[dpdk-stable] [PATCH v4 06/13] net/ice: add action number check for swicth

[Wei Zhao <wei.zhao1@intel.com>]

The action number can only be one for DCF or PF
switch filter, not support multiple actions.

Cc: stable@dpdk.org
Fixes: 47d460d63233 ("net/ice: rework switch filter")

Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
---
 drivers/net/ice/ice_switch_filter.c | 48 +++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/drivers/net/ice/ice_switch_filter.c b/drivers/net/ice/ice_switch_filter.c
index d9bdf9637..cc48f22dd 100644
--- a/drivers/net/ice/ice_switch_filter.c
+++ b/drivers/net/ice/ice_switch_filter.c
@@ -1073,6 +1073,46 @@ ice_switch_parse_action(struct ice_pf *pf,
 	return -rte_errno;
 }
 
+static int
+ice_switch_check_action(const struct rte_flow_action *actions,
+			    struct rte_flow_error *error)
+{
+	const struct rte_flow_action *action;
+	enum rte_flow_action_type action_type;
+	uint16_t actions_num = 0;
+
+	for (action = actions; action->type !=
+				RTE_FLOW_ACTION_TYPE_END; action++) {
+		action_type = action->type;
+		switch (action_type) {
+		case RTE_FLOW_ACTION_TYPE_VF:
+		case RTE_FLOW_ACTION_TYPE_RSS:
+		case RTE_FLOW_ACTION_TYPE_QUEUE:
+		case RTE_FLOW_ACTION_TYPE_DROP:
+			actions_num++;
+			break;
+		case RTE_FLOW_ACTION_TYPE_VOID:
+			continue;
+		default:
+			rte_flow_error_set(error,
+					   EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
+					   actions,
+					   "Invalid action type");
+			return -rte_errno;
+		}
+	}
+
+	if (actions_num > 1) {
+		rte_flow_error_set(error,
+				   EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
+				   actions,
+				   "Invalid action number");
+		return -rte_errno;
+	}
+
+	return 0;
+}
+
 static int
 ice_switch_parse_pattern_action(struct ice_adapter *ad,
 		struct ice_pattern_match_item *array,
@@ -1158,6 +1198,14 @@ ice_switch_parse_pattern_action(struct ice_adapter *ad,
 		goto error;
 	}
 
+	ret = ice_switch_check_action(actions, error);
+	if (ret) {
+		rte_flow_error_set(error, EINVAL,
+				   RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+				   "Invalid input action number");
+		goto error;
+	}
+
 	if (ad->hw.dcf_enabled)
 		ret = ice_switch_parse_dcf_action(actions, error, &rule_info);
 	else
-- 
2.19.1