From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wenzhuo Lu Subject: [PATCH v3 16/20] net/ixgbe: support deleting TM node Date: Thu, 29 Jun 2017 12:23:53 +0800 Message-ID: <1498710237-80285-17-git-send-email-wenzhuo.lu@intel.com> References: <1495873075-49542-1-git-send-email-wenzhuo.lu@intel.com> <1498710237-80285-1-git-send-email-wenzhuo.lu@intel.com> Cc: cristian.dumitrescu@intel.com, jasvinder.singh@intel.com, Wenzhuo Lu To: dev@dpdk.org Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 78DB47CA9 for ; Thu, 29 Jun 2017 06:23:42 +0200 (CEST) In-Reply-To: <1498710237-80285-1-git-send-email-wenzhuo.lu@intel.com> 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/ixgbe/ixgbe_tm.c | 67 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) diff --git a/drivers/net/ixgbe/ixgbe_tm.c b/drivers/net/ixgbe/ixgbe_tm.c index bec9015..ee0f639 100644 --- a/drivers/net/ixgbe/ixgbe_tm.c +++ b/drivers/net/ixgbe/ixgbe_tm.c @@ -50,12 +50,15 @@ static int ixgbe_node_add(struct rte_eth_dev *dev, uint32_t node_id, uint32_t weight, uint32_t level_id, struct rte_tm_node_params *params, struct rte_tm_error *error); +static int ixgbe_node_delete(struct rte_eth_dev *dev, uint32_t node_id, + struct rte_tm_error *error); const struct rte_tm_ops ixgbe_tm_ops = { .capabilities_get = ixgbe_tm_capabilities_get, .shaper_profile_add = ixgbe_shaper_profile_add, .shaper_profile_delete = ixgbe_shaper_profile_del, .node_add = ixgbe_node_add, + .node_delete = ixgbe_node_delete, }; int @@ -733,3 +736,67 @@ static int ixgbe_node_add(struct rte_eth_dev *dev, uint32_t node_id, return 0; } + +static int +ixgbe_node_delete(struct rte_eth_dev *dev, uint32_t node_id, + struct rte_tm_error *error) +{ + struct ixgbe_tm_conf *tm_conf = + IXGBE_DEV_PRIVATE_TO_TM_CONF(dev->data->dev_private); + enum ixgbe_tm_node_type node_type = IXGBE_TM_NODE_TYPE_MAX; + struct ixgbe_tm_node *tm_node; + + if (!error) + return -EINVAL; + + /* if already committed */ + if (tm_conf->committed) { + error->type = RTE_TM_ERROR_TYPE_UNSPECIFIED; + error->message = "already committed"; + 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 the if the node id exists */ + tm_node = ixgbe_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 == IXGBE_TM_NODE_TYPE_PORT) { + tm_node->shaper_profile->reference_count--; + rte_free(tm_node); + tm_conf->root = NULL; + return 0; + } + + /* TC or queue node */ + tm_node->shaper_profile->reference_count--; + tm_node->parent->reference_count--; + if (node_type == IXGBE_TM_NODE_TYPE_TC) { + TAILQ_REMOVE(&tm_conf->tc_list, tm_node, node); + tm_conf->nb_tc_node--; + } else { + TAILQ_REMOVE(&tm_conf->queue_list, tm_node, node); + tm_conf->nb_queue_node--; + } + rte_free(tm_node); + + return 0; +} -- 1.9.3