From 960d14d7ef91b733b41fb301e1e0b259c053006c Mon Sep 17 00:00:00 2001
From: Michael Tuexen <tuexen@fh-muenster.de>
Date: Thu, 14 May 2015 13:05:33 +0200
Subject: [PATCH] Linux 3.18 doesn't support TUN_F_UFO, earlier and later
versions do.
---
gtests/net/packetdrill/netdev.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/gtests/net/packetdrill/netdev.c b/gtests/net/packetdrill/netdev.c
index a4e82e5d..5cc6a587 100644
--- a/gtests/net/packetdrill/netdev.c
+++ b/gtests/net/packetdrill/netdev.c
@@ -44,6 +44,9 @@
#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
#include <net/if_tun.h>
#endif /* defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) */
+#if defined(linux)
+#include <linux/version.h>
+#endif
#include "ip.h"
#include "ipv6.h"
@@ -201,8 +204,11 @@ static void create_device(struct config *config, struct local_netdev *netdev)
static void set_device_offload_flags(struct local_netdev *netdev)
{
#ifdef linux
- const u32 offload =
- TUN_F_CSUM | TUN_F_TSO4 | TUN_F_TSO6 | TUN_F_TSO_ECN | TUN_F_UFO;
+ u32 offload = TUN_F_CSUM | TUN_F_TSO4 | TUN_F_TSO6 | TUN_F_TSO_ECN;
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,18,0)) || (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0))
+ offload |= TUN_F_UFO;
+#endif
if (ioctl(netdev->tun_fd, TUNSETOFFLOAD, offload) != 0)
die_perror("TUNSETOFFLOAD");
#endif
--
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