[BRIDGE]: limited ethtool support

Add limited ethtool support to bridge to allow disabling
features.

Note: if underlying device does not support a feature (like checksum
offload), then the bridge device won't inherit it.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 7ad53c2aa684..db7b26b8de96 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -93,6 +93,7 @@ struct net_bridge
         spinlock_t                      hash_lock;
         struct hlist_head               hash[BR_HASH_SIZE];
         struct list_head                age_list;
+        unsigned long                   feature_mask;
 
         /* STP */
         bridge_id                       designated_root;