ofproto, connmgr: Parameterise OpenFlow versions for adding controller

[openvswitch] / ofproto / connmgr.h

diff --git a/ofproto/connmgr.h b/ofproto/connmgr.h
index bbee7f4f189bd9f6bf24ec72a0d31a0ab2b6f6c2..6d6842d5365a7f50e0c310578a3487711dc5d66d 100644 (file)
--- a/ofproto/connmgr.h
+++ b/ofproto/connmgr.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2010, 2011 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.
@@ -17,8 +17,10 @@
 #ifndef CONNMGR_H
 #define CONNMGR_H 1
 
+#include "classifier.h"
 #include "hmap.h"
 #include "list.h"
+#include "match.h"
 #include "ofp-errors.h"
 #include "ofproto.h"
 #include "openflow/nicira-ext.h"
@@ -29,6 +31,9 @@ struct ofconn;
 struct ofopgroup;
 struct ofputil_flow_removed;
 struct ofputil_packet_in;
+struct ofputil_phy_port;
+struct rule;
+struct simap;
 struct sset;
 
 /* ofproto supports two kinds of OpenFlow connections:
@@ -51,6 +56,14 @@ enum ofconn_type {
     OFCONN_SERVICE              /* A service connection, e.g. "ovs-ofctl". */
 };
 
+/* The type of an OpenFlow asynchronous message. */
+enum ofconn_async_msg_type {
+    OAM_PACKET_IN,              /* OFPT_PACKET_IN or NXT_PACKET_IN. */
+    OAM_PORT_STATUS,            /* OFPT_PORT_STATUS. */
+    OAM_FLOW_REMOVED,           /* OFPT_FLOW_REMOVED or NXT_FLOW_REMOVED. */
+    OAM_N_TYPES
+};
+
 /* Basics. */
 struct connmgr *connmgr_create(struct ofproto *ofproto,
                                const char *dpif_name, const char *local_name);
@@ -61,6 +74,8 @@ void connmgr_run(struct connmgr *,
                                          struct ofpbuf *ofp_msg));
 void connmgr_wait(struct connmgr *, bool handling_openflow);
 
+void connmgr_get_memory_usage(const struct connmgr *, struct simap *usage);
+
 struct ofproto *ofconn_get_ofproto(const struct ofconn *);
 
 void connmgr_retry(struct connmgr *);
@@ -70,7 +85,8 @@ bool connmgr_has_controllers(const struct connmgr *);
 void connmgr_get_controller_info(struct connmgr *, struct shash *);
 void connmgr_free_controller_info(struct shash *);
 void connmgr_set_controllers(struct connmgr *,
-                             const struct ofproto_controller[], size_t n);
+                             const struct ofproto_controller[], size_t n,
+                             uint32_t allowed_versions);
 void connmgr_reconnect(const struct connmgr *);
 
 int connmgr_set_snoops(struct connmgr *, const struct sset *snoops);
@@ -83,18 +99,24 @@ enum ofconn_type ofconn_get_type(const struct ofconn *);
 enum nx_role ofconn_get_role(const struct ofconn *);
 void ofconn_set_role(struct ofconn *, enum nx_role);
 
-enum nx_flow_format ofconn_get_flow_format(struct ofconn *);
-void ofconn_set_flow_format(struct ofconn *, enum nx_flow_format);
+enum ofputil_protocol ofconn_get_protocol(struct ofconn *);
+void ofconn_set_protocol(struct ofconn *, enum ofputil_protocol);
 
 enum nx_packet_in_format ofconn_get_packet_in_format(struct ofconn *);
 void ofconn_set_packet_in_format(struct ofconn *, enum nx_packet_in_format);
 
-bool ofconn_get_flow_mod_table_id(const struct ofconn *);
-void ofconn_set_flow_mod_table_id(struct ofconn *, bool enable);
+void ofconn_set_controller_id(struct ofconn *, uint16_t controller_id);
+
+void ofconn_set_invalid_ttl_to_controller(struct ofconn *, bool);
+bool ofconn_get_invalid_ttl_to_controller(struct ofconn *);
 
 int ofconn_get_miss_send_len(const struct ofconn *);
 void ofconn_set_miss_send_len(struct ofconn *, int miss_send_len);
 
+void ofconn_set_async_config(struct ofconn *,
+                             const uint32_t master_masks[OAM_N_TYPES],
+                             const uint32_t slave_masks[OAM_N_TYPES]);
+
 void ofconn_send_reply(const struct ofconn *, struct ofpbuf *);
 void ofconn_send_replies(const struct ofconn *, struct list *);
 void ofconn_send_error(const struct ofconn *, const struct ofp_header *request,
@@ -109,12 +131,12 @@ void ofconn_remove_opgroup(struct ofconn *, struct list *,
                            const struct ofp_header *request, int error);
 
 /* Sending asynchronous messages. */
-void connmgr_send_port_status(struct connmgr *, const struct ofp_phy_port *,
-                              uint8_t reason);
+void connmgr_send_port_status(struct connmgr *,
+                              const struct ofputil_phy_port *, uint8_t reason);
 void connmgr_send_flow_removed(struct connmgr *,
                                const struct ofputil_flow_removed *);
-void connmgr_send_packet_in(struct connmgr *, const struct ofputil_packet_in *,
-                            const struct flow *);
+void connmgr_send_packet_in(struct connmgr *,
+                            const struct ofputil_packet_in *);
 
 /* Fail-open settings. */
 enum ofproto_fail_mode connmgr_get_fail_mode(const struct connmgr *);
@@ -125,7 +147,6 @@ int connmgr_get_max_probe_interval(const struct connmgr *);
 bool connmgr_is_any_controller_connected(const struct connmgr *);
 bool connmgr_is_any_controller_admitted(const struct connmgr *);
 int connmgr_failure_duration(const struct connmgr *);
-void connmgr_broadcast(struct connmgr *, struct ofpbuf *);
 
 /* In-band configuration. */
 void connmgr_set_extra_in_band_remotes(struct connmgr *,
@@ -142,4 +163,34 @@ bool connmgr_may_set_up_flow(struct connmgr *, const struct flow *,
 /* Fail-open and in-band implementation. */
 void connmgr_flushed(struct connmgr *);
 
+/* A flow monitor managed by NXST_FLOW_MONITOR and related requests. */
+struct ofmonitor {
+    struct ofconn *ofconn;      /* Owning 'ofconn'. */
+    struct hmap_node ofconn_node; /* In ofconn's 'monitors' hmap. */
+    uint32_t id;
+
+    enum nx_flow_monitor_flags flags;
+
+    /* Matching. */
+    uint16_t out_port;
+    uint8_t table_id;
+    struct minimatch match;
+};
+
+struct ofputil_flow_monitor_request;
+
+enum ofperr ofmonitor_create(const struct ofputil_flow_monitor_request *,
+                             struct ofconn *, struct ofmonitor **);
+struct ofmonitor *ofmonitor_lookup(struct ofconn *, uint32_t id);
+void ofmonitor_destroy(struct ofmonitor *);
+
+void ofmonitor_report(struct connmgr *, struct rule *,
+                      enum nx_flow_update_event, enum ofp_flow_removed_reason,
+                      const struct ofconn *abbrev_ofconn, ovs_be32 abbrev_xid);
+void ofmonitor_flush(struct connmgr *);
+
+void ofmonitor_collect_resume_rules(struct ofmonitor *, uint64_t seqno,
+                                    struct list *rules);
+void ofmonitor_compose_refresh_updates(struct list *rules, struct list *msgs);
+
 #endif /* connmgr.h */