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authorFelix Fietkau <nbd@openwrt.org>2010-06-12 00:34:01 -0400
committerJohn W. Linville <linville@tuxdriver.com>2010-06-14 15:39:32 -0400
commit9f42c2b667691f6ad29842302c66c864e7eb326c (patch)
tree10a411c5704e79dae091431b2176764d09951807 /drivers/net/wireless/ath/ath9k/xmit.c
parent717f6bedcd2d3d39624437e1de7067c90ec931f0 (diff)
ath9k: implement PA predistortion support
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 875b8b47fefe..20221b8c04fd 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1637,12 +1637,13 @@ 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 (!txctl->paprd && 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_state.bfs_paprd = txctl->paprd;
bf->bf_flags = setup_tx_flags(skb, use_ldpc);
bf->bf_keytype = get_hw_crypto_keytype(skb);
@@ -1717,6 +1718,9 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf,
bf->bf_buf_addr,
txctl->txq->axq_qnum);
+ if (bf->bf_state.bfs_paprd)
+ ar9003_hw_set_paprd_txdesc(ah, ds, bf->bf_state.bfs_paprd);
+
spin_lock_bh(&txctl->txq->axq_lock);
if (bf_isht(bf) && (sc->sc_flags & SC_OP_TXAGGR) &&
@@ -1938,8 +1942,14 @@ static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
}
dma_unmap_single(sc->dev, bf->bf_dmacontext, skb->len, DMA_TO_DEVICE);
- ath_tx_complete(sc, skb, bf->aphy, tx_flags);
- ath_debug_stat_tx(sc, txq, bf, ts);
+
+ if (bf->bf_state.bfs_paprd) {
+ sc->paprd_txok = txok;
+ complete(&sc->paprd_complete);
+ } else {
+ ath_tx_complete(sc, skb, bf->aphy, tx_flags);
+ ath_debug_stat_tx(sc, txq, bf, ts);
+ }
/*
* Return the list of ath_buf of this mpdu to free queue