mbed official / lwip

Official mbed lwIP library (version 1.4.0)

Dependents:   LwIPNetworking NetServicesMin EthernetInterface EthernetInterface_RSF ... more

Legacy Networking Libraries

This is an mbed 2 networking library. For mbed OS 5, lwip has been integrated with built-in networking interfaces. The networking libraries have been revised to better support additional network stacks and thread safety here.

This library is based on the code of lwIP v1.4.0

Copyright (c) 2001, 2002 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.

include/ipv6/lwip/ip.h@0:51ac1d130fd4, 2012-06-22 (annotated)

Committer:
mbed_official
Date:
Fri Jun 22 09:25:39 2012 +0000
Revision:
0:51ac1d130fd4
Initial import from lwip-1.4.0: http://download.savannah.gnu.org/releases/lwip/lwip-1.4.0.zip

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:51ac1d130fd4 1 /*
mbed_official 0:51ac1d130fd4 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
mbed_official 0:51ac1d130fd4 3 * All rights reserved.
mbed_official 0:51ac1d130fd4 4 *
mbed_official 0:51ac1d130fd4 5 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 0:51ac1d130fd4 6 * are permitted provided that the following conditions are met:
mbed_official 0:51ac1d130fd4 7 *
mbed_official 0:51ac1d130fd4 8 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 0:51ac1d130fd4 9 * this list of conditions and the following disclaimer.
mbed_official 0:51ac1d130fd4 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 0:51ac1d130fd4 11 * this list of conditions and the following disclaimer in the documentation
mbed_official 0:51ac1d130fd4 12 * and/or other materials provided with the distribution.
mbed_official 0:51ac1d130fd4 13 * 3. The name of the author may not be used to endorse or promote products
mbed_official 0:51ac1d130fd4 14 * derived from this software without specific prior written permission.
mbed_official 0:51ac1d130fd4 15 *
mbed_official 0:51ac1d130fd4 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
mbed_official 0:51ac1d130fd4 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
mbed_official 0:51ac1d130fd4 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
mbed_official 0:51ac1d130fd4 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
mbed_official 0:51ac1d130fd4 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
mbed_official 0:51ac1d130fd4 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbed_official 0:51ac1d130fd4 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbed_official 0:51ac1d130fd4 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
mbed_official 0:51ac1d130fd4 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
mbed_official 0:51ac1d130fd4 25 * OF SUCH DAMAGE.
mbed_official 0:51ac1d130fd4 26 *
mbed_official 0:51ac1d130fd4 27 * This file is part of the lwIP TCP/IP stack.
mbed_official 0:51ac1d130fd4 28 *
mbed_official 0:51ac1d130fd4 29 * Author: Adam Dunkels <adam@sics.se>
mbed_official 0:51ac1d130fd4 30 *
mbed_official 0:51ac1d130fd4 31 */
mbed_official 0:51ac1d130fd4 32 #ifndef __LWIP_IP_H__
mbed_official 0:51ac1d130fd4 33 #define __LWIP_IP_H__
mbed_official 0:51ac1d130fd4 34
mbed_official 0:51ac1d130fd4 35 #include "lwip/opt.h"
mbed_official 0:51ac1d130fd4 36 #include "lwip/def.h"
mbed_official 0:51ac1d130fd4 37 #include "lwip/pbuf.h"
mbed_official 0:51ac1d130fd4 38 #include "lwip/ip_addr.h"
mbed_official 0:51ac1d130fd4 39
mbed_official 0:51ac1d130fd4 40 #include "lwip/err.h"
mbed_official 0:51ac1d130fd4 41
mbed_official 0:51ac1d130fd4 42 #ifdef __cplusplus
mbed_official 0:51ac1d130fd4 43 extern "C" {
mbed_official 0:51ac1d130fd4 44 #endif
mbed_official 0:51ac1d130fd4 45
mbed_official 0:51ac1d130fd4 46 #define IP_HLEN 40
mbed_official 0:51ac1d130fd4 47
mbed_official 0:51ac1d130fd4 48 #define IP_PROTO_ICMP 58
mbed_official 0:51ac1d130fd4 49 #define IP_PROTO_UDP 17
mbed_official 0:51ac1d130fd4 50 #define IP_PROTO_UDPLITE 136
mbed_official 0:51ac1d130fd4 51 #define IP_PROTO_TCP 6
mbed_official 0:51ac1d130fd4 52
mbed_official 0:51ac1d130fd4 53 /* This is passed as the destination address to ip_output_if (not
mbed_official 0:51ac1d130fd4 54 to ip_output), meaning that an IP header already is constructed
mbed_official 0:51ac1d130fd4 55 in the pbuf. This is used when TCP retransmits. */
mbed_official 0:51ac1d130fd4 56 #ifdef IP_HDRINCL
mbed_official 0:51ac1d130fd4 57 #undef IP_HDRINCL
mbed_official 0:51ac1d130fd4 58 #endif /* IP_HDRINCL */
mbed_official 0:51ac1d130fd4 59 #define IP_HDRINCL NULL
mbed_official 0:51ac1d130fd4 60
mbed_official 0:51ac1d130fd4 61 #if LWIP_NETIF_HWADDRHINT
mbed_official 0:51ac1d130fd4 62 #define IP_PCB_ADDRHINT ;u8_t addr_hint
mbed_official 0:51ac1d130fd4 63 #else
mbed_official 0:51ac1d130fd4 64 #define IP_PCB_ADDRHINT
mbed_official 0:51ac1d130fd4 65 #endif /* LWIP_NETIF_HWADDRHINT */
mbed_official 0:51ac1d130fd4 66
mbed_official 0:51ac1d130fd4 67 /* This is the common part of all PCB types. It needs to be at the
mbed_official 0:51ac1d130fd4 68 beginning of a PCB type definition. It is located here so that
mbed_official 0:51ac1d130fd4 69 changes to this common part are made in one location instead of
mbed_official 0:51ac1d130fd4 70 having to change all PCB structs. */
mbed_official 0:51ac1d130fd4 71 #define IP_PCB struct ip_addr local_ip; \
mbed_official 0:51ac1d130fd4 72 struct ip_addr remote_ip; \
mbed_official 0:51ac1d130fd4 73 /* Socket options */ \
mbed_official 0:51ac1d130fd4 74 u16_t so_options; \
mbed_official 0:51ac1d130fd4 75 /* Type Of Service */ \
mbed_official 0:51ac1d130fd4 76 u8_t tos; \
mbed_official 0:51ac1d130fd4 77 /* Time To Live */ \
mbed_official 0:51ac1d130fd4 78 u8_t ttl; \
mbed_official 0:51ac1d130fd4 79 /* link layer address resolution hint */ \
mbed_official 0:51ac1d130fd4 80 IP_PCB_ADDRHINT
mbed_official 0:51ac1d130fd4 81
mbed_official 0:51ac1d130fd4 82
mbed_official 0:51ac1d130fd4 83 /* The IPv6 header. */
mbed_official 0:51ac1d130fd4 84 struct ip_hdr {
mbed_official 0:51ac1d130fd4 85 #if BYTE_ORDER == LITTLE_ENDIAN
mbed_official 0:51ac1d130fd4 86 u8_t tclass1:4, v:4;
mbed_official 0:51ac1d130fd4 87 u8_t flow1:4, tclass2:4;
mbed_official 0:51ac1d130fd4 88 #else
mbed_official 0:51ac1d130fd4 89 u8_t v:4, tclass1:4;
mbed_official 0:51ac1d130fd4 90 u8_t tclass2:8, flow1:4;
mbed_official 0:51ac1d130fd4 91 #endif
mbed_official 0:51ac1d130fd4 92 u16_t flow2;
mbed_official 0:51ac1d130fd4 93 u16_t len; /* payload length */
mbed_official 0:51ac1d130fd4 94 u8_t nexthdr; /* next header */
mbed_official 0:51ac1d130fd4 95 u8_t hoplim; /* hop limit (TTL) */
mbed_official 0:51ac1d130fd4 96 struct ip_addr src, dest; /* source and destination IP addresses */
mbed_official 0:51ac1d130fd4 97 };
mbed_official 0:51ac1d130fd4 98
mbed_official 0:51ac1d130fd4 99 #define IPH_PROTO(hdr) (iphdr->nexthdr)
mbed_official 0:51ac1d130fd4 100
mbed_official 0:51ac1d130fd4 101 void ip_init(void);
mbed_official 0:51ac1d130fd4 102
mbed_official 0:51ac1d130fd4 103 #include "lwip/netif.h"
mbed_official 0:51ac1d130fd4 104
mbed_official 0:51ac1d130fd4 105 struct netif *ip_route(struct ip_addr *dest);
mbed_official 0:51ac1d130fd4 106
mbed_official 0:51ac1d130fd4 107 void ip_input(struct pbuf *p, struct netif *inp);
mbed_official 0:51ac1d130fd4 108
mbed_official 0:51ac1d130fd4 109 /* source and destination addresses in network byte order, please */
mbed_official 0:51ac1d130fd4 110 err_t ip_output(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest,
mbed_official 0:51ac1d130fd4 111 u8_t ttl, u8_t proto);
mbed_official 0:51ac1d130fd4 112
mbed_official 0:51ac1d130fd4 113 err_t ip_output_if(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest,
mbed_official 0:51ac1d130fd4 114 u8_t ttl, u8_t proto,
mbed_official 0:51ac1d130fd4 115 struct netif *netif);
mbed_official 0:51ac1d130fd4 116
mbed_official 0:51ac1d130fd4 117 #define ip_current_netif() NULL
mbed_official 0:51ac1d130fd4 118 #define ip_current_header() NULL
mbed_official 0:51ac1d130fd4 119
mbed_official 0:51ac1d130fd4 120 #if IP_DEBUG
mbed_official 0:51ac1d130fd4 121 void ip_debug_print(struct pbuf *p);
mbed_official 0:51ac1d130fd4 122 #endif /* IP_DEBUG */
mbed_official 0:51ac1d130fd4 123
mbed_official 0:51ac1d130fd4 124 #ifdef __cplusplus
mbed_official 0:51ac1d130fd4 125 }
mbed_official 0:51ac1d130fd4 126 #endif
mbed_official 0:51ac1d130fd4 127
mbed_official 0:51ac1d130fd4 128 #endif /* __LWIP_IP_H__ */
mbed_official 0:51ac1d130fd4 129
mbed_official 0:51ac1d130fd4 130