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 AEE6C36A34E; Thu, 25 Jun 2026 01:09:09 +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=1782349750; cv=none; b=DuzlgaD5KltQrtPxRSkQgo/VtYzp1d4byrtTgtsGiHo0uTDPVVDzemWTa4bzmL+DWcVeWYEsWPSgU73v1aj15ec4486GZfiTV00rkTTnZ8qp1qqP2MW+vTsu5uJsyUK0GamrE9aP+GVUrQ+S+JqDASd5/4wIBjdrNE9puDF+F0A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782349750; c=relaxed/simple; bh=EhBWeBor7+3TLkCvfTysfZR/VPJ7nKtlH2rnA0Lob+k=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=txLxuMMfMUcGhT809pDbgyWDTWhvAm7XhW4U1CcF9yUNH+DYcf6QPvpyQhtxFwfO1PYCbs9PiuW5D4jN3VC5aFFJbkUKxjJ9tyC2zquXKOvRqeFXpuh7cgLUJZCdkO7t0iqHFEpXls+nAo3XOjWBr16qe8AG5E+IVuhrUD9gCCs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DrRfq9DY; 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="DrRfq9DY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54BE01F000E9; Thu, 25 Jun 2026 01:09:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782349749; bh=u8uJ8GHJ07pejXcy4KRwPpXgXLjWoU2SgIbTVNpVTno=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=DrRfq9DYyT2ITNIiPP1cG2dYEFGN5wFRdae2H8DC497cS/AvP46JuNtDLPySpl5uo eZWnIID07v7aa693/lU2AjQGVwVunaKPvAHkk7nQ7ZCv9tMrHwmdyJFUYLm4GFDSLr 1CbrrC2pWXNQCuJQKIz8JqXarlyWIbJ6Hz0BrsqgkxSFBvfZeSGUC55lrUJwyAsUDc Bfl9EaSIFBTu6Z+3wY78Wr3DSPberQcORbb5H6GaNI841acmdPpw4xJ+BbG2DzYAMl H6ShURy4ZY00ueODPnixTnKYJcaVHq+IaezdKlr9JAaGPsezylFQd+JazXHCXHqNEm qH4GKnOxPVaYg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D0AC03AAA0F5; Thu, 25 Jun 2026 01:08:58 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: mana: Fall back to standard MTU when PF reports adapter_mtu of 0 From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178234973748.3045401.8722834683122221137.git-patchwork-notify@kernel.org> Date: Thu, 25 Jun 2026 01:08:57 +0000 References: <20260619055348.467224-1-ernis@linux.microsoft.com> In-Reply-To: <20260619055348.467224-1-ernis@linux.microsoft.com> To: Erni Sri Satya Vennela Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, longli@microsoft.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, dipayanroy@linux.microsoft.com, ssengar@linux.microsoft.com, jacob.e.keller@intel.com, horms@kernel.org, gargaditya@linux.microsoft.com, kees@kernel.org, linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 18 Jun 2026 22:53:38 -0700 you wrote: > Commit d7709812e13d ("net: mana: hardening: Validate adapter_mtu from > MANA_QUERY_DEV_CONFIG") rejected any adapter_mtu value smaller than > ETH_MIN_MTU + ETH_HLEN, including 0, returning -EPROTO and failing > mana_probe(). > > Some older PF firmware versions still in the field report > adapter_mtu as 0 in the MANA_QUERY_DEV_CONFIG response. With the > hardening check in place, the MANA VF driver now fails to load on > those hosts, breaking networking entirely for guests. > > [...] Here is the summary with links: - [net] net: mana: Fall back to standard MTU when PF reports adapter_mtu of 0 https://git.kernel.org/netdev/net/c/6bd81a5b4e0d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html