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Commit f5045988 authored by Rajkumar Manoharan's avatar Rajkumar Manoharan Committed by Kalle Valo
Browse files

ath10k: Implement sta_add_debugfs 



Add per station debugfs files when a station is added to mac80211's
station list. This helps to group peer specific debugfs entries
altogether. Right now this callback adds support to test aggregation
procedures (addba/addba_resp/delba) manually.

To enable automatic aggregation in target,
echo 0 >/sys/kernel/debug/ieee80211/phyX/netdev:wlanX/
	stations/XX:XX:XX:XX:XX:XX/aggr_mode

For manual mode,
echo 1 >/sys/kernel/debug/ieee80211/phyX/netdev:wlanX/
	stations/XX:XX:XX:XX:XX:XX/aggr_mode

Signed-off-by: default avatarRajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 50abef85

drivers/net/wireless/ath/ath10k/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ ath10k_core-$(CONFIG_ATH10K_DEBUGFS) += spectral.o 
ath10k_core-$(CONFIG_NL80211_TESTMODE) += testmode.o

ath10k_core-$(CONFIG_ATH10K_TRACING) += trace.o

ath10k_core-$(CONFIG_THERMAL) += thermal.o

ath10k_core-$(CONFIG_MAC80211_DEBUGFS) += debugfs_sta.o



obj-$(CONFIG_ATH10K_PCI) += ath10k_pci.o

ath10k_pci-y += pci.o \

drivers/net/wireless/ath/ath10k/core.h

+5 −0
Original line number Diff line number Diff line
@@ -239,6 +239,11 @@ struct ath10k_sta { 
	u32 smps;



	struct work_struct update_wk;



#ifdef CONFIG_MAC80211_DEBUGFS

	/* protected by conf_mutex */

	bool aggr_mode;

#endif

};



#define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5*HZ)

drivers/net/wireless/ath/ath10k/debug.h

+10 −1
Original line number Diff line number Diff line
@@ -48,6 +48,12 @@ enum ath10k_pktlog_filter { 
	ATH10K_PKTLOG_ANY        = 0x00000001f,

};



enum ath10k_dbg_aggr_mode {

	ATH10K_DBG_AGGR_MODE_AUTO,

	ATH10K_DBG_AGGR_MODE_MANUAL,

	ATH10K_DBG_AGGR_MODE_MAX,

};



extern unsigned int ath10k_debug_mask;



__printf(2, 3) void ath10k_info(struct ath10k *ar, const char *fmt, ...);
@@ -77,7 +83,6 @@ int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw, 
void ath10k_debug_get_et_stats(struct ieee80211_hw *hw,

			       struct ieee80211_vif *vif,

			       struct ethtool_stats *stats, u64 *data);



#else

static inline int ath10k_debug_start(struct ath10k *ar)

{
@@ -129,6 +134,10 @@ ath10k_debug_get_new_fw_crash_data(struct ath10k *ar) 
#define ath10k_debug_get_et_stats NULL



#endif /* CONFIG_ATH10K_DEBUGFS */

#ifdef CONFIG_MAC80211_DEBUGFS

void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,

			    struct ieee80211_sta *sta, struct dentry *dir);

#endif /* CONFIG_MAC80211_DEBUGFS */



#ifdef CONFIG_ATH10K_DEBUG

__printf(3, 4) void ath10k_dbg(struct ath10k *ar,

drivers/net/wireless/ath/ath10k/debugfs_sta.c

0 → 100644
+88 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2014 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 "core.h"

#include "wmi-ops.h"

#include "debug.h"



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,

};



void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,

			    struct ieee80211_sta *sta, struct dentry *dir)

{

	debugfs_create_file("aggr_mode", S_IRUGO | S_IWUSR, dir, sta,

			    &fops_aggr_mode);

}

drivers/net/wireless/ath/ath10k/mac.c

+3 −0
Original line number Diff line number Diff line
@@ -4746,6 +4746,9 @@ static const struct ieee80211_ops ath10k_ops = { 
	.suspend			= ath10k_suspend,

	.resume				= ath10k_resume,

#endif

#ifdef CONFIG_MAC80211_DEBUGFS

	.sta_add_debugfs		= ath10k_sta_add_debugfs,

#endif

};



#define RATETAB_ENT(_rate, _rateid, _flags) { \