// SPDX-License-Identifier: GPL-2.0 #include "vmlinux.h" #include <bpf/bpf_helpers.h> struct { __uint(type, BPF_MAP_TYPE_SOCKMAP); __uint(max_entries, 2); __type(key, __u32); __type(value, __u64); } sock_map SEC(".maps"); SEC("sk_skb") int prog_skb_verdict(struct __sk_buff *skb) { return SK_DROP; } char _license[] SEC("license") = "GPL";