1 /* Copyright (C) 2007-2016 B.A.T.M.A.N. contributors:
3 * Marek Lindner, Simon Wunderlich
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.
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.
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/>.
18 #ifndef _NET_BATMAN_ADV_SEND_H_
19 #define _NET_BATMAN_ADV_SEND_H_
23 #include <linux/compiler.h>
24 #include <linux/types.h>
30 void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet);
31 int batadv_send_skb_to_orig(struct sk_buff *skb,
32 struct batadv_orig_node *orig_node,
33 struct batadv_hard_iface *recv_if);
34 int batadv_send_skb_packet(struct sk_buff *skb,
35 struct batadv_hard_iface *hard_iface,
37 int batadv_send_broadcast_skb(struct sk_buff *skb,
38 struct batadv_hard_iface *hard_iface);
39 int batadv_send_unicast_skb(struct sk_buff *skb,
40 struct batadv_neigh_node *neigh_node);
41 int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
42 const struct sk_buff *skb,
45 batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
46 const struct batadv_hard_iface *hard_iface);
47 bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv,
49 struct batadv_orig_node *orig_node,
51 int batadv_send_skb_unicast(struct batadv_priv *bat_priv,
52 struct sk_buff *skb, int packet_type,
54 struct batadv_orig_node *orig_node,
56 int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv,
57 struct sk_buff *skb, int packet_type,
58 int packet_subtype, u8 *dst_hint,
60 int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb,
64 * batadv_send_skb_via_tt - send an skb via TT lookup
65 * @bat_priv: the bat priv with all the soft interface information
66 * @skb: the payload to send
67 * @dst_hint: can be used to override the destination contained in the skb
68 * @vid: the vid to be used to search the translation table
70 * Look up the recipient node for the destination address in the ethernet
71 * header via the translation table. Wrap the given skb into a batman-adv
72 * unicast header. Then send this frame to the according destination node.
74 * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.
76 static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv,
77 struct sk_buff *skb, u8 *dst_hint,
80 return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0,
85 * batadv_send_skb_via_tt_4addr - send an skb via TT lookup
86 * @bat_priv: the bat priv with all the soft interface information
87 * @skb: the payload to send
88 * @packet_subtype: the unicast 4addr packet subtype to use
89 * @dst_hint: can be used to override the destination contained in the skb
90 * @vid: the vid to be used to search the translation table
92 * Look up the recipient node for the destination address in the ethernet
93 * header via the translation table. Wrap the given skb into a batman-adv
94 * unicast-4addr header. Then send this frame to the according destination
97 * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.
99 static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv,
105 return batadv_send_skb_via_tt_generic(bat_priv, skb,
106 BATADV_UNICAST_4ADDR,
107 packet_subtype, dst_hint, vid);
110 #endif /* _NET_BATMAN_ADV_SEND_H_ */