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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 Protocol (IP) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_ip.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_ip_auxiliary_packet_pool_set PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function assigns an auxiliary packet pool to IP instance. */
/* Note in order to utilize the auxiliary packet pool feature, the */
/* symbol NX_ENABLE_DUAL_PACKET_POOL must be defined when building */
/* NetX Duo library. */
/* */
/* INPUT */
/* */
/* ip_ptr Pointer to IP control block */
/* auxiliary_pool Pointer to auxiliary packet */
/* pool */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* tx_mutex_get Get protection mutex */
/* tx_mutex_put Put protection mutex */
/* */
/* CALLED BY */
/* */
/* Application */
/* */
/**************************************************************************/
UINT _nx_ip_auxiliary_packet_pool_set(NX_IP *ip_ptr, NX_PACKET_POOL *auxiliary_pool)
{
#ifdef NX_ENABLE_DUAL_PACKET_POOL
TX_INTERRUPT_SAVE_AREA
/* Disable interrupts. */
TX_DISABLE
/* Choose a packet pool with smaller payload size as auxiliary packet pool. */
if (auxiliary_pool -> nx_packet_pool_payload_size > ip_ptr -> nx_ip_default_packet_pool -> nx_packet_pool_payload_size)
{
ip_ptr -> nx_ip_default_packet_pool = auxiliary_pool;
}
else
{
ip_ptr -> nx_ip_auxiliary_packet_pool = auxiliary_pool;
}
/* Restore interrupts. */
TX_RESTORE
/* Return success to the caller. */
return(NX_SUCCESS);
#else /* !NX_ENABLE_DUAL_PACKET_POOL */
NX_PARAMETER_NOT_USED(ip_ptr);
NX_PARAMETER_NOT_USED(auxiliary_pool);
return(NX_NOT_SUPPORTED);
#endif /* NX_ENABLE_DUAL_PACKET_POOL */
}
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