1 /* Broadcom NetXtreme-C/E network driver. 2 * 3 * Copyright (c) 2014-2015 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 return 0; 60 } 61 62 static int bnxt_set_coalesce(struct net_device *dev, 63 struct ethtool_coalesce *coal) 64 { 65 struct bnxt *bp = netdev_priv(dev); 66 int rc = 0; 67 68 bp->rx_coal_ticks = coal->rx_coalesce_usecs; 69 /* 2 completion records per rx packet */ 70 bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2; 71 bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq; 72 bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2; 73 74 bp->tx_coal_ticks = coal->tx_coalesce_usecs; 75 bp->tx_coal_bufs = coal->tx_max_coalesced_frames; 76 bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq; 77 bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq; 78 79 if (netif_running(dev)) 80 rc = bnxt_hwrm_set_coal(bp); 81 82 return rc; 83 } 84 85 #define BNXT_NUM_STATS 21 86 87 #define BNXT_RX_STATS_OFFSET(counter) \ 88 (offsetof(struct rx_port_stats, counter) / 8) 89 90 #define BNXT_RX_STATS_ENTRY(counter) \ 91 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) } 92 93 #define BNXT_TX_STATS_OFFSET(counter) \ 94 ((offsetof(struct tx_port_stats, counter) + \ 95 sizeof(struct rx_port_stats) + 512) / 8) 96 97 #define BNXT_TX_STATS_ENTRY(counter) \ 98 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) } 99 100 static const struct { 101 long offset; 102 char string[ETH_GSTRING_LEN]; 103 } bnxt_port_stats_arr[] = { 104 BNXT_RX_STATS_ENTRY(rx_64b_frames), 105 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames), 106 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames), 107 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames), 108 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames), 109 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames), 110 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames), 111 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames), 112 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames), 113 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames), 114 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames), 115 BNXT_RX_STATS_ENTRY(rx_total_frames), 116 BNXT_RX_STATS_ENTRY(rx_ucast_frames), 117 BNXT_RX_STATS_ENTRY(rx_mcast_frames), 118 BNXT_RX_STATS_ENTRY(rx_bcast_frames), 119 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames), 120 BNXT_RX_STATS_ENTRY(rx_ctrl_frames), 121 BNXT_RX_STATS_ENTRY(rx_pause_frames), 122 BNXT_RX_STATS_ENTRY(rx_pfc_frames), 123 BNXT_RX_STATS_ENTRY(rx_align_err_frames), 124 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames), 125 BNXT_RX_STATS_ENTRY(rx_jbr_frames), 126 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames), 127 BNXT_RX_STATS_ENTRY(rx_tagged_frames), 128 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames), 129 BNXT_RX_STATS_ENTRY(rx_good_frames), 130 BNXT_RX_STATS_ENTRY(rx_undrsz_frames), 131 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events), 132 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration), 133 BNXT_RX_STATS_ENTRY(rx_bytes), 134 BNXT_RX_STATS_ENTRY(rx_runt_bytes), 135 BNXT_RX_STATS_ENTRY(rx_runt_frames), 136 137 BNXT_TX_STATS_ENTRY(tx_64b_frames), 138 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames), 139 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames), 140 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames), 141 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames), 142 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames), 143 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames), 144 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames), 145 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames), 146 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames), 147 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames), 148 BNXT_TX_STATS_ENTRY(tx_good_frames), 149 BNXT_TX_STATS_ENTRY(tx_total_frames), 150 BNXT_TX_STATS_ENTRY(tx_ucast_frames), 151 BNXT_TX_STATS_ENTRY(tx_mcast_frames), 152 BNXT_TX_STATS_ENTRY(tx_bcast_frames), 153 BNXT_TX_STATS_ENTRY(tx_pause_frames), 154 BNXT_TX_STATS_ENTRY(tx_pfc_frames), 155 BNXT_TX_STATS_ENTRY(tx_jabber_frames), 156 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames), 157 BNXT_TX_STATS_ENTRY(tx_err), 158 BNXT_TX_STATS_ENTRY(tx_fifo_underruns), 159 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events), 160 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration), 161 BNXT_TX_STATS_ENTRY(tx_total_collisions), 162 BNXT_TX_STATS_ENTRY(tx_bytes), 163 }; 164 165 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr) 166 167 static int bnxt_get_sset_count(struct net_device *dev, int sset) 168 { 169 struct bnxt *bp = netdev_priv(dev); 170 171 switch (sset) { 172 case ETH_SS_STATS: { 173 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings; 174 175 if (bp->flags & BNXT_FLAG_PORT_STATS) 176 num_stats += BNXT_NUM_PORT_STATS; 177 178 return num_stats; 179 } 180 default: 181 return -EOPNOTSUPP; 182 } 183 } 184 185 static void bnxt_get_ethtool_stats(struct net_device *dev, 186 struct ethtool_stats *stats, u64 *buf) 187 { 188 u32 i, j = 0; 189 struct bnxt *bp = netdev_priv(dev); 190 u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings; 191 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8; 192 193 memset(buf, 0, buf_size); 194 195 if (!bp->bnapi) 196 return; 197 198 for (i = 0; i < bp->cp_nr_rings; i++) { 199 struct bnxt_napi *bnapi = bp->bnapi[i]; 200 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; 201 __le64 *hw_stats = (__le64 *)cpr->hw_stats; 202 int k; 203 204 for (k = 0; k < stat_fields; j++, k++) 205 buf[j] = le64_to_cpu(hw_stats[k]); 206 buf[j++] = cpr->rx_l4_csum_errors; 207 } 208 if (bp->flags & BNXT_FLAG_PORT_STATS) { 209 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats; 210 211 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) { 212 buf[j] = le64_to_cpu(*(port_stats + 213 bnxt_port_stats_arr[i].offset)); 214 } 215 } 216 } 217 218 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 219 { 220 struct bnxt *bp = netdev_priv(dev); 221 u32 i; 222 223 switch (stringset) { 224 /* The number of strings must match BNXT_NUM_STATS defined above. */ 225 case ETH_SS_STATS: 226 for (i = 0; i < bp->cp_nr_rings; i++) { 227 sprintf(buf, "[%d]: rx_ucast_packets", i); 228 buf += ETH_GSTRING_LEN; 229 sprintf(buf, "[%d]: rx_mcast_packets", i); 230 buf += ETH_GSTRING_LEN; 231 sprintf(buf, "[%d]: rx_bcast_packets", i); 232 buf += ETH_GSTRING_LEN; 233 sprintf(buf, "[%d]: rx_discards", i); 234 buf += ETH_GSTRING_LEN; 235 sprintf(buf, "[%d]: rx_drops", i); 236 buf += ETH_GSTRING_LEN; 237 sprintf(buf, "[%d]: rx_ucast_bytes", i); 238 buf += ETH_GSTRING_LEN; 239 sprintf(buf, "[%d]: rx_mcast_bytes", i); 240 buf += ETH_GSTRING_LEN; 241 sprintf(buf, "[%d]: rx_bcast_bytes", i); 242 buf += ETH_GSTRING_LEN; 243 sprintf(buf, "[%d]: tx_ucast_packets", i); 244 buf += ETH_GSTRING_LEN; 245 sprintf(buf, "[%d]: tx_mcast_packets", i); 246 buf += ETH_GSTRING_LEN; 247 sprintf(buf, "[%d]: tx_bcast_packets", i); 248 buf += ETH_GSTRING_LEN; 249 sprintf(buf, "[%d]: tx_discards", i); 250 buf += ETH_GSTRING_LEN; 251 sprintf(buf, "[%d]: tx_drops", i); 252 buf += ETH_GSTRING_LEN; 253 sprintf(buf, "[%d]: tx_ucast_bytes", i); 254 buf += ETH_GSTRING_LEN; 255 sprintf(buf, "[%d]: tx_mcast_bytes", i); 256 buf += ETH_GSTRING_LEN; 257 sprintf(buf, "[%d]: tx_bcast_bytes", i); 258 buf += ETH_GSTRING_LEN; 259 sprintf(buf, "[%d]: tpa_packets", i); 260 buf += ETH_GSTRING_LEN; 261 sprintf(buf, "[%d]: tpa_bytes", i); 262 buf += ETH_GSTRING_LEN; 263 sprintf(buf, "[%d]: tpa_events", i); 264 buf += ETH_GSTRING_LEN; 265 sprintf(buf, "[%d]: tpa_aborts", i); 266 buf += ETH_GSTRING_LEN; 267 sprintf(buf, "[%d]: rx_l4_csum_errors", i); 268 buf += ETH_GSTRING_LEN; 269 } 270 if (bp->flags & BNXT_FLAG_PORT_STATS) { 271 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) { 272 strcpy(buf, bnxt_port_stats_arr[i].string); 273 buf += ETH_GSTRING_LEN; 274 } 275 } 276 break; 277 default: 278 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n", 279 stringset); 280 break; 281 } 282 } 283 284 static void bnxt_get_ringparam(struct net_device *dev, 285 struct ethtool_ringparam *ering) 286 { 287 struct bnxt *bp = netdev_priv(dev); 288 289 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT; 290 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT; 291 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT; 292 293 ering->rx_pending = bp->rx_ring_size; 294 ering->rx_jumbo_pending = bp->rx_agg_ring_size; 295 ering->tx_pending = bp->tx_ring_size; 296 } 297 298 static int bnxt_set_ringparam(struct net_device *dev, 299 struct ethtool_ringparam *ering) 300 { 301 struct bnxt *bp = netdev_priv(dev); 302 303 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) || 304 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) || 305 (ering->tx_pending <= MAX_SKB_FRAGS)) 306 return -EINVAL; 307 308 if (netif_running(dev)) 309 bnxt_close_nic(bp, false, false); 310 311 bp->rx_ring_size = ering->rx_pending; 312 bp->tx_ring_size = ering->tx_pending; 313 bnxt_set_ring_params(bp); 314 315 if (netif_running(dev)) 316 return bnxt_open_nic(bp, false, false); 317 318 return 0; 319 } 320 321 static void bnxt_get_channels(struct net_device *dev, 322 struct ethtool_channels *channel) 323 { 324 struct bnxt *bp = netdev_priv(dev); 325 int max_rx_rings, max_tx_rings, tcs; 326 327 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true); 328 channel->max_combined = max_rx_rings; 329 330 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false); 331 tcs = netdev_get_num_tc(dev); 332 if (tcs > 1) 333 max_tx_rings /= tcs; 334 335 channel->max_rx = max_rx_rings; 336 channel->max_tx = max_tx_rings; 337 channel->max_other = 0; 338 if (bp->flags & BNXT_FLAG_SHARED_RINGS) { 339 channel->combined_count = bp->rx_nr_rings; 340 } else { 341 channel->rx_count = bp->rx_nr_rings; 342 channel->tx_count = bp->tx_nr_rings_per_tc; 343 } 344 } 345 346 static int bnxt_set_channels(struct net_device *dev, 347 struct ethtool_channels *channel) 348 { 349 struct bnxt *bp = netdev_priv(dev); 350 int max_rx_rings, max_tx_rings, tcs; 351 u32 rc = 0; 352 bool sh = false; 353 354 if (channel->other_count) 355 return -EINVAL; 356 357 if (!channel->combined_count && 358 (!channel->rx_count || !channel->tx_count)) 359 return -EINVAL; 360 361 if (channel->combined_count && 362 (channel->rx_count || channel->tx_count)) 363 return -EINVAL; 364 365 if (channel->combined_count) 366 sh = true; 367 368 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh); 369 370 tcs = netdev_get_num_tc(dev); 371 if (tcs > 1) 372 max_tx_rings /= tcs; 373 374 if (sh && (channel->combined_count > max_rx_rings || 375 channel->combined_count > max_tx_rings)) 376 return -ENOMEM; 377 378 if (!sh && (channel->rx_count > max_rx_rings || 379 channel->tx_count > max_tx_rings)) 380 return -ENOMEM; 381 382 if (netif_running(dev)) { 383 if (BNXT_PF(bp)) { 384 /* TODO CHIMP_FW: Send message to all VF's 385 * before PF unload 386 */ 387 } 388 rc = bnxt_close_nic(bp, true, false); 389 if (rc) { 390 netdev_err(bp->dev, "Set channel failure rc :%x\n", 391 rc); 392 return rc; 393 } 394 } 395 396 if (sh) { 397 bp->flags |= BNXT_FLAG_SHARED_RINGS; 398 bp->rx_nr_rings = channel->combined_count; 399 bp->tx_nr_rings_per_tc = channel->combined_count; 400 } else { 401 bp->flags &= ~BNXT_FLAG_SHARED_RINGS; 402 bp->rx_nr_rings = channel->rx_count; 403 bp->tx_nr_rings_per_tc = channel->tx_count; 404 } 405 406 bp->tx_nr_rings = bp->tx_nr_rings_per_tc; 407 if (tcs > 1) 408 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs; 409 410 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : 411 bp->tx_nr_rings + bp->rx_nr_rings; 412 413 bp->num_stat_ctxs = bp->cp_nr_rings; 414 415 /* After changing number of rx channels, update NTUPLE feature. */ 416 netdev_update_features(dev); 417 if (netif_running(dev)) { 418 rc = bnxt_open_nic(bp, true, false); 419 if ((!rc) && BNXT_PF(bp)) { 420 /* TODO CHIMP_FW: Send message to all VF's 421 * to renable 422 */ 423 } 424 } 425 426 return rc; 427 } 428 429 #ifdef CONFIG_RFS_ACCEL 430 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd, 431 u32 *rule_locs) 432 { 433 int i, j = 0; 434 435 cmd->data = bp->ntp_fltr_count; 436 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 437 struct hlist_head *head; 438 struct bnxt_ntuple_filter *fltr; 439 440 head = &bp->ntp_fltr_hash_tbl[i]; 441 rcu_read_lock(); 442 hlist_for_each_entry_rcu(fltr, head, hash) { 443 if (j == cmd->rule_cnt) 444 break; 445 rule_locs[j++] = fltr->sw_id; 446 } 447 rcu_read_unlock(); 448 if (j == cmd->rule_cnt) 449 break; 450 } 451 cmd->rule_cnt = j; 452 return 0; 453 } 454 455 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd) 456 { 457 struct ethtool_rx_flow_spec *fs = 458 (struct ethtool_rx_flow_spec *)&cmd->fs; 459 struct bnxt_ntuple_filter *fltr; 460 struct flow_keys *fkeys; 461 int i, rc = -EINVAL; 462 463 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR) 464 return rc; 465 466 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 467 struct hlist_head *head; 468 469 head = &bp->ntp_fltr_hash_tbl[i]; 470 rcu_read_lock(); 471 hlist_for_each_entry_rcu(fltr, head, hash) { 472 if (fltr->sw_id == fs->location) 473 goto fltr_found; 474 } 475 rcu_read_unlock(); 476 } 477 return rc; 478 479 fltr_found: 480 fkeys = &fltr->fkeys; 481 if (fkeys->basic.ip_proto == IPPROTO_TCP) 482 fs->flow_type = TCP_V4_FLOW; 483 else if (fkeys->basic.ip_proto == IPPROTO_UDP) 484 fs->flow_type = UDP_V4_FLOW; 485 else 486 goto fltr_err; 487 488 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src; 489 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0); 490 491 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst; 492 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0); 493 494 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src; 495 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0); 496 497 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst; 498 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0); 499 500 fs->ring_cookie = fltr->rxq; 501 rc = 0; 502 503 fltr_err: 504 rcu_read_unlock(); 505 506 return rc; 507 } 508 509 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 510 u32 *rule_locs) 511 { 512 struct bnxt *bp = netdev_priv(dev); 513 int rc = 0; 514 515 switch (cmd->cmd) { 516 case ETHTOOL_GRXRINGS: 517 cmd->data = bp->rx_nr_rings; 518 break; 519 520 case ETHTOOL_GRXCLSRLCNT: 521 cmd->rule_cnt = bp->ntp_fltr_count; 522 cmd->data = BNXT_NTP_FLTR_MAX_FLTR; 523 break; 524 525 case ETHTOOL_GRXCLSRLALL: 526 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs); 527 break; 528 529 case ETHTOOL_GRXCLSRULE: 530 rc = bnxt_grxclsrule(bp, cmd); 531 break; 532 533 default: 534 rc = -EOPNOTSUPP; 535 break; 536 } 537 538 return rc; 539 } 540 #endif 541 542 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev) 543 { 544 return HW_HASH_INDEX_SIZE; 545 } 546 547 static u32 bnxt_get_rxfh_key_size(struct net_device *dev) 548 { 549 return HW_HASH_KEY_SIZE; 550 } 551 552 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, 553 u8 *hfunc) 554 { 555 struct bnxt *bp = netdev_priv(dev); 556 struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; 557 int i = 0; 558 559 if (hfunc) 560 *hfunc = ETH_RSS_HASH_TOP; 561 562 if (indir) 563 for (i = 0; i < HW_HASH_INDEX_SIZE; i++) 564 indir[i] = le16_to_cpu(vnic->rss_table[i]); 565 566 if (key) 567 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE); 568 569 return 0; 570 } 571 572 static void bnxt_get_drvinfo(struct net_device *dev, 573 struct ethtool_drvinfo *info) 574 { 575 struct bnxt *bp = netdev_priv(dev); 576 char *pkglog; 577 char *pkgver = NULL; 578 579 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL); 580 if (pkglog) 581 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH); 582 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 583 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 584 if (pkgver && *pkgver != 0 && isdigit(*pkgver)) 585 snprintf(info->fw_version, sizeof(info->fw_version) - 1, 586 "%s pkg %s", bp->fw_ver_str, pkgver); 587 else 588 strlcpy(info->fw_version, bp->fw_ver_str, 589 sizeof(info->fw_version)); 590 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); 591 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings; 592 info->testinfo_len = BNXT_NUM_TESTS(bp); 593 /* TODO CHIMP_FW: eeprom dump details */ 594 info->eedump_len = 0; 595 /* TODO CHIMP FW: reg dump details */ 596 info->regdump_len = 0; 597 kfree(pkglog); 598 } 599 600 static u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause) 601 { 602 u32 speed_mask = 0; 603 604 /* TODO: support 25GB, 40GB, 50GB with different cable type */ 605 /* set the advertised speeds */ 606 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB) 607 speed_mask |= ADVERTISED_100baseT_Full; 608 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB) 609 speed_mask |= ADVERTISED_1000baseT_Full; 610 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB) 611 speed_mask |= ADVERTISED_2500baseX_Full; 612 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB) 613 speed_mask |= ADVERTISED_10000baseT_Full; 614 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB) 615 speed_mask |= ADVERTISED_40000baseCR4_Full; 616 617 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH) 618 speed_mask |= ADVERTISED_Pause; 619 else if (fw_pause & BNXT_LINK_PAUSE_TX) 620 speed_mask |= ADVERTISED_Asym_Pause; 621 else if (fw_pause & BNXT_LINK_PAUSE_RX) 622 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; 623 624 return speed_mask; 625 } 626 627 static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info) 628 { 629 u16 fw_speeds = link_info->auto_link_speeds; 630 u8 fw_pause = 0; 631 632 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 633 fw_pause = link_info->auto_pause_setting; 634 635 return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause); 636 } 637 638 static u32 bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info) 639 { 640 u16 fw_speeds = link_info->lp_auto_link_speeds; 641 u8 fw_pause = 0; 642 643 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 644 fw_pause = link_info->lp_pause; 645 646 return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause); 647 } 648 649 static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info) 650 { 651 u16 fw_speeds = link_info->support_speeds; 652 u32 supported; 653 654 supported = _bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0); 655 return supported | SUPPORTED_Pause | SUPPORTED_Asym_Pause; 656 } 657 658 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) 659 { 660 switch (fw_link_speed) { 661 case BNXT_LINK_SPEED_100MB: 662 return SPEED_100; 663 case BNXT_LINK_SPEED_1GB: 664 return SPEED_1000; 665 case BNXT_LINK_SPEED_2_5GB: 666 return SPEED_2500; 667 case BNXT_LINK_SPEED_10GB: 668 return SPEED_10000; 669 case BNXT_LINK_SPEED_20GB: 670 return SPEED_20000; 671 case BNXT_LINK_SPEED_25GB: 672 return SPEED_25000; 673 case BNXT_LINK_SPEED_40GB: 674 return SPEED_40000; 675 case BNXT_LINK_SPEED_50GB: 676 return SPEED_50000; 677 default: 678 return SPEED_UNKNOWN; 679 } 680 } 681 682 static int bnxt_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) 683 { 684 struct bnxt *bp = netdev_priv(dev); 685 struct bnxt_link_info *link_info = &bp->link_info; 686 u16 ethtool_speed; 687 688 cmd->supported = bnxt_fw_to_ethtool_support_spds(link_info); 689 690 if (link_info->auto_link_speeds) 691 cmd->supported |= SUPPORTED_Autoneg; 692 693 if (link_info->autoneg) { 694 cmd->advertising = 695 bnxt_fw_to_ethtool_advertised_spds(link_info); 696 cmd->advertising |= ADVERTISED_Autoneg; 697 cmd->autoneg = AUTONEG_ENABLE; 698 if (link_info->phy_link_status == BNXT_LINK_LINK) 699 cmd->lp_advertising = 700 bnxt_fw_to_ethtool_lp_adv(link_info); 701 } else { 702 cmd->autoneg = AUTONEG_DISABLE; 703 cmd->advertising = 0; 704 } 705 706 cmd->port = PORT_NONE; 707 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 708 cmd->port = PORT_TP; 709 cmd->supported |= SUPPORTED_TP; 710 cmd->advertising |= ADVERTISED_TP; 711 } else { 712 cmd->supported |= SUPPORTED_FIBRE; 713 cmd->advertising |= ADVERTISED_FIBRE; 714 715 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC) 716 cmd->port = PORT_DA; 717 else if (link_info->media_type == 718 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE) 719 cmd->port = PORT_FIBRE; 720 } 721 722 if (link_info->phy_link_status == BNXT_LINK_LINK) { 723 if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) 724 cmd->duplex = DUPLEX_FULL; 725 } else { 726 cmd->duplex = DUPLEX_UNKNOWN; 727 } 728 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); 729 ethtool_cmd_speed_set(cmd, ethtool_speed); 730 if (link_info->transceiver == 731 PORT_PHY_QCFG_RESP_TRANSCEIVER_TYPE_XCVR_INTERNAL) 732 cmd->transceiver = XCVR_INTERNAL; 733 else 734 cmd->transceiver = XCVR_EXTERNAL; 735 cmd->phy_address = link_info->phy_addr; 736 737 return 0; 738 } 739 740 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed) 741 { 742 switch (ethtool_speed) { 743 case SPEED_100: 744 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB; 745 case SPEED_1000: 746 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB; 747 case SPEED_2500: 748 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB; 749 case SPEED_10000: 750 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB; 751 case SPEED_20000: 752 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB; 753 case SPEED_25000: 754 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB; 755 case SPEED_40000: 756 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB; 757 case SPEED_50000: 758 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB; 759 default: 760 netdev_err(dev, "unsupported speed!\n"); 761 break; 762 } 763 return 0; 764 } 765 766 static u16 bnxt_get_fw_auto_link_speeds(u32 advertising) 767 { 768 u16 fw_speed_mask = 0; 769 770 /* only support autoneg at speed 100, 1000, and 10000 */ 771 if (advertising & (ADVERTISED_100baseT_Full | 772 ADVERTISED_100baseT_Half)) { 773 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB; 774 } 775 if (advertising & (ADVERTISED_1000baseT_Full | 776 ADVERTISED_1000baseT_Half)) { 777 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB; 778 } 779 if (advertising & ADVERTISED_10000baseT_Full) 780 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB; 781 782 if (advertising & ADVERTISED_40000baseCR4_Full) 783 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB; 784 785 return fw_speed_mask; 786 } 787 788 static int bnxt_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) 789 { 790 int rc = 0; 791 struct bnxt *bp = netdev_priv(dev); 792 struct bnxt_link_info *link_info = &bp->link_info; 793 u32 speed, fw_advertising = 0; 794 bool set_pause = false; 795 796 if (BNXT_VF(bp)) 797 return rc; 798 799 if (cmd->autoneg == AUTONEG_ENABLE) { 800 u32 supported_spds = bnxt_fw_to_ethtool_support_spds(link_info); 801 802 if (cmd->advertising & ~(supported_spds | ADVERTISED_Autoneg | 803 ADVERTISED_TP | ADVERTISED_FIBRE)) { 804 netdev_err(dev, "Unsupported advertising mask (adv: 0x%x)\n", 805 cmd->advertising); 806 rc = -EINVAL; 807 goto set_setting_exit; 808 } 809 fw_advertising = bnxt_get_fw_auto_link_speeds(cmd->advertising); 810 if (fw_advertising & ~link_info->support_speeds) { 811 netdev_err(dev, "Advertising parameters are not supported! (adv: 0x%x)\n", 812 cmd->advertising); 813 rc = -EINVAL; 814 goto set_setting_exit; 815 } 816 link_info->autoneg |= BNXT_AUTONEG_SPEED; 817 if (!fw_advertising) 818 link_info->advertising = link_info->support_speeds; 819 else 820 link_info->advertising = fw_advertising; 821 /* any change to autoneg will cause link change, therefore the 822 * driver should put back the original pause setting in autoneg 823 */ 824 set_pause = true; 825 } else { 826 /* TODO: currently don't support half duplex */ 827 if (cmd->duplex == DUPLEX_HALF) { 828 netdev_err(dev, "HALF DUPLEX is not supported!\n"); 829 rc = -EINVAL; 830 goto set_setting_exit; 831 } 832 /* If received a request for an unknown duplex, assume full*/ 833 if (cmd->duplex == DUPLEX_UNKNOWN) 834 cmd->duplex = DUPLEX_FULL; 835 speed = ethtool_cmd_speed(cmd); 836 link_info->req_link_speed = bnxt_get_fw_speed(dev, speed); 837 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL; 838 link_info->autoneg = 0; 839 link_info->advertising = 0; 840 } 841 842 if (netif_running(dev)) 843 rc = bnxt_hwrm_set_link_setting(bp, set_pause); 844 845 set_setting_exit: 846 return rc; 847 } 848 849 static void bnxt_get_pauseparam(struct net_device *dev, 850 struct ethtool_pauseparam *epause) 851 { 852 struct bnxt *bp = netdev_priv(dev); 853 struct bnxt_link_info *link_info = &bp->link_info; 854 855 if (BNXT_VF(bp)) 856 return; 857 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL); 858 epause->rx_pause = 859 ((link_info->auto_pause_setting & BNXT_LINK_PAUSE_RX) != 0); 860 epause->tx_pause = 861 ((link_info->auto_pause_setting & BNXT_LINK_PAUSE_TX) != 0); 862 } 863 864 static int bnxt_set_pauseparam(struct net_device *dev, 865 struct ethtool_pauseparam *epause) 866 { 867 int rc = 0; 868 struct bnxt *bp = netdev_priv(dev); 869 struct bnxt_link_info *link_info = &bp->link_info; 870 871 if (BNXT_VF(bp)) 872 return rc; 873 874 if (epause->autoneg) { 875 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 876 return -EINVAL; 877 878 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; 879 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_BOTH; 880 } else { 881 /* when transition from auto pause to force pause, 882 * force a link change 883 */ 884 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 885 link_info->force_link_chng = true; 886 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL; 887 link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_BOTH; 888 } 889 if (epause->rx_pause) 890 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX; 891 else 892 link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_RX; 893 894 if (epause->tx_pause) 895 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX; 896 else 897 link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_TX; 898 899 if (netif_running(dev)) 900 rc = bnxt_hwrm_set_pause(bp); 901 return rc; 902 } 903 904 static u32 bnxt_get_link(struct net_device *dev) 905 { 906 struct bnxt *bp = netdev_priv(dev); 907 908 /* TODO: handle MF, VF, driver close case */ 909 return bp->link_info.link_up; 910 } 911 912 static int bnxt_flash_nvram(struct net_device *dev, 913 u16 dir_type, 914 u16 dir_ordinal, 915 u16 dir_ext, 916 u16 dir_attr, 917 const u8 *data, 918 size_t data_len) 919 { 920 struct bnxt *bp = netdev_priv(dev); 921 int rc; 922 struct hwrm_nvm_write_input req = {0}; 923 dma_addr_t dma_handle; 924 u8 *kmem; 925 926 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1); 927 928 req.dir_type = cpu_to_le16(dir_type); 929 req.dir_ordinal = cpu_to_le16(dir_ordinal); 930 req.dir_ext = cpu_to_le16(dir_ext); 931 req.dir_attr = cpu_to_le16(dir_attr); 932 req.dir_data_length = cpu_to_le32(data_len); 933 934 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle, 935 GFP_KERNEL); 936 if (!kmem) { 937 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 938 (unsigned)data_len); 939 return -ENOMEM; 940 } 941 memcpy(kmem, data, data_len); 942 req.host_src_addr = cpu_to_le64(dma_handle); 943 944 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT); 945 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle); 946 947 return rc; 948 } 949 950 static int bnxt_firmware_reset(struct net_device *dev, 951 u16 dir_type) 952 { 953 struct bnxt *bp = netdev_priv(dev); 954 struct hwrm_fw_reset_input req = {0}; 955 956 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); 957 958 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */ 959 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */ 960 /* (e.g. when firmware isn't already running) */ 961 switch (dir_type) { 962 case BNX_DIR_TYPE_CHIMP_PATCH: 963 case BNX_DIR_TYPE_BOOTCODE: 964 case BNX_DIR_TYPE_BOOTCODE_2: 965 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT; 966 /* Self-reset ChiMP upon next PCIe reset: */ 967 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 968 break; 969 case BNX_DIR_TYPE_APE_FW: 970 case BNX_DIR_TYPE_APE_PATCH: 971 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT; 972 break; 973 case BNX_DIR_TYPE_KONG_FW: 974 case BNX_DIR_TYPE_KONG_PATCH: 975 req.embedded_proc_type = 976 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL; 977 break; 978 case BNX_DIR_TYPE_BONO_FW: 979 case BNX_DIR_TYPE_BONO_PATCH: 980 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE; 981 break; 982 default: 983 return -EINVAL; 984 } 985 986 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 987 } 988 989 static int bnxt_flash_firmware(struct net_device *dev, 990 u16 dir_type, 991 const u8 *fw_data, 992 size_t fw_size) 993 { 994 int rc = 0; 995 u16 code_type; 996 u32 stored_crc; 997 u32 calculated_crc; 998 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data; 999 1000 switch (dir_type) { 1001 case BNX_DIR_TYPE_BOOTCODE: 1002 case BNX_DIR_TYPE_BOOTCODE_2: 1003 code_type = CODE_BOOT; 1004 break; 1005 case BNX_DIR_TYPE_APE_FW: 1006 code_type = CODE_MCTP_PASSTHRU; 1007 break; 1008 default: 1009 netdev_err(dev, "Unsupported directory entry type: %u\n", 1010 dir_type); 1011 return -EINVAL; 1012 } 1013 if (fw_size < sizeof(struct bnxt_fw_header)) { 1014 netdev_err(dev, "Invalid firmware file size: %u\n", 1015 (unsigned int)fw_size); 1016 return -EINVAL; 1017 } 1018 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) { 1019 netdev_err(dev, "Invalid firmware signature: %08X\n", 1020 le32_to_cpu(header->signature)); 1021 return -EINVAL; 1022 } 1023 if (header->code_type != code_type) { 1024 netdev_err(dev, "Expected firmware type: %d, read: %d\n", 1025 code_type, header->code_type); 1026 return -EINVAL; 1027 } 1028 if (header->device != DEVICE_CUMULUS_FAMILY) { 1029 netdev_err(dev, "Expected firmware device family %d, read: %d\n", 1030 DEVICE_CUMULUS_FAMILY, header->device); 1031 return -EINVAL; 1032 } 1033 /* Confirm the CRC32 checksum of the file: */ 1034 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1035 sizeof(stored_crc))); 1036 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1037 if (calculated_crc != stored_crc) { 1038 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n", 1039 (unsigned long)stored_crc, 1040 (unsigned long)calculated_crc); 1041 return -EINVAL; 1042 } 1043 /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */ 1044 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1045 0, 0, fw_data, fw_size); 1046 if (rc == 0) /* Firmware update successful */ 1047 rc = bnxt_firmware_reset(dev, dir_type); 1048 1049 return rc; 1050 } 1051 1052 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type) 1053 { 1054 switch (dir_type) { 1055 case BNX_DIR_TYPE_CHIMP_PATCH: 1056 case BNX_DIR_TYPE_BOOTCODE: 1057 case BNX_DIR_TYPE_BOOTCODE_2: 1058 case BNX_DIR_TYPE_APE_FW: 1059 case BNX_DIR_TYPE_APE_PATCH: 1060 case BNX_DIR_TYPE_KONG_FW: 1061 case BNX_DIR_TYPE_KONG_PATCH: 1062 return true; 1063 } 1064 1065 return false; 1066 } 1067 1068 static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type) 1069 { 1070 switch (dir_type) { 1071 case BNX_DIR_TYPE_AVS: 1072 case BNX_DIR_TYPE_EXP_ROM_MBA: 1073 case BNX_DIR_TYPE_PCIE: 1074 case BNX_DIR_TYPE_TSCF_UCODE: 1075 case BNX_DIR_TYPE_EXT_PHY: 1076 case BNX_DIR_TYPE_CCM: 1077 case BNX_DIR_TYPE_ISCSI_BOOT: 1078 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6: 1079 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6: 1080 return true; 1081 } 1082 1083 return false; 1084 } 1085 1086 static bool bnxt_dir_type_is_executable(u16 dir_type) 1087 { 1088 return bnxt_dir_type_is_ape_bin_format(dir_type) || 1089 bnxt_dir_type_is_unprotected_exec_format(dir_type); 1090 } 1091 1092 static int bnxt_flash_firmware_from_file(struct net_device *dev, 1093 u16 dir_type, 1094 const char *filename) 1095 { 1096 const struct firmware *fw; 1097 int rc; 1098 1099 if (bnxt_dir_type_is_executable(dir_type) == false) 1100 return -EINVAL; 1101 1102 rc = request_firmware(&fw, filename, &dev->dev); 1103 if (rc != 0) { 1104 netdev_err(dev, "Error %d requesting firmware file: %s\n", 1105 rc, filename); 1106 return rc; 1107 } 1108 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true) 1109 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size); 1110 else 1111 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1112 0, 0, fw->data, fw->size); 1113 release_firmware(fw); 1114 return rc; 1115 } 1116 1117 static int bnxt_flash_package_from_file(struct net_device *dev, 1118 char *filename) 1119 { 1120 netdev_err(dev, "packages are not yet supported\n"); 1121 return -EINVAL; 1122 } 1123 1124 static int bnxt_flash_device(struct net_device *dev, 1125 struct ethtool_flash *flash) 1126 { 1127 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) { 1128 netdev_err(dev, "flashdev not supported from a virtual function\n"); 1129 return -EINVAL; 1130 } 1131 1132 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS) 1133 return bnxt_flash_package_from_file(dev, flash->data); 1134 1135 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data); 1136 } 1137 1138 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length) 1139 { 1140 struct bnxt *bp = netdev_priv(dev); 1141 int rc; 1142 struct hwrm_nvm_get_dir_info_input req = {0}; 1143 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr; 1144 1145 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1); 1146 1147 mutex_lock(&bp->hwrm_cmd_lock); 1148 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1149 if (!rc) { 1150 *entries = le32_to_cpu(output->entries); 1151 *length = le32_to_cpu(output->entry_length); 1152 } 1153 mutex_unlock(&bp->hwrm_cmd_lock); 1154 return rc; 1155 } 1156 1157 static int bnxt_get_eeprom_len(struct net_device *dev) 1158 { 1159 /* The -1 return value allows the entire 32-bit range of offsets to be 1160 * passed via the ethtool command-line utility. 1161 */ 1162 return -1; 1163 } 1164 1165 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) 1166 { 1167 struct bnxt *bp = netdev_priv(dev); 1168 int rc; 1169 u32 dir_entries; 1170 u32 entry_length; 1171 u8 *buf; 1172 size_t buflen; 1173 dma_addr_t dma_handle; 1174 struct hwrm_nvm_get_dir_entries_input req = {0}; 1175 1176 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length); 1177 if (rc != 0) 1178 return rc; 1179 1180 /* Insert 2 bytes of directory info (count and size of entries) */ 1181 if (len < 2) 1182 return -EINVAL; 1183 1184 *data++ = dir_entries; 1185 *data++ = entry_length; 1186 len -= 2; 1187 memset(data, 0xff, len); 1188 1189 buflen = dir_entries * entry_length; 1190 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle, 1191 GFP_KERNEL); 1192 if (!buf) { 1193 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1194 (unsigned)buflen); 1195 return -ENOMEM; 1196 } 1197 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1); 1198 req.host_dest_addr = cpu_to_le64(dma_handle); 1199 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1200 if (rc == 0) 1201 memcpy(data, buf, len > buflen ? buflen : len); 1202 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle); 1203 return rc; 1204 } 1205 1206 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, 1207 u32 length, u8 *data) 1208 { 1209 struct bnxt *bp = netdev_priv(dev); 1210 int rc; 1211 u8 *buf; 1212 dma_addr_t dma_handle; 1213 struct hwrm_nvm_read_input req = {0}; 1214 1215 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle, 1216 GFP_KERNEL); 1217 if (!buf) { 1218 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1219 (unsigned)length); 1220 return -ENOMEM; 1221 } 1222 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1); 1223 req.host_dest_addr = cpu_to_le64(dma_handle); 1224 req.dir_idx = cpu_to_le16(index); 1225 req.offset = cpu_to_le32(offset); 1226 req.len = cpu_to_le32(length); 1227 1228 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1229 if (rc == 0) 1230 memcpy(data, buf, length); 1231 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle); 1232 return rc; 1233 } 1234 1235 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1236 u16 ext, u16 *index, u32 *item_length, 1237 u32 *data_length) 1238 { 1239 struct bnxt *bp = netdev_priv(dev); 1240 int rc; 1241 struct hwrm_nvm_find_dir_entry_input req = {0}; 1242 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr; 1243 1244 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1); 1245 req.enables = 0; 1246 req.dir_idx = 0; 1247 req.dir_type = cpu_to_le16(type); 1248 req.dir_ordinal = cpu_to_le16(ordinal); 1249 req.dir_ext = cpu_to_le16(ext); 1250 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ; 1251 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1252 if (rc == 0) { 1253 if (index) 1254 *index = le16_to_cpu(output->dir_idx); 1255 if (item_length) 1256 *item_length = le32_to_cpu(output->dir_item_length); 1257 if (data_length) 1258 *data_length = le32_to_cpu(output->dir_data_length); 1259 } 1260 return rc; 1261 } 1262 1263 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen) 1264 { 1265 char *retval = NULL; 1266 char *p; 1267 char *value; 1268 int field = 0; 1269 1270 if (datalen < 1) 1271 return NULL; 1272 /* null-terminate the log data (removing last '\n'): */ 1273 data[datalen - 1] = 0; 1274 for (p = data; *p != 0; p++) { 1275 field = 0; 1276 retval = NULL; 1277 while (*p != 0 && *p != '\n') { 1278 value = p; 1279 while (*p != 0 && *p != '\t' && *p != '\n') 1280 p++; 1281 if (field == desired_field) 1282 retval = value; 1283 if (*p != '\t') 1284 break; 1285 *p = 0; 1286 field++; 1287 p++; 1288 } 1289 if (*p == 0) 1290 break; 1291 *p = 0; 1292 } 1293 return retval; 1294 } 1295 1296 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen) 1297 { 1298 u16 index = 0; 1299 u32 datalen; 1300 1301 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG, 1302 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1303 &index, NULL, &datalen) != 0) 1304 return NULL; 1305 1306 memset(buf, 0, buflen); 1307 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0) 1308 return NULL; 1309 1310 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf, 1311 datalen); 1312 } 1313 1314 static int bnxt_get_eeprom(struct net_device *dev, 1315 struct ethtool_eeprom *eeprom, 1316 u8 *data) 1317 { 1318 u32 index; 1319 u32 offset; 1320 1321 if (eeprom->offset == 0) /* special offset value to get directory */ 1322 return bnxt_get_nvram_directory(dev, eeprom->len, data); 1323 1324 index = eeprom->offset >> 24; 1325 offset = eeprom->offset & 0xffffff; 1326 1327 if (index == 0) { 1328 netdev_err(dev, "unsupported index value: %d\n", index); 1329 return -EINVAL; 1330 } 1331 1332 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data); 1333 } 1334 1335 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index) 1336 { 1337 struct bnxt *bp = netdev_priv(dev); 1338 struct hwrm_nvm_erase_dir_entry_input req = {0}; 1339 1340 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1); 1341 req.dir_idx = cpu_to_le16(index); 1342 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1343 } 1344 1345 static int bnxt_set_eeprom(struct net_device *dev, 1346 struct ethtool_eeprom *eeprom, 1347 u8 *data) 1348 { 1349 struct bnxt *bp = netdev_priv(dev); 1350 u8 index, dir_op; 1351 u16 type, ext, ordinal, attr; 1352 1353 if (!BNXT_PF(bp)) { 1354 netdev_err(dev, "NVM write not supported from a virtual function\n"); 1355 return -EINVAL; 1356 } 1357 1358 type = eeprom->magic >> 16; 1359 1360 if (type == 0xffff) { /* special value for directory operations */ 1361 index = eeprom->magic & 0xff; 1362 dir_op = eeprom->magic >> 8; 1363 if (index == 0) 1364 return -EINVAL; 1365 switch (dir_op) { 1366 case 0x0e: /* erase */ 1367 if (eeprom->offset != ~eeprom->magic) 1368 return -EINVAL; 1369 return bnxt_erase_nvram_directory(dev, index - 1); 1370 default: 1371 return -EINVAL; 1372 } 1373 } 1374 1375 /* Create or re-write an NVM item: */ 1376 if (bnxt_dir_type_is_executable(type) == true) 1377 return -EINVAL; 1378 ext = eeprom->magic & 0xffff; 1379 ordinal = eeprom->offset >> 16; 1380 attr = eeprom->offset & 0xffff; 1381 1382 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data, 1383 eeprom->len); 1384 } 1385 1386 const struct ethtool_ops bnxt_ethtool_ops = { 1387 .get_settings = bnxt_get_settings, 1388 .set_settings = bnxt_set_settings, 1389 .get_pauseparam = bnxt_get_pauseparam, 1390 .set_pauseparam = bnxt_set_pauseparam, 1391 .get_drvinfo = bnxt_get_drvinfo, 1392 .get_coalesce = bnxt_get_coalesce, 1393 .set_coalesce = bnxt_set_coalesce, 1394 .get_msglevel = bnxt_get_msglevel, 1395 .set_msglevel = bnxt_set_msglevel, 1396 .get_sset_count = bnxt_get_sset_count, 1397 .get_strings = bnxt_get_strings, 1398 .get_ethtool_stats = bnxt_get_ethtool_stats, 1399 .set_ringparam = bnxt_set_ringparam, 1400 .get_ringparam = bnxt_get_ringparam, 1401 .get_channels = bnxt_get_channels, 1402 .set_channels = bnxt_set_channels, 1403 #ifdef CONFIG_RFS_ACCEL 1404 .get_rxnfc = bnxt_get_rxnfc, 1405 #endif 1406 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size, 1407 .get_rxfh_key_size = bnxt_get_rxfh_key_size, 1408 .get_rxfh = bnxt_get_rxfh, 1409 .flash_device = bnxt_flash_device, 1410 .get_eeprom_len = bnxt_get_eeprom_len, 1411 .get_eeprom = bnxt_get_eeprom, 1412 .set_eeprom = bnxt_set_eeprom, 1413 .get_link = bnxt_get_link, 1414 }; 1415