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authorAkshayaNadahalli <anadahal@cisco.com>2017-01-23 22:05:35 +0530
committerAkshayaNadahalli <anadahal@cisco.com>2017-03-07 14:08:22 +0000
commit1b563527c143903b6e7e79b5978af5310372f605 (patch)
tree7b673272cb930e03b77dd376f581d903c219a566 /src/plugins/ioam/udp-ping/udp_ping_util.h
parent066f034b903bda6e938bec1b12f01edef65ee9c4 (diff)
In-band OAM active probe (VPP-471)
Change-Id: Icf0ddf76ba1c8b588c79387284cd0349ebc6e45f Signed-off-by: AkshayaNadahalli <anadahal@cisco.com>
Diffstat (limited to 'src/plugins/ioam/udp-ping/udp_ping_util.h')
-rw-r--r--src/plugins/ioam/udp-ping/udp_ping_util.h83
1 files changed, 83 insertions, 0 deletions
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:
+ */