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authorAlexander Duyck <alexander.h.duyck@intel.com>2016-08-20 03:58:26 (GMT)
committerDavid S. Miller <davem@davemloft.net>2016-08-20 05:25:24 (GMT)
commitc10ac75aeed2d8486a73a316ac3a08f85d140894 (patch)
treeda9268f2aa74a755acfac3e8aa6d88cb48b1c9b9 /drivers/net
parent8912862f067276b480c4fed9da74c9c5601130a6 (diff)
downloadlinux-c10ac75aeed2d8486a73a316ac3a08f85d140894.tar.xz
ixgbe: Do not clear RAR entry when clearing VMDq for SAN MAC
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_common.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index b4217f3..c47b605 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -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;
}