X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fnetdev.h;h=e6fadb05d0bcf9e1d26e9dbd096c1825f26de5f8;hb=f7eaaeba017b2442edd730b929d4713ba4375b1e;hp=84ae16ee4279982b4176a53a779dd0367342a10d;hpb=13063c3b38aeaadf4802afe2b119198c2db41866;p=sliver-openvswitch.git diff --git a/lib/netdev.h b/lib/netdev.h index 84ae16ee4..e6fadb05d 100644 --- a/lib/netdev.h +++ b/lib/netdev.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009 Nicira Networks. + * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -21,6 +21,10 @@ #include #include +#ifdef __cplusplus +extern "C" { +#endif + /* Generic interface to network devices. * * Currently, there is a single implementation of this interface that supports @@ -30,11 +34,13 @@ struct ofpbuf; struct in_addr; struct in6_addr; -struct svec; +struct shash; +struct sset; enum netdev_flags { NETDEV_UP = 0x0001, /* Device enabled? */ - NETDEV_PROMISC = 0x0002 /* Promiscuous mode? */ + NETDEV_PROMISC = 0x0002, /* Promiscuous mode? */ + NETDEV_LOOPBACK = 0x0004 /* This is a loopback device. */ }; enum netdev_pseudo_ethertype { @@ -43,6 +49,9 @@ enum netdev_pseudo_ethertype { NETDEV_ETH_TYPE_802_2 /* Receive all IEEE 802.2 frames. */ }; +/* 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. */ @@ -71,55 +80,143 @@ struct netdev_stats { uint64_t tx_window_errors; }; +struct netdev_options { + const char *name; + const char *type; + const struct shash *args; + int ethertype; +}; + struct netdev; +struct netdev_class; -int netdev_open(const char *name, int ethertype, struct netdev **); -int netdev_open_tap(const char *name, struct netdev **); +void netdev_run(void); +void netdev_wait(void); + +void netdev_enumerate_types(struct sset *types); + +/* Open and close. */ +int netdev_open(struct netdev_options *, struct netdev **); +int netdev_open_default(const char *name, struct netdev **); void netdev_close(struct netdev *); +bool netdev_exists(const char *name); +bool netdev_is_open(const char *name); + +int netdev_enumerate(struct sset *); + +/* Options. */ +int netdev_set_config(struct netdev *, const struct shash *args); +const struct shash *netdev_get_config(const struct netdev *); + +/* Basic properties. */ +const char *netdev_get_name(const struct netdev *); +const char *netdev_get_type(const struct netdev *); +int netdev_get_mtu(const struct netdev *, int *mtup); +int netdev_get_ifindex(const struct netdev *); + +/* Packet send and receive. */ 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 *); + +/* Hardware address. */ 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 *, +int netdev_get_etheraddr(const struct netdev *, uint8_t mac[6]); + +/* PHY interface. */ +bool netdev_get_carrier(const struct netdev *); +bool netdev_get_miimon(const struct netdev *); +int netdev_get_features(const struct netdev *, uint32_t *current, uint32_t *advertised, uint32_t *supported, uint32_t *peer); +uint64_t netdev_features_to_bps(uint32_t features); +bool netdev_features_is_full_duplex(uint32_t features); int netdev_set_advertisements(struct netdev *, uint32_t advertise); -bool netdev_get_in4(const struct netdev *, struct in_addr *addr, - struct in_addr *mask); -int netdev_set_in4(struct netdev *, struct in_addr in4, struct in_addr mask); -int netdev_add_router(struct in_addr router); -bool netdev_get_in6(const struct netdev *, struct in6_addr *); + +/* TCP/IP stack interface. */ +int netdev_get_in4(const struct netdev *, struct in_addr *address, + struct in_addr *netmask); +int netdev_set_in4(struct netdev *, struct in_addr addr, struct in_addr mask); +int netdev_get_in6(const struct netdev *, struct in6_addr *); +int netdev_add_router(struct netdev *, struct in_addr router); +int netdev_get_next_hop(const struct netdev *, const struct in_addr *host, + struct in_addr *next_hop, char **); +int netdev_get_status(const struct netdev *, struct shash *sh); +int netdev_arp_lookup(const struct netdev *, uint32_t ip, uint8_t mac[6]); + 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); +struct netdev *netdev_find_dev_by_in4(const struct in_addr *); + +/* Statistics. */ int netdev_get_stats(const struct netdev *, struct netdev_stats *); -int netdev_set_policing(struct netdev *, uint32_t kbits_rate, +int netdev_set_stats(struct netdev *, const struct netdev_stats *); + +/* Quality of service. */ +struct netdev_qos_capabilities { + unsigned int n_queues; +}; + +struct netdev_queue_stats { + /* Values of unsupported statistics are set to all-1-bits (UINT64_MAX). */ + uint64_t tx_bytes; + uint64_t tx_packets; + uint64_t tx_errors; +}; + +int netdev_set_policing(struct netdev *, uint32_t kbits_rate, uint32_t kbits_burst); -void netdev_enumerate(struct svec *); -bool netdev_find_dev_by_in4(const struct in_addr *in4, char **netdev_name); -int netdev_get_next_hop(const struct in_addr *host, struct in_addr *next_hop, - char **netdev_name); -int netdev_nodev_get_flags(const char *netdev_name, enum netdev_flags *); -bool netdev_nodev_get_in4(const char *netdev_name, struct in_addr *in4, - struct in_addr *mask); -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_nodev_arp_lookup(const char *netdev_name, uint32_t ip, - uint8_t mac[6]); -int netdev_nodev_get_carrier(const char *netdev_name, bool *carrier); - -int netdev_get_vlan_vid(const char *netdev_name, int *vlan_vid); +int netdev_get_qos_types(const struct netdev *, struct sset *types); +int netdev_get_qos_capabilities(const struct netdev *, + const char *type, + struct netdev_qos_capabilities *); +int netdev_get_n_queues(const struct netdev *, + const char *type, unsigned int *n_queuesp); + +int netdev_get_qos(const struct netdev *, + const char **typep, struct shash *details); +int netdev_set_qos(struct netdev *, + const char *type, const struct shash *details); + +int netdev_get_queue(const struct netdev *, + unsigned int queue_id, struct shash *details); +int netdev_set_queue(struct netdev *, + unsigned int queue_id, const struct shash *details); +int netdev_delete_queue(struct netdev *, unsigned int queue_id); +int netdev_get_queue_stats(const struct netdev *, unsigned int queue_id, + struct netdev_queue_stats *); + +typedef void netdev_dump_queues_cb(unsigned int queue_id, + const struct shash *details, void *aux); +int netdev_dump_queues(const struct netdev *, + netdev_dump_queues_cb *, void *aux); + +typedef void netdev_dump_queue_stats_cb(unsigned int queue_id, + struct netdev_queue_stats *, + void *aux); +int netdev_dump_queue_stats(const struct netdev *, + netdev_dump_queue_stats_cb *, void *aux); + +/* Linux stuff. */ +int netdev_get_vlan_vid(const struct netdev *, int *vlan_vid); + +/* Monitoring for changes in network device status. */ +struct netdev_monitor *netdev_monitor_create(void); +void netdev_monitor_destroy(struct netdev_monitor *); +int netdev_monitor_add(struct netdev_monitor *, struct netdev *); +void netdev_monitor_remove(struct netdev_monitor *, struct netdev *); +int netdev_monitor_poll(struct netdev_monitor *, char **devnamep); +void netdev_monitor_poll_wait(const struct netdev_monitor *); + +#ifdef __cplusplus +} +#endif #endif /* netdev.h */