mac80211: Fix rate reporting regression
Mattias Nissler's "clean up rate selection" patch incorrectly changes
the behavior of txrate setting in sta_info. This patch backs out parts
of the rate selection consolidation in order to fix this issue for now.
Signed-off-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/rc80211_simple.c b/net/mac80211/rc80211_simple.c
index 33de6f9..934676d 100644
--- a/net/mac80211/rc80211_simple.c
+++ b/net/mac80211/rc80211_simple.c
@@ -207,21 +207,36 @@
{
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ struct ieee80211_sub_if_data *sdata;
struct sta_info *sta;
int rateidx;
+ u16 fc;
sta = sta_info_get(local, hdr->addr1);
- if (!sta) {
- sel->rate = rate_lowest(local, mode, NULL);
+ /* Send management frames and broadcast/multicast data using lowest
+ * rate. */
+ fc = le16_to_cpu(hdr->frame_control);
+ if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
+ is_multicast_ether_addr(hdr->addr1) || !sta) {
+ sel->rate = rate_lowest(local, mode, sta);
+ if (sta)
+ sta_info_put(sta);
return;
}
+ /* If a forced rate is in effect, select it. */
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ if (sdata->bss && sdata->bss->force_unicast_rateidx > -1)
+ sta->txrate = sdata->bss->force_unicast_rateidx;
+
rateidx = sta->txrate;
if (rateidx >= mode->num_rates)
rateidx = mode->num_rates - 1;
+ sta->last_txrate = rateidx;
+
sta_info_put(sta);
sel->rate = &mode->rates[rateidx];