1 /* Broadcom NetXtreme-C/E network driver. 2 * 3 * Copyright (c) 2014-2016 Broadcom Corporation 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation. 8 */ 9 10 #include <linux/ctype.h> 11 #include <linux/stringify.h> 12 #include <linux/ethtool.h> 13 #include <linux/interrupt.h> 14 #include <linux/pci.h> 15 #include <linux/etherdevice.h> 16 #include <linux/crc32.h> 17 #include <linux/firmware.h> 18 #include "bnxt_hsi.h" 19 #include "bnxt.h" 20 #include "bnxt_ethtool.h" 21 #include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */ 22 #include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */ 23 #define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100) 24 25 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen); 26 27 static u32 bnxt_get_msglevel(struct net_device *dev) 28 { 29 struct bnxt *bp = netdev_priv(dev); 30 31 return bp->msg_enable; 32 } 33 34 static void bnxt_set_msglevel(struct net_device *dev, u32 value) 35 { 36 struct bnxt *bp = netdev_priv(dev); 37 38 bp->msg_enable = value; 39 } 40 41 static int bnxt_get_coalesce(struct net_device *dev, 42 struct ethtool_coalesce *coal) 43 { 44 struct bnxt *bp = netdev_priv(dev); 45 46 memset(coal, 0, sizeof(*coal)); 47 48 coal->rx_coalesce_usecs = bp->rx_coal_ticks; 49 /* 2 completion records per rx packet */ 50 coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2; 51 coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq; 52 coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2; 53 54 coal->tx_coalesce_usecs = bp->tx_coal_ticks; 55 coal->tx_max_coalesced_frames = bp->tx_coal_bufs; 56 coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq; 57 coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq; 58 59 coal->stats_block_coalesce_usecs = bp->stats_coal_ticks; 60 61 return 0; 62 } 63 64 static int bnxt_set_coalesce(struct net_device *dev, 65 struct ethtool_coalesce *coal) 66 { 67 struct bnxt *bp = netdev_priv(dev); 68 bool update_stats = false; 69 int rc = 0; 70 71 bp->rx_coal_ticks = coal->rx_coalesce_usecs; 72 /* 2 completion records per rx packet */ 73 bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2; 74 bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq; 75 bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2; 76 77 bp->tx_coal_ticks = coal->tx_coalesce_usecs; 78 bp->tx_coal_bufs = coal->tx_max_coalesced_frames; 79 bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq; 80 bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq; 81 82 if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) { 83 u32 stats_ticks = coal->stats_block_coalesce_usecs; 84 85 stats_ticks = clamp_t(u32, stats_ticks, 86 BNXT_MIN_STATS_COAL_TICKS, 87 BNXT_MAX_STATS_COAL_TICKS); 88 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS); 89 bp->stats_coal_ticks = stats_ticks; 90 update_stats = true; 91 } 92 93 if (netif_running(dev)) { 94 if (update_stats) { 95 rc = bnxt_close_nic(bp, true, false); 96 if (!rc) 97 rc = bnxt_open_nic(bp, true, false); 98 } else { 99 rc = bnxt_hwrm_set_coal(bp); 100 } 101 } 102 103 return rc; 104 } 105 106 #define BNXT_NUM_STATS 21 107 108 #define BNXT_RX_STATS_OFFSET(counter) \ 109 (offsetof(struct rx_port_stats, counter) / 8) 110 111 #define BNXT_RX_STATS_ENTRY(counter) \ 112 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) } 113 114 #define BNXT_TX_STATS_OFFSET(counter) \ 115 ((offsetof(struct tx_port_stats, counter) + \ 116 sizeof(struct rx_port_stats) + 512) / 8) 117 118 #define BNXT_TX_STATS_ENTRY(counter) \ 119 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) } 120 121 static const struct { 122 long offset; 123 char string[ETH_GSTRING_LEN]; 124 } bnxt_port_stats_arr[] = { 125 BNXT_RX_STATS_ENTRY(rx_64b_frames), 126 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames), 127 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames), 128 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames), 129 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames), 130 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames), 131 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames), 132 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames), 133 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames), 134 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames), 135 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames), 136 BNXT_RX_STATS_ENTRY(rx_total_frames), 137 BNXT_RX_STATS_ENTRY(rx_ucast_frames), 138 BNXT_RX_STATS_ENTRY(rx_mcast_frames), 139 BNXT_RX_STATS_ENTRY(rx_bcast_frames), 140 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames), 141 BNXT_RX_STATS_ENTRY(rx_ctrl_frames), 142 BNXT_RX_STATS_ENTRY(rx_pause_frames), 143 BNXT_RX_STATS_ENTRY(rx_pfc_frames), 144 BNXT_RX_STATS_ENTRY(rx_align_err_frames), 145 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames), 146 BNXT_RX_STATS_ENTRY(rx_jbr_frames), 147 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames), 148 BNXT_RX_STATS_ENTRY(rx_tagged_frames), 149 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames), 150 BNXT_RX_STATS_ENTRY(rx_good_frames), 151 BNXT_RX_STATS_ENTRY(rx_undrsz_frames), 152 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events), 153 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration), 154 BNXT_RX_STATS_ENTRY(rx_bytes), 155 BNXT_RX_STATS_ENTRY(rx_runt_bytes), 156 BNXT_RX_STATS_ENTRY(rx_runt_frames), 157 158 BNXT_TX_STATS_ENTRY(tx_64b_frames), 159 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames), 160 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames), 161 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames), 162 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames), 163 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames), 164 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames), 165 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames), 166 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames), 167 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames), 168 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames), 169 BNXT_TX_STATS_ENTRY(tx_good_frames), 170 BNXT_TX_STATS_ENTRY(tx_total_frames), 171 BNXT_TX_STATS_ENTRY(tx_ucast_frames), 172 BNXT_TX_STATS_ENTRY(tx_mcast_frames), 173 BNXT_TX_STATS_ENTRY(tx_bcast_frames), 174 BNXT_TX_STATS_ENTRY(tx_pause_frames), 175 BNXT_TX_STATS_ENTRY(tx_pfc_frames), 176 BNXT_TX_STATS_ENTRY(tx_jabber_frames), 177 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames), 178 BNXT_TX_STATS_ENTRY(tx_err), 179 BNXT_TX_STATS_ENTRY(tx_fifo_underruns), 180 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events), 181 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration), 182 BNXT_TX_STATS_ENTRY(tx_total_collisions), 183 BNXT_TX_STATS_ENTRY(tx_bytes), 184 }; 185 186 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr) 187 188 static int bnxt_get_sset_count(struct net_device *dev, int sset) 189 { 190 struct bnxt *bp = netdev_priv(dev); 191 192 switch (sset) { 193 case ETH_SS_STATS: { 194 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings; 195 196 if (bp->flags & BNXT_FLAG_PORT_STATS) 197 num_stats += BNXT_NUM_PORT_STATS; 198 199 return num_stats; 200 } 201 default: 202 return -EOPNOTSUPP; 203 } 204 } 205 206 static void bnxt_get_ethtool_stats(struct net_device *dev, 207 struct ethtool_stats *stats, u64 *buf) 208 { 209 u32 i, j = 0; 210 struct bnxt *bp = netdev_priv(dev); 211 u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings; 212 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8; 213 214 memset(buf, 0, buf_size); 215 216 if (!bp->bnapi) 217 return; 218 219 for (i = 0; i < bp->cp_nr_rings; i++) { 220 struct bnxt_napi *bnapi = bp->bnapi[i]; 221 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; 222 __le64 *hw_stats = (__le64 *)cpr->hw_stats; 223 int k; 224 225 for (k = 0; k < stat_fields; j++, k++) 226 buf[j] = le64_to_cpu(hw_stats[k]); 227 buf[j++] = cpr->rx_l4_csum_errors; 228 } 229 if (bp->flags & BNXT_FLAG_PORT_STATS) { 230 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats; 231 232 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) { 233 buf[j] = le64_to_cpu(*(port_stats + 234 bnxt_port_stats_arr[i].offset)); 235 } 236 } 237 } 238 239 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 240 { 241 struct bnxt *bp = netdev_priv(dev); 242 u32 i; 243 244 switch (stringset) { 245 /* The number of strings must match BNXT_NUM_STATS defined above. */ 246 case ETH_SS_STATS: 247 for (i = 0; i < bp->cp_nr_rings; i++) { 248 sprintf(buf, "[%d]: rx_ucast_packets", i); 249 buf += ETH_GSTRING_LEN; 250 sprintf(buf, "[%d]: rx_mcast_packets", i); 251 buf += ETH_GSTRING_LEN; 252 sprintf(buf, "[%d]: rx_bcast_packets", i); 253 buf += ETH_GSTRING_LEN; 254 sprintf(buf, "[%d]: rx_discards", i); 255 buf += ETH_GSTRING_LEN; 256 sprintf(buf, "[%d]: rx_drops", i); 257 buf += ETH_GSTRING_LEN; 258 sprintf(buf, "[%d]: rx_ucast_bytes", i); 259 buf += ETH_GSTRING_LEN; 260 sprintf(buf, "[%d]: rx_mcast_bytes", i); 261 buf += ETH_GSTRING_LEN; 262 sprintf(buf, "[%d]: rx_bcast_bytes", i); 263 buf += ETH_GSTRING_LEN; 264 sprintf(buf, "[%d]: tx_ucast_packets", i); 265 buf += ETH_GSTRING_LEN; 266 sprintf(buf, "[%d]: tx_mcast_packets", i); 267 buf += ETH_GSTRING_LEN; 268 sprintf(buf, "[%d]: tx_bcast_packets", i); 269 buf += ETH_GSTRING_LEN; 270 sprintf(buf, "[%d]: tx_discards", i); 271 buf += ETH_GSTRING_LEN; 272 sprintf(buf, "[%d]: tx_drops", i); 273 buf += ETH_GSTRING_LEN; 274 sprintf(buf, "[%d]: tx_ucast_bytes", i); 275 buf += ETH_GSTRING_LEN; 276 sprintf(buf, "[%d]: tx_mcast_bytes", i); 277 buf += ETH_GSTRING_LEN; 278 sprintf(buf, "[%d]: tx_bcast_bytes", i); 279 buf += ETH_GSTRING_LEN; 280 sprintf(buf, "[%d]: tpa_packets", i); 281 buf += ETH_GSTRING_LEN; 282 sprintf(buf, "[%d]: tpa_bytes", i); 283 buf += ETH_GSTRING_LEN; 284 sprintf(buf, "[%d]: tpa_events", i); 285 buf += ETH_GSTRING_LEN; 286 sprintf(buf, "[%d]: tpa_aborts", i); 287 buf += ETH_GSTRING_LEN; 288 sprintf(buf, "[%d]: rx_l4_csum_errors", i); 289 buf += ETH_GSTRING_LEN; 290 } 291 if (bp->flags & BNXT_FLAG_PORT_STATS) { 292 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) { 293 strcpy(buf, bnxt_port_stats_arr[i].string); 294 buf += ETH_GSTRING_LEN; 295 } 296 } 297 break; 298 default: 299 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n", 300 stringset); 301 break; 302 } 303 } 304 305 static void bnxt_get_ringparam(struct net_device *dev, 306 struct ethtool_ringparam *ering) 307 { 308 struct bnxt *bp = netdev_priv(dev); 309 310 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT; 311 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT; 312 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT; 313 314 ering->rx_pending = bp->rx_ring_size; 315 ering->rx_jumbo_pending = bp->rx_agg_ring_size; 316 ering->tx_pending = bp->tx_ring_size; 317 } 318 319 static int bnxt_set_ringparam(struct net_device *dev, 320 struct ethtool_ringparam *ering) 321 { 322 struct bnxt *bp = netdev_priv(dev); 323 324 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) || 325 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) || 326 (ering->tx_pending <= MAX_SKB_FRAGS)) 327 return -EINVAL; 328 329 if (netif_running(dev)) 330 bnxt_close_nic(bp, false, false); 331 332 bp->rx_ring_size = ering->rx_pending; 333 bp->tx_ring_size = ering->tx_pending; 334 bnxt_set_ring_params(bp); 335 336 if (netif_running(dev)) 337 return bnxt_open_nic(bp, false, false); 338 339 return 0; 340 } 341 342 static void bnxt_get_channels(struct net_device *dev, 343 struct ethtool_channels *channel) 344 { 345 struct bnxt *bp = netdev_priv(dev); 346 int max_rx_rings, max_tx_rings, tcs; 347 348 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true); 349 channel->max_combined = max_rx_rings; 350 351 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) { 352 max_rx_rings = 0; 353 max_tx_rings = 0; 354 } 355 356 tcs = netdev_get_num_tc(dev); 357 if (tcs > 1) 358 max_tx_rings /= tcs; 359 360 channel->max_rx = max_rx_rings; 361 channel->max_tx = max_tx_rings; 362 channel->max_other = 0; 363 if (bp->flags & BNXT_FLAG_SHARED_RINGS) { 364 channel->combined_count = bp->rx_nr_rings; 365 if (BNXT_CHIP_TYPE_NITRO_A0(bp)) 366 channel->combined_count--; 367 } else { 368 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) { 369 channel->rx_count = bp->rx_nr_rings; 370 channel->tx_count = bp->tx_nr_rings_per_tc; 371 } 372 } 373 } 374 375 static int bnxt_set_channels(struct net_device *dev, 376 struct ethtool_channels *channel) 377 { 378 struct bnxt *bp = netdev_priv(dev); 379 int max_rx_rings, max_tx_rings, tcs; 380 u32 rc = 0; 381 bool sh = false; 382 383 if (channel->other_count) 384 return -EINVAL; 385 386 if (!channel->combined_count && 387 (!channel->rx_count || !channel->tx_count)) 388 return -EINVAL; 389 390 if (channel->combined_count && 391 (channel->rx_count || channel->tx_count)) 392 return -EINVAL; 393 394 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count || 395 channel->tx_count)) 396 return -EINVAL; 397 398 if (channel->combined_count) 399 sh = true; 400 401 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh); 402 403 tcs = netdev_get_num_tc(dev); 404 if (tcs > 1) 405 max_tx_rings /= tcs; 406 407 if (sh && (channel->combined_count > max_rx_rings || 408 channel->combined_count > max_tx_rings)) 409 return -ENOMEM; 410 411 if (!sh && (channel->rx_count > max_rx_rings || 412 channel->tx_count > max_tx_rings)) 413 return -ENOMEM; 414 415 if (netif_running(dev)) { 416 if (BNXT_PF(bp)) { 417 /* TODO CHIMP_FW: Send message to all VF's 418 * before PF unload 419 */ 420 } 421 rc = bnxt_close_nic(bp, true, false); 422 if (rc) { 423 netdev_err(bp->dev, "Set channel failure rc :%x\n", 424 rc); 425 return rc; 426 } 427 } 428 429 if (sh) { 430 bp->flags |= BNXT_FLAG_SHARED_RINGS; 431 bp->rx_nr_rings = channel->combined_count; 432 bp->tx_nr_rings_per_tc = channel->combined_count; 433 } else { 434 bp->flags &= ~BNXT_FLAG_SHARED_RINGS; 435 bp->rx_nr_rings = channel->rx_count; 436 bp->tx_nr_rings_per_tc = channel->tx_count; 437 } 438 439 bp->tx_nr_rings = bp->tx_nr_rings_per_tc; 440 if (tcs > 1) 441 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs; 442 443 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : 444 bp->tx_nr_rings + bp->rx_nr_rings; 445 446 bp->num_stat_ctxs = bp->cp_nr_rings; 447 448 /* After changing number of rx channels, update NTUPLE feature. */ 449 netdev_update_features(dev); 450 if (netif_running(dev)) { 451 rc = bnxt_open_nic(bp, true, false); 452 if ((!rc) && BNXT_PF(bp)) { 453 /* TODO CHIMP_FW: Send message to all VF's 454 * to renable 455 */ 456 } 457 } 458 459 return rc; 460 } 461 462 #ifdef CONFIG_RFS_ACCEL 463 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd, 464 u32 *rule_locs) 465 { 466 int i, j = 0; 467 468 cmd->data = bp->ntp_fltr_count; 469 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 470 struct hlist_head *head; 471 struct bnxt_ntuple_filter *fltr; 472 473 head = &bp->ntp_fltr_hash_tbl[i]; 474 rcu_read_lock(); 475 hlist_for_each_entry_rcu(fltr, head, hash) { 476 if (j == cmd->rule_cnt) 477 break; 478 rule_locs[j++] = fltr->sw_id; 479 } 480 rcu_read_unlock(); 481 if (j == cmd->rule_cnt) 482 break; 483 } 484 cmd->rule_cnt = j; 485 return 0; 486 } 487 488 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd) 489 { 490 struct ethtool_rx_flow_spec *fs = 491 (struct ethtool_rx_flow_spec *)&cmd->fs; 492 struct bnxt_ntuple_filter *fltr; 493 struct flow_keys *fkeys; 494 int i, rc = -EINVAL; 495 496 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR) 497 return rc; 498 499 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 500 struct hlist_head *head; 501 502 head = &bp->ntp_fltr_hash_tbl[i]; 503 rcu_read_lock(); 504 hlist_for_each_entry_rcu(fltr, head, hash) { 505 if (fltr->sw_id == fs->location) 506 goto fltr_found; 507 } 508 rcu_read_unlock(); 509 } 510 return rc; 511 512 fltr_found: 513 fkeys = &fltr->fkeys; 514 if (fkeys->basic.ip_proto == IPPROTO_TCP) 515 fs->flow_type = TCP_V4_FLOW; 516 else if (fkeys->basic.ip_proto == IPPROTO_UDP) 517 fs->flow_type = UDP_V4_FLOW; 518 else 519 goto fltr_err; 520 521 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src; 522 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0); 523 524 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst; 525 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0); 526 527 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src; 528 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0); 529 530 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst; 531 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0); 532 533 fs->ring_cookie = fltr->rxq; 534 rc = 0; 535 536 fltr_err: 537 rcu_read_unlock(); 538 539 return rc; 540 } 541 542 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 543 u32 *rule_locs) 544 { 545 struct bnxt *bp = netdev_priv(dev); 546 int rc = 0; 547 548 switch (cmd->cmd) { 549 case ETHTOOL_GRXRINGS: 550 cmd->data = bp->rx_nr_rings; 551 break; 552 553 case ETHTOOL_GRXCLSRLCNT: 554 cmd->rule_cnt = bp->ntp_fltr_count; 555 cmd->data = BNXT_NTP_FLTR_MAX_FLTR; 556 break; 557 558 case ETHTOOL_GRXCLSRLALL: 559 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs); 560 break; 561 562 case ETHTOOL_GRXCLSRULE: 563 rc = bnxt_grxclsrule(bp, cmd); 564 break; 565 566 default: 567 rc = -EOPNOTSUPP; 568 break; 569 } 570 571 return rc; 572 } 573 #endif 574 575 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev) 576 { 577 return HW_HASH_INDEX_SIZE; 578 } 579 580 static u32 bnxt_get_rxfh_key_size(struct net_device *dev) 581 { 582 return HW_HASH_KEY_SIZE; 583 } 584 585 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, 586 u8 *hfunc) 587 { 588 struct bnxt *bp = netdev_priv(dev); 589 struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; 590 int i = 0; 591 592 if (hfunc) 593 *hfunc = ETH_RSS_HASH_TOP; 594 595 if (indir) 596 for (i = 0; i < HW_HASH_INDEX_SIZE; i++) 597 indir[i] = le16_to_cpu(vnic->rss_table[i]); 598 599 if (key) 600 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE); 601 602 return 0; 603 } 604 605 static void bnxt_get_drvinfo(struct net_device *dev, 606 struct ethtool_drvinfo *info) 607 { 608 struct bnxt *bp = netdev_priv(dev); 609 char *pkglog; 610 char *pkgver = NULL; 611 612 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL); 613 if (pkglog) 614 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH); 615 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 616 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 617 if (pkgver && *pkgver != 0 && isdigit(*pkgver)) 618 snprintf(info->fw_version, sizeof(info->fw_version) - 1, 619 "%s pkg %s", bp->fw_ver_str, pkgver); 620 else 621 strlcpy(info->fw_version, bp->fw_ver_str, 622 sizeof(info->fw_version)); 623 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); 624 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings; 625 info->testinfo_len = BNXT_NUM_TESTS(bp); 626 /* TODO CHIMP_FW: eeprom dump details */ 627 info->eedump_len = 0; 628 /* TODO CHIMP FW: reg dump details */ 629 info->regdump_len = 0; 630 kfree(pkglog); 631 } 632 633 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause) 634 { 635 u32 speed_mask = 0; 636 637 /* TODO: support 25GB, 40GB, 50GB with different cable type */ 638 /* set the advertised speeds */ 639 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB) 640 speed_mask |= ADVERTISED_100baseT_Full; 641 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB) 642 speed_mask |= ADVERTISED_1000baseT_Full; 643 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB) 644 speed_mask |= ADVERTISED_2500baseX_Full; 645 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB) 646 speed_mask |= ADVERTISED_10000baseT_Full; 647 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB) 648 speed_mask |= ADVERTISED_40000baseCR4_Full; 649 650 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH) 651 speed_mask |= ADVERTISED_Pause; 652 else if (fw_pause & BNXT_LINK_PAUSE_TX) 653 speed_mask |= ADVERTISED_Asym_Pause; 654 else if (fw_pause & BNXT_LINK_PAUSE_RX) 655 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; 656 657 return speed_mask; 658 } 659 660 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\ 661 { \ 662 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \ 663 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 664 100baseT_Full); \ 665 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \ 666 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 667 1000baseT_Full); \ 668 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \ 669 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 670 10000baseT_Full); \ 671 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \ 672 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 673 25000baseCR_Full); \ 674 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \ 675 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 676 40000baseCR4_Full);\ 677 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \ 678 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 679 50000baseCR2_Full);\ 680 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \ 681 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 682 Pause); \ 683 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \ 684 ethtool_link_ksettings_add_link_mode( \ 685 lk_ksettings, name, Asym_Pause);\ 686 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \ 687 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 688 Asym_Pause); \ 689 } \ 690 } 691 692 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \ 693 { \ 694 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 695 100baseT_Full) || \ 696 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 697 100baseT_Half)) \ 698 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \ 699 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 700 1000baseT_Full) || \ 701 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 702 1000baseT_Half)) \ 703 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \ 704 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 705 10000baseT_Full)) \ 706 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \ 707 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 708 25000baseCR_Full)) \ 709 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \ 710 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 711 40000baseCR4_Full)) \ 712 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \ 713 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 714 50000baseCR2_Full)) \ 715 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \ 716 } 717 718 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info, 719 struct ethtool_link_ksettings *lk_ksettings) 720 { 721 u16 fw_speeds = link_info->auto_link_speeds; 722 u8 fw_pause = 0; 723 724 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 725 fw_pause = link_info->auto_pause_setting; 726 727 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising); 728 } 729 730 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info, 731 struct ethtool_link_ksettings *lk_ksettings) 732 { 733 u16 fw_speeds = link_info->lp_auto_link_speeds; 734 u8 fw_pause = 0; 735 736 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 737 fw_pause = link_info->lp_pause; 738 739 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, 740 lp_advertising); 741 } 742 743 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info, 744 struct ethtool_link_ksettings *lk_ksettings) 745 { 746 u16 fw_speeds = link_info->support_speeds; 747 748 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported); 749 750 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause); 751 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 752 Asym_Pause); 753 754 if (link_info->support_auto_speeds) 755 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 756 Autoneg); 757 } 758 759 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) 760 { 761 switch (fw_link_speed) { 762 case BNXT_LINK_SPEED_100MB: 763 return SPEED_100; 764 case BNXT_LINK_SPEED_1GB: 765 return SPEED_1000; 766 case BNXT_LINK_SPEED_2_5GB: 767 return SPEED_2500; 768 case BNXT_LINK_SPEED_10GB: 769 return SPEED_10000; 770 case BNXT_LINK_SPEED_20GB: 771 return SPEED_20000; 772 case BNXT_LINK_SPEED_25GB: 773 return SPEED_25000; 774 case BNXT_LINK_SPEED_40GB: 775 return SPEED_40000; 776 case BNXT_LINK_SPEED_50GB: 777 return SPEED_50000; 778 default: 779 return SPEED_UNKNOWN; 780 } 781 } 782 783 static int bnxt_get_link_ksettings(struct net_device *dev, 784 struct ethtool_link_ksettings *lk_ksettings) 785 { 786 struct bnxt *bp = netdev_priv(dev); 787 struct bnxt_link_info *link_info = &bp->link_info; 788 struct ethtool_link_settings *base = &lk_ksettings->base; 789 u32 ethtool_speed; 790 791 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported); 792 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings); 793 794 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising); 795 if (link_info->autoneg) { 796 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings); 797 ethtool_link_ksettings_add_link_mode(lk_ksettings, 798 advertising, Autoneg); 799 base->autoneg = AUTONEG_ENABLE; 800 if (link_info->phy_link_status == BNXT_LINK_LINK) 801 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings); 802 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); 803 if (!netif_carrier_ok(dev)) 804 base->duplex = DUPLEX_UNKNOWN; 805 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) 806 base->duplex = DUPLEX_FULL; 807 else 808 base->duplex = DUPLEX_HALF; 809 } else { 810 base->autoneg = AUTONEG_DISABLE; 811 ethtool_speed = 812 bnxt_fw_to_ethtool_speed(link_info->req_link_speed); 813 base->duplex = DUPLEX_HALF; 814 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL) 815 base->duplex = DUPLEX_FULL; 816 } 817 base->speed = ethtool_speed; 818 819 base->port = PORT_NONE; 820 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 821 base->port = PORT_TP; 822 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 823 TP); 824 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 825 TP); 826 } else { 827 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 828 FIBRE); 829 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 830 FIBRE); 831 832 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC) 833 base->port = PORT_DA; 834 else if (link_info->media_type == 835 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE) 836 base->port = PORT_FIBRE; 837 } 838 base->phy_address = link_info->phy_addr; 839 840 return 0; 841 } 842 843 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed) 844 { 845 struct bnxt *bp = netdev_priv(dev); 846 struct bnxt_link_info *link_info = &bp->link_info; 847 u16 support_spds = link_info->support_speeds; 848 u32 fw_speed = 0; 849 850 switch (ethtool_speed) { 851 case SPEED_100: 852 if (support_spds & BNXT_LINK_SPEED_MSK_100MB) 853 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB; 854 break; 855 case SPEED_1000: 856 if (support_spds & BNXT_LINK_SPEED_MSK_1GB) 857 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB; 858 break; 859 case SPEED_2500: 860 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB) 861 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB; 862 break; 863 case SPEED_10000: 864 if (support_spds & BNXT_LINK_SPEED_MSK_10GB) 865 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB; 866 break; 867 case SPEED_20000: 868 if (support_spds & BNXT_LINK_SPEED_MSK_20GB) 869 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB; 870 break; 871 case SPEED_25000: 872 if (support_spds & BNXT_LINK_SPEED_MSK_25GB) 873 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB; 874 break; 875 case SPEED_40000: 876 if (support_spds & BNXT_LINK_SPEED_MSK_40GB) 877 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB; 878 break; 879 case SPEED_50000: 880 if (support_spds & BNXT_LINK_SPEED_MSK_50GB) 881 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB; 882 break; 883 default: 884 netdev_err(dev, "unsupported speed!\n"); 885 break; 886 } 887 return fw_speed; 888 } 889 890 u16 bnxt_get_fw_auto_link_speeds(u32 advertising) 891 { 892 u16 fw_speed_mask = 0; 893 894 /* only support autoneg at speed 100, 1000, and 10000 */ 895 if (advertising & (ADVERTISED_100baseT_Full | 896 ADVERTISED_100baseT_Half)) { 897 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB; 898 } 899 if (advertising & (ADVERTISED_1000baseT_Full | 900 ADVERTISED_1000baseT_Half)) { 901 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB; 902 } 903 if (advertising & ADVERTISED_10000baseT_Full) 904 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB; 905 906 if (advertising & ADVERTISED_40000baseCR4_Full) 907 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB; 908 909 return fw_speed_mask; 910 } 911 912 static int bnxt_set_link_ksettings(struct net_device *dev, 913 const struct ethtool_link_ksettings *lk_ksettings) 914 { 915 struct bnxt *bp = netdev_priv(dev); 916 struct bnxt_link_info *link_info = &bp->link_info; 917 const struct ethtool_link_settings *base = &lk_ksettings->base; 918 u32 speed, fw_advertising = 0; 919 bool set_pause = false; 920 int rc = 0; 921 922 if (!BNXT_SINGLE_PF(bp)) 923 return -EOPNOTSUPP; 924 925 if (base->autoneg == AUTONEG_ENABLE) { 926 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings, 927 advertising); 928 link_info->autoneg |= BNXT_AUTONEG_SPEED; 929 if (!fw_advertising) 930 link_info->advertising = link_info->support_auto_speeds; 931 else 932 link_info->advertising = fw_advertising; 933 /* any change to autoneg will cause link change, therefore the 934 * driver should put back the original pause setting in autoneg 935 */ 936 set_pause = true; 937 } else { 938 u16 fw_speed; 939 u8 phy_type = link_info->phy_type; 940 941 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET || 942 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE || 943 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 944 netdev_err(dev, "10GBase-T devices must autoneg\n"); 945 rc = -EINVAL; 946 goto set_setting_exit; 947 } 948 if (base->duplex == DUPLEX_HALF) { 949 netdev_err(dev, "HALF DUPLEX is not supported!\n"); 950 rc = -EINVAL; 951 goto set_setting_exit; 952 } 953 speed = base->speed; 954 fw_speed = bnxt_get_fw_speed(dev, speed); 955 if (!fw_speed) { 956 rc = -EINVAL; 957 goto set_setting_exit; 958 } 959 link_info->req_link_speed = fw_speed; 960 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL; 961 link_info->autoneg = 0; 962 link_info->advertising = 0; 963 } 964 965 if (netif_running(dev)) 966 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false); 967 968 set_setting_exit: 969 return rc; 970 } 971 972 static void bnxt_get_pauseparam(struct net_device *dev, 973 struct ethtool_pauseparam *epause) 974 { 975 struct bnxt *bp = netdev_priv(dev); 976 struct bnxt_link_info *link_info = &bp->link_info; 977 978 if (BNXT_VF(bp)) 979 return; 980 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL); 981 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX); 982 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX); 983 } 984 985 static int bnxt_set_pauseparam(struct net_device *dev, 986 struct ethtool_pauseparam *epause) 987 { 988 int rc = 0; 989 struct bnxt *bp = netdev_priv(dev); 990 struct bnxt_link_info *link_info = &bp->link_info; 991 992 if (!BNXT_SINGLE_PF(bp)) 993 return -EOPNOTSUPP; 994 995 if (epause->autoneg) { 996 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 997 return -EINVAL; 998 999 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; 1000 if (bp->hwrm_spec_code >= 0x10201) 1001 link_info->req_flow_ctrl = 1002 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE; 1003 } else { 1004 /* when transition from auto pause to force pause, 1005 * force a link change 1006 */ 1007 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 1008 link_info->force_link_chng = true; 1009 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL; 1010 link_info->req_flow_ctrl = 0; 1011 } 1012 if (epause->rx_pause) 1013 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX; 1014 1015 if (epause->tx_pause) 1016 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX; 1017 1018 if (netif_running(dev)) 1019 rc = bnxt_hwrm_set_pause(bp); 1020 return rc; 1021 } 1022 1023 static u32 bnxt_get_link(struct net_device *dev) 1024 { 1025 struct bnxt *bp = netdev_priv(dev); 1026 1027 /* TODO: handle MF, VF, driver close case */ 1028 return bp->link_info.link_up; 1029 } 1030 1031 static int bnxt_flash_nvram(struct net_device *dev, 1032 u16 dir_type, 1033 u16 dir_ordinal, 1034 u16 dir_ext, 1035 u16 dir_attr, 1036 const u8 *data, 1037 size_t data_len) 1038 { 1039 struct bnxt *bp = netdev_priv(dev); 1040 int rc; 1041 struct hwrm_nvm_write_input req = {0}; 1042 dma_addr_t dma_handle; 1043 u8 *kmem; 1044 1045 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1); 1046 1047 req.dir_type = cpu_to_le16(dir_type); 1048 req.dir_ordinal = cpu_to_le16(dir_ordinal); 1049 req.dir_ext = cpu_to_le16(dir_ext); 1050 req.dir_attr = cpu_to_le16(dir_attr); 1051 req.dir_data_length = cpu_to_le32(data_len); 1052 1053 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle, 1054 GFP_KERNEL); 1055 if (!kmem) { 1056 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1057 (unsigned)data_len); 1058 return -ENOMEM; 1059 } 1060 memcpy(kmem, data, data_len); 1061 req.host_src_addr = cpu_to_le64(dma_handle); 1062 1063 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT); 1064 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle); 1065 1066 return rc; 1067 } 1068 1069 static int bnxt_firmware_reset(struct net_device *dev, 1070 u16 dir_type) 1071 { 1072 struct bnxt *bp = netdev_priv(dev); 1073 struct hwrm_fw_reset_input req = {0}; 1074 1075 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); 1076 1077 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */ 1078 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */ 1079 /* (e.g. when firmware isn't already running) */ 1080 switch (dir_type) { 1081 case BNX_DIR_TYPE_CHIMP_PATCH: 1082 case BNX_DIR_TYPE_BOOTCODE: 1083 case BNX_DIR_TYPE_BOOTCODE_2: 1084 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT; 1085 /* Self-reset ChiMP upon next PCIe reset: */ 1086 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 1087 break; 1088 case BNX_DIR_TYPE_APE_FW: 1089 case BNX_DIR_TYPE_APE_PATCH: 1090 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT; 1091 /* Self-reset APE upon next PCIe reset: */ 1092 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 1093 break; 1094 case BNX_DIR_TYPE_KONG_FW: 1095 case BNX_DIR_TYPE_KONG_PATCH: 1096 req.embedded_proc_type = 1097 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL; 1098 break; 1099 case BNX_DIR_TYPE_BONO_FW: 1100 case BNX_DIR_TYPE_BONO_PATCH: 1101 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE; 1102 break; 1103 default: 1104 return -EINVAL; 1105 } 1106 1107 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1108 } 1109 1110 static int bnxt_flash_firmware(struct net_device *dev, 1111 u16 dir_type, 1112 const u8 *fw_data, 1113 size_t fw_size) 1114 { 1115 int rc = 0; 1116 u16 code_type; 1117 u32 stored_crc; 1118 u32 calculated_crc; 1119 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data; 1120 1121 switch (dir_type) { 1122 case BNX_DIR_TYPE_BOOTCODE: 1123 case BNX_DIR_TYPE_BOOTCODE_2: 1124 code_type = CODE_BOOT; 1125 break; 1126 case BNX_DIR_TYPE_CHIMP_PATCH: 1127 code_type = CODE_CHIMP_PATCH; 1128 break; 1129 case BNX_DIR_TYPE_APE_FW: 1130 code_type = CODE_MCTP_PASSTHRU; 1131 break; 1132 case BNX_DIR_TYPE_APE_PATCH: 1133 code_type = CODE_APE_PATCH; 1134 break; 1135 case BNX_DIR_TYPE_KONG_FW: 1136 code_type = CODE_KONG_FW; 1137 break; 1138 case BNX_DIR_TYPE_KONG_PATCH: 1139 code_type = CODE_KONG_PATCH; 1140 break; 1141 case BNX_DIR_TYPE_BONO_FW: 1142 code_type = CODE_BONO_FW; 1143 break; 1144 case BNX_DIR_TYPE_BONO_PATCH: 1145 code_type = CODE_BONO_PATCH; 1146 break; 1147 default: 1148 netdev_err(dev, "Unsupported directory entry type: %u\n", 1149 dir_type); 1150 return -EINVAL; 1151 } 1152 if (fw_size < sizeof(struct bnxt_fw_header)) { 1153 netdev_err(dev, "Invalid firmware file size: %u\n", 1154 (unsigned int)fw_size); 1155 return -EINVAL; 1156 } 1157 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) { 1158 netdev_err(dev, "Invalid firmware signature: %08X\n", 1159 le32_to_cpu(header->signature)); 1160 return -EINVAL; 1161 } 1162 if (header->code_type != code_type) { 1163 netdev_err(dev, "Expected firmware type: %d, read: %d\n", 1164 code_type, header->code_type); 1165 return -EINVAL; 1166 } 1167 if (header->device != DEVICE_CUMULUS_FAMILY) { 1168 netdev_err(dev, "Expected firmware device family %d, read: %d\n", 1169 DEVICE_CUMULUS_FAMILY, header->device); 1170 return -EINVAL; 1171 } 1172 /* Confirm the CRC32 checksum of the file: */ 1173 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1174 sizeof(stored_crc))); 1175 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1176 if (calculated_crc != stored_crc) { 1177 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n", 1178 (unsigned long)stored_crc, 1179 (unsigned long)calculated_crc); 1180 return -EINVAL; 1181 } 1182 /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */ 1183 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1184 0, 0, fw_data, fw_size); 1185 if (rc == 0) /* Firmware update successful */ 1186 rc = bnxt_firmware_reset(dev, dir_type); 1187 1188 return rc; 1189 } 1190 1191 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type) 1192 { 1193 switch (dir_type) { 1194 case BNX_DIR_TYPE_CHIMP_PATCH: 1195 case BNX_DIR_TYPE_BOOTCODE: 1196 case BNX_DIR_TYPE_BOOTCODE_2: 1197 case BNX_DIR_TYPE_APE_FW: 1198 case BNX_DIR_TYPE_APE_PATCH: 1199 case BNX_DIR_TYPE_KONG_FW: 1200 case BNX_DIR_TYPE_KONG_PATCH: 1201 case BNX_DIR_TYPE_BONO_FW: 1202 case BNX_DIR_TYPE_BONO_PATCH: 1203 return true; 1204 } 1205 1206 return false; 1207 } 1208 1209 static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type) 1210 { 1211 switch (dir_type) { 1212 case BNX_DIR_TYPE_AVS: 1213 case BNX_DIR_TYPE_EXP_ROM_MBA: 1214 case BNX_DIR_TYPE_PCIE: 1215 case BNX_DIR_TYPE_TSCF_UCODE: 1216 case BNX_DIR_TYPE_EXT_PHY: 1217 case BNX_DIR_TYPE_CCM: 1218 case BNX_DIR_TYPE_ISCSI_BOOT: 1219 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6: 1220 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6: 1221 return true; 1222 } 1223 1224 return false; 1225 } 1226 1227 static bool bnxt_dir_type_is_executable(u16 dir_type) 1228 { 1229 return bnxt_dir_type_is_ape_bin_format(dir_type) || 1230 bnxt_dir_type_is_unprotected_exec_format(dir_type); 1231 } 1232 1233 static int bnxt_flash_firmware_from_file(struct net_device *dev, 1234 u16 dir_type, 1235 const char *filename) 1236 { 1237 const struct firmware *fw; 1238 int rc; 1239 1240 if (dir_type != BNX_DIR_TYPE_UPDATE && 1241 bnxt_dir_type_is_executable(dir_type) == false) 1242 return -EINVAL; 1243 1244 rc = request_firmware(&fw, filename, &dev->dev); 1245 if (rc != 0) { 1246 netdev_err(dev, "Error %d requesting firmware file: %s\n", 1247 rc, filename); 1248 return rc; 1249 } 1250 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true) 1251 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size); 1252 else 1253 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1254 0, 0, fw->data, fw->size); 1255 release_firmware(fw); 1256 return rc; 1257 } 1258 1259 static int bnxt_flash_package_from_file(struct net_device *dev, 1260 char *filename) 1261 { 1262 netdev_err(dev, "packages are not yet supported\n"); 1263 return -EINVAL; 1264 } 1265 1266 static int bnxt_flash_device(struct net_device *dev, 1267 struct ethtool_flash *flash) 1268 { 1269 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) { 1270 netdev_err(dev, "flashdev not supported from a virtual function\n"); 1271 return -EINVAL; 1272 } 1273 1274 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS) 1275 return bnxt_flash_package_from_file(dev, flash->data); 1276 1277 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data); 1278 } 1279 1280 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length) 1281 { 1282 struct bnxt *bp = netdev_priv(dev); 1283 int rc; 1284 struct hwrm_nvm_get_dir_info_input req = {0}; 1285 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr; 1286 1287 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1); 1288 1289 mutex_lock(&bp->hwrm_cmd_lock); 1290 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1291 if (!rc) { 1292 *entries = le32_to_cpu(output->entries); 1293 *length = le32_to_cpu(output->entry_length); 1294 } 1295 mutex_unlock(&bp->hwrm_cmd_lock); 1296 return rc; 1297 } 1298 1299 static int bnxt_get_eeprom_len(struct net_device *dev) 1300 { 1301 /* The -1 return value allows the entire 32-bit range of offsets to be 1302 * passed via the ethtool command-line utility. 1303 */ 1304 return -1; 1305 } 1306 1307 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) 1308 { 1309 struct bnxt *bp = netdev_priv(dev); 1310 int rc; 1311 u32 dir_entries; 1312 u32 entry_length; 1313 u8 *buf; 1314 size_t buflen; 1315 dma_addr_t dma_handle; 1316 struct hwrm_nvm_get_dir_entries_input req = {0}; 1317 1318 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length); 1319 if (rc != 0) 1320 return rc; 1321 1322 /* Insert 2 bytes of directory info (count and size of entries) */ 1323 if (len < 2) 1324 return -EINVAL; 1325 1326 *data++ = dir_entries; 1327 *data++ = entry_length; 1328 len -= 2; 1329 memset(data, 0xff, len); 1330 1331 buflen = dir_entries * entry_length; 1332 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle, 1333 GFP_KERNEL); 1334 if (!buf) { 1335 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1336 (unsigned)buflen); 1337 return -ENOMEM; 1338 } 1339 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1); 1340 req.host_dest_addr = cpu_to_le64(dma_handle); 1341 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1342 if (rc == 0) 1343 memcpy(data, buf, len > buflen ? buflen : len); 1344 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle); 1345 return rc; 1346 } 1347 1348 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, 1349 u32 length, u8 *data) 1350 { 1351 struct bnxt *bp = netdev_priv(dev); 1352 int rc; 1353 u8 *buf; 1354 dma_addr_t dma_handle; 1355 struct hwrm_nvm_read_input req = {0}; 1356 1357 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle, 1358 GFP_KERNEL); 1359 if (!buf) { 1360 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1361 (unsigned)length); 1362 return -ENOMEM; 1363 } 1364 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1); 1365 req.host_dest_addr = cpu_to_le64(dma_handle); 1366 req.dir_idx = cpu_to_le16(index); 1367 req.offset = cpu_to_le32(offset); 1368 req.len = cpu_to_le32(length); 1369 1370 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1371 if (rc == 0) 1372 memcpy(data, buf, length); 1373 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle); 1374 return rc; 1375 } 1376 1377 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1378 u16 ext, u16 *index, u32 *item_length, 1379 u32 *data_length) 1380 { 1381 struct bnxt *bp = netdev_priv(dev); 1382 int rc; 1383 struct hwrm_nvm_find_dir_entry_input req = {0}; 1384 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr; 1385 1386 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1); 1387 req.enables = 0; 1388 req.dir_idx = 0; 1389 req.dir_type = cpu_to_le16(type); 1390 req.dir_ordinal = cpu_to_le16(ordinal); 1391 req.dir_ext = cpu_to_le16(ext); 1392 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ; 1393 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1394 if (rc == 0) { 1395 if (index) 1396 *index = le16_to_cpu(output->dir_idx); 1397 if (item_length) 1398 *item_length = le32_to_cpu(output->dir_item_length); 1399 if (data_length) 1400 *data_length = le32_to_cpu(output->dir_data_length); 1401 } 1402 return rc; 1403 } 1404 1405 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen) 1406 { 1407 char *retval = NULL; 1408 char *p; 1409 char *value; 1410 int field = 0; 1411 1412 if (datalen < 1) 1413 return NULL; 1414 /* null-terminate the log data (removing last '\n'): */ 1415 data[datalen - 1] = 0; 1416 for (p = data; *p != 0; p++) { 1417 field = 0; 1418 retval = NULL; 1419 while (*p != 0 && *p != '\n') { 1420 value = p; 1421 while (*p != 0 && *p != '\t' && *p != '\n') 1422 p++; 1423 if (field == desired_field) 1424 retval = value; 1425 if (*p != '\t') 1426 break; 1427 *p = 0; 1428 field++; 1429 p++; 1430 } 1431 if (*p == 0) 1432 break; 1433 *p = 0; 1434 } 1435 return retval; 1436 } 1437 1438 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen) 1439 { 1440 u16 index = 0; 1441 u32 datalen; 1442 1443 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG, 1444 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1445 &index, NULL, &datalen) != 0) 1446 return NULL; 1447 1448 memset(buf, 0, buflen); 1449 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0) 1450 return NULL; 1451 1452 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf, 1453 datalen); 1454 } 1455 1456 static int bnxt_get_eeprom(struct net_device *dev, 1457 struct ethtool_eeprom *eeprom, 1458 u8 *data) 1459 { 1460 u32 index; 1461 u32 offset; 1462 1463 if (eeprom->offset == 0) /* special offset value to get directory */ 1464 return bnxt_get_nvram_directory(dev, eeprom->len, data); 1465 1466 index = eeprom->offset >> 24; 1467 offset = eeprom->offset & 0xffffff; 1468 1469 if (index == 0) { 1470 netdev_err(dev, "unsupported index value: %d\n", index); 1471 return -EINVAL; 1472 } 1473 1474 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data); 1475 } 1476 1477 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index) 1478 { 1479 struct bnxt *bp = netdev_priv(dev); 1480 struct hwrm_nvm_erase_dir_entry_input req = {0}; 1481 1482 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1); 1483 req.dir_idx = cpu_to_le16(index); 1484 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1485 } 1486 1487 static int bnxt_set_eeprom(struct net_device *dev, 1488 struct ethtool_eeprom *eeprom, 1489 u8 *data) 1490 { 1491 struct bnxt *bp = netdev_priv(dev); 1492 u8 index, dir_op; 1493 u16 type, ext, ordinal, attr; 1494 1495 if (!BNXT_PF(bp)) { 1496 netdev_err(dev, "NVM write not supported from a virtual function\n"); 1497 return -EINVAL; 1498 } 1499 1500 type = eeprom->magic >> 16; 1501 1502 if (type == 0xffff) { /* special value for directory operations */ 1503 index = eeprom->magic & 0xff; 1504 dir_op = eeprom->magic >> 8; 1505 if (index == 0) 1506 return -EINVAL; 1507 switch (dir_op) { 1508 case 0x0e: /* erase */ 1509 if (eeprom->offset != ~eeprom->magic) 1510 return -EINVAL; 1511 return bnxt_erase_nvram_directory(dev, index - 1); 1512 default: 1513 return -EINVAL; 1514 } 1515 } 1516 1517 /* Create or re-write an NVM item: */ 1518 if (bnxt_dir_type_is_executable(type) == true) 1519 return -EINVAL; 1520 ext = eeprom->magic & 0xffff; 1521 ordinal = eeprom->offset >> 16; 1522 attr = eeprom->offset & 0xffff; 1523 1524 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data, 1525 eeprom->len); 1526 } 1527 1528 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) 1529 { 1530 struct bnxt *bp = netdev_priv(dev); 1531 struct ethtool_eee *eee = &bp->eee; 1532 struct bnxt_link_info *link_info = &bp->link_info; 1533 u32 advertising = 1534 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); 1535 int rc = 0; 1536 1537 if (!BNXT_SINGLE_PF(bp)) 1538 return -EOPNOTSUPP; 1539 1540 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1541 return -EOPNOTSUPP; 1542 1543 if (!edata->eee_enabled) 1544 goto eee_ok; 1545 1546 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { 1547 netdev_warn(dev, "EEE requires autoneg\n"); 1548 return -EINVAL; 1549 } 1550 if (edata->tx_lpi_enabled) { 1551 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi || 1552 edata->tx_lpi_timer < bp->lpi_tmr_lo)) { 1553 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n", 1554 bp->lpi_tmr_lo, bp->lpi_tmr_hi); 1555 return -EINVAL; 1556 } else if (!bp->lpi_tmr_hi) { 1557 edata->tx_lpi_timer = eee->tx_lpi_timer; 1558 } 1559 } 1560 if (!edata->advertised) { 1561 edata->advertised = advertising & eee->supported; 1562 } else if (edata->advertised & ~advertising) { 1563 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n", 1564 edata->advertised, advertising); 1565 return -EINVAL; 1566 } 1567 1568 eee->advertised = edata->advertised; 1569 eee->tx_lpi_enabled = edata->tx_lpi_enabled; 1570 eee->tx_lpi_timer = edata->tx_lpi_timer; 1571 eee_ok: 1572 eee->eee_enabled = edata->eee_enabled; 1573 1574 if (netif_running(dev)) 1575 rc = bnxt_hwrm_set_link_setting(bp, false, true); 1576 1577 return rc; 1578 } 1579 1580 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata) 1581 { 1582 struct bnxt *bp = netdev_priv(dev); 1583 1584 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1585 return -EOPNOTSUPP; 1586 1587 *edata = bp->eee; 1588 if (!bp->eee.eee_enabled) { 1589 /* Preserve tx_lpi_timer so that the last value will be used 1590 * by default when it is re-enabled. 1591 */ 1592 edata->advertised = 0; 1593 edata->tx_lpi_enabled = 0; 1594 } 1595 1596 if (!bp->eee.eee_active) 1597 edata->lp_advertised = 0; 1598 1599 return 0; 1600 } 1601 1602 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr, 1603 u16 page_number, u16 start_addr, 1604 u16 data_length, u8 *buf) 1605 { 1606 struct hwrm_port_phy_i2c_read_input req = {0}; 1607 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 1608 int rc, byte_offset = 0; 1609 1610 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 1611 req.i2c_slave_addr = i2c_addr; 1612 req.page_number = cpu_to_le16(page_number); 1613 req.port_id = cpu_to_le16(bp->pf.port_id); 1614 do { 1615 u16 xfer_size; 1616 1617 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE); 1618 data_length -= xfer_size; 1619 req.page_offset = cpu_to_le16(start_addr + byte_offset); 1620 req.data_length = xfer_size; 1621 req.enables = cpu_to_le32(start_addr + byte_offset ? 1622 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0); 1623 mutex_lock(&bp->hwrm_cmd_lock); 1624 rc = _hwrm_send_message(bp, &req, sizeof(req), 1625 HWRM_CMD_TIMEOUT); 1626 if (!rc) 1627 memcpy(buf + byte_offset, output->data, xfer_size); 1628 mutex_unlock(&bp->hwrm_cmd_lock); 1629 byte_offset += xfer_size; 1630 } while (!rc && data_length > 0); 1631 1632 return rc; 1633 } 1634 1635 static int bnxt_get_module_info(struct net_device *dev, 1636 struct ethtool_modinfo *modinfo) 1637 { 1638 struct bnxt *bp = netdev_priv(dev); 1639 struct hwrm_port_phy_i2c_read_input req = {0}; 1640 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 1641 int rc; 1642 1643 /* No point in going further if phy status indicates 1644 * module is not inserted or if it is powered down or 1645 * if it is of type 10GBase-T 1646 */ 1647 if (bp->link_info.module_status > 1648 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG) 1649 return -EOPNOTSUPP; 1650 1651 /* This feature is not supported in older firmware versions */ 1652 if (bp->hwrm_spec_code < 0x10202) 1653 return -EOPNOTSUPP; 1654 1655 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 1656 req.i2c_slave_addr = I2C_DEV_ADDR_A0; 1657 req.page_number = 0; 1658 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR); 1659 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE; 1660 req.port_id = cpu_to_le16(bp->pf.port_id); 1661 mutex_lock(&bp->hwrm_cmd_lock); 1662 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1663 if (!rc) { 1664 u32 module_id = le32_to_cpu(output->data[0]); 1665 1666 switch (module_id) { 1667 case SFF_MODULE_ID_SFP: 1668 modinfo->type = ETH_MODULE_SFF_8472; 1669 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1670 break; 1671 case SFF_MODULE_ID_QSFP: 1672 case SFF_MODULE_ID_QSFP_PLUS: 1673 modinfo->type = ETH_MODULE_SFF_8436; 1674 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 1675 break; 1676 case SFF_MODULE_ID_QSFP28: 1677 modinfo->type = ETH_MODULE_SFF_8636; 1678 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 1679 break; 1680 default: 1681 rc = -EOPNOTSUPP; 1682 break; 1683 } 1684 } 1685 mutex_unlock(&bp->hwrm_cmd_lock); 1686 return rc; 1687 } 1688 1689 static int bnxt_get_module_eeprom(struct net_device *dev, 1690 struct ethtool_eeprom *eeprom, 1691 u8 *data) 1692 { 1693 struct bnxt *bp = netdev_priv(dev); 1694 u16 start = eeprom->offset, length = eeprom->len; 1695 int rc = 0; 1696 1697 memset(data, 0, eeprom->len); 1698 1699 /* Read A0 portion of the EEPROM */ 1700 if (start < ETH_MODULE_SFF_8436_LEN) { 1701 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN) 1702 length = ETH_MODULE_SFF_8436_LEN - start; 1703 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 1704 start, length, data); 1705 if (rc) 1706 return rc; 1707 start += length; 1708 data += length; 1709 length = eeprom->len - length; 1710 } 1711 1712 /* Read A2 portion of the EEPROM */ 1713 if (length) { 1714 start -= ETH_MODULE_SFF_8436_LEN; 1715 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start, 1716 length, data); 1717 } 1718 return rc; 1719 } 1720 1721 const struct ethtool_ops bnxt_ethtool_ops = { 1722 .get_link_ksettings = bnxt_get_link_ksettings, 1723 .set_link_ksettings = bnxt_set_link_ksettings, 1724 .get_pauseparam = bnxt_get_pauseparam, 1725 .set_pauseparam = bnxt_set_pauseparam, 1726 .get_drvinfo = bnxt_get_drvinfo, 1727 .get_coalesce = bnxt_get_coalesce, 1728 .set_coalesce = bnxt_set_coalesce, 1729 .get_msglevel = bnxt_get_msglevel, 1730 .set_msglevel = bnxt_set_msglevel, 1731 .get_sset_count = bnxt_get_sset_count, 1732 .get_strings = bnxt_get_strings, 1733 .get_ethtool_stats = bnxt_get_ethtool_stats, 1734 .set_ringparam = bnxt_set_ringparam, 1735 .get_ringparam = bnxt_get_ringparam, 1736 .get_channels = bnxt_get_channels, 1737 .set_channels = bnxt_set_channels, 1738 #ifdef CONFIG_RFS_ACCEL 1739 .get_rxnfc = bnxt_get_rxnfc, 1740 #endif 1741 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size, 1742 .get_rxfh_key_size = bnxt_get_rxfh_key_size, 1743 .get_rxfh = bnxt_get_rxfh, 1744 .flash_device = bnxt_flash_device, 1745 .get_eeprom_len = bnxt_get_eeprom_len, 1746 .get_eeprom = bnxt_get_eeprom, 1747 .set_eeprom = bnxt_set_eeprom, 1748 .get_link = bnxt_get_link, 1749 .get_eee = bnxt_get_eee, 1750 .set_eee = bnxt_set_eee, 1751 .get_module_info = bnxt_get_module_info, 1752 .get_module_eeprom = bnxt_get_module_eeprom, 1753 }; 1754