mac80211: add rate control rewrite and enhance the performance of the minstrel algorithm for non-mrr configurations

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12948 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 31 deletions

diff --git a/package/mac80211/patches/300-minstrel_no_mrr.patch b/package/mac80211/patches/300-minstrel_no_mrr.patch
deleted file mode 100644
index d4c04c4d8..000000000
--- a/package/mac80211/patches/300-minstrel_no_mrr.patch
+++ /dev/null
@@ -1,31 +0,0 @@
-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;