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/* 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
 8#ifndef __HSR_FRAMEREG_H
 9#define __HSR_FRAMEREG_H
10
11#include "hsr_main.h"
12
13struct hsr_node;
14
15void hsr_del_self_node(struct list_head *self_node_db);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
16void hsr_del_nodes(struct list_head *node_db);
17struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[],
18			      u16 seq_out);
19struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
20			      bool is_sup);
21void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
22			  struct hsr_port *port);
23bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr);
24
25void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb);
26void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb,
27			 struct hsr_port *port);
28
29void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port,
30			   u16 sequence_nr);
31int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node,
32			   u16 sequence_nr);
33
34void hsr_prune_nodes(struct timer_list *t);
35
36int hsr_create_self_node(struct list_head *self_node_db,
37			 unsigned char addr_a[ETH_ALEN],
38			 unsigned char addr_b[ETH_ALEN]);
39
40void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos,
41			unsigned char addr[ETH_ALEN]);
42
43int hsr_get_node_data(struct hsr_priv *hsr,
44		      const unsigned char *addr,
45		      unsigned char addr_b[ETH_ALEN],
46		      unsigned int *addr_b_ifindex,
47		      int *if1_age,
48		      u16 *if1_seq,
49		      int *if2_age,
50		      u16 *if2_seq);
51
 
 
 
 
52struct hsr_node {
53	struct list_head	mac_list;
54	unsigned char		macaddress_A[ETH_ALEN];
55	unsigned char		macaddress_B[ETH_ALEN];
56	/* Local slave through which AddrB frames are received from this node */
57	enum hsr_port_type	addr_B_port;
58	unsigned long		time_in[HSR_PT_PORTS];
59	bool			time_in_stale[HSR_PT_PORTS];
 
 
 
60	u16			seq_out[HSR_PT_PORTS];
61	struct rcu_head		rcu_head;
62};
63
64#endif /* __HSR_FRAMEREG_H */