net: use helpers to access uc list V2

This patch introduces three macros to work with uc list from net drivers.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index b5fb51d0b8b1..93a32a5ca74f 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -263,6 +263,11 @@ struct netdev_hw_addr_list {
         int                     count;
 };
 
+#define netdev_uc_count(dev) ((dev)->uc.count)
+#define netdev_uc_empty(dev) ((dev)->uc.count == 0)
+#define netdev_for_each_uc_addr(ha, dev) \
+        list_for_each_entry(ha, &dev->uc.list, list)
+
 struct hh_cache {
         struct hh_cache *hh_next;       /* Next entry                        */
         atomic_t        hh_refcnt;      /* number of users                   */