[dpdk-dev] [PATCH 2/3] net/bnx2x: fix link events polling for SRIOV

[Rasesh Mody <rmody@marvell.com>]

We do not need to schedule periodic poll for slowpath link events
for SRIOV. The link events are handled by the PF driver.

Fixes: 6041aa619f9a ("net/bnx2x: fix poll link status")
Cc: stable@dpdk.org

Signed-off-by: Rasesh Mody <rmody@marvell.com>
---
 drivers/net/bnx2x/bnx2x_ethdev.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/net/bnx2x/bnx2x_ethdev.c b/drivers/net/bnx2x/bnx2x_ethdev.c
index 10b4fdb8e..127811b92 100644
--- a/drivers/net/bnx2x/bnx2x_ethdev.c
+++ b/drivers/net/bnx2x/bnx2x_ethdev.c
@@ -218,9 +218,12 @@ bnx2x_dev_start(struct rte_eth_dev *dev)
 	PMD_INIT_FUNC_TRACE(sc);
 
 	/* start the periodic callout */
-	if (atomic_load_acq_long(&sc->periodic_flags) == PERIODIC_STOP) {
-		bnx2x_periodic_start(dev);
-		PMD_DRV_LOG(DEBUG, sc, "Periodic poll re-started");
+	if (IS_PF(sc)) {
+		if (atomic_load_acq_long(&sc->periodic_flags) ==
+		    PERIODIC_STOP) {
+			bnx2x_periodic_start(dev);
+			PMD_DRV_LOG(DEBUG, sc, "Periodic poll re-started");
+		}
 	}
 
 	ret = bnx2x_init(sc);
@@ -258,10 +261,10 @@ bnx2x_dev_stop(struct rte_eth_dev *dev)
 		rte_intr_disable(&sc->pci_dev->intr_handle);
 		rte_intr_callback_unregister(&sc->pci_dev->intr_handle,
 				bnx2x_interrupt_handler, (void *)dev);
-	}
 
-	/* stop the periodic callout */
-	bnx2x_periodic_stop(dev);
+		/* stop the periodic callout */
+		bnx2x_periodic_stop(dev);
+	}
 
 	ret = bnx2x_nic_unload(sc, UNLOAD_NORMAL, FALSE);
 	if (ret) {
@@ -680,7 +683,9 @@ bnx2x_common_dev_init(struct rte_eth_dev *eth_dev, int is_vf)
 	return 0;
 
 out:
-	bnx2x_periodic_stop(eth_dev);
+	if (IS_PF(sc))
+		bnx2x_periodic_stop(eth_dev);
+
 	return ret;
 }
 
-- 
2.18.0