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compat: Fix nf_ip_hook parameters for RHEL 8
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2736b84e 1/*
99e7b077 2 * Copyright (c) 2007-2015 Nicira, Inc.
2736b84e 3 *
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4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of version 2 of the GNU General Public
6 * License as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
16 * 02110-1301, USA
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17 */
18
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19#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20
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21#include <linux/if.h>
22#include <linux/skbuff.h>
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23#include <linux/ip.h>
24#include <linux/if_tunnel.h>
25#include <linux/if_vlan.h>
26#include <linux/in.h>
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27#include <linux/in_route.h>
28#include <linux/inetdevice.h>
29#include <linux/jhash.h>
30#include <linux/list.h>
31#include <linux/kernel.h>
5a38795f 32#include <linux/module.h>
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33#include <linux/workqueue.h>
34#include <linux/rculist.h>
35#include <net/route.h>
36#include <net/xfrm.h>
37
2736b84e 38#include <net/icmp.h>
2736b84e 39#include <net/ip.h>
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40#include <net/ip_tunnels.h>
41#include <net/gre.h>
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42#include <net/net_namespace.h>
43#include <net/netns/generic.h>
2736b84e 44#include <net/protocol.h>
2736b84e 45
2a4999f3 46#include "datapath.h"
2736b84e 47#include "vport.h"
e23775f2 48#include "vport-netdev.h"
2736b84e 49
5a38795f 50static struct vport_ops ovs_gre_vport_ops;
5a38795f 51
e23775f2 52static struct vport *gre_tnl_create(const struct vport_parms *parms)
b9298d3f 53{
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54 struct net *net = ovs_dp_get_net(parms->dp);
55 struct net_device *dev;
43f31ef5 56 struct vport *vport;
c59b72b5 57 int err;
43f31ef5 58
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59 vport = ovs_vport_alloc(0, &ovs_gre_vport_ops, parms);
60 if (IS_ERR(vport))
61 return vport;
62
63 rtnl_lock();
64 dev = gretap_fb_dev_create(net, parms->name, NET_NAME_USER);
65 if (IS_ERR(dev)) {
66 rtnl_unlock();
67 ovs_vport_free(vport);
68 return ERR_CAST(dev);
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69 }
70
140c8971 71 err = dev_change_flags(dev, dev->flags | IFF_UP, NULL);
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72 if (err < 0) {
73 rtnl_delete_link(dev);
74 rtnl_unlock();
75 ovs_vport_free(vport);
76 return ERR_PTR(err);
77 }
2736b84e 78
c59b72b5 79 rtnl_unlock();
e23775f2 80 return vport;
c405d282 81}
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82
83static struct vport *gre_create(const struct vport_parms *parms)
84{
85c9de19 85 struct vport *vport;
85c9de19 86
e23775f2 87 vport = gre_tnl_create(parms);
c405d282 88 if (IS_ERR(vport))
e23775f2 89 return vport;
85c9de19 90
e23775f2 91 return ovs_netdev_link(vport, parms->name);
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92}
93
5a38795f 94static struct vport_ops ovs_gre_vport_ops = {
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95 .type = OVS_VPORT_TYPE_GRE,
96 .create = gre_create,
e23775f2 97 .send = gre_fb_xmit,
564666e9 98#ifndef USE_UPSTREAM_TUNNEL
aad7cb91 99 .fill_metadata_dst = gre_fill_metadata_dst,
564666e9 100#endif
e23775f2 101 .destroy = ovs_netdev_tunnel_destroy,
2de795ad 102};
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103
104static int __init ovs_gre_tnl_init(void)
105{
99e7b077 106 return ovs_vport_ops_register(&ovs_gre_vport_ops);
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107}
108
109static void __exit ovs_gre_tnl_exit(void)
110{
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111 ovs_vport_ops_unregister(&ovs_gre_vport_ops);
112}
113
114module_init(ovs_gre_tnl_init);
115module_exit(ovs_gre_tnl_exit);
116
117MODULE_DESCRIPTION("OVS: GRE switching port");
118MODULE_LICENSE("GPL");
119MODULE_ALIAS("vport-type-3");