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From: "Bjørn Mork" <>
To: "Linus Lüssing" <>
	Nikolay Aleksandrov <>,
	Roopa Prabhu <>,,,,
	"David S . Miller" <>
Subject: Re: [RFC PATCH net-next] bridge: Implement MLD Querier wake-up calls / Android bug workaround
Date: Mon, 17 Aug 2020 10:39:00 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <> ("Linus =?utf-8?Q?L=C3=BCssing=22's?= message of "Sun, 16 Aug 2020 22:24:24 +0200")

Linus Lüssing <> writes:

> Currently there are mobile devices (e.g. Android) which are not able
> to receive and respond to MLD Queries reliably because the Wifi driver
> filters a lot of ICMPv6 when the device is asleep - including
> MLD. This in turn breaks IPv6 communication when MLD Snooping is
> enabled. However there is one ICMPv6 type which is allowed to pass and
> which can be used to wake up the mobile device: ICMPv6 Echo Requests.

This is not a bug.  They are deliberately breaking IPv6 because they
consider this a feature.  You should not try to work around such issues.
It is a fight you cannot win.  Any workaround will only encourage them
to come up with new ways to break IPv6.


  parent reply	other threads:[~2020-08-17  8:39 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-16 20:24 [RFC PATCH net-next] bridge: Implement MLD Querier wake-up calls / Android bug workaround Linus Lüssing
2020-08-16 22:08 ` [Bridge] " Stephen Hemminger
2020-08-16 22:10   ` David Miller
2020-08-23 15:42   ` Linus Lüssing
2020-08-23 17:19     ` Stephen Hemminger
2020-08-23 19:49     ` Felix Fietkau
2020-08-17  4:10 ` David Miller
2020-08-17  8:39 ` Bjørn Mork [this message]
2020-08-17 13:17   ` [gluon] " Sven Eckelmann
2020-08-17 13:35     ` Bjørn Mork
2020-08-17 14:24     ` Daniel Golle
2020-08-18  0:35 ` [bridge] fdde3c8b90: WARNING:at_net/core/rtnetlink.c:#rtnl_link_register kernel test robot

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