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ath9k: simplify/fix tx packet TID handling

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mac80211 guarantees that skb->priority is set to the TID, so use it
instead of trying to parse the QoS header manually.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau
2013-12-19 18:01:51 +01:00
committed by John W. Linville
parent 63ded3f059
commit 39731b78b4
1 changed files with 1 additions and 8 deletions
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9
drivers/net/wireless/ath/ath9k/xmit.c
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@@ -174,14 +174,7 @@ static void ath_txq_skb_done(struct ath_softc *sc, struct ath_txq *txq,
static struct ath_atx_tid * static struct ath_atx_tid *
ath_get_skb_tid(struct ath_softc *sc, struct ath_node *an, struct sk_buff *skb) ath_get_skb_tid(struct ath_softc *sc, struct ath_node *an, struct sk_buff *skb)
{ {
struct ieee80211_hdr *hdr; u8 tidno = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
u8 tidno = 0;
hdr = (struct ieee80211_hdr *) skb->data;
if (ieee80211_is_data_qos(hdr->frame_control))
tidno = ieee80211_get_qos_ctl(hdr)[0];
tidno &= IEEE80211_QOS_CTL_TID_MASK;
return ATH_AN_2_TID(an, tidno); return ATH_AN_2_TID(an, tidno);
} }