From 1e42f600ab5b5f625e46ca1cf6932e959ffbe1a9 Mon Sep 17 00:00:00 2001
From: bobijam <bobijam>
Date: Mon, 4 Aug 2008 02:59:52 +0000
Subject: [PATCH] Branch b1_x_lnet_gate b=16205 i=adilger, zhen.liang

Handle TCP_BACKOFF in msec or sec.
---
 lnet/autoconf/lustre-lnet.m4 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lnet/autoconf/lustre-lnet.m4 b/lnet/autoconf/lustre-lnet.m4
index a79dc25..eed8654 100644
--- a/lnet/autoconf/lustre-lnet.m4
+++ b/lnet/autoconf/lustre-lnet.m4
@@ -169,6 +169,9 @@ else
        if test "$BOCD" != 0 ; then
                AC_DEFINE(SOCKNAL_BACKOFF, 1, [use tunable backoff TCP])
                AC_MSG_RESULT(yes)
+               if grep rto_max $LINUX/include/linux/tcp.h|grep -q __u16; then
+                   AC_DEFINE(SOCKNAL_BACKOFF_MS, 1, [tunable backoff TCP in ms])
+               fi
        else
                AC_MSG_RESULT([no (no kernel support)])
        fi
-- 
1.8.3.1