ath9k: add LDPC support

[net-next-2.6.git] / drivers / net / wireless / ath / ath9k / xmit.c

diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index c2b45030d0b4f4ef0ec9facba482020c66d6bdb5..90e629f276f3714f1c014b1ec5a15742eb7db779 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1483,8 +1483,7 @@ static void assign_aggr_tid_seqno(struct sk_buff *skb,
        INCR(tid->seq_next, IEEE80211_SEQ_MAX);
 }
 
-static int setup_tx_flags(struct ath_softc *sc, struct sk_buff *skb,
-                         struct ath_txq *txq)
+static int setup_tx_flags(struct sk_buff *skb, bool use_ldpc)
 {
        struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
        int flags = 0;
@@ -1495,6 +1494,9 @@ static int setup_tx_flags(struct ath_softc *sc, struct sk_buff *skb,
        if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK)
                flags |= ATH9K_TXDESC_NOACK;
 
+       if (use_ldpc)
+               flags |= ATH9K_TXDESC_LDPC;
+
        return flags;
 }
 
@@ -1646,6 +1648,7 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
        int hdrlen;
        __le16 fc;
        int padpos, padsize;
+       bool use_ldpc = false;
 
        tx_info->pad[0] = 0;
        switch (txctl->frame_type) {
@@ -1672,10 +1675,13 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
                bf->bf_frmlen -= padsize;
        }
 
-       if (conf_is_ht(&hw->conf))
+       if (conf_is_ht(&hw->conf)) {
                bf->bf_state.bf_type |= BUF_HT;
+               if (tx_info->flags & IEEE80211_TX_CTL_LDPC)
+                       use_ldpc = true;
+       }
 
-       bf->bf_flags = setup_tx_flags(sc, skb, txctl->txq);
+       bf->bf_flags = setup_tx_flags(skb, use_ldpc);
 
        bf->bf_keytype = get_hw_crypto_keytype(skb);
        if (bf->bf_keytype != ATH9K_KEY_TYPE_CLEAR) {