/*
 * FreeRTOS V202112.00
 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * https://www.FreeRTOS.org
 * https://aws.amazon.com/freertos
 *
 */

#ifndef NET_IF_H
#define NET_IF_H

/*
 * Send uip_len bytes from uip_buf to the network interface selected by the 
 * configNETWORK_INTERFACE_TO_USE constant (defined in FreeRTOSConfig.h). 
 */
void vNetifTx( void );

/*
 * Receive bytes from the network interface selected by the 
 * configNETWORK_INTERFACE_TO_USE constant (defined in FreeRTOSConfig.h).  The
 * bytes are placed in uip_buf.  The number of bytes copied into uip_buf is
 * returned.
 */
unsigned portBASE_TYPE uxNetifRx( void );

/*
 * Prepare a packet capture session.  This will print out all the network 
 * interfaces available, and the one actually used is set by the 
 * configNETWORK_INTERFACE_TO_USE constant that is defined in 
 * FreeRTOSConfig.h. */
portBASE_TYPE xNetifInit( void );

#endif /* NET_IF_H */
