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Diffstat (limited to 'net/mac80211/rate.c')
-rw-r--r--net/mac80211/rate.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 76de4f8d9327..3d5a2cb835c4 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -211,20 +211,11 @@ static bool rc_no_data_or_no_ack(struct ieee80211_tx_rate_control *txrc)
211 return (info->flags & IEEE80211_TX_CTL_NO_ACK) || !ieee80211_is_data(fc); 211 return (info->flags & IEEE80211_TX_CTL_NO_ACK) || !ieee80211_is_data(fc);
212} 212}
213 213
214static void rc_send_low_broadcast(s8 *idx, u32 basic_rates, u32 mcast_rate, 214static void rc_send_low_broadcast(s8 *idx, u32 basic_rates,
215 struct ieee80211_supported_band *sband) 215 struct ieee80211_supported_band *sband)
216{ 216{
217 u8 i; 217 u8 i;
218 218
219 if (mcast_rate) {
220 for (i = 0; i < sband->n_bitrates; i++) {
221 if (sband->bitrates[i].bitrate == mcast_rate) {
222 *idx = i;
223 return;
224 }
225 }
226 }
227
228 if (basic_rates == 0) 219 if (basic_rates == 0)
229 return; /* assume basic rates unknown and accept rate */ 220 return; /* assume basic rates unknown and accept rate */
230 if (*idx < 0) 221 if (*idx < 0)
@@ -247,17 +238,25 @@ bool rate_control_send_low(struct ieee80211_sta *sta,
247 struct ieee80211_tx_rate_control *txrc) 238 struct ieee80211_tx_rate_control *txrc)
248{ 239{
249 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb); 240 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(txrc->skb);
241 struct ieee80211_supported_band *sband = txrc->sband;
242 int mcast_rate;
250 243
251 if (!sta || !priv_sta || rc_no_data_or_no_ack(txrc)) { 244 if (!sta || !priv_sta || rc_no_data_or_no_ack(txrc)) {
252 info->control.rates[0].idx = rate_lowest_index(txrc->sband, sta); 245 info->control.rates[0].idx = rate_lowest_index(txrc->sband, sta);
253 info->control.rates[0].count = 246 info->control.rates[0].count =
254 (info->flags & IEEE80211_TX_CTL_NO_ACK) ? 247 (info->flags & IEEE80211_TX_CTL_NO_ACK) ?
255 1 : txrc->hw->max_rate_tries; 248 1 : txrc->hw->max_rate_tries;
256 if (!sta && txrc->bss) 249 if (!sta && txrc->bss) {
250 mcast_rate = txrc->bss_conf->mcast_rate[sband->band];
251 if (mcast_rate > 0) {
252 info->control.rates[0].idx = mcast_rate - 1;
253 return true;
254 }
255
257 rc_send_low_broadcast(&info->control.rates[0].idx, 256 rc_send_low_broadcast(&info->control.rates[0].idx,
258 txrc->bss_conf->basic_rates, 257 txrc->bss_conf->basic_rates,
259 txrc->bss_conf->mcast_rate, 258 sband);
260 txrc->sband); 259 }
261 return true; 260 return true;
262 } 261 }
263 return false; 262 return false;