/* * \brief Configuration file for LwIP, adapt it to your needs. * \author Stefan Kalkowski * \date 2009-11-10 */ /* * Copyright (C) 2009-2013 Genode Labs GmbH * * This file is part of the Genode OS framework, which is distributed * under the terms of the GNU General Public License version 2. */ #ifndef __LWIP__LWIPOPTS_H__ #define __LWIP__LWIPOPTS_H__ #include #include #define NO_SYS 0 /* single-threaded? do not touch! */ #define SYS_LIGHTWEIGHT_PROT 1 /* do we provide lightweight protection */ #define LWIP_ARP 1 /* ARP support */ #define LWIP_RAW 0 /* LwIP raw API */ #define LWIP_UDP 1 /* UDP support */ #define LWIP_TCP 1 /* TCP support */ #define LWIP_DNS 1 /* DNS support */ #define LWIP_DHCP 1 /* DHCP support */ #define LWIP_SOCKET 1 /* LwIP socket API */ #define LWIP_COMPAT_SOCKETS 0 /* Libc compatibility layer */ #define LWIP_COMPAT_MUTEX 1 /* use binary semaphore instead of mutex */ #define LWIP_NETIF_API 1 /* Network interface API */ #define LWIP_NETIF_LOOPBACK 1 /* Looping back to same address? */ #define LWIP_HAVE_LOOPIF 1 /* 127.0.0.1 support ? */ #define LWIP_STATS 0 /* disable stating */ #define LWIP_STATS_DISPLAY 0 /* disable stating display function */ #define LWIP_SO_RCVTIMEO 1 /* support timeouts for socket recv */ #define LWIP_SO_SNDTIMEO 1 /* support timeouts for socket send */ #define LWIP_TCP_TIMESTAMPS 1 #define LWIP_SO_RCVBUF 1 /* enable SO_RCVBUF */ #define SO_REUSE 1 /* enable SO_REUSE */ #define LWIP_WND_SCALE 1 /* enable window scaling */ #define TCP_RCV_SCALE 2 /* receive scale factor IETF RFC 1323 */ #if LWIP_DHCP #define LWIP_NETIF_STATUS_CALLBACK 1 /* callback function used by DHCP init */ #endif /*********************************** ** Checksum calculation settings ** ***********************************/ /* checksum calculation for outgoing packets can be disabled if the hardware supports it */ #define CHECKSUM_GEN_IP 1 /* calculate checksum for outgoing IP packets */ #define CHECKSUM_GEN_TCP 1 /* calculate checksum for outgoing TCP packets */ #define CHECKSUM_CHECK_IP 1 /* check checksum of incoming IP packets */ #define CHECKSUM_CHECK_TCP 1 /* check checksum of incoming TCP packets */ #define LWIP_CHECKSUM_ON_COPY 1 /* calculate checksum during memcpy */ /********************* ** Memory settings ** *********************/ #define MEM_LIBC_MALLOC 1 #define MEMP_MEM_MALLOC 1 /* MEM_ALIGNMENT > 4 e.g. for x86_64 are not supported, see Genode issue #817 */ #define MEM_ALIGNMENT 4 #define DEFAULT_ACCEPTMBOX_SIZE 128 #define TCPIP_MBOX_SIZE 128 #define TCP_MSS 1460 #define TCP_WND (96 * TCP_MSS) /* * The window scale option (http://tools.ietf.org/html/rfc1323) patch of lwIP * definitely works solely for the receive window, not for the send window. * Setting the send window size to the maximum of an 16bit value, 65535, * or multiple of it (x * 65536 - 1) results in the same performance. * Everything else decrease performance. */ #define TCP_SND_BUF (65535) #define TCP_SND_QUEUELEN ((32 * (TCP_SND_BUF) + (TCP_MSS - 1))/(TCP_MSS)) #define RECV_BUFSIZE_DEFAULT 128 * 1024 #define PBUF_POOL_SIZE 96 /* * We reduce the maximum segment lifetime from one minute to one second to * avoid queuing up PCBs in TIME-WAIT state. This is the state, PCBs end up * after closing a TCP connection socket at the server side. The number of PCBs * in this state is apparently not limited by the value of 'MEMP_NUM_TCP_PCB'. * One allocation costs around 160 bytes. If clients connect to the server at a * high rate, those allocations accumulate quickly and thereby may exhaust the * memory of the server. By reducing the segment lifetime, PCBs in TIME-WAIT * state are cleaned up from the 'tcp_tw_pcbs' queue in a more timely fashion * (by 'tcp_slowtmr()'). */ #define TCP_MSL 1000UL #define MEMP_NUM_SYS_TIMEOUT 16 #define MEMP_NUM_TCP_PCB 128 #define MEMP_NUM_NETCONN (MEMP_NUM_TCP_PCB + MEMP_NUM_UDP_PCB + MEMP_NUM_RAW_PCB + MEMP_NUM_TCP_PCB_LISTEN - 1) void genode_memcpy(void * dst, const void *src, unsigned long size); #define MEMCPY(dst,src,len) genode_memcpy(dst,src,len) /******************** ** Debug settings ** ********************/ /* #define LWIP_DEBUG */ /* #define DHCP_DEBUG LWIP_DBG_ON */ /* #define ETHARP_DEBUG LWIP_DBG_ON */ /* #define NETIF_DEBUG LWIP_DBG_ON */ /* #define PBUF_DEBUG LWIP_DBG_ON */ /* #define API_LIB_DEBUG LWIP_DBG_ON */ /* #define API_MSG_DEBUG LWIP_DBG_ON */ /* #define SOCKETS_DEBUG LWIP_DBG_ON */ /* #define ICMP_DEBUG LWIP_DBG_ON */ /* #define INET_DEBUG LWIP_DBG_ON */ /* #define IP_DEBUG LWIP_DBG_ON */ /* #define IP_REASS_DEBUG LWIP_DBG_ON */ /* #define RAW_DEBUG LWIP_DBG_ON */ /* #define MEM_DEBUG LWIP_DBG_ON */ /* #define MEMP_DEBUG LWIP_DBG_ON */ /* #define SYS_DEBUG LWIP_DBG_ON */ /* #define TCP_DEBUG LWIP_DBG_ON */ #endif /* __LWIP__LWIPOPTS_H__ */