diff mbox

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

Message ID 1482313694-31602-3-git-send-email-wei.dai@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel compilation success Compilation OK

Commit Message

Wei Dai Dec. 21, 2016, 9:47 a.m. UTC 
  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@dpdk.org

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

Patch

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;