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| author |   Stanislav Fomichev <sdf@google.com> | 2019-10-15 11:31:25 -0700 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2019-10-15 16:24:26 -0700 |
| commit | 95fbda1e37384b9c270218b52718c83ddf4bb34e (patch) | |
| tree | 41e9be1d14ee013da8af794ddfa04985c38ae1c1 /tools | |
| parent | bpf: Allow __sk_buff tstamp in BPF_PROG_TEST_RUN (diff) | |
| download | linux-dev-95fbda1e37384b9c270218b52718c83ddf4bb34e.tar.xz linux-dev-95fbda1e37384b9c270218b52718c83ddf4bb34e.zip | |
selftests: bpf: Add selftest for __sk_buff tstamp
Make sure BPF_PROG_TEST_RUN accepts tstamp and exports any
modifications that BPF program does.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20191015183125.124413-2-sdf@google.com
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/skb_ctx.c | 5 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_skb_ctx.c | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/skb_ctx.c b/tools/testing/selftests/bpf/prog_tests/skb_ctx.c index e95baa32e277..a2eb8db8dafb 100644 --- a/tools/testing/selftests/bpf/prog_tests/skb_ctx.c +++ b/tools/testing/selftests/bpf/prog_tests/skb_ctx.c @@ -10,6 +10,7 @@ void test_skb_ctx(void) .cb[3] = 4, .cb[4] = 5, .priority = 6, + .tstamp = 7, }; struct bpf_prog_test_run_attr tattr = { .data_in = &pkt_v4, @@ -86,4 +87,8 @@ void test_skb_ctx(void) "ctx_out_priority", "skb->priority == %d, expected %d\n", skb.priority, 7); + CHECK_ATTR(skb.tstamp != 8, + "ctx_out_tstamp", + "skb->tstamp == %lld, expected %d\n", + skb.tstamp, 8); } diff --git a/tools/testing/selftests/bpf/progs/test_skb_ctx.c b/tools/testing/selftests/bpf/progs/test_skb_ctx.c index 7a80960d7df1..2a9f4c736ebc 100644 --- a/tools/testing/selftests/bpf/progs/test_skb_ctx.c +++ b/tools/testing/selftests/bpf/progs/test_skb_ctx.c @@ -16,6 +16,7 @@ int process(struct __sk_buff *skb) skb->cb[i]++; } skb->priority++; + skb->tstamp++; return 0; } |