From patchwork Wed Dec 2 16:17:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Limonciello, Mario" X-Patchwork-Id: 11946375 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=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 0C697C83014 for ; Wed, 2 Dec 2020 16:19:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BC22B221FB for ; Wed, 2 Dec 2020 16:19:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730685AbgLBQSt (ORCPT ); Wed, 2 Dec 2020 11:18:49 -0500 Received: from mx0a-00154904.pphosted.com ([148.163.133.20]:55448 "EHLO mx0a-00154904.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728614AbgLBQSs (ORCPT ); Wed, 2 Dec 2020 11:18:48 -0500 Received: from pps.filterd (m0170393.ppops.net [127.0.0.1]) by mx0a-00154904.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0B2G2og1020112; Wed, 2 Dec 2020 11:18:07 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=smtpout1; bh=R9gWkkqT52ksh/nQaF9y9YOeO2DMvI4ZuetQduJ8x64=; b=ASewIRX1z+V2fTjs2x0QRXMOPnF2x57dVVkcmuaJKrzc/uxqqzdhuWFYsjjbb5u2hLuE TuO/Tp6GBcO/bWoZUPgyS2iPxjmm2+EKBSodhtGqgFMfVJAUtEUXiIZv5mGldpOuzKPn 5QgCGIMCGFCqRweoQ1UnorC9EeeE9gsE7yEmdI3C3C/4RYo0GiIcSm43IzCQaLNSSCAG Qgi/dMv9dGvDxq5CZJzxXXDjin6rd7S6yNHJvy1E/3eZOTE5+4m1ffrU0/Nget0eKJF0 eDs/PmG9iYHqfNFgOH3Gssx4mBn0e4LOSMpCXFn8mRzGqTbs3p3H78y4oPBQMuIe2ZlF 0w== Received: from mx0a-00154901.pphosted.com (mx0a-00154901.pphosted.com [67.231.149.39]) by mx0a-00154904.pphosted.com with ESMTP id 353jrq0n58-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 02 Dec 2020 11:18:07 -0500 Received: from pps.filterd (m0134746.ppops.net [127.0.0.1]) by mx0a-00154901.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0B2GEsXF044458; Wed, 2 Dec 2020 11:18:06 -0500 Received: from ausxippc110.us.dell.com (AUSXIPPC110.us.dell.com [143.166.85.200]) by mx0a-00154901.pphosted.com with ESMTP id 3569ejnfje-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 02 Dec 2020 11:18:06 -0500 X-LoopCount0: from 10.173.37.130 X-PREM-Routing: D-Outbound X-IronPort-AV: E=Sophos;i="5.78,387,1599541200"; d="scan'208";a="1013735384" From: Mario Limonciello To: Jeff Kirsher , Tony Nguyen , intel-wired-lan@lists.osuosl.org Cc: linux-kernel@vger.kernel.org, Linux PM , Netdev , Alexander Duyck , Jakub Kicinski , Sasha Netfin , Aaron Brown , Stefan Assmann , David Miller , darcari@redhat.com, Yijun.Shen@dell.com, Perry.Yuan@dell.com, Mario Limonciello , Yijun Shen Subject: [PATCH v2 5/5] e1000e: Export s0ix flags to ethtool Date: Wed, 2 Dec 2020 10:17:48 -0600 Message-Id: <20201202161748.128938-6-mario.limonciello@dell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201202161748.128938-1-mario.limonciello@dell.com> References: <20201202161748.128938-1-mario.limonciello@dell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-12-02_08:2020-11-30,2020-12-02 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 malwarescore=0 impostorscore=0 lowpriorityscore=0 mlxscore=0 spamscore=0 bulkscore=0 clxscore=1015 suspectscore=0 priorityscore=1501 mlxlogscore=999 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012020096 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 spamscore=0 bulkscore=0 suspectscore=0 adultscore=0 malwarescore=0 mlxlogscore=999 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012020096 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org This flag can be used for debugging and development purposes including determining if s0ix flows work properly for a system not currently recognized by heuristics. Tested-by: Yijun Shen Signed-off-by: Mario Limonciello --- drivers/net/ethernet/intel/e1000e/ethtool.c | 40 +++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c index 03215b0aee4b..eb683949ebfe 100644 --- a/drivers/net/ethernet/intel/e1000e/ethtool.c +++ b/drivers/net/ethernet/intel/e1000e/ethtool.c @@ -23,6 +23,13 @@ struct e1000_stats { int stat_offset; }; +static const char e1000e_priv_flags_strings[][ETH_GSTRING_LEN] = { +#define E1000E_PRIV_FLAGS_S0IX_ENABLED BIT(0) + "s0ix-enabled", +}; + +#define E1000E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(e1000e_priv_flags_strings) + #define E1000_STAT(str, m) { \ .stat_string = str, \ .type = E1000_STATS, \ @@ -1776,6 +1783,8 @@ static int e1000e_get_sset_count(struct net_device __always_unused *netdev, return E1000_TEST_LEN; case ETH_SS_STATS: return E1000_STATS_LEN; + case ETH_SS_PRIV_FLAGS: + return E1000E_PRIV_FLAGS_STR_LEN; default: return -EOPNOTSUPP; } @@ -2097,6 +2106,10 @@ static void e1000_get_strings(struct net_device __always_unused *netdev, p += ETH_GSTRING_LEN; } break; + case ETH_SS_PRIV_FLAGS: + memcpy(data, e1000e_priv_flags_strings, + E1000E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN); + break; } } @@ -2305,6 +2318,31 @@ static int e1000e_get_ts_info(struct net_device *netdev, return 0; } +static u32 e1000e_get_priv_flags(struct net_device *netdev) +{ + struct e1000_adapter *adapter = netdev_priv(netdev); + u32 priv_flags = 0; + + if (adapter->flags2 & FLAG2_ENABLE_S0IX_FLOWS) + priv_flags |= E1000E_PRIV_FLAGS_S0IX_ENABLED; + + return priv_flags; +} + +static int e1000e_set_priv_flags(struct net_device *netdev, u32 priv_flags) +{ + struct e1000_adapter *adapter = netdev_priv(netdev); + unsigned int flags2 = adapter->flags2; + + flags2 &= ~FLAG2_ENABLE_S0IX_FLOWS; + if (priv_flags & E1000E_PRIV_FLAGS_S0IX_ENABLED) + flags2 |= FLAG2_ENABLE_S0IX_FLOWS; + if (flags2 != adapter->flags2) + adapter->flags2 = flags2; + + return 0; +} + static const struct ethtool_ops e1000_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS, .get_drvinfo = e1000_get_drvinfo, @@ -2336,6 +2374,8 @@ static const struct ethtool_ops e1000_ethtool_ops = { .set_eee = e1000e_set_eee, .get_link_ksettings = e1000_get_link_ksettings, .set_link_ksettings = e1000_set_link_ksettings, + .get_priv_flags = e1000e_get_priv_flags, + .set_priv_flags = e1000e_set_priv_flags, }; void e1000e_set_ethtool_ops(struct net_device *netdev)