diff --git a/apps/netutils/uiplib/uip_setmacaddr.c b/apps/netutils/uiplib/uip_setmacaddr.c
index 28188b7f8e..f6cbe41326 100644
--- a/apps/netutils/uiplib/uip_setmacaddr.c
+++ b/apps/netutils/uiplib/uip_setmacaddr.c
@@ -1,8 +1,8 @@
 /****************************************************************************
  * netutils/uiplib/uip_setmacaddr.c
  *
- *   Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
- *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *   Copyright (C) 2007-2009, 2011-2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/nuttx/include/net/if.h b/nuttx/include/net/if.h
index 0733b699ca..247254786e 100644
--- a/nuttx/include/net/if.h
+++ b/nuttx/include/net/if.h
@@ -69,7 +69,7 @@ struct lifreq
     struct sockaddr_storage lifru_dstaddr;            /* P-to-P Address */
     struct sockaddr_storage lifru_broadaddr;          /* Broadcast address */
     struct sockaddr_storage lifru_netmask;            /* Netmask */
-    struct sockaddr_storage lifru_hwaddr;             /* MAC address */
+    struct sockaddr         lifru_hwaddr;             /* MAC address */
     int                     lifru_count;              /* Number of devices */
     int                     lifru_mtu;                /* MTU size */
   } lifr_ifru;
diff --git a/nuttx/net/netdev_ioctl.c b/nuttx/net/netdev_ioctl.c
index f78fc958a1..4b5876efa0 100644
--- a/nuttx/net/netdev_ioctl.c
+++ b/nuttx/net/netdev_ioctl.c
@@ -77,35 +77,55 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: ioctl_getipaddr / ioctl_setipaddr
+ * Name: ioctl_getipaddr
  *
  * Description:
- *   Copy IP addresses into and out of device structure
+ *   Copy IP addresses from device structure to user memory.
+ *
+ * Input Parameters:
+ *   outaddr - Pointer to the user-provided memory to receive the address.
+ *     Actual type may be either 'struct sockaddr' (IPv4 only) or type
+ *     'struct sockaddr_storage' (both IPv4 and IPv6).
+ *   inaddr - The source IP adress in the device structure.
  *
  ****************************************************************************/
 
-static void ioctl_getipaddr(struct sockaddr *outaddr, uip_ipaddr_t *inaddr)
+static void ioctl_getipaddr(FAR void *outaddr, FAR const uip_ipaddr_t *inaddr)
 {
 #ifdef CONFIG_NET_IPv6
-  struct sockaddr_in6 *dest = (struct sockaddr_in6 *)outaddr;
-  dest->sin_family = AF_INET6;
-  dest->sin_port   = 0;
+  FAR struct sockaddr_in6 *dest = (FAR struct sockaddr_in6 *)outaddr;
+  dest->sin_family              = AF_INET6;
+  dest->sin_port                = 0;
   memcpy(dest->sin6_addr.in6_u.u6_addr8, inaddr, 16);
 #else
-  struct sockaddr_in *dest = (struct sockaddr_in *)outaddr;
-  dest->sin_family = AF_INET;
-  dest->sin_port   = 0;
-  dest->sin_addr.s_addr = *inaddr;
+  FAR struct sockaddr_in *dest  = (FAR struct sockaddr_in *)outaddr;
+  dest->sin_family              = AF_INET;
+  dest->sin_port                = 0;
+  dest->sin_addr.s_addr         = *inaddr;
 #endif
 }
 
-static void ioctl_setipaddr(uip_ipaddr_t *outaddr, struct sockaddr *inaddr)
+/****************************************************************************
+ * Name: ioctl_setipaddr
+ *
+ * Description:
+ *   Copy IP addresses from user memory into the device structure
+ *
+ * Input Parameters:
+ *   outaddr - Pointer to the source IP address in the device structure.
+ *   inaddr - Pointer to the user-provided memory to containing the new IP
+ *     address.  Actual type may be either 'struct sockaddr' (IPv4 only) or
+ *     type 'struct sockaddr_storage' (both IPv4 and IPv6).
+ *
+ ****************************************************************************/
+
+static void ioctl_setipaddr(FAR uip_ipaddr_t *outaddr, FAR const void *inaddr)
 {
 #ifdef CONFIG_NET_IPv6
-  struct sockaddr_in6 *src = (struct sockaddr_in6 *)inaddr;
+  FAR const struct sockaddr_in6 *src = (FAR const struct sockaddr_in6 *)inaddr;
   memcpy(outaddr, src->sin6_addr.in6_u.u6_addr8, 16);
 #else
-  struct sockaddr_in *src = (struct sockaddr_in *)inaddr;
+  FAR const struct sockaddr_in *src = (FAR const struct sockaddr_in *)inaddr;
   *outaddr = src->sin_addr.s_addr;
 #endif
 }
diff --git a/nuttx/net/uip/uip_input.c b/nuttx/net/uip/uip_input.c
index 83fb7df33d..567e11617c 100644
--- a/nuttx/net/uip/uip_input.c
+++ b/nuttx/net/uip/uip_input.c
@@ -461,7 +461,7 @@ void uip_input(struct uip_driver_s *dev)
        */
 
       if (!uip_ipaddr_cmp(pbuf->destipaddr, dev->d_ipaddr) &&
-           pbuf->destipaddr & HTONL(0xffff0000) != HTONL(0xff020000))
+           (pbuf->destipaddr[0] & 0xffff) != 0xff02)
         {
 #ifdef CONFIG_NET_STATISTICS
           uip_stat.ip.drop++;