]>
git.proxmox.com Git - mirror_ovs.git/blob - lib/netdev.h
2 * Copyright (c) 2008, 2009 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.
28 /* Generic interface to network devices.
30 * Currently, there is a single implementation of this interface that supports
31 * Linux. The interface should be generic enough to be implementable on other
32 * operating systems as well. */
41 NETDEV_UP
= 0x0001, /* Device enabled? */
42 NETDEV_PROMISC
= 0x0002, /* Promiscuous mode? */
43 NETDEV_LOOPBACK
= 0x0004 /* This is a loopback device. */
46 enum netdev_pseudo_ethertype
{
47 NETDEV_ETH_TYPE_NONE
= -128, /* Receive no frames. */
48 NETDEV_ETH_TYPE_ANY
, /* Receive all frames. */
49 NETDEV_ETH_TYPE_802_2
/* Receive all IEEE 802.2 frames. */
52 /* Network device statistics.
54 * Values of unsupported statistics are set to all-1-bits (UINT64_MAX). */
56 uint64_t rx_packets
; /* Total packets received. */
57 uint64_t tx_packets
; /* Total packets transmitted. */
58 uint64_t rx_bytes
; /* Total bytes received. */
59 uint64_t tx_bytes
; /* Total bytes transmitted. */
60 uint64_t rx_errors
; /* Bad packets received. */
61 uint64_t tx_errors
; /* Packet transmit problems. */
62 uint64_t rx_dropped
; /* No buffer space. */
63 uint64_t tx_dropped
; /* No buffer space. */
64 uint64_t multicast
; /* Multicast packets received. */
67 /* Detailed receive errors. */
68 uint64_t rx_length_errors
;
69 uint64_t rx_over_errors
; /* Receiver ring buff overflow. */
70 uint64_t rx_crc_errors
; /* Recved pkt with crc error. */
71 uint64_t rx_frame_errors
; /* Recv'd frame alignment error. */
72 uint64_t rx_fifo_errors
; /* Recv'r fifo overrun . */
73 uint64_t rx_missed_errors
; /* Receiver missed packet. */
75 /* Detailed transmit errors. */
76 uint64_t tx_aborted_errors
;
77 uint64_t tx_carrier_errors
;
78 uint64_t tx_fifo_errors
;
79 uint64_t tx_heartbeat_errors
;
80 uint64_t tx_window_errors
;
85 int netdev_initialize(void);
86 void netdev_run(void);
87 void netdev_wait(void);
89 int netdev_create(const char *name
, const char *type
,
90 const struct shash
*args
);
91 int netdev_destroy(const char *name
);
92 int netdev_reconfigure(const char *name
, const struct shash
*args
);
94 int netdev_open(const char *name
, int ethertype
, struct netdev
**);
95 void netdev_close(struct netdev
*);
97 bool netdev_exists(const char *name
);
99 int netdev_enumerate(struct svec
*);
101 const char *netdev_get_name(const struct netdev
*);
102 int netdev_get_mtu(const struct netdev
*, int *mtup
);
103 int netdev_get_ifindex(const struct netdev
*);
105 int netdev_recv(struct netdev
*, struct ofpbuf
*);
106 void netdev_recv_wait(struct netdev
*);
107 int netdev_drain(struct netdev
*);
109 int netdev_send(struct netdev
*, const struct ofpbuf
*);
110 void netdev_send_wait(struct netdev
*);
112 int netdev_set_etheraddr(struct netdev
*, const uint8_t mac
[6]);
113 int netdev_get_etheraddr(const struct netdev
*, uint8_t mac
[6]);
115 int netdev_get_carrier(const struct netdev
*, bool *carrier
);
116 int netdev_get_features(struct netdev
*,
117 uint32_t *current
, uint32_t *advertised
,
118 uint32_t *supported
, uint32_t *peer
);
119 uint64_t netdev_features_to_bps(uint32_t features
);
120 bool netdev_features_is_full_duplex(uint32_t features
);
121 int netdev_set_advertisements(struct netdev
*, uint32_t advertise
);
123 int netdev_get_in4(const struct netdev
*, struct in_addr
*address
,
124 struct in_addr
*netmask
);
125 int netdev_set_in4(struct netdev
*, struct in_addr addr
, struct in_addr mask
);
126 int netdev_get_in6(const struct netdev
*, struct in6_addr
*);
127 int netdev_add_router(struct netdev
*, struct in_addr router
);
128 int netdev_get_next_hop(const struct netdev
*, const struct in_addr
*host
,
129 struct in_addr
*next_hop
, char **);
130 int netdev_arp_lookup(const struct netdev
*, uint32_t ip
, uint8_t mac
[6]);
132 int netdev_get_flags(const struct netdev
*, enum netdev_flags
*);
133 int netdev_set_flags(struct netdev
*, enum netdev_flags
, bool permanent
);
134 int netdev_turn_flags_on(struct netdev
*, enum netdev_flags
, bool permanent
);
135 int netdev_turn_flags_off(struct netdev
*, enum netdev_flags
, bool permanent
);
137 int netdev_get_stats(const struct netdev
*, struct netdev_stats
*);
138 int netdev_set_policing(struct netdev
*, uint32_t kbits_rate
,
139 uint32_t kbits_burst
);
141 int netdev_get_vlan_vid(const struct netdev
*, int *vlan_vid
);
142 struct netdev
*netdev_find_dev_by_in4(const struct in_addr
*);
144 struct netdev_monitor
*netdev_monitor_create(void);
145 void netdev_monitor_destroy(struct netdev_monitor
*);
146 int netdev_monitor_add(struct netdev_monitor
*, struct netdev
*);
147 void netdev_monitor_remove(struct netdev_monitor
*, struct netdev
*);
148 int netdev_monitor_poll(struct netdev_monitor
*, char **devnamep
);
149 void netdev_monitor_poll_wait(const struct netdev_monitor
*);
155 #endif /* netdev.h */