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

/* Copyright (C) 2011-2015 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 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);
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
9f6446c7	1	/* Copyright (C) 2011-2015 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
1e2c2a4f SE	25	struct seq_file;
	26	struct sk_buff;
	27
7a5cc242	28	#ifdef CONFIG_BATMAN_ADV_BLA
eb2deb6b AQ	29	int batadv_bla_rx(struct batadv_priv bat_priv, struct sk_buff skb,
	30	unsigned short vid, bool is_bcast);
	31	int batadv_bla_tx(struct batadv_priv bat_priv, struct sk_buff skb,
	32	unsigned short vid);
08adf151	33	int batadv_bla_is_backbone_gw(struct sk_buff *skb,
56303d34	34	struct batadv_orig_node *orig_node, int hdr_size);
08adf151	35	int batadv_bla_claim_table_seq_print_text(struct seq_file seq, void offset);
536a23f1 SW	36	int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
536a23f1 SW	37	void *offset);
6b5e971a	38	bool batadv_bla_is_backbone_gw_orig(struct batadv_priv bat_priv, u8 orig,
cfd4f757	39	unsigned short vid);
56303d34	40	int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
004e86fc	41	struct sk_buff *skb);
56303d34 SE	42	void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
	43	struct batadv_hard_iface *primary_if,
	44	struct batadv_hard_iface *oldif);
	45	int batadv_bla_init(struct batadv_priv *bat_priv);
	46	void batadv_bla_free(struct batadv_priv *bat_priv);
23721387	47
3964f728	48	#define BATADV_BLA_CRC_INIT 0
7a5cc242 SW	49	#else /* ifdef CONFIG_BATMAN_ADV_BLA */
7a5cc242 SW	50
56303d34	51	static inline int batadv_bla_rx(struct batadv_priv *bat_priv,
eb2deb6b AQ	52	struct sk_buff *skb, unsigned short vid,
eb2deb6b AQ	53	bool is_bcast)
7a5cc242 SW	54	{
	55	return 0;
	56	}
	57
56303d34	58	static inline int batadv_bla_tx(struct batadv_priv *bat_priv,
eb2deb6b	59	struct sk_buff *skb, unsigned short vid)
7a5cc242 SW	60	{
	61	return 0;
	62	}
	63
08adf151	64	static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
56303d34	65	struct batadv_orig_node *orig_node,
08adf151	66	int hdr_size)
7a5cc242 SW	67	{
	68	return 0;
	69	}
	70
08adf151 SE	71	static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
08adf151 SE	72	void *offset)
7a5cc242 SW	73	{
	74	return 0;
	75	}
	76
536a23f1 SW	77	static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
	78	void *offset)
	79	{
	80	return 0;
	81	}
	82
cfd4f757	83	static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
6b5e971a	84	u8 *orig, unsigned short vid)
7a5cc242	85	{
cfd4f757	86	return false;
7a5cc242 SW	87	}
7a5cc242 SW	88
08adf151	89	static inline int
56303d34	90	batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
004e86fc	91	struct sk_buff *skb)
7a5cc242 SW	92	{
	93	return 0;
	94	}
	95
08adf151	96	static inline void
56303d34 SE	97	batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
	98	struct batadv_hard_iface *primary_if,
	99	struct batadv_hard_iface *oldif)
7a5cc242 SW	100	{
	101	}
	102
56303d34	103	static inline int batadv_bla_init(struct batadv_priv *bat_priv)
7a5cc242 SW	104	{
	105	return 1;
	106	}
	107
56303d34	108	static inline void batadv_bla_free(struct batadv_priv *bat_priv)
7a5cc242 SW	109	{
	110	}
	111
	112	#endif /* ifdef CONFIG_BATMAN_ADV_BLA */
23721387 SW	113
23721387 SW	114	#endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */