drivers/net/ethernet/intel/i40e/i40e_debugfs.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
   3
   4 #ifdef CONFIG_DEBUG_FS
   5
   6 #include <linux/fs.h>
   7 #include <linux/debugfs.h>
   8
   9 #include "i40e.h"
  10
  11 static struct dentry *i40e_dbg_root;
  12
  13 enum ring_type {
  14         RING_TYPE_RX,
  15         RING_TYPE_TX,
  16         RING_TYPE_XDP
  17 };
  18
  19 /**
  20  * i40e_dbg_find_vsi - searches for the vsi with the given seid
  21  * @pf: the PF structure to search for the vsi
  22  * @seid: seid of the vsi it is searching for
  23  **/
  24 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
  25 {
  26         int i;
  27
  28         if (seid < 0)
  29                 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
  30         else
  31                 for (i = 0; i < pf->num_alloc_vsi; i++)
  32                         if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
  33                                 return pf->vsi[i];
  34
  35         return NULL;
  36 }
  37
  38 /**
  39  * i40e_dbg_find_veb - searches for the veb with the given seid
  40  * @pf: the PF structure to search for the veb
  41  * @seid: seid of the veb it is searching for
  42  **/
  43 static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
  44 {
  45         int i;
  46
  47         for (i = 0; i < I40E_MAX_VEB; i++)
  48                 if (pf->veb[i] && pf->veb[i]->seid == seid)
  49                         return pf->veb[i];
  50         return NULL;
  51 }
  52
  53 /**************************************************************
  54  * command
  55  * The command entry in debugfs is for giving the driver commands
  56  * to be executed - these may be for changing the internal switch
  57  * setup, adding or removing filters, or other things.  Many of
  58  * these will be useful for some forms of unit testing.
  59  **************************************************************/
  60 static char i40e_dbg_command_buf[256] = "";
  61
  62 /**
  63  * i40e_dbg_command_read - read for command datum
  64  * @filp: the opened file
  65  * @buffer: where to write the data for the user to read
  66  * @count: the size of the user's buffer
  67  * @ppos: file position offset
  68  **/
  69 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
  70                                      size_t count, loff_t *ppos)
  71 {
  72         struct i40e_pf *pf = filp->private_data;
  73         int bytes_not_copied;
  74         int buf_size = 256;
  75         char *buf;
  76         int len;
  77
  78         /* don't allow partial reads */
  79         if (*ppos != 0)
  80                 return 0;
  81         if (count < buf_size)
  82                 return -ENOSPC;
  83
  84         buf = kzalloc(buf_size, GFP_KERNEL);
  85         if (!buf)
  86                 return -ENOSPC;
  87
  88         len = snprintf(buf, buf_size, "%s: %s\n",
  89                        pf->vsi[pf->lan_vsi]->netdev->name,
  90                        i40e_dbg_command_buf);
  91
  92         bytes_not_copied = copy_to_user(buffer, buf, len);
  93         kfree(buf);
  94
  95         if (bytes_not_copied)
  96                 return -EFAULT;
  97
  98         *ppos = len;
  99         return len;
 100 }
 101
 102 static char *i40e_filter_state_string[] = {
 103         "INVALID",
 104         "NEW",
 105         "ACTIVE",
 106         "FAILED",
 107         "REMOVE",
 108 };
 109
 110 /**
 111  * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
 112  * @pf: the i40e_pf created in command write
 113  * @seid: the seid the user put in
 114  **/
 115 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
 116 {
 117         struct rtnl_link_stats64 *nstat;
 118         struct i40e_mac_filter *f;
 119         struct i40e_vsi *vsi;
 120         int i, bkt;
 121
 122         vsi = i40e_dbg_find_vsi(pf, seid);
 123         if (!vsi) {
 124                 dev_info(&pf->pdev->dev,
 125                          "dump %d: seid not found\n", seid);
 126                 return;
 127         }
 128         dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
 129         if (vsi->netdev) {
 130                 struct net_device *nd = vsi->netdev;
 131
 132                 dev_info(&pf->pdev->dev, "    netdev: name = %s, state = %lu, flags = 0x%08x\n",
 133                          nd->name, nd->state, nd->flags);
 134                 dev_info(&pf->pdev->dev, "        features      = 0x%08lx\n",
 135                          (unsigned long int)nd->features);
 136                 dev_info(&pf->pdev->dev, "        hw_features   = 0x%08lx\n",
 137                          (unsigned long int)nd->hw_features);
 138                 dev_info(&pf->pdev->dev, "        vlan_features = 0x%08lx\n",
 139                          (unsigned long int)nd->vlan_features);
 140         }
 141         dev_info(&pf->pdev->dev,
 142                  "    flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
 143                  vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags);
 144         for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++)
 145                 dev_info(&pf->pdev->dev,
 146                          "    state[%d] = %08lx\n",
 147                          i, vsi->state[i]);
 148         if (vsi == pf->vsi[pf->lan_vsi])
 149                 dev_info(&pf->pdev->dev, "    MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
 150                          pf->hw.mac.addr,
 151                          pf->hw.mac.san_addr,
 152                          pf->hw.mac.port_addr);
 153         hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
 154                 dev_info(&pf->pdev->dev,
 155                          "    mac_filter_hash: %pM vid=%d, state %s\n",
 156                          f->macaddr, f->vlan,
 157                          i40e_filter_state_string[f->state]);
 158         }
 159         dev_info(&pf->pdev->dev, "    active_filters %u, promisc_threshold %u, overflow promisc %s\n",
 160                  vsi->active_filters, vsi->promisc_threshold,
 161                  (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ?
 162                   "ON" : "OFF"));
 163         nstat = i40e_get_vsi_stats_struct(vsi);
 164         dev_info(&pf->pdev->dev,
 165                  "    net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
 166                  (unsigned long int)nstat->rx_packets,
 167                  (unsigned long int)nstat->rx_bytes,
 168                  (unsigned long int)nstat->rx_errors,
 169                  (unsigned long int)nstat->rx_dropped);
 170         dev_info(&pf->pdev->dev,
 171                  "    net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
 172                  (unsigned long int)nstat->tx_packets,
 173                  (unsigned long int)nstat->tx_bytes,
 174                  (unsigned long int)nstat->tx_errors,
 175                  (unsigned long int)nstat->tx_dropped);
 176         dev_info(&pf->pdev->dev,
 177                  "    net_stats: multicast = %lu, collisions = %lu\n",
 178                  (unsigned long int)nstat->multicast,
 179                  (unsigned long int)nstat->collisions);
 180         dev_info(&pf->pdev->dev,
 181                  "    net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
 182                  (unsigned long int)nstat->rx_length_errors,
 183                  (unsigned long int)nstat->rx_over_errors,
 184                  (unsigned long int)nstat->rx_crc_errors);
 185         dev_info(&pf->pdev->dev,
 186                  "    net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
 187                  (unsigned long int)nstat->rx_frame_errors,
 188                  (unsigned long int)nstat->rx_fifo_errors,
 189                  (unsigned long int)nstat->rx_missed_errors);
 190         dev_info(&pf->pdev->dev,
 191                  "    net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
 192                  (unsigned long int)nstat->tx_aborted_errors,
 193                  (unsigned long int)nstat->tx_carrier_errors,
 194                  (unsigned long int)nstat->tx_fifo_errors);
 195         dev_info(&pf->pdev->dev,
 196                  "    net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
 197                  (unsigned long int)nstat->tx_heartbeat_errors,
 198                  (unsigned long int)nstat->tx_window_errors);
 199         dev_info(&pf->pdev->dev,
 200                  "    net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
 201                  (unsigned long int)nstat->rx_compressed,
 202                  (unsigned long int)nstat->tx_compressed);
 203         dev_info(&pf->pdev->dev,
 204                  "    net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
 205                  (unsigned long int)vsi->net_stats_offsets.rx_packets,
 206                  (unsigned long int)vsi->net_stats_offsets.rx_bytes,
 207                  (unsigned long int)vsi->net_stats_offsets.rx_errors,
 208                  (unsigned long int)vsi->net_stats_offsets.rx_dropped);
 209         dev_info(&pf->pdev->dev,
 210                  "    net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
 211                  (unsigned long int)vsi->net_stats_offsets.tx_packets,
 212                  (unsigned long int)vsi->net_stats_offsets.tx_bytes,
 213                  (unsigned long int)vsi->net_stats_offsets.tx_errors,
 214                  (unsigned long int)vsi->net_stats_offsets.tx_dropped);
 215         dev_info(&pf->pdev->dev,
 216                  "    net_stats_offsets: multicast = %lu, collisions = %lu\n",
 217                  (unsigned long int)vsi->net_stats_offsets.multicast,
 218                  (unsigned long int)vsi->net_stats_offsets.collisions);
 219         dev_info(&pf->pdev->dev,
 220                  "    net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
 221                  (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
 222                  (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
 223                  (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
 224         dev_info(&pf->pdev->dev,
 225                  "    net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
 226                  (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
 227                  (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
 228                  (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
 229         dev_info(&pf->pdev->dev,
 230                  "    net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
 231                  (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
 232                  (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
 233                  (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
 234         dev_info(&pf->pdev->dev,
 235                  "    net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
 236                  (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
 237                  (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
 238         dev_info(&pf->pdev->dev,
 239                  "    net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
 240                  (unsigned long int)vsi->net_stats_offsets.rx_compressed,
 241                  (unsigned long int)vsi->net_stats_offsets.tx_compressed);
 242         dev_info(&pf->pdev->dev,
 243                  "    tx_restart = %llu, tx_busy = %llu, rx_buf_failed = %llu, rx_page_failed = %llu\n",
 244                  vsi->tx_restart, vsi->tx_busy,
 245                  vsi->rx_buf_failed, vsi->rx_page_failed);
 246         rcu_read_lock();
 247         for (i = 0; i < vsi->num_queue_pairs; i++) {
 248                 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]);
 249
 250                 if (!rx_ring)
 251                         continue;
 252
 253                 dev_info(&pf->pdev->dev,
 254                          "    rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
 255                          i, *rx_ring->state,
 256                          rx_ring->queue_index,
 257                          rx_ring->reg_idx);
 258                 dev_info(&pf->pdev->dev,
 259                          "    rx_rings[%i]: rx_buf_len = %d\n",
 260                          i, rx_ring->rx_buf_len);
 261                 dev_info(&pf->pdev->dev,
 262                          "    rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 263                          i,
 264                          rx_ring->next_to_use,
 265                          rx_ring->next_to_clean,
 266                          rx_ring->ring_active);
 267                 dev_info(&pf->pdev->dev,
 268                          "    rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
 269                          i, rx_ring->stats.packets,
 270                          rx_ring->stats.bytes,
 271                          rx_ring->rx_stats.non_eop_descs);
 272                 dev_info(&pf->pdev->dev,
 273                          "    rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
 274                          i,
 275                          rx_ring->rx_stats.alloc_page_failed,
 276                          rx_ring->rx_stats.alloc_buff_failed);
 277                 dev_info(&pf->pdev->dev,
 278                          "    rx_rings[%i]: rx_stats: realloc_count = 0, page_reuse_count = %lld\n",
 279                          i,
 280                          rx_ring->rx_stats.page_reuse_count);
 281                 dev_info(&pf->pdev->dev,
 282                          "    rx_rings[%i]: size = %i\n",
 283                          i, rx_ring->size);
 284                 dev_info(&pf->pdev->dev,
 285                          "    rx_rings[%i]: itr_setting = %d (%s)\n",
 286                          i, rx_ring->itr_setting,
 287                          ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed");
 288         }
 289         for (i = 0; i < vsi->num_queue_pairs; i++) {
 290                 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]);
 291
 292                 if (!tx_ring)
 293                         continue;
 294
 295                 dev_info(&pf->pdev->dev,
 296                          "    tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
 297                          i, *tx_ring->state,
 298                          tx_ring->queue_index,
 299                          tx_ring->reg_idx);
 300                 dev_info(&pf->pdev->dev,
 301                          "    tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 302                          i,
 303                          tx_ring->next_to_use,
 304                          tx_ring->next_to_clean,
 305                          tx_ring->ring_active);
 306                 dev_info(&pf->pdev->dev,
 307                          "    tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
 308                          i, tx_ring->stats.packets,
 309                          tx_ring->stats.bytes,
 310                          tx_ring->tx_stats.restart_queue);
 311                 dev_info(&pf->pdev->dev,
 312                          "    tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
 313                          i,
 314                          tx_ring->tx_stats.tx_busy,
 315                          tx_ring->tx_stats.tx_done_old);
 316                 dev_info(&pf->pdev->dev,
 317                          "    tx_rings[%i]: size = %i\n",
 318                          i, tx_ring->size);
 319                 dev_info(&pf->pdev->dev,
 320                          "    tx_rings[%i]: DCB tc = %d\n",
 321                          i, tx_ring->dcb_tc);
 322                 dev_info(&pf->pdev->dev,
 323                          "    tx_rings[%i]: itr_setting = %d (%s)\n",
 324                          i, tx_ring->itr_setting,
 325                          ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed");
 326         }
 327         if (i40e_enabled_xdp_vsi(vsi)) {
 328                 for (i = 0; i < vsi->num_queue_pairs; i++) {
 329                         struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]);
 330
 331                         if (!xdp_ring)
 332                                 continue;
 333
 334                         dev_info(&pf->pdev->dev,
 335                                  "    xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
 336                                  i, *xdp_ring->state,
 337                                  xdp_ring->queue_index,
 338                                  xdp_ring->reg_idx);
 339                         dev_info(&pf->pdev->dev,
 340                                  "    xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 341                                  i,
 342                                  xdp_ring->next_to_use,
 343                                  xdp_ring->next_to_clean,
 344                                  xdp_ring->ring_active);
 345                         dev_info(&pf->pdev->dev,
 346                                  "    xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
 347                                  i, xdp_ring->stats.packets,
 348                                  xdp_ring->stats.bytes,
 349                                  xdp_ring->tx_stats.restart_queue);
 350                         dev_info(&pf->pdev->dev,
 351                                  "    xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
 352                                  i,
 353                                  xdp_ring->tx_stats.tx_busy,
 354                                  xdp_ring->tx_stats.tx_done_old);
 355                         dev_info(&pf->pdev->dev,
 356                                  "    xdp_rings[%i]: size = %i\n",
 357                                  i, xdp_ring->size);
 358                         dev_info(&pf->pdev->dev,
 359                                  "    xdp_rings[%i]: DCB tc = %d\n",
 360                                  i, xdp_ring->dcb_tc);
 361                         dev_info(&pf->pdev->dev,
 362                                  "    xdp_rings[%i]: itr_setting = %d (%s)\n",
 363                                  i, xdp_ring->itr_setting,
 364                                  ITR_IS_DYNAMIC(xdp_ring->itr_setting) ?
 365                                  "dynamic" : "fixed");
 366                 }
 367         }
 368         rcu_read_unlock();
 369         dev_info(&pf->pdev->dev,
 370                  "    work_limit = %d\n",
 371                  vsi->work_limit);
 372         dev_info(&pf->pdev->dev,
 373                  "    max_frame = %d, rx_buf_len = %d dtype = %d\n",
 374                  vsi->max_frame, vsi->rx_buf_len, 0);
 375         dev_info(&pf->pdev->dev,
 376                  "    num_q_vectors = %i, base_vector = %i\n",
 377                  vsi->num_q_vectors, vsi->base_vector);
 378         dev_info(&pf->pdev->dev,
 379                  "    seid = %d, id = %d, uplink_seid = %d\n",
 380                  vsi->seid, vsi->id, vsi->uplink_seid);
 381         dev_info(&pf->pdev->dev,
 382                  "    base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n",
 383                  vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc,
 384                  vsi->num_rx_desc);
 385         dev_info(&pf->pdev->dev, "    type = %i\n", vsi->type);
 386         if (vsi->type == I40E_VSI_SRIOV)
 387                 dev_info(&pf->pdev->dev, "    VF ID = %i\n", vsi->vf_id);
 388         dev_info(&pf->pdev->dev,
 389                  "    info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
 390                  vsi->info.valid_sections, vsi->info.switch_id);
 391         dev_info(&pf->pdev->dev,
 392                  "    info: sw_reserved[] = 0x%02x 0x%02x\n",
 393                  vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
 394         dev_info(&pf->pdev->dev,
 395                  "    info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
 396                  vsi->info.sec_flags, vsi->info.sec_reserved);
 397         dev_info(&pf->pdev->dev,
 398                  "    info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
 399                  vsi->info.pvid, vsi->info.fcoe_pvid,
 400                  vsi->info.port_vlan_flags);
 401         dev_info(&pf->pdev->dev,
 402                  "    info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
 403                  vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
 404                  vsi->info.pvlan_reserved[2]);
 405         dev_info(&pf->pdev->dev,
 406                  "    info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
 407                  vsi->info.ingress_table, vsi->info.egress_table);
 408         dev_info(&pf->pdev->dev,
 409                  "    info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
 410                  vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
 411                  vsi->info.cas_pv_reserved);
 412         dev_info(&pf->pdev->dev,
 413                  "    info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 414                  vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
 415                  vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
 416                  vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
 417                  vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
 418         dev_info(&pf->pdev->dev,
 419                  "    info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 420                  vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
 421                  vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
 422                  vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
 423                  vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
 424         dev_info(&pf->pdev->dev,
 425                  "    info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 426                  vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
 427                  vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
 428                  vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
 429                  vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
 430         dev_info(&pf->pdev->dev,
 431                  "    info: queueing_opt_flags = 0x%02x  queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
 432                  vsi->info.queueing_opt_flags,
 433                  vsi->info.queueing_opt_reserved[0],
 434                  vsi->info.queueing_opt_reserved[1],
 435                  vsi->info.queueing_opt_reserved[2]);
 436         dev_info(&pf->pdev->dev,
 437                  "    info: up_enable_bits = 0x%02x\n",
 438                  vsi->info.up_enable_bits);
 439         dev_info(&pf->pdev->dev,
 440                  "    info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
 441                  vsi->info.sched_reserved, vsi->info.outer_up_table);
 442         dev_info(&pf->pdev->dev,
 443                  "    info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
 444                  vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
 445                  vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
 446                  vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
 447                  vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
 448         dev_info(&pf->pdev->dev,
 449                  "    info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 450                  vsi->info.qs_handle[0], vsi->info.qs_handle[1],
 451                  vsi->info.qs_handle[2], vsi->info.qs_handle[3],
 452                  vsi->info.qs_handle[4], vsi->info.qs_handle[5],
 453                  vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
 454         dev_info(&pf->pdev->dev,
 455                  "    info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
 456                  vsi->info.stat_counter_idx, vsi->info.sched_id);
 457         dev_info(&pf->pdev->dev,
 458                  "    info: resp_reserved[] = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
 459                  vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
 460                  vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
 461                  vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
 462                  vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
 463                  vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
 464                  vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
 465         dev_info(&pf->pdev->dev, "    idx = %d\n", vsi->idx);
 466         dev_info(&pf->pdev->dev,
 467                  "    tc_config: numtc = %d, enabled_tc = 0x%x\n",
 468                  vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
 469         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 470                 dev_info(&pf->pdev->dev,
 471                          "    tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
 472                          i, vsi->tc_config.tc_info[i].qoffset,
 473                          vsi->tc_config.tc_info[i].qcount,
 474                          vsi->tc_config.tc_info[i].netdev_tc);
 475         }
 476         dev_info(&pf->pdev->dev,
 477                  "    bw: bw_limit = %d, bw_max_quanta = %d\n",
 478                  vsi->bw_limit, vsi->bw_max_quanta);
 479         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 480                 dev_info(&pf->pdev->dev,
 481                          "    bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
 482                          i, vsi->bw_ets_share_credits[i],
 483                          vsi->bw_ets_limit_credits[i],
 484                          vsi->bw_ets_max_quanta[i]);
 485         }
 486 }
 487
 488 /**
 489  * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
 490  * @pf: the i40e_pf created in command write
 491  **/
 492 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
 493 {
 494         struct i40e_adminq_ring *ring;
 495         struct i40e_hw *hw = &pf->hw;
 496         char hdr[32];
 497         int i;
 498
 499         snprintf(hdr, sizeof(hdr), "%s %s:         ",
 500                  dev_driver_string(&pf->pdev->dev),
 501                  dev_name(&pf->pdev->dev));
 502
 503         /* first the send (command) ring, then the receive (event) ring */
 504         dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
 505         ring = &(hw->aq.asq);
 506         for (i = 0; i < ring->count; i++) {
 507                 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 508
 509                 dev_info(&pf->pdev->dev,
 510                          "   at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 511                          i, d->flags, d->opcode, d->datalen, d->retval,
 512                          d->cookie_high, d->cookie_low);
 513                 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 514                                16, 1, d->params.raw, 16, 0);
 515         }
 516
 517         dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
 518         ring = &(hw->aq.arq);
 519         for (i = 0; i < ring->count; i++) {
 520                 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 521
 522                 dev_info(&pf->pdev->dev,
 523                          "   ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 524                          i, d->flags, d->opcode, d->datalen, d->retval,
 525                          d->cookie_high, d->cookie_low);
 526                 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 527                                16, 1, d->params.raw, 16, 0);
 528         }
 529 }
 530
 531 /**
 532  * i40e_dbg_dump_desc - handles dump desc write into command datum
 533  * @cnt: number of arguments that the user supplied
 534  * @vsi_seid: vsi id entered by user
 535  * @ring_id: ring id entered by user
 536  * @desc_n: descriptor number entered by user
 537  * @pf: the i40e_pf created in command write
 538  * @type: enum describing whether ring is RX, TX or XDP
 539  **/
 540 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
 541                                struct i40e_pf *pf, enum ring_type type)
 542 {
 543         bool is_rx_ring = type == RING_TYPE_RX;
 544         struct i40e_tx_desc *txd;
 545         union i40e_rx_desc *rxd;
 546         struct i40e_ring *ring;
 547         struct i40e_vsi *vsi;
 548         int i;
 549
 550         vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 551         if (!vsi) {
 552                 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
 553                 return;
 554         }
 555         if (vsi->type != I40E_VSI_MAIN &&
 556             vsi->type != I40E_VSI_FDIR &&
 557             vsi->type != I40E_VSI_VMDQ2) {
 558                 dev_info(&pf->pdev->dev,
 559                          "vsi %d type %d descriptor rings not available\n",
 560                          vsi_seid, vsi->type);
 561                 return;
 562         }
 563         if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) {
 564                 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid);
 565                 return;
 566         }
 567         if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
 568                 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
 569                 return;
 570         }
 571         if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
 572                 dev_info(&pf->pdev->dev,
 573                          "descriptor rings have not been allocated for vsi %d\n",
 574                          vsi_seid);
 575                 return;
 576         }
 577
 578         switch (type) {
 579         case RING_TYPE_RX:
 580                 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 581                 break;
 582         case RING_TYPE_TX:
 583                 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 584                 break;
 585         case RING_TYPE_XDP:
 586                 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 587                 break;
 588         default:
 589                 ring = NULL;
 590                 break;
 591         }
 592         if (!ring)
 593                 return;
 594
 595         if (cnt == 2) {
 596                 switch (type) {
 597                 case RING_TYPE_RX:
 598                         dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id);
 599                         break;
 600                 case RING_TYPE_TX:
 601                         dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id);
 602                         break;
 603                 case RING_TYPE_XDP:
 604                         dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id);
 605                         break;
 606                 }
 607                 for (i = 0; i < ring->count; i++) {
 608                         if (!is_rx_ring) {
 609                                 txd = I40E_TX_DESC(ring, i);
 610                                 dev_info(&pf->pdev->dev,
 611                                          "   d[%03x] = 0x%016llx 0x%016llx\n",
 612                                          i, txd->buffer_addr,
 613                                          txd->cmd_type_offset_bsz);
 614                         } else {
 615                                 rxd = I40E_RX_DESC(ring, i);
 616                                 dev_info(&pf->pdev->dev,
 617                                          "   d[%03x] = 0x%016llx 0x%016llx\n",
 618                                          i, rxd->read.pkt_addr,
 619                                          rxd->read.hdr_addr);
 620                         }
 621                 }
 622         } else if (cnt == 3) {
 623                 if (desc_n >= ring->count || desc_n < 0) {
 624                         dev_info(&pf->pdev->dev,
 625                                  "descriptor %d not found\n", desc_n);
 626                         goto out;
 627                 }
 628                 if (!is_rx_ring) {
 629                         txd = I40E_TX_DESC(ring, desc_n);
 630                         dev_info(&pf->pdev->dev,
 631                                  "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 632                                  vsi_seid, ring_id, desc_n,
 633                                  txd->buffer_addr, txd->cmd_type_offset_bsz);
 634                 } else {
 635                         rxd = I40E_RX_DESC(ring, desc_n);
 636                         dev_info(&pf->pdev->dev,
 637                                  "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 638                                  vsi_seid, ring_id, desc_n,
 639                                  rxd->read.pkt_addr, rxd->read.hdr_addr);
 640                 }
 641         } else {
 642                 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n");
 643         }
 644
 645 out:
 646         kfree(ring);
 647 }
 648
 649 /**
 650  * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
 651  * @pf: the i40e_pf created in command write
 652  **/
 653 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
 654 {
 655         int i;
 656
 657         for (i = 0; i < pf->num_alloc_vsi; i++)
 658                 if (pf->vsi[i])
 659                         dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
 660                                  i, pf->vsi[i]->seid);
 661 }
 662
 663 /**
 664  * i40e_dbg_dump_eth_stats - handles dump stats write into command datum
 665  * @pf: the i40e_pf created in command write
 666  * @estats: the eth stats structure to be dumped
 667  **/
 668 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
 669                                     struct i40e_eth_stats *estats)
 670 {
 671         dev_info(&pf->pdev->dev, "  ethstats:\n");
 672         dev_info(&pf->pdev->dev,
 673                  "    rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
 674                 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
 675         dev_info(&pf->pdev->dev,
 676                  "    rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
 677                  estats->rx_broadcast, estats->rx_discards);
 678         dev_info(&pf->pdev->dev,
 679                  "    rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
 680                  estats->rx_unknown_protocol, estats->tx_bytes);
 681         dev_info(&pf->pdev->dev,
 682                  "    tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
 683                  estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
 684         dev_info(&pf->pdev->dev,
 685                  "    tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
 686                  estats->tx_discards, estats->tx_errors);
 687 }
 688
 689 /**
 690  * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
 691  * @pf: the i40e_pf created in command write
 692  * @seid: the seid the user put in
 693  **/
 694 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
 695 {
 696         struct i40e_veb *veb;
 697
 698         veb = i40e_dbg_find_veb(pf, seid);
 699         if (!veb) {
 700                 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
 701                 return;
 702         }
 703         dev_info(&pf->pdev->dev,
 704                  "veb idx=%d,%d stats_ic=%d  seid=%d uplink=%d mode=%s\n",
 705                  veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
 706                  veb->uplink_seid,
 707                  veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
 708         i40e_dbg_dump_eth_stats(pf, &veb->stats);
 709 }
 710
 711 /**
 712  * i40e_dbg_dump_veb_all - dumps all known veb's stats
 713  * @pf: the i40e_pf created in command write
 714  **/
 715 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
 716 {
 717         struct i40e_veb *veb;
 718         int i;
 719
 720         for (i = 0; i < I40E_MAX_VEB; i++) {
 721                 veb = pf->veb[i];
 722                 if (veb)
 723                         i40e_dbg_dump_veb_seid(pf, veb->seid);
 724         }
 725 }
 726
 727 /**
 728  * i40e_dbg_dump_vf - dump VF info
 729  * @pf: the i40e_pf created in command write
 730  * @vf_id: the vf_id from the user
 731  **/
 732 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
 733 {
 734         struct i40e_vf *vf;
 735         struct i40e_vsi *vsi;
 736
 737         if (!pf->num_alloc_vfs) {
 738                 dev_info(&pf->pdev->dev, "no VFs allocated\n");
 739         } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
 740                 vf = &pf->vf[vf_id];
 741                 vsi = pf->vsi[vf->lan_vsi_idx];
 742                 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
 743                          vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
 744                 dev_info(&pf->pdev->dev, "       num MDD=%lld\n",
 745                          vf->num_mdd_events);
 746         } else {
 747                 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
 748         }
 749 }
 750
 751 /**
 752  * i40e_dbg_dump_vf_all - dump VF info for all VFs
 753  * @pf: the i40e_pf created in command write
 754  **/
 755 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
 756 {
 757         int i;
 758
 759         if (!pf->num_alloc_vfs)
 760                 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
 761         else
 762                 for (i = 0; i < pf->num_alloc_vfs; i++)
 763                         i40e_dbg_dump_vf(pf, i);
 764 }
 765
 766 /**
 767  * i40e_dbg_command_write - write into command datum
 768  * @filp: the opened file
 769  * @buffer: where to find the user's data
 770  * @count: the length of the user's data
 771  * @ppos: file position offset
 772  **/
 773 static ssize_t i40e_dbg_command_write(struct file *filp,
 774                                       const char __user *buffer,
 775                                       size_t count, loff_t *ppos)
 776 {
 777         struct i40e_pf *pf = filp->private_data;
 778         char *cmd_buf, *cmd_buf_tmp;
 779         int bytes_not_copied;
 780         struct i40e_vsi *vsi;
 781         int vsi_seid;
 782         int veb_seid;
 783         int vf_id;
 784         int cnt;
 785
 786         /* don't allow partial writes */
 787         if (*ppos != 0)
 788                 return 0;
 789
 790         cmd_buf = kzalloc(count + 1, GFP_KERNEL);
 791         if (!cmd_buf)
 792                 return count;
 793         bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
 794         if (bytes_not_copied) {
 795                 kfree(cmd_buf);
 796                 return -EFAULT;
 797         }
 798         cmd_buf[count] = '\0';
 799
 800         cmd_buf_tmp = strchr(cmd_buf, '\n');
 801         if (cmd_buf_tmp) {
 802                 *cmd_buf_tmp = '\0';
 803                 count = cmd_buf_tmp - cmd_buf + 1;
 804         }
 805
 806         if (strncmp(cmd_buf, "add vsi", 7) == 0) {
 807                 vsi_seid = -1;
 808                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 809                 if (cnt == 0) {
 810                         /* default to PF VSI */
 811                         vsi_seid = pf->vsi[pf->lan_vsi]->seid;
 812                 } else if (vsi_seid < 0) {
 813                         dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
 814                                  vsi_seid);
 815                         goto command_write_done;
 816                 }
 817
 818                 /* By default we are in VEPA mode, if this is the first VF/VMDq
 819                  * VSI to be added switch to VEB mode.
 820                  */
 821                 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
 822                         pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
 823                         i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
 824                 }
 825
 826                 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
 827                 if (vsi)
 828                         dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
 829                                  vsi->seid, vsi->uplink_seid);
 830                 else
 831                         dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
 832
 833         } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
 834                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 835                 if (cnt != 1) {
 836                         dev_info(&pf->pdev->dev,
 837                                  "del vsi: bad command string, cnt=%d\n",
 838                                  cnt);
 839                         goto command_write_done;
 840                 }
 841                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 842                 if (!vsi) {
 843                         dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
 844                                  vsi_seid);
 845                         goto command_write_done;
 846                 }
 847
 848                 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
 849                 i40e_vsi_release(vsi);
 850
 851         } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
 852                 struct i40e_veb *veb;
 853                 int uplink_seid, i;
 854
 855                 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
 856                 if (cnt != 2) {
 857                         dev_info(&pf->pdev->dev,
 858                                  "add relay: bad command string, cnt=%d\n",
 859                                  cnt);
 860                         goto command_write_done;
 861                 } else if (uplink_seid < 0) {
 862                         dev_info(&pf->pdev->dev,
 863                                  "add relay %d: bad uplink seid\n",
 864                                  uplink_seid);
 865                         goto command_write_done;
 866                 }
 867
 868                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 869                 if (!vsi) {
 870                         dev_info(&pf->pdev->dev,
 871                                  "add relay: VSI %d not found\n", vsi_seid);
 872                         goto command_write_done;
 873                 }
 874
 875                 for (i = 0; i < I40E_MAX_VEB; i++)
 876                         if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
 877                                 break;
 878                 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
 879                     uplink_seid != pf->mac_seid) {
 880                         dev_info(&pf->pdev->dev,
 881                                  "add relay: relay uplink %d not found\n",
 882                                  uplink_seid);
 883                         goto command_write_done;
 884                 }
 885
 886                 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
 887                                      vsi->tc_config.enabled_tc);
 888                 if (veb)
 889                         dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
 890                 else
 891                         dev_info(&pf->pdev->dev, "add relay failed\n");
 892
 893         } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
 894                 int i;
 895                 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
 896                 if (cnt != 1) {
 897                         dev_info(&pf->pdev->dev,
 898                                  "del relay: bad command string, cnt=%d\n",
 899                                  cnt);
 900                         goto command_write_done;
 901                 } else if (veb_seid < 0) {
 902                         dev_info(&pf->pdev->dev,
 903                                  "del relay %d: bad relay seid\n", veb_seid);
 904                         goto command_write_done;
 905                 }
 906
 907                 /* find the veb */
 908                 for (i = 0; i < I40E_MAX_VEB; i++)
 909                         if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
 910                                 break;
 911                 if (i >= I40E_MAX_VEB) {
 912                         dev_info(&pf->pdev->dev,
 913                                  "del relay: relay %d not found\n", veb_seid);
 914                         goto command_write_done;
 915                 }
 916
 917                 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
 918                 i40e_veb_release(pf->veb[i]);
 919         } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
 920                 i40e_status ret;
 921                 u16 vid;
 922                 unsigned int v;
 923
 924                 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
 925                 if (cnt != 2) {
 926                         dev_info(&pf->pdev->dev,
 927                                  "add pvid: bad command string, cnt=%d\n", cnt);
 928                         goto command_write_done;
 929                 }
 930
 931                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 932                 if (!vsi) {
 933                         dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
 934                                  vsi_seid);
 935                         goto command_write_done;
 936                 }
 937
 938                 vid = v;
 939                 ret = i40e_vsi_add_pvid(vsi, vid);
 940                 if (!ret)
 941                         dev_info(&pf->pdev->dev,
 942                                  "add pvid: %d added to VSI %d\n",
 943                                  vid, vsi_seid);
 944                 else
 945                         dev_info(&pf->pdev->dev,
 946                                  "add pvid: %d to VSI %d failed, ret=%d\n",
 947                                  vid, vsi_seid, ret);
 948
 949         } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
 950
 951                 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 952                 if (cnt != 1) {
 953                         dev_info(&pf->pdev->dev,
 954                                  "del pvid: bad command string, cnt=%d\n",
 955                                  cnt);
 956                         goto command_write_done;
 957                 }
 958
 959                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 960                 if (!vsi) {
 961                         dev_info(&pf->pdev->dev,
 962                                  "del pvid: VSI %d not found\n", vsi_seid);
 963                         goto command_write_done;
 964                 }
 965
 966                 i40e_vsi_remove_pvid(vsi);
 967                 dev_info(&pf->pdev->dev,
 968                          "del pvid: removed from VSI %d\n", vsi_seid);
 969
 970         } else if (strncmp(cmd_buf, "dump", 4) == 0) {
 971                 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
 972                         i40e_fetch_switch_configuration(pf, true);
 973                 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
 974                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 975                         if (cnt > 0)
 976                                 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
 977                         else
 978                                 i40e_dbg_dump_vsi_no_seid(pf);
 979                 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
 980                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 981                         if (cnt > 0)
 982                                 i40e_dbg_dump_veb_seid(pf, vsi_seid);
 983                         else
 984                                 i40e_dbg_dump_veb_all(pf);
 985                 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
 986                         cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
 987                         if (cnt > 0)
 988                                 i40e_dbg_dump_vf(pf, vf_id);
 989                         else
 990                                 i40e_dbg_dump_vf_all(pf);
 991                 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
 992                         int ring_id, desc_n;
 993                         if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
 994                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
 995                                              &vsi_seid, &ring_id, &desc_n);
 996                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
 997                                                    desc_n, pf, RING_TYPE_RX);
 998                         } else if (strncmp(&cmd_buf[10], "tx", 2)
 999                                         == 0) {
1000                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1001                                              &vsi_seid, &ring_id, &desc_n);
1002                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1003                                                    desc_n, pf, RING_TYPE_TX);
1004                         } else if (strncmp(&cmd_buf[10], "xdp", 3)
1005                                         == 0) {
1006                                 cnt = sscanf(&cmd_buf[13], "%i %i %i",
1007                                              &vsi_seid, &ring_id, &desc_n);
1008                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1009                                                    desc_n, pf, RING_TYPE_XDP);
1010                         } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1011                                 i40e_dbg_dump_aq_desc(pf);
1012                         } else {
1013                                 dev_info(&pf->pdev->dev,
1014                                          "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1015                                 dev_info(&pf->pdev->dev,
1016                                          "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1017                                 dev_info(&pf->pdev->dev,
1018                                          "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1019                                 dev_info(&pf->pdev->dev, "dump desc aq\n");
1020                         }
1021                 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1022                         dev_info(&pf->pdev->dev,
1023                                  "core reset count: %d\n", pf->corer_count);
1024                         dev_info(&pf->pdev->dev,
1025                                  "global reset count: %d\n", pf->globr_count);
1026                         dev_info(&pf->pdev->dev,
1027                                  "emp reset count: %d\n", pf->empr_count);
1028                         dev_info(&pf->pdev->dev,
1029                                  "pf reset count: %d\n", pf->pfr_count);
1030                         dev_info(&pf->pdev->dev,
1031                                  "pf tx sluggish count: %d\n",
1032                                  pf->tx_sluggish_count);
1033                 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1034                         struct i40e_aqc_query_port_ets_config_resp *bw_data;
1035                         struct i40e_dcbx_config *cfg =
1036                                                 &pf->hw.local_dcbx_config;
1037                         struct i40e_dcbx_config *r_cfg =
1038                                                 &pf->hw.remote_dcbx_config;
1039                         int i, ret;
1040                         u16 switch_id;
1041
1042                         bw_data = kzalloc(sizeof(
1043                                     struct i40e_aqc_query_port_ets_config_resp),
1044                                           GFP_KERNEL);
1045                         if (!bw_data) {
1046                                 ret = -ENOMEM;
1047                                 goto command_write_done;
1048                         }
1049
1050                         vsi = pf->vsi[pf->lan_vsi];
1051                         switch_id =
1052                                 le16_to_cpu(vsi->info.switch_id) &
1053                                             I40E_AQ_VSI_SW_ID_MASK;
1054
1055                         ret = i40e_aq_query_port_ets_config(&pf->hw,
1056                                                             switch_id,
1057                                                             bw_data, NULL);
1058                         if (ret) {
1059                                 dev_info(&pf->pdev->dev,
1060                                          "Query Port ETS Config AQ command failed =0x%x\n",
1061                                          pf->hw.aq.asq_last_status);
1062                                 kfree(bw_data);
1063                                 bw_data = NULL;
1064                                 goto command_write_done;
1065                         }
1066                         dev_info(&pf->pdev->dev,
1067                                  "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1068                                  bw_data->tc_valid_bits,
1069                                  bw_data->tc_strict_priority_bits,
1070                                  le16_to_cpu(bw_data->tc_bw_max[0]),
1071                                  le16_to_cpu(bw_data->tc_bw_max[1]));
1072                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1073                                 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1074                                          bw_data->tc_bw_share_credits[i],
1075                                          le16_to_cpu(bw_data->tc_bw_limits[i]));
1076                         }
1077
1078                         kfree(bw_data);
1079                         bw_data = NULL;
1080
1081                         dev_info(&pf->pdev->dev,
1082                                  "port dcbx_mode=%d\n", cfg->dcbx_mode);
1083                         dev_info(&pf->pdev->dev,
1084                                  "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1085                                  cfg->etscfg.willing, cfg->etscfg.cbs,
1086                                  cfg->etscfg.maxtcs);
1087                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1088                                 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1089                                          i, cfg->etscfg.prioritytable[i],
1090                                          cfg->etscfg.tcbwtable[i],
1091                                          cfg->etscfg.tsatable[i]);
1092                         }
1093                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1094                                 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1095                                          i, cfg->etsrec.prioritytable[i],
1096                                          cfg->etsrec.tcbwtable[i],
1097                                          cfg->etsrec.tsatable[i]);
1098                         }
1099                         dev_info(&pf->pdev->dev,
1100                                  "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1101                                  cfg->pfc.willing, cfg->pfc.mbc,
1102                                  cfg->pfc.pfccap, cfg->pfc.pfcenable);
1103                         dev_info(&pf->pdev->dev,
1104                                  "port app_table: num_apps=%d\n", cfg->numapps);
1105                         for (i = 0; i < cfg->numapps; i++) {
1106                                 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1107                                          i, cfg->app[i].priority,
1108                                          cfg->app[i].selector,
1109                                          cfg->app[i].protocolid);
1110                         }
1111                         /* Peer TLV DCBX data */
1112                         dev_info(&pf->pdev->dev,
1113                                  "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1114                                  r_cfg->etscfg.willing,
1115                                  r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1116                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1117                                 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1118                                          i, r_cfg->etscfg.prioritytable[i],
1119                                          r_cfg->etscfg.tcbwtable[i],
1120                                          r_cfg->etscfg.tsatable[i]);
1121                         }
1122                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1123                                 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1124                                          i, r_cfg->etsrec.prioritytable[i],
1125                                          r_cfg->etsrec.tcbwtable[i],
1126                                          r_cfg->etsrec.tsatable[i]);
1127                         }
1128                         dev_info(&pf->pdev->dev,
1129                                  "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1130                                  r_cfg->pfc.willing,
1131                                  r_cfg->pfc.mbc,
1132                                  r_cfg->pfc.pfccap,
1133                                  r_cfg->pfc.pfcenable);
1134                         dev_info(&pf->pdev->dev,
1135                                  "remote port app_table: num_apps=%d\n",
1136                                  r_cfg->numapps);
1137                         for (i = 0; i < r_cfg->numapps; i++) {
1138                                 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1139                                          i, r_cfg->app[i].priority,
1140                                          r_cfg->app[i].selector,
1141                                          r_cfg->app[i].protocolid);
1142                         }
1143                 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1144                         int cluster_id, table_id;
1145                         int index, ret;
1146                         u16 buff_len = 4096;
1147                         u32 next_index;
1148                         u8 next_table;
1149                         u8 *buff;
1150                         u16 rlen;
1151
1152                         cnt = sscanf(&cmd_buf[18], "%i %i %i",
1153                                      &cluster_id, &table_id, &index);
1154                         if (cnt != 3) {
1155                                 dev_info(&pf->pdev->dev,
1156                                          "dump debug fwdata <cluster_id> <table_id> <index>\n");
1157                                 goto command_write_done;
1158                         }
1159
1160                         dev_info(&pf->pdev->dev,
1161                                  "AQ debug dump fwdata params %x %x %x %x\n",
1162                                  cluster_id, table_id, index, buff_len);
1163                         buff = kzalloc(buff_len, GFP_KERNEL);
1164                         if (!buff)
1165                                 goto command_write_done;
1166
1167                         ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1168                                                  index, buff_len, buff, &rlen,
1169                                                  &next_table, &next_index,
1170                                                  NULL);
1171                         if (ret) {
1172                                 dev_info(&pf->pdev->dev,
1173                                          "debug dump fwdata AQ Failed %d 0x%x\n",
1174                                          ret, pf->hw.aq.asq_last_status);
1175                                 kfree(buff);
1176                                 buff = NULL;
1177                                 goto command_write_done;
1178                         }
1179                         dev_info(&pf->pdev->dev,
1180                                  "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1181                                  rlen, next_table, next_index);
1182                         print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1183                                        DUMP_PREFIX_OFFSET, 16, 1,
1184                                        buff, rlen, true);
1185                         kfree(buff);
1186                         buff = NULL;
1187                 } else {
1188                         dev_info(&pf->pdev->dev,
1189                                  "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>], dump desc xdp <vsi_seid> <ring_id> [<desc_n>],\n");
1190                         dev_info(&pf->pdev->dev, "dump switch\n");
1191                         dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1192                         dev_info(&pf->pdev->dev, "dump reset stats\n");
1193                         dev_info(&pf->pdev->dev, "dump port\n");
1194                         dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1195                         dev_info(&pf->pdev->dev,
1196                                  "dump debug fwdata <cluster_id> <table_id> <index>\n");
1197                 }
1198         } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1199                 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1200                 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1201
1202         } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1203                 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1204                 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1205
1206         } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1207                 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1208                 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1209
1210         } else if (strncmp(cmd_buf, "read", 4) == 0) {
1211                 u32 address;
1212                 u32 value;
1213
1214                 cnt = sscanf(&cmd_buf[4], "%i", &address);
1215                 if (cnt != 1) {
1216                         dev_info(&pf->pdev->dev, "read <reg>\n");
1217                         goto command_write_done;
1218                 }
1219
1220                 /* check the range on address */
1221                 if (address > (pf->ioremap_len - sizeof(u32))) {
1222                         dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1223                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1224                         goto command_write_done;
1225                 }
1226
1227                 value = rd32(&pf->hw, address);
1228                 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1229                          address, value);
1230
1231         } else if (strncmp(cmd_buf, "write", 5) == 0) {
1232                 u32 address, value;
1233
1234                 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1235                 if (cnt != 2) {
1236                         dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1237                         goto command_write_done;
1238                 }
1239
1240                 /* check the range on address */
1241                 if (address > (pf->ioremap_len - sizeof(u32))) {
1242                         dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1243                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1244                         goto command_write_done;
1245                 }
1246                 wr32(&pf->hw, address, value);
1247                 value = rd32(&pf->hw, address);
1248                 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1249                          address, value);
1250         } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1251                 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1252                         cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1253                         if (cnt == 0) {
1254                                 int i;
1255
1256                                 for (i = 0; i < pf->num_alloc_vsi; i++)
1257                                         i40e_vsi_reset_stats(pf->vsi[i]);
1258                                 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1259                         } else if (cnt == 1) {
1260                                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1261                                 if (!vsi) {
1262                                         dev_info(&pf->pdev->dev,
1263                                                  "clear_stats vsi: bad vsi %d\n",
1264                                                  vsi_seid);
1265                                         goto command_write_done;
1266                                 }
1267                                 i40e_vsi_reset_stats(vsi);
1268                                 dev_info(&pf->pdev->dev,
1269                                          "vsi clear stats called for vsi %d\n",
1270                                          vsi_seid);
1271                         } else {
1272                                 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1273                         }
1274                 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1275                         if (pf->hw.partition_id == 1) {
1276                                 i40e_pf_reset_stats(pf);
1277                                 dev_info(&pf->pdev->dev, "port stats cleared\n");
1278                         } else {
1279                                 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1280                         }
1281                 } else {
1282                         dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1283                 }
1284         } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1285                 struct i40e_aq_desc *desc;
1286                 i40e_status ret;
1287
1288                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1289                 if (!desc)
1290                         goto command_write_done;
1291                 cnt = sscanf(&cmd_buf[11],
1292                              "%hi %hi %hi %hi %i %i %i %i %i %i",
1293                              &desc->flags,
1294                              &desc->opcode, &desc->datalen, &desc->retval,
1295                              &desc->cookie_high, &desc->cookie_low,
1296                              &desc->params.internal.param0,
1297                              &desc->params.internal.param1,
1298                              &desc->params.internal.param2,
1299                              &desc->params.internal.param3);
1300                 if (cnt != 10) {
1301                         dev_info(&pf->pdev->dev,
1302                                  "send aq_cmd: bad command string, cnt=%d\n",
1303                                  cnt);
1304                         kfree(desc);
1305                         desc = NULL;
1306                         goto command_write_done;
1307                 }
1308                 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1309                 if (!ret) {
1310                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1311                 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1312                         dev_info(&pf->pdev->dev,
1313                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1314                                  desc->opcode, pf->hw.aq.asq_last_status);
1315                 } else {
1316                         dev_info(&pf->pdev->dev,
1317                                  "AQ command send failed Opcode %x Status: %d\n",
1318                                  desc->opcode, ret);
1319                 }
1320                 dev_info(&pf->pdev->dev,
1321                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1322                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1323                          desc->cookie_high, desc->cookie_low,
1324                          desc->params.internal.param0,
1325                          desc->params.internal.param1,
1326                          desc->params.internal.param2,
1327                          desc->params.internal.param3);
1328                 kfree(desc);
1329                 desc = NULL;
1330         } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1331                 struct i40e_aq_desc *desc;
1332                 i40e_status ret;
1333                 u16 buffer_len;
1334                 u8 *buff;
1335
1336                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1337                 if (!desc)
1338                         goto command_write_done;
1339                 cnt = sscanf(&cmd_buf[20],
1340                              "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1341                              &desc->flags,
1342                              &desc->opcode, &desc->datalen, &desc->retval,
1343                              &desc->cookie_high, &desc->cookie_low,
1344                              &desc->params.internal.param0,
1345                              &desc->params.internal.param1,
1346                              &desc->params.internal.param2,
1347                              &desc->params.internal.param3,
1348                              &buffer_len);
1349                 if (cnt != 11) {
1350                         dev_info(&pf->pdev->dev,
1351                                  "send indirect aq_cmd: bad command string, cnt=%d\n",
1352                                  cnt);
1353                         kfree(desc);
1354                         desc = NULL;
1355                         goto command_write_done;
1356                 }
1357                 /* Just stub a buffer big enough in case user messed up */
1358                 if (buffer_len == 0)
1359                         buffer_len = 1280;
1360
1361                 buff = kzalloc(buffer_len, GFP_KERNEL);
1362                 if (!buff) {
1363                         kfree(desc);
1364                         desc = NULL;
1365                         goto command_write_done;
1366                 }
1367                 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1368                 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1369                                             buffer_len, NULL);
1370                 if (!ret) {
1371                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1372                 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1373                         dev_info(&pf->pdev->dev,
1374                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1375                                  desc->opcode, pf->hw.aq.asq_last_status);
1376                 } else {
1377                         dev_info(&pf->pdev->dev,
1378                                  "AQ command send failed Opcode %x Status: %d\n",
1379                                  desc->opcode, ret);
1380                 }
1381                 dev_info(&pf->pdev->dev,
1382                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1383                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1384                          desc->cookie_high, desc->cookie_low,
1385                          desc->params.internal.param0,
1386                          desc->params.internal.param1,
1387                          desc->params.internal.param2,
1388                          desc->params.internal.param3);
1389                 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1390                                DUMP_PREFIX_OFFSET, 16, 1,
1391                                buff, buffer_len, true);
1392                 kfree(buff);
1393                 buff = NULL;
1394                 kfree(desc);
1395                 desc = NULL;
1396         } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1397                 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1398                          i40e_get_current_fd_count(pf));
1399         } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1400                 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1401                         int ret;
1402
1403                         ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
1404                         if (ret) {
1405                                 dev_info(&pf->pdev->dev,
1406                                          "Stop LLDP AQ command failed =0x%x\n",
1407                                          pf->hw.aq.asq_last_status);
1408                                 goto command_write_done;
1409                         }
1410                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1411                                                 pf->hw.mac.addr,
1412                                                 ETH_P_LLDP, 0,
1413                                                 pf->vsi[pf->lan_vsi]->seid,
1414                                                 0, true, NULL, NULL);
1415                         if (ret) {
1416                                 dev_info(&pf->pdev->dev,
1417                                         "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1418                                         __func__, pf->hw.aq.asq_last_status);
1419                                 goto command_write_done;
1420                         }
1421 #ifdef CONFIG_I40E_DCB
1422                         pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1423                                        DCB_CAP_DCBX_VER_IEEE;
1424 #endif /* CONFIG_I40E_DCB */
1425                 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1426                         int ret;
1427
1428                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1429                                                 pf->hw.mac.addr,
1430                                                 ETH_P_LLDP, 0,
1431                                                 pf->vsi[pf->lan_vsi]->seid,
1432                                                 0, false, NULL, NULL);
1433                         if (ret) {
1434                                 dev_info(&pf->pdev->dev,
1435                                         "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1436                                         __func__, pf->hw.aq.asq_last_status);
1437                                 /* Continue and start FW LLDP anyways */
1438                         }
1439
1440                         ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
1441                         if (ret) {
1442                                 dev_info(&pf->pdev->dev,
1443                                          "Start LLDP AQ command failed =0x%x\n",
1444                                          pf->hw.aq.asq_last_status);
1445                                 goto command_write_done;
1446                         }
1447 #ifdef CONFIG_I40E_DCB
1448                         pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1449                                        DCB_CAP_DCBX_VER_IEEE;
1450 #endif /* CONFIG_I40E_DCB */
1451                 } else if (strncmp(&cmd_buf[5],
1452                            "get local", 9) == 0) {
1453                         u16 llen, rlen;
1454                         int ret;
1455                         u8 *buff;
1456
1457                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1458                         if (!buff)
1459                                 goto command_write_done;
1460
1461                         ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1462                                                    I40E_AQ_LLDP_MIB_LOCAL,
1463                                                    buff, I40E_LLDPDU_SIZE,
1464                                                    &llen, &rlen, NULL);
1465                         if (ret) {
1466                                 dev_info(&pf->pdev->dev,
1467                                          "Get LLDP MIB (local) AQ command failed =0x%x\n",
1468                                          pf->hw.aq.asq_last_status);
1469                                 kfree(buff);
1470                                 buff = NULL;
1471                                 goto command_write_done;
1472                         }
1473                         dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1474                         print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1475                                        DUMP_PREFIX_OFFSET, 16, 1,
1476                                        buff, I40E_LLDPDU_SIZE, true);
1477                         kfree(buff);
1478                         buff = NULL;
1479                 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1480                         u16 llen, rlen;
1481                         int ret;
1482                         u8 *buff;
1483
1484                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1485                         if (!buff)
1486                                 goto command_write_done;
1487
1488                         ret = i40e_aq_get_lldp_mib(&pf->hw,
1489                                         I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1490                                         I40E_AQ_LLDP_MIB_REMOTE,
1491                                         buff, I40E_LLDPDU_SIZE,
1492                                         &llen, &rlen, NULL);
1493                         if (ret) {
1494                                 dev_info(&pf->pdev->dev,
1495                                          "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1496                                          pf->hw.aq.asq_last_status);
1497                                 kfree(buff);
1498                                 buff = NULL;
1499                                 goto command_write_done;
1500                         }
1501                         dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1502                         print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1503                                        DUMP_PREFIX_OFFSET, 16, 1,
1504                                        buff, I40E_LLDPDU_SIZE, true);
1505                         kfree(buff);
1506                         buff = NULL;
1507                 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1508                         int ret;
1509
1510                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1511                                                                 true, NULL);
1512                         if (ret) {
1513                                 dev_info(&pf->pdev->dev,
1514                                          "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1515                                          pf->hw.aq.asq_last_status);
1516                                 goto command_write_done;
1517                         }
1518                 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1519                         int ret;
1520
1521                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1522                                                                 false, NULL);
1523                         if (ret) {
1524                                 dev_info(&pf->pdev->dev,
1525                                          "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1526                                          pf->hw.aq.asq_last_status);
1527                                 goto command_write_done;
1528                         }
1529                 }
1530         } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1531                 u16 buffer_len, bytes;
1532                 u16 module;
1533                 u32 offset;
1534                 u16 *buff;
1535                 int ret;
1536
1537                 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1538                              &module, &offset, &buffer_len);
1539                 if (cnt == 0) {
1540                         module = 0;
1541                         offset = 0;
1542                         buffer_len = 0;
1543                 } else if (cnt == 1) {
1544                         offset = 0;
1545                         buffer_len = 0;
1546                 } else if (cnt == 2) {
1547                         buffer_len = 0;
1548                 } else if (cnt > 3) {
1549                         dev_info(&pf->pdev->dev,
1550                                  "nvm read: bad command string, cnt=%d\n", cnt);
1551                         goto command_write_done;
1552                 }
1553
1554                 /* set the max length */
1555                 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1556
1557                 bytes = 2 * buffer_len;
1558
1559                 /* read at least 1k bytes, no more than 4kB */
1560                 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1561                 buff = kzalloc(bytes, GFP_KERNEL);
1562                 if (!buff)
1563                         goto command_write_done;
1564
1565                 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1566                 if (ret) {
1567                         dev_info(&pf->pdev->dev,
1568                                  "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1569                                  ret, pf->hw.aq.asq_last_status);
1570                         kfree(buff);
1571                         goto command_write_done;
1572                 }
1573
1574                 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1575                                        bytes, (u8 *)buff, true, NULL);
1576                 i40e_release_nvm(&pf->hw);
1577                 if (ret) {
1578                         dev_info(&pf->pdev->dev,
1579                                  "Read NVM AQ failed err=%d status=0x%x\n",
1580                                  ret, pf->hw.aq.asq_last_status);
1581                 } else {
1582                         dev_info(&pf->pdev->dev,
1583                                  "Read NVM module=0x%x offset=0x%x words=%d\n",
1584                                  module, offset, buffer_len);
1585                         if (bytes)
1586                                 print_hex_dump(KERN_INFO, "NVM Dump: ",
1587                                         DUMP_PREFIX_OFFSET, 16, 2,
1588                                         buff, bytes, true);
1589                 }
1590                 kfree(buff);
1591                 buff = NULL;
1592         } else {
1593                 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1594                 dev_info(&pf->pdev->dev, "available commands\n");
1595                 dev_info(&pf->pdev->dev, "  add vsi [relay_seid]\n");
1596                 dev_info(&pf->pdev->dev, "  del vsi [vsi_seid]\n");
1597                 dev_info(&pf->pdev->dev, "  add relay <uplink_seid> <vsi_seid>\n");
1598                 dev_info(&pf->pdev->dev, "  del relay <relay_seid>\n");
1599                 dev_info(&pf->pdev->dev, "  add pvid <vsi_seid> <vid>\n");
1600                 dev_info(&pf->pdev->dev, "  del pvid <vsi_seid>\n");
1601                 dev_info(&pf->pdev->dev, "  dump switch\n");
1602                 dev_info(&pf->pdev->dev, "  dump vsi [seid]\n");
1603                 dev_info(&pf->pdev->dev, "  dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1604                 dev_info(&pf->pdev->dev, "  dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1605                 dev_info(&pf->pdev->dev, "  dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1606                 dev_info(&pf->pdev->dev, "  dump desc aq\n");
1607                 dev_info(&pf->pdev->dev, "  dump reset stats\n");
1608                 dev_info(&pf->pdev->dev, "  dump debug fwdata <cluster_id> <table_id> <index>\n");
1609                 dev_info(&pf->pdev->dev, "  read <reg>\n");
1610                 dev_info(&pf->pdev->dev, "  write <reg> <value>\n");
1611                 dev_info(&pf->pdev->dev, "  clear_stats vsi [seid]\n");
1612                 dev_info(&pf->pdev->dev, "  clear_stats port\n");
1613                 dev_info(&pf->pdev->dev, "  pfr\n");
1614                 dev_info(&pf->pdev->dev, "  corer\n");
1615                 dev_info(&pf->pdev->dev, "  globr\n");
1616                 dev_info(&pf->pdev->dev, "  send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1617                 dev_info(&pf->pdev->dev, "  send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1618                 dev_info(&pf->pdev->dev, "  fd current cnt");
1619                 dev_info(&pf->pdev->dev, "  lldp start\n");
1620                 dev_info(&pf->pdev->dev, "  lldp stop\n");
1621                 dev_info(&pf->pdev->dev, "  lldp get local\n");
1622                 dev_info(&pf->pdev->dev, "  lldp get remote\n");
1623                 dev_info(&pf->pdev->dev, "  lldp event on\n");
1624                 dev_info(&pf->pdev->dev, "  lldp event off\n");
1625                 dev_info(&pf->pdev->dev, "  nvm read [module] [word_offset] [word_count]\n");
1626         }
1627
1628 command_write_done:
1629         kfree(cmd_buf);
1630         cmd_buf = NULL;
1631         return count;
1632 }
1633
1634 static const struct file_operations i40e_dbg_command_fops = {
1635         .owner = THIS_MODULE,
1636         .open =  simple_open,
1637         .read =  i40e_dbg_command_read,
1638         .write = i40e_dbg_command_write,
1639 };
1640
1641 /**************************************************************
1642  * netdev_ops
1643  * The netdev_ops entry in debugfs is for giving the driver commands
1644  * to be executed from the netdev operations.
1645  **************************************************************/
1646 static char i40e_dbg_netdev_ops_buf[256] = "";
1647
1648 /**
1649  * i40e_dbg_netdev_ops_read - read for netdev_ops datum
1650  * @filp: the opened file
1651  * @buffer: where to write the data for the user to read
1652  * @count: the size of the user's buffer
1653  * @ppos: file position offset
1654  **/
1655 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1656                                         size_t count, loff_t *ppos)
1657 {
1658         struct i40e_pf *pf = filp->private_data;
1659         int bytes_not_copied;
1660         int buf_size = 256;
1661         char *buf;
1662         int len;
1663
1664         /* don't allow partal reads */
1665         if (*ppos != 0)
1666                 return 0;
1667         if (count < buf_size)
1668                 return -ENOSPC;
1669
1670         buf = kzalloc(buf_size, GFP_KERNEL);
1671         if (!buf)
1672                 return -ENOSPC;
1673
1674         len = snprintf(buf, buf_size, "%s: %s\n",
1675                        pf->vsi[pf->lan_vsi]->netdev->name,
1676                        i40e_dbg_netdev_ops_buf);
1677
1678         bytes_not_copied = copy_to_user(buffer, buf, len);
1679         kfree(buf);
1680
1681         if (bytes_not_copied)
1682                 return -EFAULT;
1683
1684         *ppos = len;
1685         return len;
1686 }
1687
1688 /**
1689  * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1690  * @filp: the opened file
1691  * @buffer: where to find the user's data
1692  * @count: the length of the user's data
1693  * @ppos: file position offset
1694  **/
1695 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1696                                          const char __user *buffer,
1697                                          size_t count, loff_t *ppos)
1698 {
1699         struct i40e_pf *pf = filp->private_data;
1700         int bytes_not_copied;
1701         struct i40e_vsi *vsi;
1702         char *buf_tmp;
1703         int vsi_seid;
1704         int i, cnt;
1705
1706         /* don't allow partial writes */
1707         if (*ppos != 0)
1708                 return 0;
1709         if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1710                 return -ENOSPC;
1711
1712         memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1713         bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1714                                           buffer, count);
1715         if (bytes_not_copied)
1716                 return -EFAULT;
1717         i40e_dbg_netdev_ops_buf[count] = '\0';
1718
1719         buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1720         if (buf_tmp) {
1721                 *buf_tmp = '\0';
1722                 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1723         }
1724
1725         if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1726                 int mtu;
1727
1728                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1729                              &vsi_seid, &mtu);
1730                 if (cnt != 2) {
1731                         dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1732                         goto netdev_ops_write_done;
1733                 }
1734                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1735                 if (!vsi) {
1736                         dev_info(&pf->pdev->dev,
1737                                  "change_mtu: VSI %d not found\n", vsi_seid);
1738                 } else if (!vsi->netdev) {
1739                         dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1740                                  vsi_seid);
1741                 } else if (rtnl_trylock()) {
1742                         vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1743                                                                 mtu);
1744                         rtnl_unlock();
1745                         dev_info(&pf->pdev->dev, "change_mtu called\n");
1746                 } else {
1747                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1748                 }
1749
1750         } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1751                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1752                 if (cnt != 1) {
1753                         dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1754                         goto netdev_ops_write_done;
1755                 }
1756                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1757                 if (!vsi) {
1758                         dev_info(&pf->pdev->dev,
1759                                  "set_rx_mode: VSI %d not found\n", vsi_seid);
1760                 } else if (!vsi->netdev) {
1761                         dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1762                                  vsi_seid);
1763                 } else if (rtnl_trylock()) {
1764                         vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1765                         rtnl_unlock();
1766                         dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1767                 } else {
1768                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1769                 }
1770
1771         } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1772                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1773                 if (cnt != 1) {
1774                         dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1775                         goto netdev_ops_write_done;
1776                 }
1777                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1778                 if (!vsi) {
1779                         dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1780                                  vsi_seid);
1781                 } else if (!vsi->netdev) {
1782                         dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1783                                  vsi_seid);
1784                 } else {
1785                         for (i = 0; i < vsi->num_q_vectors; i++)
1786                                 napi_schedule(&vsi->q_vectors[i]->napi);
1787                         dev_info(&pf->pdev->dev, "napi called\n");
1788                 }
1789         } else {
1790                 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1791                          i40e_dbg_netdev_ops_buf);
1792                 dev_info(&pf->pdev->dev, "available commands\n");
1793                 dev_info(&pf->pdev->dev, "  change_mtu <vsi_seid> <mtu>\n");
1794                 dev_info(&pf->pdev->dev, "  set_rx_mode <vsi_seid>\n");
1795                 dev_info(&pf->pdev->dev, "  napi <vsi_seid>\n");
1796         }
1797 netdev_ops_write_done:
1798         return count;
1799 }
1800
1801 static const struct file_operations i40e_dbg_netdev_ops_fops = {
1802         .owner = THIS_MODULE,
1803         .open = simple_open,
1804         .read = i40e_dbg_netdev_ops_read,
1805         .write = i40e_dbg_netdev_ops_write,
1806 };
1807
1808 /**
1809  * i40e_dbg_pf_init - setup the debugfs directory for the PF
1810  * @pf: the PF that is starting up
1811  **/
1812 void i40e_dbg_pf_init(struct i40e_pf *pf)
1813 {
1814         const char *name = pci_name(pf->pdev);
1815
1816         pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1817
1818         debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1819                             &i40e_dbg_command_fops);
1820
1821         debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1822                             &i40e_dbg_netdev_ops_fops);
1823 }
1824
1825 /**
1826  * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1827  * @pf: the PF that is stopping
1828  **/
1829 void i40e_dbg_pf_exit(struct i40e_pf *pf)
1830 {
1831         debugfs_remove_recursive(pf->i40e_dbg_pf);
1832         pf->i40e_dbg_pf = NULL;
1833 }
1834
1835 /**
1836  * i40e_dbg_init - start up debugfs for the driver
1837  **/
1838 void i40e_dbg_init(void)
1839 {
1840         i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1841         if (!i40e_dbg_root)
1842                 pr_info("init of debugfs failed\n");
1843 }
1844
1845 /**
1846  * i40e_dbg_exit - clean out the driver's debugfs entries
1847  **/
1848 void i40e_dbg_exit(void)
1849 {
1850         debugfs_remove_recursive(i40e_dbg_root);
1851         i40e_dbg_root = NULL;
1852 }
1853
1854 #endif /* CONFIG_DEBUG_FS */