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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"
/* Bring in externs for caller checking code. */
NX_CALLER_CHECKING_EXTERNS
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nxe_ip_interface_attach PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the IP interface attach */
/* function call. */
/* */
/* */
/* INPUT */
/* */
/* ip_ptr_value Pointer to IP control block */
/* interface_name Name of this interface */
/* ip_address IP Address, in host byte order*/
/* network_mask Network Mask, in host byte */
/* order */
/* ip_link_driver User supplied link driver */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nx_ip_interface_attach Attaches the interface */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nxe_ip_interface_attach(NX_IP *ip_ptr, CHAR *interface_name, ULONG ip_address, ULONG network_mask, VOID (*ip_link_driver)(struct NX_IP_DRIVER_STRUCT *))
{
UINT status;
/* Check for invalid input pointers. */
if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID) || (ip_link_driver == NX_NULL) || (interface_name == NX_NULL))
{
return(NX_PTR_ERROR);
}
/* Check for invalid IP address. Note that Interface with DHCP enabled
would start with 0.0.0.0. Therefore the 0 IP address is allowed. */
if ((ip_address != 0) &&
((ip_address & NX_IP_CLASS_A_MASK) != NX_IP_CLASS_A_TYPE) &&
((ip_address & NX_IP_CLASS_B_MASK) != NX_IP_CLASS_B_TYPE) &&
((ip_address & NX_IP_CLASS_C_MASK) != NX_IP_CLASS_C_TYPE))
{
return(NX_IP_ADDRESS_ERROR);
}
/* Check for appropriate caller. */
NX_INIT_AND_THREADS_CALLER_CHECKING
/* Call actual IP interface attach function. */
status = _nx_ip_interface_attach(ip_ptr, interface_name, ip_address, network_mask, ip_link_driver);
/* Return completion status. */
return(status);
}
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