Lorcan Smith / Mbed 2 deprecated Enet_SPI

SNMP agent attached to SPI slave

Dependencies:   mbed

lwip/include/lwip/netbuf.h@0:2a53a4c3238c, 2012-08-13 (annotated)

Committer:
lorcansmith
Date:
Mon Aug 13 15:07:40 2012 +0000
Revision:
0:2a53a4c3238c
v1.1 release includes ioAlarm traps

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lorcansmith 0:2a53a4c3238c 1 /*
lorcansmith 0:2a53a4c3238c 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
lorcansmith 0:2a53a4c3238c 3 * All rights reserved.
lorcansmith 0:2a53a4c3238c 4 *
lorcansmith 0:2a53a4c3238c 5 * Redistribution and use in source and binary forms, with or without modification,
lorcansmith 0:2a53a4c3238c 6 * are permitted provided that the following conditions are met:
lorcansmith 0:2a53a4c3238c 7 *
lorcansmith 0:2a53a4c3238c 8 * 1. Redistributions of source code must retain the above copyright notice,
lorcansmith 0:2a53a4c3238c 9 * this list of conditions and the following disclaimer.
lorcansmith 0:2a53a4c3238c 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
lorcansmith 0:2a53a4c3238c 11 * this list of conditions and the following disclaimer in the documentation
lorcansmith 0:2a53a4c3238c 12 * and/or other materials provided with the distribution.
lorcansmith 0:2a53a4c3238c 13 * 3. The name of the author may not be used to endorse or promote products
lorcansmith 0:2a53a4c3238c 14 * derived from this software without specific prior written permission.
lorcansmith 0:2a53a4c3238c 15 *
lorcansmith 0:2a53a4c3238c 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
lorcansmith 0:2a53a4c3238c 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
lorcansmith 0:2a53a4c3238c 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
lorcansmith 0:2a53a4c3238c 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
lorcansmith 0:2a53a4c3238c 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
lorcansmith 0:2a53a4c3238c 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
lorcansmith 0:2a53a4c3238c 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
lorcansmith 0:2a53a4c3238c 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
lorcansmith 0:2a53a4c3238c 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
lorcansmith 0:2a53a4c3238c 25 * OF SUCH DAMAGE.
lorcansmith 0:2a53a4c3238c 26 *
lorcansmith 0:2a53a4c3238c 27 * This file is part of the lwIP TCP/IP stack.
lorcansmith 0:2a53a4c3238c 28 *
lorcansmith 0:2a53a4c3238c 29 * Author: Adam Dunkels <adam@sics.se>
lorcansmith 0:2a53a4c3238c 30 *
lorcansmith 0:2a53a4c3238c 31 */
lorcansmith 0:2a53a4c3238c 32 #ifndef __LWIP_NETBUF_H__
lorcansmith 0:2a53a4c3238c 33 #define __LWIP_NETBUF_H__
lorcansmith 0:2a53a4c3238c 34
lorcansmith 0:2a53a4c3238c 35 #include "lwip/opt.h"
lorcansmith 0:2a53a4c3238c 36 #include "lwip/pbuf.h"
lorcansmith 0:2a53a4c3238c 37 #include "lwip/ip_addr.h"
lorcansmith 0:2a53a4c3238c 38
lorcansmith 0:2a53a4c3238c 39 #ifdef __cplusplus
lorcansmith 0:2a53a4c3238c 40 extern "C" {
lorcansmith 0:2a53a4c3238c 41 #endif
lorcansmith 0:2a53a4c3238c 42
lorcansmith 0:2a53a4c3238c 43 /** This netbuf has dest-addr/port set */
lorcansmith 0:2a53a4c3238c 44 #define NETBUF_FLAG_DESTADDR 0x01
lorcansmith 0:2a53a4c3238c 45 /** This netbuf includes a checksum */
lorcansmith 0:2a53a4c3238c 46 #define NETBUF_FLAG_CHKSUM 0x02
lorcansmith 0:2a53a4c3238c 47
lorcansmith 0:2a53a4c3238c 48 struct netbuf {
lorcansmith 0:2a53a4c3238c 49 struct pbuf *p, *ptr;
lorcansmith 0:2a53a4c3238c 50 ip_addr_t addr;
lorcansmith 0:2a53a4c3238c 51 u16_t port;
lorcansmith 0:2a53a4c3238c 52 #if LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY
lorcansmith 0:2a53a4c3238c 53 #if LWIP_CHECKSUM_ON_COPY
lorcansmith 0:2a53a4c3238c 54 u8_t flags;
lorcansmith 0:2a53a4c3238c 55 #endif /* LWIP_CHECKSUM_ON_COPY */
lorcansmith 0:2a53a4c3238c 56 u16_t toport_chksum;
lorcansmith 0:2a53a4c3238c 57 #if LWIP_NETBUF_RECVINFO
lorcansmith 0:2a53a4c3238c 58 ip_addr_t toaddr;
lorcansmith 0:2a53a4c3238c 59 #endif /* LWIP_NETBUF_RECVINFO */
lorcansmith 0:2a53a4c3238c 60 #endif /* LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY */
lorcansmith 0:2a53a4c3238c 61 };
lorcansmith 0:2a53a4c3238c 62
lorcansmith 0:2a53a4c3238c 63 /* Network buffer functions: */
lorcansmith 0:2a53a4c3238c 64 struct netbuf * netbuf_new (void);
lorcansmith 0:2a53a4c3238c 65 void netbuf_delete (struct netbuf *buf);
lorcansmith 0:2a53a4c3238c 66 void * netbuf_alloc (struct netbuf *buf, u16_t size);
lorcansmith 0:2a53a4c3238c 67 void netbuf_free (struct netbuf *buf);
lorcansmith 0:2a53a4c3238c 68 err_t netbuf_ref (struct netbuf *buf,
lorcansmith 0:2a53a4c3238c 69 const void *dataptr, u16_t size);
lorcansmith 0:2a53a4c3238c 70 void netbuf_chain (struct netbuf *head,
lorcansmith 0:2a53a4c3238c 71 struct netbuf *tail);
lorcansmith 0:2a53a4c3238c 72
lorcansmith 0:2a53a4c3238c 73 err_t netbuf_data (struct netbuf *buf,
lorcansmith 0:2a53a4c3238c 74 void **dataptr, u16_t *len);
lorcansmith 0:2a53a4c3238c 75 s8_t netbuf_next (struct netbuf *buf);
lorcansmith 0:2a53a4c3238c 76 void netbuf_first (struct netbuf *buf);
lorcansmith 0:2a53a4c3238c 77
lorcansmith 0:2a53a4c3238c 78
lorcansmith 0:2a53a4c3238c 79 #define netbuf_copy_partial(buf, dataptr, len, offset) \
lorcansmith 0:2a53a4c3238c 80 pbuf_copy_partial((buf)->p, (dataptr), (len), (offset))
lorcansmith 0:2a53a4c3238c 81 #define netbuf_copy(buf,dataptr,len) netbuf_copy_partial(buf, dataptr, len, 0)
lorcansmith 0:2a53a4c3238c 82 #define netbuf_take(buf, dataptr, len) pbuf_take((buf)->p, dataptr, len)
lorcansmith 0:2a53a4c3238c 83 #define netbuf_len(buf) ((buf)->p->tot_len)
lorcansmith 0:2a53a4c3238c 84 #define netbuf_fromaddr(buf) (&((buf)->addr))
lorcansmith 0:2a53a4c3238c 85 #define netbuf_set_fromaddr(buf, fromaddr) ip_addr_set((&(buf)->addr), fromaddr)
lorcansmith 0:2a53a4c3238c 86 #define netbuf_fromport(buf) ((buf)->port)
lorcansmith 0:2a53a4c3238c 87 #if LWIP_NETBUF_RECVINFO
lorcansmith 0:2a53a4c3238c 88 #define netbuf_destaddr(buf) (&((buf)->toaddr))
lorcansmith 0:2a53a4c3238c 89 #define netbuf_set_destaddr(buf, destaddr) ip_addr_set((&(buf)->addr), destaddr)
lorcansmith 0:2a53a4c3238c 90 #define netbuf_destport(buf) (((buf)->flags & NETBUF_FLAG_DESTADDR) ? (buf)->toport_chksum : 0)
lorcansmith 0:2a53a4c3238c 91 #endif /* LWIP_NETBUF_RECVINFO */
lorcansmith 0:2a53a4c3238c 92 #if LWIP_CHECKSUM_ON_COPY
lorcansmith 0:2a53a4c3238c 93 #define netbuf_set_chksum(buf, chksum) do { (buf)->flags = NETBUF_FLAG_CHKSUM; \
lorcansmith 0:2a53a4c3238c 94 (buf)->toport_chksum = chksum; } while(0)
lorcansmith 0:2a53a4c3238c 95 #endif /* LWIP_CHECKSUM_ON_COPY */
lorcansmith 0:2a53a4c3238c 96
lorcansmith 0:2a53a4c3238c 97 #ifdef __cplusplus
lorcansmith 0:2a53a4c3238c 98 }
lorcansmith 0:2a53a4c3238c 99 #endif
lorcansmith 0:2a53a4c3238c 100
lorcansmith 0:2a53a4c3238c 101 #endif /* __LWIP_NETBUF_H__ */