From patchwork Fri Oct 4 16:19:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Borkmann X-Patchwork-Id: 13822716 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 7C52F1E3783 for ; Fri, 4 Oct 2024 16:19:41 +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=1728058784; cv=none; b=H6pjknuPHkJoB4JA5RjNKYhFB2Uq8vjEAPnDLBGXyqRzlRDWEuSvyNY0uh53oXRRokyUCGiuX1OPi2ZprL3LSLetFOHqZWK37HgBoAihl3KTFxMNVMlxfYj5UxCII+tlGekFw1NKu8eyJ1sky8+GEsipJouzhUkgRnW7ogV4hSg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728058784; c=relaxed/simple; bh=pEV/MxMbuiBE8kfjwjbyHWDCwn0HO/vnXJb/zzOhWIo=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=nIl661S5GcqBuiQb96Pjp+3kRiG8UEu1KfdUPjv4C0ChZAdPOh5wNBtqrLSdNURe+/aIRQ0n2d+1qyU7TRtCf8VDOVlAWIc4wQsOlJuoH34BRrC/EGYCG7tNkQ4hWpEVFaImMjyBFGreAwpvT2KfbcalStvg9KTNqX32jCvW4Kw= 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=nPY9yl9o; 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="nPY9yl9o" 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=1VRZhIoDkswjtSyTAiqATwQQKbDLVvc16+cgZRRY02g=; b=nPY9yl9oQyhgWDnMPbeh9Ii5bM 4/49wyK/bcpeIIei5jWB7x1aDtcy6VeiMbu6lURpwvfoS84ILecNbaeDsvNVHAIrsCQcOusEzVffh esS1ay8DBrMbD+IG0GQqQVgBp3FNHrKgIpgkpbFtnqkp0D31INuHczKsOnzNeXXqlLIu4AtjjobUW QFk6JtBEs2WYyHbcrj1vMHjgnyinG7T3dYq/Y+6jxFJu2GPF28/tc6oUFEHhoFZC1QftYD5pQkeKZ eAyio6iIcx/z/rm8bp/0mWB3MDBbyyLC5DYNiFGIUonhpsCCme6IkT/zHZu/gp/29pPgcvLKdKkOU WTRoJuKg==; 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 1swl1i-000DH1-Qw; Fri, 04 Oct 2024 18:19:34 +0200 From: Daniel Borkmann To: kuba@kernel.org Cc: edumazet@google.com, netdev@vger.kernel.org Subject: [PATCH net-next] wireguard: Wire-up big tcp support Date: Fri, 4 Oct 2024 18:19:33 +0200 Message-Id: <20241004161933.120219-1-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 --- 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;