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include/linux/atm_tcp.h 1.73 KB
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1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  /* atm_tcp.h - Driver-specific declarations of the ATMTCP driver (for use by
  	       driver-specific utilities) */
  
  /* Written 1997-2000 by Werner Almesberger, EPFL LRC/ICA */
  
  
  #ifndef LINUX_ATM_TCP_H
  #define LINUX_ATM_TCP_H
  
  #include <linux/atmapi.h>
a1a61a435   Mike Frysinger   atm: Cleanup atm_... 
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  #include <linux/atm.h>
1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  #include <linux/atmioc.h>
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  #include <linux/types.h>
1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  /*
   * All values in struct atmtcp_hdr are in network byte order
   */
  
  struct atmtcp_hdr {
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  	__u16	vpi;
  	__u16	vci;
  	__u32	length;		/* ... of data part */
1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  };
  
  /*
   * All values in struct atmtcp_command are in host byte order
   */
  
  #define ATMTCP_HDR_MAGIC	(~0)	/* this length indicates a command */
  #define ATMTCP_CTRL_OPEN	1	/* request/reply */
  #define ATMTCP_CTRL_CLOSE	2	/* request/reply */
  
  struct atmtcp_control {
  	struct atmtcp_hdr hdr;	/* must be first */
  	int type;		/* message type; both directions */
  	atm_kptr_t vcc;		/* both directions */
  	struct sockaddr_atmpvc addr; /* suggested value from kernel */
  	struct atm_qos	qos;	/* both directions */
  	int result;		/* to kernel only */
  } __ATM_API_ALIGN;
  
  /*
   * Field usage:
   * Messge type	dir.	hdr.v?i	type	addr	qos	vcc	result
   * -----------  ----	------- ----	----	---	---	------
   * OPEN		K->D	Y	Y	Y	Y	Y	0
   * OPEN		D->K	-	Y	Y	Y	Y	Y
   * CLOSE	K->D	-	-	Y	-	Y	0
   * CLOSE	D->K	-	-	-	-	Y	Y
   */
  
  #define SIOCSIFATMTCP	_IO('a',ATMIOC_ITF)	/* set ATMTCP mode */
  #define ATMTCP_CREATE	_IO('a',ATMIOC_ITF+14)	/* create persistent ATMTCP
  						   interface */
  #define ATMTCP_REMOVE	_IO('a',ATMIOC_ITF+15)	/* destroy persistent ATMTCP
  						   interface */
  
  
  #ifdef __KERNEL__
  
  struct atm_tcp_ops {
  	int (*attach)(struct atm_vcc *vcc,int itf);
  	int (*create_persistent)(int itf);
  	int (*remove_persistent)(int itf);
  	struct module *owner;
  };
  
  extern struct atm_tcp_ops atm_tcp_ops;
  
  #endif
  
  #endif