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authorFelix Fietkau <nbd@openwrt.org>2010-11-11 15:07:23 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-11-16 16:39:08 -0500
commit8f0729b16ae354f9db89394fc1d2d65003455d56 (patch)
tree260a562d0c0079ebfc1c507c9aa50e55a1592b6d /net
parent885a46d0f7942d76c2f3860acb45f75237d3bb42 (diff)
downloadlinux-8f0729b16ae354f9db89394fc1d2d65003455d56.tar.gz
mac80211: add support for setting the ad-hoc multicast rate
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/ibss.c1
-rw-r--r--net/mac80211/rate.c19
-rw-r--r--net/mac80211/tx.c5
3 files changed, 19 insertions, 6 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 239c4836a946..6fe6837dc134 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -915,6 +915,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
sdata->u.ibss.privacy = params->privacy;
sdata->u.ibss.basic_rates = params->basic_rates;
+ sdata->vif.bss_conf.mcast_rate = params->mcast_rate;
sdata->vif.bss_conf.beacon_int = params->beacon_interval;
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 33f76993da08..76de4f8d9327 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -211,10 +211,20 @@ static bool rc_no_data_or_no_ack(struct ieee80211_tx_rate_control *txrc)
return (info->flags & IEEE80211_TX_CTL_NO_ACK) || !ieee80211_is_data(fc);
}
-static void rc_send_low_broadcast(s8 *idx, u32 basic_rates, u8 max_rate_idx)
+static void rc_send_low_broadcast(s8 *idx, u32 basic_rates, u32 mcast_rate,
+ struct ieee80211_supported_band *sband)
{
u8 i;
+ if (mcast_rate) {
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if (sband->bitrates[i].bitrate == mcast_rate) {
+ *idx = i;
+ return;
+ }
+ }
+ }
+
if (basic_rates == 0)
return; /* assume basic rates unknown and accept rate */
if (*idx < 0)
@@ -222,7 +232,7 @@ static void rc_send_low_broadcast(s8 *idx, u32 basic_rates, u8 max_rate_idx)
if (basic_rates & (1 << *idx))
return; /* selected rate is a basic rate */
- for (i = *idx + 1; i <= max_rate_idx; i++) {
+ for (i = *idx + 1; i <= sband->n_bitrates; i++) {
if (basic_rates & (1 << i)) {
*idx = i;
return;
@@ -243,10 +253,11 @@ bool rate_control_send_low(struct ieee80211_sta *sta,
info->control.rates[0].count =
(info->flags & IEEE80211_TX_CTL_NO_ACK) ?
1 : txrc->hw->max_rate_tries;
- if (!sta && txrc->ap)
+ if (!sta && txrc->bss)
rc_send_low_broadcast(&info->control.rates[0].idx,
txrc->bss_conf->basic_rates,
- txrc->sband->n_bitrates);
+ txrc->bss_conf->mcast_rate,
+ txrc->sband);
return true;
}
return false;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index b392876af7d8..e69483647f33 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -622,7 +622,8 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
txrc.max_rate_idx = -1;
else
txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
- txrc.ap = tx->sdata->vif.type == NL80211_IFTYPE_AP;
+ txrc.bss = (tx->sdata->vif.type == NL80211_IFTYPE_AP ||
+ tx->sdata->vif.type == NL80211_IFTYPE_ADHOC);
/* set up RTS protection if desired */
if (len > tx->local->hw.wiphy->rts_threshold) {
@@ -2308,7 +2309,7 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
txrc.max_rate_idx = -1;
else
txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
- txrc.ap = true;
+ txrc.bss = true;
rate_control_get_rate(sdata, NULL, &txrc);
info->control.vif = vif;