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

   1 /*******************************************************************************
   2  *
   3  * Intel Ethernet Controller XL710 Family Linux Driver
   4  * Copyright(c) 2013 - 2016 Intel Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * The full GNU General Public License is included in this distribution in
  19  * the file called "COPYING".
  20  *
  21  * Contact Information:
  22  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  ******************************************************************************/
  26
  27 #ifdef CONFIG_DEBUG_FS
  28
  29 #include <linux/fs.h>
  30 #include <linux/debugfs.h>
  31
  32 #include "i40e.h"
  33
  34 static struct dentry *i40e_dbg_root;
  35
  36 /**
  37  * i40e_dbg_find_vsi - searches for the vsi with the given seid
  38  * @pf - the PF structure to search for the vsi
  39  * @seid - seid of the vsi it is searching for
  40  **/
  41 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
  42 {
  43         int i;
  44
  45         if (seid < 0)
  46                 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
  47         else
  48                 for (i = 0; i < pf->num_alloc_vsi; i++)
  49                         if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
  50                                 return pf->vsi[i];
  51
  52         return NULL;
  53 }
  54
  55 /**
  56  * i40e_dbg_find_veb - searches for the veb with the given seid
  57  * @pf - the PF structure to search for the veb
  58  * @seid - seid of the veb it is searching for
  59  **/
  60 static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
  61 {
  62         int i;
  63
  64         for (i = 0; i < I40E_MAX_VEB; i++)
  65                 if (pf->veb[i] && pf->veb[i]->seid == seid)
  66                         return pf->veb[i];
  67         return NULL;
  68 }
  69
  70 /**************************************************************
  71  * command
  72  * The command entry in debugfs is for giving the driver commands
  73  * to be executed - these may be for changing the internal switch
  74  * setup, adding or removing filters, or other things.  Many of
  75  * these will be useful for some forms of unit testing.
  76  **************************************************************/
  77 static char i40e_dbg_command_buf[256] = "";
  78
  79 /**
  80  * i40e_dbg_command_read - read for command datum
  81  * @filp: the opened file
  82  * @buffer: where to write the data for the user to read
  83  * @count: the size of the user's buffer
  84  * @ppos: file position offset
  85  **/
  86 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
  87                                      size_t count, loff_t *ppos)
  88 {
  89         struct i40e_pf *pf = filp->private_data;
  90         int bytes_not_copied;
  91         int buf_size = 256;
  92         char *buf;
  93         int len;
  94
  95         /* don't allow partial reads */
  96         if (*ppos != 0)
  97                 return 0;
  98         if (count < buf_size)
  99                 return -ENOSPC;
 100
 101         buf = kzalloc(buf_size, GFP_KERNEL);
 102         if (!buf)
 103                 return -ENOSPC;
 104
 105         len = snprintf(buf, buf_size, "%s: %s\n",
 106                        pf->vsi[pf->lan_vsi]->netdev->name,
 107                        i40e_dbg_command_buf);
 108
 109         bytes_not_copied = copy_to_user(buffer, buf, len);
 110         kfree(buf);
 111
 112         if (bytes_not_copied)
 113                 return -EFAULT;
 114
 115         *ppos = len;
 116         return len;
 117 }
 118
 119 static char *i40e_filter_state_string[] = {
 120         "INVALID",
 121         "NEW",
 122         "ACTIVE",
 123         "FAILED",
 124         "REMOVE",
 125 };
 126
 127 /**
 128  * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
 129  * @pf: the i40e_pf created in command write
 130  * @seid: the seid the user put in
 131  **/
 132 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
 133 {
 134         struct rtnl_link_stats64 *nstat;
 135         struct i40e_mac_filter *f;
 136         struct i40e_vsi *vsi;
 137         int i;
 138
 139         vsi = i40e_dbg_find_vsi(pf, seid);
 140         if (!vsi) {
 141                 dev_info(&pf->pdev->dev,
 142                          "dump %d: seid not found\n", seid);
 143                 return;
 144         }
 145         dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
 146         if (vsi->netdev) {
 147                 struct net_device *nd = vsi->netdev;
 148
 149                 dev_info(&pf->pdev->dev, "    netdev: name = %s, state = %lu, flags = 0x%08x\n",
 150                          nd->name, nd->state, nd->flags);
 151                 dev_info(&pf->pdev->dev, "        features      = 0x%08lx\n",
 152                          (unsigned long int)nd->features);
 153                 dev_info(&pf->pdev->dev, "        hw_features   = 0x%08lx\n",
 154                          (unsigned long int)nd->hw_features);
 155                 dev_info(&pf->pdev->dev, "        vlan_features = 0x%08lx\n",
 156                          (unsigned long int)nd->vlan_features);
 157         }
 158         dev_info(&pf->pdev->dev,
 159                  "    vlgrp: & = %p\n", vsi->active_vlans);
 160         dev_info(&pf->pdev->dev,
 161                  "    state = %li flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
 162                  vsi->state, vsi->flags,
 163                  vsi->netdev_registered, vsi->current_netdev_flags);
 164         if (vsi == pf->vsi[pf->lan_vsi])
 165                 dev_info(&pf->pdev->dev, "    MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
 166                          pf->hw.mac.addr,
 167                          pf->hw.mac.san_addr,
 168                          pf->hw.mac.port_addr);
 169         list_for_each_entry(f, &vsi->mac_filter_list, list) {
 170                 dev_info(&pf->pdev->dev,
 171                          "    mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d, state %s\n",
 172                          f->macaddr, f->vlan, f->is_netdev, f->is_vf,
 173                          f->counter, i40e_filter_state_string[f->state]);
 174         }
 175         dev_info(&pf->pdev->dev, "    active_filters %d, promisc_threshold %d, overflow promisc %s\n",
 176                  vsi->active_filters, vsi->promisc_threshold,
 177                  (test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state) ?
 178                   "ON" : "OFF"));
 179         nstat = i40e_get_vsi_stats_struct(vsi);
 180         dev_info(&pf->pdev->dev,
 181                  "    net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
 182                  (unsigned long int)nstat->rx_packets,
 183                  (unsigned long int)nstat->rx_bytes,
 184                  (unsigned long int)nstat->rx_errors,
 185                  (unsigned long int)nstat->rx_dropped);
 186         dev_info(&pf->pdev->dev,
 187                  "    net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
 188                  (unsigned long int)nstat->tx_packets,
 189                  (unsigned long int)nstat->tx_bytes,
 190                  (unsigned long int)nstat->tx_errors,
 191                  (unsigned long int)nstat->tx_dropped);
 192         dev_info(&pf->pdev->dev,
 193                  "    net_stats: multicast = %lu, collisions = %lu\n",
 194                  (unsigned long int)nstat->multicast,
 195                  (unsigned long int)nstat->collisions);
 196         dev_info(&pf->pdev->dev,
 197                  "    net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
 198                  (unsigned long int)nstat->rx_length_errors,
 199                  (unsigned long int)nstat->rx_over_errors,
 200                  (unsigned long int)nstat->rx_crc_errors);
 201         dev_info(&pf->pdev->dev,
 202                  "    net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
 203                  (unsigned long int)nstat->rx_frame_errors,
 204                  (unsigned long int)nstat->rx_fifo_errors,
 205                  (unsigned long int)nstat->rx_missed_errors);
 206         dev_info(&pf->pdev->dev,
 207                  "    net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
 208                  (unsigned long int)nstat->tx_aborted_errors,
 209                  (unsigned long int)nstat->tx_carrier_errors,
 210                  (unsigned long int)nstat->tx_fifo_errors);
 211         dev_info(&pf->pdev->dev,
 212                  "    net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
 213                  (unsigned long int)nstat->tx_heartbeat_errors,
 214                  (unsigned long int)nstat->tx_window_errors);
 215         dev_info(&pf->pdev->dev,
 216                  "    net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
 217                  (unsigned long int)nstat->rx_compressed,
 218                  (unsigned long int)nstat->tx_compressed);
 219         dev_info(&pf->pdev->dev,
 220                  "    net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
 221                  (unsigned long int)vsi->net_stats_offsets.rx_packets,
 222                  (unsigned long int)vsi->net_stats_offsets.rx_bytes,
 223                  (unsigned long int)vsi->net_stats_offsets.rx_errors,
 224                  (unsigned long int)vsi->net_stats_offsets.rx_dropped);
 225         dev_info(&pf->pdev->dev,
 226                  "    net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
 227                  (unsigned long int)vsi->net_stats_offsets.tx_packets,
 228                  (unsigned long int)vsi->net_stats_offsets.tx_bytes,
 229                  (unsigned long int)vsi->net_stats_offsets.tx_errors,
 230                  (unsigned long int)vsi->net_stats_offsets.tx_dropped);
 231         dev_info(&pf->pdev->dev,
 232                  "    net_stats_offsets: multicast = %lu, collisions = %lu\n",
 233                  (unsigned long int)vsi->net_stats_offsets.multicast,
 234                  (unsigned long int)vsi->net_stats_offsets.collisions);
 235         dev_info(&pf->pdev->dev,
 236                  "    net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
 237                  (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
 238                  (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
 239                  (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
 240         dev_info(&pf->pdev->dev,
 241                  "    net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
 242                  (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
 243                  (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
 244                  (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
 245         dev_info(&pf->pdev->dev,
 246                  "    net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
 247                  (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
 248                  (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
 249                  (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
 250         dev_info(&pf->pdev->dev,
 251                  "    net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
 252                  (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
 253                  (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
 254         dev_info(&pf->pdev->dev,
 255                  "    net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
 256                  (unsigned long int)vsi->net_stats_offsets.rx_compressed,
 257                  (unsigned long int)vsi->net_stats_offsets.tx_compressed);
 258         dev_info(&pf->pdev->dev,
 259                  "    tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
 260                  vsi->tx_restart, vsi->tx_busy,
 261                  vsi->rx_buf_failed, vsi->rx_page_failed);
 262         rcu_read_lock();
 263         for (i = 0; i < vsi->num_queue_pairs; i++) {
 264                 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
 265
 266                 if (!rx_ring)
 267                         continue;
 268
 269                 dev_info(&pf->pdev->dev,
 270                          "    rx_rings[%i]: desc = %p\n",
 271                          i, rx_ring->desc);
 272                 dev_info(&pf->pdev->dev,
 273                          "    rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
 274                          i, rx_ring->dev,
 275                          rx_ring->netdev,
 276                          rx_ring->rx_bi);
 277                 dev_info(&pf->pdev->dev,
 278                          "    rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
 279                          i, rx_ring->state,
 280                          rx_ring->queue_index,
 281                          rx_ring->reg_idx);
 282                 dev_info(&pf->pdev->dev,
 283                          "    rx_rings[%i]: rx_buf_len = %d\n",
 284                          i, rx_ring->rx_buf_len);
 285                 dev_info(&pf->pdev->dev,
 286                          "    rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 287                          i,
 288                          rx_ring->next_to_use,
 289                          rx_ring->next_to_clean,
 290                          rx_ring->ring_active);
 291                 dev_info(&pf->pdev->dev,
 292                          "    rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
 293                          i, rx_ring->stats.packets,
 294                          rx_ring->stats.bytes,
 295                          rx_ring->rx_stats.non_eop_descs);
 296                 dev_info(&pf->pdev->dev,
 297                          "    rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
 298                          i,
 299                          rx_ring->rx_stats.alloc_page_failed,
 300                          rx_ring->rx_stats.alloc_buff_failed);
 301                 dev_info(&pf->pdev->dev,
 302                          "    rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
 303                          i,
 304                          rx_ring->rx_stats.realloc_count,
 305                          rx_ring->rx_stats.page_reuse_count);
 306                 dev_info(&pf->pdev->dev,
 307                          "    rx_rings[%i]: size = %i, dma = 0x%08lx\n",
 308                          i, rx_ring->size,
 309                          (unsigned long int)rx_ring->dma);
 310                 dev_info(&pf->pdev->dev,
 311                          "    rx_rings[%i]: vsi = %p, q_vector = %p\n",
 312                          i, rx_ring->vsi,
 313                          rx_ring->q_vector);
 314                 dev_info(&pf->pdev->dev,
 315                          "    rx_rings[%i]: rx_itr_setting = %d (%s)\n",
 316                          i, rx_ring->rx_itr_setting,
 317                          ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed");
 318         }
 319         for (i = 0; i < vsi->num_queue_pairs; i++) {
 320                 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
 321
 322                 if (!tx_ring)
 323                         continue;
 324
 325                 dev_info(&pf->pdev->dev,
 326                          "    tx_rings[%i]: desc = %p\n",
 327                          i, tx_ring->desc);
 328                 dev_info(&pf->pdev->dev,
 329                          "    tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
 330                          i, tx_ring->dev,
 331                          tx_ring->netdev,
 332                          tx_ring->tx_bi);
 333                 dev_info(&pf->pdev->dev,
 334                          "    tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
 335                          i, tx_ring->state,
 336                          tx_ring->queue_index,
 337                          tx_ring->reg_idx);
 338                 dev_info(&pf->pdev->dev,
 339                          "    tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 340                          i,
 341                          tx_ring->next_to_use,
 342                          tx_ring->next_to_clean,
 343                          tx_ring->ring_active);
 344                 dev_info(&pf->pdev->dev,
 345                          "    tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
 346                          i, tx_ring->stats.packets,
 347                          tx_ring->stats.bytes,
 348                          tx_ring->tx_stats.restart_queue);
 349                 dev_info(&pf->pdev->dev,
 350                          "    tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
 351                          i,
 352                          tx_ring->tx_stats.tx_busy,
 353                          tx_ring->tx_stats.tx_done_old);
 354                 dev_info(&pf->pdev->dev,
 355                          "    tx_rings[%i]: size = %i, dma = 0x%08lx\n",
 356                          i, tx_ring->size,
 357                          (unsigned long int)tx_ring->dma);
 358                 dev_info(&pf->pdev->dev,
 359                          "    tx_rings[%i]: vsi = %p, q_vector = %p\n",
 360                          i, tx_ring->vsi,
 361                          tx_ring->q_vector);
 362                 dev_info(&pf->pdev->dev,
 363                          "    tx_rings[%i]: DCB tc = %d\n",
 364                          i, tx_ring->dcb_tc);
 365                 dev_info(&pf->pdev->dev,
 366                          "    tx_rings[%i]: tx_itr_setting = %d (%s)\n",
 367                          i, tx_ring->tx_itr_setting,
 368                          ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed");
 369         }
 370         rcu_read_unlock();
 371         dev_info(&pf->pdev->dev,
 372                  "    work_limit = %d\n",
 373                  vsi->work_limit);
 374         dev_info(&pf->pdev->dev,
 375                  "    max_frame = %d, rx_buf_len = %d dtype = %d\n",
 376                  vsi->max_frame, vsi->rx_buf_len, 0);
 377         dev_info(&pf->pdev->dev,
 378                  "    num_q_vectors = %i, base_vector = %i\n",
 379                  vsi->num_q_vectors, vsi->base_vector);
 380         dev_info(&pf->pdev->dev,
 381                  "    seid = %d, id = %d, uplink_seid = %d\n",
 382                  vsi->seid, vsi->id, vsi->uplink_seid);
 383         dev_info(&pf->pdev->dev,
 384                  "    base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
 385                  vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
 386         dev_info(&pf->pdev->dev, "    type = %i\n", vsi->type);
 387         dev_info(&pf->pdev->dev,
 388                  "    info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
 389                  vsi->info.valid_sections, vsi->info.switch_id);
 390         dev_info(&pf->pdev->dev,
 391                  "    info: sw_reserved[] = 0x%02x 0x%02x\n",
 392                  vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
 393         dev_info(&pf->pdev->dev,
 394                  "    info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
 395                  vsi->info.sec_flags, vsi->info.sec_reserved);
 396         dev_info(&pf->pdev->dev,
 397                  "    info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
 398                  vsi->info.pvid, vsi->info.fcoe_pvid,
 399                  vsi->info.port_vlan_flags);
 400         dev_info(&pf->pdev->dev,
 401                  "    info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
 402                  vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
 403                  vsi->info.pvlan_reserved[2]);
 404         dev_info(&pf->pdev->dev,
 405                  "    info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
 406                  vsi->info.ingress_table, vsi->info.egress_table);
 407         dev_info(&pf->pdev->dev,
 408                  "    info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
 409                  vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
 410                  vsi->info.cas_pv_reserved);
 411         dev_info(&pf->pdev->dev,
 412                  "    info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 413                  vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
 414                  vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
 415                  vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
 416                  vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
 417         dev_info(&pf->pdev->dev,
 418                  "    info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 419                  vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
 420                  vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
 421                  vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
 422                  vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
 423         dev_info(&pf->pdev->dev,
 424                  "    info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 425                  vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
 426                  vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
 427                  vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
 428                  vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
 429         dev_info(&pf->pdev->dev,
 430                  "    info: queueing_opt_flags = 0x%02x  queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
 431                  vsi->info.queueing_opt_flags,
 432                  vsi->info.queueing_opt_reserved[0],
 433                  vsi->info.queueing_opt_reserved[1],
 434                  vsi->info.queueing_opt_reserved[2]);
 435         dev_info(&pf->pdev->dev,
 436                  "    info: up_enable_bits = 0x%02x\n",
 437                  vsi->info.up_enable_bits);
 438         dev_info(&pf->pdev->dev,
 439                  "    info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
 440                  vsi->info.sched_reserved, vsi->info.outer_up_table);
 441         dev_info(&pf->pdev->dev,
 442                  "    info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
 443                  vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
 444                  vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
 445                  vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
 446                  vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
 447         dev_info(&pf->pdev->dev,
 448                  "    info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 449                  vsi->info.qs_handle[0], vsi->info.qs_handle[1],
 450                  vsi->info.qs_handle[2], vsi->info.qs_handle[3],
 451                  vsi->info.qs_handle[4], vsi->info.qs_handle[5],
 452                  vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
 453         dev_info(&pf->pdev->dev,
 454                  "    info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
 455                  vsi->info.stat_counter_idx, vsi->info.sched_id);
 456         dev_info(&pf->pdev->dev,
 457                  "    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",
 458                  vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
 459                  vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
 460                  vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
 461                  vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
 462                  vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
 463                  vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
 464         if (vsi->back)
 465                 dev_info(&pf->pdev->dev, "    PF = %p\n", vsi->back);
 466         dev_info(&pf->pdev->dev, "    idx = %d\n", vsi->idx);
 467         dev_info(&pf->pdev->dev,
 468                  "    tc_config: numtc = %d, enabled_tc = 0x%x\n",
 469                  vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
 470         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 471                 dev_info(&pf->pdev->dev,
 472                          "    tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
 473                          i, vsi->tc_config.tc_info[i].qoffset,
 474                          vsi->tc_config.tc_info[i].qcount,
 475                          vsi->tc_config.tc_info[i].netdev_tc);
 476         }
 477         dev_info(&pf->pdev->dev,
 478                  "    bw: bw_limit = %d, bw_max_quanta = %d\n",
 479                  vsi->bw_limit, vsi->bw_max_quanta);
 480         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 481                 dev_info(&pf->pdev->dev,
 482                          "    bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
 483                          i, vsi->bw_ets_share_credits[i],
 484                          vsi->bw_ets_limit_credits[i],
 485                          vsi->bw_ets_max_quanta[i]);
 486         }
 487 #ifdef I40E_FCOE
 488         if (vsi->type == I40E_VSI_FCOE) {
 489                 dev_info(&pf->pdev->dev,
 490                          "    fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n",
 491                          vsi->fcoe_stats.rx_fcoe_packets,
 492                          vsi->fcoe_stats.rx_fcoe_dwords,
 493                          vsi->fcoe_stats.rx_fcoe_dropped);
 494                 dev_info(&pf->pdev->dev,
 495                          "    fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n",
 496                          vsi->fcoe_stats.tx_fcoe_packets,
 497                          vsi->fcoe_stats.tx_fcoe_dwords);
 498                 dev_info(&pf->pdev->dev,
 499                          "    fcoe_stats: bad_crc = %llu, last_error = %llu\n",
 500                          vsi->fcoe_stats.fcoe_bad_fccrc,
 501                          vsi->fcoe_stats.fcoe_last_error);
 502                 dev_info(&pf->pdev->dev, "    fcoe_stats: ddp_count = %llu\n",
 503                          vsi->fcoe_stats.fcoe_ddp_count);
 504         }
 505 #endif
 506 }
 507
 508 /**
 509  * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
 510  * @pf: the i40e_pf created in command write
 511  **/
 512 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
 513 {
 514         struct i40e_adminq_ring *ring;
 515         struct i40e_hw *hw = &pf->hw;
 516         char hdr[32];
 517         int i;
 518
 519         snprintf(hdr, sizeof(hdr), "%s %s:         ",
 520                  dev_driver_string(&pf->pdev->dev),
 521                  dev_name(&pf->pdev->dev));
 522
 523         /* first the send (command) ring, then the receive (event) ring */
 524         dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
 525         ring = &(hw->aq.asq);
 526         for (i = 0; i < ring->count; i++) {
 527                 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 528
 529                 dev_info(&pf->pdev->dev,
 530                          "   at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 531                          i, d->flags, d->opcode, d->datalen, d->retval,
 532                          d->cookie_high, d->cookie_low);
 533                 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 534                                16, 1, d->params.raw, 16, 0);
 535         }
 536
 537         dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
 538         ring = &(hw->aq.arq);
 539         for (i = 0; i < ring->count; i++) {
 540                 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 541
 542                 dev_info(&pf->pdev->dev,
 543                          "   ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 544                          i, d->flags, d->opcode, d->datalen, d->retval,
 545                          d->cookie_high, d->cookie_low);
 546                 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 547                                16, 1, d->params.raw, 16, 0);
 548         }
 549 }
 550
 551 /**
 552  * i40e_dbg_dump_desc - handles dump desc write into command datum
 553  * @cnt: number of arguments that the user supplied
 554  * @vsi_seid: vsi id entered by user
 555  * @ring_id: ring id entered by user
 556  * @desc_n: descriptor number entered by user
 557  * @pf: the i40e_pf created in command write
 558  * @is_rx_ring: true if rx, false if tx
 559  **/
 560 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
 561                                struct i40e_pf *pf, bool is_rx_ring)
 562 {
 563         struct i40e_tx_desc *txd;
 564         union i40e_rx_desc *rxd;
 565         struct i40e_ring *ring;
 566         struct i40e_vsi *vsi;
 567         int i;
 568
 569         vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 570         if (!vsi) {
 571                 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
 572                 return;
 573         }
 574         if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
 575                 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
 576                 return;
 577         }
 578         if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
 579                 dev_info(&pf->pdev->dev,
 580                          "descriptor rings have not been allocated for vsi %d\n",
 581                          vsi_seid);
 582                 return;
 583         }
 584
 585         ring = kmemdup(is_rx_ring
 586                        ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
 587                        sizeof(*ring), GFP_KERNEL);
 588         if (!ring)
 589                 return;
 590
 591         if (cnt == 2) {
 592                 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
 593                          vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
 594                 for (i = 0; i < ring->count; i++) {
 595                         if (!is_rx_ring) {
 596                                 txd = I40E_TX_DESC(ring, i);
 597                                 dev_info(&pf->pdev->dev,
 598                                          "   d[%03x] = 0x%016llx 0x%016llx\n",
 599                                          i, txd->buffer_addr,
 600                                          txd->cmd_type_offset_bsz);
 601                         } else {
 602                                 rxd = I40E_RX_DESC(ring, i);
 603                                 dev_info(&pf->pdev->dev,
 604                                          "   d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
 605                                          i, rxd->read.pkt_addr,
 606                                          rxd->read.hdr_addr,
 607                                          rxd->read.rsvd1, rxd->read.rsvd2);
 608                         }
 609                 }
 610         } else if (cnt == 3) {
 611                 if (desc_n >= ring->count || desc_n < 0) {
 612                         dev_info(&pf->pdev->dev,
 613                                  "descriptor %d not found\n", desc_n);
 614                         goto out;
 615                 }
 616                 if (!is_rx_ring) {
 617                         txd = I40E_TX_DESC(ring, desc_n);
 618                         dev_info(&pf->pdev->dev,
 619                                  "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 620                                  vsi_seid, ring_id, desc_n,
 621                                  txd->buffer_addr, txd->cmd_type_offset_bsz);
 622                 } else {
 623                         rxd = I40E_RX_DESC(ring, desc_n);
 624                         dev_info(&pf->pdev->dev,
 625                                  "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
 626                                  vsi_seid, ring_id, desc_n,
 627                                  rxd->read.pkt_addr, rxd->read.hdr_addr,
 628                                  rxd->read.rsvd1, rxd->read.rsvd2);
 629                 }
 630         } else {
 631                 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
 632         }
 633
 634 out:
 635         kfree(ring);
 636 }
 637
 638 /**
 639  * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
 640  * @pf: the i40e_pf created in command write
 641  **/
 642 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
 643 {
 644         int i;
 645
 646         for (i = 0; i < pf->num_alloc_vsi; i++)
 647                 if (pf->vsi[i])
 648                         dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
 649                                  i, pf->vsi[i]->seid);
 650 }
 651
 652 /**
 653  * i40e_dbg_dump_stats - handles dump stats write into command datum
 654  * @pf: the i40e_pf created in command write
 655  * @estats: the eth stats structure to be dumped
 656  **/
 657 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
 658                                     struct i40e_eth_stats *estats)
 659 {
 660         dev_info(&pf->pdev->dev, "  ethstats:\n");
 661         dev_info(&pf->pdev->dev,
 662                  "    rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
 663                 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
 664         dev_info(&pf->pdev->dev,
 665                  "    rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
 666                  estats->rx_broadcast, estats->rx_discards);
 667         dev_info(&pf->pdev->dev,
 668                  "    rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
 669                  estats->rx_unknown_protocol, estats->tx_bytes);
 670         dev_info(&pf->pdev->dev,
 671                  "    tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
 672                  estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
 673         dev_info(&pf->pdev->dev,
 674                  "    tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
 675                  estats->tx_discards, estats->tx_errors);
 676 }
 677
 678 /**
 679  * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
 680  * @pf: the i40e_pf created in command write
 681  * @seid: the seid the user put in
 682  **/
 683 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
 684 {
 685         struct i40e_veb *veb;
 686
 687         veb = i40e_dbg_find_veb(pf, seid);
 688         if (!veb) {
 689                 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
 690                 return;
 691         }
 692         dev_info(&pf->pdev->dev,
 693                  "veb idx=%d,%d stats_ic=%d  seid=%d uplink=%d mode=%s\n",
 694                  veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
 695                  veb->uplink_seid,
 696                  veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
 697         i40e_dbg_dump_eth_stats(pf, &veb->stats);
 698 }
 699
 700 /**
 701  * i40e_dbg_dump_veb_all - dumps all known veb's stats
 702  * @pf: the i40e_pf created in command write
 703  **/
 704 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
 705 {
 706         struct i40e_veb *veb;
 707         int i;
 708
 709         for (i = 0; i < I40E_MAX_VEB; i++) {
 710                 veb = pf->veb[i];
 711                 if (veb)
 712                         i40e_dbg_dump_veb_seid(pf, veb->seid);
 713         }
 714 }
 715
 716 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
 717 /**
 718  * i40e_dbg_command_write - write into command datum
 719  * @filp: the opened file
 720  * @buffer: where to find the user's data
 721  * @count: the length of the user's data
 722  * @ppos: file position offset
 723  **/
 724 static ssize_t i40e_dbg_command_write(struct file *filp,
 725                                       const char __user *buffer,
 726                                       size_t count, loff_t *ppos)
 727 {
 728         struct i40e_pf *pf = filp->private_data;
 729         char *cmd_buf, *cmd_buf_tmp;
 730         int bytes_not_copied;
 731         struct i40e_vsi *vsi;
 732         int vsi_seid;
 733         int veb_seid;
 734         int cnt;
 735
 736         /* don't allow partial writes */
 737         if (*ppos != 0)
 738                 return 0;
 739
 740         cmd_buf = kzalloc(count + 1, GFP_KERNEL);
 741         if (!cmd_buf)
 742                 return count;
 743         bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
 744         if (bytes_not_copied) {
 745                 kfree(cmd_buf);
 746                 return -EFAULT;
 747         }
 748         cmd_buf[count] = '\0';
 749
 750         cmd_buf_tmp = strchr(cmd_buf, '\n');
 751         if (cmd_buf_tmp) {
 752                 *cmd_buf_tmp = '\0';
 753                 count = cmd_buf_tmp - cmd_buf + 1;
 754         }
 755
 756         if (strncmp(cmd_buf, "add vsi", 7) == 0) {
 757                 vsi_seid = -1;
 758                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 759                 if (cnt == 0) {
 760                         /* default to PF VSI */
 761                         vsi_seid = pf->vsi[pf->lan_vsi]->seid;
 762                 } else if (vsi_seid < 0) {
 763                         dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
 764                                  vsi_seid);
 765                         goto command_write_done;
 766                 }
 767
 768                 /* By default we are in VEPA mode, if this is the first VF/VMDq
 769                  * VSI to be added switch to VEB mode.
 770                  */
 771                 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
 772                         pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
 773                         i40e_do_reset_safe(pf,
 774                                            BIT_ULL(__I40E_PF_RESET_REQUESTED));
 775                 }
 776
 777                 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
 778                 if (vsi)
 779                         dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
 780                                  vsi->seid, vsi->uplink_seid);
 781                 else
 782                         dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
 783
 784         } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
 785                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 786                 if (cnt != 1) {
 787                         dev_info(&pf->pdev->dev,
 788                                  "del vsi: bad command string, cnt=%d\n",
 789                                  cnt);
 790                         goto command_write_done;
 791                 }
 792                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 793                 if (!vsi) {
 794                         dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
 795                                  vsi_seid);
 796                         goto command_write_done;
 797                 }
 798
 799                 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
 800                 i40e_vsi_release(vsi);
 801
 802         } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
 803                 struct i40e_veb *veb;
 804                 int uplink_seid, i;
 805
 806                 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
 807                 if (cnt != 2) {
 808                         dev_info(&pf->pdev->dev,
 809                                  "add relay: bad command string, cnt=%d\n",
 810                                  cnt);
 811                         goto command_write_done;
 812                 } else if (uplink_seid < 0) {
 813                         dev_info(&pf->pdev->dev,
 814                                  "add relay %d: bad uplink seid\n",
 815                                  uplink_seid);
 816                         goto command_write_done;
 817                 }
 818
 819                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 820                 if (!vsi) {
 821                         dev_info(&pf->pdev->dev,
 822                                  "add relay: VSI %d not found\n", vsi_seid);
 823                         goto command_write_done;
 824                 }
 825
 826                 for (i = 0; i < I40E_MAX_VEB; i++)
 827                         if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
 828                                 break;
 829                 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
 830                     uplink_seid != pf->mac_seid) {
 831                         dev_info(&pf->pdev->dev,
 832                                  "add relay: relay uplink %d not found\n",
 833                                  uplink_seid);
 834                         goto command_write_done;
 835                 }
 836
 837                 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
 838                                      vsi->tc_config.enabled_tc);
 839                 if (veb)
 840                         dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
 841                 else
 842                         dev_info(&pf->pdev->dev, "add relay failed\n");
 843
 844         } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
 845                 int i;
 846                 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
 847                 if (cnt != 1) {
 848                         dev_info(&pf->pdev->dev,
 849                                  "del relay: bad command string, cnt=%d\n",
 850                                  cnt);
 851                         goto command_write_done;
 852                 } else if (veb_seid < 0) {
 853                         dev_info(&pf->pdev->dev,
 854                                  "del relay %d: bad relay seid\n", veb_seid);
 855                         goto command_write_done;
 856                 }
 857
 858                 /* find the veb */
 859                 for (i = 0; i < I40E_MAX_VEB; i++)
 860                         if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
 861                                 break;
 862                 if (i >= I40E_MAX_VEB) {
 863                         dev_info(&pf->pdev->dev,
 864                                  "del relay: relay %d not found\n", veb_seid);
 865                         goto command_write_done;
 866                 }
 867
 868                 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
 869                 i40e_veb_release(pf->veb[i]);
 870
 871         } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
 872                 struct i40e_mac_filter *f;
 873                 int vlan = 0;
 874                 u8 ma[6];
 875                 int ret;
 876
 877                 cnt = sscanf(&cmd_buf[11],
 878                              "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
 879                              &vsi_seid,
 880                              &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
 881                              &vlan);
 882                 if (cnt == 7) {
 883                         vlan = 0;
 884                 } else if (cnt != 8) {
 885                         dev_info(&pf->pdev->dev,
 886                                  "add macaddr: bad command string, cnt=%d\n",
 887                                  cnt);
 888                         goto command_write_done;
 889                 }
 890
 891                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 892                 if (!vsi) {
 893                         dev_info(&pf->pdev->dev,
 894                                  "add macaddr: VSI %d not found\n", vsi_seid);
 895                         goto command_write_done;
 896                 }
 897
 898                 spin_lock_bh(&vsi->mac_filter_list_lock);
 899                 f = i40e_add_filter(vsi, ma, vlan, false, false);
 900                 spin_unlock_bh(&vsi->mac_filter_list_lock);
 901                 ret = i40e_sync_vsi_filters(vsi);
 902                 if (f && !ret)
 903                         dev_info(&pf->pdev->dev,
 904                                  "add macaddr: %pM vlan=%d added to VSI %d\n",
 905                                  ma, vlan, vsi_seid);
 906                 else
 907                         dev_info(&pf->pdev->dev,
 908                                  "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
 909                                  ma, vlan, vsi_seid, f, ret);
 910
 911         } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
 912                 int vlan = 0;
 913                 u8 ma[6];
 914                 int ret;
 915
 916                 cnt = sscanf(&cmd_buf[11],
 917                              "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
 918                              &vsi_seid,
 919                              &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
 920                              &vlan);
 921                 if (cnt == 7) {
 922                         vlan = 0;
 923                 } else if (cnt != 8) {
 924                         dev_info(&pf->pdev->dev,
 925                                  "del macaddr: bad command string, cnt=%d\n",
 926                                  cnt);
 927                         goto command_write_done;
 928                 }
 929
 930                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 931                 if (!vsi) {
 932                         dev_info(&pf->pdev->dev,
 933                                  "del macaddr: VSI %d not found\n", vsi_seid);
 934                         goto command_write_done;
 935                 }
 936
 937                 spin_lock_bh(&vsi->mac_filter_list_lock);
 938                 i40e_del_filter(vsi, ma, vlan, false, false);
 939                 spin_unlock_bh(&vsi->mac_filter_list_lock);
 940                 ret = i40e_sync_vsi_filters(vsi);
 941                 if (!ret)
 942                         dev_info(&pf->pdev->dev,
 943                                  "del macaddr: %pM vlan=%d removed from VSI %d\n",
 944                                  ma, vlan, vsi_seid);
 945                 else
 946                         dev_info(&pf->pdev->dev,
 947                                  "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
 948                                  ma, vlan, vsi_seid, ret);
 949
 950         } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
 951                 i40e_status ret;
 952                 u16 vid;
 953                 unsigned int v;
 954
 955                 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
 956                 if (cnt != 2) {
 957                         dev_info(&pf->pdev->dev,
 958                                  "add pvid: bad command string, cnt=%d\n", cnt);
 959                         goto command_write_done;
 960                 }
 961
 962                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 963                 if (!vsi) {
 964                         dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
 965                                  vsi_seid);
 966                         goto command_write_done;
 967                 }
 968
 969                 vid = v;
 970                 ret = i40e_vsi_add_pvid(vsi, vid);
 971                 if (!ret)
 972                         dev_info(&pf->pdev->dev,
 973                                  "add pvid: %d added to VSI %d\n",
 974                                  vid, vsi_seid);
 975                 else
 976                         dev_info(&pf->pdev->dev,
 977                                  "add pvid: %d to VSI %d failed, ret=%d\n",
 978                                  vid, vsi_seid, ret);
 979
 980         } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
 981
 982                 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 983                 if (cnt != 1) {
 984                         dev_info(&pf->pdev->dev,
 985                                  "del pvid: bad command string, cnt=%d\n",
 986                                  cnt);
 987                         goto command_write_done;
 988                 }
 989
 990                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 991                 if (!vsi) {
 992                         dev_info(&pf->pdev->dev,
 993                                  "del pvid: VSI %d not found\n", vsi_seid);
 994                         goto command_write_done;
 995                 }
 996
 997                 i40e_vsi_remove_pvid(vsi);
 998                 dev_info(&pf->pdev->dev,
 999                          "del pvid: removed from VSI %d\n", vsi_seid);
1000
1001         } else if (strncmp(cmd_buf, "dump", 4) == 0) {
1002                 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1003                         i40e_fetch_switch_configuration(pf, true);
1004                 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1005                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1006                         if (cnt > 0)
1007                                 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1008                         else
1009                                 i40e_dbg_dump_vsi_no_seid(pf);
1010                 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1011                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1012                         if (cnt > 0)
1013                                 i40e_dbg_dump_veb_seid(pf, vsi_seid);
1014                         else
1015                                 i40e_dbg_dump_veb_all(pf);
1016                 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1017                         int ring_id, desc_n;
1018                         if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1019                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1020                                              &vsi_seid, &ring_id, &desc_n);
1021                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1022                                                    desc_n, pf, true);
1023                         } else if (strncmp(&cmd_buf[10], "tx", 2)
1024                                         == 0) {
1025                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
1026                                              &vsi_seid, &ring_id, &desc_n);
1027                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1028                                                    desc_n, pf, false);
1029                         } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1030                                 i40e_dbg_dump_aq_desc(pf);
1031                         } else {
1032                                 dev_info(&pf->pdev->dev,
1033                                          "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1034                                 dev_info(&pf->pdev->dev,
1035                                          "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1036                                 dev_info(&pf->pdev->dev, "dump desc aq\n");
1037                         }
1038                 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1039                         dev_info(&pf->pdev->dev,
1040                                  "core reset count: %d\n", pf->corer_count);
1041                         dev_info(&pf->pdev->dev,
1042                                  "global reset count: %d\n", pf->globr_count);
1043                         dev_info(&pf->pdev->dev,
1044                                  "emp reset count: %d\n", pf->empr_count);
1045                         dev_info(&pf->pdev->dev,
1046                                  "pf reset count: %d\n", pf->pfr_count);
1047                         dev_info(&pf->pdev->dev,
1048                                  "pf tx sluggish count: %d\n",
1049                                  pf->tx_sluggish_count);
1050                 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1051                         struct i40e_aqc_query_port_ets_config_resp *bw_data;
1052                         struct i40e_dcbx_config *cfg =
1053                                                 &pf->hw.local_dcbx_config;
1054                         struct i40e_dcbx_config *r_cfg =
1055                                                 &pf->hw.remote_dcbx_config;
1056                         int i, ret;
1057                         u32 switch_id;
1058
1059                         bw_data = kzalloc(sizeof(
1060                                     struct i40e_aqc_query_port_ets_config_resp),
1061                                           GFP_KERNEL);
1062                         if (!bw_data) {
1063                                 ret = -ENOMEM;
1064                                 goto command_write_done;
1065                         }
1066
1067                         vsi = pf->vsi[pf->lan_vsi];
1068                         switch_id =
1069                                 vsi->info.switch_id & I40E_AQ_VSI_SW_ID_MASK;
1070
1071                         ret = i40e_aq_query_port_ets_config(&pf->hw,
1072                                                             switch_id,
1073                                                             bw_data, NULL);
1074                         if (ret) {
1075                                 dev_info(&pf->pdev->dev,
1076                                          "Query Port ETS Config AQ command failed =0x%x\n",
1077                                          pf->hw.aq.asq_last_status);
1078                                 kfree(bw_data);
1079                                 bw_data = NULL;
1080                                 goto command_write_done;
1081                         }
1082                         dev_info(&pf->pdev->dev,
1083                                  "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1084                                  bw_data->tc_valid_bits,
1085                                  bw_data->tc_strict_priority_bits,
1086                                  le16_to_cpu(bw_data->tc_bw_max[0]),
1087                                  le16_to_cpu(bw_data->tc_bw_max[1]));
1088                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1089                                 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1090                                          bw_data->tc_bw_share_credits[i],
1091                                          le16_to_cpu(bw_data->tc_bw_limits[i]));
1092                         }
1093
1094                         kfree(bw_data);
1095                         bw_data = NULL;
1096
1097                         dev_info(&pf->pdev->dev,
1098                                  "port dcbx_mode=%d\n", cfg->dcbx_mode);
1099                         dev_info(&pf->pdev->dev,
1100                                  "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1101                                  cfg->etscfg.willing, cfg->etscfg.cbs,
1102                                  cfg->etscfg.maxtcs);
1103                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1104                                 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1105                                          i, cfg->etscfg.prioritytable[i],
1106                                          cfg->etscfg.tcbwtable[i],
1107                                          cfg->etscfg.tsatable[i]);
1108                         }
1109                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1110                                 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1111                                          i, cfg->etsrec.prioritytable[i],
1112                                          cfg->etsrec.tcbwtable[i],
1113                                          cfg->etsrec.tsatable[i]);
1114                         }
1115                         dev_info(&pf->pdev->dev,
1116                                  "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1117                                  cfg->pfc.willing, cfg->pfc.mbc,
1118                                  cfg->pfc.pfccap, cfg->pfc.pfcenable);
1119                         dev_info(&pf->pdev->dev,
1120                                  "port app_table: num_apps=%d\n", cfg->numapps);
1121                         for (i = 0; i < cfg->numapps; i++) {
1122                                 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1123                                          i, cfg->app[i].priority,
1124                                          cfg->app[i].selector,
1125                                          cfg->app[i].protocolid);
1126                         }
1127                         /* Peer TLV DCBX data */
1128                         dev_info(&pf->pdev->dev,
1129                                  "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1130                                  r_cfg->etscfg.willing,
1131                                  r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1132                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1133                                 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1134                                          i, r_cfg->etscfg.prioritytable[i],
1135                                          r_cfg->etscfg.tcbwtable[i],
1136                                          r_cfg->etscfg.tsatable[i]);
1137                         }
1138                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1139                                 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1140                                          i, r_cfg->etsrec.prioritytable[i],
1141                                          r_cfg->etsrec.tcbwtable[i],
1142                                          r_cfg->etsrec.tsatable[i]);
1143                         }
1144                         dev_info(&pf->pdev->dev,
1145                                  "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1146                                  r_cfg->pfc.willing,
1147                                  r_cfg->pfc.mbc,
1148                                  r_cfg->pfc.pfccap,
1149                                  r_cfg->pfc.pfcenable);
1150                         dev_info(&pf->pdev->dev,
1151                                  "remote port app_table: num_apps=%d\n",
1152                                  r_cfg->numapps);
1153                         for (i = 0; i < r_cfg->numapps; i++) {
1154                                 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1155                                          i, r_cfg->app[i].priority,
1156                                          r_cfg->app[i].selector,
1157                                          r_cfg->app[i].protocolid);
1158                         }
1159                 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1160                         int cluster_id, table_id;
1161                         int index, ret;
1162                         u16 buff_len = 4096;
1163                         u32 next_index;
1164                         u8 next_table;
1165                         u8 *buff;
1166                         u16 rlen;
1167
1168                         cnt = sscanf(&cmd_buf[18], "%i %i %i",
1169                                      &cluster_id, &table_id, &index);
1170                         if (cnt != 3) {
1171                                 dev_info(&pf->pdev->dev,
1172                                          "dump debug fwdata <cluster_id> <table_id> <index>\n");
1173                                 goto command_write_done;
1174                         }
1175
1176                         dev_info(&pf->pdev->dev,
1177                                  "AQ debug dump fwdata params %x %x %x %x\n",
1178                                  cluster_id, table_id, index, buff_len);
1179                         buff = kzalloc(buff_len, GFP_KERNEL);
1180                         if (!buff)
1181                                 goto command_write_done;
1182
1183                         ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1184                                                  index, buff_len, buff, &rlen,
1185                                                  &next_table, &next_index,
1186                                                  NULL);
1187                         if (ret) {
1188                                 dev_info(&pf->pdev->dev,
1189                                          "debug dump fwdata AQ Failed %d 0x%x\n",
1190                                          ret, pf->hw.aq.asq_last_status);
1191                                 kfree(buff);
1192                                 buff = NULL;
1193                                 goto command_write_done;
1194                         }
1195                         dev_info(&pf->pdev->dev,
1196                                  "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1197                                  rlen, next_table, next_index);
1198                         print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1199                                        DUMP_PREFIX_OFFSET, 16, 1,
1200                                        buff, rlen, true);
1201                         kfree(buff);
1202                         buff = NULL;
1203                 } else {
1204                         dev_info(&pf->pdev->dev,
1205                                  "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1206                         dev_info(&pf->pdev->dev, "dump switch\n");
1207                         dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1208                         dev_info(&pf->pdev->dev, "dump reset stats\n");
1209                         dev_info(&pf->pdev->dev, "dump port\n");
1210                         dev_info(&pf->pdev->dev,
1211                                  "dump debug fwdata <cluster_id> <table_id> <index>\n");
1212                 }
1213
1214         } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1215                 u32 level;
1216                 cnt = sscanf(&cmd_buf[10], "%i", &level);
1217                 if (cnt) {
1218                         if (I40E_DEBUG_USER & level) {
1219                                 pf->hw.debug_mask = level;
1220                                 dev_info(&pf->pdev->dev,
1221                                          "set hw.debug_mask = 0x%08x\n",
1222                                          pf->hw.debug_mask);
1223                         }
1224                         pf->msg_enable = level;
1225                         dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1226                                  pf->msg_enable);
1227                 } else {
1228                         dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1229                                  pf->msg_enable);
1230                 }
1231         } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1232                 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1233                 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1234
1235         } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1236                 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1237                 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1238
1239         } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1240                 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1241                 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1242
1243         } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1244                 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1245                 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
1246
1247         } else if (strncmp(cmd_buf, "read", 4) == 0) {
1248                 u32 address;
1249                 u32 value;
1250
1251                 cnt = sscanf(&cmd_buf[4], "%i", &address);
1252                 if (cnt != 1) {
1253                         dev_info(&pf->pdev->dev, "read <reg>\n");
1254                         goto command_write_done;
1255                 }
1256
1257                 /* check the range on address */
1258                 if (address > (pf->ioremap_len - sizeof(u32))) {
1259                         dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1260                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1261                         goto command_write_done;
1262                 }
1263
1264                 value = rd32(&pf->hw, address);
1265                 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1266                          address, value);
1267
1268         } else if (strncmp(cmd_buf, "write", 5) == 0) {
1269                 u32 address, value;
1270
1271                 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1272                 if (cnt != 2) {
1273                         dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1274                         goto command_write_done;
1275                 }
1276
1277                 /* check the range on address */
1278                 if (address > (pf->ioremap_len - sizeof(u32))) {
1279                         dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1280                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1281                         goto command_write_done;
1282                 }
1283                 wr32(&pf->hw, address, value);
1284                 value = rd32(&pf->hw, address);
1285                 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1286                          address, value);
1287         } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1288                 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1289                         cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1290                         if (cnt == 0) {
1291                                 int i;
1292
1293                                 for (i = 0; i < pf->num_alloc_vsi; i++)
1294                                         i40e_vsi_reset_stats(pf->vsi[i]);
1295                                 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1296                         } else if (cnt == 1) {
1297                                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1298                                 if (!vsi) {
1299                                         dev_info(&pf->pdev->dev,
1300                                                  "clear_stats vsi: bad vsi %d\n",
1301                                                  vsi_seid);
1302                                         goto command_write_done;
1303                                 }
1304                                 i40e_vsi_reset_stats(vsi);
1305                                 dev_info(&pf->pdev->dev,
1306                                          "vsi clear stats called for vsi %d\n",
1307                                          vsi_seid);
1308                         } else {
1309                                 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1310                         }
1311                 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1312                         if (pf->hw.partition_id == 1) {
1313                                 i40e_pf_reset_stats(pf);
1314                                 dev_info(&pf->pdev->dev, "port stats cleared\n");
1315                         } else {
1316                                 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1317                         }
1318                 } else {
1319                         dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1320                 }
1321         } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1322                 struct i40e_aq_desc *desc;
1323                 i40e_status ret;
1324
1325                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1326                 if (!desc)
1327                         goto command_write_done;
1328                 cnt = sscanf(&cmd_buf[11],
1329                              "%hi %hi %hi %hi %i %i %i %i %i %i",
1330                              &desc->flags,
1331                              &desc->opcode, &desc->datalen, &desc->retval,
1332                              &desc->cookie_high, &desc->cookie_low,
1333                              &desc->params.internal.param0,
1334                              &desc->params.internal.param1,
1335                              &desc->params.internal.param2,
1336                              &desc->params.internal.param3);
1337                 if (cnt != 10) {
1338                         dev_info(&pf->pdev->dev,
1339                                  "send aq_cmd: bad command string, cnt=%d\n",
1340                                  cnt);
1341                         kfree(desc);
1342                         desc = NULL;
1343                         goto command_write_done;
1344                 }
1345                 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1346                 if (!ret) {
1347                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1348                 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1349                         dev_info(&pf->pdev->dev,
1350                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1351                                  desc->opcode, pf->hw.aq.asq_last_status);
1352                 } else {
1353                         dev_info(&pf->pdev->dev,
1354                                  "AQ command send failed Opcode %x Status: %d\n",
1355                                  desc->opcode, ret);
1356                 }
1357                 dev_info(&pf->pdev->dev,
1358                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1359                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1360                          desc->cookie_high, desc->cookie_low,
1361                          desc->params.internal.param0,
1362                          desc->params.internal.param1,
1363                          desc->params.internal.param2,
1364                          desc->params.internal.param3);
1365                 kfree(desc);
1366                 desc = NULL;
1367         } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1368                 struct i40e_aq_desc *desc;
1369                 i40e_status ret;
1370                 u16 buffer_len;
1371                 u8 *buff;
1372
1373                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1374                 if (!desc)
1375                         goto command_write_done;
1376                 cnt = sscanf(&cmd_buf[20],
1377                              "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1378                              &desc->flags,
1379                              &desc->opcode, &desc->datalen, &desc->retval,
1380                              &desc->cookie_high, &desc->cookie_low,
1381                              &desc->params.internal.param0,
1382                              &desc->params.internal.param1,
1383                              &desc->params.internal.param2,
1384                              &desc->params.internal.param3,
1385                              &buffer_len);
1386                 if (cnt != 11) {
1387                         dev_info(&pf->pdev->dev,
1388                                  "send indirect aq_cmd: bad command string, cnt=%d\n",
1389                                  cnt);
1390                         kfree(desc);
1391                         desc = NULL;
1392                         goto command_write_done;
1393                 }
1394                 /* Just stub a buffer big enough in case user messed up */
1395                 if (buffer_len == 0)
1396                         buffer_len = 1280;
1397
1398                 buff = kzalloc(buffer_len, GFP_KERNEL);
1399                 if (!buff) {
1400                         kfree(desc);
1401                         desc = NULL;
1402                         goto command_write_done;
1403                 }
1404                 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1405                 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1406                                             buffer_len, NULL);
1407                 if (!ret) {
1408                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1409                 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1410                         dev_info(&pf->pdev->dev,
1411                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1412                                  desc->opcode, pf->hw.aq.asq_last_status);
1413                 } else {
1414                         dev_info(&pf->pdev->dev,
1415                                  "AQ command send failed Opcode %x Status: %d\n",
1416                                  desc->opcode, ret);
1417                 }
1418                 dev_info(&pf->pdev->dev,
1419                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1420                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1421                          desc->cookie_high, desc->cookie_low,
1422                          desc->params.internal.param0,
1423                          desc->params.internal.param1,
1424                          desc->params.internal.param2,
1425                          desc->params.internal.param3);
1426                 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1427                                DUMP_PREFIX_OFFSET, 16, 1,
1428                                buff, buffer_len, true);
1429                 kfree(buff);
1430                 buff = NULL;
1431                 kfree(desc);
1432                 desc = NULL;
1433         } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1434                 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1435                          i40e_get_current_fd_count(pf));
1436         } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1437                 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1438                         int ret;
1439
1440                         ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1441                         if (ret) {
1442                                 dev_info(&pf->pdev->dev,
1443                                          "Stop LLDP AQ command failed =0x%x\n",
1444                                          pf->hw.aq.asq_last_status);
1445                                 goto command_write_done;
1446                         }
1447                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1448                                                 pf->hw.mac.addr,
1449                                                 I40E_ETH_P_LLDP, 0,
1450                                                 pf->vsi[pf->lan_vsi]->seid,
1451                                                 0, true, NULL, NULL);
1452                         if (ret) {
1453                                 dev_info(&pf->pdev->dev,
1454                                         "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1455                                         __func__, pf->hw.aq.asq_last_status);
1456                                 goto command_write_done;
1457                         }
1458 #ifdef CONFIG_I40E_DCB
1459                         pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1460                                        DCB_CAP_DCBX_VER_IEEE;
1461 #endif /* CONFIG_I40E_DCB */
1462                 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1463                         int ret;
1464
1465                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1466                                                 pf->hw.mac.addr,
1467                                                 I40E_ETH_P_LLDP, 0,
1468                                                 pf->vsi[pf->lan_vsi]->seid,
1469                                                 0, false, NULL, NULL);
1470                         if (ret) {
1471                                 dev_info(&pf->pdev->dev,
1472                                         "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1473                                         __func__, pf->hw.aq.asq_last_status);
1474                                 /* Continue and start FW LLDP anyways */
1475                         }
1476
1477                         ret = i40e_aq_start_lldp(&pf->hw, NULL);
1478                         if (ret) {
1479                                 dev_info(&pf->pdev->dev,
1480                                          "Start LLDP AQ command failed =0x%x\n",
1481                                          pf->hw.aq.asq_last_status);
1482                                 goto command_write_done;
1483                         }
1484 #ifdef CONFIG_I40E_DCB
1485                         pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1486                                        DCB_CAP_DCBX_VER_IEEE;
1487 #endif /* CONFIG_I40E_DCB */
1488                 } else if (strncmp(&cmd_buf[5],
1489                            "get local", 9) == 0) {
1490                         u16 llen, rlen;
1491                         int ret;
1492                         u8 *buff;
1493
1494                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1495                         if (!buff)
1496                                 goto command_write_done;
1497
1498                         ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1499                                                    I40E_AQ_LLDP_MIB_LOCAL,
1500                                                    buff, I40E_LLDPDU_SIZE,
1501                                                    &llen, &rlen, NULL);
1502                         if (ret) {
1503                                 dev_info(&pf->pdev->dev,
1504                                          "Get LLDP MIB (local) AQ command failed =0x%x\n",
1505                                          pf->hw.aq.asq_last_status);
1506                                 kfree(buff);
1507                                 buff = NULL;
1508                                 goto command_write_done;
1509                         }
1510                         dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1511                         print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1512                                        DUMP_PREFIX_OFFSET, 16, 1,
1513                                        buff, I40E_LLDPDU_SIZE, true);
1514                         kfree(buff);
1515                         buff = NULL;
1516                 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1517                         u16 llen, rlen;
1518                         int ret;
1519                         u8 *buff;
1520
1521                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1522                         if (!buff)
1523                                 goto command_write_done;
1524
1525                         ret = i40e_aq_get_lldp_mib(&pf->hw,
1526                                         I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1527                                         I40E_AQ_LLDP_MIB_REMOTE,
1528                                         buff, I40E_LLDPDU_SIZE,
1529                                         &llen, &rlen, NULL);
1530                         if (ret) {
1531                                 dev_info(&pf->pdev->dev,
1532                                          "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1533                                          pf->hw.aq.asq_last_status);
1534                                 kfree(buff);
1535                                 buff = NULL;
1536                                 goto command_write_done;
1537                         }
1538                         dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1539                         print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1540                                        DUMP_PREFIX_OFFSET, 16, 1,
1541                                        buff, I40E_LLDPDU_SIZE, true);
1542                         kfree(buff);
1543                         buff = NULL;
1544                 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1545                         int ret;
1546
1547                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1548                                                                 true, NULL);
1549                         if (ret) {
1550                                 dev_info(&pf->pdev->dev,
1551                                          "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1552                                          pf->hw.aq.asq_last_status);
1553                                 goto command_write_done;
1554                         }
1555                 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1556                         int ret;
1557
1558                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1559                                                                 false, NULL);
1560                         if (ret) {
1561                                 dev_info(&pf->pdev->dev,
1562                                          "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1563                                          pf->hw.aq.asq_last_status);
1564                                 goto command_write_done;
1565                         }
1566                 }
1567         } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1568                 u16 buffer_len, bytes;
1569                 u16 module;
1570                 u32 offset;
1571                 u16 *buff;
1572                 int ret;
1573
1574                 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1575                              &module, &offset, &buffer_len);
1576                 if (cnt == 0) {
1577                         module = 0;
1578                         offset = 0;
1579                         buffer_len = 0;
1580                 } else if (cnt == 1) {
1581                         offset = 0;
1582                         buffer_len = 0;
1583                 } else if (cnt == 2) {
1584                         buffer_len = 0;
1585                 } else if (cnt > 3) {
1586                         dev_info(&pf->pdev->dev,
1587                                  "nvm read: bad command string, cnt=%d\n", cnt);
1588                         goto command_write_done;
1589                 }
1590
1591                 /* set the max length */
1592                 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1593
1594                 bytes = 2 * buffer_len;
1595
1596                 /* read at least 1k bytes, no more than 4kB */
1597                 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1598                 buff = kzalloc(bytes, GFP_KERNEL);
1599                 if (!buff)
1600                         goto command_write_done;
1601
1602                 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1603                 if (ret) {
1604                         dev_info(&pf->pdev->dev,
1605                                  "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1606                                  ret, pf->hw.aq.asq_last_status);
1607                         kfree(buff);
1608                         goto command_write_done;
1609                 }
1610
1611                 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1612                                        bytes, (u8 *)buff, true, NULL);
1613                 i40e_release_nvm(&pf->hw);
1614                 if (ret) {
1615                         dev_info(&pf->pdev->dev,
1616                                  "Read NVM AQ failed err=%d status=0x%x\n",
1617                                  ret, pf->hw.aq.asq_last_status);
1618                 } else {
1619                         dev_info(&pf->pdev->dev,
1620                                  "Read NVM module=0x%x offset=0x%x words=%d\n",
1621                                  module, offset, buffer_len);
1622                         if (bytes)
1623                                 print_hex_dump(KERN_INFO, "NVM Dump: ",
1624                                         DUMP_PREFIX_OFFSET, 16, 2,
1625                                         buff, bytes, true);
1626                 }
1627                 kfree(buff);
1628                 buff = NULL;
1629         } else {
1630                 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1631                 dev_info(&pf->pdev->dev, "available commands\n");
1632                 dev_info(&pf->pdev->dev, "  add vsi [relay_seid]\n");
1633                 dev_info(&pf->pdev->dev, "  del vsi [vsi_seid]\n");
1634                 dev_info(&pf->pdev->dev, "  add relay <uplink_seid> <vsi_seid>\n");
1635                 dev_info(&pf->pdev->dev, "  del relay <relay_seid>\n");
1636                 dev_info(&pf->pdev->dev, "  add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1637                 dev_info(&pf->pdev->dev, "  del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1638                 dev_info(&pf->pdev->dev, "  add pvid <vsi_seid> <vid>\n");
1639                 dev_info(&pf->pdev->dev, "  del pvid <vsi_seid>\n");
1640                 dev_info(&pf->pdev->dev, "  dump switch\n");
1641                 dev_info(&pf->pdev->dev, "  dump vsi [seid]\n");
1642                 dev_info(&pf->pdev->dev, "  dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1643                 dev_info(&pf->pdev->dev, "  dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1644                 dev_info(&pf->pdev->dev, "  dump desc aq\n");
1645                 dev_info(&pf->pdev->dev, "  dump reset stats\n");
1646                 dev_info(&pf->pdev->dev, "  dump debug fwdata <cluster_id> <table_id> <index>\n");
1647                 dev_info(&pf->pdev->dev, "  msg_enable [level]\n");
1648                 dev_info(&pf->pdev->dev, "  read <reg>\n");
1649                 dev_info(&pf->pdev->dev, "  write <reg> <value>\n");
1650                 dev_info(&pf->pdev->dev, "  clear_stats vsi [seid]\n");
1651                 dev_info(&pf->pdev->dev, "  clear_stats port\n");
1652                 dev_info(&pf->pdev->dev, "  pfr\n");
1653                 dev_info(&pf->pdev->dev, "  corer\n");
1654                 dev_info(&pf->pdev->dev, "  globr\n");
1655                 dev_info(&pf->pdev->dev, "  send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1656                 dev_info(&pf->pdev->dev, "  send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1657                 dev_info(&pf->pdev->dev, "  fd current cnt");
1658                 dev_info(&pf->pdev->dev, "  lldp start\n");
1659                 dev_info(&pf->pdev->dev, "  lldp stop\n");
1660                 dev_info(&pf->pdev->dev, "  lldp get local\n");
1661                 dev_info(&pf->pdev->dev, "  lldp get remote\n");
1662                 dev_info(&pf->pdev->dev, "  lldp event on\n");
1663                 dev_info(&pf->pdev->dev, "  lldp event off\n");
1664                 dev_info(&pf->pdev->dev, "  nvm read [module] [word_offset] [word_count]\n");
1665         }
1666
1667 command_write_done:
1668         kfree(cmd_buf);
1669         cmd_buf = NULL;
1670         return count;
1671 }
1672
1673 static const struct file_operations i40e_dbg_command_fops = {
1674         .owner = THIS_MODULE,
1675         .open =  simple_open,
1676         .read =  i40e_dbg_command_read,
1677         .write = i40e_dbg_command_write,
1678 };
1679
1680 /**************************************************************
1681  * netdev_ops
1682  * The netdev_ops entry in debugfs is for giving the driver commands
1683  * to be executed from the netdev operations.
1684  **************************************************************/
1685 static char i40e_dbg_netdev_ops_buf[256] = "";
1686
1687 /**
1688  * i40e_dbg_netdev_ops - read for netdev_ops datum
1689  * @filp: the opened file
1690  * @buffer: where to write the data for the user to read
1691  * @count: the size of the user's buffer
1692  * @ppos: file position offset
1693  **/
1694 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1695                                         size_t count, loff_t *ppos)
1696 {
1697         struct i40e_pf *pf = filp->private_data;
1698         int bytes_not_copied;
1699         int buf_size = 256;
1700         char *buf;
1701         int len;
1702
1703         /* don't allow partal reads */
1704         if (*ppos != 0)
1705                 return 0;
1706         if (count < buf_size)
1707                 return -ENOSPC;
1708
1709         buf = kzalloc(buf_size, GFP_KERNEL);
1710         if (!buf)
1711                 return -ENOSPC;
1712
1713         len = snprintf(buf, buf_size, "%s: %s\n",
1714                        pf->vsi[pf->lan_vsi]->netdev->name,
1715                        i40e_dbg_netdev_ops_buf);
1716
1717         bytes_not_copied = copy_to_user(buffer, buf, len);
1718         kfree(buf);
1719
1720         if (bytes_not_copied)
1721                 return -EFAULT;
1722
1723         *ppos = len;
1724         return len;
1725 }
1726
1727 /**
1728  * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1729  * @filp: the opened file
1730  * @buffer: where to find the user's data
1731  * @count: the length of the user's data
1732  * @ppos: file position offset
1733  **/
1734 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1735                                          const char __user *buffer,
1736                                          size_t count, loff_t *ppos)
1737 {
1738         struct i40e_pf *pf = filp->private_data;
1739         int bytes_not_copied;
1740         struct i40e_vsi *vsi;
1741         char *buf_tmp;
1742         int vsi_seid;
1743         int i, cnt;
1744
1745         /* don't allow partial writes */
1746         if (*ppos != 0)
1747                 return 0;
1748         if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1749                 return -ENOSPC;
1750
1751         memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1752         bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1753                                           buffer, count);
1754         if (bytes_not_copied)
1755                 return -EFAULT;
1756         i40e_dbg_netdev_ops_buf[count] = '\0';
1757
1758         buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1759         if (buf_tmp) {
1760                 *buf_tmp = '\0';
1761                 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1762         }
1763
1764         if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1765                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1766                 if (cnt != 1) {
1767                         dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
1768                         goto netdev_ops_write_done;
1769                 }
1770                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1771                 if (!vsi) {
1772                         dev_info(&pf->pdev->dev,
1773                                  "tx_timeout: VSI %d not found\n", vsi_seid);
1774                 } else if (!vsi->netdev) {
1775                         dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
1776                                  vsi_seid);
1777                 } else if (test_bit(__I40E_DOWN, &vsi->state)) {
1778                         dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
1779                                  vsi_seid);
1780                 } else if (rtnl_trylock()) {
1781                         vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1782                         rtnl_unlock();
1783                         dev_info(&pf->pdev->dev, "tx_timeout called\n");
1784                 } else {
1785                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1786                 }
1787         } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1788                 int mtu;
1789
1790                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1791                              &vsi_seid, &mtu);
1792                 if (cnt != 2) {
1793                         dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1794                         goto netdev_ops_write_done;
1795                 }
1796                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1797                 if (!vsi) {
1798                         dev_info(&pf->pdev->dev,
1799                                  "change_mtu: VSI %d not found\n", vsi_seid);
1800                 } else if (!vsi->netdev) {
1801                         dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1802                                  vsi_seid);
1803                 } else if (rtnl_trylock()) {
1804                         vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1805                                                                 mtu);
1806                         rtnl_unlock();
1807                         dev_info(&pf->pdev->dev, "change_mtu called\n");
1808                 } else {
1809                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1810                 }
1811
1812         } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1813                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1814                 if (cnt != 1) {
1815                         dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1816                         goto netdev_ops_write_done;
1817                 }
1818                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1819                 if (!vsi) {
1820                         dev_info(&pf->pdev->dev,
1821                                  "set_rx_mode: VSI %d not found\n", vsi_seid);
1822                 } else if (!vsi->netdev) {
1823                         dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1824                                  vsi_seid);
1825                 } else if (rtnl_trylock()) {
1826                         vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1827                         rtnl_unlock();
1828                         dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1829                 } else {
1830                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1831                 }
1832
1833         } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1834                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1835                 if (cnt != 1) {
1836                         dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1837                         goto netdev_ops_write_done;
1838                 }
1839                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1840                 if (!vsi) {
1841                         dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1842                                  vsi_seid);
1843                 } else if (!vsi->netdev) {
1844                         dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1845                                  vsi_seid);
1846                 } else {
1847                         for (i = 0; i < vsi->num_q_vectors; i++)
1848                                 napi_schedule(&vsi->q_vectors[i]->napi);
1849                         dev_info(&pf->pdev->dev, "napi called\n");
1850                 }
1851         } else {
1852                 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1853                          i40e_dbg_netdev_ops_buf);
1854                 dev_info(&pf->pdev->dev, "available commands\n");
1855                 dev_info(&pf->pdev->dev, "  tx_timeout <vsi_seid>\n");
1856                 dev_info(&pf->pdev->dev, "  change_mtu <vsi_seid> <mtu>\n");
1857                 dev_info(&pf->pdev->dev, "  set_rx_mode <vsi_seid>\n");
1858                 dev_info(&pf->pdev->dev, "  napi <vsi_seid>\n");
1859         }
1860 netdev_ops_write_done:
1861         return count;
1862 }
1863
1864 static const struct file_operations i40e_dbg_netdev_ops_fops = {
1865         .owner = THIS_MODULE,
1866         .open = simple_open,
1867         .read = i40e_dbg_netdev_ops_read,
1868         .write = i40e_dbg_netdev_ops_write,
1869 };
1870
1871 /**
1872  * i40e_dbg_pf_init - setup the debugfs directory for the PF
1873  * @pf: the PF that is starting up
1874  **/
1875 void i40e_dbg_pf_init(struct i40e_pf *pf)
1876 {
1877         struct dentry *pfile;
1878         const char *name = pci_name(pf->pdev);
1879         const struct device *dev = &pf->pdev->dev;
1880
1881         pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1882         if (!pf->i40e_dbg_pf)
1883                 return;
1884
1885         pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1886                                     &i40e_dbg_command_fops);
1887         if (!pfile)
1888                 goto create_failed;
1889
1890         pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1891                                     &i40e_dbg_netdev_ops_fops);
1892         if (!pfile)
1893                 goto create_failed;
1894
1895         return;
1896
1897 create_failed:
1898         dev_info(dev, "debugfs dir/file for %s failed\n", name);
1899         debugfs_remove_recursive(pf->i40e_dbg_pf);
1900 }
1901
1902 /**
1903  * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1904  * @pf: the PF that is stopping
1905  **/
1906 void i40e_dbg_pf_exit(struct i40e_pf *pf)
1907 {
1908         debugfs_remove_recursive(pf->i40e_dbg_pf);
1909         pf->i40e_dbg_pf = NULL;
1910 }
1911
1912 /**
1913  * i40e_dbg_init - start up debugfs for the driver
1914  **/
1915 void i40e_dbg_init(void)
1916 {
1917         i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1918         if (!i40e_dbg_root)
1919                 pr_info("init of debugfs failed\n");
1920 }
1921
1922 /**
1923  * i40e_dbg_exit - clean out the driver's debugfs entries
1924  **/
1925 void i40e_dbg_exit(void)
1926 {
1927         debugfs_remove_recursive(i40e_dbg_root);
1928         i40e_dbg_root = NULL;
1929 }
1930
1931 #endif /* CONFIG_DEBUG_FS */