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authorArik Nemtsov <arik@wizery.com>2011-10-23 08:21:41 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-11-08 15:54:27 -0500
commit077a9154898b374f20555adc3f620cccd02581d6 (patch)
tree77549521a0633899874a2b7f694f240cd7e61414 /include/net/mac80211.h
parent3b7b72eed19684824806b3fbefef653a180ef2b0 (diff)
mac80211: support adding IV-room in the skb for CCMP keys
Some cards can generate CCMP IVs in HW, but require the space for the IV to be pre-allocated in the frame at the correct offset. Add a key flag that allows us to achieve this. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/net/mac80211.h')
-rw-r--r--include/net/mac80211.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index dc1123aa8181..f4e0ab49db20 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -901,6 +901,10 @@ static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif)
* @IEEE80211_KEY_FLAG_SW_MGMT: This flag should be set by the driver for a
* CCMP key if it requires CCMP encryption of management frames (MFP) to
* be done in software.
+ * @IEEE80211_KEY_FLAG_PUT_IV_SPACE: This flag should be set by the driver
+ * for a CCMP key if space should be prepared for the IV, but the IV
+ * itself should not be generated. Do not set together with
+ * @IEEE80211_KEY_FLAG_GENERATE_IV on the same key.
*/
enum ieee80211_key_flags {
IEEE80211_KEY_FLAG_WMM_STA = 1<<0,
@@ -908,6 +912,7 @@ enum ieee80211_key_flags {
IEEE80211_KEY_FLAG_GENERATE_MMIC= 1<<2,
IEEE80211_KEY_FLAG_PAIRWISE = 1<<3,
IEEE80211_KEY_FLAG_SW_MGMT = 1<<4,
+ IEEE80211_KEY_FLAG_PUT_IV_SPACE = 1<<5,
};
/**