[dpdk-dev] [PATCH v2] net/i40e: fix qinq flow pattern to allow non full mask

Padraig Connolly padraig.j.connolly at intel.com
Wed Oct 14 18:30:47 CEST 2020


Issue reported by customer that only full mask was allowed on inner and
outer VLAN tag, thus not allowing mask to set VLAN ID filter only.
Removed check that enforces inner vlan and outer vlan to equal
I40E_TCI_MASK (full mask 0xffff).

Fixes: c2be7f9b232f ("net/i40e: fix parsing QinQ pattern")
Fixes: d37705068ee8 ("net/i40e: parse QinQ pattern")

Cc: bernard.iremonger at intel.com
Cc: stable at dpdk.org

Tested-by: Padraig Connolly <padraig.j.connolly at intel.com>
Signed-off-by: Padraig Connolly <padraig.j.connolly at intel.com>
---
 drivers/net/i40e/i40e_flow.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index adc5da1c5..8e7a9989b 100644
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -4649,14 +4649,9 @@ i40e_flow_parse_qinq_pattern(__rte_unused struct rte_eth_dev *dev,
 	}
 
 	/* Get filter specification */
-	if ((o_vlan_mask != NULL) && (o_vlan_mask->tci ==
-			rte_cpu_to_be_16(I40E_TCI_MASK)) &&
-			(i_vlan_mask != NULL) &&
-			(i_vlan_mask->tci == rte_cpu_to_be_16(I40E_TCI_MASK))) {
-		filter->outer_vlan = rte_be_to_cpu_16(o_vlan_spec->tci)
-			& I40E_TCI_MASK;
-		filter->inner_vlan = rte_be_to_cpu_16(i_vlan_spec->tci)
-			& I40E_TCI_MASK;
+	if (o_vlan_mask != NULL &&  i_vlan_mask != NULL) {
+		filter->outer_vlan = rte_be_to_cpu_16(o_vlan_spec->tci);
+		filter->inner_vlan = rte_be_to_cpu_16(i_vlan_spec->tci);
 	} else {
 			rte_flow_error_set(error, EINVAL,
 					   RTE_FLOW_ERROR_TYPE_ITEM,
-- 
2.17.1

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