xref: /dpdk/app/test-pmd/parameters.c (revision 69f9d8aa357d2299e057b7e335f340e20a0c5e7e)
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_atomic.h>
34 #include <rte_branch_prediction.h>
35 #include <rte_mempool.h>
36 #include <rte_interrupts.h>
37 #include <rte_pci.h>
38 #include <rte_ether.h>
39 #include <rte_ethdev.h>
40 #include <rte_string_fns.h>
41 #include <rte_flow.h>
42 
43 #include "testpmd.h"
44 
45 static void
46 usage(char* progname)
47 {
48 	printf("\nUsage: %s [EAL options] -- [testpmd options]\n\n",
49 	       progname);
50 #ifdef RTE_LIB_CMDLINE
51 	printf("  --interactive: run in interactive mode.\n");
52 	printf("  --cmdline-file: execute cli commands before startup.\n");
53 #endif
54 	printf("  --auto-start: start forwarding on init "
55 	       "[always when non-interactive].\n");
56 	printf("  --help: display this message and quit.\n");
57 	printf("  --tx-first: start forwarding sending a burst first "
58 	       "(only if interactive is disabled).\n");
59 	printf("  --stats-period=PERIOD: statistics will be shown "
60 	       "every PERIOD seconds (only if interactive is disabled).\n");
61 	printf("  --display-xstats xstat_name1[,...]: comma-separated list of "
62 	       "extended statistics to show. Used with --stats-period "
63 	       "specified or interactive commands that show Rx/Tx statistics "
64 	       "(i.e. 'show port stats').\n");
65 	printf("  --nb-cores=N: set the number of forwarding cores "
66 	       "(1 <= N <= %d).\n", nb_lcores);
67 	printf("  --nb-ports=N: set the number of forwarding ports "
68 	       "(1 <= N <= %d).\n", nb_ports);
69 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
70 	       "the packet forwarding test. The main lcore is reserved for "
71 	       "command line parsing only, and cannot be masked on for "
72 	       "packet forwarding.\n");
73 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
74 	       "by the packet forwarding test.\n");
75 	printf("  --portlist=PORTLIST: list of forwarding ports\n");
76 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
77 	       "RX memory buffers (mbufs).\n");
78 	printf("  --no-numa: disable NUMA-aware allocation.\n");
79 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
80 	       "specify the socket on which the memory pool "
81 	       "used by the port will be allocated.\n");
82 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
83 	       "specify the socket on which the TX/RX rings for "
84 	       "the port will be allocated "
85 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
86 	printf("  --socket-num=N: set socket from which all memory is allocated "
87 	       "in NUMA mode.\n");
88 	printf("  --mbuf-size=N,[N1[,..Nn]: set the data size of mbuf to "
89 	       "N bytes. If multiple numbers are specified the extra pools "
90 	       "will be created to receive with packet split features\n");
91 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
92 	       "in mbuf pools.\n");
93 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
94 	printf("  --max-lro-pkt-size=N: set the maximum LRO aggregated packet "
95 	       "size to N bytes.\n");
96 #ifdef RTE_LIB_CMDLINE
97 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
98 	       "of peer ports.\n");
99 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
100 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
101 #endif
102 	printf("  --pkt-filter-mode=N: set Flow Director mode "
103 	       "(N: none (default mode) or signature or perfect).\n");
104 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
105 	       "(N: none  or match (default) or always).\n");
106 	printf("  --pkt-filter-size=N: set Flow Director mode "
107 	       "(N: 64K (default mode) or 128K or 256K).\n");
108 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
109 	       "In perfect mode, when you add a rule with queue = -1 "
110 	       "the packet will be enqueued into the rx drop-queue. "
111 	       "If the drop-queue doesn't exist, the packet is dropped. "
112 	       "By default drop-queue=127.\n");
113 #ifdef RTE_LIB_LATENCYSTATS
114 	printf("  --latencystats=N: enable latency and jitter statistcs "
115 	       "monitoring on forwarding lcore id N.\n");
116 #endif
117 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
118 	printf("  --enable-scatter: enable scattered Rx.\n");
119 	printf("  --enable-lro: enable large receive offload.\n");
120 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
121 	printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
122 	printf("  --enable-hw-vlan: enable hardware vlan.\n");
123 	printf("  --enable-hw-vlan-filter: enable hardware vlan filter.\n");
124 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
125 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
126 	printf("  --enable-hw-qinq-strip: enable hardware qinq strip.\n");
127 	printf("  --enable-drop-en: enable per queue packet drop.\n");
128 	printf("  --disable-rss: disable rss.\n");
129 	printf("  --port-topology=<paired|chained|loop>: set port topology (paired "
130 	       "is default).\n");
131 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
132 	       list_pkt_forwarding_modes());
133 	printf("  --forward-mode=5tswap: set forwarding mode to "
134 			"swap L2,L3,L4 for MAC, IPv4/IPv6 and TCP/UDP only.\n");
135 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
136 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
137 	printf("  --rss-level-inner: set RSS hash level to innermost\n");
138 	printf("  --rss-level-outer: set RSS hash level to outermost\n");
139 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
140 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
141 	printf("  --txq=N: set the number of TX queues per port to N.\n");
142 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
143 	printf("  --hairpinq=N: set the number of hairpin queues per port to "
144 	       "N.\n");
145 	printf("  --burst=N: set the number of packets per burst to N.\n");
146 	printf("  --flowgen-clones=N: set the number of single packet clones to send in flowgen mode. Should be less than burst value.\n");
147 	printf("  --flowgen-flows=N: set the number of flows in flowgen mode to N (1 <= N <= INT32_MAX).\n");
148 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
149 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
150 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
151 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
152 	       "(0 <= N < value of rxd).\n");
153 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
154 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
155 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
156 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
157 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
158 	       "(0 <= N <= value of txd).\n");
159 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
160 	       "(0 <= N <= value of txd).\n");
161 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
162 	       " Used mainly with PCAP drivers.\n");
163 	printf("  --rxoffs=X[,Y]*: set RX segment offsets for split.\n");
164 	printf("  --rxpkts=X[,Y]*: set RX segment sizes to split.\n");
165 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
166 		" or total packet length.\n");
167 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
168 	printf("  --tx-ip=src,dst: IP addresses in Tx-only mode\n");
169 	printf("  --tx-udp=src[,dst]: UDP ports in Tx-only mode\n");
170 	printf("  --eth-link-speed: force link speed.\n");
171 	printf("  --rxq-share=X: number of ports per shared Rx queue groups, defaults to UINT32_MAX (1 group)\n");
172 	printf("  --disable-link-check: disable check on link status when "
173 	       "starting/stopping ports.\n");
174 	printf("  --disable-device-start: do not automatically start port\n");
175 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
176 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
177 	printf("  --bitrate-stats=N: set the logical core N to perform "
178 		"bit-rate calculation.\n");
179 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
180 	       "enable print of designated event or all of them.\n");
181 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
182 	       "disable print of designated event or all of them.\n");
183 	printf("  --flow-isolate-all: "
184 	       "requests flow API isolated mode on all ports at initialization time.\n");
185 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
186 	printf("  --rx-offloads=0xXXXXXXXX: hexadecimal bitmask of RX queue offloads\n");
187 	printf("  --hot-plug: enable hot plug for device.\n");
188 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
189 	printf("  --geneve-parsed-port=N: UPD port to parse GENEVE tunnel protocol\n");
190 #ifndef RTE_EXEC_ENV_WINDOWS
191 	printf("  --mlockall: lock all memory\n");
192 	printf("  --no-mlockall: do not lock all memory\n");
193 #endif
194 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
195 	       "    native: use regular DPDK memory to create and populate mempool\n"
196 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
197 	       "    xmem: use anonymous memory to create and populate mempool\n"
198 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
199 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
200 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
201 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
202 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
203 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
204 	printf("  --noisy-lkup-num-reads-writes=N: do N random reads and writes per packet\n");
205 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
206 	       "valid only with --mp-alloc=anon\n");
207 	printf("  --rx-mq-mode=0xX: hexadecimal bitmask of RX mq mode can be "
208 	       "enabled\n");
209 	printf("  --record-core-cycles: enable measurement of CPU cycles.\n");
210 	printf("  --record-burst-stats: enable display of RX and TX bursts.\n");
211 	printf("  --hairpin-mode=0xXX: bitmask set the hairpin port mode.\n"
212 	       "    0x10 - explicit Tx rule, 0x02 - hairpin ports paired\n"
213 	       "    0x01 - hairpin ports loop, 0x00 - hairpin port self\n");
214 }
215 
216 #ifdef RTE_LIB_CMDLINE
217 static int
218 init_peer_eth_addrs(const char *config_filename)
219 {
220 	FILE *config_file;
221 	portid_t i;
222 	char buf[50];
223 
224 	config_file = fopen(config_filename, "r");
225 	if (config_file == NULL) {
226 		perror("Failed to open eth config file\n");
227 		return -1;
228 	}
229 
230 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
231 
232 		if (fgets(buf, sizeof(buf), config_file) == NULL)
233 			break;
234 
235 		if (rte_ether_unformat_addr(buf, &peer_eth_addrs[i]) < 0) {
236 			fprintf(stderr, "Bad MAC address format on line %d\n",
237 				i + 1);
238 			fclose(config_file);
239 			return -1;
240 		}
241 	}
242 	fclose(config_file);
243 	nb_peer_eth_addrs = (portid_t) i;
244 	return 0;
245 }
246 #endif
247 
248 /*
249  * Parse the coremask given as argument (hexadecimal string) and set
250  * the global configuration of forwarding cores.
251  */
252 static void
253 parse_fwd_coremask(const char *coremask)
254 {
255 	char *end;
256 	unsigned long long int cm;
257 
258 	/* parse hexadecimal string */
259 	end = NULL;
260 	cm = strtoull(coremask, &end, 16);
261 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
262 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
263 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
264 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
265 }
266 
267 /*
268  * Parse the coremask given as argument (hexadecimal string) and set
269  * the global configuration of forwarding cores.
270  */
271 static void
272 parse_fwd_portmask(const char *portmask)
273 {
274 	char *end;
275 	unsigned long long int pm;
276 
277 	/* parse hexadecimal string */
278 	end = NULL;
279 	pm = strtoull(portmask, &end, 16);
280 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
281 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
282 	else
283 		set_fwd_ports_mask((uint64_t) pm);
284 }
285 
286 static void
287 print_invalid_socket_id_error(void)
288 {
289 	unsigned int i = 0;
290 
291 	fprintf(stderr, "Invalid socket id, options are: ");
292 	for (i = 0; i < num_sockets; i++) {
293 		fprintf(stderr, "%u%s", socket_ids[i],
294 			(i == num_sockets - 1) ? "\n" : ",");
295 	}
296 }
297 
298 static int
299 parse_portnuma_config(const char *q_arg)
300 {
301 	char s[256];
302 	const char *p, *p0 = q_arg;
303 	char *end;
304 	uint8_t i, socket_id;
305 	portid_t port_id;
306 	unsigned size;
307 	enum fieldnames {
308 		FLD_PORT = 0,
309 		FLD_SOCKET,
310 		_NUM_FLD
311 	};
312 	unsigned long int_fld[_NUM_FLD];
313 	char *str_fld[_NUM_FLD];
314 
315 	/* reset from value set at definition */
316 	while ((p = strchr(p0,'(')) != NULL) {
317 		++p;
318 		if((p0 = strchr(p,')')) == NULL)
319 			return -1;
320 
321 		size = p0 - p;
322 		if(size >= sizeof(s))
323 			return -1;
324 
325 		snprintf(s, sizeof(s), "%.*s", size, p);
326 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
327 			return -1;
328 		for (i = 0; i < _NUM_FLD; i++) {
329 			errno = 0;
330 			int_fld[i] = strtoul(str_fld[i], &end, 0);
331 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
332 				return -1;
333 		}
334 		port_id = (portid_t)int_fld[FLD_PORT];
335 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
336 			port_id == (portid_t)RTE_PORT_ALL) {
337 			print_valid_ports();
338 			return -1;
339 		}
340 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
341 		if (new_socket_id(socket_id)) {
342 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
343 				print_invalid_socket_id_error();
344 				return -1;
345 			}
346 			socket_ids[num_sockets++] = socket_id;
347 		}
348 		port_numa[port_id] = socket_id;
349 	}
350 
351 	return 0;
352 }
353 
354 static int
355 parse_ringnuma_config(const char *q_arg)
356 {
357 	char s[256];
358 	const char *p, *p0 = q_arg;
359 	char *end;
360 	uint8_t i, ring_flag, socket_id;
361 	portid_t port_id;
362 	unsigned size;
363 	enum fieldnames {
364 		FLD_PORT = 0,
365 		FLD_FLAG,
366 		FLD_SOCKET,
367 		_NUM_FLD
368 	};
369 	unsigned long int_fld[_NUM_FLD];
370 	char *str_fld[_NUM_FLD];
371 	#define RX_RING_ONLY 0x1
372 	#define TX_RING_ONLY 0x2
373 	#define RXTX_RING    0x3
374 
375 	/* reset from value set at definition */
376 	while ((p = strchr(p0,'(')) != NULL) {
377 		++p;
378 		if((p0 = strchr(p,')')) == NULL)
379 			return -1;
380 
381 		size = p0 - p;
382 		if(size >= sizeof(s))
383 			return -1;
384 
385 		snprintf(s, sizeof(s), "%.*s", size, p);
386 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
387 			return -1;
388 		for (i = 0; i < _NUM_FLD; i++) {
389 			errno = 0;
390 			int_fld[i] = strtoul(str_fld[i], &end, 0);
391 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
392 				return -1;
393 		}
394 		port_id = (portid_t)int_fld[FLD_PORT];
395 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
396 			port_id == (portid_t)RTE_PORT_ALL) {
397 			print_valid_ports();
398 			return -1;
399 		}
400 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
401 		if (new_socket_id(socket_id)) {
402 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
403 				print_invalid_socket_id_error();
404 				return -1;
405 			}
406 			socket_ids[num_sockets++] = socket_id;
407 		}
408 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
409 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
410 			fprintf(stderr,
411 				"Invalid ring-flag=%d config for port =%d\n",
412 				ring_flag,port_id);
413 			return -1;
414 		}
415 
416 		switch (ring_flag & RXTX_RING) {
417 		case RX_RING_ONLY:
418 			rxring_numa[port_id] = socket_id;
419 			break;
420 		case TX_RING_ONLY:
421 			txring_numa[port_id] = socket_id;
422 			break;
423 		case RXTX_RING:
424 			rxring_numa[port_id] = socket_id;
425 			txring_numa[port_id] = socket_id;
426 			break;
427 		default:
428 			fprintf(stderr,
429 				"Invalid ring-flag=%d config for port=%d\n",
430 				ring_flag,port_id);
431 			break;
432 		}
433 	}
434 
435 	return 0;
436 }
437 
438 static int
439 parse_event_printing_config(const char *optarg, int enable)
440 {
441 	uint32_t mask = 0;
442 
443 	if (!strcmp(optarg, "unknown"))
444 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
445 	else if (!strcmp(optarg, "intr_lsc"))
446 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
447 	else if (!strcmp(optarg, "queue_state"))
448 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
449 	else if (!strcmp(optarg, "intr_reset"))
450 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
451 	else if (!strcmp(optarg, "vf_mbox"))
452 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
453 	else if (!strcmp(optarg, "ipsec"))
454 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
455 	else if (!strcmp(optarg, "macsec"))
456 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
457 	else if (!strcmp(optarg, "intr_rmv"))
458 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
459 	else if (!strcmp(optarg, "dev_probed"))
460 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
461 	else if (!strcmp(optarg, "dev_released"))
462 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
463 	else if (!strcmp(optarg, "flow_aged"))
464 		mask = UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED;
465 	else if (!strcmp(optarg, "all"))
466 		mask = ~UINT32_C(0);
467 	else {
468 		fprintf(stderr, "Invalid event: %s\n", optarg);
469 		return -1;
470 	}
471 	if (enable)
472 		event_print_mask |= mask;
473 	else
474 		event_print_mask &= ~mask;
475 	return 0;
476 }
477 
478 static int
479 parse_xstats_list(const char *in_str, struct rte_eth_xstat_name **xstats,
480 		  unsigned int *xstats_num)
481 {
482 	int max_names_nb, names_nb, nonempty_names_nb;
483 	int name, nonempty_name;
484 	int stringlen;
485 	char **names;
486 	char *str;
487 	int ret;
488 	int i;
489 
490 	names = NULL;
491 	str = strdup(in_str);
492 	if (str == NULL) {
493 		ret = -ENOMEM;
494 		goto out;
495 	}
496 	stringlen = strlen(str);
497 
498 	for (i = 0, max_names_nb = 1; str[i] != '\0'; i++) {
499 		if (str[i] == ',')
500 			max_names_nb++;
501 	}
502 
503 	names = calloc(max_names_nb, sizeof(*names));
504 	if (names == NULL) {
505 		ret = -ENOMEM;
506 		goto out;
507 	}
508 
509 	names_nb = rte_strsplit(str, stringlen, names, max_names_nb, ',');
510 	if (names_nb < 0) {
511 		ret = -EINVAL;
512 		goto out;
513 	}
514 
515 	nonempty_names_nb = 0;
516 	for (i = 0; i < names_nb; i++) {
517 		if (names[i][0] == '\0')
518 			continue;
519 		nonempty_names_nb++;
520 	}
521 	*xstats = calloc(nonempty_names_nb, sizeof(**xstats));
522 	if (*xstats == NULL) {
523 		ret = -ENOMEM;
524 		goto out;
525 	}
526 
527 	for (name = nonempty_name = 0; name < names_nb; name++) {
528 		if (names[name][0] == '\0')
529 			continue;
530 		rte_strscpy((*xstats)[nonempty_name].name, names[name],
531 			    sizeof((*xstats)[nonempty_name].name));
532 		nonempty_name++;
533 	}
534 
535 	*xstats_num = nonempty_names_nb;
536 	ret = 0;
537 
538 out:
539 	free(names);
540 	free(str);
541 	return ret;
542 }
543 
544 static int
545 parse_link_speed(int n)
546 {
547 	uint32_t speed = RTE_ETH_LINK_SPEED_FIXED;
548 
549 	switch (n) {
550 	case 1000:
551 		speed |= RTE_ETH_LINK_SPEED_1G;
552 		break;
553 	case 10000:
554 		speed |= RTE_ETH_LINK_SPEED_10G;
555 		break;
556 	case 25000:
557 		speed |= RTE_ETH_LINK_SPEED_25G;
558 		break;
559 	case 40000:
560 		speed |= RTE_ETH_LINK_SPEED_40G;
561 		break;
562 	case 50000:
563 		speed |= RTE_ETH_LINK_SPEED_50G;
564 		break;
565 	case 100000:
566 		speed |= RTE_ETH_LINK_SPEED_100G;
567 		break;
568 	case 200000:
569 		speed |= RTE_ETH_LINK_SPEED_200G;
570 		break;
571 	case 100:
572 	case 10:
573 	default:
574 		fprintf(stderr, "Unsupported fixed speed\n");
575 		return 0;
576 	}
577 
578 	return speed;
579 }
580 
581 void
582 launch_args_parse(int argc, char** argv)
583 {
584 #define PARAM_PROC_ID "proc-id"
585 #define PARAM_NUM_PROCS "num-procs"
586 
587 	int n, opt;
588 	char **argvopt;
589 	int opt_idx;
590 	portid_t pid;
591 	enum { TX, RX };
592 	/* Default offloads for all ports. */
593 	uint64_t rx_offloads = rx_mode.offloads;
594 	uint64_t tx_offloads = tx_mode.offloads;
595 	struct rte_eth_dev_info dev_info;
596 	uint16_t rec_nb_pkts;
597 	int ret;
598 
599 	static struct option lgopts[] = {
600 		{ "help",			0, 0, 0 },
601 #ifdef RTE_LIB_CMDLINE
602 		{ "interactive",		0, 0, 0 },
603 		{ "cmdline-file",		1, 0, 0 },
604 		{ "auto-start",			0, 0, 0 },
605 		{ "eth-peers-configfile",	1, 0, 0 },
606 		{ "eth-peer",			1, 0, 0 },
607 #endif
608 		{ "tx-first",			0, 0, 0 },
609 		{ "stats-period",		1, 0, 0 },
610 		{ "display-xstats",		1, 0, 0 },
611 		{ "nb-cores",			1, 0, 0 },
612 		{ "nb-ports",			1, 0, 0 },
613 		{ "coremask",			1, 0, 0 },
614 		{ "portmask",			1, 0, 0 },
615 		{ "portlist",			1, 0, 0 },
616 		{ "numa",			0, 0, 0 },
617 		{ "no-numa",			0, 0, 0 },
618 		{ "mp-anon",			0, 0, 0 }, /* deprecated */
619 		{ "port-numa-config",           1, 0, 0 },
620 		{ "ring-numa-config",           1, 0, 0 },
621 		{ "socket-num",			1, 0, 0 },
622 		{ "mbuf-size",			1, 0, 0 },
623 		{ "total-num-mbufs",		1, 0, 0 },
624 		{ "max-pkt-len",		1, 0, 0 },
625 		{ "max-lro-pkt-size",		1, 0, 0 },
626 		{ "pkt-filter-mode",            1, 0, 0 },
627 		{ "pkt-filter-report-hash",     1, 0, 0 },
628 		{ "pkt-filter-size",            1, 0, 0 },
629 		{ "pkt-filter-drop-queue",      1, 0, 0 },
630 #ifdef RTE_LIB_LATENCYSTATS
631 		{ "latencystats",               1, 0, 0 },
632 #endif
633 #ifdef RTE_LIB_BITRATESTATS
634 		{ "bitrate-stats",              1, 0, 0 },
635 #endif
636 		{ "disable-crc-strip",          0, 0, 0 },
637 		{ "enable-lro",                 0, 0, 0 },
638 		{ "enable-rx-cksum",            0, 0, 0 },
639 		{ "enable-rx-timestamp",        0, 0, 0 },
640 		{ "enable-scatter",             0, 0, 0 },
641 		{ "enable-hw-vlan",             0, 0, 0 },
642 		{ "enable-hw-vlan-filter",      0, 0, 0 },
643 		{ "enable-hw-vlan-strip",       0, 0, 0 },
644 		{ "enable-hw-vlan-extend",      0, 0, 0 },
645 		{ "enable-hw-qinq-strip",       0, 0, 0 },
646 		{ "enable-drop-en",            0, 0, 0 },
647 		{ "disable-rss",                0, 0, 0 },
648 		{ "port-topology",              1, 0, 0 },
649 		{ "forward-mode",               1, 0, 0 },
650 		{ "rss-ip",			0, 0, 0 },
651 		{ "rss-udp",			0, 0, 0 },
652 		{ "rss-level-outer",		0, 0, 0 },
653 		{ "rss-level-inner",		0, 0, 0 },
654 		{ "rxq",			1, 0, 0 },
655 		{ "txq",			1, 0, 0 },
656 		{ "rxd",			1, 0, 0 },
657 		{ "txd",			1, 0, 0 },
658 		{ "hairpinq",			1, 0, 0 },
659 		{ "hairpin-mode",		1, 0, 0 },
660 		{ "burst",			1, 0, 0 },
661 		{ "flowgen-clones",		1, 0, 0 },
662 		{ "flowgen-flows",		1, 0, 0 },
663 		{ "mbcache",			1, 0, 0 },
664 		{ "txpt",			1, 0, 0 },
665 		{ "txht",			1, 0, 0 },
666 		{ "txwt",			1, 0, 0 },
667 		{ "txfreet",			1, 0, 0 },
668 		{ "txrst",			1, 0, 0 },
669 		{ "rxpt",			1, 0, 0 },
670 		{ "rxht",			1, 0, 0 },
671 		{ "rxwt",			1, 0, 0 },
672 		{ "rxfreet",                    1, 0, 0 },
673 		{ "no-flush-rx",	0, 0, 0 },
674 		{ "flow-isolate-all",	        0, 0, 0 },
675 		{ "rxoffs",			1, 0, 0 },
676 		{ "rxpkts",			1, 0, 0 },
677 		{ "txpkts",			1, 0, 0 },
678 		{ "txonly-multi-flow",		0, 0, 0 },
679 		{ "rxq-share",			2, 0, 0 },
680 		{ "eth-link-speed",		1, 0, 0 },
681 		{ "disable-link-check",		0, 0, 0 },
682 		{ "disable-device-start",	0, 0, 0 },
683 		{ "no-lsc-interrupt",		0, 0, 0 },
684 		{ "no-rmv-interrupt",		0, 0, 0 },
685 		{ "print-event",		1, 0, 0 },
686 		{ "mask-event",			1, 0, 0 },
687 		{ "tx-offloads",		1, 0, 0 },
688 		{ "rx-offloads",		1, 0, 0 },
689 		{ "hot-plug",			0, 0, 0 },
690 		{ "vxlan-gpe-port",		1, 0, 0 },
691 		{ "geneve-parsed-port",		1, 0, 0 },
692 #ifndef RTE_EXEC_ENV_WINDOWS
693 		{ "mlockall",			0, 0, 0 },
694 		{ "no-mlockall",		0, 0, 0 },
695 #endif
696 		{ "mp-alloc",			1, 0, 0 },
697 		{ "tx-ip",			1, 0, 0 },
698 		{ "tx-udp",			1, 0, 0 },
699 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
700 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
701 		{ "noisy-lkup-memory",		1, 0, 0 },
702 		{ "noisy-lkup-num-writes",	1, 0, 0 },
703 		{ "noisy-lkup-num-reads",	1, 0, 0 },
704 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
705 		{ "no-iova-contig",             0, 0, 0 },
706 		{ "rx-mq-mode",                 1, 0, 0 },
707 		{ "record-core-cycles",         0, 0, 0 },
708 		{ "record-burst-stats",         0, 0, 0 },
709 		{ PARAM_NUM_PROCS,              1, 0, 0 },
710 		{ PARAM_PROC_ID,                1, 0, 0 },
711 		{ 0, 0, 0, 0 },
712 	};
713 
714 	argvopt = argv;
715 
716 #ifdef RTE_LIB_CMDLINE
717 #define SHORTOPTS "i"
718 #else
719 #define SHORTOPTS ""
720 #endif
721 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
722 				 lgopts, &opt_idx)) != EOF) {
723 		switch (opt) {
724 #ifdef RTE_LIB_CMDLINE
725 		case 'i':
726 			printf("Interactive-mode selected\n");
727 			interactive = 1;
728 			break;
729 #endif
730 		case 'a':
731 			printf("Auto-start selected\n");
732 			auto_start = 1;
733 			break;
734 
735 		case 0: /*long options */
736 			if (!strcmp(lgopts[opt_idx].name, "help")) {
737 				usage(argv[0]);
738 				exit(EXIT_SUCCESS);
739 			}
740 #ifdef RTE_LIB_CMDLINE
741 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
742 				printf("Interactive-mode selected\n");
743 				interactive = 1;
744 			}
745 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
746 				printf("CLI commands to be read from %s\n",
747 				       optarg);
748 				strlcpy(cmdline_filename, optarg,
749 					sizeof(cmdline_filename));
750 			}
751 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
752 				printf("Auto-start selected\n");
753 				auto_start = 1;
754 			}
755 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
756 				printf("Ports to start sending a burst of "
757 						"packets first\n");
758 				tx_first = 1;
759 			}
760 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
761 				char *end = NULL;
762 				unsigned int n;
763 
764 				n = strtoul(optarg, &end, 10);
765 				if ((optarg[0] == '\0') || (end == NULL) ||
766 						(*end != '\0'))
767 					break;
768 
769 				stats_period = n;
770 				break;
771 			}
772 			if (!strcmp(lgopts[opt_idx].name, "display-xstats")) {
773 				char rc;
774 
775 				rc = parse_xstats_list(optarg, &xstats_display,
776 						       &xstats_display_num);
777 				if (rc != 0)
778 					rte_exit(EXIT_FAILURE,
779 						 "Failed to parse display-xstats argument: %d\n",
780 						 rc);
781 			}
782 			if (!strcmp(lgopts[opt_idx].name,
783 				    "eth-peers-configfile")) {
784 				if (init_peer_eth_addrs(optarg) != 0)
785 					rte_exit(EXIT_FAILURE,
786 						 "Cannot open logfile\n");
787 			}
788 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
789 				char *port_end;
790 
791 				errno = 0;
792 				n = strtoul(optarg, &port_end, 10);
793 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
794 					rte_exit(EXIT_FAILURE,
795 						 "Invalid eth-peer: %s", optarg);
796 				if (n >= RTE_MAX_ETHPORTS)
797 					rte_exit(EXIT_FAILURE,
798 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
799 						 n, RTE_MAX_ETHPORTS);
800 
801 				if (rte_ether_unformat_addr(port_end,
802 						&peer_eth_addrs[n]) < 0)
803 					rte_exit(EXIT_FAILURE,
804 						 "Invalid ethernet address: %s\n",
805 						 port_end);
806 				nb_peer_eth_addrs++;
807 			}
808 #endif
809 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
810 				struct in_addr in;
811 				char *end;
812 
813 				end = strchr(optarg, ',');
814 				if (end == optarg || !end)
815 					rte_exit(EXIT_FAILURE,
816 						 "Invalid tx-ip: %s", optarg);
817 
818 				*end++ = 0;
819 				if (inet_pton(AF_INET, optarg, &in) == 0)
820 					rte_exit(EXIT_FAILURE,
821 						 "Invalid source IP address: %s\n",
822 						 optarg);
823 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
824 
825 				if (inet_pton(AF_INET, end, &in) == 0)
826 					rte_exit(EXIT_FAILURE,
827 						 "Invalid destination IP address: %s\n",
828 						 optarg);
829 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
830 			}
831 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
832 				char *end = NULL;
833 
834 				errno = 0;
835 				n = strtoul(optarg, &end, 10);
836 				if (errno != 0 || end == optarg ||
837 				    n > UINT16_MAX ||
838 				    !(*end == '\0' || *end == ','))
839 					rte_exit(EXIT_FAILURE,
840 						 "Invalid UDP port: %s\n",
841 						 optarg);
842 				tx_udp_src_port = n;
843 				if (*end == ',') {
844 					char *dst = end + 1;
845 
846 					n = strtoul(dst, &end, 10);
847 					if (errno != 0 || end == dst ||
848 					    n > UINT16_MAX || *end)
849 						rte_exit(EXIT_FAILURE,
850 							 "Invalid destination UDP port: %s\n",
851 							 dst);
852 					tx_udp_dst_port = n;
853 				} else {
854 					tx_udp_dst_port = n;
855 				}
856 
857 			}
858 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
859 				n = atoi(optarg);
860 				if (n > 0 && n <= nb_ports)
861 					nb_fwd_ports = n;
862 				else
863 					rte_exit(EXIT_FAILURE,
864 						 "Invalid port %d\n", n);
865 			}
866 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
867 				n = atoi(optarg);
868 				if (n > 0 && n <= nb_lcores)
869 					nb_fwd_lcores = (uint8_t) n;
870 				else
871 					rte_exit(EXIT_FAILURE,
872 						 "nb-cores should be > 0 and <= %d\n",
873 						 nb_lcores);
874 			}
875 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
876 				parse_fwd_coremask(optarg);
877 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
878 				parse_fwd_portmask(optarg);
879 			if (!strcmp(lgopts[opt_idx].name, "portlist"))
880 				parse_fwd_portlist(optarg);
881 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
882 				numa_support = 0;
883 			if (!strcmp(lgopts[opt_idx].name, "numa"))
884 				numa_support = 1;
885 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
886 				mp_alloc_type = MP_ALLOC_ANON;
887 			}
888 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
889 				if (!strcmp(optarg, "native"))
890 					mp_alloc_type = MP_ALLOC_NATIVE;
891 				else if (!strcmp(optarg, "anon"))
892 					mp_alloc_type = MP_ALLOC_ANON;
893 				else if (!strcmp(optarg, "xmem"))
894 					mp_alloc_type = MP_ALLOC_XMEM;
895 				else if (!strcmp(optarg, "xmemhuge"))
896 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
897 				else if (!strcmp(optarg, "xbuf"))
898 					mp_alloc_type = MP_ALLOC_XBUF;
899 				else
900 					rte_exit(EXIT_FAILURE,
901 						"mp-alloc %s invalid - must be: "
902 						"native, anon, xmem or xmemhuge\n",
903 						 optarg);
904 			}
905 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
906 				if (parse_portnuma_config(optarg))
907 					rte_exit(EXIT_FAILURE,
908 					   "invalid port-numa configuration\n");
909 			}
910 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
911 				if (parse_ringnuma_config(optarg))
912 					rte_exit(EXIT_FAILURE,
913 					   "invalid ring-numa configuration\n");
914 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
915 				n = atoi(optarg);
916 				if (!new_socket_id((uint8_t)n)) {
917 					socket_num = (uint8_t)n;
918 				} else {
919 					print_invalid_socket_id_error();
920 					rte_exit(EXIT_FAILURE,
921 						"Invalid socket id");
922 				}
923 			}
924 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
925 				unsigned int mb_sz[MAX_SEGS_BUFFER_SPLIT];
926 				unsigned int nb_segs, i;
927 
928 				nb_segs = parse_item_list(optarg, "mbuf-size",
929 					MAX_SEGS_BUFFER_SPLIT, mb_sz, 0);
930 				if (nb_segs <= 0)
931 					rte_exit(EXIT_FAILURE,
932 						 "bad mbuf-size\n");
933 				for (i = 0; i < nb_segs; i++) {
934 					if (mb_sz[i] <= 0 || mb_sz[i] > 0xFFFF)
935 						rte_exit(EXIT_FAILURE,
936 							 "mbuf-size should be "
937 							 "> 0 and < 65536\n");
938 					mbuf_data_size[i] = (uint16_t) mb_sz[i];
939 				}
940 				mbuf_data_size_n = nb_segs;
941 			}
942 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
943 				n = atoi(optarg);
944 				if (n > 1024)
945 					param_total_num_mbufs = (unsigned)n;
946 				else
947 					rte_exit(EXIT_FAILURE,
948 						 "total-num-mbufs should be > 1024\n");
949 			}
950 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
951 				n = atoi(optarg);
952 				if (n >= RTE_ETHER_MIN_LEN)
953 					max_rx_pkt_len = n;
954 				else
955 					rte_exit(EXIT_FAILURE,
956 						 "Invalid max-pkt-len=%d - should be > %d\n",
957 						 n, RTE_ETHER_MIN_LEN);
958 			}
959 			if (!strcmp(lgopts[opt_idx].name, "max-lro-pkt-size")) {
960 				n = atoi(optarg);
961 				rx_mode.max_lro_pkt_size = (uint32_t) n;
962 			}
963 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
964 				if (!strcmp(optarg, "signature"))
965 					fdir_conf.mode =
966 						RTE_FDIR_MODE_SIGNATURE;
967 				else if (!strcmp(optarg, "perfect"))
968 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
969 				else if (!strcmp(optarg, "perfect-mac-vlan"))
970 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
971 				else if (!strcmp(optarg, "perfect-tunnel"))
972 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
973 				else if (!strcmp(optarg, "none"))
974 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
975 				else
976 					rte_exit(EXIT_FAILURE,
977 						 "pkt-mode-invalid %s invalid - must be: "
978 						 "none, signature, perfect, perfect-mac-vlan"
979 						 " or perfect-tunnel\n",
980 						 optarg);
981 			}
982 			if (!strcmp(lgopts[opt_idx].name,
983 				    "pkt-filter-report-hash")) {
984 				if (!strcmp(optarg, "none"))
985 					fdir_conf.status =
986 						RTE_FDIR_NO_REPORT_STATUS;
987 				else if (!strcmp(optarg, "match"))
988 					fdir_conf.status =
989 						RTE_FDIR_REPORT_STATUS;
990 				else if (!strcmp(optarg, "always"))
991 					fdir_conf.status =
992 						RTE_FDIR_REPORT_STATUS_ALWAYS;
993 				else
994 					rte_exit(EXIT_FAILURE,
995 						 "pkt-filter-report-hash %s invalid "
996 						 "- must be: none or match or always\n",
997 						 optarg);
998 			}
999 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
1000 				if (!strcmp(optarg, "64K"))
1001 					fdir_conf.pballoc =
1002 						RTE_ETH_FDIR_PBALLOC_64K;
1003 				else if (!strcmp(optarg, "128K"))
1004 					fdir_conf.pballoc =
1005 						RTE_ETH_FDIR_PBALLOC_128K;
1006 				else if (!strcmp(optarg, "256K"))
1007 					fdir_conf.pballoc =
1008 						RTE_ETH_FDIR_PBALLOC_256K;
1009 				else
1010 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
1011 						 " must be: 64K or 128K or 256K\n",
1012 						 optarg);
1013 			}
1014 			if (!strcmp(lgopts[opt_idx].name,
1015 				    "pkt-filter-drop-queue")) {
1016 				n = atoi(optarg);
1017 				if (n >= 0)
1018 					fdir_conf.drop_queue = (uint8_t) n;
1019 				else
1020 					rte_exit(EXIT_FAILURE,
1021 						 "drop queue %d invalid - must"
1022 						 "be >= 0 \n", n);
1023 			}
1024 #ifdef RTE_LIB_LATENCYSTATS
1025 			if (!strcmp(lgopts[opt_idx].name,
1026 				    "latencystats")) {
1027 				n = atoi(optarg);
1028 				if (n >= 0) {
1029 					latencystats_lcore_id = (lcoreid_t) n;
1030 					latencystats_enabled = 1;
1031 				} else
1032 					rte_exit(EXIT_FAILURE,
1033 						 "invalid lcore id %d for latencystats"
1034 						 " must be >= 0\n", n);
1035 			}
1036 #endif
1037 #ifdef RTE_LIB_BITRATESTATS
1038 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
1039 				n = atoi(optarg);
1040 				if (n >= 0) {
1041 					bitrate_lcore_id = (lcoreid_t) n;
1042 					bitrate_enabled = 1;
1043 				} else
1044 					rte_exit(EXIT_FAILURE,
1045 						 "invalid lcore id %d for bitrate stats"
1046 						 " must be >= 0\n", n);
1047 			}
1048 #endif
1049 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
1050 				rx_offloads |= RTE_ETH_RX_OFFLOAD_KEEP_CRC;
1051 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
1052 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TCP_LRO;
1053 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
1054 				rx_offloads |= RTE_ETH_RX_OFFLOAD_SCATTER;
1055 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
1056 				rx_offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM;
1057 			if (!strcmp(lgopts[opt_idx].name,
1058 					"enable-rx-timestamp"))
1059 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TIMESTAMP;
1060 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
1061 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN;
1062 
1063 			if (!strcmp(lgopts[opt_idx].name,
1064 					"enable-hw-vlan-filter"))
1065 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_FILTER;
1066 
1067 			if (!strcmp(lgopts[opt_idx].name,
1068 					"enable-hw-vlan-strip"))
1069 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
1070 
1071 			if (!strcmp(lgopts[opt_idx].name,
1072 					"enable-hw-vlan-extend"))
1073 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_EXTEND;
1074 
1075 			if (!strcmp(lgopts[opt_idx].name,
1076 					"enable-hw-qinq-strip"))
1077 				rx_offloads |= RTE_ETH_RX_OFFLOAD_QINQ_STRIP;
1078 
1079 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
1080 				rx_drop_en = 1;
1081 
1082 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
1083 				rss_hf = 0;
1084 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
1085 				if (!strcmp(optarg, "paired"))
1086 					port_topology = PORT_TOPOLOGY_PAIRED;
1087 				else if (!strcmp(optarg, "chained"))
1088 					port_topology = PORT_TOPOLOGY_CHAINED;
1089 				else if (!strcmp(optarg, "loop"))
1090 					port_topology = PORT_TOPOLOGY_LOOP;
1091 				else
1092 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
1093 						 " must be: paired, chained or loop\n",
1094 						 optarg);
1095 			}
1096 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
1097 				set_pkt_forwarding_mode(optarg);
1098 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
1099 				rss_hf = RTE_ETH_RSS_IP;
1100 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
1101 				rss_hf = RTE_ETH_RSS_UDP;
1102 			if (!strcmp(lgopts[opt_idx].name, "rss-level-inner"))
1103 				rss_hf |= RTE_ETH_RSS_LEVEL_INNERMOST;
1104 			if (!strcmp(lgopts[opt_idx].name, "rss-level-outer"))
1105 				rss_hf |= RTE_ETH_RSS_LEVEL_OUTERMOST;
1106 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
1107 				n = atoi(optarg);
1108 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
1109 					nb_rxq = (queueid_t) n;
1110 				else
1111 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
1112 						  " >= 0 && <= %u\n", n,
1113 						  get_allowed_max_nb_rxq(&pid));
1114 			}
1115 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
1116 				n = atoi(optarg);
1117 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
1118 					nb_txq = (queueid_t) n;
1119 				else
1120 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1121 						  " >= 0 && <= %u\n", n,
1122 						  get_allowed_max_nb_txq(&pid));
1123 			}
1124 			if (!strcmp(lgopts[opt_idx].name, "hairpinq")) {
1125 				n = atoi(optarg);
1126 				if (n >= 0 &&
1127 				    check_nb_hairpinq((queueid_t)n) == 0)
1128 					nb_hairpinq = (queueid_t) n;
1129 				else
1130 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1131 						  " >= 0 && <= %u\n", n,
1132 						  get_allowed_max_nb_hairpinq
1133 						  (&pid));
1134 				if ((n + nb_txq) < 0 ||
1135 				    check_nb_txq((queueid_t)(n + nb_txq)) != 0)
1136 					rte_exit(EXIT_FAILURE, "txq + hairpinq "
1137 						 "%d invalid - must be"
1138 						  " >= 0 && <= %u\n",
1139 						  n + nb_txq,
1140 						  get_allowed_max_nb_txq(&pid));
1141 				if ((n + nb_rxq) < 0 ||
1142 				    check_nb_rxq((queueid_t)(n + nb_rxq)) != 0)
1143 					rte_exit(EXIT_FAILURE, "rxq + hairpinq "
1144 						 "%d invalid - must be"
1145 						  " >= 0 && <= %u\n",
1146 						  n + nb_rxq,
1147 						  get_allowed_max_nb_rxq(&pid));
1148 			}
1149 			if (!nb_rxq && !nb_txq) {
1150 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
1151 						"be non-zero\n");
1152 			}
1153 			if (!strcmp(lgopts[opt_idx].name, "hairpin-mode")) {
1154 				char *end = NULL;
1155 				unsigned int n;
1156 
1157 				errno = 0;
1158 				n = strtoul(optarg, &end, 0);
1159 				if (errno != 0 || end == optarg)
1160 					rte_exit(EXIT_FAILURE, "hairpin mode invalid\n");
1161 				else
1162 					hairpin_mode = (uint16_t)n;
1163 			}
1164 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
1165 				n = atoi(optarg);
1166 				if (n == 0) {
1167 					/* A burst size of zero means that the
1168 					 * PMD should be queried for
1169 					 * recommended Rx burst size. Since
1170 					 * testpmd uses a single size for all
1171 					 * ports, port 0 is queried for the
1172 					 * value, on the assumption that all
1173 					 * ports are of the same NIC model.
1174 					 */
1175 					ret = eth_dev_info_get_print_err(
1176 								0,
1177 								&dev_info);
1178 					if (ret != 0)
1179 						return;
1180 
1181 					rec_nb_pkts = dev_info
1182 						.default_rxportconf.burst_size;
1183 
1184 					if (rec_nb_pkts == 0)
1185 						rte_exit(EXIT_FAILURE,
1186 							"PMD does not recommend a burst size. "
1187 							"Provided value must be between "
1188 							"1 and %d\n", MAX_PKT_BURST);
1189 					else if (rec_nb_pkts > MAX_PKT_BURST)
1190 						rte_exit(EXIT_FAILURE,
1191 							"PMD recommended burst size of %d"
1192 							" exceeds maximum value of %d\n",
1193 							rec_nb_pkts, MAX_PKT_BURST);
1194 					printf("Using PMD-provided burst value of %d\n",
1195 						rec_nb_pkts);
1196 					nb_pkt_per_burst = rec_nb_pkts;
1197 				} else if (n > MAX_PKT_BURST)
1198 					rte_exit(EXIT_FAILURE,
1199 						"burst must be between1 and %d\n",
1200 						MAX_PKT_BURST);
1201 				else
1202 					nb_pkt_per_burst = (uint16_t) n;
1203 			}
1204 			if (!strcmp(lgopts[opt_idx].name, "flowgen-clones")) {
1205 				n = atoi(optarg);
1206 				if (n >= 0)
1207 					nb_pkt_flowgen_clones = (uint16_t) n;
1208 				else
1209 					rte_exit(EXIT_FAILURE,
1210 						 "clones must be >= 0 and <= current burst\n");
1211 			}
1212 			if (!strcmp(lgopts[opt_idx].name, "flowgen-flows")) {
1213 				n = atoi(optarg);
1214 				if (n > 0)
1215 					nb_flows_flowgen = (int) n;
1216 				else
1217 					rte_exit(EXIT_FAILURE,
1218 						 "flows must be >= 1\n");
1219 			}
1220 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1221 				n = atoi(optarg);
1222 				if ((n >= 0) &&
1223 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1224 					mb_mempool_cache = (uint16_t) n;
1225 				else
1226 					rte_exit(EXIT_FAILURE,
1227 						 "mbcache must be >= 0 and <= %d\n",
1228 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1229 			}
1230 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1231 				n = atoi(optarg);
1232 				if (n >= 0)
1233 					tx_free_thresh = (int16_t)n;
1234 				else
1235 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1236 			}
1237 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1238 				n = atoi(optarg);
1239 				if (n >= 0)
1240 					tx_rs_thresh = (int16_t)n;
1241 				else
1242 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1243 			}
1244 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1245 				n = atoi(optarg);
1246 				if (n > 0) {
1247 					if (rx_free_thresh >= n)
1248 						rte_exit(EXIT_FAILURE,
1249 							 "rxd must be > "
1250 							 "rx_free_thresh(%d)\n",
1251 							 (int)rx_free_thresh);
1252 					else
1253 						nb_rxd = (uint16_t) n;
1254 				} else
1255 					rte_exit(EXIT_FAILURE,
1256 						 "rxd(%d) invalid - must be > 0\n",
1257 						 n);
1258 			}
1259 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1260 				n = atoi(optarg);
1261 				if (n > 0)
1262 					nb_txd = (uint16_t) n;
1263 				else
1264 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1265 			}
1266 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1267 				n = atoi(optarg);
1268 				if (n >= 0)
1269 					tx_pthresh = (int8_t)n;
1270 				else
1271 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1272 			}
1273 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1274 				n = atoi(optarg);
1275 				if (n >= 0)
1276 					tx_hthresh = (int8_t)n;
1277 				else
1278 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1279 			}
1280 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1281 				n = atoi(optarg);
1282 				if (n >= 0)
1283 					tx_wthresh = (int8_t)n;
1284 				else
1285 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1286 			}
1287 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1288 				n = atoi(optarg);
1289 				if (n >= 0)
1290 					rx_pthresh = (int8_t)n;
1291 				else
1292 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1293 			}
1294 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1295 				n = atoi(optarg);
1296 				if (n >= 0)
1297 					rx_hthresh = (int8_t)n;
1298 				else
1299 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1300 			}
1301 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1302 				n = atoi(optarg);
1303 				if (n >= 0)
1304 					rx_wthresh = (int8_t)n;
1305 				else
1306 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1307 			}
1308 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1309 				n = atoi(optarg);
1310 				if (n >= 0)
1311 					rx_free_thresh = (int16_t)n;
1312 				else
1313 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1314 			}
1315 			if (!strcmp(lgopts[opt_idx].name, "rxoffs")) {
1316 				unsigned int seg_off[MAX_SEGS_BUFFER_SPLIT];
1317 				unsigned int nb_offs;
1318 
1319 				nb_offs = parse_item_list
1320 						(optarg, "rxpkt offsets",
1321 						 MAX_SEGS_BUFFER_SPLIT,
1322 						 seg_off, 0);
1323 				if (nb_offs > 0)
1324 					set_rx_pkt_offsets(seg_off, nb_offs);
1325 				else
1326 					rte_exit(EXIT_FAILURE, "bad rxoffs\n");
1327 			}
1328 			if (!strcmp(lgopts[opt_idx].name, "rxpkts")) {
1329 				unsigned int seg_len[MAX_SEGS_BUFFER_SPLIT];
1330 				unsigned int nb_segs;
1331 
1332 				nb_segs = parse_item_list
1333 						(optarg, "rxpkt segments",
1334 						 MAX_SEGS_BUFFER_SPLIT,
1335 						 seg_len, 0);
1336 				if (nb_segs > 0)
1337 					set_rx_pkt_segments(seg_len, nb_segs);
1338 				else
1339 					rte_exit(EXIT_FAILURE, "bad rxpkts\n");
1340 			}
1341 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1342 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1343 				unsigned int nb_segs;
1344 
1345 				nb_segs = parse_item_list(optarg, "txpkt segments",
1346 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1347 				if (nb_segs > 0)
1348 					set_tx_pkt_segments(seg_lengths, nb_segs);
1349 				else
1350 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1351 			}
1352 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1353 				txonly_multi_flow = 1;
1354 			if (!strcmp(lgopts[opt_idx].name, "rxq-share")) {
1355 				if (optarg == NULL) {
1356 					rxq_share = UINT32_MAX;
1357 				} else {
1358 					n = atoi(optarg);
1359 					if (n >= 0)
1360 						rxq_share = (uint32_t)n;
1361 					else
1362 						rte_exit(EXIT_FAILURE, "rxq-share must be >= 0\n");
1363 				}
1364 			}
1365 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1366 				no_flush_rx = 1;
1367 			if (!strcmp(lgopts[opt_idx].name, "eth-link-speed")) {
1368 				n = atoi(optarg);
1369 				if (n >= 0 && parse_link_speed(n) > 0)
1370 					eth_link_speed = parse_link_speed(n);
1371 			}
1372 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1373 				no_link_check = 1;
1374 			if (!strcmp(lgopts[opt_idx].name, "disable-device-start"))
1375 				no_device_start = 1;
1376 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1377 				lsc_interrupt = 0;
1378 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1379 				rmv_interrupt = 0;
1380 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1381 				flow_isolate_all = 1;
1382 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1383 				char *end = NULL;
1384 				n = strtoull(optarg, &end, 16);
1385 				if (n >= 0)
1386 					tx_offloads = (uint64_t)n;
1387 				else
1388 					rte_exit(EXIT_FAILURE,
1389 						 "tx-offloads must be >= 0\n");
1390 			}
1391 
1392 			if (!strcmp(lgopts[opt_idx].name, "rx-offloads")) {
1393 				char *end = NULL;
1394 				n = strtoull(optarg, &end, 16);
1395 				if (n >= 0)
1396 					rx_offloads = (uint64_t)n;
1397 				else
1398 					rte_exit(EXIT_FAILURE,
1399 						 "rx-offloads must be >= 0\n");
1400 			}
1401 
1402 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1403 				n = atoi(optarg);
1404 				if (n >= 0)
1405 					vxlan_gpe_udp_port = (uint16_t)n;
1406 				else
1407 					rte_exit(EXIT_FAILURE,
1408 						 "vxlan-gpe-port must be >= 0\n");
1409 			}
1410 			if (!strcmp(lgopts[opt_idx].name,
1411 				    "geneve-parsed-port")) {
1412 				n = atoi(optarg);
1413 				if (n >= 0)
1414 					geneve_udp_port = (uint16_t)n;
1415 				else
1416 					rte_exit(EXIT_FAILURE,
1417 						 "geneve-parsed-port must be >= 0\n");
1418 			}
1419 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1420 				if (parse_event_printing_config(optarg, 1)) {
1421 					rte_exit(EXIT_FAILURE,
1422 						 "invalid print-event argument\n");
1423 				}
1424 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1425 				if (parse_event_printing_config(optarg, 0)) {
1426 					rte_exit(EXIT_FAILURE,
1427 						 "invalid mask-event argument\n");
1428 				}
1429 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1430 				hot_plug = 1;
1431 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1432 				do_mlockall = 1;
1433 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1434 				do_mlockall = 0;
1435 			if (!strcmp(lgopts[opt_idx].name,
1436 				    "noisy-tx-sw-buffer-size")) {
1437 				n = atoi(optarg);
1438 				if (n >= 0)
1439 					noisy_tx_sw_bufsz = n;
1440 				else
1441 					rte_exit(EXIT_FAILURE,
1442 						"noisy-tx-sw-buffer-size must be >= 0\n");
1443 			}
1444 			if (!strcmp(lgopts[opt_idx].name,
1445 				    "noisy-tx-sw-buffer-flushtime")) {
1446 				n = atoi(optarg);
1447 				if (n >= 0)
1448 					noisy_tx_sw_buf_flush_time = n;
1449 				else
1450 					rte_exit(EXIT_FAILURE,
1451 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1452 			}
1453 			if (!strcmp(lgopts[opt_idx].name,
1454 				    "noisy-lkup-memory")) {
1455 				n = atoi(optarg);
1456 				if (n >= 0)
1457 					noisy_lkup_mem_sz = n;
1458 				else
1459 					rte_exit(EXIT_FAILURE,
1460 						 "noisy-lkup-memory must be >= 0\n");
1461 			}
1462 			if (!strcmp(lgopts[opt_idx].name,
1463 				    "noisy-lkup-num-writes")) {
1464 				n = atoi(optarg);
1465 				if (n >= 0)
1466 					noisy_lkup_num_writes = n;
1467 				else
1468 					rte_exit(EXIT_FAILURE,
1469 						 "noisy-lkup-num-writes must be >= 0\n");
1470 			}
1471 			if (!strcmp(lgopts[opt_idx].name,
1472 				    "noisy-lkup-num-reads")) {
1473 				n = atoi(optarg);
1474 				if (n >= 0)
1475 					noisy_lkup_num_reads = n;
1476 				else
1477 					rte_exit(EXIT_FAILURE,
1478 						 "noisy-lkup-num-reads must be >= 0\n");
1479 			}
1480 			if (!strcmp(lgopts[opt_idx].name,
1481 				    "noisy-lkup-num-reads-writes")) {
1482 				n = atoi(optarg);
1483 				if (n >= 0)
1484 					noisy_lkup_num_reads_writes = n;
1485 				else
1486 					rte_exit(EXIT_FAILURE,
1487 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1488 			}
1489 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1490 				mempool_flags = RTE_MEMPOOL_F_NO_IOVA_CONTIG;
1491 
1492 			if (!strcmp(lgopts[opt_idx].name, "rx-mq-mode")) {
1493 				char *end = NULL;
1494 				n = strtoul(optarg, &end, 16);
1495 				if (n >= 0 && n <= RTE_ETH_MQ_RX_VMDQ_DCB_RSS)
1496 					rx_mq_mode = (enum rte_eth_rx_mq_mode)n;
1497 				else
1498 					rte_exit(EXIT_FAILURE,
1499 						 "rx-mq-mode must be >= 0 and <= %d\n",
1500 						 RTE_ETH_MQ_RX_VMDQ_DCB_RSS);
1501 			}
1502 			if (!strcmp(lgopts[opt_idx].name, "record-core-cycles"))
1503 				record_core_cycles = 1;
1504 			if (!strcmp(lgopts[opt_idx].name, "record-burst-stats"))
1505 				record_burst_stats = 1;
1506 			if (!strcmp(lgopts[opt_idx].name, PARAM_NUM_PROCS))
1507 				num_procs = atoi(optarg);
1508 			if (!strcmp(lgopts[opt_idx].name, PARAM_PROC_ID))
1509 				proc_id = atoi(optarg);
1510 			break;
1511 		case 'h':
1512 			usage(argv[0]);
1513 			exit(EXIT_SUCCESS);
1514 			break;
1515 		default:
1516 			usage(argv[0]);
1517 			fprintf(stderr, "Invalid option: %s\n", argv[optind]);
1518 			rte_exit(EXIT_FAILURE,
1519 				 "Command line is incomplete or incorrect\n");
1520 			break;
1521 		}
1522 	}
1523 
1524 	if (optind != argc) {
1525 		usage(argv[0]);
1526 		fprintf(stderr, "Invalid parameter: %s\n", argv[optind]);
1527 		rte_exit(EXIT_FAILURE, "Command line is incorrect\n");
1528 	}
1529 
1530 	if (proc_id >= (int)num_procs)
1531 		rte_exit(EXIT_FAILURE,
1532 			 "The multi-process option '%s(%d)' should be less than '%s(%u)'\n",
1533 			 PARAM_PROC_ID, proc_id,
1534 			 PARAM_NUM_PROCS, num_procs);
1535 
1536 	/* Set offload configuration from command line parameters. */
1537 	rx_mode.offloads = rx_offloads;
1538 	tx_mode.offloads = tx_offloads;
1539 
1540 	if (mempool_flags & RTE_MEMPOOL_F_NO_IOVA_CONTIG &&
1541 	    mp_alloc_type != MP_ALLOC_ANON) {
1542 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1543 				  "mp-alloc=anon. mempool no-iova-contig is "
1544 				  "ignored\n");
1545 		mempool_flags = 0;
1546 	}
1547 }
1548