lwipopts.h

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/*  If changes are made to this file, please update the defined
    values at the bottom of common/include/tcpip.h too. */

#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__
 
#define LWIP_TIMEVAL_PRIVATE 0
 
/* ---------- Thread options ---------- */
#define DEFAULT_THREAD_STACKSIZE    0x600

#define DEFAULT_THREAD_PRIO     0x18

#define TCPIP_THREAD_STACKSIZE      DEFAULT_THREAD_STACKSIZE

#define TCPIP_THREAD_PRIO       DEFAULT_THREAD_PRIO
 
/*
   ------------------------------------
   ---------- Memory options ----------
   ------------------------------------
*/
/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
   lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
   byte alignment -> define MEM_ALIGNMENT to 2. */
#define MEM_ALIGNMENT       4

#define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT  1

/*  SP193: setting this too low may cause tcp_write() to fail when it tries to allocate from PBUF_RAM!
    Up to TCP_SND_BUF * 2 segments may be transmitted at once, thanks to Nagle and Delayed Ack. */
#define MEM_SIZE        (TCP_SND_BUF * 2)
 
/*
   -----------------------------------------------
   ---------- IP options -------------------------
   -----------------------------------------------
*/
#define IP_REASSEMBLY       0

#define IP_FRAG         0
 
/*
   ------------------------------------------------
   ---------- Internal Memory Pool Sizes ----------
   ------------------------------------------------
*/
#define MEMP_NUM_TCPIP_MSG_INPKT    24

#define MEMP_NUM_NETCONN       (MEMP_NUM_TCP_PCB+MEMP_NUM_UDP_PCB)

#define PBUF_POOL_SIZE      32  //SP193: should be at least ((TCP_WND/PBUF_POOL_BUFSIZE)+1). But that is too small to handle simultaneous connections.

#define LWIP_TCPIP_CORE_LOCKING     1

#define LWIP_TCPIP_CORE_LOCKING_INPUT   1
 
/*
   ---------------------------------
   ---------- TCP options ----------
   ---------------------------------
*/
/* TCP Maximum segment size. */
#define TCP_MSS                 1460
 
/* TCP sender buffer space (bytes). */
#define TCP_SND_BUF             (TCP_MSS*4)
 
/* TCP receive window. */
#define TCP_WND                 32768
 
/* ---------- DHCP options ---------- */
#ifdef PS2IP_DHCP
#define LWIP_DHCP       1
#endif

#define LWIP_DHCP_DOES_ACD_CHECK    0
#define LWIP_ACD            0
 
/*
   ----------------------------------
   ---------- DNS options -----------
   ----------------------------------
*/
#ifdef PS2IP_DNS
#define LWIP_DNS    1
#endif
 
/* ---------- Statistics options ---------- */
#define LWIP_STATS  0
 
/*
   --------------------------------------
   ---------- Checksum options ----------
   --------------------------------------
*/
//Rely on the Ethernet checksums to reduce the number of checksum compuations. If you require any of these, re-enable them.
#define CHECKSUM_CHECK_IP   0

#define CHECKSUM_CHECK_UDP  0

#define CHECKSUM_CHECK_TCP  0

#define CHECKSUM_CHECK_ICMP 0

#define CHECKSUM_CHECK_ICMP6    0

#define LWIP_CHECKSUM_ON_COPY   1
 
/*
   ------------------------------------
   ---------- Socket options ----------
   ------------------------------------
*/
#define LWIP_POSIX_SOCKETS_IO_NAMES 0
 
/*
   ----------------------------------
   ---------- DNS options -----------
   ----------------------------------
*/
#define LWIP_DNS_SECURE 0
 
/*
   ------------------------------------------------
   ---------- Network Interfaces options ----------
   ------------------------------------------------
*/
#define LWIP_NETIF_TX_SINGLE_PBUF             1
 
#endif /* __LWIPOPTS_H__ */