X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=datapath%2Fvport.h;h=8e70762853f4ce0217a6ee32b9d58a36ff3db0f3;hb=b0d3305cdf1503e9d31054ba3b533e7ac6dbfde1;hp=6ba7f2f507013a744144375b4ad978f380ff7542;hpb=dd851cbbcc5a1b3c8ad5c10a47ddca1c510c1879;p=sliver-openvswitch.git diff --git a/datapath/vport.h b/datapath/vport.h index 6ba7f2f50..8e7076285 100644 --- a/datapath/vport.h +++ b/datapath/vport.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2010 Nicira Networks. + * Copyright (c) 2010, 2011 Nicira Networks. * Distributed under the terms of the GNU GPL version 2. * * Significant portions of this file may be copied from parts of the Linux @@ -16,30 +16,16 @@ #include "datapath.h" #include "openvswitch/datapath-protocol.h" -#include "odp-compat.h" struct vport; struct vport_parms; /* The following definitions are for users of the vport subsytem: */ -int vport_user_mod(const struct odp_port __user *); - -int vport_user_stats_get(struct odp_vport_stats_req __user *); -int vport_user_stats_set(struct odp_vport_stats_req __user *); -int vport_user_ether_get(struct odp_vport_ether __user *); -int vport_user_ether_set(struct odp_vport_ether __user *); -int vport_user_mtu_get(struct odp_vport_mtu __user *); -int vport_user_mtu_set(struct odp_vport_mtu __user *); - -void vport_lock(void); -void vport_unlock(void); - int vport_init(void); void vport_exit(void); struct vport *vport_add(const struct vport_parms *); -int vport_mod(struct vport *, struct odp_port *); int vport_del(struct vport *); struct vport *vport_locate(const char *name); @@ -49,7 +35,7 @@ int vport_set_addr(struct vport *, const unsigned char *); int vport_set_stats(struct vport *, struct rtnl_link_stats64 *); const char *vport_get_name(const struct vport *); -const char *vport_get_type(const struct vport *); +enum odp_vport_type vport_get_type(const struct vport *); const unsigned char *vport_get_addr(const struct vport *); struct kobject *vport_get_kobj(const struct vport *); @@ -63,7 +49,9 @@ int vport_get_ifindex(const struct vport *); int vport_get_iflink(const struct vport *); int vport_get_mtu(const struct vport *); -void vport_get_config(const struct vport *, void *); + +int vport_set_options(struct vport *, struct nlattr *options); +int vport_get_options(const struct vport *, struct sk_buff *); int vport_send(struct vport *, struct sk_buff *); @@ -86,6 +74,7 @@ struct vport_err_stats { /** * struct vport - one port within a datapath + * @rcu: RCU callback head for deferred destruction. * @port_no: Index into @dp's @ports array. * @dp: Datapath to which this port belongs. * @kobj: Represents /sys/class/net//brport. @@ -106,6 +95,7 @@ struct vport_err_stats { * XAPI for Citrix XenServer. Deprecated. */ struct vport { + struct rcu_head rcu; u16 port_no; struct datapath *dp; struct kobject kobj; @@ -133,15 +123,15 @@ struct vport { * * @name: New vport's name. * @type: New vport's type. - * @config: Kernel copy of 'config' member of &struct odp_port describing - * configuration for new port. Exactly %VPORT_CONFIG_SIZE bytes. + * @options: %ODP_VPORT_ATTR_OPTIONS attribute from Netlink message, %NULL if + * none was supplied. * @dp: New vport's datapath. * @port_no: New vport's port number. */ struct vport_parms { const char *name; - const char *type; - const void *config; + enum odp_vport_type type; + struct nlattr *options; /* For vport_alloc(). */ struct datapath *dp; @@ -151,8 +141,7 @@ struct vport_parms { /** * struct vport_ops - definition of a type of virtual port * - * @type: Name of port type, such as "netdev" or "internal" to be matched - * against the device type when a new port needs to be created. + * @type: %ODP_VPORT_TYPE_* value for this type of virtual port. * @flags: Flags of type VPORT_F_* that influence how the generic vport layer * handles this vport. * @init: Called at module initialization. If VPORT_F_REQUIRED is set then the @@ -161,13 +150,15 @@ struct vport_parms { * @exit: Called at module unload. * @create: Create a new vport configured as specified. On success returns * a new vport allocated with vport_alloc(), otherwise an ERR_PTR() value. - * @modify: Modify the configuration of an existing vport. May be null if - * modification is not supported. - * @destroy: Detach and destroy a vport. + * @destroy: Destroys a vport. Must call vport_free() on the vport but not + * before an RCU grace period has elapsed. + * @set_options: Modify the configuration of an existing vport. May be %NULL + * if modification is not supported. + * @get_options: Appends vport-specific attributes for the configuration of an + * existing vport to a &struct sk_buff. May be %NULL for a vport that does not + * have any configuration. * @set_mtu: Set the device's MTU. May be null if not supported. * @set_addr: Set the device's MAC address. May be null if not supported. - * @set_stats: Provides stats as an offset to be added to the device stats. - * May be null if not supported. * @get_name: Get the device's name. * @get_addr: Get the device's MAC address. * @get_config: Get the device's configuration. @@ -184,11 +175,12 @@ struct vport_parms { * @get_iflink: Get the system interface index associated with the device that * will be used to send packets (may be different than ifindex for tunnels). * May be null if the device does not have an iflink. - * @get_mtu: Get the device's MTU. + * @get_mtu: Get the device's MTU. May be %NULL if the device does not have an + * MTU (as e.g. some tunnels do not). * @send: Send a packet on the device. Returns the length of the packet sent. */ struct vport_ops { - const char *type; + enum odp_vport_type type; u32 flags; /* Called at module init and exit respectively. */ @@ -197,12 +189,13 @@ struct vport_ops { /* Called with RTNL lock. */ struct vport *(*create)(const struct vport_parms *); - int (*modify)(struct vport *, struct odp_port *); int (*destroy)(struct vport *); + int (*set_options)(struct vport *, struct nlattr *); + int (*get_options)(const struct vport *, struct sk_buff *); + int (*set_mtu)(struct vport *, int mtu); int (*set_addr)(struct vport *, const unsigned char *); - int (*set_stats)(const struct vport *, struct rtnl_link_stats64 *); /* Called with rcu_read_lock or RTNL lock. */ const char *(*get_name)(const struct vport *);