[linux-2.6-block.git] / net / batman-adv / send.h

/* Copyright (C) 2007-2016  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/types.h>

#include "packet.h"

struct sk_buff;
struct work_struct;

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);
void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface);
int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
				    const struct sk_buff *skb,
				    unsigned long delay);
void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work);
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_ */
Commit	Line	Data
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 SE	28	struct sk_buff;
	29	struct work_struct;
	30
e91ecfc6 MH	31	int batadv_send_skb_to_orig(struct sk_buff *skb,
	32	struct batadv_orig_node *orig_node,
	33	struct batadv_hard_iface *recv_if);
95d39278 AQ	34	int batadv_send_skb_packet(struct sk_buff *skb,
	35	struct batadv_hard_iface *hard_iface,
	36	const u8 *dst_addr);
	37	int batadv_send_broadcast_skb(struct sk_buff *skb,
	38	struct batadv_hard_iface *hard_iface);
	39	int batadv_send_unicast_skb(struct sk_buff *skb,
	40	struct batadv_neigh_node *neigh_node);
56303d34 SE	41	void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface);
56303d34 SE	42	int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
9455e34c SE	43	const struct sk_buff *skb,
	44	unsigned long delay);
	45	void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work);
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,
e300d314 LL	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,
e300d314 LL	63	unsigned short vid);
f097e25d MH	64
f097e25d MH	65	/**
e300d314	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
f097e25d MH	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	/**
e300d314	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,
e300d314 LL	108	BATADV_UNICAST_4ADDR,
6c413b1c	109	packet_subtype, dst_hint, vid);
f097e25d	110	}
c6c8fea2 SE	111
c6c8fea2 SE	112	#endif /* _NET_BATMAN_ADV_SEND_H_ */