Socket I/F: More fixes for USRSOCK. The good link fooled me because a critical file was not included in the link.

net/socket/Make.defs

@@ -47,6 +47,8 @@ ifeq ($(CONFIG_NET_IPv4),y)
 SOCK_CSRCS += inet_sockif.c inet_recvfrom.c inet_connect.c inet_close.c
 else ifeq ($(CONFIG_NET_IPv6),y)
 SOCK_CSRCS += inet_sockif.c inet_recvfrom.c inet_connect.c inet_close.c
+else ifeq ($(CONFIG_NET_USRSOCK),y)
+SOCK_CSRCS += inet_sockif.c inet_recvfrom.c inet_connect.c inet_close.c
 endif
 
 ifeq ($(CONFIG_NET_IPv4),y)

net/socket/inet_connect.c

@@ -519,7 +519,7 @@ int inet_connect(FAR struct socket *psock, FAR const struct sockaddr *addr,
 
   switch (psock->s_type)
     {
-#ifdef CONFIG_NET_TCP
+#if defined(CONFIG_NET_TCP) && defined(NET_TCP_HAVE_STACK)
       case SOCK_STREAM:
         {
           /* Verify that the socket is not already connected */
@@ -535,7 +535,7 @@ int inet_connect(FAR struct socket *psock, FAR const struct sockaddr *addr,
         }
 #endif /* CONFIG_NET_TCP */
 
-#ifdef CONFIG_NET_UDP
+#if defined(CONFIG_NET_UDP) && defined(NET_UDP_HAVE_STACK)
       case SOCK_DGRAM:
         {
           int ret = udp_connect(psock->s_conn, addr);

net/socket/inet_sockif.c

@@ -53,7 +53,7 @@
 #include "usrsock/usrsock.h"
 #include "socket/socket.h"
 
-#if defined(CONFIG_NET_IPv4) || defined(CONFIG_NET_IPv6)
+#ifdef HAVE_INET_SOCKETS
 
 /****************************************************************************
  * Private Function Prototypes
@@ -269,18 +269,20 @@ static int usrsock_socket_setup(int domain, int type, int protocol,
 static int inet_setup(FAR struct socket *psock, int protocol)
 {
 #ifdef CONFIG_NET_USRSOCK
+  int ret;
+
   /* Handle special setup for user INET sockets */
 
-  ret = usrsock_socket_setup(domain, type, protocol, psock);
+  ret = usrsock_socket_setup(psock->s_domain, psock->s_type, protocol, psock);
   if (ret < 0)
     {
-      if (ret = -ENETDOWN)
+      if (ret == -ENETDOWN)
         {
           /* -ENETDOWN means that usrsock daemon is not running.  Attempt to
            * open socket with kernel networking stack.
            */
 
-          warn("WARNING: usrsock daemon is not running\n");
+          nwarn("WARNING: usrsock daemon is not running\n");
         }
       else
         {
@@ -311,8 +313,8 @@ static int inet_setup(FAR struct socket *psock, int protocol)
 
         return inet_tcp_alloc(psock);
 #else
-        warning("WARNING:  SOCK_STREAM disabled\n");
+        nwarn("WARNING:  SOCK_STREAM disabled\n");
-        return = -ENETDOWN;
+        return -ENETDOWN;
 #endif
 #endif /* CONFIG_NET_TCP */
 
@@ -329,7 +331,7 @@ static int inet_setup(FAR struct socket *psock, int protocol)
 
         return inet_udp_alloc(psock);
 #else
-        warning("WARNING:  SOCK_DGRAM disabled\n");
+        nwarn("WARNING:  SOCK_DGRAM disabled\n");
         return -ENETDOWN;
 #endif
 #endif /* CONFIG_NET_UDP */
@@ -1209,11 +1211,11 @@ static ssize_t inet_sendto(FAR struct socket *psock, FAR const void *buf,
 #elif defined(NET_UDP_HAVE_STACK)
       nsent = psock_udp_sendto(psock, buf, len, flags, to, tolen);
 #else
-      nwarn("WARNING: UDP not available in this configuiration\n")
+      nwarn("WARNING: UDP not available in this configuiration\n");
       nsent = -ENOSYS;
 #endif /* CONFIG_NET_6LOWPAN */
 #else
-      nwarn("WARNING: UDP not enabled in this configuiration\n")
+      nwarn("WARNING: UDP not enabled in this configuiration\n");
       nsent = -EISCONN;
 #endif /* CONFIG_NET_UDP */
     }
@@ -1238,4 +1240,4 @@ static ssize_t inet_sendto(FAR struct socket *psock, FAR const void *buf,
  *
  ****************************************************************************/
 
-#endif /* CONFIG_NET_IPv4 || CONFIG_NET_IPv6 */
+#endif /* HAVE_INET_SOCKETS */

net/socket/net_sockif.c

@@ -49,8 +49,6 @@
 #include "pkt/pkt.h"
 #include "socket/socket.h"
 
-#ifdef CONFIG_NET
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -78,11 +76,11 @@ FAR const struct sock_intf_s *net_sockif(sa_family_t family)
 
   switch (family)
     {
-#if defined(CONFIG_NET_IPv4) || defined(CONFIG_NET_IPv6)
+#ifdef HAVE_INET_SOCKETS
-#ifdef CONFIG_NET_IPv4
+#ifdef HAVE_PFINET_SOCKETS
     case PF_INET:
 #endif
-#ifdef CONFIG_NET_IPv6
+#ifdef HAVE_PFINET6_SOCKETS
     case PF_INET6:
 #endif
       sockif = &g_inet_sockif;
@@ -107,5 +105,3 @@ FAR const struct sock_intf_s *net_sockif(sa_family_t family)
 
   return sockif;
 }
-
-#endif /* CONFIG_NET */

net/socket/socket.h

@@ -54,6 +54,25 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
+/* Configuration */
+
+#undef HAVE_INET_SOCKETS
+#undef HAVE_PFINET_SOCKETS
+#undef HAVE_PFINET6_SOCKETS
+
+#if defined(CONFIG_NET_IPv4) || defined(CONFIG_NET_IPv6) || \
+    defined(CONFIG_NET_USRSOCK)
+#  define HAVE_INET_SOCKETS
+
+#  if defined(CONFIG_NET_IPv4) || defined(CONFIG_NET_USRSOCK)
+#    define HAVE_PFINET_SOCKETS
+#  endif
+
+#  if defined(CONFIG_NET_IPv6) || defined(CONFIG_NET_USRSOCK)
+#    define HAVE_PFINET6_SOCKETS
+#  endif
+#endif
+
 /* Definitions of 8-bit socket flags */
 
                                   /* Bits 0-2: Socket state */
@@ -148,7 +167,7 @@ extern "C"
 #define EXTERN extern
 #endif
 
-#if defined(CONFIG_NET_IPv4) || defined(CONFIG_NET_IPv6)
+#ifdef HAVE_INET_SOCKETS
 EXTERN const struct sock_intf_s g_inet_sockif;
 #endif