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authorMichal Kazior <michal.kazior@tieto.com>2014-02-25 09:29:57 +0200
committerKalle Valo <kvalo@qca.qualcomm.com>2014-02-26 18:37:38 +0200
commitd960c369c8adddf79b0188aad1dbdafa22f68d97 (patch)
tree3c5f7e07ef927016686991d4a408b0fbd3215767 /drivers/net/wireless/ath/ath10k/htt_rx.c
parent9ba4c787aac4923855fac596cebb2b8c42e488fb (diff)
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>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htt_rx.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/htt_rx.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 4767c24bf81..040a8541859 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -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 */