Line data Source code
1 : /*
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:
6 : *
7 : * http://www.apache.org/licenses/LICENSE-2.0
8 : *
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.
14 : */
15 : /*
16 : *------------------------------------------------------------------
17 : * vxlan_gpe_ioam_export.c - ioam export API / debug CLI handling
18 : *------------------------------------------------------------------
19 : */
20 :
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>
25 :
26 : #include <vlibapi/api.h>
27 : #include <vlibmemory/api.h>
28 : #include <vnet/format_fns.h>
29 : #include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam.h>
30 :
31 : /* define message IDs */
32 : #include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api_enum.h>
33 : #include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api_types.h>
34 :
35 : #define REPLY_MSG_ID_BASE sm->msg_id_base
36 : #include <vlibapi/api_helper_macros.h>
37 :
38 : ioam_export_main_t vxlan_gpe_ioam_export_main;
39 : extern vlib_node_registration_t vxlan_export_node;
40 :
41 : extern void vxlan_gpe_set_next_override (uword next);
42 : /* Action function shared between message handler and debug CLI */
43 : int
44 0 : vxlan_gpe_ioam_export_enable_disable (ioam_export_main_t * em,
45 : u8 is_disable,
46 : ip4_address_t * collector_address,
47 : ip4_address_t * src_address)
48 : {
49 0 : vlib_main_t *vm = em->vlib_main;
50 0 : u32 node_index = vxlan_export_node.index;
51 0 : vlib_node_t *vxlan_gpe_decap_ioam_node = NULL;
52 :
53 0 : if (is_disable == 0)
54 : {
55 0 : if (em->my_hbh_slot == ~0)
56 : {
57 : /* Hook this export node to vxlan-gpe-decap-ioam-v4 */
58 : vxlan_gpe_decap_ioam_node =
59 0 : vlib_get_node_by_name (vm, (u8 *) "vxlan-gpe-decap-ioam-v4");
60 0 : if (!vxlan_gpe_decap_ioam_node)
61 : {
62 : /* node does not exist give up */
63 0 : return (-1);
64 : }
65 0 : em->my_hbh_slot =
66 0 : vlib_node_add_next (vm, vxlan_gpe_decap_ioam_node->index,
67 : node_index);
68 : }
69 0 : if (1 == ioam_export_header_create (em, collector_address, src_address))
70 : {
71 0 : ioam_export_thread_buffer_init (em, vm);
72 0 : vxlan_gpe_set_next_override (em->my_hbh_slot);
73 : /* Turn on the export buffer check process */
74 0 : vlib_process_signal_event (vm, em->export_process_node_index, 1, 0);
75 :
76 : }
77 : else
78 : {
79 0 : return (-2);
80 : }
81 : }
82 : else
83 : {
84 0 : vxlan_gpe_set_next_override (VXLAN_GPE_DECAP_IOAM_V4_NEXT_POP);
85 0 : ioam_export_header_cleanup (em, collector_address, src_address);
86 0 : ioam_export_thread_buffer_free (em);
87 : /* Turn off the export buffer check process */
88 0 : vlib_process_signal_event (vm, em->export_process_node_index, 2, 0);
89 :
90 : }
91 :
92 0 : return 0;
93 : }
94 :
95 : /* API message handler */
96 0 : static void vl_api_vxlan_gpe_ioam_export_enable_disable_t_handler
97 : (vl_api_vxlan_gpe_ioam_export_enable_disable_t * mp)
98 : {
99 : vl_api_vxlan_gpe_ioam_export_enable_disable_reply_t *rmp;
100 0 : ioam_export_main_t *sm = &vxlan_gpe_ioam_export_main;
101 : int rv;
102 :
103 0 : rv = vxlan_gpe_ioam_export_enable_disable (sm, (int) (mp->is_disable),
104 : (ip4_address_t *)
105 0 : mp->collector_address,
106 : (ip4_address_t *)
107 0 : mp->src_address);
108 :
109 0 : REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_EXPORT_ENABLE_DISABLE_REPLY);
110 : } /* API message handler */
111 :
112 : static clib_error_t *
113 0 : set_vxlan_gpe_ioam_export_ipfix_command_fn (vlib_main_t * vm,
114 : unformat_input_t * input,
115 : vlib_cli_command_t * cmd)
116 : {
117 0 : ioam_export_main_t *em = &vxlan_gpe_ioam_export_main;
118 : ip4_address_t collector, src;
119 0 : u8 is_disable = 0;
120 :
121 0 : collector.as_u32 = 0;
122 0 : src.as_u32 = 0;
123 :
124 0 : while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
125 : {
126 0 : if (unformat (input, "collector %U", unformat_ip4_address, &collector))
127 : ;
128 0 : else if (unformat (input, "src %U", unformat_ip4_address, &src))
129 : ;
130 0 : else if (unformat (input, "disable"))
131 0 : is_disable = 1;
132 : else
133 0 : break;
134 : }
135 :
136 0 : if (collector.as_u32 == 0)
137 0 : return clib_error_return (0, "collector address required");
138 :
139 0 : if (src.as_u32 == 0)
140 0 : return clib_error_return (0, "src address required");
141 :
142 0 : em->ipfix_collector.as_u32 = collector.as_u32;
143 0 : em->src_address.as_u32 = src.as_u32;
144 :
145 0 : vlib_cli_output (vm, "Collector %U, src address %U",
146 : format_ip4_address, &em->ipfix_collector,
147 : format_ip4_address, &em->src_address);
148 :
149 : /* Turn on the export timer process */
150 : // vlib_process_signal_event (vm, flow_report_process_node.index,
151 : //1, 0);
152 0 : if (0 !=
153 0 : vxlan_gpe_ioam_export_enable_disable (em, is_disable, &collector, &src))
154 : {
155 0 : return clib_error_return (0, "Unable to set ioam vxlan-gpe export");
156 : }
157 :
158 0 : return 0;
159 : }
160 :
161 : /* *INDENT-OFF* */
162 176567 : VLIB_CLI_COMMAND (set_vxlan_gpe_ioam_ipfix_command, static) =
163 : {
164 : .path = "set vxlan-gpe-ioam export ipfix",
165 : .short_help = "set vxlan-gpe-ioam export ipfix collector <ip4-address> src <ip4-address>",
166 : .function = set_vxlan_gpe_ioam_export_ipfix_command_fn,
167 : };
168 : /* *INDENT-ON* */
169 :
170 : #include <ioam/export-vxlan-gpe/vxlan_gpe_ioam_export.api.c>
171 : static clib_error_t *
172 559 : vxlan_gpe_ioam_export_init (vlib_main_t * vm)
173 : {
174 559 : ioam_export_main_t *em = &vxlan_gpe_ioam_export_main;
175 :
176 559 : em->set_id = IPFIX_VXLAN_IOAM_EXPORT_ID;
177 :
178 : /* Ask for a correctly-sized block of API message decode slots */
179 559 : em->msg_id_base = setup_message_id_table ();
180 559 : em->unix_time_0 = (u32) time (0); /* Store starting time */
181 559 : em->vlib_time_0 = vlib_time_now (vm);
182 :
183 559 : em->my_hbh_slot = ~0;
184 559 : em->vlib_main = vm;
185 559 : em->vnet_main = vnet_get_main ();
186 559 : ioam_export_reset_next_node (em);
187 :
188 559 : return 0;
189 : }
190 :
191 4479 : VLIB_INIT_FUNCTION (vxlan_gpe_ioam_export_init);
192 :
193 :
194 : /*
195 : * fd.io coding-style-patch-verification: ON
196 : *
197 : * Local Variables:
198 : * eval: (c-set-style "gnu")
199 : * End:
200 : */
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