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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by3 driver-specific utilities) */4 5/* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */6 7 8#ifndef _UAPILINUX_ATM_TCP_H9#define _UAPILINUX_ATM_TCP_H10 11#include <linux/atmapi.h>12#include <linux/atm.h>13#include <linux/atmioc.h>14#include <linux/types.h>15 16 17/*18 * All values in struct atmtcp_hdr are in network byte order19 */20 21struct atmtcp_hdr {22 __u16 vpi;23 __u16 vci;24 __u32 length; /* ... of data part */25};26 27/*28 * All values in struct atmtcp_command are in host byte order29 */30 31#define ATMTCP_HDR_MAGIC (~0) /* this length indicates a command */32#define ATMTCP_CTRL_OPEN 1 /* request/reply */33#define ATMTCP_CTRL_CLOSE 2 /* request/reply */34 35struct atmtcp_control {36 struct atmtcp_hdr hdr; /* must be first */37 int type; /* message type; both directions */38 atm_kptr_t vcc; /* both directions */39 struct sockaddr_atmpvc addr; /* suggested value from kernel */40 struct atm_qos qos; /* both directions */41 int result; /* to kernel only */42} __ATM_API_ALIGN;43 44/*45 * Field usage:46 * Messge type dir. hdr.v?i type addr qos vcc result47 * ----------- ---- ------- ---- ---- --- --- ------48 * OPEN K->D Y Y Y Y Y 049 * OPEN D->K - Y Y Y Y Y50 * CLOSE K->D - - Y - Y 051 * CLOSE D->K - - - - Y Y52 */53 54#define SIOCSIFATMTCP _IO('a',ATMIOC_ITF) /* set ATMTCP mode */55#define ATMTCP_CREATE _IO('a',ATMIOC_ITF+14) /* create persistent ATMTCP56 interface */57#define ATMTCP_REMOVE _IO('a',ATMIOC_ITF+15) /* destroy persistent ATMTCP58 interface */59 60 61 62#endif /* _UAPILINUX_ATM_TCP_H */63