From patchwork Fri Oct 4 16:55:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Borkmann X-Patchwork-Id: 13822781 X-Patchwork-Delegate: kuba@kernel.org Received: from www62.your-server.de (www62.your-server.de [213.133.104.62]) (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 59C731C7292 for ; Fri, 4 Oct 2024 16:55:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.133.104.62 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728060923; cv=none; b=tohA88FEQsC5zwFoMhvF9Yv9g3K434s63rV+Xhy8nCL35PAuGeX8QkFQ/OqJb4oYkDR7rwwr0hg824F/OOhM34uPq7ljfLBwp/PFqbp2evwaNolj8C3thY1J7cCjnnSvPRDOjYvO2zh+q2s2LtD+NsF6DZSXN27rl2nNtqT6WVg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728060923; c=relaxed/simple; bh=SerrFut1Y1ERVR2tso0yxRegKLMxx977GUt5+V0dpqE=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=NXm1HCju/EHyzBZt8Z5zDyIFRF/JxbP063cpZAa3ANGXVlBmLoSJkHpp2DcuYFqvC639/EhWts2NI10/2syAIY18bi8gfSq1mbARd7umosdNzX/yLV4h0rszY8ybyM92DA2oBLepwfMsTCCnC9pxMOljStZcyXXmLDQ1DIufvA0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=iogearbox.net; spf=pass smtp.mailfrom=iogearbox.net; dkim=pass (2048-bit key) header.d=iogearbox.net header.i=@iogearbox.net header.b=RGmROZbv; arc=none smtp.client-ip=213.133.104.62 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=iogearbox.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iogearbox.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=iogearbox.net header.i=@iogearbox.net header.b="RGmROZbv" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=iogearbox.net; s=default2302; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References; bh=7Ko7Q6y/3q1OHxisxRoOV/IlFJ79OSMVDcxVRFjuJ9E=; b=RGmROZbv2BU0U1qwQN4zgQTReN 4eABstxC2VQbVOSw1xrPlYS5YDR+2LeeZ8M5vt/5siUlWDfLtQ1txmzzt6K9hZ6HOqQE9qFB0gn8o +tLBtGpU1qZme7VIeV4Ht/3cyz0yAalVeKJG9LkoAZMQ1NclVTJU0k9j1BKy4T0ixEtoQuaHJ3hHy N8ia5ZGVbqINP8AqIzEZwnoerGTOy5I3t8OZVjnpDoA4VZUDVfs5DaX8XVRQgB9e5S52FLGbuLZfm SOJt4m/etW5fNgmFlvzyAAwdSZHLrxK4N7ijrLUdH170t/wRtD6reg3FqKgDCuOSDYyxz+0xKBgCD izmYx+Hw==; Received: from 47.249.197.178.dynamic.cust.swisscom.net ([178.197.249.47] helo=localhost) by www62.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1swlaJ-000HW1-0j; Fri, 04 Oct 2024 18:55:18 +0200 From: Daniel Borkmann To: kuba@kernel.org Cc: edumazet@google.com, Jason@zx2c4.com, aspsk@isovalent.com, m@lambda.lt, netdev@vger.kernel.org, wireguard@lists.zx2c4.com Subject: [PATCH net-next v2] wireguard: Wire-up big tcp support Date: Fri, 4 Oct 2024 18:55:18 +0200 Message-Id: <20241004165518.120567-1-daniel@iogearbox.net> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Sender: daniel@iogearbox.net X-Virus-Scanned: Clear (ClamAV 0.103.10/27417/Fri Oct 4 10:53:24 2024) X-Patchwork-Delegate: kuba@kernel.org Advertise GSO_MAX_SIZE as TSO max size in order support BIG TCP for wireguard. This helps to improve wireguard performance a bit when enabled as it allows wireguard to aggregate larger skbs in wg_packet_consume_data_done() via napi_gro_receive(), but also allows the stack to build larger skbs on xmit where the driver then segments them before encryption inside wg_xmit(). Signed-off-by: Daniel Borkmann Cc: Jason A. Donenfeld Cc: Anton Protopopov Cc: Martynas Pumputis --- v2: fixed up my gitconfig and Cc's now drivers/net/wireguard/device.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireguard/device.c b/drivers/net/wireguard/device.c index 45e9b908dbfb..79be517b2216 100644 --- a/drivers/net/wireguard/device.c +++ b/drivers/net/wireguard/device.c @@ -301,6 +301,7 @@ static void wg_setup(struct net_device *dev) /* We need to keep the dst around in case of icmp replies. */ netif_keep_dst(dev); + netif_set_tso_max_size(dev, GSO_MAX_SIZE); memset(wg, 0, sizeof(*wg)); wg->dev = dev;