X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fnetdev-provider.h;h=be51c48a541f8d94d3847edc7dbf79c8a159efa3;hb=0b13821fe00d918e24c71419355a10b65081a71a;hp=58d51d7b70ea3a9ea694a65cf2995d952c0aed72;hpb=6f2f5cce6c3fa59fb73f3489ddbcb988131faec7;p=openvswitch diff --git a/lib/netdev-provider.h b/lib/netdev-provider.h index 58d51d7b..be51c48a 100644 --- a/lib/netdev-provider.h +++ b/lib/netdev-provider.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2009, 2010 Nicira Networks. + * Copyright (c) 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. @@ -29,11 +29,6 @@ extern "C" { #endif -struct arg { - char *key; - char *value; -}; - /* A network device (e.g. an Ethernet device). * * This structure should be treated as opaque by network device @@ -44,11 +39,11 @@ struct netdev_dev { this device. */ int ref_cnt; /* Times this devices was opened. */ struct shash_node *node; /* Pointer to element in global map. */ - struct arg *args; /* Argument list from last config. */ - int n_args; /* Number of arguments in 'args'. */ + struct shash args; /* Argument list from last config. */ }; void netdev_dev_init(struct netdev_dev *, const char *name, + const struct shash *args, const struct netdev_class *); void netdev_dev_uninit(struct netdev_dev *, bool destroy); const char *netdev_dev_get_type(const struct netdev_dev *); @@ -143,12 +138,12 @@ struct netdev_class { * called. */ void (*destroy)(struct netdev_dev *netdev_dev); - /* Reconfigures the device 'netdev_dev' with 'args'. + /* Changes the device 'netdev_dev''s configuration to 'args'. * * If this netdev class does not support reconfiguring a netdev * device, this may be a null pointer. */ - int (*reconfigure)(struct netdev_dev *netdev_dev, const struct shash *args); + int (*set_config)(struct netdev_dev *netdev_dev, const struct shash *args); /* Attempts to open a network device. On success, sets 'netdevp' * to the new network device. @@ -242,7 +237,10 @@ struct netdev_class { * * The MTU is the maximum size of transmitted (and received) packets, in * bytes, not including the hardware header; thus, this is typically 1500 - * bytes for Ethernet devices.*/ + * bytes for Ethernet devices. + * + * If 'netdev' does not have an MTU (e.g. as some tunnels do not), then + * this function should set '*mtup' to INT_MAX. */ int (*get_mtu)(const struct netdev *netdev, int *mtup); /* Returns the ifindex of 'netdev', if successful, as a positive number.