[lwip-devel] [bug #25882] TCP hangs on MSS > pcb->snd_wnd

[Simon Goldschmidt]

Update of bug #25882 (project lwip):

                  Status:               Need Info => In Progress            

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Follow-up Comment #16:

I've pushed a fix for this where we make sure we don't allocate segments
bigger than half the max. window we ever received. That way, we always send at
least 2 segments per full window and the problem stated in the summary is
fixed.

There is of course still a theoretical possibility of a host not ACKing but
I'm not sure we really need to fix this, can that ever happen? It would mean
that the remote host as more than a half rx window of data that it could ACK.
That would surely be a bug in the remote host's tcp, wouldn't it?

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Reply to this item at:

  <http://savannah.nongnu.org/bugs/?25882>

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