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[Qemu-devel] [PATCH V7 05/12] net/filter-mirror.c: Add new option to ena
From: |
Zhang Chen |
Subject: |
[Qemu-devel] [PATCH V7 05/12] net/filter-mirror.c: Add new option to enable vnet support for filter-redirector |
Date: |
Tue, 4 Jul 2017 14:53:49 +0800 |
We add the vnet_hdr_support option for filter-redirector, default is disabled.
If you use virtio-net-pci net driver or other driver needs vnet_hdr, please
enable it.
Because colo-compare or other modules needs the vnet_hdr_len to parse
packet, we add this new option send the len to others.
You can use it for example:
-object filter-redirector,id=r0,netdev=hn0,queue=tx,outdev=red0,vnet_hdr_support
Signed-off-by: Zhang Chen <address@hidden>
---
net/filter-mirror.c | 23 +++++++++++++++++++++++
qemu-options.hx | 6 +++---
2 files changed, 26 insertions(+), 3 deletions(-)
diff --git a/net/filter-mirror.c b/net/filter-mirror.c
index 4a849d4..4127e15 100644
--- a/net/filter-mirror.c
+++ b/net/filter-mirror.c
@@ -368,6 +368,22 @@ static void filter_redirector_set_outdev(Object *obj,
s->outdev = g_strdup(value);
}
+static bool filter_redirector_get_vnet_hdr(Object *obj, Error **errp)
+{
+ MirrorState *s = FILTER_REDIRECTOR(obj);
+
+ return s->vnet_hdr;
+}
+
+static void filter_redirector_set_vnet_hdr(Object *obj,
+ bool value,
+ Error **errp)
+{
+ MirrorState *s = FILTER_REDIRECTOR(obj);
+
+ s->vnet_hdr = value;
+}
+
static void filter_mirror_init(Object *obj)
{
MirrorState *s = FILTER_MIRROR(obj);
@@ -383,10 +399,17 @@ static void filter_mirror_init(Object *obj)
static void filter_redirector_init(Object *obj)
{
+ MirrorState *s = FILTER_REDIRECTOR(obj);
+
object_property_add_str(obj, "indev", filter_redirector_get_indev,
filter_redirector_set_indev, NULL);
object_property_add_str(obj, "outdev", filter_redirector_get_outdev,
filter_redirector_set_outdev, NULL);
+
+ s->vnet_hdr = false;
+ object_property_add_bool(obj, "vnet_hdr_support",
+ filter_redirector_get_vnet_hdr,
+ filter_redirector_set_vnet_hdr, NULL);
}
static void filter_mirror_fini(Object *obj)
diff --git a/qemu-options.hx b/qemu-options.hx
index f0add6f..3a5951c 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -4242,11 +4242,11 @@ 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 address@hidden, if
it has the vnet_hdr_support flag, filter-mirror will mirror packet with
vnet_hdr_len.
address@hidden -object
filter-redirector,address@hidden,address@hidden,address@hidden,
address@hidden,address@hidden|rx|tx}]
address@hidden -object
filter-redirector,address@hidden,address@hidden,address@hidden,address@hidden,address@hidden|rx|tx}[,vnet_hdr_support]
filter-redirector on netdev @var{netdevid},redirect filter's net packet to
chardev
address@hidden,and redirect indev's packet to filter.
address@hidden,and redirect indev's packet to filter.if it has the
vnet_hdr_support flag,
+filter-redirector will redirect packet with vnet_hdr_len.
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.
--
2.7.4
- [Qemu-devel] [PATCH V7 00/12] Add COLO-proxy virtio-net support, Zhang Chen, 2017/07/04
- [Qemu-devel] [PATCH V7 01/12] net: Add vnet_hdr_len arguments in NetClientState, Zhang Chen, 2017/07/04
- [Qemu-devel] [PATCH V7 06/12] net/colo.c: Make vnet_hdr_len as packet property, Zhang Chen, 2017/07/04
- [Qemu-devel] [PATCH V7 05/12] net/filter-mirror.c: Add new option to enable vnet support for filter-redirector,
Zhang Chen <=
- [Qemu-devel] [PATCH V7 09/12] net/colo.c: Add vnet packet parse feature in colo-proxy, Zhang Chen, 2017/07/04
- [Qemu-devel] [PATCH V7 12/12] docs/colo-proxy.txt: Update colo-proxy usage of net driver with vnet_header, Zhang Chen, 2017/07/04
- [Qemu-devel] [PATCH V7 10/12] net/colo-compare.c: Add vnet packet's tcp/udp/icmp compare, Zhang Chen, 2017/07/04
- [Qemu-devel] [PATCH V7 03/12] net/filter-mirror.c: Introduce parameter for filter_send(), Zhang Chen, 2017/07/04
- [Qemu-devel] [PATCH V7 04/12] net/filter-mirror.c: Make filter mirror support vnet support., Zhang Chen, 2017/07/04
- [Qemu-devel] [PATCH V7 02/12] net/net.c: Add vnet_hdr support in SocketReadState, Zhang Chen, 2017/07/04
- [Qemu-devel] [PATCH V7 07/12] net/colo-compare.c: Introduce parameter for compare_chr_send(), Zhang Chen, 2017/07/04
- [Qemu-devel] [PATCH V7 08/12] net/colo-compare.c: Make colo-compare support vnet_hdr_len, Zhang Chen, 2017/07/04
- [Qemu-devel] [PATCH V7 11/12] net/filter-rewriter.c: Make filter-rewriter support vnet_hdr_len, Zhang Chen, 2017/07/04
- Re: [Qemu-devel] [PATCH V7 00/12] Add COLO-proxy virtio-net support, Jason Wang, 2017/07/13