From: Sunil Kumar Kori <skori@marvell.com>
Date: Wed, 23 Jun 2021 04:46:41 +0000 (+0530)
Subject: net/cnxk: support Rx interrupt
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=a7ce2f546f436ec2cfc55cd89004f492d7604b58;p=dpdk.git

net/cnxk: support Rx interrupt

Application may choose to enable/disable interrupts on Rx queues
so that application can select its processing if no packets are
available on queues for a longer period.

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
---

diff --git a/doc/guides/nics/cnxk.rst b/doc/guides/nics/cnxk.rst
index d9365ffc13..14b6cb9b5a 100644
--- a/doc/guides/nics/cnxk.rst
+++ b/doc/guides/nics/cnxk.rst
@@ -30,6 +30,7 @@ Features of the CNXK Ethdev PMD are:
 - MTU update
 - Scatter-Gather IO support
 - Vector Poll mode driver
+- Support Rx interrupt
 
 Prerequisites
 -------------
diff --git a/doc/guides/nics/features/cnxk.ini b/doc/guides/nics/features/cnxk.ini
index b1e86414bd..e5669f56b8 100644
--- a/doc/guides/nics/features/cnxk.ini
+++ b/doc/guides/nics/features/cnxk.ini
@@ -5,6 +5,7 @@
 ;
 [Features]
 Speed capabilities   = Y
+Rx interrupt         = Y
 Lock-free Tx queue   = Y
 SR-IOV               = Y
 Multiprocess aware   = Y
diff --git a/doc/guides/nics/features/cnxk_vec.ini b/doc/guides/nics/features/cnxk_vec.ini
index 0f99634467..dff0c9b761 100644
--- a/doc/guides/nics/features/cnxk_vec.ini
+++ b/doc/guides/nics/features/cnxk_vec.ini
@@ -5,6 +5,7 @@
 ;
 [Features]
 Speed capabilities   = Y
+Rx interrupt         = Y
 Lock-free Tx queue   = Y
 SR-IOV               = Y
 Multiprocess aware   = Y
diff --git a/doc/guides/nics/features/cnxk_vf.ini b/doc/guides/nics/features/cnxk_vf.ini
index cecced95d3..b950d2f429 100644
--- a/doc/guides/nics/features/cnxk_vf.ini
+++ b/doc/guides/nics/features/cnxk_vf.ini
@@ -5,6 +5,7 @@
 ;
 [Features]
 Speed capabilities   = Y
+Rx interrupt         = Y
 Lock-free Tx queue   = Y
 Multiprocess aware   = Y
 Link status          = Y
diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index 165c35477a..1ff3afa930 100644
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -1193,6 +1193,8 @@ struct eth_dev_ops cnxk_eth_dev_ops = {
 	.dev_set_link_down = cnxk_nix_set_link_down,
 	.get_module_info = cnxk_nix_get_module_info,
 	.get_module_eeprom = cnxk_nix_get_module_eeprom,
+	.rx_queue_intr_enable = cnxk_nix_rx_queue_intr_enable,
+	.rx_queue_intr_disable = cnxk_nix_rx_queue_intr_disable,
 };
 
 static int
diff --git a/drivers/net/cnxk/cnxk_ethdev.h b/drivers/net/cnxk/cnxk_ethdev.h
index 083af2924e..a01b72a5ac 100644
--- a/drivers/net/cnxk/cnxk_ethdev.h
+++ b/drivers/net/cnxk/cnxk_ethdev.h
@@ -257,6 +257,10 @@ int cnxk_nix_get_module_info(struct rte_eth_dev *eth_dev,
 			     struct rte_eth_dev_module_info *modinfo);
 int cnxk_nix_get_module_eeprom(struct rte_eth_dev *eth_dev,
 			       struct rte_dev_eeprom_info *info);
+int cnxk_nix_rx_queue_intr_enable(struct rte_eth_dev *eth_dev,
+				  uint16_t rx_queue_id);
+int cnxk_nix_rx_queue_intr_disable(struct rte_eth_dev *eth_dev,
+				   uint16_t rx_queue_id);
 
 int cnxk_nix_configure(struct rte_eth_dev *eth_dev);
 int cnxk_nix_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
diff --git a/drivers/net/cnxk/cnxk_ethdev_ops.c b/drivers/net/cnxk/cnxk_ethdev_ops.c
index 55b0411e6c..45683dd312 100644
--- a/drivers/net/cnxk/cnxk_ethdev_ops.c
+++ b/drivers/net/cnxk/cnxk_ethdev_ops.c
@@ -598,3 +598,22 @@ cnxk_nix_get_module_eeprom(struct rte_eth_dev *eth_dev,
 	rte_memcpy(info->data, eeprom_info.buf + info->offset, info->length);
 	return 0;
 }
+
+int
+cnxk_nix_rx_queue_intr_enable(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id)
+{
+	struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+
+	roc_nix_rx_queue_intr_enable(&dev->nix, rx_queue_id);
+	return 0;
+}
+
+int
+cnxk_nix_rx_queue_intr_disable(struct rte_eth_dev *eth_dev,
+			       uint16_t rx_queue_id)
+{
+	struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+
+	roc_nix_rx_queue_intr_disable(&dev->nix, rx_queue_id);
+	return 0;
+}