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