From patchwork Fri Aug 27 08:17:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Wang X-Patchwork-Id: 97458 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id E2159A0C41; Fri, 27 Aug 2021 10:18:01 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 7C7B1411D3; Fri, 27 Aug 2021 10:17:59 +0200 (CEST) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by mails.dpdk.org (Postfix) with ESMTP id 52B7141134 for ; Fri, 27 Aug 2021 10:17:57 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10088"; a="281638203" X-IronPort-AV: E=Sophos;i="5.84,356,1620716400"; d="scan'208";a="281638203" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2021 01:17:56 -0700 X-IronPort-AV: E=Sophos;i="5.84,356,1620716400"; d="scan'208";a="528232388" Received: from dpdk.cd.intel.com ([10.240.178.133]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2021 01:17:54 -0700 From: Jie Wang To: dev@dpdk.org Cc: xiaoyun.li@intel.com, andrew.rybchenko@oktetlabs.ru, thomas@monjalon.net, ferruh.yigit@intel.com, Jie Wang Date: Fri, 27 Aug 2021 16:17:39 +0800 Message-Id: <20210827081740.365037-2-jie1x.wang@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210827081740.365037-1-jie1x.wang@intel.com> References: <20210826070924.308368-1-jie1x.wang@intel.com> <20210827081740.365037-1-jie1x.wang@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v8 1/2] ethdev: add an API to get device configuration info X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch adds a new API "rte_eth_dev_conf_info_get()" to help users get device configuration info. Signed-off-by: Jie Wang --- lib/ethdev/rte_ethdev.c | 28 ++++++++++++++++++++++++++++ lib/ethdev/rte_ethdev.h | 21 +++++++++++++++++++++ lib/ethdev/version.map | 3 +++ 3 files changed, 52 insertions(+) diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c index 9d95cd11e1..bbe24af662 100644 --- a/lib/ethdev/rte_ethdev.c +++ b/lib/ethdev/rte_ethdev.c @@ -3458,6 +3458,34 @@ rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info) return 0; } +int +rte_eth_dev_conf_info_get(uint16_t port_id, + struct rte_eth_conf *dev_conf_info) +{ + struct rte_eth_dev *dev; + + RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); + dev = &rte_eth_devices[port_id]; + + if (dev_conf_info == NULL) { + RTE_ETHDEV_LOG(ERR, "Cannot get ethdev port %u configuration info to NULL\n", + port_id); + return -EINVAL; + } + + /* + * Init dev_conf_info before port_id check since caller does not have + * return status and does not know if get is successful or not. + */ + memset(dev_conf_info, 0, sizeof(struct rte_eth_conf)); + + /* copy dev->data->dev_conf to dev_conf_info */ + memcpy(dev_conf_info, &dev->data->dev_conf, + sizeof(struct rte_eth_conf)); + + return 0; +} + int rte_eth_dev_get_supported_ptypes(uint16_t port_id, uint32_t ptype_mask, uint32_t *ptypes, int num) diff --git a/lib/ethdev/rte_ethdev.h b/lib/ethdev/rte_ethdev.h index d2b27c351f..3c5b02a133 100644 --- a/lib/ethdev/rte_ethdev.h +++ b/lib/ethdev/rte_ethdev.h @@ -3058,6 +3058,27 @@ int rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr); */ int rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info); +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice. + * + * Retrieve the contextual information of an Ethernet device. + * + * @param port_id + * The port identifier of the Ethernet device. + * @param dev_conf_info + * A pointer to a structure of type *rte_eth_dev* to be filled with + * the contextual information of the Ethernet device. + * @return + * - (0) if successful. + * - (-ENOTSUP) if support for dev_infos_get() does not exist for the device. + * - (-ENODEV) if *port_id* invalid. + * - (-EINVAL) if bad parameter. + */ +__rte_experimental +int rte_eth_dev_conf_info_get(uint16_t port_id, + struct rte_eth_conf *dev_conf_info); + /** * Retrieve the firmware version of a device. * diff --git a/lib/ethdev/version.map b/lib/ethdev/version.map index 44d30b05ae..40539f99f9 100644 --- a/lib/ethdev/version.map +++ b/lib/ethdev/version.map @@ -249,6 +249,9 @@ EXPERIMENTAL { rte_mtr_meter_policy_delete; rte_mtr_meter_policy_update; rte_mtr_meter_policy_validate; + + # added in 21.11 + rte_eth_dev_conf_info_get; }; INTERNAL {