Commit 0c4ea7e3 authored by Bastien Curutchet (eBPF Foundation)'s avatar Bastien Curutchet (eBPF Foundation) Committed by Alexei Starovoitov
Browse files

selftests/bpf: test_xdp_veth: Add new test cases for XDP flags 



The XDP redirection is tested without any flag provided to the
xdp_attach() function.

Add two subtests that check the correct behaviour with
XDP_FLAGS_{DRV/SKB}_MODE flags

Signed-off-by: default avatarBastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com>
Signed-off-by: default avatarMartin KaFai Lau <martin.lau@kernel.org>
Acked-by: default avatarStanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250131-redirect-multi-v4-10-970b33678512@bootlin.com


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 29c7bb7d

tools/testing/selftests/bpf/prog_tests/test_xdp_veth.c

+20 −7
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 
#include "xdp_dummy.skel.h"

#include "xdp_redirect_map.skel.h"

#include "xdp_tx.skel.h"

#include <uapi/linux/if_link.h>



#define VETH_PAIRS_COUNT	3

#define VETH_NAME_MAX_LEN	32
@@ -187,26 +188,26 @@ static void cleanup_network(struct veth_configuration *net_config) 
}



#define VETH_REDIRECT_SKEL_NB	3

void test_xdp_veth_redirect(void)

static void xdp_veth_redirect(u32 flags)

{

	struct prog_configuration ping_config[VETH_PAIRS_COUNT] = {

		{

			.local_name = "xdp_redirect_map_0",

			.remote_name = "xdp_dummy_prog",

			.local_flags = 0,

			.remote_flags = 0,

			.local_flags = flags,

			.remote_flags = flags,

		},

		{

			.local_name = "xdp_redirect_map_1",

			.remote_name = "xdp_tx",

			.local_flags = 0,

			.remote_flags = 0,

			.local_flags = flags,

			.remote_flags = flags,

		},

		{

			.local_name = "xdp_redirect_map_2",

			.remote_name = "xdp_dummy_prog",

			.local_flags = 0,

			.remote_flags = 0,

			.local_flags = flags,

			.remote_flags = flags,

		}

	};

	struct veth_configuration net_config[VETH_PAIRS_COUNT];
@@ -271,3 +272,15 @@ void test_xdp_veth_redirect(void) 


	cleanup_network(net_config);

}



void test_xdp_veth_redirect(void)

{

	if (test__start_subtest("0"))

		xdp_veth_redirect(0);



	if (test__start_subtest("DRV_MODE"))

		xdp_veth_redirect(XDP_FLAGS_DRV_MODE);



	if (test__start_subtest("SKB_MODE"))

		xdp_veth_redirect(XDP_FLAGS_SKB_MODE);

}