Contributors: 11
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Pravin B Shelar |
246 |
46.42% |
5 |
31.25% |
| Jesse Gross |
199 |
37.55% |
2 |
12.50% |
| Thomas Graf |
46 |
8.68% |
1 |
6.25% |
| Martynas Pumputis |
18 |
3.40% |
1 |
6.25% |
| Wenyu Zhang |
8 |
1.51% |
1 |
6.25% |
| Hangbin Liu |
4 |
0.75% |
1 |
6.25% |
| Jean Sacren |
3 |
0.57% |
1 |
6.25% |
| Thomas Gleixner |
2 |
0.38% |
1 |
6.25% |
| Petr Machata |
2 |
0.38% |
1 |
6.25% |
| Masanari Iida |
1 |
0.19% |
1 |
6.25% |
| Andy Zhou |
1 |
0.19% |
1 |
6.25% |
| Total |
530 |
|
16 |
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2014 Nicira, Inc.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/net.h>
#include <linux/rculist.h>
#include <linux/udp.h>
#include <linux/if_vlan.h>
#include <linux/module.h>
#include <net/geneve.h>
#include <net/icmp.h>
#include <net/ip.h>
#include <net/route.h>
#include <net/udp.h>
#include <net/xfrm.h>
#include "datapath.h"
#include "vport.h"
#include "vport-netdev.h"
static struct vport_ops ovs_geneve_vport_ops;
/**
* struct geneve_port - Keeps track of open UDP ports
* @dst_port: destination port.
*/
struct geneve_port {
u16 dst_port;
};
static inline struct geneve_port *geneve_vport(const struct vport *vport)
{
return vport_priv(vport);
}
static int geneve_get_options(const struct vport *vport,
struct sk_buff *skb)
{
struct geneve_port *geneve_port = geneve_vport(vport);
if (nla_put_u16(skb, OVS_TUNNEL_ATTR_DST_PORT, geneve_port->dst_port))
return -EMSGSIZE;
return 0;
}
static struct vport *geneve_tnl_create(const struct vport_parms *parms)
{
struct net *net = ovs_dp_get_net(parms->dp);
struct nlattr *options = parms->options;
struct geneve_port *geneve_port;
struct net_device *dev;
struct vport *vport;
struct nlattr *a;
u16 dst_port;
int err;
if (!options) {
err = -EINVAL;
goto error;
}
a = nla_find_nested(options, OVS_TUNNEL_ATTR_DST_PORT);
if (a && nla_len(a) == sizeof(u16)) {
dst_port = nla_get_u16(a);
} else {
/* Require destination port from userspace. */
err = -EINVAL;
goto error;
}
vport = ovs_vport_alloc(sizeof(struct geneve_port),
&ovs_geneve_vport_ops, parms);
if (IS_ERR(vport))
return vport;
geneve_port = geneve_vport(vport);
geneve_port->dst_port = dst_port;
rtnl_lock();
dev = geneve_dev_create_fb(net, parms->name, NET_NAME_USER, dst_port);
if (IS_ERR(dev)) {
rtnl_unlock();
ovs_vport_free(vport);
return ERR_CAST(dev);
}
err = dev_change_flags(dev, dev->flags | IFF_UP, NULL);
if (err < 0) {
rtnl_delete_link(dev, 0, NULL);
rtnl_unlock();
ovs_vport_free(vport);
goto error;
}
rtnl_unlock();
return vport;
error:
return ERR_PTR(err);
}
static struct vport *geneve_create(const struct vport_parms *parms)
{
struct vport *vport;
vport = geneve_tnl_create(parms);
if (IS_ERR(vport))
return vport;
return ovs_netdev_link(vport, parms->name);
}
static struct vport_ops ovs_geneve_vport_ops = {
.type = OVS_VPORT_TYPE_GENEVE,
.create = geneve_create,
.destroy = ovs_netdev_tunnel_destroy,
.get_options = geneve_get_options,
.send = dev_queue_xmit,
};
static int __init ovs_geneve_tnl_init(void)
{
return ovs_vport_ops_register(&ovs_geneve_vport_ops);
}
static void __exit ovs_geneve_tnl_exit(void)
{
ovs_vport_ops_unregister(&ovs_geneve_vport_ops);
}
module_init(ovs_geneve_tnl_init);
module_exit(ovs_geneve_tnl_exit);
MODULE_DESCRIPTION("OVS: Geneve switching port");
MODULE_LICENSE("GPL");
MODULE_ALIAS("vport-type-5");