LXR linux/net/openvswitch/flow

   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, struct sw_flow_mask *mask);
  45
  46int ovs_nla_put_key(const struct sw_flow_key *, const struct sw_flow_key *,
  47                    int attr, bool is_mask, struct sk_buff *);
  48int ovs_nla_get_flow_metadata(struct net *, const struct nlattr *,
  49                              struct sw_flow_key *, bool log);
  50
  51int ovs_nla_put_identifier(const struct sw_flow *flow, struct sk_buff *skb);
  52int ovs_nla_put_masked_key(const struct sw_flow *flow, struct sk_buff *skb);
  53int ovs_nla_put_mask(const struct sw_flow *flow, struct sk_buff *skb);
  54
  55int ovs_nla_get_match(struct net *, struct sw_flow_match *,
  56                      const struct nlattr *key, const struct nlattr *mask,
  57                      bool log);
  58
  59int ovs_nla_put_tunnel_info(struct sk_buff *skb,
  60                            struct ip_tunnel_info *tun_info);
  61
  62bool ovs_nla_get_ufid(struct sw_flow_id *, const struct nlattr *, bool log);
  63int ovs_nla_get_identifier(struct sw_flow_id *sfid, const struct nlattr *ufid,
  64                           const struct sw_flow_key *key, bool log);
  65u32 ovs_nla_get_ufid_flags(const struct nlattr *attr);
  66
  67int ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,
  68                         const struct sw_flow_key *key,
  69                         struct sw_flow_actions **sfa, bool log);
  70int ovs_nla_add_action(struct sw_flow_actions **sfa, int attrtype,
  71                       void *data, int len, bool log);
  72int ovs_nla_put_actions(const struct nlattr *attr,
  73                        int len, struct sk_buff *skb);
  74
  75void ovs_nla_free_flow_actions(struct sw_flow_actions *);
  76void ovs_nla_free_flow_actions_rcu(struct sw_flow_actions *);
  77
  78#endif /* flow_netlink.h */
  79