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Date: Mon, 28 Jan 2019 09:21:15 -0800 From: Stanislav Fomichev <sdf@...gle.com> To: netdev@...r.kernel.org Cc: davem@...emloft.net, ast@...nel.org, daniel@...earbox.net, Stanislav Fomichev <sdf@...gle.com> Subject: [PATCH bpf-next v3 1/5] 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@...gle.com> --- tools/testing/selftests/bpf/test_maps.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c index e2b9eee37187..e542c8e09073 100644 --- a/tools/testing/selftests/bpf/test_maps.c +++ b/tools/testing/selftests/bpf/test_maps.c @@ -32,6 +32,8 @@ #define ENOTSUPP 524 #endif +static int skips; + static int map_flags; #define CHECK(condition, tag, format...) ({ \ @@ -725,6 +727,15 @@ 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; } @@ -1702,6 +1713,6 @@ 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; } -- 2.20.1.495.gaa96b0ce6b-goog
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