[PATCH 5.10 049/103] ionic: start queues before announcing link up

Greg Kroah-Hartman
2021-01-15T12:38:24Z

From: Shannon Nelson <snelson@pensando.io>

commit 8f56bc4dc1011be6e2a53198b615fdc588b4ef6a upstream.

Change the order of operations in the link_up handling to be
sure that the queues are up and ready before we announce that
the link is up.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/net/ethernet/pensando/ionic/ionic_lif.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -123,6 +123,12 @@ static void ionic_link_status_check(stru
link_up = link_status == IONIC_PORT_OPER_STATUS_UP;

if (link_up) {
+ if (lif->netdev->flags & IFF_UP && netif_running(lif->netdev)) {
+ mutex_lock(&lif->queue_lock);
+ ionic_start_queues(lif);
+ mutex_unlock(&lif->queue_lock);
+ }
+
if (!netif_carrier_ok(netdev)) {
u32 link_speed;

@@ -132,12 +138,6 @@ static void ionic_link_status_check(stru
link_speed / 1000);
netif_carrier_on(netdev);
}
-
- if (lif->netdev->flags & IFF_UP && netif_running(lif->netdev)) {
- mutex_lock(&lif->queue_lock);
- ionic_start_queues(lif);
- mutex_unlock(&lif->queue_lock);
- }
} else {
if (netif_carrier_ok(netdev)) {
netdev_info(netdev, "Link down\n");