/* SPDX-License-Identifier: GPL-2.0-only */

  /*
   * Copyright (c) 2007-2013 Nicira, Inc.

   */
  
  
  #ifndef FLOW_NETLINK_H
  #define FLOW_NETLINK_H 1
  
  #include <linux/kernel.h>
  #include <linux/netlink.h>
  #include <linux/openvswitch.h>
  #include <linux/spinlock.h>
  #include <linux/types.h>
  #include <linux/rcupdate.h>
  #include <linux/if_ether.h>
  #include <linux/in6.h>
  #include <linux/jiffies.h>
  #include <linux/time.h>

  
  #include <net/inet_ecn.h>
  #include <net/ip_tunnels.h>
  
  #include "flow.h"

  size_t ovs_tun_key_attr_size(void);

  size_t ovs_key_attr_size(void);

  void ovs_match_init(struct sw_flow_match *match,

  		    struct sw_flow_key *key, bool reset_key,
  		    struct sw_flow_mask *mask);

  int ovs_nla_put_key(const struct sw_flow_key *, const struct sw_flow_key *,
  		    int attr, bool is_mask, struct sk_buff *);

  int parse_flow_nlattrs(const struct nlattr *attr, const struct nlattr *a[],
  		       u64 *attrsp, bool log);
  int ovs_nla_get_flow_metadata(struct net *net,
  			      const struct nlattr *a[OVS_KEY_ATTR_MAX + 1],
  			      u64 attrs, struct sw_flow_key *key, bool log);

  int ovs_nla_put_identifier(const struct sw_flow *flow, struct sk_buff *skb);
  int ovs_nla_put_masked_key(const struct sw_flow *flow, struct sk_buff *skb);

  int ovs_nla_put_mask(const struct sw_flow *flow, struct sk_buff *skb);

  int ovs_nla_get_match(struct net *, struct sw_flow_match *,
  		      const struct nlattr *key, const struct nlattr *mask,
  		      bool log);

  
  int ovs_nla_put_tunnel_info(struct sk_buff *skb,
  			    struct ip_tunnel_info *tun_info);

  bool ovs_nla_get_ufid(struct sw_flow_id *, const struct nlattr *, bool log);
  int ovs_nla_get_identifier(struct sw_flow_id *sfid, const struct nlattr *ufid,
  			   const struct sw_flow_key *key, bool log);
  u32 ovs_nla_get_ufid_flags(const struct nlattr *attr);

  int ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,

  			 const struct sw_flow_key *key,

  			 struct sw_flow_actions **sfa, bool log);

  int ovs_nla_add_action(struct sw_flow_actions **sfa, int attrtype,
  		       void *data, int len, bool log);

  int ovs_nla_put_actions(const struct nlattr *attr,
  			int len, struct sk_buff *skb);

  void ovs_nla_free_flow_actions(struct sw_flow_actions *);

  void ovs_nla_free_flow_actions_rcu(struct sw_flow_actions *);

  int nsh_key_from_nlattr(const struct nlattr *attr, struct ovs_key_nsh *nsh,
  			struct ovs_key_nsh *nsh_mask);
  int nsh_hdr_from_nlattr(const struct nlattr *attr, struct nshhdr *nh,
  			size_t size);

  #endif /* flow_netlink.h */