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net/mlx5e: Fix setting of RS FEC mode

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Change register setting from bit number to bit mask.

Fixes: b5ede32d33 ("net/mlx5e: Add support for FEC modes based on 50G per lane links")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Eran Ben Elisha <eranbe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Aya Levin 2021-04-11 09:33:12 +03:00 committed by Saeed Mahameed
parent 41bafb31dc
commit 7a320c9db3
1 changed files with 4 additions and 19 deletions
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23
drivers/net/ethernet/mellanox/mlx5/core/en/port.c
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@ -387,21 +387,6 @@ enum mlx5e_fec_supported_link_mode {
*_policy = MLX5_GET(pplm_reg, _buf, fec_override_admin_##link); \
} while (0)
#define MLX5E_FEC_OVERRIDE_ADMIN_50G_POLICY(buf, policy, write, link) \
do { \
unsigned long policy_long; \
u16 *__policy = &(policy); \
bool _write = (write); \
\
policy_long = *__policy; \
if (_write && *__policy) \
*__policy = find_first_bit(&policy_long, \
sizeof(policy_long) * BITS_PER_BYTE);\
MLX5E_FEC_OVERRIDE_ADMIN_POLICY(buf, *__policy, _write, link); \
if (!_write && *__policy) \
*__policy = 1 << *__policy; \
} while (0)
/* get/set FEC admin field for a given speed */
static int mlx5e_fec_admin_field(u32 *pplm, u16 *fec_policy, bool write,
enum mlx5e_fec_supported_link_mode link_mode)
@ -423,16 +408,16 @@ static int mlx5e_fec_admin_field(u32 *pplm, u16 *fec_policy, bool write,
MLX5E_FEC_OVERRIDE_ADMIN_POLICY(pplm, *fec_policy, write, 100g);
break;
case MLX5E_FEC_SUPPORTED_LINK_MODE_50G_1X:
MLX5E_FEC_OVERRIDE_ADMIN_50G_POLICY(pplm, *fec_policy, write, 50g_1x);
MLX5E_FEC_OVERRIDE_ADMIN_POLICY(pplm, *fec_policy, write, 50g_1x);
break;
case MLX5E_FEC_SUPPORTED_LINK_MODE_100G_2X:
MLX5E_FEC_OVERRIDE_ADMIN_50G_POLICY(pplm, *fec_policy, write, 100g_2x);
MLX5E_FEC_OVERRIDE_ADMIN_POLICY(pplm, *fec_policy, write, 100g_2x);
break;
case MLX5E_FEC_SUPPORTED_LINK_MODE_200G_4X:
MLX5E_FEC_OVERRIDE_ADMIN_50G_POLICY(pplm, *fec_policy, write, 200g_4x);
MLX5E_FEC_OVERRIDE_ADMIN_POLICY(pplm, *fec_policy, write, 200g_4x);
break;
case MLX5E_FEC_SUPPORTED_LINK_MODE_400G_8X:
MLX5E_FEC_OVERRIDE_ADMIN_50G_POLICY(pplm, *fec_policy, write, 400g_8x);
MLX5E_FEC_OVERRIDE_ADMIN_POLICY(pplm, *fec_policy, write, 400g_8x);
break;
default:
return -EINVAL;