X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=datapath%2Fvport.h;h=995889c382b455554ccf35dab3229ebfd338fb82;hb=db0fe3961421e4e7f1f7d37130174457e0c28d6c;hp=57662ee20df33d40742ee231d29be618a464a610;hpb=09538fdc5765afad5c5419483e688d1de4fd5aea;p=sliver-openvswitch.git diff --git a/datapath/vport.h b/datapath/vport.h index 57662ee20..995889c38 100644 --- a/datapath/vport.h +++ b/datapath/vport.h @@ -19,6 +19,7 @@ #ifndef VPORT_H #define VPORT_H 1 +#include #include #include #include @@ -30,6 +31,10 @@ struct vport; struct vport_parms; /* The following definitions are for users of the vport subsytem: */ +struct vport_net { + struct vport __rcu *gre_vport; + struct vport __rcu *gre64_vport; +}; int ovs_vport_init(void); void ovs_vport_exit(void); @@ -49,14 +54,6 @@ int ovs_vport_send(struct vport *, struct sk_buff *); /* The following definitions are for implementers of vport devices: */ -struct vport_percpu_stats { - u64 rx_bytes; - u64 rx_packets; - u64 tx_bytes; - u64 tx_packets; - struct u64_stats_sync sync; -}; - struct vport_err_stats { u64 rx_dropped; u64 rx_errors; @@ -68,9 +65,6 @@ struct vport_err_stats { * struct vport - one port within a datapath * @rcu: RCU callback head for deferred destruction. * @dp: Datapath to which this port belongs. - * @linkname: The name of the link from /sys/class/net//brif to this - * &struct vport. (We keep this around so that we can delete it if the - * device gets renamed.) Set to the null string when no link exists. * @upcall_portid: The Netlink port to use for packets received on this port that * miss the flow table. * @port_no: Index into @dp's @ports array. @@ -86,7 +80,6 @@ struct vport_err_stats { struct vport { struct rcu_head rcu; struct datapath *dp; - char linkname[IFNAMSIZ]; u32 upcall_portid; u16 port_no; @@ -94,17 +87,13 @@ struct vport { struct hlist_node dp_hash_node; const struct vport_ops *ops; - struct vport_percpu_stats __percpu *percpu_stats; + struct pcpu_tstats __percpu *percpu_stats; spinlock_t stats_lock; struct vport_err_stats err_stats; struct ovs_vport_stats offset_stats; }; -#define VPORT_F_REQUIRED (1 << 0) /* If init fails, module loading fails. */ -#define VPORT_F_FLOW (1 << 1) /* Sets OVS_CB(skb)->flow. */ -#define VPORT_F_TUN_ID (1 << 2) /* Sets OVS_CB(skb)->tun_id. */ - /** * struct vport_parms - parameters for creating a new vport * @@ -130,12 +119,6 @@ struct vport_parms { * struct vport_ops - definition of a type of virtual port * * @type: %OVS_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 - * failure of this function will cause the module to not load. If the flag is - * not set and initialzation fails then no vports of this type can be created. - * @exit: Called at module unload. * @create: Create a new vport configured as specified. On success returns * a new vport allocated with ovs_vport_alloc(), otherwise an ERR_PTR() value. * @destroy: Destroys a vport. Must call vport_free() on the vport but not @@ -146,30 +129,22 @@ struct vport_parms { * existing vport to a &struct sk_buff. May be %NULL for a vport that does not * have any configuration. * @get_name: Get the device's name. - * @get_config: Get the device's configuration. - * @get_ifindex: Get the system interface index associated with the device. - * May be null if the device does not have an ifindex. - * @send: Send a packet on the device. Returns the length of the packet sent. + * @send: Send a packet on the device. Returns the length of the packet sent, + * zero for dropped packets or negative for error. */ struct vport_ops { enum ovs_vport_type type; - u32 flags; - /* Called at module init and exit respectively. */ - int (*init)(void); - void (*exit)(void); - - /* Called with RTNL lock. */ + /* Called with ovs_mutex. */ struct vport *(*create)(const struct vport_parms *); void (*destroy)(struct vport *); int (*set_options)(struct vport *, struct nlattr *); int (*get_options)(const struct vport *, struct sk_buff *); - /* Called with rcu_read_lock or RTNL lock. */ + /* Called with rcu_read_lock or ovs_mutex. */ const char *(*get_name)(const struct vport *); - void (*get_config)(const struct vport *, void *); - int (*get_ifindex)(const struct vport *); + int (*send)(struct vport *, struct sk_buff *); }; @@ -183,6 +158,7 @@ enum vport_err_type { struct vport *ovs_vport_alloc(int priv_size, const struct vport_ops *, const struct vport_parms *); void ovs_vport_free(struct vport *); +void ovs_vport_deferred_free(struct vport *vport); #define VPORT_ALIGN 8 @@ -215,7 +191,8 @@ static inline struct vport *vport_from_priv(const void *priv) return (struct vport *)(priv - ALIGN(sizeof(struct vport), VPORT_ALIGN)); } -void ovs_vport_receive(struct vport *, struct sk_buff *); +void ovs_vport_receive(struct vport *, struct sk_buff *, + struct ovs_key_ipv4_tunnel *); void ovs_vport_record_error(struct vport *, enum vport_err_type err_type); /* List of statically compiled vport implementations. Don't forget to also @@ -225,5 +202,12 @@ extern const struct vport_ops ovs_internal_vport_ops; extern const struct vport_ops ovs_gre_vport_ops; extern const struct vport_ops ovs_gre64_vport_ops; extern const struct vport_ops ovs_vxlan_vport_ops; +extern const struct vport_ops ovs_lisp_vport_ops; +static inline void ovs_skb_postpush_rcsum(struct sk_buff *skb, + const void *start, unsigned int len) +{ + if (skb->ip_summed == CHECKSUM_COMPLETE) + skb->csum = csum_add(skb->csum, csum_partial(start, len, 0)); +} #endif /* vport.h */