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Diffstat (limited to '')
| -rw-r--r-- | src/VBox/NetworkServices/NAT/lwipopts.h | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/src/VBox/NetworkServices/NAT/lwipopts.h b/src/VBox/NetworkServices/NAT/lwipopts.h new file mode 100644 index 00000000..51c8b916 --- /dev/null +++ b/src/VBox/NetworkServices/NAT/lwipopts.h @@ -0,0 +1,205 @@ +/* $Id: lwipopts.h $ */ +/** @file + * NAT Network - lwIP configuration options. + */ + +/* + * Copyright (C) 2013-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + */ + +#ifndef VBOX_INCLUDED_SRC_NAT_lwipopts_h +#define VBOX_INCLUDED_SRC_NAT_lwipopts_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <VBox/cdefs.h> /* For VBOX_STRICT. */ +#include <iprt/mem.h> +#include <iprt/alloca.h> /* This may include malloc.h (msc), which is something that has + * to be done before redefining any of the functions therein. */ +#include <iprt/rand.h> /* see LWIP_RAND() definition */ + +/* lwip/sockets.h assumes that if FD_SET is defined (in case of Innotek GCC + * its definition is dragged through iprt/types.h) then struct timeval is + * defined as well, but it's not the case. So include it manually. */ +#ifdef RT_OS_OS2 +# include <sys/time.h> +#endif + +/** Make lwIP use the libc malloc, or more precisely (see below) the IPRT + * memory allocation functions. */ +#define MEM_LIBC_MALLOC 1 + +/** Set proper memory alignment. */ +#if HC_ARCH_BITS == 64 +# define MEM_ALIGNMENT 8 +#else +#define MEM_ALIGNMENT 4 +#endif + +/* Padding before Ethernet header to make IP header aligned */ +#define ETH_PAD_SIZE 2 + +/* IP */ +#define IP_REASSEMBLY 1 +#define IP_REASS_MAX_PBUFS 128 + + + +/** Increase maximum TCP window size. */ +#define TCP_WND 32768 + +/** Increase TCP maximum segment size. */ +#define TCP_MSS 1460 + +/** Enable queueing of out-of-order segments. */ +#define TCP_QUEUE_OOSEQ 1 + +/** TCP sender buffer space (bytes). */ +#define TCP_SND_BUF (32 * TCP_MSS) + +/* TCP sender buffer space (pbufs). This must be at least = 2 * + TCP_SND_BUF/TCP_MSS for things to work. */ +#define TCP_SND_QUEUELEN 128 + +/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application + sends a lot of data out of ROM (or other static memory), this + should be set high. + + NB: This is for PBUF_ROM and PBUF_REF pbufs only! + + Number of PBUF_POOL pbufs is controlled by PBUF_POOL_SIZE that, + somewhat confusingly, breaks MEMP_NUM_* pattern. + + PBUF_RAM pbufs are allocated with mem_malloc (with MEM_LIBC_MALLOC + set to 1 this is just system malloc), not memp_malloc. */ +#define MEMP_NUM_PBUF (1024 * 4) + + +/* MEMP_NUM_MLD6_GROUP: Maximum number of IPv6 multicast groups that + can be joined. + + We need to be able to join solicited node multicast for each + address (potentially different) and two groups for DHCP6. All + routers multicast is hardcoded in ip6.c and does not require + explicit joining. Provide also for a few extra groups just in + case. */ +#define MEMP_NUM_MLD6_GROUP (LWIP_IPV6_NUM_ADDRESSES + /* dhcp6 */ 2 + /* extra */ 8) + + +/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP + segments. */ +#define MEMP_NUM_TCP_SEG (MEMP_NUM_TCP_PCB * TCP_SND_QUEUELEN / 2) + +/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP + connections. */ +#define MEMP_NUM_TCP_PCB 128 + +/* MEMP_NUM_TCPIP_MSG_*: the number of struct tcpip_msg, which is used + for sequential API communication and incoming packets. Used in + src/api/tcpip.c. */ +#define MEMP_NUM_TCPIP_MSG_API 128 +#define MEMP_NUM_TCPIP_MSG_INPKT 1024 + +/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One + per active UDP "connection". */ +#define MEMP_NUM_UDP_PCB 32 + +/* Pbuf options */ +/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. + This is only for PBUF_POOL pbufs, primarily used by netif drivers. + + This should have been named with the MEMP_NUM_ prefix (cf. + MEMP_NUM_PBUF for PBUF_ROM and PBUF_REF) as it controls the size of + yet another memp_malloc() pool. */ +#define PBUF_POOL_SIZE (1024 * 4) + +/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. + Use default that is based on TCP_MSS and PBUF_LINK_HLEN. */ +#undef PBUF_POOL_BUFSIZE + +/** Turn on support for lightweight critical region protection. Leaving this + * off uses synchronization code in pbuf.c which is totally polluted with + * races. All the other lwip source files would fall back to semaphore-based + * synchronization, but pbuf.c is just broken, leading to incorrect allocation + * and as a result to assertions due to buffers being double freed. */ +#define SYS_LIGHTWEIGHT_PROT 1 + +/** Attempt to get rid of htons etc. macro issues. */ +#undef LWIP_PREFIX_BYTEORDER_FUNCS + +#define LWIP_TCPIP_CORE_LOCKING_INPUT 0 +#define LWIP_TCPIP_CORE_LOCKING 0 +#define LWIP_TCP 1 +#define LWIP_SOCKET 0 +#define LWIP_ARP 1 +#define ARP_PROXY 1 +#define LWIP_ETHERNET 1 +#define LWIP_COMPAT_SOCKETS 0 +#define LWIP_COMPAT_MUTEX 1 + +#define LWIP_IPV6 1 +#define LWIP_IPV6_FORWARD 1 +#define LWIP_ND6_PROXY 1 + +#define LWIP_ND6_ALLOW_RA_UPDATES (!LWIP_IPV6_FORWARD) +#define LWIP_IPV6_SEND_ROUTER_SOLICIT (!LWIP_IPV6_FORWARD) +/* IPv6 autoconfig we don't need in proxy, but it required for very seldom cases + * iSCSI over intnet with IPv6 + */ +#define LWIP_IPV6_AUTOCONFIG 1 +#if LWIP_IPV6_FORWARD /* otherwise use the default from lwip/opt.h */ +#define LWIP_IPV6_DUP_DETECT_ATTEMPTS 0 +#endif + +#define LWIP_IPV6_FRAG 1 + +/** + * aka Slirp mode. + */ +#define LWIP_CONNECTION_PROXY 1 +#define IP_FORWARD 1 + +/* MEMP_NUM_SYS_TIMEOUT: the number of simultaneously active + timeouts. */ +#define MEMP_NUM_SYS_TIMEOUT 256 + + +/* this is required for IPv6 and IGMP needs */ +#define LWIP_RAND() RTRandU32() + +/* Debugging stuff. */ +#ifdef DEBUG +# define LWIP_DEBUG +# include "lwip-log.h" + +# define LWIP_PROXY_DEBUG LWIP_DBG_OFF +#endif /* DEBUG */ + +/* printf formatter definitions */ +#define U16_F "hu" +#define S16_F "hd" +#define X16_F "hx" +#define U32_F "u" +#define S32_F "d" +#define X32_F "x" + +/* Redirect libc memory alloc functions to IPRT. */ +#define malloc(x) RTMemAlloc(x) +#define realloc(x,y) RTMemRealloc((x), (y)) +#define free(x) RTMemFree(x) + +/* Align VBOX_STRICT and LWIP_NOASSERT. */ +#ifndef VBOX_STRICT +# define LWIP_NOASSERT 1 +#endif + +#endif /* !VBOX_INCLUDED_SRC_NAT_lwipopts_h */ |