Lines Matching refs:unsent

127   /* first, try to add the fin to the last unsent segment */
128   if (pcb->unsent != NULL) {
130     for (last_unsent = pcb->unsent; last_unsent->next != NULL;
249           pcb->unsent != NULL ||
317   /* If total number of pbufs on the unsent/unacked queues exceeds the
329       pcb->unacked != NULL || pcb->unsent != NULL);
332       pcb->unacked == NULL && pcb->unsent == NULL);
403    * 2. Chain a new pbuf to the end of pcb->unsent.
421   /* Find the tail of the unsent queue. */
422   if (pcb->unsent != NULL) {
427     for (last_unsent = pcb->unsent; last_unsent->next != NULL;
430     /* Usable space at the end of the last unsent segment */
461      * Phase 2: Chain a new pbuf to the end of pcb->unsent.
511     LWIP_ASSERT("unsent_oversize mismatch (pcb->unsent is NULL)",
520    * variable, ready to be appended to pcb->unsent.
650     LWIP_ASSERT("tcp_write: cannot concatenate when pcb->unsent is empty",
664    * Phase 3: Append queue to pcb->unsent. Queue may be NULL, but that
668     pcb->unsent = queue;
684                 pcb->unacked != NULL || pcb->unsent != NULL);
705       pcb->unsent != NULL);
787   /* Now append seg to pcb->unsent queue */
788   if (pcb->unsent == NULL) {
789     pcb->unsent = seg;
792     for (useg = pcb->unsent; useg->next != NULL; useg = useg->next);
796   /* The new unsent tail has no space */
815       pcb->unacked != NULL || pcb->unsent != NULL);
920   seg = pcb->unsent;
923    * because the ->unsent queue is empty or because the window does
943                                    (void*)pcb->unsent));
986     pcb->unsent = seg->next;
1029     seg = pcb->unsent;
1032   if (pcb->unsent == NULL) {
1033     /* last unsent has been removed, reset unsent_oversize */
1247   /* Move all unacked segments to the head of the unsent queue */
1249   /* concatenate unsent queue after unacked queue */
1250   seg->next = pcb->unsent;
1251   /* unsent queue is the concatenated queue (of unacked, unsent) */
1252   pcb->unsent = pcb->unacked;
1255   /* last unsent hasn't changed, no need to reset unsent_oversize */
1284   /* Move the first unacked segment to the unsent queue */
1285   /* Keep the unsent queue sorted. */
1289   cur_seg = &(pcb->unsent);
1298     /* the retransmitted segment is last in unsent, so reset unsent_oversize */
1436     seg = pcb->unsent;
1460        (unsent), seg->p->payload points to the IP header or TCP header.