From: Bob Copeland Date: Thu, 22 Jan 2009 13:44:20 +0000 (-0500) Subject: ath5k: use short preamble when possible X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8902ff4e5666c04ca5829c9fd7fc28d73e81ee90;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git ath5k: use short preamble when possible ath5k previously ignored TX_RC_SHORT_PREAMBLE and did not use config->use_short_preamble, so the long preamble was always used for transmitted packets. Changes-licensed-under: 3-Clause-BSD Signed-off-by: Bob Copeland Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index 747b49682c5d..fc0ff713401c 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -1179,6 +1179,8 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf) struct ieee80211_rate *rate; unsigned int mrr_rate[3], mrr_tries[3]; int i, ret; + u16 hw_rate; + u8 rc_flags; flags = AR5K_TXDESC_INTREQ | AR5K_TXDESC_CLRDMASK; @@ -1186,9 +1188,15 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf) bf->skbaddr = pci_map_single(sc->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); + rate = ieee80211_get_tx_rate(sc->hw, info); + if (info->flags & IEEE80211_TX_CTL_NO_ACK) flags |= AR5K_TXDESC_NOACK; + rc_flags = info->control.rates[0].flags; + hw_rate = (rc_flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) ? + rate->hw_value_short : rate->hw_value; + pktlen = skb->len; if (info->control.hw_key) { @@ -1198,7 +1206,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf) ret = ah->ah_setup_tx_desc(ah, ds, pktlen, ieee80211_get_hdrlen_from_skb(skb), AR5K_PKT_TYPE_NORMAL, (sc->power_level * 2), - ieee80211_get_tx_rate(sc->hw, info)->hw_value, + hw_rate, info->control.rates[0].count, keyidx, 0, flags, 0, 0); if (ret) goto err_unmap;