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openwrt-xburst/package/mac80211/patches/581-mac80211_ibss_mcast_rate.patch

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--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -914,6 +914,7 @@ int ieee80211_ibss_join(struct ieee80211
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;
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -244,6 +244,7 @@ struct ieee80211_bss_conf {
u16 assoc_capability;
u64 timestamp;
u32 basic_rates;
+ u32 mcast_rate;
u16 ht_operation_mode;
s32 cqm_rssi_thold;
u32 cqm_rssi_hyst;
@@ -2644,7 +2645,7 @@ enum rate_control_changed {
* @rate_idx_mask: user-requested rate mask (not MCS for now)
* @skb: the skb that will be transmitted, the control information in it needs
* to be filled in
- * @ap: whether this frame is sent out in AP mode
+ * @bss: whether this frame is sent out in AP or IBSS mode
*/
struct ieee80211_tx_rate_control {
struct ieee80211_hw *hw;
@@ -2655,7 +2656,7 @@ struct ieee80211_tx_rate_control {
bool rts, short_preamble;
u8 max_rate_idx;
u32 rate_idx_mask;
- bool ap;
+ bool bss;
};
struct rate_control_ops {
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -210,10 +210,20 @@ static bool rc_no_data_or_no_ack(struct
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)
@@ -221,7 +231,7 @@ static void rc_send_low_broadcast(s8 *id
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;
@@ -242,10 +252,11 @@ bool rate_control_send_low(struct ieee80
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;
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -622,7 +622,8 @@ ieee80211_tx_h_rate_ctrl(struct ieee8021
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) {
@@ -2312,7 +2313,7 @@ struct sk_buff *ieee80211_beacon_get_tim
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;