ovn: Add a TODO item for GARP generation.

[cascardo/ovs.git] / lib / flow.c

diff --git a/lib/flow.c b/lib/flow.c
index 0ea2724..2a7116b 100644 (file)
--- a/lib/flow.c
+++ b/lib/flow.c
@@ -136,7 +136,7 @@ BUILD_MESSAGE("FLOW_WC_SEQ changed: miniflow_extract() will have runtime "
 #define ASSERT_FLOWMAP_NOT_SET(FM, IDX)                                 \
 {                                                                       \
     MINIFLOW_ASSERT(!((FM)->bits[(IDX) / MAP_T_BITS] &                  \
-                      (FLOWMAP_MAX << ((IDX) % MAP_T_BITS))));          \
+                      (MAP_MAX << ((IDX) % MAP_T_BITS))));              \
     for (size_t i = (IDX) / MAP_T_BITS + 1; i < FLOWMAP_UNITS; i++) {   \
         MINIFLOW_ASSERT(!(FM)->bits[i]);                                \
     }                                                                   \
@@ -148,8 +148,8 @@ BUILD_MESSAGE("FLOW_WC_SEQ changed: miniflow_extract() will have runtime "
     flowmap_set(&MF.map, (OFS), 1);          \
 }
 
-#define miniflow_assert_in_map(MF, OFS)             \
-    MINIFLOW_ASSERT(FLOWMAP_IS_SET(MF.map, (OFS))); \
+#define miniflow_assert_in_map(MF, OFS)              \
+    MINIFLOW_ASSERT(flowmap_is_set(&MF.map, (OFS))); \
     ASSERT_FLOWMAP_NOT_SET(&MF.map, (OFS) + 1)
 
 #define miniflow_push_uint64_(MF, OFS, VALUE)              \
@@ -199,6 +199,23 @@ BUILD_MESSAGE("FLOW_WC_SEQ changed: miniflow_extract() will have runtime "
     }                                           \
 }
 
+#define miniflow_push_uint8_(MF, OFS, VALUE)            \
+{                                                       \
+    MINIFLOW_ASSERT(MF.data < MF.end);                  \
+                                                        \
+    if ((OFS) % 8 == 0) {                               \
+        miniflow_set_map(MF, OFS / 8);                  \
+        *(uint8_t *)MF.data = VALUE;                    \
+    } else if ((OFS) % 8 == 7) {                        \
+        miniflow_assert_in_map(MF, OFS / 8);            \
+        *((uint8_t *)MF.data + 7) = VALUE;              \
+        MF.data++;                                      \
+    } else {                                            \
+        miniflow_assert_in_map(MF, OFS / 8);            \
+        *((uint8_t *)MF.data + ((OFS) % 8)) = VALUE;    \
+    }                                                   \
+}
+
 #define miniflow_pad_to_64_(MF, OFS)                            \
 {                                                               \
     MINIFLOW_ASSERT((OFS) % 8 != 0);                            \
@@ -208,9 +225,22 @@ BUILD_MESSAGE("FLOW_WC_SEQ changed: miniflow_extract() will have runtime "
     MF.data++;                                                  \
 }
 
+#define miniflow_pad_from_64_(MF, OFS)                          \
+{                                                               \
+    MINIFLOW_ASSERT(MF.data < MF.end);                          \
+                                                                \
+    MINIFLOW_ASSERT((OFS) % 8 != 0);                            \
+    miniflow_set_map(MF, OFS / 8);                              \
+                                                                \
+    memset((uint8_t *)MF.data, 0, (OFS) % 8);                   \
+}
+
 #define miniflow_push_be16_(MF, OFS, VALUE)                     \
     miniflow_push_uint16_(MF, OFS, (OVS_FORCE uint16_t)VALUE);
 
+#define miniflow_push_be8_(MF, OFS, VALUE)                     \
+    miniflow_push_uint8_(MF, OFS, (OVS_FORCE uint8_t)VALUE);
+
 #define miniflow_set_maps(MF, OFS, N_WORDS)                     \
 {                                                               \
     size_t ofs = (OFS);                                         \
@@ -262,9 +292,15 @@ BUILD_MESSAGE("FLOW_WC_SEQ changed: miniflow_extract() will have runtime "
 #define miniflow_push_be16(MF, FIELD, VALUE)                        \
     miniflow_push_be16_(MF, offsetof(struct flow, FIELD), VALUE)
 
+#define miniflow_push_uint8(MF, FIELD, VALUE)                      \
+    miniflow_push_uint8_(MF, offsetof(struct flow, FIELD), VALUE)
+
 #define miniflow_pad_to_64(MF, FIELD)                       \
     miniflow_pad_to_64_(MF, OFFSETOFEND(struct flow, FIELD))
 
+#define miniflow_pad_from_64(MF, FIELD)                       \
+    miniflow_pad_from_64_(MF, offsetof(struct flow, FIELD))
+
 #define miniflow_push_words(MF, FIELD, VALUEP, N_WORDS)                 \
     miniflow_push_words_(MF, offsetof(struct flow, FIELD), VALUEP, N_WORDS)