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authorXiaolong Ye <xiaolong.ye@intel.com>2018-10-26 14:33:14 +0800
committerFerruh Yigit <ferruh.yigit@intel.com>2018-11-05 15:01:25 +0100
commit09a62d75691fb935c7767d51b750df5910825985 (patch)
treecd6b133e82327d3dc9e48af6957958ee58d63907 /drivers/net/i40e
parentc1ab6874cd1b44d7ad15ce21f77882b256d2740d (diff)
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net/i40e: fix offload not supported mask
Just as the name I40E_TX_OFFLOAD_NOTSUP_MASK indicates, it should be the mask of unsupported features (either not in PKT_TX_OFFLOAD_MASK or in I40E_TX_OFFLOAD_MASK), however, xor will not get desired result here, assume bit 0 of PKT_TX_OFFLOAD_MASK and I40E_TX_OFFLOAD_MAKS are 0 which means corresponding feature is not supported in both sides, then we get value of bit 0 of I40E_TX_OFFLOAD_NOTSUP_MASK which is 0 via xor, it implies that it is supported which doesn't meet our expectation. Correct it by a NOT-AND operation. Fixes: 3f33e643e5c6 ("net/i40e: add Tx preparation") Cc: stable@dpdk.org Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com> Acked-by: Qi Zhang <qi.z.zhang@intel.com>
Diffstat (limited to 'drivers/net/i40e')
-rw-r--r--drivers/net/i40e/i40e_rxtx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 8bfa251..e764122 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -69,7 +69,7 @@
I40E_TX_IEEE1588_TMST)
#define I40E_TX_OFFLOAD_NOTSUP_MASK \
- (PKT_TX_OFFLOAD_MASK ^ I40E_TX_OFFLOAD_MASK)
+ ~(PKT_TX_OFFLOAD_MASK & I40E_TX_OFFLOAD_MASK)
static inline void
i40e_rxd_to_vlan_tci(struct rte_mbuf *mb, volatile union i40e_rx_desc *rxdp)