From patchwork Sat May 27 08:17:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenzhuo Lu X-Patchwork-Id: 24726 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 600185A3E; Sat, 27 May 2017 10:17:49 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 4095F2BA2 for ; Sat, 27 May 2017 10:17:34 +0200 (CEST) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 May 2017 01:17:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,400,1491289200"; d="scan'208";a="92489190" Received: from dpdk26.sh.intel.com ([10.239.128.228]) by orsmga002.jf.intel.com with ESMTP; 27 May 2017 01:17:32 -0700 From: Wenzhuo Lu To: dev@dpdk.org Cc: jingjing.wu@intel.com, cristian.dumitrescu@intel.com, jasvinder.singh@intel.com, Wenzhuo Lu Date: Sat, 27 May 2017 16:17:41 +0800 Message-Id: <1495873075-49542-7-git-send-email-wenzhuo.lu@intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1495873075-49542-1-git-send-email-wenzhuo.lu@intel.com> References: <1495873075-49542-1-git-send-email-wenzhuo.lu@intel.com> Subject: [dpdk-dev] [PATCH 06/20] net/i40e: support deleting TM node X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 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" Add the support of the Traffic Management API, rte_tm_node_delete. Signed-off-by: Wenzhuo Lu --- drivers/net/i40e/i40e_tm.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/drivers/net/i40e/i40e_tm.c b/drivers/net/i40e/i40e_tm.c index 6ebce77..20172d5 100644 --- a/drivers/net/i40e/i40e_tm.c +++ b/drivers/net/i40e/i40e_tm.c @@ -50,12 +50,15 @@ static int i40e_node_add(struct rte_eth_dev *dev, uint32_t node_id, uint32_t parent_node_id, uint32_t priority, uint32_t weight, struct rte_tm_node_params *params, struct rte_tm_error *error); +static int i40e_node_delete(struct rte_eth_dev *dev, uint32_t node_id, + struct rte_tm_error *error); const struct rte_tm_ops i40e_tm_ops = { .capabilities_get = i40e_tm_capabilities_get, .shaper_profile_add = i40e_shaper_profile_add, .shaper_profile_delete = i40e_shaper_profile_del, .node_add = i40e_node_add, + .node_delete = i40e_node_delete, }; int @@ -495,3 +498,54 @@ static int i40e_node_add(struct rte_eth_dev *dev, uint32_t node_id, return 0; } + +static int +i40e_node_delete(struct rte_eth_dev *dev, uint32_t node_id, + struct rte_tm_error *error) +{ + struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); + enum i40e_tm_node_type node_type; + struct i40e_tm_node *tm_node; + + if (!error) + return -EINVAL; + + if (node_id == RTE_TM_NODE_ID_NULL) { + error->type = RTE_TM_ERROR_TYPE_NODE_ID; + error->message = "invalid node id"; + return -EINVAL; + } + + /* check if the node id exists */ + tm_node = i40e_tm_node_search(dev, node_id, &node_type); + if (!tm_node) { + error->type = RTE_TM_ERROR_TYPE_NODE_ID; + error->message = "no such node"; + return -EINVAL; + } + + /* the node should have no child */ + if (tm_node->reference_count) { + error->type = RTE_TM_ERROR_TYPE_NODE_ID; + error->message = + "cannot delete a node which has children"; + return -EINVAL; + } + + /* root node */ + if (node_type == I40E_TM_NODE_TYPE_PORT) { + tm_node->shaper_profile->reference_count--; + rte_free(tm_node); + pf->tm_conf.root = NULL; + return 0; + } + + /* TC node */ + tm_node->shaper_profile->reference_count--; + tm_node->parent->reference_count--; + TAILQ_REMOVE(&pf->tm_conf.tc_list, tm_node, node); + rte_free(tm_node); + pf->tm_conf.nb_tc_node--; + + return 0; +}