Enable missing support for QinQ strip rx offload
in vlan offload set/get methods.

Fixes: cc9d0456b870 ("i40e: support double vlan stripping and insertion")
Cc: sta...@dpdk.org

Signed-off-by: Vivek Sharma <viveksha...@marvell.com>
---
 lib/librte_ethdev/rte_ethdev.c | 17 +++++++++++++++++
 lib/librte_ethdev/rte_ethdev.h |  5 ++++-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 243beb4..222df4e 100644
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -2770,6 +2770,19 @@ rte_eth_dev_set_vlan_offload(uint16_t port_id, int 
offload_mask)
                mask |= ETH_VLAN_EXTEND_MASK;
        }
 
+       cur = !!(offload_mask & ETH_QINQ_STRIP_OFFLOAD);
+       org = !!(dev->data->dev_conf.rxmode.offloads &
+                DEV_RX_OFFLOAD_QINQ_STRIP);
+       if (cur != org) {
+               if (cur)
+                       dev->data->dev_conf.rxmode.offloads |=
+                               DEV_RX_OFFLOAD_QINQ_STRIP;
+               else
+                       dev->data->dev_conf.rxmode.offloads &=
+                               ~DEV_RX_OFFLOAD_QINQ_STRIP;
+               mask |= ETH_QINQ_STRIP_MASK;
+       }
+
        /*no change*/
        if (mask == 0)
                return ret;
@@ -2805,6 +2818,10 @@ rte_eth_dev_get_vlan_offload(uint16_t port_id)
            DEV_RX_OFFLOAD_VLAN_EXTEND)
                ret |= ETH_VLAN_EXTEND_OFFLOAD;
 
+       if (dev->data->dev_conf.rxmode.offloads &
+           DEV_RX_OFFLOAD_QINQ_STRIP)
+               ret |= DEV_RX_OFFLOAD_QINQ_STRIP;
+
        return ret;
 }
 
diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index 40a068f..c1792f4 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -550,11 +550,13 @@ struct rte_eth_rss_conf {
 #define ETH_VLAN_STRIP_OFFLOAD   0x0001 /**< VLAN Strip  On/Off */
 #define ETH_VLAN_FILTER_OFFLOAD  0x0002 /**< VLAN Filter On/Off */
 #define ETH_VLAN_EXTEND_OFFLOAD  0x0004 /**< VLAN Extend On/Off */
+#define ETH_QINQ_STRIP_OFFLOAD   0x0008 /**< QINQ Strip On/Off */
 
 /* Definitions used for mask VLAN setting */
 #define ETH_VLAN_STRIP_MASK   0x0001 /**< VLAN Strip  setting mask */
 #define ETH_VLAN_FILTER_MASK  0x0002 /**< VLAN Filter  setting mask*/
 #define ETH_VLAN_EXTEND_MASK  0x0004 /**< VLAN Extend  setting mask*/
+#define ETH_QINQ_STRIP_MASK   0x0008 /**< QINQ Strip  setting mask */
 #define ETH_VLAN_ID_MAX       0x0FFF /**< VLAN ID is in lower 12 bits*/
 
 /* Definitions used for receive MAC address   */
@@ -965,7 +967,8 @@ struct rte_eth_conf {
                                 DEV_RX_OFFLOAD_TCP_CKSUM)
 #define DEV_RX_OFFLOAD_VLAN (DEV_RX_OFFLOAD_VLAN_STRIP | \
                             DEV_RX_OFFLOAD_VLAN_FILTER | \
-                            DEV_RX_OFFLOAD_VLAN_EXTEND)
+                            DEV_RX_OFFLOAD_VLAN_EXTEND | \
+                            DEV_RX_OFFLOAD_QINQ_STRIP)
 
 /*
  * If new Rx offload capabilities are defined, they also must be
-- 
2.7.4

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