Commit 6d240650 authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller

mlxsw: spectrum_acl: Add A-TCAM region initialization

Before we start using the A-TCAM we need to make sure the region is
properly initialized.

This includes the setting of its type (which affects the size of its eRP
table, for example) and its registration with the eRP core.
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Reviewed-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f58df510
......@@ -57,23 +57,27 @@ int mlxsw_sp_acl_atcam_region_associate(struct mlxsw_sp *mlxsw_sp,
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(perar), perar_pl);
}
static int mlxsw_sp_acl_atcam_region_param_init(struct mlxsw_sp *mlxsw_sp,
u16 region_id)
static void
mlxsw_sp_acl_atcam_region_type_init(struct mlxsw_sp_acl_atcam_region *aregion)
{
char percr_pl[MLXSW_REG_PERCR_LEN];
mlxsw_reg_percr_pack(percr_pl, region_id);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(percr), percr_pl);
}
struct mlxsw_sp_acl_tcam_region *region = aregion->region;
enum mlxsw_sp_acl_atcam_region_type region_type;
unsigned int blocks_count;
static int
mlxsw_sp_acl_atcam_region_erp_init(struct mlxsw_sp *mlxsw_sp,
u16 region_id)
{
char pererp_pl[MLXSW_REG_PERERP_LEN];
/* We already know the blocks count can not exceed the maximum
* blocks count.
*/
blocks_count = mlxsw_afk_key_info_blocks_count_get(region->key_info);
if (blocks_count <= 2)
region_type = MLXSW_SP_ACL_ATCAM_REGION_TYPE_2KB;
else if (blocks_count <= 4)
region_type = MLXSW_SP_ACL_ATCAM_REGION_TYPE_4KB;
else if (blocks_count <= 8)
region_type = MLXSW_SP_ACL_ATCAM_REGION_TYPE_8KB;
else
region_type = MLXSW_SP_ACL_ATCAM_REGION_TYPE_12KB;
mlxsw_reg_pererp_pack(pererp_pl, region_id, true, true, 0, 0, 0);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pererp), pererp_pl);
aregion->type = region_type;
}
int mlxsw_sp_acl_atcam_region_init(struct mlxsw_sp *mlxsw_sp,
......@@ -83,22 +87,29 @@ int mlxsw_sp_acl_atcam_region_init(struct mlxsw_sp *mlxsw_sp,
{
int err;
err = mlxsw_sp_acl_atcam_region_associate(mlxsw_sp, region->id);
if (err)
return err;
err = mlxsw_sp_acl_atcam_region_param_init(mlxsw_sp, region->id);
aregion->region = region;
aregion->atcam = atcam;
mlxsw_sp_acl_atcam_region_type_init(aregion);
err = mlxsw_sp_acl_erp_region_init(aregion);
if (err)
return err;
err = mlxsw_sp_acl_atcam_region_erp_init(mlxsw_sp, region->id);
err = mlxsw_sp_acl_ctcam_region_init(mlxsw_sp, &aregion->cregion,
region);
if (err)
goto err_ctcam_region_init;
return 0;
err_ctcam_region_init:
mlxsw_sp_acl_erp_region_fini(aregion);
return err;
return mlxsw_sp_acl_ctcam_region_init(mlxsw_sp, &aregion->cregion,
region);
}
void mlxsw_sp_acl_atcam_region_fini(struct mlxsw_sp_acl_atcam_region *aregion)
{
mlxsw_sp_acl_ctcam_region_fini(&aregion->cregion);
mlxsw_sp_acl_erp_region_fini(aregion);
}
int mlxsw_sp_acl_atcam_init(struct mlxsw_sp *mlxsw_sp,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment