From d91c59ee1e356e62738492b819e3c32bb04dac1d Mon Sep 17 00:00:00 2001
From: Nathan Whitehorn <nwhitehorn@FreeBSD.org>
Date: Sat, 20 Feb 2010 16:28:37 +0000
Subject: [PATCH] Enable NETIF_OPEN_CLOSE_ONCE on PowerPC OFW. This fixes
 netbooting on PowerPC Book-S hardware, which had been broken for a very long
 time.

Submitted by:	Andreas Tobler
MFC after:	1 week
---
 sys/boot/powerpc/ofw/Makefile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sys/boot/powerpc/ofw/Makefile b/sys/boot/powerpc/ofw/Makefile
index dfc80db0475..d42fa927ce5 100644
--- a/sys/boot/powerpc/ofw/Makefile
+++ b/sys/boot/powerpc/ofw/Makefile
@@ -56,6 +56,11 @@ CFLAGS+=	-DBOOT_FORTH -I${.CURDIR}/../../ficl -I${.CURDIR}/../../ficl/powerpc
 LIBFICL=	${.OBJDIR}/../../ficl/libficl.a
 .endif
 
+# Avoid the open-close-dance for every file access as some firmwares perform
+# an auto-negotiation on every open of the network interface and thus causes
+# netbooting to take horribly long.
+CFLAGS+=	-DNETIF_OPEN_CLOSE_ONCE
+
 # Always add MI sources
 .PATH:		${.CURDIR}/../../common
 .include	"${.CURDIR}/../../common/Makefile.inc"
-- 
2.45.2