From cb2ffec5953853bfd941240d014623ed1d48fadd Mon Sep 17 00:00:00 2001 From: Wenzhuo Lu Date: Thu, 29 Jun 2017 12:23:56 +0800 Subject: [PATCH] net/ixgbe: support getting TM node capability Add the support of the Traffic Management API, rte_tm_node_capabilities_get. Signed-off-by: Wenzhuo Lu --- drivers/net/ixgbe/ixgbe_tm.c | 61 ++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/drivers/net/ixgbe/ixgbe_tm.c b/drivers/net/ixgbe/ixgbe_tm.c index 8f89baa733..3a6369d309 100644 --- a/drivers/net/ixgbe/ixgbe_tm.c +++ b/drivers/net/ixgbe/ixgbe_tm.c @@ -58,6 +58,10 @@ static int ixgbe_level_capabilities_get(struct rte_eth_dev *dev, uint32_t level_id, struct rte_tm_level_capabilities *cap, struct rte_tm_error *error); +static int ixgbe_node_capabilities_get(struct rte_eth_dev *dev, + uint32_t node_id, + struct rte_tm_node_capabilities *cap, + struct rte_tm_error *error); const struct rte_tm_ops ixgbe_tm_ops = { .capabilities_get = ixgbe_tm_capabilities_get, @@ -67,6 +71,7 @@ const struct rte_tm_ops ixgbe_tm_ops = { .node_delete = ixgbe_node_delete, .node_type_get = ixgbe_node_type_get, .level_capabilities_get = ixgbe_level_capabilities_get, + .node_capabilities_get = ixgbe_node_capabilities_get, }; int @@ -913,3 +918,59 @@ ixgbe_level_capabilities_get(struct rte_eth_dev *dev, return 0; } + +static int +ixgbe_node_capabilities_get(struct rte_eth_dev *dev, + uint32_t node_id, + struct rte_tm_node_capabilities *cap, + struct rte_tm_error *error) +{ + struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); + enum ixgbe_tm_node_type node_type = IXGBE_TM_NODE_TYPE_MAX; + struct ixgbe_tm_node *tm_node; + + if (!cap || !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 = 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; + } + + cap->shaper_private_supported = true; + cap->shaper_private_dual_rate_supported = false; + cap->shaper_private_rate_min = 0; + /* 10Gbps -> 1.25GBps */ + cap->shaper_private_rate_max = 1250000000ull; + cap->shaper_shared_n_max = 0; + + if (node_type == IXGBE_TM_NODE_TYPE_QUEUE) { + cap->leaf.cman_head_drop_supported = false; + cap->leaf.cman_wred_context_private_supported = true; + cap->leaf.cman_wred_context_shared_n_max = 0; + } else { + if (node_type == IXGBE_TM_NODE_TYPE_PORT) + cap->nonleaf.sched_n_children_max = + IXGBE_DCB_MAX_TRAFFIC_CLASS; + else + cap->nonleaf.sched_n_children_max = + hw->mac.max_tx_queues; + cap->nonleaf.sched_sp_n_priorities_max = 1; + cap->nonleaf.sched_wfq_n_children_per_group_max = 0; + cap->nonleaf.sched_wfq_n_groups_max = 0; + cap->nonleaf.sched_wfq_weight_max = 1; + } + + cap->stats_mask = 0; + + return 0; +} -- 2.20.1