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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Maxim Mikityanskiy <maximmi@mellanox.com>,
        Tariq Toukan <tariqt@mellanox.com>,
        Saeed Mahameed <saeedm@mellanox.com>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.4 48/60] net/mlx5e: Encapsulate updating netdev queues into a function
Date:   Mon, 20 Apr 2020 14:39:26 +0200
Message-Id: <20200420121513.432501744@linuxfoundation.org>
In-Reply-To: <20200420121500.490651540@linuxfoundation.org>
References: <20200420121500.490651540@linuxfoundation.org>
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From: Maxim Mikityanskiy <maximmi@mellanox.com>

[ Upstream commit c2c95271f9f39ea9b34db2301b3b6c5105cdb447 ]

As a preparation for one of the following commits, create a function to
encapsulate the code that notifies the kernel about the new amount of
RX and TX queues. The code will be called multiple times in the next
commit.

Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 .../net/ethernet/mellanox/mlx5/core/en_main.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index ee7c753e9ea04..dc456a222c48d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2897,6 +2897,17 @@ static void mlx5e_netdev_set_tcs(struct net_device *netdev)
 		netdev_set_tc_queue(netdev, tc, nch, 0);
 }
 
+static void mlx5e_update_netdev_queues(struct mlx5e_priv *priv)
+{
+	int num_txqs = priv->channels.num * priv->channels.params.num_tc;
+	int num_rxqs = priv->channels.num * priv->profile->rq_groups;
+	struct net_device *netdev = priv->netdev;
+
+	mlx5e_netdev_set_tcs(netdev);
+	netif_set_real_num_tx_queues(netdev, num_txqs);
+	netif_set_real_num_rx_queues(netdev, num_rxqs);
+}
+
 static void mlx5e_build_txq_maps(struct mlx5e_priv *priv)
 {
 	int i, ch;
@@ -2918,13 +2929,7 @@ static void mlx5e_build_txq_maps(struct mlx5e_priv *priv)
 
 void mlx5e_activate_priv_channels(struct mlx5e_priv *priv)
 {
-	int num_txqs = priv->channels.num * priv->channels.params.num_tc;
-	int num_rxqs = priv->channels.num * priv->profile->rq_groups;
-	struct net_device *netdev = priv->netdev;
-
-	mlx5e_netdev_set_tcs(netdev);
-	netif_set_real_num_tx_queues(netdev, num_txqs);
-	netif_set_real_num_rx_queues(netdev, num_rxqs);
+	mlx5e_update_netdev_queues(priv);
 
 	mlx5e_build_txq_maps(priv);
 	mlx5e_activate_channels(&priv->channels);
-- 
2.20.1