X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fmeta-flow.c;h=fd33726e71bf0245563e8e4a87992572952fa139;hb=9bab681f33e09882e8f652c8e96a2b998b3ef9b3;hp=0de9b4557b2551aec35b2c72b19a327e65c1706b;hpb=beffe87554210fb43be20eb23251c87e5eb4b529;p=sliver-openvswitch.git

diff --git a/lib/meta-flow.c b/lib/meta-flow.c
index 0de9b4557..fd33726e7 100644
--- a/lib/meta-flow.c
+++ b/lib/meta-flow.c
@@ -2153,6 +2153,22 @@ mf_format(const struct mf_field *mf,
     }
 }
 
+/* Makes subfield 'sf' within 'flow' exactly match the 'sf->n_bits'
+ * least-significant bits in 'x'.
+ */
+void
+mf_write_subfield_flow(const struct mf_subfield *sf,
+                       const union mf_subvalue *x, struct flow *flow)
+{
+    const struct mf_field *field = sf->field;
+    union mf_value value;
+
+    mf_get_value(field, flow, &value);
+    bitwise_copy(x, sizeof *x, sf->ofs, &value, field->n_bytes,
+                 sf->ofs, sf->n_bits);
+    mf_set_flow_value(field, &value, flow);
+}
+
 /* Makes subfield 'sf' within 'match' exactly match the 'sf->n_bits'
  * least-significant bits in 'x'.
  */
@@ -2335,3 +2351,20 @@ mf_parse_subfield(struct mf_subfield *sf, const char *s)
     }
     return s;
 }
+
+void
+mf_format_subvalue(const union mf_subvalue *subvalue, struct ds *s)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(subvalue->u8); i++) {
+        if (subvalue->u8[i]) {
+            ds_put_format(s, "0x%"PRIx8, subvalue->u8[i]);
+            for (i++; i < ARRAY_SIZE(subvalue->u8); i++) {
+                ds_put_format(s, "%02"PRIx8, subvalue->u8[i]);
+            }
+            return;
+        }
+    }
+    ds_put_char(s, '0');
+}