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 (vsi->type != I40E_VSI_MAIN &&
 557             vsi->type != I40E_VSI_FDIR &&
 558             vsi->type != I40E_VSI_VMDQ2) {
 559                 dev_info(&pf->pdev->dev,
 560                          "vsi %d type %d descriptor rings not available\n",
 561                          vsi_seid, vsi->type);
 562                 return;
 563         }
 564         if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) {
 565                 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid);
 566                 return;
 567         }
 568         if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
 569                 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
 570                 return;
 571         }
 572         if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
 573                 dev_info(&pf->pdev->dev,
 574                          "descriptor rings have not been allocated for vsi %d\n",
 575                          vsi_seid);
 576                 return;
 577         }
 578
 579         switch (type) {
 580         case RING_TYPE_RX:
 581                 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 582                 break;
 583         case RING_TYPE_TX:
 584                 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 585                 break;
 586         case RING_TYPE_XDP:
 587                 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 588                 break;
 589         default:
 590                 ring = NULL;
 591                 break;
 592         }
 593         if (!ring)
 594                 return;
 595
 596         if (cnt == 2) {
 597                 switch (type) {
 598                 case RING_TYPE_RX:
 599                         dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id);
 600                         break;
 601                 case RING_TYPE_TX:
 602                         dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id);
 603                         break;
 604                 case RING_TYPE_XDP:
 605                         dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id);
 606                         break;
 607                 }
 608                 for (i = 0; i < ring->count; i++) {
 609                         if (!is_rx_ring) {
 610                                 txd = I40E_TX_DESC(ring, i);
 611                                 dev_info(&pf->pdev->dev,
 612                                          "   d[%03x] = 0x%016llx 0x%016llx\n",
 613                                          i, txd->buffer_addr,
 614                                          txd->cmd_type_offset_bsz);
 615                         } else {
 616                                 rxd = I40E_RX_DESC(ring, i);
 617                                 dev_info(&pf->pdev->dev,
 618                                          "   d[%03x] = 0x%016llx 0x%016llx\n",
 619                                          i, rxd->read.pkt_addr,
 620                                          rxd->read.hdr_addr);
 621                         }
 622                 }
 623         } else if (cnt == 3) {
 624                 if (desc_n >= ring->count || desc_n < 0) {
 625                         dev_info(&pf->pdev->dev,
 626                                  "descriptor %d not found\n", desc_n);
 627                         goto out;
 628                 }
 629                 if (!is_rx_ring) {
 630                         txd = I40E_TX_DESC(ring, desc_n);
 631                         dev_info(&pf->pdev->dev,
 632                                  "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 633                                  vsi_seid, ring_id, desc_n,
 634                                  txd->buffer_addr, txd->cmd_type_offset_bsz);
 635                 } else {
 636                         rxd = I40E_RX_DESC(ring, desc_n);
 637                         dev_info(&pf->pdev->dev,
 638                                  "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 639                                  vsi_seid, ring_id, desc_n,
 640                                  rxd->read.pkt_addr, rxd->read.hdr_addr);
 641                 }
 642         } else {
 643                 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n");
 644         }
 645
 646 out:
 647         kfree(ring);
 648 }
 649
 650 /**
 651  * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
 652  * @pf: the i40e_pf created in command write
 653  **/
 654 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
 655 {
 656         int i;
 657
 658         for (i = 0; i < pf->num_alloc_vsi; i++)
 659                 if (pf->vsi[i])
 660                         dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
 661                                  i, pf->vsi[i]->seid);
 662 }
 663
 664 /**
 665  * i40e_dbg_dump_eth_stats - handles dump stats write into command datum
 666  * @pf: the i40e_pf created in command write
 667  * @estats: the eth stats structure to be dumped
 668  **/
 669 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
 670                                     struct i40e_eth_stats *estats)
 671 {
 672         dev_info(&pf->pdev->dev, "  ethstats:\n");
 673         dev_info(&pf->pdev->dev,
 674                  "    rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
 675                 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
 676         dev_info(&pf->pdev->dev,
 677                  "    rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
 678                  estats->rx_broadcast, estats->rx_discards);
 679         dev_info(&pf->pdev->dev,
 680                  "    rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
 681                  estats->rx_unknown_protocol, estats->tx_bytes);
 682         dev_info(&pf->pdev->dev,
 683                  "    tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
 684                  estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
 685         dev_info(&pf->pdev->dev,
 686                  "    tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
 687                  estats->tx_discards, estats->tx_errors);
 688 }
 689
 690 /**
 691  * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
 692  * @pf: the i40e_pf created in command write
 693  * @seid: the seid the user put in
 694  **/
 695 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
 696 {
 697         struct i40e_veb *veb;
 698
 699         veb = i40e_dbg_find_veb(pf, seid);
 700         if (!veb) {
 701                 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
 702                 return;
 703         }
 704         dev_info(&pf->pdev->dev,
 705                  "veb idx=%d,%d stats_ic=%d  seid=%d uplink=%d mode=%s\n",
 706                  veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
 707                  veb->uplink_seid,
 708                  veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
 709         i40e_dbg_dump_eth_stats(pf, &veb->stats);
 710 }
 711
 712 /**
 713  * i40e_dbg_dump_veb_all - dumps all known veb's stats
 714  * @pf: the i40e_pf created in command write
 715  **/
 716 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
 717 {
 718         struct i40e_veb *veb;
 719         int i;
 720
 721         for (i = 0; i < I40E_MAX_VEB; i++) {
 722                 veb = pf->veb[i];
 723                 if (veb)
 724                         i40e_dbg_dump_veb_seid(pf, veb->seid);
 725         }
 726 }
 727
 728 /**
 729  * i40e_dbg_dump_vf - dump VF info
 730  * @pf: the i40e_pf created in command write
 731  * @vf_id: the vf_id from the user
 732  **/
 733 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
 734 {
 735         struct i40e_vf *vf;
 736         struct i40e_vsi *vsi;
 737
 738         if (!pf->num_alloc_vfs) {
 739                 dev_info(&pf->pdev->dev, "no VFs allocated\n");
 740         } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
 741                 vf = &pf->vf[vf_id];
 742                 vsi = pf->vsi[vf->lan_vsi_idx];
 743                 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
 744                          vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
 745                 dev_info(&pf->pdev->dev, "       num MDD=%lld, invalid msg=%lld, valid msg=%lld\n",
 746                          vf->num_mdd_events,
 747                          vf->num_invalid_msgs,
 748                          vf->num_valid_msgs);
 749         } else {
 750                 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
 751         }
 752 }
 753
 754 /**
 755  * i40e_dbg_dump_vf_all - dump VF info for all VFs
 756  * @pf: the i40e_pf created in command write
 757  **/
 758 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
 759 {
 760         int i;
 761
 762         if (!pf->num_alloc_vfs)
 763                 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
 764         else
 765                 for (i = 0; i < pf->num_alloc_vfs; i++)
 766                         i40e_dbg_dump_vf(pf, i);
 767 }
 768
 769 /**
 770  * i40e_dbg_command_write - write into command datum
 771  * @filp: the opened file
 772  * @buffer: where to find the user's data
 773  * @count: the length of the user's data
 774  * @ppos: file position offset
 775  **/
 776 static ssize_t i40e_dbg_command_write(struct file *filp,
 777                                       const char __user *buffer,
 778                                       size_t count, loff_t *ppos)
 779 {
 780         struct i40e_pf *pf = filp->private_data;
 781         char *cmd_buf, *cmd_buf_tmp;
 782         int bytes_not_copied;
 783         struct i40e_vsi *vsi;
 784         int vsi_seid;
 785         int veb_seid;
 786         int vf_id;
 787         int cnt;
 788
 789         /* don't allow partial writes */
 790         if (*ppos != 0)
 791                 return 0;
 792
 793         cmd_buf = kzalloc(count + 1, GFP_KERNEL);
 794         if (!cmd_buf)
 795                 return count;
 796         bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
 797         if (bytes_not_copied) {
 798                 kfree(cmd_buf);
 799                 return -EFAULT;
 800         }
 801         cmd_buf[count] = '\0';
 802
 803         cmd_buf_tmp = strchr(cmd_buf, '\n');
 804         if (cmd_buf_tmp) {
 805                 *cmd_buf_tmp = '\0';
 806                 count = cmd_buf_tmp - cmd_buf + 1;
 807         }
 808
 809         if (strncmp(cmd_buf, "add vsi", 7) == 0) {
 810                 vsi_seid = -1;
 811                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 812                 if (cnt == 0) {
 813                         /* default to PF VSI */
 814                         vsi_seid = pf->vsi[pf->lan_vsi]->seid;
 815                 } else if (vsi_seid < 0) {
 816                         dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
 817                                  vsi_seid);
 818                         goto command_write_done;
 819                 }
 820
 821                 /* By default we are in VEPA mode, if this is the first VF/VMDq
 822                  * VSI to be added switch to VEB mode.
 823                  */
 824                 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
 825                         pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
 826                         i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
 827                 }
 828
 829                 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
 830                 if (vsi)
 831                         dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
 832                                  vsi->seid, vsi->uplink_seid);
 833                 else
 834                         dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
 835
 836         } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
 837                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 838                 if (cnt != 1) {
 839                         dev_info(&pf->pdev->dev,
 840                                  "del vsi: bad command string, cnt=%d\n",
 841                                  cnt);
 842                         goto command_write_done;
 843                 }
 844                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 845                 if (!vsi) {
 846                         dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
 847                                  vsi_seid);
 848                         goto command_write_done;
 849                 }
 850
 851                 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
 852                 i40e_vsi_release(vsi);
 853
 854         } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
 855                 struct i40e_veb *veb;
 856                 int uplink_seid, i;
 857
 858                 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
 859                 if (cnt != 2) {
 860                         dev_info(&pf->pdev->dev,
 861                                  "add relay: bad command string, cnt=%d\n",
 862                                  cnt);
 863                         goto command_write_done;
 864                 } else if (uplink_seid < 0) {
 865                         dev_info(&pf->pdev->dev,
 866                                  "add relay %d: bad uplink seid\n",
 867                                  uplink_seid);
 868                         goto command_write_done;
 869                 }
 870
 871                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 872                 if (!vsi) {
 873                         dev_info(&pf->pdev->dev,
 874                                  "add relay: VSI %d not found\n", vsi_seid);
 875                         goto command_write_done;
 876                 }
 877
 878                 for (i = 0; i < I40E_MAX_VEB; i++)
 879                         if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
 880                                 break;
 881                 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
 882                     uplink_seid != pf->mac_seid) {
 883                         dev_info(&pf->pdev->dev,
 884                                  "add relay: relay uplink %d not found\n",
 885                                  uplink_seid);
 886                         goto command_write_done;
 887                 }
 888
 889                 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
 890                                      vsi->tc_config.enabled_tc);
 891                 if (veb)
 892                         dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
 893                 else
 894                         dev_info(&pf->pdev->dev, "add relay failed\n");
 895
 896         } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
 897                 int i;
 898                 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
 899                 if (cnt != 1) {
 900                         dev_info(&pf->pdev->dev,
 901                                  "del relay: bad command string, cnt=%d\n",
 902                                  cnt);
 903                         goto command_write_done;
 904                 } else if (veb_seid < 0) {
 905                         dev_info(&pf->pdev->dev,
 906                                  "del relay %d: bad relay seid\n", veb_seid);
 907                         goto command_write_done;
 908                 }
 909
 910                 /* find the veb */
 911                 for (i = 0; i < I40E_MAX_VEB; i++)
 912                         if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
 913                                 break;
 914                 if (i >= I40E_MAX_VEB) {
 915                         dev_info(&pf->pdev->dev,
 916                                  "del relay: relay %d not found\n", veb_seid);
 917                         goto command_write_done;
 918                 }
 919
 920                 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
 921                 i40e_veb_release(pf->veb[i]);
 922         } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
 923                 i40e_status ret;
 924                 u16 vid;
 925                 unsigned int v;
 926
 927                 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
 928                 if (cnt != 2) {
 929                         dev_info(&pf->pdev->dev,
 930                                  "add pvid: bad command string, cnt=%d\n", cnt);
 931                         goto command_write_done;
 932                 }
 933
 934                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 935                 if (!vsi) {
 936                         dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
 937                                  vsi_seid);
 938                         goto command_write_done;
 939                 }
 940
 941                 vid = v;
 942                 ret = i40e_vsi_add_pvid(vsi, vid);
 943                 if (!ret)
 944                         dev_info(&pf->pdev->dev,
 945                                  "add pvid: %d added to VSI %d\n",
 946                                  vid, vsi_seid);
 947                 else
 948                         dev_info(&pf->pdev->dev,
 949                                  "add pvid: %d to VSI %d failed, ret=%d\n",
 950                                  vid, vsi_seid, ret);
 951
 952         } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
 953
 954                 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 955                 if (cnt != 1) {
 956                         dev_info(&pf->pdev->dev,
 957                                  "del pvid: bad command string, cnt=%d\n",
 958                                  cnt);
 959                         goto command_write_done;
 960                 }
 961
 962                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 963                 if (!vsi) {
 964                         dev_info(&pf->pdev->dev,
 965                                  "del pvid: VSI %d not found\n", vsi_seid);
 966                         goto command_write_done;
 967                 }
 968
 969                 i40e_vsi_remove_pvid(vsi);
 970                 dev_info(&pf->pdev->dev,
 971                          "del pvid: removed from VSI %d\n", vsi_seid);
 972
 973         } else if (strncmp(cmd_buf, "dump", 4) == 0) {
 974                 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
 975                         i40e_fetch_switch_configuration(pf, true);
 976                 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
 977                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 978                         if (cnt > 0)
 979                                 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
 980                         else
 981                                 i40e_dbg_dump_vsi_no_seid(pf);
 982                 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
 983                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 984                         if (cnt > 0)
 985                                 i40e_dbg_dump_veb_seid(pf, vsi_seid);
 986                         else
 987                                 i40e_dbg_dump_veb_all(pf);
 988                 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
 989                         cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
 990                         if (cnt > 0)
 991                                 i40e_dbg_dump_vf(pf, vf_id);
 992                         else
 993                                 i40e_dbg_dump_vf_all(pf);
 994                 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
 995                         int ring_id, desc_n;
 996                         if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
 997                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
 998                                              &vsi_seid, &ring_id, &desc_n);
 999                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1000                                                    desc_n, pf, RING_TYPE_RX);
1001                         } else if (strncmp(&cmd_buf[10], "tx", 2)
1002                                         == 0) {
1003                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1004                                              &vsi_seid, &ring_id, &desc_n);
1005                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1006                                                    desc_n, pf, RING_TYPE_TX);
1007                         } else if (strncmp(&cmd_buf[10], "xdp", 3)
1008                                         == 0) {
1009                                 cnt = sscanf(&cmd_buf[13], "%i %i %i",
1010                                              &vsi_seid, &ring_id, &desc_n);
1011                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1012                                                    desc_n, pf, RING_TYPE_XDP);
1013                         } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1014                                 i40e_dbg_dump_aq_desc(pf);
1015                         } else {
1016                                 dev_info(&pf->pdev->dev,
1017                                          "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1018                                 dev_info(&pf->pdev->dev,
1019                                          "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1020                                 dev_info(&pf->pdev->dev,
1021                                          "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1022                                 dev_info(&pf->pdev->dev, "dump desc aq\n");
1023                         }
1024                 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1025                         dev_info(&pf->pdev->dev,
1026                                  "core reset count: %d\n", pf->corer_count);
1027                         dev_info(&pf->pdev->dev,
1028                                  "global reset count: %d\n", pf->globr_count);
1029                         dev_info(&pf->pdev->dev,
1030                                  "emp reset count: %d\n", pf->empr_count);
1031                         dev_info(&pf->pdev->dev,
1032                                  "pf reset count: %d\n", pf->pfr_count);
1033                         dev_info(&pf->pdev->dev,
1034                                  "pf tx sluggish count: %d\n",
1035                                  pf->tx_sluggish_count);
1036                 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1037                         struct i40e_aqc_query_port_ets_config_resp *bw_data;
1038                         struct i40e_dcbx_config *cfg =
1039                                                 &pf->hw.local_dcbx_config;
1040                         struct i40e_dcbx_config *r_cfg =
1041                                                 &pf->hw.remote_dcbx_config;
1042                         int i, ret;
1043                         u16 switch_id;
1044
1045                         bw_data = kzalloc(sizeof(
1046                                     struct i40e_aqc_query_port_ets_config_resp),
1047                                           GFP_KERNEL);
1048                         if (!bw_data) {
1049                                 ret = -ENOMEM;
1050                                 goto command_write_done;
1051                         }
1052
1053                         vsi = pf->vsi[pf->lan_vsi];
1054                         switch_id =
1055                                 le16_to_cpu(vsi->info.switch_id) &
1056                                             I40E_AQ_VSI_SW_ID_MASK;
1057
1058                         ret = i40e_aq_query_port_ets_config(&pf->hw,
1059                                                             switch_id,
1060                                                             bw_data, NULL);
1061                         if (ret) {
1062                                 dev_info(&pf->pdev->dev,
1063                                          "Query Port ETS Config AQ command failed =0x%x\n",
1064                                          pf->hw.aq.asq_last_status);
1065                                 kfree(bw_data);
1066                                 bw_data = NULL;
1067                                 goto command_write_done;
1068                         }
1069                         dev_info(&pf->pdev->dev,
1070                                  "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1071                                  bw_data->tc_valid_bits,
1072                                  bw_data->tc_strict_priority_bits,
1073                                  le16_to_cpu(bw_data->tc_bw_max[0]),
1074                                  le16_to_cpu(bw_data->tc_bw_max[1]));
1075                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1076                                 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1077                                          bw_data->tc_bw_share_credits[i],
1078                                          le16_to_cpu(bw_data->tc_bw_limits[i]));
1079                         }
1080
1081                         kfree(bw_data);
1082                         bw_data = NULL;
1083
1084                         dev_info(&pf->pdev->dev,
1085                                  "port dcbx_mode=%d\n", cfg->dcbx_mode);
1086                         dev_info(&pf->pdev->dev,
1087                                  "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1088                                  cfg->etscfg.willing, cfg->etscfg.cbs,
1089                                  cfg->etscfg.maxtcs);
1090                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1091                                 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1092                                          i, cfg->etscfg.prioritytable[i],
1093                                          cfg->etscfg.tcbwtable[i],
1094                                          cfg->etscfg.tsatable[i]);
1095                         }
1096                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1097                                 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1098                                          i, cfg->etsrec.prioritytable[i],
1099                                          cfg->etsrec.tcbwtable[i],
1100                                          cfg->etsrec.tsatable[i]);
1101                         }
1102                         dev_info(&pf->pdev->dev,
1103                                  "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1104                                  cfg->pfc.willing, cfg->pfc.mbc,
1105                                  cfg->pfc.pfccap, cfg->pfc.pfcenable);
1106                         dev_info(&pf->pdev->dev,
1107                                  "port app_table: num_apps=%d\n", cfg->numapps);
1108                         for (i = 0; i < cfg->numapps; i++) {
1109                                 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1110                                          i, cfg->app[i].priority,
1111                                          cfg->app[i].selector,
1112                                          cfg->app[i].protocolid);
1113                         }
1114                         /* Peer TLV DCBX data */
1115                         dev_info(&pf->pdev->dev,
1116                                  "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1117                                  r_cfg->etscfg.willing,
1118                                  r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1119                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1120                                 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1121                                          i, r_cfg->etscfg.prioritytable[i],
1122                                          r_cfg->etscfg.tcbwtable[i],
1123                                          r_cfg->etscfg.tsatable[i]);
1124                         }
1125                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1126                                 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1127                                          i, r_cfg->etsrec.prioritytable[i],
1128                                          r_cfg->etsrec.tcbwtable[i],
1129                                          r_cfg->etsrec.tsatable[i]);
1130                         }
1131                         dev_info(&pf->pdev->dev,
1132                                  "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1133                                  r_cfg->pfc.willing,
1134                                  r_cfg->pfc.mbc,
1135                                  r_cfg->pfc.pfccap,
1136                                  r_cfg->pfc.pfcenable);
1137                         dev_info(&pf->pdev->dev,
1138                                  "remote port app_table: num_apps=%d\n",
1139                                  r_cfg->numapps);
1140                         for (i = 0; i < r_cfg->numapps; i++) {
1141                                 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1142                                          i, r_cfg->app[i].priority,
1143                                          r_cfg->app[i].selector,
1144                                          r_cfg->app[i].protocolid);
1145                         }
1146                 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1147                         int cluster_id, table_id;
1148                         int index, ret;
1149                         u16 buff_len = 4096;
1150                         u32 next_index;
1151                         u8 next_table;
1152                         u8 *buff;
1153                         u16 rlen;
1154
1155                         cnt = sscanf(&cmd_buf[18], "%i %i %i",
1156                                      &cluster_id, &table_id, &index);
1157                         if (cnt != 3) {
1158                                 dev_info(&pf->pdev->dev,
1159                                          "dump debug fwdata <cluster_id> <table_id> <index>\n");
1160                                 goto command_write_done;
1161                         }
1162
1163                         dev_info(&pf->pdev->dev,
1164                                  "AQ debug dump fwdata params %x %x %x %x\n",
1165                                  cluster_id, table_id, index, buff_len);
1166                         buff = kzalloc(buff_len, GFP_KERNEL);
1167                         if (!buff)
1168                                 goto command_write_done;
1169
1170                         ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1171                                                  index, buff_len, buff, &rlen,
1172                                                  &next_table, &next_index,
1173                                                  NULL);
1174                         if (ret) {
1175                                 dev_info(&pf->pdev->dev,
1176                                          "debug dump fwdata AQ Failed %d 0x%x\n",
1177                                          ret, pf->hw.aq.asq_last_status);
1178                                 kfree(buff);
1179                                 buff = NULL;
1180                                 goto command_write_done;
1181                         }
1182                         dev_info(&pf->pdev->dev,
1183                                  "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1184                                  rlen, next_table, next_index);
1185                         print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1186                                        DUMP_PREFIX_OFFSET, 16, 1,
1187                                        buff, rlen, true);
1188                         kfree(buff);
1189                         buff = NULL;
1190                 } else {
1191                         dev_info(&pf->pdev->dev,
1192                                  "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");
1193                         dev_info(&pf->pdev->dev, "dump switch\n");
1194                         dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1195                         dev_info(&pf->pdev->dev, "dump reset stats\n");
1196                         dev_info(&pf->pdev->dev, "dump port\n");
1197                         dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1198                         dev_info(&pf->pdev->dev,
1199                                  "dump debug fwdata <cluster_id> <table_id> <index>\n");
1200                 }
1201         } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1202                 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1203                 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1204
1205         } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1206                 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1207                 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1208
1209         } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1210                 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1211                 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1212
1213         } else if (strncmp(cmd_buf, "read", 4) == 0) {
1214                 u32 address;
1215                 u32 value;
1216
1217                 cnt = sscanf(&cmd_buf[4], "%i", &address);
1218                 if (cnt != 1) {
1219                         dev_info(&pf->pdev->dev, "read <reg>\n");
1220                         goto command_write_done;
1221                 }
1222
1223                 /* check the range on address */
1224                 if (address > (pf->ioremap_len - sizeof(u32))) {
1225                         dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1226                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1227                         goto command_write_done;
1228                 }
1229
1230                 value = rd32(&pf->hw, address);
1231                 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1232                          address, value);
1233
1234         } else if (strncmp(cmd_buf, "write", 5) == 0) {
1235                 u32 address, value;
1236
1237                 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1238                 if (cnt != 2) {
1239                         dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1240                         goto command_write_done;
1241                 }
1242
1243                 /* check the range on address */
1244                 if (address > (pf->ioremap_len - sizeof(u32))) {
1245                         dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1246                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1247                         goto command_write_done;
1248                 }
1249                 wr32(&pf->hw, address, value);
1250                 value = rd32(&pf->hw, address);
1251                 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1252                          address, value);
1253         } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1254                 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1255                         cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1256                         if (cnt == 0) {
1257                                 int i;
1258
1259                                 for (i = 0; i < pf->num_alloc_vsi; i++)
1260                                         i40e_vsi_reset_stats(pf->vsi[i]);
1261                                 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1262                         } else if (cnt == 1) {
1263                                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1264                                 if (!vsi) {
1265                                         dev_info(&pf->pdev->dev,
1266                                                  "clear_stats vsi: bad vsi %d\n",
1267                                                  vsi_seid);
1268                                         goto command_write_done;
1269                                 }
1270                                 i40e_vsi_reset_stats(vsi);
1271                                 dev_info(&pf->pdev->dev,
1272                                          "vsi clear stats called for vsi %d\n",
1273                                          vsi_seid);
1274                         } else {
1275                                 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1276                         }
1277                 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1278                         if (pf->hw.partition_id == 1) {
1279                                 i40e_pf_reset_stats(pf);
1280                                 dev_info(&pf->pdev->dev, "port stats cleared\n");
1281                         } else {
1282                                 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1283                         }
1284                 } else {
1285                         dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1286                 }
1287         } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1288                 struct i40e_aq_desc *desc;
1289                 i40e_status ret;
1290
1291                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1292                 if (!desc)
1293                         goto command_write_done;
1294                 cnt = sscanf(&cmd_buf[11],
1295                              "%hi %hi %hi %hi %i %i %i %i %i %i",
1296                              &desc->flags,
1297                              &desc->opcode, &desc->datalen, &desc->retval,
1298                              &desc->cookie_high, &desc->cookie_low,
1299                              &desc->params.internal.param0,
1300                              &desc->params.internal.param1,
1301                              &desc->params.internal.param2,
1302                              &desc->params.internal.param3);
1303                 if (cnt != 10) {
1304                         dev_info(&pf->pdev->dev,
1305                                  "send aq_cmd: bad command string, cnt=%d\n",
1306                                  cnt);
1307                         kfree(desc);
1308                         desc = NULL;
1309                         goto command_write_done;
1310                 }
1311                 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1312                 if (!ret) {
1313                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1314                 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1315                         dev_info(&pf->pdev->dev,
1316                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1317                                  desc->opcode, pf->hw.aq.asq_last_status);
1318                 } else {
1319                         dev_info(&pf->pdev->dev,
1320                                  "AQ command send failed Opcode %x Status: %d\n",
1321                                  desc->opcode, ret);
1322                 }
1323                 dev_info(&pf->pdev->dev,
1324                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1325                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1326                          desc->cookie_high, desc->cookie_low,
1327                          desc->params.internal.param0,
1328                          desc->params.internal.param1,
1329                          desc->params.internal.param2,
1330                          desc->params.internal.param3);
1331                 kfree(desc);
1332                 desc = NULL;
1333         } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1334                 struct i40e_aq_desc *desc;
1335                 i40e_status ret;
1336                 u16 buffer_len;
1337                 u8 *buff;
1338
1339                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1340                 if (!desc)
1341                         goto command_write_done;
1342                 cnt = sscanf(&cmd_buf[20],
1343                              "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1344                              &desc->flags,
1345                              &desc->opcode, &desc->datalen, &desc->retval,
1346                              &desc->cookie_high, &desc->cookie_low,
1347                              &desc->params.internal.param0,
1348                              &desc->params.internal.param1,
1349                              &desc->params.internal.param2,
1350                              &desc->params.internal.param3,
1351                              &buffer_len);
1352                 if (cnt != 11) {
1353                         dev_info(&pf->pdev->dev,
1354                                  "send indirect aq_cmd: bad command string, cnt=%d\n",
1355                                  cnt);
1356                         kfree(desc);
1357                         desc = NULL;
1358                         goto command_write_done;
1359                 }
1360                 /* Just stub a buffer big enough in case user messed up */
1361                 if (buffer_len == 0)
1362                         buffer_len = 1280;
1363
1364                 buff = kzalloc(buffer_len, GFP_KERNEL);
1365                 if (!buff) {
1366                         kfree(desc);
1367                         desc = NULL;
1368                         goto command_write_done;
1369                 }
1370                 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1371                 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1372                                             buffer_len, NULL);
1373                 if (!ret) {
1374                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1375                 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1376                         dev_info(&pf->pdev->dev,
1377                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1378                                  desc->opcode, pf->hw.aq.asq_last_status);
1379                 } else {
1380                         dev_info(&pf->pdev->dev,
1381                                  "AQ command send failed Opcode %x Status: %d\n",
1382                                  desc->opcode, ret);
1383                 }
1384                 dev_info(&pf->pdev->dev,
1385                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1386                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1387                          desc->cookie_high, desc->cookie_low,
1388                          desc->params.internal.param0,
1389                          desc->params.internal.param1,
1390                          desc->params.internal.param2,
1391                          desc->params.internal.param3);
1392                 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1393                                DUMP_PREFIX_OFFSET, 16, 1,
1394                                buff, buffer_len, true);
1395                 kfree(buff);
1396                 buff = NULL;
1397                 kfree(desc);
1398                 desc = NULL;
1399         } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1400                 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1401                          i40e_get_current_fd_count(pf));
1402         } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1403                 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1404                         int ret;
1405
1406                         ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
1407                         if (ret) {
1408                                 dev_info(&pf->pdev->dev,
1409                                          "Stop LLDP AQ command failed =0x%x\n",
1410                                          pf->hw.aq.asq_last_status);
1411                                 goto command_write_done;
1412                         }
1413                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1414                                                 pf->hw.mac.addr,
1415                                                 ETH_P_LLDP, 0,
1416                                                 pf->vsi[pf->lan_vsi]->seid,
1417                                                 0, true, NULL, NULL);
1418                         if (ret) {
1419                                 dev_info(&pf->pdev->dev,
1420                                         "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1421                                         __func__, pf->hw.aq.asq_last_status);
1422                                 goto command_write_done;
1423                         }
1424 #ifdef CONFIG_I40E_DCB
1425                         pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1426                                        DCB_CAP_DCBX_VER_IEEE;
1427 #endif /* CONFIG_I40E_DCB */
1428                 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1429                         int ret;
1430
1431                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1432                                                 pf->hw.mac.addr,
1433                                                 ETH_P_LLDP, 0,
1434                                                 pf->vsi[pf->lan_vsi]->seid,
1435                                                 0, false, NULL, NULL);
1436                         if (ret) {
1437                                 dev_info(&pf->pdev->dev,
1438                                         "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1439                                         __func__, pf->hw.aq.asq_last_status);
1440                                 /* Continue and start FW LLDP anyways */
1441                         }
1442
1443                         ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
1444                         if (ret) {
1445                                 dev_info(&pf->pdev->dev,
1446                                          "Start LLDP AQ command failed =0x%x\n",
1447                                          pf->hw.aq.asq_last_status);
1448                                 goto command_write_done;
1449                         }
1450 #ifdef CONFIG_I40E_DCB
1451                         pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1452                                        DCB_CAP_DCBX_VER_IEEE;
1453 #endif /* CONFIG_I40E_DCB */
1454                 } else if (strncmp(&cmd_buf[5],
1455                            "get local", 9) == 0) {
1456                         u16 llen, rlen;
1457                         int ret;
1458                         u8 *buff;
1459
1460                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1461                         if (!buff)
1462                                 goto command_write_done;
1463
1464                         ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1465                                                    I40E_AQ_LLDP_MIB_LOCAL,
1466                                                    buff, I40E_LLDPDU_SIZE,
1467                                                    &llen, &rlen, NULL);
1468                         if (ret) {
1469                                 dev_info(&pf->pdev->dev,
1470                                          "Get LLDP MIB (local) AQ command failed =0x%x\n",
1471                                          pf->hw.aq.asq_last_status);
1472                                 kfree(buff);
1473                                 buff = NULL;
1474                                 goto command_write_done;
1475                         }
1476                         dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1477                         print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1478                                        DUMP_PREFIX_OFFSET, 16, 1,
1479                                        buff, I40E_LLDPDU_SIZE, true);
1480                         kfree(buff);
1481                         buff = NULL;
1482                 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1483                         u16 llen, rlen;
1484                         int ret;
1485                         u8 *buff;
1486
1487                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1488                         if (!buff)
1489                                 goto command_write_done;
1490
1491                         ret = i40e_aq_get_lldp_mib(&pf->hw,
1492                                         I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1493                                         I40E_AQ_LLDP_MIB_REMOTE,
1494                                         buff, I40E_LLDPDU_SIZE,
1495                                         &llen, &rlen, NULL);
1496                         if (ret) {
1497                                 dev_info(&pf->pdev->dev,
1498                                          "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1499                                          pf->hw.aq.asq_last_status);
1500                                 kfree(buff);
1501                                 buff = NULL;
1502                                 goto command_write_done;
1503                         }
1504                         dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1505                         print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1506                                        DUMP_PREFIX_OFFSET, 16, 1,
1507                                        buff, I40E_LLDPDU_SIZE, true);
1508                         kfree(buff);
1509                         buff = NULL;
1510                 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1511                         int ret;
1512
1513                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1514                                                                 true, NULL);
1515                         if (ret) {
1516                                 dev_info(&pf->pdev->dev,
1517                                          "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1518                                          pf->hw.aq.asq_last_status);
1519                                 goto command_write_done;
1520                         }
1521                 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1522                         int ret;
1523
1524                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1525                                                                 false, NULL);
1526                         if (ret) {
1527                                 dev_info(&pf->pdev->dev,
1528                                          "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1529                                          pf->hw.aq.asq_last_status);
1530                                 goto command_write_done;
1531                         }
1532                 }
1533         } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1534                 u16 buffer_len, bytes;
1535                 u16 module;
1536                 u32 offset;
1537                 u16 *buff;
1538                 int ret;
1539
1540                 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1541                              &module, &offset, &buffer_len);
1542                 if (cnt == 0) {
1543                         module = 0;
1544                         offset = 0;
1545                         buffer_len = 0;
1546                 } else if (cnt == 1) {
1547                         offset = 0;
1548                         buffer_len = 0;
1549                 } else if (cnt == 2) {
1550                         buffer_len = 0;
1551                 } else if (cnt > 3) {
1552                         dev_info(&pf->pdev->dev,
1553                                  "nvm read: bad command string, cnt=%d\n", cnt);
1554                         goto command_write_done;
1555                 }
1556
1557                 /* set the max length */
1558                 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1559
1560                 bytes = 2 * buffer_len;
1561
1562                 /* read at least 1k bytes, no more than 4kB */
1563                 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1564                 buff = kzalloc(bytes, GFP_KERNEL);
1565                 if (!buff)
1566                         goto command_write_done;
1567
1568                 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1569                 if (ret) {
1570                         dev_info(&pf->pdev->dev,
1571                                  "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1572                                  ret, pf->hw.aq.asq_last_status);
1573                         kfree(buff);
1574                         goto command_write_done;
1575                 }
1576
1577                 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1578                                        bytes, (u8 *)buff, true, NULL);
1579                 i40e_release_nvm(&pf->hw);
1580                 if (ret) {
1581                         dev_info(&pf->pdev->dev,
1582                                  "Read NVM AQ failed err=%d status=0x%x\n",
1583                                  ret, pf->hw.aq.asq_last_status);
1584                 } else {
1585                         dev_info(&pf->pdev->dev,
1586                                  "Read NVM module=0x%x offset=0x%x words=%d\n",
1587                                  module, offset, buffer_len);
1588                         if (bytes)
1589                                 print_hex_dump(KERN_INFO, "NVM Dump: ",
1590                                         DUMP_PREFIX_OFFSET, 16, 2,
1591                                         buff, bytes, true);
1592                 }
1593                 kfree(buff);
1594                 buff = NULL;
1595         } else {
1596                 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1597                 dev_info(&pf->pdev->dev, "available commands\n");
1598                 dev_info(&pf->pdev->dev, "  add vsi [relay_seid]\n");
1599                 dev_info(&pf->pdev->dev, "  del vsi [vsi_seid]\n");
1600                 dev_info(&pf->pdev->dev, "  add relay <uplink_seid> <vsi_seid>\n");
1601                 dev_info(&pf->pdev->dev, "  del relay <relay_seid>\n");
1602                 dev_info(&pf->pdev->dev, "  add pvid <vsi_seid> <vid>\n");
1603                 dev_info(&pf->pdev->dev, "  del pvid <vsi_seid>\n");
1604                 dev_info(&pf->pdev->dev, "  dump switch\n");
1605                 dev_info(&pf->pdev->dev, "  dump vsi [seid]\n");
1606                 dev_info(&pf->pdev->dev, "  dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1607                 dev_info(&pf->pdev->dev, "  dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1608                 dev_info(&pf->pdev->dev, "  dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1609                 dev_info(&pf->pdev->dev, "  dump desc aq\n");
1610                 dev_info(&pf->pdev->dev, "  dump reset stats\n");
1611                 dev_info(&pf->pdev->dev, "  dump debug fwdata <cluster_id> <table_id> <index>\n");
1612                 dev_info(&pf->pdev->dev, "  read <reg>\n");
1613                 dev_info(&pf->pdev->dev, "  write <reg> <value>\n");
1614                 dev_info(&pf->pdev->dev, "  clear_stats vsi [seid]\n");
1615                 dev_info(&pf->pdev->dev, "  clear_stats port\n");
1616                 dev_info(&pf->pdev->dev, "  pfr\n");
1617                 dev_info(&pf->pdev->dev, "  corer\n");
1618                 dev_info(&pf->pdev->dev, "  globr\n");
1619                 dev_info(&pf->pdev->dev, "  send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1620                 dev_info(&pf->pdev->dev, "  send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1621                 dev_info(&pf->pdev->dev, "  fd current cnt");
1622                 dev_info(&pf->pdev->dev, "  lldp start\n");
1623                 dev_info(&pf->pdev->dev, "  lldp stop\n");
1624                 dev_info(&pf->pdev->dev, "  lldp get local\n");
1625                 dev_info(&pf->pdev->dev, "  lldp get remote\n");
1626                 dev_info(&pf->pdev->dev, "  lldp event on\n");
1627                 dev_info(&pf->pdev->dev, "  lldp event off\n");
1628                 dev_info(&pf->pdev->dev, "  nvm read [module] [word_offset] [word_count]\n");
1629         }
1630
1631 command_write_done:
1632         kfree(cmd_buf);
1633         cmd_buf = NULL;
1634         return count;
1635 }
1636
1637 static const struct file_operations i40e_dbg_command_fops = {
1638         .owner = THIS_MODULE,
1639         .open =  simple_open,
1640         .read =  i40e_dbg_command_read,
1641         .write = i40e_dbg_command_write,
1642 };
1643
1644 /**************************************************************
1645  * netdev_ops
1646  * The netdev_ops entry in debugfs is for giving the driver commands
1647  * to be executed from the netdev operations.
1648  **************************************************************/
1649 static char i40e_dbg_netdev_ops_buf[256] = "";
1650
1651 /**
1652  * i40e_dbg_netdev_ops_read - read for netdev_ops datum
1653  * @filp: the opened file
1654  * @buffer: where to write the data for the user to read
1655  * @count: the size of the user's buffer
1656  * @ppos: file position offset
1657  **/
1658 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1659                                         size_t count, loff_t *ppos)
1660 {
1661         struct i40e_pf *pf = filp->private_data;
1662         int bytes_not_copied;
1663         int buf_size = 256;
1664         char *buf;
1665         int len;
1666
1667         /* don't allow partal reads */
1668         if (*ppos != 0)
1669                 return 0;
1670         if (count < buf_size)
1671                 return -ENOSPC;
1672
1673         buf = kzalloc(buf_size, GFP_KERNEL);
1674         if (!buf)
1675                 return -ENOSPC;
1676
1677         len = snprintf(buf, buf_size, "%s: %s\n",
1678                        pf->vsi[pf->lan_vsi]->netdev->name,
1679                        i40e_dbg_netdev_ops_buf);
1680
1681         bytes_not_copied = copy_to_user(buffer, buf, len);
1682         kfree(buf);
1683
1684         if (bytes_not_copied)
1685                 return -EFAULT;
1686
1687         *ppos = len;
1688         return len;
1689 }
1690
1691 /**
1692  * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1693  * @filp: the opened file
1694  * @buffer: where to find the user's data
1695  * @count: the length of the user's data
1696  * @ppos: file position offset
1697  **/
1698 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1699                                          const char __user *buffer,
1700                                          size_t count, loff_t *ppos)
1701 {
1702         struct i40e_pf *pf = filp->private_data;
1703         int bytes_not_copied;
1704         struct i40e_vsi *vsi;
1705         char *buf_tmp;
1706         int vsi_seid;
1707         int i, cnt;
1708
1709         /* don't allow partial writes */
1710         if (*ppos != 0)
1711                 return 0;
1712         if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1713                 return -ENOSPC;
1714
1715         memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1716         bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1717                                           buffer, count);
1718         if (bytes_not_copied)
1719                 return -EFAULT;
1720         i40e_dbg_netdev_ops_buf[count] = '\0';
1721
1722         buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1723         if (buf_tmp) {
1724                 *buf_tmp = '\0';
1725                 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1726         }
1727
1728         if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1729                 int mtu;
1730
1731                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1732                              &vsi_seid, &mtu);
1733                 if (cnt != 2) {
1734                         dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1735                         goto netdev_ops_write_done;
1736                 }
1737                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1738                 if (!vsi) {
1739                         dev_info(&pf->pdev->dev,
1740                                  "change_mtu: VSI %d not found\n", vsi_seid);
1741                 } else if (!vsi->netdev) {
1742                         dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1743                                  vsi_seid);
1744                 } else if (rtnl_trylock()) {
1745                         vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1746                                                                 mtu);
1747                         rtnl_unlock();
1748                         dev_info(&pf->pdev->dev, "change_mtu called\n");
1749                 } else {
1750                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1751                 }
1752
1753         } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1754                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1755                 if (cnt != 1) {
1756                         dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1757                         goto netdev_ops_write_done;
1758                 }
1759                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1760                 if (!vsi) {
1761                         dev_info(&pf->pdev->dev,
1762                                  "set_rx_mode: VSI %d not found\n", vsi_seid);
1763                 } else if (!vsi->netdev) {
1764                         dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1765                                  vsi_seid);
1766                 } else if (rtnl_trylock()) {
1767                         vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1768                         rtnl_unlock();
1769                         dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1770                 } else {
1771                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1772                 }
1773
1774         } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1775                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1776                 if (cnt != 1) {
1777                         dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1778                         goto netdev_ops_write_done;
1779                 }
1780                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1781                 if (!vsi) {
1782                         dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1783                                  vsi_seid);
1784                 } else if (!vsi->netdev) {
1785                         dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1786                                  vsi_seid);
1787                 } else {
1788                         for (i = 0; i < vsi->num_q_vectors; i++)
1789                                 napi_schedule(&vsi->q_vectors[i]->napi);
1790                         dev_info(&pf->pdev->dev, "napi called\n");
1791                 }
1792         } else {
1793                 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1794                          i40e_dbg_netdev_ops_buf);
1795                 dev_info(&pf->pdev->dev, "available commands\n");
1796                 dev_info(&pf->pdev->dev, "  change_mtu <vsi_seid> <mtu>\n");
1797                 dev_info(&pf->pdev->dev, "  set_rx_mode <vsi_seid>\n");
1798                 dev_info(&pf->pdev->dev, "  napi <vsi_seid>\n");
1799         }
1800 netdev_ops_write_done:
1801         return count;
1802 }
1803
1804 static const struct file_operations i40e_dbg_netdev_ops_fops = {
1805         .owner = THIS_MODULE,
1806         .open = simple_open,
1807         .read = i40e_dbg_netdev_ops_read,
1808         .write = i40e_dbg_netdev_ops_write,
1809 };
1810
1811 /**
1812  * i40e_dbg_pf_init - setup the debugfs directory for the PF
1813  * @pf: the PF that is starting up
1814  **/
1815 void i40e_dbg_pf_init(struct i40e_pf *pf)
1816 {
1817         const char *name = pci_name(pf->pdev);
1818
1819         pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1820
1821         debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1822                             &i40e_dbg_command_fops);
1823
1824         debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1825                             &i40e_dbg_netdev_ops_fops);
1826 }
1827
1828 /**
1829  * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1830  * @pf: the PF that is stopping
1831  **/
1832 void i40e_dbg_pf_exit(struct i40e_pf *pf)
1833 {
1834         debugfs_remove_recursive(pf->i40e_dbg_pf);
1835         pf->i40e_dbg_pf = NULL;
1836 }
1837
1838 /**
1839  * i40e_dbg_init - start up debugfs for the driver
1840  **/
1841 void i40e_dbg_init(void)
1842 {
1843         i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1844         if (!i40e_dbg_root)
1845                 pr_info("init of debugfs failed\n");
1846 }
1847
1848 /**
1849  * i40e_dbg_exit - clean out the driver's debugfs entries
1850  **/
1851 void i40e_dbg_exit(void)
1852 {
1853         debugfs_remove_recursive(i40e_dbg_root);
1854         i40e_dbg_root = NULL;
1855 }
1856
1857 #endif /* CONFIG_DEBUG_FS */