@@ -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 */
@@ -966,6 +966,24 @@ 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 */
+ if (adapter->vfinfo[vf].vf_api != ixgbe_mbox_api_12)
+ return -EPERM;
+
+ /* Read the RSS KEY */
+ for (i = 0; i < 10; i++)
+ rss_key[i] = IXGBE_READ_REG(hw, IXGBE_RSSRK(i));
+
+ return 0;
+}
+
static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
{
u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
@@ -1031,6 +1049,9 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
case IXGBE_VF_GET_RETA_2:
retval = ixgbe_get_vf_reta(adapter, msgbuf, vf, 24, 8);
break;
+ case IXGBE_VF_GET_RSS_KEY:
+ retval = ixgbe_get_vf_rss_key(adapter, msgbuf, vf);
+ break;
default:
e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
retval = IXGBE_ERR_MBX;
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 <vladz@cloudius-systems.com> --- New in v1 (compared to RFC): - Use "if-else" statement instead of a "switch-case" for a single option case (in ixgbe_get_vf_rss_key()). --- drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h | 2 ++ drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 21 +++++++++++++++++++++ 2 files changed, 23 insertions(+)