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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
1da177e4 LT |
2 | /* atmsvc.h - ATM signaling kernel-demon interface definitions */ |
3 | ||
4 | /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */ | |
5 | ||
6 | ||
7 | #ifndef _LINUX_ATMSVC_H | |
8 | #define _LINUX_ATMSVC_H | |
9 | ||
10 | #include <linux/atmapi.h> | |
11 | #include <linux/atm.h> | |
12 | #include <linux/atmioc.h> | |
13 | ||
14 | ||
15 | #define ATMSIGD_CTRL _IO('a',ATMIOC_SPECIAL) | |
16 | /* become ATM signaling demon control socket */ | |
17 | ||
18 | enum atmsvc_msg_type { as_catch_null, as_bind, as_connect, as_accept, as_reject, | |
19 | as_listen, as_okay, as_error, as_indicate, as_close, | |
20 | as_itf_notify, as_modify, as_identify, as_terminate, | |
21 | as_addparty, as_dropparty }; | |
22 | ||
23 | struct atmsvc_msg { | |
24 | enum atmsvc_msg_type type; | |
25 | atm_kptr_t vcc; | |
26 | atm_kptr_t listen_vcc; /* indicate */ | |
27 | int reply; /* for okay and close: */ | |
28 | /* < 0: error before active */ | |
29 | /* (sigd has discarded ctx) */ | |
30 | /* ==0: success */ | |
31 | /* > 0: error when active (still */ | |
32 | /* need to close) */ | |
33 | struct sockaddr_atmpvc pvc; /* indicate, okay (connect) */ | |
34 | struct sockaddr_atmsvc local; /* local SVC address */ | |
35 | struct atm_qos qos; /* QOS parameters */ | |
36 | struct atm_sap sap; /* SAP */ | |
37 | unsigned int session; /* for p2pm */ | |
38 | struct sockaddr_atmsvc svc; /* SVC address */ | |
39 | } __ATM_API_ALIGN; | |
40 | ||
41 | /* | |
42 | * Message contents: see ftp://icaftp.epfl.ch/pub/linux/atm/docs/isp-*.tar.gz | |
43 | */ | |
44 | ||
45 | /* | |
46 | * Some policy stuff for atmsigd and for net/atm/svc.c. Both have to agree on | |
47 | * what PCR is used to request bandwidth from the device driver. net/atm/svc.c | |
48 | * tries to do better than that, but only if there's no routing decision (i.e. | |
49 | * if signaling only uses one ATM interface). | |
50 | */ | |
51 | ||
52 | #define SELECT_TOP_PCR(tp) ((tp).pcr ? (tp).pcr : \ | |
53 | (tp).max_pcr && (tp).max_pcr != ATM_MAX_PCR ? (tp).max_pcr : \ | |
54 | (tp).min_pcr ? (tp).min_pcr : ATM_MAX_PCR) | |
55 | ||
56 | #endif |