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 * vxlan_gpe_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>
24 #include <vnet/vxlan-gpe/vxlan_gpe.h>
26 #include <vlibapi/api.h>
27 #include <vlibmemory/api.h>
29 #include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
31 /* define message IDs */
32 #include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_msg_enum.h>
34 /* define message structures */
36 #include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
39 /* define generated endian-swappers */
41 #include <ioam/export-vxlan-gpe/vxlan_gpe_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-vxlan-gpe/vxlan_gpe_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-vxlan-gpe/vxlan_gpe_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_vxlan_gpe_ioam_export_plugin_api_msg \
60 _(VXLAN_GPE_IOAM_EXPORT_ENABLE_DISABLE, vxlan_gpe_ioam_export_enable_disable)
62 ioam_export_main_t vxlan_gpe_ioam_export_main;
63 extern vlib_node_registration_t vxlan_export_node;
65 extern void vxlan_gpe_set_next_override (uword next);
66 /* Action function shared between message handler and debug CLI */
68 vxlan_gpe_ioam_export_enable_disable (ioam_export_main_t * em,
70 ip4_address_t * collector_address,
71 ip4_address_t * src_address)
73 vlib_main_t *vm = em->vlib_main;
74 u32 node_index = vxlan_export_node.index;
75 vlib_node_t *vxlan_gpe_decap_ioam_node = NULL;
79 if (em->my_hbh_slot == ~0)
81 /* Hook this export node to vxlan-gpe-decap-ioam-v4 */
82 vxlan_gpe_decap_ioam_node =
83 vlib_get_node_by_name (vm, (u8 *) "vxlan-gpe-decap-ioam-v4");
84 if (!vxlan_gpe_decap_ioam_node)
86 /* node does not exist give up */
90 vlib_node_add_next (vm, vxlan_gpe_decap_ioam_node->index,
93 if (1 == ioam_export_header_create (em, collector_address, src_address))
95 ioam_export_thread_buffer_init (em, vm);
96 vxlan_gpe_set_next_override (em->my_hbh_slot);
97 /* Turn on the export buffer check process */
98 vlib_process_signal_event (vm, em->export_process_node_index, 1, 0);
108 vxlan_gpe_set_next_override (VXLAN_GPE_DECAP_IOAM_V4_NEXT_POP);
109 ioam_export_header_cleanup (em, collector_address, src_address);
110 ioam_export_thread_buffer_free (em);
111 /* Turn off the export buffer check process */
112 vlib_process_signal_event (vm, em->export_process_node_index, 2, 0);
119 /* API message handler */
120 static void vl_api_vxlan_gpe_ioam_export_enable_disable_t_handler
121 (vl_api_vxlan_gpe_ioam_export_enable_disable_t * mp)
123 vl_api_vxlan_gpe_ioam_export_enable_disable_reply_t *rmp;
124 ioam_export_main_t *sm = &vxlan_gpe_ioam_export_main;
127 rv = vxlan_gpe_ioam_export_enable_disable (sm, (int) (mp->is_disable),
129 mp->collector_address,
133 REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_EXPORT_ENABLE_DISABLE_REPLY);
134 } /* API message handler */
138 /* Set up the API message handling tables */
139 static clib_error_t *
140 vxlan_gpe_ioam_export_plugin_api_hookup (vlib_main_t * vm)
142 ioam_export_main_t *sm = &vxlan_gpe_ioam_export_main;
144 vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
146 vl_api_##n##_t_handler, \
148 vl_api_##n##_t_endian, \
149 vl_api_##n##_t_print, \
150 sizeof(vl_api_##n##_t), 1);
151 foreach_vxlan_gpe_ioam_export_plugin_api_msg;
157 #define vl_msg_name_crc_list
158 #include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export_all_api_h.h>
159 #undef vl_msg_name_crc_list
162 setup_message_id_table (ioam_export_main_t * sm, api_main_t * am)
164 #define _(id,n,crc) \
165 vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + sm->msg_id_base);
166 foreach_vl_msg_name_crc_vxlan_gpe_ioam_export;
171 static clib_error_t *
172 set_vxlan_gpe_ioam_export_ipfix_command_fn (vlib_main_t * vm,
173 unformat_input_t * input,
174 vlib_cli_command_t * cmd)
176 ioam_export_main_t *em = &vxlan_gpe_ioam_export_main;
177 ip4_address_t collector, src;
180 collector.as_u32 = 0;
183 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
185 if (unformat (input, "collector %U", unformat_ip4_address, &collector))
187 else if (unformat (input, "src %U", unformat_ip4_address, &src))
189 else if (unformat (input, "disable"))
195 if (collector.as_u32 == 0)
196 return clib_error_return (0, "collector address required");
199 return clib_error_return (0, "src address required");
201 em->ipfix_collector.as_u32 = collector.as_u32;
202 em->src_address.as_u32 = src.as_u32;
204 vlib_cli_output (vm, "Collector %U, src address %U",
205 format_ip4_address, &em->ipfix_collector,
206 format_ip4_address, &em->src_address);
208 /* Turn on the export timer process */
209 // vlib_process_signal_event (vm, flow_report_process_node.index,
212 vxlan_gpe_ioam_export_enable_disable (em, is_disable, &collector, &src))
214 return clib_error_return (0, "Unable to set ioam vxlan-gpe export");
221 VLIB_CLI_COMMAND (set_vxlan_gpe_ioam_ipfix_command, static) =
223 .path = "set vxlan-gpe-ioam export ipfix",
224 .short_help = "set vxlan-gpe-ioam export ipfix collector <ip4-address> src <ip4-address>",
225 .function = set_vxlan_gpe_ioam_export_ipfix_command_fn,
230 static clib_error_t *
231 vxlan_gpe_ioam_export_init (vlib_main_t * vm)
233 ioam_export_main_t *em = &vxlan_gpe_ioam_export_main;
234 clib_error_t *error = 0;
237 em->set_id = IPFIX_VXLAN_IOAM_EXPORT_ID;
239 name = format (0, "vxlan_gpe_ioam_export_%08x%c", api_version, 0);
241 /* Ask for a correctly-sized block of API message decode slots */
242 em->msg_id_base = vl_msg_api_get_msg_ids
243 ((char *) name, VL_MSG_FIRST_AVAILABLE);
244 em->unix_time_0 = (u32) time (0); /* Store starting time */
245 em->vlib_time_0 = vlib_time_now (vm);
247 error = vxlan_gpe_ioam_export_plugin_api_hookup (vm);
249 /* Add our API messages to the global name_crc hash table */
250 setup_message_id_table (em, &api_main);
252 em->my_hbh_slot = ~0;
254 em->vnet_main = vnet_get_main ();
255 ioam_export_reset_next_node (em);
261 VLIB_INIT_FUNCTION (vxlan_gpe_ioam_export_init);
265 * fd.io coding-style-patch-verification: ON
268 * eval: (c-set-style "gnu")