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

/* Copyright (C) 2011-2014 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_

#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, uint8_t *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,
						  uint8_t *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
e19f9759	1	/* Copyright (C) 2011-2014 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
7a5cc242	21	#ifdef CONFIG_BATMAN_ADV_BLA
eb2deb6b AQ	22	int batadv_bla_rx(struct batadv_priv bat_priv, struct sk_buff skb,
	23	unsigned short vid, bool is_bcast);
	24	int batadv_bla_tx(struct batadv_priv bat_priv, struct sk_buff skb,
	25	unsigned short vid);
08adf151	26	int batadv_bla_is_backbone_gw(struct sk_buff *skb,
56303d34	27	struct batadv_orig_node *orig_node, int hdr_size);
08adf151	28	int batadv_bla_claim_table_seq_print_text(struct seq_file seq, void offset);
536a23f1 SW	29	int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
536a23f1 SW	30	void *offset);
cfd4f757 AQ	31	bool batadv_bla_is_backbone_gw_orig(struct batadv_priv bat_priv, uint8_t orig,
cfd4f757 AQ	32	unsigned short vid);
56303d34	33	int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
004e86fc	34	struct sk_buff *skb);
56303d34 SE	35	void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
	36	struct batadv_hard_iface *primary_if,
	37	struct batadv_hard_iface *oldif);
	38	int batadv_bla_init(struct batadv_priv *bat_priv);
	39	void batadv_bla_free(struct batadv_priv *bat_priv);
23721387	40
3964f728	41	#define BATADV_BLA_CRC_INIT 0
7a5cc242 SW	42	#else /* ifdef CONFIG_BATMAN_ADV_BLA */
7a5cc242 SW	43
56303d34	44	static inline int batadv_bla_rx(struct batadv_priv *bat_priv,
eb2deb6b AQ	45	struct sk_buff *skb, unsigned short vid,
eb2deb6b AQ	46	bool is_bcast)
7a5cc242 SW	47	{
	48	return 0;
	49	}
	50
56303d34	51	static inline int batadv_bla_tx(struct batadv_priv *bat_priv,
eb2deb6b	52	struct sk_buff *skb, unsigned short vid)
7a5cc242 SW	53	{
	54	return 0;
	55	}
	56
08adf151	57	static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
56303d34	58	struct batadv_orig_node *orig_node,
08adf151	59	int hdr_size)
7a5cc242 SW	60	{
	61	return 0;
	62	}
	63
08adf151 SE	64	static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
08adf151 SE	65	void *offset)
7a5cc242 SW	66	{
	67	return 0;
	68	}
	69
536a23f1 SW	70	static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
	71	void *offset)
	72	{
	73	return 0;
	74	}
	75
cfd4f757 AQ	76	static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
	77	uint8_t *orig,
	78	unsigned short vid)
7a5cc242	79	{
cfd4f757	80	return false;
7a5cc242 SW	81	}
7a5cc242 SW	82
08adf151	83	static inline int
56303d34	84	batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
004e86fc	85	struct sk_buff *skb)
7a5cc242 SW	86	{
	87	return 0;
	88	}
	89
08adf151	90	static inline void
56303d34 SE	91	batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
	92	struct batadv_hard_iface *primary_if,
	93	struct batadv_hard_iface *oldif)
7a5cc242 SW	94	{
	95	}
	96
56303d34	97	static inline int batadv_bla_init(struct batadv_priv *bat_priv)
7a5cc242 SW	98	{
	99	return 1;
	100	}
	101
56303d34	102	static inline void batadv_bla_free(struct batadv_priv *bat_priv)
7a5cc242 SW	103	{
	104	}
	105
	106	#endif /* ifdef CONFIG_BATMAN_ADV_BLA */
23721387 SW	107
23721387 SW	108	#endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */