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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 | 28 | struct sk_buff; |
1e2c2a4f | 29 | |
f0d97253 | 30 | void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet); |
a65e5481 LL |
31 | struct batadv_forw_packet * |
32 | batadv_forw_packet_alloc(struct batadv_hard_iface *if_incoming, | |
33 | struct batadv_hard_iface *if_outgoing, | |
34 | atomic_t *queue_left, | |
35 | struct batadv_priv *bat_priv); | |
36 | ||
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); | |
95d39278 AQ |
40 | int batadv_send_skb_packet(struct sk_buff *skb, |
41 | struct batadv_hard_iface *hard_iface, | |
42 | const u8 *dst_addr); | |
43 | int batadv_send_broadcast_skb(struct sk_buff *skb, | |
44 | struct batadv_hard_iface *hard_iface); | |
45 | int batadv_send_unicast_skb(struct sk_buff *skb, | |
46 | struct batadv_neigh_node *neigh_node); | |
56303d34 | 47 | int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, |
9455e34c SE |
48 | const struct sk_buff *skb, |
49 | unsigned long delay); | |
56303d34 SE |
50 | void |
51 | batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, | |
52 | const struct batadv_hard_iface *hard_iface); | |
f097e25d MH |
53 | bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv, |
54 | struct sk_buff *skb, | |
55 | struct batadv_orig_node *orig_node, | |
56 | int packet_subtype); | |
1d8ab8d3 LL |
57 | int batadv_send_skb_unicast(struct batadv_priv *bat_priv, |
58 | struct sk_buff *skb, int packet_type, | |
59 | int packet_subtype, | |
60 | struct batadv_orig_node *orig_node, | |
61 | unsigned short vid); | |
e300d314 LL |
62 | int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv, |
63 | struct sk_buff *skb, int packet_type, | |
6b5e971a | 64 | int packet_subtype, u8 *dst_hint, |
6c413b1c | 65 | unsigned short vid); |
e300d314 LL |
66 | int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb, |
67 | unsigned short vid); | |
f097e25d MH |
68 | |
69 | /** | |
e300d314 | 70 | * batadv_send_skb_via_tt - send an skb via TT lookup |
f097e25d MH |
71 | * @bat_priv: the bat priv with all the soft interface information |
72 | * @skb: the payload to send | |
c5d3a652 | 73 | * @dst_hint: can be used to override the destination contained in the skb |
c018ad3d | 74 | * @vid: the vid to be used to search the translation table |
f097e25d | 75 | * |
e300d314 LL |
76 | * Look up the recipient node for the destination address in the ethernet |
77 | * header via the translation table. Wrap the given skb into a batman-adv | |
78 | * unicast header. Then send this frame to the according destination node. | |
79 | * | |
62fe710f | 80 | * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. |
f097e25d | 81 | */ |
e300d314 | 82 | static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv, |
6b5e971a | 83 | struct sk_buff *skb, u8 *dst_hint, |
e300d314 | 84 | unsigned short vid) |
f097e25d | 85 | { |
e300d314 | 86 | return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0, |
6c413b1c | 87 | dst_hint, vid); |
f097e25d MH |
88 | } |
89 | ||
90 | /** | |
e300d314 | 91 | * batadv_send_skb_via_tt_4addr - send an skb via TT lookup |
f097e25d MH |
92 | * @bat_priv: the bat priv with all the soft interface information |
93 | * @skb: the payload to send | |
94 | * @packet_subtype: the unicast 4addr packet subtype to use | |
c5d3a652 | 95 | * @dst_hint: can be used to override the destination contained in the skb |
c018ad3d | 96 | * @vid: the vid to be used to search the translation table |
f097e25d | 97 | * |
e300d314 LL |
98 | * Look up the recipient node for the destination address in the ethernet |
99 | * header via the translation table. Wrap the given skb into a batman-adv | |
100 | * unicast-4addr header. Then send this frame to the according destination | |
101 | * node. | |
102 | * | |
62fe710f | 103 | * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. |
f097e25d | 104 | */ |
e300d314 LL |
105 | static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv, |
106 | struct sk_buff *skb, | |
107 | int packet_subtype, | |
6b5e971a | 108 | u8 *dst_hint, |
e300d314 | 109 | unsigned short vid) |
f097e25d | 110 | { |
e300d314 LL |
111 | return batadv_send_skb_via_tt_generic(bat_priv, skb, |
112 | BATADV_UNICAST_4ADDR, | |
6c413b1c | 113 | packet_subtype, dst_hint, vid); |
f097e25d | 114 | } |
c6c8fea2 SE |
115 | |
116 | #endif /* _NET_BATMAN_ADV_SEND_H_ */ |