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 | |
15 | struct hsr_node; |
16 | |
17 | struct 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 | |
31 | void hsr_del_self_node(struct hsr_priv *hsr); |
32 | void hsr_del_nodes(struct list_head *node_db); |
33 | struct 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); |
36 | void hsr_handle_sup_frame(struct hsr_frame_info *frame); |
37 | bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr); |
38 | |
39 | void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb); |
40 | void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb, |
41 | struct hsr_port *port); |
42 | |
43 | void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port, |
44 | u16 sequence_nr); |
45 | int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node, |
46 | u16 sequence_nr); |
47 | |
48 | void hsr_prune_nodes(struct timer_list *t); |
49 | |
50 | int hsr_create_self_node(struct hsr_priv *hsr, |
51 | const unsigned char addr_a[ETH_ALEN], |
52 | const unsigned char addr_b[ETH_ALEN]); |
53 | |
54 | void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos, |
55 | unsigned char addr[ETH_ALEN]); |
56 | |
57 | int 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 | |
66 | void prp_handle_san_frame(bool san, enum hsr_port_type port, |
67 | struct hsr_node *node); |
68 | void prp_update_san_info(struct hsr_node *node, bool is_sup); |
69 | |
70 | struct hsr_node { |
71 | struct list_head mac_list; |
72 | /* Protect R/W access to seq_out */ |
73 | spinlock_t seq_out_lock; |
74 | unsigned char macaddress_A[ETH_ALEN]; |
75 | unsigned char macaddress_B[ETH_ALEN]; |
76 | /* Local slave through which AddrB frames are received from this node */ |
77 | enum hsr_port_type addr_B_port; |
78 | unsigned long time_in[HSR_PT_PORTS]; |
79 | bool time_in_stale[HSR_PT_PORTS]; |
80 | unsigned long time_out[HSR_PT_PORTS]; |
81 | /* if the node is a SAN */ |
82 | bool san_a; |
83 | bool san_b; |
84 | u16 seq_out[HSR_PT_PORTS]; |
85 | bool removed; |
86 | struct rcu_head rcu_head; |
87 | }; |
88 | |
89 | #endif /* __HSR_FRAMEREG_H */ |
90 | |