/* SPDX-License-Identifier: GPL-2.0 *//* Copyright (C) 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/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 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_BLAbool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,		   unsigned short vid, int packet_type);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_dump(struct sk_buff *msg, struct netlink_callback *cb);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);#ifdef CONFIG_BATMAN_ADV_DATbool 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,				 int packet_type){	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 bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,						  u8 *orig, unsigned short vid){	return false;} static inline boolbatadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,			       struct sk_buff *skb){	return false;} static inline voidbatadv_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 inlinebool 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_ */