[net-next v2] dummy: extend mtu range for dummy device

From: Zhang Shengju <hidden>
Date: 2016-12-07 11:57:31
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

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

This patch extends it to [0, 65535].

v2
 - fix typo in commit message

Signed-off-by: Zhang Shengju <redacted>
---
 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
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