diff options
Diffstat (limited to 'cfe/cfe/net/net_tcpbuf.h')
| -rw-r--r-- | cfe/cfe/net/net_tcpbuf.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/cfe/cfe/net/net_tcpbuf.h b/cfe/cfe/net/net_tcpbuf.h new file mode 100644 index 0000000..0c251e3 --- /dev/null +++ b/cfe/cfe/net/net_tcpbuf.h @@ -0,0 +1,83 @@ +/* ********************************************************************* + * Broadcom Common Firmware Environment (CFE) + * + * TCP Protocol Definitions File: net_tcp.h + * + * This file contains TCP protocol-specific definitions + * + * Author: Mitch Lichtenberg (mpl@broadcom.com) + * + ********************************************************************* + * + * Copyright 2000,2001,2002,2003 + * Broadcom Corporation. All rights reserved. + * + * This software is furnished under license and may be used and + * copied only in accordance with the following terms and + * conditions. Subject to these conditions, you may download, + * copy, install, use, modify and distribute modified or unmodified + * copies of this software in source and/or binary form. No title + * or ownership is transferred hereby. + * + * 1) Any source code used, modified or distributed must reproduce + * and retain this copyright notice and list of conditions + * as they appear in the source file. + * + * 2) No right is granted to use any trade name, trademark, or + * logo of Broadcom Corporation. The "Broadcom Corporation" + * name may not be used to endorse or promote products derived + * from this software without the prior written permission of + * Broadcom Corporation. + * + * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED + * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR + * PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT + * SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN + * PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR 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), EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + ********************************************************************* */ + +/* ********************************************************************* + * Macros + ********************************************************************* */ + +#define tmb_remlen(tmb) ((tmb)->tmb_bufsize - (tmb)->tmb_len) +#define tmb_curlen(tmb) ((tmb)->tmb_len) + + +/* ********************************************************************* + * Modulo Buffer + ********************************************************************* */ + +typedef struct tcpmodbuf_s { + uint8_t *tmb_buf; /* Buffer */ + int tmb_bufsize; /* size of buffer */ + int tmb_addptr; /* current "add" pointer */ + int tmb_remptr; /* current "remove" pointer */ + int tmb_len; /* amount of data in the buffer */ +} tcpmodbuf_t; + + +/* ********************************************************************* + * Prototypes + ********************************************************************* */ + +void tmb_init(tcpmodbuf_t *buf); +void tmb_adjust(tcpmodbuf_t *buf,int amt); +int tmb_alloc(tcpmodbuf_t *buf,int size); +void tmb_free(tcpmodbuf_t *buf); +int tmb_copyin(tcpmodbuf_t *tmb,uint8_t *buf,int len,int update); +int tmb_copyout(tcpmodbuf_t *tmb,uint8_t *buf,int len,int update); +int tmb_copyout2(tcpmodbuf_t *tmb,uint8_t *buf,int offset,int len); + + + + + |