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 0DD0C50AC33 for ; Fri, 25 Sep 2026 23:41:21 +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=1790379683; cv=none; b=EwGTWkxwVJu9gfzNBujKxn3Xp2dKZyboITZQaM2pi+Y16TMVRRTJCv4RQsZbROrmfLXriy/8IbBjcySzb6gg1+2PXV6d9QnaZZe7e2nKSV3TnuMZnxh8SB/Zt9AnC6p7rBl6xOEfRzAsIFakRXlDya8nOtigtgTmgUfh8NNbDVI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790379683; c=relaxed/simple; bh=mN1EAKb/PZNtC0aY47dc/snDVvFQAoPl8h+N3ofRTKY=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=XMo8gNDG3WMazHWPKfzPc8juOcF5QG/vByHF5Tz4IeJOeRtAqnWJ6Ipe7v4/ZxWihzBy8wNAQiuP/Sb71hILKJJYazTiQ6LQGjbcdgloeCZDbrWcUhtgCeGJSQ2D9xf772KTIOyQN7ikUVPsR8Ppkln5vYzaPVfedcWlqMgK4bc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ETKsZFQW; 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="ETKsZFQW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 893371F000FF; Fri, 25 Sep 2026 23:41:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790379681; bh=OdZDA6bI8RzFZiuri6KDMsWr3jO3og7lHmodXhGkB9I=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=ETKsZFQWMOanztF62Xnv4gnnPuxplXilDxko+J0wKNnmXeo8ktfsaL1wGwjRQ2Yax 9UekIqywAvf46ZLlkBnPw1mZj6ZijTE4T41hTx4Bds8+qjWjzjgIBcMnrR9P42hQmk 3O2U/q1yVEz7PXr1oWNwBker3orhKTEcwCD5BBxAGvS3e5582SuKBL3jTZIlbJBr9f uwa9PDqSEOBffLxXe9IRbaHfOKTlTQHCAsGS6aJnK6ZVCAn+/we6JjKf83oWewoydU LH6YHgmauYifnalhD3xIww+vJOSJ0j4YHKNshX0jQ8QXFzGDOway5e2DjwUbl4d+kB nctaWwNCmDLtg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 568C33809A04; Fri, 25 Sep 2026 23:40:10 +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 v2 net-next 0/4] net: ethtool: make netdev_rss_key_fill() spread flows over all queues From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179037960888.3207107.14995347691230461960.git-patchwork-notify@kernel.org> Date: Fri, 25 Sep 2026 23:40:08 +0000 References: <20260922163458.3900996-1-edumazet@google.com> In-Reply-To: <20260922163458.3900996-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, willemb@google.com, horms@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com Hello: This series was applied to netdev/net-next.git (main) by Jakub Kicinski : On Tue, 22 Sep 2026 16:34:54 +0000 you wrote: > netdev_rss_key_fill() hands drivers a uniformly random key. Because the > Toeplitz hash is linear over GF(2), a random key is singular for a given > header field and queue count with probability 1/2: flows differing only > in the low order bits of that field (such as a burst of consecutive > ephemeral ports) then cannot reach all RX queues. On one affected 16-queue > host, only 4 queues received traffic until the key was replaced. > > [...] Here is the summary with links: - [v2,net-next,1/4] net: synchronize proc_do_rss_key() with netdev_rss_key_fill() https://git.kernel.org/netdev/net-next/c/9396e37c4860 - [v2,net-next,2/4] net: ethtool: generate RSS keys that spread flows over all queues https://git.kernel.org/netdev/net-next/c/898d431abd25 - [v2,net-next,3/4] netdevsim: support reporting RSS key, indirection table, and flow hash fields https://git.kernel.org/netdev/net-next/c/5fd4208098be - [v2,net-next,4/4] selftests: drivers: net: check the host and device RSS keys https://git.kernel.org/netdev/net-next/c/c8103dd8b9b4 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html