linux-kernel - Re: [PATCH net] net: vrf: Fix ping failed when vrf mtu is set to 0

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Date:   Thu, 04 Apr 2019 10:52:08 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     linmiaohe@...wei.com
Cc:     dsa@...ulusnetworks.com, shrijeet@...il.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        mingfangsen@...wei.com
Subject: Re: [PATCH net] net: vrf: Fix ping failed when vrf mtu is set to 0

From: linmiaohe <linmiaohe@...wei.com>
Date: Thu, 4 Apr 2019 20:01:13 +0800

> When the mtu of a vrf device is set to 0, it would cause ping
> failed.So I think we should limit dev->min_mtu to ETH_MIN_MTU
> to solve this problem. And if dev->max_mtu still be 0 can be
> confusing, so I limit dev->max_mtu to ETH_MAX_MTU.

David A., please review.