struct hmap rules; /* Contains "struct cls_rule"s. */
struct flow_wildcards wc; /* Wildcards for fields. */
int n_table_rules; /* Number of rules, including duplicates. */
- int n_refs; /* Reference count used during iteration. */
};
/* A flow classification rule.
unsigned int priority, struct cls_rule *);
void cls_rule_init_exact(const struct flow *, unsigned int priority,
struct cls_rule *);
-void cls_rule_from_match(const struct ofp_match *, unsigned int priority,
- int flow_format, uint64_t cookie, struct cls_rule *);
void cls_rule_init_catchall(struct cls_rule *, unsigned int priority);
void cls_rule_zero_wildcarded_fields(struct cls_rule *);
void cls_rule_set_icmp_type(struct cls_rule *, uint8_t);
void cls_rule_set_icmp_code(struct cls_rule *, uint8_t);
+bool cls_rule_equal(const struct cls_rule *, const struct cls_rule *);
+
char *cls_rule_to_string(const struct cls_rule *);
void cls_rule_print(const struct cls_rule *);
typedef void cls_cb_func(struct cls_rule *, void *aux);
-void classifier_for_each(const struct classifier *,
- cls_cb_func *, void *aux);
-void classifier_for_each_match(const struct classifier *,
- const struct cls_rule *,
- cls_cb_func *, void *aux);
struct cls_rule *classifier_find_rule_exactly(const struct classifier *,
const struct cls_rule *);
+\f
+/* Iteration. */
+
+struct cls_cursor {
+ const struct classifier *cls;
+ const struct cls_table *table;
+ const struct cls_rule *target;
+};
+
+void cls_cursor_init(struct cls_cursor *, const struct classifier *,
+ const struct cls_rule *match);
+struct cls_rule *cls_cursor_first(struct cls_cursor *);
+struct cls_rule *cls_cursor_next(struct cls_cursor *, struct cls_rule *);
+
+#define CLS_CURSOR_FOR_EACH(RULE, MEMBER, CURSOR) \
+ for ((RULE) = OBJECT_CONTAINING(cls_cursor_first(CURSOR), \
+ RULE, MEMBER); \
+ &(RULE)->MEMBER != NULL; \
+ (RULE) = OBJECT_CONTAINING(cls_cursor_next(CURSOR, \
+ &(RULE)->MEMBER), \
+ RULE, MEMBER))
+
+#define CLS_CURSOR_FOR_EACH_SAFE(RULE, NEXT, MEMBER, CURSOR) \
+ for ((RULE) = OBJECT_CONTAINING(cls_cursor_first(CURSOR), \
+ RULE, MEMBER); \
+ (&(RULE)->MEMBER != NULL \
+ ? ((NEXT) = OBJECT_CONTAINING(cls_cursor_next(CURSOR, \
+ &(RULE)->MEMBER), \
+ RULE, MEMBER), 1) \
+ : 0); \
+ (RULE) = (NEXT))
#endif /* classifier.h */