Dr Andrew Scott G7VAV

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atmsvc.h
01: /* atmsvc.h - ATM signaling kernel-demon interface definitions */
02:  
03: /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
04:  
05: 
06: #ifndef _LINUX_ATMSVC_H
07: #define _LINUX_ATMSVC_H
08: 
09: #include <linux/atmapi.h>
10: #include <linux/atm.h>
11: #include <linux/atmioc.h>
12: 
13: 
14: #define ATMSIGD_CTRL _IO('a',ATMIOC_SPECIAL)
15:                                 /* become ATM signaling demon control socket */
16: 
17: enum atmsvc_msg_type { as_catch_null, as_bind, as_connect, as_accept, as_reject,
18:                        as_listen, as_okay, as_error, as_indicate, as_close,
19:                        as_itf_notify, as_modify, as_identify, as_terminate,
20:                        as_addparty, as_dropparty };
21: 
22: struct atmsvc_msg {
23:         enum atmsvc_msg_type type;
24:         atm_kptr_t vcc;
25:         atm_kptr_t listen_vcc;          /* indicate */
26:         int reply;                      /* for okay and close:             */
27:                                         /*   < 0: error before active      */
28:                                         /*        (sigd has discarded ctx) */
29:                                         /*   ==0: success                  */
30:                                         /*   > 0: error when active (still */
31:                                         /*        need to close)           */
32:         struct sockaddr_atmpvc pvc;     /* indicate, okay (connect) */
33:         struct sockaddr_atmsvc local;   /* local SVC address */
34:         struct atm_qos qos;             /* QOS parameters */
35:         struct atm_sap sap;             /* SAP */
36:         unsigned int session;           /* for p2pm */
37:         struct sockaddr_atmsvc svc;     /* SVC address */
38: } __ATM_API_ALIGN;
39: 
40: /*
41:  * Message contents: see ftp://icaftp.epfl.ch/pub/linux/atm/docs/isp-*.tar.gz
42:  */
43: 
44: /*
45:  * Some policy stuff for atmsigd and for net/atm/svc.c. Both have to agree on
46:  * what PCR is used to request bandwidth from the device driver. net/atm/svc.c
47:  * tries to do better than that, but only if there's no routing decision (i.e.
48:  * if signaling only uses one ATM interface).
49:  */
50: 
51: #define SELECT_TOP_PCR(tp) ((tp).pcr ? (tp).pcr : \
52:   (tp).max_pcr && (tp).max_pcr != ATM_MAX_PCR ? (tp).max_pcr : \
53:   (tp).min_pcr ? (tp).min_pcr : ATM_MAX_PCR)
54: 
55: #endif
56: 


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http://www.andrew-scott.uk/
Andrew Scott
http://www.andrew-scott.co.uk/