igb: add defaults for i210 TX/RX PBSIZE

Set the defaults on probe for the packet buffer size registers for the
i210.

Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index ea2868b22c2d..33b3a16dabe1 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -2433,6 +2433,12 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         /* get firmware version for ethtool -i */
         igb_set_fw_version(adapter);
 
+        /* configure RXPBSIZE and TXPBSIZE */
+        if (hw->mac.type == e1000_i210) {
+                wr32(E1000_RXPBS, I210_RXPBSIZE_DEFAULT);
+                wr32(E1000_TXPBS, I210_TXPBSIZE_DEFAULT);
+        }
+
         setup_timer(&adapter->watchdog_timer, igb_watchdog,
                     (unsigned long) adapter);
         setup_timer(&adapter->phy_info_timer, igb_update_phy_info,