netpfil/ipfw/ip_fw_iface.c

62 #define	CHAIN_TO_II(ch)		((struct namedobj_instance *)ch->ifcfg)
66 static void handle_ifdetach(struct ip_fw_chain *ch, struct ipfw_iface *iif,
68 static void handle_ifattach(struct ip_fw_chain *ch, struct ipfw_iface *iif,
70 static int list_ifaces(struct ip_fw_chain *ch, ip_fw3_opheader *op3,
96 	struct ip_fw_chain *ch;
104 	ch = &V_layer3_chain;
107 	IPFW_UH_WLOCK(ch);
108 	ii = CHAIN_TO_II(ch);
110 		IPFW_UH_WUNLOCK(ch);
117 			handle_ifattach(ch, iif, ifp->if_index);
119 			handle_ifdetach(ch, iif, ifp->if_index);
121 	IPFW_UH_WUNLOCK(ch);
232 vnet_ipfw_iface_init(struct ip_fw_chain *ch)
237 	IPFW_UH_WLOCK(ch);
238 	if (ch->ifcfg == NULL) {
239 		ch->ifcfg = ii;
242 	IPFW_UH_WUNLOCK(ch);
268 vnet_ipfw_iface_destroy(struct ip_fw_chain *ch)
272 	IPFW_UH_WLOCK(ch);
273 	ii = CHAIN_TO_II(ch);
274 	ch->ifcfg = NULL;
275 	IPFW_UH_WUNLOCK(ch);
278 		ipfw_objhash_foreach(ii, destroy_iface, ch);
293 ipfw_iface_ref(struct ip_fw_chain *ch, char *name,
302 	IPFW_UH_WLOCK(ch);
304 	ii = CHAIN_TO_II(ch);
311 		IPFW_UH_WUNLOCK(ch);
312 		vnet_ipfw_iface_init(ch);
313 		IPFW_UH_WLOCK(ch);
314 		ii = CHAIN_TO_II(ch);
322 		IPFW_UH_WUNLOCK(ch);
326 	IPFW_UH_WUNLOCK(ch);
341 	IPFW_UH_WLOCK(ch);
348 		IPFW_UH_WUNLOCK(ch);
360 	IPFW_UH_WUNLOCK(ch);
371 ipfw_iface_add_notify(struct ip_fw_chain *ch, struct ipfw_ifc *ic)
375 	IPFW_UH_WLOCK_ASSERT(ch);
376 	IPFW_WLOCK_ASSERT(ch);
382 		ic->cb(ch, ic->cbdata, iif->ifindex);
390 ipfw_iface_del_notify(struct ip_fw_chain *ch, struct ipfw_ifc *ic)
394 	IPFW_UH_WLOCK_ASSERT(ch);
405 ipfw_iface_unref(struct ip_fw_chain *ch, struct ipfw_ifc *ic)
409 	IPFW_UH_WLOCK_ASSERT(ch);
422 handle_ifattach(struct ip_fw_chain *ch, struct ipfw_iface *iif,
427 	IPFW_UH_WLOCK_ASSERT(ch);
433 	IPFW_WLOCK(ch);
435 		ic->cb(ch, ic->cbdata, iif->ifindex);
436 	IPFW_WUNLOCK(ch);
443 handle_ifdetach(struct ip_fw_chain *ch, struct ipfw_iface *iif,
448 	IPFW_UH_WLOCK_ASSERT(ch);
450 	IPFW_WLOCK(ch);
452 		ic->cb(ch, ic->cbdata, 0);
453 	IPFW_WUNLOCK(ch);
461 	struct ip_fw_chain *ch;
498 list_ifaces(struct ip_fw_chain *ch, ip_fw3_opheader *op3,
512 	IPFW_UH_RLOCK(ch);
513 	ii = CHAIN_TO_II(ch);
526 		IPFW_UH_RUNLOCK(ch);
531 	da.ch = ch;
536 	IPFW_UH_RUNLOCK(ch);