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 BE86A3B3C01 for ; Mon, 10 Aug 2026 22:40:58 +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=1786401659; cv=none; b=lBsz6Ntbb4fFFk5Tiso1mXUliHeUIKY5R074lALafwi3jb9uATzVDvB8vY8qCZbHAzQP+VNM1hNxVmwSv7d1+7caXQ/yUduHYlwxuxvwUxv7u3crR1zW5JlHkyAU39CpC0vXvaR5bPnQ7VLBKTgUAOiebJJM53aBqq3Mua4T6Kw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786401659; c=relaxed/simple; bh=tn0LCEOXlmq0NtwLm5PUAuiPzR2cCLoxPZW5E6vQkSM=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=br9wa7dH+Bxo0NC1GcKk6teaeF94BwajyBFoSQXkyQPDOPSNInCAbfieJtrXQKtj0O0clSVIurSZ0nLK6e+6V15SW7n44CEds0WtIgj2y1nZH4JyClZ3r7T3wK7/uKFvulYU1d1Bday/WAWtGFdLA4SLnCBgjdoAD5We7OxcSHI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YVIUSFkG; 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="YVIUSFkG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 77A4A1F000E9; Mon, 10 Aug 2026 22:40:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786401658; bh=vDT6lH0Ud6l0jYOI8SX+rTOav8SwXVbN901wxtTlzBY=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=YVIUSFkG4Dhblp6l3DqIzrCcZvI/S3ZnNbNycOOUJbGZtuAhzSK0ifhRD0L2MsZhV F2hkdlxBENK9gFPEUjw/EPq3oY6hn2WsZ71nN+XcEHloGQAYfIag4b4PKnLmb2rFAy KsPyTcLFg6nk2VqKCXX7+lqx0sBi0zM9Qm1snDZuyQX+HgqKAVIo9Wl8qy+Whs0yvD vttntNsLO88OazDwV6sNjjvs1hg4ecB9cOUPzidT6efnJV2USICZTDewVxEU95e+Wl 4RIxcO4tj/6vsMwunZxn1WhcyhBZeCFR7S07iV7hZe//N5djv2aHvfIgoSP8nCkPIT XDtMHOd7dV2vA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 40E983926265; Mon, 10 Aug 2026 22:40:16 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] macvlan: inherit needed_headroom and needed_tailroom from lowerdev From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178640161489.238814.16305919638200526309.git-patchwork-notify@kernel.org> Date: Mon, 10 Aug 2026 22:40:14 +0000 References: <20260806141938.287660-1-edumazet@google.com> In-Reply-To: <20260806141938.287660-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com, xietangxin@h-partners.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 6 Aug 2026 14:19:38 +0000 you wrote: > macvlan devices inherit hard_header_len from lowerdev during macvlan_init(), > but leave needed_headroom and needed_tailroom set to 0. > > When the underlying lowerdev requires extra headroom or tailroom for > headers/trailers (e.g. macsec, ipsec, wireguard, tunnels, or veth with rx > headroom), upper layers calculating packet headroom and tailroom fail to > reserve sufficient space. > > [...] Here is the summary with links: - [net] macvlan: inherit needed_headroom and needed_tailroom from lowerdev https://git.kernel.org/netdev/net/c/cef51860becd You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html