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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 */
/** */
/** Packet Pool Management (Packet) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_packet.h"
#ifdef NX_ENABLE_PACKET_DEBUG_INFO
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_packet_debug_info_get PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function returns status of packet for specified index */
/* */
/* INPUT */
/* */
/* pool_ptr Pool to packet pool */
/* packet_index Index of packet in pool */
/* packet_pptr Pointer to packet for output */
/* packet_status Status of packet for output */
/* thread_info Thread of packet for output */
/* file_info File of packet for output */
/* line Line of packet for output */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nx_packet_debug_info_get(NX_PACKET_POOL *pool_ptr, UINT packet_index, NX_PACKET **packet_pptr,
ULONG *packet_status, CHAR **thread_info, CHAR **file_info, ULONG *line)
{
ULONG payload_size; /* Rounded payload size */
ULONG header_size; /* Rounded header size */
NX_PACKET *packet_ptr;
/* Get the first packet. */
packet_ptr = (NX_PACKET *)(pool_ptr -> nx_packet_pool_start);
/* Calculate header size. */
header_size = (ULONG)((ALIGN_TYPE)(packet_ptr -> nx_packet_data_start) - (ALIGN_TYPE)packet_ptr);
/* Round the packet size up to something that helps guarantee proper alignment for header and payload. */
payload_size = (ULONG)(((pool_ptr -> nx_packet_pool_payload_size + header_size + NX_PACKET_ALIGNMENT - 1) / NX_PACKET_ALIGNMENT) * NX_PACKET_ALIGNMENT - header_size);
/* Calculate packet pointer. */
packet_ptr = (NX_PACKET *)(pool_ptr -> nx_packet_pool_start + packet_index * (header_size + payload_size));
/* Get packet pointer. */
if (packet_pptr)
{
*packet_pptr = packet_ptr;
}
/* Get packet status. */
if (packet_status)
{
*packet_status = (ULONG)(ALIGN_TYPE)packet_ptr -> nx_packet_union_next.nx_packet_tcp_queue_next;
}
/* Get thread info. */
if (thread_info)
{
*thread_info = packet_ptr -> nx_packet_debug_thread;
}
/* Get file info. */
if (file_info)
{
*file_info = packet_ptr -> nx_packet_debug_file;
}
/* Get line. */
if (line)
{
*line = packet_ptr -> nx_packet_debug_line;
}
/* Return success. */
return(NX_SUCCESS);
}
#endif /* NX_ENABLE_PACKET_DEBUG_INFO */
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