1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/*
* Copyright (c) 2016 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.
*/
/*
*------------------------------------------------------------------
* vxlan_gpe_ioam_export.c - ioam export API / debug CLI handling
*------------------------------------------------------------------
*/
#include <vnet/vnet.h>
#include <vnet/plugin/plugin.h>
#include <ioam/export-common/ioam_export.h>
#include <vnet/vxlan-gpe/vxlan_gpe.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <vnet/format_fns.h>
#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
/* define message IDs */
#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api_enum.h>
#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api_types.h>
#define REPLY_MSG_ID_BASE sm->msg_id_base
#include <vlibapi/api_helper_macros.h>
ioam_export_main_t vxlan_gpe_ioam_export_main;
extern vlib_node_registration_t vxlan_export_node;
extern void vxlan_gpe_set_next_override (uword next);
/* Action function shared between message handler and debug CLI */
int
vxlan_gpe_ioam_export_enable_disable (ioam_export_main_t * em,
u8 is_disable,
ip4_address_t * collector_address,
ip4_address_t * src_address)
{
vlib_main_t *vm = em->vlib_main;
u32 node_index = vxlan_export_node.index;
vlib_node_t *vxlan_gpe_decap_ioam_node = NULL;
if (is_disable == 0)
{
if (em->my_hbh_slot == ~0)
{
/* Hook this export node to vxlan-gpe-decap-ioam-v4 */
vxlan_gpe_decap_ioam_node =
vlib_get_node_by_name (vm, (u8 *) "vxlan-gpe-decap-ioam-v4");
if (!vxlan_gpe_decap_ioam_node)
{
/* node does not exist give up */
return (-1);
}
em->my_hbh_slot =
vlib_node_add_next (vm, vxlan_gpe_decap_ioam_node->index,
node_index);
}
if (1 == ioam_export_header_create (em, collector_address, src_address))
{
ioam_export_thread_buffer_init (em, vm);
vxlan_gpe_set_next_override (em->my_hbh_slot);
/* Turn on the export buffer check process */
vlib_process_signal_event (vm, em->export_process_node_index, 1, 0);
}
else
{
return (-2);
}
}
else
{
vxlan_gpe_set_next_override (VXLAN_GPE_DECAP_IOAM_V4_NEXT_POP);
ioam_export_header_cleanup (em, collector_address, src_address);
ioam_export_thread_buffer_free (em);
/* Turn off the export buffer check process */
vlib_process_signal_event (vm, em->export_process_node_index, 2, 0);
}
return 0;
}
/* API message handler */
static void vl_api_vxlan_gpe_ioam_export_enable_disable_t_handler
(vl_api_vxlan_gpe_ioam_export_enable_disable_t * mp)
{
vl_api_vxlan_gpe_ioam_export_enable_disable_reply_t *rmp;
ioam_export_main_t *sm = &vxlan_gpe_ioam_export_main;
int rv;
rv = vxlan_gpe_ioam_export_enable_disable (sm, (int) (mp->is_disable),
(ip4_address_t *)
mp->collector_address,
(ip4_address_t *)
mp->src_address);
REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_EXPORT_ENABLE_DISABLE_REPLY);
} /* API message handler */
static clib_error_t *
set_vxlan_gpe_ioam_export_ipfix_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
ioam_export_main_t *em = &vxlan_gpe_ioam_export_main;
ip4_address_t collector, src;
u8 is_disable = 0;
collector.as_u32 = 0;
src.as_u32 = 0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "collector %U", unformat_ip4_address, &collector))
;
else if (unformat (input, "src %U", unformat_ip4_address, &src))
;
else if (unformat (input, "disable"))
is_disable = 1;
else
break;
}
if (collector.as_u32 == 0)
return clib_error_return (0, "collector address required");
if (src.as_u32 == 0)
return clib_error_return (0, "src address required");
em->ipfix_collector.as_u32 = collector.as_u32;
em->src_address.as_u32 = src.as_u32;
vlib_cli_output (vm, "Collector %U, src address %U",
format_ip4_address, &em->ipfix_collector,
format_ip4_address, &em->src_address);
/* Turn on the export timer process */
// vlib_process_signal_event (vm, flow_report_process_node.index,
//1, 0);
if (0 !=
vxlan_gpe_ioam_export_enable_disable (em, is_disable, &collector, &src))
{
return clib_error_return (0, "Unable to set ioam vxlan-gpe export");
}
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (set_vxlan_gpe_ioam_ipfix_command, static) =
{
.path = "set vxlan-gpe-ioam export ipfix",
.short_help = "set vxlan-gpe-ioam export ipfix collector <ip4-address> src <ip4-address>",
.function = set_vxlan_gpe_ioam_export_ipfix_command_fn,
};
/* *INDENT-ON* */
#include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api.c>
static clib_error_t *
vxlan_gpe_ioam_export_init (vlib_main_t * vm)
{
ioam_export_main_t *em = &vxlan_gpe_ioam_export_main;
em->set_id = IPFIX_VXLAN_IOAM_EXPORT_ID;
/* Ask for a correctly-sized block of API message decode slots */
em->msg_id_base = setup_message_id_table ();
em->unix_time_0 = (u32) time (0); /* Store starting time */
em->vlib_time_0 = vlib_time_now (vm);
em->my_hbh_slot = ~0;
em->vlib_main = vm;
em->vnet_main = vnet_get_main ();
ioam_export_reset_next_node (em);
return 0;
}
VLIB_INIT_FUNCTION (vxlan_gpe_ioam_export_init);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
