trying to make telnetserver repo public
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Diff: LPC2368/lwip/include/lwip/netbuf.h
- Revision:
- 0:422060928e37
- Child:
- 5:bc7df6da7589
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LPC2368/lwip/include/lwip/netbuf.h Fri Jun 11 16:25:22 2010 +0000 @@ -0,0 +1,85 @@ +/* + * 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_NETBUF_H__ +#define __LWIP_NETBUF_H__ + +#include "lwip/opt.h" +#include "lwip/pbuf.h" +#include "lwip/ip_addr.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct netbuf { + struct pbuf *p, *ptr; + ip_addr_t *addr; + u16_t port; +#if LWIP_NETBUF_RECVINFO + ip_addr_t *toaddr; + u16_t toport; +#endif /* LWIP_NETBUF_RECVINFO */ +}; + +/* Network buffer functions: */ +struct netbuf * netbuf_new (void); +void netbuf_delete (struct netbuf *buf); +void * netbuf_alloc (struct netbuf *buf, u16_t size); +void netbuf_free (struct netbuf *buf); +err_t netbuf_ref (struct netbuf *buf, + const void *dataptr, u16_t size); +void netbuf_chain (struct netbuf *head, + struct netbuf *tail); + +err_t netbuf_data (struct netbuf *buf, + void **dataptr, u16_t *len); +s8_t netbuf_next (struct netbuf *buf); +void netbuf_first (struct netbuf *buf); + + +#define netbuf_copy_partial(buf, dataptr, len, offset) \ + pbuf_copy_partial((buf)->p, (dataptr), (len), (offset)) +#define netbuf_copy(buf,dataptr,len) netbuf_copy_partial(buf, dataptr, len, 0) +#define netbuf_take(buf, dataptr, len) pbuf_take((buf)->p, dataptr, len) +#define netbuf_len(buf) ((buf)->p->tot_len) +#define netbuf_fromaddr(buf) ((buf)->addr) +#define netbuf_fromport(buf) ((buf)->port) +#if LWIP_NETBUF_RECVINFO +#define netbuf_destaddr(buf) ((buf)->toaddr) +#define netbuf_destport(buf) ((buf)->toport) +#endif /* LWIP_NETBUF_RECVINFO */ + +#ifdef __cplusplus +} +#endif + +#endif /* __LWIP_NETBUF_H__ */