From patchwork Wed May 26 09:27:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huazhong Tan X-Patchwork-Id: 448742 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F175C4708A for ; Wed, 26 May 2021 09:28:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 055E1613D8 for ; Wed, 26 May 2021 09:28:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233436AbhEZJ3i (ORCPT ); Wed, 26 May 2021 05:29:38 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:3975 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233325AbhEZJ31 (ORCPT ); Wed, 26 May 2021 05:29:27 -0400 Received: from dggems706-chm.china.huawei.com (unknown [172.30.72.58]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4Fqlrd4V6HzQsSm; Wed, 26 May 2021 17:24:17 +0800 (CST) Received: from dggpemm500006.china.huawei.com (7.185.36.236) by dggems706-chm.china.huawei.com (10.3.19.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Wed, 26 May 2021 17:27:54 +0800 Received: from localhost.localdomain (10.69.192.56) by dggpemm500006.china.huawei.com (7.185.36.236) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Wed, 26 May 2021 17:27:54 +0800 From: Huazhong Tan To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [RFC net-next 4/4] net: hns3: add ethtool support for CQE/EQE mode configuration Date: Wed, 26 May 2021 17:27:42 +0800 Message-ID: <1622021262-8881-5-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1622021262-8881-1-git-send-email-tanhuazhong@huawei.com> References: <1622021262-8881-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpemm500006.china.huawei.com (7.185.36.236) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add support in ethtool for switching EQE/CQE mode. Signed-off-by: Huazhong Tan --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 6 +++--- drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 3 +++ drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 16 +++++++++++++++- include/linux/ethtool.h | 2 ++ 4 files changed, 23 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 3399f26..2096f22 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -4553,9 +4553,9 @@ static void hns3_set_cq_period_mode(struct hns3_nic_priv *priv, } } -static void hns3_cq_period_mode_init(struct hns3_nic_priv *priv, - enum dim_cq_period_mode tx_mode, - enum dim_cq_period_mode rx_mode) +void hns3_cq_period_mode_init(struct hns3_nic_priv *priv, + enum dim_cq_period_mode tx_mode, + enum dim_cq_period_mode rx_mode) { hns3_set_cq_period_mode(priv, tx_mode, true); hns3_set_cq_period_mode(priv, rx_mode, false); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index 8445596..b031fd0 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -666,4 +666,7 @@ void hns3_dbg_register_debugfs(const char *debugfs_dir_name); void hns3_dbg_unregister_debugfs(void); void hns3_shinfo_pack(struct skb_shared_info *shinfo, __u32 *size); u16 hns3_get_max_available_channels(struct hnae3_handle *h); +void hns3_cq_period_mode_init(struct hns3_nic_priv *priv, + enum dim_cq_period_mode tx_mode, + enum dim_cq_period_mode rx_mode); #endif diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index 0042be0..b1fcd3e 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -1159,6 +1159,11 @@ static int hns3_get_coalesce(struct net_device *netdev, coal_base->tx_max_coalesced_frames = tx_coal->int_ql; coal_base->rx_max_coalesced_frames = rx_coal->int_ql; + cmd->use_cqe_mode_tx = (priv->tx_cqe_mode == + DIM_CQ_PERIOD_MODE_START_FROM_CQE); + cmd->use_cqe_mode_rx = (priv->rx_cqe_mode == + DIM_CQ_PERIOD_MODE_START_FROM_CQE); + return 0; } @@ -1328,6 +1333,8 @@ static int hns3_set_coalesce(struct net_device *netdev, struct hns3_enet_coalesce *tx_coal = &priv->tx_coal; struct hns3_enet_coalesce *rx_coal = &priv->rx_coal; u16 queue_num = h->kinfo.num_tqps; + enum dim_cq_period_mode tx_mode; + enum dim_cq_period_mode rx_mode; int ret; int i; @@ -1353,6 +1360,12 @@ static int hns3_set_coalesce(struct net_device *netdev, for (i = 0; i < queue_num; i++) hns3_set_coalesce_per_queue(netdev, coal_base, i); + tx_mode = cmd->use_cqe_mode_tx ? DIM_CQ_PERIOD_MODE_START_FROM_CQE : + DIM_CQ_PERIOD_MODE_START_FROM_EQE; + rx_mode = cmd->use_cqe_mode_rx ? DIM_CQ_PERIOD_MODE_START_FROM_CQE : + DIM_CQ_PERIOD_MODE_START_FROM_EQE; + hns3_cq_period_mode_init(priv, tx_mode, rx_mode); + return 0; } @@ -1604,7 +1617,8 @@ static int hns3_set_priv_flags(struct net_device *netdev, u32 pflags) ETHTOOL_COALESCE_USE_ADAPTIVE | \ ETHTOOL_COALESCE_RX_USECS_HIGH | \ ETHTOOL_COALESCE_TX_USECS_HIGH | \ - ETHTOOL_COALESCE_MAX_FRAMES) + ETHTOOL_COALESCE_MAX_FRAMES | \ + ETHTOOL_COALESCE_USE_CQE) static const struct ethtool_ops hns3vf_ethtool_ops = { .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index 9d0a386..4867008 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -250,6 +250,8 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_RX_USECS_HIGH | \ ETHTOOL_COALESCE_PKT_RATE_LOW | ETHTOOL_COALESCE_PKT_RATE_HIGH | \ ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL) +#define ETHTOOL_COALESCE_USE_CQE \ + (ETHTOOL_COALESCE_USE_CQE_RX | ETHTOOL_COALESCE_USE_CQE_TX) #define ETHTOOL_STAT_NOT_SET (~0ULL)