From patchwork Wed Jan 10 12:45:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ganesh Goudar X-Patchwork-Id: 858261 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=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zGpf34YPZz9s7M for ; Wed, 10 Jan 2018 23:46:03 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934485AbeAJMqB (ORCPT ); Wed, 10 Jan 2018 07:46:01 -0500 Received: from stargate.chelsio.com ([12.32.117.8]:37003 "EHLO stargate.chelsio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932320AbeAJMqA (ORCPT ); Wed, 10 Jan 2018 07:46:00 -0500 Received: from localhost (victim.blr.asicdesigners.com [10.193.185.129]) by stargate.chelsio.com (8.13.8/8.13.8) with ESMTP id w0ACjvTr030534; Wed, 10 Jan 2018 04:45:57 -0800 From: Ganesh Goudar To: netdev@vger.kernel.org, davem@davemloft.net Cc: nirranjan@chelsio.com, indranil@chelsio.com, venkatesh@chelsio.com, Ganesh Goudar Subject: [PATCH net-next 4/4] cxgb4: implement ndo_features_check Date: Wed, 10 Jan 2018 18:15:47 +0530 Message-Id: <1515588347-16068-1-git-send-email-ganeshgr@chelsio.com> X-Mailer: git-send-email 2.1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Signed-off-by: Ganesh Goudar --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index d0e08f6..3293980 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -3115,6 +3115,24 @@ static void cxgb_add_udp_tunnel(struct net_device *netdev, } } +static netdev_features_t cxgb_features_check(struct sk_buff *skb, + struct net_device *dev, + netdev_features_t features) +{ + struct port_info *pi = netdev_priv(dev); + struct adapter *adapter = pi->adapter; + + if (CHELSIO_CHIP_VERSION(adapter->params.chip) < CHELSIO_T6) + return features; + + /* Check if hw supports offload for this packet */ + if (!skb->encapsulation || cxgb_encap_offload_supported(skb)) + return features; + + /* Offload is not supported for this encapsulated packet */ + return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); +} + static netdev_features_t cxgb_fix_features(struct net_device *dev, netdev_features_t features) { @@ -3148,6 +3166,7 @@ static const struct net_device_ops cxgb4_netdev_ops = { .ndo_setup_tc = cxgb_setup_tc, .ndo_udp_tunnel_add = cxgb_add_udp_tunnel, .ndo_udp_tunnel_del = cxgb_del_udp_tunnel, + .ndo_features_check = cxgb_features_check, .ndo_fix_features = cxgb_fix_features, };