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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> | |
9b4aec64 | 24 | #include <linux/spinlock.h> |
1e2c2a4f SE |
25 | #include <linux/types.h> |
26 | ||
27 | #include "packet.h" | |
28 | ||
1e2c2a4f | 29 | struct sk_buff; |
1e2c2a4f | 30 | |
bd687fe4 SE |
31 | void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet, |
32 | bool dropped); | |
a65e5481 LL |
33 | struct batadv_forw_packet * |
34 | batadv_forw_packet_alloc(struct batadv_hard_iface *if_incoming, | |
35 | struct batadv_hard_iface *if_outgoing, | |
36 | atomic_t *queue_left, | |
37 | struct batadv_priv *bat_priv); | |
9b4aec64 LL |
38 | bool batadv_forw_packet_steal(struct batadv_forw_packet *packet, spinlock_t *l); |
39 | void batadv_forw_packet_ogmv1_queue(struct batadv_priv *bat_priv, | |
40 | struct batadv_forw_packet *forw_packet, | |
41 | unsigned long send_time); | |
a65e5481 | 42 | |
e91ecfc6 MH |
43 | int batadv_send_skb_to_orig(struct sk_buff *skb, |
44 | struct batadv_orig_node *orig_node, | |
45 | struct batadv_hard_iface *recv_if); | |
95d39278 AQ |
46 | int batadv_send_skb_packet(struct sk_buff *skb, |
47 | struct batadv_hard_iface *hard_iface, | |
48 | const u8 *dst_addr); | |
49 | int batadv_send_broadcast_skb(struct sk_buff *skb, | |
50 | struct batadv_hard_iface *hard_iface); | |
51 | int batadv_send_unicast_skb(struct sk_buff *skb, | |
52 | struct batadv_neigh_node *neigh_node); | |
56303d34 | 53 | int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, |
9455e34c | 54 | const struct sk_buff *skb, |
3111beed LL |
55 | unsigned long delay, |
56 | bool own_packet); | |
56303d34 SE |
57 | void |
58 | batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, | |
59 | const struct batadv_hard_iface *hard_iface); | |
f097e25d MH |
60 | bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv, |
61 | struct sk_buff *skb, | |
62 | struct batadv_orig_node *orig_node, | |
63 | int packet_subtype); | |
1d8ab8d3 LL |
64 | int batadv_send_skb_unicast(struct batadv_priv *bat_priv, |
65 | struct sk_buff *skb, int packet_type, | |
66 | int packet_subtype, | |
67 | struct batadv_orig_node *orig_node, | |
68 | unsigned short vid); | |
e300d314 LL |
69 | int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv, |
70 | struct sk_buff *skb, int packet_type, | |
6b5e971a | 71 | int packet_subtype, u8 *dst_hint, |
6c413b1c | 72 | unsigned short vid); |
e300d314 LL |
73 | int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb, |
74 | unsigned short vid); | |
f097e25d MH |
75 | |
76 | /** | |
e300d314 | 77 | * batadv_send_skb_via_tt - send an skb via TT lookup |
f097e25d MH |
78 | * @bat_priv: the bat priv with all the soft interface information |
79 | * @skb: the payload to send | |
c5d3a652 | 80 | * @dst_hint: can be used to override the destination contained in the skb |
c018ad3d | 81 | * @vid: the vid to be used to search the translation table |
f097e25d | 82 | * |
e300d314 LL |
83 | * Look up the recipient node for the destination address in the ethernet |
84 | * header via the translation table. Wrap the given skb into a batman-adv | |
85 | * unicast header. Then send this frame to the according destination node. | |
86 | * | |
62fe710f | 87 | * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. |
f097e25d | 88 | */ |
e300d314 | 89 | static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv, |
6b5e971a | 90 | struct sk_buff *skb, u8 *dst_hint, |
e300d314 | 91 | unsigned short vid) |
f097e25d | 92 | { |
e300d314 | 93 | return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0, |
6c413b1c | 94 | dst_hint, vid); |
f097e25d MH |
95 | } |
96 | ||
97 | /** | |
e300d314 | 98 | * batadv_send_skb_via_tt_4addr - send an skb via TT lookup |
f097e25d MH |
99 | * @bat_priv: the bat priv with all the soft interface information |
100 | * @skb: the payload to send | |
101 | * @packet_subtype: the unicast 4addr packet subtype to use | |
c5d3a652 | 102 | * @dst_hint: can be used to override the destination contained in the skb |
c018ad3d | 103 | * @vid: the vid to be used to search the translation table |
f097e25d | 104 | * |
e300d314 LL |
105 | * Look up the recipient node for the destination address in the ethernet |
106 | * header via the translation table. Wrap the given skb into a batman-adv | |
107 | * unicast-4addr header. Then send this frame to the according destination | |
108 | * node. | |
109 | * | |
62fe710f | 110 | * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. |
f097e25d | 111 | */ |
e300d314 LL |
112 | static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv, |
113 | struct sk_buff *skb, | |
114 | int packet_subtype, | |
6b5e971a | 115 | u8 *dst_hint, |
e300d314 | 116 | unsigned short vid) |
f097e25d | 117 | { |
e300d314 LL |
118 | return batadv_send_skb_via_tt_generic(bat_priv, skb, |
119 | BATADV_UNICAST_4ADDR, | |
6c413b1c | 120 | packet_subtype, dst_hint, vid); |
f097e25d | 121 | } |
c6c8fea2 SE |
122 | |
123 | #endif /* _NET_BATMAN_ADV_SEND_H_ */ |