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01961bbd | 1 | /* |
5575908b | 2 | * Copyright (c) 2014, 2015, 2016, 2017 Nicira, Inc. |
01961bbd DDP |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
18 | #include "dpdk.h" | |
19 | ||
736ca516 | 20 | #include <stdio.h> |
01961bbd DDP |
21 | #include <sys/types.h> |
22 | #include <sys/stat.h> | |
23 | #include <getopt.h> | |
24 | ||
d7e2509e | 25 | #include <rte_errno.h> |
736ca516 | 26 | #include <rte_log.h> |
01961bbd | 27 | #include <rte_memzone.h> |
40c23a57 | 28 | #include <rte_version.h> |
01961bbd DDP |
29 | |
30 | #include "dirs.h" | |
a0cbc627 | 31 | #include "fatal-signal.h" |
01961bbd | 32 | #include "netdev-dpdk.h" |
b6cabb8f | 33 | #include "netdev-offload-provider.h" |
01961bbd DDP |
34 | #include "openvswitch/dynamic-string.h" |
35 | #include "openvswitch/vlog.h" | |
7189d54c | 36 | #include "ovs-numa.h" |
01961bbd | 37 | #include "smap.h" |
68c00e3e | 38 | #include "svec.h" |
30e834dc | 39 | #include "util.h" |
3e52fa56 | 40 | #include "vswitch-idl.h" |
01961bbd DDP |
41 | |
42 | VLOG_DEFINE_THIS_MODULE(dpdk); | |
43 | ||
736ca516 IM |
44 | static FILE *log_stream = NULL; /* Stream for DPDK log redirection */ |
45 | ||
01961bbd | 46 | static char *vhost_sock_dir = NULL; /* Location of vhost-user sockets */ |
a14d1cc8 | 47 | static bool vhost_iommu_enabled = false; /* Status of vHost IOMMU support */ |
30e834dc LB |
48 | static bool vhost_postcopy_enabled = false; /* Status of vHost POSTCOPY |
49 | * support. */ | |
3e52fa56 AC |
50 | static bool dpdk_initialized = false; /* Indicates successful initialization |
51 | * of DPDK. */ | |
43307ad0 | 52 | static bool per_port_memory = false; /* Status of per port memory support */ |
01961bbd DDP |
53 | |
54 | static int | |
6c4f08e2 | 55 | process_vhost_flags(char *flag, const char *default_val, int size, |
01961bbd DDP |
56 | const struct smap *ovs_other_config, |
57 | char **new_val) | |
58 | { | |
59 | const char *val; | |
60 | int changed = 0; | |
61 | ||
62 | val = smap_get(ovs_other_config, flag); | |
63 | ||
64 | /* Process the vhost-sock-dir flag if it is provided, otherwise resort to | |
65 | * default value. | |
66 | */ | |
67 | if (val && (strlen(val) <= size)) { | |
68 | changed = 1; | |
69 | *new_val = xstrdup(val); | |
70 | VLOG_INFO("User-provided %s in use: %s", flag, *new_val); | |
71 | } else { | |
72 | VLOG_INFO("No %s provided - defaulting to %s", flag, default_val); | |
6c4f08e2 | 73 | *new_val = xstrdup(default_val); |
01961bbd DDP |
74 | } |
75 | ||
76 | return changed; | |
77 | } | |
78 | ||
01961bbd | 79 | static bool |
68c00e3e | 80 | args_contains(const struct svec *args, const char *value) |
01961bbd | 81 | { |
68c00e3e IM |
82 | const char *arg; |
83 | size_t i; | |
84 | ||
85 | /* We can't just use 'svec_contains' because args are not sorted. */ | |
86 | SVEC_FOR_EACH (i, arg, args) { | |
87 | if (!strcmp(arg, value)) { | |
01961bbd | 88 | return true; |
68c00e3e | 89 | } |
01961bbd DDP |
90 | } |
91 | return false; | |
92 | } | |
93 | ||
68c00e3e IM |
94 | static void |
95 | construct_dpdk_options(const struct smap *ovs_other_config, struct svec *args) | |
01961bbd DDP |
96 | { |
97 | struct dpdk_options_map { | |
98 | const char *ovs_configuration; | |
99 | const char *dpdk_option; | |
100 | bool default_enabled; | |
101 | const char *default_value; | |
102 | } opts[] = { | |
8411b6cc IM |
103 | {"dpdk-lcore-mask", "-c", false, NULL}, |
104 | {"dpdk-hugepage-dir", "--huge-dir", false, NULL}, | |
105 | {"dpdk-socket-limit", "--socket-limit", false, NULL}, | |
01961bbd DDP |
106 | }; |
107 | ||
68c00e3e | 108 | int i; |
01961bbd DDP |
109 | |
110 | /*First, construct from the flat-options (non-mutex)*/ | |
111 | for (i = 0; i < ARRAY_SIZE(opts); ++i) { | |
68c00e3e IM |
112 | const char *value = smap_get(ovs_other_config, |
113 | opts[i].ovs_configuration); | |
114 | if (!value && opts[i].default_enabled) { | |
115 | value = opts[i].default_value; | |
01961bbd DDP |
116 | } |
117 | ||
68c00e3e IM |
118 | if (value) { |
119 | if (!args_contains(args, opts[i].dpdk_option)) { | |
120 | svec_add(args, opts[i].dpdk_option); | |
121 | svec_add(args, value); | |
01961bbd DDP |
122 | } else { |
123 | VLOG_WARN("Ignoring database defined option '%s' due to " | |
68c00e3e | 124 | "dpdk-extra config", opts[i].dpdk_option); |
01961bbd DDP |
125 | } |
126 | } | |
127 | } | |
01961bbd DDP |
128 | } |
129 | ||
7189d54c MR |
130 | static char * |
131 | construct_dpdk_socket_mem(void) | |
132 | { | |
7189d54c | 133 | const char *def_value = "1024"; |
9c68ca34 IM |
134 | int numa, numa_nodes = ovs_numa_get_n_numas(); |
135 | struct ds dpdk_socket_mem = DS_EMPTY_INITIALIZER; | |
7189d54c MR |
136 | |
137 | if (numa_nodes == 0 || numa_nodes == OVS_NUMA_UNSPEC) { | |
138 | numa_nodes = 1; | |
139 | } | |
7189d54c | 140 | |
9c68ca34 | 141 | ds_put_cstr(&dpdk_socket_mem, def_value); |
7189d54c | 142 | for (numa = 1; numa < numa_nodes; ++numa) { |
9c68ca34 | 143 | ds_put_format(&dpdk_socket_mem, ",%s", def_value); |
7189d54c MR |
144 | } |
145 | ||
9c68ca34 | 146 | return ds_cstr(&dpdk_socket_mem); |
7189d54c MR |
147 | } |
148 | ||
01961bbd DDP |
149 | #define MAX_DPDK_EXCL_OPTS 10 |
150 | ||
68c00e3e | 151 | static void |
01961bbd | 152 | construct_dpdk_mutex_options(const struct smap *ovs_other_config, |
68c00e3e | 153 | struct svec *args) |
01961bbd | 154 | { |
7189d54c | 155 | char *default_dpdk_socket_mem = construct_dpdk_socket_mem(); |
68c00e3e | 156 | |
01961bbd DDP |
157 | struct dpdk_exclusive_options_map { |
158 | const char *category; | |
159 | const char *ovs_dpdk_options[MAX_DPDK_EXCL_OPTS]; | |
160 | const char *eal_dpdk_options[MAX_DPDK_EXCL_OPTS]; | |
161 | const char *default_value; | |
162 | int default_option; | |
163 | } excl_opts[] = { | |
164 | {"memory type", | |
165 | {"dpdk-alloc-mem", "dpdk-socket-mem", NULL,}, | |
166 | {"-m", "--socket-mem", NULL,}, | |
7189d54c | 167 | default_dpdk_socket_mem, 1 |
01961bbd DDP |
168 | }, |
169 | }; | |
170 | ||
68c00e3e | 171 | int i; |
01961bbd DDP |
172 | for (i = 0; i < ARRAY_SIZE(excl_opts); ++i) { |
173 | int found_opts = 0, scan, found_pos = -1; | |
174 | const char *found_value; | |
175 | struct dpdk_exclusive_options_map *popt = &excl_opts[i]; | |
176 | ||
177 | for (scan = 0; scan < MAX_DPDK_EXCL_OPTS | |
178 | && popt->ovs_dpdk_options[scan]; ++scan) { | |
68c00e3e IM |
179 | const char *value = smap_get(ovs_other_config, |
180 | popt->ovs_dpdk_options[scan]); | |
181 | if (value && strlen(value)) { | |
01961bbd DDP |
182 | found_opts++; |
183 | found_pos = scan; | |
68c00e3e | 184 | found_value = value; |
01961bbd DDP |
185 | } |
186 | } | |
187 | ||
188 | if (!found_opts) { | |
189 | if (popt->default_option) { | |
190 | found_pos = popt->default_option; | |
191 | found_value = popt->default_value; | |
192 | } else { | |
193 | continue; | |
194 | } | |
195 | } | |
196 | ||
197 | if (found_opts > 1) { | |
198 | VLOG_ERR("Multiple defined options for %s. Please check your" | |
199 | " database settings and reconfigure if necessary.", | |
200 | popt->category); | |
201 | } | |
202 | ||
68c00e3e IM |
203 | if (!args_contains(args, popt->eal_dpdk_options[found_pos])) { |
204 | svec_add(args, popt->eal_dpdk_options[found_pos]); | |
205 | svec_add(args, found_value); | |
01961bbd DDP |
206 | } else { |
207 | VLOG_WARN("Ignoring database defined option '%s' due to " | |
68c00e3e | 208 | "dpdk-extra config", popt->eal_dpdk_options[found_pos]); |
01961bbd DDP |
209 | } |
210 | } | |
211 | ||
7189d54c | 212 | free(default_dpdk_socket_mem); |
01961bbd DDP |
213 | } |
214 | ||
68c00e3e IM |
215 | static void |
216 | construct_dpdk_args(const struct smap *ovs_other_config, struct svec *args) | |
01961bbd | 217 | { |
68c00e3e | 218 | const char *extra_configuration = smap_get(ovs_other_config, "dpdk-extra"); |
01961bbd | 219 | |
01961bbd | 220 | if (extra_configuration) { |
68c00e3e | 221 | svec_parse_words(args, extra_configuration); |
01961bbd DDP |
222 | } |
223 | ||
68c00e3e IM |
224 | construct_dpdk_options(ovs_other_config, args); |
225 | construct_dpdk_mutex_options(ovs_other_config, args); | |
01961bbd DDP |
226 | } |
227 | ||
736ca516 IM |
228 | static ssize_t |
229 | dpdk_log_write(void *c OVS_UNUSED, const char *buf, size_t size) | |
230 | { | |
9fd38f68 IM |
231 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(600, 600); |
232 | static struct vlog_rate_limit dbg_rl = VLOG_RATE_LIMIT_INIT(600, 600); | |
736ca516 IM |
233 | |
234 | switch (rte_log_cur_msg_loglevel()) { | |
235 | case RTE_LOG_DEBUG: | |
d0d1a76e | 236 | VLOG_DBG_RL(&dbg_rl, "%.*s", (int) size, buf); |
736ca516 IM |
237 | break; |
238 | case RTE_LOG_INFO: | |
239 | case RTE_LOG_NOTICE: | |
d0d1a76e | 240 | VLOG_INFO_RL(&rl, "%.*s", (int) size, buf); |
736ca516 IM |
241 | break; |
242 | case RTE_LOG_WARNING: | |
d0d1a76e | 243 | VLOG_WARN_RL(&rl, "%.*s", (int) size, buf); |
736ca516 IM |
244 | break; |
245 | case RTE_LOG_ERR: | |
d0d1a76e | 246 | VLOG_ERR_RL(&rl, "%.*s", (int) size, buf); |
736ca516 IM |
247 | break; |
248 | case RTE_LOG_CRIT: | |
249 | case RTE_LOG_ALERT: | |
250 | case RTE_LOG_EMERG: | |
d0d1a76e | 251 | VLOG_EMER("%.*s", (int) size, buf); |
736ca516 IM |
252 | break; |
253 | default: | |
254 | OVS_NOT_REACHED(); | |
255 | } | |
256 | ||
736ca516 IM |
257 | return size; |
258 | } | |
259 | ||
260 | static cookie_io_functions_t dpdk_log_func = { | |
261 | .write = dpdk_log_write, | |
262 | }; | |
263 | ||
d7e2509e | 264 | static bool |
01961bbd DDP |
265 | dpdk_init__(const struct smap *ovs_other_config) |
266 | { | |
68c00e3e IM |
267 | char *sock_dir_subcomponent; |
268 | char **argv = NULL; | |
01961bbd | 269 | int result; |
01961bbd DDP |
270 | bool auto_determine = true; |
271 | int err = 0; | |
15d8655b | 272 | struct ovs_numa_dump *affinity = NULL; |
68c00e3e | 273 | struct svec args = SVEC_EMPTY_INITIALIZER; |
01961bbd | 274 | |
736ca516 IM |
275 | log_stream = fopencookie(NULL, "w+", dpdk_log_func); |
276 | if (log_stream == NULL) { | |
277 | VLOG_ERR("Can't redirect DPDK log: %s.", ovs_strerror(errno)); | |
278 | } else { | |
279 | setbuf(log_stream, NULL); | |
280 | rte_openlog_stream(log_stream); | |
281 | } | |
282 | ||
6c4f08e2 | 283 | if (process_vhost_flags("vhost-sock-dir", ovs_rundir(), |
01961bbd DDP |
284 | NAME_MAX, ovs_other_config, |
285 | &sock_dir_subcomponent)) { | |
286 | struct stat s; | |
287 | if (!strstr(sock_dir_subcomponent, "..")) { | |
288 | vhost_sock_dir = xasprintf("%s/%s", ovs_rundir(), | |
289 | sock_dir_subcomponent); | |
290 | ||
291 | err = stat(vhost_sock_dir, &s); | |
292 | if (err) { | |
293 | VLOG_ERR("vhost-user sock directory '%s' does not exist.", | |
294 | vhost_sock_dir); | |
295 | } | |
296 | } else { | |
297 | vhost_sock_dir = xstrdup(ovs_rundir()); | |
298 | VLOG_ERR("vhost-user sock directory request '%s/%s' has invalid" | |
299 | "characters '..' - using %s instead.", | |
300 | ovs_rundir(), sock_dir_subcomponent, ovs_rundir()); | |
301 | } | |
302 | free(sock_dir_subcomponent); | |
303 | } else { | |
304 | vhost_sock_dir = sock_dir_subcomponent; | |
305 | } | |
306 | ||
a14d1cc8 MK |
307 | vhost_iommu_enabled = smap_get_bool(ovs_other_config, |
308 | "vhost-iommu-support", false); | |
309 | VLOG_INFO("IOMMU support for vhost-user-client %s.", | |
310 | vhost_iommu_enabled ? "enabled" : "disabled"); | |
311 | ||
30e834dc LB |
312 | vhost_postcopy_enabled = smap_get_bool(ovs_other_config, |
313 | "vhost-postcopy-support", false); | |
314 | if (vhost_postcopy_enabled && memory_locked()) { | |
315 | VLOG_WARN("vhost-postcopy-support and mlockall are not compatible."); | |
316 | vhost_postcopy_enabled = false; | |
317 | } | |
318 | VLOG_INFO("POSTCOPY support for vhost-user-client %s.", | |
319 | vhost_postcopy_enabled ? "enabled" : "disabled"); | |
320 | ||
43307ad0 IS |
321 | per_port_memory = smap_get_bool(ovs_other_config, |
322 | "per-port-memory", false); | |
323 | VLOG_INFO("Per port memory for DPDK devices %s.", | |
324 | per_port_memory ? "enabled" : "disabled"); | |
325 | ||
68c00e3e IM |
326 | svec_add(&args, ovs_get_program_name()); |
327 | construct_dpdk_args(ovs_other_config, &args); | |
01961bbd | 328 | |
8411b6cc IM |
329 | if (!args_contains(&args, "--legacy-mem") |
330 | && !args_contains(&args, "--socket-limit")) { | |
331 | const char *arg; | |
332 | size_t i; | |
333 | ||
334 | SVEC_FOR_EACH (i, arg, &args) { | |
335 | if (!strcmp(arg, "--socket-mem")) { | |
336 | break; | |
337 | } | |
338 | } | |
339 | if (i < args.n - 1) { | |
340 | svec_add(&args, "--socket-limit"); | |
341 | svec_add(&args, args.names[i + 1]); | |
342 | } | |
343 | } | |
344 | ||
68c00e3e IM |
345 | if (args_contains(&args, "-c") || args_contains(&args, "-l")) { |
346 | auto_determine = false; | |
01961bbd | 347 | } |
01961bbd DDP |
348 | |
349 | /** | |
350 | * NOTE: This is an unsophisticated mechanism for determining the DPDK | |
351 | * lcore for the DPDK Master. | |
352 | */ | |
353 | if (auto_determine) { | |
15d8655b | 354 | const struct ovs_numa_info_core *core; |
68c00e3e IM |
355 | int cpu = 0; |
356 | ||
01961bbd | 357 | /* Get the main thread affinity */ |
15d8655b IM |
358 | affinity = ovs_numa_thread_getaffinity_dump(); |
359 | if (affinity) { | |
360 | cpu = INT_MAX; | |
361 | FOR_EACH_CORE_ON_DUMP (core, affinity) { | |
362 | if (cpu > core->core_id) { | |
363 | cpu = core->core_id; | |
01961bbd DDP |
364 | } |
365 | } | |
366 | } else { | |
01961bbd | 367 | /* User did not set dpdk-lcore-mask and unable to get current |
68c00e3e | 368 | * thread affintity - default to core #0 */ |
15d8655b | 369 | VLOG_ERR("Thread getaffinity failed. Using core #0"); |
01961bbd | 370 | } |
68c00e3e IM |
371 | svec_add(&args, "-l"); |
372 | svec_add_nocopy(&args, xasprintf("%d", cpu)); | |
01961bbd DDP |
373 | } |
374 | ||
68c00e3e | 375 | svec_terminate(&args); |
01961bbd DDP |
376 | |
377 | optind = 1; | |
378 | ||
379 | if (VLOG_IS_INFO_ENABLED()) { | |
68c00e3e IM |
380 | struct ds eal_args = DS_EMPTY_INITIALIZER; |
381 | char *joined_args = svec_join(&args, " ", "."); | |
382 | ||
383 | ds_put_format(&eal_args, "EAL ARGS: %s", joined_args); | |
01961bbd DDP |
384 | VLOG_INFO("%s", ds_cstr_ro(&eal_args)); |
385 | ds_destroy(&eal_args); | |
68c00e3e | 386 | free(joined_args); |
01961bbd DDP |
387 | } |
388 | ||
68c00e3e IM |
389 | /* Copy because 'rte_eal_init' will change the argv, i.e. it will remove |
390 | * some arguments from it. '+1' to copy the terminating NULL. */ | |
391 | argv = xmemdup(args.names, (args.n + 1) * sizeof args.names[0]); | |
fe11b9e0 | 392 | |
01961bbd | 393 | /* Make sure things are initialized ... */ |
68c00e3e IM |
394 | result = rte_eal_init(args.n, argv); |
395 | ||
396 | free(argv); | |
397 | svec_destroy(&args); | |
01961bbd DDP |
398 | |
399 | /* Set the main thread affinity back to pre rte_eal_init() value */ | |
15d8655b IM |
400 | if (affinity) { |
401 | ovs_numa_thread_setaffinity_dump(affinity); | |
402 | ovs_numa_dump_destroy(affinity); | |
01961bbd DDP |
403 | } |
404 | ||
d7e2509e AC |
405 | if (result < 0) { |
406 | VLOG_EMER("Unable to initialize DPDK: %s", ovs_strerror(rte_errno)); | |
407 | return false; | |
408 | } | |
409 | ||
450ff2bc IM |
410 | if (VLOG_IS_DBG_ENABLED()) { |
411 | size_t size; | |
412 | char *response = NULL; | |
413 | FILE *stream = open_memstream(&response, &size); | |
414 | ||
415 | if (stream) { | |
416 | rte_memzone_dump(stream); | |
417 | fclose(stream); | |
418 | if (size) { | |
419 | VLOG_DBG("rte_memzone_dump:\n%s", response); | |
420 | } | |
421 | free(response); | |
422 | } else { | |
423 | VLOG_DBG("Could not dump memzone. Unable to open memstream: %s.", | |
424 | ovs_strerror(errno)); | |
425 | } | |
426 | } | |
01961bbd DDP |
427 | |
428 | /* We are called from the main thread here */ | |
429 | RTE_PER_LCORE(_lcore_id) = NON_PMD_CORE_ID; | |
430 | ||
01961bbd DDP |
431 | /* Finally, register the dpdk classes */ |
432 | netdev_dpdk_register(); | |
4f746d52 | 433 | netdev_register_flow_api_provider(&netdev_offload_dpdk); |
d7e2509e | 434 | return true; |
01961bbd DDP |
435 | } |
436 | ||
437 | void | |
438 | dpdk_init(const struct smap *ovs_other_config) | |
439 | { | |
ec2b0701 DDP |
440 | static bool enabled = false; |
441 | ||
442 | if (enabled || !ovs_other_config) { | |
443 | return; | |
444 | } | |
445 | ||
3e52fa56 AC |
446 | const char *dpdk_init_val = smap_get_def(ovs_other_config, "dpdk-init", |
447 | "false"); | |
448 | ||
6455316b IM |
449 | bool try_only = !strcasecmp(dpdk_init_val, "try"); |
450 | if (!strcasecmp(dpdk_init_val, "true") || try_only) { | |
ec2b0701 | 451 | static struct ovsthread_once once_enable = OVSTHREAD_ONCE_INITIALIZER; |
01961bbd | 452 | |
ec2b0701 | 453 | if (ovsthread_once_start(&once_enable)) { |
40c23a57 | 454 | VLOG_INFO("Using %s", rte_version()); |
ec2b0701 | 455 | VLOG_INFO("DPDK Enabled - initializing..."); |
d7e2509e AC |
456 | enabled = dpdk_init__(ovs_other_config); |
457 | if (enabled) { | |
458 | VLOG_INFO("DPDK Enabled - initialized"); | |
3e52fa56 | 459 | } else if (!try_only) { |
d7e2509e AC |
460 | ovs_abort(rte_errno, "Cannot init EAL"); |
461 | } | |
ec2b0701 | 462 | ovsthread_once_done(&once_enable); |
d7e2509e AC |
463 | } else { |
464 | VLOG_ERR_ONCE("DPDK Initialization Failed."); | |
ec2b0701 DDP |
465 | } |
466 | } else { | |
5575908b | 467 | VLOG_INFO_ONCE("DPDK Disabled - Use other_config:dpdk-init to enable"); |
01961bbd | 468 | } |
3e52fa56 | 469 | dpdk_initialized = enabled; |
01961bbd DDP |
470 | } |
471 | ||
472 | const char * | |
473 | dpdk_get_vhost_sock_dir(void) | |
474 | { | |
475 | return vhost_sock_dir; | |
476 | } | |
477 | ||
a14d1cc8 MK |
478 | bool |
479 | dpdk_vhost_iommu_enabled(void) | |
480 | { | |
481 | return vhost_iommu_enabled; | |
482 | } | |
483 | ||
30e834dc LB |
484 | bool |
485 | dpdk_vhost_postcopy_enabled(void) | |
486 | { | |
487 | return vhost_postcopy_enabled; | |
488 | } | |
489 | ||
43307ad0 IS |
490 | bool |
491 | dpdk_per_port_memory(void) | |
492 | { | |
493 | return per_port_memory; | |
494 | } | |
495 | ||
1276e3db IM |
496 | bool |
497 | dpdk_available(void) | |
498 | { | |
499 | return dpdk_initialized; | |
500 | } | |
501 | ||
01961bbd DDP |
502 | void |
503 | dpdk_set_lcore_id(unsigned cpu) | |
504 | { | |
505 | /* NON_PMD_CORE_ID is reserved for use by non pmd threads. */ | |
506 | ovs_assert(cpu != NON_PMD_CORE_ID); | |
507 | RTE_PER_LCORE(_lcore_id) = cpu; | |
508 | } | |
40c23a57 MC |
509 | |
510 | void | |
511 | print_dpdk_version(void) | |
512 | { | |
513 | puts(rte_version()); | |
514 | } | |
3e52fa56 AC |
515 | |
516 | void | |
517 | dpdk_status(const struct ovsrec_open_vswitch *cfg) | |
518 | { | |
519 | if (cfg) { | |
520 | ovsrec_open_vswitch_set_dpdk_initialized(cfg, dpdk_initialized); | |
521 | ovsrec_open_vswitch_set_dpdk_version(cfg, rte_version()); | |
522 | } | |
523 | } |