Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e7d32324 authored by Eliad Peller's avatar Eliad Peller Committed by Kalle Valo
Browse files

wl18xx: add debugfs file to emulate radar event 



Add debugfs file to emulate radar detection through
a special fw cmd (which in turn will generate radar
event)

Signed-off-by: default avatarEliad Peller <eliad@wizery.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 750e9d15

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

+26 −0
Original line number Diff line number Diff line
@@ -198,3 +198,29 @@ int wl18xx_cmd_set_cac(struct wl1271 *wl, struct wl12xx_vif *wlvif, bool start) 
	kfree(cmd);

	return ret;

}



int wl18xx_cmd_radar_detection_debug(struct wl1271 *wl, u8 channel)

{

	struct wl18xx_cmd_dfs_radar_debug *cmd;

	int ret = 0;



	wl1271_debug(DEBUG_CMD, "cmd radar detection debug (chan %d)",

		     channel);



	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);

	if (!cmd)

		return -ENOMEM;



	cmd->channel = channel;



	ret = wl1271_cmd_send(wl, CMD_DFS_RADAR_DETECTION_DEBUG,

			      cmd, sizeof(*cmd), 0);

	if (ret < 0) {

		wl1271_error("failed to send radar detection debug command");

		goto out_free;

	}



out_free:

	kfree(cmd);

	return ret;

}

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

+8 −0
Original line number Diff line number Diff line
@@ -59,6 +59,13 @@ struct wl18xx_cmd_smart_config_set_group_key { 
	u8 key[16];

} __packed;



struct wl18xx_cmd_dfs_radar_debug {

	struct wl1271_cmd_header header;



	u8 channel;

	u8 padding[3];

} __packed;



/* cac_start and cac_stop share the same params */

struct wlcore_cmd_cac_start {

	struct wl1271_cmd_header header;
@@ -77,4 +84,5 @@ int wl18xx_cmd_smart_config_stop(struct wl1271 *wl); 
int wl18xx_cmd_smart_config_set_group_key(struct wl1271 *wl, u16 group_id,

					  u8 key_len, u8 *key);

int wl18xx_cmd_set_cac(struct wl1271 *wl, struct wl12xx_vif *wlvif, bool start);

int wl18xx_cmd_radar_detection_debug(struct wl1271 *wl, u8 channel);

#endif

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

+43 −0
Original line number Diff line number Diff line
@@ -22,9 +22,12 @@ 


#include "../wlcore/debugfs.h"

#include "../wlcore/wlcore.h"

#include "../wlcore/debug.h"

#include "../wlcore/ps.h"



#include "wl18xx.h"

#include "acx.h"

#include "cmd.h"

#include "debugfs.h"



#define WL18XX_DEBUGFS_FWSTATS_FILE(a, b, c) \
@@ -239,6 +242,45 @@ static const struct file_operations clear_fw_stats_ops = { 
	.llseek = default_llseek,

};



static ssize_t radar_detection_write(struct file *file,

				     const char __user *user_buf,

				     size_t count, loff_t *ppos)

{

	struct wl1271 *wl = file->private_data;

	int ret;

	u8 channel;



	ret = kstrtou8_from_user(user_buf, count, 10, &channel);

	if (ret < 0) {

		wl1271_warning("illegal channel");

		return -EINVAL;

	}



	mutex_lock(&wl->mutex);



	if (unlikely(wl->state != WLCORE_STATE_ON))

		goto out;



	ret = wl1271_ps_elp_wakeup(wl);

	if (ret < 0)

		goto out;



	ret = wl18xx_cmd_radar_detection_debug(wl, channel);

	if (ret < 0)

		count = ret;



	wl1271_ps_elp_sleep(wl);

out:

	mutex_unlock(&wl->mutex);

	return count;

}



static const struct file_operations radar_detection_ops = {

	.write = radar_detection_write,

	.open = simple_open,

	.llseek = default_llseek,

};



int wl18xx_debugfs_add_files(struct wl1271 *wl,

			     struct dentry *rootdir)

{
@@ -390,6 +432,7 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, 
	DEBUGFS_FWSTATS_ADD(mem, fw_gen_free_mem_blks);



	DEBUGFS_ADD(conf, moddir);

	DEBUGFS_ADD(radar_detection, moddir);



	return 0;

drivers/net/wireless/ti/wlcore/ps.c

+2 −0
Original line number Diff line number Diff line
@@ -102,6 +102,7 @@ void wl1271_ps_elp_sleep(struct wl1271 *wl) 
	ieee80211_queue_delayed_work(wl->hw, &wl->elp_work,

				     msecs_to_jiffies(timeout));

}

EXPORT_SYMBOL_GPL(wl1271_ps_elp_sleep);



int wl1271_ps_elp_wakeup(struct wl1271 *wl)

{
@@ -169,6 +170,7 @@ int wl1271_ps_elp_wakeup(struct wl1271 *wl) 
out:

	return 0;

}

EXPORT_SYMBOL_GPL(wl1271_ps_elp_wakeup);



int wl1271_ps_set_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif,

		       enum wl1271_cmd_ps_mode mode)