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

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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: 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-v4-10-970b33678512@bootlin.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Bastien Curutchet (eBPF Foundation)
2025-01-31 08:21:49 +01:00
committed by Alexei Starovoitov
parent 29c7bb7d0f
commit 0c4ea7e347
1 changed files with 20 additions and 7 deletions
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27
tools/testing/selftests/bpf/prog_tests/test_xdp_veth.c
View File

@@ -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);
}