ath9k: remove bfs_tidno from struct ath_buf_state

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 3b52577..905d3c4 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -105,7 +105,6 @@ enum buffer_type {
 #define bf_al                  bf_state.bfs_al
 #define bf_frmlen              bf_state.bfs_frmlen
 #define bf_retries             bf_state.bfs_retries
-#define bf_tidno               bf_state.bfs_tidno
 #define bf_keyix                bf_state.bfs_keyix
 #define bf_keytype             bf_state.bfs_keytype
 #define bf_isht(bf)            (bf->bf_state.bf_type & BUF_HT)
@@ -220,7 +219,6 @@ struct ath_buf_state {
        int bfs_nframes;
        u16 bfs_al;
        u16 bfs_frmlen;
-       int bfs_tidno;
        int bfs_retries;
        u8 bf_type;
        u8 bfs_paprd;

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index e84c9c2..c7097a5 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -323,6 +323,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
        struct ieee80211_tx_rate rates[4];
        u16 bf_seqno;
        int nframes;
+       u8 tidno;
 
        skb = bf->bf_mpdu;
        hdr = (struct ieee80211_hdr *)skb->data;
@@ -358,14 +359,15 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
        }
 
        an = (struct ath_node *)sta->drv_priv;
-       tid = ATH_AN_2_TID(an, bf->bf_tidno);
+       tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
+       tid = ATH_AN_2_TID(an, tidno);
 
        /*
         * The hardware occasionally sends a tx status for the wrong TID.
         * In this case, the BA status cannot be considered valid and all
         * subframes need to be retransmitted
         */
-       if (bf->bf_tidno != ts->tid)
+       if (tidno != ts->tid)
                txok = false;
 
        isaggr = bf_isaggr(bf);
@@ -1386,7 +1388,7 @@ static void assign_aggr_tid_seqno(struct sk_buff *skb,
        struct ath_node *an;
        struct ath_atx_tid *tid;
        __le16 fc;
-       u8 *qc;
+       u8 tidno;
 
        if (!tx_info->control.sta)
                return;
@@ -1394,18 +1396,13 @@ static void assign_aggr_tid_seqno(struct sk_buff *skb,
        an = (struct ath_node *)tx_info->control.sta->drv_priv;
        hdr = (struct ieee80211_hdr *)skb->data;
        fc = hdr->frame_control;
-
-       if (ieee80211_is_data_qos(fc)) {
-               qc = ieee80211_get_qos_ctl(hdr);
-               bf->bf_tidno = qc[0] & 0xf;
-       }
+       tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
 
        /*
-        * For HT capable stations, we save tidno for later use.
-        * We also override seqno set by upper layer with the one
+        * Override seqno set by upper layer with the one
         * in tx aggregation state.
         */
-       tid = ATH_AN_2_TID(an, bf->bf_tidno);
+       tid = ATH_AN_2_TID(an, tidno);
        hdr->seq_ctrl = cpu_to_le16(tid->seq_next << IEEE80211_SEQ_SEQ_SHIFT);
        INCR(tid->seq_next, IEEE80211_SEQ_MAX);
 }
@@ -1647,6 +1644,7 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf,
        struct ath_hw *ah = sc->sc_ah;
        int frm_type;
        __le16 fc;
+       u8 tidno;
 
        frm_type = get_hw_packet_type(skb);
        fc = hdr->frame_control;
@@ -1673,7 +1671,10 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf,
        if (bf_isht(bf) && (sc->sc_flags & SC_OP_TXAGGR) &&
            tx_info->control.sta) {
                an = (struct ath_node *)tx_info->control.sta->drv_priv;
-               tid = ATH_AN_2_TID(an, bf->bf_tidno);
+               tidno = ieee80211_get_qos_ctl(hdr)[0] &
+                       IEEE80211_QOS_CTL_TID_MASK;
+               tid = ATH_AN_2_TID(an, tidno);
+
 
                WARN_ON(tid->ac->txq != txctl->txq);
                if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) {