36 lines
597 B
C
36 lines
597 B
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
||
|
#include <linux/bpf.h>
|
||
|
#include <bpf/bpf_helpers.h>
|
||
|
|
||
|
char _license[] SEC("license") = "GPL";
|
||
|
|
||
|
SEC("tc")
|
||
|
int process(struct __sk_buff *skb)
|
||
|
{
|
||
|
#pragma clang loop unroll(full)
|
||
|
for (int i = 0; i < 5; i++) {
|
||
|
if (skb->cb[i] != i + 1)
|
||
|
return 1;
|
||
|
skb->cb[i]++;
|
||
|
}
|
||
|
skb->priority++;
|
||
|
skb->tstamp++;
|
||
|
skb->mark++;
|
||
|
|
||
|
if (skb->wire_len != 100)
|
||
|
return 1;
|
||
|
if (skb->gso_segs != 8)
|
||
|
return 1;
|
||
|
if (skb->gso_size != 10)
|
||
|
return 1;
|
||
|
if (skb->ingress_ifindex != 11)
|
||
|
return 1;
|
||
|
if (skb->ifindex != 1)
|
||
|
return 1;
|
||
|
if (skb->hwtstamp != 11)
|
||
|
return 1;
|
||
|
|
||
|
return 0;
|
||
|
}
|