NXP fan (in Japan) / Mbed 2 deprecated TwitterExample

TwitterExample with newer library (2012Aug)

Dependencies:   EthernetNetIf HTTPClient mbed

EthernetNetIf/LPC2368/lwip/include/ipv4/lwip/ip.h@0:075157567b0c, 2012-08-29 (annotated)

Committer:
nxpfan
Date:
Wed Aug 29 03:50:19 2012 +0000
Revision:
0:075157567b0c
simple twitter example with newer library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nxpfan 0:075157567b0c 1 /*
nxpfan 0:075157567b0c 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
nxpfan 0:075157567b0c 3 * All rights reserved.
nxpfan 0:075157567b0c 4 *
nxpfan 0:075157567b0c 5 * Redistribution and use in source and binary forms, with or without modification,
nxpfan 0:075157567b0c 6 * are permitted provided that the following conditions are met:
nxpfan 0:075157567b0c 7 *
nxpfan 0:075157567b0c 8 * 1. Redistributions of source code must retain the above copyright notice,
nxpfan 0:075157567b0c 9 * this list of conditions and the following disclaimer.
nxpfan 0:075157567b0c 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
nxpfan 0:075157567b0c 11 * this list of conditions and the following disclaimer in the documentation
nxpfan 0:075157567b0c 12 * and/or other materials provided with the distribution.
nxpfan 0:075157567b0c 13 * 3. The name of the author may not be used to endorse or promote products
nxpfan 0:075157567b0c 14 * derived from this software without specific prior written permission.
nxpfan 0:075157567b0c 15 *
nxpfan 0:075157567b0c 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
nxpfan 0:075157567b0c 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
nxpfan 0:075157567b0c 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
nxpfan 0:075157567b0c 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
nxpfan 0:075157567b0c 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
nxpfan 0:075157567b0c 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
nxpfan 0:075157567b0c 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
nxpfan 0:075157567b0c 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
nxpfan 0:075157567b0c 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
nxpfan 0:075157567b0c 25 * OF SUCH DAMAGE.
nxpfan 0:075157567b0c 26 *
nxpfan 0:075157567b0c 27 * This file is part of the lwIP TCP/IP stack.
nxpfan 0:075157567b0c 28 *
nxpfan 0:075157567b0c 29 * Author: Adam Dunkels <adam@sics.se>
nxpfan 0:075157567b0c 30 *
nxpfan 0:075157567b0c 31 */
nxpfan 0:075157567b0c 32 #ifndef __LWIP_IP_H__
nxpfan 0:075157567b0c 33 #define __LWIP_IP_H__
nxpfan 0:075157567b0c 34
nxpfan 0:075157567b0c 35 #include "lwip/opt.h"
nxpfan 0:075157567b0c 36
nxpfan 0:075157567b0c 37 #include "lwip/def.h"
nxpfan 0:075157567b0c 38 #include "lwip/pbuf.h"
nxpfan 0:075157567b0c 39 #include "lwip/ip_addr.h"
nxpfan 0:075157567b0c 40 #include "lwip/err.h"
nxpfan 0:075157567b0c 41 #include "lwip/netif.h"
nxpfan 0:075157567b0c 42
nxpfan 0:075157567b0c 43 #ifdef __cplusplus
nxpfan 0:075157567b0c 44 extern "C" {
nxpfan 0:075157567b0c 45 #endif
nxpfan 0:075157567b0c 46
nxpfan 0:075157567b0c 47 /** Currently, the function ip_output_if_opt() is only used with IGMP */
nxpfan 0:075157567b0c 48 #define IP_OPTIONS_SEND LWIP_IGMP
nxpfan 0:075157567b0c 49
nxpfan 0:075157567b0c 50 #define IP_HLEN 20
nxpfan 0:075157567b0c 51
nxpfan 0:075157567b0c 52 #define IP_PROTO_ICMP 1
nxpfan 0:075157567b0c 53 #define IP_PROTO_IGMP 2
nxpfan 0:075157567b0c 54 #define IP_PROTO_UDP 17
nxpfan 0:075157567b0c 55 #define IP_PROTO_UDPLITE 136
nxpfan 0:075157567b0c 56 #define IP_PROTO_TCP 6
nxpfan 0:075157567b0c 57
nxpfan 0:075157567b0c 58 /* This is passed as the destination address to ip_output_if (not
nxpfan 0:075157567b0c 59 to ip_output), meaning that an IP header already is constructed
nxpfan 0:075157567b0c 60 in the pbuf. This is used when TCP retransmits. */
nxpfan 0:075157567b0c 61 #ifdef IP_HDRINCL
nxpfan 0:075157567b0c 62 #undef IP_HDRINCL
nxpfan 0:075157567b0c 63 #endif /* IP_HDRINCL */
nxpfan 0:075157567b0c 64 #define IP_HDRINCL NULL
nxpfan 0:075157567b0c 65
nxpfan 0:075157567b0c 66 #if LWIP_NETIF_HWADDRHINT
nxpfan 0:075157567b0c 67 #define IP_PCB_ADDRHINT ;u8_t addr_hint
nxpfan 0:075157567b0c 68 #else
nxpfan 0:075157567b0c 69 #define IP_PCB_ADDRHINT
nxpfan 0:075157567b0c 70 #endif /* LWIP_NETIF_HWADDRHINT */
nxpfan 0:075157567b0c 71
nxpfan 0:075157567b0c 72 /* This is the common part of all PCB types. It needs to be at the
nxpfan 0:075157567b0c 73 beginning of a PCB type definition. It is located here so that
nxpfan 0:075157567b0c 74 changes to this common part are made in one location instead of
nxpfan 0:075157567b0c 75 having to change all PCB structs. */
nxpfan 0:075157567b0c 76 #define IP_PCB \
nxpfan 0:075157567b0c 77 /* ip addresses in network byte order */ \
nxpfan 0:075157567b0c 78 ip_addr_t local_ip; \
nxpfan 0:075157567b0c 79 ip_addr_t remote_ip; \
nxpfan 0:075157567b0c 80 /* Socket options */ \
nxpfan 0:075157567b0c 81 u8_t so_options; \
nxpfan 0:075157567b0c 82 /* Type Of Service */ \
nxpfan 0:075157567b0c 83 u8_t tos; \
nxpfan 0:075157567b0c 84 /* Time To Live */ \
nxpfan 0:075157567b0c 85 u8_t ttl \
nxpfan 0:075157567b0c 86 /* link layer address resolution hint */ \
nxpfan 0:075157567b0c 87 IP_PCB_ADDRHINT
nxpfan 0:075157567b0c 88
nxpfan 0:075157567b0c 89 struct ip_pcb {
nxpfan 0:075157567b0c 90 /* Common members of all PCB types */
nxpfan 0:075157567b0c 91 IP_PCB;
nxpfan 0:075157567b0c 92 };
nxpfan 0:075157567b0c 93
nxpfan 0:075157567b0c 94 /*
nxpfan 0:075157567b0c 95 * Option flags per-socket. These are the same like SO_XXX.
nxpfan 0:075157567b0c 96 */
nxpfan 0:075157567b0c 97 /*#define SOF_DEBUG (u8_t)0x01U Unimplemented: turn on debugging info recording */
nxpfan 0:075157567b0c 98 #define SOF_ACCEPTCONN (u8_t)0x02U /* socket has had listen() */
nxpfan 0:075157567b0c 99 #define SOF_REUSEADDR (u8_t)0x04U /* allow local address reuse */
nxpfan 0:075157567b0c 100 #define SOF_KEEPALIVE (u8_t)0x08U /* keep connections alive */
nxpfan 0:075157567b0c 101 /*#define SOF_DONTROUTE (u8_t)0x10U Unimplemented: just use interface addresses */
nxpfan 0:075157567b0c 102 #define SOF_BROADCAST (u8_t)0x20U /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
nxpfan 0:075157567b0c 103 /*#define SOF_USELOOPBACK (u8_t)0x40U Unimplemented: bypass hardware when possible */
nxpfan 0:075157567b0c 104 #define SOF_LINGER (u8_t)0x80U /* linger on close if data present */
nxpfan 0:075157567b0c 105 /*#define SOF_OOBINLINE (u16_t)0x0100U Unimplemented: leave received OOB data in line */
nxpfan 0:075157567b0c 106 /*#define SOF_REUSEPORT (u16_t)0x0200U Unimplemented: allow local address & port reuse */
nxpfan 0:075157567b0c 107
nxpfan 0:075157567b0c 108 /* These flags are inherited (e.g. from a listen-pcb to a connection-pcb): */
nxpfan 0:075157567b0c 109 #define SOF_INHERITED (SOF_REUSEADDR|SOF_KEEPALIVE|SOF_LINGER/*|SOF_DEBUG|SOF_DONTROUTE|SOF_OOBINLINE*/)
nxpfan 0:075157567b0c 110
nxpfan 0:075157567b0c 111
nxpfan 0:075157567b0c 112 #ifdef PACK_STRUCT_USE_INCLUDES
nxpfan 0:075157567b0c 113 # include "arch/bpstruct.h"
nxpfan 0:075157567b0c 114 #endif
nxpfan 0:075157567b0c 115 PACK_STRUCT_BEGIN
nxpfan 0:075157567b0c 116 struct ip_hdr {
nxpfan 0:075157567b0c 117 /* version / header length / type of service */
nxpfan 0:075157567b0c 118 PACK_STRUCT_FIELD(u16_t _v_hl_tos);
nxpfan 0:075157567b0c 119 /* total length */
nxpfan 0:075157567b0c 120 PACK_STRUCT_FIELD(u16_t _len);
nxpfan 0:075157567b0c 121 /* identification */
nxpfan 0:075157567b0c 122 PACK_STRUCT_FIELD(u16_t _id);
nxpfan 0:075157567b0c 123 /* fragment offset field */
nxpfan 0:075157567b0c 124 PACK_STRUCT_FIELD(u16_t _offset);
nxpfan 0:075157567b0c 125 #define IP_RF 0x8000 /* reserved fragment flag */
nxpfan 0:075157567b0c 126 #define IP_DF 0x4000 /* dont fragment flag */
nxpfan 0:075157567b0c 127 #define IP_MF 0x2000 /* more fragments flag */
nxpfan 0:075157567b0c 128 #define IP_OFFMASK 0x1fff /* mask for fragmenting bits */
nxpfan 0:075157567b0c 129 /* time to live */
nxpfan 0:075157567b0c 130 PACK_STRUCT_FIELD(u8_t _ttl);
nxpfan 0:075157567b0c 131 /* protocol*/
nxpfan 0:075157567b0c 132 PACK_STRUCT_FIELD(u8_t _proto);
nxpfan 0:075157567b0c 133 /* checksum */
nxpfan 0:075157567b0c 134 PACK_STRUCT_FIELD(u16_t _chksum);
nxpfan 0:075157567b0c 135 /* source and destination IP addresses */
nxpfan 0:075157567b0c 136 PACK_STRUCT_FIELD(ip_addr_p_t src);
nxpfan 0:075157567b0c 137 PACK_STRUCT_FIELD(ip_addr_p_t dest);
nxpfan 0:075157567b0c 138 } PACK_STRUCT_STRUCT;
nxpfan 0:075157567b0c 139 PACK_STRUCT_END
nxpfan 0:075157567b0c 140 #ifdef PACK_STRUCT_USE_INCLUDES
nxpfan 0:075157567b0c 141 # include "arch/epstruct.h"
nxpfan 0:075157567b0c 142 #endif
nxpfan 0:075157567b0c 143
nxpfan 0:075157567b0c 144 #define IPH_V(hdr) (ntohs((hdr)->_v_hl_tos) >> 12)
nxpfan 0:075157567b0c 145 #define IPH_HL(hdr) ((ntohs((hdr)->_v_hl_tos) >> 8) & 0x0f)
nxpfan 0:075157567b0c 146 #define IPH_TOS(hdr) (ntohs((hdr)->_v_hl_tos) & 0xff)
nxpfan 0:075157567b0c 147 #define IPH_LEN(hdr) ((hdr)->_len)
nxpfan 0:075157567b0c 148 #define IPH_ID(hdr) ((hdr)->_id)
nxpfan 0:075157567b0c 149 #define IPH_OFFSET(hdr) ((hdr)->_offset)
nxpfan 0:075157567b0c 150 #define IPH_TTL(hdr) ((hdr)->_ttl)
nxpfan 0:075157567b0c 151 #define IPH_PROTO(hdr) ((hdr)->_proto)
nxpfan 0:075157567b0c 152 #define IPH_CHKSUM(hdr) ((hdr)->_chksum)
nxpfan 0:075157567b0c 153
nxpfan 0:075157567b0c 154 #define IPH_VHLTOS_SET(hdr, v, hl, tos) (hdr)->_v_hl_tos = (htons(((v) << 12) | ((hl) << 8) | (tos)))
nxpfan 0:075157567b0c 155 #define IPH_LEN_SET(hdr, len) (hdr)->_len = (len)
nxpfan 0:075157567b0c 156 #define IPH_ID_SET(hdr, id) (hdr)->_id = (id)
nxpfan 0:075157567b0c 157 #define IPH_OFFSET_SET(hdr, off) (hdr)->_offset = (off)
nxpfan 0:075157567b0c 158 #define IPH_TTL_SET(hdr, ttl) (hdr)->_ttl = (u8_t)(ttl)
nxpfan 0:075157567b0c 159 #define IPH_PROTO_SET(hdr, proto) (hdr)->_proto = (u8_t)(proto)
nxpfan 0:075157567b0c 160 #define IPH_CHKSUM_SET(hdr, chksum) (hdr)->_chksum = (chksum)
nxpfan 0:075157567b0c 161
nxpfan 0:075157567b0c 162 /** The interface that provided the packet for the current callback invocation. */
nxpfan 0:075157567b0c 163 extern struct netif *current_netif;
nxpfan 0:075157567b0c 164 /** Header of the input packet currently being processed. */
nxpfan 0:075157567b0c 165 extern const struct ip_hdr *current_header;
nxpfan 0:075157567b0c 166 /** Source IP address of current_header */
nxpfan 0:075157567b0c 167 extern ip_addr_t current_iphdr_src;
nxpfan 0:075157567b0c 168 /** Destination IP address of current_header */
nxpfan 0:075157567b0c 169 extern ip_addr_t current_iphdr_dest;
nxpfan 0:075157567b0c 170
nxpfan 0:075157567b0c 171 #define ip_init() /* Compatibility define, not init needed. */
nxpfan 0:075157567b0c 172 struct netif *ip_route(ip_addr_t *dest);
nxpfan 0:075157567b0c 173 err_t ip_input(struct pbuf *p, struct netif *inp);
nxpfan 0:075157567b0c 174 err_t ip_output(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest,
nxpfan 0:075157567b0c 175 u8_t ttl, u8_t tos, u8_t proto);
nxpfan 0:075157567b0c 176 err_t ip_output_if(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest,
nxpfan 0:075157567b0c 177 u8_t ttl, u8_t tos, u8_t proto,
nxpfan 0:075157567b0c 178 struct netif *netif);
nxpfan 0:075157567b0c 179 #if LWIP_NETIF_HWADDRHINT
nxpfan 0:075157567b0c 180 err_t ip_output_hinted(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest,
nxpfan 0:075157567b0c 181 u8_t ttl, u8_t tos, u8_t proto, u8_t *addr_hint);
nxpfan 0:075157567b0c 182 #endif /* LWIP_NETIF_HWADDRHINT */
nxpfan 0:075157567b0c 183 #if IP_OPTIONS_SEND
nxpfan 0:075157567b0c 184 err_t ip_output_if_opt(struct pbuf *p, ip_addr_t *src, ip_addr_t *dest,
nxpfan 0:075157567b0c 185 u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options,
nxpfan 0:075157567b0c 186 u16_t optlen);
nxpfan 0:075157567b0c 187 #endif /* IP_OPTIONS_SEND */
nxpfan 0:075157567b0c 188 /** Get the interface that received the current packet.
nxpfan 0:075157567b0c 189 * This function must only be called from a receive callback (udp_recv,
nxpfan 0:075157567b0c 190 * raw_recv, tcp_accept). It will return NULL otherwise. */
nxpfan 0:075157567b0c 191 #define ip_current_netif() (current_netif)
nxpfan 0:075157567b0c 192 /** Get the IP header of the current packet.
nxpfan 0:075157567b0c 193 * This function must only be called from a receive callback (udp_recv,
nxpfan 0:075157567b0c 194 * raw_recv, tcp_accept). It will return NULL otherwise. */
nxpfan 0:075157567b0c 195 #define ip_current_header() (current_header)
nxpfan 0:075157567b0c 196 /** Source IP address of current_header */
nxpfan 0:075157567b0c 197 #define ip_current_src_addr() (&current_iphdr_src)
nxpfan 0:075157567b0c 198 /** Destination IP address of current_header */
nxpfan 0:075157567b0c 199 #define ip_current_dest_addr() (&current_iphdr_dest)
nxpfan 0:075157567b0c 200
nxpfan 0:075157567b0c 201 #if IP_DEBUG
nxpfan 0:075157567b0c 202 void ip_debug_print(struct pbuf *p);
nxpfan 0:075157567b0c 203 #else
nxpfan 0:075157567b0c 204 #define ip_debug_print(p)
nxpfan 0:075157567b0c 205 #endif /* IP_DEBUG */
nxpfan 0:075157567b0c 206
nxpfan 0:075157567b0c 207 #ifdef __cplusplus
nxpfan 0:075157567b0c 208 }
nxpfan 0:075157567b0c 209 #endif
nxpfan 0:075157567b0c 210
nxpfan 0:075157567b0c 211 #endif /* __LWIP_IP_H__ */
nxpfan 0:075157567b0c 212
nxpfan 0:075157567b0c 213