/*************************************************************************** * 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_igmp.h" /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _nx_igmp_info_get PORTABLE C */ /* 6.4.3 */ /* AUTHOR */ /* */ /* Yuxin Zhou, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function retrieves various IGMP information associated with */ /* the specified IP instance. */ /* */ /* 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 */ /* */ /* tx_mutex_get Obtain protection mutex */ /* tx_mutex_put Release protection mutex */ /* */ /* CALLED BY */ /* */ /* Application Code */ /* */ /**************************************************************************/ UINT _nx_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 /* If trace is enabled, insert this event into the trace buffer. */ NX_TRACE_IN_LINE_INSERT(NX_TRACE_IGMP_INFO_GET, ip_ptr, ip_ptr -> nx_ip_igmp_reports_sent, ip_ptr -> nx_ip_igmp_queries_received, ip_ptr -> nx_ip_igmp_groups_joined, NX_TRACE_IGMP_EVENTS, 0, 0); /* Obtain protection on this IP instance. */ tx_mutex_get(&(ip_ptr -> nx_ip_protection), TX_WAIT_FOREVER); /* Determine if IGMP reports sent is wanted. */ if (igmp_reports_sent) { /* Return the number of IGMP reports sent by this IP instance. */ *igmp_reports_sent = ip_ptr -> nx_ip_igmp_reports_sent; } /* Determine if IGMP queries received is wanted. */ if (igmp_queries_received) { /* Return the number of IGMP queries received by this IP instance. */ *igmp_queries_received = ip_ptr -> nx_ip_igmp_queries_received; } /* Determine if IGMP checksum errors is wanted. */ if (igmp_checksum_errors) { /* Return the number of IGMP checksum errors by this IP instance. */ *igmp_checksum_errors = ip_ptr -> nx_ip_igmp_checksum_errors; } /* Determine if the number of IGMP multicast groups joined is wanted. */ if (current_groups_joined) { /* Return the number of IGMP multicast groups joined is wanted. */ *current_groups_joined = ip_ptr -> nx_ip_igmp_groups_joined; } /* Release the protection. */ tx_mutex_put(&(ip_ptr -> nx_ip_protection)); /* Return a successful status! */ return(NX_SUCCESS); #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 */ }