1 /* Broadcom NetXtreme-C/E network driver. 2 * 3 * Copyright (c) 2014-2016 Broadcom Corporation 4 * Copyright (c) 2016-2017 Broadcom Limited 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation. 9 */ 10 11 #include <linux/ctype.h> 12 #include <linux/stringify.h> 13 #include <linux/ethtool.h> 14 #include <linux/interrupt.h> 15 #include <linux/pci.h> 16 #include <linux/etherdevice.h> 17 #include <linux/crc32.h> 18 #include <linux/firmware.h> 19 #include "bnxt_hsi.h" 20 #include "bnxt.h" 21 #include "bnxt_xdp.h" 22 #include "bnxt_ethtool.h" 23 #include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */ 24 #include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */ 25 #define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100) 26 #define FLASH_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200) 27 #define INSTALL_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200) 28 29 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen); 30 31 static u32 bnxt_get_msglevel(struct net_device *dev) 32 { 33 struct bnxt *bp = netdev_priv(dev); 34 35 return bp->msg_enable; 36 } 37 38 static void bnxt_set_msglevel(struct net_device *dev, u32 value) 39 { 40 struct bnxt *bp = netdev_priv(dev); 41 42 bp->msg_enable = value; 43 } 44 45 static int bnxt_get_coalesce(struct net_device *dev, 46 struct ethtool_coalesce *coal) 47 { 48 struct bnxt *bp = netdev_priv(dev); 49 50 memset(coal, 0, sizeof(*coal)); 51 52 coal->rx_coalesce_usecs = bp->rx_coal_ticks; 53 /* 2 completion records per rx packet */ 54 coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2; 55 coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq; 56 coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2; 57 58 coal->tx_coalesce_usecs = bp->tx_coal_ticks; 59 coal->tx_max_coalesced_frames = bp->tx_coal_bufs; 60 coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq; 61 coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq; 62 63 coal->stats_block_coalesce_usecs = bp->stats_coal_ticks; 64 65 return 0; 66 } 67 68 static int bnxt_set_coalesce(struct net_device *dev, 69 struct ethtool_coalesce *coal) 70 { 71 struct bnxt *bp = netdev_priv(dev); 72 bool update_stats = false; 73 int rc = 0; 74 75 bp->rx_coal_ticks = coal->rx_coalesce_usecs; 76 /* 2 completion records per rx packet */ 77 bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2; 78 bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq; 79 bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2; 80 81 bp->tx_coal_ticks = coal->tx_coalesce_usecs; 82 bp->tx_coal_bufs = coal->tx_max_coalesced_frames; 83 bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq; 84 bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq; 85 86 if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) { 87 u32 stats_ticks = coal->stats_block_coalesce_usecs; 88 89 stats_ticks = clamp_t(u32, stats_ticks, 90 BNXT_MIN_STATS_COAL_TICKS, 91 BNXT_MAX_STATS_COAL_TICKS); 92 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS); 93 bp->stats_coal_ticks = stats_ticks; 94 update_stats = true; 95 } 96 97 if (netif_running(dev)) { 98 if (update_stats) { 99 rc = bnxt_close_nic(bp, true, false); 100 if (!rc) 101 rc = bnxt_open_nic(bp, true, false); 102 } else { 103 rc = bnxt_hwrm_set_coal(bp); 104 } 105 } 106 107 return rc; 108 } 109 110 #define BNXT_NUM_STATS 21 111 112 #define BNXT_RX_STATS_ENTRY(counter) \ 113 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) } 114 115 #define BNXT_TX_STATS_ENTRY(counter) \ 116 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) } 117 118 static const struct { 119 long offset; 120 char string[ETH_GSTRING_LEN]; 121 } bnxt_port_stats_arr[] = { 122 BNXT_RX_STATS_ENTRY(rx_64b_frames), 123 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames), 124 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames), 125 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames), 126 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames), 127 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames), 128 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames), 129 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames), 130 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames), 131 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames), 132 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames), 133 BNXT_RX_STATS_ENTRY(rx_total_frames), 134 BNXT_RX_STATS_ENTRY(rx_ucast_frames), 135 BNXT_RX_STATS_ENTRY(rx_mcast_frames), 136 BNXT_RX_STATS_ENTRY(rx_bcast_frames), 137 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames), 138 BNXT_RX_STATS_ENTRY(rx_ctrl_frames), 139 BNXT_RX_STATS_ENTRY(rx_pause_frames), 140 BNXT_RX_STATS_ENTRY(rx_pfc_frames), 141 BNXT_RX_STATS_ENTRY(rx_align_err_frames), 142 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames), 143 BNXT_RX_STATS_ENTRY(rx_jbr_frames), 144 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames), 145 BNXT_RX_STATS_ENTRY(rx_tagged_frames), 146 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames), 147 BNXT_RX_STATS_ENTRY(rx_good_frames), 148 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0), 149 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1), 150 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2), 151 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3), 152 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4), 153 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5), 154 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6), 155 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7), 156 BNXT_RX_STATS_ENTRY(rx_undrsz_frames), 157 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events), 158 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration), 159 BNXT_RX_STATS_ENTRY(rx_bytes), 160 BNXT_RX_STATS_ENTRY(rx_runt_bytes), 161 BNXT_RX_STATS_ENTRY(rx_runt_frames), 162 163 BNXT_TX_STATS_ENTRY(tx_64b_frames), 164 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames), 165 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames), 166 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames), 167 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames), 168 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames), 169 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames), 170 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames), 171 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames), 172 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames), 173 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames), 174 BNXT_TX_STATS_ENTRY(tx_good_frames), 175 BNXT_TX_STATS_ENTRY(tx_total_frames), 176 BNXT_TX_STATS_ENTRY(tx_ucast_frames), 177 BNXT_TX_STATS_ENTRY(tx_mcast_frames), 178 BNXT_TX_STATS_ENTRY(tx_bcast_frames), 179 BNXT_TX_STATS_ENTRY(tx_pause_frames), 180 BNXT_TX_STATS_ENTRY(tx_pfc_frames), 181 BNXT_TX_STATS_ENTRY(tx_jabber_frames), 182 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames), 183 BNXT_TX_STATS_ENTRY(tx_err), 184 BNXT_TX_STATS_ENTRY(tx_fifo_underruns), 185 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0), 186 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1), 187 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2), 188 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3), 189 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4), 190 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5), 191 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6), 192 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7), 193 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events), 194 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration), 195 BNXT_TX_STATS_ENTRY(tx_total_collisions), 196 BNXT_TX_STATS_ENTRY(tx_bytes), 197 }; 198 199 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr) 200 201 static int bnxt_get_sset_count(struct net_device *dev, int sset) 202 { 203 struct bnxt *bp = netdev_priv(dev); 204 205 switch (sset) { 206 case ETH_SS_STATS: { 207 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings; 208 209 if (bp->flags & BNXT_FLAG_PORT_STATS) 210 num_stats += BNXT_NUM_PORT_STATS; 211 212 return num_stats; 213 } 214 case ETH_SS_TEST: 215 if (!bp->num_tests) 216 return -EOPNOTSUPP; 217 return bp->num_tests; 218 default: 219 return -EOPNOTSUPP; 220 } 221 } 222 223 static void bnxt_get_ethtool_stats(struct net_device *dev, 224 struct ethtool_stats *stats, u64 *buf) 225 { 226 u32 i, j = 0; 227 struct bnxt *bp = netdev_priv(dev); 228 u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings; 229 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8; 230 231 memset(buf, 0, buf_size); 232 233 if (!bp->bnapi) 234 return; 235 236 for (i = 0; i < bp->cp_nr_rings; i++) { 237 struct bnxt_napi *bnapi = bp->bnapi[i]; 238 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; 239 __le64 *hw_stats = (__le64 *)cpr->hw_stats; 240 int k; 241 242 for (k = 0; k < stat_fields; j++, k++) 243 buf[j] = le64_to_cpu(hw_stats[k]); 244 buf[j++] = cpr->rx_l4_csum_errors; 245 } 246 if (bp->flags & BNXT_FLAG_PORT_STATS) { 247 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats; 248 249 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) { 250 buf[j] = le64_to_cpu(*(port_stats + 251 bnxt_port_stats_arr[i].offset)); 252 } 253 } 254 } 255 256 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 257 { 258 struct bnxt *bp = netdev_priv(dev); 259 u32 i; 260 261 switch (stringset) { 262 /* The number of strings must match BNXT_NUM_STATS defined above. */ 263 case ETH_SS_STATS: 264 for (i = 0; i < bp->cp_nr_rings; i++) { 265 sprintf(buf, "[%d]: rx_ucast_packets", i); 266 buf += ETH_GSTRING_LEN; 267 sprintf(buf, "[%d]: rx_mcast_packets", i); 268 buf += ETH_GSTRING_LEN; 269 sprintf(buf, "[%d]: rx_bcast_packets", i); 270 buf += ETH_GSTRING_LEN; 271 sprintf(buf, "[%d]: rx_discards", i); 272 buf += ETH_GSTRING_LEN; 273 sprintf(buf, "[%d]: rx_drops", i); 274 buf += ETH_GSTRING_LEN; 275 sprintf(buf, "[%d]: rx_ucast_bytes", i); 276 buf += ETH_GSTRING_LEN; 277 sprintf(buf, "[%d]: rx_mcast_bytes", i); 278 buf += ETH_GSTRING_LEN; 279 sprintf(buf, "[%d]: rx_bcast_bytes", i); 280 buf += ETH_GSTRING_LEN; 281 sprintf(buf, "[%d]: tx_ucast_packets", i); 282 buf += ETH_GSTRING_LEN; 283 sprintf(buf, "[%d]: tx_mcast_packets", i); 284 buf += ETH_GSTRING_LEN; 285 sprintf(buf, "[%d]: tx_bcast_packets", i); 286 buf += ETH_GSTRING_LEN; 287 sprintf(buf, "[%d]: tx_discards", i); 288 buf += ETH_GSTRING_LEN; 289 sprintf(buf, "[%d]: tx_drops", i); 290 buf += ETH_GSTRING_LEN; 291 sprintf(buf, "[%d]: tx_ucast_bytes", i); 292 buf += ETH_GSTRING_LEN; 293 sprintf(buf, "[%d]: tx_mcast_bytes", i); 294 buf += ETH_GSTRING_LEN; 295 sprintf(buf, "[%d]: tx_bcast_bytes", i); 296 buf += ETH_GSTRING_LEN; 297 sprintf(buf, "[%d]: tpa_packets", i); 298 buf += ETH_GSTRING_LEN; 299 sprintf(buf, "[%d]: tpa_bytes", i); 300 buf += ETH_GSTRING_LEN; 301 sprintf(buf, "[%d]: tpa_events", i); 302 buf += ETH_GSTRING_LEN; 303 sprintf(buf, "[%d]: tpa_aborts", i); 304 buf += ETH_GSTRING_LEN; 305 sprintf(buf, "[%d]: rx_l4_csum_errors", i); 306 buf += ETH_GSTRING_LEN; 307 } 308 if (bp->flags & BNXT_FLAG_PORT_STATS) { 309 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) { 310 strcpy(buf, bnxt_port_stats_arr[i].string); 311 buf += ETH_GSTRING_LEN; 312 } 313 } 314 break; 315 case ETH_SS_TEST: 316 if (bp->num_tests) 317 memcpy(buf, bp->test_info->string, 318 bp->num_tests * ETH_GSTRING_LEN); 319 break; 320 default: 321 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n", 322 stringset); 323 break; 324 } 325 } 326 327 static void bnxt_get_ringparam(struct net_device *dev, 328 struct ethtool_ringparam *ering) 329 { 330 struct bnxt *bp = netdev_priv(dev); 331 332 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT; 333 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT; 334 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT; 335 336 ering->rx_pending = bp->rx_ring_size; 337 ering->rx_jumbo_pending = bp->rx_agg_ring_size; 338 ering->tx_pending = bp->tx_ring_size; 339 } 340 341 static int bnxt_set_ringparam(struct net_device *dev, 342 struct ethtool_ringparam *ering) 343 { 344 struct bnxt *bp = netdev_priv(dev); 345 346 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) || 347 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) || 348 (ering->tx_pending <= MAX_SKB_FRAGS)) 349 return -EINVAL; 350 351 if (netif_running(dev)) 352 bnxt_close_nic(bp, false, false); 353 354 bp->rx_ring_size = ering->rx_pending; 355 bp->tx_ring_size = ering->tx_pending; 356 bnxt_set_ring_params(bp); 357 358 if (netif_running(dev)) 359 return bnxt_open_nic(bp, false, false); 360 361 return 0; 362 } 363 364 static void bnxt_get_channels(struct net_device *dev, 365 struct ethtool_channels *channel) 366 { 367 struct bnxt *bp = netdev_priv(dev); 368 int max_rx_rings, max_tx_rings, tcs; 369 370 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true); 371 channel->max_combined = min_t(int, max_rx_rings, max_tx_rings); 372 373 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) { 374 max_rx_rings = 0; 375 max_tx_rings = 0; 376 } 377 378 tcs = netdev_get_num_tc(dev); 379 if (tcs > 1) 380 max_tx_rings /= tcs; 381 382 channel->max_rx = max_rx_rings; 383 channel->max_tx = max_tx_rings; 384 channel->max_other = 0; 385 if (bp->flags & BNXT_FLAG_SHARED_RINGS) { 386 channel->combined_count = bp->rx_nr_rings; 387 if (BNXT_CHIP_TYPE_NITRO_A0(bp)) 388 channel->combined_count--; 389 } else { 390 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) { 391 channel->rx_count = bp->rx_nr_rings; 392 channel->tx_count = bp->tx_nr_rings_per_tc; 393 } 394 } 395 } 396 397 static int bnxt_set_channels(struct net_device *dev, 398 struct ethtool_channels *channel) 399 { 400 struct bnxt *bp = netdev_priv(dev); 401 int req_tx_rings, req_rx_rings, tcs; 402 bool sh = false; 403 int tx_xdp = 0; 404 int rc = 0; 405 406 if (channel->other_count) 407 return -EINVAL; 408 409 if (!channel->combined_count && 410 (!channel->rx_count || !channel->tx_count)) 411 return -EINVAL; 412 413 if (channel->combined_count && 414 (channel->rx_count || channel->tx_count)) 415 return -EINVAL; 416 417 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count || 418 channel->tx_count)) 419 return -EINVAL; 420 421 if (channel->combined_count) 422 sh = true; 423 424 tcs = netdev_get_num_tc(dev); 425 426 req_tx_rings = sh ? channel->combined_count : channel->tx_count; 427 req_rx_rings = sh ? channel->combined_count : channel->rx_count; 428 if (bp->tx_nr_rings_xdp) { 429 if (!sh) { 430 netdev_err(dev, "Only combined mode supported when XDP is enabled.\n"); 431 return -EINVAL; 432 } 433 tx_xdp = req_rx_rings; 434 } 435 rc = bnxt_reserve_rings(bp, req_tx_rings, req_rx_rings, tcs, tx_xdp); 436 if (rc) { 437 netdev_warn(dev, "Unable to allocate the requested rings\n"); 438 return rc; 439 } 440 441 if (netif_running(dev)) { 442 if (BNXT_PF(bp)) { 443 /* TODO CHIMP_FW: Send message to all VF's 444 * before PF unload 445 */ 446 } 447 rc = bnxt_close_nic(bp, true, false); 448 if (rc) { 449 netdev_err(bp->dev, "Set channel failure rc :%x\n", 450 rc); 451 return rc; 452 } 453 } 454 455 if (sh) { 456 bp->flags |= BNXT_FLAG_SHARED_RINGS; 457 bp->rx_nr_rings = channel->combined_count; 458 bp->tx_nr_rings_per_tc = channel->combined_count; 459 } else { 460 bp->flags &= ~BNXT_FLAG_SHARED_RINGS; 461 bp->rx_nr_rings = channel->rx_count; 462 bp->tx_nr_rings_per_tc = channel->tx_count; 463 } 464 bp->tx_nr_rings_xdp = tx_xdp; 465 bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp; 466 if (tcs > 1) 467 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp; 468 469 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : 470 bp->tx_nr_rings + bp->rx_nr_rings; 471 472 bp->num_stat_ctxs = bp->cp_nr_rings; 473 474 /* After changing number of rx channels, update NTUPLE feature. */ 475 netdev_update_features(dev); 476 if (netif_running(dev)) { 477 rc = bnxt_open_nic(bp, true, false); 478 if ((!rc) && BNXT_PF(bp)) { 479 /* TODO CHIMP_FW: Send message to all VF's 480 * to renable 481 */ 482 } 483 } 484 485 return rc; 486 } 487 488 #ifdef CONFIG_RFS_ACCEL 489 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd, 490 u32 *rule_locs) 491 { 492 int i, j = 0; 493 494 cmd->data = bp->ntp_fltr_count; 495 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 496 struct hlist_head *head; 497 struct bnxt_ntuple_filter *fltr; 498 499 head = &bp->ntp_fltr_hash_tbl[i]; 500 rcu_read_lock(); 501 hlist_for_each_entry_rcu(fltr, head, hash) { 502 if (j == cmd->rule_cnt) 503 break; 504 rule_locs[j++] = fltr->sw_id; 505 } 506 rcu_read_unlock(); 507 if (j == cmd->rule_cnt) 508 break; 509 } 510 cmd->rule_cnt = j; 511 return 0; 512 } 513 514 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd) 515 { 516 struct ethtool_rx_flow_spec *fs = 517 (struct ethtool_rx_flow_spec *)&cmd->fs; 518 struct bnxt_ntuple_filter *fltr; 519 struct flow_keys *fkeys; 520 int i, rc = -EINVAL; 521 522 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR) 523 return rc; 524 525 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 526 struct hlist_head *head; 527 528 head = &bp->ntp_fltr_hash_tbl[i]; 529 rcu_read_lock(); 530 hlist_for_each_entry_rcu(fltr, head, hash) { 531 if (fltr->sw_id == fs->location) 532 goto fltr_found; 533 } 534 rcu_read_unlock(); 535 } 536 return rc; 537 538 fltr_found: 539 fkeys = &fltr->fkeys; 540 if (fkeys->basic.n_proto == htons(ETH_P_IP)) { 541 if (fkeys->basic.ip_proto == IPPROTO_TCP) 542 fs->flow_type = TCP_V4_FLOW; 543 else if (fkeys->basic.ip_proto == IPPROTO_UDP) 544 fs->flow_type = UDP_V4_FLOW; 545 else 546 goto fltr_err; 547 548 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src; 549 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0); 550 551 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst; 552 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0); 553 554 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src; 555 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0); 556 557 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst; 558 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0); 559 } else { 560 int i; 561 562 if (fkeys->basic.ip_proto == IPPROTO_TCP) 563 fs->flow_type = TCP_V6_FLOW; 564 else if (fkeys->basic.ip_proto == IPPROTO_UDP) 565 fs->flow_type = UDP_V6_FLOW; 566 else 567 goto fltr_err; 568 569 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] = 570 fkeys->addrs.v6addrs.src; 571 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] = 572 fkeys->addrs.v6addrs.dst; 573 for (i = 0; i < 4; i++) { 574 fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0); 575 fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0); 576 } 577 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src; 578 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0); 579 580 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst; 581 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0); 582 } 583 584 fs->ring_cookie = fltr->rxq; 585 rc = 0; 586 587 fltr_err: 588 rcu_read_unlock(); 589 590 return rc; 591 } 592 #endif 593 594 static u64 get_ethtool_ipv4_rss(struct bnxt *bp) 595 { 596 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4) 597 return RXH_IP_SRC | RXH_IP_DST; 598 return 0; 599 } 600 601 static u64 get_ethtool_ipv6_rss(struct bnxt *bp) 602 { 603 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6) 604 return RXH_IP_SRC | RXH_IP_DST; 605 return 0; 606 } 607 608 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) 609 { 610 cmd->data = 0; 611 switch (cmd->flow_type) { 612 case TCP_V4_FLOW: 613 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4) 614 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 615 RXH_L4_B_0_1 | RXH_L4_B_2_3; 616 cmd->data |= get_ethtool_ipv4_rss(bp); 617 break; 618 case UDP_V4_FLOW: 619 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4) 620 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 621 RXH_L4_B_0_1 | RXH_L4_B_2_3; 622 /* fall through */ 623 case SCTP_V4_FLOW: 624 case AH_ESP_V4_FLOW: 625 case AH_V4_FLOW: 626 case ESP_V4_FLOW: 627 case IPV4_FLOW: 628 cmd->data |= get_ethtool_ipv4_rss(bp); 629 break; 630 631 case TCP_V6_FLOW: 632 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6) 633 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 634 RXH_L4_B_0_1 | RXH_L4_B_2_3; 635 cmd->data |= get_ethtool_ipv6_rss(bp); 636 break; 637 case UDP_V6_FLOW: 638 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6) 639 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 640 RXH_L4_B_0_1 | RXH_L4_B_2_3; 641 /* fall through */ 642 case SCTP_V6_FLOW: 643 case AH_ESP_V6_FLOW: 644 case AH_V6_FLOW: 645 case ESP_V6_FLOW: 646 case IPV6_FLOW: 647 cmd->data |= get_ethtool_ipv6_rss(bp); 648 break; 649 } 650 return 0; 651 } 652 653 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3) 654 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST) 655 656 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) 657 { 658 u32 rss_hash_cfg = bp->rss_hash_cfg; 659 int tuple, rc = 0; 660 661 if (cmd->data == RXH_4TUPLE) 662 tuple = 4; 663 else if (cmd->data == RXH_2TUPLE) 664 tuple = 2; 665 else if (!cmd->data) 666 tuple = 0; 667 else 668 return -EINVAL; 669 670 if (cmd->flow_type == TCP_V4_FLOW) { 671 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4; 672 if (tuple == 4) 673 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4; 674 } else if (cmd->flow_type == UDP_V4_FLOW) { 675 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP)) 676 return -EINVAL; 677 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4; 678 if (tuple == 4) 679 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4; 680 } else if (cmd->flow_type == TCP_V6_FLOW) { 681 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6; 682 if (tuple == 4) 683 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6; 684 } else if (cmd->flow_type == UDP_V6_FLOW) { 685 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP)) 686 return -EINVAL; 687 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6; 688 if (tuple == 4) 689 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6; 690 } else if (tuple == 4) { 691 return -EINVAL; 692 } 693 694 switch (cmd->flow_type) { 695 case TCP_V4_FLOW: 696 case UDP_V4_FLOW: 697 case SCTP_V4_FLOW: 698 case AH_ESP_V4_FLOW: 699 case AH_V4_FLOW: 700 case ESP_V4_FLOW: 701 case IPV4_FLOW: 702 if (tuple == 2) 703 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4; 704 else if (!tuple) 705 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4; 706 break; 707 708 case TCP_V6_FLOW: 709 case UDP_V6_FLOW: 710 case SCTP_V6_FLOW: 711 case AH_ESP_V6_FLOW: 712 case AH_V6_FLOW: 713 case ESP_V6_FLOW: 714 case IPV6_FLOW: 715 if (tuple == 2) 716 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6; 717 else if (!tuple) 718 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6; 719 break; 720 } 721 722 if (bp->rss_hash_cfg == rss_hash_cfg) 723 return 0; 724 725 bp->rss_hash_cfg = rss_hash_cfg; 726 if (netif_running(bp->dev)) { 727 bnxt_close_nic(bp, false, false); 728 rc = bnxt_open_nic(bp, false, false); 729 } 730 return rc; 731 } 732 733 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 734 u32 *rule_locs) 735 { 736 struct bnxt *bp = netdev_priv(dev); 737 int rc = 0; 738 739 switch (cmd->cmd) { 740 #ifdef CONFIG_RFS_ACCEL 741 case ETHTOOL_GRXRINGS: 742 cmd->data = bp->rx_nr_rings; 743 break; 744 745 case ETHTOOL_GRXCLSRLCNT: 746 cmd->rule_cnt = bp->ntp_fltr_count; 747 cmd->data = BNXT_NTP_FLTR_MAX_FLTR; 748 break; 749 750 case ETHTOOL_GRXCLSRLALL: 751 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs); 752 break; 753 754 case ETHTOOL_GRXCLSRULE: 755 rc = bnxt_grxclsrule(bp, cmd); 756 break; 757 #endif 758 759 case ETHTOOL_GRXFH: 760 rc = bnxt_grxfh(bp, cmd); 761 break; 762 763 default: 764 rc = -EOPNOTSUPP; 765 break; 766 } 767 768 return rc; 769 } 770 771 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 772 { 773 struct bnxt *bp = netdev_priv(dev); 774 int rc; 775 776 switch (cmd->cmd) { 777 case ETHTOOL_SRXFH: 778 rc = bnxt_srxfh(bp, cmd); 779 break; 780 781 default: 782 rc = -EOPNOTSUPP; 783 break; 784 } 785 return rc; 786 } 787 788 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev) 789 { 790 return HW_HASH_INDEX_SIZE; 791 } 792 793 static u32 bnxt_get_rxfh_key_size(struct net_device *dev) 794 { 795 return HW_HASH_KEY_SIZE; 796 } 797 798 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, 799 u8 *hfunc) 800 { 801 struct bnxt *bp = netdev_priv(dev); 802 struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; 803 int i = 0; 804 805 if (hfunc) 806 *hfunc = ETH_RSS_HASH_TOP; 807 808 if (indir) 809 for (i = 0; i < HW_HASH_INDEX_SIZE; i++) 810 indir[i] = le16_to_cpu(vnic->rss_table[i]); 811 812 if (key) 813 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE); 814 815 return 0; 816 } 817 818 static void bnxt_get_drvinfo(struct net_device *dev, 819 struct ethtool_drvinfo *info) 820 { 821 struct bnxt *bp = netdev_priv(dev); 822 char *pkglog; 823 char *pkgver = NULL; 824 825 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL); 826 if (pkglog) 827 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH); 828 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 829 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 830 if (pkgver && *pkgver != 0 && isdigit(*pkgver)) 831 snprintf(info->fw_version, sizeof(info->fw_version) - 1, 832 "%s pkg %s", bp->fw_ver_str, pkgver); 833 else 834 strlcpy(info->fw_version, bp->fw_ver_str, 835 sizeof(info->fw_version)); 836 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); 837 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings; 838 info->testinfo_len = bp->num_tests; 839 /* TODO CHIMP_FW: eeprom dump details */ 840 info->eedump_len = 0; 841 /* TODO CHIMP FW: reg dump details */ 842 info->regdump_len = 0; 843 kfree(pkglog); 844 } 845 846 static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 847 { 848 struct bnxt *bp = netdev_priv(dev); 849 850 wol->supported = 0; 851 wol->wolopts = 0; 852 memset(&wol->sopass, 0, sizeof(wol->sopass)); 853 if (bp->flags & BNXT_FLAG_WOL_CAP) { 854 wol->supported = WAKE_MAGIC; 855 if (bp->wol) 856 wol->wolopts = WAKE_MAGIC; 857 } 858 } 859 860 static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 861 { 862 struct bnxt *bp = netdev_priv(dev); 863 864 if (wol->wolopts & ~WAKE_MAGIC) 865 return -EINVAL; 866 867 if (wol->wolopts & WAKE_MAGIC) { 868 if (!(bp->flags & BNXT_FLAG_WOL_CAP)) 869 return -EINVAL; 870 if (!bp->wol) { 871 if (bnxt_hwrm_alloc_wol_fltr(bp)) 872 return -EBUSY; 873 bp->wol = 1; 874 } 875 } else { 876 if (bp->wol) { 877 if (bnxt_hwrm_free_wol_fltr(bp)) 878 return -EBUSY; 879 bp->wol = 0; 880 } 881 } 882 return 0; 883 } 884 885 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause) 886 { 887 u32 speed_mask = 0; 888 889 /* TODO: support 25GB, 40GB, 50GB with different cable type */ 890 /* set the advertised speeds */ 891 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB) 892 speed_mask |= ADVERTISED_100baseT_Full; 893 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB) 894 speed_mask |= ADVERTISED_1000baseT_Full; 895 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB) 896 speed_mask |= ADVERTISED_2500baseX_Full; 897 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB) 898 speed_mask |= ADVERTISED_10000baseT_Full; 899 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB) 900 speed_mask |= ADVERTISED_40000baseCR4_Full; 901 902 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH) 903 speed_mask |= ADVERTISED_Pause; 904 else if (fw_pause & BNXT_LINK_PAUSE_TX) 905 speed_mask |= ADVERTISED_Asym_Pause; 906 else if (fw_pause & BNXT_LINK_PAUSE_RX) 907 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; 908 909 return speed_mask; 910 } 911 912 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\ 913 { \ 914 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \ 915 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 916 100baseT_Full); \ 917 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \ 918 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 919 1000baseT_Full); \ 920 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \ 921 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 922 10000baseT_Full); \ 923 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \ 924 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 925 25000baseCR_Full); \ 926 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \ 927 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 928 40000baseCR4_Full);\ 929 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \ 930 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 931 50000baseCR2_Full);\ 932 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \ 933 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 934 Pause); \ 935 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \ 936 ethtool_link_ksettings_add_link_mode( \ 937 lk_ksettings, name, Asym_Pause);\ 938 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \ 939 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 940 Asym_Pause); \ 941 } \ 942 } 943 944 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \ 945 { \ 946 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 947 100baseT_Full) || \ 948 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 949 100baseT_Half)) \ 950 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \ 951 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 952 1000baseT_Full) || \ 953 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 954 1000baseT_Half)) \ 955 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \ 956 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 957 10000baseT_Full)) \ 958 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \ 959 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 960 25000baseCR_Full)) \ 961 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \ 962 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 963 40000baseCR4_Full)) \ 964 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \ 965 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 966 50000baseCR2_Full)) \ 967 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \ 968 } 969 970 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info, 971 struct ethtool_link_ksettings *lk_ksettings) 972 { 973 u16 fw_speeds = link_info->advertising; 974 u8 fw_pause = 0; 975 976 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 977 fw_pause = link_info->auto_pause_setting; 978 979 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising); 980 } 981 982 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info, 983 struct ethtool_link_ksettings *lk_ksettings) 984 { 985 u16 fw_speeds = link_info->lp_auto_link_speeds; 986 u8 fw_pause = 0; 987 988 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 989 fw_pause = link_info->lp_pause; 990 991 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, 992 lp_advertising); 993 } 994 995 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info, 996 struct ethtool_link_ksettings *lk_ksettings) 997 { 998 u16 fw_speeds = link_info->support_speeds; 999 1000 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported); 1001 1002 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause); 1003 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1004 Asym_Pause); 1005 1006 if (link_info->support_auto_speeds) 1007 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1008 Autoneg); 1009 } 1010 1011 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) 1012 { 1013 switch (fw_link_speed) { 1014 case BNXT_LINK_SPEED_100MB: 1015 return SPEED_100; 1016 case BNXT_LINK_SPEED_1GB: 1017 return SPEED_1000; 1018 case BNXT_LINK_SPEED_2_5GB: 1019 return SPEED_2500; 1020 case BNXT_LINK_SPEED_10GB: 1021 return SPEED_10000; 1022 case BNXT_LINK_SPEED_20GB: 1023 return SPEED_20000; 1024 case BNXT_LINK_SPEED_25GB: 1025 return SPEED_25000; 1026 case BNXT_LINK_SPEED_40GB: 1027 return SPEED_40000; 1028 case BNXT_LINK_SPEED_50GB: 1029 return SPEED_50000; 1030 default: 1031 return SPEED_UNKNOWN; 1032 } 1033 } 1034 1035 static int bnxt_get_link_ksettings(struct net_device *dev, 1036 struct ethtool_link_ksettings *lk_ksettings) 1037 { 1038 struct bnxt *bp = netdev_priv(dev); 1039 struct bnxt_link_info *link_info = &bp->link_info; 1040 struct ethtool_link_settings *base = &lk_ksettings->base; 1041 u32 ethtool_speed; 1042 1043 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported); 1044 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings); 1045 1046 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising); 1047 if (link_info->autoneg) { 1048 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings); 1049 ethtool_link_ksettings_add_link_mode(lk_ksettings, 1050 advertising, Autoneg); 1051 base->autoneg = AUTONEG_ENABLE; 1052 if (link_info->phy_link_status == BNXT_LINK_LINK) 1053 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings); 1054 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); 1055 if (!netif_carrier_ok(dev)) 1056 base->duplex = DUPLEX_UNKNOWN; 1057 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) 1058 base->duplex = DUPLEX_FULL; 1059 else 1060 base->duplex = DUPLEX_HALF; 1061 } else { 1062 base->autoneg = AUTONEG_DISABLE; 1063 ethtool_speed = 1064 bnxt_fw_to_ethtool_speed(link_info->req_link_speed); 1065 base->duplex = DUPLEX_HALF; 1066 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL) 1067 base->duplex = DUPLEX_FULL; 1068 } 1069 base->speed = ethtool_speed; 1070 1071 base->port = PORT_NONE; 1072 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 1073 base->port = PORT_TP; 1074 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1075 TP); 1076 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 1077 TP); 1078 } else { 1079 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1080 FIBRE); 1081 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 1082 FIBRE); 1083 1084 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC) 1085 base->port = PORT_DA; 1086 else if (link_info->media_type == 1087 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE) 1088 base->port = PORT_FIBRE; 1089 } 1090 base->phy_address = link_info->phy_addr; 1091 1092 return 0; 1093 } 1094 1095 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed) 1096 { 1097 struct bnxt *bp = netdev_priv(dev); 1098 struct bnxt_link_info *link_info = &bp->link_info; 1099 u16 support_spds = link_info->support_speeds; 1100 u32 fw_speed = 0; 1101 1102 switch (ethtool_speed) { 1103 case SPEED_100: 1104 if (support_spds & BNXT_LINK_SPEED_MSK_100MB) 1105 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB; 1106 break; 1107 case SPEED_1000: 1108 if (support_spds & BNXT_LINK_SPEED_MSK_1GB) 1109 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB; 1110 break; 1111 case SPEED_2500: 1112 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB) 1113 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB; 1114 break; 1115 case SPEED_10000: 1116 if (support_spds & BNXT_LINK_SPEED_MSK_10GB) 1117 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB; 1118 break; 1119 case SPEED_20000: 1120 if (support_spds & BNXT_LINK_SPEED_MSK_20GB) 1121 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB; 1122 break; 1123 case SPEED_25000: 1124 if (support_spds & BNXT_LINK_SPEED_MSK_25GB) 1125 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB; 1126 break; 1127 case SPEED_40000: 1128 if (support_spds & BNXT_LINK_SPEED_MSK_40GB) 1129 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB; 1130 break; 1131 case SPEED_50000: 1132 if (support_spds & BNXT_LINK_SPEED_MSK_50GB) 1133 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB; 1134 break; 1135 default: 1136 netdev_err(dev, "unsupported speed!\n"); 1137 break; 1138 } 1139 return fw_speed; 1140 } 1141 1142 u16 bnxt_get_fw_auto_link_speeds(u32 advertising) 1143 { 1144 u16 fw_speed_mask = 0; 1145 1146 /* only support autoneg at speed 100, 1000, and 10000 */ 1147 if (advertising & (ADVERTISED_100baseT_Full | 1148 ADVERTISED_100baseT_Half)) { 1149 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB; 1150 } 1151 if (advertising & (ADVERTISED_1000baseT_Full | 1152 ADVERTISED_1000baseT_Half)) { 1153 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB; 1154 } 1155 if (advertising & ADVERTISED_10000baseT_Full) 1156 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB; 1157 1158 if (advertising & ADVERTISED_40000baseCR4_Full) 1159 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB; 1160 1161 return fw_speed_mask; 1162 } 1163 1164 static int bnxt_set_link_ksettings(struct net_device *dev, 1165 const struct ethtool_link_ksettings *lk_ksettings) 1166 { 1167 struct bnxt *bp = netdev_priv(dev); 1168 struct bnxt_link_info *link_info = &bp->link_info; 1169 const struct ethtool_link_settings *base = &lk_ksettings->base; 1170 bool set_pause = false; 1171 u16 fw_advertising = 0; 1172 u32 speed; 1173 int rc = 0; 1174 1175 if (!BNXT_SINGLE_PF(bp)) 1176 return -EOPNOTSUPP; 1177 1178 if (base->autoneg == AUTONEG_ENABLE) { 1179 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings, 1180 advertising); 1181 link_info->autoneg |= BNXT_AUTONEG_SPEED; 1182 if (!fw_advertising) 1183 link_info->advertising = link_info->support_auto_speeds; 1184 else 1185 link_info->advertising = fw_advertising; 1186 /* any change to autoneg will cause link change, therefore the 1187 * driver should put back the original pause setting in autoneg 1188 */ 1189 set_pause = true; 1190 } else { 1191 u16 fw_speed; 1192 u8 phy_type = link_info->phy_type; 1193 1194 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET || 1195 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE || 1196 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 1197 netdev_err(dev, "10GBase-T devices must autoneg\n"); 1198 rc = -EINVAL; 1199 goto set_setting_exit; 1200 } 1201 if (base->duplex == DUPLEX_HALF) { 1202 netdev_err(dev, "HALF DUPLEX is not supported!\n"); 1203 rc = -EINVAL; 1204 goto set_setting_exit; 1205 } 1206 speed = base->speed; 1207 fw_speed = bnxt_get_fw_speed(dev, speed); 1208 if (!fw_speed) { 1209 rc = -EINVAL; 1210 goto set_setting_exit; 1211 } 1212 link_info->req_link_speed = fw_speed; 1213 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL; 1214 link_info->autoneg = 0; 1215 link_info->advertising = 0; 1216 } 1217 1218 if (netif_running(dev)) 1219 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false); 1220 1221 set_setting_exit: 1222 return rc; 1223 } 1224 1225 static void bnxt_get_pauseparam(struct net_device *dev, 1226 struct ethtool_pauseparam *epause) 1227 { 1228 struct bnxt *bp = netdev_priv(dev); 1229 struct bnxt_link_info *link_info = &bp->link_info; 1230 1231 if (BNXT_VF(bp)) 1232 return; 1233 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL); 1234 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX); 1235 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX); 1236 } 1237 1238 static int bnxt_set_pauseparam(struct net_device *dev, 1239 struct ethtool_pauseparam *epause) 1240 { 1241 int rc = 0; 1242 struct bnxt *bp = netdev_priv(dev); 1243 struct bnxt_link_info *link_info = &bp->link_info; 1244 1245 if (!BNXT_SINGLE_PF(bp)) 1246 return -EOPNOTSUPP; 1247 1248 if (epause->autoneg) { 1249 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 1250 return -EINVAL; 1251 1252 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; 1253 if (bp->hwrm_spec_code >= 0x10201) 1254 link_info->req_flow_ctrl = 1255 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE; 1256 } else { 1257 /* when transition from auto pause to force pause, 1258 * force a link change 1259 */ 1260 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 1261 link_info->force_link_chng = true; 1262 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL; 1263 link_info->req_flow_ctrl = 0; 1264 } 1265 if (epause->rx_pause) 1266 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX; 1267 1268 if (epause->tx_pause) 1269 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX; 1270 1271 if (netif_running(dev)) 1272 rc = bnxt_hwrm_set_pause(bp); 1273 return rc; 1274 } 1275 1276 static u32 bnxt_get_link(struct net_device *dev) 1277 { 1278 struct bnxt *bp = netdev_priv(dev); 1279 1280 /* TODO: handle MF, VF, driver close case */ 1281 return bp->link_info.link_up; 1282 } 1283 1284 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1285 u16 ext, u16 *index, u32 *item_length, 1286 u32 *data_length); 1287 1288 static int bnxt_flash_nvram(struct net_device *dev, 1289 u16 dir_type, 1290 u16 dir_ordinal, 1291 u16 dir_ext, 1292 u16 dir_attr, 1293 const u8 *data, 1294 size_t data_len) 1295 { 1296 struct bnxt *bp = netdev_priv(dev); 1297 int rc; 1298 struct hwrm_nvm_write_input req = {0}; 1299 dma_addr_t dma_handle; 1300 u8 *kmem; 1301 1302 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1); 1303 1304 req.dir_type = cpu_to_le16(dir_type); 1305 req.dir_ordinal = cpu_to_le16(dir_ordinal); 1306 req.dir_ext = cpu_to_le16(dir_ext); 1307 req.dir_attr = cpu_to_le16(dir_attr); 1308 req.dir_data_length = cpu_to_le32(data_len); 1309 1310 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle, 1311 GFP_KERNEL); 1312 if (!kmem) { 1313 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1314 (unsigned)data_len); 1315 return -ENOMEM; 1316 } 1317 memcpy(kmem, data, data_len); 1318 req.host_src_addr = cpu_to_le64(dma_handle); 1319 1320 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT); 1321 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle); 1322 1323 return rc; 1324 } 1325 1326 static int bnxt_firmware_reset(struct net_device *dev, 1327 u16 dir_type) 1328 { 1329 struct bnxt *bp = netdev_priv(dev); 1330 struct hwrm_fw_reset_input req = {0}; 1331 1332 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); 1333 1334 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */ 1335 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */ 1336 /* (e.g. when firmware isn't already running) */ 1337 switch (dir_type) { 1338 case BNX_DIR_TYPE_CHIMP_PATCH: 1339 case BNX_DIR_TYPE_BOOTCODE: 1340 case BNX_DIR_TYPE_BOOTCODE_2: 1341 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT; 1342 /* Self-reset ChiMP upon next PCIe reset: */ 1343 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 1344 break; 1345 case BNX_DIR_TYPE_APE_FW: 1346 case BNX_DIR_TYPE_APE_PATCH: 1347 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT; 1348 /* Self-reset APE upon next PCIe reset: */ 1349 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 1350 break; 1351 case BNX_DIR_TYPE_KONG_FW: 1352 case BNX_DIR_TYPE_KONG_PATCH: 1353 req.embedded_proc_type = 1354 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL; 1355 break; 1356 case BNX_DIR_TYPE_BONO_FW: 1357 case BNX_DIR_TYPE_BONO_PATCH: 1358 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE; 1359 break; 1360 default: 1361 return -EINVAL; 1362 } 1363 1364 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1365 } 1366 1367 static int bnxt_flash_firmware(struct net_device *dev, 1368 u16 dir_type, 1369 const u8 *fw_data, 1370 size_t fw_size) 1371 { 1372 int rc = 0; 1373 u16 code_type; 1374 u32 stored_crc; 1375 u32 calculated_crc; 1376 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data; 1377 1378 switch (dir_type) { 1379 case BNX_DIR_TYPE_BOOTCODE: 1380 case BNX_DIR_TYPE_BOOTCODE_2: 1381 code_type = CODE_BOOT; 1382 break; 1383 case BNX_DIR_TYPE_CHIMP_PATCH: 1384 code_type = CODE_CHIMP_PATCH; 1385 break; 1386 case BNX_DIR_TYPE_APE_FW: 1387 code_type = CODE_MCTP_PASSTHRU; 1388 break; 1389 case BNX_DIR_TYPE_APE_PATCH: 1390 code_type = CODE_APE_PATCH; 1391 break; 1392 case BNX_DIR_TYPE_KONG_FW: 1393 code_type = CODE_KONG_FW; 1394 break; 1395 case BNX_DIR_TYPE_KONG_PATCH: 1396 code_type = CODE_KONG_PATCH; 1397 break; 1398 case BNX_DIR_TYPE_BONO_FW: 1399 code_type = CODE_BONO_FW; 1400 break; 1401 case BNX_DIR_TYPE_BONO_PATCH: 1402 code_type = CODE_BONO_PATCH; 1403 break; 1404 default: 1405 netdev_err(dev, "Unsupported directory entry type: %u\n", 1406 dir_type); 1407 return -EINVAL; 1408 } 1409 if (fw_size < sizeof(struct bnxt_fw_header)) { 1410 netdev_err(dev, "Invalid firmware file size: %u\n", 1411 (unsigned int)fw_size); 1412 return -EINVAL; 1413 } 1414 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) { 1415 netdev_err(dev, "Invalid firmware signature: %08X\n", 1416 le32_to_cpu(header->signature)); 1417 return -EINVAL; 1418 } 1419 if (header->code_type != code_type) { 1420 netdev_err(dev, "Expected firmware type: %d, read: %d\n", 1421 code_type, header->code_type); 1422 return -EINVAL; 1423 } 1424 if (header->device != DEVICE_CUMULUS_FAMILY) { 1425 netdev_err(dev, "Expected firmware device family %d, read: %d\n", 1426 DEVICE_CUMULUS_FAMILY, header->device); 1427 return -EINVAL; 1428 } 1429 /* Confirm the CRC32 checksum of the file: */ 1430 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1431 sizeof(stored_crc))); 1432 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1433 if (calculated_crc != stored_crc) { 1434 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n", 1435 (unsigned long)stored_crc, 1436 (unsigned long)calculated_crc); 1437 return -EINVAL; 1438 } 1439 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1440 0, 0, fw_data, fw_size); 1441 if (rc == 0) /* Firmware update successful */ 1442 rc = bnxt_firmware_reset(dev, dir_type); 1443 1444 return rc; 1445 } 1446 1447 static int bnxt_flash_microcode(struct net_device *dev, 1448 u16 dir_type, 1449 const u8 *fw_data, 1450 size_t fw_size) 1451 { 1452 struct bnxt_ucode_trailer *trailer; 1453 u32 calculated_crc; 1454 u32 stored_crc; 1455 int rc = 0; 1456 1457 if (fw_size < sizeof(struct bnxt_ucode_trailer)) { 1458 netdev_err(dev, "Invalid microcode file size: %u\n", 1459 (unsigned int)fw_size); 1460 return -EINVAL; 1461 } 1462 trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size - 1463 sizeof(*trailer))); 1464 if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) { 1465 netdev_err(dev, "Invalid microcode trailer signature: %08X\n", 1466 le32_to_cpu(trailer->sig)); 1467 return -EINVAL; 1468 } 1469 if (le16_to_cpu(trailer->dir_type) != dir_type) { 1470 netdev_err(dev, "Expected microcode type: %d, read: %d\n", 1471 dir_type, le16_to_cpu(trailer->dir_type)); 1472 return -EINVAL; 1473 } 1474 if (le16_to_cpu(trailer->trailer_length) < 1475 sizeof(struct bnxt_ucode_trailer)) { 1476 netdev_err(dev, "Invalid microcode trailer length: %d\n", 1477 le16_to_cpu(trailer->trailer_length)); 1478 return -EINVAL; 1479 } 1480 1481 /* Confirm the CRC32 checksum of the file: */ 1482 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1483 sizeof(stored_crc))); 1484 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1485 if (calculated_crc != stored_crc) { 1486 netdev_err(dev, 1487 "CRC32 (%08lX) does not match calculated: %08lX\n", 1488 (unsigned long)stored_crc, 1489 (unsigned long)calculated_crc); 1490 return -EINVAL; 1491 } 1492 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1493 0, 0, fw_data, fw_size); 1494 1495 return rc; 1496 } 1497 1498 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type) 1499 { 1500 switch (dir_type) { 1501 case BNX_DIR_TYPE_CHIMP_PATCH: 1502 case BNX_DIR_TYPE_BOOTCODE: 1503 case BNX_DIR_TYPE_BOOTCODE_2: 1504 case BNX_DIR_TYPE_APE_FW: 1505 case BNX_DIR_TYPE_APE_PATCH: 1506 case BNX_DIR_TYPE_KONG_FW: 1507 case BNX_DIR_TYPE_KONG_PATCH: 1508 case BNX_DIR_TYPE_BONO_FW: 1509 case BNX_DIR_TYPE_BONO_PATCH: 1510 return true; 1511 } 1512 1513 return false; 1514 } 1515 1516 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type) 1517 { 1518 switch (dir_type) { 1519 case BNX_DIR_TYPE_AVS: 1520 case BNX_DIR_TYPE_EXP_ROM_MBA: 1521 case BNX_DIR_TYPE_PCIE: 1522 case BNX_DIR_TYPE_TSCF_UCODE: 1523 case BNX_DIR_TYPE_EXT_PHY: 1524 case BNX_DIR_TYPE_CCM: 1525 case BNX_DIR_TYPE_ISCSI_BOOT: 1526 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6: 1527 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6: 1528 return true; 1529 } 1530 1531 return false; 1532 } 1533 1534 static bool bnxt_dir_type_is_executable(u16 dir_type) 1535 { 1536 return bnxt_dir_type_is_ape_bin_format(dir_type) || 1537 bnxt_dir_type_is_other_exec_format(dir_type); 1538 } 1539 1540 static int bnxt_flash_firmware_from_file(struct net_device *dev, 1541 u16 dir_type, 1542 const char *filename) 1543 { 1544 const struct firmware *fw; 1545 int rc; 1546 1547 rc = request_firmware(&fw, filename, &dev->dev); 1548 if (rc != 0) { 1549 netdev_err(dev, "Error %d requesting firmware file: %s\n", 1550 rc, filename); 1551 return rc; 1552 } 1553 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true) 1554 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size); 1555 else if (bnxt_dir_type_is_other_exec_format(dir_type) == true) 1556 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size); 1557 else 1558 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1559 0, 0, fw->data, fw->size); 1560 release_firmware(fw); 1561 return rc; 1562 } 1563 1564 static int bnxt_flash_package_from_file(struct net_device *dev, 1565 char *filename, u32 install_type) 1566 { 1567 struct bnxt *bp = netdev_priv(dev); 1568 struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr; 1569 struct hwrm_nvm_install_update_input install = {0}; 1570 const struct firmware *fw; 1571 u32 item_len; 1572 u16 index; 1573 int rc; 1574 1575 bnxt_hwrm_fw_set_time(bp); 1576 1577 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE, 1578 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1579 &index, &item_len, NULL) != 0) { 1580 netdev_err(dev, "PKG update area not created in nvram\n"); 1581 return -ENOBUFS; 1582 } 1583 1584 rc = request_firmware(&fw, filename, &dev->dev); 1585 if (rc != 0) { 1586 netdev_err(dev, "PKG error %d requesting file: %s\n", 1587 rc, filename); 1588 return rc; 1589 } 1590 1591 if (fw->size > item_len) { 1592 netdev_err(dev, "PKG insufficient update area in nvram: %lu", 1593 (unsigned long)fw->size); 1594 rc = -EFBIG; 1595 } else { 1596 dma_addr_t dma_handle; 1597 u8 *kmem; 1598 struct hwrm_nvm_modify_input modify = {0}; 1599 1600 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1); 1601 1602 modify.dir_idx = cpu_to_le16(index); 1603 modify.len = cpu_to_le32(fw->size); 1604 1605 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size, 1606 &dma_handle, GFP_KERNEL); 1607 if (!kmem) { 1608 netdev_err(dev, 1609 "dma_alloc_coherent failure, length = %u\n", 1610 (unsigned int)fw->size); 1611 rc = -ENOMEM; 1612 } else { 1613 memcpy(kmem, fw->data, fw->size); 1614 modify.host_src_addr = cpu_to_le64(dma_handle); 1615 1616 rc = hwrm_send_message(bp, &modify, sizeof(modify), 1617 FLASH_PACKAGE_TIMEOUT); 1618 dma_free_coherent(&bp->pdev->dev, fw->size, kmem, 1619 dma_handle); 1620 } 1621 } 1622 release_firmware(fw); 1623 if (rc) 1624 return rc; 1625 1626 if ((install_type & 0xffff) == 0) 1627 install_type >>= 16; 1628 bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1); 1629 install.install_type = cpu_to_le32(install_type); 1630 1631 mutex_lock(&bp->hwrm_cmd_lock); 1632 rc = _hwrm_send_message(bp, &install, sizeof(install), 1633 INSTALL_PACKAGE_TIMEOUT); 1634 if (rc) { 1635 rc = -EOPNOTSUPP; 1636 goto flash_pkg_exit; 1637 } 1638 1639 if (resp->error_code) { 1640 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err; 1641 1642 if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) { 1643 install.flags |= cpu_to_le16( 1644 NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG); 1645 rc = _hwrm_send_message(bp, &install, sizeof(install), 1646 INSTALL_PACKAGE_TIMEOUT); 1647 if (rc) { 1648 rc = -EOPNOTSUPP; 1649 goto flash_pkg_exit; 1650 } 1651 } 1652 } 1653 1654 if (resp->result) { 1655 netdev_err(dev, "PKG install error = %d, problem_item = %d\n", 1656 (s8)resp->result, (int)resp->problem_item); 1657 rc = -ENOPKG; 1658 } 1659 flash_pkg_exit: 1660 mutex_unlock(&bp->hwrm_cmd_lock); 1661 return rc; 1662 } 1663 1664 static int bnxt_flash_device(struct net_device *dev, 1665 struct ethtool_flash *flash) 1666 { 1667 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) { 1668 netdev_err(dev, "flashdev not supported from a virtual function\n"); 1669 return -EINVAL; 1670 } 1671 1672 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS || 1673 flash->region > 0xffff) 1674 return bnxt_flash_package_from_file(dev, flash->data, 1675 flash->region); 1676 1677 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data); 1678 } 1679 1680 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length) 1681 { 1682 struct bnxt *bp = netdev_priv(dev); 1683 int rc; 1684 struct hwrm_nvm_get_dir_info_input req = {0}; 1685 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr; 1686 1687 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1); 1688 1689 mutex_lock(&bp->hwrm_cmd_lock); 1690 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1691 if (!rc) { 1692 *entries = le32_to_cpu(output->entries); 1693 *length = le32_to_cpu(output->entry_length); 1694 } 1695 mutex_unlock(&bp->hwrm_cmd_lock); 1696 return rc; 1697 } 1698 1699 static int bnxt_get_eeprom_len(struct net_device *dev) 1700 { 1701 /* The -1 return value allows the entire 32-bit range of offsets to be 1702 * passed via the ethtool command-line utility. 1703 */ 1704 return -1; 1705 } 1706 1707 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) 1708 { 1709 struct bnxt *bp = netdev_priv(dev); 1710 int rc; 1711 u32 dir_entries; 1712 u32 entry_length; 1713 u8 *buf; 1714 size_t buflen; 1715 dma_addr_t dma_handle; 1716 struct hwrm_nvm_get_dir_entries_input req = {0}; 1717 1718 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length); 1719 if (rc != 0) 1720 return rc; 1721 1722 /* Insert 2 bytes of directory info (count and size of entries) */ 1723 if (len < 2) 1724 return -EINVAL; 1725 1726 *data++ = dir_entries; 1727 *data++ = entry_length; 1728 len -= 2; 1729 memset(data, 0xff, len); 1730 1731 buflen = dir_entries * entry_length; 1732 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle, 1733 GFP_KERNEL); 1734 if (!buf) { 1735 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1736 (unsigned)buflen); 1737 return -ENOMEM; 1738 } 1739 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1); 1740 req.host_dest_addr = cpu_to_le64(dma_handle); 1741 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1742 if (rc == 0) 1743 memcpy(data, buf, len > buflen ? buflen : len); 1744 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle); 1745 return rc; 1746 } 1747 1748 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, 1749 u32 length, u8 *data) 1750 { 1751 struct bnxt *bp = netdev_priv(dev); 1752 int rc; 1753 u8 *buf; 1754 dma_addr_t dma_handle; 1755 struct hwrm_nvm_read_input req = {0}; 1756 1757 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle, 1758 GFP_KERNEL); 1759 if (!buf) { 1760 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1761 (unsigned)length); 1762 return -ENOMEM; 1763 } 1764 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1); 1765 req.host_dest_addr = cpu_to_le64(dma_handle); 1766 req.dir_idx = cpu_to_le16(index); 1767 req.offset = cpu_to_le32(offset); 1768 req.len = cpu_to_le32(length); 1769 1770 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1771 if (rc == 0) 1772 memcpy(data, buf, length); 1773 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle); 1774 return rc; 1775 } 1776 1777 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1778 u16 ext, u16 *index, u32 *item_length, 1779 u32 *data_length) 1780 { 1781 struct bnxt *bp = netdev_priv(dev); 1782 int rc; 1783 struct hwrm_nvm_find_dir_entry_input req = {0}; 1784 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr; 1785 1786 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1); 1787 req.enables = 0; 1788 req.dir_idx = 0; 1789 req.dir_type = cpu_to_le16(type); 1790 req.dir_ordinal = cpu_to_le16(ordinal); 1791 req.dir_ext = cpu_to_le16(ext); 1792 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ; 1793 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1794 if (rc == 0) { 1795 if (index) 1796 *index = le16_to_cpu(output->dir_idx); 1797 if (item_length) 1798 *item_length = le32_to_cpu(output->dir_item_length); 1799 if (data_length) 1800 *data_length = le32_to_cpu(output->dir_data_length); 1801 } 1802 return rc; 1803 } 1804 1805 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen) 1806 { 1807 char *retval = NULL; 1808 char *p; 1809 char *value; 1810 int field = 0; 1811 1812 if (datalen < 1) 1813 return NULL; 1814 /* null-terminate the log data (removing last '\n'): */ 1815 data[datalen - 1] = 0; 1816 for (p = data; *p != 0; p++) { 1817 field = 0; 1818 retval = NULL; 1819 while (*p != 0 && *p != '\n') { 1820 value = p; 1821 while (*p != 0 && *p != '\t' && *p != '\n') 1822 p++; 1823 if (field == desired_field) 1824 retval = value; 1825 if (*p != '\t') 1826 break; 1827 *p = 0; 1828 field++; 1829 p++; 1830 } 1831 if (*p == 0) 1832 break; 1833 *p = 0; 1834 } 1835 return retval; 1836 } 1837 1838 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen) 1839 { 1840 u16 index = 0; 1841 u32 datalen; 1842 1843 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG, 1844 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1845 &index, NULL, &datalen) != 0) 1846 return NULL; 1847 1848 memset(buf, 0, buflen); 1849 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0) 1850 return NULL; 1851 1852 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf, 1853 datalen); 1854 } 1855 1856 static int bnxt_get_eeprom(struct net_device *dev, 1857 struct ethtool_eeprom *eeprom, 1858 u8 *data) 1859 { 1860 u32 index; 1861 u32 offset; 1862 1863 if (eeprom->offset == 0) /* special offset value to get directory */ 1864 return bnxt_get_nvram_directory(dev, eeprom->len, data); 1865 1866 index = eeprom->offset >> 24; 1867 offset = eeprom->offset & 0xffffff; 1868 1869 if (index == 0) { 1870 netdev_err(dev, "unsupported index value: %d\n", index); 1871 return -EINVAL; 1872 } 1873 1874 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data); 1875 } 1876 1877 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index) 1878 { 1879 struct bnxt *bp = netdev_priv(dev); 1880 struct hwrm_nvm_erase_dir_entry_input req = {0}; 1881 1882 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1); 1883 req.dir_idx = cpu_to_le16(index); 1884 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1885 } 1886 1887 static int bnxt_set_eeprom(struct net_device *dev, 1888 struct ethtool_eeprom *eeprom, 1889 u8 *data) 1890 { 1891 struct bnxt *bp = netdev_priv(dev); 1892 u8 index, dir_op; 1893 u16 type, ext, ordinal, attr; 1894 1895 if (!BNXT_PF(bp)) { 1896 netdev_err(dev, "NVM write not supported from a virtual function\n"); 1897 return -EINVAL; 1898 } 1899 1900 type = eeprom->magic >> 16; 1901 1902 if (type == 0xffff) { /* special value for directory operations */ 1903 index = eeprom->magic & 0xff; 1904 dir_op = eeprom->magic >> 8; 1905 if (index == 0) 1906 return -EINVAL; 1907 switch (dir_op) { 1908 case 0x0e: /* erase */ 1909 if (eeprom->offset != ~eeprom->magic) 1910 return -EINVAL; 1911 return bnxt_erase_nvram_directory(dev, index - 1); 1912 default: 1913 return -EINVAL; 1914 } 1915 } 1916 1917 /* Create or re-write an NVM item: */ 1918 if (bnxt_dir_type_is_executable(type) == true) 1919 return -EOPNOTSUPP; 1920 ext = eeprom->magic & 0xffff; 1921 ordinal = eeprom->offset >> 16; 1922 attr = eeprom->offset & 0xffff; 1923 1924 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data, 1925 eeprom->len); 1926 } 1927 1928 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) 1929 { 1930 struct bnxt *bp = netdev_priv(dev); 1931 struct ethtool_eee *eee = &bp->eee; 1932 struct bnxt_link_info *link_info = &bp->link_info; 1933 u32 advertising = 1934 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); 1935 int rc = 0; 1936 1937 if (!BNXT_SINGLE_PF(bp)) 1938 return -EOPNOTSUPP; 1939 1940 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1941 return -EOPNOTSUPP; 1942 1943 if (!edata->eee_enabled) 1944 goto eee_ok; 1945 1946 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { 1947 netdev_warn(dev, "EEE requires autoneg\n"); 1948 return -EINVAL; 1949 } 1950 if (edata->tx_lpi_enabled) { 1951 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi || 1952 edata->tx_lpi_timer < bp->lpi_tmr_lo)) { 1953 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n", 1954 bp->lpi_tmr_lo, bp->lpi_tmr_hi); 1955 return -EINVAL; 1956 } else if (!bp->lpi_tmr_hi) { 1957 edata->tx_lpi_timer = eee->tx_lpi_timer; 1958 } 1959 } 1960 if (!edata->advertised) { 1961 edata->advertised = advertising & eee->supported; 1962 } else if (edata->advertised & ~advertising) { 1963 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n", 1964 edata->advertised, advertising); 1965 return -EINVAL; 1966 } 1967 1968 eee->advertised = edata->advertised; 1969 eee->tx_lpi_enabled = edata->tx_lpi_enabled; 1970 eee->tx_lpi_timer = edata->tx_lpi_timer; 1971 eee_ok: 1972 eee->eee_enabled = edata->eee_enabled; 1973 1974 if (netif_running(dev)) 1975 rc = bnxt_hwrm_set_link_setting(bp, false, true); 1976 1977 return rc; 1978 } 1979 1980 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata) 1981 { 1982 struct bnxt *bp = netdev_priv(dev); 1983 1984 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1985 return -EOPNOTSUPP; 1986 1987 *edata = bp->eee; 1988 if (!bp->eee.eee_enabled) { 1989 /* Preserve tx_lpi_timer so that the last value will be used 1990 * by default when it is re-enabled. 1991 */ 1992 edata->advertised = 0; 1993 edata->tx_lpi_enabled = 0; 1994 } 1995 1996 if (!bp->eee.eee_active) 1997 edata->lp_advertised = 0; 1998 1999 return 0; 2000 } 2001 2002 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr, 2003 u16 page_number, u16 start_addr, 2004 u16 data_length, u8 *buf) 2005 { 2006 struct hwrm_port_phy_i2c_read_input req = {0}; 2007 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 2008 int rc, byte_offset = 0; 2009 2010 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 2011 req.i2c_slave_addr = i2c_addr; 2012 req.page_number = cpu_to_le16(page_number); 2013 req.port_id = cpu_to_le16(bp->pf.port_id); 2014 do { 2015 u16 xfer_size; 2016 2017 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE); 2018 data_length -= xfer_size; 2019 req.page_offset = cpu_to_le16(start_addr + byte_offset); 2020 req.data_length = xfer_size; 2021 req.enables = cpu_to_le32(start_addr + byte_offset ? 2022 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0); 2023 mutex_lock(&bp->hwrm_cmd_lock); 2024 rc = _hwrm_send_message(bp, &req, sizeof(req), 2025 HWRM_CMD_TIMEOUT); 2026 if (!rc) 2027 memcpy(buf + byte_offset, output->data, xfer_size); 2028 mutex_unlock(&bp->hwrm_cmd_lock); 2029 byte_offset += xfer_size; 2030 } while (!rc && data_length > 0); 2031 2032 return rc; 2033 } 2034 2035 static int bnxt_get_module_info(struct net_device *dev, 2036 struct ethtool_modinfo *modinfo) 2037 { 2038 struct bnxt *bp = netdev_priv(dev); 2039 struct hwrm_port_phy_i2c_read_input req = {0}; 2040 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 2041 int rc; 2042 2043 /* No point in going further if phy status indicates 2044 * module is not inserted or if it is powered down or 2045 * if it is of type 10GBase-T 2046 */ 2047 if (bp->link_info.module_status > 2048 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG) 2049 return -EOPNOTSUPP; 2050 2051 /* This feature is not supported in older firmware versions */ 2052 if (bp->hwrm_spec_code < 0x10202) 2053 return -EOPNOTSUPP; 2054 2055 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 2056 req.i2c_slave_addr = I2C_DEV_ADDR_A0; 2057 req.page_number = 0; 2058 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR); 2059 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE; 2060 req.port_id = cpu_to_le16(bp->pf.port_id); 2061 mutex_lock(&bp->hwrm_cmd_lock); 2062 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2063 if (!rc) { 2064 u32 module_id = le32_to_cpu(output->data[0]); 2065 2066 switch (module_id) { 2067 case SFF_MODULE_ID_SFP: 2068 modinfo->type = ETH_MODULE_SFF_8472; 2069 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 2070 break; 2071 case SFF_MODULE_ID_QSFP: 2072 case SFF_MODULE_ID_QSFP_PLUS: 2073 modinfo->type = ETH_MODULE_SFF_8436; 2074 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 2075 break; 2076 case SFF_MODULE_ID_QSFP28: 2077 modinfo->type = ETH_MODULE_SFF_8636; 2078 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 2079 break; 2080 default: 2081 rc = -EOPNOTSUPP; 2082 break; 2083 } 2084 } 2085 mutex_unlock(&bp->hwrm_cmd_lock); 2086 return rc; 2087 } 2088 2089 static int bnxt_get_module_eeprom(struct net_device *dev, 2090 struct ethtool_eeprom *eeprom, 2091 u8 *data) 2092 { 2093 struct bnxt *bp = netdev_priv(dev); 2094 u16 start = eeprom->offset, length = eeprom->len; 2095 int rc = 0; 2096 2097 memset(data, 0, eeprom->len); 2098 2099 /* Read A0 portion of the EEPROM */ 2100 if (start < ETH_MODULE_SFF_8436_LEN) { 2101 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN) 2102 length = ETH_MODULE_SFF_8436_LEN - start; 2103 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 2104 start, length, data); 2105 if (rc) 2106 return rc; 2107 start += length; 2108 data += length; 2109 length = eeprom->len - length; 2110 } 2111 2112 /* Read A2 portion of the EEPROM */ 2113 if (length) { 2114 start -= ETH_MODULE_SFF_8436_LEN; 2115 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start, 2116 length, data); 2117 } 2118 return rc; 2119 } 2120 2121 static int bnxt_nway_reset(struct net_device *dev) 2122 { 2123 int rc = 0; 2124 2125 struct bnxt *bp = netdev_priv(dev); 2126 struct bnxt_link_info *link_info = &bp->link_info; 2127 2128 if (!BNXT_SINGLE_PF(bp)) 2129 return -EOPNOTSUPP; 2130 2131 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 2132 return -EINVAL; 2133 2134 if (netif_running(dev)) 2135 rc = bnxt_hwrm_set_link_setting(bp, true, false); 2136 2137 return rc; 2138 } 2139 2140 static int bnxt_set_phys_id(struct net_device *dev, 2141 enum ethtool_phys_id_state state) 2142 { 2143 struct hwrm_port_led_cfg_input req = {0}; 2144 struct bnxt *bp = netdev_priv(dev); 2145 struct bnxt_pf_info *pf = &bp->pf; 2146 struct bnxt_led_cfg *led_cfg; 2147 u8 led_state; 2148 __le16 duration; 2149 int i, rc; 2150 2151 if (!bp->num_leds || BNXT_VF(bp)) 2152 return -EOPNOTSUPP; 2153 2154 if (state == ETHTOOL_ID_ACTIVE) { 2155 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT; 2156 duration = cpu_to_le16(500); 2157 } else if (state == ETHTOOL_ID_INACTIVE) { 2158 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT; 2159 duration = cpu_to_le16(0); 2160 } else { 2161 return -EINVAL; 2162 } 2163 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1); 2164 req.port_id = cpu_to_le16(pf->port_id); 2165 req.num_leds = bp->num_leds; 2166 led_cfg = (struct bnxt_led_cfg *)&req.led0_id; 2167 for (i = 0; i < bp->num_leds; i++, led_cfg++) { 2168 req.enables |= BNXT_LED_DFLT_ENABLES(i); 2169 led_cfg->led_id = bp->leds[i].led_id; 2170 led_cfg->led_state = led_state; 2171 led_cfg->led_blink_on = duration; 2172 led_cfg->led_blink_off = duration; 2173 led_cfg->led_group_id = bp->leds[i].led_group_id; 2174 } 2175 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2176 if (rc) 2177 rc = -EIO; 2178 return rc; 2179 } 2180 2181 static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring) 2182 { 2183 struct hwrm_selftest_irq_input req = {0}; 2184 2185 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1); 2186 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2187 } 2188 2189 static int bnxt_test_irq(struct bnxt *bp) 2190 { 2191 int i; 2192 2193 for (i = 0; i < bp->cp_nr_rings; i++) { 2194 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id; 2195 int rc; 2196 2197 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring); 2198 if (rc) 2199 return rc; 2200 } 2201 return 0; 2202 } 2203 2204 static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable) 2205 { 2206 struct hwrm_port_mac_cfg_input req = {0}; 2207 2208 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1); 2209 2210 req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK); 2211 if (enable) 2212 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL; 2213 else 2214 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE; 2215 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2216 } 2217 2218 static int bnxt_disable_an_for_lpbk(struct bnxt *bp, 2219 struct hwrm_port_phy_cfg_input *req) 2220 { 2221 struct bnxt_link_info *link_info = &bp->link_info; 2222 u16 fw_advertising = link_info->advertising; 2223 u16 fw_speed; 2224 int rc; 2225 2226 if (!link_info->autoneg) 2227 return 0; 2228 2229 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB; 2230 if (netif_carrier_ok(bp->dev)) 2231 fw_speed = bp->link_info.link_speed; 2232 else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB) 2233 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB; 2234 else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB) 2235 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB; 2236 else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB) 2237 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB; 2238 else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB) 2239 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB; 2240 2241 req->force_link_speed = cpu_to_le16(fw_speed); 2242 req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE | 2243 PORT_PHY_CFG_REQ_FLAGS_RESET_PHY); 2244 rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT); 2245 req->flags = 0; 2246 req->force_link_speed = cpu_to_le16(0); 2247 return rc; 2248 } 2249 2250 static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable) 2251 { 2252 struct hwrm_port_phy_cfg_input req = {0}; 2253 2254 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1); 2255 2256 if (enable) { 2257 bnxt_disable_an_for_lpbk(bp, &req); 2258 req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL; 2259 } else { 2260 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE; 2261 } 2262 req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK); 2263 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2264 } 2265 2266 static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_napi *bnapi, 2267 u32 raw_cons, int pkt_size) 2268 { 2269 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; 2270 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring; 2271 struct bnxt_sw_rx_bd *rx_buf; 2272 struct rx_cmp *rxcmp; 2273 u16 cp_cons, cons; 2274 u8 *data; 2275 u32 len; 2276 int i; 2277 2278 cp_cons = RING_CMP(raw_cons); 2279 rxcmp = (struct rx_cmp *) 2280 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; 2281 cons = rxcmp->rx_cmp_opaque; 2282 rx_buf = &rxr->rx_buf_ring[cons]; 2283 data = rx_buf->data_ptr; 2284 len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT; 2285 if (len != pkt_size) 2286 return -EIO; 2287 i = ETH_ALEN; 2288 if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr)) 2289 return -EIO; 2290 i += ETH_ALEN; 2291 for ( ; i < pkt_size; i++) { 2292 if (data[i] != (u8)(i & 0xff)) 2293 return -EIO; 2294 } 2295 return 0; 2296 } 2297 2298 static int bnxt_poll_loopback(struct bnxt *bp, int pkt_size) 2299 { 2300 struct bnxt_napi *bnapi = bp->bnapi[0]; 2301 struct bnxt_cp_ring_info *cpr; 2302 struct tx_cmp *txcmp; 2303 int rc = -EIO; 2304 u32 raw_cons; 2305 u32 cons; 2306 int i; 2307 2308 cpr = &bnapi->cp_ring; 2309 raw_cons = cpr->cp_raw_cons; 2310 for (i = 0; i < 200; i++) { 2311 cons = RING_CMP(raw_cons); 2312 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)]; 2313 2314 if (!TX_CMP_VALID(txcmp, raw_cons)) { 2315 udelay(5); 2316 continue; 2317 } 2318 2319 /* The valid test of the entry must be done first before 2320 * reading any further. 2321 */ 2322 dma_rmb(); 2323 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) { 2324 rc = bnxt_rx_loopback(bp, bnapi, raw_cons, pkt_size); 2325 raw_cons = NEXT_RAW_CMP(raw_cons); 2326 raw_cons = NEXT_RAW_CMP(raw_cons); 2327 break; 2328 } 2329 raw_cons = NEXT_RAW_CMP(raw_cons); 2330 } 2331 cpr->cp_raw_cons = raw_cons; 2332 return rc; 2333 } 2334 2335 static int bnxt_run_loopback(struct bnxt *bp) 2336 { 2337 struct bnxt_tx_ring_info *txr = &bp->tx_ring[0]; 2338 int pkt_size, i = 0; 2339 struct sk_buff *skb; 2340 dma_addr_t map; 2341 u8 *data; 2342 int rc; 2343 2344 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh); 2345 skb = netdev_alloc_skb(bp->dev, pkt_size); 2346 if (!skb) 2347 return -ENOMEM; 2348 data = skb_put(skb, pkt_size); 2349 eth_broadcast_addr(data); 2350 i += ETH_ALEN; 2351 ether_addr_copy(&data[i], bp->dev->dev_addr); 2352 i += ETH_ALEN; 2353 for ( ; i < pkt_size; i++) 2354 data[i] = (u8)(i & 0xff); 2355 2356 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size, 2357 PCI_DMA_TODEVICE); 2358 if (dma_mapping_error(&bp->pdev->dev, map)) { 2359 dev_kfree_skb(skb); 2360 return -EIO; 2361 } 2362 bnxt_xmit_xdp(bp, txr, map, pkt_size, 0); 2363 2364 /* Sync BD data before updating doorbell */ 2365 wmb(); 2366 2367 writel(DB_KEY_TX | txr->tx_prod, txr->tx_doorbell); 2368 writel(DB_KEY_TX | txr->tx_prod, txr->tx_doorbell); 2369 rc = bnxt_poll_loopback(bp, pkt_size); 2370 2371 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE); 2372 dev_kfree_skb(skb); 2373 return rc; 2374 } 2375 2376 static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results) 2377 { 2378 struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr; 2379 struct hwrm_selftest_exec_input req = {0}; 2380 int rc; 2381 2382 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1); 2383 mutex_lock(&bp->hwrm_cmd_lock); 2384 resp->test_success = 0; 2385 req.flags = test_mask; 2386 rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout); 2387 *test_results = resp->test_success; 2388 mutex_unlock(&bp->hwrm_cmd_lock); 2389 return rc; 2390 } 2391 2392 #define BNXT_DRV_TESTS 3 2393 #define BNXT_MACLPBK_TEST_IDX (bp->num_tests - BNXT_DRV_TESTS) 2394 #define BNXT_PHYLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 1) 2395 #define BNXT_IRQ_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 2) 2396 2397 static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest, 2398 u64 *buf) 2399 { 2400 struct bnxt *bp = netdev_priv(dev); 2401 bool offline = false; 2402 u8 test_results = 0; 2403 u8 test_mask = 0; 2404 int rc, i; 2405 2406 if (!bp->num_tests || !BNXT_SINGLE_PF(bp)) 2407 return; 2408 memset(buf, 0, sizeof(u64) * bp->num_tests); 2409 if (!netif_running(dev)) { 2410 etest->flags |= ETH_TEST_FL_FAILED; 2411 return; 2412 } 2413 2414 if (etest->flags & ETH_TEST_FL_OFFLINE) { 2415 if (bp->pf.active_vfs) { 2416 etest->flags |= ETH_TEST_FL_FAILED; 2417 netdev_warn(dev, "Offline tests cannot be run with active VFs\n"); 2418 return; 2419 } 2420 offline = true; 2421 } 2422 2423 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) { 2424 u8 bit_val = 1 << i; 2425 2426 if (!(bp->test_info->offline_mask & bit_val)) 2427 test_mask |= bit_val; 2428 else if (offline) 2429 test_mask |= bit_val; 2430 } 2431 if (!offline) { 2432 bnxt_run_fw_tests(bp, test_mask, &test_results); 2433 } else { 2434 rc = bnxt_close_nic(bp, false, false); 2435 if (rc) 2436 return; 2437 bnxt_run_fw_tests(bp, test_mask, &test_results); 2438 2439 buf[BNXT_MACLPBK_TEST_IDX] = 1; 2440 bnxt_hwrm_mac_loopback(bp, true); 2441 msleep(250); 2442 rc = bnxt_half_open_nic(bp); 2443 if (rc) { 2444 bnxt_hwrm_mac_loopback(bp, false); 2445 etest->flags |= ETH_TEST_FL_FAILED; 2446 return; 2447 } 2448 if (bnxt_run_loopback(bp)) 2449 etest->flags |= ETH_TEST_FL_FAILED; 2450 else 2451 buf[BNXT_MACLPBK_TEST_IDX] = 0; 2452 2453 bnxt_hwrm_mac_loopback(bp, false); 2454 bnxt_hwrm_phy_loopback(bp, true); 2455 msleep(1000); 2456 if (bnxt_run_loopback(bp)) { 2457 buf[BNXT_PHYLPBK_TEST_IDX] = 1; 2458 etest->flags |= ETH_TEST_FL_FAILED; 2459 } 2460 bnxt_hwrm_phy_loopback(bp, false); 2461 bnxt_half_close_nic(bp); 2462 bnxt_open_nic(bp, false, true); 2463 } 2464 if (bnxt_test_irq(bp)) { 2465 buf[BNXT_IRQ_TEST_IDX] = 1; 2466 etest->flags |= ETH_TEST_FL_FAILED; 2467 } 2468 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) { 2469 u8 bit_val = 1 << i; 2470 2471 if ((test_mask & bit_val) && !(test_results & bit_val)) { 2472 buf[i] = 1; 2473 etest->flags |= ETH_TEST_FL_FAILED; 2474 } 2475 } 2476 } 2477 2478 void bnxt_ethtool_init(struct bnxt *bp) 2479 { 2480 struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr; 2481 struct hwrm_selftest_qlist_input req = {0}; 2482 struct bnxt_test_info *test_info; 2483 int i, rc; 2484 2485 if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp)) 2486 return; 2487 2488 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1); 2489 mutex_lock(&bp->hwrm_cmd_lock); 2490 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2491 if (rc) 2492 goto ethtool_init_exit; 2493 2494 test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL); 2495 if (!test_info) 2496 goto ethtool_init_exit; 2497 2498 bp->test_info = test_info; 2499 bp->num_tests = resp->num_tests + BNXT_DRV_TESTS; 2500 if (bp->num_tests > BNXT_MAX_TEST) 2501 bp->num_tests = BNXT_MAX_TEST; 2502 2503 test_info->offline_mask = resp->offline_tests; 2504 test_info->timeout = le16_to_cpu(resp->test_timeout); 2505 if (!test_info->timeout) 2506 test_info->timeout = HWRM_CMD_TIMEOUT; 2507 for (i = 0; i < bp->num_tests; i++) { 2508 char *str = test_info->string[i]; 2509 char *fw_str = resp->test0_name + i * 32; 2510 2511 if (i == BNXT_MACLPBK_TEST_IDX) { 2512 strcpy(str, "Mac loopback test (offline)"); 2513 } else if (i == BNXT_PHYLPBK_TEST_IDX) { 2514 strcpy(str, "Phy loopback test (offline)"); 2515 } else if (i == BNXT_IRQ_TEST_IDX) { 2516 strcpy(str, "Interrupt_test (offline)"); 2517 } else { 2518 strlcpy(str, fw_str, ETH_GSTRING_LEN); 2519 strncat(str, " test", ETH_GSTRING_LEN - strlen(str)); 2520 if (test_info->offline_mask & (1 << i)) 2521 strncat(str, " (offline)", 2522 ETH_GSTRING_LEN - strlen(str)); 2523 else 2524 strncat(str, " (online)", 2525 ETH_GSTRING_LEN - strlen(str)); 2526 } 2527 } 2528 2529 ethtool_init_exit: 2530 mutex_unlock(&bp->hwrm_cmd_lock); 2531 } 2532 2533 void bnxt_ethtool_free(struct bnxt *bp) 2534 { 2535 kfree(bp->test_info); 2536 bp->test_info = NULL; 2537 } 2538 2539 const struct ethtool_ops bnxt_ethtool_ops = { 2540 .get_link_ksettings = bnxt_get_link_ksettings, 2541 .set_link_ksettings = bnxt_set_link_ksettings, 2542 .get_pauseparam = bnxt_get_pauseparam, 2543 .set_pauseparam = bnxt_set_pauseparam, 2544 .get_drvinfo = bnxt_get_drvinfo, 2545 .get_wol = bnxt_get_wol, 2546 .set_wol = bnxt_set_wol, 2547 .get_coalesce = bnxt_get_coalesce, 2548 .set_coalesce = bnxt_set_coalesce, 2549 .get_msglevel = bnxt_get_msglevel, 2550 .set_msglevel = bnxt_set_msglevel, 2551 .get_sset_count = bnxt_get_sset_count, 2552 .get_strings = bnxt_get_strings, 2553 .get_ethtool_stats = bnxt_get_ethtool_stats, 2554 .set_ringparam = bnxt_set_ringparam, 2555 .get_ringparam = bnxt_get_ringparam, 2556 .get_channels = bnxt_get_channels, 2557 .set_channels = bnxt_set_channels, 2558 .get_rxnfc = bnxt_get_rxnfc, 2559 .set_rxnfc = bnxt_set_rxnfc, 2560 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size, 2561 .get_rxfh_key_size = bnxt_get_rxfh_key_size, 2562 .get_rxfh = bnxt_get_rxfh, 2563 .flash_device = bnxt_flash_device, 2564 .get_eeprom_len = bnxt_get_eeprom_len, 2565 .get_eeprom = bnxt_get_eeprom, 2566 .set_eeprom = bnxt_set_eeprom, 2567 .get_link = bnxt_get_link, 2568 .get_eee = bnxt_get_eee, 2569 .set_eee = bnxt_set_eee, 2570 .get_module_info = bnxt_get_module_info, 2571 .get_module_eeprom = bnxt_get_module_eeprom, 2572 .nway_reset = bnxt_nway_reset, 2573 .set_phys_id = bnxt_set_phys_id, 2574 .self_test = bnxt_self_test, 2575 }; 2576