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 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 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) { 331 max_rx_rings = 0; 332 max_tx_rings = 0; 333 } 334 335 tcs = netdev_get_num_tc(dev); 336 if (tcs > 1) 337 max_tx_rings /= tcs; 338 339 channel->max_rx = max_rx_rings; 340 channel->max_tx = max_tx_rings; 341 channel->max_other = 0; 342 if (bp->flags & BNXT_FLAG_SHARED_RINGS) { 343 channel->combined_count = bp->rx_nr_rings; 344 } else { 345 channel->rx_count = bp->rx_nr_rings; 346 channel->tx_count = bp->tx_nr_rings_per_tc; 347 } 348 } 349 350 static int bnxt_set_channels(struct net_device *dev, 351 struct ethtool_channels *channel) 352 { 353 struct bnxt *bp = netdev_priv(dev); 354 int max_rx_rings, max_tx_rings, tcs; 355 u32 rc = 0; 356 bool sh = false; 357 358 if (channel->other_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 (channel->rx_count || channel->tx_count)) 367 return -EINVAL; 368 369 if (channel->combined_count) 370 sh = true; 371 372 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh); 373 374 tcs = netdev_get_num_tc(dev); 375 if (tcs > 1) 376 max_tx_rings /= tcs; 377 378 if (sh && (channel->combined_count > max_rx_rings || 379 channel->combined_count > max_tx_rings)) 380 return -ENOMEM; 381 382 if (!sh && (channel->rx_count > max_rx_rings || 383 channel->tx_count > max_tx_rings)) 384 return -ENOMEM; 385 386 if (netif_running(dev)) { 387 if (BNXT_PF(bp)) { 388 /* TODO CHIMP_FW: Send message to all VF's 389 * before PF unload 390 */ 391 } 392 rc = bnxt_close_nic(bp, true, false); 393 if (rc) { 394 netdev_err(bp->dev, "Set channel failure rc :%x\n", 395 rc); 396 return rc; 397 } 398 } 399 400 if (sh) { 401 bp->flags |= BNXT_FLAG_SHARED_RINGS; 402 bp->rx_nr_rings = channel->combined_count; 403 bp->tx_nr_rings_per_tc = channel->combined_count; 404 } else { 405 bp->flags &= ~BNXT_FLAG_SHARED_RINGS; 406 bp->rx_nr_rings = channel->rx_count; 407 bp->tx_nr_rings_per_tc = channel->tx_count; 408 } 409 410 bp->tx_nr_rings = bp->tx_nr_rings_per_tc; 411 if (tcs > 1) 412 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs; 413 414 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : 415 bp->tx_nr_rings + bp->rx_nr_rings; 416 417 bp->num_stat_ctxs = bp->cp_nr_rings; 418 419 /* After changing number of rx channels, update NTUPLE feature. */ 420 netdev_update_features(dev); 421 if (netif_running(dev)) { 422 rc = bnxt_open_nic(bp, true, false); 423 if ((!rc) && BNXT_PF(bp)) { 424 /* TODO CHIMP_FW: Send message to all VF's 425 * to renable 426 */ 427 } 428 } 429 430 return rc; 431 } 432 433 #ifdef CONFIG_RFS_ACCEL 434 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd, 435 u32 *rule_locs) 436 { 437 int i, j = 0; 438 439 cmd->data = bp->ntp_fltr_count; 440 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 441 struct hlist_head *head; 442 struct bnxt_ntuple_filter *fltr; 443 444 head = &bp->ntp_fltr_hash_tbl[i]; 445 rcu_read_lock(); 446 hlist_for_each_entry_rcu(fltr, head, hash) { 447 if (j == cmd->rule_cnt) 448 break; 449 rule_locs[j++] = fltr->sw_id; 450 } 451 rcu_read_unlock(); 452 if (j == cmd->rule_cnt) 453 break; 454 } 455 cmd->rule_cnt = j; 456 return 0; 457 } 458 459 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd) 460 { 461 struct ethtool_rx_flow_spec *fs = 462 (struct ethtool_rx_flow_spec *)&cmd->fs; 463 struct bnxt_ntuple_filter *fltr; 464 struct flow_keys *fkeys; 465 int i, rc = -EINVAL; 466 467 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR) 468 return rc; 469 470 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 471 struct hlist_head *head; 472 473 head = &bp->ntp_fltr_hash_tbl[i]; 474 rcu_read_lock(); 475 hlist_for_each_entry_rcu(fltr, head, hash) { 476 if (fltr->sw_id == fs->location) 477 goto fltr_found; 478 } 479 rcu_read_unlock(); 480 } 481 return rc; 482 483 fltr_found: 484 fkeys = &fltr->fkeys; 485 if (fkeys->basic.ip_proto == IPPROTO_TCP) 486 fs->flow_type = TCP_V4_FLOW; 487 else if (fkeys->basic.ip_proto == IPPROTO_UDP) 488 fs->flow_type = UDP_V4_FLOW; 489 else 490 goto fltr_err; 491 492 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src; 493 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0); 494 495 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst; 496 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0); 497 498 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src; 499 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0); 500 501 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst; 502 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0); 503 504 fs->ring_cookie = fltr->rxq; 505 rc = 0; 506 507 fltr_err: 508 rcu_read_unlock(); 509 510 return rc; 511 } 512 513 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 514 u32 *rule_locs) 515 { 516 struct bnxt *bp = netdev_priv(dev); 517 int rc = 0; 518 519 switch (cmd->cmd) { 520 case ETHTOOL_GRXRINGS: 521 cmd->data = bp->rx_nr_rings; 522 break; 523 524 case ETHTOOL_GRXCLSRLCNT: 525 cmd->rule_cnt = bp->ntp_fltr_count; 526 cmd->data = BNXT_NTP_FLTR_MAX_FLTR; 527 break; 528 529 case ETHTOOL_GRXCLSRLALL: 530 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs); 531 break; 532 533 case ETHTOOL_GRXCLSRULE: 534 rc = bnxt_grxclsrule(bp, cmd); 535 break; 536 537 default: 538 rc = -EOPNOTSUPP; 539 break; 540 } 541 542 return rc; 543 } 544 #endif 545 546 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev) 547 { 548 return HW_HASH_INDEX_SIZE; 549 } 550 551 static u32 bnxt_get_rxfh_key_size(struct net_device *dev) 552 { 553 return HW_HASH_KEY_SIZE; 554 } 555 556 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, 557 u8 *hfunc) 558 { 559 struct bnxt *bp = netdev_priv(dev); 560 struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; 561 int i = 0; 562 563 if (hfunc) 564 *hfunc = ETH_RSS_HASH_TOP; 565 566 if (indir) 567 for (i = 0; i < HW_HASH_INDEX_SIZE; i++) 568 indir[i] = le16_to_cpu(vnic->rss_table[i]); 569 570 if (key) 571 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE); 572 573 return 0; 574 } 575 576 static void bnxt_get_drvinfo(struct net_device *dev, 577 struct ethtool_drvinfo *info) 578 { 579 struct bnxt *bp = netdev_priv(dev); 580 char *pkglog; 581 char *pkgver = NULL; 582 583 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL); 584 if (pkglog) 585 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH); 586 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 587 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 588 if (pkgver && *pkgver != 0 && isdigit(*pkgver)) 589 snprintf(info->fw_version, sizeof(info->fw_version) - 1, 590 "%s pkg %s", bp->fw_ver_str, pkgver); 591 else 592 strlcpy(info->fw_version, bp->fw_ver_str, 593 sizeof(info->fw_version)); 594 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); 595 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings; 596 info->testinfo_len = BNXT_NUM_TESTS(bp); 597 /* TODO CHIMP_FW: eeprom dump details */ 598 info->eedump_len = 0; 599 /* TODO CHIMP FW: reg dump details */ 600 info->regdump_len = 0; 601 kfree(pkglog); 602 } 603 604 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause) 605 { 606 u32 speed_mask = 0; 607 608 /* TODO: support 25GB, 40GB, 50GB with different cable type */ 609 /* set the advertised speeds */ 610 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB) 611 speed_mask |= ADVERTISED_100baseT_Full; 612 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB) 613 speed_mask |= ADVERTISED_1000baseT_Full; 614 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB) 615 speed_mask |= ADVERTISED_2500baseX_Full; 616 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB) 617 speed_mask |= ADVERTISED_10000baseT_Full; 618 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB) 619 speed_mask |= ADVERTISED_40000baseCR4_Full; 620 621 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH) 622 speed_mask |= ADVERTISED_Pause; 623 else if (fw_pause & BNXT_LINK_PAUSE_TX) 624 speed_mask |= ADVERTISED_Asym_Pause; 625 else if (fw_pause & BNXT_LINK_PAUSE_RX) 626 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; 627 628 return speed_mask; 629 } 630 631 static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info) 632 { 633 u16 fw_speeds = link_info->auto_link_speeds; 634 u8 fw_pause = 0; 635 636 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 637 fw_pause = link_info->auto_pause_setting; 638 639 return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause); 640 } 641 642 static u32 bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info) 643 { 644 u16 fw_speeds = link_info->lp_auto_link_speeds; 645 u8 fw_pause = 0; 646 647 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 648 fw_pause = link_info->lp_pause; 649 650 return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause); 651 } 652 653 static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info) 654 { 655 u16 fw_speeds = link_info->support_speeds; 656 u32 supported; 657 658 supported = _bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0); 659 return supported | SUPPORTED_Pause | SUPPORTED_Asym_Pause; 660 } 661 662 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) 663 { 664 switch (fw_link_speed) { 665 case BNXT_LINK_SPEED_100MB: 666 return SPEED_100; 667 case BNXT_LINK_SPEED_1GB: 668 return SPEED_1000; 669 case BNXT_LINK_SPEED_2_5GB: 670 return SPEED_2500; 671 case BNXT_LINK_SPEED_10GB: 672 return SPEED_10000; 673 case BNXT_LINK_SPEED_20GB: 674 return SPEED_20000; 675 case BNXT_LINK_SPEED_25GB: 676 return SPEED_25000; 677 case BNXT_LINK_SPEED_40GB: 678 return SPEED_40000; 679 case BNXT_LINK_SPEED_50GB: 680 return SPEED_50000; 681 default: 682 return SPEED_UNKNOWN; 683 } 684 } 685 686 static int bnxt_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) 687 { 688 struct bnxt *bp = netdev_priv(dev); 689 struct bnxt_link_info *link_info = &bp->link_info; 690 u16 ethtool_speed; 691 692 cmd->supported = bnxt_fw_to_ethtool_support_spds(link_info); 693 694 if (link_info->auto_link_speeds) 695 cmd->supported |= SUPPORTED_Autoneg; 696 697 if (link_info->autoneg) { 698 cmd->advertising = 699 bnxt_fw_to_ethtool_advertised_spds(link_info); 700 cmd->advertising |= ADVERTISED_Autoneg; 701 cmd->autoneg = AUTONEG_ENABLE; 702 if (link_info->phy_link_status == BNXT_LINK_LINK) 703 cmd->lp_advertising = 704 bnxt_fw_to_ethtool_lp_adv(link_info); 705 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); 706 if (!netif_carrier_ok(dev)) 707 cmd->duplex = DUPLEX_UNKNOWN; 708 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) 709 cmd->duplex = DUPLEX_FULL; 710 else 711 cmd->duplex = DUPLEX_HALF; 712 } else { 713 cmd->autoneg = AUTONEG_DISABLE; 714 cmd->advertising = 0; 715 ethtool_speed = 716 bnxt_fw_to_ethtool_speed(link_info->req_link_speed); 717 cmd->duplex = DUPLEX_HALF; 718 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL) 719 cmd->duplex = DUPLEX_FULL; 720 } 721 ethtool_cmd_speed_set(cmd, ethtool_speed); 722 723 cmd->port = PORT_NONE; 724 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 725 cmd->port = PORT_TP; 726 cmd->supported |= SUPPORTED_TP; 727 cmd->advertising |= ADVERTISED_TP; 728 } else { 729 cmd->supported |= SUPPORTED_FIBRE; 730 cmd->advertising |= ADVERTISED_FIBRE; 731 732 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC) 733 cmd->port = PORT_DA; 734 else if (link_info->media_type == 735 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE) 736 cmd->port = PORT_FIBRE; 737 } 738 739 if (link_info->transceiver == 740 PORT_PHY_QCFG_RESP_XCVR_PKG_TYPE_XCVR_INTERNAL) 741 cmd->transceiver = XCVR_INTERNAL; 742 else 743 cmd->transceiver = XCVR_EXTERNAL; 744 cmd->phy_address = link_info->phy_addr; 745 746 return 0; 747 } 748 749 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed) 750 { 751 struct bnxt *bp = netdev_priv(dev); 752 struct bnxt_link_info *link_info = &bp->link_info; 753 u16 support_spds = link_info->support_speeds; 754 u32 fw_speed = 0; 755 756 switch (ethtool_speed) { 757 case SPEED_100: 758 if (support_spds & BNXT_LINK_SPEED_MSK_100MB) 759 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB; 760 break; 761 case SPEED_1000: 762 if (support_spds & BNXT_LINK_SPEED_MSK_1GB) 763 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB; 764 break; 765 case SPEED_2500: 766 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB) 767 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB; 768 break; 769 case SPEED_10000: 770 if (support_spds & BNXT_LINK_SPEED_MSK_10GB) 771 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB; 772 break; 773 case SPEED_20000: 774 if (support_spds & BNXT_LINK_SPEED_MSK_20GB) 775 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB; 776 break; 777 case SPEED_25000: 778 if (support_spds & BNXT_LINK_SPEED_MSK_25GB) 779 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB; 780 break; 781 case SPEED_40000: 782 if (support_spds & BNXT_LINK_SPEED_MSK_40GB) 783 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB; 784 break; 785 case SPEED_50000: 786 if (support_spds & BNXT_LINK_SPEED_MSK_50GB) 787 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB; 788 break; 789 default: 790 netdev_err(dev, "unsupported speed!\n"); 791 break; 792 } 793 return fw_speed; 794 } 795 796 u16 bnxt_get_fw_auto_link_speeds(u32 advertising) 797 { 798 u16 fw_speed_mask = 0; 799 800 /* only support autoneg at speed 100, 1000, and 10000 */ 801 if (advertising & (ADVERTISED_100baseT_Full | 802 ADVERTISED_100baseT_Half)) { 803 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB; 804 } 805 if (advertising & (ADVERTISED_1000baseT_Full | 806 ADVERTISED_1000baseT_Half)) { 807 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB; 808 } 809 if (advertising & ADVERTISED_10000baseT_Full) 810 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB; 811 812 if (advertising & ADVERTISED_40000baseCR4_Full) 813 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB; 814 815 return fw_speed_mask; 816 } 817 818 static int bnxt_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) 819 { 820 int rc = 0; 821 struct bnxt *bp = netdev_priv(dev); 822 struct bnxt_link_info *link_info = &bp->link_info; 823 u32 speed, fw_advertising = 0; 824 bool set_pause = false; 825 826 if (BNXT_VF(bp)) 827 return rc; 828 829 if (cmd->autoneg == AUTONEG_ENABLE) { 830 u32 supported_spds = bnxt_fw_to_ethtool_support_spds(link_info); 831 832 if (cmd->advertising & ~(supported_spds | ADVERTISED_Autoneg | 833 ADVERTISED_TP | ADVERTISED_FIBRE)) { 834 netdev_err(dev, "Unsupported advertising mask (adv: 0x%x)\n", 835 cmd->advertising); 836 rc = -EINVAL; 837 goto set_setting_exit; 838 } 839 fw_advertising = bnxt_get_fw_auto_link_speeds(cmd->advertising); 840 if (fw_advertising & ~link_info->support_speeds) { 841 netdev_err(dev, "Advertising parameters are not supported! (adv: 0x%x)\n", 842 cmd->advertising); 843 rc = -EINVAL; 844 goto set_setting_exit; 845 } 846 link_info->autoneg |= BNXT_AUTONEG_SPEED; 847 if (!fw_advertising) 848 link_info->advertising = link_info->support_speeds; 849 else 850 link_info->advertising = fw_advertising; 851 /* any change to autoneg will cause link change, therefore the 852 * driver should put back the original pause setting in autoneg 853 */ 854 set_pause = true; 855 } else { 856 u16 fw_speed; 857 u8 phy_type = link_info->phy_type; 858 859 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET || 860 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE || 861 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 862 netdev_err(dev, "10GBase-T devices must autoneg\n"); 863 rc = -EINVAL; 864 goto set_setting_exit; 865 } 866 /* TODO: currently don't support half duplex */ 867 if (cmd->duplex == DUPLEX_HALF) { 868 netdev_err(dev, "HALF DUPLEX is not supported!\n"); 869 rc = -EINVAL; 870 goto set_setting_exit; 871 } 872 /* If received a request for an unknown duplex, assume full*/ 873 if (cmd->duplex == DUPLEX_UNKNOWN) 874 cmd->duplex = DUPLEX_FULL; 875 speed = ethtool_cmd_speed(cmd); 876 fw_speed = bnxt_get_fw_speed(dev, speed); 877 if (!fw_speed) { 878 rc = -EINVAL; 879 goto set_setting_exit; 880 } 881 link_info->req_link_speed = fw_speed; 882 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL; 883 link_info->autoneg = 0; 884 link_info->advertising = 0; 885 } 886 887 if (netif_running(dev)) 888 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false); 889 890 set_setting_exit: 891 return rc; 892 } 893 894 static void bnxt_get_pauseparam(struct net_device *dev, 895 struct ethtool_pauseparam *epause) 896 { 897 struct bnxt *bp = netdev_priv(dev); 898 struct bnxt_link_info *link_info = &bp->link_info; 899 900 if (BNXT_VF(bp)) 901 return; 902 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL); 903 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX); 904 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX); 905 } 906 907 static int bnxt_set_pauseparam(struct net_device *dev, 908 struct ethtool_pauseparam *epause) 909 { 910 int rc = 0; 911 struct bnxt *bp = netdev_priv(dev); 912 struct bnxt_link_info *link_info = &bp->link_info; 913 914 if (BNXT_VF(bp)) 915 return rc; 916 917 if (epause->autoneg) { 918 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 919 return -EINVAL; 920 921 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; 922 if (bp->hwrm_spec_code >= 0x10201) 923 link_info->req_flow_ctrl = 924 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE; 925 } else { 926 /* when transition from auto pause to force pause, 927 * force a link change 928 */ 929 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 930 link_info->force_link_chng = true; 931 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL; 932 link_info->req_flow_ctrl = 0; 933 } 934 if (epause->rx_pause) 935 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX; 936 937 if (epause->tx_pause) 938 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX; 939 940 if (netif_running(dev)) 941 rc = bnxt_hwrm_set_pause(bp); 942 return rc; 943 } 944 945 static u32 bnxt_get_link(struct net_device *dev) 946 { 947 struct bnxt *bp = netdev_priv(dev); 948 949 /* TODO: handle MF, VF, driver close case */ 950 return bp->link_info.link_up; 951 } 952 953 static int bnxt_flash_nvram(struct net_device *dev, 954 u16 dir_type, 955 u16 dir_ordinal, 956 u16 dir_ext, 957 u16 dir_attr, 958 const u8 *data, 959 size_t data_len) 960 { 961 struct bnxt *bp = netdev_priv(dev); 962 int rc; 963 struct hwrm_nvm_write_input req = {0}; 964 dma_addr_t dma_handle; 965 u8 *kmem; 966 967 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1); 968 969 req.dir_type = cpu_to_le16(dir_type); 970 req.dir_ordinal = cpu_to_le16(dir_ordinal); 971 req.dir_ext = cpu_to_le16(dir_ext); 972 req.dir_attr = cpu_to_le16(dir_attr); 973 req.dir_data_length = cpu_to_le32(data_len); 974 975 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle, 976 GFP_KERNEL); 977 if (!kmem) { 978 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 979 (unsigned)data_len); 980 return -ENOMEM; 981 } 982 memcpy(kmem, data, data_len); 983 req.host_src_addr = cpu_to_le64(dma_handle); 984 985 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT); 986 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle); 987 988 return rc; 989 } 990 991 static int bnxt_firmware_reset(struct net_device *dev, 992 u16 dir_type) 993 { 994 struct bnxt *bp = netdev_priv(dev); 995 struct hwrm_fw_reset_input req = {0}; 996 997 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); 998 999 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */ 1000 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */ 1001 /* (e.g. when firmware isn't already running) */ 1002 switch (dir_type) { 1003 case BNX_DIR_TYPE_CHIMP_PATCH: 1004 case BNX_DIR_TYPE_BOOTCODE: 1005 case BNX_DIR_TYPE_BOOTCODE_2: 1006 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT; 1007 /* Self-reset ChiMP upon next PCIe reset: */ 1008 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 1009 break; 1010 case BNX_DIR_TYPE_APE_FW: 1011 case BNX_DIR_TYPE_APE_PATCH: 1012 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT; 1013 break; 1014 case BNX_DIR_TYPE_KONG_FW: 1015 case BNX_DIR_TYPE_KONG_PATCH: 1016 req.embedded_proc_type = 1017 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL; 1018 break; 1019 case BNX_DIR_TYPE_BONO_FW: 1020 case BNX_DIR_TYPE_BONO_PATCH: 1021 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE; 1022 break; 1023 default: 1024 return -EINVAL; 1025 } 1026 1027 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1028 } 1029 1030 static int bnxt_flash_firmware(struct net_device *dev, 1031 u16 dir_type, 1032 const u8 *fw_data, 1033 size_t fw_size) 1034 { 1035 int rc = 0; 1036 u16 code_type; 1037 u32 stored_crc; 1038 u32 calculated_crc; 1039 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data; 1040 1041 switch (dir_type) { 1042 case BNX_DIR_TYPE_BOOTCODE: 1043 case BNX_DIR_TYPE_BOOTCODE_2: 1044 code_type = CODE_BOOT; 1045 break; 1046 case BNX_DIR_TYPE_APE_FW: 1047 code_type = CODE_MCTP_PASSTHRU; 1048 break; 1049 default: 1050 netdev_err(dev, "Unsupported directory entry type: %u\n", 1051 dir_type); 1052 return -EINVAL; 1053 } 1054 if (fw_size < sizeof(struct bnxt_fw_header)) { 1055 netdev_err(dev, "Invalid firmware file size: %u\n", 1056 (unsigned int)fw_size); 1057 return -EINVAL; 1058 } 1059 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) { 1060 netdev_err(dev, "Invalid firmware signature: %08X\n", 1061 le32_to_cpu(header->signature)); 1062 return -EINVAL; 1063 } 1064 if (header->code_type != code_type) { 1065 netdev_err(dev, "Expected firmware type: %d, read: %d\n", 1066 code_type, header->code_type); 1067 return -EINVAL; 1068 } 1069 if (header->device != DEVICE_CUMULUS_FAMILY) { 1070 netdev_err(dev, "Expected firmware device family %d, read: %d\n", 1071 DEVICE_CUMULUS_FAMILY, header->device); 1072 return -EINVAL; 1073 } 1074 /* Confirm the CRC32 checksum of the file: */ 1075 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1076 sizeof(stored_crc))); 1077 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1078 if (calculated_crc != stored_crc) { 1079 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n", 1080 (unsigned long)stored_crc, 1081 (unsigned long)calculated_crc); 1082 return -EINVAL; 1083 } 1084 /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */ 1085 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1086 0, 0, fw_data, fw_size); 1087 if (rc == 0) /* Firmware update successful */ 1088 rc = bnxt_firmware_reset(dev, dir_type); 1089 1090 return rc; 1091 } 1092 1093 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type) 1094 { 1095 switch (dir_type) { 1096 case BNX_DIR_TYPE_CHIMP_PATCH: 1097 case BNX_DIR_TYPE_BOOTCODE: 1098 case BNX_DIR_TYPE_BOOTCODE_2: 1099 case BNX_DIR_TYPE_APE_FW: 1100 case BNX_DIR_TYPE_APE_PATCH: 1101 case BNX_DIR_TYPE_KONG_FW: 1102 case BNX_DIR_TYPE_KONG_PATCH: 1103 return true; 1104 } 1105 1106 return false; 1107 } 1108 1109 static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type) 1110 { 1111 switch (dir_type) { 1112 case BNX_DIR_TYPE_AVS: 1113 case BNX_DIR_TYPE_EXP_ROM_MBA: 1114 case BNX_DIR_TYPE_PCIE: 1115 case BNX_DIR_TYPE_TSCF_UCODE: 1116 case BNX_DIR_TYPE_EXT_PHY: 1117 case BNX_DIR_TYPE_CCM: 1118 case BNX_DIR_TYPE_ISCSI_BOOT: 1119 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6: 1120 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6: 1121 return true; 1122 } 1123 1124 return false; 1125 } 1126 1127 static bool bnxt_dir_type_is_executable(u16 dir_type) 1128 { 1129 return bnxt_dir_type_is_ape_bin_format(dir_type) || 1130 bnxt_dir_type_is_unprotected_exec_format(dir_type); 1131 } 1132 1133 static int bnxt_flash_firmware_from_file(struct net_device *dev, 1134 u16 dir_type, 1135 const char *filename) 1136 { 1137 const struct firmware *fw; 1138 int rc; 1139 1140 if (bnxt_dir_type_is_executable(dir_type) == false) 1141 return -EINVAL; 1142 1143 rc = request_firmware(&fw, filename, &dev->dev); 1144 if (rc != 0) { 1145 netdev_err(dev, "Error %d requesting firmware file: %s\n", 1146 rc, filename); 1147 return rc; 1148 } 1149 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true) 1150 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size); 1151 else 1152 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1153 0, 0, fw->data, fw->size); 1154 release_firmware(fw); 1155 return rc; 1156 } 1157 1158 static int bnxt_flash_package_from_file(struct net_device *dev, 1159 char *filename) 1160 { 1161 netdev_err(dev, "packages are not yet supported\n"); 1162 return -EINVAL; 1163 } 1164 1165 static int bnxt_flash_device(struct net_device *dev, 1166 struct ethtool_flash *flash) 1167 { 1168 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) { 1169 netdev_err(dev, "flashdev not supported from a virtual function\n"); 1170 return -EINVAL; 1171 } 1172 1173 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS) 1174 return bnxt_flash_package_from_file(dev, flash->data); 1175 1176 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data); 1177 } 1178 1179 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length) 1180 { 1181 struct bnxt *bp = netdev_priv(dev); 1182 int rc; 1183 struct hwrm_nvm_get_dir_info_input req = {0}; 1184 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr; 1185 1186 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1); 1187 1188 mutex_lock(&bp->hwrm_cmd_lock); 1189 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1190 if (!rc) { 1191 *entries = le32_to_cpu(output->entries); 1192 *length = le32_to_cpu(output->entry_length); 1193 } 1194 mutex_unlock(&bp->hwrm_cmd_lock); 1195 return rc; 1196 } 1197 1198 static int bnxt_get_eeprom_len(struct net_device *dev) 1199 { 1200 /* The -1 return value allows the entire 32-bit range of offsets to be 1201 * passed via the ethtool command-line utility. 1202 */ 1203 return -1; 1204 } 1205 1206 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) 1207 { 1208 struct bnxt *bp = netdev_priv(dev); 1209 int rc; 1210 u32 dir_entries; 1211 u32 entry_length; 1212 u8 *buf; 1213 size_t buflen; 1214 dma_addr_t dma_handle; 1215 struct hwrm_nvm_get_dir_entries_input req = {0}; 1216 1217 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length); 1218 if (rc != 0) 1219 return rc; 1220 1221 /* Insert 2 bytes of directory info (count and size of entries) */ 1222 if (len < 2) 1223 return -EINVAL; 1224 1225 *data++ = dir_entries; 1226 *data++ = entry_length; 1227 len -= 2; 1228 memset(data, 0xff, len); 1229 1230 buflen = dir_entries * entry_length; 1231 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle, 1232 GFP_KERNEL); 1233 if (!buf) { 1234 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1235 (unsigned)buflen); 1236 return -ENOMEM; 1237 } 1238 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1); 1239 req.host_dest_addr = cpu_to_le64(dma_handle); 1240 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1241 if (rc == 0) 1242 memcpy(data, buf, len > buflen ? buflen : len); 1243 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle); 1244 return rc; 1245 } 1246 1247 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, 1248 u32 length, u8 *data) 1249 { 1250 struct bnxt *bp = netdev_priv(dev); 1251 int rc; 1252 u8 *buf; 1253 dma_addr_t dma_handle; 1254 struct hwrm_nvm_read_input req = {0}; 1255 1256 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle, 1257 GFP_KERNEL); 1258 if (!buf) { 1259 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1260 (unsigned)length); 1261 return -ENOMEM; 1262 } 1263 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1); 1264 req.host_dest_addr = cpu_to_le64(dma_handle); 1265 req.dir_idx = cpu_to_le16(index); 1266 req.offset = cpu_to_le32(offset); 1267 req.len = cpu_to_le32(length); 1268 1269 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1270 if (rc == 0) 1271 memcpy(data, buf, length); 1272 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle); 1273 return rc; 1274 } 1275 1276 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1277 u16 ext, u16 *index, u32 *item_length, 1278 u32 *data_length) 1279 { 1280 struct bnxt *bp = netdev_priv(dev); 1281 int rc; 1282 struct hwrm_nvm_find_dir_entry_input req = {0}; 1283 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr; 1284 1285 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1); 1286 req.enables = 0; 1287 req.dir_idx = 0; 1288 req.dir_type = cpu_to_le16(type); 1289 req.dir_ordinal = cpu_to_le16(ordinal); 1290 req.dir_ext = cpu_to_le16(ext); 1291 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ; 1292 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1293 if (rc == 0) { 1294 if (index) 1295 *index = le16_to_cpu(output->dir_idx); 1296 if (item_length) 1297 *item_length = le32_to_cpu(output->dir_item_length); 1298 if (data_length) 1299 *data_length = le32_to_cpu(output->dir_data_length); 1300 } 1301 return rc; 1302 } 1303 1304 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen) 1305 { 1306 char *retval = NULL; 1307 char *p; 1308 char *value; 1309 int field = 0; 1310 1311 if (datalen < 1) 1312 return NULL; 1313 /* null-terminate the log data (removing last '\n'): */ 1314 data[datalen - 1] = 0; 1315 for (p = data; *p != 0; p++) { 1316 field = 0; 1317 retval = NULL; 1318 while (*p != 0 && *p != '\n') { 1319 value = p; 1320 while (*p != 0 && *p != '\t' && *p != '\n') 1321 p++; 1322 if (field == desired_field) 1323 retval = value; 1324 if (*p != '\t') 1325 break; 1326 *p = 0; 1327 field++; 1328 p++; 1329 } 1330 if (*p == 0) 1331 break; 1332 *p = 0; 1333 } 1334 return retval; 1335 } 1336 1337 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen) 1338 { 1339 u16 index = 0; 1340 u32 datalen; 1341 1342 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG, 1343 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1344 &index, NULL, &datalen) != 0) 1345 return NULL; 1346 1347 memset(buf, 0, buflen); 1348 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0) 1349 return NULL; 1350 1351 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf, 1352 datalen); 1353 } 1354 1355 static int bnxt_get_eeprom(struct net_device *dev, 1356 struct ethtool_eeprom *eeprom, 1357 u8 *data) 1358 { 1359 u32 index; 1360 u32 offset; 1361 1362 if (eeprom->offset == 0) /* special offset value to get directory */ 1363 return bnxt_get_nvram_directory(dev, eeprom->len, data); 1364 1365 index = eeprom->offset >> 24; 1366 offset = eeprom->offset & 0xffffff; 1367 1368 if (index == 0) { 1369 netdev_err(dev, "unsupported index value: %d\n", index); 1370 return -EINVAL; 1371 } 1372 1373 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data); 1374 } 1375 1376 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index) 1377 { 1378 struct bnxt *bp = netdev_priv(dev); 1379 struct hwrm_nvm_erase_dir_entry_input req = {0}; 1380 1381 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1); 1382 req.dir_idx = cpu_to_le16(index); 1383 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1384 } 1385 1386 static int bnxt_set_eeprom(struct net_device *dev, 1387 struct ethtool_eeprom *eeprom, 1388 u8 *data) 1389 { 1390 struct bnxt *bp = netdev_priv(dev); 1391 u8 index, dir_op; 1392 u16 type, ext, ordinal, attr; 1393 1394 if (!BNXT_PF(bp)) { 1395 netdev_err(dev, "NVM write not supported from a virtual function\n"); 1396 return -EINVAL; 1397 } 1398 1399 type = eeprom->magic >> 16; 1400 1401 if (type == 0xffff) { /* special value for directory operations */ 1402 index = eeprom->magic & 0xff; 1403 dir_op = eeprom->magic >> 8; 1404 if (index == 0) 1405 return -EINVAL; 1406 switch (dir_op) { 1407 case 0x0e: /* erase */ 1408 if (eeprom->offset != ~eeprom->magic) 1409 return -EINVAL; 1410 return bnxt_erase_nvram_directory(dev, index - 1); 1411 default: 1412 return -EINVAL; 1413 } 1414 } 1415 1416 /* Create or re-write an NVM item: */ 1417 if (bnxt_dir_type_is_executable(type) == true) 1418 return -EINVAL; 1419 ext = eeprom->magic & 0xffff; 1420 ordinal = eeprom->offset >> 16; 1421 attr = eeprom->offset & 0xffff; 1422 1423 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data, 1424 eeprom->len); 1425 } 1426 1427 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) 1428 { 1429 struct bnxt *bp = netdev_priv(dev); 1430 struct ethtool_eee *eee = &bp->eee; 1431 struct bnxt_link_info *link_info = &bp->link_info; 1432 u32 advertising = 1433 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); 1434 int rc = 0; 1435 1436 if (BNXT_VF(bp)) 1437 return 0; 1438 1439 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1440 return -EOPNOTSUPP; 1441 1442 if (!edata->eee_enabled) 1443 goto eee_ok; 1444 1445 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { 1446 netdev_warn(dev, "EEE requires autoneg\n"); 1447 return -EINVAL; 1448 } 1449 if (edata->tx_lpi_enabled) { 1450 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi || 1451 edata->tx_lpi_timer < bp->lpi_tmr_lo)) { 1452 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n", 1453 bp->lpi_tmr_lo, bp->lpi_tmr_hi); 1454 return -EINVAL; 1455 } else if (!bp->lpi_tmr_hi) { 1456 edata->tx_lpi_timer = eee->tx_lpi_timer; 1457 } 1458 } 1459 if (!edata->advertised) { 1460 edata->advertised = advertising & eee->supported; 1461 } else if (edata->advertised & ~advertising) { 1462 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n", 1463 edata->advertised, advertising); 1464 return -EINVAL; 1465 } 1466 1467 eee->advertised = edata->advertised; 1468 eee->tx_lpi_enabled = edata->tx_lpi_enabled; 1469 eee->tx_lpi_timer = edata->tx_lpi_timer; 1470 eee_ok: 1471 eee->eee_enabled = edata->eee_enabled; 1472 1473 if (netif_running(dev)) 1474 rc = bnxt_hwrm_set_link_setting(bp, false, true); 1475 1476 return rc; 1477 } 1478 1479 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata) 1480 { 1481 struct bnxt *bp = netdev_priv(dev); 1482 1483 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1484 return -EOPNOTSUPP; 1485 1486 *edata = bp->eee; 1487 if (!bp->eee.eee_enabled) { 1488 /* Preserve tx_lpi_timer so that the last value will be used 1489 * by default when it is re-enabled. 1490 */ 1491 edata->advertised = 0; 1492 edata->tx_lpi_enabled = 0; 1493 } 1494 1495 if (!bp->eee.eee_active) 1496 edata->lp_advertised = 0; 1497 1498 return 0; 1499 } 1500 1501 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr, 1502 u16 page_number, u16 start_addr, 1503 u16 data_length, u8 *buf) 1504 { 1505 struct hwrm_port_phy_i2c_read_input req = {0}; 1506 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 1507 int rc, byte_offset = 0; 1508 1509 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 1510 req.i2c_slave_addr = i2c_addr; 1511 req.page_number = cpu_to_le16(page_number); 1512 req.port_id = cpu_to_le16(bp->pf.port_id); 1513 do { 1514 u16 xfer_size; 1515 1516 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE); 1517 data_length -= xfer_size; 1518 req.page_offset = cpu_to_le16(start_addr + byte_offset); 1519 req.data_length = xfer_size; 1520 req.enables = cpu_to_le32(start_addr + byte_offset ? 1521 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0); 1522 mutex_lock(&bp->hwrm_cmd_lock); 1523 rc = _hwrm_send_message(bp, &req, sizeof(req), 1524 HWRM_CMD_TIMEOUT); 1525 if (!rc) 1526 memcpy(buf + byte_offset, output->data, xfer_size); 1527 mutex_unlock(&bp->hwrm_cmd_lock); 1528 byte_offset += xfer_size; 1529 } while (!rc && data_length > 0); 1530 1531 return rc; 1532 } 1533 1534 static int bnxt_get_module_info(struct net_device *dev, 1535 struct ethtool_modinfo *modinfo) 1536 { 1537 struct bnxt *bp = netdev_priv(dev); 1538 struct hwrm_port_phy_i2c_read_input req = {0}; 1539 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 1540 int rc; 1541 1542 /* No point in going further if phy status indicates 1543 * module is not inserted or if it is powered down or 1544 * if it is of type 10GBase-T 1545 */ 1546 if (bp->link_info.module_status > 1547 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG) 1548 return -EOPNOTSUPP; 1549 1550 /* This feature is not supported in older firmware versions */ 1551 if (bp->hwrm_spec_code < 0x10202) 1552 return -EOPNOTSUPP; 1553 1554 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 1555 req.i2c_slave_addr = I2C_DEV_ADDR_A0; 1556 req.page_number = 0; 1557 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR); 1558 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE; 1559 req.port_id = cpu_to_le16(bp->pf.port_id); 1560 mutex_lock(&bp->hwrm_cmd_lock); 1561 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1562 if (!rc) { 1563 u32 module_id = le32_to_cpu(output->data[0]); 1564 1565 switch (module_id) { 1566 case SFF_MODULE_ID_SFP: 1567 modinfo->type = ETH_MODULE_SFF_8472; 1568 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1569 break; 1570 case SFF_MODULE_ID_QSFP: 1571 case SFF_MODULE_ID_QSFP_PLUS: 1572 modinfo->type = ETH_MODULE_SFF_8436; 1573 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 1574 break; 1575 case SFF_MODULE_ID_QSFP28: 1576 modinfo->type = ETH_MODULE_SFF_8636; 1577 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 1578 break; 1579 default: 1580 rc = -EOPNOTSUPP; 1581 break; 1582 } 1583 } 1584 mutex_unlock(&bp->hwrm_cmd_lock); 1585 return rc; 1586 } 1587 1588 static int bnxt_get_module_eeprom(struct net_device *dev, 1589 struct ethtool_eeprom *eeprom, 1590 u8 *data) 1591 { 1592 struct bnxt *bp = netdev_priv(dev); 1593 u16 start = eeprom->offset, length = eeprom->len; 1594 int rc; 1595 1596 memset(data, 0, eeprom->len); 1597 1598 /* Read A0 portion of the EEPROM */ 1599 if (start < ETH_MODULE_SFF_8436_LEN) { 1600 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN) 1601 length = ETH_MODULE_SFF_8436_LEN - start; 1602 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 1603 start, length, data); 1604 if (rc) 1605 return rc; 1606 start += length; 1607 data += length; 1608 length = eeprom->len - length; 1609 } 1610 1611 /* Read A2 portion of the EEPROM */ 1612 if (length) { 1613 start -= ETH_MODULE_SFF_8436_LEN; 1614 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start, 1615 length, data); 1616 } 1617 return rc; 1618 } 1619 1620 const struct ethtool_ops bnxt_ethtool_ops = { 1621 .get_settings = bnxt_get_settings, 1622 .set_settings = bnxt_set_settings, 1623 .get_pauseparam = bnxt_get_pauseparam, 1624 .set_pauseparam = bnxt_set_pauseparam, 1625 .get_drvinfo = bnxt_get_drvinfo, 1626 .get_coalesce = bnxt_get_coalesce, 1627 .set_coalesce = bnxt_set_coalesce, 1628 .get_msglevel = bnxt_get_msglevel, 1629 .set_msglevel = bnxt_set_msglevel, 1630 .get_sset_count = bnxt_get_sset_count, 1631 .get_strings = bnxt_get_strings, 1632 .get_ethtool_stats = bnxt_get_ethtool_stats, 1633 .set_ringparam = bnxt_set_ringparam, 1634 .get_ringparam = bnxt_get_ringparam, 1635 .get_channels = bnxt_get_channels, 1636 .set_channels = bnxt_set_channels, 1637 #ifdef CONFIG_RFS_ACCEL 1638 .get_rxnfc = bnxt_get_rxnfc, 1639 #endif 1640 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size, 1641 .get_rxfh_key_size = bnxt_get_rxfh_key_size, 1642 .get_rxfh = bnxt_get_rxfh, 1643 .flash_device = bnxt_flash_device, 1644 .get_eeprom_len = bnxt_get_eeprom_len, 1645 .get_eeprom = bnxt_get_eeprom, 1646 .set_eeprom = bnxt_set_eeprom, 1647 .get_link = bnxt_get_link, 1648 .get_eee = bnxt_get_eee, 1649 .set_eee = bnxt_set_eee, 1650 .get_module_info = bnxt_get_module_info, 1651 .get_module_eeprom = bnxt_get_module_eeprom, 1652 }; 1653