From f126e1c375fb63ba6ae8121dce3ea86bc6cf1809 Mon Sep 17 00:00:00 2001 From: Vengada Date: Mon, 13 Mar 2017 23:43:58 -0700 Subject: Add support for iOAM (sub-TLV) over NSH-MD2. iOAM trace records are carried as MD2 TLV data. Change-Id: Id6fe6c961aa3879df5ae476f13b0e39bcc6c0dfe Signed-off-by: Vengada --- nsh-plugin/nsh-md2-ioam/nsh_md2_ioam.h | 119 +++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 nsh-plugin/nsh-md2-ioam/nsh_md2_ioam.h (limited to 'nsh-plugin/nsh-md2-ioam/nsh_md2_ioam.h') diff --git a/nsh-plugin/nsh-md2-ioam/nsh_md2_ioam.h b/nsh-plugin/nsh-md2-ioam/nsh_md2_ioam.h new file mode 100644 index 0000000..3d48fde --- /dev/null +++ b/nsh-plugin/nsh-md2-ioam/nsh_md2_ioam.h @@ -0,0 +1,119 @@ +/* + * Copyright (c) 2017 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_nsh_md2_ioam_h__ +#define __included_nsh_md2_ioam_h__ + +#include +#include +#include +#include +#include + + +typedef struct nsh_md2_ioam_sw_interface_ +{ + u32 sw_if_index; +} nsh_md2_ioam_sw_interface_t; + +typedef struct nsh_md2_ioam_dest_tunnels_ +{ + ip46_address_t dst_addr; + u32 fp_proto; + u32 sibling_index; + fib_node_index_t fib_entry_index; + u32 outer_fib_index; +} nsh_md2_ioam_dest_tunnels_t; + +typedef struct nsh_md2_ioam_main_ +{ + /** + * Linkage into the FIB object graph + */ + fib_node_t node; + + /* time scale transform. Joy. */ + u32 unix_time_0; + f64 vlib_time_0; + + + /* Trace option */ + u8 has_trace_option; + + /* Pot option */ + u8 has_pot_option; + +#define PPC_NONE 0 +#define PPC_ENCAP 1 +#define PPC_DECAP 2 + u8 has_ppc_option; + +#define TSP_SECONDS 0 +#define TSP_MILLISECONDS 1 +#define TSP_MICROSECONDS 2 +#define TSP_NANOSECONDS 3 + + + /* API message ID base */ + u16 msg_id_base; + + /* Override to export for iOAM */ + uword decap_v4_next_override; + uword decap_v6_next_override; + + /* sequence of node graph for encap */ + uword encap_v4_next_node; + uword encap_v6_next_node; + + /* Software interfaces. */ + nsh_md2_ioam_sw_interface_t *sw_interfaces; + + /* hash ip4/ip6 -> list of destinations for doing transit iOAM operation */ + nsh_md2_ioam_dest_tunnels_t *dst_tunnels; + uword *dst_by_ip4; + uword *dst_by_ip6; + + /** per sw_if_index, to maintain bitmap */ + u8 *bool_ref_by_sw_if_index; + fib_node_type_t fib_entry_type; + + +} nsh_md2_ioam_main_t; +extern nsh_md2_ioam_main_t nsh_md2_ioam_main; + +/* + * Primary h-b-h handler trace support + */ +typedef struct +{ + u32 next_index; + u32 trace_len; + u8 option_data[256]; +} ioam_trace_t; + + +clib_error_t *nsh_md2_ioam_enable_disable (int has_trace_option, + int has_pot_option, + int has_ppc_option); + + + +int nsh_md2_ioam_trace_profile_setup (void); + +int nsh_md2_ioam_trace_profile_cleanup (void); +extern void nsh_md2_ioam_interface_init (void); + + + +#endif -- cgit 1.2.3-korg