diff options
Diffstat (limited to 'net/batman-adv/multicast.h')
| -rw-r--r-- | net/batman-adv/multicast.h | 99 |
1 files changed, 73 insertions, 26 deletions
diff --git a/net/batman-adv/multicast.h b/net/batman-adv/multicast.h index 2a78cddab0e9..d97ee51d26f2 100644 --- a/net/batman-adv/multicast.h +++ b/net/batman-adv/multicast.h @@ -1,18 +1,7 @@ -/* Copyright (C) 2014-2017 B.A.T.M.A.N. contributors: +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) B.A.T.M.A.N. contributors: * * Linus Lüssing - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _NET_BATMAN_ADV_MULTICAST_H_ @@ -20,20 +9,33 @@ #include "main.h" -struct seq_file; -struct sk_buff; +#include <linux/netlink.h> +#include <linux/skbuff.h> +#include <linux/types.h> /** * enum batadv_forw_mode - the way a packet should be forwarded as - * @BATADV_FORW_ALL: forward the packet to all nodes (currently via classic - * flooding) - * @BATADV_FORW_SINGLE: forward the packet to a single node (currently via the - * BATMAN unicast routing protocol) - * @BATADV_FORW_NONE: don't forward, drop it */ enum batadv_forw_mode { - BATADV_FORW_ALL, - BATADV_FORW_SINGLE, + /** + * @BATADV_FORW_BCAST: forward the packet to all nodes via a batman-adv + * broadcast packet + */ + BATADV_FORW_BCAST, + + /** + * @BATADV_FORW_UCASTS: forward the packet to some nodes via one + * or more batman-adv unicast packets + */ + BATADV_FORW_UCASTS, + + /** + * @BATADV_FORW_MCAST: forward the packet to some nodes via a + * batman-adv multicast packet + */ + BATADV_FORW_MCAST, + + /** @BATADV_FORW_NONE: don't forward, drop it */ BATADV_FORW_NONE, }; @@ -41,23 +43,49 @@ enum batadv_forw_mode { enum batadv_forw_mode batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, - struct batadv_orig_node **mcast_single_orig); + unsigned short vid, int *is_routable); + +int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, + unsigned short vid, int is_routable); void batadv_mcast_init(struct batadv_priv *bat_priv); -int batadv_mcast_flags_seq_print_text(struct seq_file *seq, void *offset); +int batadv_mcast_mesh_info_put(struct sk_buff *msg, + struct batadv_priv *bat_priv); + +int batadv_mcast_flags_dump(struct sk_buff *msg, struct netlink_callback *cb); void batadv_mcast_free(struct batadv_priv *bat_priv); void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node); +/* multicast_forw.c */ + +int batadv_mcast_forw_tracker_tvlv_handler(struct batadv_priv *bat_priv, + struct sk_buff *skb); + +unsigned int batadv_mcast_forw_packet_hdrlen(unsigned int num_dests); + +bool batadv_mcast_forw_push(struct batadv_priv *bat_priv, struct sk_buff *skb, + unsigned short vid, int is_routable, int count); + +int batadv_mcast_forw_mcsend(struct batadv_priv *bat_priv, struct sk_buff *skb); + #else static inline enum batadv_forw_mode batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, - struct batadv_orig_node **mcast_single_orig) + unsigned short vid, int *is_routable) { - return BATADV_FORW_ALL; + return BATADV_FORW_BCAST; +} + +static inline int +batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, + unsigned short vid, int is_routable) +{ + kfree_skb(skb); + return NET_XMIT_DROP; } static inline int batadv_mcast_init(struct batadv_priv *bat_priv) @@ -65,6 +93,18 @@ static inline int batadv_mcast_init(struct batadv_priv *bat_priv) return 0; } +static inline int +batadv_mcast_mesh_info_put(struct sk_buff *msg, struct batadv_priv *bat_priv) +{ + return 0; +} + +static inline int batadv_mcast_flags_dump(struct sk_buff *msg, + struct netlink_callback *cb) +{ + return -EOPNOTSUPP; +} + static inline void batadv_mcast_free(struct batadv_priv *bat_priv) { } @@ -73,6 +113,13 @@ static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node) { } +static inline int batadv_mcast_forw_mcsend(struct batadv_priv *bat_priv, + struct sk_buff *skb) +{ + kfree_skb(skb); + return NET_XMIT_DROP; +} + #endif /* CONFIG_BATMAN_ADV_MCAST */ #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */ |