net/icmpv6, neighbor, and netdev: Rename netdev_dev_lladdrsize() to netdev_lladdrsize() and move the prototype to include/nuttx/nex/netdev.h, giving is global scope within the OS. Reviewer: This degrades the integrity of the modular architecture by introducing a new coupling via C function call. Not a good thing at all.

include/nuttx/net/netdev.h

@@ -744,4 +744,20 @@ uint16_t ipv6_chksum(FAR struct net_driver_s *dev);
 #  define netdev_ipv6_hdrlen(dev) dev->d_llhdrlen
 #endif /* CONFIG_NET_IPv6 */
 
+/****************************************************************************
+ * Name: netdev_lladdrsize
+ *
+ * Description:
+ *   Returns the size of the MAC address associated with a network device.
+ *
+ * Input Parameters:
+ *   dev - A reference to the device of interest
+ *
+ * Returned Value:
+ *   The size of the MAC address associated with this device
+ *
+ ****************************************************************************/
+
+int netdev_lladdrsize(FAR struct net_driver_s *dev);
+
 #endif /* __INCLUDE_NUTTX_NET_NETDEV_H */

net/icmpv6/icmpv6_advertise.c

@@ -107,7 +107,7 @@ void icmpv6_advertise(FAR struct net_driver_s *dev,
 
   /* Length excludes the IPv6 header */
 
-  lladdrsize   = netdev_dev_lladdrsize(dev);
+  lladdrsize   = netdev_lladdrsize(dev);
   l3size       = SIZEOF_ICMPV6_NEIGHBOR_ADVERTISE_S(lladdrsize);
   ipv6->len[0] = (l3size >> 8);
   ipv6->len[1] = (l3size & 0xff);

net/icmpv6/icmpv6_linkipaddr.c

@@ -153,7 +153,7 @@ icmpv6_linkipaddr_8(FAR const void *mac_, net_ipv6addr_t ipaddr)
 
 void icmpv6_linkipaddr(FAR struct net_driver_s *dev, net_ipv6addr_t ipaddr)
 {
-  switch (netdev_dev_lladdrsize(dev))
+  switch (netdev_lladdrsize(dev))
     {
       case 1:
         icmpv6_linkipaddr_1(&dev->d_mac, ipaddr);

net/icmpv6/icmpv6_radvertise.c

@@ -160,7 +160,7 @@ void icmpv6_radvertise(FAR struct net_driver_s *dev)
 
   /* Length excludes the IPv6 header */
 
-  lladdrsize   = netdev_dev_lladdrsize(dev);
+  lladdrsize   = netdev_lladdrsize(dev);
   l3size       = sizeof(struct icmpv6_router_advertise_s) +
                  SIZEOF_ICMPV6_SRCLLADDR_S(lladdrsize) +
                  sizeof(struct icmpv6_mtu_s) +

net/icmpv6/icmpv6_rsolicit.c

@@ -103,7 +103,7 @@ void icmpv6_rsolicit(FAR struct net_driver_s *dev)
 
   /* Length excludes the IPv6 header */
 
-  lladdrsize    = netdev_dev_lladdrsize(dev);
+  lladdrsize    = netdev_lladdrsize(dev);
   l3size        = SIZEOF_ICMPV6_ROUTER_SOLICIT_S(lladdrsize);
   ipv6->len[0]  = (l3size >> 8);
   ipv6->len[1]  = (l3size & 0xff);

net/icmpv6/icmpv6_solicit.c

@@ -114,7 +114,7 @@ void icmpv6_solicit(FAR struct net_driver_s *dev,
 
   /* Length excludes the IPv6 header */
 
-  lladdrsize    = netdev_dev_lladdrsize(dev);
+  lladdrsize    = netdev_lladdrsize(dev);
   l3size        = SIZEOF_ICMPV6_NEIGHBOR_SOLICIT_S(lladdrsize);
   ipv6->len[0]  = (l3size >> 8);
   ipv6->len[1]  = (l3size & 0xff);

net/neighbor/neighbor_add.c

@@ -117,7 +117,7 @@ void neighbor_add(FAR struct net_driver_s *dev, FAR net_ipv6addr_t ipaddr,
   net_ipv6addr_copy(g_neighbors[oldest_ndx].ne_ipaddr, ipaddr);
 
   g_neighbors[oldest_ndx].ne_addr.na_lltype = lltype;
-  g_neighbors[oldest_ndx].ne_addr.na_llsize = netdev_dev_lladdrsize(dev);
+  g_neighbors[oldest_ndx].ne_addr.na_llsize = netdev_lladdrsize(dev);
 
   memcpy(&g_neighbors[oldest_ndx].ne_addr.u, addr,
          g_neighbors[oldest_ndx].ne_addr.na_llsize);

net/neighbor/neighbor_lookup.c

@@ -96,7 +96,7 @@ static int neighbor_match(FAR struct net_driver_s *dev, FAR void *arg)
   if (info->ni_laddr != NULL)
     {
       info->ni_laddr->na_lltype = dev->d_lltype;
-      info->ni_laddr->na_llsize = netdev_dev_lladdrsize(dev);
+      info->ni_laddr->na_llsize = netdev_lladdrsize(dev);
       memcpy(&info->ni_laddr->u, &dev->d_mac, info->ni_laddr->na_llsize);
     }
 

net/netdev/netdev.h

@@ -499,22 +499,6 @@ struct lifconf;  /* Forward reference */
 int netdev_ipv6_ifconf(FAR struct lifconf *lifc);
 #endif
 
-/****************************************************************************
- * Name: netdev_dev_lladdrsize
- *
- * Description:
- *   Returns the size of the MAC address associated with a network device.
- *
- * Input Parameters:
- *   dev - A reference to the device of interest
- *
- * Returned Value:
- *   The size of the MAC address associated with this device
- *
- ****************************************************************************/
-
-int netdev_dev_lladdrsize(FAR struct net_driver_s *dev);
-
 /****************************************************************************
  * Name: netdown_notifier_setup
  *

net/netdev/netdev_lladdrsize.c

@@ -98,7 +98,7 @@ static inline int netdev_pktradio_addrlen(FAR struct net_driver_s *dev)
  ****************************************************************************/
 
 /****************************************************************************
- * Name: netdev_dev_lladdrsize
+ * Name: netdev_lladdrsize
  *
  * Description:
  *   Returns the size of the MAC address associated with a network device.
@@ -111,7 +111,7 @@ static inline int netdev_pktradio_addrlen(FAR struct net_driver_s *dev)
  *
  ****************************************************************************/
 
-int netdev_dev_lladdrsize(FAR struct net_driver_s *dev)
+int netdev_lladdrsize(FAR struct net_driver_s *dev)
 {
   DEBUGASSERT(dev != NULL);