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mlxsw: spectrum_buffers: Tweak SBMM configuration 

The SBMM register configures shared buffer allocation and settings for
MC packets according to switch priority. The recommended values are no
reserved buffer and alpha of 1/4, which corresponds to buf_max of 6.
Update mlxsw_sp_sb_mms accordingly.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2018-09-20 09:21:33 +03:00 committed by David S. Miller
parent e83c045e53
commit 6a23f9a497
1 changed files with 15 additions and 15 deletions
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30
drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
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@ -566,21 +566,21 @@ struct mlxsw_sp_sb_mm {
}
static const struct mlxsw_sp_sb_mm mlxsw_sp_sb_mms[] = {
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(20000, 0xff, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
MLXSW_SP_SB_MM(0, 6, 4),
};
#define MLXSW_SP_SB_MMS_LEN ARRAY_SIZE(mlxsw_sp_sb_mms)