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 } 545 546 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 547 u32 *rule_locs) 548 { 549 struct bnxt *bp = netdev_priv(dev); 550 int rc = 0; 551 552 switch (cmd->cmd) { 553 case ETHTOOL_GRXRINGS: 554 cmd->data = bp->rx_nr_rings; 555 break; 556 557 case ETHTOOL_GRXCLSRLCNT: 558 cmd->rule_cnt = bp->ntp_fltr_count; 559 cmd->data = BNXT_NTP_FLTR_MAX_FLTR; 560 break; 561 562 case ETHTOOL_GRXCLSRLALL: 563 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs); 564 break; 565 566 case ETHTOOL_GRXCLSRULE: 567 rc = bnxt_grxclsrule(bp, cmd); 568 break; 569 570 default: 571 rc = -EOPNOTSUPP; 572 break; 573 } 574 575 return rc; 576 } 577 #endif 578 579 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev) 580 { 581 return HW_HASH_INDEX_SIZE; 582 } 583 584 static u32 bnxt_get_rxfh_key_size(struct net_device *dev) 585 { 586 return HW_HASH_KEY_SIZE; 587 } 588 589 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, 590 u8 *hfunc) 591 { 592 struct bnxt *bp = netdev_priv(dev); 593 struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; 594 int i = 0; 595 596 if (hfunc) 597 *hfunc = ETH_RSS_HASH_TOP; 598 599 if (indir) 600 for (i = 0; i < HW_HASH_INDEX_SIZE; i++) 601 indir[i] = le16_to_cpu(vnic->rss_table[i]); 602 603 if (key) 604 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE); 605 606 return 0; 607 } 608 609 static void bnxt_get_drvinfo(struct net_device *dev, 610 struct ethtool_drvinfo *info) 611 { 612 struct bnxt *bp = netdev_priv(dev); 613 char *pkglog; 614 char *pkgver = NULL; 615 616 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL); 617 if (pkglog) 618 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH); 619 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 620 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 621 if (pkgver && *pkgver != 0 && isdigit(*pkgver)) 622 snprintf(info->fw_version, sizeof(info->fw_version) - 1, 623 "%s pkg %s", bp->fw_ver_str, pkgver); 624 else 625 strlcpy(info->fw_version, bp->fw_ver_str, 626 sizeof(info->fw_version)); 627 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); 628 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings; 629 info->testinfo_len = BNXT_NUM_TESTS(bp); 630 /* TODO CHIMP_FW: eeprom dump details */ 631 info->eedump_len = 0; 632 /* TODO CHIMP FW: reg dump details */ 633 info->regdump_len = 0; 634 kfree(pkglog); 635 } 636 637 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause) 638 { 639 u32 speed_mask = 0; 640 641 /* TODO: support 25GB, 40GB, 50GB with different cable type */ 642 /* set the advertised speeds */ 643 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB) 644 speed_mask |= ADVERTISED_100baseT_Full; 645 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB) 646 speed_mask |= ADVERTISED_1000baseT_Full; 647 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB) 648 speed_mask |= ADVERTISED_2500baseX_Full; 649 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB) 650 speed_mask |= ADVERTISED_10000baseT_Full; 651 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB) 652 speed_mask |= ADVERTISED_40000baseCR4_Full; 653 654 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH) 655 speed_mask |= ADVERTISED_Pause; 656 else if (fw_pause & BNXT_LINK_PAUSE_TX) 657 speed_mask |= ADVERTISED_Asym_Pause; 658 else if (fw_pause & BNXT_LINK_PAUSE_RX) 659 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; 660 661 return speed_mask; 662 } 663 664 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\ 665 { \ 666 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \ 667 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 668 100baseT_Full); \ 669 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \ 670 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 671 1000baseT_Full); \ 672 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \ 673 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 674 10000baseT_Full); \ 675 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \ 676 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 677 25000baseCR_Full); \ 678 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \ 679 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 680 40000baseCR4_Full);\ 681 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \ 682 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 683 50000baseCR2_Full);\ 684 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \ 685 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 686 Pause); \ 687 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \ 688 ethtool_link_ksettings_add_link_mode( \ 689 lk_ksettings, name, Asym_Pause);\ 690 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \ 691 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 692 Asym_Pause); \ 693 } \ 694 } 695 696 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \ 697 { \ 698 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 699 100baseT_Full) || \ 700 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 701 100baseT_Half)) \ 702 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \ 703 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 704 1000baseT_Full) || \ 705 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 706 1000baseT_Half)) \ 707 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \ 708 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 709 10000baseT_Full)) \ 710 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \ 711 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 712 25000baseCR_Full)) \ 713 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \ 714 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 715 40000baseCR4_Full)) \ 716 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \ 717 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 718 50000baseCR2_Full)) \ 719 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \ 720 } 721 722 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info, 723 struct ethtool_link_ksettings *lk_ksettings) 724 { 725 u16 fw_speeds = link_info->auto_link_speeds; 726 u8 fw_pause = 0; 727 728 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 729 fw_pause = link_info->auto_pause_setting; 730 731 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising); 732 } 733 734 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info, 735 struct ethtool_link_ksettings *lk_ksettings) 736 { 737 u16 fw_speeds = link_info->lp_auto_link_speeds; 738 u8 fw_pause = 0; 739 740 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 741 fw_pause = link_info->lp_pause; 742 743 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, 744 lp_advertising); 745 } 746 747 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info, 748 struct ethtool_link_ksettings *lk_ksettings) 749 { 750 u16 fw_speeds = link_info->support_speeds; 751 752 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported); 753 754 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause); 755 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 756 Asym_Pause); 757 758 if (link_info->support_auto_speeds) 759 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 760 Autoneg); 761 } 762 763 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) 764 { 765 switch (fw_link_speed) { 766 case BNXT_LINK_SPEED_100MB: 767 return SPEED_100; 768 case BNXT_LINK_SPEED_1GB: 769 return SPEED_1000; 770 case BNXT_LINK_SPEED_2_5GB: 771 return SPEED_2500; 772 case BNXT_LINK_SPEED_10GB: 773 return SPEED_10000; 774 case BNXT_LINK_SPEED_20GB: 775 return SPEED_20000; 776 case BNXT_LINK_SPEED_25GB: 777 return SPEED_25000; 778 case BNXT_LINK_SPEED_40GB: 779 return SPEED_40000; 780 case BNXT_LINK_SPEED_50GB: 781 return SPEED_50000; 782 default: 783 return SPEED_UNKNOWN; 784 } 785 } 786 787 static int bnxt_get_link_ksettings(struct net_device *dev, 788 struct ethtool_link_ksettings *lk_ksettings) 789 { 790 struct bnxt *bp = netdev_priv(dev); 791 struct bnxt_link_info *link_info = &bp->link_info; 792 struct ethtool_link_settings *base = &lk_ksettings->base; 793 u32 ethtool_speed; 794 795 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported); 796 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings); 797 798 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising); 799 if (link_info->autoneg) { 800 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings); 801 ethtool_link_ksettings_add_link_mode(lk_ksettings, 802 advertising, Autoneg); 803 base->autoneg = AUTONEG_ENABLE; 804 if (link_info->phy_link_status == BNXT_LINK_LINK) 805 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings); 806 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); 807 if (!netif_carrier_ok(dev)) 808 base->duplex = DUPLEX_UNKNOWN; 809 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) 810 base->duplex = DUPLEX_FULL; 811 else 812 base->duplex = DUPLEX_HALF; 813 } else { 814 base->autoneg = AUTONEG_DISABLE; 815 ethtool_speed = 816 bnxt_fw_to_ethtool_speed(link_info->req_link_speed); 817 base->duplex = DUPLEX_HALF; 818 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL) 819 base->duplex = DUPLEX_FULL; 820 } 821 base->speed = ethtool_speed; 822 823 base->port = PORT_NONE; 824 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 825 base->port = PORT_TP; 826 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 827 TP); 828 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 829 TP); 830 } else { 831 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 832 FIBRE); 833 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 834 FIBRE); 835 836 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC) 837 base->port = PORT_DA; 838 else if (link_info->media_type == 839 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE) 840 base->port = PORT_FIBRE; 841 } 842 base->phy_address = link_info->phy_addr; 843 844 return 0; 845 } 846 847 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed) 848 { 849 struct bnxt *bp = netdev_priv(dev); 850 struct bnxt_link_info *link_info = &bp->link_info; 851 u16 support_spds = link_info->support_speeds; 852 u32 fw_speed = 0; 853 854 switch (ethtool_speed) { 855 case SPEED_100: 856 if (support_spds & BNXT_LINK_SPEED_MSK_100MB) 857 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB; 858 break; 859 case SPEED_1000: 860 if (support_spds & BNXT_LINK_SPEED_MSK_1GB) 861 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB; 862 break; 863 case SPEED_2500: 864 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB) 865 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB; 866 break; 867 case SPEED_10000: 868 if (support_spds & BNXT_LINK_SPEED_MSK_10GB) 869 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB; 870 break; 871 case SPEED_20000: 872 if (support_spds & BNXT_LINK_SPEED_MSK_20GB) 873 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB; 874 break; 875 case SPEED_25000: 876 if (support_spds & BNXT_LINK_SPEED_MSK_25GB) 877 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB; 878 break; 879 case SPEED_40000: 880 if (support_spds & BNXT_LINK_SPEED_MSK_40GB) 881 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB; 882 break; 883 case SPEED_50000: 884 if (support_spds & BNXT_LINK_SPEED_MSK_50GB) 885 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB; 886 break; 887 default: 888 netdev_err(dev, "unsupported speed!\n"); 889 break; 890 } 891 return fw_speed; 892 } 893 894 u16 bnxt_get_fw_auto_link_speeds(u32 advertising) 895 { 896 u16 fw_speed_mask = 0; 897 898 /* only support autoneg at speed 100, 1000, and 10000 */ 899 if (advertising & (ADVERTISED_100baseT_Full | 900 ADVERTISED_100baseT_Half)) { 901 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB; 902 } 903 if (advertising & (ADVERTISED_1000baseT_Full | 904 ADVERTISED_1000baseT_Half)) { 905 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB; 906 } 907 if (advertising & ADVERTISED_10000baseT_Full) 908 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB; 909 910 if (advertising & ADVERTISED_40000baseCR4_Full) 911 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB; 912 913 return fw_speed_mask; 914 } 915 916 static int bnxt_set_link_ksettings(struct net_device *dev, 917 const struct ethtool_link_ksettings *lk_ksettings) 918 { 919 struct bnxt *bp = netdev_priv(dev); 920 struct bnxt_link_info *link_info = &bp->link_info; 921 const struct ethtool_link_settings *base = &lk_ksettings->base; 922 u32 speed, fw_advertising = 0; 923 bool set_pause = false; 924 int rc = 0; 925 926 if (!BNXT_SINGLE_PF(bp)) 927 return -EOPNOTSUPP; 928 929 if (base->autoneg == AUTONEG_ENABLE) { 930 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings, 931 advertising); 932 link_info->autoneg |= BNXT_AUTONEG_SPEED; 933 if (!fw_advertising) 934 link_info->advertising = link_info->support_auto_speeds; 935 else 936 link_info->advertising = fw_advertising; 937 /* any change to autoneg will cause link change, therefore the 938 * driver should put back the original pause setting in autoneg 939 */ 940 set_pause = true; 941 } else { 942 u16 fw_speed; 943 u8 phy_type = link_info->phy_type; 944 945 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET || 946 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE || 947 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 948 netdev_err(dev, "10GBase-T devices must autoneg\n"); 949 rc = -EINVAL; 950 goto set_setting_exit; 951 } 952 if (base->duplex == DUPLEX_HALF) { 953 netdev_err(dev, "HALF DUPLEX is not supported!\n"); 954 rc = -EINVAL; 955 goto set_setting_exit; 956 } 957 speed = base->speed; 958 fw_speed = bnxt_get_fw_speed(dev, speed); 959 if (!fw_speed) { 960 rc = -EINVAL; 961 goto set_setting_exit; 962 } 963 link_info->req_link_speed = fw_speed; 964 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL; 965 link_info->autoneg = 0; 966 link_info->advertising = 0; 967 } 968 969 if (netif_running(dev)) 970 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false); 971 972 set_setting_exit: 973 return rc; 974 } 975 976 static void bnxt_get_pauseparam(struct net_device *dev, 977 struct ethtool_pauseparam *epause) 978 { 979 struct bnxt *bp = netdev_priv(dev); 980 struct bnxt_link_info *link_info = &bp->link_info; 981 982 if (BNXT_VF(bp)) 983 return; 984 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL); 985 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX); 986 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX); 987 } 988 989 static int bnxt_set_pauseparam(struct net_device *dev, 990 struct ethtool_pauseparam *epause) 991 { 992 int rc = 0; 993 struct bnxt *bp = netdev_priv(dev); 994 struct bnxt_link_info *link_info = &bp->link_info; 995 996 if (!BNXT_SINGLE_PF(bp)) 997 return -EOPNOTSUPP; 998 999 if (epause->autoneg) { 1000 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 1001 return -EINVAL; 1002 1003 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; 1004 if (bp->hwrm_spec_code >= 0x10201) 1005 link_info->req_flow_ctrl = 1006 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE; 1007 } else { 1008 /* when transition from auto pause to force pause, 1009 * force a link change 1010 */ 1011 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 1012 link_info->force_link_chng = true; 1013 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL; 1014 link_info->req_flow_ctrl = 0; 1015 } 1016 if (epause->rx_pause) 1017 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX; 1018 1019 if (epause->tx_pause) 1020 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX; 1021 1022 if (netif_running(dev)) 1023 rc = bnxt_hwrm_set_pause(bp); 1024 return rc; 1025 } 1026 1027 static u32 bnxt_get_link(struct net_device *dev) 1028 { 1029 struct bnxt *bp = netdev_priv(dev); 1030 1031 /* TODO: handle MF, VF, driver close case */ 1032 return bp->link_info.link_up; 1033 } 1034 1035 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1036 u16 ext, u16 *index, u32 *item_length, 1037 u32 *data_length); 1038 1039 static int bnxt_flash_nvram(struct net_device *dev, 1040 u16 dir_type, 1041 u16 dir_ordinal, 1042 u16 dir_ext, 1043 u16 dir_attr, 1044 const u8 *data, 1045 size_t data_len) 1046 { 1047 struct bnxt *bp = netdev_priv(dev); 1048 int rc; 1049 struct hwrm_nvm_write_input req = {0}; 1050 dma_addr_t dma_handle; 1051 u8 *kmem; 1052 1053 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1); 1054 1055 req.dir_type = cpu_to_le16(dir_type); 1056 req.dir_ordinal = cpu_to_le16(dir_ordinal); 1057 req.dir_ext = cpu_to_le16(dir_ext); 1058 req.dir_attr = cpu_to_le16(dir_attr); 1059 req.dir_data_length = cpu_to_le32(data_len); 1060 1061 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle, 1062 GFP_KERNEL); 1063 if (!kmem) { 1064 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1065 (unsigned)data_len); 1066 return -ENOMEM; 1067 } 1068 memcpy(kmem, data, data_len); 1069 req.host_src_addr = cpu_to_le64(dma_handle); 1070 1071 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT); 1072 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle); 1073 1074 return rc; 1075 } 1076 1077 static int bnxt_firmware_reset(struct net_device *dev, 1078 u16 dir_type) 1079 { 1080 struct bnxt *bp = netdev_priv(dev); 1081 struct hwrm_fw_reset_input req = {0}; 1082 1083 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); 1084 1085 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */ 1086 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */ 1087 /* (e.g. when firmware isn't already running) */ 1088 switch (dir_type) { 1089 case BNX_DIR_TYPE_CHIMP_PATCH: 1090 case BNX_DIR_TYPE_BOOTCODE: 1091 case BNX_DIR_TYPE_BOOTCODE_2: 1092 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT; 1093 /* Self-reset ChiMP upon next PCIe reset: */ 1094 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 1095 break; 1096 case BNX_DIR_TYPE_APE_FW: 1097 case BNX_DIR_TYPE_APE_PATCH: 1098 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT; 1099 /* Self-reset APE upon next PCIe reset: */ 1100 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 1101 break; 1102 case BNX_DIR_TYPE_KONG_FW: 1103 case BNX_DIR_TYPE_KONG_PATCH: 1104 req.embedded_proc_type = 1105 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL; 1106 break; 1107 case BNX_DIR_TYPE_BONO_FW: 1108 case BNX_DIR_TYPE_BONO_PATCH: 1109 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE; 1110 break; 1111 default: 1112 return -EINVAL; 1113 } 1114 1115 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1116 } 1117 1118 static int bnxt_flash_firmware(struct net_device *dev, 1119 u16 dir_type, 1120 const u8 *fw_data, 1121 size_t fw_size) 1122 { 1123 int rc = 0; 1124 u16 code_type; 1125 u32 stored_crc; 1126 u32 calculated_crc; 1127 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data; 1128 1129 switch (dir_type) { 1130 case BNX_DIR_TYPE_BOOTCODE: 1131 case BNX_DIR_TYPE_BOOTCODE_2: 1132 code_type = CODE_BOOT; 1133 break; 1134 case BNX_DIR_TYPE_CHIMP_PATCH: 1135 code_type = CODE_CHIMP_PATCH; 1136 break; 1137 case BNX_DIR_TYPE_APE_FW: 1138 code_type = CODE_MCTP_PASSTHRU; 1139 break; 1140 case BNX_DIR_TYPE_APE_PATCH: 1141 code_type = CODE_APE_PATCH; 1142 break; 1143 case BNX_DIR_TYPE_KONG_FW: 1144 code_type = CODE_KONG_FW; 1145 break; 1146 case BNX_DIR_TYPE_KONG_PATCH: 1147 code_type = CODE_KONG_PATCH; 1148 break; 1149 case BNX_DIR_TYPE_BONO_FW: 1150 code_type = CODE_BONO_FW; 1151 break; 1152 case BNX_DIR_TYPE_BONO_PATCH: 1153 code_type = CODE_BONO_PATCH; 1154 break; 1155 default: 1156 netdev_err(dev, "Unsupported directory entry type: %u\n", 1157 dir_type); 1158 return -EINVAL; 1159 } 1160 if (fw_size < sizeof(struct bnxt_fw_header)) { 1161 netdev_err(dev, "Invalid firmware file size: %u\n", 1162 (unsigned int)fw_size); 1163 return -EINVAL; 1164 } 1165 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) { 1166 netdev_err(dev, "Invalid firmware signature: %08X\n", 1167 le32_to_cpu(header->signature)); 1168 return -EINVAL; 1169 } 1170 if (header->code_type != code_type) { 1171 netdev_err(dev, "Expected firmware type: %d, read: %d\n", 1172 code_type, header->code_type); 1173 return -EINVAL; 1174 } 1175 if (header->device != DEVICE_CUMULUS_FAMILY) { 1176 netdev_err(dev, "Expected firmware device family %d, read: %d\n", 1177 DEVICE_CUMULUS_FAMILY, header->device); 1178 return -EINVAL; 1179 } 1180 /* Confirm the CRC32 checksum of the file: */ 1181 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1182 sizeof(stored_crc))); 1183 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1184 if (calculated_crc != stored_crc) { 1185 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n", 1186 (unsigned long)stored_crc, 1187 (unsigned long)calculated_crc); 1188 return -EINVAL; 1189 } 1190 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1191 0, 0, fw_data, fw_size); 1192 if (rc == 0) /* Firmware update successful */ 1193 rc = bnxt_firmware_reset(dev, dir_type); 1194 1195 return rc; 1196 } 1197 1198 static int bnxt_flash_microcode(struct net_device *dev, 1199 u16 dir_type, 1200 const u8 *fw_data, 1201 size_t fw_size) 1202 { 1203 struct bnxt_ucode_trailer *trailer; 1204 u32 calculated_crc; 1205 u32 stored_crc; 1206 int rc = 0; 1207 1208 if (fw_size < sizeof(struct bnxt_ucode_trailer)) { 1209 netdev_err(dev, "Invalid microcode file size: %u\n", 1210 (unsigned int)fw_size); 1211 return -EINVAL; 1212 } 1213 trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size - 1214 sizeof(*trailer))); 1215 if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) { 1216 netdev_err(dev, "Invalid microcode trailer signature: %08X\n", 1217 le32_to_cpu(trailer->sig)); 1218 return -EINVAL; 1219 } 1220 if (le16_to_cpu(trailer->dir_type) != dir_type) { 1221 netdev_err(dev, "Expected microcode type: %d, read: %d\n", 1222 dir_type, le16_to_cpu(trailer->dir_type)); 1223 return -EINVAL; 1224 } 1225 if (le16_to_cpu(trailer->trailer_length) < 1226 sizeof(struct bnxt_ucode_trailer)) { 1227 netdev_err(dev, "Invalid microcode trailer length: %d\n", 1228 le16_to_cpu(trailer->trailer_length)); 1229 return -EINVAL; 1230 } 1231 1232 /* Confirm the CRC32 checksum of the file: */ 1233 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1234 sizeof(stored_crc))); 1235 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1236 if (calculated_crc != stored_crc) { 1237 netdev_err(dev, 1238 "CRC32 (%08lX) does not match calculated: %08lX\n", 1239 (unsigned long)stored_crc, 1240 (unsigned long)calculated_crc); 1241 return -EINVAL; 1242 } 1243 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1244 0, 0, fw_data, fw_size); 1245 1246 return rc; 1247 } 1248 1249 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type) 1250 { 1251 switch (dir_type) { 1252 case BNX_DIR_TYPE_CHIMP_PATCH: 1253 case BNX_DIR_TYPE_BOOTCODE: 1254 case BNX_DIR_TYPE_BOOTCODE_2: 1255 case BNX_DIR_TYPE_APE_FW: 1256 case BNX_DIR_TYPE_APE_PATCH: 1257 case BNX_DIR_TYPE_KONG_FW: 1258 case BNX_DIR_TYPE_KONG_PATCH: 1259 case BNX_DIR_TYPE_BONO_FW: 1260 case BNX_DIR_TYPE_BONO_PATCH: 1261 return true; 1262 } 1263 1264 return false; 1265 } 1266 1267 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type) 1268 { 1269 switch (dir_type) { 1270 case BNX_DIR_TYPE_AVS: 1271 case BNX_DIR_TYPE_EXP_ROM_MBA: 1272 case BNX_DIR_TYPE_PCIE: 1273 case BNX_DIR_TYPE_TSCF_UCODE: 1274 case BNX_DIR_TYPE_EXT_PHY: 1275 case BNX_DIR_TYPE_CCM: 1276 case BNX_DIR_TYPE_ISCSI_BOOT: 1277 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6: 1278 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6: 1279 return true; 1280 } 1281 1282 return false; 1283 } 1284 1285 static bool bnxt_dir_type_is_executable(u16 dir_type) 1286 { 1287 return bnxt_dir_type_is_ape_bin_format(dir_type) || 1288 bnxt_dir_type_is_other_exec_format(dir_type); 1289 } 1290 1291 static int bnxt_flash_firmware_from_file(struct net_device *dev, 1292 u16 dir_type, 1293 const char *filename) 1294 { 1295 const struct firmware *fw; 1296 int rc; 1297 1298 rc = request_firmware(&fw, filename, &dev->dev); 1299 if (rc != 0) { 1300 netdev_err(dev, "Error %d requesting firmware file: %s\n", 1301 rc, filename); 1302 return rc; 1303 } 1304 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true) 1305 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size); 1306 else if (bnxt_dir_type_is_other_exec_format(dir_type) == true) 1307 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size); 1308 else 1309 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1310 0, 0, fw->data, fw->size); 1311 release_firmware(fw); 1312 return rc; 1313 } 1314 1315 static int bnxt_flash_package_from_file(struct net_device *dev, 1316 char *filename, u32 install_type) 1317 { 1318 struct bnxt *bp = netdev_priv(dev); 1319 struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr; 1320 struct hwrm_nvm_install_update_input install = {0}; 1321 const struct firmware *fw; 1322 u32 item_len; 1323 u16 index; 1324 int rc; 1325 1326 bnxt_hwrm_fw_set_time(bp); 1327 1328 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE, 1329 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1330 &index, &item_len, NULL) != 0) { 1331 netdev_err(dev, "PKG update area not created in nvram\n"); 1332 return -ENOBUFS; 1333 } 1334 1335 rc = request_firmware(&fw, filename, &dev->dev); 1336 if (rc != 0) { 1337 netdev_err(dev, "PKG error %d requesting file: %s\n", 1338 rc, filename); 1339 return rc; 1340 } 1341 1342 if (fw->size > item_len) { 1343 netdev_err(dev, "PKG insufficient update area in nvram: %lu", 1344 (unsigned long)fw->size); 1345 rc = -EFBIG; 1346 } else { 1347 dma_addr_t dma_handle; 1348 u8 *kmem; 1349 struct hwrm_nvm_modify_input modify = {0}; 1350 1351 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1); 1352 1353 modify.dir_idx = cpu_to_le16(index); 1354 modify.len = cpu_to_le32(fw->size); 1355 1356 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size, 1357 &dma_handle, GFP_KERNEL); 1358 if (!kmem) { 1359 netdev_err(dev, 1360 "dma_alloc_coherent failure, length = %u\n", 1361 (unsigned int)fw->size); 1362 rc = -ENOMEM; 1363 } else { 1364 memcpy(kmem, fw->data, fw->size); 1365 modify.host_src_addr = cpu_to_le64(dma_handle); 1366 1367 rc = hwrm_send_message(bp, &modify, sizeof(modify), 1368 FLASH_PACKAGE_TIMEOUT); 1369 dma_free_coherent(&bp->pdev->dev, fw->size, kmem, 1370 dma_handle); 1371 } 1372 } 1373 release_firmware(fw); 1374 if (rc) 1375 return rc; 1376 1377 if ((install_type & 0xffff) == 0) 1378 install_type >>= 16; 1379 bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1); 1380 install.install_type = cpu_to_le32(install_type); 1381 1382 rc = hwrm_send_message(bp, &install, sizeof(install), 1383 INSTALL_PACKAGE_TIMEOUT); 1384 if (rc) 1385 return -EOPNOTSUPP; 1386 1387 if (resp->result) { 1388 netdev_err(dev, "PKG install error = %d, problem_item = %d\n", 1389 (s8)resp->result, (int)resp->problem_item); 1390 return -ENOPKG; 1391 } 1392 return 0; 1393 } 1394 1395 static int bnxt_flash_device(struct net_device *dev, 1396 struct ethtool_flash *flash) 1397 { 1398 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) { 1399 netdev_err(dev, "flashdev not supported from a virtual function\n"); 1400 return -EINVAL; 1401 } 1402 1403 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS || 1404 flash->region > 0xffff) 1405 return bnxt_flash_package_from_file(dev, flash->data, 1406 flash->region); 1407 1408 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data); 1409 } 1410 1411 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length) 1412 { 1413 struct bnxt *bp = netdev_priv(dev); 1414 int rc; 1415 struct hwrm_nvm_get_dir_info_input req = {0}; 1416 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr; 1417 1418 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1); 1419 1420 mutex_lock(&bp->hwrm_cmd_lock); 1421 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1422 if (!rc) { 1423 *entries = le32_to_cpu(output->entries); 1424 *length = le32_to_cpu(output->entry_length); 1425 } 1426 mutex_unlock(&bp->hwrm_cmd_lock); 1427 return rc; 1428 } 1429 1430 static int bnxt_get_eeprom_len(struct net_device *dev) 1431 { 1432 /* The -1 return value allows the entire 32-bit range of offsets to be 1433 * passed via the ethtool command-line utility. 1434 */ 1435 return -1; 1436 } 1437 1438 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) 1439 { 1440 struct bnxt *bp = netdev_priv(dev); 1441 int rc; 1442 u32 dir_entries; 1443 u32 entry_length; 1444 u8 *buf; 1445 size_t buflen; 1446 dma_addr_t dma_handle; 1447 struct hwrm_nvm_get_dir_entries_input req = {0}; 1448 1449 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length); 1450 if (rc != 0) 1451 return rc; 1452 1453 /* Insert 2 bytes of directory info (count and size of entries) */ 1454 if (len < 2) 1455 return -EINVAL; 1456 1457 *data++ = dir_entries; 1458 *data++ = entry_length; 1459 len -= 2; 1460 memset(data, 0xff, len); 1461 1462 buflen = dir_entries * entry_length; 1463 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle, 1464 GFP_KERNEL); 1465 if (!buf) { 1466 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1467 (unsigned)buflen); 1468 return -ENOMEM; 1469 } 1470 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1); 1471 req.host_dest_addr = cpu_to_le64(dma_handle); 1472 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1473 if (rc == 0) 1474 memcpy(data, buf, len > buflen ? buflen : len); 1475 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle); 1476 return rc; 1477 } 1478 1479 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, 1480 u32 length, u8 *data) 1481 { 1482 struct bnxt *bp = netdev_priv(dev); 1483 int rc; 1484 u8 *buf; 1485 dma_addr_t dma_handle; 1486 struct hwrm_nvm_read_input req = {0}; 1487 1488 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle, 1489 GFP_KERNEL); 1490 if (!buf) { 1491 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1492 (unsigned)length); 1493 return -ENOMEM; 1494 } 1495 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1); 1496 req.host_dest_addr = cpu_to_le64(dma_handle); 1497 req.dir_idx = cpu_to_le16(index); 1498 req.offset = cpu_to_le32(offset); 1499 req.len = cpu_to_le32(length); 1500 1501 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1502 if (rc == 0) 1503 memcpy(data, buf, length); 1504 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle); 1505 return rc; 1506 } 1507 1508 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1509 u16 ext, u16 *index, u32 *item_length, 1510 u32 *data_length) 1511 { 1512 struct bnxt *bp = netdev_priv(dev); 1513 int rc; 1514 struct hwrm_nvm_find_dir_entry_input req = {0}; 1515 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr; 1516 1517 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1); 1518 req.enables = 0; 1519 req.dir_idx = 0; 1520 req.dir_type = cpu_to_le16(type); 1521 req.dir_ordinal = cpu_to_le16(ordinal); 1522 req.dir_ext = cpu_to_le16(ext); 1523 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ; 1524 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1525 if (rc == 0) { 1526 if (index) 1527 *index = le16_to_cpu(output->dir_idx); 1528 if (item_length) 1529 *item_length = le32_to_cpu(output->dir_item_length); 1530 if (data_length) 1531 *data_length = le32_to_cpu(output->dir_data_length); 1532 } 1533 return rc; 1534 } 1535 1536 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen) 1537 { 1538 char *retval = NULL; 1539 char *p; 1540 char *value; 1541 int field = 0; 1542 1543 if (datalen < 1) 1544 return NULL; 1545 /* null-terminate the log data (removing last '\n'): */ 1546 data[datalen - 1] = 0; 1547 for (p = data; *p != 0; p++) { 1548 field = 0; 1549 retval = NULL; 1550 while (*p != 0 && *p != '\n') { 1551 value = p; 1552 while (*p != 0 && *p != '\t' && *p != '\n') 1553 p++; 1554 if (field == desired_field) 1555 retval = value; 1556 if (*p != '\t') 1557 break; 1558 *p = 0; 1559 field++; 1560 p++; 1561 } 1562 if (*p == 0) 1563 break; 1564 *p = 0; 1565 } 1566 return retval; 1567 } 1568 1569 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen) 1570 { 1571 u16 index = 0; 1572 u32 datalen; 1573 1574 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG, 1575 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1576 &index, NULL, &datalen) != 0) 1577 return NULL; 1578 1579 memset(buf, 0, buflen); 1580 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0) 1581 return NULL; 1582 1583 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf, 1584 datalen); 1585 } 1586 1587 static int bnxt_get_eeprom(struct net_device *dev, 1588 struct ethtool_eeprom *eeprom, 1589 u8 *data) 1590 { 1591 u32 index; 1592 u32 offset; 1593 1594 if (eeprom->offset == 0) /* special offset value to get directory */ 1595 return bnxt_get_nvram_directory(dev, eeprom->len, data); 1596 1597 index = eeprom->offset >> 24; 1598 offset = eeprom->offset & 0xffffff; 1599 1600 if (index == 0) { 1601 netdev_err(dev, "unsupported index value: %d\n", index); 1602 return -EINVAL; 1603 } 1604 1605 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data); 1606 } 1607 1608 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index) 1609 { 1610 struct bnxt *bp = netdev_priv(dev); 1611 struct hwrm_nvm_erase_dir_entry_input req = {0}; 1612 1613 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1); 1614 req.dir_idx = cpu_to_le16(index); 1615 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1616 } 1617 1618 static int bnxt_set_eeprom(struct net_device *dev, 1619 struct ethtool_eeprom *eeprom, 1620 u8 *data) 1621 { 1622 struct bnxt *bp = netdev_priv(dev); 1623 u8 index, dir_op; 1624 u16 type, ext, ordinal, attr; 1625 1626 if (!BNXT_PF(bp)) { 1627 netdev_err(dev, "NVM write not supported from a virtual function\n"); 1628 return -EINVAL; 1629 } 1630 1631 type = eeprom->magic >> 16; 1632 1633 if (type == 0xffff) { /* special value for directory operations */ 1634 index = eeprom->magic & 0xff; 1635 dir_op = eeprom->magic >> 8; 1636 if (index == 0) 1637 return -EINVAL; 1638 switch (dir_op) { 1639 case 0x0e: /* erase */ 1640 if (eeprom->offset != ~eeprom->magic) 1641 return -EINVAL; 1642 return bnxt_erase_nvram_directory(dev, index - 1); 1643 default: 1644 return -EINVAL; 1645 } 1646 } 1647 1648 /* Create or re-write an NVM item: */ 1649 if (bnxt_dir_type_is_executable(type) == true) 1650 return -EOPNOTSUPP; 1651 ext = eeprom->magic & 0xffff; 1652 ordinal = eeprom->offset >> 16; 1653 attr = eeprom->offset & 0xffff; 1654 1655 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data, 1656 eeprom->len); 1657 } 1658 1659 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) 1660 { 1661 struct bnxt *bp = netdev_priv(dev); 1662 struct ethtool_eee *eee = &bp->eee; 1663 struct bnxt_link_info *link_info = &bp->link_info; 1664 u32 advertising = 1665 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); 1666 int rc = 0; 1667 1668 if (!BNXT_SINGLE_PF(bp)) 1669 return -EOPNOTSUPP; 1670 1671 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1672 return -EOPNOTSUPP; 1673 1674 if (!edata->eee_enabled) 1675 goto eee_ok; 1676 1677 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { 1678 netdev_warn(dev, "EEE requires autoneg\n"); 1679 return -EINVAL; 1680 } 1681 if (edata->tx_lpi_enabled) { 1682 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi || 1683 edata->tx_lpi_timer < bp->lpi_tmr_lo)) { 1684 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n", 1685 bp->lpi_tmr_lo, bp->lpi_tmr_hi); 1686 return -EINVAL; 1687 } else if (!bp->lpi_tmr_hi) { 1688 edata->tx_lpi_timer = eee->tx_lpi_timer; 1689 } 1690 } 1691 if (!edata->advertised) { 1692 edata->advertised = advertising & eee->supported; 1693 } else if (edata->advertised & ~advertising) { 1694 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n", 1695 edata->advertised, advertising); 1696 return -EINVAL; 1697 } 1698 1699 eee->advertised = edata->advertised; 1700 eee->tx_lpi_enabled = edata->tx_lpi_enabled; 1701 eee->tx_lpi_timer = edata->tx_lpi_timer; 1702 eee_ok: 1703 eee->eee_enabled = edata->eee_enabled; 1704 1705 if (netif_running(dev)) 1706 rc = bnxt_hwrm_set_link_setting(bp, false, true); 1707 1708 return rc; 1709 } 1710 1711 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata) 1712 { 1713 struct bnxt *bp = netdev_priv(dev); 1714 1715 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1716 return -EOPNOTSUPP; 1717 1718 *edata = bp->eee; 1719 if (!bp->eee.eee_enabled) { 1720 /* Preserve tx_lpi_timer so that the last value will be used 1721 * by default when it is re-enabled. 1722 */ 1723 edata->advertised = 0; 1724 edata->tx_lpi_enabled = 0; 1725 } 1726 1727 if (!bp->eee.eee_active) 1728 edata->lp_advertised = 0; 1729 1730 return 0; 1731 } 1732 1733 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr, 1734 u16 page_number, u16 start_addr, 1735 u16 data_length, u8 *buf) 1736 { 1737 struct hwrm_port_phy_i2c_read_input req = {0}; 1738 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 1739 int rc, byte_offset = 0; 1740 1741 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 1742 req.i2c_slave_addr = i2c_addr; 1743 req.page_number = cpu_to_le16(page_number); 1744 req.port_id = cpu_to_le16(bp->pf.port_id); 1745 do { 1746 u16 xfer_size; 1747 1748 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE); 1749 data_length -= xfer_size; 1750 req.page_offset = cpu_to_le16(start_addr + byte_offset); 1751 req.data_length = xfer_size; 1752 req.enables = cpu_to_le32(start_addr + byte_offset ? 1753 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0); 1754 mutex_lock(&bp->hwrm_cmd_lock); 1755 rc = _hwrm_send_message(bp, &req, sizeof(req), 1756 HWRM_CMD_TIMEOUT); 1757 if (!rc) 1758 memcpy(buf + byte_offset, output->data, xfer_size); 1759 mutex_unlock(&bp->hwrm_cmd_lock); 1760 byte_offset += xfer_size; 1761 } while (!rc && data_length > 0); 1762 1763 return rc; 1764 } 1765 1766 static int bnxt_get_module_info(struct net_device *dev, 1767 struct ethtool_modinfo *modinfo) 1768 { 1769 struct bnxt *bp = netdev_priv(dev); 1770 struct hwrm_port_phy_i2c_read_input req = {0}; 1771 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 1772 int rc; 1773 1774 /* No point in going further if phy status indicates 1775 * module is not inserted or if it is powered down or 1776 * if it is of type 10GBase-T 1777 */ 1778 if (bp->link_info.module_status > 1779 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG) 1780 return -EOPNOTSUPP; 1781 1782 /* This feature is not supported in older firmware versions */ 1783 if (bp->hwrm_spec_code < 0x10202) 1784 return -EOPNOTSUPP; 1785 1786 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 1787 req.i2c_slave_addr = I2C_DEV_ADDR_A0; 1788 req.page_number = 0; 1789 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR); 1790 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE; 1791 req.port_id = cpu_to_le16(bp->pf.port_id); 1792 mutex_lock(&bp->hwrm_cmd_lock); 1793 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1794 if (!rc) { 1795 u32 module_id = le32_to_cpu(output->data[0]); 1796 1797 switch (module_id) { 1798 case SFF_MODULE_ID_SFP: 1799 modinfo->type = ETH_MODULE_SFF_8472; 1800 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1801 break; 1802 case SFF_MODULE_ID_QSFP: 1803 case SFF_MODULE_ID_QSFP_PLUS: 1804 modinfo->type = ETH_MODULE_SFF_8436; 1805 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 1806 break; 1807 case SFF_MODULE_ID_QSFP28: 1808 modinfo->type = ETH_MODULE_SFF_8636; 1809 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 1810 break; 1811 default: 1812 rc = -EOPNOTSUPP; 1813 break; 1814 } 1815 } 1816 mutex_unlock(&bp->hwrm_cmd_lock); 1817 return rc; 1818 } 1819 1820 static int bnxt_get_module_eeprom(struct net_device *dev, 1821 struct ethtool_eeprom *eeprom, 1822 u8 *data) 1823 { 1824 struct bnxt *bp = netdev_priv(dev); 1825 u16 start = eeprom->offset, length = eeprom->len; 1826 int rc = 0; 1827 1828 memset(data, 0, eeprom->len); 1829 1830 /* Read A0 portion of the EEPROM */ 1831 if (start < ETH_MODULE_SFF_8436_LEN) { 1832 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN) 1833 length = ETH_MODULE_SFF_8436_LEN - start; 1834 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 1835 start, length, data); 1836 if (rc) 1837 return rc; 1838 start += length; 1839 data += length; 1840 length = eeprom->len - length; 1841 } 1842 1843 /* Read A2 portion of the EEPROM */ 1844 if (length) { 1845 start -= ETH_MODULE_SFF_8436_LEN; 1846 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start, 1847 length, data); 1848 } 1849 return rc; 1850 } 1851 1852 static int bnxt_nway_reset(struct net_device *dev) 1853 { 1854 int rc = 0; 1855 1856 struct bnxt *bp = netdev_priv(dev); 1857 struct bnxt_link_info *link_info = &bp->link_info; 1858 1859 if (!BNXT_SINGLE_PF(bp)) 1860 return -EOPNOTSUPP; 1861 1862 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 1863 return -EINVAL; 1864 1865 if (netif_running(dev)) 1866 rc = bnxt_hwrm_set_link_setting(bp, true, false); 1867 1868 return rc; 1869 } 1870 1871 const struct ethtool_ops bnxt_ethtool_ops = { 1872 .get_link_ksettings = bnxt_get_link_ksettings, 1873 .set_link_ksettings = bnxt_set_link_ksettings, 1874 .get_pauseparam = bnxt_get_pauseparam, 1875 .set_pauseparam = bnxt_set_pauseparam, 1876 .get_drvinfo = bnxt_get_drvinfo, 1877 .get_coalesce = bnxt_get_coalesce, 1878 .set_coalesce = bnxt_set_coalesce, 1879 .get_msglevel = bnxt_get_msglevel, 1880 .set_msglevel = bnxt_set_msglevel, 1881 .get_sset_count = bnxt_get_sset_count, 1882 .get_strings = bnxt_get_strings, 1883 .get_ethtool_stats = bnxt_get_ethtool_stats, 1884 .set_ringparam = bnxt_set_ringparam, 1885 .get_ringparam = bnxt_get_ringparam, 1886 .get_channels = bnxt_get_channels, 1887 .set_channels = bnxt_set_channels, 1888 #ifdef CONFIG_RFS_ACCEL 1889 .get_rxnfc = bnxt_get_rxnfc, 1890 #endif 1891 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size, 1892 .get_rxfh_key_size = bnxt_get_rxfh_key_size, 1893 .get_rxfh = bnxt_get_rxfh, 1894 .flash_device = bnxt_flash_device, 1895 .get_eeprom_len = bnxt_get_eeprom_len, 1896 .get_eeprom = bnxt_get_eeprom, 1897 .set_eeprom = bnxt_set_eeprom, 1898 .get_link = bnxt_get_link, 1899 .get_eee = bnxt_get_eee, 1900 .set_eee = bnxt_set_eee, 1901 .get_module_info = bnxt_get_module_info, 1902 .get_module_eeprom = bnxt_get_module_eeprom, 1903 .nway_reset = bnxt_nway_reset 1904 }; 1905