hsr_prp_framereg.h
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/* Copyright 2011-2014 Autronica Fire and Security AS
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* Author(s):
* 2011-2014 Arvid Brodin, arvid.brodin@alten.se
*/
#ifndef __HSR_PRP_FRAMEREG_H
#define __HSR_PRP_FRAMEREG_H
#include "hsr_prp_main.h"
struct hsr_prp_node;
struct hsr_prp_node *hsr_prp_add_node(struct list_head *node_db,
unsigned char addr[], u16 seq_out,
bool san,
enum hsr_prp_port_type rx_port);
struct hsr_prp_node *hsr_prp_get_node(struct list_head *node_db,
struct sk_buff *skb, bool is_sup,
enum hsr_prp_port_type rx_port);
void hsr_prp_handle_sup_frame(struct sk_buff *skb,
struct hsr_prp_node *node_curr,
struct hsr_prp_port *port);
bool hsr_prp_addr_is_self(struct hsr_prp_priv *priv, unsigned char *addr);
void hsr_addr_subst_source(struct hsr_prp_node *node, struct sk_buff *skb);
void hsr_addr_subst_dest(struct hsr_prp_node *node_src, struct sk_buff *skb,
struct hsr_prp_port *port);
void hsr_register_frame_in(struct hsr_prp_node *node,
struct hsr_prp_port *port, u16 sequence_nr);
int hsr_register_frame_out(struct hsr_prp_port *port,
struct hsr_prp_node *node,
u16 sequence_nr);
void hsr_prp_prune_nodes(unsigned long data);
int hsr_prp_create_self_node(struct list_head *self_node_db,
unsigned char addr_a[ETH_ALEN],
unsigned char addr_b[ETH_ALEN]);
void *hsr_prp_get_next_node(struct hsr_prp_priv *priv, void *_pos,
unsigned char addr[ETH_ALEN]);
int hsr_prp_get_node_data(struct hsr_prp_priv *priv,
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_prp_node {
struct list_head mac_list;
unsigned char mac_address_a[ETH_ALEN];
unsigned char mac_address_b[ETH_ALEN];
/* Local slave through which AddrB frames are received from this node */
enum hsr_prp_port_type addr_b_port;
u32 cnt_received_a;
u32 cnt_received_b;
u32 cnt_err_wrong_lan_a;
u32 cnt_err_wrong_lan_b;
unsigned long time_in[HSR_PRP_PT_PORTS];
bool time_in_stale[HSR_PRP_PT_PORTS];
/* if the node is a SAN */
bool san_a;
bool san_b;
u16 seq_out[HSR_PRP_PT_PORTS];
struct rcu_head rcu_head;
};
#endif /* __HSR_PRP_FRAMEREG_H */