X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=ofproto%2Fconnmgr.h;h=20c81605ef9eac11445780fac463e7abfe95946d;hb=ec988646afe6aee6a63d6894a3e9b50f715d5941;hp=8ff89f360225d7d8e384696ea02a8defe80ca97e;hpb=f0fd1a1772665ea57662281d9cccadb0f0146196;p=sliver-openvswitch.git diff --git a/ofproto/connmgr.h b/ofproto/connmgr.h index 8ff89f360..20c81605e 100644 --- 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, 2013, 2014 Nicira, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -17,9 +17,12 @@ #ifndef CONNMGR_H #define CONNMGR_H 1 +#include "classifier.h" #include "hmap.h" #include "list.h" +#include "match.h" #include "ofp-errors.h" +#include "ofp-util.h" #include "ofproto.h" #include "openflow/nicira-ext.h" #include "openvswitch/types.h" @@ -27,8 +30,8 @@ struct nlattr; struct ofconn; struct ofopgroup; -struct ofputil_flow_removed; -struct ofputil_packet_in; +struct rule; +struct simap; struct sset; /* ofproto supports two kinds of OpenFlow connections: @@ -51,6 +54,42 @@ 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 +}; + +enum ofproto_packet_in_miss_type { + /* Not generated by a flow miss or table-miss flow. */ + OFPROTO_PACKET_IN_NO_MISS, + + /* The packet_in was generated directly by a table-miss flow, that is, a + * flow with priority 0 that wildcards all fields. See OF1.3.3 section + * 5.4. + * + * (Our interpretation of "directly" is "not via groups". Packet_ins + * generated by table-miss flows via groups use + * OFPROTO_PACKET_IN_NO_MISS.) */ + OFPROTO_PACKET_IN_MISS_FLOW, + + /* The packet-in was generated directly by a table-miss, but not a + * table-miss flow. That is, it was generated by the OpenFlow 1.0, 1.1, or + * 1.2 table-miss behavior. */ + OFPROTO_PACKET_IN_MISS_WITHOUT_FLOW, +}; + +/* A packet_in, with extra members to assist in queuing and routing it. */ +struct ofproto_packet_in { + struct ofputil_packet_in up; + struct list list_node; /* For queuing. */ + uint16_t controller_id; /* Controller ID to send to. */ + int send_len; /* Length that the action requested sending. */ + enum ofproto_packet_in_miss_type miss_type; +}; + /* Basics. */ struct connmgr *connmgr_create(struct ofproto *ofproto, const char *dpif_name, const char *local_name); @@ -58,9 +97,11 @@ void connmgr_destroy(struct connmgr *); void connmgr_run(struct connmgr *, bool (*handle_openflow)(struct ofconn *, - struct ofpbuf *ofp_msg)); + const 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 +111,8 @@ 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); @@ -80,17 +122,18 @@ void connmgr_get_snoops(const struct connmgr *, struct sset *snoops); /* Individual connections to OpenFlow controllers. */ 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); +bool ofconn_get_master_election_id(const struct ofconn *, uint64_t *idp); +bool ofconn_set_master_election_id(struct ofconn *, uint64_t); +enum ofp12_controller_role ofconn_get_role(const struct ofconn *); +void ofconn_set_role(struct ofconn *, enum ofp12_controller_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(const 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 *); @@ -98,13 +141,20 @@ 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_get_async_config(struct ofconn *, + uint32_t *master_masks, + uint32_t *slave_masks); + 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, enum ofperr); enum ofperr ofconn_pktbuf_retrieve(struct ofconn *, uint32_t id, - struct ofpbuf **bufferp, uint16_t *in_port); + struct ofpbuf **bufferp, ofp_port_t *in_port); bool ofconn_has_pending_opgroups(const struct ofconn *); void ofconn_add_opgroup(struct ofconn *, struct list *); @@ -112,12 +162,15 @@ 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); +bool connmgr_wants_packet_in_on_miss(struct connmgr *mgr); +void connmgr_send_port_status(struct connmgr *, struct ofconn *source, + 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 ofproto_packet_in *); +void ofconn_send_role_status(struct ofconn *ofconn, uint32_t role, + uint8_t reason); /* Fail-open settings. */ enum ofproto_fail_mode connmgr_get_fail_mode(const struct connmgr *); @@ -128,7 +181,6 @@ 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 *, @@ -136,13 +188,48 @@ void connmgr_set_extra_in_band_remotes(struct connmgr *, void connmgr_set_in_band_queue(struct connmgr *, int queue_id); /* In-band implementation. */ -bool connmgr_msg_in_hook(struct connmgr *, const struct flow *, - const struct ofpbuf *packet); -bool connmgr_may_set_up_flow(struct connmgr *, const struct flow *, - const struct nlattr *odp_actions, - size_t actions_len); +bool connmgr_has_in_band(struct connmgr *); /* 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. */ + ofp_port_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 **) + OVS_REQUIRES(ofproto_mutex); +struct ofmonitor *ofmonitor_lookup(struct ofconn *, uint32_t id) + OVS_REQUIRES(ofproto_mutex); +void ofmonitor_destroy(struct ofmonitor *) + OVS_REQUIRES(ofproto_mutex); + +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) + OVS_REQUIRES(ofproto_mutex); +void ofmonitor_flush(struct connmgr *) OVS_REQUIRES(ofproto_mutex); + + +struct rule_collection; +void ofmonitor_collect_resume_rules(struct ofmonitor *, uint64_t seqno, + struct rule_collection *) + OVS_REQUIRES(ofproto_mutex); +void ofmonitor_compose_refresh_updates(struct rule_collection *rules, + struct list *msgs) + OVS_REQUIRES(ofproto_mutex); + #endif /* connmgr.h */