From 85319f933a703a92652a8f23339f1ec1694cd594 Mon Sep 17 00:00:00 2001 From: Javier Cardona Date: Sat, 24 May 2008 10:59:49 +0100 Subject: libertas: rate adaptation configuration via iwconfig. Implemented rate adaptation support via 'iwconfig rate' API. It is now possible to specify a bit-rate value and append 'auto'. That will configure rate adaptation to use all bit-rates equal or lower than than selected value. Made lbs_cmd_802_11_rate_adapt_rateset a direct command. Signed-off-by: Javier Cardona Signed-off-by: David Woodhouse Acked-by: Dan Williams Signed-off-by: John W. Linville --- drivers/net/wireless/libertas/wext.c | 27 ++++++++++++++++++--------- 1 file changed, 18 insertions(+), 9 deletions(-) (limited to 'drivers/net/wireless/libertas/wext.c') diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c index d4b19f11b78..8b3ed77860b 100644 --- a/drivers/net/wireless/libertas/wext.c +++ b/drivers/net/wireless/libertas/wext.c @@ -1021,29 +1021,38 @@ static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info, lbs_deb_enter(LBS_DEB_WEXT); lbs_deb_wext("vwrq->value %d\n", vwrq->value); + lbs_deb_wext("vwrq->fixed %d\n", vwrq->fixed); + + if (vwrq->fixed && vwrq->value == -1) + goto out; /* Auto rate? */ - if (vwrq->value == -1) { - priv->auto_rate = 1; + priv->enablehwauto = !vwrq->fixed; + + if (vwrq->value == -1) priv->cur_rate = 0; - } else { + else { if (vwrq->value % 100000) goto out; + new_rate = vwrq->value / 500000; + priv->cur_rate = new_rate; + /* the rest is only needed for lbs_set_data_rate() */ memset(rates, 0, sizeof(rates)); copy_active_data_rates(priv, rates); - new_rate = vwrq->value / 500000; if (!memchr(rates, new_rate, sizeof(rates))) { lbs_pr_alert("fixed data rate 0x%X out of range\n", new_rate); goto out; } - - priv->cur_rate = new_rate; - priv->auto_rate = 0; } - ret = lbs_set_data_rate(priv, new_rate); + /* Try the newer command first (Firmware Spec 5.1 and above) */ + ret = lbs_cmd_802_11_rate_adapt_rateset(priv, CMD_ACT_SET); + + /* Fallback to older version */ + if (ret) + ret = lbs_set_data_rate(priv, new_rate); out: lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); @@ -1060,7 +1069,7 @@ static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info, if (priv->connect_status == LBS_CONNECTED) { vwrq->value = priv->cur_rate * 500000; - if (priv->auto_rate) + if (priv->enablehwauto) vwrq->fixed = 0; else vwrq->fixed = 1; -- cgit v1.2.3