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Commit ff0b0075 authored by Jouni Malinen's avatar Jouni Malinen Committed by Kalle Valo
Browse files

ath6kl: Add debugfs control for keepalive and disconnection timeout 



The new debugfs files keepalive and disconnect_timeout can be used to
fetch the current values and to change the values for keepalive and
disconnect event timeout (both in seconds).

Signed-off-by: default avatarJouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 1261875f

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

+3 −0
Original line number Diff line number Diff line
@@ -533,6 +533,9 @@ struct ath6kl { 


		u8 *roam_tbl;

		unsigned int roam_tbl_len;



		u8 keepalive;

		u8 disc_timeout;

	} debug;

#endif /* CONFIG_ATH6KL_DEBUG */

};

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

+95 −0
Original line number Diff line number Diff line
@@ -1149,6 +1149,95 @@ static const struct file_operations fops_roam_mode = { 
	.llseek = default_llseek,

};



void ath6kl_debug_set_keepalive(struct ath6kl *ar, u8 keepalive)

{

	ar->debug.keepalive = keepalive;

}



static ssize_t ath6kl_keepalive_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), "%u\n", ar->debug.keepalive);



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

}



static ssize_t ath6kl_keepalive_write(struct file *file,

				      const char __user *user_buf,

				      size_t count, loff_t *ppos)

{

	struct ath6kl *ar = file->private_data;

	int ret;

	u8 val;



	ret = kstrtou8_from_user(user_buf, count, 0, &val);

	if (ret)

		return ret;



	ret = ath6kl_wmi_set_keepalive_cmd(ar->wmi, val);

	if (ret)

		return ret;



	return count;

}



static const struct file_operations fops_keepalive = {

	.open = ath6kl_debugfs_open,

	.read = ath6kl_keepalive_read,

	.write = ath6kl_keepalive_write,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

};



void ath6kl_debug_set_disconnect_timeout(struct ath6kl *ar, u8 timeout)

{

	ar->debug.disc_timeout = timeout;

}



static ssize_t ath6kl_disconnect_timeout_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), "%u\n", ar->debug.disc_timeout);



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

}



static ssize_t ath6kl_disconnect_timeout_write(struct file *file,

					       const char __user *user_buf,

					       size_t count, loff_t *ppos)

{

	struct ath6kl *ar = file->private_data;

	int ret;

	u8 val;



	ret = kstrtou8_from_user(user_buf, count, 0, &val);

	if (ret)

		return ret;



	ret = ath6kl_wmi_disctimeout_cmd(ar->wmi, val);

	if (ret)

		return ret;



	return count;

}



static const struct file_operations fops_disconnect_timeout = {

	.open = ath6kl_debugfs_open,

	.read = ath6kl_disconnect_timeout_read,

	.write = ath6kl_disconnect_timeout_write,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

};



int ath6kl_debug_init(struct ath6kl *ar)

{

	ar->debug.fwlog_buf.buf = vmalloc(ATH6KL_FWLOG_SIZE);
@@ -1216,6 +1305,12 @@ int ath6kl_debug_init(struct ath6kl *ar) 
	debugfs_create_file("roam_mode", S_IWUSR, ar->debugfs_phy, ar,

			    &fops_roam_mode);



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

			    &fops_keepalive);



	debugfs_create_file("disconnect_timeout", S_IRUSR | S_IWUSR,

			    ar->debugfs_phy, ar, &fops_disconnect_timeout);



	return 0;

}

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

+11 −0
Original line number Diff line number Diff line
@@ -92,6 +92,8 @@ void ath6kl_debug_fwlog_event(struct ath6kl *ar, const void *buf, size_t len); 
void ath6kl_debug_war(struct ath6kl *ar, enum ath6kl_war war);

int ath6kl_debug_roam_tbl_event(struct ath6kl *ar, const void *buf,

				size_t len);

void ath6kl_debug_set_keepalive(struct ath6kl *ar, u8 keepalive);

void ath6kl_debug_set_disconnect_timeout(struct ath6kl *ar, u8 timeout);

int ath6kl_debug_init(struct ath6kl *ar);

void ath6kl_debug_cleanup(struct ath6kl *ar);
@@ -133,6 +135,15 @@ static inline int ath6kl_debug_roam_tbl_event(struct ath6kl *ar, 
	return 0;

}



static inline void ath6kl_debug_set_keepalive(struct ath6kl *ar, u8 keepalive)

{

}



static inline void ath6kl_debug_set_disconnect_timeout(struct ath6kl *ar,

						       u8 timeout)

{

}



static inline int ath6kl_debug_init(struct ath6kl *ar)

{

	return 0;

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

+4 −0
Original line number Diff line number Diff line
@@ -1940,6 +1940,8 @@ int ath6kl_wmi_disctimeout_cmd(struct wmi *wmi, u8 timeout) 


	ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_DISC_TIMEOUT_CMDID,

				  NO_SYNC_WMIFLAG);

	if (ret == 0)

		ath6kl_debug_set_disconnect_timeout(wmi->parent_dev, timeout);

	return ret;

}
@@ -2524,6 +2526,8 @@ int ath6kl_wmi_set_keepalive_cmd(struct wmi *wmi, u8 keep_alive_intvl) 


	ret = ath6kl_wmi_cmd_send(wmi, skb, WMI_SET_KEEPALIVE_CMDID,

				  NO_SYNC_WMIFLAG);

	if (ret == 0)

		ath6kl_debug_set_keepalive(wmi->parent_dev, keep_alive_intvl);

	return ret;

}