File content as of revision 4:d3db4ee30723:

/* lwipopts.h */
/*
 Copyright (C) 2012 ARM Limited.

 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.
 */

#ifndef LWIPOPTS_H_
#define LWIPOPTS_H_
 
#include "lwipopts_common.h" //Get common options

#define MEM_SIZE 16362 //Needs a huge buffer pool

#define LWIP_ARP 1 //Enable ARP

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

/* No padding needed */
#define ETH_PAD_SIZE                    0

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

#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

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

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

#define LWIP_BROADCAST_PING       1

#endif /* LWIPOPTS_H_ */