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 */ 68