2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
15 #ifndef __MPLS_TYPES_H__
16 #define __MPLS_TYPES_H__
18 #define MPLS_IETF_MIN_LABEL 0x00000
19 #define MPLS_IETF_MAX_LABEL 0xfffff
21 #define MPLS_IETF_MIN_RESERVED_LABEL 0x00000
22 #define MPLS_IETF_MAX_RESERVED_LABEL 0x0000f
24 #define MPLS_IETF_MIN_UNRES_LABEL 0x00010
25 #define MPLS_IETF_MAX_UNRES_LABEL 0xfffff
27 #define MPLS_IETF_IPV4_EXPLICIT_NULL_LABEL 0x00000
28 #define MPLS_IETF_ROUTER_ALERT_LABEL 0x00001
29 #define MPLS_IETF_IPV6_EXPLICIT_NULL_LABEL 0x00002
30 #define MPLS_IETF_IMPLICIT_NULL_LABEL 0x00003
31 #define MPLS_IETF_ELI_LABEL 0x00007
32 #define MPLS_IETF_GAL_LABEL 0x0000D
34 #define MPLS_IETF_IPV4_EXPLICIT_NULL_STRING "ip4-explicit-null"
35 #define MPLS_IETF_IPV4_EXPLICIT_NULL_BRIEF_STRING "e-nul"
36 #define MPLS_IETF_IMPLICIT_NULL_STRING "implicit-null"
37 #define MPLS_IETF_IMPLICIT_NULL_BRIEF_STRING "i-nul"
38 #define MPLS_IETF_ROUTER_ALERT_STRING "router-alert"
39 #define MPLS_IETF_ROUTER_ALERT_BRIEF_STRING "r-alt"
40 #define MPLS_IETF_IPV6_EXPLICIT_NULL_STRING "ipv6-explicit-null"
41 #define MPLS_IETF_IPV6_EXPLICIT_NULL_BRIEF_STRING "v6enl"
42 #define MPLS_IETF_ELI_STRING "entropy-label-indicator"
43 #define MPLS_IETF_ELI_BRIEF_STRING "eli"
44 #define MPLS_IETF_GAL_STRING "gal"
45 #define MPLS_IETF_GAL_BRIEF_STRING "gal"
47 #define MPLS_LABEL_INVALID (MPLS_IETF_MAX_LABEL+1)
49 #define MPLS_LABEL_IS_REAL(_lbl) \
50 (((_lbl) > MPLS_IETF_MIN_UNRES_LABEL) && \
51 ((_lbl) <= MPLS_IETF_MAX_UNRES_LABEL))
54 * The top bit of the index, which is the result of the MPLS lookup
55 * is used to determine if the DPO is a load-balance or a replicate
57 #define MPLS_IS_REPLICATE 0x80000000