mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-26 08:51:13 +00:00
158 lines
4.7 KiB
Diff
158 lines
4.7 KiB
Diff
--- a/include/net/cfg80211.h
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+++ b/include/net/cfg80211.h
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@@ -924,7 +924,7 @@ struct cfg80211_disassoc_request {
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* @privacy: this is a protected network, keys will be configured
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* after joining
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* @basic_rates: bitmap of basic rates to use when creating the IBSS
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- * @mcast_rate: multicast tx rate (in 100 kbps)
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+ * @mcast_rate: per-band multicast rate index + 1 (0: disabled)
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*/
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struct cfg80211_ibss_params {
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u8 *ssid;
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@@ -936,7 +936,7 @@ struct cfg80211_ibss_params {
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u32 basic_rates;
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bool channel_fixed;
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bool privacy;
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- int mcast_rate;
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+ int mcast_rate[IEEE80211_NUM_BANDS];
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};
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/**
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--- a/include/net/mac80211.h
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+++ b/include/net/mac80211.h
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@@ -219,7 +219,7 @@ enum ieee80211_bss_change {
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* @basic_rates: bitmap of basic rates, each bit stands for an
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* index into the rate table configured by the driver in
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* the current band.
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- * @mcast_rate: multicast rate for AP and Ad-Hoc (in 100 kbps)
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+ * @mcast_rate: per-band multicast rate index + 1 (0: disabled)
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* @bssid: The BSSID for this BSS
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* @enable_beacon: whether beaconing should be enabled or not
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* @channel_type: Channel type for this BSS -- the hardware might be
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@@ -259,7 +259,7 @@ struct ieee80211_bss_conf {
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u16 assoc_capability;
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u64 timestamp;
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u32 basic_rates;
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- u32 mcast_rate;
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+ int mcast_rate[IEEE80211_NUM_BANDS];
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u16 ht_operation_mode;
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s32 cqm_rssi_thold;
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u32 cqm_rssi_hyst;
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--- a/net/mac80211/ibss.c
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+++ b/net/mac80211/ibss.c
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@@ -915,7 +915,8 @@ int ieee80211_ibss_join(struct ieee80211
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sdata->u.ibss.privacy = params->privacy;
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sdata->u.ibss.basic_rates = params->basic_rates;
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- sdata->vif.bss_conf.mcast_rate = params->mcast_rate;
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+ memcpy(sdata->vif.bss_conf.mcast_rate, params->mcast_rate,
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+ sizeof(params->mcast_rate));
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sdata->vif.bss_conf.beacon_int = params->beacon_interval;
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--- a/net/mac80211/rate.c
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+++ b/net/mac80211/rate.c
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@@ -211,20 +211,11 @@ static bool rc_no_data_or_no_ack(struct
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return (info->flags & IEEE80211_TX_CTL_NO_ACK) || !ieee80211_is_data(fc);
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}
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-static void rc_send_low_broadcast(s8 *idx, u32 basic_rates, u32 mcast_rate,
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+static void rc_send_low_broadcast(s8 *idx, u32 basic_rates,
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struct ieee80211_supported_band *sband)
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{
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u8 i;
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- if (mcast_rate) {
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- for (i = 0; i < sband->n_bitrates; i++) {
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- if (sband->bitrates[i].bitrate == mcast_rate) {
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- *idx = i;
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- return;
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- }
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- }
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- }
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-
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if (basic_rates == 0)
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return; /* assume basic rates unknown and accept rate */
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if (*idx < 0)
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@@ -247,17 +238,25 @@ bool rate_control_send_low(struct ieee80
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struct ieee80211_tx_rate_control *txrc)
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{
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb);
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+ struct ieee80211_supported_band *sband = txrc->sband;
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+ int mcast_rate;
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if (!sta || !priv_sta || rc_no_data_or_no_ack(txrc)) {
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info->control.rates[0].idx = rate_lowest_index(txrc->sband, sta);
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info->control.rates[0].count =
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(info->flags & IEEE80211_TX_CTL_NO_ACK) ?
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1 : txrc->hw->max_rate_tries;
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- if (!sta && txrc->bss)
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+ if (!sta && txrc->bss) {
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+ mcast_rate = txrc->bss_conf->mcast_rate[sband->band];
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+ if (mcast_rate > 0) {
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+ info->control.rates[0].idx = mcast_rate - 1;
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+ return true;
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+ }
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+
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rc_send_low_broadcast(&info->control.rates[0].idx,
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txrc->bss_conf->basic_rates,
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- txrc->bss_conf->mcast_rate,
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- txrc->sband);
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+ sband);
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+ }
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return true;
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}
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return false;
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--- a/net/wireless/nl80211.c
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+++ b/net/wireless/nl80211.c
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@@ -3600,6 +3600,34 @@ static int nl80211_disassociate(struct s
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local_state_change);
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}
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+static bool
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+nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev,
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+ int mcast_rate[IEEE80211_NUM_BANDS],
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+ int rateval)
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+{
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+ struct wiphy *wiphy = &rdev->wiphy;
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+ bool found = false;
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+ int band, i;
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+
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+ for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
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+ struct ieee80211_supported_band *sband;
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+
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+ sband = wiphy->bands[band];
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+ if (!sband)
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+ continue;
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+
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+ for (i = 0; i < sband->n_bitrates; i++) {
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+ if (sband->bitrates[i].bitrate == rateval) {
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+ mcast_rate[band] = i + 1;
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+ found = true;
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+ break;
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+ }
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+ }
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+ }
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+
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+ return found;
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+}
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+
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static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
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{
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struct cfg80211_registered_device *rdev = info->user_ptr[0];
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@@ -3683,9 +3711,11 @@ static int nl80211_join_ibss(struct sk_b
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return -EINVAL;
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}
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}
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- if (info->attrs[NL80211_ATTR_MCAST_RATE])
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- ibss.mcast_rate =
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- nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]);
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+
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+ if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
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+ !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
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+ nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))
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+ return -EINVAL;
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if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) {
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connkeys = nl80211_parse_connkeys(rdev,
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