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
llc_sap_ev(struct sk_buff * skb)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 int llc_sap_ev_activation_req(struct llc_sap *sap, struct sk_buff *skb);
57 int llc_sap_ev_rx_ui(struct llc_sap *sap, struct sk_buff *skb);
58 int llc_sap_ev_unitdata_req(struct llc_sap *sap, struct sk_buff *skb);
59 int llc_sap_ev_xid_req(struct llc_sap *sap, struct sk_buff *skb);
60 int llc_sap_ev_rx_xid_c(struct llc_sap *sap, struct sk_buff *skb);
61 int llc_sap_ev_rx_xid_r(struct llc_sap *sap, struct sk_buff *skb);
62 int llc_sap_ev_test_req(struct llc_sap *sap, struct sk_buff *skb);
63 int llc_sap_ev_rx_test_c(struct llc_sap *sap, struct sk_buff *skb);
64 int llc_sap_ev_rx_test_r(struct llc_sap *sap, struct sk_buff *skb);
65 int llc_sap_ev_deactivation_req(struct llc_sap *sap, struct sk_buff *skb);
66 #endif /* LLC_S_EV_H */
67