linux-kernel - Re: [PATCH net-next v7 0/5] net: hdlc_fr: Improve fr

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Message-ID: <20201103152216.36ed8495@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Tue, 3 Nov 2020 15:22:16 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Xie He <xie.he.0141@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Krzysztof Halasa <khc@...waw.pl>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>
Subject: Re: [PATCH net-next v7 0/5] net: hdlc_fr: Improve fr_rx and add
 support for any Ethertype

On Sat, 31 Oct 2020 11:10:38 -0700 Xie He wrote:
> The main purpose of this series is the last patch. The previous 4 patches
> are just code clean-ups so that the last patch will not make the code too
> messy. The patches must be applied in sequence.
> 
> The receiving code of this driver doesn't support arbitrary Ethertype
> values. It only recognizes a few known Ethertypes when receiving and drops
> skbs with other Ethertypes.
> 
> However, the standard document RFC 2427 allows Frame Relay to support any
> Ethertype values. This series adds support for this.

Applied, but going forward please limit any refactoring and extensions
to the HDLC code. I thought you are actually using it. If that's not
the case let's leave the code be, it's likely going to be removed in 
a few years time.