IXGBE: Set the SW prio_tc values at initialization to the HW setting.
Set the SW prio_tc values at initialization to the HW setting.
Setting the SW prio_tc default values to be the HW setting by reading the
rtrup2tc register. For any TC change we need to reset the device.
This will remove the need to reset the device at the first
time we call ixgbe_dcbnl_ieee_setets.
Signed-off-by: Amir Hanania <amir.hanania@intel.com>
Tested-by: Jack Morgan<jack.morgan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c
index 1f2c805..e055e00 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c
@@ -380,3 +380,26 @@
}
return 0;
}
+
+static void ixgbe_dcb_read_rtrup2tc_82599(struct ixgbe_hw *hw, u8 *map)
+{
+ u32 reg, i;
+
+ reg = IXGBE_READ_REG(hw, IXGBE_RTRUP2TC);
+ for (i = 0; i < MAX_USER_PRIORITY; i++)
+ map[i] = IXGBE_RTRUP2TC_UP_MASK &
+ (reg >> (i * IXGBE_RTRUP2TC_UP_SHIFT));
+ return;
+}
+
+void ixgbe_dcb_read_rtrup2tc(struct ixgbe_hw *hw, u8 *map)
+{
+ switch (hw->mac.type) {
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ ixgbe_dcb_read_rtrup2tc_82599(hw, map);
+ break;
+ default:
+ break;
+ }
+}