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ixgbe: Do not clear RAR entry when clearing VMDq for SAN MAC

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The RAR entry for the SAN MAC address was being cleared when we were
clearing the VMDq pool bits.  In order to prevent this we need to add
an extra check to protect the SAN MAC from being cleared.

Fixes: 6e982aeae ("ixgbe: Clear stale pool mappings")
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck 2016-08-19 20:58:26 -07:00 committed by David S. Miller
parent 8912862f06
commit c10ac75aee
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
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@ -2958,8 +2958,10 @@ s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
}
/* was that the last pool using this rar? */
if (mpsar_lo == 0 && mpsar_hi == 0 && rar != 0)
if (mpsar_lo == 0 && mpsar_hi == 0 &&
rar != 0 && rar != hw->mac.san_mac_rar_index)
hw->mac.ops.clear_rar(hw, rar);
return 0;
}