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-rw-r--r--qemu-options.hx17
1 files changed, 17 insertions, 0 deletions
diff --git a/qemu-options.hx b/qemu-options.hx
index 328404ca18..2485b94b16 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -3643,6 +3643,23 @@ in PEM format, in filenames @var{ca-cert.pem}, @var{ca-crl.pem} (optional),
@var{server-cert.pem} (only servers), @var{server-key.pem} (only servers),
@var{client-cert.pem} (only clients), and @var{client-key.pem} (only clients).
+@item -object filter-buffer,id=@var{id},netdev=@var{netdevid},interval=@var{t}[,queue=@var{all|rx|tx}]
+
+Interval @var{t} can't be 0, this filter batches the packet delivery: all
+packets arriving in a given interval on netdev @var{netdevid} are delayed
+until the end of the interval. Interval is in microseconds.
+
+queue @var{all|rx|tx} is an option that can be applied to any netfilter.
+
+@option{all}: the filter is attached both to the receive and the transmit
+ queue of the netdev (default).
+
+@option{rx}: the filter is attached to the receive queue of the netdev,
+ where it will receive packets sent to the netdev.
+
+@option{tx}: the filter is attached to the transmit queue of the netdev,
+ where it will receive packets sent by the netdev.
+
@end table
ETEXI