Re: [PATCH net-next v11 09/10] selftest: tap: Add tests for virtio-net ioctls

[Jakub Kicinski <kuba@kernel.org>]

On Mon, 17 Mar 2025 19:57:59 +0900 Akihiko Odaki wrote:
> +TEST_F(tap, test_vnetbe)
> +{
> +	int be = 1;
> +	int ret;
> +
> +	ASSERT_FALSE(dev_delete(param_dev_tap_name));
> +	self->deleted = true;
> +
> +	ret = ioctl(self->fd, TUNSETVNETBE, &be);
> +	if (ret == -1 && errno == EINVAL)
> +		SKIP(return, "TUNSETVNETBE not supported");
> +
> +	ASSERT_FALSE(ret);
> +	be = 0;
> +	ASSERT_FALSE(ioctl(self->fd, TUNGETVNETBE, &be));
> +	EXPECT_EQ(1, be);

The config options needed by selftests should be listed in the relevant
config file, I think you need this snippet:

diff --git a/tools/testing/selftests/net/config b/tools/testing/selftests/net/config
index 130d532b7e67..9b6aa8c4e6d8 100644
--- a/tools/testing/selftests/net/config
+++ b/tools/testing/selftests/net/config
@@ -101,6 +101,7 @@ CONFIG_IPV6_IOAM6_LWTUNNEL=y
 CONFIG_CRYPTO_SM4_GENERIC=y
 CONFIG_AMT=m
 CONFIG_TUN=y
+CONFIG_TUN_VNET_CROSS_LE=y
 CONFIG_VXLAN=m
 CONFIG_IP_SCTP=m
 CONFIG_NETFILTER_XT_MATCH_POLICY=m
-- 
pw-bot: cr