1// SPDX-License-Identifier: GPL-2.0
 2
 3#include <linux/bpf.h>
 4#include <bpf/bpf_helpers.h>
 5#include <linux/if_ether.h>
 6#include <linux/ip.h>
 7
 8/* Dummy prog to test TC-BPF API */
 9
10SEC("tc")
11int cls(struct __sk_buff *skb)
12{
13	return 0;
14}
15
16/* Prog to verify tc-bpf without cap_sys_admin and cap_perfmon */
17SEC("tcx/ingress")
18int pkt_ptr(struct __sk_buff *skb)
19{
20	struct iphdr *iph = (void *)(long)skb->data + sizeof(struct ethhdr);
21
22	if ((long)(iph + 1) > (long)skb->data_end)
23		return 1;
24	return 0;
25}

 1// SPDX-License-Identifier: GPL-2.0
 2
 3#include <linux/bpf.h>
 4#include <bpf/bpf_helpers.h>
 
 
 5
 6/* Dummy prog to test TC-BPF API */
 7
 8SEC("tc")
 9int cls(struct __sk_buff *skb)
10{
 
 
 
 
 
 
 
 
 
 
 
11	return 0;
12}