linux-kernel - Re: [PATCH net-next 2/2] net: ipv6: don't generate link local address on PUREIP device

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Message-ID: <20210222184515.61c268ec@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Mon, 22 Feb 2021 18:45:15 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     "rocco.yue" <rocco.yue@...iatek.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <wsd_upstream@...iatek.com>
Subject: Re: [PATCH net-next 2/2] net: ipv6: don't generate link local
 address on PUREIP device

On Tue, 23 Feb 2021 10:03:11 +0800 rocco.yue wrote:
> On Thu, 2021-02-04 at 14:06 +0800, rocco.yue wrote:
> > On Fri, 2021-01-29 at 19:07 -0800, Jakub Kicinski wrote:  
> > > On Thu, 28 Jan 2021 13:58:09 +0800 Rocco Yue wrote:  
>  [...]  
> > > 
> > > There is no ccmni driver in the tree - is this for non-upstream
> > > driver?  
> > 
> > ccmni is the name of MediaTek mobile interface, currently, it is
> > non-upstream driver and we plan to upstream these driver codes this
> > year.
> > 
> > Honestly, the reason why upstreamed this patch is not only that it can
> > be used by ccmni, but also I observed that the current Linux kernel does
> > not generate ipv6 link-local address only when addr_gen_mode ==
> > IN6_ADDR_GEN_MODE_NONE. We hope kernel can add a device type so that no
> > ipv6 link-local address can be generated in any addr_gen_mode.  
> 
> gentle ping for this patch set.

We don't merge patches without upstream users.