* Per-Henrik Lundblom <[email protected]> [131105 15:02]: > I'm using a pretty old lwIP version and identified a problem with > leaking MEMP_TCP_SEGs. Reading the lwIP mailing list achives I found at > least two other threads regarding this issue but the only fixes in the > latest code versions are the addition of a few asserts for the fault > conditions. > > Problem arises for me with TCP on bad WLAN links. The end result is that > I get an incoming TCP packet through tcp_input(), (recv_flags & > TF_CLOSED) is true, tcp_pcb_remove() is called. In turn tcp_pcb_purge() > is called but at this point, (pcb->state == CLOSED) and the pcb->unsent > and pcb->unacked queues are not freed. End result is that these segments > are lost. > > The asserts added a couple of years ago can be found in tcp_pcb_remove() > but I see no real cure for the problem. Analyzing the code I have a hard > time to understand why the unsent and unacked queues aren't freed in > tcp_pcb_purge() when in state CLOSED. > > Any input on this?
Is this something that should have been sent to the devel list instead? /PH -- Per-Henrik Lundblom email: [email protected] phone: +46 733 207126 webpage: www.whatever.nu _______________________________________________ lwip-users mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/lwip-users
