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| author | James Clarke <jrtc27@jrtc27.com> | 2018-04-17 15:10:58 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-05-31 21:19:24 +0200 |
| commit | b0060110aaaf3d2b7a0d2fc938e87848d188837c (patch) | |
| tree | d7b3a1029ea2a07d581e60d8cbd856bc1f524920 /slirp | |
| parent | 1fb3f7f285606c3af2b58cac52f47e9927a5ebea (diff) | |
| download | qemu-b0060110aaaf3d2b7a0d2fc938e87848d188837c.zip qemu-b0060110aaaf3d2b7a0d2fc938e87848d188837c.tar.gz qemu-b0060110aaaf3d2b7a0d2fc938e87848d188837c.tar.bz2 | |
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>
Diffstat (limited to 'slirp')
| -rw-r--r-- | slirp/slirp.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/slirp/slirp.c b/slirp/slirp.c index 4f29753..5c3bd61 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -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 - */ } /* |