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/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>
30 #include "ioam_export.h"
32 /* define message IDs */
33 #include <ioam/export/ioam_export_msg_enum.h>
35 /* define message structures */
37 #include <ioam/export/ioam_export_all_api_h.h>
40 /* define generated endian-swappers */
42 #include <ioam/export/ioam_export_all_api_h.h>
45 /* instantiate all the print functions we know about */
46 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
48 #include <ioam/export/ioam_export_all_api_h.h>
51 /* Get the API version number */
52 #define vl_api_version(n,v) static u32 api_version=(v);
53 #include <ioam/export/ioam_export_all_api_h.h>
57 * A handy macro to set up a message reply.
58 * Assumes that the following variables are available:
59 * mp - pointer to request message
60 * rmp - pointer to reply message type
64 #define REPLY_MACRO(t) \
66 unix_shared_memory_queue_t * q = \
67 vl_api_client_index_to_input_queue (mp->client_index); \
71 rmp = vl_msg_api_alloc (sizeof (*rmp)); \
72 rmp->_vl_msg_id = ntohs((t)+sm->msg_id_base); \
73 rmp->context = mp->context; \
74 rmp->retval = ntohl(rv); \
76 vl_msg_api_send_shmem (q, (u8 *)&rmp); \
80 /* List of message types that this plugin understands */
82 #define foreach_ioam_export_plugin_api_msg \
83 _(IOAM_EXPORT_IP6_ENABLE_DISABLE, ioam_export_ip6_enable_disable)
86 * This routine exists to convince the vlib plugin framework that
87 * we haven't accidentally copied a random .dll into the plugin directory.
89 * Also collects global variable pointers passed from the vpp engine
93 vlib_plugin_register (vlib_main_t * vm, vnet_plugin_handoff_t * h,
96 ioam_export_main_t *em = &ioam_export_main;
97 clib_error_t *error = 0;
100 em->vnet_main = h->vnet_main;
101 em->ethernet_main = h->ethernet_main;
106 /* Action function shared between message handler and debug CLI */
109 ioam_export_ip6_enable_disable (ioam_export_main_t * em,
111 ip4_address_t * collector_address,
112 ip4_address_t * src_address)
114 vlib_main_t *vm = em->vlib_main;
118 if (1 == ioam_export_header_create (collector_address, src_address))
120 ioam_export_thread_buffer_init (vm);
121 ip6_hbh_set_next_override (em->my_hbh_slot);
122 /* Turn on the export buffer check process */
123 vlib_process_signal_event (vm, em->export_process_node_index, 1, 0);
133 ip6_hbh_set_next_override (IP6_LOOKUP_NEXT_POP_HOP_BY_HOP);
134 ioam_export_header_cleanup (collector_address, src_address);
135 ioam_export_thread_buffer_free ();
136 /* Turn off the export buffer check process */
137 vlib_process_signal_event (vm, em->export_process_node_index, 2, 0);
144 /* API message handler */
145 static void vl_api_ioam_export_ip6_enable_disable_t_handler
146 (vl_api_ioam_export_ip6_enable_disable_t * mp)
148 vl_api_ioam_export_ip6_enable_disable_reply_t *rmp;
149 ioam_export_main_t *sm = &ioam_export_main;
152 rv = ioam_export_ip6_enable_disable (sm, (int) (mp->is_disable),
153 (ip4_address_t *) mp->
155 (ip4_address_t *) mp->src_address);
157 REPLY_MACRO (VL_API_IOAM_EXPORT_IP6_ENABLE_DISABLE_REPLY);
160 /* Set up the API message handling tables */
161 static clib_error_t *
162 ioam_export_plugin_api_hookup (vlib_main_t * vm)
164 ioam_export_main_t *sm = &ioam_export_main;
166 vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
168 vl_api_##n##_t_handler, \
170 vl_api_##n##_t_endian, \
171 vl_api_##n##_t_print, \
172 sizeof(vl_api_##n##_t), 1);
173 foreach_ioam_export_plugin_api_msg;
179 static clib_error_t *
180 set_ioam_export_ipfix_command_fn (vlib_main_t * vm,
181 unformat_input_t * input,
182 vlib_cli_command_t * cmd)
184 ioam_export_main_t *em = &ioam_export_main;
185 ip4_address_t collector, src;
188 collector.as_u32 = 0;
191 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
193 if (unformat (input, "collector %U", unformat_ip4_address, &collector))
195 else if (unformat (input, "src %U", unformat_ip4_address, &src))
197 else if (unformat (input, "disable"))
203 if (collector.as_u32 == 0)
204 return clib_error_return (0, "collector address required");
207 return clib_error_return (0, "src address required");
209 em->ipfix_collector.as_u32 = collector.as_u32;
210 em->src_address.as_u32 = src.as_u32;
212 vlib_cli_output (vm, "Collector %U, src address %U",
213 format_ip4_address, &em->ipfix_collector,
214 format_ip4_address, &em->src_address);
216 /* Turn on the export timer process */
217 // vlib_process_signal_event (vm, flow_report_process_node.index,
219 ioam_export_ip6_enable_disable (em, is_disable, &collector, &src);
224 VLIB_CLI_COMMAND (set_ipfix_command, static) =
226 .path = "set ioam export ipfix",.short_help =
227 "set ioam export ipfix collector <ip4-address> src <ip4-address>",.
228 function = set_ioam_export_ipfix_command_fn,};
231 static clib_error_t *
232 ioam_export_init (vlib_main_t * vm)
234 ioam_export_main_t *em = &ioam_export_main;
235 clib_error_t *error = 0;
237 u32 node_index = export_node.index;
238 vlib_node_t *ip6_hbyh_node = NULL;
240 name = format (0, "ioam_export_%08x%c", api_version, 0);
242 /* Ask for a correctly-sized block of API message decode slots */
243 em->msg_id_base = vl_msg_api_get_msg_ids
244 ((char *) name, VL_MSG_FIRST_AVAILABLE);
245 em->unix_time_0 = (u32) time (0); /* Store starting time */
246 em->vlib_time_0 = vlib_time_now (vm);
248 error = ioam_export_plugin_api_hookup (vm);
250 /* Hook this export node to ip6-hop-by-hop */
251 ip6_hbyh_node = vlib_get_node_by_name (vm, (u8 *) "ip6-hop-by-hop");
252 em->my_hbh_slot = vlib_node_add_next (vm, ip6_hbyh_node->index, node_index);
258 VLIB_INIT_FUNCTION (ioam_export_init);