1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux <<
2 /* atmsvc.h - ATM signaling kernel-demon inter 1 /* atmsvc.h - ATM signaling kernel-demon interface definitions */
3 2
4 /* Written 1995-2000 by Werner Almesberger, EP 3 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
5 4
6 5
7 #ifndef _LINUX_ATMSVC_H 6 #ifndef _LINUX_ATMSVC_H
8 #define _LINUX_ATMSVC_H 7 #define _LINUX_ATMSVC_H
9 8
10 #include <linux/atmapi.h> 9 #include <linux/atmapi.h>
11 #include <linux/atm.h> 10 #include <linux/atm.h>
12 #include <linux/atmioc.h> 11 #include <linux/atmioc.h>
13 12
14 13
15 #define ATMSIGD_CTRL _IO('a',ATMIOC_SPECIAL) 14 #define ATMSIGD_CTRL _IO('a',ATMIOC_SPECIAL)
16 /* become ATM 15 /* become ATM signaling demon control socket */
17 16
18 enum atmsvc_msg_type { as_catch_null, as_bind, 17 enum atmsvc_msg_type { as_catch_null, as_bind, as_connect, as_accept, as_reject,
19 as_listen, as_okay, as_ 18 as_listen, as_okay, as_error, as_indicate, as_close,
20 as_itf_notify, as_modif 19 as_itf_notify, as_modify, as_identify, as_terminate,
21 as_addparty, as_droppar 20 as_addparty, as_dropparty };
22 21
23 struct atmsvc_msg { 22 struct atmsvc_msg {
24 enum atmsvc_msg_type type; 23 enum atmsvc_msg_type type;
25 atm_kptr_t vcc; 24 atm_kptr_t vcc;
26 atm_kptr_t listen_vcc; /* ind 25 atm_kptr_t listen_vcc; /* indicate */
27 int reply; /* for 26 int reply; /* for okay and close: */
28 /* < 27 /* < 0: error before active */
29 /* 28 /* (sigd has discarded ctx) */
30 /* = 29 /* ==0: success */
31 /* > 30 /* > 0: error when active (still */
32 /* 31 /* need to close) */
33 struct sockaddr_atmpvc pvc; /* ind 32 struct sockaddr_atmpvc pvc; /* indicate, okay (connect) */
34 struct sockaddr_atmsvc local; /* loc 33 struct sockaddr_atmsvc local; /* local SVC address */
35 struct atm_qos qos; /* QOS 34 struct atm_qos qos; /* QOS parameters */
36 struct atm_sap sap; /* SAP 35 struct atm_sap sap; /* SAP */
37 unsigned int session; /* for 36 unsigned int session; /* for p2pm */
38 struct sockaddr_atmsvc svc; /* SVC 37 struct sockaddr_atmsvc svc; /* SVC address */
39 } __ATM_API_ALIGN; 38 } __ATM_API_ALIGN;
40 39
41 /* 40 /*
42 * Message contents: see ftp://icaftp.epfl.ch/ 41 * Message contents: see ftp://icaftp.epfl.ch/pub/linux/atm/docs/isp-*.tar.gz
43 */ 42 */
44 43
45 /* 44 /*
46 * Some policy stuff for atmsigd and for net/a 45 * 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 46 * 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 t 47 * tries to do better than that, but only if there's no routing decision (i.e.
49 * if signaling only uses one ATM interface). 48 * if signaling only uses one ATM interface).
50 */ 49 */
51 50
52 #define SELECT_TOP_PCR(tp) ((tp).pcr ? (tp).pc 51 #define SELECT_TOP_PCR(tp) ((tp).pcr ? (tp).pcr : \
53 (tp).max_pcr && (tp).max_pcr != ATM_MAX_PCR 52 (tp).max_pcr && (tp).max_pcr != ATM_MAX_PCR ? (tp).max_pcr : \
54 (tp).min_pcr ? (tp).min_pcr : ATM_MAX_PCR) 53 (tp).min_pcr ? (tp).min_pcr : ATM_MAX_PCR)
55 54
56 #endif 55 #endif
57 56
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