Release 4.11 drivers/net/ethernet/intel/i40e/i40e_debugfs.c

Directory: drivers/net/ethernet/intel/i40e
/*******************************************************************************
 *
 * Intel Ethernet Controller XL710 Family Linux Driver
 * Copyright(c) 2013 - 2016 Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * The full GNU General Public License is included in this distribution in
 * the file called "COPYING".
 *
 * Contact Information:
 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 ******************************************************************************/

#ifdef CONFIG_DEBUG_FS

#include <linux/fs.h>
#include <linux/debugfs.h>

#include "i40e.h"


static struct dentry *i40e_dbg_root;

/**
 * i40e_dbg_find_vsi - searches for the vsi with the given seid
 * @pf - the PF structure to search for the vsi
 * @seid - seid of the vsi it is searching for
 **/


static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid)
{
	int i;

	if (seid < 0)
		dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
	else
		for (i = 0; i < pf->num_alloc_vsi; i++)
			if (pf->vsi[i] && (pf->vsi[i]->seid == seid))
				return pf->vsi[i];

	return NULL;
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 87 98.86% 1 50.00%
Mitch A Williams 1 1.14% 1 50.00%
Total 88 100.00% 2 100.00%

/**
 * i40e_dbg_find_veb - searches for the veb with the given seid
 * @pf - the PF structure to search for the veb
 * @seid - seid of the veb it is searching for
 **/


static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid)
{
	int i;

	for (i = 0; i < I40E_MAX_VEB; i++)
		if (pf->veb[i] && pf->veb[i]->seid == seid)
			return pf->veb[i];
	return NULL;
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 63 100.00% 1 100.00%
Total 63 100.00% 1 100.00%

/**************************************************************
 * command
 * The command entry in debugfs is for giving the driver commands
 * to be executed - these may be for changing the internal switch
 * setup, adding or removing filters, or other things.  Many of
 * these will be useful for some forms of unit testing.
 **************************************************************/

static char i40e_dbg_command_buf[256] = "";

/**
 * i40e_dbg_command_read - read for command datum
 * @filp: the opened file
 * @buffer: where to write the data for the user to read
 * @count: the size of the user's buffer
 * @ppos: file position offset
 **/


static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer,
				     size_t count, loff_t *ppos)
{
	struct i40e_pf *pf = filp->private_data;
	int bytes_not_copied;
	int buf_size = 256;
	char *buf;
	int len;

	/* don't allow partial reads */
	if (*ppos != 0)
		return 0;
	if (count < buf_size)
		return -ENOSPC;

	buf = kzalloc(buf_size, GFP_KERNEL);
	if (!buf)
		return -ENOSPC;

	len = snprintf(buf, buf_size, "%s: %s\n",
		       pf->vsi[pf->lan_vsi]->netdev->name,
		       i40e_dbg_command_buf);

	bytes_not_copied = copy_to_user(buffer, buf, len);
	kfree(buf);

	if (bytes_not_copied)
		return -EFAULT;

	*ppos = len;
	return len;
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 142 98.61% 1 50.00%
Rasmus Villemoes 2 1.39% 1 50.00%
Total 144 100.00% 2 100.00%


static char *i40e_filter_state_string[] = {
	"INVALID",
	"NEW",
	"ACTIVE",
	"FAILED",
	"REMOVE",
};

/**
 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum
 * @pf: the i40e_pf created in command write
 * @seid: the seid the user put in
 **/


static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid)
{
	struct rtnl_link_stats64 *nstat;
	struct i40e_mac_filter *f;
	struct i40e_vsi *vsi;
	int i, bkt;

	vsi = i40e_dbg_find_vsi(pf, seid);
	if (!vsi) {
		dev_info(&pf->pdev->dev,
			 "dump %d: seid not found\n", seid);
		return;
	}
	dev_info(&pf->pdev->dev, "vsi seid %d\n", seid);
	if (vsi->netdev) {
		struct net_device *nd = vsi->netdev;

		dev_info(&pf->pdev->dev, "    netdev: name = %s, state = %lu, flags = 0x%08x\n",
			 nd->name, nd->state, nd->flags);
		dev_info(&pf->pdev->dev, "        features      = 0x%08lx\n",
			 (unsigned long int)nd->features);
		dev_info(&pf->pdev->dev, "        hw_features   = 0x%08lx\n",
			 (unsigned long int)nd->hw_features);
		dev_info(&pf->pdev->dev, "        vlan_features = 0x%08lx\n",
			 (unsigned long int)nd->vlan_features);
	}
	dev_info(&pf->pdev->dev,
		 "    vlgrp: & = %p\n", vsi->active_vlans);
	dev_info(&pf->pdev->dev,
		 "    state = %li flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n",
		 vsi->state, vsi->flags,
		 vsi->netdev_registered, vsi->current_netdev_flags);
	if (vsi == pf->vsi[pf->lan_vsi])
		dev_info(&pf->pdev->dev, "    MAC address: %pM SAN MAC: %pM Port MAC: %pM\n",
			 pf->hw.mac.addr,
			 pf->hw.mac.san_addr,
			 pf->hw.mac.port_addr);
	hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) {
		dev_info(&pf->pdev->dev,
			 "    mac_filter_hash: %pM vid=%d, state %s\n",
			 f->macaddr, f->vlan,
			 i40e_filter_state_string[f->state]);
	}
	dev_info(&pf->pdev->dev, "    active_filters %u, promisc_threshold %u, overflow promisc %s\n",
		 vsi->active_filters, vsi->promisc_threshold,
		 (test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state) ?
		  "ON" : "OFF"));
	nstat = i40e_get_vsi_stats_struct(vsi);
	dev_info(&pf->pdev->dev,
		 "    net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
		 (unsigned long int)nstat->rx_packets,
		 (unsigned long int)nstat->rx_bytes,
		 (unsigned long int)nstat->rx_errors,
		 (unsigned long int)nstat->rx_dropped);
	dev_info(&pf->pdev->dev,
		 "    net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
		 (unsigned long int)nstat->tx_packets,
		 (unsigned long int)nstat->tx_bytes,
		 (unsigned long int)nstat->tx_errors,
		 (unsigned long int)nstat->tx_dropped);
	dev_info(&pf->pdev->dev,
		 "    net_stats: multicast = %lu, collisions = %lu\n",
		 (unsigned long int)nstat->multicast,
		 (unsigned long int)nstat->collisions);
	dev_info(&pf->pdev->dev,
		 "    net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
		 (unsigned long int)nstat->rx_length_errors,
		 (unsigned long int)nstat->rx_over_errors,
		 (unsigned long int)nstat->rx_crc_errors);
	dev_info(&pf->pdev->dev,
		 "    net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
		 (unsigned long int)nstat->rx_frame_errors,
		 (unsigned long int)nstat->rx_fifo_errors,
		 (unsigned long int)nstat->rx_missed_errors);
	dev_info(&pf->pdev->dev,
		 "    net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
		 (unsigned long int)nstat->tx_aborted_errors,
		 (unsigned long int)nstat->tx_carrier_errors,
		 (unsigned long int)nstat->tx_fifo_errors);
	dev_info(&pf->pdev->dev,
		 "    net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
		 (unsigned long int)nstat->tx_heartbeat_errors,
		 (unsigned long int)nstat->tx_window_errors);
	dev_info(&pf->pdev->dev,
		 "    net_stats: rx_compressed = %lu, tx_compressed = %lu\n",
		 (unsigned long int)nstat->rx_compressed,
		 (unsigned long int)nstat->tx_compressed);
	dev_info(&pf->pdev->dev,
		 "    net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n",
		 (unsigned long int)vsi->net_stats_offsets.rx_packets,
		 (unsigned long int)vsi->net_stats_offsets.rx_bytes,
		 (unsigned long int)vsi->net_stats_offsets.rx_errors,
		 (unsigned long int)vsi->net_stats_offsets.rx_dropped);
	dev_info(&pf->pdev->dev,
		 "    net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n",
		 (unsigned long int)vsi->net_stats_offsets.tx_packets,
		 (unsigned long int)vsi->net_stats_offsets.tx_bytes,
		 (unsigned long int)vsi->net_stats_offsets.tx_errors,
		 (unsigned long int)vsi->net_stats_offsets.tx_dropped);
	dev_info(&pf->pdev->dev,
		 "    net_stats_offsets: multicast = %lu, collisions = %lu\n",
		 (unsigned long int)vsi->net_stats_offsets.multicast,
		 (unsigned long int)vsi->net_stats_offsets.collisions);
	dev_info(&pf->pdev->dev,
		 "    net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n",
		 (unsigned long int)vsi->net_stats_offsets.rx_length_errors,
		 (unsigned long int)vsi->net_stats_offsets.rx_over_errors,
		 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors);
	dev_info(&pf->pdev->dev,
		 "    net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n",
		 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors,
		 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors,
		 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors);
	dev_info(&pf->pdev->dev,
		 "    net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n",
		 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors,
		 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors,
		 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors);
	dev_info(&pf->pdev->dev,
		 "    net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n",
		 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors,
		 (unsigned long int)vsi->net_stats_offsets.tx_window_errors);
	dev_info(&pf->pdev->dev,
		 "    net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n",
		 (unsigned long int)vsi->net_stats_offsets.rx_compressed,
		 (unsigned long int)vsi->net_stats_offsets.tx_compressed);
	dev_info(&pf->pdev->dev,
		 "    tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n",
		 vsi->tx_restart, vsi->tx_busy,
		 vsi->rx_buf_failed, vsi->rx_page_failed);
	rcu_read_lock();
	for (i = 0; i < vsi->num_queue_pairs; i++) {
		struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]);

		if (!rx_ring)
			continue;

		dev_info(&pf->pdev->dev,
			 "    rx_rings[%i]: desc = %p\n",
			 i, rx_ring->desc);
		dev_info(&pf->pdev->dev,
			 "    rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n",
			 i, rx_ring->dev,
			 rx_ring->netdev,
			 rx_ring->rx_bi);
		dev_info(&pf->pdev->dev,
			 "    rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
			 i, rx_ring->state,
			 rx_ring->queue_index,
			 rx_ring->reg_idx);
		dev_info(&pf->pdev->dev,
			 "    rx_rings[%i]: rx_buf_len = %d\n",
			 i, rx_ring->rx_buf_len);
		dev_info(&pf->pdev->dev,
			 "    rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
			 i,
			 rx_ring->next_to_use,
			 rx_ring->next_to_clean,
			 rx_ring->ring_active);
		dev_info(&pf->pdev->dev,
			 "    rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n",
			 i, rx_ring->stats.packets,
			 rx_ring->stats.bytes,
			 rx_ring->rx_stats.non_eop_descs);
		dev_info(&pf->pdev->dev,
			 "    rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n",
			 i,
			 rx_ring->rx_stats.alloc_page_failed,
			 rx_ring->rx_stats.alloc_buff_failed);
		dev_info(&pf->pdev->dev,
			 "    rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n",
			 i,
			 rx_ring->rx_stats.realloc_count,
			 rx_ring->rx_stats.page_reuse_count);
		dev_info(&pf->pdev->dev,
			 "    rx_rings[%i]: size = %i, dma = 0x%08lx\n",
			 i, rx_ring->size,
			 (unsigned long int)rx_ring->dma);
		dev_info(&pf->pdev->dev,
			 "    rx_rings[%i]: vsi = %p, q_vector = %p\n",
			 i, rx_ring->vsi,
			 rx_ring->q_vector);
		dev_info(&pf->pdev->dev,
			 "    rx_rings[%i]: rx_itr_setting = %d (%s)\n",
			 i, rx_ring->rx_itr_setting,
			 ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed");
	}
	for (i = 0; i < vsi->num_queue_pairs; i++) {
		struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]);

		if (!tx_ring)
			continue;

		dev_info(&pf->pdev->dev,
			 "    tx_rings[%i]: desc = %p\n",
			 i, tx_ring->desc);
		dev_info(&pf->pdev->dev,
			 "    tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n",
			 i, tx_ring->dev,
			 tx_ring->netdev,
			 tx_ring->tx_bi);
		dev_info(&pf->pdev->dev,
			 "    tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n",
			 i, tx_ring->state,
			 tx_ring->queue_index,
			 tx_ring->reg_idx);
		dev_info(&pf->pdev->dev,
			 "    tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
			 i,
			 tx_ring->next_to_use,
			 tx_ring->next_to_clean,
			 tx_ring->ring_active);
		dev_info(&pf->pdev->dev,
			 "    tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n",
			 i, tx_ring->stats.packets,
			 tx_ring->stats.bytes,
			 tx_ring->tx_stats.restart_queue);
		dev_info(&pf->pdev->dev,
			 "    tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n",
			 i,
			 tx_ring->tx_stats.tx_busy,
			 tx_ring->tx_stats.tx_done_old);
		dev_info(&pf->pdev->dev,
			 "    tx_rings[%i]: size = %i, dma = 0x%08lx\n",
			 i, tx_ring->size,
			 (unsigned long int)tx_ring->dma);
		dev_info(&pf->pdev->dev,
			 "    tx_rings[%i]: vsi = %p, q_vector = %p\n",
			 i, tx_ring->vsi,
			 tx_ring->q_vector);
		dev_info(&pf->pdev->dev,
			 "    tx_rings[%i]: DCB tc = %d\n",
			 i, tx_ring->dcb_tc);
		dev_info(&pf->pdev->dev,
			 "    tx_rings[%i]: tx_itr_setting = %d (%s)\n",
			 i, tx_ring->tx_itr_setting,
			 ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed");
	}
	rcu_read_unlock();
	dev_info(&pf->pdev->dev,
		 "    work_limit = %d\n",
		 vsi->work_limit);
	dev_info(&pf->pdev->dev,
		 "    max_frame = %d, rx_buf_len = %d dtype = %d\n",
		 vsi->max_frame, vsi->rx_buf_len, 0);
	dev_info(&pf->pdev->dev,
		 "    num_q_vectors = %i, base_vector = %i\n",
		 vsi->num_q_vectors, vsi->base_vector);
	dev_info(&pf->pdev->dev,
		 "    seid = %d, id = %d, uplink_seid = %d\n",
		 vsi->seid, vsi->id, vsi->uplink_seid);
	dev_info(&pf->pdev->dev,
		 "    base_queue = %d, num_queue_pairs = %d, num_desc = %d\n",
		 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc);
	dev_info(&pf->pdev->dev, "    type = %i\n", vsi->type);
	dev_info(&pf->pdev->dev,
		 "    info: valid_sections = 0x%04x, switch_id = 0x%04x\n",
		 vsi->info.valid_sections, vsi->info.switch_id);
	dev_info(&pf->pdev->dev,
		 "    info: sw_reserved[] = 0x%02x 0x%02x\n",
		 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]);
	dev_info(&pf->pdev->dev,
		 "    info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n",
		 vsi->info.sec_flags, vsi->info.sec_reserved);
	dev_info(&pf->pdev->dev,
		 "    info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n",
		 vsi->info.pvid, vsi->info.fcoe_pvid,
		 vsi->info.port_vlan_flags);
	dev_info(&pf->pdev->dev,
		 "    info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n",
		 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1],
		 vsi->info.pvlan_reserved[2]);
	dev_info(&pf->pdev->dev,
		 "    info: ingress_table = 0x%08x, egress_table = 0x%08x\n",
		 vsi->info.ingress_table, vsi->info.egress_table);
	dev_info(&pf->pdev->dev,
		 "    info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n",
		 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags,
		 vsi->info.cas_pv_reserved);
	dev_info(&pf->pdev->dev,
		 "    info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
		 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1],
		 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3],
		 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5],
		 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]);
	dev_info(&pf->pdev->dev,
		 "    info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
		 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9],
		 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11],
		 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13],
		 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]);
	dev_info(&pf->pdev->dev,
		 "    info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
		 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1],
		 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3],
		 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5],
		 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]);
	dev_info(&pf->pdev->dev,
		 "    info: queueing_opt_flags = 0x%02x  queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n",
		 vsi->info.queueing_opt_flags,
		 vsi->info.queueing_opt_reserved[0],
		 vsi->info.queueing_opt_reserved[1],
		 vsi->info.queueing_opt_reserved[2]);
	dev_info(&pf->pdev->dev,
		 "    info: up_enable_bits = 0x%02x\n",
		 vsi->info.up_enable_bits);
	dev_info(&pf->pdev->dev,
		 "    info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n",
		 vsi->info.sched_reserved, vsi->info.outer_up_table);
	dev_info(&pf->pdev->dev,
		 "    info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n",
		 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1],
		 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3],
		 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5],
		 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]);
	dev_info(&pf->pdev->dev,
		 "    info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
		 vsi->info.qs_handle[0], vsi->info.qs_handle[1],
		 vsi->info.qs_handle[2], vsi->info.qs_handle[3],
		 vsi->info.qs_handle[4], vsi->info.qs_handle[5],
		 vsi->info.qs_handle[6], vsi->info.qs_handle[7]);
	dev_info(&pf->pdev->dev,
		 "    info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n",
		 vsi->info.stat_counter_idx, vsi->info.sched_id);
	dev_info(&pf->pdev->dev,
		 "    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",
		 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1],
		 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3],
		 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5],
		 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7],
		 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9],
		 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]);
	if (vsi->back)
		dev_info(&pf->pdev->dev, "    PF = %p\n", vsi->back);
	dev_info(&pf->pdev->dev, "    idx = %d\n", vsi->idx);
	dev_info(&pf->pdev->dev,
		 "    tc_config: numtc = %d, enabled_tc = 0x%x\n",
		 vsi->tc_config.numtc, vsi->tc_config.enabled_tc);
	for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
		dev_info(&pf->pdev->dev,
			 "    tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n",
			 i, vsi->tc_config.tc_info[i].qoffset,
			 vsi->tc_config.tc_info[i].qcount,
			 vsi->tc_config.tc_info[i].netdev_tc);
	}
	dev_info(&pf->pdev->dev,
		 "    bw: bw_limit = %d, bw_max_quanta = %d\n",
		 vsi->bw_limit, vsi->bw_max_quanta);
	for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
		dev_info(&pf->pdev->dev,
			 "    bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n",
			 i, vsi->bw_ets_share_credits[i],
			 vsi->bw_ets_limit_credits[i],
			 vsi->bw_ets_max_quanta[i]);
	}
#ifdef I40E_FCOE
	if (vsi->type == I40E_VSI_FCOE) {
		dev_info(&pf->pdev->dev,
			 "    fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n",
			 vsi->fcoe_stats.rx_fcoe_packets,
			 vsi->fcoe_stats.rx_fcoe_dwords,
			 vsi->fcoe_stats.rx_fcoe_dropped);
		dev_info(&pf->pdev->dev,
			 "    fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n",
			 vsi->fcoe_stats.tx_fcoe_packets,
			 vsi->fcoe_stats.tx_fcoe_dwords);
		dev_info(&pf->pdev->dev,
			 "    fcoe_stats: bad_crc = %llu, last_error = %llu\n",
			 vsi->fcoe_stats.fcoe_bad_fccrc,
			 vsi->fcoe_stats.fcoe_last_error);
		dev_info(&pf->pdev->dev, "    fcoe_stats: ddp_count = %llu\n",
			 vsi->fcoe_stats.fcoe_ddp_count);
	}
#endif
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 2453 83.86% 5 25.00%
Shannon Nelson 138 4.72% 2 10.00%
Vasu Dev 111 3.79% 1 5.00%
Alexander Duyck 90 3.08% 3 15.00%
Mitch A Williams 71 2.43% 4 20.00%
Kan Liang 51 1.74% 1 5.00%
Jacob E Keller 10 0.34% 3 15.00%
Jeff Kirsher 1 0.03% 1 5.00%
Total 2925 100.00% 20 100.00%

/**
 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum
 * @pf: the i40e_pf created in command write
 **/


static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf)
{
	struct i40e_adminq_ring *ring;
	struct i40e_hw *hw = &pf->hw;
	char hdr[32];
	int i;

	snprintf(hdr, sizeof(hdr), "%s %s:         ",
		 dev_driver_string(&pf->pdev->dev),
		 dev_name(&pf->pdev->dev));

	/* first the send (command) ring, then the receive (event) ring */
	dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n");
	ring = &(hw->aq.asq);
	for (i = 0; i < ring->count; i++) {
		struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);

		dev_info(&pf->pdev->dev,
			 "   at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
			 i, d->flags, d->opcode, d->datalen, d->retval,
			 d->cookie_high, d->cookie_low);
		print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
			       16, 1, d->params.raw, 16, 0);
	}

	dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n");
	ring = &(hw->aq.arq);
	for (i = 0; i < ring->count; i++) {
		struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i);

		dev_info(&pf->pdev->dev,
			 "   ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n",
			 i, d->flags, d->opcode, d->datalen, d->retval,
			 d->cookie_high, d->cookie_low);
		print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE,
			       16, 1, d->params.raw, 16, 0);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 242 81.76% 1 50.00%
Shannon Nelson 54 18.24% 1 50.00%
Total 296 100.00% 2 100.00%

/**
 * i40e_dbg_dump_desc - handles dump desc write into command datum
 * @cnt: number of arguments that the user supplied
 * @vsi_seid: vsi id entered by user
 * @ring_id: ring id entered by user
 * @desc_n: descriptor number entered by user
 * @pf: the i40e_pf created in command write
 * @is_rx_ring: true if rx, false if tx
 **/


static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
			       struct i40e_pf *pf, bool is_rx_ring)
{
	struct i40e_tx_desc *txd;
	union i40e_rx_desc *rxd;
	struct i40e_ring *ring;
	struct i40e_vsi *vsi;
	int i;

	vsi = i40e_dbg_find_vsi(pf, vsi_seid);
	if (!vsi) {
		dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
		return;
	}
	if (ring_id >= vsi->num_queue_pairs || ring_id < 0) {
		dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id);
		return;
	}
	if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) {
		dev_info(&pf->pdev->dev,
			 "descriptor rings have not been allocated for vsi %d\n",
			 vsi_seid);
		return;
	}

	ring = kmemdup(is_rx_ring
		       ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id],
		       sizeof(*ring), GFP_KERNEL);
	if (!ring)
		return;

	if (cnt == 2) {
		dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n",
			 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id);
		for (i = 0; i < ring->count; i++) {
			if (!is_rx_ring) {
				txd = I40E_TX_DESC(ring, i);
				dev_info(&pf->pdev->dev,
					 "   d[%03x] = 0x%016llx 0x%016llx\n",
					 i, txd->buffer_addr,
					 txd->cmd_type_offset_bsz);
			} else {
				rxd = I40E_RX_DESC(ring, i);
				dev_info(&pf->pdev->dev,
					 "   d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
					 i, rxd->read.pkt_addr,
					 rxd->read.hdr_addr,
					 rxd->read.rsvd1, rxd->read.rsvd2);
			}
		}
	} else if (cnt == 3) {
		if (desc_n >= ring->count || desc_n < 0) {
			dev_info(&pf->pdev->dev,
				 "descriptor %d not found\n", desc_n);
			goto out;
		}
		if (!is_rx_ring) {
			txd = I40E_TX_DESC(ring, desc_n);
			dev_info(&pf->pdev->dev,
				 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n",
				 vsi_seid, ring_id, desc_n,
				 txd->buffer_addr, txd->cmd_type_offset_bsz);
		} else {
			rxd = I40E_RX_DESC(ring, desc_n);
			dev_info(&pf->pdev->dev,
				 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
				 vsi_seid, ring_id, desc_n,
				 rxd->read.pkt_addr, rxd->read.hdr_addr,
				 rxd->read.rsvd1, rxd->read.rsvd2);
		}
	} else {
		dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
	}

out:
	kfree(ring);
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 325 69.00% 2 28.57%
Shannon Nelson 113 23.99% 3 42.86%
Joe Perches 33 7.01% 2 28.57%
Total 471 100.00% 7 100.00%

/**
 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum
 * @pf: the i40e_pf created in command write
 **/


static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf)
{
	int i;

	for (i = 0; i < pf->num_alloc_vsi; i++)
		if (pf->vsi[i])
			dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n",
				 i, pf->vsi[i]->seid);
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 60 98.36% 1 50.00%
Mitch A Williams 1 1.64% 1 50.00%
Total 61 100.00% 2 100.00%

/**
 * i40e_dbg_dump_stats - handles dump stats write into command datum
 * @pf: the i40e_pf created in command write
 * @estats: the eth stats structure to be dumped
 **/


static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf,
				    struct i40e_eth_stats *estats)
{
	dev_info(&pf->pdev->dev, "  ethstats:\n");
	dev_info(&pf->pdev->dev,
		 "    rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n",
		estats->rx_bytes, estats->rx_unicast, estats->rx_multicast);
	dev_info(&pf->pdev->dev,
		 "    rx_broadcast = \t%lld \trx_discards = \t\t%lld\n",
		 estats->rx_broadcast, estats->rx_discards);
	dev_info(&pf->pdev->dev,
		 "    rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n",
		 estats->rx_unknown_protocol, estats->tx_bytes);
	dev_info(&pf->pdev->dev,
		 "    tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n",
		 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast);
	dev_info(&pf->pdev->dev,
		 "    tx_discards = \t%lld \ttx_errors = \t\t%lld\n",
		 estats->tx_discards, estats->tx_errors);
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 134 98.53% 1 50.00%
Shannon Nelson 2 1.47% 1 50.00%
Total 136 100.00% 2 100.00%

/**
 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb
 * @pf: the i40e_pf created in command write
 * @seid: the seid the user put in
 **/


static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid)
{
	struct i40e_veb *veb;

	veb = i40e_dbg_find_veb(pf, seid);
	if (!veb) {
		dev_info(&pf->pdev->dev, "can't find veb %d\n", seid);
		return;
	}
	dev_info(&pf->pdev->dev,
		 "veb idx=%d,%d stats_ic=%d  seid=%d uplink=%d mode=%s\n",
		 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid,
		 veb->uplink_seid,
		 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
	i40e_dbg_dump_eth_stats(pf, &veb->stats);
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 90 88.24% 1 33.33%
Neerav Parikh 11 10.78% 1 33.33%
Shannon Nelson 1 0.98% 1 33.33%
Total 102 100.00% 3 100.00%

/**
 * i40e_dbg_dump_veb_all - dumps all known veb's stats
 * @pf: the i40e_pf created in command write
 **/


static void i40e_dbg_dump_veb_all(struct i40e_pf *pf)
{
	struct i40e_veb *veb;
	int i;

	for (i = 0; i < I40E_MAX_VEB; i++) {
		veb = pf->veb[i];
		if (veb)
			i40e_dbg_dump_veb_seid(pf, veb->seid);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 56 100.00% 1 100.00%
Total 56 100.00% 1 100.00%


#define I40E_MAX_DEBUG_OUT_BUFFER (4096*4)
/**
 * i40e_dbg_command_write - write into command datum
 * @filp: the opened file
 * @buffer: where to find the user's data
 * @count: the length of the user's data
 * @ppos: file position offset
 **/


static ssize_t i40e_dbg_command_write(struct file *filp,
				      const char __user *buffer,
				      size_t count, loff_t *ppos)
{
	struct i40e_pf *pf = filp->private_data;
	char *cmd_buf, *cmd_buf_tmp;
	int bytes_not_copied;
	struct i40e_vsi *vsi;
	int vsi_seid;
	int veb_seid;
	int cnt;

	/* don't allow partial writes */
	if (*ppos != 0)
		return 0;

	cmd_buf = kzalloc(count + 1, GFP_KERNEL);
	if (!cmd_buf)
		return count;
	bytes_not_copied = copy_from_user(cmd_buf, buffer, count);
	if (bytes_not_copied) {
		kfree(cmd_buf);
		return -EFAULT;
	}
	cmd_buf[count] = '\0';

	cmd_buf_tmp = strchr(cmd_buf, '\n');
	if (cmd_buf_tmp) {
		*cmd_buf_tmp = '\0';
		count = cmd_buf_tmp - cmd_buf + 1;
	}

	if (strncmp(cmd_buf, "add vsi", 7) == 0) {
		vsi_seid = -1;
		cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
		if (cnt == 0) {
			/* default to PF VSI */
			vsi_seid = pf->vsi[pf->lan_vsi]->seid;
		} else if (vsi_seid < 0) {
			dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n",
				 vsi_seid);
			goto command_write_done;
		}

		/* By default we are in VEPA mode, if this is the first VF/VMDq
                 * VSI to be added switch to VEB mode.
                 */
		if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
			pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
			i40e_do_reset_safe(pf,
					   BIT_ULL(__I40E_PF_RESET_REQUESTED));
		}

		vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0);
		if (vsi)
			dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n",
				 vsi->seid, vsi->uplink_seid);
		else
			dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf);

	} else if (strncmp(cmd_buf, "del vsi", 7) == 0) {
		cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid);
		if (cnt != 1) {
			dev_info(&pf->pdev->dev,
				 "del vsi: bad command string, cnt=%d\n",
				 cnt);
			goto command_write_done;
		}
		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
		if (!vsi) {
			dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n",
				 vsi_seid);
			goto command_write_done;
		}

		dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid);
		i40e_vsi_release(vsi);

	} else if (strncmp(cmd_buf, "add relay", 9) == 0) {
		struct i40e_veb *veb;
		int uplink_seid, i;

		cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid);
		if (cnt != 2) {
			dev_info(&pf->pdev->dev,
				 "add relay: bad command string, cnt=%d\n",
				 cnt);
			goto command_write_done;
		} else if (uplink_seid < 0) {
			dev_info(&pf->pdev->dev,
				 "add relay %d: bad uplink seid\n",
				 uplink_seid);
			goto command_write_done;
		}

		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
		if (!vsi) {
			dev_info(&pf->pdev->dev,
				 "add relay: VSI %d not found\n", vsi_seid);
			goto command_write_done;
		}

		for (i = 0; i < I40E_MAX_VEB; i++)
			if (pf->veb[i] && pf->veb[i]->seid == uplink_seid)
				break;
		if (i >= I40E_MAX_VEB && uplink_seid != 0 &&
		    uplink_seid != pf->mac_seid) {
			dev_info(&pf->pdev->dev,
				 "add relay: relay uplink %d not found\n",
				 uplink_seid);
			goto command_write_done;
		}

		veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid,
				     vsi->tc_config.enabled_tc);
		if (veb)
			dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid);
		else
			dev_info(&pf->pdev->dev, "add relay failed\n");

	} else if (strncmp(cmd_buf, "del relay", 9) == 0) {
		int i;
		cnt = sscanf(&cmd_buf[9], "%i", &veb_seid);
		if (cnt != 1) {
			dev_info(&pf->pdev->dev,
				 "del relay: bad command string, cnt=%d\n",
				 cnt);
			goto command_write_done;
		} else if (veb_seid < 0) {
			dev_info(&pf->pdev->dev,
				 "del relay %d: bad relay seid\n", veb_seid);
			goto command_write_done;
		}

		/* find the veb */
		for (i = 0; i < I40E_MAX_VEB; i++)
			if (pf->veb[i] && pf->veb[i]->seid == veb_seid)
				break;
		if (i >= I40E_MAX_VEB) {
			dev_info(&pf->pdev->dev,
				 "del relay: relay %d not found\n", veb_seid);
			goto command_write_done;
		}

		dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid);
		i40e_veb_release(pf->veb[i]);
	} else if (strncmp(cmd_buf, "add pvid", 8) == 0) {
		i40e_status ret;
		u16 vid;
		unsigned int v;

		cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v);
		if (cnt != 2) {
			dev_info(&pf->pdev->dev,
				 "add pvid: bad command string, cnt=%d\n", cnt);
			goto command_write_done;
		}

		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
		if (!vsi) {
			dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n",
				 vsi_seid);
			goto command_write_done;
		}

		vid = v;
		ret = i40e_vsi_add_pvid(vsi, vid);
		if (!ret)
			dev_info(&pf->pdev->dev,
				 "add pvid: %d added to VSI %d\n",
				 vid, vsi_seid);
		else
			dev_info(&pf->pdev->dev,
				 "add pvid: %d to VSI %d failed, ret=%d\n",
				 vid, vsi_seid, ret);

	} else if (strncmp(cmd_buf, "del pvid", 8) == 0) {

		cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
		if (cnt != 1) {
			dev_info(&pf->pdev->dev,
				 "del pvid: bad command string, cnt=%d\n",
				 cnt);
			goto command_write_done;
		}

		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
		if (!vsi) {
			dev_info(&pf->pdev->dev,
				 "del pvid: VSI %d not found\n", vsi_seid);
			goto command_write_done;
		}

		i40e_vsi_remove_pvid(vsi);
		dev_info(&pf->pdev->dev,
			 "del pvid: removed from VSI %d\n", vsi_seid);

	} else if (strncmp(cmd_buf, "dump", 4) == 0) {
		if (strncmp(&cmd_buf[5], "switch", 6) == 0) {
			i40e_fetch_switch_configuration(pf, true);
		} else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) {
			cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
			if (cnt > 0)
				i40e_dbg_dump_vsi_seid(pf, vsi_seid);
			else
				i40e_dbg_dump_vsi_no_seid(pf);
		} else if (strncmp(&cmd_buf[5], "veb", 3) == 0) {
			cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid);
			if (cnt > 0)
				i40e_dbg_dump_veb_seid(pf, vsi_seid);
			else
				i40e_dbg_dump_veb_all(pf);
		} else if (strncmp(&cmd_buf[5], "desc", 4) == 0) {
			int ring_id, desc_n;
			if (strncmp(&cmd_buf[10], "rx", 2) == 0) {
				cnt = sscanf(&cmd_buf[12], "%i %i %i",
					     &vsi_seid, &ring_id, &desc_n);
				i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
						   desc_n, pf, true);
			} else if (strncmp(&cmd_buf[10], "tx", 2)
					== 0) {
				cnt = sscanf(&cmd_buf[12], "%i %i %i",
					     &vsi_seid, &ring_id, &desc_n);
				i40e_dbg_dump_desc(cnt, vsi_seid, ring_id,
						   desc_n, pf, false);
			} else if (strncmp(&cmd_buf[10], "aq", 2) == 0) {
				i40e_dbg_dump_aq_desc(pf);
			} else {
				dev_info(&pf->pdev->dev,
					 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
				dev_info(&pf->pdev->dev,
					 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
				dev_info(&pf->pdev->dev, "dump desc aq\n");
			}
		} else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) {
			dev_info(&pf->pdev->dev,
				 "core reset count: %d\n", pf->corer_count);
			dev_info(&pf->pdev->dev,
				 "global reset count: %d\n", pf->globr_count);
			dev_info(&pf->pdev->dev,
				 "emp reset count: %d\n", pf->empr_count);
			dev_info(&pf->pdev->dev,
				 "pf reset count: %d\n", pf->pfr_count);
			dev_info(&pf->pdev->dev,
				 "pf tx sluggish count: %d\n",
				 pf->tx_sluggish_count);
		} else if (strncmp(&cmd_buf[5], "port", 4) == 0) {
			struct i40e_aqc_query_port_ets_config_resp *bw_data;
			struct i40e_dcbx_config *cfg =
						&pf->hw.local_dcbx_config;
			struct i40e_dcbx_config *r_cfg =
						&pf->hw.remote_dcbx_config;
			int i, ret;
			u16 switch_id;

			bw_data = kzalloc(sizeof(
				    struct i40e_aqc_query_port_ets_config_resp),
					  GFP_KERNEL);
			if (!bw_data) {
				ret = -ENOMEM;
				goto command_write_done;
			}

			vsi = pf->vsi[pf->lan_vsi];
			switch_id =
				le16_to_cpu(vsi->info.switch_id) &
					    I40E_AQ_VSI_SW_ID_MASK;

			ret = i40e_aq_query_port_ets_config(&pf->hw,
							    switch_id,
							    bw_data, NULL);
			if (ret) {
				dev_info(&pf->pdev->dev,
					 "Query Port ETS Config AQ command failed =0x%x\n",
					 pf->hw.aq.asq_last_status);
				kfree(bw_data);
				bw_data = NULL;
				goto command_write_done;
			}
			dev_info(&pf->pdev->dev,
				 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n",
				 bw_data->tc_valid_bits,
				 bw_data->tc_strict_priority_bits,
				 le16_to_cpu(bw_data->tc_bw_max[0]),
				 le16_to_cpu(bw_data->tc_bw_max[1]));
			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
				dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n",
					 bw_data->tc_bw_share_credits[i],
					 le16_to_cpu(bw_data->tc_bw_limits[i]));
			}

			kfree(bw_data);
			bw_data = NULL;

			dev_info(&pf->pdev->dev,
				 "port dcbx_mode=%d\n", cfg->dcbx_mode);
			dev_info(&pf->pdev->dev,
				 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
				 cfg->etscfg.willing, cfg->etscfg.cbs,
				 cfg->etscfg.maxtcs);
			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
				dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
					 i, cfg->etscfg.prioritytable[i],
					 cfg->etscfg.tcbwtable[i],
					 cfg->etscfg.tsatable[i]);
			}
			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
				dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
					 i, cfg->etsrec.prioritytable[i],
					 cfg->etsrec.tcbwtable[i],
					 cfg->etsrec.tsatable[i]);
			}
			dev_info(&pf->pdev->dev,
				 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
				 cfg->pfc.willing, cfg->pfc.mbc,
				 cfg->pfc.pfccap, cfg->pfc.pfcenable);
			dev_info(&pf->pdev->dev,
				 "port app_table: num_apps=%d\n", cfg->numapps);
			for (i = 0; i < cfg->numapps; i++) {
				dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n",
					 i, cfg->app[i].priority,
					 cfg->app[i].selector,
					 cfg->app[i].protocolid);
			}
			/* Peer TLV DCBX data */
			dev_info(&pf->pdev->dev,
				 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n",
				 r_cfg->etscfg.willing,
				 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs);
			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
				dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n",
					 i, r_cfg->etscfg.prioritytable[i],
					 r_cfg->etscfg.tcbwtable[i],
					 r_cfg->etscfg.tsatable[i]);
			}
			for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
				dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n",
					 i, r_cfg->etsrec.prioritytable[i],
					 r_cfg->etsrec.tcbwtable[i],
					 r_cfg->etsrec.tsatable[i]);
			}
			dev_info(&pf->pdev->dev,
				 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n",
				 r_cfg->pfc.willing,
				 r_cfg->pfc.mbc,
				 r_cfg->pfc.pfccap,
				 r_cfg->pfc.pfcenable);
			dev_info(&pf->pdev->dev,
				 "remote port app_table: num_apps=%d\n",
				 r_cfg->numapps);
			for (i = 0; i < r_cfg->numapps; i++) {
				dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n",
					 i, r_cfg->app[i].priority,
					 r_cfg->app[i].selector,
					 r_cfg->app[i].protocolid);
			}
		} else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) {
			int cluster_id, table_id;
			int index, ret;
			u16 buff_len = 4096;
			u32 next_index;
			u8 next_table;
			u8 *buff;
			u16 rlen;

			cnt = sscanf(&cmd_buf[18], "%i %i %i",
				     &cluster_id, &table_id, &index);
			if (cnt != 3) {
				dev_info(&pf->pdev->dev,
					 "dump debug fwdata <cluster_id> <table_id> <index>\n");
				goto command_write_done;
			}

			dev_info(&pf->pdev->dev,
				 "AQ debug dump fwdata params %x %x %x %x\n",
				 cluster_id, table_id, index, buff_len);
			buff = kzalloc(buff_len, GFP_KERNEL);
			if (!buff)
				goto command_write_done;

			ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id,
						 index, buff_len, buff, &rlen,
						 &next_table, &next_index,
						 NULL);
			if (ret) {
				dev_info(&pf->pdev->dev,
					 "debug dump fwdata AQ Failed %d 0x%x\n",
					 ret, pf->hw.aq.asq_last_status);
				kfree(buff);
				buff = NULL;
				goto command_write_done;
			}
			dev_info(&pf->pdev->dev,
				 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n",
				 rlen, next_table, next_index);
			print_hex_dump(KERN_INFO, "AQ buffer WB: ",
				       DUMP_PREFIX_OFFSET, 16, 1,
				       buff, rlen, true);
			kfree(buff);
			buff = NULL;
		} else {
			dev_info(&pf->pdev->dev,
				 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n");
			dev_info(&pf->pdev->dev, "dump switch\n");
			dev_info(&pf->pdev->dev, "dump vsi [seid]\n");
			dev_info(&pf->pdev->dev, "dump reset stats\n");
			dev_info(&pf->pdev->dev, "dump port\n");
			dev_info(&pf->pdev->dev,
				 "dump debug fwdata <cluster_id> <table_id> <index>\n");
		}
	} else if (strncmp(cmd_buf, "pfr", 3) == 0) {
		dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n");
		i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED));

	} else if (strncmp(cmd_buf, "corer", 5) == 0) {
		dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n");
		i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED));

	} else if (strncmp(cmd_buf, "globr", 5) == 0) {
		dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n");
		i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED));

	} else if (strncmp(cmd_buf, "empr", 4) == 0) {
		dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n");
		i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED));

	} else if (strncmp(cmd_buf, "read", 4) == 0) {
		u32 address;
		u32 value;

		cnt = sscanf(&cmd_buf[4], "%i", &address);
		if (cnt != 1) {
			dev_info(&pf->pdev->dev, "read <reg>\n");
			goto command_write_done;
		}

		/* check the range on address */
		if (address > (pf->ioremap_len - sizeof(u32))) {
			dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n",
				 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
			goto command_write_done;
		}

		value = rd32(&pf->hw, address);
		dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n",
			 address, value);

	} else if (strncmp(cmd_buf, "write", 5) == 0) {
		u32 address, value;

		cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value);
		if (cnt != 2) {
			dev_info(&pf->pdev->dev, "write <reg> <value>\n");
			goto command_write_done;
		}

		/* check the range on address */
		if (address > (pf->ioremap_len - sizeof(u32))) {
			dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n",
				 address, (unsigned long int)(pf->ioremap_len - sizeof(u32)));
			goto command_write_done;
		}
		wr32(&pf->hw, address, value);
		value = rd32(&pf->hw, address);
		dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n",
			 address, value);
	} else if (strncmp(cmd_buf, "clear_stats", 11) == 0) {
		if (strncmp(&cmd_buf[12], "vsi", 3) == 0) {
			cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid);
			if (cnt == 0) {
				int i;

				for (i = 0; i < pf->num_alloc_vsi; i++)
					i40e_vsi_reset_stats(pf->vsi[i]);
				dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n");
			} else if (cnt == 1) {
				vsi = i40e_dbg_find_vsi(pf, vsi_seid);
				if (!vsi) {
					dev_info(&pf->pdev->dev,
						 "clear_stats vsi: bad vsi %d\n",
						 vsi_seid);
					goto command_write_done;
				}
				i40e_vsi_reset_stats(vsi);
				dev_info(&pf->pdev->dev,
					 "vsi clear stats called for vsi %d\n",
					 vsi_seid);
			} else {
				dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n");
			}
		} else if (strncmp(&cmd_buf[12], "port", 4) == 0) {
			if (pf->hw.partition_id == 1) {
				i40e_pf_reset_stats(pf);
				dev_info(&pf->pdev->dev, "port stats cleared\n");
			} else {
				dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n");
			}
		} else {
			dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n");
		}
	} else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) {
		struct i40e_aq_desc *desc;
		i40e_status ret;

		desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
		if (!desc)
			goto command_write_done;
		cnt = sscanf(&cmd_buf[11],
			     "%hi %hi %hi %hi %i %i %i %i %i %i",
			     &desc->flags,
			     &desc->opcode, &desc->datalen, &desc->retval,
			     &desc->cookie_high, &desc->cookie_low,
			     &desc->params.internal.param0,
			     &desc->params.internal.param1,
			     &desc->params.internal.param2,
			     &desc->params.internal.param3);
		if (cnt != 10) {
			dev_info(&pf->pdev->dev,
				 "send aq_cmd: bad command string, cnt=%d\n",
				 cnt);
			kfree(desc);
			desc = NULL;
			goto command_write_done;
		}
		ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL);
		if (!ret) {
			dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
		} else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
			dev_info(&pf->pdev->dev,
				 "AQ command send failed Opcode %x AQ Error: %d\n",
				 desc->opcode, pf->hw.aq.asq_last_status);
		} else {
			dev_info(&pf->pdev->dev,
				 "AQ command send failed Opcode %x Status: %d\n",
				 desc->opcode, ret);
		}
		dev_info(&pf->pdev->dev,
			 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
			 desc->flags, desc->opcode, desc->datalen, desc->retval,
			 desc->cookie_high, desc->cookie_low,
			 desc->params.internal.param0,
			 desc->params.internal.param1,
			 desc->params.internal.param2,
			 desc->params.internal.param3);
		kfree(desc);
		desc = NULL;
	} else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) {
		struct i40e_aq_desc *desc;
		i40e_status ret;
		u16 buffer_len;
		u8 *buff;

		desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL);
		if (!desc)
			goto command_write_done;
		cnt = sscanf(&cmd_buf[20],
			     "%hi %hi %hi %hi %i %i %i %i %i %i %hi",
			     &desc->flags,
			     &desc->opcode, &desc->datalen, &desc->retval,
			     &desc->cookie_high, &desc->cookie_low,
			     &desc->params.internal.param0,
			     &desc->params.internal.param1,
			     &desc->params.internal.param2,
			     &desc->params.internal.param3,
			     &buffer_len);
		if (cnt != 11) {
			dev_info(&pf->pdev->dev,
				 "send indirect aq_cmd: bad command string, cnt=%d\n",
				 cnt);
			kfree(desc);
			desc = NULL;
			goto command_write_done;
		}
		/* Just stub a buffer big enough in case user messed up */
		if (buffer_len == 0)
			buffer_len = 1280;

		buff = kzalloc(buffer_len, GFP_KERNEL);
		if (!buff) {
			kfree(desc);
			desc = NULL;
			goto command_write_done;
		}
		desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF);
		ret = i40e_asq_send_command(&pf->hw, desc, buff,
					    buffer_len, NULL);
		if (!ret) {
			dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n");
		} else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) {
			dev_info(&pf->pdev->dev,
				 "AQ command send failed Opcode %x AQ Error: %d\n",
				 desc->opcode, pf->hw.aq.asq_last_status);
		} else {
			dev_info(&pf->pdev->dev,
				 "AQ command send failed Opcode %x Status: %d\n",
				 desc->opcode, ret);
		}
		dev_info(&pf->pdev->dev,
			 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
			 desc->flags, desc->opcode, desc->datalen, desc->retval,
			 desc->cookie_high, desc->cookie_low,
			 desc->params.internal.param0,
			 desc->params.internal.param1,
			 desc->params.internal.param2,
			 desc->params.internal.param3);
		print_hex_dump(KERN_INFO, "AQ buffer WB: ",
			       DUMP_PREFIX_OFFSET, 16, 1,
			       buff, buffer_len, true);
		kfree(buff);
		buff = NULL;
		kfree(desc);
		desc = NULL;
	} else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) {
		dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n",
			 i40e_get_current_fd_count(pf));
	} else if (strncmp(cmd_buf, "lldp", 4) == 0) {
		if (strncmp(&cmd_buf[5], "stop", 4) == 0) {
			int ret;

			ret = i40e_aq_stop_lldp(&pf->hw, false, NULL);
			if (ret) {
				dev_info(&pf->pdev->dev,
					 "Stop LLDP AQ command failed =0x%x\n",
					 pf->hw.aq.asq_last_status);
				goto command_write_done;
			}
			ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
						pf->hw.mac.addr,
						I40E_ETH_P_LLDP, 0,
						pf->vsi[pf->lan_vsi]->seid,
						0, true, NULL, NULL);
			if (ret) {
				dev_info(&pf->pdev->dev,
					"%s: Add Control Packet Filter AQ command failed =0x%x\n",
					__func__, pf->hw.aq.asq_last_status);
				goto command_write_done;
			}
#ifdef CONFIG_I40E_DCB
			pf->dcbx_cap = DCB_CAP_DCBX_HOST |
				       DCB_CAP_DCBX_VER_IEEE;
#endif /* CONFIG_I40E_DCB */
		} else if (strncmp(&cmd_buf[5], "start", 5) == 0) {
			int ret;

			ret = i40e_aq_add_rem_control_packet_filter(&pf->hw,
						pf->hw.mac.addr,
						I40E_ETH_P_LLDP, 0,
						pf->vsi[pf->lan_vsi]->seid,
						0, false, NULL, NULL);
			if (ret) {
				dev_info(&pf->pdev->dev,
					"%s: Remove Control Packet Filter AQ command failed =0x%x\n",
					__func__, pf->hw.aq.asq_last_status);
				/* Continue and start FW LLDP anyways */
			}

			ret = i40e_aq_start_lldp(&pf->hw, NULL);
			if (ret) {
				dev_info(&pf->pdev->dev,
					 "Start LLDP AQ command failed =0x%x\n",
					 pf->hw.aq.asq_last_status);
				goto command_write_done;
			}
#ifdef CONFIG_I40E_DCB
			pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED |
				       DCB_CAP_DCBX_VER_IEEE;
#endif /* CONFIG_I40E_DCB */
		} else if (strncmp(&cmd_buf[5],
			   "get local", 9) == 0) {
			u16 llen, rlen;
			int ret;
			u8 *buff;

			buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
			if (!buff)
				goto command_write_done;

			ret = i40e_aq_get_lldp_mib(&pf->hw, 0,
						   I40E_AQ_LLDP_MIB_LOCAL,
						   buff, I40E_LLDPDU_SIZE,
						   &llen, &rlen, NULL);
			if (ret) {
				dev_info(&pf->pdev->dev,
					 "Get LLDP MIB (local) AQ command failed =0x%x\n",
					 pf->hw.aq.asq_last_status);
				kfree(buff);
				buff = NULL;
				goto command_write_done;
			}
			dev_info(&pf->pdev->dev, "LLDP MIB (local)\n");
			print_hex_dump(KERN_INFO, "LLDP MIB (local): ",
				       DUMP_PREFIX_OFFSET, 16, 1,
				       buff, I40E_LLDPDU_SIZE, true);
			kfree(buff);
			buff = NULL;
		} else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) {
			u16 llen, rlen;
			int ret;
			u8 *buff;

			buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL);
			if (!buff)
				goto command_write_done;

			ret = i40e_aq_get_lldp_mib(&pf->hw,
					I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE,
					I40E_AQ_LLDP_MIB_REMOTE,
					buff, I40E_LLDPDU_SIZE,
					&llen, &rlen, NULL);
			if (ret) {
				dev_info(&pf->pdev->dev,
					 "Get LLDP MIB (remote) AQ command failed =0x%x\n",
					 pf->hw.aq.asq_last_status);
				kfree(buff);
				buff = NULL;
				goto command_write_done;
			}
			dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n");
			print_hex_dump(KERN_INFO, "LLDP MIB (remote): ",
				       DUMP_PREFIX_OFFSET, 16, 1,
				       buff, I40E_LLDPDU_SIZE, true);
			kfree(buff);
			buff = NULL;
		} else if (strncmp(&cmd_buf[5], "event on", 8) == 0) {
			int ret;

			ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
								true, NULL);
			if (ret) {
				dev_info(&pf->pdev->dev,
					 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n",
					 pf->hw.aq.asq_last_status);
				goto command_write_done;
			}
		} else if (strncmp(&cmd_buf[5], "event off", 9) == 0) {
			int ret;

			ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw,
								false, NULL);
			if (ret) {
				dev_info(&pf->pdev->dev,
					 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n",
					 pf->hw.aq.asq_last_status);
				goto command_write_done;
			}
		}
	} else if (strncmp(cmd_buf, "nvm read", 8) == 0) {
		u16 buffer_len, bytes;
		u16 module;
		u32 offset;
		u16 *buff;
		int ret;

		cnt = sscanf(&cmd_buf[8], "%hx %x %hx",
			     &module, &offset, &buffer_len);
		if (cnt == 0) {
			module = 0;
			offset = 0;
			buffer_len = 0;
		} else if (cnt == 1) {
			offset = 0;
			buffer_len = 0;
		} else if (cnt == 2) {
			buffer_len = 0;
		} else if (cnt > 3) {
			dev_info(&pf->pdev->dev,
				 "nvm read: bad command string, cnt=%d\n", cnt);
			goto command_write_done;
		}

		/* set the max length */
		buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2);

		bytes = 2 * buffer_len;

		/* read at least 1k bytes, no more than 4kB */
		bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE);
		buff = kzalloc(bytes, GFP_KERNEL);
		if (!buff)
			goto command_write_done;

		ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ);
		if (ret) {
			dev_info(&pf->pdev->dev,
				 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
				 ret, pf->hw.aq.asq_last_status);
			kfree(buff);
			goto command_write_done;
		}

		ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset),
				       bytes, (u8 *)buff, true, NULL);
		i40e_release_nvm(&pf->hw);
		if (ret) {
			dev_info(&pf->pdev->dev,
				 "Read NVM AQ failed err=%d status=0x%x\n",
				 ret, pf->hw.aq.asq_last_status);
		} else {
			dev_info(&pf->pdev->dev,
				 "Read NVM module=0x%x offset=0x%x words=%d\n",
				 module, offset, buffer_len);
			if (bytes)
				print_hex_dump(KERN_INFO, "NVM Dump: ",
					DUMP_PREFIX_OFFSET, 16, 2,
					buff, bytes, true);
		}
		kfree(buff);
		buff = NULL;
	} else {
		dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf);
		dev_info(&pf->pdev->dev, "available commands\n");
		dev_info(&pf->pdev->dev, "  add vsi [relay_seid]\n");
		dev_info(&pf->pdev->dev, "  del vsi [vsi_seid]\n");
		dev_info(&pf->pdev->dev, "  add relay <uplink_seid> <vsi_seid>\n");
		dev_info(&pf->pdev->dev, "  del relay <relay_seid>\n");
		dev_info(&pf->pdev->dev, "  add pvid <vsi_seid> <vid>\n");
		dev_info(&pf->pdev->dev, "  del pvid <vsi_seid>\n");
		dev_info(&pf->pdev->dev, "  dump switch\n");
		dev_info(&pf->pdev->dev, "  dump vsi [seid]\n");
		dev_info(&pf->pdev->dev, "  dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n");
		dev_info(&pf->pdev->dev, "  dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n");
		dev_info(&pf->pdev->dev, "  dump desc aq\n");
		dev_info(&pf->pdev->dev, "  dump reset stats\n");
		dev_info(&pf->pdev->dev, "  dump debug fwdata <cluster_id> <table_id> <index>\n");
		dev_info(&pf->pdev->dev, "  read <reg>\n");
		dev_info(&pf->pdev->dev, "  write <reg> <value>\n");
		dev_info(&pf->pdev->dev, "  clear_stats vsi [seid]\n");
		dev_info(&pf->pdev->dev, "  clear_stats port\n");
		dev_info(&pf->pdev->dev, "  pfr\n");
		dev_info(&pf->pdev->dev, "  corer\n");
		dev_info(&pf->pdev->dev, "  globr\n");
		dev_info(&pf->pdev->dev, "  send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n");
		dev_info(&pf->pdev->dev, "  send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n");
		dev_info(&pf->pdev->dev, "  fd current cnt");
		dev_info(&pf->pdev->dev, "  lldp start\n");
		dev_info(&pf->pdev->dev, "  lldp stop\n");
		dev_info(&pf->pdev->dev, "  lldp get local\n");
		dev_info(&pf->pdev->dev, "  lldp get remote\n");
		dev_info(&pf->pdev->dev, "  lldp event on\n");
		dev_info(&pf->pdev->dev, "  lldp event off\n");
		dev_info(&pf->pdev->dev, "  nvm read [module] [word_offset] [word_count]\n");
	}

command_write_done:
	kfree(cmd_buf);
	cmd_buf = NULL;
	return count;
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 4407 78.07% 8 25.00%
Anjali Singhai Jain 860 15.23% 6 18.75%
Neerav Parikh 210 3.72% 4 12.50%
Shannon Nelson 129 2.29% 8 25.00%
Alan Brady 24 0.43% 1 3.12%
Alexey Khoroshilov 7 0.12% 1 3.12%
Jacob E Keller 4 0.07% 1 3.12%
Rasmus Villemoes 2 0.04% 1 3.12%
Mitch A Williams 1 0.02% 1 3.12%
Toralf Förster 1 0.02% 1 3.12%
Total 5645 100.00% 32 100.00%


static const struct file_operations i40e_dbg_command_fops = {
	.owner = THIS_MODULE,
	.open =  simple_open,
	.read =  i40e_dbg_command_read,
	.write = i40e_dbg_command_write,
};

/**************************************************************
 * netdev_ops
 * The netdev_ops entry in debugfs is for giving the driver commands
 * to be executed from the netdev operations.
 **************************************************************/

static char i40e_dbg_netdev_ops_buf[256] = "";

/**
 * i40e_dbg_netdev_ops - read for netdev_ops datum
 * @filp: the opened file
 * @buffer: where to write the data for the user to read
 * @count: the size of the user's buffer
 * @ppos: file position offset
 **/


static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
					size_t count, loff_t *ppos)
{
	struct i40e_pf *pf = filp->private_data;
	int bytes_not_copied;
	int buf_size = 256;
	char *buf;
	int len;

	/* don't allow partal reads */
	if (*ppos != 0)
		return 0;
	if (count < buf_size)
		return -ENOSPC;

	buf = kzalloc(buf_size, GFP_KERNEL);
	if (!buf)
		return -ENOSPC;

	len = snprintf(buf, buf_size, "%s: %s\n",
		       pf->vsi[pf->lan_vsi]->netdev->name,
		       i40e_dbg_netdev_ops_buf);

	bytes_not_copied = copy_to_user(buffer, buf, len);
	kfree(buf);

	if (bytes_not_copied)
		return -EFAULT;

	*ppos = len;
	return len;
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 142 98.61% 1 50.00%
Rasmus Villemoes 2 1.39% 1 50.00%
Total 144 100.00% 2 100.00%

/**
 * i40e_dbg_netdev_ops_write - write into netdev_ops datum
 * @filp: the opened file
 * @buffer: where to find the user's data
 * @count: the length of the user's data
 * @ppos: file position offset
 **/


static ssize_t i40e_dbg_netdev_ops_write(struct file *filp,
					 const char __user *buffer,
					 size_t count, loff_t *ppos)
{
	struct i40e_pf *pf = filp->private_data;
	int bytes_not_copied;
	struct i40e_vsi *vsi;
	char *buf_tmp;
	int vsi_seid;
	int i, cnt;

	/* don't allow partial writes */
	if (*ppos != 0)
		return 0;
	if (count >= sizeof(i40e_dbg_netdev_ops_buf))
		return -ENOSPC;

	memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf));
	bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf,
					  buffer, count);
	if (bytes_not_copied)
		return -EFAULT;
	i40e_dbg_netdev_ops_buf[count] = '\0';

	buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n');
	if (buf_tmp) {
		*buf_tmp = '\0';
		count = buf_tmp - i40e_dbg_netdev_ops_buf + 1;
	}

	if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) {
		cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
		if (cnt != 1) {
			dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n");
			goto netdev_ops_write_done;
		}
		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
		if (!vsi) {
			dev_info(&pf->pdev->dev,
				 "tx_timeout: VSI %d not found\n", vsi_seid);
		} else if (!vsi->netdev) {
			dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n",
				 vsi_seid);
		} else if (test_bit(__I40E_DOWN, &vsi->state)) {
			dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n",
				 vsi_seid);
		} else if (rtnl_trylock()) {
			vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev);
			rtnl_unlock();
			dev_info(&pf->pdev->dev, "tx_timeout called\n");
		} else {
			dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
		}
	} else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) {
		int mtu;

		cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i",
			     &vsi_seid, &mtu);
		if (cnt != 2) {
			dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n");
			goto netdev_ops_write_done;
		}
		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
		if (!vsi) {
			dev_info(&pf->pdev->dev,
				 "change_mtu: VSI %d not found\n", vsi_seid);
		} else if (!vsi->netdev) {
			dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n",
				 vsi_seid);
		} else if (rtnl_trylock()) {
			vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev,
								mtu);
			rtnl_unlock();
			dev_info(&pf->pdev->dev, "change_mtu called\n");
		} else {
			dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
		}

	} else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) {
		cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid);
		if (cnt != 1) {
			dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n");
			goto netdev_ops_write_done;
		}
		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
		if (!vsi) {
			dev_info(&pf->pdev->dev,
				 "set_rx_mode: VSI %d not found\n", vsi_seid);
		} else if (!vsi->netdev) {
			dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n",
				 vsi_seid);
		} else if (rtnl_trylock()) {
			vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev);
			rtnl_unlock();
			dev_info(&pf->pdev->dev, "set_rx_mode called\n");
		} else {
			dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n");
		}

	} else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) {
		cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid);
		if (cnt != 1) {
			dev_info(&pf->pdev->dev, "napi <vsi_seid>\n");
			goto netdev_ops_write_done;
		}
		vsi = i40e_dbg_find_vsi(pf, vsi_seid);
		if (!vsi) {
			dev_info(&pf->pdev->dev, "napi: VSI %d not found\n",
				 vsi_seid);
		} else if (!vsi->netdev) {
			dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n",
				 vsi_seid);
		} else {
			for (i = 0; i < vsi->num_q_vectors; i++)
				napi_schedule(&vsi->q_vectors[i]->napi);
			dev_info(&pf->pdev->dev, "napi called\n");
		}
	} else {
		dev_info(&pf->pdev->dev, "unknown command '%s'\n",
			 i40e_dbg_netdev_ops_buf);
		dev_info(&pf->pdev->dev, "available commands\n");
		dev_info(&pf->pdev->dev, "  tx_timeout <vsi_seid>\n");
		dev_info(&pf->pdev->dev, "  change_mtu <vsi_seid> <mtu>\n");
		dev_info(&pf->pdev->dev, "  set_rx_mode <vsi_seid>\n");
		dev_info(&pf->pdev->dev, "  napi <vsi_seid>\n");
	}
netdev_ops_write_done:
	return count;
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 759 84.99% 2 40.00%
Shannon Nelson 131 14.67% 1 20.00%
Rasmus Villemoes 2 0.22% 1 20.00%
Alexander Duyck 1 0.11% 1 20.00%
Total 893 100.00% 5 100.00%


static const struct file_operations i40e_dbg_netdev_ops_fops = {
	.owner = THIS_MODULE,
	.open = simple_open,
	.read = i40e_dbg_netdev_ops_read,
	.write = i40e_dbg_netdev_ops_write,
};

/**
 * i40e_dbg_pf_init - setup the debugfs directory for the PF
 * @pf: the PF that is starting up
 **/


void i40e_dbg_pf_init(struct i40e_pf *pf)
{
	struct dentry *pfile;
	const char *name = pci_name(pf->pdev);
	const struct device *dev = &pf->pdev->dev;

	pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
	if (!pf->i40e_dbg_pf)
		return;

	pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
				    &i40e_dbg_command_fops);
	if (!pfile)
		goto create_failed;

	pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
				    &i40e_dbg_netdev_ops_fops);
	if (!pfile)
		goto create_failed;

	return;

create_failed:
	dev_info(dev, "debugfs dir/file for %s failed\n", name);
	debugfs_remove_recursive(pf->i40e_dbg_pf);
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 130 100.00% 2 100.00%
Total 130 100.00% 2 100.00%

/**
 * i40e_dbg_pf_exit - clear out the PF's debugfs entries
 * @pf: the PF that is stopping
 **/


void i40e_dbg_pf_exit(struct i40e_pf *pf)
{
	debugfs_remove_recursive(pf->i40e_dbg_pf);
	pf->i40e_dbg_pf = NULL;
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 23 100.00% 1 100.00%
Total 23 100.00% 1 100.00%

/**
 * i40e_dbg_init - start up debugfs for the driver
 **/


void i40e_dbg_init(void)
{
	i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL);
	if (!i40e_dbg_root)
		pr_info("init of debugfs failed\n");
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 26 100.00% 1 100.00%
Total 26 100.00% 1 100.00%

/**
 * i40e_dbg_exit - clean out the driver's debugfs entries
 **/


void i40e_dbg_exit(void)
{
	debugfs_remove_recursive(i40e_dbg_root);
	i40e_dbg_root = NULL;
}

Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 16 100.00% 1 100.00%
Total 16 100.00% 1 100.00%

#endif /* CONFIG_DEBUG_FS */
Overall Contributors
Person Tokens Prop Commits CommitProp
Jesse Brandeburg 9267 81.60% 13 20.63%
Anjali Singhai Jain 860 7.57% 6 9.52%
Shannon Nelson 569 5.01% 16 25.40%
Neerav Parikh 221 1.95% 5 7.94%
Vasu Dev 111 0.98% 1 1.59%
Mitch A Williams 92 0.81% 5 7.94%
Alexander Duyck 91 0.80% 4 6.35%
Kan Liang 51 0.45% 1 1.59%
Joe Perches 33 0.29% 2 3.17%
Alan Brady 24 0.21% 1 1.59%
Jacob E Keller 14 0.12% 4 6.35%
Rasmus Villemoes 8 0.07% 1 1.59%
Alexey Khoroshilov 7 0.06% 1 1.59%
Jeff Kirsher 5 0.04% 1 1.59%
Greg Rose 2 0.02% 1 1.59%
Toralf Förster 1 0.01% 1 1.59%
Total 11356 100.00% 63 100.00%
Directory: drivers/net/ethernet/intel/i40e

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.
Person	Tokens	Prop	Commits	CommitProp
Jesse Brandeburg	87	98.86%	1	50.00%
Mitch A Williams	1	1.14%	1	50.00%
Total	88	100.00%	2	100.00%
cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/ethernet/intel/i40e/i40e_debugfs.c

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