/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by
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driver-specific utilities) */
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/* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */
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#ifndef _UAPILINUX_ATM_TCP_H
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#define _UAPILINUX_ATM_TCP_H
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#include <linux/atmapi.h>
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#include <linux/atm.h>
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#include <linux/atmioc.h>
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#include <linux/types.h>
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/*
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* All values in struct atmtcp_hdr are in network byte order
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*/
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struct atmtcp_hdr {
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__u16 vpi;
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__u16 vci;
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__u32 length; /* ... of data part */
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};
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/*
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* All values in struct atmtcp_command are in host byte order
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*/
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#define ATMTCP_HDR_MAGIC (~0) /* this length indicates a command */
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#define ATMTCP_CTRL_OPEN 1 /* request/reply */
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#define ATMTCP_CTRL_CLOSE 2 /* request/reply */
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struct atmtcp_control {
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struct atmtcp_hdr hdr; /* must be first */
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int type; /* message type; both directions */
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atm_kptr_t vcc; /* both directions */
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struct sockaddr_atmpvc addr; /* suggested value from kernel */
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struct atm_qos qos; /* both directions */
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int result; /* to kernel only */
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} __ATM_API_ALIGN;
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/*
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* Field usage:
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* Messge type dir. hdr.v?i type addr qos vcc result
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* ----------- ---- ------- ---- ---- --- --- ------
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* OPEN K->D Y Y Y Y Y 0
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* OPEN D->K - Y Y Y Y Y
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* CLOSE K->D - - Y - Y 0
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* CLOSE D->K - - - - Y Y
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*/
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#define SIOCSIFATMTCP _IO('a',ATMIOC_ITF) /* set ATMTCP mode */
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#define ATMTCP_CREATE _IO('a',ATMIOC_ITF+14) /* create persistent ATMTCP
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interface */
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#define ATMTCP_REMOVE _IO('a',ATMIOC_ITF+15) /* destroy persistent ATMTCP
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interface */
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#endif /* _UAPILINUX_ATM_TCP_H */
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