diff options
Diffstat (limited to 'package/mac80211/patches/300-minstrel_no_mrr.patch')
| -rw-r--r-- | package/mac80211/patches/300-minstrel_no_mrr.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/package/mac80211/patches/300-minstrel_no_mrr.patch b/package/mac80211/patches/300-minstrel_no_mrr.patch new file mode 100644 index 000000000..d4c04c4d8 --- /dev/null +++ b/package/mac80211/patches/300-minstrel_no_mrr.patch @@ -0,0 +1,31 @@ +This fixes tx status processing for drivers that do not support mrr. +If the retry count is bigger than the maximum retry count configured in +the hardware, do not count the rate attempt as successful, the hardware +has probably switched to a lower rate. + +Signed-off-by: Felix Fietkau <nbd@openwrt.org> + +--- a/net/mac80211/rc80211_minstrel.c ++++ b/net/mac80211/rc80211_minstrel.c +@@ -171,6 +171,7 @@ minstrel_tx_status(void *priv, struct ie + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_tx_altrate *ar = info->status.retries; + struct minstrel_priv *mp = priv; ++ struct ieee80211_local *local = hw_to_local(mp->hw); + int i, ndx, tries; + int success = 0; + +@@ -180,6 +181,13 @@ minstrel_tx_status(void *priv, struct ie + if (!mp->has_mrr || (ar[0].rate_idx < 0)) { + ndx = rix_to_ndx(mi, info->tx_rate_idx); + tries = info->status.retry_count + 1; ++ ++ /* If the driver does not support the MRR API, but uses ++ * a fallback rate, use the long retry limit as indication ++ * that a rate switch has happened */ ++ if (!mp->has_mrr && (tries >= local->long_retry_limit)) ++ success = 0; ++ + mi->r[ndx].success += success; + mi->r[ndx].attempts += tries; + return; |