net: fix netdev_increment_features()

Simplify and fix netdev_increment_features() to conform to what is
stated in netdevice.h comments about NETIF_F_ONE_FOR_ALL.
Include FCoE segmentation and VLAN-challedged flags in computation.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 1 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 364bcf212f71..b7d0304762aa 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1106,7 +1106,12 @@ struct net_device {
          */
 #define NETIF_F_ONE_FOR_ALL     (NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ROBUST | \
                                  NETIF_F_SG | NETIF_F_HIGHDMA |         \
-                                 NETIF_F_FRAGLIST)
+                                 NETIF_F_FRAGLIST | NETIF_F_VLAN_CHALLENGED)
+        /*
+         * If one device doesn't support one of these features, then disable it
+         * for all in netdev_increment_features.
+         */
+#define NETIF_F_ALL_FOR_ALL     (NETIF_F_NOCACHE_COPY | NETIF_F_FSO)
 
         /* changeable features with no special hardware requirements */
 #define NETIF_F_SOFT_FEATURES   (NETIF_F_GSO | NETIF_F_GRO)