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Commit 1cdbaf0d authored by Sujith Manoharan's avatar Sujith Manoharan Committed by John W. Linville
Browse files

ath9k: Add an option for station statistics 



Also, rename node_stat to node_aggr.

Signed-off-by: default avatarSujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 45202866

drivers/net/wireless/ath/ath9k/Kconfig

+8 −0
Original line number Diff line number Diff line
@@ -65,6 +65,14 @@ config ATH9K_DEBUGFS 


	  Also required for changing debug message flags at run time.



config ATH9K_STATION_STATISTICS

	bool "Detailed station statistics"

	depends on ATH9K && ATH9K_DEBUGFS && DEBUG_FS

	select MAC80211_DEBUGFS

	default n

	---help---

	  This option enables detailed statistics for association stations.



config ATH9K_DFS_CERTIFIED

	bool "Atheros DFS support for certified platforms"

	depends on ATH9K && CFG80211_CERTIFICATION_ONUS

drivers/net/wireless/ath/ath9k/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -19,6 +19,8 @@ ath9k-$(CONFIG_ATH9K_WOW) += wow.o 
ath9k-$(CONFIG_ATH9K_DEBUGFS) += debug.o \

				 spectral.o



ath9k-$(CONFIG_ATH9K_STATION_STATISTICS) += debug_sta.o



obj-$(CONFIG_ATH9K) += ath9k.o



ath9k_hw-y:=	\

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

+0 −80
Original line number Diff line number Diff line
@@ -1322,86 +1322,6 @@ 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 = scnprintf(buf, size, "%s\n",

				"HT not supported");

		goto exit;

	}



	len = scnprintf(buf, size, "Max-AMPDU: %d\n",

			an->maxampdu);

	len += scnprintf(buf + len, size - len, "MPDU Density: %d\n\n",

			 an->mpdudensity);



	len += scnprintf(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 += scnprintf(buf + len, size - len,

				 "%2d%7d\n",

				 acno, ac->sched);

		ath_txq_unlock(sc, txq);

	}



	len += scnprintf(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 += scnprintf(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;

	debugfs_create_file("node_stat", S_IRUGO, dir, an, &fops_node_stat);

}



/* Ethtool support for get-stats */



#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"

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

0 → 100644
+97 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2013 Qualcomm Atheros, Inc.

 *

 * Permission to use, copy, modify, and/or distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above

 * copyright notice and this permission notice appear in all copies.

 *

 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 */



#include "ath9k.h"



static ssize_t read_file_node_aggr(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 = scnprintf(buf, size, "%s\n",

				"HT not supported");

		goto exit;

	}



	len = scnprintf(buf, size, "Max-AMPDU: %d\n",

			an->maxampdu);

	len += scnprintf(buf + len, size - len, "MPDU Density: %d\n\n",

			 an->mpdudensity);



	len += scnprintf(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 += scnprintf(buf + len, size - len,

				 "%2d%7d\n",

				 acno, ac->sched);

		ath_txq_unlock(sc, txq);

	}



	len += scnprintf(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 += scnprintf(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_aggr = {

	.read = read_file_node_aggr,

	.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;

	debugfs_create_file("node_aggr", S_IRUGO, dir, an, &fops_node_aggr);

}

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

+1 −1
Original line number Diff line number Diff line
@@ -2111,7 +2111,7 @@ struct ieee80211_ops ath9k_ops = { 
	.get_et_strings     = ath9k_get_et_strings,

#endif



#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_DEBUGFS)

#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_STATION_STATISTICS)

	.sta_add_debugfs    = ath9k_sta_add_debugfs,

#endif

	.sw_scan_start	    = ath9k_sw_scan_start,