Commit a145daf7 authored by Sujith Manoharan's avatar Sujith Manoharan Committed by John W. Linville
Browse files

ath9k: Implement sta_add_debugfs/sta_remove_debugfs


Signed-off-by: default avatarSujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent de7b7604
......@@ -259,6 +259,7 @@ struct ath_atx_tid {
};
struct ath_node {
struct ath_softc *sc;
struct ieee80211_sta *sta; /* station struct we're part of */
struct ieee80211_vif *vif; /* interface with which we're associated */
struct ath_atx_tid tid[IEEE80211_NUM_TIDS];
......@@ -269,6 +270,10 @@ struct ath_node {
u8 mpdudensity;
bool sleeping;
#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_DEBUGFS)
struct dentry *node_stat;
#endif
};
#define AGGR_CLEANUP BIT(1)
......
......@@ -1509,6 +1509,96 @@ static const struct file_operations fops_btcoex = {
};
#endif
static ssize_t read_file_node_stat(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_node *an = file->private_data;
struct ath_softc *sc = an->sc;
struct ath_atx_tid *tid;
struct ath_atx_ac *ac;
struct ath_txq *txq;
u32 len = 0, size = 4096;
char *buf;
size_t retval;
int tidno, acno;
buf = kzalloc(size, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
if (!an->sta->ht_cap.ht_supported) {
len = snprintf(buf, size, "%s\n",
"HT not supported");
goto exit;
}
len = snprintf(buf, size, "Max-AMPDU: %d\n",
an->maxampdu);
len += snprintf(buf + len, size - len, "MPDU Density: %d\n\n",
an->mpdudensity);
len += snprintf(buf + len, size - len,
"%2s%7s\n", "AC", "SCHED");
for (acno = 0, ac = &an->ac[acno];
acno < IEEE80211_NUM_ACS; acno++, ac++) {
txq = ac->txq;
ath_txq_lock(sc, txq);
len += snprintf(buf + len, size - len,
"%2d%7d\n",
acno, ac->sched);
ath_txq_unlock(sc, txq);
}
len += snprintf(buf + len, size - len,
"\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n",
"TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE",
"BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED");
for (tidno = 0, tid = &an->tid[tidno];
tidno < IEEE80211_NUM_TIDS; tidno++, tid++) {
txq = tid->ac->txq;
ath_txq_lock(sc, txq);
len += snprintf(buf + len, size - len,
"%3d%11d%10d%10d%10d%10d%9d%6d%8d\n",
tid->tidno, tid->seq_start, tid->seq_next,
tid->baw_size, tid->baw_head, tid->baw_tail,
tid->bar_index, tid->sched, tid->paused);
ath_txq_unlock(sc, txq);
}
exit:
retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return retval;
}
static const struct file_operations fops_node_stat = {
.read = read_file_node_stat,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
void ath9k_sta_add_debugfs(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct dentry *dir)
{
struct ath_node *an = (struct ath_node *)sta->drv_priv;
an->node_stat = debugfs_create_file("node_stat", S_IRUGO,
dir, an, &fops_node_stat);
}
void ath9k_sta_remove_debugfs(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct dentry *dir)
{
struct ath_node *an = (struct ath_node *)sta->drv_priv;
debugfs_remove(an->node_stat);
}
/* Ethtool support for get-stats */
#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
......
......@@ -315,7 +315,14 @@ void ath9k_get_et_stats(struct ieee80211_hw *hw,
void ath9k_get_et_strings(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
u32 sset, u8 *data);
void ath9k_sta_add_debugfs(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct dentry *dir);
void ath9k_sta_remove_debugfs(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct dentry *dir);
#else
#define RX_STAT_INC(c) /* NOP */
......
......@@ -331,6 +331,7 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta,
u8 density;
an = (struct ath_node *)sta->drv_priv;
an->sc = sc;
an->sta = sta;
an->vif = vif;
......@@ -2275,7 +2276,12 @@ struct ieee80211_ops ath9k_ops = {
#ifdef CONFIG_ATH9K_DEBUGFS
.get_et_sset_count = ath9k_get_et_sset_count,
.get_et_stats = ath9k_get_et_stats,
.get_et_strings = ath9k_get_et_strings,
.get_et_stats = ath9k_get_et_stats,
.get_et_strings = ath9k_get_et_strings,
#endif
#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_DEBUGFS)
.sta_add_debugfs = ath9k_sta_add_debugfs,
.sta_remove_debugfs = ath9k_sta_remove_debugfs,
#endif
};
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