]>
Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
febf018d DW |
2 | #ifndef _NET_MRP_H |
3 | #define _NET_MRP_H | |
4 | ||
5 | #define MRP_END_MARK 0x0 | |
6 | ||
7 | struct mrp_pdu_hdr { | |
8 | u8 version; | |
9 | }; | |
10 | ||
11 | struct mrp_msg_hdr { | |
12 | u8 attrtype; | |
13 | u8 attrlen; | |
14 | }; | |
15 | ||
16 | struct mrp_vecattr_hdr { | |
17 | __be16 lenflags; | |
18 | unsigned char firstattrvalue[]; | |
19 | #define MRP_VECATTR_HDR_LEN_MASK cpu_to_be16(0x1FFF) | |
20 | #define MRP_VECATTR_HDR_FLAG_LA cpu_to_be16(0x2000) | |
21 | }; | |
22 | ||
23 | enum mrp_vecattr_event { | |
24 | MRP_VECATTR_EVENT_NEW, | |
25 | MRP_VECATTR_EVENT_JOIN_IN, | |
26 | MRP_VECATTR_EVENT_IN, | |
27 | MRP_VECATTR_EVENT_JOIN_MT, | |
28 | MRP_VECATTR_EVENT_MT, | |
29 | MRP_VECATTR_EVENT_LV, | |
30 | __MRP_VECATTR_EVENT_MAX | |
31 | }; | |
32 | ||
33 | struct mrp_skb_cb { | |
34 | struct mrp_msg_hdr *mh; | |
35 | struct mrp_vecattr_hdr *vah; | |
36 | unsigned char attrvalue[]; | |
37 | }; | |
38 | ||
39 | static inline struct mrp_skb_cb *mrp_cb(struct sk_buff *skb) | |
40 | { | |
41 | BUILD_BUG_ON(sizeof(struct mrp_skb_cb) > | |
c593642c | 42 | sizeof_field(struct sk_buff, cb)); |
febf018d DW |
43 | return (struct mrp_skb_cb *)skb->cb; |
44 | } | |
45 | ||
46 | enum mrp_applicant_state { | |
47 | MRP_APPLICANT_INVALID, | |
48 | MRP_APPLICANT_VO, | |
49 | MRP_APPLICANT_VP, | |
50 | MRP_APPLICANT_VN, | |
51 | MRP_APPLICANT_AN, | |
52 | MRP_APPLICANT_AA, | |
53 | MRP_APPLICANT_QA, | |
54 | MRP_APPLICANT_LA, | |
55 | MRP_APPLICANT_AO, | |
56 | MRP_APPLICANT_QO, | |
57 | MRP_APPLICANT_AP, | |
58 | MRP_APPLICANT_QP, | |
59 | __MRP_APPLICANT_MAX | |
60 | }; | |
61 | #define MRP_APPLICANT_MAX (__MRP_APPLICANT_MAX - 1) | |
62 | ||
63 | enum mrp_event { | |
64 | MRP_EVENT_NEW, | |
65 | MRP_EVENT_JOIN, | |
66 | MRP_EVENT_LV, | |
67 | MRP_EVENT_TX, | |
68 | MRP_EVENT_R_NEW, | |
69 | MRP_EVENT_R_JOIN_IN, | |
70 | MRP_EVENT_R_IN, | |
71 | MRP_EVENT_R_JOIN_MT, | |
72 | MRP_EVENT_R_MT, | |
73 | MRP_EVENT_R_LV, | |
74 | MRP_EVENT_R_LA, | |
75 | MRP_EVENT_REDECLARE, | |
76 | MRP_EVENT_PERIODIC, | |
77 | __MRP_EVENT_MAX | |
78 | }; | |
79 | #define MRP_EVENT_MAX (__MRP_EVENT_MAX - 1) | |
80 | ||
81 | enum mrp_tx_action { | |
82 | MRP_TX_ACTION_NONE, | |
83 | MRP_TX_ACTION_S_NEW, | |
84 | MRP_TX_ACTION_S_JOIN_IN, | |
85 | MRP_TX_ACTION_S_JOIN_IN_OPTIONAL, | |
86 | MRP_TX_ACTION_S_IN_OPTIONAL, | |
87 | MRP_TX_ACTION_S_LV, | |
88 | }; | |
89 | ||
90 | struct mrp_attr { | |
91 | struct rb_node node; | |
92 | enum mrp_applicant_state state; | |
93 | u8 type; | |
94 | u8 len; | |
95 | unsigned char value[]; | |
96 | }; | |
97 | ||
98 | enum mrp_applications { | |
99 | MRP_APPLICATION_MVRP, | |
100 | __MRP_APPLICATION_MAX | |
101 | }; | |
102 | #define MRP_APPLICATION_MAX (__MRP_APPLICATION_MAX - 1) | |
103 | ||
104 | struct mrp_application { | |
105 | enum mrp_applications type; | |
106 | unsigned int maxattr; | |
107 | struct packet_type pkttype; | |
108 | unsigned char group_address[ETH_ALEN]; | |
109 | u8 version; | |
110 | }; | |
111 | ||
112 | struct mrp_applicant { | |
113 | struct mrp_application *app; | |
114 | struct net_device *dev; | |
115 | struct timer_list join_timer; | |
9fe34f5d | 116 | struct timer_list periodic_timer; |
febf018d DW |
117 | |
118 | spinlock_t lock; | |
119 | struct sk_buff_head queue; | |
120 | struct sk_buff *pdu; | |
121 | struct rb_root mad; | |
122 | struct rcu_head rcu; | |
123 | }; | |
124 | ||
125 | struct mrp_port { | |
126 | struct mrp_applicant __rcu *applicants[MRP_APPLICATION_MAX + 1]; | |
127 | struct rcu_head rcu; | |
128 | }; | |
129 | ||
a5be1eb6 JP |
130 | int mrp_register_application(struct mrp_application *app); |
131 | void mrp_unregister_application(struct mrp_application *app); | |
132 | ||
133 | int mrp_init_applicant(struct net_device *dev, struct mrp_application *app); | |
134 | void mrp_uninit_applicant(struct net_device *dev, struct mrp_application *app); | |
135 | ||
136 | int mrp_request_join(const struct net_device *dev, | |
137 | const struct mrp_application *app, | |
138 | const void *value, u8 len, u8 type); | |
139 | void mrp_request_leave(const struct net_device *dev, | |
140 | const struct mrp_application *app, | |
141 | const void *value, u8 len, u8 type); | |
febf018d DW |
142 | |
143 | #endif /* _NET_MRP_H */ |