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Date: Mon, 11 Jul 2022 11:29:11 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Matthias May <matthias.may@...termo.com> Cc: <netdev@...r.kernel.org>, <davem@...emloft.net>, <yoshfuji@...ux-ipv6.org>, <dsahern@...nel.org>, <edumazet@...gle.com>, <pabeni@...hat.com> Subject: Re: [PATCH net] ip_tunnel: allow to inherit from VLAN encapsulated IP frames On Sat, 9 Jul 2022 22:09:12 +0200 Matthias May wrote: > >> How should i go forward with this? > > > > I think your example above shows that "tos 0xa0" does not work but the > > conversation was about inheritance, does "tos inherit" not work either? > > Yes inherit does not work either. This is why i started setting it statically. > However I think I figured out what is going on. > Setting the TOS statically to 0xa0 does work... when the payload is IPv4 or IPv6, > which is also when inheriting works. For everything other type of payload, it is always 0x00. > This is different than with an IPv4 tunnel. > Should i consider this a bug that needs to be fixed, or is that the intended behaviour? Yes, most likely a bug if you ask me :S
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