xref: /OK3568_Linux_fs/kernel/include/uapi/linux/atm_tcp.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2*4882a593Smuzhiyun /* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by
3*4882a593Smuzhiyun 	       driver-specific utilities) */
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun /* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef _UAPILINUX_ATM_TCP_H
9*4882a593Smuzhiyun #define _UAPILINUX_ATM_TCP_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <linux/atmapi.h>
12*4882a593Smuzhiyun #include <linux/atm.h>
13*4882a593Smuzhiyun #include <linux/atmioc.h>
14*4882a593Smuzhiyun #include <linux/types.h>
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun /*
18*4882a593Smuzhiyun  * All values in struct atmtcp_hdr are in network byte order
19*4882a593Smuzhiyun  */
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun struct atmtcp_hdr {
22*4882a593Smuzhiyun 	__u16	vpi;
23*4882a593Smuzhiyun 	__u16	vci;
24*4882a593Smuzhiyun 	__u32	length;		/* ... of data part */
25*4882a593Smuzhiyun };
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun /*
28*4882a593Smuzhiyun  * All values in struct atmtcp_command are in host byte order
29*4882a593Smuzhiyun  */
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #define ATMTCP_HDR_MAGIC	(~0)	/* this length indicates a command */
32*4882a593Smuzhiyun #define ATMTCP_CTRL_OPEN	1	/* request/reply */
33*4882a593Smuzhiyun #define ATMTCP_CTRL_CLOSE	2	/* request/reply */
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun struct atmtcp_control {
36*4882a593Smuzhiyun 	struct atmtcp_hdr hdr;	/* must be first */
37*4882a593Smuzhiyun 	int type;		/* message type; both directions */
38*4882a593Smuzhiyun 	atm_kptr_t vcc;		/* both directions */
39*4882a593Smuzhiyun 	struct sockaddr_atmpvc addr; /* suggested value from kernel */
40*4882a593Smuzhiyun 	struct atm_qos	qos;	/* both directions */
41*4882a593Smuzhiyun 	int result;		/* to kernel only */
42*4882a593Smuzhiyun } __ATM_API_ALIGN;
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun /*
45*4882a593Smuzhiyun  * Field usage:
46*4882a593Smuzhiyun  * Messge type	dir.	hdr.v?i	type	addr	qos	vcc	result
47*4882a593Smuzhiyun  * -----------  ----	------- ----	----	---	---	------
48*4882a593Smuzhiyun  * OPEN		K->D	Y	Y	Y	Y	Y	0
49*4882a593Smuzhiyun  * OPEN		D->K	-	Y	Y	Y	Y	Y
50*4882a593Smuzhiyun  * CLOSE	K->D	-	-	Y	-	Y	0
51*4882a593Smuzhiyun  * CLOSE	D->K	-	-	-	-	Y	Y
52*4882a593Smuzhiyun  */
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun #define SIOCSIFATMTCP	_IO('a',ATMIOC_ITF)	/* set ATMTCP mode */
55*4882a593Smuzhiyun #define ATMTCP_CREATE	_IO('a',ATMIOC_ITF+14)	/* create persistent ATMTCP
56*4882a593Smuzhiyun 						   interface */
57*4882a593Smuzhiyun #define ATMTCP_REMOVE	_IO('a',ATMIOC_ITF+15)	/* destroy persistent ATMTCP
58*4882a593Smuzhiyun 						   interface */
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun 
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun #endif /* _UAPILINUX_ATM_TCP_H */
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