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* [dpdk-stable] [PATCH 1/1] net/mlx4: update link status upon probing with lsc
@ 2017-03-03 15:39 Gaetan Rivet
  2017-03-17 10:40 ` Adrien Mazarguil
  0 siblings, 1 reply; 3+ messages in thread
From: Gaetan Rivet @ 2017-03-03 15:39 UTC (permalink / raw)
  To: dev; +Cc: Adrien Mazarguil, Nelio Laranjeiro, stable

If LSC interrupts are enabled, the application expects the link_update
ops to be executed by the PMD itself.

No link status change event is received upon probing, therefore the link
status update must be forced.

Fixes: c4da6caa426d ("mlx4: handle link status interrupts")
Cc: stable@dpdk.org

Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
---
 drivers/net/mlx4/mlx4.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index fc84464..35a680c 100644
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -5722,6 +5722,9 @@ mlx4_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 		/* Bring Ethernet device up. */
 		DEBUG("forcing Ethernet interface up");
 		priv_set_flags(priv, ~IFF_UP, IFF_UP);
+		/* Update link status once if waiting for LSC. */
+		if (eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
+			mlx4_link_update(eth_dev, 0);
 		continue;
 
 port_error:
-- 
2.1.4

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2017-03-20 14:16 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-03-03 15:39 [dpdk-stable] [PATCH 1/1] net/mlx4: update link status upon probing with lsc Gaetan Rivet
2017-03-17 10:40 ` Adrien Mazarguil
2017-03-20 14:16   ` Ferruh Yigit

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