From patchwork Wed Sep 29 15:51:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "shenjian (K)" X-Patchwork-Id: 12525941 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C378FC433FE for ; Wed, 29 Sep 2021 15:59:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A8CD261A51 for ; Wed, 29 Sep 2021 15:59:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345916AbhI2QBR (ORCPT ); Wed, 29 Sep 2021 12:01:17 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:13840 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345465AbhI2P7s (ORCPT ); Wed, 29 Sep 2021 11:59:48 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4HKLWV2wB6z8ymr; Wed, 29 Sep 2021 23:53:26 +0800 (CST) Received: from dggpeml500022.china.huawei.com (7.185.36.66) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Wed, 29 Sep 2021 23:58:05 +0800 Received: from localhost.localdomain (10.67.165.24) by dggpeml500022.china.huawei.com (7.185.36.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Wed, 29 Sep 2021 23:58:04 +0800 From: Jian Shen To: , , , CC: , Subject: [RFCv2 net-next 062/167] xen-netback: use netdev feature helpers Date: Wed, 29 Sep 2021 23:51:49 +0800 Message-ID: <20210929155334.12454-63-shenjian15@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210929155334.12454-1-shenjian15@huawei.com> References: <20210929155334.12454-1-shenjian15@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpeml500022.china.huawei.com (7.185.36.66) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org X-Patchwork-State: RFC Use netdev_feature_xxx helpers to replace the logical operation for netdev features. Signed-off-by: Jian Shen --- drivers/net/xen-netback/interface.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index f964f0a402a6..8acfc1f1e716 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -380,15 +380,15 @@ static void xenvif_fix_features(struct net_device *dev, struct xenvif *vif = netdev_priv(dev); if (!vif->can_sg) - *features &= ~NETIF_F_SG; + netdev_feature_clear_bit(NETIF_F_SG_BIT, features); if (~(vif->gso_mask) & GSO_BIT(TCPV4)) - *features &= ~NETIF_F_TSO; + netdev_feature_clear_bit(NETIF_F_TSO_BIT, features); if (~(vif->gso_mask) & GSO_BIT(TCPV6)) - *features &= ~NETIF_F_TSO6; + netdev_feature_clear_bit(NETIF_F_TSO6_BIT, features); if (!vif->ip_csum) - *features &= ~NETIF_F_IP_CSUM; + netdev_feature_clear_bit(NETIF_F_IP_CSUM_BIT, features); if (!vif->ipv6_csum) - *features &= ~NETIF_F_IPV6_CSUM; + netdev_feature_clear_bit(NETIF_F_IPV6_CSUM_BIT, features); } static const struct xenvif_stat { @@ -532,10 +532,13 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid, INIT_LIST_HEAD(&vif->fe_mcast_addr); dev->netdev_ops = &xenvif_netdev_ops; - dev->hw_features = NETIF_F_SG | - NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_FRAGLIST; - dev->features = dev->hw_features | NETIF_F_RXCSUM; + netdev_feature_zero(&dev->hw_features); + netdev_feature_set_bits(NETIF_F_SG | + NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | + NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_FRAGLIST, + &dev->hw_features); + netdev_feature_copy(&dev->features, dev->hw_features); + netdev_feature_set_bit(NETIF_F_RXCSUM_BIT, &dev->features); dev->ethtool_ops = &xenvif_ethtool_ops; dev->tx_queue_len = XENVIF_QUEUE_LENGTH;