Merge 'next' into 'master'.

[sliver-openvswitch.git] / lib / ofp-util.h

diff --git a/lib/ofp-util.h b/lib/ofp-util.h
index e121002..975d8d2 100644 (file)
--- a/lib/ofp-util.h
+++ b/lib/ofp-util.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -71,12 +71,10 @@ enum ofputil_msg_code {
     OFPUTIL_OFPST_AGGREGATE_REPLY,
 
     /* NXT_* messages. */
-    OFPUTIL_NXT_STATUS_REQUEST,
-    OFPUTIL_NXT_STATUS_REPLY,
-    OFPUTIL_NXT_TUN_ID_FROM_COOKIE,
     OFPUTIL_NXT_ROLE_REQUEST,
     OFPUTIL_NXT_ROLE_REPLY,
     OFPUTIL_NXT_SET_FLOW_FORMAT,
+    OFPUTIL_NXT_FLOW_MOD_TABLE_ID,
     OFPUTIL_NXT_FLOW_MOD,
     OFPUTIL_NXT_FLOW_REMOVED,
 
@@ -102,27 +100,29 @@ int ofputil_netmask_to_wcbits(ovs_be32 netmask);
 
 /* Work with OpenFlow 1.0 ofp_match. */
 void ofputil_cls_rule_from_match(const struct ofp_match *,
-                                 unsigned int priority, enum nx_flow_format,
-                                 ovs_be64 cookie, struct cls_rule *);
-void ofputil_cls_rule_to_match(const struct cls_rule *, enum nx_flow_format,
-                               struct ofp_match *);
-void normalize_match(struct ofp_match *);
-char *ofp_match_to_literal_string(const struct ofp_match *match);
+                                 unsigned int priority, struct cls_rule *);
+void ofputil_cls_rule_to_match(const struct cls_rule *, struct ofp_match *);
+
+/* dl_type translation between OpenFlow and 'struct flow' format. */
+ovs_be16 ofputil_dl_type_to_openflow(ovs_be16 flow_dl_type);
+ovs_be16 ofputil_dl_type_from_openflow(ovs_be16 ofp_dl_type);
 
 /* Flow formats. */
 bool ofputil_flow_format_is_valid(enum nx_flow_format);
 const char *ofputil_flow_format_to_string(enum nx_flow_format);
 int ofputil_flow_format_from_string(const char *);
-enum nx_flow_format ofputil_min_flow_format(const struct cls_rule *,
-                                            bool cookie_support,
-                                            ovs_be64 cookie);
+enum nx_flow_format ofputil_min_flow_format(const struct cls_rule *);
 
 struct ofpbuf *ofputil_make_set_flow_format(enum nx_flow_format);
 
+/* NXT_FLOW_MOD_TABLE_ID extension. */
+struct ofpbuf *ofputil_make_flow_mod_table_id(bool flow_mod_table_id);
+
 /* Flow format independent flow_mod. */
 struct flow_mod {
     struct cls_rule cr;
     ovs_be64 cookie;
+    uint8_t table_id;
     uint16_t command;
     uint16_t idle_timeout;
     uint16_t hard_timeout;
@@ -134,9 +134,10 @@ struct flow_mod {
 };
 
 int ofputil_decode_flow_mod(struct flow_mod *, const struct ofp_header *,
-                            enum nx_flow_format);
+                            bool flow_mod_table_id);
 struct ofpbuf *ofputil_encode_flow_mod(const struct flow_mod *,
-                                       enum nx_flow_format);
+                                       enum nx_flow_format,
+                                       bool flow_mod_table_id);
 
 /* Flow stats or aggregate stats request, independent of flow format. */
 struct flow_stats_request {
@@ -147,11 +148,28 @@ struct flow_stats_request {
 };
 
 int ofputil_decode_flow_stats_request(struct flow_stats_request *,
-                                      const struct ofp_header *,
-                                      enum nx_flow_format);
+                                      const struct ofp_header *);
 struct ofpbuf *ofputil_encode_flow_stats_request(
     const struct flow_stats_request *, enum nx_flow_format);
 
+/* Flow stats reply, independent of flow format. */
+struct ofputil_flow_stats {
+    struct cls_rule rule;
+    ovs_be64 cookie;
+    uint8_t table_id;
+    uint32_t duration_sec;
+    uint32_t duration_nsec;
+    uint16_t idle_timeout;
+    uint16_t hard_timeout;
+    uint64_t packet_count;
+    uint64_t byte_count;
+    union ofp_action *actions;
+    size_t n_actions;
+};
+
+int ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *,
+                                    struct ofpbuf *msg);
+
 /* Flow removed message, independent of flow format. */
 struct ofputil_flow_removed {
     struct cls_rule rule;
@@ -165,8 +183,22 @@ struct ofputil_flow_removed {
 };
 
 int ofputil_decode_flow_removed(struct ofputil_flow_removed *,
-                                const struct ofp_header *,
-                                enum nx_flow_format);
+                                const struct ofp_header *);
+struct ofpbuf *ofputil_encode_flow_removed(const struct ofputil_flow_removed *,
+                                           enum nx_flow_format);
+
+/* Abstract packet-in message. */
+struct ofputil_packet_in {
+    struct ofpbuf *packet;
+    uint16_t in_port;
+    uint8_t reason;             /* One of OFPR_*. */
+
+    uint32_t buffer_id;
+    int send_len;
+};
+
+struct ofpbuf *ofputil_encode_packet_in(const struct ofputil_packet_in *,
+                                        struct ofpbuf *rw_packet);
 
 /* OpenFlow protocol utility functions. */
 void *make_openflow(size_t openflow_len, uint8_t type, struct ofpbuf **);
@@ -219,13 +251,6 @@ struct ofpbuf *make_unbuffered_packet_out(const struct ofpbuf *packet,
                                           uint16_t in_port, uint16_t out_port);
 struct ofpbuf *make_echo_request(void);
 struct ofpbuf *make_echo_reply(const struct ofp_header *rq);
-
-struct flow_stats_iterator {
-    const uint8_t *pos, *end;
-};
-const struct ofp_flow_stats *flow_stats_first(struct flow_stats_iterator *,
-                                              const struct ofp_stats_reply *);
-const struct ofp_flow_stats *flow_stats_next(struct flow_stats_iterator *);
 \f
 /* Actions. */
 
@@ -241,7 +266,7 @@ const union ofp_action *actions_next(struct actions_iterator *);
 
 int validate_actions(const union ofp_action *, size_t n_actions,
                      const struct flow *, int max_ports);
-bool action_outputs_to_port(const union ofp_action *, uint16_t port);
+bool action_outputs_to_port(const union ofp_action *, ovs_be16 port);
 
 int ofputil_pull_actions(struct ofpbuf *, unsigned int actions_len,
                          union ofp_action **, size_t *);
@@ -383,6 +408,11 @@ get_ofp_err_code(int error)
     return error & 0xffff;
 }
 
-struct ofpbuf *make_ofp_error_msg(int error, const struct ofp_header *);
+struct ofpbuf *ofputil_encode_error_msg(int error, const struct ofp_header *);
+int ofputil_decode_error_msg(const struct ofp_header *, size_t *payload_ofs);
+
+/* String versions of errors. */
+void ofputil_format_error(struct ds *, int error);
+char *ofputil_error_to_string(int error);
 
 #endif /* ofp-util.h */