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linux-sg2042
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selftests/bpf: skip sockmap in test_maps if kernel doesn't have support 

Use recently introduced bpf_probe_map_type() to skip test_sockmap()
if map creation fails. The skipped test is indicated in the output.

Example:

test_sockmap SKIP (unsupported map type BPF_MAP_TYPE_SOCKMAP)
Fork 1024 tasks to 'test_update_delete'
...
test_sockmap SKIP (unsupported map type BPF_MAP_TYPE_SOCKMAP)
Fork 1024 tasks to 'test_update_delete'
...
test_maps: OK, 2 SKIPPED

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Stanislav Fomichev 2019-01-28 09:21:15 -08:00 committed by Daniel Borkmann
parent 630afc7734
commit e8ddbfb4bc
1 changed files with 12 additions and 1 deletions
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13
tools/testing/selftests/bpf/test_maps.c
View File

@ -32,6 +32,8 @@
#define ENOTSUPP 524
#endif
static int skips;
static int map_flags;
#define CHECK(condition, tag, format...) ({ \
@ -724,6 +726,15 @@ static void test_sockmap(int tasks, void *data)
sizeof(key), sizeof(value),
6, 0);
if (fd < 0) {
if (!bpf_probe_map_type(BPF_MAP_TYPE_SOCKMAP, 0)) {
printf("%s SKIP (unsupported map type BPF_MAP_TYPE_SOCKMAP)\n",
__func__);
skips++;
for (i = 0; i < 6; i++)
close(sfd[i]);
return;
}
printf("Failed to create sockmap %i\n", fd);
goto out_sockmap;
}
@ -1701,6 +1712,6 @@ int main(void)
map_flags = BPF_F_NO_PREALLOC;
run_all_tests();
printf("test_maps: OK\n");
printf("test_maps: OK, %d SKIPPED\n", skips);
return 0;
}