Commit | Line | Data |
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7db7d9f3 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
68e039f9 | 2 | /* Copyright (C) 2007-2020 B.A.T.M.A.N. contributors: |
c6c8fea2 SE |
3 | * |
4 | * Marek Lindner, Simon Wunderlich | |
c6c8fea2 SE |
5 | */ |
6 | ||
7 | #ifndef _NET_BATMAN_ADV_SEND_H_ | |
8 | #define _NET_BATMAN_ADV_SEND_H_ | |
9 | ||
1e2c2a4f SE |
10 | #include "main.h" |
11 | ||
12 | #include <linux/compiler.h> | |
68a600de | 13 | #include <linux/skbuff.h> |
9b4aec64 | 14 | #include <linux/spinlock.h> |
1e2c2a4f | 15 | #include <linux/types.h> |
fec149f5 | 16 | #include <uapi/linux/batadv_packet.h> |
1e2c2a4f | 17 | |
bd687fe4 SE |
18 | void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet, |
19 | bool dropped); | |
a65e5481 LL |
20 | struct batadv_forw_packet * |
21 | batadv_forw_packet_alloc(struct batadv_hard_iface *if_incoming, | |
22 | struct batadv_hard_iface *if_outgoing, | |
23 | atomic_t *queue_left, | |
99ba18ef LL |
24 | struct batadv_priv *bat_priv, |
25 | struct sk_buff *skb); | |
9b4aec64 LL |
26 | bool batadv_forw_packet_steal(struct batadv_forw_packet *packet, spinlock_t *l); |
27 | void batadv_forw_packet_ogmv1_queue(struct batadv_priv *bat_priv, | |
28 | struct batadv_forw_packet *forw_packet, | |
29 | unsigned long send_time); | |
e2d9ba43 | 30 | bool batadv_forw_packet_is_rebroadcast(struct batadv_forw_packet *forw_packet); |
a65e5481 | 31 | |
e91ecfc6 MH |
32 | int batadv_send_skb_to_orig(struct sk_buff *skb, |
33 | struct batadv_orig_node *orig_node, | |
34 | struct batadv_hard_iface *recv_if); | |
95d39278 AQ |
35 | int batadv_send_skb_packet(struct sk_buff *skb, |
36 | struct batadv_hard_iface *hard_iface, | |
37 | const u8 *dst_addr); | |
38 | int batadv_send_broadcast_skb(struct sk_buff *skb, | |
39 | struct batadv_hard_iface *hard_iface); | |
40 | int batadv_send_unicast_skb(struct sk_buff *skb, | |
41 | struct batadv_neigh_node *neigh_node); | |
56303d34 | 42 | int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, |
9455e34c | 43 | const struct sk_buff *skb, |
3111beed LL |
44 | unsigned long delay, |
45 | bool own_packet); | |
56303d34 SE |
46 | void |
47 | batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, | |
48 | const struct batadv_hard_iface *hard_iface); | |
f097e25d MH |
49 | bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv, |
50 | struct sk_buff *skb, | |
51 | struct batadv_orig_node *orig_node, | |
52 | int packet_subtype); | |
1d8ab8d3 LL |
53 | int batadv_send_skb_unicast(struct batadv_priv *bat_priv, |
54 | struct sk_buff *skb, int packet_type, | |
55 | int packet_subtype, | |
56 | struct batadv_orig_node *orig_node, | |
57 | unsigned short vid); | |
e300d314 LL |
58 | int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv, |
59 | struct sk_buff *skb, int packet_type, | |
6b5e971a | 60 | int packet_subtype, u8 *dst_hint, |
6c413b1c | 61 | unsigned short vid); |
e300d314 LL |
62 | int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb, |
63 | unsigned short vid); | |
f097e25d MH |
64 | |
65 | /** | |
7e9a8c2c | 66 | * batadv_send_skb_via_tt() - send an skb via TT lookup |
f097e25d MH |
67 | * @bat_priv: the bat priv with all the soft interface information |
68 | * @skb: the payload to send | |
c5d3a652 | 69 | * @dst_hint: can be used to override the destination contained in the skb |
c018ad3d | 70 | * @vid: the vid to be used to search the translation table |
f097e25d | 71 | * |
e300d314 LL |
72 | * Look up the recipient node for the destination address in the ethernet |
73 | * header via the translation table. Wrap the given skb into a batman-adv | |
74 | * unicast header. Then send this frame to the according destination node. | |
75 | * | |
62fe710f | 76 | * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. |
f097e25d | 77 | */ |
e300d314 | 78 | static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv, |
6b5e971a | 79 | struct sk_buff *skb, u8 *dst_hint, |
e300d314 | 80 | unsigned short vid) |
f097e25d | 81 | { |
e300d314 | 82 | return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0, |
6c413b1c | 83 | dst_hint, vid); |
f097e25d MH |
84 | } |
85 | ||
86 | /** | |
7e9a8c2c | 87 | * batadv_send_skb_via_tt_4addr() - send an skb via TT lookup |
f097e25d MH |
88 | * @bat_priv: the bat priv with all the soft interface information |
89 | * @skb: the payload to send | |
90 | * @packet_subtype: the unicast 4addr packet subtype to use | |
c5d3a652 | 91 | * @dst_hint: can be used to override the destination contained in the skb |
c018ad3d | 92 | * @vid: the vid to be used to search the translation table |
f097e25d | 93 | * |
e300d314 LL |
94 | * Look up the recipient node for the destination address in the ethernet |
95 | * header via the translation table. Wrap the given skb into a batman-adv | |
96 | * unicast-4addr header. Then send this frame to the according destination | |
97 | * node. | |
98 | * | |
62fe710f | 99 | * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. |
f097e25d | 100 | */ |
e300d314 LL |
101 | static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv, |
102 | struct sk_buff *skb, | |
103 | int packet_subtype, | |
6b5e971a | 104 | u8 *dst_hint, |
e300d314 | 105 | unsigned short vid) |
f097e25d | 106 | { |
e300d314 LL |
107 | return batadv_send_skb_via_tt_generic(bat_priv, skb, |
108 | BATADV_UNICAST_4ADDR, | |
6c413b1c | 109 | packet_subtype, dst_hint, vid); |
f097e25d | 110 | } |
c6c8fea2 SE |
111 | |
112 | #endif /* _NET_BATMAN_ADV_SEND_H_ */ |