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>
40 struct ofproto_controller_info {
45 const char *values[4];
52 uint64_t packet_count; /* Packets from subrules. */
53 uint64_t byte_count; /* Bytes from subrules. */
54 long long int used; /* Last-used time (0 if never used). */
57 struct ofproto_sflow_options {
59 uint32_t sampling_rate;
60 uint32_t polling_interval;
67 /* How the switch should act if the controller cannot be contacted. */
68 enum ofproto_fail_mode {
69 OFPROTO_FAIL_SECURE, /* Preserve flow table. */
70 OFPROTO_FAIL_STANDALONE /* Act as a standalone switch. */
74 OFPROTO_IN_BAND, /* In-band connection to controller. */
75 OFPROTO_OUT_OF_BAND /* Out-of-band connection to controller. */
78 struct ofproto_controller {
79 char *target; /* e.g. "tcp:127.0.0.1" */
80 int max_backoff; /* Maximum reconnection backoff, in seconds. */
81 int probe_interval; /* Max idle time before probing, in seconds. */
82 enum ofproto_band band; /* In-band or out-of-band? */
84 /* OpenFlow packet-in rate-limiting. */
85 int rate_limit; /* Max packet-in rate in packets per second. */
86 int burst_limit; /* Limit on accumulating packet credits. */
89 #define DEFAULT_MFR_DESC "Nicira Networks, Inc."
90 #define DEFAULT_HW_DESC "Open vSwitch"
91 #define DEFAULT_SW_DESC VERSION BUILDNR
92 #define DEFAULT_SERIAL_DESC "None"
93 #define DEFAULT_DP_DESC "None"
95 void ofproto_parse_name(const char *name, char **dp_name, char **dp_type);
97 int ofproto_create(const char *datapath, const char *datapath_type,
98 struct ofproto **ofprotop);
99 void ofproto_destroy(struct ofproto *);
100 int ofproto_run(struct ofproto *);
101 void ofproto_wait(struct ofproto *);
102 bool ofproto_is_alive(const struct ofproto *);
104 /* A port within an OpenFlow switch.
106 * 'name' and 'type' are suitable for passing to netdev_open(). */
107 struct ofproto_port {
108 char *name; /* Network device name, e.g. "eth0". */
109 char *type; /* Network device type, e.g. "system". */
110 uint16_t ofp_port; /* OpenFlow port number. */
112 void ofproto_port_clone(struct ofproto_port *, const struct ofproto_port *);
113 void ofproto_port_destroy(struct ofproto_port *);
115 struct ofproto_port_dump {
116 const struct ofproto *ofproto;
120 void ofproto_port_dump_start(struct ofproto_port_dump *,
121 const struct ofproto *);
122 bool ofproto_port_dump_next(struct ofproto_port_dump *, struct ofproto_port *);
123 int ofproto_port_dump_done(struct ofproto_port_dump *);
125 /* Iterates through each OFPROTO_PORT in OFPROTO, using DUMP as state.
127 * Arguments all have pointer type.
129 * If you break out of the loop, then you need to free the dump structure by
130 * hand using ofproto_port_dump_done(). */
131 #define OFPROTO_PORT_FOR_EACH(OFPROTO_PORT, DUMP, OFPROTO) \
132 for (ofproto_port_dump_start(DUMP, OFPROTO); \
133 (ofproto_port_dump_next(DUMP, OFPROTO_PORT) \
135 : (ofproto_port_dump_done(DUMP), false)); \
138 int ofproto_port_add(struct ofproto *, struct netdev *, uint16_t *ofp_portp);
139 int ofproto_port_del(struct ofproto *, uint16_t ofp_port);
141 int ofproto_port_query_by_name(const struct ofproto *, const char *devname,
142 struct ofproto_port *);
144 /* Top-level configuration. */
145 void ofproto_set_datapath_id(struct ofproto *, uint64_t datapath_id);
146 void ofproto_set_controllers(struct ofproto *,
147 const struct ofproto_controller *, size_t n);
148 void ofproto_set_fail_mode(struct ofproto *, enum ofproto_fail_mode fail_mode);
149 void ofproto_reconnect_controllers(struct ofproto *);
150 void ofproto_set_extra_in_band_remotes(struct ofproto *,
151 const struct sockaddr_in *, size_t n);
152 void ofproto_set_in_band_queue(struct ofproto *, int queue_id);
153 void ofproto_set_desc(struct ofproto *,
154 const char *mfr_desc, const char *hw_desc,
155 const char *sw_desc, const char *serial_desc,
156 const char *dp_desc);
157 int ofproto_set_snoops(struct ofproto *, const struct sset *snoops);
158 int ofproto_set_netflow(struct ofproto *,
159 const struct netflow_options *nf_options);
160 void ofproto_set_sflow(struct ofproto *, const struct ofproto_sflow_options *);
162 /* Configuration of ports. */
164 void ofproto_port_unregister(struct ofproto *, uint16_t ofp_port);
166 void ofproto_port_clear_cfm(struct ofproto *, uint16_t ofp_port);
167 void ofproto_port_set_cfm(struct ofproto *, uint16_t ofp_port,
169 const uint16_t *remote_mps, size_t n_remote_mps);
170 const struct cfm *ofproto_port_get_cfm(struct ofproto *, uint16_t ofp_port);
171 int ofproto_port_is_lacp_current(struct ofproto *, uint16_t ofp_port);
173 /* Configuration of bundles. */
174 struct ofproto_bundle_settings {
175 char *name; /* For use in log messages. */
177 uint16_t *slaves; /* OpenFlow port numbers for slaves. */
180 int vlan; /* VLAN if access port, -1 if trunk port. */
181 unsigned long *trunks; /* vlan_bitmap, NULL to trunk all VLANs. */
183 struct bond_settings *bond; /* Must be nonnull iff if n_slaves > 1. */
185 struct lacp_settings *lacp; /* Nonnull to enable LACP. */
186 struct lacp_slave_settings *lacp_slaves; /* Array of n_slaves elements. */
189 void ofproto_bundle_register(struct ofproto *, void *aux,
190 const struct ofproto_bundle_settings *);
191 void ofproto_bundle_unregister(struct ofproto *, void *aux);
193 /* Configuration of mirrors. */
194 struct ofproto_mirror_settings {
195 /* Name for log messages. */
198 /* Bundles that select packets for mirroring upon ingress. */
199 void **srcs; /* A set of registered ofbundle handles. */
202 /* Bundles that select packets for mirroring upon egress. */
203 void **dsts; /* A set of registered ofbundle handles. */
206 /* VLANs of packets to select for mirroring. */
207 unsigned long *src_vlans; /* vlan_bitmap, NULL selects all VLANs. */
209 /* Output (mutually exclusive). */
210 void *out_bundle; /* A registered ofbundle handle or NULL. */
211 uint16_t out_vlan; /* Output VLAN, only if out_bundle is NULL. */
214 void ofproto_mirror_register(struct ofproto *, void *aux,
215 const struct ofproto_mirror_settings *);
216 void ofproto_mirror_unregister(struct ofproto *, void *aux);
218 void ofproto_set_flood_vlans(struct ofproto *, unsigned long *flood_vlans);
219 bool ofproto_is_mirror_output_bundle(struct ofproto *, void *aux);
221 /* Configuration querying. */
222 bool ofproto_has_snoops(const struct ofproto *);
223 void ofproto_get_snoops(const struct ofproto *, struct sset *);
224 void ofproto_get_all_flows(struct ofproto *p, struct ds *);
225 void ofproto_get_netflow_ids(const struct ofproto *,
226 uint8_t *engine_type, uint8_t *engine_id);
228 void ofproto_get_ofproto_controller_info(const struct ofproto *, struct shash *);
229 void ofproto_free_ofproto_controller_info(struct shash *);
235 #endif /* ofproto.h */