#include "core.h"
#include "wmi-ops.h"
#include "txrx.h"
#include "debug.h"
static void ath10k_rx_stats_update_amsdu_subfrm(struct ath10k *ar,
struct ath10k_sta_tid_stats *stats,
u32 msdu_count)
{
if (msdu_count == 1)
stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_1]++;
else if (msdu_count == 2)
stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_2]++;
else if (msdu_count == 3)
stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_3]++;
else if (msdu_count == 4)
stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_4]++;
else if (msdu_count > 4)
stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_MORE]++;
}
static void ath10k_rx_stats_update_ampdu_subfrm(struct ath10k *ar,
struct ath10k_sta_tid_stats *stats,
u32 mpdu_count)
{
if (mpdu_count <= 10)
stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_10]++;
else if (mpdu_count <= 20)
stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_20]++;
else if (mpdu_count <= 30)
stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_30]++;
else if (mpdu_count <= 40)
stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_40]++;
else if (mpdu_count <= 50)
stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_50]++;
else if (mpdu_count <= 60)
stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_60]++;
else if (mpdu_count > 60)
stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_MORE]++;
}
void ath10k_sta_update_rx_tid_stats_ampdu(struct ath10k *ar, u16 peer_id, u8 tid,
struct htt_rx_indication_mpdu_range *ranges,
int num_ranges)
{
struct ath10k_sta *arsta;
struct ath10k_peer *peer;
int i;
if (tid > IEEE80211_NUM_TIDS || !(ar->sta_tid_stats_mask & BIT(tid)))
return;
rcu_read_lock();
spin_lock_bh(&ar->data_lock);
peer = ath10k_peer_find_by_id(ar, peer_id);
if (!peer || !peer->sta)
goto out;
arsta = (struct ath10k_sta *)peer->sta->drv_priv;
for (i = 0; i < num_ranges; i++)
ath10k_rx_stats_update_ampdu_subfrm(ar,
&arsta->tid_stats[tid],
ranges[i].mpdu_count);
out:
spin_unlock_bh(&ar->data_lock);
rcu_read_unlock();
}
void ath10k_sta_update_rx_tid_stats(struct ath10k *ar, u8 *first_hdr,
unsigned long num_msdus,
enum ath10k_pkt_rx_err err,
unsigned long unchain_cnt,
unsigned long drop_cnt,
unsigned long drop_cnt_filter,
unsigned long queued_msdus)
{
struct ieee80211_sta *sta;
struct ath10k_sta *arsta;
struct ieee80211_hdr *hdr;
struct ath10k_sta_tid_stats *stats;
u8 tid = IEEE80211_NUM_TIDS;
bool non_data_frm = false;
hdr = (struct ieee80211_hdr *)first_hdr;
if (!ieee80211_is_data(hdr->frame_control))
non_data_frm = true;
if (ieee80211_is_data_qos(hdr->frame_control))
tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
if (!(ar->sta_tid_stats_mask & BIT(tid)) || non_data_frm)
return;
rcu_read_lock();
sta = ieee80211_find_sta_by_ifaddr(ar->hw, hdr->addr2, NULL);
if (!sta)
goto exit;
arsta = (struct ath10k_sta *)sta->drv_priv;
spin_lock_bh(&ar->data_lock);
stats = &arsta->tid_stats[tid];
stats->rx_pkt_from_fw += num_msdus;
stats->rx_pkt_unchained += unchain_cnt;
stats->rx_pkt_drop_chained += drop_cnt;
stats->rx_pkt_drop_filter += drop_cnt_filter;
if (err != ATH10K_PKT_RX_ERR_MAX)
stats->rx_pkt_err[err] += queued_msdus;
stats->rx_pkt_queued_for_mac += queued_msdus;
ath10k_rx_stats_update_amsdu_subfrm(ar, &arsta->tid_stats[tid],
num_msdus);
spin_unlock_bh(&ar->data_lock);
exit:
rcu_read_unlock();
}
static void ath10k_sta_update_extd_stats_rx_duration(struct ath10k *ar,
struct ath10k_fw_stats *stats)
{
struct ath10k_fw_extd_stats_peer *peer;
struct ieee80211_sta *sta;
struct ath10k_sta *arsta;
rcu_read_lock();
list_for_each_entry(peer, &stats->peers_extd, list) {
sta = ieee80211_find_sta_by_ifaddr(ar->hw, peer->peer_macaddr,
NULL);
if (!sta)
continue;
arsta = (struct ath10k_sta *)sta->drv_priv;
arsta->rx_duration += (u64)peer->rx_duration;
}
rcu_read_unlock();
}
static void ath10k_sta_update_stats_rx_duration(struct ath10k *ar,
struct ath10k_fw_stats *stats)
{
struct ath10k_fw_stats_peer *peer;
struct ieee80211_sta *sta;
struct ath10k_sta *arsta;
rcu_read_lock();
list_for_each_entry(peer, &stats->peers, list) {
sta = ieee80211_find_sta_by_ifaddr(ar->hw, peer->peer_macaddr,
NULL);
if (!sta)
continue;
arsta = (struct ath10k_sta *)sta->drv_priv;
arsta->rx_duration += (u64)peer->rx_duration;
}
rcu_read_unlock();
}
void ath10k_sta_update_rx_duration(struct ath10k *ar,
struct ath10k_fw_stats *stats)
{
if (stats->extended)
ath10k_sta_update_extd_stats_rx_duration(ar, stats);
else
ath10k_sta_update_stats_rx_duration(ar, stats);
}
static ssize_t ath10k_dbg_sta_read_aggr_mode(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
struct ath10k *ar = arsta->arvif->ar;
char buf[32];
int len = 0;
mutex_lock(&ar->conf_mutex);
len = scnprintf(buf, sizeof(buf) - len, "aggregation mode: %s\n",
(arsta->aggr_mode == ATH10K_DBG_AGGR_MODE_AUTO) ?
"auto" : "manual");
mutex_unlock(&ar->conf_mutex);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t ath10k_dbg_sta_write_aggr_mode(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
struct ath10k *ar = arsta->arvif->ar;
u32 aggr_mode;
int ret;
if (kstrtouint_from_user(user_buf, count, 0, &aggr_mode))
return -EINVAL;
if (aggr_mode >= ATH10K_DBG_AGGR_MODE_MAX)
return -EINVAL;
mutex_lock(&ar->conf_mutex);
if ((ar->state != ATH10K_STATE_ON) ||
(aggr_mode == arsta->aggr_mode)) {
ret = count;
goto out;
}
ret = ath10k_wmi_addba_clear_resp(ar, arsta->arvif->vdev_id, sta->addr);
if (ret) {
ath10k_warn(ar, "failed to clear addba session ret: %d\n", ret);
goto out;
}
arsta->aggr_mode = aggr_mode;
out:
mutex_unlock(&ar->conf_mutex);
return ret;
}
static const struct file_operations fops_aggr_mode = {
.read = ath10k_dbg_sta_read_aggr_mode,
.write = ath10k_dbg_sta_write_aggr_mode,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_dbg_sta_write_addba(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
struct ath10k *ar = arsta->arvif->ar;
u32 tid, buf_size;
int ret;
char buf[64] = {};
ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
user_buf, count);
if (ret <= 0)
return ret;
ret = sscanf(buf, "%u %u", &tid, &buf_size);
if (ret != 2)
return -EINVAL;
if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
return -EINVAL;
mutex_lock(&ar->conf_mutex);
if ((ar->state != ATH10K_STATE_ON) ||
(arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) {
ret = count;
goto out;
}
ret = ath10k_wmi_addba_send(ar, arsta->arvif->vdev_id, sta->addr,
tid, buf_size);
if (ret) {
ath10k_warn(ar, "failed to send addba request: vdev_id %u peer %pM tid %u buf_size %u\n",
arsta->arvif->vdev_id, sta->addr, tid, buf_size);
}
ret = count;
out:
mutex_unlock(&ar->conf_mutex);
return ret;
}
static const struct file_operations fops_addba = {
.write = ath10k_dbg_sta_write_addba,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_dbg_sta_write_addba_resp(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
struct ath10k *ar = arsta->arvif->ar;
u32 tid, status;
int ret;
char buf[64] = {};
ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
user_buf, count);
if (ret <= 0)
return ret;
ret = sscanf(buf, "%u %u", &tid, &status);
if (ret != 2)
return -EINVAL;
if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
return -EINVAL;
mutex_lock(&ar->conf_mutex);
if ((ar->state != ATH10K_STATE_ON) ||
(arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) {
ret = count;
goto out;
}
ret = ath10k_wmi_addba_set_resp(ar, arsta->arvif->vdev_id, sta->addr,
tid, status);
if (ret) {
ath10k_warn(ar, "failed to send addba response: vdev_id %u peer %pM tid %u status%u\n",
arsta->arvif->vdev_id, sta->addr, tid, status);
}
ret = count;
out:
mutex_unlock(&ar->conf_mutex);
return ret;
}
static const struct file_operations fops_addba_resp = {
.write = ath10k_dbg_sta_write_addba_resp,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_dbg_sta_write_delba(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
struct ath10k *ar = arsta->arvif->ar;
u32 tid, initiator, reason;
int ret;
char buf[64] = {};
ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
user_buf, count);
if (ret <= 0)
return ret;
ret = sscanf(buf, "%u %u %u", &tid, &initiator, &reason);
if (ret != 3)
return -EINVAL;
if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
return -EINVAL;
mutex_lock(&ar->conf_mutex);
if ((ar->state != ATH10K_STATE_ON) ||
(arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) {
ret = count;
goto out;
}
ret = ath10k_wmi_delba_send(ar, arsta->arvif->vdev_id, sta->addr,
tid, initiator, reason);
if (ret) {
ath10k_warn(ar, "failed to send delba: vdev_id %u peer %pM tid %u initiator %u reason %u\n",
arsta->arvif->vdev_id, sta->addr, tid, initiator,
reason);
}
ret = count;
out:
mutex_unlock(&ar->conf_mutex);
return ret;
}
static const struct file_operations fops_delba = {
.write = ath10k_dbg_sta_write_delba,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_dbg_sta_read_peer_debug_trigger(struct file *file,
char __user *user_buf,
size_t count,
loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
struct ath10k *ar = arsta->arvif->ar;
char buf[8];
int len = 0;
mutex_lock(&ar->conf_mutex);
len = scnprintf(buf, sizeof(buf) - len,
"Write 1 to once trigger the debug logs\n");
mutex_unlock(&ar->conf_mutex);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t
ath10k_dbg_sta_write_peer_debug_trigger(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
struct ath10k *ar = arsta->arvif->ar;
u8 peer_debug_trigger;
int ret;
if (kstrtou8_from_user(user_buf, count, 0, &peer_debug_trigger))
return -EINVAL;
if (peer_debug_trigger != 1)
return -EINVAL;
mutex_lock(&ar->conf_mutex);
if (ar->state != ATH10K_STATE_ON) {
ret = -ENETDOWN;
goto out;
}
ret = ath10k_wmi_peer_set_param(ar, arsta->arvif->vdev_id, sta->addr,
ar->wmi.peer_param->debug, peer_debug_trigger);
if (ret) {
ath10k_warn(ar, "failed to set param to trigger peer tid logs for station ret: %d\n",
ret);
goto out;
}
out:
mutex_unlock(&ar->conf_mutex);
return ret ?: count;
}
static const struct file_operations fops_peer_debug_trigger = {
.open = simple_open,
.read = ath10k_dbg_sta_read_peer_debug_trigger,
.write = ath10k_dbg_sta_write_peer_debug_trigger,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_dbg_sta_read_peer_ps_state(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
struct ath10k *ar = arsta->arvif->ar;
char buf[20];
int len = 0;
spin_lock_bh(&ar->data_lock);
len = scnprintf(buf, sizeof(buf) - len, "%d\n",
arsta->peer_ps_state);
spin_unlock_bh(&ar->data_lock);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static const struct file_operations fops_peer_ps_state = {
.open = simple_open,
.read = ath10k_dbg_sta_read_peer_ps_state,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static char *get_err_str(enum ath10k_pkt_rx_err i)
{
switch (i) {
case ATH10K_PKT_RX_ERR_FCS:
return "fcs_err";
case ATH10K_PKT_RX_ERR_TKIP:
return "tkip_err";
case ATH10K_PKT_RX_ERR_CRYPT:
return "crypt_err";
case ATH10K_PKT_RX_ERR_PEER_IDX_INVAL:
return "peer_idx_inval";
case ATH10K_PKT_RX_ERR_MAX:
return "unknown";
}
return "unknown";
}
static char *get_num_ampdu_subfrm_str(enum ath10k_ampdu_subfrm_num i)
{
switch (i) {
case ATH10K_AMPDU_SUBFRM_NUM_10:
return "up to 10";
case ATH10K_AMPDU_SUBFRM_NUM_20:
return "11-20";
case ATH10K_AMPDU_SUBFRM_NUM_30:
return "21-30";
case ATH10K_AMPDU_SUBFRM_NUM_40:
return "31-40";
case ATH10K_AMPDU_SUBFRM_NUM_50:
return "41-50";
case ATH10K_AMPDU_SUBFRM_NUM_60:
return "51-60";
case ATH10K_AMPDU_SUBFRM_NUM_MORE:
return ">60";
case ATH10K_AMPDU_SUBFRM_NUM_MAX:
return "0";
}
return "0";
}
static char *get_num_amsdu_subfrm_str(enum ath10k_amsdu_subfrm_num i)
{
switch (i) {
case ATH10K_AMSDU_SUBFRM_NUM_1:
return "1";
case ATH10K_AMSDU_SUBFRM_NUM_2:
return "2";
case ATH10K_AMSDU_SUBFRM_NUM_3:
return "3";
case ATH10K_AMSDU_SUBFRM_NUM_4:
return "4";
case ATH10K_AMSDU_SUBFRM_NUM_MORE:
return ">4";
case ATH10K_AMSDU_SUBFRM_NUM_MAX:
return "0";
}
return "0";
}
#define PRINT_TID_STATS(_field, _tabs) \
do { \
int k = 0; \
for (j = 0; j <= IEEE80211_NUM_TIDS; j++) { \
if (ar->sta_tid_stats_mask & BIT(j)) { \
len += scnprintf(buf + len, buf_len - len, \
"[%02d] %-10lu ", \
j, stats[j]._field); \
k++; \
if (k % 8 == 0) { \
len += scnprintf(buf + len, \
buf_len - len, "\n"); \
len += scnprintf(buf + len, \
buf_len - len, \
_tabs); \
} \
} \
} \
len += scnprintf(buf + len, buf_len - len, "\n"); \
} while (0)
static ssize_t ath10k_dbg_sta_read_tid_stats(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
struct ath10k *ar = arsta->arvif->ar;
struct ath10k_sta_tid_stats *stats = arsta->tid_stats;
size_t len = 0, buf_len = 1048 * IEEE80211_NUM_TIDS;
char *buf;
int i, j;
ssize_t ret;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
mutex_lock(&ar->conf_mutex);
spin_lock_bh(&ar->data_lock);
len += scnprintf(buf + len, buf_len - len,
"\n\t\tDriver Rx pkt stats per tid, ([tid] count)\n");
len += scnprintf(buf + len, buf_len - len,
"\t\t------------------------------------------\n");
len += scnprintf(buf + len, buf_len - len, "MSDUs from FW\t\t\t");
PRINT_TID_STATS(rx_pkt_from_fw, "\t\t\t\t");
len += scnprintf(buf + len, buf_len - len, "MSDUs unchained\t\t\t");
PRINT_TID_STATS(rx_pkt_unchained, "\t\t\t\t");
len += scnprintf(buf + len, buf_len - len,
"MSDUs locally dropped:chained\t");
PRINT_TID_STATS(rx_pkt_drop_chained, "\t\t\t\t");
len += scnprintf(buf + len, buf_len - len,
"MSDUs locally dropped:filtered\t");
PRINT_TID_STATS(rx_pkt_drop_filter, "\t\t\t\t");
len += scnprintf(buf + len, buf_len - len,
"MSDUs queued for mac80211\t");
PRINT_TID_STATS(rx_pkt_queued_for_mac, "\t\t\t\t");
for (i = 0; i < ATH10K_PKT_RX_ERR_MAX; i++) {
len += scnprintf(buf + len, buf_len - len,
"MSDUs with error:%s\t", get_err_str(i));
PRINT_TID_STATS(rx_pkt_err[i], "\t\t\t\t");
}
len += scnprintf(buf + len, buf_len - len, "\n");
for (i = 0; i < ATH10K_AMPDU_SUBFRM_NUM_MAX; i++) {
len += scnprintf(buf + len, buf_len - len,
"A-MPDU num subframes %s\t",
get_num_ampdu_subfrm_str(i));
PRINT_TID_STATS(rx_pkt_ampdu[i], "\t\t\t\t");
}
len += scnprintf(buf + len, buf_len - len, "\n");
for (i = 0; i < ATH10K_AMSDU_SUBFRM_NUM_MAX; i++) {
len += scnprintf(buf + len, buf_len - len,
"A-MSDU num subframes %s\t\t",
get_num_amsdu_subfrm_str(i));
PRINT_TID_STATS(rx_pkt_amsdu[i], "\t\t\t\t");
}
spin_unlock_bh(&ar->data_lock);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
mutex_unlock(&ar->conf_mutex);
return ret;
}
static const struct file_operations fops_tid_stats_dump = {
.open = simple_open,
.read = ath10k_dbg_sta_read_tid_stats,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath10k_dbg_sta_dump_tx_stats(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ieee80211_sta *sta = file->private_data;
struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
struct ath10k *ar = arsta->arvif->ar;
struct ath10k_htt_data_stats *stats;
const char *str_name[ATH10K_STATS_TYPE_MAX] = {"succ", "fail",
"retry", "ampdu"};
const char *str[ATH10K_COUNTER_TYPE_MAX] = {"bytes", "packets"};
int len = 0, i, j, k, retval = 0;
const int size = 16 * 4096;
char *buf;
buf = kzalloc(size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
mutex_lock(&ar->conf_mutex);
if (!arsta->tx_stats) {
ath10k_warn(ar, "failed to get tx stats");
mutex_unlock(&ar->conf_mutex);
kfree(buf);
return 0;
}
spin_lock_bh(&ar->data_lock);
for (k = 0; k < ATH10K_STATS_TYPE_MAX; k++) {
for (j = 0; j < ATH10K_COUNTER_TYPE_MAX; j++) {
stats = &arsta->tx_stats->stats[k];
len += scnprintf(buf + len, size - len, "%s_%s\n",
str_name[k],
str[j]);
len += scnprintf(buf + len, size - len,
" VHT MCS %s\n",
str[j]);
for (i = 0; i < ATH10K_VHT_MCS_NUM; i++)
len += scnprintf(buf + len, size - len,
" %llu ",
stats->vht[j][i]);
len += scnprintf(buf + len, size - len, "\n");
len += scnprintf(buf + len, size - len, " HT MCS %s\n",
str[j]);
for (i = 0; i < ATH10K_HT_MCS_NUM; i++)
len += scnprintf(buf + len, size - len,
" %llu ", stats->ht[j][i]);
len += scnprintf(buf + len, size - len, "\n");
len += scnprintf(buf + len, size - len,
" BW %s (20,5,10,40,80,160 MHz)\n", str[j]);
len += scnprintf(buf + len, size - len,
" %llu %llu %llu %llu %llu %llu\n",
stats->bw[j][0], stats->bw[j][1],
stats->bw[j][2], stats->bw[j][3],
stats->bw[j][4], stats->bw[j][5]);
len += scnprintf(buf + len, size - len,
" NSS %s (1x1,2x2,3x3,4x4)\n", str[j]);
len += scnprintf(buf + len, size - len,
" %llu %llu %llu %llu\n",
stats->nss[j][0], stats->nss[j][1],
stats->nss[j][2], stats->nss[j][3]);
len += scnprintf(buf + len, size - len,
" GI %s (LGI,SGI)\n",
str[j]);
len += scnprintf(buf + len, size - len, " %llu %llu\n",
stats->gi[j][0], stats->gi[j][1]);
len += scnprintf(buf + len, size - len,
" legacy rate %s (1,2 ... Mbps)\n ",
str[j]);
for (i = 0; i < ATH10K_LEGACY_NUM; i++)
len += scnprintf(buf + len, size - len, "%llu ",
stats->legacy[j][i]);
len += scnprintf(buf + len, size - len, "\n");
len += scnprintf(buf + len, size - len,
" Rate table %s (1,2 ... Mbps)\n ",
str[j]);
for (i = 0; i < ATH10K_RATE_TABLE_NUM; i++) {
len += scnprintf(buf + len, size - len, "%llu ",
stats->rate_table[j][i]);
if (!((i + 1) % 8))
len +=
scnprintf(buf + len, size - len, "\n ");
}
}
}
len += scnprintf(buf + len, size - len,
"\nTX duration\n %llu usecs\n",
arsta->tx_stats->tx_duration);
len += scnprintf(buf + len, size - len,
"BA fails\n %llu\n", arsta->tx_stats->ba_fails);
len += scnprintf(buf + len, size - len,
"ack fails\n %llu\n", arsta->tx_stats->ack_fails);
spin_unlock_bh(&ar->data_lock);
if (len > size)
len = size;
retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
mutex_unlock(&ar->conf_mutex);
return retval;
}
static const struct file_operations fops_tx_stats = {
.read = ath10k_dbg_sta_dump_tx_stats,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, struct dentry *dir)
{
struct ath10k *ar = hw->priv;
debugfs_create_file("aggr_mode", 0644, dir, sta, &fops_aggr_mode);
debugfs_create_file("addba", 0200, dir, sta, &fops_addba);
debugfs_create_file("addba_resp", 0200, dir, sta, &fops_addba_resp);
debugfs_create_file("delba", 0200, dir, sta, &fops_delba);
debugfs_create_file("peer_debug_trigger", 0600, dir, sta,
&fops_peer_debug_trigger);
debugfs_create_file("dump_tid_stats", 0400, dir, sta,
&fops_tid_stats_dump);
if (ath10k_peer_stats_enabled(ar) &&
ath10k_debug_is_extd_tx_stats_enabled(ar))
debugfs_create_file("tx_stats", 0400, dir, sta,
&fops_tx_stats);
debugfs_create_file("peer_ps_state", 0400, dir, sta,
&fops_peer_ps_state);
}
