diff options
| author | Bob Copeland | 2009-01-22 14:44:21 +0100 |
|---|---|---|
| committer | John W. Linville | 2009-01-29 22:01:13 +0100 |
| commit | 07c1e852514e862e246b9f2962ce8fc0d7ac8ed1 (patch) | |
| tree | ae8f097e73213a6c5a072978dda13a37d8028708 /drivers/net/wireless/ath5k | |
| parent | ath5k: use short preamble when possible (diff) | |
| download | kernel-qcow2-linux-07c1e852514e862e246b9f2962ce8fc0d7ac8ed1.tar.gz kernel-qcow2-linux-07c1e852514e862e246b9f2962ce8fc0d7ac8ed1.tar.xz kernel-qcow2-linux-07c1e852514e862e246b9f2962ce8fc0d7ac8ed1.zip | |
ath5k: honor the RTS/CTS bits
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@bobcopeland.com>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath5k')
| -rw-r--r-- | 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 fc0ff713401c..fa39f21c36c3 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -1180,6 +1180,8 @@ 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; @@ -1199,6 +1201,19 @@ 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; @@ -1207,7 +1222,8 @@ 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; |