opt.h

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/*
 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
 * All rights reserved. 
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
 * OF SUCH DAMAGE.
 *
 * This file is part of the lwIP TCP/IP stack.
 * 
 * Author: Adam Dunkels <adam@sics.se>
 *
 */
#ifndef __LWIP_OPT_H__
#define __LWIP_OPT_H__

/*
 * Include user defined options first. Anything not defined in these files
 * will be set to standard values. Override anything you dont like!
 */
#include "lwipopts.h"
#include "lwip/debug.h"

/*
   -----------------------------------------------
   ---------- Platform specific locking ----------
   -----------------------------------------------
*/

#ifndef SYS_LIGHTWEIGHT_PROT
#define SYS_LIGHTWEIGHT_PROT            0
#endif

#ifndef NO_SYS
#define NO_SYS                          0
#endif

#ifndef NO_SYS_NO_TIMERS
#define NO_SYS_NO_TIMERS                0
#endif

#ifndef MEMCPY
#define MEMCPY(dst,src,len)             memcpy(dst,src,len)
#endif

#ifndef SMEMCPY
#define SMEMCPY(dst,src,len)            memcpy(dst,src,len)
#endif

/*
   ------------------------------------
   ---------- Memory options ----------
   ------------------------------------
*/
#ifndef MEM_LIBC_MALLOC
#define MEM_LIBC_MALLOC                 0
#endif

#ifndef MEMP_MEM_MALLOC
#define MEMP_MEM_MALLOC                 0
#endif

#ifndef MEM_ALIGNMENT
#define MEM_ALIGNMENT                   1
#endif

#ifndef MEM_SIZE
#define MEM_SIZE                        1600
#endif

#ifndef MEMP_SEPARATE_POOLS
#define MEMP_SEPARATE_POOLS             0
#endif

#ifndef MEMP_OVERFLOW_CHECK
#define MEMP_OVERFLOW_CHECK             0
#endif

#ifndef MEMP_SANITY_CHECK
#define MEMP_SANITY_CHECK               0
#endif

#ifndef MEM_USE_POOLS
#define MEM_USE_POOLS                   0
#endif

#ifndef MEM_USE_POOLS_TRY_BIGGER_POOL
#define MEM_USE_POOLS_TRY_BIGGER_POOL   0
#endif

#ifndef MEMP_USE_CUSTOM_POOLS
#define MEMP_USE_CUSTOM_POOLS           0
#endif

#ifndef LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
#define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0
#endif

/*
   ------------------------------------------------
   ---------- Internal Memory Pool Sizes ----------
   ------------------------------------------------
*/
#ifndef MEMP_NUM_PBUF
#define MEMP_NUM_PBUF                   16
#endif

#ifndef MEMP_NUM_RAW_PCB
#define MEMP_NUM_RAW_PCB                4
#endif

#ifndef MEMP_NUM_UDP_PCB
#define MEMP_NUM_UDP_PCB                4
#endif

#ifndef MEMP_NUM_TCP_PCB
#define MEMP_NUM_TCP_PCB                5
#endif

#ifndef MEMP_NUM_TCP_PCB_LISTEN
#define MEMP_NUM_TCP_PCB_LISTEN         8
#endif

#ifndef MEMP_NUM_TCP_SEG
#define MEMP_NUM_TCP_SEG                16
#endif

#ifndef MEMP_NUM_REASSDATA
#define MEMP_NUM_REASSDATA              5
#endif

#ifndef MEMP_NUM_FRAG_PBUF
#define MEMP_NUM_FRAG_PBUF              15
#endif

#ifndef MEMP_NUM_ARP_QUEUE
#define MEMP_NUM_ARP_QUEUE              30
#endif

#ifndef MEMP_NUM_IGMP_GROUP
#define MEMP_NUM_IGMP_GROUP             8
#endif

#ifndef MEMP_NUM_SYS_TIMEOUT
#define MEMP_NUM_SYS_TIMEOUT            3
#endif

#ifndef MEMP_NUM_NETBUF
#define MEMP_NUM_NETBUF                 2
#endif

#ifndef MEMP_NUM_NETCONN
#define MEMP_NUM_NETCONN                4
#endif

#ifndef MEMP_NUM_TCPIP_MSG_API
#define MEMP_NUM_TCPIP_MSG_API          8
#endif

#ifndef MEMP_NUM_TCPIP_MSG_INPKT
#define MEMP_NUM_TCPIP_MSG_INPKT        8
#endif

#ifndef MEMP_NUM_SNMP_NODE
#define MEMP_NUM_SNMP_NODE              50
#endif

#ifndef MEMP_NUM_SNMP_ROOTNODE
#define MEMP_NUM_SNMP_ROOTNODE          30
#endif

#ifndef MEMP_NUM_SNMP_VARBIND
#define MEMP_NUM_SNMP_VARBIND           2
#endif

#ifndef MEMP_NUM_SNMP_VALUE
#define MEMP_NUM_SNMP_VALUE             3
#endif

#ifndef MEMP_NUM_NETDB
#define MEMP_NUM_NETDB                  1
#endif

#ifndef MEMP_NUM_LOCALHOSTLIST
#define MEMP_NUM_LOCALHOSTLIST          1
#endif

#ifndef MEMP_NUM_PPPOE_INTERFACES
#define MEMP_NUM_PPPOE_INTERFACES       1
#endif

#ifndef PBUF_POOL_SIZE
#define PBUF_POOL_SIZE                  16
#endif

/*
   ---------------------------------
   ---------- ARP options ----------
   ---------------------------------
*/
#ifndef LWIP_ARP
#define LWIP_ARP                        1
#endif

#ifndef ARP_TABLE_SIZE
#define ARP_TABLE_SIZE                  10
#endif

#ifndef ARP_QUEUEING
#define ARP_QUEUEING                    0
#endif

#ifndef ETHARP_TRUST_IP_MAC
#define ETHARP_TRUST_IP_MAC             0
#endif

#ifndef ETHARP_SUPPORT_VLAN
#define ETHARP_SUPPORT_VLAN             0
#endif

#ifndef LWIP_ETHERNET
#define LWIP_ETHERNET                   (LWIP_ARP || PPPOE_SUPPORT)
#endif

#ifndef ETH_PAD_SIZE
#define ETH_PAD_SIZE                    0
#endif

#ifndef ETHARP_SUPPORT_STATIC_ENTRIES
#define ETHARP_SUPPORT_STATIC_ENTRIES   0
#endif


/*
   --------------------------------
   ---------- IP options ----------
   --------------------------------
*/
#ifndef IP_FORWARD
#define IP_FORWARD                      0
#endif

#ifndef IP_OPTIONS_ALLOWED
#define IP_OPTIONS_ALLOWED              1
#endif

#ifndef IP_REASSEMBLY
#define IP_REASSEMBLY                   1
#endif

#ifndef IP_FRAG
#define IP_FRAG                         1
#endif

#ifndef IP_REASS_MAXAGE
#define IP_REASS_MAXAGE                 3
#endif

#ifndef IP_REASS_MAX_PBUFS
#define IP_REASS_MAX_PBUFS              10
#endif

#ifndef IP_FRAG_USES_STATIC_BUF
#define IP_FRAG_USES_STATIC_BUF         0
#endif

#if IP_FRAG_USES_STATIC_BUF && !defined(IP_FRAG_MAX_MTU)
#define IP_FRAG_MAX_MTU                 1500
#endif

#ifndef IP_DEFAULT_TTL
#define IP_DEFAULT_TTL                  255
#endif

#ifndef IP_SOF_BROADCAST
#define IP_SOF_BROADCAST                0
#endif

#ifndef IP_SOF_BROADCAST_RECV
#define IP_SOF_BROADCAST_RECV           0
#endif

/*
   ----------------------------------
   ---------- ICMP options ----------
   ----------------------------------
*/
#ifndef LWIP_ICMP
#define LWIP_ICMP                       1
#endif

#ifndef ICMP_TTL
#define ICMP_TTL                       (IP_DEFAULT_TTL)
#endif

#ifndef LWIP_BROADCAST_PING
#define LWIP_BROADCAST_PING             0
#endif

#ifndef LWIP_MULTICAST_PING
#define LWIP_MULTICAST_PING             0
#endif

/*
   ---------------------------------
   ---------- RAW options ----------
   ---------------------------------
*/
#ifndef LWIP_RAW
#define LWIP_RAW                        1
#endif

#ifndef RAW_TTL
#define RAW_TTL                        (IP_DEFAULT_TTL)
#endif

/*
   ----------------------------------
   ---------- DHCP options ----------
   ----------------------------------
*/
#ifndef LWIP_DHCP
#define LWIP_DHCP                       0
#endif

#ifndef DHCP_DOES_ARP_CHECK
#define DHCP_DOES_ARP_CHECK             ((LWIP_DHCP) && (LWIP_ARP))
#endif

/*
   ------------------------------------
   ---------- AUTOIP options ----------
   ------------------------------------
*/
#ifndef LWIP_AUTOIP
#define LWIP_AUTOIP                     0
#endif

#ifndef LWIP_DHCP_AUTOIP_COOP
#define LWIP_DHCP_AUTOIP_COOP           0
#endif

#ifndef LWIP_DHCP_AUTOIP_COOP_TRIES
#define LWIP_DHCP_AUTOIP_COOP_TRIES     9
#endif

/*
   ----------------------------------
   ---------- SNMP options ----------
   ----------------------------------
*/
#ifndef LWIP_SNMP
#define LWIP_SNMP                       0
#endif

#ifndef SNMP_CONCURRENT_REQUESTS
#define SNMP_CONCURRENT_REQUESTS        1
#endif

#ifndef SNMP_TRAP_DESTINATIONS
#define SNMP_TRAP_DESTINATIONS          1
#endif

#ifndef SNMP_PRIVATE_MIB
#define SNMP_PRIVATE_MIB                0
#endif

#ifndef SNMP_SAFE_REQUESTS
#define SNMP_SAFE_REQUESTS              1
#endif

#ifndef SNMP_MAX_OCTET_STRING_LEN
#define SNMP_MAX_OCTET_STRING_LEN       127
#endif

#ifndef SNMP_MAX_TREE_DEPTH
#define SNMP_MAX_TREE_DEPTH             15
#endif

#ifndef SNMP_MAX_VALUE_SIZE
#define SNMP_MAX_VALUE_SIZE             LWIP_MAX((SNMP_MAX_OCTET_STRING_LEN)+1, sizeof(s32_t)*(SNMP_MAX_TREE_DEPTH))
#endif

/*
   ----------------------------------
   ---------- IGMP options ----------
   ----------------------------------
*/
#ifndef LWIP_IGMP
#define LWIP_IGMP                       0
#endif

/*
   ----------------------------------
   ---------- DNS options -----------
   ----------------------------------
*/
#ifndef LWIP_DNS
#define LWIP_DNS                        0
#endif

#ifndef DNS_TABLE_SIZE
#define DNS_TABLE_SIZE                  4
#endif

#ifndef DNS_MAX_NAME_LENGTH
#define DNS_MAX_NAME_LENGTH             256
#endif

#ifndef DNS_MAX_SERVERS
#define DNS_MAX_SERVERS                 2
#endif

#ifndef DNS_DOES_NAME_CHECK
#define DNS_DOES_NAME_CHECK             1
#endif

#ifndef DNS_MSG_SIZE
#define DNS_MSG_SIZE                    512
#endif

#ifndef DNS_LOCAL_HOSTLIST
#define DNS_LOCAL_HOSTLIST              0
#endif /* DNS_LOCAL_HOSTLIST */

#ifndef DNS_LOCAL_HOSTLIST_IS_DYNAMIC
#define DNS_LOCAL_HOSTLIST_IS_DYNAMIC   0
#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */

/*
   ---------------------------------
   ---------- UDP options ----------
   ---------------------------------
*/
#ifndef LWIP_UDP
#define LWIP_UDP                        1
#endif

#ifndef LWIP_UDPLITE
#define LWIP_UDPLITE                    0
#endif

#ifndef UDP_TTL
#define UDP_TTL                         (IP_DEFAULT_TTL)
#endif

#ifndef LWIP_NETBUF_RECVINFO
#define LWIP_NETBUF_RECVINFO            0
#endif

/*
   ---------------------------------
   ---------- TCP options ----------
   ---------------------------------
*/
#ifndef LWIP_TCP
#define LWIP_TCP                        1
#endif

#ifndef TCP_TTL
#define TCP_TTL                         (IP_DEFAULT_TTL)
#endif

#ifndef TCP_WND
#define TCP_WND                         (4 * TCP_MSS)
#endif 

#ifndef TCP_MAXRTX
#define TCP_MAXRTX                      12
#endif

#ifndef TCP_SYNMAXRTX
#define TCP_SYNMAXRTX                   6
#endif

#ifndef TCP_QUEUE_OOSEQ
#define TCP_QUEUE_OOSEQ                 (LWIP_TCP)
#endif

#ifndef TCP_MSS
#define TCP_MSS                         536
#endif

#ifndef TCP_CALCULATE_EFF_SEND_MSS
#define TCP_CALCULATE_EFF_SEND_MSS      1
#endif


#ifndef TCP_SND_BUF
#define TCP_SND_BUF                     256
#endif

#ifndef TCP_SND_QUEUELEN
#define TCP_SND_QUEUELEN                ((4 * (TCP_SND_BUF) + (TCP_MSS - 1))/(TCP_MSS))
#endif

#ifndef TCP_SNDLOWAT
#define TCP_SNDLOWAT                    ((TCP_SND_BUF)/2)
#endif

#ifndef TCP_SNDQUEUELOWAT
#define TCP_SNDQUEUELOWAT               ((TCP_SND_QUEUELEN)/2)
#endif

#ifndef TCP_LISTEN_BACKLOG
#define TCP_LISTEN_BACKLOG              0
#endif

#ifndef TCP_DEFAULT_LISTEN_BACKLOG
#define TCP_DEFAULT_LISTEN_BACKLOG      0xff
#endif

#ifndef TCP_OVERSIZE
#define TCP_OVERSIZE                    TCP_MSS
#endif

#ifndef LWIP_TCP_TIMESTAMPS
#define LWIP_TCP_TIMESTAMPS             0
#endif

#ifndef TCP_WND_UPDATE_THRESHOLD
#define TCP_WND_UPDATE_THRESHOLD   (TCP_WND / 4)
#endif

#ifndef LWIP_EVENT_API
#define LWIP_EVENT_API                  0
#define LWIP_CALLBACK_API               1
#else 
#define LWIP_EVENT_API                  1
#define LWIP_CALLBACK_API               0
#endif


/*
   ----------------------------------
   ---------- Pbuf options ----------
   ----------------------------------
*/
#ifndef PBUF_LINK_HLEN
#define PBUF_LINK_HLEN                  (14 + ETH_PAD_SIZE)
#endif

#ifndef PBUF_POOL_BUFSIZE
#define PBUF_POOL_BUFSIZE               LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN)
#endif

/*
   ------------------------------------------------
   ---------- Network Interfaces options ----------
   ------------------------------------------------
*/
#ifndef LWIP_NETIF_HOSTNAME
#define LWIP_NETIF_HOSTNAME             0
#endif

#ifndef LWIP_NETIF_API
#define LWIP_NETIF_API                  0
#endif

#ifndef LWIP_NETIF_STATUS_CALLBACK
#define LWIP_NETIF_STATUS_CALLBACK      0
#endif

#ifndef LWIP_NETIF_LINK_CALLBACK
#define LWIP_NETIF_LINK_CALLBACK        0
#endif

#ifndef LWIP_NETIF_HWADDRHINT
#define LWIP_NETIF_HWADDRHINT           0
#endif

#ifndef LWIP_NETIF_LOOPBACK
#define LWIP_NETIF_LOOPBACK             0
#endif

#ifndef LWIP_LOOPBACK_MAX_PBUFS
#define LWIP_LOOPBACK_MAX_PBUFS         0
#endif

#ifndef LWIP_NETIF_LOOPBACK_MULTITHREADING
#define LWIP_NETIF_LOOPBACK_MULTITHREADING    (!NO_SYS)
#endif

#ifndef LWIP_NETIF_TX_SINGLE_PBUF
#define LWIP_NETIF_TX_SINGLE_PBUF             0
#endif /* LWIP_NETIF_TX_SINGLE_PBUF */

/*
   ------------------------------------
   ---------- LOOPIF options ----------
   ------------------------------------
*/
#ifndef LWIP_HAVE_LOOPIF
#define LWIP_HAVE_LOOPIF                0
#endif

/*
   ------------------------------------
   ---------- SLIPIF options ----------
   ------------------------------------
*/
#ifndef LWIP_HAVE_SLIPIF
#define LWIP_HAVE_SLIPIF                0
#endif

/*
   ------------------------------------
   ---------- Thread options ----------
   ------------------------------------
*/
#ifndef TCPIP_THREAD_NAME
#define TCPIP_THREAD_NAME              "tcpip_thread"
#endif

#ifndef TCPIP_THREAD_STACKSIZE
#define TCPIP_THREAD_STACKSIZE          0
#endif

#ifndef TCPIP_THREAD_PRIO
#define TCPIP_THREAD_PRIO               1
#endif

#ifndef TCPIP_MBOX_SIZE
#define TCPIP_MBOX_SIZE                 0
#endif

#ifndef SLIPIF_THREAD_NAME
#define SLIPIF_THREAD_NAME             "slipif_loop"
#endif

#ifndef SLIPIF_THREAD_STACKSIZE
#define SLIPIF_THREAD_STACKSIZE         0
#endif

#ifndef SLIPIF_THREAD_PRIO
#define SLIPIF_THREAD_PRIO              1
#endif

#ifndef PPP_THREAD_NAME
#define PPP_THREAD_NAME                "pppInputThread"
#endif

#ifndef PPP_THREAD_STACKSIZE
#define PPP_THREAD_STACKSIZE            0
#endif

#ifndef PPP_THREAD_PRIO
#define PPP_THREAD_PRIO                 1
#endif

#ifndef DEFAULT_THREAD_NAME
#define DEFAULT_THREAD_NAME            "lwIP"
#endif

#ifndef DEFAULT_THREAD_STACKSIZE
#define DEFAULT_THREAD_STACKSIZE        0
#endif

#ifndef DEFAULT_THREAD_PRIO
#define DEFAULT_THREAD_PRIO             1
#endif

#ifndef DEFAULT_RAW_RECVMBOX_SIZE
#define DEFAULT_RAW_RECVMBOX_SIZE       0
#endif

#ifndef DEFAULT_UDP_RECVMBOX_SIZE
#define DEFAULT_UDP_RECVMBOX_SIZE       0
#endif

#ifndef DEFAULT_TCP_RECVMBOX_SIZE
#define DEFAULT_TCP_RECVMBOX_SIZE       0
#endif

#ifndef DEFAULT_ACCEPTMBOX_SIZE
#define DEFAULT_ACCEPTMBOX_SIZE         0
#endif

/*
   ----------------------------------------------
   ---------- Sequential layer options ----------
   ----------------------------------------------
*/
#ifndef LWIP_TCPIP_CORE_LOCKING
#define LWIP_TCPIP_CORE_LOCKING         0
#endif

#ifndef LWIP_TCPIP_CORE_LOCKING_INPUT
#define LWIP_TCPIP_CORE_LOCKING_INPUT   0
#endif

#ifndef LWIP_NETCONN
#define LWIP_NETCONN                    1
#endif

#ifndef LWIP_TCPIP_TIMEOUT
#define LWIP_TCPIP_TIMEOUT              1
#endif

/*
   ------------------------------------
   ---------- Socket options ----------
   ------------------------------------
*/
#ifndef LWIP_SOCKET
#define LWIP_SOCKET                     1
#endif

#ifndef LWIP_COMPAT_SOCKETS
#define LWIP_COMPAT_SOCKETS             1
#endif

#ifndef LWIP_POSIX_SOCKETS_IO_NAMES
#define LWIP_POSIX_SOCKETS_IO_NAMES     1
#endif

#ifndef LWIP_TCP_KEEPALIVE
#define LWIP_TCP_KEEPALIVE              0
#endif

#ifndef LWIP_SO_RCVTIMEO
#define LWIP_SO_RCVTIMEO                0
#endif

#ifndef LWIP_SO_RCVBUF
#define LWIP_SO_RCVBUF                  0
#endif

#ifndef RECV_BUFSIZE_DEFAULT
#define RECV_BUFSIZE_DEFAULT            INT_MAX
#endif

#ifndef SO_REUSE
#define SO_REUSE                        0
#endif

#ifndef SO_REUSE_RXTOALL
#define SO_REUSE_RXTOALL                0
#endif

/*
   ----------------------------------------
   ---------- Statistics options ----------
   ----------------------------------------
*/
#ifndef LWIP_STATS
#define LWIP_STATS                      1
#endif

#if LWIP_STATS

#ifndef LWIP_STATS_DISPLAY
#define LWIP_STATS_DISPLAY              0
#endif

#ifndef LINK_STATS
#define LINK_STATS                      1
#endif

#ifndef ETHARP_STATS
#define ETHARP_STATS                    (LWIP_ARP)
#endif

#ifndef IP_STATS
#define IP_STATS                        1
#endif

#ifndef IPFRAG_STATS
#define IPFRAG_STATS                    (IP_REASSEMBLY || IP_FRAG)
#endif

#ifndef ICMP_STATS
#define ICMP_STATS                      1
#endif

#ifndef IGMP_STATS
#define IGMP_STATS                      (LWIP_IGMP)
#endif

#ifndef UDP_STATS
#define UDP_STATS                       (LWIP_UDP)
#endif

#ifndef TCP_STATS
#define TCP_STATS                       (LWIP_TCP)
#endif

#ifndef MEM_STATS
#define MEM_STATS                       ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0))
#endif

#ifndef MEMP_STATS
#define MEMP_STATS                      (MEMP_MEM_MALLOC == 0)
#endif

#ifndef SYS_STATS
#define SYS_STATS                       (NO_SYS == 0)
#endif

#else

#define LINK_STATS                      0
#define IP_STATS                        0
#define IPFRAG_STATS                    0
#define ICMP_STATS                      0
#define IGMP_STATS                      0
#define UDP_STATS                       0
#define TCP_STATS                       0
#define MEM_STATS                       0
#define MEMP_STATS                      0
#define SYS_STATS                       0
#define LWIP_STATS_DISPLAY              0

#endif /* LWIP_STATS */

/*
   ---------------------------------
   ---------- PPP options ----------
   ---------------------------------
*/
#ifndef PPP_SUPPORT
#define PPP_SUPPORT                     0
#endif

#ifndef PPPOE_SUPPORT
#define PPPOE_SUPPORT                   0
#endif

#ifndef PPPOS_SUPPORT
#define PPPOS_SUPPORT                   PPP_SUPPORT
#endif

#if PPP_SUPPORT

#ifndef NUM_PPP
#define NUM_PPP                         1
#endif

#ifndef PAP_SUPPORT
#define PAP_SUPPORT                     0
#endif

#ifndef CHAP_SUPPORT
#define CHAP_SUPPORT                    0
#endif

#ifndef MSCHAP_SUPPORT
#define MSCHAP_SUPPORT                  0
#endif

#ifndef CBCP_SUPPORT
#define CBCP_SUPPORT                    0
#endif

#ifndef CCP_SUPPORT
#define CCP_SUPPORT                     0
#endif

#ifndef VJ_SUPPORT
#define VJ_SUPPORT                      0
#endif

#ifndef MD5_SUPPORT
#define MD5_SUPPORT                     0
#endif

/*
 * Timeouts
 */
#ifndef FSM_DEFTIMEOUT
#define FSM_DEFTIMEOUT                  6       /* Timeout time in seconds */
#endif

#ifndef FSM_DEFMAXTERMREQS
#define FSM_DEFMAXTERMREQS              2       /* Maximum Terminate-Request transmissions */
#endif

#ifndef FSM_DEFMAXCONFREQS
#define FSM_DEFMAXCONFREQS              10      /* Maximum Configure-Request transmissions */
#endif

#ifndef FSM_DEFMAXNAKLOOPS
#define FSM_DEFMAXNAKLOOPS              5       /* Maximum number of nak loops */
#endif

#ifndef UPAP_DEFTIMEOUT
#define UPAP_DEFTIMEOUT                 6       /* Timeout (seconds) for retransmitting req */
#endif

#ifndef UPAP_DEFREQTIME
#define UPAP_DEFREQTIME                 30      /* Time to wait for auth-req from peer */
#endif

#ifndef CHAP_DEFTIMEOUT
#define CHAP_DEFTIMEOUT                 6       /* Timeout time in seconds */
#endif

#ifndef CHAP_DEFTRANSMITS
#define CHAP_DEFTRANSMITS               10      /* max # times to send challenge */
#endif

/* Interval in seconds between keepalive echo requests, 0 to disable. */
#ifndef LCP_ECHOINTERVAL
#define LCP_ECHOINTERVAL                0
#endif

/* Number of unanswered echo requests before failure. */
#ifndef LCP_MAXECHOFAILS
#define LCP_MAXECHOFAILS                3
#endif

/* Max Xmit idle time (in jiffies) before resend flag char. */
#ifndef PPP_MAXIDLEFLAG
#define PPP_MAXIDLEFLAG                 100
#endif

/*
 * Packet sizes
 *
 * Note - lcp shouldn't be allowed to negotiate stuff outside these
 *    limits.  See lcp.h in the pppd directory.
 * (XXX - these constants should simply be shared by lcp.c instead
 *    of living in lcp.h)
 */
#define PPP_MTU                         1500     /* Default MTU (size of Info field) */
#ifndef PPP_MAXMTU
/* #define PPP_MAXMTU  65535 - (PPP_HDRLEN + PPP_FCSLEN) */
#define PPP_MAXMTU                      1500 /* Largest MTU we allow */
#endif
#define PPP_MINMTU                      64
#define PPP_MRU                         1500     /* default MRU = max length of info field */
#define PPP_MAXMRU                      1500     /* Largest MRU we allow */
#ifndef PPP_DEFMRU
#define PPP_DEFMRU                      296             /* Try for this */
#endif
#define PPP_MINMRU                      128             /* No MRUs below this */

#ifndef MAXNAMELEN
#define MAXNAMELEN                      256     /* max length of hostname or name for auth */
#endif
#ifndef MAXSECRETLEN
#define MAXSECRETLEN                    256     /* max length of password or secret */
#endif

#endif /* PPP_SUPPORT */

/*
   --------------------------------------
   ---------- Checksum options ----------
   --------------------------------------
*/
#ifndef CHECKSUM_GEN_IP
#define CHECKSUM_GEN_IP                 1
#endif
 
#ifndef CHECKSUM_GEN_UDP
#define CHECKSUM_GEN_UDP                1
#endif
 
#ifndef CHECKSUM_GEN_TCP
#define CHECKSUM_GEN_TCP                1
#endif
 
#ifndef CHECKSUM_CHECK_IP
#define CHECKSUM_CHECK_IP               1
#endif
 
#ifndef CHECKSUM_CHECK_UDP
#define CHECKSUM_CHECK_UDP              1
#endif

#ifndef CHECKSUM_CHECK_TCP
#define CHECKSUM_CHECK_TCP              1
#endif

#ifndef LWIP_CHECKSUM_ON_COPY
#define LWIP_CHECKSUM_ON_COPY           0
#endif

/*
   ---------------------------------------
   ---------- Debugging options ----------
   ---------------------------------------
*/
#ifndef LWIP_DBG_MIN_LEVEL
#define LWIP_DBG_MIN_LEVEL              LWIP_DBG_LEVEL_ALL
#endif

#ifndef LWIP_DBG_TYPES_ON
#define LWIP_DBG_TYPES_ON               LWIP_DBG_ON
#endif

#ifndef ETHARP_DEBUG
#define ETHARP_DEBUG                    LWIP_DBG_OFF
#endif

#ifndef NETIF_DEBUG
#define NETIF_DEBUG                     LWIP_DBG_OFF
#endif

#ifndef PBUF_DEBUG
#define PBUF_DEBUG                      LWIP_DBG_OFF
#endif

#ifndef API_LIB_DEBUG
#define API_LIB_DEBUG                   LWIP_DBG_OFF
#endif

#ifndef API_MSG_DEBUG
#define API_MSG_DEBUG                   LWIP_DBG_OFF
#endif

#ifndef SOCKETS_DEBUG
#define SOCKETS_DEBUG                   LWIP_DBG_OFF
#endif

#ifndef ICMP_DEBUG
#define ICMP_DEBUG                      LWIP_DBG_OFF
#endif

#ifndef IGMP_DEBUG
#define IGMP_DEBUG                      LWIP_DBG_OFF
#endif

#ifndef INET_DEBUG
#define INET_DEBUG                      LWIP_DBG_OFF
#endif

#ifndef IP_DEBUG
#define IP_DEBUG                        LWIP_DBG_OFF
#endif

#ifndef IP_REASS_DEBUG
#define IP_REASS_DEBUG                  LWIP_DBG_OFF
#endif

#ifndef RAW_DEBUG
#define RAW_DEBUG                       LWIP_DBG_OFF
#endif

#ifndef MEM_DEBUG
#define MEM_DEBUG                       LWIP_DBG_OFF
#endif

#ifndef MEMP_DEBUG
#define MEMP_DEBUG                      LWIP_DBG_OFF
#endif

#ifndef SYS_DEBUG
#define SYS_DEBUG                       LWIP_DBG_OFF
#endif

#ifndef TIMERS_DEBUG
#define TIMERS_DEBUG                    LWIP_DBG_OFF
#endif

#ifndef TCP_DEBUG
#define TCP_DEBUG                       LWIP_DBG_OFF
#endif

#ifndef TCP_INPUT_DEBUG
#define TCP_INPUT_DEBUG                 LWIP_DBG_OFF
#endif

#ifndef TCP_FR_DEBUG
#define TCP_FR_DEBUG                    LWIP_DBG_OFF
#endif

#ifndef TCP_RTO_DEBUG
#define TCP_RTO_DEBUG                   LWIP_DBG_OFF
#endif

#ifndef TCP_CWND_DEBUG
#define TCP_CWND_DEBUG                  LWIP_DBG_OFF
#endif

#ifndef TCP_WND_DEBUG
#define TCP_WND_DEBUG                   LWIP_DBG_OFF
#endif

#ifndef TCP_OUTPUT_DEBUG
#define TCP_OUTPUT_DEBUG                LWIP_DBG_OFF
#endif

#ifndef TCP_RST_DEBUG
#define TCP_RST_DEBUG                   LWIP_DBG_OFF
#endif

#ifndef TCP_QLEN_DEBUG
#define TCP_QLEN_DEBUG                  LWIP_DBG_OFF
#endif

#ifndef UDP_DEBUG
#define UDP_DEBUG                       LWIP_DBG_OFF
#endif

#ifndef TCPIP_DEBUG
#define TCPIP_DEBUG                     LWIP_DBG_OFF
#endif

#ifndef PPP_DEBUG
#define PPP_DEBUG                       LWIP_DBG_OFF
#endif

#ifndef SLIP_DEBUG
#define SLIP_DEBUG                      LWIP_DBG_OFF
#endif

#ifndef DHCP_DEBUG
#define DHCP_DEBUG                      LWIP_DBG_OFF
#endif

#ifndef AUTOIP_DEBUG
#define AUTOIP_DEBUG                    LWIP_DBG_OFF
#endif

#ifndef SNMP_MSG_DEBUG
#define SNMP_MSG_DEBUG                  LWIP_DBG_OFF
#endif

#ifndef SNMP_MIB_DEBUG
#define SNMP_MIB_DEBUG                  LWIP_DBG_OFF
#endif

#ifndef DNS_DEBUG
#define DNS_DEBUG                       LWIP_DBG_OFF
#endif

#endif /* __LWIP_OPT_H__ */