wlcore/wl18xx: export conf struct in a debugfs file (18b70ac9) · Commits · 戴 / test

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;

+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:

+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