From 051567ad22504b1c0ee415e2b3e9f8750c632e84 Mon Sep 17 00:00:00 2001
From: Jacob Carlborg <doob@me.com>
Date: Fri, 5 Aug 2022 20:43:06 +0200
Subject: [PATCH] Use virtio-net network device

This is to be compatible with the ARM64 UEFI firmware bundled with
QEMU. Previous firmware by Linaro worked with e1000 as well.
---
 openbsd.pkr.hcl              | 16 ++++++++++++++--
 var_files/x86-64.pkrvars.hcl |  2 ++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/openbsd.pkr.hcl b/openbsd.pkr.hcl
index 4a1752c..23a0794 100644
--- a/openbsd.pkr.hcl
+++ b/openbsd.pkr.hcl
@@ -39,6 +39,18 @@ variable "disk_size" {
   description = "The size in bytes of the hard disk of the VM"
 }
 
+variable "net_device" {
+  default = "virtio-net"
+  type = string
+  description = "The driver to use for the network interface"
+}
+
+variable "network_interface" {
+  default = "vio0"
+  type = string
+  description = "The network interface as it's named in OpenBSD"
+}
+
 variable "checksum" {
   type = string
   description = "The checksum for the virtual hard drive file"
@@ -124,7 +136,7 @@ source "qemu" "qemu" {
   machine_type = var.machine_type
   cpus = var.cpus
   memory = var.memory
-  net_device = "e1000"
+  net_device = var.net_device
 
   disk_compression = true
   disk_interface = "virtio"
@@ -142,7 +154,7 @@ source "qemu" "qemu" {
 
   boot_command = [
     "S<enter><wait>",
-    "ifconfig em0 10.0.2.15 255.255.255.0<enter><wait>",
+    "ifconfig ${var.network_interface} 10.0.2.15 255.255.255.0<enter><wait>",
     "ftp -o install.conf http://{{ .HTTPIP }}:{{ .HTTPPort }}/resources/install.conf<enter><wait>",
     "ftp -o install.sh http://{{ .HTTPIP }}:{{ .HTTPPort }}/resources/install.sh<enter><wait>",
     "SECONDARY_USER_USERNAME=${var.secondary_user_username} ",
diff --git a/var_files/x86-64.pkrvars.hcl b/var_files/x86-64.pkrvars.hcl
index 4c0a90f..302c629 100644
--- a/var_files/x86-64.pkrvars.hcl
+++ b/var_files/x86-64.pkrvars.hcl
@@ -1,2 +1,4 @@
 architecture = "x86-64"
 firmware = "resources/ovmf.fd"
+net_device = "e1000"
+network_interface = "em0"