LXR linux/tools/testing/selftests/bpf/progs/test_sockmap_invalid

   1// SPDX-License-Identifier: GPL-2.0
   2// Copyright (c) 2020 Cloudflare
   3#include "vmlinux.h"
   4#include <bpf/bpf_helpers.h>
   5
   6struct {
   7        __uint(type, BPF_MAP_TYPE_SOCKMAP);
   8        __uint(max_entries, 1);
   9        __type(key, __u32);
  10        __type(value, __u64);
  11} map SEC(".maps");
  12
  13SEC("sockops")
  14int bpf_sockmap(struct bpf_sock_ops *skops)
  15{
  16        __u32 key = 0;
  17
  18        if (skops->sk)
  19                bpf_map_update_elem(&map, &key, skops->sk, 0);
  20        return 0;
  21}
  22
  23char _license[] SEC("license") = "GPL";
  24