diff options
author | Eliad Peller <eliad@wizery.com> | 2014-12-29 08:24:08 +0200 |
---|---|---|
committer | Kalle Valo <kvalo@codeaurora.org> | 2015-01-09 15:47:58 +0200 |
commit | e7d323243f567b8f3ff1324dc8a6f17dd36b4106 (patch) | |
tree | dd31dbdd9c7a26a742366bca99580c35ff288386 | |
parent | 750e9d15e2fe93fec696893be7b120b2940378d0 (diff) | |
download | linux-e7d323243f567b8f3ff1324dc8a6f17dd36b4106.tar.bz2 |
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: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
-rw-r--r-- | drivers/net/wireless/ti/wl18xx/cmd.c | 26 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wl18xx/cmd.h | 8 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wl18xx/debugfs.c | 43 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wlcore/ps.c | 2 |
4 files changed, 79 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wl18xx/cmd.c b/drivers/net/wireless/ti/wl18xx/cmd.c index 10f9d1c064ba..68e12e54aeed 100644 --- a/drivers/net/wireless/ti/wl18xx/cmd.c +++ b/drivers/net/wireless/ti/wl18xx/cmd.c @@ -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; +} diff --git a/drivers/net/wireless/ti/wl18xx/cmd.h b/drivers/net/wireless/ti/wl18xx/cmd.h index 91b3e2fe77cd..0809b92c23db 100644 --- a/drivers/net/wireless/ti/wl18xx/cmd.h +++ b/drivers/net/wireless/ti/wl18xx/cmd.h @@ -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 diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c index 7f1669cdea09..c93fae95baac 100644 --- a/drivers/net/wireless/ti/wl18xx/debugfs.c +++ b/drivers/net/wireless/ti/wl18xx/debugfs.c @@ -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; diff --git a/drivers/net/wireless/ti/wlcore/ps.c b/drivers/net/wireless/ti/wlcore/ps.c index f3ed543bfe73..4cd316e61466 100644 --- a/drivers/net/wireless/ti/wlcore/ps.c +++ b/drivers/net/wireless/ti/wlcore/ps.c @@ -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) |