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 
40 size_t ovs_tun_key_attr_size(void);
41 size_t ovs_key_attr_size(void);
42 
43 void ovs_match_init(struct sw_flow_match *match,
44 		    struct sw_flow_key *key, struct sw_flow_mask *mask);
45 
46 int ovs_nla_put_key(const struct sw_flow_key *, const struct sw_flow_key *,
47 		    int attr, bool is_mask, struct sk_buff *);
48 int ovs_nla_get_flow_metadata(const struct nlattr *, struct sw_flow_key *,
49 			      bool log);
50 
51 int ovs_nla_put_identifier(const struct sw_flow *flow, struct sk_buff *skb);
52 int ovs_nla_put_masked_key(const struct sw_flow *flow, struct sk_buff *skb);
53 int ovs_nla_put_mask(const struct sw_flow *flow, struct sk_buff *skb);
54 
55 int ovs_nla_get_match(struct sw_flow_match *, const struct nlattr *key,
56 		      const struct nlattr *mask, bool log);
57 int ovs_nla_put_egress_tunnel_key(struct sk_buff *,
58 				  const struct ovs_tunnel_info *);
59 
60 bool ovs_nla_get_ufid(struct sw_flow_id *, const struct nlattr *, bool log);
61 int ovs_nla_get_identifier(struct sw_flow_id *sfid, const struct nlattr *ufid,
62 			   const struct sw_flow_key *key, bool log);
63 u32 ovs_nla_get_ufid_flags(const struct nlattr *attr);
64 
65 int ovs_nla_copy_actions(const struct nlattr *attr,
66 			 const struct sw_flow_key *key,
67 			 struct sw_flow_actions **sfa, bool log);
68 int ovs_nla_put_actions(const struct nlattr *attr,
69 			int len, struct sk_buff *skb);
70 
71 void ovs_nla_free_flow_actions(struct sw_flow_actions *);
72 
73 #endif /* flow_netlink.h */
74