include/net/llc_s_ev.h

0001 #ifndef LLC_S_EV_H
0002 #define LLC_S_EV_H
0003 /*
0004  * Copyright (c) 1997 by Procom Technology,Inc.
0005  *       2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
0006  *
0007  * This program can be redistributed or modified under the terms of the
0008  * GNU General Public License as published by the Free Software Foundation.
0009  * This program is distributed without any warranty or implied warranty
0010  * of merchantability or fitness for a particular purpose.
0011  *
0012  * See the GNU General Public License for more details.
0013  */
0014
0015 #include <linux/skbuff.h>
0016 #include <net/llc.h>
0017
0018 /* Defines SAP component events */
0019 /* Types of events (possible values in 'ev->type') */
0020 #define LLC_SAP_EV_TYPE_SIMPLE      1
0021 #define LLC_SAP_EV_TYPE_CONDITION   2
0022 #define LLC_SAP_EV_TYPE_PRIM        3
0023 #define LLC_SAP_EV_TYPE_PDU     4   /* command/response PDU */
0024 #define LLC_SAP_EV_TYPE_ACK_TMR     5
0025 #define LLC_SAP_EV_TYPE_RPT_STATUS  6
0026
0027 #define LLC_SAP_EV_ACTIVATION_REQ    1
0028 #define LLC_SAP_EV_RX_UI         2
0029 #define LLC_SAP_EV_UNITDATA_REQ      3
0030 #define LLC_SAP_EV_XID_REQ       4
0031 #define LLC_SAP_EV_RX_XID_C      5
0032 #define LLC_SAP_EV_RX_XID_R      6
0033 #define LLC_SAP_EV_TEST_REQ      7
0034 #define LLC_SAP_EV_RX_TEST_C         8
0035 #define LLC_SAP_EV_RX_TEST_R         9
0036 #define LLC_SAP_EV_DEACTIVATION_REQ 10
0037
0038 struct llc_sap_state_ev {
0039     u8      prim;
0040     u8      prim_type;
0041     u8      type;
0042     u8      reason;
0043     u8      ind_cfm_flag;
0044     struct llc_addr saddr;
0045     struct llc_addr daddr;
0046 };
0047
0048 static __inline__ struct llc_sap_state_ev *llc_sap_ev(struct sk_buff *skb)
0049 {
0050     return (struct llc_sap_state_ev *)skb->cb;
0051 }
0052
0053 struct llc_sap;
0054
0055 typedef int (*llc_sap_ev_t)(struct llc_sap *sap, struct sk_buff *skb);
0056
0057 int llc_sap_ev_activation_req(struct llc_sap *sap, struct sk_buff *skb);
0058 int llc_sap_ev_rx_ui(struct llc_sap *sap, struct sk_buff *skb);
0059 int llc_sap_ev_unitdata_req(struct llc_sap *sap, struct sk_buff *skb);
0060 int llc_sap_ev_xid_req(struct llc_sap *sap, struct sk_buff *skb);
0061 int llc_sap_ev_rx_xid_c(struct llc_sap *sap, struct sk_buff *skb);
0062 int llc_sap_ev_rx_xid_r(struct llc_sap *sap, struct sk_buff *skb);
0063 int llc_sap_ev_test_req(struct llc_sap *sap, struct sk_buff *skb);
0064 int llc_sap_ev_rx_test_c(struct llc_sap *sap, struct sk_buff *skb);
0065 int llc_sap_ev_rx_test_r(struct llc_sap *sap, struct sk_buff *skb);
0066 int llc_sap_ev_deactivation_req(struct llc_sap *sap, struct sk_buff *skb);
0067 #endif /* LLC_S_EV_H */