diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 5b4b92e76b67..1743dcd02d5b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -5566,15 +5566,6 @@ netif_get_gro_max_size(const struct net_device *dev, const struct sk_buff *skb)
 	       READ_ONCE(dev->gro_ipv4_max_size);
 }
 
-static inline unsigned int
-netif_get_gso_max_size(const struct net_device *dev, const struct sk_buff *skb)
-{
-	/* pairs with WRITE_ONCE() in netif_set_gso(_ipv4)_max_size() */
-	return skb->protocol == htons(ETH_P_IPV6) ?
-	       READ_ONCE(dev->gso_max_size) :
-	       READ_ONCE(dev->gso_ipv4_max_size);
-}
-
 static inline bool netif_is_macsec(const struct net_device *dev)
 {
 	return dev->priv_flags & IFF_MACSEC;
diff --git a/net/core/dev.c b/net/core/dev.c
index a6951ea08961..df7ec4faaa81 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3888,6 +3888,15 @@ static bool skb_has_ipv6_extension_hdr(const struct sk_buff *skb)
 	return false;
 }
 
+static unsigned int
+netif_get_gso_max_size(const struct net_device *dev, const struct sk_buff *skb)
+{
+	/* pairs with WRITE_ONCE() in netif_set_gso(_ipv4)_max_size() */
+	return vlan_get_protocol(skb) == htons(ETH_P_IPV6) ?
+	       READ_ONCE(dev->gso_max_size) :
+	       READ_ONCE(dev->gso_ipv4_max_size);
+}
+
 static netdev_features_t gso_features_check(const struct sk_buff *skb,
 					    struct net_device *dev,
 					    netdev_features_t features)