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Commit 91152c32 authored by Shannon Nelson's avatar Shannon Nelson Committed by David S. Miller
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ixgbe: Fix Receive Address Register (RAR) cleaning and accounting 



This fixes an issue when clearing out the RAR entries.  If RAR[0]
is the only address in use, don't clear the others.

Signed-off-by: default avatarShannon Nelson <shannon.nelson@intel.com>
Signed-off-by: default avatarPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 000c486d

drivers/net/ixgbe/ixgbe_common.c

+4 −4
Original line number Diff line number Diff line
@@ -1382,10 +1382,10 @@ s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, 
	hw->addr_ctrl.overflow_promisc = 0;



	/* Zero out the other receive addresses */

	hw_dbg(hw, "Clearing RAR[1-%d]\n", uc_addr_in_use);

	for (i = 1; i <= uc_addr_in_use; i++) {

		IXGBE_WRITE_REG(hw, IXGBE_RAL(i), 0);

		IXGBE_WRITE_REG(hw, IXGBE_RAH(i), 0);

	hw_dbg(hw, "Clearing RAR[1-%d]\n", uc_addr_in_use + 1);

	for (i = 0; i < uc_addr_in_use; i++) {

		IXGBE_WRITE_REG(hw, IXGBE_RAL(1+i), 0);

		IXGBE_WRITE_REG(hw, IXGBE_RAH(1+i), 0);

	}



	/* Add the new addresses */