ixgbevf: Adds function to set PSRTYPE register

This patch creates a new function to set PSRTYPE. This function helps lay
the ground work for eventual multi queue support.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 16 insertions, 2 deletions

diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index ce27d62f9c8e..c0f9aad2cda3 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1082,6 +1082,21 @@ static void ixgbevf_configure_srrctl(struct ixgbevf_adapter *adapter, int index)
         IXGBE_WRITE_REG(hw, IXGBE_VFSRRCTL(index), srrctl);
 }
 
+static void ixgbevf_setup_psrtype(struct ixgbevf_adapter *adapter)
+{
+        struct ixgbe_hw *hw = &adapter->hw;
+
+        /* PSRTYPE must be initialized in 82599 */
+        u32 psrtype = IXGBE_PSRTYPE_TCPHDR | IXGBE_PSRTYPE_UDPHDR |
+                      IXGBE_PSRTYPE_IPV4HDR | IXGBE_PSRTYPE_IPV6HDR |
+                      IXGBE_PSRTYPE_L2HDR;
+
+        if (adapter->num_rx_queues > 1)
+                psrtype |= 1 << 29;
+
+        IXGBE_WRITE_REG(hw, IXGBE_VFPSRTYPE, psrtype);
+}
+
 static void ixgbevf_set_rx_buffer_len(struct ixgbevf_adapter *adapter)
 {
         struct ixgbe_hw *hw = &adapter->hw;
@@ -1129,8 +1144,7 @@ static void ixgbevf_configure_rx(struct ixgbevf_adapter *adapter)
         int i, j;
         u32 rdlen;
 
-        /* PSRTYPE must be initialized in 82599 */
-        IXGBE_WRITE_REG(hw, IXGBE_VFPSRTYPE, 0);
+        ixgbevf_setup_psrtype(adapter);
 
         /* set_rx_buffer_len must be called before ring initialization */
         ixgbevf_set_rx_buffer_len(adapter);