[dpdk-dev] [RFC 14/14] enic: use _rte_eth_link_update

Stephen Hemminger stephen at networkplumber.org
Fri Jul 14 20:30:27 CEST 2017


This driver was not doing atomic update of link status information.
And the return value was different than others.

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
 drivers/net/enic/enic_ethdev.c |  5 ++---
 drivers/net/enic/enic_main.c   | 16 ++++++++--------
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/net/enic/enic_ethdev.c b/drivers/net/enic/enic_ethdev.c
index da8fec2d00ae..d2644ce608a5 100644
--- a/drivers/net/enic/enic_ethdev.c
+++ b/drivers/net/enic/enic_ethdev.c
@@ -418,10 +418,9 @@ static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
 
 	ENICPMD_FUNC_TRACE();
 	enic_disable(enic);
+
 	memset(&link, 0, sizeof(link));
-	rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,
-		*(uint64_t *)&eth_dev->data->dev_link,
-		*(uint64_t *)&link);
+	_rte_eth_link_update(eth_dev, &link);
 }
 
 /*
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index 40dbec7fa2d5..e629ee0b3a35 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -409,16 +409,16 @@ enic_free_consistent(void *priv,
 int enic_link_update(struct enic *enic)
 {
 	struct rte_eth_dev *eth_dev = enic->rte_dev;
-	int ret;
-	int link_status = 0;
+	struct rte_eth_link link;
+	int link_status = enic_get_link_status(enic);
 
-	link_status = enic_get_link_status(enic);
-	ret = (link_status == enic->link_status);
 	enic->link_status = link_status;
-	eth_dev->data->dev_link.link_status = link_status;
-	eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
-	eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
-	return ret;
+	memset(&link, 0, sizeof(link));
+	link.link_status = link_status;
+	link.link_duplex = ETH_LINK_FULL_DUPLEX;
+	link.link_speed = vnic_dev_port_speed(enic->vdev);
+
+	return _rte_eth_link_update(eth_dev, &link);
 }
 
 static void
-- 
2.11.0



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