xref: /dpdk/app/test-pmd/parameters.c (revision 665b49c51639a10c553433bc2bcd85c7331c631e)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4 
5 #include <errno.h>
6 #include <getopt.h>
7 #include <stdarg.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <signal.h>
11 #include <string.h>
12 #include <time.h>
13 #include <fcntl.h>
14 #include <sys/types.h>
15 
16 #include <sys/queue.h>
17 #include <sys/stat.h>
18 
19 #include <stdint.h>
20 #include <unistd.h>
21 #include <inttypes.h>
22 
23 #include <rte_common.h>
24 #include <rte_byteorder.h>
25 #include <rte_log.h>
26 #include <rte_debug.h>
27 #include <rte_cycles.h>
28 #include <rte_memory.h>
29 #include <rte_launch.h>
30 #include <rte_eal.h>
31 #include <rte_per_lcore.h>
32 #include <rte_lcore.h>
33 #include <rte_branch_prediction.h>
34 #include <rte_mempool.h>
35 #include <rte_interrupts.h>
36 #include <rte_ether.h>
37 #include <rte_ethdev.h>
38 #include <rte_string_fns.h>
39 #include <rte_flow.h>
40 
41 #include "testpmd.h"
42 
43 static void
44 usage(char* progname)
45 {
46 	printf("\nUsage: %s [EAL options] -- [testpmd options]\n\n",
47 	       progname);
48 #ifdef RTE_LIB_CMDLINE
49 	printf("  --interactive: run in interactive mode.\n");
50 	printf("  --cmdline-file: execute cli commands before startup.\n");
51 #endif
52 	printf("  --auto-start: start forwarding on init "
53 	       "[always when non-interactive].\n");
54 	printf("  --help: display this message and quit.\n");
55 	printf("  --tx-first: start forwarding sending a burst first "
56 	       "(only if interactive is disabled).\n");
57 	printf("  --stats-period=PERIOD: statistics will be shown "
58 	       "every PERIOD seconds (only if interactive is disabled).\n");
59 	printf("  --display-xstats xstat_name1[,...]: comma-separated list of "
60 	       "extended statistics to show. Used with --stats-period "
61 	       "specified or interactive commands that show Rx/Tx statistics "
62 	       "(i.e. 'show port stats').\n");
63 	printf("  --num-procs=N: set the total number of multi-process instances.\n");
64 	printf("  --proc-id=id: set the id of the current process from "
65 	       "multi-process instances (0 <= id < num-procs).\n");
66 	printf("  --nb-cores=N: set the number of forwarding cores "
67 	       "(1 <= N <= %d).\n", nb_lcores);
68 	printf("  --nb-ports=N: set the number of forwarding ports "
69 	       "(1 <= N <= %d).\n", nb_ports);
70 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
71 	       "the packet forwarding test. The main lcore is reserved for "
72 	       "command line parsing only, and cannot be masked on for "
73 	       "packet forwarding.\n");
74 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
75 	       "by the packet forwarding test.\n");
76 	printf("  --portlist=PORTLIST: list of forwarding ports\n");
77 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
78 	       "RX memory buffers (mbufs).\n");
79 	printf("  --no-numa: disable NUMA-aware allocation.\n");
80 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
81 	       "specify the socket on which the memory pool "
82 	       "used by the port will be allocated.\n");
83 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
84 	       "specify the socket on which the TX/RX rings for "
85 	       "the port will be allocated "
86 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
87 	printf("  --socket-num=N: set socket from which all memory is allocated "
88 	       "in NUMA mode.\n");
89 	printf("  --mbuf-size=N,[N1[,..Nn]: set the data size of mbuf to "
90 	       "N bytes. If multiple numbers are specified the extra pools "
91 	       "will be created to receive packets based on the features "
92 	       "supported, like packet split, multi-rx-mempool.\n");
93 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
94 	       "in mbuf pools.\n");
95 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
96 	printf("  --max-lro-pkt-size=N: set the maximum LRO aggregated packet "
97 	       "size to N bytes.\n");
98 #ifdef RTE_LIB_CMDLINE
99 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
100 	       "of peer ports.\n");
101 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
102 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
103 #endif
104 #ifdef RTE_LIB_LATENCYSTATS
105 	printf("  --latencystats=N: enable latency and jitter statistics "
106 	       "monitoring on forwarding lcore id N.\n");
107 #endif
108 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
109 	printf("  --enable-scatter: enable scattered Rx.\n");
110 	printf("  --enable-lro: enable large receive offload.\n");
111 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
112 	printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
113 	printf("  --enable-hw-vlan: enable hardware vlan.\n");
114 	printf("  --enable-hw-vlan-filter: enable hardware vlan filter.\n");
115 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
116 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
117 	printf("  --enable-hw-qinq-strip: enable hardware qinq strip.\n");
118 	printf("  --enable-drop-en: enable per queue packet drop.\n");
119 	printf("  --disable-rss: disable rss.\n");
120 	printf("  --port-topology=<paired|chained|loop>: set port topology (paired "
121 	       "is default).\n");
122 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
123 	       list_pkt_forwarding_modes());
124 	printf("  --forward-mode=5tswap: set forwarding mode to "
125 			"swap L2,L3,L4 for MAC, IPv4/IPv6 and TCP/UDP only.\n");
126 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
127 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
128 	printf("  --rss-level-inner: set RSS hash level to innermost\n");
129 	printf("  --rss-level-outer: set RSS hash level to outermost\n");
130 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
131 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
132 	printf("  --txq=N: set the number of TX queues per port to N.\n");
133 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
134 	printf("  --hairpinq=N: set the number of hairpin queues per port to "
135 	       "N.\n");
136 	printf("  --burst=N: set the number of packets per burst to N.\n");
137 	printf("  --flowgen-clones=N: set the number of single packet clones to send in flowgen mode. Should be less than burst value.\n");
138 	printf("  --flowgen-flows=N: set the number of flows in flowgen mode to N (1 <= N <= INT32_MAX).\n");
139 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
140 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
141 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
142 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
143 	       "(0 <= N < value of rxd).\n");
144 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
145 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
146 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
147 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
148 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
149 	       "(0 <= N <= value of txd).\n");
150 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
151 	       "(0 <= N <= value of txd).\n");
152 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
153 	       " Used mainly with PCAP drivers.\n");
154 	printf("  --rxoffs=X[,Y]*: set RX segment offsets for split.\n");
155 	printf("  --rxpkts=X[,Y]*: set RX segment sizes to split.\n");
156 	printf("  --rxhdrs=eth[,ipv4]*: set RX segment protocol to split.\n");
157 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
158 		" or total packet length.\n");
159 	printf("  --multi-rx-mempool: enable multi-rx-mempool support\n");
160 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
161 	printf("  --tx-ip=src,dst: IP addresses in Tx-only mode\n");
162 	printf("  --tx-udp=src[,dst]: UDP ports in Tx-only mode\n");
163 	printf("  --eth-link-speed: force link speed.\n");
164 	printf("  --rxq-share=X: number of ports per shared Rx queue groups, defaults to UINT32_MAX (1 group)\n");
165 	printf("  --disable-link-check: disable check on link status when "
166 	       "starting/stopping ports.\n");
167 	printf("  --disable-device-start: do not automatically start port\n");
168 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
169 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
170 	printf("  --bitrate-stats=N: set the logical core N to perform "
171 		"bit-rate calculation.\n");
172 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|err_recovering|recovery_success|recovery_failed|all>: "
173 	       "enable print of designated event or all of them.\n");
174 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|err_recovering|recovery_success|recovery_failed||all>: "
175 	       "disable print of designated event or all of them.\n");
176 	printf("  --flow-isolate-all: "
177 	       "requests flow API isolated mode on all ports at initialization time.\n");
178 	printf("  --disable-flow-flush: disable port flow flush when stop port.\n");
179 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
180 	printf("  --rx-offloads=0xXXXXXXXX: hexadecimal bitmask of RX queue offloads\n");
181 	printf("  --hot-plug: enable hot plug for device.\n");
182 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
183 	printf("  --geneve-parsed-port=N: UPD port to parse GENEVE tunnel protocol\n");
184 #ifndef RTE_EXEC_ENV_WINDOWS
185 	printf("  --mlockall: lock all memory\n");
186 	printf("  --no-mlockall: do not lock all memory\n");
187 #endif
188 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
189 	       "    native: use regular DPDK memory to create and populate mempool\n"
190 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
191 	       "    xmem: use anonymous memory to create and populate mempool\n"
192 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
193 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
194 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
195 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
196 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
197 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
198 	printf("  --noisy-lkup-num-reads-writes=N: do N random reads and writes per packet\n");
199 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
200 	       "valid only with --mp-alloc=anon\n");
201 	printf("  --rx-mq-mode=0xX: hexadecimal bitmask of RX mq mode can be "
202 	       "enabled\n");
203 	printf("  --record-core-cycles: enable measurement of CPU cycles.\n");
204 	printf("  --record-burst-stats: enable display of RX and TX bursts.\n");
205 	printf("  --hairpin-mode=0xXX: bitmask set the hairpin port mode.\n"
206 	       "    0x10 - explicit Tx rule, 0x02 - hairpin ports paired\n"
207 	       "    0x01 - hairpin ports loop, 0x00 - hairpin port self\n");
208 }
209 
210 #ifdef RTE_LIB_CMDLINE
211 static int
212 init_peer_eth_addrs(const char *config_filename)
213 {
214 	FILE *config_file;
215 	portid_t i;
216 	char buf[50];
217 
218 	config_file = fopen(config_filename, "r");
219 	if (config_file == NULL) {
220 		perror("Failed to open eth config file\n");
221 		return -1;
222 	}
223 
224 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
225 
226 		if (fgets(buf, sizeof(buf), config_file) == NULL)
227 			break;
228 
229 		if (rte_ether_unformat_addr(buf, &peer_eth_addrs[i]) < 0) {
230 			fprintf(stderr, "Bad MAC address format on line %d\n",
231 				i + 1);
232 			fclose(config_file);
233 			return -1;
234 		}
235 	}
236 	fclose(config_file);
237 	nb_peer_eth_addrs = (portid_t) i;
238 	return 0;
239 }
240 #endif
241 
242 /*
243  * Parse the coremask given as argument (hexadecimal string) and set
244  * the global configuration of forwarding cores.
245  */
246 static void
247 parse_fwd_coremask(const char *coremask)
248 {
249 	char *end;
250 	unsigned long long int cm;
251 
252 	/* parse hexadecimal string */
253 	end = NULL;
254 	cm = strtoull(coremask, &end, 16);
255 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
256 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
257 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
258 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
259 }
260 
261 /*
262  * Parse the coremask given as argument (hexadecimal string) and set
263  * the global configuration of forwarding cores.
264  */
265 static void
266 parse_fwd_portmask(const char *portmask)
267 {
268 	char *end;
269 	unsigned long long int pm;
270 
271 	/* parse hexadecimal string */
272 	end = NULL;
273 	pm = strtoull(portmask, &end, 16);
274 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
275 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
276 	else
277 		set_fwd_ports_mask((uint64_t) pm);
278 }
279 
280 static void
281 print_invalid_socket_id_error(void)
282 {
283 	unsigned int i = 0;
284 
285 	fprintf(stderr, "Invalid socket id, options are: ");
286 	for (i = 0; i < num_sockets; i++) {
287 		fprintf(stderr, "%u%s", socket_ids[i],
288 			(i == num_sockets - 1) ? "\n" : ",");
289 	}
290 }
291 
292 static int
293 parse_portnuma_config(const char *q_arg)
294 {
295 	char s[256];
296 	const char *p, *p0 = q_arg;
297 	char *end;
298 	uint8_t i, socket_id;
299 	portid_t port_id;
300 	unsigned size;
301 	enum fieldnames {
302 		FLD_PORT = 0,
303 		FLD_SOCKET,
304 		_NUM_FLD
305 	};
306 	unsigned long int_fld[_NUM_FLD];
307 	char *str_fld[_NUM_FLD];
308 
309 	/* reset from value set at definition */
310 	while ((p = strchr(p0,'(')) != NULL) {
311 		++p;
312 		if((p0 = strchr(p,')')) == NULL)
313 			return -1;
314 
315 		size = p0 - p;
316 		if(size >= sizeof(s))
317 			return -1;
318 
319 		snprintf(s, sizeof(s), "%.*s", size, p);
320 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
321 			return -1;
322 		for (i = 0; i < _NUM_FLD; i++) {
323 			errno = 0;
324 			int_fld[i] = strtoul(str_fld[i], &end, 0);
325 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
326 				return -1;
327 		}
328 		port_id = (portid_t)int_fld[FLD_PORT];
329 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
330 			port_id == (portid_t)RTE_PORT_ALL) {
331 			print_valid_ports();
332 			return -1;
333 		}
334 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
335 		if (new_socket_id(socket_id)) {
336 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
337 				print_invalid_socket_id_error();
338 				return -1;
339 			}
340 			socket_ids[num_sockets++] = socket_id;
341 		}
342 		port_numa[port_id] = socket_id;
343 	}
344 
345 	return 0;
346 }
347 
348 static int
349 parse_ringnuma_config(const char *q_arg)
350 {
351 	char s[256];
352 	const char *p, *p0 = q_arg;
353 	char *end;
354 	uint8_t i, ring_flag, socket_id;
355 	portid_t port_id;
356 	unsigned size;
357 	enum fieldnames {
358 		FLD_PORT = 0,
359 		FLD_FLAG,
360 		FLD_SOCKET,
361 		_NUM_FLD
362 	};
363 	unsigned long int_fld[_NUM_FLD];
364 	char *str_fld[_NUM_FLD];
365 	#define RX_RING_ONLY 0x1
366 	#define TX_RING_ONLY 0x2
367 	#define RXTX_RING    0x3
368 
369 	/* reset from value set at definition */
370 	while ((p = strchr(p0,'(')) != NULL) {
371 		++p;
372 		if((p0 = strchr(p,')')) == NULL)
373 			return -1;
374 
375 		size = p0 - p;
376 		if(size >= sizeof(s))
377 			return -1;
378 
379 		snprintf(s, sizeof(s), "%.*s", size, p);
380 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
381 			return -1;
382 		for (i = 0; i < _NUM_FLD; i++) {
383 			errno = 0;
384 			int_fld[i] = strtoul(str_fld[i], &end, 0);
385 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
386 				return -1;
387 		}
388 		port_id = (portid_t)int_fld[FLD_PORT];
389 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
390 			port_id == (portid_t)RTE_PORT_ALL) {
391 			print_valid_ports();
392 			return -1;
393 		}
394 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
395 		if (new_socket_id(socket_id)) {
396 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
397 				print_invalid_socket_id_error();
398 				return -1;
399 			}
400 			socket_ids[num_sockets++] = socket_id;
401 		}
402 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
403 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
404 			fprintf(stderr,
405 				"Invalid ring-flag=%d config for port =%d\n",
406 				ring_flag,port_id);
407 			return -1;
408 		}
409 
410 		switch (ring_flag & RXTX_RING) {
411 		case RX_RING_ONLY:
412 			rxring_numa[port_id] = socket_id;
413 			break;
414 		case TX_RING_ONLY:
415 			txring_numa[port_id] = socket_id;
416 			break;
417 		case RXTX_RING:
418 			rxring_numa[port_id] = socket_id;
419 			txring_numa[port_id] = socket_id;
420 			break;
421 		default:
422 			fprintf(stderr,
423 				"Invalid ring-flag=%d config for port=%d\n",
424 				ring_flag,port_id);
425 			break;
426 		}
427 	}
428 
429 	return 0;
430 }
431 
432 static int
433 parse_event_printing_config(const char *optarg, int enable)
434 {
435 	uint32_t mask = 0;
436 
437 	if (!strcmp(optarg, "unknown"))
438 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
439 	else if (!strcmp(optarg, "intr_lsc"))
440 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
441 	else if (!strcmp(optarg, "queue_state"))
442 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
443 	else if (!strcmp(optarg, "intr_reset"))
444 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
445 	else if (!strcmp(optarg, "vf_mbox"))
446 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
447 	else if (!strcmp(optarg, "ipsec"))
448 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
449 	else if (!strcmp(optarg, "macsec"))
450 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
451 	else if (!strcmp(optarg, "intr_rmv"))
452 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
453 	else if (!strcmp(optarg, "dev_probed"))
454 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
455 	else if (!strcmp(optarg, "dev_released"))
456 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
457 	else if (!strcmp(optarg, "flow_aged"))
458 		mask = UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED;
459 	else if (!strcmp(optarg, "err_recovering"))
460 		mask = UINT32_C(1) << RTE_ETH_EVENT_ERR_RECOVERING;
461 	else if (!strcmp(optarg, "recovery_success"))
462 		mask = UINT32_C(1) << RTE_ETH_EVENT_RECOVERY_SUCCESS;
463 	else if (!strcmp(optarg, "recovery_failed"))
464 		mask = UINT32_C(1) << RTE_ETH_EVENT_RECOVERY_FAILED;
465 	else if (!strcmp(optarg, "all"))
466 		mask = ~UINT32_C(0);
467 	else {
468 		fprintf(stderr, "Invalid event: %s\n", optarg);
469 		return -1;
470 	}
471 	if (enable)
472 		event_print_mask |= mask;
473 	else
474 		event_print_mask &= ~mask;
475 	return 0;
476 }
477 
478 static int
479 parse_xstats_list(const char *in_str, struct rte_eth_xstat_name **xstats,
480 		  unsigned int *xstats_num)
481 {
482 	int max_names_nb, names_nb, nonempty_names_nb;
483 	int name, nonempty_name;
484 	int stringlen;
485 	char **names;
486 	char *str;
487 	int ret;
488 	int i;
489 
490 	names = NULL;
491 	str = strdup(in_str);
492 	if (str == NULL) {
493 		ret = -ENOMEM;
494 		goto out;
495 	}
496 	stringlen = strlen(str);
497 
498 	for (i = 0, max_names_nb = 1; str[i] != '\0'; i++) {
499 		if (str[i] == ',')
500 			max_names_nb++;
501 	}
502 
503 	names = calloc(max_names_nb, sizeof(*names));
504 	if (names == NULL) {
505 		ret = -ENOMEM;
506 		goto out;
507 	}
508 
509 	names_nb = rte_strsplit(str, stringlen, names, max_names_nb, ',');
510 	if (names_nb < 0) {
511 		ret = -EINVAL;
512 		goto out;
513 	}
514 
515 	nonempty_names_nb = 0;
516 	for (i = 0; i < names_nb; i++) {
517 		if (names[i][0] == '\0')
518 			continue;
519 		nonempty_names_nb++;
520 	}
521 	*xstats = calloc(nonempty_names_nb, sizeof(**xstats));
522 	if (*xstats == NULL) {
523 		ret = -ENOMEM;
524 		goto out;
525 	}
526 
527 	for (name = nonempty_name = 0; name < names_nb; name++) {
528 		if (names[name][0] == '\0')
529 			continue;
530 		rte_strscpy((*xstats)[nonempty_name].name, names[name],
531 			    sizeof((*xstats)[nonempty_name].name));
532 		nonempty_name++;
533 	}
534 
535 	*xstats_num = nonempty_names_nb;
536 	ret = 0;
537 
538 out:
539 	free(names);
540 	free(str);
541 	return ret;
542 }
543 
544 static int
545 parse_link_speed(int n)
546 {
547 	uint32_t speed = RTE_ETH_LINK_SPEED_FIXED;
548 
549 	switch (n) {
550 	case 1000:
551 		speed |= RTE_ETH_LINK_SPEED_1G;
552 		break;
553 	case 10000:
554 		speed |= RTE_ETH_LINK_SPEED_10G;
555 		break;
556 	case 25000:
557 		speed |= RTE_ETH_LINK_SPEED_25G;
558 		break;
559 	case 40000:
560 		speed |= RTE_ETH_LINK_SPEED_40G;
561 		break;
562 	case 50000:
563 		speed |= RTE_ETH_LINK_SPEED_50G;
564 		break;
565 	case 100000:
566 		speed |= RTE_ETH_LINK_SPEED_100G;
567 		break;
568 	case 200000:
569 		speed |= RTE_ETH_LINK_SPEED_200G;
570 		break;
571 	case 100:
572 	case 10:
573 	default:
574 		fprintf(stderr, "Unsupported fixed speed\n");
575 		return 0;
576 	}
577 
578 	return speed;
579 }
580 
581 void
582 launch_args_parse(int argc, char** argv)
583 {
584 #define PARAM_PROC_ID "proc-id"
585 #define PARAM_NUM_PROCS "num-procs"
586 
587 	int n, opt;
588 	char **argvopt;
589 	int opt_idx;
590 	portid_t pid;
591 	enum { TX, RX };
592 	/* Default offloads for all ports. */
593 	uint64_t rx_offloads = rx_mode.offloads;
594 	uint64_t tx_offloads = tx_mode.offloads;
595 	struct rte_eth_dev_info dev_info;
596 	uint16_t rec_nb_pkts;
597 	int ret;
598 
599 	static struct option lgopts[] = {
600 		{ "help",			0, 0, 0 },
601 #ifdef RTE_LIB_CMDLINE
602 		{ "interactive",		0, 0, 0 },
603 		{ "cmdline-file",		1, 0, 0 },
604 		{ "auto-start",			0, 0, 0 },
605 		{ "eth-peers-configfile",	1, 0, 0 },
606 		{ "eth-peer",			1, 0, 0 },
607 #endif
608 		{ "tx-first",			0, 0, 0 },
609 		{ "stats-period",		1, 0, 0 },
610 		{ "display-xstats",		1, 0, 0 },
611 		{ "nb-cores",			1, 0, 0 },
612 		{ "nb-ports",			1, 0, 0 },
613 		{ "coremask",			1, 0, 0 },
614 		{ "portmask",			1, 0, 0 },
615 		{ "portlist",			1, 0, 0 },
616 		{ "numa",			0, 0, 0 },
617 		{ "no-numa",			0, 0, 0 },
618 		{ "mp-anon",			0, 0, 0 }, /* deprecated */
619 		{ "port-numa-config",           1, 0, 0 },
620 		{ "ring-numa-config",           1, 0, 0 },
621 		{ "socket-num",			1, 0, 0 },
622 		{ "mbuf-size",			1, 0, 0 },
623 		{ "total-num-mbufs",		1, 0, 0 },
624 		{ "max-pkt-len",		1, 0, 0 },
625 		{ "max-lro-pkt-size",		1, 0, 0 },
626 #ifdef RTE_LIB_LATENCYSTATS
627 		{ "latencystats",               1, 0, 0 },
628 #endif
629 #ifdef RTE_LIB_BITRATESTATS
630 		{ "bitrate-stats",              1, 0, 0 },
631 #endif
632 		{ "disable-crc-strip",          0, 0, 0 },
633 		{ "enable-lro",                 0, 0, 0 },
634 		{ "enable-rx-cksum",            0, 0, 0 },
635 		{ "enable-rx-timestamp",        0, 0, 0 },
636 		{ "enable-scatter",             0, 0, 0 },
637 		{ "enable-hw-vlan",             0, 0, 0 },
638 		{ "enable-hw-vlan-filter",      0, 0, 0 },
639 		{ "enable-hw-vlan-strip",       0, 0, 0 },
640 		{ "enable-hw-vlan-extend",      0, 0, 0 },
641 		{ "enable-hw-qinq-strip",       0, 0, 0 },
642 		{ "enable-drop-en",            0, 0, 0 },
643 		{ "disable-rss",                0, 0, 0 },
644 		{ "port-topology",              1, 0, 0 },
645 		{ "forward-mode",               1, 0, 0 },
646 		{ "rss-ip",			0, 0, 0 },
647 		{ "rss-udp",			0, 0, 0 },
648 		{ "rss-level-outer",		0, 0, 0 },
649 		{ "rss-level-inner",		0, 0, 0 },
650 		{ "rxq",			1, 0, 0 },
651 		{ "txq",			1, 0, 0 },
652 		{ "rxd",			1, 0, 0 },
653 		{ "txd",			1, 0, 0 },
654 		{ "hairpinq",			1, 0, 0 },
655 		{ "hairpin-mode",		1, 0, 0 },
656 		{ "burst",			1, 0, 0 },
657 		{ "flowgen-clones",		1, 0, 0 },
658 		{ "flowgen-flows",		1, 0, 0 },
659 		{ "mbcache",			1, 0, 0 },
660 		{ "txpt",			1, 0, 0 },
661 		{ "txht",			1, 0, 0 },
662 		{ "txwt",			1, 0, 0 },
663 		{ "txfreet",			1, 0, 0 },
664 		{ "txrst",			1, 0, 0 },
665 		{ "rxpt",			1, 0, 0 },
666 		{ "rxht",			1, 0, 0 },
667 		{ "rxwt",			1, 0, 0 },
668 		{ "rxfreet",                    1, 0, 0 },
669 		{ "no-flush-rx",	0, 0, 0 },
670 		{ "flow-isolate-all",	        0, 0, 0 },
671 		{ "disable-flow-flush",         0, 0, 0 },
672 		{ "rxoffs",			1, 0, 0 },
673 		{ "rxpkts",			1, 0, 0 },
674 		{ "rxhdrs",			1, 0, 0 },
675 		{ "txpkts",			1, 0, 0 },
676 		{ "multi-rx-mempool",           0, 0, 0 },
677 		{ "txonly-multi-flow",		0, 0, 0 },
678 		{ "rxq-share",			2, 0, 0 },
679 		{ "eth-link-speed",		1, 0, 0 },
680 		{ "disable-link-check",		0, 0, 0 },
681 		{ "disable-device-start",	0, 0, 0 },
682 		{ "no-lsc-interrupt",		0, 0, 0 },
683 		{ "no-rmv-interrupt",		0, 0, 0 },
684 		{ "print-event",		1, 0, 0 },
685 		{ "mask-event",			1, 0, 0 },
686 		{ "tx-offloads",		1, 0, 0 },
687 		{ "rx-offloads",		1, 0, 0 },
688 		{ "hot-plug",			0, 0, 0 },
689 		{ "vxlan-gpe-port",		1, 0, 0 },
690 		{ "geneve-parsed-port",		1, 0, 0 },
691 #ifndef RTE_EXEC_ENV_WINDOWS
692 		{ "mlockall",			0, 0, 0 },
693 		{ "no-mlockall",		0, 0, 0 },
694 #endif
695 		{ "mp-alloc",			1, 0, 0 },
696 		{ "tx-ip",			1, 0, 0 },
697 		{ "tx-udp",			1, 0, 0 },
698 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
699 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
700 		{ "noisy-lkup-memory",		1, 0, 0 },
701 		{ "noisy-lkup-num-writes",	1, 0, 0 },
702 		{ "noisy-lkup-num-reads",	1, 0, 0 },
703 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
704 		{ "no-iova-contig",             0, 0, 0 },
705 		{ "rx-mq-mode",                 1, 0, 0 },
706 		{ "record-core-cycles",         0, 0, 0 },
707 		{ "record-burst-stats",         0, 0, 0 },
708 		{ PARAM_NUM_PROCS,              1, 0, 0 },
709 		{ PARAM_PROC_ID,                1, 0, 0 },
710 		{ 0, 0, 0, 0 },
711 	};
712 
713 	argvopt = argv;
714 
715 #ifdef RTE_LIB_CMDLINE
716 #define SHORTOPTS "i"
717 #else
718 #define SHORTOPTS ""
719 #endif
720 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
721 				 lgopts, &opt_idx)) != EOF) {
722 		switch (opt) {
723 #ifdef RTE_LIB_CMDLINE
724 		case 'i':
725 			printf("Interactive-mode selected\n");
726 			interactive = 1;
727 			break;
728 #endif
729 		case 'a':
730 			printf("Auto-start selected\n");
731 			auto_start = 1;
732 			break;
733 
734 		case 0: /*long options */
735 			if (!strcmp(lgopts[opt_idx].name, "help")) {
736 				usage(argv[0]);
737 				exit(EXIT_SUCCESS);
738 			}
739 #ifdef RTE_LIB_CMDLINE
740 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
741 				printf("Interactive-mode selected\n");
742 				interactive = 1;
743 			}
744 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
745 				printf("CLI commands to be read from %s\n",
746 				       optarg);
747 				strlcpy(cmdline_filename, optarg,
748 					sizeof(cmdline_filename));
749 			}
750 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
751 				printf("Auto-start selected\n");
752 				auto_start = 1;
753 			}
754 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
755 				printf("Ports to start sending a burst of "
756 						"packets first\n");
757 				tx_first = 1;
758 			}
759 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
760 				char *end = NULL;
761 				unsigned int n;
762 
763 				n = strtoul(optarg, &end, 10);
764 				if ((optarg[0] == '\0') || (end == NULL) ||
765 						(*end != '\0'))
766 					break;
767 
768 				stats_period = n;
769 				break;
770 			}
771 			if (!strcmp(lgopts[opt_idx].name, "display-xstats")) {
772 				char rc;
773 
774 				rc = parse_xstats_list(optarg, &xstats_display,
775 						       &xstats_display_num);
776 				if (rc != 0)
777 					rte_exit(EXIT_FAILURE,
778 						 "Failed to parse display-xstats argument: %d\n",
779 						 rc);
780 			}
781 			if (!strcmp(lgopts[opt_idx].name,
782 				    "eth-peers-configfile")) {
783 				if (init_peer_eth_addrs(optarg) != 0)
784 					rte_exit(EXIT_FAILURE,
785 						 "Cannot open logfile\n");
786 			}
787 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
788 				char *port_end;
789 
790 				errno = 0;
791 				n = strtoul(optarg, &port_end, 10);
792 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
793 					rte_exit(EXIT_FAILURE,
794 						 "Invalid eth-peer: %s", optarg);
795 				if (n >= RTE_MAX_ETHPORTS)
796 					rte_exit(EXIT_FAILURE,
797 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
798 						 n, RTE_MAX_ETHPORTS);
799 
800 				if (rte_ether_unformat_addr(port_end,
801 						&peer_eth_addrs[n]) < 0)
802 					rte_exit(EXIT_FAILURE,
803 						 "Invalid ethernet address: %s\n",
804 						 port_end);
805 				nb_peer_eth_addrs++;
806 			}
807 #endif
808 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
809 				struct in_addr in;
810 				char *end;
811 
812 				end = strchr(optarg, ',');
813 				if (end == optarg || !end)
814 					rte_exit(EXIT_FAILURE,
815 						 "Invalid tx-ip: %s", optarg);
816 
817 				*end++ = 0;
818 				if (inet_pton(AF_INET, optarg, &in) == 0)
819 					rte_exit(EXIT_FAILURE,
820 						 "Invalid source IP address: %s\n",
821 						 optarg);
822 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
823 
824 				if (inet_pton(AF_INET, end, &in) == 0)
825 					rte_exit(EXIT_FAILURE,
826 						 "Invalid destination IP address: %s\n",
827 						 optarg);
828 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
829 			}
830 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
831 				char *end = NULL;
832 
833 				errno = 0;
834 				n = strtoul(optarg, &end, 10);
835 				if (errno != 0 || end == optarg ||
836 				    n > UINT16_MAX ||
837 				    !(*end == '\0' || *end == ','))
838 					rte_exit(EXIT_FAILURE,
839 						 "Invalid UDP port: %s\n",
840 						 optarg);
841 				tx_udp_src_port = n;
842 				if (*end == ',') {
843 					char *dst = end + 1;
844 
845 					n = strtoul(dst, &end, 10);
846 					if (errno != 0 || end == dst ||
847 					    n > UINT16_MAX || *end)
848 						rte_exit(EXIT_FAILURE,
849 							 "Invalid destination UDP port: %s\n",
850 							 dst);
851 					tx_udp_dst_port = n;
852 				} else {
853 					tx_udp_dst_port = n;
854 				}
855 
856 			}
857 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
858 				n = atoi(optarg);
859 				if (n > 0 && n <= nb_ports)
860 					nb_fwd_ports = n;
861 				else
862 					rte_exit(EXIT_FAILURE,
863 						 "Invalid port %d\n", n);
864 			}
865 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
866 				n = atoi(optarg);
867 				if (n > 0 && n <= nb_lcores)
868 					nb_fwd_lcores = (uint8_t) n;
869 				else
870 					rte_exit(EXIT_FAILURE,
871 						 "nb-cores should be > 0 and <= %d\n",
872 						 nb_lcores);
873 			}
874 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
875 				parse_fwd_coremask(optarg);
876 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
877 				parse_fwd_portmask(optarg);
878 			if (!strcmp(lgopts[opt_idx].name, "portlist"))
879 				parse_fwd_portlist(optarg);
880 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
881 				numa_support = 0;
882 			if (!strcmp(lgopts[opt_idx].name, "numa"))
883 				numa_support = 1;
884 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
885 				mp_alloc_type = MP_ALLOC_ANON;
886 			}
887 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
888 				if (!strcmp(optarg, "native"))
889 					mp_alloc_type = MP_ALLOC_NATIVE;
890 				else if (!strcmp(optarg, "anon"))
891 					mp_alloc_type = MP_ALLOC_ANON;
892 				else if (!strcmp(optarg, "xmem"))
893 					mp_alloc_type = MP_ALLOC_XMEM;
894 				else if (!strcmp(optarg, "xmemhuge"))
895 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
896 				else if (!strcmp(optarg, "xbuf"))
897 					mp_alloc_type = MP_ALLOC_XBUF;
898 				else
899 					rte_exit(EXIT_FAILURE,
900 						"mp-alloc %s invalid - must be: "
901 						"native, anon, xmem or xmemhuge\n",
902 						 optarg);
903 			}
904 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
905 				if (parse_portnuma_config(optarg))
906 					rte_exit(EXIT_FAILURE,
907 					   "invalid port-numa configuration\n");
908 			}
909 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
910 				if (parse_ringnuma_config(optarg))
911 					rte_exit(EXIT_FAILURE,
912 					   "invalid ring-numa configuration\n");
913 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
914 				n = atoi(optarg);
915 				if (!new_socket_id((uint8_t)n)) {
916 					socket_num = (uint8_t)n;
917 				} else {
918 					print_invalid_socket_id_error();
919 					rte_exit(EXIT_FAILURE,
920 						"Invalid socket id");
921 				}
922 			}
923 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
924 				unsigned int mb_sz[MAX_SEGS_BUFFER_SPLIT];
925 				unsigned int nb_segs, i;
926 
927 				nb_segs = parse_item_list(optarg, "mbuf-size",
928 					MAX_SEGS_BUFFER_SPLIT, mb_sz, 0);
929 				if (nb_segs <= 0)
930 					rte_exit(EXIT_FAILURE,
931 						 "bad mbuf-size\n");
932 				for (i = 0; i < nb_segs; i++) {
933 					if (mb_sz[i] <= 0 || mb_sz[i] > 0xFFFF)
934 						rte_exit(EXIT_FAILURE,
935 							 "mbuf-size should be "
936 							 "> 0 and < 65536\n");
937 					mbuf_data_size[i] = (uint16_t) mb_sz[i];
938 				}
939 				mbuf_data_size_n = nb_segs;
940 			}
941 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
942 				n = atoi(optarg);
943 				if (n > MIN_TOTAL_NUM_MBUFS)
944 					param_total_num_mbufs = (unsigned)n;
945 				else
946 					rte_exit(EXIT_FAILURE,
947 						 "total-num-mbufs should be > %d\n",
948 						 MIN_TOTAL_NUM_MBUFS);
949 			}
950 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
951 				n = atoi(optarg);
952 				if (n >= RTE_ETHER_MIN_LEN)
953 					max_rx_pkt_len = n;
954 				else
955 					rte_exit(EXIT_FAILURE,
956 						 "Invalid max-pkt-len=%d - should be > %d\n",
957 						 n, RTE_ETHER_MIN_LEN);
958 			}
959 			if (!strcmp(lgopts[opt_idx].name, "max-lro-pkt-size")) {
960 				n = atoi(optarg);
961 				rx_mode.max_lro_pkt_size = (uint32_t) n;
962 			}
963 #ifdef RTE_LIB_LATENCYSTATS
964 			if (!strcmp(lgopts[opt_idx].name,
965 				    "latencystats")) {
966 				n = atoi(optarg);
967 				if (n >= 0) {
968 					latencystats_lcore_id = (lcoreid_t) n;
969 					latencystats_enabled = 1;
970 				} else
971 					rte_exit(EXIT_FAILURE,
972 						 "invalid lcore id %d for latencystats"
973 						 " must be >= 0\n", n);
974 			}
975 #endif
976 #ifdef RTE_LIB_BITRATESTATS
977 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
978 				n = atoi(optarg);
979 				if (n >= 0) {
980 					bitrate_lcore_id = (lcoreid_t) n;
981 					bitrate_enabled = 1;
982 				} else
983 					rte_exit(EXIT_FAILURE,
984 						 "invalid lcore id %d for bitrate stats"
985 						 " must be >= 0\n", n);
986 			}
987 #endif
988 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
989 				rx_offloads |= RTE_ETH_RX_OFFLOAD_KEEP_CRC;
990 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
991 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TCP_LRO;
992 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
993 				rx_offloads |= RTE_ETH_RX_OFFLOAD_SCATTER;
994 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
995 				rx_offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM;
996 			if (!strcmp(lgopts[opt_idx].name,
997 					"enable-rx-timestamp"))
998 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TIMESTAMP;
999 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
1000 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN;
1001 
1002 			if (!strcmp(lgopts[opt_idx].name,
1003 					"enable-hw-vlan-filter"))
1004 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_FILTER;
1005 
1006 			if (!strcmp(lgopts[opt_idx].name,
1007 					"enable-hw-vlan-strip"))
1008 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
1009 
1010 			if (!strcmp(lgopts[opt_idx].name,
1011 					"enable-hw-vlan-extend"))
1012 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_EXTEND;
1013 
1014 			if (!strcmp(lgopts[opt_idx].name,
1015 					"enable-hw-qinq-strip"))
1016 				rx_offloads |= RTE_ETH_RX_OFFLOAD_QINQ_STRIP;
1017 
1018 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
1019 				rx_drop_en = 1;
1020 
1021 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
1022 				rss_hf = 0;
1023 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
1024 				if (!strcmp(optarg, "paired"))
1025 					port_topology = PORT_TOPOLOGY_PAIRED;
1026 				else if (!strcmp(optarg, "chained"))
1027 					port_topology = PORT_TOPOLOGY_CHAINED;
1028 				else if (!strcmp(optarg, "loop"))
1029 					port_topology = PORT_TOPOLOGY_LOOP;
1030 				else
1031 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
1032 						 " must be: paired, chained or loop\n",
1033 						 optarg);
1034 			}
1035 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
1036 				set_pkt_forwarding_mode(optarg);
1037 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
1038 				rss_hf = RTE_ETH_RSS_IP;
1039 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
1040 				rss_hf = RTE_ETH_RSS_UDP;
1041 			if (!strcmp(lgopts[opt_idx].name, "rss-level-inner"))
1042 				rss_hf |= RTE_ETH_RSS_LEVEL_INNERMOST;
1043 			if (!strcmp(lgopts[opt_idx].name, "rss-level-outer"))
1044 				rss_hf |= RTE_ETH_RSS_LEVEL_OUTERMOST;
1045 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
1046 				n = atoi(optarg);
1047 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
1048 					nb_rxq = (queueid_t) n;
1049 				else
1050 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
1051 						  " >= 0 && <= %u\n", n,
1052 						  get_allowed_max_nb_rxq(&pid));
1053 			}
1054 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
1055 				n = atoi(optarg);
1056 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
1057 					nb_txq = (queueid_t) n;
1058 				else
1059 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1060 						  " >= 0 && <= %u\n", n,
1061 						  get_allowed_max_nb_txq(&pid));
1062 			}
1063 			if (!strcmp(lgopts[opt_idx].name, "hairpinq")) {
1064 				n = atoi(optarg);
1065 				if (n >= 0 &&
1066 				    check_nb_hairpinq((queueid_t)n) == 0)
1067 					nb_hairpinq = (queueid_t) n;
1068 				else
1069 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1070 						  " >= 0 && <= %u\n", n,
1071 						  get_allowed_max_nb_hairpinq
1072 						  (&pid));
1073 				if ((n + nb_txq) < 0 ||
1074 				    check_nb_txq((queueid_t)(n + nb_txq)) != 0)
1075 					rte_exit(EXIT_FAILURE, "txq + hairpinq "
1076 						 "%d invalid - must be"
1077 						  " >= 0 && <= %u\n",
1078 						  n + nb_txq,
1079 						  get_allowed_max_nb_txq(&pid));
1080 				if ((n + nb_rxq) < 0 ||
1081 				    check_nb_rxq((queueid_t)(n + nb_rxq)) != 0)
1082 					rte_exit(EXIT_FAILURE, "rxq + hairpinq "
1083 						 "%d invalid - must be"
1084 						  " >= 0 && <= %u\n",
1085 						  n + nb_rxq,
1086 						  get_allowed_max_nb_rxq(&pid));
1087 			}
1088 			if (!nb_rxq && !nb_txq) {
1089 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
1090 						"be non-zero\n");
1091 			}
1092 			if (!strcmp(lgopts[opt_idx].name, "hairpin-mode")) {
1093 				char *end = NULL;
1094 				unsigned int n;
1095 
1096 				errno = 0;
1097 				n = strtoul(optarg, &end, 0);
1098 				if (errno != 0 || end == optarg)
1099 					rte_exit(EXIT_FAILURE, "hairpin mode invalid\n");
1100 				else
1101 					hairpin_mode = (uint32_t)n;
1102 			}
1103 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
1104 				n = atoi(optarg);
1105 				if (n == 0) {
1106 					/* A burst size of zero means that the
1107 					 * PMD should be queried for
1108 					 * recommended Rx burst size. Since
1109 					 * testpmd uses a single size for all
1110 					 * ports, port 0 is queried for the
1111 					 * value, on the assumption that all
1112 					 * ports are of the same NIC model.
1113 					 */
1114 					ret = eth_dev_info_get_print_err(
1115 								0,
1116 								&dev_info);
1117 					if (ret != 0)
1118 						return;
1119 
1120 					rec_nb_pkts = dev_info
1121 						.default_rxportconf.burst_size;
1122 
1123 					if (rec_nb_pkts == 0)
1124 						rte_exit(EXIT_FAILURE,
1125 							"PMD does not recommend a burst size. "
1126 							"Provided value must be between "
1127 							"1 and %d\n", MAX_PKT_BURST);
1128 					else if (rec_nb_pkts > MAX_PKT_BURST)
1129 						rte_exit(EXIT_FAILURE,
1130 							"PMD recommended burst size of %d"
1131 							" exceeds maximum value of %d\n",
1132 							rec_nb_pkts, MAX_PKT_BURST);
1133 					printf("Using PMD-provided burst value of %d\n",
1134 						rec_nb_pkts);
1135 					nb_pkt_per_burst = rec_nb_pkts;
1136 				} else if (n > MAX_PKT_BURST)
1137 					rte_exit(EXIT_FAILURE,
1138 						"burst must be between1 and %d\n",
1139 						MAX_PKT_BURST);
1140 				else
1141 					nb_pkt_per_burst = (uint16_t) n;
1142 			}
1143 			if (!strcmp(lgopts[opt_idx].name, "flowgen-clones")) {
1144 				n = atoi(optarg);
1145 				if (n >= 0)
1146 					nb_pkt_flowgen_clones = (uint16_t) n;
1147 				else
1148 					rte_exit(EXIT_FAILURE,
1149 						 "clones must be >= 0 and <= current burst\n");
1150 			}
1151 			if (!strcmp(lgopts[opt_idx].name, "flowgen-flows")) {
1152 				n = atoi(optarg);
1153 				if (n > 0)
1154 					nb_flows_flowgen = (int) n;
1155 				else
1156 					rte_exit(EXIT_FAILURE,
1157 						 "flows must be >= 1\n");
1158 			}
1159 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1160 				n = atoi(optarg);
1161 				if ((n >= 0) &&
1162 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1163 					mb_mempool_cache = (uint16_t) n;
1164 				else
1165 					rte_exit(EXIT_FAILURE,
1166 						 "mbcache must be >= 0 and <= %d\n",
1167 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1168 			}
1169 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1170 				n = atoi(optarg);
1171 				if (n >= 0)
1172 					tx_free_thresh = (int16_t)n;
1173 				else
1174 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1175 			}
1176 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1177 				n = atoi(optarg);
1178 				if (n >= 0)
1179 					tx_rs_thresh = (int16_t)n;
1180 				else
1181 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1182 			}
1183 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1184 				n = atoi(optarg);
1185 				if (n > 0) {
1186 					if (rx_free_thresh >= n)
1187 						rte_exit(EXIT_FAILURE,
1188 							 "rxd must be > "
1189 							 "rx_free_thresh(%d)\n",
1190 							 (int)rx_free_thresh);
1191 					else
1192 						nb_rxd = (uint16_t) n;
1193 				} else
1194 					rte_exit(EXIT_FAILURE,
1195 						 "rxd(%d) invalid - must be > 0\n",
1196 						 n);
1197 			}
1198 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1199 				n = atoi(optarg);
1200 				if (n > 0)
1201 					nb_txd = (uint16_t) n;
1202 				else
1203 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1204 			}
1205 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1206 				n = atoi(optarg);
1207 				if (n >= 0)
1208 					tx_pthresh = (int8_t)n;
1209 				else
1210 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1211 			}
1212 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1213 				n = atoi(optarg);
1214 				if (n >= 0)
1215 					tx_hthresh = (int8_t)n;
1216 				else
1217 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1218 			}
1219 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1220 				n = atoi(optarg);
1221 				if (n >= 0)
1222 					tx_wthresh = (int8_t)n;
1223 				else
1224 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1225 			}
1226 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1227 				n = atoi(optarg);
1228 				if (n >= 0)
1229 					rx_pthresh = (int8_t)n;
1230 				else
1231 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1232 			}
1233 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1234 				n = atoi(optarg);
1235 				if (n >= 0)
1236 					rx_hthresh = (int8_t)n;
1237 				else
1238 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1239 			}
1240 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1241 				n = atoi(optarg);
1242 				if (n >= 0)
1243 					rx_wthresh = (int8_t)n;
1244 				else
1245 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1246 			}
1247 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1248 				n = atoi(optarg);
1249 				if (n >= 0)
1250 					rx_free_thresh = (int16_t)n;
1251 				else
1252 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1253 			}
1254 			if (!strcmp(lgopts[opt_idx].name, "rxoffs")) {
1255 				unsigned int seg_off[MAX_SEGS_BUFFER_SPLIT];
1256 				unsigned int nb_offs;
1257 
1258 				nb_offs = parse_item_list
1259 						(optarg, "rxpkt offsets",
1260 						 MAX_SEGS_BUFFER_SPLIT,
1261 						 seg_off, 0);
1262 				if (nb_offs > 0)
1263 					set_rx_pkt_offsets(seg_off, nb_offs);
1264 				else
1265 					rte_exit(EXIT_FAILURE, "bad rxoffs\n");
1266 			}
1267 			if (!strcmp(lgopts[opt_idx].name, "rxpkts")) {
1268 				unsigned int seg_len[MAX_SEGS_BUFFER_SPLIT];
1269 				unsigned int nb_segs;
1270 				nb_segs = parse_item_list
1271 						(optarg, "rxpkt segments",
1272 						 MAX_SEGS_BUFFER_SPLIT,
1273 						 seg_len, 0);
1274 				if (nb_segs > 0)
1275 					set_rx_pkt_segments(seg_len, nb_segs);
1276 				else
1277 					rte_exit(EXIT_FAILURE, "bad rxpkts\n");
1278 			}
1279 			if (!strcmp(lgopts[opt_idx].name, "rxhdrs")) {
1280 				unsigned int seg_hdrs[MAX_SEGS_BUFFER_SPLIT];
1281 				unsigned int nb_segs;
1282 
1283 				nb_segs = parse_hdrs_list
1284 						(optarg, "rxpkt segments",
1285 						MAX_SEGS_BUFFER_SPLIT,
1286 						seg_hdrs);
1287 				if (nb_segs > 0)
1288 					set_rx_pkt_hdrs(seg_hdrs, nb_segs);
1289 				else
1290 					rte_exit(EXIT_FAILURE, "bad rxpkts\n");
1291 			}
1292 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1293 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1294 				unsigned int nb_segs;
1295 
1296 				nb_segs = parse_item_list(optarg, "txpkt segments",
1297 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1298 				if (nb_segs > 0)
1299 					set_tx_pkt_segments(seg_lengths, nb_segs);
1300 				else
1301 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1302 			}
1303 			if (!strcmp(lgopts[opt_idx].name, "multi-rx-mempool"))
1304 				multi_rx_mempool = 1;
1305 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1306 				txonly_multi_flow = 1;
1307 			if (!strcmp(lgopts[opt_idx].name, "rxq-share")) {
1308 				if (optarg == NULL) {
1309 					rxq_share = UINT32_MAX;
1310 				} else {
1311 					n = atoi(optarg);
1312 					if (n >= 0)
1313 						rxq_share = (uint32_t)n;
1314 					else
1315 						rte_exit(EXIT_FAILURE, "rxq-share must be >= 0\n");
1316 				}
1317 			}
1318 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1319 				no_flush_rx = 1;
1320 			if (!strcmp(lgopts[opt_idx].name, "eth-link-speed")) {
1321 				n = atoi(optarg);
1322 				if (n >= 0 && parse_link_speed(n) > 0)
1323 					eth_link_speed = parse_link_speed(n);
1324 			}
1325 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1326 				no_link_check = 1;
1327 			if (!strcmp(lgopts[opt_idx].name, "disable-device-start"))
1328 				no_device_start = 1;
1329 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1330 				lsc_interrupt = 0;
1331 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1332 				rmv_interrupt = 0;
1333 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1334 				flow_isolate_all = 1;
1335 			if (!strcmp(lgopts[opt_idx].name, "disable-flow-flush"))
1336 				no_flow_flush = 1;
1337 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1338 				char *end = NULL;
1339 				n = strtoull(optarg, &end, 16);
1340 				if (n >= 0)
1341 					tx_offloads = (uint64_t)n;
1342 				else
1343 					rte_exit(EXIT_FAILURE,
1344 						 "tx-offloads must be >= 0\n");
1345 			}
1346 
1347 			if (!strcmp(lgopts[opt_idx].name, "rx-offloads")) {
1348 				char *end = NULL;
1349 				n = strtoull(optarg, &end, 16);
1350 				if (n >= 0)
1351 					rx_offloads = (uint64_t)n;
1352 				else
1353 					rte_exit(EXIT_FAILURE,
1354 						 "rx-offloads must be >= 0\n");
1355 			}
1356 
1357 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1358 				n = atoi(optarg);
1359 				if (n >= 0)
1360 					vxlan_gpe_udp_port = (uint16_t)n;
1361 				else
1362 					rte_exit(EXIT_FAILURE,
1363 						 "vxlan-gpe-port must be >= 0\n");
1364 			}
1365 			if (!strcmp(lgopts[opt_idx].name,
1366 				    "geneve-parsed-port")) {
1367 				n = atoi(optarg);
1368 				if (n >= 0)
1369 					geneve_udp_port = (uint16_t)n;
1370 				else
1371 					rte_exit(EXIT_FAILURE,
1372 						 "geneve-parsed-port must be >= 0\n");
1373 			}
1374 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1375 				if (parse_event_printing_config(optarg, 1)) {
1376 					rte_exit(EXIT_FAILURE,
1377 						 "invalid print-event argument\n");
1378 				}
1379 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1380 				if (parse_event_printing_config(optarg, 0)) {
1381 					rte_exit(EXIT_FAILURE,
1382 						 "invalid mask-event argument\n");
1383 				}
1384 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1385 				hot_plug = 1;
1386 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1387 				do_mlockall = 1;
1388 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1389 				do_mlockall = 0;
1390 			if (!strcmp(lgopts[opt_idx].name,
1391 				    "noisy-tx-sw-buffer-size")) {
1392 				n = atoi(optarg);
1393 				if (n >= 0)
1394 					noisy_tx_sw_bufsz = n;
1395 				else
1396 					rte_exit(EXIT_FAILURE,
1397 						"noisy-tx-sw-buffer-size must be >= 0\n");
1398 			}
1399 			if (!strcmp(lgopts[opt_idx].name,
1400 				    "noisy-tx-sw-buffer-flushtime")) {
1401 				n = atoi(optarg);
1402 				if (n >= 0)
1403 					noisy_tx_sw_buf_flush_time = n;
1404 				else
1405 					rte_exit(EXIT_FAILURE,
1406 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1407 			}
1408 			if (!strcmp(lgopts[opt_idx].name,
1409 				    "noisy-lkup-memory")) {
1410 				n = atoi(optarg);
1411 				if (n >= 0)
1412 					noisy_lkup_mem_sz = n;
1413 				else
1414 					rte_exit(EXIT_FAILURE,
1415 						 "noisy-lkup-memory must be >= 0\n");
1416 			}
1417 			if (!strcmp(lgopts[opt_idx].name,
1418 				    "noisy-lkup-num-writes")) {
1419 				n = atoi(optarg);
1420 				if (n >= 0)
1421 					noisy_lkup_num_writes = n;
1422 				else
1423 					rte_exit(EXIT_FAILURE,
1424 						 "noisy-lkup-num-writes must be >= 0\n");
1425 			}
1426 			if (!strcmp(lgopts[opt_idx].name,
1427 				    "noisy-lkup-num-reads")) {
1428 				n = atoi(optarg);
1429 				if (n >= 0)
1430 					noisy_lkup_num_reads = n;
1431 				else
1432 					rte_exit(EXIT_FAILURE,
1433 						 "noisy-lkup-num-reads must be >= 0\n");
1434 			}
1435 			if (!strcmp(lgopts[opt_idx].name,
1436 				    "noisy-lkup-num-reads-writes")) {
1437 				n = atoi(optarg);
1438 				if (n >= 0)
1439 					noisy_lkup_num_reads_writes = n;
1440 				else
1441 					rte_exit(EXIT_FAILURE,
1442 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1443 			}
1444 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1445 				mempool_flags = RTE_MEMPOOL_F_NO_IOVA_CONTIG;
1446 
1447 			if (!strcmp(lgopts[opt_idx].name, "rx-mq-mode")) {
1448 				char *end = NULL;
1449 				n = strtoul(optarg, &end, 16);
1450 				if (n >= 0 && n <= RTE_ETH_MQ_RX_VMDQ_DCB_RSS)
1451 					rx_mq_mode = (enum rte_eth_rx_mq_mode)n;
1452 				else
1453 					rte_exit(EXIT_FAILURE,
1454 						 "rx-mq-mode must be >= 0 and <= %d\n",
1455 						 RTE_ETH_MQ_RX_VMDQ_DCB_RSS);
1456 			}
1457 			if (!strcmp(lgopts[opt_idx].name, "record-core-cycles"))
1458 				record_core_cycles = 1;
1459 			if (!strcmp(lgopts[opt_idx].name, "record-burst-stats"))
1460 				record_burst_stats = 1;
1461 			if (!strcmp(lgopts[opt_idx].name, PARAM_NUM_PROCS))
1462 				num_procs = atoi(optarg);
1463 			if (!strcmp(lgopts[opt_idx].name, PARAM_PROC_ID))
1464 				proc_id = atoi(optarg);
1465 			break;
1466 		case 'h':
1467 			usage(argv[0]);
1468 			exit(EXIT_SUCCESS);
1469 			break;
1470 		default:
1471 			usage(argv[0]);
1472 			fprintf(stderr, "Invalid option: %s\n", argv[optind]);
1473 			rte_exit(EXIT_FAILURE,
1474 				 "Command line is incomplete or incorrect\n");
1475 			break;
1476 		}
1477 	}
1478 
1479 	if (optind != argc) {
1480 		usage(argv[0]);
1481 		fprintf(stderr, "Invalid parameter: %s\n", argv[optind]);
1482 		rte_exit(EXIT_FAILURE, "Command line is incorrect\n");
1483 	}
1484 
1485 	if (proc_id >= (int)num_procs)
1486 		rte_exit(EXIT_FAILURE,
1487 			 "The multi-process option '%s(%d)' should be less than '%s(%u)'\n",
1488 			 PARAM_PROC_ID, proc_id,
1489 			 PARAM_NUM_PROCS, num_procs);
1490 
1491 	/* Set offload configuration from command line parameters. */
1492 	rx_mode.offloads = rx_offloads;
1493 	tx_mode.offloads = tx_offloads;
1494 
1495 	if (mempool_flags & RTE_MEMPOOL_F_NO_IOVA_CONTIG &&
1496 	    mp_alloc_type != MP_ALLOC_ANON) {
1497 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1498 				  "mp-alloc=anon. mempool no-iova-contig is "
1499 				  "ignored\n");
1500 		mempool_flags = 0;
1501 	}
1502 }
1503