diff options
Diffstat (limited to 'nuttx/net/uip/uip_tcpseqno.c')
| -rw-r--r-- | nuttx/net/uip/uip_tcpseqno.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/nuttx/net/uip/uip_tcpseqno.c b/nuttx/net/uip/uip_tcpseqno.c deleted file mode 100644 index 2eca06e85..000000000 --- a/nuttx/net/uip/uip_tcpseqno.c +++ /dev/null @@ -1,173 +0,0 @@ -/**************************************************************************** - * net/uip/uip_tcpseqno.c - * - * Copyright (C) 2007-2009 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Large parts of this file were leveraged from uIP logic: - * - * Copyright (c) 2001-2003, Adam Dunkels. - * 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. - * - ****************************************************************************/ - -/**************************************************************************** - * Compilation Switches - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> -#if defined(CONFIG_NET) && defined(CONFIG_NET_TCP) - -#include <stdint.h> -#include <debug.h> - -#include <nuttx/net/uip/uipopt.h> -#include <nuttx/net/uip/uip.h> -#include <nuttx/net/uip/uip-arch.h> - -#include "uip_internal.h" - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/* g_tcpsequence is used to generate initial TCP sequence numbers */ - -static uint32_t g_tcpsequence; - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: uip_tcpsetsequence - * - * Description: - * Set the TCP/IP sequence number - * - * Assumptions: - * This function may called from the interrupt level - * - ****************************************************************************/ - -void uip_tcpsetsequence(FAR uint8_t *seqno, uint32_t value) -{ - /* Copy the sequence number in network (big-endian) order */ - - *seqno++ = value >> 24; - *seqno++ = (value >> 16) & 0xff; - *seqno++ = (value >> 8) & 0xff; - *seqno = value & 0xff; -} - -/**************************************************************************** - * Name: uip_tcpgetsequence - * - * Description: - * Get the TCP/IP sequence number - * - * Assumptions: - * This function may called from the interrupt level - * - ****************************************************************************/ - -uint32_t uip_tcpgetsequence(FAR uint8_t *seqno) -{ - uint32_t value; - - /* Combine the sequence number from network (big-endian) order */ - - value = (uint32_t)seqno[0] << 24 | - (uint32_t)seqno[1] << 16 | - (uint32_t)seqno[2] << 8 | - (uint32_t)seqno[3]; - return value; -} - -/**************************************************************************** - * Name: uip_tcpaddsequence - * - * Description: - * Add the length to get the next TCP sequence number. - * - * Assumptions: - * This function may called from the interrupt level - * - ****************************************************************************/ - -uint32_t uip_tcpaddsequence(FAR uint8_t *seqno, uint16_t len) -{ - return uip_tcpgetsequence(seqno) + (uint32_t)len; -} - -/**************************************************************************** - * Name: uip_tcpinitsequence - * - * Description: - * Set the (initial) the TCP/IP sequence number when a TCP connection is - * established. - * - * Assumptions: - * This function may called from the interrupt level - * - ****************************************************************************/ - -void uip_tcpinitsequence(FAR uint8_t *seqno) -{ - uip_tcpsetsequence(seqno, g_tcpsequence); -} - -/**************************************************************************** - * Name: uip_tcpnextsequence - * - * Description: - * Increment the TCP/IP sequence number - * - * Assumptions: - * This function is called from the interrupt level - * - ****************************************************************************/ - -void uip_tcpnextsequence(void) -{ - g_tcpsequence++; -} - -#endif /* CONFIG_NET && CONFIG_NET_TCP */ |