[PATCH v2 6/7] net/ixgbe: fix missing HW write in IPsec

[Anatoly Burakov <anatoly.burakov@intel.com>]

When removing an SA and finding ourselves with zero refcount on an IP table
entry, we zero out the IP table registers, but do not write them. Add the
missing write.

Fixes: 9a0752f498d2 ("net/ixgbe: enable inline IPsec")
Cc: radu.nicolau@intel.com
Cc: stable@dpdk.org

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Acked-by: Radu Nicolau <radu.nicolau@intel.com>
---
 drivers/net/intel/ixgbe/ixgbe_ipsec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/intel/ixgbe/ixgbe_ipsec.c
index f026a41690..4fe4dc9ba0 100644
--- a/drivers/net/intel/ixgbe/ixgbe_ipsec.c
+++ b/drivers/net/intel/ixgbe/ixgbe_ipsec.c
@@ -318,6 +318,7 @@ ixgbe_crypto_remove_sa(struct ixgbe_crypto_session *ic_session)
 			IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(1), 0);
 			IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(2), 0);
 			IXGBE_WRITE_REG(hw, IXGBE_IPSRXIPADDR(3), 0);
+			IXGBE_WAIT_RWRITE;
 		}
 	} else { /* session->dir == RTE_CRYPTO_OUTBOUND */
 		int i;
-- 
2.52.0