2 * Copyright (c) 2009, 2010 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.
43 uint64_t packet_count; /* Packets from subrules. */
44 uint64_t byte_count; /* Bytes from subrules. */
45 long long int used; /* Last-used time (0 if never used). */
48 struct ofproto_sflow_options {
50 uint32_t sampling_rate;
51 uint32_t polling_interval;
58 /* How the switch should act if the controller cannot be contacted. */
59 enum ofproto_fail_mode {
60 OFPROTO_FAIL_SECURE, /* Preserve flow table. */
61 OFPROTO_FAIL_STANDALONE /* Act as a standalone switch. */
65 OFPROTO_IN_BAND, /* In-band connection to controller. */
66 OFPROTO_OUT_OF_BAND /* Out-of-band connection to controller. */
69 struct ofproto_controller {
70 char *target; /* e.g. "tcp:127.0.0.1" */
71 int max_backoff; /* Maximum reconnection backoff, in seconds. */
72 int probe_interval; /* Max idle time before probing, in seconds. */
73 enum ofproto_fail_mode fail; /* Controller failure handling mode. */
74 enum ofproto_band band; /* In-band or out-of-band? */
76 /* Discovery options. */
77 char *accept_re; /* Regexp for acceptable controllers. */
78 bool update_resolv_conf; /* Update /etc/resolv.conf? */
80 /* OpenFlow packet-in rate-limiting. */
81 int rate_limit; /* Max packet-in rate in packets per second. */
82 int burst_limit; /* Limit on accumulating packet credits. */
85 #define DEFAULT_MFR_DESC "Nicira Networks, Inc."
86 #define DEFAULT_HW_DESC "Open vSwitch"
87 #define DEFAULT_SW_DESC VERSION BUILDNR
88 #define DEFAULT_SERIAL_DESC "None"
89 #define DEFAULT_DP_DESC "None"
91 int ofproto_create(const char *datapath, const char *datapath_type,
92 const struct ofhooks *, void *aux,
93 struct ofproto **ofprotop);
94 void ofproto_destroy(struct ofproto *);
95 int ofproto_run(struct ofproto *);
96 int ofproto_run1(struct ofproto *);
97 int ofproto_run2(struct ofproto *, bool revalidate_all);
98 void ofproto_wait(struct ofproto *);
99 bool ofproto_is_alive(const struct ofproto *);
102 void ofproto_set_datapath_id(struct ofproto *, uint64_t datapath_id);
103 void ofproto_set_controllers(struct ofproto *,
104 const struct ofproto_controller *, size_t n);
105 void ofproto_set_desc(struct ofproto *,
106 const char *mfr_desc, const char *hw_desc,
107 const char *sw_desc, const char *serial_desc,
108 const char *dp_desc);
109 int ofproto_set_listeners(struct ofproto *, const struct svec *listeners);
110 int ofproto_set_snoops(struct ofproto *, const struct svec *snoops);
111 int ofproto_set_netflow(struct ofproto *,
112 const struct netflow_options *nf_options);
113 void ofproto_set_sflow(struct ofproto *, const struct ofproto_sflow_options *);
114 int ofproto_set_stp(struct ofproto *, bool enable_stp);
116 /* Configuration querying. */
117 uint64_t ofproto_get_datapath_id(const struct ofproto *);
118 bool ofproto_has_controller(const struct ofproto *);
119 void ofproto_get_listeners(const struct ofproto *, struct svec *);
120 void ofproto_get_snoops(const struct ofproto *, struct svec *);
121 void ofproto_get_all_flows(struct ofproto *p, struct ds *);
123 /* Functions for use by ofproto implementation modules, not by clients. */
124 int ofproto_send_packet(struct ofproto *, const flow_t *,
125 const union ofp_action *, size_t n_actions,
126 const struct ofpbuf *);
127 void ofproto_add_flow(struct ofproto *, const flow_t *, uint32_t wildcards,
128 unsigned int priority,
129 const union ofp_action *, size_t n_actions,
131 void ofproto_delete_flow(struct ofproto *, const flow_t *, uint32_t wildcards,
132 unsigned int priority);
133 void ofproto_flush_flows(struct ofproto *);
135 /* Hooks for ovs-vswitchd. */
137 void (*port_changed_cb)(enum ofp_port_reason, const struct ofp_phy_port *,
139 bool (*normal_cb)(const flow_t *, const struct ofpbuf *packet,
140 struct odp_actions *, tag_type *,
141 uint16_t *nf_output_iface, void *aux);
142 void (*account_flow_cb)(const flow_t *, const union odp_action *,
143 size_t n_actions, unsigned long long int n_bytes,
145 void (*account_checkpoint_cb)(void *aux);
147 void ofproto_revalidate(struct ofproto *, tag_type);
148 struct tag_set *ofproto_get_revalidate_set(struct ofproto *);
154 #endif /* ofproto.h */