[dpdk-dev] [PATCH v2 02/30] net/ixgbe/base: fix clearing SAN MAC address

[Wei Dai]

Receive Address Register (RAR) entries, including SAN MAC address,
are cleared when VMDq pool bits are cleared.
Prevent SAN MAC address to be cleared.

Fixes: af75078fece3 ("first public release")

CC: sta...@dpdk.org

Signed-off-by: Wei Dai <wei....@intel.com>
---
 drivers/net/ixgbe/base/ixgbe_common.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ixgbe/base/ixgbe_common.c 
b/drivers/net/ixgbe/base/ixgbe_common.c
index cca19ef..b2cc6fb 100644
--- a/drivers/net/ixgbe/base/ixgbe_common.c
+++ b/drivers/net/ixgbe/base/ixgbe_common.c
@@ -3764,7 +3764,8 @@ 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);
 done:
        return IXGBE_SUCCESS;
-- 
2.7.4