cfg80211/mac80211: allow per-station GTKs

This adds API to allow adding per-station GTKs,
updates mac80211 to support it, and also allows
drivers to remove a key from hwaccel again when
this may be necessary due to multiple GTKs.

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

1 files changed, 4 insertions, 2 deletions

diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index cf21a2e8134f..9265acadef32 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -199,7 +199,8 @@ enum plink_state {
  * @hnext: hash table linked list pointer
  * @local: pointer to the global information
  * @sdata: virtual interface this station belongs to
- * @key: peer key negotiated with this station, if any
+ * @ptk: peer key negotiated with this station, if any
+ * @gtk: group keys negotiated with this station, if any
  * @rate_ctrl: rate control algorithm reference
  * @rate_ctrl_priv: rate control private per-STA pointer
  * @last_tx_rate: rate used for last transmit, to report to userspace as
@@ -254,7 +255,8 @@ struct sta_info {
         struct sta_info *hnext;
         struct ieee80211_local *local;
         struct ieee80211_sub_if_data *sdata;
-        struct ieee80211_key *key;
+        struct ieee80211_key *gtk[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS];
+        struct ieee80211_key *ptk;
         struct rate_control_ref *rate_ctrl;
         void *rate_ctrl_priv;
         spinlock_t lock;