150 строки
3.9 KiB
C
150 строки
3.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/* Copyright (C) 2011-2019 B.A.T.M.A.N. contributors:
|
|
*
|
|
* Simon Wunderlich
|
|
*/
|
|
|
|
#ifndef _NET_BATMAN_ADV_BLA_H_
|
|
#define _NET_BATMAN_ADV_BLA_H_
|
|
|
|
#include "main.h"
|
|
|
|
#include <linux/compiler.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/netlink.h>
|
|
#include <linux/seq_file.h>
|
|
#include <linux/skbuff.h>
|
|
#include <linux/stddef.h>
|
|
#include <linux/types.h>
|
|
|
|
/**
|
|
* batadv_bla_is_loopdetect_mac() - check if the mac address is from a loop
|
|
* detect frame sent by bridge loop avoidance
|
|
* @mac: mac address to check
|
|
*
|
|
* Return: true if the it looks like a loop detect frame
|
|
* (mac starts with BA:BE), false otherwise
|
|
*/
|
|
static inline bool batadv_bla_is_loopdetect_mac(const uint8_t *mac)
|
|
{
|
|
if (mac[0] == 0xba && mac[1] == 0xbe)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
#ifdef CONFIG_BATMAN_ADV_BLA
|
|
bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
|
|
unsigned short vid, bool is_bcast);
|
|
bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
|
|
unsigned short vid);
|
|
bool 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_claim_dump(struct sk_buff *msg, struct netlink_callback *cb);
|
|
int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
|
|
void *offset);
|
|
int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb);
|
|
bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,
|
|
unsigned short vid);
|
|
bool 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);
|
|
int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb);
|
|
#ifdef CONFIG_BATMAN_ADV_DAT
|
|
bool batadv_bla_check_claim(struct batadv_priv *bat_priv, u8 *addr,
|
|
unsigned short vid);
|
|
#endif
|
|
#define BATADV_BLA_CRC_INIT 0
|
|
#else /* ifdef CONFIG_BATMAN_ADV_BLA */
|
|
|
|
static inline bool batadv_bla_rx(struct batadv_priv *bat_priv,
|
|
struct sk_buff *skb, unsigned short vid,
|
|
bool is_bcast)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline bool batadv_bla_tx(struct batadv_priv *bat_priv,
|
|
struct sk_buff *skb, unsigned short vid)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
|
|
struct batadv_orig_node *orig_node,
|
|
int hdr_size)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
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 bool
|
|
batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
|
|
struct sk_buff *skb)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
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)
|
|
{
|
|
}
|
|
|
|
static inline int batadv_bla_claim_dump(struct sk_buff *msg,
|
|
struct netlink_callback *cb)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int batadv_bla_backbone_dump(struct sk_buff *msg,
|
|
struct netlink_callback *cb)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline
|
|
bool batadv_bla_check_claim(struct batadv_priv *bat_priv, u8 *addr,
|
|
unsigned short vid)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
#endif /* ifdef CONFIG_BATMAN_ADV_BLA */
|
|
|
|
#endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */
|