diff options
Diffstat (limited to 'src/VBox/Devices/Network/lwip-new/src/include/ipv4/lwip/icmp.h')
| -rw-r--r-- | src/VBox/Devices/Network/lwip-new/src/include/ipv4/lwip/icmp.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/VBox/Devices/Network/lwip-new/src/include/ipv4/lwip/icmp.h b/src/VBox/Devices/Network/lwip-new/src/include/ipv4/lwip/icmp.h new file mode 100644 index 00000000..6fb41331 --- /dev/null +++ b/src/VBox/Devices/Network/lwip-new/src/include/ipv4/lwip/icmp.h @@ -0,0 +1,146 @@ +/* + * 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_ICMP_H__ +#define __LWIP_ICMP_H__ + +#include "lwip/opt.h" +#include "lwip/pbuf.h" +#include "lwip/ip_addr.h" +#include "lwip/netif.h" + +#if LWIP_IPV6 && LWIP_ICMP6 +#include "lwip/icmp6.h" +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#define ICMP_HLEN 8 + +#define ICMP_ER 0 /* echo reply */ +#define ICMP_DUR 3 /* destination unreachable */ +#define ICMP_SQ 4 /* source quench */ +#define ICMP_RD 5 /* redirect */ +#define ICMP_ECHO 8 /* echo */ +#define ICMP_TE 11 /* time exceeded */ +#define ICMP_PP 12 /* parameter problem */ +#define ICMP_TS 13 /* timestamp */ +#define ICMP_TSR 14 /* timestamp reply */ +#define ICMP_IRQ 15 /* information request */ +#define ICMP_IR 16 /* information reply */ + +enum icmp_dur_type { + ICMP_DUR_NET = 0, /* net unreachable */ + ICMP_DUR_HOST = 1, /* host unreachable */ + ICMP_DUR_PROTO = 2, /* protocol unreachable */ + ICMP_DUR_PORT = 3, /* port unreachable */ + ICMP_DUR_FRAG = 4, /* fragmentation needed and DF set */ + ICMP_DUR_SR = 5 /* source route failed */ +}; + +enum icmp_te_type { + ICMP_TE_TTL = 0, /* time to live exceeded in transit */ + ICMP_TE_FRAG = 1 /* fragment reassembly time exceeded */ +}; + +/** This is the standard ICMP header only that the u32_t data + * is splitted to two u16_t like ICMP echo needs it. + * This header is also used for other ICMP types that do not + * use the data part. + */ +#ifdef VBOX /* Clang 11 takes offence when member addresses are taken (id). Packing not needed, so just dispense with it. */ +struct icmp_echo_hdr { + u8_t type; + u8_t code; + u16_t chksum; + u16_t id; + u16_t seqno; +}; +AssertCompileSize(struct icmp_echo_hdr, sizeof(uint32_t)*2); +#else +#ifdef PACK_STRUCT_USE_INCLUDES +# include "arch/bpstruct.h" +#endif +PACK_STRUCT_BEGIN +struct icmp_echo_hdr { + PACK_STRUCT_FIELD(u8_t type); + PACK_STRUCT_FIELD(u8_t code); + PACK_STRUCT_FIELD(u16_t chksum); + PACK_STRUCT_FIELD(u16_t id); + PACK_STRUCT_FIELD(u16_t seqno); +} PACK_STRUCT_STRUCT; +PACK_STRUCT_END +#ifdef PACK_STRUCT_USE_INCLUDES +# include "arch/epstruct.h" +#endif +#endif /* VBOX */ + +#define ICMPH_TYPE(hdr) ((hdr)->type) +#define ICMPH_CODE(hdr) ((hdr)->code) + +/** Combines type and code to an u16_t */ +#define ICMPH_TYPE_SET(hdr, t) ((hdr)->type = (t)) +#define ICMPH_CODE_SET(hdr, c) ((hdr)->code = (c)) + + +#if LWIP_ICMP /* don't build if not configured for use in lwipopts.h */ + +void icmp_input(struct pbuf *p, struct netif *inp); +#if LWIP_CONNECTION_PROXY +void icmp_proxy_input(struct pbuf *p, struct netif *inp); +#endif +void icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t); +void icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t); + +#if LWIP_CONNECTION_PROXY +typedef void (*ping_proxy_fn)(void *arg, struct pbuf *p); +void ping_proxy_accept(ping_proxy_fn callback, void *arg); +#endif + +#endif /* LWIP_ICMP */ + +#if (LWIP_IPV6 && LWIP_ICMP6) +#define icmp_port_unreach(isipv6, pbuf) ((isipv6) ? \ + icmp6_dest_unreach(pbuf, ICMP6_DUR_PORT) : \ + icmp_dest_unreach(pbuf, ICMP_DUR_PORT)) +#elif LWIP_ICMP +#define icmp_port_unreach(isipv6, pbuf) icmp_dest_unreach(pbuf, ICMP_DUR_PORT) +#else /* (LWIP_IPV6 && LWIP_ICMP6) || LWIP_ICMP*/ +#define icmp_port_unreach(isipv6, pbuf) +#endif /* (LWIP_IPV6 && LWIP_ICMP6) || LWIP_ICMP*/ + +#ifdef __cplusplus +} +#endif + +#endif /* __LWIP_ICMP_H__ */ |