From f04d3a914d3dfe9f292f2bdac1f845e35138f3b0 Mon Sep 17 00:00:00 2001
From: Michael Tuexen <tuexen@fh-muenster.de>
Date: Thu, 1 Jun 2017 20:12:22 +0200
Subject: [PATCH] Load if_tun module on FreeBSD if needed.
---
gtests/net/packetdrill/netdev.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/gtests/net/packetdrill/netdev.c b/gtests/net/packetdrill/netdev.c
index 18bdefb8..d895e5bb 100644
--- a/gtests/net/packetdrill/netdev.c
+++ b/gtests/net/packetdrill/netdev.c
@@ -112,10 +112,20 @@ static void check_remote_address(struct config *config,
static void create_device(struct config *config, struct local_netdev *netdev)
{
/* Open the tun device, which "clones" it for our purposes. */
- int tun_fd = open(TUN_PATH, O_RDWR);
- if (tun_fd < 0)
- die_perror("open tun device");
+ int tun_fd;
+ tun_fd = open(TUN_PATH, O_RDWR);
+#if defined(__FreeBSD__)
+ if ((tun_fd < 0) && (errno == ENOENT)) {
+ if (system("kldload -q if_tun") < 0) {
+ die_perror("kldload -q if_tun");
+ }
+ tun_fd = open(TUN_PATH, O_RDWR);
+ }
+#endif
+ if (tun_fd < 0) {
+ die_perror("open tun device");
+ }
netdev->tun_fd = tun_fd;
#ifdef linux
--
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