1 | // SPDX-License-Identifier: GPL-2.0 |
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2 | /* Copyright (c) 2023 Meta Platforms, Inc. and affiliates. */ |
3 | |
4 | #include <linux/types.h> |
5 | #include <linux/bpf.h> |
6 | #include <bpf/bpf_helpers.h> |
7 | #include "bpf_tracing_net.h" |
8 | |
9 | struct bpf_fib_lookup fib_params = {}; |
10 | int fib_lookup_ret = 0; |
11 | int lookup_flags = 0; |
12 | |
13 | SEC("tc") |
14 | int fib_lookup(struct __sk_buff *skb) |
15 | { |
16 | fib_lookup_ret = bpf_fib_lookup(skb, &fib_params, sizeof(fib_params), |
17 | lookup_flags); |
18 | |
19 | return TC_ACT_SHOT; |
20 | } |
21 | |
22 | char _license[] SEC("license") = "GPL"; |
23 |