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linux/net/mac80211/debugfs.c
Johannes Berg 963d0e8d08 wifi: mac80211: optionally implement MLO multicast TX 
For drivers using software encryption for multicast TX, such
as mac80211_hwsim, mac80211 needs to duplicate the multicast
frames on each link, if MLO is enabled. Do this, but don't
just make it dependent on the key but provide a separate flag
for drivers to opt out of this.

This is not very efficient, I expect that drivers will do it
in firmware/hardware or at least with DMA engine assistence,
so this is mostly for hwsim.

To make this work, also implement the SNS11 sequence number
space that an AP MLD shall have, and modify the API to the
__ieee80211_subif_start_xmit() function to always require the
link ID bits to be set.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-07-22 14:28:36 +02:00

712 lines
18 KiB
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// SPDX-License-Identifier: GPL-2.0-only
/*
* mac80211 debugfs for wireless PHYs
*
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2018 - 2019, 2021-2022 Intel Corporation
*/
#include <linux/debugfs.h>
#include <linux/rtnetlink.h>
#include <linux/vmalloc.h>
#include "ieee80211_i.h"
#include "driver-ops.h"
#include "rate.h"
#include "debugfs.h"
#define DEBUGFS_FORMAT_BUFFER_SIZE 100
int mac80211_format_buffer(char __user *userbuf, size_t count,
loff_t *ppos, char *fmt, ...)
{
va_list args;
char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
int res;
va_start(args, fmt);
res = vscnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}
#define DEBUGFS_READONLY_FILE_FN(name, fmt, value...) \
static ssize_t name## _read(struct file *file, char __user *userbuf, \
size_t count, loff_t *ppos) \
{ \
struct ieee80211_local *local = file->private_data; \
\
return mac80211_format_buffer(userbuf, count, ppos, \
fmt "\n", ##value); \
}
#define DEBUGFS_READONLY_FILE_OPS(name) \
static const struct file_operations name## _ops = { \
.read = name## _read, \
.open = simple_open, \
.llseek = generic_file_llseek, \
};
#define DEBUGFS_READONLY_FILE(name, fmt, value...) \
DEBUGFS_READONLY_FILE_FN(name, fmt, value) \
DEBUGFS_READONLY_FILE_OPS(name)
#define DEBUGFS_ADD(name) \
debugfs_create_file(#name, 0400, phyd, local, &name## _ops)
#define DEBUGFS_ADD_MODE(name, mode) \
debugfs_create_file(#name, mode, phyd, local, &name## _ops);
DEBUGFS_READONLY_FILE(hw_conf, "%x",
local->hw.conf.flags);
DEBUGFS_READONLY_FILE(user_power, "%d",
local->user_power_level);
DEBUGFS_READONLY_FILE(power, "%d",
local->hw.conf.power_level);
DEBUGFS_READONLY_FILE(total_ps_buffered, "%d",
local->total_ps_buffered);
DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
local->wep_iv & 0xffffff);
DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s",
local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");
static ssize_t aqm_read(struct file *file,
char __user *user_buf,
size_t count,
loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
struct fq *fq = &local->fq;
char buf[200];
int len = 0;
spin_lock_bh(&local->fq.lock);
rcu_read_lock();
len = scnprintf(buf, sizeof(buf),
"access name value\n"
"R fq_flows_cnt %u\n"
"R fq_backlog %u\n"
"R fq_overlimit %u\n"
"R fq_overmemory %u\n"
"R fq_collisions %u\n"
"R fq_memory_usage %u\n"
"RW fq_memory_limit %u\n"
"RW fq_limit %u\n"
"RW fq_quantum %u\n",
fq->flows_cnt,
fq->backlog,
fq->overmemory,
fq->overlimit,
fq->collisions,
fq->memory_usage,
fq->memory_limit,
fq->limit,
fq->quantum);
rcu_read_unlock();
spin_unlock_bh(&local->fq.lock);
return simple_read_from_buffer(user_buf, count, ppos,
buf, len);
}
static ssize_t aqm_write(struct file *file,
const char __user *user_buf,
size_t count,
loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
char buf[100];
if (count >= sizeof(buf))
return -EINVAL;
if (copy_from_user(buf, user_buf, count))
return -EFAULT;
if (count && buf[count - 1] == '\n')
buf[count - 1] = '\0';
else
buf[count] = '\0';
if (sscanf(buf, "fq_limit %u", &local->fq.limit) == 1)
return count;
else if (sscanf(buf, "fq_memory_limit %u", &local->fq.memory_limit) == 1)
return count;
else if (sscanf(buf, "fq_quantum %u", &local->fq.quantum) == 1)
return count;
return -EINVAL;
}
static const struct file_operations aqm_ops = {
.write = aqm_write,
.read = aqm_read,
.open = simple_open,
.llseek = default_llseek,
};
static ssize_t airtime_flags_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
char buf[128] = {}, *pos, *end;
pos = buf;
end = pos + sizeof(buf) - 1;
if (local->airtime_flags & AIRTIME_USE_TX)
pos += scnprintf(pos, end - pos, "AIRTIME_TX\t(%lx)\n",
AIRTIME_USE_TX);
if (local->airtime_flags & AIRTIME_USE_RX)
pos += scnprintf(pos, end - pos, "AIRTIME_RX\t(%lx)\n",
AIRTIME_USE_RX);
return simple_read_from_buffer(user_buf, count, ppos, buf,
strlen(buf));
}
static ssize_t airtime_flags_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
char buf[16];
if (count >= sizeof(buf))
return -EINVAL;
if (copy_from_user(buf, user_buf, count))
return -EFAULT;
if (count && buf[count - 1] == '\n')
buf[count - 1] = '\0';
else
buf[count] = '\0';
if (kstrtou16(buf, 0, &local->airtime_flags))
return -EINVAL;
return count;
}
static const struct file_operations airtime_flags_ops = {
.write = airtime_flags_write,
.read = airtime_flags_read,
.open = simple_open,
.llseek = default_llseek,
};
static ssize_t aql_pending_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
char buf[400];
int len = 0;
len = scnprintf(buf, sizeof(buf),
"AC AQL pending\n"
"VO %u us\n"
"VI %u us\n"
"BE %u us\n"
"BK %u us\n"
"total %u us\n",
atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_VO]),
atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_VI]),
atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_BE]),
atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_BK]),
atomic_read(&local->aql_total_pending_airtime));
return simple_read_from_buffer(user_buf, count, ppos,
buf, len);
}
static const struct file_operations aql_pending_ops = {
.read = aql_pending_read,
.open = simple_open,
.llseek = default_llseek,
};
static ssize_t aql_txq_limit_read(struct file *file,
char __user *user_buf,
size_t count,
loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
char buf[400];
int len = 0;
len = scnprintf(buf, sizeof(buf),
"AC AQL limit low AQL limit high\n"
"VO %u %u\n"
"VI %u %u\n"
"BE %u %u\n"
"BK %u %u\n",
local->aql_txq_limit_low[IEEE80211_AC_VO],
local->aql_txq_limit_high[IEEE80211_AC_VO],
local->aql_txq_limit_low[IEEE80211_AC_VI],
local->aql_txq_limit_high[IEEE80211_AC_VI],
local->aql_txq_limit_low[IEEE80211_AC_BE],
local->aql_txq_limit_high[IEEE80211_AC_BE],
local->aql_txq_limit_low[IEEE80211_AC_BK],
local->aql_txq_limit_high[IEEE80211_AC_BK]);
return simple_read_from_buffer(user_buf, count, ppos,
buf, len);
}
static ssize_t aql_txq_limit_write(struct file *file,
const char __user *user_buf,
size_t count,
loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
char buf[100];
u32 ac, q_limit_low, q_limit_high, q_limit_low_old, q_limit_high_old;
struct sta_info *sta;
if (count >= sizeof(buf))
return -EINVAL;
if (copy_from_user(buf, user_buf, count))
return -EFAULT;
if (count && buf[count - 1] == '\n')
buf[count - 1] = '\0';
else
buf[count] = '\0';
if (sscanf(buf, "%u %u %u", &ac, &q_limit_low, &q_limit_high) != 3)
return -EINVAL;
if (ac >= IEEE80211_NUM_ACS)
return -EINVAL;
q_limit_low_old = local->aql_txq_limit_low[ac];
q_limit_high_old = local->aql_txq_limit_high[ac];
local->aql_txq_limit_low[ac] = q_limit_low;
local->aql_txq_limit_high[ac] = q_limit_high;
mutex_lock(&local->sta_mtx);
list_for_each_entry(sta, &local->sta_list, list) {
/* If a sta has customized queue limits, keep it */
if (sta->airtime[ac].aql_limit_low == q_limit_low_old &&
sta->airtime[ac].aql_limit_high == q_limit_high_old) {
sta->airtime[ac].aql_limit_low = q_limit_low;
sta->airtime[ac].aql_limit_high = q_limit_high;
}
}
mutex_unlock(&local->sta_mtx);
return count;
}
static const struct file_operations aql_txq_limit_ops = {
.write = aql_txq_limit_write,
.read = aql_txq_limit_read,
.open = simple_open,
.llseek = default_llseek,
};
static ssize_t aql_enable_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
char buf[3];
int len;
len = scnprintf(buf, sizeof(buf), "%d\n",
!static_key_false(&aql_disable.key));
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t aql_enable_write(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
bool aql_disabled = static_key_false(&aql_disable.key);
char buf[3];
size_t len;
if (count > sizeof(buf))
return -EINVAL;
if (copy_from_user(buf, user_buf, count))
return -EFAULT;
buf[sizeof(buf) - 1] = '\0';
len = strlen(buf);
if (len > 0 && buf[len - 1] == '\n')
buf[len - 1] = 0;
if (buf[0] == '0' && buf[1] == '\0') {
if (!aql_disabled)
static_branch_inc(&aql_disable);
} else if (buf[0] == '1' && buf[1] == '\0') {
if (aql_disabled)
static_branch_dec(&aql_disable);
} else {
return -EINVAL;
}
return count;
}
static const struct file_operations aql_enable_ops = {
.write = aql_enable_write,
.read = aql_enable_read,
.open = simple_open,
.llseek = default_llseek,
};
static ssize_t force_tx_status_read(struct file *file,
char __user *user_buf,
size_t count,
loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
char buf[3];
int len = 0;
len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status);
return simple_read_from_buffer(user_buf, count, ppos,
buf, len);
}
static ssize_t force_tx_status_write(struct file *file,
const char __user *user_buf,
size_t count,
loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
char buf[3];
if (count >= sizeof(buf))
return -EINVAL;
if (copy_from_user(buf, user_buf, count))
return -EFAULT;
if (count && buf[count - 1] == '\n')
buf[count - 1] = '\0';
else
buf[count] = '\0';
if (buf[0] == '0' && buf[1] == '\0')
local->force_tx_status = 0;
else if (buf[0] == '1' && buf[1] == '\0')
local->force_tx_status = 1;
else
return -EINVAL;
return count;
}
static const struct file_operations force_tx_status_ops = {
.write = force_tx_status_write,
.read = force_tx_status_read,
.open = simple_open,
.llseek = default_llseek,
};
#ifdef CONFIG_PM
static ssize_t reset_write(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
int ret;
rtnl_lock();
wiphy_lock(local->hw.wiphy);
__ieee80211_suspend(&local->hw, NULL);
ret = __ieee80211_resume(&local->hw);
wiphy_unlock(local->hw.wiphy);
if (ret)
cfg80211_shutdown_all_interfaces(local->hw.wiphy);
rtnl_unlock();
return count;
}
static const struct file_operations reset_ops = {
.write = reset_write,
.open = simple_open,
.llseek = noop_llseek,
};
#endif
static const char *hw_flag_names[] = {
#define FLAG(F) [IEEE80211_HW_##F] = #F
FLAG(HAS_RATE_CONTROL),
FLAG(RX_INCLUDES_FCS),
FLAG(HOST_BROADCAST_PS_BUFFERING),
FLAG(SIGNAL_UNSPEC),
FLAG(SIGNAL_DBM),
FLAG(NEED_DTIM_BEFORE_ASSOC),
FLAG(SPECTRUM_MGMT),
FLAG(AMPDU_AGGREGATION),
FLAG(SUPPORTS_PS),
FLAG(PS_NULLFUNC_STACK),
FLAG(SUPPORTS_DYNAMIC_PS),
FLAG(MFP_CAPABLE),
FLAG(WANT_MONITOR_VIF),
FLAG(NO_AUTO_VIF),
FLAG(SW_CRYPTO_CONTROL),
FLAG(SUPPORT_FAST_XMIT),
FLAG(REPORTS_TX_ACK_STATUS),
FLAG(CONNECTION_MONITOR),
FLAG(QUEUE_CONTROL),
FLAG(SUPPORTS_PER_STA_GTK),
FLAG(AP_LINK_PS),
FLAG(TX_AMPDU_SETUP_IN_HW),
FLAG(SUPPORTS_RC_TABLE),
FLAG(P2P_DEV_ADDR_FOR_INTF),
FLAG(TIMING_BEACON_ONLY),
FLAG(SUPPORTS_HT_CCK_RATES),
FLAG(CHANCTX_STA_CSA),
FLAG(SUPPORTS_CLONED_SKBS),
FLAG(SINGLE_SCAN_ON_ALL_BANDS),
FLAG(TDLS_WIDER_BW),
FLAG(SUPPORTS_AMSDU_IN_AMPDU),
FLAG(BEACON_TX_STATUS),
FLAG(NEEDS_UNIQUE_STA_ADDR),
FLAG(SUPPORTS_REORDERING_BUFFER),
FLAG(USES_RSS),
FLAG(TX_AMSDU),
FLAG(TX_FRAG_LIST),
FLAG(REPORTS_LOW_ACK),
FLAG(SUPPORTS_TX_FRAG),
FLAG(SUPPORTS_TDLS_BUFFER_STA),
FLAG(DEAUTH_NEED_MGD_TX_PREP),
FLAG(DOESNT_SUPPORT_QOS_NDP),
FLAG(BUFF_MMPDU_TXQ),
FLAG(SUPPORTS_VHT_EXT_NSS_BW),
FLAG(STA_MMPDU_TXQ),
FLAG(TX_STATUS_NO_AMPDU_LEN),
FLAG(SUPPORTS_MULTI_BSSID),
FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID),
FLAG(AMPDU_KEYBORDER_SUPPORT),
FLAG(SUPPORTS_TX_ENCAP_OFFLOAD),
FLAG(SUPPORTS_RX_DECAP_OFFLOAD),
FLAG(SUPPORTS_CONC_MON_RX_DECAP),
FLAG(DETECTS_COLOR_COLLISION),
FLAG(MLO_MCAST_MULTI_LINK_TX),
#undef FLAG
};
static ssize_t hwflags_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS;
char *buf = kzalloc(bufsz, GFP_KERNEL);
char *pos = buf, *end = buf + bufsz - 1;
ssize_t rv;
int i;
if (!buf)
return -ENOMEM;
/* fail compilation if somebody adds or removes
* a flag without updating the name array above
*/
BUILD_BUG_ON(ARRAY_SIZE(hw_flag_names) != NUM_IEEE80211_HW_FLAGS);
for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) {
if (test_bit(i, local->hw.flags))
pos += scnprintf(pos, end - pos, "%s\n",
hw_flag_names[i]);
}
rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
kfree(buf);
return rv;
}
static ssize_t misc_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
/* Max len of each line is 16 characters, plus 9 for 'pending:\n' */
size_t bufsz = IEEE80211_MAX_QUEUES * 16 + 9;
char *buf;
char *pos, *end;
ssize_t rv;
int i;
int ln;
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf)
return -ENOMEM;
pos = buf;
end = buf + bufsz - 1;
pos += scnprintf(pos, end - pos, "pending:\n");
for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
ln = skb_queue_len(&local->pending[i]);
pos += scnprintf(pos, end - pos, "[%i] %d\n",
i, ln);
}
rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
kfree(buf);
return rv;
}
static ssize_t queues_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_local *local = file->private_data;
unsigned long flags;
char buf[IEEE80211_MAX_QUEUES * 20];
int q, res = 0;
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
for (q = 0; q < local->hw.queues; q++)
res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q,
local->queue_stop_reasons[q],
skb_queue_len(&local->pending[q]));
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
return simple_read_from_buffer(user_buf, count, ppos, buf, res);
}
DEBUGFS_READONLY_FILE_OPS(hwflags);
DEBUGFS_READONLY_FILE_OPS(queues);
DEBUGFS_READONLY_FILE_OPS(misc);
/* statistics stuff */
static ssize_t format_devstat_counter(struct ieee80211_local *local,
char __user *userbuf,
size_t count, loff_t *ppos,
int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf,
int buflen))
{
struct ieee80211_low_level_stats stats;
char buf[20];
int res;
rtnl_lock();
res = drv_get_stats(local, &stats);
rtnl_unlock();
if (res)
return res;
res = printvalue(&stats, buf, sizeof(buf));
return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}
#define DEBUGFS_DEVSTATS_FILE(name) \
static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\
char *buf, int buflen) \
{ \
return scnprintf(buf, buflen, "%u\n", stats->name); \
} \
static ssize_t stats_ ##name## _read(struct file *file, \
char __user *userbuf, \
size_t count, loff_t *ppos) \
{ \
return format_devstat_counter(file->private_data, \
userbuf, \
count, \
ppos, \
print_devstats_##name); \
} \
\
static const struct file_operations stats_ ##name## _ops = { \
.read = stats_ ##name## _read, \
.open = simple_open, \
.llseek = generic_file_llseek, \
};
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
#define DEBUGFS_STATS_ADD(name) \
debugfs_create_u32(#name, 0400, statsd, &local->name);
#endif
#define DEBUGFS_DEVSTATS_ADD(name) \
debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops);
DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);
void debugfs_hw_add(struct ieee80211_local *local)
{
struct dentry *phyd = local->hw.wiphy->debugfsdir;
struct dentry *statsd;
if (!phyd)
return;
local->debugfs.keys = debugfs_create_dir("keys", phyd);
DEBUGFS_ADD(total_ps_buffered);
DEBUGFS_ADD(wep_iv);
DEBUGFS_ADD(rate_ctrl_alg);
DEBUGFS_ADD(queues);
DEBUGFS_ADD(misc);
#ifdef CONFIG_PM
DEBUGFS_ADD_MODE(reset, 0200);
#endif
DEBUGFS_ADD(hwflags);
DEBUGFS_ADD(user_power);
DEBUGFS_ADD(power);
DEBUGFS_ADD(hw_conf);
DEBUGFS_ADD_MODE(force_tx_status, 0600);
DEBUGFS_ADD_MODE(aql_enable, 0600);
DEBUGFS_ADD(aql_pending);
if (local->ops->wake_tx_queue)
DEBUGFS_ADD_MODE(aqm, 0600);
DEBUGFS_ADD_MODE(airtime_flags, 0600);
DEBUGFS_ADD(aql_txq_limit);
debugfs_create_u32("aql_threshold", 0600,
phyd, &local->aql_threshold);
statsd = debugfs_create_dir("statistics", phyd);
/* if the dir failed, don't put all the other things into the root! */
if (!statsd)
return;
#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount);
DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount);
DEBUGFS_STATS_ADD(dot11FailedCount);
DEBUGFS_STATS_ADD(dot11RetryCount);
DEBUGFS_STATS_ADD(dot11MultipleRetryCount);
DEBUGFS_STATS_ADD(dot11FrameDuplicateCount);
DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount);
DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount);
DEBUGFS_STATS_ADD(dot11TransmittedFrameCount);
DEBUGFS_STATS_ADD(tx_handlers_drop);
DEBUGFS_STATS_ADD(tx_handlers_queued);
DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
DEBUGFS_STATS_ADD(rx_handlers_drop);
DEBUGFS_STATS_ADD(rx_handlers_queued);
DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
DEBUGFS_STATS_ADD(tx_expand_skb_head);
DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag);
DEBUGFS_STATS_ADD(rx_handlers_fragments);
DEBUGFS_STATS_ADD(tx_status_drop);
#endif
DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount);
DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount);
DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount);
DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount);
}
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