From patchwork Tue Jun 21 03:56:33 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Yisen.Zhuang(Zhuangyuzeng)" X-Patchwork-Id: 9189285 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 870A96075E for ; Tue, 21 Jun 2016 03:43:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 773B127F17 for ; Tue, 21 Jun 2016 03:43:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6BC1027F93; Tue, 21 Jun 2016 03:43:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EAC4F27F17 for ; Tue, 21 Jun 2016 03:43:39 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFCZl-0001DJ-5E; Tue, 21 Jun 2016 03:42:09 +0000 Received: from szxga01-in.huawei.com ([58.251.152.64]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bFCXF-0005uW-G9 for linux-arm-kernel@lists.infradead.org; Tue, 21 Jun 2016 03:39:37 +0000 Received: from 172.24.1.36 (EHLO szxeml425-hub.china.huawei.com) ([172.24.1.36]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DMN28073; Tue, 21 Jun 2016 11:38:17 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by szxeml425-hub.china.huawei.com (10.82.67.180) with Microsoft SMTP Server id 14.3.235.1; Tue, 21 Jun 2016 11:38:03 +0800 From: Yisen Zhuang To: , , , Subject: [PATCH net-next 13/19] net: hns: add get_coalesce_range api for hns Date: Tue, 21 Jun 2016 11:56:33 +0800 Message-ID: <1466481399-70080-14-git-send-email-Yisen.Zhuang@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1466481399-70080-1-git-send-email-Yisen.Zhuang@huawei.com> References: <1466481399-70080-1-git-send-email-Yisen.Zhuang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090201.5768B6AB.002E, 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: ef069e5693dfd90f19505b0070b9e3bc X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160620_203934_158460_5F17BE23 X-CRM114-Status: GOOD ( 11.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ivecera@redhat.com, andrew@lunn.ch, fengguang.wu@intel.com, liguozhu@huawei.com, arnd@arndb.de, charles.chenxin@huawei.com, linux-kernel@vger.kernel.org, linuxarm@huawei.com, geliangtang@163.com, huangdaode@hisilicon.com, netdev@vger.kernel.org, andriy.shevchenko@linux.intel.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Daode Huang This patch adds get_coalesce_range api for hns, it shows range of coalesce usecs and frames that can be set on this interface. Signed-off-by: Daode Huang Signed-off-by: Yisen Zhuang --- drivers/net/ethernet/hisilicon/hns/hnae.h | 5 +++++ drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c | 25 +++++++++++++++++++++++ drivers/net/ethernet/hisilicon/hns/hns_ethtool.c | 10 +++++++++ 3 files changed, 40 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h b/drivers/net/ethernet/hisilicon/hns/hnae.h index 529cb13..962e445 100644 --- a/drivers/net/ethernet/hisilicon/hns/hnae.h +++ b/drivers/net/ethernet/hisilicon/hns/hnae.h @@ -473,6 +473,11 @@ struct hnae_ae_ops { int (*set_coalesce_usecs)(struct hnae_handle *handle, u32 timeout); int (*set_coalesce_frames)(struct hnae_handle *handle, u32 coalesce_frames); + void (*get_coalesce_range)(struct hnae_handle *handle, + u32 *tx_frames_low, u32 *rx_frames_low, + u32 *tx_frames_high, u32 *rx_frames_high, + u32 *tx_usecs_low, u32 *rx_usecs_low, + u32 *tx_usecs_high, u32 *rx_usecs_high); void (*set_promisc_mode)(struct hnae_handle *handle, u32 en); int (*get_mac_addr)(struct hnae_handle *handle, void **p); int (*set_mac_addr)(struct hnae_handle *handle, void *p); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c index b97cc75..6b3796f 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c @@ -465,6 +465,30 @@ static int hns_ae_set_coalesce_frames(struct hnae_handle *handle, ring_pair->port_id_in_comm, coalesce_frames); } +static void hns_ae_get_coalesce_range(struct hnae_handle *handle, + u32 *tx_frames_low, u32 *rx_frames_low, + u32 *tx_frames_high, u32 *rx_frames_high, + u32 *tx_usecs_low, u32 *rx_usecs_low, + u32 *tx_usecs_high, u32 *rx_usecs_high) +{ + struct dsaf_device *dsaf_dev; + + dsaf_dev = hns_ae_get_dsaf_dev(handle->dev); + + *tx_frames_low = HNS_RCB_MIN_COALESCED_FRAMES; + *rx_frames_low = HNS_RCB_MIN_COALESCED_FRAMES; + *tx_frames_high = + (dsaf_dev->desc_num - 1 > HNS_RCB_MAX_COALESCED_FRAMES) ? + HNS_RCB_MAX_COALESCED_FRAMES : dsaf_dev->desc_num - 1; + *rx_frames_high = + (dsaf_dev->desc_num - 1 > HNS_RCB_MAX_COALESCED_FRAMES) ? + HNS_RCB_MAX_COALESCED_FRAMES : dsaf_dev->desc_num - 1; + *tx_usecs_low = 0; + *rx_usecs_low = 0; + *tx_usecs_high = HNS_RCB_MAX_COALESCED_USECS; + *rx_usecs_high = HNS_RCB_MAX_COALESCED_USECS; +} + void hns_ae_update_stats(struct hnae_handle *handle, struct net_device_stats *net_stats) { @@ -798,6 +822,7 @@ static struct hnae_ae_ops hns_dsaf_ops = { .get_rx_max_coalesced_frames = hns_ae_get_rx_max_coalesced_frames, .set_coalesce_usecs = hns_ae_set_coalesce_usecs, .set_coalesce_frames = hns_ae_set_coalesce_frames, + .get_coalesce_range = hns_ae_get_coalesce_range, .set_promisc_mode = hns_ae_set_promisc_mode, .set_mac_addr = hns_ae_set_mac_address, .set_mc_addr = hns_ae_set_multicast_one, diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index 564ae1e..a395ca1 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -751,6 +751,16 @@ static int hns_get_coalesce(struct net_device *net_dev, &ec->tx_max_coalesced_frames, &ec->rx_max_coalesced_frames); + ops->get_coalesce_range(priv->ae_handle, + &ec->tx_max_coalesced_frames_low, + &ec->rx_max_coalesced_frames_low, + &ec->tx_max_coalesced_frames_high, + &ec->rx_max_coalesced_frames_high, + &ec->tx_coalesce_usecs_low, + &ec->rx_coalesce_usecs_low, + &ec->tx_coalesce_usecs_high, + &ec->rx_coalesce_usecs_high); + return 0; }