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authorArik Nemtsov <arik@wizery.com>2012-05-10 13:21:09 +0300
committerJohn W. Linville <linville@tuxdriver.com>2012-05-16 12:47:43 -0400
commit7863157d83763a0f1b9ad96c94a1ed3d0372526a (patch)
tree05b5802a68f5c945abf3c2c8a105ed6a1a01741a /net/mac80211/wpa.c
parentac55d2fe0576d272c4a98ed9dfb87b1cca29486e (diff)
downloadlinux-7863157d83763a0f1b9ad96c94a1ed3d0372526a.tar.bz2
mac80211: fix network header location when adding encryption headers
Update the location of the network header when adding encryption specific headers to a skb. This allows low-level drivers to use the (now correct) location of the network header. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/wpa.c')
-rw-r--r--net/mac80211/wpa.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 4d05ad9403ae..bdb53aba888e 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -203,6 +203,7 @@ 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 */
@@ -428,6 +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 &&