82599 VFs and PF share the same RSS Key. Therefore we will return
the same RSS key for all VFs.

Signed-off-by: Vlad Zolotarov <redacted>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h   |  2 ++
 drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 25 +++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
index c1123d9..52e775b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h

@@ -97,6 +97,8 @@ enum ixgbe_pfvf_api_rev {
 #define IXGBE_VF_GET_RETA_1    0x0b /* get RETA[12..23] */
 #define IXGBE_VF_GET_RETA_2    0x0c /* get RETA[24..31] */

+#define IXGBE_VF_GET_RSS_KEY   0x0d /* get RSS key */
+
 /* GET_QUEUES return data indices within the mailbox */
 #define IXGBE_VF_TX_QUEUES     1       /* number of Tx queues supported */
 #define IXGBE_VF_RX_QUEUES     2       /* number of Rx queues supported */

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index 84db1a5..fc8233e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c

@@ -970,6 +970,28 @@ static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter,
        return 0;
 }

+static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter,
+                               u32 *msgbuf, u32 vf)
+{
+       struct ixgbe_hw *hw = &adapter->hw;
+       int i;
+       u32 *rss_key = &msgbuf[1];
+
+       /* verify the PF is supporting the correct API */
+       switch (adapter->vfinfo[vf].vf_api) {
+       case ixgbe_mbox_api_12:
+               break;
+       default:
+               return -EPERM;
+       }