From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 323101332A5; Mon, 15 Apr 2024 17:36:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713202589; cv=none; b=dm8hfJ/rj9v8LmgKXAJWwVBRMb3+tQr05UxNs649RBEHZfrWFjg2ky7p52gtacJOmt4so7nROgeHAtoCyKfXLGuKciYitobSWwKbbqXdvYL+csGwBh6XM3jKZ8gg1DQDh+4Y2uWCuhP29HYZzHOL4hfWcjca1XH+PPK/oocbu3I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713202589; c=relaxed/simple; bh=9c/6nGsYpdyI3XDbSniQ/VFDcF/43P3Dw6RdPQhOE58=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=h9bGEvk13rQGYsSxM5YEb+JrKZIH30klYqYlYCZXOkImps/MSFnzxE4kVd2H3eIR/uuosdlumPvh55ANPW8XqLDz+fYJlDtpUctlFR9E80ndSIhBVWzhAAwGQk6zX5eHx2itcHFid7kXa5pbmT9VK7hL7dLSucDr06re3dZvFS8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HWsGgs3m; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HWsGgs3m" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5F208C2BD10; Mon, 15 Apr 2024 17:36:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713202588; bh=9c/6nGsYpdyI3XDbSniQ/VFDcF/43P3Dw6RdPQhOE58=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=HWsGgs3mUq83KcXhHcloMTfmK4hfvev01Mzs4fAiodFkacQwulOun+yFrD+OwbB3h wvAgOUaN/ehfUIOxXWiKuUmY/DFT2xLKYn6BrZxgGsQ50FyTrjo3yeCTs/RIQQwau4 p3m3Mg/0kJCprHCKH3gQrtCFQRWwp5NGyTjF/7WDPx/6nhr5p8IhBlbOi3Xob1ckgZ ECWe559ykp9bfIc0eeZ66iOzKDZhdhU/b6fujQjwIcCkcimE826bD/ZL41wssm9468 AyQKjG8O4fLO16XfrlnpY7g2ilXZtKxZ7fBl0RjtXSSjK7staL3eIYhlq81fo9jNkP dkDwMaBYyc/5g== Date: Mon, 15 Apr 2024 10:36:27 -0700 From: Jakub Kicinski To: Willem de Bruijn Cc: davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, shuah@kernel.org, petrm@nvidia.com, linux-kselftest@vger.kernel.org, willemb@google.com Subject: Re: [PATCH net-next 4/5] selftests: drv-net: construct environment for running tests which require an endpoint Message-ID: <20240415103627.5de1281f@kernel.org> In-Reply-To: <661d47afcc6a7_1073d2941a@willemb.c.googlers.com.notmuch> References: <20240412233705.1066444-1-kuba@kernel.org> <20240412233705.1066444-5-kuba@kernel.org> <661c0837eb5a6_3e773229499@willemb.c.googlers.com.notmuch> <20240415073109.57629e54@kernel.org> <661d47afcc6a7_1073d2941a@willemb.c.googlers.com.notmuch> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Mon, 15 Apr 2024 11:28:47 -0400 Willem de Bruijn wrote: > > If I have to (: > > Endpoint isn't great. > > But remote doesn't seem much better, and it doesn't have a nice > > abbreviation :( > > It pairs well with local. > > Since in some tests the (local) machine under test is the sender and > in others it is the receiver, we cannot use SERVER/CLIENT or so. Alright. > > > Use FC00::/7 ULA addresses? > > > > Doesn't ULA have some magic address selection rules which IETF > > is just trying to fix now? IIUC 0100:: is the documentation prefix, > > so shouldn't be too bad? > > RFC 6666 defines this as the "Discard Prefix". Alright, let me use Paolo's suggestion of 2001:db8: