1 // SPDX-License-Identifier: GPL-2.0
2
3 #include "vmlinux.h"
4 #include <bpf/bpf_helpers.h>
5 #include <bpf/bpf_tracing.h>
6
7 __u64 fentry_called = 0;
8
9 SEC("fentry/test_pkt_md_access_new")
10 int BPF_PROG(fentry, struct sk_buff *skb)
11 {
12 fentry_called = skb->len;
13 return 0;
14 }
15
16 __u64 fexit_called = 0;
17
18 SEC("fexit/test_pkt_md_access_new")
19 int BPF_PROG(fexit, struct sk_buff *skb)
20 {
21 fexit_called = skb->len;
22 return 0;
23 }
24
25 char _license[] SEC("license") = "GPL";
26
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.