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net: Add Open vSwitch kernel components.

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Open vSwitch is a multilayer Ethernet switch targeted at virtualized
environments.  In addition to supporting a variety of features
expected in a traditional hardware switch, it enables fine-grained
programmatic extension and flow-based control of the network.
This control is useful in a wide variety of applications but is
particularly important in multi-server virtualization deployments,
which are often characterized by highly dynamic endpoints and the need
to maintain logical abstractions for multiple tenants.

The Open vSwitch datapath provides an in-kernel fast path for packet
forwarding.  It is complemented by a userspace daemon, ovs-vswitchd,
which is able to accept configuration from a variety of sources and
translate it into packet processing rules.

See http://openvswitch.org for more information and userspace
utilities.

Signed-off-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Jesse Gross 2011-10-25 19:26:31 -07:00
parent 75f2811c64
commit ccb1352e76
20 changed files with 5874 additions and 0 deletions
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42
net/openvswitch/vport-netdev.h Normal file
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/*
* Copyright (c) 2007-2011 Nicira Networks.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*/
#ifndef VPORT_NETDEV_H
#define VPORT_NETDEV_H 1
#include <linux/netdevice.h>
#include "vport.h"
struct vport *ovs_netdev_get_vport(struct net_device *dev);
struct netdev_vport {
struct net_device *dev;
};
static inline struct netdev_vport *
netdev_vport_priv(const struct vport *vport)
{
return vport_priv(vport);
}
const char *ovs_netdev_get_name(const struct vport *);
const char *ovs_netdev_get_config(const struct vport *);
int ovs_netdev_get_ifindex(const struct vport *);
#endif /* vport_netdev.h */