net/openvswitch/flow_netlink.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (c) 2007-2013 Nicira, Inc.
   4  */
   5
   6
   7 #ifndef FLOW_NETLINK_H
   8 #define FLOW_NETLINK_H 1
   9
  10 #include <linux/kernel.h>
  11 #include <linux/netlink.h>
  12 #include <linux/openvswitch.h>
  13 #include <linux/spinlock.h>
  14 #include <linux/types.h>
  15 #include <linux/rcupdate.h>
  16 #include <linux/if_ether.h>
  17 #include <linux/in6.h>
  18 #include <linux/jiffies.h>
  19 #include <linux/time.h>
  20
  21 #include <net/inet_ecn.h>
  22 #include <net/ip_tunnels.h>
  23
  24 #include "flow.h"
  25
  26 size_t ovs_tun_key_attr_size(void);
  27 size_t ovs_key_attr_size(void);
  28
  29 void ovs_match_init(struct sw_flow_match *match,
  30                     struct sw_flow_key *key, bool reset_key,
  31                     struct sw_flow_mask *mask);
  32
  33 int ovs_nla_put_key(const struct sw_flow_key *, const struct sw_flow_key *,
  34                     int attr, bool is_mask, struct sk_buff *);
  35 int parse_flow_nlattrs(const struct nlattr *attr, const struct nlattr *a[],
  36                        u64 *attrsp, bool log);
  37 int ovs_nla_get_flow_metadata(struct net *net,
  38                               const struct nlattr *a[OVS_KEY_ATTR_MAX + 1],
  39                               u64 attrs, struct sw_flow_key *key, bool log);
  40
  41 int ovs_nla_put_identifier(const struct sw_flow *flow, struct sk_buff *skb);
  42 int ovs_nla_put_masked_key(const struct sw_flow *flow, struct sk_buff *skb);
  43 int ovs_nla_put_mask(const struct sw_flow *flow, struct sk_buff *skb);
  44
  45 int ovs_nla_get_match(struct net *, struct sw_flow_match *,
  46                       const struct nlattr *key, const struct nlattr *mask,
  47                       bool log);
  48
  49 int ovs_nla_put_tunnel_info(struct sk_buff *skb,
  50                             struct ip_tunnel_info *tun_info);
  51
  52 bool ovs_nla_get_ufid(struct sw_flow_id *, const struct nlattr *, bool log);
  53 int ovs_nla_get_identifier(struct sw_flow_id *sfid, const struct nlattr *ufid,
  54                            const struct sw_flow_key *key, bool log);
  55 u32 ovs_nla_get_ufid_flags(const struct nlattr *attr);
  56
  57 int ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,
  58                          const struct sw_flow_key *key,
  59                          struct sw_flow_actions **sfa, bool log);
  60 int ovs_nla_add_action(struct sw_flow_actions **sfa, int attrtype,
  61                        void *data, int len, bool log);
  62 int ovs_nla_put_actions(const struct nlattr *attr,
  63                         int len, struct sk_buff *skb);
  64
  65 void ovs_nla_free_flow_actions(struct sw_flow_actions *);
  66 void ovs_nla_free_flow_actions_rcu(struct sw_flow_actions *);
  67
  68 int nsh_key_from_nlattr(const struct nlattr *attr, struct ovs_key_nsh *nsh,
  69                         struct ovs_key_nsh *nsh_mask);
  70 int nsh_hdr_from_nlattr(const struct nlattr *attr, struct nshhdr *nh,
  71                         size_t size);
  72
  73 #endif /* flow_netlink.h */