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authorZhang Chen <zhangchen.fnst@cn.fujitsu.com>2016-03-17 16:16:26 +0800
committerJason Wang <jasowang@redhat.com>2016-03-30 08:57:28 +0800
commitd46f75b2e95b664cd7ec9007daca933131b1de46 (patch)
treeca27a041f940bc300d17c1093356df5031fbf304 /qemu-options.hx
parentba8940dd8691f16c0180241dab0d1c0da35a71e3 (diff)
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net/filter-mirror: implement filter-redirector
Filter-redirector is a netfilter plugin. It gives qemu the ability to redirect net packet. redirector can redirect filter's net packet to outdev. and redirect indev's packet to filter. filter + redirector | +--------------+ | | | indev +-----------+ +----------> outdev | | | +--------------+ | v filter usage: -netdev user,id=hn0 -chardev socket,id=s0,host=ip_primary,port=X,server,nowait -chardev socket,id=s1,host=ip_primary,port=Y,server,nowait -filter-redirector,id=r0,netdev=hn0,queue=tx/rx/all,indev=s0,outdev=s1 Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'qemu-options.hx')
-rw-r--r--qemu-options.hx9
1 files changed, 9 insertions, 0 deletions
diff --git a/qemu-options.hx b/qemu-options.hx
index 65e0391..a770086 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -3846,6 +3846,15 @@ queue @var{all|rx|tx} is an option that can be applied to any netfilter.
filter-mirror on netdev @var{netdevid},mirror net packet to chardev
@var{chardevid}
+@item -object filter-redirector,id=@var{id},netdev=@var{netdevid},indev=@var{chardevid},
+outdev=@var{chardevid}[,queue=@var{all|rx|tx}]
+
+filter-redirector on netdev @var{netdevid},redirect filter's net packet to chardev
+@var{chardevid},and redirect indev's packet to filter.
+Create a filter-redirector we need to differ outdev id from indev id, id can not
+be the same. we can just use indev or outdev, but at least one of indev or outdev
+need to be specified.
+
@item -object filter-dump,id=@var{id},netdev=@var{dev},file=@var{filename}][,maxlen=@var{len}]
Dump the network traffic on netdev @var{dev} to the file specified by