Implement new-style TCP dual-stack in httpserver-netconn, netio, shell, tcpecho and tcpecho_raw

apps/httpserver/httpserver-netconn.c

@@ -66,11 +66,11 @@ http_server_netconn_thread(void *arg)
   LWIP_UNUSED_ARG(arg);
   
   /* Create a new TCP connection handle */
-  conn = netconn_new(NETCONN_TCP);
+  conn = netconn_new(NETCONN_TCP_IPANY);
   LWIP_ERROR("http_server: invalid conn", (conn != NULL), return;);
   
   /* Bind to port 80 (HTTP) with default IP address */
-  netconn_bind(conn, NULL, 80);
+  netconn_bind(conn, IP_ANY_TYPE, 80);
   
   /* Put the connection into LISTEN state */
   netconn_listen(conn);

apps/netio/netio.c

@@ -43,8 +43,8 @@ void netio_init(void)
 {
   struct tcp_pcb *pcb;
 
-  pcb = tcp_new();
-  tcp_bind(pcb, IP_ADDR_ANY, 18767);
+  pcb = tcp_new_ip_type(IPADDR_TYPE_ANY);
+  tcp_bind(pcb, IP_ANY_TYPE, 18767);
   pcb = tcp_listen(pcb);
   tcp_accept(pcb, netio_accept);
 }

apps/shell/shell.c

@@ -1168,8 +1168,8 @@ shell_thread(void *arg)
   err_t err;
   LWIP_UNUSED_ARG(arg);
 
-  conn = netconn_new(NETCONN_TCP);
-  netconn_bind(conn, NULL, 23);
+  conn = netconn_new(NETCONN_TCP_IPANY);
+  netconn_bind(conn, IP_ANY_TYPE, 23);
   netconn_listen(conn);
 
   while (1) {

apps/tcpecho/tcpecho.c

@@ -46,10 +46,10 @@ tcpecho_thread(void *arg)
   LWIP_UNUSED_ARG(arg);
 
   /* Create a new connection identifier. */
-  conn = netconn_new(NETCONN_TCP);
+  conn = netconn_new(NETCONN_TCP_IPANY);
 
   /* Bind connection to well known port number 7. */
-  netconn_bind(conn, NULL, 7);
+  netconn_bind(conn, IP_ANY_TYPE, 7);
 
   /* Tell connection to go into listening mode. */
   netconn_listen(conn);

apps/tcpecho_raw/tcpecho_raw.c

@@ -80,12 +80,12 @@ void tcpecho_raw_free(struct tcpecho_raw_state *es);
 void
 tcpecho_raw_init(void)
 {
-  tcpecho_raw_pcb = tcp_new();
+  tcpecho_raw_pcb = tcp_new_ip_type(IPADDR_TYPE_ANY);
   if (tcpecho_raw_pcb != NULL)
   {
     err_t err;
 
-    err = tcp_bind(tcpecho_raw_pcb, IP_ADDR_ANY, 7);
+    err = tcp_bind(tcpecho_raw_pcb, IP_ANY_TYPE, 7);
     if (err == ERR_OK)
     {
       tcpecho_raw_pcb = tcp_listen(tcpecho_raw_pcb);