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 C942538B for ; Thu, 18 Sep 2025 01:03:25 +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=1758157405; cv=none; b=EYzJywixJQp5GL47YyqZj2fKjqs8A6TdnDHGIblvb1HDetdaUU54xkV90gazrnnRUDfPayTkNXvfKee9L7wJyuK1KwtKjrslhRUoQXP90IuSHZgGR9n8R8X9IHPy1bMQURrjU2Kyt9pGs/TSpgaAhsPOoQkBHNWS9cnS5mu5NGU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758157405; c=relaxed/simple; bh=9DRdLQgHV7FeZQubiPzd5qz/fROsolBm3SHhYXKUaEA=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=OQb10AYfD8eJcJuMG6l4P5XS8az0uGX6gyTrfJKAuxQY7go7i8NnZSKBcKfy5UfR/qrD5EBbp0bZfM3ekAUY0IsiSsttrEfsGpSlPRRKIs+8MuYimP6fn8vrzUuE0TvcxPY1Pg9OVL8NS4eiOlP0jwv5/H4mci6n4QdOKpE00uA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SkWA9EoR; 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="SkWA9EoR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D0511C4CEE7; Thu, 18 Sep 2025 01:03:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758157405; bh=9DRdLQgHV7FeZQubiPzd5qz/fROsolBm3SHhYXKUaEA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=SkWA9EoREcHxpq6kjCbXJkQdjx3Hkjcz6wxVLcVGkf6WvcFA/p0HY5bIXzhSFYNLR JKNIMi+2Ul5tLyPI3hGqz8AW2TDJJWeeCDm3Nhzks0/ZGu7irJRFk9iV4/rONDBeux ansQRE6iXql/r+E4Yy3DJhEZ3in3OyBLGts/geckTTs1LrHDk+mGHCiDS1/kE2WeqF vY1CAQcpeWspBQZLVRPuL28Mny9QK/NUWBxXYvtAb4UXPd6/DHX4rnEbBSOApq1d+R 8nD9vQ3W/bfQeu2R8ProQq7rfYsBAVQ3jVHWFZSMaOKZMusx9KiL4bof30l7egtAwN hDXWn/B/kvEig== Date: Wed, 17 Sep 2025 18:03:23 -0700 From: Jakub Kicinski To: Eric Dumazet Cc: "David S . Miller" , Paolo Abeni , Simon Horman , Willem de Bruijn , Kuniyuki Iwashima , David Ahern , netdev@vger.kernel.org, eric.dumazet@gmail.com Subject: Re: [PATCH net-next 00/10] udp: increase RX performance under stress Message-ID: <20250917180323.19203388@kernel.org> In-Reply-To: <20250916160951.541279-1-edumazet@google.com> References: <20250916160951.541279-1-edumazet@google.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-Transfer-Encoding: 7bit On Tue, 16 Sep 2025 16:09:41 +0000 Eric Dumazet wrote: > This series is the result of careful analysis of UDP stack, > to optimize the receive side, especially when under one or several > UDP sockets are receiving a DDOS attack. > > I have measured a 47 % increase of throughput when using > IPv6 UDP packets with 120 bytes of payload, under DDOS. Reviewed-by: Jakub Kicinski