drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c

   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 <linux/utsname.h>
  20 #include <linux/time.h>
  21 #include "bnxt_hsi.h"
  22 #include "bnxt.h"
  23 #include "bnxt_xdp.h"
  24 #include "bnxt_ethtool.h"
  25 #include "bnxt_nvm_defs.h"      /* NVRAM content constant and structure defs */
  26 #include "bnxt_fw_hdr.h"        /* Firmware hdr constant and structure defs */
  27 #include "bnxt_coredump.h"
  28 #define FLASH_NVRAM_TIMEOUT     ((HWRM_CMD_TIMEOUT) * 100)
  29 #define FLASH_PACKAGE_TIMEOUT   ((HWRM_CMD_TIMEOUT) * 200)
  30 #define INSTALL_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
  31
  32 static u32 bnxt_get_msglevel(struct net_device *dev)
  33 {
  34         struct bnxt *bp = netdev_priv(dev);
  35
  36         return bp->msg_enable;
  37 }
  38
  39 static void bnxt_set_msglevel(struct net_device *dev, u32 value)
  40 {
  41         struct bnxt *bp = netdev_priv(dev);
  42
  43         bp->msg_enable = value;
  44 }
  45
  46 static int bnxt_get_coalesce(struct net_device *dev,
  47                              struct ethtool_coalesce *coal)
  48 {
  49         struct bnxt *bp = netdev_priv(dev);
  50         struct bnxt_coal *hw_coal;
  51         u16 mult;
  52
  53         memset(coal, 0, sizeof(*coal));
  54
  55         coal->use_adaptive_rx_coalesce = bp->flags & BNXT_FLAG_DIM;
  56
  57         hw_coal = &bp->rx_coal;
  58         mult = hw_coal->bufs_per_record;
  59         coal->rx_coalesce_usecs = hw_coal->coal_ticks;
  60         coal->rx_max_coalesced_frames = hw_coal->coal_bufs / mult;
  61         coal->rx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
  62         coal->rx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
  63
  64         hw_coal = &bp->tx_coal;
  65         mult = hw_coal->bufs_per_record;
  66         coal->tx_coalesce_usecs = hw_coal->coal_ticks;
  67         coal->tx_max_coalesced_frames = hw_coal->coal_bufs / mult;
  68         coal->tx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
  69         coal->tx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
  70
  71         coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
  72
  73         return 0;
  74 }
  75
  76 static int bnxt_set_coalesce(struct net_device *dev,
  77                              struct ethtool_coalesce *coal)
  78 {
  79         struct bnxt *bp = netdev_priv(dev);
  80         bool update_stats = false;
  81         struct bnxt_coal *hw_coal;
  82         int rc = 0;
  83         u16 mult;
  84
  85         if (coal->use_adaptive_rx_coalesce) {
  86                 bp->flags |= BNXT_FLAG_DIM;
  87         } else {
  88                 if (bp->flags & BNXT_FLAG_DIM) {
  89                         bp->flags &= ~(BNXT_FLAG_DIM);
  90                         goto reset_coalesce;
  91                 }
  92         }
  93
  94         hw_coal = &bp->rx_coal;
  95         mult = hw_coal->bufs_per_record;
  96         hw_coal->coal_ticks = coal->rx_coalesce_usecs;
  97         hw_coal->coal_bufs = coal->rx_max_coalesced_frames * mult;
  98         hw_coal->coal_ticks_irq = coal->rx_coalesce_usecs_irq;
  99         hw_coal->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * mult;
 100
 101         hw_coal = &bp->tx_coal;
 102         mult = hw_coal->bufs_per_record;
 103         hw_coal->coal_ticks = coal->tx_coalesce_usecs;
 104         hw_coal->coal_bufs = coal->tx_max_coalesced_frames * mult;
 105         hw_coal->coal_ticks_irq = coal->tx_coalesce_usecs_irq;
 106         hw_coal->coal_bufs_irq = coal->tx_max_coalesced_frames_irq * mult;
 107
 108         if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
 109                 u32 stats_ticks = coal->stats_block_coalesce_usecs;
 110
 111                 /* Allow 0, which means disable. */
 112                 if (stats_ticks)
 113                         stats_ticks = clamp_t(u32, stats_ticks,
 114                                               BNXT_MIN_STATS_COAL_TICKS,
 115                                               BNXT_MAX_STATS_COAL_TICKS);
 116                 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
 117                 bp->stats_coal_ticks = stats_ticks;
 118                 if (bp->stats_coal_ticks)
 119                         bp->current_interval =
 120                                 bp->stats_coal_ticks * HZ / 1000000;
 121                 else
 122                         bp->current_interval = BNXT_TIMER_INTERVAL;
 123                 update_stats = true;
 124         }
 125
 126 reset_coalesce:
 127         if (netif_running(dev)) {
 128                 if (update_stats) {
 129                         rc = bnxt_close_nic(bp, true, false);
 130                         if (!rc)
 131                                 rc = bnxt_open_nic(bp, true, false);
 132                 } else {
 133                         rc = bnxt_hwrm_set_coal(bp);
 134                 }
 135         }
 136
 137         return rc;
 138 }
 139
 140 static const char * const bnxt_ring_stats_str[] = {
 141         "rx_ucast_packets",
 142         "rx_mcast_packets",
 143         "rx_bcast_packets",
 144         "rx_discards",
 145         "rx_drops",
 146         "rx_ucast_bytes",
 147         "rx_mcast_bytes",
 148         "rx_bcast_bytes",
 149         "tx_ucast_packets",
 150         "tx_mcast_packets",
 151         "tx_bcast_packets",
 152         "tx_discards",
 153         "tx_drops",
 154         "tx_ucast_bytes",
 155         "tx_mcast_bytes",
 156         "tx_bcast_bytes",
 157 };
 158
 159 static const char * const bnxt_ring_tpa_stats_str[] = {
 160         "tpa_packets",
 161         "tpa_bytes",
 162         "tpa_events",
 163         "tpa_aborts",
 164 };
 165
 166 static const char * const bnxt_ring_tpa2_stats_str[] = {
 167         "rx_tpa_eligible_pkt",
 168         "rx_tpa_eligible_bytes",
 169         "rx_tpa_pkt",
 170         "rx_tpa_bytes",
 171         "rx_tpa_errors",
 172 };
 173
 174 static const char * const bnxt_ring_sw_stats_str[] = {
 175         "rx_l4_csum_errors",
 176         "rx_buf_errors",
 177         "missed_irqs",
 178 };
 179
 180 #define BNXT_RX_STATS_ENTRY(counter)    \
 181         { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
 182
 183 #define BNXT_TX_STATS_ENTRY(counter)    \
 184         { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
 185
 186 #define BNXT_RX_STATS_EXT_ENTRY(counter)        \
 187         { BNXT_RX_STATS_EXT_OFFSET(counter), __stringify(counter) }
 188
 189 #define BNXT_TX_STATS_EXT_ENTRY(counter)        \
 190         { BNXT_TX_STATS_EXT_OFFSET(counter), __stringify(counter) }
 191
 192 #define BNXT_RX_STATS_EXT_PFC_ENTRY(n)                          \
 193         BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_duration_us),   \
 194         BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_transitions)
 195
 196 #define BNXT_TX_STATS_EXT_PFC_ENTRY(n)                          \
 197         BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_duration_us),   \
 198         BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_transitions)
 199
 200 #define BNXT_RX_STATS_EXT_PFC_ENTRIES                           \
 201         BNXT_RX_STATS_EXT_PFC_ENTRY(0),                         \
 202         BNXT_RX_STATS_EXT_PFC_ENTRY(1),                         \
 203         BNXT_RX_STATS_EXT_PFC_ENTRY(2),                         \
 204         BNXT_RX_STATS_EXT_PFC_ENTRY(3),                         \
 205         BNXT_RX_STATS_EXT_PFC_ENTRY(4),                         \
 206         BNXT_RX_STATS_EXT_PFC_ENTRY(5),                         \
 207         BNXT_RX_STATS_EXT_PFC_ENTRY(6),                         \
 208         BNXT_RX_STATS_EXT_PFC_ENTRY(7)
 209
 210 #define BNXT_TX_STATS_EXT_PFC_ENTRIES                           \
 211         BNXT_TX_STATS_EXT_PFC_ENTRY(0),                         \
 212         BNXT_TX_STATS_EXT_PFC_ENTRY(1),                         \
 213         BNXT_TX_STATS_EXT_PFC_ENTRY(2),                         \
 214         BNXT_TX_STATS_EXT_PFC_ENTRY(3),                         \
 215         BNXT_TX_STATS_EXT_PFC_ENTRY(4),                         \
 216         BNXT_TX_STATS_EXT_PFC_ENTRY(5),                         \
 217         BNXT_TX_STATS_EXT_PFC_ENTRY(6),                         \
 218         BNXT_TX_STATS_EXT_PFC_ENTRY(7)
 219
 220 #define BNXT_RX_STATS_EXT_COS_ENTRY(n)                          \
 221         BNXT_RX_STATS_EXT_ENTRY(rx_bytes_cos##n),               \
 222         BNXT_RX_STATS_EXT_ENTRY(rx_packets_cos##n)
 223
 224 #define BNXT_TX_STATS_EXT_COS_ENTRY(n)                          \
 225         BNXT_TX_STATS_EXT_ENTRY(tx_bytes_cos##n),               \
 226         BNXT_TX_STATS_EXT_ENTRY(tx_packets_cos##n)
 227
 228 #define BNXT_RX_STATS_EXT_COS_ENTRIES                           \
 229         BNXT_RX_STATS_EXT_COS_ENTRY(0),                         \
 230         BNXT_RX_STATS_EXT_COS_ENTRY(1),                         \
 231         BNXT_RX_STATS_EXT_COS_ENTRY(2),                         \
 232         BNXT_RX_STATS_EXT_COS_ENTRY(3),                         \
 233         BNXT_RX_STATS_EXT_COS_ENTRY(4),                         \
 234         BNXT_RX_STATS_EXT_COS_ENTRY(5),                         \
 235         BNXT_RX_STATS_EXT_COS_ENTRY(6),                         \
 236         BNXT_RX_STATS_EXT_COS_ENTRY(7)                          \
 237
 238 #define BNXT_TX_STATS_EXT_COS_ENTRIES                           \
 239         BNXT_TX_STATS_EXT_COS_ENTRY(0),                         \
 240         BNXT_TX_STATS_EXT_COS_ENTRY(1),                         \
 241         BNXT_TX_STATS_EXT_COS_ENTRY(2),                         \
 242         BNXT_TX_STATS_EXT_COS_ENTRY(3),                         \
 243         BNXT_TX_STATS_EXT_COS_ENTRY(4),                         \
 244         BNXT_TX_STATS_EXT_COS_ENTRY(5),                         \
 245         BNXT_TX_STATS_EXT_COS_ENTRY(6),                         \
 246         BNXT_TX_STATS_EXT_COS_ENTRY(7)                          \
 247
 248 #define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(n)                  \
 249         BNXT_RX_STATS_EXT_ENTRY(rx_discard_bytes_cos##n),       \
 250         BNXT_RX_STATS_EXT_ENTRY(rx_discard_packets_cos##n)
 251
 252 #define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES                           \
 253         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(0),                         \
 254         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(1),                         \
 255         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(2),                         \
 256         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(3),                         \
 257         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(4),                         \
 258         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(5),                         \
 259         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(6),                         \
 260         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(7)
 261
 262 #define BNXT_RX_STATS_PRI_ENTRY(counter, n)             \
 263         { BNXT_RX_STATS_EXT_OFFSET(counter##_cos0),     \
 264           __stringify(counter##_pri##n) }
 265
 266 #define BNXT_TX_STATS_PRI_ENTRY(counter, n)             \
 267         { BNXT_TX_STATS_EXT_OFFSET(counter##_cos0),     \
 268           __stringify(counter##_pri##n) }
 269
 270 #define BNXT_RX_STATS_PRI_ENTRIES(counter)              \
 271         BNXT_RX_STATS_PRI_ENTRY(counter, 0),            \
 272         BNXT_RX_STATS_PRI_ENTRY(counter, 1),            \
 273         BNXT_RX_STATS_PRI_ENTRY(counter, 2),            \
 274         BNXT_RX_STATS_PRI_ENTRY(counter, 3),            \
 275         BNXT_RX_STATS_PRI_ENTRY(counter, 4),            \
 276         BNXT_RX_STATS_PRI_ENTRY(counter, 5),            \
 277         BNXT_RX_STATS_PRI_ENTRY(counter, 6),            \
 278         BNXT_RX_STATS_PRI_ENTRY(counter, 7)
 279
 280 #define BNXT_TX_STATS_PRI_ENTRIES(counter)              \
 281         BNXT_TX_STATS_PRI_ENTRY(counter, 0),            \
 282         BNXT_TX_STATS_PRI_ENTRY(counter, 1),            \
 283         BNXT_TX_STATS_PRI_ENTRY(counter, 2),            \
 284         BNXT_TX_STATS_PRI_ENTRY(counter, 3),            \
 285         BNXT_TX_STATS_PRI_ENTRY(counter, 4),            \
 286         BNXT_TX_STATS_PRI_ENTRY(counter, 5),            \
 287         BNXT_TX_STATS_PRI_ENTRY(counter, 6),            \
 288         BNXT_TX_STATS_PRI_ENTRY(counter, 7)
 289
 290 #define BNXT_PCIE_STATS_ENTRY(counter)  \
 291         { BNXT_PCIE_STATS_OFFSET(counter), __stringify(counter) }
 292
 293 enum {
 294         RX_TOTAL_DISCARDS,
 295         TX_TOTAL_DISCARDS,
 296 };
 297
 298 static struct {
 299         u64                     counter;
 300         char                    string[ETH_GSTRING_LEN];
 301 } bnxt_sw_func_stats[] = {
 302         {0, "rx_total_discard_pkts"},
 303         {0, "tx_total_discard_pkts"},
 304 };
 305
 306 static const struct {
 307         long offset;
 308         char string[ETH_GSTRING_LEN];
 309 } bnxt_port_stats_arr[] = {
 310         BNXT_RX_STATS_ENTRY(rx_64b_frames),
 311         BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
 312         BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
 313         BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
 314         BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
 315         BNXT_RX_STATS_ENTRY(rx_1024b_1518b_frames),
 316         BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
 317         BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
 318         BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
 319         BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
 320         BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
 321         BNXT_RX_STATS_ENTRY(rx_total_frames),
 322         BNXT_RX_STATS_ENTRY(rx_ucast_frames),
 323         BNXT_RX_STATS_ENTRY(rx_mcast_frames),
 324         BNXT_RX_STATS_ENTRY(rx_bcast_frames),
 325         BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
 326         BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
 327         BNXT_RX_STATS_ENTRY(rx_pause_frames),
 328         BNXT_RX_STATS_ENTRY(rx_pfc_frames),
 329         BNXT_RX_STATS_ENTRY(rx_align_err_frames),
 330         BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
 331         BNXT_RX_STATS_ENTRY(rx_jbr_frames),
 332         BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
 333         BNXT_RX_STATS_ENTRY(rx_tagged_frames),
 334         BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
 335         BNXT_RX_STATS_ENTRY(rx_good_frames),
 336         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
 337         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
 338         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
 339         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
 340         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
 341         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
 342         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
 343         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
 344         BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
 345         BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
 346         BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
 347         BNXT_RX_STATS_ENTRY(rx_bytes),
 348         BNXT_RX_STATS_ENTRY(rx_runt_bytes),
 349         BNXT_RX_STATS_ENTRY(rx_runt_frames),
 350         BNXT_RX_STATS_ENTRY(rx_stat_discard),
 351         BNXT_RX_STATS_ENTRY(rx_stat_err),
 352
 353         BNXT_TX_STATS_ENTRY(tx_64b_frames),
 354         BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
 355         BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
 356         BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
 357         BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
 358         BNXT_TX_STATS_ENTRY(tx_1024b_1518b_frames),
 359         BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
 360         BNXT_TX_STATS_ENTRY(tx_1519b_2047b_frames),
 361         BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
 362         BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
 363         BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
 364         BNXT_TX_STATS_ENTRY(tx_good_frames),
 365         BNXT_TX_STATS_ENTRY(tx_total_frames),
 366         BNXT_TX_STATS_ENTRY(tx_ucast_frames),
 367         BNXT_TX_STATS_ENTRY(tx_mcast_frames),
 368         BNXT_TX_STATS_ENTRY(tx_bcast_frames),
 369         BNXT_TX_STATS_ENTRY(tx_pause_frames),
 370         BNXT_TX_STATS_ENTRY(tx_pfc_frames),
 371         BNXT_TX_STATS_ENTRY(tx_jabber_frames),
 372         BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
 373         BNXT_TX_STATS_ENTRY(tx_err),
 374         BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
 375         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
 376         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
 377         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
 378         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
 379         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
 380         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
 381         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
 382         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
 383         BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
 384         BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
 385         BNXT_TX_STATS_ENTRY(tx_total_collisions),
 386         BNXT_TX_STATS_ENTRY(tx_bytes),
 387         BNXT_TX_STATS_ENTRY(tx_xthol_frames),
 388         BNXT_TX_STATS_ENTRY(tx_stat_discard),
 389         BNXT_TX_STATS_ENTRY(tx_stat_error),
 390 };
 391
 392 static const struct {
 393         long offset;
 394         char string[ETH_GSTRING_LEN];
 395 } bnxt_port_stats_ext_arr[] = {
 396         BNXT_RX_STATS_EXT_ENTRY(link_down_events),
 397         BNXT_RX_STATS_EXT_ENTRY(continuous_pause_events),
 398         BNXT_RX_STATS_EXT_ENTRY(resume_pause_events),
 399         BNXT_RX_STATS_EXT_ENTRY(continuous_roce_pause_events),
 400         BNXT_RX_STATS_EXT_ENTRY(resume_roce_pause_events),
 401         BNXT_RX_STATS_EXT_COS_ENTRIES,
 402         BNXT_RX_STATS_EXT_PFC_ENTRIES,
 403         BNXT_RX_STATS_EXT_ENTRY(rx_bits),
 404         BNXT_RX_STATS_EXT_ENTRY(rx_buffer_passed_threshold),
 405         BNXT_RX_STATS_EXT_ENTRY(rx_pcs_symbol_err),
 406         BNXT_RX_STATS_EXT_ENTRY(rx_corrected_bits),
 407         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES,
 408 };
 409
 410 static const struct {
 411         long offset;
 412         char string[ETH_GSTRING_LEN];
 413 } bnxt_tx_port_stats_ext_arr[] = {
 414         BNXT_TX_STATS_EXT_COS_ENTRIES,
 415         BNXT_TX_STATS_EXT_PFC_ENTRIES,
 416 };
 417
 418 static const struct {
 419         long base_off;
 420         char string[ETH_GSTRING_LEN];
 421 } bnxt_rx_bytes_pri_arr[] = {
 422         BNXT_RX_STATS_PRI_ENTRIES(rx_bytes),
 423 };
 424
 425 static const struct {
 426         long base_off;
 427         char string[ETH_GSTRING_LEN];
 428 } bnxt_rx_pkts_pri_arr[] = {
 429         BNXT_RX_STATS_PRI_ENTRIES(rx_packets),
 430 };
 431
 432 static const struct {
 433         long base_off;
 434         char string[ETH_GSTRING_LEN];
 435 } bnxt_tx_bytes_pri_arr[] = {
 436         BNXT_TX_STATS_PRI_ENTRIES(tx_bytes),
 437 };
 438
 439 static const struct {
 440         long base_off;
 441         char string[ETH_GSTRING_LEN];
 442 } bnxt_tx_pkts_pri_arr[] = {
 443         BNXT_TX_STATS_PRI_ENTRIES(tx_packets),
 444 };
 445
 446 static const struct {
 447         long offset;
 448         char string[ETH_GSTRING_LEN];
 449 } bnxt_pcie_stats_arr[] = {
 450         BNXT_PCIE_STATS_ENTRY(pcie_pl_signal_integrity),
 451         BNXT_PCIE_STATS_ENTRY(pcie_dl_signal_integrity),
 452         BNXT_PCIE_STATS_ENTRY(pcie_tl_signal_integrity),
 453         BNXT_PCIE_STATS_ENTRY(pcie_link_integrity),
 454         BNXT_PCIE_STATS_ENTRY(pcie_tx_traffic_rate),
 455         BNXT_PCIE_STATS_ENTRY(pcie_rx_traffic_rate),
 456         BNXT_PCIE_STATS_ENTRY(pcie_tx_dllp_statistics),
 457         BNXT_PCIE_STATS_ENTRY(pcie_rx_dllp_statistics),
 458         BNXT_PCIE_STATS_ENTRY(pcie_equalization_time),
 459         BNXT_PCIE_STATS_ENTRY(pcie_ltssm_histogram[0]),
 460         BNXT_PCIE_STATS_ENTRY(pcie_ltssm_histogram[2]),
 461         BNXT_PCIE_STATS_ENTRY(pcie_recovery_histogram),
 462 };
 463
 464 #define BNXT_NUM_SW_FUNC_STATS  ARRAY_SIZE(bnxt_sw_func_stats)
 465 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
 466 #define BNXT_NUM_STATS_PRI                      \
 467         (ARRAY_SIZE(bnxt_rx_bytes_pri_arr) +    \
 468          ARRAY_SIZE(bnxt_rx_pkts_pri_arr) +     \
 469          ARRAY_SIZE(bnxt_tx_bytes_pri_arr) +    \
 470          ARRAY_SIZE(bnxt_tx_pkts_pri_arr))
 471 #define BNXT_NUM_PCIE_STATS ARRAY_SIZE(bnxt_pcie_stats_arr)
 472
 473 static int bnxt_get_num_tpa_ring_stats(struct bnxt *bp)
 474 {
 475         if (BNXT_SUPPORTS_TPA(bp)) {
 476                 if (bp->max_tpa_v2)
 477                         return ARRAY_SIZE(bnxt_ring_tpa2_stats_str);
 478                 return ARRAY_SIZE(bnxt_ring_tpa_stats_str);
 479         }
 480         return 0;
 481 }
 482
 483 static int bnxt_get_num_ring_stats(struct bnxt *bp)
 484 {
 485         int num_stats;
 486
 487         num_stats = ARRAY_SIZE(bnxt_ring_stats_str) +
 488                     ARRAY_SIZE(bnxt_ring_sw_stats_str) +
 489                     bnxt_get_num_tpa_ring_stats(bp);
 490         return num_stats * bp->cp_nr_rings;
 491 }
 492
 493 static int bnxt_get_num_stats(struct bnxt *bp)
 494 {
 495         int num_stats = bnxt_get_num_ring_stats(bp);
 496
 497         num_stats += BNXT_NUM_SW_FUNC_STATS;
 498
 499         if (bp->flags & BNXT_FLAG_PORT_STATS)
 500                 num_stats += BNXT_NUM_PORT_STATS;
 501
 502         if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
 503                 num_stats += bp->fw_rx_stats_ext_size +
 504                              bp->fw_tx_stats_ext_size;
 505                 if (bp->pri2cos_valid)
 506                         num_stats += BNXT_NUM_STATS_PRI;
 507         }
 508
 509         if (bp->flags & BNXT_FLAG_PCIE_STATS)
 510                 num_stats += BNXT_NUM_PCIE_STATS;
 511
 512         return num_stats;
 513 }
 514
 515 static int bnxt_get_sset_count(struct net_device *dev, int sset)
 516 {
 517         struct bnxt *bp = netdev_priv(dev);
 518
 519         switch (sset) {
 520         case ETH_SS_STATS:
 521                 return bnxt_get_num_stats(bp);
 522         case ETH_SS_TEST:
 523                 if (!bp->num_tests)
 524                         return -EOPNOTSUPP;
 525                 return bp->num_tests;
 526         default:
 527                 return -EOPNOTSUPP;
 528         }
 529 }
 530
 531 static void bnxt_get_ethtool_stats(struct net_device *dev,
 532                                    struct ethtool_stats *stats, u64 *buf)
 533 {
 534         u32 i, j = 0;
 535         struct bnxt *bp = netdev_priv(dev);
 536         u32 stat_fields = ARRAY_SIZE(bnxt_ring_stats_str) +
 537                           bnxt_get_num_tpa_ring_stats(bp);
 538
 539         if (!bp->bnapi) {
 540                 j += bnxt_get_num_ring_stats(bp) + BNXT_NUM_SW_FUNC_STATS;
 541                 goto skip_ring_stats;
 542         }
 543
 544         for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
 545                 bnxt_sw_func_stats[i].counter = 0;
 546
 547         for (i = 0; i < bp->cp_nr_rings; i++) {
 548                 struct bnxt_napi *bnapi = bp->bnapi[i];
 549                 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
 550                 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
 551                 int k;
 552
 553                 for (k = 0; k < stat_fields; j++, k++)
 554                         buf[j] = le64_to_cpu(hw_stats[k]);
 555                 buf[j++] = cpr->rx_l4_csum_errors;
 556                 buf[j++] = cpr->rx_buf_errors;
 557                 buf[j++] = cpr->missed_irqs;
 558
 559                 bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
 560                         le64_to_cpu(cpr->hw_stats->rx_discard_pkts);
 561                 bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
 562                         le64_to_cpu(cpr->hw_stats->tx_discard_pkts);
 563         }
 564
 565         for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++, j++)
 566                 buf[j] = bnxt_sw_func_stats[i].counter;
 567
 568 skip_ring_stats:
 569         if (bp->flags & BNXT_FLAG_PORT_STATS) {
 570                 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
 571
 572                 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
 573                         buf[j] = le64_to_cpu(*(port_stats +
 574                                                bnxt_port_stats_arr[i].offset));
 575                 }
 576         }
 577         if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
 578                 __le64 *rx_port_stats_ext = (__le64 *)bp->hw_rx_port_stats_ext;
 579                 __le64 *tx_port_stats_ext = (__le64 *)bp->hw_tx_port_stats_ext;
 580
 581                 for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) {
 582                         buf[j] = le64_to_cpu(*(rx_port_stats_ext +
 583                                             bnxt_port_stats_ext_arr[i].offset));
 584                 }
 585                 for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) {
 586                         buf[j] = le64_to_cpu(*(tx_port_stats_ext +
 587                                         bnxt_tx_port_stats_ext_arr[i].offset));
 588                 }
 589                 if (bp->pri2cos_valid) {
 590                         for (i = 0; i < 8; i++, j++) {
 591                                 long n = bnxt_rx_bytes_pri_arr[i].base_off +
 592                                          bp->pri2cos_idx[i];
 593
 594                                 buf[j] = le64_to_cpu(*(rx_port_stats_ext + n));
 595                         }
 596                         for (i = 0; i < 8; i++, j++) {
 597                                 long n = bnxt_rx_pkts_pri_arr[i].base_off +
 598                                          bp->pri2cos_idx[i];
 599
 600                                 buf[j] = le64_to_cpu(*(rx_port_stats_ext + n));
 601                         }
 602                         for (i = 0; i < 8; i++, j++) {
 603                                 long n = bnxt_tx_bytes_pri_arr[i].base_off +
 604                                          bp->pri2cos_idx[i];
 605
 606                                 buf[j] = le64_to_cpu(*(tx_port_stats_ext + n));
 607                         }
 608                         for (i = 0; i < 8; i++, j++) {
 609                                 long n = bnxt_tx_pkts_pri_arr[i].base_off +
 610                                          bp->pri2cos_idx[i];
 611
 612                                 buf[j] = le64_to_cpu(*(tx_port_stats_ext + n));
 613                         }
 614                 }
 615         }
 616         if (bp->flags & BNXT_FLAG_PCIE_STATS) {
 617                 __le64 *pcie_stats = (__le64 *)bp->hw_pcie_stats;
 618
 619                 for (i = 0; i < BNXT_NUM_PCIE_STATS; i++, j++) {
 620                         buf[j] = le64_to_cpu(*(pcie_stats +
 621                                                bnxt_pcie_stats_arr[i].offset));
 622                 }
 623         }
 624 }
 625
 626 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
 627 {
 628         struct bnxt *bp = netdev_priv(dev);
 629         static const char * const *str;
 630         u32 i, j, num_str;
 631
 632         switch (stringset) {
 633         case ETH_SS_STATS:
 634                 for (i = 0; i < bp->cp_nr_rings; i++) {
 635                         num_str = ARRAY_SIZE(bnxt_ring_stats_str);
 636                         for (j = 0; j < num_str; j++) {
 637                                 sprintf(buf, "[%d]: %s", i,
 638                                         bnxt_ring_stats_str[j]);
 639                                 buf += ETH_GSTRING_LEN;
 640                         }
 641                         if (!BNXT_SUPPORTS_TPA(bp))
 642                                 goto skip_tpa_stats;
 643
 644                         if (bp->max_tpa_v2) {
 645                                 num_str = ARRAY_SIZE(bnxt_ring_tpa2_stats_str);
 646                                 str = bnxt_ring_tpa2_stats_str;
 647                         } else {
 648                                 num_str = ARRAY_SIZE(bnxt_ring_tpa_stats_str);
 649                                 str = bnxt_ring_tpa_stats_str;
 650                         }
 651                         for (j = 0; j < num_str; j++) {
 652                                 sprintf(buf, "[%d]: %s", i, str[j]);
 653                                 buf += ETH_GSTRING_LEN;
 654                         }
 655 skip_tpa_stats:
 656                         num_str = ARRAY_SIZE(bnxt_ring_sw_stats_str);
 657                         for (j = 0; j < num_str; j++) {
 658                                 sprintf(buf, "[%d]: %s", i,
 659                                         bnxt_ring_sw_stats_str[j]);
 660                                 buf += ETH_GSTRING_LEN;
 661                         }
 662                 }
 663                 for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
 664                         strcpy(buf, bnxt_sw_func_stats[i].string);
 665                         buf += ETH_GSTRING_LEN;
 666                 }
 667
 668                 if (bp->flags & BNXT_FLAG_PORT_STATS) {
 669                         for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
 670                                 strcpy(buf, bnxt_port_stats_arr[i].string);
 671                                 buf += ETH_GSTRING_LEN;
 672                         }
 673                 }
 674                 if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
 675                         for (i = 0; i < bp->fw_rx_stats_ext_size; i++) {
 676                                 strcpy(buf, bnxt_port_stats_ext_arr[i].string);
 677                                 buf += ETH_GSTRING_LEN;
 678                         }
 679                         for (i = 0; i < bp->fw_tx_stats_ext_size; i++) {
 680                                 strcpy(buf,
 681                                        bnxt_tx_port_stats_ext_arr[i].string);
 682                                 buf += ETH_GSTRING_LEN;
 683                         }
 684                         if (bp->pri2cos_valid) {
 685                                 for (i = 0; i < 8; i++) {
 686                                         strcpy(buf,
 687                                                bnxt_rx_bytes_pri_arr[i].string);
 688                                         buf += ETH_GSTRING_LEN;
 689                                 }
 690                                 for (i = 0; i < 8; i++) {
 691                                         strcpy(buf,
 692                                                bnxt_rx_pkts_pri_arr[i].string);
 693                                         buf += ETH_GSTRING_LEN;
 694                                 }
 695                                 for (i = 0; i < 8; i++) {
 696                                         strcpy(buf,
 697                                                bnxt_tx_bytes_pri_arr[i].string);
 698                                         buf += ETH_GSTRING_LEN;
 699                                 }
 700                                 for (i = 0; i < 8; i++) {
 701                                         strcpy(buf,
 702                                                bnxt_tx_pkts_pri_arr[i].string);
 703                                         buf += ETH_GSTRING_LEN;
 704                                 }
 705                         }
 706                 }
 707                 if (bp->flags & BNXT_FLAG_PCIE_STATS) {
 708                         for (i = 0; i < BNXT_NUM_PCIE_STATS; i++) {
 709                                 strcpy(buf, bnxt_pcie_stats_arr[i].string);
 710                                 buf += ETH_GSTRING_LEN;
 711                         }
 712                 }
 713                 break;
 714         case ETH_SS_TEST:
 715                 if (bp->num_tests)
 716                         memcpy(buf, bp->test_info->string,
 717                                bp->num_tests * ETH_GSTRING_LEN);
 718                 break;
 719         default:
 720                 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
 721                            stringset);
 722                 break;
 723         }
 724 }
 725
 726 static void bnxt_get_ringparam(struct net_device *dev,
 727                                struct ethtool_ringparam *ering)
 728 {
 729         struct bnxt *bp = netdev_priv(dev);
 730
 731         ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
 732         ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
 733         ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
 734
 735         ering->rx_pending = bp->rx_ring_size;
 736         ering->rx_jumbo_pending = bp->rx_agg_ring_size;
 737         ering->tx_pending = bp->tx_ring_size;
 738 }
 739
 740 static int bnxt_set_ringparam(struct net_device *dev,
 741                               struct ethtool_ringparam *ering)
 742 {
 743         struct bnxt *bp = netdev_priv(dev);
 744
 745         if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
 746             (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
 747             (ering->tx_pending <= MAX_SKB_FRAGS))
 748                 return -EINVAL;
 749
 750         if (netif_running(dev))
 751                 bnxt_close_nic(bp, false, false);
 752
 753         bp->rx_ring_size = ering->rx_pending;
 754         bp->tx_ring_size = ering->tx_pending;
 755         bnxt_set_ring_params(bp);
 756
 757         if (netif_running(dev))
 758                 return bnxt_open_nic(bp, false, false);
 759
 760         return 0;
 761 }
 762
 763 static void bnxt_get_channels(struct net_device *dev,
 764                               struct ethtool_channels *channel)
 765 {
 766         struct bnxt *bp = netdev_priv(dev);
 767         struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
 768         int max_rx_rings, max_tx_rings, tcs;
 769         int max_tx_sch_inputs;
 770
 771         /* Get the most up-to-date max_tx_sch_inputs. */
 772         if (BNXT_NEW_RM(bp))
 773                 bnxt_hwrm_func_resc_qcaps(bp, false);
 774         max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
 775
 776         bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
 777         if (max_tx_sch_inputs)
 778                 max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
 779         channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
 780
 781         if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
 782                 max_rx_rings = 0;
 783                 max_tx_rings = 0;
 784         }
 785         if (max_tx_sch_inputs)
 786                 max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
 787
 788         tcs = netdev_get_num_tc(dev);
 789         if (tcs > 1)
 790                 max_tx_rings /= tcs;
 791
 792         channel->max_rx = max_rx_rings;
 793         channel->max_tx = max_tx_rings;
 794         channel->max_other = 0;
 795         if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
 796                 channel->combined_count = bp->rx_nr_rings;
 797                 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
 798                         channel->combined_count--;
 799         } else {
 800                 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
 801                         channel->rx_count = bp->rx_nr_rings;
 802                         channel->tx_count = bp->tx_nr_rings_per_tc;
 803                 }
 804         }
 805 }
 806
 807 static int bnxt_set_channels(struct net_device *dev,
 808                              struct ethtool_channels *channel)
 809 {
 810         struct bnxt *bp = netdev_priv(dev);
 811         int req_tx_rings, req_rx_rings, tcs;
 812         bool sh = false;
 813         int tx_xdp = 0;
 814         int rc = 0;
 815
 816         if (channel->other_count)
 817                 return -EINVAL;
 818
 819         if (!channel->combined_count &&
 820             (!channel->rx_count || !channel->tx_count))
 821                 return -EINVAL;
 822
 823         if (channel->combined_count &&
 824             (channel->rx_count || channel->tx_count))
 825                 return -EINVAL;
 826
 827         if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
 828                                             channel->tx_count))
 829                 return -EINVAL;
 830
 831         if (channel->combined_count)
 832                 sh = true;
 833
 834         tcs = netdev_get_num_tc(dev);
 835
 836         req_tx_rings = sh ? channel->combined_count : channel->tx_count;
 837         req_rx_rings = sh ? channel->combined_count : channel->rx_count;
 838         if (bp->tx_nr_rings_xdp) {
 839                 if (!sh) {
 840                         netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
 841                         return -EINVAL;
 842                 }
 843                 tx_xdp = req_rx_rings;
 844         }
 845         rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
 846         if (rc) {
 847                 netdev_warn(dev, "Unable to allocate the requested rings\n");
 848                 return rc;
 849         }
 850
 851         if (netif_running(dev)) {
 852                 if (BNXT_PF(bp)) {
 853                         /* TODO CHIMP_FW: Send message to all VF's
 854                          * before PF unload
 855                          */
 856                 }
 857                 rc = bnxt_close_nic(bp, true, false);
 858                 if (rc) {
 859                         netdev_err(bp->dev, "Set channel failure rc :%x\n",
 860                                    rc);
 861                         return rc;
 862                 }
 863         }
 864
 865         if (sh) {
 866                 bp->flags |= BNXT_FLAG_SHARED_RINGS;
 867                 bp->rx_nr_rings = channel->combined_count;
 868                 bp->tx_nr_rings_per_tc = channel->combined_count;
 869         } else {
 870                 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
 871                 bp->rx_nr_rings = channel->rx_count;
 872                 bp->tx_nr_rings_per_tc = channel->tx_count;
 873         }
 874         bp->tx_nr_rings_xdp = tx_xdp;
 875         bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
 876         if (tcs > 1)
 877                 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
 878
 879         bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
 880                                bp->tx_nr_rings + bp->rx_nr_rings;
 881
 882         /* After changing number of rx channels, update NTUPLE feature. */
 883         netdev_update_features(dev);
 884         if (netif_running(dev)) {
 885                 rc = bnxt_open_nic(bp, true, false);
 886                 if ((!rc) && BNXT_PF(bp)) {
 887                         /* TODO CHIMP_FW: Send message to all VF's
 888                          * to renable
 889                          */
 890                 }
 891         } else {
 892                 rc = bnxt_reserve_rings(bp, true);
 893         }
 894
 895         return rc;
 896 }
 897
 898 #ifdef CONFIG_RFS_ACCEL
 899 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
 900                             u32 *rule_locs)
 901 {
 902         int i, j = 0;
 903
 904         cmd->data = bp->ntp_fltr_count;
 905         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
 906                 struct hlist_head *head;
 907                 struct bnxt_ntuple_filter *fltr;
 908
 909                 head = &bp->ntp_fltr_hash_tbl[i];
 910                 rcu_read_lock();
 911                 hlist_for_each_entry_rcu(fltr, head, hash) {
 912                         if (j == cmd->rule_cnt)
 913                                 break;
 914                         rule_locs[j++] = fltr->sw_id;
 915                 }
 916                 rcu_read_unlock();
 917                 if (j == cmd->rule_cnt)
 918                         break;
 919         }
 920         cmd->rule_cnt = j;
 921         return 0;
 922 }
 923
 924 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
 925 {
 926         struct ethtool_rx_flow_spec *fs =
 927                 (struct ethtool_rx_flow_spec *)&cmd->fs;
 928         struct bnxt_ntuple_filter *fltr;
 929         struct flow_keys *fkeys;
 930         int i, rc = -EINVAL;
 931
 932         if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
 933                 return rc;
 934
 935         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
 936                 struct hlist_head *head;
 937
 938                 head = &bp->ntp_fltr_hash_tbl[i];
 939                 rcu_read_lock();
 940                 hlist_for_each_entry_rcu(fltr, head, hash) {
 941                         if (fltr->sw_id == fs->location)
 942                                 goto fltr_found;
 943                 }
 944                 rcu_read_unlock();
 945         }
 946         return rc;
 947
 948 fltr_found:
 949         fkeys = &fltr->fkeys;
 950         if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
 951                 if (fkeys->basic.ip_proto == IPPROTO_TCP)
 952                         fs->flow_type = TCP_V4_FLOW;
 953                 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
 954                         fs->flow_type = UDP_V4_FLOW;
 955                 else
 956                         goto fltr_err;
 957
 958                 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
 959                 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
 960
 961                 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
 962                 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
 963
 964                 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
 965                 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
 966
 967                 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
 968                 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
 969         } else {
 970                 int i;
 971
 972                 if (fkeys->basic.ip_proto == IPPROTO_TCP)
 973                         fs->flow_type = TCP_V6_FLOW;
 974                 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
 975                         fs->flow_type = UDP_V6_FLOW;
 976                 else
 977                         goto fltr_err;
 978
 979                 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
 980                         fkeys->addrs.v6addrs.src;
 981                 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
 982                         fkeys->addrs.v6addrs.dst;
 983                 for (i = 0; i < 4; i++) {
 984                         fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
 985                         fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
 986                 }
 987                 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
 988                 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
 989
 990                 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
 991                 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
 992         }
 993
 994         fs->ring_cookie = fltr->rxq;
 995         rc = 0;
 996
 997 fltr_err:
 998         rcu_read_unlock();
 999
1000         return rc;
1001 }
1002 #endif
1003
1004 static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
1005 {
1006         if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
1007                 return RXH_IP_SRC | RXH_IP_DST;
1008         return 0;
1009 }
1010
1011 static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
1012 {
1013         if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
1014                 return RXH_IP_SRC | RXH_IP_DST;
1015         return 0;
1016 }
1017
1018 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
1019 {
1020         cmd->data = 0;
1021         switch (cmd->flow_type) {
1022         case TCP_V4_FLOW:
1023                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
1024                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1025                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1026                 cmd->data |= get_ethtool_ipv4_rss(bp);
1027                 break;
1028         case UDP_V4_FLOW:
1029                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
1030                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1031                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1032                 /* fall through */
1033         case SCTP_V4_FLOW:
1034         case AH_ESP_V4_FLOW:
1035         case AH_V4_FLOW:
1036         case ESP_V4_FLOW:
1037         case IPV4_FLOW:
1038                 cmd->data |= get_ethtool_ipv4_rss(bp);
1039                 break;
1040
1041         case TCP_V6_FLOW:
1042                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
1043                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1044                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1045                 cmd->data |= get_ethtool_ipv6_rss(bp);
1046                 break;
1047         case UDP_V6_FLOW:
1048                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
1049                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1050                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1051                 /* fall through */
1052         case SCTP_V6_FLOW:
1053         case AH_ESP_V6_FLOW:
1054         case AH_V6_FLOW:
1055         case ESP_V6_FLOW:
1056         case IPV6_FLOW:
1057                 cmd->data |= get_ethtool_ipv6_rss(bp);
1058                 break;
1059         }
1060         return 0;
1061 }
1062
1063 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
1064 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
1065
1066 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
1067 {
1068         u32 rss_hash_cfg = bp->rss_hash_cfg;
1069         int tuple, rc = 0;
1070
1071         if (cmd->data == RXH_4TUPLE)
1072                 tuple = 4;
1073         else if (cmd->data == RXH_2TUPLE)
1074                 tuple = 2;
1075         else if (!cmd->data)
1076                 tuple = 0;
1077         else
1078                 return -EINVAL;
1079
1080         if (cmd->flow_type == TCP_V4_FLOW) {
1081                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
1082                 if (tuple == 4)
1083                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
1084         } else if (cmd->flow_type == UDP_V4_FLOW) {
1085                 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
1086                         return -EINVAL;
1087                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
1088                 if (tuple == 4)
1089                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
1090         } else if (cmd->flow_type == TCP_V6_FLOW) {
1091                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
1092                 if (tuple == 4)
1093                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
1094         } else if (cmd->flow_type == UDP_V6_FLOW) {
1095                 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
1096                         return -EINVAL;
1097                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
1098                 if (tuple == 4)
1099                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
1100         } else if (tuple == 4) {
1101                 return -EINVAL;
1102         }
1103
1104         switch (cmd->flow_type) {
1105         case TCP_V4_FLOW:
1106         case UDP_V4_FLOW:
1107         case SCTP_V4_FLOW:
1108         case AH_ESP_V4_FLOW:
1109         case AH_V4_FLOW:
1110         case ESP_V4_FLOW:
1111         case IPV4_FLOW:
1112                 if (tuple == 2)
1113                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
1114                 else if (!tuple)
1115                         rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
1116                 break;
1117
1118         case TCP_V6_FLOW:
1119         case UDP_V6_FLOW:
1120         case SCTP_V6_FLOW:
1121         case AH_ESP_V6_FLOW:
1122         case AH_V6_FLOW:
1123         case ESP_V6_FLOW:
1124         case IPV6_FLOW:
1125                 if (tuple == 2)
1126                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
1127                 else if (!tuple)
1128                         rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
1129                 break;
1130         }
1131
1132         if (bp->rss_hash_cfg == rss_hash_cfg)
1133                 return 0;
1134
1135         bp->rss_hash_cfg = rss_hash_cfg;
1136         if (netif_running(bp->dev)) {
1137                 bnxt_close_nic(bp, false, false);
1138                 rc = bnxt_open_nic(bp, false, false);
1139         }
1140         return rc;
1141 }
1142
1143 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1144                           u32 *rule_locs)
1145 {
1146         struct bnxt *bp = netdev_priv(dev);
1147         int rc = 0;
1148
1149         switch (cmd->cmd) {
1150 #ifdef CONFIG_RFS_ACCEL
1151         case ETHTOOL_GRXRINGS:
1152                 cmd->data = bp->rx_nr_rings;
1153                 break;
1154
1155         case ETHTOOL_GRXCLSRLCNT:
1156                 cmd->rule_cnt = bp->ntp_fltr_count;
1157                 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
1158                 break;
1159
1160         case ETHTOOL_GRXCLSRLALL:
1161                 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
1162                 break;
1163
1164         case ETHTOOL_GRXCLSRULE:
1165                 rc = bnxt_grxclsrule(bp, cmd);
1166                 break;
1167 #endif
1168
1169         case ETHTOOL_GRXFH:
1170                 rc = bnxt_grxfh(bp, cmd);
1171                 break;
1172
1173         default:
1174                 rc = -EOPNOTSUPP;
1175                 break;
1176         }
1177
1178         return rc;
1179 }
1180
1181 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1182 {
1183         struct bnxt *bp = netdev_priv(dev);
1184         int rc;
1185
1186         switch (cmd->cmd) {
1187         case ETHTOOL_SRXFH:
1188                 rc = bnxt_srxfh(bp, cmd);
1189                 break;
1190
1191         default:
1192                 rc = -EOPNOTSUPP;
1193                 break;
1194         }
1195         return rc;
1196 }
1197
1198 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
1199 {
1200         return HW_HASH_INDEX_SIZE;
1201 }
1202
1203 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
1204 {
1205         return HW_HASH_KEY_SIZE;
1206 }
1207
1208 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
1209                          u8 *hfunc)
1210 {
1211         struct bnxt *bp = netdev_priv(dev);
1212         struct bnxt_vnic_info *vnic;
1213         int i = 0;
1214
1215         if (hfunc)
1216                 *hfunc = ETH_RSS_HASH_TOP;
1217
1218         if (!bp->vnic_info)
1219                 return 0;
1220
1221         vnic = &bp->vnic_info[0];
1222         if (indir && vnic->rss_table) {
1223                 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
1224                         indir[i] = le16_to_cpu(vnic->rss_table[i]);
1225         }
1226
1227         if (key && vnic->rss_hash_key)
1228                 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
1229
1230         return 0;
1231 }
1232
1233 static void bnxt_get_drvinfo(struct net_device *dev,
1234                              struct ethtool_drvinfo *info)
1235 {
1236         struct bnxt *bp = netdev_priv(dev);
1237
1238         strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1239         strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
1240         strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
1241         strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1242         info->n_stats = bnxt_get_num_stats(bp);
1243         info->testinfo_len = bp->num_tests;
1244         /* TODO CHIMP_FW: eeprom dump details */
1245         info->eedump_len = 0;
1246         /* TODO CHIMP FW: reg dump details */
1247         info->regdump_len = 0;
1248 }
1249
1250 static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1251 {
1252         struct bnxt *bp = netdev_priv(dev);
1253
1254         wol->supported = 0;
1255         wol->wolopts = 0;
1256         memset(&wol->sopass, 0, sizeof(wol->sopass));
1257         if (bp->flags & BNXT_FLAG_WOL_CAP) {
1258                 wol->supported = WAKE_MAGIC;
1259                 if (bp->wol)
1260                         wol->wolopts = WAKE_MAGIC;
1261         }
1262 }
1263
1264 static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1265 {
1266         struct bnxt *bp = netdev_priv(dev);
1267
1268         if (wol->wolopts & ~WAKE_MAGIC)
1269                 return -EINVAL;
1270
1271         if (wol->wolopts & WAKE_MAGIC) {
1272                 if (!(bp->flags & BNXT_FLAG_WOL_CAP))
1273                         return -EINVAL;
1274                 if (!bp->wol) {
1275                         if (bnxt_hwrm_alloc_wol_fltr(bp))
1276                                 return -EBUSY;
1277                         bp->wol = 1;
1278                 }
1279         } else {
1280                 if (bp->wol) {
1281                         if (bnxt_hwrm_free_wol_fltr(bp))
1282                                 return -EBUSY;
1283                         bp->wol = 0;
1284                 }
1285         }
1286         return 0;
1287 }
1288
1289 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
1290 {
1291         u32 speed_mask = 0;
1292
1293         /* TODO: support 25GB, 40GB, 50GB with different cable type */
1294         /* set the advertised speeds */
1295         if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
1296                 speed_mask |= ADVERTISED_100baseT_Full;
1297         if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
1298                 speed_mask |= ADVERTISED_1000baseT_Full;
1299         if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
1300                 speed_mask |= ADVERTISED_2500baseX_Full;
1301         if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
1302                 speed_mask |= ADVERTISED_10000baseT_Full;
1303         if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
1304                 speed_mask |= ADVERTISED_40000baseCR4_Full;
1305
1306         if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
1307                 speed_mask |= ADVERTISED_Pause;
1308         else if (fw_pause & BNXT_LINK_PAUSE_TX)
1309                 speed_mask |= ADVERTISED_Asym_Pause;
1310         else if (fw_pause & BNXT_LINK_PAUSE_RX)
1311                 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
1312
1313         return speed_mask;
1314 }
1315
1316 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
1317 {                                                                       \
1318         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB)                    \
1319                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1320                                                      100baseT_Full);    \
1321         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB)                      \
1322                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1323                                                      1000baseT_Full);   \
1324         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB)                     \
1325                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1326                                                      10000baseT_Full);  \
1327         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB)                     \
1328                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1329                                                      25000baseCR_Full); \
1330         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB)                     \
1331                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1332                                                      40000baseCR4_Full);\
1333         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB)                     \
1334                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1335                                                      50000baseCR2_Full);\
1336         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB)                    \
1337                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1338                                                      100000baseCR4_Full);\
1339         if ((fw_pause) & BNXT_LINK_PAUSE_RX) {                          \
1340                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1341                                                      Pause);            \
1342                 if (!((fw_pause) & BNXT_LINK_PAUSE_TX))                 \
1343                         ethtool_link_ksettings_add_link_mode(           \
1344                                         lk_ksettings, name, Asym_Pause);\
1345         } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) {                   \
1346                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1347                                                      Asym_Pause);       \
1348         }                                                               \
1349 }
1350
1351 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name)          \
1352 {                                                                       \
1353         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1354                                                   100baseT_Full) ||     \
1355             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1356                                                   100baseT_Half))       \
1357                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB;               \
1358         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1359                                                   1000baseT_Full) ||    \
1360             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1361                                                   1000baseT_Half))      \
1362                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB;                 \
1363         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1364                                                   10000baseT_Full))     \
1365                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB;                \
1366         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1367                                                   25000baseCR_Full))    \
1368                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB;                \
1369         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1370                                                   40000baseCR4_Full))   \
1371                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB;                \
1372         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1373                                                   50000baseCR2_Full))   \
1374                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB;                \
1375         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1376                                                   100000baseCR4_Full))  \
1377                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB;               \
1378 }
1379
1380 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
1381                                 struct ethtool_link_ksettings *lk_ksettings)
1382 {
1383         u16 fw_speeds = link_info->advertising;
1384         u8 fw_pause = 0;
1385
1386         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1387                 fw_pause = link_info->auto_pause_setting;
1388
1389         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
1390 }
1391
1392 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
1393                                 struct ethtool_link_ksettings *lk_ksettings)
1394 {
1395         u16 fw_speeds = link_info->lp_auto_link_speeds;
1396         u8 fw_pause = 0;
1397
1398         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1399                 fw_pause = link_info->lp_pause;
1400
1401         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
1402                                 lp_advertising);
1403 }
1404
1405 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
1406                                 struct ethtool_link_ksettings *lk_ksettings)
1407 {
1408         u16 fw_speeds = link_info->support_speeds;
1409
1410         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
1411
1412         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
1413         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1414                                              Asym_Pause);
1415
1416         if (link_info->support_auto_speeds)
1417                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1418                                                      Autoneg);
1419 }
1420
1421 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
1422 {
1423         switch (fw_link_speed) {
1424         case BNXT_LINK_SPEED_100MB:
1425                 return SPEED_100;
1426         case BNXT_LINK_SPEED_1GB:
1427                 return SPEED_1000;
1428         case BNXT_LINK_SPEED_2_5GB:
1429                 return SPEED_2500;
1430         case BNXT_LINK_SPEED_10GB:
1431                 return SPEED_10000;
1432         case BNXT_LINK_SPEED_20GB:
1433                 return SPEED_20000;
1434         case BNXT_LINK_SPEED_25GB:
1435                 return SPEED_25000;
1436         case BNXT_LINK_SPEED_40GB:
1437                 return SPEED_40000;
1438         case BNXT_LINK_SPEED_50GB:
1439                 return SPEED_50000;
1440         case BNXT_LINK_SPEED_100GB:
1441                 return SPEED_100000;
1442         default:
1443                 return SPEED_UNKNOWN;
1444         }
1445 }
1446
1447 static int bnxt_get_link_ksettings(struct net_device *dev,
1448                                    struct ethtool_link_ksettings *lk_ksettings)
1449 {
1450         struct bnxt *bp = netdev_priv(dev);
1451         struct bnxt_link_info *link_info = &bp->link_info;
1452         struct ethtool_link_settings *base = &lk_ksettings->base;
1453         u32 ethtool_speed;
1454
1455         ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1456         mutex_lock(&bp->link_lock);
1457         bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
1458
1459         ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
1460         if (link_info->autoneg) {
1461                 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
1462                 ethtool_link_ksettings_add_link_mode(lk_ksettings,
1463                                                      advertising, Autoneg);
1464                 base->autoneg = AUTONEG_ENABLE;
1465                 if (link_info->phy_link_status == BNXT_LINK_LINK)
1466                         bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
1467                 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1468                 if (!netif_carrier_ok(dev))
1469                         base->duplex = DUPLEX_UNKNOWN;
1470                 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
1471                         base->duplex = DUPLEX_FULL;
1472                 else
1473                         base->duplex = DUPLEX_HALF;
1474         } else {
1475                 base->autoneg = AUTONEG_DISABLE;
1476                 ethtool_speed =
1477                         bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
1478                 base->duplex = DUPLEX_HALF;
1479                 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
1480                         base->duplex = DUPLEX_FULL;
1481         }
1482         base->speed = ethtool_speed;
1483
1484         base->port = PORT_NONE;
1485         if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1486                 base->port = PORT_TP;
1487                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1488                                                      TP);
1489                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1490                                                      TP);
1491         } else {
1492                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1493                                                      FIBRE);
1494                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1495                                                      FIBRE);
1496
1497                 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
1498                         base->port = PORT_DA;
1499                 else if (link_info->media_type ==
1500                          PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
1501                         base->port = PORT_FIBRE;
1502         }
1503         base->phy_address = link_info->phy_addr;
1504         mutex_unlock(&bp->link_lock);
1505
1506         return 0;
1507 }
1508
1509 static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
1510 {
1511         struct bnxt *bp = netdev_priv(dev);
1512         struct bnxt_link_info *link_info = &bp->link_info;
1513         u16 support_spds = link_info->support_speeds;
1514         u32 fw_speed = 0;
1515
1516         switch (ethtool_speed) {
1517         case SPEED_100:
1518                 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1519                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
1520                 break;
1521         case SPEED_1000:
1522                 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1523                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
1524                 break;
1525         case SPEED_2500:
1526                 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1527                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
1528                 break;
1529         case SPEED_10000:
1530                 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1531                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
1532                 break;
1533         case SPEED_20000:
1534                 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1535                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
1536                 break;
1537         case SPEED_25000:
1538                 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1539                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
1540                 break;
1541         case SPEED_40000:
1542                 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1543                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
1544                 break;
1545         case SPEED_50000:
1546                 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
1547                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
1548                 break;
1549         case SPEED_100000:
1550                 if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
1551                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
1552                 break;
1553         default:
1554                 netdev_err(dev, "unsupported speed!\n");
1555                 break;
1556         }
1557         return fw_speed;
1558 }
1559
1560 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
1561 {
1562         u16 fw_speed_mask = 0;
1563
1564         /* only support autoneg at speed 100, 1000, and 10000 */
1565         if (advertising & (ADVERTISED_100baseT_Full |
1566                            ADVERTISED_100baseT_Half)) {
1567                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1568         }
1569         if (advertising & (ADVERTISED_1000baseT_Full |
1570                            ADVERTISED_1000baseT_Half)) {
1571                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1572         }
1573         if (advertising & ADVERTISED_10000baseT_Full)
1574                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1575
1576         if (advertising & ADVERTISED_40000baseCR4_Full)
1577                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1578
1579         return fw_speed_mask;
1580 }
1581
1582 static int bnxt_set_link_ksettings(struct net_device *dev,
1583                            const struct ethtool_link_ksettings *lk_ksettings)
1584 {
1585         struct bnxt *bp = netdev_priv(dev);
1586         struct bnxt_link_info *link_info = &bp->link_info;
1587         const struct ethtool_link_settings *base = &lk_ksettings->base;
1588         bool set_pause = false;
1589         u16 fw_advertising = 0;
1590         u32 speed;
1591         int rc = 0;
1592
1593         if (!BNXT_SINGLE_PF(bp))
1594                 return -EOPNOTSUPP;
1595
1596         mutex_lock(&bp->link_lock);
1597         if (base->autoneg == AUTONEG_ENABLE) {
1598                 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
1599                                         advertising);
1600                 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1601                 if (!fw_advertising)
1602                         link_info->advertising = link_info->support_auto_speeds;
1603                 else
1604                         link_info->advertising = fw_advertising;
1605                 /* any change to autoneg will cause link change, therefore the
1606                  * driver should put back the original pause setting in autoneg
1607                  */
1608                 set_pause = true;
1609         } else {
1610                 u16 fw_speed;
1611                 u8 phy_type = link_info->phy_type;
1612
1613                 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET  ||
1614                     phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1615                     link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1616                         netdev_err(dev, "10GBase-T devices must autoneg\n");
1617                         rc = -EINVAL;
1618                         goto set_setting_exit;
1619                 }
1620                 if (base->duplex == DUPLEX_HALF) {
1621                         netdev_err(dev, "HALF DUPLEX is not supported!\n");
1622                         rc = -EINVAL;
1623                         goto set_setting_exit;
1624                 }
1625                 speed = base->speed;
1626                 fw_speed = bnxt_get_fw_speed(dev, speed);
1627                 if (!fw_speed) {
1628                         rc = -EINVAL;
1629                         goto set_setting_exit;
1630                 }
1631                 link_info->req_link_speed = fw_speed;
1632                 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
1633                 link_info->autoneg = 0;
1634                 link_info->advertising = 0;
1635         }
1636
1637         if (netif_running(dev))
1638                 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
1639
1640 set_setting_exit:
1641         mutex_unlock(&bp->link_lock);
1642         return rc;
1643 }
1644
1645 static void bnxt_get_pauseparam(struct net_device *dev,
1646                                 struct ethtool_pauseparam *epause)
1647 {
1648         struct bnxt *bp = netdev_priv(dev);
1649         struct bnxt_link_info *link_info = &bp->link_info;
1650
1651         if (BNXT_VF(bp))
1652                 return;
1653         epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
1654         epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
1655         epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
1656 }
1657
1658 static int bnxt_set_pauseparam(struct net_device *dev,
1659                                struct ethtool_pauseparam *epause)
1660 {
1661         int rc = 0;
1662         struct bnxt *bp = netdev_priv(dev);
1663         struct bnxt_link_info *link_info = &bp->link_info;
1664
1665         if (!BNXT_SINGLE_PF(bp))
1666                 return -EOPNOTSUPP;
1667
1668         if (epause->autoneg) {
1669                 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
1670                         return -EINVAL;
1671
1672                 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
1673                 if (bp->hwrm_spec_code >= 0x10201)
1674                         link_info->req_flow_ctrl =
1675                                 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
1676         } else {
1677                 /* when transition from auto pause to force pause,
1678                  * force a link change
1679                  */
1680                 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1681                         link_info->force_link_chng = true;
1682                 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
1683                 link_info->req_flow_ctrl = 0;
1684         }
1685         if (epause->rx_pause)
1686                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
1687
1688         if (epause->tx_pause)
1689                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
1690
1691         if (netif_running(dev))
1692                 rc = bnxt_hwrm_set_pause(bp);
1693         return rc;
1694 }
1695
1696 static u32 bnxt_get_link(struct net_device *dev)
1697 {
1698         struct bnxt *bp = netdev_priv(dev);
1699
1700         /* TODO: handle MF, VF, driver close case */
1701         return bp->link_info.link_up;
1702 }
1703
1704 static void bnxt_print_admin_err(struct bnxt *bp)
1705 {
1706         netdev_info(bp->dev, "PF does not have admin privileges to flash or reset the device\n");
1707 }
1708
1709 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1710                                 u16 ext, u16 *index, u32 *item_length,
1711                                 u32 *data_length);
1712
1713 static int bnxt_flash_nvram(struct net_device *dev,
1714                             u16 dir_type,
1715                             u16 dir_ordinal,
1716                             u16 dir_ext,
1717                             u16 dir_attr,
1718                             const u8 *data,
1719                             size_t data_len)
1720 {
1721         struct bnxt *bp = netdev_priv(dev);
1722         int rc;
1723         struct hwrm_nvm_write_input req = {0};
1724         dma_addr_t dma_handle;
1725         u8 *kmem;
1726
1727         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1728
1729         req.dir_type = cpu_to_le16(dir_type);
1730         req.dir_ordinal = cpu_to_le16(dir_ordinal);
1731         req.dir_ext = cpu_to_le16(dir_ext);
1732         req.dir_attr = cpu_to_le16(dir_attr);
1733         req.dir_data_length = cpu_to_le32(data_len);
1734
1735         kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1736                                   GFP_KERNEL);
1737         if (!kmem) {
1738                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1739                            (unsigned)data_len);
1740                 return -ENOMEM;
1741         }
1742         memcpy(kmem, data, data_len);
1743         req.host_src_addr = cpu_to_le64(dma_handle);
1744
1745         rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1746         dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1747
1748         if (rc == -EACCES)
1749                 bnxt_print_admin_err(bp);
1750         return rc;
1751 }
1752
1753 static int bnxt_firmware_reset(struct net_device *dev,
1754                                u16 dir_type)
1755 {
1756         struct hwrm_fw_reset_input req = {0};
1757         struct bnxt *bp = netdev_priv(dev);
1758         int rc;
1759
1760         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1761
1762         /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1763         /*       (e.g. when firmware isn't already running) */
1764         switch (dir_type) {
1765         case BNX_DIR_TYPE_CHIMP_PATCH:
1766         case BNX_DIR_TYPE_BOOTCODE:
1767         case BNX_DIR_TYPE_BOOTCODE_2:
1768                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1769                 /* Self-reset ChiMP upon next PCIe reset: */
1770                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1771                 break;
1772         case BNX_DIR_TYPE_APE_FW:
1773         case BNX_DIR_TYPE_APE_PATCH:
1774                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1775                 /* Self-reset APE upon next PCIe reset: */
1776                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1777                 break;
1778         case BNX_DIR_TYPE_KONG_FW:
1779         case BNX_DIR_TYPE_KONG_PATCH:
1780                 req.embedded_proc_type =
1781                         FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1782                 break;
1783         case BNX_DIR_TYPE_BONO_FW:
1784         case BNX_DIR_TYPE_BONO_PATCH:
1785                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1786                 break;
1787         case BNXT_FW_RESET_CHIP:
1788                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP;
1789                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP;
1790                 break;
1791         case BNXT_FW_RESET_AP:
1792                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP;
1793                 break;
1794         default:
1795                 return -EINVAL;
1796         }
1797
1798         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1799         if (rc == -EACCES)
1800                 bnxt_print_admin_err(bp);
1801         return rc;
1802 }
1803
1804 static int bnxt_flash_firmware(struct net_device *dev,
1805                                u16 dir_type,
1806                                const u8 *fw_data,
1807                                size_t fw_size)
1808 {
1809         int     rc = 0;
1810         u16     code_type;
1811         u32     stored_crc;
1812         u32     calculated_crc;
1813         struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1814
1815         switch (dir_type) {
1816         case BNX_DIR_TYPE_BOOTCODE:
1817         case BNX_DIR_TYPE_BOOTCODE_2:
1818                 code_type = CODE_BOOT;
1819                 break;
1820         case BNX_DIR_TYPE_CHIMP_PATCH:
1821                 code_type = CODE_CHIMP_PATCH;
1822                 break;
1823         case BNX_DIR_TYPE_APE_FW:
1824                 code_type = CODE_MCTP_PASSTHRU;
1825                 break;
1826         case BNX_DIR_TYPE_APE_PATCH:
1827                 code_type = CODE_APE_PATCH;
1828                 break;
1829         case BNX_DIR_TYPE_KONG_FW:
1830                 code_type = CODE_KONG_FW;
1831                 break;
1832         case BNX_DIR_TYPE_KONG_PATCH:
1833                 code_type = CODE_KONG_PATCH;
1834                 break;
1835         case BNX_DIR_TYPE_BONO_FW:
1836                 code_type = CODE_BONO_FW;
1837                 break;
1838         case BNX_DIR_TYPE_BONO_PATCH:
1839                 code_type = CODE_BONO_PATCH;
1840                 break;
1841         default:
1842                 netdev_err(dev, "Unsupported directory entry type: %u\n",
1843                            dir_type);
1844                 return -EINVAL;
1845         }
1846         if (fw_size < sizeof(struct bnxt_fw_header)) {
1847                 netdev_err(dev, "Invalid firmware file size: %u\n",
1848                            (unsigned int)fw_size);
1849                 return -EINVAL;
1850         }
1851         if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1852                 netdev_err(dev, "Invalid firmware signature: %08X\n",
1853                            le32_to_cpu(header->signature));
1854                 return -EINVAL;
1855         }
1856         if (header->code_type != code_type) {
1857                 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1858                            code_type, header->code_type);
1859                 return -EINVAL;
1860         }
1861         if (header->device != DEVICE_CUMULUS_FAMILY) {
1862                 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1863                            DEVICE_CUMULUS_FAMILY, header->device);
1864                 return -EINVAL;
1865         }
1866         /* Confirm the CRC32 checksum of the file: */
1867         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1868                                              sizeof(stored_crc)));
1869         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1870         if (calculated_crc != stored_crc) {
1871                 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1872                            (unsigned long)stored_crc,
1873                            (unsigned long)calculated_crc);
1874                 return -EINVAL;
1875         }
1876         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1877                               0, 0, fw_data, fw_size);
1878         if (rc == 0)    /* Firmware update successful */
1879                 rc = bnxt_firmware_reset(dev, dir_type);
1880
1881         return rc;
1882 }
1883
1884 static int bnxt_flash_microcode(struct net_device *dev,
1885                                 u16 dir_type,
1886                                 const u8 *fw_data,
1887                                 size_t fw_size)
1888 {
1889         struct bnxt_ucode_trailer *trailer;
1890         u32 calculated_crc;
1891         u32 stored_crc;
1892         int rc = 0;
1893
1894         if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
1895                 netdev_err(dev, "Invalid microcode file size: %u\n",
1896                            (unsigned int)fw_size);
1897                 return -EINVAL;
1898         }
1899         trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
1900                                                 sizeof(*trailer)));
1901         if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
1902                 netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
1903                            le32_to_cpu(trailer->sig));
1904                 return -EINVAL;
1905         }
1906         if (le16_to_cpu(trailer->dir_type) != dir_type) {
1907                 netdev_err(dev, "Expected microcode type: %d, read: %d\n",
1908                            dir_type, le16_to_cpu(trailer->dir_type));
1909                 return -EINVAL;
1910         }
1911         if (le16_to_cpu(trailer->trailer_length) <
1912                 sizeof(struct bnxt_ucode_trailer)) {
1913                 netdev_err(dev, "Invalid microcode trailer length: %d\n",
1914                            le16_to_cpu(trailer->trailer_length));
1915                 return -EINVAL;
1916         }
1917
1918         /* Confirm the CRC32 checksum of the file: */
1919         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1920                                              sizeof(stored_crc)));
1921         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1922         if (calculated_crc != stored_crc) {
1923                 netdev_err(dev,
1924                            "CRC32 (%08lX) does not match calculated: %08lX\n",
1925                            (unsigned long)stored_crc,
1926                            (unsigned long)calculated_crc);
1927                 return -EINVAL;
1928         }
1929         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1930                               0, 0, fw_data, fw_size);
1931
1932         return rc;
1933 }
1934
1935 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1936 {
1937         switch (dir_type) {
1938         case BNX_DIR_TYPE_CHIMP_PATCH:
1939         case BNX_DIR_TYPE_BOOTCODE:
1940         case BNX_DIR_TYPE_BOOTCODE_2:
1941         case BNX_DIR_TYPE_APE_FW:
1942         case BNX_DIR_TYPE_APE_PATCH:
1943         case BNX_DIR_TYPE_KONG_FW:
1944         case BNX_DIR_TYPE_KONG_PATCH:
1945         case BNX_DIR_TYPE_BONO_FW:
1946         case BNX_DIR_TYPE_BONO_PATCH:
1947                 return true;
1948         }
1949
1950         return false;
1951 }
1952
1953 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
1954 {
1955         switch (dir_type) {
1956         case BNX_DIR_TYPE_AVS:
1957         case BNX_DIR_TYPE_EXP_ROM_MBA:
1958         case BNX_DIR_TYPE_PCIE:
1959         case BNX_DIR_TYPE_TSCF_UCODE:
1960         case BNX_DIR_TYPE_EXT_PHY:
1961         case BNX_DIR_TYPE_CCM:
1962         case BNX_DIR_TYPE_ISCSI_BOOT:
1963         case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1964         case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1965                 return true;
1966         }
1967
1968         return false;
1969 }
1970
1971 static bool bnxt_dir_type_is_executable(u16 dir_type)
1972 {
1973         return bnxt_dir_type_is_ape_bin_format(dir_type) ||
1974                 bnxt_dir_type_is_other_exec_format(dir_type);
1975 }
1976
1977 static int bnxt_flash_firmware_from_file(struct net_device *dev,
1978                                          u16 dir_type,
1979                                          const char *filename)
1980 {
1981         const struct firmware  *fw;
1982         int                     rc;
1983
1984         rc = request_firmware(&fw, filename, &dev->dev);
1985         if (rc != 0) {
1986                 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1987                            rc, filename);
1988                 return rc;
1989         }
1990         if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1991                 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1992         else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
1993                 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
1994         else
1995                 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1996                                       0, 0, fw->data, fw->size);
1997         release_firmware(fw);
1998         return rc;
1999 }
2000
2001 static int bnxt_flash_package_from_file(struct net_device *dev,
2002                                         char *filename, u32 install_type)
2003 {
2004         struct bnxt *bp = netdev_priv(dev);
2005         struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
2006         struct hwrm_nvm_install_update_input install = {0};
2007         const struct firmware *fw;
2008         u32 item_len;
2009         int rc = 0;
2010         u16 index;
2011
2012         bnxt_hwrm_fw_set_time(bp);
2013
2014         if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
2015                                  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2016                                  &index, &item_len, NULL) != 0) {
2017                 netdev_err(dev, "PKG update area not created in nvram\n");
2018                 return -ENOBUFS;
2019         }
2020
2021         rc = request_firmware(&fw, filename, &dev->dev);
2022         if (rc != 0) {
2023                 netdev_err(dev, "PKG error %d requesting file: %s\n",
2024                            rc, filename);
2025                 return rc;
2026         }
2027
2028         if (fw->size > item_len) {
2029                 netdev_err(dev, "PKG insufficient update area in nvram: %lu",
2030                            (unsigned long)fw->size);
2031                 rc = -EFBIG;
2032         } else {
2033                 dma_addr_t dma_handle;
2034                 u8 *kmem;
2035                 struct hwrm_nvm_modify_input modify = {0};
2036
2037                 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);
2038
2039                 modify.dir_idx = cpu_to_le16(index);
2040                 modify.len = cpu_to_le32(fw->size);
2041
2042                 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
2043                                           &dma_handle, GFP_KERNEL);
2044                 if (!kmem) {
2045                         netdev_err(dev,
2046                                    "dma_alloc_coherent failure, length = %u\n",
2047                                    (unsigned int)fw->size);
2048                         rc = -ENOMEM;
2049                 } else {
2050                         memcpy(kmem, fw->data, fw->size);
2051                         modify.host_src_addr = cpu_to_le64(dma_handle);
2052
2053                         rc = hwrm_send_message(bp, &modify, sizeof(modify),
2054                                                FLASH_PACKAGE_TIMEOUT);
2055                         dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
2056                                           dma_handle);
2057                 }
2058         }
2059         release_firmware(fw);
2060         if (rc)
2061                 goto err_exit;
2062
2063         if ((install_type & 0xffff) == 0)
2064                 install_type >>= 16;
2065         bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
2066         install.install_type = cpu_to_le32(install_type);
2067
2068         mutex_lock(&bp->hwrm_cmd_lock);
2069         rc = _hwrm_send_message(bp, &install, sizeof(install),
2070                                 INSTALL_PACKAGE_TIMEOUT);
2071         if (rc) {
2072                 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
2073
2074                 if (resp->error_code && error_code ==
2075                     NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
2076                         install.flags |= cpu_to_le16(
2077                                NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
2078                         rc = _hwrm_send_message(bp, &install, sizeof(install),
2079                                                 INSTALL_PACKAGE_TIMEOUT);
2080                 }
2081                 if (rc)
2082                         goto flash_pkg_exit;
2083         }
2084
2085         if (resp->result) {
2086                 netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
2087                            (s8)resp->result, (int)resp->problem_item);
2088                 rc = -ENOPKG;
2089         }
2090 flash_pkg_exit:
2091         mutex_unlock(&bp->hwrm_cmd_lock);
2092 err_exit:
2093         if (rc == -EACCES)
2094                 bnxt_print_admin_err(bp);
2095         return rc;
2096 }
2097
2098 static int bnxt_flash_device(struct net_device *dev,
2099                              struct ethtool_flash *flash)
2100 {
2101         if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
2102                 netdev_err(dev, "flashdev not supported from a virtual function\n");
2103                 return -EINVAL;
2104         }
2105
2106         if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
2107             flash->region > 0xffff)
2108                 return bnxt_flash_package_from_file(dev, flash->data,
2109                                                     flash->region);
2110
2111         return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
2112 }
2113
2114 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
2115 {
2116         struct bnxt *bp = netdev_priv(dev);
2117         int rc;
2118         struct hwrm_nvm_get_dir_info_input req = {0};
2119         struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
2120
2121         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
2122
2123         mutex_lock(&bp->hwrm_cmd_lock);
2124         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2125         if (!rc) {
2126                 *entries = le32_to_cpu(output->entries);
2127                 *length = le32_to_cpu(output->entry_length);
2128         }
2129         mutex_unlock(&bp->hwrm_cmd_lock);
2130         return rc;
2131 }
2132
2133 static int bnxt_get_eeprom_len(struct net_device *dev)
2134 {
2135         struct bnxt *bp = netdev_priv(dev);
2136
2137         if (BNXT_VF(bp))
2138                 return 0;
2139
2140         /* The -1 return value allows the entire 32-bit range of offsets to be
2141          * passed via the ethtool command-line utility.
2142          */
2143         return -1;
2144 }
2145
2146 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
2147 {
2148         struct bnxt *bp = netdev_priv(dev);
2149         int rc;
2150         u32 dir_entries;
2151         u32 entry_length;
2152         u8 *buf;
2153         size_t buflen;
2154         dma_addr_t dma_handle;
2155         struct hwrm_nvm_get_dir_entries_input req = {0};
2156
2157         rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
2158         if (rc != 0)
2159                 return rc;
2160
2161         /* Insert 2 bytes of directory info (count and size of entries) */
2162         if (len < 2)
2163                 return -EINVAL;
2164
2165         *data++ = dir_entries;
2166         *data++ = entry_length;
2167         len -= 2;
2168         memset(data, 0xff, len);
2169
2170         buflen = dir_entries * entry_length;
2171         buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
2172                                  GFP_KERNEL);
2173         if (!buf) {
2174                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
2175                            (unsigned)buflen);
2176                 return -ENOMEM;
2177         }
2178         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
2179         req.host_dest_addr = cpu_to_le64(dma_handle);
2180         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2181         if (rc == 0)
2182                 memcpy(data, buf, len > buflen ? buflen : len);
2183         dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
2184         return rc;
2185 }
2186
2187 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
2188                                u32 length, u8 *data)
2189 {
2190         struct bnxt *bp = netdev_priv(dev);
2191         int rc;
2192         u8 *buf;
2193         dma_addr_t dma_handle;
2194         struct hwrm_nvm_read_input req = {0};
2195
2196         if (!length)
2197                 return -EINVAL;
2198
2199         buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
2200                                  GFP_KERNEL);
2201         if (!buf) {
2202                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
2203                            (unsigned)length);
2204                 return -ENOMEM;
2205         }
2206         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
2207         req.host_dest_addr = cpu_to_le64(dma_handle);
2208         req.dir_idx = cpu_to_le16(index);
2209         req.offset = cpu_to_le32(offset);
2210         req.len = cpu_to_le32(length);
2211
2212         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2213         if (rc == 0)
2214                 memcpy(data, buf, length);
2215         dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
2216         return rc;
2217 }
2218
2219 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
2220                                 u16 ext, u16 *index, u32 *item_length,
2221                                 u32 *data_length)
2222 {
2223         struct bnxt *bp = netdev_priv(dev);
2224         int rc;
2225         struct hwrm_nvm_find_dir_entry_input req = {0};
2226         struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
2227
2228         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
2229         req.enables = 0;
2230         req.dir_idx = 0;
2231         req.dir_type = cpu_to_le16(type);
2232         req.dir_ordinal = cpu_to_le16(ordinal);
2233         req.dir_ext = cpu_to_le16(ext);
2234         req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
2235         mutex_lock(&bp->hwrm_cmd_lock);
2236         rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2237         if (rc == 0) {
2238                 if (index)
2239                         *index = le16_to_cpu(output->dir_idx);
2240                 if (item_length)
2241                         *item_length = le32_to_cpu(output->dir_item_length);
2242                 if (data_length)
2243                         *data_length = le32_to_cpu(output->dir_data_length);
2244         }
2245         mutex_unlock(&bp->hwrm_cmd_lock);
2246         return rc;
2247 }
2248
2249 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
2250 {
2251         char    *retval = NULL;
2252         char    *p;
2253         char    *value;
2254         int     field = 0;
2255
2256         if (datalen < 1)
2257                 return NULL;
2258         /* null-terminate the log data (removing last '\n'): */
2259         data[datalen - 1] = 0;
2260         for (p = data; *p != 0; p++) {
2261                 field = 0;
2262                 retval = NULL;
2263                 while (*p != 0 && *p != '\n') {
2264                         value = p;
2265                         while (*p != 0 && *p != '\t' && *p != '\n')
2266                                 p++;
2267                         if (field == desired_field)
2268                                 retval = value;
2269                         if (*p != '\t')
2270                                 break;
2271                         *p = 0;
2272                         field++;
2273                         p++;
2274                 }
2275                 if (*p == 0)
2276                         break;
2277                 *p = 0;
2278         }
2279         return retval;
2280 }
2281
2282 static void bnxt_get_pkgver(struct net_device *dev)
2283 {
2284         struct bnxt *bp = netdev_priv(dev);
2285         u16 index = 0;
2286         char *pkgver;
2287         u32 pkglen;
2288         u8 *pkgbuf;
2289         int len;
2290
2291         if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
2292                                  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2293                                  &index, NULL, &pkglen) != 0)
2294                 return;
2295
2296         pkgbuf = kzalloc(pkglen, GFP_KERNEL);
2297         if (!pkgbuf) {
2298                 dev_err(&bp->pdev->dev, "Unable to allocate memory for pkg version, length = %u\n",
2299                         pkglen);
2300                 return;
2301         }
2302
2303         if (bnxt_get_nvram_item(dev, index, 0, pkglen, pkgbuf))
2304                 goto err;
2305
2306         pkgver = bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, pkgbuf,
2307                                    pkglen);
2308         if (pkgver && *pkgver != 0 && isdigit(*pkgver)) {
2309                 len = strlen(bp->fw_ver_str);
2310                 snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1,
2311                          "/pkg %s", pkgver);
2312         }
2313 err:
2314         kfree(pkgbuf);
2315 }
2316
2317 static int bnxt_get_eeprom(struct net_device *dev,
2318                            struct ethtool_eeprom *eeprom,
2319                            u8 *data)
2320 {
2321         u32 index;
2322         u32 offset;
2323
2324         if (eeprom->offset == 0) /* special offset value to get directory */
2325                 return bnxt_get_nvram_directory(dev, eeprom->len, data);
2326
2327         index = eeprom->offset >> 24;
2328         offset = eeprom->offset & 0xffffff;
2329
2330         if (index == 0) {
2331                 netdev_err(dev, "unsupported index value: %d\n", index);
2332                 return -EINVAL;
2333         }
2334
2335         return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
2336 }
2337
2338 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
2339 {
2340         struct bnxt *bp = netdev_priv(dev);
2341         struct hwrm_nvm_erase_dir_entry_input req = {0};
2342
2343         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
2344         req.dir_idx = cpu_to_le16(index);
2345         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2346 }
2347
2348 static int bnxt_set_eeprom(struct net_device *dev,
2349                            struct ethtool_eeprom *eeprom,
2350                            u8 *data)
2351 {
2352         struct bnxt *bp = netdev_priv(dev);
2353         u8 index, dir_op;
2354         u16 type, ext, ordinal, attr;
2355
2356         if (!BNXT_PF(bp)) {
2357                 netdev_err(dev, "NVM write not supported from a virtual function\n");
2358                 return -EINVAL;
2359         }
2360
2361         type = eeprom->magic >> 16;
2362
2363         if (type == 0xffff) { /* special value for directory operations */
2364                 index = eeprom->magic & 0xff;
2365                 dir_op = eeprom->magic >> 8;
2366                 if (index == 0)
2367                         return -EINVAL;
2368                 switch (dir_op) {
2369                 case 0x0e: /* erase */
2370                         if (eeprom->offset != ~eeprom->magic)
2371                                 return -EINVAL;
2372                         return bnxt_erase_nvram_directory(dev, index - 1);
2373                 default:
2374                         return -EINVAL;
2375                 }
2376         }
2377
2378         /* Create or re-write an NVM item: */
2379         if (bnxt_dir_type_is_executable(type) == true)
2380                 return -EOPNOTSUPP;
2381         ext = eeprom->magic & 0xffff;
2382         ordinal = eeprom->offset >> 16;
2383         attr = eeprom->offset & 0xffff;
2384
2385         return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
2386                                 eeprom->len);
2387 }
2388
2389 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
2390 {
2391         struct bnxt *bp = netdev_priv(dev);
2392         struct ethtool_eee *eee = &bp->eee;
2393         struct bnxt_link_info *link_info = &bp->link_info;
2394         u32 advertising =
2395                  _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
2396         int rc = 0;
2397
2398         if (!BNXT_SINGLE_PF(bp))
2399                 return -EOPNOTSUPP;
2400
2401         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
2402                 return -EOPNOTSUPP;
2403
2404         if (!edata->eee_enabled)
2405                 goto eee_ok;
2406
2407         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
2408                 netdev_warn(dev, "EEE requires autoneg\n");
2409                 return -EINVAL;
2410         }
2411         if (edata->tx_lpi_enabled) {
2412                 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
2413                                        edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
2414                         netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
2415                                     bp->lpi_tmr_lo, bp->lpi_tmr_hi);
2416                         return -EINVAL;
2417                 } else if (!bp->lpi_tmr_hi) {
2418                         edata->tx_lpi_timer = eee->tx_lpi_timer;
2419                 }
2420         }
2421         if (!edata->advertised) {
2422                 edata->advertised = advertising & eee->supported;
2423         } else if (edata->advertised & ~advertising) {
2424                 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
2425                             edata->advertised, advertising);
2426                 return -EINVAL;
2427         }
2428
2429         eee->advertised = edata->advertised;
2430         eee->tx_lpi_enabled = edata->tx_lpi_enabled;
2431         eee->tx_lpi_timer = edata->tx_lpi_timer;
2432 eee_ok:
2433         eee->eee_enabled = edata->eee_enabled;
2434
2435         if (netif_running(dev))
2436                 rc = bnxt_hwrm_set_link_setting(bp, false, true);
2437
2438         return rc;
2439 }
2440
2441 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
2442 {
2443         struct bnxt *bp = netdev_priv(dev);
2444
2445         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
2446                 return -EOPNOTSUPP;
2447
2448         *edata = bp->eee;
2449         if (!bp->eee.eee_enabled) {
2450                 /* Preserve tx_lpi_timer so that the last value will be used
2451                  * by default when it is re-enabled.
2452                  */
2453                 edata->advertised = 0;
2454                 edata->tx_lpi_enabled = 0;
2455         }
2456
2457         if (!bp->eee.eee_active)
2458                 edata->lp_advertised = 0;
2459
2460         return 0;
2461 }
2462
2463 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
2464                                             u16 page_number, u16 start_addr,
2465                                             u16 data_length, u8 *buf)
2466 {
2467         struct hwrm_port_phy_i2c_read_input req = {0};
2468         struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2469         int rc, byte_offset = 0;
2470
2471         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2472         req.i2c_slave_addr = i2c_addr;
2473         req.page_number = cpu_to_le16(page_number);
2474         req.port_id = cpu_to_le16(bp->pf.port_id);
2475         do {
2476                 u16 xfer_size;
2477
2478                 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
2479                 data_length -= xfer_size;
2480                 req.page_offset = cpu_to_le16(start_addr + byte_offset);
2481                 req.data_length = xfer_size;
2482                 req.enables = cpu_to_le32(start_addr + byte_offset ?
2483                                  PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
2484                 mutex_lock(&bp->hwrm_cmd_lock);
2485                 rc = _hwrm_send_message(bp, &req, sizeof(req),
2486                                         HWRM_CMD_TIMEOUT);
2487                 if (!rc)
2488                         memcpy(buf + byte_offset, output->data, xfer_size);
2489                 mutex_unlock(&bp->hwrm_cmd_lock);
2490                 byte_offset += xfer_size;
2491         } while (!rc && data_length > 0);
2492
2493         return rc;
2494 }
2495
2496 static int bnxt_get_module_info(struct net_device *dev,
2497                                 struct ethtool_modinfo *modinfo)
2498 {
2499         u8 data[SFF_DIAG_SUPPORT_OFFSET + 1];
2500         struct bnxt *bp = netdev_priv(dev);
2501         int rc;
2502
2503         /* No point in going further if phy status indicates
2504          * module is not inserted or if it is powered down or
2505          * if it is of type 10GBase-T
2506          */
2507         if (bp->link_info.module_status >
2508                 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
2509                 return -EOPNOTSUPP;
2510
2511         /* This feature is not supported in older firmware versions */
2512         if (bp->hwrm_spec_code < 0x10202)
2513                 return -EOPNOTSUPP;
2514
2515         rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0,
2516                                               SFF_DIAG_SUPPORT_OFFSET + 1,
2517                                               data);
2518         if (!rc) {
2519                 u8 module_id = data[0];
2520                 u8 diag_supported = data[SFF_DIAG_SUPPORT_OFFSET];
2521
2522                 switch (module_id) {
2523                 case SFF_MODULE_ID_SFP:
2524                         modinfo->type = ETH_MODULE_SFF_8472;
2525                         modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2526                         if (!diag_supported)
2527                                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2528                         break;
2529                 case SFF_MODULE_ID_QSFP:
2530                 case SFF_MODULE_ID_QSFP_PLUS:
2531                         modinfo->type = ETH_MODULE_SFF_8436;
2532                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2533                         break;
2534                 case SFF_MODULE_ID_QSFP28:
2535                         modinfo->type = ETH_MODULE_SFF_8636;
2536                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2537                         break;
2538                 default:
2539                         rc = -EOPNOTSUPP;
2540                         break;
2541                 }
2542         }
2543         return rc;
2544 }
2545
2546 static int bnxt_get_module_eeprom(struct net_device *dev,
2547                                   struct ethtool_eeprom *eeprom,
2548                                   u8 *data)
2549 {
2550         struct bnxt *bp = netdev_priv(dev);
2551         u16  start = eeprom->offset, length = eeprom->len;
2552         int rc = 0;
2553
2554         memset(data, 0, eeprom->len);
2555
2556         /* Read A0 portion of the EEPROM */
2557         if (start < ETH_MODULE_SFF_8436_LEN) {
2558                 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
2559                         length = ETH_MODULE_SFF_8436_LEN - start;
2560                 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
2561                                                       start, length, data);
2562                 if (rc)
2563                         return rc;
2564                 start += length;
2565                 data += length;
2566                 length = eeprom->len - length;
2567         }
2568
2569         /* Read A2 portion of the EEPROM */
2570         if (length) {
2571                 start -= ETH_MODULE_SFF_8436_LEN;
2572                 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1,
2573                                                       start, length, data);
2574         }
2575         return rc;
2576 }
2577
2578 static int bnxt_nway_reset(struct net_device *dev)
2579 {
2580         int rc = 0;
2581
2582         struct bnxt *bp = netdev_priv(dev);
2583         struct bnxt_link_info *link_info = &bp->link_info;
2584
2585         if (!BNXT_SINGLE_PF(bp))
2586                 return -EOPNOTSUPP;
2587
2588         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
2589                 return -EINVAL;
2590
2591         if (netif_running(dev))
2592                 rc = bnxt_hwrm_set_link_setting(bp, true, false);
2593
2594         return rc;
2595 }
2596
2597 static int bnxt_set_phys_id(struct net_device *dev,
2598                             enum ethtool_phys_id_state state)
2599 {
2600         struct hwrm_port_led_cfg_input req = {0};
2601         struct bnxt *bp = netdev_priv(dev);
2602         struct bnxt_pf_info *pf = &bp->pf;
2603         struct bnxt_led_cfg *led_cfg;
2604         u8 led_state;
2605         __le16 duration;
2606         int i, rc;
2607
2608         if (!bp->num_leds || BNXT_VF(bp))
2609                 return -EOPNOTSUPP;
2610
2611         if (state == ETHTOOL_ID_ACTIVE) {
2612                 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
2613                 duration = cpu_to_le16(500);
2614         } else if (state == ETHTOOL_ID_INACTIVE) {
2615                 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
2616                 duration = cpu_to_le16(0);
2617         } else {
2618                 return -EINVAL;
2619         }
2620         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
2621         req.port_id = cpu_to_le16(pf->port_id);
2622         req.num_leds = bp->num_leds;
2623         led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
2624         for (i = 0; i < bp->num_leds; i++, led_cfg++) {
2625                 req.enables |= BNXT_LED_DFLT_ENABLES(i);
2626                 led_cfg->led_id = bp->leds[i].led_id;
2627                 led_cfg->led_state = led_state;
2628                 led_cfg->led_blink_on = duration;
2629                 led_cfg->led_blink_off = duration;
2630                 led_cfg->led_group_id = bp->leds[i].led_group_id;
2631         }
2632         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2633         return rc;
2634 }
2635
2636 static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
2637 {
2638         struct hwrm_selftest_irq_input req = {0};
2639
2640         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
2641         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2642 }
2643
2644 static int bnxt_test_irq(struct bnxt *bp)
2645 {
2646         int i;
2647
2648         for (i = 0; i < bp->cp_nr_rings; i++) {
2649                 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
2650                 int rc;
2651
2652                 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
2653                 if (rc)
2654                         return rc;
2655         }
2656         return 0;
2657 }
2658
2659 static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
2660 {
2661         struct hwrm_port_mac_cfg_input req = {0};
2662
2663         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1);
2664
2665         req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
2666         if (enable)
2667                 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
2668         else
2669                 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
2670         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2671 }
2672
2673 static int bnxt_query_force_speeds(struct bnxt *bp, u16 *force_speeds)
2674 {
2675         struct hwrm_port_phy_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
2676         struct hwrm_port_phy_qcaps_input req = {0};
2677         int rc;
2678
2679         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_QCAPS, -1, -1);
2680         mutex_lock(&bp->hwrm_cmd_lock);
2681         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2682         if (!rc)
2683                 *force_speeds = le16_to_cpu(resp->supported_speeds_force_mode);
2684
2685         mutex_unlock(&bp->hwrm_cmd_lock);
2686         return rc;
2687 }
2688
2689 static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
2690                                     struct hwrm_port_phy_cfg_input *req)
2691 {
2692         struct bnxt_link_info *link_info = &bp->link_info;
2693         u16 fw_advertising;
2694         u16 fw_speed;
2695         int rc;
2696
2697         if (!link_info->autoneg)
2698                 return 0;
2699
2700         rc = bnxt_query_force_speeds(bp, &fw_advertising);
2701         if (rc)
2702                 return rc;
2703
2704         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
2705         if (netif_carrier_ok(bp->dev))
2706                 fw_speed = bp->link_info.link_speed;
2707         else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
2708                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
2709         else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
2710                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
2711         else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
2712                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
2713         else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
2714                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
2715
2716         req->force_link_speed = cpu_to_le16(fw_speed);
2717         req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
2718                                   PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
2719         rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT);
2720         req->flags = 0;
2721         req->force_link_speed = cpu_to_le16(0);
2722         return rc;
2723 }
2724
2725 static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
2726 {
2727         struct hwrm_port_phy_cfg_input req = {0};
2728
2729         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
2730
2731         if (enable) {
2732                 bnxt_disable_an_for_lpbk(bp, &req);
2733                 if (ext)
2734                         req.lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
2735                 else
2736                         req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2737         } else {
2738                 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
2739         }
2740         req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
2741         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2742 }
2743
2744 static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
2745                             u32 raw_cons, int pkt_size)
2746 {
2747         struct bnxt_napi *bnapi = cpr->bnapi;
2748         struct bnxt_rx_ring_info *rxr;
2749         struct bnxt_sw_rx_bd *rx_buf;
2750         struct rx_cmp *rxcmp;
2751         u16 cp_cons, cons;
2752         u8 *data;
2753         u32 len;
2754         int i;
2755
2756         rxr = bnapi->rx_ring;
2757         cp_cons = RING_CMP(raw_cons);
2758         rxcmp = (struct rx_cmp *)
2759                 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
2760         cons = rxcmp->rx_cmp_opaque;
2761         rx_buf = &rxr->rx_buf_ring[cons];
2762         data = rx_buf->data_ptr;
2763         len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
2764         if (len != pkt_size)
2765                 return -EIO;
2766         i = ETH_ALEN;
2767         if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
2768                 return -EIO;
2769         i += ETH_ALEN;
2770         for (  ; i < pkt_size; i++) {
2771                 if (data[i] != (u8)(i & 0xff))
2772                         return -EIO;
2773         }
2774         return 0;
2775 }
2776
2777 static int bnxt_poll_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
2778                               int pkt_size)
2779 {
2780         struct tx_cmp *txcmp;
2781         int rc = -EIO;
2782         u32 raw_cons;
2783         u32 cons;
2784         int i;
2785
2786         raw_cons = cpr->cp_raw_cons;
2787         for (i = 0; i < 200; i++) {
2788                 cons = RING_CMP(raw_cons);
2789                 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
2790
2791                 if (!TX_CMP_VALID(txcmp, raw_cons)) {
2792                         udelay(5);
2793                         continue;
2794                 }
2795
2796                 /* The valid test of the entry must be done first before
2797                  * reading any further.
2798                  */
2799                 dma_rmb();
2800                 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
2801                         rc = bnxt_rx_loopback(bp, cpr, raw_cons, pkt_size);
2802                         raw_cons = NEXT_RAW_CMP(raw_cons);
2803                         raw_cons = NEXT_RAW_CMP(raw_cons);
2804                         break;
2805                 }
2806                 raw_cons = NEXT_RAW_CMP(raw_cons);
2807         }
2808         cpr->cp_raw_cons = raw_cons;
2809         return rc;
2810 }
2811
2812 static int bnxt_run_loopback(struct bnxt *bp)
2813 {
2814         struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
2815         struct bnxt_rx_ring_info *rxr = &bp->rx_ring[0];
2816         struct bnxt_cp_ring_info *cpr;
2817         int pkt_size, i = 0;
2818         struct sk_buff *skb;
2819         dma_addr_t map;
2820         u8 *data;
2821         int rc;
2822
2823         cpr = &rxr->bnapi->cp_ring;
2824         if (bp->flags & BNXT_FLAG_CHIP_P5)
2825                 cpr = cpr->cp_ring_arr[BNXT_RX_HDL];
2826         pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
2827         skb = netdev_alloc_skb(bp->dev, pkt_size);
2828         if (!skb)
2829                 return -ENOMEM;
2830         data = skb_put(skb, pkt_size);
2831         eth_broadcast_addr(data);
2832         i += ETH_ALEN;
2833         ether_addr_copy(&data[i], bp->dev->dev_addr);
2834         i += ETH_ALEN;
2835         for ( ; i < pkt_size; i++)
2836                 data[i] = (u8)(i & 0xff);
2837
2838         map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
2839                              PCI_DMA_TODEVICE);
2840         if (dma_mapping_error(&bp->pdev->dev, map)) {
2841                 dev_kfree_skb(skb);
2842                 return -EIO;
2843         }
2844         bnxt_xmit_bd(bp, txr, map, pkt_size);
2845
2846         /* Sync BD data before updating doorbell */
2847         wmb();
2848
2849         bnxt_db_write(bp, &txr->tx_db, txr->tx_prod);
2850         rc = bnxt_poll_loopback(bp, cpr, pkt_size);
2851
2852         dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
2853         dev_kfree_skb(skb);
2854         return rc;
2855 }
2856
2857 static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
2858 {
2859         struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr;
2860         struct hwrm_selftest_exec_input req = {0};
2861         int rc;
2862
2863         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1);
2864         mutex_lock(&bp->hwrm_cmd_lock);
2865         resp->test_success = 0;
2866         req.flags = test_mask;
2867         rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout);
2868         *test_results = resp->test_success;
2869         mutex_unlock(&bp->hwrm_cmd_lock);
2870         return rc;
2871 }
2872
2873 #define BNXT_DRV_TESTS                  4
2874 #define BNXT_MACLPBK_TEST_IDX           (bp->num_tests - BNXT_DRV_TESTS)
2875 #define BNXT_PHYLPBK_TEST_IDX           (BNXT_MACLPBK_TEST_IDX + 1)
2876 #define BNXT_EXTLPBK_TEST_IDX           (BNXT_MACLPBK_TEST_IDX + 2)
2877 #define BNXT_IRQ_TEST_IDX               (BNXT_MACLPBK_TEST_IDX + 3)
2878
2879 static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
2880                            u64 *buf)
2881 {
2882         struct bnxt *bp = netdev_priv(dev);
2883         bool do_ext_lpbk = false;
2884         bool offline = false;
2885         u8 test_results = 0;
2886         u8 test_mask = 0;
2887         int rc = 0, i;
2888
2889         if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
2890                 return;
2891         memset(buf, 0, sizeof(u64) * bp->num_tests);
2892         if (!netif_running(dev)) {
2893                 etest->flags |= ETH_TEST_FL_FAILED;
2894                 return;
2895         }
2896
2897         if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
2898             (bp->test_info->flags & BNXT_TEST_FL_EXT_LPBK))
2899                 do_ext_lpbk = true;
2900
2901         if (etest->flags & ETH_TEST_FL_OFFLINE) {
2902                 if (bp->pf.active_vfs) {
2903                         etest->flags |= ETH_TEST_FL_FAILED;
2904                         netdev_warn(dev, "Offline tests cannot be run with active VFs\n");
2905                         return;
2906                 }
2907                 offline = true;
2908         }
2909
2910         for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2911                 u8 bit_val = 1 << i;
2912
2913                 if (!(bp->test_info->offline_mask & bit_val))
2914                         test_mask |= bit_val;
2915                 else if (offline)
2916                         test_mask |= bit_val;
2917         }
2918         if (!offline) {
2919                 bnxt_run_fw_tests(bp, test_mask, &test_results);
2920         } else {
2921                 rc = bnxt_close_nic(bp, false, false);
2922                 if (rc)
2923                         return;
2924                 bnxt_run_fw_tests(bp, test_mask, &test_results);
2925
2926                 buf[BNXT_MACLPBK_TEST_IDX] = 1;
2927                 bnxt_hwrm_mac_loopback(bp, true);
2928                 msleep(250);
2929                 rc = bnxt_half_open_nic(bp);
2930                 if (rc) {
2931                         bnxt_hwrm_mac_loopback(bp, false);
2932                         etest->flags |= ETH_TEST_FL_FAILED;
2933                         return;
2934                 }
2935                 if (bnxt_run_loopback(bp))
2936                         etest->flags |= ETH_TEST_FL_FAILED;
2937                 else
2938                         buf[BNXT_MACLPBK_TEST_IDX] = 0;
2939
2940                 bnxt_hwrm_mac_loopback(bp, false);
2941                 bnxt_hwrm_phy_loopback(bp, true, false);
2942                 msleep(1000);
2943                 if (bnxt_run_loopback(bp)) {
2944                         buf[BNXT_PHYLPBK_TEST_IDX] = 1;
2945                         etest->flags |= ETH_TEST_FL_FAILED;
2946                 }
2947                 if (do_ext_lpbk) {
2948                         etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
2949                         bnxt_hwrm_phy_loopback(bp, true, true);
2950                         msleep(1000);
2951                         if (bnxt_run_loopback(bp)) {
2952                                 buf[BNXT_EXTLPBK_TEST_IDX] = 1;
2953                                 etest->flags |= ETH_TEST_FL_FAILED;
2954                         }
2955                 }
2956                 bnxt_hwrm_phy_loopback(bp, false, false);
2957                 bnxt_half_close_nic(bp);
2958                 rc = bnxt_open_nic(bp, false, true);
2959         }
2960         if (rc || bnxt_test_irq(bp)) {
2961                 buf[BNXT_IRQ_TEST_IDX] = 1;
2962                 etest->flags |= ETH_TEST_FL_FAILED;
2963         }
2964         for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2965                 u8 bit_val = 1 << i;
2966
2967                 if ((test_mask & bit_val) && !(test_results & bit_val)) {
2968                         buf[i] = 1;
2969                         etest->flags |= ETH_TEST_FL_FAILED;
2970                 }
2971         }
2972 }
2973
2974 static int bnxt_reset(struct net_device *dev, u32 *flags)
2975 {
2976         struct bnxt *bp = netdev_priv(dev);
2977         int rc = 0;
2978
2979         if (!BNXT_PF(bp)) {
2980                 netdev_err(dev, "Reset is not supported from a VF\n");
2981                 return -EOPNOTSUPP;
2982         }
2983
2984         if (pci_vfs_assigned(bp->pdev)) {
2985                 netdev_err(dev,
2986                            "Reset not allowed when VFs are assigned to VMs\n");
2987                 return -EBUSY;
2988         }
2989
2990         if (*flags == ETH_RESET_ALL) {
2991                 /* This feature is not supported in older firmware versions */
2992                 if (bp->hwrm_spec_code < 0x10803)
2993                         return -EOPNOTSUPP;
2994
2995                 rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP);
2996                 if (!rc) {
2997                         netdev_info(dev, "Reset request successful. Reload driver to complete reset\n");
2998                         *flags = 0;
2999                 }
3000         } else if (*flags == ETH_RESET_AP) {
3001                 /* This feature is not supported in older firmware versions */
3002                 if (bp->hwrm_spec_code < 0x10803)
3003                         return -EOPNOTSUPP;
3004
3005                 rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_AP);
3006                 if (!rc) {
3007                         netdev_info(dev, "Reset Application Processor request successful.\n");
3008                         *flags = 0;
3009                 }
3010         } else {
3011                 rc = -EINVAL;
3012         }
3013
3014         return rc;
3015 }
3016
3017 static int bnxt_hwrm_dbg_dma_data(struct bnxt *bp, void *msg, int msg_len,
3018                                   struct bnxt_hwrm_dbg_dma_info *info)
3019 {
3020         struct hwrm_dbg_cmn_output *cmn_resp = bp->hwrm_cmd_resp_addr;
3021         struct hwrm_dbg_cmn_input *cmn_req = msg;
3022         __le16 *seq_ptr = msg + info->seq_off;
3023         u16 seq = 0, len, segs_off;
3024         void *resp = cmn_resp;
3025         dma_addr_t dma_handle;
3026         int rc, off = 0;
3027         void *dma_buf;
3028
3029         dma_buf = dma_alloc_coherent(&bp->pdev->dev, info->dma_len, &dma_handle,
3030                                      GFP_KERNEL);
3031         if (!dma_buf)
3032                 return -ENOMEM;
3033
3034         segs_off = offsetof(struct hwrm_dbg_coredump_list_output,
3035                             total_segments);
3036         cmn_req->host_dest_addr = cpu_to_le64(dma_handle);
3037         cmn_req->host_buf_len = cpu_to_le32(info->dma_len);
3038         mutex_lock(&bp->hwrm_cmd_lock);
3039         while (1) {
3040                 *seq_ptr = cpu_to_le16(seq);
3041                 rc = _hwrm_send_message(bp, msg, msg_len, HWRM_CMD_TIMEOUT);
3042                 if (rc)
3043                         break;
3044
3045                 len = le16_to_cpu(*((__le16 *)(resp + info->data_len_off)));
3046                 if (!seq &&
3047                     cmn_req->req_type == cpu_to_le16(HWRM_DBG_COREDUMP_LIST)) {
3048                         info->segs = le16_to_cpu(*((__le16 *)(resp +
3049                                                               segs_off)));
3050                         if (!info->segs) {
3051                                 rc = -EIO;
3052                                 break;
3053                         }
3054
3055                         info->dest_buf_size = info->segs *
3056                                         sizeof(struct coredump_segment_record);
3057                         info->dest_buf = kmalloc(info->dest_buf_size,
3058                                                  GFP_KERNEL);
3059                         if (!info->dest_buf) {
3060                                 rc = -ENOMEM;
3061                                 break;
3062                         }
3063                 }
3064
3065                 if (info->dest_buf) {
3066                         if ((info->seg_start + off + len) <=
3067                             BNXT_COREDUMP_BUF_LEN(info->buf_len)) {
3068                                 memcpy(info->dest_buf + off, dma_buf, len);
3069                         } else {
3070                                 rc = -ENOBUFS;
3071                                 break;
3072                         }
3073                 }
3074
3075                 if (cmn_req->req_type ==
3076                                 cpu_to_le16(HWRM_DBG_COREDUMP_RETRIEVE))
3077                         info->dest_buf_size += len;
3078
3079                 if (!(cmn_resp->flags & HWRM_DBG_CMN_FLAGS_MORE))
3080                         break;
3081
3082                 seq++;
3083                 off += len;
3084         }
3085         mutex_unlock(&bp->hwrm_cmd_lock);
3086         dma_free_coherent(&bp->pdev->dev, info->dma_len, dma_buf, dma_handle);
3087         return rc;
3088 }
3089
3090 static int bnxt_hwrm_dbg_coredump_list(struct bnxt *bp,
3091                                        struct bnxt_coredump *coredump)
3092 {
3093         struct hwrm_dbg_coredump_list_input req = {0};
3094         struct bnxt_hwrm_dbg_dma_info info = {NULL};
3095         int rc;
3096
3097         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_LIST, -1, -1);
3098
3099         info.dma_len = COREDUMP_LIST_BUF_LEN;
3100         info.seq_off = offsetof(struct hwrm_dbg_coredump_list_input, seq_no);
3101         info.data_len_off = offsetof(struct hwrm_dbg_coredump_list_output,
3102                                      data_len);
3103
3104         rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
3105         if (!rc) {
3106                 coredump->data = info.dest_buf;
3107                 coredump->data_size = info.dest_buf_size;
3108                 coredump->total_segs = info.segs;
3109         }
3110         return rc;
3111 }
3112
3113 static int bnxt_hwrm_dbg_coredump_initiate(struct bnxt *bp, u16 component_id,
3114                                            u16 segment_id)
3115 {
3116         struct hwrm_dbg_coredump_initiate_input req = {0};
3117
3118         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_INITIATE, -1, -1);
3119         req.component_id = cpu_to_le16(component_id);
3120         req.segment_id = cpu_to_le16(segment_id);
3121
3122         return hwrm_send_message(bp, &req, sizeof(req), HWRM_COREDUMP_TIMEOUT);
3123 }
3124
3125 static int bnxt_hwrm_dbg_coredump_retrieve(struct bnxt *bp, u16 component_id,
3126                                            u16 segment_id, u32 *seg_len,
3127                                            void *buf, u32 buf_len, u32 offset)
3128 {
3129         struct hwrm_dbg_coredump_retrieve_input req = {0};
3130         struct bnxt_hwrm_dbg_dma_info info = {NULL};
3131         int rc;
3132
3133         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_RETRIEVE, -1, -1);
3134         req.component_id = cpu_to_le16(component_id);
3135         req.segment_id = cpu_to_le16(segment_id);
3136
3137         info.dma_len = COREDUMP_RETRIEVE_BUF_LEN;
3138         info.seq_off = offsetof(struct hwrm_dbg_coredump_retrieve_input,
3139                                 seq_no);
3140         info.data_len_off = offsetof(struct hwrm_dbg_coredump_retrieve_output,
3141                                      data_len);
3142         if (buf) {
3143                 info.dest_buf = buf + offset;
3144                 info.buf_len = buf_len;
3145                 info.seg_start = offset;
3146         }
3147
3148         rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
3149         if (!rc)
3150                 *seg_len = info.dest_buf_size;
3151
3152         return rc;
3153 }
3154
3155 static void
3156 bnxt_fill_coredump_seg_hdr(struct bnxt *bp,
3157                            struct bnxt_coredump_segment_hdr *seg_hdr,
3158                            struct coredump_segment_record *seg_rec, u32 seg_len,
3159                            int status, u32 duration, u32 instance)
3160 {
3161         memset(seg_hdr, 0, sizeof(*seg_hdr));
3162         memcpy(seg_hdr->signature, "sEgM", 4);
3163         if (seg_rec) {
3164                 seg_hdr->component_id = (__force __le32)seg_rec->component_id;
3165                 seg_hdr->segment_id = (__force __le32)seg_rec->segment_id;
3166                 seg_hdr->low_version = seg_rec->version_low;
3167                 seg_hdr->high_version = seg_rec->version_hi;
3168         } else {
3169                 /* For hwrm_ver_get response Component id = 2
3170                  * and Segment id = 0
3171                  */
3172                 seg_hdr->component_id = cpu_to_le32(2);
3173                 seg_hdr->segment_id = 0;
3174         }
3175         seg_hdr->function_id = cpu_to_le16(bp->pdev->devfn);
3176         seg_hdr->length = cpu_to_le32(seg_len);
3177         seg_hdr->status = cpu_to_le32(status);
3178         seg_hdr->duration = cpu_to_le32(duration);
3179         seg_hdr->data_offset = cpu_to_le32(sizeof(*seg_hdr));
3180         seg_hdr->instance = cpu_to_le32(instance);
3181 }
3182
3183 static void
3184 bnxt_fill_coredump_record(struct bnxt *bp, struct bnxt_coredump_record *record,
3185                           time64_t start, s16 start_utc, u16 total_segs,
3186                           int status)
3187 {
3188         time64_t end = ktime_get_real_seconds();
3189         u32 os_ver_major = 0, os_ver_minor = 0;
3190         struct tm tm;
3191
3192         time64_to_tm(start, 0, &tm);
3193         memset(record, 0, sizeof(*record));
3194         memcpy(record->signature, "cOrE", 4);
3195         record->flags = 0;
3196         record->low_version = 0;
3197         record->high_version = 1;
3198         record->asic_state = 0;
3199         strlcpy(record->system_name, utsname()->nodename,
3200                 sizeof(record->system_name));
3201         record->year = cpu_to_le16(tm.tm_year + 1900);
3202         record->month = cpu_to_le16(tm.tm_mon + 1);
3203         record->day = cpu_to_le16(tm.tm_mday);
3204         record->hour = cpu_to_le16(tm.tm_hour);
3205         record->minute = cpu_to_le16(tm.tm_min);
3206         record->second = cpu_to_le16(tm.tm_sec);
3207         record->utc_bias = cpu_to_le16(start_utc);
3208         strcpy(record->commandline, "ethtool -w");
3209         record->total_segments = cpu_to_le32(total_segs);
3210
3211         sscanf(utsname()->release, "%u.%u", &os_ver_major, &os_ver_minor);
3212         record->os_ver_major = cpu_to_le32(os_ver_major);
3213         record->os_ver_minor = cpu_to_le32(os_ver_minor);
3214
3215         strlcpy(record->os_name, utsname()->sysname, 32);
3216         time64_to_tm(end, 0, &tm);
3217         record->end_year = cpu_to_le16(tm.tm_year + 1900);
3218         record->end_month = cpu_to_le16(tm.tm_mon + 1);
3219         record->end_day = cpu_to_le16(tm.tm_mday);
3220         record->end_hour = cpu_to_le16(tm.tm_hour);
3221         record->end_minute = cpu_to_le16(tm.tm_min);
3222         record->end_second = cpu_to_le16(tm.tm_sec);
3223         record->end_utc_bias = cpu_to_le16(sys_tz.tz_minuteswest * 60);
3224         record->asic_id1 = cpu_to_le32(bp->chip_num << 16 |
3225                                        bp->ver_resp.chip_rev << 8 |
3226                                        bp->ver_resp.chip_metal);
3227         record->asic_id2 = 0;
3228         record->coredump_status = cpu_to_le32(status);
3229         record->ioctl_low_version = 0;
3230         record->ioctl_high_version = 0;
3231 }
3232
3233 static int bnxt_get_coredump(struct bnxt *bp, void *buf, u32 *dump_len)
3234 {
3235         u32 ver_get_resp_len = sizeof(struct hwrm_ver_get_output);
3236         u32 offset = 0, seg_hdr_len, seg_record_len, buf_len = 0;
3237         struct coredump_segment_record *seg_record = NULL;
3238         struct bnxt_coredump_segment_hdr seg_hdr;
3239         struct bnxt_coredump coredump = {NULL};
3240         time64_t start_time;
3241         u16 start_utc;
3242         int rc = 0, i;
3243
3244         if (buf)
3245                 buf_len = *dump_len;
3246
3247         start_time = ktime_get_real_seconds();
3248         start_utc = sys_tz.tz_minuteswest * 60;
3249         seg_hdr_len = sizeof(seg_hdr);
3250
3251         /* First segment should be hwrm_ver_get response */
3252         *dump_len = seg_hdr_len + ver_get_resp_len;
3253         if (buf) {
3254                 bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, NULL, ver_get_resp_len,
3255                                            0, 0, 0);
3256                 memcpy(buf + offset, &seg_hdr, seg_hdr_len);
3257                 offset += seg_hdr_len;
3258                 memcpy(buf + offset, &bp->ver_resp, ver_get_resp_len);
3259                 offset += ver_get_resp_len;
3260         }
3261
3262         rc = bnxt_hwrm_dbg_coredump_list(bp, &coredump);
3263         if (rc) {
3264                 netdev_err(bp->dev, "Failed to get coredump segment list\n");
3265                 goto err;
3266         }
3267
3268         *dump_len += seg_hdr_len * coredump.total_segs;
3269
3270         seg_record = (struct coredump_segment_record *)coredump.data;
3271         seg_record_len = sizeof(*seg_record);
3272
3273         for (i = 0; i < coredump.total_segs; i++) {
3274                 u16 comp_id = le16_to_cpu(seg_record->component_id);
3275                 u16 seg_id = le16_to_cpu(seg_record->segment_id);
3276                 u32 duration = 0, seg_len = 0;
3277                 unsigned long start, end;
3278
3279                 if (buf && ((offset + seg_hdr_len) >
3280                             BNXT_COREDUMP_BUF_LEN(buf_len))) {
3281                         rc = -ENOBUFS;
3282                         goto err;
3283                 }
3284
3285                 start = jiffies;
3286
3287                 rc = bnxt_hwrm_dbg_coredump_initiate(bp, comp_id, seg_id);
3288                 if (rc) {
3289                         netdev_err(bp->dev,
3290                                    "Failed to initiate coredump for seg = %d\n",
3291                                    seg_record->segment_id);
3292                         goto next_seg;
3293                 }
3294
3295                 /* Write segment data into the buffer */
3296                 rc = bnxt_hwrm_dbg_coredump_retrieve(bp, comp_id, seg_id,
3297                                                      &seg_len, buf, buf_len,
3298                                                      offset + seg_hdr_len);
3299                 if (rc && rc == -ENOBUFS)
3300                         goto err;
3301                 else if (rc)
3302                         netdev_err(bp->dev,
3303                                    "Failed to retrieve coredump for seg = %d\n",
3304                                    seg_record->segment_id);
3305
3306 next_seg:
3307                 end = jiffies;
3308                 duration = jiffies_to_msecs(end - start);
3309                 bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, seg_record, seg_len,
3310                                            rc, duration, 0);
3311
3312                 if (buf) {
3313                         /* Write segment header into the buffer */
3314                         memcpy(buf + offset, &seg_hdr, seg_hdr_len);
3315                         offset += seg_hdr_len + seg_len;
3316                 }
3317
3318                 *dump_len += seg_len;
3319                 seg_record =
3320                         (struct coredump_segment_record *)((u8 *)seg_record +
3321                                                            seg_record_len);
3322         }
3323
3324 err:
3325         if (buf)
3326                 bnxt_fill_coredump_record(bp, buf + offset, start_time,
3327                                           start_utc, coredump.total_segs + 1,
3328                                           rc);
3329         kfree(coredump.data);
3330         *dump_len += sizeof(struct bnxt_coredump_record);
3331         if (rc == -ENOBUFS)
3332                 netdev_err(bp->dev, "Firmware returned large coredump buffer");
3333         return rc;
3334 }
3335
3336 static int bnxt_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
3337 {
3338         struct bnxt *bp = netdev_priv(dev);
3339
3340         if (bp->hwrm_spec_code < 0x10801)
3341                 return -EOPNOTSUPP;
3342
3343         dump->version = bp->ver_resp.hwrm_fw_maj_8b << 24 |
3344                         bp->ver_resp.hwrm_fw_min_8b << 16 |
3345                         bp->ver_resp.hwrm_fw_bld_8b << 8 |
3346                         bp->ver_resp.hwrm_fw_rsvd_8b;
3347
3348         return bnxt_get_coredump(bp, NULL, &dump->len);
3349 }
3350
3351 static int bnxt_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
3352                               void *buf)
3353 {
3354         struct bnxt *bp = netdev_priv(dev);
3355
3356         if (bp->hwrm_spec_code < 0x10801)
3357                 return -EOPNOTSUPP;
3358
3359         memset(buf, 0, dump->len);
3360
3361         return bnxt_get_coredump(bp, buf, &dump->len);
3362 }
3363
3364 void bnxt_ethtool_init(struct bnxt *bp)
3365 {
3366         struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
3367         struct hwrm_selftest_qlist_input req = {0};
3368         struct bnxt_test_info *test_info;
3369         struct net_device *dev = bp->dev;
3370         int i, rc;
3371
3372         if (!(bp->fw_cap & BNXT_FW_CAP_PKG_VER))
3373                 bnxt_get_pkgver(dev);
3374
3375         bp->num_tests = 0;
3376         if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
3377                 return;
3378
3379         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1);
3380         mutex_lock(&bp->hwrm_cmd_lock);
3381         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3382         if (rc)
3383                 goto ethtool_init_exit;
3384
3385         test_info = bp->test_info;
3386         if (!test_info)
3387                 test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
3388         if (!test_info)
3389                 goto ethtool_init_exit;
3390
3391         bp->test_info = test_info;
3392         bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
3393         if (bp->num_tests > BNXT_MAX_TEST)
3394                 bp->num_tests = BNXT_MAX_TEST;
3395
3396         test_info->offline_mask = resp->offline_tests;
3397         test_info->timeout = le16_to_cpu(resp->test_timeout);
3398         if (!test_info->timeout)
3399                 test_info->timeout = HWRM_CMD_TIMEOUT;
3400         for (i = 0; i < bp->num_tests; i++) {
3401                 char *str = test_info->string[i];
3402                 char *fw_str = resp->test0_name + i * 32;
3403
3404                 if (i == BNXT_MACLPBK_TEST_IDX) {
3405                         strcpy(str, "Mac loopback test (offline)");
3406                 } else if (i == BNXT_PHYLPBK_TEST_IDX) {
3407                         strcpy(str, "Phy loopback test (offline)");
3408                 } else if (i == BNXT_EXTLPBK_TEST_IDX) {
3409                         strcpy(str, "Ext loopback test (offline)");
3410                 } else if (i == BNXT_IRQ_TEST_IDX) {
3411                         strcpy(str, "Interrupt_test (offline)");
3412                 } else {
3413                         strlcpy(str, fw_str, ETH_GSTRING_LEN);
3414                         strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
3415                         if (test_info->offline_mask & (1 << i))
3416                                 strncat(str, " (offline)",
3417                                         ETH_GSTRING_LEN - strlen(str));
3418                         else
3419                                 strncat(str, " (online)",
3420                                         ETH_GSTRING_LEN - strlen(str));
3421                 }
3422         }
3423
3424 ethtool_init_exit:
3425         mutex_unlock(&bp->hwrm_cmd_lock);
3426 }
3427
3428 void bnxt_ethtool_free(struct bnxt *bp)
3429 {
3430         kfree(bp->test_info);
3431         bp->test_info = NULL;
3432 }
3433
3434 const struct ethtool_ops bnxt_ethtool_ops = {
3435         .get_link_ksettings     = bnxt_get_link_ksettings,
3436         .set_link_ksettings     = bnxt_set_link_ksettings,
3437         .get_pauseparam         = bnxt_get_pauseparam,
3438         .set_pauseparam         = bnxt_set_pauseparam,
3439         .get_drvinfo            = bnxt_get_drvinfo,
3440         .get_wol                = bnxt_get_wol,
3441         .set_wol                = bnxt_set_wol,
3442         .get_coalesce           = bnxt_get_coalesce,
3443         .set_coalesce           = bnxt_set_coalesce,
3444         .get_msglevel           = bnxt_get_msglevel,
3445         .set_msglevel           = bnxt_set_msglevel,
3446         .get_sset_count         = bnxt_get_sset_count,
3447         .get_strings            = bnxt_get_strings,
3448         .get_ethtool_stats      = bnxt_get_ethtool_stats,
3449         .set_ringparam          = bnxt_set_ringparam,
3450         .get_ringparam          = bnxt_get_ringparam,
3451         .get_channels           = bnxt_get_channels,
3452         .set_channels           = bnxt_set_channels,
3453         .get_rxnfc              = bnxt_get_rxnfc,
3454         .set_rxnfc              = bnxt_set_rxnfc,
3455         .get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
3456         .get_rxfh_key_size      = bnxt_get_rxfh_key_size,
3457         .get_rxfh               = bnxt_get_rxfh,
3458         .flash_device           = bnxt_flash_device,
3459         .get_eeprom_len         = bnxt_get_eeprom_len,
3460         .get_eeprom             = bnxt_get_eeprom,
3461         .set_eeprom             = bnxt_set_eeprom,
3462         .get_link               = bnxt_get_link,
3463         .get_eee                = bnxt_get_eee,
3464         .set_eee                = bnxt_set_eee,
3465         .get_module_info        = bnxt_get_module_info,
3466         .get_module_eeprom      = bnxt_get_module_eeprom,
3467         .nway_reset             = bnxt_nway_reset,
3468         .set_phys_id            = bnxt_set_phys_id,
3469         .self_test              = bnxt_self_test,
3470         .reset                  = bnxt_reset,
3471         .get_dump_flag          = bnxt_get_dump_flag,
3472         .get_dump_data          = bnxt_get_dump_data,
3473 };