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