[OpenWrt-Devel] [PATCH v2] net: Allow class-e address assignment via ifconfig ioctl

[David Miller]

From: Sasha Levin <sashal at kernel.org>
Date: Sun, 17 Feb 2019 13:22:41 -0500

> On Thu, Feb 14, 2019 at 02:16:04PM +0100, Linus Walleij wrote:
>>From: Dave Taht <dave.taht at gmail.com>
>>
>>commit 65cab850f0eeaa9180bd2e10a231964f33743edf upstream.
>>
>>While most distributions long ago switched to the iproute2 suite
>>of utilities, which allow class-e (240.0.0.0/4) address assignment,
>>distributions relying on busybox, toybox and other forms of
>>ifconfig cannot assign class-e addresses without this kernel patch.
>>
>>While CIDR has been obsolete for 2 decades, and a survey of all the
>>open source code in the world shows the IN_whatever macros are also
>>obsolete... rather than obsolete CIDR from this ioctl entirely, this
>>patch merely enables class-e assignment, sanely.
>>
>>Signed-off-by: Dave Taht <dave.taht at gmail.com>
>>Signed-off-by: David S. Miller <davem at davemloft.net>
>>Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
> 
> Is this really a fix? This isn't something that ever worked.
> 
> Either way, David Miller will need to sign off on this since he
> manages
> net/ -stable patches.

I don't think this is -stable material at all.

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