common/os/netstack.c

152 netstack_register(int moduleid,
160 	ASSERT(moduleid >= 0 && moduleid < NS_MAX);
168 	ASSERT(ns_reg[moduleid].nr_create == NULL);
169 	ASSERT(ns_reg[moduleid].nr_flags == 0);
170 	ns_reg[moduleid].nr_create = module_create;
171 	ns_reg[moduleid].nr_shutdown = module_shutdown;
172 	ns_reg[moduleid].nr_destroy = module_destroy;
173 	ns_reg[moduleid].nr_flags = NRF_REGISTERED;
182 		nm_state_t *nms = &ns->netstack_m_state[moduleid];
189 			    netstack_t *, ns, int, moduleid);
198 	 * Make sure we either run all the create functions for this moduleid
199 	 * or we wait for any other creators for this moduleid.
201 	apply_all_netstacks(moduleid, netstack_apply_create);
205 netstack_unregister(int moduleid)
209 	ASSERT(moduleid >= 0 && moduleid < NS_MAX);
211 	ASSERT(ns_reg[moduleid].nr_create != NULL);
212 	ASSERT(ns_reg[moduleid].nr_flags & NRF_REGISTERED);
223 		nm_state_t *nms = &ns->netstack_m_state[moduleid];
226 		if (ns_reg[moduleid].nr_shutdown != NULL &&
231 			    netstack_t *, ns, int, moduleid);
233 		if ((ns_reg[moduleid].nr_flags & NRF_REGISTERED) &&
234 		    ns_reg[moduleid].nr_destroy != NULL &&
239 			    netstack_t *, ns, int, moduleid);
248 	ns_reg[moduleid].nr_flags |= NRF_DYING;
251 	apply_all_netstacks(moduleid, netstack_apply_shutdown);
252 	apply_all_netstacks(moduleid, netstack_apply_destroy);
260 	ASSERT(ns_reg[moduleid].nr_flags & NRF_REGISTERED);
261 	ASSERT(ns_reg[moduleid].nr_flags & NRF_DYING);
263 		nm_state_t *nms = &ns->netstack_m_state[moduleid];
269 			    netstack_t *, ns, int, moduleid);
274 	ns_reg[moduleid].nr_create = NULL;
275 	ns_reg[moduleid].nr_shutdown = NULL;
276 	ns_reg[moduleid].nr_destroy = NULL;
277 	ns_reg[moduleid].nr_flags = 0;
345 	 * the existing create callbacks to complete in moduleid order
408 	 * the existing create callbacks to complete in moduleid order
498 	 * the existing destroy callbacks to complete in reverse moduleid order
559  * Apply a function to all netstacks for a particular moduleid.
579 apply_all_netstacks(int moduleid, applyfn_t *applyfn)
589 		} else if ((applyfn)(&netstack_g_lock, ns, moduleid)) {
621 /* Like the above but in reverse moduleid order */
639  * Call the create function for the ns and moduleid if CREATE_NEEDED
650 netstack_apply_create(kmutex_t *lockp, netstack_t *ns, int moduleid)
654 	nm_state_t *nms = &ns->netstack_m_state[moduleid];
667 		    netstack_t *, ns, int, moduleid);
672 		ASSERT(ns_reg[moduleid].nr_create != NULL);
677 		result = (ns_reg[moduleid].nr_create)(stackid, ns);
684 		ns->netstack_modules[moduleid] = result;
689 		    netstack_t *, ns, int, moduleid);
699  * Call the shutdown function for the ns and moduleid if SHUTDOWN_NEEDED
710 netstack_apply_shutdown(kmutex_t *lockp, netstack_t *ns, int moduleid)
714 	nm_state_t *nms = &ns->netstack_m_state[moduleid];
727 		    netstack_t *, ns, int, moduleid);
732 		ASSERT(ns_reg[moduleid].nr_shutdown != NULL);
734 		netstack_module = ns->netstack_modules[moduleid];
738 		(ns_reg[moduleid].nr_shutdown)(stackid, netstack_module);
748 		    netstack_t *, ns, int, moduleid);
758  * Call the destroy function for the ns and moduleid if DESTROY_NEEDED
769 netstack_apply_destroy(kmutex_t *lockp, netstack_t *ns, int moduleid)
773 	nm_state_t *nms = &ns->netstack_m_state[moduleid];
786 		    netstack_t *, ns, int, moduleid);
791 		ASSERT(ns_reg[moduleid].nr_destroy != NULL);
793 		netstack_module = ns->netstack_modules[moduleid];
797 		(ns_reg[moduleid].nr_destroy)(stackid, netstack_module);
803 		ns->netstack_modules[moduleid] = NULL;
808 		    netstack_t *, ns, int, moduleid);
853  * Wait for any INPROGRESS flag to be cleared for the netstack/moduleid