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Commit 18b70ac9 authored by Luciano Coelho's avatar Luciano Coelho
Browse files

wlcore/wl18xx: export conf struct in a debugfs file 



Add conf file header structure, magic and version values and export
the entire conf struct in debugfs.

Signed-off-by: default avatarLuciano Coelho <coelho@ti.com>
parent 34bacf73

drivers/net/wireless/ti/wl18xx/conf.h

+6 −0
Original line number Diff line number Diff line
@@ -22,6 +22,12 @@ 
#ifndef __WL18XX_CONF_H__

#define __WL18XX_CONF_H__



#define WL18XX_CONF_MAGIC	0x10e100ca

#define WL18XX_CONF_VERSION	(WLCORE_CONF_VERSION | 0x0001)

#define WL18XX_CONF_MASK	0x0000ffff

#define WL18XX_CONF_SIZE	(WLCORE_CONF_SIZE + \

				 sizeof(struct wl18xx_priv_conf))



struct wl18xx_conf_phy {

	u8 phy_standalone;

	u8 rdl;

drivers/net/wireless/ti/wl18xx/debugfs.c

+44 −0
Original line number Diff line number Diff line
@@ -158,6 +158,48 @@ WL18XX_DEBUGFS_FWSTATS_FILE(mem, tx_free_mem_blks, "%u"); 
WL18XX_DEBUGFS_FWSTATS_FILE(mem, fwlog_free_mem_blks, "%u");

WL18XX_DEBUGFS_FWSTATS_FILE(mem, fw_gen_free_mem_blks, "%u");



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

			 size_t count, loff_t *ppos)

{

	struct wl1271 *wl = file->private_data;

	struct wl18xx_priv *priv = wl->priv;

	struct wlcore_conf_header header;

	char *buf, *pos;

	size_t len;

	int ret;



	len = WL18XX_CONF_SIZE;

	buf = kmalloc(len, GFP_KERNEL);

	if (!buf)

		return -ENOMEM;



	header.magic	= cpu_to_le32(WL18XX_CONF_MAGIC);

	header.version	= cpu_to_le32(WL18XX_CONF_VERSION);

	header.checksum	= 0;



	mutex_lock(&wl->mutex);



	pos = buf;

	memcpy(pos, &header, sizeof(header));

	pos += sizeof(header);

	memcpy(pos, &wl->conf, sizeof(wl->conf));

	pos += sizeof(wl->conf);

	memcpy(pos, &priv->conf, sizeof(priv->conf));



	mutex_unlock(&wl->mutex);



	ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);



	kfree(buf);

	return ret;

}



static const struct file_operations conf_ops = {

	.read = conf_read,

	.open = simple_open,

	.llseek = default_llseek,

};



static ssize_t clear_fw_stats_write(struct file *file,

			      const char __user *user_buf,

			      size_t count, loff_t *ppos)
@@ -327,6 +369,8 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, 
	DEBUGFS_FWSTATS_ADD(mem, fwlog_free_mem_blks);

	DEBUGFS_FWSTATS_ADD(mem, fw_gen_free_mem_blks);



	DEBUGFS_ADD(conf, moddir);



	return 0;



err:

drivers/net/wireless/ti/wlcore/conf.h

+22 −0
Original line number Diff line number Diff line
@@ -1271,6 +1271,22 @@ struct conf_hangover_settings { 
	u8 window_size;

} __packed;



/*

 * The conf version consists of 4 bytes.  The two MSB are the wlcore

 * version, the two LSB are the lower driver's private conf

 * version.

 */

#define WLCORE_CONF_VERSION	(0x0001 << 16)

#define WLCORE_CONF_MASK	0xffff0000

#define WLCORE_CONF_SIZE	(sizeof(struct wlcore_conf_header) +	\

				 sizeof(struct wlcore_conf))



struct wlcore_conf_header {

	__le32 magic;

	__le32 version;

	__le32 checksum;

} __packed;



struct wlcore_conf {

	struct conf_sg_settings sg;

	struct conf_rx_settings rx;
@@ -1290,4 +1306,10 @@ struct wlcore_conf { 
	struct conf_hangover_settings hangover;

} __packed;



struct wlcore_conf_file {

	struct wlcore_conf_header header;

	struct wlcore_conf core;

	u8 priv[0];

} __packed;



#endif