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c2ac667358
Allow matching and setting the ct_label field. As with ct_mark, this is populated by executing the CT action. The label field may be modified by specifying a label and mask nested under the CT action. It is stored as metadata attached to the connection. Label modification occurs after lookup, and will only persist when the conntrack entry is committed by providing the COMMIT flag to the CT action. Labels are currently fixed to 128 bits in size. Signed-off-by: Joe Stringer <joestringer@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Acked-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
/*
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* Copyright (c) 2007-2013 Nicira, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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*/
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#ifndef FLOW_NETLINK_H
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#define FLOW_NETLINK_H 1
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#include <linux/kernel.h>
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#include <linux/netlink.h>
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#include <linux/openvswitch.h>
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#include <linux/spinlock.h>
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#include <linux/types.h>
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#include <linux/rcupdate.h>
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#include <linux/if_ether.h>
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#include <linux/in6.h>
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#include <linux/jiffies.h>
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#include <linux/time.h>
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#include <linux/flex_array.h>
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#include <net/inet_ecn.h>
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#include <net/ip_tunnels.h>
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#include "flow.h"
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size_t ovs_tun_key_attr_size(void);
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size_t ovs_key_attr_size(void);
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void ovs_match_init(struct sw_flow_match *match,
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struct sw_flow_key *key, struct sw_flow_mask *mask);
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int ovs_nla_put_key(const struct sw_flow_key *, const struct sw_flow_key *,
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int attr, bool is_mask, struct sk_buff *);
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int ovs_nla_get_flow_metadata(struct net *, const struct nlattr *,
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struct sw_flow_key *, bool log);
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int ovs_nla_put_identifier(const struct sw_flow *flow, struct sk_buff *skb);
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int ovs_nla_put_masked_key(const struct sw_flow *flow, struct sk_buff *skb);
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int ovs_nla_put_mask(const struct sw_flow *flow, struct sk_buff *skb);
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int ovs_nla_get_match(struct net *, struct sw_flow_match *,
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const struct nlattr *key, const struct nlattr *mask,
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bool log);
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int ovs_nla_put_egress_tunnel_key(struct sk_buff *,
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const struct ip_tunnel_info *);
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bool ovs_nla_get_ufid(struct sw_flow_id *, const struct nlattr *, bool log);
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int ovs_nla_get_identifier(struct sw_flow_id *sfid, const struct nlattr *ufid,
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const struct sw_flow_key *key, bool log);
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u32 ovs_nla_get_ufid_flags(const struct nlattr *attr);
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int ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,
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const struct sw_flow_key *key,
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struct sw_flow_actions **sfa, bool log);
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int ovs_nla_add_action(struct sw_flow_actions **sfa, int attrtype,
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void *data, int len, bool log);
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int ovs_nla_put_actions(const struct nlattr *attr,
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int len, struct sk_buff *skb);
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void ovs_nla_free_flow_actions(struct sw_flow_actions *);
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void ovs_nla_free_flow_actions_rcu(struct sw_flow_actions *);
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#endif /* flow_netlink.h */
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