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vlan: Change vlan_dev_set_vlan_flag() to handle multiple flags at once
[uclinux-h8/linux.git] / net / 8021q / vlan_dev.c
index 5d055c2..76c665c 100644 (file)
@@ -507,18 +507,16 @@ int vlan_dev_set_egress_priority(const struct net_device *dev,
 }
 
 /* Flags are defined in the vlan_flags enum in include/linux/if_vlan.h file. */
-int vlan_dev_set_vlan_flag(const struct net_device *dev,
-                          u32 flag, short flag_val)
+int vlan_dev_change_flags(const struct net_device *dev, u32 flags, u32 mask)
 {
-       /* verify flag is supported */
-       if (flag == VLAN_FLAG_REORDER_HDR) {
-               if (flag_val)
-                       vlan_dev_info(dev)->flags |= VLAN_FLAG_REORDER_HDR;
-               else
-                       vlan_dev_info(dev)->flags &= ~VLAN_FLAG_REORDER_HDR;
-               return 0;
-       }
-       return -EINVAL;
+       struct vlan_dev_info *vlan = vlan_dev_info(dev);
+       u32 old_flags = vlan->flags;
+
+       if (mask & ~VLAN_FLAG_REORDER_HDR)
+               return -EINVAL;
+
+       vlan->flags = (old_flags & ~mask) | (flags & mask);
+       return 0;
 }
 
 void vlan_dev_get_realdev_name(const struct net_device *dev, char *result)