From 48089fbb1f6332d4ff5e3a27ae8d8d06429b8c7a Mon Sep 17 00:00:00 2001
From: Dan Robertson <dan.robertson@anidata.org>
Date: Sun, 12 Nov 2017 04:07:01 +0000
Subject: [PATCH] Allow specifying a bridge for qemu to use

Allow `make qemu` to take an additional parameter `bridge` that
specifies the bridge interface to use for the netdev. This allows
`make qemu brige=br0` which would create a VM connected to br0.
---
 mk/qemu.mk | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/mk/qemu.mk b/mk/qemu.mk
index 928c52f..f17203f 100644
--- a/mk/qemu.mk
+++ b/mk/qemu.mk
@@ -12,7 +12,11 @@ endif
 ifeq ($(net),no)
 	QEMUFLAGS+=-net none
 else
-	QEMUFLAGS+=-net nic,model=e1000 -net user -net dump,file=build/network.pcap
+	ifneq ($(bridge),)
+		QEMUFLAGS+=-netdev bridge,br=$(bridge),id=net0 -device e1000,netdev=net0,id=nic0
+	else
+		QEMUFLAGS+=-net nic,model=e1000 -net user -net dump,file=build/network.pcap
+	endif
 	ifeq ($(net),redir)
 		QEMUFLAGS+=-redir tcp:8023::8023 -redir tcp:8080::8080
 	endif