xref: /openbmc/linux/net/hsr/hsr_framereg.h (revision bc000245)
1 /* Copyright 2011-2013 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  *	2011-2013 Arvid Brodin, arvid.brodin@xdin.com
10  */
11 
12 #ifndef _HSR_FRAMEREG_H
13 #define _HSR_FRAMEREG_H
14 
15 #include "hsr_main.h"
16 
17 struct node_entry;
18 
19 struct node_entry *hsr_find_node(struct list_head *node_db, struct sk_buff *skb);
20 
21 struct node_entry *hsr_merge_node(struct hsr_priv *hsr_priv,
22 				  struct node_entry *node,
23 				  struct sk_buff *skb,
24 				  enum hsr_dev_idx dev_idx);
25 
26 void hsr_addr_subst_source(struct hsr_priv *hsr_priv, struct sk_buff *skb);
27 void hsr_addr_subst_dest(struct hsr_priv *hsr_priv, struct ethhdr *ethhdr,
28 			 enum hsr_dev_idx dev_idx);
29 
30 void hsr_register_frame_in(struct node_entry *node, enum hsr_dev_idx dev_idx);
31 
32 int hsr_register_frame_out(struct node_entry *node, enum hsr_dev_idx dev_idx,
33 			   struct sk_buff *skb);
34 
35 void hsr_prune_nodes(struct hsr_priv *hsr_priv);
36 
37 int hsr_create_self_node(struct list_head *self_node_db,
38 			 unsigned char addr_a[ETH_ALEN],
39 			 unsigned char addr_b[ETH_ALEN]);
40 
41 void *hsr_get_next_node(struct hsr_priv *hsr_priv, void *_pos,
42 			unsigned char addr[ETH_ALEN]);
43 
44 int hsr_get_node_data(struct hsr_priv *hsr_priv,
45 		      const unsigned char *addr,
46 		      unsigned char addr_b[ETH_ALEN],
47 		      unsigned int *addr_b_ifindex,
48 		      int *if1_age,
49 		      u16 *if1_seq,
50 		      int *if2_age,
51 		      u16 *if2_seq);
52 
53 #endif /* _HSR_FRAMEREG_H */
54