[deliverable/linux.git] / net / batman-adv / bridge_loop_avoidance.h

/* Copyright (C) 2011-2016  B.A.T.M.A.N. contributors:
 *
 * 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_BLA_H_
#define _NET_BATMAN_ADV_BLA_H_

#include "main.h"

#include <linux/types.h>

struct net_device;
struct seq_file;
struct sk_buff;

#ifdef CONFIG_BATMAN_ADV_BLA
int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
		  unsigned short vid, bool is_bcast);
int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
		  unsigned short vid);
int batadv_bla_is_backbone_gw(struct sk_buff *skb,
			      struct batadv_orig_node *orig_node, int hdr_size);
int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
					     void *offset);
bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,
				    unsigned short vid);
int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
				   struct sk_buff *skb);
void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
				    struct batadv_hard_iface *primary_if,
				    struct batadv_hard_iface *oldif);
void batadv_bla_status_update(struct net_device *net_dev);
int batadv_bla_init(struct batadv_priv *bat_priv);
void batadv_bla_free(struct batadv_priv *bat_priv);

#define BATADV_BLA_CRC_INIT	0
#else /* ifdef CONFIG_BATMAN_ADV_BLA */

static inline int batadv_bla_rx(struct batadv_priv *bat_priv,
				struct sk_buff *skb, unsigned short vid,
				bool is_bcast)
{
	return 0;
}

static inline int batadv_bla_tx(struct batadv_priv *bat_priv,
				struct sk_buff *skb, unsigned short vid)
{
	return 0;
}

static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
					    struct batadv_orig_node *orig_node,
					    int hdr_size)
{
	return 0;
}

static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
							void *offset)
{
	return 0;
}

static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
							   void *offset)
{
	return 0;
}

static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
						  u8 *orig, unsigned short vid)
{
	return false;
}

static inline int
batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
			       struct sk_buff *skb)
{
	return 0;
}

static inline void
batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
			       struct batadv_hard_iface *primary_if,
			       struct batadv_hard_iface *oldif)
{
}

static inline int batadv_bla_init(struct batadv_priv *bat_priv)
{
	return 1;
}

static inline void batadv_bla_free(struct batadv_priv *bat_priv)
{
}

#endif /* ifdef CONFIG_BATMAN_ADV_BLA */

#endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */
Commit	Line	Data
0046b040	1	/* Copyright (C) 2011-2016 B.A.T.M.A.N. contributors:
23721387 SW	2	*
	3	* 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/>.
23721387 SW	16	*/
	17
	18	#ifndef _NET_BATMAN_ADV_BLA_H_
	19	#define _NET_BATMAN_ADV_BLA_H_
	20
1e2c2a4f SE	21	#include "main.h"
	22
	23	#include <linux/types.h>
	24
d68081a2	25	struct net_device;
1e2c2a4f SE	26	struct seq_file;
	27	struct sk_buff;
	28
7a5cc242	29	#ifdef CONFIG_BATMAN_ADV_BLA
eb2deb6b AQ	30	int batadv_bla_rx(struct batadv_priv bat_priv, struct sk_buff skb,
	31	unsigned short vid, bool is_bcast);
	32	int batadv_bla_tx(struct batadv_priv bat_priv, struct sk_buff skb,
	33	unsigned short vid);
08adf151	34	int batadv_bla_is_backbone_gw(struct sk_buff *skb,
56303d34	35	struct batadv_orig_node *orig_node, int hdr_size);
08adf151	36	int batadv_bla_claim_table_seq_print_text(struct seq_file seq, void offset);
536a23f1 SW	37	int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
536a23f1 SW	38	void *offset);
6b5e971a	39	bool batadv_bla_is_backbone_gw_orig(struct batadv_priv bat_priv, u8 orig,
cfd4f757	40	unsigned short vid);
56303d34	41	int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
004e86fc	42	struct sk_buff *skb);
56303d34 SE	43	void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
	44	struct batadv_hard_iface *primary_if,
	45	struct batadv_hard_iface *oldif);
d68081a2	46	void batadv_bla_status_update(struct net_device *net_dev);
56303d34 SE	47	int batadv_bla_init(struct batadv_priv *bat_priv);
56303d34 SE	48	void batadv_bla_free(struct batadv_priv *bat_priv);
23721387	49
3964f728	50	#define BATADV_BLA_CRC_INIT 0
7a5cc242 SW	51	#else /* ifdef CONFIG_BATMAN_ADV_BLA */
7a5cc242 SW	52
56303d34	53	static inline int batadv_bla_rx(struct batadv_priv *bat_priv,
eb2deb6b AQ	54	struct sk_buff *skb, unsigned short vid,
eb2deb6b AQ	55	bool is_bcast)
7a5cc242 SW	56	{
	57	return 0;
	58	}
	59
56303d34	60	static inline int batadv_bla_tx(struct batadv_priv *bat_priv,
eb2deb6b	61	struct sk_buff *skb, unsigned short vid)
7a5cc242 SW	62	{
	63	return 0;
	64	}
	65
08adf151	66	static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
56303d34	67	struct batadv_orig_node *orig_node,
08adf151	68	int hdr_size)
7a5cc242 SW	69	{
	70	return 0;
	71	}
	72
08adf151 SE	73	static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
08adf151 SE	74	void *offset)
7a5cc242 SW	75	{
	76	return 0;
	77	}
	78
536a23f1 SW	79	static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
	80	void *offset)
	81	{
	82	return 0;
	83	}
	84
cfd4f757	85	static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
6b5e971a	86	u8 *orig, unsigned short vid)
7a5cc242	87	{
cfd4f757	88	return false;
7a5cc242 SW	89	}
7a5cc242 SW	90
08adf151	91	static inline int
56303d34	92	batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
004e86fc	93	struct sk_buff *skb)
7a5cc242 SW	94	{
	95	return 0;
	96	}
	97
08adf151	98	static inline void
56303d34 SE	99	batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
	100	struct batadv_hard_iface *primary_if,
	101	struct batadv_hard_iface *oldif)
7a5cc242 SW	102	{
	103	}
	104
56303d34	105	static inline int batadv_bla_init(struct batadv_priv *bat_priv)
7a5cc242 SW	106	{
	107	return 1;
	108	}
	109
56303d34	110	static inline void batadv_bla_free(struct batadv_priv *bat_priv)
7a5cc242 SW	111	{
	112	}
	113
	114	#endif /* ifdef CONFIG_BATMAN_ADV_BLA */
23721387 SW	115
23721387 SW	116	#endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */