1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2020 Cloudflare
4 #include <bpf/bpf_helpers.h>
7 __uint(type, BPF_MAP_TYPE_SOCKMAP);
8 __uint(max_entries, 1);
14 __uint(type, BPF_MAP_TYPE_SOCKMAP);
15 __uint(max_entries, 1);
18 } dst_sock_map SEC(".maps");
21 __uint(type, BPF_MAP_TYPE_SOCKHASH);
22 __uint(max_entries, 1);
25 } dst_sock_hash SEC(".maps");
28 int copy_sock_map(void *ctx)
34 sk = bpf_map_lookup_elem(&src, &key);
38 if (bpf_map_update_elem(&dst_sock_map, &key, sk, 0))
41 if (bpf_map_update_elem(&dst_sock_hash, &key, sk, 0))
45 return failed ? SK_DROP : SK_PASS;
48 char _license[] SEC("license") = "GPL";