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Diffstat (limited to 'src/VBox/Devices/Network/lwip-new/src/include/ipv4/lwip/ip4.h')
| -rw-r--r-- | src/VBox/Devices/Network/lwip-new/src/include/ipv4/lwip/ip4.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/VBox/Devices/Network/lwip-new/src/include/ipv4/lwip/ip4.h b/src/VBox/Devices/Network/lwip-new/src/include/ipv4/lwip/ip4.h new file mode 100644 index 00000000..c8f619ce --- /dev/null +++ b/src/VBox/Devices/Network/lwip-new/src/include/ipv4/lwip/ip4.h @@ -0,0 +1,151 @@ +/* + * 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_IP4_H__ +#define __LWIP_IP4_H__ + +#include "lwip/opt.h" + +#include "lwip/def.h" +#include "lwip/pbuf.h" +#include "lwip/ip_addr.h" +#include "lwip/ip6_addr.h" +#include "lwip/err.h" +#include "lwip/netif.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** Currently, the function ip_output_if_opt() is only used with IGMP */ +#define IP_OPTIONS_SEND LWIP_IGMP + +#define IP_HLEN 20 + +#define IP_PROTO_ICMP 1 +#define IP_PROTO_IGMP 2 +#define IP_PROTO_UDP 17 +#define IP_PROTO_UDPLITE 136 +#define IP_PROTO_TCP 6 + + +#ifdef PACK_STRUCT_USE_INCLUDES +# include "arch/bpstruct.h" +#endif +PACK_STRUCT_BEGIN +struct ip_hdr { + /* version / header length */ + PACK_STRUCT_FIELD(u8_t _v_hl); + /* type of service */ + PACK_STRUCT_FIELD(u8_t _tos); + /* total length */ + PACK_STRUCT_FIELD(u16_t _len); + /* identification */ + PACK_STRUCT_FIELD(u16_t _id); + /* fragment offset field */ + PACK_STRUCT_FIELD(u16_t _offset); +#define IP_RF 0x8000U /* reserved fragment flag */ +#define IP_DF 0x4000U /* dont fragment flag */ +#define IP_MF 0x2000U /* more fragments flag */ +#define IP_OFFMASK 0x1fffU /* mask for fragmenting bits */ + /* time to live */ + PACK_STRUCT_FIELD(u8_t _ttl); + /* protocol*/ + PACK_STRUCT_FIELD(u8_t _proto); + /* checksum */ + PACK_STRUCT_FIELD(u16_t _chksum); + /* source and destination IP addresses */ + PACK_STRUCT_FIELD(ip_addr_p_t src); + PACK_STRUCT_FIELD(ip_addr_p_t dest); +} PACK_STRUCT_STRUCT; +PACK_STRUCT_END +#ifdef PACK_STRUCT_USE_INCLUDES +# include "arch/epstruct.h" +#endif + +#define IPH_V(hdr) ((hdr)->_v_hl >> 4) +#define IPH_HL(hdr) ((hdr)->_v_hl & 0x0f) +#define IPH_TOS(hdr) ((hdr)->_tos) +#define IPH_LEN(hdr) ((hdr)->_len) +#define IPH_ID(hdr) ((hdr)->_id) +#define IPH_OFFSET(hdr) ((hdr)->_offset) +#define IPH_TTL(hdr) ((hdr)->_ttl) +#define IPH_PROTO(hdr) ((hdr)->_proto) +#define IPH_CHKSUM(hdr) ((hdr)->_chksum) + +#define IPH_VHL_SET(hdr, v, hl) (hdr)->_v_hl = (((v) << 4) | (hl)) +#define IPH_TOS_SET(hdr, tos) (hdr)->_tos = (tos) +#define IPH_LEN_SET(hdr, len) (hdr)->_len = (len) +#define IPH_ID_SET(hdr, id) (hdr)->_id = (id) +#define IPH_OFFSET_SET(hdr, off) (hdr)->_offset = (off) +#define IPH_TTL_SET(hdr, ttl) (hdr)->_ttl = (u8_t)(ttl) +#define IPH_PROTO_SET(hdr, proto) (hdr)->_proto = (u8_t)(proto) +#define IPH_CHKSUM_SET(hdr, chksum) (hdr)->_chksum = (chksum) + + +#define ip_init() /* Compatibility define, no init needed. */ +struct netif *ip_route(ip_addr_t *dest); +err_t ip_input(struct pbuf *p, struct netif *inp); +err_t ip_output(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, + u8_t ttl, u8_t tos, u8_t proto); +err_t ip_output_if(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, + u8_t ttl, u8_t tos, u8_t proto, + struct netif *netif); +#if LWIP_NETIF_HWADDRHINT +err_t ip_output_hinted(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, + u8_t ttl, u8_t tos, u8_t proto, u8_t *addr_hint); +#endif /* LWIP_NETIF_HWADDRHINT */ +#if IP_OPTIONS_SEND +err_t ip_output_if_opt(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest, + u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options, + u16_t optlen); +#endif /* IP_OPTIONS_SEND */ + +#define ip_netif_get_local_ipX(netif) (((netif) != NULL) ? ip_2_ipX(&((netif)->ip_addr)) : NULL) + +#if LWIP_CONNECTION_PROXY +typedef int (*proxy_ip4_divert_hook_fn)(struct netif *netif, ip_addr_t *dest); +extern proxy_ip4_divert_hook_fn proxy_ip4_divert_hook; +#endif + +#if IP_DEBUG +void ip_debug_print(struct pbuf *p); +#else +#define ip_debug_print(p) +#endif /* IP_DEBUG */ + +#ifdef __cplusplus +} +#endif + +#endif /* __LWIP_IP_H__ */ + + |