64 static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,  in sctp_endpoint_init()  argument
73 	memset(ep, 0, sizeof(struct sctp_endpoint));  in sctp_endpoint_init()
75 	ep->digest = kzalloc(SCTP_SIGNATURE_SIZE, gfp);  in sctp_endpoint_init()
76 	if (!ep->digest)  in sctp_endpoint_init()
121 	ep->base.type = SCTP_EP_TYPE_SOCKET;  in sctp_endpoint_init()
124 	atomic_set(&ep->base.refcnt, 1);  in sctp_endpoint_init()
125 	ep->base.dead = 0;  in sctp_endpoint_init()
126 	ep->base.malloced = 1;  in sctp_endpoint_init()
129 	sctp_inq_init(&ep->base.inqueue);  in sctp_endpoint_init()
132 	sctp_inq_set_th_handler(&ep->base.inqueue, sctp_endpoint_bh_rcv);  in sctp_endpoint_init()
135 	sctp_bind_addr_init(&ep->base.bind_addr, 0);  in sctp_endpoint_init()
138 	ep->base.sk = sk;  in sctp_endpoint_init()
139 	sock_hold(ep->base.sk);  in sctp_endpoint_init()
142 	INIT_LIST_HEAD(&ep->asocs);  in sctp_endpoint_init()
145 	ep->sndbuf_policy = sctp_sndbuf_policy;  in sctp_endpoint_init()
151 	ep->rcvbuf_policy = sctp_rcvbuf_policy;  in sctp_endpoint_init()
154 	get_random_bytes(&ep->secret_key[0], SCTP_SECRET_SIZE);  in sctp_endpoint_init()
155 	ep->last_key = ep->current_key = 0;  in sctp_endpoint_init()
156 	ep->key_changed_at = jiffies;  in sctp_endpoint_init()
159 	INIT_LIST_HEAD(&ep->endpoint_shared_keys);  in sctp_endpoint_init()
164 	list_add(&null_key->key_list, &ep->endpoint_shared_keys);  in sctp_endpoint_init()
167 	err = sctp_auth_init_hmacs(ep, gfp);  in sctp_endpoint_init()
174 	ep->auth_hmacs_list = auth_hmacs;  in sctp_endpoint_init()
175 	ep->auth_chunk_list = auth_chunks;  in sctp_endpoint_init()
177 	return ep;  in sctp_endpoint_init()
180 	sctp_auth_destroy_keys(&ep->endpoint_shared_keys);  in sctp_endpoint_init()
185 	kfree(ep->digest);  in sctp_endpoint_init()
195 	struct sctp_endpoint *ep;  in sctp_endpoint_new()  local
198 	ep = t_new(struct sctp_endpoint, gfp);  in sctp_endpoint_new()
199 	if (!ep)  in sctp_endpoint_new()
201 	if (!sctp_endpoint_init(ep, sk, gfp))  in sctp_endpoint_new()
203 	ep->base.malloced = 1;  in sctp_endpoint_new()
204 	SCTP_DBG_OBJCNT_INC(ep);  in sctp_endpoint_new()
205 	return ep;  in sctp_endpoint_new()
208 	kfree(ep);  in sctp_endpoint_new()
214 void sctp_endpoint_add_asoc(struct sctp_endpoint *ep,  in sctp_endpoint_add_asoc()  argument
217 	struct sock *sk = ep->base.sk;  in sctp_endpoint_add_asoc()
227 	list_add_tail(&asoc->asocs, &ep->asocs);  in sctp_endpoint_add_asoc()
237 void sctp_endpoint_free(struct sctp_endpoint *ep)  in sctp_endpoint_free()  argument
239 	ep->base.dead = 1;  in sctp_endpoint_free()
241 	ep->base.sk->sk_state = SCTP_SS_CLOSED;  in sctp_endpoint_free()
244 	sctp_unhash_endpoint(ep);  in sctp_endpoint_free()
246 	sctp_endpoint_put(ep);  in sctp_endpoint_free()
250 static void sctp_endpoint_destroy(struct sctp_endpoint *ep)  in sctp_endpoint_destroy()  argument
252 	SCTP_ASSERT(ep->base.dead, "Endpoint is not dead", return);  in sctp_endpoint_destroy()
255 	crypto_free_hash(sctp_sk(ep->base.sk)->hmac);  in sctp_endpoint_destroy()
258 	kfree(ep->digest);  in sctp_endpoint_destroy()
263 	sctp_auth_destroy_keys(&ep->endpoint_shared_keys);  in sctp_endpoint_destroy()
264 	kfree(ep->auth_hmacs_list);  in sctp_endpoint_destroy()
265 	kfree(ep->auth_chunk_list);  in sctp_endpoint_destroy()
268 	sctp_auth_destroy_hmacs(ep->auth_hmacs);  in sctp_endpoint_destroy()
271 	sctp_inq_free(&ep->base.inqueue);  in sctp_endpoint_destroy()
272 	sctp_bind_addr_free(&ep->base.bind_addr);  in sctp_endpoint_destroy()
275 	if (sctp_sk(ep->base.sk)->bind_hash)  in sctp_endpoint_destroy()
276 		sctp_put_port(ep->base.sk);  in sctp_endpoint_destroy()
279 	if (ep->base.sk)  in sctp_endpoint_destroy()
280 		sock_put(ep->base.sk);  in sctp_endpoint_destroy()
283 	if (ep->base.malloced) {  in sctp_endpoint_destroy()
284 		kfree(ep);  in sctp_endpoint_destroy()
285 		SCTP_DBG_OBJCNT_DEC(ep);  in sctp_endpoint_destroy()
290 void sctp_endpoint_hold(struct sctp_endpoint *ep)  in sctp_endpoint_hold()  argument
292 	atomic_inc(&ep->base.refcnt);  in sctp_endpoint_hold()
298 void sctp_endpoint_put(struct sctp_endpoint *ep)  in sctp_endpoint_put()  argument
300 	if (atomic_dec_and_test(&ep->base.refcnt))  in sctp_endpoint_put()
301 		sctp_endpoint_destroy(ep);  in sctp_endpoint_put()
305 struct sctp_endpoint *sctp_endpoint_is_match(struct sctp_endpoint *ep,  in sctp_endpoint_is_match()  argument
310 	if (htons(ep->base.bind_addr.port) == laddr->v4.sin_port) {  in sctp_endpoint_is_match()
311 		if (sctp_bind_addr_match(&ep->base.bind_addr, laddr,  in sctp_endpoint_is_match()
312 					 sctp_sk(ep->base.sk)))  in sctp_endpoint_is_match()
313 			retval = ep;  in sctp_endpoint_is_match()
324 	const struct sctp_endpoint *ep,  in __sctp_endpoint_lookup_assoc()  argument
339 	hash = sctp_assoc_hashfn(ep->base.bind_addr.port, rport);  in __sctp_endpoint_lookup_assoc()
344 		if (asoc->ep != ep || rport != asoc->peer.port)  in __sctp_endpoint_lookup_assoc()
361 	const struct sctp_endpoint *ep,  in sctp_endpoint_lookup_assoc()  argument
368 	asoc = __sctp_endpoint_lookup_assoc(ep, paddr, transport);  in sctp_endpoint_lookup_assoc()
377 int sctp_endpoint_is_peeled_off(struct sctp_endpoint *ep,  in sctp_endpoint_is_peeled_off()  argument
383 	bp = &ep->base.bind_addr;  in sctp_endpoint_is_peeled_off()
400 	struct sctp_endpoint *ep =  in sctp_endpoint_bh_rcv()  local
413 	if (ep->base.dead)  in sctp_endpoint_bh_rcv()
417 	inqueue = &ep->base.inqueue;  in sctp_endpoint_bh_rcv()
418 	sk = ep->base.sk;  in sctp_endpoint_bh_rcv()
453 			asoc = sctp_endpoint_lookup_assoc(ep,  in sctp_endpoint_bh_rcv()
476 				   ep, asoc, chunk, GFP_ATOMIC);  in sctp_endpoint_bh_rcv()
484 		if (!sctp_sk(sk)->ep)  in sctp_endpoint_bh_rcv()