Implements basic TCP connection logic

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@326 42af7a65-404d-4744-a932-0658087f49c3

arch/sim/src/up_tapdev.c

@@ -198,7 +198,7 @@ void tapdev_init(void)
     struct ifreq ifr;
     memset(&ifr, 0, sizeof(ifr));
     ifr.ifr_flags = IFF_TAP|IFF_NO_PI;
-    if (up_ioctl(gtapdevfd, TUNSETIFF, (void *) &ifr) < 0)
+    if (up_ioctl(gtapdevfd, TUNSETIFF, (unsigned long *) &ifr) < 0)
       {
         lib_rawprintf(buf);
         return;

arch/sim/src/up_uipdriver.c

@@ -145,7 +145,7 @@ void uipdriver_loop(void)
       timer_reset(&periodic_timer);
       for(i = 0; i < UIP_CONNS; i++)
         {
-          uip_periodic(i);
+          uip_tcppoll(i);
 
           /* If the above function invocation resulted in data that
            * should be sent out on the network, the global variable