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authorJavier Cardona <javier@cozybit.com>2009-08-10 12:15:49 -0700
committerJohn W. Linville <linville@tuxdriver.com>2009-08-14 09:14:00 -0400
commitd403a1c66ea1fb47ae61921eac278d4154f7ca8a (patch)
tree4389e65e85eb50524fdd3ae80fa2e172d9903bfe /net/mac80211
parent3c5772a5279de9eadfff7adb5ddea08106495fff (diff)
mac80211: Update the station failed frames average when minstrel is used.
The fail_avg value is used to compute the mesh metric, and was only being set by the pid rate control module. This fixes the mesh path selection mechanism for cards that use mistrel for rate control. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/rc80211_minstrel.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 7c5142988bb..3ea9740736a 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -155,12 +155,16 @@ minstrel_tx_status(void *priv, struct ieee80211_supported_band *sband,
struct sk_buff *skb)
{
struct minstrel_sta_info *mi = priv_sta;
+ struct minstrel_priv *mp = (struct minstrel_priv *)priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_tx_rate *ar = info->status.rates;
+ struct ieee80211_local *local = hw_to_local(mp->hw);
+ struct sta_info *si;
int i, ndx;
int success;
success = !!(info->flags & IEEE80211_TX_STAT_ACK);
+ si = sta_info_get(local, sta->addr);
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
if (ar[i].idx < 0)
@@ -172,8 +176,12 @@ minstrel_tx_status(void *priv, struct ieee80211_supported_band *sband,
mi->r[ndx].attempts += ar[i].count;
- if ((i != IEEE80211_TX_MAX_RATES - 1) && (ar[i + 1].idx < 0))
+ if ((i != IEEE80211_TX_MAX_RATES - 1) && (ar[i + 1].idx < 0)) {
mi->r[ndx].success += success;
+ if (si)
+ si->fail_avg = (18050 - mi->r[ndx].probability)
+ / 180;
+ }
}
if ((info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) && (i >= 0))