/*
- * Copyright (c) 2009, 2010 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#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. */
+ bool is_catchall; /* True if this table wildcards every field. */
};
+/* 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)
+{
+ return table->is_catchall;
+}
+
/* A flow classification rule.
*
* Use one of the cls_rule_*() functions to initialize a cls_rule.
void cls_rule_zero_wildcarded_fields(struct cls_rule *);
+bool cls_rule_is_loose_match(const struct cls_rule *rule,
+ const struct cls_rule *criteria);
+
void cls_rule_set_reg(struct cls_rule *, unsigned int reg_idx, uint32_t value);
void cls_rule_set_reg_masked(struct cls_rule *, unsigned int reg_idx,
uint32_t value, uint32_t mask);
-void cls_rule_set_tun_id(struct cls_rule *, ovs_be32 tun_id);
-void cls_rule_set_in_port(struct cls_rule *, uint16_t odp_port);
+void cls_rule_set_metadata(struct cls_rule *, ovs_be64 metadata);
+void cls_rule_set_metadata_masked(struct cls_rule *, ovs_be64 metadata,
+ ovs_be64 mask);
+void cls_rule_set_tun_id(struct cls_rule *, ovs_be64 tun_id);
+void cls_rule_set_tun_id_masked(struct cls_rule *,
+ ovs_be64 tun_id, ovs_be64 mask);
+void cls_rule_set_in_port(struct cls_rule *, uint16_t ofp_port);
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_src_masked(struct cls_rule *, const uint8_t dl_src[6],
+ const uint8_t mask[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_any_vid(struct cls_rule *);
void cls_rule_set_dl_vlan(struct cls_rule *, ovs_be16);
+void cls_rule_set_vlan_vid(struct cls_rule *, ovs_be16);
+void cls_rule_set_vlan_vid_masked(struct cls_rule *,
+ ovs_be16 vid, ovs_be16 mask);
void cls_rule_set_any_pcp(struct cls_rule *);
void cls_rule_set_dl_vlan_pcp(struct cls_rule *, uint8_t);
void cls_rule_set_tp_src(struct cls_rule *, ovs_be16);
+void cls_rule_set_tp_src_masked(struct cls_rule *,
+ ovs_be16 port, ovs_be16 mask);
void cls_rule_set_tp_dst(struct cls_rule *, ovs_be16);
+void cls_rule_set_tp_dst_masked(struct cls_rule *,
+ ovs_be16 port, ovs_be16 mask);
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_sha_masked(struct cls_rule *, const uint8_t[6],
+ const uint8_t [6]);
+void cls_rule_set_arp_tha(struct cls_rule *, const uint8_t[6]);
+void cls_rule_set_arp_tha_masked(struct cls_rule *, const uint8_t[6],
+ 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_ipv6_label_masked(struct cls_rule *, ovs_be32, ovs_be32);
+void cls_rule_set_nd_target(struct cls_rule *, const struct in6_addr *);
+void cls_rule_set_nd_target_masked(struct cls_rule *, const struct in6_addr *,
+ 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 cls_rule_print(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 *);
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); \
+ for (ASSIGN_CONTAINER(RULE, cls_cursor_first(CURSOR), MEMBER); \
&(RULE)->MEMBER != NULL; \
- (RULE) = OBJECT_CONTAINING(cls_cursor_next(CURSOR, \
- &(RULE)->MEMBER), \
- RULE, MEMBER))
+ ASSIGN_CONTAINER(RULE, cls_cursor_next(CURSOR, &(RULE)->MEMBER), \
+ MEMBER))
#define CLS_CURSOR_FOR_EACH_SAFE(RULE, NEXT, MEMBER, CURSOR) \
- for ((RULE) = OBJECT_CONTAINING(cls_cursor_first(CURSOR), \
- RULE, MEMBER); \
+ for (ASSIGN_CONTAINER(RULE, cls_cursor_first(CURSOR), MEMBER); \
(&(RULE)->MEMBER != NULL \
- ? ((NEXT) = OBJECT_CONTAINING(cls_cursor_next(CURSOR, \
- &(RULE)->MEMBER), \
- RULE, MEMBER), 1) \
+ ? ASSIGN_CONTAINER(NEXT, cls_cursor_next(CURSOR, &(RULE)->MEMBER), \
+ MEMBER) \
: 0); \
(RULE) = (NEXT))
+#ifdef __cplusplus
+}
+#endif
+
#endif /* classifier.h */
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