mac80211: support GTK rekey offload

This adds the necessary mac80211 APIs to support
GTK rekey offload, mirroring the functionality
from cfg80211.

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

1 files changed, 16 insertions, 0 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 9fe22cc393c8..295ab747663f 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2101,6 +2101,21 @@ static void ieee80211_get_ringparam(struct wiphy *wiphy,
         drv_get_ringparam(local, tx, tx_max, rx, rx_max);
 }
 
+static int ieee80211_set_rekey_data(struct wiphy *wiphy,
+                                    struct net_device *dev,
+                                    struct cfg80211_gtk_rekey_data *data)
+{
+        struct ieee80211_local *local = wiphy_priv(wiphy);
+        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+        if (!local->ops->set_rekey_data)
+                return -EOPNOTSUPP;
+
+        drv_set_rekey_data(local, sdata, data);
+
+        return 0;
+}
+
 struct cfg80211_ops mac80211_config_ops = {
         .add_virtual_intf = ieee80211_add_iface,
         .del_virtual_intf = ieee80211_del_iface,
@@ -2163,4 +2178,5 @@ struct cfg80211_ops mac80211_config_ops = {
         .get_antenna = ieee80211_get_antenna,
         .set_ringparam = ieee80211_set_ringparam,
         .get_ringparam = ieee80211_get_ringparam,
+        .set_rekey_data = ieee80211_set_rekey_data,
 };