/* SPDX-License-Identifier: GPL-2.0 */

  /* Copyright 2011-2014 Autronica Fire and Security AS

   *

   * Author(s):

   *	2011-2014 Arvid Brodin, arvid.brodin@alten.se

   */

  #ifndef __HSR_FRAMEREG_H
  #define __HSR_FRAMEREG_H

  
  #include "hsr_main.h"

  struct hsr_node;

  void hsr_del_self_node(struct hsr_priv *hsr);

  void hsr_del_nodes(struct list_head *node_db);

  struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,

  			      bool is_sup);
  void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
  			  struct hsr_port *port);
  bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr);
  
  void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb);
  void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb,

  			 struct hsr_port *port);

  void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port,
  			   u16 sequence_nr);
  int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
  			   u16 sequence_nr);

  void hsr_prune_nodes(struct timer_list *t);

  int hsr_create_self_node(struct hsr_priv *hsr,

  			 unsigned char addr_a[ETH_ALEN],
  			 unsigned char addr_b[ETH_ALEN]);

  void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos,

  			unsigned char addr[ETH_ALEN]);

  int hsr_get_node_data(struct hsr_priv *hsr,

  		      const unsigned char *addr,
  		      unsigned char addr_b[ETH_ALEN],
  		      unsigned int *addr_b_ifindex,
  		      int *if1_age,
  		      u16 *if1_seq,
  		      int *if2_age,
  		      u16 *if2_seq);

  struct hsr_node {
  	struct list_head	mac_list;
  	unsigned char		macaddress_A[ETH_ALEN];
  	unsigned char		macaddress_B[ETH_ALEN];
  	/* Local slave through which AddrB frames are received from this node */
  	enum hsr_port_type	addr_B_port;
  	unsigned long		time_in[HSR_PT_PORTS];
  	bool			time_in_stale[HSR_PT_PORTS];
  	u16			seq_out[HSR_PT_PORTS];
  	struct rcu_head		rcu_head;
  };

  #endif /* __HSR_FRAMEREG_H */