On Mon, Sep 28, 2020 at 10:08:03AM +0100, Lorenz Bauer wrote:
> We compare socket cookies to ensure that insertion into a sockmap worked.
> Pull this out into a helper function for use in other tests.
>
> Signed-off-by: Lorenz Bauer <l...@cloudflare.com>
> ---
> .../selftests/bpf/prog_tests/sockmap_basic.c | 50 +++++++++++++------
> 1 file changed, 36 insertions(+), 14 deletions(-)
>
> diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
> b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
> index 4b7a527e7e82..67d3301bdf81 100644
> --- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
> +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
> @@ -50,6 +50,37 @@ static int connected_socket_v4(void)
> return -1;
> }
>
> +static void compare_cookies(struct bpf_map *src, struct bpf_map *dst)
> +{
> + __u32 i, max_entries = bpf_map__max_entries(src);
> + int err, duration, src_fd, dst_fd;
This should have a compiler warning. "duration" is not initialized.
