linux-kernel - [PATCH net-next 3/4] net/mlx5e: Use U8_MAX instead of hard coded magic number

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Message-ID: <1764498334-1327918-4-git-send-email-tariqt@nvidia.com>
Date: Sun, 30 Nov 2025 12:25:33 +0200
From: Tariq Toukan <tariqt@...dia.com>
To: Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew+netdev@...n.ch>, "David
 S. Miller" <davem@...emloft.net>
CC: Saeed Mahameed <saeedm@...dia.com>, Tariq Toukan <tariqt@...dia.com>,
	"Mark Bloch" <mbloch@...dia.com>, Leon Romanovsky <leon@...nel.org>,
	<netdev@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Gal Pressman <gal@...dia.com>, Moshe Shemesh
	<moshe@...dia.com>, Nimrod Oren <noren@...dia.com>, Danielle Costantino
	<dcostantino@...a.com>
Subject: [PATCH net-next 3/4] net/mlx5e: Use U8_MAX instead of hard coded magic number

From: Gal Pressman <gal@...dia.com>

Replace hard coded 255 magic number with U8_MAX (the register field is 8
bits).

Signed-off-by: Gal Pressman <gal@...dia.com>
Reviewed-by: Nimrod Oren <noren@...dia.com>
Signed-off-by: Tariq Toukan <tariqt@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
index 7127442f8003..79f9d43b09b3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
@@ -614,8 +614,8 @@ static int mlx5e_dcbnl_ieee_setmaxrate(struct net_device *netdev,
 
 	memset(max_bw_value, 0, sizeof(max_bw_value));
 	memset(max_bw_unit, 0, sizeof(max_bw_unit));
-	upper_limit_100mbps = 255 * MLX5E_100MB;
-	upper_limit_gbps = 255 * MLX5E_1GB;
+	upper_limit_100mbps = U8_MAX * MLX5E_100MB;
+	upper_limit_gbps = U8_MAX * MLX5E_1GB;
 
 	for (i = 0; i <= mlx5_max_tc(mdev); i++) {
 		if (!maxrate->tc_maxrate[i]) {
-- 
2.31.1