[dpdk-dev] [PATCH] net/i40e: qinq strip is not supported by i40e

[taox.zhu at intel.com]

From: Zhu Tao <taox.zhu at intel.com>

Qinq strip is not supported by i40e. When user tries to turn on
QinQ strip, the driver gives unsupported return value and log.

Signed-off-by: Zhu Tao <taox.zhu at intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 77a46832c..ed8cbd849 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -3847,6 +3847,11 @@ i40e_vlan_offload_set(struct rte_eth_dev *dev, int mask)
 	struct i40e_vsi *vsi = pf->main_vsi;
 	struct rte_eth_rxmode *rxmode;
 
+	if (mask & ETH_QINQ_STRIP_MASK) {
+		PMD_DRV_LOG(ERR, "Strip qinq is not supported.");
+		return -ENOTSUP;
+	}
+
 	rxmode = &dev->data->dev_conf.rxmode;
 	if (mask & ETH_VLAN_FILTER_MASK) {
 		if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
-- 
2.17.1