1 files changed, 66 insertions, 0 deletions
diff --git a/src/vnet/ip/ip6_hop_by_hop_packet.h b/src/vnet/ip/ip6_hop_by_hop_packet.h
new file mode 100644
index 00000000000..543ba8b0533
--- /dev/null
+++ b/src/vnet/ip/ip6_hop_by_hop_packet.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __included_ip6_hop_by_hop_packet_h__
+#define __included_ip6_hop_by_hop_packet_h__
+
+typedef struct
+{
+  /* Protocol for next header */
+  u8 protocol;
+  /*
+   * Length of hop_by_hop header in 8 octet units,
+   * not including the first 8 octets
+   */
+  u8 length;
+} ip6_hop_by_hop_header_t;
+
+typedef struct
+{
+  /* Option Type */
+#define HBH_OPTION_TYPE_SKIP_UNKNOWN (0x00)
+#define HBH_OPTION_TYPE_DISCARD_UNKNOWN (0x40)
+#define HBH_OPTION_TYPE_DISCARD_UNKNOWN_ICMP (0x80)
+#define HBH_OPTION_TYPE_DISCARD_UNKNOWN_ICMP_NOT_MCAST (0xc0)
+#define HBH_OPTION_TYPE_HIGH_ORDER_BITS (0xc0)
+#define HBH_OPTION_TYPE_DATA_CHANGE_ENROUTE (1<<5)
+  u8 type;
+  /* Length in octets of the option data field */
+  u8 length;
+} ip6_hop_by_hop_option_t;
+
+/* $$$$ IANA banana constants */
+#define HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST 59	/* Third highest bit set (change en-route) */
+#define HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT 60	/* Third highest bit set (change en-route) */
+#define HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE 29
+
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED(struct {
+  ip6_hop_by_hop_option_t hdr;
+  u8 e2e_type;
+  u8 reserved;
+  u32 e2e_data;
+}) ioam_e2e_option_t;
+/* *INDENT-ON* */
+
+#endif /* __included_ip6_hop_by_hop_packet_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */