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 = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\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 = %lld, page_reuse_count = %lld\n",
 279                          i,
 280                          rx_ring->rx_stats.realloc_count,
 281                          rx_ring->rx_stats.page_reuse_count);
 282                 dev_info(&pf->pdev->dev,
 283                          "    rx_rings[%i]: size = %i\n",
 284                          i, rx_ring->size);
 285                 dev_info(&pf->pdev->dev,
 286                          "    rx_rings[%i]: itr_setting = %d (%s)\n",
 287                          i, rx_ring->itr_setting,
 288                          ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed");
 289         }
 290         for (i = 0; i < vsi->num_queue_pairs; i++) {
 291                 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]);
 292
 293                 if (!tx_ring)
 294                         continue;
 295
 296                 dev_info(&pf->pdev->dev,
 297                          "    tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
 298                          i, *tx_ring->state,
 299                          tx_ring->queue_index,
 300                          tx_ring->reg_idx);
 301                 dev_info(&pf->pdev->dev,
 302                          "    tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 303                          i,
 304                          tx_ring->next_to_use,
 305                          tx_ring->next_to_clean,
 306                          tx_ring->ring_active);
 307                 dev_info(&pf->pdev->dev,
 308                          "    tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
 309                          i, tx_ring->stats.packets,
 310                          tx_ring->stats.bytes,
 311                          tx_ring->tx_stats.restart_queue);
 312                 dev_info(&pf->pdev->dev,
 313                          "    tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
 314                          i,
 315                          tx_ring->tx_stats.tx_busy,
 316                          tx_ring->tx_stats.tx_done_old);
 317                 dev_info(&pf->pdev->dev,
 318                          "    tx_rings[%i]: size = %i\n",
 319                          i, tx_ring->size);
 320                 dev_info(&pf->pdev->dev,
 321                          "    tx_rings[%i]: DCB tc = %d\n",
 322                          i, tx_ring->dcb_tc);
 323                 dev_info(&pf->pdev->dev,
 324                          "    tx_rings[%i]: itr_setting = %d (%s)\n",
 325                          i, tx_ring->itr_setting,
 326                          ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed");
 327         }
 328         if (i40e_enabled_xdp_vsi(vsi)) {
 329                 for (i = 0; i < vsi->num_queue_pairs; i++) {
 330                         struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]);
 331
 332                         if (!xdp_ring)
 333                                 continue;
 334
 335                         dev_info(&pf->pdev->dev,
 336                                  "    xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
 337                                  i, *xdp_ring->state,
 338                                  xdp_ring->queue_index,
 339                                  xdp_ring->reg_idx);
 340                         dev_info(&pf->pdev->dev,
 341                                  "    xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 342                                  i,
 343                                  xdp_ring->next_to_use,
 344                                  xdp_ring->next_to_clean,
 345                                  xdp_ring->ring_active);
 346                         dev_info(&pf->pdev->dev,
 347                                  "    xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
 348                                  i, xdp_ring->stats.packets,
 349                                  xdp_ring->stats.bytes,
 350                                  xdp_ring->tx_stats.restart_queue);
 351                         dev_info(&pf->pdev->dev,
 352                                  "    xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
 353                                  i,
 354                                  xdp_ring->tx_stats.tx_busy,
 355                                  xdp_ring->tx_stats.tx_done_old);
 356                         dev_info(&pf->pdev->dev,
 357                                  "    xdp_rings[%i]: size = %i\n",
 358                                  i, xdp_ring->size);
 359                         dev_info(&pf->pdev->dev,
 360                                  "    xdp_rings[%i]: DCB tc = %d\n",
 361                                  i, xdp_ring->dcb_tc);
 362                         dev_info(&pf->pdev->dev,
 363                                  "    xdp_rings[%i]: itr_setting = %d (%s)\n",
 364                                  i, xdp_ring->itr_setting,
 365                                  ITR_IS_DYNAMIC(xdp_ring->itr_setting) ?
 366                                  "dynamic" : "fixed");
 367                 }
 368         }
 369         rcu_read_unlock();
 370         dev_info(&pf->pdev->dev,
 371                  "    work_limit = %d\n",
 372                  vsi->work_limit);
 373         dev_info(&pf->pdev->dev,
 374                  "    max_frame = %d, rx_buf_len = %d dtype = %d\n",
 375                  vsi->max_frame, vsi->rx_buf_len, 0);
 376         dev_info(&pf->pdev->dev,
 377                  "    num_q_vectors = %i, base_vector = %i\n",
 378                  vsi->num_q_vectors, vsi->base_vector);
 379         dev_info(&pf->pdev->dev,
 380                  "    seid = %d, id = %d, uplink_seid = %d\n",
 381                  vsi->seid, vsi->id, vsi->uplink_seid);
 382         dev_info(&pf->pdev->dev,
 383                  "    base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n",
 384                  vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc,
 385                  vsi->num_rx_desc);
 386         dev_info(&pf->pdev->dev, "    type = %i\n", vsi->type);
 387         if (vsi->type == I40E_VSI_SRIOV)
 388                 dev_info(&pf->pdev->dev, "    VF ID = %i\n", vsi->vf_id);
 389         dev_info(&pf->pdev->dev,
 390                  "    info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
 391                  vsi->info.valid_sections, vsi->info.switch_id);
 392         dev_info(&pf->pdev->dev,
 393                  "    info: sw_reserved[] = 0x%02x 0x%02x\n",
 394                  vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
 395         dev_info(&pf->pdev->dev,
 396                  "    info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
 397                  vsi->info.sec_flags, vsi->info.sec_reserved);
 398         dev_info(&pf->pdev->dev,
 399                  "    info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
 400                  vsi->info.pvid, vsi->info.fcoe_pvid,
 401                  vsi->info.port_vlan_flags);
 402         dev_info(&pf->pdev->dev,
 403                  "    info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
 404                  vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
 405                  vsi->info.pvlan_reserved[2]);
 406         dev_info(&pf->pdev->dev,
 407                  "    info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
 408                  vsi->info.ingress_table, vsi->info.egress_table);
 409         dev_info(&pf->pdev->dev,
 410                  "    info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
 411                  vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
 412                  vsi->info.cas_pv_reserved);
 413         dev_info(&pf->pdev->dev,
 414                  "    info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 415                  vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
 416                  vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
 417                  vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
 418                  vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
 419         dev_info(&pf->pdev->dev,
 420                  "    info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 421                  vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
 422                  vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
 423                  vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
 424                  vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
 425         dev_info(&pf->pdev->dev,
 426                  "    info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 427                  vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
 428                  vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
 429                  vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
 430                  vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
 431         dev_info(&pf->pdev->dev,
 432                  "    info: queueing_opt_flags = 0x%02x  queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
 433                  vsi->info.queueing_opt_flags,
 434                  vsi->info.queueing_opt_reserved[0],
 435                  vsi->info.queueing_opt_reserved[1],
 436                  vsi->info.queueing_opt_reserved[2]);
 437         dev_info(&pf->pdev->dev,
 438                  "    info: up_enable_bits = 0x%02x\n",
 439                  vsi->info.up_enable_bits);
 440         dev_info(&pf->pdev->dev,
 441                  "    info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
 442                  vsi->info.sched_reserved, vsi->info.outer_up_table);
 443         dev_info(&pf->pdev->dev,
 444                  "    info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
 445                  vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
 446                  vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
 447                  vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
 448                  vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
 449         dev_info(&pf->pdev->dev,
 450                  "    info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 451                  vsi->info.qs_handle[0], vsi->info.qs_handle[1],
 452                  vsi->info.qs_handle[2], vsi->info.qs_handle[3],
 453                  vsi->info.qs_handle[4], vsi->info.qs_handle[5],
 454                  vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
 455         dev_info(&pf->pdev->dev,
 456                  "    info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
 457                  vsi->info.stat_counter_idx, vsi->info.sched_id);
 458         dev_info(&pf->pdev->dev,
 459                  "    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",
 460                  vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
 461                  vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
 462                  vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
 463                  vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
 464                  vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
 465                  vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
 466         dev_info(&pf->pdev->dev, "    idx = %d\n", vsi->idx);
 467         dev_info(&pf->pdev->dev,
 468                  "    tc_config: numtc = %d, enabled_tc = 0x%x\n",
 469                  vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
 470         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 471                 dev_info(&pf->pdev->dev,
 472                          "    tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
 473                          i, vsi->tc_config.tc_info[i].qoffset,
 474                          vsi->tc_config.tc_info[i].qcount,
 475                          vsi->tc_config.tc_info[i].netdev_tc);
 476         }
 477         dev_info(&pf->pdev->dev,
 478                  "    bw: bw_limit = %d, bw_max_quanta = %d\n",
 479                  vsi->bw_limit, vsi->bw_max_quanta);
 480         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 481                 dev_info(&pf->pdev->dev,
 482                          "    bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
 483                          i, vsi->bw_ets_share_credits[i],
 484                          vsi->bw_ets_limit_credits[i],
 485                          vsi->bw_ets_max_quanta[i]);
 486         }
 487 }
 488
 489 /**
 490  * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
 491  * @pf: the i40e_pf created in command write
 492  **/
 493 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
 494 {
 495         struct i40e_adminq_ring *ring;
 496         struct i40e_hw *hw = &pf->hw;
 497         char hdr[32];
 498         int i;
 499
 500         snprintf(hdr, sizeof(hdr), "%s %s:         ",
 501                  dev_driver_string(&pf->pdev->dev),
 502                  dev_name(&pf->pdev->dev));
 503
 504         /* first the send (command) ring, then the receive (event) ring */
 505         dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
 506         ring = &(hw->aq.asq);
 507         for (i = 0; i < ring->count; i++) {
 508                 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 509
 510                 dev_info(&pf->pdev->dev,
 511                          "   at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 512                          i, d->flags, d->opcode, d->datalen, d->retval,
 513                          d->cookie_high, d->cookie_low);
 514                 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 515                                16, 1, d->params.raw, 16, 0);
 516         }
 517
 518         dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
 519         ring = &(hw->aq.arq);
 520         for (i = 0; i < ring->count; i++) {
 521                 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 522
 523                 dev_info(&pf->pdev->dev,
 524                          "   ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 525                          i, d->flags, d->opcode, d->datalen, d->retval,
 526                          d->cookie_high, d->cookie_low);
 527                 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 528                                16, 1, d->params.raw, 16, 0);
 529         }
 530 }
 531
 532 /**
 533  * i40e_dbg_dump_desc - handles dump desc write into command datum
 534  * @cnt: number of arguments that the user supplied
 535  * @vsi_seid: vsi id entered by user
 536  * @ring_id: ring id entered by user
 537  * @desc_n: descriptor number entered by user
 538  * @pf: the i40e_pf created in command write
 539  * @type: enum describing whether ring is RX, TX or XDP
 540  **/
 541 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
 542                                struct i40e_pf *pf, enum ring_type type)
 543 {
 544         bool is_rx_ring = type == RING_TYPE_RX;
 545         struct i40e_tx_desc *txd;
 546         union i40e_rx_desc *rxd;
 547         struct i40e_ring *ring;
 548         struct i40e_vsi *vsi;
 549         int i;
 550
 551         vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 552         if (!vsi) {
 553                 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
 554                 return;
 555         }
 556         if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) {
 557                 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid);
 558                 return;
 559         }
 560         if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
 561                 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
 562                 return;
 563         }
 564         if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
 565                 dev_info(&pf->pdev->dev,
 566                          "descriptor rings have not been allocated for vsi %d\n",
 567                          vsi_seid);
 568                 return;
 569         }
 570
 571         switch (type) {
 572         case RING_TYPE_RX:
 573                 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 574                 break;
 575         case RING_TYPE_TX:
 576                 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 577                 break;
 578         case RING_TYPE_XDP:
 579                 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 580                 break;
 581         }
 582         if (!ring)
 583                 return;
 584
 585         if (cnt == 2) {
 586                 switch (type) {
 587                 case RING_TYPE_RX:
 588                         dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id);
 589                         break;
 590                 case RING_TYPE_TX:
 591                         dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id);
 592                         break;
 593                 case RING_TYPE_XDP:
 594                         dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id);
 595                         break;
 596                 }
 597                 for (i = 0; i < ring->count; i++) {
 598                         if (!is_rx_ring) {
 599                                 txd = I40E_TX_DESC(ring, i);
 600                                 dev_info(&pf->pdev->dev,
 601                                          "   d[%03x] = 0x%016llx 0x%016llx\n",
 602                                          i, txd->buffer_addr,
 603                                          txd->cmd_type_offset_bsz);
 604                         } else {
 605                                 rxd = I40E_RX_DESC(ring, i);
 606                                 dev_info(&pf->pdev->dev,
 607                                          "   d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
 608                                          i, rxd->read.pkt_addr,
 609                                          rxd->read.hdr_addr,
 610                                          rxd->read.rsvd1, rxd->read.rsvd2);
 611                         }
 612                 }
 613         } else if (cnt == 3) {
 614                 if (desc_n >= ring->count || desc_n < 0) {
 615                         dev_info(&pf->pdev->dev,
 616                                  "descriptor %d not found\n", desc_n);
 617                         goto out;
 618                 }
 619                 if (!is_rx_ring) {
 620                         txd = I40E_TX_DESC(ring, desc_n);
 621                         dev_info(&pf->pdev->dev,
 622                                  "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 623                                  vsi_seid, ring_id, desc_n,
 624                                  txd->buffer_addr, txd->cmd_type_offset_bsz);
 625                 } else {
 626                         rxd = I40E_RX_DESC(ring, desc_n);
 627                         dev_info(&pf->pdev->dev,
 628                                  "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
 629                                  vsi_seid, ring_id, desc_n,
 630                                  rxd->read.pkt_addr, rxd->read.hdr_addr,
 631                                  rxd->read.rsvd1, rxd->read.rsvd2);
 632                 }
 633         } else {
 634                 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n");
 635         }
 636
 637 out:
 638         kfree(ring);
 639 }
 640
 641 /**
 642  * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
 643  * @pf: the i40e_pf created in command write
 644  **/
 645 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
 646 {
 647         int i;
 648
 649         for (i = 0; i < pf->num_alloc_vsi; i++)
 650                 if (pf->vsi[i])
 651                         dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
 652                                  i, pf->vsi[i]->seid);
 653 }
 654
 655 /**
 656  * i40e_dbg_dump_stats - handles dump stats write into command datum
 657  * @pf: the i40e_pf created in command write
 658  * @estats: the eth stats structure to be dumped
 659  **/
 660 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
 661                                     struct i40e_eth_stats *estats)
 662 {
 663         dev_info(&pf->pdev->dev, "  ethstats:\n");
 664         dev_info(&pf->pdev->dev,
 665                  "    rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
 666                 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
 667         dev_info(&pf->pdev->dev,
 668                  "    rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
 669                  estats->rx_broadcast, estats->rx_discards);
 670         dev_info(&pf->pdev->dev,
 671                  "    rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
 672                  estats->rx_unknown_protocol, estats->tx_bytes);
 673         dev_info(&pf->pdev->dev,
 674                  "    tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
 675                  estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
 676         dev_info(&pf->pdev->dev,
 677                  "    tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
 678                  estats->tx_discards, estats->tx_errors);
 679 }
 680
 681 /**
 682  * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
 683  * @pf: the i40e_pf created in command write
 684  * @seid: the seid the user put in
 685  **/
 686 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
 687 {
 688         struct i40e_veb *veb;
 689
 690         veb = i40e_dbg_find_veb(pf, seid);
 691         if (!veb) {
 692                 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
 693                 return;
 694         }
 695         dev_info(&pf->pdev->dev,
 696                  "veb idx=%d,%d stats_ic=%d  seid=%d uplink=%d mode=%s\n",
 697                  veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
 698                  veb->uplink_seid,
 699                  veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
 700         i40e_dbg_dump_eth_stats(pf, &veb->stats);
 701 }
 702
 703 /**
 704  * i40e_dbg_dump_veb_all - dumps all known veb's stats
 705  * @pf: the i40e_pf created in command write
 706  **/
 707 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
 708 {
 709         struct i40e_veb *veb;
 710         int i;
 711
 712         for (i = 0; i < I40E_MAX_VEB; i++) {
 713                 veb = pf->veb[i];
 714                 if (veb)
 715                         i40e_dbg_dump_veb_seid(pf, veb->seid);
 716         }
 717 }
 718
 719 /**
 720  * i40e_dbg_dump_vf - dump VF info
 721  * @pf: the i40e_pf created in command write
 722  * @vf_id: the vf_id from the user
 723  **/
 724 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
 725 {
 726         struct i40e_vf *vf;
 727         struct i40e_vsi *vsi;
 728
 729         if (!pf->num_alloc_vfs) {
 730                 dev_info(&pf->pdev->dev, "no VFs allocated\n");
 731         } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
 732                 vf = &pf->vf[vf_id];
 733                 vsi = pf->vsi[vf->lan_vsi_idx];
 734                 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
 735                          vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
 736                 dev_info(&pf->pdev->dev, "       num MDD=%lld, invalid msg=%lld, valid msg=%lld\n",
 737                          vf->num_mdd_events,
 738                          vf->num_invalid_msgs,
 739                          vf->num_valid_msgs);
 740         } else {
 741                 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
 742         }
 743 }
 744
 745 /**
 746  * i40e_dbg_dump_vf_all - dump VF info for all VFs
 747  * @pf: the i40e_pf created in command write
 748  **/
 749 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
 750 {
 751         int i;
 752
 753         if (!pf->num_alloc_vfs)
 754                 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
 755         else
 756                 for (i = 0; i < pf->num_alloc_vfs; i++)
 757                         i40e_dbg_dump_vf(pf, i);
 758 }
 759
 760 /**
 761  * i40e_dbg_command_write - write into command datum
 762  * @filp: the opened file
 763  * @buffer: where to find the user's data
 764  * @count: the length of the user's data
 765  * @ppos: file position offset
 766  **/
 767 static ssize_t i40e_dbg_command_write(struct file *filp,
 768                                       const char __user *buffer,
 769                                       size_t count, loff_t *ppos)
 770 {
 771         struct i40e_pf *pf = filp->private_data;
 772         char *cmd_buf, *cmd_buf_tmp;
 773         int bytes_not_copied;
 774         struct i40e_vsi *vsi;
 775         int vsi_seid;
 776         int veb_seid;
 777         int vf_id;
 778         int cnt;
 779
 780         /* don't allow partial writes */
 781         if (*ppos != 0)
 782                 return 0;
 783
 784         cmd_buf = kzalloc(count + 1, GFP_KERNEL);
 785         if (!cmd_buf)
 786                 return count;
 787         bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
 788         if (bytes_not_copied) {
 789                 kfree(cmd_buf);
 790                 return -EFAULT;
 791         }
 792         cmd_buf[count] = '\0';
 793
 794         cmd_buf_tmp = strchr(cmd_buf, '\n');
 795         if (cmd_buf_tmp) {
 796                 *cmd_buf_tmp = '\0';
 797                 count = cmd_buf_tmp - cmd_buf + 1;
 798         }
 799
 800         if (strncmp(cmd_buf, "add vsi", 7) == 0) {
 801                 vsi_seid = -1;
 802                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 803                 if (cnt == 0) {
 804                         /* default to PF VSI */
 805                         vsi_seid = pf->vsi[pf->lan_vsi]->seid;
 806                 } else if (vsi_seid < 0) {
 807                         dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
 808                                  vsi_seid);
 809                         goto command_write_done;
 810                 }
 811
 812                 /* By default we are in VEPA mode, if this is the first VF/VMDq
 813                  * VSI to be added switch to VEB mode.
 814                  */
 815                 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
 816                         pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
 817                         i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
 818                 }
 819
 820                 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
 821                 if (vsi)
 822                         dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
 823                                  vsi->seid, vsi->uplink_seid);
 824                 else
 825                         dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
 826
 827         } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
 828                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 829                 if (cnt != 1) {
 830                         dev_info(&pf->pdev->dev,
 831                                  "del vsi: bad command string, cnt=%d\n",
 832                                  cnt);
 833                         goto command_write_done;
 834                 }
 835                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 836                 if (!vsi) {
 837                         dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
 838                                  vsi_seid);
 839                         goto command_write_done;
 840                 }
 841
 842                 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
 843                 i40e_vsi_release(vsi);
 844
 845         } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
 846                 struct i40e_veb *veb;
 847                 int uplink_seid, i;
 848
 849                 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
 850                 if (cnt != 2) {
 851                         dev_info(&pf->pdev->dev,
 852                                  "add relay: bad command string, cnt=%d\n",
 853                                  cnt);
 854                         goto command_write_done;
 855                 } else if (uplink_seid < 0) {
 856                         dev_info(&pf->pdev->dev,
 857                                  "add relay %d: bad uplink seid\n",
 858                                  uplink_seid);
 859                         goto command_write_done;
 860                 }
 861
 862                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 863                 if (!vsi) {
 864                         dev_info(&pf->pdev->dev,
 865                                  "add relay: VSI %d not found\n", vsi_seid);
 866                         goto command_write_done;
 867                 }
 868
 869                 for (i = 0; i < I40E_MAX_VEB; i++)
 870                         if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
 871                                 break;
 872                 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
 873                     uplink_seid != pf->mac_seid) {
 874                         dev_info(&pf->pdev->dev,
 875                                  "add relay: relay uplink %d not found\n",
 876                                  uplink_seid);
 877                         goto command_write_done;
 878                 }
 879
 880                 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
 881                                      vsi->tc_config.enabled_tc);
 882                 if (veb)
 883                         dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
 884                 else
 885                         dev_info(&pf->pdev->dev, "add relay failed\n");
 886
 887         } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
 888                 int i;
 889                 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
 890                 if (cnt != 1) {
 891                         dev_info(&pf->pdev->dev,
 892                                  "del relay: bad command string, cnt=%d\n",
 893                                  cnt);
 894                         goto command_write_done;
 895                 } else if (veb_seid < 0) {
 896                         dev_info(&pf->pdev->dev,
 897                                  "del relay %d: bad relay seid\n", veb_seid);
 898                         goto command_write_done;
 899                 }
 900
 901                 /* find the veb */
 902                 for (i = 0; i < I40E_MAX_VEB; i++)
 903                         if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
 904                                 break;
 905                 if (i >= I40E_MAX_VEB) {
 906                         dev_info(&pf->pdev->dev,
 907                                  "del relay: relay %d not found\n", veb_seid);
 908                         goto command_write_done;
 909                 }
 910
 911                 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
 912                 i40e_veb_release(pf->veb[i]);
 913         } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
 914                 i40e_status ret;
 915                 u16 vid;
 916                 unsigned int v;
 917
 918                 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
 919                 if (cnt != 2) {
 920                         dev_info(&pf->pdev->dev,
 921                                  "add pvid: bad command string, cnt=%d\n", cnt);
 922                         goto command_write_done;
 923                 }
 924
 925                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 926                 if (!vsi) {
 927                         dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
 928                                  vsi_seid);
 929                         goto command_write_done;
 930                 }
 931
 932                 vid = v;
 933                 ret = i40e_vsi_add_pvid(vsi, vid);
 934                 if (!ret)
 935                         dev_info(&pf->pdev->dev,
 936                                  "add pvid: %d added to VSI %d\n",
 937                                  vid, vsi_seid);
 938                 else
 939                         dev_info(&pf->pdev->dev,
 940                                  "add pvid: %d to VSI %d failed, ret=%d\n",
 941                                  vid, vsi_seid, ret);
 942
 943         } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
 944
 945                 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 946                 if (cnt != 1) {
 947                         dev_info(&pf->pdev->dev,
 948                                  "del pvid: bad command string, cnt=%d\n",
 949                                  cnt);
 950                         goto command_write_done;
 951                 }
 952
 953                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 954                 if (!vsi) {
 955                         dev_info(&pf->pdev->dev,
 956                                  "del pvid: VSI %d not found\n", vsi_seid);
 957                         goto command_write_done;
 958                 }
 959
 960                 i40e_vsi_remove_pvid(vsi);
 961                 dev_info(&pf->pdev->dev,
 962                          "del pvid: removed from VSI %d\n", vsi_seid);
 963
 964         } else if (strncmp(cmd_buf, "dump", 4) == 0) {
 965                 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
 966                         i40e_fetch_switch_configuration(pf, true);
 967                 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
 968                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 969                         if (cnt > 0)
 970                                 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
 971                         else
 972                                 i40e_dbg_dump_vsi_no_seid(pf);
 973                 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
 974                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 975                         if (cnt > 0)
 976                                 i40e_dbg_dump_veb_seid(pf, vsi_seid);
 977                         else
 978                                 i40e_dbg_dump_veb_all(pf);
 979                 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
 980                         cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
 981                         if (cnt > 0)
 982                                 i40e_dbg_dump_vf(pf, vf_id);
 983                         else
 984                                 i40e_dbg_dump_vf_all(pf);
 985                 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
 986                         int ring_id, desc_n;
 987                         if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
 988                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
 989                                              &vsi_seid, &ring_id, &desc_n);
 990                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
 991                                                    desc_n, pf, RING_TYPE_RX);
 992                         } else if (strncmp(&cmd_buf[10], "tx", 2)
 993                                         == 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_TX);
 998                         } else if (strncmp(&cmd_buf[10], "xdp", 3)
 999                                         == 0) {
1000                                 cnt = sscanf(&cmd_buf[13], "%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_XDP);
1004                         } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1005                                 i40e_dbg_dump_aq_desc(pf);
1006                         } else {
1007                                 dev_info(&pf->pdev->dev,
1008                                          "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1009                                 dev_info(&pf->pdev->dev,
1010                                          "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1011                                 dev_info(&pf->pdev->dev,
1012                                          "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1013                                 dev_info(&pf->pdev->dev, "dump desc aq\n");
1014                         }
1015                 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1016                         dev_info(&pf->pdev->dev,
1017                                  "core reset count: %d\n", pf->corer_count);
1018                         dev_info(&pf->pdev->dev,
1019                                  "global reset count: %d\n", pf->globr_count);
1020                         dev_info(&pf->pdev->dev,
1021                                  "emp reset count: %d\n", pf->empr_count);
1022                         dev_info(&pf->pdev->dev,
1023                                  "pf reset count: %d\n", pf->pfr_count);
1024                         dev_info(&pf->pdev->dev,
1025                                  "pf tx sluggish count: %d\n",
1026                                  pf->tx_sluggish_count);
1027                 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1028                         struct i40e_aqc_query_port_ets_config_resp *bw_data;
1029                         struct i40e_dcbx_config *cfg =
1030                                                 &pf->hw.local_dcbx_config;
1031                         struct i40e_dcbx_config *r_cfg =
1032                                                 &pf->hw.remote_dcbx_config;
1033                         int i, ret;
1034                         u16 switch_id;
1035
1036                         bw_data = kzalloc(sizeof(
1037                                     struct i40e_aqc_query_port_ets_config_resp),
1038                                           GFP_KERNEL);
1039                         if (!bw_data) {
1040                                 ret = -ENOMEM;
1041                                 goto command_write_done;
1042                         }
1043
1044                         vsi = pf->vsi[pf->lan_vsi];
1045                         switch_id =
1046                                 le16_to_cpu(vsi->info.switch_id) &
1047                                             I40E_AQ_VSI_SW_ID_MASK;
1048
1049                         ret = i40e_aq_query_port_ets_config(&pf->hw,
1050                                                             switch_id,
1051                                                             bw_data, NULL);
1052                         if (ret) {
1053                                 dev_info(&pf->pdev->dev,
1054                                          "Query Port ETS Config AQ command failed =0x%x\n",
1055                                          pf->hw.aq.asq_last_status);
1056                                 kfree(bw_data);
1057                                 bw_data = NULL;
1058                                 goto command_write_done;
1059                         }
1060                         dev_info(&pf->pdev->dev,
1061                                  "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1062                                  bw_data->tc_valid_bits,
1063                                  bw_data->tc_strict_priority_bits,
1064                                  le16_to_cpu(bw_data->tc_bw_max[0]),
1065                                  le16_to_cpu(bw_data->tc_bw_max[1]));
1066                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1067                                 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1068                                          bw_data->tc_bw_share_credits[i],
1069                                          le16_to_cpu(bw_data->tc_bw_limits[i]));
1070                         }
1071
1072                         kfree(bw_data);
1073                         bw_data = NULL;
1074
1075                         dev_info(&pf->pdev->dev,
1076                                  "port dcbx_mode=%d\n", cfg->dcbx_mode);
1077                         dev_info(&pf->pdev->dev,
1078                                  "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1079                                  cfg->etscfg.willing, cfg->etscfg.cbs,
1080                                  cfg->etscfg.maxtcs);
1081                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1082                                 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1083                                          i, cfg->etscfg.prioritytable[i],
1084                                          cfg->etscfg.tcbwtable[i],
1085                                          cfg->etscfg.tsatable[i]);
1086                         }
1087                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1088                                 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1089                                          i, cfg->etsrec.prioritytable[i],
1090                                          cfg->etsrec.tcbwtable[i],
1091                                          cfg->etsrec.tsatable[i]);
1092                         }
1093                         dev_info(&pf->pdev->dev,
1094                                  "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1095                                  cfg->pfc.willing, cfg->pfc.mbc,
1096                                  cfg->pfc.pfccap, cfg->pfc.pfcenable);
1097                         dev_info(&pf->pdev->dev,
1098                                  "port app_table: num_apps=%d\n", cfg->numapps);
1099                         for (i = 0; i < cfg->numapps; i++) {
1100                                 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1101                                          i, cfg->app[i].priority,
1102                                          cfg->app[i].selector,
1103                                          cfg->app[i].protocolid);
1104                         }
1105                         /* Peer TLV DCBX data */
1106                         dev_info(&pf->pdev->dev,
1107                                  "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1108                                  r_cfg->etscfg.willing,
1109                                  r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1110                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1111                                 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1112                                          i, r_cfg->etscfg.prioritytable[i],
1113                                          r_cfg->etscfg.tcbwtable[i],
1114                                          r_cfg->etscfg.tsatable[i]);
1115                         }
1116                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1117                                 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1118                                          i, r_cfg->etsrec.prioritytable[i],
1119                                          r_cfg->etsrec.tcbwtable[i],
1120                                          r_cfg->etsrec.tsatable[i]);
1121                         }
1122                         dev_info(&pf->pdev->dev,
1123                                  "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1124                                  r_cfg->pfc.willing,
1125                                  r_cfg->pfc.mbc,
1126                                  r_cfg->pfc.pfccap,
1127                                  r_cfg->pfc.pfcenable);
1128                         dev_info(&pf->pdev->dev,
1129                                  "remote port app_table: num_apps=%d\n",
1130                                  r_cfg->numapps);
1131                         for (i = 0; i < r_cfg->numapps; i++) {
1132                                 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1133                                          i, r_cfg->app[i].priority,
1134                                          r_cfg->app[i].selector,
1135                                          r_cfg->app[i].protocolid);
1136                         }
1137                 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1138                         int cluster_id, table_id;
1139                         int index, ret;
1140                         u16 buff_len = 4096;
1141                         u32 next_index;
1142                         u8 next_table;
1143                         u8 *buff;
1144                         u16 rlen;
1145
1146                         cnt = sscanf(&cmd_buf[18], "%i %i %i",
1147                                      &cluster_id, &table_id, &index);
1148                         if (cnt != 3) {
1149                                 dev_info(&pf->pdev->dev,
1150                                          "dump debug fwdata <cluster_id> <table_id> <index>\n");
1151                                 goto command_write_done;
1152                         }
1153
1154                         dev_info(&pf->pdev->dev,
1155                                  "AQ debug dump fwdata params %x %x %x %x\n",
1156                                  cluster_id, table_id, index, buff_len);
1157                         buff = kzalloc(buff_len, GFP_KERNEL);
1158                         if (!buff)
1159                                 goto command_write_done;
1160
1161                         ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1162                                                  index, buff_len, buff, &rlen,
1163                                                  &next_table, &next_index,
1164                                                  NULL);
1165                         if (ret) {
1166                                 dev_info(&pf->pdev->dev,
1167                                          "debug dump fwdata AQ Failed %d 0x%x\n",
1168                                          ret, pf->hw.aq.asq_last_status);
1169                                 kfree(buff);
1170                                 buff = NULL;
1171                                 goto command_write_done;
1172                         }
1173                         dev_info(&pf->pdev->dev,
1174                                  "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1175                                  rlen, next_table, next_index);
1176                         print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1177                                        DUMP_PREFIX_OFFSET, 16, 1,
1178                                        buff, rlen, true);
1179                         kfree(buff);
1180                         buff = NULL;
1181                 } else {
1182                         dev_info(&pf->pdev->dev,
1183                                  "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");
1184                         dev_info(&pf->pdev->dev, "dump switch\n");
1185                         dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1186                         dev_info(&pf->pdev->dev, "dump reset stats\n");
1187                         dev_info(&pf->pdev->dev, "dump port\n");
1188                         dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1189                         dev_info(&pf->pdev->dev,
1190                                  "dump debug fwdata <cluster_id> <table_id> <index>\n");
1191                 }
1192         } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1193                 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1194                 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1195
1196         } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1197                 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1198                 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1199
1200         } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1201                 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1202                 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1203
1204         } else if (strncmp(cmd_buf, "read", 4) == 0) {
1205                 u32 address;
1206                 u32 value;
1207
1208                 cnt = sscanf(&cmd_buf[4], "%i", &address);
1209                 if (cnt != 1) {
1210                         dev_info(&pf->pdev->dev, "read <reg>\n");
1211                         goto command_write_done;
1212                 }
1213
1214                 /* check the range on address */
1215                 if (address > (pf->ioremap_len - sizeof(u32))) {
1216                         dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1217                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1218                         goto command_write_done;
1219                 }
1220
1221                 value = rd32(&pf->hw, address);
1222                 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1223                          address, value);
1224
1225         } else if (strncmp(cmd_buf, "write", 5) == 0) {
1226                 u32 address, value;
1227
1228                 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1229                 if (cnt != 2) {
1230                         dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1231                         goto command_write_done;
1232                 }
1233
1234                 /* check the range on address */
1235                 if (address > (pf->ioremap_len - sizeof(u32))) {
1236                         dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1237                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1238                         goto command_write_done;
1239                 }
1240                 wr32(&pf->hw, address, value);
1241                 value = rd32(&pf->hw, address);
1242                 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1243                          address, value);
1244         } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1245                 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1246                         cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1247                         if (cnt == 0) {
1248                                 int i;
1249
1250                                 for (i = 0; i < pf->num_alloc_vsi; i++)
1251                                         i40e_vsi_reset_stats(pf->vsi[i]);
1252                                 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1253                         } else if (cnt == 1) {
1254                                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1255                                 if (!vsi) {
1256                                         dev_info(&pf->pdev->dev,
1257                                                  "clear_stats vsi: bad vsi %d\n",
1258                                                  vsi_seid);
1259                                         goto command_write_done;
1260                                 }
1261                                 i40e_vsi_reset_stats(vsi);
1262                                 dev_info(&pf->pdev->dev,
1263                                          "vsi clear stats called for vsi %d\n",
1264                                          vsi_seid);
1265                         } else {
1266                                 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1267                         }
1268                 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1269                         if (pf->hw.partition_id == 1) {
1270                                 i40e_pf_reset_stats(pf);
1271                                 dev_info(&pf->pdev->dev, "port stats cleared\n");
1272                         } else {
1273                                 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1274                         }
1275                 } else {
1276                         dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1277                 }
1278         } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1279                 struct i40e_aq_desc *desc;
1280                 i40e_status ret;
1281
1282                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1283                 if (!desc)
1284                         goto command_write_done;
1285                 cnt = sscanf(&cmd_buf[11],
1286                              "%hi %hi %hi %hi %i %i %i %i %i %i",
1287                              &desc->flags,
1288                              &desc->opcode, &desc->datalen, &desc->retval,
1289                              &desc->cookie_high, &desc->cookie_low,
1290                              &desc->params.internal.param0,
1291                              &desc->params.internal.param1,
1292                              &desc->params.internal.param2,
1293                              &desc->params.internal.param3);
1294                 if (cnt != 10) {
1295                         dev_info(&pf->pdev->dev,
1296                                  "send aq_cmd: bad command string, cnt=%d\n",
1297                                  cnt);
1298                         kfree(desc);
1299                         desc = NULL;
1300                         goto command_write_done;
1301                 }
1302                 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1303                 if (!ret) {
1304                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1305                 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1306                         dev_info(&pf->pdev->dev,
1307                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1308                                  desc->opcode, pf->hw.aq.asq_last_status);
1309                 } else {
1310                         dev_info(&pf->pdev->dev,
1311                                  "AQ command send failed Opcode %x Status: %d\n",
1312                                  desc->opcode, ret);
1313                 }
1314                 dev_info(&pf->pdev->dev,
1315                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1316                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1317                          desc->cookie_high, desc->cookie_low,
1318                          desc->params.internal.param0,
1319                          desc->params.internal.param1,
1320                          desc->params.internal.param2,
1321                          desc->params.internal.param3);
1322                 kfree(desc);
1323                 desc = NULL;
1324         } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1325                 struct i40e_aq_desc *desc;
1326                 i40e_status ret;
1327                 u16 buffer_len;
1328                 u8 *buff;
1329
1330                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1331                 if (!desc)
1332                         goto command_write_done;
1333                 cnt = sscanf(&cmd_buf[20],
1334                              "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1335                              &desc->flags,
1336                              &desc->opcode, &desc->datalen, &desc->retval,
1337                              &desc->cookie_high, &desc->cookie_low,
1338                              &desc->params.internal.param0,
1339                              &desc->params.internal.param1,
1340                              &desc->params.internal.param2,
1341                              &desc->params.internal.param3,
1342                              &buffer_len);
1343                 if (cnt != 11) {
1344                         dev_info(&pf->pdev->dev,
1345                                  "send indirect aq_cmd: bad command string, cnt=%d\n",
1346                                  cnt);
1347                         kfree(desc);
1348                         desc = NULL;
1349                         goto command_write_done;
1350                 }
1351                 /* Just stub a buffer big enough in case user messed up */
1352                 if (buffer_len == 0)
1353                         buffer_len = 1280;
1354
1355                 buff = kzalloc(buffer_len, GFP_KERNEL);
1356                 if (!buff) {
1357                         kfree(desc);
1358                         desc = NULL;
1359                         goto command_write_done;
1360                 }
1361                 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1362                 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1363                                             buffer_len, NULL);
1364                 if (!ret) {
1365                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1366                 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1367                         dev_info(&pf->pdev->dev,
1368                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1369                                  desc->opcode, pf->hw.aq.asq_last_status);
1370                 } else {
1371                         dev_info(&pf->pdev->dev,
1372                                  "AQ command send failed Opcode %x Status: %d\n",
1373                                  desc->opcode, ret);
1374                 }
1375                 dev_info(&pf->pdev->dev,
1376                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1377                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1378                          desc->cookie_high, desc->cookie_low,
1379                          desc->params.internal.param0,
1380                          desc->params.internal.param1,
1381                          desc->params.internal.param2,
1382                          desc->params.internal.param3);
1383                 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1384                                DUMP_PREFIX_OFFSET, 16, 1,
1385                                buff, buffer_len, true);
1386                 kfree(buff);
1387                 buff = NULL;
1388                 kfree(desc);
1389                 desc = NULL;
1390         } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1391                 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1392                          i40e_get_current_fd_count(pf));
1393         } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1394                 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1395                         int ret;
1396
1397                         ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
1398                         if (ret) {
1399                                 dev_info(&pf->pdev->dev,
1400                                          "Stop LLDP AQ command failed =0x%x\n",
1401                                          pf->hw.aq.asq_last_status);
1402                                 goto command_write_done;
1403                         }
1404                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1405                                                 pf->hw.mac.addr,
1406                                                 ETH_P_LLDP, 0,
1407                                                 pf->vsi[pf->lan_vsi]->seid,
1408                                                 0, true, NULL, NULL);
1409                         if (ret) {
1410                                 dev_info(&pf->pdev->dev,
1411                                         "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1412                                         __func__, pf->hw.aq.asq_last_status);
1413                                 goto command_write_done;
1414                         }
1415 #ifdef CONFIG_I40E_DCB
1416                         pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1417                                        DCB_CAP_DCBX_VER_IEEE;
1418 #endif /* CONFIG_I40E_DCB */
1419                 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1420                         int ret;
1421
1422                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1423                                                 pf->hw.mac.addr,
1424                                                 ETH_P_LLDP, 0,
1425                                                 pf->vsi[pf->lan_vsi]->seid,
1426                                                 0, false, NULL, NULL);
1427                         if (ret) {
1428                                 dev_info(&pf->pdev->dev,
1429                                         "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1430                                         __func__, pf->hw.aq.asq_last_status);
1431                                 /* Continue and start FW LLDP anyways */
1432                         }
1433
1434                         ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
1435                         if (ret) {
1436                                 dev_info(&pf->pdev->dev,
1437                                          "Start LLDP AQ command failed =0x%x\n",
1438                                          pf->hw.aq.asq_last_status);
1439                                 goto command_write_done;
1440                         }
1441 #ifdef CONFIG_I40E_DCB
1442                         pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1443                                        DCB_CAP_DCBX_VER_IEEE;
1444 #endif /* CONFIG_I40E_DCB */
1445                 } else if (strncmp(&cmd_buf[5],
1446                            "get local", 9) == 0) {
1447                         u16 llen, rlen;
1448                         int ret;
1449                         u8 *buff;
1450
1451                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1452                         if (!buff)
1453                                 goto command_write_done;
1454
1455                         ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1456                                                    I40E_AQ_LLDP_MIB_LOCAL,
1457                                                    buff, I40E_LLDPDU_SIZE,
1458                                                    &llen, &rlen, NULL);
1459                         if (ret) {
1460                                 dev_info(&pf->pdev->dev,
1461                                          "Get LLDP MIB (local) AQ command failed =0x%x\n",
1462                                          pf->hw.aq.asq_last_status);
1463                                 kfree(buff);
1464                                 buff = NULL;
1465                                 goto command_write_done;
1466                         }
1467                         dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1468                         print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1469                                        DUMP_PREFIX_OFFSET, 16, 1,
1470                                        buff, I40E_LLDPDU_SIZE, true);
1471                         kfree(buff);
1472                         buff = NULL;
1473                 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1474                         u16 llen, rlen;
1475                         int ret;
1476                         u8 *buff;
1477
1478                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1479                         if (!buff)
1480                                 goto command_write_done;
1481
1482                         ret = i40e_aq_get_lldp_mib(&pf->hw,
1483                                         I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1484                                         I40E_AQ_LLDP_MIB_REMOTE,
1485                                         buff, I40E_LLDPDU_SIZE,
1486                                         &llen, &rlen, NULL);
1487                         if (ret) {
1488                                 dev_info(&pf->pdev->dev,
1489                                          "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1490                                          pf->hw.aq.asq_last_status);
1491                                 kfree(buff);
1492                                 buff = NULL;
1493                                 goto command_write_done;
1494                         }
1495                         dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1496                         print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1497                                        DUMP_PREFIX_OFFSET, 16, 1,
1498                                        buff, I40E_LLDPDU_SIZE, true);
1499                         kfree(buff);
1500                         buff = NULL;
1501                 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1502                         int ret;
1503
1504                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1505                                                                 true, NULL);
1506                         if (ret) {
1507                                 dev_info(&pf->pdev->dev,
1508                                          "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1509                                          pf->hw.aq.asq_last_status);
1510                                 goto command_write_done;
1511                         }
1512                 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1513                         int ret;
1514
1515                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1516                                                                 false, NULL);
1517                         if (ret) {
1518                                 dev_info(&pf->pdev->dev,
1519                                          "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1520                                          pf->hw.aq.asq_last_status);
1521                                 goto command_write_done;
1522                         }
1523                 }
1524         } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1525                 u16 buffer_len, bytes;
1526                 u16 module;
1527                 u32 offset;
1528                 u16 *buff;
1529                 int ret;
1530
1531                 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1532                              &module, &offset, &buffer_len);
1533                 if (cnt == 0) {
1534                         module = 0;
1535                         offset = 0;
1536                         buffer_len = 0;
1537                 } else if (cnt == 1) {
1538                         offset = 0;
1539                         buffer_len = 0;
1540                 } else if (cnt == 2) {
1541                         buffer_len = 0;
1542                 } else if (cnt > 3) {
1543                         dev_info(&pf->pdev->dev,
1544                                  "nvm read: bad command string, cnt=%d\n", cnt);
1545                         goto command_write_done;
1546                 }
1547
1548                 /* set the max length */
1549                 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1550
1551                 bytes = 2 * buffer_len;
1552
1553                 /* read at least 1k bytes, no more than 4kB */
1554                 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1555                 buff = kzalloc(bytes, GFP_KERNEL);
1556                 if (!buff)
1557                         goto command_write_done;
1558
1559                 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1560                 if (ret) {
1561                         dev_info(&pf->pdev->dev,
1562                                  "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1563                                  ret, pf->hw.aq.asq_last_status);
1564                         kfree(buff);
1565                         goto command_write_done;
1566                 }
1567
1568                 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1569                                        bytes, (u8 *)buff, true, NULL);
1570                 i40e_release_nvm(&pf->hw);
1571                 if (ret) {
1572                         dev_info(&pf->pdev->dev,
1573                                  "Read NVM AQ failed err=%d status=0x%x\n",
1574                                  ret, pf->hw.aq.asq_last_status);
1575                 } else {
1576                         dev_info(&pf->pdev->dev,
1577                                  "Read NVM module=0x%x offset=0x%x words=%d\n",
1578                                  module, offset, buffer_len);
1579                         if (bytes)
1580                                 print_hex_dump(KERN_INFO, "NVM Dump: ",
1581                                         DUMP_PREFIX_OFFSET, 16, 2,
1582                                         buff, bytes, true);
1583                 }
1584                 kfree(buff);
1585                 buff = NULL;
1586         } else {
1587                 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1588                 dev_info(&pf->pdev->dev, "available commands\n");
1589                 dev_info(&pf->pdev->dev, "  add vsi [relay_seid]\n");
1590                 dev_info(&pf->pdev->dev, "  del vsi [vsi_seid]\n");
1591                 dev_info(&pf->pdev->dev, "  add relay <uplink_seid> <vsi_seid>\n");
1592                 dev_info(&pf->pdev->dev, "  del relay <relay_seid>\n");
1593                 dev_info(&pf->pdev->dev, "  add pvid <vsi_seid> <vid>\n");
1594                 dev_info(&pf->pdev->dev, "  del pvid <vsi_seid>\n");
1595                 dev_info(&pf->pdev->dev, "  dump switch\n");
1596                 dev_info(&pf->pdev->dev, "  dump vsi [seid]\n");
1597                 dev_info(&pf->pdev->dev, "  dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1598                 dev_info(&pf->pdev->dev, "  dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1599                 dev_info(&pf->pdev->dev, "  dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1600                 dev_info(&pf->pdev->dev, "  dump desc aq\n");
1601                 dev_info(&pf->pdev->dev, "  dump reset stats\n");
1602                 dev_info(&pf->pdev->dev, "  dump debug fwdata <cluster_id> <table_id> <index>\n");
1603                 dev_info(&pf->pdev->dev, "  read <reg>\n");
1604                 dev_info(&pf->pdev->dev, "  write <reg> <value>\n");
1605                 dev_info(&pf->pdev->dev, "  clear_stats vsi [seid]\n");
1606                 dev_info(&pf->pdev->dev, "  clear_stats port\n");
1607                 dev_info(&pf->pdev->dev, "  pfr\n");
1608                 dev_info(&pf->pdev->dev, "  corer\n");
1609                 dev_info(&pf->pdev->dev, "  globr\n");
1610                 dev_info(&pf->pdev->dev, "  send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1611                 dev_info(&pf->pdev->dev, "  send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1612                 dev_info(&pf->pdev->dev, "  fd current cnt");
1613                 dev_info(&pf->pdev->dev, "  lldp start\n");
1614                 dev_info(&pf->pdev->dev, "  lldp stop\n");
1615                 dev_info(&pf->pdev->dev, "  lldp get local\n");
1616                 dev_info(&pf->pdev->dev, "  lldp get remote\n");
1617                 dev_info(&pf->pdev->dev, "  lldp event on\n");
1618                 dev_info(&pf->pdev->dev, "  lldp event off\n");
1619                 dev_info(&pf->pdev->dev, "  nvm read [module] [word_offset] [word_count]\n");
1620         }
1621
1622 command_write_done:
1623         kfree(cmd_buf);
1624         cmd_buf = NULL;
1625         return count;
1626 }
1627
1628 static const struct file_operations i40e_dbg_command_fops = {
1629         .owner = THIS_MODULE,
1630         .open =  simple_open,
1631         .read =  i40e_dbg_command_read,
1632         .write = i40e_dbg_command_write,
1633 };
1634
1635 /**************************************************************
1636  * netdev_ops
1637  * The netdev_ops entry in debugfs is for giving the driver commands
1638  * to be executed from the netdev operations.
1639  **************************************************************/
1640 static char i40e_dbg_netdev_ops_buf[256] = "";
1641
1642 /**
1643  * i40e_dbg_netdev_ops - read for netdev_ops datum
1644  * @filp: the opened file
1645  * @buffer: where to write the data for the user to read
1646  * @count: the size of the user's buffer
1647  * @ppos: file position offset
1648  **/
1649 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1650                                         size_t count, loff_t *ppos)
1651 {
1652         struct i40e_pf *pf = filp->private_data;
1653         int bytes_not_copied;
1654         int buf_size = 256;
1655         char *buf;
1656         int len;
1657
1658         /* don't allow partal reads */
1659         if (*ppos != 0)
1660                 return 0;
1661         if (count < buf_size)
1662                 return -ENOSPC;
1663
1664         buf = kzalloc(buf_size, GFP_KERNEL);
1665         if (!buf)
1666                 return -ENOSPC;
1667
1668         len = snprintf(buf, buf_size, "%s: %s\n",
1669                        pf->vsi[pf->lan_vsi]->netdev->name,
1670                        i40e_dbg_netdev_ops_buf);
1671
1672         bytes_not_copied = copy_to_user(buffer, buf, len);
1673         kfree(buf);
1674
1675         if (bytes_not_copied)
1676                 return -EFAULT;
1677
1678         *ppos = len;
1679         return len;
1680 }
1681
1682 /**
1683  * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1684  * @filp: the opened file
1685  * @buffer: where to find the user's data
1686  * @count: the length of the user's data
1687  * @ppos: file position offset
1688  **/
1689 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1690                                          const char __user *buffer,
1691                                          size_t count, loff_t *ppos)
1692 {
1693         struct i40e_pf *pf = filp->private_data;
1694         int bytes_not_copied;
1695         struct i40e_vsi *vsi;
1696         char *buf_tmp;
1697         int vsi_seid;
1698         int i, cnt;
1699
1700         /* don't allow partial writes */
1701         if (*ppos != 0)
1702                 return 0;
1703         if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1704                 return -ENOSPC;
1705
1706         memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1707         bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1708                                           buffer, count);
1709         if (bytes_not_copied)
1710                 return -EFAULT;
1711         i40e_dbg_netdev_ops_buf[count] = '\0';
1712
1713         buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1714         if (buf_tmp) {
1715                 *buf_tmp = '\0';
1716                 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1717         }
1718
1719         if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1720                 int mtu;
1721
1722                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1723                              &vsi_seid, &mtu);
1724                 if (cnt != 2) {
1725                         dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1726                         goto netdev_ops_write_done;
1727                 }
1728                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1729                 if (!vsi) {
1730                         dev_info(&pf->pdev->dev,
1731                                  "change_mtu: VSI %d not found\n", vsi_seid);
1732                 } else if (!vsi->netdev) {
1733                         dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1734                                  vsi_seid);
1735                 } else if (rtnl_trylock()) {
1736                         vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1737                                                                 mtu);
1738                         rtnl_unlock();
1739                         dev_info(&pf->pdev->dev, "change_mtu called\n");
1740                 } else {
1741                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1742                 }
1743
1744         } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1745                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1746                 if (cnt != 1) {
1747                         dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1748                         goto netdev_ops_write_done;
1749                 }
1750                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1751                 if (!vsi) {
1752                         dev_info(&pf->pdev->dev,
1753                                  "set_rx_mode: VSI %d not found\n", vsi_seid);
1754                 } else if (!vsi->netdev) {
1755                         dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1756                                  vsi_seid);
1757                 } else if (rtnl_trylock()) {
1758                         vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1759                         rtnl_unlock();
1760                         dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1761                 } else {
1762                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1763                 }
1764
1765         } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1766                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1767                 if (cnt != 1) {
1768                         dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1769                         goto netdev_ops_write_done;
1770                 }
1771                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1772                 if (!vsi) {
1773                         dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1774                                  vsi_seid);
1775                 } else if (!vsi->netdev) {
1776                         dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1777                                  vsi_seid);
1778                 } else {
1779                         for (i = 0; i < vsi->num_q_vectors; i++)
1780                                 napi_schedule(&vsi->q_vectors[i]->napi);
1781                         dev_info(&pf->pdev->dev, "napi called\n");
1782                 }
1783         } else {
1784                 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1785                          i40e_dbg_netdev_ops_buf);
1786                 dev_info(&pf->pdev->dev, "available commands\n");
1787                 dev_info(&pf->pdev->dev, "  change_mtu <vsi_seid> <mtu>\n");
1788                 dev_info(&pf->pdev->dev, "  set_rx_mode <vsi_seid>\n");
1789                 dev_info(&pf->pdev->dev, "  napi <vsi_seid>\n");
1790         }
1791 netdev_ops_write_done:
1792         return count;
1793 }
1794
1795 static const struct file_operations i40e_dbg_netdev_ops_fops = {
1796         .owner = THIS_MODULE,
1797         .open = simple_open,
1798         .read = i40e_dbg_netdev_ops_read,
1799         .write = i40e_dbg_netdev_ops_write,
1800 };
1801
1802 /**
1803  * i40e_dbg_pf_init - setup the debugfs directory for the PF
1804  * @pf: the PF that is starting up
1805  **/
1806 void i40e_dbg_pf_init(struct i40e_pf *pf)
1807 {
1808         const char *name = pci_name(pf->pdev);
1809
1810         pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1811
1812         debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1813                             &i40e_dbg_command_fops);
1814
1815         debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1816                             &i40e_dbg_netdev_ops_fops);
1817 }
1818
1819 /**
1820  * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1821  * @pf: the PF that is stopping
1822  **/
1823 void i40e_dbg_pf_exit(struct i40e_pf *pf)
1824 {
1825         debugfs_remove_recursive(pf->i40e_dbg_pf);
1826         pf->i40e_dbg_pf = NULL;
1827 }
1828
1829 /**
1830  * i40e_dbg_init - start up debugfs for the driver
1831  **/
1832 void i40e_dbg_init(void)
1833 {
1834         i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1835         if (!i40e_dbg_root)
1836                 pr_info("init of debugfs failed\n");
1837 }
1838
1839 /**
1840  * i40e_dbg_exit - clean out the driver's debugfs entries
1841  **/
1842 void i40e_dbg_exit(void)
1843 {
1844         debugfs_remove_recursive(i40e_dbg_root);
1845         i40e_dbg_root = NULL;
1846 }
1847
1848 #endif /* CONFIG_DEBUG_FS */