/*
- * Copyright (c) 2010, 2011, 2012 Nicira, Inc.
+ * Copyright (c) 2010, 2011, 2012, 2013, 2014, 2016 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 <stdint.h>
#include <sys/types.h>
#include <netinet/in.h>
+#include "compiler.h"
#include "flow.h"
+#include "meta-flow.h"
#include "ofp-errors.h"
#include "openvswitch/types.h"
-#include "ofp-errors.h"
-struct cls_rule;
struct ds;
-struct flow;
-struct mf_subfield;
+struct match;
struct ofpact_reg_move;
struct ofpact_reg_load;
+struct ofpact_stack;
struct ofpbuf;
struct nx_action_reg_load;
struct nx_action_reg_move;
+
/* Nicira Extended Match (NXM) flexible flow match helper functions.
*
* See include/openflow/nicira-ext.h for NXM specification.
*/
+void mf_format_subfield(const struct mf_subfield *, struct ds *);
+char *mf_parse_subfield__(struct mf_subfield *sf, const char **s)
+ OVS_WARN_UNUSED_RESULT;
+char *mf_parse_subfield(struct mf_subfield *, const char *s)
+ OVS_WARN_UNUSED_RESULT;
+
+/* Decoding matches. */
enum ofperr nx_pull_match(struct ofpbuf *, unsigned int match_len,
- uint16_t priority, struct cls_rule *,
+ struct match *,
ovs_be64 *cookie, ovs_be64 *cookie_mask);
enum ofperr nx_pull_match_loose(struct ofpbuf *, unsigned int match_len,
- uint16_t priority,
- struct cls_rule *, ovs_be64 *cookie,
+ struct match *, ovs_be64 *cookie,
ovs_be64 *cookie_mask);
-enum ofperr oxm_pull_match(struct ofpbuf *, uint16_t priority,
- struct cls_rule *);
-enum ofperr oxm_pull_match_loose(struct ofpbuf *, uint16_t priority,
- struct cls_rule *);
-int nx_put_match(struct ofpbuf *, const struct cls_rule *,
+enum ofperr oxm_pull_match(struct ofpbuf *, struct match *);
+enum ofperr oxm_pull_match_loose(struct ofpbuf *, struct match *);
+enum ofperr oxm_decode_match(const void *, size_t, struct match *);
+enum ofperr oxm_pull_field_array(const void *, size_t fields_len,
+ struct field_array *);
+
+/* Encoding matches. */
+int nx_put_match(struct ofpbuf *, const struct match *,
ovs_be64 cookie, ovs_be64 cookie_mask);
-int oxm_put_match(struct ofpbuf *, const struct cls_rule *);
+int oxm_put_match(struct ofpbuf *, const struct match *, enum ofp_version);
+void oxm_put_raw(struct ofpbuf *, const struct match *, enum ofp_version);
+void oxm_format_field_array(struct ds *, const struct field_array *);
+int oxm_put_field_array(struct ofpbuf *, const struct field_array *,
+ enum ofp_version version);
+
+/* Decoding and encoding OXM/NXM headers (just a field ID) or entries (a field
+ * ID followed by a value and possibly a mask). */
+enum ofperr nx_pull_entry(struct ofpbuf *, const struct mf_field **,
+ union mf_value *value, union mf_value *mask);
+enum ofperr nx_pull_header(struct ofpbuf *, const struct mf_field **,
+ bool *masked);
+void nxm_put__(struct ofpbuf *b, enum mf_field_id field,
+ enum ofp_version version, const void *value,
+ const void *mask, size_t n_bytes);
+void nx_put_entry(struct ofpbuf *, enum mf_field_id, enum ofp_version,
+ const union mf_value *value, const union mf_value *mask);
+void nx_put_header(struct ofpbuf *, enum mf_field_id, enum ofp_version,
+ bool masked);
+
+/* NXM and OXM protocol headers values.
+ *
+ * These are often alternatives to nx_pull_entry/header() and
+ * nx_put_entry/header() for decoding and encoding OXM/NXM. In those cases,
+ * the nx_*() functions should be preferred because they can support the 64-bit
+ * "experimenter" OXM format (even though it is not yet implemented). */
+uint32_t mf_nxm_header(enum mf_field_id);
+const struct mf_field *mf_from_nxm_header(uint32_t nxm_header);
char *nx_match_to_string(const uint8_t *, unsigned int match_len);
-char *oxm_match_to_string(const uint8_t *, unsigned int match_len);
+char *oxm_match_to_string(const struct ofpbuf *, unsigned int match_len);
int nx_match_from_string(const char *, struct ofpbuf *);
int oxm_match_from_string(const char *, struct ofpbuf *);
-void nxm_parse_reg_move(struct ofpact_reg_move *, const char *);
-void nxm_parse_reg_load(struct ofpact_reg_load *, const char *);
+void nx_format_field_name(enum mf_field_id, enum ofp_version, struct ds *);
-void nxm_format_reg_move(const struct ofpact_reg_move *, struct ds *);
-void nxm_format_reg_load(const struct ofpact_reg_load *, struct ds *);
+char *nxm_parse_reg_move(struct ofpact_reg_move *, const char *)
+ OVS_WARN_UNUSED_RESULT;
-enum ofperr nxm_reg_move_from_openflow(const struct nx_action_reg_move *,
- struct ofpbuf *ofpacts);
-enum ofperr nxm_reg_load_from_openflow(const struct nx_action_reg_load *,
- struct ofpbuf *ofpacts);
+void nxm_format_reg_move(const struct ofpact_reg_move *, struct ds *);
enum ofperr nxm_reg_move_check(const struct ofpact_reg_move *,
const struct flow *);
-enum ofperr nxm_reg_load_check(const struct ofpact_reg_load *,
- const struct flow *);
-
-void nxm_reg_move_to_nxast(const struct ofpact_reg_move *,
- struct ofpbuf *openflow);
-void nxm_reg_load_to_nxast(const struct ofpact_reg_load *,
- struct ofpbuf *openflow);
-void nxm_execute_reg_move(const struct ofpact_reg_move *, struct flow *);
-void nxm_execute_reg_load(const struct ofpact_reg_load *, struct flow *);
+void nxm_execute_reg_move(const struct ofpact_reg_move *, struct flow *,
+ struct flow_wildcards *);
void nxm_reg_load(const struct mf_subfield *, uint64_t src_data,
- struct flow *);
+ struct flow *, struct flow_wildcards *);
+
+char *nxm_parse_stack_action(struct ofpact_stack *, const char *)
+ OVS_WARN_UNUSED_RESULT;
+
+void nxm_format_stack_push(const struct ofpact_stack *, struct ds *);
+void nxm_format_stack_pop(const struct ofpact_stack *, struct ds *);
+
+enum ofperr nxm_stack_push_check(const struct ofpact_stack *,
+ const struct flow *);
+enum ofperr nxm_stack_pop_check(const struct ofpact_stack *,
+ const struct flow *);
-int nxm_field_bytes(uint32_t header);
-int nxm_field_bits(uint32_t header);
+void nxm_execute_stack_push(const struct ofpact_stack *,
+ const struct flow *, struct flow_wildcards *,
+ struct ofpbuf *);
+void nxm_execute_stack_pop(const struct ofpact_stack *,
+ struct flow *, struct flow_wildcards *,
+ struct ofpbuf *);
+
+ovs_be64 oxm_bitmap_from_mf_bitmap(const struct mf_bitmap *, enum ofp_version);
+struct mf_bitmap oxm_bitmap_to_mf_bitmap(ovs_be64 oxm_bitmap,
+ enum ofp_version);
+struct mf_bitmap oxm_writable_fields(void);
+struct mf_bitmap oxm_matchable_fields(void);
+struct mf_bitmap oxm_maskable_fields(void);
/* Dealing with the 'ofs_nbits' members in several Nicira extensions. */
projects / cascardo / ovs.git / blobdiff