[dpdk-dev] [PATCH] net/ice: fix VF index check for DCF

[Wei Zhao]

The vf index in rte_flow command need to check
in order that larger the actual number.

Fixes: 829c3106812d ("net/ice: enable switch flow on DCF")
Cc: stable at dpdk.org

Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>
---
 drivers/net/ice/ice_switch_filter.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ice/ice_switch_filter.c b/drivers/net/ice/ice_switch_filter.c
index c4b00b6a2..e7e03d96b 100644
--- a/drivers/net/ice/ice_switch_filter.c
+++ b/drivers/net/ice/ice_switch_filter.c
@@ -1405,6 +1405,16 @@ ice_switch_parse_dcf_action(struct ice_dcf_adapter *ad,
 		case RTE_FLOW_ACTION_TYPE_VF:
 			rule_info->sw_act.fltr_act = ICE_FWD_TO_VSI;
 			act_vf = action->conf;
+
+			if (act_vf->id >= ad->real_hw.num_vfs &&
+				!act_vf->original) {
+				rte_flow_error_set(error,
+					EINVAL, RTE_FLOW_ERROR_TYPE_ACTION,
+					actions,
+					"Invalid vf id");
+				return -rte_errno;
+			}
+
 			if (act_vf->original)
 				rule_info->sw_act.vsi_handle =
 					ad->real_hw.avf.bus.func;
@@ -1667,12 +1677,8 @@ ice_switch_parse_pattern_action(struct ice_adapter *ad,
 	else
 		ret = ice_switch_parse_action(pf, actions, error, &rule_info);
 
-	if (ret) {
-		rte_flow_error_set(error, EINVAL,
-				   RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
-				   "Invalid input action");
+	if (ret)
 		goto error;
-	}
 
 	if (meta) {
 		*meta = sw_meta_ptr;
-- 
2.19.1