selftests/bpf: test_xdp_veth: Add XDP flags to prog_configuration

XDP flags are hardcoded to 0 at attachment.

Add flags attributes to the struct prog_configuration to allow flag
modifications for each test case.

Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250131-redirect-multi-v4-8-970b33678512@bootlin.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

diff --git a/tools/testing/selftests/bpf/prog_tests/test_xdp_veth.c b/tools/testing/selftests/bpf/prog_tests/test_xdp_veth.c
index d1435490b96701a33236adc10dd1b120b95fda58..59fa742b16bd46853b8cfd0ea56a497351c7fb2a 100644 (file)
--- a/tools/testing/selftests/bpf/prog_tests/test_xdp_veth.c
+++ b/tools/testing/selftests/bpf/prog_tests/test_xdp_veth.c
@@ -75,6 +75,8 @@ static struct veth_configuration net_config[VETH_PAIRS_COUNT] = {
 struct prog_configuration {
        char local_name[PROG_NAME_MAX_LEN]; /* BPF prog to attach to local_veth */
        char remote_name[PROG_NAME_MAX_LEN]; /* BPF prog to attach to remote_veth */
+       u32 local_flags; /* XDP flags to use on local_veth */
+       u32 remote_flags; /* XDP flags to use on remote_veth */
 };
 
 static int attach_programs_to_veth_pair(struct bpf_object **objs, size_t nb_obj,
@@ -104,7 +106,8 @@ static int attach_programs_to_veth_pair(struct bpf_object **objs, size_t nb_obj,
        if (!ASSERT_NEQ(interface, 0, "non zero interface index"))
                return -1;
 
-       ret = bpf_xdp_attach(interface, bpf_program__fd(local_prog), 0, NULL);
+       ret = bpf_xdp_attach(interface, bpf_program__fd(local_prog),
+                            prog[index].local_flags, NULL);
        if (!ASSERT_OK(ret, "attach xdp program to local veth"))
                return -1;
 
@@ -118,7 +121,8 @@ static int attach_programs_to_veth_pair(struct bpf_object **objs, size_t nb_obj,
                return -1;
        }
 
-       ret = bpf_xdp_attach(interface, bpf_program__fd(remote_prog), 0, NULL);
+       ret = bpf_xdp_attach(interface, bpf_program__fd(remote_prog),
+                            prog[index].remote_flags, NULL);
        if (!ASSERT_OK(ret, "attach xdp program to remote veth")) {
                close_netns(nstoken);
                return -1;
@@ -176,14 +180,20 @@ void test_xdp_veth_redirect(void)
                {
                        .local_name = "xdp_redirect_map_0",
                        .remote_name = "xdp_dummy_prog",
+                       .local_flags = 0,
+                       .remote_flags = 0,
                },
                {
                        .local_name = "xdp_redirect_map_1",
                        .remote_name = "xdp_tx",
+                       .local_flags = 0,
+                       .remote_flags = 0,
                },
                {
                        .local_name = "xdp_redirect_map_2",
                        .remote_name = "xdp_dummy_prog",
+                       .local_flags = 0,
+                       .remote_flags = 0,
                }
        };
        struct bpf_object *bpf_objs[VETH_REDIRECT_SKEL_NB];