1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) B.A.T.M.A.N. contributors: 2 /* Copyright (C) B.A.T.M.A.N. contributors:
3 * 3 *
4 * Linus Lüssing 4 * Linus Lüssing
5 */ 5 */
6 6
7 #ifndef _NET_BATMAN_ADV_MULTICAST_H_ 7 #ifndef _NET_BATMAN_ADV_MULTICAST_H_
8 #define _NET_BATMAN_ADV_MULTICAST_H_ 8 #define _NET_BATMAN_ADV_MULTICAST_H_
9 9
10 #include "main.h" 10 #include "main.h"
11 11
12 #include <linux/netlink.h> 12 #include <linux/netlink.h>
13 #include <linux/skbuff.h> 13 #include <linux/skbuff.h>
14 #include <linux/types.h> 14 #include <linux/types.h>
15 15
16 /** 16 /**
17 * enum batadv_forw_mode - the way a packet sh 17 * enum batadv_forw_mode - the way a packet should be forwarded as
18 */ 18 */
19 enum batadv_forw_mode { 19 enum batadv_forw_mode {
20 /** 20 /**
21 * @BATADV_FORW_BCAST: forward the pac 21 * @BATADV_FORW_BCAST: forward the packet to all nodes via a batman-adv
22 * broadcast packet 22 * broadcast packet
23 */ 23 */
24 BATADV_FORW_BCAST, 24 BATADV_FORW_BCAST,
25 25
26 /** 26 /**
27 * @BATADV_FORW_UCASTS: forward the pa 27 * @BATADV_FORW_UCASTS: forward the packet to some nodes via one
28 * or more batman-adv unicast packets 28 * or more batman-adv unicast packets
29 */ 29 */
30 BATADV_FORW_UCASTS, 30 BATADV_FORW_UCASTS,
31 31
32 /** 32 /**
33 * @BATADV_FORW_MCAST: forward the pac 33 * @BATADV_FORW_MCAST: forward the packet to some nodes via a
34 * batman-adv multicast packet 34 * batman-adv multicast packet
35 */ 35 */
36 BATADV_FORW_MCAST, 36 BATADV_FORW_MCAST,
37 37
38 /** @BATADV_FORW_NONE: don't forward, 38 /** @BATADV_FORW_NONE: don't forward, drop it */
39 BATADV_FORW_NONE, 39 BATADV_FORW_NONE,
40 }; 40 };
41 41
42 #ifdef CONFIG_BATMAN_ADV_MCAST 42 #ifdef CONFIG_BATMAN_ADV_MCAST
43 43
44 enum batadv_forw_mode 44 enum batadv_forw_mode
45 batadv_mcast_forw_mode(struct batadv_priv *bat 45 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
46 unsigned short vid, int 46 unsigned short vid, int *is_routable);
47 47
48 int batadv_mcast_forw_send(struct batadv_priv 48 int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb,
49 unsigned short vid, 49 unsigned short vid, int is_routable);
50 50
51 void batadv_mcast_init(struct batadv_priv *bat 51 void batadv_mcast_init(struct batadv_priv *bat_priv);
52 52
53 int batadv_mcast_mesh_info_put(struct sk_buff 53 int batadv_mcast_mesh_info_put(struct sk_buff *msg,
54 struct batadv_p 54 struct batadv_priv *bat_priv);
55 55
56 int batadv_mcast_flags_dump(struct sk_buff *ms 56 int batadv_mcast_flags_dump(struct sk_buff *msg, struct netlink_callback *cb);
57 57
58 void batadv_mcast_free(struct batadv_priv *bat 58 void batadv_mcast_free(struct batadv_priv *bat_priv);
59 59
60 void batadv_mcast_purge_orig(struct batadv_ori 60 void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node);
61 61
62 /* multicast_forw.c */ 62 /* multicast_forw.c */
63 63
64 int batadv_mcast_forw_tracker_tvlv_handler(str 64 int batadv_mcast_forw_tracker_tvlv_handler(struct batadv_priv *bat_priv,
65 str 65 struct sk_buff *skb);
66 66
67 unsigned int batadv_mcast_forw_packet_hdrlen(u 67 unsigned int batadv_mcast_forw_packet_hdrlen(unsigned int num_dests);
68 68
69 bool batadv_mcast_forw_push(struct batadv_priv 69 bool batadv_mcast_forw_push(struct batadv_priv *bat_priv, struct sk_buff *skb,
70 unsigned short vid 70 unsigned short vid, int is_routable, int count);
71 71
72 int batadv_mcast_forw_mcsend(struct batadv_pri 72 int batadv_mcast_forw_mcsend(struct batadv_priv *bat_priv, struct sk_buff *skb);
73 73
74 #else 74 #else
75 75
76 static inline enum batadv_forw_mode 76 static inline enum batadv_forw_mode
77 batadv_mcast_forw_mode(struct batadv_priv *bat 77 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
78 unsigned short vid, int 78 unsigned short vid, int *is_routable)
79 { 79 {
80 return BATADV_FORW_BCAST; 80 return BATADV_FORW_BCAST;
81 } 81 }
82 82
83 static inline int 83 static inline int
84 batadv_mcast_forw_send(struct batadv_priv *bat 84 batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb,
85 unsigned short vid, int 85 unsigned short vid, int is_routable)
86 { 86 {
87 kfree_skb(skb); 87 kfree_skb(skb);
88 return NET_XMIT_DROP; 88 return NET_XMIT_DROP;
89 } 89 }
90 90
91 static inline int batadv_mcast_init(struct bat 91 static inline int batadv_mcast_init(struct batadv_priv *bat_priv)
92 { 92 {
93 return 0; 93 return 0;
94 } 94 }
95 95
96 static inline int 96 static inline int
97 batadv_mcast_mesh_info_put(struct sk_buff *msg 97 batadv_mcast_mesh_info_put(struct sk_buff *msg, struct batadv_priv *bat_priv)
98 { 98 {
99 return 0; 99 return 0;
100 } 100 }
101 101
102 static inline int batadv_mcast_flags_dump(stru 102 static inline int batadv_mcast_flags_dump(struct sk_buff *msg,
103 stru 103 struct netlink_callback *cb)
104 { 104 {
105 return -EOPNOTSUPP; 105 return -EOPNOTSUPP;
106 } 106 }
107 107
108 static inline void batadv_mcast_free(struct ba 108 static inline void batadv_mcast_free(struct batadv_priv *bat_priv)
109 { 109 {
110 } 110 }
111 111
112 static inline void batadv_mcast_purge_orig(str 112 static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node)
113 { 113 {
114 } 114 }
115 115
116 static inline int batadv_mcast_forw_mcsend(str 116 static inline int batadv_mcast_forw_mcsend(struct batadv_priv *bat_priv,
117 str 117 struct sk_buff *skb)
118 { 118 {
119 kfree_skb(skb); 119 kfree_skb(skb);
120 return NET_XMIT_DROP; 120 return NET_XMIT_DROP;
121 } 121 }
122 122
123 #endif /* CONFIG_BATMAN_ADV_MCAST */ 123 #endif /* CONFIG_BATMAN_ADV_MCAST */
124 124
125 #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */ 125 #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */
126 126
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