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febf018d DW |
1 | #ifndef _NET_MRP_H |
2 | #define _NET_MRP_H | |
3 | ||
4 | #define MRP_END_MARK 0x0 | |
5 | ||
6 | struct mrp_pdu_hdr { | |
7 | u8 version; | |
8 | }; | |
9 | ||
10 | struct mrp_msg_hdr { | |
11 | u8 attrtype; | |
12 | u8 attrlen; | |
13 | }; | |
14 | ||
15 | struct mrp_vecattr_hdr { | |
16 | __be16 lenflags; | |
17 | unsigned char firstattrvalue[]; | |
18 | #define MRP_VECATTR_HDR_LEN_MASK cpu_to_be16(0x1FFF) | |
19 | #define MRP_VECATTR_HDR_FLAG_LA cpu_to_be16(0x2000) | |
20 | }; | |
21 | ||
22 | enum mrp_vecattr_event { | |
23 | MRP_VECATTR_EVENT_NEW, | |
24 | MRP_VECATTR_EVENT_JOIN_IN, | |
25 | MRP_VECATTR_EVENT_IN, | |
26 | MRP_VECATTR_EVENT_JOIN_MT, | |
27 | MRP_VECATTR_EVENT_MT, | |
28 | MRP_VECATTR_EVENT_LV, | |
29 | __MRP_VECATTR_EVENT_MAX | |
30 | }; | |
31 | ||
32 | struct mrp_skb_cb { | |
33 | struct mrp_msg_hdr *mh; | |
34 | struct mrp_vecattr_hdr *vah; | |
35 | unsigned char attrvalue[]; | |
36 | }; | |
37 | ||
38 | static inline struct mrp_skb_cb *mrp_cb(struct sk_buff *skb) | |
39 | { | |
40 | BUILD_BUG_ON(sizeof(struct mrp_skb_cb) > | |
41 | FIELD_SIZEOF(struct sk_buff, cb)); | |
42 | return (struct mrp_skb_cb *)skb->cb; | |
43 | } | |
44 | ||
45 | enum mrp_applicant_state { | |
46 | MRP_APPLICANT_INVALID, | |
47 | MRP_APPLICANT_VO, | |
48 | MRP_APPLICANT_VP, | |
49 | MRP_APPLICANT_VN, | |
50 | MRP_APPLICANT_AN, | |
51 | MRP_APPLICANT_AA, | |
52 | MRP_APPLICANT_QA, | |
53 | MRP_APPLICANT_LA, | |
54 | MRP_APPLICANT_AO, | |
55 | MRP_APPLICANT_QO, | |
56 | MRP_APPLICANT_AP, | |
57 | MRP_APPLICANT_QP, | |
58 | __MRP_APPLICANT_MAX | |
59 | }; | |
60 | #define MRP_APPLICANT_MAX (__MRP_APPLICANT_MAX - 1) | |
61 | ||
62 | enum mrp_event { | |
63 | MRP_EVENT_NEW, | |
64 | MRP_EVENT_JOIN, | |
65 | MRP_EVENT_LV, | |
66 | MRP_EVENT_TX, | |
67 | MRP_EVENT_R_NEW, | |
68 | MRP_EVENT_R_JOIN_IN, | |
69 | MRP_EVENT_R_IN, | |
70 | MRP_EVENT_R_JOIN_MT, | |
71 | MRP_EVENT_R_MT, | |
72 | MRP_EVENT_R_LV, | |
73 | MRP_EVENT_R_LA, | |
74 | MRP_EVENT_REDECLARE, | |
75 | MRP_EVENT_PERIODIC, | |
76 | __MRP_EVENT_MAX | |
77 | }; | |
78 | #define MRP_EVENT_MAX (__MRP_EVENT_MAX - 1) | |
79 | ||
80 | enum mrp_tx_action { | |
81 | MRP_TX_ACTION_NONE, | |
82 | MRP_TX_ACTION_S_NEW, | |
83 | MRP_TX_ACTION_S_JOIN_IN, | |
84 | MRP_TX_ACTION_S_JOIN_IN_OPTIONAL, | |
85 | MRP_TX_ACTION_S_IN_OPTIONAL, | |
86 | MRP_TX_ACTION_S_LV, | |
87 | }; | |
88 | ||
89 | struct mrp_attr { | |
90 | struct rb_node node; | |
91 | enum mrp_applicant_state state; | |
92 | u8 type; | |
93 | u8 len; | |
94 | unsigned char value[]; | |
95 | }; | |
96 | ||
97 | enum mrp_applications { | |
98 | MRP_APPLICATION_MVRP, | |
99 | __MRP_APPLICATION_MAX | |
100 | }; | |
101 | #define MRP_APPLICATION_MAX (__MRP_APPLICATION_MAX - 1) | |
102 | ||
103 | struct mrp_application { | |
104 | enum mrp_applications type; | |
105 | unsigned int maxattr; | |
106 | struct packet_type pkttype; | |
107 | unsigned char group_address[ETH_ALEN]; | |
108 | u8 version; | |
109 | }; | |
110 | ||
111 | struct mrp_applicant { | |
112 | struct mrp_application *app; | |
113 | struct net_device *dev; | |
114 | struct timer_list join_timer; | |
9fe34f5d | 115 | struct timer_list periodic_timer; |
febf018d DW |
116 | |
117 | spinlock_t lock; | |
118 | struct sk_buff_head queue; | |
119 | struct sk_buff *pdu; | |
120 | struct rb_root mad; | |
121 | struct rcu_head rcu; | |
122 | }; | |
123 | ||
124 | struct mrp_port { | |
125 | struct mrp_applicant __rcu *applicants[MRP_APPLICATION_MAX + 1]; | |
126 | struct rcu_head rcu; | |
127 | }; | |
128 | ||
a5be1eb6 JP |
129 | int mrp_register_application(struct mrp_application *app); |
130 | void mrp_unregister_application(struct mrp_application *app); | |
131 | ||
132 | int mrp_init_applicant(struct net_device *dev, struct mrp_application *app); | |
133 | void mrp_uninit_applicant(struct net_device *dev, struct mrp_application *app); | |
134 | ||
135 | int mrp_request_join(const struct net_device *dev, | |
136 | const struct mrp_application *app, | |
137 | const void *value, u8 len, u8 type); | |
138 | void mrp_request_leave(const struct net_device *dev, | |
139 | const struct mrp_application *app, | |
140 | const void *value, u8 len, u8 type); | |
febf018d DW |
141 | |
142 | #endif /* _NET_MRP_H */ |