X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=lib%2Fmeta-flow.h;h=1fecc15caf18e1ec06b1c39273d3028f300c7d33;hb=be812f2d2b0c948e5f52017c4df79645809fcb90;hp=0967633f53b887a3875281ed1cbe14a58c480748;hpb=969fc56c2abb0c3a1bf0225032250aa537df55a3;p=openvswitch

diff --git a/lib/meta-flow.h b/lib/meta-flow.h
index 0967633f..1fecc15c 100644
--- a/lib/meta-flow.h
+++ b/lib/meta-flow.h
@@ -58,9 +58,6 @@ enum mf_field_id {
 #endif
 #if FLOW_N_REGS > 7
     MFF_REG7,                   /* be32 */
-#endif
-#if FLOW_N_REGS > 8
-#error
 #endif
 
     /* L2. */
@@ -113,6 +110,40 @@ enum mf_field_id {
     MFF_N_IDS
 };
 
+/* Use this macro as CASE_MFF_REGS: in a switch statement to choose all of the
+ * MFF_REGx cases. */
+#if FLOW_N_REGS == 1
+# define CASE_MFF_REGS                                          \
+    case MFF_REG0
+#elif FLOW_N_REGS == 2
+# define CASE_MFF_REGS                                          \
+    case MFF_REG0: case MFF_REG1
+#elif FLOW_N_REGS == 3
+# define CASE_MFF_REGS                                          \
+    case MFF_REG0: case MFF_REG1: case MFF_REG2
+#elif FLOW_N_REGS == 4
+# define CASE_MFF_REGS                                          \
+    case MFF_REG0: case MFF_REG1: case MFF_REG2: case MFF_REG3
+#elif FLOW_N_REGS == 5
+# define CASE_MFF_REGS                                          \
+    case MFF_REG0: case MFF_REG1: case MFF_REG2: case MFF_REG3: \
+    case MFF_REG4
+#elif FLOW_N_REGS == 6
+# define CASE_MFF_REGS                                          \
+    case MFF_REG0: case MFF_REG1: case MFF_REG2: case MFF_REG3: \
+    case MFF_REG4: case MFF_REG5
+#elif FLOW_N_REGS == 7
+# define CASE_MFF_REGS                                          \
+    case MFF_REG0: case MFF_REG1: case MFF_REG2: case MFF_REG3: \
+    case MFF_REG4: case MFF_REG5: case MFF_REG6
+#elif FLOW_N_REGS == 8
+# define CASE_MFF_REGS                                          \
+    case MFF_REG0: case MFF_REG1: case MFF_REG2: case MFF_REG3: \
+    case MFF_REG4: case MFF_REG5: case MFF_REG6: case MFF_REG7
+#else
+# error
+#endif
+
 /* Prerequisites for matching a field.
  *
  * A field may only be matched if the correct lower-level protocols are also
@@ -287,10 +318,6 @@ void mf_random_value(const struct mf_field *, union mf_value *value);
 /* Subfields. */
 void mf_write_subfield(const struct mf_subfield *, const union mf_subvalue *,
                        struct cls_rule *);
-void mf_set_subfield(const struct mf_subfield *, uint64_t value,
-                     struct cls_rule *);
-void mf_set_subfield_value(const struct mf_subfield *, uint64_t value,
-                           struct flow *);
 
 void mf_read_subfield(const struct mf_subfield *, const struct flow *,
                       union mf_subvalue *);