ICMPv6: Add file/build structure that will eventually support ICMPv6 auto-configuration

net/icmpv6/Kconfig

@@ -53,6 +53,14 @@ config ICMPv6_NEIGHBOR_DELAYMSEC
 
 endif # NET_ICMPv6_NEIGHBOR
 
+config NET_ICMPv6_AUTOCONF
+	bool "ICMPv6 autoconfiguration"
+	default n
+	---help---
+		Enable ioctl() logic that implements ICMPv6 auto configuration.
+		ICMPv6 auto configuration is an alternative to DHCPv6 for obtaining
+		an IPv6 address from a router.
+
 endif # NET_ICMPv6
 endmenu # ICMPv6 Networking Support
 endif # NET_IPv6

net/icmpv6/Make.defs

@@ -55,6 +55,10 @@ NET_CSRCS += icmpv6_poll.c
 endif
 endif
 
+ifeq ($(CONFIG_NET_ICMPv6_AUTOCONF),y)
+NET_CSRCS += icmpv6_autoconfig.c
+endif
+
 # Include ICMPv6 build support
 
 DEPPATH += --dep-path icmpv6

net/icmpv6/icmpv6.h

@@ -294,5 +294,25 @@ void icmpv6_notify(net_ipv6addr_t ipaddr);
 #  define icmpv6_notify(i)
 #endif
 
+/****************************************************************************
+ * Name: icmpv6_autoconfig
+ *
+ * Description:
+ *   Perform IPv6 auto-configuration to assign an IPv6 address to this
+ *   device.
+ *
+ * Parameters:
+ *   dev - The device driver structure to assign the address to
+ *
+ * Return:
+ *   Zero (OK) is returned on success; A negated errno value is returned on
+ *   any failure.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_NET_ICMPv6_AUTOCONF
+int icmpv6_autoconfig(FAR struct net_driver_s *dev);
+#endif
+
 #endif /* CONFIG_NET_ICMPv6 */
 #endif /* __NET_ICMPv6_ICMPv6_H */

net/icmpv6/icmpv6_autoconfig.c

@@ -0,0 +1,73 @@
+/****************************************************************************
+ * net/icmpv6/icmpv6_autoconfig.c
+ *
+ *   Copyright (C) 2015 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
+ * 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 NuttX 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 COPYRIGHT HOLDERS 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
+ * COPYRIGHT OWNER 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#ifdef CONFIG_NET_ICMPv6_AUTOCONF
+
+#include <errno.h>
+
+#include "icmpv6/icmpv6.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: icmpv6_autoconfig
+ *
+ * Description:
+ *   Perform IPv6 auto-configuration to assign an IPv6 address to this
+ *   device.
+ *
+ * Parameters:
+ *   dev - The device driver structure to assign the address to
+ *
+ * Return:
+ *   Zero (OK) is returned on success; A negated errno value is returned on
+ *   any failure.
+ *
+ ****************************************************************************/
+
+int icmpv6_autoconfig(FAR struct net_driver_s *dev)
+{
+#warning Missing logic
+  return -ENOSYS;
+}
+
+#endif /* CONFIG_NET_ICMPv6_AUTOCONF */