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authorJames Morris <james.l.morris@oracle.com>2012-06-10 22:52:10 +1000
committerJames Morris <james.l.morris@oracle.com>2012-06-10 22:52:10 +1000
commit66dd07b88a1c9d446f32253da606b87324fa620e (patch)
tree4e0971bdd543585c7ab46716ae808a7fd82f9c35 /net/mac80211/wpa.c
parentf52c44cd27b4a0be37ef97f0466e4095ebebef3f (diff)
parentcfaf025112d3856637ff34a767ef785ef5cf2ca9 (diff)
Merge commit 'v3.5-rc2' into next
Diffstat (limited to 'net/mac80211/wpa.c')
-rw-r--r--net/mac80211/wpa.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 0ae23c60968c..bdb53aba888e 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -183,7 +183,8 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
u8 *pos;
if (info->control.hw_key &&
- !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
+ !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV) &&
+ !(info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE)) {
/* hwaccel - with no need for software-generated IV */
return 0;
}
@@ -202,8 +203,14 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
pos = skb_push(skb, TKIP_IV_LEN);
memmove(pos, pos + TKIP_IV_LEN, hdrlen);
+ skb_set_network_header(skb, skb_network_offset(skb) + TKIP_IV_LEN);
pos += hdrlen;
+ /* the HW only needs room for the IV, but not the actual IV */
+ if (info->control.hw_key &&
+ (info->control.hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE))
+ return 0;
+
/* Increase IV for the frame */
spin_lock_irqsave(&key->u.tkip.txlock, flags);
key->u.tkip.tx.iv16++;
@@ -422,6 +429,7 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
pos = skb_push(skb, CCMP_HDR_LEN);
memmove(pos, pos + CCMP_HDR_LEN, hdrlen);
+ skb_set_network_header(skb, skb_network_offset(skb) + CCMP_HDR_LEN);
/* the HW only needs room for the IV, but not the actual IV */
if (info->control.hw_key &&