X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fmlx5%2Fmlx5.h;fp=drivers%2Fnet%2Fmlx5%2Fmlx5.h;h=0ffb9401920cf6189b9393cb92af52bafb4c760a;hb=5076209fa6f4affdf93f4d2f23f51a427f64f72b;hp=79b7a6008fa68bcaaca8b513c5c6a38bb63dd252;hpb=68f5e9d7d40c36c6ea398953af7e56519928ea78;p=deb_dpdk.git

diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index 79b7a600..0ffb9401 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -160,6 +160,22 @@ priv_lock(struct priv *priv)
 	rte_spinlock_lock(&priv->lock);
 }
 
+/**
+ * Try to lock private structure to protect it from concurrent access in the
+ * control path.
+ *
+ * @param priv
+ *   Pointer to private structure.
+ *
+ * @return
+ *   1 if the lock is successfully taken; 0 otherwise.
+ */
+static inline int
+priv_trylock(struct priv *priv)
+{
+	return rte_spinlock_trylock(&priv->lock);
+}
+
 /**
  * Unlock private structure.
  *