1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* 2 /*
3 * Copyright (c) 2007-2014 Nicira, Inc. 3 * Copyright (c) 2007-2014 Nicira, Inc.
4 */ 4 */
5 5
6 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 6 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
7 7
8 #include <linux/if.h> 8 #include <linux/if.h>
9 #include <linux/skbuff.h> 9 #include <linux/skbuff.h>
10 #include <linux/ip.h> 10 #include <linux/ip.h>
11 #include <linux/if_tunnel.h> 11 #include <linux/if_tunnel.h>
12 #include <linux/if_vlan.h> 12 #include <linux/if_vlan.h>
13 #include <linux/in.h> 13 #include <linux/in.h>
14 #include <linux/in_route.h> 14 #include <linux/in_route.h>
15 #include <linux/inetdevice.h> 15 #include <linux/inetdevice.h>
16 #include <linux/jhash.h> 16 #include <linux/jhash.h>
17 #include <linux/list.h> 17 #include <linux/list.h>
18 #include <linux/kernel.h> 18 #include <linux/kernel.h>
19 #include <linux/module.h> 19 #include <linux/module.h>
20 #include <linux/workqueue.h> 20 #include <linux/workqueue.h>
21 #include <linux/rculist.h> 21 #include <linux/rculist.h>
22 #include <net/route.h> 22 #include <net/route.h>
23 #include <net/xfrm.h> 23 #include <net/xfrm.h>
24 24
25 #include <net/icmp.h> 25 #include <net/icmp.h>
26 #include <net/ip.h> 26 #include <net/ip.h>
27 #include <net/ip_tunnels.h> 27 #include <net/ip_tunnels.h>
28 #include <net/gre.h> 28 #include <net/gre.h>
29 #include <net/net_namespace.h> 29 #include <net/net_namespace.h>
30 #include <net/netns/generic.h> 30 #include <net/netns/generic.h>
31 #include <net/protocol.h> 31 #include <net/protocol.h>
32 32
33 #include "datapath.h" 33 #include "datapath.h"
34 #include "vport.h" 34 #include "vport.h"
35 #include "vport-netdev.h" 35 #include "vport-netdev.h"
36 36
37 static struct vport_ops ovs_gre_vport_ops; 37 static struct vport_ops ovs_gre_vport_ops;
38 38
39 static struct vport *gre_tnl_create(const stru 39 static struct vport *gre_tnl_create(const struct vport_parms *parms)
40 { 40 {
41 struct net *net = ovs_dp_get_net(parms 41 struct net *net = ovs_dp_get_net(parms->dp);
42 struct net_device *dev; 42 struct net_device *dev;
43 struct vport *vport; 43 struct vport *vport;
44 int err; 44 int err;
45 45
46 vport = ovs_vport_alloc(0, &ovs_gre_vp 46 vport = ovs_vport_alloc(0, &ovs_gre_vport_ops, parms);
47 if (IS_ERR(vport)) 47 if (IS_ERR(vport))
48 return vport; 48 return vport;
49 49
50 rtnl_lock(); 50 rtnl_lock();
51 dev = gretap_fb_dev_create(net, parms- 51 dev = gretap_fb_dev_create(net, parms->name, NET_NAME_USER);
52 if (IS_ERR(dev)) { 52 if (IS_ERR(dev)) {
53 rtnl_unlock(); 53 rtnl_unlock();
54 ovs_vport_free(vport); 54 ovs_vport_free(vport);
55 return ERR_CAST(dev); 55 return ERR_CAST(dev);
56 } 56 }
57 57
58 err = dev_change_flags(dev, dev->flags 58 err = dev_change_flags(dev, dev->flags | IFF_UP, NULL);
59 if (err < 0) { 59 if (err < 0) {
60 rtnl_delete_link(dev, 0, NULL) !! 60 rtnl_delete_link(dev);
61 rtnl_unlock(); 61 rtnl_unlock();
62 ovs_vport_free(vport); 62 ovs_vport_free(vport);
63 return ERR_PTR(err); 63 return ERR_PTR(err);
64 } 64 }
65 65
66 rtnl_unlock(); 66 rtnl_unlock();
67 return vport; 67 return vport;
68 } 68 }
69 69
70 static struct vport *gre_create(const struct v 70 static struct vport *gre_create(const struct vport_parms *parms)
71 { 71 {
72 struct vport *vport; 72 struct vport *vport;
73 73
74 vport = gre_tnl_create(parms); 74 vport = gre_tnl_create(parms);
75 if (IS_ERR(vport)) 75 if (IS_ERR(vport))
76 return vport; 76 return vport;
77 77
78 return ovs_netdev_link(vport, parms->n 78 return ovs_netdev_link(vport, parms->name);
79 } 79 }
80 80
81 static struct vport_ops ovs_gre_vport_ops = { 81 static struct vport_ops ovs_gre_vport_ops = {
82 .type = OVS_VPORT_TYPE_GRE, 82 .type = OVS_VPORT_TYPE_GRE,
83 .create = gre_create, 83 .create = gre_create,
84 .send = dev_queue_xmit, 84 .send = dev_queue_xmit,
85 .destroy = ovs_netdev_tunnel_de 85 .destroy = ovs_netdev_tunnel_destroy,
86 }; 86 };
87 87
88 static int __init ovs_gre_tnl_init(void) 88 static int __init ovs_gre_tnl_init(void)
89 { 89 {
90 return ovs_vport_ops_register(&ovs_gre 90 return ovs_vport_ops_register(&ovs_gre_vport_ops);
91 } 91 }
92 92
93 static void __exit ovs_gre_tnl_exit(void) 93 static void __exit ovs_gre_tnl_exit(void)
94 { 94 {
95 ovs_vport_ops_unregister(&ovs_gre_vpor 95 ovs_vport_ops_unregister(&ovs_gre_vport_ops);
96 } 96 }
97 97
98 module_init(ovs_gre_tnl_init); 98 module_init(ovs_gre_tnl_init);
99 module_exit(ovs_gre_tnl_exit); 99 module_exit(ovs_gre_tnl_exit);
100 100
101 MODULE_DESCRIPTION("OVS: GRE switching port"); 101 MODULE_DESCRIPTION("OVS: GRE switching port");
102 MODULE_LICENSE("GPL"); 102 MODULE_LICENSE("GPL");
103 MODULE_ALIAS("vport-type-3"); 103 MODULE_ALIAS("vport-type-3");
104 104
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