From 9f57cb972299e094d8c65a2b23ae83b00f2ce11c Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Fri, 21 Dec 2007 15:36:54 +0000
Subject: [PATCH] Add a madwifi patch by Brian Candler, which fixes minstrel
when operating without multi-rate retry. Should lead to significant
performance improvements when dealing with stations in B/G mixed mode. Fixes
#2876
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9820 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
.../patches/110-minstrel_counters.patch | 22 +++++++++++++++++++
1 file changed, 22 insertions(+)
create mode 100644 package/madwifi/patches/110-minstrel_counters.patch
diff --git a/package/madwifi/patches/110-minstrel_counters.patch b/package/madwifi/patches/110-minstrel_counters.patch
new file mode 100644
index 000000000..a3ed91a52
--- /dev/null
+++ b/package/madwifi/patches/110-minstrel_counters.patch
@@ -0,0 +1,22 @@
+diff --exclude '*~' -uNr madwifi-dfs-r3053.orig/ath_rate/minstrel/minstrel.c madwifi-dfs-r3053/ath_rate/minstrel/minstrel.c
+--- madwifi-dfs-r3053.orig/ath_rate/minstrel/minstrel.c 2007-12-21 13:34:23.000000000 +0000
++++ madwifi-dfs-r3053/ath_rate/minstrel/minstrel.c 2007-12-21 14:29:07.000000000 +0000
+@@ -449,7 +449,6 @@
+ const struct ath_desc *ds = &bf->bf_desc[0];
+ int final_rate = 0;
+ int tries = 0;
+- int ndx = -1;
+ int mrr;
+ int final_ndx;
+ int rate0, tries0, ndx0;
+@@ -488,8 +487,8 @@
+ mrr = sc->sc_mrretry && !(ic->ic_flags & IEEE80211_F_USEPROT) && ENABLE_MRR;
+
+ if (!mrr) {
+- if ((0 <= ndx) && (ndx < sn->num_rates)) {
+- sn->rs_rateattempts[ndx]++; /* only one rate was used */
++ if ((0 <= final_ndx) && (final_ndx < sn->num_rates)) {
++ sn->rs_rateattempts[final_ndx]++; /* only one rate was used */
+ }
+ return;
+ }
--
2.20.1