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
  34static 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 **/
  41static 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 **/
  60static 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 **************************************************************/
  77static 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 **/
  86static 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/**
 120 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
 121 * @pf: the i40e_pf created in command write
 122 * @seid: the seid the user put in
 123 **/
 124static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
 125{
 126	struct rtnl_link_stats64 *nstat;
 127	struct i40e_mac_filter *f;
 128	struct i40e_vsi *vsi;
 129	int i;
 130
 131	vsi = i40e_dbg_find_vsi(pf, seid);
 132	if (!vsi) {
 133		dev_info(&pf->pdev->dev,
 134			 "dump %d: seid not found\n", seid);
 135		return;
 136	}
 137	dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
 138	if (vsi->netdev) {
 139		struct net_device *nd = vsi->netdev;
 140
 141		dev_info(&pf->pdev->dev, "    netdev: name = %s, state = %lu, flags = 0x%08x\n",
 142			 nd->name, nd->state, nd->flags);
 143		dev_info(&pf->pdev->dev, "        features      = 0x%08lx\n",
 144			 (unsigned long int)nd->features);
 145		dev_info(&pf->pdev->dev, "        hw_features   = 0x%08lx\n",
 146			 (unsigned long int)nd->hw_features);
 147		dev_info(&pf->pdev->dev, "        vlan_features = 0x%08lx\n",
 148			 (unsigned long int)nd->vlan_features);
 149	}
 150	if (vsi->active_vlans)
 151		dev_info(&pf->pdev->dev,
 152			 "    vlgrp: & = %p\n", vsi->active_vlans);
 153	dev_info(&pf->pdev->dev,
 154		 "    state = %li flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
 155		 vsi->state, vsi->flags,
 156		 vsi->netdev_registered, vsi->current_netdev_flags);
 
 
 
 157	if (vsi == pf->vsi[pf->lan_vsi])
 158		dev_info(&pf->pdev->dev, "    MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
 159			 pf->hw.mac.addr,
 160			 pf->hw.mac.san_addr,
 161			 pf->hw.mac.port_addr);
 162	list_for_each_entry(f, &vsi->mac_filter_list, list) {
 163		dev_info(&pf->pdev->dev,
 164			 "    mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n",
 165			 f->macaddr, f->vlan, f->is_netdev, f->is_vf,
 166			 f->counter);
 167	}
 
 
 
 
 168	nstat = i40e_get_vsi_stats_struct(vsi);
 169	dev_info(&pf->pdev->dev,
 170		 "    net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
 171		 (unsigned long int)nstat->rx_packets,
 172		 (unsigned long int)nstat->rx_bytes,
 173		 (unsigned long int)nstat->rx_errors,
 174		 (unsigned long int)nstat->rx_dropped);
 175	dev_info(&pf->pdev->dev,
 176		 "    net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
 177		 (unsigned long int)nstat->tx_packets,
 178		 (unsigned long int)nstat->tx_bytes,
 179		 (unsigned long int)nstat->tx_errors,
 180		 (unsigned long int)nstat->tx_dropped);
 181	dev_info(&pf->pdev->dev,
 182		 "    net_stats: multicast = %lu, collisions = %lu\n",
 183		 (unsigned long int)nstat->multicast,
 184		 (unsigned long int)nstat->collisions);
 185	dev_info(&pf->pdev->dev,
 186		 "    net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
 187		 (unsigned long int)nstat->rx_length_errors,
 188		 (unsigned long int)nstat->rx_over_errors,
 189		 (unsigned long int)nstat->rx_crc_errors);
 190	dev_info(&pf->pdev->dev,
 191		 "    net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
 192		 (unsigned long int)nstat->rx_frame_errors,
 193		 (unsigned long int)nstat->rx_fifo_errors,
 194		 (unsigned long int)nstat->rx_missed_errors);
 195	dev_info(&pf->pdev->dev,
 196		 "    net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
 197		 (unsigned long int)nstat->tx_aborted_errors,
 198		 (unsigned long int)nstat->tx_carrier_errors,
 199		 (unsigned long int)nstat->tx_fifo_errors);
 200	dev_info(&pf->pdev->dev,
 201		 "    net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
 202		 (unsigned long int)nstat->tx_heartbeat_errors,
 203		 (unsigned long int)nstat->tx_window_errors);
 204	dev_info(&pf->pdev->dev,
 205		 "    net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
 206		 (unsigned long int)nstat->rx_compressed,
 207		 (unsigned long int)nstat->tx_compressed);
 208	dev_info(&pf->pdev->dev,
 209		 "    net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
 210		 (unsigned long int)vsi->net_stats_offsets.rx_packets,
 211		 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
 212		 (unsigned long int)vsi->net_stats_offsets.rx_errors,
 213		 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
 214	dev_info(&pf->pdev->dev,
 215		 "    net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
 216		 (unsigned long int)vsi->net_stats_offsets.tx_packets,
 217		 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
 218		 (unsigned long int)vsi->net_stats_offsets.tx_errors,
 219		 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
 220	dev_info(&pf->pdev->dev,
 221		 "    net_stats_offsets: multicast = %lu, collisions = %lu\n",
 222		 (unsigned long int)vsi->net_stats_offsets.multicast,
 223		 (unsigned long int)vsi->net_stats_offsets.collisions);
 224	dev_info(&pf->pdev->dev,
 225		 "    net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
 226		 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
 227		 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
 228		 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
 229	dev_info(&pf->pdev->dev,
 230		 "    net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
 231		 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
 232		 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
 233		 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
 234	dev_info(&pf->pdev->dev,
 235		 "    net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
 236		 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
 237		 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
 238		 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
 239	dev_info(&pf->pdev->dev,
 240		 "    net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
 241		 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
 242		 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
 243	dev_info(&pf->pdev->dev,
 244		 "    net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
 245		 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
 246		 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
 247	dev_info(&pf->pdev->dev,
 248		 "    tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
 249		 vsi->tx_restart, vsi->tx_busy,
 250		 vsi->rx_buf_failed, vsi->rx_page_failed);
 251	rcu_read_lock();
 252	for (i = 0; i < vsi->num_queue_pairs; i++) {
 253		struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);
 254
 255		if (!rx_ring)
 256			continue;
 257
 258		dev_info(&pf->pdev->dev,
 259			 "    rx_rings[%i]: desc = %p\n",
 260			 i, rx_ring->desc);
 261		dev_info(&pf->pdev->dev,
 262			 "    rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
 263			 i, rx_ring->dev,
 264			 rx_ring->netdev,
 265			 rx_ring->rx_bi);
 266		dev_info(&pf->pdev->dev,
 267			 "    rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
 268			 i, rx_ring->state,
 269			 rx_ring->queue_index,
 270			 rx_ring->reg_idx);
 271		dev_info(&pf->pdev->dev,
 272			 "    rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n",
 273			 i, rx_ring->rx_hdr_len,
 274			 rx_ring->rx_buf_len,
 275			 rx_ring->dtype);
 276		dev_info(&pf->pdev->dev,
 277			 "    rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 278			 i, ring_is_ps_enabled(rx_ring),
 279			 rx_ring->next_to_use,
 280			 rx_ring->next_to_clean,
 281			 rx_ring->ring_active);
 282		dev_info(&pf->pdev->dev,
 283			 "    rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
 284			 i, rx_ring->stats.packets,
 285			 rx_ring->stats.bytes,
 286			 rx_ring->rx_stats.non_eop_descs);
 287		dev_info(&pf->pdev->dev,
 288			 "    rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
 289			 i,
 290			 rx_ring->rx_stats.alloc_page_failed,
 291			 rx_ring->rx_stats.alloc_buff_failed);
 292		dev_info(&pf->pdev->dev,
 293			 "    rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
 294			 i,
 295			 rx_ring->rx_stats.realloc_count,
 296			 rx_ring->rx_stats.page_reuse_count);
 297		dev_info(&pf->pdev->dev,
 298			 "    rx_rings[%i]: size = %i, dma = 0x%08lx\n",
 299			 i, rx_ring->size,
 300			 (unsigned long int)rx_ring->dma);
 301		dev_info(&pf->pdev->dev,
 302			 "    rx_rings[%i]: vsi = %p, q_vector = %p\n",
 303			 i, rx_ring->vsi,
 304			 rx_ring->q_vector);
 305		dev_info(&pf->pdev->dev,
 306			 "    rx_rings[%i]: rx_itr_setting = %d (%s)\n",
 307			 i, rx_ring->rx_itr_setting,
 308			 ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed");
 309	}
 310	for (i = 0; i < vsi->num_queue_pairs; i++) {
 311		struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);
 312
 313		if (!tx_ring)
 314			continue;
 315
 316		dev_info(&pf->pdev->dev,
 317			 "    tx_rings[%i]: desc = %p\n",
 318			 i, tx_ring->desc);
 319		dev_info(&pf->pdev->dev,
 320			 "    tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
 321			 i, tx_ring->dev,
 322			 tx_ring->netdev,
 323			 tx_ring->tx_bi);
 324		dev_info(&pf->pdev->dev,
 325			 "    tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
 326			 i, tx_ring->state,
 327			 tx_ring->queue_index,
 328			 tx_ring->reg_idx);
 329		dev_info(&pf->pdev->dev,
 330			 "    tx_rings[%i]: dtype = %d\n",
 331			 i, tx_ring->dtype);
 332		dev_info(&pf->pdev->dev,
 333			 "    tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
 334			 i,
 335			 tx_ring->next_to_use,
 336			 tx_ring->next_to_clean,
 337			 tx_ring->ring_active);
 338		dev_info(&pf->pdev->dev,
 339			 "    tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
 340			 i, tx_ring->stats.packets,
 341			 tx_ring->stats.bytes,
 342			 tx_ring->tx_stats.restart_queue);
 343		dev_info(&pf->pdev->dev,
 344			 "    tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
 345			 i,
 346			 tx_ring->tx_stats.tx_busy,
 347			 tx_ring->tx_stats.tx_done_old);
 348		dev_info(&pf->pdev->dev,
 349			 "    tx_rings[%i]: size = %i, dma = 0x%08lx\n",
 350			 i, tx_ring->size,
 351			 (unsigned long int)tx_ring->dma);
 352		dev_info(&pf->pdev->dev,
 353			 "    tx_rings[%i]: vsi = %p, q_vector = %p\n",
 354			 i, tx_ring->vsi,
 355			 tx_ring->q_vector);
 356		dev_info(&pf->pdev->dev,
 357			 "    tx_rings[%i]: DCB tc = %d\n",
 358			 i, tx_ring->dcb_tc);
 359		dev_info(&pf->pdev->dev,
 360			 "    tx_rings[%i]: tx_itr_setting = %d (%s)\n",
 361			 i, tx_ring->tx_itr_setting,
 362			 ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed");
 363	}
 364	rcu_read_unlock();
 365	dev_info(&pf->pdev->dev,
 366		 "    work_limit = %d\n",
 367		 vsi->work_limit);
 368	dev_info(&pf->pdev->dev,
 369		 "    max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n",
 370		 vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype);
 371	dev_info(&pf->pdev->dev,
 372		 "    num_q_vectors = %i, base_vector = %i\n",
 373		 vsi->num_q_vectors, vsi->base_vector);
 374	dev_info(&pf->pdev->dev,
 375		 "    seid = %d, id = %d, uplink_seid = %d\n",
 376		 vsi->seid, vsi->id, vsi->uplink_seid);
 377	dev_info(&pf->pdev->dev,
 378		 "    base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
 379		 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
 
 380	dev_info(&pf->pdev->dev, "    type = %i\n", vsi->type);
 
 
 381	dev_info(&pf->pdev->dev,
 382		 "    info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
 383		 vsi->info.valid_sections, vsi->info.switch_id);
 384	dev_info(&pf->pdev->dev,
 385		 "    info: sw_reserved[] = 0x%02x 0x%02x\n",
 386		 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
 387	dev_info(&pf->pdev->dev,
 388		 "    info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
 389		 vsi->info.sec_flags, vsi->info.sec_reserved);
 390	dev_info(&pf->pdev->dev,
 391		 "    info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
 392		 vsi->info.pvid, vsi->info.fcoe_pvid,
 393		 vsi->info.port_vlan_flags);
 394	dev_info(&pf->pdev->dev,
 395		 "    info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
 396		 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
 397		 vsi->info.pvlan_reserved[2]);
 398	dev_info(&pf->pdev->dev,
 399		 "    info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
 400		 vsi->info.ingress_table, vsi->info.egress_table);
 401	dev_info(&pf->pdev->dev,
 402		 "    info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
 403		 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
 404		 vsi->info.cas_pv_reserved);
 405	dev_info(&pf->pdev->dev,
 406		 "    info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 407		 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
 408		 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
 409		 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
 410		 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
 411	dev_info(&pf->pdev->dev,
 412		 "    info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 413		 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
 414		 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
 415		 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
 416		 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
 417	dev_info(&pf->pdev->dev,
 418		 "    info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 419		 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
 420		 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
 421		 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
 422		 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
 423	dev_info(&pf->pdev->dev,
 424		 "    info: queueing_opt_flags = 0x%02x  queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
 425		 vsi->info.queueing_opt_flags,
 426		 vsi->info.queueing_opt_reserved[0],
 427		 vsi->info.queueing_opt_reserved[1],
 428		 vsi->info.queueing_opt_reserved[2]);
 429	dev_info(&pf->pdev->dev,
 430		 "    info: up_enable_bits = 0x%02x\n",
 431		 vsi->info.up_enable_bits);
 432	dev_info(&pf->pdev->dev,
 433		 "    info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
 434		 vsi->info.sched_reserved, vsi->info.outer_up_table);
 435	dev_info(&pf->pdev->dev,
 436		 "    info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
 437		 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
 438		 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
 439		 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
 440		 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
 441	dev_info(&pf->pdev->dev,
 442		 "    info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 443		 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
 444		 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
 445		 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
 446		 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
 447	dev_info(&pf->pdev->dev,
 448		 "    info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
 449		 vsi->info.stat_counter_idx, vsi->info.sched_id);
 450	dev_info(&pf->pdev->dev,
 451		 "    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",
 452		 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
 453		 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
 454		 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
 455		 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
 456		 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
 457		 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
 458	if (vsi->back)
 459		dev_info(&pf->pdev->dev, "    PF = %p\n", vsi->back);
 460	dev_info(&pf->pdev->dev, "    idx = %d\n", vsi->idx);
 461	dev_info(&pf->pdev->dev,
 462		 "    tc_config: numtc = %d, enabled_tc = 0x%x\n",
 463		 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
 464	for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 465		dev_info(&pf->pdev->dev,
 466			 "    tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
 467			 i, vsi->tc_config.tc_info[i].qoffset,
 468			 vsi->tc_config.tc_info[i].qcount,
 469			 vsi->tc_config.tc_info[i].netdev_tc);
 470	}
 471	dev_info(&pf->pdev->dev,
 472		 "    bw: bw_limit = %d, bw_max_quanta = %d\n",
 473		 vsi->bw_limit, vsi->bw_max_quanta);
 474	for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 475		dev_info(&pf->pdev->dev,
 476			 "    bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
 477			 i, vsi->bw_ets_share_credits[i],
 478			 vsi->bw_ets_limit_credits[i],
 479			 vsi->bw_ets_max_quanta[i]);
 480	}
 481#ifdef I40E_FCOE
 482	if (vsi->type == I40E_VSI_FCOE) {
 483		dev_info(&pf->pdev->dev,
 484			 "    fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n",
 485			 vsi->fcoe_stats.rx_fcoe_packets,
 486			 vsi->fcoe_stats.rx_fcoe_dwords,
 487			 vsi->fcoe_stats.rx_fcoe_dropped);
 488		dev_info(&pf->pdev->dev,
 489			 "    fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n",
 490			 vsi->fcoe_stats.tx_fcoe_packets,
 491			 vsi->fcoe_stats.tx_fcoe_dwords);
 492		dev_info(&pf->pdev->dev,
 493			 "    fcoe_stats: bad_crc = %llu, last_error = %llu\n",
 494			 vsi->fcoe_stats.fcoe_bad_fccrc,
 495			 vsi->fcoe_stats.fcoe_last_error);
 496		dev_info(&pf->pdev->dev, "    fcoe_stats: ddp_count = %llu\n",
 497			 vsi->fcoe_stats.fcoe_ddp_count);
 498	}
 499#endif
 500}
 501
 502/**
 503 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
 504 * @pf: the i40e_pf created in command write
 505 **/
 506static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
 507{
 508	struct i40e_adminq_ring *ring;
 509	struct i40e_hw *hw = &pf->hw;
 510	char hdr[32];
 511	int i;
 512
 513	snprintf(hdr, sizeof(hdr), "%s %s:         ",
 514		 dev_driver_string(&pf->pdev->dev),
 515		 dev_name(&pf->pdev->dev));
 516
 517	/* first the send (command) ring, then the receive (event) ring */
 518	dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
 519	ring = &(hw->aq.asq);
 520	for (i = 0; i < ring->count; i++) {
 521		struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 522
 523		dev_info(&pf->pdev->dev,
 524			 "   at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 525			 i, d->flags, d->opcode, d->datalen, d->retval,
 526			 d->cookie_high, d->cookie_low);
 527		print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 528			       16, 1, d->params.raw, 16, 0);
 529	}
 530
 531	dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
 532	ring = &(hw->aq.arq);
 533	for (i = 0; i < ring->count; i++) {
 534		struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);
 535
 536		dev_info(&pf->pdev->dev,
 537			 "   ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
 538			 i, d->flags, d->opcode, d->datalen, d->retval,
 539			 d->cookie_high, d->cookie_low);
 540		print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
 541			       16, 1, d->params.raw, 16, 0);
 542	}
 543}
 544
 545/**
 546 * i40e_dbg_dump_desc - handles dump desc write into command datum
 547 * @cnt: number of arguments that the user supplied
 548 * @vsi_seid: vsi id entered by user
 549 * @ring_id: ring id entered by user
 550 * @desc_n: descriptor number entered by user
 551 * @pf: the i40e_pf created in command write
 552 * @is_rx_ring: true if rx, false if tx
 553 **/
 554static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
 555			       struct i40e_pf *pf, bool is_rx_ring)
 556{
 557	struct i40e_tx_desc *txd;
 558	union i40e_rx_desc *rxd;
 559	struct i40e_ring *ring;
 560	struct i40e_vsi *vsi;
 561	int i;
 562
 563	vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 564	if (!vsi) {
 565		dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
 566		return;
 567	}
 568	if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
 569		dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
 570		return;
 571	}
 572	if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
 573		dev_info(&pf->pdev->dev,
 574			 "descriptor rings have not been allocated for vsi %d\n",
 575			 vsi_seid);
 576		return;
 577	}
 578
 579	ring = kmemdup(is_rx_ring
 580		       ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
 581		       sizeof(*ring), GFP_KERNEL);
 582	if (!ring)
 583		return;
 584
 585	if (cnt == 2) {
 586		dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
 587			 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
 588		for (i = 0; i < ring->count; i++) {
 589			if (!is_rx_ring) {
 590				txd = I40E_TX_DESC(ring, i);
 591				dev_info(&pf->pdev->dev,
 592					 "   d[%03x] = 0x%016llx 0x%016llx\n",
 593					 i, txd->buffer_addr,
 594					 txd->cmd_type_offset_bsz);
 595			} else if (sizeof(union i40e_rx_desc) ==
 596				   sizeof(union i40e_16byte_rx_desc)) {
 597				rxd = I40E_RX_DESC(ring, i);
 598				dev_info(&pf->pdev->dev,
 599					 "   d[%03x] = 0x%016llx 0x%016llx\n",
 600					 i, rxd->read.pkt_addr,
 601					 rxd->read.hdr_addr);
 602			} else {
 603				rxd = I40E_RX_DESC(ring, i);
 604				dev_info(&pf->pdev->dev,
 605					 "   d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
 606					 i, rxd->read.pkt_addr,
 607					 rxd->read.hdr_addr,
 608					 rxd->read.rsvd1, rxd->read.rsvd2);
 609			}
 610		}
 611	} else if (cnt == 3) {
 612		if (desc_n >= ring->count || desc_n < 0) {
 613			dev_info(&pf->pdev->dev,
 614				 "descriptor %d not found\n", desc_n);
 615			goto out;
 616		}
 617		if (!is_rx_ring) {
 618			txd = I40E_TX_DESC(ring, desc_n);
 619			dev_info(&pf->pdev->dev,
 620				 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 621				 vsi_seid, ring_id, desc_n,
 622				 txd->buffer_addr, txd->cmd_type_offset_bsz);
 623		} else if (sizeof(union i40e_rx_desc) ==
 624			   sizeof(union i40e_16byte_rx_desc)) {
 625			rxd = I40E_RX_DESC(ring, desc_n);
 626			dev_info(&pf->pdev->dev,
 627				 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
 628				 vsi_seid, ring_id, desc_n,
 629				 rxd->read.pkt_addr, rxd->read.hdr_addr);
 630		} else {
 631			rxd = I40E_RX_DESC(ring, desc_n);
 632			dev_info(&pf->pdev->dev,
 633				 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
 634				 vsi_seid, ring_id, desc_n,
 635				 rxd->read.pkt_addr, rxd->read.hdr_addr,
 636				 rxd->read.rsvd1, rxd->read.rsvd2);
 637		}
 638	} else {
 639		dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
 640	}
 641
 642out:
 643	kfree(ring);
 644}
 645
 646/**
 647 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
 648 * @pf: the i40e_pf created in command write
 649 **/
 650static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
 651{
 652	int i;
 653
 654	for (i = 0; i < pf->num_alloc_vsi; i++)
 655		if (pf->vsi[i])
 656			dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
 657				 i, pf->vsi[i]->seid);
 658}
 659
 660/**
 661 * i40e_dbg_dump_stats - handles dump stats write into command datum
 662 * @pf: the i40e_pf created in command write
 663 * @estats: the eth stats structure to be dumped
 664 **/
 665static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
 666				    struct i40e_eth_stats *estats)
 667{
 668	dev_info(&pf->pdev->dev, "  ethstats:\n");
 669	dev_info(&pf->pdev->dev,
 670		 "    rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
 671		estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
 672	dev_info(&pf->pdev->dev,
 673		 "    rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
 674		 estats->rx_broadcast, estats->rx_discards);
 675	dev_info(&pf->pdev->dev,
 676		 "    rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
 677		 estats->rx_unknown_protocol, estats->tx_bytes);
 678	dev_info(&pf->pdev->dev,
 679		 "    tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
 680		 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
 681	dev_info(&pf->pdev->dev,
 682		 "    tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
 683		 estats->tx_discards, estats->tx_errors);
 684}
 685
 686/**
 687 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
 688 * @pf: the i40e_pf created in command write
 689 * @seid: the seid the user put in
 690 **/
 691static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
 692{
 693	struct i40e_veb *veb;
 694
 695	veb = i40e_dbg_find_veb(pf, seid);
 696	if (!veb) {
 697		dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
 698		return;
 699	}
 700	dev_info(&pf->pdev->dev,
 701		 "veb idx=%d,%d stats_ic=%d  seid=%d uplink=%d mode=%s\n",
 702		 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
 703		 veb->uplink_seid,
 704		 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
 705	i40e_dbg_dump_eth_stats(pf, &veb->stats);
 706}
 707
 708/**
 709 * i40e_dbg_dump_veb_all - dumps all known veb's stats
 710 * @pf: the i40e_pf created in command write
 711 **/
 712static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
 713{
 714	struct i40e_veb *veb;
 715	int i;
 716
 717	for (i = 0; i < I40E_MAX_VEB; i++) {
 718		veb = pf->veb[i];
 719		if (veb)
 720			i40e_dbg_dump_veb_seid(pf, veb->seid);
 721	}
 722}
 723
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 724#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
 725/**
 726 * i40e_dbg_command_write - write into command datum
 727 * @filp: the opened file
 728 * @buffer: where to find the user's data
 729 * @count: the length of the user's data
 730 * @ppos: file position offset
 731 **/
 732static ssize_t i40e_dbg_command_write(struct file *filp,
 733				      const char __user *buffer,
 734				      size_t count, loff_t *ppos)
 735{
 736	struct i40e_pf *pf = filp->private_data;
 737	char *cmd_buf, *cmd_buf_tmp;
 738	int bytes_not_copied;
 739	struct i40e_vsi *vsi;
 740	int vsi_seid;
 741	int veb_seid;
 
 742	int cnt;
 743
 744	/* don't allow partial writes */
 745	if (*ppos != 0)
 746		return 0;
 747
 748	cmd_buf = kzalloc(count + 1, GFP_KERNEL);
 749	if (!cmd_buf)
 750		return count;
 751	bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
 752	if (bytes_not_copied) {
 753		kfree(cmd_buf);
 754		return -EFAULT;
 755	}
 756	cmd_buf[count] = '\0';
 757
 758	cmd_buf_tmp = strchr(cmd_buf, '\n');
 759	if (cmd_buf_tmp) {
 760		*cmd_buf_tmp = '\0';
 761		count = cmd_buf_tmp - cmd_buf + 1;
 762	}
 763
 764	if (strncmp(cmd_buf, "add vsi", 7) == 0) {
 765		vsi_seid = -1;
 766		cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 767		if (cnt == 0) {
 768			/* default to PF VSI */
 769			vsi_seid = pf->vsi[pf->lan_vsi]->seid;
 770		} else if (vsi_seid < 0) {
 771			dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
 772				 vsi_seid);
 773			goto command_write_done;
 774		}
 775
 776		/* By default we are in VEPA mode, if this is the first VF/VMDq
 777		 * VSI to be added switch to VEB mode.
 778		 */
 779		if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
 780			pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
 781			i40e_do_reset_safe(pf,
 782					   BIT_ULL(__I40E_PF_RESET_REQUESTED));
 783		}
 784
 785		vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
 786		if (vsi)
 787			dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
 788				 vsi->seid, vsi->uplink_seid);
 789		else
 790			dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);
 791
 792	} else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
 793		cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
 794		if (cnt != 1) {
 795			dev_info(&pf->pdev->dev,
 796				 "del vsi: bad command string, cnt=%d\n",
 797				 cnt);
 798			goto command_write_done;
 799		}
 800		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 801		if (!vsi) {
 802			dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
 803				 vsi_seid);
 804			goto command_write_done;
 805		}
 806
 807		dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
 808		i40e_vsi_release(vsi);
 809
 810	} else if (strncmp(cmd_buf, "add relay", 9) == 0) {
 811		struct i40e_veb *veb;
 812		int uplink_seid, i;
 813
 814		cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
 815		if (cnt != 2) {
 816			dev_info(&pf->pdev->dev,
 817				 "add relay: bad command string, cnt=%d\n",
 818				 cnt);
 819			goto command_write_done;
 820		} else if (uplink_seid < 0) {
 821			dev_info(&pf->pdev->dev,
 822				 "add relay %d: bad uplink seid\n",
 823				 uplink_seid);
 824			goto command_write_done;
 825		}
 826
 827		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 828		if (!vsi) {
 829			dev_info(&pf->pdev->dev,
 830				 "add relay: VSI %d not found\n", vsi_seid);
 831			goto command_write_done;
 832		}
 833
 834		for (i = 0; i < I40E_MAX_VEB; i++)
 835			if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
 836				break;
 837		if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
 838		    uplink_seid != pf->mac_seid) {
 839			dev_info(&pf->pdev->dev,
 840				 "add relay: relay uplink %d not found\n",
 841				 uplink_seid);
 842			goto command_write_done;
 843		}
 844
 845		veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
 846				     vsi->tc_config.enabled_tc);
 847		if (veb)
 848			dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
 849		else
 850			dev_info(&pf->pdev->dev, "add relay failed\n");
 851
 852	} else if (strncmp(cmd_buf, "del relay", 9) == 0) {
 853		int i;
 854		cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
 855		if (cnt != 1) {
 856			dev_info(&pf->pdev->dev,
 857				 "del relay: bad command string, cnt=%d\n",
 858				 cnt);
 859			goto command_write_done;
 860		} else if (veb_seid < 0) {
 861			dev_info(&pf->pdev->dev,
 862				 "del relay %d: bad relay seid\n", veb_seid);
 863			goto command_write_done;
 864		}
 865
 866		/* find the veb */
 867		for (i = 0; i < I40E_MAX_VEB; i++)
 868			if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
 869				break;
 870		if (i >= I40E_MAX_VEB) {
 871			dev_info(&pf->pdev->dev,
 872				 "del relay: relay %d not found\n", veb_seid);
 873			goto command_write_done;
 874		}
 875
 876		dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
 877		i40e_veb_release(pf->veb[i]);
 878
 879	} else if (strncmp(cmd_buf, "add macaddr", 11) == 0) {
 880		struct i40e_mac_filter *f;
 881		int vlan = 0;
 882		u8 ma[6];
 883		int ret;
 884
 885		cnt = sscanf(&cmd_buf[11],
 886			     "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
 887			     &vsi_seid,
 888			     &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
 889			     &vlan);
 890		if (cnt == 7) {
 891			vlan = 0;
 892		} else if (cnt != 8) {
 893			dev_info(&pf->pdev->dev,
 894				 "add macaddr: bad command string, cnt=%d\n",
 895				 cnt);
 896			goto command_write_done;
 897		}
 898
 899		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 900		if (!vsi) {
 901			dev_info(&pf->pdev->dev,
 902				 "add macaddr: VSI %d not found\n", vsi_seid);
 903			goto command_write_done;
 904		}
 905
 906		spin_lock_bh(&vsi->mac_filter_list_lock);
 907		f = i40e_add_filter(vsi, ma, vlan, false, false);
 908		spin_unlock_bh(&vsi->mac_filter_list_lock);
 909		ret = i40e_sync_vsi_filters(vsi);
 910		if (f && !ret)
 911			dev_info(&pf->pdev->dev,
 912				 "add macaddr: %pM vlan=%d added to VSI %d\n",
 913				 ma, vlan, vsi_seid);
 914		else
 915			dev_info(&pf->pdev->dev,
 916				 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
 917				 ma, vlan, vsi_seid, f, ret);
 918
 919	} else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
 920		int vlan = 0;
 921		u8 ma[6];
 922		int ret;
 923
 924		cnt = sscanf(&cmd_buf[11],
 925			     "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
 926			     &vsi_seid,
 927			     &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
 928			     &vlan);
 929		if (cnt == 7) {
 930			vlan = 0;
 931		} else if (cnt != 8) {
 932			dev_info(&pf->pdev->dev,
 933				 "del macaddr: 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 macaddr: VSI %d not found\n", vsi_seid);
 942			goto command_write_done;
 943		}
 944
 945		spin_lock_bh(&vsi->mac_filter_list_lock);
 946		i40e_del_filter(vsi, ma, vlan, false, false);
 947		spin_unlock_bh(&vsi->mac_filter_list_lock);
 948		ret = i40e_sync_vsi_filters(vsi);
 949		if (!ret)
 950			dev_info(&pf->pdev->dev,
 951				 "del macaddr: %pM vlan=%d removed from VSI %d\n",
 952				 ma, vlan, vsi_seid);
 953		else
 954			dev_info(&pf->pdev->dev,
 955				 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
 956				 ma, vlan, vsi_seid, ret);
 957
 958	} else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
 959		i40e_status ret;
 960		u16 vid;
 961		unsigned int v;
 962
 963		cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
 964		if (cnt != 2) {
 965			dev_info(&pf->pdev->dev,
 966				 "add pvid: bad command string, cnt=%d\n", cnt);
 967			goto command_write_done;
 968		}
 969
 970		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 971		if (!vsi) {
 972			dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
 973				 vsi_seid);
 974			goto command_write_done;
 975		}
 976
 977		vid = v;
 978		ret = i40e_vsi_add_pvid(vsi, vid);
 979		if (!ret)
 980			dev_info(&pf->pdev->dev,
 981				 "add pvid: %d added to VSI %d\n",
 982				 vid, vsi_seid);
 983		else
 984			dev_info(&pf->pdev->dev,
 985				 "add pvid: %d to VSI %d failed, ret=%d\n",
 986				 vid, vsi_seid, ret);
 987
 988	} else if (strncmp(cmd_buf, "del pvid", 8) == 0) {
 989
 990		cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
 991		if (cnt != 1) {
 992			dev_info(&pf->pdev->dev,
 993				 "del pvid: bad command string, cnt=%d\n",
 994				 cnt);
 995			goto command_write_done;
 996		}
 997
 998		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
 999		if (!vsi) {
1000			dev_info(&pf->pdev->dev,
1001				 "del pvid: VSI %d not found\n", vsi_seid);
1002			goto command_write_done;
1003		}
1004
1005		i40e_vsi_remove_pvid(vsi);
1006		dev_info(&pf->pdev->dev,
1007			 "del pvid: removed from VSI %d\n", vsi_seid);
1008
1009	} else if (strncmp(cmd_buf, "dump", 4) == 0) {
1010		if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
1011			i40e_fetch_switch_configuration(pf, true);
1012		} else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
1013			cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1014			if (cnt > 0)
1015				i40e_dbg_dump_vsi_seid(pf, vsi_seid);
1016			else
1017				i40e_dbg_dump_vsi_no_seid(pf);
1018		} else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
1019			cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
1020			if (cnt > 0)
1021				i40e_dbg_dump_veb_seid(pf, vsi_seid);
1022			else
1023				i40e_dbg_dump_veb_all(pf);
 
 
 
 
 
 
1024		} else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
1025			int ring_id, desc_n;
1026			if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
1027				cnt = sscanf(&cmd_buf[12], "%i %i %i",
1028					     &vsi_seid, &ring_id, &desc_n);
1029				i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1030						   desc_n, pf, true);
1031			} else if (strncmp(&cmd_buf[10], "tx", 2)
1032					== 0) {
1033				cnt = sscanf(&cmd_buf[12], "%i %i %i",
1034					     &vsi_seid, &ring_id, &desc_n);
1035				i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
1036						   desc_n, pf, false);
1037			} else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
1038				i40e_dbg_dump_aq_desc(pf);
1039			} else {
1040				dev_info(&pf->pdev->dev,
1041					 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1042				dev_info(&pf->pdev->dev,
1043					 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1044				dev_info(&pf->pdev->dev, "dump desc aq\n");
1045			}
1046		} else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
1047			dev_info(&pf->pdev->dev,
1048				 "core reset count: %d\n", pf->corer_count);
1049			dev_info(&pf->pdev->dev,
1050				 "global reset count: %d\n", pf->globr_count);
1051			dev_info(&pf->pdev->dev,
1052				 "emp reset count: %d\n", pf->empr_count);
1053			dev_info(&pf->pdev->dev,
1054				 "pf reset count: %d\n", pf->pfr_count);
1055			dev_info(&pf->pdev->dev,
1056				 "pf tx sluggish count: %d\n",
1057				 pf->tx_sluggish_count);
1058		} else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
1059			struct i40e_aqc_query_port_ets_config_resp *bw_data;
1060			struct i40e_dcbx_config *cfg =
1061						&pf->hw.local_dcbx_config;
1062			struct i40e_dcbx_config *r_cfg =
1063						&pf->hw.remote_dcbx_config;
1064			int i, ret;
 
1065
1066			bw_data = kzalloc(sizeof(
1067				    struct i40e_aqc_query_port_ets_config_resp),
1068					  GFP_KERNEL);
1069			if (!bw_data) {
1070				ret = -ENOMEM;
1071				goto command_write_done;
1072			}
1073
 
 
 
 
 
1074			ret = i40e_aq_query_port_ets_config(&pf->hw,
1075							    pf->mac_seid,
1076							    bw_data, NULL);
1077			if (ret) {
1078				dev_info(&pf->pdev->dev,
1079					 "Query Port ETS Config AQ command failed =0x%x\n",
1080					 pf->hw.aq.asq_last_status);
1081				kfree(bw_data);
1082				bw_data = NULL;
1083				goto command_write_done;
1084			}
1085			dev_info(&pf->pdev->dev,
1086				 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
1087				 bw_data->tc_valid_bits,
1088				 bw_data->tc_strict_priority_bits,
1089				 le16_to_cpu(bw_data->tc_bw_max[0]),
1090				 le16_to_cpu(bw_data->tc_bw_max[1]));
1091			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1092				dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
1093					 bw_data->tc_bw_share_credits[i],
1094					 le16_to_cpu(bw_data->tc_bw_limits[i]));
1095			}
1096
1097			kfree(bw_data);
1098			bw_data = NULL;
1099
1100			dev_info(&pf->pdev->dev,
1101				 "port dcbx_mode=%d\n", cfg->dcbx_mode);
1102			dev_info(&pf->pdev->dev,
1103				 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1104				 cfg->etscfg.willing, cfg->etscfg.cbs,
1105				 cfg->etscfg.maxtcs);
1106			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1107				dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1108					 i, cfg->etscfg.prioritytable[i],
1109					 cfg->etscfg.tcbwtable[i],
1110					 cfg->etscfg.tsatable[i]);
1111			}
1112			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1113				dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1114					 i, cfg->etsrec.prioritytable[i],
1115					 cfg->etsrec.tcbwtable[i],
1116					 cfg->etsrec.tsatable[i]);
1117			}
1118			dev_info(&pf->pdev->dev,
1119				 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1120				 cfg->pfc.willing, cfg->pfc.mbc,
1121				 cfg->pfc.pfccap, cfg->pfc.pfcenable);
1122			dev_info(&pf->pdev->dev,
1123				 "port app_table: num_apps=%d\n", cfg->numapps);
1124			for (i = 0; i < cfg->numapps; i++) {
1125				dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1126					 i, cfg->app[i].priority,
1127					 cfg->app[i].selector,
1128					 cfg->app[i].protocolid);
1129			}
1130			/* Peer TLV DCBX data */
1131			dev_info(&pf->pdev->dev,
1132				 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
1133				 r_cfg->etscfg.willing,
1134				 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
1135			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1136				dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1137					 i, r_cfg->etscfg.prioritytable[i],
1138					 r_cfg->etscfg.tcbwtable[i],
1139					 r_cfg->etscfg.tsatable[i]);
1140			}
1141			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1142				dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
1143					 i, r_cfg->etsrec.prioritytable[i],
1144					 r_cfg->etsrec.tcbwtable[i],
1145					 r_cfg->etsrec.tsatable[i]);
1146			}
1147			dev_info(&pf->pdev->dev,
1148				 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
1149				 r_cfg->pfc.willing,
1150				 r_cfg->pfc.mbc,
1151				 r_cfg->pfc.pfccap,
1152				 r_cfg->pfc.pfcenable);
1153			dev_info(&pf->pdev->dev,
1154				 "remote port app_table: num_apps=%d\n",
1155				 r_cfg->numapps);
1156			for (i = 0; i < r_cfg->numapps; i++) {
1157				dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
1158					 i, r_cfg->app[i].priority,
1159					 r_cfg->app[i].selector,
1160					 r_cfg->app[i].protocolid);
1161			}
1162		} else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
1163			int cluster_id, table_id;
1164			int index, ret;
1165			u16 buff_len = 4096;
1166			u32 next_index;
1167			u8 next_table;
1168			u8 *buff;
1169			u16 rlen;
1170
1171			cnt = sscanf(&cmd_buf[18], "%i %i %i",
1172				     &cluster_id, &table_id, &index);
1173			if (cnt != 3) {
1174				dev_info(&pf->pdev->dev,
1175					 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1176				goto command_write_done;
1177			}
1178
1179			dev_info(&pf->pdev->dev,
1180				 "AQ debug dump fwdata params %x %x %x %x\n",
1181				 cluster_id, table_id, index, buff_len);
1182			buff = kzalloc(buff_len, GFP_KERNEL);
1183			if (!buff)
1184				goto command_write_done;
1185
1186			ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
1187						 index, buff_len, buff, &rlen,
1188						 &next_table, &next_index,
1189						 NULL);
1190			if (ret) {
1191				dev_info(&pf->pdev->dev,
1192					 "debug dump fwdata AQ Failed %d 0x%x\n",
1193					 ret, pf->hw.aq.asq_last_status);
1194				kfree(buff);
1195				buff = NULL;
1196				goto command_write_done;
1197			}
1198			dev_info(&pf->pdev->dev,
1199				 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
1200				 rlen, next_table, next_index);
1201			print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1202				       DUMP_PREFIX_OFFSET, 16, 1,
1203				       buff, rlen, true);
1204			kfree(buff);
1205			buff = NULL;
1206		} else {
1207			dev_info(&pf->pdev->dev,
1208				 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
1209			dev_info(&pf->pdev->dev, "dump switch\n");
1210			dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
1211			dev_info(&pf->pdev->dev, "dump reset stats\n");
1212			dev_info(&pf->pdev->dev, "dump port\n");
 
1213			dev_info(&pf->pdev->dev,
1214				 "dump debug fwdata <cluster_id> <table_id> <index>\n");
1215		}
1216
1217	} else if (strncmp(cmd_buf, "msg_enable", 10) == 0) {
1218		u32 level;
1219		cnt = sscanf(&cmd_buf[10], "%i", &level);
1220		if (cnt) {
1221			if (I40E_DEBUG_USER & level) {
1222				pf->hw.debug_mask = level;
1223				dev_info(&pf->pdev->dev,
1224					 "set hw.debug_mask = 0x%08x\n",
1225					 pf->hw.debug_mask);
1226			}
1227			pf->msg_enable = level;
1228			dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
1229				 pf->msg_enable);
1230		} else {
1231			dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
1232				 pf->msg_enable);
1233		}
1234	} else if (strncmp(cmd_buf, "pfr", 3) == 0) {
1235		dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
1236		i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));
1237
1238	} else if (strncmp(cmd_buf, "corer", 5) == 0) {
1239		dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
1240		i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));
1241
1242	} else if (strncmp(cmd_buf, "globr", 5) == 0) {
1243		dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
1244		i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));
1245
1246	} else if (strncmp(cmd_buf, "empr", 4) == 0) {
1247		dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
1248		i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));
1249
1250	} else if (strncmp(cmd_buf, "read", 4) == 0) {
1251		u32 address;
1252		u32 value;
1253
1254		cnt = sscanf(&cmd_buf[4], "%i", &address);
1255		if (cnt != 1) {
1256			dev_info(&pf->pdev->dev, "read <reg>\n");
1257			goto command_write_done;
1258		}
1259
1260		/* check the range on address */
1261		if (address > (pf->ioremap_len - sizeof(u32))) {
1262			dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
1263				 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1264			goto command_write_done;
1265		}
1266
1267		value = rd32(&pf->hw, address);
1268		dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
1269			 address, value);
1270
1271	} else if (strncmp(cmd_buf, "write", 5) == 0) {
1272		u32 address, value;
1273
1274		cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
1275		if (cnt != 2) {
1276			dev_info(&pf->pdev->dev, "write <reg> <value>\n");
1277			goto command_write_done;
1278		}
1279
1280		/* check the range on address */
1281		if (address > (pf->ioremap_len - sizeof(u32))) {
1282			dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
1283				 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
1284			goto command_write_done;
1285		}
1286		wr32(&pf->hw, address, value);
1287		value = rd32(&pf->hw, address);
1288		dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
1289			 address, value);
1290	} else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
1291		if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
1292			cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
1293			if (cnt == 0) {
1294				int i;
1295
1296				for (i = 0; i < pf->num_alloc_vsi; i++)
1297					i40e_vsi_reset_stats(pf->vsi[i]);
1298				dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
1299			} else if (cnt == 1) {
1300				vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1301				if (!vsi) {
1302					dev_info(&pf->pdev->dev,
1303						 "clear_stats vsi: bad vsi %d\n",
1304						 vsi_seid);
1305					goto command_write_done;
1306				}
1307				i40e_vsi_reset_stats(vsi);
1308				dev_info(&pf->pdev->dev,
1309					 "vsi clear stats called for vsi %d\n",
1310					 vsi_seid);
1311			} else {
1312				dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
1313			}
1314		} else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
1315			if (pf->hw.partition_id == 1) {
1316				i40e_pf_reset_stats(pf);
1317				dev_info(&pf->pdev->dev, "port stats cleared\n");
1318			} else {
1319				dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
1320			}
1321		} else {
1322			dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
1323		}
1324	} else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
1325		struct i40e_aq_desc *desc;
1326		i40e_status ret;
1327
1328		desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1329		if (!desc)
1330			goto command_write_done;
1331		cnt = sscanf(&cmd_buf[11],
1332			     "%hi %hi %hi %hi %i %i %i %i %i %i",
1333			     &desc->flags,
1334			     &desc->opcode, &desc->datalen, &desc->retval,
1335			     &desc->cookie_high, &desc->cookie_low,
1336			     &desc->params.internal.param0,
1337			     &desc->params.internal.param1,
1338			     &desc->params.internal.param2,
1339			     &desc->params.internal.param3);
1340		if (cnt != 10) {
1341			dev_info(&pf->pdev->dev,
1342				 "send aq_cmd: bad command string, cnt=%d\n",
1343				 cnt);
1344			kfree(desc);
1345			desc = NULL;
1346			goto command_write_done;
1347		}
1348		ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
1349		if (!ret) {
1350			dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1351		} else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1352			dev_info(&pf->pdev->dev,
1353				 "AQ command send failed Opcode %x AQ Error: %d\n",
1354				 desc->opcode, pf->hw.aq.asq_last_status);
1355		} else {
1356			dev_info(&pf->pdev->dev,
1357				 "AQ command send failed Opcode %x Status: %d\n",
1358				 desc->opcode, ret);
1359		}
1360		dev_info(&pf->pdev->dev,
1361			 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1362			 desc->flags, desc->opcode, desc->datalen, desc->retval,
1363			 desc->cookie_high, desc->cookie_low,
1364			 desc->params.internal.param0,
1365			 desc->params.internal.param1,
1366			 desc->params.internal.param2,
1367			 desc->params.internal.param3);
1368		kfree(desc);
1369		desc = NULL;
1370	} else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
1371		struct i40e_aq_desc *desc;
1372		i40e_status ret;
1373		u16 buffer_len;
1374		u8 *buff;
1375
1376		desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
1377		if (!desc)
1378			goto command_write_done;
1379		cnt = sscanf(&cmd_buf[20],
1380			     "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
1381			     &desc->flags,
1382			     &desc->opcode, &desc->datalen, &desc->retval,
1383			     &desc->cookie_high, &desc->cookie_low,
1384			     &desc->params.internal.param0,
1385			     &desc->params.internal.param1,
1386			     &desc->params.internal.param2,
1387			     &desc->params.internal.param3,
1388			     &buffer_len);
1389		if (cnt != 11) {
1390			dev_info(&pf->pdev->dev,
1391				 "send indirect aq_cmd: bad command string, cnt=%d\n",
1392				 cnt);
1393			kfree(desc);
1394			desc = NULL;
1395			goto command_write_done;
1396		}
1397		/* Just stub a buffer big enough in case user messed up */
1398		if (buffer_len == 0)
1399			buffer_len = 1280;
1400
1401		buff = kzalloc(buffer_len, GFP_KERNEL);
1402		if (!buff) {
1403			kfree(desc);
1404			desc = NULL;
1405			goto command_write_done;
1406		}
1407		desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
1408		ret = i40e_asq_send_command(&pf->hw, desc, buff,
1409					    buffer_len, NULL);
1410		if (!ret) {
1411			dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
1412		} else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
1413			dev_info(&pf->pdev->dev,
1414				 "AQ command send failed Opcode %x AQ Error: %d\n",
1415				 desc->opcode, pf->hw.aq.asq_last_status);
1416		} else {
1417			dev_info(&pf->pdev->dev,
1418				 "AQ command send failed Opcode %x Status: %d\n",
1419				 desc->opcode, ret);
1420		}
1421		dev_info(&pf->pdev->dev,
1422			 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
1423			 desc->flags, desc->opcode, desc->datalen, desc->retval,
1424			 desc->cookie_high, desc->cookie_low,
1425			 desc->params.internal.param0,
1426			 desc->params.internal.param1,
1427			 desc->params.internal.param2,
1428			 desc->params.internal.param3);
1429		print_hex_dump(KERN_INFO, "AQ buffer WB: ",
1430			       DUMP_PREFIX_OFFSET, 16, 1,
1431			       buff, buffer_len, true);
1432		kfree(buff);
1433		buff = NULL;
1434		kfree(desc);
1435		desc = NULL;
1436	} else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) ||
1437		   (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
1438		struct i40e_fdir_filter fd_data;
1439		u16 packet_len, i, j = 0;
1440		char *asc_packet;
1441		u8 *raw_packet;
1442		bool add = false;
1443		int ret;
1444
1445		if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
1446			goto command_write_done;
1447
1448		if (strncmp(cmd_buf, "add", 3) == 0)
1449			add = true;
1450
1451		if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED))
1452			goto command_write_done;
1453
1454		asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1455				     GFP_KERNEL);
1456		if (!asc_packet)
1457			goto command_write_done;
1458
1459		raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
1460				     GFP_KERNEL);
1461
1462		if (!raw_packet) {
1463			kfree(asc_packet);
1464			asc_packet = NULL;
1465			goto command_write_done;
1466		}
1467
1468		cnt = sscanf(&cmd_buf[13],
1469			     "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
1470			     &fd_data.q_index,
1471			     &fd_data.flex_off, &fd_data.pctype,
1472			     &fd_data.dest_vsi, &fd_data.dest_ctl,
1473			     &fd_data.fd_status, &fd_data.cnt_index,
1474			     &fd_data.fd_id, &packet_len, asc_packet);
1475		if (cnt != 10) {
1476			dev_info(&pf->pdev->dev,
1477				 "program fd_filter: bad command string, cnt=%d\n",
1478				 cnt);
1479			kfree(asc_packet);
1480			asc_packet = NULL;
1481			kfree(raw_packet);
1482			goto command_write_done;
1483		}
1484
1485		/* fix packet length if user entered 0 */
1486		if (packet_len == 0)
1487			packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE;
1488
1489		/* make sure to check the max as well */
1490		packet_len = min_t(u16,
1491				   packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE);
1492
1493		for (i = 0; i < packet_len; i++) {
1494			cnt = sscanf(&asc_packet[j], "%2hhx ", &raw_packet[i]);
1495			if (!cnt)
1496				break;
1497			j += 3;
1498		}
1499		dev_info(&pf->pdev->dev, "FD raw packet dump\n");
1500		print_hex_dump(KERN_INFO, "FD raw packet: ",
1501			       DUMP_PREFIX_OFFSET, 16, 1,
1502			       raw_packet, packet_len, true);
1503		ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add);
1504		if (!ret) {
1505			dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
1506		} else {
1507			dev_info(&pf->pdev->dev,
1508				 "Filter command send failed %d\n", ret);
1509		}
1510		kfree(raw_packet);
1511		raw_packet = NULL;
1512		kfree(asc_packet);
1513		asc_packet = NULL;
1514	} else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
1515		dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
1516			 i40e_get_current_fd_count(pf));
1517	} else if (strncmp(cmd_buf, "lldp", 4) == 0) {
1518		if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
1519			int ret;
1520
1521			ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
1522			if (ret) {
1523				dev_info(&pf->pdev->dev,
1524					 "Stop LLDP AQ command failed =0x%x\n",
1525					 pf->hw.aq.asq_last_status);
1526				goto command_write_done;
1527			}
1528			ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1529						pf->hw.mac.addr,
1530						I40E_ETH_P_LLDP, 0,
1531						pf->vsi[pf->lan_vsi]->seid,
1532						0, true, NULL, NULL);
1533			if (ret) {
1534				dev_info(&pf->pdev->dev,
1535					"%s: Add Control Packet Filter AQ command failed =0x%x\n",
1536					__func__, pf->hw.aq.asq_last_status);
1537				goto command_write_done;
1538			}
1539#ifdef CONFIG_I40E_DCB
1540			pf->dcbx_cap = DCB_CAP_DCBX_HOST |
1541				       DCB_CAP_DCBX_VER_IEEE;
1542#endif /* CONFIG_I40E_DCB */
1543		} else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
1544			int ret;
1545
1546			ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
1547						pf->hw.mac.addr,
1548						I40E_ETH_P_LLDP, 0,
1549						pf->vsi[pf->lan_vsi]->seid,
1550						0, false, NULL, NULL);
1551			if (ret) {
1552				dev_info(&pf->pdev->dev,
1553					"%s: Remove Control Packet Filter AQ command failed =0x%x\n",
1554					__func__, pf->hw.aq.asq_last_status);
1555				/* Continue and start FW LLDP anyways */
1556			}
1557
1558			ret = i40e_aq_start_lldp(&pf->hw, NULL);
1559			if (ret) {
1560				dev_info(&pf->pdev->dev,
1561					 "Start LLDP AQ command failed =0x%x\n",
1562					 pf->hw.aq.asq_last_status);
1563				goto command_write_done;
1564			}
1565#ifdef CONFIG_I40E_DCB
1566			pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
1567				       DCB_CAP_DCBX_VER_IEEE;
1568#endif /* CONFIG_I40E_DCB */
1569		} else if (strncmp(&cmd_buf[5],
1570			   "get local", 9) == 0) {
1571			u16 llen, rlen;
1572			int ret;
1573			u8 *buff;
1574
1575			buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1576			if (!buff)
1577				goto command_write_done;
1578
1579			ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
1580						   I40E_AQ_LLDP_MIB_LOCAL,
1581						   buff, I40E_LLDPDU_SIZE,
1582						   &llen, &rlen, NULL);
1583			if (ret) {
1584				dev_info(&pf->pdev->dev,
1585					 "Get LLDP MIB (local) AQ command failed =0x%x\n",
1586					 pf->hw.aq.asq_last_status);
1587				kfree(buff);
1588				buff = NULL;
1589				goto command_write_done;
1590			}
1591			dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
1592			print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
1593				       DUMP_PREFIX_OFFSET, 16, 1,
1594				       buff, I40E_LLDPDU_SIZE, true);
1595			kfree(buff);
1596			buff = NULL;
1597		} else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
1598			u16 llen, rlen;
1599			int ret;
1600			u8 *buff;
1601
1602			buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
1603			if (!buff)
1604				goto command_write_done;
1605
1606			ret = i40e_aq_get_lldp_mib(&pf->hw,
1607					I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
1608					I40E_AQ_LLDP_MIB_REMOTE,
1609					buff, I40E_LLDPDU_SIZE,
1610					&llen, &rlen, NULL);
1611			if (ret) {
1612				dev_info(&pf->pdev->dev,
1613					 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
1614					 pf->hw.aq.asq_last_status);
1615				kfree(buff);
1616				buff = NULL;
1617				goto command_write_done;
1618			}
1619			dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
1620			print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
1621				       DUMP_PREFIX_OFFSET, 16, 1,
1622				       buff, I40E_LLDPDU_SIZE, true);
1623			kfree(buff);
1624			buff = NULL;
1625		} else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
1626			int ret;
1627
1628			ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1629								true, NULL);
1630			if (ret) {
1631				dev_info(&pf->pdev->dev,
1632					 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
1633					 pf->hw.aq.asq_last_status);
1634				goto command_write_done;
1635			}
1636		} else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
1637			int ret;
1638
1639			ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
1640								false, NULL);
1641			if (ret) {
1642				dev_info(&pf->pdev->dev,
1643					 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
1644					 pf->hw.aq.asq_last_status);
1645				goto command_write_done;
1646			}
1647		}
1648	} else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
1649		u16 buffer_len, bytes;
1650		u16 module;
1651		u32 offset;
1652		u16 *buff;
1653		int ret;
1654
1655		cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
1656			     &module, &offset, &buffer_len);
1657		if (cnt == 0) {
1658			module = 0;
1659			offset = 0;
1660			buffer_len = 0;
1661		} else if (cnt == 1) {
1662			offset = 0;
1663			buffer_len = 0;
1664		} else if (cnt == 2) {
1665			buffer_len = 0;
1666		} else if (cnt > 3) {
1667			dev_info(&pf->pdev->dev,
1668				 "nvm read: bad command string, cnt=%d\n", cnt);
1669			goto command_write_done;
1670		}
1671
1672		/* set the max length */
1673		buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);
1674
1675		bytes = 2 * buffer_len;
1676
1677		/* read at least 1k bytes, no more than 4kB */
1678		bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
1679		buff = kzalloc(bytes, GFP_KERNEL);
1680		if (!buff)
1681			goto command_write_done;
1682
1683		ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
1684		if (ret) {
1685			dev_info(&pf->pdev->dev,
1686				 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1687				 ret, pf->hw.aq.asq_last_status);
1688			kfree(buff);
1689			goto command_write_done;
1690		}
1691
1692		ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
1693				       bytes, (u8 *)buff, true, NULL);
1694		i40e_release_nvm(&pf->hw);
1695		if (ret) {
1696			dev_info(&pf->pdev->dev,
1697				 "Read NVM AQ failed err=%d status=0x%x\n",
1698				 ret, pf->hw.aq.asq_last_status);
1699		} else {
1700			dev_info(&pf->pdev->dev,
1701				 "Read NVM module=0x%x offset=0x%x words=%d\n",
1702				 module, offset, buffer_len);
1703			if (bytes)
1704				print_hex_dump(KERN_INFO, "NVM Dump: ",
1705					DUMP_PREFIX_OFFSET, 16, 2,
1706					buff, bytes, true);
1707		}
1708		kfree(buff);
1709		buff = NULL;
1710	} else {
1711		dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
1712		dev_info(&pf->pdev->dev, "available commands\n");
1713		dev_info(&pf->pdev->dev, "  add vsi [relay_seid]\n");
1714		dev_info(&pf->pdev->dev, "  del vsi [vsi_seid]\n");
1715		dev_info(&pf->pdev->dev, "  add relay <uplink_seid> <vsi_seid>\n");
1716		dev_info(&pf->pdev->dev, "  del relay <relay_seid>\n");
1717		dev_info(&pf->pdev->dev, "  add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1718		dev_info(&pf->pdev->dev, "  del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
1719		dev_info(&pf->pdev->dev, "  add pvid <vsi_seid> <vid>\n");
1720		dev_info(&pf->pdev->dev, "  del pvid <vsi_seid>\n");
1721		dev_info(&pf->pdev->dev, "  dump switch\n");
1722		dev_info(&pf->pdev->dev, "  dump vsi [seid]\n");
1723		dev_info(&pf->pdev->dev, "  dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
1724		dev_info(&pf->pdev->dev, "  dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
1725		dev_info(&pf->pdev->dev, "  dump desc aq\n");
1726		dev_info(&pf->pdev->dev, "  dump reset stats\n");
1727		dev_info(&pf->pdev->dev, "  dump debug fwdata <cluster_id> <table_id> <index>\n");
1728		dev_info(&pf->pdev->dev, "  msg_enable [level]\n");
1729		dev_info(&pf->pdev->dev, "  read <reg>\n");
1730		dev_info(&pf->pdev->dev, "  write <reg> <value>\n");
1731		dev_info(&pf->pdev->dev, "  clear_stats vsi [seid]\n");
1732		dev_info(&pf->pdev->dev, "  clear_stats port\n");
1733		dev_info(&pf->pdev->dev, "  pfr\n");
1734		dev_info(&pf->pdev->dev, "  corer\n");
1735		dev_info(&pf->pdev->dev, "  globr\n");
1736		dev_info(&pf->pdev->dev, "  send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
1737		dev_info(&pf->pdev->dev, "  send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
1738		dev_info(&pf->pdev->dev, "  add fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n");
1739		dev_info(&pf->pdev->dev, "  rem fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n");
1740		dev_info(&pf->pdev->dev, "  fd current cnt");
1741		dev_info(&pf->pdev->dev, "  lldp start\n");
1742		dev_info(&pf->pdev->dev, "  lldp stop\n");
1743		dev_info(&pf->pdev->dev, "  lldp get local\n");
1744		dev_info(&pf->pdev->dev, "  lldp get remote\n");
1745		dev_info(&pf->pdev->dev, "  lldp event on\n");
1746		dev_info(&pf->pdev->dev, "  lldp event off\n");
1747		dev_info(&pf->pdev->dev, "  nvm read [module] [word_offset] [word_count]\n");
1748	}
1749
1750command_write_done:
1751	kfree(cmd_buf);
1752	cmd_buf = NULL;
1753	return count;
1754}
1755
1756static const struct file_operations i40e_dbg_command_fops = {
1757	.owner = THIS_MODULE,
1758	.open =  simple_open,
1759	.read =  i40e_dbg_command_read,
1760	.write = i40e_dbg_command_write,
1761};
1762
1763/**************************************************************
1764 * netdev_ops
1765 * The netdev_ops entry in debugfs is for giving the driver commands
1766 * to be executed from the netdev operations.
1767 **************************************************************/
1768static char i40e_dbg_netdev_ops_buf[256] = "";
1769
1770/**
1771 * i40e_dbg_netdev_ops - read for netdev_ops datum
1772 * @filp: the opened file
1773 * @buffer: where to write the data for the user to read
1774 * @count: the size of the user's buffer
1775 * @ppos: file position offset
1776 **/
1777static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
1778					size_t count, loff_t *ppos)
1779{
1780	struct i40e_pf *pf = filp->private_data;
1781	int bytes_not_copied;
1782	int buf_size = 256;
1783	char *buf;
1784	int len;
1785
1786	/* don't allow partal reads */
1787	if (*ppos != 0)
1788		return 0;
1789	if (count < buf_size)
1790		return -ENOSPC;
1791
1792	buf = kzalloc(buf_size, GFP_KERNEL);
1793	if (!buf)
1794		return -ENOSPC;
1795
1796	len = snprintf(buf, buf_size, "%s: %s\n",
1797		       pf->vsi[pf->lan_vsi]->netdev->name,
1798		       i40e_dbg_netdev_ops_buf);
1799
1800	bytes_not_copied = copy_to_user(buffer, buf, len);
1801	kfree(buf);
1802
1803	if (bytes_not_copied)
1804		return -EFAULT;
1805
1806	*ppos = len;
1807	return len;
1808}
1809
1810/**
1811 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
1812 * @filp: the opened file
1813 * @buffer: where to find the user's data
1814 * @count: the length of the user's data
1815 * @ppos: file position offset
1816 **/
1817static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
1818					 const char __user *buffer,
1819					 size_t count, loff_t *ppos)
1820{
1821	struct i40e_pf *pf = filp->private_data;
1822	int bytes_not_copied;
1823	struct i40e_vsi *vsi;
1824	char *buf_tmp;
1825	int vsi_seid;
1826	int i, cnt;
1827
1828	/* don't allow partial writes */
1829	if (*ppos != 0)
1830		return 0;
1831	if (count >= sizeof(i40e_dbg_netdev_ops_buf))
1832		return -ENOSPC;
1833
1834	memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
1835	bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
1836					  buffer, count);
1837	if (bytes_not_copied)
1838		return -EFAULT;
1839	i40e_dbg_netdev_ops_buf[count] = '\0';
1840
1841	buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
1842	if (buf_tmp) {
1843		*buf_tmp = '\0';
1844		count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
1845	}
1846
1847	if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
1848		cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1849		if (cnt != 1) {
1850			dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
1851			goto netdev_ops_write_done;
1852		}
1853		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1854		if (!vsi) {
1855			dev_info(&pf->pdev->dev,
1856				 "tx_timeout: VSI %d not found\n", vsi_seid);
1857		} else if (!vsi->netdev) {
1858			dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
1859				 vsi_seid);
1860		} else if (test_bit(__I40E_DOWN, &vsi->state)) {
1861			dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
1862				 vsi_seid);
1863		} else if (rtnl_trylock()) {
1864			vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
1865			rtnl_unlock();
1866			dev_info(&pf->pdev->dev, "tx_timeout called\n");
1867		} else {
1868			dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1869		}
1870	} else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
1871		int mtu;
1872
1873		cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
1874			     &vsi_seid, &mtu);
1875		if (cnt != 2) {
1876			dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
1877			goto netdev_ops_write_done;
1878		}
1879		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1880		if (!vsi) {
1881			dev_info(&pf->pdev->dev,
1882				 "change_mtu: VSI %d not found\n", vsi_seid);
1883		} else if (!vsi->netdev) {
1884			dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
1885				 vsi_seid);
1886		} else if (rtnl_trylock()) {
1887			vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
1888								mtu);
1889			rtnl_unlock();
1890			dev_info(&pf->pdev->dev, "change_mtu called\n");
1891		} else {
1892			dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1893		}
1894
1895	} else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
1896		cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
1897		if (cnt != 1) {
1898			dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
1899			goto netdev_ops_write_done;
1900		}
1901		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1902		if (!vsi) {
1903			dev_info(&pf->pdev->dev,
1904				 "set_rx_mode: VSI %d not found\n", vsi_seid);
1905		} else if (!vsi->netdev) {
1906			dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
1907				 vsi_seid);
1908		} else if (rtnl_trylock()) {
1909			vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
1910			rtnl_unlock();
1911			dev_info(&pf->pdev->dev, "set_rx_mode called\n");
1912		} else {
1913			dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
1914		}
1915
1916	} else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
1917		cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
1918		if (cnt != 1) {
1919			dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
1920			goto netdev_ops_write_done;
1921		}
1922		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
1923		if (!vsi) {
1924			dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
1925				 vsi_seid);
1926		} else if (!vsi->netdev) {
1927			dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
1928				 vsi_seid);
1929		} else {
1930			for (i = 0; i < vsi->num_q_vectors; i++)
1931				napi_schedule(&vsi->q_vectors[i]->napi);
1932			dev_info(&pf->pdev->dev, "napi called\n");
1933		}
1934	} else {
1935		dev_info(&pf->pdev->dev, "unknown command '%s'\n",
1936			 i40e_dbg_netdev_ops_buf);
1937		dev_info(&pf->pdev->dev, "available commands\n");
1938		dev_info(&pf->pdev->dev, "  tx_timeout <vsi_seid>\n");
1939		dev_info(&pf->pdev->dev, "  change_mtu <vsi_seid> <mtu>\n");
1940		dev_info(&pf->pdev->dev, "  set_rx_mode <vsi_seid>\n");
1941		dev_info(&pf->pdev->dev, "  napi <vsi_seid>\n");
1942	}
1943netdev_ops_write_done:
1944	return count;
1945}
1946
1947static const struct file_operations i40e_dbg_netdev_ops_fops = {
1948	.owner = THIS_MODULE,
1949	.open = simple_open,
1950	.read = i40e_dbg_netdev_ops_read,
1951	.write = i40e_dbg_netdev_ops_write,
1952};
1953
1954/**
1955 * i40e_dbg_pf_init - setup the debugfs directory for the PF
1956 * @pf: the PF that is starting up
1957 **/
1958void i40e_dbg_pf_init(struct i40e_pf *pf)
1959{
1960	struct dentry *pfile;
1961	const char *name = pci_name(pf->pdev);
1962	const struct device *dev = &pf->pdev->dev;
1963
1964	pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
1965	if (!pf->i40e_dbg_pf)
1966		return;
1967
1968	pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
1969				    &i40e_dbg_command_fops);
1970	if (!pfile)
1971		goto create_failed;
1972
1973	pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
1974				    &i40e_dbg_netdev_ops_fops);
1975	if (!pfile)
1976		goto create_failed;
1977
1978	return;
1979
1980create_failed:
1981	dev_info(dev, "debugfs dir/file for %s failed\n", name);
1982	debugfs_remove_recursive(pf->i40e_dbg_pf);
1983}
1984
1985/**
1986 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
1987 * @pf: the PF that is stopping
1988 **/
1989void i40e_dbg_pf_exit(struct i40e_pf *pf)
1990{
1991	debugfs_remove_recursive(pf->i40e_dbg_pf);
1992	pf->i40e_dbg_pf = NULL;
1993}
1994
1995/**
1996 * i40e_dbg_init - start up debugfs for the driver
1997 **/
1998void i40e_dbg_init(void)
1999{
2000	i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
2001	if (!i40e_dbg_root)
2002		pr_info("init of debugfs failed\n");
2003}
2004
2005/**
2006 * i40e_dbg_exit - clean out the driver's debugfs entries
2007 **/
2008void i40e_dbg_exit(void)
2009{
2010	debugfs_remove_recursive(i40e_dbg_root);
2011	i40e_dbg_root = NULL;
2012}
2013
2014#endif /* CONFIG_DEBUG_FS */