net/openvswitch/flow_netlink.h

   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, bool reset_key,
  45                     struct sw_flow_mask *mask);
  46
  47 int ovs_nla_put_key(const struct sw_flow_key *, const struct sw_flow_key *,
  48                     int attr, bool is_mask, struct sk_buff *);
  49 int ovs_nla_get_flow_metadata(struct net *, const struct nlattr *,
  50                               struct sw_flow_key *, bool log);
  51
  52 int ovs_nla_put_identifier(const struct sw_flow *flow, struct sk_buff *skb);
  53 int ovs_nla_put_masked_key(const struct sw_flow *flow, struct sk_buff *skb);
  54 int ovs_nla_put_mask(const struct sw_flow *flow, struct sk_buff *skb);
  55
  56 int ovs_nla_get_match(struct net *, struct sw_flow_match *,
  57                       const struct nlattr *key, const struct nlattr *mask,
  58                       bool log);
  59
  60 int ovs_nla_put_tunnel_info(struct sk_buff *skb,
  61                             struct ip_tunnel_info *tun_info);
  62
  63 bool ovs_nla_get_ufid(struct sw_flow_id *, const struct nlattr *, bool log);
  64 int ovs_nla_get_identifier(struct sw_flow_id *sfid, const struct nlattr *ufid,
  65                            const struct sw_flow_key *key, bool log);
  66 u32 ovs_nla_get_ufid_flags(const struct nlattr *attr);
  67
  68 int 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);
  71 int ovs_nla_add_action(struct sw_flow_actions **sfa, int attrtype,
  72                        void *data, int len, bool log);
  73 int ovs_nla_put_actions(const struct nlattr *attr,
  74                         int len, struct sk_buff *skb);
  75
  76 void ovs_nla_free_flow_actions(struct sw_flow_actions *);
  77 void ovs_nla_free_flow_actions_rcu(struct sw_flow_actions *);
  78
  79 #endif /* flow_netlink.h */