// SPDX-License-Identifier: GPL-2.0 #include #include "bpf_helpers.h" int _version SEC("version") = 1; char _license[] SEC("license") = "GPL"; SEC("skb_ctx") 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++; return 0; }