1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Copyright 2011-2014 Autronica Fire and Security AS
 3 *
 
 
 
 
 
 4 * Author(s):
 5 *	2011-2014 Arvid Brodin, arvid.brodin@alten.se
 6 *
 7 * include file for HSR and PRP.
 8 */
 9
10#ifndef __HSR_FRAMEREG_H
11#define __HSR_FRAMEREG_H
12
13#include "hsr_main.h"
14
15struct hsr_node;
16
17struct hsr_frame_info {
18	struct sk_buff *skb_std;
19	struct sk_buff *skb_hsr;
20	struct sk_buff *skb_prp;
21	struct hsr_port *port_rcv;
22	struct hsr_node *node_src;
23	u16 sequence_nr;
24	bool is_supervision;
25	bool is_vlan;
26	bool is_local_dest;
27	bool is_local_exclusive;
28	bool is_from_san;
29};
30
31void hsr_del_self_node(struct hsr_priv *hsr);
32void hsr_del_nodes(struct list_head *node_db);
33struct hsr_node *hsr_get_node(struct hsr_port *port, struct list_head *node_db,
34			      struct sk_buff *skb, bool is_sup,
35			      enum hsr_port_type rx_port);
36void hsr_handle_sup_frame(struct hsr_frame_info *frame);
37bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr);
38
39void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb);
40void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb,
41			 struct hsr_port *port);
42
43void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port,
44			   u16 sequence_nr);
45int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
46			   u16 sequence_nr);
47
48void hsr_prune_nodes(struct timer_list *t);
49
50int hsr_create_self_node(struct hsr_priv *hsr,
51			 unsigned char addr_a[ETH_ALEN],
52			 unsigned char addr_b[ETH_ALEN]);
53
54void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos,
55			unsigned char addr[ETH_ALEN]);
56
57int hsr_get_node_data(struct hsr_priv *hsr,
58		      const unsigned char *addr,
59		      unsigned char addr_b[ETH_ALEN],
60		      unsigned int *addr_b_ifindex,
61		      int *if1_age,
62		      u16 *if1_seq,
63		      int *if2_age,
64		      u16 *if2_seq);
65
66void prp_handle_san_frame(bool san, enum hsr_port_type port,
67			  struct hsr_node *node);
68void prp_update_san_info(struct hsr_node *node, bool is_sup);
69
70struct hsr_node {
71	struct list_head	mac_list;
72	unsigned char		macaddress_A[ETH_ALEN];
73	unsigned char		macaddress_B[ETH_ALEN];
74	/* Local slave through which AddrB frames are received from this node */
75	enum hsr_port_type	addr_B_port;
76	unsigned long		time_in[HSR_PT_PORTS];
77	bool			time_in_stale[HSR_PT_PORTS];
78	/* if the node is a SAN */
79	bool			san_a;
80	bool			san_b;
81	u16			seq_out[HSR_PT_PORTS];
82	struct rcu_head		rcu_head;
83};
84
85#endif /* __HSR_FRAMEREG_H */

 
 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
17struct hsr_node;
18
19struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[],
20			      u16 seq_out);
21struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
22			      bool is_sup);
23void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
24			  struct hsr_port *port);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
25bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr);
26
27void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb);
28void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb,
29			 struct hsr_port *port);
30
31void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port,
32			   u16 sequence_nr);
33int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
34			   u16 sequence_nr);
35
36void hsr_prune_nodes(struct timer_list *t);
37
38int 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
42void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos,
43			unsigned char addr[ETH_ALEN]);
44
45int 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 */