From 548feb33c598dfaf9f8e066b842441ac49b84a8a Mon Sep 17 00:00:00 2001
From: Xin Long <lucien.xin@gmail.com>
Date: Mon, 18 Jun 2018 16:15:57 +0800
Subject: [PATCH] ipvlan: use ETH_MAX_MTU as max mtu
Git-commit: 548feb33c598dfaf9f8e066b842441ac49b84a8a
Patch-mainline: v4.18-rc2
References: bsc#1051510

Similar to the fixes on team and bonding, this restores the ability
to set an ipvlan device's mtu to anything higher than 1500.

Fixes: 91572088e3fd ("net: use core MTU range checking in core net infra")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/net/ipvlan/ipvlan_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index 4377c26f714d..d02f0a7c534e 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -693,6 +693,7 @@ void ipvlan_link_setup(struct net_device *dev)
 {
 	ether_setup(dev);
 
+	dev->max_mtu = ETH_MAX_MTU;
 	dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING);
 	dev->priv_flags |= IFF_UNICAST_FLT | IFF_NO_QUEUE;
 	dev->netdev_ops = &ipvlan_netdev_ops;
-- 
2.16.4