Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933376AbeALH5M (ORCPT + 1 other); Fri, 12 Jan 2018 02:57:12 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:4181 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754364AbeALHyU (ORCPT ); Fri, 12 Jan 2018 02:54:20 -0500 From: Peng Li To: CC: , , , , Subject: [PATCH V2 net-next 03/11] net: hns3: add ethtool_ops.get_coalesce support to PF Date: Fri, 12 Jan 2018 16:23:09 +0800 Message-ID: <1515745397-93865-4-git-send-email-lipeng321@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1515745397-93865-1-git-send-email-lipeng321@huawei.com> References: <1515745397-93865-1-git-send-email-lipeng321@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.71.200.31] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: From: Fuyun Liang This patch adds ethtool_ops.get_coalesce support to PF. Whilst our hardware supports per queue values, external interfaces support only a single shared value. As such we use the values for queue 0. Signed-off-by: Fuyun Liang Signed-off-by: Peng Li --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 2 ++ drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 1 + drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 37 ++++++++++++++++++++++ 3 files changed, 40 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index adec88d..0bad0e3 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -448,6 +448,8 @@ struct hnae3_knic_private_info { u16 num_tqps; /* total number of TQPs in this handle */ struct hnae3_queue **tqp; /* array base of all TQPs in this instance */ const struct hnae3_dcb_ops *dcb_ops; + + u16 int_rl_setting; }; struct hnae3_roce_private_info { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h index a2a7ea3..24f6109 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h @@ -464,6 +464,7 @@ struct hns3_enet_ring_group { u16 count; enum hns3_flow_level_range flow_level; u16 int_gl; + u8 gl_adapt_enable; }; struct hns3_enet_tqp_vector { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index f44336c..81b4b3b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -887,6 +887,42 @@ static void hns3_get_channels(struct net_device *netdev, h->ae_algo->ops->get_channels(h, ch); } +static int hns3_get_coalesce_per_queue(struct net_device *netdev, u32 queue, + struct ethtool_coalesce *cmd) +{ + struct hns3_enet_tqp_vector *tx_vector, *rx_vector; + struct hns3_nic_priv *priv = netdev_priv(netdev); + struct hnae3_handle *h = priv->ae_handle; + u16 queue_num = h->kinfo.num_tqps; + + if (queue >= queue_num) { + netdev_err(netdev, + "Invalid queue value %d! Queue max id=%d\n", + queue, queue_num - 1); + return -EINVAL; + } + + tx_vector = priv->ring_data[queue].ring->tqp_vector; + rx_vector = priv->ring_data[queue_num + queue].ring->tqp_vector; + + cmd->use_adaptive_tx_coalesce = tx_vector->tx_group.gl_adapt_enable; + cmd->use_adaptive_rx_coalesce = rx_vector->rx_group.gl_adapt_enable; + + cmd->tx_coalesce_usecs = tx_vector->tx_group.int_gl; + cmd->rx_coalesce_usecs = rx_vector->rx_group.int_gl; + + cmd->tx_coalesce_usecs_high = h->kinfo.int_rl_setting; + cmd->rx_coalesce_usecs_high = h->kinfo.int_rl_setting; + + return 0; +} + +static int hns3_get_coalesce(struct net_device *netdev, + struct ethtool_coalesce *cmd) +{ + return hns3_get_coalesce_per_queue(netdev, 0, cmd); +} + static const struct ethtool_ops hns3vf_ethtool_ops = { .get_drvinfo = hns3_get_drvinfo, .get_ringparam = hns3_get_ringparam, @@ -925,6 +961,7 @@ static void hns3_get_channels(struct net_device *netdev, .nway_reset = hns3_nway_reset, .get_channels = hns3_get_channels, .set_channels = hns3_set_channels, + .get_coalesce = hns3_get_coalesce, }; void hns3_ethtool_set_ops(struct net_device *netdev) -- 1.9.1