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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** 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_driver_interface_direct_command PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function provides the application with direct access to */
/* the specific IP's link-level driver. */
/* */
/* INPUT */
/* */
/* ip_ptr Pointer to IP instance */
/* command Driver command (NX_LINK_*) */
/* interface_index Index to the interface */
/* return_value_ptr Pointer to place return values*/
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* tx_mutex_get Get protection mutex */
/* tx_mutex_put Put protection mutex */
/* (ip_link_driver) User supplied link driver */
/* */
/* CALLED BY */
/* */
/* Application */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
/* 09-30-2020 Yuxin Zhou Modified comment(s), */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
UINT _nx_ip_driver_interface_direct_command(NX_IP *ip_ptr, UINT command, UINT interface_index, ULONG *return_value_ptr)
{
NX_IP_DRIVER driver_request;
#ifdef TX_ENABLE_EVENT_TRACE
TX_TRACE_BUFFER_ENTRY *trace_event;
ULONG trace_timestamp;
#endif
/* If trace is enabled, insert this event into the trace buffer. */
NX_TRACE_IN_LINE_INSERT(NX_TRACE_IP_DRIVER_DIRECT_COMMAND, ip_ptr, command, 0, 0, NX_TRACE_IP_EVENTS, &trace_event, &trace_timestamp);
/* Get mutex protection. */
tx_mutex_get(&(ip_ptr -> nx_ip_protection), TX_WAIT_FOREVER);
/* Build the driver request structure. */
driver_request.nx_ip_driver_ptr = ip_ptr;
driver_request.nx_ip_driver_command = command;
driver_request.nx_ip_driver_return_ptr = return_value_ptr;
driver_request.nx_ip_driver_interface = &(ip_ptr -> nx_ip_interface[interface_index]);
(ip_ptr -> nx_ip_interface[interface_index].nx_interface_link_driver_entry)(&driver_request);
/* Release mutex protection. */
tx_mutex_put(&(ip_ptr -> nx_ip_protection));
/* Update the trace event with the status. */
NX_TRACE_EVENT_UPDATE(trace_event, trace_timestamp, NX_TRACE_IP_DRIVER_DIRECT_COMMAND, 0, 0, driver_request.nx_ip_driver_status, 0);
/* Return status to the caller. */
/*lint -e{644} suppress variable might not be initialized, since "nx_ip_driver_status" was initialized in nx_interface_link_driver_entry. */
return(driver_request.nx_ip_driver_status);
}