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kernel/linux-rt-4.4.41/include/net/llc_s_ev.h 2.2 KB
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  #ifndef LLC_S_EV_H
  #define LLC_S_EV_H
  /*
   * Copyright (c) 1997 by Procom Technology,Inc.
   * 		 2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
   *
   * This program can be redistributed or modified under the terms of the
   * GNU General Public License as published by the Free Software Foundation.
   * This program is distributed without any warranty or implied warranty
   * of merchantability or fitness for a particular purpose.
   *
   * See the GNU General Public License for more details.
   */
  
  #include <linux/skbuff.h>
  
  /* Defines SAP component events */
  /* Types of events (possible values in 'ev->type') */
  #define LLC_SAP_EV_TYPE_SIMPLE		1
  #define LLC_SAP_EV_TYPE_CONDITION	2
  #define LLC_SAP_EV_TYPE_PRIM		3
  #define LLC_SAP_EV_TYPE_PDU		4   /* command/response PDU */
  #define LLC_SAP_EV_TYPE_ACK_TMR		5
  #define LLC_SAP_EV_TYPE_RPT_STATUS	6
  
  #define LLC_SAP_EV_ACTIVATION_REQ	 1
  #define LLC_SAP_EV_RX_UI		 2
  #define LLC_SAP_EV_UNITDATA_REQ		 3
  #define LLC_SAP_EV_XID_REQ		 4
  #define LLC_SAP_EV_RX_XID_C		 5
  #define LLC_SAP_EV_RX_XID_R		 6
  #define LLC_SAP_EV_TEST_REQ		 7
  #define LLC_SAP_EV_RX_TEST_C		 8
  #define LLC_SAP_EV_RX_TEST_R		 9
  #define LLC_SAP_EV_DEACTIVATION_REQ	10
  
  struct llc_sap_state_ev {
  	u8		prim;
  	u8		prim_type;
  	u8		type;
  	u8		reason;
  	u8		ind_cfm_flag;
  	struct llc_addr saddr;
  	struct llc_addr daddr;
  };
  
  static __inline__ struct llc_sap_state_ev *llc_sap_ev(struct sk_buff *skb)
  {
  	return (struct llc_sap_state_ev *)skb->cb;
  }
  
  struct llc_sap;
  
  typedef int (*llc_sap_ev_t)(struct llc_sap *sap, struct sk_buff *skb);
  
  int llc_sap_ev_activation_req(struct llc_sap *sap, struct sk_buff *skb);
  int llc_sap_ev_rx_ui(struct llc_sap *sap, struct sk_buff *skb);
  int llc_sap_ev_unitdata_req(struct llc_sap *sap, struct sk_buff *skb);
  int llc_sap_ev_xid_req(struct llc_sap *sap, struct sk_buff *skb);
  int llc_sap_ev_rx_xid_c(struct llc_sap *sap, struct sk_buff *skb);
  int llc_sap_ev_rx_xid_r(struct llc_sap *sap, struct sk_buff *skb);
  int llc_sap_ev_test_req(struct llc_sap *sap, struct sk_buff *skb);
  int llc_sap_ev_rx_test_c(struct llc_sap *sap, struct sk_buff *skb);
  int llc_sap_ev_rx_test_r(struct llc_sap *sap, struct sk_buff *skb);
  int llc_sap_ev_deactivation_req(struct llc_sap *sap, struct sk_buff *skb);
  #endif /* LLC_S_EV_H */