commit 60719ffd721f6764b7d07ca188c0d944a4330b69
author Johannes Berg <johannes@sipsolutions.net> Tue Sep 16 14:55:09 2008 +0200
committer John W. Linville <linville@tuxdriver.com> Wed Sep 24 16:18:00 2008 -0400
tree a224d5a7538e070430aac3a8a8f9abb4b0cd9152
parent 133b822638ff01eb1e32e1917b197c40ed095ddd

cfg80211: show interface type

This patch makes cfg80211 show the interface in the nl80211
information about a specific interface. API users are required
to keep the type updated (everything else is fairly complicated)
but you will get a warning if you fail to keep it updated.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/wireless/nl80211.c

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 1221d72..44771a69 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -299,7 +299,7 @@
 
 	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
 	NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name);
-	/* TODO: interface type */
+	NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype);
 	return genlmsg_end(msg, hdr);
 
  nla_put_failure:
@@ -453,6 +453,10 @@
 				  &flags);
 	err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex,
 					    type, err ? NULL : &flags, &params);
+
+	dev = __dev_get_by_index(&init_net, ifindex);
+	WARN_ON(!dev || (!err && dev->ieee80211_ptr->iftype != type));
+
 	rtnl_unlock();
 
  unlock: