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>
44 struct ofproto_controller_info {
49 const char *values[4];
56 uint64_t packet_count; /* Packets from subrules. */
57 uint64_t byte_count; /* Bytes from subrules. */
58 long long int used; /* Last-used time (0 if never used). */
61 struct ofproto_sflow_options {
63 uint32_t sampling_rate;
64 uint32_t polling_interval;
71 struct ofproto_stp_settings {
72 stp_identifier system_id;
79 struct ofproto_stp_status {
80 bool enabled; /* If false, ignore other members. */
81 stp_identifier bridge_id;
82 stp_identifier designated_root;
86 struct ofproto_port_stp_settings {
88 uint8_t port_num; /* In the range 1-255, inclusive. */
93 struct ofproto_port_stp_status {
94 bool enabled; /* If false, ignore other members. */
97 unsigned int sec_in_state;
99 int tx_count; /* Number of BPDUs transmitted. */
100 int rx_count; /* Number of valid BPDUs received. */
101 int error_count; /* Number of bad BPDUs received. */
104 struct ofproto_port_queue {
105 uint32_t queue; /* Queue ID. */
106 uint8_t dscp; /* DSCP bits (e.g. [0, 63]). */
109 /* How the switch should act if the controller cannot be contacted. */
110 enum ofproto_fail_mode {
111 OFPROTO_FAIL_SECURE, /* Preserve flow table. */
112 OFPROTO_FAIL_STANDALONE /* Act as a standalone switch. */
116 OFPROTO_IN_BAND, /* In-band connection to controller. */
117 OFPROTO_OUT_OF_BAND /* Out-of-band connection to controller. */
120 struct ofproto_controller {
121 char *target; /* e.g. "tcp:127.0.0.1" */
122 int max_backoff; /* Maximum reconnection backoff, in seconds. */
123 int probe_interval; /* Max idle time before probing, in seconds. */
124 enum ofproto_band band; /* In-band or out-of-band? */
126 /* OpenFlow packet-in rate-limiting. */
127 int rate_limit; /* Max packet-in rate in packets per second. */
128 int burst_limit; /* Limit on accumulating packet credits. */
131 #define DEFAULT_MFR_DESC "Nicira Networks, Inc."
132 #define DEFAULT_HW_DESC "Open vSwitch"
133 #define DEFAULT_SW_DESC VERSION BUILDNR
134 #define DEFAULT_SERIAL_DESC "None"
135 #define DEFAULT_DP_DESC "None"
137 void ofproto_enumerate_types(struct sset *types);
138 const char *ofproto_normalize_type(const char *);
140 int ofproto_enumerate_names(const char *type, struct sset *names);
141 void ofproto_parse_name(const char *name, char **dp_name, char **dp_type);
143 int ofproto_create(const char *datapath, const char *datapath_type,
144 struct ofproto **ofprotop);
145 void ofproto_destroy(struct ofproto *);
146 int ofproto_delete(const char *name, const char *type);
148 int ofproto_run(struct ofproto *);
149 int ofproto_run_fast(struct ofproto *);
150 void ofproto_wait(struct ofproto *);
151 bool ofproto_is_alive(const struct ofproto *);
153 /* A port within an OpenFlow switch.
155 * 'name' and 'type' are suitable for passing to netdev_open(). */
156 struct ofproto_port {
157 char *name; /* Network device name, e.g. "eth0". */
158 char *type; /* Network device type, e.g. "system". */
159 uint16_t ofp_port; /* OpenFlow port number. */
161 void ofproto_port_clone(struct ofproto_port *, const struct ofproto_port *);
162 void ofproto_port_destroy(struct ofproto_port *);
164 struct ofproto_port_dump {
165 const struct ofproto *ofproto;
169 void ofproto_port_dump_start(struct ofproto_port_dump *,
170 const struct ofproto *);
171 bool ofproto_port_dump_next(struct ofproto_port_dump *, struct ofproto_port *);
172 int ofproto_port_dump_done(struct ofproto_port_dump *);
174 /* Iterates through each OFPROTO_PORT in OFPROTO, using DUMP as state.
176 * Arguments all have pointer type.
178 * If you break out of the loop, then you need to free the dump structure by
179 * hand using ofproto_port_dump_done(). */
180 #define OFPROTO_PORT_FOR_EACH(OFPROTO_PORT, DUMP, OFPROTO) \
181 for (ofproto_port_dump_start(DUMP, OFPROTO); \
182 (ofproto_port_dump_next(DUMP, OFPROTO_PORT) \
184 : (ofproto_port_dump_done(DUMP), false)); \
187 #define OFPROTO_FLOW_EVICTON_THRESHOLD_DEFAULT 1000
188 #define OFPROTO_FLOW_EVICTION_THRESHOLD_MIN 100
190 int ofproto_port_add(struct ofproto *, struct netdev *, uint16_t *ofp_portp);
191 int ofproto_port_del(struct ofproto *, uint16_t ofp_port);
192 int ofproto_port_get_stats(const struct ofport *, struct netdev_stats *stats);
194 int ofproto_port_query_by_name(const struct ofproto *, const char *devname,
195 struct ofproto_port *);
197 /* Top-level configuration. */
198 void ofproto_set_datapath_id(struct ofproto *, uint64_t datapath_id);
199 void ofproto_set_controllers(struct ofproto *,
200 const struct ofproto_controller *, size_t n);
201 void ofproto_set_fail_mode(struct ofproto *, enum ofproto_fail_mode fail_mode);
202 void ofproto_reconnect_controllers(struct ofproto *);
203 void ofproto_set_extra_in_band_remotes(struct ofproto *,
204 const struct sockaddr_in *, size_t n);
205 void ofproto_set_in_band_queue(struct ofproto *, int queue_id);
206 void ofproto_set_flow_eviction_threshold(struct ofproto *, unsigned threshold);
207 void ofproto_set_forward_bpdu(struct ofproto *, bool forward_bpdu);
208 void ofproto_set_desc(struct ofproto *,
209 const char *mfr_desc, const char *hw_desc,
210 const char *sw_desc, const char *serial_desc,
211 const char *dp_desc);
212 int ofproto_set_snoops(struct ofproto *, const struct sset *snoops);
213 int ofproto_set_netflow(struct ofproto *,
214 const struct netflow_options *nf_options);
215 int ofproto_set_sflow(struct ofproto *, const struct ofproto_sflow_options *);
216 int ofproto_set_stp(struct ofproto *, const struct ofproto_stp_settings *);
217 int ofproto_get_stp_status(struct ofproto *, struct ofproto_stp_status *);
219 /* Configuration of ports. */
221 void ofproto_port_unregister(struct ofproto *, uint16_t ofp_port);
223 void ofproto_port_clear_cfm(struct ofproto *, uint16_t ofp_port);
224 void ofproto_port_set_cfm(struct ofproto *, uint16_t ofp_port,
225 const struct cfm_settings *);
226 int ofproto_port_is_lacp_current(struct ofproto *, uint16_t ofp_port);
227 int ofproto_port_set_stp(struct ofproto *, uint16_t ofp_port,
228 const struct ofproto_port_stp_settings *);
229 int ofproto_port_get_stp_status(struct ofproto *, uint16_t ofp_port,
230 struct ofproto_port_stp_status *);
231 int ofproto_port_set_queues(struct ofproto *, uint16_t ofp_port,
232 const struct ofproto_port_queue *,
235 /* The behaviour of the port regarding VLAN handling */
236 enum port_vlan_mode {
237 /* This port is an access port. 'vlan' is the VLAN ID. 'trunks' is
241 /* This port is a trunk. 'trunks' is the set of trunks. 'vlan' is
245 /* Untagged incoming packets are part of 'vlan', as are incoming packets
246 * tagged with 'vlan'. Outgoing packets tagged with 'vlan' stay tagged.
247 * Other VLANs in 'trunks' are trunked. */
248 PORT_VLAN_NATIVE_TAGGED,
250 /* Untagged incoming packets are part of 'vlan', as are incoming packets
251 * tagged with 'vlan'. Outgoing packets tagged with 'vlan' are untagged.
252 * Other VLANs in 'trunks' are trunked. */
253 PORT_VLAN_NATIVE_UNTAGGED
256 /* Configuration of bundles. */
257 struct ofproto_bundle_settings {
258 char *name; /* For use in log messages. */
260 uint16_t *slaves; /* OpenFlow port numbers for slaves. */
263 enum port_vlan_mode vlan_mode; /* Selects mode for vlan and trunks */
264 int vlan; /* VLAN VID, except for PORT_VLAN_TRUNK. */
265 unsigned long *trunks; /* vlan_bitmap, except for PORT_VLAN_ACCESS. */
266 bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */
268 struct bond_settings *bond; /* Must be nonnull iff if n_slaves > 1. */
269 uint32_t *bond_stable_ids; /* Array of n_slaves elements. */
271 struct lacp_settings *lacp; /* Nonnull to enable LACP. */
272 struct lacp_slave_settings *lacp_slaves; /* Array of n_slaves elements. */
274 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
276 * This is deprecated. It is only for compatibility with broken device
277 * drivers in old versions of Linux that do not properly support VLANs when
278 * VLAN devices are not used. When broken device drivers are no longer in
279 * widespread use, we will delete these interfaces. */
280 uint16_t realdev_ofp_port; /* OpenFlow port number of real device. */
283 int ofproto_bundle_register(struct ofproto *, void *aux,
284 const struct ofproto_bundle_settings *);
285 int ofproto_bundle_unregister(struct ofproto *, void *aux);
287 /* Configuration of mirrors. */
288 struct ofproto_mirror_settings {
289 /* Name for log messages. */
292 /* Bundles that select packets for mirroring upon ingress. */
293 void **srcs; /* A set of registered ofbundle handles. */
296 /* Bundles that select packets for mirroring upon egress. */
297 void **dsts; /* A set of registered ofbundle handles. */
300 /* VLANs of packets to select for mirroring. */
301 unsigned long *src_vlans; /* vlan_bitmap, NULL selects all VLANs. */
303 /* Output (mutually exclusive). */
304 void *out_bundle; /* A registered ofbundle handle or NULL. */
305 uint16_t out_vlan; /* Output VLAN, only if out_bundle is NULL. */
308 int ofproto_mirror_register(struct ofproto *, void *aux,
309 const struct ofproto_mirror_settings *);
310 int ofproto_mirror_unregister(struct ofproto *, void *aux);
311 int ofproto_mirror_get_stats(struct ofproto *, void *aux,
312 uint64_t *packets, uint64_t *bytes);
314 int ofproto_set_flood_vlans(struct ofproto *, unsigned long *flood_vlans);
315 bool ofproto_is_mirror_output_bundle(const struct ofproto *, void *aux);
317 /* Configuration querying. */
318 bool ofproto_has_snoops(const struct ofproto *);
319 void ofproto_get_snoops(const struct ofproto *, struct sset *);
320 void ofproto_get_all_flows(struct ofproto *p, struct ds *);
321 void ofproto_get_netflow_ids(const struct ofproto *,
322 uint8_t *engine_type, uint8_t *engine_id);
323 int ofproto_port_get_cfm_fault(const struct ofproto *, uint16_t ofp_port);
324 int ofproto_port_get_cfm_remote_mpids(const struct ofproto *,
325 uint16_t ofp_port, const uint64_t **rmps,
328 void ofproto_get_ofproto_controller_info(const struct ofproto *, struct shash *);
329 void ofproto_free_ofproto_controller_info(struct shash *);
331 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
333 * This is deprecated. It is only for compatibility with broken device drivers
334 * in old versions of Linux that do not properly support VLANs when VLAN
335 * devices are not used. When broken device drivers are no longer in
336 * widespread use, we will delete these interfaces. */
338 void ofproto_get_vlan_usage(struct ofproto *, unsigned long int *vlan_bitmap);
339 bool ofproto_has_vlan_usage_changed(const struct ofproto *);
340 int ofproto_port_set_realdev(struct ofproto *, uint16_t vlandev_ofp_port,
341 uint16_t realdev_ofp_port, int vid);
347 #endif /* ofproto.h */