126 lines
4.7 KiB
C
126 lines
4.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/* Copyright (C) 2007-2017 B.A.T.M.A.N. contributors:
|
|
*
|
|
* Marek Lindner, Simon Wunderlich
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of version 2 of the GNU General Public
|
|
* License as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef _NET_BATMAN_ADV_SEND_H_
|
|
#define _NET_BATMAN_ADV_SEND_H_
|
|
|
|
#include "main.h"
|
|
|
|
#include <linux/compiler.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/types.h>
|
|
#include <uapi/linux/batadv_packet.h>
|
|
|
|
struct sk_buff;
|
|
|
|
void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet,
|
|
bool dropped);
|
|
struct batadv_forw_packet *
|
|
batadv_forw_packet_alloc(struct batadv_hard_iface *if_incoming,
|
|
struct batadv_hard_iface *if_outgoing,
|
|
atomic_t *queue_left,
|
|
struct batadv_priv *bat_priv,
|
|
struct sk_buff *skb);
|
|
bool batadv_forw_packet_steal(struct batadv_forw_packet *packet, spinlock_t *l);
|
|
void batadv_forw_packet_ogmv1_queue(struct batadv_priv *bat_priv,
|
|
struct batadv_forw_packet *forw_packet,
|
|
unsigned long send_time);
|
|
bool batadv_forw_packet_is_rebroadcast(struct batadv_forw_packet *forw_packet);
|
|
|
|
int batadv_send_skb_to_orig(struct sk_buff *skb,
|
|
struct batadv_orig_node *orig_node,
|
|
struct batadv_hard_iface *recv_if);
|
|
int batadv_send_skb_packet(struct sk_buff *skb,
|
|
struct batadv_hard_iface *hard_iface,
|
|
const u8 *dst_addr);
|
|
int batadv_send_broadcast_skb(struct sk_buff *skb,
|
|
struct batadv_hard_iface *hard_iface);
|
|
int batadv_send_unicast_skb(struct sk_buff *skb,
|
|
struct batadv_neigh_node *neigh_node);
|
|
int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
|
|
const struct sk_buff *skb,
|
|
unsigned long delay,
|
|
bool own_packet);
|
|
void
|
|
batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
|
|
const struct batadv_hard_iface *hard_iface);
|
|
bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv,
|
|
struct sk_buff *skb,
|
|
struct batadv_orig_node *orig_node,
|
|
int packet_subtype);
|
|
int batadv_send_skb_unicast(struct batadv_priv *bat_priv,
|
|
struct sk_buff *skb, int packet_type,
|
|
int packet_subtype,
|
|
struct batadv_orig_node *orig_node,
|
|
unsigned short vid);
|
|
int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv,
|
|
struct sk_buff *skb, int packet_type,
|
|
int packet_subtype, u8 *dst_hint,
|
|
unsigned short vid);
|
|
int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb,
|
|
unsigned short vid);
|
|
|
|
/**
|
|
* batadv_send_skb_via_tt() - send an skb via TT lookup
|
|
* @bat_priv: the bat priv with all the soft interface information
|
|
* @skb: the payload to send
|
|
* @dst_hint: can be used to override the destination contained in the skb
|
|
* @vid: the vid to be used to search the translation table
|
|
*
|
|
* Look up the recipient node for the destination address in the ethernet
|
|
* header via the translation table. Wrap the given skb into a batman-adv
|
|
* unicast header. Then send this frame to the according destination node.
|
|
*
|
|
* Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.
|
|
*/
|
|
static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv,
|
|
struct sk_buff *skb, u8 *dst_hint,
|
|
unsigned short vid)
|
|
{
|
|
return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0,
|
|
dst_hint, vid);
|
|
}
|
|
|
|
/**
|
|
* batadv_send_skb_via_tt_4addr() - send an skb via TT lookup
|
|
* @bat_priv: the bat priv with all the soft interface information
|
|
* @skb: the payload to send
|
|
* @packet_subtype: the unicast 4addr packet subtype to use
|
|
* @dst_hint: can be used to override the destination contained in the skb
|
|
* @vid: the vid to be used to search the translation table
|
|
*
|
|
* Look up the recipient node for the destination address in the ethernet
|
|
* header via the translation table. Wrap the given skb into a batman-adv
|
|
* unicast-4addr header. Then send this frame to the according destination
|
|
* node.
|
|
*
|
|
* Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.
|
|
*/
|
|
static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv,
|
|
struct sk_buff *skb,
|
|
int packet_subtype,
|
|
u8 *dst_hint,
|
|
unsigned short vid)
|
|
{
|
|
return batadv_send_skb_via_tt_generic(bat_priv, skb,
|
|
BATADV_UNICAST_4ADDR,
|
|
packet_subtype, dst_hint, vid);
|
|
}
|
|
|
|
#endif /* _NET_BATMAN_ADV_SEND_H_ */
|