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wlcore/wl18xx: add radar_debug_mode handling

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Add debugfs key (under CFG80211_CERTIFICATION_ONUS
configuration) to set/clear radar_debug_mode.
In this mode, the driver simply ignores radar
events (but prints them).

The fw is notified about this mode through
a special generic_cfg_feature command.

This mode is relevant only for ap mode. look for
it when initializing ap vif.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Eliad Peller 2016-03-07 00:28:09 +02:00 committed by Kalle Valo
parent 87cba16960
commit 8cf77e176f
4 changed files with 74 additions and 1 deletions
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66
drivers/net/wireless/ti/wl18xx/debugfs.c
View File

@ -345,6 +345,69 @@ static const struct file_operations dynamic_fw_traces_ops = {
.llseek = default_llseek,
};
#ifdef CONFIG_CFG80211_CERTIFICATION_ONUS
static ssize_t radar_debug_mode_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct wl1271 *wl = file->private_data;
struct wl12xx_vif *wlvif;
unsigned long value;
int ret;
ret = kstrtoul_from_user(user_buf, count, 10, &value);
if (ret < 0) {
wl1271_warning("illegal radar_debug_mode value!");
return -EINVAL;
}
/* valid values: 0/1 */
if (!(value == 0 || value == 1)) {
wl1271_warning("value is not in valid!");
return -EINVAL;
}
mutex_lock(&wl->mutex);
wl->radar_debug_mode = value;
if (unlikely(wl->state != WLCORE_STATE_ON))
goto out;
ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
wl12xx_for_each_wlvif_ap(wl, wlvif) {
wlcore_cmd_generic_cfg(wl, wlvif,
WLCORE_CFG_FEATURE_RADAR_DEBUG,
wl->radar_debug_mode, 0);
}
wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
return count;
}
static ssize_t radar_debug_mode_read(struct file *file,
char __user *userbuf,
size_t count, loff_t *ppos)
{
struct wl1271 *wl = file->private_data;
return wl1271_format_buffer(userbuf, count, ppos,
"%d\n", wl->radar_debug_mode);
}
static const struct file_operations radar_debug_mode_ops = {
.write = radar_debug_mode_write,
.read = radar_debug_mode_read,
.open = simple_open,
.llseek = default_llseek,
};
#endif /* CFG80211_CERTIFICATION_ONUS */
int wl18xx_debugfs_add_files(struct wl1271 *wl,
struct dentry *rootdir)
{
@ -510,6 +573,9 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl,
DEBUGFS_ADD(conf, moddir);
DEBUGFS_ADD(radar_detection, moddir);
#ifdef CONFIG_CFG80211_CERTIFICATION_ONUS
DEBUGFS_ADD(radar_debug_mode, moddir);
#endif
DEBUGFS_ADD(dynamic_fw_traces, moddir);
return 0;

3
drivers/net/wireless/ti/wl18xx/event.c
View File

@ -146,7 +146,8 @@ int wl18xx_process_mailbox_events(struct wl1271 *wl)
mbox->radar_channel,
wl18xx_radar_type_decode(mbox->radar_type));
ieee80211_radar_detected(wl->hw);
if (!wl->radar_debug_mode)
ieee80211_radar_detected(wl->hw);
}
if (vector & PERIODIC_SCAN_REPORT_EVENT_ID) {

5
drivers/net/wireless/ti/wlcore/init.c
View File

@ -558,6 +558,11 @@ static int wl12xx_init_ap_role(struct wl1271 *wl, struct wl12xx_vif *wlvif)
if (ret < 0)
return ret;
if (wl->radar_debug_mode)
wlcore_cmd_generic_cfg(wl, wlvif,
WLCORE_CFG_FEATURE_RADAR_DEBUG,
wl->radar_debug_mode, 0);
return 0;
}

1
drivers/net/wireless/ti/wlcore/wlcore.h
View File

@ -463,6 +463,7 @@ struct wl1271 {
/* the current dfs region */
enum nl80211_dfs_regions dfs_region;
bool radar_debug_mode;
/* size of the private FW status data */
size_t fw_status_len;