2 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
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.
23 #include "openvswitch/types.h"
29 /* Generic interface to network devices ("netdev"s).
31 * Every port on a switch must have a corresponding netdev that must minimally
32 * support a few operations, such as the ability to read the netdev's MTU.
33 * The PORTING file at the top of the source tree has more information in the
34 * "Writing a netdev Provider" section. */
36 struct netdev_saved_flags;
43 /* Network device statistics.
45 * Values of unsupported statistics are set to all-1-bits (UINT64_MAX). */
47 uint64_t rx_packets; /* Total packets received. */
48 uint64_t tx_packets; /* Total packets transmitted. */
49 uint64_t rx_bytes; /* Total bytes received. */
50 uint64_t tx_bytes; /* Total bytes transmitted. */
51 uint64_t rx_errors; /* Bad packets received. */
52 uint64_t tx_errors; /* Packet transmit problems. */
53 uint64_t rx_dropped; /* No buffer space. */
54 uint64_t tx_dropped; /* No buffer space. */
55 uint64_t multicast; /* Multicast packets received. */
58 /* Detailed receive errors. */
59 uint64_t rx_length_errors;
60 uint64_t rx_over_errors; /* Receiver ring buff overflow. */
61 uint64_t rx_crc_errors; /* Recved pkt with crc error. */
62 uint64_t rx_frame_errors; /* Recv'd frame alignment error. */
63 uint64_t rx_fifo_errors; /* Recv'r fifo overrun . */
64 uint64_t rx_missed_errors; /* Receiver missed packet. */
66 /* Detailed transmit errors. */
67 uint64_t tx_aborted_errors;
68 uint64_t tx_carrier_errors;
69 uint64_t tx_fifo_errors;
70 uint64_t tx_heartbeat_errors;
71 uint64_t tx_window_errors;
74 /* Configuration specific to tunnels. */
75 struct netdev_tunnel_config {
105 void netdev_run(void);
106 void netdev_wait(void);
108 void netdev_enumerate_types(struct sset *types);
110 /* Open and close. */
111 int netdev_open(const char *name, const char *type, struct netdev **);
112 void netdev_close(struct netdev *);
114 void netdev_parse_name(const char *netdev_name, char **name, char **type);
117 int netdev_set_config(struct netdev *, const struct smap *args);
118 int netdev_get_config(const struct netdev *, struct smap *);
119 const struct netdev_tunnel_config *
120 netdev_get_tunnel_config(const struct netdev *);
122 /* Basic properties. */
123 const char *netdev_get_name(const struct netdev *);
124 const char *netdev_get_type(const struct netdev *);
125 const char *netdev_get_type_from_name(const char *);
126 int netdev_get_mtu(const struct netdev *, int *mtup);
127 int netdev_set_mtu(const struct netdev *, int mtu);
128 int netdev_get_ifindex(const struct netdev *);
130 /* Packet send and receive. */
131 int netdev_listen(struct netdev *);
132 int netdev_recv(struct netdev *, struct ofpbuf *);
133 void netdev_recv_wait(struct netdev *);
134 int netdev_drain(struct netdev *);
136 int netdev_send(struct netdev *, const struct ofpbuf *);
137 void netdev_send_wait(struct netdev *);
139 /* Hardware address. */
140 int netdev_set_etheraddr(struct netdev *, const uint8_t mac[6]);
141 int netdev_get_etheraddr(const struct netdev *, uint8_t mac[6]);
144 bool netdev_get_carrier(const struct netdev *);
145 long long int netdev_get_carrier_resets(const struct netdev *);
146 int netdev_set_miimon_interval(struct netdev *, long long int interval);
149 enum netdev_features {
150 NETDEV_F_10MB_HD = 1 << 0, /* 10 Mb half-duplex rate support. */
151 NETDEV_F_10MB_FD = 1 << 1, /* 10 Mb full-duplex rate support. */
152 NETDEV_F_100MB_HD = 1 << 2, /* 100 Mb half-duplex rate support. */
153 NETDEV_F_100MB_FD = 1 << 3, /* 100 Mb full-duplex rate support. */
154 NETDEV_F_1GB_HD = 1 << 4, /* 1 Gb half-duplex rate support. */
155 NETDEV_F_1GB_FD = 1 << 5, /* 1 Gb full-duplex rate support. */
156 NETDEV_F_10GB_FD = 1 << 6, /* 10 Gb full-duplex rate support. */
157 NETDEV_F_40GB_FD = 1 << 7, /* 40 Gb full-duplex rate support. */
158 NETDEV_F_100GB_FD = 1 << 8, /* 100 Gb full-duplex rate support. */
159 NETDEV_F_1TB_FD = 1 << 9, /* 1 Tb full-duplex rate support. */
160 NETDEV_F_OTHER = 1 << 10, /* Other rate, not in the list. */
161 NETDEV_F_COPPER = 1 << 11, /* Copper medium. */
162 NETDEV_F_FIBER = 1 << 12, /* Fiber medium. */
163 NETDEV_F_AUTONEG = 1 << 13, /* Auto-negotiation. */
164 NETDEV_F_PAUSE = 1 << 14, /* Pause. */
165 NETDEV_F_PAUSE_ASYM = 1 << 15, /* Asymmetric pause. */
168 int netdev_get_features(const struct netdev *,
169 enum netdev_features *current,
170 enum netdev_features *advertised,
171 enum netdev_features *supported,
172 enum netdev_features *peer);
173 uint64_t netdev_features_to_bps(enum netdev_features features,
174 uint64_t default_bps);
175 bool netdev_features_is_full_duplex(enum netdev_features features);
176 int netdev_set_advertisements(struct netdev *, enum netdev_features advertise);
180 NETDEV_UP = 0x0001, /* Device enabled? */
181 NETDEV_PROMISC = 0x0002, /* Promiscuous mode? */
182 NETDEV_LOOPBACK = 0x0004 /* This is a loopback device. */
185 int netdev_get_flags(const struct netdev *, enum netdev_flags *);
186 int netdev_set_flags(struct netdev *, enum netdev_flags,
187 struct netdev_saved_flags **);
188 int netdev_turn_flags_on(struct netdev *, enum netdev_flags,
189 struct netdev_saved_flags **);
190 int netdev_turn_flags_off(struct netdev *, enum netdev_flags,
191 struct netdev_saved_flags **);
193 void netdev_restore_flags(struct netdev_saved_flags *);
195 /* TCP/IP stack interface. */
196 int netdev_get_in4(const struct netdev *, struct in_addr *address,
197 struct in_addr *netmask);
198 int netdev_set_in4(struct netdev *, struct in_addr addr, struct in_addr mask);
199 int netdev_get_in4_by_name(const char *device_name, struct in_addr *in4);
200 int netdev_get_in6(const struct netdev *, struct in6_addr *);
201 int netdev_add_router(struct netdev *, struct in_addr router);
202 int netdev_get_next_hop(const struct netdev *, const struct in_addr *host,
203 struct in_addr *next_hop, char **);
204 int netdev_get_status(const struct netdev *, struct smap *);
205 int netdev_arp_lookup(const struct netdev *, ovs_be32 ip, uint8_t mac[6]);
207 struct netdev *netdev_find_dev_by_in4(const struct in_addr *);
210 int netdev_get_stats(const struct netdev *, struct netdev_stats *);
211 int netdev_set_stats(struct netdev *, const struct netdev_stats *);
213 /* Quality of service. */
214 struct netdev_qos_capabilities {
215 unsigned int n_queues;
218 struct netdev_queue_stats {
219 /* Values of unsupported statistics are set to all-1-bits (UINT64_MAX). */
225 int netdev_set_policing(struct netdev *, uint32_t kbits_rate,
226 uint32_t kbits_burst);
228 int netdev_get_qos_types(const struct netdev *, struct sset *types);
229 int netdev_get_qos_capabilities(const struct netdev *,
231 struct netdev_qos_capabilities *);
232 int netdev_get_n_queues(const struct netdev *,
233 const char *type, unsigned int *n_queuesp);
235 int netdev_get_qos(const struct netdev *,
236 const char **typep, struct smap *details);
237 int netdev_set_qos(struct netdev *,
238 const char *type, const struct smap *details);
240 int netdev_get_queue(const struct netdev *,
241 unsigned int queue_id, struct smap *details);
242 int netdev_set_queue(struct netdev *,
243 unsigned int queue_id, const struct smap *details);
244 int netdev_delete_queue(struct netdev *, unsigned int queue_id);
245 int netdev_get_queue_stats(const struct netdev *, unsigned int queue_id,
246 struct netdev_queue_stats *);
248 typedef void netdev_dump_queues_cb(unsigned int queue_id,
249 const struct smap *details, void *aux);
250 int netdev_dump_queues(const struct netdev *,
251 netdev_dump_queues_cb *, void *aux);
253 typedef void netdev_dump_queue_stats_cb(unsigned int queue_id,
254 struct netdev_queue_stats *,
256 int netdev_dump_queue_stats(const struct netdev *,
257 netdev_dump_queue_stats_cb *, void *aux);
259 unsigned int netdev_change_seq(const struct netdev *netdev);
265 #endif /* netdev.h */