forked from grate-driver/linux
-
Notifications
You must be signed in to change notification settings - Fork 0
/
br_private_mrp.h
148 lines (125 loc) · 4.29 KB
/
br_private_mrp.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _BR_PRIVATE_MRP_H_
#define _BR_PRIVATE_MRP_H_
#include "br_private.h"
#include <uapi/linux/mrp_bridge.h>
#define MRP_OPT_PADDING 0x2
struct br_mrp {
/* list of mrp instances */
struct hlist_node list;
struct net_bridge_port __rcu *p_port;
struct net_bridge_port __rcu *s_port;
struct net_bridge_port __rcu *i_port;
u32 ring_id;
u16 in_id;
u16 prio;
enum br_mrp_ring_role_type ring_role;
u8 ring_role_offloaded;
enum br_mrp_ring_state_type ring_state;
u32 ring_transitions;
enum br_mrp_in_role_type in_role;
u8 in_role_offloaded;
enum br_mrp_in_state_type in_state;
u32 in_transitions;
struct delayed_work test_work;
u32 test_interval;
unsigned long test_end;
u32 test_count_miss;
u32 test_max_miss;
bool test_monitor;
struct delayed_work in_test_work;
u32 in_test_interval;
unsigned long in_test_end;
u32 in_test_count_miss;
u32 in_test_max_miss;
u32 seq_id;
struct rcu_head rcu;
};
/* This type is returned by br_mrp_switchdev functions that allow to have a SW
* backup in case the HW can't implement completely the protocol.
* BR_MRP_NONE - means the HW can't run at all the protocol, so the SW stops
* configuring the node anymore.
* BR_MRP_SW - the HW can help the SW to run the protocol, by redirecting MRP
* frames to CPU.
* BR_MRP_HW - the HW can implement completely the protocol.
*/
enum br_mrp_hw_support {
BR_MRP_NONE,
BR_MRP_SW,
BR_MRP_HW,
};
/* br_mrp.c */
int br_mrp_add(struct net_bridge *br, struct br_mrp_instance *instance);
int br_mrp_del(struct net_bridge *br, struct br_mrp_instance *instance);
int br_mrp_set_port_state(struct net_bridge_port *p,
enum br_mrp_port_state_type state);
int br_mrp_set_port_role(struct net_bridge_port *p,
enum br_mrp_port_role_type role);
int br_mrp_set_ring_state(struct net_bridge *br,
struct br_mrp_ring_state *state);
int br_mrp_set_ring_role(struct net_bridge *br, struct br_mrp_ring_role *role);
int br_mrp_start_test(struct net_bridge *br, struct br_mrp_start_test *test);
int br_mrp_set_in_state(struct net_bridge *br, struct br_mrp_in_state *state);
int br_mrp_set_in_role(struct net_bridge *br, struct br_mrp_in_role *role);
int br_mrp_start_in_test(struct net_bridge *br,
struct br_mrp_start_in_test *test);
/* br_mrp_switchdev.c */
int br_mrp_switchdev_add(struct net_bridge *br, struct br_mrp *mrp);
int br_mrp_switchdev_del(struct net_bridge *br, struct br_mrp *mrp);
enum br_mrp_hw_support
br_mrp_switchdev_set_ring_role(struct net_bridge *br, struct br_mrp *mrp,
enum br_mrp_ring_role_type role);
int br_mrp_switchdev_set_ring_state(struct net_bridge *br, struct br_mrp *mrp,
enum br_mrp_ring_state_type state);
enum br_mrp_hw_support
br_mrp_switchdev_send_ring_test(struct net_bridge *br, struct br_mrp *mrp,
u32 interval, u8 max_miss, u32 period,
bool monitor);
int br_mrp_port_switchdev_set_state(struct net_bridge_port *p, u32 state);
int br_mrp_port_switchdev_set_role(struct net_bridge_port *p,
enum br_mrp_port_role_type role);
enum br_mrp_hw_support
br_mrp_switchdev_set_in_role(struct net_bridge *br, struct br_mrp *mrp,
u16 in_id, u32 ring_id,
enum br_mrp_in_role_type role);
int br_mrp_switchdev_set_in_state(struct net_bridge *br, struct br_mrp *mrp,
enum br_mrp_in_state_type state);
enum br_mrp_hw_support
br_mrp_switchdev_send_in_test(struct net_bridge *br, struct br_mrp *mrp,
u32 interval, u8 max_miss, u32 period);
/* br_mrp_netlink.c */
int br_mrp_ring_port_open(struct net_device *dev, u8 loc);
int br_mrp_in_port_open(struct net_device *dev, u8 loc);
/* MRP protocol data units */
struct br_mrp_tlv_hdr {
__u8 type;
__u8 length;
};
struct br_mrp_common_hdr {
__be16 seq_id;
__u8 domain[MRP_DOMAIN_UUID_LENGTH];
};
struct br_mrp_ring_test_hdr {
__be16 prio;
__u8 sa[ETH_ALEN];
__be16 port_role;
__be16 state;
__be16 transitions;
__be32 timestamp;
} __attribute__((__packed__));
struct br_mrp_in_test_hdr {
__be16 id;
__u8 sa[ETH_ALEN];
__be16 port_role;
__be16 state;
__be16 transitions;
__be32 timestamp;
} __attribute__((__packed__));
struct br_mrp_oui_hdr {
__u8 oui[MRP_OUI_LENGTH];
};
struct br_mrp_sub_option1_hdr {
__u8 type;
__u8 data[MRP_MANUFACTURE_DATA_LENGTH];
};
#endif /* _BR_PRIVATE_MRP_H */