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143 lines
3.0 KiB
143 lines
3.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _NET_MRP_H |
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#define _NET_MRP_H |
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#define MRP_END_MARK 0x0 |
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struct mrp_pdu_hdr { |
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u8 version; |
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}; |
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struct mrp_msg_hdr { |
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u8 attrtype; |
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u8 attrlen; |
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}; |
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struct mrp_vecattr_hdr { |
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__be16 lenflags; |
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unsigned char firstattrvalue[]; |
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#define MRP_VECATTR_HDR_LEN_MASK cpu_to_be16(0x1FFF) |
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#define MRP_VECATTR_HDR_FLAG_LA cpu_to_be16(0x2000) |
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}; |
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enum mrp_vecattr_event { |
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MRP_VECATTR_EVENT_NEW, |
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MRP_VECATTR_EVENT_JOIN_IN, |
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MRP_VECATTR_EVENT_IN, |
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MRP_VECATTR_EVENT_JOIN_MT, |
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MRP_VECATTR_EVENT_MT, |
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MRP_VECATTR_EVENT_LV, |
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__MRP_VECATTR_EVENT_MAX |
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}; |
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struct mrp_skb_cb { |
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struct mrp_msg_hdr *mh; |
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struct mrp_vecattr_hdr *vah; |
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unsigned char attrvalue[]; |
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}; |
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static inline struct mrp_skb_cb *mrp_cb(struct sk_buff *skb) |
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{ |
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BUILD_BUG_ON(sizeof(struct mrp_skb_cb) > |
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sizeof_field(struct sk_buff, cb)); |
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return (struct mrp_skb_cb *)skb->cb; |
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} |
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enum mrp_applicant_state { |
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MRP_APPLICANT_INVALID, |
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MRP_APPLICANT_VO, |
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MRP_APPLICANT_VP, |
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MRP_APPLICANT_VN, |
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MRP_APPLICANT_AN, |
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MRP_APPLICANT_AA, |
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MRP_APPLICANT_QA, |
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MRP_APPLICANT_LA, |
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MRP_APPLICANT_AO, |
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MRP_APPLICANT_QO, |
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MRP_APPLICANT_AP, |
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MRP_APPLICANT_QP, |
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__MRP_APPLICANT_MAX |
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}; |
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#define MRP_APPLICANT_MAX (__MRP_APPLICANT_MAX - 1) |
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enum mrp_event { |
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MRP_EVENT_NEW, |
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MRP_EVENT_JOIN, |
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MRP_EVENT_LV, |
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MRP_EVENT_TX, |
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MRP_EVENT_R_NEW, |
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MRP_EVENT_R_JOIN_IN, |
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MRP_EVENT_R_IN, |
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MRP_EVENT_R_JOIN_MT, |
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MRP_EVENT_R_MT, |
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MRP_EVENT_R_LV, |
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MRP_EVENT_R_LA, |
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MRP_EVENT_REDECLARE, |
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MRP_EVENT_PERIODIC, |
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__MRP_EVENT_MAX |
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}; |
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#define MRP_EVENT_MAX (__MRP_EVENT_MAX - 1) |
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enum mrp_tx_action { |
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MRP_TX_ACTION_NONE, |
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MRP_TX_ACTION_S_NEW, |
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MRP_TX_ACTION_S_JOIN_IN, |
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MRP_TX_ACTION_S_JOIN_IN_OPTIONAL, |
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MRP_TX_ACTION_S_IN_OPTIONAL, |
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MRP_TX_ACTION_S_LV, |
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}; |
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struct mrp_attr { |
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struct rb_node node; |
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enum mrp_applicant_state state; |
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u8 type; |
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u8 len; |
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unsigned char value[]; |
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}; |
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enum mrp_applications { |
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MRP_APPLICATION_MVRP, |
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__MRP_APPLICATION_MAX |
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}; |
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#define MRP_APPLICATION_MAX (__MRP_APPLICATION_MAX - 1) |
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struct mrp_application { |
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enum mrp_applications type; |
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unsigned int maxattr; |
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struct packet_type pkttype; |
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unsigned char group_address[ETH_ALEN]; |
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u8 version; |
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}; |
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struct mrp_applicant { |
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struct mrp_application *app; |
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struct net_device *dev; |
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struct timer_list join_timer; |
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struct timer_list periodic_timer; |
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spinlock_t lock; |
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struct sk_buff_head queue; |
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struct sk_buff *pdu; |
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struct rb_root mad; |
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struct rcu_head rcu; |
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}; |
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struct mrp_port { |
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struct mrp_applicant __rcu *applicants[MRP_APPLICATION_MAX + 1]; |
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struct rcu_head rcu; |
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}; |
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int mrp_register_application(struct mrp_application *app); |
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void mrp_unregister_application(struct mrp_application *app); |
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int mrp_init_applicant(struct net_device *dev, struct mrp_application *app); |
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void mrp_uninit_applicant(struct net_device *dev, struct mrp_application *app); |
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int mrp_request_join(const struct net_device *dev, |
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const struct mrp_application *app, |
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const void *value, u8 len, u8 type); |
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void mrp_request_leave(const struct net_device *dev, |
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const struct mrp_application *app, |
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const void *value, u8 len, u8 type); |
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#endif /* _NET_MRP_H */
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