include/net/llc_s_ev.h

   1 #ifndef LLC_S_EV_H
   2 #define LLC_S_EV_H
   3 /*
   4  * Copyright (c) 1997 by Procom Technology,Inc.
   5  *               2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
   6  *
   7  * This program can be redistributed or modified under the terms of the
   8  * GNU General Public License as published by the Free Software Foundation.
   9  * This program is distributed without any warranty or implied warranty
  10  * of merchantability or fitness for a particular purpose.
  11  *
  12  * See the GNU General Public License for more details.
  13  */
  14
  15 #include <linux/skbuff.h>
  16
  17 /* Defines SAP component events */
  18 /* Types of events (possible values in 'ev->type') */
  19 #define LLC_SAP_EV_TYPE_SIMPLE          1
  20 #define LLC_SAP_EV_TYPE_CONDITION       2
  21 #define LLC_SAP_EV_TYPE_PRIM            3
  22 #define LLC_SAP_EV_TYPE_PDU             4   /* command/response PDU */
  23 #define LLC_SAP_EV_TYPE_ACK_TMR         5
  24 #define LLC_SAP_EV_TYPE_RPT_STATUS      6
  25
  26 #define LLC_SAP_EV_ACTIVATION_REQ        1
  27 #define LLC_SAP_EV_RX_UI                 2
  28 #define LLC_SAP_EV_UNITDATA_REQ          3
  29 #define LLC_SAP_EV_XID_REQ               4
  30 #define LLC_SAP_EV_RX_XID_C              5
  31 #define LLC_SAP_EV_RX_XID_R              6
  32 #define LLC_SAP_EV_TEST_REQ              7
  33 #define LLC_SAP_EV_RX_TEST_C             8
  34 #define LLC_SAP_EV_RX_TEST_R             9
  35 #define LLC_SAP_EV_DEACTIVATION_REQ     10
  36
  37 struct llc_sap_state_ev {
  38         u8              prim;
  39         u8              prim_type;
  40         u8              type;
  41         u8              reason;
  42         u8              ind_cfm_flag;
  43         struct llc_addr saddr;
  44         struct llc_addr daddr;
  45 };
  46
  47 static __inline__ struct llc_sap_state_ev *llc_sap_ev(struct sk_buff *skb)
  48 {
  49         return (struct llc_sap_state_ev *)skb->cb;
  50 }
  51
  52 struct llc_sap;
  53
  54 typedef int (*llc_sap_ev_t)(struct llc_sap *sap, struct sk_buff *skb);
  55
  56 extern int llc_sap_ev_activation_req(struct llc_sap *sap, struct sk_buff *skb);
  57 extern int llc_sap_ev_rx_ui(struct llc_sap *sap, struct sk_buff *skb);
  58 extern int llc_sap_ev_unitdata_req(struct llc_sap *sap, struct sk_buff *skb);
  59 extern int llc_sap_ev_xid_req(struct llc_sap *sap, struct sk_buff *skb);
  60 extern int llc_sap_ev_rx_xid_c(struct llc_sap *sap, struct sk_buff *skb);
  61 extern int llc_sap_ev_rx_xid_r(struct llc_sap *sap, struct sk_buff *skb);
  62 extern int llc_sap_ev_test_req(struct llc_sap *sap, struct sk_buff *skb);
  63 extern int llc_sap_ev_rx_test_c(struct llc_sap *sap, struct sk_buff *skb);
  64 extern int llc_sap_ev_rx_test_r(struct llc_sap *sap, struct sk_buff *skb);
  65 extern int llc_sap_ev_deactivation_req(struct llc_sap *sap,
  66                                        struct sk_buff *skb);
  67 #endif /* LLC_S_EV_H */