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authorDean Camera <dean@fourwalledcubicle.com>2010-02-02 12:51:05 +0000
committerDean Camera <dean@fourwalledcubicle.com>2010-02-02 12:51:05 +0000
commit84e1241f8063dab6b82a580584fa11893a162b55 (patch)
tree22c4f596fcfc35d689d3a5665f1602db9fc66261 /Projects/Webserver/Lib/uip/uip-split.c
parent1008260985a50df686bb6c0b73c6a0b10fd24b2b (diff)
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Replace the Webserver demo's uIP with the latest code ripped from the Contiki project by Adam Dunkels.
Diffstat (limited to 'Projects/Webserver/Lib/uip/uip-split.c')
-rw-r--r--Projects/Webserver/Lib/uip/uip-split.c136
1 files changed, 0 insertions, 136 deletions
diff --git a/Projects/Webserver/Lib/uip/uip-split.c b/Projects/Webserver/Lib/uip/uip-split.c
deleted file mode 100644
index a910ee621..000000000
--- a/Projects/Webserver/Lib/uip/uip-split.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * Copyright (c) 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. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 uIP TCP/IP stack
- *
- * Author: Adam Dunkels <adam@sics.se>
- *
- * $Id: uip-split.c,v 1.2 2006/06/12 08:00:30 adam Exp $
- */
-
-#include <string.h>
-
-#include "uip-split.h"
-#include "uip.h"
-#include "uip-fw.h"
-#include "uip_arch.h"
-
-
-
-#define BUF ((struct uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN])
-
-/*-----------------------------------------------------------------------------*/
-void
-uip_split_output(void)
-{
- u16_t tcplen, len1, len2;
-
- /* We only try to split maximum sized TCP segments. */
- if(BUF->proto == UIP_PROTO_TCP &&
- uip_len == UIP_BUFSIZE - UIP_LLH_LEN) {
-
- tcplen = uip_len - UIP_TCPIP_HLEN;
- /* Split the segment in two. If the original packet length was
- odd, we make the second packet one byte larger. */
- len1 = len2 = tcplen / 2;
- if(len1 + len2 < tcplen) {
- ++len2;
- }
-
- /* Create the first packet. This is done by altering the length
- field of the IP header and updating the checksums. */
- uip_len = len1 + UIP_TCPIP_HLEN;
-#if UIP_CONF_IPV6
- /* For IPv6, the IP length field does not include the IPv6 IP header
- length. */
- BUF->len[0] = ((uip_len - UIP_IPH_LEN) >> 8);
- BUF->len[1] = ((uip_len - UIP_IPH_LEN) & 0xff);
-#else /* UIP_CONF_IPV6 */
- BUF->len[0] = uip_len >> 8;
- BUF->len[1] = uip_len & 0xff;
-#endif /* UIP_CONF_IPV6 */
-
- /* Recalculate the TCP checksum. */
- BUF->tcpchksum = 0;
- BUF->tcpchksum = ~(uip_tcpchksum());
-
-#if !UIP_CONF_IPV6
- /* Recalculate the IP checksum. */
- BUF->ipchksum = 0;
- BUF->ipchksum = ~(uip_ipchksum());
-#endif /* UIP_CONF_IPV6 */
-
- /* Transmit the first packet. */
- /* uip_fw_output();*/
- tcpip_output();
-
- /* Now, create the second packet. To do this, it is not enough to
- just alter the length field, but we must also update the TCP
- sequence number and point the uip_appdata to a new place in
- memory. This place is detemined by the length of the first
- packet (len1). */
- uip_len = len2 + UIP_TCPIP_HLEN;
-#if UIP_CONF_IPV6
- /* For IPv6, the IP length field does not include the IPv6 IP header
- length. */
- BUF->len[0] = ((uip_len - UIP_IPH_LEN) >> 8);
- BUF->len[1] = ((uip_len - UIP_IPH_LEN) & 0xff);
-#else /* UIP_CONF_IPV6 */
- BUF->len[0] = uip_len >> 8;
- BUF->len[1] = uip_len & 0xff;
-#endif /* UIP_CONF_IPV6 */
-
- /* uip_appdata += len1;*/
- memcpy(uip_appdata, (u8_t *)uip_appdata + len1, len2);
-
- uip_add32(BUF->seqno, len1);
- BUF->seqno[0] = uip_acc32[0];
- BUF->seqno[1] = uip_acc32[1];
- BUF->seqno[2] = uip_acc32[2];
- BUF->seqno[3] = uip_acc32[3];
-
- /* Recalculate the TCP checksum. */
- BUF->tcpchksum = 0;
- BUF->tcpchksum = ~(uip_tcpchksum());
-
-#if !UIP_CONF_IPV6
- /* Recalculate the IP checksum. */
- BUF->ipchksum = 0;
- BUF->ipchksum = ~(uip_ipchksum());
-#endif /* UIP_CONF_IPV6 */
-
- /* Transmit the second packet. */
- /* uip_fw_output();*/
- tcpip_output();
- } else {
- /* uip_fw_output();*/
- tcpip_output();
- }
-
-}
-/*-----------------------------------------------------------------------------*/