drivers/net/wireless/ath/ath9k/common-debug.c - kernel/lockdown - Git at Google

 /*
  * Copyright (c) 2008-2011 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 "common.h"

 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
 				      size_t count, loff_t *ppos)
 {
 	struct ath_hw *ah = file->private_data;
 	u32 len = 0, size = 6000;
 	char *buf;
 	size_t retval;

 	buf = kzalloc(size, GFP_KERNEL);
 	if (buf == NULL)
 		return -ENOMEM;

 	len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);

 	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 	kfree(buf);

 	return retval;
 }

 static const struct file_operations fops_modal_eeprom = {
 	.read = read_file_modal_eeprom,
 	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };


 void ath9k_cmn_debug_modal_eeprom(struct dentry *debugfs_phy,
 				  struct ath_hw *ah)
 {
 	debugfs_create_file("modal_eeprom", S_IRUSR, debugfs_phy, ah,
 			    &fops_modal_eeprom);
 }
 EXPORT_SYMBOL(ath9k_cmn_debug_modal_eeprom);

 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
 				     size_t count, loff_t *ppos)
 {
 	struct ath_hw *ah = file->private_data;
 	u32 len = 0, size = 1500;
 	ssize_t retval = 0;
 	char *buf;

 	buf = kzalloc(size, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;

 	len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);

 	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 	kfree(buf);

 	return retval;
 }

 static const struct file_operations fops_base_eeprom = {
 	.read = read_file_base_eeprom,
 	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };

 void ath9k_cmn_debug_base_eeprom(struct dentry *debugfs_phy,
 				 struct ath_hw *ah)
 {
 	debugfs_create_file("base_eeprom", S_IRUSR, debugfs_phy, ah,
 			    &fops_base_eeprom);
 }
 EXPORT_SYMBOL(ath9k_cmn_debug_base_eeprom);

 void ath9k_cmn_debug_stat_rx(struct ath_rx_stats *rxstats,
 			     struct ath_rx_status *rs)
 {
 #define RX_PHY_ERR_INC(c) rxstats->phy_err_stats[c]++
 #define RX_CMN_STAT_INC(c) (rxstats->c++)

 	RX_CMN_STAT_INC(rx_pkts_all);
 	rxstats->rx_bytes_all += rs->rs_datalen;

 	if (rs->rs_status & ATH9K_RXERR_CRC)
 		RX_CMN_STAT_INC(crc_err);
 	if (rs->rs_status & ATH9K_RXERR_DECRYPT)
 		RX_CMN_STAT_INC(decrypt_crc_err);
 	if (rs->rs_status & ATH9K_RXERR_MIC)
 		RX_CMN_STAT_INC(mic_err);
 	if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
 		RX_CMN_STAT_INC(pre_delim_crc_err);
 	if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
 		RX_CMN_STAT_INC(post_delim_crc_err);
 	if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
 		RX_CMN_STAT_INC(decrypt_busy_err);

 	if (rs->rs_status & ATH9K_RXERR_PHY) {
 		RX_CMN_STAT_INC(phy_err);
 		if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
 			RX_PHY_ERR_INC(rs->rs_phyerr);
 	}

 #undef RX_CMN_STAT_INC
 #undef RX_PHY_ERR_INC
 }
 EXPORT_SYMBOL(ath9k_cmn_debug_stat_rx);

 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 			      size_t count, loff_t *ppos)
 {
 #define RXS_ERR(s, e)					\
 	do {						\
 		len += scnprintf(buf + len, size - len,	\
 				 "%18s : %10u\n", s,	\
 				 rxstats->e);		\
 	} while (0)

 	struct ath_rx_stats *rxstats = file->private_data;
 	char *buf;
 	unsigned int len = 0, size = 1600;
 	ssize_t retval = 0;

 	buf = kzalloc(size, GFP_KERNEL);
 	if (buf == NULL)
 		return -ENOMEM;

 	RXS_ERR("PKTS-ALL", rx_pkts_all);
 	RXS_ERR("BYTES-ALL", rx_bytes_all);
 	RXS_ERR("BEACONS", rx_beacons);
 	RXS_ERR("FRAGS", rx_frags);
 	RXS_ERR("SPECTRAL", rx_spectral);

 	RXS_ERR("CRC ERR", crc_err);
 	RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
 	RXS_ERR("PHY ERR", phy_err);
 	RXS_ERR("MIC ERR", mic_err);
 	RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
 	RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
 	RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
 	RXS_ERR("LENGTH-ERR", rx_len_err);
 	RXS_ERR("OOM-ERR", rx_oom_err);
 	RXS_ERR("RATE-ERR", rx_rate_err);
 	RXS_ERR("TOO-MANY-FRAGS", rx_too_many_frags_err);

 	if (len > size)
 		len = size;

 	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 	kfree(buf);

 	return retval;

 #undef RXS_ERR
 }

 static const struct file_operations fops_recv = {
 	.read = read_file_recv,
 	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };

 void ath9k_cmn_debug_recv(struct dentry *debugfs_phy,
 			  struct ath_rx_stats *rxstats)
 {
 	debugfs_create_file("recv", S_IRUSR, debugfs_phy, rxstats,
 			    &fops_recv);
 }
 EXPORT_SYMBOL(ath9k_cmn_debug_recv);

 static ssize_t read_file_phy_err(struct file *file, char __user *user_buf,
 				 size_t count, loff_t *ppos)
 {
 #define PHY_ERR(s, p) \
 	len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \
 			 rxstats->phy_err_stats[p]);

 	struct ath_rx_stats *rxstats = file->private_data;
 	char *buf;
 	unsigned int len = 0, size = 1600;
 	ssize_t retval = 0;

 	buf = kzalloc(size, GFP_KERNEL);
 	if (buf == NULL)
 		return -ENOMEM;

 	PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
 	PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
 	PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
 	PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
 	PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
 	PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
 	PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
 	PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
 	PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
 	PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
 	PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
 	PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
 	PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
 	PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
 	PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
 	PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
 	PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
 	PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
 	PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
 	PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
 	PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
 	PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
 	PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
 	PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
 	PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
 	PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);

 	if (len > size)
 		len = size;

 	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 	kfree(buf);

 	return retval;

 #undef PHY_ERR
 }

 static const struct file_operations fops_phy_err = {
 	.read = read_file_phy_err,
 	.open = simple_open,
 	.owner = THIS_MODULE,
 	.llseek = default_llseek,
 };

 void ath9k_cmn_debug_phy_err(struct dentry *debugfs_phy,
 			     struct ath_rx_stats *rxstats)
 {
 	debugfs_create_file("phy_err", S_IRUSR, debugfs_phy, rxstats,
 			    &fops_phy_err);
 }
 EXPORT_SYMBOL(ath9k_cmn_debug_phy_err);
	/*
	* Copyright (c) 2008-2011 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 "common.h"

	static ssize_t read_file_modal_eeprom(struct file file, char __user user_buf,
	size_t count, loff_t *ppos)
	{
	struct ath_hw *ah = file->private_data;
	u32 len = 0, size = 6000;
	char *buf;
	size_t retval;

	buf = kzalloc(size, GFP_KERNEL);
	if (buf == NULL)
	return -ENOMEM;

	len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;
	}

	static const struct file_operations fops_modal_eeprom = {
	.read = read_file_modal_eeprom,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
	};


	void ath9k_cmn_debug_modal_eeprom(struct dentry *debugfs_phy,
	struct ath_hw *ah)
	{
	debugfs_create_file("modal_eeprom", S_IRUSR, debugfs_phy, ah,
	&fops_modal_eeprom);
	}
	EXPORT_SYMBOL(ath9k_cmn_debug_modal_eeprom);

	static ssize_t read_file_base_eeprom(struct file file, char __user user_buf,
	size_t count, loff_t *ppos)
	{
	struct ath_hw *ah = file->private_data;
	u32 len = 0, size = 1500;
	ssize_t retval = 0;
	char *buf;

	buf = kzalloc(size, GFP_KERNEL);
	if (!buf)
	return -ENOMEM;

	len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;
	}

	static const struct file_operations fops_base_eeprom = {
	.read = read_file_base_eeprom,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
	};

	void ath9k_cmn_debug_base_eeprom(struct dentry *debugfs_phy,
	struct ath_hw *ah)
	{
	debugfs_create_file("base_eeprom", S_IRUSR, debugfs_phy, ah,
	&fops_base_eeprom);
	}
	EXPORT_SYMBOL(ath9k_cmn_debug_base_eeprom);

	void ath9k_cmn_debug_stat_rx(struct ath_rx_stats *rxstats,
	struct ath_rx_status *rs)
	{
	#define RX_PHY_ERR_INC(c) rxstats->phy_err_stats[c]++
	#define RX_CMN_STAT_INC(c) (rxstats->c++)

	RX_CMN_STAT_INC(rx_pkts_all);
	rxstats->rx_bytes_all += rs->rs_datalen;

	if (rs->rs_status & ATH9K_RXERR_CRC)
	RX_CMN_STAT_INC(crc_err);
	if (rs->rs_status & ATH9K_RXERR_DECRYPT)
	RX_CMN_STAT_INC(decrypt_crc_err);
	if (rs->rs_status & ATH9K_RXERR_MIC)
	RX_CMN_STAT_INC(mic_err);
	if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
	RX_CMN_STAT_INC(pre_delim_crc_err);
	if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
	RX_CMN_STAT_INC(post_delim_crc_err);
	if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
	RX_CMN_STAT_INC(decrypt_busy_err);

	if (rs->rs_status & ATH9K_RXERR_PHY) {
	RX_CMN_STAT_INC(phy_err);
	if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
	RX_PHY_ERR_INC(rs->rs_phyerr);
	}

	#undef RX_CMN_STAT_INC
	#undef RX_PHY_ERR_INC
	}
	EXPORT_SYMBOL(ath9k_cmn_debug_stat_rx);

	static ssize_t read_file_recv(struct file file, char __user user_buf,
	size_t count, loff_t *ppos)
	{
	#define RXS_ERR(s, e) \
	do { \
	len += scnprintf(buf + len, size - len, \
	"%18s : %10u\n", s, \
	rxstats->e); \
	} while (0)

	struct ath_rx_stats *rxstats = file->private_data;
	char *buf;
	unsigned int len = 0, size = 1600;
	ssize_t retval = 0;

	buf = kzalloc(size, GFP_KERNEL);
	if (buf == NULL)
	return -ENOMEM;

	RXS_ERR("PKTS-ALL", rx_pkts_all);
	RXS_ERR("BYTES-ALL", rx_bytes_all);
	RXS_ERR("BEACONS", rx_beacons);
	RXS_ERR("FRAGS", rx_frags);
	RXS_ERR("SPECTRAL", rx_spectral);

	RXS_ERR("CRC ERR", crc_err);
	RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
	RXS_ERR("PHY ERR", phy_err);
	RXS_ERR("MIC ERR", mic_err);
	RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
	RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
	RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
	RXS_ERR("LENGTH-ERR", rx_len_err);
	RXS_ERR("OOM-ERR", rx_oom_err);
	RXS_ERR("RATE-ERR", rx_rate_err);
	RXS_ERR("TOO-MANY-FRAGS", rx_too_many_frags_err);

	if (len > size)
	len = size;

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;

	#undef RXS_ERR
	}

	static const struct file_operations fops_recv = {
	.read = read_file_recv,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
	};

	void ath9k_cmn_debug_recv(struct dentry *debugfs_phy,
	struct ath_rx_stats *rxstats)
	{
	debugfs_create_file("recv", S_IRUSR, debugfs_phy, rxstats,
	&fops_recv);
	}
	EXPORT_SYMBOL(ath9k_cmn_debug_recv);

	static ssize_t read_file_phy_err(struct file file, char __user user_buf,
	size_t count, loff_t *ppos)
	{
	#define PHY_ERR(s, p) \
	len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \
	rxstats->phy_err_stats[p]);

	struct ath_rx_stats *rxstats = file->private_data;
	char *buf;
	unsigned int len = 0, size = 1600;
	ssize_t retval = 0;

	buf = kzalloc(size, GFP_KERNEL);
	if (buf == NULL)
	return -ENOMEM;

	PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
	PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
	PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
	PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
	PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
	PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
	PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
	PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
	PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
	PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
	PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
	PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
	PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
	PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
	PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
	PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
	PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
	PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
	PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
	PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
	PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
	PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
	PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
	PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
	PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
	PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);

	if (len > size)
	len = size;

	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
	kfree(buf);

	return retval;

	#undef PHY_ERR
	}

	static const struct file_operations fops_phy_err = {
	.read = read_file_phy_err,
	.open = simple_open,
	.owner = THIS_MODULE,
	.llseek = default_llseek,
	};

	void ath9k_cmn_debug_phy_err(struct dentry *debugfs_phy,
	struct ath_rx_stats *rxstats)
	{
	debugfs_create_file("phy_err", S_IRUSR, debugfs_phy, rxstats,
	&fops_phy_err);
	}
	EXPORT_SYMBOL(ath9k_cmn_debug_phy_err);