net/mlx5: fix tunnel offload hub multi-thread protection

[dpdk.git] / drivers / net / mlx5 / mlx5_flow.h

diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h
index c33c0fee7cba59654e99c737c2e53e7f0befefcc..f64384217fed20e8df5fddef8d3a8b0f9a349317 100644 (file)
--- a/drivers/net/mlx5/mlx5_flow.h
+++ b/drivers/net/mlx5/mlx5_flow.h
@@ -950,8 +950,12 @@ struct mlx5_flow_tunnel {
 
 /** PMD tunnel related context */
 struct mlx5_flow_tunnel_hub {
+       /* Tunnels list
+        * Access to the list MUST be MT protected
+        */
        LIST_HEAD(, mlx5_flow_tunnel) tunnels;
-       rte_spinlock_t sl;                      /* Tunnel list spinlock. */
+        /* protect access to the tunnels list */
+       rte_spinlock_t sl;
        struct mlx5_hlist *groups;              /** non tunnel groups */
 };