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authorMarek Kwaczynski <marek.kwaczynski@tieto.com>2014-04-14 13:27:21 +0400
committerJohannes Berg <johannes.berg@intel.com>2014-04-25 19:26:15 +0400
commit17d38fa8c20a9c3ec76943da46264ce657ac56d0 (patch)
treea6e59c0e973e7ea873728bb002e0fb7c3ad27882 /include/net/mac80211.h
parentc0166da9fee2aa8de9d1f9460f62d02176c22350 (diff)
downloadlinux-17d38fa8c20a9c3ec76943da46264ce657ac56d0.tar.xz
mac80211: add option to generate CCMP IVs only for mgmt frames
Some chips can encrypt managment frames in HW, but require generated IV in the frame. Add a key flag that allows us to achieve this. Signed-off-by: Marek Kwaczynski <marek.kwaczynski@tieto.com> [use BIT(0) to fill that spot, fix indentation] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net/mac80211.h')
-rw-r--r--include/net/mac80211.h16
1 files changed, 10 insertions, 6 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index a3044e124229..451c1bf00df9 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1202,14 +1202,18 @@ struct ieee80211_vif *wdev_to_ieee80211_vif(struct wireless_dev *wdev);
* fall back to software crypto. Note that this flag deals only with
* RX, if your crypto engine can't deal with TX you can also set the
* %IEEE80211_KEY_FLAG_SW_MGMT_TX flag to encrypt such frames in SW.
+ * @IEEE80211_KEY_FLAG_GENERATE_IV_MGMT: This flag should be set by the
+ * driver for a CCMP key to indicate that is requires IV generation
+ * only for managment frames (MFP).
*/
enum ieee80211_key_flags {
- IEEE80211_KEY_FLAG_GENERATE_IV = 1<<1,
- IEEE80211_KEY_FLAG_GENERATE_MMIC= 1<<2,
- IEEE80211_KEY_FLAG_PAIRWISE = 1<<3,
- IEEE80211_KEY_FLAG_SW_MGMT_TX = 1<<4,
- IEEE80211_KEY_FLAG_PUT_IV_SPACE = 1<<5,
- IEEE80211_KEY_FLAG_RX_MGMT = 1<<6,
+ IEEE80211_KEY_FLAG_GENERATE_IV_MGMT = BIT(0),
+ IEEE80211_KEY_FLAG_GENERATE_IV = BIT(1),
+ IEEE80211_KEY_FLAG_GENERATE_MMIC = BIT(2),
+ IEEE80211_KEY_FLAG_PAIRWISE = BIT(3),
+ IEEE80211_KEY_FLAG_SW_MGMT_TX = BIT(4),
+ IEEE80211_KEY_FLAG_PUT_IV_SPACE = BIT(5),
+ IEEE80211_KEY_FLAG_RX_MGMT = BIT(6),
};
/**