X-Git-Url: http://git.onelab.eu/?p=sliver-openvswitch.git;a=blobdiff_plain;f=lib%2Fflow.h;h=36d453ae4a97d6cec2c96355eb17d001dc5f6485;hp=f0e3a3481d334cf3ef9c7e33798f4048130271d0;hb=d4570fd8ba5f36f21b9b631628e812de0189fa20;hpb=cabd4c43854275943792a8b1bb4c7b719e210259

diff --git a/lib/flow.h b/lib/flow.h
index f0e3a3481..36d453ae4 100644
--- a/lib/flow.h
+++ b/lib/flow.h
@@ -484,7 +484,17 @@ static inline ovs_be64 minimask_get_metadata_mask(const struct minimask *);
 
 bool minimask_equal(const struct minimask *a, const struct minimask *b);
 bool minimask_has_extra(const struct minimask *, const struct minimask *);
-bool minimask_is_catchall(const struct minimask *);
+
+/* Returns true if 'mask' matches every packet, false if 'mask' fixes any bits
+ * or fields. */
+static inline bool
+minimask_is_catchall(const struct minimask *mask)
+{
+    /* For every 1-bit in mask's map, the corresponding value is non-zero,
+     * so the only way the mask can not fix any bits or fields is for the
+     * map the be zero. */
+    return mask->masks.map == 0;
+}