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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present Eclipse ThreadX Contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Component */
/** */
/** Internet Group Management Protocol (IGMP) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_ip.h"
#include "nx_igmp.h"
/* Bring in externs for caller checking code. */
NX_CALLER_CHECKING_EXTERNS
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nxe_igmp_info_get PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the IGMP information get */
/* function call. */
/* */
/* INPUT */
/* */
/* ip_ptr IP instance pointer */
/* igmp_reports_sent Destination for the number */
/* of IGMP reports sent */
/* igmp_queries_received Destination for the number */
/* of IGMP queries received */
/* igmp_checksum_errors Destination for the number */
/* of IGMP checksum errors */
/* current_groups_joined Destination for the number */
/* of IGMP multicast groups */
/* currently joined */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nx_igmp_info_get Actual IGMP information get */
/* function */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nxe_igmp_info_get(NX_IP *ip_ptr, ULONG *igmp_reports_sent, ULONG *igmp_queries_received,
ULONG *igmp_checksum_errors, ULONG *current_groups_joined)
{
#ifndef NX_DISABLE_IPV4
UINT status;
/* Check for invalid input pointers. */
if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID))
{
return(NX_PTR_ERROR);
}
/* Check to see if IGMP is enabled. */
if (!ip_ptr -> nx_ip_igmp_packet_receive)
{
return(NX_NOT_ENABLED);
}
/* Check for appropriate caller. */
NX_INIT_AND_THREADS_CALLER_CHECKING
/* Call actual IGMP information get function. */
status = _nx_igmp_info_get(ip_ptr, igmp_reports_sent, igmp_queries_received,
igmp_checksum_errors, current_groups_joined);
/* Return completion status. */
return(status);
#else /* NX_DISABLE_IPV4 */
NX_PARAMETER_NOT_USED(ip_ptr);
NX_PARAMETER_NOT_USED(igmp_reports_sent);
NX_PARAMETER_NOT_USED(igmp_queries_received);
NX_PARAMETER_NOT_USED(igmp_checksum_errors);
NX_PARAMETER_NOT_USED(current_groups_joined);
return(NX_NOT_SUPPORTED);
#endif /* !NX_DISABLE_IPV4 */
}
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