#include "openflow/nicira-ext.h"
#include "openflow/openflow.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/* A flow classifier. */
struct classifier {
int n_rules; /* Total number of rules. */
/* A set of rules that all have the same fields wildcarded. */
struct cls_table {
- struct hmap_node hmap_node; /* Within struct classifier 'wctables'. */
+ struct hmap_node hmap_node; /* Within struct classifier 'tables' hmap. */
struct hmap rules; /* Contains "struct cls_rule"s. */
struct flow_wildcards wc; /* Wildcards for fields. */
int n_table_rules; /* Number of rules, including duplicates. */
};
+/* Returns true if 'table' is a "catch-all" table that will match every
+ * packet (if there is no higher-priority match). */
+static inline bool
+cls_table_is_catchall(const struct cls_table *table)
+{
+ /* A catch-all table can only have one rule, so use hmap_count() as a cheap
+ * check to rule out other kinds of match before doing the full check with
+ * flow_wildcards_is_catchall(). */
+ return (hmap_count(&table->rules) == 1
+ && flow_wildcards_is_catchall(&table->wc));
+}
+
/* A flow classification rule.
*
* Use one of the cls_rule_*() functions to initialize a cls_rule.
void cls_rule_set_dl_type(struct cls_rule *, ovs_be16);
void cls_rule_set_dl_src(struct cls_rule *, const uint8_t[6]);
void cls_rule_set_dl_dst(struct cls_rule *, const uint8_t[6]);
+void cls_rule_set_dl_dst_masked(struct cls_rule *, const uint8_t dl_dst[6],
+ const uint8_t mask[6]);
void cls_rule_set_dl_tci(struct cls_rule *, ovs_be16 tci);
void cls_rule_set_dl_tci_masked(struct cls_rule *,
ovs_be16 tci, ovs_be16 mask);
void cls_rule_set_tp_dst(struct cls_rule *, ovs_be16);
void cls_rule_set_nw_proto(struct cls_rule *, uint8_t);
void cls_rule_set_nw_src(struct cls_rule *, ovs_be32);
-bool cls_rule_set_nw_src_masked(struct cls_rule *, ovs_be32 ip, ovs_be32 mask);
+void cls_rule_set_nw_src_masked(struct cls_rule *, ovs_be32 ip, ovs_be32 mask);
void cls_rule_set_nw_dst(struct cls_rule *, ovs_be32);
-bool cls_rule_set_nw_dst_masked(struct cls_rule *, ovs_be32 ip, ovs_be32 mask);
-void cls_rule_set_nw_tos(struct cls_rule *, uint8_t);
+void cls_rule_set_nw_dst_masked(struct cls_rule *, ovs_be32 ip, ovs_be32 mask);
+void cls_rule_set_nw_dscp(struct cls_rule *, uint8_t);
+void cls_rule_set_nw_ecn(struct cls_rule *, uint8_t);
+void cls_rule_set_nw_ttl(struct cls_rule *, uint8_t);
+void cls_rule_set_nw_frag(struct cls_rule *, uint8_t nw_frag);
+void cls_rule_set_nw_frag_masked(struct cls_rule *,
+ uint8_t nw_frag, uint8_t mask);
void cls_rule_set_icmp_type(struct cls_rule *, uint8_t);
void cls_rule_set_icmp_code(struct cls_rule *, uint8_t);
void cls_rule_set_arp_sha(struct cls_rule *, const uint8_t[6]);
void cls_rule_set_arp_tha(struct cls_rule *, const uint8_t[6]);
+void cls_rule_set_ipv6_src(struct cls_rule *, const struct in6_addr *);
+void cls_rule_set_ipv6_src_masked(struct cls_rule *, const struct in6_addr *,
+ const struct in6_addr *);
+void cls_rule_set_ipv6_dst(struct cls_rule *, const struct in6_addr *);
+void cls_rule_set_ipv6_dst_masked(struct cls_rule *, const struct in6_addr *,
+ const struct in6_addr *);
+void cls_rule_set_ipv6_label(struct cls_rule *, ovs_be32);
+void cls_rule_set_nd_target(struct cls_rule *, const struct in6_addr *);
bool cls_rule_equal(const struct cls_rule *, const struct cls_rule *);
+uint32_t cls_rule_hash(const struct cls_rule *, uint32_t basis);
void cls_rule_format(const struct cls_rule *, struct ds *);
char *cls_rule_to_string(const struct cls_rule *);
void classifier_destroy(struct classifier *);
bool classifier_is_empty(const struct classifier *);
int classifier_count(const struct classifier *);
-struct cls_rule *classifier_insert(struct classifier *, struct cls_rule *);
+void classifier_insert(struct classifier *, struct cls_rule *);
+struct cls_rule *classifier_replace(struct classifier *, struct cls_rule *);
void classifier_remove(struct classifier *, struct cls_rule *);
struct cls_rule *classifier_lookup(const struct classifier *,
const struct flow *);
: 0); \
(RULE) = (NEXT))
+#ifdef __cplusplus
+}
+#endif
+
#endif /* classifier.h */