vlan: Change vlan_dev_set_vlan_flag() to handle multiple flags at once
Change vlan_dev_set_vlan_flag() to handle multiple flags at once and
rename to vlan_dev_change_flags(). This allows to to use it from the
netlink interface, which in turn allows to handle necessary adjustments
when changing flags centrally.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 5d055c2..76c665c 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -507,18 +507,16 @@
}
/* 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)