sys/netinet/sctp_output.c

4940 	struct mbuf *mat, *m_tmp, *op_err, *op_err_last;
4954 	op_err = NULL;
5105 				sctp_m_freem(op_err);
5106 				op_err = NULL;
5115 				op_err = sctp_get_mbuf_for_msg(l_len, 0, M_NOWAIT, 1, MT_DATA);
5116 				if (op_err != NULL) {
5122 					SCTP_BUF_RESV_UF(op_err, sizeof(struct ip6_hdr));
5124 					SCTP_BUF_RESV_UF(op_err, sizeof(struct ip));
5126 					SCTP_BUF_RESV_UF(op_err, sizeof(struct sctphdr));
5127 					SCTP_BUF_RESV_UF(op_err, sizeof(struct sctp_chunkhdr));
5128 					SCTP_BUF_LEN(op_err) = sizeof(struct sctp_gen_error_cause);
5129 					cause = mtod(op_err, struct sctp_gen_error_cause *);
5132 					SCTP_BUF_NEXT(op_err) = SCTP_M_COPYM(mat, at, plen, M_NOWAIT);
5133 					if (SCTP_BUF_NEXT(op_err) == NULL) {
5134 						sctp_m_freem(op_err);
5135 						op_err = NULL;
5139 				return (op_err);
5150 				if (op_err == NULL) {
5161 					op_err = sctp_get_mbuf_for_msg(l_len, 0, M_NOWAIT, 1, MT_DATA);
5162 					if (op_err) {
5163 						SCTP_BUF_LEN(op_err) = 0;
5165 						SCTP_BUF_RESV_UF(op_err, sizeof(struct ip6_hdr));
5167 						SCTP_BUF_RESV_UF(op_err, sizeof(struct ip));
5169 						SCTP_BUF_RESV_UF(op_err, sizeof(struct sctphdr));
5170 						SCTP_BUF_RESV_UF(op_err, sizeof(struct sctp_chunkhdr));
5171 						op_err_last = op_err;
5174 				if (op_err != NULL) {
5182 						sctp_m_freem(op_err);
5183 						op_err = NULL;
5190 							sctp_m_freem(op_err);
5191 							op_err = NULL;
5206 						sctp_m_freem(op_err);
5207 						op_err = NULL;
5225 				return (op_err);
5235 	return (op_err);
5239 	sctp_m_freem(op_err);
5240 	op_err = NULL;
5252 		op_err = sctp_get_mbuf_for_msg(l_len, 0, M_NOWAIT, 1, MT_DATA);
5253 		if (op_err) {
5254 			SCTP_BUF_LEN(op_err) = 0;
5256 			SCTP_BUF_RESV_UF(op_err, sizeof(struct ip6_hdr));
5258 			SCTP_BUF_RESV_UF(op_err, sizeof(struct ip));
5260 			SCTP_BUF_RESV_UF(op_err, sizeof(struct sctphdr));
5261 			SCTP_BUF_RESV_UF(op_err, sizeof(struct sctp_chunkhdr));
5262 			SCTP_BUF_LEN(op_err) = 2 * sizeof(struct sctp_paramhdr);
5263 			param = mtod(op_err, struct sctp_paramhdr *);
5271 	return (op_err);
5285     struct mbuf **op_err)
5300 	*op_err = NULL;
5370 			*op_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code), "Address added");
5382 			*op_err = sctp_generate_cause(SCTP_CAUSE_PROTOCOL_VIOLATION, "Partial parameter");
5386 			*op_err = sctp_generate_cause(SCTP_CAUSE_PROTOCOL_VIOLATION, "Parameter length too small");
5396 					*op_err = sctp_generate_cause(SCTP_CAUSE_PROTOCOL_VIOLATION, "Parameter length illegal");
5402 					*op_err = sctp_generate_cause(SCTP_CAUSE_PROTOCOL_VIOLATION, "");
5419 					*op_err = sctp_generate_cause(SCTP_CAUSE_PROTOCOL_VIOLATION, "Parameter length illegal");
5425 					*op_err = sctp_generate_cause(SCTP_CAUSE_PROTOCOL_VIOLATION, "");
5478 				*op_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code), "Address added");
5507 	struct mbuf *m, *m_tmp, *m_last, *m_cookie, *op_err;
5547 		if (sctp_are_there_new_addresses(asoc, init_pkt, offset, offset + ntohs(init_chk->ch.chunk_length), src, &op_err)) {
5552 			sctp_send_abort(init_pkt, iphlen, src, dst, sh, 0, op_err,
5566 			op_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code),
5568 			sctp_send_abort(init_pkt, iphlen, src, dst, sh, 0, op_err,
5575 	op_err = sctp_arethere_unrecognized_parameters(init_pkt,
5582 		if (op_err == NULL) {
5586 			op_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code),
5590 		    init_chk->init.initiate_tag, op_err,
5598 		sctp_m_freem(op_err);
5788 					sctp_m_freem(op_err);
5820 					sctp_m_freem(op_err);
5903 		sctp_m_freem(op_err);
6109 	if (op_err) {
6111 		for (m_tmp = op_err; m_tmp != NULL; m_tmp = SCTP_BUF_NEXT(m_tmp)) {
6115 		SCTP_BUF_NEXT(m_last) = op_err;
6797 						struct mbuf *op_err;
6803 						op_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code),
6807 						    op_err, false, SCTP_SO_NOT_LOCKED);
8954 sctp_queue_op_err(struct sctp_tcb *stcb, struct mbuf *op_err)
8967 	SCTP_BUF_PREPEND(op_err, sizeof(struct sctp_chunkhdr), M_NOWAIT);
8968 	if (op_err == NULL) {
8973 	for (mat = op_err; mat != NULL; mat = SCTP_BUF_NEXT(mat)) {
8980 		sctp_m_freem(op_err);
8989 			sctp_m_freem(op_err);
8996 		sctp_m_freem(op_err);
9007 	chk->data = op_err;
9009 	hdr = mtod(op_err, struct sctp_chunkhdr *);
9635 			struct mbuf *op_err;
9640 			op_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code),
9643 			sctp_abort_an_association(stcb->sctp_ep, stcb, op_err,
13631 					struct mbuf *op_err;
13641 					op_err = sctp_generate_cause(SCTP_BASE_SYSCTL(sctp_diag_info_code),
13645 					    op_err, false, SCTP_SO_LOCKED);