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authorFelix Fietkau <nbd@openwrt.org>2007-12-21 15:36:54 +0000
committerFelix Fietkau <nbd@openwrt.org>2007-12-21 15:36:54 +0000
commit285395cfca2b9ae3c9400177938c47874281e1c0 (patch)
tree2bbd42243a9717c2391681b75db03679a10916de
parent620d050dfa52a44b5672771ee36d5f826ae22753 (diff)
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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
SVN-Revision: 9820
-rw-r--r--package/madwifi/patches/110-minstrel_counters.patch22
1 files changed, 22 insertions, 0 deletions
diff --git a/package/madwifi/patches/110-minstrel_counters.patch b/package/madwifi/patches/110-minstrel_counters.patch
new file mode 100644
index 0000000..a3ed91a
--- /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;
+ }