projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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_ */ |