net: convert multicast list to list_head

Converts the list and the core manipulating with it to be the same as uc_list.

+uses two functions for adding/removing mc address (normal and "global"
 variant) instead of a function parameter.
+removes dev_mcast.c completely.
+exposes netdev_hw_addr_list_* macros along with __hw_addr_* functions for
 manipulation with lists on a sandbox (used in bonding and 80211 drivers)

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/libertas_tf/main.c b/drivers/net/wireless/libertas_tf/main.c
index 6ab3003..c20eef6 100644
--- a/drivers/net/wireless/libertas_tf/main.c
+++ b/drivers/net/wireless/libertas_tf/main.c
@@ -367,22 +367,20 @@
 }
 
 static u64 lbtf_op_prepare_multicast(struct ieee80211_hw *hw,
-				     int mc_count, struct dev_addr_list *mclist)
+				     struct netdev_hw_addr_list *mc_list)
 {
 	struct lbtf_private *priv = hw->priv;
 	int i;
+	struct netdev_hw_addr *ha;
+	int mc_count = netdev_hw_addr_list_count(mc_list);
 
 	if (!mc_count || mc_count > MRVDRV_MAX_MULTICAST_LIST_SIZE)
 		return mc_count;
 
 	priv->nr_of_multicastmacaddr = mc_count;
-	for (i = 0; i < mc_count; i++) {
-		if (!mclist)
-			break;
-		memcpy(&priv->multicastlist[i], mclist->da_addr,
-				ETH_ALEN);
-		mclist = mclist->next;
-	}
+	i = 0;
+	netdev_hw_addr_list_for_each(ha, mc_list)
+		memcpy(&priv->multicastlist[i++], ha->addr, ETH_ALEN);
 
 	return mc_count;
 }