2 * Copyright (c) 2008, 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.
23 #include "openvswitch/types.h"
29 /* Generic interface to network devices.
31 * Currently, there is a single implementation of this interface that supports
32 * Linux. The interface should be generic enough to be implementable on other
33 * operating systems as well. */
42 NETDEV_UP = 0x0001, /* Device enabled? */
43 NETDEV_PROMISC = 0x0002, /* Promiscuous mode? */
44 NETDEV_LOOPBACK = 0x0004 /* This is a loopback device. */
47 /* Network device statistics.
49 * Values of unsupported statistics are set to all-1-bits (UINT64_MAX). */
51 uint64_t rx_packets; /* Total packets received. */
52 uint64_t tx_packets; /* Total packets transmitted. */
53 uint64_t rx_bytes; /* Total bytes received. */
54 uint64_t tx_bytes; /* Total bytes transmitted. */
55 uint64_t rx_errors; /* Bad packets received. */
56 uint64_t tx_errors; /* Packet transmit problems. */
57 uint64_t rx_dropped; /* No buffer space. */
58 uint64_t tx_dropped; /* No buffer space. */
59 uint64_t multicast; /* Multicast packets received. */
62 /* Detailed receive errors. */
63 uint64_t rx_length_errors;
64 uint64_t rx_over_errors; /* Receiver ring buff overflow. */
65 uint64_t rx_crc_errors; /* Recved pkt with crc error. */
66 uint64_t rx_frame_errors; /* Recv'd frame alignment error. */
67 uint64_t rx_fifo_errors; /* Recv'r fifo overrun . */
68 uint64_t rx_missed_errors; /* Receiver missed packet. */
70 /* Detailed transmit errors. */
71 uint64_t tx_aborted_errors;
72 uint64_t tx_carrier_errors;
73 uint64_t tx_fifo_errors;
74 uint64_t tx_heartbeat_errors;
75 uint64_t tx_window_errors;
81 void netdev_run(void);
82 void netdev_wait(void);
84 void netdev_enumerate_types(struct sset *types);
87 int netdev_open(const char *name, const char *type, struct netdev **);
88 void netdev_close(struct netdev *);
90 bool netdev_exists(const char *name);
91 bool netdev_is_open(const char *name);
93 int netdev_enumerate(struct sset *);
95 void netdev_parse_name(const char *netdev_name, char **name, char **type);
98 int netdev_set_config(struct netdev *, const struct shash *args);
99 int netdev_get_config(const struct netdev *, struct shash *);
101 /* Basic properties. */
102 const char *netdev_get_name(const struct netdev *);
103 const char *netdev_get_type(const struct netdev *);
104 int netdev_get_mtu(const struct netdev *, int *mtup);
105 int netdev_set_mtu(const struct netdev *, int mtu);
106 int netdev_get_ifindex(const struct netdev *);
108 /* Packet send and receive. */
109 int netdev_listen(struct netdev *);
110 int netdev_recv(struct netdev *, struct ofpbuf *);
111 void netdev_recv_wait(struct netdev *);
112 int netdev_drain(struct netdev *);
114 int netdev_send(struct netdev *, const struct ofpbuf *);
115 void netdev_send_wait(struct netdev *);
117 /* Hardware address. */
118 int netdev_set_etheraddr(struct netdev *, const uint8_t mac[6]);
119 int netdev_get_etheraddr(const struct netdev *, uint8_t mac[6]);
122 bool netdev_get_carrier(const struct netdev *);
123 int netdev_set_miimon_interval(struct netdev *, long long int interval);
124 int netdev_get_features(const struct netdev *,
125 uint32_t *current, uint32_t *advertised,
126 uint32_t *supported, uint32_t *peer);
127 uint64_t netdev_features_to_bps(uint32_t features);
128 bool netdev_features_is_full_duplex(uint32_t features);
129 int netdev_set_advertisements(struct netdev *, uint32_t advertise);
131 /* TCP/IP stack interface. */
132 int netdev_get_in4(const struct netdev *, struct in_addr *address,
133 struct in_addr *netmask);
134 int netdev_set_in4(struct netdev *, struct in_addr addr, struct in_addr mask);
135 int netdev_get_in6(const struct netdev *, struct in6_addr *);
136 int netdev_add_router(struct netdev *, struct in_addr router);
137 int netdev_get_next_hop(const struct netdev *, const struct in_addr *host,
138 struct in_addr *next_hop, char **);
139 int netdev_get_status(const struct netdev *, struct shash *sh);
140 int netdev_arp_lookup(const struct netdev *, ovs_be32 ip, uint8_t mac[6]);
142 int netdev_get_flags(const struct netdev *, enum netdev_flags *);
143 int netdev_set_flags(struct netdev *, enum netdev_flags, bool permanent);
144 int netdev_turn_flags_on(struct netdev *, enum netdev_flags, bool permanent);
145 int netdev_turn_flags_off(struct netdev *, enum netdev_flags, bool permanent);
146 struct netdev *netdev_find_dev_by_in4(const struct in_addr *);
149 int netdev_get_stats(const struct netdev *, struct netdev_stats *);
150 int netdev_set_stats(struct netdev *, const struct netdev_stats *);
152 /* Quality of service. */
153 struct netdev_qos_capabilities {
154 unsigned int n_queues;
157 struct netdev_queue_stats {
158 /* Values of unsupported statistics are set to all-1-bits (UINT64_MAX). */
164 int netdev_set_policing(struct netdev *, uint32_t kbits_rate,
165 uint32_t kbits_burst);
167 int netdev_get_qos_types(const struct netdev *, struct sset *types);
168 int netdev_get_qos_capabilities(const struct netdev *,
170 struct netdev_qos_capabilities *);
171 int netdev_get_n_queues(const struct netdev *,
172 const char *type, unsigned int *n_queuesp);
174 int netdev_get_qos(const struct netdev *,
175 const char **typep, struct shash *details);
176 int netdev_set_qos(struct netdev *,
177 const char *type, const struct shash *details);
179 int netdev_get_queue(const struct netdev *,
180 unsigned int queue_id, struct shash *details);
181 int netdev_set_queue(struct netdev *,
182 unsigned int queue_id, const struct shash *details);
183 int netdev_delete_queue(struct netdev *, unsigned int queue_id);
184 int netdev_get_queue_stats(const struct netdev *, unsigned int queue_id,
185 struct netdev_queue_stats *);
187 typedef void netdev_dump_queues_cb(unsigned int queue_id,
188 const struct shash *details, void *aux);
189 int netdev_dump_queues(const struct netdev *,
190 netdev_dump_queues_cb *, void *aux);
192 typedef void netdev_dump_queue_stats_cb(unsigned int queue_id,
193 struct netdev_queue_stats *,
195 int netdev_dump_queue_stats(const struct netdev *,
196 netdev_dump_queue_stats_cb *, void *aux);
198 unsigned int netdev_change_seq(const struct netdev *netdev);
201 int netdev_get_vlan_vid(const struct netdev *, int *vlan_vid);
207 #endif /* netdev.h */