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linux/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
Anjali Singhai Jain 10dc0358e8 i40e: fix a bug in debugfs with add/del macaddr 
The new code flow requires us to grab the filter list lock before
adding/deleting the filter.

Change-ID: I4eaef508ab4da2d1b2e23f20f2a78d931d5b6aeb
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2015-10-23 04:22:49 -07:00

2259 lines
70 KiB
C
Raw Blame History

/*******************************************************************************
*
* Intel Ethernet Controller XL710 Family Linux Driver
* Copyright(c) 2013 - 2014 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;
}
/**
* 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;
if ((seid < I40E_BASE_VEB_SEID) ||
(seid > (I40E_BASE_VEB_SEID + I40E_MAX_VEB)))
dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
else
for (i = 0; i < I40E_MAX_VEB; i++)
if (pf->veb[i] && pf->veb[i]->seid == seid)
return pf->veb[i];
return NULL;
}
/**************************************************************
* dump
* The dump entry in debugfs is for getting a data snapshow of
* the driver's current configuration and runtime details.
* When the filesystem entry is written, a snapshot is taken.
* When the entry is read, the most recent snapshot data is dumped.
**************************************************************/
static char *i40e_dbg_dump_buf;
static ssize_t i40e_dbg_dump_data_len;
static ssize_t i40e_dbg_dump_buffer_len;
/**
* i40e_dbg_dump_read - read the dump data
* @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_dump_read(struct file *filp, char __user *buffer,
size_t count, loff_t *ppos)
{
int bytes_not_copied;
int len;
/* is *ppos bigger than the available data? */
if (*ppos >= i40e_dbg_dump_data_len || !i40e_dbg_dump_buf)
return 0;
/* be sure to not read beyond the end of available data */
len = min_t(int, count, (i40e_dbg_dump_data_len - *ppos));
bytes_not_copied = copy_to_user(buffer, &i40e_dbg_dump_buf[*ppos], len);
if (bytes_not_copied < 0)
return bytes_not_copied;
*ppos += len;
return len;
}
/**
* i40e_dbg_prep_dump_buf
* @pf: the PF we're working with
* @buflen: the desired buffer length
*
* Return positive if success, 0 if failed
**/
static int i40e_dbg_prep_dump_buf(struct i40e_pf *pf, int buflen)
{
/* if not already big enough, prep for re alloc */
if (i40e_dbg_dump_buffer_len && i40e_dbg_dump_buffer_len < buflen) {
kfree(i40e_dbg_dump_buf);
i40e_dbg_dump_buffer_len = 0;
i40e_dbg_dump_buf = NULL;
}
/* get a new buffer if needed */
if (!i40e_dbg_dump_buf) {
i40e_dbg_dump_buf = kzalloc(buflen, GFP_KERNEL);
if (i40e_dbg_dump_buf != NULL)
i40e_dbg_dump_buffer_len = buflen;
}
return i40e_dbg_dump_buffer_len;
}
/**
* i40e_dbg_dump_write - trigger a datadump snapshot
* @filp: the opened file
* @buffer: where to find the user's data
* @count: the length of the user's data
* @ppos: file position offset
*
* Any write clears the stats
**/
static ssize_t i40e_dbg_dump_write(struct file *filp,
const char __user *buffer,
size_t count, loff_t *ppos)
{
struct i40e_pf *pf = filp->private_data;
bool seid_found = false;
long seid = -1;
int buflen = 0;
int i, ret;
int len;
u8 *p;
/* don't allow partial writes */
if (*ppos != 0)
return 0;
/* decode the SEID given to be dumped */
ret = kstrtol_from_user(buffer, count, 0, &seid);
if (ret) {
dev_info(&pf->pdev->dev, "bad seid value\n");
} else if (seid == 0) {
seid_found = true;
kfree(i40e_dbg_dump_buf);
i40e_dbg_dump_buffer_len = 0;
i40e_dbg_dump_data_len = 0;
i40e_dbg_dump_buf = NULL;
dev_info(&pf->pdev->dev, "debug buffer freed\n");
} else if (seid == pf->pf_seid || seid == 1) {
seid_found = true;
buflen = sizeof(struct i40e_pf);
buflen += (sizeof(struct i40e_aq_desc)
* (pf->hw.aq.num_arq_entries + pf->hw.aq.num_asq_entries));
if (i40e_dbg_prep_dump_buf(pf, buflen)) {
p = i40e_dbg_dump_buf;
len = sizeof(struct i40e_pf);
memcpy(p, pf, len);
p += len;
len = (sizeof(struct i40e_aq_desc)
* pf->hw.aq.num_asq_entries);
memcpy(p, pf->hw.aq.asq.desc_buf.va, len);
p += len;
len = (sizeof(struct i40e_aq_desc)
* pf->hw.aq.num_arq_entries);
memcpy(p, pf->hw.aq.arq.desc_buf.va, len);
p += len;
i40e_dbg_dump_data_len = buflen;
dev_info(&pf->pdev->dev,
"PF seid %ld dumped %d bytes\n",
seid, (int)i40e_dbg_dump_data_len);
}
} else if (seid >= I40E_BASE_VSI_SEID) {
struct i40e_vsi *vsi = NULL;
struct i40e_mac_filter *f;
int filter_count = 0;
mutex_lock(&pf->switch_mutex);
vsi = i40e_dbg_find_vsi(pf, seid);
if (!vsi) {
mutex_unlock(&pf->switch_mutex);
goto write_exit;
}
buflen = sizeof(struct i40e_vsi);
buflen += sizeof(struct i40e_q_vector) * vsi->num_q_vectors;
buflen += sizeof(struct i40e_ring) * 2 * vsi->num_queue_pairs;
buflen += sizeof(struct i40e_tx_buffer) * vsi->num_queue_pairs;
buflen += sizeof(struct i40e_rx_buffer) * vsi->num_queue_pairs;
list_for_each_entry(f, &vsi->mac_filter_list, list)
filter_count++;
buflen += sizeof(struct i40e_mac_filter) * filter_count;
if (i40e_dbg_prep_dump_buf(pf, buflen)) {
p = i40e_dbg_dump_buf;
seid_found = true;
len = sizeof(struct i40e_vsi);
memcpy(p, vsi, len);
p += len;
if (vsi->num_q_vectors) {
len = (sizeof(struct i40e_q_vector)
* vsi->num_q_vectors);
memcpy(p, vsi->q_vectors, len);
p += len;
}
if (vsi->num_queue_pairs) {
len = (sizeof(struct i40e_ring) *
vsi->num_queue_pairs);
memcpy(p, vsi->tx_rings, len);
p += len;
memcpy(p, vsi->rx_rings, len);
p += len;
}
if (vsi->tx_rings[0]) {
len = sizeof(struct i40e_tx_buffer);
for (i = 0; i < vsi->num_queue_pairs; i++) {
memcpy(p, vsi->tx_rings[i]->tx_bi, len);
p += len;
}
len = sizeof(struct i40e_rx_buffer);
for (i = 0; i < vsi->num_queue_pairs; i++) {
memcpy(p, vsi->rx_rings[i]->rx_bi, len);
p += len;
}
}
/* macvlan filter list */
len = sizeof(struct i40e_mac_filter);
list_for_each_entry(f, &vsi->mac_filter_list, list) {
memcpy(p, f, len);
p += len;
}
i40e_dbg_dump_data_len = buflen;
dev_info(&pf->pdev->dev,
"VSI seid %ld dumped %d bytes\n",
seid, (int)i40e_dbg_dump_data_len);
}
mutex_unlock(&pf->switch_mutex);
} else if (seid >= I40E_BASE_VEB_SEID) {
struct i40e_veb *veb = NULL;
mutex_lock(&pf->switch_mutex);
veb = i40e_dbg_find_veb(pf, seid);
if (!veb) {
mutex_unlock(&pf->switch_mutex);
goto write_exit;
}
buflen = sizeof(struct i40e_veb);
if (i40e_dbg_prep_dump_buf(pf, buflen)) {
seid_found = true;
memcpy(i40e_dbg_dump_buf, veb, buflen);
i40e_dbg_dump_data_len = buflen;
dev_info(&pf->pdev->dev,
"VEB seid %ld dumped %d bytes\n",
seid, (int)i40e_dbg_dump_data_len);
}
mutex_unlock(&pf->switch_mutex);
}
write_exit:
if (!seid_found)
dev_info(&pf->pdev->dev, "unknown seid %ld\n", seid);
return count;
}
static const struct file_operations i40e_dbg_dump_fops = {
.owner = THIS_MODULE,
.open = simple_open,
.read = i40e_dbg_dump_read,
.write = i40e_dbg_dump_write,
};
/**************************************************************
* 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 < 0)
return bytes_not_copied;
*ppos = len;
return len;
}
/**
* 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;
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)
dev_info(&pf->pdev->dev,
" netdev: name = %s\n",
vsi->netdev->name);
if (vsi->active_vlans)
dev_info(&pf->pdev->dev,
" vlgrp: & = %p\n", vsi->active_vlans);
dev_info(&pf->pdev->dev,
" netdev_registered = %i, current_netdev_flags = 0x%04x, state = %li flags = 0x%08lx\n",
vsi->netdev_registered,
vsi->current_netdev_flags, vsi->state, vsi->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);
list_for_each_entry(f, &vsi->mac_filter_list, list) {
dev_info(&pf->pdev->dev,
" mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n",
f->macaddr, f->vlan, f->is_netdev, f->is_vf,
f->counter);
}
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_hdr_len = %d, rx_buf_len = %d, dtype = %d\n",
i, rx_ring->rx_hdr_len,
rx_ring->rx_buf_len,
rx_ring->dtype);
dev_info(&pf->pdev->dev,
" rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
i, rx_ring->hsplit,
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]: 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);
}
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]: dtype = %d\n",
i, tx_ring->dtype);
dev_info(&pf->pdev->dev,
" tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n",
i, tx_ring->hsplit,
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);
}
rcu_read_unlock();
dev_info(&pf->pdev->dev,
" work_limit = %d, rx_itr_setting = %d (%s), tx_itr_setting = %d (%s)\n",
vsi->work_limit, vsi->rx_itr_setting,
ITR_IS_DYNAMIC(vsi->rx_itr_setting) ? "dynamic" : "fixed",
vsi->tx_itr_setting,
ITR_IS_DYNAMIC(vsi->tx_itr_setting) ? "dynamic" : "fixed");
dev_info(&pf->pdev->dev,
" max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n",
vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype);
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
}
/**
* 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);
}
}
/**
* 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[%03i] = 0x%016llx 0x%016llx\n",
i, txd->buffer_addr,
txd->cmd_type_offset_bsz);
} else if (sizeof(union i40e_rx_desc) ==
sizeof(union i40e_16byte_rx_desc)) {
rxd = I40E_RX_DESC(ring, i);
dev_info(&pf->pdev->dev,
" d[%03i] = 0x%016llx 0x%016llx\n",
i, rxd->read.pkt_addr,
rxd->read.hdr_addr);
} else {
rxd = I40E_RX_DESC(ring, i);
dev_info(&pf->pdev->dev,
" d[%03i] = 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[%03i] = 0x%016llx 0x%016llx\n",
vsi_seid, ring_id, desc_n,
txd->buffer_addr, txd->cmd_type_offset_bsz);
} else if (sizeof(union i40e_rx_desc) ==
sizeof(union i40e_16byte_rx_desc)) {
rxd = I40E_RX_DESC(ring, desc_n);
dev_info(&pf->pdev->dev,
"vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n",
vsi_seid, ring_id, desc_n,
rxd->read.pkt_addr, rxd->read.hdr_addr);
} else {
rxd = I40E_RX_DESC(ring, desc_n);
dev_info(&pf->pdev->dev,
"vsi = %02i rx ring = %02i d[%03i] = 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);
}
/**
* 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);
}
/**
* 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);
}
/**
* 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;
if ((seid < I40E_BASE_VEB_SEID) ||
(seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) {
dev_info(&pf->pdev->dev, "%d: bad seid\n", seid);
return;
}
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);
}
/**
* 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);
}
}
#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 < 0) {
kfree(cmd_buf);
return bytes_not_copied;
}
if (bytes_not_copied > 0)
count -= bytes_not_copied;
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 macaddr", 11) == 0) {
struct i40e_mac_filter *f;
int vlan = 0;
u8 ma[6];
int ret;
cnt = sscanf(&cmd_buf[11],
"%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
&vsi_seid,
&ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
&vlan);
if (cnt == 7) {
vlan = 0;
} else if (cnt != 8) {
dev_info(&pf->pdev->dev,
"add macaddr: 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 macaddr: VSI %d not found\n", vsi_seid);
goto command_write_done;
}
spin_lock_bh(&vsi->mac_filter_list_lock);
f = i40e_add_filter(vsi, ma, vlan, false, false);
spin_unlock_bh(&vsi->mac_filter_list_lock);
ret = i40e_sync_vsi_filters(vsi, true);
if (f && !ret)
dev_info(&pf->pdev->dev,
"add macaddr: %pM vlan=%d added to VSI %d\n",
ma, vlan, vsi_seid);
else
dev_info(&pf->pdev->dev,
"add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n",
ma, vlan, vsi_seid, f, ret);
} else if (strncmp(cmd_buf, "del macaddr", 11) == 0) {
int vlan = 0;
u8 ma[6];
int ret;
cnt = sscanf(&cmd_buf[11],
"%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i",
&vsi_seid,
&ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5],
&vlan);
if (cnt == 7) {
vlan = 0;
} else if (cnt != 8) {
dev_info(&pf->pdev->dev,
"del macaddr: 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 macaddr: VSI %d not found\n", vsi_seid);
goto command_write_done;
}
spin_lock_bh(&vsi->mac_filter_list_lock);
i40e_del_filter(vsi, ma, vlan, false, false);
spin_unlock_bh(&vsi->mac_filter_list_lock);
ret = i40e_sync_vsi_filters(vsi, true);
if (!ret)
dev_info(&pf->pdev->dev,
"del macaddr: %pM vlan=%d removed from VSI %d\n",
ma, vlan, vsi_seid);
else
dev_info(&pf->pdev->dev,
"del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n",
ma, vlan, vsi_seid, ret);
} 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;
bw_data = kzalloc(sizeof(
struct i40e_aqc_query_port_ets_config_resp),
GFP_KERNEL);
if (!bw_data) {
ret = -ENOMEM;
goto command_write_done;
}
ret = i40e_aq_query_port_ets_config(&pf->hw,
pf->mac_seid,
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, "msg_enable", 10) == 0) {
u32 level;
cnt = sscanf(&cmd_buf[10], "%i", &level);
if (cnt) {
if (I40E_DEBUG_USER & level) {
pf->hw.debug_mask = level;
dev_info(&pf->pdev->dev,
"set hw.debug_mask = 0x%08x\n",
pf->hw.debug_mask);
}
pf->msg_enable = level;
dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n",
pf->msg_enable);
} else {
dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n",
pf->msg_enable);
}
} 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, "add fd_filter", 13) == 0) ||
(strncmp(cmd_buf, "rem fd_filter", 13) == 0)) {
struct i40e_fdir_filter fd_data;
u16 packet_len, i, j = 0;
char *asc_packet;
u8 *raw_packet;
bool add = false;
int ret;
if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
goto command_write_done;
if (strncmp(cmd_buf, "add", 3) == 0)
add = true;
if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED))
goto command_write_done;
asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
GFP_KERNEL);
if (!asc_packet)
goto command_write_done;
raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE,
GFP_KERNEL);
if (!raw_packet) {
kfree(asc_packet);
asc_packet = NULL;
goto command_write_done;
}
cnt = sscanf(&cmd_buf[13],
"%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s",
&fd_data.q_index,
&fd_data.flex_off, &fd_data.pctype,
&fd_data.dest_vsi, &fd_data.dest_ctl,
&fd_data.fd_status, &fd_data.cnt_index,
&fd_data.fd_id, &packet_len, asc_packet);
if (cnt != 10) {
dev_info(&pf->pdev->dev,
"program fd_filter: bad command string, cnt=%d\n",
cnt);
kfree(asc_packet);
asc_packet = NULL;
kfree(raw_packet);
goto command_write_done;
}
/* fix packet length if user entered 0 */
if (packet_len == 0)
packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE;
/* make sure to check the max as well */
packet_len = min_t(u16,
packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE);
for (i = 0; i < packet_len; i++) {
cnt = sscanf(&asc_packet[j], "%2hhx ", &raw_packet[i]);
if (!cnt)
break;
j += 3;
}
dev_info(&pf->pdev->dev, "FD raw packet dump\n");
print_hex_dump(KERN_INFO, "FD raw packet: ",
DUMP_PREFIX_OFFSET, 16, 1,
raw_packet, packet_len, true);
ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add);
if (!ret) {
dev_info(&pf->pdev->dev, "Filter command send Status : Success\n");
} else {
dev_info(&pf->pdev->dev,
"Filter command send failed %d\n", ret);
}
kfree(raw_packet);
raw_packet = NULL;
kfree(asc_packet);
asc_packet = 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 macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n");
dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\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, " msg_enable [level]\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, " add fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n");
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");
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;
}
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 < 0)
return bytes_not_copied;
*ppos = len;
return len;
}
/**
* 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 < 0)
return bytes_not_copied;
else if (bytes_not_copied > 0)
count -= bytes_not_copied;
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;
}
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("dump", 0600, pf->i40e_dbg_pf, pf,
&i40e_dbg_dump_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);
}
/**
* 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;
kfree(i40e_dbg_dump_buf);
i40e_dbg_dump_buf = NULL;
}
/**
* 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");
}
/**
* 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;
}
#endif /* CONFIG_DEBUG_FS */
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