1 // SPDX-License-Identifier: GPL-2.0 2 #include "vmlinux.h" 3 #include <bpf/bpf_helpers.h> 4 5 struct { 6 __uint(type, BPF_MAP_TYPE_SOCKMAP); 7 __uint(max_entries, 1); 8 __type(key, __u32); 9 __type(value, __u64); 10 } sock_map SEC(".maps"); 11 12 SEC("sk_skb") 13 int prog_skb_verdict(struct __sk_buff *skb) 14 { 15 return SK_PASS; 16 } 17 18 SEC("sk_msg") 19 int prog_skmsg_verdict(struct sk_msg_md *msg) 20 { 21 return SK_PASS; 22 } 23 24 char _license[] SEC("license") = "GPL"; 25