1 /* 2 * Copyright (C) 2013-2015 Chelsio Communications. All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms and conditions of the GNU General Public License, 6 * version 2, as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11 * more details. 12 * 13 * The full GNU General Public License is included in this distribution in 14 * the file called "COPYING". 15 * 16 */ 17 18 #include <linux/firmware.h> 19 #include <linux/mdio.h> 20 21 #include "cxgb4.h" 22 #include "t4_regs.h" 23 #include "t4fw_api.h" 24 #include "cxgb4_cudbg.h" 25 26 #define EEPROM_MAGIC 0x38E2F10C 27 28 static u32 get_msglevel(struct net_device *dev) 29 { 30 return netdev2adap(dev)->msg_enable; 31 } 32 33 static void set_msglevel(struct net_device *dev, u32 val) 34 { 35 netdev2adap(dev)->msg_enable = val; 36 } 37 38 static const char stats_strings[][ETH_GSTRING_LEN] = { 39 "tx_octets_ok ", 40 "tx_frames_ok ", 41 "tx_broadcast_frames ", 42 "tx_multicast_frames ", 43 "tx_unicast_frames ", 44 "tx_error_frames ", 45 46 "tx_frames_64 ", 47 "tx_frames_65_to_127 ", 48 "tx_frames_128_to_255 ", 49 "tx_frames_256_to_511 ", 50 "tx_frames_512_to_1023 ", 51 "tx_frames_1024_to_1518 ", 52 "tx_frames_1519_to_max ", 53 54 "tx_frames_dropped ", 55 "tx_pause_frames ", 56 "tx_ppp0_frames ", 57 "tx_ppp1_frames ", 58 "tx_ppp2_frames ", 59 "tx_ppp3_frames ", 60 "tx_ppp4_frames ", 61 "tx_ppp5_frames ", 62 "tx_ppp6_frames ", 63 "tx_ppp7_frames ", 64 65 "rx_octets_ok ", 66 "rx_frames_ok ", 67 "rx_broadcast_frames ", 68 "rx_multicast_frames ", 69 "rx_unicast_frames ", 70 71 "rx_frames_too_long ", 72 "rx_jabber_errors ", 73 "rx_fcs_errors ", 74 "rx_length_errors ", 75 "rx_symbol_errors ", 76 "rx_runt_frames ", 77 78 "rx_frames_64 ", 79 "rx_frames_65_to_127 ", 80 "rx_frames_128_to_255 ", 81 "rx_frames_256_to_511 ", 82 "rx_frames_512_to_1023 ", 83 "rx_frames_1024_to_1518 ", 84 "rx_frames_1519_to_max ", 85 86 "rx_pause_frames ", 87 "rx_ppp0_frames ", 88 "rx_ppp1_frames ", 89 "rx_ppp2_frames ", 90 "rx_ppp3_frames ", 91 "rx_ppp4_frames ", 92 "rx_ppp5_frames ", 93 "rx_ppp6_frames ", 94 "rx_ppp7_frames ", 95 96 "rx_bg0_frames_dropped ", 97 "rx_bg1_frames_dropped ", 98 "rx_bg2_frames_dropped ", 99 "rx_bg3_frames_dropped ", 100 "rx_bg0_frames_trunc ", 101 "rx_bg1_frames_trunc ", 102 "rx_bg2_frames_trunc ", 103 "rx_bg3_frames_trunc ", 104 105 "tso ", 106 "tx_csum_offload ", 107 "rx_csum_good ", 108 "vlan_extractions ", 109 "vlan_insertions ", 110 "gro_packets ", 111 "gro_merged ", 112 }; 113 114 static char adapter_stats_strings[][ETH_GSTRING_LEN] = { 115 "db_drop ", 116 "db_full ", 117 "db_empty ", 118 "tcp_ipv4_out_rsts ", 119 "tcp_ipv4_in_segs ", 120 "tcp_ipv4_out_segs ", 121 "tcp_ipv4_retrans_segs ", 122 "tcp_ipv6_out_rsts ", 123 "tcp_ipv6_in_segs ", 124 "tcp_ipv6_out_segs ", 125 "tcp_ipv6_retrans_segs ", 126 "usm_ddp_frames ", 127 "usm_ddp_octets ", 128 "usm_ddp_drops ", 129 "rdma_no_rqe_mod_defer ", 130 "rdma_no_rqe_pkt_defer ", 131 "tp_err_ofld_no_neigh ", 132 "tp_err_ofld_cong_defer ", 133 "write_coal_success ", 134 "write_coal_fail ", 135 }; 136 137 static char channel_stats_strings[][ETH_GSTRING_LEN] = { 138 "--------Channel--------- ", 139 "tp_cpl_requests ", 140 "tp_cpl_responses ", 141 "tp_mac_in_errs ", 142 "tp_hdr_in_errs ", 143 "tp_tcp_in_errs ", 144 "tp_tcp6_in_errs ", 145 "tp_tnl_cong_drops ", 146 "tp_tnl_tx_drops ", 147 "tp_ofld_vlan_drops ", 148 "tp_ofld_chan_drops ", 149 "fcoe_octets_ddp ", 150 "fcoe_frames_ddp ", 151 "fcoe_frames_drop ", 152 }; 153 154 static char loopback_stats_strings[][ETH_GSTRING_LEN] = { 155 "-------Loopback----------- ", 156 "octets_ok ", 157 "frames_ok ", 158 "bcast_frames ", 159 "mcast_frames ", 160 "ucast_frames ", 161 "error_frames ", 162 "frames_64 ", 163 "frames_65_to_127 ", 164 "frames_128_to_255 ", 165 "frames_256_to_511 ", 166 "frames_512_to_1023 ", 167 "frames_1024_to_1518 ", 168 "frames_1519_to_max ", 169 "frames_dropped ", 170 "bg0_frames_dropped ", 171 "bg1_frames_dropped ", 172 "bg2_frames_dropped ", 173 "bg3_frames_dropped ", 174 "bg0_frames_trunc ", 175 "bg1_frames_trunc ", 176 "bg2_frames_trunc ", 177 "bg3_frames_trunc ", 178 }; 179 180 static int get_sset_count(struct net_device *dev, int sset) 181 { 182 switch (sset) { 183 case ETH_SS_STATS: 184 return ARRAY_SIZE(stats_strings) + 185 ARRAY_SIZE(adapter_stats_strings) + 186 ARRAY_SIZE(channel_stats_strings) + 187 ARRAY_SIZE(loopback_stats_strings); 188 default: 189 return -EOPNOTSUPP; 190 } 191 } 192 193 static int get_regs_len(struct net_device *dev) 194 { 195 struct adapter *adap = netdev2adap(dev); 196 197 return t4_get_regs_len(adap); 198 } 199 200 static int get_eeprom_len(struct net_device *dev) 201 { 202 return EEPROMSIZE; 203 } 204 205 static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) 206 { 207 struct adapter *adapter = netdev2adap(dev); 208 u32 exprom_vers; 209 210 strlcpy(info->driver, cxgb4_driver_name, sizeof(info->driver)); 211 strlcpy(info->version, cxgb4_driver_version, 212 sizeof(info->version)); 213 strlcpy(info->bus_info, pci_name(adapter->pdev), 214 sizeof(info->bus_info)); 215 info->regdump_len = get_regs_len(dev); 216 217 if (!adapter->params.fw_vers) 218 strcpy(info->fw_version, "N/A"); 219 else 220 snprintf(info->fw_version, sizeof(info->fw_version), 221 "%u.%u.%u.%u, TP %u.%u.%u.%u", 222 FW_HDR_FW_VER_MAJOR_G(adapter->params.fw_vers), 223 FW_HDR_FW_VER_MINOR_G(adapter->params.fw_vers), 224 FW_HDR_FW_VER_MICRO_G(adapter->params.fw_vers), 225 FW_HDR_FW_VER_BUILD_G(adapter->params.fw_vers), 226 FW_HDR_FW_VER_MAJOR_G(adapter->params.tp_vers), 227 FW_HDR_FW_VER_MINOR_G(adapter->params.tp_vers), 228 FW_HDR_FW_VER_MICRO_G(adapter->params.tp_vers), 229 FW_HDR_FW_VER_BUILD_G(adapter->params.tp_vers)); 230 231 if (!t4_get_exprom_version(adapter, &exprom_vers)) 232 snprintf(info->erom_version, sizeof(info->erom_version), 233 "%u.%u.%u.%u", 234 FW_HDR_FW_VER_MAJOR_G(exprom_vers), 235 FW_HDR_FW_VER_MINOR_G(exprom_vers), 236 FW_HDR_FW_VER_MICRO_G(exprom_vers), 237 FW_HDR_FW_VER_BUILD_G(exprom_vers)); 238 } 239 240 static void get_strings(struct net_device *dev, u32 stringset, u8 *data) 241 { 242 if (stringset == ETH_SS_STATS) { 243 memcpy(data, stats_strings, sizeof(stats_strings)); 244 data += sizeof(stats_strings); 245 memcpy(data, adapter_stats_strings, 246 sizeof(adapter_stats_strings)); 247 data += sizeof(adapter_stats_strings); 248 memcpy(data, channel_stats_strings, 249 sizeof(channel_stats_strings)); 250 data += sizeof(channel_stats_strings); 251 memcpy(data, loopback_stats_strings, 252 sizeof(loopback_stats_strings)); 253 } 254 } 255 256 /* port stats maintained per queue of the port. They should be in the same 257 * order as in stats_strings above. 258 */ 259 struct queue_port_stats { 260 u64 tso; 261 u64 tx_csum; 262 u64 rx_csum; 263 u64 vlan_ex; 264 u64 vlan_ins; 265 u64 gro_pkts; 266 u64 gro_merged; 267 }; 268 269 struct adapter_stats { 270 u64 db_drop; 271 u64 db_full; 272 u64 db_empty; 273 u64 tcp_v4_out_rsts; 274 u64 tcp_v4_in_segs; 275 u64 tcp_v4_out_segs; 276 u64 tcp_v4_retrans_segs; 277 u64 tcp_v6_out_rsts; 278 u64 tcp_v6_in_segs; 279 u64 tcp_v6_out_segs; 280 u64 tcp_v6_retrans_segs; 281 u64 frames; 282 u64 octets; 283 u64 drops; 284 u64 rqe_dfr_mod; 285 u64 rqe_dfr_pkt; 286 u64 ofld_no_neigh; 287 u64 ofld_cong_defer; 288 u64 wc_success; 289 u64 wc_fail; 290 }; 291 292 struct channel_stats { 293 u64 cpl_req; 294 u64 cpl_rsp; 295 u64 mac_in_errs; 296 u64 hdr_in_errs; 297 u64 tcp_in_errs; 298 u64 tcp6_in_errs; 299 u64 tnl_cong_drops; 300 u64 tnl_tx_drops; 301 u64 ofld_vlan_drops; 302 u64 ofld_chan_drops; 303 u64 octets_ddp; 304 u64 frames_ddp; 305 u64 frames_drop; 306 }; 307 308 static void collect_sge_port_stats(const struct adapter *adap, 309 const struct port_info *p, 310 struct queue_port_stats *s) 311 { 312 int i; 313 const struct sge_eth_txq *tx = &adap->sge.ethtxq[p->first_qset]; 314 const struct sge_eth_rxq *rx = &adap->sge.ethrxq[p->first_qset]; 315 316 memset(s, 0, sizeof(*s)); 317 for (i = 0; i < p->nqsets; i++, rx++, tx++) { 318 s->tso += tx->tso; 319 s->tx_csum += tx->tx_cso; 320 s->rx_csum += rx->stats.rx_cso; 321 s->vlan_ex += rx->stats.vlan_ex; 322 s->vlan_ins += tx->vlan_ins; 323 s->gro_pkts += rx->stats.lro_pkts; 324 s->gro_merged += rx->stats.lro_merged; 325 } 326 } 327 328 static void collect_adapter_stats(struct adapter *adap, struct adapter_stats *s) 329 { 330 struct tp_tcp_stats v4, v6; 331 struct tp_rdma_stats rdma_stats; 332 struct tp_err_stats err_stats; 333 struct tp_usm_stats usm_stats; 334 u64 val1, val2; 335 336 memset(s, 0, sizeof(*s)); 337 338 spin_lock(&adap->stats_lock); 339 t4_tp_get_tcp_stats(adap, &v4, &v6, false); 340 t4_tp_get_rdma_stats(adap, &rdma_stats, false); 341 t4_get_usm_stats(adap, &usm_stats, false); 342 t4_tp_get_err_stats(adap, &err_stats, false); 343 spin_unlock(&adap->stats_lock); 344 345 s->db_drop = adap->db_stats.db_drop; 346 s->db_full = adap->db_stats.db_full; 347 s->db_empty = adap->db_stats.db_empty; 348 349 s->tcp_v4_out_rsts = v4.tcp_out_rsts; 350 s->tcp_v4_in_segs = v4.tcp_in_segs; 351 s->tcp_v4_out_segs = v4.tcp_out_segs; 352 s->tcp_v4_retrans_segs = v4.tcp_retrans_segs; 353 s->tcp_v6_out_rsts = v6.tcp_out_rsts; 354 s->tcp_v6_in_segs = v6.tcp_in_segs; 355 s->tcp_v6_out_segs = v6.tcp_out_segs; 356 s->tcp_v6_retrans_segs = v6.tcp_retrans_segs; 357 358 if (is_offload(adap)) { 359 s->frames = usm_stats.frames; 360 s->octets = usm_stats.octets; 361 s->drops = usm_stats.drops; 362 s->rqe_dfr_mod = rdma_stats.rqe_dfr_mod; 363 s->rqe_dfr_pkt = rdma_stats.rqe_dfr_pkt; 364 } 365 366 s->ofld_no_neigh = err_stats.ofld_no_neigh; 367 s->ofld_cong_defer = err_stats.ofld_cong_defer; 368 369 if (!is_t4(adap->params.chip)) { 370 int v; 371 372 v = t4_read_reg(adap, SGE_STAT_CFG_A); 373 if (STATSOURCE_T5_G(v) == 7) { 374 val2 = t4_read_reg(adap, SGE_STAT_MATCH_A); 375 val1 = t4_read_reg(adap, SGE_STAT_TOTAL_A); 376 s->wc_success = val1 - val2; 377 s->wc_fail = val2; 378 } 379 } 380 } 381 382 static void collect_channel_stats(struct adapter *adap, struct channel_stats *s, 383 u8 i) 384 { 385 struct tp_cpl_stats cpl_stats; 386 struct tp_err_stats err_stats; 387 struct tp_fcoe_stats fcoe_stats; 388 389 memset(s, 0, sizeof(*s)); 390 391 spin_lock(&adap->stats_lock); 392 t4_tp_get_cpl_stats(adap, &cpl_stats, false); 393 t4_tp_get_err_stats(adap, &err_stats, false); 394 t4_get_fcoe_stats(adap, i, &fcoe_stats, false); 395 spin_unlock(&adap->stats_lock); 396 397 s->cpl_req = cpl_stats.req[i]; 398 s->cpl_rsp = cpl_stats.rsp[i]; 399 s->mac_in_errs = err_stats.mac_in_errs[i]; 400 s->hdr_in_errs = err_stats.hdr_in_errs[i]; 401 s->tcp_in_errs = err_stats.tcp_in_errs[i]; 402 s->tcp6_in_errs = err_stats.tcp6_in_errs[i]; 403 s->tnl_cong_drops = err_stats.tnl_cong_drops[i]; 404 s->tnl_tx_drops = err_stats.tnl_tx_drops[i]; 405 s->ofld_vlan_drops = err_stats.ofld_vlan_drops[i]; 406 s->ofld_chan_drops = err_stats.ofld_chan_drops[i]; 407 s->octets_ddp = fcoe_stats.octets_ddp; 408 s->frames_ddp = fcoe_stats.frames_ddp; 409 s->frames_drop = fcoe_stats.frames_drop; 410 } 411 412 static void get_stats(struct net_device *dev, struct ethtool_stats *stats, 413 u64 *data) 414 { 415 struct port_info *pi = netdev_priv(dev); 416 struct adapter *adapter = pi->adapter; 417 struct lb_port_stats s; 418 int i; 419 u64 *p0; 420 421 t4_get_port_stats_offset(adapter, pi->tx_chan, 422 (struct port_stats *)data, 423 &pi->stats_base); 424 425 data += sizeof(struct port_stats) / sizeof(u64); 426 collect_sge_port_stats(adapter, pi, (struct queue_port_stats *)data); 427 data += sizeof(struct queue_port_stats) / sizeof(u64); 428 collect_adapter_stats(adapter, (struct adapter_stats *)data); 429 data += sizeof(struct adapter_stats) / sizeof(u64); 430 431 *data++ = (u64)pi->port_id; 432 collect_channel_stats(adapter, (struct channel_stats *)data, 433 pi->port_id); 434 data += sizeof(struct channel_stats) / sizeof(u64); 435 436 *data++ = (u64)pi->port_id; 437 memset(&s, 0, sizeof(s)); 438 t4_get_lb_stats(adapter, pi->port_id, &s); 439 440 p0 = &s.octets; 441 for (i = 0; i < ARRAY_SIZE(loopback_stats_strings) - 1; i++) 442 *data++ = (unsigned long long)*p0++; 443 } 444 445 static void get_regs(struct net_device *dev, struct ethtool_regs *regs, 446 void *buf) 447 { 448 struct adapter *adap = netdev2adap(dev); 449 size_t buf_size; 450 451 buf_size = t4_get_regs_len(adap); 452 regs->version = mk_adap_vers(adap); 453 t4_get_regs(adap, buf, buf_size); 454 } 455 456 static int restart_autoneg(struct net_device *dev) 457 { 458 struct port_info *p = netdev_priv(dev); 459 460 if (!netif_running(dev)) 461 return -EAGAIN; 462 if (p->link_cfg.autoneg != AUTONEG_ENABLE) 463 return -EINVAL; 464 t4_restart_aneg(p->adapter, p->adapter->pf, p->tx_chan); 465 return 0; 466 } 467 468 static int identify_port(struct net_device *dev, 469 enum ethtool_phys_id_state state) 470 { 471 unsigned int val; 472 struct adapter *adap = netdev2adap(dev); 473 474 if (state == ETHTOOL_ID_ACTIVE) 475 val = 0xffff; 476 else if (state == ETHTOOL_ID_INACTIVE) 477 val = 0; 478 else 479 return -EINVAL; 480 481 return t4_identify_port(adap, adap->pf, netdev2pinfo(dev)->viid, val); 482 } 483 484 /** 485 * from_fw_port_mod_type - translate Firmware Port/Module type to Ethtool 486 * @port_type: Firmware Port Type 487 * @mod_type: Firmware Module Type 488 * 489 * Translate Firmware Port/Module type to Ethtool Port Type. 490 */ 491 static int from_fw_port_mod_type(enum fw_port_type port_type, 492 enum fw_port_module_type mod_type) 493 { 494 if (port_type == FW_PORT_TYPE_BT_SGMII || 495 port_type == FW_PORT_TYPE_BT_XFI || 496 port_type == FW_PORT_TYPE_BT_XAUI) { 497 return PORT_TP; 498 } else if (port_type == FW_PORT_TYPE_FIBER_XFI || 499 port_type == FW_PORT_TYPE_FIBER_XAUI) { 500 return PORT_FIBRE; 501 } else if (port_type == FW_PORT_TYPE_SFP || 502 port_type == FW_PORT_TYPE_QSFP_10G || 503 port_type == FW_PORT_TYPE_QSA || 504 port_type == FW_PORT_TYPE_QSFP || 505 port_type == FW_PORT_TYPE_CR4_QSFP || 506 port_type == FW_PORT_TYPE_CR_QSFP || 507 port_type == FW_PORT_TYPE_CR2_QSFP || 508 port_type == FW_PORT_TYPE_SFP28) { 509 if (mod_type == FW_PORT_MOD_TYPE_LR || 510 mod_type == FW_PORT_MOD_TYPE_SR || 511 mod_type == FW_PORT_MOD_TYPE_ER || 512 mod_type == FW_PORT_MOD_TYPE_LRM) 513 return PORT_FIBRE; 514 else if (mod_type == FW_PORT_MOD_TYPE_TWINAX_PASSIVE || 515 mod_type == FW_PORT_MOD_TYPE_TWINAX_ACTIVE) 516 return PORT_DA; 517 else 518 return PORT_OTHER; 519 } else if (port_type == FW_PORT_TYPE_KR4_100G || 520 port_type == FW_PORT_TYPE_KR_SFP28 || 521 port_type == FW_PORT_TYPE_KR_XLAUI) { 522 return PORT_NONE; 523 } 524 525 return PORT_OTHER; 526 } 527 528 /** 529 * speed_to_fw_caps - translate Port Speed to Firmware Port Capabilities 530 * @speed: speed in Kb/s 531 * 532 * Translates a specific Port Speed into a Firmware Port Capabilities 533 * value. 534 */ 535 static unsigned int speed_to_fw_caps(int speed) 536 { 537 if (speed == 100) 538 return FW_PORT_CAP32_SPEED_100M; 539 if (speed == 1000) 540 return FW_PORT_CAP32_SPEED_1G; 541 if (speed == 10000) 542 return FW_PORT_CAP32_SPEED_10G; 543 if (speed == 25000) 544 return FW_PORT_CAP32_SPEED_25G; 545 if (speed == 40000) 546 return FW_PORT_CAP32_SPEED_40G; 547 if (speed == 50000) 548 return FW_PORT_CAP32_SPEED_50G; 549 if (speed == 100000) 550 return FW_PORT_CAP32_SPEED_100G; 551 if (speed == 200000) 552 return FW_PORT_CAP32_SPEED_200G; 553 if (speed == 400000) 554 return FW_PORT_CAP32_SPEED_400G; 555 return 0; 556 } 557 558 /** 559 * fw_caps_to_lmm - translate Firmware to ethtool Link Mode Mask 560 * @port_type: Firmware Port Type 561 * @fw_caps: Firmware Port Capabilities 562 * @link_mode_mask: ethtool Link Mode Mask 563 * 564 * Translate a Firmware Port Capabilities specification to an ethtool 565 * Link Mode Mask. 566 */ 567 static void fw_caps_to_lmm(enum fw_port_type port_type, 568 unsigned int fw_caps, 569 unsigned long *link_mode_mask) 570 { 571 #define SET_LMM(__lmm_name) \ 572 __set_bit(ETHTOOL_LINK_MODE_ ## __lmm_name ## _BIT, \ 573 link_mode_mask) 574 575 #define FW_CAPS_TO_LMM(__fw_name, __lmm_name) \ 576 do { \ 577 if (fw_caps & FW_PORT_CAP32_ ## __fw_name) \ 578 SET_LMM(__lmm_name); \ 579 } while (0) 580 581 switch (port_type) { 582 case FW_PORT_TYPE_BT_SGMII: 583 case FW_PORT_TYPE_BT_XFI: 584 case FW_PORT_TYPE_BT_XAUI: 585 SET_LMM(TP); 586 FW_CAPS_TO_LMM(SPEED_100M, 100baseT_Full); 587 FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); 588 FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full); 589 break; 590 591 case FW_PORT_TYPE_KX4: 592 case FW_PORT_TYPE_KX: 593 SET_LMM(Backplane); 594 FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); 595 FW_CAPS_TO_LMM(SPEED_10G, 10000baseKX4_Full); 596 break; 597 598 case FW_PORT_TYPE_KR: 599 SET_LMM(Backplane); 600 FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); 601 break; 602 603 case FW_PORT_TYPE_BP_AP: 604 SET_LMM(Backplane); 605 FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); 606 FW_CAPS_TO_LMM(SPEED_10G, 10000baseR_FEC); 607 FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); 608 break; 609 610 case FW_PORT_TYPE_BP4_AP: 611 SET_LMM(Backplane); 612 FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); 613 FW_CAPS_TO_LMM(SPEED_10G, 10000baseR_FEC); 614 FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); 615 FW_CAPS_TO_LMM(SPEED_10G, 10000baseKX4_Full); 616 break; 617 618 case FW_PORT_TYPE_FIBER_XFI: 619 case FW_PORT_TYPE_FIBER_XAUI: 620 case FW_PORT_TYPE_SFP: 621 case FW_PORT_TYPE_QSFP_10G: 622 case FW_PORT_TYPE_QSA: 623 SET_LMM(FIBRE); 624 FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); 625 FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full); 626 break; 627 628 case FW_PORT_TYPE_BP40_BA: 629 case FW_PORT_TYPE_QSFP: 630 SET_LMM(FIBRE); 631 FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); 632 FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full); 633 FW_CAPS_TO_LMM(SPEED_40G, 40000baseSR4_Full); 634 break; 635 636 case FW_PORT_TYPE_CR_QSFP: 637 case FW_PORT_TYPE_SFP28: 638 SET_LMM(FIBRE); 639 FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); 640 FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full); 641 FW_CAPS_TO_LMM(SPEED_25G, 25000baseCR_Full); 642 break; 643 644 case FW_PORT_TYPE_KR_SFP28: 645 SET_LMM(Backplane); 646 FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); 647 FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); 648 FW_CAPS_TO_LMM(SPEED_25G, 25000baseKR_Full); 649 break; 650 651 case FW_PORT_TYPE_KR_XLAUI: 652 SET_LMM(Backplane); 653 FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); 654 FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); 655 FW_CAPS_TO_LMM(SPEED_40G, 40000baseKR4_Full); 656 break; 657 658 case FW_PORT_TYPE_CR2_QSFP: 659 SET_LMM(FIBRE); 660 FW_CAPS_TO_LMM(SPEED_50G, 50000baseSR2_Full); 661 break; 662 663 case FW_PORT_TYPE_KR4_100G: 664 case FW_PORT_TYPE_CR4_QSFP: 665 SET_LMM(FIBRE); 666 FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); 667 FW_CAPS_TO_LMM(SPEED_10G, 10000baseSR_Full); 668 FW_CAPS_TO_LMM(SPEED_40G, 40000baseSR4_Full); 669 FW_CAPS_TO_LMM(SPEED_25G, 25000baseCR_Full); 670 FW_CAPS_TO_LMM(SPEED_50G, 50000baseCR2_Full); 671 FW_CAPS_TO_LMM(SPEED_100G, 100000baseCR4_Full); 672 break; 673 674 default: 675 break; 676 } 677 678 FW_CAPS_TO_LMM(ANEG, Autoneg); 679 FW_CAPS_TO_LMM(802_3_PAUSE, Pause); 680 FW_CAPS_TO_LMM(802_3_ASM_DIR, Asym_Pause); 681 682 #undef FW_CAPS_TO_LMM 683 #undef SET_LMM 684 } 685 686 /** 687 * lmm_to_fw_caps - translate ethtool Link Mode Mask to Firmware 688 * capabilities 689 * @et_lmm: ethtool Link Mode Mask 690 * 691 * Translate ethtool Link Mode Mask into a Firmware Port capabilities 692 * value. 693 */ 694 static unsigned int lmm_to_fw_caps(const unsigned long *link_mode_mask) 695 { 696 unsigned int fw_caps = 0; 697 698 #define LMM_TO_FW_CAPS(__lmm_name, __fw_name) \ 699 do { \ 700 if (test_bit(ETHTOOL_LINK_MODE_ ## __lmm_name ## _BIT, \ 701 link_mode_mask)) \ 702 fw_caps |= FW_PORT_CAP32_ ## __fw_name; \ 703 } while (0) 704 705 LMM_TO_FW_CAPS(100baseT_Full, SPEED_100M); 706 LMM_TO_FW_CAPS(1000baseT_Full, SPEED_1G); 707 LMM_TO_FW_CAPS(10000baseT_Full, SPEED_10G); 708 LMM_TO_FW_CAPS(40000baseSR4_Full, SPEED_40G); 709 LMM_TO_FW_CAPS(25000baseCR_Full, SPEED_25G); 710 LMM_TO_FW_CAPS(50000baseCR2_Full, SPEED_50G); 711 LMM_TO_FW_CAPS(100000baseCR4_Full, SPEED_100G); 712 713 #undef LMM_TO_FW_CAPS 714 715 return fw_caps; 716 } 717 718 static int get_link_ksettings(struct net_device *dev, 719 struct ethtool_link_ksettings *link_ksettings) 720 { 721 struct port_info *pi = netdev_priv(dev); 722 struct ethtool_link_settings *base = &link_ksettings->base; 723 724 /* For the nonce, the Firmware doesn't send up Port State changes 725 * when the Virtual Interface attached to the Port is down. So 726 * if it's down, let's grab any changes. 727 */ 728 if (!netif_running(dev)) 729 (void)t4_update_port_info(pi); 730 731 ethtool_link_ksettings_zero_link_mode(link_ksettings, supported); 732 ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising); 733 ethtool_link_ksettings_zero_link_mode(link_ksettings, lp_advertising); 734 735 base->port = from_fw_port_mod_type(pi->port_type, pi->mod_type); 736 737 if (pi->mdio_addr >= 0) { 738 base->phy_address = pi->mdio_addr; 739 base->mdio_support = (pi->port_type == FW_PORT_TYPE_BT_SGMII 740 ? ETH_MDIO_SUPPORTS_C22 741 : ETH_MDIO_SUPPORTS_C45); 742 } else { 743 base->phy_address = 255; 744 base->mdio_support = 0; 745 } 746 747 fw_caps_to_lmm(pi->port_type, pi->link_cfg.pcaps, 748 link_ksettings->link_modes.supported); 749 fw_caps_to_lmm(pi->port_type, pi->link_cfg.acaps, 750 link_ksettings->link_modes.advertising); 751 fw_caps_to_lmm(pi->port_type, pi->link_cfg.lpacaps, 752 link_ksettings->link_modes.lp_advertising); 753 754 if (netif_carrier_ok(dev)) { 755 base->speed = pi->link_cfg.speed; 756 base->duplex = DUPLEX_FULL; 757 } else { 758 base->speed = SPEED_UNKNOWN; 759 base->duplex = DUPLEX_UNKNOWN; 760 } 761 762 if (pi->link_cfg.fc & PAUSE_RX) { 763 if (pi->link_cfg.fc & PAUSE_TX) { 764 ethtool_link_ksettings_add_link_mode(link_ksettings, 765 advertising, 766 Pause); 767 } else { 768 ethtool_link_ksettings_add_link_mode(link_ksettings, 769 advertising, 770 Asym_Pause); 771 } 772 } else if (pi->link_cfg.fc & PAUSE_TX) { 773 ethtool_link_ksettings_add_link_mode(link_ksettings, 774 advertising, 775 Asym_Pause); 776 } 777 778 base->autoneg = pi->link_cfg.autoneg; 779 if (pi->link_cfg.pcaps & FW_PORT_CAP32_ANEG) 780 ethtool_link_ksettings_add_link_mode(link_ksettings, 781 supported, Autoneg); 782 if (pi->link_cfg.autoneg) 783 ethtool_link_ksettings_add_link_mode(link_ksettings, 784 advertising, Autoneg); 785 786 return 0; 787 } 788 789 static int set_link_ksettings(struct net_device *dev, 790 const struct ethtool_link_ksettings *link_ksettings) 791 { 792 struct port_info *pi = netdev_priv(dev); 793 struct link_config *lc = &pi->link_cfg; 794 const struct ethtool_link_settings *base = &link_ksettings->base; 795 struct link_config old_lc; 796 unsigned int fw_caps; 797 int ret = 0; 798 799 /* only full-duplex supported */ 800 if (base->duplex != DUPLEX_FULL) 801 return -EINVAL; 802 803 old_lc = *lc; 804 if (!(lc->pcaps & FW_PORT_CAP32_ANEG) || 805 base->autoneg == AUTONEG_DISABLE) { 806 fw_caps = speed_to_fw_caps(base->speed); 807 808 /* Must only specify a single speed which must be supported 809 * as part of the Physical Port Capabilities. 810 */ 811 if ((fw_caps & (fw_caps - 1)) != 0 || 812 !(lc->pcaps & fw_caps)) 813 return -EINVAL; 814 815 lc->speed_caps = fw_caps; 816 lc->acaps = fw_caps; 817 } else { 818 fw_caps = 819 lmm_to_fw_caps(link_ksettings->link_modes.advertising); 820 if (!(lc->pcaps & fw_caps)) 821 return -EINVAL; 822 lc->speed_caps = 0; 823 lc->acaps = fw_caps | FW_PORT_CAP32_ANEG; 824 } 825 lc->autoneg = base->autoneg; 826 827 /* If the firmware rejects the Link Configuration request, back out 828 * the changes and report the error. 829 */ 830 ret = t4_link_l1cfg(pi->adapter, pi->adapter->mbox, pi->tx_chan, lc); 831 if (ret) 832 *lc = old_lc; 833 834 return ret; 835 } 836 837 /* Translate the Firmware FEC value into the ethtool value. */ 838 static inline unsigned int fwcap_to_eth_fec(unsigned int fw_fec) 839 { 840 unsigned int eth_fec = 0; 841 842 if (fw_fec & FW_PORT_CAP32_FEC_RS) 843 eth_fec |= ETHTOOL_FEC_RS; 844 if (fw_fec & FW_PORT_CAP32_FEC_BASER_RS) 845 eth_fec |= ETHTOOL_FEC_BASER; 846 847 /* if nothing is set, then FEC is off */ 848 if (!eth_fec) 849 eth_fec = ETHTOOL_FEC_OFF; 850 851 return eth_fec; 852 } 853 854 /* Translate Common Code FEC value into ethtool value. */ 855 static inline unsigned int cc_to_eth_fec(unsigned int cc_fec) 856 { 857 unsigned int eth_fec = 0; 858 859 if (cc_fec & FEC_AUTO) 860 eth_fec |= ETHTOOL_FEC_AUTO; 861 if (cc_fec & FEC_RS) 862 eth_fec |= ETHTOOL_FEC_RS; 863 if (cc_fec & FEC_BASER_RS) 864 eth_fec |= ETHTOOL_FEC_BASER; 865 866 /* if nothing is set, then FEC is off */ 867 if (!eth_fec) 868 eth_fec = ETHTOOL_FEC_OFF; 869 870 return eth_fec; 871 } 872 873 /* Translate ethtool FEC value into Common Code value. */ 874 static inline unsigned int eth_to_cc_fec(unsigned int eth_fec) 875 { 876 unsigned int cc_fec = 0; 877 878 if (eth_fec & ETHTOOL_FEC_OFF) 879 return cc_fec; 880 881 if (eth_fec & ETHTOOL_FEC_AUTO) 882 cc_fec |= FEC_AUTO; 883 if (eth_fec & ETHTOOL_FEC_RS) 884 cc_fec |= FEC_RS; 885 if (eth_fec & ETHTOOL_FEC_BASER) 886 cc_fec |= FEC_BASER_RS; 887 888 return cc_fec; 889 } 890 891 static int get_fecparam(struct net_device *dev, struct ethtool_fecparam *fec) 892 { 893 const struct port_info *pi = netdev_priv(dev); 894 const struct link_config *lc = &pi->link_cfg; 895 896 /* Translate the Firmware FEC Support into the ethtool value. We 897 * always support IEEE 802.3 "automatic" selection of Link FEC type if 898 * any FEC is supported. 899 */ 900 fec->fec = fwcap_to_eth_fec(lc->pcaps); 901 if (fec->fec != ETHTOOL_FEC_OFF) 902 fec->fec |= ETHTOOL_FEC_AUTO; 903 904 /* Translate the current internal FEC parameters into the 905 * ethtool values. 906 */ 907 fec->active_fec = cc_to_eth_fec(lc->fec); 908 909 return 0; 910 } 911 912 static int set_fecparam(struct net_device *dev, struct ethtool_fecparam *fec) 913 { 914 struct port_info *pi = netdev_priv(dev); 915 struct link_config *lc = &pi->link_cfg; 916 struct link_config old_lc; 917 int ret; 918 919 /* Save old Link Configuration in case the L1 Configure below 920 * fails. 921 */ 922 old_lc = *lc; 923 924 /* Try to perform the L1 Configure and return the result of that 925 * effort. If it fails, revert the attempted change. 926 */ 927 lc->requested_fec = eth_to_cc_fec(fec->fec); 928 ret = t4_link_l1cfg(pi->adapter, pi->adapter->mbox, 929 pi->tx_chan, lc); 930 if (ret) 931 *lc = old_lc; 932 return ret; 933 } 934 935 static void get_pauseparam(struct net_device *dev, 936 struct ethtool_pauseparam *epause) 937 { 938 struct port_info *p = netdev_priv(dev); 939 940 epause->autoneg = (p->link_cfg.requested_fc & PAUSE_AUTONEG) != 0; 941 epause->rx_pause = (p->link_cfg.fc & PAUSE_RX) != 0; 942 epause->tx_pause = (p->link_cfg.fc & PAUSE_TX) != 0; 943 } 944 945 static int set_pauseparam(struct net_device *dev, 946 struct ethtool_pauseparam *epause) 947 { 948 struct port_info *p = netdev_priv(dev); 949 struct link_config *lc = &p->link_cfg; 950 951 if (epause->autoneg == AUTONEG_DISABLE) 952 lc->requested_fc = 0; 953 else if (lc->pcaps & FW_PORT_CAP32_ANEG) 954 lc->requested_fc = PAUSE_AUTONEG; 955 else 956 return -EINVAL; 957 958 if (epause->rx_pause) 959 lc->requested_fc |= PAUSE_RX; 960 if (epause->tx_pause) 961 lc->requested_fc |= PAUSE_TX; 962 if (netif_running(dev)) 963 return t4_link_l1cfg(p->adapter, p->adapter->mbox, p->tx_chan, 964 lc); 965 return 0; 966 } 967 968 static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e) 969 { 970 const struct port_info *pi = netdev_priv(dev); 971 const struct sge *s = &pi->adapter->sge; 972 973 e->rx_max_pending = MAX_RX_BUFFERS; 974 e->rx_mini_max_pending = MAX_RSPQ_ENTRIES; 975 e->rx_jumbo_max_pending = 0; 976 e->tx_max_pending = MAX_TXQ_ENTRIES; 977 978 e->rx_pending = s->ethrxq[pi->first_qset].fl.size - 8; 979 e->rx_mini_pending = s->ethrxq[pi->first_qset].rspq.size; 980 e->rx_jumbo_pending = 0; 981 e->tx_pending = s->ethtxq[pi->first_qset].q.size; 982 } 983 984 static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e) 985 { 986 int i; 987 const struct port_info *pi = netdev_priv(dev); 988 struct adapter *adapter = pi->adapter; 989 struct sge *s = &adapter->sge; 990 991 if (e->rx_pending > MAX_RX_BUFFERS || e->rx_jumbo_pending || 992 e->tx_pending > MAX_TXQ_ENTRIES || 993 e->rx_mini_pending > MAX_RSPQ_ENTRIES || 994 e->rx_mini_pending < MIN_RSPQ_ENTRIES || 995 e->rx_pending < MIN_FL_ENTRIES || e->tx_pending < MIN_TXQ_ENTRIES) 996 return -EINVAL; 997 998 if (adapter->flags & FULL_INIT_DONE) 999 return -EBUSY; 1000 1001 for (i = 0; i < pi->nqsets; ++i) { 1002 s->ethtxq[pi->first_qset + i].q.size = e->tx_pending; 1003 s->ethrxq[pi->first_qset + i].fl.size = e->rx_pending + 8; 1004 s->ethrxq[pi->first_qset + i].rspq.size = e->rx_mini_pending; 1005 } 1006 return 0; 1007 } 1008 1009 /** 1010 * set_rx_intr_params - set a net devices's RX interrupt holdoff paramete! 1011 * @dev: the network device 1012 * @us: the hold-off time in us, or 0 to disable timer 1013 * @cnt: the hold-off packet count, or 0 to disable counter 1014 * 1015 * Set the RX interrupt hold-off parameters for a network device. 1016 */ 1017 static int set_rx_intr_params(struct net_device *dev, 1018 unsigned int us, unsigned int cnt) 1019 { 1020 int i, err; 1021 struct port_info *pi = netdev_priv(dev); 1022 struct adapter *adap = pi->adapter; 1023 struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset]; 1024 1025 for (i = 0; i < pi->nqsets; i++, q++) { 1026 err = cxgb4_set_rspq_intr_params(&q->rspq, us, cnt); 1027 if (err) 1028 return err; 1029 } 1030 return 0; 1031 } 1032 1033 static int set_adaptive_rx_setting(struct net_device *dev, int adaptive_rx) 1034 { 1035 int i; 1036 struct port_info *pi = netdev_priv(dev); 1037 struct adapter *adap = pi->adapter; 1038 struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset]; 1039 1040 for (i = 0; i < pi->nqsets; i++, q++) 1041 q->rspq.adaptive_rx = adaptive_rx; 1042 1043 return 0; 1044 } 1045 1046 static int get_adaptive_rx_setting(struct net_device *dev) 1047 { 1048 struct port_info *pi = netdev_priv(dev); 1049 struct adapter *adap = pi->adapter; 1050 struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset]; 1051 1052 return q->rspq.adaptive_rx; 1053 } 1054 1055 static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) 1056 { 1057 set_adaptive_rx_setting(dev, c->use_adaptive_rx_coalesce); 1058 return set_rx_intr_params(dev, c->rx_coalesce_usecs, 1059 c->rx_max_coalesced_frames); 1060 } 1061 1062 static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) 1063 { 1064 const struct port_info *pi = netdev_priv(dev); 1065 const struct adapter *adap = pi->adapter; 1066 const struct sge_rspq *rq = &adap->sge.ethrxq[pi->first_qset].rspq; 1067 1068 c->rx_coalesce_usecs = qtimer_val(adap, rq); 1069 c->rx_max_coalesced_frames = (rq->intr_params & QINTR_CNT_EN_F) ? 1070 adap->sge.counter_val[rq->pktcnt_idx] : 0; 1071 c->use_adaptive_rx_coalesce = get_adaptive_rx_setting(dev); 1072 return 0; 1073 } 1074 1075 /* The next two routines implement eeprom read/write from physical addresses. 1076 */ 1077 static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v) 1078 { 1079 int vaddr = t4_eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE); 1080 1081 if (vaddr >= 0) 1082 vaddr = pci_read_vpd(adap->pdev, vaddr, sizeof(u32), v); 1083 return vaddr < 0 ? vaddr : 0; 1084 } 1085 1086 static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v) 1087 { 1088 int vaddr = t4_eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE); 1089 1090 if (vaddr >= 0) 1091 vaddr = pci_write_vpd(adap->pdev, vaddr, sizeof(u32), &v); 1092 return vaddr < 0 ? vaddr : 0; 1093 } 1094 1095 #define EEPROM_MAGIC 0x38E2F10C 1096 1097 static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, 1098 u8 *data) 1099 { 1100 int i, err = 0; 1101 struct adapter *adapter = netdev2adap(dev); 1102 u8 *buf = kvzalloc(EEPROMSIZE, GFP_KERNEL); 1103 1104 if (!buf) 1105 return -ENOMEM; 1106 1107 e->magic = EEPROM_MAGIC; 1108 for (i = e->offset & ~3; !err && i < e->offset + e->len; i += 4) 1109 err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]); 1110 1111 if (!err) 1112 memcpy(data, buf + e->offset, e->len); 1113 kvfree(buf); 1114 return err; 1115 } 1116 1117 static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, 1118 u8 *data) 1119 { 1120 u8 *buf; 1121 int err = 0; 1122 u32 aligned_offset, aligned_len, *p; 1123 struct adapter *adapter = netdev2adap(dev); 1124 1125 if (eeprom->magic != EEPROM_MAGIC) 1126 return -EINVAL; 1127 1128 aligned_offset = eeprom->offset & ~3; 1129 aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3; 1130 1131 if (adapter->pf > 0) { 1132 u32 start = 1024 + adapter->pf * EEPROMPFSIZE; 1133 1134 if (aligned_offset < start || 1135 aligned_offset + aligned_len > start + EEPROMPFSIZE) 1136 return -EPERM; 1137 } 1138 1139 if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) { 1140 /* RMW possibly needed for first or last words. 1141 */ 1142 buf = kvzalloc(aligned_len, GFP_KERNEL); 1143 if (!buf) 1144 return -ENOMEM; 1145 err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf); 1146 if (!err && aligned_len > 4) 1147 err = eeprom_rd_phys(adapter, 1148 aligned_offset + aligned_len - 4, 1149 (u32 *)&buf[aligned_len - 4]); 1150 if (err) 1151 goto out; 1152 memcpy(buf + (eeprom->offset & 3), data, eeprom->len); 1153 } else { 1154 buf = data; 1155 } 1156 1157 err = t4_seeprom_wp(adapter, false); 1158 if (err) 1159 goto out; 1160 1161 for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) { 1162 err = eeprom_wr_phys(adapter, aligned_offset, *p); 1163 aligned_offset += 4; 1164 } 1165 1166 if (!err) 1167 err = t4_seeprom_wp(adapter, true); 1168 out: 1169 if (buf != data) 1170 kvfree(buf); 1171 return err; 1172 } 1173 1174 static int set_flash(struct net_device *netdev, struct ethtool_flash *ef) 1175 { 1176 int ret; 1177 const struct firmware *fw; 1178 struct adapter *adap = netdev2adap(netdev); 1179 unsigned int mbox = PCIE_FW_MASTER_M + 1; 1180 u32 pcie_fw; 1181 unsigned int master; 1182 u8 master_vld = 0; 1183 1184 pcie_fw = t4_read_reg(adap, PCIE_FW_A); 1185 master = PCIE_FW_MASTER_G(pcie_fw); 1186 if (pcie_fw & PCIE_FW_MASTER_VLD_F) 1187 master_vld = 1; 1188 /* if csiostor is the master return */ 1189 if (master_vld && (master != adap->pf)) { 1190 dev_warn(adap->pdev_dev, 1191 "cxgb4 driver needs to be loaded as MASTER to support FW flash\n"); 1192 return -EOPNOTSUPP; 1193 } 1194 1195 ef->data[sizeof(ef->data) - 1] = '\0'; 1196 ret = request_firmware(&fw, ef->data, adap->pdev_dev); 1197 if (ret < 0) 1198 return ret; 1199 1200 /* If the adapter has been fully initialized then we'll go ahead and 1201 * try to get the firmware's cooperation in upgrading to the new 1202 * firmware image otherwise we'll try to do the entire job from the 1203 * host ... and we always "force" the operation in this path. 1204 */ 1205 if (adap->flags & FULL_INIT_DONE) 1206 mbox = adap->mbox; 1207 1208 ret = t4_fw_upgrade(adap, mbox, fw->data, fw->size, 1); 1209 release_firmware(fw); 1210 if (!ret) 1211 dev_info(adap->pdev_dev, 1212 "loaded firmware %s, reload cxgb4 driver\n", ef->data); 1213 return ret; 1214 } 1215 1216 static int get_ts_info(struct net_device *dev, struct ethtool_ts_info *ts_info) 1217 { 1218 struct port_info *pi = netdev_priv(dev); 1219 struct adapter *adapter = pi->adapter; 1220 1221 ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 1222 SOF_TIMESTAMPING_RX_SOFTWARE | 1223 SOF_TIMESTAMPING_SOFTWARE; 1224 1225 ts_info->so_timestamping |= SOF_TIMESTAMPING_RX_HARDWARE | 1226 SOF_TIMESTAMPING_TX_HARDWARE | 1227 SOF_TIMESTAMPING_RAW_HARDWARE; 1228 1229 ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) | 1230 (1 << HWTSTAMP_TX_ON); 1231 1232 ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | 1233 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | 1234 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) | 1235 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) | 1236 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | 1237 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ); 1238 1239 if (adapter->ptp_clock) 1240 ts_info->phc_index = ptp_clock_index(adapter->ptp_clock); 1241 else 1242 ts_info->phc_index = -1; 1243 1244 return 0; 1245 } 1246 1247 static u32 get_rss_table_size(struct net_device *dev) 1248 { 1249 const struct port_info *pi = netdev_priv(dev); 1250 1251 return pi->rss_size; 1252 } 1253 1254 static int get_rss_table(struct net_device *dev, u32 *p, u8 *key, u8 *hfunc) 1255 { 1256 const struct port_info *pi = netdev_priv(dev); 1257 unsigned int n = pi->rss_size; 1258 1259 if (hfunc) 1260 *hfunc = ETH_RSS_HASH_TOP; 1261 if (!p) 1262 return 0; 1263 while (n--) 1264 p[n] = pi->rss[n]; 1265 return 0; 1266 } 1267 1268 static int set_rss_table(struct net_device *dev, const u32 *p, const u8 *key, 1269 const u8 hfunc) 1270 { 1271 unsigned int i; 1272 struct port_info *pi = netdev_priv(dev); 1273 1274 /* We require at least one supported parameter to be changed and no 1275 * change in any of the unsupported parameters 1276 */ 1277 if (key || 1278 (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)) 1279 return -EOPNOTSUPP; 1280 if (!p) 1281 return 0; 1282 1283 /* Interface must be brought up atleast once */ 1284 if (pi->adapter->flags & FULL_INIT_DONE) { 1285 for (i = 0; i < pi->rss_size; i++) 1286 pi->rss[i] = p[i]; 1287 1288 return cxgb4_write_rss(pi, pi->rss); 1289 } 1290 1291 return -EPERM; 1292 } 1293 1294 static int get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, 1295 u32 *rules) 1296 { 1297 const struct port_info *pi = netdev_priv(dev); 1298 1299 switch (info->cmd) { 1300 case ETHTOOL_GRXFH: { 1301 unsigned int v = pi->rss_mode; 1302 1303 info->data = 0; 1304 switch (info->flow_type) { 1305 case TCP_V4_FLOW: 1306 if (v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F) 1307 info->data = RXH_IP_SRC | RXH_IP_DST | 1308 RXH_L4_B_0_1 | RXH_L4_B_2_3; 1309 else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F) 1310 info->data = RXH_IP_SRC | RXH_IP_DST; 1311 break; 1312 case UDP_V4_FLOW: 1313 if ((v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F) && 1314 (v & FW_RSS_VI_CONFIG_CMD_UDPEN_F)) 1315 info->data = RXH_IP_SRC | RXH_IP_DST | 1316 RXH_L4_B_0_1 | RXH_L4_B_2_3; 1317 else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F) 1318 info->data = RXH_IP_SRC | RXH_IP_DST; 1319 break; 1320 case SCTP_V4_FLOW: 1321 case AH_ESP_V4_FLOW: 1322 case IPV4_FLOW: 1323 if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F) 1324 info->data = RXH_IP_SRC | RXH_IP_DST; 1325 break; 1326 case TCP_V6_FLOW: 1327 if (v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F) 1328 info->data = RXH_IP_SRC | RXH_IP_DST | 1329 RXH_L4_B_0_1 | RXH_L4_B_2_3; 1330 else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F) 1331 info->data = RXH_IP_SRC | RXH_IP_DST; 1332 break; 1333 case UDP_V6_FLOW: 1334 if ((v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F) && 1335 (v & FW_RSS_VI_CONFIG_CMD_UDPEN_F)) 1336 info->data = RXH_IP_SRC | RXH_IP_DST | 1337 RXH_L4_B_0_1 | RXH_L4_B_2_3; 1338 else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F) 1339 info->data = RXH_IP_SRC | RXH_IP_DST; 1340 break; 1341 case SCTP_V6_FLOW: 1342 case AH_ESP_V6_FLOW: 1343 case IPV6_FLOW: 1344 if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F) 1345 info->data = RXH_IP_SRC | RXH_IP_DST; 1346 break; 1347 } 1348 return 0; 1349 } 1350 case ETHTOOL_GRXRINGS: 1351 info->data = pi->nqsets; 1352 return 0; 1353 } 1354 return -EOPNOTSUPP; 1355 } 1356 1357 static int set_dump(struct net_device *dev, struct ethtool_dump *eth_dump) 1358 { 1359 struct adapter *adapter = netdev2adap(dev); 1360 u32 len = 0; 1361 1362 len = sizeof(struct cudbg_hdr) + 1363 sizeof(struct cudbg_entity_hdr) * CUDBG_MAX_ENTITY; 1364 len += cxgb4_get_dump_length(adapter, eth_dump->flag); 1365 1366 adapter->eth_dump.flag = eth_dump->flag; 1367 adapter->eth_dump.len = len; 1368 return 0; 1369 } 1370 1371 static int get_dump_flag(struct net_device *dev, struct ethtool_dump *eth_dump) 1372 { 1373 struct adapter *adapter = netdev2adap(dev); 1374 1375 eth_dump->flag = adapter->eth_dump.flag; 1376 eth_dump->len = adapter->eth_dump.len; 1377 eth_dump->version = adapter->eth_dump.version; 1378 return 0; 1379 } 1380 1381 static int get_dump_data(struct net_device *dev, struct ethtool_dump *eth_dump, 1382 void *buf) 1383 { 1384 struct adapter *adapter = netdev2adap(dev); 1385 u32 len = 0; 1386 int ret = 0; 1387 1388 if (adapter->eth_dump.flag == CXGB4_ETH_DUMP_NONE) 1389 return -ENOENT; 1390 1391 len = sizeof(struct cudbg_hdr) + 1392 sizeof(struct cudbg_entity_hdr) * CUDBG_MAX_ENTITY; 1393 len += cxgb4_get_dump_length(adapter, adapter->eth_dump.flag); 1394 if (eth_dump->len < len) 1395 return -ENOMEM; 1396 1397 ret = cxgb4_cudbg_collect(adapter, buf, &len, adapter->eth_dump.flag); 1398 if (ret) 1399 return ret; 1400 1401 eth_dump->flag = adapter->eth_dump.flag; 1402 eth_dump->len = len; 1403 eth_dump->version = adapter->eth_dump.version; 1404 return 0; 1405 } 1406 1407 static int cxgb4_get_module_info(struct net_device *dev, 1408 struct ethtool_modinfo *modinfo) 1409 { 1410 struct port_info *pi = netdev_priv(dev); 1411 u8 sff8472_comp, sff_diag_type, sff_rev; 1412 struct adapter *adapter = pi->adapter; 1413 int ret; 1414 1415 if (!t4_is_inserted_mod_type(pi->mod_type)) 1416 return -EINVAL; 1417 1418 switch (pi->port_type) { 1419 case FW_PORT_TYPE_SFP: 1420 case FW_PORT_TYPE_QSA: 1421 case FW_PORT_TYPE_SFP28: 1422 ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, 1423 I2C_DEV_ADDR_A0, SFF_8472_COMP_ADDR, 1424 SFF_8472_COMP_LEN, &sff8472_comp); 1425 if (ret) 1426 return ret; 1427 ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, 1428 I2C_DEV_ADDR_A0, SFP_DIAG_TYPE_ADDR, 1429 SFP_DIAG_TYPE_LEN, &sff_diag_type); 1430 if (ret) 1431 return ret; 1432 1433 if (!sff8472_comp || (sff_diag_type & 4)) { 1434 modinfo->type = ETH_MODULE_SFF_8079; 1435 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 1436 } else { 1437 modinfo->type = ETH_MODULE_SFF_8472; 1438 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1439 } 1440 break; 1441 1442 case FW_PORT_TYPE_QSFP: 1443 case FW_PORT_TYPE_QSFP_10G: 1444 case FW_PORT_TYPE_CR_QSFP: 1445 case FW_PORT_TYPE_CR2_QSFP: 1446 case FW_PORT_TYPE_CR4_QSFP: 1447 ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, 1448 I2C_DEV_ADDR_A0, SFF_REV_ADDR, 1449 SFF_REV_LEN, &sff_rev); 1450 /* For QSFP type ports, revision value >= 3 1451 * means the SFP is 8636 compliant. 1452 */ 1453 if (ret) 1454 return ret; 1455 if (sff_rev >= 0x3) { 1456 modinfo->type = ETH_MODULE_SFF_8636; 1457 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 1458 } else { 1459 modinfo->type = ETH_MODULE_SFF_8436; 1460 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 1461 } 1462 break; 1463 1464 default: 1465 return -EINVAL; 1466 } 1467 1468 return 0; 1469 } 1470 1471 static int cxgb4_get_module_eeprom(struct net_device *dev, 1472 struct ethtool_eeprom *eprom, u8 *data) 1473 { 1474 int ret = 0, offset = eprom->offset, len = eprom->len; 1475 struct port_info *pi = netdev_priv(dev); 1476 struct adapter *adapter = pi->adapter; 1477 1478 memset(data, 0, eprom->len); 1479 if (offset + len <= I2C_PAGE_SIZE) 1480 return t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, 1481 I2C_DEV_ADDR_A0, offset, len, data); 1482 1483 /* offset + len spans 0xa0 and 0xa1 pages */ 1484 if (offset <= I2C_PAGE_SIZE) { 1485 /* read 0xa0 page */ 1486 len = I2C_PAGE_SIZE - offset; 1487 ret = t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, 1488 I2C_DEV_ADDR_A0, offset, len, data); 1489 if (ret) 1490 return ret; 1491 offset = I2C_PAGE_SIZE; 1492 /* Remaining bytes to be read from second page = 1493 * Total length - bytes read from first page 1494 */ 1495 len = eprom->len - len; 1496 } 1497 /* Read additional optical diagnostics from page 0xa2 if supported */ 1498 return t4_i2c_rd(adapter, adapter->mbox, pi->tx_chan, I2C_DEV_ADDR_A2, 1499 offset, len, &data[eprom->len - len]); 1500 } 1501 1502 static const struct ethtool_ops cxgb_ethtool_ops = { 1503 .get_link_ksettings = get_link_ksettings, 1504 .set_link_ksettings = set_link_ksettings, 1505 .get_fecparam = get_fecparam, 1506 .set_fecparam = set_fecparam, 1507 .get_drvinfo = get_drvinfo, 1508 .get_msglevel = get_msglevel, 1509 .set_msglevel = set_msglevel, 1510 .get_ringparam = get_sge_param, 1511 .set_ringparam = set_sge_param, 1512 .get_coalesce = get_coalesce, 1513 .set_coalesce = set_coalesce, 1514 .get_eeprom_len = get_eeprom_len, 1515 .get_eeprom = get_eeprom, 1516 .set_eeprom = set_eeprom, 1517 .get_pauseparam = get_pauseparam, 1518 .set_pauseparam = set_pauseparam, 1519 .get_link = ethtool_op_get_link, 1520 .get_strings = get_strings, 1521 .set_phys_id = identify_port, 1522 .nway_reset = restart_autoneg, 1523 .get_sset_count = get_sset_count, 1524 .get_ethtool_stats = get_stats, 1525 .get_regs_len = get_regs_len, 1526 .get_regs = get_regs, 1527 .get_rxnfc = get_rxnfc, 1528 .get_rxfh_indir_size = get_rss_table_size, 1529 .get_rxfh = get_rss_table, 1530 .set_rxfh = set_rss_table, 1531 .flash_device = set_flash, 1532 .get_ts_info = get_ts_info, 1533 .set_dump = set_dump, 1534 .get_dump_flag = get_dump_flag, 1535 .get_dump_data = get_dump_data, 1536 .get_module_info = cxgb4_get_module_info, 1537 .get_module_eeprom = cxgb4_get_module_eeprom, 1538 }; 1539 1540 void cxgb4_set_ethtool_ops(struct net_device *netdev) 1541 { 1542 netdev->ethtool_ops = &cxgb_ethtool_ops; 1543 } 1544