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Add new vhost-user netdev backend

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Add a new QEMU netdev backend that is intended to invoke vhost_net with the
vhost-user backend. It uses an Unix socket chardev to establish a
communication with the 'slave' (client and server mode supported).

At runtime the netdev will handle OPEN/CLOSE events from the chardev. Upon
disconnection it will set link_down accordingly and notify virtio-net; the
virtio-net interface will go down.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Nikolay Nikolaev 2014-05-27 15:06:29 +03:00 • committed by Michael S. Tsirkin
parent 5f4c01cab1
commit d314f586b3
4 changed files with 176 additions and 1 deletions
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17
include/net/vhost-user.h Normal file
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/*
* vhost-user.h
*
* Copyright (c) 2013 Virtual Open Systems Sarl.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#ifndef VHOST_USER_H_
#define VHOST_USER_H_
struct vhost_net;
struct vhost_net *vhost_user_get_vhost_net(NetClientState *nc);
#endif /* VHOST_USER_H_ */