1/* Copyright (C) 2014-2015 B.A.T.M.A.N. contributors: 2 * 3 * Linus L��ssing 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/>. 16 */ 17 18#ifndef _NET_BATMAN_ADV_MULTICAST_H_ 19#define _NET_BATMAN_ADV_MULTICAST_H_ 20 21#include "main.h" 22 23struct sk_buff; 24 25/** 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 32 */ 33enum batadv_forw_mode { 34 BATADV_FORW_ALL, 35 BATADV_FORW_SINGLE, 36 BATADV_FORW_NONE, 37}; 38 39#ifdef CONFIG_BATMAN_ADV_MCAST 40 41void batadv_mcast_mla_update(struct batadv_priv *bat_priv); 42 43enum batadv_forw_mode 44batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, 45 struct batadv_orig_node **mcast_single_orig); 46 47void batadv_mcast_init(struct batadv_priv *bat_priv); 48 49void batadv_mcast_free(struct batadv_priv *bat_priv); 50 51void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node); 52 53#else 54 55static inline void batadv_mcast_mla_update(struct batadv_priv *bat_priv) 56{ 57} 58 59static inline enum batadv_forw_mode 60batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, 61 struct batadv_orig_node **mcast_single_orig) 62{ 63 return BATADV_FORW_ALL; 64} 65 66static inline int batadv_mcast_init(struct batadv_priv *bat_priv) 67{ 68 return 0; 69} 70 71static inline void batadv_mcast_free(struct batadv_priv *bat_priv) 72{ 73} 74 75static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node) 76{ 77} 78 79#endif /* CONFIG_BATMAN_ADV_MCAST */ 80 81#endif /* _NET_BATMAN_ADV_MULTICAST_H_ */ 82