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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 | ||
28 | struct batadv_hard_iface; | |
29 | struct batadv_orig_node; | |
30 | struct batadv_priv; | |
31 | struct sk_buff; | |
32 | struct work_struct; | |
33 | ||
56303d34 SE |
34 | int batadv_send_skb_packet(struct sk_buff *skb, |
35 | struct batadv_hard_iface *hard_iface, | |
9455e34c | 36 | const uint8_t *dst_addr); |
e91ecfc6 MH |
37 | int batadv_send_skb_to_orig(struct sk_buff *skb, |
38 | struct batadv_orig_node *orig_node, | |
39 | struct batadv_hard_iface *recv_if); | |
56303d34 SE |
40 | void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface); |
41 | int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, | |
9455e34c SE |
42 | const struct sk_buff *skb, |
43 | unsigned long delay); | |
44 | void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work); | |
56303d34 SE |
45 | void |
46 | batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, | |
47 | const struct batadv_hard_iface *hard_iface); | |
f097e25d MH |
48 | bool 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); | |
1d8ab8d3 LL |
52 | int 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); | |
e300d314 LL |
57 | int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv, |
58 | struct sk_buff *skb, int packet_type, | |
6c413b1c AQ |
59 | int packet_subtype, uint8_t *dst_hint, |
60 | unsigned short vid); | |
e300d314 LL |
61 | int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb, |
62 | unsigned short vid); | |
f097e25d MH |
63 | |
64 | /** | |
e300d314 | 65 | * batadv_send_skb_via_tt - send an skb via TT lookup |
f097e25d MH |
66 | * @bat_priv: the bat priv with all the soft interface information |
67 | * @skb: the payload to send | |
c5d3a652 | 68 | * @dst_hint: can be used to override the destination contained in the skb |
c018ad3d | 69 | * @vid: the vid to be used to search the translation table |
f097e25d | 70 | * |
e300d314 LL |
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. | |
f097e25d | 76 | */ |
e300d314 | 77 | static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv, |
6c413b1c | 78 | struct sk_buff *skb, uint8_t *dst_hint, |
e300d314 | 79 | unsigned short vid) |
f097e25d | 80 | { |
e300d314 | 81 | return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0, |
6c413b1c | 82 | dst_hint, vid); |
f097e25d MH |
83 | } |
84 | ||
85 | /** | |
e300d314 | 86 | * batadv_send_skb_via_tt_4addr - send an skb via TT lookup |
f097e25d MH |
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 | |
c5d3a652 | 90 | * @dst_hint: can be used to override the destination contained in the skb |
c018ad3d | 91 | * @vid: the vid to be used to search the translation table |
f097e25d | 92 | * |
e300d314 LL |
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. | |
f097e25d | 99 | */ |
e300d314 LL |
100 | static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv, |
101 | struct sk_buff *skb, | |
102 | int packet_subtype, | |
6c413b1c | 103 | uint8_t *dst_hint, |
e300d314 | 104 | unsigned short vid) |
f097e25d | 105 | { |
e300d314 LL |
106 | return batadv_send_skb_via_tt_generic(bat_priv, skb, |
107 | BATADV_UNICAST_4ADDR, | |
6c413b1c | 108 | packet_subtype, dst_hint, vid); |
f097e25d | 109 | } |
c6c8fea2 SE |
110 | |
111 | #endif /* _NET_BATMAN_ADV_SEND_H_ */ |