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From:   Rocco Yue <rocco.yue@mediatek.com>
To:     Greg KH <gregkh@linuxfoundation.org>
CC:     "David S . Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Jonathan Corbet <corbet@lwn.net>,
        Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
        David Ahern <dsahern@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Felix Fietkau <nbd@nbd.name>, John Crispin <john@phrozen.org>,
        Sean Wang <sean.wang@mediatek.com>,
        Mark Lee <Mark-MC.Lee@mediatek.com>, <netdev@vger.kernel.org>,
        <linux-doc@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-mediatek@lists.infradead.org>, <bpf@vger.kernel.org>,
        <wsd_upstream@mediatek.com>, <chao.song@mediatek.com>,
        <kuohong.wang@mediatek.com>, Rocco Yue <rocco.yue@mediatek.com>
Subject: Re: [PATCH 1/4] net: if_arp: add ARPHRD_PUREIP type
Date:   Fri, 25 Jun 2021 14:01:07 +0800
Message-ID: <20210625060107.14098-1-rocco.yue@mediatek.com>
In-Reply-To: <YNSDQbp/h/aadpmV@kroah.com>
References: <YNSDQbp/h/aadpmV@kroah.com>
MIME-Version: 1.0
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> Does changelog mean adding these details to the commit message ?
> 
> Yes please.
> 

will do.

> > > And are these user-visable flags documented in a man page or something
> > > else somewhere?  If not, how does userspace know about them?
> > > 
> > 
> > There are mappings of these device types value in the libc:
> > "/bionic/libc/kernel/uapi/linux/if_arp.h".
> > userspace can get it from here.
> 
> Yes, they will show up in a libc definition, but where is it documented
> in text form what the flag does?

Judging from the changes of ARPHRD_xxx submitted before, I am sorry
I could not find the corresponding doucuments to describe their 
respective behaviors in details. Perhaps the best way to understand
their behaviors is to read the code directly.

Thanks,
Rocco