3987 	struct sctphdr *sctphdr;  in sctp_lowlevel_chunk_output()  local
4158 				sctphdr = (struct sctphdr *)((caddr_t)udp + sizeof(struct udphdr));  in sctp_lowlevel_chunk_output()
4160 				sctphdr = (struct sctphdr *)((caddr_t)ip + sizeof(struct ip));  in sctp_lowlevel_chunk_output()
4163 			sctphdr->src_port = src_port;  in sctp_lowlevel_chunk_output()
4164 			sctphdr->dest_port = dest_port;  in sctp_lowlevel_chunk_output()
4165 			sctphdr->v_tag = v_tag;  in sctp_lowlevel_chunk_output()
4166 			sctphdr->checksum = 0;  in sctp_lowlevel_chunk_output()
4207 					sctphdr->checksum = sctp_calculate_cksum(m, sizeof(struct ip) + sizeof(struct udphdr));  in sctp_lowlevel_chunk_output()
4218 					m->m_pkthdr.csum_data = offsetof(struct sctphdr, checksum);  in sctp_lowlevel_chunk_output()
4227 			SCTP_PROBE5(send, NULL, stcb, ip, stcb, sctphdr);  in sctp_lowlevel_chunk_output()
4490 				sctphdr = (struct sctphdr *)((caddr_t)udp + sizeof(struct udphdr));  in sctp_lowlevel_chunk_output()
4492 				sctphdr = (struct sctphdr *)((caddr_t)ip6h + sizeof(struct ip6_hdr));  in sctp_lowlevel_chunk_output()
4495 			sctphdr->src_port = src_port;  in sctp_lowlevel_chunk_output()
4496 			sctphdr->dest_port = dest_port;  in sctp_lowlevel_chunk_output()
4497 			sctphdr->v_tag = v_tag;  in sctp_lowlevel_chunk_output()
4498 			sctphdr->checksum = 0;  in sctp_lowlevel_chunk_output()
4536 				sctphdr->checksum = sctp_calculate_cksum(m, sizeof(struct ip6_hdr) + sizeof(struct udphdr));  in sctp_lowlevel_chunk_output()
4543 				m->m_pkthdr.csum_data = offsetof(struct sctphdr, checksum);  in sctp_lowlevel_chunk_output()
4551 			SCTP_PROBE5(send, NULL, stcb, ip6h, stcb, sctphdr);  in sctp_lowlevel_chunk_output()
5126 					SCTP_BUF_RESV_UF(op_err, sizeof(struct sctphdr));  in sctp_arethere_unrecognized_parameters()
5169 						SCTP_BUF_RESV_UF(op_err, sizeof(struct sctphdr));  in sctp_arethere_unrecognized_parameters()
5260 			SCTP_BUF_RESV_UF(op_err, sizeof(struct sctphdr));  in sctp_arethere_unrecognized_parameters()
5502     struct sctphdr *sh, struct sctp_init_chunk *init_chk,  in sctp_send_initiate_ack()
11107     struct sctphdr *sh, uint32_t vtag,  in sctp_send_resp_msg()
11114 	struct sctphdr *shout;  in sctp_send_resp_msg()
11153 	len = sizeof(struct sctphdr) + sizeof(struct sctp_chunkhdr);  in sctp_send_resp_msg()
11213 		shout = (struct sctphdr *)((caddr_t)ip + len);  in sctp_send_resp_msg()
11234 		shout = (struct sctphdr *)((caddr_t)ip6 + len);  in sctp_send_resp_msg()
11239 		shout = mtod(mout, struct sctphdr *);  in sctp_send_resp_msg()
11253 		    sizeof(struct sctphdr) +  in sctp_send_resp_msg()
11257 		shout = (struct sctphdr *)((caddr_t)shout + sizeof(struct udphdr));  in sctp_send_resp_msg()
11270 	len += sizeof(struct sctphdr);  in sctp_send_resp_msg()
11271 	ch = (struct sctp_chunkhdr *)((caddr_t)shout + sizeof(struct sctphdr));  in sctp_send_resp_msg()
11306 			mout->m_pkthdr.csum_data = offsetof(struct sctphdr, checksum);  in sctp_send_resp_msg()
11329 			mout->m_pkthdr.csum_data = offsetof(struct sctphdr, checksum);  in sctp_send_resp_msg()
11363     struct sctphdr *sh,  in sctp_send_shutdown_complete2()
11582 	offset = iphlen + sizeof(struct sctphdr);  in sctp_send_packet_dropped()
11635 	    sizeof(struct sctphdr) + SCTP_MED_OVERHEAD));  in sctp_send_packet_dropped()
12366     struct sctphdr *sh, uint32_t vtag, struct mbuf *cause,  in sctp_send_abort()
12384     struct sctphdr *sh, uint32_t vtag, struct mbuf *cause,  in sctp_send_operr_to()