2 * Copyright (c) 2009, 2010, 2011 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
20 #include <sys/types.h>
21 #include <netinet/in.h>
41 struct ofproto_controller_info {
46 const char *values[4];
53 uint64_t packet_count; /* Packets from subrules. */
54 uint64_t byte_count; /* Bytes from subrules. */
55 long long int used; /* Last-used time (0 if never used). */
58 struct ofproto_sflow_options {
60 uint32_t sampling_rate;
61 uint32_t polling_interval;
68 /* How the switch should act if the controller cannot be contacted. */
69 enum ofproto_fail_mode {
70 OFPROTO_FAIL_SECURE, /* Preserve flow table. */
71 OFPROTO_FAIL_STANDALONE /* Act as a standalone switch. */
75 OFPROTO_IN_BAND, /* In-band connection to controller. */
76 OFPROTO_OUT_OF_BAND /* Out-of-band connection to controller. */
79 struct ofproto_controller {
80 char *target; /* e.g. "tcp:127.0.0.1" */
81 int max_backoff; /* Maximum reconnection backoff, in seconds. */
82 int probe_interval; /* Max idle time before probing, in seconds. */
83 enum ofproto_band band; /* In-band or out-of-band? */
85 /* OpenFlow packet-in rate-limiting. */
86 int rate_limit; /* Max packet-in rate in packets per second. */
87 int burst_limit; /* Limit on accumulating packet credits. */
90 #define DEFAULT_MFR_DESC "Nicira Networks, Inc."
91 #define DEFAULT_HW_DESC "Open vSwitch"
92 #define DEFAULT_SW_DESC VERSION BUILDNR
93 #define DEFAULT_SERIAL_DESC "None"
94 #define DEFAULT_DP_DESC "None"
96 int ofproto_create(const char *datapath, const char *datapath_type,
97 struct ofproto **ofprotop);
98 void ofproto_destroy(struct ofproto *);
99 int ofproto_run(struct ofproto *);
100 void ofproto_wait(struct ofproto *);
101 bool ofproto_is_alive(const struct ofproto *);
103 /* A port within an OpenFlow switch.
105 * 'name' and 'type' are suitable for passing to netdev_open(). */
106 struct ofproto_port {
107 char *name; /* Network device name, e.g. "eth0". */
108 char *type; /* Network device type, e.g. "system". */
109 uint16_t ofp_port; /* OpenFlow port number. */
111 void ofproto_port_clone(struct ofproto_port *, const struct ofproto_port *);
112 void ofproto_port_destroy(struct ofproto_port *);
114 struct ofproto_port_dump {
115 const struct ofproto *ofproto;
119 void ofproto_port_dump_start(struct ofproto_port_dump *,
120 const struct ofproto *);
121 bool ofproto_port_dump_next(struct ofproto_port_dump *, struct ofproto_port *);
122 int ofproto_port_dump_done(struct ofproto_port_dump *);
124 /* Iterates through each DPIF_PORT in OFPROTO, using DUMP as state.
126 * Arguments all have pointer type.
128 * If you break out of the loop, then you need to free the dump structure by
129 * hand using ofproto_port_dump_done(). */
130 #define OFPROTO_PORT_FOR_EACH(OFPROTO_PORT, DUMP, OFPROTO) \
131 for (ofproto_port_dump_start(DUMP, OFPROTO); \
132 (ofproto_port_dump_next(DUMP, OFPROTO_PORT) \
134 : (ofproto_port_dump_done(DUMP), false)); \
137 int ofproto_port_add(struct ofproto *, struct netdev *, uint16_t *ofp_portp);
138 int ofproto_port_del(struct ofproto *, uint16_t ofp_port);
140 int ofproto_port_query_by_name(const struct ofproto *, const char *devname,
141 struct ofproto_port *);
143 /* Top-level configuration. */
144 void ofproto_set_datapath_id(struct ofproto *, uint64_t datapath_id);
145 void ofproto_set_controllers(struct ofproto *,
146 const struct ofproto_controller *, size_t n);
147 void ofproto_set_fail_mode(struct ofproto *, enum ofproto_fail_mode fail_mode);
148 void ofproto_reconnect_controllers(struct ofproto *);
149 void ofproto_set_extra_in_band_remotes(struct ofproto *,
150 const struct sockaddr_in *, size_t n);
151 void ofproto_set_in_band_queue(struct ofproto *, int queue_id);
152 void ofproto_set_desc(struct ofproto *,
153 const char *mfr_desc, const char *hw_desc,
154 const char *sw_desc, const char *serial_desc,
155 const char *dp_desc);
156 int ofproto_set_snoops(struct ofproto *, const struct sset *snoops);
157 int ofproto_set_netflow(struct ofproto *,
158 const struct netflow_options *nf_options);
159 void ofproto_set_sflow(struct ofproto *, const struct ofproto_sflow_options *);
161 /* Configuration of ports. */
163 void ofproto_port_unregister(struct ofproto *, uint32_t port_no);
165 void ofproto_port_clear_cfm(struct ofproto *, uint32_t port_no);
166 void ofproto_port_set_cfm(struct ofproto *, uint32_t port_no,
168 const uint16_t *remote_mps, size_t n_remote_mps);
169 const struct cfm *ofproto_port_get_cfm(struct ofproto *, uint32_t port_no);
170 int ofproto_port_is_lacp_current(struct ofproto *, uint16_t ofp_port);
172 /* Configuration of bundles. */
173 struct ofproto_bundle_settings {
174 char *name; /* For use in log messages. */
176 uint32_t *slaves; /* OpenFlow port numbers for slaves. */
179 int vlan; /* VLAN if access port, -1 if trunk port. */
180 unsigned long *trunks; /* vlan_bitmap, NULL to trunk all VLANs. */
182 struct bond_settings *bond; /* Must be nonnull iff if n_slaves > 1. */
184 struct lacp_settings *lacp; /* Nonnull to enable LACP. */
185 struct lacp_slave_settings *lacp_slaves; /* Array of n_slaves elements. */
188 void ofproto_bundle_register(struct ofproto *, void *aux,
189 const struct ofproto_bundle_settings *);
190 void ofproto_bundle_unregister(struct ofproto *, void *aux);
192 /* Configuration of mirrors. */
193 struct ofproto_mirror_settings {
194 /* Name for log messages. */
197 /* Bundles that select packets for mirroring upon ingress. */
198 void **srcs; /* A set of registered ofbundle handles. */
201 /* Bundles that select packets for mirroring upon egress. */
202 void **dsts; /* A set of registered ofbundle handles. */
205 /* VLANs of packets to select for mirroring. */
206 unsigned long *src_vlans; /* vlan_bitmap, NULL selects all VLANs. */
208 /* Output (mutually exclusive). */
209 void *out_bundle; /* A registered ofbundle handle or NULL. */
210 uint16_t out_vlan; /* Output VLAN, only if out_bundle is NULL. */
213 void ofproto_mirror_register(struct ofproto *, void *aux,
214 const struct ofproto_mirror_settings *);
215 void ofproto_mirror_unregister(struct ofproto *, void *aux);
217 void ofproto_set_flood_vlans(struct ofproto *, unsigned long *flood_vlans);
218 bool ofproto_is_mirror_output_bundle(struct ofproto *, void *aux);
220 /* Configuration querying. */
221 bool ofproto_has_snoops(const struct ofproto *);
222 void ofproto_get_snoops(const struct ofproto *, struct sset *);
223 void ofproto_get_all_flows(struct ofproto *p, struct ds *);
224 void ofproto_get_netflow_ids(const struct ofproto *,
225 uint8_t *engine_type, uint8_t *engine_id);
227 void ofproto_get_ofproto_controller_info(const struct ofproto *, struct shash *);
228 void ofproto_free_ofproto_controller_info(struct shash *);
234 #endif /* ofproto.h */