Line data Source code
1 : /*
2 : *------------------------------------------------------------------
3 : * policer_api.c - policer api
4 : *
5 : * Copyright (c) 2016 Cisco and/or its affiliates.
6 : * Licensed under the Apache License, Version 2.0 (the "License");
7 : * you may not use this file except in compliance with the License.
8 : * You may obtain a copy of the License at:
9 : *
10 : * http://www.apache.org/licenses/LICENSE-2.0
11 : *
12 : * Unless required by applicable law or agreed to in writing, software
13 : * distributed under the License is distributed on an "AS IS" BASIS,
14 : * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 : * See the License for the specific language governing permissions and
16 : * limitations under the License.
17 : *------------------------------------------------------------------
18 : */
19 :
20 : #include <vnet/vnet.h>
21 : #include <vlibmemory/api.h>
22 :
23 : #include <vnet/interface.h>
24 : #include <vnet/api_errno.h>
25 : #include <vnet/policer/policer.h>
26 :
27 : #include <vnet/format_fns.h>
28 : #include <vnet/policer/policer.api_enum.h>
29 : #include <vnet/policer/policer.api_types.h>
30 :
31 : #define REPLY_MSG_ID_BASE vnet_policer_main.msg_id_base
32 : #include <vlibapi/api_helper_macros.h>
33 :
34 : static void
35 0 : vl_api_policer_add_del_t_handler (vl_api_policer_add_del_t * mp)
36 : {
37 0 : vlib_main_t *vm = vlib_get_main ();
38 0 : vnet_policer_main_t *pm = &vnet_policer_main;
39 : vl_api_policer_add_del_reply_t *rmp;
40 0 : int rv = 0;
41 : uword *p;
42 : char name[sizeof (mp->name) + 1];
43 : qos_pol_cfg_params_st cfg;
44 : u32 policer_index;
45 :
46 0 : snprintf (name, sizeof (name), "%s", mp->name);
47 :
48 0 : if (mp->is_add)
49 : {
50 0 : clib_memset (&cfg, 0, sizeof (cfg));
51 0 : cfg.rfc = (qos_policer_type_en) mp->type;
52 0 : cfg.rnd_type = (qos_round_type_en) mp->round_type;
53 0 : cfg.rate_type = (qos_rate_type_en) mp->rate_type;
54 0 : cfg.rb.kbps.cir_kbps = ntohl (mp->cir);
55 0 : cfg.rb.kbps.eir_kbps = ntohl (mp->eir);
56 0 : cfg.rb.kbps.cb_bytes = clib_net_to_host_u64 (mp->cb);
57 0 : cfg.rb.kbps.eb_bytes = clib_net_to_host_u64 (mp->eb);
58 0 : cfg.conform_action.action_type =
59 0 : (qos_action_type_en) mp->conform_action.type;
60 0 : cfg.conform_action.dscp = mp->conform_action.dscp;
61 0 : cfg.exceed_action.action_type =
62 0 : (qos_action_type_en) mp->exceed_action.type;
63 0 : cfg.exceed_action.dscp = mp->exceed_action.dscp;
64 0 : cfg.violate_action.action_type =
65 0 : (qos_action_type_en) mp->violate_action.type;
66 0 : cfg.violate_action.dscp = mp->violate_action.dscp;
67 0 : cfg.color_aware = mp->color_aware;
68 :
69 0 : rv = policer_add (vm, (u8 *) name, &cfg, &policer_index);
70 : }
71 : else
72 : {
73 0 : p = hash_get_mem (pm->policer_index_by_name, name);
74 :
75 0 : rv = VNET_API_ERROR_NO_SUCH_ENTRY;
76 0 : if (p != NULL)
77 0 : rv = policer_del (vm, p[0]);
78 : }
79 :
80 0 : REPLY_MACRO2 (VL_API_POLICER_ADD_DEL_REPLY, ({
81 : if (rv == 0 && mp->is_add)
82 : rmp->policer_index = htonl (policer_index);
83 : else
84 : rmp->policer_index = ~0;
85 : }));
86 : }
87 :
88 : static_always_inline void
89 29 : policer_set_configuration (qos_pol_cfg_params_st *cfg,
90 : vl_api_policer_config_t *infos)
91 : {
92 29 : clib_memset (cfg, 0, sizeof (*cfg));
93 29 : cfg->rfc = (qos_policer_type_en) infos->type;
94 29 : cfg->rnd_type = (qos_round_type_en) infos->round_type;
95 29 : cfg->rate_type = (qos_rate_type_en) infos->rate_type;
96 29 : cfg->rb.kbps.cir_kbps = ntohl (infos->cir);
97 29 : cfg->rb.kbps.eir_kbps = ntohl (infos->eir);
98 29 : cfg->rb.kbps.cb_bytes = clib_net_to_host_u64 (infos->cb);
99 29 : cfg->rb.kbps.eb_bytes = clib_net_to_host_u64 (infos->eb);
100 29 : cfg->conform_action.action_type =
101 29 : (qos_action_type_en) infos->conform_action.type;
102 29 : cfg->conform_action.dscp = infos->conform_action.dscp;
103 29 : cfg->exceed_action.action_type =
104 29 : (qos_action_type_en) infos->exceed_action.type;
105 29 : cfg->exceed_action.dscp = infos->exceed_action.dscp;
106 29 : cfg->violate_action.action_type =
107 29 : (qos_action_type_en) infos->violate_action.type;
108 29 : cfg->violate_action.dscp = infos->violate_action.dscp;
109 29 : cfg->color_aware = infos->color_aware;
110 29 : }
111 :
112 : static void
113 28 : vl_api_policer_add_t_handler (vl_api_policer_add_t *mp)
114 : {
115 28 : vlib_main_t *vm = vlib_get_main ();
116 : vl_api_policer_add_reply_t *rmp;
117 28 : int rv = 0;
118 : char name[sizeof (mp->name) + 1];
119 : qos_pol_cfg_params_st cfg;
120 : u32 policer_index;
121 :
122 28 : snprintf (name, sizeof (name), "%s", mp->name);
123 :
124 28 : policer_set_configuration (&cfg, &mp->infos);
125 :
126 28 : rv = policer_add (vm, (u8 *) name, &cfg, &policer_index);
127 :
128 28 : REPLY_MACRO2 (VL_API_POLICER_ADD_REPLY, ({
129 : if (rv == 0)
130 : rmp->policer_index = htonl (policer_index);
131 : else
132 : rmp->policer_index = ~0;
133 : }));
134 : }
135 :
136 : static void
137 28 : vl_api_policer_del_t_handler (vl_api_policer_del_t *mp)
138 : {
139 28 : vlib_main_t *vm = vlib_get_main ();
140 : vl_api_policer_del_reply_t *rmp;
141 : u32 policer_index;
142 28 : int rv = 0;
143 :
144 28 : policer_index = ntohl (mp->policer_index);
145 28 : rv = policer_del (vm, policer_index);
146 :
147 28 : REPLY_MACRO (VL_API_POLICER_DEL_REPLY);
148 : }
149 :
150 : static void
151 1 : vl_api_policer_update_t_handler (vl_api_policer_update_t *mp)
152 : {
153 1 : vlib_main_t *vm = vlib_get_main ();
154 : vl_api_policer_update_reply_t *rmp;
155 1 : int rv = 0;
156 : qos_pol_cfg_params_st cfg;
157 : u32 policer_index;
158 :
159 1 : policer_set_configuration (&cfg, &mp->infos);
160 :
161 1 : policer_index = ntohl (mp->policer_index);
162 1 : rv = policer_update (vm, policer_index, &cfg);
163 :
164 1 : REPLY_MACRO (VL_API_POLICER_UPDATE_REPLY);
165 : }
166 :
167 : static void
168 1 : vl_api_policer_reset_t_handler (vl_api_policer_reset_t *mp)
169 : {
170 1 : vlib_main_t *vm = vlib_get_main ();
171 : vl_api_policer_reset_reply_t *rmp;
172 : u32 policer_index;
173 1 : int rv = 0;
174 :
175 1 : policer_index = ntohl (mp->policer_index);
176 1 : rv = policer_reset (vm, policer_index);
177 :
178 1 : REPLY_MACRO (VL_API_POLICER_RESET_REPLY);
179 : }
180 :
181 : static void
182 0 : vl_api_policer_bind_t_handler (vl_api_policer_bind_t *mp)
183 : {
184 : vl_api_policer_bind_reply_t *rmp;
185 0 : vnet_policer_main_t *pm = &vnet_policer_main;
186 : char name[sizeof (mp->name) + 1];
187 : uword *p;
188 : u32 worker_index;
189 : u8 bind_enable;
190 : int rv;
191 :
192 0 : snprintf (name, sizeof (name), "%s", mp->name);
193 :
194 0 : worker_index = ntohl (mp->worker_index);
195 0 : bind_enable = mp->bind_enable;
196 :
197 0 : p = hash_get_mem (pm->policer_index_by_name, name);
198 :
199 0 : rv = VNET_API_ERROR_NO_SUCH_ENTRY;
200 0 : if (p != NULL)
201 0 : rv = policer_bind_worker (p[0], worker_index, bind_enable);
202 :
203 0 : REPLY_MACRO (VL_API_POLICER_BIND_REPLY);
204 : }
205 :
206 : static void
207 12 : vl_api_policer_bind_v2_t_handler (vl_api_policer_bind_v2_t *mp)
208 : {
209 : vl_api_policer_bind_v2_reply_t *rmp;
210 : u32 policer_index;
211 : u32 worker_index;
212 : u8 bind_enable;
213 : int rv;
214 :
215 12 : policer_index = ntohl (mp->policer_index);
216 12 : worker_index = ntohl (mp->worker_index);
217 12 : bind_enable = mp->bind_enable;
218 :
219 12 : rv = policer_bind_worker (policer_index, worker_index, bind_enable);
220 :
221 12 : REPLY_MACRO (VL_API_POLICER_BIND_V2_REPLY);
222 : }
223 :
224 : static void
225 0 : vl_api_policer_input_t_handler (vl_api_policer_input_t *mp)
226 : {
227 : vl_api_policer_input_reply_t *rmp;
228 0 : vnet_policer_main_t *pm = &vnet_policer_main;
229 : char name[sizeof (mp->name) + 1];
230 : uword *p;
231 : u32 sw_if_index;
232 : u8 apply;
233 : int rv;
234 :
235 0 : VALIDATE_SW_IF_INDEX (mp);
236 :
237 0 : snprintf (name, sizeof (name), "%s", mp->name);
238 :
239 0 : sw_if_index = ntohl (mp->sw_if_index);
240 0 : apply = mp->apply;
241 :
242 0 : p = hash_get_mem (pm->policer_index_by_name, name);
243 :
244 0 : rv = VNET_API_ERROR_NO_SUCH_ENTRY;
245 0 : if (p != NULL)
246 0 : rv = policer_input (p[0], sw_if_index, VLIB_RX, apply);
247 :
248 0 : BAD_SW_IF_INDEX_LABEL;
249 0 : REPLY_MACRO (VL_API_POLICER_INPUT_REPLY);
250 : }
251 :
252 : static void
253 16 : vl_api_policer_input_v2_t_handler (vl_api_policer_input_v2_t *mp)
254 : {
255 : vl_api_policer_input_v2_reply_t *rmp;
256 : u32 policer_index;
257 : u32 sw_if_index;
258 : u8 apply;
259 : int rv;
260 :
261 16 : VALIDATE_SW_IF_INDEX (mp);
262 :
263 16 : policer_index = ntohl (mp->policer_index);
264 16 : sw_if_index = ntohl (mp->sw_if_index);
265 16 : apply = mp->apply;
266 :
267 16 : rv = policer_input (policer_index, sw_if_index, VLIB_RX, apply);
268 :
269 16 : BAD_SW_IF_INDEX_LABEL;
270 16 : REPLY_MACRO (VL_API_POLICER_INPUT_REPLY);
271 : }
272 :
273 : static void
274 0 : vl_api_policer_output_t_handler (vl_api_policer_output_t *mp)
275 : {
276 : vl_api_policer_output_reply_t *rmp;
277 0 : vnet_policer_main_t *pm = &vnet_policer_main;
278 : char name[sizeof (mp->name) + 1];
279 : uword *p;
280 : u32 sw_if_index;
281 : u8 apply;
282 : int rv;
283 :
284 0 : VALIDATE_SW_IF_INDEX (mp);
285 :
286 0 : snprintf (name, sizeof (name), "%s", mp->name);
287 :
288 0 : sw_if_index = ntohl (mp->sw_if_index);
289 0 : apply = mp->apply;
290 :
291 0 : p = hash_get_mem (pm->policer_index_by_name, name);
292 :
293 0 : rv = VNET_API_ERROR_NO_SUCH_ENTRY;
294 0 : if (p != NULL)
295 0 : rv = policer_input (p[0], sw_if_index, VLIB_TX, apply);
296 :
297 0 : BAD_SW_IF_INDEX_LABEL;
298 0 : REPLY_MACRO (VL_API_POLICER_OUTPUT_REPLY);
299 : }
300 :
301 : static void
302 4 : vl_api_policer_output_v2_t_handler (vl_api_policer_output_v2_t *mp)
303 : {
304 : vl_api_policer_output_reply_t *rmp;
305 : u32 policer_index;
306 : u32 sw_if_index;
307 : u8 apply;
308 : int rv;
309 :
310 4 : VALIDATE_SW_IF_INDEX (mp);
311 :
312 4 : policer_index = ntohl (mp->policer_index);
313 4 : sw_if_index = ntohl (mp->sw_if_index);
314 4 : apply = mp->apply;
315 :
316 4 : rv = policer_input (policer_index, sw_if_index, VLIB_TX, apply);
317 :
318 4 : BAD_SW_IF_INDEX_LABEL;
319 4 : REPLY_MACRO (VL_API_POLICER_OUTPUT_REPLY);
320 : }
321 :
322 : static void
323 4 : send_policer_details (qos_pol_cfg_params_st *config, policer_t *policer,
324 : vl_api_registration_t *reg, u32 context)
325 : {
326 : vl_api_policer_details_t *mp;
327 :
328 4 : mp = vl_msg_api_alloc (sizeof (*mp));
329 4 : clib_memset (mp, 0, sizeof (*mp));
330 4 : mp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_POLICER_DETAILS);
331 4 : mp->context = context;
332 4 : mp->cir = htonl (config->rb.kbps.cir_kbps);
333 4 : mp->eir = htonl (config->rb.kbps.eir_kbps);
334 4 : mp->cb = clib_host_to_net_u64 (config->rb.kbps.cb_bytes);
335 4 : mp->eb = clib_host_to_net_u64 (config->rb.kbps.eb_bytes);
336 4 : mp->rate_type = (vl_api_sse2_qos_rate_type_t) config->rate_type;
337 4 : mp->round_type = (vl_api_sse2_qos_round_type_t) config->rnd_type;
338 4 : mp->type = (vl_api_sse2_qos_policer_type_t) config->rfc;
339 4 : mp->conform_action.type =
340 4 : (vl_api_sse2_qos_action_type_t) policer->action[POLICE_CONFORM];
341 4 : mp->conform_action.dscp = policer->mark_dscp[POLICE_CONFORM];
342 4 : mp->exceed_action.type =
343 4 : (vl_api_sse2_qos_action_type_t) policer->action[POLICE_EXCEED];
344 4 : mp->exceed_action.dscp = policer->mark_dscp[POLICE_EXCEED];
345 4 : mp->violate_action.type =
346 4 : (vl_api_sse2_qos_action_type_t) policer->action[POLICE_VIOLATE];
347 4 : mp->violate_action.dscp = policer->mark_dscp[POLICE_VIOLATE];
348 4 : mp->single_rate = policer->single_rate ? 1 : 0;
349 4 : mp->color_aware = policer->color_aware ? 1 : 0;
350 4 : mp->scale = htonl (policer->scale);
351 4 : mp->cir_tokens_per_period = htonl (policer->cir_tokens_per_period);
352 4 : mp->pir_tokens_per_period = htonl (policer->pir_tokens_per_period);
353 4 : mp->current_limit = htonl (policer->current_limit);
354 4 : mp->current_bucket = htonl (policer->current_bucket);
355 4 : mp->extended_limit = htonl (policer->extended_limit);
356 4 : mp->extended_bucket = htonl (policer->extended_bucket);
357 4 : mp->last_update_time = clib_host_to_net_u64 (policer->last_update_time);
358 :
359 4 : strncpy ((char *) mp->name, (char *) policer->name,
360 : ARRAY_LEN (mp->name) - 1);
361 :
362 4 : vl_api_send_msg (reg, (u8 *) mp);
363 4 : }
364 :
365 : static void
366 0 : vl_api_policer_dump_t_handler (vl_api_policer_dump_t * mp)
367 : {
368 : vl_api_registration_t *reg;
369 0 : vnet_policer_main_t *pm = &vnet_policer_main;
370 : uword *p, *pi;
371 : u32 pool_index, policer_index;
372 0 : u8 *match_name = 0;
373 : qos_pol_cfg_params_st *config;
374 : policer_t *policer;
375 :
376 0 : reg = vl_api_client_index_to_registration (mp->client_index);
377 0 : if (!reg)
378 0 : return;
379 :
380 0 : if (mp->match_name_valid)
381 : {
382 0 : match_name = format (0, "%s%c", mp->match_name, 0);
383 0 : vec_terminate_c_string (match_name);
384 : }
385 :
386 0 : if (mp->match_name_valid)
387 : {
388 0 : p = hash_get_mem (pm->policer_config_by_name, match_name);
389 0 : pi = hash_get_mem (pm->policer_index_by_name, match_name);
390 0 : if (0 == p || 0 == pi)
391 0 : return;
392 :
393 0 : pool_index = p[0];
394 0 : policer_index = pi[0];
395 0 : config = pool_elt_at_index (pm->configs, pool_index);
396 0 : policer = pool_elt_at_index (pm->policers, policer_index);
397 0 : send_policer_details (config, policer, reg, mp->context);
398 : }
399 : else
400 : {
401 0 : pool_foreach (policer, pm->policers)
402 : {
403 0 : p = hash_get_mem (pm->policer_config_by_name, policer->name);
404 0 : if (0 == p)
405 0 : continue;
406 :
407 0 : pool_index = p[0];
408 0 : config = pool_elt_at_index (pm->configs, pool_index);
409 0 : send_policer_details (config, policer, reg, mp->context);
410 : };
411 : }
412 : }
413 :
414 : static void
415 22 : vl_api_policer_dump_v2_t_handler (vl_api_policer_dump_v2_t *mp)
416 : {
417 : vl_api_registration_t *reg;
418 22 : vnet_policer_main_t *pm = &vnet_policer_main;
419 : qos_pol_cfg_params_st *config;
420 : u32 policer_index, pool_index;
421 : policer_t *policer;
422 : uword *p;
423 :
424 22 : reg = vl_api_client_index_to_registration (mp->client_index);
425 22 : if (!reg)
426 0 : return;
427 :
428 22 : policer_index = ntohl (mp->policer_index);
429 :
430 22 : if (~0 == policer_index)
431 : {
432 18 : pool_foreach (policer, pm->policers)
433 : {
434 0 : p = hash_get_mem (pm->policer_config_by_name, policer->name);
435 0 : pool_index = p[0];
436 0 : config = pool_elt_at_index (pm->configs, pool_index);
437 0 : send_policer_details (config, policer, reg, mp->context);
438 : };
439 : }
440 : else
441 : {
442 4 : if (pool_is_free_index (pm->policers, policer_index))
443 0 : return;
444 :
445 4 : policer = &pm->policers[policer_index];
446 8 : p = hash_get_mem (pm->policer_config_by_name, policer->name);
447 4 : pool_index = p[0];
448 4 : config = pool_elt_at_index (pm->configs, pool_index);
449 4 : send_policer_details (config, policer, reg, mp->context);
450 : }
451 : }
452 :
453 : #include <vnet/policer/policer.api.c>
454 : static clib_error_t *
455 559 : policer_api_hookup (vlib_main_t * vm)
456 : {
457 : /*
458 : * Set up the (msg_name, crc, message-id) table
459 : */
460 559 : REPLY_MSG_ID_BASE = setup_message_id_table ();
461 :
462 559 : return 0;
463 : }
464 :
465 2239 : VLIB_API_INIT_FUNCTION (policer_api_hookup);
466 :
467 : /*
468 : * fd.io coding-style-patch-verification: ON
469 : *
470 : * Local Variables:
471 : * eval: (c-set-style "gnu")
472 : * End:
473 : */
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