/*
 * @brief LWIP build option override file
 *
 * @note
 * Copyright(C) NXP Semiconductors, 2012
 * All rights reserved.
 *
 * @par
 * Software that is described herein is for illustrative purposes only
 * which provides customers with programming information regarding the
 * LPC products.  This software is supplied "AS IS" without any warranties of
 * any kind, and NXP Semiconductors and its licensor disclaim any and
 * all warranties, express or implied, including all implied warranties of
 * merchantability, fitness for a particular purpose and non-infringement of
 * intellectual property rights.  NXP Semiconductors assumes no responsibility
 * or liability for the use of the software, conveys no license or rights under any
 * patent, copyright, mask work right, or any other intellectual property rights in
 * or to any products. NXP Semiconductors reserves the right to make changes
 * in the software without notification. NXP Semiconductors also makes no
 * representation or warranty that such application will be suitable for the
 * specified use without further testing or modification.
 *
 * @par
 * Permission to use, copy, modify, and distribute this software and its
 * documentation is hereby granted, under NXP Semiconductors' and its
 * licensor's relevant copyrights in the software, without fee, provided that it
 * is used in conjunction with NXP Semiconductors microcontrollers.  This
 * copyright, permission, and disclaimer notice must appear in all copies of
 * this code.
 */

#ifndef __LWIPOPTS_H_
#define __LWIPOPTS_H_

/* Standalone build */
#define NO_SYS                          1

/* Use LWIP timers */
#define NO_SYS_NO_TIMERS                0

/* Need for memory protection */
#define SYS_LIGHTWEIGHT_PROT            0

/* 32-bit alignment */
#define MEM_ALIGNMENT                   4

/* pbuf buffers in pool. In zero-copy mode, these buffers are
   located in peripheral RAM. In copied mode, they are located in
   internal IRAM */
#define PBUF_POOL_SIZE                  7

/* No padding needed */
#define ETH_PAD_SIZE                    0

#define IP_SOF_BROADCAST                1
#define IP_SOF_BROADCAST_RECV           1

/* The ethernet FCS is performed in hardware. The IP, TCP, and UDP
   CRCs still need to be done in hardware. */
#define CHECKSUM_GEN_IP                 1
#define CHECKSUM_GEN_UDP                1
#define CHECKSUM_GEN_TCP                1
#define CHECKSUM_CHECK_IP               1
#define CHECKSUM_CHECK_UDP              1
#define CHECKSUM_CHECK_TCP              1
#define LWIP_CHECKSUM_ON_COPY           1

/* Use LWIP version of htonx() to allow generic functionality across
   all platforms. If you are using the Cortex Mx devices, you might
   be able to use the Cortex __rev instruction instead. */
#define LWIP_PLATFORM_BYTESWAP          0

/* Non-static memory, used with DMA pool */
#define MEM_SIZE                        (12 * 1024)

/* Raw interface not needed */
#define LWIP_RAW                        1

/* DHCP is ok, UDP is required with DHCP */
#define LWIP_DHCP                       0
#define LWIP_UDP                        1

/* Hostname can be used */
#define LWIP_NETIF_HOSTNAME             1

#define LWIP_BROADCAST_PING             1

/* MSS should match the hardware packet size */
#define TCP_MSS                         1460
#define TCP_SND_BUF                     (2 * TCP_MSS)

#define LWIP_SOCKET                     0
#define LWIP_NETCONN                    0
#define MEMP_NUM_SYS_TIMEOUT            300

#define LWIP_STATS                      0
#define LINK_STATS                      0
#define LWIP_STATS_DISPLAY              0

/* There are more *_DEBUG options that can be selected.
   See opts.h. Make sure that LWIP_DEBUG is defined when
   building the code to use debug. */
#define TCP_DEBUG                       LWIP_DBG_OFF
#define ETHARP_DEBUG                    LWIP_DBG_OFF
#define PBUF_DEBUG                      LWIP_DBG_OFF
#define IP_DEBUG                        LWIP_DBG_OFF
#define TCPIP_DEBUG                     LWIP_DBG_OFF
#define DHCP_DEBUG                      LWIP_DBG_OFF
#define UDP_DEBUG                       LWIP_DBG_OFF

/* This define is custom for the LPC EMAC driver. Enabled it to
   get debug messages for the driver. */
#define EMAC_DEBUG                    LWIP_DBG_OFF

#define MEM_LIBC_MALLOC                 1
#define MEMP_MEM_MALLOC                 1

/* Needed for malloc/free */
#include "ciaaPOSIX_stdlib.h"
#define malloc ciaaPOSIX_malloc
#define free ciaaPOSIX_free

#endif /* __LWIPOPTS_H_ */
