Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* Copyright (C) 2007-2015 B.A.T.M.A.N. contributors:
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
15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18#ifndef _NET_BATMAN_ADV_SEND_H_
19#define _NET_BATMAN_ADV_SEND_H_
20
21#include "main.h"
22
23#include <linux/compiler.h>
24#include <linux/types.h>
25
26#include "packet.h"
27
28struct batadv_hard_iface;
29struct batadv_orig_node;
30struct batadv_priv;
31struct sk_buff;
32struct work_struct;
33
34int batadv_send_skb_packet(struct sk_buff *skb,
35 struct batadv_hard_iface *hard_iface,
36 const uint8_t *dst_addr);
37int batadv_send_skb_to_orig(struct sk_buff *skb,
38 struct batadv_orig_node *orig_node,
39 struct batadv_hard_iface *recv_if);
40void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface);
41int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
42 const struct sk_buff *skb,
43 unsigned long delay);
44void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work);
45void
46batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
47 const struct batadv_hard_iface *hard_iface);
48bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv,
49 struct sk_buff *skb,
50 struct batadv_orig_node *orig_node,
51 int packet_subtype);
52int batadv_send_skb_unicast(struct batadv_priv *bat_priv,
53 struct sk_buff *skb, int packet_type,
54 int packet_subtype,
55 struct batadv_orig_node *orig_node,
56 unsigned short vid);
57int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv,
58 struct sk_buff *skb, int packet_type,
59 int packet_subtype, uint8_t *dst_hint,
60 unsigned short vid);
61int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb,
62 unsigned short vid);
63
64/**
65 * batadv_send_skb_via_tt - send an skb via TT lookup
66 * @bat_priv: the bat priv with all the soft interface information
67 * @skb: the payload to send
68 * @dst_hint: can be used to override the destination contained in the skb
69 * @vid: the vid to be used to search the translation table
70 *
71 * Look up the recipient node for the destination address in the ethernet
72 * header via the translation table. Wrap the given skb into a batman-adv
73 * unicast header. Then send this frame to the according destination node.
74 *
75 * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.
76 */
77static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv,
78 struct sk_buff *skb, uint8_t *dst_hint,
79 unsigned short vid)
80{
81 return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0,
82 dst_hint, vid);
83}
84
85/**
86 * batadv_send_skb_via_tt_4addr - send an skb via TT lookup
87 * @bat_priv: the bat priv with all the soft interface information
88 * @skb: the payload to send
89 * @packet_subtype: the unicast 4addr packet subtype to use
90 * @dst_hint: can be used to override the destination contained in the skb
91 * @vid: the vid to be used to search the translation table
92 *
93 * Look up the recipient node for the destination address in the ethernet
94 * header via the translation table. Wrap the given skb into a batman-adv
95 * unicast-4addr header. Then send this frame to the according destination
96 * node.
97 *
98 * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.
99 */
100static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv,
101 struct sk_buff *skb,
102 int packet_subtype,
103 uint8_t *dst_hint,
104 unsigned short vid)
105{
106 return batadv_send_skb_via_tt_generic(bat_priv, skb,
107 BATADV_UNICAST_4ADDR,
108 packet_subtype, dst_hint, vid);
109}
110
111#endif /* _NET_BATMAN_ADV_SEND_H_ */