xref: /openbmc/linux/net/hsr/hsr_framereg.h (revision d0e22329)
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 struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[],
20 			      u16 seq_out);
21 struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
22 			      bool is_sup);
23 void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
24 			  struct hsr_port *port);
25 bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr);
26 
27 void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb);
28 void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb,
29 			 struct hsr_port *port);
30 
31 void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port,
32 			   u16 sequence_nr);
33 int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
34 			   u16 sequence_nr);
35 
36 void hsr_prune_nodes(struct timer_list *t);
37 
38 int hsr_create_self_node(struct list_head *self_node_db,
39 			 unsigned char addr_a[ETH_ALEN],
40 			 unsigned char addr_b[ETH_ALEN]);
41 
42 void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos,
43 			unsigned char addr[ETH_ALEN]);
44 
45 int hsr_get_node_data(struct hsr_priv *hsr,
46 		      const unsigned char *addr,
47 		      unsigned char addr_b[ETH_ALEN],
48 		      unsigned int *addr_b_ifindex,
49 		      int *if1_age,
50 		      u16 *if1_seq,
51 		      int *if2_age,
52 		      u16 *if2_seq);
53 
54 #endif /* __HSR_FRAMEREG_H */
55