cfg80211/nl80211: separate unicast/multicast default TX keys

Allow userspace to specify that a given key
is default only for unicast and/or multicast
transmissions. Only WEP keys are for both,
WPA/RSN keys set here are GTKs for multicast
only. For more future flexibility, allow to
specify all combiations.

Wireless extensions can only set both so use
nl80211; WEP keys (connect keys) must be set
as default for both (but 802.1X WEP is still
possible).

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 12222ee..3e5dbd4 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -548,8 +548,8 @@
 				__cfg80211_leave_ibss(rdev, wdev->netdev, true);
 				rejoin = true;
 			}
-			err = rdev->ops->set_default_key(&rdev->wiphy,
-							 dev, idx);
+			err = rdev->ops->set_default_key(&rdev->wiphy, dev,
+							 idx, true, true);
 		}
 		if (!err) {
 			wdev->wext.default_key = idx;
@@ -627,8 +627,8 @@
 		err = 0;
 		wdev_lock(wdev);
 		if (wdev->current_bss)
-			err = rdev->ops->set_default_key(&rdev->wiphy,
-							 dev, idx);
+			err = rdev->ops->set_default_key(&rdev->wiphy, dev,
+							 idx, true, true);
 		if (!err)
 			wdev->wext.default_key = idx;
 		wdev_unlock(wdev);