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authorYogesh Ashok Powar <yogeshp@marvell.com>2011-05-13 11:22:31 -0700
committerJohn W. Linville <linville@tuxdriver.com>2011-05-16 14:10:50 -0400
commit8b3becadc82de3b87a5c196239db3fef6caa9c82 (patch)
treed71a3c7e29d30c92c4b677257c289ca63b4e65f3 /net/wireless
parent57cf8043a64b56a10b9f194572548a3dfb62e596 (diff)
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cfg80211: make stripping of 802.11 header optional from AMSDU
Currently the devices that have already stripped IEEE 802.11 header from the AMSDU SKB can not use ieee80211_amsdu_to_8023s routine. This patch enhances ieee80211_amsdu_to_8023s() API by changing mandatory removing of IEEE 802.11 header from AMSDU to optional. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/util.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 95e4e254da0a..f0536d44d43c 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -544,7 +544,8 @@ EXPORT_SYMBOL(ieee80211_data_from_8023);
void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
const u8 *addr, enum nl80211_iftype iftype,
- const unsigned int extra_headroom)
+ const unsigned int extra_headroom,
+ bool has_80211_header)
{
struct sk_buff *frame = NULL;
u16 ethertype;
@@ -553,14 +554,18 @@ void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
int remaining, err;
u8 dst[ETH_ALEN], src[ETH_ALEN];
- err = ieee80211_data_to_8023(skb, addr, iftype);
- if (err)
- goto out;
+ if (has_80211_header) {
+ err = ieee80211_data_to_8023(skb, addr, iftype);
+ if (err)
+ goto out;
- /* skip the wrapping header */
- eth = (struct ethhdr *) skb_pull(skb, sizeof(struct ethhdr));
- if (!eth)
- goto out;
+ /* skip the wrapping header */
+ eth = (struct ethhdr *) skb_pull(skb, sizeof(struct ethhdr));
+ if (!eth)
+ goto out;
+ } else {
+ eth = (struct ethhdr *) skb->data;
+ }
while (skb != frame) {
u8 padding;