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
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NET_MRP_H
#define _NET_MRP_H
#define MRP_END_MARK 0x0
struct mrp_pdu_hdr {
u8 version;
};
struct mrp_msg_hdr {
u8 attrtype;
u8 attrlen;
};
struct mrp_vecattr_hdr {
__be16 lenflags;
unsigned char firstattrvalue[];
#define MRP_VECATTR_HDR_LEN_MASK cpu_to_be16(0x1FFF)
#define MRP_VECATTR_HDR_FLAG_LA cpu_to_be16(0x2000)
};
enum mrp_vecattr_event {
MRP_VECATTR_EVENT_NEW,
MRP_VECATTR_EVENT_JOIN_IN,
MRP_VECATTR_EVENT_IN,
MRP_VECATTR_EVENT_JOIN_MT,
MRP_VECATTR_EVENT_MT,
MRP_VECATTR_EVENT_LV,
__MRP_VECATTR_EVENT_MAX
};
struct mrp_skb_cb {
struct mrp_msg_hdr *mh;
struct mrp_vecattr_hdr *vah;
unsigned char attrvalue[];
};
static inline struct mrp_skb_cb *mrp_cb(struct sk_buff *skb)
{
BUILD_BUG_ON(sizeof(struct mrp_skb_cb) >
sizeof_field(struct sk_buff, cb));
return (struct mrp_skb_cb *)skb->cb;
}
enum mrp_applicant_state {
MRP_APPLICANT_INVALID,
MRP_APPLICANT_VO,
MRP_APPLICANT_VP,
MRP_APPLICANT_VN,
MRP_APPLICANT_AN,
MRP_APPLICANT_AA,
MRP_APPLICANT_QA,
MRP_APPLICANT_LA,
MRP_APPLICANT_AO,
MRP_APPLICANT_QO,
MRP_APPLICANT_AP,
MRP_APPLICANT_QP,
__MRP_APPLICANT_MAX
};
#define MRP_APPLICANT_MAX (__MRP_APPLICANT_MAX - 1)
enum mrp_event {
MRP_EVENT_NEW,
MRP_EVENT_JOIN,
MRP_EVENT_LV,
MRP_EVENT_TX,
MRP_EVENT_R_NEW,
MRP_EVENT_R_JOIN_IN,
MRP_EVENT_R_IN,
MRP_EVENT_R_JOIN_MT,
MRP_EVENT_R_MT,
MRP_EVENT_R_LV,
MRP_EVENT_R_LA,
MRP_EVENT_REDECLARE,
MRP_EVENT_PERIODIC,
__MRP_EVENT_MAX
};
#define MRP_EVENT_MAX (__MRP_EVENT_MAX - 1)
enum mrp_tx_action {
MRP_TX_ACTION_NONE,
MRP_TX_ACTION_S_NEW,
MRP_TX_ACTION_S_JOIN_IN,
MRP_TX_ACTION_S_JOIN_IN_OPTIONAL,
MRP_TX_ACTION_S_IN_OPTIONAL,
MRP_TX_ACTION_S_LV,
};
struct mrp_attr {
struct rb_node node;
enum mrp_applicant_state state;
u8 type;
u8 len;
unsigned char value[];
};
enum mrp_applications {
MRP_APPLICATION_MVRP,
__MRP_APPLICATION_MAX
};
#define MRP_APPLICATION_MAX (__MRP_APPLICATION_MAX - 1)
struct mrp_application {
enum mrp_applications type;
unsigned int maxattr;
struct packet_type pkttype;
unsigned char group_address[ETH_ALEN];
u8 version;
};
struct mrp_applicant {
struct mrp_application *app;
struct net_device *dev;
struct timer_list join_timer;
struct timer_list periodic_timer;
spinlock_t lock;
struct sk_buff_head queue;
struct sk_buff *pdu;
struct rb_root mad;
struct rcu_head rcu;
bool active;
};
struct mrp_port {
struct mrp_applicant __rcu *applicants[MRP_APPLICATION_MAX + 1];
struct rcu_head rcu;
};
int mrp_register_application(struct mrp_application *app);
void mrp_unregister_application(struct mrp_application *app);
int mrp_init_applicant(struct net_device *dev, struct mrp_application *app);
void mrp_uninit_applicant(struct net_device *dev, struct mrp_application *app);
int mrp_request_join(const struct net_device *dev,
const struct mrp_application *app,
const void *value, u8 len, u8 type);
void mrp_request_leave(const struct net_device *dev,
const struct mrp_application *app,
const void *value, u8 len, u8 type);
#endif /* _NET_MRP_H */
|
