netdev - [net-next V2 13/13] net/mlx5e: Use #define for the WQE wait timeout constant

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Message-Id: <20190423191500.16632-14-saeedm@mellanox.com>
Date:   Tue, 23 Apr 2019 12:15:00 -0700
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, Jesper Dangaard Brouer <brouer@...hat.com>,
        Jonathan Lemon <bsd@...com>,
        Maxim Mikityanskiy <maximmi@...lanox.com>,
        Tariq Toukan <tariqt@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next V2 13/13] net/mlx5e: Use #define for the WQE wait timeout constant

From: Maxim Mikityanskiy <maximmi@...lanox.com>

Create a #define for the timeout of mlx5e_wait_for_min_rx_wqes to
clarify the meaning of a magic number.

Signed-off-by: Maxim Mikityanskiy <maximmi@...lanox.com>
Reviewed-by: Tariq Toukan <tariqt@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 8ae17dcad487..69a9d67396ec 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2256,14 +2256,18 @@ static void mlx5e_activate_channels(struct mlx5e_channels *chs)
 		mlx5e_activate_channel(chs->c[i]);
 }
 
+#define MLX5E_RQ_WQES_TIMEOUT 20000 /* msecs */
+
 static int mlx5e_wait_channels_min_rx_wqes(struct mlx5e_channels *chs)
 {
 	int err = 0;
 	int i;
 
-	for (i = 0; i < chs->num; i++)
-		err |= mlx5e_wait_for_min_rx_wqes(&chs->c[i]->rq,
-						  err ? 0 : 20000);
+	for (i = 0; i < chs->num; i++) {
+		int timeout = err ? 0 : MLX5E_RQ_WQES_TIMEOUT;
+
+		err |= mlx5e_wait_for_min_rx_wqes(&chs->c[i]->rq, timeout);
+	}
 
 	return err ? -ETIMEDOUT : 0;
 }
-- 
2.20.1