From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <wenzhuo.lu@intel.com>
Received: from mga05.intel.com (mga05.intel.com [192.55.52.43])
by dpdk.org (Postfix) with ESMTP id E21CB4CC5
for <dev@dpdk.org>; Thu, 29 Jun 2017 06:23:37 +0200 (CEST)
Received: from orsmga001.jf.intel.com ([10.7.209.18])
by fmsmga105.fm.intel.com with ESMTP; 28 Jun 2017 21:23:37 -0700
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.40,278,1496127600"; d="scan'208";a="1145901551"
Received: from dpdk26.sh.intel.com ([10.67.110.152])
by orsmga001.jf.intel.com with ESMTP; 28 Jun 2017 21:23:36 -0700
From: Wenzhuo Lu <wenzhuo.lu@intel.com>
To: dev@dpdk.org
Cc: cristian.dumitrescu@intel.com, jasvinder.singh@intel.com,
Wenzhuo Lu <wenzhuo.lu@intel.com>
Date: Thu, 29 Jun 2017 12:23:49 +0800
Message-Id: <1498710237-80285-13-git-send-email-wenzhuo.lu@intel.com>
X-Mailer: git-send-email 1.9.3
In-Reply-To: <1498710237-80285-1-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>
Subject: [dpdk-dev] [PATCH v3 12/20] net/ixgbe: support getting TM capability
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
<mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
<mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Thu, 29 Jun 2017 04:23:38 -0000
Add the support of the Traffic Management API,
rte_tm_capabilities_get.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
---
drivers/net/ixgbe/ixgbe_tm.c | 91 +++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 90 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ixgbe/ixgbe_tm.c b/drivers/net/ixgbe/ixgbe_tm.c
index 0a222a1..31be5b5 100644
--- a/drivers/net/ixgbe/ixgbe_tm.c
+++ b/drivers/net/ixgbe/ixgbe_tm.c
@@ -33,8 +33,12 @@
#include "ixgbe_ethdev.h"
+static int ixgbe_tm_capabilities_get(struct rte_eth_dev *dev,
+ struct rte_tm_capabilities *cap,
+ struct rte_tm_error *error);
+
const struct rte_tm_ops ixgbe_tm_ops = {
- NULL,
+ .capabilities_get = ixgbe_tm_capabilities_get,
};
int
@@ -48,3 +52,88 @@
return 0;
}
+
+static inline uint8_t
+ixgbe_tc_nb_get(struct rte_eth_dev *dev)
+{
+ struct rte_eth_conf *eth_conf;
+ uint8_t nb_tcs = 0;
+
+ eth_conf = &dev->data->dev_conf;
+ if (eth_conf->txmode.mq_mode == ETH_MQ_TX_DCB) {
+ nb_tcs = eth_conf->tx_adv_conf.dcb_tx_conf.nb_tcs;
+ } else if (eth_conf->txmode.mq_mode == ETH_MQ_TX_VMDQ_DCB) {
+ if (eth_conf->tx_adv_conf.vmdq_dcb_tx_conf.nb_queue_pools ==
+ ETH_32_POOLS)
+ nb_tcs = ETH_4_TCS;
+ else
+ nb_tcs = ETH_8_TCS;
+ } else {
+ nb_tcs = 1;
+ }
+
+ return nb_tcs;
+}
+
+static int
+ixgbe_tm_capabilities_get(struct rte_eth_dev *dev,
+ struct rte_tm_capabilities *cap,
+ struct rte_tm_error *error)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (!cap || !error)
+ return -EINVAL;
+
+ error->type = RTE_TM_ERROR_TYPE_NONE;
+
+ /* set all the parameters to 0 first. */
+ memset(cap, 0, sizeof(struct rte_tm_capabilities));
+
+ /**
+ * here is the max capability not the current configuration.
+ */
+ /* port + TCs + queues */
+ cap->n_nodes_max = 1 + IXGBE_DCB_MAX_TRAFFIC_CLASS +
+ hw->mac.max_tx_queues;
+ cap->n_levels_max = 3;
+ cap->non_leaf_nodes_identical = 1;
+ cap->leaf_nodes_identical = 1;
+ cap->shaper_n_max = cap->n_nodes_max;
+ cap->shaper_private_n_max = cap->n_nodes_max;
+ cap->shaper_private_dual_rate_n_max = 0;
+ cap->shaper_private_rate_min = 0;
+ /* 10Gbps -> 1.25GBps */
+ cap->shaper_private_rate_max = 1250000000ull;
+ cap->shaper_shared_n_max = 0;
+ cap->shaper_shared_n_nodes_per_shaper_max = 0;
+ cap->shaper_shared_n_shapers_per_node_max = 0;
+ cap->shaper_shared_dual_rate_n_max = 0;
+ cap->shaper_shared_rate_min = 0;
+ cap->shaper_shared_rate_max = 0;
+ cap->sched_n_children_max = hw->mac.max_tx_queues;
+ /**
+ * HW supports SP. But no plan to support it now.
+ * So, all the nodes should have the same priority.
+ */
+ cap->sched_sp_n_priorities_max = 1;
+ cap->sched_wfq_n_children_per_group_max = 0;
+ cap->sched_wfq_n_groups_max = 0;
+ /**
+ * SW only supports fair round robin now.
+ * So, all the nodes should have the same weight.
+ */
+ cap->sched_wfq_weight_max = 1;
+ cap->cman_head_drop_supported = 0;
+ cap->dynamic_update_mask = 0;
+ cap->shaper_pkt_length_adjust_min = RTE_TM_ETH_FRAMING_OVERHEAD;
+ cap->shaper_pkt_length_adjust_max = RTE_TM_ETH_FRAMING_OVERHEAD_FCS;
+ cap->cman_wred_context_n_max = 0;
+ cap->cman_wred_context_private_n_max = 0;
+ cap->cman_wred_context_shared_n_max = 0;
+ cap->cman_wred_context_shared_n_nodes_per_context_max = 0;
+ cap->cman_wred_context_shared_n_contexts_per_node_max = 0;
+ cap->stats_mask = 0;
+
+ return 0;
+}
--
1.9.3