1 files changed, 31 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index 6f59933cdff7..3c6f01c41b78 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -53,6 +53,11 @@ static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter,
         struct ixgbe_hw *hw = &adapter->hw;
         int i;
 
+        if (adapter->xdp_prog) {
+                e_warn(probe, "SRIOV is not supported with XDP\n");
+                return -EINVAL;
+        }
+
         /* Enable VMDq flag so device will be set in VM mode */
         adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED |
                           IXGBE_FLAG_VMDQ_ENABLED;
@@ -688,8 +693,13 @@ static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter,
 static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
 {
         struct ixgbe_hw *hw = &adapter->hw;
+        struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
         struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
+        u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask);
         u8 num_tcs = adapter->hw_tcs;
+        u32 reg_val;
+        u32 queue;
+        u32 word;
 
         /* remove VLAN filters beloning to this VF */
         ixgbe_clear_vf_vlans(adapter, vf);
@@ -726,6 +736,27 @@ static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
 
         /* reset VF api back to unknown */
         adapter->vfinfo[vf].vf_api = ixgbe_mbox_api_10;
+
+        /* Restart each queue for given VF */
+        for (queue = 0; queue < q_per_pool; queue++) {
+                unsigned int reg_idx = (vf * q_per_pool) + queue;
+
+                reg_val = IXGBE_READ_REG(hw, IXGBE_PVFTXDCTL(reg_idx));
+
+                /* Re-enabling only configured queues */
+                if (reg_val) {
+                        reg_val |= IXGBE_TXDCTL_ENABLE;
+                        IXGBE_WRITE_REG(hw, IXGBE_PVFTXDCTL(reg_idx), reg_val);
+                        reg_val &= ~IXGBE_TXDCTL_ENABLE;
+                        IXGBE_WRITE_REG(hw, IXGBE_PVFTXDCTL(reg_idx), reg_val);
+                }
+        }
+
+        /* Clear VF's mailbox memory */
+        for (word = 0; word < IXGBE_VFMAILBOX_SIZE; word++)
+                IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf), word, 0);
+
+        IXGBE_WRITE_FLUSH(hw);
 }
 
 static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter,