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 return PORT_NONE; 522 } 523 524 return PORT_OTHER; 525 } 526 527 /** 528 * speed_to_fw_caps - translate Port Speed to Firmware Port Capabilities 529 * @speed: speed in Kb/s 530 * 531 * Translates a specific Port Speed into a Firmware Port Capabilities 532 * value. 533 */ 534 static unsigned int speed_to_fw_caps(int speed) 535 { 536 if (speed == 100) 537 return FW_PORT_CAP32_SPEED_100M; 538 if (speed == 1000) 539 return FW_PORT_CAP32_SPEED_1G; 540 if (speed == 10000) 541 return FW_PORT_CAP32_SPEED_10G; 542 if (speed == 25000) 543 return FW_PORT_CAP32_SPEED_25G; 544 if (speed == 40000) 545 return FW_PORT_CAP32_SPEED_40G; 546 if (speed == 50000) 547 return FW_PORT_CAP32_SPEED_50G; 548 if (speed == 100000) 549 return FW_PORT_CAP32_SPEED_100G; 550 if (speed == 200000) 551 return FW_PORT_CAP32_SPEED_200G; 552 if (speed == 400000) 553 return FW_PORT_CAP32_SPEED_400G; 554 return 0; 555 } 556 557 /** 558 * fw_caps_to_lmm - translate Firmware to ethtool Link Mode Mask 559 * @port_type: Firmware Port Type 560 * @fw_caps: Firmware Port Capabilities 561 * @link_mode_mask: ethtool Link Mode Mask 562 * 563 * Translate a Firmware Port Capabilities specification to an ethtool 564 * Link Mode Mask. 565 */ 566 static void fw_caps_to_lmm(enum fw_port_type port_type, 567 unsigned int fw_caps, 568 unsigned long *link_mode_mask) 569 { 570 #define SET_LMM(__lmm_name) \ 571 __set_bit(ETHTOOL_LINK_MODE_ ## __lmm_name ## _BIT, \ 572 link_mode_mask) 573 574 #define FW_CAPS_TO_LMM(__fw_name, __lmm_name) \ 575 do { \ 576 if (fw_caps & FW_PORT_CAP32_ ## __fw_name) \ 577 SET_LMM(__lmm_name); \ 578 } while (0) 579 580 switch (port_type) { 581 case FW_PORT_TYPE_BT_SGMII: 582 case FW_PORT_TYPE_BT_XFI: 583 case FW_PORT_TYPE_BT_XAUI: 584 SET_LMM(TP); 585 FW_CAPS_TO_LMM(SPEED_100M, 100baseT_Full); 586 FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); 587 FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full); 588 break; 589 590 case FW_PORT_TYPE_KX4: 591 case FW_PORT_TYPE_KX: 592 SET_LMM(Backplane); 593 FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full); 594 FW_CAPS_TO_LMM(SPEED_10G, 10000baseKX4_Full); 595 break; 596 597 case FW_PORT_TYPE_KR: 598 SET_LMM(Backplane); 599 SET_LMM(10000baseKR_Full); 600 break; 601 602 case FW_PORT_TYPE_BP_AP: 603 SET_LMM(Backplane); 604 SET_LMM(10000baseR_FEC); 605 SET_LMM(10000baseKR_Full); 606 SET_LMM(1000baseKX_Full); 607 break; 608 609 case FW_PORT_TYPE_BP4_AP: 610 SET_LMM(Backplane); 611 SET_LMM(10000baseR_FEC); 612 SET_LMM(10000baseKR_Full); 613 SET_LMM(1000baseKX_Full); 614 SET_LMM(10000baseKX4_Full); 615 break; 616 617 case FW_PORT_TYPE_FIBER_XFI: 618 case FW_PORT_TYPE_FIBER_XAUI: 619 case FW_PORT_TYPE_SFP: 620 case FW_PORT_TYPE_QSFP_10G: 621 case FW_PORT_TYPE_QSA: 622 SET_LMM(FIBRE); 623 FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); 624 FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full); 625 break; 626 627 case FW_PORT_TYPE_BP40_BA: 628 case FW_PORT_TYPE_QSFP: 629 SET_LMM(FIBRE); 630 SET_LMM(40000baseSR4_Full); 631 break; 632 633 case FW_PORT_TYPE_CR_QSFP: 634 case FW_PORT_TYPE_SFP28: 635 SET_LMM(FIBRE); 636 FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); 637 FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full); 638 FW_CAPS_TO_LMM(SPEED_25G, 25000baseCR_Full); 639 break; 640 641 case FW_PORT_TYPE_KR_SFP28: 642 SET_LMM(Backplane); 643 FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full); 644 FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full); 645 FW_CAPS_TO_LMM(SPEED_25G, 25000baseKR_Full); 646 break; 647 648 case FW_PORT_TYPE_CR2_QSFP: 649 SET_LMM(FIBRE); 650 SET_LMM(50000baseSR2_Full); 651 break; 652 653 case FW_PORT_TYPE_KR4_100G: 654 case FW_PORT_TYPE_CR4_QSFP: 655 SET_LMM(FIBRE); 656 FW_CAPS_TO_LMM(SPEED_40G, 40000baseSR4_Full); 657 FW_CAPS_TO_LMM(SPEED_25G, 25000baseCR_Full); 658 FW_CAPS_TO_LMM(SPEED_50G, 50000baseCR2_Full); 659 FW_CAPS_TO_LMM(SPEED_100G, 100000baseCR4_Full); 660 break; 661 662 default: 663 break; 664 } 665 666 FW_CAPS_TO_LMM(ANEG, Autoneg); 667 FW_CAPS_TO_LMM(802_3_PAUSE, Pause); 668 FW_CAPS_TO_LMM(802_3_ASM_DIR, Asym_Pause); 669 670 #undef FW_CAPS_TO_LMM 671 #undef SET_LMM 672 } 673 674 /** 675 * lmm_to_fw_caps - translate ethtool Link Mode Mask to Firmware 676 * capabilities 677 * @et_lmm: ethtool Link Mode Mask 678 * 679 * Translate ethtool Link Mode Mask into a Firmware Port capabilities 680 * value. 681 */ 682 static unsigned int lmm_to_fw_caps(const unsigned long *link_mode_mask) 683 { 684 unsigned int fw_caps = 0; 685 686 #define LMM_TO_FW_CAPS(__lmm_name, __fw_name) \ 687 do { \ 688 if (test_bit(ETHTOOL_LINK_MODE_ ## __lmm_name ## _BIT, \ 689 link_mode_mask)) \ 690 fw_caps |= FW_PORT_CAP32_ ## __fw_name; \ 691 } while (0) 692 693 LMM_TO_FW_CAPS(100baseT_Full, SPEED_100M); 694 LMM_TO_FW_CAPS(1000baseT_Full, SPEED_1G); 695 LMM_TO_FW_CAPS(10000baseT_Full, SPEED_10G); 696 LMM_TO_FW_CAPS(40000baseSR4_Full, SPEED_40G); 697 LMM_TO_FW_CAPS(25000baseCR_Full, SPEED_25G); 698 LMM_TO_FW_CAPS(50000baseCR2_Full, SPEED_50G); 699 LMM_TO_FW_CAPS(100000baseCR4_Full, SPEED_100G); 700 701 #undef LMM_TO_FW_CAPS 702 703 return fw_caps; 704 } 705 706 static int get_link_ksettings(struct net_device *dev, 707 struct ethtool_link_ksettings *link_ksettings) 708 { 709 struct port_info *pi = netdev_priv(dev); 710 struct ethtool_link_settings *base = &link_ksettings->base; 711 712 /* For the nonce, the Firmware doesn't send up Port State changes 713 * when the Virtual Interface attached to the Port is down. So 714 * if it's down, let's grab any changes. 715 */ 716 if (!netif_running(dev)) 717 (void)t4_update_port_info(pi); 718 719 ethtool_link_ksettings_zero_link_mode(link_ksettings, supported); 720 ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising); 721 ethtool_link_ksettings_zero_link_mode(link_ksettings, lp_advertising); 722 723 base->port = from_fw_port_mod_type(pi->port_type, pi->mod_type); 724 725 if (pi->mdio_addr >= 0) { 726 base->phy_address = pi->mdio_addr; 727 base->mdio_support = (pi->port_type == FW_PORT_TYPE_BT_SGMII 728 ? ETH_MDIO_SUPPORTS_C22 729 : ETH_MDIO_SUPPORTS_C45); 730 } else { 731 base->phy_address = 255; 732 base->mdio_support = 0; 733 } 734 735 fw_caps_to_lmm(pi->port_type, pi->link_cfg.pcaps, 736 link_ksettings->link_modes.supported); 737 fw_caps_to_lmm(pi->port_type, pi->link_cfg.acaps, 738 link_ksettings->link_modes.advertising); 739 fw_caps_to_lmm(pi->port_type, pi->link_cfg.lpacaps, 740 link_ksettings->link_modes.lp_advertising); 741 742 if (netif_carrier_ok(dev)) { 743 base->speed = pi->link_cfg.speed; 744 base->duplex = DUPLEX_FULL; 745 } else { 746 base->speed = SPEED_UNKNOWN; 747 base->duplex = DUPLEX_UNKNOWN; 748 } 749 750 if (pi->link_cfg.fc & PAUSE_RX) { 751 if (pi->link_cfg.fc & PAUSE_TX) { 752 ethtool_link_ksettings_add_link_mode(link_ksettings, 753 advertising, 754 Pause); 755 } else { 756 ethtool_link_ksettings_add_link_mode(link_ksettings, 757 advertising, 758 Asym_Pause); 759 } 760 } else if (pi->link_cfg.fc & PAUSE_TX) { 761 ethtool_link_ksettings_add_link_mode(link_ksettings, 762 advertising, 763 Asym_Pause); 764 } 765 766 base->autoneg = pi->link_cfg.autoneg; 767 if (pi->link_cfg.pcaps & FW_PORT_CAP32_ANEG) 768 ethtool_link_ksettings_add_link_mode(link_ksettings, 769 supported, Autoneg); 770 if (pi->link_cfg.autoneg) 771 ethtool_link_ksettings_add_link_mode(link_ksettings, 772 advertising, Autoneg); 773 774 return 0; 775 } 776 777 static int set_link_ksettings(struct net_device *dev, 778 const struct ethtool_link_ksettings *link_ksettings) 779 { 780 struct port_info *pi = netdev_priv(dev); 781 struct link_config *lc = &pi->link_cfg; 782 const struct ethtool_link_settings *base = &link_ksettings->base; 783 struct link_config old_lc; 784 unsigned int fw_caps; 785 int ret = 0; 786 787 /* only full-duplex supported */ 788 if (base->duplex != DUPLEX_FULL) 789 return -EINVAL; 790 791 if (!(lc->pcaps & FW_PORT_CAP32_ANEG)) { 792 /* PHY offers a single speed. See if that's what's 793 * being requested. 794 */ 795 if (base->autoneg == AUTONEG_DISABLE && 796 (lc->pcaps & speed_to_fw_caps(base->speed))) 797 return 0; 798 return -EINVAL; 799 } 800 801 old_lc = *lc; 802 if (base->autoneg == AUTONEG_DISABLE) { 803 fw_caps = speed_to_fw_caps(base->speed); 804 805 if (!(lc->pcaps & fw_caps)) 806 return -EINVAL; 807 lc->speed_caps = fw_caps; 808 lc->acaps = 0; 809 } else { 810 fw_caps = 811 lmm_to_fw_caps(link_ksettings->link_modes.advertising); 812 if (!(lc->pcaps & fw_caps)) 813 return -EINVAL; 814 lc->speed_caps = 0; 815 lc->acaps = fw_caps | FW_PORT_CAP32_ANEG; 816 } 817 lc->autoneg = base->autoneg; 818 819 /* If the firmware rejects the Link Configuration request, back out 820 * the changes and report the error. 821 */ 822 ret = t4_link_l1cfg(pi->adapter, pi->adapter->mbox, pi->tx_chan, lc); 823 if (ret) 824 *lc = old_lc; 825 826 return ret; 827 } 828 829 /* Translate the Firmware FEC value into the ethtool value. */ 830 static inline unsigned int fwcap_to_eth_fec(unsigned int fw_fec) 831 { 832 unsigned int eth_fec = 0; 833 834 if (fw_fec & FW_PORT_CAP32_FEC_RS) 835 eth_fec |= ETHTOOL_FEC_RS; 836 if (fw_fec & FW_PORT_CAP32_FEC_BASER_RS) 837 eth_fec |= ETHTOOL_FEC_BASER; 838 839 /* if nothing is set, then FEC is off */ 840 if (!eth_fec) 841 eth_fec = ETHTOOL_FEC_OFF; 842 843 return eth_fec; 844 } 845 846 /* Translate Common Code FEC value into ethtool value. */ 847 static inline unsigned int cc_to_eth_fec(unsigned int cc_fec) 848 { 849 unsigned int eth_fec = 0; 850 851 if (cc_fec & FEC_AUTO) 852 eth_fec |= ETHTOOL_FEC_AUTO; 853 if (cc_fec & FEC_RS) 854 eth_fec |= ETHTOOL_FEC_RS; 855 if (cc_fec & FEC_BASER_RS) 856 eth_fec |= ETHTOOL_FEC_BASER; 857 858 /* if nothing is set, then FEC is off */ 859 if (!eth_fec) 860 eth_fec = ETHTOOL_FEC_OFF; 861 862 return eth_fec; 863 } 864 865 /* Translate ethtool FEC value into Common Code value. */ 866 static inline unsigned int eth_to_cc_fec(unsigned int eth_fec) 867 { 868 unsigned int cc_fec = 0; 869 870 if (eth_fec & ETHTOOL_FEC_OFF) 871 return cc_fec; 872 873 if (eth_fec & ETHTOOL_FEC_AUTO) 874 cc_fec |= FEC_AUTO; 875 if (eth_fec & ETHTOOL_FEC_RS) 876 cc_fec |= FEC_RS; 877 if (eth_fec & ETHTOOL_FEC_BASER) 878 cc_fec |= FEC_BASER_RS; 879 880 return cc_fec; 881 } 882 883 static int get_fecparam(struct net_device *dev, struct ethtool_fecparam *fec) 884 { 885 const struct port_info *pi = netdev_priv(dev); 886 const struct link_config *lc = &pi->link_cfg; 887 888 /* Translate the Firmware FEC Support into the ethtool value. We 889 * always support IEEE 802.3 "automatic" selection of Link FEC type if 890 * any FEC is supported. 891 */ 892 fec->fec = fwcap_to_eth_fec(lc->pcaps); 893 if (fec->fec != ETHTOOL_FEC_OFF) 894 fec->fec |= ETHTOOL_FEC_AUTO; 895 896 /* Translate the current internal FEC parameters into the 897 * ethtool values. 898 */ 899 fec->active_fec = cc_to_eth_fec(lc->fec); 900 901 return 0; 902 } 903 904 static int set_fecparam(struct net_device *dev, struct ethtool_fecparam *fec) 905 { 906 struct port_info *pi = netdev_priv(dev); 907 struct link_config *lc = &pi->link_cfg; 908 struct link_config old_lc; 909 int ret; 910 911 /* Save old Link Configuration in case the L1 Configure below 912 * fails. 913 */ 914 old_lc = *lc; 915 916 /* Try to perform the L1 Configure and return the result of that 917 * effort. If it fails, revert the attempted change. 918 */ 919 lc->requested_fec = eth_to_cc_fec(fec->fec); 920 ret = t4_link_l1cfg(pi->adapter, pi->adapter->mbox, 921 pi->tx_chan, lc); 922 if (ret) 923 *lc = old_lc; 924 return ret; 925 } 926 927 static void get_pauseparam(struct net_device *dev, 928 struct ethtool_pauseparam *epause) 929 { 930 struct port_info *p = netdev_priv(dev); 931 932 epause->autoneg = (p->link_cfg.requested_fc & PAUSE_AUTONEG) != 0; 933 epause->rx_pause = (p->link_cfg.fc & PAUSE_RX) != 0; 934 epause->tx_pause = (p->link_cfg.fc & PAUSE_TX) != 0; 935 } 936 937 static int set_pauseparam(struct net_device *dev, 938 struct ethtool_pauseparam *epause) 939 { 940 struct port_info *p = netdev_priv(dev); 941 struct link_config *lc = &p->link_cfg; 942 943 if (epause->autoneg == AUTONEG_DISABLE) 944 lc->requested_fc = 0; 945 else if (lc->pcaps & FW_PORT_CAP32_ANEG) 946 lc->requested_fc = PAUSE_AUTONEG; 947 else 948 return -EINVAL; 949 950 if (epause->rx_pause) 951 lc->requested_fc |= PAUSE_RX; 952 if (epause->tx_pause) 953 lc->requested_fc |= PAUSE_TX; 954 if (netif_running(dev)) 955 return t4_link_l1cfg(p->adapter, p->adapter->mbox, p->tx_chan, 956 lc); 957 return 0; 958 } 959 960 static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e) 961 { 962 const struct port_info *pi = netdev_priv(dev); 963 const struct sge *s = &pi->adapter->sge; 964 965 e->rx_max_pending = MAX_RX_BUFFERS; 966 e->rx_mini_max_pending = MAX_RSPQ_ENTRIES; 967 e->rx_jumbo_max_pending = 0; 968 e->tx_max_pending = MAX_TXQ_ENTRIES; 969 970 e->rx_pending = s->ethrxq[pi->first_qset].fl.size - 8; 971 e->rx_mini_pending = s->ethrxq[pi->first_qset].rspq.size; 972 e->rx_jumbo_pending = 0; 973 e->tx_pending = s->ethtxq[pi->first_qset].q.size; 974 } 975 976 static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e) 977 { 978 int i; 979 const struct port_info *pi = netdev_priv(dev); 980 struct adapter *adapter = pi->adapter; 981 struct sge *s = &adapter->sge; 982 983 if (e->rx_pending > MAX_RX_BUFFERS || e->rx_jumbo_pending || 984 e->tx_pending > MAX_TXQ_ENTRIES || 985 e->rx_mini_pending > MAX_RSPQ_ENTRIES || 986 e->rx_mini_pending < MIN_RSPQ_ENTRIES || 987 e->rx_pending < MIN_FL_ENTRIES || e->tx_pending < MIN_TXQ_ENTRIES) 988 return -EINVAL; 989 990 if (adapter->flags & FULL_INIT_DONE) 991 return -EBUSY; 992 993 for (i = 0; i < pi->nqsets; ++i) { 994 s->ethtxq[pi->first_qset + i].q.size = e->tx_pending; 995 s->ethrxq[pi->first_qset + i].fl.size = e->rx_pending + 8; 996 s->ethrxq[pi->first_qset + i].rspq.size = e->rx_mini_pending; 997 } 998 return 0; 999 } 1000 1001 /** 1002 * set_rx_intr_params - set a net devices's RX interrupt holdoff paramete! 1003 * @dev: the network device 1004 * @us: the hold-off time in us, or 0 to disable timer 1005 * @cnt: the hold-off packet count, or 0 to disable counter 1006 * 1007 * Set the RX interrupt hold-off parameters for a network device. 1008 */ 1009 static int set_rx_intr_params(struct net_device *dev, 1010 unsigned int us, unsigned int cnt) 1011 { 1012 int i, err; 1013 struct port_info *pi = netdev_priv(dev); 1014 struct adapter *adap = pi->adapter; 1015 struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset]; 1016 1017 for (i = 0; i < pi->nqsets; i++, q++) { 1018 err = cxgb4_set_rspq_intr_params(&q->rspq, us, cnt); 1019 if (err) 1020 return err; 1021 } 1022 return 0; 1023 } 1024 1025 static int set_adaptive_rx_setting(struct net_device *dev, int adaptive_rx) 1026 { 1027 int i; 1028 struct port_info *pi = netdev_priv(dev); 1029 struct adapter *adap = pi->adapter; 1030 struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset]; 1031 1032 for (i = 0; i < pi->nqsets; i++, q++) 1033 q->rspq.adaptive_rx = adaptive_rx; 1034 1035 return 0; 1036 } 1037 1038 static int get_adaptive_rx_setting(struct net_device *dev) 1039 { 1040 struct port_info *pi = netdev_priv(dev); 1041 struct adapter *adap = pi->adapter; 1042 struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset]; 1043 1044 return q->rspq.adaptive_rx; 1045 } 1046 1047 static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) 1048 { 1049 set_adaptive_rx_setting(dev, c->use_adaptive_rx_coalesce); 1050 return set_rx_intr_params(dev, c->rx_coalesce_usecs, 1051 c->rx_max_coalesced_frames); 1052 } 1053 1054 static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) 1055 { 1056 const struct port_info *pi = netdev_priv(dev); 1057 const struct adapter *adap = pi->adapter; 1058 const struct sge_rspq *rq = &adap->sge.ethrxq[pi->first_qset].rspq; 1059 1060 c->rx_coalesce_usecs = qtimer_val(adap, rq); 1061 c->rx_max_coalesced_frames = (rq->intr_params & QINTR_CNT_EN_F) ? 1062 adap->sge.counter_val[rq->pktcnt_idx] : 0; 1063 c->use_adaptive_rx_coalesce = get_adaptive_rx_setting(dev); 1064 return 0; 1065 } 1066 1067 /** 1068 * eeprom_ptov - translate a physical EEPROM address to virtual 1069 * @phys_addr: the physical EEPROM address 1070 * @fn: the PCI function number 1071 * @sz: size of function-specific area 1072 * 1073 * Translate a physical EEPROM address to virtual. The first 1K is 1074 * accessed through virtual addresses starting at 31K, the rest is 1075 * accessed through virtual addresses starting at 0. 1076 * 1077 * The mapping is as follows: 1078 * [0..1K) -> [31K..32K) 1079 * [1K..1K+A) -> [31K-A..31K) 1080 * [1K+A..ES) -> [0..ES-A-1K) 1081 * 1082 * where A = @fn * @sz, and ES = EEPROM size. 1083 */ 1084 static int eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz) 1085 { 1086 fn *= sz; 1087 if (phys_addr < 1024) 1088 return phys_addr + (31 << 10); 1089 if (phys_addr < 1024 + fn) 1090 return 31744 - fn + phys_addr - 1024; 1091 if (phys_addr < EEPROMSIZE) 1092 return phys_addr - 1024 - fn; 1093 return -EINVAL; 1094 } 1095 1096 /* The next two routines implement eeprom read/write from physical addresses. 1097 */ 1098 static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v) 1099 { 1100 int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE); 1101 1102 if (vaddr >= 0) 1103 vaddr = pci_read_vpd(adap->pdev, vaddr, sizeof(u32), v); 1104 return vaddr < 0 ? vaddr : 0; 1105 } 1106 1107 static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v) 1108 { 1109 int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE); 1110 1111 if (vaddr >= 0) 1112 vaddr = pci_write_vpd(adap->pdev, vaddr, sizeof(u32), &v); 1113 return vaddr < 0 ? vaddr : 0; 1114 } 1115 1116 #define EEPROM_MAGIC 0x38E2F10C 1117 1118 static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e, 1119 u8 *data) 1120 { 1121 int i, err = 0; 1122 struct adapter *adapter = netdev2adap(dev); 1123 u8 *buf = kvzalloc(EEPROMSIZE, GFP_KERNEL); 1124 1125 if (!buf) 1126 return -ENOMEM; 1127 1128 e->magic = EEPROM_MAGIC; 1129 for (i = e->offset & ~3; !err && i < e->offset + e->len; i += 4) 1130 err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]); 1131 1132 if (!err) 1133 memcpy(data, buf + e->offset, e->len); 1134 kvfree(buf); 1135 return err; 1136 } 1137 1138 static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, 1139 u8 *data) 1140 { 1141 u8 *buf; 1142 int err = 0; 1143 u32 aligned_offset, aligned_len, *p; 1144 struct adapter *adapter = netdev2adap(dev); 1145 1146 if (eeprom->magic != EEPROM_MAGIC) 1147 return -EINVAL; 1148 1149 aligned_offset = eeprom->offset & ~3; 1150 aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3; 1151 1152 if (adapter->pf > 0) { 1153 u32 start = 1024 + adapter->pf * EEPROMPFSIZE; 1154 1155 if (aligned_offset < start || 1156 aligned_offset + aligned_len > start + EEPROMPFSIZE) 1157 return -EPERM; 1158 } 1159 1160 if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) { 1161 /* RMW possibly needed for first or last words. 1162 */ 1163 buf = kvzalloc(aligned_len, GFP_KERNEL); 1164 if (!buf) 1165 return -ENOMEM; 1166 err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf); 1167 if (!err && aligned_len > 4) 1168 err = eeprom_rd_phys(adapter, 1169 aligned_offset + aligned_len - 4, 1170 (u32 *)&buf[aligned_len - 4]); 1171 if (err) 1172 goto out; 1173 memcpy(buf + (eeprom->offset & 3), data, eeprom->len); 1174 } else { 1175 buf = data; 1176 } 1177 1178 err = t4_seeprom_wp(adapter, false); 1179 if (err) 1180 goto out; 1181 1182 for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) { 1183 err = eeprom_wr_phys(adapter, aligned_offset, *p); 1184 aligned_offset += 4; 1185 } 1186 1187 if (!err) 1188 err = t4_seeprom_wp(adapter, true); 1189 out: 1190 if (buf != data) 1191 kvfree(buf); 1192 return err; 1193 } 1194 1195 static int set_flash(struct net_device *netdev, struct ethtool_flash *ef) 1196 { 1197 int ret; 1198 const struct firmware *fw; 1199 struct adapter *adap = netdev2adap(netdev); 1200 unsigned int mbox = PCIE_FW_MASTER_M + 1; 1201 u32 pcie_fw; 1202 unsigned int master; 1203 u8 master_vld = 0; 1204 1205 pcie_fw = t4_read_reg(adap, PCIE_FW_A); 1206 master = PCIE_FW_MASTER_G(pcie_fw); 1207 if (pcie_fw & PCIE_FW_MASTER_VLD_F) 1208 master_vld = 1; 1209 /* if csiostor is the master return */ 1210 if (master_vld && (master != adap->pf)) { 1211 dev_warn(adap->pdev_dev, 1212 "cxgb4 driver needs to be loaded as MASTER to support FW flash\n"); 1213 return -EOPNOTSUPP; 1214 } 1215 1216 ef->data[sizeof(ef->data) - 1] = '\0'; 1217 ret = request_firmware(&fw, ef->data, adap->pdev_dev); 1218 if (ret < 0) 1219 return ret; 1220 1221 /* If the adapter has been fully initialized then we'll go ahead and 1222 * try to get the firmware's cooperation in upgrading to the new 1223 * firmware image otherwise we'll try to do the entire job from the 1224 * host ... and we always "force" the operation in this path. 1225 */ 1226 if (adap->flags & FULL_INIT_DONE) 1227 mbox = adap->mbox; 1228 1229 ret = t4_fw_upgrade(adap, mbox, fw->data, fw->size, 1); 1230 release_firmware(fw); 1231 if (!ret) 1232 dev_info(adap->pdev_dev, 1233 "loaded firmware %s, reload cxgb4 driver\n", ef->data); 1234 return ret; 1235 } 1236 1237 static int get_ts_info(struct net_device *dev, struct ethtool_ts_info *ts_info) 1238 { 1239 struct port_info *pi = netdev_priv(dev); 1240 struct adapter *adapter = pi->adapter; 1241 1242 ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 1243 SOF_TIMESTAMPING_RX_SOFTWARE | 1244 SOF_TIMESTAMPING_SOFTWARE; 1245 1246 ts_info->so_timestamping |= SOF_TIMESTAMPING_RX_HARDWARE | 1247 SOF_TIMESTAMPING_TX_HARDWARE | 1248 SOF_TIMESTAMPING_RAW_HARDWARE; 1249 1250 ts_info->tx_types = (1 << HWTSTAMP_TX_OFF) | 1251 (1 << HWTSTAMP_TX_ON); 1252 1253 ts_info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | 1254 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | 1255 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) | 1256 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) | 1257 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | 1258 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ); 1259 1260 if (adapter->ptp_clock) 1261 ts_info->phc_index = ptp_clock_index(adapter->ptp_clock); 1262 else 1263 ts_info->phc_index = -1; 1264 1265 return 0; 1266 } 1267 1268 static u32 get_rss_table_size(struct net_device *dev) 1269 { 1270 const struct port_info *pi = netdev_priv(dev); 1271 1272 return pi->rss_size; 1273 } 1274 1275 static int get_rss_table(struct net_device *dev, u32 *p, u8 *key, u8 *hfunc) 1276 { 1277 const struct port_info *pi = netdev_priv(dev); 1278 unsigned int n = pi->rss_size; 1279 1280 if (hfunc) 1281 *hfunc = ETH_RSS_HASH_TOP; 1282 if (!p) 1283 return 0; 1284 while (n--) 1285 p[n] = pi->rss[n]; 1286 return 0; 1287 } 1288 1289 static int set_rss_table(struct net_device *dev, const u32 *p, const u8 *key, 1290 const u8 hfunc) 1291 { 1292 unsigned int i; 1293 struct port_info *pi = netdev_priv(dev); 1294 1295 /* We require at least one supported parameter to be changed and no 1296 * change in any of the unsupported parameters 1297 */ 1298 if (key || 1299 (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)) 1300 return -EOPNOTSUPP; 1301 if (!p) 1302 return 0; 1303 1304 /* Interface must be brought up atleast once */ 1305 if (pi->adapter->flags & FULL_INIT_DONE) { 1306 for (i = 0; i < pi->rss_size; i++) 1307 pi->rss[i] = p[i]; 1308 1309 return cxgb4_write_rss(pi, pi->rss); 1310 } 1311 1312 return -EPERM; 1313 } 1314 1315 static int get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, 1316 u32 *rules) 1317 { 1318 const struct port_info *pi = netdev_priv(dev); 1319 1320 switch (info->cmd) { 1321 case ETHTOOL_GRXFH: { 1322 unsigned int v = pi->rss_mode; 1323 1324 info->data = 0; 1325 switch (info->flow_type) { 1326 case TCP_V4_FLOW: 1327 if (v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_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_IP4TWOTUPEN_F) 1331 info->data = RXH_IP_SRC | RXH_IP_DST; 1332 break; 1333 case UDP_V4_FLOW: 1334 if ((v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_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_IP4TWOTUPEN_F) 1339 info->data = RXH_IP_SRC | RXH_IP_DST; 1340 break; 1341 case SCTP_V4_FLOW: 1342 case AH_ESP_V4_FLOW: 1343 case IPV4_FLOW: 1344 if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F) 1345 info->data = RXH_IP_SRC | RXH_IP_DST; 1346 break; 1347 case TCP_V6_FLOW: 1348 if (v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F) 1349 info->data = RXH_IP_SRC | RXH_IP_DST | 1350 RXH_L4_B_0_1 | RXH_L4_B_2_3; 1351 else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F) 1352 info->data = RXH_IP_SRC | RXH_IP_DST; 1353 break; 1354 case UDP_V6_FLOW: 1355 if ((v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F) && 1356 (v & FW_RSS_VI_CONFIG_CMD_UDPEN_F)) 1357 info->data = RXH_IP_SRC | RXH_IP_DST | 1358 RXH_L4_B_0_1 | RXH_L4_B_2_3; 1359 else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F) 1360 info->data = RXH_IP_SRC | RXH_IP_DST; 1361 break; 1362 case SCTP_V6_FLOW: 1363 case AH_ESP_V6_FLOW: 1364 case IPV6_FLOW: 1365 if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F) 1366 info->data = RXH_IP_SRC | RXH_IP_DST; 1367 break; 1368 } 1369 return 0; 1370 } 1371 case ETHTOOL_GRXRINGS: 1372 info->data = pi->nqsets; 1373 return 0; 1374 } 1375 return -EOPNOTSUPP; 1376 } 1377 1378 static int set_dump(struct net_device *dev, struct ethtool_dump *eth_dump) 1379 { 1380 struct adapter *adapter = netdev2adap(dev); 1381 u32 len = 0; 1382 1383 len = sizeof(struct cudbg_hdr) + 1384 sizeof(struct cudbg_entity_hdr) * CUDBG_MAX_ENTITY; 1385 len += cxgb4_get_dump_length(adapter, eth_dump->flag); 1386 1387 adapter->eth_dump.flag = eth_dump->flag; 1388 adapter->eth_dump.len = len; 1389 return 0; 1390 } 1391 1392 static int get_dump_flag(struct net_device *dev, struct ethtool_dump *eth_dump) 1393 { 1394 struct adapter *adapter = netdev2adap(dev); 1395 1396 eth_dump->flag = adapter->eth_dump.flag; 1397 eth_dump->len = adapter->eth_dump.len; 1398 eth_dump->version = adapter->eth_dump.version; 1399 return 0; 1400 } 1401 1402 static int get_dump_data(struct net_device *dev, struct ethtool_dump *eth_dump, 1403 void *buf) 1404 { 1405 struct adapter *adapter = netdev2adap(dev); 1406 u32 len = 0; 1407 int ret = 0; 1408 1409 if (adapter->eth_dump.flag == CXGB4_ETH_DUMP_NONE) 1410 return -ENOENT; 1411 1412 len = sizeof(struct cudbg_hdr) + 1413 sizeof(struct cudbg_entity_hdr) * CUDBG_MAX_ENTITY; 1414 len += cxgb4_get_dump_length(adapter, adapter->eth_dump.flag); 1415 if (eth_dump->len < len) 1416 return -ENOMEM; 1417 1418 ret = cxgb4_cudbg_collect(adapter, buf, &len, adapter->eth_dump.flag); 1419 if (ret) 1420 return ret; 1421 1422 eth_dump->flag = adapter->eth_dump.flag; 1423 eth_dump->len = len; 1424 eth_dump->version = adapter->eth_dump.version; 1425 return 0; 1426 } 1427 1428 static const struct ethtool_ops cxgb_ethtool_ops = { 1429 .get_link_ksettings = get_link_ksettings, 1430 .set_link_ksettings = set_link_ksettings, 1431 .get_fecparam = get_fecparam, 1432 .set_fecparam = set_fecparam, 1433 .get_drvinfo = get_drvinfo, 1434 .get_msglevel = get_msglevel, 1435 .set_msglevel = set_msglevel, 1436 .get_ringparam = get_sge_param, 1437 .set_ringparam = set_sge_param, 1438 .get_coalesce = get_coalesce, 1439 .set_coalesce = set_coalesce, 1440 .get_eeprom_len = get_eeprom_len, 1441 .get_eeprom = get_eeprom, 1442 .set_eeprom = set_eeprom, 1443 .get_pauseparam = get_pauseparam, 1444 .set_pauseparam = set_pauseparam, 1445 .get_link = ethtool_op_get_link, 1446 .get_strings = get_strings, 1447 .set_phys_id = identify_port, 1448 .nway_reset = restart_autoneg, 1449 .get_sset_count = get_sset_count, 1450 .get_ethtool_stats = get_stats, 1451 .get_regs_len = get_regs_len, 1452 .get_regs = get_regs, 1453 .get_rxnfc = get_rxnfc, 1454 .get_rxfh_indir_size = get_rss_table_size, 1455 .get_rxfh = get_rss_table, 1456 .set_rxfh = set_rss_table, 1457 .flash_device = set_flash, 1458 .get_ts_info = get_ts_info, 1459 .set_dump = set_dump, 1460 .get_dump_flag = get_dump_flag, 1461 .get_dump_data = get_dump_data, 1462 }; 1463 1464 void cxgb4_set_ethtool_ops(struct net_device *netdev) 1465 { 1466 netdev->ethtool_ops = &cxgb_ethtool_ops; 1467 } 1468