From: Tao Zhu <taox.zhu@intel.com>
Date: Wed, 30 Oct 2019 18:21:31 +0000 (+0800)
Subject: net/i40e: handle QinQ strip
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b96fb2f0d22b;p=dpdk.git

net/i40e: handle QinQ strip

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: Tao Zhu <taox.zhu@intel.com>
Acked-by: Beilei Xing <beilei.xing@intel.com>
Reviewed-by: Xiaolong Ye <xiaolong.ye@intel.com>
---

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 91d529b2f3..5abf60e36a 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)