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mlxsw: core_env: Query and store port module's type during initialization

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Query and store port module's type during initialization so that it
could be later used to determine if certain configurations are allowed
based on the type.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Danielle Ratson 2022-01-26 12:30:34 +02:00 committed by David S. Miller
parent 0d31441e87
commit e62f5b0e3f
1 changed files with 28 additions and 0 deletions
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28
drivers/net/ethernet/mellanox/mlxsw/core_env.c
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@ -18,6 +18,7 @@ struct mlxsw_env_module_info {
int num_ports_mapped;
int num_ports_up;
enum ethtool_module_power_mode_policy power_mode_policy;
enum mlxsw_reg_pmtm_module_type type;
};
struct mlxsw_env {
@ -998,6 +999,28 @@ out_unlock:
}
EXPORT_SYMBOL(mlxsw_env_module_port_down);
static int
mlxsw_env_module_type_set(struct mlxsw_core *mlxsw_core)
{
struct mlxsw_env *mlxsw_env = mlxsw_core_env(mlxsw_core);
int i;
for (i = 0; i < mlxsw_env->module_count; i++) {
char pmtm_pl[MLXSW_REG_PMTM_LEN];
int err;
mlxsw_reg_pmtm_pack(pmtm_pl, 0, i);
err = mlxsw_reg_query(mlxsw_core, MLXSW_REG(pmtm), pmtm_pl);
if (err)
return err;
mlxsw_env->module_info[i].type =
mlxsw_reg_pmtm_module_type_get(pmtm_pl);
}
return 0;
}
int mlxsw_env_init(struct mlxsw_core *mlxsw_core, struct mlxsw_env **p_env)
{
char mgpir_pl[MLXSW_REG_MGPIR_LEN];
@ -1044,8 +1067,13 @@ int mlxsw_env_init(struct mlxsw_core *mlxsw_core, struct mlxsw_env **p_env)
if (err)
goto err_temp_event_enable;
err = mlxsw_env_module_type_set(mlxsw_core);
if (err)
goto err_type_set;
return 0;
err_type_set:
err_temp_event_enable:
err_oper_state_event_enable:
mlxsw_env_module_plug_event_unregister(env);