Make FLOW_ACTION_HW_STATS_DONT_CARE be all bits, rather than none, so that
drivers and __flow_action_hw_stats_check can use simple bitwise checks.
In mlxsw we check for DISABLED first, because we'd rather save the counter
resources in the DONT_CARE case.
Signed-off-by: Edward Cree <ecree@xxxxxxxxxxxxxx>
---
Compile tested only.
drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c | 8 ++++----
include/net/flow_offload.h | 8 ++++----
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
index 890b078851c9..1f0caeae24e1 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
@@ -30,14 +30,14 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp,
return -EOPNOTSUPP;
act = flow_action_first_entry_get(flow_action);
- if (act->hw_stats == FLOW_ACTION_HW_STATS_ANY ||
- act->hw_stats == FLOW_ACTION_HW_STATS_IMMEDIATE) {
+ if (act->hw_stats & FLOW_ACTION_HW_STATS_DISABLED) {
+ /* Nothing to do */
+ } else if (act->hw_stats & FLOW_ACTION_HW_STATS_IMMEDIATE) {
/* Count action is inserted first */
err = mlxsw_sp_acl_rulei_act_count(mlxsw_sp, rulei, extack);
if (err)
return err;
- } else if (act->hw_stats != FLOW_ACTION_HW_STATS_DISABLED &&
- act->hw_stats != FLOW_ACTION_HW_STATS_DONT_CARE) {
+ } else {
NL_SET_ERR_MSG_MOD(extack, "Unsupported action HW stats type");
return -EOPNOTSUPP;
}
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index efc8350b42fb..203dd54a095a 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -167,10 +167,11 @@ enum flow_action_hw_stats_bit {
FLOW_ACTION_HW_STATS_IMMEDIATE_BIT,
FLOW_ACTION_HW_STATS_DELAYED_BIT,
FLOW_ACTION_HW_STATS_DISABLED_BIT,
+
+ FLOW_ACTION_HW_STATS_NUM_BITS
};
enum flow_action_hw_stats {
- FLOW_ACTION_HW_STATS_DONT_CARE = 0,
FLOW_ACTION_HW_STATS_IMMEDIATE =
BIT(FLOW_ACTION_HW_STATS_IMMEDIATE_BIT),
FLOW_ACTION_HW_STATS_DELAYED = BIT(FLOW_ACTION_HW_STATS_DELAYED_BIT),
@@ -178,6 +179,7 @@ enum flow_action_hw_stats {
FLOW_ACTION_HW_STATS_DELAYED,
FLOW_ACTION_HW_STATS_DISABLED =
BIT(FLOW_ACTION_HW_STATS_DISABLED_BIT),
+ FLOW_ACTION_HW_STATS_DONT_CARE = BIT(FLOW_ACTION_HW_STATS_NUM_BITS) - 1,
};
typedef void (*action_destr)(void *priv);
@@ -330,11 +332,9 @@ __flow_action_hw_stats_check(const struct flow_action *action,
return false;
action_entry = flow_action_first_entry_get(action);
- if (action_entry->hw_stats == FLOW_ACTION_HW_STATS_DONT_CARE)
- return true;
if (!check_allow_bit &&
- action_entry->hw_stats != FLOW_ACTION_HW_STATS_ANY) {
+ ~action_entry->hw_stats & FLOW_ACTION_HW_STATS_ANY) {
NL_SET_ERR_MSG_MOD(extack, "Driver supports only default HW stats type \"any\"");
return false;
} else if (check_allow_bit &&
