net/: add NET_ICMP[v6]_NO_STACK for usrsock case

net/devif/ipv4_input.c

@@ -548,7 +548,7 @@ int ipv4_input(FAR struct net_driver_s *dev)
         break;
 #endif
 
-#ifdef CONFIG_NET_ICMP
+#ifdef NET_ICMP_HAVE_STACK
   /* Check for ICMP input */
 
       case IP_PROTO_ICMP:  /* ICMP input */

net/devif/ipv6_input.c

@@ -512,9 +512,9 @@ int ipv6_input(FAR struct net_driver_s *dev)
         break;
 #endif
 
-#ifdef CONFIG_NET_ICMPv6
       /* Check for ICMP input */
 
+#ifdef NET_ICMPv6_HAVE_STACK
       case IP_PROTO_ICMP6: /* ICMP6 input */
         /* Forward the ICMPv6 packet */
 
@@ -546,7 +546,7 @@ int ipv6_input(FAR struct net_driver_s *dev)
           }
 #endif /* CONFIG_NET_6LOWPAN */
         break;
-#endif /* CONFIG_NET_ICMPv6 */
+#endif /* NET_ICMPv6_HAVE_STACK */
 
       default:              /* Unrecognized/unsupported protocol */
         nwarn("WARNING: Unrecognized IP protocol: %04x\n", ipv6->proto);

net/icmp/Kconfig

@@ -13,7 +13,14 @@ config NET_ICMP
 		Enable minimal ICMP support. Includes built-in support
 		for sending replies to received ECHO (ping) requests.
 
-if NET_ICMP
+config NET_ICMP_NO_STACK
+	bool "Disable ICMP stack"
+	default n
+	select NET_ICMP
+	---help---
+		Build without ICMP stack even if ICMP networking support enabled.
+
+if NET_ICMP && !NET_ICMP_NO_STACK
 
 config NET_ICMP_SOCKET
 	bool "IPPROTO_ICMP socket support"
@@ -31,6 +38,6 @@ config NET_ICMP_NCONNS
 	depends on MM_IOB
 
 endif # NET_ICMP_SOCKET
-endif # NET_ICMP
+endif # NET_ICMP && !NET_ICMP_NO_STACK
 endmenu # ICMP Networking Support
 endif # NET_IPv4

net/icmp/Make.defs

@@ -34,6 +34,7 @@
 ############################################################################
 
 ifeq ($(CONFIG_NET_ICMP),y)
+ifneq ($(CONFIG_NET_ICMP_NO_STACK),y)
 
 # ICMP source files
 
@@ -51,4 +52,6 @@ endif
 
 DEPPATH += --dep-path icmp
 VPATH += :icmp
-endif
+
+endif # !CONFIG_NET_ICMP_NO_STACK
+endif # CONFIG_NET_ICMP

net/icmp/icmp.h

@@ -51,12 +51,14 @@
 #include <nuttx/net/ip.h>
 #include <nuttx/net/netdev.h>
 
-#ifdef CONFIG_NET_ICMP
+#if defined(CONFIG_NET_ICMP) && !defined(CONFIG_NET_ICMP_NO_STACK)
 
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
 
+#define NET_ICMP_HAVE_STACK 1
+
 /* Allocate/free an ICMP data callback */
 
 #define icmp_callback_alloc(dev)   devif_callback_alloc(dev, &(dev)->d_conncb)
@@ -360,5 +362,5 @@ int icmp_pollteardown(FAR struct socket *psock, FAR struct pollfd *fds);
 }
 #endif
 
-#endif /* CONFIG_NET_ICMP */
+#endif /* CONFIG_NET_ICMP && !CONFIG_NET_ICMP_NO_STACK */
 #endif /* __NET_ICMP_ICMP_H */

net/icmpv6/Kconfig

@@ -14,7 +14,14 @@ config NET_ICMPv6
 		Enable minimal ICMPv6 support. Includes built-in support
 		for sending replies to received ECHO (ping) requests.
 
-if NET_ICMPv6
+config NET_ICMPv6_NO_STACK
+	bool "Disable ICMPv6 stack"
+	default n
+	select NET_ICMPv6
+	---help---
+		Build without ICMPv6 stack even if ICMPv6 networking support enabled.
+
+if NET_ICMPv6 && !NET_ICMPv6_NO_STACK
 
 config NET_ICMPv6_SOCKET
 	bool "IPPROTO_ICMP6 socket support"
@@ -200,6 +207,6 @@ config NET_ICMPv6_NCONNS
 
 endif # NET_ICMPv6_SOCKET
 
-endif # NET_ICMPv6
+endif # NET_ICMPv6 && !NET_ICMPv6_NO_STACK
 endmenu # ICMPv6 Networking Support
 endif # NET_IPv6

net/icmpv6/Make.defs

@@ -34,6 +34,7 @@
 ############################################################################
 
 ifeq ($(CONFIG_NET_ICMPv6),y)
+ifneq ($(CONFIG_NET_ICMPv6_NO_STACK),y)
 
 # ICMPv6 source files
 
@@ -70,4 +71,5 @@ endif
 DEPPATH += --dep-path icmpv6
 VPATH += :icmpv6
 
-endif
+endif # !CONFIG_NET_ICMPv6_NO_STACK
+endif # CONFIG_NET_ICMPv6

net/icmpv6/icmpv6.h

@@ -52,12 +52,14 @@
 #include <nuttx/net/ip.h>
 #include <nuttx/net/netdev.h>
 
-#ifdef CONFIG_NET_ICMPv6
+#if defined(CONFIG_NET_ICMPv6) && !defined(CONFIG_NET_ICMPv6_NO_STACK)
 
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
 
+ #define NET_ICMPv6_HAVE_STACK 1
+
 /* Allocate a new ICMPv6 data callback */
 
 #define icmpv6_callback_alloc(dev) \
@@ -706,5 +708,6 @@ int icmpv6_pollteardown(FAR struct socket *psock, FAR struct pollfd *fds);
 }
 #endif
 
-#endif /* CONFIG_NET_ICMPv6 */
+#endif /* CONFIG_NET_ICMPv6 && !CONFIG_NET_ICMPv6_NO_STACK */
 #endif /* __NET_ICMPv6_ICMPv6_H */
+