sys/netinet/sctp_output.c

3468 sctp_find_cmsg(int c_type, void *data, struct mbuf *control, size_t cpsize)
3478 	 * Independent of how many mbufs, find the c_type inside the control
3482 	tot_len = SCTP_BUF_LEN(control);
3489 		m_copydata(control, off, sizeof(cmh), (caddr_t)&cmh);
3514 				m_copydata(control, cmsg_data_off, (int)cpsize, (caddr_t)data);
3531 					m_copydata(control, cmsg_data_off, sizeof(struct sctp_sndinfo), (caddr_t)&sndinfo);
3542 					m_copydata(control, cmsg_data_off, sizeof(struct sctp_prinfo), (caddr_t)&prinfo);
3554 					m_copydata(control, cmsg_data_off, sizeof(struct sctp_authinfo), (caddr_t)&authinfo);
3569 sctp_process_cmsgs_for_init(struct sctp_tcb *stcb, struct mbuf *control, int *error)
3581 	tot_len = SCTP_BUF_LEN(control);
3589 		m_copydata(control, off, sizeof(cmh), (caddr_t)&cmh);
3609 				m_copydata(control, cmsg_data_off, sizeof(struct sctp_initmsg), (caddr_t)&initmsg);
3672 				m_copydata(control, cmsg_data_off, sizeof(struct in_addr), (caddr_t)&sin.sin_addr);
3696 				m_copydata(control, cmsg_data_off, sizeof(struct in6_addr), (caddr_t)&sin6.sin6_addr);
3736     struct mbuf *control,
3751 	tot_len = SCTP_BUF_LEN(control);
3759 		m_copydata(control, off, sizeof(cmh), (caddr_t)&cmh);
3784 				m_copydata(control, cmsg_data_off, sizeof(struct in_addr), (caddr_t)&sin.sin_addr);
3798 				m_copydata(control, cmsg_data_off, sizeof(struct in6_addr), (caddr_t)&sin6.sin6_addr);
7858 	 *   any control in the control chunk queue also.
8062 			 * Nothing on control or asconf and flight is full,
8158 				 * from the chk->data for control but the
8162 				 * reconstruct the merged control chain.. el
8224 					 * is a control only packet.
8313 		/* Now first lets go through the control queue */
8383 				 * from the chk->data for control but the
8387 				 * reconstruct the merged control chain.. el
8491 					 * is a control only packet.
8656 					/* let only control go out */
8820 			/* We may need to start a control timer or two */
8956 	 * the control chunk queue.
9022 	 * pull out the cookie and put it at the front of the control chunk
9470 	 * rwnd. For a Cookie or Asconf in the control chunk queue we
9554 	/* do we have control chunks to retransmit? */
10031 	 *   to combine any control in the control chunk queue also.
10070 	 * Do we have something to send, data or control AND a sack timer
10103 			 * output (only control)
10110 			 * now lets push out control by calling med-level
10141 			/* Push out any control */
10181 						 * control given in the
10182 						 * congestion control module
10277 	 * Now we need to clean up the control chunk chain if a ECNE is on
10298     struct mbuf *control,
10315 	    control,
10542 	 * Queue up a SACK or NR-SACK in the control queue.
10544 	 * somehow on the control queue.
10894 	 * now that the chunk is prepared queue it to the control chunk
12506     struct mbuf *control,
12518 	if (control) {
12520 		if (sctp_find_cmsg(SCTP_SNDRCV, (void *)&sndrcvninfo, control,
12539 	    control,
12553     struct mbuf *control,
12751 		if ((stcb == NULL) && (control != NULL) && (port > 0)) {
12752 			stcb = sctp_findassociation_cmsgs(&t_inp, port, control, &net, &error);
12829 			if (control) {
12830 				if (sctp_process_cmsgs_for_init(stcb, control, &error)) {
12957 	/* we are now done with all control */
12958 	if (control) {
12959 		sctp_m_freem(control);
12960 		control = NULL;
13741 		/* Here we do control only */
13783 	if (control) {
13784 		sctp_m_freem(control);