netdev - [PATCH v2 net] ionic: update the queue count on open

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Message-Id: <20200626055837.3304-1-snelson@pensando.io>
Date:   Thu, 25 Jun 2020 22:58:37 -0700
From:   Shannon Nelson <snelson@...sando.io>
To:     netdev@...r.kernel.org, davem@...emloft.net
Cc:     Shannon Nelson <snelson@...sando.io>
Subject: [PATCH v2 net] ionic: update the queue count on open

Let the network stack know the real number of queues that
we are using.

v2: added error checking

Fixes: 49d3b493673a ("ionic: disable the queues on link down")
Signed-off-by: Shannon Nelson <snelson@...sando.io>
---
 drivers/net/ethernet/pensando/ionic/ionic_lif.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index aaa00edd9d5b..3c9dde31f3fa 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -1673,6 +1673,14 @@ int ionic_open(struct net_device *netdev)
 	if (err)
 		goto err_out;
 
+	err = netif_set_real_num_tx_queues(netdev, lif->nxqs);
+	if (err)
+		goto err_txrx_deinit;
+
+	err = netif_set_real_num_rx_queues(netdev, lif->nxqs);
+	if (err)
+		goto err_txrx_deinit;
+
 	/* don't start the queues until we have link */
 	if (netif_carrier_ok(netdev)) {
 		err = ionic_start_queues(lif);
-- 
2.17.1