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Commit 8e42e4ba authored by Sujith Manoharan's avatar Sujith Manoharan Committed by John W. Linville
Browse files

ath9k_htc: Move debug code to a separate file 



Signed-off-by: default avatarSujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent f4c88991

drivers/net/wireless/ath/ath9k/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -48,4 +48,6 @@ ath9k_htc-y += htc_hst.o \ 
		htc_drv_init.o \

		htc_drv_gpio.o



ath9k_htc-$(CONFIG_ATH9K_HTC_DEBUGFS) += htc_drv_debug.o



obj-$(CONFIG_ATH9K_HTC) += ath9k_htc.o

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

0 → 100644
+219 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2010-2011 Atheros Communications 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 "htc.h"



static struct dentry *ath9k_debugfs_root;



static int ath9k_debugfs_open(struct inode *inode, struct file *file)

{

	file->private_data = inode->i_private;

	return 0;

}



static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf,

				   size_t count, loff_t *ppos)

{

	struct ath9k_htc_priv *priv = file->private_data;

	struct ath9k_htc_target_stats cmd_rsp;

	char buf[512];

	unsigned int len = 0;

	int ret = 0;



	memset(&cmd_rsp, 0, sizeof(cmd_rsp));



	WMI_CMD(WMI_TGT_STATS_CMDID);

	if (ret)

		return -EINVAL;





	len += snprintf(buf + len, sizeof(buf) - len,

			"%19s : %10u\n", "TX Short Retries",

			be32_to_cpu(cmd_rsp.tx_shortretry));

	len += snprintf(buf + len, sizeof(buf) - len,

			"%19s : %10u\n", "TX Long Retries",

			be32_to_cpu(cmd_rsp.tx_longretry));

	len += snprintf(buf + len, sizeof(buf) - len,

			"%19s : %10u\n", "TX Xretries",

			be32_to_cpu(cmd_rsp.tx_xretries));

	len += snprintf(buf + len, sizeof(buf) - len,

			"%19s : %10u\n", "TX Unaggr. Xretries",

			be32_to_cpu(cmd_rsp.ht_txunaggr_xretry));

	len += snprintf(buf + len, sizeof(buf) - len,

			"%19s : %10u\n", "TX Xretries (HT)",

			be32_to_cpu(cmd_rsp.ht_tx_xretries));

	len += snprintf(buf + len, sizeof(buf) - len,

			"%19s : %10u\n", "TX Rate", priv->debug.txrate);



	if (len > sizeof(buf))

		len = sizeof(buf);



	return simple_read_from_buffer(user_buf, count, ppos, buf, len);

}



static const struct file_operations fops_tgt_stats = {

	.read = read_file_tgt_stats,

	.open = ath9k_debugfs_open,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

};



static ssize_t read_file_xmit(struct file *file, char __user *user_buf,

			      size_t count, loff_t *ppos)

{

	struct ath9k_htc_priv *priv = file->private_data;

	char buf[512];

	unsigned int len = 0;



	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "Buffers queued",

			priv->debug.tx_stats.buf_queued);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "Buffers completed",

			priv->debug.tx_stats.buf_completed);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "SKBs queued",

			priv->debug.tx_stats.skb_queued);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "SKBs completed",

			priv->debug.tx_stats.skb_completed);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "SKBs dropped",

			priv->debug.tx_stats.skb_dropped);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "CAB queued",

			priv->debug.tx_stats.cab_queued);



	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "BE queued",

			priv->debug.tx_stats.queue_stats[WME_AC_BE]);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "BK queued",

			priv->debug.tx_stats.queue_stats[WME_AC_BK]);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "VI queued",

			priv->debug.tx_stats.queue_stats[WME_AC_VI]);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "VO queued",

			priv->debug.tx_stats.queue_stats[WME_AC_VO]);



	if (len > sizeof(buf))

		len = sizeof(buf);



	return simple_read_from_buffer(user_buf, count, ppos, buf, len);

}



static const struct file_operations fops_xmit = {

	.read = read_file_xmit,

	.open = ath9k_debugfs_open,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

};



static ssize_t read_file_recv(struct file *file, char __user *user_buf,

			      size_t count, loff_t *ppos)

{

	struct ath9k_htc_priv *priv = file->private_data;

	char buf[512];

	unsigned int len = 0;



	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "SKBs allocated",

			priv->debug.rx_stats.skb_allocated);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "SKBs completed",

			priv->debug.rx_stats.skb_completed);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "SKBs Dropped",

			priv->debug.rx_stats.skb_dropped);



	if (len > sizeof(buf))

		len = sizeof(buf);



	return simple_read_from_buffer(user_buf, count, ppos, buf, len);

}



static const struct file_operations fops_recv = {

	.read = read_file_recv,

	.open = ath9k_debugfs_open,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

};



int ath9k_htc_init_debug(struct ath_hw *ah)

{

	struct ath_common *common = ath9k_hw_common(ah);

	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;



	if (!ath9k_debugfs_root)

		return -ENOENT;



	priv->debug.debugfs_phy = debugfs_create_dir(wiphy_name(priv->hw->wiphy),

						     ath9k_debugfs_root);

	if (!priv->debug.debugfs_phy)

		goto err;



	priv->debug.debugfs_tgt_stats = debugfs_create_file("tgt_stats", S_IRUSR,

						    priv->debug.debugfs_phy,

						    priv, &fops_tgt_stats);

	if (!priv->debug.debugfs_tgt_stats)

		goto err;





	priv->debug.debugfs_xmit = debugfs_create_file("xmit", S_IRUSR,

						       priv->debug.debugfs_phy,

						       priv, &fops_xmit);

	if (!priv->debug.debugfs_xmit)

		goto err;



	priv->debug.debugfs_recv = debugfs_create_file("recv", S_IRUSR,

						       priv->debug.debugfs_phy,

						       priv, &fops_recv);

	if (!priv->debug.debugfs_recv)

		goto err;



	return 0;



err:

	ath9k_htc_exit_debug(ah);

	return -ENOMEM;

}



void ath9k_htc_exit_debug(struct ath_hw *ah)

{

	struct ath_common *common = ath9k_hw_common(ah);

	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;



	debugfs_remove(priv->debug.debugfs_recv);

	debugfs_remove(priv->debug.debugfs_xmit);

	debugfs_remove(priv->debug.debugfs_tgt_stats);

	debugfs_remove(priv->debug.debugfs_phy);

}



int ath9k_htc_debug_create_root(void)

{

	ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);

	if (!ath9k_debugfs_root)

		return -ENOENT;



	return 0;

}



void ath9k_htc_debug_remove_root(void)

{

	debugfs_remove(ath9k_debugfs_root);

	ath9k_debugfs_root = NULL;

}

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

+0 −212
Original line number Diff line number Diff line
@@ -16,10 +16,6 @@ 


#include "htc.h"



#ifdef CONFIG_ATH9K_HTC_DEBUGFS

static struct dentry *ath9k_debugfs_root;

#endif



/*************/

/* Utilities */

/*************/
@@ -720,214 +716,6 @@ static int ath9k_htc_tx_aggr_oper(struct ath9k_htc_priv *priv, 
	return ret;

}



/*********/

/* DEBUG */

/*********/



#ifdef CONFIG_ATH9K_HTC_DEBUGFS



static int ath9k_debugfs_open(struct inode *inode, struct file *file)

{

	file->private_data = inode->i_private;

	return 0;

}



static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf,

				   size_t count, loff_t *ppos)

{

	struct ath9k_htc_priv *priv = file->private_data;

	struct ath9k_htc_target_stats cmd_rsp;

	char buf[512];

	unsigned int len = 0;

	int ret = 0;



	memset(&cmd_rsp, 0, sizeof(cmd_rsp));



	WMI_CMD(WMI_TGT_STATS_CMDID);

	if (ret)

		return -EINVAL;





	len += snprintf(buf + len, sizeof(buf) - len,

			"%19s : %10u\n", "TX Short Retries",

			be32_to_cpu(cmd_rsp.tx_shortretry));

	len += snprintf(buf + len, sizeof(buf) - len,

			"%19s : %10u\n", "TX Long Retries",

			be32_to_cpu(cmd_rsp.tx_longretry));

	len += snprintf(buf + len, sizeof(buf) - len,

			"%19s : %10u\n", "TX Xretries",

			be32_to_cpu(cmd_rsp.tx_xretries));

	len += snprintf(buf + len, sizeof(buf) - len,

			"%19s : %10u\n", "TX Unaggr. Xretries",

			be32_to_cpu(cmd_rsp.ht_txunaggr_xretry));

	len += snprintf(buf + len, sizeof(buf) - len,

			"%19s : %10u\n", "TX Xretries (HT)",

			be32_to_cpu(cmd_rsp.ht_tx_xretries));

	len += snprintf(buf + len, sizeof(buf) - len,

			"%19s : %10u\n", "TX Rate", priv->debug.txrate);



	if (len > sizeof(buf))

		len = sizeof(buf);



	return simple_read_from_buffer(user_buf, count, ppos, buf, len);

}



static const struct file_operations fops_tgt_stats = {

	.read = read_file_tgt_stats,

	.open = ath9k_debugfs_open,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

};



static ssize_t read_file_xmit(struct file *file, char __user *user_buf,

			      size_t count, loff_t *ppos)

{

	struct ath9k_htc_priv *priv = file->private_data;

	char buf[512];

	unsigned int len = 0;



	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "Buffers queued",

			priv->debug.tx_stats.buf_queued);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "Buffers completed",

			priv->debug.tx_stats.buf_completed);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "SKBs queued",

			priv->debug.tx_stats.skb_queued);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "SKBs completed",

			priv->debug.tx_stats.skb_completed);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "SKBs dropped",

			priv->debug.tx_stats.skb_dropped);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "CAB queued",

			priv->debug.tx_stats.cab_queued);



	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "BE queued",

			priv->debug.tx_stats.queue_stats[WME_AC_BE]);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "BK queued",

			priv->debug.tx_stats.queue_stats[WME_AC_BK]);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "VI queued",

			priv->debug.tx_stats.queue_stats[WME_AC_VI]);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "VO queued",

			priv->debug.tx_stats.queue_stats[WME_AC_VO]);



	if (len > sizeof(buf))

		len = sizeof(buf);



	return simple_read_from_buffer(user_buf, count, ppos, buf, len);

}



static const struct file_operations fops_xmit = {

	.read = read_file_xmit,

	.open = ath9k_debugfs_open,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

};



static ssize_t read_file_recv(struct file *file, char __user *user_buf,

			      size_t count, loff_t *ppos)

{

	struct ath9k_htc_priv *priv = file->private_data;

	char buf[512];

	unsigned int len = 0;



	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "SKBs allocated",

			priv->debug.rx_stats.skb_allocated);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "SKBs completed",

			priv->debug.rx_stats.skb_completed);

	len += snprintf(buf + len, sizeof(buf) - len,

			"%20s : %10u\n", "SKBs Dropped",

			priv->debug.rx_stats.skb_dropped);



	if (len > sizeof(buf))

		len = sizeof(buf);



	return simple_read_from_buffer(user_buf, count, ppos, buf, len);

}



static const struct file_operations fops_recv = {

	.read = read_file_recv,

	.open = ath9k_debugfs_open,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

};



int ath9k_htc_init_debug(struct ath_hw *ah)

{

	struct ath_common *common = ath9k_hw_common(ah);

	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;



	if (!ath9k_debugfs_root)

		return -ENOENT;



	priv->debug.debugfs_phy = debugfs_create_dir(wiphy_name(priv->hw->wiphy),

						     ath9k_debugfs_root);

	if (!priv->debug.debugfs_phy)

		goto err;



	priv->debug.debugfs_tgt_stats = debugfs_create_file("tgt_stats", S_IRUSR,

						    priv->debug.debugfs_phy,

						    priv, &fops_tgt_stats);

	if (!priv->debug.debugfs_tgt_stats)

		goto err;





	priv->debug.debugfs_xmit = debugfs_create_file("xmit", S_IRUSR,

						       priv->debug.debugfs_phy,

						       priv, &fops_xmit);

	if (!priv->debug.debugfs_xmit)

		goto err;



	priv->debug.debugfs_recv = debugfs_create_file("recv", S_IRUSR,

						       priv->debug.debugfs_phy,

						       priv, &fops_recv);

	if (!priv->debug.debugfs_recv)

		goto err;



	return 0;



err:

	ath9k_htc_exit_debug(ah);

	return -ENOMEM;

}



void ath9k_htc_exit_debug(struct ath_hw *ah)

{

	struct ath_common *common = ath9k_hw_common(ah);

	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;



	debugfs_remove(priv->debug.debugfs_recv);

	debugfs_remove(priv->debug.debugfs_xmit);

	debugfs_remove(priv->debug.debugfs_tgt_stats);

	debugfs_remove(priv->debug.debugfs_phy);

}



int ath9k_htc_debug_create_root(void)

{

	ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);

	if (!ath9k_debugfs_root)

		return -ENOENT;



	return 0;

}



void ath9k_htc_debug_remove_root(void)

{

	debugfs_remove(ath9k_debugfs_root);

	ath9k_debugfs_root = NULL;

}



#endif /* CONFIG_ATH9K_HTC_DEBUGFS */



/*******/

/* ANI */

/*******/