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>

3 files changed, 6 insertions, 4 deletions

diff --git a/drivers/net/wireless/iwmc3200wifi/cfg80211.c b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
index c6c0eff9b5ed..5a4982271e96 100644
--- a/drivers/net/wireless/iwmc3200wifi/cfg80211.c
+++ b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
@@ -225,7 +225,8 @@ static int iwm_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
 
 static int iwm_cfg80211_set_default_key(struct wiphy *wiphy,
                                         struct net_device *ndev,
-                                        u8 key_index)
+                                        u8 key_index, bool unicast,
+                                        bool multicast)
 {
         struct iwm_priv *iwm = ndev_to_iwm(ndev);
 
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index dee32d3681a5..300be1931826 100644
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -1422,7 +1422,8 @@ static int lbs_cfg_disconnect(struct wiphy *wiphy, struct net_device *dev,
 
 static int lbs_cfg_set_default_key(struct wiphy *wiphy,
                                    struct net_device *netdev,
-                                   u8 key_index)
+                                   u8 key_index, bool unicast,
+                                   bool multicast)
 {
         struct lbs_private *priv = wiphy_priv(wiphy);
 
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index 19f3d568f700..4a4f00591447 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -554,7 +554,7 @@ static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
                          u8 key_index, bool pairwise, const u8 *mac_addr);
 
 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
-                                                                u8 key_index);
+                                 u8 key_index, bool unicast, bool multicast);
 
 static int rndis_get_station(struct wiphy *wiphy, struct net_device *dev,
                                         u8 *mac, struct station_info *sinfo);
@@ -2381,7 +2381,7 @@ static int rndis_del_key(struct wiphy *wiphy, struct net_device *netdev,
 }
 
 static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
-                                                                u8 key_index)
+                                 u8 key_index, bool unicast, bool multicast)
 {
         struct rndis_wlan_private *priv = wiphy_priv(wiphy);
         struct usbnet *usbdev = priv->usbdev;