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2026-07-30 11:19:44 +05:30

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C

/* ipmip6_address.h - ipmip6_address.h */
/*
******************************************************************************
* HEADER FILE
*
* Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipmip6_address.h,v $ $Revision: 1.5.10.1 $
* $Source: /home/interpeak/CVSRoot/ipmip6/include/private/ipmip6_address.h,v $
* $Author: jhorteli $ $Date: 2012-02-08 16:09:27 $
* $State: Exp $ $Locker: $
*
* INTERPEAK_COPYRIGHT_STRING
* Design and implementation by Joel Hortelius <joel.hortelius@interpeak.se>
******************************************************************************
*/
#ifndef IPMIP6_ADDRESS_H
#define IPMIP6_ADDRESS_H
/*
****************************************************************************
* 1 DESCRIPTION
****************************************************************************
*/
/*
DESCRIPTION
This module provides functions related to INET6 address management. For
example anycast address creation, applying prefixes and verifying if
an address is unicast routable.
*/
/*
****************************************************************************
* 2 CONFIGURATION
****************************************************************************
*/
/*
****************************************************************************
* 3 INCLUDE FILES
****************************************************************************
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
****************************************************************************
* 4 DEFINES
****************************************************************************
*/
/*
****************************************************************************
* 5 TYPES
****************************************************************************
*/
struct Ipmip6_if;
struct Ipmip6_context;
union Ipmip6_mib_InetAddress;
/* Basic address data */
typedef struct Ipmip6_address
{
struct Ip_in6_addr prefix;
Ip_u8 len;
}
Ipmip6_address_t;
#ifdef IPMIP_USE_INET
typedef struct Ipmip6_inet
{
Ip_u32 prefix;
Ip_u8 len;
}
Ipmip6_inet_t;
#endif
/*
****************************************************************************
* 6 FUNCTIONS
****************************************************************************
*/
/*******************************************************************************
*
* ipmip6_address_unicast_routable - ipmip6_address_unicast_routable
*
* Verify whether or not an address is unicast routable.
*
* Parameters:
* \is
* \i addr
* The INET6 address to verify
* \ie
*
* RETURNS: IP_TRUE if unicast routable, IP_FALSE otherwise.
*
* ERRNO:
*
*/
IP_GLOBAL Ip_bool ipmip6_address_unicast_routable
(
struct Ip_in6_addr *addr
);
/*******************************************************************************
*
* ipmip6_address_apply_prefix - ipmip6_address_apply_prefix
*
* Apply a prefix to an address. This is used to renumber an existing
* address - that is changing the prefix it belongs to.
*
* Parameters:
* \is
* \i addr
* The INET6 address to renumber
* \i prefix
* The prefix to apply
* \i prefix_len
* The number of set bits in the prefix
* \ie
*
* RETURNS:
*
* ERRNO:
*
*/
IP_GLOBAL void ipmip6_address_apply_prefix
(
struct Ip_in6_addr *addr,
const struct Ip_in6_addr *prefix,
Ip_u8 prefix_len
);
/*******************************************************************************
*
* ipmip6_address_create_prefix - ipmip6_address_create_prefix
*
* Set a prefix in an address structure.
*
* Parameters:
* \is
* \i addr
* The address to create the prefix in
* \i prefix
* The prefix to apply
* \i prefix_len
* The bit length of the prefix
* \ie
*
* RETURNS:
*
* ERRNO:
*
*/
IP_GLOBAL void ipmip6_address_create_prefix
(
struct Ip_in6_addr *addr,
const struct Ip_in6_addr *prefix,
Ip_u8 prefix_len
);
/*******************************************************************************
*
* ipmip6_address_cmp_prefix2prefix - ipmip6_address_cmp_prefix2prefix
*
* Compares two prefixes.
*
* Parameters:
* \is
* \i prefix1
* The first prefix
* \i prefix2
* The second prefix
* \ie
*
* RETURNS: IP_TRUE if they are identical, IP_FALSE otherwise.
*
* ERRNO:
*
*/
IP_GLOBAL Ip_bool ipmip6_address_cmp_prefix2prefix
(
Ipmip6_address_t *prefix1,
Ipmip6_address_t *prefix2
);
/*******************************************************************************
*
* ipmip6_address_create_anycast - ipmip6_address_create_anycast
*
* Create an anycast address based on a prefix and an any cast address number
*
* Parameters:
* \is
* \i addr
* The data to store the anycast address in
* \i prefix
* The prefix
* \i anycast
* The anycast address
* \ie
*
* RETURNS:
*
* ERRNO:
*
*/
IP_GLOBAL void ipmip6_address_create_anycast
(
Ipmip6_address_t *addr,
Ipmip6_address_t *prefix,
Ip_u8 anycast
);
#ifdef __cplusplus
}
#endif
#endif
/*
****************************************************************************
* END OF FILE
****************************************************************************
*/