diff options
Diffstat (limited to 'net/openvswitch/vport.h')
| -rw-r--r-- | net/openvswitch/vport.h | 67 |
1 files changed, 36 insertions, 31 deletions
diff --git a/net/openvswitch/vport.h b/net/openvswitch/vport.h index 19609629dab..8d721e62f38 100644 --- a/net/openvswitch/vport.h +++ b/net/openvswitch/vport.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2007-2011 Nicira Networks. + * Copyright (c) 2007-2012 Nicira, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public @@ -19,7 +19,9 @@ #ifndef VPORT_H #define VPORT_H 1 +#include <linux/if_tunnel.h> #include <linux/list.h> +#include <linux/netlink.h> #include <linux/openvswitch.h> #include <linux/skbuff.h> #include <linux/spinlock.h> @@ -32,13 +34,18 @@ struct vport_parms; /* The following definitions are for users of the vport subsytem: */ +/* The following definitions are for users of the vport subsytem: */ +struct vport_net { + struct vport __rcu *gre_vport; +}; + int ovs_vport_init(void); void ovs_vport_exit(void); struct vport *ovs_vport_add(const struct vport_parms *); void ovs_vport_del(struct vport *); -struct vport *ovs_vport_locate(const char *name); +struct vport *ovs_vport_locate(struct net *net, const char *name); void ovs_vport_get_stats(struct vport *, struct ovs_vport_stats *); @@ -49,14 +56,6 @@ 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; @@ -67,12 +66,12 @@ 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. - * @node: Element in @dp's @port_list. - * @upcall_pid: The Netlink port to use for packets received on this port that + * @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. * @hash_node: Element in @dev_table hash table in vport.c. + * @dp_hash_node: Element in @datapath->ports hash table in datapath.c. * @ops: Class structure. * @percpu_stats: Points to per-CPU statistics used and maintained by vport * @stats_lock: Protects @err_stats; @@ -80,15 +79,15 @@ struct vport_err_stats { */ struct vport { struct rcu_head rcu; - u16 port_no; struct datapath *dp; - struct list_head node; - u32 upcall_pid; + u32 upcall_portid; + u16 port_no; struct hlist_node hash_node; + struct hlist_node dp_hash_node; const struct vport_ops *ops; - struct vport_percpu_stats __percpu *percpu_stats; + struct pcpu_sw_netstats __percpu *percpu_stats; spinlock_t stats_lock; struct vport_err_stats err_stats; @@ -112,7 +111,7 @@ struct vport_parms { /* For ovs_vport_alloc(). */ struct datapath *dp; u16 port_no; - u32 upcall_pid; + u32 upcall_portid; }; /** @@ -129,25 +128,21 @@ 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; - /* 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 *); }; @@ -162,6 +157,7 @@ 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 @@ -176,7 +172,7 @@ void ovs_vport_free(struct vport *); */ static inline void *vport_priv(const struct vport *vport) { - return (u8 *)vport + ALIGN(sizeof(struct vport), VPORT_ALIGN); + return (u8 *)(uintptr_t)vport + ALIGN(sizeof(struct vport), VPORT_ALIGN); } /** @@ -189,17 +185,26 @@ static inline void *vport_priv(const struct vport *vport) * the result of a hash table lookup. @priv must point to the start of the * private data area. */ -static inline struct vport *vport_from_priv(const void *priv) +static inline struct vport *vport_from_priv(void *priv) { - return (struct vport *)(priv - ALIGN(sizeof(struct vport), VPORT_ALIGN)); + return (struct vport *)((u8 *)priv - ALIGN(sizeof(struct vport), VPORT_ALIGN)); } -void ovs_vport_receive(struct vport *, struct sk_buff *); -void ovs_vport_record_error(struct vport *, enum vport_err_type err_type); +void ovs_vport_receive(struct vport *, struct sk_buff *, + struct ovs_key_ipv4_tunnel *); /* List of statically compiled vport implementations. Don't forget to also * add yours to the list at the top of vport.c. */ extern const struct vport_ops ovs_netdev_vport_ops; extern const struct vport_ops ovs_internal_vport_ops; +extern const struct vport_ops ovs_gre_vport_ops; +extern const struct vport_ops ovs_vxlan_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 */ |