| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * CAPI encode/decode prototypes and defines |
| 3 | * |
| 4 | * Copyright (C) 1996 Universidade de Lisboa |
| 5 | * |
| 6 | * Written by Pedro Roque Marques (roque@di.fc.ul.pt) |
| 7 | * |
| 8 | * This software may be used and distributed according to the terms of |
| 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 |
| 18 | #define REQ_USER_TO_USER 0x08 |
| 19 | |
| 20 | #define AppInfoMask REQ_CAUSE|REQ_DISPLAY|REQ_USER_TO_USER |
| 21 | |
| 22 | /* Connection Setup */ |
| 23 | extern int capi_conn_req(const char * calledPN, struct sk_buff **buf, |
| 24 | int proto); |
| 25 | extern int capi_decode_conn_conf(struct pcbit_chan * chan, struct sk_buff *skb, |
| 26 | int *complete); |
| 27 | |
| 28 | extern int capi_decode_conn_ind(struct pcbit_chan * chan, struct sk_buff *skb, |
| 29 | struct callb_data *info); |
| 30 | extern int capi_conn_resp(struct pcbit_chan* chan, struct sk_buff **skb); |
| 31 | |
| 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, |
| 34 | struct sk_buff *skb); |
| 35 | |
| 36 | extern int capi_decode_conn_actv_ind(struct pcbit_chan * chan, |
| 37 | struct sk_buff *skb); |
| 38 | extern int capi_conn_active_resp(struct pcbit_chan* chan, |
| 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); |
| 44 | extern int capi_decode_sel_proto_conf(struct pcbit_chan *chan, |
| 45 | struct sk_buff *skb); |
| 46 | |
| 47 | extern int capi_activate_transp_req(struct pcbit_chan *chan, |
| 48 | struct sk_buff **skb); |
| 49 | extern int capi_decode_actv_trans_conf(struct pcbit_chan *chan, |
| 50 | struct sk_buff *skb); |
| 51 | |
| 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); |
| 54 | |
| 55 | /* Connection Termination */ |
| 56 | extern int capi_disc_req(ushort callref, struct sk_buff **skb, u_char cause); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 65 | static inline struct pcbit_chan * |
| 66 | capi_channel(struct pcbit_dev *dev, struct sk_buff *skb) |
| 67 | { |
| 68 | ushort callref; |
| 69 | |
| 70 | callref = *((ushort*) skb->data); |
| 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 |
| 82 | |
| 83 | |
| 84 | |
| 85 | |
| 86 | |
| 87 | |