[dpdk-dev] [PATCH v2 12/16] net/axgbe: add link status update

[Ravi Kumar]

Signed-off-by: Ravi Kumar <Ravi1.kumar at amd.com>
---
 doc/guides/nics/features/axgbe.ini |  1 +
 drivers/net/axgbe/axgbe_ethdev.c   | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/doc/guides/nics/features/axgbe.ini b/doc/guides/nics/features/axgbe.ini
index f644128..2dbff18 100644
--- a/doc/guides/nics/features/axgbe.ini
+++ b/doc/guides/nics/features/axgbe.ini
@@ -5,6 +5,7 @@
 ;
 [Features]
 Speed capabilities   = Y
+Link status          = Y
 Jumbo frame          = Y
 RSS hash             = Y
 CRC offload          = Y
diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c
index ae78e09..ebae6cc 100644
--- a/drivers/net/axgbe/axgbe_ethdev.c
+++ b/drivers/net/axgbe/axgbe_ethdev.c
@@ -137,6 +137,8 @@ static int  axgbe_dev_start(struct rte_eth_dev *dev);
 static void axgbe_dev_stop(struct rte_eth_dev *dev);
 static void axgbe_dev_interrupt_handler(void *param);
 static void axgbe_dev_close(struct rte_eth_dev *dev);
+static int axgbe_dev_link_update(struct rte_eth_dev *dev,
+				 int wait_to_complete);
 static void axgbe_dev_info_get(struct rte_eth_dev *dev,
 			       struct rte_eth_dev_info *dev_info);
 
@@ -193,6 +195,7 @@ static const struct eth_dev_ops axgbe_eth_dev_ops = {
 	.dev_start            = axgbe_dev_start,
 	.dev_stop             = axgbe_dev_stop,
 	.dev_close            = axgbe_dev_close,
+	.link_update          = axgbe_dev_link_update,
 	.dev_infos_get        = axgbe_dev_info_get,
 	.rx_queue_setup       = axgbe_dev_rx_queue_setup,
 	.rx_queue_release     = axgbe_dev_rx_queue_release,
@@ -338,6 +341,36 @@ axgbe_dev_close(struct rte_eth_dev *dev)
 	axgbe_dev_clear_queues(dev);
 }
 
+/* return 0 means link status changed, -1 means not changed */
+static int
+axgbe_dev_link_update(struct rte_eth_dev *dev,
+		      int wait_to_complete __rte_unused)
+{
+	PMD_INIT_FUNC_TRACE();
+	rte_delay_ms(800);
+
+	struct axgbe_port *pdata = dev->data->dev_private;
+	int old_link_status = dev->data->dev_link.link_status;
+
+	pdata->phy_if.phy_status(pdata);
+
+	dev->data->dev_link.link_speed = pdata->phy_speed;
+	switch (pdata->phy.duplex) {
+	case DUPLEX_FULL:
+		dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
+		break;
+	case DUPLEX_HALF:
+		dev->data->dev_link.link_duplex = ETH_LINK_HALF_DUPLEX;
+		break;
+	}
+	dev->data->dev_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
+					     ETH_LINK_SPEED_FIXED);
+	dev->data->dev_link.link_status = pdata->phy_link;
+
+	return old_link_status == dev->data->dev_link.link_status ? -1 : 0;
+}
+
+
 static void
 axgbe_dev_info_get(struct rte_eth_dev *dev,
 		   struct rte_eth_dev_info *dev_info)
-- 
2.7.4