X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fnetdev.h;h=eb1870b4e0da3f18219344a91e6446431e36cb71;hb=d017eeb9f9ebcb46c24a67fd301b3e36cd26a04e;hp=67122eec1dd11126e0759a4bae76cf56e05b10cf;hpb=d02a5f8ea4e1da19ccc4f903026b77649472b236;p=sliver-openvswitch.git diff --git a/lib/netdev.h b/lib/netdev.h index 67122eec1..eb1870b4e 100644 --- a/lib/netdev.h +++ b/lib/netdev.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc. + * 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. @@ -26,24 +26,23 @@ extern "C" { #endif -/* Generic interface to network devices. +/* Generic interface to network devices ("netdev"s). * - * 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. */ + * Every port on a switch must have a corresponding netdev that must minimally + * support a few operations, such as the ability to read the netdev's MTU. + * The PORTING file at the top of the source tree has more information in the + * "Writing a netdev Provider" section. */ +struct netdev; +struct netdev_class; +struct netdev_rx; +struct netdev_saved_flags; struct ofpbuf; struct in_addr; struct in6_addr; struct smap; struct sset; -enum netdev_flags { - NETDEV_UP = 0x0001, /* Device enabled? */ - NETDEV_PROMISC = 0x0002, /* Promiscuous mode? */ - NETDEV_LOOPBACK = 0x0004 /* This is a loopback device. */ -}; - /* Network device statistics. * * Values of unsupported statistics are set to all-1-bits (UINT64_MAX). */ @@ -75,40 +74,72 @@ struct netdev_stats { uint64_t tx_window_errors; }; -struct netdev; -struct netdev_class; +/* Configuration specific to tunnels. */ +struct netdev_tunnel_config { + bool in_key_present; + bool in_key_flow; + ovs_be64 in_key; + + bool out_key_present; + bool out_key_flow; + ovs_be64 out_key; + + ovs_be16 dst_port; + + bool ip_src_flow; + bool ip_dst_flow; + ovs_be32 ip_src; + ovs_be32 ip_dst; + + uint8_t ttl; + bool ttl_inherit; + + uint8_t tos; + bool tos_inherit; + + bool csum; + bool ipsec; + bool dont_fragment; +}; void netdev_run(void); void netdev_wait(void); void netdev_enumerate_types(struct sset *types); +bool netdev_is_reserved_name(const char *name); /* Open and close. */ int netdev_open(const char *name, const char *type, struct netdev **); +struct netdev *netdev_ref(const struct netdev *); void netdev_close(struct netdev *); -bool netdev_exists(const char *name); -bool netdev_is_open(const char *name); - void netdev_parse_name(const char *netdev_name, char **name, char **type); /* Options. */ int netdev_set_config(struct netdev *, const struct smap *args); int netdev_get_config(const struct netdev *, struct smap *); +const struct netdev_tunnel_config * + netdev_get_tunnel_config(const struct netdev *); /* Basic properties. */ const char *netdev_get_name(const struct netdev *); const char *netdev_get_type(const struct netdev *); +const char *netdev_get_type_from_name(const char *); int netdev_get_mtu(const struct netdev *, int *mtup); int netdev_set_mtu(const struct netdev *, int mtu); int netdev_get_ifindex(const struct netdev *); -/* Packet send and receive. */ -int netdev_listen(struct netdev *); -int netdev_recv(struct netdev *, struct ofpbuf *); -void netdev_recv_wait(struct netdev *); -int netdev_drain(struct netdev *); +/* Packet reception. */ +int netdev_rx_open(struct netdev *, struct netdev_rx **); +void netdev_rx_close(struct netdev_rx *); + +const char *netdev_rx_get_name(const struct netdev_rx *); + +int netdev_rx_recv(struct netdev_rx *, struct ofpbuf *); +void netdev_rx_wait(struct netdev_rx *); +int netdev_rx_drain(struct netdev_rx *); +/* Packet transmission. */ int netdev_send(struct netdev *, const struct ofpbuf *); void netdev_send_wait(struct netdev *); @@ -151,6 +182,23 @@ uint64_t netdev_features_to_bps(enum netdev_features features, bool netdev_features_is_full_duplex(enum netdev_features features); int netdev_set_advertisements(struct netdev *, enum netdev_features advertise); +/* Flags. */ +enum netdev_flags { + NETDEV_UP = 0x0001, /* Device enabled? */ + NETDEV_PROMISC = 0x0002, /* Promiscuous mode? */ + NETDEV_LOOPBACK = 0x0004 /* This is a loopback device. */ +}; + +int netdev_get_flags(const struct netdev *, enum netdev_flags *); +int netdev_set_flags(struct netdev *, enum netdev_flags, + struct netdev_saved_flags **); +int netdev_turn_flags_on(struct netdev *, enum netdev_flags, + struct netdev_saved_flags **); +int netdev_turn_flags_off(struct netdev *, enum netdev_flags, + struct netdev_saved_flags **); + +void netdev_restore_flags(struct netdev_saved_flags *); + /* TCP/IP stack interface. */ int netdev_get_in4(const struct netdev *, struct in_addr *address, struct in_addr *netmask); @@ -160,13 +208,9 @@ 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_drv_info(const struct netdev *, struct smap *); +int netdev_get_status(const struct netdev *, struct smap *); int netdev_arp_lookup(const struct netdev *, ovs_be32 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); struct netdev *netdev_find_dev_by_in4(const struct in_addr *); /* Statistics. */ @@ -183,6 +227,9 @@ struct netdev_queue_stats { uint64_t tx_bytes; uint64_t tx_packets; uint64_t tx_errors; + + /* Time at which the queue was created, in msecs, LLONG_MIN if unknown. */ + long long int created; }; int netdev_set_policing(struct netdev *, uint32_t kbits_rate,