xref: /dpdk/app/test-pmd/parameters.c (revision 2bf48044dca1892e571fd4964eecaacf6cb0c1c2)
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 400000:
572 		speed |= RTE_ETH_LINK_SPEED_400G;
573 		break;
574 	case 100:
575 	case 10:
576 	default:
577 		fprintf(stderr, "Unsupported fixed speed\n");
578 		return 0;
579 	}
580 
581 	return speed;
582 }
583 
584 void
585 launch_args_parse(int argc, char** argv)
586 {
587 #define PARAM_PROC_ID "proc-id"
588 #define PARAM_NUM_PROCS "num-procs"
589 
590 	int n, opt;
591 	char **argvopt;
592 	int opt_idx;
593 	portid_t pid;
594 	enum { TX, RX };
595 	/* Default offloads for all ports. */
596 	uint64_t rx_offloads = rx_mode.offloads;
597 	uint64_t tx_offloads = tx_mode.offloads;
598 	struct rte_eth_dev_info dev_info;
599 	uint16_t rec_nb_pkts;
600 	int ret;
601 
602 	static struct option lgopts[] = {
603 		{ "help",			0, 0, 0 },
604 #ifdef RTE_LIB_CMDLINE
605 		{ "interactive",		0, 0, 0 },
606 		{ "cmdline-file",		1, 0, 0 },
607 		{ "auto-start",			0, 0, 0 },
608 		{ "eth-peers-configfile",	1, 0, 0 },
609 		{ "eth-peer",			1, 0, 0 },
610 #endif
611 		{ "tx-first",			0, 0, 0 },
612 		{ "stats-period",		1, 0, 0 },
613 		{ "display-xstats",		1, 0, 0 },
614 		{ "nb-cores",			1, 0, 0 },
615 		{ "nb-ports",			1, 0, 0 },
616 		{ "coremask",			1, 0, 0 },
617 		{ "portmask",			1, 0, 0 },
618 		{ "portlist",			1, 0, 0 },
619 		{ "numa",			0, 0, 0 },
620 		{ "no-numa",			0, 0, 0 },
621 		{ "mp-anon",			0, 0, 0 }, /* deprecated */
622 		{ "port-numa-config",           1, 0, 0 },
623 		{ "ring-numa-config",           1, 0, 0 },
624 		{ "socket-num",			1, 0, 0 },
625 		{ "mbuf-size",			1, 0, 0 },
626 		{ "total-num-mbufs",		1, 0, 0 },
627 		{ "max-pkt-len",		1, 0, 0 },
628 		{ "max-lro-pkt-size",		1, 0, 0 },
629 #ifdef RTE_LIB_LATENCYSTATS
630 		{ "latencystats",               1, 0, 0 },
631 #endif
632 #ifdef RTE_LIB_BITRATESTATS
633 		{ "bitrate-stats",              1, 0, 0 },
634 #endif
635 		{ "disable-crc-strip",          0, 0, 0 },
636 		{ "enable-lro",                 0, 0, 0 },
637 		{ "enable-rx-cksum",            0, 0, 0 },
638 		{ "enable-rx-timestamp",        0, 0, 0 },
639 		{ "enable-scatter",             0, 0, 0 },
640 		{ "enable-hw-vlan",             0, 0, 0 },
641 		{ "enable-hw-vlan-filter",      0, 0, 0 },
642 		{ "enable-hw-vlan-strip",       0, 0, 0 },
643 		{ "enable-hw-vlan-extend",      0, 0, 0 },
644 		{ "enable-hw-qinq-strip",       0, 0, 0 },
645 		{ "enable-drop-en",            0, 0, 0 },
646 		{ "disable-rss",                0, 0, 0 },
647 		{ "port-topology",              1, 0, 0 },
648 		{ "forward-mode",               1, 0, 0 },
649 		{ "rss-ip",			0, 0, 0 },
650 		{ "rss-udp",			0, 0, 0 },
651 		{ "rss-level-outer",		0, 0, 0 },
652 		{ "rss-level-inner",		0, 0, 0 },
653 		{ "rxq",			1, 0, 0 },
654 		{ "txq",			1, 0, 0 },
655 		{ "rxd",			1, 0, 0 },
656 		{ "txd",			1, 0, 0 },
657 		{ "hairpinq",			1, 0, 0 },
658 		{ "hairpin-mode",		1, 0, 0 },
659 		{ "burst",			1, 0, 0 },
660 		{ "flowgen-clones",		1, 0, 0 },
661 		{ "flowgen-flows",		1, 0, 0 },
662 		{ "mbcache",			1, 0, 0 },
663 		{ "txpt",			1, 0, 0 },
664 		{ "txht",			1, 0, 0 },
665 		{ "txwt",			1, 0, 0 },
666 		{ "txfreet",			1, 0, 0 },
667 		{ "txrst",			1, 0, 0 },
668 		{ "rxpt",			1, 0, 0 },
669 		{ "rxht",			1, 0, 0 },
670 		{ "rxwt",			1, 0, 0 },
671 		{ "rxfreet",                    1, 0, 0 },
672 		{ "no-flush-rx",	0, 0, 0 },
673 		{ "flow-isolate-all",	        0, 0, 0 },
674 		{ "disable-flow-flush",         0, 0, 0 },
675 		{ "rxoffs",			1, 0, 0 },
676 		{ "rxpkts",			1, 0, 0 },
677 		{ "rxhdrs",			1, 0, 0 },
678 		{ "txpkts",			1, 0, 0 },
679 		{ "multi-rx-mempool",           0, 0, 0 },
680 		{ "txonly-multi-flow",		0, 0, 0 },
681 		{ "rxq-share",			2, 0, 0 },
682 		{ "eth-link-speed",		1, 0, 0 },
683 		{ "disable-link-check",		0, 0, 0 },
684 		{ "disable-device-start",	0, 0, 0 },
685 		{ "no-lsc-interrupt",		0, 0, 0 },
686 		{ "no-rmv-interrupt",		0, 0, 0 },
687 		{ "print-event",		1, 0, 0 },
688 		{ "mask-event",			1, 0, 0 },
689 		{ "tx-offloads",		1, 0, 0 },
690 		{ "rx-offloads",		1, 0, 0 },
691 		{ "hot-plug",			0, 0, 0 },
692 		{ "vxlan-gpe-port",		1, 0, 0 },
693 		{ "geneve-parsed-port",		1, 0, 0 },
694 #ifndef RTE_EXEC_ENV_WINDOWS
695 		{ "mlockall",			0, 0, 0 },
696 		{ "no-mlockall",		0, 0, 0 },
697 #endif
698 		{ "mp-alloc",			1, 0, 0 },
699 		{ "tx-ip",			1, 0, 0 },
700 		{ "tx-udp",			1, 0, 0 },
701 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
702 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
703 		{ "noisy-lkup-memory",		1, 0, 0 },
704 		{ "noisy-lkup-num-writes",	1, 0, 0 },
705 		{ "noisy-lkup-num-reads",	1, 0, 0 },
706 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
707 		{ "no-iova-contig",             0, 0, 0 },
708 		{ "rx-mq-mode",                 1, 0, 0 },
709 		{ "record-core-cycles",         0, 0, 0 },
710 		{ "record-burst-stats",         0, 0, 0 },
711 		{ PARAM_NUM_PROCS,              1, 0, 0 },
712 		{ PARAM_PROC_ID,                1, 0, 0 },
713 		{ 0, 0, 0, 0 },
714 	};
715 
716 	argvopt = argv;
717 
718 #ifdef RTE_LIB_CMDLINE
719 #define SHORTOPTS "i"
720 #else
721 #define SHORTOPTS ""
722 #endif
723 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
724 				 lgopts, &opt_idx)) != EOF) {
725 		switch (opt) {
726 #ifdef RTE_LIB_CMDLINE
727 		case 'i':
728 			printf("Interactive-mode selected\n");
729 			interactive = 1;
730 			break;
731 #endif
732 		case 'a':
733 			printf("Auto-start selected\n");
734 			auto_start = 1;
735 			break;
736 
737 		case 0: /*long options */
738 			if (!strcmp(lgopts[opt_idx].name, "help")) {
739 				usage(argv[0]);
740 				exit(EXIT_SUCCESS);
741 			}
742 #ifdef RTE_LIB_CMDLINE
743 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
744 				printf("Interactive-mode selected\n");
745 				interactive = 1;
746 			}
747 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
748 				printf("CLI commands to be read from %s\n",
749 				       optarg);
750 				strlcpy(cmdline_filename, optarg,
751 					sizeof(cmdline_filename));
752 			}
753 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
754 				printf("Auto-start selected\n");
755 				auto_start = 1;
756 			}
757 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
758 				printf("Ports to start sending a burst of "
759 						"packets first\n");
760 				tx_first = 1;
761 			}
762 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
763 				char *end = NULL;
764 				unsigned int n;
765 
766 				n = strtoul(optarg, &end, 10);
767 				if ((optarg[0] == '\0') || (end == NULL) ||
768 						(*end != '\0'))
769 					break;
770 
771 				stats_period = n;
772 				break;
773 			}
774 			if (!strcmp(lgopts[opt_idx].name, "display-xstats")) {
775 				char rc;
776 
777 				rc = parse_xstats_list(optarg, &xstats_display,
778 						       &xstats_display_num);
779 				if (rc != 0)
780 					rte_exit(EXIT_FAILURE,
781 						 "Failed to parse display-xstats argument: %d\n",
782 						 rc);
783 			}
784 			if (!strcmp(lgopts[opt_idx].name,
785 				    "eth-peers-configfile")) {
786 				if (init_peer_eth_addrs(optarg) != 0)
787 					rte_exit(EXIT_FAILURE,
788 						 "Cannot open logfile\n");
789 			}
790 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
791 				char *port_end;
792 
793 				errno = 0;
794 				n = strtoul(optarg, &port_end, 10);
795 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
796 					rte_exit(EXIT_FAILURE,
797 						 "Invalid eth-peer: %s", optarg);
798 				if (n >= RTE_MAX_ETHPORTS)
799 					rte_exit(EXIT_FAILURE,
800 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
801 						 n, RTE_MAX_ETHPORTS);
802 
803 				if (rte_ether_unformat_addr(port_end,
804 						&peer_eth_addrs[n]) < 0)
805 					rte_exit(EXIT_FAILURE,
806 						 "Invalid ethernet address: %s\n",
807 						 port_end);
808 				nb_peer_eth_addrs++;
809 			}
810 #endif
811 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
812 				struct in_addr in;
813 				char *end;
814 
815 				end = strchr(optarg, ',');
816 				if (end == optarg || !end)
817 					rte_exit(EXIT_FAILURE,
818 						 "Invalid tx-ip: %s", optarg);
819 
820 				*end++ = 0;
821 				if (inet_pton(AF_INET, optarg, &in) == 0)
822 					rte_exit(EXIT_FAILURE,
823 						 "Invalid source IP address: %s\n",
824 						 optarg);
825 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
826 
827 				if (inet_pton(AF_INET, end, &in) == 0)
828 					rte_exit(EXIT_FAILURE,
829 						 "Invalid destination IP address: %s\n",
830 						 optarg);
831 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
832 			}
833 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
834 				char *end = NULL;
835 
836 				errno = 0;
837 				n = strtoul(optarg, &end, 10);
838 				if (errno != 0 || end == optarg ||
839 				    n > UINT16_MAX ||
840 				    !(*end == '\0' || *end == ','))
841 					rte_exit(EXIT_FAILURE,
842 						 "Invalid UDP port: %s\n",
843 						 optarg);
844 				tx_udp_src_port = n;
845 				if (*end == ',') {
846 					char *dst = end + 1;
847 
848 					n = strtoul(dst, &end, 10);
849 					if (errno != 0 || end == dst ||
850 					    n > UINT16_MAX || *end)
851 						rte_exit(EXIT_FAILURE,
852 							 "Invalid destination UDP port: %s\n",
853 							 dst);
854 					tx_udp_dst_port = n;
855 				} else {
856 					tx_udp_dst_port = n;
857 				}
858 
859 			}
860 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
861 				n = atoi(optarg);
862 				if (n > 0 && n <= nb_ports)
863 					nb_fwd_ports = n;
864 				else
865 					rte_exit(EXIT_FAILURE,
866 						 "Invalid port %d\n", n);
867 			}
868 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
869 				n = atoi(optarg);
870 				if (n > 0 && n <= nb_lcores)
871 					nb_fwd_lcores = (uint8_t) n;
872 				else
873 					rte_exit(EXIT_FAILURE,
874 						 "nb-cores should be > 0 and <= %d\n",
875 						 nb_lcores);
876 			}
877 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
878 				parse_fwd_coremask(optarg);
879 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
880 				parse_fwd_portmask(optarg);
881 			if (!strcmp(lgopts[opt_idx].name, "portlist"))
882 				parse_fwd_portlist(optarg);
883 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
884 				numa_support = 0;
885 			if (!strcmp(lgopts[opt_idx].name, "numa"))
886 				numa_support = 1;
887 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
888 				mp_alloc_type = MP_ALLOC_ANON;
889 			}
890 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
891 				if (!strcmp(optarg, "native"))
892 					mp_alloc_type = MP_ALLOC_NATIVE;
893 				else if (!strcmp(optarg, "anon"))
894 					mp_alloc_type = MP_ALLOC_ANON;
895 				else if (!strcmp(optarg, "xmem"))
896 					mp_alloc_type = MP_ALLOC_XMEM;
897 				else if (!strcmp(optarg, "xmemhuge"))
898 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
899 				else if (!strcmp(optarg, "xbuf"))
900 					mp_alloc_type = MP_ALLOC_XBUF;
901 				else
902 					rte_exit(EXIT_FAILURE,
903 						"mp-alloc %s invalid - must be: "
904 						"native, anon, xmem or xmemhuge\n",
905 						 optarg);
906 			}
907 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
908 				if (parse_portnuma_config(optarg))
909 					rte_exit(EXIT_FAILURE,
910 					   "invalid port-numa configuration\n");
911 			}
912 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
913 				if (parse_ringnuma_config(optarg))
914 					rte_exit(EXIT_FAILURE,
915 					   "invalid ring-numa configuration\n");
916 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
917 				n = atoi(optarg);
918 				if (!new_socket_id((uint8_t)n)) {
919 					socket_num = (uint8_t)n;
920 				} else {
921 					print_invalid_socket_id_error();
922 					rte_exit(EXIT_FAILURE,
923 						"Invalid socket id");
924 				}
925 			}
926 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
927 				unsigned int mb_sz[MAX_SEGS_BUFFER_SPLIT];
928 				unsigned int nb_segs, i;
929 
930 				nb_segs = parse_item_list(optarg, "mbuf-size",
931 					MAX_SEGS_BUFFER_SPLIT, mb_sz, 0);
932 				if (nb_segs <= 0)
933 					rte_exit(EXIT_FAILURE,
934 						 "bad mbuf-size\n");
935 				for (i = 0; i < nb_segs; i++) {
936 					if (mb_sz[i] <= 0 || mb_sz[i] > 0xFFFF)
937 						rte_exit(EXIT_FAILURE,
938 							 "mbuf-size should be "
939 							 "> 0 and < 65536\n");
940 					mbuf_data_size[i] = (uint16_t) mb_sz[i];
941 				}
942 				mbuf_data_size_n = nb_segs;
943 			}
944 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
945 				n = atoi(optarg);
946 				if (n > MIN_TOTAL_NUM_MBUFS)
947 					param_total_num_mbufs = (unsigned)n;
948 				else
949 					rte_exit(EXIT_FAILURE,
950 						 "total-num-mbufs should be > %d\n",
951 						 MIN_TOTAL_NUM_MBUFS);
952 			}
953 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
954 				n = atoi(optarg);
955 				if (n >= RTE_ETHER_MIN_LEN)
956 					max_rx_pkt_len = n;
957 				else
958 					rte_exit(EXIT_FAILURE,
959 						 "Invalid max-pkt-len=%d - should be > %d\n",
960 						 n, RTE_ETHER_MIN_LEN);
961 			}
962 			if (!strcmp(lgopts[opt_idx].name, "max-lro-pkt-size")) {
963 				n = atoi(optarg);
964 				rx_mode.max_lro_pkt_size = (uint32_t) n;
965 			}
966 #ifdef RTE_LIB_LATENCYSTATS
967 			if (!strcmp(lgopts[opt_idx].name,
968 				    "latencystats")) {
969 				n = atoi(optarg);
970 				if (n >= 0) {
971 					latencystats_lcore_id = (lcoreid_t) n;
972 					latencystats_enabled = 1;
973 				} else
974 					rte_exit(EXIT_FAILURE,
975 						 "invalid lcore id %d for latencystats"
976 						 " must be >= 0\n", n);
977 			}
978 #endif
979 #ifdef RTE_LIB_BITRATESTATS
980 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
981 				n = atoi(optarg);
982 				if (n >= 0) {
983 					bitrate_lcore_id = (lcoreid_t) n;
984 					bitrate_enabled = 1;
985 				} else
986 					rte_exit(EXIT_FAILURE,
987 						 "invalid lcore id %d for bitrate stats"
988 						 " must be >= 0\n", n);
989 			}
990 #endif
991 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
992 				rx_offloads |= RTE_ETH_RX_OFFLOAD_KEEP_CRC;
993 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
994 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TCP_LRO;
995 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
996 				rx_offloads |= RTE_ETH_RX_OFFLOAD_SCATTER;
997 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
998 				rx_offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM;
999 			if (!strcmp(lgopts[opt_idx].name,
1000 					"enable-rx-timestamp"))
1001 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TIMESTAMP;
1002 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
1003 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN;
1004 
1005 			if (!strcmp(lgopts[opt_idx].name,
1006 					"enable-hw-vlan-filter"))
1007 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_FILTER;
1008 
1009 			if (!strcmp(lgopts[opt_idx].name,
1010 					"enable-hw-vlan-strip"))
1011 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
1012 
1013 			if (!strcmp(lgopts[opt_idx].name,
1014 					"enable-hw-vlan-extend"))
1015 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_EXTEND;
1016 
1017 			if (!strcmp(lgopts[opt_idx].name,
1018 					"enable-hw-qinq-strip"))
1019 				rx_offloads |= RTE_ETH_RX_OFFLOAD_QINQ_STRIP;
1020 
1021 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
1022 				rx_drop_en = 1;
1023 
1024 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
1025 				rss_hf = 0;
1026 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
1027 				if (!strcmp(optarg, "paired"))
1028 					port_topology = PORT_TOPOLOGY_PAIRED;
1029 				else if (!strcmp(optarg, "chained"))
1030 					port_topology = PORT_TOPOLOGY_CHAINED;
1031 				else if (!strcmp(optarg, "loop"))
1032 					port_topology = PORT_TOPOLOGY_LOOP;
1033 				else
1034 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
1035 						 " must be: paired, chained or loop\n",
1036 						 optarg);
1037 			}
1038 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
1039 				set_pkt_forwarding_mode(optarg);
1040 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
1041 				rss_hf = RTE_ETH_RSS_IP;
1042 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
1043 				rss_hf = RTE_ETH_RSS_UDP;
1044 			if (!strcmp(lgopts[opt_idx].name, "rss-level-inner"))
1045 				rss_hf |= RTE_ETH_RSS_LEVEL_INNERMOST;
1046 			if (!strcmp(lgopts[opt_idx].name, "rss-level-outer"))
1047 				rss_hf |= RTE_ETH_RSS_LEVEL_OUTERMOST;
1048 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
1049 				n = atoi(optarg);
1050 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
1051 					nb_rxq = (queueid_t) n;
1052 				else
1053 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
1054 						  " >= 0 && <= %u\n", n,
1055 						  get_allowed_max_nb_rxq(&pid));
1056 			}
1057 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
1058 				n = atoi(optarg);
1059 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
1060 					nb_txq = (queueid_t) n;
1061 				else
1062 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1063 						  " >= 0 && <= %u\n", n,
1064 						  get_allowed_max_nb_txq(&pid));
1065 			}
1066 			if (!strcmp(lgopts[opt_idx].name, "hairpinq")) {
1067 				n = atoi(optarg);
1068 				if (n >= 0 &&
1069 				    check_nb_hairpinq((queueid_t)n) == 0)
1070 					nb_hairpinq = (queueid_t) n;
1071 				else
1072 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1073 						  " >= 0 && <= %u\n", n,
1074 						  get_allowed_max_nb_hairpinq
1075 						  (&pid));
1076 				if ((n + nb_txq) < 0 ||
1077 				    check_nb_txq((queueid_t)(n + nb_txq)) != 0)
1078 					rte_exit(EXIT_FAILURE, "txq + hairpinq "
1079 						 "%d invalid - must be"
1080 						  " >= 0 && <= %u\n",
1081 						  n + nb_txq,
1082 						  get_allowed_max_nb_txq(&pid));
1083 				if ((n + nb_rxq) < 0 ||
1084 				    check_nb_rxq((queueid_t)(n + nb_rxq)) != 0)
1085 					rte_exit(EXIT_FAILURE, "rxq + hairpinq "
1086 						 "%d invalid - must be"
1087 						  " >= 0 && <= %u\n",
1088 						  n + nb_rxq,
1089 						  get_allowed_max_nb_rxq(&pid));
1090 			}
1091 			if (!nb_rxq && !nb_txq) {
1092 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
1093 						"be non-zero\n");
1094 			}
1095 			if (!strcmp(lgopts[opt_idx].name, "hairpin-mode")) {
1096 				char *end = NULL;
1097 				unsigned int n;
1098 
1099 				errno = 0;
1100 				n = strtoul(optarg, &end, 0);
1101 				if (errno != 0 || end == optarg)
1102 					rte_exit(EXIT_FAILURE, "hairpin mode invalid\n");
1103 				else
1104 					hairpin_mode = (uint32_t)n;
1105 			}
1106 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
1107 				n = atoi(optarg);
1108 				if (n == 0) {
1109 					/* A burst size of zero means that the
1110 					 * PMD should be queried for
1111 					 * recommended Rx burst size. Since
1112 					 * testpmd uses a single size for all
1113 					 * ports, port 0 is queried for the
1114 					 * value, on the assumption that all
1115 					 * ports are of the same NIC model.
1116 					 */
1117 					ret = eth_dev_info_get_print_err(
1118 								0,
1119 								&dev_info);
1120 					if (ret != 0)
1121 						return;
1122 
1123 					rec_nb_pkts = dev_info
1124 						.default_rxportconf.burst_size;
1125 
1126 					if (rec_nb_pkts == 0)
1127 						rte_exit(EXIT_FAILURE,
1128 							"PMD does not recommend a burst size. "
1129 							"Provided value must be between "
1130 							"1 and %d\n", MAX_PKT_BURST);
1131 					else if (rec_nb_pkts > MAX_PKT_BURST)
1132 						rte_exit(EXIT_FAILURE,
1133 							"PMD recommended burst size of %d"
1134 							" exceeds maximum value of %d\n",
1135 							rec_nb_pkts, MAX_PKT_BURST);
1136 					printf("Using PMD-provided burst value of %d\n",
1137 						rec_nb_pkts);
1138 					nb_pkt_per_burst = rec_nb_pkts;
1139 				} else if (n > MAX_PKT_BURST)
1140 					rte_exit(EXIT_FAILURE,
1141 						"burst must be between1 and %d\n",
1142 						MAX_PKT_BURST);
1143 				else
1144 					nb_pkt_per_burst = (uint16_t) n;
1145 			}
1146 			if (!strcmp(lgopts[opt_idx].name, "flowgen-clones")) {
1147 				n = atoi(optarg);
1148 				if (n >= 0)
1149 					nb_pkt_flowgen_clones = (uint16_t) n;
1150 				else
1151 					rte_exit(EXIT_FAILURE,
1152 						 "clones must be >= 0 and <= current burst\n");
1153 			}
1154 			if (!strcmp(lgopts[opt_idx].name, "flowgen-flows")) {
1155 				n = atoi(optarg);
1156 				if (n > 0)
1157 					nb_flows_flowgen = (int) n;
1158 				else
1159 					rte_exit(EXIT_FAILURE,
1160 						 "flows must be >= 1\n");
1161 			}
1162 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1163 				n = atoi(optarg);
1164 				if ((n >= 0) &&
1165 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1166 					mb_mempool_cache = (uint16_t) n;
1167 				else
1168 					rte_exit(EXIT_FAILURE,
1169 						 "mbcache must be >= 0 and <= %d\n",
1170 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1171 			}
1172 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1173 				n = atoi(optarg);
1174 				if (n >= 0)
1175 					tx_free_thresh = (int16_t)n;
1176 				else
1177 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1178 			}
1179 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1180 				n = atoi(optarg);
1181 				if (n >= 0)
1182 					tx_rs_thresh = (int16_t)n;
1183 				else
1184 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1185 			}
1186 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1187 				n = atoi(optarg);
1188 				if (n > 0) {
1189 					if (rx_free_thresh >= n)
1190 						rte_exit(EXIT_FAILURE,
1191 							 "rxd must be > "
1192 							 "rx_free_thresh(%d)\n",
1193 							 (int)rx_free_thresh);
1194 					else
1195 						nb_rxd = (uint16_t) n;
1196 				} else
1197 					rte_exit(EXIT_FAILURE,
1198 						 "rxd(%d) invalid - must be > 0\n",
1199 						 n);
1200 			}
1201 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1202 				n = atoi(optarg);
1203 				if (n > 0)
1204 					nb_txd = (uint16_t) n;
1205 				else
1206 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1207 			}
1208 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1209 				n = atoi(optarg);
1210 				if (n >= 0)
1211 					tx_pthresh = (int8_t)n;
1212 				else
1213 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1214 			}
1215 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1216 				n = atoi(optarg);
1217 				if (n >= 0)
1218 					tx_hthresh = (int8_t)n;
1219 				else
1220 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1221 			}
1222 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1223 				n = atoi(optarg);
1224 				if (n >= 0)
1225 					tx_wthresh = (int8_t)n;
1226 				else
1227 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1228 			}
1229 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1230 				n = atoi(optarg);
1231 				if (n >= 0)
1232 					rx_pthresh = (int8_t)n;
1233 				else
1234 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1235 			}
1236 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1237 				n = atoi(optarg);
1238 				if (n >= 0)
1239 					rx_hthresh = (int8_t)n;
1240 				else
1241 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1242 			}
1243 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1244 				n = atoi(optarg);
1245 				if (n >= 0)
1246 					rx_wthresh = (int8_t)n;
1247 				else
1248 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1249 			}
1250 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1251 				n = atoi(optarg);
1252 				if (n >= 0)
1253 					rx_free_thresh = (int16_t)n;
1254 				else
1255 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1256 			}
1257 			if (!strcmp(lgopts[opt_idx].name, "rxoffs")) {
1258 				unsigned int seg_off[MAX_SEGS_BUFFER_SPLIT];
1259 				unsigned int nb_offs;
1260 
1261 				nb_offs = parse_item_list
1262 						(optarg, "rxpkt offsets",
1263 						 MAX_SEGS_BUFFER_SPLIT,
1264 						 seg_off, 0);
1265 				if (nb_offs > 0)
1266 					set_rx_pkt_offsets(seg_off, nb_offs);
1267 				else
1268 					rte_exit(EXIT_FAILURE, "bad rxoffs\n");
1269 			}
1270 			if (!strcmp(lgopts[opt_idx].name, "rxpkts")) {
1271 				unsigned int seg_len[MAX_SEGS_BUFFER_SPLIT];
1272 				unsigned int nb_segs;
1273 				nb_segs = parse_item_list
1274 						(optarg, "rxpkt segments",
1275 						 MAX_SEGS_BUFFER_SPLIT,
1276 						 seg_len, 0);
1277 				if (nb_segs > 0)
1278 					set_rx_pkt_segments(seg_len, nb_segs);
1279 				else
1280 					rte_exit(EXIT_FAILURE, "bad rxpkts\n");
1281 			}
1282 			if (!strcmp(lgopts[opt_idx].name, "rxhdrs")) {
1283 				unsigned int seg_hdrs[MAX_SEGS_BUFFER_SPLIT];
1284 				unsigned int nb_segs;
1285 
1286 				nb_segs = parse_hdrs_list
1287 						(optarg, "rxpkt segments",
1288 						MAX_SEGS_BUFFER_SPLIT,
1289 						seg_hdrs);
1290 				if (nb_segs > 0)
1291 					set_rx_pkt_hdrs(seg_hdrs, nb_segs);
1292 				else
1293 					rte_exit(EXIT_FAILURE, "bad rxpkts\n");
1294 			}
1295 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1296 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1297 				unsigned int nb_segs;
1298 
1299 				nb_segs = parse_item_list(optarg, "txpkt segments",
1300 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1301 				if (nb_segs > 0)
1302 					set_tx_pkt_segments(seg_lengths, nb_segs);
1303 				else
1304 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1305 			}
1306 			if (!strcmp(lgopts[opt_idx].name, "multi-rx-mempool"))
1307 				multi_rx_mempool = 1;
1308 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1309 				txonly_multi_flow = 1;
1310 			if (!strcmp(lgopts[opt_idx].name, "rxq-share")) {
1311 				if (optarg == NULL) {
1312 					rxq_share = UINT32_MAX;
1313 				} else {
1314 					n = atoi(optarg);
1315 					if (n >= 0)
1316 						rxq_share = (uint32_t)n;
1317 					else
1318 						rte_exit(EXIT_FAILURE, "rxq-share must be >= 0\n");
1319 				}
1320 			}
1321 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1322 				no_flush_rx = 1;
1323 			if (!strcmp(lgopts[opt_idx].name, "eth-link-speed")) {
1324 				n = atoi(optarg);
1325 				if (n >= 0 && parse_link_speed(n) > 0)
1326 					eth_link_speed = parse_link_speed(n);
1327 			}
1328 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1329 				no_link_check = 1;
1330 			if (!strcmp(lgopts[opt_idx].name, "disable-device-start"))
1331 				no_device_start = 1;
1332 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1333 				lsc_interrupt = 0;
1334 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1335 				rmv_interrupt = 0;
1336 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1337 				flow_isolate_all = 1;
1338 			if (!strcmp(lgopts[opt_idx].name, "disable-flow-flush"))
1339 				no_flow_flush = 1;
1340 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1341 				char *end = NULL;
1342 				n = strtoull(optarg, &end, 16);
1343 				if (n >= 0)
1344 					tx_offloads = (uint64_t)n;
1345 				else
1346 					rte_exit(EXIT_FAILURE,
1347 						 "tx-offloads must be >= 0\n");
1348 			}
1349 
1350 			if (!strcmp(lgopts[opt_idx].name, "rx-offloads")) {
1351 				char *end = NULL;
1352 				n = strtoull(optarg, &end, 16);
1353 				if (n >= 0)
1354 					rx_offloads = (uint64_t)n;
1355 				else
1356 					rte_exit(EXIT_FAILURE,
1357 						 "rx-offloads must be >= 0\n");
1358 			}
1359 
1360 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1361 				n = atoi(optarg);
1362 				if (n >= 0)
1363 					vxlan_gpe_udp_port = (uint16_t)n;
1364 				else
1365 					rte_exit(EXIT_FAILURE,
1366 						 "vxlan-gpe-port must be >= 0\n");
1367 			}
1368 			if (!strcmp(lgopts[opt_idx].name,
1369 				    "geneve-parsed-port")) {
1370 				n = atoi(optarg);
1371 				if (n >= 0)
1372 					geneve_udp_port = (uint16_t)n;
1373 				else
1374 					rte_exit(EXIT_FAILURE,
1375 						 "geneve-parsed-port must be >= 0\n");
1376 			}
1377 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1378 				if (parse_event_printing_config(optarg, 1)) {
1379 					rte_exit(EXIT_FAILURE,
1380 						 "invalid print-event argument\n");
1381 				}
1382 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1383 				if (parse_event_printing_config(optarg, 0)) {
1384 					rte_exit(EXIT_FAILURE,
1385 						 "invalid mask-event argument\n");
1386 				}
1387 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1388 				hot_plug = 1;
1389 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1390 				do_mlockall = 1;
1391 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1392 				do_mlockall = 0;
1393 			if (!strcmp(lgopts[opt_idx].name,
1394 				    "noisy-tx-sw-buffer-size")) {
1395 				n = atoi(optarg);
1396 				if (n >= 0)
1397 					noisy_tx_sw_bufsz = n;
1398 				else
1399 					rte_exit(EXIT_FAILURE,
1400 						"noisy-tx-sw-buffer-size must be >= 0\n");
1401 			}
1402 			if (!strcmp(lgopts[opt_idx].name,
1403 				    "noisy-tx-sw-buffer-flushtime")) {
1404 				n = atoi(optarg);
1405 				if (n >= 0)
1406 					noisy_tx_sw_buf_flush_time = n;
1407 				else
1408 					rte_exit(EXIT_FAILURE,
1409 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1410 			}
1411 			if (!strcmp(lgopts[opt_idx].name,
1412 				    "noisy-lkup-memory")) {
1413 				n = atoi(optarg);
1414 				if (n >= 0)
1415 					noisy_lkup_mem_sz = n;
1416 				else
1417 					rte_exit(EXIT_FAILURE,
1418 						 "noisy-lkup-memory must be >= 0\n");
1419 			}
1420 			if (!strcmp(lgopts[opt_idx].name,
1421 				    "noisy-lkup-num-writes")) {
1422 				n = atoi(optarg);
1423 				if (n >= 0)
1424 					noisy_lkup_num_writes = n;
1425 				else
1426 					rte_exit(EXIT_FAILURE,
1427 						 "noisy-lkup-num-writes must be >= 0\n");
1428 			}
1429 			if (!strcmp(lgopts[opt_idx].name,
1430 				    "noisy-lkup-num-reads")) {
1431 				n = atoi(optarg);
1432 				if (n >= 0)
1433 					noisy_lkup_num_reads = n;
1434 				else
1435 					rte_exit(EXIT_FAILURE,
1436 						 "noisy-lkup-num-reads must be >= 0\n");
1437 			}
1438 			if (!strcmp(lgopts[opt_idx].name,
1439 				    "noisy-lkup-num-reads-writes")) {
1440 				n = atoi(optarg);
1441 				if (n >= 0)
1442 					noisy_lkup_num_reads_writes = n;
1443 				else
1444 					rte_exit(EXIT_FAILURE,
1445 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1446 			}
1447 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1448 				mempool_flags = RTE_MEMPOOL_F_NO_IOVA_CONTIG;
1449 
1450 			if (!strcmp(lgopts[opt_idx].name, "rx-mq-mode")) {
1451 				char *end = NULL;
1452 				n = strtoul(optarg, &end, 16);
1453 				if (n >= 0 && n <= RTE_ETH_MQ_RX_VMDQ_DCB_RSS)
1454 					rx_mq_mode = (enum rte_eth_rx_mq_mode)n;
1455 				else
1456 					rte_exit(EXIT_FAILURE,
1457 						 "rx-mq-mode must be >= 0 and <= %d\n",
1458 						 RTE_ETH_MQ_RX_VMDQ_DCB_RSS);
1459 			}
1460 			if (!strcmp(lgopts[opt_idx].name, "record-core-cycles"))
1461 				record_core_cycles = 1;
1462 			if (!strcmp(lgopts[opt_idx].name, "record-burst-stats"))
1463 				record_burst_stats = 1;
1464 			if (!strcmp(lgopts[opt_idx].name, PARAM_NUM_PROCS))
1465 				num_procs = atoi(optarg);
1466 			if (!strcmp(lgopts[opt_idx].name, PARAM_PROC_ID))
1467 				proc_id = atoi(optarg);
1468 			break;
1469 		case 'h':
1470 			usage(argv[0]);
1471 			exit(EXIT_SUCCESS);
1472 			break;
1473 		default:
1474 			usage(argv[0]);
1475 			fprintf(stderr, "Invalid option: %s\n", argv[optind]);
1476 			rte_exit(EXIT_FAILURE,
1477 				 "Command line is incomplete or incorrect\n");
1478 			break;
1479 		}
1480 	}
1481 
1482 	if (optind != argc) {
1483 		usage(argv[0]);
1484 		fprintf(stderr, "Invalid parameter: %s\n", argv[optind]);
1485 		rte_exit(EXIT_FAILURE, "Command line is incorrect\n");
1486 	}
1487 
1488 	if (proc_id >= (int)num_procs)
1489 		rte_exit(EXIT_FAILURE,
1490 			 "The multi-process option '%s(%d)' should be less than '%s(%u)'\n",
1491 			 PARAM_PROC_ID, proc_id,
1492 			 PARAM_NUM_PROCS, num_procs);
1493 
1494 	/* Set offload configuration from command line parameters. */
1495 	rx_mode.offloads = rx_offloads;
1496 	tx_mode.offloads = tx_offloads;
1497 
1498 	if (mempool_flags & RTE_MEMPOOL_F_NO_IOVA_CONTIG &&
1499 	    mp_alloc_type != MP_ALLOC_ANON) {
1500 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1501 				  "mp-alloc=anon. mempool no-iova-contig is "
1502 				  "ignored\n");
1503 		mempool_flags = 0;
1504 	}
1505 }
1506