/*
- * Copyright (c) 2007-2012 Nicira, Inc.
+ * Copyright (c) 2007-2015 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
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/u64_stats_sync.h>
+#include <net/net_namespace.h>
+#include <net/ip_tunnels.h>
#include "compat.h"
#include "flow.h"
#include "flow_table.h"
#include "vlan.h"
-#include "vport.h"
-#define DP_MAX_PORTS USHRT_MAX
-#define DP_VPORT_HASH_BUCKETS 1024
+#define DP_MAX_PORTS USHRT_MAX
+#define DP_VPORT_HASH_BUCKETS 1024
#define SAMPLE_ACTION_DEPTH 3
* @n_lost: Number of received packets that had no matching flow in the flow
* table that could not be sent to userspace (normally due to an overflow in
* one of the datapath's queues).
+ * @n_mask_hit: Number of masks looked up for flow match.
+ * @n_mask_hit / (@n_hit + @n_missed) will be the average masks looked
+ * up per packet.
*/
struct dp_stats_percpu {
u64 n_hit;
u64 n_missed;
u64 n_lost;
- struct u64_stats_sync sync;
+ u64 n_mask_hit;
+ struct u64_stats_sync syncp;
};
/**
/* Stats. */
struct dp_stats_percpu __percpu *stats_percpu;
-#ifdef CONFIG_NET_NS
/* Network namespace ref. */
- struct net *net;
-#endif
+ possible_net_t net;
+
+ u32 user_features;
};
/**
* struct ovs_skb_cb - OVS data in skb CB
- * @flow: The flow associated with this packet. May be %NULL if no flow.
- * @pkt_key: The flow information extracted from the packet. Must be nonnull.
- * @tun_key: Key for the tunnel that encapsulated this packet. NULL if the
- * packet is not being tunneled.
+ * @input_vport: The original vport packet came in on. This value is cached
+ * when a packet is received by OVS.
+ * @mru: The maximum received fragement size; 0 if the packet is not
+ * fragmented.
*/
struct ovs_skb_cb {
- struct sw_flow *flow;
- struct sw_flow_key *pkt_key;
- struct ovs_key_ipv4_tunnel *tun_key;
+ struct vport *input_vport;
+ u16 mru;
};
#define OVS_CB(skb) ((struct ovs_skb_cb *)(skb)->cb)
/**
* struct dp_upcall - metadata to include with a packet to send to userspace
* @cmd: One of %OVS_PACKET_CMD_*.
- * @key: Becomes %OVS_PACKET_ATTR_KEY. Must be nonnull.
* @userdata: If nonnull, its variable-length value is passed to userspace as
* %OVS_PACKET_ATTR_USERDATA.
- * @portid: Netlink PID to which packet should be sent. If @portid is 0 then no
- * packet is sent and the packet is accounted in the datapath's @n_lost
+ * @portid: Netlink portid to which packet should be sent. If @portid is 0
+ * then no packet is sent and the packet is accounted in the datapath's @n_lost
* counter.
+ * @egress_tun_info: If nonnull, becomes %OVS_PACKET_ATTR_EGRESS_TUN_KEY.
+ * @mru: If not zero, Maximum received IP fragment size.
*/
struct dp_upcall_info {
- u8 cmd;
- const struct sw_flow_key *key;
+ struct ip_tunnel_info *egress_tun_info;
+ const void *egress_tun_opts;
const struct nlattr *userdata;
+ const struct nlattr *actions;
+ int actions_len;
u32 portid;
+ u8 cmd;
+ u16 mru;
};
/**
* struct ovs_net - Per net-namespace data for ovs.
* @dps: List of datapaths to enable dumping them all out.
* Protected by genl_mutex.
- * @vport_net: Per network namespace data for vport.
*/
struct ovs_net {
struct list_head dps;
- struct vport_net vport_net;
struct work_struct dp_notify_work;
+
+ /* Module reference for configuring conntrack. */
+ bool xt_label;
};
extern int ovs_net_id;
#define lockdep_ovsl_is_held() 1
#endif
-#define ASSERT_OVSL() WARN_ON(unlikely(!lockdep_ovsl_is_held()))
+#define ASSERT_OVSL() WARN_ON(!lockdep_ovsl_is_held())
#define ovsl_dereference(p) \
rcu_dereference_protected(p, lockdep_ovsl_is_held())
+#define rcu_dereference_ovsl(p) \
+ rcu_dereference_check(p, lockdep_ovsl_is_held())
-static inline struct net *ovs_dp_get_net(struct datapath *dp)
+static inline struct net *ovs_dp_get_net(const struct datapath *dp)
{
- return read_pnet(&dp->net);
+ return rpl_read_pnet(&dp->net);
}
static inline void ovs_dp_set_net(struct datapath *dp, struct net *net)
{
- write_pnet(&dp->net, net);
+ rpl_write_pnet(&dp->net, net);
}
struct vport *ovs_lookup_vport(const struct datapath *dp, u16 port_no);
}
extern struct notifier_block ovs_dp_device_notifier;
+extern struct genl_family dp_vport_genl_family;
extern struct genl_multicast_group ovs_dp_vport_multicast_group;
-void ovs_dp_process_received_packet(struct vport *, struct sk_buff *);
+void ovs_dp_process_packet(struct sk_buff *skb, struct sw_flow_key *key);
void ovs_dp_detach_port(struct vport *);
int ovs_dp_upcall(struct datapath *, struct sk_buff *,
- const struct dp_upcall_info *);
+ const struct sw_flow_key *, const struct dp_upcall_info *);
const char *ovs_dp_name(const struct datapath *dp);
-struct sk_buff *ovs_vport_cmd_build_info(struct vport *, u32 portid, u32 seq,
+struct sk_buff *ovs_vport_cmd_build_info(struct vport *, u32 pid, u32 seq,
u8 cmd);
-int ovs_execute_actions(struct datapath *dp, struct sk_buff *skb);
+int ovs_execute_actions(struct datapath *dp, struct sk_buff *skb,
+ const struct sw_flow_actions *, struct sw_flow_key *);
+
void ovs_dp_notify_wq(struct work_struct *work);
-#define OVS_NLERR(fmt, ...) \
- pr_info_once("netlink: " fmt, ##__VA_ARGS__)
+int action_fifos_init(void);
+void action_fifos_exit(void);
+
+/* 'KEY' must not have any bits set outside of the 'MASK' */
+#define OVS_MASKED(OLD, KEY, MASK) ((KEY) | ((OLD) & ~(MASK)))
+#define OVS_SET_MASKED(OLD, KEY, MASK) ((OLD) = OVS_MASKED(OLD, KEY, MASK))
+#define OVS_NLERR(logging_allowed, fmt, ...) \
+do { \
+ if (logging_allowed && net_ratelimit()) \
+ pr_info("netlink: " fmt "\n", ##__VA_ARGS__); \
+} while (0)
#endif /* datapath.h */
projects / cascardo / ovs.git / blobdiff