1 files changed, 56 insertions, 5 deletions
diff --git a/nuttx/net/socket/net_close.c b/nuttx/net/socket/net_close.c
index 618c1f7f5..4a8c2d464 100644
--- a/nuttx/net/socket/net_close.c
+++ b/nuttx/net/socket/net_close.c
@@ -258,6 +258,61 @@ end_wait:
 #endif /* CONFIG_NET_TCP */
 
 /****************************************************************************
+ * Function: netclose_txnotify
+ *
+ * Description:
+ *   Notify the appropriate device driver that we are have data ready to
+ *   be send (TCP)
+ *
+ * Parameters:
+ *   psock - Socket state structure
+ *   conn  - The TCP connection structure
+ *
+ * Returned Value:
+ *   None
+ *
+ ****************************************************************************/
+
+static inline void netclose_txnotify(FAR struct socket *psock,
+                                     FAR struct tcp_conn_s *conn)
+{
+#ifdef CONFIG_NET_IPv4
+#ifdef CONFIG_NET_IPv6
+  /* If both IPv4 and IPv6 support are enabled, then we will need to select
+   * the device driver using the appropriate IP domain.
+   */
+
+  if (psock->domain == PF_INET)
+#endif
+    {
+      /* Notify the device driver that send data is available */
+
+#ifdef CONFIG_NET_MULTILINK
+      netdev_ipv4_txnotify(conn->u.ipv4.laddr, conn->u.ipv4.raddr);
+#else
+      netdev_ipv4_txnotify(conn->u.ipv4.raddr);
+#endif
+    }
+#endif /* CONFIG_NET_IPv4 */
+
+#ifdef CONFIG_NET_IPv6
+#ifdef CONFIG_NET_IPv4
+  else /* if (psock->domain == PF_INET6) */
+#endif /* CONFIG_NET_IPv4 */
+    {
+      /* Notify the device driver that send data is available */
+
+      DEBUGASSERT(psock->domain == PF_INET6);
+#ifdef CONFIG_NET_MULTILINK
+      netdev_ipv6_txnotify(conn->u.ipv6.laddr, conn->u.ipv6.raddr);
+#else
+      netdev_ipv6_txnotify(conn->u.ipv6.raddr);
+#endif
+    }
+#endif /* CONFIG_NET_IPv6 */
+}
+
+/****************************************************************************
  * Function: netclose_disconnect
  *
  * Description:
@@ -357,11 +412,7 @@ static inline int netclose_disconnect(FAR struct socket *psock)
 
       /* Notify the device driver of the availability of TX data */
 
-#ifdef CONFIG_NET_MULTILINK
-      netdev_ipv4_txnotify(conn->u.ipv4.laddr, conn->u.ipv4.raddr);
-#else
-      netdev_ipv4_txnotify(conn->u.ipv4.raddr);
-#endif
+      netclose_txnotify(psock, conn);
 
 #ifdef CONFIG_NET_SOLINGER
       /* Wait only if we are lingering */