// SPDX-License-Identifier: GPL-2.0 #include "vmlinux.h" #include <bpf/bpf_helpers.h> __u32 data_end; SEC("cgroup_skb/ingress") int direct_packet_access(struct __sk_buff *skb) { data_end = skb->data_end; return 1; } char _license[] SEC("license") = "GPL";