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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
   3
   4 #ifdef CONFIG_DEBUG_FS
   5
   6 #include <linux/fs.h>
   7 #include <linux/debugfs.h>
   8 #include <linux/if_bridge.h>
   9 #include "i40e.h"
  10 #include "i40e_virtchnl_pf.h"
  11
  12 static struct dentry *i40e_dbg_root;
  13
  14 enum ring_type {
  15         RING_TYPE_RX,
  16         RING_TYPE_TX,
  17         RING_TYPE_XDP
  18 };
  19
  20 /**
  21  * i40e_dbg_find_vsi - searches for the vsi with the given seid
  22  * @pf: the PF structure to search for the vsi
  23  * @seid: seid of the vsi it is searching for
  24  **/
  25 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
  26 {
  27         if (seid < 0) {
  28                 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
  29
  30                 return NULL;
  31         }
  32
  33         return i40e_pf_get_vsi_by_seid(pf, seid);
  34 }
  35
  36 /**************************************************************
  37  * command
  38  * The command entry in debugfs is for giving the driver commands
  39  * to be executed - these may be for changing the internal switch
  40  * setup, adding or removing filters, or other things.  Many of
  41  * these will be useful for some forms of unit testing.
  42  **************************************************************/
  43 static char i40e_dbg_command_buf[256] = "";
  44
  45 /**
  46  * i40e_dbg_command_read - read for command datum
  47  * @filp: the opened file
  48  * @buffer: where to write the data for the user to read
  49  * @count: the size of the user's buffer
  50  * @ppos: file position offset
  51  **/
  52 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
  53                                      size_t count, loff_t *ppos)
  54 {
  55         struct i40e_pf *pf = filp->private_data;
  56         int bytes_not_copied;
  57         int buf_size = 256;
  58         char *buf;
  59         int len;
  60
  61         /* don't allow partial reads */
  62         if (*ppos != 0)
  63                 return 0;
  64         if (count < buf_size)
  65                 return -ENOSPC;
  66
  67         buf = kzalloc(buf_size, GFP_KERNEL);
  68         if (!buf)
  69                 return -ENOSPC;
  70
  71         len = snprintf(buf, buf_size, "%s: %s\n",
  72                        pf->vsi[pf->lan_vsi]->netdev->name,
  73                        i40e_dbg_command_buf);
  74
  75         bytes_not_copied = copy_to_user(buffer, buf, len);
  76         kfree(buf);
  77
  78         if (bytes_not_copied)
  79                 return -EFAULT;
  80
  81         *ppos = len;
  82         return len;
  83 }
  84
  85 static char *i40e_filter_state_string[] = {
  86         "INVALID",
  87         "NEW",
  88         "ACTIVE",
  89         "FAILED",
  90         "REMOVE",
  91 };
  92
  93 /**
  94  * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
  95  * @pf: the i40e_pf created in command write
  96  * @seid: the seid the user put in
  97  **/
  98 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
  99 {
 100         struct rtnl_link_stats64 *nstat;
 101         struct i40e_mac_filter *f;
 102         struct i40e_vsi *vsi;
 103         int i, bkt;
 104
 105         vsi = i40e_dbg_find_vsi(pf, seid);
 106         if (!vsi) {
 107                 dev_info(&pf->pdev->dev,
 108                          "dump %d: seid not found\n", seid);
 109                 return;
 110         }
 111         dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
 112         if (vsi->netdev) {
 113                 struct net_device *nd = vsi->netdev;
 114
 115                 dev_info(&pf->pdev->dev, "    netdev: name = %s, state = %lu, flags = 0x%08x\n",
 116                          nd->name, nd->state, nd->flags);
 117                 dev_info(&pf->pdev->dev, "        features      = 0x%08lx\n",
 118                          (unsigned long int)nd->features);
 119                 dev_info(&pf->pdev->dev, "        hw_features   = 0x%08lx\n",
 120                          (unsigned long int)nd->hw_features);
 121                 dev_info(&pf->pdev->dev, "        vlan_features = 0x%08lx\n",
 122                          (unsigned long int)nd->vlan_features);
 123         }
 124         dev_info(&pf->pdev->dev,
 125                  "    flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
 126                  vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags);
 127         for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++)
 128                 dev_info(&pf->pdev->dev,
 129                          "    state[%d] = %08lx\n",
 130                          i, vsi->state[i]);
 131         if (vsi == pf->vsi[pf->lan_vsi])
 132                 dev_info(&pf->pdev->dev, "    MAC address: %pM Port MAC: %pM\n",
 133                          pf->hw.mac.addr,
 134                          pf->hw.mac.port_addr);
 135         hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
 136                 dev_info(&pf->pdev->dev,
 137                          "    mac_filter_hash: %pM vid=%d, state %s\n",
 138                          f->macaddr, f->vlan,
 139                          i40e_filter_state_string[f->state]);
 140         }
 141         dev_info(&pf->pdev->dev, "    active_filters %u, promisc_threshold %u, overflow promisc %s\n",
 142                  vsi->active_filters, vsi->promisc_threshold,
 143                  (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ?
 144                   "ON" : "OFF"));
 145         nstat = i40e_get_vsi_stats_struct(vsi);
 146         dev_info(&pf->pdev->dev,
 147                  "    net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
 148                  (unsigned long int)nstat->rx_packets,
 149                  (unsigned long int)nstat->rx_bytes,
 150                  (unsigned long int)nstat->rx_errors,
 151                  (unsigned long int)nstat->rx_dropped);
 152         dev_info(&pf->pdev->dev,
 153                  "    net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
 154                  (unsigned long int)nstat->tx_packets,
 155                  (unsigned long int)nstat->tx_bytes,
 156                  (unsigned long int)nstat->tx_errors,
 157                  (unsigned long int)nstat->tx_dropped);
 158         dev_info(&pf->pdev->dev,
 159                  "    net_stats: multicast = %lu, collisions = %lu\n",
 160                  (unsigned long int)nstat->multicast,
 161                  (unsigned long int)nstat->collisions);
 162         dev_info(&pf->pdev->dev,
 163                  "    net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
 164                  (unsigned long int)nstat->rx_length_errors,
 165                  (unsigned long int)nstat->rx_over_errors,
 166                  (unsigned long int)nstat->rx_crc_errors);
 167         dev_info(&pf->pdev->dev,
 168                  "    net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
 169                  (unsigned long int)nstat->rx_frame_errors,
 170                  (unsigned long int)nstat->rx_fifo_errors,
 171                  (unsigned long int)nstat->rx_missed_errors);
 172         dev_info(&pf->pdev->dev,
 173                  "    net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
 174                  (unsigned long int)nstat->tx_aborted_errors,
 175                  (unsigned long int)nstat->tx_carrier_errors,
 176                  (unsigned long int)nstat->tx_fifo_errors);
 177         dev_info(&pf->pdev->dev,
 178                  "    net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
 179                  (unsigned long int)nstat->tx_heartbeat_errors,
 180                  (unsigned long int)nstat->tx_window_errors);
 181         dev_info(&pf->pdev->dev,
 182                  "    net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
 183                  (unsigned long int)nstat->rx_compressed,
 184                  (unsigned long int)nstat->tx_compressed);
 185         dev_info(&pf->pdev->dev,
 186                  "    net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
 187                  (unsigned long int)vsi->net_stats_offsets.rx_packets,
 188                  (unsigned long int)vsi->net_stats_offsets.rx_bytes,
 189                  (unsigned long int)vsi->net_stats_offsets.rx_errors,
 190                  (unsigned long int)vsi->net_stats_offsets.rx_dropped);
 191         dev_info(&pf->pdev->dev,
 192                  "    net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
 193                  (unsigned long int)vsi->net_stats_offsets.tx_packets,
 194                  (unsigned long int)vsi->net_stats_offsets.tx_bytes,
 195                  (unsigned long int)vsi->net_stats_offsets.tx_errors,
 196                  (unsigned long int)vsi->net_stats_offsets.tx_dropped);
 197         dev_info(&pf->pdev->dev,
 198                  "    net_stats_offsets: multicast = %lu, collisions = %lu\n",
 199                  (unsigned long int)vsi->net_stats_offsets.multicast,
 200                  (unsigned long int)vsi->net_stats_offsets.collisions);
 201         dev_info(&pf->pdev->dev,
 202                  "    net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
 203                  (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
 204                  (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
 205                  (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
 206         dev_info(&pf->pdev->dev,
 207                  "    net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
 208                  (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
 209                  (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
 210                  (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
 211         dev_info(&pf->pdev->dev,
 212                  "    net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
 213                  (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
 214                  (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
 215                  (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
 216         dev_info(&pf->pdev->dev,
 217                  "    net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
 218                  (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
 219                  (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
 220         dev_info(&pf->pdev->dev,
 221                  "    net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
 222                  (unsigned long int)vsi->net_stats_offsets.rx_compressed,
 223                  (unsigned long int)vsi->net_stats_offsets.tx_compressed);
 224         dev_info(&pf->pdev->dev,
 225                  "    tx_restart = %llu, tx_busy = %llu, rx_buf_failed = %llu, rx_page_failed = %llu\n",
 226                  vsi->tx_restart, vsi->tx_busy,
 227                  vsi->rx_buf_failed, vsi->rx_page_failed);
 228         rcu_read_lock();
 229         for (i = 0; i < vsi->num_queue_pairs; i++) {
 230                 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]);
 231
 232                 if (!rx_ring)
 233                         continue;
 234
 235                 dev_info(&pf->pdev->dev,
 236                          "    rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
 237                          i, *rx_ring->state,
 238                          rx_ring->queue_index,
 239                          rx_ring->reg_idx);
 240                 dev_info(&pf->pdev->dev,
 241                          "    rx_rings[%i]: rx_buf_len = %d\n",
 242                          i, rx_ring->rx_buf_len);
 243                 dev_info(&pf->pdev->dev,
 244                          "    rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 245                          i,
 246                          rx_ring->next_to_use,
 247                          rx_ring->next_to_clean,
 248                          rx_ring->ring_active);
 249                 dev_info(&pf->pdev->dev,
 250                          "    rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
 251                          i, rx_ring->stats.packets,
 252                          rx_ring->stats.bytes,
 253                          rx_ring->rx_stats.non_eop_descs);
 254                 dev_info(&pf->pdev->dev,
 255                          "    rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
 256                          i,
 257                          rx_ring->rx_stats.alloc_page_failed,
 258                          rx_ring->rx_stats.alloc_buff_failed);
 259                 dev_info(&pf->pdev->dev,
 260                          "    rx_rings[%i]: rx_stats: realloc_count = 0, page_reuse_count = %lld\n",
 261                          i,
 262                          rx_ring->rx_stats.page_reuse_count);
 263                 dev_info(&pf->pdev->dev,
 264                          "    rx_rings[%i]: size = %i\n",
 265                          i, rx_ring->size);
 266                 dev_info(&pf->pdev->dev,
 267                          "    rx_rings[%i]: itr_setting = %d (%s)\n",
 268                          i, rx_ring->itr_setting,
 269                          ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed");
 270         }
 271         for (i = 0; i < vsi->num_queue_pairs; i++) {
 272                 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]);
 273
 274                 if (!tx_ring)
 275                         continue;
 276
 277                 dev_info(&pf->pdev->dev,
 278                          "    tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
 279                          i, *tx_ring->state,
 280                          tx_ring->queue_index,
 281                          tx_ring->reg_idx);
 282                 dev_info(&pf->pdev->dev,
 283                          "    tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 284                          i,
 285                          tx_ring->next_to_use,
 286                          tx_ring->next_to_clean,
 287                          tx_ring->ring_active);
 288                 dev_info(&pf->pdev->dev,
 289                          "    tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
 290                          i, tx_ring->stats.packets,
 291                          tx_ring->stats.bytes,
 292                          tx_ring->tx_stats.restart_queue);
 293                 dev_info(&pf->pdev->dev,
 294                          "    tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld, tx_stopped = %lld\n",
 295                          i,
 296                          tx_ring->tx_stats.tx_busy,
 297                          tx_ring->tx_stats.tx_done_old,
 298                          tx_ring->tx_stats.tx_stopped);
 299                 dev_info(&pf->pdev->dev,
 300                          "    tx_rings[%i]: size = %i\n",
 301                          i, tx_ring->size);
 302                 dev_info(&pf->pdev->dev,
 303                          "    tx_rings[%i]: DCB tc = %d\n",
 304                          i, tx_ring->dcb_tc);
 305                 dev_info(&pf->pdev->dev,
 306                          "    tx_rings[%i]: itr_setting = %d (%s)\n",
 307                          i, tx_ring->itr_setting,
 308                          ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed");
 309         }
 310         if (i40e_enabled_xdp_vsi(vsi)) {
 311                 for (i = 0; i < vsi->num_queue_pairs; i++) {
 312                         struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]);
 313
 314                         if (!xdp_ring)
 315                                 continue;
 316
 317                         dev_info(&pf->pdev->dev,
 318                                  "    xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n",
 319                                  i, *xdp_ring->state,
 320                                  xdp_ring->queue_index,
 321                                  xdp_ring->reg_idx);
 322                         dev_info(&pf->pdev->dev,
 323                                  "    xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 324                                  i,
 325                                  xdp_ring->next_to_use,
 326                                  xdp_ring->next_to_clean,
 327                                  xdp_ring->ring_active);
 328                         dev_info(&pf->pdev->dev,
 329                                  "    xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
 330                                  i, xdp_ring->stats.packets,
 331                                  xdp_ring->stats.bytes,
 332                                  xdp_ring->tx_stats.restart_queue);
 333                         dev_info(&pf->pdev->dev,
 334                                  "    xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
 335                                  i,
 336                                  xdp_ring->tx_stats.tx_busy,
 337                                  xdp_ring->tx_stats.tx_done_old);
 338                         dev_info(&pf->pdev->dev,
 339                                  "    xdp_rings[%i]: size = %i\n",
 340                                  i, xdp_ring->size);
 341                         dev_info(&pf->pdev->dev,
 342                                  "    xdp_rings[%i]: DCB tc = %d\n",
 343                                  i, xdp_ring->dcb_tc);
 344                         dev_info(&pf->pdev->dev,
 345                                  "    xdp_rings[%i]: itr_setting = %d (%s)\n",
 346                                  i, xdp_ring->itr_setting,
 347                                  ITR_IS_DYNAMIC(xdp_ring->itr_setting) ?
 348                                  "dynamic" : "fixed");
 349                 }
 350         }
 351         rcu_read_unlock();
 352         dev_info(&pf->pdev->dev,
 353                  "    work_limit = %d\n",
 354                  vsi->work_limit);
 355         dev_info(&pf->pdev->dev,
 356                  "    max_frame = %d, rx_buf_len = %d dtype = %d\n",
 357                  vsi->max_frame, vsi->rx_buf_len, 0);
 358         dev_info(&pf->pdev->dev,
 359                  "    num_q_vectors = %i, base_vector = %i\n",
 360                  vsi->num_q_vectors, vsi->base_vector);
 361         dev_info(&pf->pdev->dev,
 362                  "    seid = %d, id = %d, uplink_seid = %d\n",
 363                  vsi->seid, vsi->id, vsi->uplink_seid);
 364         dev_info(&pf->pdev->dev,
 365                  "    base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n",
 366                  vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc,
 367                  vsi->num_rx_desc);
 368         dev_info(&pf->pdev->dev, "    type = %i\n", vsi->type);
 369         if (vsi->type == I40E_VSI_SRIOV)
 370                 dev_info(&pf->pdev->dev, "    VF ID = %i\n", vsi->vf_id);
 371         dev_info(&pf->pdev->dev,
 372                  "    info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
 373                  vsi->info.valid_sections, vsi->info.switch_id);
 374         dev_info(&pf->pdev->dev,
 375                  "    info: sw_reserved[] = 0x%02x 0x%02x\n",
 376                  vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
 377         dev_info(&pf->pdev->dev,
 378                  "    info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
 379                  vsi->info.sec_flags, vsi->info.sec_reserved);
 380         dev_info(&pf->pdev->dev,
 381                  "    info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
 382                  vsi->info.pvid, vsi->info.fcoe_pvid,
 383                  vsi->info.port_vlan_flags);
 384         dev_info(&pf->pdev->dev,
 385                  "    info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
 386                  vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
 387                  vsi->info.pvlan_reserved[2]);
 388         dev_info(&pf->pdev->dev,
 389                  "    info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
 390                  vsi->info.ingress_table, vsi->info.egress_table);
 391         dev_info(&pf->pdev->dev,
 392                  "    info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
 393                  vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
 394                  vsi->info.cas_pv_reserved);
 395         dev_info(&pf->pdev->dev,
 396                  "    info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 397                  vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
 398                  vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
 399                  vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
 400                  vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
 401         dev_info(&pf->pdev->dev,
 402                  "    info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 403                  vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
 404                  vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
 405                  vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
 406                  vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
 407         dev_info(&pf->pdev->dev,
 408                  "    info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 409                  vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
 410                  vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
 411                  vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
 412                  vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
 413         dev_info(&pf->pdev->dev,
 414                  "    info: queueing_opt_flags = 0x%02x  queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
 415                  vsi->info.queueing_opt_flags,
 416                  vsi->info.queueing_opt_reserved[0],
 417                  vsi->info.queueing_opt_reserved[1],
 418                  vsi->info.queueing_opt_reserved[2]);
 419         dev_info(&pf->pdev->dev,
 420                  "    info: up_enable_bits = 0x%02x\n",
 421                  vsi->info.up_enable_bits);
 422         dev_info(&pf->pdev->dev,
 423                  "    info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
 424                  vsi->info.sched_reserved, vsi->info.outer_up_table);
 425         dev_info(&pf->pdev->dev,
 426                  "    info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
 427                  vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
 428                  vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
 429                  vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
 430                  vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
 431         dev_info(&pf->pdev->dev,
 432                  "    info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 433                  vsi->info.qs_handle[0], vsi->info.qs_handle[1],
 434                  vsi->info.qs_handle[2], vsi->info.qs_handle[3],
 435                  vsi->info.qs_handle[4], vsi->info.qs_handle[5],
 436                  vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
 437         dev_info(&pf->pdev->dev,
 438                  "    info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
 439                  vsi->info.stat_counter_idx, vsi->info.sched_id);
 440         dev_info(&pf->pdev->dev,
 441                  "    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",
 442                  vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
 443                  vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
 444                  vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
 445                  vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
 446                  vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
 447                  vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
 448         dev_info(&pf->pdev->dev, "    idx = %d\n", vsi->idx);
 449         dev_info(&pf->pdev->dev,
 450                  "    tc_config: numtc = %d, enabled_tc = 0x%x\n",
 451                  vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
 452         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 453                 dev_info(&pf->pdev->dev,
 454                          "    tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
 455                          i, vsi->tc_config.tc_info[i].qoffset,
 456                          vsi->tc_config.tc_info[i].qcount,
 457                          vsi->tc_config.tc_info[i].netdev_tc);
 458         }
 459         dev_info(&pf->pdev->dev,
 460                  "    bw: bw_limit = %d, bw_max_quanta = %d\n",
 461                  vsi->bw_limit, vsi->bw_max_quanta);
 462         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 463                 dev_info(&pf->pdev->dev,
 464                          "    bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
 465                          i, vsi->bw_ets_share_credits[i],
 466                          vsi->bw_ets_limit_credits[i],
 467                          vsi->bw_ets_max_quanta[i]);
 468         }
 469 }
 470
 471 /**
 472  * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
 473  * @pf: the i40e_pf created in command write
 474  **/
 475 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
 476 {
 477         struct i40e_adminq_ring *ring;
 478         struct i40e_hw *hw = &pf->hw;
 479         char hdr[32];
 480         int i;
 481
 482         snprintf(hdr, sizeof(hdr), "%s %s:         ",
 483                  dev_driver_string(&pf->pdev->dev),
 484                  dev_name(&pf->pdev->dev));
 485
 486         /* first the send (command) ring, then the receive (event) ring */
 487         dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
 488         ring = &(hw->aq.asq);
 489         for (i = 0; i < ring->count; i++) {
 490                 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 491
 492                 dev_info(&pf->pdev->dev,
 493                          "   at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 494                          i, d->flags, d->opcode, d->datalen, d->retval,
 495                          d->cookie_high, d->cookie_low);
 496                 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 497                                16, 1, d->params.raw, 16, 0);
 498         }
 499
 500         dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
 501         ring = &(hw->aq.arq);
 502         for (i = 0; i < ring->count; i++) {
 503                 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 504
 505                 dev_info(&pf->pdev->dev,
 506                          "   ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 507                          i, d->flags, d->opcode, d->datalen, d->retval,
 508                          d->cookie_high, d->cookie_low);
 509                 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 510                                16, 1, d->params.raw, 16, 0);
 511         }
 512 }
 513
 514 /**
 515  * i40e_dbg_dump_desc - handles dump desc write into command datum
 516  * @cnt: number of arguments that the user supplied
 517  * @vsi_seid: vsi id entered by user
 518  * @ring_id: ring id entered by user
 519  * @desc_n: descriptor number entered by user
 520  * @pf: the i40e_pf created in command write
 521  * @type: enum describing whether ring is RX, TX or XDP
 522  **/
 523 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
 524                                struct i40e_pf *pf, enum ring_type type)
 525 {
 526         bool is_rx_ring = type == RING_TYPE_RX;
 527         struct i40e_tx_desc *txd;
 528         union i40e_rx_desc *rxd;
 529         struct i40e_ring *ring;
 530         struct i40e_vsi *vsi;
 531         int i;
 532
 533         vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 534         if (!vsi) {
 535                 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
 536                 return;
 537         }
 538         if (vsi->type != I40E_VSI_MAIN &&
 539             vsi->type != I40E_VSI_FDIR &&
 540             vsi->type != I40E_VSI_VMDQ2) {
 541                 dev_info(&pf->pdev->dev,
 542                          "vsi %d type %d descriptor rings not available\n",
 543                          vsi_seid, vsi->type);
 544                 return;
 545         }
 546         if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) {
 547                 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid);
 548                 return;
 549         }
 550         if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
 551                 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
 552                 return;
 553         }
 554         if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
 555                 dev_info(&pf->pdev->dev,
 556                          "descriptor rings have not been allocated for vsi %d\n",
 557                          vsi_seid);
 558                 return;
 559         }
 560
 561         switch (type) {
 562         case RING_TYPE_RX:
 563                 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 564                 break;
 565         case RING_TYPE_TX:
 566                 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 567                 break;
 568         case RING_TYPE_XDP:
 569                 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL);
 570                 break;
 571         default:
 572                 ring = NULL;
 573                 break;
 574         }
 575         if (!ring)
 576                 return;
 577
 578         if (cnt == 2) {
 579                 switch (type) {
 580                 case RING_TYPE_RX:
 581                         dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id);
 582                         break;
 583                 case RING_TYPE_TX:
 584                         dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id);
 585                         break;
 586                 case RING_TYPE_XDP:
 587                         dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id);
 588                         break;
 589                 }
 590                 for (i = 0; i < ring->count; i++) {
 591                         if (!is_rx_ring) {
 592                                 txd = I40E_TX_DESC(ring, i);
 593                                 dev_info(&pf->pdev->dev,
 594                                          "   d[%03x] = 0x%016llx 0x%016llx\n",
 595                                          i, txd->buffer_addr,
 596                                          txd->cmd_type_offset_bsz);
 597                         } else {
 598                                 rxd = I40E_RX_DESC(ring, i);
 599                                 dev_info(&pf->pdev->dev,
 600                                          "   d[%03x] = 0x%016llx 0x%016llx\n",
 601                                          i, rxd->read.pkt_addr,
 602                                          rxd->read.hdr_addr);
 603                         }
 604                 }
 605         } else if (cnt == 3) {
 606                 if (desc_n >= ring->count || desc_n < 0) {
 607                         dev_info(&pf->pdev->dev,
 608                                  "descriptor %d not found\n", desc_n);
 609                         goto out;
 610                 }
 611                 if (!is_rx_ring) {
 612                         txd = I40E_TX_DESC(ring, desc_n);
 613                         dev_info(&pf->pdev->dev,
 614                                  "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 615                                  vsi_seid, ring_id, desc_n,
 616                                  txd->buffer_addr, txd->cmd_type_offset_bsz);
 617                 } else {
 618                         rxd = I40E_RX_DESC(ring, desc_n);
 619                         dev_info(&pf->pdev->dev,
 620                                  "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 621                                  vsi_seid, ring_id, desc_n,
 622                                  rxd->read.pkt_addr, rxd->read.hdr_addr);
 623                 }
 624         } else {
 625                 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n");
 626         }
 627
 628 out:
 629         kfree(ring);
 630 }
 631
 632 /**
 633  * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
 634  * @pf: the i40e_pf created in command write
 635  **/
 636 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
 637 {
 638         struct i40e_vsi *vsi;
 639         int i;
 640
 641         i40e_pf_for_each_vsi(pf, i, vsi)
 642                 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", i, vsi->seid);
 643 }
 644
 645 /**
 646  * i40e_dbg_dump_eth_stats - handles dump stats write into command datum
 647  * @pf: the i40e_pf created in command write
 648  * @estats: the eth stats structure to be dumped
 649  **/
 650 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
 651                                     struct i40e_eth_stats *estats)
 652 {
 653         dev_info(&pf->pdev->dev, "  ethstats:\n");
 654         dev_info(&pf->pdev->dev,
 655                  "    rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
 656                 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
 657         dev_info(&pf->pdev->dev,
 658                  "    rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
 659                  estats->rx_broadcast, estats->rx_discards);
 660         dev_info(&pf->pdev->dev,
 661                  "    rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
 662                  estats->rx_unknown_protocol, estats->tx_bytes);
 663         dev_info(&pf->pdev->dev,
 664                  "    tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
 665                  estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
 666         dev_info(&pf->pdev->dev,
 667                  "    tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
 668                  estats->tx_discards, estats->tx_errors);
 669 }
 670
 671 /**
 672  * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
 673  * @pf: the i40e_pf created in command write
 674  * @seid: the seid the user put in
 675  **/
 676 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
 677 {
 678         struct i40e_veb *veb;
 679
 680         veb = i40e_pf_get_veb_by_seid(pf, seid);
 681         if (!veb) {
 682                 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
 683                 return;
 684         }
 685         dev_info(&pf->pdev->dev,
 686                  "veb idx=%d stats_ic=%d  seid=%d uplink=%d mode=%s\n",
 687                  veb->idx, veb->stats_idx, veb->seid, veb->uplink_seid,
 688                  veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
 689         i40e_dbg_dump_eth_stats(pf, &veb->stats);
 690 }
 691
 692 /**
 693  * i40e_dbg_dump_veb_all - dumps all known veb's stats
 694  * @pf: the i40e_pf created in command write
 695  **/
 696 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
 697 {
 698         struct i40e_veb *veb;
 699         int i;
 700
 701         i40e_pf_for_each_veb(pf, i, veb)
 702                 i40e_dbg_dump_veb_seid(pf, veb->seid);
 703 }
 704
 705 /**
 706  * i40e_dbg_dump_vf - dump VF info
 707  * @pf: the i40e_pf created in command write
 708  * @vf_id: the vf_id from the user
 709  **/
 710 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
 711 {
 712         struct i40e_vf *vf;
 713         struct i40e_vsi *vsi;
 714
 715         if (!pf->num_alloc_vfs) {
 716                 dev_info(&pf->pdev->dev, "no VFs allocated\n");
 717         } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
 718                 vf = &pf->vf[vf_id];
 719                 vsi = pf->vsi[vf->lan_vsi_idx];
 720                 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
 721                          vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
 722                 dev_info(&pf->pdev->dev, "       num MDD=%lld\n",
 723                          vf->num_mdd_events);
 724         } else {
 725                 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
 726         }
 727 }
 728
 729 /**
 730  * i40e_dbg_dump_vf_all - dump VF info for all VFs
 731  * @pf: the i40e_pf created in command write
 732  **/
 733 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
 734 {
 735         int i;
 736
 737         if (!pf->num_alloc_vfs)
 738                 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
 739         else
 740                 for (i = 0; i < pf->num_alloc_vfs; i++)
 741                         i40e_dbg_dump_vf(pf, i);
 742 }
 743
 744 /**
 745  * i40e_dbg_command_write - write into command datum
 746  * @filp: the opened file
 747  * @buffer: where to find the user's data
 748  * @count: the length of the user's data
 749  * @ppos: file position offset
 750  **/
 751 static ssize_t i40e_dbg_command_write(struct file *filp,
 752                                       const char __user *buffer,
 753                                       size_t count, loff_t *ppos)
 754 {
 755         struct i40e_pf *pf = filp->private_data;
 756         char *cmd_buf, *cmd_buf_tmp;
 757         int bytes_not_copied;
 758         struct i40e_vsi *vsi;
 759         int vsi_seid;
 760         int veb_seid;
 761         int vf_id;
 762         int cnt;
 763
 764         /* don't allow partial writes */
 765         if (*ppos != 0)
 766                 return 0;
 767
 768         cmd_buf = kzalloc(count + 1, GFP_KERNEL);
 769         if (!cmd_buf)
 770                 return count;
 771         bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
 772         if (bytes_not_copied) {
 773                 kfree(cmd_buf);
 774                 return -EFAULT;
 775         }
 776         cmd_buf[count] = '\0';
 777
 778         cmd_buf_tmp = strchr(cmd_buf, '\n');
 779         if (cmd_buf_tmp) {
 780                 *cmd_buf_tmp = '\0';
 781                 count = cmd_buf_tmp - cmd_buf + 1;
 782         }
 783
 784         if (strncmp(cmd_buf, "add vsi", 7) == 0) {
 785                 vsi_seid = -1;
 786                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 787                 if (cnt == 0) {
 788                         /* default to PF VSI */
 789                         vsi_seid = pf->vsi[pf->lan_vsi]->seid;
 790                 } else if (vsi_seid < 0) {
 791                         dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
 792                                  vsi_seid);
 793                         goto command_write_done;
 794                 }
 795
 796                 /* By default we are in VEPA mode, if this is the first VF/VMDq
 797                  * VSI to be added switch to VEB mode.
 798                  */
 799                 if (!test_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags)) {
 800                         set_bit(I40E_FLAG_VEB_MODE_ENA, pf->flags);
 801                         i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
 802                 }
 803
 804                 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
 805                 if (vsi)
 806                         dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
 807                                  vsi->seid, vsi->uplink_seid);
 808                 else
 809                         dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
 810
 811         } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
 812                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 813                 if (cnt != 1) {
 814                         dev_info(&pf->pdev->dev,
 815                                  "del vsi: bad command string, cnt=%d\n",
 816                                  cnt);
 817                         goto command_write_done;
 818                 }
 819                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 820                 if (!vsi) {
 821                         dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
 822                                  vsi_seid);
 823                         goto command_write_done;
 824                 }
 825
 826                 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
 827                 i40e_vsi_release(vsi);
 828
 829         } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
 830                 struct i40e_veb *veb;
 831                 u8 enabled_tc = 0x1;
 832                 int uplink_seid;
 833
 834                 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
 835                 if (cnt == 0) {
 836                         uplink_seid = 0;
 837                         vsi_seid = 0;
 838                 } else if (cnt != 2) {
 839                         dev_info(&pf->pdev->dev,
 840                                  "add relay: bad command string, cnt=%d\n",
 841                                  cnt);
 842                         goto command_write_done;
 843                 } else if (uplink_seid < 0) {
 844                         dev_info(&pf->pdev->dev,
 845                                  "add relay %d: bad uplink seid\n",
 846                                  uplink_seid);
 847                         goto command_write_done;
 848                 }
 849
 850                 if (uplink_seid != 0 && uplink_seid != pf->mac_seid) {
 851                         dev_info(&pf->pdev->dev,
 852                                  "add relay: relay uplink %d not found\n",
 853                                  uplink_seid);
 854                         goto command_write_done;
 855                 } else if (uplink_seid) {
 856                         vsi = i40e_pf_get_vsi_by_seid(pf, vsi_seid);
 857                         if (!vsi) {
 858                                 dev_info(&pf->pdev->dev,
 859                                          "add relay: VSI %d not found\n",
 860                                          vsi_seid);
 861                                 goto command_write_done;
 862                         }
 863                         enabled_tc = vsi->tc_config.enabled_tc;
 864                 } else if (vsi_seid) {
 865                         dev_info(&pf->pdev->dev,
 866                                  "add relay: VSI must be 0 for floating relay\n");
 867                         goto command_write_done;
 868                 }
 869
 870                 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, enabled_tc);
 871                 if (veb)
 872                         dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
 873                 else
 874                         dev_info(&pf->pdev->dev, "add relay failed\n");
 875
 876         } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
 877                 struct i40e_veb *veb;
 878                 int i;
 879
 880                 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
 881                 if (cnt != 1) {
 882                         dev_info(&pf->pdev->dev,
 883                                  "del relay: bad command string, cnt=%d\n",
 884                                  cnt);
 885                         goto command_write_done;
 886                 } else if (veb_seid < 0) {
 887                         dev_info(&pf->pdev->dev,
 888                                  "del relay %d: bad relay seid\n", veb_seid);
 889                         goto command_write_done;
 890                 }
 891
 892                 /* find the veb */
 893                 i40e_pf_for_each_veb(pf, i, veb)
 894                         if (veb->seid == veb_seid)
 895                                 break;
 896
 897                 if (i >= I40E_MAX_VEB) {
 898                         dev_info(&pf->pdev->dev,
 899                                  "del relay: relay %d not found\n", veb_seid);
 900                         goto command_write_done;
 901                 }
 902
 903                 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
 904                 i40e_veb_release(veb);
 905         } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
 906                 unsigned int v;
 907                 int ret;
 908                 u16 vid;
 909
 910                 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
 911                 if (cnt != 2) {
 912                         dev_info(&pf->pdev->dev,
 913                                  "add pvid: bad command string, cnt=%d\n", cnt);
 914                         goto command_write_done;
 915                 }
 916
 917                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 918                 if (!vsi) {
 919                         dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
 920                                  vsi_seid);
 921                         goto command_write_done;
 922                 }
 923
 924                 vid = v;
 925                 ret = i40e_vsi_add_pvid(vsi, vid);
 926                 if (!ret)
 927                         dev_info(&pf->pdev->dev,
 928                                  "add pvid: %d added to VSI %d\n",
 929                                  vid, vsi_seid);
 930                 else
 931                         dev_info(&pf->pdev->dev,
 932                                  "add pvid: %d to VSI %d failed, ret=%d\n",
 933                                  vid, vsi_seid, ret);
 934
 935         } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
 936
 937                 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 938                 if (cnt != 1) {
 939                         dev_info(&pf->pdev->dev,
 940                                  "del pvid: bad command string, cnt=%d\n",
 941                                  cnt);
 942                         goto command_write_done;
 943                 }
 944
 945                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 946                 if (!vsi) {
 947                         dev_info(&pf->pdev->dev,
 948                                  "del pvid: VSI %d not found\n", vsi_seid);
 949                         goto command_write_done;
 950                 }
 951
 952                 i40e_vsi_remove_pvid(vsi);
 953                 dev_info(&pf->pdev->dev,
 954                          "del pvid: removed from VSI %d\n", vsi_seid);
 955
 956         } else if (strncmp(cmd_buf, "dump", 4) == 0) {
 957                 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
 958                         i40e_fetch_switch_configuration(pf, true);
 959                 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
 960                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 961                         if (cnt > 0)
 962                                 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
 963                         else
 964                                 i40e_dbg_dump_vsi_no_seid(pf);
 965                 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
 966                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 967                         if (cnt > 0)
 968                                 i40e_dbg_dump_veb_seid(pf, vsi_seid);
 969                         else
 970                                 i40e_dbg_dump_veb_all(pf);
 971                 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
 972                         cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
 973                         if (cnt > 0)
 974                                 i40e_dbg_dump_vf(pf, vf_id);
 975                         else
 976                                 i40e_dbg_dump_vf_all(pf);
 977                 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
 978                         int ring_id, desc_n;
 979                         if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
 980                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
 981                                              &vsi_seid, &ring_id, &desc_n);
 982                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
 983                                                    desc_n, pf, RING_TYPE_RX);
 984                         } else if (strncmp(&cmd_buf[10], "tx", 2)
 985                                         == 0) {
 986                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
 987                                              &vsi_seid, &ring_id, &desc_n);
 988                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
 989                                                    desc_n, pf, RING_TYPE_TX);
 990                         } else if (strncmp(&cmd_buf[10], "xdp", 3)
 991                                         == 0) {
 992                                 cnt = sscanf(&cmd_buf[13], "%i %i %i",
 993                                              &vsi_seid, &ring_id, &desc_n);
 994                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
 995                                                    desc_n, pf, RING_TYPE_XDP);
 996                         } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
 997                                 i40e_dbg_dump_aq_desc(pf);
 998                         } else {
 999                                 dev_info(&pf->pdev->dev,
1000                                          "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1001                                 dev_info(&pf->pdev->dev,
1002                                          "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1003                                 dev_info(&pf->pdev->dev,
1004                                          "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1005                                 dev_info(&pf->pdev->dev, "dump desc aq\n");
1006                         }
1007                 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1008                         dev_info(&pf->pdev->dev,
1009                                  "core reset count: %d\n", pf->corer_count);
1010                         dev_info(&pf->pdev->dev,
1011                                  "global reset count: %d\n", pf->globr_count);
1012                         dev_info(&pf->pdev->dev,
1013                                  "emp reset count: %d\n", pf->empr_count);
1014                         dev_info(&pf->pdev->dev,
1015                                  "pf reset count: %d\n", pf->pfr_count);
1016                 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1017                         struct i40e_aqc_query_port_ets_config_resp *bw_data;
1018                         struct i40e_dcbx_config *cfg =
1019                                                 &pf->hw.local_dcbx_config;
1020                         struct i40e_dcbx_config *r_cfg =
1021                                                 &pf->hw.remote_dcbx_config;
1022                         int i, ret;
1023                         u16 switch_id;
1024
1025                         bw_data = kzalloc(sizeof(
1026                                     struct i40e_aqc_query_port_ets_config_resp),
1027                                           GFP_KERNEL);
1028                         if (!bw_data) {
1029                                 ret = -ENOMEM;
1030                                 goto command_write_done;
1031                         }
1032
1033                         vsi = pf->vsi[pf->lan_vsi];
1034                         switch_id =
1035                                 le16_to_cpu(vsi->info.switch_id) &
1036                                             I40E_AQ_VSI_SW_ID_MASK;
1037
1038                         ret = i40e_aq_query_port_ets_config(&pf->hw,
1039                                                             switch_id,
1040                                                             bw_data, NULL);
1041                         if (ret) {
1042                                 dev_info(&pf->pdev->dev,
1043                                          "Query Port ETS Config AQ command failed =0x%x\n",
1044                                          pf->hw.aq.asq_last_status);
1045                                 kfree(bw_data);
1046                                 bw_data = NULL;
1047                                 goto command_write_done;
1048                         }
1049                         dev_info(&pf->pdev->dev,
1050                                  "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1051                                  bw_data->tc_valid_bits,
1052                                  bw_data->tc_strict_priority_bits,
1053                                  le16_to_cpu(bw_data->tc_bw_max[0]),
1054                                  le16_to_cpu(bw_data->tc_bw_max[1]));
1055                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1056                                 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1057                                          bw_data->tc_bw_share_credits[i],
1058                                          le16_to_cpu(bw_data->tc_bw_limits[i]));
1059                         }
1060
1061                         kfree(bw_data);
1062                         bw_data = NULL;
1063
1064                         dev_info(&pf->pdev->dev,
1065                                  "port dcbx_mode=%d\n", cfg->dcbx_mode);
1066                         dev_info(&pf->pdev->dev,
1067                                  "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1068                                  cfg->etscfg.willing, cfg->etscfg.cbs,
1069                                  cfg->etscfg.maxtcs);
1070                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1071                                 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1072                                          i, cfg->etscfg.prioritytable[i],
1073                                          cfg->etscfg.tcbwtable[i],
1074                                          cfg->etscfg.tsatable[i]);
1075                         }
1076                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1077                                 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1078                                          i, cfg->etsrec.prioritytable[i],
1079                                          cfg->etsrec.tcbwtable[i],
1080                                          cfg->etsrec.tsatable[i]);
1081                         }
1082                         dev_info(&pf->pdev->dev,
1083                                  "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1084                                  cfg->pfc.willing, cfg->pfc.mbc,
1085                                  cfg->pfc.pfccap, cfg->pfc.pfcenable);
1086                         dev_info(&pf->pdev->dev,
1087                                  "port app_table: num_apps=%d\n", cfg->numapps);
1088                         for (i = 0; i < cfg->numapps; i++) {
1089                                 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1090                                          i, cfg->app[i].priority,
1091                                          cfg->app[i].selector,
1092                                          cfg->app[i].protocolid);
1093                         }
1094                         /* Peer TLV DCBX data */
1095                         dev_info(&pf->pdev->dev,
1096                                  "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1097                                  r_cfg->etscfg.willing,
1098                                  r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1099                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1100                                 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1101                                          i, r_cfg->etscfg.prioritytable[i],
1102                                          r_cfg->etscfg.tcbwtable[i],
1103                                          r_cfg->etscfg.tsatable[i]);
1104                         }
1105                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1106                                 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1107                                          i, r_cfg->etsrec.prioritytable[i],
1108                                          r_cfg->etsrec.tcbwtable[i],
1109                                          r_cfg->etsrec.tsatable[i]);
1110                         }
1111                         dev_info(&pf->pdev->dev,
1112                                  "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1113                                  r_cfg->pfc.willing,
1114                                  r_cfg->pfc.mbc,
1115                                  r_cfg->pfc.pfccap,
1116                                  r_cfg->pfc.pfcenable);
1117                         dev_info(&pf->pdev->dev,
1118                                  "remote port app_table: num_apps=%d\n",
1119                                  r_cfg->numapps);
1120                         for (i = 0; i < r_cfg->numapps; i++) {
1121                                 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1122                                          i, r_cfg->app[i].priority,
1123                                          r_cfg->app[i].selector,
1124                                          r_cfg->app[i].protocolid);
1125                         }
1126                 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1127                         int cluster_id, table_id;
1128                         int index, ret;
1129                         u16 buff_len = 4096;
1130                         u32 next_index;
1131                         u8 next_table;
1132                         u8 *buff;
1133                         u16 rlen;
1134
1135                         cnt = sscanf(&cmd_buf[18], "%i %i %i",
1136                                      &cluster_id, &table_id, &index);
1137                         if (cnt != 3) {
1138                                 dev_info(&pf->pdev->dev,
1139                                          "dump debug fwdata <cluster_id> <table_id> <index>\n");
1140                                 goto command_write_done;
1141                         }
1142
1143                         dev_info(&pf->pdev->dev,
1144                                  "AQ debug dump fwdata params %x %x %x %x\n",
1145                                  cluster_id, table_id, index, buff_len);
1146                         buff = kzalloc(buff_len, GFP_KERNEL);
1147                         if (!buff)
1148                                 goto command_write_done;
1149
1150                         ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1151                                                  index, buff_len, buff, &rlen,
1152                                                  &next_table, &next_index,
1153                                                  NULL);
1154                         if (ret) {
1155                                 dev_info(&pf->pdev->dev,
1156                                          "debug dump fwdata AQ Failed %d 0x%x\n",
1157                                          ret, pf->hw.aq.asq_last_status);
1158                                 kfree(buff);
1159                                 buff = NULL;
1160                                 goto command_write_done;
1161                         }
1162                         dev_info(&pf->pdev->dev,
1163                                  "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1164                                  rlen, next_table, next_index);
1165                         print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1166                                        DUMP_PREFIX_OFFSET, 16, 1,
1167                                        buff, rlen, true);
1168                         kfree(buff);
1169                         buff = NULL;
1170                 } else {
1171                         dev_info(&pf->pdev->dev,
1172                                  "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>], dump desc xdp <vsi_seid> <ring_id> [<desc_n>],\n");
1173                         dev_info(&pf->pdev->dev, "dump switch\n");
1174                         dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1175                         dev_info(&pf->pdev->dev, "dump reset stats\n");
1176                         dev_info(&pf->pdev->dev, "dump port\n");
1177                         dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1178                         dev_info(&pf->pdev->dev,
1179                                  "dump debug fwdata <cluster_id> <table_id> <index>\n");
1180                 }
1181         } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1182                 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1183                 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1184
1185         } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1186                 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1187                 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1188
1189         } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1190                 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1191                 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1192
1193         } else if (strncmp(cmd_buf, "read", 4) == 0) {
1194                 u32 address;
1195                 u32 value;
1196
1197                 cnt = sscanf(&cmd_buf[4], "%i", &address);
1198                 if (cnt != 1) {
1199                         dev_info(&pf->pdev->dev, "read <reg>\n");
1200                         goto command_write_done;
1201                 }
1202
1203                 /* check the range on address */
1204                 if (address > (pf->ioremap_len - sizeof(u32))) {
1205                         dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1206                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1207                         goto command_write_done;
1208                 }
1209
1210                 value = rd32(&pf->hw, address);
1211                 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1212                          address, value);
1213
1214         } else if (strncmp(cmd_buf, "write", 5) == 0) {
1215                 u32 address, value;
1216
1217                 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1218                 if (cnt != 2) {
1219                         dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1220                         goto command_write_done;
1221                 }
1222
1223                 /* check the range on address */
1224                 if (address > (pf->ioremap_len - sizeof(u32))) {
1225                         dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1226                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1227                         goto command_write_done;
1228                 }
1229                 wr32(&pf->hw, address, value);
1230                 value = rd32(&pf->hw, address);
1231                 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1232                          address, value);
1233         } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1234                 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1235                         cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1236                         if (cnt == 0) {
1237                                 int i;
1238
1239                                 i40e_pf_for_each_vsi(pf, i, vsi)
1240                                         i40e_vsi_reset_stats(vsi);
1241                                 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1242                         } else if (cnt == 1) {
1243                                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1244                                 if (!vsi) {
1245                                         dev_info(&pf->pdev->dev,
1246                                                  "clear_stats vsi: bad vsi %d\n",
1247                                                  vsi_seid);
1248                                         goto command_write_done;
1249                                 }
1250                                 i40e_vsi_reset_stats(vsi);
1251                                 dev_info(&pf->pdev->dev,
1252                                          "vsi clear stats called for vsi %d\n",
1253                                          vsi_seid);
1254                         } else {
1255                                 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1256                         }
1257                 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1258                         if (pf->hw.partition_id == 1) {
1259                                 i40e_pf_reset_stats(pf);
1260                                 dev_info(&pf->pdev->dev, "port stats cleared\n");
1261                         } else {
1262                                 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1263                         }
1264                 } else {
1265                         dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1266                 }
1267         } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1268                 struct i40e_aq_desc *desc;
1269                 int ret;
1270
1271                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1272                 if (!desc)
1273                         goto command_write_done;
1274                 cnt = sscanf(&cmd_buf[11],
1275                              "%hi %hi %hi %hi %i %i %i %i %i %i",
1276                              &desc->flags,
1277                              &desc->opcode, &desc->datalen, &desc->retval,
1278                              &desc->cookie_high, &desc->cookie_low,
1279                              &desc->params.internal.param0,
1280                              &desc->params.internal.param1,
1281                              &desc->params.internal.param2,
1282                              &desc->params.internal.param3);
1283                 if (cnt != 10) {
1284                         dev_info(&pf->pdev->dev,
1285                                  "send aq_cmd: bad command string, cnt=%d\n",
1286                                  cnt);
1287                         kfree(desc);
1288                         desc = NULL;
1289                         goto command_write_done;
1290                 }
1291                 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1292                 if (!ret) {
1293                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1294                 } else if (ret == -EIO) {
1295                         dev_info(&pf->pdev->dev,
1296                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1297                                  desc->opcode, pf->hw.aq.asq_last_status);
1298                 } else {
1299                         dev_info(&pf->pdev->dev,
1300                                  "AQ command send failed Opcode %x Status: %d\n",
1301                                  desc->opcode, ret);
1302                 }
1303                 dev_info(&pf->pdev->dev,
1304                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1305                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1306                          desc->cookie_high, desc->cookie_low,
1307                          desc->params.internal.param0,
1308                          desc->params.internal.param1,
1309                          desc->params.internal.param2,
1310                          desc->params.internal.param3);
1311                 kfree(desc);
1312                 desc = NULL;
1313         } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1314                 struct i40e_aq_desc *desc;
1315                 u16 buffer_len;
1316                 u8 *buff;
1317                 int ret;
1318
1319                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1320                 if (!desc)
1321                         goto command_write_done;
1322                 cnt = sscanf(&cmd_buf[20],
1323                              "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1324                              &desc->flags,
1325                              &desc->opcode, &desc->datalen, &desc->retval,
1326                              &desc->cookie_high, &desc->cookie_low,
1327                              &desc->params.internal.param0,
1328                              &desc->params.internal.param1,
1329                              &desc->params.internal.param2,
1330                              &desc->params.internal.param3,
1331                              &buffer_len);
1332                 if (cnt != 11) {
1333                         dev_info(&pf->pdev->dev,
1334                                  "send indirect aq_cmd: bad command string, cnt=%d\n",
1335                                  cnt);
1336                         kfree(desc);
1337                         desc = NULL;
1338                         goto command_write_done;
1339                 }
1340                 /* Just stub a buffer big enough in case user messed up */
1341                 if (buffer_len == 0)
1342                         buffer_len = 1280;
1343
1344                 buff = kzalloc(buffer_len, GFP_KERNEL);
1345                 if (!buff) {
1346                         kfree(desc);
1347                         desc = NULL;
1348                         goto command_write_done;
1349                 }
1350                 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1351                 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1352                                             buffer_len, NULL);
1353                 if (!ret) {
1354                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1355                 } else if (ret == -EIO) {
1356                         dev_info(&pf->pdev->dev,
1357                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1358                                  desc->opcode, pf->hw.aq.asq_last_status);
1359                 } else {
1360                         dev_info(&pf->pdev->dev,
1361                                  "AQ command send failed Opcode %x Status: %d\n",
1362                                  desc->opcode, ret);
1363                 }
1364                 dev_info(&pf->pdev->dev,
1365                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1366                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1367                          desc->cookie_high, desc->cookie_low,
1368                          desc->params.internal.param0,
1369                          desc->params.internal.param1,
1370                          desc->params.internal.param2,
1371                          desc->params.internal.param3);
1372                 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1373                                DUMP_PREFIX_OFFSET, 16, 1,
1374                                buff, buffer_len, true);
1375                 kfree(buff);
1376                 buff = NULL;
1377                 kfree(desc);
1378                 desc = NULL;
1379         } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1380                 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1381                          i40e_get_current_fd_count(pf));
1382         } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1383                 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1384                         int ret;
1385
1386                         ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL);
1387                         if (ret) {
1388                                 dev_info(&pf->pdev->dev,
1389                                          "Stop LLDP AQ command failed =0x%x\n",
1390                                          pf->hw.aq.asq_last_status);
1391                                 goto command_write_done;
1392                         }
1393                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1394                                                 pf->hw.mac.addr,
1395                                                 ETH_P_LLDP, 0,
1396                                                 pf->vsi[pf->lan_vsi]->seid,
1397                                                 0, true, NULL, NULL);
1398                         if (ret) {
1399                                 dev_info(&pf->pdev->dev,
1400                                         "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1401                                         __func__, pf->hw.aq.asq_last_status);
1402                                 goto command_write_done;
1403                         }
1404 #ifdef CONFIG_I40E_DCB
1405                         pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1406                                        DCB_CAP_DCBX_VER_IEEE;
1407 #endif /* CONFIG_I40E_DCB */
1408                 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1409                         int ret;
1410
1411                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1412                                                 pf->hw.mac.addr,
1413                                                 ETH_P_LLDP, 0,
1414                                                 pf->vsi[pf->lan_vsi]->seid,
1415                                                 0, false, NULL, NULL);
1416                         if (ret) {
1417                                 dev_info(&pf->pdev->dev,
1418                                         "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1419                                         __func__, pf->hw.aq.asq_last_status);
1420                                 /* Continue and start FW LLDP anyways */
1421                         }
1422
1423                         ret = i40e_aq_start_lldp(&pf->hw, false, NULL);
1424                         if (ret) {
1425                                 dev_info(&pf->pdev->dev,
1426                                          "Start LLDP AQ command failed =0x%x\n",
1427                                          pf->hw.aq.asq_last_status);
1428                                 goto command_write_done;
1429                         }
1430 #ifdef CONFIG_I40E_DCB
1431                         pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1432                                        DCB_CAP_DCBX_VER_IEEE;
1433 #endif /* CONFIG_I40E_DCB */
1434                 } else if (strncmp(&cmd_buf[5],
1435                            "get local", 9) == 0) {
1436                         u16 llen, rlen;
1437                         int ret;
1438                         u8 *buff;
1439
1440                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1441                         if (!buff)
1442                                 goto command_write_done;
1443
1444                         ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1445                                                    I40E_AQ_LLDP_MIB_LOCAL,
1446                                                    buff, I40E_LLDPDU_SIZE,
1447                                                    &llen, &rlen, NULL);
1448                         if (ret) {
1449                                 dev_info(&pf->pdev->dev,
1450                                          "Get LLDP MIB (local) AQ command failed =0x%x\n",
1451                                          pf->hw.aq.asq_last_status);
1452                                 kfree(buff);
1453                                 buff = NULL;
1454                                 goto command_write_done;
1455                         }
1456                         dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1457                         print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1458                                        DUMP_PREFIX_OFFSET, 16, 1,
1459                                        buff, I40E_LLDPDU_SIZE, true);
1460                         kfree(buff);
1461                         buff = NULL;
1462                 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1463                         u16 llen, rlen;
1464                         int ret;
1465                         u8 *buff;
1466
1467                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1468                         if (!buff)
1469                                 goto command_write_done;
1470
1471                         ret = i40e_aq_get_lldp_mib(&pf->hw,
1472                                         I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1473                                         I40E_AQ_LLDP_MIB_REMOTE,
1474                                         buff, I40E_LLDPDU_SIZE,
1475                                         &llen, &rlen, NULL);
1476                         if (ret) {
1477                                 dev_info(&pf->pdev->dev,
1478                                          "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1479                                          pf->hw.aq.asq_last_status);
1480                                 kfree(buff);
1481                                 buff = NULL;
1482                                 goto command_write_done;
1483                         }
1484                         dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1485                         print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1486                                        DUMP_PREFIX_OFFSET, 16, 1,
1487                                        buff, I40E_LLDPDU_SIZE, true);
1488                         kfree(buff);
1489                         buff = NULL;
1490                 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1491                         int ret;
1492
1493                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1494                                                                 true, NULL);
1495                         if (ret) {
1496                                 dev_info(&pf->pdev->dev,
1497                                          "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1498                                          pf->hw.aq.asq_last_status);
1499                                 goto command_write_done;
1500                         }
1501                 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1502                         int ret;
1503
1504                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1505                                                                 false, NULL);
1506                         if (ret) {
1507                                 dev_info(&pf->pdev->dev,
1508                                          "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1509                                          pf->hw.aq.asq_last_status);
1510                                 goto command_write_done;
1511                         }
1512                 }
1513         } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1514                 u16 buffer_len, bytes;
1515                 u16 module;
1516                 u32 offset;
1517                 u16 *buff;
1518                 int ret;
1519
1520                 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1521                              &module, &offset, &buffer_len);
1522                 if (cnt == 0) {
1523                         module = 0;
1524                         offset = 0;
1525                         buffer_len = 0;
1526                 } else if (cnt == 1) {
1527                         offset = 0;
1528                         buffer_len = 0;
1529                 } else if (cnt == 2) {
1530                         buffer_len = 0;
1531                 } else if (cnt > 3) {
1532                         dev_info(&pf->pdev->dev,
1533                                  "nvm read: bad command string, cnt=%d\n", cnt);
1534                         goto command_write_done;
1535                 }
1536
1537                 /* set the max length */
1538                 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1539
1540                 bytes = 2 * buffer_len;
1541
1542                 /* read at least 1k bytes, no more than 4kB */
1543                 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1544                 buff = kzalloc(bytes, GFP_KERNEL);
1545                 if (!buff)
1546                         goto command_write_done;
1547
1548                 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1549                 if (ret) {
1550                         dev_info(&pf->pdev->dev,
1551                                  "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1552                                  ret, pf->hw.aq.asq_last_status);
1553                         kfree(buff);
1554                         goto command_write_done;
1555                 }
1556
1557                 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1558                                        bytes, (u8 *)buff, true, NULL);
1559                 i40e_release_nvm(&pf->hw);
1560                 if (ret) {
1561                         dev_info(&pf->pdev->dev,
1562                                  "Read NVM AQ failed err=%d status=0x%x\n",
1563                                  ret, pf->hw.aq.asq_last_status);
1564                 } else {
1565                         dev_info(&pf->pdev->dev,
1566                                  "Read NVM module=0x%x offset=0x%x words=%d\n",
1567                                  module, offset, buffer_len);
1568                         if (bytes)
1569                                 print_hex_dump(KERN_INFO, "NVM Dump: ",
1570                                         DUMP_PREFIX_OFFSET, 16, 2,
1571                                         buff, bytes, true);
1572                 }
1573                 kfree(buff);
1574                 buff = NULL;
1575         } else {
1576                 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1577                 dev_info(&pf->pdev->dev, "available commands\n");
1578                 dev_info(&pf->pdev->dev, "  add vsi [relay_seid]\n");
1579                 dev_info(&pf->pdev->dev, "  del vsi [vsi_seid]\n");
1580                 dev_info(&pf->pdev->dev, "  add relay <uplink_seid> <vsi_seid>\n");
1581                 dev_info(&pf->pdev->dev, "  del relay <relay_seid>\n");
1582                 dev_info(&pf->pdev->dev, "  add pvid <vsi_seid> <vid>\n");
1583                 dev_info(&pf->pdev->dev, "  del pvid <vsi_seid>\n");
1584                 dev_info(&pf->pdev->dev, "  dump switch\n");
1585                 dev_info(&pf->pdev->dev, "  dump vsi [seid]\n");
1586                 dev_info(&pf->pdev->dev, "  dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1587                 dev_info(&pf->pdev->dev, "  dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1588                 dev_info(&pf->pdev->dev, "  dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n");
1589                 dev_info(&pf->pdev->dev, "  dump desc aq\n");
1590                 dev_info(&pf->pdev->dev, "  dump reset stats\n");
1591                 dev_info(&pf->pdev->dev, "  dump debug fwdata <cluster_id> <table_id> <index>\n");
1592                 dev_info(&pf->pdev->dev, "  read <reg>\n");
1593                 dev_info(&pf->pdev->dev, "  write <reg> <value>\n");
1594                 dev_info(&pf->pdev->dev, "  clear_stats vsi [seid]\n");
1595                 dev_info(&pf->pdev->dev, "  clear_stats port\n");
1596                 dev_info(&pf->pdev->dev, "  pfr\n");
1597                 dev_info(&pf->pdev->dev, "  corer\n");
1598                 dev_info(&pf->pdev->dev, "  globr\n");
1599                 dev_info(&pf->pdev->dev, "  send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1600                 dev_info(&pf->pdev->dev, "  send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1601                 dev_info(&pf->pdev->dev, "  fd current cnt");
1602                 dev_info(&pf->pdev->dev, "  lldp start\n");
1603                 dev_info(&pf->pdev->dev, "  lldp stop\n");
1604                 dev_info(&pf->pdev->dev, "  lldp get local\n");
1605                 dev_info(&pf->pdev->dev, "  lldp get remote\n");
1606                 dev_info(&pf->pdev->dev, "  lldp event on\n");
1607                 dev_info(&pf->pdev->dev, "  lldp event off\n");
1608                 dev_info(&pf->pdev->dev, "  nvm read [module] [word_offset] [word_count]\n");
1609         }
1610
1611 command_write_done:
1612         kfree(cmd_buf);
1613         cmd_buf = NULL;
1614         return count;
1615 }
1616
1617 static const struct file_operations i40e_dbg_command_fops = {
1618         .owner = THIS_MODULE,
1619         .open =  simple_open,
1620         .read =  i40e_dbg_command_read,
1621         .write = i40e_dbg_command_write,
1622 };
1623
1624 /**************************************************************
1625  * netdev_ops
1626  * The netdev_ops entry in debugfs is for giving the driver commands
1627  * to be executed from the netdev operations.
1628  **************************************************************/
1629 static char i40e_dbg_netdev_ops_buf[256] = "";
1630
1631 /**
1632  * i40e_dbg_netdev_ops_read - read for netdev_ops datum
1633  * @filp: the opened file
1634  * @buffer: where to write the data for the user to read
1635  * @count: the size of the user's buffer
1636  * @ppos: file position offset
1637  **/
1638 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1639                                         size_t count, loff_t *ppos)
1640 {
1641         struct i40e_pf *pf = filp->private_data;
1642         int bytes_not_copied;
1643         int buf_size = 256;
1644         char *buf;
1645         int len;
1646
1647         /* don't allow partal reads */
1648         if (*ppos != 0)
1649                 return 0;
1650         if (count < buf_size)
1651                 return -ENOSPC;
1652
1653         buf = kzalloc(buf_size, GFP_KERNEL);
1654         if (!buf)
1655                 return -ENOSPC;
1656
1657         len = snprintf(buf, buf_size, "%s: %s\n",
1658                        pf->vsi[pf->lan_vsi]->netdev->name,
1659                        i40e_dbg_netdev_ops_buf);
1660
1661         bytes_not_copied = copy_to_user(buffer, buf, len);
1662         kfree(buf);
1663
1664         if (bytes_not_copied)
1665                 return -EFAULT;
1666
1667         *ppos = len;
1668         return len;
1669 }
1670
1671 /**
1672  * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1673  * @filp: the opened file
1674  * @buffer: where to find the user's data
1675  * @count: the length of the user's data
1676  * @ppos: file position offset
1677  **/
1678 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1679                                          const char __user *buffer,
1680                                          size_t count, loff_t *ppos)
1681 {
1682         struct i40e_pf *pf = filp->private_data;
1683         int bytes_not_copied;
1684         struct i40e_vsi *vsi;
1685         char *buf_tmp;
1686         int vsi_seid;
1687         int i, cnt;
1688
1689         /* don't allow partial writes */
1690         if (*ppos != 0)
1691                 return 0;
1692         if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1693                 return -ENOSPC;
1694
1695         memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1696         bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1697                                           buffer, count);
1698         if (bytes_not_copied)
1699                 return -EFAULT;
1700         i40e_dbg_netdev_ops_buf[count] = '\0';
1701
1702         buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1703         if (buf_tmp) {
1704                 *buf_tmp = '\0';
1705                 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1706         }
1707
1708         if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1709                 int mtu;
1710
1711                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1712                              &vsi_seid, &mtu);
1713                 if (cnt != 2) {
1714                         dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1715                         goto netdev_ops_write_done;
1716                 }
1717                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1718                 if (!vsi) {
1719                         dev_info(&pf->pdev->dev,
1720                                  "change_mtu: VSI %d not found\n", vsi_seid);
1721                 } else if (!vsi->netdev) {
1722                         dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1723                                  vsi_seid);
1724                 } else if (rtnl_trylock()) {
1725                         vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1726                                                                 mtu);
1727                         rtnl_unlock();
1728                         dev_info(&pf->pdev->dev, "change_mtu called\n");
1729                 } else {
1730                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1731                 }
1732
1733         } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1734                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1735                 if (cnt != 1) {
1736                         dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1737                         goto netdev_ops_write_done;
1738                 }
1739                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1740                 if (!vsi) {
1741                         dev_info(&pf->pdev->dev,
1742                                  "set_rx_mode: VSI %d not found\n", vsi_seid);
1743                 } else if (!vsi->netdev) {
1744                         dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1745                                  vsi_seid);
1746                 } else if (rtnl_trylock()) {
1747                         vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1748                         rtnl_unlock();
1749                         dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1750                 } else {
1751                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1752                 }
1753
1754         } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1755                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1756                 if (cnt != 1) {
1757                         dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1758                         goto netdev_ops_write_done;
1759                 }
1760                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1761                 if (!vsi) {
1762                         dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1763                                  vsi_seid);
1764                 } else if (!vsi->netdev) {
1765                         dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1766                                  vsi_seid);
1767                 } else {
1768                         for (i = 0; i < vsi->num_q_vectors; i++)
1769                                 napi_schedule(&vsi->q_vectors[i]->napi);
1770                         dev_info(&pf->pdev->dev, "napi called\n");
1771                 }
1772         } else {
1773                 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1774                          i40e_dbg_netdev_ops_buf);
1775                 dev_info(&pf->pdev->dev, "available commands\n");
1776                 dev_info(&pf->pdev->dev, "  change_mtu <vsi_seid> <mtu>\n");
1777                 dev_info(&pf->pdev->dev, "  set_rx_mode <vsi_seid>\n");
1778                 dev_info(&pf->pdev->dev, "  napi <vsi_seid>\n");
1779         }
1780 netdev_ops_write_done:
1781         return count;
1782 }
1783
1784 static const struct file_operations i40e_dbg_netdev_ops_fops = {
1785         .owner = THIS_MODULE,
1786         .open = simple_open,
1787         .read = i40e_dbg_netdev_ops_read,
1788         .write = i40e_dbg_netdev_ops_write,
1789 };
1790
1791 /**
1792  * i40e_dbg_pf_init - setup the debugfs directory for the PF
1793  * @pf: the PF that is starting up
1794  **/
1795 void i40e_dbg_pf_init(struct i40e_pf *pf)
1796 {
1797         const char *name = pci_name(pf->pdev);
1798
1799         pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1800
1801         debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1802                             &i40e_dbg_command_fops);
1803
1804         debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1805                             &i40e_dbg_netdev_ops_fops);
1806 }
1807
1808 /**
1809  * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1810  * @pf: the PF that is stopping
1811  **/
1812 void i40e_dbg_pf_exit(struct i40e_pf *pf)
1813 {
1814         debugfs_remove_recursive(pf->i40e_dbg_pf);
1815         pf->i40e_dbg_pf = NULL;
1816 }
1817
1818 /**
1819  * i40e_dbg_init - start up debugfs for the driver
1820  **/
1821 void i40e_dbg_init(void)
1822 {
1823         i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1824         if (IS_ERR(i40e_dbg_root))
1825                 pr_info("init of debugfs failed\n");
1826 }
1827
1828 /**
1829  * i40e_dbg_exit - clean out the driver's debugfs entries
1830  **/
1831 void i40e_dbg_exit(void)
1832 {
1833         debugfs_remove_recursive(i40e_dbg_root);
1834         i40e_dbg_root = NULL;
1835 }
1836
1837 #endif /* CONFIG_DEBUG_FS */