2 // Copyright (c) 2010-2017 Intel Corporation
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
8 // http://www.apache.org/licenses/LICENSE-2.0
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.
20 #include <rte_sched.h>
21 #include <rte_string_fns.h>
22 #include <rte_version.h>
24 #include "prox_malloc.h"
27 #include "prox_args.h"
28 #include "prox_assert.h"
33 #include "parse_utils.h"
34 #include "prox_port_cfg.h"
39 #define MAX_RTE_ARGV 64
40 #define MAX_ARG_LEN 64
48 #define STR_EQ(s1, s2) (!strcmp((s1), (s2)))
50 /* configuration files support */
51 static int get_rte_cfg(unsigned sindex, char *str, void *data);
52 static int get_global_cfg(unsigned sindex, char *str, void *data);
53 static int get_port_cfg(unsigned sindex, char *str, void *data);
54 static int get_defaults_cfg(unsigned sindex, char *str, void *data);
55 static int get_cache_set_cfg(unsigned sindex, char *str, void *data);
56 static int get_var_cfg(unsigned sindex, char *str, void *data);
57 static int get_lua_cfg(unsigned sindex, char *str, void *data);
58 static int get_core_cfg(unsigned sindex, char *str, void *data);
60 static const char *cfg_file = DEFAULT_CONFIG_FILE;
61 static struct rte_cfg rte_cfg;
62 struct prox_cache_set_cfg prox_cache_set_cfg[PROX_MAX_CACHE_SET];
64 static char format_err_str[1024];
65 static const char *err_str = "Unknown error";
67 static struct cfg_section eal_default_cfg = {
68 .name = "eal options",
69 .parser = get_rte_cfg,
76 static struct cfg_section port_cfg = {
78 .parser = get_port_cfg,
79 .data = &prox_port_cfg,
85 static struct cfg_section var_cfg = {
87 .parser = get_var_cfg,
94 static struct cfg_section cache_set_cfg = {
95 .name = "cache set #",
96 .parser = get_cache_set_cfg,
97 .data = &prox_cache_set_cfg,
103 static struct cfg_section defaults_cfg = {
105 .parser = get_defaults_cfg,
112 static struct cfg_section settings_cfg = {
114 .parser = get_global_cfg,
121 static struct cfg_section lua_cfg = {
123 .parser = get_lua_cfg,
130 static struct cfg_section core_cfg = {
132 .parser = get_core_cfg,
133 .data = lcore_cfg_init,
139 static void set_errf(const char *format, ...)
142 va_start(ap, format);
143 vsnprintf(format_err_str, sizeof(format_err_str), format, ap);
145 err_str = format_err_str;
148 /* [eal options] parser */
149 static int get_rte_cfg(__attribute__((unused))unsigned sindex, char *str, void *data)
151 struct rte_cfg *pconfig = (struct rte_cfg *)data;
153 if (str == NULL || pconfig == NULL) {
157 char *pkey = get_cfg_key(str);
159 set_errf("Missing key after option");
163 if (STR_EQ(str, "-m")) {
164 return parse_int(&pconfig->memory, pkey);
166 if (STR_EQ(str, "-n")) {
167 if (parse_int(&pconfig->force_nchannel, pkey)) {
170 if (pconfig->force_nchannel == 0) {
171 set_errf("Invalid number of memory channels");
176 if (STR_EQ(str, "-r")) {
177 if (parse_int(&pconfig->force_nrank, pkey)) {
180 if (pconfig->force_nrank == 0 || pconfig->force_nrank > 16) {
181 set_errf("Invalid number of memory ranks");
187 if (STR_EQ(str, "no-pci")) {
188 return parse_bool(&pconfig->no_pci, pkey);
190 if (STR_EQ(str, "no-hpet")) {
191 return parse_bool(&pconfig->no_hpet, pkey);
193 if (STR_EQ(str, "no-shconf")) {
194 return parse_bool(&pconfig->no_shconf, pkey);
196 if (STR_EQ(str, "no-huge")) {
197 return parse_bool(&pconfig->no_hugetlbfs, pkey);
199 if (STR_EQ(str, "no-output")) {
200 return parse_bool(&pconfig->no_output, pkey);
203 if (STR_EQ(str, "huge-dir")) {
204 if (pconfig->hugedir) {
205 free(pconfig->hugedir);
207 pconfig->hugedir = strdup(pkey);
211 if (STR_EQ(str, "eal")) {
212 char eal[MAX_STR_LEN_PROC];
217 if (parse_str(eal, pkey, sizeof(eal)))
220 strip_spaces(&pkey, 1);
222 pconfig->eal = strdup(pkey);
226 set_errf("Option '%s' is not known", str);
230 struct cfg_depr global_cfg_depr[] = {
231 {"virtualization", "This is now set automatically if needed"},
232 {"qinq_tag", "This option is deprecated"},
233 {"wait on quit", "This is now set automatically if needed"},
237 const char *get_cfg_dir(void)
239 static char dir[PATH_MAX];
240 size_t end = strlen(cfg_file) - 1;
241 while (end > 0 && cfg_file[end] != '/')
244 strncpy(dir, cfg_file, end);
248 static int get_lua_cfg(__attribute__((unused)) unsigned sindex, __attribute__((unused)) char *str, __attribute__((unused)) void *data)
252 if (NULL == getcwd(cwd, sizeof(cwd))) {
253 set_errf("Failed to get current directory while loading Lua file\n");
256 status = chdir(get_cfg_dir());
258 set_errf("Failed to change directory to '%s' while loading Lua file\n", get_cfg_dir());
262 struct lua_State *l = prox_lua();
265 strncpy(str_cpy, str, sizeof(str_cpy));
266 uint32_t len = strlen(str_cpy);
267 str_cpy[len++] = '\n';
270 status = luaL_loadstring(l, str_cpy);
272 set_errf("Lua error: '%s'\n", lua_tostring(l, -1));
277 status = lua_pcall(l, 0, LUA_MULTRET, 0);
279 set_errf("Lua error: '%s'\n", lua_tostring(l, -1));
286 set_errf("Failed to restore current directory to '%s' while loading Lua file\n", cwd);
293 /* [global] parser */
294 static int get_global_cfg(__attribute__((unused))unsigned sindex, char *str, void *data)
296 struct prox_cfg *pset = (struct prox_cfg *)data;
298 if (str == NULL || pset == NULL) {
302 char *pkey = get_cfg_key(str);
304 set_errf("Missing key after option");
308 for (uint32_t i = 0; i < RTE_DIM(global_cfg_depr); ++i) {
309 if (STR_EQ(str, global_cfg_depr[i].opt)) {
310 set_errf("Option '%s' is deprecated%s%s",
311 global_cfg_depr[i].opt, strlen(global_cfg_depr[i].info)? ": ": "", global_cfg_depr[i].info);
316 if (STR_EQ(str, "name")) {
317 return parse_str(pset->name, pkey, sizeof(pset->name));
320 if (STR_EQ(str, "start time")) {
321 return parse_int(&pset->start_time, pkey);
324 if (STR_EQ(str, "duration time")) {
325 return parse_int(&pset->duration_time, pkey);
328 if (STR_EQ(str, "shuffle")) {
329 return parse_flag(&pset->flags, DSF_SHUFFLE, pkey);
331 if (STR_EQ(str, "disable cmt")) {
332 return parse_flag(&pset->flags, DSF_DISABLE_CMT, pkey);
334 if (STR_EQ(str, "mp rings")) {
335 return parse_flag(&pset->flags, DSF_MP_RINGS, pkey);
337 if (STR_EQ(str, "enable bypass")) {
338 return parse_flag(&pset->flags, DSF_ENABLE_BYPASS, pkey);
341 if (STR_EQ(str, "cpe table map")) {
342 /* The config defined ports through 0, 1, 2 ... which
343 need to be associated with ports. This is done
344 through defining it using "cpe table map=" */
345 return parse_port_name_list((uint32_t*)pset->cpe_table_ports, NULL, PROX_MAX_PORTS, pkey);
348 if (STR_EQ(str, "pre cmd")) {
352 if (STR_EQ(str, "unique mempool per socket")) {
353 return parse_flag(&pset->flags, UNIQUE_MEMPOOL_PER_SOCKET, pkey);
356 if (STR_EQ(str, "log buffer size")) {
357 if (parse_kmg(&pset->logbuf_size, pkey)) {
360 plog_info("Logging to buffer with size = %d\n", pset->logbuf_size);
364 set_errf("Option '%s' is not known", str);
368 /* [variable] parser */
369 static int get_var_cfg(__attribute__((unused)) unsigned sindex, char *str, __attribute__((unused)) void *data)
371 return add_var(str, get_cfg_key(str), 0);
374 /* [defaults] parser */
375 static int get_defaults_cfg(__attribute__((unused)) unsigned sindex, char *str, __attribute__((unused)) void *data)
380 pkey = get_cfg_key(str);
382 set_errf("Missing key after option");
386 if (STR_EQ(str, "mempool size")) {
388 if (parse_kmg(&val, pkey)) {
392 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
393 struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
394 cur_lcore_cfg_init->id = lcore_id;
395 for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
396 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
404 if (STR_EQ(str, "qinq tag")) {
405 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
406 struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
407 cur_lcore_cfg_init->id = lcore_id;
408 for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
409 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
410 parse_int(&targ->qinq_tag, pkey);
415 if (STR_EQ(str, "memcache size")) {
417 if (parse_kmg(&val, pkey)) {
421 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
422 struct lcore_cfg *cur_lcore_cfg_init = &lcore_cfg_init[lcore_id];
423 cur_lcore_cfg_init->id = lcore_id;
424 for (uint8_t task_id = 0; task_id < MAX_TASKS_PER_CORE; ++task_id) {
425 struct task_args *targ = &cur_lcore_cfg_init->targs[task_id];
426 targ->nb_cache_mbuf = val;
432 set_errf("Option '%s' is not known", str);
436 /* [cache set] parser */
437 static int get_cache_set_cfg(unsigned sindex, char *str, void *data)
439 struct prox_cache_set_cfg *cfg = (struct prox_cache_set_cfg *)data;
441 uint8_t cur_if = sindex & ~CFG_INDEXED;
443 if (cur_if >= PROX_MAX_CACHE_SET) {
444 set_errf("Cache set ID is too high (max allowed %d)", PROX_MAX_CACHE_SET - 1 );
448 cfg = &prox_cache_set_cfg[cur_if];
450 if (str == NULL || data == NULL) {
454 char *pkey = get_cfg_key(str);
457 set_errf("Missing key after option");
461 if (STR_EQ(str, "mask")) {
463 int err = parse_int(&val, pkey);
469 plog_info("\tCache set %d has mask %x\n", cur_if, cfg->mask);
476 static int get_port_cfg(unsigned sindex, char *str, void *data)
478 struct prox_port_cfg *cfg = (struct prox_port_cfg *)data;
480 uint8_t cur_if = sindex & ~CFG_INDEXED;
482 if (cur_if >= PROX_MAX_PORTS) {
483 set_errf("Port ID is too high (max allowed %d)", PROX_MAX_PORTS - 1 );
487 cfg = &prox_port_cfg[cur_if];
489 if (str == NULL || data == NULL) {
493 char *pkey = get_cfg_key(str);
496 set_errf("Missing key after option");
500 if (STR_EQ(str, "mac")) {
501 if (STR_EQ(pkey, "hardware")) {
502 cfg->type = PROX_PORT_MAC_HW;
504 else if (STR_EQ(pkey, "random")) {
505 cfg->type = PROX_PORT_MAC_RAND;
508 cfg->type = PROX_PORT_MAC_SET;
509 if (parse_mac(&cfg->eth_addr, pkey)) {
514 else if (STR_EQ(str, "name")) {
516 strncpy(cfg->name, pkey, MAX_NAME_SIZE);
517 PROX_ASSERT(cur_if < PROX_MAX_PORTS);
518 return add_port_name(cur_if, pkey);
520 else if (STR_EQ(str, "rx desc")) {
521 return parse_int(&cfg->n_rxd, pkey);
523 else if (STR_EQ(str, "tx desc")) {
524 return parse_int(&cfg->n_txd, pkey);
526 else if (STR_EQ(str, "promiscuous")) {
528 if (parse_bool(&val, pkey)) {
531 cfg->promiscuous = val;
533 else if (STR_EQ(str, "lsc")) {
534 cfg->lsc_set_explicitely = 1;
536 if (parse_bool(&val, pkey)) {
541 else if (STR_EQ(str, "strip crc")) {
543 if (parse_bool(&val, pkey)) {
546 cfg->port_conf.rxmode.hw_strip_crc = val;
548 else if (STR_EQ(str, "rss")) {
550 if (parse_bool(&val, pkey)) {
554 cfg->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
555 cfg->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IPV4;
558 else if (STR_EQ(str, "rx_ring")) {
559 parse_str(cfg->rx_ring, pkey, sizeof(cfg->rx_ring));
561 else if (STR_EQ(str, "tx_ring")) {
562 parse_str(cfg->tx_ring, pkey, sizeof(cfg->tx_ring));
568 static enum police_action str_to_color(const char *str)
570 if (STR_EQ(str, "green"))
572 if (STR_EQ(str, "yellow"))
574 if (STR_EQ(str, "red"))
576 if (STR_EQ(str, "drop"))
581 struct cfg_depr task_cfg_depr[] = {
585 struct cfg_depr core_cfg_depr[] = {
588 {"network side", ""},
592 static int get_core_cfg(unsigned sindex, char *str, void *data)
595 struct lcore_cfg *lconf = (struct lcore_cfg *)data;
597 if (str == NULL || lconf == NULL || !(sindex & CFG_INDEXED)) {
601 pkey = get_cfg_key(str);
603 set_errf("Missing key after option");
607 uint32_t ncore = sindex & ~CFG_INDEXED;
608 if (ncore >= RTE_MAX_LCORE) {
609 set_errf("Core index too high (max allowed %d)", RTE_MAX_LCORE - 1);
613 lconf = &lconf[ncore];
615 for (uint32_t i = 0; i < RTE_DIM(core_cfg_depr); ++i) {
616 if (STR_EQ(str, core_cfg_depr[i].opt)) {
617 set_errf("Option '%s' is deprecated%s%s",
618 core_cfg_depr[i].opt, strlen(core_cfg_depr[i].info)? ": ": "", core_cfg_depr[i].info);
624 lcore_to_socket_core_ht(ncore, buff, sizeof(buff));
626 if (STR_EQ(str, "task")) {
629 if (parse_int(&val, pkey)) {
632 if (val >= MAX_TASKS_PER_CORE) {
633 set_errf("Too many tasks for core (max allowed %d)", MAX_TASKS_PER_CORE - 1);
636 if (val != lconf->n_tasks_all) {
637 set_errf("Task ID skipped or defined twice");
641 lconf->active_task = val;
643 lconf->targs[lconf->active_task].task = lconf->active_task;
645 if (lconf->n_tasks_all < lconf->active_task + 1) {
646 lconf->n_tasks_all = lconf->active_task + 1;
651 struct task_args *targ = &lconf->targs[lconf->active_task];
652 if (STR_EQ(str, "tx ports from routing table")) {
653 uint32_t vals[PROX_MAX_PORTS];
655 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
656 set_errf("tx port form route not supported mode %s", targ->task_init->mode_str);
660 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
664 for (uint8_t i = 0; i < n_if; ++i) {
665 targ->tx_port_queue[i].port = vals[i];
668 targ->runtime_flags |= TASK_ROUTING;
671 if (STR_EQ(str, "tx ports from cpe table")) {
672 uint32_t vals[PROX_MAX_PORTS];
676 char* mapping_str = strstr(pkey, " remap=");
678 if (mapping_str != NULL) {
680 mapping_str += strlen(" remap=");
681 n_remap = parse_remap(targ->mapping, mapping_str);
684 if (parse_port_name_list(vals, &ret, PROX_MAX_PORTS, pkey)) {
688 if (n_remap != -1 && ret != (uint32_t)n_remap) {
689 set_errf("Expected %d remap elements but had %d", n_remap, ret);
693 for (uint8_t i = 0; i < ret; ++i) {
694 targ->tx_port_queue[i].port = vals[i];
696 /* default mapping this case is port0 -> port0 */
698 targ->mapping[vals[i]] = i;
702 targ->nb_txports = ret;
706 if (STR_EQ(str, "tx cores from routing table")) {
707 if (!(targ->task_init->flag_features & TASK_FEATURE_ROUTING)) {
708 set_errf("tx port form route not supported mode %s", targ->task_init->mode_str);
712 struct core_task_set *cts = &targ->core_task_set[0];
714 if (parse_task_set(cts, pkey))
717 if (cts->n_elems > MAX_WT_PER_LB) {
718 set_errf("Maximum worker threads allowed is %u but have %u", MAX_WT_PER_LB, cts->n_elems);
722 targ->nb_worker_threads = cts->n_elems;
723 targ->nb_txrings = cts->n_elems;
725 if (targ->nb_txrings > MAX_RINGS_PER_TASK) {
726 set_errf("Maximum allowed TX rings is %u but have %u", MAX_RINGS_PER_TASK, targ->nb_txrings);
730 targ->runtime_flags |= TASK_ROUTING;
733 if (STR_EQ(str, "tx cores from cpe table")) {
734 struct core_task_set *core_task_set = &targ->core_task_set[0];
738 mapping_str = strstr(pkey, " remap=");
739 if (mapping_str == NULL) {
740 set_errf("There is no default mapping for tx cores from cpe table. Please specify it through remap=");
744 mapping_str += strlen(" remap=");
745 ret = parse_remap(targ->mapping, mapping_str);
750 struct core_task_set *cts = &targ->core_task_set[0];
752 if (parse_task_set(cts, pkey))
754 if (cts->n_elems > MAX_RINGS_PER_TASK) {
755 set_errf("Maximum cores to route to is %u\n", MAX_RINGS_PER_TASK);
759 targ->nb_txrings = cts->n_elems;
761 if (ret != targ->nb_txrings) {
762 set_errf("Expecting same number of remaps as cores\n", str);
768 if (STR_EQ(str, "delay ms")) {
769 if (targ->delay_us) {
770 set_errf("delay ms and delay us are mutually exclusive\n", str);
774 int rc = parse_int(&delay_ms, pkey);
775 targ->delay_us = delay_ms * 1000;
778 if (STR_EQ(str, "delay us")) {
779 if (targ->delay_us) {
780 set_errf("delay ms and delay us are mutually exclusive\n", str);
783 return parse_int(&targ->delay_us, pkey);
785 if (STR_EQ(str, "random delay us")) {
786 return parse_int(&targ->random_delay_us, pkey);
788 if (STR_EQ(str, "cpe table timeout ms")) {
789 return parse_int(&targ->cpe_table_timeout_ms, pkey);
791 if (STR_EQ(str, "ctrl path polling frequency")) {
792 int rc = parse_int(&targ->ctrl_freq, pkey);
794 if (targ->ctrl_freq == 0) {
795 set_errf("ctrl frequency must be non null.");
802 if (STR_EQ(str, "handle arp")) {
803 return parse_flag(&targ->runtime_flags, TASK_CTRL_HANDLE_ARP, pkey);
805 if (STR_EQ(str, "fast path handle arp")) {
806 return parse_flag(&targ->runtime_flags, TASK_FP_HANDLE_ARP, pkey);
808 if (STR_EQ(str, "multiple arp")) {
809 return parse_flag(&targ->flags, TASK_MULTIPLE_MAC, pkey);
812 /* Using tx port name, only a _single_ port can be assigned to a task. */
813 if (STR_EQ(str, "tx port")) {
814 if (targ->nb_txports > 0) {
815 set_errf("Only one tx port can be defined per task. Use a LB task or routing instead.");
820 uint32_t ports[PROX_MAX_PORTS];
822 if(parse_port_name_list(ports, &n_if, PROX_MAX_PORTS, pkey)) {
826 PROX_ASSERT(n_if-1 < PROX_MAX_PORTS);
828 for (uint8_t i = 0; i < n_if; ++i) {
829 targ->tx_port_queue[i].port = ports[i];
834 targ->nb_worker_threads = targ->nb_txports;
839 if (STR_EQ(str, "rx ring")) {
841 int err = parse_bool(&val, pkey);
842 if (!err && val && targ->rx_port_queue[0].port != OUT_DISCARD) {
843 set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
847 return parse_flag(&targ->flags, TASK_ARG_RX_RING, pkey);
849 if (STR_EQ(str, "private")) {
850 return parse_bool(&targ->use_src, pkey);
852 if (STR_EQ(str, "use src ip")) {
853 return parse_bool(&targ->use_src, pkey);
855 if (STR_EQ(str, "nat table")) {
856 return parse_str(targ->nat_table, pkey, sizeof(targ->nat_table));
858 if (STR_EQ(str, "rules")) {
859 return parse_str(targ->rules, pkey, sizeof(targ->rules));
861 if (STR_EQ(str, "route table")) {
862 return parse_str(targ->route_table, pkey, sizeof(targ->route_table));
864 if (STR_EQ(str, "dscp")) {
865 return parse_str(targ->dscp, pkey, sizeof(targ->dscp));
867 if (STR_EQ(str, "tun_bindings")) {
868 return parse_str(targ->tun_bindings, pkey, sizeof(targ->tun_bindings));
870 if (STR_EQ(str, "cpe table")) {
871 return parse_str(targ->cpe_table_name, pkey, sizeof(targ->cpe_table_name));
873 if (STR_EQ(str, "user table")) {
874 return parse_str(targ->user_table, pkey, sizeof(targ->user_table));
876 if (STR_EQ(str, "streams")) {
877 return parse_str(targ->streams, pkey, sizeof(targ->streams));
879 if (STR_EQ(str, "local lpm")) {
880 return parse_flag(&targ->flags, TASK_ARG_LOCAL_LPM, pkey);
882 if (STR_EQ(str, "drop")) {
883 return parse_flag(&targ->flags, TASK_ARG_DROP, pkey);
885 if (STR_EQ(str, "loop")) {
886 parse_flag(&targ->loop, 1, pkey);
887 return parse_flag(&targ->loop, 1, pkey);
889 if (STR_EQ(str, "qinq")) {
890 return parse_flag(&targ->flags, TASK_ARG_QINQ_ACL, pkey);
892 if (STR_EQ(str, "bps")) {
893 return parse_u64(&targ->rate_bps, pkey);
895 if (STR_EQ(str, "random")) {
896 return parse_str(targ->rand_str[targ->n_rand_str++], pkey, sizeof(targ->rand_str[0]));
898 if (STR_EQ(str, "rand_offset")) {
899 if (targ->n_rand_str == 0) {
900 set_errf("No random defined previously (use random=...)");
904 return parse_int(&targ->rand_offset[targ->n_rand_str - 1], pkey);
906 if (STR_EQ(str, "keep src mac")) {
907 return parse_flag(&targ->flags, DSF_KEEP_SRC_MAC, pkey);
909 if (STR_EQ(str, "pcap file")) {
910 return parse_str(targ->pcap_file, pkey, sizeof(targ->pcap_file));
912 if (STR_EQ(str, "pkt inline")) {
913 char pkey2[MAX_CFG_STRING_LEN];
914 if (parse_str(pkey2, pkey, sizeof(pkey2)) != 0) {
915 set_errf("Error while parsing pkt line, too long\n");
919 const size_t pkey_len = strlen(pkey2);
922 for (size_t i = 0; i < pkey_len; ++i) {
926 if (i + 1 == pkey_len) {
927 set_errf("Incomplete byte at character %z", i);
933 if (pkey2[i] >= '0' && pkey2[i] <= '9') {
934 byte = (pkey2[i] - '0') << 4;
936 else if (pkey2[i] >= 'a' && pkey2[i] <= 'f') {
937 byte = (pkey2[i] - 'a' + 10) << 4;
939 else if (pkey2[i] >= 'A' && pkey2[i] <= 'F') {
940 byte = (pkey2[i] - 'A' + 10) << 4;
943 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i]);
947 if (pkey2[i + 1] >= '0' && pkey2[i + 1] <= '9') {
948 byte |= (pkey2[i + 1] - '0');
950 else if (pkey2[i + 1] >= 'a' && pkey2[i + 1] <= 'f') {
951 byte |= (pkey2[i + 1] - 'a' + 10);
953 else if (pkey2[i + 1] >= 'A' && pkey2[i + 1] <= 'F') {
954 byte |= (pkey2[i + 1] - 'A' + 10);
957 set_errf("Invalid character in pkt inline at byte %d (%c)", i, pkey2[i + 1]);
960 if (targ->pkt_size == sizeof(targ->pkt_inline)) {
961 set_errf("Inline packet definition can't be longer than 1518");
964 targ->pkt_inline[targ->pkt_size++] = byte;
970 if (STR_EQ(str, "accuracy limit nsec")) {
971 return parse_int(&targ->accuracy_limit_nsec, pkey);
973 if (STR_EQ(str, "latency bucket size")) {
974 return parse_int(&targ->bucket_size, pkey);
976 if (STR_EQ(str, "latency buffer size")) {
977 return parse_int(&targ->latency_buffer_size, pkey);
979 if (STR_EQ(str, "accuracy pos")) {
980 return parse_int(&targ->accur_pos, pkey);
982 if (STR_EQ(str, "signature")) {
983 return parse_int(&targ->sig, pkey);
985 if (STR_EQ(str, "signature pos")) {
986 return parse_int(&targ->sig_pos, pkey);
988 if (STR_EQ(str, "lat pos")) {
989 targ->lat_enabled = 1;
990 return parse_int(&targ->lat_pos, pkey);
992 if (STR_EQ(str, "packet id pos")) {
993 return parse_int(&targ->packet_id_pos, pkey);
995 if (STR_EQ(str, "probability")) {
997 int rc = parse_float(&probability, pkey);
998 if (probability == 0) {
999 set_errf("Probability must be != 0\n");
1001 } else if (probability > 100.0) {
1002 set_errf("Probability must be < 100\n");
1005 targ->probability = probability * 10000;
1008 if (STR_EQ(str, "concur conn")) {
1009 return parse_int(&targ->n_concur_conn, pkey);
1011 if (STR_EQ(str, "max setup rate")) {
1012 return parse_int(&targ->max_setup_rate, pkey);
1014 if (STR_EQ(str, "pkt size")) {
1015 return parse_int(&targ->pkt_size, pkey);
1017 if (STR_EQ(str, "min bulk size")) {
1018 return parse_int(&targ->min_bulk_size, pkey);
1020 if (STR_EQ(str, "max bulk size")) {
1021 return parse_int(&targ->max_bulk_size, pkey);
1023 if (STR_EQ(str, "rx port")) {
1024 if (targ->flags & TASK_ARG_RX_RING) {
1025 set_errf("Can't read both from internal ring and external port from the same task. Use multiple tasks instead.");
1028 uint32_t vals[PROX_MAX_PORTS];
1031 if (parse_port_name_list(vals, &n_if, PROX_MAX_PORTS, pkey)) {
1035 for (uint8_t i = 0; i < n_if; ++i) {
1036 PROX_ASSERT(vals[i] < PROX_MAX_PORTS);
1037 targ->rx_port_queue[i].port = vals[i];
1043 if (STR_EQ(str, "mode")) {
1044 /* Check deprecated task modes */
1046 int ret = parse_str(mode, pkey, sizeof(mode));
1050 for (uint32_t i = 0; i < RTE_DIM(task_cfg_depr); ++i) {
1051 if (STR_EQ(mode, task_cfg_depr[i].opt)) {
1052 set_errf("Task mode '%s' is deprecated%s%s",
1053 task_cfg_depr[i].opt, strlen(task_cfg_depr[i].info)? ": ": "", task_cfg_depr[i].info);
1058 /* master is a special mode that is always needed (cannot be turned off) */
1059 if (STR_EQ(mode, "master")) {
1060 prox_cfg.master = ncore;
1061 targ->mode = MASTER;
1062 if (lconf->n_tasks_all > 1 || targ->task != 0) {
1063 set_errf("Master core can only have one task\n");
1069 struct task_init* task_init = to_task_init(mode, "");
1071 targ->mode = task_init->mode;
1074 set_errf("Task mode '%s' is invalid", mode);
1078 targ->task_init = task_init;
1081 if (STR_EQ(str, "users")) {
1082 return parse_int(&targ->n_flows, pkey);
1085 if (STR_EQ(str, "mark")) {
1086 return parse_flag(&targ->runtime_flags, TASK_MARK, pkey);
1089 if (STR_EQ(str, "mark green")) {
1090 return parse_int(&targ->marking[0], pkey);
1093 if (STR_EQ(str, "mark yellow")) {
1094 return parse_int(&targ->marking[1], pkey);
1097 if (STR_EQ(str, "mark red")) {
1098 return parse_int(&targ->marking[2], pkey);
1101 if (STR_EQ(str, "tx cores")) {
1102 uint8_t dest_task = 0;
1103 /* if user did not specify, dest_port is left at default (first type) */
1104 uint8_t dest_proto = 0;
1105 uint8_t ctrl = CTRL_TYPE_DP;
1106 char *task_str = strstr(pkey, "proto=");
1108 task_str += strlen("proto=");
1110 if (STR_EQ(task_str, "ipv4")) {
1113 else if (STR_EQ(task_str, "arp")) {
1116 else if (STR_EQ(task_str, "ipv6")) {
1120 set_errf("proto needs to be either ipv4, arp or ipv6");
1126 task_str = strstr(pkey, "task=");
1132 task_str += strlen("task=");
1133 char *task_str_end = strstr(task_str, " ");
1137 if (0 == strlen(task_str)) {
1138 set_errf("Invalid task= syntax");
1142 switch (task_str[strlen(task_str) - 1]) {
1144 ctrl = CTRL_TYPE_PKT;
1147 ctrl = CTRL_TYPE_MSG;
1153 if (task_str[strlen(task_str) -1] < '0' ||
1154 task_str[strlen(task_str) -1] > '9') {
1155 set_errf("Unknown ring type %c.\n",
1156 task_str[strlen(task_str) - 1]);
1161 dest_task = atoi(task_str);
1162 if (dest_task >= MAX_TASKS_PER_CORE) {
1163 set_errf("Destination task too high (max allowed %d)", MAX_TASKS_PER_CORE - 1);
1171 struct core_task_set *cts = &targ->core_task_set[dest_proto];
1173 if (parse_task_set(cts, pkey))
1176 if (cts->n_elems > MAX_WT_PER_LB) {
1177 set_errf("Too many worker threads (max allowed %d)", MAX_WT_PER_LB - 1);
1181 targ->nb_worker_threads = cts->n_elems;
1182 targ->nb_txrings += cts->n_elems;
1186 if (STR_EQ(str, "tx crc")) {
1187 return parse_flag(&targ->runtime_flags, TASK_TX_CRC, pkey);
1189 if (STR_EQ(str, "ring size")) {
1190 return parse_int(&targ->ring_size, pkey);
1192 if (STR_EQ(str, "mempool size")) {
1193 return parse_kmg(&targ->nb_mbuf, pkey);
1196 else if (STR_EQ(str, "mbuf size")) {
1197 targ->mbuf_size_set_explicitely = 1;
1198 return parse_int(&targ->mbuf_size, pkey);
1200 if (STR_EQ(str, "memcache size")) {
1201 return parse_kmg(&targ->nb_cache_mbuf, pkey);
1204 if (STR_EQ(str, "byte offset")) {
1205 return parse_int(&targ->byte_offset, pkey);
1208 if (STR_EQ(str, "name")) {
1209 return parse_str(lconf->name, pkey, sizeof(lconf->name));
1211 /* MPLS configuration */
1212 if (STR_EQ(str, "untag mpls")) {
1213 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1216 if (STR_EQ(str, "add mpls")) {
1217 return parse_flag(&targ->runtime_flags, TASK_MPLS_TAGGING, pkey);
1220 if (STR_EQ(str, "ether type")) {
1221 return parse_int(&targ->etype, pkey);
1224 if (STR_EQ(str, "cache set")) {
1225 return parse_int(&lconf->cache_set, pkey);
1228 if (STR_EQ(str, "sub mode")) {
1229 const char* mode_str = targ->task_init->mode_str;
1230 const char *sub_mode_str = pkey;
1232 targ->task_init = to_task_init(mode_str, sub_mode_str);
1233 if (!targ->task_init) {
1234 set_errf("sub mode %s not supported for mode %s", sub_mode_str, mode_str);
1240 if (STR_EQ(str, "mempool name")) {
1241 return parse_str(targ->pool_name, pkey, sizeof(targ->pool_name));
1243 if (STR_EQ(str, "dpi engine")) {
1244 return parse_str(targ->dpi_engine_path, pkey, sizeof(targ->dpi_engine_path));
1246 if (STR_EQ(str, "dpi engine arg")) {
1247 return parse_str(targ->dpi_engine_args[targ->n_dpi_engine_args++], pkey,
1248 sizeof(targ->dpi_engine_args[0]));
1250 if (STR_EQ(str, "dst mac")) { /* destination MAC address to be used for packets */
1251 if (parse_mac(&targ->edaddr, pkey)) {
1252 if (STR_EQ(pkey, "no")) {
1253 targ->flags |= TASK_ARG_DO_NOT_SET_DST_MAC;
1256 if (STR_EQ(pkey, "packet") == 0)
1261 targ->flags |= TASK_ARG_DST_MAC_SET;
1264 if (STR_EQ(str, "src mac")) {
1265 if (parse_mac(&targ->esaddr, pkey)) {
1266 if (STR_EQ(pkey, "no")) {
1267 targ->flags |= TASK_ARG_DO_NOT_SET_SRC_MAC;
1270 else if (STR_EQ(pkey, "packet"))
1272 else if (STR_EQ(pkey, "packet")) {
1273 targ->flags |= TASK_ARG_HW_SRC_MAC;
1279 targ->flags |= TASK_ARG_SRC_MAC_SET;
1282 if (STR_EQ(str, "gateway ipv4")) { /* Gateway IP address used when generating */
1283 return parse_ip(&targ->gateway_ipv4, pkey);
1285 if (STR_EQ(str, "number of ip")) { /* Gateway IP address used when generating */
1286 return parse_int(&targ->number_gen_ip, pkey);
1288 if (STR_EQ(str, "local ipv4")) { /* source IP address to be used for packets */
1289 return parse_ip(&targ->local_ipv4, pkey);
1291 if (STR_EQ(str, "local ipv6")) { /* source IPv6 address to be used for packets */
1292 return parse_ip6(&targ->local_ipv6, pkey);
1294 if (STR_EQ(str, "number of packets"))
1295 return parse_int(&targ->n_pkts, pkey);
1296 if (STR_EQ(str, "pipes")) {
1298 int err = parse_int(&val, pkey);
1301 if (!val || !rte_is_power_of_2(val)) {
1302 set_errf("Number of pipes has to be power of 2 and not zero");
1306 targ->qos_conf.port_params.n_pipes_per_subport = val;
1309 if (STR_EQ(str, "queue size")) {
1311 int err = parse_int(&val, pkey);
1316 targ->qos_conf.port_params.qsize[0] = val;
1317 targ->qos_conf.port_params.qsize[1] = val;
1318 targ->qos_conf.port_params.qsize[2] = val;
1319 targ->qos_conf.port_params.qsize[3] = val;
1322 if (STR_EQ(str, "subport tb rate")) {
1323 return parse_int(&targ->qos_conf.subport_params[0].tb_rate, pkey);
1325 if (STR_EQ(str, "subport tb size")) {
1326 return parse_int(&targ->qos_conf.subport_params[0].tb_size, pkey);
1328 if (STR_EQ(str, "subport tc 0 rate")) {
1329 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[0], pkey);
1331 if (STR_EQ(str, "subport tc 1 rate")) {
1332 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[1], pkey);
1334 if (STR_EQ(str, "subport tc 2 rate")) {
1335 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[2], pkey);
1337 if (STR_EQ(str, "subport tc 3 rate")) {
1338 return parse_int(&targ->qos_conf.subport_params[0].tc_rate[3], pkey);
1341 if (STR_EQ(str, "subport tc rate")) {
1343 int err = parse_int(&val, pkey);
1348 targ->qos_conf.subport_params[0].tc_rate[0] = val;
1349 targ->qos_conf.subport_params[0].tc_rate[1] = val;
1350 targ->qos_conf.subport_params[0].tc_rate[2] = val;
1351 targ->qos_conf.subport_params[0].tc_rate[3] = val;
1355 if (STR_EQ(str, "subport tc period")) {
1356 return parse_int(&targ->qos_conf.subport_params[0].tc_period, pkey);
1358 if (STR_EQ(str, "pipe tb rate")) {
1359 return parse_int(&targ->qos_conf.pipe_params[0].tb_rate, pkey);
1361 if (STR_EQ(str, "pipe tb size")) {
1362 return parse_int(&targ->qos_conf.pipe_params[0].tb_size, pkey);
1364 if (STR_EQ(str, "pipe tc rate")) {
1366 int err = parse_int(&val, pkey);
1371 targ->qos_conf.pipe_params[0].tc_rate[0] = val;
1372 targ->qos_conf.pipe_params[0].tc_rate[1] = val;
1373 targ->qos_conf.pipe_params[0].tc_rate[2] = val;
1374 targ->qos_conf.pipe_params[0].tc_rate[3] = val;
1377 if (STR_EQ(str, "pipe tc 0 rate")) {
1378 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[0], pkey);
1380 if (STR_EQ(str, "pipe tc 1 rate")) {
1381 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[1], pkey);
1383 if (STR_EQ(str, "pipe tc 2 rate")) {
1384 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[2], pkey);
1386 if (STR_EQ(str, "pipe tc 3 rate")) {
1387 return parse_int(&targ->qos_conf.pipe_params[0].tc_rate[3], pkey);
1389 if (STR_EQ(str, "pipe tc period")) {
1390 return parse_int(&targ->qos_conf.pipe_params[0].tc_period, pkey);
1392 if (STR_EQ(str, "police action")) {
1393 char *in = strstr(pkey, " io=");
1395 set_errf("Need to specify io colors using io=in_color,out_color\n");
1399 in += strlen(" io=");
1401 char *out = strstr(in, ",");
1403 set_errf("Output color not specified\n");
1408 enum police_action in_color = str_to_color(in);
1409 enum police_action out_color = str_to_color(out);
1411 if (in_color == ACT_INVALID) {
1412 set_errf("Invalid input color %s. Expected green, yellow or red", in);
1415 if (out_color == ACT_INVALID) {
1416 set_errf("Invalid output color %s. Expected green, yellow or red", out);
1419 enum police_action action = str_to_color(pkey);
1420 if (action == ACT_INVALID) {
1421 set_errf("Error action %s. Expected green, yellow, red or drop", pkey);
1424 targ->police_act[in_color][out_color] = action;
1428 if (STR_EQ(str, "qinq tag")) {
1429 return parse_int(&targ->qinq_tag, pkey);
1431 if (STR_EQ(str, "cir")) {
1432 return parse_int(&targ->cir, pkey);
1434 if (STR_EQ(str, "cbs")) {
1435 return parse_int(&targ->cbs, pkey);
1437 if (STR_EQ(str, "pir")) {
1438 return parse_int(&targ->pir, pkey);
1440 if (STR_EQ(str, "pbs")) {
1441 return parse_int(&targ->pbs, pkey);
1443 if (STR_EQ(str, "ebs")) {
1444 return parse_int(&targ->ebs, pkey);
1446 uint32_t queue_id = 0;
1447 if (sscanf(str, "queue %d weight", &queue_id) == 1) {
1449 int err = parse_int(&val, pkey);
1453 targ->qos_conf.pipe_params[0].wrr_weights[queue_id] = val;
1456 if (STR_EQ(str, "classify")) {
1457 if (!(targ->task_init->flag_features & TASK_FEATURE_CLASSIFY)) {
1458 set_errf("Classify is not supported in '%s' mode", targ->task_init->mode_str);
1462 return parse_flag(&targ->runtime_flags, TASK_CLASSIFY, pkey);
1464 if (STR_EQ(str, "flow table size")) {
1465 return parse_int(&targ->flow_table_size, pkey);
1468 if (STR_EQ(str, "tbf rate")) {
1469 return parse_int(&targ->tb_rate, pkey);
1471 if (STR_EQ(str, "tbf size")) {
1472 return parse_int(&targ->tb_size, pkey);
1475 if (STR_EQ(str, "max rules")) {
1476 return parse_int(&targ->n_max_rules, pkey);
1479 if (STR_EQ(str, "tunnel hop limit")) {
1481 int err = parse_int(&val, pkey);
1485 targ->tunnel_hop_limit = val;
1489 if (STR_EQ(str, "lookup port mask")) {
1491 int err = parse_int(&val, pkey);
1495 targ->lookup_port_mask = val;
1499 set_errf("Option '%s' is not known", str);
1500 /* fail on unknown keys */
1504 static int str_is_number(const char *in)
1508 for (size_t i = 0; i < strlen(in); ++i) {
1509 if (!dot_once && in[i] == '.') {
1514 if (in[i] < '0' || in[i] > '9')
1521 /* command line parameters parsing procedure */
1522 int prox_parse_args(int argc, char **argv)
1528 /* Default settings */
1529 prox_cfg.flags |= DSF_AUTOSTART | DSF_WAIT_ON_QUIT;
1530 prox_cfg.ui = PROX_UI_CURSES;
1532 plog_info("\tCommand line:");
1533 for (i = 0; i < argc; ++i) {
1534 plog_info(" %s", argv[i]);
1538 while ((opt = getopt(argc, argv, "f:dnzpo:tkuar:emsiw:l:v:q:")) != EOF) {
1541 /* path to config file */
1544 for (size_t i = 0; i < strlen(cfg_file); ++i) {
1545 if (cfg_file[i] == '/') {
1550 strncpy(prox_cfg.name, cfg_file + offset, MAX_NAME_SIZE);
1553 plog_set_lvl(atoi(optarg));
1556 prox_cfg.log_name_pid = 0;
1557 strncpy(prox_cfg.log_name, optarg, MAX_NAME_SIZE);
1560 prox_cfg.log_name_pid = 1;
1563 prox_cfg.use_stats_logger = 1;
1566 prox_cfg.flags |= DSF_DAEMON;
1567 prox_cfg.ui = PROX_UI_NONE;
1570 prox_cfg.flags |= DSF_USE_DUMMY_CPU_TOPO;
1571 prox_cfg.flags |= DSF_CHECK_INIT;
1574 prox_cfg.flags |= DSF_USE_DUMMY_DEVICES;
1577 if (!str_is_number(optarg) || strlen(optarg) > 11)
1579 strncpy(prox_cfg.update_interval_str, optarg, sizeof(prox_cfg.update_interval_str));
1582 if (prox_cfg.flags & DSF_DAEMON)
1585 if (!strcmp(optarg, "curses")) {
1586 prox_cfg.ui = PROX_UI_CURSES;
1588 else if (!strcmp(optarg, "cli")) {
1589 prox_cfg.ui = PROX_UI_CLI;
1591 else if (!strcmp(optarg, "none")) {
1592 prox_cfg.ui = PROX_UI_NONE;
1595 plog_err("Invalid local UI '%s', local UI can be 'curses', 'cli' or 'none'.", optarg);
1600 if (luaL_loadstring(prox_lua(), optarg)) {
1601 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1605 if (lua_pcall(prox_lua(), 0, LUA_MULTRET, 0)) {
1606 set_errf("Lua error: '%s'\n", lua_tostring(prox_lua(), -1));
1612 /* autostart all cores */
1613 prox_cfg.flags |= DSF_AUTOSTART;
1616 /* don't autostart */
1617 prox_cfg.flags &= ~DSF_AUTOSTART;
1620 prox_cfg.flags |= DSF_LISTEN_TCP;
1623 prox_cfg.flags |= DSF_LISTEN_UDS;
1626 /* list supported task modes and exit */
1627 prox_cfg.flags |= DSF_LIST_TASK_MODES;
1630 /* check configuration file syntax and exit */
1631 prox_cfg.flags |= DSF_CHECK_SYNTAX;
1634 /* check initialization sequence and exit */
1635 prox_cfg.flags |= DSF_CHECK_INIT;
1640 if (strlen(tmp) >= 3 &&
1641 (tmp2 = strchr(tmp, '='))) {
1644 strncpy(tmp3 + 1, tmp, 63);
1645 plog_info("\tAdding variable: %s = %s\n", tmp3, tmp2 + 1);
1646 ret = add_var(tmp3, tmp2 + 1, 1);
1648 plog_err("\tFailed to add variable, too many variables defines\n");
1651 else if(ret == -3) {
1652 plog_err("\tFailed to add variable, already defined\n");
1659 plog_err("\tUnknown option\n");
1664 /* reset getopt lib for DPDK */
1670 static int check_cfg(void)
1673 #define RETURN_IF(cond, err) \
1679 RETURN_IF(rte_cfg.force_nchannel == 0, "\tError: number of memory channels not specified in [eal options] section\n");
1680 RETURN_IF(prox_cfg.master >= RTE_MAX_LCORE, "\tError: No master core specified (one core needs to have mode=master)\n");
1687 static int calc_tot_rxrings(void)
1689 struct lcore_cfg *slconf, *dlconf;
1690 struct task_args *starg, *dtarg;
1693 struct core_task ct;
1696 while (core_targ_next_early(&dlconf, &dtarg, 1) == 0) {
1697 dtarg->tot_rxrings = 0;
1701 while (core_targ_next_early(&slconf, &starg, 1) == 0) {
1702 for (uint8_t idx = 0; idx < MAX_PROTOCOLS; ++idx) {
1703 for (uint8_t ring_idx = 0; ring_idx < starg->core_task_set[idx].n_elems; ++ring_idx) {
1704 ct = starg->core_task_set[idx].core_task[ring_idx];
1705 if (!prox_core_active(ct.core, 0)) {
1706 set_errf("Core %u is disabled but Core %u task %u is sending to it\n",
1707 ct.core, slconf->id, starg->id);
1711 dlconf = &lcore_cfg_init[ct.core];
1713 if (ct.task >= dlconf->n_tasks_all) {
1714 set_errf("Core %u task %u not enabled\n", ct.core, ct.task);
1718 dtarg = &dlconf->targs[ct.task];
1720 /* Control rings are not relevant at this point. */
1724 if (!(dtarg->flags & TASK_ARG_RX_RING)) {
1725 set_errf("Core %u task %u is not expecting to receive through a ring\n",
1730 dtarg->tot_rxrings++;
1731 if (dtarg->tot_rxrings > MAX_RINGS_PER_TASK) {
1732 set_errf("Core %u task %u is receiving from too many tasks",
1743 static void prox_set_core_mask(void)
1745 struct lcore_cfg *lconf;
1748 for (uint8_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
1749 lconf = &lcore_cfg_init[lcore_id];
1750 if (lconf->n_tasks_all > 0 && lconf->targs[0].mode != MASTER) {
1751 prox_core_set_active(lcore_id);
1756 static int is_using_no_drop(void)
1759 struct lcore_cfg *lconf;
1760 struct task_args *targs;
1763 while(prox_core_next(&lcore_id, 1) == 0) {
1764 lconf = &lcore_cfg_init[lcore_id];
1765 for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
1766 targs = &lconf->targs[task_id];
1767 if (!(targs->flags & TASK_ARG_DROP))
1774 int prox_read_config_file(void)
1776 set_global_defaults(&prox_cfg);
1777 set_task_defaults(&prox_cfg, lcore_cfg_init);
1778 set_port_defaults();
1779 plog_info("=== Parsing configuration file '%s' ===\n", cfg_file);
1780 struct cfg_file *pcfg = cfg_open(cfg_file);
1785 struct cfg_section* config_sections[] = {
1797 for (struct cfg_section** section = config_sections; *section != NULL; ++section) {
1798 const char* name = (*section)->name;
1799 size_t len = strlen(name);
1800 plog_info("\t*** Reading [%s] section%s ***\n", name, name[len - 1] == '#'? "s": "");
1801 cfg_parse(pcfg, *section);
1803 if ((*section)->error) {
1804 plog_err("At line %u, section [%s], entry %u: '%s'\n\t%s\n"
1805 , pcfg->err_line, pcfg->err_section, pcfg->err_entry + 1, pcfg->cur_line,
1806 strlen(get_parse_err())? get_parse_err() : err_str);
1807 cfg_close(pcfg); /* cannot close before printing error, print uses internal buffer */
1814 prox_set_core_mask();
1816 if (is_using_no_drop()) {
1817 prox_cfg.flags &= ~DSF_WAIT_ON_QUIT;
1820 if (calc_tot_rxrings()) {
1821 plog_err("Error in configuration: %s\n", err_str);
1828 static void failed_rte_eal_init(__attribute__((unused))const char *prog_name)
1830 plog_err("\tError in rte_eal_init()\n");
1833 int prox_setup_rte(const char *prog_name)
1835 char *rte_argv[MAX_RTE_ARGV];
1836 char rte_arg[MAX_RTE_ARGV][MAX_ARG_LEN];
1837 char tmp[PROX_CM_STR_LEN];
1838 /* create mask of used cores */
1839 plog_info("=== Setting up RTE EAL ===\n");
1841 if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO) {
1842 plog_info("Using dummy cpu topology\n");
1843 snprintf(tmp, sizeof(tmp), "0x1");
1845 prox_core_to_hex(tmp, sizeof(tmp), 0);
1846 plog_info("\tWorker threads core mask is %s\n", tmp);
1847 prox_core_to_hex(tmp, sizeof(tmp), 1);
1848 plog_info("\tWith master core index %u, full core mask is %s\n", prox_cfg.master, tmp);
1851 /* fake command line parameters for rte_eal_init() */
1853 rte_argv[argc] = strdup(prog_name);
1854 sprintf(rte_arg[++argc], "-c%s", tmp);
1855 rte_argv[argc] = rte_arg[argc];
1856 #if RTE_VERSION >= RTE_VERSION_NUM(1,8,0,0)
1857 if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
1858 sprintf(rte_arg[++argc], "--master-lcore=%u", 0);
1860 sprintf(rte_arg[++argc], "--master-lcore=%u", prox_cfg.master);
1861 rte_argv[argc] = rte_arg[argc];
1863 /* For old DPDK versions, the master core had to be the first
1865 uint32_t first_core = -1;
1867 if (prox_core_next(&first_core, 1) == -1) {
1868 plog_err("Can't core ID of first core in use\n");
1871 if (first_core != prox_cfg.master) {
1872 plog_err("The master core needs to be the first core (master core = %u, first core = %u).\n", first_core, prox_cfg.master);
1877 if (rte_cfg.memory) {
1878 sprintf(rte_arg[++argc], "-m%u", rte_cfg.memory);
1879 rte_argv[argc] = rte_arg[argc];
1882 if (rte_cfg.force_nchannel) {
1883 sprintf(rte_arg[++argc], "-n%u", rte_cfg.force_nchannel);
1884 rte_argv[argc] = rte_arg[argc];
1887 if (rte_cfg.force_nrank) {
1888 sprintf(rte_arg[++argc], "-r%u", rte_cfg.force_nrank);
1889 rte_argv[argc] = rte_arg[argc];
1892 if (rte_cfg.no_hugetlbfs) {
1893 strcpy(rte_arg[++argc], "--no-huge");
1894 rte_argv[argc] = rte_arg[argc];
1897 if (rte_cfg.no_pci) {
1898 strcpy(rte_arg[++argc], "--no-pci");
1899 rte_argv[argc] = rte_arg[argc];
1902 if (rte_cfg.no_hpet) {
1903 strcpy(rte_arg[++argc], "--no-hpet");
1904 rte_argv[argc] = rte_arg[argc];
1907 if (rte_cfg.no_shconf) {
1908 strcpy(rte_arg[++argc], "--no-shconf");
1909 rte_argv[argc] = rte_arg[argc];
1912 if (rte_cfg.eal != NULL) {
1913 char *ptr = rte_cfg.eal;
1915 while (ptr != NULL) {
1916 while (isspace(*ptr))
1919 ptr = strchr(ptr, ' ');
1923 strcpy(rte_arg[++argc], ptr2);
1924 rte_argv[argc] = rte_arg[argc];
1928 if (rte_cfg.hugedir != NULL) {
1929 strcpy(rte_arg[++argc], "--huge-dir");
1930 rte_argv[argc] = rte_arg[argc];
1931 rte_argv[++argc] = rte_cfg.hugedir;
1934 if (rte_cfg.no_output) {
1935 rte_set_log_level(0);
1938 plog_info("\tEAL command line:");
1939 if (argc >= MAX_RTE_ARGV) {
1940 plog_err("too many arguments for EAL\n");
1944 for (int h = 0; h <= argc; ++h) {
1945 plog_info(" %s", rte_argv[h]);
1949 rte_set_application_usage_hook(failed_rte_eal_init);
1950 if (rte_eal_init(++argc, rte_argv) < 0) {
1951 plog_err("\tError in rte_eal_init()\n");
1954 plog_info("\tEAL Initialized\n");
1956 if (prox_cfg.flags & DSF_USE_DUMMY_CPU_TOPO)
1959 /* check if all active cores are in enabled in DPDK */
1960 for (uint32_t lcore_id = 0; lcore_id < RTE_MAX_LCORE; ++lcore_id) {
1961 if (lcore_id == prox_cfg.master) {
1962 if (!rte_lcore_is_enabled(lcore_id))
1965 else if (rte_lcore_is_enabled(lcore_id) != prox_core_active(lcore_id, 0)) {
1966 plog_err("\tFailed to enable lcore %u\n", lcore_id);
1969 else if (lcore_cfg_init[lcore_id].n_tasks_all != 0 && !rte_lcore_is_enabled(lcore_id)) {
1970 plog_err("\tFailed to enable lcore %u\n", lcore_id);