[dpdk-dev] [PATCH v2 02/30] net/ixgbe/base: fix clearing SAN MAC address
Wei Dai
wei.dai at intel.com
Wed Dec 21 10:47:46 CET 2016
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: stable at dpdk.org
Signed-off-by: Wei Dai <wei.dai at 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
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