netdev - Re: [PATCH net v2] net: dsa: tag_rtl4

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Message-ID: <CACRpkdZ=Y3wnnUtBVbzaOsA6bLm7nOwXoi7qO3=n_K=xpqofjA@mail.gmail.com>
Date: Tue, 31 Oct 2023 00:11:51 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Vladimir Oltean <olteanv@...il.com>
Cc: Andrew Lunn <andrew@...n.ch>, Florian Fainelli <f.fainelli@...il.com>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v2] net: dsa: tag_rtl4_a: Bump min packet size

On Tue, Oct 31, 2023 at 12:09 AM Vladimir Oltean <olteanv@...il.com> wrote:
> On Mon, Oct 30, 2023 at 11:57:33PM +0100, Linus Walleij wrote:
> > This of course make no sense, since the padding function should do nothing
> > when the packet is bigger than 60 bytes.
>
> Indeed, this of course makes no sense. Ping doesn't work, or ARP doesn't
> work? Could you add a static ARP entry for the 192.168.1.137 IP address?

ARP appears to work, and also DHCP then (I reconnect and
restart the interface before each test), so it's really weird.

I'm trying your suggestion to skb_dump() before/after.

Yours,
Linus Walleij