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authorMichal Kazior <michal.kazior@tieto.com>2014-07-28 23:59:42 +0300
committerKalle Valo <kvalo@qca.qualcomm.com>2014-07-29 12:43:37 +0300
commit72bdeb86552f8d992aa854af4e320401d8dd5cb5 (patch)
treedcb4f2b4afece8a808fc589e8d02eced478add87
parent24c88f7807fb7c723690474d0a5d3441468185d9 (diff)
ath10k: fix aggregated 4addr Rx
A-MSDU 4addr frames weren't reconstructed properly and in some cases this resulted in a warning: br0: received packet on wlan0.sta1 with own address as source address Since this was only related to A-MSDU it would trigger when more intense traffic was generated. Reported-by: Vu Hai NGUYEN <vh.nguyen@actiasodielec.fr> Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
-rw-r--r--drivers/net/wireless/ath/ath10k/htt_rx.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 80cdac15588a..e31d93e3e98b 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -866,7 +866,7 @@ static void ath10k_htt_rx_amsdu(struct ath10k_htt *htt,
enum rx_msdu_decap_format fmt;
enum htt_rx_mpdu_encrypt_type enctype;
struct ieee80211_hdr *hdr;
- u8 hdr_buf[64], addr[ETH_ALEN], *qos;
+ u8 hdr_buf[64], da[ETH_ALEN], sa[ETH_ALEN], *qos;
unsigned int hdr_len;
rxd = (void *)skb->data - sizeof(*rxd);
@@ -904,10 +904,11 @@ static void ath10k_htt_rx_amsdu(struct ath10k_htt *htt,
skb_trim(skb, skb->len - FCS_LEN);
break;
case RX_MSDU_DECAP_NATIVE_WIFI:
- /* pull decapped header and copy DA */
+ /* pull decapped header and copy SA & DA */
hdr = (struct ieee80211_hdr *)skb->data;
hdr_len = ath10k_htt_rx_nwifi_hdrlen(hdr);
- memcpy(addr, ieee80211_get_DA(hdr), ETH_ALEN);
+ memcpy(da, ieee80211_get_DA(hdr), ETH_ALEN);
+ memcpy(sa, ieee80211_get_SA(hdr), ETH_ALEN);
skb_pull(skb, hdr_len);
/* push original 802.11 header */
@@ -921,8 +922,11 @@ static void ath10k_htt_rx_amsdu(struct ath10k_htt *htt,
qos = ieee80211_get_qos_ctl(hdr);
qos[0] &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT;
- /* original 802.11 header has a different DA */
- memcpy(ieee80211_get_DA(hdr), addr, ETH_ALEN);
+ /* original 802.11 header has a different DA and in
+ * case of 4addr it may also have different SA
+ */
+ memcpy(ieee80211_get_DA(hdr), da, ETH_ALEN);
+ memcpy(ieee80211_get_SA(hdr), sa, ETH_ALEN);
break;
case RX_MSDU_DECAP_ETHERNET2_DIX:
/* strip ethernet header and insert decapped 802.11