diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index 07d1c047d1c6..0c25df506247 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -618,6 +618,27 @@ int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask) return 0; } +static inline void ixgbe_write_qde(struct ixgbe_adapter *adapter, u32 vf, + u32 qde) +{ + struct ixgbe_hw *hw = &adapter->hw; + struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; + u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask); + int i; + + for (i = vf * q_per_pool; i < ((vf + 1) * q_per_pool); i++) { + u32 reg; + + /* flush previous write */ + IXGBE_WRITE_FLUSH(hw); + + /* indicate to hardware that we want to set drop enable */ + reg = IXGBE_QDE_WRITE | IXGBE_QDE_ENABLE; + reg |= i << IXGBE_QDE_IDX_SHIFT; + IXGBE_WRITE_REG(hw, IXGBE_QDE, reg); + } +} + static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) { struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; @@ -647,15 +668,7 @@ static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg); /* force drop enable for all VF Rx queues */ - for (i = vf * q_per_pool; i < ((vf + 1) * q_per_pool); i++) { - /* flush previous write */ - IXGBE_WRITE_FLUSH(hw); - - /* indicate to hardware that we want to set drop enable */ - reg = IXGBE_QDE_WRITE | IXGBE_QDE_ENABLE; - reg |= i << IXGBE_QDE_IDX_SHIFT; - IXGBE_WRITE_REG(hw, IXGBE_QDE, reg); - } + ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE); /* enable receive for vf */ reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); |