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GET /api/patches/64477/?format=api
{ "id": 64477, "url": "http://patches.dpdk.org/api/patches/64477/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20200113023949.26718-14-xiaolong.ye@intel.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20200113023949.26718-14-xiaolong.ye@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20200113023949.26718-14-xiaolong.ye@intel.com", "date": "2020-01-13T02:39:25", "name": "[v4,13/36] net/i40e/base: read LPI status from external PHY", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "0b3a0ca79c0e19bdfb324d2a50a6671b59e9d7a1", "submitter": { "id": 1120, "url": "http://patches.dpdk.org/api/people/1120/?format=api", "name": "Xiaolong Ye", "email": "xiaolong.ye@intel.com" }, "delegate": { "id": 31221, "url": "http://patches.dpdk.org/api/users/31221/?format=api", "username": "yexl", "first_name": "xiaolong", "last_name": "ye", "email": "xiaolong.ye@intel.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20200113023949.26718-14-xiaolong.ye@intel.com/mbox/", "series": [ { "id": 8064, "url": "http://patches.dpdk.org/api/series/8064/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=8064", "date": "2020-01-13T02:39:12", "name": "update for i40e base code", "version": 4, "mbox": "http://patches.dpdk.org/series/8064/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/64477/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/64477/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 00A39A04F0;\n\tMon, 13 Jan 2020 03:49:06 +0100 (CET)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 117191D5D9;\n\tMon, 13 Jan 2020 03:47:38 +0100 (CET)", "from mga01.intel.com (mga01.intel.com [192.55.52.88])\n by dpdk.org (Postfix) with ESMTP id BB7A21D590\n for <dev@dpdk.org>; Mon, 13 Jan 2020 03:47:18 +0100 (CET)", "from fmsmga003.fm.intel.com ([10.253.24.29])\n by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n 12 Jan 2020 18:47:18 -0800", "from dpdk_yexl_af_xdp.sh.intel.com ([10.67.119.206])\n by FMSMGA003.fm.intel.com with ESMTP; 12 Jan 2020 18:47:17 -0800" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.69,427,1571727600\"; d=\"scan'208\";a=\"272916347\"", "From": "Xiaolong Ye <xiaolong.ye@intel.com>", "To": "Beilei Xing <beilei.xing@intel.com>,\n\tQi Zhang <qi.z.zhang@intel.com>", "Cc": "dev@dpdk.org, Xiaolong Ye <xiaolong.ye@intel.com>,\n Krzysztof Galazka <krzysztof.galazka@intel.com>,\n Piotr Pietruszewski <piotr.pietruszewski@intel.com>", "Date": "Mon, 13 Jan 2020 10:39:25 +0800", "Message-Id": "<20200113023949.26718-14-xiaolong.ye@intel.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20200113023949.26718-1-xiaolong.ye@intel.com>", "References": "<20191202074935.97629-1-xiaolong.ye@intel.com>\n <20200113023949.26718-1-xiaolong.ye@intel.com>", "Subject": "[dpdk-dev] [PATCH v4 13/36] net/i40e/base: read LPI status from\n\texternal PHY", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "When external PHY is used, MAC register may not reflect actual\nstate of LPI. Add function reading it directly from PHY or MAC,\ndepending on what is supported by the device.\n\nSigned-off-by: Krzysztof Galazka <krzysztof.galazka@intel.com>\nSigned-off-by: Piotr Pietruszewski <piotr.pietruszewski@intel.com>\nSigned-off-by: Xiaolong Ye <xiaolong.ye@intel.com>\n---\n drivers/net/i40e/base/i40e_common.c | 45 ++++++++++++++++++++++++++\n drivers/net/i40e/base/i40e_prototype.h | 2 ++\n drivers/net/i40e/base/i40e_type.h | 6 ++++\n 3 files changed, 53 insertions(+)", "diff": "diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c\nindex c2e7cf7d5..f256651d7 100644\n--- a/drivers/net/i40e/base/i40e_common.c\n+++ b/drivers/net/i40e/base/i40e_common.c\n@@ -6982,6 +6982,51 @@ enum i40e_status_code i40e_led_set_phy(struct i40e_hw *hw, bool on,\n \treturn status;\n }\n #endif /* PF_DRIVER */\n+/**\n+ * i40e_get_phy_lpi_status - read LPI status from PHY or MAC register\n+ * @hw: pointer to the hw struct\n+ * @stat: pointer to structure with status of rx and tx lpi\n+ *\n+ * Read LPI state directly from external PHY register or from MAC\n+ * register, depending on device ID and current link speed.\n+ */\n+enum i40e_status_code i40e_get_phy_lpi_status(struct i40e_hw *hw,\n+\t\t\t\t\t struct i40e_hw_port_stats *stat)\n+{\n+\tenum i40e_status_code ret = I40E_SUCCESS;\n+\tu32 val;\n+\n+\tstat->rx_lpi_status = 0;\n+\tstat->tx_lpi_status = 0;\n+\n+\tif (hw->device_id == I40E_DEV_ID_10G_BASE_T_BC &&\n+\t (hw->phy.link_info.link_speed == I40E_LINK_SPEED_2_5GB ||\n+\t hw->phy.link_info.link_speed == I40E_LINK_SPEED_5GB)) {\n+\t\tret = i40e_aq_get_phy_register(hw,\n+\t\t\t\t\t I40E_AQ_PHY_REG_ACCESS_EXTERNAL,\n+\t\t\t\t\t I40E_BCM_PHY_PCS_STATUS1_PAGE,\n+\t\t\t\t\t true,\n+\t\t\t\t\t I40E_BCM_PHY_PCS_STATUS1_REG,\n+\t\t\t\t\t &val, NULL);\n+\n+\t\tif (ret != I40E_SUCCESS)\n+\t\t\treturn ret;\n+\n+\t\tstat->rx_lpi_status = !!(val & I40E_BCM_PHY_PCS_STATUS1_RX_LPI);\n+\t\tstat->tx_lpi_status = !!(val & I40E_BCM_PHY_PCS_STATUS1_TX_LPI);\n+\n+\t\treturn ret;\n+\t}\n+\n+\tval = rd32(hw, I40E_PRTPM_EEE_STAT);\n+\tstat->rx_lpi_status = (val & I40E_PRTPM_EEE_STAT_RX_LPI_STATUS_MASK) >>\n+\t\t\t I40E_PRTPM_EEE_STAT_RX_LPI_STATUS_SHIFT;\n+\tstat->tx_lpi_status = (val & I40E_PRTPM_EEE_STAT_TX_LPI_STATUS_MASK) >>\n+\t\t\t I40E_PRTPM_EEE_STAT_TX_LPI_STATUS_SHIFT;\n+\n+\treturn ret;\n+}\n+\n \n /**\n * i40e_aq_rx_ctl_read_register - use FW to read from an Rx control register\ndiff --git a/drivers/net/i40e/base/i40e_prototype.h b/drivers/net/i40e/base/i40e_prototype.h\nindex 38beb270b..c6c45eb5a 100644\n--- a/drivers/net/i40e/base/i40e_prototype.h\n+++ b/drivers/net/i40e/base/i40e_prototype.h\n@@ -74,6 +74,8 @@ enum i40e_status_code i40e_led_get_phy(struct i40e_hw *hw, u16 *led_addr,\n enum i40e_status_code i40e_blink_phy_link_led(struct i40e_hw *hw,\n \t\t\t\t\t u32 time, u32 interval);\n \n+enum i40e_status_code i40e_get_phy_lpi_status(struct i40e_hw *hw,\n+\t\t\t\t\t struct i40e_hw_port_stats *stats);\n /* admin send queue commands */\n \n enum i40e_status_code i40e_aq_get_firmware_version(struct i40e_hw *hw,\ndiff --git a/drivers/net/i40e/base/i40e_type.h b/drivers/net/i40e/base/i40e_type.h\nindex 322300fa3..8d257e00a 100644\n--- a/drivers/net/i40e/base/i40e_type.h\n+++ b/drivers/net/i40e/base/i40e_type.h\n@@ -2038,4 +2038,10 @@ struct i40e_profile_info {\n \tu8 reserved[7];\n \tu8 name[I40E_DDP_NAME_SIZE];\n };\n+\n+#define I40E_BCM_PHY_PCS_STATUS1_PAGE\t0x3\n+#define I40E_BCM_PHY_PCS_STATUS1_REG\t0x0001\n+#define I40E_BCM_PHY_PCS_STATUS1_RX_LPI\tBIT(8)\n+#define I40E_BCM_PHY_PCS_STATUS1_TX_LPI\tBIT(9)\n+\n #endif /* _I40E_TYPE_H_ */\n", "prefixes": [ "v4", "13/36" ] }