xref: /linux/net/hsr/hsr_framereg.h (revision 18f90d372cf35b387663f1567de701e5393f6eb5)
1 /* Copyright 2011-2014 Autronica Fire and Security AS
2  *
3  * This program is free software; you can redistribute it and/or modify it
4  * under the terms of the GNU General Public License as published by the Free
5  * Software Foundation; either version 2 of the License, or (at your option)
6  * any later version.
7  *
8  * Author(s):
9  *	2011-2014 Arvid Brodin, arvid.brodin@alten.se
10  */
11 
12 #ifndef __HSR_FRAMEREG_H
13 #define __HSR_FRAMEREG_H
14 
15 #include "hsr_main.h"
16 
17 struct hsr_node;
18 
19 void hsr_del_node(struct list_head *self_node_db);
20 struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[],
21 			      u16 seq_out);
22 struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
23 			      bool is_sup);
24 void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
25 			  struct hsr_port *port);
26 bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr);
27 
28 void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb);
29 void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb,
30 			 struct hsr_port *port);
31 
32 void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port,
33 			   u16 sequence_nr);
34 int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
35 			   u16 sequence_nr);
36 
37 void hsr_prune_nodes(struct timer_list *t);
38 
39 int hsr_create_self_node(struct list_head *self_node_db,
40 			 unsigned char addr_a[ETH_ALEN],
41 			 unsigned char addr_b[ETH_ALEN]);
42 
43 void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos,
44 			unsigned char addr[ETH_ALEN]);
45 
46 int hsr_get_node_data(struct hsr_priv *hsr,
47 		      const unsigned char *addr,
48 		      unsigned char addr_b[ETH_ALEN],
49 		      unsigned int *addr_b_ifindex,
50 		      int *if1_age,
51 		      u16 *if1_seq,
52 		      int *if2_age,
53 		      u16 *if2_seq);
54 
55 #endif /* __HSR_FRAMEREG_H */
56