1 /* SPDX-License-Identifier: GPL-2.0 */ !! 1 /* Copyright (C) 2014-2015 B.A.T.M.A.N. contributors:
2 /* Copyright (C) B.A.T.M.A.N. contributors: <<
3 * 2 *
4 * Linus Lüssing 3 * Linus Lüssing
>> 4 *
>> 5 * This program is free software; you can redistribute it and/or
>> 6 * modify it under the terms of version 2 of the GNU General Public
>> 7 * License as published by the Free Software Foundation.
>> 8 *
>> 9 * This program is distributed in the hope that it will be useful, but
>> 10 * WITHOUT ANY WARRANTY; without even the implied warranty of
>> 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
>> 12 * General Public License for more details.
>> 13 *
>> 14 * You should have received a copy of the GNU General Public License
>> 15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
5 */ 16 */
6 17
7 #ifndef _NET_BATMAN_ADV_MULTICAST_H_ 18 #ifndef _NET_BATMAN_ADV_MULTICAST_H_
8 #define _NET_BATMAN_ADV_MULTICAST_H_ 19 #define _NET_BATMAN_ADV_MULTICAST_H_
9 20
10 #include "main.h" 21 #include "main.h"
11 22
12 #include <linux/netlink.h> !! 23 struct sk_buff;
13 #include <linux/skbuff.h> <<
14 #include <linux/types.h> <<
15 24
16 /** 25 /**
17 * enum batadv_forw_mode - the way a packet sh !! 26 * batadv_forw_mode - the way a packet should be forwarded as
>> 27 * @BATADV_FORW_ALL: forward the packet to all nodes (currently via classic
>> 28 * flooding)
>> 29 * @BATADV_FORW_SINGLE: forward the packet to a single node (currently via the
>> 30 * BATMAN unicast routing protocol)
>> 31 * @BATADV_FORW_NONE: don't forward, drop it
18 */ 32 */
19 enum batadv_forw_mode { 33 enum batadv_forw_mode {
20 /** !! 34 BATADV_FORW_ALL,
21 * @BATADV_FORW_BCAST: forward the pac !! 35 BATADV_FORW_SINGLE,
22 * broadcast packet <<
23 */ <<
24 BATADV_FORW_BCAST, <<
25 <<
26 /** <<
27 * @BATADV_FORW_UCASTS: forward the pa <<
28 * or more batman-adv unicast packets <<
29 */ <<
30 BATADV_FORW_UCASTS, <<
31 <<
32 /** <<
33 * @BATADV_FORW_MCAST: forward the pac <<
34 * batman-adv multicast packet <<
35 */ <<
36 BATADV_FORW_MCAST, <<
37 <<
38 /** @BATADV_FORW_NONE: don't forward, <<
39 BATADV_FORW_NONE, 36 BATADV_FORW_NONE,
40 }; 37 };
41 38
42 #ifdef CONFIG_BATMAN_ADV_MCAST 39 #ifdef CONFIG_BATMAN_ADV_MCAST
43 40
>> 41 void batadv_mcast_mla_update(struct batadv_priv *bat_priv);
>> 42
44 enum batadv_forw_mode 43 enum batadv_forw_mode
45 batadv_mcast_forw_mode(struct batadv_priv *bat 44 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
46 unsigned short vid, int !! 45 struct batadv_orig_node **mcast_single_orig);
47 46
48 int batadv_mcast_forw_send(struct batadv_priv !! 47 int batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv,
49 unsigned short vid, !! 48 struct sk_buff *skb,
>> 49 unsigned short vid,
>> 50 struct batadv_orig_node *orig_node);
50 51
51 void batadv_mcast_init(struct batadv_priv *bat 52 void batadv_mcast_init(struct batadv_priv *bat_priv);
52 53
53 int batadv_mcast_mesh_info_put(struct sk_buff <<
54 struct batadv_p <<
55 <<
56 int batadv_mcast_flags_dump(struct sk_buff *ms <<
57 <<
58 void batadv_mcast_free(struct batadv_priv *bat 54 void batadv_mcast_free(struct batadv_priv *bat_priv);
59 55
60 void batadv_mcast_purge_orig(struct batadv_ori 56 void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node);
61 57
62 /* multicast_forw.c */ <<
63 <<
64 int batadv_mcast_forw_tracker_tvlv_handler(str <<
65 str <<
66 <<
67 unsigned int batadv_mcast_forw_packet_hdrlen(u <<
68 <<
69 bool batadv_mcast_forw_push(struct batadv_priv <<
70 unsigned short vid <<
71 <<
72 int batadv_mcast_forw_mcsend(struct batadv_pri <<
73 <<
74 #else 58 #else
75 59
76 static inline enum batadv_forw_mode !! 60 static inline void batadv_mcast_mla_update(struct batadv_priv *bat_priv)
77 batadv_mcast_forw_mode(struct batadv_priv *bat <<
78 unsigned short vid, int <<
79 { 61 {
80 return BATADV_FORW_BCAST; <<
81 } 62 }
82 63
83 static inline int !! 64 static inline enum batadv_forw_mode
84 batadv_mcast_forw_send(struct batadv_priv *bat !! 65 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
85 unsigned short vid, int !! 66 struct batadv_orig_node **mcast_single_orig)
86 { 67 {
87 kfree_skb(skb); !! 68 return BATADV_FORW_ALL;
88 return NET_XMIT_DROP; <<
89 } 69 }
90 70
91 static inline int batadv_mcast_init(struct bat 71 static inline int batadv_mcast_init(struct batadv_priv *bat_priv)
92 { 72 {
93 return 0; 73 return 0;
94 } 74 }
95 75
96 static inline int 76 static inline int
97 batadv_mcast_mesh_info_put(struct sk_buff *msg !! 77 batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv,
98 { !! 78 struct sk_buff *skb,
99 return 0; !! 79 unsigned short vid,
100 } !! 80 struct batadv_orig_node *orig_node)
101 <<
102 static inline int batadv_mcast_flags_dump(stru <<
103 stru <<
104 { 81 {
105 return -EOPNOTSUPP; !! 82 kfree_skb(skb);
>> 83 return NET_XMIT_DROP;
106 } 84 }
107 85
108 static inline void batadv_mcast_free(struct ba 86 static inline void batadv_mcast_free(struct batadv_priv *bat_priv)
109 { 87 {
110 } 88 }
111 89
112 static inline void batadv_mcast_purge_orig(str 90 static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node)
113 { 91 {
114 } <<
115 <<
116 static inline int batadv_mcast_forw_mcsend(str <<
117 str <<
118 { <<
119 kfree_skb(skb); <<
120 return NET_XMIT_DROP; <<
121 } 92 }
122 93
123 #endif /* CONFIG_BATMAN_ADV_MCAST */ 94 #endif /* CONFIG_BATMAN_ADV_MCAST */
124 95
125 #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */ 96 #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */
126 97
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