/*
- * Copyright (c) 2009 Nicira Networks.
+ * Copyright (c) 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.
#ifndef OFPROTO_H
#define OFPROTO_H 1
+#include <sys/types.h>
+#include <netinet/in.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
+#include "cfm.h"
#include "flow.h"
+#include "netflow.h"
+#include "sset.h"
+#include "stp.h"
#include "tag.h"
-struct odp_actions;
-struct ofhooks;
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct cfm_settings;
+struct cls_rule;
+struct netdev;
struct ofproto;
-struct svec;
+struct ofport;
+struct shash;
+struct netdev_stats;
+
+struct ofproto_controller_info {
+ bool is_connected;
+ enum nx_role role;
+ struct {
+ const char *keys[4];
+ const char *values[4];
+ size_t n;
+ } pairs;
+};
struct ofexpired {
- flow_t flow;
- uint64_t packet_count; /* Packets from *expired* subrules. */
- uint64_t byte_count; /* Bytes from *expired* subrules. */
+ struct flow flow;
+ uint64_t packet_count; /* Packets from subrules. */
+ uint64_t byte_count; /* Bytes from subrules. */
long long int used; /* Last-used time (0 if never used). */
- long long int created; /* Creation time. */
- uint8_t tcp_flags; /* Bitwise-OR of all TCP flags seen. */
- uint8_t ip_tos; /* Last-seen IP type-of-service. */
};
-int ofproto_create(const char *datapath, const struct ofhooks *, void *aux,
+struct ofproto_sflow_options {
+ struct sset targets;
+ uint32_t sampling_rate;
+ uint32_t polling_interval;
+ uint32_t header_len;
+ uint32_t sub_id;
+ char *agent_device;
+ char *control_ip;
+};
+
+struct ofproto_stp_settings {
+ stp_identifier system_id;
+ uint16_t priority;
+ uint16_t hello_time;
+ uint16_t max_age;
+ uint16_t fwd_delay;
+};
+
+struct ofproto_stp_status {
+ bool enabled; /* If false, ignore other members. */
+ stp_identifier bridge_id;
+ stp_identifier designated_root;
+ int root_path_cost;
+};
+
+struct ofproto_port_stp_settings {
+ bool enable;
+ uint8_t port_num; /* In the range 1-255, inclusive. */
+ uint8_t priority;
+ uint16_t path_cost;
+};
+
+struct ofproto_port_stp_status {
+ bool enabled; /* If false, ignore other members. */
+ int port_id;
+ enum stp_state state;
+ unsigned int sec_in_state;
+ enum stp_role role;
+ int tx_count; /* Number of BPDUs transmitted. */
+ int rx_count; /* Number of valid BPDUs received. */
+ int error_count; /* Number of bad BPDUs received. */
+};
+
+struct ofproto_port_queue {
+ uint32_t queue; /* Queue ID. */
+ uint8_t dscp; /* DSCP bits (e.g. [0, 63]). */
+};
+
+/* How the switch should act if the controller cannot be contacted. */
+enum ofproto_fail_mode {
+ OFPROTO_FAIL_SECURE, /* Preserve flow table. */
+ OFPROTO_FAIL_STANDALONE /* Act as a standalone switch. */
+};
+
+enum ofproto_band {
+ OFPROTO_IN_BAND, /* In-band connection to controller. */
+ OFPROTO_OUT_OF_BAND /* Out-of-band connection to controller. */
+};
+
+struct ofproto_controller {
+ char *target; /* e.g. "tcp:127.0.0.1" */
+ int max_backoff; /* Maximum reconnection backoff, in seconds. */
+ int probe_interval; /* Max idle time before probing, in seconds. */
+ enum ofproto_band band; /* In-band or out-of-band? */
+
+ /* OpenFlow packet-in rate-limiting. */
+ int rate_limit; /* Max packet-in rate in packets per second. */
+ int burst_limit; /* Limit on accumulating packet credits. */
+};
+
+#define DEFAULT_MFR_DESC "Nicira Networks, Inc."
+#define DEFAULT_HW_DESC "Open vSwitch"
+#define DEFAULT_SW_DESC VERSION BUILDNR
+#define DEFAULT_SERIAL_DESC "None"
+#define DEFAULT_DP_DESC "None"
+
+void ofproto_enumerate_types(struct sset *types);
+const char *ofproto_normalize_type(const char *);
+
+int ofproto_enumerate_names(const char *type, struct sset *names);
+void ofproto_parse_name(const char *name, char **dp_name, char **dp_type);
+
+int ofproto_create(const char *datapath, const char *datapath_type,
struct ofproto **ofprotop);
void ofproto_destroy(struct ofproto *);
+int ofproto_delete(const char *name, const char *type);
+
int ofproto_run(struct ofproto *);
-int ofproto_run1(struct ofproto *);
-int ofproto_run2(struct ofproto *, bool revalidate_all);
+int ofproto_run_fast(struct ofproto *);
void ofproto_wait(struct ofproto *);
bool ofproto_is_alive(const struct ofproto *);
-/* Configuration. */
+/* A port within an OpenFlow switch.
+ *
+ * 'name' and 'type' are suitable for passing to netdev_open(). */
+struct ofproto_port {
+ char *name; /* Network device name, e.g. "eth0". */
+ char *type; /* Network device type, e.g. "system". */
+ uint16_t ofp_port; /* OpenFlow port number. */
+};
+void ofproto_port_clone(struct ofproto_port *, const struct ofproto_port *);
+void ofproto_port_destroy(struct ofproto_port *);
+
+struct ofproto_port_dump {
+ const struct ofproto *ofproto;
+ int error;
+ void *state;
+};
+void ofproto_port_dump_start(struct ofproto_port_dump *,
+ const struct ofproto *);
+bool ofproto_port_dump_next(struct ofproto_port_dump *, struct ofproto_port *);
+int ofproto_port_dump_done(struct ofproto_port_dump *);
+
+/* Iterates through each OFPROTO_PORT in OFPROTO, using DUMP as state.
+ *
+ * Arguments all have pointer type.
+ *
+ * If you break out of the loop, then you need to free the dump structure by
+ * hand using ofproto_port_dump_done(). */
+#define OFPROTO_PORT_FOR_EACH(OFPROTO_PORT, DUMP, OFPROTO) \
+ for (ofproto_port_dump_start(DUMP, OFPROTO); \
+ (ofproto_port_dump_next(DUMP, OFPROTO_PORT) \
+ ? true \
+ : (ofproto_port_dump_done(DUMP), false)); \
+ )
+
+#define OFPROTO_FLOW_EVICTON_THRESHOLD_DEFAULT 1000
+#define OFPROTO_FLOW_EVICTION_THRESHOLD_MIN 100
+
+int ofproto_port_add(struct ofproto *, struct netdev *, uint16_t *ofp_portp);
+int ofproto_port_del(struct ofproto *, uint16_t ofp_port);
+int ofproto_port_get_stats(const struct ofport *, struct netdev_stats *stats);
+
+int ofproto_port_query_by_name(const struct ofproto *, const char *devname,
+ struct ofproto_port *);
+
+/* Top-level configuration. */
void ofproto_set_datapath_id(struct ofproto *, uint64_t datapath_id);
-void ofproto_set_mgmt_id(struct ofproto *, uint64_t mgmt_id);
-void ofproto_set_probe_interval(struct ofproto *, int probe_interval);
-void ofproto_set_max_backoff(struct ofproto *, int max_backoff);
+void ofproto_set_controllers(struct ofproto *,
+ const struct ofproto_controller *, size_t n);
+void ofproto_set_fail_mode(struct ofproto *, enum ofproto_fail_mode fail_mode);
+void ofproto_reconnect_controllers(struct ofproto *);
+void ofproto_set_extra_in_band_remotes(struct ofproto *,
+ const struct sockaddr_in *, size_t n);
+void ofproto_set_in_band_queue(struct ofproto *, int queue_id);
+void ofproto_set_flow_eviction_threshold(struct ofproto *, unsigned threshold);
+void ofproto_set_forward_bpdu(struct ofproto *, bool forward_bpdu);
void ofproto_set_desc(struct ofproto *,
- const char *manufacturer, const char *hardware,
- const char *software, const char *serial);
-int ofproto_set_in_band(struct ofproto *, bool in_band);
-int ofproto_set_discovery(struct ofproto *, bool discovery,
- const char *accept_controller_re,
- bool update_resolv_conf);
-int ofproto_set_controller(struct ofproto *, const char *controller);
-int ofproto_set_listeners(struct ofproto *, const struct svec *listeners);
-int ofproto_set_snoops(struct ofproto *, const struct svec *snoops);
-int ofproto_set_netflow(struct ofproto *, const struct svec *collectors,
- uint8_t engine_type, uint8_t engine_id, bool add_id_to_iface);
-void ofproto_set_failure(struct ofproto *, bool fail_open);
-void ofproto_set_rate_limit(struct ofproto *, int rate_limit, int burst_limit);
-int ofproto_set_stp(struct ofproto *, bool enable_stp);
-int ofproto_set_remote_execution(struct ofproto *, const char *command_acl,
- const char *command_dir);
+ const char *mfr_desc, const char *hw_desc,
+ const char *sw_desc, const char *serial_desc,
+ const char *dp_desc);
+int ofproto_set_snoops(struct ofproto *, const struct sset *snoops);
+int ofproto_set_netflow(struct ofproto *,
+ const struct netflow_options *nf_options);
+int ofproto_set_sflow(struct ofproto *, const struct ofproto_sflow_options *);
+int ofproto_set_stp(struct ofproto *, const struct ofproto_stp_settings *);
+int ofproto_get_stp_status(struct ofproto *, struct ofproto_stp_status *);
+
+/* Configuration of ports. */
+void ofproto_port_unregister(struct ofproto *, uint16_t ofp_port);
+
+void ofproto_port_clear_cfm(struct ofproto *, uint16_t ofp_port);
+void ofproto_port_set_cfm(struct ofproto *, uint16_t ofp_port,
+ const struct cfm_settings *);
+int ofproto_port_is_lacp_current(struct ofproto *, uint16_t ofp_port);
+int ofproto_port_set_stp(struct ofproto *, uint16_t ofp_port,
+ const struct ofproto_port_stp_settings *);
+int ofproto_port_get_stp_status(struct ofproto *, uint16_t ofp_port,
+ struct ofproto_port_stp_status *);
+int ofproto_port_set_queues(struct ofproto *, uint16_t ofp_port,
+ const struct ofproto_port_queue *,
+ size_t n_queues);
+
+/* The behaviour of the port regarding VLAN handling */
+enum port_vlan_mode {
+ /* This port is an access port. 'vlan' is the VLAN ID. 'trunks' is
+ * ignored. */
+ PORT_VLAN_ACCESS,
+
+ /* This port is a trunk. 'trunks' is the set of trunks. 'vlan' is
+ * ignored. */
+ PORT_VLAN_TRUNK,
+
+ /* Untagged incoming packets are part of 'vlan', as are incoming packets
+ * tagged with 'vlan'. Outgoing packets tagged with 'vlan' stay tagged.
+ * Other VLANs in 'trunks' are trunked. */
+ PORT_VLAN_NATIVE_TAGGED,
+
+ /* Untagged incoming packets are part of 'vlan', as are incoming packets
+ * tagged with 'vlan'. Outgoing packets tagged with 'vlan' are untagged.
+ * Other VLANs in 'trunks' are trunked. */
+ PORT_VLAN_NATIVE_UNTAGGED
+};
+
+/* Configuration of bundles. */
+struct ofproto_bundle_settings {
+ char *name; /* For use in log messages. */
+
+ uint16_t *slaves; /* OpenFlow port numbers for slaves. */
+ size_t n_slaves;
+
+ enum port_vlan_mode vlan_mode; /* Selects mode for vlan and trunks */
+ int vlan; /* VLAN VID, except for PORT_VLAN_TRUNK. */
+ unsigned long *trunks; /* vlan_bitmap, except for PORT_VLAN_ACCESS. */
+ bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */
+
+ struct bond_settings *bond; /* Must be nonnull iff if n_slaves > 1. */
+ uint32_t *bond_stable_ids; /* Array of n_slaves elements. */
+
+ struct lacp_settings *lacp; /* Nonnull to enable LACP. */
+ struct lacp_slave_settings *lacp_slaves; /* Array of n_slaves elements. */
+
+ /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
+ *
+ * This is deprecated. It is only for compatibility with broken device
+ * drivers in old versions of Linux that do not properly support VLANs when
+ * VLAN devices are not used. When broken device drivers are no longer in
+ * widespread use, we will delete these interfaces. */
+ uint16_t realdev_ofp_port; /* OpenFlow port number of real device. */
+};
+
+int ofproto_bundle_register(struct ofproto *, void *aux,
+ const struct ofproto_bundle_settings *);
+int ofproto_bundle_unregister(struct ofproto *, void *aux);
+
+/* Configuration of mirrors. */
+struct ofproto_mirror_settings {
+ /* Name for log messages. */
+ char *name;
+
+ /* Bundles that select packets for mirroring upon ingress. */
+ void **srcs; /* A set of registered ofbundle handles. */
+ size_t n_srcs;
+
+ /* Bundles that select packets for mirroring upon egress. */
+ void **dsts; /* A set of registered ofbundle handles. */
+ size_t n_dsts;
+
+ /* VLANs of packets to select for mirroring. */
+ unsigned long *src_vlans; /* vlan_bitmap, NULL selects all VLANs. */
+
+ /* Output (mutually exclusive). */
+ void *out_bundle; /* A registered ofbundle handle or NULL. */
+ uint16_t out_vlan; /* Output VLAN, only if out_bundle is NULL. */
+};
+
+int ofproto_mirror_register(struct ofproto *, void *aux,
+ const struct ofproto_mirror_settings *);
+int ofproto_mirror_unregister(struct ofproto *, void *aux);
+int ofproto_mirror_get_stats(struct ofproto *, void *aux,
+ uint64_t *packets, uint64_t *bytes);
+
+int ofproto_set_flood_vlans(struct ofproto *, unsigned long *flood_vlans);
+bool ofproto_is_mirror_output_bundle(const struct ofproto *, void *aux);
+
+/* Configuration of OpenFlow tables. */
+struct ofproto_table_settings {
+ char *name; /* Name exported via OpenFlow or NULL. */
+ unsigned int max_flows; /* Maximum number of flows or UINT_MAX. */
+
+ /* These members determine the handling of an attempt to add a flow that
+ * would cause the table to have more than 'max_flows' flows.
+ *
+ * If 'groups' is NULL, overflows will be rejected with an error.
+ *
+ * If 'groups' is nonnull, an overflow will cause a flow to be removed.
+ * The flow to be removed is chosen to give fairness among groups
+ * distinguished by different values for the subfields within 'groups'. */
+ struct mf_subfield *groups;
+ size_t n_groups;
+};
+
+int ofproto_get_n_tables(const struct ofproto *);
+void ofproto_configure_table(struct ofproto *, int table_id,
+ const struct ofproto_table_settings *);
/* Configuration querying. */
-uint64_t ofproto_get_datapath_id(const struct ofproto *);
-uint64_t ofproto_get_mgmt_id(const struct ofproto *);
-int ofproto_get_probe_interval(const struct ofproto *);
-int ofproto_get_max_backoff(const struct ofproto *);
-bool ofproto_get_in_band(const struct ofproto *);
-bool ofproto_get_discovery(const struct ofproto *);
-const char *ofproto_get_controller(const struct ofproto *);
-void ofproto_get_listeners(const struct ofproto *, struct svec *);
-void ofproto_get_snoops(const struct ofproto *, struct svec *);
+bool ofproto_has_snoops(const struct ofproto *);
+void ofproto_get_snoops(const struct ofproto *, struct sset *);
void ofproto_get_all_flows(struct ofproto *p, struct ds *);
+void ofproto_get_netflow_ids(const struct ofproto *,
+ uint8_t *engine_type, uint8_t *engine_id);
+int ofproto_port_get_cfm_fault(const struct ofproto *, uint16_t ofp_port);
+int ofproto_port_get_cfm_remote_mpids(const struct ofproto *,
+ uint16_t ofp_port, const uint64_t **rmps,
+ size_t *n_rmps);
+
+void ofproto_get_ofproto_controller_info(const struct ofproto *, struct shash *);
+void ofproto_free_ofproto_controller_info(struct shash *);
+\f
+/* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
+ *
+ * This is deprecated. It is only for compatibility with broken device drivers
+ * in old versions of Linux that do not properly support VLANs when VLAN
+ * devices are not used. When broken device drivers are no longer in
+ * widespread use, we will delete these interfaces. */
+
+void ofproto_get_vlan_usage(struct ofproto *, unsigned long int *vlan_bitmap);
+bool ofproto_has_vlan_usage_changed(const struct ofproto *);
+int ofproto_port_set_realdev(struct ofproto *, uint16_t vlandev_ofp_port,
+ uint16_t realdev_ofp_port, int vid);
-/* Functions for use by ofproto implementation modules, not by clients. */
-int ofproto_send_packet(struct ofproto *, const flow_t *,
- const union ofp_action *, size_t n_actions,
- const struct ofpbuf *);
-void ofproto_add_flow(struct ofproto *, const flow_t *, uint32_t wildcards,
- unsigned int priority,
- const union ofp_action *, size_t n_actions,
- int idle_timeout);
-void ofproto_delete_flow(struct ofproto *, const flow_t *, uint32_t wildcards,
- unsigned int priority);
-void ofproto_flush_flows(struct ofproto *);
-
-/* Hooks for ovs-vswitchd. */
-struct ofhooks {
- void (*port_changed_cb)(enum ofp_port_reason, const struct ofp_phy_port *,
- void *aux);
- bool (*normal_cb)(const flow_t *, const struct ofpbuf *packet,
- struct odp_actions *, tag_type *, void *aux);
- void (*account_flow_cb)(const flow_t *, const union odp_action *,
- size_t n_actions, unsigned long long int n_bytes,
- void *aux);
- void (*account_checkpoint_cb)(void *aux);
-};
-void ofproto_revalidate(struct ofproto *, tag_type);
-struct tag_set *ofproto_get_revalidate_set(struct ofproto *);
+#ifdef __cplusplus
+}
+#endif
#endif /* ofproto.h */