Lines Matching refs:unacked

250           pcb->unacked != 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);
684                 pcb->unacked != NULL || pcb->unsent != NULL);
704     LWIP_ASSERT("tcp_write: valid queue length", pcb->unacked != NULL ||
815       pcb->unacked != NULL || pcb->unsent != NULL);
934   /* useg should point to last segment on unacked queue */
935   useg = pcb->unacked;
970      *   either seg->next != NULL or pcb->unacked == NULL;
1001       /* unacked list is empty? */
1002       if (pcb->unacked == NULL) {
1003         pcb->unacked = seg;
1005       /* unacked list is not empty? */
1008          * of the unacked queue, but rather somewhere before it. We need to check for
1011           /* add segment to before tail of unacked list, keeping the list sorted */
1012           struct tcp_seg **cur_seg = &(pcb->unacked);
1020           /* add segment to tail of unacked list */
1025     /* do not queue empty segments on the unacked list */
1232  * Requeue all unacked segments for retransmission
1236  * @param pcb the tcp_pcb for which to re-enqueue all unacked segments
1243   if (pcb->unacked == NULL) {
1247   /* Move all unacked segments to the head of the unsent queue */
1248   for (seg = pcb->unacked; seg->next != NULL; seg = seg->next);
1249   /* concatenate unsent queue after unacked queue */
1251   /* unsent queue is the concatenated queue (of unacked, unsent) */
1252   pcb->unsent = pcb->unacked;
1253   /* unacked queue is now empty */
1254   pcb->unacked = NULL;
1268  * Requeue the first unacked segment for retransmission
1272  * @param pcb the tcp_pcb for which to retransmit the first unacked segment
1280   if (pcb->unacked == NULL) {
1284   /* Move the first unacked segment to the unsent queue */
1286   seg = pcb->unacked;
1287   pcb->unacked = seg->next;
1318  * @param pcb the tcp_pcb for which to retransmit the first unacked segment
1323   if (pcb->unacked != NULL && !(pcb->flags & TF_INFR)) {
1324     /* This is fast retransmit. Retransmit the first unacked segment. */
1329                  ntohl(pcb->unacked->tcphdr->seqno)));
1433   seg = pcb->unacked;
1457     /* Data segment, copy in one byte from the head of the unacked queue */
1459     /* Depending on whether the segment has already been sent (unacked) or not