diff options
| -rw-r--r-- | include/net/mac80211.h | 16 | ||||
| -rw-r--r-- | net/mac80211/wpa.c | 5 |
2 files changed, 14 insertions, 7 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), }; /** diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index b8600e3c29c8..9b3dcc201145 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -406,7 +406,10 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) if (info->control.hw_key && !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV) && - !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE)) { + !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE) && + !((info->control.hw_key->flags & + IEEE80211_KEY_FLAG_GENERATE_IV_MGMT) && + ieee80211_is_mgmt(hdr->frame_control))) { /* * hwaccel has no need for preallocated room for CCMP * header or MIC fields |