[dpdk-stable] [PATCH 8/8] net/e1000: correct offload not supported mask

[Xiaolong Ye]

Previously XXX_TX_OFFLOAD_NOTSUP_MASK is obtained via xor which would lead
to unexpected result, correct it by using a NOT-AND operation.

Fixes: 2b76648872c9 ("net/e1000: add Tx preparation")

Cc: tomaszx.kulasek at intel.com
Cc: stable at dpdk.org
Signed-off-by: Xiaolong Ye <xiaolong.ye at intel.com>
---
 drivers/net/e1000/em_rxtx.c  | 2 +-
 drivers/net/e1000/igb_rxtx.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/e1000/em_rxtx.c b/drivers/net/e1000/em_rxtx.c
index a9cd76518..c3fd2cd6e 100644
--- a/drivers/net/e1000/em_rxtx.c
+++ b/drivers/net/e1000/em_rxtx.c
@@ -55,7 +55,7 @@
 		PKT_TX_VLAN_PKT)
 
 #define E1000_TX_OFFLOAD_NOTSUP_MASK \
-		(PKT_TX_OFFLOAD_MASK ^ E1000_TX_OFFLOAD_MASK)
+		~(PKT_TX_OFFLOAD_MASK & E1000_TX_OFFLOAD_MASK)
 
 /**
  * Structure associated with each descriptor of the RX ring of a RX queue.
diff --git a/drivers/net/e1000/igb_rxtx.c b/drivers/net/e1000/igb_rxtx.c
index 25ff5f68f..055dff102 100644
--- a/drivers/net/e1000/igb_rxtx.c
+++ b/drivers/net/e1000/igb_rxtx.c
@@ -57,7 +57,7 @@
 		IGB_TX_IEEE1588_TMST)
 
 #define IGB_TX_OFFLOAD_NOTSUP_MASK \
-		(PKT_TX_OFFLOAD_MASK ^ IGB_TX_OFFLOAD_MASK)
+		~(PKT_TX_OFFLOAD_MASK & IGB_TX_OFFLOAD_MASK)
 
 /**
  * Structure associated with each descriptor of the RX ring of a RX queue.
-- 
2.17.1