mac802154: add default interface registration

This patch adds a default interface registration for a wpan interface
type. Currently the 802.15.4 subsystem need to call userspace tools to
add an interface. This patch is like mac80211 handling for registration
a station interface type by default.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/net/mac802154/main.c b/net/mac802154/main.c
index a371eb5fa053..7d0ff7fd2cd4 100644
--- a/net/mac802154/main.c
+++ b/net/mac802154/main.c
@@ -126,6 +126,7 @@ EXPORT_SYMBOL(ieee802154_free_hw);
 int ieee802154_register_hw(struct ieee802154_hw *hw)
 {
         struct ieee802154_local *local = hw_to_local(hw);
+        struct net_device *dev;
         int rc = -ENOSYS;
 
         local->workqueue =
@@ -141,6 +142,17 @@ int ieee802154_register_hw(struct ieee802154_hw *hw)
         if (rc < 0)
                 goto out_wq;
 
+        rtnl_lock();
+
+        dev = ieee802154_if_add(local, "wpan%d", NULL, IEEE802154_DEV_WPAN);
+        if (IS_ERR(dev)) {
+                rtnl_unlock();
+                rc = PTR_ERR(dev);
+                goto out_wq;
+        }
+
+        rtnl_unlock();
+
         return 0;
 
 out_wq: