From: Konstantin Ananyev <konstantin.ananyev@intel.com>
Date: Tue, 27 Oct 2015 12:51:44 +0000 (+0000)
Subject: i40e: get queue info and descriptor limits
X-Git-Tag: spdx-start~8216
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=338af1171c7749802fcb7702e05adc945e0aec3b;p=dpdk.git

i40e: get queue info and descriptor limits

Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Acked-by: Remy Horton <remy.horton@intel.com>
---

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 480dd579af..b8bbb5b399 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -316,6 +316,8 @@ static const struct eth_dev_ops i40e_eth_dev_ops = {
 	.udp_tunnel_add               = i40e_dev_udp_tunnel_add,
 	.udp_tunnel_del               = i40e_dev_udp_tunnel_del,
 	.filter_ctrl                  = i40e_dev_filter_ctrl,
+	.rxq_info_get                 = i40e_rxq_info_get,
+	.txq_info_get                 = i40e_txq_info_get,
 	.mirror_rule_set              = i40e_mirror_rule_set,
 	.mirror_rule_reset            = i40e_mirror_rule_reset,
 	.timesync_enable              = i40e_timesync_enable,
@@ -1769,6 +1771,18 @@ i40e_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 				ETH_TXQ_FLAGS_NOOFFLOADS,
 	};
 
+	dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
+		.nb_max = I40E_MAX_RING_DESC,
+		.nb_min = I40E_MIN_RING_DESC,
+		.nb_align = I40E_ALIGN_RING_DESC,
+	};
+
+	dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
+		.nb_max = I40E_MAX_RING_DESC,
+		.nb_min = I40E_MIN_RING_DESC,
+		.nb_align = I40E_ALIGN_RING_DESC,
+	};
+
 	if (pf->flags & I40E_FLAG_VMDQ) {
 		dev_info->max_vmdq_pools = pf->max_nb_vmdq_vsi;
 		dev_info->vmdq_queue_base = dev_info->max_rx_queues;
diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
index 0c9c78c946..062878b01f 100644
--- a/drivers/net/i40e/i40e_ethdev.h
+++ b/drivers/net/i40e/i40e_ethdev.h
@@ -539,6 +539,11 @@ int i40e_fdir_ctrl_func(struct rte_eth_dev *dev,
 			  enum rte_filter_op filter_op,
 			  void *arg);
 
+void i40e_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+	struct rte_eth_rxq_info *qinfo);
+void i40e_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+	struct rte_eth_txq_info *qinfo);
+
 /* I40E_DEV_PRIVATE_TO */
 #define I40E_DEV_PRIVATE_TO_PF(adapter) \
 	(&((struct i40e_adapter *)adapter)->pf)
diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index 48b904ee95..8142ff4b0a 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -1803,6 +1803,18 @@ i40evf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 		.txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
 				ETH_TXQ_FLAGS_NOOFFLOADS,
 	};
+
+	dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
+		.nb_max = I40E_MAX_RING_DESC,
+		.nb_min = I40E_MIN_RING_DESC,
+		.nb_align = I40E_ALIGN_RING_DESC,
+	};
+
+	dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
+		.nb_max = I40E_MAX_RING_DESC,
+		.nb_min = I40E_MIN_RING_DESC,
+		.nb_align = I40E_ALIGN_RING_DESC,
+	};
 }
 
 static void
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 58aec9f6c6..e45c8f32a4 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -3091,6 +3091,43 @@ i40e_fdir_setup_rx_resources(struct i40e_pf *pf)
 	return I40E_SUCCESS;
 }
 
+void
+i40e_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+	struct rte_eth_rxq_info *qinfo)
+{
+	struct i40e_rx_queue *rxq;
+
+	rxq = dev->data->rx_queues[queue_id];
+
+	qinfo->mp = rxq->mp;
+	qinfo->scattered_rx = dev->data->scattered_rx;
+	qinfo->nb_desc = rxq->nb_rx_desc;
+
+	qinfo->conf.rx_free_thresh = rxq->rx_free_thresh;
+	qinfo->conf.rx_drop_en = rxq->drop_en;
+	qinfo->conf.rx_deferred_start = rxq->rx_deferred_start;
+}
+
+void
+i40e_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+	struct rte_eth_txq_info *qinfo)
+{
+	struct i40e_tx_queue *txq;
+
+	txq = dev->data->tx_queues[queue_id];
+
+	qinfo->nb_desc = txq->nb_tx_desc;
+
+	qinfo->conf.tx_thresh.pthresh = txq->pthresh;
+	qinfo->conf.tx_thresh.hthresh = txq->hthresh;
+	qinfo->conf.tx_thresh.wthresh = txq->wthresh;
+
+	qinfo->conf.tx_free_thresh = txq->tx_free_thresh;
+	qinfo->conf.tx_rs_thresh = txq->tx_rs_thresh;
+	qinfo->conf.txq_flags = txq->txq_flags;
+	qinfo->conf.tx_deferred_start = txq->tx_deferred_start;
+}
+
 void __attribute__((cold))
 i40e_set_rx_function(struct rte_eth_dev *dev)
 {