1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) B.A.T.M.A.N. contributors:
7 #ifndef _NET_BATMAN_ADV_MULTICAST_H_
8 #define _NET_BATMAN_ADV_MULTICAST_H_
12 #include <linux/netlink.h>
13 #include <linux/skbuff.h>
14 #include <linux/types.h>
17 * enum batadv_forw_mode - the way a packet should be forwarded as
19 enum batadv_forw_mode {
21 * @BATADV_FORW_BCAST: forward the packet to all nodes via a batman-adv
27 * @BATADV_FORW_UCASTS: forward the packet to some nodes via one
28 * or more batman-adv unicast packets
33 * @BATADV_FORW_MCAST: forward the packet to some nodes via a
34 * batman-adv multicast packet
38 /** @BATADV_FORW_NONE: don't forward, drop it */
42 #ifdef CONFIG_BATMAN_ADV_MCAST
45 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
46 unsigned short vid, int *is_routable);
48 int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb,
49 unsigned short vid, int is_routable);
51 void batadv_mcast_init(struct batadv_priv *bat_priv);
53 int batadv_mcast_mesh_info_put(struct sk_buff *msg,
54 struct batadv_priv *bat_priv);
56 int batadv_mcast_flags_dump(struct sk_buff *msg, struct netlink_callback *cb);
58 void batadv_mcast_free(struct batadv_priv *bat_priv);
60 void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node);
62 /* multicast_forw.c */
64 int batadv_mcast_forw_tracker_tvlv_handler(struct batadv_priv *bat_priv,
67 unsigned int batadv_mcast_forw_packet_hdrlen(unsigned int num_dests);
69 bool batadv_mcast_forw_push(struct batadv_priv *bat_priv, struct sk_buff *skb,
70 unsigned short vid, int is_routable, int count);
72 int batadv_mcast_forw_mcsend(struct batadv_priv *bat_priv, struct sk_buff *skb);
76 static inline enum batadv_forw_mode
77 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
78 unsigned short vid, int *is_routable)
80 return BATADV_FORW_BCAST;
84 batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb,
85 unsigned short vid, int is_routable)
91 static inline int batadv_mcast_init(struct batadv_priv *bat_priv)
97 batadv_mcast_mesh_info_put(struct sk_buff *msg, struct batadv_priv *bat_priv)
102 static inline int batadv_mcast_flags_dump(struct sk_buff *msg,
103 struct netlink_callback *cb)
108 static inline void batadv_mcast_free(struct batadv_priv *bat_priv)
112 static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node)
116 static inline int batadv_mcast_forw_mcsend(struct batadv_priv *bat_priv,
120 return NET_XMIT_DROP;
123 #endif /* CONFIG_BATMAN_ADV_MCAST */
125 #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */