237 	struct encaptab *ep, *tmp;  in encap_attach()  local
245 	ep = malloc(sizeof(*ep), M_NETADDR, mflags);  in encap_attach()
246 	if (ep == NULL)  in encap_attach()
249 	ep->proto = cfg->proto;  in encap_attach()
250 	ep->min_length = cfg->min_length;  in encap_attach()
251 	ep->exact_match = cfg->exact_match;  in encap_attach()
252 	ep->arg = arg;  in encap_attach()
253 	ep->lookup = cfg->exact_match == ENCAP_DRV_LOOKUP ? cfg->lookup: NULL;  in encap_attach()
254 	ep->check = cfg->exact_match != ENCAP_DRV_LOOKUP ? cfg->check: NULL;  in encap_attach()
255 	ep->input = cfg->input;  in encap_attach()
259 		if (tmp->exact_match <= ep->exact_match)  in encap_attach()
263 		CK_LIST_INSERT_HEAD(head, ep, chain);  in encap_attach()
265 		CK_LIST_INSERT_BEFORE(tmp, ep, chain);  in encap_attach()
267 	return (ep);  in encap_attach()
273 	struct encaptab *ep;  in encap_detach()  local
276 	CK_LIST_FOREACH(ep, head, chain) {  in encap_detach()
277 		if (ep == cookie) {  in encap_detach()
278 			CK_LIST_REMOVE(ep, chain);  in encap_detach()
281 			free(ep, M_NETADDR);  in encap_detach()
293 	struct encaptab *ep, *match;  in encap_input()  local
301 	CK_LIST_FOREACH(ep, head, chain) {  in encap_input()
302 		if (ep->proto >= 0 && ep->proto != proto)  in encap_input()
304 		if (ep->min_length > m->m_pkthdr.len)  in encap_input()
306 		if (ep->exact_match == ENCAP_DRV_LOOKUP)  in encap_input()
307 			ret = (*ep->lookup)(m, off, proto, &arg);  in encap_input()
309 			ret = (*ep->check)(m, off, proto, ep->arg);  in encap_input()
313 			match = ep;  in encap_input()
314 			if (ep->exact_match != ENCAP_DRV_LOOKUP)  in encap_input()
315 				arg = ep->arg;  in encap_input()
320 			if (ret >= ep->exact_match)  in encap_input()