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git.proxmox.com Git - 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.
24 /* Generic interface to network devices.
26 * Currently, there is a single implementation of this interface that supports
27 * Linux. The interface should be generic enough to be implementable on other
28 * operating systems as well. */
36 NETDEV_UP
= 0x0001, /* Device enabled? */
37 NETDEV_PROMISC
= 0x0002, /* Promiscuous mode? */
38 NETDEV_LOOPBACK
= 0x0004 /* This is a loopback device. */
41 enum netdev_pseudo_ethertype
{
42 NETDEV_ETH_TYPE_NONE
= -128, /* Receive no frames. */
43 NETDEV_ETH_TYPE_ANY
, /* Receive all frames. */
44 NETDEV_ETH_TYPE_802_2
/* Receive all IEEE 802.2 frames. */
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
;
80 int netdev_initialize(void);
81 void netdev_run(void);
82 void netdev_wait(void);
84 int netdev_open(const char *name
, int ethertype
, struct netdev
**);
85 void netdev_close(struct netdev
*);
87 bool netdev_exists(const char *name
);
89 int netdev_enumerate(struct svec
*);
91 const char *netdev_get_name(const struct netdev
*);
92 int netdev_get_mtu(const struct netdev
*, int *mtup
);
94 int netdev_recv(struct netdev
*, struct ofpbuf
*);
95 void netdev_recv_wait(struct netdev
*);
96 int netdev_drain(struct netdev
*);
98 int netdev_send(struct netdev
*, const struct ofpbuf
*);
99 void netdev_send_wait(struct netdev
*);
101 int netdev_set_etheraddr(struct netdev
*, const uint8_t mac
[6]);
102 int netdev_get_etheraddr(const struct netdev
*, uint8_t mac
[6]);
104 int netdev_get_carrier(const struct netdev
*, bool *carrier
);
105 int netdev_get_features(struct netdev
*,
106 uint32_t *current
, uint32_t *advertised
,
107 uint32_t *supported
, uint32_t *peer
);
108 int netdev_set_advertisements(struct netdev
*, uint32_t advertise
);
110 int netdev_get_in4(const struct netdev
*, struct in_addr
*address
,
111 struct in_addr
*netmask
);
112 int netdev_set_in4(struct netdev
*, struct in_addr addr
, struct in_addr mask
);
113 int netdev_get_in6(const struct netdev
*, struct in6_addr
*);
114 int netdev_add_router(struct netdev
*, struct in_addr router
);
115 int netdev_get_next_hop(const struct netdev
*, const struct in_addr
*host
,
116 struct in_addr
*next_hop
, char **);
117 int netdev_arp_lookup(const struct netdev
*, uint32_t ip
, uint8_t mac
[6]);
119 int netdev_get_flags(const struct netdev
*, enum netdev_flags
*);
120 int netdev_set_flags(struct netdev
*, enum netdev_flags
, bool permanent
);
121 int netdev_turn_flags_on(struct netdev
*, enum netdev_flags
, bool permanent
);
122 int netdev_turn_flags_off(struct netdev
*, enum netdev_flags
, bool permanent
);
124 int netdev_get_stats(const struct netdev
*, struct netdev_stats
*);
125 int netdev_set_policing(struct netdev
*, uint32_t kbits_rate
,
126 uint32_t kbits_burst
);
128 int netdev_get_vlan_vid(const struct netdev
*, int *vlan_vid
);
129 struct netdev
*netdev_find_dev_by_in4(const struct in_addr
*);
131 struct netdev_monitor
*netdev_monitor_create(void);
132 void netdev_monitor_destroy(struct netdev_monitor
*);
133 int netdev_monitor_add(struct netdev_monitor
*, struct netdev
*);
134 void netdev_monitor_remove(struct netdev_monitor
*, struct netdev
*);
135 int netdev_monitor_poll(struct netdev_monitor
*, char **devnamep
);
136 void netdev_monitor_poll_wait(const struct netdev_monitor
*);
138 #endif /* netdev.h */