226 	struct sctp_chunk *retval = NULL;  in sctp_make_init()  local
243 	retval = NULL;  in sctp_make_init()
321 	retval = sctp_make_control(asoc, SCTP_CID_INIT, 0, chunksize);  in sctp_make_init()
322 	if (!retval)  in sctp_make_init()
325 	retval->subh.init_hdr =  in sctp_make_init()
326 		sctp_addto_chunk(retval, sizeof(init), &init);  in sctp_make_init()
327 	retval->param_hdr.v =  in sctp_make_init()
328 		sctp_addto_chunk(retval, addrs_len, addrs.v);  in sctp_make_init()
339 	sctp_addto_chunk(retval, sizeof(sat), &sat);  in sctp_make_init()
340 	sctp_addto_chunk(retval, num_types * sizeof(__u16), &types);  in sctp_make_init()
342 	sctp_addto_chunk(retval, sizeof(ecap_param), &ecap_param);  in sctp_make_init()
351 		sctp_addto_chunk(retval, sizeof(sctp_supported_ext_param_t),  in sctp_make_init()
353 		sctp_addto_param(retval, num_ext, extensions);  in sctp_make_init()
357 		sctp_addto_chunk(retval, sizeof(prsctp_param), &prsctp_param);  in sctp_make_init()
363 		sctp_addto_chunk(retval, sizeof(aiparam), &aiparam);  in sctp_make_init()
368 		sctp_addto_chunk(retval, sizeof(asoc->c.auth_random),  in sctp_make_init()
371 			sctp_addto_chunk(retval, ntohs(auth_hmacs->length),  in sctp_make_init()
374 			sctp_addto_chunk(retval, ntohs(auth_chunks->length),  in sctp_make_init()
379 	return retval;  in sctp_make_init()
387 	struct sctp_chunk *retval;  in sctp_make_init_ack()  local
402 	retval = NULL;  in sctp_make_init_ack()
468 	retval = sctp_make_control(asoc, SCTP_CID_INIT_ACK, 0, chunksize);  in sctp_make_init_ack()
469 	if (!retval)  in sctp_make_init_ack()
481 	retval->transport = chunk->transport;  in sctp_make_init_ack()
483 	retval->subh.init_hdr =  in sctp_make_init_ack()
484 		sctp_addto_chunk(retval, sizeof(initack), &initack);  in sctp_make_init_ack()
485 	retval->param_hdr.v = sctp_addto_chunk(retval, addrs_len, addrs.v);  in sctp_make_init_ack()
486 	sctp_addto_chunk(retval, cookie_len, cookie);  in sctp_make_init_ack()
488 		sctp_addto_chunk(retval, sizeof(ecap_param), &ecap_param);  in sctp_make_init_ack()
493 		sctp_addto_chunk(retval, sizeof(sctp_supported_ext_param_t),  in sctp_make_init_ack()
495 		sctp_addto_param(retval, num_ext, extensions);  in sctp_make_init_ack()
498 		sctp_addto_chunk(retval, sizeof(prsctp_param), &prsctp_param);  in sctp_make_init_ack()
504 		sctp_addto_chunk(retval, sizeof(aiparam), &aiparam);  in sctp_make_init_ack()
508 		sctp_addto_chunk(retval, ntohs(auth_random->length),  in sctp_make_init_ack()
511 			sctp_addto_chunk(retval, ntohs(auth_hmacs->length),  in sctp_make_init_ack()
514 			sctp_addto_chunk(retval, ntohs(auth_chunks->length),  in sctp_make_init_ack()
519 	retval->asoc = (struct sctp_association *) asoc;  in sctp_make_init_ack()
525 	return retval;  in sctp_make_init_ack()
565 	struct sctp_chunk *retval;  in sctp_make_cookie_echo()  local
573 	retval = sctp_make_control(asoc, SCTP_CID_COOKIE_ECHO, 0, cookie_len);  in sctp_make_cookie_echo()
574 	if (!retval)  in sctp_make_cookie_echo()
576 	retval->subh.cookie_hdr =  in sctp_make_cookie_echo()
577 		sctp_addto_chunk(retval, cookie_len, cookie);  in sctp_make_cookie_echo()
589 		retval->transport = chunk->transport;  in sctp_make_cookie_echo()
592 	return retval;  in sctp_make_cookie_echo()
616 	struct sctp_chunk *retval;  in sctp_make_cookie_ack()  local
618 	retval = sctp_make_control(asoc, SCTP_CID_COOKIE_ACK, 0, 0);  in sctp_make_cookie_ack()
629 	if (retval && chunk)  in sctp_make_cookie_ack()
630 		retval->transport = chunk->transport;  in sctp_make_cookie_ack()
632 	return retval;  in sctp_make_cookie_ack()
662 	struct sctp_chunk *retval;  in sctp_make_cwr()  local
666 	retval = sctp_make_control(asoc, SCTP_CID_ECN_CWR, 0,  in sctp_make_cwr()
669 	if (!retval)  in sctp_make_cwr()
672 	retval->subh.ecn_cwr_hdr =  in sctp_make_cwr()
673 		sctp_addto_chunk(retval, sizeof(cwr), &cwr);  in sctp_make_cwr()
686 		retval->transport = chunk->transport;  in sctp_make_cwr()
689 	return retval;  in sctp_make_cwr()
696 	struct sctp_chunk *retval;  in sctp_make_ecne()  local
700 	retval = sctp_make_control(asoc, SCTP_CID_ECN_ECNE, 0,  in sctp_make_ecne()
702 	if (!retval)  in sctp_make_ecne()
704 	retval->subh.ecne_hdr =  in sctp_make_ecne()
705 		sctp_addto_chunk(retval, sizeof(ecne), &ecne);  in sctp_make_ecne()
708 	return retval;  in sctp_make_ecne()
718 	struct sctp_chunk *retval;  in sctp_make_datafrag_empty()  local
737 	retval = sctp_make_data(asoc, flags, chunk_len);  in sctp_make_datafrag_empty()
738 	if (!retval)  in sctp_make_datafrag_empty()
741 	retval->subh.data_hdr = sctp_addto_chunk(retval, sizeof(dp), &dp);  in sctp_make_datafrag_empty()
742 	memcpy(&retval->sinfo, sinfo, sizeof(struct sctp_sndrcvinfo));  in sctp_make_datafrag_empty()
745 	return retval;  in sctp_make_datafrag_empty()
754 	struct sctp_chunk *retval;  in sctp_make_sack()  local
784 	retval = sctp_make_control(asoc, SCTP_CID_SACK, 0, len);  in sctp_make_sack()
785 	if (!retval)  in sctp_make_sack()
818 	retval->transport = asoc->peer.last_data_from;  in sctp_make_sack()
820 	retval->subh.sack_hdr =  in sctp_make_sack()
821 		sctp_addto_chunk(retval, sizeof(sack), &sack);  in sctp_make_sack()
825 		sctp_addto_chunk(retval, sizeof(__u32) * num_gabs,  in sctp_make_sack()
831 		sctp_addto_chunk(retval, sizeof(__u32) * num_dup_tsns,  in sctp_make_sack()
849 	return retval;  in sctp_make_sack()
856 	struct sctp_chunk *retval;  in sctp_make_shutdown()  local
863 	retval = sctp_make_control(asoc, SCTP_CID_SHUTDOWN, 0,  in sctp_make_shutdown()
865 	if (!retval)  in sctp_make_shutdown()
868 	retval->subh.shutdown_hdr =  in sctp_make_shutdown()
869 		sctp_addto_chunk(retval, sizeof(shut), &shut);  in sctp_make_shutdown()
872 		retval->transport = chunk->transport;  in sctp_make_shutdown()
874 	return retval;  in sctp_make_shutdown()
880 	struct sctp_chunk *retval;  in sctp_make_shutdown_ack()  local
882 	retval = sctp_make_control(asoc, SCTP_CID_SHUTDOWN_ACK, 0, 0);  in sctp_make_shutdown_ack()
893 	if (retval && chunk)  in sctp_make_shutdown_ack()
894 		retval->transport = chunk->transport;  in sctp_make_shutdown_ack()
896 	return retval;  in sctp_make_shutdown_ack()
903 	struct sctp_chunk *retval;  in sctp_make_shutdown_complete()  local
911 	retval = sctp_make_control(asoc, SCTP_CID_SHUTDOWN_COMPLETE, flags, 0);  in sctp_make_shutdown_complete()
923 	if (retval && chunk)  in sctp_make_shutdown_complete()
924 		retval->transport = chunk->transport;  in sctp_make_shutdown_complete()
926 	return retval;  in sctp_make_shutdown_complete()
936 	struct sctp_chunk *retval;  in sctp_make_abort()  local
950 	retval = sctp_make_control(asoc, SCTP_CID_ABORT, flags, hint);  in sctp_make_abort()
961 	if (retval && chunk)  in sctp_make_abort()
962 		retval->transport = chunk->transport;  in sctp_make_abort()
964 	return retval;  in sctp_make_abort()
972 	struct sctp_chunk *retval;  in sctp_make_abort_no_data()  local
975 	retval = sctp_make_abort(asoc, chunk, sizeof(sctp_errhdr_t)  in sctp_make_abort_no_data()
978 	if (!retval)  in sctp_make_abort_no_data()
983 	sctp_init_cause(retval, SCTP_ERROR_NO_DATA, sizeof(payload));  in sctp_make_abort_no_data()
984 	sctp_addto_chunk(retval, sizeof(payload), (const void *)&payload);  in sctp_make_abort_no_data()
996 		retval->transport = chunk->transport;  in sctp_make_abort_no_data()
999 	return retval;  in sctp_make_abort_no_data()
1007 	struct sctp_chunk *retval;  in sctp_make_abort_user()  local
1011 	retval = sctp_make_abort(asoc, NULL, sizeof(sctp_errhdr_t) + paylen);  in sctp_make_abort_user()
1012 	if (!retval)  in sctp_make_abort_user()
1026 	sctp_init_cause(retval, SCTP_ERROR_USER_ABORT, paylen);  in sctp_make_abort_user()
1027 	sctp_addto_chunk(retval, paylen, payload);  in sctp_make_abort_user()
1032 	return retval;  in sctp_make_abort_user()
1037 	sctp_chunk_free(retval);  in sctp_make_abort_user()
1038 	retval = NULL;  in sctp_make_abort_user()
1040 	return retval;  in sctp_make_abort_user()
1073 	struct sctp_chunk  *retval;  in sctp_make_abort_violation()  local
1076 	retval = sctp_make_abort(asoc, chunk, sizeof(sctp_errhdr_t) + paylen  in sctp_make_abort_violation()
1078 	if (!retval)  in sctp_make_abort_violation()
1081 	sctp_init_cause(retval, SCTP_ERROR_PROTO_VIOLATION, paylen  in sctp_make_abort_violation()
1086 	sctp_addto_chunk(retval, paylen, payload);  in sctp_make_abort_violation()
1087 	sctp_addto_param(retval, sizeof(sctp_paramhdr_t), &phdr);  in sctp_make_abort_violation()
1090 	return retval;  in sctp_make_abort_violation()
1098 	struct sctp_chunk *retval;  in sctp_make_violation_paramlen()  local
1103 	retval = sctp_make_abort(asoc, chunk, payload_len);  in sctp_make_violation_paramlen()
1104 	if (!retval)  in sctp_make_violation_paramlen()
1107 	sctp_init_cause(retval, SCTP_ERROR_PROTO_VIOLATION,  in sctp_make_violation_paramlen()
1109 	sctp_addto_chunk(retval, sizeof(error), error);  in sctp_make_violation_paramlen()
1110 	sctp_addto_param(retval, sizeof(sctp_paramhdr_t), param);  in sctp_make_violation_paramlen()
1113 	return retval;  in sctp_make_violation_paramlen()
1120 	struct sctp_chunk *retval;  in sctp_make_violation_max_retrans()  local
1124 	retval = sctp_make_abort(asoc, chunk, payload_len);  in sctp_make_violation_max_retrans()
1125 	if (!retval)  in sctp_make_violation_max_retrans()
1128 	sctp_init_cause(retval, SCTP_ERROR_PROTO_VIOLATION, sizeof(error));  in sctp_make_violation_max_retrans()
1129 	sctp_addto_chunk(retval, sizeof(error), error);  in sctp_make_violation_max_retrans()
1132 	return retval;  in sctp_make_violation_max_retrans()
1139 	struct sctp_chunk *retval;  in sctp_make_heartbeat()  local
1142 	retval = sctp_make_control(asoc, SCTP_CID_HEARTBEAT, 0, sizeof(hbinfo));  in sctp_make_heartbeat()
1144 	if (!retval)  in sctp_make_heartbeat()
1156 	retval->transport = (struct sctp_transport *) transport;  in sctp_make_heartbeat()
1157 	retval->subh.hbs_hdr = sctp_addto_chunk(retval, sizeof(hbinfo),  in sctp_make_heartbeat()
1161 	return retval;  in sctp_make_heartbeat()
1168 	struct sctp_chunk *retval;  in sctp_make_heartbeat_ack()  local
1170 	retval  = sctp_make_control(asoc, SCTP_CID_HEARTBEAT_ACK, 0, paylen);  in sctp_make_heartbeat_ack()
1171 	if (!retval)  in sctp_make_heartbeat_ack()
1174 	retval->subh.hbs_hdr = sctp_addto_chunk(retval, paylen, payload);  in sctp_make_heartbeat_ack()
1186 		retval->transport = chunk->transport;  in sctp_make_heartbeat_ack()
1189 	return retval;  in sctp_make_heartbeat_ack()
1200 	struct sctp_chunk *retval;  in sctp_make_op_error_space()  local
1202 	retval = sctp_make_control(asoc, SCTP_CID_ERROR, 0,  in sctp_make_op_error_space()
1204 	if (!retval)  in sctp_make_op_error_space()
1216 		retval->transport = chunk->transport;  in sctp_make_op_error_space()
1219 	return retval;  in sctp_make_op_error_space()
1246 	struct sctp_chunk *retval;  in sctp_make_op_error()  local
1248 	retval = sctp_make_op_error_space(asoc, chunk, paylen + reserve_tail);  in sctp_make_op_error()
1249 	if (!retval)  in sctp_make_op_error()
1252 	sctp_init_cause(retval, cause_code, paylen + reserve_tail);  in sctp_make_op_error()
1253 	sctp_addto_chunk(retval, paylen, payload);  in sctp_make_op_error()
1255 		sctp_addto_param(retval, reserve_tail, NULL);  in sctp_make_op_error()
1258 	return retval;  in sctp_make_op_error()
1263 	struct sctp_chunk *retval;  in sctp_make_auth()  local
1273 	retval = sctp_make_control(asoc, SCTP_CID_AUTH, 0,  in sctp_make_auth()
1275 	if (!retval)  in sctp_make_auth()
1281 	retval->subh.auth_hdr = sctp_addto_chunk(retval, sizeof(sctp_authhdr_t),  in sctp_make_auth()
1284 	hmac = skb_put(retval->skb, hmac_desc->hmac_len);  in sctp_make_auth()
1288 	retval->chunk_hdr->length =  in sctp_make_auth()
1289 		htons(ntohs(retval->chunk_hdr->length) + hmac_desc->hmac_len);  in sctp_make_auth()
1290 	retval->chunk_end = skb_tail_pointer(retval->skb);  in sctp_make_auth()
1292 	return retval;  in sctp_make_auth()
1314 	struct sctp_chunk *retval;  in sctp_chunkify()  local
1316 	retval = kmem_cache_zalloc(sctp_chunk_cachep, GFP_ATOMIC);  in sctp_chunkify()
1318 	if (!retval)  in sctp_chunkify()
1323 	INIT_LIST_HEAD(&retval->list);  in sctp_chunkify()
1324 	retval->skb		= skb;  in sctp_chunkify()
1325 	retval->asoc		= (struct sctp_association *)asoc;  in sctp_chunkify()
1326 	retval->singleton	= 1;  in sctp_chunkify()
1328 	retval->fast_retransmit = SCTP_CAN_FRTX;  in sctp_chunkify()
1331 	INIT_LIST_HEAD(&retval->transmitted_list);  in sctp_chunkify()
1332 	INIT_LIST_HEAD(&retval->frag_list);  in sctp_chunkify()
1334 	atomic_set(&retval->refcnt, 1);  in sctp_chunkify()
1337 	return retval;  in sctp_chunkify()
1366 	struct sctp_chunk *retval;  in _sctp_make_chunk()  local
1384 	retval = sctp_chunkify(skb, asoc, sk);  in _sctp_make_chunk()
1385 	if (!retval) {  in _sctp_make_chunk()
1390 	retval->chunk_hdr = chunk_hdr;  in _sctp_make_chunk()
1391 	retval->chunk_end = ((__u8 *)chunk_hdr) + sizeof(struct sctp_chunkhdr);  in _sctp_make_chunk()
1395 		retval->auth = 1;  in _sctp_make_chunk()
1397 	return retval;  in _sctp_make_chunk()
1607 	sctp_cookie_param_t *retval;  in sctp_pack_cookie()  local
1632 	retval = kzalloc(*cookie_len, GFP_ATOMIC);  in sctp_pack_cookie()
1633 	if (!retval)  in sctp_pack_cookie()
1636 	cookie = (struct sctp_signed_cookie *) retval->body;  in sctp_pack_cookie()
1639 	retval->p.type = SCTP_PARAM_STATE_COOKIE;  in sctp_pack_cookie()
1640 	retval->p.length = htons(*cookie_len);  in sctp_pack_cookie()
1679 	return retval;  in sctp_pack_cookie()
1682 	kfree(retval);  in sctp_pack_cookie()
1695 	struct sctp_association *retval = NULL;  in sctp_unpack_cookie()  local
1812 	retval = sctp_association_new(ep, ep->base.sk, scope, gfp);  in sctp_unpack_cookie()
1813 	if (!retval) {  in sctp_unpack_cookie()
1819 	retval->peer.port = ntohs(chunk->sctp_hdr->source);  in sctp_unpack_cookie()
1822 	memcpy(&retval->c, bear_cookie, sizeof(*bear_cookie));  in sctp_unpack_cookie()
1824 	if (sctp_assoc_set_bind_addr_from_cookie(retval, bear_cookie,  in sctp_unpack_cookie()
1831 	if (list_empty(&retval->base.bind_addr.address_list)) {  in sctp_unpack_cookie()
1832 		sctp_add_bind_addr(&retval->base.bind_addr, &chunk->dest,  in sctp_unpack_cookie()
1836 	retval->next_tsn = retval->c.initial_tsn;  in sctp_unpack_cookie()
1837 	retval->ctsn_ack_point = retval->next_tsn - 1;  in sctp_unpack_cookie()
1838 	retval->addip_serial = retval->c.initial_tsn;  in sctp_unpack_cookie()
1839 	retval->adv_peer_ack_point = retval->ctsn_ack_point;  in sctp_unpack_cookie()
1840 	retval->peer.prsctp_capable = retval->c.prsctp_capable;  in sctp_unpack_cookie()
1841 	retval->peer.adaptation_ind = retval->c.adaptation_ind;  in sctp_unpack_cookie()
1844 	return retval;  in sctp_unpack_cookie()
1847 	if (retval)  in sctp_unpack_cookie()
1848 		sctp_association_free(retval);  in sctp_unpack_cookie()
2058 	int retval = SCTP_IERROR_NO_ERROR;  in sctp_process_unk_param()  local
2062 		retval =  SCTP_IERROR_ERROR;  in sctp_process_unk_param()
2067 		retval =  SCTP_IERROR_ERROR;  in sctp_process_unk_param()
2088 			retval = SCTP_IERROR_NOMEM;  in sctp_process_unk_param()
2095 	return retval;  in sctp_process_unk_param()
2114 	int retval = SCTP_IERROR_NO_ERROR;  in sctp_verify_param()  local
2148 		retval = SCTP_IERROR_ABORT;  in sctp_verify_param()
2169 			retval = SCTP_IERROR_ABORT;  in sctp_verify_param()
2185 			retval = SCTP_IERROR_ABORT;  in sctp_verify_param()
2210 			retval = SCTP_IERROR_ABORT;  in sctp_verify_param()
2218 		retval = sctp_process_unk_param(asoc, param, chunk, err_chunk);  in sctp_verify_param()
2221 	return retval;  in sctp_verify_param()
2495 	int retval = 1;  in sctp_process_param()  local
2651 			retval = 0;  in sctp_process_param()
2664 			retval = 0;  in sctp_process_param()
2679 			retval = 0;  in sctp_process_param()
2693 	return retval;  in sctp_process_param()
2714 	__u32 retval;  in sctp_generate_tsn()  local
2716 	get_random_bytes(&retval, sizeof(__u32));  in sctp_generate_tsn()
2717 	return retval;  in sctp_generate_tsn()
2747 	struct sctp_chunk *retval;  in sctp_make_asconf()  local
2759 	retval = sctp_make_control(asoc, SCTP_CID_ASCONF, 0, length);  in sctp_make_asconf()
2760 	if (!retval)  in sctp_make_asconf()
2765 	retval->subh.addip_hdr =  in sctp_make_asconf()
2766 		sctp_addto_chunk(retval, sizeof(asconf), &asconf);  in sctp_make_asconf()
2767 	retval->param_hdr.v =  in sctp_make_asconf()
2768 		sctp_addto_chunk(retval, addrlen, &addrparam);  in sctp_make_asconf()
2770 	return retval;  in sctp_make_asconf()
2804 	struct sctp_chunk	*retval;  in sctp_make_asconf_update_ip()  local
2839 	retval = sctp_make_asconf(asoc, laddr, totallen);  in sctp_make_asconf_update_ip()
2840 	if (!retval)  in sctp_make_asconf_update_ip()
2853 		sctp_addto_chunk(retval, paramlen, &param);  in sctp_make_asconf_update_ip()
2854 		sctp_addto_chunk(retval, addr_param_len, &addr_param);  in sctp_make_asconf_update_ip()
2866 		sctp_addto_chunk(retval, paramlen, &param);  in sctp_make_asconf_update_ip()
2867 		sctp_addto_chunk(retval, addr_param_len, &addr_param);  in sctp_make_asconf_update_ip()
2869 	return retval;  in sctp_make_asconf_update_ip()
2890 	struct sctp_chunk 	*retval;  in sctp_make_asconf_set_prim()  local
2902 	retval = sctp_make_asconf(asoc, addr, len);  in sctp_make_asconf_set_prim()
2903 	if (!retval)  in sctp_make_asconf_set_prim()
2910 	sctp_addto_chunk(retval, sizeof(param), &param);  in sctp_make_asconf_set_prim()
2911 	sctp_addto_chunk(retval, addrlen, &addrparam);  in sctp_make_asconf_set_prim()
2913 	return retval;  in sctp_make_asconf_set_prim()
2939 	struct sctp_chunk	*retval;  in sctp_make_asconf_ack()  local
2943 	retval = sctp_make_control(asoc, SCTP_CID_ASCONF_ACK, 0, length);  in sctp_make_asconf_ack()
2944 	if (!retval)  in sctp_make_asconf_ack()
2949 	retval->subh.addip_hdr =  in sctp_make_asconf_ack()
2950 		sctp_addto_chunk(retval, sizeof(asconf), &asconf);  in sctp_make_asconf_ack()
2952 	return retval;  in sctp_make_asconf_ack()
3390 	int	retval = 0;  in sctp_process_asconf_ack()  local
3433 			retval = 1;  in sctp_process_asconf_ack()
3469 	return retval;  in sctp_process_asconf_ack()
3477 	struct sctp_chunk *retval = NULL;  in sctp_make_fwdtsn()  local
3485 	retval = sctp_make_control(asoc, SCTP_CID_FWD_TSN, 0, hint);  in sctp_make_fwdtsn()
3487 	if (!retval)  in sctp_make_fwdtsn()
3491 	retval->subh.fwdtsn_hdr =  in sctp_make_fwdtsn()
3492 		sctp_addto_chunk(retval, sizeof(ftsn_hdr), &ftsn_hdr);  in sctp_make_fwdtsn()
3497 		sctp_addto_chunk(retval, sizeof(skip), &skip);  in sctp_make_fwdtsn()
3500 	return retval;  in sctp_make_fwdtsn()