diff options
| author | Jiri Pirko <jiri@mellanox.com> | 2019-02-07 11:22:55 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-08 15:02:50 -0800 |
| commit | 98bbf70c1c41fb9547c3a18c0f1b96f6ebb8eb1d (patch) | |
| tree | b0053d9d3c2de5734e516e4224440737e03cd926 /drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c | |
| parent | e5e7962ee5c277f769791d1d857d3641200ee0eb (diff) | |
mlxsw: spectrum: add "acl_region_rehash_interval" devlink param
Expose new driver-specific "acl_region_rehash_interval" devlink param
which would allow user to alter default ACL region rehash interval.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c index 9239ff4e94c4..f2cb37c0d300 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c @@ -24,6 +24,7 @@ size_t mlxsw_sp_acl_tcam_priv_size(struct mlxsw_sp *mlxsw_sp) } #define MLXSW_SP_ACL_TCAM_VREGION_REHASH_INTRVL_DFLT 5000 /* ms */ +#define MLXSW_SP_ACL_TCAM_VREGION_REHASH_INTRVL_MIN 3000 /* ms */ int mlxsw_sp_acl_tcam_init(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_acl_tcam *tcam) @@ -725,6 +726,41 @@ mlxsw_sp_acl_tcam_vregion_destroy(struct mlxsw_sp *mlxsw_sp, kfree(vregion); } +u32 mlxsw_sp_acl_tcam_vregion_rehash_intrvl_get(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_acl_tcam *tcam) +{ + const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops; + u32 vregion_rehash_intrvl; + + if (WARN_ON(!ops->region_rehash_hints_get)) + return 0; + vregion_rehash_intrvl = tcam->vregion_rehash_intrvl; + return vregion_rehash_intrvl; +} + +int mlxsw_sp_acl_tcam_vregion_rehash_intrvl_set(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_acl_tcam *tcam, + u32 val) +{ + const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops; + struct mlxsw_sp_acl_tcam_vregion *vregion; + + if (val < MLXSW_SP_ACL_TCAM_VREGION_REHASH_INTRVL_MIN && val) + return -EINVAL; + if (WARN_ON(!ops->region_rehash_hints_get)) + return -EOPNOTSUPP; + tcam->vregion_rehash_intrvl = val; + rtnl_lock(); + list_for_each_entry(vregion, &tcam->vregion_list, tlist) { + if (val) + mlxsw_core_schedule_dw(&vregion->rehash_dw, 0); + else + cancel_delayed_work_sync(&vregion->rehash_dw); + } + rtnl_unlock(); + return 0; +} + static int mlxsw_sp_acl_tcam_vchunk_assoc(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_acl_tcam_group *group, |