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 #define FLASH_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200) 25 #define INSTALL_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200) 26 27 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen); 28 29 static u32 bnxt_get_msglevel(struct net_device *dev) 30 { 31 struct bnxt *bp = netdev_priv(dev); 32 33 return bp->msg_enable; 34 } 35 36 static void bnxt_set_msglevel(struct net_device *dev, u32 value) 37 { 38 struct bnxt *bp = netdev_priv(dev); 39 40 bp->msg_enable = value; 41 } 42 43 static int bnxt_get_coalesce(struct net_device *dev, 44 struct ethtool_coalesce *coal) 45 { 46 struct bnxt *bp = netdev_priv(dev); 47 48 memset(coal, 0, sizeof(*coal)); 49 50 coal->rx_coalesce_usecs = bp->rx_coal_ticks; 51 /* 2 completion records per rx packet */ 52 coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2; 53 coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq; 54 coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2; 55 56 coal->tx_coalesce_usecs = bp->tx_coal_ticks; 57 coal->tx_max_coalesced_frames = bp->tx_coal_bufs; 58 coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq; 59 coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq; 60 61 coal->stats_block_coalesce_usecs = bp->stats_coal_ticks; 62 63 return 0; 64 } 65 66 static int bnxt_set_coalesce(struct net_device *dev, 67 struct ethtool_coalesce *coal) 68 { 69 struct bnxt *bp = netdev_priv(dev); 70 bool update_stats = false; 71 int rc = 0; 72 73 bp->rx_coal_ticks = coal->rx_coalesce_usecs; 74 /* 2 completion records per rx packet */ 75 bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2; 76 bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq; 77 bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2; 78 79 bp->tx_coal_ticks = coal->tx_coalesce_usecs; 80 bp->tx_coal_bufs = coal->tx_max_coalesced_frames; 81 bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq; 82 bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq; 83 84 if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) { 85 u32 stats_ticks = coal->stats_block_coalesce_usecs; 86 87 stats_ticks = clamp_t(u32, stats_ticks, 88 BNXT_MIN_STATS_COAL_TICKS, 89 BNXT_MAX_STATS_COAL_TICKS); 90 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS); 91 bp->stats_coal_ticks = stats_ticks; 92 update_stats = true; 93 } 94 95 if (netif_running(dev)) { 96 if (update_stats) { 97 rc = bnxt_close_nic(bp, true, false); 98 if (!rc) 99 rc = bnxt_open_nic(bp, true, false); 100 } else { 101 rc = bnxt_hwrm_set_coal(bp); 102 } 103 } 104 105 return rc; 106 } 107 108 #define BNXT_NUM_STATS 21 109 110 #define BNXT_RX_STATS_OFFSET(counter) \ 111 (offsetof(struct rx_port_stats, counter) / 8) 112 113 #define BNXT_RX_STATS_ENTRY(counter) \ 114 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) } 115 116 #define BNXT_TX_STATS_OFFSET(counter) \ 117 ((offsetof(struct tx_port_stats, counter) + \ 118 sizeof(struct rx_port_stats) + 512) / 8) 119 120 #define BNXT_TX_STATS_ENTRY(counter) \ 121 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) } 122 123 static const struct { 124 long offset; 125 char string[ETH_GSTRING_LEN]; 126 } bnxt_port_stats_arr[] = { 127 BNXT_RX_STATS_ENTRY(rx_64b_frames), 128 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames), 129 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames), 130 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames), 131 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames), 132 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames), 133 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames), 134 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames), 135 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames), 136 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames), 137 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames), 138 BNXT_RX_STATS_ENTRY(rx_total_frames), 139 BNXT_RX_STATS_ENTRY(rx_ucast_frames), 140 BNXT_RX_STATS_ENTRY(rx_mcast_frames), 141 BNXT_RX_STATS_ENTRY(rx_bcast_frames), 142 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames), 143 BNXT_RX_STATS_ENTRY(rx_ctrl_frames), 144 BNXT_RX_STATS_ENTRY(rx_pause_frames), 145 BNXT_RX_STATS_ENTRY(rx_pfc_frames), 146 BNXT_RX_STATS_ENTRY(rx_align_err_frames), 147 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames), 148 BNXT_RX_STATS_ENTRY(rx_jbr_frames), 149 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames), 150 BNXT_RX_STATS_ENTRY(rx_tagged_frames), 151 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames), 152 BNXT_RX_STATS_ENTRY(rx_good_frames), 153 BNXT_RX_STATS_ENTRY(rx_undrsz_frames), 154 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events), 155 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration), 156 BNXT_RX_STATS_ENTRY(rx_bytes), 157 BNXT_RX_STATS_ENTRY(rx_runt_bytes), 158 BNXT_RX_STATS_ENTRY(rx_runt_frames), 159 160 BNXT_TX_STATS_ENTRY(tx_64b_frames), 161 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames), 162 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames), 163 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames), 164 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames), 165 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames), 166 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames), 167 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames), 168 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames), 169 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames), 170 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames), 171 BNXT_TX_STATS_ENTRY(tx_good_frames), 172 BNXT_TX_STATS_ENTRY(tx_total_frames), 173 BNXT_TX_STATS_ENTRY(tx_ucast_frames), 174 BNXT_TX_STATS_ENTRY(tx_mcast_frames), 175 BNXT_TX_STATS_ENTRY(tx_bcast_frames), 176 BNXT_TX_STATS_ENTRY(tx_pause_frames), 177 BNXT_TX_STATS_ENTRY(tx_pfc_frames), 178 BNXT_TX_STATS_ENTRY(tx_jabber_frames), 179 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames), 180 BNXT_TX_STATS_ENTRY(tx_err), 181 BNXT_TX_STATS_ENTRY(tx_fifo_underruns), 182 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events), 183 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration), 184 BNXT_TX_STATS_ENTRY(tx_total_collisions), 185 BNXT_TX_STATS_ENTRY(tx_bytes), 186 }; 187 188 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr) 189 190 static int bnxt_get_sset_count(struct net_device *dev, int sset) 191 { 192 struct bnxt *bp = netdev_priv(dev); 193 194 switch (sset) { 195 case ETH_SS_STATS: { 196 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings; 197 198 if (bp->flags & BNXT_FLAG_PORT_STATS) 199 num_stats += BNXT_NUM_PORT_STATS; 200 201 return num_stats; 202 } 203 default: 204 return -EOPNOTSUPP; 205 } 206 } 207 208 static void bnxt_get_ethtool_stats(struct net_device *dev, 209 struct ethtool_stats *stats, u64 *buf) 210 { 211 u32 i, j = 0; 212 struct bnxt *bp = netdev_priv(dev); 213 u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings; 214 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8; 215 216 memset(buf, 0, buf_size); 217 218 if (!bp->bnapi) 219 return; 220 221 for (i = 0; i < bp->cp_nr_rings; i++) { 222 struct bnxt_napi *bnapi = bp->bnapi[i]; 223 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; 224 __le64 *hw_stats = (__le64 *)cpr->hw_stats; 225 int k; 226 227 for (k = 0; k < stat_fields; j++, k++) 228 buf[j] = le64_to_cpu(hw_stats[k]); 229 buf[j++] = cpr->rx_l4_csum_errors; 230 } 231 if (bp->flags & BNXT_FLAG_PORT_STATS) { 232 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats; 233 234 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) { 235 buf[j] = le64_to_cpu(*(port_stats + 236 bnxt_port_stats_arr[i].offset)); 237 } 238 } 239 } 240 241 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 242 { 243 struct bnxt *bp = netdev_priv(dev); 244 u32 i; 245 246 switch (stringset) { 247 /* The number of strings must match BNXT_NUM_STATS defined above. */ 248 case ETH_SS_STATS: 249 for (i = 0; i < bp->cp_nr_rings; i++) { 250 sprintf(buf, "[%d]: rx_ucast_packets", i); 251 buf += ETH_GSTRING_LEN; 252 sprintf(buf, "[%d]: rx_mcast_packets", i); 253 buf += ETH_GSTRING_LEN; 254 sprintf(buf, "[%d]: rx_bcast_packets", i); 255 buf += ETH_GSTRING_LEN; 256 sprintf(buf, "[%d]: rx_discards", i); 257 buf += ETH_GSTRING_LEN; 258 sprintf(buf, "[%d]: rx_drops", i); 259 buf += ETH_GSTRING_LEN; 260 sprintf(buf, "[%d]: rx_ucast_bytes", i); 261 buf += ETH_GSTRING_LEN; 262 sprintf(buf, "[%d]: rx_mcast_bytes", i); 263 buf += ETH_GSTRING_LEN; 264 sprintf(buf, "[%d]: rx_bcast_bytes", i); 265 buf += ETH_GSTRING_LEN; 266 sprintf(buf, "[%d]: tx_ucast_packets", i); 267 buf += ETH_GSTRING_LEN; 268 sprintf(buf, "[%d]: tx_mcast_packets", i); 269 buf += ETH_GSTRING_LEN; 270 sprintf(buf, "[%d]: tx_bcast_packets", i); 271 buf += ETH_GSTRING_LEN; 272 sprintf(buf, "[%d]: tx_discards", i); 273 buf += ETH_GSTRING_LEN; 274 sprintf(buf, "[%d]: tx_drops", i); 275 buf += ETH_GSTRING_LEN; 276 sprintf(buf, "[%d]: tx_ucast_bytes", i); 277 buf += ETH_GSTRING_LEN; 278 sprintf(buf, "[%d]: tx_mcast_bytes", i); 279 buf += ETH_GSTRING_LEN; 280 sprintf(buf, "[%d]: tx_bcast_bytes", i); 281 buf += ETH_GSTRING_LEN; 282 sprintf(buf, "[%d]: tpa_packets", i); 283 buf += ETH_GSTRING_LEN; 284 sprintf(buf, "[%d]: tpa_bytes", i); 285 buf += ETH_GSTRING_LEN; 286 sprintf(buf, "[%d]: tpa_events", i); 287 buf += ETH_GSTRING_LEN; 288 sprintf(buf, "[%d]: tpa_aborts", i); 289 buf += ETH_GSTRING_LEN; 290 sprintf(buf, "[%d]: rx_l4_csum_errors", i); 291 buf += ETH_GSTRING_LEN; 292 } 293 if (bp->flags & BNXT_FLAG_PORT_STATS) { 294 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) { 295 strcpy(buf, bnxt_port_stats_arr[i].string); 296 buf += ETH_GSTRING_LEN; 297 } 298 } 299 break; 300 default: 301 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n", 302 stringset); 303 break; 304 } 305 } 306 307 static void bnxt_get_ringparam(struct net_device *dev, 308 struct ethtool_ringparam *ering) 309 { 310 struct bnxt *bp = netdev_priv(dev); 311 312 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT; 313 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT; 314 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT; 315 316 ering->rx_pending = bp->rx_ring_size; 317 ering->rx_jumbo_pending = bp->rx_agg_ring_size; 318 ering->tx_pending = bp->tx_ring_size; 319 } 320 321 static int bnxt_set_ringparam(struct net_device *dev, 322 struct ethtool_ringparam *ering) 323 { 324 struct bnxt *bp = netdev_priv(dev); 325 326 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) || 327 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) || 328 (ering->tx_pending <= MAX_SKB_FRAGS)) 329 return -EINVAL; 330 331 if (netif_running(dev)) 332 bnxt_close_nic(bp, false, false); 333 334 bp->rx_ring_size = ering->rx_pending; 335 bp->tx_ring_size = ering->tx_pending; 336 bnxt_set_ring_params(bp); 337 338 if (netif_running(dev)) 339 return bnxt_open_nic(bp, false, false); 340 341 return 0; 342 } 343 344 static void bnxt_get_channels(struct net_device *dev, 345 struct ethtool_channels *channel) 346 { 347 struct bnxt *bp = netdev_priv(dev); 348 int max_rx_rings, max_tx_rings, tcs; 349 350 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true); 351 channel->max_combined = max_t(int, max_rx_rings, max_tx_rings); 352 353 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) { 354 max_rx_rings = 0; 355 max_tx_rings = 0; 356 } 357 358 tcs = netdev_get_num_tc(dev); 359 if (tcs > 1) 360 max_tx_rings /= tcs; 361 362 channel->max_rx = max_rx_rings; 363 channel->max_tx = max_tx_rings; 364 channel->max_other = 0; 365 if (bp->flags & BNXT_FLAG_SHARED_RINGS) { 366 channel->combined_count = bp->rx_nr_rings; 367 if (BNXT_CHIP_TYPE_NITRO_A0(bp)) 368 channel->combined_count--; 369 } else { 370 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) { 371 channel->rx_count = bp->rx_nr_rings; 372 channel->tx_count = bp->tx_nr_rings_per_tc; 373 } 374 } 375 } 376 377 static int bnxt_set_channels(struct net_device *dev, 378 struct ethtool_channels *channel) 379 { 380 struct bnxt *bp = netdev_priv(dev); 381 int max_rx_rings, max_tx_rings, tcs; 382 u32 rc = 0; 383 bool sh = false; 384 385 if (channel->other_count) 386 return -EINVAL; 387 388 if (!channel->combined_count && 389 (!channel->rx_count || !channel->tx_count)) 390 return -EINVAL; 391 392 if (channel->combined_count && 393 (channel->rx_count || channel->tx_count)) 394 return -EINVAL; 395 396 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count || 397 channel->tx_count)) 398 return -EINVAL; 399 400 if (channel->combined_count) 401 sh = true; 402 403 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh); 404 405 tcs = netdev_get_num_tc(dev); 406 if (tcs > 1) 407 max_tx_rings /= tcs; 408 409 if (sh && 410 channel->combined_count > max_t(int, max_rx_rings, max_tx_rings)) 411 return -ENOMEM; 412 413 if (!sh && (channel->rx_count > max_rx_rings || 414 channel->tx_count > max_tx_rings)) 415 return -ENOMEM; 416 417 if (netif_running(dev)) { 418 if (BNXT_PF(bp)) { 419 /* TODO CHIMP_FW: Send message to all VF's 420 * before PF unload 421 */ 422 } 423 rc = bnxt_close_nic(bp, true, false); 424 if (rc) { 425 netdev_err(bp->dev, "Set channel failure rc :%x\n", 426 rc); 427 return rc; 428 } 429 } 430 431 if (sh) { 432 bp->flags |= BNXT_FLAG_SHARED_RINGS; 433 bp->rx_nr_rings = min_t(int, channel->combined_count, 434 max_rx_rings); 435 bp->tx_nr_rings_per_tc = min_t(int, channel->combined_count, 436 max_tx_rings); 437 } else { 438 bp->flags &= ~BNXT_FLAG_SHARED_RINGS; 439 bp->rx_nr_rings = channel->rx_count; 440 bp->tx_nr_rings_per_tc = channel->tx_count; 441 } 442 443 bp->tx_nr_rings = bp->tx_nr_rings_per_tc; 444 if (tcs > 1) 445 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs; 446 447 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : 448 bp->tx_nr_rings + bp->rx_nr_rings; 449 450 bp->num_stat_ctxs = bp->cp_nr_rings; 451 452 /* After changing number of rx channels, update NTUPLE feature. */ 453 netdev_update_features(dev); 454 if (netif_running(dev)) { 455 rc = bnxt_open_nic(bp, true, false); 456 if ((!rc) && BNXT_PF(bp)) { 457 /* TODO CHIMP_FW: Send message to all VF's 458 * to renable 459 */ 460 } 461 } 462 463 return rc; 464 } 465 466 #ifdef CONFIG_RFS_ACCEL 467 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd, 468 u32 *rule_locs) 469 { 470 int i, j = 0; 471 472 cmd->data = bp->ntp_fltr_count; 473 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 474 struct hlist_head *head; 475 struct bnxt_ntuple_filter *fltr; 476 477 head = &bp->ntp_fltr_hash_tbl[i]; 478 rcu_read_lock(); 479 hlist_for_each_entry_rcu(fltr, head, hash) { 480 if (j == cmd->rule_cnt) 481 break; 482 rule_locs[j++] = fltr->sw_id; 483 } 484 rcu_read_unlock(); 485 if (j == cmd->rule_cnt) 486 break; 487 } 488 cmd->rule_cnt = j; 489 return 0; 490 } 491 492 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd) 493 { 494 struct ethtool_rx_flow_spec *fs = 495 (struct ethtool_rx_flow_spec *)&cmd->fs; 496 struct bnxt_ntuple_filter *fltr; 497 struct flow_keys *fkeys; 498 int i, rc = -EINVAL; 499 500 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR) 501 return rc; 502 503 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 504 struct hlist_head *head; 505 506 head = &bp->ntp_fltr_hash_tbl[i]; 507 rcu_read_lock(); 508 hlist_for_each_entry_rcu(fltr, head, hash) { 509 if (fltr->sw_id == fs->location) 510 goto fltr_found; 511 } 512 rcu_read_unlock(); 513 } 514 return rc; 515 516 fltr_found: 517 fkeys = &fltr->fkeys; 518 if (fkeys->basic.ip_proto == IPPROTO_TCP) 519 fs->flow_type = TCP_V4_FLOW; 520 else if (fkeys->basic.ip_proto == IPPROTO_UDP) 521 fs->flow_type = UDP_V4_FLOW; 522 else 523 goto fltr_err; 524 525 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src; 526 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0); 527 528 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst; 529 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0); 530 531 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src; 532 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0); 533 534 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst; 535 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0); 536 537 fs->ring_cookie = fltr->rxq; 538 rc = 0; 539 540 fltr_err: 541 rcu_read_unlock(); 542 543 return rc; 544 } 545 #endif 546 547 static u64 get_ethtool_ipv4_rss(struct bnxt *bp) 548 { 549 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4) 550 return RXH_IP_SRC | RXH_IP_DST; 551 return 0; 552 } 553 554 static u64 get_ethtool_ipv6_rss(struct bnxt *bp) 555 { 556 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6) 557 return RXH_IP_SRC | RXH_IP_DST; 558 return 0; 559 } 560 561 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) 562 { 563 cmd->data = 0; 564 switch (cmd->flow_type) { 565 case TCP_V4_FLOW: 566 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4) 567 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 568 RXH_L4_B_0_1 | RXH_L4_B_2_3; 569 cmd->data |= get_ethtool_ipv4_rss(bp); 570 break; 571 case UDP_V4_FLOW: 572 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4) 573 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 574 RXH_L4_B_0_1 | RXH_L4_B_2_3; 575 /* fall through */ 576 case SCTP_V4_FLOW: 577 case AH_ESP_V4_FLOW: 578 case AH_V4_FLOW: 579 case ESP_V4_FLOW: 580 case IPV4_FLOW: 581 cmd->data |= get_ethtool_ipv4_rss(bp); 582 break; 583 584 case TCP_V6_FLOW: 585 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6) 586 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 587 RXH_L4_B_0_1 | RXH_L4_B_2_3; 588 cmd->data |= get_ethtool_ipv6_rss(bp); 589 break; 590 case UDP_V6_FLOW: 591 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6) 592 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 593 RXH_L4_B_0_1 | RXH_L4_B_2_3; 594 /* fall through */ 595 case SCTP_V6_FLOW: 596 case AH_ESP_V6_FLOW: 597 case AH_V6_FLOW: 598 case ESP_V6_FLOW: 599 case IPV6_FLOW: 600 cmd->data |= get_ethtool_ipv6_rss(bp); 601 break; 602 } 603 return 0; 604 } 605 606 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3) 607 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST) 608 609 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) 610 { 611 u32 rss_hash_cfg = bp->rss_hash_cfg; 612 int tuple, rc = 0; 613 614 if (cmd->data == RXH_4TUPLE) 615 tuple = 4; 616 else if (cmd->data == RXH_2TUPLE) 617 tuple = 2; 618 else if (!cmd->data) 619 tuple = 0; 620 else 621 return -EINVAL; 622 623 if (cmd->flow_type == TCP_V4_FLOW) { 624 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4; 625 if (tuple == 4) 626 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4; 627 } else if (cmd->flow_type == UDP_V4_FLOW) { 628 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP)) 629 return -EINVAL; 630 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4; 631 if (tuple == 4) 632 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4; 633 } else if (cmd->flow_type == TCP_V6_FLOW) { 634 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6; 635 if (tuple == 4) 636 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6; 637 } else if (cmd->flow_type == UDP_V6_FLOW) { 638 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP)) 639 return -EINVAL; 640 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6; 641 if (tuple == 4) 642 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6; 643 } else if (tuple == 4) { 644 return -EINVAL; 645 } 646 647 switch (cmd->flow_type) { 648 case TCP_V4_FLOW: 649 case UDP_V4_FLOW: 650 case SCTP_V4_FLOW: 651 case AH_ESP_V4_FLOW: 652 case AH_V4_FLOW: 653 case ESP_V4_FLOW: 654 case IPV4_FLOW: 655 if (tuple == 2) 656 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4; 657 else if (!tuple) 658 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4; 659 break; 660 661 case TCP_V6_FLOW: 662 case UDP_V6_FLOW: 663 case SCTP_V6_FLOW: 664 case AH_ESP_V6_FLOW: 665 case AH_V6_FLOW: 666 case ESP_V6_FLOW: 667 case IPV6_FLOW: 668 if (tuple == 2) 669 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6; 670 else if (!tuple) 671 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6; 672 break; 673 } 674 675 if (bp->rss_hash_cfg == rss_hash_cfg) 676 return 0; 677 678 bp->rss_hash_cfg = rss_hash_cfg; 679 if (netif_running(bp->dev)) { 680 bnxt_close_nic(bp, false, false); 681 rc = bnxt_open_nic(bp, false, false); 682 } 683 return rc; 684 } 685 686 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 687 u32 *rule_locs) 688 { 689 struct bnxt *bp = netdev_priv(dev); 690 int rc = 0; 691 692 switch (cmd->cmd) { 693 #ifdef CONFIG_RFS_ACCEL 694 case ETHTOOL_GRXRINGS: 695 cmd->data = bp->rx_nr_rings; 696 break; 697 698 case ETHTOOL_GRXCLSRLCNT: 699 cmd->rule_cnt = bp->ntp_fltr_count; 700 cmd->data = BNXT_NTP_FLTR_MAX_FLTR; 701 break; 702 703 case ETHTOOL_GRXCLSRLALL: 704 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs); 705 break; 706 707 case ETHTOOL_GRXCLSRULE: 708 rc = bnxt_grxclsrule(bp, cmd); 709 break; 710 #endif 711 712 case ETHTOOL_GRXFH: 713 rc = bnxt_grxfh(bp, cmd); 714 break; 715 716 default: 717 rc = -EOPNOTSUPP; 718 break; 719 } 720 721 return rc; 722 } 723 724 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 725 { 726 struct bnxt *bp = netdev_priv(dev); 727 int rc; 728 729 switch (cmd->cmd) { 730 case ETHTOOL_SRXFH: 731 rc = bnxt_srxfh(bp, cmd); 732 break; 733 734 default: 735 rc = -EOPNOTSUPP; 736 break; 737 } 738 return rc; 739 } 740 741 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev) 742 { 743 return HW_HASH_INDEX_SIZE; 744 } 745 746 static u32 bnxt_get_rxfh_key_size(struct net_device *dev) 747 { 748 return HW_HASH_KEY_SIZE; 749 } 750 751 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, 752 u8 *hfunc) 753 { 754 struct bnxt *bp = netdev_priv(dev); 755 struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; 756 int i = 0; 757 758 if (hfunc) 759 *hfunc = ETH_RSS_HASH_TOP; 760 761 if (indir) 762 for (i = 0; i < HW_HASH_INDEX_SIZE; i++) 763 indir[i] = le16_to_cpu(vnic->rss_table[i]); 764 765 if (key) 766 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE); 767 768 return 0; 769 } 770 771 static void bnxt_get_drvinfo(struct net_device *dev, 772 struct ethtool_drvinfo *info) 773 { 774 struct bnxt *bp = netdev_priv(dev); 775 char *pkglog; 776 char *pkgver = NULL; 777 778 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL); 779 if (pkglog) 780 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH); 781 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 782 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 783 if (pkgver && *pkgver != 0 && isdigit(*pkgver)) 784 snprintf(info->fw_version, sizeof(info->fw_version) - 1, 785 "%s pkg %s", bp->fw_ver_str, pkgver); 786 else 787 strlcpy(info->fw_version, bp->fw_ver_str, 788 sizeof(info->fw_version)); 789 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); 790 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings; 791 info->testinfo_len = BNXT_NUM_TESTS(bp); 792 /* TODO CHIMP_FW: eeprom dump details */ 793 info->eedump_len = 0; 794 /* TODO CHIMP FW: reg dump details */ 795 info->regdump_len = 0; 796 kfree(pkglog); 797 } 798 799 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause) 800 { 801 u32 speed_mask = 0; 802 803 /* TODO: support 25GB, 40GB, 50GB with different cable type */ 804 /* set the advertised speeds */ 805 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB) 806 speed_mask |= ADVERTISED_100baseT_Full; 807 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB) 808 speed_mask |= ADVERTISED_1000baseT_Full; 809 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB) 810 speed_mask |= ADVERTISED_2500baseX_Full; 811 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB) 812 speed_mask |= ADVERTISED_10000baseT_Full; 813 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB) 814 speed_mask |= ADVERTISED_40000baseCR4_Full; 815 816 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH) 817 speed_mask |= ADVERTISED_Pause; 818 else if (fw_pause & BNXT_LINK_PAUSE_TX) 819 speed_mask |= ADVERTISED_Asym_Pause; 820 else if (fw_pause & BNXT_LINK_PAUSE_RX) 821 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; 822 823 return speed_mask; 824 } 825 826 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\ 827 { \ 828 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \ 829 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 830 100baseT_Full); \ 831 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \ 832 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 833 1000baseT_Full); \ 834 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \ 835 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 836 10000baseT_Full); \ 837 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \ 838 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 839 25000baseCR_Full); \ 840 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \ 841 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 842 40000baseCR4_Full);\ 843 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \ 844 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 845 50000baseCR2_Full);\ 846 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \ 847 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 848 Pause); \ 849 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \ 850 ethtool_link_ksettings_add_link_mode( \ 851 lk_ksettings, name, Asym_Pause);\ 852 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \ 853 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 854 Asym_Pause); \ 855 } \ 856 } 857 858 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \ 859 { \ 860 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 861 100baseT_Full) || \ 862 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 863 100baseT_Half)) \ 864 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \ 865 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 866 1000baseT_Full) || \ 867 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 868 1000baseT_Half)) \ 869 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \ 870 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 871 10000baseT_Full)) \ 872 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \ 873 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 874 25000baseCR_Full)) \ 875 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \ 876 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 877 40000baseCR4_Full)) \ 878 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \ 879 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 880 50000baseCR2_Full)) \ 881 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \ 882 } 883 884 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info, 885 struct ethtool_link_ksettings *lk_ksettings) 886 { 887 u16 fw_speeds = link_info->auto_link_speeds; 888 u8 fw_pause = 0; 889 890 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 891 fw_pause = link_info->auto_pause_setting; 892 893 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising); 894 } 895 896 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info, 897 struct ethtool_link_ksettings *lk_ksettings) 898 { 899 u16 fw_speeds = link_info->lp_auto_link_speeds; 900 u8 fw_pause = 0; 901 902 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 903 fw_pause = link_info->lp_pause; 904 905 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, 906 lp_advertising); 907 } 908 909 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info, 910 struct ethtool_link_ksettings *lk_ksettings) 911 { 912 u16 fw_speeds = link_info->support_speeds; 913 914 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported); 915 916 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause); 917 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 918 Asym_Pause); 919 920 if (link_info->support_auto_speeds) 921 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 922 Autoneg); 923 } 924 925 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) 926 { 927 switch (fw_link_speed) { 928 case BNXT_LINK_SPEED_100MB: 929 return SPEED_100; 930 case BNXT_LINK_SPEED_1GB: 931 return SPEED_1000; 932 case BNXT_LINK_SPEED_2_5GB: 933 return SPEED_2500; 934 case BNXT_LINK_SPEED_10GB: 935 return SPEED_10000; 936 case BNXT_LINK_SPEED_20GB: 937 return SPEED_20000; 938 case BNXT_LINK_SPEED_25GB: 939 return SPEED_25000; 940 case BNXT_LINK_SPEED_40GB: 941 return SPEED_40000; 942 case BNXT_LINK_SPEED_50GB: 943 return SPEED_50000; 944 default: 945 return SPEED_UNKNOWN; 946 } 947 } 948 949 static int bnxt_get_link_ksettings(struct net_device *dev, 950 struct ethtool_link_ksettings *lk_ksettings) 951 { 952 struct bnxt *bp = netdev_priv(dev); 953 struct bnxt_link_info *link_info = &bp->link_info; 954 struct ethtool_link_settings *base = &lk_ksettings->base; 955 u32 ethtool_speed; 956 957 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported); 958 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings); 959 960 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising); 961 if (link_info->autoneg) { 962 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings); 963 ethtool_link_ksettings_add_link_mode(lk_ksettings, 964 advertising, Autoneg); 965 base->autoneg = AUTONEG_ENABLE; 966 if (link_info->phy_link_status == BNXT_LINK_LINK) 967 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings); 968 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); 969 if (!netif_carrier_ok(dev)) 970 base->duplex = DUPLEX_UNKNOWN; 971 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) 972 base->duplex = DUPLEX_FULL; 973 else 974 base->duplex = DUPLEX_HALF; 975 } else { 976 base->autoneg = AUTONEG_DISABLE; 977 ethtool_speed = 978 bnxt_fw_to_ethtool_speed(link_info->req_link_speed); 979 base->duplex = DUPLEX_HALF; 980 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL) 981 base->duplex = DUPLEX_FULL; 982 } 983 base->speed = ethtool_speed; 984 985 base->port = PORT_NONE; 986 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 987 base->port = PORT_TP; 988 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 989 TP); 990 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 991 TP); 992 } else { 993 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 994 FIBRE); 995 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 996 FIBRE); 997 998 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC) 999 base->port = PORT_DA; 1000 else if (link_info->media_type == 1001 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE) 1002 base->port = PORT_FIBRE; 1003 } 1004 base->phy_address = link_info->phy_addr; 1005 1006 return 0; 1007 } 1008 1009 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed) 1010 { 1011 struct bnxt *bp = netdev_priv(dev); 1012 struct bnxt_link_info *link_info = &bp->link_info; 1013 u16 support_spds = link_info->support_speeds; 1014 u32 fw_speed = 0; 1015 1016 switch (ethtool_speed) { 1017 case SPEED_100: 1018 if (support_spds & BNXT_LINK_SPEED_MSK_100MB) 1019 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB; 1020 break; 1021 case SPEED_1000: 1022 if (support_spds & BNXT_LINK_SPEED_MSK_1GB) 1023 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB; 1024 break; 1025 case SPEED_2500: 1026 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB) 1027 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB; 1028 break; 1029 case SPEED_10000: 1030 if (support_spds & BNXT_LINK_SPEED_MSK_10GB) 1031 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB; 1032 break; 1033 case SPEED_20000: 1034 if (support_spds & BNXT_LINK_SPEED_MSK_20GB) 1035 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB; 1036 break; 1037 case SPEED_25000: 1038 if (support_spds & BNXT_LINK_SPEED_MSK_25GB) 1039 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB; 1040 break; 1041 case SPEED_40000: 1042 if (support_spds & BNXT_LINK_SPEED_MSK_40GB) 1043 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB; 1044 break; 1045 case SPEED_50000: 1046 if (support_spds & BNXT_LINK_SPEED_MSK_50GB) 1047 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB; 1048 break; 1049 default: 1050 netdev_err(dev, "unsupported speed!\n"); 1051 break; 1052 } 1053 return fw_speed; 1054 } 1055 1056 u16 bnxt_get_fw_auto_link_speeds(u32 advertising) 1057 { 1058 u16 fw_speed_mask = 0; 1059 1060 /* only support autoneg at speed 100, 1000, and 10000 */ 1061 if (advertising & (ADVERTISED_100baseT_Full | 1062 ADVERTISED_100baseT_Half)) { 1063 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB; 1064 } 1065 if (advertising & (ADVERTISED_1000baseT_Full | 1066 ADVERTISED_1000baseT_Half)) { 1067 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB; 1068 } 1069 if (advertising & ADVERTISED_10000baseT_Full) 1070 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB; 1071 1072 if (advertising & ADVERTISED_40000baseCR4_Full) 1073 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB; 1074 1075 return fw_speed_mask; 1076 } 1077 1078 static int bnxt_set_link_ksettings(struct net_device *dev, 1079 const struct ethtool_link_ksettings *lk_ksettings) 1080 { 1081 struct bnxt *bp = netdev_priv(dev); 1082 struct bnxt_link_info *link_info = &bp->link_info; 1083 const struct ethtool_link_settings *base = &lk_ksettings->base; 1084 u32 speed, fw_advertising = 0; 1085 bool set_pause = false; 1086 int rc = 0; 1087 1088 if (!BNXT_SINGLE_PF(bp)) 1089 return -EOPNOTSUPP; 1090 1091 if (base->autoneg == AUTONEG_ENABLE) { 1092 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings, 1093 advertising); 1094 link_info->autoneg |= BNXT_AUTONEG_SPEED; 1095 if (!fw_advertising) 1096 link_info->advertising = link_info->support_auto_speeds; 1097 else 1098 link_info->advertising = fw_advertising; 1099 /* any change to autoneg will cause link change, therefore the 1100 * driver should put back the original pause setting in autoneg 1101 */ 1102 set_pause = true; 1103 } else { 1104 u16 fw_speed; 1105 u8 phy_type = link_info->phy_type; 1106 1107 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET || 1108 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE || 1109 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 1110 netdev_err(dev, "10GBase-T devices must autoneg\n"); 1111 rc = -EINVAL; 1112 goto set_setting_exit; 1113 } 1114 if (base->duplex == DUPLEX_HALF) { 1115 netdev_err(dev, "HALF DUPLEX is not supported!\n"); 1116 rc = -EINVAL; 1117 goto set_setting_exit; 1118 } 1119 speed = base->speed; 1120 fw_speed = bnxt_get_fw_speed(dev, speed); 1121 if (!fw_speed) { 1122 rc = -EINVAL; 1123 goto set_setting_exit; 1124 } 1125 link_info->req_link_speed = fw_speed; 1126 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL; 1127 link_info->autoneg = 0; 1128 link_info->advertising = 0; 1129 } 1130 1131 if (netif_running(dev)) 1132 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false); 1133 1134 set_setting_exit: 1135 return rc; 1136 } 1137 1138 static void bnxt_get_pauseparam(struct net_device *dev, 1139 struct ethtool_pauseparam *epause) 1140 { 1141 struct bnxt *bp = netdev_priv(dev); 1142 struct bnxt_link_info *link_info = &bp->link_info; 1143 1144 if (BNXT_VF(bp)) 1145 return; 1146 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL); 1147 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX); 1148 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX); 1149 } 1150 1151 static int bnxt_set_pauseparam(struct net_device *dev, 1152 struct ethtool_pauseparam *epause) 1153 { 1154 int rc = 0; 1155 struct bnxt *bp = netdev_priv(dev); 1156 struct bnxt_link_info *link_info = &bp->link_info; 1157 1158 if (!BNXT_SINGLE_PF(bp)) 1159 return -EOPNOTSUPP; 1160 1161 if (epause->autoneg) { 1162 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 1163 return -EINVAL; 1164 1165 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; 1166 if (bp->hwrm_spec_code >= 0x10201) 1167 link_info->req_flow_ctrl = 1168 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE; 1169 } else { 1170 /* when transition from auto pause to force pause, 1171 * force a link change 1172 */ 1173 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 1174 link_info->force_link_chng = true; 1175 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL; 1176 link_info->req_flow_ctrl = 0; 1177 } 1178 if (epause->rx_pause) 1179 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX; 1180 1181 if (epause->tx_pause) 1182 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX; 1183 1184 if (netif_running(dev)) 1185 rc = bnxt_hwrm_set_pause(bp); 1186 return rc; 1187 } 1188 1189 static u32 bnxt_get_link(struct net_device *dev) 1190 { 1191 struct bnxt *bp = netdev_priv(dev); 1192 1193 /* TODO: handle MF, VF, driver close case */ 1194 return bp->link_info.link_up; 1195 } 1196 1197 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1198 u16 ext, u16 *index, u32 *item_length, 1199 u32 *data_length); 1200 1201 static int bnxt_flash_nvram(struct net_device *dev, 1202 u16 dir_type, 1203 u16 dir_ordinal, 1204 u16 dir_ext, 1205 u16 dir_attr, 1206 const u8 *data, 1207 size_t data_len) 1208 { 1209 struct bnxt *bp = netdev_priv(dev); 1210 int rc; 1211 struct hwrm_nvm_write_input req = {0}; 1212 dma_addr_t dma_handle; 1213 u8 *kmem; 1214 1215 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1); 1216 1217 req.dir_type = cpu_to_le16(dir_type); 1218 req.dir_ordinal = cpu_to_le16(dir_ordinal); 1219 req.dir_ext = cpu_to_le16(dir_ext); 1220 req.dir_attr = cpu_to_le16(dir_attr); 1221 req.dir_data_length = cpu_to_le32(data_len); 1222 1223 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle, 1224 GFP_KERNEL); 1225 if (!kmem) { 1226 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1227 (unsigned)data_len); 1228 return -ENOMEM; 1229 } 1230 memcpy(kmem, data, data_len); 1231 req.host_src_addr = cpu_to_le64(dma_handle); 1232 1233 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT); 1234 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle); 1235 1236 return rc; 1237 } 1238 1239 static int bnxt_firmware_reset(struct net_device *dev, 1240 u16 dir_type) 1241 { 1242 struct bnxt *bp = netdev_priv(dev); 1243 struct hwrm_fw_reset_input req = {0}; 1244 1245 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); 1246 1247 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */ 1248 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */ 1249 /* (e.g. when firmware isn't already running) */ 1250 switch (dir_type) { 1251 case BNX_DIR_TYPE_CHIMP_PATCH: 1252 case BNX_DIR_TYPE_BOOTCODE: 1253 case BNX_DIR_TYPE_BOOTCODE_2: 1254 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT; 1255 /* Self-reset ChiMP upon next PCIe reset: */ 1256 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 1257 break; 1258 case BNX_DIR_TYPE_APE_FW: 1259 case BNX_DIR_TYPE_APE_PATCH: 1260 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT; 1261 /* Self-reset APE upon next PCIe reset: */ 1262 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 1263 break; 1264 case BNX_DIR_TYPE_KONG_FW: 1265 case BNX_DIR_TYPE_KONG_PATCH: 1266 req.embedded_proc_type = 1267 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL; 1268 break; 1269 case BNX_DIR_TYPE_BONO_FW: 1270 case BNX_DIR_TYPE_BONO_PATCH: 1271 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE; 1272 break; 1273 default: 1274 return -EINVAL; 1275 } 1276 1277 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1278 } 1279 1280 static int bnxt_flash_firmware(struct net_device *dev, 1281 u16 dir_type, 1282 const u8 *fw_data, 1283 size_t fw_size) 1284 { 1285 int rc = 0; 1286 u16 code_type; 1287 u32 stored_crc; 1288 u32 calculated_crc; 1289 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data; 1290 1291 switch (dir_type) { 1292 case BNX_DIR_TYPE_BOOTCODE: 1293 case BNX_DIR_TYPE_BOOTCODE_2: 1294 code_type = CODE_BOOT; 1295 break; 1296 case BNX_DIR_TYPE_CHIMP_PATCH: 1297 code_type = CODE_CHIMP_PATCH; 1298 break; 1299 case BNX_DIR_TYPE_APE_FW: 1300 code_type = CODE_MCTP_PASSTHRU; 1301 break; 1302 case BNX_DIR_TYPE_APE_PATCH: 1303 code_type = CODE_APE_PATCH; 1304 break; 1305 case BNX_DIR_TYPE_KONG_FW: 1306 code_type = CODE_KONG_FW; 1307 break; 1308 case BNX_DIR_TYPE_KONG_PATCH: 1309 code_type = CODE_KONG_PATCH; 1310 break; 1311 case BNX_DIR_TYPE_BONO_FW: 1312 code_type = CODE_BONO_FW; 1313 break; 1314 case BNX_DIR_TYPE_BONO_PATCH: 1315 code_type = CODE_BONO_PATCH; 1316 break; 1317 default: 1318 netdev_err(dev, "Unsupported directory entry type: %u\n", 1319 dir_type); 1320 return -EINVAL; 1321 } 1322 if (fw_size < sizeof(struct bnxt_fw_header)) { 1323 netdev_err(dev, "Invalid firmware file size: %u\n", 1324 (unsigned int)fw_size); 1325 return -EINVAL; 1326 } 1327 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) { 1328 netdev_err(dev, "Invalid firmware signature: %08X\n", 1329 le32_to_cpu(header->signature)); 1330 return -EINVAL; 1331 } 1332 if (header->code_type != code_type) { 1333 netdev_err(dev, "Expected firmware type: %d, read: %d\n", 1334 code_type, header->code_type); 1335 return -EINVAL; 1336 } 1337 if (header->device != DEVICE_CUMULUS_FAMILY) { 1338 netdev_err(dev, "Expected firmware device family %d, read: %d\n", 1339 DEVICE_CUMULUS_FAMILY, header->device); 1340 return -EINVAL; 1341 } 1342 /* Confirm the CRC32 checksum of the file: */ 1343 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1344 sizeof(stored_crc))); 1345 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1346 if (calculated_crc != stored_crc) { 1347 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n", 1348 (unsigned long)stored_crc, 1349 (unsigned long)calculated_crc); 1350 return -EINVAL; 1351 } 1352 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1353 0, 0, fw_data, fw_size); 1354 if (rc == 0) /* Firmware update successful */ 1355 rc = bnxt_firmware_reset(dev, dir_type); 1356 1357 return rc; 1358 } 1359 1360 static int bnxt_flash_microcode(struct net_device *dev, 1361 u16 dir_type, 1362 const u8 *fw_data, 1363 size_t fw_size) 1364 { 1365 struct bnxt_ucode_trailer *trailer; 1366 u32 calculated_crc; 1367 u32 stored_crc; 1368 int rc = 0; 1369 1370 if (fw_size < sizeof(struct bnxt_ucode_trailer)) { 1371 netdev_err(dev, "Invalid microcode file size: %u\n", 1372 (unsigned int)fw_size); 1373 return -EINVAL; 1374 } 1375 trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size - 1376 sizeof(*trailer))); 1377 if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) { 1378 netdev_err(dev, "Invalid microcode trailer signature: %08X\n", 1379 le32_to_cpu(trailer->sig)); 1380 return -EINVAL; 1381 } 1382 if (le16_to_cpu(trailer->dir_type) != dir_type) { 1383 netdev_err(dev, "Expected microcode type: %d, read: %d\n", 1384 dir_type, le16_to_cpu(trailer->dir_type)); 1385 return -EINVAL; 1386 } 1387 if (le16_to_cpu(trailer->trailer_length) < 1388 sizeof(struct bnxt_ucode_trailer)) { 1389 netdev_err(dev, "Invalid microcode trailer length: %d\n", 1390 le16_to_cpu(trailer->trailer_length)); 1391 return -EINVAL; 1392 } 1393 1394 /* Confirm the CRC32 checksum of the file: */ 1395 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1396 sizeof(stored_crc))); 1397 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1398 if (calculated_crc != stored_crc) { 1399 netdev_err(dev, 1400 "CRC32 (%08lX) does not match calculated: %08lX\n", 1401 (unsigned long)stored_crc, 1402 (unsigned long)calculated_crc); 1403 return -EINVAL; 1404 } 1405 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1406 0, 0, fw_data, fw_size); 1407 1408 return rc; 1409 } 1410 1411 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type) 1412 { 1413 switch (dir_type) { 1414 case BNX_DIR_TYPE_CHIMP_PATCH: 1415 case BNX_DIR_TYPE_BOOTCODE: 1416 case BNX_DIR_TYPE_BOOTCODE_2: 1417 case BNX_DIR_TYPE_APE_FW: 1418 case BNX_DIR_TYPE_APE_PATCH: 1419 case BNX_DIR_TYPE_KONG_FW: 1420 case BNX_DIR_TYPE_KONG_PATCH: 1421 case BNX_DIR_TYPE_BONO_FW: 1422 case BNX_DIR_TYPE_BONO_PATCH: 1423 return true; 1424 } 1425 1426 return false; 1427 } 1428 1429 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type) 1430 { 1431 switch (dir_type) { 1432 case BNX_DIR_TYPE_AVS: 1433 case BNX_DIR_TYPE_EXP_ROM_MBA: 1434 case BNX_DIR_TYPE_PCIE: 1435 case BNX_DIR_TYPE_TSCF_UCODE: 1436 case BNX_DIR_TYPE_EXT_PHY: 1437 case BNX_DIR_TYPE_CCM: 1438 case BNX_DIR_TYPE_ISCSI_BOOT: 1439 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6: 1440 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6: 1441 return true; 1442 } 1443 1444 return false; 1445 } 1446 1447 static bool bnxt_dir_type_is_executable(u16 dir_type) 1448 { 1449 return bnxt_dir_type_is_ape_bin_format(dir_type) || 1450 bnxt_dir_type_is_other_exec_format(dir_type); 1451 } 1452 1453 static int bnxt_flash_firmware_from_file(struct net_device *dev, 1454 u16 dir_type, 1455 const char *filename) 1456 { 1457 const struct firmware *fw; 1458 int rc; 1459 1460 rc = request_firmware(&fw, filename, &dev->dev); 1461 if (rc != 0) { 1462 netdev_err(dev, "Error %d requesting firmware file: %s\n", 1463 rc, filename); 1464 return rc; 1465 } 1466 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true) 1467 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size); 1468 else if (bnxt_dir_type_is_other_exec_format(dir_type) == true) 1469 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size); 1470 else 1471 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1472 0, 0, fw->data, fw->size); 1473 release_firmware(fw); 1474 return rc; 1475 } 1476 1477 static int bnxt_flash_package_from_file(struct net_device *dev, 1478 char *filename, u32 install_type) 1479 { 1480 struct bnxt *bp = netdev_priv(dev); 1481 struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr; 1482 struct hwrm_nvm_install_update_input install = {0}; 1483 const struct firmware *fw; 1484 u32 item_len; 1485 u16 index; 1486 int rc; 1487 1488 bnxt_hwrm_fw_set_time(bp); 1489 1490 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE, 1491 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1492 &index, &item_len, NULL) != 0) { 1493 netdev_err(dev, "PKG update area not created in nvram\n"); 1494 return -ENOBUFS; 1495 } 1496 1497 rc = request_firmware(&fw, filename, &dev->dev); 1498 if (rc != 0) { 1499 netdev_err(dev, "PKG error %d requesting file: %s\n", 1500 rc, filename); 1501 return rc; 1502 } 1503 1504 if (fw->size > item_len) { 1505 netdev_err(dev, "PKG insufficient update area in nvram: %lu", 1506 (unsigned long)fw->size); 1507 rc = -EFBIG; 1508 } else { 1509 dma_addr_t dma_handle; 1510 u8 *kmem; 1511 struct hwrm_nvm_modify_input modify = {0}; 1512 1513 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1); 1514 1515 modify.dir_idx = cpu_to_le16(index); 1516 modify.len = cpu_to_le32(fw->size); 1517 1518 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size, 1519 &dma_handle, GFP_KERNEL); 1520 if (!kmem) { 1521 netdev_err(dev, 1522 "dma_alloc_coherent failure, length = %u\n", 1523 (unsigned int)fw->size); 1524 rc = -ENOMEM; 1525 } else { 1526 memcpy(kmem, fw->data, fw->size); 1527 modify.host_src_addr = cpu_to_le64(dma_handle); 1528 1529 rc = hwrm_send_message(bp, &modify, sizeof(modify), 1530 FLASH_PACKAGE_TIMEOUT); 1531 dma_free_coherent(&bp->pdev->dev, fw->size, kmem, 1532 dma_handle); 1533 } 1534 } 1535 release_firmware(fw); 1536 if (rc) 1537 return rc; 1538 1539 if ((install_type & 0xffff) == 0) 1540 install_type >>= 16; 1541 bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1); 1542 install.install_type = cpu_to_le32(install_type); 1543 1544 rc = hwrm_send_message(bp, &install, sizeof(install), 1545 INSTALL_PACKAGE_TIMEOUT); 1546 if (rc) 1547 return -EOPNOTSUPP; 1548 1549 if (resp->result) { 1550 netdev_err(dev, "PKG install error = %d, problem_item = %d\n", 1551 (s8)resp->result, (int)resp->problem_item); 1552 return -ENOPKG; 1553 } 1554 return 0; 1555 } 1556 1557 static int bnxt_flash_device(struct net_device *dev, 1558 struct ethtool_flash *flash) 1559 { 1560 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) { 1561 netdev_err(dev, "flashdev not supported from a virtual function\n"); 1562 return -EINVAL; 1563 } 1564 1565 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS || 1566 flash->region > 0xffff) 1567 return bnxt_flash_package_from_file(dev, flash->data, 1568 flash->region); 1569 1570 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data); 1571 } 1572 1573 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length) 1574 { 1575 struct bnxt *bp = netdev_priv(dev); 1576 int rc; 1577 struct hwrm_nvm_get_dir_info_input req = {0}; 1578 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr; 1579 1580 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1); 1581 1582 mutex_lock(&bp->hwrm_cmd_lock); 1583 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1584 if (!rc) { 1585 *entries = le32_to_cpu(output->entries); 1586 *length = le32_to_cpu(output->entry_length); 1587 } 1588 mutex_unlock(&bp->hwrm_cmd_lock); 1589 return rc; 1590 } 1591 1592 static int bnxt_get_eeprom_len(struct net_device *dev) 1593 { 1594 /* The -1 return value allows the entire 32-bit range of offsets to be 1595 * passed via the ethtool command-line utility. 1596 */ 1597 return -1; 1598 } 1599 1600 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) 1601 { 1602 struct bnxt *bp = netdev_priv(dev); 1603 int rc; 1604 u32 dir_entries; 1605 u32 entry_length; 1606 u8 *buf; 1607 size_t buflen; 1608 dma_addr_t dma_handle; 1609 struct hwrm_nvm_get_dir_entries_input req = {0}; 1610 1611 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length); 1612 if (rc != 0) 1613 return rc; 1614 1615 /* Insert 2 bytes of directory info (count and size of entries) */ 1616 if (len < 2) 1617 return -EINVAL; 1618 1619 *data++ = dir_entries; 1620 *data++ = entry_length; 1621 len -= 2; 1622 memset(data, 0xff, len); 1623 1624 buflen = dir_entries * entry_length; 1625 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle, 1626 GFP_KERNEL); 1627 if (!buf) { 1628 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1629 (unsigned)buflen); 1630 return -ENOMEM; 1631 } 1632 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1); 1633 req.host_dest_addr = cpu_to_le64(dma_handle); 1634 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1635 if (rc == 0) 1636 memcpy(data, buf, len > buflen ? buflen : len); 1637 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle); 1638 return rc; 1639 } 1640 1641 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, 1642 u32 length, u8 *data) 1643 { 1644 struct bnxt *bp = netdev_priv(dev); 1645 int rc; 1646 u8 *buf; 1647 dma_addr_t dma_handle; 1648 struct hwrm_nvm_read_input req = {0}; 1649 1650 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle, 1651 GFP_KERNEL); 1652 if (!buf) { 1653 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1654 (unsigned)length); 1655 return -ENOMEM; 1656 } 1657 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1); 1658 req.host_dest_addr = cpu_to_le64(dma_handle); 1659 req.dir_idx = cpu_to_le16(index); 1660 req.offset = cpu_to_le32(offset); 1661 req.len = cpu_to_le32(length); 1662 1663 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1664 if (rc == 0) 1665 memcpy(data, buf, length); 1666 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle); 1667 return rc; 1668 } 1669 1670 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1671 u16 ext, u16 *index, u32 *item_length, 1672 u32 *data_length) 1673 { 1674 struct bnxt *bp = netdev_priv(dev); 1675 int rc; 1676 struct hwrm_nvm_find_dir_entry_input req = {0}; 1677 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr; 1678 1679 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1); 1680 req.enables = 0; 1681 req.dir_idx = 0; 1682 req.dir_type = cpu_to_le16(type); 1683 req.dir_ordinal = cpu_to_le16(ordinal); 1684 req.dir_ext = cpu_to_le16(ext); 1685 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ; 1686 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1687 if (rc == 0) { 1688 if (index) 1689 *index = le16_to_cpu(output->dir_idx); 1690 if (item_length) 1691 *item_length = le32_to_cpu(output->dir_item_length); 1692 if (data_length) 1693 *data_length = le32_to_cpu(output->dir_data_length); 1694 } 1695 return rc; 1696 } 1697 1698 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen) 1699 { 1700 char *retval = NULL; 1701 char *p; 1702 char *value; 1703 int field = 0; 1704 1705 if (datalen < 1) 1706 return NULL; 1707 /* null-terminate the log data (removing last '\n'): */ 1708 data[datalen - 1] = 0; 1709 for (p = data; *p != 0; p++) { 1710 field = 0; 1711 retval = NULL; 1712 while (*p != 0 && *p != '\n') { 1713 value = p; 1714 while (*p != 0 && *p != '\t' && *p != '\n') 1715 p++; 1716 if (field == desired_field) 1717 retval = value; 1718 if (*p != '\t') 1719 break; 1720 *p = 0; 1721 field++; 1722 p++; 1723 } 1724 if (*p == 0) 1725 break; 1726 *p = 0; 1727 } 1728 return retval; 1729 } 1730 1731 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen) 1732 { 1733 u16 index = 0; 1734 u32 datalen; 1735 1736 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG, 1737 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1738 &index, NULL, &datalen) != 0) 1739 return NULL; 1740 1741 memset(buf, 0, buflen); 1742 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0) 1743 return NULL; 1744 1745 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf, 1746 datalen); 1747 } 1748 1749 static int bnxt_get_eeprom(struct net_device *dev, 1750 struct ethtool_eeprom *eeprom, 1751 u8 *data) 1752 { 1753 u32 index; 1754 u32 offset; 1755 1756 if (eeprom->offset == 0) /* special offset value to get directory */ 1757 return bnxt_get_nvram_directory(dev, eeprom->len, data); 1758 1759 index = eeprom->offset >> 24; 1760 offset = eeprom->offset & 0xffffff; 1761 1762 if (index == 0) { 1763 netdev_err(dev, "unsupported index value: %d\n", index); 1764 return -EINVAL; 1765 } 1766 1767 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data); 1768 } 1769 1770 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index) 1771 { 1772 struct bnxt *bp = netdev_priv(dev); 1773 struct hwrm_nvm_erase_dir_entry_input req = {0}; 1774 1775 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1); 1776 req.dir_idx = cpu_to_le16(index); 1777 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1778 } 1779 1780 static int bnxt_set_eeprom(struct net_device *dev, 1781 struct ethtool_eeprom *eeprom, 1782 u8 *data) 1783 { 1784 struct bnxt *bp = netdev_priv(dev); 1785 u8 index, dir_op; 1786 u16 type, ext, ordinal, attr; 1787 1788 if (!BNXT_PF(bp)) { 1789 netdev_err(dev, "NVM write not supported from a virtual function\n"); 1790 return -EINVAL; 1791 } 1792 1793 type = eeprom->magic >> 16; 1794 1795 if (type == 0xffff) { /* special value for directory operations */ 1796 index = eeprom->magic & 0xff; 1797 dir_op = eeprom->magic >> 8; 1798 if (index == 0) 1799 return -EINVAL; 1800 switch (dir_op) { 1801 case 0x0e: /* erase */ 1802 if (eeprom->offset != ~eeprom->magic) 1803 return -EINVAL; 1804 return bnxt_erase_nvram_directory(dev, index - 1); 1805 default: 1806 return -EINVAL; 1807 } 1808 } 1809 1810 /* Create or re-write an NVM item: */ 1811 if (bnxt_dir_type_is_executable(type) == true) 1812 return -EOPNOTSUPP; 1813 ext = eeprom->magic & 0xffff; 1814 ordinal = eeprom->offset >> 16; 1815 attr = eeprom->offset & 0xffff; 1816 1817 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data, 1818 eeprom->len); 1819 } 1820 1821 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) 1822 { 1823 struct bnxt *bp = netdev_priv(dev); 1824 struct ethtool_eee *eee = &bp->eee; 1825 struct bnxt_link_info *link_info = &bp->link_info; 1826 u32 advertising = 1827 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); 1828 int rc = 0; 1829 1830 if (!BNXT_SINGLE_PF(bp)) 1831 return -EOPNOTSUPP; 1832 1833 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1834 return -EOPNOTSUPP; 1835 1836 if (!edata->eee_enabled) 1837 goto eee_ok; 1838 1839 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { 1840 netdev_warn(dev, "EEE requires autoneg\n"); 1841 return -EINVAL; 1842 } 1843 if (edata->tx_lpi_enabled) { 1844 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi || 1845 edata->tx_lpi_timer < bp->lpi_tmr_lo)) { 1846 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n", 1847 bp->lpi_tmr_lo, bp->lpi_tmr_hi); 1848 return -EINVAL; 1849 } else if (!bp->lpi_tmr_hi) { 1850 edata->tx_lpi_timer = eee->tx_lpi_timer; 1851 } 1852 } 1853 if (!edata->advertised) { 1854 edata->advertised = advertising & eee->supported; 1855 } else if (edata->advertised & ~advertising) { 1856 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n", 1857 edata->advertised, advertising); 1858 return -EINVAL; 1859 } 1860 1861 eee->advertised = edata->advertised; 1862 eee->tx_lpi_enabled = edata->tx_lpi_enabled; 1863 eee->tx_lpi_timer = edata->tx_lpi_timer; 1864 eee_ok: 1865 eee->eee_enabled = edata->eee_enabled; 1866 1867 if (netif_running(dev)) 1868 rc = bnxt_hwrm_set_link_setting(bp, false, true); 1869 1870 return rc; 1871 } 1872 1873 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata) 1874 { 1875 struct bnxt *bp = netdev_priv(dev); 1876 1877 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1878 return -EOPNOTSUPP; 1879 1880 *edata = bp->eee; 1881 if (!bp->eee.eee_enabled) { 1882 /* Preserve tx_lpi_timer so that the last value will be used 1883 * by default when it is re-enabled. 1884 */ 1885 edata->advertised = 0; 1886 edata->tx_lpi_enabled = 0; 1887 } 1888 1889 if (!bp->eee.eee_active) 1890 edata->lp_advertised = 0; 1891 1892 return 0; 1893 } 1894 1895 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr, 1896 u16 page_number, u16 start_addr, 1897 u16 data_length, u8 *buf) 1898 { 1899 struct hwrm_port_phy_i2c_read_input req = {0}; 1900 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 1901 int rc, byte_offset = 0; 1902 1903 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 1904 req.i2c_slave_addr = i2c_addr; 1905 req.page_number = cpu_to_le16(page_number); 1906 req.port_id = cpu_to_le16(bp->pf.port_id); 1907 do { 1908 u16 xfer_size; 1909 1910 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE); 1911 data_length -= xfer_size; 1912 req.page_offset = cpu_to_le16(start_addr + byte_offset); 1913 req.data_length = xfer_size; 1914 req.enables = cpu_to_le32(start_addr + byte_offset ? 1915 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0); 1916 mutex_lock(&bp->hwrm_cmd_lock); 1917 rc = _hwrm_send_message(bp, &req, sizeof(req), 1918 HWRM_CMD_TIMEOUT); 1919 if (!rc) 1920 memcpy(buf + byte_offset, output->data, xfer_size); 1921 mutex_unlock(&bp->hwrm_cmd_lock); 1922 byte_offset += xfer_size; 1923 } while (!rc && data_length > 0); 1924 1925 return rc; 1926 } 1927 1928 static int bnxt_get_module_info(struct net_device *dev, 1929 struct ethtool_modinfo *modinfo) 1930 { 1931 struct bnxt *bp = netdev_priv(dev); 1932 struct hwrm_port_phy_i2c_read_input req = {0}; 1933 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 1934 int rc; 1935 1936 /* No point in going further if phy status indicates 1937 * module is not inserted or if it is powered down or 1938 * if it is of type 10GBase-T 1939 */ 1940 if (bp->link_info.module_status > 1941 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG) 1942 return -EOPNOTSUPP; 1943 1944 /* This feature is not supported in older firmware versions */ 1945 if (bp->hwrm_spec_code < 0x10202) 1946 return -EOPNOTSUPP; 1947 1948 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 1949 req.i2c_slave_addr = I2C_DEV_ADDR_A0; 1950 req.page_number = 0; 1951 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR); 1952 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE; 1953 req.port_id = cpu_to_le16(bp->pf.port_id); 1954 mutex_lock(&bp->hwrm_cmd_lock); 1955 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1956 if (!rc) { 1957 u32 module_id = le32_to_cpu(output->data[0]); 1958 1959 switch (module_id) { 1960 case SFF_MODULE_ID_SFP: 1961 modinfo->type = ETH_MODULE_SFF_8472; 1962 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1963 break; 1964 case SFF_MODULE_ID_QSFP: 1965 case SFF_MODULE_ID_QSFP_PLUS: 1966 modinfo->type = ETH_MODULE_SFF_8436; 1967 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 1968 break; 1969 case SFF_MODULE_ID_QSFP28: 1970 modinfo->type = ETH_MODULE_SFF_8636; 1971 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 1972 break; 1973 default: 1974 rc = -EOPNOTSUPP; 1975 break; 1976 } 1977 } 1978 mutex_unlock(&bp->hwrm_cmd_lock); 1979 return rc; 1980 } 1981 1982 static int bnxt_get_module_eeprom(struct net_device *dev, 1983 struct ethtool_eeprom *eeprom, 1984 u8 *data) 1985 { 1986 struct bnxt *bp = netdev_priv(dev); 1987 u16 start = eeprom->offset, length = eeprom->len; 1988 int rc = 0; 1989 1990 memset(data, 0, eeprom->len); 1991 1992 /* Read A0 portion of the EEPROM */ 1993 if (start < ETH_MODULE_SFF_8436_LEN) { 1994 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN) 1995 length = ETH_MODULE_SFF_8436_LEN - start; 1996 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 1997 start, length, data); 1998 if (rc) 1999 return rc; 2000 start += length; 2001 data += length; 2002 length = eeprom->len - length; 2003 } 2004 2005 /* Read A2 portion of the EEPROM */ 2006 if (length) { 2007 start -= ETH_MODULE_SFF_8436_LEN; 2008 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start, 2009 length, data); 2010 } 2011 return rc; 2012 } 2013 2014 static int bnxt_nway_reset(struct net_device *dev) 2015 { 2016 int rc = 0; 2017 2018 struct bnxt *bp = netdev_priv(dev); 2019 struct bnxt_link_info *link_info = &bp->link_info; 2020 2021 if (!BNXT_SINGLE_PF(bp)) 2022 return -EOPNOTSUPP; 2023 2024 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 2025 return -EINVAL; 2026 2027 if (netif_running(dev)) 2028 rc = bnxt_hwrm_set_link_setting(bp, true, false); 2029 2030 return rc; 2031 } 2032 2033 const struct ethtool_ops bnxt_ethtool_ops = { 2034 .get_link_ksettings = bnxt_get_link_ksettings, 2035 .set_link_ksettings = bnxt_set_link_ksettings, 2036 .get_pauseparam = bnxt_get_pauseparam, 2037 .set_pauseparam = bnxt_set_pauseparam, 2038 .get_drvinfo = bnxt_get_drvinfo, 2039 .get_coalesce = bnxt_get_coalesce, 2040 .set_coalesce = bnxt_set_coalesce, 2041 .get_msglevel = bnxt_get_msglevel, 2042 .set_msglevel = bnxt_set_msglevel, 2043 .get_sset_count = bnxt_get_sset_count, 2044 .get_strings = bnxt_get_strings, 2045 .get_ethtool_stats = bnxt_get_ethtool_stats, 2046 .set_ringparam = bnxt_set_ringparam, 2047 .get_ringparam = bnxt_get_ringparam, 2048 .get_channels = bnxt_get_channels, 2049 .set_channels = bnxt_set_channels, 2050 .get_rxnfc = bnxt_get_rxnfc, 2051 .set_rxnfc = bnxt_set_rxnfc, 2052 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size, 2053 .get_rxfh_key_size = bnxt_get_rxfh_key_size, 2054 .get_rxfh = bnxt_get_rxfh, 2055 .flash_device = bnxt_flash_device, 2056 .get_eeprom_len = bnxt_get_eeprom_len, 2057 .get_eeprom = bnxt_get_eeprom, 2058 .set_eeprom = bnxt_set_eeprom, 2059 .get_link = bnxt_get_link, 2060 .get_eee = bnxt_get_eee, 2061 .set_eee = bnxt_set_eee, 2062 .get_module_info = bnxt_get_module_info, 2063 .get_module_eeprom = bnxt_get_module_eeprom, 2064 .nway_reset = bnxt_nway_reset 2065 }; 2066