From patchwork Wed Dec 27 02:28:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Subash Abhinov Kasiviswanathan X-Patchwork-Id: 853039 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=codeaurora.org header.i=@codeaurora.org header.b="l9jhHk8E"; dkim=pass (1024-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="l9jhHk8E"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3z5xc51DXsz9s7c for ; Wed, 27 Dec 2017 13:28:37 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751847AbdL0C2f (ORCPT ); Tue, 26 Dec 2017 21:28:35 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:48606 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751837AbdL0C2d (ORCPT ); Tue, 26 Dec 2017 21:28:33 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 5C25D60B1C; Wed, 27 Dec 2017 02:28:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1514341713; bh=Qfq2k+8xz1CIYwlzKWboKS/O2jqrFl5iPfFhEyBX65Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l9jhHk8EUiVEsqGXmNZkfKHhaZY8p4b3FwemWTO3MfxRGyUjBTHcxzzSqbezo0y/b 2ID1AuC/+G962398ywpoCDoTbk9E31Wb137gBa1Bua37ImkspUu8kkaBMyqgq9mIpY DNABXAxLLHGwhHUpKIgnWvQYCt3p2fm1u0OszDfs= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_SIGNED, T_DKIM_INVALID autolearn=no autolearn_force=no version=3.4.0 Received: from subashab-lnx.qualcomm.com (unknown [129.46.15.92]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: subashab@codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id B160C60B21; Wed, 27 Dec 2017 02:28:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1514341713; bh=Qfq2k+8xz1CIYwlzKWboKS/O2jqrFl5iPfFhEyBX65Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l9jhHk8EUiVEsqGXmNZkfKHhaZY8p4b3FwemWTO3MfxRGyUjBTHcxzzSqbezo0y/b 2ID1AuC/+G962398ywpoCDoTbk9E31Wb137gBa1Bua37ImkspUu8kkaBMyqgq9mIpY DNABXAxLLHGwhHUpKIgnWvQYCt3p2fm1u0OszDfs= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org B160C60B21 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=subashab@codeaurora.org From: Subash Abhinov Kasiviswanathan To: davem@davemloft.net, netdev@vger.kernel.org Cc: Subash Abhinov Kasiviswanathan Subject: [PATCH net-next 10/10] net: qualcomm: rmnet: Add support for GSO Date: Tue, 26 Dec 2017 19:28:05 -0700 Message-Id: <1514341685-11262-11-git-send-email-subashab@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1514341685-11262-1-git-send-email-subashab@codeaurora.org> References: <1514341685-11262-1-git-send-email-subashab@codeaurora.org> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Real devices may support scatter gather(SG), so enable SG on rmnet devices to use GSO. GSO reduces CPU cycles by 20% for a rate of 146Mpbs for a single stream TCP connection. Signed-off-by: Subash Abhinov Kasiviswanathan --- drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c index f7f57ce..570a227 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c @@ -190,6 +190,7 @@ int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev, rmnet_dev->hw_features = NETIF_F_RXCSUM; rmnet_dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + rmnet_dev->hw_features |= NETIF_F_SG; rc = register_netdevice(rmnet_dev); if (!rc) {