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

/*
 * Copyright (C) 2011-2012 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA
 *
 */

#ifndef _NET_BATMAN_ADV_BLA_H_
#define _NET_BATMAN_ADV_BLA_H_

#ifdef CONFIG_BATMAN_ADV_BLA
int batadv_bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid);
int batadv_bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid);
int batadv_bla_is_backbone_gw(struct sk_buff *skb,
			      struct orig_node *orig_node, int hdr_size);
int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig);
int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv,
				   struct bcast_packet *bcast_packet,
				   int hdr_size);
void batadv_bla_update_orig_address(struct bat_priv *bat_priv,
				    struct hard_iface *primary_if,
				    struct hard_iface *oldif);
int batadv_bla_init(struct bat_priv *bat_priv);
void batadv_bla_free(struct bat_priv *bat_priv);

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

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

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

static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
					    struct 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_is_backbone_gw_orig(struct bat_priv *bat_priv,
						 uint8_t *orig)
{
	return 0;
}

static inline int
batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv,
			       struct bcast_packet *bcast_packet,
			       int hdr_size)
{
	return 0;
}

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

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

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

#endif /* ifdef CONFIG_BATMAN_ADV_BLA */

#endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */
Commit	Line	Data
23721387	1	/*
c64703aa	2	* Copyright (C) 2011-2012 B.A.T.M.A.N. contributors:
23721387 SW	3	*
	4	* Simon Wunderlich
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of version 2 of the GNU General Public
	8	* License as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful, but
	11	* WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
	18	* 02110-1301, USA
	19	*
	20	*/
	21
	22	#ifndef _NET_BATMAN_ADV_BLA_H_
	23	#define _NET_BATMAN_ADV_BLA_H_
	24
7a5cc242	25	#ifdef CONFIG_BATMAN_ADV_BLA
08adf151 SE	26	int batadv_bla_rx(struct bat_priv bat_priv, struct sk_buff skb, short vid);
	27	int batadv_bla_tx(struct bat_priv bat_priv, struct sk_buff skb, short vid);
	28	int batadv_bla_is_backbone_gw(struct sk_buff *skb,
	29	struct orig_node *orig_node, int hdr_size);
	30	int batadv_bla_claim_table_seq_print_text(struct seq_file seq, void offset);
	31	int batadv_bla_is_backbone_gw_orig(struct bat_priv bat_priv, uint8_t orig);
	32	int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv,
	33	struct bcast_packet *bcast_packet,
	34	int hdr_size);
	35	void batadv_bla_update_orig_address(struct bat_priv *bat_priv,
	36	struct hard_iface *primary_if,
	37	struct hard_iface *oldif);
	38	int batadv_bla_init(struct bat_priv *bat_priv);
	39	void batadv_bla_free(struct bat_priv *bat_priv);
23721387 SW	40
23721387 SW	41	#define BLA_CRC_INIT 0
7a5cc242 SW	42	#else /* ifdef CONFIG_BATMAN_ADV_BLA */
7a5cc242 SW	43
08adf151 SE	44	static inline int batadv_bla_rx(struct bat_priv bat_priv, struct sk_buff skb,
08adf151 SE	45	short vid)
7a5cc242 SW	46	{
	47	return 0;
	48	}
	49
08adf151 SE	50	static inline int batadv_bla_tx(struct bat_priv bat_priv, struct sk_buff skb,
08adf151 SE	51	short vid)
7a5cc242 SW	52	{
	53	return 0;
	54	}
	55
08adf151 SE	56	static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
	57	struct orig_node *orig_node,
	58	int hdr_size)
7a5cc242 SW	59	{
	60	return 0;
	61	}
	62
08adf151 SE	63	static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
08adf151 SE	64	void *offset)
7a5cc242 SW	65	{
	66	return 0;
	67	}
	68
08adf151 SE	69	static inline int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv,
08adf151 SE	70	uint8_t *orig)
7a5cc242 SW	71	{
	72	return 0;
	73	}
	74
08adf151 SE	75	static inline int
	76	batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv,
	77	struct bcast_packet *bcast_packet,
	78	int hdr_size)
7a5cc242 SW	79	{
	80	return 0;
	81	}
	82
08adf151 SE	83	static inline void
	84	batadv_bla_update_orig_address(struct bat_priv *bat_priv,
	85	struct hard_iface *primary_if,
	86	struct hard_iface *oldif)
7a5cc242 SW	87	{
	88	}
	89
08adf151	90	static inline int batadv_bla_init(struct bat_priv *bat_priv)
7a5cc242 SW	91	{
	92	return 1;
	93	}
	94
08adf151	95	static inline void batadv_bla_free(struct bat_priv *bat_priv)
7a5cc242 SW	96	{
	97	}
	98
	99	#endif /* ifdef CONFIG_BATMAN_ADV_BLA */
23721387 SW	100
23721387 SW	101	#endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */