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_ENTRY(counter) \ 111 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) } 112 113 #define BNXT_TX_STATS_ENTRY(counter) \ 114 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) } 115 116 static const struct { 117 long offset; 118 char string[ETH_GSTRING_LEN]; 119 } bnxt_port_stats_arr[] = { 120 BNXT_RX_STATS_ENTRY(rx_64b_frames), 121 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames), 122 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames), 123 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames), 124 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames), 125 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames), 126 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames), 127 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames), 128 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames), 129 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames), 130 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames), 131 BNXT_RX_STATS_ENTRY(rx_total_frames), 132 BNXT_RX_STATS_ENTRY(rx_ucast_frames), 133 BNXT_RX_STATS_ENTRY(rx_mcast_frames), 134 BNXT_RX_STATS_ENTRY(rx_bcast_frames), 135 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames), 136 BNXT_RX_STATS_ENTRY(rx_ctrl_frames), 137 BNXT_RX_STATS_ENTRY(rx_pause_frames), 138 BNXT_RX_STATS_ENTRY(rx_pfc_frames), 139 BNXT_RX_STATS_ENTRY(rx_align_err_frames), 140 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames), 141 BNXT_RX_STATS_ENTRY(rx_jbr_frames), 142 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames), 143 BNXT_RX_STATS_ENTRY(rx_tagged_frames), 144 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames), 145 BNXT_RX_STATS_ENTRY(rx_good_frames), 146 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0), 147 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1), 148 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2), 149 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3), 150 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4), 151 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5), 152 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6), 153 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7), 154 BNXT_RX_STATS_ENTRY(rx_undrsz_frames), 155 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events), 156 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration), 157 BNXT_RX_STATS_ENTRY(rx_bytes), 158 BNXT_RX_STATS_ENTRY(rx_runt_bytes), 159 BNXT_RX_STATS_ENTRY(rx_runt_frames), 160 161 BNXT_TX_STATS_ENTRY(tx_64b_frames), 162 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames), 163 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames), 164 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames), 165 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames), 166 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames), 167 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames), 168 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames), 169 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames), 170 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames), 171 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames), 172 BNXT_TX_STATS_ENTRY(tx_good_frames), 173 BNXT_TX_STATS_ENTRY(tx_total_frames), 174 BNXT_TX_STATS_ENTRY(tx_ucast_frames), 175 BNXT_TX_STATS_ENTRY(tx_mcast_frames), 176 BNXT_TX_STATS_ENTRY(tx_bcast_frames), 177 BNXT_TX_STATS_ENTRY(tx_pause_frames), 178 BNXT_TX_STATS_ENTRY(tx_pfc_frames), 179 BNXT_TX_STATS_ENTRY(tx_jabber_frames), 180 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames), 181 BNXT_TX_STATS_ENTRY(tx_err), 182 BNXT_TX_STATS_ENTRY(tx_fifo_underruns), 183 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0), 184 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1), 185 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2), 186 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3), 187 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4), 188 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5), 189 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6), 190 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7), 191 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events), 192 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration), 193 BNXT_TX_STATS_ENTRY(tx_total_collisions), 194 BNXT_TX_STATS_ENTRY(tx_bytes), 195 }; 196 197 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr) 198 199 static int bnxt_get_sset_count(struct net_device *dev, int sset) 200 { 201 struct bnxt *bp = netdev_priv(dev); 202 203 switch (sset) { 204 case ETH_SS_STATS: { 205 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings; 206 207 if (bp->flags & BNXT_FLAG_PORT_STATS) 208 num_stats += BNXT_NUM_PORT_STATS; 209 210 return num_stats; 211 } 212 default: 213 return -EOPNOTSUPP; 214 } 215 } 216 217 static void bnxt_get_ethtool_stats(struct net_device *dev, 218 struct ethtool_stats *stats, u64 *buf) 219 { 220 u32 i, j = 0; 221 struct bnxt *bp = netdev_priv(dev); 222 u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings; 223 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8; 224 225 memset(buf, 0, buf_size); 226 227 if (!bp->bnapi) 228 return; 229 230 for (i = 0; i < bp->cp_nr_rings; i++) { 231 struct bnxt_napi *bnapi = bp->bnapi[i]; 232 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; 233 __le64 *hw_stats = (__le64 *)cpr->hw_stats; 234 int k; 235 236 for (k = 0; k < stat_fields; j++, k++) 237 buf[j] = le64_to_cpu(hw_stats[k]); 238 buf[j++] = cpr->rx_l4_csum_errors; 239 } 240 if (bp->flags & BNXT_FLAG_PORT_STATS) { 241 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats; 242 243 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) { 244 buf[j] = le64_to_cpu(*(port_stats + 245 bnxt_port_stats_arr[i].offset)); 246 } 247 } 248 } 249 250 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 251 { 252 struct bnxt *bp = netdev_priv(dev); 253 u32 i; 254 255 switch (stringset) { 256 /* The number of strings must match BNXT_NUM_STATS defined above. */ 257 case ETH_SS_STATS: 258 for (i = 0; i < bp->cp_nr_rings; i++) { 259 sprintf(buf, "[%d]: rx_ucast_packets", i); 260 buf += ETH_GSTRING_LEN; 261 sprintf(buf, "[%d]: rx_mcast_packets", i); 262 buf += ETH_GSTRING_LEN; 263 sprintf(buf, "[%d]: rx_bcast_packets", i); 264 buf += ETH_GSTRING_LEN; 265 sprintf(buf, "[%d]: rx_discards", i); 266 buf += ETH_GSTRING_LEN; 267 sprintf(buf, "[%d]: rx_drops", i); 268 buf += ETH_GSTRING_LEN; 269 sprintf(buf, "[%d]: rx_ucast_bytes", i); 270 buf += ETH_GSTRING_LEN; 271 sprintf(buf, "[%d]: rx_mcast_bytes", i); 272 buf += ETH_GSTRING_LEN; 273 sprintf(buf, "[%d]: rx_bcast_bytes", i); 274 buf += ETH_GSTRING_LEN; 275 sprintf(buf, "[%d]: tx_ucast_packets", i); 276 buf += ETH_GSTRING_LEN; 277 sprintf(buf, "[%d]: tx_mcast_packets", i); 278 buf += ETH_GSTRING_LEN; 279 sprintf(buf, "[%d]: tx_bcast_packets", i); 280 buf += ETH_GSTRING_LEN; 281 sprintf(buf, "[%d]: tx_discards", i); 282 buf += ETH_GSTRING_LEN; 283 sprintf(buf, "[%d]: tx_drops", i); 284 buf += ETH_GSTRING_LEN; 285 sprintf(buf, "[%d]: tx_ucast_bytes", i); 286 buf += ETH_GSTRING_LEN; 287 sprintf(buf, "[%d]: tx_mcast_bytes", i); 288 buf += ETH_GSTRING_LEN; 289 sprintf(buf, "[%d]: tx_bcast_bytes", i); 290 buf += ETH_GSTRING_LEN; 291 sprintf(buf, "[%d]: tpa_packets", i); 292 buf += ETH_GSTRING_LEN; 293 sprintf(buf, "[%d]: tpa_bytes", i); 294 buf += ETH_GSTRING_LEN; 295 sprintf(buf, "[%d]: tpa_events", i); 296 buf += ETH_GSTRING_LEN; 297 sprintf(buf, "[%d]: tpa_aborts", i); 298 buf += ETH_GSTRING_LEN; 299 sprintf(buf, "[%d]: rx_l4_csum_errors", i); 300 buf += ETH_GSTRING_LEN; 301 } 302 if (bp->flags & BNXT_FLAG_PORT_STATS) { 303 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) { 304 strcpy(buf, bnxt_port_stats_arr[i].string); 305 buf += ETH_GSTRING_LEN; 306 } 307 } 308 break; 309 default: 310 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n", 311 stringset); 312 break; 313 } 314 } 315 316 static void bnxt_get_ringparam(struct net_device *dev, 317 struct ethtool_ringparam *ering) 318 { 319 struct bnxt *bp = netdev_priv(dev); 320 321 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT; 322 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT; 323 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT; 324 325 ering->rx_pending = bp->rx_ring_size; 326 ering->rx_jumbo_pending = bp->rx_agg_ring_size; 327 ering->tx_pending = bp->tx_ring_size; 328 } 329 330 static int bnxt_set_ringparam(struct net_device *dev, 331 struct ethtool_ringparam *ering) 332 { 333 struct bnxt *bp = netdev_priv(dev); 334 335 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) || 336 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) || 337 (ering->tx_pending <= MAX_SKB_FRAGS)) 338 return -EINVAL; 339 340 if (netif_running(dev)) 341 bnxt_close_nic(bp, false, false); 342 343 bp->rx_ring_size = ering->rx_pending; 344 bp->tx_ring_size = ering->tx_pending; 345 bnxt_set_ring_params(bp); 346 347 if (netif_running(dev)) 348 return bnxt_open_nic(bp, false, false); 349 350 return 0; 351 } 352 353 static void bnxt_get_channels(struct net_device *dev, 354 struct ethtool_channels *channel) 355 { 356 struct bnxt *bp = netdev_priv(dev); 357 int max_rx_rings, max_tx_rings, tcs; 358 359 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true); 360 channel->max_combined = min_t(int, max_rx_rings, max_tx_rings); 361 362 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) { 363 max_rx_rings = 0; 364 max_tx_rings = 0; 365 } 366 367 tcs = netdev_get_num_tc(dev); 368 if (tcs > 1) 369 max_tx_rings /= tcs; 370 371 channel->max_rx = max_rx_rings; 372 channel->max_tx = max_tx_rings; 373 channel->max_other = 0; 374 if (bp->flags & BNXT_FLAG_SHARED_RINGS) { 375 channel->combined_count = bp->rx_nr_rings; 376 if (BNXT_CHIP_TYPE_NITRO_A0(bp)) 377 channel->combined_count--; 378 } else { 379 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) { 380 channel->rx_count = bp->rx_nr_rings; 381 channel->tx_count = bp->tx_nr_rings_per_tc; 382 } 383 } 384 } 385 386 static int bnxt_set_channels(struct net_device *dev, 387 struct ethtool_channels *channel) 388 { 389 struct bnxt *bp = netdev_priv(dev); 390 int req_tx_rings, req_rx_rings, tcs; 391 bool sh = false; 392 int tx_xdp = 0; 393 int rc = 0; 394 395 if (channel->other_count) 396 return -EINVAL; 397 398 if (!channel->combined_count && 399 (!channel->rx_count || !channel->tx_count)) 400 return -EINVAL; 401 402 if (channel->combined_count && 403 (channel->rx_count || channel->tx_count)) 404 return -EINVAL; 405 406 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count || 407 channel->tx_count)) 408 return -EINVAL; 409 410 if (channel->combined_count) 411 sh = true; 412 413 tcs = netdev_get_num_tc(dev); 414 415 req_tx_rings = sh ? channel->combined_count : channel->tx_count; 416 req_rx_rings = sh ? channel->combined_count : channel->rx_count; 417 if (bp->tx_nr_rings_xdp) { 418 if (!sh) { 419 netdev_err(dev, "Only combined mode supported when XDP is enabled.\n"); 420 return -EINVAL; 421 } 422 tx_xdp = req_rx_rings; 423 } 424 rc = bnxt_reserve_rings(bp, req_tx_rings, req_rx_rings, tcs, tx_xdp); 425 if (rc) { 426 netdev_warn(dev, "Unable to allocate the requested rings\n"); 427 return rc; 428 } 429 430 if (netif_running(dev)) { 431 if (BNXT_PF(bp)) { 432 /* TODO CHIMP_FW: Send message to all VF's 433 * before PF unload 434 */ 435 } 436 rc = bnxt_close_nic(bp, true, false); 437 if (rc) { 438 netdev_err(bp->dev, "Set channel failure rc :%x\n", 439 rc); 440 return rc; 441 } 442 } 443 444 if (sh) { 445 bp->flags |= BNXT_FLAG_SHARED_RINGS; 446 bp->rx_nr_rings = channel->combined_count; 447 bp->tx_nr_rings_per_tc = channel->combined_count; 448 } else { 449 bp->flags &= ~BNXT_FLAG_SHARED_RINGS; 450 bp->rx_nr_rings = channel->rx_count; 451 bp->tx_nr_rings_per_tc = channel->tx_count; 452 } 453 bp->tx_nr_rings_xdp = tx_xdp; 454 bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp; 455 if (tcs > 1) 456 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp; 457 458 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : 459 bp->tx_nr_rings + bp->rx_nr_rings; 460 461 bp->num_stat_ctxs = bp->cp_nr_rings; 462 463 /* After changing number of rx channels, update NTUPLE feature. */ 464 netdev_update_features(dev); 465 if (netif_running(dev)) { 466 rc = bnxt_open_nic(bp, true, false); 467 if ((!rc) && BNXT_PF(bp)) { 468 /* TODO CHIMP_FW: Send message to all VF's 469 * to renable 470 */ 471 } 472 } 473 474 return rc; 475 } 476 477 #ifdef CONFIG_RFS_ACCEL 478 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd, 479 u32 *rule_locs) 480 { 481 int i, j = 0; 482 483 cmd->data = bp->ntp_fltr_count; 484 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 485 struct hlist_head *head; 486 struct bnxt_ntuple_filter *fltr; 487 488 head = &bp->ntp_fltr_hash_tbl[i]; 489 rcu_read_lock(); 490 hlist_for_each_entry_rcu(fltr, head, hash) { 491 if (j == cmd->rule_cnt) 492 break; 493 rule_locs[j++] = fltr->sw_id; 494 } 495 rcu_read_unlock(); 496 if (j == cmd->rule_cnt) 497 break; 498 } 499 cmd->rule_cnt = j; 500 return 0; 501 } 502 503 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd) 504 { 505 struct ethtool_rx_flow_spec *fs = 506 (struct ethtool_rx_flow_spec *)&cmd->fs; 507 struct bnxt_ntuple_filter *fltr; 508 struct flow_keys *fkeys; 509 int i, rc = -EINVAL; 510 511 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR) 512 return rc; 513 514 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 515 struct hlist_head *head; 516 517 head = &bp->ntp_fltr_hash_tbl[i]; 518 rcu_read_lock(); 519 hlist_for_each_entry_rcu(fltr, head, hash) { 520 if (fltr->sw_id == fs->location) 521 goto fltr_found; 522 } 523 rcu_read_unlock(); 524 } 525 return rc; 526 527 fltr_found: 528 fkeys = &fltr->fkeys; 529 if (fkeys->basic.n_proto == htons(ETH_P_IP)) { 530 if (fkeys->basic.ip_proto == IPPROTO_TCP) 531 fs->flow_type = TCP_V4_FLOW; 532 else if (fkeys->basic.ip_proto == IPPROTO_UDP) 533 fs->flow_type = UDP_V4_FLOW; 534 else 535 goto fltr_err; 536 537 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src; 538 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0); 539 540 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst; 541 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0); 542 543 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src; 544 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0); 545 546 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst; 547 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0); 548 } else { 549 int i; 550 551 if (fkeys->basic.ip_proto == IPPROTO_TCP) 552 fs->flow_type = TCP_V6_FLOW; 553 else if (fkeys->basic.ip_proto == IPPROTO_UDP) 554 fs->flow_type = UDP_V6_FLOW; 555 else 556 goto fltr_err; 557 558 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] = 559 fkeys->addrs.v6addrs.src; 560 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] = 561 fkeys->addrs.v6addrs.dst; 562 for (i = 0; i < 4; i++) { 563 fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0); 564 fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0); 565 } 566 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src; 567 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0); 568 569 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst; 570 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0); 571 } 572 573 fs->ring_cookie = fltr->rxq; 574 rc = 0; 575 576 fltr_err: 577 rcu_read_unlock(); 578 579 return rc; 580 } 581 #endif 582 583 static u64 get_ethtool_ipv4_rss(struct bnxt *bp) 584 { 585 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4) 586 return RXH_IP_SRC | RXH_IP_DST; 587 return 0; 588 } 589 590 static u64 get_ethtool_ipv6_rss(struct bnxt *bp) 591 { 592 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6) 593 return RXH_IP_SRC | RXH_IP_DST; 594 return 0; 595 } 596 597 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) 598 { 599 cmd->data = 0; 600 switch (cmd->flow_type) { 601 case TCP_V4_FLOW: 602 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4) 603 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 604 RXH_L4_B_0_1 | RXH_L4_B_2_3; 605 cmd->data |= get_ethtool_ipv4_rss(bp); 606 break; 607 case UDP_V4_FLOW: 608 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4) 609 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 610 RXH_L4_B_0_1 | RXH_L4_B_2_3; 611 /* fall through */ 612 case SCTP_V4_FLOW: 613 case AH_ESP_V4_FLOW: 614 case AH_V4_FLOW: 615 case ESP_V4_FLOW: 616 case IPV4_FLOW: 617 cmd->data |= get_ethtool_ipv4_rss(bp); 618 break; 619 620 case TCP_V6_FLOW: 621 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6) 622 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 623 RXH_L4_B_0_1 | RXH_L4_B_2_3; 624 cmd->data |= get_ethtool_ipv6_rss(bp); 625 break; 626 case UDP_V6_FLOW: 627 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6) 628 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 629 RXH_L4_B_0_1 | RXH_L4_B_2_3; 630 /* fall through */ 631 case SCTP_V6_FLOW: 632 case AH_ESP_V6_FLOW: 633 case AH_V6_FLOW: 634 case ESP_V6_FLOW: 635 case IPV6_FLOW: 636 cmd->data |= get_ethtool_ipv6_rss(bp); 637 break; 638 } 639 return 0; 640 } 641 642 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3) 643 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST) 644 645 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) 646 { 647 u32 rss_hash_cfg = bp->rss_hash_cfg; 648 int tuple, rc = 0; 649 650 if (cmd->data == RXH_4TUPLE) 651 tuple = 4; 652 else if (cmd->data == RXH_2TUPLE) 653 tuple = 2; 654 else if (!cmd->data) 655 tuple = 0; 656 else 657 return -EINVAL; 658 659 if (cmd->flow_type == TCP_V4_FLOW) { 660 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4; 661 if (tuple == 4) 662 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4; 663 } else if (cmd->flow_type == UDP_V4_FLOW) { 664 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP)) 665 return -EINVAL; 666 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4; 667 if (tuple == 4) 668 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4; 669 } else if (cmd->flow_type == TCP_V6_FLOW) { 670 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6; 671 if (tuple == 4) 672 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6; 673 } else if (cmd->flow_type == UDP_V6_FLOW) { 674 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP)) 675 return -EINVAL; 676 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6; 677 if (tuple == 4) 678 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6; 679 } else if (tuple == 4) { 680 return -EINVAL; 681 } 682 683 switch (cmd->flow_type) { 684 case TCP_V4_FLOW: 685 case UDP_V4_FLOW: 686 case SCTP_V4_FLOW: 687 case AH_ESP_V4_FLOW: 688 case AH_V4_FLOW: 689 case ESP_V4_FLOW: 690 case IPV4_FLOW: 691 if (tuple == 2) 692 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4; 693 else if (!tuple) 694 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4; 695 break; 696 697 case TCP_V6_FLOW: 698 case UDP_V6_FLOW: 699 case SCTP_V6_FLOW: 700 case AH_ESP_V6_FLOW: 701 case AH_V6_FLOW: 702 case ESP_V6_FLOW: 703 case IPV6_FLOW: 704 if (tuple == 2) 705 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6; 706 else if (!tuple) 707 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6; 708 break; 709 } 710 711 if (bp->rss_hash_cfg == rss_hash_cfg) 712 return 0; 713 714 bp->rss_hash_cfg = rss_hash_cfg; 715 if (netif_running(bp->dev)) { 716 bnxt_close_nic(bp, false, false); 717 rc = bnxt_open_nic(bp, false, false); 718 } 719 return rc; 720 } 721 722 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 723 u32 *rule_locs) 724 { 725 struct bnxt *bp = netdev_priv(dev); 726 int rc = 0; 727 728 switch (cmd->cmd) { 729 #ifdef CONFIG_RFS_ACCEL 730 case ETHTOOL_GRXRINGS: 731 cmd->data = bp->rx_nr_rings; 732 break; 733 734 case ETHTOOL_GRXCLSRLCNT: 735 cmd->rule_cnt = bp->ntp_fltr_count; 736 cmd->data = BNXT_NTP_FLTR_MAX_FLTR; 737 break; 738 739 case ETHTOOL_GRXCLSRLALL: 740 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs); 741 break; 742 743 case ETHTOOL_GRXCLSRULE: 744 rc = bnxt_grxclsrule(bp, cmd); 745 break; 746 #endif 747 748 case ETHTOOL_GRXFH: 749 rc = bnxt_grxfh(bp, cmd); 750 break; 751 752 default: 753 rc = -EOPNOTSUPP; 754 break; 755 } 756 757 return rc; 758 } 759 760 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 761 { 762 struct bnxt *bp = netdev_priv(dev); 763 int rc; 764 765 switch (cmd->cmd) { 766 case ETHTOOL_SRXFH: 767 rc = bnxt_srxfh(bp, cmd); 768 break; 769 770 default: 771 rc = -EOPNOTSUPP; 772 break; 773 } 774 return rc; 775 } 776 777 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev) 778 { 779 return HW_HASH_INDEX_SIZE; 780 } 781 782 static u32 bnxt_get_rxfh_key_size(struct net_device *dev) 783 { 784 return HW_HASH_KEY_SIZE; 785 } 786 787 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, 788 u8 *hfunc) 789 { 790 struct bnxt *bp = netdev_priv(dev); 791 struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; 792 int i = 0; 793 794 if (hfunc) 795 *hfunc = ETH_RSS_HASH_TOP; 796 797 if (indir) 798 for (i = 0; i < HW_HASH_INDEX_SIZE; i++) 799 indir[i] = le16_to_cpu(vnic->rss_table[i]); 800 801 if (key) 802 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE); 803 804 return 0; 805 } 806 807 static void bnxt_get_drvinfo(struct net_device *dev, 808 struct ethtool_drvinfo *info) 809 { 810 struct bnxt *bp = netdev_priv(dev); 811 char *pkglog; 812 char *pkgver = NULL; 813 814 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL); 815 if (pkglog) 816 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH); 817 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 818 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 819 if (pkgver && *pkgver != 0 && isdigit(*pkgver)) 820 snprintf(info->fw_version, sizeof(info->fw_version) - 1, 821 "%s pkg %s", bp->fw_ver_str, pkgver); 822 else 823 strlcpy(info->fw_version, bp->fw_ver_str, 824 sizeof(info->fw_version)); 825 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); 826 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings; 827 info->testinfo_len = BNXT_NUM_TESTS(bp); 828 /* TODO CHIMP_FW: eeprom dump details */ 829 info->eedump_len = 0; 830 /* TODO CHIMP FW: reg dump details */ 831 info->regdump_len = 0; 832 kfree(pkglog); 833 } 834 835 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause) 836 { 837 u32 speed_mask = 0; 838 839 /* TODO: support 25GB, 40GB, 50GB with different cable type */ 840 /* set the advertised speeds */ 841 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB) 842 speed_mask |= ADVERTISED_100baseT_Full; 843 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB) 844 speed_mask |= ADVERTISED_1000baseT_Full; 845 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB) 846 speed_mask |= ADVERTISED_2500baseX_Full; 847 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB) 848 speed_mask |= ADVERTISED_10000baseT_Full; 849 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB) 850 speed_mask |= ADVERTISED_40000baseCR4_Full; 851 852 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH) 853 speed_mask |= ADVERTISED_Pause; 854 else if (fw_pause & BNXT_LINK_PAUSE_TX) 855 speed_mask |= ADVERTISED_Asym_Pause; 856 else if (fw_pause & BNXT_LINK_PAUSE_RX) 857 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; 858 859 return speed_mask; 860 } 861 862 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\ 863 { \ 864 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \ 865 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 866 100baseT_Full); \ 867 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \ 868 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 869 1000baseT_Full); \ 870 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \ 871 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 872 10000baseT_Full); \ 873 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \ 874 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 875 25000baseCR_Full); \ 876 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \ 877 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 878 40000baseCR4_Full);\ 879 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \ 880 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 881 50000baseCR2_Full);\ 882 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \ 883 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 884 Pause); \ 885 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \ 886 ethtool_link_ksettings_add_link_mode( \ 887 lk_ksettings, name, Asym_Pause);\ 888 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \ 889 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 890 Asym_Pause); \ 891 } \ 892 } 893 894 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \ 895 { \ 896 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 897 100baseT_Full) || \ 898 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 899 100baseT_Half)) \ 900 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \ 901 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 902 1000baseT_Full) || \ 903 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 904 1000baseT_Half)) \ 905 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \ 906 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 907 10000baseT_Full)) \ 908 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \ 909 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 910 25000baseCR_Full)) \ 911 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \ 912 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 913 40000baseCR4_Full)) \ 914 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \ 915 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 916 50000baseCR2_Full)) \ 917 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \ 918 } 919 920 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info, 921 struct ethtool_link_ksettings *lk_ksettings) 922 { 923 u16 fw_speeds = link_info->advertising; 924 u8 fw_pause = 0; 925 926 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 927 fw_pause = link_info->auto_pause_setting; 928 929 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising); 930 } 931 932 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info, 933 struct ethtool_link_ksettings *lk_ksettings) 934 { 935 u16 fw_speeds = link_info->lp_auto_link_speeds; 936 u8 fw_pause = 0; 937 938 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 939 fw_pause = link_info->lp_pause; 940 941 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, 942 lp_advertising); 943 } 944 945 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info, 946 struct ethtool_link_ksettings *lk_ksettings) 947 { 948 u16 fw_speeds = link_info->support_speeds; 949 950 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported); 951 952 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause); 953 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 954 Asym_Pause); 955 956 if (link_info->support_auto_speeds) 957 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 958 Autoneg); 959 } 960 961 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) 962 { 963 switch (fw_link_speed) { 964 case BNXT_LINK_SPEED_100MB: 965 return SPEED_100; 966 case BNXT_LINK_SPEED_1GB: 967 return SPEED_1000; 968 case BNXT_LINK_SPEED_2_5GB: 969 return SPEED_2500; 970 case BNXT_LINK_SPEED_10GB: 971 return SPEED_10000; 972 case BNXT_LINK_SPEED_20GB: 973 return SPEED_20000; 974 case BNXT_LINK_SPEED_25GB: 975 return SPEED_25000; 976 case BNXT_LINK_SPEED_40GB: 977 return SPEED_40000; 978 case BNXT_LINK_SPEED_50GB: 979 return SPEED_50000; 980 default: 981 return SPEED_UNKNOWN; 982 } 983 } 984 985 static int bnxt_get_link_ksettings(struct net_device *dev, 986 struct ethtool_link_ksettings *lk_ksettings) 987 { 988 struct bnxt *bp = netdev_priv(dev); 989 struct bnxt_link_info *link_info = &bp->link_info; 990 struct ethtool_link_settings *base = &lk_ksettings->base; 991 u32 ethtool_speed; 992 993 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported); 994 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings); 995 996 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising); 997 if (link_info->autoneg) { 998 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings); 999 ethtool_link_ksettings_add_link_mode(lk_ksettings, 1000 advertising, Autoneg); 1001 base->autoneg = AUTONEG_ENABLE; 1002 if (link_info->phy_link_status == BNXT_LINK_LINK) 1003 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings); 1004 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); 1005 if (!netif_carrier_ok(dev)) 1006 base->duplex = DUPLEX_UNKNOWN; 1007 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) 1008 base->duplex = DUPLEX_FULL; 1009 else 1010 base->duplex = DUPLEX_HALF; 1011 } else { 1012 base->autoneg = AUTONEG_DISABLE; 1013 ethtool_speed = 1014 bnxt_fw_to_ethtool_speed(link_info->req_link_speed); 1015 base->duplex = DUPLEX_HALF; 1016 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL) 1017 base->duplex = DUPLEX_FULL; 1018 } 1019 base->speed = ethtool_speed; 1020 1021 base->port = PORT_NONE; 1022 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 1023 base->port = PORT_TP; 1024 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1025 TP); 1026 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 1027 TP); 1028 } else { 1029 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1030 FIBRE); 1031 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 1032 FIBRE); 1033 1034 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC) 1035 base->port = PORT_DA; 1036 else if (link_info->media_type == 1037 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE) 1038 base->port = PORT_FIBRE; 1039 } 1040 base->phy_address = link_info->phy_addr; 1041 1042 return 0; 1043 } 1044 1045 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed) 1046 { 1047 struct bnxt *bp = netdev_priv(dev); 1048 struct bnxt_link_info *link_info = &bp->link_info; 1049 u16 support_spds = link_info->support_speeds; 1050 u32 fw_speed = 0; 1051 1052 switch (ethtool_speed) { 1053 case SPEED_100: 1054 if (support_spds & BNXT_LINK_SPEED_MSK_100MB) 1055 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB; 1056 break; 1057 case SPEED_1000: 1058 if (support_spds & BNXT_LINK_SPEED_MSK_1GB) 1059 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB; 1060 break; 1061 case SPEED_2500: 1062 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB) 1063 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB; 1064 break; 1065 case SPEED_10000: 1066 if (support_spds & BNXT_LINK_SPEED_MSK_10GB) 1067 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB; 1068 break; 1069 case SPEED_20000: 1070 if (support_spds & BNXT_LINK_SPEED_MSK_20GB) 1071 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB; 1072 break; 1073 case SPEED_25000: 1074 if (support_spds & BNXT_LINK_SPEED_MSK_25GB) 1075 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB; 1076 break; 1077 case SPEED_40000: 1078 if (support_spds & BNXT_LINK_SPEED_MSK_40GB) 1079 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB; 1080 break; 1081 case SPEED_50000: 1082 if (support_spds & BNXT_LINK_SPEED_MSK_50GB) 1083 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB; 1084 break; 1085 default: 1086 netdev_err(dev, "unsupported speed!\n"); 1087 break; 1088 } 1089 return fw_speed; 1090 } 1091 1092 u16 bnxt_get_fw_auto_link_speeds(u32 advertising) 1093 { 1094 u16 fw_speed_mask = 0; 1095 1096 /* only support autoneg at speed 100, 1000, and 10000 */ 1097 if (advertising & (ADVERTISED_100baseT_Full | 1098 ADVERTISED_100baseT_Half)) { 1099 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB; 1100 } 1101 if (advertising & (ADVERTISED_1000baseT_Full | 1102 ADVERTISED_1000baseT_Half)) { 1103 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB; 1104 } 1105 if (advertising & ADVERTISED_10000baseT_Full) 1106 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB; 1107 1108 if (advertising & ADVERTISED_40000baseCR4_Full) 1109 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB; 1110 1111 return fw_speed_mask; 1112 } 1113 1114 static int bnxt_set_link_ksettings(struct net_device *dev, 1115 const struct ethtool_link_ksettings *lk_ksettings) 1116 { 1117 struct bnxt *bp = netdev_priv(dev); 1118 struct bnxt_link_info *link_info = &bp->link_info; 1119 const struct ethtool_link_settings *base = &lk_ksettings->base; 1120 bool set_pause = false; 1121 u16 fw_advertising = 0; 1122 u32 speed; 1123 int rc = 0; 1124 1125 if (!BNXT_SINGLE_PF(bp)) 1126 return -EOPNOTSUPP; 1127 1128 if (base->autoneg == AUTONEG_ENABLE) { 1129 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings, 1130 advertising); 1131 link_info->autoneg |= BNXT_AUTONEG_SPEED; 1132 if (!fw_advertising) 1133 link_info->advertising = link_info->support_auto_speeds; 1134 else 1135 link_info->advertising = fw_advertising; 1136 /* any change to autoneg will cause link change, therefore the 1137 * driver should put back the original pause setting in autoneg 1138 */ 1139 set_pause = true; 1140 } else { 1141 u16 fw_speed; 1142 u8 phy_type = link_info->phy_type; 1143 1144 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET || 1145 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE || 1146 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 1147 netdev_err(dev, "10GBase-T devices must autoneg\n"); 1148 rc = -EINVAL; 1149 goto set_setting_exit; 1150 } 1151 if (base->duplex == DUPLEX_HALF) { 1152 netdev_err(dev, "HALF DUPLEX is not supported!\n"); 1153 rc = -EINVAL; 1154 goto set_setting_exit; 1155 } 1156 speed = base->speed; 1157 fw_speed = bnxt_get_fw_speed(dev, speed); 1158 if (!fw_speed) { 1159 rc = -EINVAL; 1160 goto set_setting_exit; 1161 } 1162 link_info->req_link_speed = fw_speed; 1163 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL; 1164 link_info->autoneg = 0; 1165 link_info->advertising = 0; 1166 } 1167 1168 if (netif_running(dev)) 1169 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false); 1170 1171 set_setting_exit: 1172 return rc; 1173 } 1174 1175 static void bnxt_get_pauseparam(struct net_device *dev, 1176 struct ethtool_pauseparam *epause) 1177 { 1178 struct bnxt *bp = netdev_priv(dev); 1179 struct bnxt_link_info *link_info = &bp->link_info; 1180 1181 if (BNXT_VF(bp)) 1182 return; 1183 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL); 1184 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX); 1185 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX); 1186 } 1187 1188 static int bnxt_set_pauseparam(struct net_device *dev, 1189 struct ethtool_pauseparam *epause) 1190 { 1191 int rc = 0; 1192 struct bnxt *bp = netdev_priv(dev); 1193 struct bnxt_link_info *link_info = &bp->link_info; 1194 1195 if (!BNXT_SINGLE_PF(bp)) 1196 return -EOPNOTSUPP; 1197 1198 if (epause->autoneg) { 1199 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 1200 return -EINVAL; 1201 1202 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; 1203 if (bp->hwrm_spec_code >= 0x10201) 1204 link_info->req_flow_ctrl = 1205 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE; 1206 } else { 1207 /* when transition from auto pause to force pause, 1208 * force a link change 1209 */ 1210 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 1211 link_info->force_link_chng = true; 1212 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL; 1213 link_info->req_flow_ctrl = 0; 1214 } 1215 if (epause->rx_pause) 1216 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX; 1217 1218 if (epause->tx_pause) 1219 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX; 1220 1221 if (netif_running(dev)) 1222 rc = bnxt_hwrm_set_pause(bp); 1223 return rc; 1224 } 1225 1226 static u32 bnxt_get_link(struct net_device *dev) 1227 { 1228 struct bnxt *bp = netdev_priv(dev); 1229 1230 /* TODO: handle MF, VF, driver close case */ 1231 return bp->link_info.link_up; 1232 } 1233 1234 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1235 u16 ext, u16 *index, u32 *item_length, 1236 u32 *data_length); 1237 1238 static int bnxt_flash_nvram(struct net_device *dev, 1239 u16 dir_type, 1240 u16 dir_ordinal, 1241 u16 dir_ext, 1242 u16 dir_attr, 1243 const u8 *data, 1244 size_t data_len) 1245 { 1246 struct bnxt *bp = netdev_priv(dev); 1247 int rc; 1248 struct hwrm_nvm_write_input req = {0}; 1249 dma_addr_t dma_handle; 1250 u8 *kmem; 1251 1252 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1); 1253 1254 req.dir_type = cpu_to_le16(dir_type); 1255 req.dir_ordinal = cpu_to_le16(dir_ordinal); 1256 req.dir_ext = cpu_to_le16(dir_ext); 1257 req.dir_attr = cpu_to_le16(dir_attr); 1258 req.dir_data_length = cpu_to_le32(data_len); 1259 1260 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle, 1261 GFP_KERNEL); 1262 if (!kmem) { 1263 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1264 (unsigned)data_len); 1265 return -ENOMEM; 1266 } 1267 memcpy(kmem, data, data_len); 1268 req.host_src_addr = cpu_to_le64(dma_handle); 1269 1270 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT); 1271 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle); 1272 1273 return rc; 1274 } 1275 1276 static int bnxt_firmware_reset(struct net_device *dev, 1277 u16 dir_type) 1278 { 1279 struct bnxt *bp = netdev_priv(dev); 1280 struct hwrm_fw_reset_input req = {0}; 1281 1282 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); 1283 1284 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */ 1285 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */ 1286 /* (e.g. when firmware isn't already running) */ 1287 switch (dir_type) { 1288 case BNX_DIR_TYPE_CHIMP_PATCH: 1289 case BNX_DIR_TYPE_BOOTCODE: 1290 case BNX_DIR_TYPE_BOOTCODE_2: 1291 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT; 1292 /* Self-reset ChiMP upon next PCIe reset: */ 1293 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 1294 break; 1295 case BNX_DIR_TYPE_APE_FW: 1296 case BNX_DIR_TYPE_APE_PATCH: 1297 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT; 1298 /* Self-reset APE upon next PCIe reset: */ 1299 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 1300 break; 1301 case BNX_DIR_TYPE_KONG_FW: 1302 case BNX_DIR_TYPE_KONG_PATCH: 1303 req.embedded_proc_type = 1304 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL; 1305 break; 1306 case BNX_DIR_TYPE_BONO_FW: 1307 case BNX_DIR_TYPE_BONO_PATCH: 1308 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE; 1309 break; 1310 default: 1311 return -EINVAL; 1312 } 1313 1314 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1315 } 1316 1317 static int bnxt_flash_firmware(struct net_device *dev, 1318 u16 dir_type, 1319 const u8 *fw_data, 1320 size_t fw_size) 1321 { 1322 int rc = 0; 1323 u16 code_type; 1324 u32 stored_crc; 1325 u32 calculated_crc; 1326 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data; 1327 1328 switch (dir_type) { 1329 case BNX_DIR_TYPE_BOOTCODE: 1330 case BNX_DIR_TYPE_BOOTCODE_2: 1331 code_type = CODE_BOOT; 1332 break; 1333 case BNX_DIR_TYPE_CHIMP_PATCH: 1334 code_type = CODE_CHIMP_PATCH; 1335 break; 1336 case BNX_DIR_TYPE_APE_FW: 1337 code_type = CODE_MCTP_PASSTHRU; 1338 break; 1339 case BNX_DIR_TYPE_APE_PATCH: 1340 code_type = CODE_APE_PATCH; 1341 break; 1342 case BNX_DIR_TYPE_KONG_FW: 1343 code_type = CODE_KONG_FW; 1344 break; 1345 case BNX_DIR_TYPE_KONG_PATCH: 1346 code_type = CODE_KONG_PATCH; 1347 break; 1348 case BNX_DIR_TYPE_BONO_FW: 1349 code_type = CODE_BONO_FW; 1350 break; 1351 case BNX_DIR_TYPE_BONO_PATCH: 1352 code_type = CODE_BONO_PATCH; 1353 break; 1354 default: 1355 netdev_err(dev, "Unsupported directory entry type: %u\n", 1356 dir_type); 1357 return -EINVAL; 1358 } 1359 if (fw_size < sizeof(struct bnxt_fw_header)) { 1360 netdev_err(dev, "Invalid firmware file size: %u\n", 1361 (unsigned int)fw_size); 1362 return -EINVAL; 1363 } 1364 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) { 1365 netdev_err(dev, "Invalid firmware signature: %08X\n", 1366 le32_to_cpu(header->signature)); 1367 return -EINVAL; 1368 } 1369 if (header->code_type != code_type) { 1370 netdev_err(dev, "Expected firmware type: %d, read: %d\n", 1371 code_type, header->code_type); 1372 return -EINVAL; 1373 } 1374 if (header->device != DEVICE_CUMULUS_FAMILY) { 1375 netdev_err(dev, "Expected firmware device family %d, read: %d\n", 1376 DEVICE_CUMULUS_FAMILY, header->device); 1377 return -EINVAL; 1378 } 1379 /* Confirm the CRC32 checksum of the file: */ 1380 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1381 sizeof(stored_crc))); 1382 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1383 if (calculated_crc != stored_crc) { 1384 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n", 1385 (unsigned long)stored_crc, 1386 (unsigned long)calculated_crc); 1387 return -EINVAL; 1388 } 1389 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1390 0, 0, fw_data, fw_size); 1391 if (rc == 0) /* Firmware update successful */ 1392 rc = bnxt_firmware_reset(dev, dir_type); 1393 1394 return rc; 1395 } 1396 1397 static int bnxt_flash_microcode(struct net_device *dev, 1398 u16 dir_type, 1399 const u8 *fw_data, 1400 size_t fw_size) 1401 { 1402 struct bnxt_ucode_trailer *trailer; 1403 u32 calculated_crc; 1404 u32 stored_crc; 1405 int rc = 0; 1406 1407 if (fw_size < sizeof(struct bnxt_ucode_trailer)) { 1408 netdev_err(dev, "Invalid microcode file size: %u\n", 1409 (unsigned int)fw_size); 1410 return -EINVAL; 1411 } 1412 trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size - 1413 sizeof(*trailer))); 1414 if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) { 1415 netdev_err(dev, "Invalid microcode trailer signature: %08X\n", 1416 le32_to_cpu(trailer->sig)); 1417 return -EINVAL; 1418 } 1419 if (le16_to_cpu(trailer->dir_type) != dir_type) { 1420 netdev_err(dev, "Expected microcode type: %d, read: %d\n", 1421 dir_type, le16_to_cpu(trailer->dir_type)); 1422 return -EINVAL; 1423 } 1424 if (le16_to_cpu(trailer->trailer_length) < 1425 sizeof(struct bnxt_ucode_trailer)) { 1426 netdev_err(dev, "Invalid microcode trailer length: %d\n", 1427 le16_to_cpu(trailer->trailer_length)); 1428 return -EINVAL; 1429 } 1430 1431 /* Confirm the CRC32 checksum of the file: */ 1432 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1433 sizeof(stored_crc))); 1434 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1435 if (calculated_crc != stored_crc) { 1436 netdev_err(dev, 1437 "CRC32 (%08lX) does not match calculated: %08lX\n", 1438 (unsigned long)stored_crc, 1439 (unsigned long)calculated_crc); 1440 return -EINVAL; 1441 } 1442 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1443 0, 0, fw_data, fw_size); 1444 1445 return rc; 1446 } 1447 1448 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type) 1449 { 1450 switch (dir_type) { 1451 case BNX_DIR_TYPE_CHIMP_PATCH: 1452 case BNX_DIR_TYPE_BOOTCODE: 1453 case BNX_DIR_TYPE_BOOTCODE_2: 1454 case BNX_DIR_TYPE_APE_FW: 1455 case BNX_DIR_TYPE_APE_PATCH: 1456 case BNX_DIR_TYPE_KONG_FW: 1457 case BNX_DIR_TYPE_KONG_PATCH: 1458 case BNX_DIR_TYPE_BONO_FW: 1459 case BNX_DIR_TYPE_BONO_PATCH: 1460 return true; 1461 } 1462 1463 return false; 1464 } 1465 1466 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type) 1467 { 1468 switch (dir_type) { 1469 case BNX_DIR_TYPE_AVS: 1470 case BNX_DIR_TYPE_EXP_ROM_MBA: 1471 case BNX_DIR_TYPE_PCIE: 1472 case BNX_DIR_TYPE_TSCF_UCODE: 1473 case BNX_DIR_TYPE_EXT_PHY: 1474 case BNX_DIR_TYPE_CCM: 1475 case BNX_DIR_TYPE_ISCSI_BOOT: 1476 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6: 1477 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6: 1478 return true; 1479 } 1480 1481 return false; 1482 } 1483 1484 static bool bnxt_dir_type_is_executable(u16 dir_type) 1485 { 1486 return bnxt_dir_type_is_ape_bin_format(dir_type) || 1487 bnxt_dir_type_is_other_exec_format(dir_type); 1488 } 1489 1490 static int bnxt_flash_firmware_from_file(struct net_device *dev, 1491 u16 dir_type, 1492 const char *filename) 1493 { 1494 const struct firmware *fw; 1495 int rc; 1496 1497 rc = request_firmware(&fw, filename, &dev->dev); 1498 if (rc != 0) { 1499 netdev_err(dev, "Error %d requesting firmware file: %s\n", 1500 rc, filename); 1501 return rc; 1502 } 1503 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true) 1504 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size); 1505 else if (bnxt_dir_type_is_other_exec_format(dir_type) == true) 1506 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size); 1507 else 1508 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1509 0, 0, fw->data, fw->size); 1510 release_firmware(fw); 1511 return rc; 1512 } 1513 1514 static int bnxt_flash_package_from_file(struct net_device *dev, 1515 char *filename, u32 install_type) 1516 { 1517 struct bnxt *bp = netdev_priv(dev); 1518 struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr; 1519 struct hwrm_nvm_install_update_input install = {0}; 1520 const struct firmware *fw; 1521 u32 item_len; 1522 u16 index; 1523 int rc; 1524 1525 bnxt_hwrm_fw_set_time(bp); 1526 1527 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE, 1528 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1529 &index, &item_len, NULL) != 0) { 1530 netdev_err(dev, "PKG update area not created in nvram\n"); 1531 return -ENOBUFS; 1532 } 1533 1534 rc = request_firmware(&fw, filename, &dev->dev); 1535 if (rc != 0) { 1536 netdev_err(dev, "PKG error %d requesting file: %s\n", 1537 rc, filename); 1538 return rc; 1539 } 1540 1541 if (fw->size > item_len) { 1542 netdev_err(dev, "PKG insufficient update area in nvram: %lu", 1543 (unsigned long)fw->size); 1544 rc = -EFBIG; 1545 } else { 1546 dma_addr_t dma_handle; 1547 u8 *kmem; 1548 struct hwrm_nvm_modify_input modify = {0}; 1549 1550 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1); 1551 1552 modify.dir_idx = cpu_to_le16(index); 1553 modify.len = cpu_to_le32(fw->size); 1554 1555 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size, 1556 &dma_handle, GFP_KERNEL); 1557 if (!kmem) { 1558 netdev_err(dev, 1559 "dma_alloc_coherent failure, length = %u\n", 1560 (unsigned int)fw->size); 1561 rc = -ENOMEM; 1562 } else { 1563 memcpy(kmem, fw->data, fw->size); 1564 modify.host_src_addr = cpu_to_le64(dma_handle); 1565 1566 rc = hwrm_send_message(bp, &modify, sizeof(modify), 1567 FLASH_PACKAGE_TIMEOUT); 1568 dma_free_coherent(&bp->pdev->dev, fw->size, kmem, 1569 dma_handle); 1570 } 1571 } 1572 release_firmware(fw); 1573 if (rc) 1574 return rc; 1575 1576 if ((install_type & 0xffff) == 0) 1577 install_type >>= 16; 1578 bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1); 1579 install.install_type = cpu_to_le32(install_type); 1580 1581 mutex_lock(&bp->hwrm_cmd_lock); 1582 rc = _hwrm_send_message(bp, &install, sizeof(install), 1583 INSTALL_PACKAGE_TIMEOUT); 1584 if (rc) { 1585 rc = -EOPNOTSUPP; 1586 goto flash_pkg_exit; 1587 } 1588 1589 if (resp->error_code) { 1590 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err; 1591 1592 if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) { 1593 install.flags |= cpu_to_le16( 1594 NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG); 1595 rc = _hwrm_send_message(bp, &install, sizeof(install), 1596 INSTALL_PACKAGE_TIMEOUT); 1597 if (rc) { 1598 rc = -EOPNOTSUPP; 1599 goto flash_pkg_exit; 1600 } 1601 } 1602 } 1603 1604 if (resp->result) { 1605 netdev_err(dev, "PKG install error = %d, problem_item = %d\n", 1606 (s8)resp->result, (int)resp->problem_item); 1607 rc = -ENOPKG; 1608 } 1609 flash_pkg_exit: 1610 mutex_unlock(&bp->hwrm_cmd_lock); 1611 return rc; 1612 } 1613 1614 static int bnxt_flash_device(struct net_device *dev, 1615 struct ethtool_flash *flash) 1616 { 1617 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) { 1618 netdev_err(dev, "flashdev not supported from a virtual function\n"); 1619 return -EINVAL; 1620 } 1621 1622 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS || 1623 flash->region > 0xffff) 1624 return bnxt_flash_package_from_file(dev, flash->data, 1625 flash->region); 1626 1627 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data); 1628 } 1629 1630 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length) 1631 { 1632 struct bnxt *bp = netdev_priv(dev); 1633 int rc; 1634 struct hwrm_nvm_get_dir_info_input req = {0}; 1635 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr; 1636 1637 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1); 1638 1639 mutex_lock(&bp->hwrm_cmd_lock); 1640 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1641 if (!rc) { 1642 *entries = le32_to_cpu(output->entries); 1643 *length = le32_to_cpu(output->entry_length); 1644 } 1645 mutex_unlock(&bp->hwrm_cmd_lock); 1646 return rc; 1647 } 1648 1649 static int bnxt_get_eeprom_len(struct net_device *dev) 1650 { 1651 /* The -1 return value allows the entire 32-bit range of offsets to be 1652 * passed via the ethtool command-line utility. 1653 */ 1654 return -1; 1655 } 1656 1657 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) 1658 { 1659 struct bnxt *bp = netdev_priv(dev); 1660 int rc; 1661 u32 dir_entries; 1662 u32 entry_length; 1663 u8 *buf; 1664 size_t buflen; 1665 dma_addr_t dma_handle; 1666 struct hwrm_nvm_get_dir_entries_input req = {0}; 1667 1668 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length); 1669 if (rc != 0) 1670 return rc; 1671 1672 /* Insert 2 bytes of directory info (count and size of entries) */ 1673 if (len < 2) 1674 return -EINVAL; 1675 1676 *data++ = dir_entries; 1677 *data++ = entry_length; 1678 len -= 2; 1679 memset(data, 0xff, len); 1680 1681 buflen = dir_entries * entry_length; 1682 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle, 1683 GFP_KERNEL); 1684 if (!buf) { 1685 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1686 (unsigned)buflen); 1687 return -ENOMEM; 1688 } 1689 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1); 1690 req.host_dest_addr = cpu_to_le64(dma_handle); 1691 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1692 if (rc == 0) 1693 memcpy(data, buf, len > buflen ? buflen : len); 1694 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle); 1695 return rc; 1696 } 1697 1698 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, 1699 u32 length, u8 *data) 1700 { 1701 struct bnxt *bp = netdev_priv(dev); 1702 int rc; 1703 u8 *buf; 1704 dma_addr_t dma_handle; 1705 struct hwrm_nvm_read_input req = {0}; 1706 1707 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle, 1708 GFP_KERNEL); 1709 if (!buf) { 1710 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1711 (unsigned)length); 1712 return -ENOMEM; 1713 } 1714 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1); 1715 req.host_dest_addr = cpu_to_le64(dma_handle); 1716 req.dir_idx = cpu_to_le16(index); 1717 req.offset = cpu_to_le32(offset); 1718 req.len = cpu_to_le32(length); 1719 1720 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1721 if (rc == 0) 1722 memcpy(data, buf, length); 1723 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle); 1724 return rc; 1725 } 1726 1727 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1728 u16 ext, u16 *index, u32 *item_length, 1729 u32 *data_length) 1730 { 1731 struct bnxt *bp = netdev_priv(dev); 1732 int rc; 1733 struct hwrm_nvm_find_dir_entry_input req = {0}; 1734 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr; 1735 1736 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1); 1737 req.enables = 0; 1738 req.dir_idx = 0; 1739 req.dir_type = cpu_to_le16(type); 1740 req.dir_ordinal = cpu_to_le16(ordinal); 1741 req.dir_ext = cpu_to_le16(ext); 1742 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ; 1743 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1744 if (rc == 0) { 1745 if (index) 1746 *index = le16_to_cpu(output->dir_idx); 1747 if (item_length) 1748 *item_length = le32_to_cpu(output->dir_item_length); 1749 if (data_length) 1750 *data_length = le32_to_cpu(output->dir_data_length); 1751 } 1752 return rc; 1753 } 1754 1755 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen) 1756 { 1757 char *retval = NULL; 1758 char *p; 1759 char *value; 1760 int field = 0; 1761 1762 if (datalen < 1) 1763 return NULL; 1764 /* null-terminate the log data (removing last '\n'): */ 1765 data[datalen - 1] = 0; 1766 for (p = data; *p != 0; p++) { 1767 field = 0; 1768 retval = NULL; 1769 while (*p != 0 && *p != '\n') { 1770 value = p; 1771 while (*p != 0 && *p != '\t' && *p != '\n') 1772 p++; 1773 if (field == desired_field) 1774 retval = value; 1775 if (*p != '\t') 1776 break; 1777 *p = 0; 1778 field++; 1779 p++; 1780 } 1781 if (*p == 0) 1782 break; 1783 *p = 0; 1784 } 1785 return retval; 1786 } 1787 1788 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen) 1789 { 1790 u16 index = 0; 1791 u32 datalen; 1792 1793 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG, 1794 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1795 &index, NULL, &datalen) != 0) 1796 return NULL; 1797 1798 memset(buf, 0, buflen); 1799 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0) 1800 return NULL; 1801 1802 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf, 1803 datalen); 1804 } 1805 1806 static int bnxt_get_eeprom(struct net_device *dev, 1807 struct ethtool_eeprom *eeprom, 1808 u8 *data) 1809 { 1810 u32 index; 1811 u32 offset; 1812 1813 if (eeprom->offset == 0) /* special offset value to get directory */ 1814 return bnxt_get_nvram_directory(dev, eeprom->len, data); 1815 1816 index = eeprom->offset >> 24; 1817 offset = eeprom->offset & 0xffffff; 1818 1819 if (index == 0) { 1820 netdev_err(dev, "unsupported index value: %d\n", index); 1821 return -EINVAL; 1822 } 1823 1824 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data); 1825 } 1826 1827 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index) 1828 { 1829 struct bnxt *bp = netdev_priv(dev); 1830 struct hwrm_nvm_erase_dir_entry_input req = {0}; 1831 1832 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1); 1833 req.dir_idx = cpu_to_le16(index); 1834 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1835 } 1836 1837 static int bnxt_set_eeprom(struct net_device *dev, 1838 struct ethtool_eeprom *eeprom, 1839 u8 *data) 1840 { 1841 struct bnxt *bp = netdev_priv(dev); 1842 u8 index, dir_op; 1843 u16 type, ext, ordinal, attr; 1844 1845 if (!BNXT_PF(bp)) { 1846 netdev_err(dev, "NVM write not supported from a virtual function\n"); 1847 return -EINVAL; 1848 } 1849 1850 type = eeprom->magic >> 16; 1851 1852 if (type == 0xffff) { /* special value for directory operations */ 1853 index = eeprom->magic & 0xff; 1854 dir_op = eeprom->magic >> 8; 1855 if (index == 0) 1856 return -EINVAL; 1857 switch (dir_op) { 1858 case 0x0e: /* erase */ 1859 if (eeprom->offset != ~eeprom->magic) 1860 return -EINVAL; 1861 return bnxt_erase_nvram_directory(dev, index - 1); 1862 default: 1863 return -EINVAL; 1864 } 1865 } 1866 1867 /* Create or re-write an NVM item: */ 1868 if (bnxt_dir_type_is_executable(type) == true) 1869 return -EOPNOTSUPP; 1870 ext = eeprom->magic & 0xffff; 1871 ordinal = eeprom->offset >> 16; 1872 attr = eeprom->offset & 0xffff; 1873 1874 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data, 1875 eeprom->len); 1876 } 1877 1878 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) 1879 { 1880 struct bnxt *bp = netdev_priv(dev); 1881 struct ethtool_eee *eee = &bp->eee; 1882 struct bnxt_link_info *link_info = &bp->link_info; 1883 u32 advertising = 1884 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); 1885 int rc = 0; 1886 1887 if (!BNXT_SINGLE_PF(bp)) 1888 return -EOPNOTSUPP; 1889 1890 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1891 return -EOPNOTSUPP; 1892 1893 if (!edata->eee_enabled) 1894 goto eee_ok; 1895 1896 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { 1897 netdev_warn(dev, "EEE requires autoneg\n"); 1898 return -EINVAL; 1899 } 1900 if (edata->tx_lpi_enabled) { 1901 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi || 1902 edata->tx_lpi_timer < bp->lpi_tmr_lo)) { 1903 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n", 1904 bp->lpi_tmr_lo, bp->lpi_tmr_hi); 1905 return -EINVAL; 1906 } else if (!bp->lpi_tmr_hi) { 1907 edata->tx_lpi_timer = eee->tx_lpi_timer; 1908 } 1909 } 1910 if (!edata->advertised) { 1911 edata->advertised = advertising & eee->supported; 1912 } else if (edata->advertised & ~advertising) { 1913 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n", 1914 edata->advertised, advertising); 1915 return -EINVAL; 1916 } 1917 1918 eee->advertised = edata->advertised; 1919 eee->tx_lpi_enabled = edata->tx_lpi_enabled; 1920 eee->tx_lpi_timer = edata->tx_lpi_timer; 1921 eee_ok: 1922 eee->eee_enabled = edata->eee_enabled; 1923 1924 if (netif_running(dev)) 1925 rc = bnxt_hwrm_set_link_setting(bp, false, true); 1926 1927 return rc; 1928 } 1929 1930 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata) 1931 { 1932 struct bnxt *bp = netdev_priv(dev); 1933 1934 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1935 return -EOPNOTSUPP; 1936 1937 *edata = bp->eee; 1938 if (!bp->eee.eee_enabled) { 1939 /* Preserve tx_lpi_timer so that the last value will be used 1940 * by default when it is re-enabled. 1941 */ 1942 edata->advertised = 0; 1943 edata->tx_lpi_enabled = 0; 1944 } 1945 1946 if (!bp->eee.eee_active) 1947 edata->lp_advertised = 0; 1948 1949 return 0; 1950 } 1951 1952 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr, 1953 u16 page_number, u16 start_addr, 1954 u16 data_length, u8 *buf) 1955 { 1956 struct hwrm_port_phy_i2c_read_input req = {0}; 1957 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 1958 int rc, byte_offset = 0; 1959 1960 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 1961 req.i2c_slave_addr = i2c_addr; 1962 req.page_number = cpu_to_le16(page_number); 1963 req.port_id = cpu_to_le16(bp->pf.port_id); 1964 do { 1965 u16 xfer_size; 1966 1967 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE); 1968 data_length -= xfer_size; 1969 req.page_offset = cpu_to_le16(start_addr + byte_offset); 1970 req.data_length = xfer_size; 1971 req.enables = cpu_to_le32(start_addr + byte_offset ? 1972 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0); 1973 mutex_lock(&bp->hwrm_cmd_lock); 1974 rc = _hwrm_send_message(bp, &req, sizeof(req), 1975 HWRM_CMD_TIMEOUT); 1976 if (!rc) 1977 memcpy(buf + byte_offset, output->data, xfer_size); 1978 mutex_unlock(&bp->hwrm_cmd_lock); 1979 byte_offset += xfer_size; 1980 } while (!rc && data_length > 0); 1981 1982 return rc; 1983 } 1984 1985 static int bnxt_get_module_info(struct net_device *dev, 1986 struct ethtool_modinfo *modinfo) 1987 { 1988 struct bnxt *bp = netdev_priv(dev); 1989 struct hwrm_port_phy_i2c_read_input req = {0}; 1990 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 1991 int rc; 1992 1993 /* No point in going further if phy status indicates 1994 * module is not inserted or if it is powered down or 1995 * if it is of type 10GBase-T 1996 */ 1997 if (bp->link_info.module_status > 1998 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG) 1999 return -EOPNOTSUPP; 2000 2001 /* This feature is not supported in older firmware versions */ 2002 if (bp->hwrm_spec_code < 0x10202) 2003 return -EOPNOTSUPP; 2004 2005 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 2006 req.i2c_slave_addr = I2C_DEV_ADDR_A0; 2007 req.page_number = 0; 2008 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR); 2009 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE; 2010 req.port_id = cpu_to_le16(bp->pf.port_id); 2011 mutex_lock(&bp->hwrm_cmd_lock); 2012 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2013 if (!rc) { 2014 u32 module_id = le32_to_cpu(output->data[0]); 2015 2016 switch (module_id) { 2017 case SFF_MODULE_ID_SFP: 2018 modinfo->type = ETH_MODULE_SFF_8472; 2019 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 2020 break; 2021 case SFF_MODULE_ID_QSFP: 2022 case SFF_MODULE_ID_QSFP_PLUS: 2023 modinfo->type = ETH_MODULE_SFF_8436; 2024 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 2025 break; 2026 case SFF_MODULE_ID_QSFP28: 2027 modinfo->type = ETH_MODULE_SFF_8636; 2028 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 2029 break; 2030 default: 2031 rc = -EOPNOTSUPP; 2032 break; 2033 } 2034 } 2035 mutex_unlock(&bp->hwrm_cmd_lock); 2036 return rc; 2037 } 2038 2039 static int bnxt_get_module_eeprom(struct net_device *dev, 2040 struct ethtool_eeprom *eeprom, 2041 u8 *data) 2042 { 2043 struct bnxt *bp = netdev_priv(dev); 2044 u16 start = eeprom->offset, length = eeprom->len; 2045 int rc = 0; 2046 2047 memset(data, 0, eeprom->len); 2048 2049 /* Read A0 portion of the EEPROM */ 2050 if (start < ETH_MODULE_SFF_8436_LEN) { 2051 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN) 2052 length = ETH_MODULE_SFF_8436_LEN - start; 2053 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 2054 start, length, data); 2055 if (rc) 2056 return rc; 2057 start += length; 2058 data += length; 2059 length = eeprom->len - length; 2060 } 2061 2062 /* Read A2 portion of the EEPROM */ 2063 if (length) { 2064 start -= ETH_MODULE_SFF_8436_LEN; 2065 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start, 2066 length, data); 2067 } 2068 return rc; 2069 } 2070 2071 static int bnxt_nway_reset(struct net_device *dev) 2072 { 2073 int rc = 0; 2074 2075 struct bnxt *bp = netdev_priv(dev); 2076 struct bnxt_link_info *link_info = &bp->link_info; 2077 2078 if (!BNXT_SINGLE_PF(bp)) 2079 return -EOPNOTSUPP; 2080 2081 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 2082 return -EINVAL; 2083 2084 if (netif_running(dev)) 2085 rc = bnxt_hwrm_set_link_setting(bp, true, false); 2086 2087 return rc; 2088 } 2089 2090 static int bnxt_set_phys_id(struct net_device *dev, 2091 enum ethtool_phys_id_state state) 2092 { 2093 struct hwrm_port_led_cfg_input req = {0}; 2094 struct bnxt *bp = netdev_priv(dev); 2095 struct bnxt_pf_info *pf = &bp->pf; 2096 struct bnxt_led_cfg *led_cfg; 2097 u8 led_state; 2098 __le16 duration; 2099 int i, rc; 2100 2101 if (!bp->num_leds || BNXT_VF(bp)) 2102 return -EOPNOTSUPP; 2103 2104 if (state == ETHTOOL_ID_ACTIVE) { 2105 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT; 2106 duration = cpu_to_le16(500); 2107 } else if (state == ETHTOOL_ID_INACTIVE) { 2108 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT; 2109 duration = cpu_to_le16(0); 2110 } else { 2111 return -EINVAL; 2112 } 2113 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1); 2114 req.port_id = cpu_to_le16(pf->port_id); 2115 req.num_leds = bp->num_leds; 2116 led_cfg = (struct bnxt_led_cfg *)&req.led0_id; 2117 for (i = 0; i < bp->num_leds; i++, led_cfg++) { 2118 req.enables |= BNXT_LED_DFLT_ENABLES(i); 2119 led_cfg->led_id = bp->leds[i].led_id; 2120 led_cfg->led_state = led_state; 2121 led_cfg->led_blink_on = duration; 2122 led_cfg->led_blink_off = duration; 2123 led_cfg->led_group_id = bp->leds[i].led_group_id; 2124 } 2125 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2126 if (rc) 2127 rc = -EIO; 2128 return rc; 2129 } 2130 2131 const struct ethtool_ops bnxt_ethtool_ops = { 2132 .get_link_ksettings = bnxt_get_link_ksettings, 2133 .set_link_ksettings = bnxt_set_link_ksettings, 2134 .get_pauseparam = bnxt_get_pauseparam, 2135 .set_pauseparam = bnxt_set_pauseparam, 2136 .get_drvinfo = bnxt_get_drvinfo, 2137 .get_coalesce = bnxt_get_coalesce, 2138 .set_coalesce = bnxt_set_coalesce, 2139 .get_msglevel = bnxt_get_msglevel, 2140 .set_msglevel = bnxt_set_msglevel, 2141 .get_sset_count = bnxt_get_sset_count, 2142 .get_strings = bnxt_get_strings, 2143 .get_ethtool_stats = bnxt_get_ethtool_stats, 2144 .set_ringparam = bnxt_set_ringparam, 2145 .get_ringparam = bnxt_get_ringparam, 2146 .get_channels = bnxt_get_channels, 2147 .set_channels = bnxt_set_channels, 2148 .get_rxnfc = bnxt_get_rxnfc, 2149 .set_rxnfc = bnxt_set_rxnfc, 2150 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size, 2151 .get_rxfh_key_size = bnxt_get_rxfh_key_size, 2152 .get_rxfh = bnxt_get_rxfh, 2153 .flash_device = bnxt_flash_device, 2154 .get_eeprom_len = bnxt_get_eeprom_len, 2155 .get_eeprom = bnxt_get_eeprom, 2156 .set_eeprom = bnxt_set_eeprom, 2157 .get_link = bnxt_get_link, 2158 .get_eee = bnxt_get_eee, 2159 .set_eee = bnxt_set_eee, 2160 .get_module_info = bnxt_get_module_info, 2161 .get_module_eeprom = bnxt_get_module_eeprom, 2162 .nway_reset = bnxt_nway_reset, 2163 .set_phys_id = bnxt_set_phys_id, 2164 }; 2165