projects / ovs.git / blame
| Commit | Line | Data |
|---|---|---|
| b2bd6da6 BW |
1 | /* |
| 2 | * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc. | |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at: | |
| 7 | * | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | ||
| 17 | #ifndef OPENVSWITCH_PACKETS_H | |
| 18 | #define OPENVSWITCH_PACKETS_H 1 | |
| 19 | ||
| 20 | #include <netinet/in.h> | |
| 21 | #include "openvswitch/tun-metadata.h" | |
| 22 | ||
| ec30ca5f BP |
23 | #ifdef __cplusplus |
| 24 | extern "C" { | |
| 25 | #endif | |
| 26 | ||
| b2bd6da6 BW |
27 | /* Tunnel information used in flow key and metadata. */ |
| 28 | struct flow_tnl { | |
| 29 | ovs_be32 ip_dst; | |
| 30 | struct in6_addr ipv6_dst; | |
| 31 | ovs_be32 ip_src; | |
| 32 | struct in6_addr ipv6_src; | |
| 33 | ovs_be64 tun_id; | |
| 34 | uint16_t flags; | |
| 35 | uint8_t ip_tos; | |
| 36 | uint8_t ip_ttl; | |
| 37 | ovs_be16 tp_src; | |
| 38 | ovs_be16 tp_dst; | |
| 39 | ovs_be16 gbp_id; | |
| 40 | uint8_t gbp_flags; | |
| 41 | uint8_t pad1[5]; /* Pad to 64 bits. */ | |
| 42 | struct tun_metadata metadata; | |
| 43 | }; | |
| 44 | ||
| 45 | /* Some flags are exposed through OpenFlow while others are used only | |
| 46 | * internally. */ | |
| 47 | ||
| 48 | /* Public flags */ | |
| 49 | #define FLOW_TNL_F_OAM (1 << 0) | |
| 50 | ||
| 51 | #define FLOW_TNL_PUB_F_MASK ((1 << 1) - 1) | |
| 52 | ||
| 53 | /* Private flags */ | |
| 54 | #define FLOW_TNL_F_DONT_FRAGMENT (1 << 1) | |
| 55 | #define FLOW_TNL_F_CSUM (1 << 2) | |
| 56 | #define FLOW_TNL_F_KEY (1 << 3) | |
| 57 | ||
| 58 | #define FLOW_TNL_F_MASK ((1 << 4) - 1) | |
| 59 | ||
| 60 | /* Unfortunately, a "struct flow" sometimes has to handle OpenFlow port | |
| 61 | * numbers and other times datapath (dpif) port numbers. This union allows | |
| 62 | * access to both. */ | |
| 63 | union flow_in_port { | |
| 64 | odp_port_t odp_port; | |
| 65 | ofp_port_t ofp_port; | |
| 66 | }; | |
| 67 | ||
| f0fb825a EG |
68 | union flow_vlan_hdr { |
| 69 | ovs_be32 qtag; | |
| 70 | struct { | |
| 71 | ovs_be16 tpid; /* ETH_TYPE_VLAN_DOT1Q or ETH_TYPE_DOT1AD */ | |
| 72 | ovs_be16 tci; | |
| 73 | }; | |
| 74 | }; | |
| 75 | ||
| 3d2fbd70 JS |
76 | /* Network Service Header keys */ |
| 77 | struct flow_nsh { | |
| 78 | uint8_t flags; | |
| 79 | uint8_t mdtype; | |
| 80 | uint8_t np; | |
| 81 | uint8_t si; | |
| 82 | ovs_be32 spi; | |
| 83 | ovs_be32 c[4]; | |
| 84 | }; | |
| 85 | ||
| 86 | /* NSH flags */ | |
| 87 | #define FLOW_NSH_F_OAM (1 << 0) | |
| 88 | #define FLOW_NSH_F_CTX (1 << 1) | |
| 89 | ||
| 90 | #define FLOW_NSH_F_MASK ((1 << 2) - 1) | |
| 91 | ||
| 1acb986d | 92 | #ifdef __cplusplus |
| 93 | } | |
| 94 | #endif | |
| 95 | ||
| b2bd6da6 | 96 | #endif /* packets.h */ |