mirror of
https://github.com/openvswitch/ovs
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110 lines
5.1 KiB
C
110 lines
5.1 KiB
C
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/*
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* Copyright (c) 2009, 2010, 2011, 2012 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MATCH_H
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#define MATCH_H 1
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#include "flow.h"
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/* A flow classification match.
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*
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* Use one of the match_*() functions to initialize a "struct match".
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*
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* The match_*() functions below maintain the following important invariant.
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* If a bit or a field is wildcarded in 'wc', then the corresponding bit or
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* field in 'flow' is set to all-0-bits. (The match_zero_wildcarded_fields()
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* function can be used to restore this invariant after adding wildcards.) */
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struct match {
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struct flow flow;
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struct flow_wildcards wc;
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};
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void match_init(struct match *,
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const struct flow *, const struct flow_wildcards *);
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void match_init_catchall(struct match *);
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void match_init_exact(struct match *, const struct flow *);
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void match_zero_wildcarded_fields(struct match *);
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void match_set_reg(struct match *, unsigned int reg_idx, uint32_t value);
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void match_set_reg_masked(struct match *, unsigned int reg_idx,
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uint32_t value, uint32_t mask);
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void match_set_metadata(struct match *, ovs_be64 metadata);
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void match_set_metadata_masked(struct match *,
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ovs_be64 metadata, ovs_be64 mask);
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void match_set_tun_id(struct match *, ovs_be64 tun_id);
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void match_set_tun_id_masked(struct match *, ovs_be64 tun_id, ovs_be64 mask);
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void match_set_in_port(struct match *, uint16_t ofp_port);
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void match_set_dl_type(struct match *, ovs_be16);
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void match_set_dl_src(struct match *, const uint8_t[6]);
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void match_set_dl_src_masked(struct match *, const uint8_t dl_src[6],
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const uint8_t mask[6]);
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void match_set_dl_dst(struct match *, const uint8_t[6]);
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void match_set_dl_dst_masked(struct match *, const uint8_t dl_dst[6],
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const uint8_t mask[6]);
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void match_set_dl_tci(struct match *, ovs_be16 tci);
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void match_set_dl_tci_masked(struct match *, ovs_be16 tci, ovs_be16 mask);
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void match_set_any_vid(struct match *);
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void match_set_dl_vlan(struct match *, ovs_be16);
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void match_set_vlan_vid(struct match *, ovs_be16);
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void match_set_vlan_vid_masked(struct match *, ovs_be16 vid, ovs_be16 mask);
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void match_set_any_pcp(struct match *);
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void match_set_dl_vlan_pcp(struct match *, uint8_t);
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void match_set_tp_src(struct match *, ovs_be16);
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void match_set_tp_src_masked(struct match *, ovs_be16 port, ovs_be16 mask);
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void match_set_tp_dst(struct match *, ovs_be16);
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void match_set_tp_dst_masked(struct match *, ovs_be16 port, ovs_be16 mask);
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void match_set_nw_proto(struct match *, uint8_t);
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void match_set_nw_src(struct match *, ovs_be32);
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void match_set_nw_src_masked(struct match *, ovs_be32 ip, ovs_be32 mask);
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void match_set_nw_dst(struct match *, ovs_be32);
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void match_set_nw_dst_masked(struct match *, ovs_be32 ip, ovs_be32 mask);
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void match_set_nw_dscp(struct match *, uint8_t);
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void match_set_nw_ecn(struct match *, uint8_t);
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void match_set_nw_ttl(struct match *, uint8_t);
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void match_set_nw_frag(struct match *, uint8_t nw_frag);
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void match_set_nw_frag_masked(struct match *, uint8_t nw_frag, uint8_t mask);
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void match_set_icmp_type(struct match *, uint8_t);
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void match_set_icmp_code(struct match *, uint8_t);
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void match_set_arp_sha(struct match *, const uint8_t[6]);
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void match_set_arp_sha_masked(struct match *,
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const uint8_t arp_sha[6],
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const uint8_t mask[6]);
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void match_set_arp_tha(struct match *, const uint8_t[6]);
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void match_set_arp_tha_masked(struct match *,
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const uint8_t arp_tha[6],
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const uint8_t mask[6]);
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void match_set_ipv6_src(struct match *, const struct in6_addr *);
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void match_set_ipv6_src_masked(struct match *, const struct in6_addr *,
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const struct in6_addr *);
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void match_set_ipv6_dst(struct match *, const struct in6_addr *);
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void match_set_ipv6_dst_masked(struct match *, const struct in6_addr *,
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const struct in6_addr *);
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void match_set_ipv6_label(struct match *, ovs_be32);
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void match_set_ipv6_label_masked(struct match *, ovs_be32, ovs_be32);
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void match_set_nd_target(struct match *, const struct in6_addr *);
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void match_set_nd_target_masked(struct match *, const struct in6_addr *,
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const struct in6_addr *);
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bool match_equal(const struct match *, const struct match *);
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uint32_t match_hash(const struct match *, uint32_t basis);
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void match_format(const struct match *, struct ds *, unsigned int priority);
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char *match_to_string(const struct match *, unsigned int priority);
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void match_print(const struct match *);
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#endif /* match.h */
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