| 1 |
199 |
simons |
/*
|
| 2 |
|
|
* Copyright (C) 1996 Universidade de Lisboa
|
| 3 |
|
|
*
|
| 4 |
|
|
* Written by Pedro Roque Marques (roque@di.fc.ul.pt)
|
| 5 |
|
|
*
|
| 6 |
|
|
* This software may be used and distributed according to the terms of
|
| 7 |
|
|
* the GNU Public License, incorporated herein by reference.
|
| 8 |
|
|
*/
|
| 9 |
|
|
|
| 10 |
|
|
/*
|
| 11 |
|
|
* CAPI encode/decode prototypes and defines
|
| 12 |
|
|
*/
|
| 13 |
|
|
|
| 14 |
|
|
#ifndef CAPI_H
|
| 15 |
|
|
#define CAPI_H
|
| 16 |
|
|
|
| 17 |
|
|
|
| 18 |
|
|
#define REQ_CAUSE 0x01
|
| 19 |
|
|
#define REQ_DISPLAY 0x04
|
| 20 |
|
|
#define REQ_USER_TO_USER 0x08
|
| 21 |
|
|
|
| 22 |
|
|
#define AppInfoMask REQ_CAUSE|REQ_DISPLAY|REQ_USER_TO_USER
|
| 23 |
|
|
|
| 24 |
|
|
/* Connection Setup */
|
| 25 |
|
|
extern int capi_conn_req(const char * calledPN, struct sk_buff **buf,
|
| 26 |
|
|
int proto);
|
| 27 |
|
|
extern int capi_decode_conn_conf(struct pcbit_chan * chan, struct sk_buff *skb,
|
| 28 |
|
|
int *complete);
|
| 29 |
|
|
|
| 30 |
|
|
extern int capi_decode_conn_ind(struct pcbit_chan * chan, struct sk_buff *skb,
|
| 31 |
|
|
struct callb_data *info);
|
| 32 |
|
|
extern int capi_conn_resp(struct pcbit_chan* chan, struct sk_buff **skb);
|
| 33 |
|
|
|
| 34 |
|
|
extern int capi_conn_active_req(struct pcbit_chan* chan, struct sk_buff **skb);
|
| 35 |
|
|
extern int capi_decode_conn_actv_conf(struct pcbit_chan * chan,
|
| 36 |
|
|
struct sk_buff *skb);
|
| 37 |
|
|
|
| 38 |
|
|
extern int capi_decode_conn_actv_ind(struct pcbit_chan * chan,
|
| 39 |
|
|
struct sk_buff *skb);
|
| 40 |
|
|
extern int capi_conn_active_resp(struct pcbit_chan* chan,
|
| 41 |
|
|
struct sk_buff **skb);
|
| 42 |
|
|
|
| 43 |
|
|
/* Data */
|
| 44 |
|
|
extern int capi_select_proto_req(struct pcbit_chan *chan, struct sk_buff **skb,
|
| 45 |
|
|
int outgoing);
|
| 46 |
|
|
extern int capi_decode_sel_proto_conf(struct pcbit_chan *chan,
|
| 47 |
|
|
struct sk_buff *skb);
|
| 48 |
|
|
|
| 49 |
|
|
extern int capi_activate_transp_req(struct pcbit_chan *chan,
|
| 50 |
|
|
struct sk_buff **skb);
|
| 51 |
|
|
extern int capi_decode_actv_trans_conf(struct pcbit_chan *chan,
|
| 52 |
|
|
struct sk_buff *skb);
|
| 53 |
|
|
|
| 54 |
|
|
extern int capi_tdata_req(struct pcbit_chan* chan, struct sk_buff *skb);
|
| 55 |
|
|
extern int capi_tdata_resp(struct pcbit_chan *chan, struct sk_buff ** skb);
|
| 56 |
|
|
|
| 57 |
|
|
/* Connection Termination */
|
| 58 |
|
|
extern int capi_disc_req(ushort callref, struct sk_buff **skb, u_char cause);
|
| 59 |
|
|
extern int capi_decode_disc_conf(struct pcbit_chan *chan, struct sk_buff *skb);
|
| 60 |
|
|
|
| 61 |
|
|
extern int capi_decode_disc_ind(struct pcbit_chan *chan, struct sk_buff *skb);
|
| 62 |
|
|
extern int capi_disc_resp(struct pcbit_chan *chan, struct sk_buff **skb);
|
| 63 |
|
|
|
| 64 |
|
|
#ifdef DEBUG
|
| 65 |
|
|
extern int capi_decode_debug_188(u_char *hdr, ushort hdrlen);
|
| 66 |
|
|
#endif
|
| 67 |
|
|
|
| 68 |
|
|
extern __inline__
|
| 69 |
|
|
struct pcbit_chan *
|
| 70 |
|
|
capi_channel(struct pcbit_dev *dev, struct sk_buff *skb)
|
| 71 |
|
|
{
|
| 72 |
|
|
ushort callref;
|
| 73 |
|
|
|
| 74 |
|
|
callref = *((ushort*) skb->data);
|
| 75 |
|
|
skb_pull(skb, 2);
|
| 76 |
|
|
|
| 77 |
|
|
if (dev->b1->callref == callref)
|
| 78 |
|
|
return dev->b1;
|
| 79 |
|
|
else if (dev->b2->callref == callref)
|
| 80 |
|
|
return dev->b2;
|
| 81 |
|
|
|
| 82 |
|
|
return NULL;
|
| 83 |
|
|
}
|
| 84 |
|
|
|
| 85 |
|
|
#endif
|
| 86 |
|
|
|
| 87 |
|
|
|
| 88 |
|
|
|
| 89 |
|
|
|
| 90 |
|
|
|
| 91 |
|
|
|
