2009/1/22 Bob Copeland <me@xxxxxxxxxxxxxxx>:
> The ath5k driver didn't use set_rts_threshold or use_cts_prot, and also
> didn't check the IEEE80211_TX_RC_USE_{RTS_CTS,CTS_PROTECT} RC flags.
> Tell the hardware about these so RTS/CTS will work, and so the device
> will work better in mixed b/g environments.
>
> Changes-licensed-under: 3-Clause-BSD
>
> Signed-off-by: Bob Copeland <me@xxxxxxxxxxxxxxx>
> ---
> drivers/net/wireless/ath5k/base.c | 18 +++++++++++++++++-
> 1 files changed, 17 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
> index 85f7f07..57971a9 100644
> --- a/drivers/net/wireless/ath5k/base.c
> +++ b/drivers/net/wireless/ath5k/base.c
> @@ -1182,6 +1182,8 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
> unsigned int mrr_rate[3], mrr_tries[3];
> int i, ret;
> u16 hw_rate;
> + u16 cts_rate = 0;
> + u16 duration = 0;
> u8 rc_flags;
>
> flags = AR5K_TXDESC_INTREQ | AR5K_TXDESC_CLRDMASK;
> @@ -1201,6 +1203,19 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
>
> pktlen = skb->len;
>
> + if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
> + flags |= AR5K_TXDESC_RTSENA;
> + cts_rate = ieee80211_get_rts_cts_rate(sc->hw, info)->hw_value;
> + duration = le16_to_cpu(ieee80211_rts_duration(sc->hw,
> + sc->vif, pktlen, info));
> + }
> + if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
> + flags |= AR5K_TXDESC_CTSENA;
> + cts_rate = ieee80211_get_rts_cts_rate(sc->hw, info)->hw_value;
> + duration = le16_to_cpu(ieee80211_ctstoself_duration(sc->hw,
> + sc->vif, pktlen, info));
> + }
> +
> if (info->control.hw_key) {
> keyidx = info->control.hw_key->hw_key_idx;
> pktlen += info->control.hw_key->icv_len;
> @@ -1209,7 +1224,8 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
> ieee80211_get_hdrlen_from_skb(skb), AR5K_PKT_TYPE_NORMAL,
> (sc->power_level * 2),
> hw_rate,
> - info->control.rates[0].count, keyidx, 0, flags, 0, 0);
> + info->control.rates[0].count, keyidx, 0, flags,
> + cts_rate, duration);
> if (ret)
> goto err_unmap;
>
Acked-by: Nick Kossifidis <mickflemm@xxxxxxxxx>
--
GPG ID: 0xD21DB2DB
As you read this post global entropy rises. Have Fun ;-)
Nick
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