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Commit 939f1cce authored by Kalle Valo's avatar Kalle Valo
Browse files

ath6kl: implement support to set firmware log parameters 



Firmware log parameters can be controlled now with help of fwlog_mask
debugfs file.

Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent bdf5396b

drivers/net/wireless/ath/ath6kl/core.h

+1 −0
Original line number Diff line number Diff line
@@ -474,6 +474,7 @@ struct ath6kl { 
		struct circ_buf fwlog_buf;

		spinlock_t fwlog_lock;

		void *fwlog_tmp;

		u32 fwlog_mask;

	} debug;

#endif /* CONFIG_ATH6KL_DEBUG */

};

drivers/net/wireless/ath/ath6kl/debug.c

+51 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include "core.h"



#include <linux/circ_buf.h>

#include <linux/fs.h>



#include "debug.h"

#include "target.h"
@@ -32,6 +33,7 @@ struct ath6kl_fwlog_slot { 
#define ATH6KL_FWLOG_SIZE 32768

#define ATH6KL_FWLOG_SLOT_SIZE (sizeof(struct ath6kl_fwlog_slot) + \

				ATH6KL_FWLOG_PAYLOAD_SIZE)

#define ATH6KL_FWLOG_VALID_MASK 0x1ffff



int ath6kl_printk(const char *level, const char *fmt, ...)

{
@@ -280,6 +282,46 @@ static const struct file_operations fops_fwlog = { 
	.llseek = default_llseek,

};



static ssize_t ath6kl_fwlog_mask_read(struct file *file, char __user *user_buf,

				      size_t count, loff_t *ppos)

{

	struct ath6kl *ar = file->private_data;

	char buf[16];

	int len;



	len = snprintf(buf, sizeof(buf), "0x%x\n", ar->debug.fwlog_mask);



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

}



static ssize_t ath6kl_fwlog_mask_write(struct file *file,

				       const char __user *user_buf,

				       size_t count, loff_t *ppos)

{

	struct ath6kl *ar = file->private_data;

	int ret;



	ret = kstrtou32_from_user(user_buf, count, 0, &ar->debug.fwlog_mask);

	if (ret)

		return ret;



	ret = ath6kl_wmi_config_debug_module_cmd(ar->wmi,

						 ATH6KL_FWLOG_VALID_MASK,

						 ar->debug.fwlog_mask);

	if (ret)

		return ret;



	return count;

}



static const struct file_operations fops_fwlog_mask = {

	.open = ath6kl_debugfs_open,

	.read = ath6kl_fwlog_mask_read,

	.write = ath6kl_fwlog_mask_write,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

};



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

				   size_t count, loff_t *ppos)

{
@@ -497,6 +539,12 @@ int ath6kl_debug_init(struct ath6kl *ar) 


	spin_lock_init(&ar->debug.fwlog_lock);



	/*

	 * Actually we are lying here but don't know how to read the mask

	 * value from the firmware.

	 */

	ar->debug.fwlog_mask = 0;



	ar->debugfs_phy = debugfs_create_dir("ath6kl",

					     ar->wdev->wiphy->debugfsdir);

	if (!ar->debugfs_phy) {
@@ -514,6 +562,9 @@ int ath6kl_debug_init(struct ath6kl *ar) 
	debugfs_create_file("fwlog", S_IRUSR, ar->debugfs_phy, ar,

			    &fops_fwlog);



	debugfs_create_file("fwlog_mask", S_IRUSR | S_IWUSR, ar->debugfs_phy,

			    ar, &fops_fwlog_mask);



	return 0;

}

drivers/net/wireless/ath/ath6kl/wmi.c

+19 −0
Original line number Diff line number Diff line
@@ -2412,6 +2412,25 @@ int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source) 
	return ret;

}



int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config)

{

	struct ath6kl_wmix_dbglog_cfg_module_cmd *cmd;

	struct sk_buff *skb;

	int ret;



	skb = ath6kl_wmi_get_new_buf(sizeof(*cmd));

	if (!skb)

		return -ENOMEM;



	cmd = (struct ath6kl_wmix_dbglog_cfg_module_cmd *) skb->data;

	cmd->valid = cpu_to_le32(valid);

	cmd->config = cpu_to_le32(config);



	ret = ath6kl_wmi_cmd_send_xtnd(wmi, skb, WMIX_DBGLOG_CFG_MODULE_CMDID,

				       NO_SYNC_WMIFLAG);

	return ret;

}



int ath6kl_wmi_get_stats_cmd(struct wmi *wmi)

{

	return ath6kl_wmi_simple_cmd(wmi, WMI_GET_STATISTICS_CMDID);

drivers/net/wireless/ath/ath6kl/wmi.h

+6 −0
Original line number Diff line number Diff line
@@ -2083,6 +2083,11 @@ struct wmix_hb_challenge_resp_cmd { 
	__le32 source;

} __packed;



struct ath6kl_wmix_dbglog_cfg_module_cmd {

	__le32 valid;

	__le32 config;

} __packed;



/* End of Extended WMI (WMIX) */



enum wmi_sync_flag {
@@ -2162,6 +2167,7 @@ int ath6kl_wmi_set_lpreamble_cmd(struct wmi *wmi, u8 status, 
				 u8 preamble_policy);



int ath6kl_wmi_get_challenge_resp_cmd(struct wmi *wmi, u32 cookie, u32 source);

int ath6kl_wmi_config_debug_module_cmd(struct wmi *wmi, u32 valid, u32 config);



int ath6kl_wmi_get_stats_cmd(struct wmi *wmi);

int ath6kl_wmi_addkey_cmd(struct wmi *wmi, u8 key_index,