patch-2.1.68 linux/net/ipv4/ip_alias.c

• Lines: 171
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.1.67/linux/net/ipv4/ip_alias.c
• Orig date: Tue May 13 22:41:23 1997

diff -u --recursive --new-file v2.1.67/linux/net/ipv4/ip_alias.c linux/net/ipv4/ip_alias.c
@@ -1,170 +0,0 @@
-/*
- *		IP_ALIAS (AF_INET) aliasing module.
- *
- *
- * Version:	@(#)ip_alias.c	0.43   12/20/95
- *
- * Author:	Juan Jose Ciarlante, <jjciarla@raiz.uncu.edu.ar>
- *
- * Fixes:
- *	JJC	:	ip_alias_dev_select method.
- *
- *	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.
- *	
- */
-
-#include <linux/module.h>
-
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/netdevice.h>
-#include <linux/if.h>
-#include <linux/inet.h>
-#include <linux/in.h>
-#include <linux/ip.h>
-#include <linux/route.h>
-#include <linux/init.h>
-#include <net/route.h>
-
-#ifdef ALIAS_USER_LAND_DEBUG
-#include "net_alias.h"
-#include "ip_alias.h"
-#include "user_stubs.h"
-#endif
-
-#include <linux/net_alias.h>
-#include <net/ip_alias.h>
-
-/*
- *	AF_INET alias init
- */
- 
-static int ip_alias_init_1(struct net_alias_type *this, struct net_alias *alias, struct sockaddr *sa)
-{
-#ifdef ALIAS_USER_LAND_DEBUG
-	printk("alias_init(%s) called.\n", alias->name);
-#endif
-	MOD_INC_USE_COUNT;
-	return 0;
-}
-
-/*
- *	AF_INET alias done
- */
- 
-static int ip_alias_done_1(struct net_alias_type *this, struct net_alias *alias)
-{
-#ifdef ALIAS_USER_LAND_DEBUG
-	printk("alias_done(%s) called.\n", alias->name);
-#endif
-	MOD_DEC_USE_COUNT;
-	return 0;
-}
-
-/*
- *	Print alias address info
- */
-
-int ip_alias_print_1(struct net_alias_type *this, struct net_alias *alias, char *buf, int len)
-{
-	char *p;
-
-	p = (char *) &alias->dev.pa_addr;
-	return sprintf(buf, "%d.%d.%d.%d",
-		(p[0] & 255), (p[1] & 255), (p[2] & 255), (p[3] & 255));
-}
-
-struct device *ip_alias_dev_select(struct net_alias_type *this, struct device *main_dev, struct sockaddr *sa)
-{
-	__u32 addr;
-#if 0
-	struct rtable *rt;
-#endif
-	struct device *dev=NULL;
-  
-	/*
-	 *	Defensive...	
-	 */
-  
-	if (main_dev == NULL) 
-		return NULL;
-
-	/*
-	 *	Get u32 address. 
-	 */
-
-	addr =  (sa)? (*(struct sockaddr_in *)sa).sin_addr.s_addr : 0;
-	if (addr == 0)
-		return NULL;
-
-	/*
-	 *	Find 'closest' device to address given. any other suggestions? ...
-	 *	net_alias module will check if returned device is main_dev's alias
-	 */
-
-#if 0
-	rt = ip_rt_route(addr, 0);
-	if(rt)
-	{
-		dev=rt->rt_dev;
-		ip_rt_put(rt);
-	}
-#endif
-	return dev;
-}
-
-/*
- * net_alias AF_INET type defn.
- */
-
-struct net_alias_type ip_alias_type =
-{
-	AF_INET,		/* type */
-	0,			/* n_attach */
-	"ip",			/* name */
-	NULL,			/* get_addr32() */
-	NULL,			/* dev_addr_chk() */
-	ip_alias_dev_select,	/* dev_select() */
-	ip_alias_init_1,	/* alias_init_1() */
-	ip_alias_done_1,	/* alias_done_1() */
-	ip_alias_print_1,	/* alias_print_1() */
-	NULL			/* next */
-};
-
-/*
- * ip_alias module initialization
- */
-
-__initfunc(int ip_alias_init(void))
-{
-	return register_net_alias_type(&ip_alias_type, AF_INET);
-}
-
-/*
- * ip_alias module done
- */
-
-int ip_alias_done(void)
-{
-	return unregister_net_alias_type(&ip_alias_type);
-}
-
-#ifdef MODULE
-
-int init_module(void)
-{
-	if (ip_alias_init() != 0)
-		return -EIO;
-	return 0;
-}
-
-void cleanup_module(void)
-{
-	if (ip_alias_done() != 0)
-		printk(KERN_INFO "ip_alias: can't remove module");
-}
-
-#endif /* MODULE */