1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* 2 /*
3 * IEEE 802.1Q GARP VLAN Registration Pro 3 * IEEE 802.1Q GARP VLAN Registration Protocol (GVRP)
4 * 4 *
5 * Copyright (c) 2008 Patrick McHardy <ka 5 * Copyright (c) 2008 Patrick McHardy <kaber@trash.net>
6 */ 6 */
7 #include <linux/types.h> 7 #include <linux/types.h>
8 #include <linux/if_vlan.h> 8 #include <linux/if_vlan.h>
9 #include <net/garp.h> 9 #include <net/garp.h>
10 #include "vlan.h" 10 #include "vlan.h"
11 11
12 #define GARP_GVRP_ADDRESS { 0x01, 0x80, 12 #define GARP_GVRP_ADDRESS { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x21 }
13 13
14 enum gvrp_attributes { 14 enum gvrp_attributes {
15 GVRP_ATTR_INVALID, 15 GVRP_ATTR_INVALID,
16 GVRP_ATTR_VID, 16 GVRP_ATTR_VID,
17 __GVRP_ATTR_MAX 17 __GVRP_ATTR_MAX
18 }; 18 };
19 #define GVRP_ATTR_MAX (__GVRP_ATTR_MAX - 1) 19 #define GVRP_ATTR_MAX (__GVRP_ATTR_MAX - 1)
20 20
21 static struct garp_application vlan_gvrp_app _ 21 static struct garp_application vlan_gvrp_app __read_mostly = {
22 .proto.group_address = GARP_GVRP_AD 22 .proto.group_address = GARP_GVRP_ADDRESS,
23 .maxattr = GVRP_ATTR_MA 23 .maxattr = GVRP_ATTR_MAX,
24 .type = GARP_APPLICA 24 .type = GARP_APPLICATION_GVRP,
25 }; 25 };
26 26
27 int vlan_gvrp_request_join(const struct net_de 27 int vlan_gvrp_request_join(const struct net_device *dev)
28 { 28 {
29 const struct vlan_dev_priv *vlan = vla 29 const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
30 __be16 vlan_id = htons(vlan->vlan_id); 30 __be16 vlan_id = htons(vlan->vlan_id);
31 31
32 if (vlan->vlan_proto != htons(ETH_P_80 32 if (vlan->vlan_proto != htons(ETH_P_8021Q))
33 return 0; 33 return 0;
34 return garp_request_join(vlan->real_de 34 return garp_request_join(vlan->real_dev, &vlan_gvrp_app,
35 &vlan_id, siz 35 &vlan_id, sizeof(vlan_id), GVRP_ATTR_VID);
36 } 36 }
37 37
38 void vlan_gvrp_request_leave(const struct net_ 38 void vlan_gvrp_request_leave(const struct net_device *dev)
39 { 39 {
40 const struct vlan_dev_priv *vlan = vla 40 const struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
41 __be16 vlan_id = htons(vlan->vlan_id); 41 __be16 vlan_id = htons(vlan->vlan_id);
42 42
43 if (vlan->vlan_proto != htons(ETH_P_80 43 if (vlan->vlan_proto != htons(ETH_P_8021Q))
44 return; 44 return;
45 garp_request_leave(vlan->real_dev, &vl 45 garp_request_leave(vlan->real_dev, &vlan_gvrp_app,
46 &vlan_id, sizeof(vl 46 &vlan_id, sizeof(vlan_id), GVRP_ATTR_VID);
47 } 47 }
48 48
49 int vlan_gvrp_init_applicant(struct net_device 49 int vlan_gvrp_init_applicant(struct net_device *dev)
50 { 50 {
51 return garp_init_applicant(dev, &vlan_ 51 return garp_init_applicant(dev, &vlan_gvrp_app);
52 } 52 }
53 53
54 void vlan_gvrp_uninit_applicant(struct net_dev 54 void vlan_gvrp_uninit_applicant(struct net_device *dev)
55 { 55 {
56 garp_uninit_applicant(dev, &vlan_gvrp_ 56 garp_uninit_applicant(dev, &vlan_gvrp_app);
57 } 57 }
58 58
59 int __init vlan_gvrp_init(void) 59 int __init vlan_gvrp_init(void)
60 { 60 {
61 return garp_register_application(&vlan 61 return garp_register_application(&vlan_gvrp_app);
62 } 62 }
63 63
64 void vlan_gvrp_uninit(void) 64 void vlan_gvrp_uninit(void)
65 { 65 {
66 garp_unregister_application(&vlan_gvrp 66 garp_unregister_application(&vlan_gvrp_app);
67 } 67 }
68 68
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