xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ath9k: implement PA predistortion support

Browse Source 
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>
This commit is contained in:
Felix Fietkau
2010-06-12 00:34:01 -04:00
committed by John W. Linville
parent 717f6bedcd
commit 9f42c2b667
4 changed files with 137 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/net/wireless/ath/ath9k/xmit.c
View File

@@ -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