netdev - Re: [PATCH net-next 1/3] net: bgmac: Pad packets to a minimum size

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Message-ID: <20171109223727.GC25275@lunn.ch>
Date:   Thu, 9 Nov 2017 23:37:27 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net,
        vivien.didelot@...oirfairelinux.com
Subject: Re: [PATCH net-next 1/3] net: bgmac: Pad packets to a minimum size

On Thu, Nov 09, 2017 at 02:26:04PM -0800, Florian Fainelli wrote:
> In preparation for enabling Broadcom tags with b53, pad packets to a
> minimum size of 64 bytes (sans FCS) in order for the Broadcom switch to
> accept ingressing frames. Without this, we would typically be able to
> DHCP, but not resolve with ARP because packets are too small and get
> rejected by the switch.

Hi Florian

Is the MAC sending runt packets in its default configuration? Is this
a general issue, and not just an issue when there is a switch directly
attached?

Thanks
	Andrew