1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/netdevice.h>
6 #include <linux/skbuff.h>
7 #include <linux/types.h>
9 #define MRP_END_MARK 0x0
20 struct mrp_vecattr_hdr {
22 unsigned char firstattrvalue[];
23 #define MRP_VECATTR_HDR_LEN_MASK cpu_to_be16(0x1FFF)
24 #define MRP_VECATTR_HDR_FLAG_LA cpu_to_be16(0x2000)
27 enum mrp_vecattr_event {
28 MRP_VECATTR_EVENT_NEW,
29 MRP_VECATTR_EVENT_JOIN_IN,
31 MRP_VECATTR_EVENT_JOIN_MT,
34 __MRP_VECATTR_EVENT_MAX
38 struct mrp_msg_hdr *mh;
39 struct mrp_vecattr_hdr *vah;
40 unsigned char attrvalue[];
43 static inline struct mrp_skb_cb *mrp_cb(struct sk_buff *skb)
45 BUILD_BUG_ON(sizeof(struct mrp_skb_cb) >
46 sizeof_field(struct sk_buff, cb));
47 return (struct mrp_skb_cb *)skb->cb;
50 enum mrp_applicant_state {
51 MRP_APPLICANT_INVALID,
65 #define MRP_APPLICANT_MAX (__MRP_APPLICANT_MAX - 1)
83 #define MRP_EVENT_MAX (__MRP_EVENT_MAX - 1)
88 MRP_TX_ACTION_S_JOIN_IN,
89 MRP_TX_ACTION_S_JOIN_IN_OPTIONAL,
90 MRP_TX_ACTION_S_IN_OPTIONAL,
96 enum mrp_applicant_state state;
99 unsigned char value[];
102 enum mrp_applications {
103 MRP_APPLICATION_MVRP,
104 __MRP_APPLICATION_MAX
106 #define MRP_APPLICATION_MAX (__MRP_APPLICATION_MAX - 1)
108 struct mrp_application {
109 enum mrp_applications type;
110 unsigned int maxattr;
111 struct packet_type pkttype;
112 unsigned char group_address[ETH_ALEN];
116 struct mrp_applicant {
117 struct mrp_application *app;
118 struct net_device *dev;
119 struct timer_list join_timer;
120 struct timer_list periodic_timer;
123 struct sk_buff_head queue;
131 struct mrp_applicant __rcu *applicants[MRP_APPLICATION_MAX + 1];
135 int mrp_register_application(struct mrp_application *app);
136 void mrp_unregister_application(struct mrp_application *app);
138 int mrp_init_applicant(struct net_device *dev, struct mrp_application *app);
139 void mrp_uninit_applicant(struct net_device *dev, struct mrp_application *app);
141 int mrp_request_join(const struct net_device *dev,
142 const struct mrp_application *app,
143 const void *value, u8 len, u8 type);
144 void mrp_request_leave(const struct net_device *dev,
145 const struct mrp_application *app,
146 const void *value, u8 len, u8 type);
148 #endif /* _NET_MRP_H */