From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 6438D4B920A; Fri, 16 Oct 2026 19:11:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792177896; cv=none; b=qIiusWTlFIm3iNFOmHn0qASqoROC/MbOMppKtL6Ujn0r8SwR8PXomYYZuBFNm3pakoY3NDiHKIrVedhSlpB7Ka7ASpLuYGS+3W+ZSakPd0GRiY4kjx+t2qlrj1F/bmaLBIwKYezMkKn9wGSyQg/ga13U3BJL2vzVzue4LtsBK1k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792177896; c=relaxed/simple; bh=gjH6ux9/CigwD9+Mq+IjIYt7czfNODQFlEwDOIEcbgo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gKYbwf7beH7xfYlan2WMLNUQ/PVJD5pvpO9lN6V13QmbaylGKHxDJdPQY68NY06uiDGonvOWIJhyRjNM+e7i4P+HhrfXNpG84uFbV9ojq6C8UQXKrnRHzSbY+JeYyPg7+tJJSGmHE9BUNpoMH+cVE/x55H0/EOpIUHPoeuTfInk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IGSsUU16; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="IGSsUU16" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D30201F000C4; Fri, 16 Oct 2026 19:11:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792177895; bh=J2j1LNLr7By959XSlo4ZiGSoARkrvuevt/yFJn5g9kE=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=IGSsUU16HpYSWfBbYe/HiwYqYejiEqzKDe1Klh5HULcrkXtkVrZeeUaIn19OOwDPq 4zOdaryBP3t6Sfv0m+BTWAZXU3Hn4Ap0jTJXjhKX28oW3FacMl3k54P5k/1jT+IGf+ KpKBbveEuAkIookcSlNfxgi0N1L1A/qwTIxCdj0WSSp7zq5oJga9heCqotXgNGw3j/ xZFmeQx0bXV7vdUnhXqUBEduXMzaC8R1kEcGcLceKRBlORfd/tEgyZfl01NkeHtqE5 MJBXrNc+wULcOZ5i761qXAcCfrsc+t9PtXJ7ljeI2hSqVvkJ9xjHxf3fhJijuIKiel JOyeh9HN52e2g== Date: Fri, 16 Oct 2026 20:11:30 +0100 From: Simon Horman To: Haishuang Yan Cc: netdev@vger.kernel.org, Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Shuah Khan , Alice Mikityanska , Daniel Borkmann , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next v4 2/2] selftests: net: big_tcp_tunnels: Cover bareudp Message-ID: <20261016191130.GQ363352@horms.kernel.org> References: <20261011102023.1603595-1-yanhaishuang@cmss.chinamobile.com> <20261011102023.1603595-3-yanhaishuang@cmss.chinamobile.com> 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-Disposition: inline In-Reply-To: <20261011102023.1603595-3-yanhaishuang@cmss.chinamobile.com> On Sun, Oct 11, 2026 at 06:20:23PM +0800, Haishuang Yan wrote: > Now that bareudp allows BIG TCP too, run the same checks over bareudp as > for vxlan and geneve. > > bareudp only works in external mode, so attach the tunnel metadata to > all packets sent through the device with a tc tunnel_key action on > egress. The device uses ethertype ipv4 with multiproto, so that both > IPv4 and IPv6 traffic can go through it. Its MTU does not account for > the encapsulation, so lower it to leave room for the IPv6 and UDP > headers, otherwise the encapsulated packets would be fragmented. > > Assisted-by: LLM > Signed-off-by: Haishuang Yan Reviewed-by: Simon Horman