Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

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

drivers/net/wireless/ath/ath9k/ath9k.h

+5 −0
Original line number Diff line number Diff line
@@ -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)

drivers/net/wireless/ath/ath9k/debug.c

+90 −0
Original line number Diff line number Diff line
@@ -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"

drivers/net/wireless/ath/ath9k/debug.h

+8 −1
Original line number Diff line number Diff line
@@ -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 */

drivers/net/wireless/ath/ath9k/main.c

+8 −2
Original line number Diff line number Diff line
@@ -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;
@@ -2278,4 +2279,9 @@ struct ieee80211_ops ath9k_ops = { 
	.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

};