| // SPDX-License-Identifier: GPL-2.0 | |
| // Copyright (c) 2020 Cloudflare | |
| #include "vmlinux.h" | |
| #include <bpf/bpf_helpers.h> | |
| struct { | |
| __uint(type, BPF_MAP_TYPE_SOCKMAP); | |
| __uint(max_entries, 1); | |
| __type(key, __u32); | |
| __type(value, __u64); | |
| } map SEC(".maps"); | |
| SEC("sockops") | |
| int bpf_sockmap(struct bpf_sock_ops *skops) | |
| { | |
| __u32 key = 0; | |
| if (skops->sk) | |
| bpf_map_update_elem(&map, &key, skops->sk, 0); | |
| return 0; | |
| } | |
| char _license[] SEC("license") = "GPL"; |