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wlcore/wl18xx: export conf struct in a debugfs file

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

Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Luciano Coelho 2012-06-07 23:39:27 +03:00
parent 34bacf73c6
commit 18b70ac9c7
3 changed files with 72 additions and 0 deletions
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6
drivers/net/wireless/ti/wl18xx/conf.h
View file

@ -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;

44
drivers/net/wireless/ti/wl18xx/debugfs.c
View file

@ -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:

22
drivers/net/wireless/ti/wlcore/conf.h
View file

@ -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