From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 1 Jun 2007 20:04:47 +0000 (+0000)
Subject: optimize the performance of the minstrel rate algorithm - don't sample lower rates... 
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=87699ffd77f81539a30fb41befb2306b5a0cfdda;p=openwrt%2Fstaging%2Fjow.git

optimize the performance of the minstrel rate algorithm - don't sample lower rates if the rate with the higest probability is high

SVN-Revision: 7437
---

diff --git a/package/madwifi/patches/119-minstrel_rates.patch b/package/madwifi/patches/119-minstrel_rates.patch
new file mode 100644
index 0000000000..605342739d
--- /dev/null
+++ b/package/madwifi/patches/119-minstrel_rates.patch
@@ -0,0 +1,12 @@
+diff -ur madwifi.old/ath_rate/minstrel/minstrel.c madwifi.dev/ath_rate/minstrel/minstrel.c
+--- madwifi.old/ath_rate/minstrel/minstrel.c	2007-06-01 16:44:25.137903000 +0200
++++ madwifi.dev/ath_rate/minstrel/minstrel.c	2007-06-01 22:03:15.408659936 +0200
+@@ -358,6 +358,8 @@
+ 					if (sn->rs_sampleColumn >= MINSTREL_COLUMNS)
+ 						sn->rs_sampleColumn = 0;
+ 				}
++				if (ndx < sn->max_prob_rate - 2)
++					ndx = sn->max_tp_rate;
+ 			} else
+ 				ndx = sn->max_tp_rate;
+ 		 }