From 1b563527c143903b6e7e79b5978af5310372f605 Mon Sep 17 00:00:00 2001 From: AkshayaNadahalli Date: Mon, 23 Jan 2017 22:05:35 +0530 Subject: In-band OAM active probe (VPP-471) Change-Id: Icf0ddf76ba1c8b588c79387284cd0349ebc6e45f Signed-off-by: AkshayaNadahalli --- src/plugins/ioam/udp-ping/udp_ping_util.h | 83 +++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 src/plugins/ioam/udp-ping/udp_ping_util.h (limited to 'src/plugins/ioam/udp-ping/udp_ping_util.h') diff --git a/src/plugins/ioam/udp-ping/udp_ping_util.h b/src/plugins/ioam/udp-ping/udp_ping_util.h new file mode 100644 index 00000000000..fcaf27bd485 --- /dev/null +++ b/src/plugins/ioam/udp-ping/udp_ping_util.h @@ -0,0 +1,83 @@ +/* + * 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 PLUGINS_IOAM_PLUGIN_IOAM_UDP_PING_UDP_PING_UTIL_H_ +#define PLUGINS_IOAM_PLUGIN_IOAM_UDP_PING_UDP_PING_UTIL_H_ + +int udp_ping_create_ip6_pak (u8 * buf, /*u16 len, */ + ip6_address_t src, ip6_address_t dst, + u16 src_port, u16 dst_port, + u8 msg_type, u16 ctx); + +int +udp_ping_compare_flow (ip46_address_t src, ip46_address_t dst, + u16 start_src_port, u16 end_src_port, + u16 start_dst_port, u16 end_dst_port, + ip46_udp_ping_flow * flow); + +void +udp_ping_populate_flow (ip46_address_t src, ip46_address_t dst, + u16 start_src_port, u16 end_src_port, + u16 start_dst_port, u16 end_dst_port, + u16 interval, u8 fault_det, + ip46_udp_ping_flow * flow); + +void udp_ping_free_flow_data (ip46_udp_ping_flow * flow); + +void udp_ping_create_rewrite (ip46_udp_ping_flow * flow, u16 ctx); + +void udp_ping_send_ip6_pak (vlib_main_t * vm, ip46_udp_ping_flow * flow); + +/** + * @brief Create and send ipv6 udp-ping response packet. + * + */ +always_inline void +udp_ping_create_reply_from_probe_ip6 (ip6_header_t * ip, + ip6_hop_by_hop_header_t * hbh, + udp_ping_t * udp) +{ + ip6_address_t src; + u16 src_port; + ioam_trace_option_t *trace; + + src = ip->src_address; + + ip->src_address = ip->dst_address; + ip->dst_address = src; + + trace = (ioam_trace_option_t *) + ip6_hbh_get_option (hbh, HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST); + ip6_hbh_ioam_trace_reset_bit (trace, BIT_LOOPBACK); + + /* No need of endian transform */ + src_port = udp->udp.src_port; + + udp->udp.src_port = udp->udp.dst_port; + udp->udp.dst_port = src_port; + udp->udp.checksum = 0; //FIXME + + udp->ping_data.msg_type = UDP_PING_REPLY; +} + +#endif /* PLUGINS_IOAM_PLUGIN_IOAM_UDP_PING_UDP_PING_UTIL_H_ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg