Documentation improvements - put driver example code into its own section, fix incorr...

[pub/USBasp.git] / Projects / Webserver / Lib / uip / uip-split.c

diff --git a/Projects/Webserver/Lib/uip/uip-split.c b/Projects/Webserver/Lib/uip/uip-split.c
index a910ee6..87dbd7e 100644 (file)
--- a/Projects/Webserver/Lib/uip/uip-split.c
+++ b/Projects/Webserver/Lib/uip/uip-split.c
@@ -26,20 +26,14 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * 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
+ * This file is part of the Contiki operating system.

  *
  * Author: Adam Dunkels <adam@sics.se>
  *
  *
  * Author: Adam Dunkels <adam@sics.se>
  *

- * $Id: uip-split.c,v 1.2 2006/06/12 08:00:30 adam Exp $
+ * $Id: uip-split.c,v 1.2 2008/10/14 13:39:12 julienabeille Exp $

  */
 
  */
 

-#include <string.h>
-

 #include "uip-split.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])
 
 
 #define BUF ((struct uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN])


@@ -48,13 +42,13 @@
 void
 uip_split_output(void)
 {
 void
 uip_split_output(void)
 {

+#if UIP_TCP

   u16_t tcplen, len1, len2;
 
   /* We only try to split maximum sized TCP segments. */
   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) {
+  if(BUF->proto == UIP_PROTO_TCP  && uip_len == UIP_BUFSIZE) {

 
 

-    tcplen = uip_len - UIP_TCPIP_HLEN;
+    tcplen = uip_len - UIP_TCPIP_HLEN - UIP_LLH_LEN;

     /* Split the segment in two. If the original packet length was
        odd, we make the second packet one byte larger. */
     len1 = len2 = tcplen / 2;
     /* Split the segment in two. If the original packet length was
        odd, we make the second packet one byte larger. */
     len1 = len2 = tcplen / 2;


@@ -64,17 +58,17 @@ uip_split_output(void)
 
     /* Create the first packet. This is done by altering the length
        field of the IP header and updating the checksums. */
 
     /* 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;
+    uip_len = len1 + UIP_TCPIP_HLEN + UIP_LLH_LEN;

 #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 */
 #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;
+    BUF->len[0] = (uip_len - UIP_LLH_LEN) >> 8;
+    BUF->len[1] = (uip_len - UIP_LLH_LEN) & 0xff;

 #endif /* UIP_CONF_IPV6 */
 #endif /* UIP_CONF_IPV6 */

-    
+

     /* Recalculate the TCP checksum. */
     BUF->tcpchksum = 0;
     BUF->tcpchksum = ~(uip_tcpchksum());
     /* Recalculate the TCP checksum. */
     BUF->tcpchksum = 0;
     BUF->tcpchksum = ~(uip_tcpchksum());


@@ -84,28 +78,30 @@ uip_split_output(void)
     BUF->ipchksum = 0;
     BUF->ipchksum = ~(uip_ipchksum());
 #endif /* UIP_CONF_IPV6 */
     BUF->ipchksum = 0;
     BUF->ipchksum = ~(uip_ipchksum());
 #endif /* UIP_CONF_IPV6 */

-    
+

     /* Transmit the first packet. */
     /* Transmit the first packet. */

-    /*    uip_fw_output();*/
-    tcpip_output();
+#if UIP_CONF_IPV6
+    tcpip_ipv6_output();
+#else
+       RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, uip_buf, uip_len);
+#endif /* UIP_CONF_IPV6 */

 
     /* 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
 
     /* 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
+       memory. This place is determined by the length of the first

        packet (len1). */
        packet (len1). */

-    uip_len = len2 + UIP_TCPIP_HLEN;
+    uip_len = len2 + UIP_TCPIP_HLEN + UIP_LLH_LEN;

 #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 */
 #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;
+    BUF->len[0] = (uip_len  - UIP_LLH_LEN) >> 8;
+    BUF->len[1] = (uip_len - UIP_LLH_LEN) & 0xff;

 #endif /* UIP_CONF_IPV6 */
 #endif /* UIP_CONF_IPV6 */

-    
-    /*    uip_appdata += len1;*/
+

     memcpy(uip_appdata, (u8_t *)uip_appdata + len1, len2);
 
     uip_add32(BUF->seqno, len1);
     memcpy(uip_appdata, (u8_t *)uip_appdata + len1, len2);
 
     uip_add32(BUF->seqno, len1);


@@ -113,7 +109,7 @@ uip_split_output(void)
     BUF->seqno[1] = uip_acc32[1];
     BUF->seqno[2] = uip_acc32[2];
     BUF->seqno[3] = uip_acc32[3];
     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());
     /* Recalculate the TCP checksum. */
     BUF->tcpchksum = 0;
     BUF->tcpchksum = ~(uip_tcpchksum());


@@ -125,12 +121,22 @@ uip_split_output(void)
 #endif /* UIP_CONF_IPV6 */
 
     /* Transmit the second packet. */
 #endif /* UIP_CONF_IPV6 */
 
     /* Transmit the second packet. */

-    /*    uip_fw_output();*/
-    tcpip_output();
-  } else {
-    /*    uip_fw_output();*/
-    tcpip_output();
+#if UIP_CONF_IPV6
+    tcpip_ipv6_output();
+#else
+       RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, uip_buf, uip_len);
+#endif /* UIP_CONF_IPV6 */
+    return;

   }
   }

-     
+#endif /* UIP_TCP */
+
+  /*    uip_fw_output();*/
+#if UIP_CONF_IPV6
+       tcpip_ipv6_output();
+#else
+       RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, uip_buf, uip_len);
+#endif /* UIP_CONF_IPV6 */

 }
 }

+

 /*-----------------------------------------------------------------------------*/
 /*-----------------------------------------------------------------------------*/

+