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 AA18926461F; Wed, 18 Feb 2026 06:33:17 +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=1771396397; cv=none; b=M8AxPHvntxgW2FpU2Wrlfis2C6Ql6tHBP2FQEA391/qBkzR2lH9ztLFtt0ZN2i635AxdDsV2psKUtT1VCpdxbH56Phpk8bU+pY9Ds2E6rrf7MyLgbPFHXHnnIpMaW9k6oQOMd0zdfeMKZDoNLXTXysfn51t+0qPaw3Qn6dSNess= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771396397; c=relaxed/simple; bh=xlq/orPrqkjTO0YNNrdAfmcEntu7UhnfrYHyILgAIWQ=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=VKt3sZLpsxalPcJ5iq4ELlh0Na129rL6YykQgwPYZ0QARrg8pQfh74qSzxoJWPmvA8zOPZnEaWnlAod72zq+VnoiJruZsfK8TR+pRQnLAirXRaWqe4ju8qPhQekl8E/uGgS3zgF8LL6Zw4yzTDxKcjynsvK0aaCR8qJnTkb3EW8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZFAmnbOW; 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="ZFAmnbOW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3A54EC19421; Wed, 18 Feb 2026 06:33:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771396397; bh=xlq/orPrqkjTO0YNNrdAfmcEntu7UhnfrYHyILgAIWQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=ZFAmnbOWLZMMgx7JkB2LLkkaf3U2yx3L5uKLKH9g58+COilokSZxj4wpOHZ8umEqm 0cBN0GTFFAywodjg0OMhmjr9IDrSRrYW/KKVBOu78ossK+mupQ/W158DmOh+W9yyWa n7TUiPXj/Hspf2Vt2WvXrOPkmZivL4CaxXo1LM74Miixyr5w925krGfzJXOb1a54k7 hpCW+LW8SjEHYN5rbtpsv59aipQhZ8nkeDD9g9oB1qPJ2vghlSK1BBRdqCvyV6zWpG kUW0dVCDUUtoAXW+s5+VSsqY2/+NFvR+Nvj7VnEJzINqzvlN3/hrHYW2n/SL9bAgTm GMlgaU6cygFWA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 0B0473806667; Wed, 18 Feb 2026 06:33:10 +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] eth: fbnic: Add validation for MTU changes From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177139638883.824640.16921608412951781877.git-patchwork-notify@kernel.org> Date: Wed, 18 Feb 2026 06:33:08 +0000 References: <20260214171949.772493-1-dimitri.daskalakis1@gmail.com> In-Reply-To: <20260214171949.772493-1-dimitri.daskalakis1@gmail.com> To: Dimitri Daskalakis Cc: davem@davemloft.net, alexanderduyck@fb.com, kuba@kernel.org, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com, sdf@fomichev.me, mohsin.bashr@gmail.com, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by David S. Miller : On Sat, 14 Feb 2026 09:19:49 -0800 you wrote: > Increasing the MTU beyond the HDS threshold causes the hardware to > fragment packets across multiple buffers. If a single-buffer XDP program > is attached, the driver will drop all multi-frag frames. While we can't > prevent a remote sender from sending non-TCP packets larger than the MTU, > this will prevent users from inadvertently breaking new TCP streams. > > Traditionally, drivers supported XDP with MTU less than 4Kb > (packet per page). Fbnic currently prevents attaching XDP when MTU is too high. > But it does not prevent increasing MTU after XDP is attached. > > [...] Here is the summary with links: - [net] eth: fbnic: Add validation for MTU changes https://git.kernel.org/netdev/net/c/ccd8e87748ad You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html