Commit f7e1027f authored by Alexander Duyck's avatar Alexander Duyck Committed by Jeff Kirsher
Browse files

v2 ixgbe: Update packet buffer reservation to correct fdir headroom size 



This change fixes an issue in which the incorrect amount of headroom was
being reserved for flow director filters.

Signed-off-by: default avatarAlexander Duyck <alexander.h.duyck@intel.com>
Tested-by: default avatarPhil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 4c1d7b4b

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

+6 −4
Original line number Diff line number Diff line
@@ -3372,15 +3372,17 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter) 


static void ixgbe_configure_pb(struct ixgbe_adapter *adapter)

{

	int hdrm = 0;

	int num_tc = netdev_get_num_tc(adapter->netdev);

	struct ixgbe_hw *hw = &adapter->hw;

	int hdrm;

	u8 tc = netdev_get_num_tc(adapter->netdev);



	if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||

	    adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)

		hdrm = 64 << adapter->fdir_pballoc;

		hdrm = 32 << adapter->fdir_pballoc;

	else

		hdrm = 0;



	hw->mac.ops.set_rxpba(&adapter->hw, num_tc, hdrm, PBA_STRATEGY_EQUAL);

	hw->mac.ops.set_rxpba(hw, tc, hdrm, PBA_STRATEGY_EQUAL);

}



static void ixgbe_fdir_filter_restore(struct ixgbe_adapter *adapter)

CRA Git | Maintained and supported by SUSTech CRA and CCSE