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 void netdev_parse_name(const char *netdev_name
, char **name
, char **type
);
96 int netdev_set_config(struct netdev
*, const struct shash
*args
);
97 int netdev_get_config(const struct netdev
*, struct shash
*);
99 /* Basic properties. */
100 const char *netdev_get_name(const struct netdev
*);
101 const char *netdev_get_type(const struct netdev
*);
102 int netdev_get_mtu(const struct netdev
*, int *mtup
);
103 int netdev_set_mtu(const struct netdev
*, int mtu
);
104 int netdev_get_ifindex(const struct netdev
*);
106 /* Packet send and receive. */
107 int netdev_listen(struct netdev
*);
108 int netdev_recv(struct netdev
*, struct ofpbuf
*);
109 void netdev_recv_wait(struct netdev
*);
110 int netdev_drain(struct netdev
*);
112 int netdev_send(struct netdev
*, const struct ofpbuf
*);
113 void netdev_send_wait(struct netdev
*);
115 /* Hardware address. */
116 int netdev_set_etheraddr(struct netdev
*, const uint8_t mac
[6]);
117 int netdev_get_etheraddr(const struct netdev
*, uint8_t mac
[6]);
120 bool netdev_get_carrier(const struct netdev
*);
121 long long int netdev_get_carrier_resets(const struct netdev
*);
122 int netdev_set_miimon_interval(struct netdev
*, long long int interval
);
123 int netdev_get_features(const struct netdev
*,
124 uint32_t *current
, uint32_t *advertised
,
125 uint32_t *supported
, uint32_t *peer
);
126 uint64_t netdev_features_to_bps(uint32_t features
);
127 bool netdev_features_is_full_duplex(uint32_t features
);
128 int netdev_set_advertisements(struct netdev
*, uint32_t advertise
);
130 /* TCP/IP stack interface. */
131 int netdev_get_in4(const struct netdev
*, struct in_addr
*address
,
132 struct in_addr
*netmask
);
133 int netdev_set_in4(struct netdev
*, struct in_addr addr
, struct in_addr mask
);
134 int netdev_get_in6(const struct netdev
*, struct in6_addr
*);
135 int netdev_add_router(struct netdev
*, struct in_addr router
);
136 int netdev_get_next_hop(const struct netdev
*, const struct in_addr
*host
,
137 struct in_addr
*next_hop
, char **);
138 int netdev_get_status(const struct netdev
*, struct shash
*sh
);
139 int netdev_arp_lookup(const struct netdev
*, ovs_be32 ip
, uint8_t mac
[6]);
141 int netdev_get_flags(const struct netdev
*, enum netdev_flags
*);
142 int netdev_set_flags(struct netdev
*, enum netdev_flags
, bool permanent
);
143 int netdev_turn_flags_on(struct netdev
*, enum netdev_flags
, bool permanent
);
144 int netdev_turn_flags_off(struct netdev
*, enum netdev_flags
, bool permanent
);
145 struct netdev
*netdev_find_dev_by_in4(const struct in_addr
*);
148 int netdev_get_stats(const struct netdev
*, struct netdev_stats
*);
149 int netdev_set_stats(struct netdev
*, const struct netdev_stats
*);
151 /* Quality of service. */
152 struct netdev_qos_capabilities
{
153 unsigned int n_queues
;
156 struct netdev_queue_stats
{
157 /* Values of unsupported statistics are set to all-1-bits (UINT64_MAX). */
163 int netdev_set_policing(struct netdev
*, uint32_t kbits_rate
,
164 uint32_t kbits_burst
);
166 int netdev_get_qos_types(const struct netdev
*, struct sset
*types
);
167 int netdev_get_qos_capabilities(const struct netdev
*,
169 struct netdev_qos_capabilities
*);
170 int netdev_get_n_queues(const struct netdev
*,
171 const char *type
, unsigned int *n_queuesp
);
173 int netdev_get_qos(const struct netdev
*,
174 const char **typep
, struct shash
*details
);
175 int netdev_set_qos(struct netdev
*,
176 const char *type
, const struct shash
*details
);
178 int netdev_get_queue(const struct netdev
*,
179 unsigned int queue_id
, struct shash
*details
);
180 int netdev_set_queue(struct netdev
*,
181 unsigned int queue_id
, const struct shash
*details
);
182 int netdev_delete_queue(struct netdev
*, unsigned int queue_id
);
183 int netdev_get_queue_stats(const struct netdev
*, unsigned int queue_id
,
184 struct netdev_queue_stats
*);
186 typedef void netdev_dump_queues_cb(unsigned int queue_id
,
187 const struct shash
*details
, void *aux
);
188 int netdev_dump_queues(const struct netdev
*,
189 netdev_dump_queues_cb
*, void *aux
);
191 typedef void netdev_dump_queue_stats_cb(unsigned int queue_id
,
192 struct netdev_queue_stats
*,
194 int netdev_dump_queue_stats(const struct netdev
*,
195 netdev_dump_queue_stats_cb
*, void *aux
);
197 unsigned int netdev_change_seq(const struct netdev
*netdev
);
200 int netdev_get_vlan_vid(const struct netdev
*, int *vlan_vid
);
206 #endif /* netdev.h */