copy_ks = *ks; 2248 struct ethtool_link_ksettings safe_ks = {}; 2249 struct ice_aqc_get_phy_caps_data *phy_caps; 2250 struct ice_aqc_set_phy_cfg_data config; 2251 u16 adv_link_speed, curr_link_speed; 2252 struct ice_pf *pf = np->vsi->back; 2253 struct ice_port_info *pi; 2254 u8 autoneg_changed = 0; 2255 u64 phy_type_high = 0; 2256 u64 phy_type_low = 0; 2257 bool linkup; 2258 int err; 2259 2260 pi = np->vsi->port_info; 2261 2262 if (!pi) 2263 return -EIO; 2264 2265 if (pi->phy.media_type != ICE_MEDIA_BASET && 2266 pi->phy.media_type != ICE_MEDIA_FIBER && 2267 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2268 pi->phy.media_type != ICE_MEDIA_DA && 2269 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2270 return -EOPNOTSUPP; 2271 2272 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2273 if (!phy_caps) 2274 return -ENOMEM; 2275 2276 /* Get the PHY capabilities based on media */ 2277 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2278 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2279 phy_caps, NULL); 2280 else 2281 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2282 phy_caps, NULL); 2283 if (err) 2284 goto done; 2285 2286 /* save autoneg out of ksettings */ 2287 autoneg = copy_ks.base.autoneg; 2288 2289 /* Get link modes supported by hardware.*/ 2290 ice_phy_type_to_ethtool(netdev, &safe_ks); 2291 2292 /* and check against modes requested by user. 2293 * Return an error if unsupported mode was set. 2294 */ 2295 if (!bitmap_subset(copy_ks.link_modes.advertising, 2296 safe_ks.link_modes.supported, 2297 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2298 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2299 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"); 2300 err = -EOPNOTSUPP; 2301 goto done; 2302 } 2303 2304 /* get our own copy of the bits to check against */ 2305 memset(&safe_ks, 0, sizeof(safe_ks)); 2306 safe_ks.base.cmd = copy_ks.base.cmd; 2307 safe_ks.base.link_mode_masks_nwords = 2308 copy_ks.base.link_mode_masks_nwords; 2309 ice_get_link_ksettings(netdev, &safe_ks); 2310 2311 /* set autoneg back to what it currently is */ 2312 copy_ks.base.autoneg = safe_ks.base.autoneg; 2313 /* we don't compare the speed */ 2314 copy_ks.base.speed = safe_ks.base.speed; 2315 2316 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2317 * trying to set something that we do not support. 2318 */ 2319 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2320 err = -EOPNOTSUPP; 2321 goto done; 2322 } 2323 2324 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2325 timeout--; 2326 if (!timeout) { 2327 err = -EBUSY; 2328 goto done; 2329 } 2330 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2331 } 2332 2333 /* Copy the current user PHY configuration. The current user PHY 2334 * configuration is initialized during probe from PHY capabilities 2335 * software mode, and updated on set PHY configuration. 2336 */ 2337 config = pi->phy.curr_user_phy_cfg; 2338 2339 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2340 2341 /* Check autoneg */ 2342 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2343 netdev); 2344 2345 if (err) 2346 goto done; 2347 2348 /* Call to get the current link speed */ 2349 pi->phy.get_link_info = true; 2350 err = ice_get_link_status(pi, &linkup); 2351 if (err) 2352 goto done; 2353 2354 curr_link_speed = pi->phy.curr_user_speed_req; 2355 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2356 2357 /* If speed didn't get set, set it to what it currently is. 2358 * This is needed because if advertise is 0 (as it is when autoneg 2359 * is disabled) then speed won't get set. 2360 */ 2361 if (!adv_link_speed) 2362 adv_link_speed = curr_link_speed; 2363 2364 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2365 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high, 2366 adv_link_speed); 2367 2368 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2369 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2370 goto done; 2371 } 2372 2373 /* save the requested speeds */ 2374 pi->phy.link_info.req_speeds = adv_link_speed; 2375 2376 /* set link and auto negotiation so changes take effect */ 2377 config.caps |= ICE_AQ_PHY_ENA_LINK; 2378 2379 /* check if there is a PHY type for the requested advertised speed */ 2380 if (!(phy_type_low || phy_type_high)) { 2381 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"); 2382 err = -EOPNOTSUPP; 2383 goto done; 2384 } 2385 2386 /* intersect requested advertised speed PHY types with media PHY types 2387 * for set PHY configuration 2388 */ 2389 config.phy_type_high = cpu_to_le64(phy_type_high) & 2390 phy_caps->phy_type_high; 2391 config.phy_type_low = cpu_to_le64(phy_type_low) & 2392 phy_caps->phy_type_low; 2393 2394 if (!(config.phy_type_high || config.phy_type_low)) { 2395 /* If there is no intersection and lenient mode is enabled, then 2396 * intersect the requested advertised speed with NVM media type 2397 * PHY types. 2398 */ 2399 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2400 config.phy_type_high = cpu_to_le64(phy_type_high) & 2401 pf->nvm_phy_type_hi; 2402 config.phy_type_low = cpu_to_le64(phy_type_low) & 2403 pf->nvm_phy_type_lo; 2404 } else { 2405 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"); 2406 err = -EOPNOTSUPP; 2407 goto done; 2408 } 2409 } 2410 2411 /* If link is up put link down */ 2412 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2413 /* Tell the OS link is going down, the link will go 2414 * back up when fw says it is ready asynchronously 2415 */ 2416 ice_print_link_msg(np->vsi, false); 2417 netif_carrier_off(netdev); 2418 netif_tx_stop_all_queues(netdev); 2419 } 2420 2421 /* make the aq call */ 2422 err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2423 if (err) { 2424 netdev_info(netdev, "Set phy config failed,\n"); 2425 goto done; 2426 } 2427 2428 /* Save speed request */ 2429 pi->phy.curr_user_speed_req = adv_link_speed; 2430 done: 2431 kfree(phy_caps); 2432 clear_bit(ICE_CFG_BUSY, pf->state); 2433 2434 return err; 2435 } 2436 2437 /** 2438 * ice_parse_hdrs - parses headers from RSS hash input 2439 * @nfc: ethtool rxnfc command 2440 * 2441 * This function parses the rxnfc command and returns intended 2442 * header types for RSS configuration 2443 */ 2444 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2445 { 2446 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2447 2448 switch (nfc->flow_type) { 2449 case TCP_V4_FLOW: 2450 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2451 break; 2452 case UDP_V4_FLOW: 2453 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2454 break; 2455 case SCTP_V4_FLOW: 2456 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2457 break; 2458 case TCP_V6_FLOW: 2459 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2460 break; 2461 case UDP_V6_FLOW: 2462 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2463 break; 2464 case SCTP_V6_FLOW: 2465 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2466 break; 2467 default: 2468 break; 2469 } 2470 return hdrs; 2471 } 2472 2473 #define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) 2474 #define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) 2475 #define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) 2476 #define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) 2477 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) 2478 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) 2479 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) 2480 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) 2481 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ 2482 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) 2483 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ 2484 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) 2485 2486 /** 2487 * ice_parse_hash_flds - parses hash fields from RSS hash input 2488 * @nfc: ethtool rxnfc command 2489 * 2490 * This function parses the rxnfc command and returns intended 2491 * hash fields for RSS configuration 2492 */ 2493 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) 2494 { 2495 u64 hfld = ICE_HASH_INVALID; 2496 2497 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2498 switch (nfc->flow_type) { 2499 case TCP_V4_FLOW: 2500 case UDP_V4_FLOW: 2501 case SCTP_V4_FLOW: 2502 if (nfc->data & RXH_IP_SRC) 2503 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2504 if (nfc->data & RXH_IP_DST) 2505 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2506 break; 2507 case TCP_V6_FLOW: 2508 case UDP_V6_FLOW: 2509 case SCTP_V6_FLOW: 2510 if (nfc->data & RXH_IP_SRC) 2511 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2512 if (nfc->data & RXH_IP_DST) 2513 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2514 break; 2515 default: 2516 break; 2517 } 2518 } 2519 2520 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2521 switch (nfc->flow_type) { 2522 case TCP_V4_FLOW: 2523 case TCP_V6_FLOW: 2524 if (nfc->data & RXH_L4_B_0_1) 2525 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2526 if (nfc->data & RXH_L4_B_2_3) 2527 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2528 break; 2529 case UDP_V4_FLOW: 2530 case UDP_V6_FLOW: 2531 if (nfc->data & RXH_L4_B_0_1) 2532 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2533 if (nfc->data & RXH_L4_B_2_3) 2534 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2535 break; 2536 case SCTP_V4_FLOW: 2537 case SCTP_V6_FLOW: 2538 if (nfc->data & RXH_L4_B_0_1) 2539 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2540 if (nfc->data & RXH_L4_B_2_3) 2541 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2542 break; 2543 default: 2544 break; 2545 } 2546 } 2547 2548 return hfld; 2549 } 2550 2551 /** 2552 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2553 * @vsi: the VSI being configured 2554 * @nfc: ethtool rxnfc command 2555 * 2556 * Returns Success if the flow input set is supported. 2557 */ 2558 static int 2559 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2560 { 2561 struct ice_pf *pf = vsi->back; 2562 struct device *dev; 2563 u64 hashed_flds; 2564 int status; 2565 u32 hdrs; 2566 2567 dev = ice_pf_to_dev(pf); 2568 if (ice_is_safe_mode(pf)) { 2569 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2570 vsi->vsi_num); 2571 return -EINVAL; 2572 } 2573 2574 hashed_flds = ice_parse_hash_flds(nfc); 2575 if (hashed_flds == ICE_HASH_INVALID) { 2576 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2577 vsi->vsi_num); 2578 return -EINVAL; 2579 } 2580 2581 hdrs = ice_parse_hdrs(nfc); 2582 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2583 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2584 vsi->vsi_num); 2585 return -EINVAL; 2586 } 2587 2588 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); 2589 if (status) { 2590 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n", 2591 vsi->vsi_num, status); 2592 return status; 2593 } 2594 2595 return 0; 2596 } 2597 2598 /** 2599 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2600 * @vsi: the VSI being configured 2601 * @nfc: ethtool rxnfc command 2602 */ 2603 static void 2604 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2605 { 2606 struct ice_pf *pf = vsi->back; 2607 struct device *dev; 2608 u64 hash_flds; 2609 u32 hdrs; 2610 2611 dev = ice_pf_to_dev(pf); 2612 2613 nfc->data = 0; 2614 if (ice_is_safe_mode(pf)) { 2615 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2616 vsi->vsi_num); 2617 return; 2618 } 2619 2620 hdrs = ice_parse_hdrs(nfc); 2621 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2622 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2623 vsi->vsi_num); 2624 return; 2625 } 2626 2627 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); 2628 if (hash_flds == ICE_HASH_INVALID) { 2629 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2630 vsi->vsi_num); 2631 return; 2632 } 2633 2634 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2635 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2636 nfc->data |= (u64)RXH_IP_SRC; 2637 2638 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2639 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2640 nfc->data |= (u64)RXH_IP_DST; 2641 2642 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2643 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2644 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2645 nfc->data |= (u64)RXH_L4_B_0_1; 2646 2647 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2648 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2649 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2650 nfc->data |= (u64)RXH_L4_B_2_3; 2651 } 2652 2653 /** 2654 * ice_set_rxnfc - command to set Rx flow rules. 2655 * @netdev: network interface device structure 2656 * @cmd: ethtool rxnfc command 2657 * 2658 * Returns 0 for success and negative values for errors 2659 */ 2660 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2661 { 2662 struct ice_netdev_priv *np = netdev_priv(netdev); 2663 struct ice_vsi *vsi = np->vsi; 2664 2665 switch (cmd->cmd) { 2666 case ETHTOOL_SRXCLSRLINS: 2667 return ice_add_fdir_ethtool(vsi, cmd); 2668 case ETHTOOL_SRXCLSRLDEL: 2669 return ice_del_fdir_ethtool(vsi, cmd); 2670 case ETHTOOL_SRXFH: 2671 return ice_set_rss_hash_opt(vsi, cmd); 2672 default: 2673 break; 2674 } 2675 return -EOPNOTSUPP; 2676 } 2677 2678 /** 2679 * ice_get_rxnfc - command to get Rx flow classification rules 2680 * @netdev: network interface device structure 2681 * @cmd: ethtool rxnfc command 2682 * @rule_locs: buffer to rturn Rx flow classification rules 2683 * 2684 * Returns Success if the command is supported. 2685 */ 2686 static int 2687 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2688 u32 __always_unused *rule_locs) 2689 { 2690 struct ice_netdev_priv *np = netdev_priv(netdev); 2691 struct ice_vsi *vsi = np->vsi; 2692 int ret = -EOPNOTSUPP; 2693 struct ice_hw *hw; 2694 2695 hw = &vsi->back->hw; 2696 2697 switch (cmd->cmd) { 2698 case ETHTOOL_GRXRINGS: 2699 cmd->data = vsi->rss_size; 2700 ret = 0; 2701 break; 2702 case ETHTOOL_GRXCLSRLCNT: 2703 cmd->rule_cnt = hw->fdir_active_fltr; 2704 /* report total rule count */ 2705 cmd->data = ice_get_fdir_cnt_all(hw); 2706 ret = 0; 2707 break; 2708 case ETHTOOL_GRXCLSRULE: 2709 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2710 break; 2711 case ETHTOOL_GRXCLSRLALL: 2712 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2713 break; 2714 case ETHTOOL_GRXFH: 2715 ice_get_rss_hash_opt(vsi, cmd); 2716 ret = 0; 2717 break; 2718 default: 2719 break; 2720 } 2721 2722 return ret; 2723 } 2724 2725 static void 2726 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2727 struct kernel_ethtool_ringparam *kernel_ring, 2728 struct netlink_ext_ack *extack) 2729 { 2730 struct ice_netdev_priv *np = netdev_priv(netdev); 2731 struct ice_vsi *vsi = np->vsi; 2732 2733 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2734 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2735 ring->rx_pending = vsi->rx_rings[0]->count; 2736 ring->tx_pending = vsi->tx_rings[0]->count; 2737 2738 /* Rx mini and jumbo rings are not supported */ 2739 ring->rx_mini_max_pending = 0; 2740 ring->rx_jumbo_max_pending = 0; 2741 ring->rx_mini_pending = 0; 2742 ring->rx_jumbo_pending = 0; 2743 } 2744 2745 static int 2746 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring, 2747 struct kernel_ethtool_ringparam *kernel_ring, 2748 struct netlink_ext_ack *extack) 2749 { 2750 struct ice_netdev_priv *np = netdev_priv(netdev); 2751 struct ice_tx_ring *xdp_rings = NULL; 2752 struct ice_tx_ring *tx_rings = NULL; 2753 struct ice_rx_ring *rx_rings = NULL; 2754 struct ice_vsi *vsi = np->vsi; 2755 struct ice_pf *pf = vsi->back; 2756 int i, timeout = 50, err = 0; 2757 u16 new_rx_cnt, new_tx_cnt; 2758 2759 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2760 ring->tx_pending < ICE_MIN_NUM_DESC || 2761 ring->rx_pending > ICE_MAX_NUM_DESC || 2762 ring->rx_pending < ICE_MIN_NUM_DESC) { 2763 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2764 ring->tx_pending, ring->rx_pending, 2765 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2766 ICE_REQ_DESC_MULTIPLE); 2767 return -EINVAL; 2768 } 2769 2770 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2771 if (new_tx_cnt != ring->tx_pending) 2772 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2773 new_tx_cnt); 2774 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2775 if (new_rx_cnt != ring->rx_pending) 2776 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2777 new_rx_cnt); 2778 2779 /* if nothing to do return success */ 2780 if (new_tx_cnt == vsi->tx_rings[0]->count && 2781 new_rx_cnt == vsi->rx_rings[0]->count) { 2782 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2783 return 0; 2784 } 2785 2786 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2787 * disallow changing the number of descriptors -- regardless 2788 * if the netdev is running or not. 2789 */ 2790 if (ice_xsk_any_rx_ring_ena(vsi)) 2791 return -EBUSY; 2792 2793 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2794 timeout--; 2795 if (!timeout) 2796 return -EBUSY; 2797 usleep_range(1000, 2000); 2798 } 2799 2800 /* set for the next time the netdev is started */ 2801 if (!netif_running(vsi->netdev)) { 2802 ice_for_each_alloc_txq(vsi, i) 2803 vsi->tx_rings[i]->count = new_tx_cnt; 2804 ice_for_each_alloc_rxq(vsi, i) 2805 vsi->rx_rings[i]->count = new_rx_cnt; 2806 if (ice_is_xdp_ena_vsi(vsi)) 2807 ice_for_each_xdp_txq(vsi, i) 2808 vsi->xdp_rings[i]->count = new_tx_cnt; 2809 vsi->num_tx_desc = (u16)new_tx_cnt; 2810 vsi->num_rx_desc = (u16)new_rx_cnt; 2811 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2812 goto done; 2813 } 2814 2815 if (new_tx_cnt == vsi->tx_rings[0]->count) 2816 goto process_rx; 2817 2818 /* alloc updated Tx resources */ 2819 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2820 vsi->tx_rings[0]->count, new_tx_cnt); 2821 2822 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2823 if (!tx_rings) { 2824 err = -ENOMEM; 2825 goto done; 2826 } 2827 2828 ice_for_each_txq(vsi, i) { 2829 /* clone ring and setup updated count */ 2830 tx_rings[i] = *vsi->tx_rings[i]; 2831 tx_rings[i].count = new_tx_cnt; 2832 tx_rings[i].desc = NULL; 2833 tx_rings[i].tx_buf = NULL; 2834 tx_rings[i].tx_tstamps = &pf->ptp.port.tx; 2835 err = ice_setup_tx_ring(&tx_rings[i]); 2836 if (err) { 2837 while (i--) 2838 ice_clean_tx_ring(&tx_rings[i]); 2839 kfree(tx_rings); 2840 goto done; 2841 } 2842 } 2843 2844 if (!ice_is_xdp_ena_vsi(vsi)) 2845 goto process_rx; 2846 2847 /* alloc updated XDP resources */ 2848 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2849 vsi->xdp_rings[0]->count, new_tx_cnt); 2850 2851 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2852 if (!xdp_rings) { 2853 err = -ENOMEM; 2854 goto free_tx; 2855 } 2856 2857 ice_for_each_xdp_txq(vsi, i) { 2858 /* clone ring and setup updated count */ 2859 xdp_rings[i] = *vsi->xdp_rings[i]; 2860 xdp_rings[i].count = new_tx_cnt; 2861 xdp_rings[i].next_dd = ICE_RING_QUARTER(&xdp_rings[i]) - 1; 2862 xdp_rings[i].next_rs = ICE_RING_QUARTER(&xdp_rings[i]) - 1; 2863 xdp_rings[i].desc = NULL; 2864 xdp_rings[i].tx_buf = NULL; 2865 err = ice_setup_tx_ring(&xdp_rings[i]); 2866 if (err) { 2867 while (i--) 2868 ice_clean_tx_ring(&xdp_rings[i]); 2869 kfree(xdp_rings); 2870 goto free_tx; 2871 } 2872 ice_set_ring_xdp(&xdp_rings[i]); 2873 } 2874 2875 process_rx: 2876 if (new_rx_cnt == vsi->rx_rings[0]->count) 2877 goto process_link; 2878 2879 /* alloc updated Rx resources */ 2880 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2881 vsi->rx_rings[0]->count, new_rx_cnt); 2882 2883 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2884 if (!rx_rings) { 2885 err = -ENOMEM; 2886 goto done; 2887 } 2888 2889 ice_for_each_rxq(vsi, i) { 2890 /* clone ring and setup updated count */ 2891 rx_rings[i] = *vsi->rx_rings[i]; 2892 rx_rings[i].count = new_rx_cnt; 2893 rx_rings[i].cached_phctime = pf->ptp.cached_phc_time; 2894 rx_rings[i].desc = NULL; 2895 rx_rings[i].rx_buf = NULL; 2896 /* this is to allow wr32 to have something to write to 2897 * during early allocation of Rx buffers 2898 */ 2899 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2900 2901 err = ice_setup_rx_ring(&rx_rings[i]); 2902 if (err) 2903 goto rx_unwind; 2904 2905 /* allocate Rx buffers */ 2906 err = ice_alloc_rx_bufs(&rx_rings[i], 2907 ICE_DESC_UNUSED(&rx_rings[i])); 2908 rx_unwind: 2909 if (err) { 2910 while (i) { 2911 i--; 2912 ice_free_rx_ring(&rx_rings[i]); 2913 } 2914 kfree(rx_rings); 2915 err = -ENOMEM; 2916 goto free_tx; 2917 } 2918 } 2919 2920 process_link: 2921 /* Bring interface down, copy in the new ring info, then restore the 2922 * interface. if VSI is up, bring it down and then back up 2923 */ 2924 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 2925 ice_down(vsi); 2926 2927 if (tx_rings) { 2928 ice_for_each_txq(vsi, i) { 2929 ice_free_tx_ring(vsi->tx_rings[i]); 2930 *vsi->tx_rings[i] = tx_rings[i]; 2931 } 2932 kfree(tx_rings); 2933 } 2934 2935 if (rx_rings) { 2936 ice_for_each_rxq(vsi, i) { 2937 ice_free_rx_ring(vsi->rx_rings[i]); 2938 /* copy the real tail offset */ 2939 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2940 /* this is to fake out the allocation routine 2941 * into thinking it has to realloc everything 2942 * but the recycling logic will let us re-use 2943 * the buffers allocated above 2944 */ 2945 rx_rings[i].next_to_use = 0; 2946 rx_rings[i].next_to_clean = 0; 2947 rx_rings[i].next_to_alloc = 0; 2948 *vsi->rx_rings[i] = rx_rings[i]; 2949 } 2950 kfree(rx_rings); 2951 } 2952 2953 if (xdp_rings) { 2954 ice_for_each_xdp_txq(vsi, i) { 2955 ice_free_tx_ring(vsi->xdp_rings[i]); 2956 *vsi->xdp_rings[i] = xdp_rings[i]; 2957 } 2958 kfree(xdp_rings); 2959 } 2960 2961 vsi->num_tx_desc = new_tx_cnt; 2962 vsi->num_rx_desc = new_rx_cnt; 2963 ice_up(vsi); 2964 } 2965 goto done; 2966 2967 free_tx: 2968 /* error cleanup if the Rx allocations failed after getting Tx */ 2969 if (tx_rings) { 2970 ice_for_each_txq(vsi, i) 2971 ice_free_tx_ring(&tx_rings[i]); 2972 kfree(tx_rings); 2973 } 2974 2975 done: 2976 clear_bit(ICE_CFG_BUSY, pf->state); 2977 return err; 2978 } 2979 2980 /** 2981 * ice_get_pauseparam - Get Flow Control status 2982 * @netdev: network interface device structure 2983 * @pause: ethernet pause (flow control) parameters 2984 * 2985 * Get requested flow control status from PHY capability. 2986 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2987 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2988 * the negotiated Rx/Tx pause via lp_advertising. 2989 */ 2990 static void 2991 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2992 { 2993 struct ice_netdev_priv *np = netdev_priv(netdev); 2994 struct ice_port_info *pi = np->vsi->port_info; 2995 struct ice_aqc_get_phy_caps_data *pcaps; 2996 struct ice_dcbx_cfg *dcbx_cfg; 2997 int status; 2998 2999 /* Initialize pause params */ 3000 pause->rx_pause = 0; 3001 pause->tx_pause = 0; 3002 3003 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3004 3005 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3006 if (!pcaps) 3007 return; 3008 3009 /* Get current PHY config */ 3010 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3011 NULL); 3012 if (status) 3013 goto out; 3014 3015 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3016 AUTONEG_DISABLE; 3017 3018 if (dcbx_cfg->pfc.pfcena) 3019 /* PFC enabled so report LFC as off */ 3020 goto out; 3021 3022 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 3023 pause->tx_pause = 1; 3024 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 3025 pause->rx_pause = 1; 3026 3027 out: 3028 kfree(pcaps); 3029 } 3030 3031 /** 3032 * ice_set_pauseparam - Set Flow Control parameter 3033 * @netdev: network interface device structure 3034 * @pause: return Tx/Rx flow control status 3035 */ 3036 static int 3037 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3038 { 3039 struct ice_netdev_priv *np = netdev_priv(netdev); 3040 struct ice_aqc_get_phy_caps_data *pcaps; 3041 struct ice_link_status *hw_link_info; 3042 struct ice_pf *pf = np->vsi->back; 3043 struct ice_dcbx_cfg *dcbx_cfg; 3044 struct ice_vsi *vsi = np->vsi; 3045 struct ice_hw *hw = &pf->hw; 3046 struct ice_port_info *pi; 3047 u8 aq_failures; 3048 bool link_up; 3049 u32 is_an; 3050 int err; 3051 3052 pi = vsi->port_info; 3053 hw_link_info = &pi->phy.link_info; 3054 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3055 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3056 3057 /* Changing the port's flow control is not supported if this isn't the 3058 * PF VSI 3059 */ 3060 if (vsi->type != ICE_VSI_PF) { 3061 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3062 return -EOPNOTSUPP; 3063 } 3064 3065 /* Get pause param reports configured and negotiated flow control pause 3066 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3067 * defined get pause param pause->autoneg reports SW configured setting, 3068 * so compare pause->autoneg with SW configured to prevent the user from 3069 * using set pause param to chance autoneg. 3070 */ 3071 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3072 if (!pcaps) 3073 return -ENOMEM; 3074 3075 /* Get current PHY config */ 3076 err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3077 NULL); 3078 if (err) { 3079 kfree(pcaps); 3080 return err; 3081 } 3082 3083 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3084 AUTONEG_DISABLE; 3085 3086 kfree(pcaps); 3087 3088 if (pause->autoneg != is_an) { 3089 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3090 return -EOPNOTSUPP; 3091 } 3092 3093 /* If we have link and don't have autoneg */ 3094 if (!test_bit(ICE_DOWN, pf->state) && 3095 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3096 /* Send message that it might not necessarily work*/ 3097 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3098 } 3099 3100 if (dcbx_cfg->pfc.pfcena) { 3101 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3102 return -EOPNOTSUPP; 3103 } 3104 if (pause->rx_pause && pause->tx_pause) 3105 pi->fc.req_mode = ICE_FC_FULL; 3106 else if (pause->rx_pause && !pause->tx_pause) 3107 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3108 else if (!pause->rx_pause && pause->tx_pause) 3109 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3110 else if (!pause->rx_pause && !pause->tx_pause) 3111 pi->fc.req_mode = ICE_FC_NONE; 3112 else 3113 return -EINVAL; 3114 3115 /* Set the FC mode and only restart AN if link is up */ 3116 err = ice_set_fc(pi, &aq_failures, link_up); 3117 3118 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3119 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n", 3120 err, ice_aq_str(hw->adminq.sq_last_status)); 3121 err = -EAGAIN; 3122 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3123 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n", 3124 err, ice_aq_str(hw->adminq.sq_last_status)); 3125 err = -EAGAIN; 3126 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3127 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n", 3128 err, ice_aq_str(hw->adminq.sq_last_status)); 3129 err = -EAGAIN; 3130 } 3131 3132 return err; 3133 } 3134 3135 /** 3136 * ice_get_rxfh_key_size - get the RSS hash key size 3137 * @netdev: network interface device structure 3138 * 3139 * Returns the table size. 3140 */ 3141 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3142 { 3143 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3144 } 3145 3146 /** 3147 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3148 * @netdev: network interface device structure 3149 * 3150 * Returns the table size. 3151 */ 3152 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3153 { 3154 struct ice_netdev_priv *np = netdev_priv(netdev); 3155 3156 return np->vsi->rss_table_size; 3157 } 3158 3159 static int 3160 ice_get_rxfh_context(struct net_device *netdev, u32 *indir, 3161 u8 *key, u8 *hfunc, u32 rss_context) 3162 { 3163 struct ice_netdev_priv *np = netdev_priv(netdev); 3164 struct ice_vsi *vsi = np->vsi; 3165 struct ice_pf *pf = vsi->back; 3166 u16 qcount, offset; 3167 int err, num_tc, i; 3168 u8 *lut; 3169 3170 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3171 netdev_warn(netdev, "RSS is not supported on this VSI!\n"); 3172 return -EOPNOTSUPP; 3173 } 3174 3175 if (rss_context && !ice_is_adq_active(pf)) { 3176 netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n"); 3177 return -EINVAL; 3178 } 3179 3180 qcount = vsi->mqprio_qopt.qopt.count[rss_context]; 3181 offset = vsi->mqprio_qopt.qopt.offset[rss_context]; 3182 3183 if (rss_context && ice_is_adq_active(pf)) { 3184 num_tc = vsi->mqprio_qopt.qopt.num_tc; 3185 if (rss_context >= num_tc) { 3186 netdev_err(netdev, "RSS context:%d > num_tc:%d\n", 3187 rss_context, num_tc); 3188 return -EINVAL; 3189 } 3190 /* Use channel VSI of given TC */ 3191 vsi = vsi->tc_map_vsi[rss_context]; 3192 } 3193 3194 if (hfunc) 3195 *hfunc = ETH_RSS_HASH_TOP; 3196 3197 if (!indir) 3198 return 0; 3199 3200 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3201 if (!lut) 3202 return -ENOMEM; 3203 3204 err = ice_get_rss_key(vsi, key); 3205 if (err) 3206 goto out; 3207 3208 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size); 3209 if (err) 3210 goto out; 3211 3212 if (ice_is_adq_active(pf)) { 3213 for (i = 0; i < vsi->rss_table_size; i++) 3214 indir[i] = offset + lut[i] % qcount; 3215 goto out; 3216 } 3217 3218 for (i = 0; i < vsi->rss_table_size; i++) 3219 indir[i] = lut[i]; 3220 3221 out: 3222 kfree(lut); 3223 return err; 3224 } 3225 3226 /** 3227 * ice_get_rxfh - get the Rx flow hash indirection table 3228 * @netdev: network interface device structure 3229 * @indir: indirection table 3230 * @key: hash key 3231 * @hfunc: hash function 3232 * 3233 * Reads the indirection table directly from the hardware. 3234 */ 3235 static int 3236 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3237 { 3238 return ice_get_rxfh_context(netdev, indir, key, hfunc, 0); 3239 } 3240 3241 /** 3242 * ice_set_rxfh - set the Rx flow hash indirection table 3243 * @netdev: network interface device structure 3244 * @indir: indirection table 3245 * @key: hash key 3246 * @hfunc: hash function 3247 * 3248 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3249 * returns 0 after programming the table. 3250 */ 3251 static int 3252 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3253 const u8 hfunc) 3254 { 3255 struct ice_netdev_priv *np = netdev_priv(netdev); 3256 struct ice_vsi *vsi = np->vsi; 3257 struct ice_pf *pf = vsi->back; 3258 struct device *dev; 3259 int err; 3260 3261 dev = ice_pf_to_dev(pf); 3262 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3263 return -EOPNOTSUPP; 3264 3265 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3266 /* RSS not supported return error here */ 3267 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3268 return -EIO; 3269 } 3270 3271 if (ice_is_adq_active(pf)) { 3272 netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n"); 3273 return -EOPNOTSUPP; 3274 } 3275 3276 if (key) { 3277 if (!vsi->rss_hkey_user) { 3278 vsi->rss_hkey_user = 3279 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3280 GFP_KERNEL); 3281 if (!vsi->rss_hkey_user) 3282 return -ENOMEM; 3283 } 3284 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3285 3286 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3287 if (err) 3288 return err; 3289 } 3290 3291 if (!vsi->rss_lut_user) { 3292 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3293 GFP_KERNEL); 3294 if (!vsi->rss_lut_user) 3295 return -ENOMEM; 3296 } 3297 3298 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3299 if (indir) { 3300 int i; 3301 3302 for (i = 0; i < vsi->rss_table_size; i++) 3303 vsi->rss_lut_user[i] = (u8)(indir[i]); 3304 } else { 3305 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3306 vsi->rss_size); 3307 } 3308 3309 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3310 if (err) 3311 return err; 3312 3313 return 0; 3314 } 3315 3316 static int 3317 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) 3318 { 3319 struct ice_pf *pf = ice_netdev_to_pf(dev); 3320 3321 /* only report timestamping if PTP is enabled */ 3322 if (!test_bit(ICE_FLAG_PTP, pf->flags)) 3323 return ethtool_op_get_ts_info(dev, info); 3324 3325 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3326 SOF_TIMESTAMPING_RX_SOFTWARE | 3327 SOF_TIMESTAMPING_SOFTWARE | 3328 SOF_TIMESTAMPING_TX_HARDWARE | 3329 SOF_TIMESTAMPING_RX_HARDWARE | 3330 SOF_TIMESTAMPING_RAW_HARDWARE; 3331 3332 info->phc_index = ice_get_ptp_clock_index(pf); 3333 3334 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3335 3336 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3337 3338 return 0; 3339 } 3340 3341 /** 3342 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3343 * @pf: PF structure 3344 */ 3345 static int ice_get_max_txq(struct ice_pf *pf) 3346 { 3347 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3348 (u16)pf->hw.func_caps.common_cap.num_txq); 3349 } 3350 3351 /** 3352 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3353 * @pf: PF structure 3354 */ 3355 static int ice_get_max_rxq(struct ice_pf *pf) 3356 { 3357 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3358 (u16)pf->hw.func_caps.common_cap.num_rxq); 3359 } 3360 3361 /** 3362 * ice_get_combined_cnt - return the current number of combined channels 3363 * @vsi: PF VSI pointer 3364 * 3365 * Go through all queue vectors and count ones that have both Rx and Tx ring 3366 * attached 3367 */ 3368 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3369 { 3370 u32 combined = 0; 3371 int q_idx; 3372 3373 ice_for_each_q_vector(vsi, q_idx) { 3374 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3375 3376 if (q_vector->rx.rx_ring && q_vector->tx.tx_ring) 3377 combined++; 3378 } 3379 3380 return combined; 3381 } 3382 3383 /** 3384 * ice_get_channels - get the current and max supported channels 3385 * @dev: network interface device structure 3386 * @ch: ethtool channel data structure 3387 */ 3388 static void 3389 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3390 { 3391 struct ice_netdev_priv *np = netdev_priv(dev); 3392 struct ice_vsi *vsi = np->vsi; 3393 struct ice_pf *pf = vsi->back; 3394 3395 /* report maximum channels */ 3396 ch->max_rx = ice_get_max_rxq(pf); 3397 ch->max_tx = ice_get_max_txq(pf); 3398 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3399 3400 /* report current channels */ 3401 ch->combined_count = ice_get_combined_cnt(vsi); 3402 ch->rx_count = vsi->num_rxq - ch->combined_count; 3403 ch->tx_count = vsi->num_txq - ch->combined_count; 3404 3405 /* report other queues */ 3406 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3407 ch->max_other = ch->other_count; 3408 } 3409 3410 /** 3411 * ice_get_valid_rss_size - return valid number of RSS queues 3412 * @hw: pointer to the HW structure 3413 * @new_size: requested RSS queues 3414 */ 3415 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3416 { 3417 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3418 3419 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3420 } 3421 3422 /** 3423 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3424 * @vsi: VSI to reconfigure RSS LUT on 3425 * @req_rss_size: requested range of queue numbers for hashing 3426 * 3427 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3428 */ 3429 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3430 { 3431 struct ice_pf *pf = vsi->back; 3432 struct device *dev; 3433 struct ice_hw *hw; 3434 int err; 3435 u8 *lut; 3436 3437 dev = ice_pf_to_dev(pf); 3438 hw = &pf->hw; 3439 3440 if (!req_rss_size) 3441 return -EINVAL; 3442 3443 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3444 if (!lut) 3445 return -ENOMEM; 3446 3447 /* set RSS LUT parameters */ 3448 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3449 vsi->rss_size = 1; 3450 else 3451 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3452 3453 /* create/set RSS LUT */ 3454 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3455 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3456 if (err) 3457 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3458 ice_aq_str(hw->adminq.sq_last_status)); 3459 3460 kfree(lut); 3461 return err; 3462 } 3463 3464 /** 3465 * ice_set_channels - set the number channels 3466 * @dev: network interface device structure 3467 * @ch: ethtool channel data structure 3468 */ 3469 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3470 { 3471 struct ice_netdev_priv *np = netdev_priv(dev); 3472 struct ice_vsi *vsi = np->vsi; 3473 struct ice_pf *pf = vsi->back; 3474 int new_rx = 0, new_tx = 0; 3475 u32 curr_combined; 3476 3477 /* do not support changing channels in Safe Mode */ 3478 if (ice_is_safe_mode(pf)) { 3479 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3480 return -EOPNOTSUPP; 3481 } 3482 /* do not support changing other_count */ 3483 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3484 return -EINVAL; 3485 3486 if (ice_is_adq_active(pf)) { 3487 netdev_err(dev, "Cannot set channels with ADQ configured.\n"); 3488 return -EOPNOTSUPP; 3489 } 3490 3491 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3492 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3493 return -EOPNOTSUPP; 3494 } 3495 3496 curr_combined = ice_get_combined_cnt(vsi); 3497 3498 /* these checks are for cases where user didn't specify a particular 3499 * value on cmd line but we get non-zero value anyway via 3500 * get_channels(); look at ethtool.c in ethtool repository (the user 3501 * space part), particularly, do_schannels() routine 3502 */ 3503 if (ch->rx_count == vsi->num_rxq - curr_combined) 3504 ch->rx_count = 0; 3505 if (ch->tx_count == vsi->num_txq - curr_combined) 3506 ch->tx_count = 0; 3507 if (ch->combined_count == curr_combined) 3508 ch->combined_count = 0; 3509 3510 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3511 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3512 return -EINVAL; 3513 } 3514 3515 new_rx = ch->combined_count + ch->rx_count; 3516 new_tx = ch->combined_count + ch->tx_count; 3517 3518 if (new_rx < vsi->tc_cfg.numtc) { 3519 netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n", 3520 vsi->tc_cfg.numtc); 3521 return -EINVAL; 3522 } 3523 if (new_tx < vsi->tc_cfg.numtc) { 3524 netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n", 3525 vsi->tc_cfg.numtc); 3526 return -EINVAL; 3527 } 3528 if (new_rx > ice_get_max_rxq(pf)) { 3529 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3530 ice_get_max_rxq(pf)); 3531 return -EINVAL; 3532 } 3533 if (new_tx > ice_get_max_txq(pf)) { 3534 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3535 ice_get_max_txq(pf)); 3536 return -EINVAL; 3537 } 3538 3539 ice_vsi_recfg_qs(vsi, new_rx, new_tx); 3540 3541 if (!netif_is_rxfh_configured(dev)) 3542 return ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3543 3544 /* Update rss_size due to change in Rx queues */ 3545 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3546 3547 return 0; 3548 } 3549 3550 /** 3551 * ice_get_wol - get current Wake on LAN configuration 3552 * @netdev: network interface device structure 3553 * @wol: Ethtool structure to retrieve WoL settings 3554 */ 3555 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3556 { 3557 struct ice_netdev_priv *np = netdev_priv(netdev); 3558 struct ice_pf *pf = np->vsi->back; 3559 3560 if (np->vsi->type != ICE_VSI_PF) 3561 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3562 3563 /* Get WoL settings based on the HW capability */ 3564 if (ice_is_wol_supported(&pf->hw)) { 3565 wol->supported = WAKE_MAGIC; 3566 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3567 } else { 3568 wol->supported = 0; 3569 wol->wolopts = 0; 3570 } 3571 } 3572 3573 /** 3574 * ice_set_wol - set Wake on LAN on supported device 3575 * @netdev: network interface device structure 3576 * @wol: Ethtool structure to set WoL 3577 */ 3578 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3579 { 3580 struct ice_netdev_priv *np = netdev_priv(netdev); 3581 struct ice_vsi *vsi = np->vsi; 3582 struct ice_pf *pf = vsi->back; 3583 3584 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 3585 return -EOPNOTSUPP; 3586 3587 /* only magic packet is supported */ 3588 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3589 return -EOPNOTSUPP; 3590 3591 /* Set WoL only if there is a new value */ 3592 if (pf->wol_ena != !!wol->wolopts) { 3593 pf->wol_ena = !!wol->wolopts; 3594 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3595 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3596 pf->wol_ena ? "en" : "dis"); 3597 } 3598 3599 return 0; 3600 } 3601 3602 /** 3603 * ice_get_rc_coalesce - get ITR values for specific ring container 3604 * @ec: ethtool structure to fill with driver's coalesce settings 3605 * @rc: ring container that the ITR values will come from 3606 * 3607 * Query the device for ice_ring_container specific ITR values. This is 3608 * done per ice_ring_container because each q_vector can have 1 or more rings 3609 * and all of said ring(s) will have the same ITR values. 3610 * 3611 * Returns 0 on success, negative otherwise. 3612 */ 3613 static int 3614 ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc) 3615 { 3616 if (!rc->rx_ring) 3617 return -EINVAL; 3618 3619 switch (rc->type) { 3620 case ICE_RX_CONTAINER: 3621 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 3622 ec->rx_coalesce_usecs = rc->itr_setting; 3623 ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl; 3624 break; 3625 case ICE_TX_CONTAINER: 3626 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 3627 ec->tx_coalesce_usecs = rc->itr_setting; 3628 break; 3629 default: 3630 dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type); 3631 return -EINVAL; 3632 } 3633 3634 return 0; 3635 } 3636 3637 /** 3638 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3639 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3640 * @ec: coalesce settings to program the device with 3641 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3642 * 3643 * Return 0 on success, and negative under the following conditions: 3644 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3645 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3646 */ 3647 static int 3648 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3649 { 3650 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3651 if (ice_get_rc_coalesce(ec, 3652 &vsi->rx_rings[q_num]->q_vector->rx)) 3653 return -EINVAL; 3654 if (ice_get_rc_coalesce(ec, 3655 &vsi->tx_rings[q_num]->q_vector->tx)) 3656 return -EINVAL; 3657 } else if (q_num < vsi->num_rxq) { 3658 if (ice_get_rc_coalesce(ec, 3659 &vsi->rx_rings[q_num]->q_vector->rx)) 3660 return -EINVAL; 3661 } else if (q_num < vsi->num_txq) { 3662 if (ice_get_rc_coalesce(ec, 3663 &vsi->tx_rings[q_num]->q_vector->tx)) 3664 return -EINVAL; 3665 } else { 3666 return -EINVAL; 3667 } 3668 3669 return 0; 3670 } 3671 3672 /** 3673 * __ice_get_coalesce - get ITR/INTRL values for the device 3674 * @netdev: pointer to the netdev associated with this query 3675 * @ec: ethtool structure to fill with driver's coalesce settings 3676 * @q_num: queue number to get the coalesce settings for 3677 * 3678 * If the caller passes in a negative q_num then we return coalesce settings 3679 * based on queue number 0, else use the actual q_num passed in. 3680 */ 3681 static int 3682 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3683 int q_num) 3684 { 3685 struct ice_netdev_priv *np = netdev_priv(netdev); 3686 struct ice_vsi *vsi = np->vsi; 3687 3688 if (q_num < 0) 3689 q_num = 0; 3690 3691 if (ice_get_q_coalesce(vsi, ec, q_num)) 3692 return -EINVAL; 3693 3694 return 0; 3695 } 3696 3697 static int ice_get_coalesce(struct net_device *netdev, 3698 struct ethtool_coalesce *ec, 3699 struct kernel_ethtool_coalesce *kernel_coal, 3700 struct netlink_ext_ack *extack) 3701 { 3702 return __ice_get_coalesce(netdev, ec, -1); 3703 } 3704 3705 static int 3706 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3707 struct ethtool_coalesce *ec) 3708 { 3709 return __ice_get_coalesce(netdev, ec, q_num); 3710 } 3711 3712 /** 3713 * ice_set_rc_coalesce - set ITR values for specific ring container 3714 * @ec: ethtool structure from user to update ITR settings 3715 * @rc: ring container that the ITR values will come from 3716 * @vsi: VSI associated to the ring container 3717 * 3718 * Set specific ITR values. This is done per ice_ring_container because each 3719 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3720 * ITR values. 3721 * 3722 * Returns 0 on success, negative otherwise. 3723 */ 3724 static int 3725 ice_set_rc_coalesce(struct ethtool_coalesce *ec, 3726 struct ice_ring_container *rc, struct ice_vsi *vsi) 3727 { 3728 const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3729 u32 use_adaptive_coalesce, coalesce_usecs; 3730 struct ice_pf *pf = vsi->back; 3731 u16 itr_setting; 3732 3733 if (!rc->rx_ring) 3734 return -EINVAL; 3735 3736 switch (rc->type) { 3737 case ICE_RX_CONTAINER: 3738 { 3739 struct ice_q_vector *q_vector = rc->rx_ring->q_vector; 3740 3741 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3742 (ec->rx_coalesce_usecs_high && 3743 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3744 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3745 c_type_str, pf->hw.intrl_gran, 3746 ICE_MAX_INTRL); 3747 return -EINVAL; 3748 } 3749 if (ec->rx_coalesce_usecs_high != q_vector->intrl && 3750 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 3751 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 3752 c_type_str); 3753 return -EINVAL; 3754 } 3755 if (ec->rx_coalesce_usecs_high != q_vector->intrl) 3756 q_vector->intrl = ec->rx_coalesce_usecs_high; 3757 3758 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3759 coalesce_usecs = ec->rx_coalesce_usecs; 3760 3761 break; 3762 } 3763 case ICE_TX_CONTAINER: 3764 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3765 coalesce_usecs = ec->tx_coalesce_usecs; 3766 3767 break; 3768 default: 3769 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3770 rc->type); 3771 return -EINVAL; 3772 } 3773 3774 itr_setting = rc->itr_setting; 3775 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3776 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3777 c_type_str, c_type_str); 3778 return -EINVAL; 3779 } 3780 3781 if (coalesce_usecs > ICE_ITR_MAX) { 3782 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3783 c_type_str, ICE_ITR_MAX); 3784 return -EINVAL; 3785 } 3786 3787 if (use_adaptive_coalesce) { 3788 rc->itr_mode = ITR_DYNAMIC; 3789 } else { 3790 rc->itr_mode = ITR_STATIC; 3791 /* store user facing value how it was set */ 3792 rc->itr_setting = coalesce_usecs; 3793 /* write the change to the register */ 3794 ice_write_itr(rc, coalesce_usecs); 3795 /* force writes to take effect immediately, the flush shouldn't 3796 * be done in the functions above because the intent is for 3797 * them to do lazy writes. 3798 */ 3799 ice_flush(&pf->hw); 3800 } 3801 3802 return 0; 3803 } 3804 3805 /** 3806 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3807 * @vsi: VSI associated to the queue that need updating 3808 * @ec: coalesce settings to program the device with 3809 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3810 * 3811 * Return 0 on success, and negative under the following conditions: 3812 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3813 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3814 */ 3815 static int 3816 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3817 { 3818 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3819 if (ice_set_rc_coalesce(ec, 3820 &vsi->rx_rings[q_num]->q_vector->rx, 3821 vsi)) 3822 return -EINVAL; 3823 3824 if (ice_set_rc_coalesce(ec, 3825 &vsi->tx_rings[q_num]->q_vector->tx, 3826 vsi)) 3827 return -EINVAL; 3828 } else if (q_num < vsi->num_rxq) { 3829 if (ice_set_rc_coalesce(ec, 3830 &vsi->rx_rings[q_num]->q_vector->rx, 3831 vsi)) 3832 return -EINVAL; 3833 } else if (q_num < vsi->num_txq) { 3834 if (ice_set_rc_coalesce(ec, 3835 &vsi->tx_rings[q_num]->q_vector->tx, 3836 vsi)) 3837 return -EINVAL; 3838 } else { 3839 return -EINVAL; 3840 } 3841 3842 return 0; 3843 } 3844 3845 /** 3846 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3847 * @netdev: netdev used for print 3848 * @itr_setting: previous user setting 3849 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3850 * @coalesce_usecs: requested value of [tx|rx]-usecs 3851 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3852 */ 3853 static void 3854 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3855 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3856 const char *c_type_str) 3857 { 3858 if (use_adaptive_coalesce) 3859 return; 3860 3861 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3862 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", 3863 c_type_str, coalesce_usecs, c_type_str, 3864 ITR_REG_ALIGN(coalesce_usecs)); 3865 } 3866 3867 /** 3868 * __ice_set_coalesce - set ITR/INTRL values for the device 3869 * @netdev: pointer to the netdev associated with this query 3870 * @ec: ethtool structure to fill with driver's coalesce settings 3871 * @q_num: queue number to get the coalesce settings for 3872 * 3873 * If the caller passes in a negative q_num then we set the coalesce settings 3874 * for all Tx/Rx queues, else use the actual q_num passed in. 3875 */ 3876 static int 3877 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3878 int q_num) 3879 { 3880 struct ice_netdev_priv *np = netdev_priv(netdev); 3881 struct ice_vsi *vsi = np->vsi; 3882 3883 if (q_num < 0) { 3884 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3885 int v_idx; 3886 3887 if (q_vector) { 3888 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3889 ec->use_adaptive_rx_coalesce, 3890 ec->rx_coalesce_usecs, "rx"); 3891 3892 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3893 ec->use_adaptive_tx_coalesce, 3894 ec->tx_coalesce_usecs, "tx"); 3895 } 3896 3897 ice_for_each_q_vector(vsi, v_idx) { 3898 /* In some cases if DCB is configured the num_[rx|tx]q 3899 * can be less than vsi->num_q_vectors. This check 3900 * accounts for that so we don't report a false failure 3901 */ 3902 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3903 goto set_complete; 3904 3905 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3906 return -EINVAL; 3907 3908 ice_set_q_vector_intrl(vsi->q_vectors[v_idx]); 3909 } 3910 goto set_complete; 3911 } 3912 3913 if (ice_set_q_coalesce(vsi, ec, q_num)) 3914 return -EINVAL; 3915 3916 ice_set_q_vector_intrl(vsi->q_vectors[q_num]); 3917 3918 set_complete: 3919 return 0; 3920 } 3921 3922 static int ice_set_coalesce(struct net_device *netdev, 3923 struct ethtool_coalesce *ec, 3924 struct kernel_ethtool_coalesce *kernel_coal, 3925 struct netlink_ext_ack *extack) 3926 { 3927 return __ice_set_coalesce(netdev, ec, -1); 3928 } 3929 3930 static int 3931 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3932 struct ethtool_coalesce *ec) 3933 { 3934 return __ice_set_coalesce(netdev, ec, q_num); 3935 } 3936 3937 static void 3938 ice_repr_get_drvinfo(struct net_device *netdev, 3939 struct ethtool_drvinfo *drvinfo) 3940 { 3941 struct ice_repr *repr = ice_netdev_to_repr(netdev); 3942 3943 if (ice_check_vf_ready_for_cfg(repr->vf)) 3944 return; 3945 3946 __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi); 3947 } 3948 3949 static void 3950 ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 3951 { 3952 struct ice_repr *repr = ice_netdev_to_repr(netdev); 3953 3954 /* for port representors only ETH_SS_STATS is supported */ 3955 if (ice_check_vf_ready_for_cfg(repr->vf) || 3956 stringset != ETH_SS_STATS) 3957 return; 3958 3959 __ice_get_strings(netdev, stringset, data, repr->src_vsi); 3960 } 3961 3962 static void 3963 ice_repr_get_ethtool_stats(struct net_device *netdev, 3964 struct ethtool_stats __always_unused *stats, 3965 u64 *data) 3966 { 3967 struct ice_repr *repr = ice_netdev_to_repr(netdev); 3968 3969 if (ice_check_vf_ready_for_cfg(repr->vf)) 3970 return; 3971 3972 __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi); 3973 } 3974 3975 static int ice_repr_get_sset_count(struct net_device *netdev, int sset) 3976 { 3977 switch (sset) { 3978 case ETH_SS_STATS: 3979 return ICE_VSI_STATS_LEN; 3980 default: 3981 return -EOPNOTSUPP; 3982 } 3983 } 3984 3985 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 3986 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 3987 #define ICE_MODULE_TYPE_SFP 0x03 3988 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 3989 #define ICE_MODULE_TYPE_QSFP28 0x11 3990 #define ICE_MODULE_SFF_ADDR_MODE 0x04 3991 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 3992 #define ICE_MODULE_REVISION_ADDR 0x01 3993 #define ICE_MODULE_SFF_8472_COMP 0x5E 3994 #define ICE_MODULE_SFF_8472_SWAP 0x5C 3995 #define ICE_MODULE_QSFP_MAX_LEN 640 3996 3997 /** 3998 * ice_get_module_info - get SFF module type and revision information 3999 * @netdev: network interface device structure 4000 * @modinfo: module EEPROM size and layout information structure 4001 */ 4002 static int 4003 ice_get_module_info(struct net_device *netdev, 4004 struct ethtool_modinfo *modinfo) 4005 { 4006 struct ice_netdev_priv *np = netdev_priv(netdev); 4007 struct ice_vsi *vsi = np->vsi; 4008 struct ice_pf *pf = vsi->back; 4009 struct ice_hw *hw = &pf->hw; 4010 u8 sff8472_comp = 0; 4011 u8 sff8472_swap = 0; 4012 u8 sff8636_rev = 0; 4013 u8 value = 0; 4014 int status; 4015 4016 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 4017 0, &value, 1, 0, NULL); 4018 if (status) 4019 return status; 4020 4021 switch (value) { 4022 case ICE_MODULE_TYPE_SFP: 4023 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4024 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 4025 &sff8472_comp, 1, 0, NULL); 4026 if (status) 4027 return status; 4028 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4029 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 4030 &sff8472_swap, 1, 0, NULL); 4031 if (status) 4032 return status; 4033 4034 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 4035 modinfo->type = ETH_MODULE_SFF_8079; 4036 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4037 } else if (sff8472_comp && 4038 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 4039 modinfo->type = ETH_MODULE_SFF_8472; 4040 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 4041 } else { 4042 modinfo->type = ETH_MODULE_SFF_8079; 4043 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 4044 } 4045 break; 4046 case ICE_MODULE_TYPE_QSFP_PLUS: 4047 case ICE_MODULE_TYPE_QSFP28: 4048 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 4049 ICE_MODULE_REVISION_ADDR, 0x00, 0, 4050 &sff8636_rev, 1, 0, NULL); 4051 if (status) 4052 return status; 4053 /* Check revision compliance */ 4054 if (sff8636_rev > 0x02) { 4055 /* Module is SFF-8636 compliant */ 4056 modinfo->type = ETH_MODULE_SFF_8636; 4057 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4058 } else { 4059 modinfo->type = ETH_MODULE_SFF_8436; 4060 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 4061 } 4062 break; 4063 default: 4064 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 4065 return -EINVAL; 4066 } 4067 return 0; 4068 } 4069 4070 /** 4071 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 4072 * @netdev: network interface device structure 4073 * @ee: EEPROM dump request structure 4074 * @data: buffer to be filled with EEPROM contents 4075 */ 4076 static int 4077 ice_get_module_eeprom(struct net_device *netdev, 4078 struct ethtool_eeprom *ee, u8 *data) 4079 { 4080 struct ice_netdev_priv *np = netdev_priv(netdev); 4081 #define SFF_READ_BLOCK_SIZE 8 4082 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 4083 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 4084 struct ice_vsi *vsi = np->vsi; 4085 struct ice_pf *pf = vsi->back; 4086 struct ice_hw *hw = &pf->hw; 4087 bool is_sfp = false; 4088 unsigned int i, j; 4089 u16 offset = 0; 4090 u8 page = 0; 4091 int status; 4092 4093 if (!ee || !ee->len || !data) 4094 return -EINVAL; 4095 4096 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 4097 NULL); 4098 if (status) 4099 return status; 4100 4101 if (value[0] == ICE_MODULE_TYPE_SFP) 4102 is_sfp = true; 4103 4104 memset(data, 0, ee->len); 4105 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 4106 offset = i + ee->offset; 4107 page = 0; 4108 4109 /* Check if we need to access the other memory page */ 4110 if (is_sfp) { 4111 if (offset >= ETH_MODULE_SFF_8079_LEN) { 4112 offset -= ETH_MODULE_SFF_8079_LEN; 4113 addr = ICE_I2C_EEPROM_DEV_ADDR2; 4114 } 4115 } else { 4116 while (offset >= ETH_MODULE_SFF_8436_LEN) { 4117 /* Compute memory page number and offset. */ 4118 offset -= ETH_MODULE_SFF_8436_LEN / 2; 4119 page++; 4120 } 4121 } 4122 4123 /* Bit 2 of EEPROM address 0x02 declares upper 4124 * pages are disabled on QSFP modules. 4125 * SFP modules only ever use page 0. 4126 */ 4127 if (page == 0 || !(data[0x2] & 0x4)) { 4128 /* If i2c bus is busy due to slow page change or 4129 * link management access, call can fail. This is normal. 4130 * So we retry this a few times. 4131 */ 4132 for (j = 0; j < 4; j++) { 4133 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 4134 !is_sfp, value, 4135 SFF_READ_BLOCK_SIZE, 4136 0, NULL); 4137 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n", 4138 addr, offset, page, is_sfp, 4139 value[0], value[1], value[2], value[3], 4140 value[4], value[5], value[6], value[7], 4141 status); 4142 if (status) { 4143 usleep_range(1500, 2500); 4144 memset(value, 0, SFF_READ_BLOCK_SIZE); 4145 continue; 4146 } 4147 break; 4148 } 4149 4150 /* Make sure we have enough room for the new block */ 4151 if ((i + SFF_READ_BLOCK_SIZE) < ee->len) 4152 memcpy(data + i, value, SFF_READ_BLOCK_SIZE); 4153 } 4154 } 4155 return 0; 4156 } 4157 4158 static const struct ethtool_ops ice_ethtool_ops = { 4159 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 4160 ETHTOOL_COALESCE_USE_ADAPTIVE | 4161 ETHTOOL_COALESCE_RX_USECS_HIGH, 4162 .get_link_ksettings = ice_get_link_ksettings, 4163 .set_link_ksettings = ice_set_link_ksettings, 4164 .get_drvinfo = ice_get_drvinfo, 4165 .get_regs_len = ice_get_regs_len, 4166 .get_regs = ice_get_regs, 4167 .get_wol = ice_get_wol, 4168 .set_wol = ice_set_wol, 4169 .get_msglevel = ice_get_msglevel, 4170 .set_msglevel = ice_set_msglevel, 4171 .self_test = ice_self_test, 4172 .get_link = ethtool_op_get_link, 4173 .get_eeprom_len = ice_get_eeprom_len, 4174 .get_eeprom = ice_get_eeprom, 4175 .get_coalesce = ice_get_coalesce, 4176 .set_coalesce = ice_set_coalesce, 4177 .get_strings = ice_get_strings, 4178 .set_phys_id = ice_set_phys_id, 4179 .get_ethtool_stats = ice_get_ethtool_stats, 4180 .get_priv_flags = ice_get_priv_flags, 4181 .set_priv_flags = ice_set_priv_flags, 4182 .get_sset_count = ice_get_sset_count, 4183 .get_rxnfc = ice_get_rxnfc, 4184 .set_rxnfc = ice_set_rxnfc, 4185 .get_ringparam = ice_get_ringparam, 4186 .set_ringparam = ice_set_ringparam, 4187 .nway_reset = ice_nway_reset, 4188 .get_pauseparam = ice_get_pauseparam, 4189 .set_pauseparam = ice_set_pauseparam, 4190 .get_rxfh_key_size = ice_get_rxfh_key_size, 4191 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4192 .get_rxfh_context = ice_get_rxfh_context, 4193 .get_rxfh = ice_get_rxfh, 4194 .set_rxfh = ice_set_rxfh, 4195 .get_channels = ice_get_channels, 4196 .set_channels = ice_set_channels, 4197 .get_ts_info = ice_get_ts_info, 4198 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4199 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4200 .get_fecparam = ice_get_fecparam, 4201 .set_fecparam = ice_set_fecparam, 4202 .get_module_info = ice_get_module_info, 4203 .get_module_eeprom = ice_get_module_eeprom, 4204 }; 4205 4206 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4207 .get_link_ksettings = ice_get_link_ksettings, 4208 .set_link_ksettings = ice_set_link_ksettings, 4209 .get_drvinfo = ice_get_drvinfo, 4210 .get_regs_len = ice_get_regs_len, 4211 .get_regs = ice_get_regs, 4212 .get_wol = ice_get_wol, 4213 .set_wol = ice_set_wol, 4214 .get_msglevel = ice_get_msglevel, 4215 .set_msglevel = ice_set_msglevel, 4216 .get_link = ethtool_op_get_link, 4217 .get_eeprom_len = ice_get_eeprom_len, 4218 .get_eeprom = ice_get_eeprom, 4219 .get_strings = ice_get_strings, 4220 .get_ethtool_stats = ice_get_ethtool_stats, 4221 .get_sset_count = ice_get_sset_count, 4222 .get_ringparam = ice_get_ringparam, 4223 .set_ringparam = ice_set_ringparam, 4224 .nway_reset = ice_nway_reset, 4225 .get_channels = ice_get_channels, 4226 }; 4227 4228 /** 4229 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4230 * @netdev: network interface device structure 4231 */ 4232 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4233 { 4234 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4235 } 4236 4237 static const struct ethtool_ops ice_ethtool_repr_ops = { 4238 .get_drvinfo = ice_repr_get_drvinfo, 4239 .get_link = ethtool_op_get_link, 4240 .get_strings = ice_repr_get_strings, 4241 .get_ethtool_stats = ice_repr_get_ethtool_stats, 4242 .get_sset_count = ice_repr_get_sset_count, 4243 }; 4244 4245 /** 4246 * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops 4247 * @netdev: network interface device structure 4248 */ 4249 void ice_set_ethtool_repr_ops(struct net_device *netdev) 4250 { 4251 netdev->ethtool_ops = &ice_ethtool_repr_ops; 4252 } 4253 4254 /** 4255 * ice_set_ethtool_ops - setup netdev ethtool ops 4256 * @netdev: network interface device structure 4257 * 4258 * setup netdev ethtool ops with ice specific ops 4259 */ 4260 void ice_set_ethtool_ops(struct net_device *netdev) 4261 { 4262 netdev->ethtool_ops = &ice_ethtool_ops; 4263 } 4264