tools/testing/selftests/bpf/progs/test_sockmap_skb_verdict_attach.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "vmlinux.h"
   3 #include <bpf/bpf_helpers.h>
   4
   5 struct {
   6         __uint(type, BPF_MAP_TYPE_SOCKMAP);
   7         __uint(max_entries, 2);
   8         __type(key, __u32);
   9         __type(value, __u64);
  10 } sock_map SEC(".maps");
  11
  12 SEC("sk_skb/skb_verdict")
  13 int prog_skb_verdict(struct __sk_buff *skb)
  14 {
  15         return SK_DROP;
  16 }
  17
  18 char _license[] SEC("license") = "GPL";