flow: Adds support for arbitrary ethernet masking

[cascardo/ovs.git] / lib / meta-flow.h

diff --git a/lib/meta-flow.h b/lib/meta-flow.h
index 662778c..29e3fa7 100644 (file)
--- a/lib/meta-flow.h
+++ b/lib/meta-flow.h
@@ -144,8 +144,7 @@ enum mf_prereqs {
 enum mf_maskable {
     MFM_NONE,                   /* No sub-field masking. */
     MFM_FULLY,                  /* Every bit is individually maskable. */
-    MFM_CIDR,                   /* Contiguous low-order bits may be masked. */
-    MFM_MCAST                   /* Byte 0, bit 0 is separately maskable. */
+    MFM_CIDR                    /* Contiguous low-order bits may be masked. */
 };
 
 /* How to format or parse a field's value. */
@@ -264,6 +263,7 @@ void mf_set_value(const struct mf_field *, const union mf_value *value,
                   struct cls_rule *);
 void mf_set_flow_value(const struct mf_field *, const union mf_value *value,
                        struct flow *);
+bool mf_is_zero(const struct mf_field *, const struct flow *);
 
 void mf_get(const struct mf_field *, const struct cls_rule *,
             union mf_value *value, union mf_value *mask);