From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3BD9FA0548 for ; Sun, 26 Sep 2021 11:21:49 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4D3B0410DD; Sun, 26 Sep 2021 11:21:48 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by mails.dpdk.org (Postfix) with ESMTP id 9759340E6E; Sun, 26 Sep 2021 11:21:45 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10118"; a="224360702" X-IronPort-AV: E=Sophos;i="5.85,323,1624345200"; d="scan'208";a="224360702" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Sep 2021 02:21:44 -0700 X-IronPort-AV: E=Sophos;i="5.85,323,1624345200"; d="scan'208";a="560509644" Received: from dpdk.cd.intel.com ([10.240.178.133]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Sep 2021 02:21:42 -0700 From: Jie Wang To: dev@dpdk.org Cc: ferruh.yigit@intel.com, thomas@monjalon.net, andrew.rybchenko@oktetlabs.ru, xiaoyun.li@intel.com, stevex.yang@intel.com, Jie Wang , stable@dpdk.org Date: Sun, 26 Sep 2021 17:20:53 +0800 Message-Id: <20210926092055.495322-2-jie1x.wang@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210926092055.495322-1-jie1x.wang@intel.com> References: <20210827081740.365037-1-jie1x.wang@intel.com> <20210926092055.495322-1-jie1x.wang@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-stable] [PATCH v9 1/3] ethdev: add an API to get device configuration info X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" This patch adds a new API "rte_eth_dev_conf_info_get()" to help users get device configuration info. Cc: stable@dpdk.org Signed-off-by: Jie Wang --- lib/ethdev/rte_ethdev.c | 23 +++++++++++++++++++++++ lib/ethdev/rte_ethdev.h | 21 +++++++++++++++++++++ lib/ethdev/version.map | 3 +++ 3 files changed, 47 insertions(+) diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c index daf5ca9242..a0f521323a 100644 --- a/lib/ethdev/rte_ethdev.c +++ b/lib/ethdev/rte_ethdev.c @@ -3457,6 +3457,29 @@ 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; + } + + /* 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 1da37896d8..c21ee6a1fe 100644 --- a/lib/ethdev/rte_ethdev.h +++ b/lib/ethdev/rte_ethdev.h @@ -3068,6 +3068,27 @@ 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 configuration 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_conf* to be filled with + * the configuration of the Ethernet device. + * And the memory of the structure should be allocated by the caller. + * @return + * - (0) if successful. + * - (-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 904bce6ea1..4b0a1f0fae 100644 --- a/lib/ethdev/version.map +++ b/lib/ethdev/version.map @@ -247,6 +247,9 @@ 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 { -- 2.25.1