netdev - [net-next] dummy: expend mtu range for dummy device

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Message-Id: <1481103693-16394-1-git-send-email-zhangshengju@cmss.chinamobile.com>
Date:   Wed,  7 Dec 2016 17:41:33 +0800
From:   Zhang Shengju <zhangshengju@...s.chinamobile.com>
To:     jarod@...hat.com, netdev@...r.kernel.org
Subject: [net-next] dummy: expend mtu range for dummy device

After commit 61e84623ace3 ("net: centralize net_device min/max MTU checking"),
the mtu range for dummy device becomes [68, 1500].

This patch expends it to [0, 65535].

Signed-off-by: Zhang Shengju <zhangshengju@...s.chinamobile.com>
---
 drivers/net/dummy.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c
index 69fc840..6421835 100644
--- a/drivers/net/dummy.c
+++ b/drivers/net/dummy.c
@@ -154,6 +154,9 @@ static void dummy_setup(struct net_device *dev)
 	dev->hw_features |= dev->features;
 	dev->hw_enc_features |= dev->features;
 	eth_hw_addr_random(dev);
+
+	dev->min_mtu = 0;
+	dev->max_mtu = ETH_MAX_MTU;
 }
 
 static int dummy_validate(struct nlattr *tb[], struct nlattr *data[])
-- 
1.8.3.1