6b13f685e
 김민수
BSP 최초 추가
|
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
|
#ifndef _NET_GARP_H
#define _NET_GARP_H
#include <net/stp.h>
#define GARP_PROTOCOL_ID 0x1
#define GARP_END_MARK 0x0
struct garp_pdu_hdr {
__be16 protocol;
};
struct garp_msg_hdr {
u8 attrtype;
};
enum garp_attr_event {
GARP_LEAVE_ALL,
GARP_JOIN_EMPTY,
GARP_JOIN_IN,
GARP_LEAVE_EMPTY,
GARP_LEAVE_IN,
GARP_EMPTY,
};
struct garp_attr_hdr {
u8 len;
u8 event;
u8 data[];
};
struct garp_skb_cb {
u8 cur_type;
};
static inline struct garp_skb_cb *garp_cb(struct sk_buff *skb)
{
BUILD_BUG_ON(sizeof(struct garp_skb_cb) >
FIELD_SIZEOF(struct sk_buff, cb));
return (struct garp_skb_cb *)skb->cb;
}
enum garp_applicant_state {
GARP_APPLICANT_INVALID,
GARP_APPLICANT_VA,
GARP_APPLICANT_AA,
GARP_APPLICANT_QA,
GARP_APPLICANT_LA,
GARP_APPLICANT_VP,
GARP_APPLICANT_AP,
GARP_APPLICANT_QP,
GARP_APPLICANT_VO,
GARP_APPLICANT_AO,
GARP_APPLICANT_QO,
__GARP_APPLICANT_MAX
};
#define GARP_APPLICANT_MAX (__GARP_APPLICANT_MAX - 1)
enum garp_event {
GARP_EVENT_REQ_JOIN,
GARP_EVENT_REQ_LEAVE,
GARP_EVENT_R_JOIN_IN,
GARP_EVENT_R_JOIN_EMPTY,
GARP_EVENT_R_EMPTY,
GARP_EVENT_R_LEAVE_IN,
GARP_EVENT_R_LEAVE_EMPTY,
GARP_EVENT_TRANSMIT_PDU,
__GARP_EVENT_MAX
};
#define GARP_EVENT_MAX (__GARP_EVENT_MAX - 1)
enum garp_action {
GARP_ACTION_NONE,
GARP_ACTION_S_JOIN_IN,
GARP_ACTION_S_LEAVE_EMPTY,
};
struct garp_attr {
struct rb_node node;
enum garp_applicant_state state;
u8 type;
u8 dlen;
unsigned char data[];
};
enum garp_applications {
GARP_APPLICATION_GVRP,
__GARP_APPLICATION_MAX
};
#define GARP_APPLICATION_MAX (__GARP_APPLICATION_MAX - 1)
struct garp_application {
enum garp_applications type;
unsigned int maxattr;
struct stp_proto proto;
};
struct garp_applicant {
struct garp_application *app;
struct net_device *dev;
struct timer_list join_timer;
spinlock_t lock;
struct sk_buff_head queue;
struct sk_buff *pdu;
struct rb_root gid;
struct rcu_head rcu;
};
struct garp_port {
struct garp_applicant __rcu *applicants[GARP_APPLICATION_MAX + 1];
struct rcu_head rcu;
};
int garp_register_application(struct garp_application *app);
void garp_unregister_application(struct garp_application *app);
int garp_init_applicant(struct net_device *dev, struct garp_application *app);
void garp_uninit_applicant(struct net_device *dev,
struct garp_application *app);
int garp_request_join(const struct net_device *dev,
const struct garp_application *app, const void *data,
u8 len, u8 type);
void garp_request_leave(const struct net_device *dev,
const struct garp_application *app,
const void *data, u8 len, u8 type);
#endif /* _NET_GARP_H */
|