mlx5: Fix flow tag mask

[ Upstream commit 484a7aa ]

Flow tag is 24 bits so the mask should be 0x00ffffff instead of
0x000fffff. 20 bits mask caused loss of MSBs in read_flow_tag().

Fixes: 02e8f9d ("mlx5: Add read_flow_tag implementation")
Cc: stable@linux-rdma.org
Signed-off-by: Daria Velikovsky <daria@mellanox.com>
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Nicolas Morey-Chaisemartin <nmoreychaisemartin@suse.com>

Author: dariavel

providers/mlx5/mlx5.h

@@ -189,7 +189,7 @@ enum mlx5_vendor_cap_flags {
 };
 
 enum {
-	MLX5_FLOW_TAG_MASK	= 0x000fffff,
+	MLX5_FLOW_TAG_MASK	= 0x00ffffff,
 };
 
 struct mlx5_resource {