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net/mlx5: fix 32bit build

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We can't use the division operator on 64 bits integers, that breaks
32 bits build. Instead use the relevant helper.

Fixes: 6ddac26cf7 ("net/mlx5e: Add support to modify hardware flow meter parameters")
Acked-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/ecb00ddd1197b4f8a4882090206bd2eee1eb8b5b.1657005206.git.pabeni@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Paolo Abeni 2022-07-05 09:17:04 +02:00
parent a94afe18ac
commit 55ae465222
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/mellanox/mlx5/core/en/tc/meter.c
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@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
// Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#include <linux/math64.h>
#include "lib/aso.h"
#include "en/tc/post_act.h"
#include "meter.h"
@ -61,7 +62,7 @@ mlx5e_flow_meter_cir_calc(u64 cir, u8 *man, u8 *exp)
m = cir << e;
if ((s64)m < 0) /* overflow */
break;
m /= MLX5_CONST_CIR;
m = div64_u64(m, MLX5_CONST_CIR);
if (m > 0xFF) /* man width 8 bit */
continue;
_cir = MLX5_CALC_CIR(m, e);