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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Component */
/** */
/** Internet Protocol (IPv6) */
/** */
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_ipv6.h"
#if defined(NX_ENABLE_IPV6_MULTICAST) && defined(FEATURE_NX_IPV6)
#include "nx_ip.h"
/* Bring in externs for caller checking code. */
NX_CALLER_CHECKING_EXTERNS
#endif /* NX_ENABLE_IPV6_MULTICAST && FEATURE_NX_IPV6 */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nxde_ipv6_multicast_interface_leave PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This service checks for errors in the IPv6 multicast leave call. */
/* */
/* INPUT */
/* */
/* ip_ptr IP instance pointer */
/* group_address IPv6 multicast address */
/* interface_index Index to phyical interface */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* IPv6_Address_Type Obtain IPv6 address type */
/* _nxd_ipv6_multicast_interface_leave Actual IPv6 multicast leave */
/* function */
/* */
/* CALLED BY */
/* */
/* Application */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
/* 09-30-2020 Yuxin Zhou Modified comment(s), */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
UINT _nxde_ipv6_multicast_interface_leave(NX_IP *ip_ptr, NXD_ADDRESS *group_address, UINT interface_index)
{
#if defined(NX_ENABLE_IPV6_MULTICAST) && defined(FEATURE_NX_IPV6)
UINT status;
/* Check for invalid input pointers. */
if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID) || (group_address == NX_NULL))
{
return(NX_PTR_ERROR);
}
/* Check for invalid input parameter. */
if ((IPv6_Address_Type(group_address -> nxd_ip_address.v6) & IPV6_ADDRESS_MULTICAST) != IPV6_ADDRESS_MULTICAST)
{
return(NX_IP_ADDRESS_ERROR);
}
/* Validate the interface. */
if (interface_index >= NX_MAX_PHYSICAL_INTERFACES)
{
return(NX_INVALID_INTERFACE);
}
/* Check for appropriate caller. */
NX_THREADS_ONLY_CALLER_CHECKING
/* Call actual IPv6 enable function. */
status = _nxd_ipv6_multicast_interface_leave(ip_ptr, group_address, interface_index);
/* Return completion status. */
return(status);
#else /* ! NX_ENABLE_IPV6_MULTICAST */
NX_PARAMETER_NOT_USED(ip_ptr);
NX_PARAMETER_NOT_USED(group_address);
NX_PARAMETER_NOT_USED(interface_index);
return(NX_NOT_SUPPORTED);
#endif /* NX_ENABLE_IPV6_MULTICAST && FEATURE_NX_IPV6 */
}
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