FD.io VPP  v18.01.2-1-g9b554f3
Vector Packet Processing
vxlan_gpe_ioam_export.c
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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>
25 
26 #include <vlibapi/api.h>
27 #include <vlibmemory/api.h>
28 
30 
31 /* define message IDs */
33 
34 /* define message structures */
35 #define vl_typedefs
37 #undef vl_typedefs
38 
39 /* define generated endian-swappers */
40 #define vl_endianfun
42 #undef vl_endianfun
43 
44 /* instantiate all the print functions we know about */
45 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
46 #define vl_printfun
48 #undef vl_printfun
49 
50 /* Get the API version number */
51 #define vl_api_version(n,v) static u32 api_version=(v);
53 #undef vl_api_version
54 
55 #define REPLY_MSG_ID_BASE sm->msg_id_base
57 
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)
61 
64 
65 extern void vxlan_gpe_set_next_override (uword next);
66 /* Action function shared between message handler and debug CLI */
67 int
69  u8 is_disable,
70  ip4_address_t * collector_address,
71  ip4_address_t * src_address)
72 {
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;
76 
77  if (is_disable == 0)
78  {
79  if (em->my_hbh_slot == ~0)
80  {
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)
85  {
86  /* node does not exist give up */
87  return (-1);
88  }
89  em->my_hbh_slot =
90  vlib_node_add_next (vm, vxlan_gpe_decap_ioam_node->index,
91  node_index);
92  }
93  if (1 == ioam_export_header_create (em, collector_address, src_address))
94  {
97  /* Turn on the export buffer check process */
99 
100  }
101  else
102  {
103  return (-2);
104  }
105  }
106  else
107  {
109  ioam_export_header_cleanup (em, collector_address, src_address);
111  /* Turn off the export buffer check process */
113 
114  }
115 
116  return 0;
117 }
118 
119 /* API message handler */
122 {
123  vl_api_vxlan_gpe_ioam_export_enable_disable_reply_t *rmp;
125  int rv;
126 
127  rv = vxlan_gpe_ioam_export_enable_disable (sm, (int) (mp->is_disable),
128  (ip4_address_t *)
129  mp->collector_address,
130  (ip4_address_t *)
131  mp->src_address);
132 
133  REPLY_MACRO (VL_API_VXLAN_GPE_IOAM_EXPORT_ENABLE_DISABLE_REPLY);
134 } /* API message handler */
135 
136 
137 
138 /* Set up the API message handling tables */
139 static clib_error_t *
141 {
143 #define _(N,n) \
144  vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \
145  #n, \
146  vl_api_##n##_t_handler, \
147  vl_noop_handler, \
148  vl_api_##n##_t_endian, \
149  vl_api_##n##_t_print, \
150  sizeof(vl_api_##n##_t), 1);
152 #undef _
153 
154  return 0;
155 }
156 
157 #define vl_msg_name_crc_list
159 #undef vl_msg_name_crc_list
160 
161 static void
163 {
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;
167 #undef _
168 }
169 
170 
171 static clib_error_t *
173  unformat_input_t * input,
174  vlib_cli_command_t * cmd)
175 {
177  ip4_address_t collector, src;
178  u8 is_disable = 0;
179 
180  collector.as_u32 = 0;
181  src.as_u32 = 0;
182 
184  {
185  if (unformat (input, "collector %U", unformat_ip4_address, &collector))
186  ;
187  else if (unformat (input, "src %U", unformat_ip4_address, &src))
188  ;
189  else if (unformat (input, "disable"))
190  is_disable = 1;
191  else
192  break;
193  }
194 
195  if (collector.as_u32 == 0)
196  return clib_error_return (0, "collector address required");
197 
198  if (src.as_u32 == 0)
199  return clib_error_return (0, "src address required");
200 
201  em->ipfix_collector.as_u32 = collector.as_u32;
202  em->src_address.as_u32 = src.as_u32;
203 
204  vlib_cli_output (vm, "Collector %U, src address %U",
207 
208  /* Turn on the export timer process */
209  // vlib_process_signal_event (vm, flow_report_process_node.index,
210  //1, 0);
211  if (0 !=
212  vxlan_gpe_ioam_export_enable_disable (em, is_disable, &collector, &src))
213  {
214  return clib_error_return (0, "Unable to set ioam vxlan-gpe export");
215  }
216 
217  return 0;
218 }
219 
220 /* *INDENT-OFF* */
221 VLIB_CLI_COMMAND (set_vxlan_gpe_ioam_ipfix_command, static) =
222 {
223 .path = "set vxlan-gpe-ioam export ipfix",
224 .short_help = "set vxlan-gpe-ioam export ipfix collector <ip4-address> src <ip4-address>",
226 };
227 /* *INDENT-ON* */
228 
229 
230 static clib_error_t *
232 {
234  clib_error_t *error = 0;
235  u8 *name;
236 
238 
239  name = format (0, "vxlan_gpe_ioam_export_%08x%c", api_version, 0);
240 
241  /* Ask for a correctly-sized block of API message decode slots */
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);
246 
248 
249  /* Add our API messages to the global name_crc hash table */
251 
252  em->my_hbh_slot = ~0;
253  em->vlib_main = vm;
254  em->vnet_main = vnet_get_main ();
256  vec_free (name);
257 
258  return error;
259 }
260 
262 
263 
264 /*
265  * fd.io coding-style-patch-verification: ON
266  *
267  * Local Variables:
268  * eval: (c-set-style "gnu")
269  * End:
270  */
u16 vl_msg_api_get_msg_ids(const char *name, int n)
Definition: api_shared.c:872
#define foreach_vxlan_gpe_ioam_export_plugin_api_msg
static clib_error_t * vxlan_gpe_ioam_export_init(vlib_main_t *vm)
vlib_node_registration_t vxlan_export_node
(constructor) VLIB_REGISTER_NODE (vxlan_export_node)
vnet_main_t * vnet_get_main(void)
Definition: misc.c:47
static void ioam_export_reset_next_node(ioam_export_main_t *em)
Definition: ioam_export.h:97
u32 export_process_node_index
Definition: ioam_export.h:76
#define NULL
Definition: clib.h:55
u32 index
Definition: node.h:237
static f64 vlib_time_now(vlib_main_t *vm)
Definition: main.h:224
VXLAN GPE definitions.
struct _vlib_node_registration vlib_node_registration_t
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)
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:419
static int ioam_export_header_create(ioam_export_main_t *em, ip4_address_t *collector_address, ip4_address_t *src_address)
Definition: ioam_export.h:231
ip4_address_t ipfix_collector
Definition: ioam_export.h:55
static uword vlib_node_add_next(vlib_main_t *vm, uword node, uword next_node)
Definition: node_funcs.h:1108
format_function_t format_ip4_address
Definition: format.h:79
unformat_function_t unformat_ip4_address
Definition: format.h:76
#define IPFIX_VXLAN_IOAM_EXPORT_ID
Definition: ioam_export.h:203
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:111
#define clib_error_return(e, args...)
Definition: error.h:99
static void vlib_process_signal_event(vlib_main_t *vm, uword node_index, uword type_opaque, uword data)
Definition: node_funcs.h:950
struct _unformat_input_t unformat_input_t
vnet_main_t * vnet_main
Definition: ioam_export.h:71
#define REPLY_MACRO(t)
static void ioam_export_header_cleanup(ioam_export_main_t *em, ip4_address_t *collector_address, ip4_address_t *src_address)
Definition: ioam_export.h:222
static clib_error_t * vxlan_gpe_ioam_export_plugin_api_hookup(vlib_main_t *vm)
static void ioam_export_thread_buffer_free(ioam_export_main_t *em)
Definition: ioam_export.h:146
API main structure, used by both vpp and binary API clients.
Definition: api_common.h:198
vlib_main_t * vlib_main
Definition: ioam_export.h:70
api_main_t api_main
Definition: api_shared.c:35
#define UNFORMAT_END_OF_INPUT
Definition: format.h:143
vlib_main_t * vm
Definition: buffer.c:283
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:336
static void setup_message_id_table(ioam_export_main_t *sm, api_main_t *am)
ip4_address_t src_address
Definition: ioam_export.h:56
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)
vlib_node_t * vlib_get_node_by_name(vlib_main_t *vm, u8 *name)
Definition: node.c:45
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:154
void vxlan_gpe_set_next_override(uword next)
unsigned int u32
Definition: types.h:88
u64 uword
Definition: types.h:112
unsigned char u8
Definition: types.h:56
ioam_export_main_t vxlan_gpe_ioam_export_main
static int ioam_export_thread_buffer_init(ioam_export_main_t *em, vlib_main_t *vm)
Definition: ioam_export.h:168
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:680
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:972
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:169
static void vl_api_vxlan_gpe_ioam_export_enable_disable_t_handler(vl_api_vxlan_gpe_ioam_export_enable_disable_t *mp)