1/*
 2 * Copyright (c) 2007-2013 Nicira, Inc.
 3 *
 4 * This program is free software; you can redistribute it and/or
 5 * modify it under the terms of version 2 of the GNU General Public
 6 * License as published by the Free Software Foundation.
 7 *
 8 * This program is distributed in the hope that it will be useful, but
 9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
16 * 02110-1301, USA
17 */
18
19
20#ifndef FLOW_NETLINK_H
21#define FLOW_NETLINK_H 1
22
23#include <linux/kernel.h>
24#include <linux/netlink.h>
25#include <linux/openvswitch.h>
26#include <linux/spinlock.h>
27#include <linux/types.h>
28#include <linux/rcupdate.h>
29#include <linux/if_ether.h>
30#include <linux/in6.h>
31#include <linux/jiffies.h>
32#include <linux/time.h>
33#include <linux/flex_array.h>
34
35#include <net/inet_ecn.h>
36#include <net/ip_tunnels.h>
37
38#include "flow.h"
39
40size_t ovs_tun_key_attr_size(void);
41size_t ovs_key_attr_size(void);
42
43void ovs_match_init(struct sw_flow_match *match,
44		    struct sw_flow_key *key, bool reset_key,
45		    struct sw_flow_mask *mask);
46
47int ovs_nla_put_key(const struct sw_flow_key *, const struct sw_flow_key *,
48		    int attr, bool is_mask, struct sk_buff *);
49int ovs_nla_get_flow_metadata(struct net *, const struct nlattr *,
50			      struct sw_flow_key *, bool log);
51
52int ovs_nla_put_identifier(const struct sw_flow *flow, struct sk_buff *skb);
53int ovs_nla_put_masked_key(const struct sw_flow *flow, struct sk_buff *skb);
54int ovs_nla_put_mask(const struct sw_flow *flow, struct sk_buff *skb);
55
56int ovs_nla_get_match(struct net *, struct sw_flow_match *,
57		      const struct nlattr *key, const struct nlattr *mask,
58		      bool log);
59
60int ovs_nla_put_tunnel_info(struct sk_buff *skb,
61			    struct ip_tunnel_info *tun_info);
62
63bool ovs_nla_get_ufid(struct sw_flow_id *, const struct nlattr *, bool log);
64int ovs_nla_get_identifier(struct sw_flow_id *sfid, const struct nlattr *ufid,
65			   const struct sw_flow_key *key, bool log);
66u32 ovs_nla_get_ufid_flags(const struct nlattr *attr);
67
68int ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,
69			 const struct sw_flow_key *key,
70			 struct sw_flow_actions **sfa, bool log);
71int ovs_nla_add_action(struct sw_flow_actions **sfa, int attrtype,
72		       void *data, int len, bool log);
73int ovs_nla_put_actions(const struct nlattr *attr,
74			int len, struct sk_buff *skb);
75
76void ovs_nla_free_flow_actions(struct sw_flow_actions *);
77void ovs_nla_free_flow_actions_rcu(struct sw_flow_actions *);
78
79#endif /* flow_netlink.h */