OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [Common/] [ethernet/] [lwIP_130/] [src/] [include/] [lwip/] [netbuf.h] - Blame information for rev 606

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 606 jeremybenn
/*
2
 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without modification,
6
 * are permitted provided that the following conditions are met:
7
 *
8
 * 1. Redistributions of source code must retain the above copyright notice,
9
 *    this list of conditions and the following disclaimer.
10
 * 2. Redistributions in binary form must reproduce the above copyright notice,
11
 *    this list of conditions and the following disclaimer in the documentation
12
 *    and/or other materials provided with the distribution.
13
 * 3. The name of the author may not be used to endorse or promote products
14
 *    derived from this software without specific prior written permission.
15
 *
16
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19
 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
21
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
24
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
25
 * OF SUCH DAMAGE.
26
 *
27
 * This file is part of the lwIP TCP/IP stack.
28
 *
29
 * Author: Adam Dunkels <adam@sics.se>
30
 *
31
 */
32
#ifndef __LWIP_NETBUF_H__
33
#define __LWIP_NETBUF_H__
34
 
35
#include "lwip/opt.h"
36
#include "lwip/pbuf.h"
37
 
38
#ifdef __cplusplus
39
extern "C" {
40
#endif
41
 
42
struct netbuf {
43
  struct pbuf *p, *ptr;
44
  struct ip_addr *addr;
45
  u16_t port;
46
};
47
 
48
/* Network buffer functions: */
49
struct netbuf *   netbuf_new      (void);
50
void              netbuf_delete   (struct netbuf *buf);
51
void *            netbuf_alloc    (struct netbuf *buf, u16_t size);
52
void              netbuf_free     (struct netbuf *buf);
53
err_t             netbuf_ref      (struct netbuf *buf,
54
           const void *dataptr, u16_t size);
55
void              netbuf_chain    (struct netbuf *head,
56
           struct netbuf *tail);
57
 
58
u16_t             netbuf_len      (struct netbuf *buf);
59
err_t             netbuf_data     (struct netbuf *buf,
60
           void **dataptr, u16_t *len);
61
s8_t              netbuf_next     (struct netbuf *buf);
62
void              netbuf_first    (struct netbuf *buf);
63
 
64
 
65
#define netbuf_copy_partial(buf, dataptr, len, offset) \
66
  pbuf_copy_partial((buf)->p, (dataptr), (len), (offset))
67
#define netbuf_copy(buf,dataptr,len) netbuf_copy_partial(buf, dataptr, len, 0)
68
#define netbuf_len(buf)              ((buf)->p->tot_len)
69
#define netbuf_fromaddr(buf)         ((buf)->addr)
70
#define netbuf_fromport(buf)         ((buf)->port)
71
 
72
#ifdef __cplusplus
73
}
74
#endif
75
 
76
#endif /* __LWIP_NETBUF_H__ */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.