nf_ct_helper_ext_add
struct nf_conn_help *nf_ct_helper_ext_add(struct nf_conn *ct, gfp_t gfp);
help = nf_ct_helper_ext_add(ct, GFP_ATOMIC);
EXPORT_SYMBOL_GPL(nf_ct_helper_ext_add);
help = nf_ct_helper_ext_add(ct, flags);
help = nf_ct_helper_ext_add(ct, GFP_ATOMIC);
help = nf_ct_helper_ext_add(ct, GFP_KERNEL);
help = nf_ct_helper_ext_add(ct, GFP_ATOMIC);
help = nf_ct_helper_ext_add(ct, GFP_ATOMIC);
help = nf_ct_helper_ext_add(ct, GFP_KERNEL);