[NET]: dev: introduce generic net_device address lists

Introduce struct dev_addr_list and list maintenance functions
based on dev_mc_list and the related functions. This will be
used by follow-up patches for both multicast and secondary
unicast addresses.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7a8f22fb4eee..aa389c77aa3e 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -177,6 +177,14 @@ struct netif_rx_stats
 
 DECLARE_PER_CPU(struct netif_rx_stats, netdev_rx_stat);
 
+struct dev_addr_list
+{
+        struct dev_addr_list    *next;
+        u8                      da_addr[MAX_ADDR_LEN];
+        u8                      da_addrlen;
+        int                     da_users;
+        int                     da_gusers;
+};
 
 /*
  *      We tag multicasts with these structures.
@@ -1008,6 +1016,9 @@ extern void		dev_mc_upload(struct net_device *dev);
 extern int              dev_mc_delete(struct net_device *dev, void *addr, int alen, int all);
 extern int              dev_mc_add(struct net_device *dev, void *addr, int alen, int newonly);
 extern void             dev_mc_discard(struct net_device *dev);
+extern int              __dev_addr_delete(struct dev_addr_list **list, void *addr, int alen, int all);
+extern int              __dev_addr_add(struct dev_addr_list **list, void *addr, int alen, int newonly);
+extern void             __dev_addr_discard(struct dev_addr_list **list);
 extern void             dev_set_promiscuity(struct net_device *dev, int inc);
 extern void             dev_set_allmulti(struct net_device *dev, int inc);
 extern void             netdev_state_change(struct net_device *dev);