Networking: Move net/ipv6 to net/neighbor

net/Kconfig

@@ -181,18 +181,30 @@ config SLIP_DEFPRIO
 endif # NET_SLIP
 endmenu # Data link support
 
-source "net/socket/Kconfig"
 source "net/netdev/Kconfig"
 
-# source "net/ipv4/Kconfig"
 # Currently cannot select both IPv4 and IPv6
 
 config NET_IPv4
 	bool
 	default y if !NET_IPv6
 	default n if NET_IPv6
+	---help---
+		Build in support for IPv4.
 
-source "net/ipv6/Kconfig"
+menu "Internet Protocol Selection"
+	depends on EXPERIMENTAL
+
+config NET_IPv6
+	bool "IPv6"
+	default n
+	---help---
+		Build in support for IPv6.  Not fully implemented.
+
+source "net/neighbor/Kconfig"
+endmenu # Internet Protocol Selection
+
+source "net/socket/Kconfig"
 source "net/pkt/Kconfig"
 source "net/tcp/Kconfig"
 source "net/udp/Kconfig"

net/README.txt

@@ -8,12 +8,12 @@ Directory Structure
    |
    `- net/
        |
-       +- arp      - Address resolution protocol
+       +- arp      - Address resolution protocol (IPv4)
        +- devif    - Stack/device interface layer
        +- icmp     - Internet Control Message Protocol (IPv4)
        +- icmpv6   - Internet Control Message Protocol (IPv6)
        +- iob      - I/O buffering logic
-       +- ipv6     - Logic unique to IPv6
+       +- neighbor - Neighbor Discovery Protocol (IPv6)
        +- netdev   - Socket network device interface
        +- pkt      - "Raw" packet socket support
        +- socket   - BSD socket interface

net/devif/devif_poll.c

@@ -392,7 +392,7 @@ int devif_timer(FAR struct net_driver_s *dev, devif_poll_callback_t callback,
 
   /* Increment the timer used by the IP reassembly logic */
 
-#if defined(CONFIG_NET_TCP_REASSEMBLY) && !defined(CONFIG_NET_IPv6)
+#if defined(CONFIG_NET_TCP_REASSEMBLY) && defined(CONFIG_NET_IPv4)
   if (g_reassembly_timer != 0 &&
       g_reassembly_timer < CONFIG_NET_TCP_REASS_MAXAGE)
     {

net/neighbor/Kconfig

@@ -3,17 +3,10 @@
 # see misc/tools/kconfig-language.txt.
 #
 
-config NET_IPv6
-	bool "IPv6"
-	default n
-	depends on EXPERIMENTAL
-	---help---
-		Build in support for IPv6.  Not fully implemented.
-
 if NET_IPv6
 
 config NET_IPV6_NCONF_ENTRIES
-	int "Number of neighbors"
+	int "Number of IPv6 neighbors"
 	default 8
 
 #config NET_IPV6_NEIGHBOR_ADDRTYPE

net/neighbor/Make.defs

@@ -1,5 +1,5 @@
 ############################################################################
-# net/utils/Make.defs
+# net/neighbor/Make.defs
 #
 #   Copyright (C) 2014 Gregory Nutt. All rights reserved.
 #   Author: Gregory Nutt <gnutt@nuttx.org>
@@ -33,14 +33,14 @@
 #
 ############################################################################
 
-# IPv6-specific logic
+# Logic specific to IPv6 Neighbor Discovery Protocol
 
 ifeq ($(CONFIG_NET_IPv6),y)
 
-NET_CSRCS += ipv6_neighbor.c
+NET_CSRCS += neighbor.c
 
 # Include utility build support
 
-DEPPATH += --dep-path ipv6
+DEPPATH += --dep-path neighbor
-VPATH += :ipv6
+VPATH += :neighbor
 endif

net/neighbor/neighbor.c

@@ -1,11 +1,11 @@
 /****************************************************************************
- * net/ipv6/ipv6_neighbor.c
+ * net/neighbor/neighbor.c
  * Database of link-local neighbors, used by IPv6 code and to be used by
  * a future ARP code rewrite.
  *
+ *   Copyright (c) 2006, Swedish Institute of Computer Science.  All rights
+ *     reserved.
  *   Author: Adam Dunkels <adam@sics.se>
- *   Copyright (c) 2006, 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
@@ -45,7 +45,7 @@
 
 #include <nuttx/net/ip.h>
 
-#include "ipv6/ipv6.h"
+#include "neighbor/neighbor.h"
 
 /****************************************************************************
  * Pre-processor Definitions

net/neighbor/neighbor.h

@@ -1,5 +1,5 @@
 /****************************************************************************
- * net/ipv6/ipv6.h
+ * net/neighbor/neighbor.h
  * Header file for database of link-local neighbors, used by IPv6 code and
  * to be used by future ARP code.
  *
@@ -38,8 +38,8 @@
  *
  ****************************************************************************/
 
-#ifndef __NET_IPV6_IPV6_H
+#ifndef __NET_NEIGHBOR_NEIGHBOR_H
-#define __NET_IPV6_IPV6_H
+#define __NET_NEIGHBOR_NEIGHBOR_H
 
 /****************************************************************************
  * Included Files
@@ -81,5 +81,5 @@ struct net_neighbor_addr_s *net_neighbor_lookup(net_ipv6addr_t ipaddr);
 void net_neighbor_periodic(void);
 
 #endif /* CONFIG_NET_IPv6 */
-#endif /* __NET_IPV6_IPV6_H */
+#endif /* __NET_NEIGHBOR_NEIGHBOR_H */