]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blame - net/batman-adv/send.h
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux...
[mirror_ubuntu-artful-kernel.git] / net / batman-adv / send.h
CommitLineData
0046b040 1/* Copyright (C) 2007-2016 B.A.T.M.A.N. contributors:
c6c8fea2
SE
2 *
3 * Marek Lindner, Simon Wunderlich
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
ebf38fb7 15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
c6c8fea2
SE
16 */
17
18#ifndef _NET_BATMAN_ADV_SEND_H_
19#define _NET_BATMAN_ADV_SEND_H_
20
1e2c2a4f
SE
21#include "main.h"
22
23#include <linux/compiler.h>
24#include <linux/types.h>
25
26#include "packet.h"
27
1e2c2a4f 28struct sk_buff;
1e2c2a4f 29
f0d97253 30void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet);
e91ecfc6
MH
31int batadv_send_skb_to_orig(struct sk_buff *skb,
32 struct batadv_orig_node *orig_node,
33 struct batadv_hard_iface *recv_if);
95d39278
AQ
34int batadv_send_skb_packet(struct sk_buff *skb,
35 struct batadv_hard_iface *hard_iface,
36 const u8 *dst_addr);
37int batadv_send_broadcast_skb(struct sk_buff *skb,
38 struct batadv_hard_iface *hard_iface);
39int batadv_send_unicast_skb(struct sk_buff *skb,
40 struct batadv_neigh_node *neigh_node);
56303d34 41int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
9455e34c
SE
42 const struct sk_buff *skb,
43 unsigned long delay);
56303d34
SE
44void
45batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
46 const struct batadv_hard_iface *hard_iface);
f097e25d
MH
47bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv,
48 struct sk_buff *skb,
49 struct batadv_orig_node *orig_node,
50 int packet_subtype);
1d8ab8d3
LL
51int batadv_send_skb_unicast(struct batadv_priv *bat_priv,
52 struct sk_buff *skb, int packet_type,
53 int packet_subtype,
54 struct batadv_orig_node *orig_node,
55 unsigned short vid);
e300d314
LL
56int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv,
57 struct sk_buff *skb, int packet_type,
6b5e971a 58 int packet_subtype, u8 *dst_hint,
6c413b1c 59 unsigned short vid);
e300d314
LL
60int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb,
61 unsigned short vid);
f097e25d
MH
62
63/**
e300d314 64 * batadv_send_skb_via_tt - send an skb via TT lookup
f097e25d
MH
65 * @bat_priv: the bat priv with all the soft interface information
66 * @skb: the payload to send
c5d3a652 67 * @dst_hint: can be used to override the destination contained in the skb
c018ad3d 68 * @vid: the vid to be used to search the translation table
f097e25d 69 *
e300d314
LL
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.
73 *
62fe710f 74 * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.
f097e25d 75 */
e300d314 76static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv,
6b5e971a 77 struct sk_buff *skb, u8 *dst_hint,
e300d314 78 unsigned short vid)
f097e25d 79{
e300d314 80 return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0,
6c413b1c 81 dst_hint, vid);
f097e25d
MH
82}
83
84/**
e300d314 85 * batadv_send_skb_via_tt_4addr - send an skb via TT lookup
f097e25d
MH
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
c5d3a652 89 * @dst_hint: can be used to override the destination contained in the skb
c018ad3d 90 * @vid: the vid to be used to search the translation table
f097e25d 91 *
e300d314
LL
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
95 * node.
96 *
62fe710f 97 * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.
f097e25d 98 */
e300d314
LL
99static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv,
100 struct sk_buff *skb,
101 int packet_subtype,
6b5e971a 102 u8 *dst_hint,
e300d314 103 unsigned short vid)
f097e25d 104{
e300d314
LL
105 return batadv_send_skb_via_tt_generic(bat_priv, skb,
106 BATADV_UNICAST_4ADDR,
6c413b1c 107 packet_subtype, dst_hint, vid);
f097e25d 108}
c6c8fea2
SE
109
110#endif /* _NET_BATMAN_ADV_SEND_H_ */