Simon Ford / NetServices

Version of http://mbed.org/cookbook/NetServicesTribute with setting set the same for LPC2368

Dependents:   UDPSocketExample 24LCxx_I2CApp WeatherPlatform_pachube HvZServerLib ... more

lwip/include/lwip/netbuf.h@0:350011bf8be7, 2010-11-23 (annotated)

Committer:
simon
Date:
Tue Nov 23 14:15:36 2010 +0000
Revision:
0:350011bf8be7
Experimental version for testing UDP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 0:350011bf8be7 1 /*
simon 0:350011bf8be7 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
simon 0:350011bf8be7 3 * All rights reserved.
simon 0:350011bf8be7 4 *
simon 0:350011bf8be7 5 * Redistribution and use in source and binary forms, with or without modification,
simon 0:350011bf8be7 6 * are permitted provided that the following conditions are met:
simon 0:350011bf8be7 7 *
simon 0:350011bf8be7 8 * 1. Redistributions of source code must retain the above copyright notice,
simon 0:350011bf8be7 9 * this list of conditions and the following disclaimer.
simon 0:350011bf8be7 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
simon 0:350011bf8be7 11 * this list of conditions and the following disclaimer in the documentation
simon 0:350011bf8be7 12 * and/or other materials provided with the distribution.
simon 0:350011bf8be7 13 * 3. The name of the author may not be used to endorse or promote products
simon 0:350011bf8be7 14 * derived from this software without specific prior written permission.
simon 0:350011bf8be7 15 *
simon 0:350011bf8be7 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
simon 0:350011bf8be7 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
simon 0:350011bf8be7 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
simon 0:350011bf8be7 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
simon 0:350011bf8be7 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
simon 0:350011bf8be7 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
simon 0:350011bf8be7 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
simon 0:350011bf8be7 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
simon 0:350011bf8be7 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
simon 0:350011bf8be7 25 * OF SUCH DAMAGE.
simon 0:350011bf8be7 26 *
simon 0:350011bf8be7 27 * This file is part of the lwIP TCP/IP stack.
simon 0:350011bf8be7 28 *
simon 0:350011bf8be7 29 * Author: Adam Dunkels <adam@sics.se>
simon 0:350011bf8be7 30 *
simon 0:350011bf8be7 31 */
simon 0:350011bf8be7 32 #ifndef __LWIP_NETBUF_H__
simon 0:350011bf8be7 33 #define __LWIP_NETBUF_H__
simon 0:350011bf8be7 34
simon 0:350011bf8be7 35 #include "lwip/opt.h"
simon 0:350011bf8be7 36 #include "lwip/pbuf.h"
simon 0:350011bf8be7 37 #include "lwip/ip_addr.h"
simon 0:350011bf8be7 38
simon 0:350011bf8be7 39 #ifdef __cplusplus
simon 0:350011bf8be7 40 extern "C" {
simon 0:350011bf8be7 41 #endif
simon 0:350011bf8be7 42
simon 0:350011bf8be7 43 /** This netbuf has dest-addr/port set */
simon 0:350011bf8be7 44 #define NETBUF_FLAG_DESTADDR 0x01
simon 0:350011bf8be7 45 /** This netbuf includes a checksum */
simon 0:350011bf8be7 46 #define NETBUF_FLAG_CHKSUM 0x02
simon 0:350011bf8be7 47
simon 0:350011bf8be7 48 struct netbuf {
simon 0:350011bf8be7 49 struct pbuf *p, *ptr;
simon 0:350011bf8be7 50 ip_addr_t addr;
simon 0:350011bf8be7 51 u16_t port;
simon 0:350011bf8be7 52 #if LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY
simon 0:350011bf8be7 53 #if LWIP_CHECKSUM_ON_COPY
simon 0:350011bf8be7 54 u8_t flags;
simon 0:350011bf8be7 55 #endif /* LWIP_CHECKSUM_ON_COPY */
simon 0:350011bf8be7 56 u16_t toport_chksum;
simon 0:350011bf8be7 57 #if LWIP_NETBUF_RECVINFO
simon 0:350011bf8be7 58 ip_addr_t toaddr;
simon 0:350011bf8be7 59 #endif /* LWIP_NETBUF_RECVINFO */
simon 0:350011bf8be7 60 #endif /* LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY */
simon 0:350011bf8be7 61 };
simon 0:350011bf8be7 62
simon 0:350011bf8be7 63 /* Network buffer functions: */
simon 0:350011bf8be7 64 struct netbuf * netbuf_new (void);
simon 0:350011bf8be7 65 void netbuf_delete (struct netbuf *buf);
simon 0:350011bf8be7 66 void * netbuf_alloc (struct netbuf *buf, u16_t size);
simon 0:350011bf8be7 67 void netbuf_free (struct netbuf *buf);
simon 0:350011bf8be7 68 err_t netbuf_ref (struct netbuf *buf,
simon 0:350011bf8be7 69 const void *dataptr, u16_t size);
simon 0:350011bf8be7 70 void netbuf_chain (struct netbuf *head,
simon 0:350011bf8be7 71 struct netbuf *tail);
simon 0:350011bf8be7 72
simon 0:350011bf8be7 73 err_t netbuf_data (struct netbuf *buf,
simon 0:350011bf8be7 74 void **dataptr, u16_t *len);
simon 0:350011bf8be7 75 s8_t netbuf_next (struct netbuf *buf);
simon 0:350011bf8be7 76 void netbuf_first (struct netbuf *buf);
simon 0:350011bf8be7 77
simon 0:350011bf8be7 78
simon 0:350011bf8be7 79 #define netbuf_copy_partial(buf, dataptr, len, offset) \
simon 0:350011bf8be7 80 pbuf_copy_partial((buf)->p, (dataptr), (len), (offset))
simon 0:350011bf8be7 81 #define netbuf_copy(buf,dataptr,len) netbuf_copy_partial(buf, dataptr, len, 0)
simon 0:350011bf8be7 82 #define netbuf_take(buf, dataptr, len) pbuf_take((buf)->p, dataptr, len)
simon 0:350011bf8be7 83 #define netbuf_len(buf) ((buf)->p->tot_len)
simon 0:350011bf8be7 84 #define netbuf_fromaddr(buf) (&((buf)->addr))
simon 0:350011bf8be7 85 #define netbuf_set_fromaddr(buf, fromaddr) ip_addr_set((&(buf)->addr), fromaddr)
simon 0:350011bf8be7 86 #define netbuf_fromport(buf) ((buf)->port)
simon 0:350011bf8be7 87 #if LWIP_NETBUF_RECVINFO
simon 0:350011bf8be7 88 #define netbuf_destaddr(buf) (&((buf)->toaddr))
simon 0:350011bf8be7 89 #define netbuf_set_destaddr(buf, destaddr) ip_addr_set((&(buf)->addr), destaddr)
simon 0:350011bf8be7 90 #define netbuf_destport(buf) (((buf)->flags & NETBUF_FLAG_DESTADDR) ? (buf)->toport_chksum : 0)
simon 0:350011bf8be7 91 #endif /* LWIP_NETBUF_RECVINFO */
simon 0:350011bf8be7 92 #if LWIP_CHECKSUM_ON_COPY
simon 0:350011bf8be7 93 #define netbuf_set_chksum(buf, chksum) do { (buf)->flags = NETBUF_FLAG_CHKSUM; \
simon 0:350011bf8be7 94 (buf)->toport_chksum = chksum; } while(0)
simon 0:350011bf8be7 95 #endif /* LWIP_CHECKSUM_ON_COPY */
simon 0:350011bf8be7 96
simon 0:350011bf8be7 97 #ifdef __cplusplus
simon 0:350011bf8be7 98 }
simon 0:350011bf8be7 99 #endif
simon 0:350011bf8be7 100
simon 0:350011bf8be7 101 #endif /* __LWIP_NETBUF_H__ */