xt_bpf_info_v1
const struct xt_bpf_info_v1 *info = par->matchinfo;
.matchsize = sizeof(struct xt_bpf_info_v1),
.usersize = offsetof(struct xt_bpf_info_v1, filter),
struct xt_bpf_info_v1 *info = par->matchinfo;
const struct xt_bpf_info_v1 *info = par->matchinfo;