2 * Copyright (c) 2015 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 __included_ip6_hop_by_hop_packet_h__
16 #define __included_ip6_hop_by_hop_packet_h__
19 /* Protocol for next header */
22 * Length of hop_by_hop header in 8 octet units,
23 * not including the first 8 octets
26 } ip6_hop_by_hop_header_t;
30 #define HBH_OPTION_TYPE_SKIP_UNKNOWN (0x0 << 6)
31 #define HBH_OPTION_TYPE_DISCARD_UNKNOWN (0x1 << 6)
32 #define HBH_OPTION_TYPE_DISCARD_UNKNOWN_ICMP (0x2 << 6)
33 #define HBH_OPTION_TYPE_DISCARD_UNKNOWN_ICMP_NOT_MCAST (0x3 << 6)
34 #define HBH_OPTION_TYPE_DATA_CHANGE_ENROUTE (1<<5)
35 #define HBH_OPTION_TYPE_MASK (0x1F)
37 /* Length in octets of the option data field */
39 } ip6_hop_by_hop_option_t;
41 /* $$$$ IANA banana constants */
42 #define HBH_OPTION_TYPE_IOAM_DATA_LIST 1
43 #define HBH_OPTION_TYPE_IOAM_PROOF_OF_WORK 2
51 } ioam_data_list_element_t;
53 typedef CLIB_PACKED(struct {
54 ip6_hop_by_hop_option_t hdr;
55 u8 data_list_elts_left;
56 ioam_data_list_element_t elts[0];
57 }) ioam_trace_option_t;
59 typedef CLIB_PACKED(struct {
60 ip6_hop_by_hop_option_t hdr;
67 #endif /* __included_ip6_hop_by_hop_packet_h__ */