[lwip-devel] [bug #26672] close connection when receive window = 0

[Oleg Tyshev]

URL:
  <http://savannah.nongnu.org/bugs/?26672>

                 Summary: close connection when receive window = 0
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: olegreen
            Submitted on: Mon 25 May 2009 02:25:46 PM GMT
                Category: TCP
                Severity: 3 - Normal
              Item Group: Change Request
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: 
            lwIP version: CVS Head

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Details:

lwip_close should close both directions send and receive.

lwip_close deletes data in receive buffer, but receive window won't be
updated.

If it was situation with zero receive window,
other side can't send FIN, because receive window = 0.

In do_close_internal() will be only tcp_close() called.
It is necessary here set initial receive window.






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