net/icmpv6: replace the common connect prologue

Signed-off-by: chao.an <anchao@xiaomi.com>

net/icmpv6/icmpv6.h

@@ -34,6 +34,7 @@
 
 #include <nuttx/mm/iob.h>
 #include <nuttx/net/ip.h>
+#include <nuttx/net/net.h>
 #include <nuttx/net/netdev.h>
 #include <nuttx/semaphore.h>
 
@@ -48,9 +49,9 @@
 /* Allocate a new ICMPv6 data callback */
 
 #define icmpv6_callback_alloc(dev, conn) \
-  devif_callback_alloc((dev), &(conn)->list, &(conn)->list_tail)
+  devif_callback_alloc((dev), &(conn)->sconn.list, &(conn)->sconn.list_tail)
 #define icmpv6_callback_free(dev, conn, cb) \
-  devif_conn_callback_free((dev), (cb), &(conn)->list, &(conn)->list_tail)
+  devif_conn_callback_free((dev), (cb), &(conn)->sconn.list, &(conn)->sconn.list_tail)
 
 /****************************************************************************
  * Public Type Definitions
@@ -79,14 +80,7 @@ struct icmpv6_conn_s
 {
   /* Common prologue of all connection structures. */
 
-  dq_entry_t node;     /* Supports a double linked list */
-
-  /* This is a list of ICMPV6 callbacks.  Each callback represents a thread
-   * that is stalled, waiting for a device-specific event.
-   */
-
-  FAR struct devif_callback_s *list;
-  FAR struct devif_callback_s *list_tail;
+  struct socket_conn_s sconn;
 
   /* ICMPv6-specific content follows */
 

net/icmpv6/icmpv6_conn.c

@@ -91,7 +91,8 @@ void icmpv6_sock_initialize(void)
     {
       /* Move the connection structure to the free list */
 
-      dq_addlast(&g_icmpv6_connections[i].node, &g_free_icmpv6_connections);
+      dq_addlast(&g_icmpv6_connections[i].sconn.node,
+                 &g_free_icmpv6_connections);
     }
 #endif
 }
@@ -124,7 +125,8 @@ FAR struct icmpv6_conn_s *icmpv6_alloc(void)
             {
               for (ret = 0; ret < CONFIG_NET_ICMPv6_NCONNS; ret++)
                 {
-                  dq_addlast(&conn[ret].node, &g_free_icmpv6_connections);
+                  dq_addlast(&conn[ret].sconn.node,
+                             &g_free_icmpv6_connections);
                 }
             }
         }
@@ -136,7 +138,7 @@ FAR struct icmpv6_conn_s *icmpv6_alloc(void)
         {
           /* Enqueue the connection into the active list */
 
-          dq_addlast(&conn->node, &g_active_icmpv6_connections);
+          dq_addlast(&conn->sconn.node, &g_active_icmpv6_connections);
         }
 
       nxsem_post(&g_free_sem);
@@ -166,7 +168,7 @@ void icmpv6_free(FAR struct icmpv6_conn_s *conn)
 
   /* Remove the connection from the active list */
 
-  dq_rem(&conn->node, &g_active_icmpv6_connections);
+  dq_rem(&conn->sconn.node, &g_active_icmpv6_connections);
 
   /* Clear the connection structure */
 
@@ -174,7 +176,7 @@ void icmpv6_free(FAR struct icmpv6_conn_s *conn)
 
   /* Free the connection */
 
-  dq_addlast(&conn->node, &g_free_icmpv6_connections);
+  dq_addlast(&conn->sconn.node, &g_free_icmpv6_connections);
   nxsem_post(&g_free_sem);
 }
 
@@ -208,7 +210,7 @@ FAR struct icmpv6_conn_s *icmpv6_active(uint16_t id)
 
       /* Look at the next active connection */
 
-      conn = (FAR struct icmpv6_conn_s *)conn->node.flink;
+      conn = (FAR struct icmpv6_conn_s *)conn->sconn.node.flink;
     }
 
   return conn;
@@ -233,7 +235,7 @@ FAR struct icmpv6_conn_s *icmpv6_nextconn(FAR struct icmpv6_conn_s *conn)
     }
   else
     {
-      return (FAR struct icmpv6_conn_s *)conn->node.flink;
+      return (FAR struct icmpv6_conn_s *)conn->sconn.node.flink;
     }
 }
 

net/icmpv6/icmpv6_input.c

@@ -460,7 +460,7 @@ void icmpv6_input(FAR struct net_driver_s *dev, unsigned int iplen)
 
         /* Dispatch the ECHO reply to the waiting thread */
 
-        flags = devif_conn_event(dev, conn, flags, conn->list);
+        flags = devif_conn_event(dev, conn, flags, conn->sconn.list);
 
         /* Was the ECHO reply consumed by any waiting thread? */
 

net/icmpv6/icmpv6_poll.c

@@ -74,7 +74,7 @@ void icmpv6_poll(FAR struct net_driver_s *dev,
   /* Perform the application callback */
 
   devif_conn_event(dev, conn, ICMPv6_POLL,
-                   conn ? conn->list : dev->d_conncb);
+                   conn ? conn->sconn.list : dev->d_conncb);
 }
 
 #endif /* CONFIG_NET_ICMPv6_SOCKET || CONFIG_NET_ICMPv6_NEIGHBOR */