@@ -198,3 +198,29 @@ out_free:
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;
+}
@@ -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
@@ -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;
@@ -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 @@ err:
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)
Add debugfs file to emulate radar detection through a special fw cmd (which in turn will generate radar event) Signed-off-by: Eliad Peller <eliad@wizery.com> --- drivers/net/wireless/ti/wl18xx/cmd.c | 26 +++++++++++++++++++ drivers/net/wireless/ti/wl18xx/cmd.h | 8 ++++++ drivers/net/wireless/ti/wl18xx/debugfs.c | 43 ++++++++++++++++++++++++++++++++ drivers/net/wireless/ti/wlcore/ps.c | 2 ++ 4 files changed, 79 insertions(+)