From patchwork Thu Aug 12 12:08:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "huangguangbin \(A\)" X-Patchwork-Id: 496462 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=-16.7 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 8E967C4320A for ; Thu, 12 Aug 2021 12:12:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6F1DD6023D for ; Thu, 12 Aug 2021 12:12:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237320AbhHLMMx (ORCPT ); Thu, 12 Aug 2021 08:12:53 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:8404 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236141AbhHLMMt (ORCPT ); Thu, 12 Aug 2021 08:12:49 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Gllp01Dnlz86cH; Thu, 12 Aug 2021 20:08:24 +0800 (CST) Received: from dggemi759-chm.china.huawei.com (10.1.198.145) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Thu, 12 Aug 2021 20:12:22 +0800 Received: from localhost.localdomain (10.67.165.24) by dggemi759-chm.china.huawei.com (10.1.198.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Thu, 12 Aug 2021 20:12:21 +0800 From: Guangbin Huang To: , CC: , , , Subject: [PATCH V2 net-next 2/4] ethtool: add two link extended substates of bad signal integrity Date: Thu, 12 Aug 2021 20:08:36 +0800 Message-ID: <1628770118-18714-3-git-send-email-huangguangbin2@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1628770118-18714-1-git-send-email-huangguangbin2@huawei.com> References: <1628770118-18714-1-git-send-email-huangguangbin2@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggemi759-chm.china.huawei.com (10.1.198.145) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST means the input external clock signal for SerDes is too weak or lost. ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS means the received signal for SerDes is too weak because analog loss of signal. Signed-off-by: Guangbin Huang --- include/uapi/linux/ethtool.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index 67aa7134b301..b6db6590baf0 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -639,6 +639,8 @@ enum ethtool_link_ext_substate_link_logical_mismatch { enum ethtool_link_ext_substate_bad_signal_integrity { ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS = 1, ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE, + ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST, + ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS, }; /* More information in addition to ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE. */ From patchwork Thu Aug 12 12:08:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "huangguangbin \(A\)" X-Patchwork-Id: 496461 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=-16.7 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 405B4C4338F for ; Thu, 12 Aug 2021 12:12:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1BD046104F for ; Thu, 12 Aug 2021 12:12:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237366AbhHLMMz (ORCPT ); Thu, 12 Aug 2021 08:12:55 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:13309 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236349AbhHLMMt (ORCPT ); Thu, 12 Aug 2021 08:12:49 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.57]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4Gllmp6JGCz85Lp; Thu, 12 Aug 2021 20:07:22 +0800 (CST) Received: from dggemi759-chm.china.huawei.com (10.1.198.145) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Thu, 12 Aug 2021 20:12:22 +0800 Received: from localhost.localdomain (10.67.165.24) by dggemi759-chm.china.huawei.com (10.1.198.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Thu, 12 Aug 2021 20:12:21 +0800 From: Guangbin Huang To: , CC: , , , Subject: [PATCH V2 net-next 4/4] net: hns3: add support ethtool extended link state Date: Thu, 12 Aug 2021 20:08:38 +0800 Message-ID: <1628770118-18714-5-git-send-email-huangguangbin2@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1628770118-18714-1-git-send-email-huangguangbin2@huawei.com> References: <1628770118-18714-1-git-send-email-huangguangbin2@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggemi759-chm.china.huawei.com (10.1.198.145) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org In order to know the reason of link up failure, add supporting ethtool extended link state. Driver reads the link status code from firmware if in link down state and converts it to ethtool extended link state. Signed-off-by: Guangbin Huang --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 2 + drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 66 ++++++++++++++++++++++ drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.h | 6 ++ .../net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 3 + .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 24 ++++++++ 5 files changed, 101 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index e0b7c3c44e7b..848bed866193 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -718,6 +718,8 @@ struct hnae3_ae_ops { u32 nsec, u32 sec); int (*get_ts_info)(struct hnae3_handle *handle, struct ethtool_ts_info *info); + int (*get_link_diagnosis_info)(struct hnae3_handle *handle, + u32 *status_code); }; struct hnae3_dcb_ops { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index 167721b647ad..835105015763 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -1711,6 +1711,71 @@ static int hns3_get_ts_info(struct net_device *netdev, return ethtool_op_get_ts_info(netdev, info); } +static const struct hns3_ethtool_link_ext_state_mapping +hns3_link_ext_state_map[] = { + {1, ETHTOOL_LINK_EXT_STATE_AUTONEG, + ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD}, + {2, ETHTOOL_LINK_EXT_STATE_AUTONEG, + ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED}, + + {256, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, + ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT}, + {257, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, + ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY}, + {512, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, + ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT}, + + {513, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, + ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK}, + {514, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, + ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED}, + {515, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, + ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED}, + + {768, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, + ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS}, + {769, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, + ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST}, + {770, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, + ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS}, + + {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0}, + {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, + ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, + + {1026, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0}, +}; + +static int hns3_get_link_ext_state(struct net_device *netdev, + struct ethtool_link_ext_state_info *info) +{ + const struct hns3_ethtool_link_ext_state_mapping *map; + struct hnae3_handle *h = hns3_get_handle(netdev); + u32 status_code, i; + int ret; + + if (netif_carrier_ok(netdev)) + return -ENODATA; + + if (!h->ae_algo->ops->get_link_diagnosis_info) + return -EOPNOTSUPP; + + ret = h->ae_algo->ops->get_link_diagnosis_info(h, &status_code); + if (ret) + return ret; + + for (i = 0; i < ARRAY_SIZE(hns3_link_ext_state_map); i++) { + map = &hns3_link_ext_state_map[i]; + if (map->status_code == status_code) { + info->link_ext_state = map->link_ext_state; + info->__link_ext_substate = map->link_ext_substate; + return 0; + } + } + + return -ENODATA; +} + static const struct ethtool_ops hns3vf_ethtool_ops = { .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, .get_drvinfo = hns3_get_drvinfo, @@ -1782,6 +1847,7 @@ static const struct ethtool_ops hns3_ethtool_ops = { .get_tunable = hns3_get_tunable, .set_tunable = hns3_set_tunable, .reset = hns3_set_reset, + .get_link_ext_state = hns3_get_link_ext_state, }; void hns3_ethtool_set_ops(struct net_device *netdev) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.h b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.h index 2f186607c6e0..822d6fcbc73b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.h @@ -22,4 +22,10 @@ struct hns3_pflag_desc { void (*handler)(struct net_device *netdev, bool enable); }; +struct hns3_ethtool_link_ext_state_mapping { + u32 status_code; + enum ethtool_link_ext_state link_ext_state; + u8 link_ext_substate; +}; + #endif diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index 18bde77ef944..8e5be127909b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -316,6 +316,9 @@ enum hclge_opcode_type { /* PHY command */ HCLGE_OPC_PHY_LINK_KSETTING = 0x7025, HCLGE_OPC_PHY_REG = 0x7026, + + /* Query link diagnosis info command */ + HCLGE_OPC_QUERY_LINK_DIAGNOSIS = 0x702A, }; #define HCLGE_TQP_REG_OFFSET 0x80000 diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 9fd15287986f..8779a63d51b3 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -12843,6 +12843,29 @@ static int hclge_get_module_eeprom(struct hnae3_handle *handle, u32 offset, return 0; } +static int hclge_get_link_diagnosis_info(struct hnae3_handle *handle, + u32 *status_code) +{ + struct hclge_vport *vport = hclge_get_vport(handle); + struct hclge_dev *hdev = vport->back; + struct hclge_desc desc; + int ret; + + if (hdev->ae_dev->dev_version <= HNAE3_DEVICE_VERSION_V2) + return -EOPNOTSUPP; + + hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_LINK_DIAGNOSIS, true); + ret = hclge_cmd_send(&hdev->hw, &desc, 1); + if (ret) { + dev_err(&hdev->pdev->dev, + "failed to query link diagnosis info, ret = %d\n", ret); + return ret; + } + + *status_code = le32_to_cpu(desc.data[0]); + return 0; +} + static const struct hnae3_ae_ops hclge_ops = { .init_ae_dev = hclge_init_ae_dev, .uninit_ae_dev = hclge_uninit_ae_dev, @@ -12943,6 +12966,7 @@ static const struct hnae3_ae_ops hclge_ops = { .set_tx_hwts_info = hclge_ptp_set_tx_info, .get_rx_hwts = hclge_ptp_get_rx_hwts, .get_ts_info = hclge_ptp_get_ts_info, + .get_link_diagnosis_info = hclge_get_link_diagnosis_info, }; static struct hnae3_ae_algo ae_algo = {