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Asias He
3909f9b57b
Respect guest tcp window size and stop sending tcp segments to guest if guest's receive window is closed. This fixes the TCP hang I'm seeing where guest and host are transferring big chuck of data. This problem was not triggered when guest and external host communicates, probably because guest to external host communication walks through real network and is much slower than guest and host communication. Thus, guest's receive window has little chance to be closed. v2: use pthread_cond_wait to wait Signed-off-by: Asias He <asias.hejun@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>