2 * Copyright (c) 2016 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.
16 *------------------------------------------------------------------
17 * ioam_export.c - ioam export API / debug CLI handling
18 *------------------------------------------------------------------
21 #include <vnet/vnet.h>
22 #include <vnet/plugin/plugin.h>
23 #include <ioam/export-common/ioam_export.h>
25 #include <vlibapi/api.h>
26 #include <vlibmemory/api.h>
27 #include <vlibsocket/api.h>
28 #include <vnet/ip/ip6_hop_by_hop.h>
31 /* define message IDs */
32 #include <ioam/export/ioam_export_msg_enum.h>
34 /* define message structures */
36 #include <ioam/export/ioam_export_all_api_h.h>
39 /* define generated endian-swappers */
41 #include <ioam/export/ioam_export_all_api_h.h>
44 /* instantiate all the print functions we know about */
45 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
47 #include <ioam/export/ioam_export_all_api_h.h>
50 /* Get the API version number */
51 #define vl_api_version(n,v) static u32 api_version=(v);
52 #include <ioam/export/ioam_export_all_api_h.h>
55 #define REPLY_MSG_ID_BASE sm->msg_id_base
56 #include <vlibapi/api_helper_macros.h>
58 /* List of message types that this plugin understands */
59 #define foreach_ioam_export_plugin_api_msg \
60 _(IOAM_EXPORT_IP6_ENABLE_DISABLE, ioam_export_ip6_enable_disable)
62 ioam_export_main_t ioam_export_main;
64 extern vlib_node_registration_t export_node;
66 /* Action function shared between message handler and debug CLI */
69 ioam_export_ip6_enable_disable (ioam_export_main_t * em,
71 ip4_address_t * collector_address,
72 ip4_address_t * src_address)
74 vlib_main_t *vm = em->vlib_main;
78 if (1 == ioam_export_header_create (em, collector_address, src_address))
80 ioam_export_thread_buffer_init (em, vm);
81 ip6_hbh_set_next_override (em->my_hbh_slot);
82 /* Turn on the export buffer check process */
83 vlib_process_signal_event (vm, em->export_process_node_index, 1, 0);
93 ip6_hbh_set_next_override (IP6_LOOKUP_NEXT_POP_HOP_BY_HOP);
94 ioam_export_header_cleanup (em, collector_address, src_address);
95 ioam_export_thread_buffer_free (em);
96 /* Turn off the export buffer check process */
97 vlib_process_signal_event (vm, em->export_process_node_index, 2, 0);
104 /* API message handler */
105 static void vl_api_ioam_export_ip6_enable_disable_t_handler
106 (vl_api_ioam_export_ip6_enable_disable_t * mp)
108 vl_api_ioam_export_ip6_enable_disable_reply_t *rmp;
109 ioam_export_main_t *sm = &ioam_export_main;
112 rv = ioam_export_ip6_enable_disable (sm, (int) (mp->is_disable),
114 mp->collector_address,
115 (ip4_address_t *) mp->src_address);
117 REPLY_MACRO (VL_API_IOAM_EXPORT_IP6_ENABLE_DISABLE_REPLY);
120 /* Set up the API message handling tables */
121 static clib_error_t *
122 ioam_export_plugin_api_hookup (vlib_main_t * vm)
124 ioam_export_main_t *sm = &ioam_export_main;
126 vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
128 vl_api_##n##_t_handler, \
130 vl_api_##n##_t_endian, \
131 vl_api_##n##_t_print, \
132 sizeof(vl_api_##n##_t), 1);
133 foreach_ioam_export_plugin_api_msg;
139 #define vl_msg_name_crc_list
140 #include <ioam/export/ioam_export_all_api_h.h>
141 #undef vl_msg_name_crc_list
144 setup_message_id_table (ioam_export_main_t * sm, api_main_t * am)
146 #define _(id,n,crc) \
147 vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
148 foreach_vl_msg_name_crc_ioam_export;
152 static clib_error_t *
153 set_ioam_export_ipfix_command_fn (vlib_main_t * vm,
154 unformat_input_t * input,
155 vlib_cli_command_t * cmd)
157 ioam_export_main_t *em = &ioam_export_main;
158 ip4_address_t collector, src;
161 collector.as_u32 = 0;
164 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
166 if (unformat (input, "collector %U", unformat_ip4_address, &collector))
168 else if (unformat (input, "src %U", unformat_ip4_address, &src))
170 else if (unformat (input, "disable"))
176 if (collector.as_u32 == 0)
177 return clib_error_return (0, "collector address required");
180 return clib_error_return (0, "src address required");
182 em->ipfix_collector.as_u32 = collector.as_u32;
183 em->src_address.as_u32 = src.as_u32;
185 vlib_cli_output (vm, "Collector %U, src address %U",
186 format_ip4_address, &em->ipfix_collector,
187 format_ip4_address, &em->src_address);
189 /* Turn on the export timer process */
190 // vlib_process_signal_event (vm, flow_report_process_node.index,
192 ioam_export_ip6_enable_disable (em, is_disable, &collector, &src);
198 VLIB_CLI_COMMAND (set_ipfix_command, static) =
200 .path = "set ioam export ipfix",.short_help =
201 "set ioam export ipfix collector <ip4-address> src <ip4-address>",.
202 function = set_ioam_export_ipfix_command_fn,};
206 static clib_error_t *
207 ioam_export_init (vlib_main_t * vm)
209 ioam_export_main_t *em = &ioam_export_main;
210 clib_error_t *error = 0;
212 u32 node_index = export_node.index;
213 vlib_node_t *ip6_hbyh_node = NULL;
216 em->vnet_main = vnet_get_main ();
217 em->set_id = IPFIX_IOAM_EXPORT_ID;
218 ioam_export_reset_next_node (em);
220 name = format (0, "ioam_export_%08x%c", api_version, 0);
222 /* Ask for a correctly-sized block of API message decode slots */
223 em->msg_id_base = vl_msg_api_get_msg_ids
224 ((char *) name, VL_MSG_FIRST_AVAILABLE);
225 em->unix_time_0 = (u32) time (0); /* Store starting time */
226 em->vlib_time_0 = vlib_time_now (vm);
228 error = ioam_export_plugin_api_hookup (vm);
230 /* Add our API messages to the global name_crc hash table */
231 setup_message_id_table (em, &api_main);
233 /* Hook this export node to ip6-hop-by-hop */
234 ip6_hbyh_node = vlib_get_node_by_name (vm, (u8 *) "ip6-hop-by-hop");
235 em->my_hbh_slot = vlib_node_add_next (vm, ip6_hbyh_node->index, node_index);
241 VLIB_INIT_FUNCTION (ioam_export_init);
244 * fd.io coding-style-patch-verification: ON
247 * eval: (c-set-style "gnu")