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-rw-r--r--include/linux/if_vlan.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 290bd8ac94c..dc01681fbb4 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -110,6 +110,11 @@ static inline void vlan_group_set_device(struct vlan_group *vg,
array[vlan_id % VLAN_GROUP_ARRAY_PART_LEN] = dev;
}
+static inline int is_vlan_dev(struct net_device *dev)
+{
+ return dev->priv_flags & IFF_802_1Q_VLAN;
+}
+
#define vlan_tx_tag_present(__skb) ((__skb)->vlan_tci & VLAN_TAG_PRESENT)
#define vlan_tx_tag_get(__skb) ((__skb)->vlan_tci & ~VLAN_TAG_PRESENT)