selftests/bpf: Fix erroneous bitmask operation
[platform/kernel/linux-rpi.git] / tools / testing / selftests / bpf / progs / fib_lookup.c
1 // SPDX-License-Identifier: GPL-2.0
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";