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ath10k: fix 4addr rx 

The nwifi header is padded to 4 bytes. This wasn't
a problem until one tried to (at least) rx 4addr
frames.

This finally allows managed iface to be used in a
bridge.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior 2014-02-25 09:29:57 +02:00 committed by Kalle Valo
parent 9ba4c787aa
commit d960c369c8
1 changed files with 8 additions and 2 deletions
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10
drivers/net/wireless/ath/ath10k/htt_rx.c
View File

@ -632,6 +632,12 @@ struct amsdu_subframe_hdr {
__be16 len;
} __packed;
static int ath10k_htt_rx_nwifi_hdrlen(struct ieee80211_hdr *hdr)
{
/* nwifi header is padded to 4 bytes. this fixes 4addr rx */
return round_up(ieee80211_hdrlen(hdr->frame_control), 4);
}
static void ath10k_htt_rx_amsdu(struct ath10k_htt *htt,
struct htt_rx_info *info)
{
@ -681,7 +687,7 @@ static void ath10k_htt_rx_amsdu(struct ath10k_htt *htt,
case RX_MSDU_DECAP_NATIVE_WIFI:
/* pull decapped header and copy DA */
hdr = (struct ieee80211_hdr *)skb->data;
hdr_len = ieee80211_hdrlen(hdr->frame_control);
hdr_len = ath10k_htt_rx_nwifi_hdrlen(hdr);
memcpy(addr, ieee80211_get_DA(hdr), ETH_ALEN);
skb_pull(skb, hdr_len);
@ -768,7 +774,7 @@ static void ath10k_htt_rx_msdu(struct ath10k_htt *htt, struct htt_rx_info *info)
case RX_MSDU_DECAP_NATIVE_WIFI:
/* Pull decapped header */
hdr = (struct ieee80211_hdr *)skb->data;
hdr_len = ieee80211_hdrlen(hdr->frame_control);
hdr_len = ath10k_htt_rx_nwifi_hdrlen(hdr);
skb_pull(skb, hdr_len);
/* Push original header */