Am 21.04.2021 um 13:30 schrieb Tomas Mudrunka: > pcb->snd_queuelen >= pbuf_clen(next->p)
This means that the counter of pbufs outstanding to be ACKed is smaller than the actual number of the pbufs we take off the list. I can't tell you why that would happen though. Regards, Simon _______________________________________________ lwip-users mailing list lwip-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/lwip-users