65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/*
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* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 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 OPENVSWITCH_PACKETS_H
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#define OPENVSWITCH_PACKETS_H 1
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#include <netinet/in.h>
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#include "openvswitch/tun-metadata.h"
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/* Tunnel information used in flow key and metadata. */
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struct flow_tnl {
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ovs_be32 ip_dst;
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struct in6_addr ipv6_dst;
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ovs_be32 ip_src;
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struct in6_addr ipv6_src;
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ovs_be64 tun_id;
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uint16_t flags;
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uint8_t ip_tos;
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uint8_t ip_ttl;
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ovs_be16 tp_src;
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ovs_be16 tp_dst;
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ovs_be16 gbp_id;
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uint8_t gbp_flags;
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uint8_t pad1[5]; /* Pad to 64 bits. */
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struct tun_metadata metadata;
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};
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/* Some flags are exposed through OpenFlow while others are used only
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* internally. */
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/* Public flags */
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#define FLOW_TNL_F_OAM (1 << 0)
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#define FLOW_TNL_PUB_F_MASK ((1 << 1) - 1)
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/* Private flags */
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#define FLOW_TNL_F_DONT_FRAGMENT (1 << 1)
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#define FLOW_TNL_F_CSUM (1 << 2)
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#define FLOW_TNL_F_KEY (1 << 3)
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#define FLOW_TNL_F_MASK ((1 << 4) - 1)
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/* Unfortunately, a "struct flow" sometimes has to handle OpenFlow port
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* numbers and other times datapath (dpif) port numbers. This union allows
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* access to both. */
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union flow_in_port {
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odp_port_t odp_port;
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ofp_port_t ofp_port;
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};
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#endif /* packets.h */
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