mirror of
https://github.com/openvswitch/ovs
synced 2025-08-22 01:51:26 +00:00
c97320eb7d
In virtual network, users want more info about the virtual point to observe the traffic. It should be a string to provide clear info, not a simple interger ID. Introduce "other-config: virtual_obs_id" in IPFIX, which is a string configured by user. Introduce an enterprise IPFIX entity "virtualObsID"(898) to export the value. The entity is a variable-length string. Signed-off-by: Wenyu Zhang <wenyuz@vmware.com> Signed-off-by: Ben Pfaff <blp@ovn.org>
512 lines
19 KiB
C
512 lines
19 KiB
C
/*
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* Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef OFPROTO_H
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#define OFPROTO_H 1
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "cfm.h"
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#include "classifier.h"
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#include "flow.h"
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#include "openvswitch/meta-flow.h"
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#include "netflow.h"
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#include "rstp.h"
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#include "smap.h"
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#include "sset.h"
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#include "stp.h"
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#include "lacp.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct bfd_cfg;
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struct cfm_settings;
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struct cls_rule;
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struct netdev;
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struct netdev_stats;
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struct ofport;
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struct ofproto;
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struct shash;
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struct simap;
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struct smap;
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struct netdev_stats;
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struct ovs_list;
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struct lldp_status;
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struct aa_settings;
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struct aa_mapping_settings;
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/* Needed for the lock annotations. */
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extern struct ovs_mutex ofproto_mutex;
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struct ofproto_controller_info {
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bool is_connected;
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enum ofp12_controller_role role;
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struct smap pairs;
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};
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struct ofproto_sflow_options {
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struct sset targets;
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uint32_t sampling_rate;
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uint32_t polling_interval;
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uint32_t header_len;
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uint32_t sub_id;
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char *agent_device;
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char *control_ip;
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};
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struct ofproto_ipfix_bridge_exporter_options {
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struct sset targets;
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uint32_t sampling_rate;
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uint32_t obs_domain_id; /* Bridge-wide Observation Domain ID. */
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uint32_t obs_point_id; /* Bridge-wide Observation Point ID. */
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uint32_t cache_active_timeout;
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uint32_t cache_max_flows;
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bool enable_tunnel_sampling;
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bool enable_input_sampling;
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bool enable_output_sampling;
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char *virtual_obs_id;
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};
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struct ofproto_ipfix_flow_exporter_options {
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uint32_t collector_set_id;
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struct sset targets;
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uint32_t cache_active_timeout;
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uint32_t cache_max_flows;
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bool enable_tunnel_sampling;
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char *virtual_obs_id;
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};
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struct ofproto_rstp_status {
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bool enabled; /* If false, ignore other members. */
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rstp_identifier root_id;
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rstp_identifier bridge_id;
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rstp_identifier designated_id;
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uint32_t root_path_cost;
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uint16_t designated_port_id;
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uint16_t bridge_port_id;
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};
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struct ofproto_rstp_settings {
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rstp_identifier address;
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uint16_t priority;
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uint32_t ageing_time;
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enum rstp_force_protocol_version force_protocol_version;
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uint16_t bridge_forward_delay;
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uint16_t bridge_max_age;
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uint16_t transmit_hold_count;
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};
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struct ofproto_port_rstp_status {
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bool enabled; /* If false, ignore other members. */
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uint16_t port_id;
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enum rstp_port_role role;
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enum rstp_state state;
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rstp_identifier designated_bridge_id;
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uint16_t designated_port_id;
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uint32_t designated_path_cost;
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int tx_count; /* Number of BPDUs transmitted. */
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int rx_count; /* Number of valid BPDUs received. */
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int error_count; /* Number of bad BPDUs received. */
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int uptime;
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};
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struct ofproto_port_rstp_settings {
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bool enable;
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uint16_t port_num; /* In the range 1-4095, inclusive. */
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uint8_t priority;
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uint32_t path_cost;
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bool admin_edge_port;
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bool auto_edge;
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bool mcheck;
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uint8_t admin_p2p_mac_state;
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bool admin_port_state;
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};
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struct ofproto_stp_settings {
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stp_identifier system_id;
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uint16_t priority;
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uint16_t hello_time;
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uint16_t max_age;
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uint16_t fwd_delay;
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};
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struct ofproto_stp_status {
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bool enabled; /* If false, ignore other members. */
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stp_identifier bridge_id;
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stp_identifier designated_root;
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int root_path_cost;
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};
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struct ofproto_port_stp_settings {
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bool enable;
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uint8_t port_num; /* In the range 1-255, inclusive. */
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uint8_t priority;
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uint16_t path_cost;
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};
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struct ofproto_port_stp_status {
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bool enabled; /* If false, ignore other members. */
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int port_id;
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enum stp_state state;
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unsigned int sec_in_state;
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enum stp_role role;
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};
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struct ofproto_port_stp_stats {
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bool enabled; /* If false, ignore other members. */
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int tx_count; /* Number of BPDUs transmitted. */
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int rx_count; /* Number of valid BPDUs received. */
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int error_count; /* Number of bad BPDUs received. */
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};
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struct ofproto_port_queue {
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uint32_t queue; /* Queue ID. */
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uint8_t dscp; /* DSCP bits (e.g. [0, 63]). */
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};
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struct ofproto_mcast_snooping_settings {
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bool flood_unreg; /* If true, flood unregistered packets to all
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all ports. If false, send only to ports
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connected to multicast routers. */
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unsigned int idle_time; /* Entry is removed after the idle time
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* in seconds. */
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unsigned int max_entries; /* Size of the multicast snooping table. */
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};
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struct ofproto_mcast_snooping_port_settings {
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bool flood; /* If true, flood multicast traffic */
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bool flood_reports; /* If true, flood Reports traffic */
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};
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/* How the switch should act if the controller cannot be contacted. */
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enum ofproto_fail_mode {
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OFPROTO_FAIL_SECURE, /* Preserve flow table. */
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OFPROTO_FAIL_STANDALONE /* Act as a standalone switch. */
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};
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enum ofproto_band {
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OFPROTO_IN_BAND, /* In-band connection to controller. */
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OFPROTO_OUT_OF_BAND /* Out-of-band connection to controller. */
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};
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struct ofproto_controller {
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char *target; /* e.g. "tcp:127.0.0.1" */
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int max_backoff; /* Maximum reconnection backoff, in seconds. */
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int probe_interval; /* Max idle time before probing, in seconds. */
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enum ofproto_band band; /* In-band or out-of-band? */
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bool enable_async_msgs; /* Initially enable asynchronous messages? */
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/* OpenFlow packet-in rate-limiting. */
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int rate_limit; /* Max packet-in rate in packets per second. */
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int burst_limit; /* Limit on accumulating packet credits. */
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uint8_t dscp; /* DSCP value for controller connection. */
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};
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void ofproto_enumerate_types(struct sset *types);
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const char *ofproto_normalize_type(const char *);
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int ofproto_enumerate_names(const char *type, struct sset *names);
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void ofproto_parse_name(const char *name, char **dp_name, char **dp_type);
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/* An interface hint element, which is used by ofproto_init() to
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* describe the caller's understanding of the startup state. */
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struct iface_hint {
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char *br_name; /* Name of owning bridge. */
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char *br_type; /* Type of owning bridge. */
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ofp_port_t ofp_port; /* OpenFlow port number. */
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};
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void ofproto_init(const struct shash *iface_hints);
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int ofproto_type_run(const char *datapath_type);
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void ofproto_type_wait(const char *datapath_type);
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int ofproto_create(const char *datapath, const char *datapath_type,
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struct ofproto **ofprotop);
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void ofproto_destroy(struct ofproto *, bool del);
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int ofproto_delete(const char *name, const char *type);
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int ofproto_run(struct ofproto *);
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void ofproto_wait(struct ofproto *);
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bool ofproto_is_alive(const struct ofproto *);
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void ofproto_get_memory_usage(const struct ofproto *, struct simap *);
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void ofproto_type_get_memory_usage(const char *datapath_type, struct simap *);
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/* A port within an OpenFlow switch.
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*
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* 'name' and 'type' are suitable for passing to netdev_open(). */
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struct ofproto_port {
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char *name; /* Network device name, e.g. "eth0". */
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char *type; /* Network device type, e.g. "system". */
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ofp_port_t ofp_port; /* OpenFlow port number. */
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};
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void ofproto_port_clone(struct ofproto_port *, const struct ofproto_port *);
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void ofproto_port_destroy(struct ofproto_port *);
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struct ofproto_port_dump {
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const struct ofproto *ofproto;
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int error;
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void *state;
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};
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void ofproto_port_dump_start(struct ofproto_port_dump *,
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const struct ofproto *);
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bool ofproto_port_dump_next(struct ofproto_port_dump *, struct ofproto_port *);
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int ofproto_port_dump_done(struct ofproto_port_dump *);
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/* Iterates through each OFPROTO_PORT in OFPROTO, using DUMP as state.
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*
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* Arguments all have pointer type.
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*
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* If you break out of the loop, then you need to free the dump structure by
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* hand using ofproto_port_dump_done(). */
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#define OFPROTO_PORT_FOR_EACH(OFPROTO_PORT, DUMP, OFPROTO) \
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for (ofproto_port_dump_start(DUMP, OFPROTO); \
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(ofproto_port_dump_next(DUMP, OFPROTO_PORT) \
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? true \
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: (ofproto_port_dump_done(DUMP), false)); \
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)
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#define OFPROTO_FLOW_LIMIT_DEFAULT 200000
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#define OFPROTO_MAX_IDLE_DEFAULT 10000 /* ms */
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const char *ofproto_port_open_type(const char *datapath_type,
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const char *port_type);
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int ofproto_port_add(struct ofproto *, struct netdev *, ofp_port_t *ofp_portp);
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int ofproto_port_del(struct ofproto *, ofp_port_t ofp_port);
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int ofproto_port_get_stats(const struct ofport *, struct netdev_stats *stats);
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int ofproto_port_query_by_name(const struct ofproto *, const char *devname,
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struct ofproto_port *);
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/* Top-level configuration. */
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uint64_t ofproto_get_datapath_id(const struct ofproto *);
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void ofproto_set_datapath_id(struct ofproto *, uint64_t datapath_id);
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void ofproto_set_controllers(struct ofproto *,
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const struct ofproto_controller *, size_t n,
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uint32_t allowed_versions);
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void ofproto_set_fail_mode(struct ofproto *, enum ofproto_fail_mode fail_mode);
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void ofproto_reconnect_controllers(struct ofproto *);
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void ofproto_set_extra_in_band_remotes(struct ofproto *,
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const struct sockaddr_in *, size_t n);
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void ofproto_set_in_band_queue(struct ofproto *, int queue_id);
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void ofproto_set_flow_limit(unsigned limit);
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void ofproto_set_max_idle(unsigned max_idle);
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void ofproto_set_forward_bpdu(struct ofproto *, bool forward_bpdu);
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void ofproto_set_mac_table_config(struct ofproto *, unsigned idle_time,
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size_t max_entries);
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int ofproto_set_mcast_snooping(struct ofproto *ofproto,
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const struct ofproto_mcast_snooping_settings *s);
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int ofproto_port_set_mcast_snooping(struct ofproto *ofproto, void *aux,
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const struct ofproto_mcast_snooping_port_settings *s);
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void ofproto_set_threads(int n_handlers, int n_revalidators);
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void ofproto_set_cpu_mask(const char *cmask);
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void ofproto_set_dp_desc(struct ofproto *, const char *dp_desc);
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int ofproto_set_snoops(struct ofproto *, const struct sset *snoops);
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int ofproto_set_netflow(struct ofproto *,
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const struct netflow_options *nf_options);
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int ofproto_set_sflow(struct ofproto *, const struct ofproto_sflow_options *);
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int ofproto_set_ipfix(struct ofproto *,
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const struct ofproto_ipfix_bridge_exporter_options *,
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const struct ofproto_ipfix_flow_exporter_options *,
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size_t);
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void ofproto_set_flow_restore_wait(bool flow_restore_wait_db);
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bool ofproto_get_flow_restore_wait(void);
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int ofproto_set_stp(struct ofproto *, const struct ofproto_stp_settings *);
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int ofproto_get_stp_status(struct ofproto *, struct ofproto_stp_status *);
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int ofproto_set_rstp(struct ofproto *, const struct ofproto_rstp_settings *);
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int ofproto_get_rstp_status(struct ofproto *, struct ofproto_rstp_status *);
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/* Configuration of ports. */
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void ofproto_port_unregister(struct ofproto *, ofp_port_t ofp_port);
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void ofproto_port_clear_cfm(struct ofproto *, ofp_port_t ofp_port);
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void ofproto_port_set_cfm(struct ofproto *, ofp_port_t ofp_port,
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const struct cfm_settings *);
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void ofproto_port_set_bfd(struct ofproto *, ofp_port_t ofp_port,
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const struct smap *cfg);
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bool ofproto_port_bfd_status_changed(struct ofproto *, ofp_port_t ofp_port);
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int ofproto_port_get_bfd_status(struct ofproto *, ofp_port_t ofp_port,
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struct smap *);
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int ofproto_port_is_lacp_current(struct ofproto *, ofp_port_t ofp_port);
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int ofproto_port_get_lacp_stats(const struct ofport *, struct lacp_slave_stats *);
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int ofproto_port_set_stp(struct ofproto *, ofp_port_t ofp_port,
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const struct ofproto_port_stp_settings *);
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int ofproto_port_get_stp_status(struct ofproto *, ofp_port_t ofp_port,
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struct ofproto_port_stp_status *);
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int ofproto_port_get_stp_stats(struct ofproto *, ofp_port_t ofp_port,
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struct ofproto_port_stp_stats *);
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int ofproto_port_set_queues(struct ofproto *, ofp_port_t ofp_port,
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const struct ofproto_port_queue *,
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size_t n_queues);
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int ofproto_port_get_rstp_status(struct ofproto *, ofp_port_t ofp_port,
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struct ofproto_port_rstp_status *);
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int ofproto_port_set_rstp(struct ofproto *, ofp_port_t ofp_port,
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const struct ofproto_port_rstp_settings *);
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/* The behaviour of the port regarding VLAN handling */
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enum port_vlan_mode {
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/* This port is an access port. 'vlan' is the VLAN ID. 'trunks' is
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* ignored. */
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PORT_VLAN_ACCESS,
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/* This port is a trunk. 'trunks' is the set of trunks. 'vlan' is
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* ignored. */
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PORT_VLAN_TRUNK,
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/* Untagged incoming packets are part of 'vlan', as are incoming packets
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* tagged with 'vlan'. Outgoing packets tagged with 'vlan' stay tagged.
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* Other VLANs in 'trunks' are trunked. */
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PORT_VLAN_NATIVE_TAGGED,
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/* Untagged incoming packets are part of 'vlan', as are incoming packets
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* tagged with 'vlan'. Outgoing packets tagged with 'vlan' are untagged.
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* Other VLANs in 'trunks' are trunked. */
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PORT_VLAN_NATIVE_UNTAGGED
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};
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/* Configuration of bundles. */
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struct ofproto_bundle_settings {
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char *name; /* For use in log messages. */
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ofp_port_t *slaves; /* OpenFlow port numbers for slaves. */
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size_t n_slaves;
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enum port_vlan_mode vlan_mode; /* Selects mode for vlan and trunks */
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int vlan; /* VLAN VID, except for PORT_VLAN_TRUNK. */
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unsigned long *trunks; /* vlan_bitmap, except for PORT_VLAN_ACCESS. */
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bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */
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struct bond_settings *bond; /* Must be nonnull iff if n_slaves > 1. */
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struct lacp_settings *lacp; /* Nonnull to enable LACP. */
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struct lacp_slave_settings *lacp_slaves; /* Array of n_slaves elements. */
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};
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int ofproto_bundle_register(struct ofproto *, void *aux,
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const struct ofproto_bundle_settings *);
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int ofproto_bundle_unregister(struct ofproto *, void *aux);
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/* Configuration of mirrors. */
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struct ofproto_mirror_settings {
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/* Name for log messages. */
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char *name;
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/* Bundles that select packets for mirroring upon ingress. */
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void **srcs; /* A set of registered ofbundle handles. */
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size_t n_srcs;
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/* Bundles that select packets for mirroring upon egress. */
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void **dsts; /* A set of registered ofbundle handles. */
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size_t n_dsts;
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/* VLANs of packets to select for mirroring. */
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unsigned long *src_vlans; /* vlan_bitmap, NULL selects all VLANs. */
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/* Output (mutually exclusive). */
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void *out_bundle; /* A registered ofbundle handle or NULL. */
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uint16_t out_vlan; /* Output VLAN, only if out_bundle is NULL. */
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};
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int ofproto_mirror_register(struct ofproto *, void *aux,
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const struct ofproto_mirror_settings *);
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int ofproto_mirror_unregister(struct ofproto *, void *aux);
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int ofproto_mirror_get_stats(struct ofproto *, void *aux,
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uint64_t *packets, uint64_t *bytes);
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void ofproto_port_set_lldp(struct ofproto *ofproto, ofp_port_t ofp_port,
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const struct smap *cfg);
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int ofproto_set_aa(struct ofproto *ofproto, void *aux,
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const struct aa_settings *s);
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int ofproto_aa_mapping_register(struct ofproto *ofproto, void *aux,
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const struct aa_mapping_settings *s);
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int ofproto_aa_mapping_unregister(struct ofproto *ofproto, void *aux);
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int ofproto_aa_vlan_get_queued(struct ofproto *ofproto, struct ovs_list *list);
|
||
unsigned int ofproto_aa_vlan_get_queue_size(struct ofproto *ofproto);
|
||
|
||
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, together with OpenFlow OFPT_TABLE_MOD, determine the
|
||
* handling of an attempt to add a flow that would cause the table to have
|
||
* more than 'max_flows' flows:
|
||
*
|
||
* - If 'enable_eviction' is false and OFPT_TABLE_MOD does not enable
|
||
* eviction, overflows will be rejected with an error.
|
||
*
|
||
* - If 'enable_eviction' is true or OFPT_TABLE_MOD enables eviction, 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 'n_groups' subfields within 'groups'. */
|
||
bool enable_eviction;
|
||
struct mf_subfield *groups;
|
||
size_t n_groups;
|
||
|
||
/*
|
||
* Fields for which prefix trie lookup is maintained.
|
||
*/
|
||
unsigned int n_prefix_fields;
|
||
enum mf_field_id prefix_fields[CLS_MAX_TRIES];
|
||
};
|
||
|
||
extern const enum mf_field_id default_prefix_fields[2];
|
||
BUILD_ASSERT_DECL(ARRAY_SIZE(default_prefix_fields) <= CLS_MAX_TRIES);
|
||
|
||
int ofproto_get_n_tables(const struct ofproto *);
|
||
uint8_t ofproto_get_n_visible_tables(const struct ofproto *);
|
||
void ofproto_configure_table(struct ofproto *, int table_id,
|
||
const struct ofproto_table_settings *);
|
||
|
||
/* Configuration querying. */
|
||
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);
|
||
|
||
void ofproto_get_ofproto_controller_info(const struct ofproto *, struct shash *);
|
||
void ofproto_free_ofproto_controller_info(struct shash *);
|
||
|
||
bool ofproto_port_cfm_status_changed(struct ofproto *, ofp_port_t ofp_port);
|
||
|
||
int ofproto_port_get_cfm_status(const struct ofproto *,
|
||
ofp_port_t ofp_port,
|
||
struct cfm_status *);
|
||
|
||
/* Table configuration */
|
||
|
||
enum ofputil_table_miss ofproto_table_get_miss_config(const struct ofproto *,
|
||
uint8_t table_id);
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
|
||
#endif /* ofproto.h */
|