netdev - [PATCH net-next 3/4] wireguard: selftests: load nf

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Message-ID: <20241117212030.629159-4-Jason@zx2c4.com>
Date: Sun, 17 Nov 2024 22:20:29 +0100
From: "Jason A. Donenfeld" <Jason@...c4.com>
To: netdev@...r.kernel.org,
	kuba@...nel.org,
	pabeni@...hat.com
Cc: Hangbin Liu <liuhangbin@...il.com>,
	Simon Horman <horms@...nel.org>,
	"Jason A. Donenfeld" <Jason@...c4.com>
Subject: [PATCH net-next 3/4] wireguard: selftests: load nf_conntrack if not present

From: Hangbin Liu <liuhangbin@...il.com>

Some distros may not load nf_conntrack by default, which will cause
subsequent nf_conntrack sets to fail. Load this module if it is not
already loaded.

Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
Reviewed-by: Simon Horman <horms@...nel.org>
[ Jason: add [[ -e ... ]] check so this works in the qemu harness. ]
Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
---
 tools/testing/selftests/wireguard/netns.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/wireguard/netns.sh b/tools/testing/selftests/wireguard/netns.sh
index 405ff262ca93..55500f901fbc 100755
--- a/tools/testing/selftests/wireguard/netns.sh
+++ b/tools/testing/selftests/wireguard/netns.sh
@@ -332,6 +332,7 @@ waitiface $netns1 vethc
 waitiface $netns2 veths
 
 n0 bash -c 'printf 1 > /proc/sys/net/ipv4/ip_forward'
+[[ -e /proc/sys/net/netfilter/nf_conntrack_udp_timeout ]] || modprobe nf_conntrack
 n0 bash -c 'printf 2 > /proc/sys/net/netfilter/nf_conntrack_udp_timeout'
 n0 bash -c 'printf 2 > /proc/sys/net/netfilter/nf_conntrack_udp_timeout_stream'
 n0 iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -d 10.0.0.0/24 -j SNAT --to 10.0.0.1
-- 
2.46.0