From a0b72790e44acba2828a829945bcc8b60997a3d8 Mon Sep 17 00:00:00 2001
From: Nathan Whitehorn <nwhitehorn@FreeBSD.org>
Date: Mon, 1 Mar 2010 00:35:30 +0000
Subject: [PATCH] MFC r204129:

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
---
 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"