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9f6446c7 | 1 | /* Copyright (C) 2007-2015 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 SE |
28 | struct sk_buff; |
29 | struct work_struct; | |
30 | ||
56303d34 SE |
31 | int batadv_send_skb_packet(struct sk_buff *skb, |
32 | struct batadv_hard_iface *hard_iface, | |
6b5e971a | 33 | const u8 *dst_addr); |
e91ecfc6 MH |
34 | int batadv_send_skb_to_orig(struct sk_buff *skb, |
35 | struct batadv_orig_node *orig_node, | |
36 | struct batadv_hard_iface *recv_if); | |
56303d34 SE |
37 | void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface); |
38 | int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, | |
9455e34c SE |
39 | const struct sk_buff *skb, |
40 | unsigned long delay); | |
41 | void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work); | |
56303d34 SE |
42 | void |
43 | batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, | |
44 | const struct batadv_hard_iface *hard_iface); | |
f097e25d MH |
45 | bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv, |
46 | struct sk_buff *skb, | |
47 | struct batadv_orig_node *orig_node, | |
48 | int packet_subtype); | |
1d8ab8d3 LL |
49 | int batadv_send_skb_unicast(struct batadv_priv *bat_priv, |
50 | struct sk_buff *skb, int packet_type, | |
51 | int packet_subtype, | |
52 | struct batadv_orig_node *orig_node, | |
53 | unsigned short vid); | |
e300d314 LL |
54 | int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv, |
55 | struct sk_buff *skb, int packet_type, | |
6b5e971a | 56 | int packet_subtype, u8 *dst_hint, |
6c413b1c | 57 | unsigned short vid); |
e300d314 LL |
58 | int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb, |
59 | unsigned short vid); | |
f097e25d MH |
60 | |
61 | /** | |
e300d314 | 62 | * batadv_send_skb_via_tt - send an skb via TT lookup |
f097e25d MH |
63 | * @bat_priv: the bat priv with all the soft interface information |
64 | * @skb: the payload to send | |
c5d3a652 | 65 | * @dst_hint: can be used to override the destination contained in the skb |
c018ad3d | 66 | * @vid: the vid to be used to search the translation table |
f097e25d | 67 | * |
e300d314 LL |
68 | * Look up the recipient node for the destination address in the ethernet |
69 | * header via the translation table. Wrap the given skb into a batman-adv | |
70 | * unicast header. Then send this frame to the according destination node. | |
71 | * | |
72 | * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. | |
f097e25d | 73 | */ |
e300d314 | 74 | static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv, |
6b5e971a | 75 | struct sk_buff *skb, u8 *dst_hint, |
e300d314 | 76 | unsigned short vid) |
f097e25d | 77 | { |
e300d314 | 78 | return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0, |
6c413b1c | 79 | dst_hint, vid); |
f097e25d MH |
80 | } |
81 | ||
82 | /** | |
e300d314 | 83 | * batadv_send_skb_via_tt_4addr - send an skb via TT lookup |
f097e25d MH |
84 | * @bat_priv: the bat priv with all the soft interface information |
85 | * @skb: the payload to send | |
86 | * @packet_subtype: the unicast 4addr packet subtype to use | |
c5d3a652 | 87 | * @dst_hint: can be used to override the destination contained in the skb |
c018ad3d | 88 | * @vid: the vid to be used to search the translation table |
f097e25d | 89 | * |
e300d314 LL |
90 | * Look up the recipient node for the destination address in the ethernet |
91 | * header via the translation table. Wrap the given skb into a batman-adv | |
92 | * unicast-4addr header. Then send this frame to the according destination | |
93 | * node. | |
94 | * | |
95 | * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. | |
f097e25d | 96 | */ |
e300d314 LL |
97 | static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv, |
98 | struct sk_buff *skb, | |
99 | int packet_subtype, | |
6b5e971a | 100 | u8 *dst_hint, |
e300d314 | 101 | unsigned short vid) |
f097e25d | 102 | { |
e300d314 LL |
103 | return batadv_send_skb_via_tt_generic(bat_priv, skb, |
104 | BATADV_UNICAST_4ADDR, | |
6c413b1c | 105 | packet_subtype, dst_hint, vid); |
f097e25d | 106 | } |
c6c8fea2 SE |
107 | |
108 | #endif /* _NET_BATMAN_ADV_SEND_H_ */ |