Eric Lee / smarc-fsl-linux-kernel

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include/net/mrp.h 2.99 KB
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febf018d2   David Ward   net/802: Implemen... 
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  #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) >
  		     FIELD_SIZEOF(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;
9fe34f5d9   Noel Burton-Krahn   mrp: add periodic... 
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  	struct timer_list	periodic_timer;
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  	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;
  };
a5be1eb64   Joe Perches   mrp.h: Remove ext... 
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  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);
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  #endif /* _NET_MRP_H */