On Thu, 08 Aug 2019 17:46:46 +0200
Jesper Dangaard Brouer <bro...@redhat.com> wrote:
> @@ -103,8 +112,17 @@ int main(int argc, char **argv)
> return 1;
> }
>
> - if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd))
> + err = bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd);
> + if (err) {
> + if (err == -22) {
Darn - I forgot this, need to be changed.
I'll send a V3.
> + printf("Does kernel support devmap lookup?\n");
> + /* If not, the error message will be:
> + * "cannot pass map_type 14 into func
> + * bpf_map_lookup_elem#1"
> + */
> + }
> return 1;
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
LinkedIn: http://www.linkedin.com/in/brouer
