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| /* 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;
| };
|
| 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 */
|
|
