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\n",
 608                                          i, rxd->read.pkt_addr,
 609                                          rxd->read.hdr_addr);
 610                         }
 611                 }
 612         } else if (cnt == 3) {
 613                 if (desc_n >= ring->count || desc_n < 0) {
 614                         dev_info(&pf->pdev->dev,
 615                                  "descriptor %d not found\n", desc_n);
 616                         goto out;
 617                 }
 618                 if (!is_rx_ring) {
 619                         txd = I40E_TX_DESC(ring, desc_n);
 620                         dev_info(&pf->pdev->dev,
 621                                  "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 622                                  vsi_seid, ring_id, desc_n,
 623                                  txd->buffer_addr, txd->cmd_type_offset_bsz);
 624                 } else {
 625                         rxd = I40E_RX_DESC(ring, desc_n);
 626                         dev_info(&pf->pdev->dev,
 627                                  "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 628                                  vsi_seid, ring_id, desc_n,
 629                                  rxd->read.pkt_addr, rxd->read.hdr_addr);
 630                 }
 631         } else {
 632                 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n");
 633         }
 634
 635 out:
 636         kfree(ring);
 637 }
 638
 639 /**
 640  * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
 641  * @pf: the i40e_pf created in command write
 642  **/
 643 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
 644 {
 645         int i;
 646
 647         for (i = 0; i < pf->num_alloc_vsi; i++)
 648                 if (pf->vsi[i])
 649                         dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
 650                                  i, pf->vsi[i]->seid);
 651 }
 652
 653 /**
 654  * i40e_dbg_dump_stats - handles dump stats write into command datum
 655  * @pf: the i40e_pf created in command write
 656  * @estats: the eth stats structure to be dumped
 657  **/
 658 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
 659                                     struct i40e_eth_stats *estats)
 660 {
 661         dev_info(&pf->pdev->dev, "  ethstats:\n");
 662         dev_info(&pf->pdev->dev,
 663                  "    rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
 664                 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
 665         dev_info(&pf->pdev->dev,
 666                  "    rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
 667                  estats->rx_broadcast, estats->rx_discards);
 668         dev_info(&pf->pdev->dev,
 669                  "    rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
 670                  estats->rx_unknown_protocol, estats->tx_bytes);
 671         dev_info(&pf->pdev->dev,
 672                  "    tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
 673                  estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
 674         dev_info(&pf->pdev->dev,
 675                  "    tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
 676                  estats->tx_discards, estats->tx_errors);
 677 }
 678
 679 /**
 680  * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
 681  * @pf: the i40e_pf created in command write
 682  * @seid: the seid the user put in
 683  **/
 684 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
 685 {
 686         struct i40e_veb *veb;
 687
 688         veb = i40e_dbg_find_veb(pf, seid);
 689         if (!veb) {
 690                 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
 691                 return;
 692         }
 693         dev_info(&pf->pdev->dev,
 694                  "veb idx=%d,%d stats_ic=%d  seid=%d uplink=%d mode=%s\n",
 695                  veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
 696                  veb->uplink_seid,
 697                  veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
 698         i40e_dbg_dump_eth_stats(pf, &veb->stats);
 699 }
 700
 701 /**
 702  * i40e_dbg_dump_veb_all - dumps all known veb's stats
 703  * @pf: the i40e_pf created in command write
 704  **/
 705 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
 706 {
 707         struct i40e_veb *veb;
 708         int i;
 709
 710         for (i = 0; i < I40E_MAX_VEB; i++) {
 711                 veb = pf->veb[i];
 712                 if (veb)
 713                         i40e_dbg_dump_veb_seid(pf, veb->seid);
 714         }
 715 }
 716
 717 /**
 718  * i40e_dbg_dump_vf - dump VF info
 719  * @pf: the i40e_pf created in command write
 720  * @vf_id: the vf_id from the user
 721  **/
 722 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
 723 {
 724         struct i40e_vf *vf;
 725         struct i40e_vsi *vsi;
 726
 727         if (!pf->num_alloc_vfs) {
 728                 dev_info(&pf->pdev->dev, "no VFs allocated\n");
 729         } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
 730                 vf = &pf->vf[vf_id];
 731                 vsi = pf->vsi[vf->lan_vsi_idx];
 732                 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
 733                          vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
 734                 dev_info(&pf->pdev->dev, "       num MDD=%lld, invalid msg=%lld, valid msg=%lld\n",
 735                          vf->num_mdd_events,
 736                          vf->num_invalid_msgs,
 737                          vf->num_valid_msgs);
 738         } else {
 739                 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
 740         }
 741 }
 742
 743 /**
 744  * i40e_dbg_dump_vf_all - dump VF info for all VFs
 745  * @pf: the i40e_pf created in command write
 746  **/
 747 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
 748 {
 749         int i;
 750
 751         if (!pf->num_alloc_vfs)
 752                 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
 753         else
 754                 for (i = 0; i < pf->num_alloc_vfs; i++)
 755                         i40e_dbg_dump_vf(pf, i);
 756 }
 757
 758 /**
 759  * i40e_dbg_command_write - write into command datum
 760  * @filp: the opened file
 761  * @buffer: where to find the user's data
 762  * @count: the length of the user's data
 763  * @ppos: file position offset
 764  **/
 765 static ssize_t i40e_dbg_command_write(struct file *filp,
 766                                       const char __user *buffer,
 767                                       size_t count, loff_t *ppos)
 768 {
 769         struct i40e_pf *pf = filp->private_data;
 770         char *cmd_buf, *cmd_buf_tmp;
 771         int bytes_not_copied;
 772         struct i40e_vsi *vsi;
 773         int vsi_seid;
 774         int veb_seid;
 775         int vf_id;
 776         int cnt;
 777
 778         /* don't allow partial writes */
 779         if (*ppos != 0)
 780                 return 0;
 781
 782         cmd_buf = kzalloc(count + 1, GFP_KERNEL);
 783         if (!cmd_buf)
 784                 return count;
 785         bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
 786         if (bytes_not_copied) {
 787                 kfree(cmd_buf);
 788                 return -EFAULT;
 789         }
 790         cmd_buf[count] = '\0';
 791
 792         cmd_buf_tmp = strchr(cmd_buf, '\n');
 793         if (cmd_buf_tmp) {
 794                 *cmd_buf_tmp = '\0';
 795                 count = cmd_buf_tmp - cmd_buf + 1;
 796         }
 797
 798         if (strncmp(cmd_buf, "add vsi", 7) == 0) {
 799                 vsi_seid = -1;
 800                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 801                 if (cnt == 0) {
 802                         /* default to PF VSI */
 803                         vsi_seid = pf->vsi[pf->lan_vsi]->seid;
 804                 } else if (vsi_seid < 0) {
 805                         dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
 806                                  vsi_seid);
 807                         goto command_write_done;
 808                 }
 809
 810                 /* By default we are in VEPA mode, if this is the first VF/VMDq
 811                  * VSI to be added switch to VEB mode.
 812                  */
 813                 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
 814                         pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
 815                         i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
 816                 }
 817
 818                 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
 819                 if (vsi)
 820                         dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
 821                                  vsi->seid, vsi->uplink_seid);
 822                 else
 823                         dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
 824
 825         } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
 826                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 827                 if (cnt != 1) {
 828                         dev_info(&pf->pdev->dev,
 829                                  "del vsi: bad command string, cnt=%d\n",
 830                                  cnt);
 831                         goto command_write_done;
 832                 }
 833                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 834                 if (!vsi) {
 835                         dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
 836                                  vsi_seid);
 837                         goto command_write_done;
 838                 }
 839
 840                 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
 841                 i40e_vsi_release(vsi);
 842
 843         } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
 844                 struct i40e_veb *veb;
 845                 int uplink_seid, i;
 846
 847                 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
 848                 if (cnt != 2) {
 849                         dev_info(&pf->pdev->dev,
 850                                  "add relay: bad command string, cnt=%d\n",
 851                                  cnt);
 852                         goto command_write_done;
 853                 } else if (uplink_seid < 0) {
 854                         dev_info(&pf->pdev->dev,
 855                                  "add relay %d: bad uplink seid\n",
 856                                  uplink_seid);
 857                         goto command_write_done;
 858                 }
 859
 860                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 861                 if (!vsi) {
 862                         dev_info(&pf->pdev->dev,
 863                                  "add relay: VSI %d not found\n", vsi_seid);
 864                         goto command_write_done;
 865                 }
 866
 867                 for (i = 0; i < I40E_MAX_VEB; i++)
 868                         if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
 869                                 break;
 870                 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
 871                     uplink_seid != pf->mac_seid) {
 872                         dev_info(&pf->pdev->dev,
 873                                  "add relay: relay uplink %d not found\n",
 874                                  uplink_seid);
 875                         goto command_write_done;
 876                 }
 877
 878                 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
 879                                      vsi->tc_config.enabled_tc);
 880                 if (veb)
 881                         dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
 882                 else
 883                         dev_info(&pf->pdev->dev, "add relay failed\n");
 884
 885         } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
 886                 int i;
 887                 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
 888                 if (cnt != 1) {
 889                         dev_info(&pf->pdev->dev,
 890                                  "del relay: bad command string, cnt=%d\n",
 891                                  cnt);
 892                         goto command_write_done;
 893                 } else if (veb_seid < 0) {
 894                         dev_info(&pf->pdev->dev,
 895                                  "del relay %d: bad relay seid\n", veb_seid);
 896                         goto command_write_done;
 897                 }
 898
 899                 /* find the veb */
 900                 for (i = 0; i < I40E_MAX_VEB; i++)
 901                         if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
 902                                 break;
 903                 if (i >= I40E_MAX_VEB) {
 904                         dev_info(&pf->pdev->dev,
 905                                  "del relay: relay %d not found\n", veb_seid);
 906                         goto command_write_done;
 907                 }
 908
 909                 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
 910                 i40e_veb_release(pf->veb[i]);
 911         } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
 912                 i40e_status ret;
 913                 u16 vid;
 914                 unsigned int v;
 915
 916                 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
 917                 if (cnt != 2) {
 918                         dev_info(&pf->pdev->dev,
 919                                  "add pvid: bad command string, cnt=%d\n", cnt);
 920                         goto command_write_done;
 921                 }
 922
 923                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 924                 if (!vsi) {
 925                         dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
 926                                  vsi_seid);
 927                         goto command_write_done;
 928                 }
 929
 930                 vid = v;
 931                 ret = i40e_vsi_add_pvid(vsi, vid);
 932                 if (!ret)
 933                         dev_info(&pf->pdev->dev,
 934                                  "add pvid: %d added to VSI %d\n",
 935                                  vid, vsi_seid);
 936                 else
 937                         dev_info(&pf->pdev->dev,
 938                                  "add pvid: %d to VSI %d failed, ret=%d\n",
 939                                  vid, vsi_seid, ret);
 940
 941         } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
 942
 943                 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 944                 if (cnt != 1) {
 945                         dev_info(&pf->pdev->dev,
 946                                  "del pvid: bad command string, cnt=%d\n",
 947                                  cnt);
 948                         goto command_write_done;
 949                 }
 950
 951                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 952                 if (!vsi) {
 953                         dev_info(&pf->pdev->dev,
 954                                  "del pvid: VSI %d not found\n", vsi_seid);
 955                         goto command_write_done;
 956                 }
 957
 958                 i40e_vsi_remove_pvid(vsi);
 959                 dev_info(&pf->pdev->dev,
 960                          "del pvid: removed from VSI %d\n", vsi_seid);
 961
 962         } else if (strncmp(cmd_buf, "dump", 4) == 0) {
 963                 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
 964                         i40e_fetch_switch_configuration(pf, true);
 965                 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
 966                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 967                         if (cnt > 0)
 968                                 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
 969                         else
 970                                 i40e_dbg_dump_vsi_no_seid(pf);
 971                 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
 972                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 973                         if (cnt > 0)
 974                                 i40e_dbg_dump_veb_seid(pf, vsi_seid);
 975                         else
 976                                 i40e_dbg_dump_veb_all(pf);
 977                 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
 978                         cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
 979                         if (cnt > 0)
 980                                 i40e_dbg_dump_vf(pf, vf_id);
 981                         else
 982                                 i40e_dbg_dump_vf_all(pf);
 983                 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
 984                         int ring_id, desc_n;
 985                         if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
 986                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
 987                                              &vsi_seid, &ring_id, &desc_n);
 988                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
 989                                                    desc_n, pf, RING_TYPE_RX);
 990                         } else if (strncmp(&cmd_buf[10], "tx", 2)
 991                                         == 0) {
 992                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
 993                                              &vsi_seid, &ring_id, &desc_n);
 994                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
 995                                                    desc_n, pf, RING_TYPE_TX);
 996                         } else if (strncmp(&cmd_buf[10], "xdp", 3)
 997                                         == 0) {
 998                                 cnt = sscanf(&cmd_buf[13], "%i %i %i",
 999                                              &vsi_seid, &ring_id, &desc_n);
1000                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1001                                                    desc_n, pf, RING_TYPE_XDP);
1002                         } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1003                                 i40e_dbg_dump_aq_desc(pf);
1004                         } else {
1005                                 dev_info(&pf->pdev->dev,
1006                                          "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1007                                 dev_info(&pf->pdev->dev,
1008                                          "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1009                                 dev_info(&pf->pdev->dev,
1010                                          "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1011                                 dev_info(&pf->pdev->dev, "dump desc aq\n");
1012                         }
1013                 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1014                         dev_info(&pf->pdev->dev,
1015                                  "core reset count: %d\n", pf->corer_count);
1016                         dev_info(&pf->pdev->dev,
1017                                  "global reset count: %d\n", pf->globr_count);
1018                         dev_info(&pf->pdev->dev,
1019                                  "emp reset count: %d\n", pf->empr_count);
1020                         dev_info(&pf->pdev->dev,
1021                                  "pf reset count: %d\n", pf->pfr_count);
1022                         dev_info(&pf->pdev->dev,
1023                                  "pf tx sluggish count: %d\n",
1024                                  pf->tx_sluggish_count);
1025                 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1026                         struct i40e_aqc_query_port_ets_config_resp *bw_data;
1027                         struct i40e_dcbx_config *cfg =
1028                                                 &pf->hw.local_dcbx_config;
1029                         struct i40e_dcbx_config *r_cfg =
1030                                                 &pf->hw.remote_dcbx_config;
1031                         int i, ret;
1032                         u16 switch_id;
1033
1034                         bw_data = kzalloc(sizeof(
1035                                     struct i40e_aqc_query_port_ets_config_resp),
1036                                           GFP_KERNEL);
1037                         if (!bw_data) {
1038                                 ret = -ENOMEM;
1039                                 goto command_write_done;
1040                         }
1041
1042                         vsi = pf->vsi[pf->lan_vsi];
1043                         switch_id =
1044                                 le16_to_cpu(vsi->info.switch_id) &
1045                                             I40E_AQ_VSI_SW_ID_MASK;
1046
1047                         ret = i40e_aq_query_port_ets_config(&pf->hw,
1048                                                             switch_id,
1049                                                             bw_data, NULL);
1050                         if (ret) {
1051                                 dev_info(&pf->pdev->dev,
1052                                          "Query Port ETS Config AQ command failed =0x%x\n",
1053                                          pf->hw.aq.asq_last_status);
1054                                 kfree(bw_data);
1055                                 bw_data = NULL;
1056                                 goto command_write_done;
1057                         }
1058                         dev_info(&pf->pdev->dev,
1059                                  "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1060                                  bw_data->tc_valid_bits,
1061                                  bw_data->tc_strict_priority_bits,
1062                                  le16_to_cpu(bw_data->tc_bw_max[0]),
1063                                  le16_to_cpu(bw_data->tc_bw_max[1]));
1064                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1065                                 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1066                                          bw_data->tc_bw_share_credits[i],
1067                                          le16_to_cpu(bw_data->tc_bw_limits[i]));
1068                         }
1069
1070                         kfree(bw_data);
1071                         bw_data = NULL;
1072
1073                         dev_info(&pf->pdev->dev,
1074                                  "port dcbx_mode=%d\n", cfg->dcbx_mode);
1075                         dev_info(&pf->pdev->dev,
1076                                  "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1077                                  cfg->etscfg.willing, cfg->etscfg.cbs,
1078                                  cfg->etscfg.maxtcs);
1079                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1080                                 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1081                                          i, cfg->etscfg.prioritytable[i],
1082                                          cfg->etscfg.tcbwtable[i],
1083                                          cfg->etscfg.tsatable[i]);
1084                         }
1085                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1086                                 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1087                                          i, cfg->etsrec.prioritytable[i],
1088                                          cfg->etsrec.tcbwtable[i],
1089                                          cfg->etsrec.tsatable[i]);
1090                         }
1091                         dev_info(&pf->pdev->dev,
1092                                  "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1093                                  cfg->pfc.willing, cfg->pfc.mbc,
1094                                  cfg->pfc.pfccap, cfg->pfc.pfcenable);
1095                         dev_info(&pf->pdev->dev,
1096                                  "port app_table: num_apps=%d\n", cfg->numapps);
1097                         for (i = 0; i < cfg->numapps; i++) {
1098                                 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1099                                          i, cfg->app[i].priority,
1100                                          cfg->app[i].selector,
1101                                          cfg->app[i].protocolid);
1102                         }
1103                         /* Peer TLV DCBX data */
1104                         dev_info(&pf->pdev->dev,
1105                                  "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1106                                  r_cfg->etscfg.willing,
1107                                  r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1108                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1109                                 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1110                                          i, r_cfg->etscfg.prioritytable[i],
1111                                          r_cfg->etscfg.tcbwtable[i],
1112                                          r_cfg->etscfg.tsatable[i]);
1113                         }
1114                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1115                                 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1116                                          i, r_cfg->etsrec.prioritytable[i],
1117                                          r_cfg->etsrec.tcbwtable[i],
1118                                          r_cfg->etsrec.tsatable[i]);
1119                         }
1120                         dev_info(&pf->pdev->dev,
1121                                  "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1122                                  r_cfg->pfc.willing,
1123                                  r_cfg->pfc.mbc,
1124                                  r_cfg->pfc.pfccap,
1125                                  r_cfg->pfc.pfcenable);
1126                         dev_info(&pf->pdev->dev,
1127                                  "remote port app_table: num_apps=%d\n",
1128                                  r_cfg->numapps);
1129                         for (i = 0; i < r_cfg->numapps; i++) {
1130                                 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1131                                          i, r_cfg->app[i].priority,
1132                                          r_cfg->app[i].selector,
1133                                          r_cfg->app[i].protocolid);
1134                         }
1135                 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1136                         int cluster_id, table_id;
1137                         int index, ret;
1138                         u16 buff_len = 4096;
1139                         u32 next_index;
1140                         u8 next_table;
1141                         u8 *buff;
1142                         u16 rlen;
1143
1144                         cnt = sscanf(&cmd_buf[18], "%i %i %i",
1145                                      &cluster_id, &table_id, &index);
1146                         if (cnt != 3) {
1147                                 dev_info(&pf->pdev->dev,
1148                                          "dump debug fwdata <cluster_id> <table_id> <index>\n");
1149                                 goto command_write_done;
1150                         }
1151
1152                         dev_info(&pf->pdev->dev,
1153                                  "AQ debug dump fwdata params %x %x %x %x\n",
1154                                  cluster_id, table_id, index, buff_len);
1155                         buff = kzalloc(buff_len, GFP_KERNEL);
1156                         if (!buff)
1157                                 goto command_write_done;
1158
1159                         ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1160                                                  index, buff_len, buff, &rlen,
1161                                                  &next_table, &next_index,
1162                                                  NULL);
1163                         if (ret) {
1164                                 dev_info(&pf->pdev->dev,
1165                                          "debug dump fwdata AQ Failed %d 0x%x\n",
1166                                          ret, pf->hw.aq.asq_last_status);
1167                                 kfree(buff);
1168                                 buff = NULL;
1169                                 goto command_write_done;
1170                         }
1171                         dev_info(&pf->pdev->dev,
1172                                  "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1173                                  rlen, next_table, next_index);
1174                         print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1175                                        DUMP_PREFIX_OFFSET, 16, 1,
1176                                        buff, rlen, true);
1177                         kfree(buff);
1178                         buff = NULL;
1179                 } else {
1180                         dev_info(&pf->pdev->dev,
1181                                  "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");
1182                         dev_info(&pf->pdev->dev, "dump switch\n");
1183                         dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1184                         dev_info(&pf->pdev->dev, "dump reset stats\n");
1185                         dev_info(&pf->pdev->dev, "dump port\n");
1186                         dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1187                         dev_info(&pf->pdev->dev,
1188                                  "dump debug fwdata <cluster_id> <table_id> <index>\n");
1189                 }
1190         } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1191                 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1192                 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1193
1194         } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1195                 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1196                 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1197
1198         } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1199                 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1200                 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1201
1202         } else if (strncmp(cmd_buf, "read", 4) == 0) {
1203                 u32 address;
1204                 u32 value;
1205
1206                 cnt = sscanf(&cmd_buf[4], "%i", &address);
1207                 if (cnt != 1) {
1208                         dev_info(&pf->pdev->dev, "read <reg>\n");
1209                         goto command_write_done;
1210                 }
1211
1212                 /* check the range on address */
1213                 if (address > (pf->ioremap_len - sizeof(u32))) {
1214                         dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1215                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1216                         goto command_write_done;
1217                 }
1218
1219                 value = rd32(&pf->hw, address);
1220                 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1221                          address, value);
1222
1223         } else if (strncmp(cmd_buf, "write", 5) == 0) {
1224                 u32 address, value;
1225
1226                 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1227                 if (cnt != 2) {
1228                         dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1229                         goto command_write_done;
1230                 }
1231
1232                 /* check the range on address */
1233                 if (address > (pf->ioremap_len - sizeof(u32))) {
1234                         dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1235                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1236                         goto command_write_done;
1237                 }
1238                 wr32(&pf->hw, address, value);
1239                 value = rd32(&pf->hw, address);
1240                 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1241                          address, value);
1242         } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1243                 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1244                         cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1245                         if (cnt == 0) {
1246                                 int i;
1247
1248                                 for (i = 0; i < pf->num_alloc_vsi; i++)
1249                                         i40e_vsi_reset_stats(pf->vsi[i]);
1250                                 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1251                         } else if (cnt == 1) {
1252                                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1253                                 if (!vsi) {
1254                                         dev_info(&pf->pdev->dev,
1255                                                  "clear_stats vsi: bad vsi %d\n",
1256                                                  vsi_seid);
1257                                         goto command_write_done;
1258                                 }
1259                                 i40e_vsi_reset_stats(vsi);
1260                                 dev_info(&pf->pdev->dev,
1261                                          "vsi clear stats called for vsi %d\n",
1262                                          vsi_seid);
1263                         } else {
1264                                 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1265                         }
1266                 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1267                         if (pf->hw.partition_id == 1) {
1268                                 i40e_pf_reset_stats(pf);
1269                                 dev_info(&pf->pdev->dev, "port stats cleared\n");
1270                         } else {
1271                                 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1272                         }
1273                 } else {
1274                         dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1275                 }
1276         } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1277                 struct i40e_aq_desc *desc;
1278                 i40e_status ret;
1279
1280                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1281                 if (!desc)
1282                         goto command_write_done;
1283                 cnt = sscanf(&cmd_buf[11],
1284                              "%hi %hi %hi %hi %i %i %i %i %i %i",
1285                              &desc->flags,
1286                              &desc->opcode, &desc->datalen, &desc->retval,
1287                              &desc->cookie_high, &desc->cookie_low,
1288                              &desc->params.internal.param0,
1289                              &desc->params.internal.param1,
1290                              &desc->params.internal.param2,
1291                              &desc->params.internal.param3);
1292                 if (cnt != 10) {
1293                         dev_info(&pf->pdev->dev,
1294                                  "send aq_cmd: bad command string, cnt=%d\n",
1295                                  cnt);
1296                         kfree(desc);
1297                         desc = NULL;
1298                         goto command_write_done;
1299                 }
1300                 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1301                 if (!ret) {
1302                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1303                 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1304                         dev_info(&pf->pdev->dev,
1305                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1306                                  desc->opcode, pf->hw.aq.asq_last_status);
1307                 } else {
1308                         dev_info(&pf->pdev->dev,
1309                                  "AQ command send failed Opcode %x Status: %d\n",
1310                                  desc->opcode, ret);
1311                 }
1312                 dev_info(&pf->pdev->dev,
1313                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1314                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1315                          desc->cookie_high, desc->cookie_low,
1316                          desc->params.internal.param0,
1317                          desc->params.internal.param1,
1318                          desc->params.internal.param2,
1319                          desc->params.internal.param3);
1320                 kfree(desc);
1321                 desc = NULL;
1322         } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1323                 struct i40e_aq_desc *desc;
1324                 i40e_status ret;
1325                 u16 buffer_len;
1326                 u8 *buff;
1327
1328                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1329                 if (!desc)
1330                         goto command_write_done;
1331                 cnt = sscanf(&cmd_buf[20],
1332                              "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1333                              &desc->flags,
1334                              &desc->opcode, &desc->datalen, &desc->retval,
1335                              &desc->cookie_high, &desc->cookie_low,
1336                              &desc->params.internal.param0,
1337                              &desc->params.internal.param1,
1338                              &desc->params.internal.param2,
1339                              &desc->params.internal.param3,
1340                              &buffer_len);
1341                 if (cnt != 11) {
1342                         dev_info(&pf->pdev->dev,
1343                                  "send indirect aq_cmd: bad command string, cnt=%d\n",
1344                                  cnt);
1345                         kfree(desc);
1346                         desc = NULL;
1347                         goto command_write_done;
1348                 }
1349                 /* Just stub a buffer big enough in case user messed up */
1350                 if (buffer_len == 0)
1351                         buffer_len = 1280;
1352
1353                 buff = kzalloc(buffer_len, GFP_KERNEL);
1354                 if (!buff) {
1355                         kfree(desc);
1356                         desc = NULL;
1357                         goto command_write_done;
1358                 }
1359                 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1360                 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1361                                             buffer_len, NULL);
1362                 if (!ret) {
1363                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1364                 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1365                         dev_info(&pf->pdev->dev,
1366                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1367                                  desc->opcode, pf->hw.aq.asq_last_status);
1368                 } else {
1369                         dev_info(&pf->pdev->dev,
1370                                  "AQ command send failed Opcode %x Status: %d\n",
1371                                  desc->opcode, ret);
1372                 }
1373                 dev_info(&pf->pdev->dev,
1374                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1375                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1376                          desc->cookie_high, desc->cookie_low,
1377                          desc->params.internal.param0,
1378                          desc->params.internal.param1,
1379                          desc->params.internal.param2,
1380                          desc->params.internal.param3);
1381                 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1382                                DUMP_PREFIX_OFFSET, 16, 1,
1383                                buff, buffer_len, true);
1384                 kfree(buff);
1385                 buff = NULL;
1386                 kfree(desc);
1387                 desc = NULL;
1388         } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1389                 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1390                          i40e_get_current_fd_count(pf));
1391         } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1392                 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1393                         int ret;
1394
1395                         ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
1396                         if (ret) {
1397                                 dev_info(&pf->pdev->dev,
1398                                          "Stop LLDP AQ command failed =0x%x\n",
1399                                          pf->hw.aq.asq_last_status);
1400                                 goto command_write_done;
1401                         }
1402                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1403                                                 pf->hw.mac.addr,
1404                                                 ETH_P_LLDP, 0,
1405                                                 pf->vsi[pf->lan_vsi]->seid,
1406                                                 0, true, NULL, NULL);
1407                         if (ret) {
1408                                 dev_info(&pf->pdev->dev,
1409                                         "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1410                                         __func__, pf->hw.aq.asq_last_status);
1411                                 goto command_write_done;
1412                         }
1413 #ifdef CONFIG_I40E_DCB
1414                         pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1415                                        DCB_CAP_DCBX_VER_IEEE;
1416 #endif /* CONFIG_I40E_DCB */
1417                 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1418                         int ret;
1419
1420                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1421                                                 pf->hw.mac.addr,
1422                                                 ETH_P_LLDP, 0,
1423                                                 pf->vsi[pf->lan_vsi]->seid,
1424                                                 0, false, NULL, NULL);
1425                         if (ret) {
1426                                 dev_info(&pf->pdev->dev,
1427                                         "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1428                                         __func__, pf->hw.aq.asq_last_status);
1429                                 /* Continue and start FW LLDP anyways */
1430                         }
1431
1432                         ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
1433                         if (ret) {
1434                                 dev_info(&pf->pdev->dev,
1435                                          "Start LLDP AQ command failed =0x%x\n",
1436                                          pf->hw.aq.asq_last_status);
1437                                 goto command_write_done;
1438                         }
1439 #ifdef CONFIG_I40E_DCB
1440                         pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1441                                        DCB_CAP_DCBX_VER_IEEE;
1442 #endif /* CONFIG_I40E_DCB */
1443                 } else if (strncmp(&cmd_buf[5],
1444                            "get local", 9) == 0) {
1445                         u16 llen, rlen;
1446                         int ret;
1447                         u8 *buff;
1448
1449                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1450                         if (!buff)
1451                                 goto command_write_done;
1452
1453                         ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1454                                                    I40E_AQ_LLDP_MIB_LOCAL,
1455                                                    buff, I40E_LLDPDU_SIZE,
1456                                                    &llen, &rlen, NULL);
1457                         if (ret) {
1458                                 dev_info(&pf->pdev->dev,
1459                                          "Get LLDP MIB (local) AQ command failed =0x%x\n",
1460                                          pf->hw.aq.asq_last_status);
1461                                 kfree(buff);
1462                                 buff = NULL;
1463                                 goto command_write_done;
1464                         }
1465                         dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1466                         print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1467                                        DUMP_PREFIX_OFFSET, 16, 1,
1468                                        buff, I40E_LLDPDU_SIZE, true);
1469                         kfree(buff);
1470                         buff = NULL;
1471                 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1472                         u16 llen, rlen;
1473                         int ret;
1474                         u8 *buff;
1475
1476                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1477                         if (!buff)
1478                                 goto command_write_done;
1479
1480                         ret = i40e_aq_get_lldp_mib(&pf->hw,
1481                                         I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1482                                         I40E_AQ_LLDP_MIB_REMOTE,
1483                                         buff, I40E_LLDPDU_SIZE,
1484                                         &llen, &rlen, NULL);
1485                         if (ret) {
1486                                 dev_info(&pf->pdev->dev,
1487                                          "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1488                                          pf->hw.aq.asq_last_status);
1489                                 kfree(buff);
1490                                 buff = NULL;
1491                                 goto command_write_done;
1492                         }
1493                         dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1494                         print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1495                                        DUMP_PREFIX_OFFSET, 16, 1,
1496                                        buff, I40E_LLDPDU_SIZE, true);
1497                         kfree(buff);
1498                         buff = NULL;
1499                 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1500                         int ret;
1501
1502                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1503                                                                 true, NULL);
1504                         if (ret) {
1505                                 dev_info(&pf->pdev->dev,
1506                                          "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1507                                          pf->hw.aq.asq_last_status);
1508                                 goto command_write_done;
1509                         }
1510                 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1511                         int ret;
1512
1513                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1514                                                                 false, NULL);
1515                         if (ret) {
1516                                 dev_info(&pf->pdev->dev,
1517                                          "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1518                                          pf->hw.aq.asq_last_status);
1519                                 goto command_write_done;
1520                         }
1521                 }
1522         } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1523                 u16 buffer_len, bytes;
1524                 u16 module;
1525                 u32 offset;
1526                 u16 *buff;
1527                 int ret;
1528
1529                 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1530                              &module, &offset, &buffer_len);
1531                 if (cnt == 0) {
1532                         module = 0;
1533                         offset = 0;
1534                         buffer_len = 0;
1535                 } else if (cnt == 1) {
1536                         offset = 0;
1537                         buffer_len = 0;
1538                 } else if (cnt == 2) {
1539                         buffer_len = 0;
1540                 } else if (cnt > 3) {
1541                         dev_info(&pf->pdev->dev,
1542                                  "nvm read: bad command string, cnt=%d\n", cnt);
1543                         goto command_write_done;
1544                 }
1545
1546                 /* set the max length */
1547                 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1548
1549                 bytes = 2 * buffer_len;
1550
1551                 /* read at least 1k bytes, no more than 4kB */
1552                 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1553                 buff = kzalloc(bytes, GFP_KERNEL);
1554                 if (!buff)
1555                         goto command_write_done;
1556
1557                 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1558                 if (ret) {
1559                         dev_info(&pf->pdev->dev,
1560                                  "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1561                                  ret, pf->hw.aq.asq_last_status);
1562                         kfree(buff);
1563                         goto command_write_done;
1564                 }
1565
1566                 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1567                                        bytes, (u8 *)buff, true, NULL);
1568                 i40e_release_nvm(&pf->hw);
1569                 if (ret) {
1570                         dev_info(&pf->pdev->dev,
1571                                  "Read NVM AQ failed err=%d status=0x%x\n",
1572                                  ret, pf->hw.aq.asq_last_status);
1573                 } else {
1574                         dev_info(&pf->pdev->dev,
1575                                  "Read NVM module=0x%x offset=0x%x words=%d\n",
1576                                  module, offset, buffer_len);
1577                         if (bytes)
1578                                 print_hex_dump(KERN_INFO, "NVM Dump: ",
1579                                         DUMP_PREFIX_OFFSET, 16, 2,
1580                                         buff, bytes, true);
1581                 }
1582                 kfree(buff);
1583                 buff = NULL;
1584         } else {
1585                 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1586                 dev_info(&pf->pdev->dev, "available commands\n");
1587                 dev_info(&pf->pdev->dev, "  add vsi [relay_seid]\n");
1588                 dev_info(&pf->pdev->dev, "  del vsi [vsi_seid]\n");
1589                 dev_info(&pf->pdev->dev, "  add relay <uplink_seid> <vsi_seid>\n");
1590                 dev_info(&pf->pdev->dev, "  del relay <relay_seid>\n");
1591                 dev_info(&pf->pdev->dev, "  add pvid <vsi_seid> <vid>\n");
1592                 dev_info(&pf->pdev->dev, "  del pvid <vsi_seid>\n");
1593                 dev_info(&pf->pdev->dev, "  dump switch\n");
1594                 dev_info(&pf->pdev->dev, "  dump vsi [seid]\n");
1595                 dev_info(&pf->pdev->dev, "  dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1596                 dev_info(&pf->pdev->dev, "  dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1597                 dev_info(&pf->pdev->dev, "  dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1598                 dev_info(&pf->pdev->dev, "  dump desc aq\n");
1599                 dev_info(&pf->pdev->dev, "  dump reset stats\n");
1600                 dev_info(&pf->pdev->dev, "  dump debug fwdata <cluster_id> <table_id> <index>\n");
1601                 dev_info(&pf->pdev->dev, "  read <reg>\n");
1602                 dev_info(&pf->pdev->dev, "  write <reg> <value>\n");
1603                 dev_info(&pf->pdev->dev, "  clear_stats vsi [seid]\n");
1604                 dev_info(&pf->pdev->dev, "  clear_stats port\n");
1605                 dev_info(&pf->pdev->dev, "  pfr\n");
1606                 dev_info(&pf->pdev->dev, "  corer\n");
1607                 dev_info(&pf->pdev->dev, "  globr\n");
1608                 dev_info(&pf->pdev->dev, "  send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1609                 dev_info(&pf->pdev->dev, "  send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1610                 dev_info(&pf->pdev->dev, "  fd current cnt");
1611                 dev_info(&pf->pdev->dev, "  lldp start\n");
1612                 dev_info(&pf->pdev->dev, "  lldp stop\n");
1613                 dev_info(&pf->pdev->dev, "  lldp get local\n");
1614                 dev_info(&pf->pdev->dev, "  lldp get remote\n");
1615                 dev_info(&pf->pdev->dev, "  lldp event on\n");
1616                 dev_info(&pf->pdev->dev, "  lldp event off\n");
1617                 dev_info(&pf->pdev->dev, "  nvm read [module] [word_offset] [word_count]\n");
1618         }
1619
1620 command_write_done:
1621         kfree(cmd_buf);
1622         cmd_buf = NULL;
1623         return count;
1624 }
1625
1626 static const struct file_operations i40e_dbg_command_fops = {
1627         .owner = THIS_MODULE,
1628         .open =  simple_open,
1629         .read =  i40e_dbg_command_read,
1630         .write = i40e_dbg_command_write,
1631 };
1632
1633 /**************************************************************
1634  * netdev_ops
1635  * The netdev_ops entry in debugfs is for giving the driver commands
1636  * to be executed from the netdev operations.
1637  **************************************************************/
1638 static char i40e_dbg_netdev_ops_buf[256] = "";
1639
1640 /**
1641  * i40e_dbg_netdev_ops - read for netdev_ops datum
1642  * @filp: the opened file
1643  * @buffer: where to write the data for the user to read
1644  * @count: the size of the user's buffer
1645  * @ppos: file position offset
1646  **/
1647 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1648                                         size_t count, loff_t *ppos)
1649 {
1650         struct i40e_pf *pf = filp->private_data;
1651         int bytes_not_copied;
1652         int buf_size = 256;
1653         char *buf;
1654         int len;
1655
1656         /* don't allow partal reads */
1657         if (*ppos != 0)
1658                 return 0;
1659         if (count < buf_size)
1660                 return -ENOSPC;
1661
1662         buf = kzalloc(buf_size, GFP_KERNEL);
1663         if (!buf)
1664                 return -ENOSPC;
1665
1666         len = snprintf(buf, buf_size, "%s: %s\n",
1667                        pf->vsi[pf->lan_vsi]->netdev->name,
1668                        i40e_dbg_netdev_ops_buf);
1669
1670         bytes_not_copied = copy_to_user(buffer, buf, len);
1671         kfree(buf);
1672
1673         if (bytes_not_copied)
1674                 return -EFAULT;
1675
1676         *ppos = len;
1677         return len;
1678 }
1679
1680 /**
1681  * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1682  * @filp: the opened file
1683  * @buffer: where to find the user's data
1684  * @count: the length of the user's data
1685  * @ppos: file position offset
1686  **/
1687 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1688                                          const char __user *buffer,
1689                                          size_t count, loff_t *ppos)
1690 {
1691         struct i40e_pf *pf = filp->private_data;
1692         int bytes_not_copied;
1693         struct i40e_vsi *vsi;
1694         char *buf_tmp;
1695         int vsi_seid;
1696         int i, cnt;
1697
1698         /* don't allow partial writes */
1699         if (*ppos != 0)
1700                 return 0;
1701         if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1702                 return -ENOSPC;
1703
1704         memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1705         bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1706                                           buffer, count);
1707         if (bytes_not_copied)
1708                 return -EFAULT;
1709         i40e_dbg_netdev_ops_buf[count] = '\0';
1710
1711         buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1712         if (buf_tmp) {
1713                 *buf_tmp = '\0';
1714                 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1715         }
1716
1717         if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1718                 int mtu;
1719
1720                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1721                              &vsi_seid, &mtu);
1722                 if (cnt != 2) {
1723                         dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1724                         goto netdev_ops_write_done;
1725                 }
1726                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1727                 if (!vsi) {
1728                         dev_info(&pf->pdev->dev,
1729                                  "change_mtu: VSI %d not found\n", vsi_seid);
1730                 } else if (!vsi->netdev) {
1731                         dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1732                                  vsi_seid);
1733                 } else if (rtnl_trylock()) {
1734                         vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1735                                                                 mtu);
1736                         rtnl_unlock();
1737                         dev_info(&pf->pdev->dev, "change_mtu called\n");
1738                 } else {
1739                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1740                 }
1741
1742         } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1743                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1744                 if (cnt != 1) {
1745                         dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1746                         goto netdev_ops_write_done;
1747                 }
1748                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1749                 if (!vsi) {
1750                         dev_info(&pf->pdev->dev,
1751                                  "set_rx_mode: VSI %d not found\n", vsi_seid);
1752                 } else if (!vsi->netdev) {
1753                         dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1754                                  vsi_seid);
1755                 } else if (rtnl_trylock()) {
1756                         vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1757                         rtnl_unlock();
1758                         dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1759                 } else {
1760                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1761                 }
1762
1763         } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1764                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1765                 if (cnt != 1) {
1766                         dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1767                         goto netdev_ops_write_done;
1768                 }
1769                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1770                 if (!vsi) {
1771                         dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1772                                  vsi_seid);
1773                 } else if (!vsi->netdev) {
1774                         dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1775                                  vsi_seid);
1776                 } else {
1777                         for (i = 0; i < vsi->num_q_vectors; i++)
1778                                 napi_schedule(&vsi->q_vectors[i]->napi);
1779                         dev_info(&pf->pdev->dev, "napi called\n");
1780                 }
1781         } else {
1782                 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1783                          i40e_dbg_netdev_ops_buf);
1784                 dev_info(&pf->pdev->dev, "available commands\n");
1785                 dev_info(&pf->pdev->dev, "  change_mtu <vsi_seid> <mtu>\n");
1786                 dev_info(&pf->pdev->dev, "  set_rx_mode <vsi_seid>\n");
1787                 dev_info(&pf->pdev->dev, "  napi <vsi_seid>\n");
1788         }
1789 netdev_ops_write_done:
1790         return count;
1791 }
1792
1793 static const struct file_operations i40e_dbg_netdev_ops_fops = {
1794         .owner = THIS_MODULE,
1795         .open = simple_open,
1796         .read = i40e_dbg_netdev_ops_read,
1797         .write = i40e_dbg_netdev_ops_write,
1798 };
1799
1800 /**
1801  * i40e_dbg_pf_init - setup the debugfs directory for the PF
1802  * @pf: the PF that is starting up
1803  **/
1804 void i40e_dbg_pf_init(struct i40e_pf *pf)
1805 {
1806         const char *name = pci_name(pf->pdev);
1807
1808         pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1809
1810         debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1811                             &i40e_dbg_command_fops);
1812
1813         debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1814                             &i40e_dbg_netdev_ops_fops);
1815 }
1816
1817 /**
1818  * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1819  * @pf: the PF that is stopping
1820  **/
1821 void i40e_dbg_pf_exit(struct i40e_pf *pf)
1822 {
1823         debugfs_remove_recursive(pf->i40e_dbg_pf);
1824         pf->i40e_dbg_pf = NULL;
1825 }
1826
1827 /**
1828  * i40e_dbg_init - start up debugfs for the driver
1829  **/
1830 void i40e_dbg_init(void)
1831 {
1832         i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1833         if (!i40e_dbg_root)
1834                 pr_info("init of debugfs failed\n");
1835 }
1836
1837 /**
1838  * i40e_dbg_exit - clean out the driver's debugfs entries
1839  **/
1840 void i40e_dbg_exit(void)
1841 {
1842         debugfs_remove_recursive(i40e_dbg_root);
1843         i40e_dbg_root = NULL;
1844 }
1845
1846 #endif /* CONFIG_DEBUG_FS */