X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fnetdev-provider.h;h=9c75ccb6dcb6543b48e169d1eab458e6e4df11c1;hb=782e6111668f5f4bccec2dc9328dc3a83f548fce;hp=619ba8be8242039e8698b0a25c75244f808327fe;hpb=a28716da6f6043ede3c1550906b9d8cd0f1d1b32;p=openvswitch diff --git a/lib/netdev-provider.h b/lib/netdev-provider.h index 619ba8be..9c75ccb6 100644 --- a/lib/netdev-provider.h +++ b/lib/netdev-provider.h @@ -40,7 +40,7 @@ struct arg { * implementations. */ struct netdev_dev { char *name; /* Name of network device. */ - const struct netdev_class *netdev_class; /* Functions to control + const struct netdev_class *netdev_class; /* Functions to control this device. */ int ref_cnt; /* Times this devices was opened. */ struct shash_node *node; /* Pointer to element in global map. */ @@ -129,11 +129,11 @@ struct netdev_class { * to be called. May be null if nothing is needed here. */ void (*wait)(void); - /* Attempts to create a network device of 'type' with 'name'. - * 'type' corresponds to the 'type' field used in the netdev_class - * structure. On success sets 'netdev_devp' to the newly created device. */ - int (*create)(const char *name, const char *type, const struct shash *args, - struct netdev_dev **netdev_devp); + /* Attempts to create a network device named 'name' with initial 'args' in + * 'netdev_class'. On success sets 'netdev_devp' to the newly created + * device. */ + int (*create)(const struct netdev_class *netdev_class, const char *name, + const struct shash *args, struct netdev_dev **netdev_devp); /* Destroys 'netdev_dev'. * @@ -259,9 +259,21 @@ struct netdev_class { int (*get_ifindex)(const struct netdev *netdev); /* Sets 'carrier' to true if carrier is active (link light is on) on - * 'netdev'. */ + * 'netdev'. + * + * May be null if device does not provide carrier status (will be always + * up as long as device is up). + */ int (*get_carrier)(const struct netdev *netdev, bool *carrier); + /* Sets 'miimon' to true if 'netdev' is up according to its MII. If + * 'netdev' does not support MII, may fall back to another method or return + * EOPNOTSUPP. + * + * This function may be set to null if it would always return EOPNOTSUPP. + */ + int (*get_miimon)(const struct netdev *netdev, bool *miimon); + /* Retrieves current device stats for 'netdev' into 'stats'. * * A network device that supports some statistics but not others, it should @@ -514,6 +526,20 @@ struct netdev_class { int (*get_next_hop)(const struct in_addr *host, struct in_addr *next_hop, char **netdev_name); + /* Retrieves the status of the device. + * + * Populates 'sh' with key-value pairs representing the status of the + * device. A device's status is a set of key-value string pairs + * representing netdev type specific information. For more information see + * ovs-vswitchd.conf.db(5). + * + * The data of 'sh' are heap allocated strings which the caller is + * responsible for deallocating. + * + * This function may be set to null if it would always return EOPNOTSUPP + * anyhow. */ + int (*get_status)(const struct netdev *netdev, struct shash *sh); + /* Looks up the ARP table entry for 'ip' on 'netdev' and stores the * corresponding MAC address in 'mac'. A return value of ENXIO, in * particular, indicates that there is no ARP table entry for 'ip' on @@ -546,11 +572,13 @@ struct netdev_class { void (*poll_remove)(struct netdev_notifier *notifier); }; +int netdev_register_provider(const struct netdev_class *); +int netdev_unregister_provider(const char *type); +const struct netdev_class *netdev_lookup_provider(const char *type); + extern const struct netdev_class netdev_linux_class; +extern const struct netdev_class netdev_internal_class; extern const struct netdev_class netdev_tap_class; -extern const struct netdev_class netdev_patch_class; -extern const struct netdev_class netdev_gre_class; -extern const struct netdev_class netdev_capwap_class; #ifdef __cplusplus }