Commit b0060110 authored by James Clarke's avatar James Clarke Committed by Samuel Thibault
Browse files

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: default avatarJames Clarke <jrtc27@jrtc27.com>
Signed-off-by: default avatarSamuel Thibault <samuel.thibault@ens-lyon.org>
parent 1fb3f7f2

slirp/slirp.c

+6 −6
Original line number Diff line number Diff line
@@ -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

                     */

                }



                /*