mac80211: expose HW conf flags through debugfs

This is useful during testing to eg. check the currently
configured HW power save state.

Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20191119053538.25979-3-thomas@adapt-ip.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 568b3b2..5c52429 100644 (file)
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -59,6 +59,8 @@ static const struct file_operations name## _ops = {                   \
        debugfs_create_file(#name, mode, phyd, local, &name## _ops);
 
 
+DEBUGFS_READONLY_FILE(hw_conf, "%x",
+                     local->hw.conf.flags);
 DEBUGFS_READONLY_FILE(user_power, "%d",
                      local->user_power_level);
 DEBUGFS_READONLY_FILE(power, "%d",
@@ -433,6 +435,7 @@ void debugfs_hw_add(struct ieee80211_local *local)
        DEBUGFS_ADD(hwflags);
        DEBUGFS_ADD(user_power);
        DEBUGFS_ADD(power);
+       DEBUGFS_ADD(hw_conf);
        DEBUGFS_ADD_MODE(force_tx_status, 0600);
 
        if (local->ops->wake_tx_queue)