From patchwork Mon Aug 16 03:39:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yufeng Mo X-Patchwork-Id: 497849 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, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 00594C43214 for ; Mon, 16 Aug 2021 03:43:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D5C2C61880 for ; Mon, 16 Aug 2021 03:43:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232983AbhHPDoS (ORCPT ); Sun, 15 Aug 2021 23:44:18 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:14207 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231738AbhHPDoH (ORCPT ); Sun, 15 Aug 2021 23:44:07 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.53]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4Gp0PG2twcz1CXHS; Mon, 16 Aug 2021 11:43:14 +0800 (CST) Received: from dggpeml500024.china.huawei.com (7.185.36.10) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Mon, 16 Aug 2021 11:43:35 +0800 Received: from localhost.localdomain (10.67.165.24) by dggpeml500024.china.huawei.com (7.185.36.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Mon, 16 Aug 2021 11:43:35 +0800 From: Yufeng Mo To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [RFC V4 net-next 4/4] net: hns3: add ethtool support for CQE/EQE mode configuration Date: Mon, 16 Aug 2021 11:39:46 +0800 Message-ID: <1629085186-8622-5-git-send-email-moyufeng@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1629085186-8622-1-git-send-email-moyufeng@huawei.com> References: <1629085186-8622-1-git-send-email-moyufeng@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpeml500024.china.huawei.com (7.185.36.10) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Add support in ethtool for switching EQE/CQE mode. Signed-off-by: Yufeng Mo 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 | 18 +++++++++++++++++- 3 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 47fe6d2..d9f697b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -4986,9 +4986,9 @@ 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 9cb59f7..30891fb 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -710,4 +710,7 @@ 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 6470bba..4a27f17 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -1163,6 +1163,11 @@ static int hns3_get_coalesce(struct net_device *netdev, cmd->tx_max_coalesced_frames = tx_coal->int_ql; cmd->rx_max_coalesced_frames = rx_coal->int_ql; + kernel_coal->use_cqe_mode_tx = (priv->tx_cqe_mode == + DIM_CQ_PERIOD_MODE_START_FROM_CQE); + kernel_coal->use_cqe_mode_rx = (priv->rx_cqe_mode == + DIM_CQ_PERIOD_MODE_START_FROM_CQE); + return 0; } @@ -1332,6 +1337,8 @@ 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; @@ -1357,6 +1364,14 @@ static int hns3_set_coalesce(struct net_device *netdev, for (i = 0; i < queue_num; i++) hns3_set_coalesce_per_queue(netdev, cmd, i); + tx_mode = kernel_coal->use_cqe_mode_tx ? + DIM_CQ_PERIOD_MODE_START_FROM_CQE : + DIM_CQ_PERIOD_MODE_START_FROM_EQE; + rx_mode = kernel_coal->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; } @@ -1662,7 +1677,8 @@ static int hns3_set_tunable(struct net_device *netdev, 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 int hns3_get_ts_info(struct net_device *netdev, struct ethtool_ts_info *info)