bsd/net/if_llreach.c

187 ifnet_llreach_ifattach(struct ifnet *ifp, boolean_t reuse)
189 	lck_rw_lock_exclusive(&ifp->if_llreach_lock);
192 		RB_INIT(&ifp->if_ll_srcs);
193 	lck_rw_done(&ifp->if_llreach_lock);
197 ifnet_llreach_ifdetach(struct ifnet *ifp)
199 #pragma unused(ifp)
203 	 * to by route entries pointing to this ifp.
265 ifnet_llreach_set_reachable(struct ifnet *ifp, u_int16_t llproto, void *addr,
275 	lck_rw_lock_shared(&ifp->if_llreach_lock);
276 	lr = RB_FIND(ll_reach_tree, &ifp->if_ll_srcs, &find);
278 		lck_rw_done(&ifp->if_llreach_lock);
285 	lck_rw_done(&ifp->if_llreach_lock);
289 ifnet_llreach_alloc(struct ifnet *ifp, u_int16_t llproto, void *addr,
303 	lck_rw_lock_shared(&ifp->if_llreach_lock);
304 	lr = RB_FIND(ll_reach_tree, &ifp->if_ll_srcs, &find);
314 		lck_rw_done(&ifp->if_llreach_lock);
318 	if (!lck_rw_lock_shared_to_exclusive(&ifp->if_llreach_lock))
319 		lck_rw_lock_exclusive(&ifp->if_llreach_lock);
321 	lck_rw_assert(&ifp->if_llreach_lock, LCK_RW_ASSERT_EXCLUSIVE);
324 	lr = RB_FIND(ll_reach_tree, &ifp->if_ll_srcs, &find);
330 		lck_rw_done(&ifp->if_llreach_lock);
345 	lr->lr_ifp = ifp;
351 	RB_INSERT(ll_reach_tree, &ifp->if_ll_srcs, lr);
353 	lck_rw_done(&ifp->if_llreach_lock);
361 	struct ifnet *ifp;
364 	ifp = lr->lr_ifp;
366 	lck_rw_lock_exclusive(&ifp->if_llreach_lock);
375 		lck_rw_done(&ifp->if_llreach_lock);
385 	RB_REMOVE(ll_reach_tree, &ifp->if_ll_srcs, lr);
387 	lck_rw_done(&ifp->if_llreach_lock);
426 ifnet_llreach_get_defrouter(struct ifnet *ifp, int af,
434 	VERIFY(ifp != NULL && iflri != NULL &&
449 	rt = rt_lookup(TRUE, SA(&dst_ss), SA(&mask_ss), rnh, ifp->if_index);
628 	struct ifnet	*ifp;
647 	ifp = ifindex2ifnet[ifindex];
649 	if (ifp == NULL) {
650 		printf("%s: no ifp for ifindex %u\n", __func__, ifindex);
654 	lck_rw_lock_shared(&ifp->if_llreach_lock);
655 	RB_FOREACH(lr, ll_reach_tree, &ifp->if_ll_srcs) {
664 	lck_rw_done(&ifp->if_llreach_lock);