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 #include <linux/if_bridge.h>
   9 #include "i40e.h"
  10 #include "i40e_virtchnl_pf.h"
  11
  12 static struct dentry *i40e_dbg_root;
  13
  14 enum ring_type {
  15         RING_TYPE_RX,
  16         RING_TYPE_TX,
  17         RING_TYPE_XDP
  18 };
  19
  20 /**
  21  * i40e_dbg_find_vsi - searches for the vsi with the given seid
  22  * @pf: the PF structure to search for the vsi
  23  * @seid: seid of the vsi it is searching for
  24  **/
  25 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
  26 {
  27         if (seid < 0) {
  28                 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
  29
  30                 return NULL;
  31         }
  32
  33         return i40e_pf_get_vsi_by_seid(pf, seid);
  34 }
  35
  36 /**************************************************************
  37  * command
  38  * The command entry in debugfs is for giving the driver commands
  39  * to be executed - these may be for changing the internal switch
  40  * setup, adding or removing filters, or other things.  Many of
  41  * these will be useful for some forms of unit testing.
  42  **************************************************************/
  43 static char i40e_dbg_command_buf[256] = "";
  44
  45 /**
  46  * i40e_dbg_command_read - read for command datum
  47  * @filp: the opened file
  48  * @buffer: where to write the data for the user to read
  49  * @count: the size of the user's buffer
  50  * @ppos: file position offset
  51  **/
  52 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
  53                                      size_t count, loff_t *ppos)
  54 {
  55         struct i40e_pf *pf = filp->private_data;
  56         struct i40e_vsi *main_vsi;
  57         int bytes_not_copied;
  58         int buf_size = 256;
  59         char *buf;
  60         int len;
  61
  62         /* don't allow partial reads */
  63         if (*ppos != 0)
  64                 return 0;
  65         if (count < buf_size)
  66                 return -ENOSPC;
  67
  68         buf = kzalloc(buf_size, GFP_KERNEL);
  69         if (!buf)
  70                 return -ENOSPC;
  71
  72         main_vsi = i40e_pf_get_main_vsi(pf);
  73         len = snprintf(buf, buf_size, "%s: %s\n", main_vsi->netdev->name,
  74                        i40e_dbg_command_buf);
  75
  76         bytes_not_copied = copy_to_user(buffer, buf, len);
  77         kfree(buf);
  78
  79         if (bytes_not_copied)
  80                 return -EFAULT;
  81
  82         *ppos = len;
  83         return len;
  84 }
  85
  86 static char *i40e_filter_state_string[] = {
  87         "INVALID",
  88         "NEW",
  89         "ACTIVE",
  90         "FAILED",
  91         "REMOVE",
  92         "NEW_SYNC",
  93 };
  94
  95 /**
  96  * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
  97  * @pf: the i40e_pf created in command write
  98  * @seid: the seid the user put in
  99  **/
 100 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
 101 {
 102         struct rtnl_link_stats64 *nstat;
 103         struct i40e_mac_filter *f;
 104         struct i40e_vsi *vsi;
 105         int i, bkt;
 106
 107         vsi = i40e_dbg_find_vsi(pf, seid);
 108         if (!vsi) {
 109                 dev_info(&pf->pdev->dev,
 110                          "dump %d: seid not found\n", seid);
 111                 return;
 112         }
 113         dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
 114         if (vsi->netdev) {
 115                 struct net_device *nd = vsi->netdev;
 116
 117                 dev_info(&pf->pdev->dev, "    netdev: name = %s, state = %lu, flags = 0x%08x\n",
 118                          nd->name, nd->state, nd->flags);
 119                 dev_info(&pf->pdev->dev, "        features      = 0x%08lx\n",
 120                          (unsigned long int)nd->features);
 121                 dev_info(&pf->pdev->dev, "        hw_features   = 0x%08lx\n",
 122                          (unsigned long int)nd->hw_features);
 123                 dev_info(&pf->pdev->dev, "        vlan_features = 0x%08lx\n",
 124                          (unsigned long int)nd->vlan_features);
 125         }
 126         dev_info(&pf->pdev->dev,
 127                  "    flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
 128                  vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags);
 129         for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++)
 130                 dev_info(&pf->pdev->dev,
 131                          "    state[%d] = %08lx\n",
 132                          i, vsi->state[i]);
 133         if (vsi->type == I40E_VSI_MAIN)
 134                 dev_info(&pf->pdev->dev, "    MAC address: %pM Port MAC: %pM\n",
 135                          pf->hw.mac.addr,
 136                          pf->hw.mac.port_addr);
 137         hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
 138                 dev_info(&pf->pdev->dev,
 139                          "    mac_filter_hash: %pM vid=%d, state %s\n",
 140                          f->macaddr, f->vlan,
 141                          i40e_filter_state_string[f->state]);
 142         }
 143         dev_info(&pf->pdev->dev, "    active_filters %u, promisc_threshold %u, overflow promisc %s\n",
 144                  vsi->active_filters, vsi->promisc_threshold,
 145                  (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ?
 146                   "ON" : "OFF"));
 147         nstat = i40e_get_vsi_stats_struct(vsi);
 148         dev_info(&pf->pdev->dev,
 149                  "    net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
 150                  (unsigned long int)nstat->rx_packets,
 151                  (unsigned long int)nstat->rx_bytes,
 152                  (unsigned long int)nstat->rx_errors,
 153                  (unsigned long int)nstat->rx_dropped);
 154         dev_info(&pf->pdev->dev,
 155                  "    net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
 156                  (unsigned long int)nstat->tx_packets,
 157                  (unsigned long int)nstat->tx_bytes,
 158                  (unsigned long int)nstat->tx_errors,
 159                  (unsigned long int)nstat->tx_dropped);
 160         dev_info(&pf->pdev->dev,
 161                  "    net_stats: multicast = %lu, collisions = %lu\n",
 162                  (unsigned long int)nstat->multicast,
 163                  (unsigned long int)nstat->collisions);
 164         dev_info(&pf->pdev->dev,
 165                  "    net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
 166                  (unsigned long int)nstat->rx_length_errors,
 167                  (unsigned long int)nstat->rx_over_errors,
 168                  (unsigned long int)nstat->rx_crc_errors);
 169         dev_info(&pf->pdev->dev,
 170                  "    net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
 171                  (unsigned long int)nstat->rx_frame_errors,
 172                  (unsigned long int)nstat->rx_fifo_errors,
 173                  (unsigned long int)nstat->rx_missed_errors);
 174         dev_info(&pf->pdev->dev,
 175                  "    net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
 176                  (unsigned long int)nstat->tx_aborted_errors,
 177                  (unsigned long int)nstat->tx_carrier_errors,
 178                  (unsigned long int)nstat->tx_fifo_errors);
 179         dev_info(&pf->pdev->dev,
 180                  "    net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
 181                  (unsigned long int)nstat->tx_heartbeat_errors,
 182                  (unsigned long int)nstat->tx_window_errors);
 183         dev_info(&pf->pdev->dev,
 184                  "    net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
 185                  (unsigned long int)nstat->rx_compressed,
 186                  (unsigned long int)nstat->tx_compressed);
 187         dev_info(&pf->pdev->dev,
 188                  "    net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
 189                  (unsigned long int)vsi->net_stats_offsets.rx_packets,
 190                  (unsigned long int)vsi->net_stats_offsets.rx_bytes,
 191                  (unsigned long int)vsi->net_stats_offsets.rx_errors,
 192                  (unsigned long int)vsi->net_stats_offsets.rx_dropped);
 193         dev_info(&pf->pdev->dev,
 194                  "    net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
 195                  (unsigned long int)vsi->net_stats_offsets.tx_packets,
 196                  (unsigned long int)vsi->net_stats_offsets.tx_bytes,
 197                  (unsigned long int)vsi->net_stats_offsets.tx_errors,
 198                  (unsigned long int)vsi->net_stats_offsets.tx_dropped);
 199         dev_info(&pf->pdev->dev,
 200                  "    net_stats_offsets: multicast = %lu, collisions = %lu\n",
 201                  (unsigned long int)vsi->net_stats_offsets.multicast,
 202                  (unsigned long int)vsi->net_stats_offsets.collisions);
 203         dev_info(&pf->pdev->dev,
 204                  "    net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
 205                  (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
 206                  (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
 207                  (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
 208         dev_info(&pf->pdev->dev,
 209                  "    net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
 210                  (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
 211                  (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
 212                  (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
 213         dev_info(&pf->pdev->dev,
 214                  "    net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
 215                  (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
 216                  (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
 217                  (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
 218         dev_info(&pf->pdev->dev,
 219                  "    net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
 220                  (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
 221                  (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
 222         dev_info(&pf->pdev->dev,
 223                  "    net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
 224                  (unsigned long int)vsi->net_stats_offsets.rx_compressed,
 225                  (unsigned long int)vsi->net_stats_offsets.tx_compressed);
 226         dev_info(&pf->pdev->dev,
 227                  "    tx_restart = %llu, tx_busy = %llu, rx_buf_failed = %llu, rx_page_failed = %llu\n",
 228                  vsi->tx_restart, vsi->tx_busy,
 229                  vsi->rx_buf_failed, vsi->rx_page_failed);
 230         rcu_read_lock();
 231         for (i = 0; i < vsi->num_queue_pairs; i++) {
 232                 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]);
 233
 234                 if (!rx_ring)
 235                         continue;
 236
 237                 dev_info(&pf->pdev->dev,
 238                          "    rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
 239                          i, *rx_ring->state,
 240                          rx_ring->queue_index,
 241                          rx_ring->reg_idx);
 242                 dev_info(&pf->pdev->dev,
 243                          "    rx_rings[%i]: rx_buf_len = %d\n",
 244                          i, rx_ring->rx_buf_len);
 245                 dev_info(&pf->pdev->dev,
 246                          "    rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 247                          i,
 248                          rx_ring->next_to_use,
 249                          rx_ring->next_to_clean,
 250                          rx_ring->ring_active);
 251                 dev_info(&pf->pdev->dev,
 252                          "    rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
 253                          i, rx_ring->stats.packets,
 254                          rx_ring->stats.bytes,
 255                          rx_ring->rx_stats.non_eop_descs);
 256                 dev_info(&pf->pdev->dev,
 257                          "    rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
 258                          i,
 259                          rx_ring->rx_stats.alloc_page_failed,
 260                          rx_ring->rx_stats.alloc_buff_failed);
 261                 dev_info(&pf->pdev->dev,
 262                          "    rx_rings[%i]: rx_stats: realloc_count = 0, page_reuse_count = %lld\n",
 263                          i,
 264                          rx_ring->rx_stats.page_reuse_count);
 265                 dev_info(&pf->pdev->dev,
 266                          "    rx_rings[%i]: size = %i\n",
 267                          i, rx_ring->size);
 268                 dev_info(&pf->pdev->dev,
 269                          "    rx_rings[%i]: itr_setting = %d (%s)\n",
 270                          i, rx_ring->itr_setting,
 271                          ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed");
 272         }
 273         for (i = 0; i < vsi->num_queue_pairs; i++) {
 274                 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]);
 275
 276                 if (!tx_ring)
 277                         continue;
 278
 279                 dev_info(&pf->pdev->dev,
 280                          "    tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
 281                          i, *tx_ring->state,
 282                          tx_ring->queue_index,
 283                          tx_ring->reg_idx);
 284                 dev_info(&pf->pdev->dev,
 285                          "    tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 286                          i,
 287                          tx_ring->next_to_use,
 288                          tx_ring->next_to_clean,
 289                          tx_ring->ring_active);
 290                 dev_info(&pf->pdev->dev,
 291                          "    tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
 292                          i, tx_ring->stats.packets,
 293                          tx_ring->stats.bytes,
 294                          tx_ring->tx_stats.restart_queue);
 295                 dev_info(&pf->pdev->dev,
 296                          "    tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld, tx_stopped = %lld\n",
 297                          i,
 298                          tx_ring->tx_stats.tx_busy,
 299                          tx_ring->tx_stats.tx_done_old,
 300                          tx_ring->tx_stats.tx_stopped);
 301                 dev_info(&pf->pdev->dev,
 302                          "    tx_rings[%i]: size = %i\n",
 303                          i, tx_ring->size);
 304                 dev_info(&pf->pdev->dev,
 305                          "    tx_rings[%i]: DCB tc = %d\n",
 306                          i, tx_ring->dcb_tc);
 307                 dev_info(&pf->pdev->dev,
 308                          "    tx_rings[%i]: itr_setting = %d (%s)\n",
 309                          i, tx_ring->itr_setting,
 310                          ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed");
 311         }
 312         if (i40e_enabled_xdp_vsi(vsi)) {
 313                 for (i = 0; i < vsi->num_queue_pairs; i++) {
 314                         struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]);
 315
 316                         if (!xdp_ring)
 317                                 continue;
 318
 319                         dev_info(&pf->pdev->dev,
 320                                  "    xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
 321                                  i, *xdp_ring->state,
 322                                  xdp_ring->queue_index,
 323                                  xdp_ring->reg_idx);
 324                         dev_info(&pf->pdev->dev,
 325                                  "    xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 326                                  i,
 327                                  xdp_ring->next_to_use,
 328                                  xdp_ring->next_to_clean,
 329                                  xdp_ring->ring_active);
 330                         dev_info(&pf->pdev->dev,
 331                                  "    xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
 332                                  i, xdp_ring->stats.packets,
 333                                  xdp_ring->stats.bytes,
 334                                  xdp_ring->tx_stats.restart_queue);
 335                         dev_info(&pf->pdev->dev,
 336                                  "    xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
 337                                  i,
 338                                  xdp_ring->tx_stats.tx_busy,
 339                                  xdp_ring->tx_stats.tx_done_old);
 340                         dev_info(&pf->pdev->dev,
 341                                  "    xdp_rings[%i]: size = %i\n",
 342                                  i, xdp_ring->size);
 343                         dev_info(&pf->pdev->dev,
 344                                  "    xdp_rings[%i]: DCB tc = %d\n",
 345                                  i, xdp_ring->dcb_tc);
 346                         dev_info(&pf->pdev->dev,
 347                                  "    xdp_rings[%i]: itr_setting = %d (%s)\n",
 348                                  i, xdp_ring->itr_setting,
 349                                  ITR_IS_DYNAMIC(xdp_ring->itr_setting) ?
 350                                  "dynamic" : "fixed");
 351                 }
 352         }
 353         rcu_read_unlock();
 354         dev_info(&pf->pdev->dev,
 355                  "    work_limit = %d\n",
 356                  vsi->work_limit);
 357         dev_info(&pf->pdev->dev,
 358                  "    max_frame = %d, rx_buf_len = %d dtype = %d\n",
 359                  vsi->max_frame, vsi->rx_buf_len, 0);
 360         dev_info(&pf->pdev->dev,
 361                  "    num_q_vectors = %i, base_vector = %i\n",
 362                  vsi->num_q_vectors, vsi->base_vector);
 363         dev_info(&pf->pdev->dev,
 364                  "    seid = %d, id = %d, uplink_seid = %d\n",
 365                  vsi->seid, vsi->id, vsi->uplink_seid);
 366         dev_info(&pf->pdev->dev,
 367                  "    base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n",
 368                  vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc,
 369                  vsi->num_rx_desc);
 370         dev_info(&pf->pdev->dev, "    type = %i\n", vsi->type);
 371         if (vsi->type == I40E_VSI_SRIOV)
 372                 dev_info(&pf->pdev->dev, "    VF ID = %i\n", vsi->vf_id);
 373         dev_info(&pf->pdev->dev,
 374                  "    info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
 375                  vsi->info.valid_sections, vsi->info.switch_id);
 376         dev_info(&pf->pdev->dev,
 377                  "    info: sw_reserved[] = 0x%02x 0x%02x\n",
 378                  vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
 379         dev_info(&pf->pdev->dev,
 380                  "    info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
 381                  vsi->info.sec_flags, vsi->info.sec_reserved);
 382         dev_info(&pf->pdev->dev,
 383                  "    info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
 384                  vsi->info.pvid, vsi->info.fcoe_pvid,
 385                  vsi->info.port_vlan_flags);
 386         dev_info(&pf->pdev->dev,
 387                  "    info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
 388                  vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
 389                  vsi->info.pvlan_reserved[2]);
 390         dev_info(&pf->pdev->dev,
 391                  "    info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
 392                  vsi->info.ingress_table, vsi->info.egress_table);
 393         dev_info(&pf->pdev->dev,
 394                  "    info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
 395                  vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
 396                  vsi->info.cas_pv_reserved);
 397         dev_info(&pf->pdev->dev,
 398                  "    info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 399                  vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
 400                  vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
 401                  vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
 402                  vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
 403         dev_info(&pf->pdev->dev,
 404                  "    info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 405                  vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
 406                  vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
 407                  vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
 408                  vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
 409         dev_info(&pf->pdev->dev,
 410                  "    info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 411                  vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
 412                  vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
 413                  vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
 414                  vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
 415         dev_info(&pf->pdev->dev,
 416                  "    info: queueing_opt_flags = 0x%02x  queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
 417                  vsi->info.queueing_opt_flags,
 418                  vsi->info.queueing_opt_reserved[0],
 419                  vsi->info.queueing_opt_reserved[1],
 420                  vsi->info.queueing_opt_reserved[2]);
 421         dev_info(&pf->pdev->dev,
 422                  "    info: up_enable_bits = 0x%02x\n",
 423                  vsi->info.up_enable_bits);
 424         dev_info(&pf->pdev->dev,
 425                  "    info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
 426                  vsi->info.sched_reserved, vsi->info.outer_up_table);
 427         dev_info(&pf->pdev->dev,
 428                  "    info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
 429                  vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
 430                  vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
 431                  vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
 432                  vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
 433         dev_info(&pf->pdev->dev,
 434                  "    info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 435                  vsi->info.qs_handle[0], vsi->info.qs_handle[1],
 436                  vsi->info.qs_handle[2], vsi->info.qs_handle[3],
 437                  vsi->info.qs_handle[4], vsi->info.qs_handle[5],
 438                  vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
 439         dev_info(&pf->pdev->dev,
 440                  "    info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
 441                  vsi->info.stat_counter_idx, vsi->info.sched_id);
 442         dev_info(&pf->pdev->dev,
 443                  "    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",
 444                  vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
 445                  vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
 446                  vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
 447                  vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
 448                  vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
 449                  vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
 450         dev_info(&pf->pdev->dev, "    idx = %d\n", vsi->idx);
 451         dev_info(&pf->pdev->dev,
 452                  "    tc_config: numtc = %d, enabled_tc = 0x%x\n",
 453                  vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
 454         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 455                 dev_info(&pf->pdev->dev,
 456                          "    tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
 457                          i, vsi->tc_config.tc_info[i].qoffset,
 458                          vsi->tc_config.tc_info[i].qcount,
 459                          vsi->tc_config.tc_info[i].netdev_tc);
 460         }
 461         dev_info(&pf->pdev->dev,
 462                  "    bw: bw_limit = %d, bw_max_quanta = %d\n",
 463                  vsi->bw_limit, vsi->bw_max_quanta);
 464         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 465                 dev_info(&pf->pdev->dev,
 466                          "    bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
 467                          i, vsi->bw_ets_share_credits[i],
 468                          vsi->bw_ets_limit_credits[i],
 469                          vsi->bw_ets_max_quanta[i]);
 470         }
 471 }
 472
 473 /**
 474  * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
 475  * @pf: the i40e_pf created in command write
 476  **/
 477 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
 478 {
 479         struct i40e_adminq_ring *ring;
 480         struct i40e_hw *hw = &pf->hw;
 481         char hdr[32];
 482         int i;
 483
 484         snprintf(hdr, sizeof(hdr), "%s %s:         ",
 485                  dev_driver_string(&pf->pdev->dev),
 486                  dev_name(&pf->pdev->dev));
 487
 488         /* first the send (command) ring, then the receive (event) ring */
 489         dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
 490         ring = &(hw->aq.asq);
 491         for (i = 0; i < ring->count; i++) {
 492                 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 493
 494                 dev_info(&pf->pdev->dev,
 495                          "   at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 496                          i, d->flags, d->opcode, d->datalen, d->retval,
 497                          d->cookie_high, d->cookie_low);
 498                 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 499                                16, 1, d->params.raw, 16, 0);
 500         }
 501
 502         dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
 503         ring = &(hw->aq.arq);
 504         for (i = 0; i < ring->count; i++) {
 505                 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 506
 507                 dev_info(&pf->pdev->dev,
 508                          "   ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 509                          i, d->flags, d->opcode, d->datalen, d->retval,
 510                          d->cookie_high, d->cookie_low);
 511                 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 512                                16, 1, d->params.raw, 16, 0);
 513         }
 514 }
 515
 516 /**
 517  * i40e_dbg_dump_desc - handles dump desc write into command datum
 518  * @cnt: number of arguments that the user supplied
 519  * @vsi_seid: vsi id entered by user
 520  * @ring_id: ring id entered by user
 521  * @desc_n: descriptor number entered by user
 522  * @pf: the i40e_pf created in command write
 523  * @type: enum describing whether ring is RX, TX or XDP
 524  **/
 525 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
 526                                struct i40e_pf *pf, enum ring_type type)
 527 {
 528         bool is_rx_ring = type == RING_TYPE_RX;
 529         struct i40e_tx_desc *txd;
 530         union i40e_rx_desc *rxd;
 531         struct i40e_ring *ring;
 532         struct i40e_vsi *vsi;
 533         int i;
 534
 535         vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 536         if (!vsi) {
 537                 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
 538                 return;
 539         }
 540         if (vsi->type != I40E_VSI_MAIN &&
 541             vsi->type != I40E_VSI_FDIR &&
 542             vsi->type != I40E_VSI_VMDQ2) {
 543                 dev_info(&pf->pdev->dev,
 544                          "vsi %d type %d descriptor rings not available\n",
 545                          vsi_seid, vsi->type);
 546                 return;
 547         }
 548         if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) {
 549                 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid);
 550                 return;
 551         }
 552         if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
 553                 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
 554                 return;
 555         }
 556         if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
 557                 dev_info(&pf->pdev->dev,
 558                          "descriptor rings have not been allocated for vsi %d\n",
 559                          vsi_seid);
 560                 return;
 561         }
 562
 563         switch (type) {
 564         case RING_TYPE_RX:
 565                 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 566                 break;
 567         case RING_TYPE_TX:
 568                 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 569                 break;
 570         case RING_TYPE_XDP:
 571                 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 572                 break;
 573         default:
 574                 ring = NULL;
 575                 break;
 576         }
 577         if (!ring)
 578                 return;
 579
 580         if (cnt == 2) {
 581                 switch (type) {
 582                 case RING_TYPE_RX:
 583                         dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id);
 584                         break;
 585                 case RING_TYPE_TX:
 586                         dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id);
 587                         break;
 588                 case RING_TYPE_XDP:
 589                         dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id);
 590                         break;
 591                 }
 592                 for (i = 0; i < ring->count; i++) {
 593                         if (!is_rx_ring) {
 594                                 txd = I40E_TX_DESC(ring, i);
 595                                 dev_info(&pf->pdev->dev,
 596                                          "   d[%03x] = 0x%016llx 0x%016llx\n",
 597                                          i, txd->buffer_addr,
 598                                          txd->cmd_type_offset_bsz);
 599                         } else {
 600                                 rxd = I40E_RX_DESC(ring, i);
 601                                 dev_info(&pf->pdev->dev,
 602                                          "   d[%03x] = 0x%016llx 0x%016llx\n",
 603                                          i, rxd->read.pkt_addr,
 604                                          rxd->read.hdr_addr);
 605                         }
 606                 }
 607         } else if (cnt == 3) {
 608                 if (desc_n >= ring->count || desc_n < 0) {
 609                         dev_info(&pf->pdev->dev,
 610                                  "descriptor %d not found\n", desc_n);
 611                         goto out;
 612                 }
 613                 if (!is_rx_ring) {
 614                         txd = I40E_TX_DESC(ring, desc_n);
 615                         dev_info(&pf->pdev->dev,
 616                                  "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 617                                  vsi_seid, ring_id, desc_n,
 618                                  txd->buffer_addr, txd->cmd_type_offset_bsz);
 619                 } else {
 620                         rxd = I40E_RX_DESC(ring, desc_n);
 621                         dev_info(&pf->pdev->dev,
 622                                  "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 623                                  vsi_seid, ring_id, desc_n,
 624                                  rxd->read.pkt_addr, rxd->read.hdr_addr);
 625                 }
 626         } else {
 627                 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n");
 628         }
 629
 630 out:
 631         kfree(ring);
 632 }
 633
 634 /**
 635  * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
 636  * @pf: the i40e_pf created in command write
 637  **/
 638 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
 639 {
 640         struct i40e_vsi *vsi;
 641         int i;
 642
 643         i40e_pf_for_each_vsi(pf, i, vsi)
 644                 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", i, vsi->seid);
 645 }
 646
 647 /**
 648  * i40e_dbg_dump_eth_stats - handles dump stats write into command datum
 649  * @pf: the i40e_pf created in command write
 650  * @estats: the eth stats structure to be dumped
 651  **/
 652 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
 653                                     struct i40e_eth_stats *estats)
 654 {
 655         dev_info(&pf->pdev->dev, "  ethstats:\n");
 656         dev_info(&pf->pdev->dev,
 657                  "    rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
 658                 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
 659         dev_info(&pf->pdev->dev,
 660                  "    rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
 661                  estats->rx_broadcast, estats->rx_discards);
 662         dev_info(&pf->pdev->dev,
 663                  "    rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
 664                  estats->rx_unknown_protocol, estats->tx_bytes);
 665         dev_info(&pf->pdev->dev,
 666                  "    tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
 667                  estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
 668         dev_info(&pf->pdev->dev,
 669                  "    tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
 670                  estats->tx_discards, estats->tx_errors);
 671 }
 672
 673 /**
 674  * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
 675  * @pf: the i40e_pf created in command write
 676  * @seid: the seid the user put in
 677  **/
 678 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
 679 {
 680         struct i40e_veb *veb;
 681
 682         veb = i40e_pf_get_veb_by_seid(pf, seid);
 683         if (!veb) {
 684                 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
 685                 return;
 686         }
 687         dev_info(&pf->pdev->dev,
 688                  "veb idx=%d stats_ic=%d  seid=%d uplink=%d mode=%s\n",
 689                  veb->idx, veb->stats_idx, veb->seid, veb->uplink_seid,
 690                  veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
 691         i40e_dbg_dump_eth_stats(pf, &veb->stats);
 692 }
 693
 694 /**
 695  * i40e_dbg_dump_veb_all - dumps all known veb's stats
 696  * @pf: the i40e_pf created in command write
 697  **/
 698 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
 699 {
 700         struct i40e_veb *veb;
 701         int i;
 702
 703         i40e_pf_for_each_veb(pf, i, veb)
 704                 i40e_dbg_dump_veb_seid(pf, veb->seid);
 705 }
 706
 707 /**
 708  * i40e_dbg_dump_vf - dump VF info
 709  * @pf: the i40e_pf created in command write
 710  * @vf_id: the vf_id from the user
 711  **/
 712 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
 713 {
 714         struct i40e_vf *vf;
 715         struct i40e_vsi *vsi;
 716
 717         if (!pf->num_alloc_vfs) {
 718                 dev_info(&pf->pdev->dev, "no VFs allocated\n");
 719         } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
 720                 vf = &pf->vf[vf_id];
 721                 vsi = pf->vsi[vf->lan_vsi_idx];
 722                 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
 723                          vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
 724                 dev_info(&pf->pdev->dev, "       num MDD=%lld\n",
 725                          vf->num_mdd_events);
 726         } else {
 727                 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
 728         }
 729 }
 730
 731 /**
 732  * i40e_dbg_dump_vf_all - dump VF info for all VFs
 733  * @pf: the i40e_pf created in command write
 734  **/
 735 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
 736 {
 737         int i;
 738
 739         if (!pf->num_alloc_vfs)
 740                 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
 741         else
 742                 for (i = 0; i < pf->num_alloc_vfs; i++)
 743                         i40e_dbg_dump_vf(pf, i);
 744 }
 745
 746 /**
 747  * i40e_dbg_command_write - write into command datum
 748  * @filp: the opened file
 749  * @buffer: where to find the user's data
 750  * @count: the length of the user's data
 751  * @ppos: file position offset
 752  **/
 753 static ssize_t i40e_dbg_command_write(struct file *filp,
 754                                       const char __user *buffer,
 755                                       size_t count, loff_t *ppos)
 756 {
 757         struct i40e_pf *pf = filp->private_data;
 758         char *cmd_buf, *cmd_buf_tmp;
 759         int bytes_not_copied;
 760         struct i40e_vsi *vsi;
 761         int vsi_seid;
 762         int veb_seid;
 763         int vf_id;
 764         int cnt;
 765
 766         /* don't allow partial writes */
 767         if (*ppos != 0)
 768                 return 0;
 769
 770         cmd_buf = kzalloc(count + 1, GFP_KERNEL);
 771         if (!cmd_buf)
 772                 return count;
 773         bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
 774         if (bytes_not_copied) {
 775                 kfree(cmd_buf);
 776                 return -EFAULT;
 777         }
 778         cmd_buf[count] = '\0';
 779
 780         cmd_buf_tmp = strchr(cmd_buf, '\n');
 781         if (cmd_buf_tmp) {
 782                 *cmd_buf_tmp = '\0';
 783                 count = cmd_buf_tmp - cmd_buf + 1;
 784         }
 785
 786         if (strncmp(cmd_buf, "add vsi", 7) == 0) {
 787                 vsi_seid = -1;
 788                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 789                 if (cnt == 0) {
 790                         /* default to PF VSI */
 791                         vsi = i40e_pf_get_main_vsi(pf);
 792                         vsi_seid = vsi->seid;
 793                 } else if (vsi_seid < 0) {
 794                         dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
 795                                  vsi_seid);
 796                         goto command_write_done;
 797                 }
 798
 799                 /* By default we are in VEPA mode, if this is the first VF/VMDq
 800                  * VSI to be added switch to VEB mode.
 801                  */
 802                 if (!test_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags)) {
 803                         set_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags);
 804                         i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
 805                 }
 806
 807                 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
 808                 if (vsi)
 809                         dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
 810                                  vsi->seid, vsi->uplink_seid);
 811                 else
 812                         dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
 813
 814         } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
 815                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 816                 if (cnt != 1) {
 817                         dev_info(&pf->pdev->dev,
 818                                  "del vsi: bad command string, cnt=%d\n",
 819                                  cnt);
 820                         goto command_write_done;
 821                 }
 822                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 823                 if (!vsi) {
 824                         dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
 825                                  vsi_seid);
 826                         goto command_write_done;
 827                 }
 828
 829                 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
 830                 i40e_vsi_release(vsi);
 831
 832         } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
 833                 struct i40e_veb *veb;
 834                 u8 enabled_tc = 0x1;
 835                 int uplink_seid;
 836
 837                 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
 838                 if (cnt == 0) {
 839                         uplink_seid = 0;
 840                         vsi_seid = 0;
 841                 } else if (cnt != 2) {
 842                         dev_info(&pf->pdev->dev,
 843                                  "add relay: bad command string, cnt=%d\n",
 844                                  cnt);
 845                         goto command_write_done;
 846                 } else if (uplink_seid < 0) {
 847                         dev_info(&pf->pdev->dev,
 848                                  "add relay %d: bad uplink seid\n",
 849                                  uplink_seid);
 850                         goto command_write_done;
 851                 }
 852
 853                 if (uplink_seid != 0 && uplink_seid != pf->mac_seid) {
 854                         dev_info(&pf->pdev->dev,
 855                                  "add relay: relay uplink %d not found\n",
 856                                  uplink_seid);
 857                         goto command_write_done;
 858                 } else if (uplink_seid) {
 859                         vsi = i40e_pf_get_vsi_by_seid(pf, vsi_seid);
 860                         if (!vsi) {
 861                                 dev_info(&pf->pdev->dev,
 862                                          "add relay: VSI %d not found\n",
 863                                          vsi_seid);
 864                                 goto command_write_done;
 865                         }
 866                         enabled_tc = vsi->tc_config.enabled_tc;
 867                 } else if (vsi_seid) {
 868                         dev_info(&pf->pdev->dev,
 869                                  "add relay: VSI must be 0 for floating relay\n");
 870                         goto command_write_done;
 871                 }
 872
 873                 veb = i40e_veb_setup(pf, uplink_seid, vsi_seid, enabled_tc);
 874                 if (veb)
 875                         dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
 876                 else
 877                         dev_info(&pf->pdev->dev, "add relay failed\n");
 878
 879         } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
 880                 struct i40e_veb *veb;
 881                 int i;
 882
 883                 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
 884                 if (cnt != 1) {
 885                         dev_info(&pf->pdev->dev,
 886                                  "del relay: bad command string, cnt=%d\n",
 887                                  cnt);
 888                         goto command_write_done;
 889                 } else if (veb_seid < 0) {
 890                         dev_info(&pf->pdev->dev,
 891                                  "del relay %d: bad relay seid\n", veb_seid);
 892                         goto command_write_done;
 893                 }
 894
 895                 /* find the veb */
 896                 i40e_pf_for_each_veb(pf, i, veb)
 897                         if (veb->seid == veb_seid)
 898                                 break;
 899
 900                 if (i >= I40E_MAX_VEB) {
 901                         dev_info(&pf->pdev->dev,
 902                                  "del relay: relay %d not found\n", veb_seid);
 903                         goto command_write_done;
 904                 }
 905
 906                 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
 907                 i40e_veb_release(veb);
 908         } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
 909                 unsigned int v;
 910                 int ret;
 911                 u16 vid;
 912
 913                 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
 914                 if (cnt != 2) {
 915                         dev_info(&pf->pdev->dev,
 916                                  "add pvid: bad command string, cnt=%d\n", cnt);
 917                         goto command_write_done;
 918                 }
 919
 920                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 921                 if (!vsi) {
 922                         dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
 923                                  vsi_seid);
 924                         goto command_write_done;
 925                 }
 926
 927                 vid = v;
 928                 ret = i40e_vsi_add_pvid(vsi, vid);
 929                 if (!ret)
 930                         dev_info(&pf->pdev->dev,
 931                                  "add pvid: %d added to VSI %d\n",
 932                                  vid, vsi_seid);
 933                 else
 934                         dev_info(&pf->pdev->dev,
 935                                  "add pvid: %d to VSI %d failed, ret=%d\n",
 936                                  vid, vsi_seid, ret);
 937
 938         } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
 939
 940                 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 941                 if (cnt != 1) {
 942                         dev_info(&pf->pdev->dev,
 943                                  "del pvid: bad command string, cnt=%d\n",
 944                                  cnt);
 945                         goto command_write_done;
 946                 }
 947
 948                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 949                 if (!vsi) {
 950                         dev_info(&pf->pdev->dev,
 951                                  "del pvid: VSI %d not found\n", vsi_seid);
 952                         goto command_write_done;
 953                 }
 954
 955                 i40e_vsi_remove_pvid(vsi);
 956                 dev_info(&pf->pdev->dev,
 957                          "del pvid: removed from VSI %d\n", vsi_seid);
 958
 959         } else if (strncmp(cmd_buf, "dump", 4) == 0) {
 960                 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
 961                         i40e_fetch_switch_configuration(pf, true);
 962                 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
 963                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 964                         if (cnt > 0)
 965                                 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
 966                         else
 967                                 i40e_dbg_dump_vsi_no_seid(pf);
 968                 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
 969                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 970                         if (cnt > 0)
 971                                 i40e_dbg_dump_veb_seid(pf, vsi_seid);
 972                         else
 973                                 i40e_dbg_dump_veb_all(pf);
 974                 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
 975                         cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
 976                         if (cnt > 0)
 977                                 i40e_dbg_dump_vf(pf, vf_id);
 978                         else
 979                                 i40e_dbg_dump_vf_all(pf);
 980                 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
 981                         int ring_id, desc_n;
 982                         if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
 983                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
 984                                              &vsi_seid, &ring_id, &desc_n);
 985                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
 986                                                    desc_n, pf, RING_TYPE_RX);
 987                         } else if (strncmp(&cmd_buf[10], "tx", 2)
 988                                         == 0) {
 989                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
 990                                              &vsi_seid, &ring_id, &desc_n);
 991                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
 992                                                    desc_n, pf, RING_TYPE_TX);
 993                         } else if (strncmp(&cmd_buf[10], "xdp", 3)
 994                                         == 0) {
 995                                 cnt = sscanf(&cmd_buf[13], "%i %i %i",
 996                                              &vsi_seid, &ring_id, &desc_n);
 997                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
 998                                                    desc_n, pf, RING_TYPE_XDP);
 999                         } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1000                                 i40e_dbg_dump_aq_desc(pf);
1001                         } else {
1002                                 dev_info(&pf->pdev->dev,
1003                                          "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1004                                 dev_info(&pf->pdev->dev,
1005                                          "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1006                                 dev_info(&pf->pdev->dev,
1007                                          "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1008                                 dev_info(&pf->pdev->dev, "dump desc aq\n");
1009                         }
1010                 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1011                         dev_info(&pf->pdev->dev,
1012                                  "core reset count: %d\n", pf->corer_count);
1013                         dev_info(&pf->pdev->dev,
1014                                  "global reset count: %d\n", pf->globr_count);
1015                         dev_info(&pf->pdev->dev,
1016                                  "emp reset count: %d\n", pf->empr_count);
1017                         dev_info(&pf->pdev->dev,
1018                                  "pf reset count: %d\n", pf->pfr_count);
1019                 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1020                         struct i40e_aqc_query_port_ets_config_resp *bw_data;
1021                         struct i40e_dcbx_config *cfg =
1022                                                 &pf->hw.local_dcbx_config;
1023                         struct i40e_dcbx_config *r_cfg =
1024                                                 &pf->hw.remote_dcbx_config;
1025                         int i, ret;
1026                         u16 switch_id;
1027
1028                         bw_data = kzalloc(sizeof(
1029                                     struct i40e_aqc_query_port_ets_config_resp),
1030                                           GFP_KERNEL);
1031                         if (!bw_data) {
1032                                 ret = -ENOMEM;
1033                                 goto command_write_done;
1034                         }
1035
1036                         vsi = i40e_pf_get_main_vsi(pf);
1037                         switch_id =
1038                                 le16_to_cpu(vsi->info.switch_id) &
1039                                             I40E_AQ_VSI_SW_ID_MASK;
1040
1041                         ret = i40e_aq_query_port_ets_config(&pf->hw,
1042                                                             switch_id,
1043                                                             bw_data, NULL);
1044                         if (ret) {
1045                                 dev_info(&pf->pdev->dev,
1046                                          "Query Port ETS Config AQ command failed =0x%x\n",
1047                                          pf->hw.aq.asq_last_status);
1048                                 kfree(bw_data);
1049                                 bw_data = NULL;
1050                                 goto command_write_done;
1051                         }
1052                         dev_info(&pf->pdev->dev,
1053                                  "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1054                                  bw_data->tc_valid_bits,
1055                                  bw_data->tc_strict_priority_bits,
1056                                  le16_to_cpu(bw_data->tc_bw_max[0]),
1057                                  le16_to_cpu(bw_data->tc_bw_max[1]));
1058                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1059                                 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1060                                          bw_data->tc_bw_share_credits[i],
1061                                          le16_to_cpu(bw_data->tc_bw_limits[i]));
1062                         }
1063
1064                         kfree(bw_data);
1065                         bw_data = NULL;
1066
1067                         dev_info(&pf->pdev->dev,
1068                                  "port dcbx_mode=%d\n", cfg->dcbx_mode);
1069                         dev_info(&pf->pdev->dev,
1070                                  "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1071                                  cfg->etscfg.willing, cfg->etscfg.cbs,
1072                                  cfg->etscfg.maxtcs);
1073                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1074                                 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1075                                          i, cfg->etscfg.prioritytable[i],
1076                                          cfg->etscfg.tcbwtable[i],
1077                                          cfg->etscfg.tsatable[i]);
1078                         }
1079                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1080                                 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1081                                          i, cfg->etsrec.prioritytable[i],
1082                                          cfg->etsrec.tcbwtable[i],
1083                                          cfg->etsrec.tsatable[i]);
1084                         }
1085                         dev_info(&pf->pdev->dev,
1086                                  "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1087                                  cfg->pfc.willing, cfg->pfc.mbc,
1088                                  cfg->pfc.pfccap, cfg->pfc.pfcenable);
1089                         dev_info(&pf->pdev->dev,
1090                                  "port app_table: num_apps=%d\n", cfg->numapps);
1091                         for (i = 0; i < cfg->numapps; i++) {
1092                                 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1093                                          i, cfg->app[i].priority,
1094                                          cfg->app[i].selector,
1095                                          cfg->app[i].protocolid);
1096                         }
1097                         /* Peer TLV DCBX data */
1098                         dev_info(&pf->pdev->dev,
1099                                  "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1100                                  r_cfg->etscfg.willing,
1101                                  r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1102                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1103                                 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1104                                          i, r_cfg->etscfg.prioritytable[i],
1105                                          r_cfg->etscfg.tcbwtable[i],
1106                                          r_cfg->etscfg.tsatable[i]);
1107                         }
1108                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1109                                 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1110                                          i, r_cfg->etsrec.prioritytable[i],
1111                                          r_cfg->etsrec.tcbwtable[i],
1112                                          r_cfg->etsrec.tsatable[i]);
1113                         }
1114                         dev_info(&pf->pdev->dev,
1115                                  "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1116                                  r_cfg->pfc.willing,
1117                                  r_cfg->pfc.mbc,
1118                                  r_cfg->pfc.pfccap,
1119                                  r_cfg->pfc.pfcenable);
1120                         dev_info(&pf->pdev->dev,
1121                                  "remote port app_table: num_apps=%d\n",
1122                                  r_cfg->numapps);
1123                         for (i = 0; i < r_cfg->numapps; i++) {
1124                                 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1125                                          i, r_cfg->app[i].priority,
1126                                          r_cfg->app[i].selector,
1127                                          r_cfg->app[i].protocolid);
1128                         }
1129                 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1130                         int cluster_id, table_id;
1131                         int index, ret;
1132                         u16 buff_len = 4096;
1133                         u32 next_index;
1134                         u8 next_table;
1135                         u8 *buff;
1136                         u16 rlen;
1137
1138                         cnt = sscanf(&cmd_buf[18], "%i %i %i",
1139                                      &cluster_id, &table_id, &index);
1140                         if (cnt != 3) {
1141                                 dev_info(&pf->pdev->dev,
1142                                          "dump debug fwdata <cluster_id> <table_id> <index>\n");
1143                                 goto command_write_done;
1144                         }
1145
1146                         dev_info(&pf->pdev->dev,
1147                                  "AQ debug dump fwdata params %x %x %x %x\n",
1148                                  cluster_id, table_id, index, buff_len);
1149                         buff = kzalloc(buff_len, GFP_KERNEL);
1150                         if (!buff)
1151                                 goto command_write_done;
1152
1153                         ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1154                                                  index, buff_len, buff, &rlen,
1155                                                  &next_table, &next_index,
1156                                                  NULL);
1157                         if (ret) {
1158                                 dev_info(&pf->pdev->dev,
1159                                          "debug dump fwdata AQ Failed %d 0x%x\n",
1160                                          ret, pf->hw.aq.asq_last_status);
1161                                 kfree(buff);
1162                                 buff = NULL;
1163                                 goto command_write_done;
1164                         }
1165                         dev_info(&pf->pdev->dev,
1166                                  "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1167                                  rlen, next_table, next_index);
1168                         print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1169                                        DUMP_PREFIX_OFFSET, 16, 1,
1170                                        buff, rlen, true);
1171                         kfree(buff);
1172                         buff = NULL;
1173                 } else {
1174                         dev_info(&pf->pdev->dev,
1175                                  "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");
1176                         dev_info(&pf->pdev->dev, "dump switch\n");
1177                         dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1178                         dev_info(&pf->pdev->dev, "dump reset stats\n");
1179                         dev_info(&pf->pdev->dev, "dump port\n");
1180                         dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1181                         dev_info(&pf->pdev->dev,
1182                                  "dump debug fwdata <cluster_id> <table_id> <index>\n");
1183                 }
1184         } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1185                 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1186                 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1187
1188         } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1189                 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1190                 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1191
1192         } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1193                 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1194                 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1195
1196         } else if (strncmp(cmd_buf, "read", 4) == 0) {
1197                 u32 address;
1198                 u32 value;
1199
1200                 cnt = sscanf(&cmd_buf[4], "%i", &address);
1201                 if (cnt != 1) {
1202                         dev_info(&pf->pdev->dev, "read <reg>\n");
1203                         goto command_write_done;
1204                 }
1205
1206                 /* check the range on address */
1207                 if (address > (pf->ioremap_len - sizeof(u32))) {
1208                         dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1209                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1210                         goto command_write_done;
1211                 }
1212
1213                 value = rd32(&pf->hw, address);
1214                 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1215                          address, value);
1216
1217         } else if (strncmp(cmd_buf, "write", 5) == 0) {
1218                 u32 address, value;
1219
1220                 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1221                 if (cnt != 2) {
1222                         dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1223                         goto command_write_done;
1224                 }
1225
1226                 /* check the range on address */
1227                 if (address > (pf->ioremap_len - sizeof(u32))) {
1228                         dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1229                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1230                         goto command_write_done;
1231                 }
1232                 wr32(&pf->hw, address, value);
1233                 value = rd32(&pf->hw, address);
1234                 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1235                          address, value);
1236         } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1237                 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1238                         cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1239                         if (cnt == 0) {
1240                                 int i;
1241
1242                                 i40e_pf_for_each_vsi(pf, i, vsi)
1243                                         i40e_vsi_reset_stats(vsi);
1244                                 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1245                         } else if (cnt == 1) {
1246                                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1247                                 if (!vsi) {
1248                                         dev_info(&pf->pdev->dev,
1249                                                  "clear_stats vsi: bad vsi %d\n",
1250                                                  vsi_seid);
1251                                         goto command_write_done;
1252                                 }
1253                                 i40e_vsi_reset_stats(vsi);
1254                                 dev_info(&pf->pdev->dev,
1255                                          "vsi clear stats called for vsi %d\n",
1256                                          vsi_seid);
1257                         } else {
1258                                 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1259                         }
1260                 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1261                         if (pf->hw.partition_id == 1) {
1262                                 i40e_pf_reset_stats(pf);
1263                                 dev_info(&pf->pdev->dev, "port stats cleared\n");
1264                         } else {
1265                                 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1266                         }
1267                 } else {
1268                         dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1269                 }
1270         } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1271                 struct i40e_aq_desc *desc;
1272                 int ret;
1273
1274                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1275                 if (!desc)
1276                         goto command_write_done;
1277                 cnt = sscanf(&cmd_buf[11],
1278                              "%hi %hi %hi %hi %i %i %i %i %i %i",
1279                              &desc->flags,
1280                              &desc->opcode, &desc->datalen, &desc->retval,
1281                              &desc->cookie_high, &desc->cookie_low,
1282                              &desc->params.internal.param0,
1283                              &desc->params.internal.param1,
1284                              &desc->params.internal.param2,
1285                              &desc->params.internal.param3);
1286                 if (cnt != 10) {
1287                         dev_info(&pf->pdev->dev,
1288                                  "send aq_cmd: bad command string, cnt=%d\n",
1289                                  cnt);
1290                         kfree(desc);
1291                         desc = NULL;
1292                         goto command_write_done;
1293                 }
1294                 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1295                 if (!ret) {
1296                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1297                 } else if (ret == -EIO) {
1298                         dev_info(&pf->pdev->dev,
1299                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1300                                  desc->opcode, pf->hw.aq.asq_last_status);
1301                 } else {
1302                         dev_info(&pf->pdev->dev,
1303                                  "AQ command send failed Opcode %x Status: %d\n",
1304                                  desc->opcode, ret);
1305                 }
1306                 dev_info(&pf->pdev->dev,
1307                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1308                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1309                          desc->cookie_high, desc->cookie_low,
1310                          desc->params.internal.param0,
1311                          desc->params.internal.param1,
1312                          desc->params.internal.param2,
1313                          desc->params.internal.param3);
1314                 kfree(desc);
1315                 desc = NULL;
1316         } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1317                 struct i40e_aq_desc *desc;
1318                 u16 buffer_len;
1319                 u8 *buff;
1320                 int ret;
1321
1322                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1323                 if (!desc)
1324                         goto command_write_done;
1325                 cnt = sscanf(&cmd_buf[20],
1326                              "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1327                              &desc->flags,
1328                              &desc->opcode, &desc->datalen, &desc->retval,
1329                              &desc->cookie_high, &desc->cookie_low,
1330                              &desc->params.internal.param0,
1331                              &desc->params.internal.param1,
1332                              &desc->params.internal.param2,
1333                              &desc->params.internal.param3,
1334                              &buffer_len);
1335                 if (cnt != 11) {
1336                         dev_info(&pf->pdev->dev,
1337                                  "send indirect aq_cmd: bad command string, cnt=%d\n",
1338                                  cnt);
1339                         kfree(desc);
1340                         desc = NULL;
1341                         goto command_write_done;
1342                 }
1343                 /* Just stub a buffer big enough in case user messed up */
1344                 if (buffer_len == 0)
1345                         buffer_len = 1280;
1346
1347                 buff = kzalloc(buffer_len, GFP_KERNEL);
1348                 if (!buff) {
1349                         kfree(desc);
1350                         desc = NULL;
1351                         goto command_write_done;
1352                 }
1353                 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1354                 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1355                                             buffer_len, NULL);
1356                 if (!ret) {
1357                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1358                 } else if (ret == -EIO) {
1359                         dev_info(&pf->pdev->dev,
1360                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1361                                  desc->opcode, pf->hw.aq.asq_last_status);
1362                 } else {
1363                         dev_info(&pf->pdev->dev,
1364                                  "AQ command send failed Opcode %x Status: %d\n",
1365                                  desc->opcode, ret);
1366                 }
1367                 dev_info(&pf->pdev->dev,
1368                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1369                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1370                          desc->cookie_high, desc->cookie_low,
1371                          desc->params.internal.param0,
1372                          desc->params.internal.param1,
1373                          desc->params.internal.param2,
1374                          desc->params.internal.param3);
1375                 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1376                                DUMP_PREFIX_OFFSET, 16, 1,
1377                                buff, buffer_len, true);
1378                 kfree(buff);
1379                 buff = NULL;
1380                 kfree(desc);
1381                 desc = NULL;
1382         } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1383                 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1384                          i40e_get_current_fd_count(pf));
1385         } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1386                 /* Get main VSI */
1387                 struct i40e_vsi *main_vsi = i40e_pf_get_main_vsi(pf);
1388
1389                 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1390                         int ret;
1391
1392                         ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
1393                         if (ret) {
1394                                 dev_info(&pf->pdev->dev,
1395                                          "Stop LLDP AQ command failed =0x%x\n",
1396                                          pf->hw.aq.asq_last_status);
1397                                 goto command_write_done;
1398                         }
1399                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1400                                                 pf->hw.mac.addr, ETH_P_LLDP, 0,
1401                                                 main_vsi->seid, 0, true, NULL,
1402                                                 NULL);
1403                         if (ret) {
1404                                 dev_info(&pf->pdev->dev,
1405                                         "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1406                                         __func__, pf->hw.aq.asq_last_status);
1407                                 goto command_write_done;
1408                         }
1409 #ifdef CONFIG_I40E_DCB
1410                         pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1411                                        DCB_CAP_DCBX_VER_IEEE;
1412 #endif /* CONFIG_I40E_DCB */
1413                 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1414                         int ret;
1415
1416                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1417                                                 pf->hw.mac.addr, ETH_P_LLDP, 0,
1418                                                 main_vsi->seid, 0, false, NULL,
1419                                                 NULL);
1420                         if (ret) {
1421                                 dev_info(&pf->pdev->dev,
1422                                         "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1423                                         __func__, pf->hw.aq.asq_last_status);
1424                                 /* Continue and start FW LLDP anyways */
1425                         }
1426
1427                         ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
1428                         if (ret) {
1429                                 dev_info(&pf->pdev->dev,
1430                                          "Start LLDP AQ command failed =0x%x\n",
1431                                          pf->hw.aq.asq_last_status);
1432                                 goto command_write_done;
1433                         }
1434 #ifdef CONFIG_I40E_DCB
1435                         pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1436                                        DCB_CAP_DCBX_VER_IEEE;
1437 #endif /* CONFIG_I40E_DCB */
1438                 } else if (strncmp(&cmd_buf[5],
1439                            "get local", 9) == 0) {
1440                         u16 llen, rlen;
1441                         int ret;
1442                         u8 *buff;
1443
1444                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1445                         if (!buff)
1446                                 goto command_write_done;
1447
1448                         ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1449                                                    I40E_AQ_LLDP_MIB_LOCAL,
1450                                                    buff, I40E_LLDPDU_SIZE,
1451                                                    &llen, &rlen, NULL);
1452                         if (ret) {
1453                                 dev_info(&pf->pdev->dev,
1454                                          "Get LLDP MIB (local) AQ command failed =0x%x\n",
1455                                          pf->hw.aq.asq_last_status);
1456                                 kfree(buff);
1457                                 buff = NULL;
1458                                 goto command_write_done;
1459                         }
1460                         dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1461                         print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1462                                        DUMP_PREFIX_OFFSET, 16, 1,
1463                                        buff, I40E_LLDPDU_SIZE, true);
1464                         kfree(buff);
1465                         buff = NULL;
1466                 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1467                         u16 llen, rlen;
1468                         int ret;
1469                         u8 *buff;
1470
1471                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1472                         if (!buff)
1473                                 goto command_write_done;
1474
1475                         ret = i40e_aq_get_lldp_mib(&pf->hw,
1476                                         I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1477                                         I40E_AQ_LLDP_MIB_REMOTE,
1478                                         buff, I40E_LLDPDU_SIZE,
1479                                         &llen, &rlen, NULL);
1480                         if (ret) {
1481                                 dev_info(&pf->pdev->dev,
1482                                          "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1483                                          pf->hw.aq.asq_last_status);
1484                                 kfree(buff);
1485                                 buff = NULL;
1486                                 goto command_write_done;
1487                         }
1488                         dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1489                         print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1490                                        DUMP_PREFIX_OFFSET, 16, 1,
1491                                        buff, I40E_LLDPDU_SIZE, true);
1492                         kfree(buff);
1493                         buff = NULL;
1494                 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1495                         int ret;
1496
1497                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1498                                                                 true, NULL);
1499                         if (ret) {
1500                                 dev_info(&pf->pdev->dev,
1501                                          "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1502                                          pf->hw.aq.asq_last_status);
1503                                 goto command_write_done;
1504                         }
1505                 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1506                         int ret;
1507
1508                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1509                                                                 false, NULL);
1510                         if (ret) {
1511                                 dev_info(&pf->pdev->dev,
1512                                          "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1513                                          pf->hw.aq.asq_last_status);
1514                                 goto command_write_done;
1515                         }
1516                 }
1517         } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1518                 u16 buffer_len, bytes;
1519                 u16 module;
1520                 u32 offset;
1521                 u16 *buff;
1522                 int ret;
1523
1524                 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1525                              &module, &offset, &buffer_len);
1526                 if (cnt == 0) {
1527                         module = 0;
1528                         offset = 0;
1529                         buffer_len = 0;
1530                 } else if (cnt == 1) {
1531                         offset = 0;
1532                         buffer_len = 0;
1533                 } else if (cnt == 2) {
1534                         buffer_len = 0;
1535                 } else if (cnt > 3) {
1536                         dev_info(&pf->pdev->dev,
1537                                  "nvm read: bad command string, cnt=%d\n", cnt);
1538                         goto command_write_done;
1539                 }
1540
1541                 /* set the max length */
1542                 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1543
1544                 bytes = 2 * buffer_len;
1545
1546                 /* read at least 1k bytes, no more than 4kB */
1547                 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1548                 buff = kzalloc(bytes, GFP_KERNEL);
1549                 if (!buff)
1550                         goto command_write_done;
1551
1552                 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1553                 if (ret) {
1554                         dev_info(&pf->pdev->dev,
1555                                  "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1556                                  ret, pf->hw.aq.asq_last_status);
1557                         kfree(buff);
1558                         goto command_write_done;
1559                 }
1560
1561                 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1562                                        bytes, (u8 *)buff, true, NULL);
1563                 i40e_release_nvm(&pf->hw);
1564                 if (ret) {
1565                         dev_info(&pf->pdev->dev,
1566                                  "Read NVM AQ failed err=%d status=0x%x\n",
1567                                  ret, pf->hw.aq.asq_last_status);
1568                 } else {
1569                         dev_info(&pf->pdev->dev,
1570                                  "Read NVM module=0x%x offset=0x%x words=%d\n",
1571                                  module, offset, buffer_len);
1572                         if (bytes)
1573                                 print_hex_dump(KERN_INFO, "NVM Dump: ",
1574                                         DUMP_PREFIX_OFFSET, 16, 2,
1575                                         buff, bytes, true);
1576                 }
1577                 kfree(buff);
1578                 buff = NULL;
1579         } else {
1580                 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1581                 dev_info(&pf->pdev->dev, "available commands\n");
1582                 dev_info(&pf->pdev->dev, "  add vsi [relay_seid]\n");
1583                 dev_info(&pf->pdev->dev, "  del vsi [vsi_seid]\n");
1584                 dev_info(&pf->pdev->dev, "  add relay <uplink_seid> <vsi_seid>\n");
1585                 dev_info(&pf->pdev->dev, "  del relay <relay_seid>\n");
1586                 dev_info(&pf->pdev->dev, "  add pvid <vsi_seid> <vid>\n");
1587                 dev_info(&pf->pdev->dev, "  del pvid <vsi_seid>\n");
1588                 dev_info(&pf->pdev->dev, "  dump switch\n");
1589                 dev_info(&pf->pdev->dev, "  dump vsi [seid]\n");
1590                 dev_info(&pf->pdev->dev, "  dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1591                 dev_info(&pf->pdev->dev, "  dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1592                 dev_info(&pf->pdev->dev, "  dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1593                 dev_info(&pf->pdev->dev, "  dump desc aq\n");
1594                 dev_info(&pf->pdev->dev, "  dump reset stats\n");
1595                 dev_info(&pf->pdev->dev, "  dump debug fwdata <cluster_id> <table_id> <index>\n");
1596                 dev_info(&pf->pdev->dev, "  read <reg>\n");
1597                 dev_info(&pf->pdev->dev, "  write <reg> <value>\n");
1598                 dev_info(&pf->pdev->dev, "  clear_stats vsi [seid]\n");
1599                 dev_info(&pf->pdev->dev, "  clear_stats port\n");
1600                 dev_info(&pf->pdev->dev, "  pfr\n");
1601                 dev_info(&pf->pdev->dev, "  corer\n");
1602                 dev_info(&pf->pdev->dev, "  globr\n");
1603                 dev_info(&pf->pdev->dev, "  send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1604                 dev_info(&pf->pdev->dev, "  send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1605                 dev_info(&pf->pdev->dev, "  fd current cnt");
1606                 dev_info(&pf->pdev->dev, "  lldp start\n");
1607                 dev_info(&pf->pdev->dev, "  lldp stop\n");
1608                 dev_info(&pf->pdev->dev, "  lldp get local\n");
1609                 dev_info(&pf->pdev->dev, "  lldp get remote\n");
1610                 dev_info(&pf->pdev->dev, "  lldp event on\n");
1611                 dev_info(&pf->pdev->dev, "  lldp event off\n");
1612                 dev_info(&pf->pdev->dev, "  nvm read [module] [word_offset] [word_count]\n");
1613         }
1614
1615 command_write_done:
1616         kfree(cmd_buf);
1617         cmd_buf = NULL;
1618         return count;
1619 }
1620
1621 static const struct file_operations i40e_dbg_command_fops = {
1622         .owner = THIS_MODULE,
1623         .open =  simple_open,
1624         .read =  i40e_dbg_command_read,
1625         .write = i40e_dbg_command_write,
1626 };
1627
1628 /**************************************************************
1629  * netdev_ops
1630  * The netdev_ops entry in debugfs is for giving the driver commands
1631  * to be executed from the netdev operations.
1632  **************************************************************/
1633 static char i40e_dbg_netdev_ops_buf[256] = "";
1634
1635 /**
1636  * i40e_dbg_netdev_ops_read - read for netdev_ops datum
1637  * @filp: the opened file
1638  * @buffer: where to write the data for the user to read
1639  * @count: the size of the user's buffer
1640  * @ppos: file position offset
1641  **/
1642 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1643                                         size_t count, loff_t *ppos)
1644 {
1645         struct i40e_pf *pf = filp->private_data;
1646         struct i40e_vsi *main_vsi;
1647         int bytes_not_copied;
1648         int buf_size = 256;
1649         char *buf;
1650         int len;
1651
1652         /* don't allow partal reads */
1653         if (*ppos != 0)
1654                 return 0;
1655         if (count < buf_size)
1656                 return -ENOSPC;
1657
1658         buf = kzalloc(buf_size, GFP_KERNEL);
1659         if (!buf)
1660                 return -ENOSPC;
1661
1662         main_vsi = i40e_pf_get_main_vsi(pf);
1663         len = snprintf(buf, buf_size, "%s: %s\n", main_vsi->netdev->name,
1664                        i40e_dbg_netdev_ops_buf);
1665
1666         bytes_not_copied = copy_to_user(buffer, buf, len);
1667         kfree(buf);
1668
1669         if (bytes_not_copied)
1670                 return -EFAULT;
1671
1672         *ppos = len;
1673         return len;
1674 }
1675
1676 /**
1677  * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1678  * @filp: the opened file
1679  * @buffer: where to find the user's data
1680  * @count: the length of the user's data
1681  * @ppos: file position offset
1682  **/
1683 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1684                                          const char __user *buffer,
1685                                          size_t count, loff_t *ppos)
1686 {
1687         struct i40e_pf *pf = filp->private_data;
1688         int bytes_not_copied;
1689         struct i40e_vsi *vsi;
1690         char *buf_tmp;
1691         int vsi_seid;
1692         int i, cnt;
1693
1694         /* don't allow partial writes */
1695         if (*ppos != 0)
1696                 return 0;
1697         if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1698                 return -ENOSPC;
1699
1700         memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1701         bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1702                                           buffer, count);
1703         if (bytes_not_copied)
1704                 return -EFAULT;
1705         i40e_dbg_netdev_ops_buf[count] = '\0';
1706
1707         buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1708         if (buf_tmp) {
1709                 *buf_tmp = '\0';
1710                 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1711         }
1712
1713         if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1714                 int mtu;
1715
1716                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1717                              &vsi_seid, &mtu);
1718                 if (cnt != 2) {
1719                         dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1720                         goto netdev_ops_write_done;
1721                 }
1722                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1723                 if (!vsi) {
1724                         dev_info(&pf->pdev->dev,
1725                                  "change_mtu: VSI %d not found\n", vsi_seid);
1726                 } else if (!vsi->netdev) {
1727                         dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1728                                  vsi_seid);
1729                 } else if (rtnl_trylock()) {
1730                         vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1731                                                                 mtu);
1732                         rtnl_unlock();
1733                         dev_info(&pf->pdev->dev, "change_mtu called\n");
1734                 } else {
1735                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1736                 }
1737
1738         } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1739                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1740                 if (cnt != 1) {
1741                         dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1742                         goto netdev_ops_write_done;
1743                 }
1744                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1745                 if (!vsi) {
1746                         dev_info(&pf->pdev->dev,
1747                                  "set_rx_mode: VSI %d not found\n", vsi_seid);
1748                 } else if (!vsi->netdev) {
1749                         dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1750                                  vsi_seid);
1751                 } else if (rtnl_trylock()) {
1752                         vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1753                         rtnl_unlock();
1754                         dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1755                 } else {
1756                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1757                 }
1758
1759         } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1760                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1761                 if (cnt != 1) {
1762                         dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1763                         goto netdev_ops_write_done;
1764                 }
1765                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1766                 if (!vsi) {
1767                         dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1768                                  vsi_seid);
1769                 } else if (!vsi->netdev) {
1770                         dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1771                                  vsi_seid);
1772                 } else {
1773                         for (i = 0; i < vsi->num_q_vectors; i++)
1774                                 napi_schedule(&vsi->q_vectors[i]->napi);
1775                         dev_info(&pf->pdev->dev, "napi called\n");
1776                 }
1777         } else {
1778                 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1779                          i40e_dbg_netdev_ops_buf);
1780                 dev_info(&pf->pdev->dev, "available commands\n");
1781                 dev_info(&pf->pdev->dev, "  change_mtu <vsi_seid> <mtu>\n");
1782                 dev_info(&pf->pdev->dev, "  set_rx_mode <vsi_seid>\n");
1783                 dev_info(&pf->pdev->dev, "  napi <vsi_seid>\n");
1784         }
1785 netdev_ops_write_done:
1786         return count;
1787 }
1788
1789 static const struct file_operations i40e_dbg_netdev_ops_fops = {
1790         .owner = THIS_MODULE,
1791         .open = simple_open,
1792         .read = i40e_dbg_netdev_ops_read,
1793         .write = i40e_dbg_netdev_ops_write,
1794 };
1795
1796 /**
1797  * i40e_dbg_pf_init - setup the debugfs directory for the PF
1798  * @pf: the PF that is starting up
1799  **/
1800 void i40e_dbg_pf_init(struct i40e_pf *pf)
1801 {
1802         const char *name = pci_name(pf->pdev);
1803
1804         pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1805
1806         debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1807                             &i40e_dbg_command_fops);
1808
1809         debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1810                             &i40e_dbg_netdev_ops_fops);
1811 }
1812
1813 /**
1814  * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1815  * @pf: the PF that is stopping
1816  **/
1817 void i40e_dbg_pf_exit(struct i40e_pf *pf)
1818 {
1819         debugfs_remove_recursive(pf->i40e_dbg_pf);
1820         pf->i40e_dbg_pf = NULL;
1821 }
1822
1823 /**
1824  * i40e_dbg_init - start up debugfs for the driver
1825  **/
1826 void i40e_dbg_init(void)
1827 {
1828         i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1829         if (IS_ERR(i40e_dbg_root))
1830                 pr_info("init of debugfs failed\n");
1831 }
1832
1833 /**
1834  * i40e_dbg_exit - clean out the driver's debugfs entries
1835  **/
1836 void i40e_dbg_exit(void)
1837 {
1838         debugfs_remove_recursive(i40e_dbg_root);
1839         i40e_dbg_root = NULL;
1840 }
1841
1842 #endif /* CONFIG_DEBUG_FS */