slirp: Send window updates to guest after window was closed

If the receive window presented to the guest closes, slirp should send a
window update once the window reopens sufficiently, rather than forcing
the guest to send a window probe, which can take several seconds.

Signed-off-by: James Clarke <jrtc27@jrtc27.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
This commit is contained in:
James Clarke 2018-04-17 15:10:58 +01:00 committed by Samuel Thibault
parent 1fb3f7f285
commit b0060110aa

View File

@ -678,13 +678,13 @@ void slirp_pollfds_poll(GArray *pollfds, int select_error)
/* continue; */
} else {
ret = sowrite(so);
if (ret > 0) {
/* Call tcp_output in case we need to send a window
* update to the guest, otherwise it will be stuck
* until it sends a window probe. */
tcp_output(sototcpcb(so));
}
}
/*
* XXXXX If we wrote something (a lot), there
* could be a need for a window update.
* In the worst case, the remote will send
* a window probe to get things going again
*/
}
/*