X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Fdatapath.h;h=d8b7a6dabe59e4ceae83e7e8857dd2d3bea21319;hb=d656937779f5b987ec021c21189a0deab29fd64d;hp=e4c6534f7632eed589c3105d28cdf2c30d956a1a;hpb=e1040c772fbebc3abe9e7222f9c540112c4dca81;p=openvswitch diff --git a/datapath/datapath.h b/datapath/datapath.h index e4c6534f..d8b7a6da 100644 --- a/datapath/datapath.h +++ b/datapath/datapath.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2009, 2010 Nicira Networks. + * Copyright (c) 2009, 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 @@ -59,6 +59,7 @@ struct dp_stats_percpu { /** * struct datapath - datapath for flow-based packet switching + * @rcu: RCU callback head for deferred destruction. * @mutex: Mutual exclusion for ioctls. * @dp_idx: Datapath number (index into the dps[] array in datapath.c). * @ifobj: Represents /sys/class/net//brif. @@ -67,7 +68,6 @@ struct dp_stats_percpu { * @waitqueue: Waitqueue, for waiting for new packets in @queues. * @n_flows: Number of flows currently in flow table. * @table: Current flow table. - * @n_ports: Number of ports currently in @ports. * @ports: Map from port number to &struct vport. %ODPP_LOCAL port * always exists, other ports may be %NULL. * @port_list: List of all ports in @ports in arbitrary order. @@ -77,6 +77,7 @@ struct dp_stats_percpu { * sampling a given packet. */ struct datapath { + struct rcu_head rcu; struct mutex mutex; int dp_idx; struct kobject ifobj; @@ -91,7 +92,6 @@ struct datapath { struct tbl __rcu *table; /* Switch ports. */ - unsigned int n_ports; struct vport __rcu *ports[DP_MAX_PORTS]; struct list_head port_list; @@ -121,12 +121,30 @@ struct ovs_skb_cb { }; #define OVS_CB(skb) ((struct ovs_skb_cb *)(skb)->cb) +/** + * struct dp_upcall - metadata to include with a packet to send to userspace + * @type: One of %_ODPL_*_NR. + * @key: Becomes %ODP_PACKET_ATTR_KEY. Must be nonnull. + * @userdata: Becomes %ODP_PACKET_ATTR_USERDATA if nonzero. + * @sample_pool: Becomes %ODP_PACKET_ATTR_SAMPLE_POOL if nonzero. + * @actions: Becomes %ODP_PACKET_ATTR_ACTIONS if nonnull. + * @actions_len: Number of bytes in @actions. +*/ +struct dp_upcall_info { + u32 type; + const struct sw_flow_key *key; + u64 userdata; + u32 sample_pool; + const struct nlattr *actions; + u32 actions_len; +}; + extern struct notifier_block dp_device_notifier; extern int (*dp_ioctl_hook)(struct net_device *dev, struct ifreq *rq, int cmd); void dp_process_received_packet(struct vport *, struct sk_buff *); int dp_detach_port(struct vport *); -int dp_output_control(struct datapath *, struct sk_buff *, int, u64 arg); +int dp_upcall(struct datapath *, struct sk_buff *, const struct dp_upcall_info *); int dp_min_mtu(const struct datapath *dp); void set_internal_devs_mtu(const struct datapath *dp);