diff options
| author | Felix Fietkau <nbd@nbd.name> | 2018-02-27 13:03:07 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2018-02-27 13:30:53 +0100 |
| commit | 24bba078eca099b5bd25e17e97b485f013589f8c (patch) | |
| tree | 6bbd78f55edfdc9aa755fbc8d31eb152f042297d /net/wireless/util.c | |
| parent | 21b7022f13fb038b3e204a892c7cc42749754f7f (diff) | |
| download | linux-24bba078eca099b5bd25e17e97b485f013589f8c.tar.bz2 | |
mac80211: support A-MSDU in fast-rx
Only works if the IV was stripped from packets. Create a smaller
variant of ieee80211_rx_h_amsdu, which bypasses checks already done
within the fast-rx context.
In order to do so, update cfg80211's ieee80211_data_to_8023_exthdr()
to take the offset between header and snap.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/util.c')
| -rw-r--r-- | net/wireless/util.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c index c69160694b6c..d112e9a89364 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -420,7 +420,8 @@ unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr) EXPORT_SYMBOL(ieee80211_get_mesh_hdrlen); int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr, - const u8 *addr, enum nl80211_iftype iftype) + const u8 *addr, enum nl80211_iftype iftype, + u8 data_offset) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; struct { @@ -434,7 +435,7 @@ int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr, if (unlikely(!ieee80211_is_data_present(hdr->frame_control))) return -1; - hdrlen = ieee80211_hdrlen(hdr->frame_control); + hdrlen = ieee80211_hdrlen(hdr->frame_control) + data_offset; if (skb->len < hdrlen + 8) return -1; |