| 1 | // SPDX-License-Identifier: GPL-2.0 |
|---|---|
| 2 | |
| 3 | #include <linux/bpf.h> |
| 4 | #include <bpf/bpf_helpers.h> |
| 5 | |
| 6 | #include "bpf_compiler.h" |
| 7 | |
| 8 | char _license[] SEC("license") = "GPL"; |
| 9 | |
| 10 | SEC("tc") |
| 11 | int process(struct __sk_buff *skb) |
| 12 | { |
| 13 | __pragma_loop_unroll_full |
| 14 | for (int i = 0; i < 5; i++) { |
| 15 | if (skb->cb[i] != i + 1) |
| 16 | return 1; |
| 17 | skb->cb[i]++; |
| 18 | } |
| 19 | skb->priority++; |
| 20 | skb->tstamp++; |
| 21 | skb->mark++; |
| 22 | |
| 23 | if (skb->wire_len != 100) |
| 24 | return 1; |
| 25 | if (skb->gso_segs != 8) |
| 26 | return 1; |
| 27 | if (skb->gso_size != 10) |
| 28 | return 1; |
| 29 | if (skb->ingress_ifindex != 11) |
| 30 | return 1; |
| 31 | if (skb->ifindex != 1) |
| 32 | return 1; |
| 33 | if (skb->hwtstamp != 11) |
| 34 | return 1; |
| 35 | |
| 36 | return 0; |
| 37 | } |
| 38 |