LXR linux/tools/testing/selftests/bpf/bpf_sockopt

   1/* SPDX-License-Identifier: GPL-2.0 */
   2
   3#include <sys/socket.h>
   4#include <bpf/bpf_helpers.h>
   5
   6int get_set_sk_priority(void *ctx)
   7{
   8        int prio;
   9
  10        /* Verify that context allows calling bpf_getsockopt and
  11         * bpf_setsockopt by reading and writing back socket
  12         * priority.
  13         */
  14
  15        if (bpf_getsockopt(ctx, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)))
  16                return 0;
  17        if (bpf_setsockopt(ctx, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)))
  18                return 0;
  19
  20        return 1;
  21}
  22