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 u32 bnxt_get_msglevel(struct net_device *dev) 30 { 31 struct bnxt *bp = netdev_priv(dev); 32 33 return bp->msg_enable; 34 } 35 36 static void bnxt_set_msglevel(struct net_device *dev, u32 value) 37 { 38 struct bnxt *bp = netdev_priv(dev); 39 40 bp->msg_enable = value; 41 } 42 43 static int bnxt_get_coalesce(struct net_device *dev, 44 struct ethtool_coalesce *coal) 45 { 46 struct bnxt *bp = netdev_priv(dev); 47 struct bnxt_coal *hw_coal; 48 u16 mult; 49 50 memset(coal, 0, sizeof(*coal)); 51 52 hw_coal = &bp->rx_coal; 53 mult = hw_coal->bufs_per_record; 54 coal->rx_coalesce_usecs = hw_coal->coal_ticks; 55 coal->rx_max_coalesced_frames = hw_coal->coal_bufs / mult; 56 coal->rx_coalesce_usecs_irq = hw_coal->coal_ticks_irq; 57 coal->rx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult; 58 59 hw_coal = &bp->tx_coal; 60 mult = hw_coal->bufs_per_record; 61 coal->tx_coalesce_usecs = hw_coal->coal_ticks; 62 coal->tx_max_coalesced_frames = hw_coal->coal_bufs / mult; 63 coal->tx_coalesce_usecs_irq = hw_coal->coal_ticks_irq; 64 coal->tx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult; 65 66 coal->stats_block_coalesce_usecs = bp->stats_coal_ticks; 67 68 return 0; 69 } 70 71 static int bnxt_set_coalesce(struct net_device *dev, 72 struct ethtool_coalesce *coal) 73 { 74 struct bnxt *bp = netdev_priv(dev); 75 bool update_stats = false; 76 struct bnxt_coal *hw_coal; 77 int rc = 0; 78 u16 mult; 79 80 hw_coal = &bp->rx_coal; 81 mult = hw_coal->bufs_per_record; 82 hw_coal->coal_ticks = coal->rx_coalesce_usecs; 83 hw_coal->coal_bufs = coal->rx_max_coalesced_frames * mult; 84 hw_coal->coal_ticks_irq = coal->rx_coalesce_usecs_irq; 85 hw_coal->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * mult; 86 87 hw_coal = &bp->tx_coal; 88 mult = hw_coal->bufs_per_record; 89 hw_coal->coal_ticks = coal->tx_coalesce_usecs; 90 hw_coal->coal_bufs = coal->tx_max_coalesced_frames * mult; 91 hw_coal->coal_ticks_irq = coal->tx_coalesce_usecs_irq; 92 hw_coal->coal_bufs_irq = coal->tx_max_coalesced_frames_irq * mult; 93 94 if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) { 95 u32 stats_ticks = coal->stats_block_coalesce_usecs; 96 97 /* Allow 0, which means disable. */ 98 if (stats_ticks) 99 stats_ticks = clamp_t(u32, stats_ticks, 100 BNXT_MIN_STATS_COAL_TICKS, 101 BNXT_MAX_STATS_COAL_TICKS); 102 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS); 103 bp->stats_coal_ticks = stats_ticks; 104 update_stats = true; 105 } 106 107 if (netif_running(dev)) { 108 if (update_stats) { 109 rc = bnxt_close_nic(bp, true, false); 110 if (!rc) 111 rc = bnxt_open_nic(bp, true, false); 112 } else { 113 rc = bnxt_hwrm_set_coal(bp); 114 } 115 } 116 117 return rc; 118 } 119 120 #define BNXT_NUM_STATS 21 121 122 #define BNXT_RX_STATS_ENTRY(counter) \ 123 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) } 124 125 #define BNXT_TX_STATS_ENTRY(counter) \ 126 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) } 127 128 static const struct { 129 long offset; 130 char string[ETH_GSTRING_LEN]; 131 } bnxt_port_stats_arr[] = { 132 BNXT_RX_STATS_ENTRY(rx_64b_frames), 133 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames), 134 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames), 135 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames), 136 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames), 137 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames), 138 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames), 139 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames), 140 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames), 141 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames), 142 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames), 143 BNXT_RX_STATS_ENTRY(rx_total_frames), 144 BNXT_RX_STATS_ENTRY(rx_ucast_frames), 145 BNXT_RX_STATS_ENTRY(rx_mcast_frames), 146 BNXT_RX_STATS_ENTRY(rx_bcast_frames), 147 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames), 148 BNXT_RX_STATS_ENTRY(rx_ctrl_frames), 149 BNXT_RX_STATS_ENTRY(rx_pause_frames), 150 BNXT_RX_STATS_ENTRY(rx_pfc_frames), 151 BNXT_RX_STATS_ENTRY(rx_align_err_frames), 152 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames), 153 BNXT_RX_STATS_ENTRY(rx_jbr_frames), 154 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames), 155 BNXT_RX_STATS_ENTRY(rx_tagged_frames), 156 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames), 157 BNXT_RX_STATS_ENTRY(rx_good_frames), 158 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0), 159 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1), 160 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2), 161 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3), 162 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4), 163 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5), 164 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6), 165 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7), 166 BNXT_RX_STATS_ENTRY(rx_undrsz_frames), 167 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events), 168 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration), 169 BNXT_RX_STATS_ENTRY(rx_bytes), 170 BNXT_RX_STATS_ENTRY(rx_runt_bytes), 171 BNXT_RX_STATS_ENTRY(rx_runt_frames), 172 173 BNXT_TX_STATS_ENTRY(tx_64b_frames), 174 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames), 175 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames), 176 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames), 177 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames), 178 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames), 179 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames), 180 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames), 181 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames), 182 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames), 183 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames), 184 BNXT_TX_STATS_ENTRY(tx_good_frames), 185 BNXT_TX_STATS_ENTRY(tx_total_frames), 186 BNXT_TX_STATS_ENTRY(tx_ucast_frames), 187 BNXT_TX_STATS_ENTRY(tx_mcast_frames), 188 BNXT_TX_STATS_ENTRY(tx_bcast_frames), 189 BNXT_TX_STATS_ENTRY(tx_pause_frames), 190 BNXT_TX_STATS_ENTRY(tx_pfc_frames), 191 BNXT_TX_STATS_ENTRY(tx_jabber_frames), 192 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames), 193 BNXT_TX_STATS_ENTRY(tx_err), 194 BNXT_TX_STATS_ENTRY(tx_fifo_underruns), 195 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0), 196 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1), 197 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2), 198 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3), 199 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4), 200 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5), 201 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6), 202 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7), 203 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events), 204 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration), 205 BNXT_TX_STATS_ENTRY(tx_total_collisions), 206 BNXT_TX_STATS_ENTRY(tx_bytes), 207 }; 208 209 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr) 210 211 static int bnxt_get_num_stats(struct bnxt *bp) 212 { 213 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings; 214 215 if (bp->flags & BNXT_FLAG_PORT_STATS) 216 num_stats += BNXT_NUM_PORT_STATS; 217 218 return num_stats; 219 } 220 221 static int bnxt_get_sset_count(struct net_device *dev, int sset) 222 { 223 struct bnxt *bp = netdev_priv(dev); 224 225 switch (sset) { 226 case ETH_SS_STATS: 227 return bnxt_get_num_stats(bp); 228 case ETH_SS_TEST: 229 if (!bp->num_tests) 230 return -EOPNOTSUPP; 231 return bp->num_tests; 232 default: 233 return -EOPNOTSUPP; 234 } 235 } 236 237 static void bnxt_get_ethtool_stats(struct net_device *dev, 238 struct ethtool_stats *stats, u64 *buf) 239 { 240 u32 i, j = 0; 241 struct bnxt *bp = netdev_priv(dev); 242 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8; 243 244 if (!bp->bnapi) 245 return; 246 247 for (i = 0; i < bp->cp_nr_rings; i++) { 248 struct bnxt_napi *bnapi = bp->bnapi[i]; 249 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; 250 __le64 *hw_stats = (__le64 *)cpr->hw_stats; 251 int k; 252 253 for (k = 0; k < stat_fields; j++, k++) 254 buf[j] = le64_to_cpu(hw_stats[k]); 255 buf[j++] = cpr->rx_l4_csum_errors; 256 } 257 if (bp->flags & BNXT_FLAG_PORT_STATS) { 258 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats; 259 260 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) { 261 buf[j] = le64_to_cpu(*(port_stats + 262 bnxt_port_stats_arr[i].offset)); 263 } 264 } 265 } 266 267 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 268 { 269 struct bnxt *bp = netdev_priv(dev); 270 u32 i; 271 272 switch (stringset) { 273 /* The number of strings must match BNXT_NUM_STATS defined above. */ 274 case ETH_SS_STATS: 275 for (i = 0; i < bp->cp_nr_rings; i++) { 276 sprintf(buf, "[%d]: rx_ucast_packets", i); 277 buf += ETH_GSTRING_LEN; 278 sprintf(buf, "[%d]: rx_mcast_packets", i); 279 buf += ETH_GSTRING_LEN; 280 sprintf(buf, "[%d]: rx_bcast_packets", i); 281 buf += ETH_GSTRING_LEN; 282 sprintf(buf, "[%d]: rx_discards", i); 283 buf += ETH_GSTRING_LEN; 284 sprintf(buf, "[%d]: rx_drops", i); 285 buf += ETH_GSTRING_LEN; 286 sprintf(buf, "[%d]: rx_ucast_bytes", i); 287 buf += ETH_GSTRING_LEN; 288 sprintf(buf, "[%d]: rx_mcast_bytes", i); 289 buf += ETH_GSTRING_LEN; 290 sprintf(buf, "[%d]: rx_bcast_bytes", i); 291 buf += ETH_GSTRING_LEN; 292 sprintf(buf, "[%d]: tx_ucast_packets", i); 293 buf += ETH_GSTRING_LEN; 294 sprintf(buf, "[%d]: tx_mcast_packets", i); 295 buf += ETH_GSTRING_LEN; 296 sprintf(buf, "[%d]: tx_bcast_packets", i); 297 buf += ETH_GSTRING_LEN; 298 sprintf(buf, "[%d]: tx_discards", i); 299 buf += ETH_GSTRING_LEN; 300 sprintf(buf, "[%d]: tx_drops", i); 301 buf += ETH_GSTRING_LEN; 302 sprintf(buf, "[%d]: tx_ucast_bytes", i); 303 buf += ETH_GSTRING_LEN; 304 sprintf(buf, "[%d]: tx_mcast_bytes", i); 305 buf += ETH_GSTRING_LEN; 306 sprintf(buf, "[%d]: tx_bcast_bytes", i); 307 buf += ETH_GSTRING_LEN; 308 sprintf(buf, "[%d]: tpa_packets", i); 309 buf += ETH_GSTRING_LEN; 310 sprintf(buf, "[%d]: tpa_bytes", i); 311 buf += ETH_GSTRING_LEN; 312 sprintf(buf, "[%d]: tpa_events", i); 313 buf += ETH_GSTRING_LEN; 314 sprintf(buf, "[%d]: tpa_aborts", i); 315 buf += ETH_GSTRING_LEN; 316 sprintf(buf, "[%d]: rx_l4_csum_errors", i); 317 buf += ETH_GSTRING_LEN; 318 } 319 if (bp->flags & BNXT_FLAG_PORT_STATS) { 320 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) { 321 strcpy(buf, bnxt_port_stats_arr[i].string); 322 buf += ETH_GSTRING_LEN; 323 } 324 } 325 break; 326 case ETH_SS_TEST: 327 if (bp->num_tests) 328 memcpy(buf, bp->test_info->string, 329 bp->num_tests * ETH_GSTRING_LEN); 330 break; 331 default: 332 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n", 333 stringset); 334 break; 335 } 336 } 337 338 static void bnxt_get_ringparam(struct net_device *dev, 339 struct ethtool_ringparam *ering) 340 { 341 struct bnxt *bp = netdev_priv(dev); 342 343 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT; 344 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT; 345 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT; 346 347 ering->rx_pending = bp->rx_ring_size; 348 ering->rx_jumbo_pending = bp->rx_agg_ring_size; 349 ering->tx_pending = bp->tx_ring_size; 350 } 351 352 static int bnxt_set_ringparam(struct net_device *dev, 353 struct ethtool_ringparam *ering) 354 { 355 struct bnxt *bp = netdev_priv(dev); 356 357 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) || 358 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) || 359 (ering->tx_pending <= MAX_SKB_FRAGS)) 360 return -EINVAL; 361 362 if (netif_running(dev)) 363 bnxt_close_nic(bp, false, false); 364 365 bp->rx_ring_size = ering->rx_pending; 366 bp->tx_ring_size = ering->tx_pending; 367 bnxt_set_ring_params(bp); 368 369 if (netif_running(dev)) 370 return bnxt_open_nic(bp, false, false); 371 372 return 0; 373 } 374 375 static void bnxt_get_channels(struct net_device *dev, 376 struct ethtool_channels *channel) 377 { 378 struct bnxt *bp = netdev_priv(dev); 379 int max_rx_rings, max_tx_rings, tcs; 380 381 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true); 382 channel->max_combined = min_t(int, max_rx_rings, max_tx_rings); 383 384 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) { 385 max_rx_rings = 0; 386 max_tx_rings = 0; 387 } 388 389 tcs = netdev_get_num_tc(dev); 390 if (tcs > 1) 391 max_tx_rings /= tcs; 392 393 channel->max_rx = max_rx_rings; 394 channel->max_tx = max_tx_rings; 395 channel->max_other = 0; 396 if (bp->flags & BNXT_FLAG_SHARED_RINGS) { 397 channel->combined_count = bp->rx_nr_rings; 398 if (BNXT_CHIP_TYPE_NITRO_A0(bp)) 399 channel->combined_count--; 400 } else { 401 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) { 402 channel->rx_count = bp->rx_nr_rings; 403 channel->tx_count = bp->tx_nr_rings_per_tc; 404 } 405 } 406 } 407 408 static int bnxt_set_channels(struct net_device *dev, 409 struct ethtool_channels *channel) 410 { 411 struct bnxt *bp = netdev_priv(dev); 412 int req_tx_rings, req_rx_rings, tcs; 413 bool sh = false; 414 int tx_xdp = 0; 415 int rc = 0; 416 417 if (channel->other_count) 418 return -EINVAL; 419 420 if (!channel->combined_count && 421 (!channel->rx_count || !channel->tx_count)) 422 return -EINVAL; 423 424 if (channel->combined_count && 425 (channel->rx_count || channel->tx_count)) 426 return -EINVAL; 427 428 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count || 429 channel->tx_count)) 430 return -EINVAL; 431 432 if (channel->combined_count) 433 sh = true; 434 435 tcs = netdev_get_num_tc(dev); 436 437 req_tx_rings = sh ? channel->combined_count : channel->tx_count; 438 req_rx_rings = sh ? channel->combined_count : channel->rx_count; 439 if (bp->tx_nr_rings_xdp) { 440 if (!sh) { 441 netdev_err(dev, "Only combined mode supported when XDP is enabled.\n"); 442 return -EINVAL; 443 } 444 tx_xdp = req_rx_rings; 445 } 446 rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp); 447 if (rc) { 448 netdev_warn(dev, "Unable to allocate the requested rings\n"); 449 return rc; 450 } 451 452 if (netif_running(dev)) { 453 if (BNXT_PF(bp)) { 454 /* TODO CHIMP_FW: Send message to all VF's 455 * before PF unload 456 */ 457 } 458 rc = bnxt_close_nic(bp, true, false); 459 if (rc) { 460 netdev_err(bp->dev, "Set channel failure rc :%x\n", 461 rc); 462 return rc; 463 } 464 } 465 466 if (sh) { 467 bp->flags |= BNXT_FLAG_SHARED_RINGS; 468 bp->rx_nr_rings = channel->combined_count; 469 bp->tx_nr_rings_per_tc = channel->combined_count; 470 } else { 471 bp->flags &= ~BNXT_FLAG_SHARED_RINGS; 472 bp->rx_nr_rings = channel->rx_count; 473 bp->tx_nr_rings_per_tc = channel->tx_count; 474 } 475 bp->tx_nr_rings_xdp = tx_xdp; 476 bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp; 477 if (tcs > 1) 478 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp; 479 480 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : 481 bp->tx_nr_rings + bp->rx_nr_rings; 482 483 bp->num_stat_ctxs = bp->cp_nr_rings; 484 485 /* After changing number of rx channels, update NTUPLE feature. */ 486 netdev_update_features(dev); 487 if (netif_running(dev)) { 488 rc = bnxt_open_nic(bp, true, false); 489 if ((!rc) && BNXT_PF(bp)) { 490 /* TODO CHIMP_FW: Send message to all VF's 491 * to renable 492 */ 493 } 494 } 495 496 return rc; 497 } 498 499 #ifdef CONFIG_RFS_ACCEL 500 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd, 501 u32 *rule_locs) 502 { 503 int i, j = 0; 504 505 cmd->data = bp->ntp_fltr_count; 506 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 507 struct hlist_head *head; 508 struct bnxt_ntuple_filter *fltr; 509 510 head = &bp->ntp_fltr_hash_tbl[i]; 511 rcu_read_lock(); 512 hlist_for_each_entry_rcu(fltr, head, hash) { 513 if (j == cmd->rule_cnt) 514 break; 515 rule_locs[j++] = fltr->sw_id; 516 } 517 rcu_read_unlock(); 518 if (j == cmd->rule_cnt) 519 break; 520 } 521 cmd->rule_cnt = j; 522 return 0; 523 } 524 525 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd) 526 { 527 struct ethtool_rx_flow_spec *fs = 528 (struct ethtool_rx_flow_spec *)&cmd->fs; 529 struct bnxt_ntuple_filter *fltr; 530 struct flow_keys *fkeys; 531 int i, rc = -EINVAL; 532 533 if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR) 534 return rc; 535 536 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) { 537 struct hlist_head *head; 538 539 head = &bp->ntp_fltr_hash_tbl[i]; 540 rcu_read_lock(); 541 hlist_for_each_entry_rcu(fltr, head, hash) { 542 if (fltr->sw_id == fs->location) 543 goto fltr_found; 544 } 545 rcu_read_unlock(); 546 } 547 return rc; 548 549 fltr_found: 550 fkeys = &fltr->fkeys; 551 if (fkeys->basic.n_proto == htons(ETH_P_IP)) { 552 if (fkeys->basic.ip_proto == IPPROTO_TCP) 553 fs->flow_type = TCP_V4_FLOW; 554 else if (fkeys->basic.ip_proto == IPPROTO_UDP) 555 fs->flow_type = UDP_V4_FLOW; 556 else 557 goto fltr_err; 558 559 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src; 560 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0); 561 562 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst; 563 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0); 564 565 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src; 566 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0); 567 568 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst; 569 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0); 570 } else { 571 int i; 572 573 if (fkeys->basic.ip_proto == IPPROTO_TCP) 574 fs->flow_type = TCP_V6_FLOW; 575 else if (fkeys->basic.ip_proto == IPPROTO_UDP) 576 fs->flow_type = UDP_V6_FLOW; 577 else 578 goto fltr_err; 579 580 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] = 581 fkeys->addrs.v6addrs.src; 582 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] = 583 fkeys->addrs.v6addrs.dst; 584 for (i = 0; i < 4; i++) { 585 fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0); 586 fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0); 587 } 588 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src; 589 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0); 590 591 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst; 592 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0); 593 } 594 595 fs->ring_cookie = fltr->rxq; 596 rc = 0; 597 598 fltr_err: 599 rcu_read_unlock(); 600 601 return rc; 602 } 603 #endif 604 605 static u64 get_ethtool_ipv4_rss(struct bnxt *bp) 606 { 607 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4) 608 return RXH_IP_SRC | RXH_IP_DST; 609 return 0; 610 } 611 612 static u64 get_ethtool_ipv6_rss(struct bnxt *bp) 613 { 614 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6) 615 return RXH_IP_SRC | RXH_IP_DST; 616 return 0; 617 } 618 619 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) 620 { 621 cmd->data = 0; 622 switch (cmd->flow_type) { 623 case TCP_V4_FLOW: 624 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4) 625 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 626 RXH_L4_B_0_1 | RXH_L4_B_2_3; 627 cmd->data |= get_ethtool_ipv4_rss(bp); 628 break; 629 case UDP_V4_FLOW: 630 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4) 631 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 632 RXH_L4_B_0_1 | RXH_L4_B_2_3; 633 /* fall through */ 634 case SCTP_V4_FLOW: 635 case AH_ESP_V4_FLOW: 636 case AH_V4_FLOW: 637 case ESP_V4_FLOW: 638 case IPV4_FLOW: 639 cmd->data |= get_ethtool_ipv4_rss(bp); 640 break; 641 642 case TCP_V6_FLOW: 643 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6) 644 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 645 RXH_L4_B_0_1 | RXH_L4_B_2_3; 646 cmd->data |= get_ethtool_ipv6_rss(bp); 647 break; 648 case UDP_V6_FLOW: 649 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6) 650 cmd->data |= RXH_IP_SRC | RXH_IP_DST | 651 RXH_L4_B_0_1 | RXH_L4_B_2_3; 652 /* fall through */ 653 case SCTP_V6_FLOW: 654 case AH_ESP_V6_FLOW: 655 case AH_V6_FLOW: 656 case ESP_V6_FLOW: 657 case IPV6_FLOW: 658 cmd->data |= get_ethtool_ipv6_rss(bp); 659 break; 660 } 661 return 0; 662 } 663 664 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3) 665 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST) 666 667 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd) 668 { 669 u32 rss_hash_cfg = bp->rss_hash_cfg; 670 int tuple, rc = 0; 671 672 if (cmd->data == RXH_4TUPLE) 673 tuple = 4; 674 else if (cmd->data == RXH_2TUPLE) 675 tuple = 2; 676 else if (!cmd->data) 677 tuple = 0; 678 else 679 return -EINVAL; 680 681 if (cmd->flow_type == TCP_V4_FLOW) { 682 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4; 683 if (tuple == 4) 684 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4; 685 } else if (cmd->flow_type == UDP_V4_FLOW) { 686 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP)) 687 return -EINVAL; 688 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4; 689 if (tuple == 4) 690 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4; 691 } else if (cmd->flow_type == TCP_V6_FLOW) { 692 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6; 693 if (tuple == 4) 694 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6; 695 } else if (cmd->flow_type == UDP_V6_FLOW) { 696 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP)) 697 return -EINVAL; 698 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6; 699 if (tuple == 4) 700 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6; 701 } else if (tuple == 4) { 702 return -EINVAL; 703 } 704 705 switch (cmd->flow_type) { 706 case TCP_V4_FLOW: 707 case UDP_V4_FLOW: 708 case SCTP_V4_FLOW: 709 case AH_ESP_V4_FLOW: 710 case AH_V4_FLOW: 711 case ESP_V4_FLOW: 712 case IPV4_FLOW: 713 if (tuple == 2) 714 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4; 715 else if (!tuple) 716 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4; 717 break; 718 719 case TCP_V6_FLOW: 720 case UDP_V6_FLOW: 721 case SCTP_V6_FLOW: 722 case AH_ESP_V6_FLOW: 723 case AH_V6_FLOW: 724 case ESP_V6_FLOW: 725 case IPV6_FLOW: 726 if (tuple == 2) 727 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6; 728 else if (!tuple) 729 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6; 730 break; 731 } 732 733 if (bp->rss_hash_cfg == rss_hash_cfg) 734 return 0; 735 736 bp->rss_hash_cfg = rss_hash_cfg; 737 if (netif_running(bp->dev)) { 738 bnxt_close_nic(bp, false, false); 739 rc = bnxt_open_nic(bp, false, false); 740 } 741 return rc; 742 } 743 744 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, 745 u32 *rule_locs) 746 { 747 struct bnxt *bp = netdev_priv(dev); 748 int rc = 0; 749 750 switch (cmd->cmd) { 751 #ifdef CONFIG_RFS_ACCEL 752 case ETHTOOL_GRXRINGS: 753 cmd->data = bp->rx_nr_rings; 754 break; 755 756 case ETHTOOL_GRXCLSRLCNT: 757 cmd->rule_cnt = bp->ntp_fltr_count; 758 cmd->data = BNXT_NTP_FLTR_MAX_FLTR; 759 break; 760 761 case ETHTOOL_GRXCLSRLALL: 762 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs); 763 break; 764 765 case ETHTOOL_GRXCLSRULE: 766 rc = bnxt_grxclsrule(bp, cmd); 767 break; 768 #endif 769 770 case ETHTOOL_GRXFH: 771 rc = bnxt_grxfh(bp, cmd); 772 break; 773 774 default: 775 rc = -EOPNOTSUPP; 776 break; 777 } 778 779 return rc; 780 } 781 782 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 783 { 784 struct bnxt *bp = netdev_priv(dev); 785 int rc; 786 787 switch (cmd->cmd) { 788 case ETHTOOL_SRXFH: 789 rc = bnxt_srxfh(bp, cmd); 790 break; 791 792 default: 793 rc = -EOPNOTSUPP; 794 break; 795 } 796 return rc; 797 } 798 799 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev) 800 { 801 return HW_HASH_INDEX_SIZE; 802 } 803 804 static u32 bnxt_get_rxfh_key_size(struct net_device *dev) 805 { 806 return HW_HASH_KEY_SIZE; 807 } 808 809 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, 810 u8 *hfunc) 811 { 812 struct bnxt *bp = netdev_priv(dev); 813 struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; 814 int i = 0; 815 816 if (hfunc) 817 *hfunc = ETH_RSS_HASH_TOP; 818 819 if (indir) 820 for (i = 0; i < HW_HASH_INDEX_SIZE; i++) 821 indir[i] = le16_to_cpu(vnic->rss_table[i]); 822 823 if (key) 824 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE); 825 826 return 0; 827 } 828 829 static void bnxt_get_drvinfo(struct net_device *dev, 830 struct ethtool_drvinfo *info) 831 { 832 struct bnxt *bp = netdev_priv(dev); 833 834 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); 835 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 836 strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version)); 837 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info)); 838 info->n_stats = bnxt_get_num_stats(bp); 839 info->testinfo_len = bp->num_tests; 840 /* TODO CHIMP_FW: eeprom dump details */ 841 info->eedump_len = 0; 842 /* TODO CHIMP FW: reg dump details */ 843 info->regdump_len = 0; 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_speeds) & BNXT_LINK_SPEED_MSK_100GB) \ 933 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 934 100000baseCR4_Full);\ 935 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \ 936 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 937 Pause); \ 938 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \ 939 ethtool_link_ksettings_add_link_mode( \ 940 lk_ksettings, name, Asym_Pause);\ 941 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \ 942 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\ 943 Asym_Pause); \ 944 } \ 945 } 946 947 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \ 948 { \ 949 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 950 100baseT_Full) || \ 951 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 952 100baseT_Half)) \ 953 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \ 954 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 955 1000baseT_Full) || \ 956 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 957 1000baseT_Half)) \ 958 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \ 959 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 960 10000baseT_Full)) \ 961 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \ 962 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 963 25000baseCR_Full)) \ 964 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \ 965 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 966 40000baseCR4_Full)) \ 967 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \ 968 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 969 50000baseCR2_Full)) \ 970 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \ 971 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \ 972 100000baseCR4_Full)) \ 973 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB; \ 974 } 975 976 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info, 977 struct ethtool_link_ksettings *lk_ksettings) 978 { 979 u16 fw_speeds = link_info->advertising; 980 u8 fw_pause = 0; 981 982 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 983 fw_pause = link_info->auto_pause_setting; 984 985 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising); 986 } 987 988 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info, 989 struct ethtool_link_ksettings *lk_ksettings) 990 { 991 u16 fw_speeds = link_info->lp_auto_link_speeds; 992 u8 fw_pause = 0; 993 994 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 995 fw_pause = link_info->lp_pause; 996 997 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, 998 lp_advertising); 999 } 1000 1001 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info, 1002 struct ethtool_link_ksettings *lk_ksettings) 1003 { 1004 u16 fw_speeds = link_info->support_speeds; 1005 1006 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported); 1007 1008 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause); 1009 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1010 Asym_Pause); 1011 1012 if (link_info->support_auto_speeds) 1013 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1014 Autoneg); 1015 } 1016 1017 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed) 1018 { 1019 switch (fw_link_speed) { 1020 case BNXT_LINK_SPEED_100MB: 1021 return SPEED_100; 1022 case BNXT_LINK_SPEED_1GB: 1023 return SPEED_1000; 1024 case BNXT_LINK_SPEED_2_5GB: 1025 return SPEED_2500; 1026 case BNXT_LINK_SPEED_10GB: 1027 return SPEED_10000; 1028 case BNXT_LINK_SPEED_20GB: 1029 return SPEED_20000; 1030 case BNXT_LINK_SPEED_25GB: 1031 return SPEED_25000; 1032 case BNXT_LINK_SPEED_40GB: 1033 return SPEED_40000; 1034 case BNXT_LINK_SPEED_50GB: 1035 return SPEED_50000; 1036 case BNXT_LINK_SPEED_100GB: 1037 return SPEED_100000; 1038 default: 1039 return SPEED_UNKNOWN; 1040 } 1041 } 1042 1043 static int bnxt_get_link_ksettings(struct net_device *dev, 1044 struct ethtool_link_ksettings *lk_ksettings) 1045 { 1046 struct bnxt *bp = netdev_priv(dev); 1047 struct bnxt_link_info *link_info = &bp->link_info; 1048 struct ethtool_link_settings *base = &lk_ksettings->base; 1049 u32 ethtool_speed; 1050 1051 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported); 1052 mutex_lock(&bp->link_lock); 1053 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings); 1054 1055 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising); 1056 if (link_info->autoneg) { 1057 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings); 1058 ethtool_link_ksettings_add_link_mode(lk_ksettings, 1059 advertising, Autoneg); 1060 base->autoneg = AUTONEG_ENABLE; 1061 if (link_info->phy_link_status == BNXT_LINK_LINK) 1062 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings); 1063 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed); 1064 if (!netif_carrier_ok(dev)) 1065 base->duplex = DUPLEX_UNKNOWN; 1066 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL) 1067 base->duplex = DUPLEX_FULL; 1068 else 1069 base->duplex = DUPLEX_HALF; 1070 } else { 1071 base->autoneg = AUTONEG_DISABLE; 1072 ethtool_speed = 1073 bnxt_fw_to_ethtool_speed(link_info->req_link_speed); 1074 base->duplex = DUPLEX_HALF; 1075 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL) 1076 base->duplex = DUPLEX_FULL; 1077 } 1078 base->speed = ethtool_speed; 1079 1080 base->port = PORT_NONE; 1081 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) { 1082 base->port = PORT_TP; 1083 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1084 TP); 1085 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 1086 TP); 1087 } else { 1088 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, 1089 FIBRE); 1090 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising, 1091 FIBRE); 1092 1093 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC) 1094 base->port = PORT_DA; 1095 else if (link_info->media_type == 1096 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE) 1097 base->port = PORT_FIBRE; 1098 } 1099 base->phy_address = link_info->phy_addr; 1100 mutex_unlock(&bp->link_lock); 1101 1102 return 0; 1103 } 1104 1105 static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed) 1106 { 1107 struct bnxt *bp = netdev_priv(dev); 1108 struct bnxt_link_info *link_info = &bp->link_info; 1109 u16 support_spds = link_info->support_speeds; 1110 u32 fw_speed = 0; 1111 1112 switch (ethtool_speed) { 1113 case SPEED_100: 1114 if (support_spds & BNXT_LINK_SPEED_MSK_100MB) 1115 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB; 1116 break; 1117 case SPEED_1000: 1118 if (support_spds & BNXT_LINK_SPEED_MSK_1GB) 1119 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB; 1120 break; 1121 case SPEED_2500: 1122 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB) 1123 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB; 1124 break; 1125 case SPEED_10000: 1126 if (support_spds & BNXT_LINK_SPEED_MSK_10GB) 1127 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB; 1128 break; 1129 case SPEED_20000: 1130 if (support_spds & BNXT_LINK_SPEED_MSK_20GB) 1131 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB; 1132 break; 1133 case SPEED_25000: 1134 if (support_spds & BNXT_LINK_SPEED_MSK_25GB) 1135 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB; 1136 break; 1137 case SPEED_40000: 1138 if (support_spds & BNXT_LINK_SPEED_MSK_40GB) 1139 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB; 1140 break; 1141 case SPEED_50000: 1142 if (support_spds & BNXT_LINK_SPEED_MSK_50GB) 1143 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB; 1144 break; 1145 case SPEED_100000: 1146 if (support_spds & BNXT_LINK_SPEED_MSK_100GB) 1147 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB; 1148 break; 1149 default: 1150 netdev_err(dev, "unsupported speed!\n"); 1151 break; 1152 } 1153 return fw_speed; 1154 } 1155 1156 u16 bnxt_get_fw_auto_link_speeds(u32 advertising) 1157 { 1158 u16 fw_speed_mask = 0; 1159 1160 /* only support autoneg at speed 100, 1000, and 10000 */ 1161 if (advertising & (ADVERTISED_100baseT_Full | 1162 ADVERTISED_100baseT_Half)) { 1163 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB; 1164 } 1165 if (advertising & (ADVERTISED_1000baseT_Full | 1166 ADVERTISED_1000baseT_Half)) { 1167 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB; 1168 } 1169 if (advertising & ADVERTISED_10000baseT_Full) 1170 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB; 1171 1172 if (advertising & ADVERTISED_40000baseCR4_Full) 1173 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB; 1174 1175 return fw_speed_mask; 1176 } 1177 1178 static int bnxt_set_link_ksettings(struct net_device *dev, 1179 const struct ethtool_link_ksettings *lk_ksettings) 1180 { 1181 struct bnxt *bp = netdev_priv(dev); 1182 struct bnxt_link_info *link_info = &bp->link_info; 1183 const struct ethtool_link_settings *base = &lk_ksettings->base; 1184 bool set_pause = false; 1185 u16 fw_advertising = 0; 1186 u32 speed; 1187 int rc = 0; 1188 1189 if (!BNXT_SINGLE_PF(bp)) 1190 return -EOPNOTSUPP; 1191 1192 mutex_lock(&bp->link_lock); 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 mutex_unlock(&bp->link_lock); 1238 return rc; 1239 } 1240 1241 static void bnxt_get_pauseparam(struct net_device *dev, 1242 struct ethtool_pauseparam *epause) 1243 { 1244 struct bnxt *bp = netdev_priv(dev); 1245 struct bnxt_link_info *link_info = &bp->link_info; 1246 1247 if (BNXT_VF(bp)) 1248 return; 1249 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL); 1250 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX); 1251 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX); 1252 } 1253 1254 static int bnxt_set_pauseparam(struct net_device *dev, 1255 struct ethtool_pauseparam *epause) 1256 { 1257 int rc = 0; 1258 struct bnxt *bp = netdev_priv(dev); 1259 struct bnxt_link_info *link_info = &bp->link_info; 1260 1261 if (!BNXT_SINGLE_PF(bp)) 1262 return -EOPNOTSUPP; 1263 1264 if (epause->autoneg) { 1265 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 1266 return -EINVAL; 1267 1268 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; 1269 if (bp->hwrm_spec_code >= 0x10201) 1270 link_info->req_flow_ctrl = 1271 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE; 1272 } else { 1273 /* when transition from auto pause to force pause, 1274 * force a link change 1275 */ 1276 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) 1277 link_info->force_link_chng = true; 1278 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL; 1279 link_info->req_flow_ctrl = 0; 1280 } 1281 if (epause->rx_pause) 1282 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX; 1283 1284 if (epause->tx_pause) 1285 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX; 1286 1287 if (netif_running(dev)) 1288 rc = bnxt_hwrm_set_pause(bp); 1289 return rc; 1290 } 1291 1292 static u32 bnxt_get_link(struct net_device *dev) 1293 { 1294 struct bnxt *bp = netdev_priv(dev); 1295 1296 /* TODO: handle MF, VF, driver close case */ 1297 return bp->link_info.link_up; 1298 } 1299 1300 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1301 u16 ext, u16 *index, u32 *item_length, 1302 u32 *data_length); 1303 1304 static int bnxt_flash_nvram(struct net_device *dev, 1305 u16 dir_type, 1306 u16 dir_ordinal, 1307 u16 dir_ext, 1308 u16 dir_attr, 1309 const u8 *data, 1310 size_t data_len) 1311 { 1312 struct bnxt *bp = netdev_priv(dev); 1313 int rc; 1314 struct hwrm_nvm_write_input req = {0}; 1315 dma_addr_t dma_handle; 1316 u8 *kmem; 1317 1318 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1); 1319 1320 req.dir_type = cpu_to_le16(dir_type); 1321 req.dir_ordinal = cpu_to_le16(dir_ordinal); 1322 req.dir_ext = cpu_to_le16(dir_ext); 1323 req.dir_attr = cpu_to_le16(dir_attr); 1324 req.dir_data_length = cpu_to_le32(data_len); 1325 1326 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle, 1327 GFP_KERNEL); 1328 if (!kmem) { 1329 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1330 (unsigned)data_len); 1331 return -ENOMEM; 1332 } 1333 memcpy(kmem, data, data_len); 1334 req.host_src_addr = cpu_to_le64(dma_handle); 1335 1336 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT); 1337 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle); 1338 1339 return rc; 1340 } 1341 1342 static int bnxt_firmware_reset(struct net_device *dev, 1343 u16 dir_type) 1344 { 1345 struct bnxt *bp = netdev_priv(dev); 1346 struct hwrm_fw_reset_input req = {0}; 1347 1348 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); 1349 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 case BNXT_FW_RESET_CHIP: 1376 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP; 1377 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP; 1378 break; 1379 default: 1380 return -EINVAL; 1381 } 1382 1383 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1384 } 1385 1386 static int bnxt_flash_firmware(struct net_device *dev, 1387 u16 dir_type, 1388 const u8 *fw_data, 1389 size_t fw_size) 1390 { 1391 int rc = 0; 1392 u16 code_type; 1393 u32 stored_crc; 1394 u32 calculated_crc; 1395 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data; 1396 1397 switch (dir_type) { 1398 case BNX_DIR_TYPE_BOOTCODE: 1399 case BNX_DIR_TYPE_BOOTCODE_2: 1400 code_type = CODE_BOOT; 1401 break; 1402 case BNX_DIR_TYPE_CHIMP_PATCH: 1403 code_type = CODE_CHIMP_PATCH; 1404 break; 1405 case BNX_DIR_TYPE_APE_FW: 1406 code_type = CODE_MCTP_PASSTHRU; 1407 break; 1408 case BNX_DIR_TYPE_APE_PATCH: 1409 code_type = CODE_APE_PATCH; 1410 break; 1411 case BNX_DIR_TYPE_KONG_FW: 1412 code_type = CODE_KONG_FW; 1413 break; 1414 case BNX_DIR_TYPE_KONG_PATCH: 1415 code_type = CODE_KONG_PATCH; 1416 break; 1417 case BNX_DIR_TYPE_BONO_FW: 1418 code_type = CODE_BONO_FW; 1419 break; 1420 case BNX_DIR_TYPE_BONO_PATCH: 1421 code_type = CODE_BONO_PATCH; 1422 break; 1423 default: 1424 netdev_err(dev, "Unsupported directory entry type: %u\n", 1425 dir_type); 1426 return -EINVAL; 1427 } 1428 if (fw_size < sizeof(struct bnxt_fw_header)) { 1429 netdev_err(dev, "Invalid firmware file size: %u\n", 1430 (unsigned int)fw_size); 1431 return -EINVAL; 1432 } 1433 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) { 1434 netdev_err(dev, "Invalid firmware signature: %08X\n", 1435 le32_to_cpu(header->signature)); 1436 return -EINVAL; 1437 } 1438 if (header->code_type != code_type) { 1439 netdev_err(dev, "Expected firmware type: %d, read: %d\n", 1440 code_type, header->code_type); 1441 return -EINVAL; 1442 } 1443 if (header->device != DEVICE_CUMULUS_FAMILY) { 1444 netdev_err(dev, "Expected firmware device family %d, read: %d\n", 1445 DEVICE_CUMULUS_FAMILY, header->device); 1446 return -EINVAL; 1447 } 1448 /* Confirm the CRC32 checksum of the file: */ 1449 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1450 sizeof(stored_crc))); 1451 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1452 if (calculated_crc != stored_crc) { 1453 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n", 1454 (unsigned long)stored_crc, 1455 (unsigned long)calculated_crc); 1456 return -EINVAL; 1457 } 1458 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1459 0, 0, fw_data, fw_size); 1460 if (rc == 0) /* Firmware update successful */ 1461 rc = bnxt_firmware_reset(dev, dir_type); 1462 1463 return rc; 1464 } 1465 1466 static int bnxt_flash_microcode(struct net_device *dev, 1467 u16 dir_type, 1468 const u8 *fw_data, 1469 size_t fw_size) 1470 { 1471 struct bnxt_ucode_trailer *trailer; 1472 u32 calculated_crc; 1473 u32 stored_crc; 1474 int rc = 0; 1475 1476 if (fw_size < sizeof(struct bnxt_ucode_trailer)) { 1477 netdev_err(dev, "Invalid microcode file size: %u\n", 1478 (unsigned int)fw_size); 1479 return -EINVAL; 1480 } 1481 trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size - 1482 sizeof(*trailer))); 1483 if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) { 1484 netdev_err(dev, "Invalid microcode trailer signature: %08X\n", 1485 le32_to_cpu(trailer->sig)); 1486 return -EINVAL; 1487 } 1488 if (le16_to_cpu(trailer->dir_type) != dir_type) { 1489 netdev_err(dev, "Expected microcode type: %d, read: %d\n", 1490 dir_type, le16_to_cpu(trailer->dir_type)); 1491 return -EINVAL; 1492 } 1493 if (le16_to_cpu(trailer->trailer_length) < 1494 sizeof(struct bnxt_ucode_trailer)) { 1495 netdev_err(dev, "Invalid microcode trailer length: %d\n", 1496 le16_to_cpu(trailer->trailer_length)); 1497 return -EINVAL; 1498 } 1499 1500 /* Confirm the CRC32 checksum of the file: */ 1501 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size - 1502 sizeof(stored_crc))); 1503 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc)); 1504 if (calculated_crc != stored_crc) { 1505 netdev_err(dev, 1506 "CRC32 (%08lX) does not match calculated: %08lX\n", 1507 (unsigned long)stored_crc, 1508 (unsigned long)calculated_crc); 1509 return -EINVAL; 1510 } 1511 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1512 0, 0, fw_data, fw_size); 1513 1514 return rc; 1515 } 1516 1517 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type) 1518 { 1519 switch (dir_type) { 1520 case BNX_DIR_TYPE_CHIMP_PATCH: 1521 case BNX_DIR_TYPE_BOOTCODE: 1522 case BNX_DIR_TYPE_BOOTCODE_2: 1523 case BNX_DIR_TYPE_APE_FW: 1524 case BNX_DIR_TYPE_APE_PATCH: 1525 case BNX_DIR_TYPE_KONG_FW: 1526 case BNX_DIR_TYPE_KONG_PATCH: 1527 case BNX_DIR_TYPE_BONO_FW: 1528 case BNX_DIR_TYPE_BONO_PATCH: 1529 return true; 1530 } 1531 1532 return false; 1533 } 1534 1535 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type) 1536 { 1537 switch (dir_type) { 1538 case BNX_DIR_TYPE_AVS: 1539 case BNX_DIR_TYPE_EXP_ROM_MBA: 1540 case BNX_DIR_TYPE_PCIE: 1541 case BNX_DIR_TYPE_TSCF_UCODE: 1542 case BNX_DIR_TYPE_EXT_PHY: 1543 case BNX_DIR_TYPE_CCM: 1544 case BNX_DIR_TYPE_ISCSI_BOOT: 1545 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6: 1546 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6: 1547 return true; 1548 } 1549 1550 return false; 1551 } 1552 1553 static bool bnxt_dir_type_is_executable(u16 dir_type) 1554 { 1555 return bnxt_dir_type_is_ape_bin_format(dir_type) || 1556 bnxt_dir_type_is_other_exec_format(dir_type); 1557 } 1558 1559 static int bnxt_flash_firmware_from_file(struct net_device *dev, 1560 u16 dir_type, 1561 const char *filename) 1562 { 1563 const struct firmware *fw; 1564 int rc; 1565 1566 rc = request_firmware(&fw, filename, &dev->dev); 1567 if (rc != 0) { 1568 netdev_err(dev, "Error %d requesting firmware file: %s\n", 1569 rc, filename); 1570 return rc; 1571 } 1572 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true) 1573 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size); 1574 else if (bnxt_dir_type_is_other_exec_format(dir_type) == true) 1575 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size); 1576 else 1577 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 1578 0, 0, fw->data, fw->size); 1579 release_firmware(fw); 1580 return rc; 1581 } 1582 1583 static int bnxt_flash_package_from_file(struct net_device *dev, 1584 char *filename, u32 install_type) 1585 { 1586 struct bnxt *bp = netdev_priv(dev); 1587 struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr; 1588 struct hwrm_nvm_install_update_input install = {0}; 1589 const struct firmware *fw; 1590 u32 item_len; 1591 u16 index; 1592 int rc; 1593 1594 bnxt_hwrm_fw_set_time(bp); 1595 1596 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE, 1597 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1598 &index, &item_len, NULL) != 0) { 1599 netdev_err(dev, "PKG update area not created in nvram\n"); 1600 return -ENOBUFS; 1601 } 1602 1603 rc = request_firmware(&fw, filename, &dev->dev); 1604 if (rc != 0) { 1605 netdev_err(dev, "PKG error %d requesting file: %s\n", 1606 rc, filename); 1607 return rc; 1608 } 1609 1610 if (fw->size > item_len) { 1611 netdev_err(dev, "PKG insufficient update area in nvram: %lu", 1612 (unsigned long)fw->size); 1613 rc = -EFBIG; 1614 } else { 1615 dma_addr_t dma_handle; 1616 u8 *kmem; 1617 struct hwrm_nvm_modify_input modify = {0}; 1618 1619 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1); 1620 1621 modify.dir_idx = cpu_to_le16(index); 1622 modify.len = cpu_to_le32(fw->size); 1623 1624 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size, 1625 &dma_handle, GFP_KERNEL); 1626 if (!kmem) { 1627 netdev_err(dev, 1628 "dma_alloc_coherent failure, length = %u\n", 1629 (unsigned int)fw->size); 1630 rc = -ENOMEM; 1631 } else { 1632 memcpy(kmem, fw->data, fw->size); 1633 modify.host_src_addr = cpu_to_le64(dma_handle); 1634 1635 rc = hwrm_send_message(bp, &modify, sizeof(modify), 1636 FLASH_PACKAGE_TIMEOUT); 1637 dma_free_coherent(&bp->pdev->dev, fw->size, kmem, 1638 dma_handle); 1639 } 1640 } 1641 release_firmware(fw); 1642 if (rc) 1643 return rc; 1644 1645 if ((install_type & 0xffff) == 0) 1646 install_type >>= 16; 1647 bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1); 1648 install.install_type = cpu_to_le32(install_type); 1649 1650 mutex_lock(&bp->hwrm_cmd_lock); 1651 rc = _hwrm_send_message(bp, &install, sizeof(install), 1652 INSTALL_PACKAGE_TIMEOUT); 1653 if (rc) { 1654 rc = -EOPNOTSUPP; 1655 goto flash_pkg_exit; 1656 } 1657 1658 if (resp->error_code) { 1659 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err; 1660 1661 if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) { 1662 install.flags |= cpu_to_le16( 1663 NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG); 1664 rc = _hwrm_send_message(bp, &install, sizeof(install), 1665 INSTALL_PACKAGE_TIMEOUT); 1666 if (rc) { 1667 rc = -EOPNOTSUPP; 1668 goto flash_pkg_exit; 1669 } 1670 } 1671 } 1672 1673 if (resp->result) { 1674 netdev_err(dev, "PKG install error = %d, problem_item = %d\n", 1675 (s8)resp->result, (int)resp->problem_item); 1676 rc = -ENOPKG; 1677 } 1678 flash_pkg_exit: 1679 mutex_unlock(&bp->hwrm_cmd_lock); 1680 return rc; 1681 } 1682 1683 static int bnxt_flash_device(struct net_device *dev, 1684 struct ethtool_flash *flash) 1685 { 1686 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) { 1687 netdev_err(dev, "flashdev not supported from a virtual function\n"); 1688 return -EINVAL; 1689 } 1690 1691 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS || 1692 flash->region > 0xffff) 1693 return bnxt_flash_package_from_file(dev, flash->data, 1694 flash->region); 1695 1696 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data); 1697 } 1698 1699 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length) 1700 { 1701 struct bnxt *bp = netdev_priv(dev); 1702 int rc; 1703 struct hwrm_nvm_get_dir_info_input req = {0}; 1704 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr; 1705 1706 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1); 1707 1708 mutex_lock(&bp->hwrm_cmd_lock); 1709 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1710 if (!rc) { 1711 *entries = le32_to_cpu(output->entries); 1712 *length = le32_to_cpu(output->entry_length); 1713 } 1714 mutex_unlock(&bp->hwrm_cmd_lock); 1715 return rc; 1716 } 1717 1718 static int bnxt_get_eeprom_len(struct net_device *dev) 1719 { 1720 /* The -1 return value allows the entire 32-bit range of offsets to be 1721 * passed via the ethtool command-line utility. 1722 */ 1723 return -1; 1724 } 1725 1726 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) 1727 { 1728 struct bnxt *bp = netdev_priv(dev); 1729 int rc; 1730 u32 dir_entries; 1731 u32 entry_length; 1732 u8 *buf; 1733 size_t buflen; 1734 dma_addr_t dma_handle; 1735 struct hwrm_nvm_get_dir_entries_input req = {0}; 1736 1737 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length); 1738 if (rc != 0) 1739 return rc; 1740 1741 /* Insert 2 bytes of directory info (count and size of entries) */ 1742 if (len < 2) 1743 return -EINVAL; 1744 1745 *data++ = dir_entries; 1746 *data++ = entry_length; 1747 len -= 2; 1748 memset(data, 0xff, len); 1749 1750 buflen = dir_entries * entry_length; 1751 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle, 1752 GFP_KERNEL); 1753 if (!buf) { 1754 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1755 (unsigned)buflen); 1756 return -ENOMEM; 1757 } 1758 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1); 1759 req.host_dest_addr = cpu_to_le64(dma_handle); 1760 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1761 if (rc == 0) 1762 memcpy(data, buf, len > buflen ? buflen : len); 1763 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle); 1764 return rc; 1765 } 1766 1767 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset, 1768 u32 length, u8 *data) 1769 { 1770 struct bnxt *bp = netdev_priv(dev); 1771 int rc; 1772 u8 *buf; 1773 dma_addr_t dma_handle; 1774 struct hwrm_nvm_read_input req = {0}; 1775 1776 if (!length) 1777 return -EINVAL; 1778 1779 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle, 1780 GFP_KERNEL); 1781 if (!buf) { 1782 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n", 1783 (unsigned)length); 1784 return -ENOMEM; 1785 } 1786 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1); 1787 req.host_dest_addr = cpu_to_le64(dma_handle); 1788 req.dir_idx = cpu_to_le16(index); 1789 req.offset = cpu_to_le32(offset); 1790 req.len = cpu_to_le32(length); 1791 1792 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1793 if (rc == 0) 1794 memcpy(data, buf, length); 1795 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle); 1796 return rc; 1797 } 1798 1799 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal, 1800 u16 ext, u16 *index, u32 *item_length, 1801 u32 *data_length) 1802 { 1803 struct bnxt *bp = netdev_priv(dev); 1804 int rc; 1805 struct hwrm_nvm_find_dir_entry_input req = {0}; 1806 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr; 1807 1808 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1); 1809 req.enables = 0; 1810 req.dir_idx = 0; 1811 req.dir_type = cpu_to_le16(type); 1812 req.dir_ordinal = cpu_to_le16(ordinal); 1813 req.dir_ext = cpu_to_le16(ext); 1814 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ; 1815 mutex_lock(&bp->hwrm_cmd_lock); 1816 rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1817 if (rc == 0) { 1818 if (index) 1819 *index = le16_to_cpu(output->dir_idx); 1820 if (item_length) 1821 *item_length = le32_to_cpu(output->dir_item_length); 1822 if (data_length) 1823 *data_length = le32_to_cpu(output->dir_data_length); 1824 } 1825 mutex_unlock(&bp->hwrm_cmd_lock); 1826 return rc; 1827 } 1828 1829 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen) 1830 { 1831 char *retval = NULL; 1832 char *p; 1833 char *value; 1834 int field = 0; 1835 1836 if (datalen < 1) 1837 return NULL; 1838 /* null-terminate the log data (removing last '\n'): */ 1839 data[datalen - 1] = 0; 1840 for (p = data; *p != 0; p++) { 1841 field = 0; 1842 retval = NULL; 1843 while (*p != 0 && *p != '\n') { 1844 value = p; 1845 while (*p != 0 && *p != '\t' && *p != '\n') 1846 p++; 1847 if (field == desired_field) 1848 retval = value; 1849 if (*p != '\t') 1850 break; 1851 *p = 0; 1852 field++; 1853 p++; 1854 } 1855 if (*p == 0) 1856 break; 1857 *p = 0; 1858 } 1859 return retval; 1860 } 1861 1862 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen) 1863 { 1864 u16 index = 0; 1865 u32 datalen; 1866 1867 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG, 1868 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, 1869 &index, NULL, &datalen) != 0) 1870 return NULL; 1871 1872 memset(buf, 0, buflen); 1873 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0) 1874 return NULL; 1875 1876 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf, 1877 datalen); 1878 } 1879 1880 static int bnxt_get_eeprom(struct net_device *dev, 1881 struct ethtool_eeprom *eeprom, 1882 u8 *data) 1883 { 1884 u32 index; 1885 u32 offset; 1886 1887 if (eeprom->offset == 0) /* special offset value to get directory */ 1888 return bnxt_get_nvram_directory(dev, eeprom->len, data); 1889 1890 index = eeprom->offset >> 24; 1891 offset = eeprom->offset & 0xffffff; 1892 1893 if (index == 0) { 1894 netdev_err(dev, "unsupported index value: %d\n", index); 1895 return -EINVAL; 1896 } 1897 1898 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data); 1899 } 1900 1901 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index) 1902 { 1903 struct bnxt *bp = netdev_priv(dev); 1904 struct hwrm_nvm_erase_dir_entry_input req = {0}; 1905 1906 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1); 1907 req.dir_idx = cpu_to_le16(index); 1908 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 1909 } 1910 1911 static int bnxt_set_eeprom(struct net_device *dev, 1912 struct ethtool_eeprom *eeprom, 1913 u8 *data) 1914 { 1915 struct bnxt *bp = netdev_priv(dev); 1916 u8 index, dir_op; 1917 u16 type, ext, ordinal, attr; 1918 1919 if (!BNXT_PF(bp)) { 1920 netdev_err(dev, "NVM write not supported from a virtual function\n"); 1921 return -EINVAL; 1922 } 1923 1924 type = eeprom->magic >> 16; 1925 1926 if (type == 0xffff) { /* special value for directory operations */ 1927 index = eeprom->magic & 0xff; 1928 dir_op = eeprom->magic >> 8; 1929 if (index == 0) 1930 return -EINVAL; 1931 switch (dir_op) { 1932 case 0x0e: /* erase */ 1933 if (eeprom->offset != ~eeprom->magic) 1934 return -EINVAL; 1935 return bnxt_erase_nvram_directory(dev, index - 1); 1936 default: 1937 return -EINVAL; 1938 } 1939 } 1940 1941 /* Create or re-write an NVM item: */ 1942 if (bnxt_dir_type_is_executable(type) == true) 1943 return -EOPNOTSUPP; 1944 ext = eeprom->magic & 0xffff; 1945 ordinal = eeprom->offset >> 16; 1946 attr = eeprom->offset & 0xffff; 1947 1948 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data, 1949 eeprom->len); 1950 } 1951 1952 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) 1953 { 1954 struct bnxt *bp = netdev_priv(dev); 1955 struct ethtool_eee *eee = &bp->eee; 1956 struct bnxt_link_info *link_info = &bp->link_info; 1957 u32 advertising = 1958 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); 1959 int rc = 0; 1960 1961 if (!BNXT_SINGLE_PF(bp)) 1962 return -EOPNOTSUPP; 1963 1964 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 1965 return -EOPNOTSUPP; 1966 1967 if (!edata->eee_enabled) 1968 goto eee_ok; 1969 1970 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { 1971 netdev_warn(dev, "EEE requires autoneg\n"); 1972 return -EINVAL; 1973 } 1974 if (edata->tx_lpi_enabled) { 1975 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi || 1976 edata->tx_lpi_timer < bp->lpi_tmr_lo)) { 1977 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n", 1978 bp->lpi_tmr_lo, bp->lpi_tmr_hi); 1979 return -EINVAL; 1980 } else if (!bp->lpi_tmr_hi) { 1981 edata->tx_lpi_timer = eee->tx_lpi_timer; 1982 } 1983 } 1984 if (!edata->advertised) { 1985 edata->advertised = advertising & eee->supported; 1986 } else if (edata->advertised & ~advertising) { 1987 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n", 1988 edata->advertised, advertising); 1989 return -EINVAL; 1990 } 1991 1992 eee->advertised = edata->advertised; 1993 eee->tx_lpi_enabled = edata->tx_lpi_enabled; 1994 eee->tx_lpi_timer = edata->tx_lpi_timer; 1995 eee_ok: 1996 eee->eee_enabled = edata->eee_enabled; 1997 1998 if (netif_running(dev)) 1999 rc = bnxt_hwrm_set_link_setting(bp, false, true); 2000 2001 return rc; 2002 } 2003 2004 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata) 2005 { 2006 struct bnxt *bp = netdev_priv(dev); 2007 2008 if (!(bp->flags & BNXT_FLAG_EEE_CAP)) 2009 return -EOPNOTSUPP; 2010 2011 *edata = bp->eee; 2012 if (!bp->eee.eee_enabled) { 2013 /* Preserve tx_lpi_timer so that the last value will be used 2014 * by default when it is re-enabled. 2015 */ 2016 edata->advertised = 0; 2017 edata->tx_lpi_enabled = 0; 2018 } 2019 2020 if (!bp->eee.eee_active) 2021 edata->lp_advertised = 0; 2022 2023 return 0; 2024 } 2025 2026 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr, 2027 u16 page_number, u16 start_addr, 2028 u16 data_length, u8 *buf) 2029 { 2030 struct hwrm_port_phy_i2c_read_input req = {0}; 2031 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 2032 int rc, byte_offset = 0; 2033 2034 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 2035 req.i2c_slave_addr = i2c_addr; 2036 req.page_number = cpu_to_le16(page_number); 2037 req.port_id = cpu_to_le16(bp->pf.port_id); 2038 do { 2039 u16 xfer_size; 2040 2041 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE); 2042 data_length -= xfer_size; 2043 req.page_offset = cpu_to_le16(start_addr + byte_offset); 2044 req.data_length = xfer_size; 2045 req.enables = cpu_to_le32(start_addr + byte_offset ? 2046 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0); 2047 mutex_lock(&bp->hwrm_cmd_lock); 2048 rc = _hwrm_send_message(bp, &req, sizeof(req), 2049 HWRM_CMD_TIMEOUT); 2050 if (!rc) 2051 memcpy(buf + byte_offset, output->data, xfer_size); 2052 mutex_unlock(&bp->hwrm_cmd_lock); 2053 byte_offset += xfer_size; 2054 } while (!rc && data_length > 0); 2055 2056 return rc; 2057 } 2058 2059 static int bnxt_get_module_info(struct net_device *dev, 2060 struct ethtool_modinfo *modinfo) 2061 { 2062 struct bnxt *bp = netdev_priv(dev); 2063 struct hwrm_port_phy_i2c_read_input req = {0}; 2064 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr; 2065 int rc; 2066 2067 /* No point in going further if phy status indicates 2068 * module is not inserted or if it is powered down or 2069 * if it is of type 10GBase-T 2070 */ 2071 if (bp->link_info.module_status > 2072 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG) 2073 return -EOPNOTSUPP; 2074 2075 /* This feature is not supported in older firmware versions */ 2076 if (bp->hwrm_spec_code < 0x10202) 2077 return -EOPNOTSUPP; 2078 2079 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1); 2080 req.i2c_slave_addr = I2C_DEV_ADDR_A0; 2081 req.page_number = 0; 2082 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR); 2083 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE; 2084 req.port_id = cpu_to_le16(bp->pf.port_id); 2085 mutex_lock(&bp->hwrm_cmd_lock); 2086 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2087 if (!rc) { 2088 u32 module_id = le32_to_cpu(output->data[0]); 2089 2090 switch (module_id) { 2091 case SFF_MODULE_ID_SFP: 2092 modinfo->type = ETH_MODULE_SFF_8472; 2093 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 2094 break; 2095 case SFF_MODULE_ID_QSFP: 2096 case SFF_MODULE_ID_QSFP_PLUS: 2097 modinfo->type = ETH_MODULE_SFF_8436; 2098 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 2099 break; 2100 case SFF_MODULE_ID_QSFP28: 2101 modinfo->type = ETH_MODULE_SFF_8636; 2102 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 2103 break; 2104 default: 2105 rc = -EOPNOTSUPP; 2106 break; 2107 } 2108 } 2109 mutex_unlock(&bp->hwrm_cmd_lock); 2110 return rc; 2111 } 2112 2113 static int bnxt_get_module_eeprom(struct net_device *dev, 2114 struct ethtool_eeprom *eeprom, 2115 u8 *data) 2116 { 2117 struct bnxt *bp = netdev_priv(dev); 2118 u16 start = eeprom->offset, length = eeprom->len; 2119 int rc = 0; 2120 2121 memset(data, 0, eeprom->len); 2122 2123 /* Read A0 portion of the EEPROM */ 2124 if (start < ETH_MODULE_SFF_8436_LEN) { 2125 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN) 2126 length = ETH_MODULE_SFF_8436_LEN - start; 2127 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 2128 start, length, data); 2129 if (rc) 2130 return rc; 2131 start += length; 2132 data += length; 2133 length = eeprom->len - length; 2134 } 2135 2136 /* Read A2 portion of the EEPROM */ 2137 if (length) { 2138 start -= ETH_MODULE_SFF_8436_LEN; 2139 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, 2140 start, length, data); 2141 } 2142 return rc; 2143 } 2144 2145 static int bnxt_nway_reset(struct net_device *dev) 2146 { 2147 int rc = 0; 2148 2149 struct bnxt *bp = netdev_priv(dev); 2150 struct bnxt_link_info *link_info = &bp->link_info; 2151 2152 if (!BNXT_SINGLE_PF(bp)) 2153 return -EOPNOTSUPP; 2154 2155 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) 2156 return -EINVAL; 2157 2158 if (netif_running(dev)) 2159 rc = bnxt_hwrm_set_link_setting(bp, true, false); 2160 2161 return rc; 2162 } 2163 2164 static int bnxt_set_phys_id(struct net_device *dev, 2165 enum ethtool_phys_id_state state) 2166 { 2167 struct hwrm_port_led_cfg_input req = {0}; 2168 struct bnxt *bp = netdev_priv(dev); 2169 struct bnxt_pf_info *pf = &bp->pf; 2170 struct bnxt_led_cfg *led_cfg; 2171 u8 led_state; 2172 __le16 duration; 2173 int i, rc; 2174 2175 if (!bp->num_leds || BNXT_VF(bp)) 2176 return -EOPNOTSUPP; 2177 2178 if (state == ETHTOOL_ID_ACTIVE) { 2179 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT; 2180 duration = cpu_to_le16(500); 2181 } else if (state == ETHTOOL_ID_INACTIVE) { 2182 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT; 2183 duration = cpu_to_le16(0); 2184 } else { 2185 return -EINVAL; 2186 } 2187 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1); 2188 req.port_id = cpu_to_le16(pf->port_id); 2189 req.num_leds = bp->num_leds; 2190 led_cfg = (struct bnxt_led_cfg *)&req.led0_id; 2191 for (i = 0; i < bp->num_leds; i++, led_cfg++) { 2192 req.enables |= BNXT_LED_DFLT_ENABLES(i); 2193 led_cfg->led_id = bp->leds[i].led_id; 2194 led_cfg->led_state = led_state; 2195 led_cfg->led_blink_on = duration; 2196 led_cfg->led_blink_off = duration; 2197 led_cfg->led_group_id = bp->leds[i].led_group_id; 2198 } 2199 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2200 if (rc) 2201 rc = -EIO; 2202 return rc; 2203 } 2204 2205 static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring) 2206 { 2207 struct hwrm_selftest_irq_input req = {0}; 2208 2209 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1); 2210 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2211 } 2212 2213 static int bnxt_test_irq(struct bnxt *bp) 2214 { 2215 int i; 2216 2217 for (i = 0; i < bp->cp_nr_rings; i++) { 2218 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id; 2219 int rc; 2220 2221 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring); 2222 if (rc) 2223 return rc; 2224 } 2225 return 0; 2226 } 2227 2228 static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable) 2229 { 2230 struct hwrm_port_mac_cfg_input req = {0}; 2231 2232 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1); 2233 2234 req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK); 2235 if (enable) 2236 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL; 2237 else 2238 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE; 2239 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2240 } 2241 2242 static int bnxt_disable_an_for_lpbk(struct bnxt *bp, 2243 struct hwrm_port_phy_cfg_input *req) 2244 { 2245 struct bnxt_link_info *link_info = &bp->link_info; 2246 u16 fw_advertising = link_info->advertising; 2247 u16 fw_speed; 2248 int rc; 2249 2250 if (!link_info->autoneg) 2251 return 0; 2252 2253 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB; 2254 if (netif_carrier_ok(bp->dev)) 2255 fw_speed = bp->link_info.link_speed; 2256 else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB) 2257 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB; 2258 else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB) 2259 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB; 2260 else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB) 2261 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB; 2262 else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB) 2263 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB; 2264 2265 req->force_link_speed = cpu_to_le16(fw_speed); 2266 req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE | 2267 PORT_PHY_CFG_REQ_FLAGS_RESET_PHY); 2268 rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT); 2269 req->flags = 0; 2270 req->force_link_speed = cpu_to_le16(0); 2271 return rc; 2272 } 2273 2274 static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable) 2275 { 2276 struct hwrm_port_phy_cfg_input req = {0}; 2277 2278 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1); 2279 2280 if (enable) { 2281 bnxt_disable_an_for_lpbk(bp, &req); 2282 req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL; 2283 } else { 2284 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE; 2285 } 2286 req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK); 2287 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2288 } 2289 2290 static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_napi *bnapi, 2291 u32 raw_cons, int pkt_size) 2292 { 2293 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; 2294 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring; 2295 struct bnxt_sw_rx_bd *rx_buf; 2296 struct rx_cmp *rxcmp; 2297 u16 cp_cons, cons; 2298 u8 *data; 2299 u32 len; 2300 int i; 2301 2302 cp_cons = RING_CMP(raw_cons); 2303 rxcmp = (struct rx_cmp *) 2304 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; 2305 cons = rxcmp->rx_cmp_opaque; 2306 rx_buf = &rxr->rx_buf_ring[cons]; 2307 data = rx_buf->data_ptr; 2308 len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT; 2309 if (len != pkt_size) 2310 return -EIO; 2311 i = ETH_ALEN; 2312 if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr)) 2313 return -EIO; 2314 i += ETH_ALEN; 2315 for ( ; i < pkt_size; i++) { 2316 if (data[i] != (u8)(i & 0xff)) 2317 return -EIO; 2318 } 2319 return 0; 2320 } 2321 2322 static int bnxt_poll_loopback(struct bnxt *bp, int pkt_size) 2323 { 2324 struct bnxt_napi *bnapi = bp->bnapi[0]; 2325 struct bnxt_cp_ring_info *cpr; 2326 struct tx_cmp *txcmp; 2327 int rc = -EIO; 2328 u32 raw_cons; 2329 u32 cons; 2330 int i; 2331 2332 cpr = &bnapi->cp_ring; 2333 raw_cons = cpr->cp_raw_cons; 2334 for (i = 0; i < 200; i++) { 2335 cons = RING_CMP(raw_cons); 2336 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)]; 2337 2338 if (!TX_CMP_VALID(txcmp, raw_cons)) { 2339 udelay(5); 2340 continue; 2341 } 2342 2343 /* The valid test of the entry must be done first before 2344 * reading any further. 2345 */ 2346 dma_rmb(); 2347 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) { 2348 rc = bnxt_rx_loopback(bp, bnapi, raw_cons, pkt_size); 2349 raw_cons = NEXT_RAW_CMP(raw_cons); 2350 raw_cons = NEXT_RAW_CMP(raw_cons); 2351 break; 2352 } 2353 raw_cons = NEXT_RAW_CMP(raw_cons); 2354 } 2355 cpr->cp_raw_cons = raw_cons; 2356 return rc; 2357 } 2358 2359 static int bnxt_run_loopback(struct bnxt *bp) 2360 { 2361 struct bnxt_tx_ring_info *txr = &bp->tx_ring[0]; 2362 int pkt_size, i = 0; 2363 struct sk_buff *skb; 2364 dma_addr_t map; 2365 u8 *data; 2366 int rc; 2367 2368 pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh); 2369 skb = netdev_alloc_skb(bp->dev, pkt_size); 2370 if (!skb) 2371 return -ENOMEM; 2372 data = skb_put(skb, pkt_size); 2373 eth_broadcast_addr(data); 2374 i += ETH_ALEN; 2375 ether_addr_copy(&data[i], bp->dev->dev_addr); 2376 i += ETH_ALEN; 2377 for ( ; i < pkt_size; i++) 2378 data[i] = (u8)(i & 0xff); 2379 2380 map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size, 2381 PCI_DMA_TODEVICE); 2382 if (dma_mapping_error(&bp->pdev->dev, map)) { 2383 dev_kfree_skb(skb); 2384 return -EIO; 2385 } 2386 bnxt_xmit_xdp(bp, txr, map, pkt_size, 0); 2387 2388 /* Sync BD data before updating doorbell */ 2389 wmb(); 2390 2391 bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | txr->tx_prod); 2392 rc = bnxt_poll_loopback(bp, pkt_size); 2393 2394 dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE); 2395 dev_kfree_skb(skb); 2396 return rc; 2397 } 2398 2399 static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results) 2400 { 2401 struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr; 2402 struct hwrm_selftest_exec_input req = {0}; 2403 int rc; 2404 2405 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1); 2406 mutex_lock(&bp->hwrm_cmd_lock); 2407 resp->test_success = 0; 2408 req.flags = test_mask; 2409 rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout); 2410 *test_results = resp->test_success; 2411 mutex_unlock(&bp->hwrm_cmd_lock); 2412 return rc; 2413 } 2414 2415 #define BNXT_DRV_TESTS 3 2416 #define BNXT_MACLPBK_TEST_IDX (bp->num_tests - BNXT_DRV_TESTS) 2417 #define BNXT_PHYLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 1) 2418 #define BNXT_IRQ_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 2) 2419 2420 static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest, 2421 u64 *buf) 2422 { 2423 struct bnxt *bp = netdev_priv(dev); 2424 bool offline = false; 2425 u8 test_results = 0; 2426 u8 test_mask = 0; 2427 int rc, i; 2428 2429 if (!bp->num_tests || !BNXT_SINGLE_PF(bp)) 2430 return; 2431 memset(buf, 0, sizeof(u64) * bp->num_tests); 2432 if (!netif_running(dev)) { 2433 etest->flags |= ETH_TEST_FL_FAILED; 2434 return; 2435 } 2436 2437 if (etest->flags & ETH_TEST_FL_OFFLINE) { 2438 if (bp->pf.active_vfs) { 2439 etest->flags |= ETH_TEST_FL_FAILED; 2440 netdev_warn(dev, "Offline tests cannot be run with active VFs\n"); 2441 return; 2442 } 2443 offline = true; 2444 } 2445 2446 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) { 2447 u8 bit_val = 1 << i; 2448 2449 if (!(bp->test_info->offline_mask & bit_val)) 2450 test_mask |= bit_val; 2451 else if (offline) 2452 test_mask |= bit_val; 2453 } 2454 if (!offline) { 2455 bnxt_run_fw_tests(bp, test_mask, &test_results); 2456 } else { 2457 rc = bnxt_close_nic(bp, false, false); 2458 if (rc) 2459 return; 2460 bnxt_run_fw_tests(bp, test_mask, &test_results); 2461 2462 buf[BNXT_MACLPBK_TEST_IDX] = 1; 2463 bnxt_hwrm_mac_loopback(bp, true); 2464 msleep(250); 2465 rc = bnxt_half_open_nic(bp); 2466 if (rc) { 2467 bnxt_hwrm_mac_loopback(bp, false); 2468 etest->flags |= ETH_TEST_FL_FAILED; 2469 return; 2470 } 2471 if (bnxt_run_loopback(bp)) 2472 etest->flags |= ETH_TEST_FL_FAILED; 2473 else 2474 buf[BNXT_MACLPBK_TEST_IDX] = 0; 2475 2476 bnxt_hwrm_mac_loopback(bp, false); 2477 bnxt_hwrm_phy_loopback(bp, true); 2478 msleep(1000); 2479 if (bnxt_run_loopback(bp)) { 2480 buf[BNXT_PHYLPBK_TEST_IDX] = 1; 2481 etest->flags |= ETH_TEST_FL_FAILED; 2482 } 2483 bnxt_hwrm_phy_loopback(bp, false); 2484 bnxt_half_close_nic(bp); 2485 bnxt_open_nic(bp, false, true); 2486 } 2487 if (bnxt_test_irq(bp)) { 2488 buf[BNXT_IRQ_TEST_IDX] = 1; 2489 etest->flags |= ETH_TEST_FL_FAILED; 2490 } 2491 for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) { 2492 u8 bit_val = 1 << i; 2493 2494 if ((test_mask & bit_val) && !(test_results & bit_val)) { 2495 buf[i] = 1; 2496 etest->flags |= ETH_TEST_FL_FAILED; 2497 } 2498 } 2499 } 2500 2501 static int bnxt_reset(struct net_device *dev, u32 *flags) 2502 { 2503 struct bnxt *bp = netdev_priv(dev); 2504 int rc = 0; 2505 2506 if (!BNXT_PF(bp)) { 2507 netdev_err(dev, "Reset is not supported from a VF\n"); 2508 return -EOPNOTSUPP; 2509 } 2510 2511 if (pci_vfs_assigned(bp->pdev)) { 2512 netdev_err(dev, 2513 "Reset not allowed when VFs are assigned to VMs\n"); 2514 return -EBUSY; 2515 } 2516 2517 if (*flags == ETH_RESET_ALL) { 2518 /* This feature is not supported in older firmware versions */ 2519 if (bp->hwrm_spec_code < 0x10803) 2520 return -EOPNOTSUPP; 2521 2522 rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP); 2523 if (!rc) 2524 netdev_info(dev, "Reset request successful. Reload driver to complete reset\n"); 2525 } else { 2526 rc = -EINVAL; 2527 } 2528 2529 return rc; 2530 } 2531 2532 void bnxt_ethtool_init(struct bnxt *bp) 2533 { 2534 struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr; 2535 struct hwrm_selftest_qlist_input req = {0}; 2536 struct bnxt_test_info *test_info; 2537 struct net_device *dev = bp->dev; 2538 char *pkglog; 2539 int i, rc; 2540 2541 pkglog = kzalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL); 2542 if (pkglog) { 2543 char *pkgver; 2544 int len; 2545 2546 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH); 2547 if (pkgver && *pkgver != 0 && isdigit(*pkgver)) { 2548 len = strlen(bp->fw_ver_str); 2549 snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1, 2550 "/pkg %s", pkgver); 2551 } 2552 kfree(pkglog); 2553 } 2554 if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp)) 2555 return; 2556 2557 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1); 2558 mutex_lock(&bp->hwrm_cmd_lock); 2559 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); 2560 if (rc) 2561 goto ethtool_init_exit; 2562 2563 test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL); 2564 if (!test_info) 2565 goto ethtool_init_exit; 2566 2567 bp->test_info = test_info; 2568 bp->num_tests = resp->num_tests + BNXT_DRV_TESTS; 2569 if (bp->num_tests > BNXT_MAX_TEST) 2570 bp->num_tests = BNXT_MAX_TEST; 2571 2572 test_info->offline_mask = resp->offline_tests; 2573 test_info->timeout = le16_to_cpu(resp->test_timeout); 2574 if (!test_info->timeout) 2575 test_info->timeout = HWRM_CMD_TIMEOUT; 2576 for (i = 0; i < bp->num_tests; i++) { 2577 char *str = test_info->string[i]; 2578 char *fw_str = resp->test0_name + i * 32; 2579 2580 if (i == BNXT_MACLPBK_TEST_IDX) { 2581 strcpy(str, "Mac loopback test (offline)"); 2582 } else if (i == BNXT_PHYLPBK_TEST_IDX) { 2583 strcpy(str, "Phy loopback test (offline)"); 2584 } else if (i == BNXT_IRQ_TEST_IDX) { 2585 strcpy(str, "Interrupt_test (offline)"); 2586 } else { 2587 strlcpy(str, fw_str, ETH_GSTRING_LEN); 2588 strncat(str, " test", ETH_GSTRING_LEN - strlen(str)); 2589 if (test_info->offline_mask & (1 << i)) 2590 strncat(str, " (offline)", 2591 ETH_GSTRING_LEN - strlen(str)); 2592 else 2593 strncat(str, " (online)", 2594 ETH_GSTRING_LEN - strlen(str)); 2595 } 2596 } 2597 2598 ethtool_init_exit: 2599 mutex_unlock(&bp->hwrm_cmd_lock); 2600 } 2601 2602 void bnxt_ethtool_free(struct bnxt *bp) 2603 { 2604 kfree(bp->test_info); 2605 bp->test_info = NULL; 2606 } 2607 2608 const struct ethtool_ops bnxt_ethtool_ops = { 2609 .get_link_ksettings = bnxt_get_link_ksettings, 2610 .set_link_ksettings = bnxt_set_link_ksettings, 2611 .get_pauseparam = bnxt_get_pauseparam, 2612 .set_pauseparam = bnxt_set_pauseparam, 2613 .get_drvinfo = bnxt_get_drvinfo, 2614 .get_wol = bnxt_get_wol, 2615 .set_wol = bnxt_set_wol, 2616 .get_coalesce = bnxt_get_coalesce, 2617 .set_coalesce = bnxt_set_coalesce, 2618 .get_msglevel = bnxt_get_msglevel, 2619 .set_msglevel = bnxt_set_msglevel, 2620 .get_sset_count = bnxt_get_sset_count, 2621 .get_strings = bnxt_get_strings, 2622 .get_ethtool_stats = bnxt_get_ethtool_stats, 2623 .set_ringparam = bnxt_set_ringparam, 2624 .get_ringparam = bnxt_get_ringparam, 2625 .get_channels = bnxt_get_channels, 2626 .set_channels = bnxt_set_channels, 2627 .get_rxnfc = bnxt_get_rxnfc, 2628 .set_rxnfc = bnxt_set_rxnfc, 2629 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size, 2630 .get_rxfh_key_size = bnxt_get_rxfh_key_size, 2631 .get_rxfh = bnxt_get_rxfh, 2632 .flash_device = bnxt_flash_device, 2633 .get_eeprom_len = bnxt_get_eeprom_len, 2634 .get_eeprom = bnxt_get_eeprom, 2635 .set_eeprom = bnxt_set_eeprom, 2636 .get_link = bnxt_get_link, 2637 .get_eee = bnxt_get_eee, 2638 .set_eee = bnxt_set_eee, 2639 .get_module_info = bnxt_get_module_info, 2640 .get_module_eeprom = bnxt_get_module_eeprom, 2641 .nway_reset = bnxt_nway_reset, 2642 .set_phys_id = bnxt_set_phys_id, 2643 .self_test = bnxt_self_test, 2644 .reset = bnxt_reset, 2645 }; 2646