capi.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:2k
- /*
- * CAPI encode/decode prototypes and defines
- *
- * Copyright (C) 1996 Universidade de Lisboa
- *
- * Written by Pedro Roque Marques (roque@di.fc.ul.pt)
- *
- * This software may be used and distributed according to the terms of
- * the GNU General Public License, incorporated herein by reference.
- */
- #ifndef CAPI_H
- #define CAPI_H
- #define REQ_CAUSE 0x01
- #define REQ_DISPLAY 0x04
- #define REQ_USER_TO_USER 0x08
- #define AppInfoMask REQ_CAUSE|REQ_DISPLAY|REQ_USER_TO_USER
- /* Connection Setup */
- extern int capi_conn_req(const char * calledPN, struct sk_buff **buf,
- int proto);
- extern int capi_decode_conn_conf(struct pcbit_chan * chan, struct sk_buff *skb,
- int *complete);
- extern int capi_decode_conn_ind(struct pcbit_chan * chan, struct sk_buff *skb,
- struct callb_data *info);
- extern int capi_conn_resp(struct pcbit_chan* chan, struct sk_buff **skb);
- extern int capi_conn_active_req(struct pcbit_chan* chan, struct sk_buff **skb);
- extern int capi_decode_conn_actv_conf(struct pcbit_chan * chan,
- struct sk_buff *skb);
- extern int capi_decode_conn_actv_ind(struct pcbit_chan * chan,
- struct sk_buff *skb);
- extern int capi_conn_active_resp(struct pcbit_chan* chan,
- struct sk_buff **skb);
- /* Data */
- extern int capi_select_proto_req(struct pcbit_chan *chan, struct sk_buff **skb,
- int outgoing);
- extern int capi_decode_sel_proto_conf(struct pcbit_chan *chan,
- struct sk_buff *skb);
- extern int capi_activate_transp_req(struct pcbit_chan *chan,
- struct sk_buff **skb);
- extern int capi_decode_actv_trans_conf(struct pcbit_chan *chan,
- struct sk_buff *skb);
- extern int capi_tdata_req(struct pcbit_chan* chan, struct sk_buff *skb);
- extern int capi_tdata_resp(struct pcbit_chan *chan, struct sk_buff ** skb);
- /* Connection Termination */
- extern int capi_disc_req(ushort callref, struct sk_buff **skb, u_char cause);
- extern int capi_decode_disc_conf(struct pcbit_chan *chan, struct sk_buff *skb);
- extern int capi_decode_disc_ind(struct pcbit_chan *chan, struct sk_buff *skb);
- extern int capi_disc_resp(struct pcbit_chan *chan, struct sk_buff **skb);
- #ifdef DEBUG
- extern int capi_decode_debug_188(u_char *hdr, ushort hdrlen);
- #endif
- extern __inline__
- struct pcbit_chan *
- capi_channel(struct pcbit_dev *dev, struct sk_buff *skb)
- {
- ushort callref;
- callref = *((ushort*) skb->data);
- skb_pull(skb, 2);
- if (dev->b1->callref == callref)
- return dev->b1;
- else if (dev->b2->callref == callref)
- return dev->b2;
- return NULL;
- }
- #endif