From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subash Abhinov Kasiviswanathan Subject: [PATCH net-next v3 RESEND 10/10] net: qualcomm: rmnet: Add support for GSO Date: Sun, 7 Jan 2018 11:36:40 -0700 Message-ID: <1515350200-29472-11-git-send-email-subashab@codeaurora.org> References: <1515350200-29472-1-git-send-email-subashab@codeaurora.org> Cc: Subash Abhinov Kasiviswanathan To: davem@davemloft.net, netdev@vger.kernel.org, lkp@intel.com, edumazet@google.com Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:46688 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754472AbeAGShK (ORCPT ); Sun, 7 Jan 2018 13:37:10 -0500 In-Reply-To: <1515350200-29472-1-git-send-email-subashab@codeaurora.org> Sender: netdev-owner@vger.kernel.org List-ID: 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) { -- 1.9.1