projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * CAPI encode/decode prototypes and defines | |
| 3 | * | |
| 4 | * Copyright (C) 1996 Universidade de Lisboa | |
| 475be4d8 | 5 | * |
| 1da177e4 LT |
6 | * Written by Pedro Roque Marques (roque@di.fc.ul.pt) |
| 7 | * | |
| 475be4d8 | 8 | * This software may be used and distributed according to the terms of |
| 1da177e4 LT |
9 | * the GNU General Public License, incorporated herein by reference. |
| 10 | */ | |
| 11 | ||
| 12 | #ifndef CAPI_H | |
| 13 | #define CAPI_H | |
| 14 | ||
| 15 | ||
| 16 | #define REQ_CAUSE 0x01 | |
| 17 | #define REQ_DISPLAY 0x04 | |
| 475be4d8 | 18 | #define REQ_USER_TO_USER 0x08 |
| 1da177e4 | 19 | |
| 475be4d8 | 20 | #define AppInfoMask REQ_CAUSE | REQ_DISPLAY | REQ_USER_TO_USER |
| 1da177e4 LT |
21 | |
| 22 | /* Connection Setup */ | |
| 475be4d8 | 23 | extern int capi_conn_req(const char *calledPN, struct sk_buff **buf, |
| 1da177e4 | 24 | int proto); |
| 475be4d8 JP |
25 | extern int capi_decode_conn_conf(struct pcbit_chan *chan, struct sk_buff *skb, |
| 26 | int *complete); | |
| 1da177e4 | 27 | |
| 475be4d8 | 28 | extern int capi_decode_conn_ind(struct pcbit_chan *chan, struct sk_buff *skb, |
| 1da177e4 | 29 | struct callb_data *info); |
| 475be4d8 | 30 | extern int capi_conn_resp(struct pcbit_chan *chan, struct sk_buff **skb); |
| 1da177e4 | 31 | |
| 475be4d8 JP |
32 | extern int capi_conn_active_req(struct pcbit_chan *chan, struct sk_buff **skb); |
| 33 | extern int capi_decode_conn_actv_conf(struct pcbit_chan *chan, | |
| 1da177e4 LT |
34 | struct sk_buff *skb); |
| 35 | ||
| 475be4d8 | 36 | extern int capi_decode_conn_actv_ind(struct pcbit_chan *chan, |
| 1da177e4 | 37 | struct sk_buff *skb); |
| 475be4d8 | 38 | extern int capi_conn_active_resp(struct pcbit_chan *chan, |
| 1da177e4 LT |
39 | struct sk_buff **skb); |
| 40 | ||
| 41 | /* Data */ | |
| 42 | extern int capi_select_proto_req(struct pcbit_chan *chan, struct sk_buff **skb, | |
| 43 | int outgoing); | |
| 475be4d8 | 44 | extern int capi_decode_sel_proto_conf(struct pcbit_chan *chan, |
| 1da177e4 LT |
45 | struct sk_buff *skb); |
| 46 | ||
| 475be4d8 | 47 | extern int capi_activate_transp_req(struct pcbit_chan *chan, |
| 1da177e4 | 48 | struct sk_buff **skb); |
| 475be4d8 | 49 | extern int capi_decode_actv_trans_conf(struct pcbit_chan *chan, |
| 1da177e4 LT |
50 | struct sk_buff *skb); |
| 51 | ||
| 475be4d8 JP |
52 | extern int capi_tdata_req(struct pcbit_chan *chan, struct sk_buff *skb); |
| 53 | extern int capi_tdata_resp(struct pcbit_chan *chan, struct sk_buff **skb); | |
| 1da177e4 LT |
54 | |
| 55 | /* Connection Termination */ | |
| 56 | extern int capi_disc_req(ushort callref, struct sk_buff **skb, u_char cause); | |
| 1da177e4 LT |
57 | |
| 58 | extern int capi_decode_disc_ind(struct pcbit_chan *chan, struct sk_buff *skb); | |
| 59 | extern int capi_disc_resp(struct pcbit_chan *chan, struct sk_buff **skb); | |
| 60 | ||
| 61 | #ifdef DEBUG | |
| 62 | extern int capi_decode_debug_188(u_char *hdr, ushort hdrlen); | |
| 63 | #endif | |
| 64 | ||
| 475be4d8 | 65 | static inline struct pcbit_chan * |
| 1da177e4 LT |
66 | capi_channel(struct pcbit_dev *dev, struct sk_buff *skb) |
| 67 | { | |
| 68 | ushort callref; | |
| 69 | ||
| 475be4d8 | 70 | callref = *((ushort *)skb->data); |
| 1da177e4 LT |
71 | skb_pull(skb, 2); |
| 72 | ||
| 73 | if (dev->b1->callref == callref) | |
| 74 | return dev->b1; | |
| 75 | else if (dev->b2->callref == callref) | |
| 76 | return dev->b2; | |
| 77 | ||
| 78 | return NULL; | |
| 79 | } | |
| 80 | ||
| 81 | #endif |