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Diffstat (limited to 'lib/netdev.h')
| -rw-r--r-- | lib/netdev.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/lib/netdev.h b/lib/netdev.h new file mode 100644 index 000000000..63462c561 --- /dev/null +++ b/lib/netdev.h @@ -0,0 +1,116 @@ +/* + * Copyright (c) 2008, 2009 Nicira Networks. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef NETDEV_H +#define NETDEV_H 1 + +#include <stdbool.h> +#include <stddef.h> +#include <stdint.h> + +/* Generic interface to network devices. + * + * Currently, there is a single implementation of this interface that supports + * Linux. The interface should be generic enough to be implementable on other + * operating systems as well. */ + +struct ofpbuf; +struct in_addr; +struct in6_addr; +struct svec; + +enum netdev_flags { + NETDEV_UP = 0x0001, /* Device enabled? */ + NETDEV_PROMISC = 0x0002 /* Promiscuous mode? */ +}; + +enum netdev_pseudo_ethertype { + NETDEV_ETH_TYPE_NONE = -128, /* Receive no frames. */ + NETDEV_ETH_TYPE_ANY, /* Receive all frames. */ + NETDEV_ETH_TYPE_802_2 /* Receive all IEEE 802.2 frames. */ +}; + +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; +}; + +struct netdev; + +int netdev_open(const char *name, int ethertype, struct netdev **); +int netdev_open_tap(const char *name, struct netdev **); +void netdev_close(struct netdev *); + +int netdev_recv(struct netdev *, struct ofpbuf *); +void netdev_recv_wait(struct netdev *); +int netdev_drain(struct netdev *); +int netdev_send(struct netdev *, const struct ofpbuf *); +void netdev_send_wait(struct netdev *); +int netdev_set_etheraddr(struct netdev *, const uint8_t mac[6]); +const uint8_t *netdev_get_etheraddr(const struct netdev *); +const char *netdev_get_name(const struct netdev *); +int netdev_get_mtu(const struct netdev *); +int netdev_get_features(struct netdev *, + uint32_t *current, uint32_t *advertised, + uint32_t *supported, uint32_t *peer); +int netdev_set_advertisements(struct netdev *, uint32_t advertise); +bool netdev_get_in4(const struct netdev *, struct in_addr *); +int netdev_set_in4(struct netdev *, struct in_addr addr, struct in_addr mask); +int netdev_add_router(struct in_addr router); +bool netdev_get_in6(const struct netdev *, struct in6_addr *); +int netdev_get_flags(const struct netdev *, enum netdev_flags *); +int netdev_set_flags(struct netdev *, enum netdev_flags, bool permanent); +int netdev_turn_flags_on(struct netdev *, enum netdev_flags, bool permanent); +int netdev_turn_flags_off(struct netdev *, enum netdev_flags, bool permanent); +int netdev_arp_lookup(const struct netdev *, uint32_t ip, uint8_t mac[6]); +int netdev_get_carrier(const struct netdev *, bool *carrier); +int netdev_get_stats(const struct netdev *, struct netdev_stats *); +int netdev_set_policing(struct netdev *, uint32_t kbits_rate, + uint32_t kbits_burst); + +void netdev_enumerate(struct svec *); +int netdev_nodev_get_flags(const char *netdev_name, enum netdev_flags *); +int netdev_nodev_set_etheraddr(const char *name, const uint8_t mac[6]); +int netdev_nodev_get_etheraddr(const char *netdev_name, uint8_t mac[6]); +int netdev_nodev_set_policing(const char *netdev_name, uint32_t kbits_rate, + uint32_t kbits_burst); + +int netdev_get_vlan_vid(const char *netdev_name, int *vlan_vid); + +#endif /* netdev.h */ |