xref: /dpdk/app/test-pmd/parameters.c (revision 72206323a5dd3182b13f61b25a64abdddfee595c)
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_pci.h>
37 #include <rte_ether.h>
38 #include <rte_ethdev.h>
39 #include <rte_string_fns.h>
40 #include <rte_flow.h>
41 
42 #include "testpmd.h"
43 
44 static void
45 usage(char* progname)
46 {
47 	printf("\nUsage: %s [EAL options] -- [testpmd options]\n\n",
48 	       progname);
49 #ifdef RTE_LIB_CMDLINE
50 	printf("  --interactive: run in interactive mode.\n");
51 	printf("  --cmdline-file: execute cli commands before startup.\n");
52 #endif
53 	printf("  --auto-start: start forwarding on init "
54 	       "[always when non-interactive].\n");
55 	printf("  --help: display this message and quit.\n");
56 	printf("  --tx-first: start forwarding sending a burst first "
57 	       "(only if interactive is disabled).\n");
58 	printf("  --stats-period=PERIOD: statistics will be shown "
59 	       "every PERIOD seconds (only if interactive is disabled).\n");
60 	printf("  --display-xstats xstat_name1[,...]: comma-separated list of "
61 	       "extended statistics to show. Used with --stats-period "
62 	       "specified or interactive commands that show Rx/Tx statistics "
63 	       "(i.e. 'show port stats').\n");
64 	printf("  --num-procs=N: set the total number of multi-process instances.\n");
65 	printf("  --proc-id=id: set the id of the current process from "
66 	       "multi-process instances (0 <= id < num-procs).\n");
67 	printf("  --nb-cores=N: set the number of forwarding cores "
68 	       "(1 <= N <= %d).\n", nb_lcores);
69 	printf("  --nb-ports=N: set the number of forwarding ports "
70 	       "(1 <= N <= %d).\n", nb_ports);
71 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
72 	       "the packet forwarding test. The main lcore is reserved for "
73 	       "command line parsing only, and cannot be masked on for "
74 	       "packet forwarding.\n");
75 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
76 	       "by the packet forwarding test.\n");
77 	printf("  --portlist=PORTLIST: list of forwarding ports\n");
78 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
79 	       "RX memory buffers (mbufs).\n");
80 	printf("  --no-numa: disable NUMA-aware allocation.\n");
81 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
82 	       "specify the socket on which the memory pool "
83 	       "used by the port will be allocated.\n");
84 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
85 	       "specify the socket on which the TX/RX rings for "
86 	       "the port will be allocated "
87 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
88 	printf("  --socket-num=N: set socket from which all memory is allocated "
89 	       "in NUMA mode.\n");
90 	printf("  --mbuf-size=N,[N1[,..Nn]: set the data size of mbuf to "
91 	       "N bytes. If multiple numbers are specified the extra pools "
92 	       "will be created to receive with packet split features\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 	printf("  --pkt-filter-mode=N: set Flow Director mode "
105 	       "(N: none (default mode) or signature or perfect).\n");
106 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
107 	       "(N: none  or match (default) or always).\n");
108 	printf("  --pkt-filter-size=N: set Flow Director mode "
109 	       "(N: 64K (default mode) or 128K or 256K).\n");
110 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
111 	       "In perfect mode, when you add a rule with queue = -1 "
112 	       "the packet will be enqueued into the rx drop-queue. "
113 	       "If the drop-queue doesn't exist, the packet is dropped. "
114 	       "By default drop-queue=127.\n");
115 #ifdef RTE_LIB_LATENCYSTATS
116 	printf("  --latencystats=N: enable latency and jitter statistics "
117 	       "monitoring on forwarding lcore id N.\n");
118 #endif
119 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
120 	printf("  --enable-scatter: enable scattered Rx.\n");
121 	printf("  --enable-lro: enable large receive offload.\n");
122 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
123 	printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
124 	printf("  --enable-hw-vlan: enable hardware vlan.\n");
125 	printf("  --enable-hw-vlan-filter: enable hardware vlan filter.\n");
126 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
127 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
128 	printf("  --enable-hw-qinq-strip: enable hardware qinq strip.\n");
129 	printf("  --enable-drop-en: enable per queue packet drop.\n");
130 	printf("  --disable-rss: disable rss.\n");
131 	printf("  --port-topology=<paired|chained|loop>: set port topology (paired "
132 	       "is default).\n");
133 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
134 	       list_pkt_forwarding_modes());
135 	printf("  --forward-mode=5tswap: set forwarding mode to "
136 			"swap L2,L3,L4 for MAC, IPv4/IPv6 and TCP/UDP only.\n");
137 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
138 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
139 	printf("  --rss-level-inner: set RSS hash level to innermost\n");
140 	printf("  --rss-level-outer: set RSS hash level to outermost\n");
141 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
142 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
143 	printf("  --txq=N: set the number of TX queues per port to N.\n");
144 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
145 	printf("  --hairpinq=N: set the number of hairpin queues per port to "
146 	       "N.\n");
147 	printf("  --burst=N: set the number of packets per burst to N.\n");
148 	printf("  --flowgen-clones=N: set the number of single packet clones to send in flowgen mode. Should be less than burst value.\n");
149 	printf("  --flowgen-flows=N: set the number of flows in flowgen mode to N (1 <= N <= INT32_MAX).\n");
150 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
151 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
152 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
153 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
154 	       "(0 <= N < value of rxd).\n");
155 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
156 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
157 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
158 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
159 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
160 	       "(0 <= N <= value of txd).\n");
161 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
162 	       "(0 <= N <= value of txd).\n");
163 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
164 	       " Used mainly with PCAP drivers.\n");
165 	printf("  --rxoffs=X[,Y]*: set RX segment offsets for split.\n");
166 	printf("  --rxpkts=X[,Y]*: set RX segment sizes to split.\n");
167 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
168 		" or total packet length.\n");
169 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
170 	printf("  --tx-ip=src,dst: IP addresses in Tx-only mode\n");
171 	printf("  --tx-udp=src[,dst]: UDP ports in Tx-only mode\n");
172 	printf("  --eth-link-speed: force link speed.\n");
173 	printf("  --rxq-share=X: number of ports per shared Rx queue groups, defaults to UINT32_MAX (1 group)\n");
174 	printf("  --disable-link-check: disable check on link status when "
175 	       "starting/stopping ports.\n");
176 	printf("  --disable-device-start: do not automatically start port\n");
177 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
178 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
179 	printf("  --bitrate-stats=N: set the logical core N to perform "
180 		"bit-rate calculation.\n");
181 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
182 	       "enable print of designated event or all of them.\n");
183 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
184 	       "disable print of designated event or all of them.\n");
185 	printf("  --flow-isolate-all: "
186 	       "requests flow API isolated mode on all ports at initialization time.\n");
187 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
188 	printf("  --rx-offloads=0xXXXXXXXX: hexadecimal bitmask of RX queue offloads\n");
189 	printf("  --hot-plug: enable hot plug for device.\n");
190 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
191 	printf("  --geneve-parsed-port=N: UPD port to parse GENEVE tunnel protocol\n");
192 #ifndef RTE_EXEC_ENV_WINDOWS
193 	printf("  --mlockall: lock all memory\n");
194 	printf("  --no-mlockall: do not lock all memory\n");
195 #endif
196 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
197 	       "    native: use regular DPDK memory to create and populate mempool\n"
198 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
199 	       "    xmem: use anonymous memory to create and populate mempool\n"
200 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
201 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
202 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
203 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
204 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
205 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
206 	printf("  --noisy-lkup-num-reads-writes=N: do N random reads and writes per packet\n");
207 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
208 	       "valid only with --mp-alloc=anon\n");
209 	printf("  --rx-mq-mode=0xX: hexadecimal bitmask of RX mq mode can be "
210 	       "enabled\n");
211 	printf("  --record-core-cycles: enable measurement of CPU cycles.\n");
212 	printf("  --record-burst-stats: enable display of RX and TX bursts.\n");
213 	printf("  --hairpin-mode=0xXX: bitmask set the hairpin port mode.\n"
214 	       "    0x10 - explicit Tx rule, 0x02 - hairpin ports paired\n"
215 	       "    0x01 - hairpin ports loop, 0x00 - hairpin port self\n");
216 }
217 
218 #ifdef RTE_LIB_CMDLINE
219 static int
220 init_peer_eth_addrs(const char *config_filename)
221 {
222 	FILE *config_file;
223 	portid_t i;
224 	char buf[50];
225 
226 	config_file = fopen(config_filename, "r");
227 	if (config_file == NULL) {
228 		perror("Failed to open eth config file\n");
229 		return -1;
230 	}
231 
232 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
233 
234 		if (fgets(buf, sizeof(buf), config_file) == NULL)
235 			break;
236 
237 		if (rte_ether_unformat_addr(buf, &peer_eth_addrs[i]) < 0) {
238 			fprintf(stderr, "Bad MAC address format on line %d\n",
239 				i + 1);
240 			fclose(config_file);
241 			return -1;
242 		}
243 	}
244 	fclose(config_file);
245 	nb_peer_eth_addrs = (portid_t) i;
246 	return 0;
247 }
248 #endif
249 
250 /*
251  * Parse the coremask given as argument (hexadecimal string) and set
252  * the global configuration of forwarding cores.
253  */
254 static void
255 parse_fwd_coremask(const char *coremask)
256 {
257 	char *end;
258 	unsigned long long int cm;
259 
260 	/* parse hexadecimal string */
261 	end = NULL;
262 	cm = strtoull(coremask, &end, 16);
263 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
264 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
265 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
266 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
267 }
268 
269 /*
270  * Parse the coremask given as argument (hexadecimal string) and set
271  * the global configuration of forwarding cores.
272  */
273 static void
274 parse_fwd_portmask(const char *portmask)
275 {
276 	char *end;
277 	unsigned long long int pm;
278 
279 	/* parse hexadecimal string */
280 	end = NULL;
281 	pm = strtoull(portmask, &end, 16);
282 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
283 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
284 	else
285 		set_fwd_ports_mask((uint64_t) pm);
286 }
287 
288 static void
289 print_invalid_socket_id_error(void)
290 {
291 	unsigned int i = 0;
292 
293 	fprintf(stderr, "Invalid socket id, options are: ");
294 	for (i = 0; i < num_sockets; i++) {
295 		fprintf(stderr, "%u%s", socket_ids[i],
296 			(i == num_sockets - 1) ? "\n" : ",");
297 	}
298 }
299 
300 static int
301 parse_portnuma_config(const char *q_arg)
302 {
303 	char s[256];
304 	const char *p, *p0 = q_arg;
305 	char *end;
306 	uint8_t i, socket_id;
307 	portid_t port_id;
308 	unsigned size;
309 	enum fieldnames {
310 		FLD_PORT = 0,
311 		FLD_SOCKET,
312 		_NUM_FLD
313 	};
314 	unsigned long int_fld[_NUM_FLD];
315 	char *str_fld[_NUM_FLD];
316 
317 	/* reset from value set at definition */
318 	while ((p = strchr(p0,'(')) != NULL) {
319 		++p;
320 		if((p0 = strchr(p,')')) == NULL)
321 			return -1;
322 
323 		size = p0 - p;
324 		if(size >= sizeof(s))
325 			return -1;
326 
327 		snprintf(s, sizeof(s), "%.*s", size, p);
328 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
329 			return -1;
330 		for (i = 0; i < _NUM_FLD; i++) {
331 			errno = 0;
332 			int_fld[i] = strtoul(str_fld[i], &end, 0);
333 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
334 				return -1;
335 		}
336 		port_id = (portid_t)int_fld[FLD_PORT];
337 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
338 			port_id == (portid_t)RTE_PORT_ALL) {
339 			print_valid_ports();
340 			return -1;
341 		}
342 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
343 		if (new_socket_id(socket_id)) {
344 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
345 				print_invalid_socket_id_error();
346 				return -1;
347 			}
348 			socket_ids[num_sockets++] = socket_id;
349 		}
350 		port_numa[port_id] = socket_id;
351 	}
352 
353 	return 0;
354 }
355 
356 static int
357 parse_ringnuma_config(const char *q_arg)
358 {
359 	char s[256];
360 	const char *p, *p0 = q_arg;
361 	char *end;
362 	uint8_t i, ring_flag, socket_id;
363 	portid_t port_id;
364 	unsigned size;
365 	enum fieldnames {
366 		FLD_PORT = 0,
367 		FLD_FLAG,
368 		FLD_SOCKET,
369 		_NUM_FLD
370 	};
371 	unsigned long int_fld[_NUM_FLD];
372 	char *str_fld[_NUM_FLD];
373 	#define RX_RING_ONLY 0x1
374 	#define TX_RING_ONLY 0x2
375 	#define RXTX_RING    0x3
376 
377 	/* reset from value set at definition */
378 	while ((p = strchr(p0,'(')) != NULL) {
379 		++p;
380 		if((p0 = strchr(p,')')) == NULL)
381 			return -1;
382 
383 		size = p0 - p;
384 		if(size >= sizeof(s))
385 			return -1;
386 
387 		snprintf(s, sizeof(s), "%.*s", size, p);
388 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
389 			return -1;
390 		for (i = 0; i < _NUM_FLD; i++) {
391 			errno = 0;
392 			int_fld[i] = strtoul(str_fld[i], &end, 0);
393 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
394 				return -1;
395 		}
396 		port_id = (portid_t)int_fld[FLD_PORT];
397 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
398 			port_id == (portid_t)RTE_PORT_ALL) {
399 			print_valid_ports();
400 			return -1;
401 		}
402 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
403 		if (new_socket_id(socket_id)) {
404 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
405 				print_invalid_socket_id_error();
406 				return -1;
407 			}
408 			socket_ids[num_sockets++] = socket_id;
409 		}
410 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
411 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
412 			fprintf(stderr,
413 				"Invalid ring-flag=%d config for port =%d\n",
414 				ring_flag,port_id);
415 			return -1;
416 		}
417 
418 		switch (ring_flag & RXTX_RING) {
419 		case RX_RING_ONLY:
420 			rxring_numa[port_id] = socket_id;
421 			break;
422 		case TX_RING_ONLY:
423 			txring_numa[port_id] = socket_id;
424 			break;
425 		case RXTX_RING:
426 			rxring_numa[port_id] = socket_id;
427 			txring_numa[port_id] = socket_id;
428 			break;
429 		default:
430 			fprintf(stderr,
431 				"Invalid ring-flag=%d config for port=%d\n",
432 				ring_flag,port_id);
433 			break;
434 		}
435 	}
436 
437 	return 0;
438 }
439 
440 static int
441 parse_event_printing_config(const char *optarg, int enable)
442 {
443 	uint32_t mask = 0;
444 
445 	if (!strcmp(optarg, "unknown"))
446 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
447 	else if (!strcmp(optarg, "intr_lsc"))
448 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
449 	else if (!strcmp(optarg, "queue_state"))
450 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
451 	else if (!strcmp(optarg, "intr_reset"))
452 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
453 	else if (!strcmp(optarg, "vf_mbox"))
454 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
455 	else if (!strcmp(optarg, "ipsec"))
456 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
457 	else if (!strcmp(optarg, "macsec"))
458 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
459 	else if (!strcmp(optarg, "intr_rmv"))
460 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
461 	else if (!strcmp(optarg, "dev_probed"))
462 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
463 	else if (!strcmp(optarg, "dev_released"))
464 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
465 	else if (!strcmp(optarg, "flow_aged"))
466 		mask = UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED;
467 	else if (!strcmp(optarg, "all"))
468 		mask = ~UINT32_C(0);
469 	else {
470 		fprintf(stderr, "Invalid event: %s\n", optarg);
471 		return -1;
472 	}
473 	if (enable)
474 		event_print_mask |= mask;
475 	else
476 		event_print_mask &= ~mask;
477 	return 0;
478 }
479 
480 static int
481 parse_xstats_list(const char *in_str, struct rte_eth_xstat_name **xstats,
482 		  unsigned int *xstats_num)
483 {
484 	int max_names_nb, names_nb, nonempty_names_nb;
485 	int name, nonempty_name;
486 	int stringlen;
487 	char **names;
488 	char *str;
489 	int ret;
490 	int i;
491 
492 	names = NULL;
493 	str = strdup(in_str);
494 	if (str == NULL) {
495 		ret = -ENOMEM;
496 		goto out;
497 	}
498 	stringlen = strlen(str);
499 
500 	for (i = 0, max_names_nb = 1; str[i] != '\0'; i++) {
501 		if (str[i] == ',')
502 			max_names_nb++;
503 	}
504 
505 	names = calloc(max_names_nb, sizeof(*names));
506 	if (names == NULL) {
507 		ret = -ENOMEM;
508 		goto out;
509 	}
510 
511 	names_nb = rte_strsplit(str, stringlen, names, max_names_nb, ',');
512 	if (names_nb < 0) {
513 		ret = -EINVAL;
514 		goto out;
515 	}
516 
517 	nonempty_names_nb = 0;
518 	for (i = 0; i < names_nb; i++) {
519 		if (names[i][0] == '\0')
520 			continue;
521 		nonempty_names_nb++;
522 	}
523 	*xstats = calloc(nonempty_names_nb, sizeof(**xstats));
524 	if (*xstats == NULL) {
525 		ret = -ENOMEM;
526 		goto out;
527 	}
528 
529 	for (name = nonempty_name = 0; name < names_nb; name++) {
530 		if (names[name][0] == '\0')
531 			continue;
532 		rte_strscpy((*xstats)[nonempty_name].name, names[name],
533 			    sizeof((*xstats)[nonempty_name].name));
534 		nonempty_name++;
535 	}
536 
537 	*xstats_num = nonempty_names_nb;
538 	ret = 0;
539 
540 out:
541 	free(names);
542 	free(str);
543 	return ret;
544 }
545 
546 static int
547 parse_link_speed(int n)
548 {
549 	uint32_t speed = RTE_ETH_LINK_SPEED_FIXED;
550 
551 	switch (n) {
552 	case 1000:
553 		speed |= RTE_ETH_LINK_SPEED_1G;
554 		break;
555 	case 10000:
556 		speed |= RTE_ETH_LINK_SPEED_10G;
557 		break;
558 	case 25000:
559 		speed |= RTE_ETH_LINK_SPEED_25G;
560 		break;
561 	case 40000:
562 		speed |= RTE_ETH_LINK_SPEED_40G;
563 		break;
564 	case 50000:
565 		speed |= RTE_ETH_LINK_SPEED_50G;
566 		break;
567 	case 100000:
568 		speed |= RTE_ETH_LINK_SPEED_100G;
569 		break;
570 	case 200000:
571 		speed |= RTE_ETH_LINK_SPEED_200G;
572 		break;
573 	case 100:
574 	case 10:
575 	default:
576 		fprintf(stderr, "Unsupported fixed speed\n");
577 		return 0;
578 	}
579 
580 	return speed;
581 }
582 
583 void
584 launch_args_parse(int argc, char** argv)
585 {
586 #define PARAM_PROC_ID "proc-id"
587 #define PARAM_NUM_PROCS "num-procs"
588 
589 	int n, opt;
590 	char **argvopt;
591 	int opt_idx;
592 	portid_t pid;
593 	enum { TX, RX };
594 	/* Default offloads for all ports. */
595 	uint64_t rx_offloads = rx_mode.offloads;
596 	uint64_t tx_offloads = tx_mode.offloads;
597 	struct rte_eth_dev_info dev_info;
598 	uint16_t rec_nb_pkts;
599 	int ret;
600 
601 	static struct option lgopts[] = {
602 		{ "help",			0, 0, 0 },
603 #ifdef RTE_LIB_CMDLINE
604 		{ "interactive",		0, 0, 0 },
605 		{ "cmdline-file",		1, 0, 0 },
606 		{ "auto-start",			0, 0, 0 },
607 		{ "eth-peers-configfile",	1, 0, 0 },
608 		{ "eth-peer",			1, 0, 0 },
609 #endif
610 		{ "tx-first",			0, 0, 0 },
611 		{ "stats-period",		1, 0, 0 },
612 		{ "display-xstats",		1, 0, 0 },
613 		{ "nb-cores",			1, 0, 0 },
614 		{ "nb-ports",			1, 0, 0 },
615 		{ "coremask",			1, 0, 0 },
616 		{ "portmask",			1, 0, 0 },
617 		{ "portlist",			1, 0, 0 },
618 		{ "numa",			0, 0, 0 },
619 		{ "no-numa",			0, 0, 0 },
620 		{ "mp-anon",			0, 0, 0 }, /* deprecated */
621 		{ "port-numa-config",           1, 0, 0 },
622 		{ "ring-numa-config",           1, 0, 0 },
623 		{ "socket-num",			1, 0, 0 },
624 		{ "mbuf-size",			1, 0, 0 },
625 		{ "total-num-mbufs",		1, 0, 0 },
626 		{ "max-pkt-len",		1, 0, 0 },
627 		{ "max-lro-pkt-size",		1, 0, 0 },
628 		{ "pkt-filter-mode",            1, 0, 0 },
629 		{ "pkt-filter-report-hash",     1, 0, 0 },
630 		{ "pkt-filter-size",            1, 0, 0 },
631 		{ "pkt-filter-drop-queue",      1, 0, 0 },
632 #ifdef RTE_LIB_LATENCYSTATS
633 		{ "latencystats",               1, 0, 0 },
634 #endif
635 #ifdef RTE_LIB_BITRATESTATS
636 		{ "bitrate-stats",              1, 0, 0 },
637 #endif
638 		{ "disable-crc-strip",          0, 0, 0 },
639 		{ "enable-lro",                 0, 0, 0 },
640 		{ "enable-rx-cksum",            0, 0, 0 },
641 		{ "enable-rx-timestamp",        0, 0, 0 },
642 		{ "enable-scatter",             0, 0, 0 },
643 		{ "enable-hw-vlan",             0, 0, 0 },
644 		{ "enable-hw-vlan-filter",      0, 0, 0 },
645 		{ "enable-hw-vlan-strip",       0, 0, 0 },
646 		{ "enable-hw-vlan-extend",      0, 0, 0 },
647 		{ "enable-hw-qinq-strip",       0, 0, 0 },
648 		{ "enable-drop-en",            0, 0, 0 },
649 		{ "disable-rss",                0, 0, 0 },
650 		{ "port-topology",              1, 0, 0 },
651 		{ "forward-mode",               1, 0, 0 },
652 		{ "rss-ip",			0, 0, 0 },
653 		{ "rss-udp",			0, 0, 0 },
654 		{ "rss-level-outer",		0, 0, 0 },
655 		{ "rss-level-inner",		0, 0, 0 },
656 		{ "rxq",			1, 0, 0 },
657 		{ "txq",			1, 0, 0 },
658 		{ "rxd",			1, 0, 0 },
659 		{ "txd",			1, 0, 0 },
660 		{ "hairpinq",			1, 0, 0 },
661 		{ "hairpin-mode",		1, 0, 0 },
662 		{ "burst",			1, 0, 0 },
663 		{ "flowgen-clones",		1, 0, 0 },
664 		{ "flowgen-flows",		1, 0, 0 },
665 		{ "mbcache",			1, 0, 0 },
666 		{ "txpt",			1, 0, 0 },
667 		{ "txht",			1, 0, 0 },
668 		{ "txwt",			1, 0, 0 },
669 		{ "txfreet",			1, 0, 0 },
670 		{ "txrst",			1, 0, 0 },
671 		{ "rxpt",			1, 0, 0 },
672 		{ "rxht",			1, 0, 0 },
673 		{ "rxwt",			1, 0, 0 },
674 		{ "rxfreet",                    1, 0, 0 },
675 		{ "no-flush-rx",	0, 0, 0 },
676 		{ "flow-isolate-all",	        0, 0, 0 },
677 		{ "rxoffs",			1, 0, 0 },
678 		{ "rxpkts",			1, 0, 0 },
679 		{ "txpkts",			1, 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 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
967 				if (!strcmp(optarg, "signature"))
968 					fdir_conf.mode =
969 						RTE_FDIR_MODE_SIGNATURE;
970 				else if (!strcmp(optarg, "perfect"))
971 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
972 				else if (!strcmp(optarg, "perfect-mac-vlan"))
973 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
974 				else if (!strcmp(optarg, "perfect-tunnel"))
975 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
976 				else if (!strcmp(optarg, "none"))
977 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
978 				else
979 					rte_exit(EXIT_FAILURE,
980 						 "pkt-mode-invalid %s invalid - must be: "
981 						 "none, signature, perfect, perfect-mac-vlan"
982 						 " or perfect-tunnel\n",
983 						 optarg);
984 			}
985 			if (!strcmp(lgopts[opt_idx].name,
986 				    "pkt-filter-report-hash")) {
987 				if (!strcmp(optarg, "none"))
988 					fdir_conf.status =
989 						RTE_FDIR_NO_REPORT_STATUS;
990 				else if (!strcmp(optarg, "match"))
991 					fdir_conf.status =
992 						RTE_FDIR_REPORT_STATUS;
993 				else if (!strcmp(optarg, "always"))
994 					fdir_conf.status =
995 						RTE_FDIR_REPORT_STATUS_ALWAYS;
996 				else
997 					rte_exit(EXIT_FAILURE,
998 						 "pkt-filter-report-hash %s invalid "
999 						 "- must be: none or match or always\n",
1000 						 optarg);
1001 			}
1002 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
1003 				if (!strcmp(optarg, "64K"))
1004 					fdir_conf.pballoc =
1005 						RTE_ETH_FDIR_PBALLOC_64K;
1006 				else if (!strcmp(optarg, "128K"))
1007 					fdir_conf.pballoc =
1008 						RTE_ETH_FDIR_PBALLOC_128K;
1009 				else if (!strcmp(optarg, "256K"))
1010 					fdir_conf.pballoc =
1011 						RTE_ETH_FDIR_PBALLOC_256K;
1012 				else
1013 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
1014 						 " must be: 64K or 128K or 256K\n",
1015 						 optarg);
1016 			}
1017 			if (!strcmp(lgopts[opt_idx].name,
1018 				    "pkt-filter-drop-queue")) {
1019 				n = atoi(optarg);
1020 				if (n >= 0)
1021 					fdir_conf.drop_queue = (uint8_t) n;
1022 				else
1023 					rte_exit(EXIT_FAILURE,
1024 						 "drop queue %d invalid - must"
1025 						 "be >= 0 \n", n);
1026 			}
1027 #ifdef RTE_LIB_LATENCYSTATS
1028 			if (!strcmp(lgopts[opt_idx].name,
1029 				    "latencystats")) {
1030 				n = atoi(optarg);
1031 				if (n >= 0) {
1032 					latencystats_lcore_id = (lcoreid_t) n;
1033 					latencystats_enabled = 1;
1034 				} else
1035 					rte_exit(EXIT_FAILURE,
1036 						 "invalid lcore id %d for latencystats"
1037 						 " must be >= 0\n", n);
1038 			}
1039 #endif
1040 #ifdef RTE_LIB_BITRATESTATS
1041 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
1042 				n = atoi(optarg);
1043 				if (n >= 0) {
1044 					bitrate_lcore_id = (lcoreid_t) n;
1045 					bitrate_enabled = 1;
1046 				} else
1047 					rte_exit(EXIT_FAILURE,
1048 						 "invalid lcore id %d for bitrate stats"
1049 						 " must be >= 0\n", n);
1050 			}
1051 #endif
1052 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
1053 				rx_offloads |= RTE_ETH_RX_OFFLOAD_KEEP_CRC;
1054 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
1055 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TCP_LRO;
1056 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
1057 				rx_offloads |= RTE_ETH_RX_OFFLOAD_SCATTER;
1058 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
1059 				rx_offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM;
1060 			if (!strcmp(lgopts[opt_idx].name,
1061 					"enable-rx-timestamp"))
1062 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TIMESTAMP;
1063 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
1064 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN;
1065 
1066 			if (!strcmp(lgopts[opt_idx].name,
1067 					"enable-hw-vlan-filter"))
1068 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_FILTER;
1069 
1070 			if (!strcmp(lgopts[opt_idx].name,
1071 					"enable-hw-vlan-strip"))
1072 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
1073 
1074 			if (!strcmp(lgopts[opt_idx].name,
1075 					"enable-hw-vlan-extend"))
1076 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_EXTEND;
1077 
1078 			if (!strcmp(lgopts[opt_idx].name,
1079 					"enable-hw-qinq-strip"))
1080 				rx_offloads |= RTE_ETH_RX_OFFLOAD_QINQ_STRIP;
1081 
1082 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
1083 				rx_drop_en = 1;
1084 
1085 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
1086 				rss_hf = 0;
1087 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
1088 				if (!strcmp(optarg, "paired"))
1089 					port_topology = PORT_TOPOLOGY_PAIRED;
1090 				else if (!strcmp(optarg, "chained"))
1091 					port_topology = PORT_TOPOLOGY_CHAINED;
1092 				else if (!strcmp(optarg, "loop"))
1093 					port_topology = PORT_TOPOLOGY_LOOP;
1094 				else
1095 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
1096 						 " must be: paired, chained or loop\n",
1097 						 optarg);
1098 			}
1099 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
1100 				set_pkt_forwarding_mode(optarg);
1101 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
1102 				rss_hf = RTE_ETH_RSS_IP;
1103 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
1104 				rss_hf = RTE_ETH_RSS_UDP;
1105 			if (!strcmp(lgopts[opt_idx].name, "rss-level-inner"))
1106 				rss_hf |= RTE_ETH_RSS_LEVEL_INNERMOST;
1107 			if (!strcmp(lgopts[opt_idx].name, "rss-level-outer"))
1108 				rss_hf |= RTE_ETH_RSS_LEVEL_OUTERMOST;
1109 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
1110 				n = atoi(optarg);
1111 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
1112 					nb_rxq = (queueid_t) n;
1113 				else
1114 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
1115 						  " >= 0 && <= %u\n", n,
1116 						  get_allowed_max_nb_rxq(&pid));
1117 			}
1118 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
1119 				n = atoi(optarg);
1120 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
1121 					nb_txq = (queueid_t) n;
1122 				else
1123 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1124 						  " >= 0 && <= %u\n", n,
1125 						  get_allowed_max_nb_txq(&pid));
1126 			}
1127 			if (!strcmp(lgopts[opt_idx].name, "hairpinq")) {
1128 				n = atoi(optarg);
1129 				if (n >= 0 &&
1130 				    check_nb_hairpinq((queueid_t)n) == 0)
1131 					nb_hairpinq = (queueid_t) n;
1132 				else
1133 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1134 						  " >= 0 && <= %u\n", n,
1135 						  get_allowed_max_nb_hairpinq
1136 						  (&pid));
1137 				if ((n + nb_txq) < 0 ||
1138 				    check_nb_txq((queueid_t)(n + nb_txq)) != 0)
1139 					rte_exit(EXIT_FAILURE, "txq + hairpinq "
1140 						 "%d invalid - must be"
1141 						  " >= 0 && <= %u\n",
1142 						  n + nb_txq,
1143 						  get_allowed_max_nb_txq(&pid));
1144 				if ((n + nb_rxq) < 0 ||
1145 				    check_nb_rxq((queueid_t)(n + nb_rxq)) != 0)
1146 					rte_exit(EXIT_FAILURE, "rxq + hairpinq "
1147 						 "%d invalid - must be"
1148 						  " >= 0 && <= %u\n",
1149 						  n + nb_rxq,
1150 						  get_allowed_max_nb_rxq(&pid));
1151 			}
1152 			if (!nb_rxq && !nb_txq) {
1153 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
1154 						"be non-zero\n");
1155 			}
1156 			if (!strcmp(lgopts[opt_idx].name, "hairpin-mode")) {
1157 				char *end = NULL;
1158 				unsigned int n;
1159 
1160 				errno = 0;
1161 				n = strtoul(optarg, &end, 0);
1162 				if (errno != 0 || end == optarg)
1163 					rte_exit(EXIT_FAILURE, "hairpin mode invalid\n");
1164 				else
1165 					hairpin_mode = (uint16_t)n;
1166 			}
1167 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
1168 				n = atoi(optarg);
1169 				if (n == 0) {
1170 					/* A burst size of zero means that the
1171 					 * PMD should be queried for
1172 					 * recommended Rx burst size. Since
1173 					 * testpmd uses a single size for all
1174 					 * ports, port 0 is queried for the
1175 					 * value, on the assumption that all
1176 					 * ports are of the same NIC model.
1177 					 */
1178 					ret = eth_dev_info_get_print_err(
1179 								0,
1180 								&dev_info);
1181 					if (ret != 0)
1182 						return;
1183 
1184 					rec_nb_pkts = dev_info
1185 						.default_rxportconf.burst_size;
1186 
1187 					if (rec_nb_pkts == 0)
1188 						rte_exit(EXIT_FAILURE,
1189 							"PMD does not recommend a burst size. "
1190 							"Provided value must be between "
1191 							"1 and %d\n", MAX_PKT_BURST);
1192 					else if (rec_nb_pkts > MAX_PKT_BURST)
1193 						rte_exit(EXIT_FAILURE,
1194 							"PMD recommended burst size of %d"
1195 							" exceeds maximum value of %d\n",
1196 							rec_nb_pkts, MAX_PKT_BURST);
1197 					printf("Using PMD-provided burst value of %d\n",
1198 						rec_nb_pkts);
1199 					nb_pkt_per_burst = rec_nb_pkts;
1200 				} else if (n > MAX_PKT_BURST)
1201 					rte_exit(EXIT_FAILURE,
1202 						"burst must be between1 and %d\n",
1203 						MAX_PKT_BURST);
1204 				else
1205 					nb_pkt_per_burst = (uint16_t) n;
1206 			}
1207 			if (!strcmp(lgopts[opt_idx].name, "flowgen-clones")) {
1208 				n = atoi(optarg);
1209 				if (n >= 0)
1210 					nb_pkt_flowgen_clones = (uint16_t) n;
1211 				else
1212 					rte_exit(EXIT_FAILURE,
1213 						 "clones must be >= 0 and <= current burst\n");
1214 			}
1215 			if (!strcmp(lgopts[opt_idx].name, "flowgen-flows")) {
1216 				n = atoi(optarg);
1217 				if (n > 0)
1218 					nb_flows_flowgen = (int) n;
1219 				else
1220 					rte_exit(EXIT_FAILURE,
1221 						 "flows must be >= 1\n");
1222 			}
1223 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1224 				n = atoi(optarg);
1225 				if ((n >= 0) &&
1226 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1227 					mb_mempool_cache = (uint16_t) n;
1228 				else
1229 					rte_exit(EXIT_FAILURE,
1230 						 "mbcache must be >= 0 and <= %d\n",
1231 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1232 			}
1233 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1234 				n = atoi(optarg);
1235 				if (n >= 0)
1236 					tx_free_thresh = (int16_t)n;
1237 				else
1238 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1239 			}
1240 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1241 				n = atoi(optarg);
1242 				if (n >= 0)
1243 					tx_rs_thresh = (int16_t)n;
1244 				else
1245 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1246 			}
1247 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1248 				n = atoi(optarg);
1249 				if (n > 0) {
1250 					if (rx_free_thresh >= n)
1251 						rte_exit(EXIT_FAILURE,
1252 							 "rxd must be > "
1253 							 "rx_free_thresh(%d)\n",
1254 							 (int)rx_free_thresh);
1255 					else
1256 						nb_rxd = (uint16_t) n;
1257 				} else
1258 					rte_exit(EXIT_FAILURE,
1259 						 "rxd(%d) invalid - must be > 0\n",
1260 						 n);
1261 			}
1262 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1263 				n = atoi(optarg);
1264 				if (n > 0)
1265 					nb_txd = (uint16_t) n;
1266 				else
1267 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1268 			}
1269 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1270 				n = atoi(optarg);
1271 				if (n >= 0)
1272 					tx_pthresh = (int8_t)n;
1273 				else
1274 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1275 			}
1276 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1277 				n = atoi(optarg);
1278 				if (n >= 0)
1279 					tx_hthresh = (int8_t)n;
1280 				else
1281 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1282 			}
1283 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1284 				n = atoi(optarg);
1285 				if (n >= 0)
1286 					tx_wthresh = (int8_t)n;
1287 				else
1288 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1289 			}
1290 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1291 				n = atoi(optarg);
1292 				if (n >= 0)
1293 					rx_pthresh = (int8_t)n;
1294 				else
1295 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1296 			}
1297 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1298 				n = atoi(optarg);
1299 				if (n >= 0)
1300 					rx_hthresh = (int8_t)n;
1301 				else
1302 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1303 			}
1304 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1305 				n = atoi(optarg);
1306 				if (n >= 0)
1307 					rx_wthresh = (int8_t)n;
1308 				else
1309 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1310 			}
1311 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1312 				n = atoi(optarg);
1313 				if (n >= 0)
1314 					rx_free_thresh = (int16_t)n;
1315 				else
1316 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1317 			}
1318 			if (!strcmp(lgopts[opt_idx].name, "rxoffs")) {
1319 				unsigned int seg_off[MAX_SEGS_BUFFER_SPLIT];
1320 				unsigned int nb_offs;
1321 
1322 				nb_offs = parse_item_list
1323 						(optarg, "rxpkt offsets",
1324 						 MAX_SEGS_BUFFER_SPLIT,
1325 						 seg_off, 0);
1326 				if (nb_offs > 0)
1327 					set_rx_pkt_offsets(seg_off, nb_offs);
1328 				else
1329 					rte_exit(EXIT_FAILURE, "bad rxoffs\n");
1330 			}
1331 			if (!strcmp(lgopts[opt_idx].name, "rxpkts")) {
1332 				unsigned int seg_len[MAX_SEGS_BUFFER_SPLIT];
1333 				unsigned int nb_segs;
1334 
1335 				nb_segs = parse_item_list
1336 						(optarg, "rxpkt segments",
1337 						 MAX_SEGS_BUFFER_SPLIT,
1338 						 seg_len, 0);
1339 				if (nb_segs > 0)
1340 					set_rx_pkt_segments(seg_len, nb_segs);
1341 				else
1342 					rte_exit(EXIT_FAILURE, "bad rxpkts\n");
1343 			}
1344 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1345 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1346 				unsigned int nb_segs;
1347 
1348 				nb_segs = parse_item_list(optarg, "txpkt segments",
1349 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1350 				if (nb_segs > 0)
1351 					set_tx_pkt_segments(seg_lengths, nb_segs);
1352 				else
1353 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1354 			}
1355 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1356 				txonly_multi_flow = 1;
1357 			if (!strcmp(lgopts[opt_idx].name, "rxq-share")) {
1358 				if (optarg == NULL) {
1359 					rxq_share = UINT32_MAX;
1360 				} else {
1361 					n = atoi(optarg);
1362 					if (n >= 0)
1363 						rxq_share = (uint32_t)n;
1364 					else
1365 						rte_exit(EXIT_FAILURE, "rxq-share must be >= 0\n");
1366 				}
1367 			}
1368 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1369 				no_flush_rx = 1;
1370 			if (!strcmp(lgopts[opt_idx].name, "eth-link-speed")) {
1371 				n = atoi(optarg);
1372 				if (n >= 0 && parse_link_speed(n) > 0)
1373 					eth_link_speed = parse_link_speed(n);
1374 			}
1375 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1376 				no_link_check = 1;
1377 			if (!strcmp(lgopts[opt_idx].name, "disable-device-start"))
1378 				no_device_start = 1;
1379 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1380 				lsc_interrupt = 0;
1381 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1382 				rmv_interrupt = 0;
1383 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1384 				flow_isolate_all = 1;
1385 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1386 				char *end = NULL;
1387 				n = strtoull(optarg, &end, 16);
1388 				if (n >= 0)
1389 					tx_offloads = (uint64_t)n;
1390 				else
1391 					rte_exit(EXIT_FAILURE,
1392 						 "tx-offloads must be >= 0\n");
1393 			}
1394 
1395 			if (!strcmp(lgopts[opt_idx].name, "rx-offloads")) {
1396 				char *end = NULL;
1397 				n = strtoull(optarg, &end, 16);
1398 				if (n >= 0)
1399 					rx_offloads = (uint64_t)n;
1400 				else
1401 					rte_exit(EXIT_FAILURE,
1402 						 "rx-offloads must be >= 0\n");
1403 			}
1404 
1405 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1406 				n = atoi(optarg);
1407 				if (n >= 0)
1408 					vxlan_gpe_udp_port = (uint16_t)n;
1409 				else
1410 					rte_exit(EXIT_FAILURE,
1411 						 "vxlan-gpe-port must be >= 0\n");
1412 			}
1413 			if (!strcmp(lgopts[opt_idx].name,
1414 				    "geneve-parsed-port")) {
1415 				n = atoi(optarg);
1416 				if (n >= 0)
1417 					geneve_udp_port = (uint16_t)n;
1418 				else
1419 					rte_exit(EXIT_FAILURE,
1420 						 "geneve-parsed-port must be >= 0\n");
1421 			}
1422 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1423 				if (parse_event_printing_config(optarg, 1)) {
1424 					rte_exit(EXIT_FAILURE,
1425 						 "invalid print-event argument\n");
1426 				}
1427 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1428 				if (parse_event_printing_config(optarg, 0)) {
1429 					rte_exit(EXIT_FAILURE,
1430 						 "invalid mask-event argument\n");
1431 				}
1432 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1433 				hot_plug = 1;
1434 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1435 				do_mlockall = 1;
1436 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1437 				do_mlockall = 0;
1438 			if (!strcmp(lgopts[opt_idx].name,
1439 				    "noisy-tx-sw-buffer-size")) {
1440 				n = atoi(optarg);
1441 				if (n >= 0)
1442 					noisy_tx_sw_bufsz = n;
1443 				else
1444 					rte_exit(EXIT_FAILURE,
1445 						"noisy-tx-sw-buffer-size must be >= 0\n");
1446 			}
1447 			if (!strcmp(lgopts[opt_idx].name,
1448 				    "noisy-tx-sw-buffer-flushtime")) {
1449 				n = atoi(optarg);
1450 				if (n >= 0)
1451 					noisy_tx_sw_buf_flush_time = n;
1452 				else
1453 					rte_exit(EXIT_FAILURE,
1454 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1455 			}
1456 			if (!strcmp(lgopts[opt_idx].name,
1457 				    "noisy-lkup-memory")) {
1458 				n = atoi(optarg);
1459 				if (n >= 0)
1460 					noisy_lkup_mem_sz = n;
1461 				else
1462 					rte_exit(EXIT_FAILURE,
1463 						 "noisy-lkup-memory must be >= 0\n");
1464 			}
1465 			if (!strcmp(lgopts[opt_idx].name,
1466 				    "noisy-lkup-num-writes")) {
1467 				n = atoi(optarg);
1468 				if (n >= 0)
1469 					noisy_lkup_num_writes = n;
1470 				else
1471 					rte_exit(EXIT_FAILURE,
1472 						 "noisy-lkup-num-writes must be >= 0\n");
1473 			}
1474 			if (!strcmp(lgopts[opt_idx].name,
1475 				    "noisy-lkup-num-reads")) {
1476 				n = atoi(optarg);
1477 				if (n >= 0)
1478 					noisy_lkup_num_reads = n;
1479 				else
1480 					rte_exit(EXIT_FAILURE,
1481 						 "noisy-lkup-num-reads must be >= 0\n");
1482 			}
1483 			if (!strcmp(lgopts[opt_idx].name,
1484 				    "noisy-lkup-num-reads-writes")) {
1485 				n = atoi(optarg);
1486 				if (n >= 0)
1487 					noisy_lkup_num_reads_writes = n;
1488 				else
1489 					rte_exit(EXIT_FAILURE,
1490 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1491 			}
1492 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1493 				mempool_flags = RTE_MEMPOOL_F_NO_IOVA_CONTIG;
1494 
1495 			if (!strcmp(lgopts[opt_idx].name, "rx-mq-mode")) {
1496 				char *end = NULL;
1497 				n = strtoul(optarg, &end, 16);
1498 				if (n >= 0 && n <= RTE_ETH_MQ_RX_VMDQ_DCB_RSS)
1499 					rx_mq_mode = (enum rte_eth_rx_mq_mode)n;
1500 				else
1501 					rte_exit(EXIT_FAILURE,
1502 						 "rx-mq-mode must be >= 0 and <= %d\n",
1503 						 RTE_ETH_MQ_RX_VMDQ_DCB_RSS);
1504 			}
1505 			if (!strcmp(lgopts[opt_idx].name, "record-core-cycles"))
1506 				record_core_cycles = 1;
1507 			if (!strcmp(lgopts[opt_idx].name, "record-burst-stats"))
1508 				record_burst_stats = 1;
1509 			if (!strcmp(lgopts[opt_idx].name, PARAM_NUM_PROCS))
1510 				num_procs = atoi(optarg);
1511 			if (!strcmp(lgopts[opt_idx].name, PARAM_PROC_ID))
1512 				proc_id = atoi(optarg);
1513 			break;
1514 		case 'h':
1515 			usage(argv[0]);
1516 			exit(EXIT_SUCCESS);
1517 			break;
1518 		default:
1519 			usage(argv[0]);
1520 			fprintf(stderr, "Invalid option: %s\n", argv[optind]);
1521 			rte_exit(EXIT_FAILURE,
1522 				 "Command line is incomplete or incorrect\n");
1523 			break;
1524 		}
1525 	}
1526 
1527 	if (optind != argc) {
1528 		usage(argv[0]);
1529 		fprintf(stderr, "Invalid parameter: %s\n", argv[optind]);
1530 		rte_exit(EXIT_FAILURE, "Command line is incorrect\n");
1531 	}
1532 
1533 	if (proc_id >= (int)num_procs)
1534 		rte_exit(EXIT_FAILURE,
1535 			 "The multi-process option '%s(%d)' should be less than '%s(%u)'\n",
1536 			 PARAM_PROC_ID, proc_id,
1537 			 PARAM_NUM_PROCS, num_procs);
1538 
1539 	/* Set offload configuration from command line parameters. */
1540 	rx_mode.offloads = rx_offloads;
1541 	tx_mode.offloads = tx_offloads;
1542 
1543 	if (mempool_flags & RTE_MEMPOOL_F_NO_IOVA_CONTIG &&
1544 	    mp_alloc_type != MP_ALLOC_ANON) {
1545 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1546 				  "mp-alloc=anon. mempool no-iova-contig is "
1547 				  "ignored\n");
1548 		mempool_flags = 0;
1549 	}
1550 }
1551