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

   1 /*******************************************************************************
   2  *
   3  * Intel Ethernet Controller XL710 Family Linux Driver
   4  * Copyright(c) 2013 - 2016 Intel Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * The full GNU General Public License is included in this distribution in
  19  * the file called "COPYING".
  20  *
  21  * Contact Information:
  22  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  ******************************************************************************/
  26
  27 #ifdef CONFIG_DEBUG_FS
  28
  29 #include <linux/fs.h>
  30 #include <linux/debugfs.h>
  31
  32 #include "i40e.h"
  33
  34 static struct dentry *i40e_dbg_root;
  35
  36 /**
  37  * i40e_dbg_find_vsi - searches for the vsi with the given seid
  38  * @pf - the PF structure to search for the vsi
  39  * @seid - seid of the vsi it is searching for
  40  **/
  41 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
  42 {
  43         int i;
  44
  45         if (seid < 0)
  46                 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
  47         else
  48                 for (i = 0; i < pf->num_alloc_vsi; i++)
  49                         if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
  50                                 return pf->vsi[i];
  51
  52         return NULL;
  53 }
  54
  55 /**
  56  * i40e_dbg_find_veb - searches for the veb with the given seid
  57  * @pf - the PF structure to search for the veb
  58  * @seid - seid of the veb it is searching for
  59  **/
  60 static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
  61 {
  62         int i;
  63
  64         for (i = 0; i < I40E_MAX_VEB; i++)
  65                 if (pf->veb[i] && pf->veb[i]->seid == seid)
  66                         return pf->veb[i];
  67         return NULL;
  68 }
  69
  70 /**************************************************************
  71  * command
  72  * The command entry in debugfs is for giving the driver commands
  73  * to be executed - these may be for changing the internal switch
  74  * setup, adding or removing filters, or other things.  Many of
  75  * these will be useful for some forms of unit testing.
  76  **************************************************************/
  77 static char i40e_dbg_command_buf[256] = "";
  78
  79 /**
  80  * i40e_dbg_command_read - read for command datum
  81  * @filp: the opened file
  82  * @buffer: where to write the data for the user to read
  83  * @count: the size of the user's buffer
  84  * @ppos: file position offset
  85  **/
  86 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
  87                                      size_t count, loff_t *ppos)
  88 {
  89         struct i40e_pf *pf = filp->private_data;
  90         int bytes_not_copied;
  91         int buf_size = 256;
  92         char *buf;
  93         int len;
  94
  95         /* don't allow partial reads */
  96         if (*ppos != 0)
  97                 return 0;
  98         if (count < buf_size)
  99                 return -ENOSPC;
 100
 101         buf = kzalloc(buf_size, GFP_KERNEL);
 102         if (!buf)
 103                 return -ENOSPC;
 104
 105         len = snprintf(buf, buf_size, "%s: %s\n",
 106                        pf->vsi[pf->lan_vsi]->netdev->name,
 107                        i40e_dbg_command_buf);
 108
 109         bytes_not_copied = copy_to_user(buffer, buf, len);
 110         kfree(buf);
 111
 112         if (bytes_not_copied)
 113                 return -EFAULT;
 114
 115         *ppos = len;
 116         return len;
 117 }
 118
 119 static char *i40e_filter_state_string[] = {
 120         "INVALID",
 121         "NEW",
 122         "ACTIVE",
 123         "FAILED",
 124         "REMOVE",
 125 };
 126
 127 /**
 128  * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
 129  * @pf: the i40e_pf created in command write
 130  * @seid: the seid the user put in
 131  **/
 132 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
 133 {
 134         struct rtnl_link_stats64 *nstat;
 135         struct i40e_mac_filter *f;
 136         struct i40e_vsi *vsi;
 137         int i, bkt;
 138
 139         vsi = i40e_dbg_find_vsi(pf, seid);
 140         if (!vsi) {
 141                 dev_info(&pf->pdev->dev,
 142                          "dump %d: seid not found\n", seid);
 143                 return;
 144         }
 145         dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
 146         if (vsi->netdev) {
 147                 struct net_device *nd = vsi->netdev;
 148
 149                 dev_info(&pf->pdev->dev, "    netdev: name = %s, state = %lu, flags = 0x%08x\n",
 150                          nd->name, nd->state, nd->flags);
 151                 dev_info(&pf->pdev->dev, "        features      = 0x%08lx\n",
 152                          (unsigned long int)nd->features);
 153                 dev_info(&pf->pdev->dev, "        hw_features   = 0x%08lx\n",
 154                          (unsigned long int)nd->hw_features);
 155                 dev_info(&pf->pdev->dev, "        vlan_features = 0x%08lx\n",
 156                          (unsigned long int)nd->vlan_features);
 157         }
 158         dev_info(&pf->pdev->dev,
 159                  "    vlgrp: & = %p\n", vsi->active_vlans);
 160         dev_info(&pf->pdev->dev,
 161                  "    flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
 162                  vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags);
 163         for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++)
 164                 dev_info(&pf->pdev->dev,
 165                          "    state[%d] = %08lx\n",
 166                          i, vsi->state[i]);
 167         if (vsi == pf->vsi[pf->lan_vsi])
 168                 dev_info(&pf->pdev->dev, "    MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
 169                          pf->hw.mac.addr,
 170                          pf->hw.mac.san_addr,
 171                          pf->hw.mac.port_addr);
 172         hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
 173                 dev_info(&pf->pdev->dev,
 174                          "    mac_filter_hash: %pM vid=%d, state %s\n",
 175                          f->macaddr, f->vlan,
 176                          i40e_filter_state_string[f->state]);
 177         }
 178         dev_info(&pf->pdev->dev, "    active_filters %u, promisc_threshold %u, overflow promisc %s\n",
 179                  vsi->active_filters, vsi->promisc_threshold,
 180                  (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ?
 181                   "ON" : "OFF"));
 182         nstat = i40e_get_vsi_stats_struct(vsi);
 183         dev_info(&pf->pdev->dev,
 184                  "    net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
 185                  (unsigned long int)nstat->rx_packets,
 186                  (unsigned long int)nstat->rx_bytes,
 187                  (unsigned long int)nstat->rx_errors,
 188                  (unsigned long int)nstat->rx_dropped);
 189         dev_info(&pf->pdev->dev,
 190                  "    net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
 191                  (unsigned long int)nstat->tx_packets,
 192                  (unsigned long int)nstat->tx_bytes,
 193                  (unsigned long int)nstat->tx_errors,
 194                  (unsigned long int)nstat->tx_dropped);
 195         dev_info(&pf->pdev->dev,
 196                  "    net_stats: multicast = %lu, collisions = %lu\n",
 197                  (unsigned long int)nstat->multicast,
 198                  (unsigned long int)nstat->collisions);
 199         dev_info(&pf->pdev->dev,
 200                  "    net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
 201                  (unsigned long int)nstat->rx_length_errors,
 202                  (unsigned long int)nstat->rx_over_errors,
 203                  (unsigned long int)nstat->rx_crc_errors);
 204         dev_info(&pf->pdev->dev,
 205                  "    net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
 206                  (unsigned long int)nstat->rx_frame_errors,
 207                  (unsigned long int)nstat->rx_fifo_errors,
 208                  (unsigned long int)nstat->rx_missed_errors);
 209         dev_info(&pf->pdev->dev,
 210                  "    net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
 211                  (unsigned long int)nstat->tx_aborted_errors,
 212                  (unsigned long int)nstat->tx_carrier_errors,
 213                  (unsigned long int)nstat->tx_fifo_errors);
 214         dev_info(&pf->pdev->dev,
 215                  "    net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
 216                  (unsigned long int)nstat->tx_heartbeat_errors,
 217                  (unsigned long int)nstat->tx_window_errors);
 218         dev_info(&pf->pdev->dev,
 219                  "    net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
 220                  (unsigned long int)nstat->rx_compressed,
 221                  (unsigned long int)nstat->tx_compressed);
 222         dev_info(&pf->pdev->dev,
 223                  "    net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
 224                  (unsigned long int)vsi->net_stats_offsets.rx_packets,
 225                  (unsigned long int)vsi->net_stats_offsets.rx_bytes,
 226                  (unsigned long int)vsi->net_stats_offsets.rx_errors,
 227                  (unsigned long int)vsi->net_stats_offsets.rx_dropped);
 228         dev_info(&pf->pdev->dev,
 229                  "    net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
 230                  (unsigned long int)vsi->net_stats_offsets.tx_packets,
 231                  (unsigned long int)vsi->net_stats_offsets.tx_bytes,
 232                  (unsigned long int)vsi->net_stats_offsets.tx_errors,
 233                  (unsigned long int)vsi->net_stats_offsets.tx_dropped);
 234         dev_info(&pf->pdev->dev,
 235                  "    net_stats_offsets: multicast = %lu, collisions = %lu\n",
 236                  (unsigned long int)vsi->net_stats_offsets.multicast,
 237                  (unsigned long int)vsi->net_stats_offsets.collisions);
 238         dev_info(&pf->pdev->dev,
 239                  "    net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
 240                  (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
 241                  (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
 242                  (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
 243         dev_info(&pf->pdev->dev,
 244                  "    net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
 245                  (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
 246                  (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
 247                  (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
 248         dev_info(&pf->pdev->dev,
 249                  "    net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
 250                  (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
 251                  (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
 252                  (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
 253         dev_info(&pf->pdev->dev,
 254                  "    net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
 255                  (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
 256                  (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
 257         dev_info(&pf->pdev->dev,
 258                  "    net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
 259                  (unsigned long int)vsi->net_stats_offsets.rx_compressed,
 260                  (unsigned long int)vsi->net_stats_offsets.tx_compressed);
 261         dev_info(&pf->pdev->dev,
 262                  "    tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
 263                  vsi->tx_restart, vsi->tx_busy,
 264                  vsi->rx_buf_failed, vsi->rx_page_failed);
 265         rcu_read_lock();
 266         for (i = 0; i < vsi->num_queue_pairs; i++) {
 267                 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]);
 268
 269                 if (!rx_ring)
 270                         continue;
 271
 272                 dev_info(&pf->pdev->dev,
 273                          "    rx_rings[%i]: desc = %p\n",
 274                          i, rx_ring->desc);
 275                 dev_info(&pf->pdev->dev,
 276                          "    rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
 277                          i, rx_ring->dev,
 278                          rx_ring->netdev,
 279                          rx_ring->rx_bi);
 280                 dev_info(&pf->pdev->dev,
 281                          "    rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
 282                          i, rx_ring->state,
 283                          rx_ring->queue_index,
 284                          rx_ring->reg_idx);
 285                 dev_info(&pf->pdev->dev,
 286                          "    rx_rings[%i]: rx_buf_len = %d\n",
 287                          i, rx_ring->rx_buf_len);
 288                 dev_info(&pf->pdev->dev,
 289                          "    rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 290                          i,
 291                          rx_ring->next_to_use,
 292                          rx_ring->next_to_clean,
 293                          rx_ring->ring_active);
 294                 dev_info(&pf->pdev->dev,
 295                          "    rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
 296                          i, rx_ring->stats.packets,
 297                          rx_ring->stats.bytes,
 298                          rx_ring->rx_stats.non_eop_descs);
 299                 dev_info(&pf->pdev->dev,
 300                          "    rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
 301                          i,
 302                          rx_ring->rx_stats.alloc_page_failed,
 303                          rx_ring->rx_stats.alloc_buff_failed);
 304                 dev_info(&pf->pdev->dev,
 305                          "    rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
 306                          i,
 307                          rx_ring->rx_stats.realloc_count,
 308                          rx_ring->rx_stats.page_reuse_count);
 309                 dev_info(&pf->pdev->dev,
 310                          "    rx_rings[%i]: size = %i, dma = 0x%08lx\n",
 311                          i, rx_ring->size,
 312                          (unsigned long int)rx_ring->dma);
 313                 dev_info(&pf->pdev->dev,
 314                          "    rx_rings[%i]: vsi = %p, q_vector = %p\n",
 315                          i, rx_ring->vsi,
 316                          rx_ring->q_vector);
 317                 dev_info(&pf->pdev->dev,
 318                          "    rx_rings[%i]: rx_itr_setting = %d (%s)\n",
 319                          i, rx_ring->rx_itr_setting,
 320                          ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed");
 321         }
 322         for (i = 0; i < vsi->num_queue_pairs; i++) {
 323                 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]);
 324
 325                 if (!tx_ring)
 326                         continue;
 327
 328                 dev_info(&pf->pdev->dev,
 329                          "    tx_rings[%i]: desc = %p\n",
 330                          i, tx_ring->desc);
 331                 dev_info(&pf->pdev->dev,
 332                          "    tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
 333                          i, tx_ring->dev,
 334                          tx_ring->netdev,
 335                          tx_ring->tx_bi);
 336                 dev_info(&pf->pdev->dev,
 337                          "    tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
 338                          i, tx_ring->state,
 339                          tx_ring->queue_index,
 340                          tx_ring->reg_idx);
 341                 dev_info(&pf->pdev->dev,
 342                          "    tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 343                          i,
 344                          tx_ring->next_to_use,
 345                          tx_ring->next_to_clean,
 346                          tx_ring->ring_active);
 347                 dev_info(&pf->pdev->dev,
 348                          "    tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
 349                          i, tx_ring->stats.packets,
 350                          tx_ring->stats.bytes,
 351                          tx_ring->tx_stats.restart_queue);
 352                 dev_info(&pf->pdev->dev,
 353                          "    tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
 354                          i,
 355                          tx_ring->tx_stats.tx_busy,
 356                          tx_ring->tx_stats.tx_done_old);
 357                 dev_info(&pf->pdev->dev,
 358                          "    tx_rings[%i]: size = %i, dma = 0x%08lx\n",
 359                          i, tx_ring->size,
 360                          (unsigned long int)tx_ring->dma);
 361                 dev_info(&pf->pdev->dev,
 362                          "    tx_rings[%i]: vsi = %p, q_vector = %p\n",
 363                          i, tx_ring->vsi,
 364                          tx_ring->q_vector);
 365                 dev_info(&pf->pdev->dev,
 366                          "    tx_rings[%i]: DCB tc = %d\n",
 367                          i, tx_ring->dcb_tc);
 368                 dev_info(&pf->pdev->dev,
 369                          "    tx_rings[%i]: tx_itr_setting = %d (%s)\n",
 370                          i, tx_ring->tx_itr_setting,
 371                          ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed");
 372         }
 373         rcu_read_unlock();
 374         dev_info(&pf->pdev->dev,
 375                  "    work_limit = %d\n",
 376                  vsi->work_limit);
 377         dev_info(&pf->pdev->dev,
 378                  "    max_frame = %d, rx_buf_len = %d dtype = %d\n",
 379                  vsi->max_frame, vsi->rx_buf_len, 0);
 380         dev_info(&pf->pdev->dev,
 381                  "    num_q_vectors = %i, base_vector = %i\n",
 382                  vsi->num_q_vectors, vsi->base_vector);
 383         dev_info(&pf->pdev->dev,
 384                  "    seid = %d, id = %d, uplink_seid = %d\n",
 385                  vsi->seid, vsi->id, vsi->uplink_seid);
 386         dev_info(&pf->pdev->dev,
 387                  "    base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
 388                  vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
 389         dev_info(&pf->pdev->dev, "    type = %i\n", vsi->type);
 390         if (vsi->type == I40E_VSI_SRIOV)
 391                 dev_info(&pf->pdev->dev, "    VF ID = %i\n", vsi->vf_id);
 392         dev_info(&pf->pdev->dev,
 393                  "    info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
 394                  vsi->info.valid_sections, vsi->info.switch_id);
 395         dev_info(&pf->pdev->dev,
 396                  "    info: sw_reserved[] = 0x%02x 0x%02x\n",
 397                  vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
 398         dev_info(&pf->pdev->dev,
 399                  "    info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
 400                  vsi->info.sec_flags, vsi->info.sec_reserved);
 401         dev_info(&pf->pdev->dev,
 402                  "    info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
 403                  vsi->info.pvid, vsi->info.fcoe_pvid,
 404                  vsi->info.port_vlan_flags);
 405         dev_info(&pf->pdev->dev,
 406                  "    info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
 407                  vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
 408                  vsi->info.pvlan_reserved[2]);
 409         dev_info(&pf->pdev->dev,
 410                  "    info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
 411                  vsi->info.ingress_table, vsi->info.egress_table);
 412         dev_info(&pf->pdev->dev,
 413                  "    info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
 414                  vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
 415                  vsi->info.cas_pv_reserved);
 416         dev_info(&pf->pdev->dev,
 417                  "    info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 418                  vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
 419                  vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
 420                  vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
 421                  vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
 422         dev_info(&pf->pdev->dev,
 423                  "    info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 424                  vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
 425                  vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
 426                  vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
 427                  vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
 428         dev_info(&pf->pdev->dev,
 429                  "    info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 430                  vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
 431                  vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
 432                  vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
 433                  vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
 434         dev_info(&pf->pdev->dev,
 435                  "    info: queueing_opt_flags = 0x%02x  queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
 436                  vsi->info.queueing_opt_flags,
 437                  vsi->info.queueing_opt_reserved[0],
 438                  vsi->info.queueing_opt_reserved[1],
 439                  vsi->info.queueing_opt_reserved[2]);
 440         dev_info(&pf->pdev->dev,
 441                  "    info: up_enable_bits = 0x%02x\n",
 442                  vsi->info.up_enable_bits);
 443         dev_info(&pf->pdev->dev,
 444                  "    info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
 445                  vsi->info.sched_reserved, vsi->info.outer_up_table);
 446         dev_info(&pf->pdev->dev,
 447                  "    info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
 448                  vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
 449                  vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
 450                  vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
 451                  vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
 452         dev_info(&pf->pdev->dev,
 453                  "    info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 454                  vsi->info.qs_handle[0], vsi->info.qs_handle[1],
 455                  vsi->info.qs_handle[2], vsi->info.qs_handle[3],
 456                  vsi->info.qs_handle[4], vsi->info.qs_handle[5],
 457                  vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
 458         dev_info(&pf->pdev->dev,
 459                  "    info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
 460                  vsi->info.stat_counter_idx, vsi->info.sched_id);
 461         dev_info(&pf->pdev->dev,
 462                  "    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",
 463                  vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
 464                  vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
 465                  vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
 466                  vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
 467                  vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
 468                  vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
 469         if (vsi->back)
 470                 dev_info(&pf->pdev->dev, "    PF = %p\n", vsi->back);
 471         dev_info(&pf->pdev->dev, "    idx = %d\n", vsi->idx);
 472         dev_info(&pf->pdev->dev,
 473                  "    tc_config: numtc = %d, enabled_tc = 0x%x\n",
 474                  vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
 475         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 476                 dev_info(&pf->pdev->dev,
 477                          "    tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
 478                          i, vsi->tc_config.tc_info[i].qoffset,
 479                          vsi->tc_config.tc_info[i].qcount,
 480                          vsi->tc_config.tc_info[i].netdev_tc);
 481         }
 482         dev_info(&pf->pdev->dev,
 483                  "    bw: bw_limit = %d, bw_max_quanta = %d\n",
 484                  vsi->bw_limit, vsi->bw_max_quanta);
 485         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 486                 dev_info(&pf->pdev->dev,
 487                          "    bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
 488                          i, vsi->bw_ets_share_credits[i],
 489                          vsi->bw_ets_limit_credits[i],
 490                          vsi->bw_ets_max_quanta[i]);
 491         }
 492 }
 493
 494 /**
 495  * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
 496  * @pf: the i40e_pf created in command write
 497  **/
 498 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
 499 {
 500         struct i40e_adminq_ring *ring;
 501         struct i40e_hw *hw = &pf->hw;
 502         char hdr[32];
 503         int i;
 504
 505         snprintf(hdr, sizeof(hdr), "%s %s:         ",
 506                  dev_driver_string(&pf->pdev->dev),
 507                  dev_name(&pf->pdev->dev));
 508
 509         /* first the send (command) ring, then the receive (event) ring */
 510         dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
 511         ring = &(hw->aq.asq);
 512         for (i = 0; i < ring->count; i++) {
 513                 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 514
 515                 dev_info(&pf->pdev->dev,
 516                          "   at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 517                          i, d->flags, d->opcode, d->datalen, d->retval,
 518                          d->cookie_high, d->cookie_low);
 519                 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 520                                16, 1, d->params.raw, 16, 0);
 521         }
 522
 523         dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
 524         ring = &(hw->aq.arq);
 525         for (i = 0; i < ring->count; i++) {
 526                 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 527
 528                 dev_info(&pf->pdev->dev,
 529                          "   ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 530                          i, d->flags, d->opcode, d->datalen, d->retval,
 531                          d->cookie_high, d->cookie_low);
 532                 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 533                                16, 1, d->params.raw, 16, 0);
 534         }
 535 }
 536
 537 /**
 538  * i40e_dbg_dump_desc - handles dump desc write into command datum
 539  * @cnt: number of arguments that the user supplied
 540  * @vsi_seid: vsi id entered by user
 541  * @ring_id: ring id entered by user
 542  * @desc_n: descriptor number entered by user
 543  * @pf: the i40e_pf created in command write
 544  * @is_rx_ring: true if rx, false if tx
 545  **/
 546 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
 547                                struct i40e_pf *pf, bool is_rx_ring)
 548 {
 549         struct i40e_tx_desc *txd;
 550         union i40e_rx_desc *rxd;
 551         struct i40e_ring *ring;
 552         struct i40e_vsi *vsi;
 553         int i;
 554
 555         vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 556         if (!vsi) {
 557                 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
 558                 return;
 559         }
 560         if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
 561                 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
 562                 return;
 563         }
 564         if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
 565                 dev_info(&pf->pdev->dev,
 566                          "descriptor rings have not been allocated for vsi %d\n",
 567                          vsi_seid);
 568                 return;
 569         }
 570
 571         ring = kmemdup(is_rx_ring
 572                        ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
 573                        sizeof(*ring), GFP_KERNEL);
 574         if (!ring)
 575                 return;
 576
 577         if (cnt == 2) {
 578                 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
 579                          vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
 580                 for (i = 0; i < ring->count; i++) {
 581                         if (!is_rx_ring) {
 582                                 txd = I40E_TX_DESC(ring, i);
 583                                 dev_info(&pf->pdev->dev,
 584                                          "   d[%03x] = 0x%016llx 0x%016llx\n",
 585                                          i, txd->buffer_addr,
 586                                          txd->cmd_type_offset_bsz);
 587                         } else {
 588                                 rxd = I40E_RX_DESC(ring, i);
 589                                 dev_info(&pf->pdev->dev,
 590                                          "   d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
 591                                          i, rxd->read.pkt_addr,
 592                                          rxd->read.hdr_addr,
 593                                          rxd->read.rsvd1, rxd->read.rsvd2);
 594                         }
 595                 }
 596         } else if (cnt == 3) {
 597                 if (desc_n >= ring->count || desc_n < 0) {
 598                         dev_info(&pf->pdev->dev,
 599                                  "descriptor %d not found\n", desc_n);
 600                         goto out;
 601                 }
 602                 if (!is_rx_ring) {
 603                         txd = I40E_TX_DESC(ring, desc_n);
 604                         dev_info(&pf->pdev->dev,
 605                                  "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 606                                  vsi_seid, ring_id, desc_n,
 607                                  txd->buffer_addr, txd->cmd_type_offset_bsz);
 608                 } else {
 609                         rxd = I40E_RX_DESC(ring, desc_n);
 610                         dev_info(&pf->pdev->dev,
 611                                  "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
 612                                  vsi_seid, ring_id, desc_n,
 613                                  rxd->read.pkt_addr, rxd->read.hdr_addr,
 614                                  rxd->read.rsvd1, rxd->read.rsvd2);
 615                 }
 616         } else {
 617                 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
 618         }
 619
 620 out:
 621         kfree(ring);
 622 }
 623
 624 /**
 625  * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
 626  * @pf: the i40e_pf created in command write
 627  **/
 628 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
 629 {
 630         int i;
 631
 632         for (i = 0; i < pf->num_alloc_vsi; i++)
 633                 if (pf->vsi[i])
 634                         dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
 635                                  i, pf->vsi[i]->seid);
 636 }
 637
 638 /**
 639  * i40e_dbg_dump_stats - handles dump stats write into command datum
 640  * @pf: the i40e_pf created in command write
 641  * @estats: the eth stats structure to be dumped
 642  **/
 643 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
 644                                     struct i40e_eth_stats *estats)
 645 {
 646         dev_info(&pf->pdev->dev, "  ethstats:\n");
 647         dev_info(&pf->pdev->dev,
 648                  "    rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
 649                 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
 650         dev_info(&pf->pdev->dev,
 651                  "    rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
 652                  estats->rx_broadcast, estats->rx_discards);
 653         dev_info(&pf->pdev->dev,
 654                  "    rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
 655                  estats->rx_unknown_protocol, estats->tx_bytes);
 656         dev_info(&pf->pdev->dev,
 657                  "    tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
 658                  estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
 659         dev_info(&pf->pdev->dev,
 660                  "    tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
 661                  estats->tx_discards, estats->tx_errors);
 662 }
 663
 664 /**
 665  * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
 666  * @pf: the i40e_pf created in command write
 667  * @seid: the seid the user put in
 668  **/
 669 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
 670 {
 671         struct i40e_veb *veb;
 672
 673         veb = i40e_dbg_find_veb(pf, seid);
 674         if (!veb) {
 675                 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
 676                 return;
 677         }
 678         dev_info(&pf->pdev->dev,
 679                  "veb idx=%d,%d stats_ic=%d  seid=%d uplink=%d mode=%s\n",
 680                  veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
 681                  veb->uplink_seid,
 682                  veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
 683         i40e_dbg_dump_eth_stats(pf, &veb->stats);
 684 }
 685
 686 /**
 687  * i40e_dbg_dump_veb_all - dumps all known veb's stats
 688  * @pf: the i40e_pf created in command write
 689  **/
 690 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
 691 {
 692         struct i40e_veb *veb;
 693         int i;
 694
 695         for (i = 0; i < I40E_MAX_VEB; i++) {
 696                 veb = pf->veb[i];
 697                 if (veb)
 698                         i40e_dbg_dump_veb_seid(pf, veb->seid);
 699         }
 700 }
 701
 702 /**
 703  * i40e_dbg_dump_vf - dump VF info
 704  * @pf: the i40e_pf created in command write
 705  * @vf_id: the vf_id from the user
 706  **/
 707 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id)
 708 {
 709         struct i40e_vf *vf;
 710         struct i40e_vsi *vsi;
 711
 712         if (!pf->num_alloc_vfs) {
 713                 dev_info(&pf->pdev->dev, "no VFs allocated\n");
 714         } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) {
 715                 vf = &pf->vf[vf_id];
 716                 vsi = pf->vsi[vf->lan_vsi_idx];
 717                 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n",
 718                          vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs);
 719                 dev_info(&pf->pdev->dev, "       num MDD=%lld, invalid msg=%lld, valid msg=%lld\n",
 720                          vf->num_mdd_events,
 721                          vf->num_invalid_msgs,
 722                          vf->num_valid_msgs);
 723         } else {
 724                 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id);
 725         }
 726 }
 727
 728 /**
 729  * i40e_dbg_dump_vf_all - dump VF info for all VFs
 730  * @pf: the i40e_pf created in command write
 731  **/
 732 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf)
 733 {
 734         int i;
 735
 736         if (!pf->num_alloc_vfs)
 737                 dev_info(&pf->pdev->dev, "no VFs enabled!\n");
 738         else
 739                 for (i = 0; i < pf->num_alloc_vfs; i++)
 740                         i40e_dbg_dump_vf(pf, i);
 741 }
 742
 743 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
 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 (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
 800                         pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
 801                         i40e_do_reset_safe(pf,
 802                                            BIT_ULL(__I40E_PF_RESET_REQUESTED));
 803                 }
 804
 805                 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
 806                 if (vsi)
 807                         dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
 808                                  vsi->seid, vsi->uplink_seid);
 809                 else
 810                         dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
 811
 812         } else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
 813                 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 814                 if (cnt != 1) {
 815                         dev_info(&pf->pdev->dev,
 816                                  "del vsi: bad command string, cnt=%d\n",
 817                                  cnt);
 818                         goto command_write_done;
 819                 }
 820                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 821                 if (!vsi) {
 822                         dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
 823                                  vsi_seid);
 824                         goto command_write_done;
 825                 }
 826
 827                 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
 828                 i40e_vsi_release(vsi);
 829
 830         } else if (strncmp(cmd_buf, "add relay", 9) == 0) {
 831                 struct i40e_veb *veb;
 832                 int uplink_seid, i;
 833
 834                 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
 835                 if (cnt != 2) {
 836                         dev_info(&pf->pdev->dev,
 837                                  "add relay: bad command string, cnt=%d\n",
 838                                  cnt);
 839                         goto command_write_done;
 840                 } else if (uplink_seid < 0) {
 841                         dev_info(&pf->pdev->dev,
 842                                  "add relay %d: bad uplink seid\n",
 843                                  uplink_seid);
 844                         goto command_write_done;
 845                 }
 846
 847                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 848                 if (!vsi) {
 849                         dev_info(&pf->pdev->dev,
 850                                  "add relay: VSI %d not found\n", vsi_seid);
 851                         goto command_write_done;
 852                 }
 853
 854                 for (i = 0; i < I40E_MAX_VEB; i++)
 855                         if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
 856                                 break;
 857                 if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
 858                     uplink_seid != pf->mac_seid) {
 859                         dev_info(&pf->pdev->dev,
 860                                  "add relay: relay uplink %d not found\n",
 861                                  uplink_seid);
 862                         goto command_write_done;
 863                 }
 864
 865                 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
 866                                      vsi->tc_config.enabled_tc);
 867                 if (veb)
 868                         dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
 869                 else
 870                         dev_info(&pf->pdev->dev, "add relay failed\n");
 871
 872         } else if (strncmp(cmd_buf, "del relay", 9) == 0) {
 873                 int i;
 874                 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
 875                 if (cnt != 1) {
 876                         dev_info(&pf->pdev->dev,
 877                                  "del relay: bad command string, cnt=%d\n",
 878                                  cnt);
 879                         goto command_write_done;
 880                 } else if (veb_seid < 0) {
 881                         dev_info(&pf->pdev->dev,
 882                                  "del relay %d: bad relay seid\n", veb_seid);
 883                         goto command_write_done;
 884                 }
 885
 886                 /* find the veb */
 887                 for (i = 0; i < I40E_MAX_VEB; i++)
 888                         if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
 889                                 break;
 890                 if (i >= I40E_MAX_VEB) {
 891                         dev_info(&pf->pdev->dev,
 892                                  "del relay: relay %d not found\n", veb_seid);
 893                         goto command_write_done;
 894                 }
 895
 896                 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
 897                 i40e_veb_release(pf->veb[i]);
 898         } else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
 899                 i40e_status ret;
 900                 u16 vid;
 901                 unsigned int v;
 902
 903                 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
 904                 if (cnt != 2) {
 905                         dev_info(&pf->pdev->dev,
 906                                  "add pvid: bad command string, cnt=%d\n", cnt);
 907                         goto command_write_done;
 908                 }
 909
 910                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 911                 if (!vsi) {
 912                         dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
 913                                  vsi_seid);
 914                         goto command_write_done;
 915                 }
 916
 917                 vid = v;
 918                 ret = i40e_vsi_add_pvid(vsi, vid);
 919                 if (!ret)
 920                         dev_info(&pf->pdev->dev,
 921                                  "add pvid: %d added to VSI %d\n",
 922                                  vid, vsi_seid);
 923                 else
 924                         dev_info(&pf->pdev->dev,
 925                                  "add pvid: %d to VSI %d failed, ret=%d\n",
 926                                  vid, vsi_seid, ret);
 927
 928         } else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
 929
 930                 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 931                 if (cnt != 1) {
 932                         dev_info(&pf->pdev->dev,
 933                                  "del pvid: bad command string, cnt=%d\n",
 934                                  cnt);
 935                         goto command_write_done;
 936                 }
 937
 938                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 939                 if (!vsi) {
 940                         dev_info(&pf->pdev->dev,
 941                                  "del pvid: VSI %d not found\n", vsi_seid);
 942                         goto command_write_done;
 943                 }
 944
 945                 i40e_vsi_remove_pvid(vsi);
 946                 dev_info(&pf->pdev->dev,
 947                          "del pvid: removed from VSI %d\n", vsi_seid);
 948
 949         } else if (strncmp(cmd_buf, "dump", 4) == 0) {
 950                 if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
 951                         i40e_fetch_switch_configuration(pf, true);
 952                 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
 953                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 954                         if (cnt > 0)
 955                                 i40e_dbg_dump_vsi_seid(pf, vsi_seid);
 956                         else
 957                                 i40e_dbg_dump_vsi_no_seid(pf);
 958                 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
 959                         cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 960                         if (cnt > 0)
 961                                 i40e_dbg_dump_veb_seid(pf, vsi_seid);
 962                         else
 963                                 i40e_dbg_dump_veb_all(pf);
 964                 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) {
 965                         cnt = sscanf(&cmd_buf[7], "%i", &vf_id);
 966                         if (cnt > 0)
 967                                 i40e_dbg_dump_vf(pf, vf_id);
 968                         else
 969                                 i40e_dbg_dump_vf_all(pf);
 970                 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
 971                         int ring_id, desc_n;
 972                         if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
 973                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
 974                                              &vsi_seid, &ring_id, &desc_n);
 975                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
 976                                                    desc_n, pf, true);
 977                         } else if (strncmp(&cmd_buf[10], "tx", 2)
 978                                         == 0) {
 979                                 cnt = sscanf(&cmd_buf[12], "%i %i %i",
 980                                              &vsi_seid, &ring_id, &desc_n);
 981                                 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
 982                                                    desc_n, pf, false);
 983                         } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
 984                                 i40e_dbg_dump_aq_desc(pf);
 985                         } else {
 986                                 dev_info(&pf->pdev->dev,
 987                                          "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
 988                                 dev_info(&pf->pdev->dev,
 989                                          "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
 990                                 dev_info(&pf->pdev->dev, "dump desc aq\n");
 991                         }
 992                 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
 993                         dev_info(&pf->pdev->dev,
 994                                  "core reset count: %d\n", pf->corer_count);
 995                         dev_info(&pf->pdev->dev,
 996                                  "global reset count: %d\n", pf->globr_count);
 997                         dev_info(&pf->pdev->dev,
 998                                  "emp reset count: %d\n", pf->empr_count);
 999                         dev_info(&pf->pdev->dev,
1000                                  "pf reset count: %d\n", pf->pfr_count);
1001                         dev_info(&pf->pdev->dev,
1002                                  "pf tx sluggish count: %d\n",
1003                                  pf->tx_sluggish_count);
1004                 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1005                         struct i40e_aqc_query_port_ets_config_resp *bw_data;
1006                         struct i40e_dcbx_config *cfg =
1007                                                 &pf->hw.local_dcbx_config;
1008                         struct i40e_dcbx_config *r_cfg =
1009                                                 &pf->hw.remote_dcbx_config;
1010                         int i, ret;
1011                         u16 switch_id;
1012
1013                         bw_data = kzalloc(sizeof(
1014                                     struct i40e_aqc_query_port_ets_config_resp),
1015                                           GFP_KERNEL);
1016                         if (!bw_data) {
1017                                 ret = -ENOMEM;
1018                                 goto command_write_done;
1019                         }
1020
1021                         vsi = pf->vsi[pf->lan_vsi];
1022                         switch_id =
1023                                 le16_to_cpu(vsi->info.switch_id) &
1024                                             I40E_AQ_VSI_SW_ID_MASK;
1025
1026                         ret = i40e_aq_query_port_ets_config(&pf->hw,
1027                                                             switch_id,
1028                                                             bw_data, NULL);
1029                         if (ret) {
1030                                 dev_info(&pf->pdev->dev,
1031                                          "Query Port ETS Config AQ command failed =0x%x\n",
1032                                          pf->hw.aq.asq_last_status);
1033                                 kfree(bw_data);
1034                                 bw_data = NULL;
1035                                 goto command_write_done;
1036                         }
1037                         dev_info(&pf->pdev->dev,
1038                                  "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1039                                  bw_data->tc_valid_bits,
1040                                  bw_data->tc_strict_priority_bits,
1041                                  le16_to_cpu(bw_data->tc_bw_max[0]),
1042                                  le16_to_cpu(bw_data->tc_bw_max[1]));
1043                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1044                                 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1045                                          bw_data->tc_bw_share_credits[i],
1046                                          le16_to_cpu(bw_data->tc_bw_limits[i]));
1047                         }
1048
1049                         kfree(bw_data);
1050                         bw_data = NULL;
1051
1052                         dev_info(&pf->pdev->dev,
1053                                  "port dcbx_mode=%d\n", cfg->dcbx_mode);
1054                         dev_info(&pf->pdev->dev,
1055                                  "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1056                                  cfg->etscfg.willing, cfg->etscfg.cbs,
1057                                  cfg->etscfg.maxtcs);
1058                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1059                                 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1060                                          i, cfg->etscfg.prioritytable[i],
1061                                          cfg->etscfg.tcbwtable[i],
1062                                          cfg->etscfg.tsatable[i]);
1063                         }
1064                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1065                                 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1066                                          i, cfg->etsrec.prioritytable[i],
1067                                          cfg->etsrec.tcbwtable[i],
1068                                          cfg->etsrec.tsatable[i]);
1069                         }
1070                         dev_info(&pf->pdev->dev,
1071                                  "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1072                                  cfg->pfc.willing, cfg->pfc.mbc,
1073                                  cfg->pfc.pfccap, cfg->pfc.pfcenable);
1074                         dev_info(&pf->pdev->dev,
1075                                  "port app_table: num_apps=%d\n", cfg->numapps);
1076                         for (i = 0; i < cfg->numapps; i++) {
1077                                 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1078                                          i, cfg->app[i].priority,
1079                                          cfg->app[i].selector,
1080                                          cfg->app[i].protocolid);
1081                         }
1082                         /* Peer TLV DCBX data */
1083                         dev_info(&pf->pdev->dev,
1084                                  "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1085                                  r_cfg->etscfg.willing,
1086                                  r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1087                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1088                                 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1089                                          i, r_cfg->etscfg.prioritytable[i],
1090                                          r_cfg->etscfg.tcbwtable[i],
1091                                          r_cfg->etscfg.tsatable[i]);
1092                         }
1093                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1094                                 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1095                                          i, r_cfg->etsrec.prioritytable[i],
1096                                          r_cfg->etsrec.tcbwtable[i],
1097                                          r_cfg->etsrec.tsatable[i]);
1098                         }
1099                         dev_info(&pf->pdev->dev,
1100                                  "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1101                                  r_cfg->pfc.willing,
1102                                  r_cfg->pfc.mbc,
1103                                  r_cfg->pfc.pfccap,
1104                                  r_cfg->pfc.pfcenable);
1105                         dev_info(&pf->pdev->dev,
1106                                  "remote port app_table: num_apps=%d\n",
1107                                  r_cfg->numapps);
1108                         for (i = 0; i < r_cfg->numapps; i++) {
1109                                 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1110                                          i, r_cfg->app[i].priority,
1111                                          r_cfg->app[i].selector,
1112                                          r_cfg->app[i].protocolid);
1113                         }
1114                 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1115                         int cluster_id, table_id;
1116                         int index, ret;
1117                         u16 buff_len = 4096;
1118                         u32 next_index;
1119                         u8 next_table;
1120                         u8 *buff;
1121                         u16 rlen;
1122
1123                         cnt = sscanf(&cmd_buf[18], "%i %i %i",
1124                                      &cluster_id, &table_id, &index);
1125                         if (cnt != 3) {
1126                                 dev_info(&pf->pdev->dev,
1127                                          "dump debug fwdata <cluster_id> <table_id> <index>\n");
1128                                 goto command_write_done;
1129                         }
1130
1131                         dev_info(&pf->pdev->dev,
1132                                  "AQ debug dump fwdata params %x %x %x %x\n",
1133                                  cluster_id, table_id, index, buff_len);
1134                         buff = kzalloc(buff_len, GFP_KERNEL);
1135                         if (!buff)
1136                                 goto command_write_done;
1137
1138                         ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1139                                                  index, buff_len, buff, &rlen,
1140                                                  &next_table, &next_index,
1141                                                  NULL);
1142                         if (ret) {
1143                                 dev_info(&pf->pdev->dev,
1144                                          "debug dump fwdata AQ Failed %d 0x%x\n",
1145                                          ret, pf->hw.aq.asq_last_status);
1146                                 kfree(buff);
1147                                 buff = NULL;
1148                                 goto command_write_done;
1149                         }
1150                         dev_info(&pf->pdev->dev,
1151                                  "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1152                                  rlen, next_table, next_index);
1153                         print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1154                                        DUMP_PREFIX_OFFSET, 16, 1,
1155                                        buff, rlen, true);
1156                         kfree(buff);
1157                         buff = NULL;
1158                 } else {
1159                         dev_info(&pf->pdev->dev,
1160                                  "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1161                         dev_info(&pf->pdev->dev, "dump switch\n");
1162                         dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1163                         dev_info(&pf->pdev->dev, "dump reset stats\n");
1164                         dev_info(&pf->pdev->dev, "dump port\n");
1165                         dev_info(&pf->pdev->dev, "dump vf [vf_id]\n");
1166                         dev_info(&pf->pdev->dev,
1167                                  "dump debug fwdata <cluster_id> <table_id> <index>\n");
1168                 }
1169         } else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1170                 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1171                 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1172
1173         } else if (strncmp(cmd_buf, "corer", 5) == 0) {
1174                 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1175                 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1176
1177         } else if (strncmp(cmd_buf, "globr", 5) == 0) {
1178                 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1179                 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1180
1181         } else if (strncmp(cmd_buf, "empr", 4) == 0) {
1182                 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1183                 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
1184
1185         } else if (strncmp(cmd_buf, "read", 4) == 0) {
1186                 u32 address;
1187                 u32 value;
1188
1189                 cnt = sscanf(&cmd_buf[4], "%i", &address);
1190                 if (cnt != 1) {
1191                         dev_info(&pf->pdev->dev, "read <reg>\n");
1192                         goto command_write_done;
1193                 }
1194
1195                 /* check the range on address */
1196                 if (address > (pf->ioremap_len - sizeof(u32))) {
1197                         dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1198                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1199                         goto command_write_done;
1200                 }
1201
1202                 value = rd32(&pf->hw, address);
1203                 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1204                          address, value);
1205
1206         } else if (strncmp(cmd_buf, "write", 5) == 0) {
1207                 u32 address, value;
1208
1209                 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1210                 if (cnt != 2) {
1211                         dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1212                         goto command_write_done;
1213                 }
1214
1215                 /* check the range on address */
1216                 if (address > (pf->ioremap_len - sizeof(u32))) {
1217                         dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1218                                  address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1219                         goto command_write_done;
1220                 }
1221                 wr32(&pf->hw, address, value);
1222                 value = rd32(&pf->hw, address);
1223                 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1224                          address, value);
1225         } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1226                 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1227                         cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1228                         if (cnt == 0) {
1229                                 int i;
1230
1231                                 for (i = 0; i < pf->num_alloc_vsi; i++)
1232                                         i40e_vsi_reset_stats(pf->vsi[i]);
1233                                 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1234                         } else if (cnt == 1) {
1235                                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1236                                 if (!vsi) {
1237                                         dev_info(&pf->pdev->dev,
1238                                                  "clear_stats vsi: bad vsi %d\n",
1239                                                  vsi_seid);
1240                                         goto command_write_done;
1241                                 }
1242                                 i40e_vsi_reset_stats(vsi);
1243                                 dev_info(&pf->pdev->dev,
1244                                          "vsi clear stats called for vsi %d\n",
1245                                          vsi_seid);
1246                         } else {
1247                                 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1248                         }
1249                 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1250                         if (pf->hw.partition_id == 1) {
1251                                 i40e_pf_reset_stats(pf);
1252                                 dev_info(&pf->pdev->dev, "port stats cleared\n");
1253                         } else {
1254                                 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1255                         }
1256                 } else {
1257                         dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1258                 }
1259         } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1260                 struct i40e_aq_desc *desc;
1261                 i40e_status ret;
1262
1263                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1264                 if (!desc)
1265                         goto command_write_done;
1266                 cnt = sscanf(&cmd_buf[11],
1267                              "%hi %hi %hi %hi %i %i %i %i %i %i",
1268                              &desc->flags,
1269                              &desc->opcode, &desc->datalen, &desc->retval,
1270                              &desc->cookie_high, &desc->cookie_low,
1271                              &desc->params.internal.param0,
1272                              &desc->params.internal.param1,
1273                              &desc->params.internal.param2,
1274                              &desc->params.internal.param3);
1275                 if (cnt != 10) {
1276                         dev_info(&pf->pdev->dev,
1277                                  "send aq_cmd: bad command string, cnt=%d\n",
1278                                  cnt);
1279                         kfree(desc);
1280                         desc = NULL;
1281                         goto command_write_done;
1282                 }
1283                 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1284                 if (!ret) {
1285                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1286                 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1287                         dev_info(&pf->pdev->dev,
1288                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1289                                  desc->opcode, pf->hw.aq.asq_last_status);
1290                 } else {
1291                         dev_info(&pf->pdev->dev,
1292                                  "AQ command send failed Opcode %x Status: %d\n",
1293                                  desc->opcode, ret);
1294                 }
1295                 dev_info(&pf->pdev->dev,
1296                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1297                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1298                          desc->cookie_high, desc->cookie_low,
1299                          desc->params.internal.param0,
1300                          desc->params.internal.param1,
1301                          desc->params.internal.param2,
1302                          desc->params.internal.param3);
1303                 kfree(desc);
1304                 desc = NULL;
1305         } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1306                 struct i40e_aq_desc *desc;
1307                 i40e_status ret;
1308                 u16 buffer_len;
1309                 u8 *buff;
1310
1311                 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1312                 if (!desc)
1313                         goto command_write_done;
1314                 cnt = sscanf(&cmd_buf[20],
1315                              "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1316                              &desc->flags,
1317                              &desc->opcode, &desc->datalen, &desc->retval,
1318                              &desc->cookie_high, &desc->cookie_low,
1319                              &desc->params.internal.param0,
1320                              &desc->params.internal.param1,
1321                              &desc->params.internal.param2,
1322                              &desc->params.internal.param3,
1323                              &buffer_len);
1324                 if (cnt != 11) {
1325                         dev_info(&pf->pdev->dev,
1326                                  "send indirect aq_cmd: bad command string, cnt=%d\n",
1327                                  cnt);
1328                         kfree(desc);
1329                         desc = NULL;
1330                         goto command_write_done;
1331                 }
1332                 /* Just stub a buffer big enough in case user messed up */
1333                 if (buffer_len == 0)
1334                         buffer_len = 1280;
1335
1336                 buff = kzalloc(buffer_len, GFP_KERNEL);
1337                 if (!buff) {
1338                         kfree(desc);
1339                         desc = NULL;
1340                         goto command_write_done;
1341                 }
1342                 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1343                 ret = i40e_asq_send_command(&pf->hw, desc, buff,
1344                                             buffer_len, NULL);
1345                 if (!ret) {
1346                         dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1347                 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1348                         dev_info(&pf->pdev->dev,
1349                                  "AQ command send failed Opcode %x AQ Error: %d\n",
1350                                  desc->opcode, pf->hw.aq.asq_last_status);
1351                 } else {
1352                         dev_info(&pf->pdev->dev,
1353                                  "AQ command send failed Opcode %x Status: %d\n",
1354                                  desc->opcode, ret);
1355                 }
1356                 dev_info(&pf->pdev->dev,
1357                          "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1358                          desc->flags, desc->opcode, desc->datalen, desc->retval,
1359                          desc->cookie_high, desc->cookie_low,
1360                          desc->params.internal.param0,
1361                          desc->params.internal.param1,
1362                          desc->params.internal.param2,
1363                          desc->params.internal.param3);
1364                 print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1365                                DUMP_PREFIX_OFFSET, 16, 1,
1366                                buff, buffer_len, true);
1367                 kfree(buff);
1368                 buff = NULL;
1369                 kfree(desc);
1370                 desc = NULL;
1371         } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1372                 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1373                          i40e_get_current_fd_count(pf));
1374         } else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1375                 if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1376                         int ret;
1377
1378                         ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1379                         if (ret) {
1380                                 dev_info(&pf->pdev->dev,
1381                                          "Stop LLDP AQ command failed =0x%x\n",
1382                                          pf->hw.aq.asq_last_status);
1383                                 goto command_write_done;
1384                         }
1385                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1386                                                 pf->hw.mac.addr,
1387                                                 I40E_ETH_P_LLDP, 0,
1388                                                 pf->vsi[pf->lan_vsi]->seid,
1389                                                 0, true, NULL, NULL);
1390                         if (ret) {
1391                                 dev_info(&pf->pdev->dev,
1392                                         "%s: Add Control Packet Filter AQ command failed =0x%x\n",
1393                                         __func__, pf->hw.aq.asq_last_status);
1394                                 goto command_write_done;
1395                         }
1396 #ifdef CONFIG_I40E_DCB
1397                         pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1398                                        DCB_CAP_DCBX_VER_IEEE;
1399 #endif /* CONFIG_I40E_DCB */
1400                 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1401                         int ret;
1402
1403                         ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1404                                                 pf->hw.mac.addr,
1405                                                 I40E_ETH_P_LLDP, 0,
1406                                                 pf->vsi[pf->lan_vsi]->seid,
1407                                                 0, false, NULL, NULL);
1408                         if (ret) {
1409                                 dev_info(&pf->pdev->dev,
1410                                         "%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1411                                         __func__, pf->hw.aq.asq_last_status);
1412                                 /* Continue and start FW LLDP anyways */
1413                         }
1414
1415                         ret = i40e_aq_start_lldp(&pf->hw, NULL);
1416                         if (ret) {
1417                                 dev_info(&pf->pdev->dev,
1418                                          "Start LLDP AQ command failed =0x%x\n",
1419                                          pf->hw.aq.asq_last_status);
1420                                 goto command_write_done;
1421                         }
1422 #ifdef CONFIG_I40E_DCB
1423                         pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1424                                        DCB_CAP_DCBX_VER_IEEE;
1425 #endif /* CONFIG_I40E_DCB */
1426                 } else if (strncmp(&cmd_buf[5],
1427                            "get local", 9) == 0) {
1428                         u16 llen, rlen;
1429                         int ret;
1430                         u8 *buff;
1431
1432                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1433                         if (!buff)
1434                                 goto command_write_done;
1435
1436                         ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1437                                                    I40E_AQ_LLDP_MIB_LOCAL,
1438                                                    buff, I40E_LLDPDU_SIZE,
1439                                                    &llen, &rlen, NULL);
1440                         if (ret) {
1441                                 dev_info(&pf->pdev->dev,
1442                                          "Get LLDP MIB (local) AQ command failed =0x%x\n",
1443                                          pf->hw.aq.asq_last_status);
1444                                 kfree(buff);
1445                                 buff = NULL;
1446                                 goto command_write_done;
1447                         }
1448                         dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1449                         print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1450                                        DUMP_PREFIX_OFFSET, 16, 1,
1451                                        buff, I40E_LLDPDU_SIZE, true);
1452                         kfree(buff);
1453                         buff = NULL;
1454                 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1455                         u16 llen, rlen;
1456                         int ret;
1457                         u8 *buff;
1458
1459                         buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1460                         if (!buff)
1461                                 goto command_write_done;
1462
1463                         ret = i40e_aq_get_lldp_mib(&pf->hw,
1464                                         I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1465                                         I40E_AQ_LLDP_MIB_REMOTE,
1466                                         buff, I40E_LLDPDU_SIZE,
1467                                         &llen, &rlen, NULL);
1468                         if (ret) {
1469                                 dev_info(&pf->pdev->dev,
1470                                          "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1471                                          pf->hw.aq.asq_last_status);
1472                                 kfree(buff);
1473                                 buff = NULL;
1474                                 goto command_write_done;
1475                         }
1476                         dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1477                         print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1478                                        DUMP_PREFIX_OFFSET, 16, 1,
1479                                        buff, I40E_LLDPDU_SIZE, true);
1480                         kfree(buff);
1481                         buff = NULL;
1482                 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1483                         int ret;
1484
1485                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1486                                                                 true, NULL);
1487                         if (ret) {
1488                                 dev_info(&pf->pdev->dev,
1489                                          "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1490                                          pf->hw.aq.asq_last_status);
1491                                 goto command_write_done;
1492                         }
1493                 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1494                         int ret;
1495
1496                         ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1497                                                                 false, NULL);
1498                         if (ret) {
1499                                 dev_info(&pf->pdev->dev,
1500                                          "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1501                                          pf->hw.aq.asq_last_status);
1502                                 goto command_write_done;
1503                         }
1504                 }
1505         } else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1506                 u16 buffer_len, bytes;
1507                 u16 module;
1508                 u32 offset;
1509                 u16 *buff;
1510                 int ret;
1511
1512                 cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1513                              &module, &offset, &buffer_len);
1514                 if (cnt == 0) {
1515                         module = 0;
1516                         offset = 0;
1517                         buffer_len = 0;
1518                 } else if (cnt == 1) {
1519                         offset = 0;
1520                         buffer_len = 0;
1521                 } else if (cnt == 2) {
1522                         buffer_len = 0;
1523                 } else if (cnt > 3) {
1524                         dev_info(&pf->pdev->dev,
1525                                  "nvm read: bad command string, cnt=%d\n", cnt);
1526                         goto command_write_done;
1527                 }
1528
1529                 /* set the max length */
1530                 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1531
1532                 bytes = 2 * buffer_len;
1533
1534                 /* read at least 1k bytes, no more than 4kB */
1535                 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1536                 buff = kzalloc(bytes, GFP_KERNEL);
1537                 if (!buff)
1538                         goto command_write_done;
1539
1540                 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1541                 if (ret) {
1542                         dev_info(&pf->pdev->dev,
1543                                  "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1544                                  ret, pf->hw.aq.asq_last_status);
1545                         kfree(buff);
1546                         goto command_write_done;
1547                 }
1548
1549                 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1550                                        bytes, (u8 *)buff, true, NULL);
1551                 i40e_release_nvm(&pf->hw);
1552                 if (ret) {
1553                         dev_info(&pf->pdev->dev,
1554                                  "Read NVM AQ failed err=%d status=0x%x\n",
1555                                  ret, pf->hw.aq.asq_last_status);
1556                 } else {
1557                         dev_info(&pf->pdev->dev,
1558                                  "Read NVM module=0x%x offset=0x%x words=%d\n",
1559                                  module, offset, buffer_len);
1560                         if (bytes)
1561                                 print_hex_dump(KERN_INFO, "NVM Dump: ",
1562                                         DUMP_PREFIX_OFFSET, 16, 2,
1563                                         buff, bytes, true);
1564                 }
1565                 kfree(buff);
1566                 buff = NULL;
1567         } else {
1568                 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1569                 dev_info(&pf->pdev->dev, "available commands\n");
1570                 dev_info(&pf->pdev->dev, "  add vsi [relay_seid]\n");
1571                 dev_info(&pf->pdev->dev, "  del vsi [vsi_seid]\n");
1572                 dev_info(&pf->pdev->dev, "  add relay <uplink_seid> <vsi_seid>\n");
1573                 dev_info(&pf->pdev->dev, "  del relay <relay_seid>\n");
1574                 dev_info(&pf->pdev->dev, "  add pvid <vsi_seid> <vid>\n");
1575                 dev_info(&pf->pdev->dev, "  del pvid <vsi_seid>\n");
1576                 dev_info(&pf->pdev->dev, "  dump switch\n");
1577                 dev_info(&pf->pdev->dev, "  dump vsi [seid]\n");
1578                 dev_info(&pf->pdev->dev, "  dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1579                 dev_info(&pf->pdev->dev, "  dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1580                 dev_info(&pf->pdev->dev, "  dump desc aq\n");
1581                 dev_info(&pf->pdev->dev, "  dump reset stats\n");
1582                 dev_info(&pf->pdev->dev, "  dump debug fwdata <cluster_id> <table_id> <index>\n");
1583                 dev_info(&pf->pdev->dev, "  read <reg>\n");
1584                 dev_info(&pf->pdev->dev, "  write <reg> <value>\n");
1585                 dev_info(&pf->pdev->dev, "  clear_stats vsi [seid]\n");
1586                 dev_info(&pf->pdev->dev, "  clear_stats port\n");
1587                 dev_info(&pf->pdev->dev, "  pfr\n");
1588                 dev_info(&pf->pdev->dev, "  corer\n");
1589                 dev_info(&pf->pdev->dev, "  globr\n");
1590                 dev_info(&pf->pdev->dev, "  send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1591                 dev_info(&pf->pdev->dev, "  send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1592                 dev_info(&pf->pdev->dev, "  fd current cnt");
1593                 dev_info(&pf->pdev->dev, "  lldp start\n");
1594                 dev_info(&pf->pdev->dev, "  lldp stop\n");
1595                 dev_info(&pf->pdev->dev, "  lldp get local\n");
1596                 dev_info(&pf->pdev->dev, "  lldp get remote\n");
1597                 dev_info(&pf->pdev->dev, "  lldp event on\n");
1598                 dev_info(&pf->pdev->dev, "  lldp event off\n");
1599                 dev_info(&pf->pdev->dev, "  nvm read [module] [word_offset] [word_count]\n");
1600         }
1601
1602 command_write_done:
1603         kfree(cmd_buf);
1604         cmd_buf = NULL;
1605         return count;
1606 }
1607
1608 static const struct file_operations i40e_dbg_command_fops = {
1609         .owner = THIS_MODULE,
1610         .open =  simple_open,
1611         .read =  i40e_dbg_command_read,
1612         .write = i40e_dbg_command_write,
1613 };
1614
1615 /**************************************************************
1616  * netdev_ops
1617  * The netdev_ops entry in debugfs is for giving the driver commands
1618  * to be executed from the netdev operations.
1619  **************************************************************/
1620 static char i40e_dbg_netdev_ops_buf[256] = "";
1621
1622 /**
1623  * i40e_dbg_netdev_ops - read for netdev_ops datum
1624  * @filp: the opened file
1625  * @buffer: where to write the data for the user to read
1626  * @count: the size of the user's buffer
1627  * @ppos: file position offset
1628  **/
1629 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1630                                         size_t count, loff_t *ppos)
1631 {
1632         struct i40e_pf *pf = filp->private_data;
1633         int bytes_not_copied;
1634         int buf_size = 256;
1635         char *buf;
1636         int len;
1637
1638         /* don't allow partal reads */
1639         if (*ppos != 0)
1640                 return 0;
1641         if (count < buf_size)
1642                 return -ENOSPC;
1643
1644         buf = kzalloc(buf_size, GFP_KERNEL);
1645         if (!buf)
1646                 return -ENOSPC;
1647
1648         len = snprintf(buf, buf_size, "%s: %s\n",
1649                        pf->vsi[pf->lan_vsi]->netdev->name,
1650                        i40e_dbg_netdev_ops_buf);
1651
1652         bytes_not_copied = copy_to_user(buffer, buf, len);
1653         kfree(buf);
1654
1655         if (bytes_not_copied)
1656                 return -EFAULT;
1657
1658         *ppos = len;
1659         return len;
1660 }
1661
1662 /**
1663  * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1664  * @filp: the opened file
1665  * @buffer: where to find the user's data
1666  * @count: the length of the user's data
1667  * @ppos: file position offset
1668  **/
1669 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1670                                          const char __user *buffer,
1671                                          size_t count, loff_t *ppos)
1672 {
1673         struct i40e_pf *pf = filp->private_data;
1674         int bytes_not_copied;
1675         struct i40e_vsi *vsi;
1676         char *buf_tmp;
1677         int vsi_seid;
1678         int i, cnt;
1679
1680         /* don't allow partial writes */
1681         if (*ppos != 0)
1682                 return 0;
1683         if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1684                 return -ENOSPC;
1685
1686         memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1687         bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1688                                           buffer, count);
1689         if (bytes_not_copied)
1690                 return -EFAULT;
1691         i40e_dbg_netdev_ops_buf[count] = '\0';
1692
1693         buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1694         if (buf_tmp) {
1695                 *buf_tmp = '\0';
1696                 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1697         }
1698
1699         if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1700                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1701                 if (cnt != 1) {
1702                         dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
1703                         goto netdev_ops_write_done;
1704                 }
1705                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1706                 if (!vsi) {
1707                         dev_info(&pf->pdev->dev,
1708                                  "tx_timeout: VSI %d not found\n", vsi_seid);
1709                 } else if (!vsi->netdev) {
1710                         dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
1711                                  vsi_seid);
1712                 } else if (test_bit(__I40E_VSI_DOWN, vsi->state)) {
1713                         dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
1714                                  vsi_seid);
1715                 } else if (rtnl_trylock()) {
1716                         vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1717                         rtnl_unlock();
1718                         dev_info(&pf->pdev->dev, "tx_timeout called\n");
1719                 } else {
1720                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1721                 }
1722         } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1723                 int mtu;
1724
1725                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1726                              &vsi_seid, &mtu);
1727                 if (cnt != 2) {
1728                         dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1729                         goto netdev_ops_write_done;
1730                 }
1731                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1732                 if (!vsi) {
1733                         dev_info(&pf->pdev->dev,
1734                                  "change_mtu: VSI %d not found\n", vsi_seid);
1735                 } else if (!vsi->netdev) {
1736                         dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1737                                  vsi_seid);
1738                 } else if (rtnl_trylock()) {
1739                         vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1740                                                                 mtu);
1741                         rtnl_unlock();
1742                         dev_info(&pf->pdev->dev, "change_mtu called\n");
1743                 } else {
1744                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1745                 }
1746
1747         } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1748                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1749                 if (cnt != 1) {
1750                         dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1751                         goto netdev_ops_write_done;
1752                 }
1753                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1754                 if (!vsi) {
1755                         dev_info(&pf->pdev->dev,
1756                                  "set_rx_mode: VSI %d not found\n", vsi_seid);
1757                 } else if (!vsi->netdev) {
1758                         dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1759                                  vsi_seid);
1760                 } else if (rtnl_trylock()) {
1761                         vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1762                         rtnl_unlock();
1763                         dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1764                 } else {
1765                         dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1766                 }
1767
1768         } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1769                 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1770                 if (cnt != 1) {
1771                         dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1772                         goto netdev_ops_write_done;
1773                 }
1774                 vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1775                 if (!vsi) {
1776                         dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1777                                  vsi_seid);
1778                 } else if (!vsi->netdev) {
1779                         dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1780                                  vsi_seid);
1781                 } else {
1782                         for (i = 0; i < vsi->num_q_vectors; i++)
1783                                 napi_schedule(&vsi->q_vectors[i]->napi);
1784                         dev_info(&pf->pdev->dev, "napi called\n");
1785                 }
1786         } else {
1787                 dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1788                          i40e_dbg_netdev_ops_buf);
1789                 dev_info(&pf->pdev->dev, "available commands\n");
1790                 dev_info(&pf->pdev->dev, "  tx_timeout <vsi_seid>\n");
1791                 dev_info(&pf->pdev->dev, "  change_mtu <vsi_seid> <mtu>\n");
1792                 dev_info(&pf->pdev->dev, "  set_rx_mode <vsi_seid>\n");
1793                 dev_info(&pf->pdev->dev, "  napi <vsi_seid>\n");
1794         }
1795 netdev_ops_write_done:
1796         return count;
1797 }
1798
1799 static const struct file_operations i40e_dbg_netdev_ops_fops = {
1800         .owner = THIS_MODULE,
1801         .open = simple_open,
1802         .read = i40e_dbg_netdev_ops_read,
1803         .write = i40e_dbg_netdev_ops_write,
1804 };
1805
1806 /**
1807  * i40e_dbg_pf_init - setup the debugfs directory for the PF
1808  * @pf: the PF that is starting up
1809  **/
1810 void i40e_dbg_pf_init(struct i40e_pf *pf)
1811 {
1812         struct dentry *pfile;
1813         const char *name = pci_name(pf->pdev);
1814         const struct device *dev = &pf->pdev->dev;
1815
1816         pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1817         if (!pf->i40e_dbg_pf)
1818                 return;
1819
1820         pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1821                                     &i40e_dbg_command_fops);
1822         if (!pfile)
1823                 goto create_failed;
1824
1825         pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1826                                     &i40e_dbg_netdev_ops_fops);
1827         if (!pfile)
1828                 goto create_failed;
1829
1830         return;
1831
1832 create_failed:
1833         dev_info(dev, "debugfs dir/file for %s failed\n", name);
1834         debugfs_remove_recursive(pf->i40e_dbg_pf);
1835 }
1836
1837 /**
1838  * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1839  * @pf: the PF that is stopping
1840  **/
1841 void i40e_dbg_pf_exit(struct i40e_pf *pf)
1842 {
1843         debugfs_remove_recursive(pf->i40e_dbg_pf);
1844         pf->i40e_dbg_pf = NULL;
1845 }
1846
1847 /**
1848  * i40e_dbg_init - start up debugfs for the driver
1849  **/
1850 void i40e_dbg_init(void)
1851 {
1852         i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
1853         if (!i40e_dbg_root)
1854                 pr_info("init of debugfs failed\n");
1855 }
1856
1857 /**
1858  * i40e_dbg_exit - clean out the driver's debugfs entries
1859  **/
1860 void i40e_dbg_exit(void)
1861 {
1862         debugfs_remove_recursive(i40e_dbg_root);
1863         i40e_dbg_root = NULL;
1864 }
1865
1866 #endif /* CONFIG_DEBUG_FS */