bpf/progs/test_trace_ext.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 // Copyright (c) 2019 Facebook
0003 #include <linux/bpf.h>
0004 #include <stdbool.h>
0005 #include <bpf/bpf_helpers.h>
0006 #include <bpf/bpf_endian.h>
0007 #include <bpf/bpf_tracing.h>
0008
0009 __u64 ext_called = 0;
0010
0011 SEC("freplace/test_pkt_md_access")
0012 int test_pkt_md_access_new(struct __sk_buff *skb)
0013 {
0014     ext_called = skb->len;
0015     return 0;
0016 }
0017
0018 char _license[] SEC("license") = "GPL";