1 // SPDX-License-Identifier: GPL-2.0-or-later 2 3 #include "vmlinux.h" 4 #include <bpf/bpf_helpers.h> 5 6 #define NF_ACCEPT 1 7 8 SEC("netfilter") nf_link_attach_test(struct bpf_nf_ctx * ctx)9int nf_link_attach_test(struct bpf_nf_ctx *ctx) 10 { 11 return NF_ACCEPT; 12 } 13 14 char _license[] SEC("license") = "GPL"; 15