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| // 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";
|
|
