1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /* atmsvc.h - ATM signaling kernel-demon inter 2 /* atmsvc.h - ATM signaling kernel-demon interface definitions */
3 3
4 /* Written 1995-2000 by Werner Almesberger, EP 4 /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */
5 5
6 6
7 #ifndef _LINUX_ATMSVC_H 7 #ifndef _LINUX_ATMSVC_H
8 #define _LINUX_ATMSVC_H 8 #define _LINUX_ATMSVC_H
9 9
10 #include <linux/atmapi.h> 10 #include <linux/atmapi.h>
11 #include <linux/atm.h> 11 #include <linux/atm.h>
12 #include <linux/atmioc.h> 12 #include <linux/atmioc.h>
13 13
14 14
15 #define ATMSIGD_CTRL _IO('a',ATMIOC_SPECIAL) 15 #define ATMSIGD_CTRL _IO('a',ATMIOC_SPECIAL)
16 /* become ATM 16 /* become ATM signaling demon control socket */
17 17
18 enum atmsvc_msg_type { as_catch_null, as_bind, 18 enum atmsvc_msg_type { as_catch_null, as_bind, as_connect, as_accept, as_reject,
19 as_listen, as_okay, as_ 19 as_listen, as_okay, as_error, as_indicate, as_close,
20 as_itf_notify, as_modif 20 as_itf_notify, as_modify, as_identify, as_terminate,
21 as_addparty, as_droppar 21 as_addparty, as_dropparty };
22 22
23 struct atmsvc_msg { 23 struct atmsvc_msg {
24 enum atmsvc_msg_type type; 24 enum atmsvc_msg_type type;
25 atm_kptr_t vcc; 25 atm_kptr_t vcc;
26 atm_kptr_t listen_vcc; /* ind 26 atm_kptr_t listen_vcc; /* indicate */
27 int reply; /* for 27 int reply; /* for okay and close: */
28 /* < 28 /* < 0: error before active */
29 /* 29 /* (sigd has discarded ctx) */
30 /* = 30 /* ==0: success */
31 /* > 31 /* > 0: error when active (still */
32 /* 32 /* need to close) */
33 struct sockaddr_atmpvc pvc; /* ind 33 struct sockaddr_atmpvc pvc; /* indicate, okay (connect) */
34 struct sockaddr_atmsvc local; /* loc 34 struct sockaddr_atmsvc local; /* local SVC address */
35 struct atm_qos qos; /* QOS 35 struct atm_qos qos; /* QOS parameters */
36 struct atm_sap sap; /* SAP 36 struct atm_sap sap; /* SAP */
37 unsigned int session; /* for 37 unsigned int session; /* for p2pm */
38 struct sockaddr_atmsvc svc; /* SVC 38 struct sockaddr_atmsvc svc; /* SVC address */
39 } __ATM_API_ALIGN; 39 } __ATM_API_ALIGN;
40 40
41 /* 41 /*
42 * Message contents: see ftp://icaftp.epfl.ch/ 42 * Message contents: see ftp://icaftp.epfl.ch/pub/linux/atm/docs/isp-*.tar.gz
43 */ 43 */
44 44
45 /* 45 /*
46 * Some policy stuff for atmsigd and for net/a 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 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 t 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). 49 * if signaling only uses one ATM interface).
50 */ 50 */
51 51
52 #define SELECT_TOP_PCR(tp) ((tp).pcr ? (tp).pc 52 #define SELECT_TOP_PCR(tp) ((tp).pcr ? (tp).pcr : \
53 (tp).max_pcr && (tp).max_pcr != ATM_MAX_PCR 53 (tp).max_pcr && (tp).max_pcr != ATM_MAX_PCR ? (tp).max_pcr : \
54 (tp).min_pcr ? (tp).min_pcr : ATM_MAX_PCR) 54 (tp).min_pcr ? (tp).min_pcr : ATM_MAX_PCR)
55 55
56 #endif 56 #endif
57 57
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