alistair23-linux/net/batman-adv/bridge_loop_avoidance.h
Simon Wunderlich d68081a240 batman-adv: purge bridge loop avoidance when its disabled
When bridge loop avoidance is disabled through sysfs, the internal
datastructures are not disabled, but only BLA operations are disabled.
To be sure that they are removed, purge the data immediately. That is
especially useful if a firmwares network state is changed, and the BLA
wait periods should restart on the new network.

Signed-off-by: Simon Wunderlich <simon@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
2016-01-09 20:56:00 +08:00

117 lines
3.2 KiB
C

/* 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 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_ */