/**
 * PPPOE_SUPPORT==1: Enable PPP Over Ethernet
 */
#ifndef PPPOE_SUPPORT
#define PPPOE_SUPPORT                   0
#endif

/**
 * PPPOS_SUPPORT==1: Enable PPP Over Serial
 */
#ifndef PPPOS_SUPPORT
#define PPPOS_SUPPORT                   PPP_SUPPORT
#endif

#if PPP_SUPPORT

/**
 * NUM_PPP: Max PPP sessions.
 */
#ifndef NUM_PPP
#define NUM_PPP                         1
#endif

/**
 * PAP_SUPPORT==1: Support PAP.
 */
#ifndef PAP_SUPPORT
#define PAP_SUPPORT                     0
#endif

/**
 * CHAP_SUPPORT==1: Support CHAP.
 */
#ifndef CHAP_SUPPORT
#define CHAP_SUPPORT                    0
#endif

/**
 * MSCHAP_SUPPORT==1: Support MSCHAP. CURRENTLY NOT SUPPORTED! DO NOT SET!
 */
#ifndef MSCHAP_SUPPORT
#define MSCHAP_SUPPORT                  0
#endif

/**
 * CBCP_SUPPORT==1: Support CBCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
 */
#ifndef CBCP_SUPPORT
#define CBCP_SUPPORT                    0
#endif

/**
 * CCP_SUPPORT==1: Support CCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
 */
#ifndef CCP_SUPPORT
#define CCP_SUPPORT                     0
#endif

/**
 * VJ_SUPPORT==1: Support VJ header compression.
 */
#ifndef VJ_SUPPORT
#define VJ_SUPPORT                      0
#endif

/**
 * MD5_SUPPORT==1: Support MD5 (see also CHAP).
 */
#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 */


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

#endif /* PPP_SUPPORT */

/*
   --------------------------------------
   ---------- Checksum options ----------
   --------------------------------------
*/
/**
 * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.
 */
#ifndef CHECKSUM_GEN_IP
#define CHECKSUM_GEN_IP                 1
#endif
 
/**
 * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.
 */
#ifndef CHECKSUM_GEN_UDP
#define CHECKSUM_GEN_UDP                1
#endif
 
/**
 * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.
 */
#ifndef CHECKSUM_GEN_TCP
#define CHECKSUM_GEN_TCP                1
#endif
 
/**
 * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.
 */
#ifndef CHECKSUM_CHECK_IP
#define CHECKSUM_CHECK_IP               1
#endif
 
/**
 * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.
 */
#ifndef CHECKSUM_CHECK_UDP
#define CHECKSUM_CHECK_UDP              1
#endif

/**
 * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.
 */
#ifndef CHECKSUM_CHECK_TCP
#define CHECKSUM_CHECK_TCP              1
#endif

/*
   ---------------------------------------
   ---------- Debugging options ----------
   ---------------------------------------
*/
/**
 * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is
 * compared against this value. If it is smaller, then debugging
 * messages are written.
 */
#ifndef LWIP_DBG_MIN_LEVEL
#define LWIP_DBG_MIN_LEVEL              LWIP_DBG_LEVEL_OFF
#endif

/**
 * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable
 * debug messages of certain types.
 */
#ifndef LWIP_DBG_TYPES_ON
#define LWIP_DBG_TYPES_ON               LWIP_DBG_ON
#endif

/**
 * ETHARP_DEBUG: Enable debugging in etharp.c.
 */
#ifndef ETHARP_DEBUG
#define ETHARP_DEBUG                    LWIP_DBG_OFF
#endif

/**
 * NETIF_DEBUG: Enable debugging in netif.c.
 */
#ifndef NETIF_DEBUG
#define NETIF_DEBUG                     LWIP_DBG_OFF
#endif

/**
 * PBUF_DEBUG: Enable debugging in pbuf.c.
 */
#ifndef PBUF_DEBUG
#define PBUF_DEBUG                      LWIP_DBG_OFF
#endif

/**
 * API_LIB_DEBUG: Enable debugging in api_lib.c.
 */
#ifndef API_LIB_DEBUG
#define API_LIB_DEBUG                   LWIP_DBG_OFF
#endif

/**
 * API_MSG_DEBUG: Enable debugging in api_msg.c.
 */
#ifndef API_MSG_DEBUG
#define API_MSG_DEBUG                   LWIP_DBG_OFF
#endif

/**
 * SOCKETS_DEBUG: Enable debugging in sockets.c.
 */
#ifndef SOCKETS_DEBUG
#define SOCKETS_DEBUG                   LWIP_DBG_OFF
#endif

/**
 * ICMP_DEBUG: Enable debugging in icmp.c.
 */
#ifndef ICMP_DEBUG
#define ICMP_DEBUG                      LWIP_DBG_OFF
#endif

/**
 * IGMP_DEBUG: Enable debugging in igmp.c.
 */
#ifndef IGMP_DEBUG
#define IGMP_DEBUG                      LWIP_DBG_OFF
#endif

/**
 * INET_DEBUG: Enable debugging in inet.c.
 */
#ifndef INET_DEBUG
#define INET_DEBUG                      LWIP_DBG_OFF
#endif

/**
 * IP_DEBUG: Enable debugging for IP.
 */
#ifndef IP_DEBUG
#define IP_DEBUG                        LWIP_DBG_OFF
#endif

/**
 * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass.
 */
#ifndef IP_REASS_DEBUG
#define IP_REASS_DEBUG                  LWIP_DBG_OFF
#endif

/**
 * RAW_DEBUG: Enable debugging in raw.c.
 */
#ifndef RAW_DEBUG
#define RAW_DEBUG                       LWIP_DBG_OFF
#endif

/**
 * MEM_DEBUG: Enable debugging in mem.c.
 */
#ifndef MEM_DEBUG
#define MEM_DEBUG                       LWIP_DBG_OFF
#endif

/**
 * MEMP_DEBUG: Enable debugging in memp.c.
 */
#ifndef MEMP_DEBUG
#define MEMP_DEBUG                      LWIP_DBG_OFF
#endif

/**
 * SYS_DEBUG: Enable debugging in sys.c.
 */
#ifndef SYS_DEBUG
#define SYS_DEBUG                       LWIP_DBG_OFF
#endif

/**
 * TCP_DEBUG: Enable debugging for TCP.
 */
#ifndef TCP_DEBUG
#define TCP_DEBUG                       LWIP_DBG_OFF
#endif

/**
 * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug.
 */
#ifndef TCP_INPUT_DEBUG
#define TCP_INPUT_DEBUG                 LWIP_DBG_OFF
#endif

/**
 * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit.
 */
#ifndef TCP_FR_DEBUG
#define TCP_FR_DEBUG                    LWIP_DBG_OFF
#endif

/**
 * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit
 * timeout.
 */
#ifndef TCP_RTO_DEBUG
#define TCP_RTO_DEBUG                   LWIP_DBG_OFF
#endif

/**
 * TCP_CWND_DEBUG: Enable debugging for TCP congestion window.
 */
#ifndef TCP_CWND_DEBUG
#define TCP_CWND_DEBUG                  LWIP_DBG_OFF
#endif

/**
 * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating.
 */
#ifndef TCP_WND_DEBUG
#define TCP_WND_DEBUG                   LWIP_DBG_OFF
#endif

/**
 * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions.
 */
#ifndef TCP_OUTPUT_DEBUG
#define TCP_OUTPUT_DEBUG                LWIP_DBG_OFF
#endif

/**
 * TCP_RST_DEBUG: Enable debugging for TCP with the RST message.
 */
#ifndef TCP_RST_DEBUG
#define TCP_RST_DEBUG                   LWIP_DBG_OFF
#endif

/**
 * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths.
 */
#ifndef TCP_QLEN_DEBUG
#define TCP_QLEN_DEBUG                  LWIP_DBG_OFF
#endif

/**
 * UDP_DEBUG: Enable debugging in UDP.
 */
#ifndef UDP_DEBUG
#define UDP_DEBUG                       LWIP_DBG_OFF
#endif

/**
 * TCPIP_DEBUG: Enable debugging in tcpip.c.
 */
#ifndef TCPIP_DEBUG
#define TCPIP_DEBUG                     LWIP_DBG_OFF
#endif

/**
 * PPP_DEBUG: Enable debugging for PPP.
 */
#ifndef PPP_DEBUG
#define PPP_DEBUG                       LWIP_DBG_OFF
#endif

/**
 * SLIP_DEBUG: Enable debugging in slipif.c.
 */
#ifndef SLIP_DEBUG
#define SLIP_DEBUG                      LWIP_DBG_OFF
#endif

/**
 * DHCP_DEBUG: Enable debugging in dhcp.c.
 */
#ifndef DHCP_DEBUG
#define DHCP_DEBUG                      LWIP_DBG_OFF
#endif

/**
 * AUTOIP_DEBUG: Enable debugging in autoip.c.
 */
#ifndef AUTOIP_DEBUG
#define AUTOIP_DEBUG                    LWIP_DBG_OFF
#endif

/**
 * SNMP_MSG_DEBUG: Enable debugging for SNMP messages.
 */
#ifndef SNMP_MSG_DEBUG
#define SNMP_MSG_DEBUG                  LWIP_DBG_OFF
#endif

/**
 * SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs.
 */
#ifndef SNMP_MIB_DEBUG
#define SNMP_MIB_DEBUG                  LWIP_DBG_OFF
#endif

/**
 * DNS_DEBUG: Enable debugging for DNS.
 */
#ifndef DNS_DEBUG
#define DNS_DEBUG                       LWIP_DBG_OFF
#endif

#endif /* __LWIP_OPT_H__ */