linux-kernel - Re: [PATCH v2] drivers/net/wan/lapbether: Use needed_headroom instead of hard_header

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Message-ID: <CAJht_ENFwn82PEr=dtCzB=0QU=4pstNyGr_nFBb6Xjhg4fLGXg@mail.gmail.com>
Date:   Tue, 4 Aug 2020 02:48:42 -0700
From:   Xie He <xie.he.0141@...il.com>
To:     Martin Schiller <ms@....tdt.de>,
        Willem de Bruijn <willemb@...gle.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux X25 <linux-x25@...r.kernel.org>
Subject: Re: [PATCH v2] drivers/net/wan/lapbether: Use needed_headroom instead
 of hard_header_len

On Mon, Aug 3, 2020 at 11:53 PM Martin Schiller <ms@....tdt.de> wrote:
>
> I don't like the idea to get rid of the 1-byte header.
> This header is also used in userspace, for example when using a tun/tap
> interface for an XoT (X.25 over TCP) application. A change would
> therefore have very far-reaching consequences.

Thank you for your comment! This is very important information to me.
Now I think it may be the best to keep the 1-byte header so that the
kernel interface can be kept unchanged.

> BTW: The linux x25 mailing list does not seem to work anymore. I've been
> on it for some time now, but haven't received a single email from it.
> I've tried to contact owner-linux-x25@...r.kernel.org, but only got an
> "undeliverable" email back.

I was suspecting that it was not working, too. I CC'd all my patches
to the mail list but got no response from it. It appears that you were
not able to receive my emails through it, too.

> It would be great if you could add me to CC list of all versions of your
> patches, so I don't need to "google" for any further related mails.

OK. I'll surely do that! Thank you for taking time to review my patches!

> So, what's the latest version of the patch now, which you want me to
> review?

It is at:
http://patchwork.ozlabs.org/project/netdev/patch/20200802195046.402539-1-xie.he.0141@gmail.com/

Thank you so much for your review!