Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758961AbbLBQzI (ORCPT ); Wed, 2 Dec 2015 11:55:08 -0500 Received: from szxga02-in.huawei.com ([119.145.14.65]:15939 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964815AbbLBQzB (ORCPT ); Wed, 2 Dec 2015 11:55:01 -0500 From: Salil Mehta To: , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH V6 net-next 4/5] net:hns: Add support of ethtool TSO set option for Hip06 in HNS Date: Wed, 2 Dec 2015 16:52:50 +0000 Message-ID: <1449075171-4820-5-git-send-email-salil.mehta@huawei.com> X-Mailer: git-send-email 2.6.2 In-Reply-To: <1449075171-4820-1-git-send-email-salil.mehta@huawei.com> References: <1449075171-4820-1-git-send-email-salil.mehta@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.203.174.67] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.565F2261.0158,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 158d7a809918c3a86c6c9d42499a9cf7 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2938 Lines: 99 From: Salil This patch adds the support of ethtool TSO option to support Hip06 SoC to HNS Signed-off-by: Salil Mehta Signed-off-by: lisheng --- PATCH V6/V5: - No change over the previous patch PATCH V4: This fixes the comments given by Sergei Shtylyov over the PATCH V3: Link: https://lkml.org/lkml/2015/11/20/358 PATCH V3/V2: - No change over the initial patch PATCH V1: - Initial version of Ethtool support of TSO by Lisheng --- drivers/net/ethernet/hisilicon/hns/hns_enet.c | 47 +++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c index c025a71..cad2663 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@ -1384,6 +1384,51 @@ static int hns_nic_change_mtu(struct net_device *ndev, int new_mtu) return ret; } +static int hns_nic_set_features(struct net_device *netdev, + netdev_features_t features) +{ + struct hns_nic_priv *priv = netdev_priv(netdev); + struct hnae_handle *h = priv->ae_handle; + + switch (priv->enet_ver) { + case AE_VERSION_1: + if (features & (NETIF_F_TSO | NETIF_F_TSO6)) + netdev_info(netdev, "enet v1 do not support tso!\n"); + break; + default: + if (features & (NETIF_F_TSO | NETIF_F_TSO6)) { + priv->ops.fill_desc = fill_tso_desc; + priv->ops.maybe_stop_tx = hns_nic_maybe_stop_tso; + /* The chip only support 7*4096 */ + netif_set_gso_max_size(netdev, 7 * 4096); + h->dev->ops->set_tso_stats(h, 1); + } else { + priv->ops.fill_desc = fill_v2_desc; + priv->ops.maybe_stop_tx = hns_nic_maybe_stop_tx; + h->dev->ops->set_tso_stats(h, 0); + } + break; + } + netdev->features = features; + return 0; +} + +static netdev_features_t hns_nic_fix_features( + struct net_device *netdev, netdev_features_t features) +{ + struct hns_nic_priv *priv = netdev_priv(netdev); + + switch (priv->enet_ver) { + case AE_VERSION_1: + features &= ~(NETIF_F_TSO | NETIF_F_TSO6 | + NETIF_F_HW_VLAN_CTAG_FILTER); + break; + default: + break; + } + return features; +} + /** * nic_set_multicast_list - set mutl mac address * @netdev: net device @@ -1479,6 +1524,8 @@ static const struct net_device_ops hns_nic_netdev_ops = { .ndo_set_mac_address = hns_nic_net_set_mac_address, .ndo_change_mtu = hns_nic_change_mtu, .ndo_do_ioctl = hns_nic_do_ioctl, + .ndo_set_features = hns_nic_set_features, + .ndo_fix_features = hns_nic_fix_features, .ndo_get_stats64 = hns_nic_get_stats64, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = hns_nic_poll_controller, -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/