patch-2.1.68 linux/include/linux/net_alias.h

• Lines: 188
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.1.67/linux/include/linux/net_alias.h
• Orig date: Mon Jul 7 16:02:47 1997

diff -u --recursive --new-file v2.1.67/linux/include/linux/net_alias.h linux/include/linux/net_alias.h
@@ -1,187 +0,0 @@
-/*
- *		NET_ALIAS network device aliasing definitions.
- *
- *
- * Version:	@(#)net_alias.h	0.43   12/20/95
- *
- * Author:	Juan Jose Ciarlante, <jjciarla@raiz.uncu.edu.ar>
- *
- *
- *	This program is free software; you can redistribute it and/or
- *	modify it under the terms of the GNU General Public License
- *	as published by the Free Software Foundation; either version
- *	2 of the License, or (at your option) any later version.
- *	
- */
-
-#ifndef _NET_ALIAS_H
-#define _NET_ALIAS_H
-
-#include <linux/config.h>
-
-#ifdef CONFIG_NET_ALIAS
-#include <linux/types.h>
-#include <linux/if.h>
-#include <linux/netdevice.h>
-
-/*
- * max. alias slot number allowed 
- */
-
-#define NET_ALIAS_MAX_SLOT  256
-
-struct net_alias;
-struct net_alias_info;
-struct net_alias_type;
-
-
-/*
- *	Main alias structure
- *	Note that *defines* dev & devname.
- */
-
-struct net_alias
-{
-	struct device dev;		/* alias device defn*/
-	char name[IFNAMSIZ];		/* device name defn */
-	unsigned hash;			/* my hash value: for quick rehash */
-	unsigned slot;			/* slot number */
-	void *data;			/* private data */
-	struct device *main_dev;	/* pointer to main device */
-	struct net_alias_type *nat;	/* alias type object bound */
-	struct net_alias *next;		/* next alias (hashed linked list) */
-};
-
-
-/*
- *  alias structure pointed by main device
- *  it holds main device's alias hash table
- */
-
-struct net_alias_info
-{
-	int n_aliases;			/* num aliases */
-	struct device *taildev;		/* my last (alias) device */
-	struct net_alias *hash_tab[16]; /* hashed alias table */
-};
-
-/*
- *	net_alias_type class
- *	Declares a generic (AF_ independent) structure that will
- *	manage generic to family-specific behavior.
- */
-
-struct net_alias_type
-{
-	int type;			/* aliasing type: address family */
-	int n_attach;	 		/* number of aliases attached */
-	char name[16];			/* af_name */
-	__u32 (*get_addr32)		/* get __u32 addr 'representation'*/
-		(struct net_alias_type *this, struct sockaddr*);	
-	int (*dev_addr_chk)		/* address checking func: */
-		(struct net_alias_type *this, struct device *, struct sockaddr *);
-	struct device * (*dev_select)	/* closest alias selector*/
-		(struct net_alias_type *this, struct device *, struct sockaddr *sa);
-	int (*alias_init_1)		/* called after alias creation: */
-		(struct net_alias_type *this,struct net_alias *alias, struct sockaddr *sa);
-	int (*alias_done_1)		/* called before alias deletion */
-		(struct net_alias_type *this, struct net_alias *alias);
-	int (*alias_print_1)	
-		(struct net_alias_type *this, struct net_alias *alias, char *buf, int len);
-	struct net_alias_type *next;	/* link */
-};
-
-
-/*
- *	is dev an alias?
- */
-
-#ifdef CONFIG_NET_ALIAS
-
-extern __inline__ int net_alias_is(struct device *dev)
-{
-	return (dev->my_alias != NULL);
-}
-
-/*
- *	Does dev have aliases?
- */
-
-extern __inline__ int net_alias_has(struct device *dev)
-{
-	return (dev->alias_info != NULL);
-}
-
-/*
- *	Returns MY 'true' main device
- *	intended for alias devices
- */
-
-extern __inline__ struct device *net_alias_main_dev(struct device *dev)
-{
-	return (net_alias_is(dev))? dev->my_alias->main_dev : dev;
-}
-
-
-/*
- *	Returns NEXT 'true' device
- *	intended for true devices
- */
-
-extern __inline__ struct device *net_alias_nextdev(struct device *dev)
-{
-	return (dev->alias_info)? dev->alias_info->taildev->next : dev->next;
-}
-
-/*
- *	Sets NEXT 'true' device
- *	Intended for main devices (treat main device as block: dev+aliases).
- */
-
-extern __inline__ struct device *net_alias_nextdev_set(struct device *dev, struct device *nextdev)
-{
-	struct device *pdev = dev;
-	if (net_alias_has(dev))
-	{
-		pdev = dev->alias_info->taildev; /* point to last dev alias */
-	}
-	pdev->next = nextdev;
-	return nextdev;
-}
-
-#else
-
-#define net_alias_has(dev)	(0)
-#define net_alias_is(dev)	(0)
-#define net_alias_main_dev(dev)	(dev)
-#endif
-
-
-extern void net_alias_init(void);
-
-extern struct device * net_alias_dev_get(char *dev_name, int aliasing_ok, int *err, struct sockaddr *sa, void *data);
-extern int net_alias_dev_rehash(struct device *dev, struct sockaddr *sa);
-
-extern int net_alias_getinfo(char *buf, char **, off_t , int , int );
-extern int net_alias_types_getinfo(char *buf, char **, off_t , int , int );
-
-extern int register_net_alias_type(struct net_alias_type *nat, int type);
-extern int unregister_net_alias_type(struct net_alias_type *nat);
-
-extern struct device * net_alias_dev_chk(struct device *main_dev, struct sockaddr *sa, int flags_on, int flags_off);
-extern struct device * net_alias_dev_chk32(struct device *main_dev, int family, __u32 addr32, int flags_on, int flags_off);
-
-extern struct device * net_alias_dev_rcv_sel(struct device *main_dev, struct sockaddr *sa_src, struct sockaddr *sa_dst);
-extern struct device * net_alias_dev_rcv_sel32(struct device *main_dev, int family, __u32 src, __u32 dst);
-
-
-
-#else
-
-#define net_alias_is(a)		0
-#define net_alias_main_dev(dev)	(dev)
-#define net_alias_has(dev)	0
-
-#endif
-
-#endif  /* _NET_ALIAS_H */