Commit | Line | Data |
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0e7623bd | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
70ebe4a4 | 2 | /* Copyright 2011-2014 Autronica Fire and Security AS |
f421436a AB |
3 | * |
4 | * Author(s): | |
70ebe4a4 | 5 | * 2011-2014 Arvid Brodin, arvid.brodin@alten.se |
8f4c0e01 MK |
6 | * |
7 | * include file for HSR and PRP. | |
f421436a AB |
8 | */ |
9 | ||
70ebe4a4 AB |
10 | #ifndef __HSR_FRAMEREG_H |
11 | #define __HSR_FRAMEREG_H | |
f421436a AB |
12 | |
13 | #include "hsr_main.h" | |
14 | ||
70ebe4a4 | 15 | struct hsr_node; |
f421436a | 16 | |
451d8123 MK |
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 | ||
a0b92e05 JK |
31 | #ifdef CONFIG_LOCKDEP |
32 | int lockdep_hsr_is_held(spinlock_t *lock); | |
33 | #else | |
34 | #define lockdep_hsr_is_held(lock) 1 | |
35 | #endif | |
36 | ||
4acc45db | 37 | u32 hsr_mac_hash(struct hsr_priv *hsr, const unsigned char *addr); |
a0b92e05 | 38 | struct hsr_node *hsr_node_get_first(struct hlist_head *head, spinlock_t *lock); |
92a35678 | 39 | void hsr_del_self_node(struct hsr_priv *hsr); |
4acc45db JK |
40 | void hsr_del_nodes(struct hlist_head *node_db); |
41 | struct hsr_node *hsr_get_node(struct hsr_port *port, struct hlist_head *node_db, | |
451d8123 MK |
42 | struct sk_buff *skb, bool is_sup, |
43 | enum hsr_port_type rx_port); | |
44 | void hsr_handle_sup_frame(struct hsr_frame_info *frame); | |
f266a683 AB |
45 | bool hsr_addr_is_self(struct hsr_priv *hsr, unsigned char *addr); |
46 | ||
47 | void hsr_addr_subst_source(struct hsr_node *node, struct sk_buff *skb); | |
48 | void hsr_addr_subst_dest(struct hsr_node *node_src, struct sk_buff *skb, | |
c5a75911 | 49 | struct hsr_port *port); |
f421436a | 50 | |
f266a683 AB |
51 | void hsr_register_frame_in(struct hsr_node *node, struct hsr_port *port, |
52 | u16 sequence_nr); | |
53 | int hsr_register_frame_out(struct hsr_port *port, struct hsr_node *node, | |
54 | u16 sequence_nr); | |
f421436a | 55 | |
dda436b7 | 56 | void hsr_prune_nodes(struct timer_list *t); |
f421436a | 57 | |
92a35678 | 58 | int hsr_create_self_node(struct hsr_priv *hsr, |
39c19fb9 JK |
59 | const unsigned char addr_a[ETH_ALEN], |
60 | const unsigned char addr_b[ETH_ALEN]); | |
f421436a | 61 | |
70ebe4a4 | 62 | void *hsr_get_next_node(struct hsr_priv *hsr, void *_pos, |
f421436a AB |
63 | unsigned char addr[ETH_ALEN]); |
64 | ||
70ebe4a4 | 65 | int hsr_get_node_data(struct hsr_priv *hsr, |
f421436a AB |
66 | const unsigned char *addr, |
67 | unsigned char addr_b[ETH_ALEN], | |
68 | unsigned int *addr_b_ifindex, | |
69 | int *if1_age, | |
70 | u16 *if1_seq, | |
71 | int *if2_age, | |
72 | u16 *if2_seq); | |
73 | ||
451d8123 MK |
74 | void prp_handle_san_frame(bool san, enum hsr_port_type port, |
75 | struct hsr_node *node); | |
76 | void prp_update_san_info(struct hsr_node *node, bool is_sup); | |
77 | ||
fc4ecaee | 78 | struct hsr_node { |
4acc45db | 79 | struct hlist_node mac_list; |
fc4ecaee MK |
80 | unsigned char macaddress_A[ETH_ALEN]; |
81 | unsigned char macaddress_B[ETH_ALEN]; | |
82 | /* Local slave through which AddrB frames are received from this node */ | |
83 | enum hsr_port_type addr_B_port; | |
84 | unsigned long time_in[HSR_PT_PORTS]; | |
85 | bool time_in_stale[HSR_PT_PORTS]; | |
f1764114 | 86 | unsigned long time_out[HSR_PT_PORTS]; |
451d8123 MK |
87 | /* if the node is a SAN */ |
88 | bool san_a; | |
89 | bool san_b; | |
fc4ecaee MK |
90 | u16 seq_out[HSR_PT_PORTS]; |
91 | struct rcu_head rcu_head; | |
92 | }; | |
93 | ||
70ebe4a4 | 94 | #endif /* __HSR_FRAMEREG_H */ |