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 /* Allow 0, which means disable. */ 90 if (stats_ticks) 91 stats_ticks = clamp_t(u32, stats_ticks, 92 BNXT_MIN_STATS_COAL_TICKS, 93 BNXT_MAX_STATS_COAL_TICKS); 94 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS); 95 bp->stats_coal_ticks = stats_ticks; 96 update_stats = true; 97 } 98 99 if (netif_running(dev)) { 100 if (update_stats) { 101 rc = bnxt_close_nic(bp, true, false); 102 if (!rc) 103 rc = bnxt_open_nic(bp, true, false); 104 } else { 105 rc = bnxt_hwrm_set_coal(bp); 106 } 107 } 108 109 return rc; 110 } 111 112 #define BNXT_NUM_STATS 21 113 114 #define BNXT_RX_STATS_ENTRY(counter) \ 115 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) } 116 117 #define BNXT_TX_STATS_ENTRY(counter) \ 118 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) } 119 120 static const struct { 121 long offset; 122 char string[ETH_GSTRING_LEN]; 123 } bnxt_port_stats_arr[] = { 124 BNXT_RX_STATS_ENTRY(rx_64b_frames), 125 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames), 126 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames), 127 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames), 128 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames), 129 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames), 130 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames), 131 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames), 132 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames), 133 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames), 134 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames), 135 BNXT_RX_STATS_ENTRY(rx_total_frames), 136 BNXT_RX_STATS_ENTRY(rx_ucast_frames), 137 BNXT_RX_STATS_ENTRY(rx_mcast_frames), 138 BNXT_RX_STATS_ENTRY(rx_bcast_frames), 139 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames), 140 BNXT_RX_STATS_ENTRY(rx_ctrl_frames), 141 BNXT_RX_STATS_ENTRY(rx_pause_frames), 142 BNXT_RX_STATS_ENTRY(rx_pfc_frames), 143 BNXT_RX_STATS_ENTRY(rx_align_err_frames), 144 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames), 145 BNXT_RX_STATS_ENTRY(rx_jbr_frames), 146 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames), 147 BNXT_RX_STATS_ENTRY(rx_tagged_frames), 148 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames), 149 BNXT_RX_STATS_ENTRY(rx_good_frames), 150 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0), 151 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1), 152 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2), 153 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3), 154 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4), 155 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5), 156 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6), 157 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7), 158 BNXT_RX_STATS_ENTRY(rx_undrsz_frames), 159 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events), 160 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration), 161 BNXT_RX_STATS_ENTRY(rx_bytes), 162 BNXT_RX_STATS_ENTRY(rx_runt_bytes), 163 BNXT_RX_STATS_ENTRY(rx_runt_frames), 164 165 BNXT_TX_STATS_ENTRY(tx_64b_frames), 166 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames), 167 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames), 168 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames), 169 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames), 170 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames), 171 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames), 172 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames), 173 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames), 174 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames), 175 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames), 176 BNXT_TX_STATS_ENTRY(tx_good_frames), 177 BNXT_TX_STATS_ENTRY(tx_total_frames), 178 BNXT_TX_STATS_ENTRY(tx_ucast_frames), 179 BNXT_TX_STATS_ENTRY(tx_mcast_frames), 180 BNXT_TX_STATS_ENTRY(tx_bcast_frames), 181 BNXT_TX_STATS_ENTRY(tx_pause_frames), 182 BNXT_TX_STATS_ENTRY(tx_pfc_frames), 183 BNXT_TX_STATS_ENTRY(tx_jabber_frames), 184 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames), 185 BNXT_TX_STATS_ENTRY(tx_err), 186 BNXT_TX_STATS_ENTRY(tx_fifo_underruns), 187 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0), 188 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1), 189 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2), 190 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3), 191 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4), 192 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5), 193 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6), 194 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7), 195 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events), 196 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration), 197 BNXT_TX_STATS_ENTRY(tx_total_collisions), 198 BNXT_TX_STATS_ENTRY(tx_bytes), 199 }; 200 201 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr) 202 203 static int bnxt_get_num_stats(struct bnxt *bp) 204 { 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 } 212 213 static int bnxt_get_sset_count(struct net_device *dev, int sset) 214 { 215 struct bnxt *bp = netdev_priv(dev); 216 217 switch (sset) { 218 case ETH_SS_STATS: 219 return bnxt_get_num_stats(bp); 220 case ETH_SS_TEST: 221 if (!bp->num_tests) 222 return -EOPNOTSUPP; 223 return bp->num_tests; 224 default: 225 return -EOPNOTSUPP; 226 } 227 } 228 229 static void bnxt_get_ethtool_stats(struct net_device *dev, 230 struct ethtool_stats *stats, u64 *buf) 231 { 232 u32 i, j = 0; 233 struct bnxt *bp = netdev_priv(dev); 234 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8; 235 236 if (!bp->bnapi) 237 return; 238 239 for (i = 0; i < bp->cp_nr_rings; i++) { 240 struct bnxt_napi *bnapi = bp->bnapi[i]; 241 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; 242 __le64 *hw_stats = (__le64 *)cpr->hw_stats; 243 int k; 244 245 for (k = 0; k < stat_fields; j++, k++) 246 buf[j] = le64_to_cpu(hw_stats[k]); 247 buf[j++] = cpr->rx_l4_csum_errors; 248 } 249 if (bp->flags & BNXT_FLAG_PORT_STATS) { 250 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats; 251 252 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) { 253 buf[j] = le64_to_cpu(*(port_stats + 254 bnxt_port_stats_arr[i].offset)); 255 } 256 } 257 } 258 259 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 260 { 261 struct bnxt *bp = netdev_priv(dev); 262 u32 i; 263 264 switch (stringset) { 265 /* The number of strings must match BNXT_NUM_STATS defined above. */ 266 case ETH_SS_STATS: 267 for (i = 0; i < bp->cp_nr_rings; i++) { 268 sprintf(buf, "[%d]: rx_ucast_packets", i); 269 buf += ETH_GSTRING_LEN; 270 sprintf(buf, "[%d]: rx_mcast_packets", i); 271 buf += ETH_GSTRING_LEN; 272 sprintf(buf, "[%d]: rx_bcast_packets", i); 273 buf += ETH_GSTRING_LEN; 274 sprintf(buf, "[%d]: rx_discards", i); 275 buf += ETH_GSTRING_LEN; 276 sprintf(buf, "[%d]: rx_drops", i); 277 buf += ETH_GSTRING_LEN; 278 sprintf(buf, "[%d]: rx_ucast_bytes", i); 279 buf += ETH_GSTRING_LEN; 280 sprintf(buf, "[%d]: rx_mcast_bytes", i); 281 buf += ETH_GSTRING_LEN; 282 sprintf(buf, "[%d]: rx_bcast_bytes", i); 283 buf += ETH_GSTRING_LEN; 284 sprintf(buf, "[%d]: tx_ucast_packets", i); 285 buf += ETH_GSTRING_LEN; 286 sprintf(buf, "[%d]: tx_mcast_packets", i); 287 buf += ETH_GSTRING_LEN; 288 sprintf(buf, "[%d]: tx_bcast_packets", i); 289 buf += ETH_GSTRING_LEN; 290 sprintf(buf, "[%d]: tx_discards", i); 291 buf += ETH_GSTRING_LEN; 292 sprintf(buf, "[%d]: tx_drops", i); 293 buf += ETH_GSTRING_LEN; 294 sprintf(buf, "[%d]: tx_ucast_bytes", i); 295 buf += ETH_GSTRING_LEN; 296 sprintf(buf, "[%d]: tx_mcast_bytes", i); 297 buf += ETH_GSTRING_LEN; 298 sprintf(buf, "[%d]: tx_bcast_bytes", i); 299 buf += ETH_GSTRING_LEN; 300 sprintf(buf, "[%d]: tpa_packets", i); 301 buf += ETH_GSTRING_LEN; 302 sprintf(buf, "[%d]: tpa_bytes", i); 303 buf += ETH_GSTRING_LEN; 304 sprintf(buf, "[%d]: tpa_events", i); 305 buf += ETH_GSTRING_LEN; 306 sprintf(buf, "[%d]: tpa_aborts", i); 307 buf += ETH_GSTRING_LEN; 308 sprintf(buf, "[%d]: rx_l4_csum_errors", i); 309 buf += ETH_GSTRING_LEN; 310 } 311 if (bp->flags & BNXT_FLAG_PORT_STATS) { 312 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) { 313 strcpy(buf, bnxt_port_stats_arr[i].string); 314 buf += ETH_GSTRING_LEN; 315 } 316 } 317 break; 318 case ETH_SS_TEST: 319 if (bp->num_tests) 320 memcpy(buf, bp->test_info->string, 321 bp->num_tests * ETH_GSTRING_LEN); 322 break; 323 default: 324 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n", 325 stringset); 326 break; 327 } 328 } 329 330 static void bnxt_get_ringparam(struct net_device *dev, 331 struct ethtool_ringparam *ering) 332 { 333 struct bnxt *bp = netdev_priv(dev); 334 335 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT; 336 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT; 337 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT; 338 339 ering->rx_pending = bp->rx_ring_size; 340 ering->rx_jumbo_pending = bp->rx_agg_ring_size; 341 ering->tx_pending = bp->tx_ring_size; 342 } 343 344 static int bnxt_set_ringparam(struct net_device *dev, 345 struct ethtool_ringparam *ering) 346 { 347 struct bnxt *bp = netdev_priv(dev); 348 349 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) || 350 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) || 351 (ering->tx_pending <= MAX_SKB_FRAGS)) 352 return -EINVAL; 353 354 if (netif_running(dev)) 355 bnxt_close_nic(bp, false, false); 356 357 bp->rx_ring_size = ering->rx_pending; 358 bp->tx_ring_size = ering->tx_pending; 359 bnxt_set_ring_params(bp); 360 361 if (netif_running(dev)) 362 return bnxt_open_nic(bp, false, false); 363 364 return 0; 365 } 366 367 static void bnxt_get_channels(struct net_device *dev, 368 struct ethtool_channels *channel) 369 { 370 struct bnxt *bp = netdev_priv(dev); 371 int max_rx_rings, max_tx_rings, tcs; 372 373 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true); 374 channel->max_combined = min_t(int, max_rx_rings, max_tx_rings); 375 376 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) { 377 max_rx_rings = 0; 378 max_tx_rings = 0; 379 } 380 381 tcs = netdev_get_num_tc(dev); 382 if (tcs > 1) 383 max_tx_rings /= tcs; 384 385 channel->max_rx = max_rx_rings; 386 channel->max_tx = max_tx_rings; 387 channel->max_other = 0; 388 if (bp->flags & BNXT_FLAG_SHARED_RINGS) { 389 channel->combined_count = bp->rx_nr_rings; 390 if (BNXT_CHIP_TYPE_NITRO_A0(bp)) 391 channel->combined_count--; 392 } else { 393 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) { 394 channel->rx_count = bp->rx_nr_rings; 395 channel->tx_count = bp->tx_nr_rings_per_tc; 396 } 397 } 398 } 399 400 static int bnxt_set_channels(struct net_device *dev, 401 struct ethtool_channels *channel) 402 { 403 struct bnxt *bp = netdev_priv(dev); 404 int req_tx_rings, req_rx_rings, tcs; 405 bool sh = false; 406 int tx_xdp = 0; 407 int rc = 0; 408 409 if (channel->other_count) 410 return -EINVAL; 411 412 if (!channel->combined_count && 413 (!channel->rx_count || !channel->tx_count)) 414 return -EINVAL; 415 416 if (channel->combined_count && 417 (channel->rx_count || channel->tx_count)) 418 return -EINVAL; 419 420 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count || 421 channel->tx_count)) 422 return -EINVAL; 423 424 if (channel->combined_count) 425 sh = true; 426 427 tcs = netdev_get_num_tc(dev); 428 429 req_tx_rings = sh ? channel->combined_count : channel->tx_count; 430 req_rx_rings = sh ? channel->combined_count : channel->rx_count; 431 if (bp->tx_nr_rings_xdp) { 432 if (!sh) { 433 netdev_err(dev, "Only combined mode supported when XDP is enabled.\n"); 434 return -EINVAL; 435 } 436 tx_xdp = req_rx_rings; 437 } 438 rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp); 439 if (rc) { 440 netdev_warn(dev, "Unable to allocate the requested rings\n"); 441 return rc; 442 } 443 444 if (netif_running(dev)) { 445 if (BNXT_PF(bp)) { 446 /* TODO CHIMP_FW: Send message to all VF's 447 * before PF unload 448 */ 449 } 450 rc = bnxt_close_nic(bp, true, false); 451 if (rc) { 452 netdev_err(bp->dev, "Set channel failure rc :%x\n", 453 rc); 454 return rc; 455 } 456 } 457 458 if (sh) { 459 bp->flags |= BNXT_FLAG_SHARED_RINGS; 460 bp->rx_nr_rings = channel->combined_count; 461 bp->tx_nr_rings_per_tc = channel->combined_count; 462 } else { 463 bp->flags &= ~BNXT_FLAG_SHARED_RINGS; 464 bp->rx_nr_rings = channel->rx_count; 465 bp->tx_nr_rings_per_tc = channel->tx_count; 466 } 467 bp->tx_nr_rings_xdp = tx_xdp; 468 bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp; 469 if (tcs > 1) 470 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp; 471 472 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : 473 bp->tx_nr_rings + bp->rx_nr_rings; 474 475 bp->num_stat_ctxs = bp->cp_nr_rings; 476 477 /* After changing number of rx channels, update NTUPLE feature. */ 478 netdev_update_features(dev); 479 if (netif_running(dev)) { 480 rc = bnxt_open_nic(bp, true, false); 481 if ((!rc) && BNXT_PF(bp)) { 482 /* TODO CHIMP_FW: Send message to all VF's 483 * to renable 484 */ 485 } 486 } 487 488 return rc; 489 } 490 491 #ifdef CONFIG_RFS_ACCEL 492 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd, 493 u32 *rule_locs) 494 { 495 int i, j = 0; 496 497 cmd->data = bp->ntp_fltr_count; 498 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 499 struct hlist_head *head; 500 struct bnxt_ntuple_filter *fltr; 501 502 head = &bp->ntp_fltr_hash_tbl[i]; 503 rcu_read_lock(); 504 hlist_for_each_entry_rcu(fltr, head, hash) { 505 if (j == cmd->rule_cnt) 506 break; 507 rule_locs[j++] = fltr->sw_id; 508 } 509 rcu_read_unlock(); 510 if (j == cmd->rule_cnt) 511 break; 512 } 513 cmd->rule_cnt = j; 514 return 0; 515 } 516 517 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd) 518 { 519 struct ethtool_rx_flow_spec *fs = 520 (struct ethtool_rx_flow_spec *)&cmd->fs; 521 struct bnxt_ntuple_filter *fltr; 522 struct flow_keys *fkeys; 523 int i, rc = -EINVAL; 524 525 if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR) 526 return rc; 527 528 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 529 struct hlist_head *head; 530 531 head = &bp->ntp_fltr_hash_tbl[i]; 532 rcu_read_lock(); 533 hlist_for_each_entry_rcu(fltr, head, hash) { 534 if (fltr->sw_id == fs->location) 535 goto fltr_found; 536 } 537 rcu_read_unlock(); 538 } 539 return rc; 540 541 fltr_found: 542 fkeys = &fltr->fkeys; 543 if (fkeys->basic.n_proto == htons(ETH_P_IP)) { 544 if (fkeys->basic.ip_proto == IPPROTO_TCP) 545 fs->flow_type = TCP_V4_FLOW; 546 else if (fkeys->basic.ip_proto == IPPROTO_UDP) 547 fs->flow_type = UDP_V4_FLOW; 548 else 549 goto fltr_err; 550 551 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src; 552 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0); 553 554 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst; 555 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0); 556 557 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src; 558 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0); 559 560 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst; 561 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0); 562 } else { 563 int i; 564 565 if (fkeys->basic.ip_proto == IPPROTO_TCP) 566 fs->flow_type = TCP_V6_FLOW; 567 else if (fkeys->basic.ip_proto == IPPROTO_UDP) 568 fs->flow_type = UDP_V6_FLOW; 569 else 570 goto fltr_err; 571 572 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] = 573 fkeys->addrs.v6addrs.src; 574 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] = 575 fkeys->addrs.v6addrs.dst; 576 for (i = 0; i < 4; i++) { 577 fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0); 578 fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0); 579 } 580 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src; 581 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0); 582 583 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst; 584 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0); 585 } 586 587 fs->ring_cookie = fltr->rxq; 588 rc = 0; 589 590 fltr_err: 591 rcu_read_unlock(); 592 593 return rc; 594 } 595 #endif 596 597 static u64 get_ethtool_ipv4_rss(struct bnxt *bp) 598 { 599 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4) 600 return RXH_IP_SRC | RXH_IP_DST; 601 return 0; 602 } 603 604 static u64 get_ethtool_ipv6_rss(struct bnxt *bp) 605 { 606 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6) 607 return RXH_IP_SRC | RXH_IP_DST; 608 return 0; 609 } 610 611 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) 612 { 613 cmd->data = 0; 614 switch (cmd->flow_type) { 615 case TCP_V4_FLOW: 616 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4) 617 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 618 RXH_L4_B_0_1 | RXH_L4_B_2_3; 619 cmd->data |= get_ethtool_ipv4_rss(bp); 620 break; 621 case UDP_V4_FLOW: 622 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4) 623 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 624 RXH_L4_B_0_1 | RXH_L4_B_2_3; 625 /* fall through */ 626 case SCTP_V4_FLOW: 627 case AH_ESP_V4_FLOW: 628 case AH_V4_FLOW: 629 case ESP_V4_FLOW: 630 case IPV4_FLOW: 631 cmd->data |= get_ethtool_ipv4_rss(bp); 632 break; 633 634 case TCP_V6_FLOW: 635 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6) 636 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 637 RXH_L4_B_0_1 | RXH_L4_B_2_3; 638 cmd->data |= get_ethtool_ipv6_rss(bp); 639 break; 640 case UDP_V6_FLOW: 641 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6) 642 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 643 RXH_L4_B_0_1 | RXH_L4_B_2_3; 644 /* fall through */ 645 case SCTP_V6_FLOW: 646 case AH_ESP_V6_FLOW: 647 case AH_V6_FLOW: 648 case ESP_V6_FLOW: 649 case IPV6_FLOW: 650 cmd->data |= get_ethtool_ipv6_rss(bp); 651 break; 652 } 653 return 0; 654 } 655 656 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3) 657 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST) 658 659 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) 660 { 661 u32 rss_hash_cfg = bp->rss_hash_cfg; 662 int tuple, rc = 0; 663 664 if (cmd->data == RXH_4TUPLE) 665 tuple = 4; 666 else if (cmd->data == RXH_2TUPLE) 667 tuple = 2; 668 else if (!cmd->data) 669 tuple = 0; 670 else 671 return -EINVAL; 672 673 if (cmd->flow_type == TCP_V4_FLOW) { 674 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4; 675 if (tuple == 4) 676 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4; 677 } else if (cmd->flow_type == UDP_V4_FLOW) { 678 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP)) 679 return -EINVAL; 680 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4; 681 if (tuple == 4) 682 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4; 683 } else if (cmd->flow_type == TCP_V6_FLOW) { 684 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6; 685 if (tuple == 4) 686 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6; 687 } else if (cmd->flow_type == UDP_V6_FLOW) { 688 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP)) 689 return -EINVAL; 690 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6; 691 if (tuple == 4) 692 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6; 693 } else if (tuple == 4) { 694 return -EINVAL; 695 } 696 697 switch (cmd->flow_type) { 698 case TCP_V4_FLOW: 699 case UDP_V4_FLOW: 700 case SCTP_V4_FLOW: 701 case AH_ESP_V4_FLOW: 702 case AH_V4_FLOW: 703 case ESP_V4_FLOW: 704 case IPV4_FLOW: 705 if (tuple == 2) 706 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4; 707 else if (!tuple) 708 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4; 709 break; 710 711 case TCP_V6_FLOW: 712 case UDP_V6_FLOW: 713 case SCTP_V6_FLOW: 714 case AH_ESP_V6_FLOW: 715 case AH_V6_FLOW: 716 case ESP_V6_FLOW: 717 case IPV6_FLOW: 718 if (tuple == 2) 719 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6; 720 else if (!tuple) 721 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6; 722 break; 723 } 724 725 if (bp->rss_hash_cfg == rss_hash_cfg) 726 return 0; 727 728 bp->rss_hash_cfg = rss_hash_cfg; 729 if (netif_running(bp->dev)) { 730 bnxt_close_nic(bp, false, false); 731 rc = bnxt_open_nic(bp, false, false); 732 } 733 return rc; 734 } 735 736 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 737 u32 *rule_locs) 738 { 739 struct bnxt *bp = netdev_priv(dev); 740 int rc = 0; 741 742 switch (cmd->cmd) { 743 #ifdef CONFIG_RFS_ACCEL 744 case ETHTOOL_GRXRINGS: 745 cmd->data = bp->rx_nr_rings; 746 break; 747 748 case ETHTOOL_GRXCLSRLCNT: 749 cmd->rule_cnt = bp->ntp_fltr_count; 750 cmd->data = BNXT_NTP_FLTR_MAX_FLTR; 751 break; 752 753 case ETHTOOL_GRXCLSRLALL: 754 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs); 755 break; 756 757 case ETHTOOL_GRXCLSRULE: 758 rc = bnxt_grxclsrule(bp, cmd); 759 break; 760 #endif 761 762 case ETHTOOL_GRXFH: 763 rc = bnxt_grxfh(bp, cmd); 764 break; 765 766 default: 767 rc = -EOPNOTSUPP; 768 break; 769 } 770 771 return rc; 772 } 773 774 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 775 { 776 struct bnxt *bp = netdev_priv(dev); 777 int rc; 778 779 switch (cmd->cmd) { 780 case ETHTOOL_SRXFH: 781 rc = bnxt_srxfh(bp, cmd); 782 break; 783 784 default: 785 rc = -EOPNOTSUPP; 786 break; 787 } 788 return rc; 789 } 790 791 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev) 792 { 793 return HW_HASH_INDEX_SIZE; 794 } 795 796 static u32 bnxt_get_rxfh_key_size(struct net_device *dev) 797 { 798 return HW_HASH_KEY_SIZE; 799 } 800 801 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, 802 u8 *hfunc) 803 { 804 struct bnxt *bp = netdev_priv(dev); 805 struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; 806 int i = 0; 807 808 if (hfunc) 809 *hfunc = ETH_RSS_HASH_TOP; 810 811 if (indir) 812 for (i = 0; i < HW_HASH_INDEX_SIZE; i++) 813 indir[i] = le16_to_cpu(vnic->rss_table[i]); 814 815 if (key) 816 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE); 817 818 return 0; 819 } 820 821 static void bnxt_get_drvinfo(struct net_device *dev, 822 struct ethtool_drvinfo *info) 823 { 824 struct bnxt *bp = netdev_priv(dev); 825 char *pkglog; 826 char *pkgver = NULL; 827 828 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL); 829 if (pkglog) 830 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH); 831 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 832 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 833 if (pkgver && *pkgver != 0 && isdigit(*pkgver)) 834 snprintf(info->fw_version, sizeof(info->fw_version) - 1, 835 "%s pkg %s", bp->fw_ver_str, pkgver); 836 else 837 strlcpy(info->fw_version, bp->fw_ver_str, 838 sizeof(info->fw_version)); 839 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); 840 info->n_stats = bnxt_get_num_stats(bp); 841 info->testinfo_len = bp->num_tests; 842 /* TODO CHIMP_FW: eeprom dump details */ 843 info->eedump_len = 0; 844 /* TODO CHIMP FW: reg dump details */ 845 info->regdump_len = 0; 846 kfree(pkglog); 847 } 848 849 static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 850 { 851 struct bnxt *bp = netdev_priv(dev); 852 853 wol->supported = 0; 854 wol->wolopts = 0; 855 memset(&wol->sopass, 0, sizeof(wol->sopass)); 856 if (bp->flags & BNXT_FLAG_WOL_CAP) { 857 wol->supported = WAKE_MAGIC; 858 if (bp->wol) 859 wol->wolopts = WAKE_MAGIC; 860 } 861 } 862 863 static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 864 { 865 struct bnxt *bp = netdev_priv(dev); 866 867 if (wol->wolopts & ~WAKE_MAGIC) 868 return -EINVAL; 869 870 if (wol->wolopts & WAKE_MAGIC) { 871 if (!(bp->flags & BNXT_FLAG_WOL_CAP)) 872 return -EINVAL; 873 if (!bp->wol) { 874 if (bnxt_hwrm_alloc_wol_fltr(bp)) 875 return -EBUSY; 876 bp->wol = 1; 877 } 878 } else { 879 if (bp->wol) { 880 if (bnxt_hwrm_free_wol_fltr(bp)) 881 return -EBUSY; 882 bp->wol = 0; 883 } 884 } 885 return 0; 886 } 887 888 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause) 889 { 890 u32 speed_mask = 0; 891 892 /* TODO: support 25GB, 40GB, 50GB with different cable type */ 893 /* set the advertised speeds */ 894 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB) 895 speed_mask |= ADVERTISED_100baseT_Full; 896 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB) 897 speed_mask |= ADVERTISED_1000baseT_Full; 898 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB) 899 speed_mask |= ADVERTISED_2500baseX_Full; 900 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB) 901 speed_mask |= ADVERTISED_10000baseT_Full; 902 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB) 903 speed_mask |= ADVERTISED_40000baseCR4_Full; 904 905 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH) 906 speed_mask |= ADVERTISED_Pause; 907 else if (fw_pause & BNXT_LINK_PAUSE_TX) 908 speed_mask |= ADVERTISED_Asym_Pause; 909 else if (fw_pause & BNXT_LINK_PAUSE_RX) 910 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause; 911 912 return speed_mask; 913 } 914 915 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\ 916 { \ 917 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \ 918 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 919 100baseT_Full); \ 920 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \ 921 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 922 1000baseT_Full); \ 923 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \ 924 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 925 10000baseT_Full); \ 926 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \ 927 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 928 25000baseCR_Full); \ 929 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \ 930 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 931 40000baseCR4_Full);\ 932 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \ 933 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 934 50000baseCR2_Full);\ 935 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB) \ 936 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 937 100000baseCR4_Full);\ 938 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \ 939 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 940 Pause); \ 941 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \ 942 ethtool_link_ksettings_add_link_mode( \ 943 lk_ksettings, name, Asym_Pause);\ 944 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \ 945 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 946 Asym_Pause); \ 947 } \ 948 } 949 950 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \ 951 { \ 952 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 953 100baseT_Full) || \ 954 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 955 100baseT_Half)) \ 956 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \ 957 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 958 1000baseT_Full) || \ 959 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 960 1000baseT_Half)) \ 961 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \ 962 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 963 10000baseT_Full)) \ 964 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \ 965 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 966 25000baseCR_Full)) \ 967 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \ 968 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 969 40000baseCR4_Full)) \ 970 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \ 971 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 972 50000baseCR2_Full)) \ 973 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \ 974 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 975 100000baseCR4_Full)) \ 976 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB; \ 977 } 978 979 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info, 980 struct ethtool_link_ksettings *lk_ksettings) 981 { 982 u16 fw_speeds = link_info->advertising; 983 u8 fw_pause = 0; 984 985 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 986 fw_pause = link_info->auto_pause_setting; 987 988 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising); 989 } 990 991 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info, 992 struct ethtool_link_ksettings *lk_ksettings) 993 { 994 u16 fw_speeds = link_info->lp_auto_link_speeds; 995 u8 fw_pause = 0; 996 997 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 998 fw_pause = link_info->lp_pause; 999 1000 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, 1001 lp_advertising); 1002 } 1003 1004 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info, 1005 struct ethtool_link_ksettings *lk_ksettings) 1006 { 1007 u16 fw_speeds = link_info->support_speeds; 1008 1009 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported); 1010 1011 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause); 1012 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1013 Asym_Pause); 1014 1015 if (link_info->support_auto_speeds) 1016 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1017 Autoneg); 1018 } 1019 1020 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) 1021 { 1022 switch (fw_link_speed) { 1023 case BNXT_LINK_SPEED_100MB: 1024 return SPEED_100; 1025 case BNXT_LINK_SPEED_1GB: 1026 return SPEED_1000; 1027 case BNXT_LINK_SPEED_2_5GB: 1028 return SPEED_2500; 1029 case BNXT_LINK_SPEED_10GB: 1030 return SPEED_10000; 1031 case BNXT_LINK_SPEED_20GB: 1032 return SPEED_20000; 1033 case BNXT_LINK_SPEED_25GB: 1034 return SPEED_25000; 1035 case BNXT_LINK_SPEED_40GB: 1036 return SPEED_40000; 1037 case BNXT_LINK_SPEED_50GB: 1038 return SPEED_50000; 1039 case BNXT_LINK_SPEED_100GB: 1040 return SPEED_100000; 1041 default: 1042 return SPEED_UNKNOWN; 1043 } 1044 } 1045 1046 static int bnxt_get_link_ksettings(struct net_device *dev, 1047 struct ethtool_link_ksettings *lk_ksettings) 1048 { 1049 struct bnxt *bp = netdev_priv(dev); 1050 struct bnxt_link_info *link_info = &bp->link_info; 1051 struct ethtool_link_settings *base = &lk_ksettings->base; 1052 u32 ethtool_speed; 1053 1054 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported); 1055 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings); 1056 1057 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising); 1058 if (link_info->autoneg) { 1059 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings); 1060 ethtool_link_ksettings_add_link_mode(lk_ksettings, 1061 advertising, Autoneg); 1062 base->autoneg = AUTONEG_ENABLE; 1063 if (link_info->phy_link_status == BNXT_LINK_LINK) 1064 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings); 1065 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); 1066 if (!netif_carrier_ok(dev)) 1067 base->duplex = DUPLEX_UNKNOWN; 1068 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) 1069 base->duplex = DUPLEX_FULL; 1070 else 1071 base->duplex = DUPLEX_HALF; 1072 } else { 1073 base->autoneg = AUTONEG_DISABLE; 1074 ethtool_speed = 1075 bnxt_fw_to_ethtool_speed(link_info->req_link_speed); 1076 base->duplex = DUPLEX_HALF; 1077 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL) 1078 base->duplex = DUPLEX_FULL; 1079 } 1080 base->speed = ethtool_speed; 1081 1082 base->port = PORT_NONE; 1083 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 1084 base->port = PORT_TP; 1085 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1086 TP); 1087 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 1088 TP); 1089 } else { 1090 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1091 FIBRE); 1092 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 1093 FIBRE); 1094 1095 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC) 1096 base->port = PORT_DA; 1097 else if (link_info->media_type == 1098 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE) 1099 base->port = PORT_FIBRE; 1100 } 1101 base->phy_address = link_info->phy_addr; 1102 1103 return 0; 1104 } 1105 1106 static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed) 1107 { 1108 struct bnxt *bp = netdev_priv(dev); 1109 struct bnxt_link_info *link_info = &bp->link_info; 1110 u16 support_spds = link_info->support_speeds; 1111 u32 fw_speed = 0; 1112 1113 switch (ethtool_speed) { 1114 case SPEED_100: 1115 if (support_spds & BNXT_LINK_SPEED_MSK_100MB) 1116 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB; 1117 break; 1118 case SPEED_1000: 1119 if (support_spds & BNXT_LINK_SPEED_MSK_1GB) 1120 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB; 1121 break; 1122 case SPEED_2500: 1123 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB) 1124 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB; 1125 break; 1126 case SPEED_10000: 1127 if (support_spds & BNXT_LINK_SPEED_MSK_10GB) 1128 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB; 1129 break; 1130 case SPEED_20000: 1131 if (support_spds & BNXT_LINK_SPEED_MSK_20GB) 1132 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB; 1133 break; 1134 case SPEED_25000: 1135 if (support_spds & BNXT_LINK_SPEED_MSK_25GB) 1136 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB; 1137 break; 1138 case SPEED_40000: 1139 if (support_spds & BNXT_LINK_SPEED_MSK_40GB) 1140 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB; 1141 break; 1142 case SPEED_50000: 1143 if (support_spds & BNXT_LINK_SPEED_MSK_50GB) 1144 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB; 1145 break; 1146 case SPEED_100000: 1147 if (support_spds & BNXT_LINK_SPEED_MSK_100GB) 1148 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB; 1149 break; 1150 default: 1151 netdev_err(dev, "unsupported speed!\n"); 1152 break; 1153 } 1154 return fw_speed; 1155 } 1156 1157 u16 bnxt_get_fw_auto_link_speeds(u32 advertising) 1158 { 1159 u16 fw_speed_mask = 0; 1160 1161 /* only support autoneg at speed 100, 1000, and 10000 */ 1162 if (advertising & (ADVERTISED_100baseT_Full | 1163 ADVERTISED_100baseT_Half)) { 1164 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB; 1165 } 1166 if (advertising & (ADVERTISED_1000baseT_Full | 1167 ADVERTISED_1000baseT_Half)) { 1168 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB; 1169 } 1170 if (advertising & ADVERTISED_10000baseT_Full) 1171 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB; 1172 1173 if (advertising & ADVERTISED_40000baseCR4_Full) 1174 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB; 1175 1176 return fw_speed_mask; 1177 } 1178 1179 static int bnxt_set_link_ksettings(struct net_device *dev, 1180 const struct ethtool_link_ksettings *lk_ksettings) 1181 { 1182 struct bnxt *bp = netdev_priv(dev); 1183 struct bnxt_link_info *link_info = &bp->link_info; 1184 const struct ethtool_link_settings *base = &lk_ksettings->base; 1185 bool set_pause = false; 1186 u16 fw_advertising = 0; 1187 u32 speed; 1188 int rc = 0; 1189 1190 if (!BNXT_SINGLE_PF(bp)) 1191 return -EOPNOTSUPP; 1192 1193 if (base->autoneg == AUTONEG_ENABLE) { 1194 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings, 1195 advertising); 1196 link_info->autoneg |= BNXT_AUTONEG_SPEED; 1197 if (!fw_advertising) 1198 link_info->advertising = link_info->support_auto_speeds; 1199 else 1200 link_info->advertising = fw_advertising; 1201 /* any change to autoneg will cause link change, therefore the 1202 * driver should put back the original pause setting in autoneg 1203 */ 1204 set_pause = true; 1205 } else { 1206 u16 fw_speed; 1207 u8 phy_type = link_info->phy_type; 1208 1209 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET || 1210 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE || 1211 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 1212 netdev_err(dev, "10GBase-T devices must autoneg\n"); 1213 rc = -EINVAL; 1214 goto set_setting_exit; 1215 } 1216 if (base->duplex == DUPLEX_HALF) { 1217 netdev_err(dev, "HALF DUPLEX is not supported!\n"); 1218 rc = -EINVAL; 1219 goto set_setting_exit; 1220 } 1221 speed = base->speed; 1222 fw_speed = bnxt_get_fw_speed(dev, speed); 1223 if (!fw_speed) { 1224 rc = -EINVAL; 1225 goto set_setting_exit; 1226 } 1227 link_info->req_link_speed = fw_speed; 1228 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL; 1229 link_info->autoneg = 0; 1230 link_info->advertising = 0; 1231 } 1232 1233 if (netif_running(dev)) 1234 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false); 1235 1236 set_setting_exit: 1237 return rc; 1238 } 1239 1240 static void bnxt_get_pauseparam(struct net_device *dev, 1241 struct ethtool_pauseparam *epause) 1242 { 1243 struct bnxt *bp = netdev_priv(dev); 1244 struct bnxt_link_info *link_info = &bp->link_info; 1245 1246 if (BNXT_VF(bp)) 1247 return; 1248 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL); 1249 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX); 1250 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX); 1251 } 1252 1253 static int bnxt_set_pauseparam(struct net_device *dev, 1254 struct ethtool_pauseparam *epause) 1255 { 1256 int rc = 0; 1257 struct bnxt *bp = netdev_priv(dev); 1258 struct bnxt_link_info *link_info = &bp->link_info; 1259 1260 if (!BNXT_SINGLE_PF(bp)) 1261 return -EOPNOTSUPP; 1262 1263 if (epause->autoneg) { 1264 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 1265 return -EINVAL; 1266 1267 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; 1268 if (bp->hwrm_spec_code >= 0x10201) 1269 link_info->req_flow_ctrl = 1270 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE; 1271 } else { 1272 /* when transition from auto pause to force pause, 1273 * force a link change 1274 */ 1275 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 1276 link_info->force_link_chng = true; 1277 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL; 1278 link_info->req_flow_ctrl = 0; 1279 } 1280 if (epause->rx_pause) 1281 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX; 1282 1283 if (epause->tx_pause) 1284 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX; 1285 1286 if (netif_running(dev)) 1287 rc = bnxt_hwrm_set_pause(bp); 1288 return rc; 1289 } 1290 1291 static u32 bnxt_get_link(struct net_device *dev) 1292 { 1293 struct bnxt *bp = netdev_priv(dev); 1294 1295 /* TODO: handle MF, VF, driver close case */ 1296 return bp->link_info.link_up; 1297 } 1298 1299 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1300 u16 ext, u16 *index, u32 *item_length, 1301 u32 *data_length); 1302 1303 static int bnxt_flash_nvram(struct net_device *dev, 1304 u16 dir_type, 1305 u16 dir_ordinal, 1306 u16 dir_ext, 1307 u16 dir_attr, 1308 const u8 *data, 1309 size_t data_len) 1310 { 1311 struct bnxt *bp = netdev_priv(dev); 1312 int rc; 1313 struct hwrm_nvm_write_input req = {0}; 1314 dma_addr_t dma_handle; 1315 u8 *kmem; 1316 1317 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1); 1318 1319 req.dir_type = cpu_to_le16(dir_type); 1320 req.dir_ordinal = cpu_to_le16(dir_ordinal); 1321 req.dir_ext = cpu_to_le16(dir_ext); 1322 req.dir_attr = cpu_to_le16(dir_attr); 1323 req.dir_data_length = cpu_to_le32(data_len); 1324 1325 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle, 1326 GFP_KERNEL); 1327 if (!kmem) { 1328 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1329 (unsigned)data_len); 1330 return -ENOMEM; 1331 } 1332 memcpy(kmem, data, data_len); 1333 req.host_src_addr = cpu_to_le64(dma_handle); 1334 1335 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT); 1336 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle); 1337 1338 return rc; 1339 } 1340 1341 static int bnxt_firmware_reset(struct net_device *dev, 1342 u16 dir_type) 1343 { 1344 struct bnxt *bp = netdev_priv(dev); 1345 struct hwrm_fw_reset_input req = {0}; 1346 1347 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); 1348 1349 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */ 1350 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */ 1351 /* (e.g. when firmware isn't already running) */ 1352 switch (dir_type) { 1353 case BNX_DIR_TYPE_CHIMP_PATCH: 1354 case BNX_DIR_TYPE_BOOTCODE: 1355 case BNX_DIR_TYPE_BOOTCODE_2: 1356 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT; 1357 /* Self-reset ChiMP upon next PCIe reset: */ 1358 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 1359 break; 1360 case BNX_DIR_TYPE_APE_FW: 1361 case BNX_DIR_TYPE_APE_PATCH: 1362 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT; 1363 /* Self-reset APE upon next PCIe reset: */ 1364 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; 1365 break; 1366 case BNX_DIR_TYPE_KONG_FW: 1367 case BNX_DIR_TYPE_KONG_PATCH: 1368 req.embedded_proc_type = 1369 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL; 1370 break; 1371 case BNX_DIR_TYPE_BONO_FW: 1372 case BNX_DIR_TYPE_BONO_PATCH: 1373 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE; 1374 break; 1375 default: 1376 return -EINVAL; 1377 } 1378 1379 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1380 } 1381 1382 static int bnxt_flash_firmware(struct net_device *dev, 1383 u16 dir_type, 1384 const u8 *fw_data, 1385 size_t fw_size) 1386 { 1387 int rc = 0; 1388 u16 code_type; 1389 u32 stored_crc; 1390 u32 calculated_crc; 1391 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data; 1392 1393 switch (dir_type) { 1394 case BNX_DIR_TYPE_BOOTCODE: 1395 case BNX_DIR_TYPE_BOOTCODE_2: 1396 code_type = CODE_BOOT; 1397 break; 1398 case BNX_DIR_TYPE_CHIMP_PATCH: 1399 code_type = CODE_CHIMP_PATCH; 1400 break; 1401 case BNX_DIR_TYPE_APE_FW: 1402 code_type = CODE_MCTP_PASSTHRU; 1403 break; 1404 case BNX_DIR_TYPE_APE_PATCH: 1405 code_type = CODE_APE_PATCH; 1406 break; 1407 case BNX_DIR_TYPE_KONG_FW: 1408 code_type = CODE_KONG_FW; 1409 break; 1410 case BNX_DIR_TYPE_KONG_PATCH: 1411 code_type = CODE_KONG_PATCH; 1412 break; 1413 case BNX_DIR_TYPE_BONO_FW: 1414 code_type = CODE_BONO_FW; 1415 break; 1416 case BNX_DIR_TYPE_BONO_PATCH: 1417 code_type = CODE_BONO_PATCH; 1418 break; 1419 default: 1420 netdev_err(dev, "Unsupported directory entry type: %u\n", 1421 dir_type); 1422 return -EINVAL; 1423 } 1424 if (fw_size < sizeof(struct bnxt_fw_header)) { 1425 netdev_err(dev, "Invalid firmware file size: %u\n", 1426 (unsigned int)fw_size); 1427 return -EINVAL; 1428 } 1429 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) { 1430 netdev_err(dev, "Invalid firmware signature: %08X\n", 1431 le32_to_cpu(header->signature)); 1432 return -EINVAL; 1433 } 1434 if (header->code_type != code_type) { 1435 netdev_err(dev, "Expected firmware type: %d, read: %d\n", 1436 code_type, header->code_type); 1437 return -EINVAL; 1438 } 1439 if (header->device != DEVICE_CUMULUS_FAMILY) { 1440 netdev_err(dev, "Expected firmware device family %d, read: %d\n", 1441 DEVICE_CUMULUS_FAMILY, header->device); 1442 return -EINVAL; 1443 } 1444 /* Confirm the CRC32 checksum of the file: */ 1445 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1446 sizeof(stored_crc))); 1447 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1448 if (calculated_crc != stored_crc) { 1449 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n", 1450 (unsigned long)stored_crc, 1451 (unsigned long)calculated_crc); 1452 return -EINVAL; 1453 } 1454 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1455 0, 0, fw_data, fw_size); 1456 if (rc == 0) /* Firmware update successful */ 1457 rc = bnxt_firmware_reset(dev, dir_type); 1458 1459 return rc; 1460 } 1461 1462 static int bnxt_flash_microcode(struct net_device *dev, 1463 u16 dir_type, 1464 const u8 *fw_data, 1465 size_t fw_size) 1466 { 1467 struct bnxt_ucode_trailer *trailer; 1468 u32 calculated_crc; 1469 u32 stored_crc; 1470 int rc = 0; 1471 1472 if (fw_size < sizeof(struct bnxt_ucode_trailer)) { 1473 netdev_err(dev, "Invalid microcode file size: %u\n", 1474 (unsigned int)fw_size); 1475 return -EINVAL; 1476 } 1477 trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size - 1478 sizeof(*trailer))); 1479 if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) { 1480 netdev_err(dev, "Invalid microcode trailer signature: %08X\n", 1481 le32_to_cpu(trailer->sig)); 1482 return -EINVAL; 1483 } 1484 if (le16_to_cpu(trailer->dir_type) != dir_type) { 1485 netdev_err(dev, "Expected microcode type: %d, read: %d\n", 1486 dir_type, le16_to_cpu(trailer->dir_type)); 1487 return -EINVAL; 1488 } 1489 if (le16_to_cpu(trailer->trailer_length) < 1490 sizeof(struct bnxt_ucode_trailer)) { 1491 netdev_err(dev, "Invalid microcode trailer length: %d\n", 1492 le16_to_cpu(trailer->trailer_length)); 1493 return -EINVAL; 1494 } 1495 1496 /* Confirm the CRC32 checksum of the file: */ 1497 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1498 sizeof(stored_crc))); 1499 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1500 if (calculated_crc != stored_crc) { 1501 netdev_err(dev, 1502 "CRC32 (%08lX) does not match calculated: %08lX\n", 1503 (unsigned long)stored_crc, 1504 (unsigned long)calculated_crc); 1505 return -EINVAL; 1506 } 1507 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1508 0, 0, fw_data, fw_size); 1509 1510 return rc; 1511 } 1512 1513 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type) 1514 { 1515 switch (dir_type) { 1516 case BNX_DIR_TYPE_CHIMP_PATCH: 1517 case BNX_DIR_TYPE_BOOTCODE: 1518 case BNX_DIR_TYPE_BOOTCODE_2: 1519 case BNX_DIR_TYPE_APE_FW: 1520 case BNX_DIR_TYPE_APE_PATCH: 1521 case BNX_DIR_TYPE_KONG_FW: 1522 case BNX_DIR_TYPE_KONG_PATCH: 1523 case BNX_DIR_TYPE_BONO_FW: 1524 case BNX_DIR_TYPE_BONO_PATCH: 1525 return true; 1526 } 1527 1528 return false; 1529 } 1530 1531 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type) 1532 { 1533 switch (dir_type) { 1534 case BNX_DIR_TYPE_AVS: 1535 case BNX_DIR_TYPE_EXP_ROM_MBA: 1536 case BNX_DIR_TYPE_PCIE: 1537 case BNX_DIR_TYPE_TSCF_UCODE: 1538 case BNX_DIR_TYPE_EXT_PHY: 1539 case BNX_DIR_TYPE_CCM: 1540 case BNX_DIR_TYPE_ISCSI_BOOT: 1541 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6: 1542 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6: 1543 return true; 1544 } 1545 1546 return false; 1547 } 1548 1549 static bool bnxt_dir_type_is_executable(u16 dir_type) 1550 { 1551 return bnxt_dir_type_is_ape_bin_format(dir_type) || 1552 bnxt_dir_type_is_other_exec_format(dir_type); 1553 } 1554 1555 static int bnxt_flash_firmware_from_file(struct net_device *dev, 1556 u16 dir_type, 1557 const char *filename) 1558 { 1559 const struct firmware *fw; 1560 int rc; 1561 1562 rc = request_firmware(&fw, filename, &dev->dev); 1563 if (rc != 0) { 1564 netdev_err(dev, "Error %d requesting firmware file: %s\n", 1565 rc, filename); 1566 return rc; 1567 } 1568 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true) 1569 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size); 1570 else if (bnxt_dir_type_is_other_exec_format(dir_type) == true) 1571 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size); 1572 else 1573 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1574 0, 0, fw->data, fw->size); 1575 release_firmware(fw); 1576 return rc; 1577 } 1578 1579 static int bnxt_flash_package_from_file(struct net_device *dev, 1580 char *filename, u32 install_type) 1581 { 1582 struct bnxt *bp = netdev_priv(dev); 1583 struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr; 1584 struct hwrm_nvm_install_update_input install = {0}; 1585 const struct firmware *fw; 1586 u32 item_len; 1587 u16 index; 1588 int rc; 1589 1590 bnxt_hwrm_fw_set_time(bp); 1591 1592 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE, 1593 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1594 &index, &item_len, NULL) != 0) { 1595 netdev_err(dev, "PKG update area not created in nvram\n"); 1596 return -ENOBUFS; 1597 } 1598 1599 rc = request_firmware(&fw, filename, &dev->dev); 1600 if (rc != 0) { 1601 netdev_err(dev, "PKG error %d requesting file: %s\n", 1602 rc, filename); 1603 return rc; 1604 } 1605 1606 if (fw->size > item_len) { 1607 netdev_err(dev, "PKG insufficient update area in nvram: %lu", 1608 (unsigned long)fw->size); 1609 rc = -EFBIG; 1610 } else { 1611 dma_addr_t dma_handle; 1612 u8 *kmem; 1613 struct hwrm_nvm_modify_input modify = {0}; 1614 1615 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1); 1616 1617 modify.dir_idx = cpu_to_le16(index); 1618 modify.len = cpu_to_le32(fw->size); 1619 1620 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size, 1621 &dma_handle, GFP_KERNEL); 1622 if (!kmem) { 1623 netdev_err(dev, 1624 "dma_alloc_coherent failure, length = %u\n", 1625 (unsigned int)fw->size); 1626 rc = -ENOMEM; 1627 } else { 1628 memcpy(kmem, fw->data, fw->size); 1629 modify.host_src_addr = cpu_to_le64(dma_handle); 1630 1631 rc = hwrm_send_message(bp, &modify, sizeof(modify), 1632 FLASH_PACKAGE_TIMEOUT); 1633 dma_free_coherent(&bp->pdev->dev, fw->size, kmem, 1634 dma_handle); 1635 } 1636 } 1637 release_firmware(fw); 1638 if (rc) 1639 return rc; 1640 1641 if ((install_type & 0xffff) == 0) 1642 install_type >>= 16; 1643 bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1); 1644 install.install_type = cpu_to_le32(install_type); 1645 1646 mutex_lock(&bp->hwrm_cmd_lock); 1647 rc = _hwrm_send_message(bp, &install, sizeof(install), 1648 INSTALL_PACKAGE_TIMEOUT); 1649 if (rc) { 1650 rc = -EOPNOTSUPP; 1651 goto flash_pkg_exit; 1652 } 1653 1654 if (resp->error_code) { 1655 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err; 1656 1657 if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) { 1658 install.flags |= cpu_to_le16( 1659 NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG); 1660 rc = _hwrm_send_message(bp, &install, sizeof(install), 1661 INSTALL_PACKAGE_TIMEOUT); 1662 if (rc) { 1663 rc = -EOPNOTSUPP; 1664 goto flash_pkg_exit; 1665 } 1666 } 1667 } 1668 1669 if (resp->result) { 1670 netdev_err(dev, "PKG install error = %d, problem_item = %d\n", 1671 (s8)resp->result, (int)resp->problem_item); 1672 rc = -ENOPKG; 1673 } 1674 flash_pkg_exit: 1675 mutex_unlock(&bp->hwrm_cmd_lock); 1676 return rc; 1677 } 1678 1679 static int bnxt_flash_device(struct net_device *dev, 1680 struct ethtool_flash *flash) 1681 { 1682 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) { 1683 netdev_err(dev, "flashdev not supported from a virtual function\n"); 1684 return -EINVAL; 1685 } 1686 1687 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS || 1688 flash->region > 0xffff) 1689 return bnxt_flash_package_from_file(dev, flash->data, 1690 flash->region); 1691 1692 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data); 1693 } 1694 1695 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length) 1696 { 1697 struct bnxt *bp = netdev_priv(dev); 1698 int rc; 1699 struct hwrm_nvm_get_dir_info_input req = {0}; 1700 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr; 1701 1702 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1); 1703 1704 mutex_lock(&bp->hwrm_cmd_lock); 1705 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1706 if (!rc) { 1707 *entries = le32_to_cpu(output->entries); 1708 *length = le32_to_cpu(output->entry_length); 1709 } 1710 mutex_unlock(&bp->hwrm_cmd_lock); 1711 return rc; 1712 } 1713 1714 static int bnxt_get_eeprom_len(struct net_device *dev) 1715 { 1716 /* The -1 return value allows the entire 32-bit range of offsets to be 1717 * passed via the ethtool command-line utility. 1718 */ 1719 return -1; 1720 } 1721 1722 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) 1723 { 1724 struct bnxt *bp = netdev_priv(dev); 1725 int rc; 1726 u32 dir_entries; 1727 u32 entry_length; 1728 u8 *buf; 1729 size_t buflen; 1730 dma_addr_t dma_handle; 1731 struct hwrm_nvm_get_dir_entries_input req = {0}; 1732 1733 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length); 1734 if (rc != 0) 1735 return rc; 1736 1737 /* Insert 2 bytes of directory info (count and size of entries) */ 1738 if (len < 2) 1739 return -EINVAL; 1740 1741 *data++ = dir_entries; 1742 *data++ = entry_length; 1743 len -= 2; 1744 memset(data, 0xff, len); 1745 1746 buflen = dir_entries * entry_length; 1747 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle, 1748 GFP_KERNEL); 1749 if (!buf) { 1750 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1751 (unsigned)buflen); 1752 return -ENOMEM; 1753 } 1754 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1); 1755 req.host_dest_addr = cpu_to_le64(dma_handle); 1756 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1757 if (rc == 0) 1758 memcpy(data, buf, len > buflen ? buflen : len); 1759 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle); 1760 return rc; 1761 } 1762 1763 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, 1764 u32 length, u8 *data) 1765 { 1766 struct bnxt *bp = netdev_priv(dev); 1767 int rc; 1768 u8 *buf; 1769 dma_addr_t dma_handle; 1770 struct hwrm_nvm_read_input req = {0}; 1771 1772 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle, 1773 GFP_KERNEL); 1774 if (!buf) { 1775 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1776 (unsigned)length); 1777 return -ENOMEM; 1778 } 1779 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1); 1780 req.host_dest_addr = cpu_to_le64(dma_handle); 1781 req.dir_idx = cpu_to_le16(index); 1782 req.offset = cpu_to_le32(offset); 1783 req.len = cpu_to_le32(length); 1784 1785 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1786 if (rc == 0) 1787 memcpy(data, buf, length); 1788 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle); 1789 return rc; 1790 } 1791 1792 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1793 u16 ext, u16 *index, u32 *item_length, 1794 u32 *data_length) 1795 { 1796 struct bnxt *bp = netdev_priv(dev); 1797 int rc; 1798 struct hwrm_nvm_find_dir_entry_input req = {0}; 1799 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr; 1800 1801 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1); 1802 req.enables = 0; 1803 req.dir_idx = 0; 1804 req.dir_type = cpu_to_le16(type); 1805 req.dir_ordinal = cpu_to_le16(ordinal); 1806 req.dir_ext = cpu_to_le16(ext); 1807 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ; 1808 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1809 if (rc == 0) { 1810 if (index) 1811 *index = le16_to_cpu(output->dir_idx); 1812 if (item_length) 1813 *item_length = le32_to_cpu(output->dir_item_length); 1814 if (data_length) 1815 *data_length = le32_to_cpu(output->dir_data_length); 1816 } 1817 return rc; 1818 } 1819 1820 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen) 1821 { 1822 char *retval = NULL; 1823 char *p; 1824 char *value; 1825 int field = 0; 1826 1827 if (datalen < 1) 1828 return NULL; 1829 /* null-terminate the log data (removing last '\n'): */ 1830 data[datalen - 1] = 0; 1831 for (p = data; *p != 0; p++) { 1832 field = 0; 1833 retval = NULL; 1834 while (*p != 0 && *p != '\n') { 1835 value = p; 1836 while (*p != 0 && *p != '\t' && *p != '\n') 1837 p++; 1838 if (field == desired_field) 1839 retval = value; 1840 if (*p != '\t') 1841 break; 1842 *p = 0; 1843 field++; 1844 p++; 1845 } 1846 if (*p == 0) 1847 break; 1848 *p = 0; 1849 } 1850 return retval; 1851 } 1852 1853 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen) 1854 { 1855 u16 index = 0; 1856 u32 datalen; 1857 1858 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG, 1859 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1860 &index, NULL, &datalen) != 0) 1861 return NULL; 1862 1863 memset(buf, 0, buflen); 1864 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0) 1865 return NULL; 1866 1867 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf, 1868 datalen); 1869 } 1870 1871 static int bnxt_get_eeprom(struct net_device *dev, 1872 struct ethtool_eeprom *eeprom, 1873 u8 *data) 1874 { 1875 u32 index; 1876 u32 offset; 1877 1878 if (eeprom->offset == 0) /* special offset value to get directory */ 1879 return bnxt_get_nvram_directory(dev, eeprom->len, data); 1880 1881 index = eeprom->offset >> 24; 1882 offset = eeprom->offset & 0xffffff; 1883 1884 if (index == 0) { 1885 netdev_err(dev, "unsupported index value: %d\n", index); 1886 return -EINVAL; 1887 } 1888 1889 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data); 1890 } 1891 1892 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index) 1893 { 1894 struct bnxt *bp = netdev_priv(dev); 1895 struct hwrm_nvm_erase_dir_entry_input req = {0}; 1896 1897 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1); 1898 req.dir_idx = cpu_to_le16(index); 1899 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1900 } 1901 1902 static int bnxt_set_eeprom(struct net_device *dev, 1903 struct ethtool_eeprom *eeprom, 1904 u8 *data) 1905 { 1906 struct bnxt *bp = netdev_priv(dev); 1907 u8 index, dir_op; 1908 u16 type, ext, ordinal, attr; 1909 1910 if (!BNXT_PF(bp)) { 1911 netdev_err(dev, "NVM write not supported from a virtual function\n"); 1912 return -EINVAL; 1913 } 1914 1915 type = eeprom->magic >> 16; 1916 1917 if (type == 0xffff) { /* special value for directory operations */ 1918 index = eeprom->magic & 0xff; 1919 dir_op = eeprom->magic >> 8; 1920 if (index == 0) 1921 return -EINVAL; 1922 switch (dir_op) { 1923 case 0x0e: /* erase */ 1924 if (eeprom->offset != ~eeprom->magic) 1925 return -EINVAL; 1926 return bnxt_erase_nvram_directory(dev, index - 1); 1927 default: 1928 return -EINVAL; 1929 } 1930 } 1931 1932 /* Create or re-write an NVM item: */ 1933 if (bnxt_dir_type_is_executable(type) == true) 1934 return -EOPNOTSUPP; 1935 ext = eeprom->magic & 0xffff; 1936 ordinal = eeprom->offset >> 16; 1937 attr = eeprom->offset & 0xffff; 1938 1939 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data, 1940 eeprom->len); 1941 } 1942 1943 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) 1944 { 1945 struct bnxt *bp = netdev_priv(dev); 1946 struct ethtool_eee *eee = &bp->eee; 1947 struct bnxt_link_info *link_info = &bp->link_info; 1948 u32 advertising = 1949 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); 1950 int rc = 0; 1951 1952 if (!BNXT_SINGLE_PF(bp)) 1953 return -EOPNOTSUPP; 1954 1955 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1956 return -EOPNOTSUPP; 1957 1958 if (!edata->eee_enabled) 1959 goto eee_ok; 1960 1961 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { 1962 netdev_warn(dev, "EEE requires autoneg\n"); 1963 return -EINVAL; 1964 } 1965 if (edata->tx_lpi_enabled) { 1966 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi || 1967 edata->tx_lpi_timer < bp->lpi_tmr_lo)) { 1968 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n", 1969 bp->lpi_tmr_lo, bp->lpi_tmr_hi); 1970 return -EINVAL; 1971 } else if (!bp->lpi_tmr_hi) { 1972 edata->tx_lpi_timer = eee->tx_lpi_timer; 1973 } 1974 } 1975 if (!edata->advertised) { 1976 edata->advertised = advertising & eee->supported; 1977 } else if (edata->advertised & ~advertising) { 1978 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n", 1979 edata->advertised, advertising); 1980 return -EINVAL; 1981 } 1982 1983 eee->advertised = edata->advertised; 1984 eee->tx_lpi_enabled = edata->tx_lpi_enabled; 1985 eee->tx_lpi_timer = edata->tx_lpi_timer; 1986 eee_ok: 1987 eee->eee_enabled = edata->eee_enabled; 1988 1989 if (netif_running(dev)) 1990 rc = bnxt_hwrm_set_link_setting(bp, false, true); 1991 1992 return rc; 1993 } 1994 1995 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata) 1996 { 1997 struct bnxt *bp = netdev_priv(dev); 1998 1999 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 2000 return -EOPNOTSUPP; 2001 2002 *edata = bp->eee; 2003 if (!bp->eee.eee_enabled) { 2004 /* Preserve tx_lpi_timer so that the last value will be used 2005 * by default when it is re-enabled. 2006 */ 2007 edata->advertised = 0; 2008 edata->tx_lpi_enabled = 0; 2009 } 2010 2011 if (!bp->eee.eee_active) 2012 edata->lp_advertised = 0; 2013 2014 return 0; 2015 } 2016 2017 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr, 2018 u16 page_number, u16 start_addr, 2019 u16 data_length, u8 *buf) 2020 { 2021 struct hwrm_port_phy_i2c_read_input req = {0}; 2022 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 2023 int rc, byte_offset = 0; 2024 2025 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 2026 req.i2c_slave_addr = i2c_addr; 2027 req.page_number = cpu_to_le16(page_number); 2028 req.port_id = cpu_to_le16(bp->pf.port_id); 2029 do { 2030 u16 xfer_size; 2031 2032 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE); 2033 data_length -= xfer_size; 2034 req.page_offset = cpu_to_le16(start_addr + byte_offset); 2035 req.data_length = xfer_size; 2036 req.enables = cpu_to_le32(start_addr + byte_offset ? 2037 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0); 2038 mutex_lock(&bp->hwrm_cmd_lock); 2039 rc = _hwrm_send_message(bp, &req, sizeof(req), 2040 HWRM_CMD_TIMEOUT); 2041 if (!rc) 2042 memcpy(buf + byte_offset, output->data, xfer_size); 2043 mutex_unlock(&bp->hwrm_cmd_lock); 2044 byte_offset += xfer_size; 2045 } while (!rc && data_length > 0); 2046 2047 return rc; 2048 } 2049 2050 static int bnxt_get_module_info(struct net_device *dev, 2051 struct ethtool_modinfo *modinfo) 2052 { 2053 struct bnxt *bp = netdev_priv(dev); 2054 struct hwrm_port_phy_i2c_read_input req = {0}; 2055 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 2056 int rc; 2057 2058 /* No point in going further if phy status indicates 2059 * module is not inserted or if it is powered down or 2060 * if it is of type 10GBase-T 2061 */ 2062 if (bp->link_info.module_status > 2063 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG) 2064 return -EOPNOTSUPP; 2065 2066 /* This feature is not supported in older firmware versions */ 2067 if (bp->hwrm_spec_code < 0x10202) 2068 return -EOPNOTSUPP; 2069 2070 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 2071 req.i2c_slave_addr = I2C_DEV_ADDR_A0; 2072 req.page_number = 0; 2073 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR); 2074 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE; 2075 req.port_id = cpu_to_le16(bp->pf.port_id); 2076 mutex_lock(&bp->hwrm_cmd_lock); 2077 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2078 if (!rc) { 2079 u32 module_id = le32_to_cpu(output->data[0]); 2080 2081 switch (module_id) { 2082 case SFF_MODULE_ID_SFP: 2083 modinfo->type = ETH_MODULE_SFF_8472; 2084 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 2085 break; 2086 case SFF_MODULE_ID_QSFP: 2087 case SFF_MODULE_ID_QSFP_PLUS: 2088 modinfo->type = ETH_MODULE_SFF_8436; 2089 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 2090 break; 2091 case SFF_MODULE_ID_QSFP28: 2092 modinfo->type = ETH_MODULE_SFF_8636; 2093 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 2094 break; 2095 default: 2096 rc = -EOPNOTSUPP; 2097 break; 2098 } 2099 } 2100 mutex_unlock(&bp->hwrm_cmd_lock); 2101 return rc; 2102 } 2103 2104 static int bnxt_get_module_eeprom(struct net_device *dev, 2105 struct ethtool_eeprom *eeprom, 2106 u8 *data) 2107 { 2108 struct bnxt *bp = netdev_priv(dev); 2109 u16 start = eeprom->offset, length = eeprom->len; 2110 int rc = 0; 2111 2112 memset(data, 0, eeprom->len); 2113 2114 /* Read A0 portion of the EEPROM */ 2115 if (start < ETH_MODULE_SFF_8436_LEN) { 2116 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN) 2117 length = ETH_MODULE_SFF_8436_LEN - start; 2118 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 2119 start, length, data); 2120 if (rc) 2121 return rc; 2122 start += length; 2123 data += length; 2124 length = eeprom->len - length; 2125 } 2126 2127 /* Read A2 portion of the EEPROM */ 2128 if (length) { 2129 start -= ETH_MODULE_SFF_8436_LEN; 2130 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start, 2131 length, data); 2132 } 2133 return rc; 2134 } 2135 2136 static int bnxt_nway_reset(struct net_device *dev) 2137 { 2138 int rc = 0; 2139 2140 struct bnxt *bp = netdev_priv(dev); 2141 struct bnxt_link_info *link_info = &bp->link_info; 2142 2143 if (!BNXT_SINGLE_PF(bp)) 2144 return -EOPNOTSUPP; 2145 2146 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 2147 return -EINVAL; 2148 2149 if (netif_running(dev)) 2150 rc = bnxt_hwrm_set_link_setting(bp, true, false); 2151 2152 return rc; 2153 } 2154 2155 static int bnxt_set_phys_id(struct net_device *dev, 2156 enum ethtool_phys_id_state state) 2157 { 2158 struct hwrm_port_led_cfg_input req = {0}; 2159 struct bnxt *bp = netdev_priv(dev); 2160 struct bnxt_pf_info *pf = &bp->pf; 2161 struct bnxt_led_cfg *led_cfg; 2162 u8 led_state; 2163 __le16 duration; 2164 int i, rc; 2165 2166 if (!bp->num_leds || BNXT_VF(bp)) 2167 return -EOPNOTSUPP; 2168 2169 if (state == ETHTOOL_ID_ACTIVE) { 2170 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT; 2171 duration = cpu_to_le16(500); 2172 } else if (state == ETHTOOL_ID_INACTIVE) { 2173 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT; 2174 duration = cpu_to_le16(0); 2175 } else { 2176 return -EINVAL; 2177 } 2178 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1); 2179 req.port_id = cpu_to_le16(pf->port_id); 2180 req.num_leds = bp->num_leds; 2181 led_cfg = (struct bnxt_led_cfg *)&req.led0_id; 2182 for (i = 0; i < bp->num_leds; i++, led_cfg++) { 2183 req.enables |= BNXT_LED_DFLT_ENABLES(i); 2184 led_cfg->led_id = bp->leds[i].led_id; 2185 led_cfg->led_state = led_state; 2186 led_cfg->led_blink_on = duration; 2187 led_cfg->led_blink_off = duration; 2188 led_cfg->led_group_id = bp->leds[i].led_group_id; 2189 } 2190 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2191 if (rc) 2192 rc = -EIO; 2193 return rc; 2194 } 2195 2196 static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring) 2197 { 2198 struct hwrm_selftest_irq_input req = {0}; 2199 2200 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1); 2201 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2202 } 2203 2204 static int bnxt_test_irq(struct bnxt *bp) 2205 { 2206 int i; 2207 2208 for (i = 0; i < bp->cp_nr_rings; i++) { 2209 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id; 2210 int rc; 2211 2212 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring); 2213 if (rc) 2214 return rc; 2215 } 2216 return 0; 2217 } 2218 2219 static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable) 2220 { 2221 struct hwrm_port_mac_cfg_input req = {0}; 2222 2223 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1); 2224 2225 req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK); 2226 if (enable) 2227 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL; 2228 else 2229 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE; 2230 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2231 } 2232 2233 static int bnxt_disable_an_for_lpbk(struct bnxt *bp, 2234 struct hwrm_port_phy_cfg_input *req) 2235 { 2236 struct bnxt_link_info *link_info = &bp->link_info; 2237 u16 fw_advertising = link_info->advertising; 2238 u16 fw_speed; 2239 int rc; 2240 2241 if (!link_info->autoneg) 2242 return 0; 2243 2244 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB; 2245 if (netif_carrier_ok(bp->dev)) 2246 fw_speed = bp->link_info.link_speed; 2247 else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB) 2248 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB; 2249 else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB) 2250 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB; 2251 else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB) 2252 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB; 2253 else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB) 2254 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB; 2255 2256 req->force_link_speed = cpu_to_le16(fw_speed); 2257 req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE | 2258 PORT_PHY_CFG_REQ_FLAGS_RESET_PHY); 2259 rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT); 2260 req->flags = 0; 2261 req->force_link_speed = cpu_to_le16(0); 2262 return rc; 2263 } 2264 2265 static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable) 2266 { 2267 struct hwrm_port_phy_cfg_input req = {0}; 2268 2269 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1); 2270 2271 if (enable) { 2272 bnxt_disable_an_for_lpbk(bp, &req); 2273 req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL; 2274 } else { 2275 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE; 2276 } 2277 req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK); 2278 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2279 } 2280 2281 static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_napi *bnapi, 2282 u32 raw_cons, int pkt_size) 2283 { 2284 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; 2285 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring; 2286 struct bnxt_sw_rx_bd *rx_buf; 2287 struct rx_cmp *rxcmp; 2288 u16 cp_cons, cons; 2289 u8 *data; 2290 u32 len; 2291 int i; 2292 2293 cp_cons = RING_CMP(raw_cons); 2294 rxcmp = (struct rx_cmp *) 2295 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; 2296 cons = rxcmp->rx_cmp_opaque; 2297 rx_buf = &rxr->rx_buf_ring[cons]; 2298 data = rx_buf->data_ptr; 2299 len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT; 2300 if (len != pkt_size) 2301 return -EIO; 2302 i = ETH_ALEN; 2303 if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr)) 2304 return -EIO; 2305 i += ETH_ALEN; 2306 for ( ; i < pkt_size; i++) { 2307 if (data[i] != (u8)(i & 0xff)) 2308 return -EIO; 2309 } 2310 return 0; 2311 } 2312 2313 static int bnxt_poll_loopback(struct bnxt *bp, int pkt_size) 2314 { 2315 struct bnxt_napi *bnapi = bp->bnapi[0]; 2316 struct bnxt_cp_ring_info *cpr; 2317 struct tx_cmp *txcmp; 2318 int rc = -EIO; 2319 u32 raw_cons; 2320 u32 cons; 2321 int i; 2322 2323 cpr = &bnapi->cp_ring; 2324 raw_cons = cpr->cp_raw_cons; 2325 for (i = 0; i < 200; i++) { 2326 cons = RING_CMP(raw_cons); 2327 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)]; 2328 2329 if (!TX_CMP_VALID(txcmp, raw_cons)) { 2330 udelay(5); 2331 continue; 2332 } 2333 2334 /* The valid test of the entry must be done first before 2335 * reading any further. 2336 */ 2337 dma_rmb(); 2338 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) { 2339 rc = bnxt_rx_loopback(bp, bnapi, raw_cons, pkt_size); 2340 raw_cons = NEXT_RAW_CMP(raw_cons); 2341 raw_cons = NEXT_RAW_CMP(raw_cons); 2342 break; 2343 } 2344 raw_cons = NEXT_RAW_CMP(raw_cons); 2345 } 2346 cpr->cp_raw_cons = raw_cons; 2347 return rc; 2348 } 2349 2350 static int bnxt_run_loopback(struct bnxt *bp) 2351 { 2352 struct bnxt_tx_ring_info *txr = &bp->tx_ring[0]; 2353 int pkt_size, i = 0; 2354 struct sk_buff *skb; 2355 dma_addr_t map; 2356 u8 *data; 2357 int rc; 2358 2359 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh); 2360 skb = netdev_alloc_skb(bp->dev, pkt_size); 2361 if (!skb) 2362 return -ENOMEM; 2363 data = skb_put(skb, pkt_size); 2364 eth_broadcast_addr(data); 2365 i += ETH_ALEN; 2366 ether_addr_copy(&data[i], bp->dev->dev_addr); 2367 i += ETH_ALEN; 2368 for ( ; i < pkt_size; i++) 2369 data[i] = (u8)(i & 0xff); 2370 2371 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size, 2372 PCI_DMA_TODEVICE); 2373 if (dma_mapping_error(&bp->pdev->dev, map)) { 2374 dev_kfree_skb(skb); 2375 return -EIO; 2376 } 2377 bnxt_xmit_xdp(bp, txr, map, pkt_size, 0); 2378 2379 /* Sync BD data before updating doorbell */ 2380 wmb(); 2381 2382 bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | txr->tx_prod); 2383 rc = bnxt_poll_loopback(bp, pkt_size); 2384 2385 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE); 2386 dev_kfree_skb(skb); 2387 return rc; 2388 } 2389 2390 static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results) 2391 { 2392 struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr; 2393 struct hwrm_selftest_exec_input req = {0}; 2394 int rc; 2395 2396 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1); 2397 mutex_lock(&bp->hwrm_cmd_lock); 2398 resp->test_success = 0; 2399 req.flags = test_mask; 2400 rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout); 2401 *test_results = resp->test_success; 2402 mutex_unlock(&bp->hwrm_cmd_lock); 2403 return rc; 2404 } 2405 2406 #define BNXT_DRV_TESTS 3 2407 #define BNXT_MACLPBK_TEST_IDX (bp->num_tests - BNXT_DRV_TESTS) 2408 #define BNXT_PHYLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 1) 2409 #define BNXT_IRQ_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 2) 2410 2411 static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest, 2412 u64 *buf) 2413 { 2414 struct bnxt *bp = netdev_priv(dev); 2415 bool offline = false; 2416 u8 test_results = 0; 2417 u8 test_mask = 0; 2418 int rc, i; 2419 2420 if (!bp->num_tests || !BNXT_SINGLE_PF(bp)) 2421 return; 2422 memset(buf, 0, sizeof(u64) * bp->num_tests); 2423 if (!netif_running(dev)) { 2424 etest->flags |= ETH_TEST_FL_FAILED; 2425 return; 2426 } 2427 2428 if (etest->flags & ETH_TEST_FL_OFFLINE) { 2429 if (bp->pf.active_vfs) { 2430 etest->flags |= ETH_TEST_FL_FAILED; 2431 netdev_warn(dev, "Offline tests cannot be run with active VFs\n"); 2432 return; 2433 } 2434 offline = true; 2435 } 2436 2437 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) { 2438 u8 bit_val = 1 << i; 2439 2440 if (!(bp->test_info->offline_mask & bit_val)) 2441 test_mask |= bit_val; 2442 else if (offline) 2443 test_mask |= bit_val; 2444 } 2445 if (!offline) { 2446 bnxt_run_fw_tests(bp, test_mask, &test_results); 2447 } else { 2448 rc = bnxt_close_nic(bp, false, false); 2449 if (rc) 2450 return; 2451 bnxt_run_fw_tests(bp, test_mask, &test_results); 2452 2453 buf[BNXT_MACLPBK_TEST_IDX] = 1; 2454 bnxt_hwrm_mac_loopback(bp, true); 2455 msleep(250); 2456 rc = bnxt_half_open_nic(bp); 2457 if (rc) { 2458 bnxt_hwrm_mac_loopback(bp, false); 2459 etest->flags |= ETH_TEST_FL_FAILED; 2460 return; 2461 } 2462 if (bnxt_run_loopback(bp)) 2463 etest->flags |= ETH_TEST_FL_FAILED; 2464 else 2465 buf[BNXT_MACLPBK_TEST_IDX] = 0; 2466 2467 bnxt_hwrm_mac_loopback(bp, false); 2468 bnxt_hwrm_phy_loopback(bp, true); 2469 msleep(1000); 2470 if (bnxt_run_loopback(bp)) { 2471 buf[BNXT_PHYLPBK_TEST_IDX] = 1; 2472 etest->flags |= ETH_TEST_FL_FAILED; 2473 } 2474 bnxt_hwrm_phy_loopback(bp, false); 2475 bnxt_half_close_nic(bp); 2476 bnxt_open_nic(bp, false, true); 2477 } 2478 if (bnxt_test_irq(bp)) { 2479 buf[BNXT_IRQ_TEST_IDX] = 1; 2480 etest->flags |= ETH_TEST_FL_FAILED; 2481 } 2482 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) { 2483 u8 bit_val = 1 << i; 2484 2485 if ((test_mask & bit_val) && !(test_results & bit_val)) { 2486 buf[i] = 1; 2487 etest->flags |= ETH_TEST_FL_FAILED; 2488 } 2489 } 2490 } 2491 2492 void bnxt_ethtool_init(struct bnxt *bp) 2493 { 2494 struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr; 2495 struct hwrm_selftest_qlist_input req = {0}; 2496 struct bnxt_test_info *test_info; 2497 int i, rc; 2498 2499 if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp)) 2500 return; 2501 2502 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1); 2503 mutex_lock(&bp->hwrm_cmd_lock); 2504 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2505 if (rc) 2506 goto ethtool_init_exit; 2507 2508 test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL); 2509 if (!test_info) 2510 goto ethtool_init_exit; 2511 2512 bp->test_info = test_info; 2513 bp->num_tests = resp->num_tests + BNXT_DRV_TESTS; 2514 if (bp->num_tests > BNXT_MAX_TEST) 2515 bp->num_tests = BNXT_MAX_TEST; 2516 2517 test_info->offline_mask = resp->offline_tests; 2518 test_info->timeout = le16_to_cpu(resp->test_timeout); 2519 if (!test_info->timeout) 2520 test_info->timeout = HWRM_CMD_TIMEOUT; 2521 for (i = 0; i < bp->num_tests; i++) { 2522 char *str = test_info->string[i]; 2523 char *fw_str = resp->test0_name + i * 32; 2524 2525 if (i == BNXT_MACLPBK_TEST_IDX) { 2526 strcpy(str, "Mac loopback test (offline)"); 2527 } else if (i == BNXT_PHYLPBK_TEST_IDX) { 2528 strcpy(str, "Phy loopback test (offline)"); 2529 } else if (i == BNXT_IRQ_TEST_IDX) { 2530 strcpy(str, "Interrupt_test (offline)"); 2531 } else { 2532 strlcpy(str, fw_str, ETH_GSTRING_LEN); 2533 strncat(str, " test", ETH_GSTRING_LEN - strlen(str)); 2534 if (test_info->offline_mask & (1 << i)) 2535 strncat(str, " (offline)", 2536 ETH_GSTRING_LEN - strlen(str)); 2537 else 2538 strncat(str, " (online)", 2539 ETH_GSTRING_LEN - strlen(str)); 2540 } 2541 } 2542 2543 ethtool_init_exit: 2544 mutex_unlock(&bp->hwrm_cmd_lock); 2545 } 2546 2547 void bnxt_ethtool_free(struct bnxt *bp) 2548 { 2549 kfree(bp->test_info); 2550 bp->test_info = NULL; 2551 } 2552 2553 const struct ethtool_ops bnxt_ethtool_ops = { 2554 .get_link_ksettings = bnxt_get_link_ksettings, 2555 .set_link_ksettings = bnxt_set_link_ksettings, 2556 .get_pauseparam = bnxt_get_pauseparam, 2557 .set_pauseparam = bnxt_set_pauseparam, 2558 .get_drvinfo = bnxt_get_drvinfo, 2559 .get_wol = bnxt_get_wol, 2560 .set_wol = bnxt_set_wol, 2561 .get_coalesce = bnxt_get_coalesce, 2562 .set_coalesce = bnxt_set_coalesce, 2563 .get_msglevel = bnxt_get_msglevel, 2564 .set_msglevel = bnxt_set_msglevel, 2565 .get_sset_count = bnxt_get_sset_count, 2566 .get_strings = bnxt_get_strings, 2567 .get_ethtool_stats = bnxt_get_ethtool_stats, 2568 .set_ringparam = bnxt_set_ringparam, 2569 .get_ringparam = bnxt_get_ringparam, 2570 .get_channels = bnxt_get_channels, 2571 .set_channels = bnxt_set_channels, 2572 .get_rxnfc = bnxt_get_rxnfc, 2573 .set_rxnfc = bnxt_set_rxnfc, 2574 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size, 2575 .get_rxfh_key_size = bnxt_get_rxfh_key_size, 2576 .get_rxfh = bnxt_get_rxfh, 2577 .flash_device = bnxt_flash_device, 2578 .get_eeprom_len = bnxt_get_eeprom_len, 2579 .get_eeprom = bnxt_get_eeprom, 2580 .set_eeprom = bnxt_set_eeprom, 2581 .get_link = bnxt_get_link, 2582 .get_eee = bnxt_get_eee, 2583 .set_eee = bnxt_set_eee, 2584 .get_module_info = bnxt_get_module_info, 2585 .get_module_eeprom = bnxt_get_module_eeprom, 2586 .nway_reset = bnxt_nway_reset, 2587 .set_phys_id = bnxt_set_phys_id, 2588 .self_test = bnxt_self_test, 2589 }; 2590