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/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef OPENVSWITCH_NETDEV_H
#define OPENVSWITCH_NETDEV_H 1
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
struct netdev;
struct ds;
/* Maximum name length for custom statistics counters */
#define NETDEV_CUSTOM_STATS_NAME_SIZE 64
/* Network device statistics.
*
* Values of unsupported statistics are set to all-1-bits (UINT64_MAX). */
struct netdev_stats {
uint64_t rx_packets; /* Total packets received. */
uint64_t tx_packets; /* Total packets transmitted. */
uint64_t rx_bytes; /* Total bytes received. */
uint64_t tx_bytes; /* Total bytes transmitted. */
uint64_t rx_errors; /* Bad packets received. */
uint64_t tx_errors; /* Packet transmit problems. */
uint64_t rx_dropped; /* No buffer space. */
uint64_t tx_dropped; /* No buffer space. */
uint64_t multicast; /* Multicast packets received. */
uint64_t collisions;
/* Detailed receive errors. */
uint64_t rx_length_errors;
uint64_t rx_over_errors; /* Receiver ring buff overflow. */
uint64_t rx_crc_errors; /* Recved pkt with crc error. */
uint64_t rx_frame_errors; /* Recv'd frame alignment error. */
uint64_t rx_fifo_errors; /* Recv'r fifo overrun . */
uint64_t rx_missed_errors; /* Receiver missed packet. */
/* Detailed transmit errors. */
uint64_t tx_aborted_errors;
uint64_t tx_carrier_errors;
uint64_t tx_fifo_errors;
uint64_t tx_heartbeat_errors;
uint64_t tx_window_errors;
/* Extended statistics based on RFC2819. */
uint64_t rx_1_to_64_packets;
uint64_t rx_65_to_127_packets;
uint64_t rx_128_to_255_packets;
uint64_t rx_256_to_511_packets;
uint64_t rx_512_to_1023_packets;
uint64_t rx_1024_to_1522_packets;
uint64_t rx_1523_to_max_packets;
uint64_t tx_1_to_64_packets;
uint64_t tx_65_to_127_packets;
uint64_t tx_128_to_255_packets;
uint64_t tx_256_to_511_packets;
uint64_t tx_512_to_1023_packets;
uint64_t tx_1024_to_1522_packets;
uint64_t tx_1523_to_max_packets;
uint64_t tx_multicast_packets;
uint64_t rx_broadcast_packets;
uint64_t tx_broadcast_packets;
uint64_t rx_undersized_errors;
uint64_t rx_oversize_errors;
uint64_t rx_fragmented_errors;
uint64_t rx_jabber_errors;
/* Datapath upcall statistics. */
uint64_t upcall_packets; /* Rx packets forwarded to userspace. */
uint64_t upcall_errors; /* Rx packets failed forwarding to userspace. */
};
/* Structure representation of custom statistics counter */
struct netdev_custom_counter {
uint64_t value;
char name[NETDEV_CUSTOM_STATS_NAME_SIZE];
};
/* Structure representation of custom statistics */
struct netdev_custom_stats {
uint16_t size;
struct netdev_custom_counter *counters;
};
/* Features. */
enum netdev_features {
NETDEV_F_10MB_HD = 1 << 0, /* 10 Mb half-duplex rate support. */
NETDEV_F_10MB_FD = 1 << 1, /* 10 Mb full-duplex rate support. */
NETDEV_F_100MB_HD = 1 << 2, /* 100 Mb half-duplex rate support. */
NETDEV_F_100MB_FD = 1 << 3, /* 100 Mb full-duplex rate support. */
NETDEV_F_1GB_HD = 1 << 4, /* 1 Gb half-duplex rate support. */
NETDEV_F_1GB_FD = 1 << 5, /* 1 Gb full-duplex rate support. */
NETDEV_F_10GB_FD = 1 << 6, /* 10 Gb full-duplex rate support. */
NETDEV_F_40GB_FD = 1 << 7, /* 40 Gb full-duplex rate support. */
NETDEV_F_100GB_FD = 1 << 8, /* 100 Gb full-duplex rate support. */
NETDEV_F_1TB_FD = 1 << 9, /* 1 Tb full-duplex rate support. */
NETDEV_F_OTHER = 1 << 10, /* Other rate, not in the list. */
NETDEV_F_COPPER = 1 << 11, /* Copper medium. */
NETDEV_F_FIBER = 1 << 12, /* Fiber medium. */
NETDEV_F_AUTONEG = 1 << 13, /* Auto-negotiation. */
NETDEV_F_PAUSE = 1 << 14, /* Pause. */
NETDEV_F_PAUSE_ASYM = 1 << 15, /* Asymmetric pause. */
};
#define NETDEV_DEFAULT_BPS UINT64_C(10 * 1000 * 1000 * 1000)
int netdev_get_features(const struct netdev *,
enum netdev_features *current,
enum netdev_features *advertised,
enum netdev_features *supported,
enum netdev_features *peer);
uint64_t netdev_features_to_bps(enum netdev_features features,
uint64_t default_bps);
bool netdev_features_is_full_duplex(enum netdev_features features);
int netdev_set_advertisements(struct netdev *, enum netdev_features advertise);
void netdev_features_format(struct ds *, enum netdev_features);
void netdev_free_custom_stats_counters(struct netdev_custom_stats *);
#ifdef __cplusplus
}
#endif
#endif /* netdev.h */
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