Add conf file header structure, magic and version values and export
the entire conf struct in debugfs.
Signed-off-by: Luciano Coelho <coelho@xxxxxx>
---
drivers/net/wireless/ti/wl18xx/conf.h | 6 ++++
drivers/net/wireless/ti/wl18xx/debugfs.c | 44 ++++++++++++++++++++++++++++++
drivers/net/wireless/ti/wlcore/conf.h | 22 +++++++++++++++
3 files changed, 72 insertions(+)
diff --git a/drivers/net/wireless/ti/wl18xx/conf.h b/drivers/net/wireless/ti/wl18xx/conf.h
index b75a6d3..130546a 100644
--- a/drivers/net/wireless/ti/wl18xx/conf.h
+++ b/drivers/net/wireless/ti/wl18xx/conf.h
@@ -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;
diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c
index 468651c..96b1496 100644
--- a/drivers/net/wireless/ti/wl18xx/debugfs.c
+++ b/drivers/net/wireless/ti/wl18xx/debugfs.c
@@ -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:
diff --git a/drivers/net/wireless/ti/wlcore/conf.h b/drivers/net/wireless/ti/wlcore/conf.h
index 27d919f..03c6358 100644
--- a/drivers/net/wireless/ti/wlcore/conf.h
+++ b/drivers/net/wireless/ti/wlcore/conf.h
@@ -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
--
1.7.10
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